An inhibitor of soluble epoxide hydrolase ameliorates diabetes-induced learning and memory impairment in rats

Prostaglandins & Other Lipid Mediators
Nathani MinazSumanta Kumar Goswami

Abstract

Pharmacological inhibition of soluble epoxide hydrolase (sEH) enhances the synaptic function in the CNS and has a protective role in cognitive decline. We hypothesized that the sEH inhibitor TPPU might prevent the diabetes-induced decline in learning and memory which is associated with an alteration in the level of neurotransmitters and oxidative stress. Type 1 diabetes was induced in rats and the animals were treated with TPPU for 8 weeks. The learning and memory functions were assessed by the Barnes maze and a step-down test. Indicators of oxidative stress, levels of neurotransmitters, and activity of acetylcholinesterase were measured in the discrete regions of the brain. Our results revealed that treatment with TPPU significantly improves learning and memory performance in diabetic rats along with decreasing the level of blood sugar. Moreover, treatment with TPPU significantly prevented the diabetes-induced alteration in levels of neurotransmitters, the activity of acetylcholinesterase and preserved anti-oxidant defence system. Inhibition of the sEH alleviates diabetes-induced decline in learning and memory.

Citations

Feb 23, 2019·Frontiers in Pharmacology·Bomina Park, Timothy W Corson
May 19, 2019·Biomedicine & Pharmacotherapy = Biomédecine & Pharmacothérapie·Nathani MinazSumanta Kumar Goswami

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