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首页> 外文期刊>Biological chemistry >Redox Regulation of Stress Signals: Possible Roles of Dendritic Stellate TRX Producer Cells (DST Cell Types)
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Redox Regulation of Stress Signals: Possible Roles of Dendritic Stellate TRX Producer Cells (DST Cell Types)

机译:应激信号的氧化还原调节:树突状星状TRX产生细胞(DST细胞类型)的可能作用

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摘要

Thioredoxin (TRX) is a 12 kDa protein with redox-active dithiol (Cys-Gly-Pro-Cys) in the active site. TRX is induced by a variety of stresses including viral infection and inflammation. The promoter sequences of the TRX gene contain a series of stress-responsive elements including ORE, ARE, XRE, CRE and SP-1. TRX promotes DNA binding of transcription factors such as NF-κB, AP-1 and p53. TRX interacts with target proteins modulating the activity of those proteins. We have identified TRX binding protein-2 (TBP-2), tein 1 (VDUP1). Potential action of TBP-2/VDUP1 as a redox-sensitive tumor suppressor will be discussed. There is accumulating evidence for the involvement of TRX in the protection against infectious and inflammatory disorders. We will discuss the role of TRX-dependent redox regulation of the host defense mechanism in particular its relation to the emerging concept of constitutive and/or inducible TRX on special cell types with dendritic and stellate morphology in the immune, endocrine and nervous systems, which we provisionally designate as dendritic stellate TRX producer cells (DST cell types).
机译:硫氧还蛋白(TRX)是一种12 kDa的蛋白质,在活性位点具有氧化还原活性的二硫醇(Cys-Gly-Pro-Cys)。 TRX由包括病毒感染和炎症在内的多种压力诱导。 TRX基因的启动子序列包含一系列应激反应元件,包括ORE,ARE,XRE,CRE和SP-1。 TRX促进转录因子,例如NF-κB,AP-1和p53的DNA结合。 TRX与靶蛋白相互作用,调节靶蛋白的活性。我们已经鉴定出TRX结合蛋白2(TBP-2),肌腱蛋白1(VDUP1)。将讨论TBP-2 / VDUP1作为氧化还原敏感性肿瘤抑制因子的潜在作用。有越来越多的证据表明TRX参与了针对传染性和炎性疾病的保护。我们将讨论依赖TRX的氧化还原调节宿主防御机制的作用,特别是与免疫,内分泌和神经系统中具有树突状和星状形态的特殊细胞类型上本构和/或诱导型TRX的新概念的关系。我们暂时将其指定为树突状星状TRX生产细胞(DST细胞类型)。

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