Monoisoamyl DMSA reduced copper-induced neurotoxicity by lowering 8-OHdG level, amyloid beta and Tau protein expressions in Sprague-Dawley rats.

Metallomics : Integrated Biometal Science
Jayant PatwaSwaran J S Flora

Abstract

copper dyshomeostasis has long been linked with several neurodegenerative disorders. The binding of Cu with amyloid beta and other neuronal proteins in the brain leads to the generation of oxidative stress, which eventually causes neurotoxicity. the present study was aimed at elucidating the efficacy of monoisoamyl 2,3-dimercaptosuccinic acid (MiADMSA) and d-penicillamine (DPA) (0.3 mEq kg-1, oral administration for 2 weeks) against Cu(ii)-induced (20 mg kg-1, oral administration for 16 weeks) neurotoxicity in Sprague-Dawley (SD) rats. we observed that the MiADMSA treatment modulated the altered oxidative and nitrosative stress parameters, antioxidant enzymes, and acetylcholinesterase (AChE) activity. Significant improvements were noticed in the neurobehavioral parameters except for the memory parameter. We also observed moderate improvement of memory impairment in the rats treated with MiADMSA and DPA post Cu(ii) exposure, as assessed by a passive avoidance test. Disease progression involves multiple factors and results in the up-regulation of intra and extracellular proteins such as amyloid beta and tau proteins; the expressions of these proteins were significantly reduced by the treatment proposed in our study, and these res...Continue Reading

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Methods Mentioned

BETA
ELISA
NMR
MDA
transgenic
nuclear magnetic resonance

Software Mentioned

Autodock Vina
ANY
nova
Discovery Studio Visualizer
GraphPad ( Prism
maze

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