Abstract
Photosynthesis of previtamin D 3 can occur throughout the epidermis and in the dermis when hypopigmented Caucasian skin is exposed to solar ultraviolet radiation. Once previtamin D 3 is formed in the skin, it undergoes a temperature-dependent thermal isomerization that takes at least 3 days to complete. The vitamin D-binding protein preferentially translocates the thermal product, vitamin D 3 , into the circulation. These processes suggest a unique mechanism for the synthesis, storage, and slow, steady release of vitamin D 3 from the skin into the circulation.
References
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Dates
Type | When |
---|---|
Created | 18 years, 10 months ago (Oct. 5, 2006, 1:45 p.m.) |
Deposited | 1 year, 7 months ago (Jan. 14, 2024, 5:24 p.m.) |
Indexed | 6 days, 8 hours ago (Aug. 28, 2025, 8:47 a.m.) |
Issued | 44 years, 10 months ago (Oct. 10, 1980) |
Published | 44 years, 10 months ago (Oct. 10, 1980) |
Published Print | 44 years, 10 months ago (Oct. 10, 1980) |
@article{Holick_1980, title={Photosynthesis of Previtamin D 3 in Human Skin and the Physiologic Consequences}, volume={210}, ISSN={1095-9203}, url={http://dx.doi.org/10.1126/science.6251551}, DOI={10.1126/science.6251551}, number={4466}, journal={Science}, publisher={American Association for the Advancement of Science (AAAS)}, author={Holick, M. F. and MacLaughlin, J. A. and Clark, M. B. and Holick, S. A. and Potts, J. T. and Anderson, R. R. and Blank, I. H. and Parrish, J. A. and Elias, P.}, year={1980}, month=oct, pages={203–205} }