Browsing by Author "Folarin, O. R."

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    Clofibrate, a PPAR‐α Agonist, Abrogates Sodium Fluoride‐Induced Neuroinflammation, Oxidative Stress, and Motor Incoordination Via Modulation of GFAP/Iba‐1/Anti‐calbindin Signaling Pathways
    (Wiley, 2020) Oyagbemi, A. A.; Adebiyi, O. E.; Adigun, K. O.; Ogunpolu, B. S.; Falayi, O. O.; Hassan, F. O.; Folarin, O. R.; Adebayo, A. K.; Adejumobi, O. A.; Asenuga, E. R.; Ola-Davies, O. E.; Omobowale, T. O.; Olopade, J. O.; Saba, A. B.; Adedapo, A. A.; Nkadimeng, S. M.; McGaw, L. J.; Oguntibeju, O. O.; Yakubu, M. A.
    Fluoride is an environmental contaminant that is ubiquitously present in air, water. and soil. It is commonly added in minute quantity to drinking water, toothpaste, and mouth rinses to prevent tooth decay. Epidemiological findings have demonstrated that exposure to fluoride induced neurodevelopmental toxicity, developmental neu- rotoxicity, and motor disorders. The neuroprotective effect of clofibrate, a peroxi some proliferator-activated receptor alpha agonist, was investigated in the present study. Forty male Wistar rats were used for this study and randomly grouped into 10 rats per group as control, sodium fluoride (NaF) alone 1300 ppm), NaF plus clofi- brate (250 mg/kg), and NaF plus lisinopril (10 mg/kg), respectively, for 7 days. Naf was administered in drinking water while clofibrate and lisinopril were administered by oral gavage, Markers of neuronal inflammation and oxidative stress, acetylcholin- esterase activity, and neurobehavioral thanging wire and open field) tests were per- formed. Immunohistochemistry was performed on brain tissues, and they were probed with glial fibrillary acidic protein, ionized calcium-binding adaptor molecule 1, and cerebellar Ca2-binding protein calbindin-D28k. The results showed that NaF sig nificantly increased of oxidative stress and neuroinflammation and inhibited AChE activity. Immunostaining showed reactive astrocytes, microgliosis, loss of dendritic spines, and arborization in Purkinje cells in rats administered only Naf. Neuro- behavioral results showed that cotreatment of NaF with clofibrate improved muscu lar strength and locomotion, reduced anxiety, and significantly reduced astrocytic count. Overall, cotreatment of Naf with either clofibrate or lisinopril showed neuro- protective effects by mitigating neuronal inflammation and oxidative and motor inco ordination. Hence, clofibrate could be seen as a novel drug candidate against neurodegeneration and motor disorders.