Document Detail

Polymorphism of THBS1 rs1478604 A>G in 5-Untranslated Region Is Associated with Lymph Node Metastasis of Gastric Cancer in a Southeast Chinese Population.
MedLine Citation:
PMID:  22011138     Owner:  NLM     Status:  Publisher    
Thrombospondin-1 plays an important role in cancer development and progression. This study investigated if a correlation exists between single-nucleotide polymorphisms (SNPs) in the Thrombospondin-1 gene (THBS1) and gastric cancer. We conducted a case-control study on a randomly recruited population of 283 patients and 283 healthy individuals from the city of Fuzhou in Southeast China. Individuals were genotyped for four SNPs (rs1478604 A>G, rs2228261 C>T, rs2292305 T>C, and rs3743125 C>T) in THBS1 using matrix-assisted laser desorption/ionization time-of-flight mass spectrometry. THBS1 genotypic distributions between the case and control groups were tested for correlations with cancer development. Comparisons between the case and control groups showed no significant differences in the genotypic distributions of rs1478604 A>G, rs2228261 C>T, and rs3743125 C>T. However, we found a statistically significant association between homozygous CC of THBS1 rs2292305 T>C and development of highly differentiated carcinoma (HDC). The rs1478604 A>G variant was found to be associated with invasion and lymph node metastasis in gastric cancer. After logistic regression and stratification analysis, rs1478604 A>G was more strongly associated with lymph node metastasis in HDC gastric cancer. The power to detect an effect for rs1478604 A>G in HDC was 90%. These findings indicate that the THBS1 rs1478604 A>G variant is linked with differential risks for gastric cancer nodal metastasis. These results support further investigation of THBS1 as a potential therapeutic target in gastric cancer.
Xian-Dong Lin; Shu-Qin Chen; Yuan-Lin Qi; Jin-Wei Zhu; Yang Tang; Jian-Yin Lin
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2011-10-19
Journal Detail:
Title:  DNA and cell biology     Volume:  -     ISSN:  1557-7430     ISO Abbreviation:  -     Publication Date:  2011 Oct 
Date Detail:
Created Date:  2011-10-20     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9004522     Medline TA:  DNA Cell Biol     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
1 Key Laboratory of Ministry of Education for Gastrointestinal Cancer, Research Center of Molecular Medicine, Fujian Medical University , Fuzhou, China .
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