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Protective effects of zinc oxide nanoparticles against doxorubicin induced testicular toxicity and DNA damage in male rats.

ABSTRACT: The present study aims to investigate the protective effects of zinc oxide nanoparticles (ZnO NPs) on doxorubicin-induced testicular injury. Forty mature male rats were randomly allocated into four equal groups: G1 (control), G2 (3 mg per kg BW of zinc oxide nanoparticles was administered), G3 (6 mg per kg BW of doxorubicin was intraperitoneally injected), and G4 (doxorubicin + ZnO NPs). Some fertility parameters, antioxidant status, genotoxicity assay, and a histopathological examination were used for this investigation. The doxorubicin-treated group showed a significant decrease in the index weight of reproductive organs, epididymal sperm count, motility%, and live sperm% and a significant increase in sperm abnormalities. Moreover, GSH and CAT activities were significantly decreased, and MDA content was significantly increased in the doxorubicin-treated group. Interestingly, co-administration of ZnO NPs significantly reduced the doxorubicin-induced changes in the investigated parameters. In addition, ZnO NPs alone did not show any undesirable effects on the sperm parameters, testis or DNA. However, its administration improves the reproductive parameters and significantly increases the testosterone level. We concluded that the administration of ZnO NPs at 3 mg per kg BW ameliorated the testicular toxicity and genotoxicity caused by doxorubicin through its antioxidant and androgenic activity.

SUBMITTER: El-Maddawy ZK

PROVIDER: S-EPMC6762007 | biostudies-literature | 2019 Sep

REPOSITORIES: biostudies-literature

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Protective effects of zinc oxide nanoparticles against doxorubicin induced testicular toxicity and DNA damage in male rats.

El-Maddawy Zeynab Khamis ZK Abd El Naby Walaa Slouma Hamouda WSH

Toxicology research 20190615 5

The present study aims to investigate the protective effects of zinc oxide nanoparticles (ZnO NPs) on doxorubicin-induced testicular injury. Forty mature male rats were randomly allocated into four equal groups: G1 (control), G2 (3 mg per kg BW of zinc oxide nanoparticles was administered), G3 (6 mg per kg BW of doxorubicin was intraperitoneally injected), and G4 (doxorubicin + ZnO NPs). Some fertility parameters, antioxidant status, genotoxicity assay, and a histopathological examination were u ...[more]

PMID: 31588342

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Project description:The present work is aimed to assess the protective influence of zinc oxide resveratrol nanoparticles against oxidative stress-associated testicular dysfunction. The number of 50 male albino rats were randomly separated into five groups (n = 10): Group I, control: rats gavage distilled water orally; Group II, Levofloxacin: rats that administered Levofloxacin (LFX) softened in distilled water at a dosage of 40 mg/kg-1 BW orally every other day; Group III, Zn-RSV: rats administered with Zn-RSV (zinc oxide resveratrol in distilled water at a dose 20 mg/kg-1 BW orally every other day; Group IV, (LFX + Zn-RSV): rats that were administered with Levofloxacin along with Zn-RSV nPs; Group V, Levofloxacin + Zn: rats were administered with Levofloxacin and Zno at a dose of 20 mg/kg-1 BW orally every other day as mentioned before. This study lasted for 2 months. Sera were collected to assess luteinizing hormone (LH), follicle-stimulating hormone (FSH), and testosterone values. Testicular tissues were utilized to evaluate levels of superoxide dismutase (SOD), nitric oxide (NO), malondialdehyde (MDA), and catalase (CAT). Semen samples were utilized to measure their quality (motility, concentration, and vitality). Histopathological and immune histochemical techniques investigated the morphological changes in the testis. Rats treated with Levofloxacin showed significantly lower levels of serum LH, testosterone, FSH, testicular enzymatic NO, catalase, SOD, BAX, and BCL-2 immune reactivity and sperm quality but significantly greater testicular malondialdehyde and caspase-3 immuno-reactivity Compared to both control and zinc oxide resveratrol treatment. Zinc oxide resveratrol nanoparticles ameliorated the harmful side effects of Levofloxacin. Improvements were more pronounced in the co-treatment (LFX + Zn-RSV) Zinc oxide resveratrol group than in the co-treatment (LFX + Zno) Zinc oxide group. Zinc oxide resveratrol nanoparticles could be a possible solution for levofloxacin oxidative stress-induced fertility problems.

Project description:Doxorubicin (DOX) is a powerful chemotherapeutic agent used in many types of malignancies. However, its use results in testicular damage. DOX-induced testicular damage results in low level of serum testosterone which may affect cognitive function. The current study investigated the protective effect of liraglutide (50, 100 μg/kg/day) in testicular toxicity and the consequent cognitive impairment induced by DOX. DOX treatment reduced sperm count (62%) and sperm motility (53%) and increased sperm abnormalities (786%), as compared to control group. DOX also reduced serum testosterone level (85%) and the gene expression of testicular 3β-HSD (68%) and 17β-HSD (82%). Moreover, it increased testicular oxidative stress (MDA and GSH) by 103% and 59%, respectively, apoptotic (caspase-3 and P53) by 996% and 480%, respectively. In addition, DOX resulted in increasing autophagic markers including PAKT, mTOR, and LC3 by 48%, 56%, and 640%, respectively. Additionally, rats' behavior in Y-maze (60%) and passive avoidance task (85%) was disrupted. The histopathological results of testis and brain supported the biochemical findings. Treatment with liraglutide (100 μg/kg/day) significantly abrogated DOX-induced testicular damage by restoring testicular architecture, increasing sperm count (136%) and sperm motility (106%), and decreasing sperm abnormalities (84%) as compared to DOX group. Furthermore, liraglutide increased serum testosterone (500%) and steroidogenesis enzymes 3β-HSD (105%) and 17β-HSD (181%) along with suppressing oxidative stress (MDA and GSH) by 23% and 85%, respectively; apoptotic (caspase-3 and P53) by 59% and55%, respectively; and autophagic markers including PAKT, mTOR, and LC3 by 48%, 97%, and 60%, respectively. Moreover, it enhanced the memory functions in passive avoidance and Y-maze tests (132%). In conclusion, liraglutide is a putative agent for protection against DOX-induced testicular toxicity and cognitive impairment through its antioxidant, antiapoptotic, and antiautophagic effects.

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Protective effects of zinc oxide nanoparticles against doxorubicin induced testicular toxicity and DNA damage in male rats.

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Protective effects of zinc oxide nanoparticles against doxorubicin induced testicular toxicity and DNA damage in male rats.

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