DOSE-DEPENDENT AMELIORATION OF EPIGALLOCATECHIN-3-GALLATE AGAINST SODIUM VALPROATE INDUCED AUTISTIC RATS
Journal Title: International Journal of Pharmacy and Pharmaceutical Sciences - Year 2017, Vol 9, Issue 4
Abstract
Objective: Autism is a neurodevelopment related disorder with a range of clinical presentations attending serious behavioral and neurological disorders among young children that now occur at epidemic rates in developing countries, India included. The objective of this research was to study the effect of epigallocatechin gallate (EGCG) on sodium valproate-induced autism rats.Methods: On the 12th day of gestation wistar rats were administered with a single intraperitoneal injection of sodium valproate (VPA) (600 mg/kg body weight), which induced autism. The rats were treated with EGCG in varying doses 1, 2 and 5 mg/kg body weight via oral administration. The neuroprotectivity effect of the EGCG was followed by assessing the neurotransmitters and neurobiochemical activities such as serotonin, glutamate and nitrite levels in hippocampus and cerebellum region of the brain. Results: Early prenatal exposure to VPA provokes autistic symptoms. Induction of autism significantly impinged the neurotransmitters and neurochemicals such as serotonin, glutamate and nitrite levels in the brain (hippocampus and cerebellum) increased significantly in the rats exposed to VPA. After treatment with an effective dose of EGCG 2 mg/kg body weight the neurotransmitters and neurochemicals levels were decreased when compared with control and VPA-exposed rats. Conclusion: EGCG ameliorates and reverses autistic attributes possibly due to its neuroprotective activity which could pave the way for future investigation for the possible therapeutic approach.
Authors and Affiliations
Palanisamy Kumaravel, Gabriel Melchias, Nayagam Vasanth, Tamilarasan Manivasagam
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