Lack of regulation of aromatic l-amino acid decarboxylase in intact bovine chromaffin cells

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Lack of regulation of aromatic L-amino acid decarboxylase in intact bovine chromaffin cells.

Aromatic l-amino acid decarboxylase (AADC) is the second enzyme in the catecholamine biosynthetic pathway, and its activity is generally considered not to be limiting, and therefore not involved, in regulating flux through this pathway. Recent studies showing that its activity can be regulated in vivo and that the enzyme can be phosphorylated and activated in vitro have raised the possibility t...

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Purification of aromatic L-amino acid decarboxylase from bovine brain with a monoclonal antibody.

Aromatic L-amino acid decarboxylase was purified from bovine brain for the first time by affinity chromatography using a monoclonal antibody to the enzyme, and it was compared with the decarboxylase purified from bovine adrenal medulla by the same procedure. The monoclonal antibody was produced from a hybridoma established for the enzyme highly purified from bovine adrenal medulla. The Mr value...

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Aromatic L-amino acid decarboxylase deficiency: diagnostic methodology.

Aromatic L-amino acid decarboxylase (EC. 4.1.1.28) deficiency is a newly described inborn error of metabolism that affects serotonin and dopamine biosynthesis. The major biochemical markers for this disease are increases of L-dopa, 3-methoxytyrosine, and 5-hydroxytryptophan in urine, plasma, and cerebrospinal fluid together with decreased cerebrospinal fluid concentrations of homovanillic acid ...

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Gene therapy for aromatic L-amino acid decarboxylase deficiency.

Aromatic L-amino acid decarboxylase (AADC) is required for the synthesis of the neurotransmitters dopamine and serotonin. Children with defects in the AADC gene show compromised development, particularly in motor function. Drug therapy has only marginal effects on some of the symptoms and does not change early childhood mortality. Here, we performed adeno-associated viral vector-mediated gene t...

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Aromatic L-amino acid decarboxylase cells in the spinal cord: a potential origin of monoamines

Monoamine neurotransmitters include catecholamines and indoleamines. The most common catecholamines are do-pamine (DA), noradrenaline (NA) and adrenaline, which are produced from phenylalanine and tyrosine; whereas the most common indoleamine is serotonin (5-hydroxytrypta mine, 5-HT), which is produced from 5-hydroxytryptophan (5-HTP). In the central nervous system, monoamine neu-rotransmitters...

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ژورنال

عنوان ژورنال: Journal of Neurochemistry

سال: 2002

ISSN: 0022-3042

DOI: 10.1046/j.1471-4159.2002.00849.x