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Iranian Journal of Basic Medical Sciences، جلد ۲۵، شماره ۱۲، صفحات ۱۵۲۸-۱۵۳۶
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عنوان انگلیسی Cobalt exposure triggers impairments in cognitive and anxiety-like behaviors, brain oxidative stress and inflammation, and hippocampo-amygdala histomorphological alterations: Protective role of aqueous Prosopis africana seed extract
چکیده انگلیسی مقاله Objective(s): Cobalt toxicity has become a health concern in recent years, due to overexposure resulting in neurological impairments. With a growing interest in the therapeutic roles of herbs, in toxicity research, it’s worth looking into the curative effects of aqueous Prosopis africana seed extract, a plant rich in flavonoids on cobalt-induced neurotoxicity. Materials and Methods: We treated rats with CoCl2 or CoCl2 in combination with aqueous PA seed extract (PAE) orally for 14 days. Control rats received distilled water for the same period. Following treatments, behavioral experiments, analysis for oxidative stress, inflammation, and histological and immunohistochemical analysis were performed. Results: Results revealed that CoCl2 reduced the exploration time, recognition index in the novel object recognition test, percentage spontaneous alternation in the Y-maze tests, and reduced open arm entry and duration in elevated plus-maze. However, treatment with PAE improved these parameters to levels comparable with those of the control group. Furthermore, PAE therapy reduced CoCl2-induced surge in hydrogen peroxide, malondialdehyde, TNF-α and IL-1β levels in brain homogenate, while also increasing superoxide dismutase and reduced reduced-glutathione activities. CoCl2 exposure resulted in obvious features of neurodegeneration like nuclear disintegration, nuclear shrinkage, and cytoplasmic vacuolations of the cells of the hippocampus and amygdala, with an increased expression of GFAP. The hippocampal and amygdala histology improved after PAE administration, while exacerbated GFAP expressions were attenuated. Conclusion: These findings imply that PAE may be anxiolytic and can help reduce cognitive impairments and hippocampal damage caused by CoCl2 neurotoxicity, via mechanisms that involve attenuation of oxidative stress and inflammation.
کلیدواژه‌های انگلیسی مقاله Amygdala, Cobalt, Hippocampus, Neuroinflammation, Neurotoxicity, Oxidative stress, Prosopis africana
نویسندگان مقاله | Rademene Oria
Department of Human Anatomy, Faculty of Basic Medical Sciences, Cross River University of Technology (CRUTECH), Okuku Campus, Cross River, Nigeria


| Runyi Ben
Department of Human Anatomy, Faculty of Basic Medical Sciences, Cross River University of Technology (CRUTECH), Okuku Campus, Cross River, Nigeria


| Ugochukwu Esomonu
Department of Human Anatomy, Faculty of Basic Medical Sciences, Cross River University of Technology (CRUTECH), Okuku Campus, Cross River, Nigeria


| Precious Essien
Department of Human Anatomy, Faculty of Basic Medical Sciences, Cross River University of Technology (CRUTECH), Okuku Campus, Cross River, Nigeria


| Linda Odinaka
Department of Human Anatomy, Faculty of Basic Medical Sciences, Cross River University of Technology (CRUTECH), Okuku Campus, Cross River, Nigeria


| Gift Etta
Department of Human Anatomy, Faculty of Basic Medical Sciences, Cross River University of Technology (CRUTECH), Okuku Campus, Cross River, Nigeria


| Otu Eyong
Department of Human Anatomy, Faculty of Basic Medical Sciences, Cross River University of Technology (CRUTECH), Okuku Campus, Cross River, Nigeria


| Omamuyovwi Ijomone
The Neuro- Lab, School of Basic Medical Sciences, Federal University of Technology, Akure, Nigeria|Department of Human Anatomy, School of Basic Medical Sciences, Federal University of Technology, Akure, Nigeria
نشانی اینترنتی https://ijbms.mums.ac.ir/article_21236.html
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زبان مقاله منتشر شده en
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نوع مقاله منتشر شده Short Communication
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