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Effects of ultra violet radiation on the soluble proteins of human hair

Авторы:

Fedorkova M.V. Smolina N.V. Mikhalchik E.V. BalabushevichbN.G., Ibragimova G.A., Gadzhigoroev A.G., Dmitrieva E.I., Dobretsov G.E.

Издание:

The Journal of Photochemistry and Photobiology B: Biology

Год издания:

2014

Номер:

Vol. 140

Страницы:

390-395

Язык:

English

Аннотация:

Exposure of hair fibers from healthy volunteers to Ultra Violet Radiation (UVR) under laboratory conditions enhanced protein elution from the hair tresses into a buffer solution (pH 10.5). At the same time the UVR decreased the intensity of tryptophan fluorescence in the eluted proteins. After mechanical homogenization of these hair samples, the increase of soluble protein was registered for UVR treated hair as well as the rise in sulfhydryl group content of these proteins. Analysis of soluble proteins from hair samples homogenized before and after protein elution has shown that mainly proteins rich in sulfhydryl groups were eluted and as a result sulfhydryl content of proteins in hair shaft decreased. The hypothesis concerning the effects of environmental factors on the properties of hair shaft proteins was examined, the proximal and distal parts of normal hair (0–5 cm and 15–20 cm from hair root) were compared.

Добавил:

Смолина Наталья Викторовна 2014-10-10

Ключевые слова:

Hair photodegradation, Soluble proteins, Tryptophan fluorescence, Sulfhydryl groups,

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