Indian Journal of Clinical Biochemistry

, Volume 21, Issue 2, pp 161–164 | Cite as

Plasma oxidant-antioxidant status in different respiratory disorders


This study confirms the fact that in different respiratory disorders, the status of plasma oxidants and antioxidants shifts from normal. The status of oxidants in plasma as represented by malondialdehyde (MDA) levels increased significantly in the conditions of chronic obstructive pulmonary disease (COPD), emphysema, bronchiectasis and bronchial asthma. The two vitamin antioxidants vitamin C and vitamin E showed decreased levels than in controls. In patients with COPD the endogenous antioxidant viz. reduced glutathione (GSH) estimated from whole blood was comparable to that of control group, whereas in patients with emphysema, bronchiectasis and bronchial asthma, GSH concentration was increased to that of control group. The activity of enzyme superoxide dismutase (SOD) was significantly decreased in all study groups. Pulmonary function tests were found to have no correlation with MDA and antioxidants

Key words

Vitamin antioxidants Endogenous antioxidants Respiratory disorders MDA 


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Copyright information

© Association of Clinical BIochemists of India 2006

Authors and Affiliations

  1. 1.Department of BiochemistryLokmanya Tilak Municipal Medical CollegeMumbaiIndia
  2. 2.727 Dhanwantari SocietyDeonar Municipal ColonyMumbaiIndia

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