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Proteasome inhibitors mechanism; Source for design of newer therapeutic agents

机译:蛋白酶体抑制剂的作用机制;设计新型治疗剂的来源

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The proteasome was first identified as a high MW protease complex that gets resolved into a series of low MW protein species upon denaturation. As the dominant protease dedicated to protein turnover, the proteasome shapes the cellular protein repertoire. Our knowledge of proteasome regulation and activity has improved considerably over the past decade. Novel inhibitors, in particular, have helped to advance our understanding of proteasome biology. They range from small peptide-based structures that can be modified to vary target specificity to large macromolecular inhibitors that include proteins. Although these reagents have an important role in establishing our current knowledge of the proteasome's catalytic mechanism, many questions remain. The future lies in designing compounds that can function as drugs to target processes involved in disease progression. Our focus in this chapter is to highlight the use of various classes of inhibitors to probe the mechanism of the proteasome and to identify its physiological significance in the cell, so that the mechanism of inhibition of proteasome will work as a definite source for design of protocols for newer therapeutic agents for the treatment of inflammation and in cancer therapy.
机译:蛋白酶体首先被鉴定为高分子量的蛋白酶复合物,变性后可分解为一系列低分子量的蛋白质。作为致力于蛋白质更新的主要蛋白酶,蛋白酶体决定着细胞蛋白质库。在过去的十年中,我们对蛋白酶体调控和活性的了解已大大提高。新型抑制剂尤其有助于增进我们对蛋白酶体生物学的了解。它们的范围从可以修改以改变目标特异性的小肽基结构到包括蛋白质的大分子抑制剂。尽管这些试剂在建立我们目前对蛋白酶体催化机理的认识中具有重要作用,但仍然存在许多问题。未来在于设计可用作药物的化合物,以靶向疾病进展中涉及的过程。本章的重点是强调使用各种抑制剂来探索蛋白酶体的机制并确定其在细胞中的生理学意义,以便蛋白酶体的抑制机制将作为方案设计的明确来源用于治疗炎症和癌症的新型治疗剂。

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