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Updated: Oct 9, 2026
Bronchoalveolar Lavage of Murine Lungs to Analyze Inflammatory Cell Infiltration
Published on: May 4, 2017
[A study on enzymatic activities of bronchoalveolar lavage fluid in patients with interstitial lung diseases]
1Affiliated ZhongShan Hospital of Shanghai Medical University, Shanghai 200032.
Objective:
To evaluate the relationship between enzymatic activities in bronchoalveolar lavage fluid(BALF) and interstitial lung diseases(ILDs).
Method:
Cellular components and levels of superoxide dismutase (SOD), glutathione peroxidase(GSH-PX), angiotensin converting enzyme(ACE) and lactate dehydrogenase(LDH) in BALF in 30 cases of ILDs: including 18 patients with idiopathic pulmonary fibrosis (IPF) and 12 patients with sarcoidosis (Sarc) and 9 healthy controls were determined.
Result:
(1) The levels of BALF-SOD, GSH-PX were significantly decreased(P < 0.01), and BALF-ACE, LDH were markedly increased (P < 0.05) in patients with IPF, and BALF-ACE were also increased in patients with Sarc(P < 0.05); (2) There were good correlation between ACE and percentage of lymphocyte (r1 = 0.6574, P < 0.05), and ratio of CD4+/CD8+ (r2 = 0.9544, P < 0.001) in BALF of Sarc group.
Conclusion:
Determining enzymatic activities could be helpful to study pathogenesis and diagnosis of ILDs, BALF-ACE may be as a good marker of disease activity of Sarcoidosis.
