A potential autocrine role for interferon tau in ovine trophectoderm.

A potential autocrine role for interferon tau in ovine trophectoderm.
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干扰素 tau 在绵羊滋养外胚层中的潜在自分泌作用。

DOI:
10.1111/rda.12169
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发表时间:
2013
期刊:
Reproduction in domestic animals = Zuchthygiene
影响因子:
--
通讯作者:
Shenming Zeng
Shenming Zeng
中科院分区:
--
文献类型:
--
作者:
Xianlong Wang;Kun Wang;Guo;Shenming Zeng

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干扰素tau(IFNT)是由妊娠滋养外胚层产生的I型干扰素,是反刍动物识别母体妊娠的信号。本研究旨在探讨干扰素NT是否以自分泌方式影响绵羊滋养外胚层细胞的增殖。收集拉长的绵羊孕体(第15天,第0天=交配日)用于分离单核绵羊滋养外胚层(oTr-1)细胞,并收集孕体(第15天和第20天,分别为n = 4和3)用于RNA提取。我们证明,IFNAR 1,IFNT受体,表达在滋养外胚层的第15和20天的概念。有趣的是,在重组牛IFNT(rbIFNT)存在下培养的绵羊滋养外胚层细胞系oTr-1显示出IFN刺激基因(ISG)的表达增加,如IFN刺激基因15(ISG 15)、2-5-寡腺苷酸合成酶1(OAS 1)和骨髓基质细胞抗原2(BST 2)。同时,rbIFNT在培养液中的存在可促进细胞增殖,并呈剂量依赖性。此外,结缔组织生长因子,这在细胞增殖中具有不同的功能,并参与在孕体伸长,上调oTr-1细胞在体外治疗rbIFNT。这些数据表明,IFNT可能作为一种自分泌因子调节滋养外胚层细胞增殖。
Interferon tau (IFNT), a type I IFN produced by the conceptus trophectoderm, is the signal for maternal pregnancy recognition in ruminants. The purpose of this study was to investigate whether IFNT effected on the proliferation of ovine trophectoderm cells in an autocrine manner. Elongated ovine conceptuses (Days 15, Day 0 = day of mating) were collected for isolation of mononuclear ovine trophectoderm (oTr-1) cells, and conceptuses (Days 15 and 20, n = 4 and 3, respectively) were collected for RNA extraction. We demonstrated that the IFNT receptor, IFNAR1, was expressed in trophectoderm of day 15 and 20 conceptuses. Interestingly, the ovine trophectoderm cell line oTr-1 cultured in the presence of recombinant bovine IFNT (rbIFNT) displayed increased expressions of IFN-stimulated genes (ISGs), such as IFN-stimulated gene 15 (ISG15), 2-5-oligoadenylate synthetase 1 (OAS1) and bone marrow stromal cell antigen 2 (BST2). Meanwhile, the presence of rbIFNT in the culture media could promote the cell proliferation in a dose-dependent manner. Furthermore, the connective tissue growth factor, which has diverse functions in cell proliferation and is involved in conceptus elongation, was upregulated in oTr-1 cell by rbIFNT treatment in vitro. These data indicated that IFNT could act as an autocrine factor to regulate trophectoderm cell proliferation.
DOI: 10.1111/1523-1747.ep12363389
发表时间: 1996-09-01
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胚胎来源的干扰素RNA在母羊妊娠早期短暂表达。
DOI: --
发表时间: 1988
期刊: The Journal of biological chemistry
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发表时间: 1988
期刊: Endocrinology
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