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The hypothesis that FSH regulates the bovine cervical prostaglandin E(2) (PGE(2)) synthesis that is known to be associated with cervical relaxation and opening at the time of estrus was investigated. Cervical tissue from pre-estrous/estrous, luteal, and postovulatory cows were examined for 1) the presence of bovine (b) FSH receptor (R) and its corresponding(More)
The effect of luteinising hormone (LH) on bovine cervical tissues from three phases of the estrous cycle was studied. It was found that in the luteal phase cervix contained an LH receptor mRNA transcript and the 93 kDa LH receptor protein. Incubation of cervical minces from luteal phase with LH significantly increased (P < 0.05) the intracellular(More)
Bovine myometrium and cervix contain luteinizing hormone/human chorionic gonadotropin (LH/hCG) binding sites, LH receptor (LH-R) messenger RNA (mRNA), and LH-R protein. Expression of LH-R is dependent on the stage of the cycle. LH-R expression is high during the luteal phase but weak during the follicular phase. In both myometrium and cervix, LH activates(More)
We have previously reported that bovine endometrium contains LH/human CG binding receptors and LH induces cyclooxygenase and prostaglandin production in the bovine endometrium. The present study investigated 1) whether bovine uterine vein and artery contain LH receptor messenger RNA (mRNA) and receptor protein and 2) whether LH can regulate the formation of(More)
Bovine endometrium contains LH/hCG binding sites and LH increases endometrial production of prostaglandin H synthase-2 (PGHS-2) and prostaglandin synthesis. This study showed that uterine endometrium contained both LH receptor mRNA transcript and a 93-kDa immunoreactive protein that bound to anti-rat LH receptor antibody. LH receptor and its mRNA were(More)
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