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결핵환자에서 혈청 Angiotensin Converting Enzyme ( ACE ) 활성도와 Tuberculin 반응도의 관계에 대한 연구
조인호(I . H . Jo),도준영(J . Y . Do),김종호(J . H . Kim),이재익(J . Y . Lee),정재천(J . C . Jung),이현우(H . W . Lee),이영헌(Y . H . Lee) 대한내과학회 1989 대한내과학회지 Vol.37 No.5
N/A Angiotensin converting enzyme (ACE) is reported to be elevated in patients with sarcoidosis, Gaucher`s disease, leprosy, silicosis, asbestosis, and histiocytic medullary reticulosis. The serum ACE activity was measured in 45 patients with tuberculosis, 6 patients with cnacer, and 50 normal controls. To investigate the correlation between serum ACE activity and delayed hypersensitivity, tuberculin skin tests were performed and the results were compared with serum ACE levels in patients with pulmonary tuberculosis. The results were as follows: 1) The serum ACE level in tuberculosis patients was not higher than in the normal control group (p>0.1). 2) The serum ACE level in cancer patients tended to be lower than in the normal control group(p<0.1). 3) A correlation between serum ACE activity and the severity of pulmonary tuberculosis was not present. 4) There was a significant inverse correlation between the diameter of the cutaneous reaction to tuberculin and serum ACE is not a useful parameter to indicate severity and progress of pulmonary tuberculosis and that there is an inverse correlation between delayed hypersensitivity and serum ACE level. We suggest that this inverse relationship results from competition for the relevant signal molecules on the macrophage surface.