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Effect of Ultra-violet Irradiation on Skin Collagen

Abstract

Bottoms and Shuster1 have shown that when hairless mouse skin is exposed to ultra-violet irradiation in vitro there is a decrease in the saline and citrate soluble collagen fractions; however, the insoluble collagen remains unchanged. At the same time, there is an increase in the toughness of the pelts. It was suggested that these effects of ultra-violet irradiation were due to increased cross-linkage between the collagen fibrils. In the experiments described here, we attempted to measure the degree of cross-linkage of mouse skin and kangaroo tail tendon collagen before and after ultra-violet irradiation.

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BOTTOMS, E., CATER, C. & SHUSTER, S. Effect of Ultra-violet Irradiation on Skin Collagen. Nature 211, 97–98 (1966). https://doi.org/10.1038/211097a0

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