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Sökning: onr:"swepub:oai:DiVA.org:oru-78450" > Vitamin D levels af...

LIBRIS Formathandbok  (Information om MARC21)
FältnamnIndikatorerMetadata
00003892naa a2200469 4500
001oai:DiVA.org:oru-78450
003SwePub
008191219s2013 | |||||||||||000 ||eng|
009oai:prod.swepub.kib.ki.se:127728034
024a https://urn.kb.se/resolve?urn=urn:nbn:se:oru:diva-784502 URI
024a https://doi.org/10.1111/phpp.120762 DOI
024a http://kipublications.ki.se/Default.aspx?queryparsed=id:1277280342 URI
040 a (SwePub)orud (SwePub)ki
041 a engb eng
042 9 SwePub
072 7a ref2 swepub-contenttype
072 7a art2 swepub-publicationtype
100a Sallander, Ellinoru Karolinska Institutet, Stockholm, Sweden4 aut
2451 0a Vitamin D levels after UVB radiation :b effects by UVA additions in a randomized controlled trial
264 c 2013-10-30
264 1b Wiley-Blackwell Publishing Inc.c 2013
338 a print2 rdacarrier
520 a BACKGROUND: Ultraviolet B (UVB) radiation increases the serum level of 25-hydroxyvitamin D [25(OH)D]. However, the impact of UVA on vitamin D synthesis by UVB is poorly understood clinically.OBJECTIVE: To examine how different combinations of UVA and UVB radiation affect S-25(OH)D for the same vitamin D-weighted exposure.MATERIALS AND METHODS: Healthy participants were recruited and subsequently divided into four comparable groups regarding initial 25(OH)D value. The different radiations given were whole-body UVB (n = 23), UVAB (n = 23) and UVA (n = 10). The controls (n = 19) had no intervention. The exposure times were chosen to give the same calculated vitamin D effective dose (suberythemal exposures ≤1 standard erythema dose). Blood samples were collected before the first irradiation (t0), immediately after the last (fifth) irradiation (t1) and then after another 2 days after the last (fifth) irradiation (t2).RESULTS: UVB and UVAB radiation significantly increased 25(OH)D levels. In the UVA group the increase was less with the same vitamin D-weighted radiation dose.CONCLUSIONS: Short sessions of UVB or UVAB radiation with the same vitamin D-weighted exposure increased 25(OH)D levels. The UVA dose does not influence 25(OH)D levels under short exposure times. However, there was a significantly lower increase of 25(OH)D levels during longer UVA irradiation (≥9 min).
650 7a MEDICIN OCH HÄLSOVETENSKAPx Klinisk medicinx Dermatologi och venereologi0 (SwePub)302042 hsv//swe
650 7a MEDICAL AND HEALTH SCIENCESx Clinical Medicinex Dermatology and Venereal Diseases0 (SwePub)302042 hsv//eng
650 7a MEDICIN OCH HÄLSOVETENSKAPx Medicinska och farmaceutiska grundvetenskaperx Fysiologi0 (SwePub)301062 hsv//swe
650 7a MEDICAL AND HEALTH SCIENCESx Basic Medicinex Physiology0 (SwePub)301062 hsv//eng
650 7a MEDICIN OCH HÄLSOVETENSKAPx Hälsovetenskapx Arbetsmedicin och miljömedicin0 (SwePub)303032 hsv//swe
650 7a MEDICAL AND HEALTH SCIENCESx Health Sciencesx Occupational Health and Environmental Health0 (SwePub)303032 hsv//eng
653 a 25(OH)D
653 a UVA
653 a UVB
653 a sunbeds
653 a vitamin D
700a Wester, Ulfu Swedish Radiation Safety Authority, Stockholm, Sweden4 aut
700a Bengtsson, Emilu Swedish Radiation Safety Authority, Stockholm, Sweden4 aut
700a Wiegleb Edström, Desirée,d 1959-u Karolinska Institutet4 aut0 (Swepub:oru)dwm
710a Karolinska Institutet, Stockholm, Swedenb Swedish Radiation Safety Authority, Stockholm, Sweden4 org
773t Photodermatology, Photoimmunology & Photomedicined : Wiley-Blackwell Publishing Inc.g 29:6, s. 323-329q 29:6<323-329x 0905-4383x 1600-0781
8564 8u https://urn.kb.se/resolve?urn=urn:nbn:se:oru:diva-78450
8564 8u https://doi.org/10.1111/phpp.12076
8564 8u http://kipublications.ki.se/Default.aspx?queryparsed=id:127728034

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