CHANGES IN CONCENTRATION OF PROSTAGLANDIN F AND STEROIDS IN HUMAN CORPORA LUTEA IN RELATION TO GROWTH OF THE CORPUS LUTEUM AND LUTEOLYSIS

in Journal of Endocrinology
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D. A. SHUTT
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A. H. CLARKE
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I. S. FRASER
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PAULINE GOH
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G. R. McMAHON
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D. M. SAUNDERS
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R. P. SHEARMAN
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Department of Obstetrics and Gynaecology, University of Sydney, NS. W. 2006, Australia

(Received 13 July 1976)

Prostaglandin F(PGF) secreted from the uterus exerts a luteolytic effect on the corpus luteum in a number of species of non-pregnant mammals (see review of Labhsetwar, 1974). This luteolytic mechanism has not been demonstrated in non-pregnant women (Lyneham, Korda, Shutt, Smith & Shearman, 1975). Nor were Leader, Bygdeman, Cekan, Diczfalusy, Guerrero, Martin & Wiqvist (1975) able to demonstrate an accelerative effect of intra-uterine 15 (S) 15-methyl PGF or an inhibitory effect of oral indomethacin on post-abortion luteolysis in women in early pregnancy. The presence of PGF receptors however, in human corpora lutea (Powell, Hammarström, Samuelsson & Sjöberg, 1974) suggested the possibility of a local production of PGF within the ovary being responsible for luteolysis in women, and Korda, Shutt, Smith, Shearman & Lyneham (1975) were able to obtain a transient luteolysis when 0·5–1·0 mg

 

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