Cysteinyldopa

Known as: Cysteinyldopa [Chemical/Ingredient], L-Tyrosine, 3-((2-amino-2-carboxyethyl)thio)-5-hydroxy-, (R)-, 5-S-Cysteinyldopa 
Found in large amounts in the plasma and urine of patients with malignant melanoma. It is therefore used in the diagnosis of melanoma and for the… (More)
National Institutes of Health

Related topics

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14 relations

Narrower (4)

5-S-cysteinyl-3,4-dihydroxyphenylacetic acid5-S-glutathionyl-alpha-methyldopa5-S-glutathionyldopamineglutathionyldopa

Broader (1)

Dopa
In BloodProcess of secretionagonistsanalogs & derivatives
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Papers overview

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Review
2008
Review
2008
Chemistry of mixed melanogenesis--pivotal roles of dopaquinone.
Melanins can be classified into two major groups-insoluble brown to black pigments termed eumelanin and alkali-soluble yellow to… (More)
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Highly Cited
2004
Highly Cited
2004
Identification of glypican-3 as a novel tumor marker for melanoma.
PURPOSE We reported recently the novel tumor marker glypican-3 (GPC3) for hepatocellular carcinoma. In the present study, we… (More)
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Highly Cited
1985
Highly Cited
1985
Microanalysis of eumelanin and pheomelanin in hair and melanomas by chemical degradation and liquid chromatography.
A method for the quantitative analysis of eumelanin and pheomelanin in tissues, e.g., hair and melanoma, is described. The method… (More)
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1983
1983
Diastereomers of 5-S-cysteinyldopa.
Diastereomers of 5-S-cysteinyldopa formed from D-dopa and L-cysteine or from L-dopa and D-cysteine can be separated from 5-S… (More)
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1983
1983
Protein-bound dopa and 5-S-cysteinyldopa in non-melanogenic tissues.
To explore the possibility that dopa and 5-S-cysteinyldopa, precursors of melanin, can be produced in non-melanogenic tissues… (More)
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1982
1982
Conjugation of dopa and 5-S-cysteinyldopa with cysteine mediated by superoxide radical.
cytotoxicity of catechols has been ascribed to their binding with proteins through sulfhydryl groups. Superoxide radical (O2… (More)
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1982
1982
Novel free radicals in synthetic and natural pheomelanins: distinction between dopa melanins and cysteinyldopa melanins by ESR spectroscopy.
Synthetic pheomelanins from enzymic oxidation of the 3,4-dihydroxyphenylalanine (dopa) derivative 5-S-cysteinyldopa have been… (More)
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1981
1981
5-S-cysteinyldopa in ganglion stellatum
5-S-Cysteinyldopa, an amino acid formed by nucleophilic addition of cysteine to dopaquinone, has been detected in the ganglion… (More)
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1977
1977
A facile one-step synthesis of cysteinyldopas using mushroom tyrosinase
A convenient one-step procedure, based upon the tyrosinase co-oxidation of dopa and cysteine, is reported for the synthesis of 5… (More)
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1975
1975
Formation of cysteinyldopa from glutathionedopa in melanoma.
Glutathionedopa injected intravenously into mice is metabolized and excreted in the urine as a compound with the fluorescence… (More)
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