Effects of Virgin Coconut Oil on Aluminium Chloride-Induced Alzheimer-Like Dementia in the Prefrontal Cortex
Journal of Advances in Medical and Pharmaceutical Sciences,
Aims: The aim of this investigation is to study the effect of virgin coconut oil on the prefrontal cortex upon aluminium chloride-induced Alzheimer- likes dementia.
Study Design and Methodology: Twenty-eight (28) adult male Wistar rats were used and were randomly assigned into four groups:
Group A: Considered to be the control group which took water and food daily.
Group B: Virgin coconut oil treated group, were administered virgin coconut oil orally with 1700 mg/kg BW for 42 days.
Group C: Aluminium chloride treated group, were administered Aluminium chloride orally with 200 mg/kg BW for 42 days.
Group D: Aluminium chloride + virgin coconut oil treated group, the Wistar rats were administered Aluminium chloride orally with 200 mg/BW for 21 days and then virgin coconut oil orally with 1700 mg/BW for the next 21 days.
The neurobehavioural investigation was done after the experiment to evaluate learning and memory using Barnes Maze. Animals were sacrificed by cervical dislocation. The whole brain was carefully excised from the skull. Prefrontal cortex was removed and fixed in 10% formal saline for histological analysis which includes H&E stain for general histoarchitecture and Cresyl fast violet for Nissl substance.
Place and Duration of Study: The study was done in Babcock University and approved by the Babcock University Ethics commission (BUHREC) with the BUHREC number 672/16. The experiment took the total of 45 days.
Results: Neurobehavioral study revealed a significant high latency in the animals treated with Aluminium chloride when compared with control and other treated groups.
H &E technique, as well as Cresyl fast violet, did not show any observable altered morphological presentation in the control and VCO treated groups. Also, a cellular density between the control and virgin coconut oil group appears normal across the cortical layers with appreciable spines and neuronal projections. The Aluminium chloride treated group induced degenerative changes in the cortex and was characterized by fragmented pyramidal and granule cell layer with observable pyknotic cells. Also, there was a comparatively increased cell density in the cortical layers of the VCO and Aluminium chloride + VCO treated groups.
Conclusion: Findings from this study support the view that, virgin coconut oil has ameliorative effects which neutralize the adverse effect of Aluminum chloride and tried to restore the integrity of the prefrontal cortex.
- Prefrontal cortex
- virgin coconut oil
- aluminium chloride
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