The isolated retina of mammals: A useful preparation for enzymatic-(adenylyl cyclase) and/or binding studies of dopamine receptors
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Parkinson's disease (PD) is characterized by the progressive degeneration of the nigrostriatal dopaminergic system. Brain delivery of glial cell line-derived neurotrophic factor (GDNF) has been shown to protect and restore the dopaminergic pathway in vario ...
Parkinson disease (PD) is a common neurodegenerative disorder characterized by the progressive loss of dopaminergic neurons in the substantia nigra pars compacta. The resulting failure of the nigrostriatal pathway leads to profound dopamine deficiency, cau ...
Parkinson disease (PD) is characterized by the progressive degeneration of substantia nigra dopaminergic neurons projecting to the striatum. Since the deficit in striatal dopamine is the main cause of PD symptoms, it appears critical to preserve axon termi ...
A persistent, severe reduction of synaptic transmission has been shown to enhance the responsiveness of postsynaptic tissue to the deficient neurotransmitter—a phenomenon called postjunctional supersensitivity. Regardless of whether supersensitivity is ind ...
Parkinson's disease (PD) is a progressive neurodegenerative disorder that affects 1% of the population above the age of 60. The cause of the disease remains unknown. The histopathological hallmarks of the disease are intracytoplasmic Lewy bodies and dopami ...
The influence of chronic dietary lithium administration was evaluated on dopamine receptor supersensitivity in the rat corpus striatum. Supersensitivity was induced with either unilateral destruction of dopamine-containing fibers in the nigrostriatal pathw ...
Spontaneous locomotor activity and dopaminergic responsivity were assessed after long-term dietary treatment with the anti-manic drug lithium. Chronic dietary Li administration was not accompanied by the toxicities often reported with other modes of admini ...
Intact rabbit retinae were used for testing in vitro the potential activation of dopamine receptors by a new cardioactive sympathetic amine dobutamine. It was found that despite the structure relationship of dobutamine with other dopamine-analog, the pharm ...
The possible mechanisms underlying the anti-manic actions of lithium have been examined in a variety of interdisciplinary experiments. The possibility that lithium can regulate the sensitivity changes in dopaminergic transmission produced by chronic treatm ...
VIP, glucagon or several other neuropeptides were applied to intact retinae in vitro. VIP was found to be a very potent stimulator of cyclic AMP production in rabbit retina, whereas glucagon was efficient in pigeon retina. Attempts to modify the VIP-induce ...
