Abstract
Abnormal production and function of surfactants are associated with pulmonary diseases. Also, pulmonary infections alter surfactant metabolism. Due to lack of information on the levels of surfactants A (SP-A) and D (SP-D) in Nigerian tuberculosis (TB) patients, this study assessed these surfactants in both sputum and serum of drug sensitive- and multidrug resistant- TB patients using ELISA. The aim is to explore the diagnostic or therapeutic potential of SP-A and SP-D in TB patients. Also, to find out appropriate sample for the analyses of SP-A and SP-D in TB patients. The mean serum levels of SP-A and SP-D were not significantly reduced in MDR-TB (n=30) and DS-TB patients (n=30) compared with non-TB apparently healthy controls (n=30) (p > 0.05). Mean sputum levels of SP-A and SP-D were significantly reduced in DS-TB patients compared with the levels in MDR-TB patients (p < 0.05). These findings suggest that the sputum SP-D and SP-A levels but not serum SP-D and SP-A levels are useful indicators of the disease activity in pulmonary TB patients. Keywords: Tuberculosis, Surfactants, Diagnosis, Nigeria
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