Ian N. M. Day

Functional polymorphism in ABCA1 influences age of symptom onset in coronary artery disease patients (2007)

Kyriakou, Theodosios, Pontefract, David E., Viturro, Enrique, Hodgkinson, Conrad P., Laxton, Ross C., Bogari, Neda, ...

ATP-binding-cassette-transporter-A1 (ABCA1) plays a pivotal role in intracellular cholesterol removal, exerting a protective effect against atherosclerosis. ABCA1 gene severe mutations underlie...

Quantitated transcript haplotypes (QTH) of AGTR1, reduced abundance of mRNA haplotypes containing 1166C (rs5186:A>C), and relevance to metabolic syndrome traits (2007)

Abdollahi, Mohammad R., Lewis, Rohan M., Gaunt, Tom R., Cumming, Debbie V.E., Rodriguez, Santiago, Rose-Zerilli, Matthew, ...

The angiotensin II type 1 receptor (AGTR1) is the main target through which angiotensin II influences cardiovascular tone, cell growth, and fluid and electrolyte balance. AGTR1 polymorphism has been...

Interaction between birthweight and polymorphism in the calcium-sensing receptor gene in determination of adult bone mass: the Hertfordshire cohort study (2007)

Lips, Mirjam A., Syddall, Holly E., Gaunt, Tom R., Rodriguez, Santiago, Day, Ian N.M., Cooper, Cyrus, ...

OBJECTIVE: We sought evidence of interaction between single-nucleotide polymorphisms (SNP) in the calcium-sensing receptor (CASR) gene and early life in determination of bone mineral density (BMD)...

The association of the paraoxonase (PON1) Q192R polymorphism with depression in older women: findings from the British women's heart and health study (2007)

Lawlor, Debbie A., Day, Ian N.M., Gaunt, Tom R., Hinks, Lesley J., Timpson, Nick, Ebrahim, Shah, ...

Background: The association between the R allele of PON1 Q192R and symptoms reported by sheep dippers and Gulf War veterans has been used to suggest a biological basis for these symptoms. In the...

Integrated single-label liquid-phase assay of APOE codons 112 and 158 and a lipoprotein study in British women19 (2006)

Abdollahi, Mohammad Reza, Guthrie, Philip A.I., Smith, George Davey, Lawlor, Debbie A., Ebrahim, Shah, Day, Ian N.M.

BACKGROUND: Apolipoprotein E (APOE) is an important element of lipid metabolism and, hence, cardiovascular disorders. APOE has 3 main allelic variants: epsilon3, epsilon4, and epsilon2. Of these,...

Combination of 768-well microplate array diagonal gel electrophoresis with duplex PCR of X and Y chromosome markers for quality control of epidemiological DNA banks (2006)

Huang, Shuwen, Chen, Xiao-he, Day, Ian N.M.

Large DNA banks for human epidemiological studies have become an increasingly important research tool. The power of genotype-phenotype studies is dependent both on the quality of phenotyping and of...

MIDAS: software for analysis and visualisation of interallelic disequilibrium between multiallelic markers (2006)

Gaunt, Tom R., Rodriguez, Santiago, Zapata, Carlos, Day, Ian N.M.

Background Various software tools are available for the display of pairwise linkage disequilibrium across multiple single nucleotide polymorphisms. The HapMap project also presents these graphics...

The association of the PON1 Q192R polymorphism with complications and outcomes of pregnancy: findings from the British Women's Heart and Health cohort study (2006)

Lawlor, Debbie A., Gaunt, Tom R., Hinks, Lesley J., Smith, George Davey, Timpson, Nick, Day, Ian N.M., ...

It has been hypothesised that paraoxonase genes would be related to adverse pregnancy outcomes, via a maternal or fetal effect on placental hypoperfusion and thrombosis. To date only two studies have...

The association of oestrogen receptor alpha-haplotypes with cardiovascular risk factors in the British Women's Heart and Health Study (2006)

Lawlor, Debbie A., Timpson, Nick, Ebrahim, Shah, Day, Ian N.M., Smith, George Davey

Aims One previous study among women with established coronary heart disease found a gene–treatment interaction between the oestrogen receptor gene (ESR1) and hormone replacement in their...

Variants in the Human Insulin Gene That Affect Pre-mRNA Splicing: Is -23HphI a Functional Single Nucleotide Polymorphism at IDDM2? (2006)

Královiová, Jana, Gaunt, Tom R., Rodriguez, Santiago, Wood, Peter J., Day, Ian N.M., Voechovsky, Igor

Predisposition to type 1 diabetes and juvenile obesity is influenced by the susceptibility locus IDDM2 that includes the insulin gene (INS). Although the risk conferred by IDDM2 has been attributed...

A study of TH01 and IGF2-INS-TH haplotypes in relation to smoking initiation in three independent surveys (2006)

Rodriguez, Santiago, Huang, Shuwen, Chen, Xiao-he, Gaunt, Tom R., Syddall, Holly E., Gilg, Julie A., ...

OBJECTIVES: Recent studies suggest an association between a microsatellite locus (TH01) located in intron 1 of the tyrosine hydroxylase gene (TH) and nicotine dependence. We aimed here to study...

Replication of IGF2-INS-TH*5 haplotype effect on obesity in older men and study of related phenotypes (2006)

Rodríguez, Santiago, Gaunt, Tom R., Dennison, Elaine, Chen, Xiao-he, Syddall, Holly E., Phillips, David I.W., ...

Interindividual variation of the IGF2-INS-TH region influences risk of a variety of diseases and complex traits. Previous studies identified a haplotype (designated IGF2-INS-TH*5 and tagged by allele...

A study of TH01 and IGF2-INS-TH haplotypes in relation to smoking initiation in three independent surveys (2006)

Rodriguez, Santiago, Huang, Shuwen, Chen, Xiao-he, Gaunt, Tom R., Syddall, Holly E., Gilg, Julie A., ...

Objectives: Recent studies suggest an association between a microsatellite locus (TH01) located in intron 1 of the tyrosine hydroxylase gene (TH) and nicotine dependence. We aimed here to study...

Variants in the human insulin gene that affect Pre-mRNA splicing: is -23HphI a functional single nucleotide polymorphism at IDDM2? (2006)

Kralovicova, Jana, Gaunt, Tom R., Rodriguez, Santiago, Wood, Peter J., Day, Ian N.M., Vorechovsky, Igor

Predisposition to type 1 diabetes and juvenile obesity is influenced by the susceptibility locus IDDM2 that includes the insulin gene (INS). Although the risk conferred by IDDM2 has been attributed...

Replication of IGF2-INS-TH(*)5 haplotype effect on obesity in older men and study of related phenotypes (2006)

Rodriguez, Santiago, Gaunt, Tom R., Dennison, Elaine, Chen, Xiao-he, Syddall, Holly E., Phillips, Davide I.W., ...

Interindividual variation of the IGF2-INS-TH region influences risk of a variety of diseases and complex traits. Previous studies identified a haplotype (designated IGF2-INS-TH(*)5 and tagged by...

CYP2A6, MAOA, DBH, DRD4, and 5HT2A genotypes, smoking behaviour and cotinine levels in 1518 UK adolescents (2005)

Huang, Shuwen, Cook, Derek G., Hinks, Lesley J., Chen, Xiao-he, Ye, Shu, Gilg, Julie A., ...

Objectives: Smoking is a major cause of death and often initiates in adolescence. Mutations in CYP2A6 slow metabolism of nicotine to cotinine. Haploinsufficiency in adults is associated with lower...

Exonization of AluYa5 in the human ACE gene requires mutations in both 3' and 5' splice sites and is facilitated by a conserved splicing enhancer (2005)

Lei, Haixin, Day, Ian N.M., Vorechovsky, Igor

Ancient Alu elements have been shown to be included in mature transcripts by point mutations that improve their 5' or 3' splice sites. We have examined requirements for exonization of a younger,...

Combination of His-tagged T4 endonuclease VII with microplate array diagonal gel electrophoresis for high-throughput mutation scanning (2005)

Smith, Matt J., Alharbi, Khalid K., Chen, Xiao-he, Day, Ian N.M., Fox, Keith R.

Various physical mutation-scanning methods have been developed to avoid unnecessary resequencing of long stretches of DNA (1)(2)(3)(4)(5)(6). Protein-based mutation-scanning techniques include...

Association of C-reactive protein with blood pressure and hypertension: life course confounding and mendelian randomization tests of causality (2005)

Davey Smith, George, Lawlor, Debbie A., Harbord, Roger, Timpson, Nic, Rumley, Ann, Lowe, Gordon D.O., ...

Background: C-reactive protein (CRP) has repeatedly been associated with blood pressure and prevalent and incident hypertension, but whether a causal link exists is uncertain. Methods and Results: We...

Exonization of AluYa5 in the human ACE gene requires mutations in both 3' and 5' splice sites and is facilitated by a conserved splicing enhancer (2005)

Lei, Haixin, Day, Ian N.M., Vořechovský, Igor

Ancient Alu elements have been shown to be included in mature transcripts by point mutations that improve their 5' or 3' splice sites. We have examined requirements for exonization of a younger,...

Combination of His-tagged T4 endonuclease VII with microplate array diagonal gel electrophoresis for high-throughput mutation scanning (2005)

Smith, Matt J., Alharbi, Khalid K., Chen, Xiao-he, Day, Ian N.M., Fox, Keith R.

Various physical mutation-scanning methods have been developed to avoid unnecessary resequencing of long stretches of DNA (1–6). Protein-based mutation-scanning techniques include enzymatic...

Mutation scanning by meltMADGE: validations using BRCA1 and LDLR, and demonstration of the potential to identify severe, moderate, silent, rare, and paucimorphic mutations in the general population (2005)

Alharbi, Khalid K., Aldahmesh, Mohammed A., Spanakis, Emmanuel, Haddad, Lema, Whittall, Roslyn A., Chen, Xiao-he, ...

We have developed a mutation-scanning approach suitable for whole population screening for unknown mutations. The method, meltMADGE, combines thermal ramp electrophoresis with MADGE to achieve...

Mutation scanning by meltMADGE: validations using BRCA1 and LDLR, and demonstration of the potential to identify severe, moderate, silent, rare, and paucimorphic mutations in the general population (2005)

Alharbi, Khalid K., Aldahmesh, Mohammed A, Spanakis, Emmanuel, Haddad, Lema, Whittall, Roslyn A, Chen, Xiao-he, ...

We have developed a mutation-scanning approach suitable for whole population screening for unknown mutations. The method, meltMADGE, combines thermal ramp electrophoresis with MADGE to achieve...

Late life metabolic syndrome, early growth, and common polymorphism in the growth hormone and placental lactogen gene cluster (2004)

Day, Ian N. M., Chen, Xiao-He, Gaunt, Tom R., King, Tabitha H. T., Voropanov, Anca, Ye, Shu, ...

Low rates of fetal and infant growth are associated with the metabolic syndrome and cardiovascular disease in later life. We investigated common genetic variation in the GH-CSH gene cluster on...

Evidence of admixture from haplotyping in an epidemiological study of UK Caucasian males: implications for association analyses (2004)

Chen, Xiao-He, Rodriguez, Santiago, Hawe, Emma, Talmud, Philippa J., Miller, George J., Underhill, Peter, ...

OBJECTIVE: Cohort and case-control genetic association studies offer the greatest power to detect small genotypic influences on disease phenotypes, relative to family-based designs. However, genetic...

The association of the PON1 Q192R polymorphism with coronary heart disease: findings from the British Women's Heart and Health cohort study and a meta-analysis (2004)

Lawlor, Debbie A., Day, Ian N.M., Gaunt, Tom R., Hinks, Lesley J., Briggs, Patricia J., Kiessling, Matthew, ...

Background There have been inconsistent results from case-control studies assessing the association of the PON1 Q192R polymorphism with coronary heart disease (CHD). Most studies have included...

Typing dinucleotide repeat loci using microplate array diagonal gel electrophoresis: proof of principle (2004)

Rodriguez, Santiago, Chen, Xiao-he, Day, Ian N.M.

Polymorphic dinucleotide repeat loci (microsatellite markers) are found in varying abundance throughout the genomes of most organisms. They have been extensively used for genetic studies, but...

The association of the PON1 Q192R polymorphism with coronary heart disease: findings from the British Women's Heart and Health cohort study and a meta-analysis (2004)

Lawlor, Debbie A., Day, Ian N.M., Gaunt, Tom R., Hinks, Lesley J., Briggs, Patricia J., Kiessling, Matthew, ...

Background There have been inconsistent results from case-control studies assessing the association of the PON1 Q192R polymorphism with coronary heart disease (CHD). Most studies have included...

Association between interleukin 1-beta promoter (-511) polymorphism and depressive symptoms in Alzheimer's disease (2004)

McCulley, Michelle C., Day, Ian N.M., Holmes, Clive

Depressive symptoms have been associated with raised interleukin 1-β (IL-1 β) plasma levels. The presence of behavioral and psychological symptoms of dementia (BPSD) in Alzheimer's disease,...

Influences of matrix metalloproteinase-3 gene variation on extent of coronary atherosclerosis and risk of myocardial infarction (2003)

Beyzade, Seyyare, Zhang, Shaoli, Wong, Yuk-ki, Day, Ian N. M., Eriksson, Per, Ye, Shu

OBJECTIVES: The aim of this study was to assess matrix metalloproteinase-3 (MMP3) gene variation in relation to the degree of coronary atherosclerosis and risk of myocardial infarction (MI) in...

Manual 768 or 384 well microplate gel 'dry' electrophoresis for PCR checking and SNP genotyping (2003)

Gaunt, Tom R., Hinks, Lesley J., Rassoulian, Hamid, Day, Ian N.M.

Electrophoresis continues to be a mainstay in molecular genetic laboratories for checking, sizing and separating both PCR products, nucleic acids derived from in vivo or in vitro sources and nucleic...

Manual 768 or 384 well microplate gel 'dry' electrophoresis for PCR checking and SNP genotyping (2003)

Gaunt, Tom R., Hinks, Lesley J., Rassoulian, Hamid, Day, Ian N.M.

Electrophoresis continues to be a mainstay in molecular genetic laboratories for checking, sizing and separating both PCR products, nucleic acids derived from in vivo or in vitro sources and nucleic...

Influences of matrix metalloproteinase-3 gene variation on extent of coronary atherosclerosis and risk of myocardial infarction (2003)

Beyzade, Seyyare, Zhang, Shaoli, Wong, Yuk-ki, Day, Ian N.M., Eriksson, Per, Ye, Shu

Objectives The aim of this study was to assess matrix metallloproteinase-3 (MMP3) gene variation in relation to the degree of coronary atherosclerosis and risk of myocardial infarction (MI) in...

Molecular pathogenesis of subarachnoid haemorrhage (2003)

Zhang, Baiping, Fugleholm, Kaare, Day, Lorna B., Ye, Shu, Weller, Roy O., Day, Ian N.M.

Subarachnoid haemorrhage (SAH) results from leakage of blood into the subarachnoid space and carries high morbidity and mortality. However, there is limited understanding to date, of the risk...

Microplate array diagonal gel electrophoresis for cohort studies of microsatellite loci (2002)

Chen, Xiao-He, O'Dell, Sandra D., Day, Ian N.M.

After PCR amplification, we have achieved precise sizing of trinucleotide and tetranucleotide microsatellite alleles on 96-well open-faced polyacrylamide microplate array diagonal gel electrophoresis...

Age-associated changes in methylation of the insulin-like growth factor II (IGF-II) gene (2002)

Hoffman, Elizabeth G., Day, Ian N. M., Ganderton, Rosalind H.

During normal human ageing, changes in DNA methylation are seen, with global hypomethylation occurring in tandem with gene and tissue specific hypermethylation. This epigenetic change is thought to...

A novel medium throughput quantitative competitive PCR technology to simultaneously measure mRNA levels from multiple genes (2002)

Zhang, Junlong, Day, Ian N.M., Byrne, Christopher D.

There is a great demand for technologies to simultaneously measure mRNA levels from multiple genes. Here we report a new quantitative competitive PCR technology and demonstrate simultaneous...

Null mutation in human ciliary neurotrophic factor gene confers higher body mass index in males (2002)

O'Dell, Sandra D., Syddall, Holly E., Sayer, Avan Aihie, Cooper, Cyrus, Fall, Caroline H.D., Dennison, Elaine M., ...

Ciliary neurotrophic factor (CNTF) administration reduces weight in leptin-resistant mice via the signalling pathway normally activated by leptin. A G>A null mutation in the CNTF gene results in...

A novel medium throughput quantitative competitive PCR technology to simultaneously measure mRNA levels from multiple genes (2002)

Zhang, Junlong, Day, Ian N.M., Byrne, Christopher D.

There is a great demand for technologies to simultaneously measure mRNA levels from multiple genes. Here we report a new quantitative competitive PCR technology and demonstrate simultaneous...

Polymorphism of the IGF2 gene, birth weight and grip strength in adult men (2002)

Aihie-Sayer, Avan, Syddall, Holly, O'Dell, Sandra D., Chen, Xiao-He, Briggs, Patricia J., Briggs, R., ...

BACKGROUND: Grip strength is a simple measure of skeletal muscle function but a powerful predictor of disability, morbidity and mortality. Recent evidence has shown that prenatal and infant growth...

A novel medium throughput quantitative competitive PCR technology to simultaneously measure mRNA levels from multiple genes (2002)

Zhang, Junlong, Day, Ian N.M., Byrne, Christopher D.

There is a great demand for technologies to simultaneously measure mRNA levels from multiple genes. Here we report a new quantitative competitive PCR technology and demonstrate simultaneous...

Molecular genetic epidemiology: a laboratory perspective (2002)

Day, Ian N.M.

This volume describes high-throughput approaches to a series of robust, established methodologies in molecular genetic studies of population samples. Such developments have been essential not only to...

Science, medicine, and the future: Genetics and cardiovascular risk (2001)

Day, Ian N. M., Wilson, David I.

Cardiovascular disease is the commonest cause of death in the Western world, and congenital heart disease affects almost 1% of liveborn infants. Both diseases have substantial genetic components. The...

Polymorphisms in matrix metalloproteinase-1, -3, -9, and -12 genes in relation to subarachnoid hemorrhage (2001)

Zhang, Baiping, Dhillon, Sahar, Geary, Irene, Howell, W Martin, Iannotti, Fausto, Day, Ian N.M, ...

BACKGROUND AND PURPOSE: Intracranial aneurysm, which underlies the vast majority of subarachnoid hemorrhage incidences, has a multifactorial etiology, and the importance of genetic factors is...

Positive associations between single nucleotide polymorphisms in the IGF2 gene region and body mass index in adult males (2001)

Gaunt, Tom R., Cooper, Jacqueline A., Miller, George J., Day, Ian N.M., O'Dell, Sandra D.

We previously demonstrated an association between the insulin-like growth factor 2 (IGF2) gene 3'-untranslated region (3'-UTR) ApaI polymorphism and body mass index (BMI) in over 2500 middle-aged...

Birthweight, vitamin D receptor genotype and the programming of osteoporosis (2001)

Dennison, Elaine M., Arden, Nigel K., Keen, Richard W., Syddall, Holly, Day, Ian N. M., Spector, Timothy D., ...

Studies of the association between polymorphisms of the gene for the vitamin D receptor (VDR) and adult bone mass have been inconsistent, pointing to the possibility that gene--environment...

Microarray analysis of nicotine-induced changes in gene expression in endothelial cells (2001)

Zhang, Shaoli, Day, Ian N.M., Ye, Shu

Cigarette smoking causes vascular endothelial dysfunction and is a major risk factor for cardiovascular diseases. Nicotine, a major constituent of cigarette smoke, has been shown to alter gene...

Science, medicine, and the future: genetics and cardiovascular risk (2001)

Day, Ian N.M., Wilson, David I.

Cardiovascular disease is the commonest cause of death in the Western world, and congenital heart disease affects almost 1% of liveborn infants. Both diseases have substantial genetic components. The...

Birthweight, vitamin D receptor genotype and the programming of osteoporosis (2001)

Dennison, Elaine M., Arden, Nigel K., Keen, Richard W., Syddall, Holly, Day, Ian N.M., Spector, Timothy D., ...

Studies of the association between polymorphisms of the gene for the vitamin D receptor (VDR) and adult bone mass have been inconsistent, pointing to the possibility that gene–environment...

Positive associations between single nucleotide polymorphisms in the IGF2 gene region and body mass index in adult males (2001)

Gaunt, Tom R., Cooper, Jacqueline A., Miller, George J., Day, Ian N.M., O'Dell, Sandra

We previously demonstrated an association between the insulin-like growth factor 2 (IGF2) gene 3'-untranslated region (3'-UTR) ApaI polymorphism and body mass index (BMI) in over 2500 middle-aged...

An efficient procedure for genotyping single nucleotide polymorphisms (2001)

Ye, Shu, Dhillon, Sahar, Ke, Xiayi, Collins, Andrew R., Day, Ian N.M.

Analysis of single nucleotide polymorphisms (SNPs) has been and will be increasingly utilized in various genetic disciplines, particularly in studying genetic determinants of complex diseases. Such...

Polymorphisms in matrix metalloproteinase-1, -3, -9, and -12 genes in relation to subarachnoid hemorrhage (2001)

Zhang, Baiping, Dhillon, Sahar, Geary, Irene, Howell, W. Martin, Iannotti, Fausto, Day, Ian N.M., ...

Background and Purpose: Intracranial aneurysm, which underlies the vast majority of subarachnoid hemorrhage incidences, has a multifactorial etiology, and the importance of genetic factors is...