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国际生理学与病理学期刊

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ISSN 打印: 2155-014X

ISSN 在线: 2155-0158

SJR: 0.116

Impact of Experimental Chronic Social Stress on Biliary Bile Acid Content in Male Rats

卷 9, 册 2, 2018, pp. 127-133
DOI: 10.1615/IntJPhysPathophys.v9.i2.40
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摘要

The biliary bile acid composition was examined in male rats subjected to experimental chronic social stress. It has been found that the concentration of conjugated bile acids in rat bile was significantly lower in stressed animals compared to that in the control group. Taurocholic acid concentration in bile of stressed animals was lower than that in the control group by 23.4−23.6%. Biliary concentration of chenodeoxycholic and deoxycholic taurine conjugate in stressed animals was lower by 18.9−23.14%, compared to the control group. Biliary concentration of bile acids conjugated with glycine in stressed male rats was also lower than that in the control group. In particular, glycocholic acid content was lower by 32.9−51.3%, and the concentration of glycochenodeoxycholic and glycodeoxycholic acids was lower by 33.8−55.7%. However, biliary concentrations of chenodeoxycholic and deoxycholic acids in stressed animal's bile were higher than in control samples by 19.8−25%. The most pronounced difference in biliary bile acid content between the male rats subjected to chronic social stress and that in the control group of rats was the emergence of lithocholic and taurolithocholic acids in the hepatic secret of stressed animal. We suggest that in male rats subjected to chronic social stress, synthesis, biotransformation, and transport of bile acids into the bile are inhibited. The role of chronic social stress in disorders of bile formation and the role of bile acids as bioactive regulatory compounds in occurrence and progression of stress-induced pathologies require further research.

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