Secretion and metabolism of prostaglandin F2alfa by endometrial tissue obtained at different days of the oestrous cycle in cattle

• Autorzy: Kotwica J. , Schams D. , Meyer H.H.D.
• Języki publikacji: EN

Abstrakty

EN

Kotwica, J., Schams, D. and Meyer,H.H.D.: Secretion and metabolism of prostaglandin F₂α by endometrial tissue obtained at different days of the oestrous cycle in cattle. Acta physiol, pol., 1908, 39(5-6): 404-490. Two mature heifers were slaughtered on days 3, 6-7, 10-11, 16, 18-19 or on day 21 of the oesterus cycle. Endometrium was incubated in quadruplicates with medium-199 at 37 C and a water saturated gas phase of 95% O₂ + 5% CO₂. Half ml medium samples were taken after 6, 12 and 24 h of incubation for determination of PGF₂α and PGFM. PGF₂α was secreted by endometrium at each stage of the oestrous cycle. Maximal secretion was measured around oestrus (p<0.01) compared with days 6-16 of the cycle. Concentration of PGFM in medium had a similar trend. Highest ability of endometrium for PGF₂α metabolism (indicated by the ratio PGF₂α:PGFM) was on days 6-16 of the cycle. Data suggest that PGF₂α metabolism by the endometrium may depend on ovarian steroids and that this metabolism may also protect the corpus luteum from the luteolytic action of PGF₂α besides reduced production of this prostaglandin during the luteal phase.

• Wydawca: -
• Czasopismo: Acta Physiologica Polonica
• Rocznik: 1988
• Tom: 39
• Numer: 5-6
• Opis fizyczny: p.484-490,fig.,ref.

Twórcy

autor

Kotwica J.

• Institute of Animal Physiology, University of Agriculture and Technology, Olsztyn-Kortowo, Poland

autor

Schams D.

• Institut fur Physiology, Sudd. Versuchs- und Forschungsanstalt fur Milchwirtschaft, Technische Universitat Munchen, Freising-Weihenstephan, Germany

autor

Meyer H.H.D.

• Institut fur Physiology, Sudd. Versuchs- und Forschungsanstalt fur Milchwirtschaft, Technische Universitat Munchen, Freising-Weihenstephan, Germany

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