期刊
BIOCELL
卷 46, 期 6, 页码 1391-1415出版社
TECH SCIENCE PRESS
DOI: 10.32604/biocell.2022.019493
关键词
Eumelanin; Melanin models; Melanin synthesis; Molecular orbitals; Supramolecular structure
类别
Melanins are ancient and important natural macromolecular pigments with multiple biological roles. This review explores the chemical structure, molecular orbital features, and supramolecular organization of melanin, as well as its potential applications in photothermal and ultrasonic protocols for melanoma treatment.
Melanins represent one of the most ancient and important group of natural macromolecular pigments. They have multiple biological roles in almost all organisms across the Phyla, examples being photoprotection, anti-oxidative action, radical scavenger activity, and heavy metal removal. From the biomedical point of view, melanocytes are involved in the origin of melanoma tumors, and the main therapeutic advances for their treatment have been revised in Part 1 of this review. The chemical structure of eumelanin is a biological concern of great importance, and therefore, exploring theoretical molecular models and synthesis mechanisms will be here described, as well as molecular orbital features and supramolecular organization, which are responsible for the key properties that make these biological pigments so important, and so fascinating. Ultimately, this updated overview is devoted to describe present structural models and physico-chemical characteristics of eumelanin, in order to explain and utilize melanin properties on which new photothermal and ultrasonic protocols for melanoma treatment can be devised and applied.
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