Abstract
ABSTRACT Objective To investigate the possible ameliorative effect of crude water extract of Morus alba ( M. alba ) leaves on retinopathy of rat pups maternally subjected to diabetes and/or Al intoxication. Methods Both control and experimental groups were subjected to certain integrated approaches, namely, biochemical assessments, light microscopic investigation, transmission electron microscopic investigation, single cell gel electrophoresis (comet assay) and determination of DNA fragmentation. Results The retina of pups of diabetic and/or Al-intoxicated mothers exhibited abnormal alterations in retinal cell layers including retinal pigmented epithelium, photoreceptor inner segment and ganglion cells. Increased incidence of DNA fragmentation and apoptosis were evident in pups of diabetic and/or Al-intoxicated mothers. However, retina of pups maternally received M. alba extract plus diabetes or Al-intoxicated alone or in combination showed marked amelioration. Less degree of ameliorations was seen in retina of pups maternally subjected to combined treatment. Furthermore, application of crude water extract of M. alba resulted in amelioration of the alterations of maternal serum glucose as well as Al concentration. Conclusions Based on the results of the present study, M. alba extract is effective against experimentally diabetic and Al-induced developmental retinopathy.
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