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Proteolytic Control of Lipid Metabolism.
ACS Chemical Biology ( IF 3.5 ) Pub Date : 2019-09-30 , DOI: 10.1021/acschembio.9b00695
Pingdewinde N Sam 1 , Erica Avery 1 , Steven M Claypool 1
Affiliation  

Synthesis and regulation of lipid levels and identities is critical for a wide variety of cellular functions, including structural and morphological properties of organelles, energy storage, signaling, and stability and function of membrane proteins. Proteolytic cleavage events regulate and/or influence some of these lipid metabolic processes and as a result help modulate their pleiotropic cellular functions. Proteins involved in lipid regulation are proteolytically cleaved for the purpose of their relocalization, processing, turnover, and quality control, among others. The scope of this review includes proteolytic events governing cellular lipid dynamics. After an initial discussion of the classic example of sterol regulatory element-binding proteins, our focus will shift to the mitochondrion, where a range of proteolytic events are critical for normal mitochondrial phospholipid metabolism and enforcing quality control therein. Recently, mitochondrial phospholipid metabolic pathways have been implicated as important for the proliferative capacity of cancers. Thus, the assorted proteases that regulate, monitor, or influence the activity of proteins that are important for phospholipid metabolism represent attractive targets to be manipulated for research purposes and clinical applications.

中文翻译:

脂质代谢的蛋白水解控制。

脂质水平和特性的合成和调节对于多种细胞功能至关重要,包括细胞器的结构和形态特性,能量存储,信号传导以及膜蛋白的稳定性和功能。蛋白水解切割事件调节和/或影响这些脂质代谢过程中的一些,因此有助于调节其多效性细胞功能。为了进行重新定位,加工,周转和质量控制等目的,对参与脂质调节的蛋白质进行了蛋白水解切割。这篇综述的范围包括控制细胞脂质动力学的蛋白水解事件。在初步讨论了固醇调节元件结合蛋白的经典实例后,我们的重点将转向线粒体,其中一系列蛋白水解事件对于正常的线粒体磷脂代谢和在其中进行质量控制至关重要。最近,线粒体磷脂代谢途径被认为对癌症的增殖能力很重要。因此,调节,监测或影响对磷脂代谢重要的蛋白质活性的各种蛋白酶代表了为研究目的和临床应用而需要操纵的有吸引力的靶标。
更新日期:2019-09-30
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