Title : Effects of GH on IGF-II-induced progesterone accumulation by cultured porcine granulosa cells.

Pub. Date : 1997 Oct

PMID : 9549041






9 Functional Relationships(s)
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1 Effects of GH on IGF-II-induced progesterone accumulation by cultured porcine granulosa cells. Progesterone insulin like growth factor 2 Homo sapiens
2 IGF-II by itself dose (with peak progesterone production of 498 ng/mg DNA/24 h being observed at 100 ng of IGF-II/mL) and time- (with minimum time requirement of 24-48 h) dependently increased progesterone accumulation (P < 0.01). Progesterone insulin like growth factor 2 Homo sapiens
3 IGF-II by itself dose (with peak progesterone production of 498 ng/mg DNA/24 h being observed at 100 ng of IGF-II/mL) and time- (with minimum time requirement of 24-48 h) dependently increased progesterone accumulation (P < 0.01). Progesterone insulin like growth factor 2 Homo sapiens
4 IGF-II by itself dose (with peak progesterone production of 498 ng/mg DNA/24 h being observed at 100 ng of IGF-II/mL) and time- (with minimum time requirement of 24-48 h) dependently increased progesterone accumulation (P < 0.01). Progesterone insulin like growth factor 2 Homo sapiens
5 However, in the presence of IGF-II, GH proved to be a potent amplifier of IGF-II in progesterone production (P < 0.01) with a minimum GH time requirement of 24-48 h. In contrast, prolactin did not influence IGF-II-induced progesterone accumulation (P > 0.05). Progesterone insulin like growth factor 2 Homo sapiens
6 However, in the presence of IGF-II, GH proved to be a potent amplifier of IGF-II in progesterone production (P < 0.01) with a minimum GH time requirement of 24-48 h. In contrast, prolactin did not influence IGF-II-induced progesterone accumulation (P > 0.05). Progesterone insulin like growth factor 2 Homo sapiens
7 However, in the presence of IGF-II, GH proved to be a potent amplifier of IGF-II in progesterone production (P < 0.01) with a minimum GH time requirement of 24-48 h. In contrast, prolactin did not influence IGF-II-induced progesterone accumulation (P > 0.05). Progesterone insulin like growth factor 2 Homo sapiens
8 However, in the presence of IGF-II, GH proved to be a potent amplifier of IGF-II in progesterone production (P < 0.01) with a minimum GH time requirement of 24-48 h. In contrast, prolactin did not influence IGF-II-induced progesterone accumulation (P > 0.05). Progesterone insulin like growth factor 2 Homo sapiens
9 An inhibitory study showed that the presence of cycloheximide (3 micrograms/mL) or actinomycin D (1 microgram/mL) blocked both the stimulatory effect of IGF-II on progesterone accumulation and the amplification of GH on IGF-II induced production (P > 0.01), suggesting GH amplification of IGF-II-induced progesterone accumulation is a process involving gene transcription and translation. Progesterone insulin like growth factor 2 Homo sapiens