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    Aflatoxins are mycotoxins produced by Aspergillus spp. which is a common contaminant of food items such as corn, spices, rice, nuts, and flour. Aflatoxin contamination of foods is a worldwide problem. Chronic aflatoxin exposure is found to be associated with Sciatic nerve damage. In vivo study was carried out to evaluate the toxic effect of aflatoxin B1 (AFB1) on the Sciatic nerve. Twenty-one adult male rats were included and divided equally into 3 groups (7 rats each): Group I (control group), group II (olive oil group) and group III: (AflatoxinB1 group). The rats received AFB1 (250 μg/kg B.W./day) orally by gastric tube 5 days/week for 4 weeks. Sciatic nerve specimens were prepared, and semi-thin sections were stained with Toluidine blue, examined by light microscope and photographed. Ultrathin sections (50-80 nm) from selected areas of the trimmed blocks were made, examined and photographed by transmission electron microscopy (JEOL-JSM-1011) in King Saud University Electron Microscopy Unit. The findings indicate that the administration of AFB1 to rats' results in degeneration in the sciatic nerve in the form of Wallerian degeneration in the myelin sheath. Macrophages appear to engulf the degenerated myelin and neutrophils.


    Madiha M M Makhlouf. Histological and ultrastructural study of AflatoxinB1 induced neurotoxicity in Sciatic nerve of adult male Albino rats. Ultrastructural pathology. 2020 Jan 02;44(1):52-60

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    PMID: 31893473

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