ACE2, a new regulator of the renin-angiotensin system

被引:258
作者
Burrell, LM [1 ]
Johnston, CI
Tikellis, C
Cooper, ME
机构
[1] Univ Melbourne, Dept Med, Austin Hlth, Heidelberg Hts, Vic 3081, Australia
[2] Baker Heart Res Inst, Melbourne, Vic 8088, Australia
关键词
D O I
10.1016/j.tem.2004.03.001
中图分类号
R5 [内科学];
学科分类号
1002 ; 100201 ;
摘要
Angiotensin-converting enzyme (ACE) is a zinc metalloproteinase and a key regulator of the renin-angiotensin system (RAS). ACE2 is a newly described enzyme identified in rodents and humans with a more restricted distribution than ACE, and is found mainly in heart and kidney. ACE2 cleaves a single residue from angiotensin I (Ang I) to generate Ang 1-9, and degrades Ang II, the main effector of the RAS, to the vasodilator Ang 1-7. The importance of ACE2 in normal physiology and pathophysiological states is largely unknown. ACE2 might act in a counter-regulatory manner to ACE, modulating the balance between vasoconstrictors and vasodilators within the heart and kidney, and playing a significant role in regulating cardiovascular and renal function.
引用
收藏
页码:166 / 169
页数:4
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