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大蒜素对胃上皮细胞Cx37 Cx43 mRNA表达及细胞间隙连接通讯功能的影响 |
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素抗肿瘤作用是通过多个途径完成的。本实验证实大蒜素在转录水平上调Cx 37基因在胃上皮细胞MGC-803的表达,恢复胃上皮细胞GJIC功能,提示大蒜素恢复细胞的GJIC可能与促进Cx 37的表达有关,大蒜素可通过上调GJIC功能进而调控细胞的增殖分化,证实GJIC是大蒜素抗肿瘤的靶点之一。 【参考文献】 1 Yamasaki H,Naus CG.Role of connexin genes in growth control.Carcinogenesis,1996,17:1199-1213.
2 Saito T,Nishimura M,Kudo R,et al.Suppressed gap junctional intercellular communication in carcinogenesis of endometrium.Int J Cancer,2001,93(3):317-323.
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4 Kolaja KL,Engelken DT,Klaassen CD.Inhibitionof gap-junctional-Intercell-ular communication in intact rat liver by nongenotoxic hepatocarcinogens.Toxicology,2000,146(1):15-22.
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7 Ren P,de-Feijter,AW,et al.Enhancement of liver cell gap junction protein expression by glucocorticoids.Carcinogenesis,1994,15(9):1807-1813.
8 李晓光,谢锦玉,李文梅,等.大蒜油对人胃癌细胞间通讯的影响.中国中医基础医学杂志,1998,4(2):40-42.
9 沈守荣,李伏娥,刘洋,等.细胞连接蛋白基因在胃癌中的表达、诱导及突变研究.中华消化杂志,2000,20(5):304-307.
10 施正专,沈守荣,邹益友,等.Cx基因在胃癌细胞中的表达及诱导分析.癌症,2000,19(5):423-425.
11 Huard C,Druesne N,Guyonnet D,et al.Diallyl disulfide (DADS) enhances gap-junctional intercellular communication by both direct and indirect mechanisms in rat liver cells.Carcinogenesis.2004,25(1):91-98. ) (编辑:宋 青)
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