Jo Vandesompele

The emerging molecular pathogenesis of neuroblastoma: implications for improved risk assessment and targeted therapy (2009)

Van Roy, Nadine, De Preter, Katleen, Hoebeeck, Jasmien, Van Maerken, Tom, Pattyn, Filip, Mestdagh, Pieter, ...

Abstract Neuroblastoma is one of the most common solid tumors of childhood, arising from immature sympathetic nervous system cells. The clinical course of patients with neuroblastoma is highly...

A novel and universal method for microRNA RT-qPCR data normalization (2009)

Mestdagh, Pieter, Van Vlierberghe, Pieter, De Weer, An, Muth, Daniel, Westermann, Frank, Speleman, Frank, ...

Abstract Gene expression analysis of microRNA molecules is becoming increasingly important. In this study we assess the use of the mean expression value of all expressed microRNAs in a given sample...

Aberrant methylation of candidate tumor suppressor genes in neuroblastoma (2009)

Hoebeeck, Jasmien, MICHELS, EVELIEN, Pattyn, Filip, Combaret, Valerie, Vermeulen, Joelle, Yigit, Nurten, ...

CpG island hypermethylation has been recognized as an alternative mechanism for tumor suppressor gene inactivation. In this study, we performed methylation-specific PCR (MSP) to investigate the...

Positive correlation between relative mRNA expression of PRNP and SPRN in cerebral and cerebellar cortex of sheep (2009)

Lampo, Evelyne, Van Poucke, Mario, Vandesompele, Jo, Erkens, Tim, Van Zeveren, Alex, Peelman, Luc

SPRN is an interesting new member of the PRNP family because of its sequence homology with the hydrophobic region of PRNP, its expression in brain tissue and its PrP-like properties in functional...

RDML: structured language and reporting guidelines for real-time quantitative PCR data (2009)

Lefever, Steve, Hellemans, Jan, Pattyn, Filip, Przybylski, Daniel R., Taylor, Chris, Geurts, René, ...

The XML-based Real-Time PCR Data Markup Language (RDML) has been developed by the RDML consortium (http://www.rdml.org) to enable straightforward exchange of qPCR data and related information between...

RTPrimerDB: the portal for real-time PCR primers and probes (2009)

Lefever, Steve, Vandesompele, Jo, Speleman, Frank, Pattyn, Filip

RTPrimerDB (http://www.rtprimerdb.org) is a freely accessible database and analysis tool for real-time quantitative PCR assays. RTPrimerDB includes records with user submitted assays that are linked...

Distinct transcriptional MYCN/c-MYC activities are associated with spontaneous regression or malignant progression in neuroblastomas (2008)

Westermann, Frank, Muth, Daniel, Benner, Axel, Bauer, Tobias, Henrich, Kai-Oliver, Oberthuer, André, ...

Abstract Background Amplified MYCN oncogene resulting in deregulated MYCN transcriptional activity is observed in 20% of neuroblastomas and identifies a highly aggressive subtype. In MYCN single-copy...

Promoting coherent minimum reporting guidelines for biological and biomedical investigations: the MIBBI project (2008)

Taylor, Chris F., Field, Dawn, Sansone, Susanna-Assunta, Aerts, Jan, Apweiler, Rolf, Asburner, Michael, ...

The Minimum Information for Biological and Biomedical Investigations (MIBBI) project provides a resource for those exploring the range of extant minimum information checklists and fosters coordinated...

CADM1is a strong neuroblastoma candidate gene that maps within a 3.72 Mb critical region of loss on 11q23 (2008)

Michels, Evi, Hoebeeck, Jasmien, De Preter, Katleen, Schramm, Alexander, Brichard, Bénédicte, De Paepe, Anne, ...

Abstract Background Recurrent loss of part of the long arm of chromosome 11 is a well established hallmark of a subtype of aggressive neuroblastomas. Despite intensive mapping efforts to localize the...

BioMed Central (2008)

Bmc Bioinformatics, Filip Pattyn, Jasmien Hoebeeck, Piet Robbrecht, Evi Michels, Anne De, ...

Research article methBLAST and methPrimerDB: web-tools for PCR based methylation analysis

Selection and validation of a set of reliable reference genes for quantitative sodgene expression analysis in C. elegans (2008)

Hoogewijs, David, Houthoofd, Koen, Matthijssens, Filip, Vandesompele, Jo, Vanfleteren, Jacques R

Abstract Background In the nematode Caenorhabditis elegans the conserved Ins/IGF-1 signaling pathway regulates many biological processes including life span, stress response, dauer diapause and...

Standardization of real-time PCR gene expression data from independent biological replicates (2008)

Willems, Erik, Leyns, Luc, Vandesompele, Jo

Gene expression analysis by quantitative reverse transcription PCR (qRT-PCR) allows accurate quantifications of messenger RNA (mRNA) levels over different samples. Corrective methods for different...

Distinct transcriptional MYCN/c-MYC activities are associated with spontaneous regression or malignant progression in neuroblastomas (2008)

Westermann, F, Muth, D, Benner, A, Bauer, T, Henrich, KO, Oberthuer, A, ...

Background Amplified MYCN oncogene resulting in deregulated MYCN transcriptional activity is observed in 20% of neuroblastomas and identifies a highly aggressive subtype. In MYCN single-copy...

Real-time qPCR as a tool for evaluating RNAi-mediated gene silencing (2008)

Van Maerken, Tom, Mestdagh, Pieter, De Clercq, Sarah, Pattyn, Filip, Yigit, Nurten, De Paepe, Anne, ...

This article describes how rt-qPCR can be implemented as a tool to monitor silencing efficiency and functional effects of RNA interference (RNAi)-mediated gene knockdown, using examples from our...

Positional gene enrichment analysis of gene sets for high-resolution identification of overrepresented chromosomal regions (2008)

De Preter, Katleen, Barriot, Roland, Speleman, Frank, Vandesompele, Jo, Moreau, Yves

The search for feature enrichment is a widely used method to characterize a set of genes. While several tools have been designed for nominal features such as Gene Ontology annotations or KEGG...

High-throughput stem-loop RT-qPCR miRNA expression profiling using minute amounts of input RNA (2008)

Mestdagh, Pieter, Feys, Tom, Bernard, Nathalie, Guenther, Simone, Chen, Caifu, Speleman, Frank, ...

MicroRNAs (miRNAs) are an emerging class of small non-coding RNAs implicated in a wide variety of cellular processes. Research in this field is accelerating, and the growing number of miRNAs...

Molecular dissection of isolated disease features in mosaic neurofibromatosis type 1 (2007)

De Schepper, Sofie, Vandesompele, Jo, Heyns, Ine, Janssens, Sandra, ...

Elucidation of the biological framework underlying the development of neurofibromatosis type 1 (NF1)-related symptoms has proved to be difficult. Complicating factors include the large size of the...

Identification and expression analysis of genes associated with bovine blastocyst formation (2007)

Goossens, Karen, Van Soom, Ann, Van Poucke, Mario, Vandaele, Leen, Vandesompele, Jo, Van Zeveren, Alex, ...

Abstract Background Normal preimplantation embryo development encompasses a series of events including first cleavage division, activation of the embryonic genome, compaction and blastocyst...

qBase relative quantification framework and software for management and automated analysis of real-time quantitative PCR data (2007)

Hellemans, Jan, Mortier, Geert, De Paepe, Anne, Speleman, Frank, Vandesompele, Jo

Abstract Although quantitative PCR (qPCR) is becoming the method of choice for expression profiling of selected genes, accurate and straightforward processing of the raw measurements remains a major...

methBLAST and methPrimerDB: web-tools for PCR based methylation analysis (2006)

Pattyn, Filip, Hoebeeck, Jasmien, Robbrecht, Piet, Michels, Evi, De Paepe, Anne, Bottu, Guy, ...

Abstract Background DNA methylation plays an important role in development and tumorigenesis by epigenetic modification and silencing of critical genes. The development of PCR-based methylation...

Development of a new set of reference genes for normalization of real-time RT-PCR data of porcine backfat and longissimus dorsimuscle, and evaluation with PPARGC1A (2006)

Erkens, Tim, Van Poucke, Mario, Vandesompele, Jo, Goossens, Karen, Van Zeveren, Alex, Peelman, Luc J

Abstract Background An essential part of using real-time RT-PCR is that expression results have to be normalized before any conclusions can be drawn. This can be done by using one or multiple,...

Comprehensive NF1 screening on cultured Schwann cells from neurofibromas (2006)

Vandesompele, Jo, Heyns, Ine, Rosenbaum, Thorsten, ...

Neurofibromatosis type 1 (NF1) is mainly characterized by the occurrence of benign peripheral nerve sheath tumors or neurofibromas. Thorough investigation of the somatic mutation spectrum has thus...

Human fetal neuroblast and neuroblastoma transcriptome analysis confirms neuroblast origin and highlights neuroblastoma candidate genes (2006)

De Preter, Katleen, Vandesompele, Jo, Heimann, Pierre, Yigit, Nurten, Beckman, Siv, Schramm, Alexander, ...

Abstract Background Neuroblastoma tumor cells are assumed to originate from primitive neuroblasts giving rise to the sympathetic nervous system. Because these precursor cells are not detectable in...

EVI1 is consistently expressed as principal transcript in common and rare recurrent 3q26 rearrangements (2006)

Dastugue, Nicole, Vandesompele, Jo, Cauwelier, Barbara, Yigit, Nurten, ...

In contrast to the well-documented involvement of EVI1 in various 3q26 aberrations, the transcriptional status of EVI1 in rare recurrent or sporadic 3q26 chromosomal defects has remained largely...

Comprehensive NF1 screening on cultured Schwann cells from neurofibromas: towards an extensive study of the somatic mutation spectrum in neurofibromatosis type 1 (2006)

Maertens, Ophélia, Brems, Hilde, Vandesompele, Jo, De Raedt, Thomas, Heyns, Ine, Rosenbaum, Thorsten, ...

Neurofibromatosis type 1 (NF1) is mainly characterized by the occurrence of benign peripheral nerve sheath tumors or neurofibromas. Thorough investigation of the somatic mutation spectrum has thus...

RTPrimerDB: the real-time PCR primer and probe database, major update 2006 (2006)

Pattyn, Filip, Robbrecht, Piet, De Paepe, Anne, Speleman, Frank, Vandesompele, Jo

The RTPrimerDB (http://medgen.ugent.be/rtprimerdb) project provides a freely accessible data retrieval system and an in silico assay evaluation pipeline for real-time quantitative PCR assays. Over...

Selection of reference genes for quantitative real-time PCR in bovine preimplantation embryos (2005)

Goossens, Karen, Van Poucke, Mario, Van Soom, Ann, Vandesompele, Jo, Van Zeveren, Alex, Peelman, Luc J

Abstract Background Real-time quantitative PCR is a sensitive and very efficient technique to examine gene transcription patterns in preimplantation embryos, in order to gain information about embryo...

Positional and functional mapping of a neuroblastoma differentiation gene on chromosome 11 (2005)

De Preter, Katleen, Vandesompele, Jo, Menten, Björn, Carr, Philippa, Fiegler, Heike, Edsjö, Anders, ...

Abstract Background Loss of chromosome 11q defines a subset of high-stage aggressive neuroblastomas. Deletions are typically large and mapping efforts have thus far not lead to a well defined...

arrayCGHbase: an analysis platform for comparative genomic hybridization microarrays (2005)

Menten, Björn, Pattyn, Filip, De Preter, Katleen, Robbrecht, Piet, Michels, Evi, Buysse, Karen, ...

Abstract Background The availability of the human genome sequence as well as the large number of physically accessible oligonucleotides, cDNA, and BAC clones across the entire genome has triggered...

A dual fluorescent multiprobe assay for prion protein genotyping in sheep (2005)

Van Poucke, Mario, Vandesompele, Jo, Mattheeuws, Marc, Van Zeveren, Alex, Peelman, Luc J

Abstract Background Scrapie and BSE belong to a group of fatal, transmissible, neurodegenerative diseases called TSE. In order to minimize the risk of natural scrapie and presumed natural BSE in...

Loss-of-function mutations in LEMD3 result in osteopoikilosis, Buschke-Ollendorff syndrome and melorheostosis (2004)

Hellemans, Jan, Preobrazhenska, Olena; U0041254, Willaert, Andy, Debeer, Philippe; U0002219, Verdonk, Peter C M, Costa, Teresa, ...

Osteopoikilosis, Buschke-Ollendorff syndrome (BOS) and melorheostosis are disorders characterized by increased bone density. The occurrence of one or more of these phenotypes in the same individual...

No evidence for involvement of SDHDin neuroblastoma pathogenesis (2004)

De Preter, Katleen, Vandesompele, Jo, Hoebeeck, Jasmien, Vandenbroecke, Caroline, Smet, Jöel, Nuyts, Annick, ...

Abstract Background Deletions in the long arm of chromosome 11 are observed in a subgroup of advanced stage neuroblastomas with poor outcome. The deleted region harbours the tumour suppressor gene...

Combined subtractive cDNA cloning and array CGH: an efficient approach for identification of overexpressed genes in DNA amplicons (2004)

De Preter, Katleen, Pattyn, Filip, Berx, Geert, Strumane, Kristin, Menten, Björn, Van Roy, Frans, ...

Abstract Background Activation of proto-oncogenes by DNA amplification is an important mechanism in the development and maintenance of cancer cells. Until recently, identification of the targeted...

Gene-expression profiling reveals distinct expression patterns for Classic versus Variant Merkel cell phenotypes and new classifier genes to distinguish Merkel cell from small-cell lung carcinoma (2004)

Gele, Mireille Van, Boyle, Glen M, Cook, Anthony, Vandesompele, Jo, Boonefaes, Tom, Rottiers, Pieter, ...

Merkel cell carcinoma (MCC) is a rare aggressive skin tumor which shares histopathological and genetic features with small-cell lung carcinoma (SCLC), both are of neuroendocrine origin. Comparable to...

Gene-expression profiling reveals distinct expression patterns for Classic versus Variant Merkel cell phenotypes and new classifier genes to distinguish Merkel cell from small-cell lung carcinoma (2004)

Gele, Mireille Van, Boyle, Glen M, Cook, Anthony, Vandesompele, Jo, Boonefaes, Tom, Rottiers, Pieter, ...

Merkel cell carcinoma (MCC) is a rare aggressive skin tumor which shares histopathological and genetic features with small-cell lung carcinoma (SCLC), both are of neuroendocrine origin. Comparable to...

Quantitative Real Time Polymerase Chain Reaction for measurement of human Interleukin – 5 receptor alpha spliced isoforms mRNA (2003)

Pérez, Claudina, Vandesompele, Jo, Vandenbroucke, Ina, Holtappels, Gabriele, Speleman, Frank, Gevaert, Philippe, ...

Abstract Background Expression of human Interleukin-5 receptor alpha (hIL-5Rα) is controlled by alternative splicing, which generates two different transcripts encoding a membrane-anchored and a...

Evidence for involvement of a tumor suppressor gene on 1p in malignant peripheral nerve sheath tumors (2003)

Van Gele, Mireille, Vandesompele, Jo, Messiaen, Ludwine, Van Belle, Simon, ...

Malignant peripheral nerve sheath tumors (MPNST) are rare soft-tissue malignancies. The genetic basis of these tumors is still poorly understood. Cytogenetic analyses predominantly revealed complex...

BioMed Central (2003)

Bmc Genomics, Katleen De Preter, Filip Pattyn, Geert Berx, Kristin Strumane, Björn Menten, ...

Research article Combined subtractive cDNA cloning and array CGH: an efficient approach for identification of overexpressed genes in DNA amplicons

RTPrimerDB: the Real-Time PCR primer and probe database (2003)

Pattyn, Filip, Speleman, Frank, De Paepe, Anne, Vandesompele, Jo

The real-time polymerase chain reaction (PCR) methodology has become increasingly popular for nucleic acids detection and/or quantification. As primer/probe design and experimental evaluation...

Accurate normalization of real-time quantitative RT-PCR data by geometric averaging of multiple internal control genes (2002)

Vandesompele, Jo, De Preter, Katleen, Pattyn, Filip, Poppe, Bruce, Van Roy, Nadine, De Paepe, Anne, ...

Abstract Background Gene-expression analysis is increasingly important in biological research, with real-time reverse transcription PCR (RT-PCR) becoming the method of choice for high-throughput and...

Multicentre analysis of patterns of DNA gains and losses in 204 neuroblastoma tumors: how many genetic subgroups are there? (2001)

Vandesompele, Jo, Speleman, Frank, Van Roy, Nadine, Laureys, Geneviève, Brinskchmidt, Christian, Christiansen, Holger, ...

Procedure: Analysis of comparative genomic hybridization (CGH) data of 120 tumors from four different studies, and data of 84 previously unpublished tumors, allowed delineation of at least six...

Multicentre analysis of patterns of DNA gains and losses in 204 neuroblastoma tumors: how many genetic subgroups are there? (2001)

Vandesompele, Jo, Speleman, Frank, Van Roy, Nadine, Laureys, Genevieve, Brinskchmidt, Christian, Christiansen, Holger, ...

Procedure Analysis of comparative genomic hybridization (CGH) data of 120 tumors from four different studies, and data of 84 previously unpublished tumors, allowed delineation of at least six...

Quantification of splice variants using real-time PCR (2001)

Vandenbroucke, Ina I., Vandesompele, Jo, Paepe, Anne De, Messiaen, Ludwine

A reliable and robust method for measuring the expression of alternatively spliced transcripts is an important step in investigating the significance of each variant. So far, accurate quantification...

Quantification of splice variants using real-time PCR

Vandenbroucke, Ina I., Vandesompele, Jo, Paepe, Anne De, Messiaen, Ludwine

A reliable and robust method for measuring the expression of alternatively spliced transcripts is an important step in investigating the significance of each variant. So far, accurate quantification...

Accurate normalization of real-time quantitative RT-PCR data by geometric averaging of multiple internal control genes

Vandesompele, Jo, De Preter, Katleen, Pattyn, Filip, Poppe, Bruce, Van Roy, Nadine, De Paepe, Anne, ...

Using real-time reverse transcription PCR ten housekeeping genes from different abundance and functional classes in various human tissues were evaluated. The conventional use of a single gene for...

RTPrimerDB: the Real-Time PCR primer and probe database

Pattyn, Filip, Speleman, Frank, De Paepe, Anne, Vandesompele, Jo

The real-time polymerase chain reaction (PCR) methodology has become increasingly popular for nucleic acids detection and/or quantification. As primer/probe design and experimental evaluation is...

RTPrimerDB: the real-time PCR primer and probe database, major update 2006

Pattyn, Filip, Robbrecht, Piet, De Paepe, Anne, Speleman, Frank, Vandesompele, Jo

The RTPrimerDB () project provides a freely accessible data retrieval system and an in silico assay evaluation pipeline for real-time quantitative PCR assays. Over the last year the number of user...

Quantification of splice variants using real-time PCR

Vandenbroucke, Ina I., Vandesompele, Jo, Paepe, Anne De, Messiaen, Ludwine

A reliable and robust method for measuring the expression of alternatively spliced transcripts is an important step in investigating the significance of each variant. So far, accurate quantification...

Accurate normalization of real-time quantitative RT-PCR data by geometric averaging of multiple internal control genes

Vandesompele, Jo, De Preter, Katleen, Pattyn, Filip, Poppe, Bruce, Van Roy, Nadine, De Paepe, Anne, ...

Using real-time reverse transcription PCR ten housekeeping genes from different abundance and functional classes in various human tissues were evaluated. The conventional use of a single gene for...

RTPrimerDB: the Real-Time PCR primer and probe database

Pattyn, Filip, Speleman, Frank, De Paepe, Anne, Vandesompele, Jo

The real-time polymerase chain reaction (PCR) methodology has become increasingly popular for nucleic acids detection and/or quantification. As primer/probe design and experimental evaluation is...

RTPrimerDB: the real-time PCR primer and probe database, major update 2006

Pattyn, Filip, Robbrecht, Piet, De Paepe, Anne, Speleman, Frank, Vandesompele, Jo

The RTPrimerDB () project provides a freely accessible data retrieval system and an in silico assay evaluation pipeline for real-time quantitative PCR assays. Over the last year the number of user...

Human fetal neuroblast and neuroblastoma transcriptome analysis confirms neuroblast origin and highlights neuroblastoma candidate genes

De Preter, Katleen, Vandesompele, Jo, Heimann, Pierre, Yigit, Nurten, Beckman, Siv, Schramm, Alexander, ...

Transcriptome profiling of neuroblasts and neuroblastoma tumor cells provides strong support for a neuroblast origin of neuroblastoma and highlights new candidate neuroblastoma genes

Correction: Human fetal neuroblast and neuroblastoma transcriptome analysis confirms neuroblast origin and highlights neuroblastoma candidate genes

De Preter, Katleen, Vandesompele, Jo, Heimann, Pierre, Yigit, Nurten, Beckman, Siv, Schramm, Alexander, ...

A correction to Human fetal neuroblast and neuroblastoma transcriptome analysis confirms neuroblast origin and highlights neuroblastoma candidate genes by K De Preter, J Vandesompele, P Heimann, N...

Positional gene enrichment analysis of gene sets for high-resolution identification of overrepresented chromosomal regions

De Preter, Katleen, Barriot, Roland, Speleman, Frank, Vandesompele, Jo, Moreau, Yves

The search for feature enrichment is a widely used method to characterize a set of genes. While several tools have been designed for nominal features such as Gene Ontology annotations or KEGG...

A Constitutional Translocation t(1;17)(p36.2;q11.2) in a Neuroblastoma Patient Disrupts the Human NBPF1 and ACCN1 Genes

Vandepoele, Karl, Andries, Vanessa, Van Roy, Nadine, Staes, Katrien, Vandesompele, Jo, Laureys, Geneviève, ...

The human 1p36 region is deleted in many different types of tumors, and so it probably harbors one or more tumor suppressor genes. In a Belgian neuroblastoma patient, a constitutional balanced...

High-throughput stem-loop RT-qPCR miRNA expression profiling using minute amounts of input RNA

Mestdagh, Pieter, Feys, Tom, Bernard, Nathalie, Guenther, Simone, Chen, Caifu, Speleman, Frank, ...

MicroRNAs (miRNAs) are an emerging class of small non-coding RNAs implicated in a wide variety of cellular processes. Research in this field is accelerating, and the growing number of miRNAs...

RDML: structured language and reporting guidelines for real-time quantitative PCR data

Lefever, Steve, Hellemans, Jan, Pattyn, Filip, Przybylski, Daniel R., Taylor, Chris, Geurts, René, ...

The XML-based Real-Time PCR Data Markup Language (RDML) has been developed by the RDML consortium (http://www.rdml.org) to enable straightforward exchange of qPCR data and related information between...

RTPrimerDB: the portal for real-time PCR primers and probes

Lefever, Steve, Vandesompele, Jo, Speleman, Frank, Pattyn, Filip

RTPrimerDB (http://www.rtprimerdb.org) is a freely accessible database and analysis tool for real-time quantitative PCR assays. RTPrimerDB includes records with user submitted assays that are linked...

The emerging molecular pathogenesis of neuroblastoma: implications for improved risk assessment and targeted therapy

Van Roy, Nadine, De Preter, Katleen, Hoebeeck, Jasmien, Van Maerken, Tom, Pattyn, Filip, Mestdagh, Pieter, ...

Neuroblastoma is one of the most common solid tumors of childhood, arising from immature sympathetic nervous system cells. The clinical course of patients with neuroblastoma is highly variable,...

A novel and universal method for microRNA RT-qPCR data normalization

Mestdagh, Pieter, Van Vlierberghe, Pieter, De Weer, An, Muth, Daniel, Westermann, Frank, Speleman, Frank, ...

The mean expression value: a new method for accurate and reliable normalization of microRNA expression data from RT-qPCR experiments.

Widespread Dysregulation of MiRNAs by MYCN Amplification and Chromosomal Imbalances in Neuroblastoma: Association of miRNA Expression with Survival

Bray, Isabella, Bryan, Kenneth, Prenter, Suzanne, Buckley, Patrick G., Foley, Niamh H., Murphy, Derek M., ...

MiRNAs regulate gene expression at a post-transcriptional level and their dysregulation can play major roles in the pathogenesis of many different forms of cancer, including neuroblastoma, an often...