Zobrazeno 1 - 10
of 46
pro vyhledávání: '"John C. Dowdy"'
Autor:
Robert C. Tuckey, Sherie Hanna, Robert M. Sayre, John C. Dowdy, Tae Kang Kim, Andrzej Slominski, Zorica Janjetovic, Wei Li, Sofia Rosas, Piotr Wasilewski
Publikováno v:
The Journal of Steroid Biochemistry and Molecular Biology. 148:52-63
CYP11A1 hydroxylates the side chain of vitamin D3 (D3) in a sequential fashion [D3→20S(OH)D3→20,23(OH)2D3→17,20,23(OH)3D3], in an alternative to the classical pathway of activation [D3→25(OH)D3→1,25(OH)2D3]. The products/intermediates of th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::80c9716a192025c57c4cd884e790a58c
https://doi.org/10.1016/j.jsbmb.2015.01.014
https://doi.org/10.1016/j.jsbmb.2015.01.014
Autor:
Robert M. Sayre, John C. Dowdy
Publikováno v:
Photochemistry and Photobiology. 89:961-967
We evaluated six UV nail lamps representative of major US manufacturers to evaluate radiant hazards as defined in ANSI/IESNA RP-27 Recommended Practice for Photobiological Safety. Lamps were evaluated at three positions, 1 cm above the inner surface
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::197f1d5999d31108b745ca86787c899a
https://doi.org/10.1111/php.12075
https://doi.org/10.1111/php.12075
Publikováno v:
British Journal of Dermatology. 168:595-601
Background—11β-hydroxysteroid dehydrogenase type 1 (HSD11B1), 11β-hydroxysteroid dehydrogenase type 2 (HSD11B2), glucocorticoids (GC) and their receptor (GR) play a key role in tissue-specific regulation of GC action. Objectives—The expression
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ffc7d7a8b994055e0fccaec3d5b99d91
https://doi.org/10.1111/bjd.12096
https://doi.org/10.1111/bjd.12096
Autor:
Gregory Richard Bender, Kenneth D. Shinneman, John C. Dowdy, Lateef U. Khan, James G. Shepherd, Steven C. Schlitt, Eugene A. Czako, Robert M. Sayre, Michael E. Stepp, Manuel G. Karos
Publikováno v:
Health Physics. 101:227-232
The authors compared calculations of sunlamp maximum exposure times following current USFDA Guidance Policy on the Maximum Timer Interval and Exposure Schedule, with USFDA/CDRH proposals revising these to equivalent erythemal exposures of ISO/CIE Sta
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f38181ccb61b2684c5072eaadc00821f
https://doi.org/10.1097/hp.0b013e3182166490
https://doi.org/10.1097/hp.0b013e3182166490
Publikováno v:
American Journal of Physiology-Endocrinology and Metabolism. 301:E484-E493
The hypothalamic-pituitary-adrenal (HPA) axis maintains basal and stress-related homeostasis in vertebrates. Skin expresses all elements of the HPA axis including corticotropin-releasing hormone (CRH), proopiomelanocortin (POMC), ACTH, β-endorphin (
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::94283175ca58744426e629a9f7852682
https://doi.org/10.1152/ajpendo.00217.2011
https://doi.org/10.1152/ajpendo.00217.2011
Autor:
Robert M. Sayre, John C. Dowdy
Publikováno v:
Photochemical & Photobiological Sciences. 9:535-539
The US Food and Drug Administration is in the process of formulating final rules for sunscreen labeling and testing. They have adopted a version of the solar simulator standard proposed by COLIPA, a European cosmetic products trade association. From
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::21479e9abba7400d8d20ba92d64494a3
https://doi.org/10.1039/b9pp00148d
https://doi.org/10.1039/b9pp00148d
Autor:
John C. Dowdy, Robert M. Sayre
Publikováno v:
Photochemistry and Photobiology. 86:162-167
The U.S. FDA recently proposed both in vivo and in vitro UVA efficacy tests for sunscreen products with the lower result used to establish the sunscreen's labeled UVA protection claim. The FDA stated their rationale for dual tests was concern that th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0ea7919f8cc3871388b4864214232ab5
https://doi.org/10.1111/j.1751-1097.2009.00633.x
https://doi.org/10.1111/j.1751-1097.2009.00633.x
Publikováno v:
Photodermatology, Photoimmunology & Photomedicine. 25:216-220
In 1979 the Food and Drug Administration (FDA) designated indoor tanning units would be regulated medical devices and that each must have an exposure timer. In 1985 FDA added a scheduled series of doses designed to allow tanning with little risk of c
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ed92651e2eb0eb237d0165559074cb6a
https://doi.org/10.1111/j.1600-0781.2009.00440.x
https://doi.org/10.1111/j.1600-0781.2009.00440.x
Publikováno v:
Photochemistry and Photobiology. 85:1004-1010
Ultraviolet radiation (UVR) is hazardous to patients with photosensitive skin disorders, such as lupus erythematosus, xeroderma pigmentosum and skin cancer. As such, these patients are advised to minimize their exposure to UVR. Classically, this is a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::553d1ef34d613ce5881176212ce6612a
https://doi.org/10.1111/j.1751-1097.2009.00540.x
https://doi.org/10.1111/j.1751-1097.2009.00540.x
Autor:
Mitchell A. Watsky, Nathaniel K. Wilkin, Karl T. Weber, Thomas A. Hughes, E. William Rosenberg, Tai C. Chen, Laura D Carbone, Syamal K. Bhattacharya, Michael F. Holick, John C. Dowdy, Elizabeth A. Tolley, Robert M. Sayre, Karen D. Barrow
Publikováno v:
Metabolism. 57:741-748
Vitamin D deficiency may have implications for cardiovascular health. The purpose of this study was to determine the relationship of 25-hydroxyvitamin D (25[OH]D) to cholesterol and lipoprotein particles and to determine whether increasing 25(OH)D th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::67b1181cba60f4b85b551086a0a4126c
https://doi.org/10.1016/j.metabol.2008.01.011
https://doi.org/10.1016/j.metabol.2008.01.011