Effects of angiogenin on granulosa and theca cell function in cattle.

Effects of angiogenin on granulosa and theca cell function in cattle.
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血管生成素对牛颗粒细胞和卵泡膜细胞功能的影响。

DOI:
10.1017/s1751731116002044
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发表时间:
2017
期刊:
Animal : an international journal of animal bioscience
影响因子:
--
通讯作者:
Spicer,LJ
Spicer,LJ
中科院分区:
--
文献类型:
--
作者:
Dentis,JL;Schreiber,NB;Burress,AM;Spicer,LJ

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血管生成素是核糖核酸酶A超家族的一员,参与刺激血管生成,但血管生成素是否能直接影响卵巢颗粒细胞或卵泡膜细胞功能尚不清楚。因此,这些研究的目的是确定血管生成素对牛颗粒细胞和卵泡膜细胞增殖和类固醇生成的影响。在实验1和2中,培养来自小(1至5 mm直径)卵泡的颗粒细胞和来自大(8至22 mm直径)卵泡的卵泡膜细胞,以评价重组人血管生成素对类固醇生成的剂量反应效应。在30和100 ng/ml时,血管生成素抑制(P<0.05)颗粒细胞孕酮和卵泡膜细胞雄烯二酮的产生,但不影响(P>0.10)颗粒细胞雌二醇或卵泡膜细胞孕酮的产生,也不影响颗粒细胞或卵泡膜细胞的数量。在实验3和4中,将来自小卵泡和大卵泡的颗粒细胞和卵泡膜细胞与300 ng/ml的血管生成素一起培养,以确定卵泡的大小是否影响对血管生成素的反应。在300 ng/ml,血管生成素增加大卵泡颗粒细胞增殖,但减少小卵泡颗粒细胞孕酮和雌二醇的生产和大卵泡膜细胞孕酮的生产。在实验5和6中,血管生成素刺激大卵泡颗粒细胞的增殖和DNA合成(P<0.05)。在实验7中,300 ng/ml的血管生成素增加(P<0.05)颗粒细胞中的CYP 19 A1信使RNA(mRNA)丰度,但不影响颗粒细胞或卵泡膜细胞中的CYP 11 A1 mRNA丰度,也不影响卵泡膜细胞中的CYP 17 A1 mRNA丰度。我们的结论是,血管生成素似乎目标颗粒和卵泡膜细胞在牛,但需要进一步的研究,以进一步了解血管生成素的作用机制,在颗粒和卵泡膜细胞,以及其在卵泡发育的确切作用。
Angiogenin is a member of the ribonuclease A superfamily of proteins that has been implicated in stimulating angiogenesis but whether angiogenin can directly affect ovarian granulosa or theca cell function is unknown. Therefore, the objective of these studies was to determine the effect of angiogenin on proliferation and steroidogenesis of bovine granulosa and theca cells. In experiments 1 and 2, granulosa cells from small (1 to 5 mm diameter) follicles and theca cells from large (8 to 22 mm diameter) follicles were cultured to evaluate the dose-response effect of recombinant human angiogenin on steroidogenesis. At 30 and 100 ng/ml, angiogenin inhibited (P<0.05) granulosa cell progesterone production and theca cell androstenedione production but did not affect (P>0.10) granulosa cell estradiol production or theca cell progesterone production, and did not affect numbers of granulosa or theca cells. In experiments 3 and 4, granulosa and theca cells from both small and large follicles were cultured with 300 ng/ml of angiogenin to determine if size of follicle influenced responses to angiogenin. At 300 ng/ml, angiogenin increased large follicle granulosa cell proliferation but decreased small follicle granulosa cell progesterone and estradiol production and large follicle theca cell progesterone production. In experiments 5 and 6, angiogenin stimulated (P<0.05) proliferation and DNA synthesis in large follicle granulosa cells. In experiment 7, 300 ng/ml of angiogenin increased (P<0.05) CYP19A1 messenger RNA (mRNA) abundance in granulosa cells but did not affect CYP11A1 mRNA abundance in granulosa or theca cells and did not affect CYP17A1 mRNA abundance in theca cells. We conclude that angiogenin appears to target both granulosa and theca cells in cattle, but additional research is needed to further understand the mechanism of action of angiogenin in granulosa and theca cells, as well as its precise role in folliculogenesis.
生长分化因子 9 (GDF9) 刺激牛膜细胞增殖并抑制类固醇生成:卵泡大小对 GDF91 反应的影响
DOI: --
发表时间: 2008
影响因子: 3.6
作者:
L. Spicer;P. Aad;D. Allen;S. Mazerbourg;A. Payne;A. Hsueh
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牛乳血管生成素的完整氨基酸序列
DOI: --
发表时间: 1988
期刊: FEBS Letters
影响因子: 3.5
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DOI: 10.1679/aohc.58.567
发表时间: 1995
影响因子: --
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DOI: 10.1021/bi00417a013
发表时间: 1988
期刊: Biochemistry
影响因子: 2.9
作者:
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通讯作者: B. Vallée
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DOI: 10.3168/jds.s0022-0302(96)76429-9
发表时间: 1996
影响因子: 3.5
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