Changes in activities of glucose metabolising enzymes in germ cells during spermatogenesis in rats

M. Nakamura, A. Fujiwara, I. Yasumasu

研究成果: Article査読

1 被引用数 (Scopus)

抄録

The rate of 14CO2 liberation from [14C-1]glucose was identical to that from [14C-6]glucose in spermatids, but more than the latter in spermatogonia. Rotenone (1 μM) completely inhibited 14CO2 release from [14C-1]glucose in spermatids, but decreased it only 30% in spermatogonia. The activity of glucose-6-phosphate dehydrogenase, but not 6-phosphogluconate dehydrogenase, was markedly lower in spermatocytes and spermatids than in spermatogonia. The activities of the glycolytic enzymes, glucosephosphate isomerase, fructose diphosphatase, glyceraldehyde-3-phosphate dehydrogenase and enolase, differed only slightly in spermatids and spermatogonia. It is concluded that the low glucose-6-phosphate dehydrogenase activity may contribute to the low activity of the pentose cycle in spermatocytes and spermatids.

本文言語English
ページ(範囲)281-287
ページ数7
ジャーナルDevelopment Growth and Differentiation
25
3
出版ステータスPublished - 1983
外部発表はい

ASJC Scopus subject areas

  • Cell Biology
  • Developmental Biology
  • Anatomy

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