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Review
. 2019 Dec 13;20(24):2972-2980.
doi: 10.1002/cbic.201900202. Epub 2019 Aug 8.

Direct Radiation Effects on the Structure and Stability of Collagen and Other Proteins

Mathieu Lalande  1 , Lucas Schwob  2 , Violaine Vizcaino  1 , Fabien Chirot  3 , Philippe Dugourd  4 , Thomas Schlathölter  5 , Jean-Christophe Poully  1
Affiliations
Review

Direct Radiation Effects on the Structure and Stability of Collagen and Other Proteins

Mathieu Lalande et al. Chembiochem. .

Abstract

In this review, recent progress in understanding the direct effects of radiation on the structure and stability of collagen, the most abundant protein in the human body, and other proteins is surveyed. Special emphasis is placed on the triple-helical structure of collagen, as studied by means of collagen mimetic peptides. The emerging patterns are the dose dependence of radiation processes and their abundance, the crucial role of radicals in covalent-bond formation (crosslinking) or cleavage, and the influence of the radiation energy and nature. Future research should allow fundamental questions, such as charge transfer and fragmentation dynamics triggered by ionization, to be answered, as well as developing applications such as protein-based biomaterials, notably with properties controlled by irradiation.

Keywords: collagen; helical structures; proteins; radiochemistry; structure-stability relationships.

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