AGXT2: a promiscuous aminotransferase.

AGXT2: a promiscuous aminotransferase.
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DOI:
10.1016/j.tips.2014.09.005
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发表时间:
2014-11
影响因子:
13.8
通讯作者:
Lentz, Steven R.
Lentz, Steven R.
中科院分区:
医学1区
文献类型:
--
作者:
Rodionov, Roman N.;Jarzebska, Natalia;Weiss, Norbert;Lentz, Steven R.

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Alanine-glyoxylate aminotransferase 2 (AGXT2)是一种多功能线粒体转氨酶,于1978年首次发现。三十年来,AGXT2的生理重要性在很大程度上被忽视,因为AGXT2在乙醛酸盐代谢中的活性低于AGXT1,而AGXT1在原发性高草酸血症i型中缺乏。最近,AGXT2的一些新功能在现代基因组学和代谢组学研究中被“重新发现”。现在很明显,AGXT2具有多种底物和产物,并且AGXT2活性的改变可能与心血管、肾脏、神经和血液疾病的发病机制有关。本文综述了AGXT2的生化特性和生理功能,其在关键线粒体通路交叉点上的独特作用,以及其作为药物靶点的潜力。
Alanine-glyoxylate aminotransferase 2 (AGXT2) is a multifunctional mitochondrial aminotransferase that was first identified in 1978. The physiological importance of AGXT2 was largely overlooked for three decades because AGXT2 is less active in glyoxylate metabolism than AGXT1, the enzyme that is deficient in primary hyperoxaluria type I. Recently, several novel functions of AGXT2 have been “rediscovered” in the setting of modern genomic and metabolomic studies. It is now apparent that AGXT2 has multiple substrates and products and that altered AGXT2 activity may contribute to the pathogenesis of cardiovascular, renal, neurological and hematological diseases. This article reviews the biochemical properties and physiological functions of AGXT2, its unique role at the intersection of key mitochondrial pathways, and its potential as a drug target.
DOI: 10.1161/atvbaha.112.247726
发表时间: 2012-06
期刊: Arteriosclerosis, thrombosis, and vascular biology
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