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FSH stimulation of cytosolic protein synthesis in cultured pig sertoli cells

Authors
Journal
Journal of Steroid Biochemistry
0022-4731
Publisher
Elsevier
Publication Date
Volume
22
Issue
2
Identifiers
DOI: 10.1016/0022-4731(85)90125-6
Disciplines
  • Biology
  • Chemistry

Abstract

Abstract The effects of FSH on the cytosolic protein synthesis by a primary culture of immature porcine Sertoli cells were studied. Cells were cultured in a chemically-defined medium for 3 days and, on day 3, they were incubated for 40 h in another medium containing labelled amino-acids either in the presence or absence of 50ng/ml porcine FSH (pFSH). In control cells, about 107 spots (pI in the range of 5 to 8) were identified by a two-dimensional polyacrylamide gel electrophoresis of the radiolabelled cytosolic proteins. pFSH treatment produced a marked increase of seven proteins whose molecular weights and isoelectric points are respectively comprised between 25 to 58 K and 5.5 to 5.8. In addition, pFSH treatment induced a slight but constant increase of two other proteins (mol. wt: 24 and 12 K and isoelectric point: 5.3).

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