Temat: progesterone secretion - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Aryl hydrocarbon receptor (AhR)-linked inhibition of luteal cell progesterone secretion in 2,3,7,8-tetrachlorodibenzo-p-dioxin treated cells
Autorzy:: Gregoraszczuk, E.L.
Zabielny, E.
Ochwat, D.
Powiązania:: https://bibliotekanauki.pl/articles/70446.pdf
Data publikacji:: 2001
Wydawca:: Polskie Towarzystwo Fizjologiczne
Tematy:: aryl hydrocarbon receptor
2,3,7,8-tetrachlorodibenzo-p-dioxin
luteal cell
progesterone secretion
steroidogenesis
Źródło:: Journal of Physiology and Pharmacology; 2001, 52, 2
0867-5910
Pojawia się w:: Journal of Physiology and Pharmacology
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Dose-and-time dependent effect of 2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD) on progesterone secretion by porcine luteal cells cultured in vitro
Autorzy:: Gregoraszczuk, E.L.
Wojtowicz, A.K.
Zabielny, E.
Grochowalski, A.
Powiązania:: https://bibliotekanauki.pl/articles/70899.pdf
Data publikacji:: 2000
Wydawca:: Polskie Towarzystwo Fizjologiczne
Tematy:: environment pollutant
2,3,7,8-tetrachlorodibenzo-p-dioxin
luteal cell
progesterone secretion
in vitro
toxic pollutant
Źródło:: Journal of Physiology and Pharmacology; 2000, 51, 1
0867-5910
Pojawia się w:: Journal of Physiology and Pharmacology
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

Tytuł:: The effect of progesterone on oxytocin-stimulated intracellular Ca2plus mobilisation and prostaglandin secretion in porcine endometrium
Autorzy:: Kotwica, G.
Oponowicz, A.
Kurowicka, B.
Franczak, A.
Bogacka, I.
Powiązania:: https://bibliotekanauki.pl/articles/31688.pdf
Data publikacji:: 2010
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: progesterone
oxytocin
intracellular calcium
calcium
prostaglandin secretion
porcine endometrium
endometrium
pregnancy
pig
hormone
Opis:: We have studied in the porcine endometrium the expression of oxytocin receptor (OTR) mRNA and the effect of progesterone (P₄) on oxytocin/oxytocin receptor (OT/OTR) function concerning intracellular Ca²⁺mobilisation ([Ca²⁺]i), prostaglandin F2α (PGF2α) and E2 (PGE2; PG) secretion. Tissue was taken from cyclic and early pregnant pigs (days 14-16). A higher expression of OTR mRNA (P<0.05) was observed in the endometrium of cyclic than pregnant pigs. The stimulatory (P<0.05) effect of OT (10⁻⁷ M) on [Ca²⁺]i mobilisation was noticed within 15-60 s and 30-60 s in endometrial stromal cells of cyclic and pregnant pigs, respectively. In the presence of P₄ (10⁻⁵ M) basal and OT-stimulated [Ca²⁺]i concentrations decreased in stromal cells during luteolysis and pregnancy. In stromal cells P₄ delayed mobilisation of [Ca²⁺]i in response to OT by 15 s during luteolysis and had no effect during pregnancy. In cyclic and pregnant epithelial cells OT stimulated mobilisation of [Ca²⁺]i in 45 s and 60 s, respectively. Oxytocin increased (P<0.05) PGF2α secretion during luteolysis and pregnancy and PGE2 during luteolysis from endometrial slices. Progesterone did not inhibit this stimulatory effect. During luteolysis OT increased (P<0.05) PGF2α in epithelial and stromal cells and PGE2 secretion in epithelial cells. In the presence of P₄ this effect of OT was reduced only in stromal cyclic cells (6 h culture). The presence of P₄ decreased the effect of OT on [Ca²⁺]i mobilisation only in stromal cells. We found that, in most conditions, P₄ did not inhibit the OT-stimulated secretion of PG in the porcine endometrium.
Źródło:: Polish Journal of Veterinary Sciences; 2010, 13, 4
1505-1773
Pojawia się w:: Polish Journal of Veterinary Sciences
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 4.

Tytuł:: Local effect of progesterone infusion into ovarian artery on activin A and inhibin alpha-subunit secretion during the middle luteal phase in gilts
Autorzy:: Wasowska, B
Stefanczyk-Krzymowska, S.
Powiązania:: https://bibliotekanauki.pl/articles/30684.pdf
Data publikacji:: 2010
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: dimeric glycoprotein
activin
inhibin
growth factor-beta
progesterone infusion
ovarian artery
alpha-subunit
secretion
exogenous progesterone
local feedback
gilt
middle luteal phase
Opis:: The present study was undertaken to elucidate whether an increased, but physiological, amount of progesterone (P4) supplied to the porcine corpus luteum affects luteal secretion of activin A and inhibin a-subunit (Inha) in freely moving gilts. On day 9 of the estrous cycle (EC), both ovarian arteries and both ovarian veins of gilts (n=5) were cannulated. Progesterone was infused into the right ovarian arteries in gilts on days 10, 11 and 12 of the EC at a rate adequate to its physiological retrograde transfer found during the middle luteal phase of the EC. The P4 infusion rate was 0.62 μg/min (day 10), 2x0.62 μg/min (day 11) and 3x0.62 μg/min (day 12). The left ovarian arteries were infused with saline (control). Blood samples were collected from both ovarian veins on days 10-12 of the EC before and after P4 or saline infusion. The mean plasma activin A level in the ovarian vein ipsilateral to the P4-infused ovary was higher (PcO.OOOl) on days 10-12 of the EC than this found in the contralateral ovarian vein. The level of activin A in the ovarian vein ipsilataral to the infusion of P4 was higher on days 11 (PcO.Ol) and 12 (P<0.0001) and tended to be higher (P<0.07) on day 10 of the EC than this in contralateral ovarian vein. The level of Inha in the ovarian vein ipsilateral to the P4-infused ovary on days 10-12 of the EC was not significantly different (P>0.05) than this found in the contralateral ovarian vein. The results of the present study indicate that a local elevation of P4 concentration in blood supplying the ovary during the middle luteal phase of the porcine EC affects ovarian secretion of activin A. The effect of P4 on the secretion of activin A suggested the existence of a short regulatory loop of a positive feedback between P4 being retrogradely transferred into the ovary and the secretion of this peptide.
Źródło:: Polish Journal of Veterinary Sciences; 2010, 13, 1; 97-104
1505-1773
Pojawia się w:: Polish Journal of Veterinary Sciences
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 5.

Tytuł:: The pattern of steroid secretion by perifused preovulatory rat follicles
Autorzy:: Szoltys, M
Powiązania:: https://bibliotekanauki.pl/articles/70002.pdf
Data publikacji:: 1995
Wydawca:: Polskie Towarzystwo Fizjologiczne
Tematy:: radioimmunoassay
steroid production
progesterone
rat follicle
steroid
endocrinology
steroid analysis
ovulation
androgen
animal physiology
gonadotrophin
hormone free
secretion
estradiol
Źródło:: Journal of Physiology and Pharmacology; 1995, 46, 1
0867-5910
Pojawia się w:: Journal of Physiology and Pharmacology
Dostawca treści:: Biblioteka Nauki

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