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  • Title: Quercetin and rutin ameliorates sulphasalazine-induced spermiotoxicity, alterations in reproductive hormones and steroidogenic enzyme imbalance in rats.
    Author: Osawe SO, Farombi EO.
    Journal: Andrologia; 2018 Jun; 50(5):e12981. PubMed ID: 29512831.
    Abstract:
    Certain dietary flavonoids exhibit protective potentials against drug-induced male reproductive toxicities. We investigated the protective effects of quercetin and rutin on sulphasalazine-induced alterations in steroidogenic enzyme activity, hormone profile and spermiotoxicity in rats. Sulphasalazine (SASP, 600 mg/kg bw) was administered alone or in combination with quercetin (20 mg/kg bw) or rutin (10 mg/kg bw) for 14 days. SASP treatment significantly increased relative weights of the epididymis and seminal vesicles. Also, testicular and epididymal sperm numbers (TSN, ESN), motility, daily sperm production (DSP) and acrosome reaction (AR) significantly decreased. SASP altered plasma testosterone, luteinising hormone (LH) and follicle-stimulating hormone (FSH) levels while testicular cholesterol levels, 3β-hydroxysteroid dehydrogenase (3β-HSD) and 17β-hydroxysteroid dehydrogenase (17β-HSD) activities were decreased. Elevated malondialdehyde levels and concomitant decrease in reduced glutathione, glutathione-S-transferase, peroxidase and superoxide dismutase activities were evident in testis and epididymis of SASP-treated rats. Quercetin or rutin co-treatment with SASP significantly reversed organ weights, preserved sperm integrity, restored plasma hormone levels and increased cholesterol levels, 3β-HSD and 17β-HSD activities in testis. Both flavonoids also prevented oxidative stress in testis and epididymis of SASP-treated rats. Quercetin and rutin protect against the negative effects of SASP treatment on reproductive capacity in male rats.
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