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首页> 外文期刊>Chinese journal of digestive diseases >Effect of short-chain fatty acids on the proliferation and differentiation of the human colonic adenocarcinoma cell line Caco-2
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Effect of short-chain fatty acids on the proliferation and differentiation of the human colonic adenocarcinoma cell line Caco-2

机译:短链脂肪酸对人结肠腺癌细胞Caco-2增殖和分化的影响

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OBJECTIVE: Short-chain fatty acids (SCFA) in the colon may maintain colonocyte differentiation and oppose carcinogenesis. The purpose of this study was to investigate the effects of three SCFA, butyrate, propionate and acetate, on the differentiation, proliferation, and matrix interactions of the Caco-2 human colonic adenocarcinoma cell line.METHODS: Differentiation was assessed by brush border enzyme expression and the doubling time (proliferation) was calculated directly from serial cell counts and by the logarithmic transformation method. Cell motility (migration) was quantitated by the expansion of a confluent Caco-2 monolayer (after release from a constraining fence) across bacteriologic plastic dishes precoated with saturating concentrations of type Icollagen. Results were expressed as mean +- SE and were analyzed by ANOVA and Bonferroni's modified t-test.RESULTS: All three SCFA studied altered the Caco-2 phenotype. Treatment with 10 mmol SCFA significantly prolonged the cell doubling time, promoted brush border enzyme expression (cathepsin C), and inhibited the motility of the Caco-2 cells.
机译:目的:结肠中的短链脂肪酸(SCFA)可能维持结肠细胞分化并阻止癌变。本研究的目的是研究丁酸,丙酸和乙酸三种SCFA对Caco-2人结肠腺癌细胞系的分化,增殖和基质相互作用的影响。方法:通过刷缘酶表达评估分化直接从连续细胞计数和对数转换方法计算倍增时间(增殖)。细胞活力(迁移)通过铺满饱和浓度的Icollagen类型的细菌性塑料皿上的融合Caco-2单层(从约束栅栏释放后)的扩展来定量。结果表示为平均值±SE,并通过ANOVA和Bonferroni的改良t检验进行分析。结果:所有三个SCFA研究均改变了Caco-2表型。用10 mmol SCFA处理可显着延长细胞倍增时间,促进刷状缘酶表达(组织蛋白酶C),并抑制Caco-2细胞的运动。

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