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The longevity assurance homologue of yeast lag1 (Lass) gene family (review).

机译:酵母lag1(Lass)基因家族的长寿保证同源物(综述)。

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摘要

The Lass gene family contains a group of highly conserved genes that are found in eukaryotic species. The founding member, lag1, was discovered in a screen for yeast longevity genes. Subsequently, lag1 homologs were discovered in other organisms including six mammalian paralogs. All Lass genes encode a highly conserved Lag1 domain and many also have an additional Hox domain. Lass proteins are ceramide synthases and therefore are critical for ceramide biosynthesis. Ceramide synthase is also a critical enzyme in the sphingolipid biosynthetic pathway. As ceramide and sphingolipids are key intermediates in diverse cellular processes such as cell growth, apoptosis, and stress response and may also play a role in cancer development, the function of Lass proteins is of great interest. In this review, we summarize the state of knowledge regarding Lass protein structure, biological function, and their emerging role in cancer development.
机译:Lass基因家族包含在真核生物物种中发现的一组高度保守的基因。在酵母长寿基因的筛选中发现了创始成员lag1。随后,在包括六个哺乳动物旁系同源物在内的其他生物中发现了lag1同源物。所有Lass基因均编码高度保守的Lag1结构域,并且许多基因还具有其他Hox结构域。 Lass蛋白是神经酰胺合酶,因此对于神经酰胺的生物合成至关重要。神经酰胺合酶也是鞘脂生物合成途径中的关键酶。由于神经酰胺和鞘脂是多种细胞过程(例如细胞生长,凋亡和应激反应)中的关键中间体,并且在癌症发展中也可能起作用,因此,Lass蛋白的功能备受关注。在这篇综述中,我们总结了关于Lass蛋白结构,生物学功能及其在癌症发展中的新兴作用的知识状态。

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