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首页> 外文期刊>Cell cycle >BAG3 mRNA is present in synaptosomal polysomes of rat brain
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BAG3 mRNA is present in synaptosomal polysomes of rat brain

机译:BAG3 mRNA存在于大鼠脑的突触小体中

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摘要

BAG3 is a 75-kDa protein of the family of co-chaperones that interacts with the ATPase domain of heat shock protein Hsp70 through the BAG domain. The bag3 gene is constitutively expressed in several tumor types and a few normal cell types, including skeletal muscle and heart. In normal cell types, BAG3 expression is induced by oxi-dants, high temperature, serum deprivation, and other stressors, mainly through the activity of heat shock factor 1 on bag3 gene promoter. In addition to the BAG domain, BAG3 contains also a WW domain and a proline-rich (PXXP) repeat that mediates binding to partners different from Hsp70. These multifaceted interactions underlie BAG3 ability to modulate major biological processes, including apoptosis, cytoskeleton organization, and autophagy.1
机译:BAG3是伴侣蛋白家族的75 kDa蛋白,可通过BAG结构域与热休克蛋白Hsp70的ATPase结构域相互作用。 bag3基因在几种肿瘤类型和几种正常细胞类型(包括骨骼肌和心脏)中组成性表达。在正常细胞类型中,BAG3表达是由氧化剂,高温,血清缺乏和其他应激因素诱导的,主要是通过热休克因子1对bag3基因启动子的活性引起的。除BAG域外,BAG3还包含一个WW域和一个富含脯氨酸(PXXP)的重复序列,该重复序列介导与Hsp70不同的伴侣的结合。这些多方面的相互作用是BAG3调节主要生物学过程(包括细胞凋亡,细胞骨架组织和自噬)的能力的基础。1

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