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树鼩血清乳酸脱氢酶同工酶的研究

郑子修, 钟金颜   

  1. 江西省科学院生物资源研究所
  • 出版日期:2011-11-23 发布日期:2011-11-22

STUDY ON LACTATE DEHYDROGENASE ISOENZYME IN NORMAL SERUM OF TREE SHREW (TUPAIA BELANGERI CHINENSIS)

ZHENG Zixiu, ZHONG Jjnyan   

  1. Institute of Biological Resources, Jiangxi Academy of Science
  • Online:2011-11-23 Published:2011-11-22

摘要: 采用0.5%琼脂糖凝胶电泳技术对70例云南树鼩(Tupaia belangeri chinensis)正常血清乳酸脱氢酶(LDH)同工酶进行电泳分析。结果表明,树鼩血清乳酸脱氢酶呈现5种不同分子形式的同工酶表型。其LDH4至LDH1同工酶随电泳迁移率的增大依次趋于阳极端,LDH5同工酶移向阴极端。采用分光光度定量法分别测得雌雄个体血清LDH1—LDH55种不同分子形式同工酶的相对百分含量分别为17.9,14.5,20.6,19.7,27.4,和19.6,15.2,18.3,17.7,29.5,雌雄个体H/M亚基比率分别为0.78和0.79。

关键词: 树鼩, 乳酸脱氢酶同工酶, 琼脂糖凝胶电泳, 血清, 生物化学

Abstract: Lactate dehydrogenase (LDH, EC 1.1.1.27) catalyzes the reversible conversion of pyruvate to lactate and occurs virtually in all tissues. The five isoenzymes of lacteta dehydrogenase usually observed in all mammals are of tetramers formed by oombinations of two different subunits. The subunits are of two different kinds called A and B (or M and H) which are determined by separate gene loci on the chromosome.

Key words: Tree shrew, Tupaia belangeri chinensis, Lactate dehydrogenase isoenzyme, Agarose gel electophoresis, Serum, Biochemistry