alexa Protective effects of antioxidants on age-related changes in the electrophoretic patterns of cardiac LDH, hepatic ALP and serum proteins in male golden hamster.
Biomedical Sciences

Biomedical Sciences

Biology and Medicine

Author(s): ElZayat E, Amin Amer S

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Abstract Basal and antioxidant-induced changes in the isoenzyme and isoform patterns of cardiac lactate dehydrogenase (EC 1.1.1.27) and hepatic alkaline phosphatase (EC 3.1.3.1), respectively, as well as the electrophoretic patterns of serum proteins in different age groups of male golden hamster were compared. This is to test whether age-induced changes could be corrected by long-term administration of antioxidants. Data indicated that aging causes no remarkable change in the total activity of either cardiac LDH or hepatic ALP, however a significant increase in the fractional activity of some cardiac LDH isoenzymes and a significant reduction in the fractional activity of some hepatic ALP isoforms were induced by aging. On the other hand, long-term administration of antioxidants appeared to manifest a clear counteracting effect on the age-related changes in old age. This effect was indicated in the fractional activity of cardiac LDH isoenzymes and of hepatic ALP isoforms. The present study has also shown a wide-range variation in serum protein patterns due to aging and/or antioxidant administration, which indirectly reflect a parallel variation in the process of gene expression and/or proteolytic activity. Copyright 2003 John Wiley & Sons, Ltd. This article was published in Cell Biochem Funct and referenced in Biology and Medicine

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