| ACE - Angiotensin-Converting Enzyme 1
Abbreviation: ACE, ACE1, CD143
Type: Zinc metallopeptidase / renin-angiotensin system enzyme
Function: Converts angiotensin I to the biologically active vasoconstrictor angiotensin II and degrades bradykinin. ACE regulates blood pressure, vascular function, inflammation, oxidative stress, fibrosis, angiogenesis, and tissue remodeling through the classical renin-angiotensin system.
Cancer: ↑ Increased ACE/angiotensin II signaling can promote tumor-associated inflammation, angiogenesis, proliferation, fibrosis, invasion, and metastasis, particularly through downstream AT1R signaling. ACE inhibition can suppress tumor growth and angiogenic signaling in several experimental cancer models.
Alzheimer's Disease: ↕ Context-dependent. ACE participates in potentially harmful angiotensin II-mediated vascular, oxidative, and inflammatory signaling, but also directly degrades amyloid-β and can convert Aβ42 toward Aβ40. ACE levels and activity therefore show complex compartment-dependent relationships with Alzheimer's pathology.
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