Effect of compaind extract of Portulaca olerace, Urtica dioica and Boswellia serrata on memory and number of neurons in CA1 area of hippocampus in induced multiple sclerosis rats
Message:
Abstract:
Background and Objective
Multiple Sclerosis (MS) is a neurologic necrotic and chronic illness that causes by demyelination in CNS. One of the common clinical symptoms in MS is cognitive disorders. The most common cognitive defects in patients with MS are reduction of memory and information processing rate hippocampus functions in brain are memory and learning. This study was done to determine the function mechanism of memory discover by study on hippocampus. Nowadays tendency of herbal therapy is increased because of drug's side effects. This study's purpose that is from experimental typ effect of compaind extract of Portulaca olerace, Urtica dioica and Boswellia serrata on memory and number of neurons in CA1 area of hippocampus in induced multiple sclerosis rats.
Methods
In this experimental study 30 male adult rats were randomly allocated into control group, sham group (salin injection), (MS + salin) group, (MS + mixture extract, dose of 200 mg/kg), (MS + mixture extract, dose of 400 mg/kg). MS model was induced by intra hippocampal injection a single dose of ethidium bromide (0.01% ethidium bromide sulotion in 0.9% salin) and in 3 microlitre volume with 1 microlitre in minute rate intraperitoneally. Compaind extract of Portulaca olerace, Urtica dioica and Boswellia serrata were injected as the treatment for 21 days. The shuttle box test was used for evaluation of memory. Dissector method was used for neural density in CA1 of hippocampus. Histopathology method was used for evaluation of the alteration of cells.
Results
Neural density in MS induced group was singnificantly reduced in comparison with control and sham groups (P<0.05). Neural density was singnificantly increased in treatment groups in comparison with MS induced group (P<0.05). Histological results showed that induction of MS caused the disrution of neuron cells in compare to controls, but intraperitonal injection of compaind extract cause neurogenesis in tertment groups. Memory in MS induced group was singnificantly reduced in comparison with control and sham groups (P<0.05), but memory was singnificantly increased in treatment groups in comparison with MS induced group (P<0.05).
Conclusion
Compaind extract of Portulaca olerace, Urtica dioica and Boswellia serrata with dosages of 200 and 400 mg/kg/bw due to neurogenesis and amilioration can effective in memory recovery and neural necrosis in MS disease.
Article Type:
Research/Original Article
Language:
Persian
Published:
Journal of Gorgan University of Medical Sciences, Volume:21 Issue: 3, 2019
Pages:
57 - 62
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