Class III PI3K Vps34: essential roles in autophagy, endocytosis, and heart and liver function.

Class III PI3K Vps34: essential roles in autophagy, endocytosis, and heart and liver function.
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DOI:
10.1111/nyas.12026
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发表时间:
2013-03
影响因子:
5.2
通讯作者:
Zong WX
Zong WX
中科院分区:
综合性期刊3区
文献类型:
--
作者:
Jaber N;Zong WX

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哺乳动物磷脂酰肌醇 (PI) 3-激酶是一个蛋白质家族,它们具有在肌醇环的 3 位磷酸化磷酸肌醇的能力。通过这样做,这些激酶产生参与各种细胞信号传导途径的磷脂分子,例如胰岛素信号传导和内吞作用。 PI3 激酶调节的途径对于维持细胞稳态至关重要,因此必须受到严格调节。在许多人类病理状况中观察到不规则的 PI3 激酶活性,例如糖尿病、癌症和炎症。其中一个家族成员 Vps34 备受关注,因为它是酵母中唯一发现的 PI3 激酶,并且在哺乳动物中进化上得到了保守。 Vps34 在细胞自噬过程中发挥着重要作用,自噬是与人类健康和疾病相关的过程。了解哺乳动物 Vps34 的精确作用可能对于各种疾病的药物开发至关重要。
Mammalian phosphatidylinositol (PI) 3-kinases are a family of proteins that share the ability to phosphorylate phosphoinositides at the 3 position of the inositol ring. By doing so, these kinases produce phospholipid molecules that are involved in various cell signaling pathways, such as insulin signaling and endocytosis. The pathways regulated by PI3-kinases are crucial for maintaining cellular homeostasis and thus must be tightly regulated. Irregular PI3-kinase activity is observed in numerous human pathological conditions, such as diabetes, cancer, and inflammation. One family member, Vps34, is of particular interest because it is the only PI3-kinase identified in yeast and it has been evolutionarily conserved through mammals. Vps34 plays an essential role in the cellular process of autophagy, a process linked to human health and disease. Understanding the precise role of mammalian Vps34 will likely be integral to drug development for various diseases.
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