Abstract
Oxidative stress is implicated in the pathogenesis of different human diseases: Alzheimer, Parkinson, Huntington, amyotrophic lateral sclerosis (Lou Gehrig's disease), Down’s syndrome, atherosclerosis, vascular disease, cancer, diabetes mellitus type 1 and type 2, age – related macular degeneration, psoriatic arthritis. The aim of current study is to summarize the scientific evidences for the antioxidant and neuroprotective activity of Galantamine and some of its derivatives. Galantamine is a scavenger of reactive oxygen species and causes neuroprotective effect by lowering the oxidative neuronal damage, through the following pathways: 1) prevention of the activation of P2X7 receptors; 2) protection of mitochondrial membrane potential; 3) pre – vention of the membrane fluidity disturbances. Another mechanism is the decreasing of the overproduction of reactive oxygen species, a result from the increasing of acetylcholine level due to: 1) acethylcholinesterase inhibition; 2) allosteric potentiation of α7 – subtype of nicotinic acetylcholine receptors. A close relationship between acethylcholinesterase inhibition and reduced oxidative injury is observed. Through allosteric potentiation of the α7 – subtype of nicotinic acetylcholine receptors, the drug leads to induction of phosphorylation of serine – threonine protein kinase, stimulates phosphoinositide 3 – kinase and elevates the expression of protective protein Bcl – 2. By activation of these important neuroprotective cascades, Galantamine exerts neuroprotection against a variety of cytotoxic agents (β – amyloid peptide, glutamate, hydrogen peroxide, oxygen and glucose deprivation). The new trend in therapy of Alzheimer's disease will be the investigation and application of compounds such as Galantamine derivatives, which possess acethylcholinesterase and γ – secretase inhibitory activity and antioxidant properties.
Keywords: Antioxidant activity, derivatives, galantamine, oxidative stress, neurodegeneration.
Current Medicinal Chemistry
Title:Antioxidant Activity of Galantamine and Some of its Derivatives
Volume: 20 Issue: 36
Author(s): D. Tsvetkova, D. Obreshkova, D. Zheleva – Dimitrova and L. Saso
Affiliation:
Keywords: Antioxidant activity, derivatives, galantamine, oxidative stress, neurodegeneration.
Abstract: Oxidative stress is implicated in the pathogenesis of different human diseases: Alzheimer, Parkinson, Huntington, amyotrophic lateral sclerosis (Lou Gehrig's disease), Down’s syndrome, atherosclerosis, vascular disease, cancer, diabetes mellitus type 1 and type 2, age – related macular degeneration, psoriatic arthritis. The aim of current study is to summarize the scientific evidences for the antioxidant and neuroprotective activity of Galantamine and some of its derivatives. Galantamine is a scavenger of reactive oxygen species and causes neuroprotective effect by lowering the oxidative neuronal damage, through the following pathways: 1) prevention of the activation of P2X7 receptors; 2) protection of mitochondrial membrane potential; 3) pre – vention of the membrane fluidity disturbances. Another mechanism is the decreasing of the overproduction of reactive oxygen species, a result from the increasing of acetylcholine level due to: 1) acethylcholinesterase inhibition; 2) allosteric potentiation of α7 – subtype of nicotinic acetylcholine receptors. A close relationship between acethylcholinesterase inhibition and reduced oxidative injury is observed. Through allosteric potentiation of the α7 – subtype of nicotinic acetylcholine receptors, the drug leads to induction of phosphorylation of serine – threonine protein kinase, stimulates phosphoinositide 3 – kinase and elevates the expression of protective protein Bcl – 2. By activation of these important neuroprotective cascades, Galantamine exerts neuroprotection against a variety of cytotoxic agents (β – amyloid peptide, glutamate, hydrogen peroxide, oxygen and glucose deprivation). The new trend in therapy of Alzheimer's disease will be the investigation and application of compounds such as Galantamine derivatives, which possess acethylcholinesterase and γ – secretase inhibitory activity and antioxidant properties.
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Cite this article as:
Tsvetkova D., Obreshkova D., Zheleva – Dimitrova D. and Saso L., Antioxidant Activity of Galantamine and Some of its Derivatives, Current Medicinal Chemistry 2013; 20 (36) . https://dx.doi.org/10.2174/09298673113209990148
DOI https://dx.doi.org/10.2174/09298673113209990148 |
Print ISSN 0929-8673 |
Publisher Name Bentham Science Publisher |
Online ISSN 1875-533X |
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