The Impact of PPARγ Genetic Variants on IBD Susceptibility and IBD Disease Course

PPARγ is a nuclear receptor that regulates numerous pathways including cytokine expression and immune responses and plays an important role in controlling colon inflammation. We aimed at determining the occurring PPARγ SNPs, at predicting the haplotypes, and at determining the frequency outcome in i...

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Main Authors: Jessica Mwinyi, Christa Grete-Wenger, Jyrki J. Eloranta, Gerd A. Kullak-Ublick
Format: Article
Language:English
Published: Wiley 2012-01-01
Series:PPAR Research
Online Access:http://dx.doi.org/10.1155/2012/349469
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author Jessica Mwinyi
Christa Grete-Wenger
Jyrki J. Eloranta
Gerd A. Kullak-Ublick
author_facet Jessica Mwinyi
Christa Grete-Wenger
Jyrki J. Eloranta
Gerd A. Kullak-Ublick
author_sort Jessica Mwinyi
collection DOAJ
description PPARγ is a nuclear receptor that regulates numerous pathways including cytokine expression and immune responses and plays an important role in controlling colon inflammation. We aimed at determining the occurring PPARγ SNPs, at predicting the haplotypes, and at determining the frequency outcome in inflammatory bowel disease (IBD) patients in comparison with healthy controls. We determined genetic variants in the coding exons and flanking intronic sequences of the NR1C3 gene in 284 IBD patients and 194 controls and predicted NR1C3 haplotypes via bioinformatic analysis. We investigated whether certain NR1C3 variants are associated with susceptibility to IBD or its disease course. None of the detected 22 NR1C3 variants were associated with IBD. Two variants with allelic frequencies over 1% were included in haplotype/diplotype analyses. None of the NR3C1 haplotypes showed association with IBD development or disease course. We conclude that NR1C3 haplotypes are not related to IBD susceptibility or IBD disease activity.
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spelling doaj-art-5f5713a252e7481b9ccd7e211020c13f2025-02-03T07:24:44ZengWileyPPAR Research1687-47571687-47652012-01-01201210.1155/2012/349469349469The Impact of PPARγ Genetic Variants on IBD Susceptibility and IBD Disease CourseJessica Mwinyi0Christa Grete-Wenger1Jyrki J. Eloranta2Gerd A. Kullak-Ublick3Department of Clinical Pharmacology and Toxicology, University Hospital Zurich, Raemistrasse 100, 8091 Zurich, SwitzerlandDepartment of Clinical Pharmacology and Toxicology, University Hospital Zurich, Raemistrasse 100, 8091 Zurich, SwitzerlandDepartment of Clinical Pharmacology and Toxicology, University Hospital Zurich, Raemistrasse 100, 8091 Zurich, SwitzerlandDepartment of Clinical Pharmacology and Toxicology, University Hospital Zurich, Raemistrasse 100, 8091 Zurich, SwitzerlandPPARγ is a nuclear receptor that regulates numerous pathways including cytokine expression and immune responses and plays an important role in controlling colon inflammation. We aimed at determining the occurring PPARγ SNPs, at predicting the haplotypes, and at determining the frequency outcome in inflammatory bowel disease (IBD) patients in comparison with healthy controls. We determined genetic variants in the coding exons and flanking intronic sequences of the NR1C3 gene in 284 IBD patients and 194 controls and predicted NR1C3 haplotypes via bioinformatic analysis. We investigated whether certain NR1C3 variants are associated with susceptibility to IBD or its disease course. None of the detected 22 NR1C3 variants were associated with IBD. Two variants with allelic frequencies over 1% were included in haplotype/diplotype analyses. None of the NR3C1 haplotypes showed association with IBD development or disease course. We conclude that NR1C3 haplotypes are not related to IBD susceptibility or IBD disease activity.http://dx.doi.org/10.1155/2012/349469
spellingShingle Jessica Mwinyi
Christa Grete-Wenger
Jyrki J. Eloranta
Gerd A. Kullak-Ublick
The Impact of PPARγ Genetic Variants on IBD Susceptibility and IBD Disease Course
PPAR Research
title The Impact of PPARγ Genetic Variants on IBD Susceptibility and IBD Disease Course
title_full The Impact of PPARγ Genetic Variants on IBD Susceptibility and IBD Disease Course
title_fullStr The Impact of PPARγ Genetic Variants on IBD Susceptibility and IBD Disease Course
title_full_unstemmed The Impact of PPARγ Genetic Variants on IBD Susceptibility and IBD Disease Course
title_short The Impact of PPARγ Genetic Variants on IBD Susceptibility and IBD Disease Course
title_sort impact of pparγ genetic variants on ibd susceptibility and ibd disease course
url http://dx.doi.org/10.1155/2012/349469
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