Survival factors and apoptosis.

Survival factors and apoptosis.
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生存因素和细胞凋亡。

DOI:
10.1007/bfb0102309
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发表时间:
1998
期刊:
Advances in biochemical engineering/biotechnology
影响因子:
--
通讯作者:
Rosemary O'Connor
Rosemary O'Connor
中科院分区:
--
文献类型:
--
作者:
Rosemary O'Connor

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本章将探讨存活因子在抑制细胞凋亡中的作用,并说明存活信号如何在正常细胞和肿瘤细胞的存活中发挥关键作用。对神经系统和造血系统的发育和维持所必需的生存因素将进行调查。随后将详细讨论胰岛素样生长因子I (IGF-I)及其受体在抑制细胞凋亡中的作用。我们将讨论来自IGF-IR的生存信号对发育和肿瘤发生的重要性,并总结对抑制细胞凋亡所需的受体分配结构域的突变分析结果。最后,对生存因子信号转导通路的讨论将回顾PI-3激酶和AKT的作用,并推测生存因子激活这些激酶如何调节凋亡通路。
This chapter will explore the role of survival factors in suppression of apoptosis, and illustrate how survival signals play a critical role in the survival of both normal and tumor cells. Survival factors necessary for the development and maintenance of the nervous system and hemopoietic system will be surveyed. This will be followed by a detailed discussion of the role of insulin-like growth factor I (IGF-I) and its receptor in suppression of apoptosis. The importance of survival signals from the IGF-IR for development and tumorigenesis will be discussed, and results of a mutational analysis of the receptor to assign domains necessary for suppression of apoptosis will be summarized. Finally, a discussion of the signal transduction pathways involved in survival factor-signaling will review the roles played by PI-3 kinase and AKT and speculate on how activation of these kinases by survival factors might regulate the apoptotic pathway.
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