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by M. Segawa,Y. Nomura,J. Bogousslavsky

Author: M. Segawa,Y. Nomura,J. Bogousslavsky
Subcategory: Medicine & Health Sciences
Language: English
Publisher: S. Karger; 1 edition (February 28, 1995)
Pages: 256 pages
Category: Other
Rating: 4.9
Other formats: txt mobi doc rtf

Half of all lifetime cases start by age 14 years and three fourths by age 24 years. Interventions aimed at prevention or early treatment need to focus on youth.

detected in the GCH1 gene. Segawa proposed an age-related clinical course of. GTP-CH1 deficiency, in which disease presentation. and evolution relates to the development and matura-. tion of the nigrostriatal pathways.

Copper neurotoxicity is dependent on dopamine-mediated copper uptake . Dopamine-dependent iron toxicity in cells derived from rat hypothalamus. Molecular biology of monoamine oxidase A and B: Their role in the degradation of serotonin.

Copper neurotoxicity is dependent on dopamine-mediated copper uptake and one-electron reduction of aminochrome in a rat substantia nigra neuronal cell line. Journal of Neurochemistry, 77, 519–529. Paris, . Martinez-Alvarado, . Perez-Pastene, . Vieira, M. Olea-Azar, . Raisman-Vozari, . Cardenas, . Graumann, . Caviedes, . & Segura-Aguilar, J. (2005a).

Their mechanisms of action focus on the monoamine hypothesis for depression, which centers on the .

Their mechanisms of action focus on the monoamine hypothesis for depression, which centers on the disruption of serotonergic, noradrenergic, and dopaminergic neurotransmission in the brain.

The dopamine precursor levodopa led to a dose-dependent (inverted U-shape) persistent episodic memory .

The dopamine precursor levodopa led to a dose-dependent (inverted U-shape) persistent episodic memory benefit for images of scenes when tested after 6 h, independent of whether encoding-related hippocampal fMRI activity was weak or strong (U-shaped dose–response relationship). A key prerequisite for characterizing the role of dopamine in human episodic memory consolidation is to relate the effects of dopamine to the strength of hippocampal activation at encoding.

Dopamine-mediated signaling plays a fundamental neurodevelopmental role in forebrain differentiation and circuit formation. These developmental effects, such as modulation of neuronal migration and dendritic growth, occur before synaptogenesis and demonstrate novel roles for dopaminergic signaling beyond neuromodulation at the synapse. Pharmacologic and genetic disruptions demonstrate that these effects are brain region- and receptor subtype-specific.

Frontiers in Neurology, Vol. 9, Issue. We therefore assessed in vivo striatal dopamine D2/3 receptor (D2/3R) availability and plasma monoamine metabolite levels together with measures of impulsivity and executive functioning in 18 adults with PKU and average intellect (3. ± . years, nine females), most of whom were early and continuously treated.

Explores the intriguing relationship between the age and sex of a patient and the nature and course of the development of a basal ganglia disorder. The study highlights newly discovered information about the genetic mechanism underlying the age-sex link in the development of the disease.