Danchenko N M, Vesel'skyĭ S P, Tsudzevych B O
Ukr Biochem J. 2014 Nov-Dec;86(6):147-53.
The ratio of bile acids in the bile of rats with alloxan diabetes was investigated using the method of thin-layer chromatography. Changes of coefficients of conjugation and hydroxylation of bile acids were calculated and analyzed in half-hour samples of bile obtained during the 3-hour experiment. It has been found that the processes of conjugation of cholic acid with glycine and taurine are inhibited in alloxan diabetes. At the same time a significant increase of free threehydroxycholic and dixydroxycholic bile acids and conjugates of the latter ones with taurine has been registered. Coefficients of hydroxylation in alloxan diabetes show the domination of "acidic" pathway in bile acid biosynthesis that is tightly connected with the activity of mitochondrial enzymes.
采用薄层色谱法研究了四氧嘧啶糖尿病大鼠胆汁中胆汁酸的比例。在3小时实验期间获得的半小时胆汁样本中,计算并分析了胆汁酸的结合系数和羟基化系数。结果发现,四氧嘧啶糖尿病会抑制胆酸与甘氨酸和牛磺酸的结合过程。与此同时,游离的三羟基胆酸和二羟基胆酸以及后者与牛磺酸的结合物显著增加。四氧嘧啶糖尿病中的羟基化系数表明,胆汁酸生物合成中“酸性”途径占主导,这与线粒体酶的活性密切相关。