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Re-evaluating serum angiotensin-converting enzyme in sarcoidosis
Shi-Yue Zheng1, Xin Du1, Jian-Zeng Dong1,2
1Department of Cardiology, Beijing Anzhen Hospital, Capital Medical University, Beijing, China.
Frontiers in Immunology
|October 23, 2023
Summary
Sarcoidosis is a systemic inflammatory disease. Elevated serum angiotensin-converting enzyme (ACE) levels, due to granuloma expression, aid in diagnosing sarcoidosis and assessing treatment effectiveness.
Area of Science:
- Immunology
- Pulmonology
- Genetics
Background:
- Sarcoidosis is a multisystem inflammatory disease of unknown cause, primarily affecting the lungs and lymph nodes.
- Disease presentation, incidence, and prevalence vary globally.
- Diagnosis relies on clinical findings, imaging, biomarkers, and characteristic noncaseating granulomas on biopsy.
Purpose of the Study:
- To highlight the role of angiotensin-converting enzyme (ACE) in sarcoidosis.
- To explain ACE's function and genetic polymorphism.
- To establish serum ACE as a key diagnostic and prognostic biomarker for sarcoidosis.
Main Methods:
- Review of existing literature on sarcoidosis pathogenesis and biomarkers.
- Analysis of the role of angiotensin-converting enzyme (ACE) in the renin-angiotensin-aldosterone system.
- Examination of ACE expression in sarcoid granulomas and its correlation with serum ACE levels.
Main Results:
- Serum angiotensin-converting enzyme (ACE) levels are elevated in sarcoidosis patients.
- Epithelioid and giant cells within sarcoid granulomas express ACE.
- Increased serum ACE serves as a crucial biomarker for sarcoidosis diagnosis.
Conclusions:
- Serum ACE is a valuable biomarker for diagnosing sarcoidosis.
- Monitoring serum ACE levels can aid in evaluating treatment efficacy and patient prognosis.
- ACE genetic polymorphism may influence disease development.
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