Current Advances in L-DOPA and DOPA-Peptidomimetics: Chemistry, Applications and Biological Activity

Author(s): Bruno Mattia Bizzarri, Silvia Tortolini, Luca Rotelli, Giorgia Botta, Raffaele Saladino

Journal Name: Current Medicinal Chemistry

Volume 22 , Issue 36 , 2015

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L-3,4-Dihydroxyphenylalanine [2-amino-3-(3,4-dihydroxyphenyl) propanoic acid (L-DOPA) is a natural constituent of animal and plant tissue derived from post-translational modification of the amino acid tyrosine. L-DOPA is modified during metabolism to catecholamine neurotransmitters, noradrenaline and adrenaline, which are characterized by different biological activities. L-DOPA has been the first drug of choice in the therapy of Parkinson’s disease that is a progressive neurodegenerative disorder involving the loss of dopaminergic neurons of substantia nigra pars compacta. The social and economic impact of these diseases is very high due to the progressive aging of the population. This review focuses on the biological effect of LDOPA, as well as on the synthesis of L-DOPA derivatives and their application in central nervous system diseases. Among them, L-DOPA-containing peptides (L-DOPA-Pep) show important biological and pharmacological activities. For example, L-DOPA analogues of the alpha-factor interact with models of the G proteincoupled receptor, inhibit the oxidation of low-density lipoproteins, and are used for improving L-DOPA absorption in long-term treatment of Parkinson’s disease and as skin moisturizer in cosmetic compositions. Moreover, L-DOPA residues in proteins provide reactive tools for the preparation of adhesives and coatings materials. Usually, L-DOPA-Pep is prepared by traditional liquid or solid state procedures starting from simple amino acids. Recently, selective side-chain modifications of pre-formed peptides have also been reported both for linear and branched peptides. Here, we describe the recent advances in the synthesis of L-DOPA and dopa-peptidomimetics and their biological and pharmacological activities, focusing the attention on new synthetic procedures and biological mechanism of actions.

Keywords: L-DOPA, Parkinson, peptidomimetics, biological and pharmacological activity, synthesis.

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Article Details

Year: 2015
Published on: 04 December, 2015
Page: [4138 - 4165]
Pages: 28
DOI: 10.2174/0929867322666150625095748
Price: $65

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PDF: 55