Volume 29, Issue 176 (9-2019)                   J Mazandaran Univ Med Sci 2019, 29(176): 189-194 | Back to browse issues page

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Hajinezhad M R, Jamshidian A, Samzadeh kermani A. A Comparative Histopathological Investigation of the Effects of ZnO/ Chitosan Nanocomposites and ZnO Nanoparticles on Thioacetamide-induced Nephrophaty in Rats. J Mazandaran Univ Med Sci. 2019; 29 (176) :189-194
URL: http://jmums.mazums.ac.ir/article-1-12682-en.html
Abstract:   (1021 Views)
 Background and purpose: This study compared the effects of intraperitoneal injections of ZnO/chitosan nanocomposite and ZnO nanoparticles on histopathology of kidney in thioacetamide-intoxicated rats.
Materials and methods: Twenty-eight male rats were randomly allocated into a healthy control group (negative control), positive control group (thioacetamide-intoxicated rats), thioacetamide-intoxicated + ZnO nanoparticles, and thioacetamide- iontoxicated + ZnO/chitosan nanocomposite. Nephropathy was induced by intraperitoneal injection of thioacetamide (50 mg/kg IP) three times (24h interval). The treatment groups were treated with ZnO nanocomposites (5mg/kg) and ZnO nanoparticles (5mg/kg) intraperitoneally for four weeks. Then, serum BUN and creatinine levels were measured. Afterwards, the rats were euthanized and kidney samples were separated for histological examinations.
Results: There were significant increases in serum BUN and creatinine levels in thioacetamide-intoxicated rats compared to those in the control group (P<0.05). Compared to the control group, ZnO nanoparticles –treated group was found with significantly higher serum BUN and creatinine levels (P<0.05). There was no significant difference between the rats treated with ZnO/chitosan nanocomposites and the positive control group in BUN and creatinine levels (P>0.05). In histological analysis, tubular necrosis and glomerular fibrosis were observed in treatment groups.
Conclusion: This study showed that ZnO nanoparticles can increase nephrotoxicity induced by thioacetamide, but, ZnO/chitosan nanocomposite had no effect on thioacetamide induced nephrotoxicity.
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Type of Study: Brief Report | Subject: Nephrology

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