Redefining the biological and pathophysiological role of dimethylarginine dimethylaminohydrolase 2.

IF 12.8 1区 医学 Q1 BIOCHEMISTRY & MOLECULAR BIOLOGY
Trends in molecular medicine Pub Date : 2024-06-01 Epub Date: 2024-03-29 DOI:10.1016/j.molmed.2024.03.001
Pramod C Nair, Arduino A Mangoni, Roman N Rodionov
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引用次数: 0

Abstract

The enzyme dimethylarginine dimethylaminohydrolase (DDAH) 1 metabolizes asymmetric dimethylarginine (ADMA), a critical endogenous cardiovascular risk factor. In the past two decades, there has been significant controversy about whether DDAH2, the other DDAH isoform, is also able to directly metabolize ADMA. There has been evidence that DDAH2 regulates several critical processes involved in cardiovascular and immune homeostasis. However, the molecular mechanisms underpinning these effects are unclear. In this opinion, we discuss the previous and current knowledge of ADMA metabolism by DDAH in light of a recent consortium study, which convincingly demonstrated that DDAH2 is not capable of metabolizing ADMA, unlike DDAH1. Thus, further research in this field is needed to uncover the molecular mechanisms of DDAH2 and its role in various disorders.

重新定义二甲基精氨酸二甲氨基水解酶 2 的生物学和病理生理学作用。
二甲基精氨酸二甲基氨水解酶(DDAH)1 可代谢不对称二甲基精氨酸(ADMA),这是一种重要的内源性心血管风险因子。在过去二十年中,关于 DDAH2(另一种 DDAH 同工酶)是否也能直接代谢 ADMA 的问题一直存在很大争议。有证据表明,DDAH2 可调节心血管和免疫平衡中的几个关键过程。然而,这些作用的分子机制尚不清楚。最近的一项联合研究令人信服地证明,与 DDAH1 不同,DDAH2 无法代谢 ADMA。因此,需要在这一领域开展进一步研究,以揭示 DDAH2 的分子机制及其在各种疾病中的作用。
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来源期刊
Trends in molecular medicine
Trends in molecular medicine 医学-生化与分子生物学
CiteScore
24.60
自引率
0.00%
发文量
142
审稿时长
6-12 weeks
期刊介绍: Trends in Molecular Medicine (TMM) aims to offer concise and contextualized perspectives on the latest research advancing biomedical science toward better diagnosis, treatment, and prevention of human diseases. It focuses on research at the intersection of basic biology and clinical research, covering new concepts in human biology and pathology with clear implications for diagnostics and therapy. TMM reviews bridge the gap between bench and bedside, discussing research from preclinical studies to patient-enrolled trials. The major themes include disease mechanisms, tools and technologies, diagnostics, and therapeutics, with a preference for articles relevant to multiple themes. TMM serves as a platform for discussion, pushing traditional boundaries and fostering collaboration between scientists and clinicians. The journal seeks to publish provocative and authoritative articles that are also accessible to a broad audience, inspiring new directions in molecular medicine to enhance human health.
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