Histological Study on the Protective Role of Ascorbic Acid on Cadmium Induced Cerebral Cortical Neurotoxicity in Adult Male Albino Rats

Journal of Microscopy and Ultrastructure
Omayma Kamel Afifi, Azza Saleh Embaby

Abstract

Cadmium (Cd) toxicity represents a worldwide problem in environmental contamination and a common cause of occupational and non-occupational neurological diseases. So, this study aimed to evaluate the histological changes induced by Cd on the cerebral cortex of adult rats and evaluating the possible ameliorating role of ascorbic acid (AA). Twenty adult male rats were divided into; control group, AA group (each rat was received a daily oral dose of 200 mg AA/kg body weight (b.w) and Cd group (each rat was received 5 mg Cd/kg b.w orally) and protective group (each rat was given AA concomitantly with Cd at the same dose, route and period of administration of the previous groups. After two months the cerebral cortexes were processed for histological examination. The cerebral cortex of Cd treated animals exhibited severe degenerative changes especially in pyramidal and granule cells. Structural changes in these cells were in the form of dilated rER and Golgi complex, swollen mitochondria and marginated nuclear chromatin. Myelinated nerve fibers displayed myelination disruption and irregular neurofilaments. The neuropil appeared vacuolated with accumulation of neuroglial cells. On the other hand, these changes were ameliorated in rats...Continue Reading

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Citations

Aug 31, 2019·Environmental Science and Pollution Research International·Hanan S Alnahdi, Iman A Sharaf
Jul 29, 2020·The Anatomical Record : Advances in Integrative Anatomy and Evolutionary Biology·Marwa A A IbrahimNoha R M Elswaidy
Aug 29, 2020·International Journal of Toxicology·Attalla Farag El-KottMashael Mohammed Bin-Meferij
Nov 11, 2018·Molecular Biology Reports·Rafa S AlmeerAhmed E Abdel Moneim
Jan 27, 2017·Neural Regeneration Research·Saleh Al-QuraishyAhmed E Abdel Moneim

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Methods Mentioned

BETA
electron microscopy

Software Mentioned

Leica

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