Research Topics
Genomes and Genes
| A S PenaSummaryAffiliation: VU University Medical Center Country: The Netherlands Publications
| Collaborators
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Detail Information
Publications
Acquired homotypic and heterotypic immunity against oculogenital Chlamydia trachomatis serovars following female genital tract infection in miceJoseph M Lyons
Department of Infectious Diseases, City of Hope National Medical Center and Beckman Research Institute, Duarte, California 91010, USA
BMC Infect Dis 5:105. 2005..trachomatis belonging to two serovars (D and H) that have been shown to vary significantly in the course of infection in the murine model...
Do host genetic traits in the bacterial sensing system play a role in the development of Chlamydia trachomatis-associated tubal pathology in subfertile women?Janneke E den Hartog
Research Institute Growth and Development GROW and Department of Obstetrics and Gynaecology, Academic Hospital Maastricht, P, O, Box 5800, 6202 AZ Maastricht, The Netherlands
BMC Infect Dis 6:122. 2006..trachomatis infection. The genes studied all encode for pattern recognition receptors (PRRs) involved in sensing bacterial components...
Genetic factors underlying gluten-sensitive enteropathyA S Pena
Department of Gastroenterology, Vrije Universiteit Medical Center, PO Box 7057, 1007 MB Amsterdam, The Netherlands
Curr Allergy Asthma Rep 1:526-33. 2001..The exact role of these additional genes (i.e., whether they are involved in the initiation or the progression of the disease) remains to be determined...
Genetics of inflammatory bowel diseases--past, present, and futureA S Pena
Gastroenterology and Immunogenetics, VU University Medical Center, Amsterdam, The Netherlands
Dig Dis 21:85-90. 2003..The genome-wide screening has led to the first gene of IBD and has given a new insight into the regulation of chronic inflammation. The future of IBD will be under scrutiny of the visionaries, but also the skeptics and the enthusiasts...
Probiotics: Isolated bacteria strain or mixtures of different strains? Two different approaches in the use of probiotics as therapeuticsO Karimi
Laboratory of Immunogenetics and Department of Gastroenterology, VU University Medical Center, Amsterdam, The Netherlands
Drugs Today (Barc) 39:565-97. 2003..Finally, with a view to future perspectives we provide some examples of probiotics that are being assessed and have great potential in improving the health of animals and man...
Contribution of genetics to a new vision in the understanding of inflammatory bowel diseaseA S Pena
VU University Medical Centre, Head, Department of Gastroenterology, 1007 MB Amsterdam, The Netherlands
World J Gastroenterol 12:4784-7. 2006..On a world scale, a major challenge is to generate interventions to prevent the development of these diseases in Asia, Latin America and Africa...
Genetic susceptibility and regulation of inflammation in Crohn's disease. Relationship with the innate immune systemA S Pena
Department of Gastroenterology, Laboratory of Inmunogenetics, University Medical Center, P O Box 7057, 1007 MB Amsterdam, The Netherlands
Rev Esp Enferm Dig 94:351-60. 2002
[Intestinal flora, probiotics, prebiotics, symbiotics and novel foods]A S Pena
Immunogenetics, Department of Pathology, VU University Medical Centre, De Boelelaan 117, Amsterdam, Netherlands
Rev Esp Enferm Dig 99:653-8. 2007
[Alpha]B-crystallin genotype has impact on the multiple sclerosis phenotypeT van Veen
Department of Neurology, VU University Medical Center, Amsterdam, The Netherlands
Neurology 61:1245-9. 2003..Alpha]B-crystallin is a candidate autoantigen in MS, and there are three polymorphisms in the promoter region of the encoding gene (CRYAB): at positions -C249G, -C650G, and -A652G...
Association of FAS (TNFRSF6)-670 gene polymorphism with villous atrophy in coeliac diseaseJing Wu
VU University Medical Centre, Department of Gastroenterology, Laboratory of Immunogenetics, P O Box 7057, 1007 MB Amsterdam, The Netherlands
World J Gastroenterol 10:717-20. 2004..To investigate the association of FAS gene polymorphism with coeliac disease (CD) development...
No evidence for involvement of the Toll-like receptor 4 (TLR4) A896G and CD14-C260T polymorphisms in susceptibility to ankylosing spondylitisM van der Paardt
Jan van Breemen Institute, VU University Medical Centre, 1007 MB Amsterdam, The Netherlands
Ann Rheum Dis 64:235-8. 2005..CD14 and Toll-like receptor 4 (TLR4) are key receptors for the sensing of bacteria. The CD14 C-260T and TLR4 A896G single nucleotide polymorphims are associated with aberrant signal transduction for bacterial agonists...
Susceptibility to ankylosing spondylitis: no evidence for the involvement of transforming growth factor beta 1 (TGFB1) gene polymorphismsM van der Paardt
The Jan van Breemen Institute, VU University Medical Centre, PO Box 7057, 1007 MB Amsterdam, Netherlands
Ann Rheum Dis 64:616-9. 2005..Transforming growth factor beta 1 (TGF beta 1) is a multifunctional cytokine that plays a key role in inflammation. Two functional single nucleotide polymorphisms (SNPs) in the TGFB1 gene have been described: TGFB1 T869C and TGFB1 G915C...
Definition of polymorphisms and haplotypes in the interleukin-12B gene: association with IL-12 production but not with Crohn's diseaseA Zwiers
Laboratory of Immunogenetics, Vrije Universiteit Medical Center, Van der Boechorststraat 7, 1081 BT Amsterdam, The Netherlands
Genes Immun 5:675-7. 2004..The high level of conservation is consistent with the key regulatory role of IL-12. The lack of association with IL12B makes it unlikely that this gene is directly involved in the susceptibility to CD...
CARD15 gene mutations are not associated with ankylosing spondylitisM van der Paardt
The Jan van Breeman Institute, Vrije Universiteit Medical Centre, Amsterdam, The Netherlands
Genes Immun 4:77-8. 2003..36, 95% CI: 0.27-6.84, P = 0.70 and OR = 0.58; 95% CI: 0.18-1.94; P = 0.38, respectively. We conclude that the insertion 3020insC mutation and the G2722C missense mutation in the CARD15 gene are not involved in the susceptibility to AS...
Cytokine gene polymorphisms and the risk of adenocarcinoma of the stomach in the European prospective investigation into cancer and nutrition (EPIC-EURGAST)J B A Crusius
Laboratory of Immunogenetics, Department of Pathology, VU University Medical Center, Amsterdam, The Netherlands
Ann Oncol 19:1894-902. 2008..The relative contribution to gastric cancer (GC) risk of variants in genes that determine the inflammatory response remains mostly unknown and results from genotyping studies are inconsistent...
TLR2 haplotypes in the susceptibility to and severity of Chlamydia trachomatis infections in Dutch womenO Karimi
Laboratory of Immunogenetics, Department of Pathology, VU University Medical Center, Amsterdam 1007MB, The Netherlands
Drugs Today (Barc) 45:67-74. 2009..021) in increasing severity of C. trachomatis infections (asymptomatic > symptomatic > tubal pathology) suggesting a protective effect of this haplotype against the development of late complications...
Genetic correlations of brain lesion distribution in multiple sclerosis: an exploratory studyM H Sombekke
VU University Medical Center, Department of Neurology, De Boelelaan 1117, 1081 HV Amsterdam, The Netherlands
AJNR Am J Neuroradiol 32:695-703. 2011..We hypothesized that spatial distribution may be partially driven by genetic predisposition, and we aimed to explore relations among candidate genes and the spatial distribution of white matter brain lesions in MS...
Genetic and serological markers to identify phenotypic subgroups in a Dutch Crohn' s disease populationR K Linskens
Department of Gastroenterology, VU Medical Center, Amsterdam, The Netherlands
Dig Liver Dis 36:29-34. 2004..Perinuclear anti-neutrophil cytoplasmic antibodies have been found in a subgroup of Crohn's disease patients, mostly with colonic involvement...
IL12B and IRF1 gene polymorphisms and susceptibility to celiac diseaseD Seegers
Department of Immunogenetics, Vrije Universiteit Medical Center, Amsterdam, The Netherlands
Eur J Immunogenet 30:421-5. 2003..The IL12B TaqI and the IRF1 HinfI gene polymorphisms do not appear to be involved in susceptibility to CD. Further studies on the factors that drive the Th1 immunopathology in CD are required...
TLR9 KO mice, haplotypes and CPG indices in Chlamydia trachomatis infectionS Ouburg
Laboratory of Immunogenetics, Department of Pathology, VU University Medical Center, 1081HV Amsterdam, The Netherlands
Drugs Today (Barc) 45:83-93. 2009..trachomatis infections. Extension of the human cohorts is necessary to significantly prove the effect in humans...
A new avenue to investigate: the autophagic process. From Crohn's disease to ChlamydiaA S Pena
Laboratory of Immunogenetics, Department of Pathology, VU University Medical Center, 1007 MB Amsterdam, The Netherlands
Drugs Today (Barc) 45:113-7. 2009..trachomatis is affected by this pathway...
CARD15 gene mutations in periodontitisM L Laine
Department of Basic Dental Sciences, Section Clinical Periodontal Microbiology, ACTA Amsterdam, The Netherlands
J Clin Periodontol 31:890-3. 2004..Our aim was to investigate the occurrence of CARD15 gene polymorphisms in adult patients with periodontitis taking into account smoking and presence of putative periodontal pathogens as additional variables...
CD14 and TLR4 gene polymorphisms in adult periodontitisM L Laine
Department of Periodontology, Section of Oral Microbiology, Academic Centre for Dentistry Amsterdam, Van der Boechorsstraat 7, 1081 BT Amsterdam, The Netherlands
J Dent Res 84:1042-6. 2005..004, OR 3.0, 95% CI 1.4-6.9). We conclude that the CD14-260T/T genotype contributes to the susceptibility to severe periodontitis in Dutch Caucasians...
Polymorphisms in the genes encoding interferon-gamma and interferon-gamma receptors in multiple sclerosisH M Schrijver
Department of Neurology, University Medical Center Utrecht, The Netherlands
Eur J Immunogenet 31:133-40. 2004..The IFNGR1 and IFNGR2 gene polymorphisms studied do not exert an important influence on MS susceptibility, but allele IFNGR2*Arg64 may be associated with a progressive disease onset...
Interleukin-1beta and interleukin-1 receptor antagonist gene polymorphisms in ankylosing spondylitisM van der Paardt
The Jan van Breemen Institute, Amsterdam, The Netherlands
Rheumatology (Oxford) 41:1419-23. 2002....
Description of the ICTI consortium: an integrated approach to the study of Chlamydia trachomatis infectionS A Morre
Laboratory of Immunogenetics, Department of Pathology, VU University Medical Center, Amsterdam, The Netherlands
Drugs Today (Barc) 42:107-14. 2006..trachomatis infection. A background of the need for this integrated approach is presented and the goals and participants of the consortium are described...
The EU FP6 EpiGenChlamydia Consortium: contribution of molecular epidemiology and host-pathogen genomics to understanding Chlamydia trachomatis-related diseaseS A Morre
Laboratory of Immunogenetics, Department of Pathology, VU University Medical Center, 1081HV Amsterdam, The Netherlands
Drugs Today (Barc) 45:7-13. 2009..trachomatis infection and its complications. This review summarizes the consortium aims and progress, and future perspectives and directions...
Current methods to diagnose the unresponsive and complicated forms of coeliac diseaseM Hadithi
Department of Gastroenterology, Maasstad Hospital, Postbus 9119, Rotterdam, The Netherlands
Eur J Intern Med 21:247-53. 2010..We review the available tools that now exist and their indications that can be practiced in a modern clinical setting for the diagnosis of the complicated forms of this disease...
The FAS-670 polymorphism influences susceptibility to multiple sclerosisT van Veen
Department of Neurology, VU Medical Centre, De Boelelaan 1117, 1007 MB, Amsterdam, The Netherlands
J Neuroimmunol 128:95-100. 2002..We observed similar brain and lesion volumes in carriers and noncarriers of FAS-670*G. These data suggest that FAS-670*G decreases the risk of developing MS, but does not affect the course of disease...
An integrated approach to the understanding of Chlamydia infections: Introduction to the 2009 updateS A Morréé
Laboratory of Immunogenetics, Department of Pathology, VU University Medical Center, 1081HV Amsterdam, The Netherlands
Drugs Today (Barc) 45:3-5. 2009..trachomatis, C. psittaci and C. pneumoniae, predominantly presented at the 4th and 5th AACM, are summarized in this second Drugs of Today supplement, as well as timely mini-reviews of the advances made in the field...
