Document Detail


A meta-analysis of the C1420T polymorphism in cytosolic serine hydroxymethyltransferase (SHMT1) among Caucasian colorectal cancer populations.
MedLine Citation:
PMID:  23322534     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
PURPOSE: Inconsistency of reported associations between the C1420T polymorphism in the cytosolic serine hydroxymethyltransferase (SHMT1) gene and colorectal cancer (CRC) prompted us to undertake a meta-analysis. METHODS: We conducted searches of published literature in MEDLINE through PubMed up to April 2012. Individual data on 5,043 cases and 6,311 controls from 15 published case-control studies were evaluated. Meta-analyses were performed on the compiled dataset. RESULTS: In the overall analysis, association was lacking between the C1420T polymorphism and CRC risk (odds ratio [OR] 0.96-1.04, p = 0.47-0.77), materially unchanged when reanalyzed without the Hardy-Weinberg equilibrium-deviating studies (OR 1.03-1.09, p = 0.22-0.55) or subjected to outlier treatment (OR 0.89-0.99, p = 0.10-0.8). In the ethnic subgroups, Europeans were susceptible (OR 1.11-1.17, p = 0.13-0.48) and Americans, slightly protected (OR 0.86-0.87, p = 0.49-0.61). The increased risk effects, however, became null following outlier treatment (OR 0.95-1.06). Test for interaction between decreased risk associations in the low-folate subgroup (OR 0.60-0.85, p = 0.009-0.03) with the susceptible effects in the high-folate category (OR 1.14-1.22, p = 0.19-0.32) was significant (p (interaction) = 0.004). CONCLUSIONS: Overall summary estimates imply no associations but suggest geography-specific effects of the SHMT1 polymorphism that render Europeans susceptible, but not Americans. Folate status appears to show an inverse association of this polymorphism with CRC.
Authors:
Noel Pabalan; Hamdi Jarjanazi; Hilmi Ozcelik
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2013-1-16
Journal Detail:
Title:  International journal of colorectal disease     Volume:  -     ISSN:  1432-1262     ISO Abbreviation:  Int J Colorectal Dis     Publication Date:  2013 Jan 
Date Detail:
Created Date:  2013-1-16     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8607899     Medline TA:  Int J Colorectal Dis     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Affiliation:
Center for Research and Development, Angeles University Foundation, Angeles City, 2009, Philippines.
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