Evidence map›Paper›PMID 19673019›Full record

ArticleWorld journal of gastroenterology2009

IL-10 and TNF-alpha promoter haplotypes are associated with childhood Crohn's disease location.

Rocio Sanchez, Emile Levy, Florin Costea, Daniel Sinnett

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Article in World journal of gastroenterology, 2009. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 26 papers, 4 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
26citing papers in PubMed, 4 pooled it
–field-weighted citation impact
1 · What the graph read from it

What it found

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2 · The registry

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Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

26 citing papers in PubMed, 4 syntheses or guidelines pooled it.

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  18. Interaction ofImmunology and infectious diseases · 2013
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

4 authors.

Rocio SanchezResearch Center, Sainte-Justine University Health Center, Montreal H3T 1C5, Canada.
Emile Levy
Florin Costea
Daniel Sinnett

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

aimTo determine the distribution and frequencies of the genotypes and haplotypes of the genes encoding for the glucocorticoid receptor (GR), the tumor necrosis factor (TNF)-alpha and the interleukin (IL)-10 in childhood Crohn's disease (CD) and to assess the impact of the corresponding DNA variants on clinical and disease phenotypes.

methodsTen variants in GR, TNF-alpha and IL-10 were genotyped in 113 childhood CD cases and 95 healthy subjects, both of French-Canadian origin.

resultsFor the GR polymorphisms (R23K and N363S) and IL-10 variants in the 5'flanking region (-1082 G > A, -819 T > C and -592 A > C), no difference was observed in allele and genotype frequencies between CD patients and controls. At the haplotype level, we found three IL-10 haplotypes previously described in Caucasians (GCC, ACC and ATA) and three novel haplotypes only present in IBD patients. When we analyzed the haplotype distribution with the anatomical location of the disease, the GCC haplotype was associated with the colonic and the ACC haplotype with the terminal ileum location, respectively. The genotyping of five polymorphisms in the promoter region of the TNF-alpha gene (-1031 T > C, -863 A > C, -857 T > C, -308 A > G and -238 A > G) revealed a significant overrepresentation of homozygous -1031 CC among CD patients (OR = 9.9) and an association with the colonic location. For TNF-alpha, eleven haplotypes were inferred, including two frequent ones, TCCGG and CACGG, which were significantly observed more frequently in controls and cases, respectively.

conclusionThis is one of the first studies investigating the association between haplotype structure and disease location in a CD pediatric cohort. Our results will help to increase our understanding of the genetic determinants of childhood CD.

Indexed as

Crohn DiseaseHaplotypesPromoter Regions, GeneticAdolescentChildChild, PreschoolFemaleGenetic Predisposition to DiseaseGenotypeHumansInterleukin-10Linkage DisequilibriumMaleTumor Necrosis Factor-alphaYoung AdultInterleukin-10Tumor Necrosis Factor-alpha

Identifiers

PMID19673019
PMCPMC2726456

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.