國家衛生研究院 NHRI:Item 3990099045/4519
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    Please use this identifier to cite or link to this item: http://ir.nhri.org.tw/handle/3990099045/4519


    Title: Modification effects of GSTM1, GSTT1 and CYP2E1 polymorphisms on associations between raw salted food and incomplete intestinal metaplasia in a high-risk area of stomach cancer
    Authors: Chen, SY;Liu, TY;Shun, CT;Wu, MS;Lu, TH;Lin, JT;Sheu, JC;Santella, RM;Chen, CJ
    Contributors: Division of Biostatistics and Bioinformatics
    Abstract: Incomplete intestinal metaplasia (IM) is a precursor of stomach cancer. To identify risk factors of incomplete IM, a 2-stage survey was carried out in 1995 among 1,485 residents in Matzu, an area with highest mortality from stomach cancer in Taiwan. There were 312 study subjects including 174 men and 138 women sampled for the gastroendoscopic examination of IM. Information on personal and familial history of stomach cancer, cigarette smoking, alcohol consumption and intake frequency of various salted food items were obtained by personal interview based on a structured questionnaire. Blood samples were collected from each participant. Four biopsies per subject were taken from all subjects at gastroendoscopic examination to diagnose the status of IM pathologically. The Helicobacter pylori in biopsies was de tected by the histomorphological or immunochemistry method, and antibodies against H. pylori in serum by the enzyme-linked immunosorbent assay. Plasma level of selenium was determined by atomic absorption spectrometry, plasma level of retinol, a-tocopherol, a-carotene, and P-carotene by high performance liquid chromatography, genotypes of glutathione s-transferase (GST) MI and TI and cytochrome P450 (CYP) 2EI by polymerase chain reaction. The significant association between history of stomach cancer among first-degree relatives and incomplete IM was found (odds ratio [OR] = 2.50; 95% confidence interval [CI] = 1.15-5.43). There was no association between H. pylori infection and incomplete IM. Alcohol drinkers for >20 years had an elevated risk compared to non-drinkers (OR = 3.34; 95% CI = 1.19-9.39). No associations between incomplete IM and plasma levels of selenium, retinol, alpha-tocopherol, alpha-carotene and beta-carotene were found. Salted food including salted meat, dehydrated salted vegetables and raw salted seafood consumed at ages of less than or equal to15 and 16-30 years old was associated with an increased IM risk with OR ranging from 2-3. More striking associations between incomplete IM and salted food intake were observed among subjects with genotypes of GSTMI null, GSTTI non-null and CYP2EI cl/cl. Our study suggests the importance of gene-environment interaction on the development of incomplete IM.
    Date: 2004-02
    Relation: International Journal of Cancer. 2004 Feb;108(4):606-612.
    Link to: http://dx.doi.org/10.1002/ijc.11535
    JIF/Ranking 2023: http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=NHRI&SrcApp=NHRI_IR&KeyISSN=0020-7136&DestApp=IC2JCR
    Cited Times(WOS): https://www.webofscience.com/wos/woscc/full-record/WOS:000187734600019
    Cited Times(Scopus): http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=0347417897
    Appears in Collections:[Shu-Yuan Chen(2001-2004)] Periodical Articles

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