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Effect of diabetes on the enzymes of the cholinergic system of the rat brain
Authors:Z Z Wahba  K F A Soliman
Institution:(1) College of Pharmacy and Pharmaceutical Sciences, Florida A & M University, 32307 Tallahassee, Florida, USA
Abstract:Summary Choline acetyltransferase (ChAT) and acetylcholinesterase (AChE) activities were determined in several brain regions of normal and streptozotocin-induced diabetic rats. The diabetic rats exhibited significant increase in ChAT activity (p<0.05) in all brain regions studied except for the cortex and the midbrain. Meanwhile, the diabetes condition was associated with significant increase (p<0.05) in AChE activity of the bulbus olfactorius, medulla oblongata and cerebellum. These data suggest that uncontrolled diabetes is associated with significant alterations in the brain cholinergic systems.To whom requests of reprints should be addressed.This work was supported by grants from the National Aeronautics and Space Administration (NSG 2183 and NAG-2-411), a grant from the National Institutes of Health (NIH Grant RR0811) and a grant from the Division of Research Resources, National Institutes of Health (NIH Grant RR03020).
Keywords:Choline acetyltransferase  acetylcholinesterase  brain  diabetes
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