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青蛙(欧洲林蛙)肝脏中3-巯基丙酮酸硫转移酶活性的季节性变化。

Seasonal variation in the activity of 3-mercaptopyruvate sulphurtransferase of the frog (Rana temporaria) liver.

作者信息

Wróbel M, Frendo J

机构信息

Institute of Medical Biochemistry, Medical Academy, Kraków, Poland.

出版信息

Comp Biochem Physiol B. 1993 May;105(1):91-5. doi: 10.1016/0305-0491(93)90173-3.

DOI:10.1016/0305-0491(93)90173-3
PMID:8504641
Abstract
  1. Annual changes in the mitochondrial and cytosolic activity of MPST, GDH as a mitochondrial marker, and total protein content, were studied in frog (Rana temporaria) liver cells. 2. The variation in the MPST activity in mitochondria, regardless of the sex of the studied animals, is evidently under the influence of the thyroid gland activity, oxygen consumption and ambient temperature. 3. In the cytosol of the frog liver cells, seasonal changes of MPST specific activity seemed to be related to the production of mitochondrial iron-sulphur protein and to the protein-dependent metabolism during the fasting period.
摘要
  1. 研究了青蛙(林蛙)肝细胞中线粒体和胞质中MPST(巯基丙酮酸硫转移酶)的活性、作为线粒体标志物的GDH(谷氨酸脱氢酶)以及总蛋白含量的年度变化。2. 无论所研究动物的性别如何,线粒体中MPST活性的变化显然受甲状腺活动、耗氧量和环境温度的影响。3. 在青蛙肝细胞的胞质中,MPST比活性的季节性变化似乎与线粒体铁硫蛋白的产生以及禁食期蛋白质依赖性代谢有关。

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