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IJBB Vol.47(5) [October 2010] >


Title: Age-associated changes in erythrocyte glutathione peroxidase activity: Correlation with total antioxidant potential
Authors: Maurya, Pawan Kumar
Kumar, Prabhanshu
Siddiqui, Nahid
Tripathi, Preeti
Rizvi, Syed Ibrahim
Keywords: Glutathione peroxidase
Aging
Human
Oxidative stress
Issue Date: Oct-2010
Publisher: NISCAIR-CSIR, India
Abstract: Oxidative stress is believed to play a central role in aging and age-associated diseases. It leads to oxidative changes in human red blood cells (RBCs) in vivo and in vitro. In this study, we evaluated the oxidative damage to the erythrocytes during aging in the humans using RBC as a model, by measuring the cytosolic antioxidant enzyme glutathione peroxidase (GPx) activity. GPx activity was found to be significantly decreased as a function of human age and positively correlated with total antioxidant capacity, while negatively correlated with SOD activity. Thus, results of the present study showed involvement of oxidative stress as one of the risk factors, which can initiate and/or promote human aging.
Page(s): 319-321
CC License:  CC Attribution-Noncommercial-No Derivative Works 2.5 India
ISSN: 0975-0959 (Online); 0301-1208 (Print)
Source:IJBB Vol.47(5) [October 2010]

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