Regulation of intracellular protein degradation by insulin and growth factors

Ballard, F.J.; Nield, M.K.; Francis, G.L.; Knowles, S.E.

Acta Biologica et Medica Germanica 40(10-11): 1293-1300

1981


ISSN/ISBN: 0001-5318
PMID: 6282020
Document Number: 178935
Protein breakdown in many cell lines is inhibited by growth factors. The response is specific, rapid and additive only at suboptimal concentrations. Transformed cells are typically more sensitive to growth factors than nontransformed cells while the effectiveness of growth factors in human fibroblasts is diminished with senescence. Bovine colostrum has been shown to be an extremely rich source of growth factors as compared to serum.

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