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首页> 外文期刊>Annual review of cell and developmental biology >Novel research horizons for presenilins and -secretases in cell biology and disease. [Review]
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Novel research horizons for presenilins and -secretases in cell biology and disease. [Review]

机译:细胞生物学和疾病中早老蛋白和分泌酶的新研究前景。 [评论]

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摘要

Presenilins are the catalytic subunits of larger tetrameric γ-secretase complexes. The degradome of these aspartyl proteases consists of at least 60 different substrates. γ-Secretase is key to regulated intramembrane proteolysis, releasing protein fragments that potentially transduce signals at both sides of the cell membrane. Characteristic for this novel form of cellular signaling is its irreversible nature, providing direction to biological processes. We discuss recent insights in structure-function and assembly of the γ-secretase complexes and emerging insights in the regulation of the activity of these enzymes. This novel knowledge will help to develop better drugs for Alzheimer's disease and cancer. We critically evaluate literature that proposes presenilin functions outside of the γ-secretase complex.
机译:早老蛋白是较大的四聚体γ-分泌酶复合物的催化亚基。这些天冬氨酰蛋白酶的降解组由至少60种不同的底物组成。 γ-分泌酶是调节膜内蛋白水解,释放可能在细胞膜两侧传导信号的蛋白片段的关键。这种新形式的细胞信号传导的特征是其不可逆的性质,为生物学过程提供了指导。我们讨论了γ-分泌酶复合物的结构功能和组装方面的最新见解以及这些酶活性的调节方面的新见解。这种新颖的知识将有助于开发出更好的药物来治疗阿尔茨海默氏病和癌症。我们批判性地评估了提出γ-分泌酶复合物之外的早老素功能的文献。

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