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    請使用永久網址來引用或連結此文件: http://ir.nhri.org.tw/handle/3990099045/4429


    題名: Functional polymorphisms of CD14 and toll-like receptor 4 in Taiwanese Chinese with Helicobacter pylori-related gastric malignancies
    作者: Wu, MS;Cheng, TY;Shun, CT;Lin, MT;Chen, LC;Lin, JT
    貢獻者: National Institute of Cancer Research
    摘要: Background/Aims: Interindividual differences in degrees and extent of gastritis are responsible for the divergent outcomes after H. pylori infection. Cellular responses in gastric inflammation are mediated by lipopolysaccharide of H. pylori, which activate monocytes to express cytokine expression and growth factors via CD14 and toll-like receptor 4 (TLR4). Whether functional polymorphisms of TLR 4 and CD14 account for H. pylori-related gastric malignancies remains unknown. This study aimed to investigate the contribution of CD14 and TLR4 genotypes to the risk of H. pylori-related gastric malignancies in a Chinese population. Methodology: Genotyping for CD14 (-159C/T) and TLR4 (Asp 299Gly and Thr 399Ile) was performed in 70 patients with gastric mucosa-associated lymphoid tissue lymphoma (MALToma), 204 patients with non-cardia gastric adenocarcinoma (GAC), and 210 unrelated healthy controls. Distribution of genotype and allele frequencies among three groups was compared. Results: The seropositive rate of H. pylori was significantly higher for non-cardia GAC (164/204, 80.4%) and MALToma (66/70, 94.3%) than controls (120/210, 57.5%, p < 0.001). A complete absence of Gly or Ile variants was noted for all the studied subjects. The genotype frequencies of CD14 in controls were C/C, 25.7%, C/T, 48.6%, and T/T, 25.7%, and did not deviate from the Hardy-Weinberg equilibrium. The distribution of CD14 genotype did not differ significantly among GAC, MALToma patients, and controls. Conclusions: These data suggest no apparent association of CD14 polymorphisms with H. pylori-related gastric malignancy and provide evidence for racespecific distribution of TLR4 alleles in Chinese population.
    日期: 2006-09
    關聯: Hepato-Gastroenterology. 2006 Sep-Oct;53(71):807-810.
    Link to: http://www.ncbi.nlm.nih.gov/pubmed/17086894
    Cited Times(WOS): https://www.webofscience.com/wos/woscc/full-record/WOS:000241634500034
    Cited Times(Scopus): http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=33750584522
    顯示於類別:[陳立宗] 期刊論文

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