Michael Yeluashvili

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Our previous work had shown that long-term nicotine administration improved dopaminergic markers and nicotinic receptors (nAChRs) in the striatum of monkeys with nigrostriatal damage. The present experiments were done to determine whether nicotine treatment also led to changes in the substantia nigra, the region containing dopaminergic cell bodies. Monkeys(More)
Excess activation of muscle nicotinic acetylcholine receptors due to genetic mutations, as seen in slow channel congenital myasthenic syndrome, or acetylcholinesterase (AChE) inhibition results in muscle cell degeneration. Our recent work showed that nitric oxide synthase (NOS) inhibitors prevent nicotine-induced muscle cell death in culture. In the present(More)
Tacrine, an acetylcholinesterase (AChE) inhibitor that has been used in the treatment of Alzheimer's disease, increases available acetylcholine (Ach) levels in the synaptic cleft thereby enhancing the activity of cholinergic pathways. However, excessive stimulation of nicotinic receptors at the neuromuscular junction results in muscle deterioration. We(More)
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