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Biomedical subjects

L L Ewing

Publications and source records attributed to L L Ewing.

At least 109 records · Page 6Linked to original sources
PubMed1971

Follicle-stimulating hormone and the regulation of testosterone secretion in rabbit testes.

Regulation of testosterone secretion is presumably mediated by interstitial cell-stimulating hormone (ICSH). However, there is little information on the actions of other chemical messengers in regulating testosterone secretion. We have shown that follicle-stimulating hormone augments testosterone secretion stimuated by ICSH in rabbit testes perfused in vitro with an artificial medium.

Animals↗
PubMed1971

Protein phospholinase reactions in mammalian testis. Stimulatory effects of adenosine 3':5'-cyclic monophosphate on the phosphorylation of basic proteins.

The soluble fraction of rat testis homogenates is rich in enzymes catalysing the phosphorylation by ATP of many different proteins. The phosphorylation of certain histones, and also of a homogeneous basic protein from guinea-pig seminal-vesicle secretion, is markedly enhanced by 3':5'-cyclic AMP. Various factors affecting these reactions as catalysed by partially purified testicular enzyme preparations are described, and their possible physiological significance is discussed.

Adenosine Triphosphate↗