نتایج جستجو برای: nigrostriatal
تعداد نتایج: 1988 فیلتر نتایج به سال:
A hallmark of Parkinson's disease is the progressive loss of nigrostriatal dopaminergic neurons. We derived human neuroepithelial cells from induced pluripotent stem cells and successfully differentiated them into dopaminergic neurons within phase-guided, three-dimensional microfluidic cell culture bioreactors. After 30 days of differentiation within the microfluidic bioreactors, in situ morpho...
Racemate pentazocine was found to induce stereotyped behaviour (SB) in rats. Pretreatment with haloperidol and alpha-methyl-p-tyrosine significantly antagonised dl-pentazocine induced SB. This indicates that dl-pentazocine induces SB by releasing dopamine (DA) from the nigrostriatal and mesolimbic dopaminergic neurones with resultant activation of the postsynaptic striatal and mesolimbic D2 DA ...
In idiopathic Parkinson's disease (PD), a generalized Lewy body type-degeneration in the brain as well as extracranial organs was identified. It is unclear, whether cerebral and extracranial Lewy body type-degeneration in PD are coupled or not. To address this question, cerebral [(123)I]FP-CIT SPECT - to quantify cerebral nigrostriatal dopaminergic degeneration - and myocardial [(123)I]MIBG sci...
Tyrosine administration elevates striatal levels of dopamine metabolites in animals given treatments that accelerate nigrostriatal firing, but not in untreated rats. We examined the possibility that the amino acid might actually enhance dopamine release in untreated animals, but that the technique of measuring striatal dopamine metabolism was too insensitive to demonstrate such an effect. Dopam...
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