Leena Peltonen

Common variants conferring risk of schizophrenia (2009)

Stefansson, Hreinn, Ophoff, Roel A, Steinberg, Stacy, Andreassen, Ole A, Cichon, Sven, Rujescu, Dan, ...

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Common variants conferring risk of schizophrenia. (2009)

Stefansson, Hreinn, Ophoff, Roel A, Steinberg, Stacy, Andreassen, Ole A, Cichon, Sven, Rujescu, Dan, ...

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Worldwide patterns of haplotype diversity at 9p21.3, a locus associated with type 2 diabetes and coronary heart disease (2009)

Silander, Kaisa, Tang, Hua, Myles, Sean, Jakkula, Eveliina, Timpson, Nicholas J, Cavalli-Sforza, Luigi, ...

Abstract A 100 kb region on 9p21.3 harbors two major disease susceptibility loci: one for type 2 diabetes (T2D) and one for coronary heart disease (CHD). The single nucleotide polymorphisms (SNPs)...

Disruption of the neurexin 1 gene is associated with schizophrenia (2009)

Rujescu, Dan, Ingason, Andres, Cichon, Sven, Pietiläinen, Olli P H, Barnes, Michael R, Toulopoulou, Timothea, ...

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Genome-wide association analysis of metabolic traits in a birth cohort from a founder population (2009)

Sabatti, Chiara, Service, Susan K., Hartikainen, Anna-Liisa, Pouta, Anneli, Ripatti, Samuli, Brodsky, Jae, ...

Genome-wide association studies (GWAS) of longitudinal birth cohorts enable joint investigation of environmental and genetic influences on complex traits. We report GWAS results for nine quantitative...

Use of a genetic isolate to identify rare disease variants: C7 on 5p associated with MS (2009)

Kallio, Suvi P., Jakkula, Eveliina, Purcell, Shaun, Suvela, Minna, Koivisto, Keijo, Tienari, Pentti J., ...

Large case–control genome-wide association studies primarily expose common variants contributing to disease pathogenesis with modest effects. Thus, alternative strategies are needed to tackle rare,...

Disruption of the neurexin 1 gene is associated with schizophrenia (2009)

Rujescu, Dan, Ingason, Andres, Cichon, Sven, Pietiläinen, Olli P.H., Barnes, Michael R., Toulopoulou, Timothea, ...

Deletions within the neurexin 1 gene (NRXN1; 2p16.3) are associated with autism and have also been reported in two families with schizophrenia. We examined NRXN1, and the closely related NRXN2 and...

Linkage and linkage disequilibrium scan for autism loci in an extended pedigree from Finland (2009)

Kilpinen, Helena, Ylisaukko-oja, Tero, Rehnström, Karola, Gaál, Emilia, Turunen, Joni A., Kempas, Elli, ...

Population isolates, such as Finland, have proved beneficial in mapping rare causative genetic variants due to a limited number of founders resulting in reduced genetic heterogeneity and extensive...

Geographical structure and differential natural selection among North European populations (2009)

McEvoy, Brian P., Montgomery, Grant W., McRae, Allan F., Ripatti, Samuli, Perola, Markus, Spector, Tim D., ...

Population structure can provide novel insight into the human past, and recognizing and correcting for such stratification is a practical concern in gene mapping by many association methodologies. We...

Association of serum cotinine level with a cluster of three nicotinic acetylcholine receptor genes (CHRNA3/CHRNA5/CHRNB4) on chromosome 15 (2009)

Keskitalo, Kaisu, Broms, Ulla, Heliövaara, Markku, Ripatti, Samuli, Surakka, Ida, Perola, Markus, ...

A cluster of three nicotinic acetylcholine receptor genes on chromosome 15 (CHRNA5/CHRNA3/CHRNB4) has been shown to be associated with nicotine dependence and smoking quantity. The aim of this study...

The role of the CD58 locus in multiple sclerosis (2009)

Baecher-Allan, Clare, Maier, Lisa M, Arthur, Ariel T, Ottoboni, Linda, Barcellos, Lisa, ...

Multiple sclerosis (MS) is an inflammatory disease of the central nervous system associated with demyelination and axonal loss. A whole genome association scan suggested that allelic variants in the...

Large recurrent microdeletions associated with schizophrenia (2008)

Stefansson, Hreinn, Rujescu, Dan, Cichon, Sven, Pietiläinen, Olli P H, Ingason, Andres, Steinberg, Stacy, ...

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Isolated populations and complex disease gene identification (2008)

Kristiansson, Kati, Naukkarinen, Jussi, Peltonen, Leena

Abstract The utility of genetically isolated populations (population isolates) in the mapping and identification of genes is not only limited to the study of rare diseases; isolated populations also...

Brain gene expression profiles of Cln1and Cln5deficient mice unravels common molecular pathways underlying neuronal degeneration in NCL diseases (2008)

Von Schantz, Carina, Saharinen, Juha, Kopra, Outi, Cooper, Jonathan D, Gentile, Massimiliano, Hovatta, Iiris, ...

Abstract Background The neuronal ceroid lipofuscinoses (NCL) are a group of children's inherited neurodegenerative disorders, characterized by blindness, early dementia and pronounced cortical...

Global Transcript Profiles of Fat in Monozygotic Twins Discordant for BMI: Pathways behind Acquired Obesity (2008)

Kirsi H. Pietiläinen, Jussi Naukkarinen, Aila Rissanen, Juha Saharinen, Pekka Ellonen, Heli Keränen, ...

BackgroundThe acquired component of complex traits is difficult to dissect in humans. Obesity represents such a trait, in which the metabolic and molecular consequences emerge from complex...

Prevalence of lactase persistence and the performance of a new non invasive genetic test in adult patients (2008)

Dore, Maria Pina, Pedroni, Antonietta, Peltonen, Leena, Enattah, Nabil Satri, Tadeu, Vincenza, Delitala, Giuseppe, ...

Lactose malabsorption is a common problem in humans. Although not in all subjects lactose intake might cause diarrhea, abdominal pain, and flatulence limiting consumption of dairy products. The...

A high-density association screen of 155 ion transport genes for involvement with common migraine (2008)

Nyholt, Dale R., LaForge, K. Steven, Kallela, Mikko, Alakurtti, Kirsi, Anttila, Verneri, Färkkilä, Markus, ...

The clinical overlap between monogenic Familial Hemiplegic Migraine (FHM) and common migraine subtypes, and the fact that all three FHM genes are involved in the transport of ions, suggest that ion...

Biobanking for Europe (2008)

Yuille, Martin, Van Ommen, Gert-Jan, Bréchot, Christian, Cambon-Thomsen, Anne, Dagher, Georges, Landegren, Ulf, ...

Biobanks are well-organized resources comprising biological samples and associated information that are accessible to scientific investigation. Across Europe, millions of samples with related data...

Finding disease candidate genes by liquid association (2007)

Li, Ker-Chau, Palotie, Aarno, Yuan, Shinsheng, Bronnikov, Denis, Chen, Daniel, Wei, Xuelian, ...

Abstract A novel approach to finding candidate genes by using gene expression data through liquid association is developed and used to identify multiple sclerosis susceptibility candidate genes.

Association of distinct allelic haplotypes of DISC1 with psychotic and bipolar spectrum disorders and with underlying cognitive impairments (2007)

Palo, Outi M., Antila, Mervi, Silander, Kaisa, Hennah, William, Kilpinen, Helena, Soronen, Pia, ...

Bipolar disorder (BPD) and schizophrenia (SCZ) have at least a partially convergent aetiology and thus may share genetic susceptibility loci. Multiple lines of evidence emphasize the role of...

Combined Effects of Thrombosis Pathway Gene Variants Predict Cardiovascular Events (2007)

Kirsi Auro, Mervi Alanne, Kati Kristiansson, Kaisa Silander, Kari Kuulasmaa, Veikko Salomaa, ...

The genetic background of complex diseases is proposed to consist of several low-penetrance risk loci. Addressing this complexity likely requires both large sample size and simultaneous analysis of...

Combined Effects of Thrombosis Pathway Gene Variants Predict Cardiovascular Events (2007)

Kirsi Auro, Mervi Alanne, Kati Kristiansson, Kaisa Silander, Kari Kuulasmaa, Veikko Salomaa, ...

The genetic background of complex diseases is proposed to consist of several low-penetrance risk loci. Addressing this complexity likely requires both large sample size and simultaneous analysis of...

Combined Genome Scans for Body Stature in 6,602 European Twins: Evidence for Common Caucasian Loci (2007)

Markus Perola, Sampo Sammalisto, Tero Hiekkalinna, Nick G. Martin, Peter M. Visscher, Grant W. Montgomery, ...

Twin cohorts provide a unique advantage for investigations of the role of genetics and environment in the etiology of variation in common complex traits by reducing the variance due to environment,...

Combined genome scans for body stature in 6602 European twins: evidence for common Caucasian loci (2007)

Markus Perola, Sampo Sammalisto, Tero Hiekkalinna, Nick Martin, Peter M. Visscher, Grant W. Montgomery, ...

Twin cohorts provide a unique advantage for investigations of the role of genetics and environment in the etiology of variation in common complex traits by reducing the variance due to environmental,...

Families with the risk allele of DISC1 reveal a link between schizophrenia and another component of the same molecular pathway, NDE1 (2007)

Hennah, William, Tomppo, Liisa, Hiekkalinna, Tero, Palo, Outi M., Kilpinen, Helena, Ekelund, Jesper, ...

We have previously reported a robust association between an allelic haplotype of ‘Disrupted in Schizophrenia 1’ (DISC1) and schizophrenia in a nationwide collection of Finnish schizophrenia...

Genetics of healthy aging in europe (2007)

Franceschi, Claudio, Bezrukov, Vladyslav, Blanché, Hélène, Bolund, Lars, Christensen, Kaare, De Benedictis, Giovanna, ...

The aim of the 5-year European Union (EU)-Integrated Project GEnetics of Healthy Aging (GEHA), constituted by 25 partners (24 from Europe plus the Beijing Genomics Institute from China), is to...

Letter. Magnitude and distribution of linkage disequilibrium in population isolates and implications for genome-wide association studies (2006)

Service, Susan, DeYoung, Joseph, Karayiorgou, Maria, Roos, J. Louw, Pretorious, Herman, Bedoya, Gabriel, ...

The genome-wide distribution of linkage disequilibrium (LD) determines the strategy for selecting markers for association studies, but it varies between populations. We assayed LD in large samples...

Risk Alleles of USF1 Gene Predict Cardiovascular Disease of Women in Two Prospective Studies (2006)

Kati Komulainen, Mervi Alanne, Kirsi Auro, Riika Kilpikari, Päivi Pajukanta, Janna Saarela, ...

Upstream transcription factor 1 (USF1) is a ubiquitously expressed transcription factor controlling several critical genes in lipid and glucose metabolism. Of some 40 genes regulated by USF1, several...

Magnitude and distribution of linkage disequilibrium in population isolates and implications for genome-wide association studies (2006)

Service, Susan, DeYoung, Joseph, Karayiorgou, Maria, Roos, J. Louw, Pretorious, Herman, Bedoya, Gabriel, ...

The genome-wide distribution of linkage disequilibrium (LD) determines the strategy for selecting markers for association studies, but it varies between populations. We assayed LD in large samples...

Risk Alleles of USF1 -Gene Predict Cardiovascular Disease of Women in Two Prospective Studies (2006)

Kati Komulainen, Mervi Alanne, Kirsi Auro, Riika Kilpikari, Päivi Pajukanta, Janna Saarela, ...

Upstream transcription factor 1 (USF1) is a ubiquitously expressed transcription factor controlling several critical genes in lipid and glucose metabolism. Out of some 40 genes regulated by USF1,...

PRKCA and Multiple Sclerosis: Association in Two Independent Populations (2006)

Janna Saarela, Suvi P. Kallio, Daniel Chen, Alexandre Montpetit, Anne Jokiaho, Eva Choi, ...

Multiple sclerosis (MS) is a chronic disease of the central nervous system responsible for a large portion of neurological disabilities in young adults. Similar to what occurs in numerous complex...

Beyond Schizophrenia: The Role of DISC1 in Major Mental Illness (2006)

Hennah, William, Thomson, Pippa, Peltonen, Leena, Porteous, David

Schizophrenia and related disorders have a major genetic component, but despite much effort and many claims, few genes have been consistently replicated and fewer have biological support. One recent...

Cross-species analyses implicate Lipin 1 involvement in human glucose metabolism (2006)

Suviolahti, Elina, Reue, Karen, Cantor, Rita M., Phan, Jack, Gentile, Massimiliano, Naukkarinen, Jussi, ...

Recent studies in the mouse have demonstrated that variations in lipin expression levels in adipose tissue have marked effects on adipose tissue mass and insulin sensitivity. In the mouse, lipin...

Families with the Risk Allele of DISC1 Reveal a Link Between Schizophrenia and Another Component of the Same Molecular Pathway, NDE1. (2006)

Hennah, William, Tomppo, Liisa, Hiekkalinna, Tero, Palo, Outi M, Kilpinen, Helena, Ekelund, Jesper, ...

We have previously reported a robust association between an allelic haplotype of DISC1 and schizophrenia in a nationwide collection of Finnish schizophrenia families. This specific DISC1 allele was...

Genes and Schizophrenia: Beyond Schizophrenia: The Role of DISC1 in Major Mental Illness (2006)

Hennah, William, Thomson, Pippa, Peltonen, Leena, Porteous, David

Schizophrenia and related disorders have a major genetic component, but despite much effort and many claims, few genes have been consistently replicated and fewer have biological support. One recent...

USF1 and dyslipidemias: converging evidence for a functional intronic variant (2005)

Naukkarinen, Jussi, Gentile, Massimiliano, Soro-Paavonen, Aino, Saarela, Janna, Koistinen, Heikki A., Pajukanta, Päivi, ...

Upstream transcription factor 1 (USF1), the first gene associated with familial combined hyperlipidemia (FCHL), regulates numerous genes of glucose and lipid metabolism. Phenotypic overlap between...

Hydrolethalus syndrome is caused by a missense mutation in a novel gene HYLS1 (2005)

Mee, Lisa, Honkala, Heli, Kopra, Outi, Vesa, Jouni, Finnilä, Saara, Visapää, Ilona, ...

Hydrolethalus syndrome (HLS) is an autosomal recessive lethal malformation syndrome characterized by multiple developmental defects of fetus. We have earlier mapped and restricted the HLS region to a...

Infantile onset spinocerebellar ataxia is caused by recessive mutations in mitochondrial proteins Twinkle and Twinky (2005)

Nikali, Kaisu, Suomalainen, Anu, Saharinen, Juha, Kuokkanen, Mikko, Spelbrink, Johannes N., Lönnqvist, Tuula, ...

Infantile onset spinocerebellar ataxia (IOSCA) (MIM 271245) is a severe autosomal recessively inherited neurodegenerative disorder characterized by progressive atrophy of the cerebellum, brain stem...

Hydrolethalus syndrome is caused by a missense mutation in a novel gene HYLS1 (2005)

Mee, Lisa, Honkala, Heli, Kopra, Outi, Vesa, Jouni, Finnilä, Saara, Visapää, Ilona, ...

Hydrolethalus syndrome (HLS) is an autosomal recessive lethal malformation syndrome characterized by multiple developmental defects of fetus. We have earlier mapped and restricted the HLS region to a...

USF1 and Dyslipidemias: converging evidence for a functional intronic variant (2005)

Naukkarinen, Jussi, Gentile, Massimiliano, Soro-Paavonen, Aino, Saarela, Janna, Koistinen, Heikki A, Pajukanta, Päivi, ...

Upstream transcription factor 1 (USF1), the first gene associated with familial combined hyperlipidemia (FCHL), regulates numerous genes of glucose and lipid metabolism. Phenotypic overlap between...

Infantile onset spinocerebellar ataxia is caused by recessive mutations in mitochondrial proteins Twinkle and Twinky (2005)

Nikali, Kaisu, Suomalainen, Anu, Saharinen, Juha, Kuokkanen, Mikko, Spelbrink, Johannes N., Lönnqvist, Tuula, ...

Infantile onset spinocerebellar ataxia (IOSCA; MIM271245) is a severe autosomal recessively inherited neurodegenerative disorder characterized by progressive atrophy of the cerebellum, brain stem and...

Cross-Species Analyses Implicate Lipin 1 Involvement in Human Glucose Metabolism (2005)

Suviolahti, Elina, Reue, Karen, Cantor, Rita M., Phan, Jack, Gentile, Massimilliano, Naukkarinen, Jussi, ...

Recent studies in the mouse have demonstrated that variations in lipin expression levels in adipose tissue have marked effects on adipose tissue mass and insulin sensitivity. In the mouse, lipin...

Segmental duplications flank the multiple sclerosis locus on chromosome 17q. (2004)

Chen, Daniel C., Saarela, Janna, Clark, Royden A., Miettinen, Timo, Chi, Anthony, Eichler, Evan E., ...

Large chromosomal rearrangements, duplications, and inversions are relatively common in mammalian genomes. Here we report interesting features of DNA strands flanking a Multiple Sclerosis (MS)...

Search for cognitive trait components of schizophrenia reveals a locus for verbal learning and memory on 4q and for visual working memory on 2q (2004)

Paunio, Tiina, Tuulio-Henriksson, Annamari, Hiekkalinna, Tero, Perola, Markus, Varilo, Teppo, Partonen, Timo, ...

Research to identify predisposing genes for complex diseases relying solely on clinical diagnosis is probably not ideal. Here, we analysed genomewide data for 168 schizophrenia families using...

A Mouse Model for Finnish Variant Late Infantile Neuronal Ceroid Lipofuscinosis, CLN5, reveals neuropathology associated with early aging (2004)

Kopra, Outi, Vesa, Jouni, Von Schantz, Carina, Manninen, Tuula, Minye, Helena, Fabritius, Anna-Liisa, ...

Neuronal ceroid lipofuscinoses (NCL) comprise the most common group of childhood encephalopathies caused by mutations in eight genetic loci, CLN1-CLN8. Here we have developed a novel mouse model for...

Segmental Duplications Flank the Multiple Sclerosis Locus on Chromosome 17q (2004)

Chen, Daniel C., Saarela, Janna, Clark, Royden A., Miettinen, Timo, Chi, Anthony, Eichler, Evan E., ...

Large chromosomal rearrangements, duplications, and inversions are relatively common in mammalian genomes. Here we report interesting features of DNA strands flanking a Multiple Sclerosis (MS)...

Search for cognitive trait components of schizophrenia reveals a locus for verbal learning and memory on 4q and for visual working memory on 2q (2004)

Paunio, Tiina, Tuulio-Henriksson, Annamari, Hiekkalinna, Tero, Perola, Markus, Varilo, Teppo, Partonen, Timo, ...

Research to identify predisposing genes for complex diseases relying solely on clinical diagnosis is probably not ideal. Here, we analyzed genome-wide data for 168 schizophrenia families using...

Segmental Duplications Flank the Multiple Sclerosis Locus on Chromosome 17q (2004)

Chen, Daniel C., Saarela, Janna, Clark, Royden A., Miettinen, Timo, Chi, Anthony, Eichler, Evan E., ...

Large chromosomal rearrangements, duplications, and inversions are relatively common in mammalian genomes. Here we report interesting features of DNA strands flanking a Multiple Sclerosis (MS)...

A mouse model for Finnish variant late infantile neuronal ceroid lipofuscinosis, CLN5, reveals neuropathology associated with early aging (2004)

Kopra, Outi, Vesa, Jouni, Von Schantz, Carina, Manninen, Tuula, Minye, Helena, Fabritius, Anna-Liisa, ...

Neuronal ceroid lipofuscinoses (NCL) comprise the most common group of childhood encephalopathies caused by mutations in eight genetic loci, CLN1–CLN8. Here, we have developed a novel mouse model...

Search for cognitive trait components of schizophrenia reveals a locus for verbal learning and memory on 4q and for visual working memory on 2q (2004)

Paunio, Tiina, Tuulio-Henriksson, Annamari, Hiekkalinna, Tero, Perola, Markus, Varilo, Teppo, Partonen, Timo, ...

Research to identify predisposing genes for complex diseases relying solely on clinical diagnosis is probably not ideal. Here, we analysed genomewide data for 168 schizophrenia families using...

A Mouse Model for Finnish Variant Late Infantile Neuronal Ceroid Lipofuscinosis, CLN5, reveals neuropathology associated with early aging (2004)

Kopra, Outi, Vesa, Jouni, Von Schantz, Carina, Manninen, Tuula, Minye, Helena, Fabritius, Anna-Liisa, ...

Neuronal ceroid lipofuscinoses (NCL) comprise the most common group of childhood encephalopathies caused by mutations in eight genetic loci, CLN1-CLN8. Here we have developed a novel mouse model for...

Genome scan meta-analysis of schizophrenia and bipolar disorder, part II: Schizophrenia (2003)

Lewis, Cathryn M, Levinson, Douglas F, Wise, Lesley H, DeLisi, Lynn E, Straub, Richard E, Hovatta, Iiris, ...

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Evidence of susceptibility loci on 4q32 and 16p12 for bipolar disorder (2003)

Ekholm, Jenny M., Kieseppä, Tuula, Hiekkalinna, Tero, Partonen, Timo, Paunio, Tiina, Perola, Markus, ...

We performed a genome-wide scan for susceptibility loci in bipolar disorder in a study sample colleted from the isolated Finnish population, consisting of 41 families with at least two affected...

MOLECULAR DEFECT OF THE RAPADILINO SYNDROME EXPANDS THE PHENOTYPE SPECTRUM OF RECQL DISEASES (2003)

Siitonen, H. Annika, Kopra, Outi, Kääriäinen, Helena, Haravuori, Henna, Winter, Robin M., Säämänen, Anna-Marja, ...

The RECQL4 helicase gene is a member of the RECQL gene family, mutated in some Rothmund-Thomson syndrome (RTS) patients. Other members of this gene family are BLM mutated in Bloom syndrome, WRN...

Haplotype Transmission Analysis Provides Evidence of Association for DISC1 to Schizophrenia and Suggests Sex-Dependent Effects (2003)

Hennah, William, Varilo, Teppo, Kestilä, Marjo, Paunio, Tiina, Arajärvi, Ritva, Haukka, Jari, ...

We have previously reported a linkage peak on 1q42 in a Finnish schizophrenia sample. In this study we genotyped 28 single nucleotide polymorphisms (SNPs) from 1q42 covering the three candidate genes...

Haplotype transmission analysis provides evidence of association for DISC1 to schizophrenia and suggests sex-dependent effects (2003)

Hennah, William, Varilo, Teppo, Kestilä, Marjo, Paunio, Tiina, Arajärvi, Ritva, Haukka, Jari, ...

We have previously reported a linkage peak on 1q42 in a Finnish schizophrenia sample. In this study we genotyped 28 single nucleotide polymorphisms (SNPs) from 1q42 covering the three candidate genes...

Molecular defect of RAPADILINO syndrome expands the phenotype spectrum of RECQL diseases (2003)

Siitonen, H. Annika, Kopra, Outi, Kääriäinen, Helena, Haravuori, Henna, Winter, Robin M., Säämänen, Anna-Marja, ...

The RECQL4 helicase gene is a member of the RECQL gene family, mutated in some Rothmund–Thomson syndrome (RTS) patients. Other members of this gene family are BLM mutated in Bloom syndrome, WRN...

MOLECULAR DEFECT OF THE RAPADILINO SYNDROME EXPANDS THE PHENOTYPE SPECTRUM OF RECQL DISEASES (2003)

Siitonen, H. Annika, Kopra, Outi, Kääriäinen, Helena, Haravuori, Henna, Winter, Robin M., Säämänen, Anna-Marja, ...

The RECQL4 helicase gene is a member of the RECQL gene family, mutated in some Rothmund-Thomson syndrome (RTS) patients. Other members of this gene family are BLM mutated in Bloom syndrome, WRN...

Haplotype Transmission Analysis Provides Evidence of Association for DISC1 to Schizophrenia and Suggests Sex-Dependent Effects (2003)

Hennah, William, Varilo, Teppo, Kestilä, Marjo, Paunio, Tiina, Arajärvi, Ritva, Haukka, Jari, ...

We have previously reported a linkage peak on 1q42 in a Finnish schizophrenia sample. In this study we genotyped 28 single nucleotide polymorphisms (SNPs) from 1q42 covering the three candidate genes...

Systematic mutagenesis of the functional domains of AIRE reveals their role in intracellular targeting (2002)

Ramsey, Chris, Bukrinsky, Alex, Peltonen, Leena

Mutations in the human autoimmune regulator (AIRE ) gene cause a multi-systemic autoimmune syndrome that is known as autoimmune polyendocrinopathy–candidiasis–ectodermal dystrophy...

Lysosomal localization of the neuronal ceroid lipofuscinosis CLN5 protein (2002)

Isosomppi, Juha, Vesa, Jouni, Jalanko, Anu, Peltonen, Leena

The Finnish variant late infantile neuronal ceroid lipofuscinosis (vLINCL) belongs to the neuronal ceroid lipofuscinosis group of common recessively inherited neurodegenerative disorders. The...

Aire deficient mice develop multiple features of APECED phenotype and show altered immune response (2002)

Ramsey, Chris, Winqvist, Ola, Puhakka, Lea, Halonen, Maria, Moro, Aune, Kämpe, Olle, ...

Autoimmune polyendocrinopathy-candidiasis-ectodermal dystrophy (APECED) is a monogenic autosomal recessive disease caused by mutations in the AIRE gene. Here we have produced knock-out mice for the...

Fine mapping of a multiple sclerosis locus to 2.5 Mb on chromosome 17q22-q24 (2002)

Saarela, Janna, Schoenberg Fejzo, Marlena, Chen, Daniel, Finnilä, Saara, Parkkonen, Maikki, Kuokkanen, Satu, ...

Genome-wide linkage analyses performed in a Finnish study sample have identified four potential predisposing loci for multiple sclerosis (MS). Here we made an effort to restrict the wide linkage...

Chromosome 1 loci in Finnish schizophrenia families (2001)

Ekelund, Jesper, Hovatta, Iiris, Parker, Alex, Paunio, Tiina, Varilo, Teppo, Martin, Rory, ...

We have earlier reported evidence for linkage to two regions on chromosome 1q32–q42 in schizophrenia families collected for two separate studies in Finland. Here we report the results of a fine...

Molecular pathogenesis of a disease: structural consequences of aspartylglucosaminuria mutations (2001)

Saarela, Jani, Laine, Minna, Oinonen, Carita, Schantz, Carina Von, Jalanko, Anu, Rouvinen, Juha, ...

A deficiency of functional aspartylglucosaminidase (AGA) causes a lysosomal storage disease, aspartylglucosaminuria (AGU). The recessively inherited disease is enriched in the Finnish population,...

Genome-wide scan for schizophrenia in the Finnish population: evidence for a locus on chromosome 7q22 (2000)

Ekelund, Jesper, Lichtermann, Dirk, Hovatta, Iiris, Ellonen, Pekka, Suvisaari, Jaana, Terwilliger, Joseph D., ...

We report the results of a four-stage genome-wide scan in a schizophrenia study sample consisting of 134 affected sib-pairs collected in Finland. In stage I we genotyped 370 markers from the Weber 6...

Molecular genetics of the Finnishdisease heritage (1999)

Peltonen, Leena, Jalanko, Anu, Varilo, Teppo

Finland, located at the edge of the inhabitable world,is one of the best-studied genetic isolates. The characteristicfeatures of population isolates—founder effect, geneticdrift and isolation—have,...

Marfan Database (second edition): software and database for the analysis of mutations in the human (1996)

Fbn Gene, Gwenaëlle Collod-béroud, Christophe Béroud, Lesley Adès, Cheryl Black, Maureen Boxer, ...

Fibrillin is the major component of extracellular microfibrils. Mutations in the fibrillin gene on chromosome 15 (FBN1) were described at first in the heritable connective tissue disorder, Marfan...

Toward understanding the pathogenic mechanisms in gelsolin-related amyloidosis: in vitro expression reveals an abnormal gelsolin fragment (1994)

Paunlo, Tllna, Kangas, Hannele, Kalkklnen, Nisse, Haltia, Matti, Palo, Jorma, Peltonen, Leena

Gelsolln-related amyloldosls, also called familial amyloldosls, Finnish type (FAF) Is an autosomal dominantly Inherited disorder characterized by progressive polyneuropathy and corneal lattice...

Characterization of a point mutation in aspartylglucosaminidase gene: evidence for a readthrough of a translational stop codon (1994)

Peltola, Minna, Chiatayat, David, Peltonen, Leena, Jalanko, Anu

We have identified a novel aspartylglucosaminuria (AGU) mutation In the second exon of the aspartyl-glucosaminldase (AGA) gene resulting In a lysosomal storage disease In a Puerto Rican pedigree....

Quantification of tRNA3243Leu point mutation of mitochondrial DNA in MELAS patients and its effects on mitochondrial transcription (1993)

Suomalainen, Anu, Majander, Anna, Pihko, Helena, Peltonen, Leena, Syvänen, Ann-Christine

The MELAS syndrome is a mitochondrial encephalomyopathy associated with a point mutation at nucleotide 3243 of mitochondrial DNA (mtDNA). The same mutation has also been found in patients with...

Neuronal Ceroid Lipofuscinoses Are Connected at Molecular Level: Interaction of CLN5 Protein with CLN2 and CLN3

Vesa, Jouni, Chin, Mark H., Oelgeschläger, Kathrin, Isosomppi, Juha, DellAngelica, Esteban C., Jalanko, Anu, ...

Neuronal ceroid lipofuscinoses (NCLs) are neurodegenerative storage diseases characterized by mental retardation, visual failure, and brain atrophy as well as accumulation of storage material in...

The SLC6A14 gene shows evidence of association with obesity

Suviolahti, Elina, Oksanen, Laura J., Öhman, Miina, Cantor, Rita M., Ridderstråle, Martin, Tuomi, Tiinamaija, ...

In our previous genome-wide scan of Finnish nuclear families, obesity was linked to chromosome Xq24. Here we analyzed this 15-Mb region by genotyping 9 microsatellite markers and 36 single nucleotide...

Mapping ESTs by Fiber–FISH

Horelli-Kuitunen, Nina, Aaltonen, Johanna, Yaspo, Marie-Laure, Eeva, Mervi, Wessman, Maija, Peltonen, Leena, ...

A visual transcript map of six genes was constructed on the chromosome 21q22.3 by high resolution fluorescence in situ hybridization (FISH). Expressed sequence tags (ESTs) from six genes—PWP2,...

High-Resolution Physical and Genetic Mapping of the Critical Region for Meckel Syndrome and Mulibrey Nanism on Chromosome 17q22–q23

Paavola, Paulina, Avela, Kristiina, Horelli-Kuitunen, Nina, Bärlund, Maarit, Kallioniemi, Anne, Idänheimo, Niina, ...

Previously, we assigned the genes for two autosomal recessive disorders, Meckel syndrome (MKS; MIM 249000) and Mulibrey Nanism [MUL (muscle–liver–brain–eye Nanism); MIM 253250] that are...

Mouse Palmitoyl Protein Thioesterase: Gene Structure and Expression of cDNA

Salonen, Tarja, Hellsten, Elina, Horelli-Kuitunen, Nina, Peltonen, Leena, Jalanko, Anu

Palmitoyl protein thioesterase (PPT) is the defective enzyme in infantile neuronal ceroid lipofuscinosis (INCL), which is a recessively inherited, progressive neurodegenerative disorder. We present...

A System for Specific, High-throughput Genotyping by Allele-specific Primer Extension on Microarrays

Pastinen, Tomi, Raitio, Mirja, Lindroos, Katarina, Tainola, Päivi, Peltonen, Leena, Syvänen, Ann-Christine

This study describes a practical system that allows high-throughput genotyping of single nucleotide polymorphisms (SNPs) and detection of mutations by allele-specific extension on primer arrays. The...

Segmental Duplications Flank the Multiple Sclerosis Locus on Chromosome 17q

Chen, Daniel C., Saarela, Janna, Clark, Royden A., Miettinen, Timo, Chi, Anthony, Eichler, Evan E., ...

Large chromosomal rearrangements, duplications, and inversions are relatively common in mammalian genomes. Here we report interesting features of DNA strands flanking a Multiple Sclerosis (MS)...

Autoproteolytic activation of human aspartylglucosaminidase.

Saarela, Jani, Oinonen, Carita, Jalanko, Anu, Rouvinen, Juha, Peltonen, Leena

Aspartylglucosaminidase (AGA) belongs to the N-terminal nucleophile (Ntn) hydrolase superfamily characterized by an N-terminal nucleophile as the catalytic residue. Three-dimensional structures of...

Quantitative-Trait-Locus Analysis of Body-Mass Index and of Stature, by Combined Analysis of Genome Scans of Five Finnish Study Groups

Perola, Markus, Öhman, Miina, Hiekkalinna, Tero, Leppävuori, Jenni, Pajukanta, Päivi, Wessman, Maija, ...

In recent years, many genomewide screens have been performed, to identify novel loci predisposing to various complex diseases. Often, only a portion of the collected clinical data from the study...

The Spectrum of SLC17A5-Gene Mutations Resulting in Free Sialic Acid–Storage Diseases Indicates Some Genotype-Phenotype Correlation

Aula, Nina, Salomäki, Pirjo, Timonen, Ritva, Verheijen, Frans, Mancini, Grazia, Månsson, Jan-Eric, ...

Lysosomal free sialic acid–storage diseases include the allelic disorders Salla disease (SD) and infantile sialic acid–storage disease (ISSD). The defective gene, SLC17A5, coding for the...

Two Loci on Chromosomes 2 and X for Premature Coronary Heart Disease Identified in Early- and Late-Settlement Populations of Finland

Pajukanta, Päivi, Cargill, Michele, Viitanen, Laura, Nuotio, Ilpo, Kareinen, Anu, Perola, Markus, ...

Coronary heart disease (CHD) is a complex disorder constituting a major health problem in Western societies. To assess the genetic background of CHD, we performed a genomewide linkage scan in two...

Mutations in the AIRE Gene: Effects on Subcellular Location and Transactivation Function of the Autoimmune Polyendocrinopathy-Candidiasis–Ectodermal Dystrophy Protein

Björses, Petra, Halonen, Maria, Palvimo, Jorma J., Kolmer, Meelis, Aaltonen, Johanna, Ellonen, Pekka, ...

Autoimmune polyendocrinopathy-candidiasis-ectodermal dystrophy (APECED) is a monogenic autosomal disease with recessive inheritance. It is characterized by multiple autoimmune endocrinopathies,...

Assignment of a Novel Locus for Autosomal Recessive Congenital Ichthyosis to Chromosome 19p13.1-p13.2

Virolainen, Elina, Wessman, Maija, Hovatta, Iiris, Niemi, Kirsti-Maria, Ignatius, Jaakko, Kere, Juha, ...

Autosomal recessive congenital ichthyosis (ARCI) is a rare, clinically and genetically heterogeneous genodermatosis. One gene (transglutaminase 1, on 14q11) and one additional locus (on 2q33-35, with...

Genome Scan for Predisposing Loci for Distal Interphalangeal Joint Osteoarthritis: Evidence for a Locus on 2q

Leppävuori, Jenni, Kujala, Urho, Kinnunen, Jaakko, Kaprio, Jaakko, Nissilä, Martti, Heliövaara, Markku, ...

The genetic contribution to common forms of osteoarthritis (OA) is well established but poorly understood. We performed a genome scan, using 302 markers for loci predisposing to distal...

Assignment of the Locus for Hydrolethalus Syndrome to a Highly Restricted Region on 11q23-25

Visapää, Ilona, Salonen, Riitta, Varilo, Teppo, Paavola, Paulina, Peltonen, Leena

Hydrolethalus syndrome is a recessively inherited lethal malformation syndrome characterized by hydrocephaly with absent midline structures of the brain, micrognathia, polydactyly, and several other...

A Genomewide Screen for Schizophrenia Genes in an Isolated Finnish Subpopulation, Suggesting Multiple Susceptibility Loci

Hovatta, Iiris, Varilo, Teppo, Suvisaari, Jaana, Terwilliger, Joseph D., Ollikainen, Vesa, Arajärvi, Ritva, ...

Schizophrenia is a severe mental disorder affecting ∼1% of the world's population. Here, we report the results from a three-stage genomewide screen performed in a study sample from an internal...

PRKCA and Multiple Sclerosis: Association in Two Independent Populations

Saarela, Janna, Kallio, Suvi P, Chen, Daniel, Montpetit, Alexandre, Jokiaho, Anne, Choi, Eva, ...

Multiple sclerosis (MS) is a chronic disease of the central nervous system responsible for a large portion of neurological disabilities in young adults. Similar to what occurs in numerous complex...

Risk Alleles of USF1 Gene Predict Cardiovascular Disease of Women in Two Prospective Studies

Komulainen, Kati, Alanne, Mervi, Auro, Kirsi, Kilpikari, Riika, Pajukanta, Päivi, Saarela, Janna, ...

Upstream transcription factor 1 (USF1) is a ubiquitously expressed transcription factor controlling several critical genes in lipid and glucose metabolism. Of some 40 genes regulated by USF1, several...

Mutations in the Translated Region of the Lactase Gene (LCT) Underlie Congenital Lactase Deficiency

Kuokkanen, Mikko, Kokkonen, Jorma, Enattah, Nabil Sabri, Ylisaukko-oja, Tero, Komu, Hanna, Varilo, Teppo, ...

Congenital lactase deficiency (CLD) is a severe gastrointestinal disorder characterized by watery diarrhea in infants fed with breast milk or other lactose-containing formulas. We initially assigned...

Genetic heterogeneity in neuronal ceroid lipofuscinosis (NCL): Evidence that the late-infantile subtype (Jansky-Bielschowsky disease; CLN2) is not an allelic form of the juvenile or infantile subtypes

Williams, Ruth, Vesa, Jouni, Järvelä, Irma, McKay, Tristan, Mitchison, Hannah, Hellsten, Elina, ...

The neuronal ceroid lipofuscinoses (NCLs) are a group of inherited neurodegenerative disorders characterized by the accumulation of autofluorescent lipopigment in neurons and other cell types....

Marfan syndrome: No evidence for heterogeneity in different populations, and more precise mapping of the gene

Kainulainen, Katariina, Steinmann, Beat, Collins, Francis, Dietz, Harry C., Francomano, Clair A., Child, Anne, ...

Marfan syndrome is a dominantly inherited connective tissue disorder with manifestations in the cardiovascular, ocular, and skeletal systems. The diagnosis is hampered by both high variability in the...

Neuronal Ceroid Lipofuscinoses Are Connected at Molecular Level: Interaction of CLN5 Protein with CLN2 and CLN3

Vesa, Jouni, Chin, Mark H., Oelgeschläger, Kathrin, Isosomppi, Juha, DellAngelica, Esteban C., Jalanko, Anu, ...

Neuronal ceroid lipofuscinoses (NCLs) are neurodegenerative storage diseases characterized by mental retardation, visual failure, and brain atrophy as well as accumulation of storage material in...

The SLC6A14 gene shows evidence of association with obesity

Suviolahti, Elina, Oksanen, Laura J., Öhman, Miina, Cantor, Rita M., Ridderstråle, Martin, Tuomi, Tiinamaija, ...

In our previous genome-wide scan of Finnish nuclear families, obesity was linked to chromosome Xq24. Here we analyzed this 15-Mb region by genotyping 9 microsatellite markers and 36 single nucleotide...

Mapping ESTs by Fiber–FISH

Horelli-Kuitunen, Nina, Aaltonen, Johanna, Yaspo, Marie-Laure, Eeva, Mervi, Wessman, Maija, Peltonen, Leena, ...

A visual transcript map of six genes was constructed on the chromosome 21q22.3 by high resolution fluorescence in situ hybridization (FISH). Expressed sequence tags (ESTs) from six genes—PWP2,...

High-Resolution Physical and Genetic Mapping of the Critical Region for Meckel Syndrome and Mulibrey Nanism on Chromosome 17q22–q23

Paavola, Paulina, Avela, Kristiina, Horelli-Kuitunen, Nina, Bärlund, Maarit, Kallioniemi, Anne, Idänheimo, Niina, ...

Previously, we assigned the genes for two autosomal recessive disorders, Meckel syndrome (MKS; MIM 249000) and Mulibrey Nanism [MUL (muscle–liver–brain–eye Nanism); MIM 253250] that are...

Mouse Palmitoyl Protein Thioesterase: Gene Structure and Expression of cDNA

Salonen, Tarja, Hellsten, Elina, Horelli-Kuitunen, Nina, Peltonen, Leena, Jalanko, Anu

Palmitoyl protein thioesterase (PPT) is the defective enzyme in infantile neuronal ceroid lipofuscinosis (INCL), which is a recessively inherited, progressive neurodegenerative disorder. We present...

A System for Specific, High-throughput Genotyping by Allele-specific Primer Extension on Microarrays

Pastinen, Tomi, Raitio, Mirja, Lindroos, Katarina, Tainola, Päivi, Peltonen, Leena, Syvänen, Ann-Christine

This study describes a practical system that allows high-throughput genotyping of single nucleotide polymorphisms (SNPs) and detection of mutations by allele-specific extension on primer arrays. The...

A Genomewide Screen for Autism-Spectrum Disorders: Evidence for a Major Susceptibility Locus on Chromosome 3q25-27

Auranen, Mari, Vanhala, Raija, Varilo, Teppo, Ayers, Kristin, Kempas, Elli, Ylisaukko-oja, Tero, ...

To identify genetic loci for autism-spectrum disorders, we have performed a two-stage genomewide scan in 38 Finnish families. The detailed clinical examination of all family members revealed...

GRACILE Syndrome, a Lethal Metabolic Disorder with Iron Overload, Is Caused by a Point Mutation in BCS1L

Visapää, Ilona, Fellman, Vineta, Vesa, Jouni, Dasvarma, Ayan, Hutton, Jenna L., Kumar, Vijay, ...

GRACILE (growth retardation, aminoaciduria, cholestasis, iron overload, lactacidosis, and early death) syndrome is a recessively inherited lethal disease characterized by fetal growth retardation,...

RHD Maternal-Fetal Genotype Incompatibility Increases Schizophrenia Susceptibility

Palmer, Christina G. S., Turunen, Joni A., Sinsheimer, Janet S., Minassian, Sonia, Paunio, Tiina, Lönnqvist, Jouko, ...

Fetal events and obstetric complications are associated with schizophrenia. Here we report the results of a family-based candidate-gene study that assesses the role of maternal-fetal genotype...

Tibial Muscular Dystrophy Is a Titinopathy Caused by Mutations in TTN, the Gene Encoding the Giant Skeletal-Muscle Protein Titin

Hackman, Peter, Vihola, Anna, Haravuori, Henna, Marchand, Sylvie, Sarparanta, Jaakko, De Seze, Jerome, ...

Tibial muscular dystrophy (TMD) is an autosomal dominant late-onset distal myopathy linked to chromosome 2q31. The linked region includes the giant TTN gene, which encodes the central sarcomeric...

Mutations in Two Genes Encoding Different Subunits of a Receptor Signaling Complex Result in an Identical Disease Phenotype

Paloneva, Juha, Manninen, Tuula, Christman, Grant, Hovanes, Karine, Mandelin, Jami, Adolfsson, Rolf, ...

Polycystic lipomembranous osteodysplasia with sclerosing leukoencephalopathy (PLOSL), also known as “Nasu-Hakola disease,” is a globally distributed recessively inherited disease leading to death...

A Susceptibility Locus for Migraine with Aura, on Chromosome 4q24

Wessman, Maija, Kallela, Mikko, Kaunisto, Mari A., Marttila, Pia, Sobel, Eric, Hartiala, Jaana, ...

Migraine is a complex neurovascular disorder with substantial evidence supporting a genetic contribution. Prior attempts to localize susceptibility loci for common forms of migraine have not produced...

Genome Scans Provide Evidence for Low-HDL-C Loci on Chromosomes 8q23, 16q24.1-24.2, and 20q13.11 in Finnish Families

Soro, Aino, Pajukanta, Päivi, Lilja, Heidi E., Ylitalo, Kati, Hiekkalinna, Tero, Perola, Markus, ...

We performed a genomewide scan for genes that predispose to low serum HDL cholesterol (HDL-C) in 25 well-defined Finnish families that were ascertained for familial low HDL-C and premature coronary...

Segmental Duplications Flank the Multiple Sclerosis Locus on Chromosome 17q

Chen, Daniel C., Saarela, Janna, Clark, Royden A., Miettinen, Timo, Chi, Anthony, Eichler, Evan E., ...

Large chromosomal rearrangements, duplications, and inversions are relatively common in mammalian genomes. Here we report interesting features of DNA strands flanking a Multiple Sclerosis (MS)...

Combined Analysis of Genome Scans of Dutch and Finnish Families Reveals a Susceptibility Locus for High-Density Lipoprotein Cholesterol on Chromosome 16q

Pajukanta, Päivi, Allayee, Hooman, Krass, Kelly L., Kuraishy, Ali, Soro, Aino, Lilja, Heidi E., ...

Several genomewide screens have been performed to identify novel loci predisposing to unfavorable serum lipid levels and coronary heart disease (CHD). We hypothesized that the accumulating data of...

Genome Scan Meta-Analysis of Schizophrenia and Bipolar Disorder, Part II: Schizophrenia

Lewis, Cathryn M., Levinson, Douglas F., Wise, Lesley H., DeLisi, Lynn E., Straub, Richard E., Hovatta, Iiris, ...

Schizophrenia is a common disorder with high heritability and a 10-fold increase in risk to siblings of probands. Replication has been inconsistent for reports of significant genetic linkage. To...

Genome Scan Meta-Analysis of Schizophrenia and Bipolar Disorder, Part III: Bipolar Disorder

Segurado, Ricardo, Detera-Wadleigh, Sevilla D., Levinson, Douglas F., Lewis, Cathryn M., Gill, Michael, ...

Genome scans of bipolar disorder (BPD) have not produced consistent evidence for linkage. The rank-based genome scan meta-analysis (GSMA) method was applied to 18 BPD genome scan data sets in an...

Autoproteolytic activation of human aspartylglucosaminidase.

Saarela, Jani, Oinonen, Carita, Jalanko, Anu, Rouvinen, Juha, Peltonen, Leena

Aspartylglucosaminidase (AGA) belongs to the N-terminal nucleophile (Ntn) hydrolase superfamily characterized by an N-terminal nucleophile as the catalytic residue. Three-dimensional structures of...

Quantitative-Trait-Locus Analysis of Body-Mass Index and of Stature, by Combined Analysis of Genome Scans of Five Finnish Study Groups

Perola, Markus, Öhman, Miina, Hiekkalinna, Tero, Leppävuori, Jenni, Pajukanta, Päivi, Wessman, Maija, ...

In recent years, many genomewide screens have been performed, to identify novel loci predisposing to various complex diseases. Often, only a portion of the collected clinical data from the study...

The Spectrum of SLC17A5-Gene Mutations Resulting in Free Sialic Acid–Storage Diseases Indicates Some Genotype-Phenotype Correlation

Aula, Nina, Salomäki, Pirjo, Timonen, Ritva, Verheijen, Frans, Mancini, Grazia, Månsson, Jan-Eric, ...

Lysosomal free sialic acid–storage diseases include the allelic disorders Salla disease (SD) and infantile sialic acid–storage disease (ISSD). The defective gene, SLC17A5, coding for the...

Two Loci on Chromosomes 2 and X for Premature Coronary Heart Disease Identified in Early- and Late-Settlement Populations of Finland

Pajukanta, Päivi, Cargill, Michele, Viitanen, Laura, Nuotio, Ilpo, Kareinen, Anu, Perola, Markus, ...

Coronary heart disease (CHD) is a complex disorder constituting a major health problem in Western societies. To assess the genetic background of CHD, we performed a genomewide linkage scan in two...

Mutations in the AIRE Gene: Effects on Subcellular Location and Transactivation Function of the Autoimmune Polyendocrinopathy-Candidiasis–Ectodermal Dystrophy Protein

Björses, Petra, Halonen, Maria, Palvimo, Jorma J., Kolmer, Meelis, Aaltonen, Johanna, Ellonen, Pekka, ...

Autoimmune polyendocrinopathy-candidiasis-ectodermal dystrophy (APECED) is a monogenic autosomal disease with recessive inheritance. It is characterized by multiple autoimmune endocrinopathies,...

Assignment of a Novel Locus for Autosomal Recessive Congenital Ichthyosis to Chromosome 19p13.1-p13.2

Virolainen, Elina, Wessman, Maija, Hovatta, Iiris, Niemi, Kirsti-Maria, Ignatius, Jaakko, Kere, Juha, ...

Autosomal recessive congenital ichthyosis (ARCI) is a rare, clinically and genetically heterogeneous genodermatosis. One gene (transglutaminase 1, on 14q11) and one additional locus (on 2q33-35, with...

Genome Scan for Predisposing Loci for Distal Interphalangeal Joint Osteoarthritis: Evidence for a Locus on 2q

Leppävuori, Jenni, Kujala, Urho, Kinnunen, Jaakko, Kaprio, Jaakko, Nissilä, Martti, Heliövaara, Markku, ...

The genetic contribution to common forms of osteoarthritis (OA) is well established but poorly understood. We performed a genome scan, using 302 markers for loci predisposing to distal...

Assignment of the Locus for Hydrolethalus Syndrome to a Highly Restricted Region on 11q23-25

Visapää, Ilona, Salonen, Riitta, Varilo, Teppo, Paavola, Paulina, Peltonen, Leena

Hydrolethalus syndrome is a recessively inherited lethal malformation syndrome characterized by hydrocephaly with absent midline structures of the brain, micrognathia, polydactyly, and several other...

A Genomewide Screen for Schizophrenia Genes in an Isolated Finnish Subpopulation, Suggesting Multiple Susceptibility Loci

Hovatta, Iiris, Varilo, Teppo, Suvisaari, Jaana, Terwilliger, Joseph D., Ollikainen, Vesa, Arajärvi, Ritva, ...

Schizophrenia is a severe mental disorder affecting ∼1% of the world's population. Here, we report the results from a three-stage genomewide screen performed in a study sample from an internal...

Mutations in the Translated Region of the Lactase Gene (LCT) Underlie Congenital Lactase Deficiency

Kuokkanen, Mikko, Kokkonen, Jorma, Enattah, Nabil Sabri, Ylisaukko-oja, Tero, Komu, Hanna, Varilo, Teppo, ...

Congenital lactase deficiency (CLD) is a severe gastrointestinal disorder characterized by watery diarrhea in infants fed with breast milk or other lactose-containing formulas. We initially assigned...

PRKCA and Multiple Sclerosis: Association in Two Independent Populations

Saarela, Janna, Kallio, Suvi P, Chen, Daniel, Montpetit, Alexandre, Jokiaho, Anne, Choi, Eva, ...

Multiple sclerosis (MS) is a chronic disease of the central nervous system responsible for a large portion of neurological disabilities in young adults. Similar to what occurs in numerous complex...

Risk Alleles of USF1 Gene Predict Cardiovascular Disease of Women in Two Prospective Studies

Komulainen, Kati, Alanne, Mervi, Auro, Kirsi, Kilpikari, Riika, Pajukanta, Päivi, Saarela, Janna, ...

Upstream transcription factor 1 (USF1) is a ubiquitously expressed transcription factor controlling several critical genes in lipid and glucose metabolism. Of some 40 genes regulated by USF1, several...

Genetic heterogeneity in neuronal ceroid lipofuscinosis (NCL): Evidence that the late-infantile subtype (Jansky-Bielschowsky disease; CLN2) is not an allelic form of the juvenile or infantile subtypes

Williams, Ruth, Vesa, Jouni, Järvelä, Irma, McKay, Tristan, Mitchison, Hannah, Hellsten, Elina, ...

The neuronal ceroid lipofuscinoses (NCLs) are a group of inherited neurodegenerative disorders characterized by the accumulation of autofluorescent lipopigment in neurons and other cell types....

Marfan syndrome: No evidence for heterogeneity in different populations, and more precise mapping of the gene

Kainulainen, Katariina, Steinmann, Beat, Collins, Francis, Dietz, Harry C., Francomano, Clair A., Child, Anne, ...

Marfan syndrome is a dominantly inherited connective tissue disorder with manifestations in the cardiovascular, ocular, and skeletal systems. The diagnosis is hampered by both high variability in the...

Consequences of synovectomy of the knee joint: clinical, histopathological, and enzymatic changes and changes in 2 components of complement

Myllylä, Timo, Peltonen, Leena, Puranen, Jaakko, Korhonen, L. Kalevi

The state of 36 knee joints of 32 rheumatic patients was evaluated after surgical synovectomy, the follow-up period varying from 2 to 39 months. Synovitis was suspected by arthroscopy in 67% and...

HLA-B Maternal-Fetal Genotype Matching Increases Risk of Schizophrenia

Palmer, Christina G. S., Hsieh, Hsin-Ju, Reed, Elaine F., Lonnqvist, Jouko, Peltonen, Leena, Woodward, J. Arthur, ...

Schizophrenia and human leukocyte antigen (HLA) matching between couples or between mothers and offspring have independently been associated with prenatal/obstetric complications, including...

Combined Genome Scans for Body Stature in 6,602 European Twins: Evidence for Common Caucasian Loci

Perola, Markus, Sammalisto, Sampo, Hiekkalinna, Tero, Martin, Nick G, Visscher, Peter M, Montgomery, Grant W, ...

Twin cohorts provide a unique advantage for investigations of the role of genetics and environment in the etiology of variation in common complex traits by reducing the variance due to environment,...

Comparison of GenFlex Tag Array and Pyrosequencing in SNP Genotyping

Chen, Daniel C., Saarela, Janna, Nuotio, Ilpo, Jokiaho, Anne, Peltonen, Leena, Palotie, Aarno

With the completion of the Human Genome Project, over 2 million sequence-verified single nucleotide polymorphisms (SNPs) have been deposited in public databases. The challenge has shifted from SNP...

Combined Effects of Thrombosis Pathway Gene Variants Predict Cardiovascular Events

Auro, Kirsi, Alanne, Mervi, Kristiansson, Kati, Silander, Kaisa, Kuulasmaa, Kari, Salomaa, Veikko, ...

The genetic background of complex diseases is proposed to consist of several low-penetrance risk loci. Addressing this complexity likely requires both large sample size and simultaneous analysis of...

Genetic Linkage to Chromosome 22q12 for a Heavy-Smoking Quantitative Trait in Two Independent Samples

Saccone, Scott F., Pergadia, Michele L., Loukola, Anu, Broms, Ulla, Montgomery, Grant W., Wang, Jen C., ...

We conducted a genomewide linkage screen of a simple heavy-smoking quantitative trait, the maximum number of cigarettes smoked in a 24-h period, using two independent samples: 289 Australian and 155...

Finding disease candidate genes by liquid association

Li, Ker-Chau, Palotie, Aarno, Yuan, Shinsheng, Bronnikov, Denis, Chen, Daniel, Wei, Xuelian, ...

A novel approach to finding candidate genes by using gene-expression data has been developed and used to identify a multiple sclerosis susceptibility candidate genes.

Gene Dosage–limiting Role of Aire in Thymic Expression, Clonal Deletion, and Organ-specific Autoimmunity

Liston, Adrian, Gray, Daniel H.D., Lesage, Sylvie, Fletcher, Anne L., Wilson, Judith, Webster, Kylie E., ...

Inactivation of the autoimmune regulator (Aire) gene causes a rare recessive disorder, autoimmune polyendocrine syndrome 1 (APS1), but it is not known if Aire-dependent tolerance mechanisms are...

Promiscuous gene expression in thymic epithelial cells is regulated at multiple levels

Derbinski, Jens, Gäbler, Jana, Brors, Benedikt, Tierling, Sascha, Jonnakuty, Sunitha, Hergenhahn, Manfred, ...

The role of central tolerance induction has recently been revised after the discovery of promiscuous expression of tissue-restricted self-antigens in the thymus. The extent of tissue representation...

Global Transcript Profiles of Fat in Monozygotic Twins Discordant for BMI: Pathways behind Acquired Obesity

Pietiläinen, Kirsi H, Naukkarinen, Jussi, Rissanen, Aila, Saharinen, Juha, Ellonen, Pekka, Keränen, Heli, ...

Leena Peltonen and colleagues uncover the metabolic changes that result from obesity through an analysis of genetically identical twin pairs in which one was obese and the other was not.

DAP12/TREM2 Deficiency Results in Impaired Osteoclast Differentiation and Osteoporotic Features

Paloneva, Juha, Mandelin, Jami, Kiialainen, Anna, Böhling, Tom, Prudlo, Johannes, Hakola, Panu, ...

Polycystic lipomembranous osteodysplasia with sclerosing leukoencephalopathy (PLOSL), Nasu-Hakola disease, is a globally distributed recessively inherited disease. PLOSL is characterized by cystic...

Specific developmental disruption of disrupted-in-schizophrenia-1 function results in schizophrenia-related phenotypes in mice

Li, Weidong, Zhou, Yu, Jentsch, J. David, Brown, Robert A. M., Tian, Xiaoli, Ehninger, Dan, ...

Disrupted-in-schizophrenia 1 (DISC1) was initially discovered through a balanced translocation (1;11)(q42.1;q14.3) that results in loss of the C terminus of the DISC1 protein, a region that is...

Independent Introduction of Two Lactase-Persistence Alleles into Human Populations Reflects Different History of Adaptation to Milk Culture

Enattah, Nabil Sabri, Jensen, Tine G.K., Nielsen, Mette, Lewinski, Rikke, Kuokkanen, Mikko, Rasinpera, Heli, ...

The T−13910 variant located in the enhancer element of the lactase (LCT) gene correlates perfectly with lactase persistence (LP) in Eurasian populations whereas the variant is almost nonexistent...

Isolated populations and complex disease gene identification

Kristiansson, Kati, Naukkarinen, Jussi, Peltonen, Leena

Isolated populations can be useful for the identification of genes underlying common complex diseases.

Genes and Schizophrenia: Beyond Schizophrenia: The Role of DISC1 in Major Mental Illness

Hennah, William, Thomson, Pippa, Peltonen, Leena, Porteous, David

Schizophrenia and related disorders have a major genetic component, but despite much effort and many claims, few genes have been consistently replicated and fewer have biological support. One recent...

Genetic Determinants of Height Growth Assessed Longitudinally from Infancy to Adulthood in the Northern Finland Birth Cohort 1966

Sovio, Ulla, Bennett, Amanda J., Millwood, Iona Y., Molitor, John, O'Reilly, Paul F., Timpson, Nicholas J., ...

Recent genome-wide association (GWA) studies have identified dozens of common variants associated with adult height. However, it is unknown how these variants influence height growth during...

Consistently Replicating Locus Linked to Migraine on 10q22-q23

Anttila, Verneri, Nyholt, Dale R., Kallela, Mikko, Artto, Ville, Vepsäläinen, Salli, Jakkula, Eveliina, ...

Here, we present the results of two genome-wide scans in two diverse populations in which a consistent use of recently introduced migraine-phenotyping methods detects and replicates a locus on...

Identification of CC2D2A as a Meckel Syndrome Gene Adds an Important Piece to the Ciliopathy Puzzle

Tallila, Jonna, Jakkula, Eveliina, Peltonen, Leena, Salonen, Riitta, Kestilä, Marjo

Meckel syndrome (MKS) is a lethal malformation disorder characterized classically by encephalocele, polycystic kidneys, and polydactyly. MKS is also one of the major contributors to syndromic neural...

Genetic Structure of Europeans: A View from the North–East

Nelis, Mari, Esko, Tõnu, Mägi, Reedik, Zimprich, Fritz, Zimprich, Alexander, Toncheva, Draga, ...

Using principal component (PC) analysis, we studied the genetic constitution of 3,112 individuals from Europe as portrayed by more than 270,000 single nucleotide polymorphisms (SNPs) genotyped with...

AIRE regulates T-cell-independent B-cell responses through BAFF

Lindh, Emma, Lind, Sara M., Lindmark, Evelina, Hässler, Signe, Perheentupa, Jaakko, Peltonen, Leena, ...

Autoimmune polyendocrine syndrome type I (APS I) results in multiple endocrine organ destruction and is caused by mutations in the autoimmune regulator gene (AIRE). APS I is characterized by...

Worldwide patterns of haplotype diversity at 9p21.3, a locus associated with type 2 diabetes and coronary heart disease

Silander, Kaisa, Tang, Hua, Myles, Sean, Jakkula, Eveliina, Timpson, Nicholas J, Cavalli-Sforza, Luigi, ...

A 100 kb region on 9p21.3 harbors two major disease susceptibility loci: one for type 2 diabetes (T2D) and one for coronary heart disease (CHD). The single nucleotide polymorphisms (SNPs) associated...

Meta-Analysis of 28,141 Individuals Identifies Common Variants within Five New Loci That Influence Uric Acid Concentrations

Kolz, Melanie, Johnson, Toby, Sanna, Serena, Teumer, Alexander, Vitart, Veronique, Perola, Markus, ...

Elevated serum uric acid levels cause gout and are a risk factor for cardiovascular disease and diabetes. To investigate the polygenetic basis of serum uric acid levels, we conducted a meta-analysis...

The Genome-wide Patterns of Variation Expose Significant Substructure in a Founder Population

Jakkula, Eveliina, Rehnström, Karola, Varilo, Teppo, Pietiläinen, Olli P.H., Paunio, Tiina, Pedersen, Nancy L., ...

Although high-density SNP genotyping platforms generate a momentum for detailed genome-wide association (GWA) studies, an offshoot is a new insight into population genetics. Here, we present an...

Common variants in the region around Osterix are associated with bone mineral density and growth in childhood

Timpson, Nicholas J., Tobias, Jon H., Richards, J. Brent, Soranzo, Nicole, Duncan, Emma L., Sims, Anne-Marie, ...

Peak bone mass achieved in adolescence is a determinant of bone mass in later life. In order to identify genetic variants affecting bone mineral density (BMD), we performed a genome-wide association...

Genome-Wide Association Scan Meta-Analysis Identifies Three Loci Influencing Adiposity and Fat Distribution

Lindgren, Cecilia M., Heid, Iris M., Randall, Joshua C., Lamina, Claudia, Steinthorsdottir, Valgerdur, Qi, Lu, ...

To identify genetic loci influencing central obesity and fat distribution, we performed a meta-analysis of 16 genome-wide association studies (GWAS, N = 38,580) informative for adult waist...

Acquired obesity and poor physical fitness impair expression of genes of mitochondrial oxidative phosphorylation in monozygotic twins discordant for obesity

Mustelin, Linda, Pietiläinen, Kirsi H., Rissanen, Aila, Sovijärvi, Anssi R., Piirilä, Päivi, Naukkarinen, Jussi, ...

Defects in expression of genes of oxidative phosphorylation in mitochondria have been suggested to be a key pathophysiological feature in familial insulin resistance. We examined whether such defects...

Variants in TF and HFE Explain ∼40% of Genetic Variation in Serum-Transferrin Levels

Benyamin, Beben, McRae, Allan F., Zhu, Gu, Gordon, Scott, Henders, Anjali K., Palotie, Aarno, ...

Only a small proportion of genetic variation in complex traits has been explained by SNPs from genome-wide association studies (GWASs). We report the results from two GWASs for serum markers of iron...

OSBPL10, a novel candidate gene for high triglyceride trait in dyslipidemic Finnish subjects, regulates cellular lipid metabolism

Perttilä, Julia, Merikanto, Krista, Naukkarinen, Jussi, Surakka, Ida, Martin, Nicolas W., Tanhuanpää, Kimmo, ...

Analysis of variants in three genes encoding oxysterol-binding protein (OSBP) homologues (OSBPL2, OSBPL9, OSBPL10) in Finnish families with familial low high-density lipoprotein (HDL) levels...

Genome-wide Association Study of Smoking Initiation and Current Smoking

Vink, Jacqueline M., Smit, August B., Sullivan, Patrick, Willemsen, Gonneke, Hottenga, Jouke-Jan, ...

For the identification of genes associated with smoking initiation and current smoking, genome-wide association analyses were carried out in 3497 subjects. Significant genes that replicated in three...

The role of the CD58 locus in multiple sclerosis

De Jager, Philip L., Baecher-Allan, Clare, Maier, Lisa M., Arthur, Ariel T., Ottoboni, Linda, Barcellos, Lisa, ...

Multiple sclerosis (MS) is an inflammatory disease of the central nervous system associated with demyelination and axonal loss. A whole genome association scan suggested that allelic variants in the...

A high-density association screen of 155 ion transport genes for involvement with common migraine

Nyholt, Dale R., LaForge, K. Steven, Kallela, Mikko, Alakurtti, Kirsi, Anttila, Verneri, Färkkilä, Markus, ...

The clinical overlap between monogenic Familial Hemiplegic Migraine (FHM) and common migraine subtypes, and the fact that all three FHM genes are involved in the transport of ions, suggest that ion...

Common Missense Variant in the Glucokinase Regulatory Protein Gene Is Associated With Increased Plasma Triglyceride and C-Reactive Protein but Lower Fasting Glucose Concentrations

Orho-Melander, Marju, Melander, Olle, Guiducci, Candace, Perez-Martinez, Pablo, Corella, Dolores, Roos, Charlotta, ...

OBJECTIVE—Using the genome-wide association approach, we recently identified the glucokinase regulatory protein gene (GCKR, rs780094) region as a novel quantitative trait locus for plasma...

Geographical structure and differential natural selection among North European populations

McEvoy, Brian P., Montgomery, Grant W., McRae, Allan F., Ripatti, Samuli, Perola, Markus, Spector, Tim D., ...

Population structure can provide novel insight into the human past, and recognizing and correcting for such stratification is a practical concern in gene mapping by many association methodologies. We...