The IGFs and their binding proteins in murine development

The IGFs and their binding proteins in murine development
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小鼠发育中的 IGF 及其结合蛋白

DOI:
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发表时间:
1993
影响因子:
2.5
通讯作者:
D. Barron
D. Barron
中科院分区:
生物学3区
文献类型:
--
作者:
L. Murphy;D. Barron

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最近的观察表明,胰岛素样生长因子(IGF)的不同作用是组成IGF系统的各种组件相互作用的结果。该系统的组成包括IGF-I和IGF-II及其变异体、IGF 1型和2型受体以及胰岛素样生长因子结合蛋白(IGFBPs)。IGF系统的各种成分在发育中的小鼠胚胎和胚胎发育所在的生殖道邻近组织中表达。因此,母体组织和胎儿组织之间存在旁分泌相互作用的可能性。IGF受体IGF-I和IGF-II的转录本已经在围着床期小鼠胚胎中被证明。虽然现在有来自基因消融实验的数据表明IGF-II在胚胎发育中很重要,但IGF系统的其他组成部分,如IGFBPs的作用尚不清楚。到目前为止积累的数据主要是经验性的,至今还没有令人信服的证据表明,来自输卵管或子宫液和母体组织的IGFS对于正常的胎儿发育是必要的。我们已经开始开发高表达IGFBPs的转基因小鼠系,试图解决这些结合蛋白在胎儿发育中的作用。©1993 Wiley-Liss,Inc.
Recent observations suggest that the diverse actions of the insulin‐like growth factors (IGFs) are the result of interactions of the various components that make up the IGF system. The components of this system include IGF‐I and ‐II and their variants, the type 1 and 2 IGF receptors and the insulin‐like growth factor binding proteins (IGFBPs). Various components of the IGF system are expressed in the developing mouse embryo and the adjacent tissues of the reproductive tract in which the embryo develops. Thus there is the potential for paracrine interactions between the maternal and fetal tissues. Transcripts for the IGF receptors, IGF‐I and IGF‐II, have been demonstrated in the periimplantation mouse embryo. While there are now data from gene ablation experiments indicating that IGF‐II is important in embryogenesis, the role of other components of the IGF system such as the IGFBPs remains unclear. The data accumulated so far are largely empirical, and there is as yet little compelling evidence that maternal IGFs derived from oviduct or uterine fluid and maternal tissues are necessary for normal fetal development. We have started to develop transgenic mice lines overexpressing IGFBPs to attempt to address the role of these binding proteins in fetal development. © 1993 Wiley‐Liss, Inc.
人精液和卵泡液中胰岛素样生长因子-II 的鉴定。
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发表时间: 1990
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影响因子: --
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