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angiotensin-converting enzyme (ACE):

This test measures the amount of angiotensin-converting enzyme (ACE) in the blood. ACE is an enzyme produced by endothelial cells to help regulate blood pressure. It catalyzes the conversion of angiotensin I (an inactive protein) to angiotensin II. Angiotensin II functions as a strong vasopressor - it causes arteries to contract, making them temporarily narrower and increasing the pressure of the blood flowing through them. ACE is produced throughout the body, but is especially concentrated in the lungs

Increased amounts of ACE lead to

Sarcoidosis a systemicdisorder of unknown cause that often affects the lungs but may also affect many other body organs including the eyes, skin, nerves, liver, and heart. ACE blood levels frequently increase when sarcoidosis-related granulomas develop

هذا الاختبار يقيس مقدار أنجيوتنسين في الدم. و هو انزيم تنتجه خلايا باطنية ويعمل على تنظيم ضغط الدم. وايضا يحفز تحويل أنجيوتنسين الأول (وهو بروتين غير نشط) إلى أنجيوتنسين الثاني.

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