Cadmium is a known environmental and industrial pollutant with an enormous tissue disrupting potential. Mimosa pudica (M. pudica) is a creeping annual or perennial herb known to possess anti asthmatic, anti-epileptic, anti-tumour, anti-fertility, aphrodisiac, analgesic, anti-depressant, sedative, emetic properties and a strong radical scavenging activity. This research was aimed at investigating the ameliorative effects of M. pudica on cadmium-induced testicular damage in adult male Sprague Dawley rats. Twenty adult Sprague Dawley rats were employed in the study. They were divided into 4 groups (A-D) of 5 rats each, and toxicity was induced by administering 0.4 mg/ml cadmium chloride through drinking water to groups B-D for 21days. M. pudica extract was administered orally at 250 and 500 mg/kg to groups C and D. Animals in Groups C and D showed remarkable histological improvements in testicular tissue and markedly reduced damages when compared with group B.The active sperm motility of group B (6.00 ± 1.00%) was significantly (p = 0.0001) decreased compared to that of the groups A (15.00 ± 0.00%)) and C (13.00 ± 1.22%). Sperm count analysis of group B (1.36 ± 0.28 × 106/cc), C (4.18 ± 0.81 × 106/cc) and D (2.54 ± 1.13 × 106/cc) were significantly lower (p = <0.05) when compared with group A (12.78 ± 0.92 × 106/cc), respectively. Sperm morphology of group A (70.00 ± 3.16%), B (66.00 ± 2.50), C (74.00 ± 2.45%) and D (64.00 ± 2.45%) recorded no significant difference. This study demonstrates that M. pudica has potential protective and restorative properties on the histoarchitecture of the testes of cadmium-treated rats.
Keywords: Cadmium chloride; Mimosa pudica; Sperm count; Sperm morphology; Sperm motility.
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