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While the poisonous effects of botulinum neurotoxin (BoNT) have been recognized since antiquity, the overall actions and mechanisms of effects of BoNT have been elucidated primarily over the past several decades. The general utility of BoNT is described in the paper, but the focus is mainly on the approaches towards negating the toxic effects of BoNT, and on the projection of an engineered BoNT molecule...
Dopamine receptor supersensitivity (DARSS) often is invoked as a mechanism possibly underlying disordered thought processes and agitation states in psychiatric disorders. This review is focused on identified means for producing DARSS and associating the role of other monoaminergic systems in modulating DARSS. Dopamine (DA) receptors, experimentally, are prone to become supersensitive and to thus elicit...
The object of the current study was to determine the effect of l-3,4-dihydroxyphenylalanine (l-DOPA) on the in vivo striatal microdialysate levels of the respective dopamine and serotonin metabolites 3,4-dihydroxyphenlalanine (DOPAC) and 5-hydroxyindoleacetic acid (5-HIAA) and hydroxyl radical level (HO•; 2,3- and 2,5-dihydroxybenzoic acid, 2,3- and 2,5-DHBA) in adult rats made parkinsonian by treatment...
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