Prota G - Search Results

1

Oxidative Polymerization of the Pheomelanin Precursor 5-Hydroxy-1,4-benzothiazinylalanine: A New Hint to the Pigment Structure.

Napolitano A, Memoli S, Crescenzi O, Prota G. Napolitano A, et al. Among authors: prota g. J Org Chem. 1996 Jan 26;61(2):598-604. doi: 10.1021/jo951149+. J Org Chem. 1996. PMID: 11666980

2

A New Insight in the Biosynthesis of Pheomelanins: Characterization of a Labile 1,4-Benzothiazine Intermediate.

Napolitano A, Memoli S, Prota G. Napolitano A, et al. Among authors: prota g. J Org Chem. 1999 Apr 30;64(9):3009-3011. doi: 10.1021/jo981018j. J Org Chem. 1999. PMID: 11674395

3

Zinc-catalyzed oxidation of 5-S-cysteinyldopa to 2,2'-bi(2H-1,4-benzothiazine): tracking the biosynthetic pathway of trichochromes, the characteristic pigments of red hair.

Napolitano A, Di Donato P, Prota G. Napolitano A, et al. Among authors: prota g. J Org Chem. 2001 Oct 19;66(21):6958-66. doi: 10.1021/jo010320g. J Org Chem. 2001. PMID: 11597214

4

Metal ions as potential regulatory factors in the biosynthesis of red hair pigments: a new benzothiazole intermediate in the iron or copper assisted oxidation of 5-S-cysteinyldopa.

Di Donato P, Napolitano A, Prota G. Di Donato P, et al. Among authors: prota g. Biochim Biophys Acta. 2002 Jun 6;1571(2):157-66. doi: 10.1016/s0304-4165(02)00212-x. Biochim Biophys Acta. 2002. PMID: 12049796

5

5-S-cysteinyldopa, a diffusible product of melanocyte activity, is an efficient inhibitor of hydroxylation/oxidation reactions induced by the Fenton system.

Napolitano A, Memoli S, Nappi AJ, d'Ischia M, Prota G. Napolitano A, et al. Among authors: prota g. Biochim Biophys Acta. 1996 Aug 29;1291(1):75-82. doi: 10.1016/0304-4165(96)00047-5. Biochim Biophys Acta. 1996. PMID: 8781528

6

Mechanism of selective incorporation of the melanoma seeker 2-thiouracil into growing melanin.

Napolitano A, Palumbo A, d'Ischia M, Prota G. Napolitano A, et al. Among authors: prota g. J Med Chem. 1996 Dec 20;39(26):5192-201. doi: 10.1021/jm9605243. J Med Chem. 1996. PMID: 8978847

7

Iron-mediated generation of the neurotoxin 6-hydroxydopamine quinone by reaction of fatty acid hydroperoxides with dopamine: a possible contributory mechanism for neuronal degeneration in Parkinson's disease.

Pezzella A, d'Ischia M, Napolitano A, Misuraca G, Prota G. Pezzella A, et al. Among authors: prota g. J Med Chem. 1997 Jul 4;40(14):2211-6. doi: 10.1021/jm970099t. J Med Chem. 1997. PMID: 9216840

8

New regulatory mechanisms in the biosynthesis of pheomelanins: rearrangement vs. redox exchange reaction routes of a transient 2H-1, 4-benzothiazine-o-quinonimine intermediate.

Napolitano A, Di Donato P, Prota G. Napolitano A, et al. Among authors: prota g. Biochim Biophys Acta. 2000 Jun 1;1475(1):47-54. doi: 10.1016/s0304-4165(00)00053-2. Biochim Biophys Acta. 2000. PMID: 10806337

9

Peroxidase as an alternative to tyrosinase in the oxidative polymerization of 5,6-dihydroxyindoles to melanin(s).

d'Ischia M, Napolitano A, Prota G. d'Ischia M, et al. Among authors: prota g. Biochim Biophys Acta. 1991 Mar 4;1073(2):423-30. doi: 10.1016/0304-4165(91)90152-7. Biochim Biophys Acta. 1991. PMID: 1849012

10

Generation of the neurotoxin 6-hydroxydopamine by peroxidase/H2O2 oxidation of dopamine.

Napolitano A, Crescenzi O, Pezzella A, Prota G. Napolitano A, et al. Among authors: prota g. J Med Chem. 1995 Mar 17;38(6):917-22. doi: 10.1021/jm00006a010. J Med Chem. 1995. PMID: 7699708

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