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The present experiment was performed to investigate the acute effects of cadmium on ultrastructural and biochemical changes in mouse kidney and compare these changes with liver damage. Mouse were injected with cadmium chloride at a dose of 5 mg/kg body weight. After treatment, mouse were sacrificed at time intervals of 6, 12, 24 and 48 hours. It was observed that ultrastructural changes in mouse kidney were composed of swelling of mitochondria, dilation in endoplasmic reticulum, wrinkling at basal infolded membrane, formation of autophagosome and partial loss of microvilli in brush. border, and that ultrastructural changes in liver were mitochondrial change, dilation and deterioration of rough endoplasmic reticulum and proliferation of smooth endoplasmic reticulum. Biochemical effects of cadmium were more severe on liver than kidney. Therefore, acutely injected cadmium caused not only liver damage, but also kidney damage
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