Secretion of Prostaglandins E_2 and F_<2α> by the Bovine Endometrium in Response to Oxytocin during the Estrous Cycle
スポンサーリンク
概要
- 論文の詳細を見る
Secretion of prostaglandins (PG) E2 and PGF2α by the bovine endometrium and the effects of oxytocin (OT) on these secretions during the estrous cycle were investigated. Bovine uteri were classified into five luteal stages (early I: Days 2-3; early II: Days 5-7; mid-: Days 8-12; late: Days 15-17; regressed: Days 19-21). After 1 h of pre-incubation, endometrial tissues (20-30 mg) were exposed to 0 or 100 nM OT for 4 h. PGE2 concentration in the medium was higher than that of PGF2α during the luteal phase, and declined at the regressed luteal stage (P<0.05). In contrast, PGF2α secretion reached the highest value at the regressed luteal stage (P<0.05). OT significantly stimulated both PGE2 and PGF2α secretion at the early luteal stage (P<0.05). Although OT enhanced PGF2α secretion at the late and regressed luteal stages (P<0.05), PGE2 secretion was reduced by OT at the same time (P<0.05). These results indicate that there are significant differences in the pattern of PGE2 and PGF2α secretion by the bovine endometrium during the estrous cycle and suggest that OT may play a role in modulating the secretion of PGE2 as well as PGF2α.
- 日本繁殖生物学会の論文
- 1998-08-01
著者
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OKUDA Kiyoshi
Laboratory of Reproductive Endocrinology, Okayama University
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Okuda Kiyoshi
Lab. Of Reproductive Endocrinology Graduate School Of Natural Sci. And Technol. Okayama Univ.
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Okuda Kiyoshi
Laboratory Of Reproductive Endocrinology Graduate School Of Natural Science And Technology Okayama U
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UENOYAMA Yoshihisa
Laboratory of Animal Reproduction, Graduate School of Bioagricultural Sciences, Nagoya University
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奥田 潔
Laboratory Of Reproductive Endocrinology Graduate School Of Natural Science And Technology Okayama U
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SKARZYNSKI Dariusz
Laboratory of Reproductive Immunology, Institute of Animal Reproduction and Food Research
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MIYAMOTO Yoko
Laboratory of Biochemistry, Faculty of Agriculture, Kyushu University
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奥田 潔
岡山大学大学院自然科学研究科バイオサイエンス専攻生殖内分泌学
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Skarzynski Dariusz
Department Of Reproductive Immunology Institute Of Animal Reproduction And Food Research Polish Acad
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Okuda Kiyoshi
Okayama Univ. Okayama
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Miyamoto Yoko
Laboratory Of Reproductive Endocrinology Faculty Of Agriculture Okayama University
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Skarzynski Dariusz
Dep. Of Reproductive Immunology And Pathology Inst. Of Animal Reproduction And Food Res. Polish Acad
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Miyamoto Yoko
Laboratory Of Biochemistry Faculty Of Agriculture Kyushu University
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Skarzynski D
Department Of Reproductive Immunology Institute Of Animal Reproduction And Food Research Polish Academy Of Science
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Uenoya Yoshihisa
Laboratory of Reproductive Endocrinology, Faculty of Agriculture, Okayama University
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