This article provides an update about catecholamine metabolism, with emphasis on correcting common misconceptions relevant to catecholamine systems in health and disease. Importantly, most metabolism of catecholamines takes place within the same cells where the amines are synthesized. This mainly
Brain : a journal of neurology, 135(Pt 6), 1900-1913 (2012-03-28)
Central catecholamine deficiency characterizes α-synucleinopathies such as Parkinson's disease. We hypothesized that cerebrospinal fluid levels of neuronal metabolites of catecholamines provide neurochemical biomarkers of these disorders. To test this hypothesis we measured cerebrospinal fluid levels of catechols including dopamine, norepinephrine
The Journal of neuroscience : the official journal of the Society for Neuroscience, 33(2), 495-506a-495-506a (2013-01-11)
Anomalies in prefrontal cortex (PFC) function are posited to underpin difficulties in learning to suppress drug-seeking behavior during abstinence. Because group 1 metabotropic glutamate receptors (mGluRs) regulate drug-related learning, we assayed the consequences of extended access to intravenous cocaine (6
The ten-eleven translocation (Tet) family of methylcytosine dioxygenases catalyze oxidation of 5-methylcytosine (5mC) to 5-hydroxymethylcytosine (5hmC) and promote DNA demethylation. Despite the abundance of 5hmC and Tet proteins in the brain, little is known about the functions of the neuronal
The Journal of clinical endocrinology and metabolism, 68(2), 247-255 (1989-02-01)
Dihydroxyphenylalanine (DOPA) is the immediate product of the rate-limiting step in catecholamine biosynthesis, hydroxylation of tyrosine. This study examined whether plasma concentrations of DOPA are related to tyrosine hydroxylase activity. Plasma concentrations of DOPA, norepinephrine, and the norepinephrine metabolites 3,4-dihydroxyphenylglycol
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