Efficacy of jamun Syzygium cumini seed and orange Citrus sinensis peel extracts against microcystin LR induced histological damage in the kidney of rat

Resumen

In this study we evaluated the protective effects of jamun Syzygium cumini seed and orange Citrus sinensis peel extracts on renotoxicity of microcystin LR in male rats. Groups A-F were given daily treatments for 30 days. Group A (Control): No treatment was given; Group B: microcystin (10 µg/kg body wt); Group C: microcystin (10 µg/kg body wt) and jamun seed extract (200 mg/kg body wt); Group D: microcystin (10 µg/kg body wt) and orange peel extract (200 mg/kg body wt; Group E: orange peel extract (200 mg/kg body wt); Group F: jamun seed extract (200 mg/kg body wt). Kidney were fixed at 15th and 30th day after the treatments. In 15 day MCLR (group B) treated rats shrunken glomeruli, hypertrophy of epithelial cells of tubules. vacuolation of cytoplasm and obliterated tubular lumina were noticed. In MCLR+JSE (group C) and MCLR+OPE (group D) treated rats almost similar changes were noticed as seen in MCLR treated rats. In OPE (group E) and JSE (group F) treated rats no visible morphological alterations were noticed. Following 30 day MCLR treatment (group B), increased cellularity of glomeruli, no space between the Bowman’s capsule and glomerulus, glomerular degeneration, dilated tubules, separation of tubular epithelial cells from underlying basement membrane, tubular vacuolization and degeneration with necrotic nuclei in lumina and deposition of eosin-positive material in the tubules were observed. In MCLR+JSE (group C) and MCLR+OPE (group D) treated rats the glomeruli were swollen showing increased cellularity. No degeneration was noticed in glomeruli. Tubules were dilated, however, at few places few epithelial cells were degenerating. Necrotic nuclei were not seen in tubular lumina. In OPE (group E) and JSE (group F) treated rats the kidney exhibited no histological changes.

Citas

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