Search Results - "Poyser, NL"

Effects of epidermal growth factor, interleukin 1 and nitric oxide on prostaglandin production by guinea-pig uterus by Keeble, JE, Poyser, NL

“…Initial experiments in the present study investigated the effects of epidermal growth factor (EGF), interleukin 1beta (IL-1beta) and sodium nitroprusside (a…”
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Effects of inhibitors of arachidonic acid turnover on the production of prostaglandins by the guinea-pig uterus by NORMAN, S. J, POYSER, N. L

“…The supply of free arachidonic acid from phospholipids is generally regarded as the rate-limiting step for prostaglandin (PG) synthesis by tissues. Two enzymes…”
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The control of prostaglandin production by the endometrium in relation to luteolysis and menstruation by Poyser, N.L.

“…Oestradiol acting on a progesterone-primed uterus stimulates prostaglandin (PG) F 2α synthesis by the endometrium. In some species (notably the sheep, cow and…”
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Heterogeneity in the bioactivity of LH secreted by peripubertal rats by LEIGH, A. J, POYSER, N. L, BONNEY, R. C, WHITEHEAD, S. A, WILSON, C. A

“…Treatment of immature rats with 5 iu equine chorionic gonadotrophin (eCG) on day 25 typically stimulates a preovulatory surge of LH on day 27 and ovulation on…”
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Effects of inhibitors of arachidonic acid turnover on the production of prostaglandins by the guinea-pig uterus by Norman, SJ, Poyser, NL

“…The supply of free arachidonic acid from phospholipids is generally regarded as the rate-limiting step for prostaglandin (PG) synthesis by tissues. Two enzymes…”
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The effects of P2Y receptor agonists and adenosine on prostaglandin production by the guinea‐pig uterus by Aitken, Heather, Poyser, N L, Hollingsworth, M

“…This study has investigated the effects adenosine 5′‐triphosphate (ATP), analogues of ATP, uridine 5′‐triphosphate (UTP) and adenosine on prostaglandin output…”
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A comparison of the effects of indomethacin and NS-398 (a selective prostaglandin H synthase-2 inhibitor) on implantation in the rat by Poyser, N.L.

“…Indomethacin (25 μM) inhibited the amount of prostaglandin (PG) E2, PGF2αand 6-keto-PGF1αsynthesized by homogenates of day 5 pregnant rat uterus by 80–92%. In…”
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Investigations into the mechanisms controlling prostaglandin production by the guinea-pig placenta: roles of calcium and gonadotrophin-releasing hormone by Aitken, H., Poyser, N.L.

“…The outputs of PGF2 α, PGE2 and 6-keto-PGF1α were higher from the day 29 guinea-pig placenta than from the sub-placenta in culture, with PGF2αbeing the major…”
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Effects of indomethacin, NS-398 (a selective prostaglandin H synthase-2 inhibitor) and protein synthesis inhibitors on prostaglandin production by the guinea-pig placenta by Aitken, H., Poyser, N.L.

“…The outputs of PGF2 α, PGE2and 6-keto-PGF1αwere similar from the day 22 guinea-pig placenta and sub-placenta in culture, except for PGE2output from the…”
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Heterogeneity in the bioactivity of LH secreted by peripubertal rats by Leigh, AJ, Poyser, NL, Bonney, RC, Whitehead, SA, Wilson, CA

“…Treatment of immature rats with 5 iu equine chorionic gonadotrophin (eCG) on day 25 typically stimulates a preovulatory surge of LH on day 27 and ovulation on…”
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Prostaglandin production by guinea-pig placenta and other uterine tissues during mid-pregnancy by Norman, S.J., Poyser, N.L.

“…Prostaglandin (PG) output from cultured placenta, sub-placenta, endometrium and fetal membranes of guinea-pigs was measured on days 22, 29 and 36 of pregnancy…”
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Effects of various factors on prostaglandin synthesis by the guinea-pig uterus by Poyser, N L

“…Phospholipases (PL) A-2 and C stimulated the outputs of prostaglandin (PG) F-2 alpha, PGE-2 and 6-keto-PGF-1 alpha from the Day-7 and Day-15 guinea-pig uterus…”
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Endogenous prostaglandin formation in the field-stimulated guinea-pig vas deferens: comparison of the inhibitory effects of indomethacin and NS-398 by Miller, M.R., Johnson, F.C., Poyser, N.L.

“…Prostaglandin (PG) E2inhibited both phases of contraction produced by electrical field stimulation of the guinea-pig vas deferens. PGF2αand PGD2were without…”
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Factors controlling prostaglandin production by guinea-pig endometrial cells by Naderali, E K, Poyser, N L

“…The main cell type in the guinea-pig endometrium responsible for prostaglandin (PG) F 2α production and some of the intracellular mechanisms responsible for…”
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Effects of onapristone, tamoxifen and ICI 182780 on uterine prostaglandin production and luteal function in nonpregnant guinea-pigs by Poyser, N L

“…Onapristone (a progesterone antagonist) or ICI 182780 (an oestrogen antagonist) administered to guinea-pigs on days 11–14 of the cycle significantly reduced…”
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A comparison of the effects of exogenous and endogenous prostaglandins on fast and slow contractions of field‐stimulated guinea‐pig vas deferens by McKay, A.M., Poyser, N.L.

“…1 This study has compared the effects of exogenous and endogenous prostaglandins on the two phases of contraction of the guinea‐pig vas deferens produced by…”
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Effect of a selective prostaglandin H synthase-2 inhibitor (NS-398) on prostaglandin production by the guinea-pig uterus by Naderali, E K, Poyser, N L

“…Using guinea-pig uterine tissues, indomethacin (a non-selective inhibitor of prostaglandin H synthase) inhibited prostaglandin (PG) synthesis by homogenates of…”
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Effects of onapristone on uterine prostaglandin production and plasma progesterone concentrations in guinea-pigs during early and mid-pregnancy by Poyser, N L

“…Onapristone (a progesterone receptor antagonist) administered to guinea-pigs on days 11–14 of pregnancy had no effect on uterine PGF 2α output and endometrial…”
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Effects of caffeine and theophylline on prostaglandin production by guinea-pig endometrium by Naderali, E.K., Poyser, N.L.

“…Caffeine and theophylline increased prostaglandin output from day 7 and day 15 guinea-pig endometrium in culture. Ryanodine and forskolin had no effect on…”
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A possible explanation for the refractoriness of uterine prostaglandin production by Poyser, N L

“…Arachidonic acid increased the outputs of prostaglandin (PG) F-2α, PGE-2 and 6-keto-PGF-1α from the Day-7 and Day-15 guinea-pig uterus superfused in vitro …”
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