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Ronald Ley

Research Profile

Living Beings

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Skin
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Publications

TOP 3
Leslie Lund; Ronald D Ley; Linda A Felton; Graham S Timmins
Determination of wavelength-specific UV protection factors of sunscreens in intact skin by EPR measurement of UV-induced reactive melanin radical.
Simon R Wood; Marianne Berwick; Ronald D Ley; Ronald B Walter; Richard B Setlow; Graham S Timmins
UV causation of melanoma in Xiphophorus is dominated by melanin photosensitized oxidant production.
Paul Donald Forbes; Janusz Z Beer; Homer S Black; Jean-Pierre Cesarini; Curtis A Cole; Ronald E Davies; John M Davitt; Frank deGruijl; John Epstein; Anny Fourtanier; Adèle Green; Thomas Koval; Ronald D Ley; Romano Mascotto; Warwick Morison; Robert Osterberg; David H. SLINEY; Frederick Urbach; Jan C van der Leun; Antony R Young
Standardized protocols for photocarcinogenesis safety testing.

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All Publications

2007: Leslie Lund; Ronald D Ley; Linda A Felton; Graham S Timmins
Determination of wavelength-specific UV protection factors of sunscreens in intact skin by EPR measurement of UV-induced reactive melanin radical.
Photochemistry and photobiology 2007;83(4):952-7.
2006: Simon R Wood; Marianne Berwick; Ronald D Ley; Ronald B Walter; Richard B Setlow; Graham S Timmins
UV causation of melanoma in Xiphophorus is dominated by melanin photosensitized oxidant production.
Proceedings of the National Academy of Sciences of the United States of America 2006;103(11):4111-5.
2003: Paul Donald Forbes; Janusz Z Beer; Homer S Black; Jean-Pierre Cesarini; Curtis A Cole; Ronald E Davies; John M Davitt; Frank deGruijl; John Epstein; Anny Fourtanier; Adèle Green; Thomas Koval; Ronald D Ley; Romano Mascotto; Warwick Morison; Robert Osterberg; David H. SLINEY; Frederick Urbach; Jan C van der Leun; Antony R Young
Standardized protocols for photocarcinogenesis safety testing.
Frontiers in bioscience : a journal and virtual library 2003;8():d848-54.
2002: Ronald D Ley
Animal models of ultraviolet radiation (UVR)-induced cutaneous melanoma.
Frontiers in bioscience : a journal and virtual library 2002;7():d1531-4.
2001: Ronald D Ley; Katarzyna B Miska; Donna F Kusewitt
Photoreactivation of ultraviolet radiation-induced basic fibroblast growth factor (bFGF) and the role of bFGF in corneal lesion formation in Monodelphis domestica.
Environmental and molecular mutagenesis 2001;38(2-3):175-9.
2001: Ronald D Ley
Dose response for ultraviolet radiation A-induced focal melanocytic hyperplasia and nonmelanoma skin tumors in Monodelphis domestica.
Photochemistry and photobiology 2001;73(1):20-3.
2000: Ronald D Ley; Anny Fourtanier
UVAI-induced edema and pyrimidine dimers in murine skin.
Photochemistry and photobiology 2000;72(4):485-7.
2000: Ronald D Ley; Vivienne E Reeve; Donna F Kusewitt
Photobiology of Monodelphis domestica.
Developmental and comparative immunology 2000;24(5):503-16.
1998: TE Sherburn; James Gale; Ronald D Ley
Cloning and characterization of the CDKN2A and p19ARF genes from Monodelphis domestica.
DNA and cell biology 1998;17(11):975-81.
1998: Vivienne E Reeve; M Bosnic; C Boehm-Wilcox; N Nishimura; Ronald D Ley
Ultraviolet A radiation (320-400 nm) protects hairless mice from immunosuppression induced by ultraviolet B radiation (280-320 nm) or cis-urocanic acid.
International archives of allergy and immunology 1998;115(4):316-22.
1997: Donna F Kusewitt; James Gale; TE Sherburn; Gregory B Tafoya; Ronald D Ley
H-ras oncogene activation in invasive UVR-induced corneal sarcomas of the opossum Monodelphis domestica.
DNA and cell biology 1997;16(10):1217-22.
1997: Donna F Kusewitt; Katarzyna B Miska; Ronald D Ley
S-100 immunoreactivity in melanomas of the South American opossum Monodelphis domestica.
Veterinary pathology 1997;34(4):346-50.
1997: Ronald D Ley; Vivienne E Reeve
Chemoprevention of ultraviolet radiation-induced skin cancer.
Environmental health perspectives 1997;105 Suppl 4():981-4.
1997: Ronald D Ley; Anny Fourtanier
Sunscreen protection against ultraviolet radiation-induced pyrimidine dimers in mouse epidermal DNA.
Photochemistry and photobiology 1997;65(6):1007-11.
1997: Vivienne E Reeve; Ronald D Ley
Cis-urocanic-acid-induced suppression of contact hypersensitivity in Monodelphis domestica is prevented by ultraviolet A radiation/photoreactivating light.
International archives of allergy and immunology 1997;112(3):257-61.
1997: Gregory B Tafoya; James Gale; Ronald D Ley
Photorepair of ultraviolet radiation (UVR)-induced pyrimidine dimers in lens epithelial DNA of Monodelphis domestica.
Photochemistry and photobiology 1997;65(1):125-8.
1996: Donna F Kusewitt; J L Lewis; W C Griffith; Ronald D Ley
Effect of chronic exposure to ultraviolet radiation and photoreactivation on life span and tumor development in the marsupial Monodelphis domestica.
Radiation research 1996;146(2):187-97.
1996: Vivienne E Reeve; Ronald D Ley; W G Reilly; M Bosnic
Epidermal urocanic acid and suppression of contact hypersensitivity by ultraviolet radiation in Monodelphis domestica.
International archives of allergy and immunology 1996;109(3):266-71.
1996: Donna F Kusewitt; Ronald D Ley
Animal models of melanoma.
Cancer surveys 1996;26():35-70.
1994: Donna F Kusewitt; V A White; M Rodriguez; Ronald D Ley
Congestive heart failure in a marsupial (Monodelphis domestica).
Laboratory animal science 1994;44(6):633-6.
1994: Vivienne E Reeve; C Boehm-Wilcox; M Bosnic; Rhian Cope; Ronald D Ley
Lack of correlation between suppression of contact hypersensitivity by UV radiation and photoisomerization of epidermal urocanic acid in the hairless mouse.
Photochemistry and photobiology 1994;60(3):268-73.
1994: Donna F Kusewitt; Carol L Sabourin; C L Budge; TE Sherburn; Ronald D Ley
Characterization of cDNA encoding basic fibroblast growth factor of the marsupial Monodelphis domestica.
DNA and cell biology 1994;13(5):549-54.
1994: Donna F Kusewitt; C L Budge; Ronald D Ley
Enhanced pyrimidine dimer repair in cultured murine epithelial cells transfected with the denV gene of bacteriophage T4.
The Journal of investigative dermatology 1994;102(4):485-9.
1993: Donna F Kusewitt; C L Budge; M M Anderson; S L Ryan; Ronald D Ley
Frequency of ultraviolet radiation-induced mutation at the hprt locus in repair-proficient murine fibroblasts transfected with the denV gene of bacteriophage T4.
Photochemistry and photobiology 1993;58(3):450-4.
1993: Ronald D Ley
Photoreactivation in humans.
Proceedings of the National Academy of Sciences of the United States of America 1993;90(10):4337.
1993: Carol L Sabourin; Donna F Kusewitt; R J Fry; Ronald D Ley
Ultraviolet radiation-induced corneal tumours in the South American opossum, Monodelphis domestica.
Journal of comparative pathology 1993;108(4):343-59.
1993: Donna F Kusewitt; G Kelly; Carol L Sabourin; Ronald D Ley
Characterization of the K-ras gene of the marsupial Monodelphis domestica.
DNA sequence : the journal of DNA sequencing and mapping 1993;4(1):37-42.
1993: Carol L Sabourin; Donna F Kusewitt; L A Applegate; C L Budge; Ronald D Ley
Expression of fibroblast growth factors in ultraviolet radiation-induced corneal tumors and corneal tumor cell lines from Monodelphis domestica.
Molecular carcinogenesis 1993;7(3):197-205.
1992: Sen Pathak; M Gadhia; M K Dhaliwal; L A Applegate; Ronald D Ley
Specific chromosomal defects associated with ultraviolet radiation-induced cutaneous tumors in Monodelphis domestica (Marsupialia, mammalia).
Cancer genetics and cytogenetics 1992;64(2):158-62.
1992: Donna F Kusewitt; C L Budge; H A Nolla; B S Edwards; Ronald D Ley
Cell cycle progression in denV-transfected murine fibroblasts exposed to ultraviolet radiation.
Mutation research 1992;274(3):163-76.
1992: C M Brozek; G M Shopp; S L Ryan; P M Gillespie; Donna F Kusewitt; M S Rajagopalan; K D Ley; Ronald D Ley
In vivo exposure to ultraviolet radiation enhances pathogenic effects of murine leukemia virus, LP-BM5, in murine acquired immunodeficiency syndrome.
Photochemistry and photobiology 1992;56(3):287-95.
1992: Carol L Sabourin; Ronald D Ley
Purification and characterization of fibroblast growth factors from the opossum, Monodelphis domestica, brain.
Neuroscience letters 1992;140(2):148-52.
1992: Carol L Sabourin; A G Freeman; Donna F Kusewitt; Ronald D Ley
Identification of a transforming ras oncogene in an ultraviolet radiation-induced corneal tumor of Monodelphis domestica.
Photochemistry and photobiology 1992;55(3):417-24.
1992: C M Brozek; E W Kaleta; Donna F Kusewitt; Ronald D Ley
Proliferative responses of lymphocytes to mitogens in the gray, short-tailed opossum, Monodelphis domestica.
Veterinary immunology and immunopathology 1992;31(1-2):11-9.
1991: Ronald D Ley; L A Applegate; R J Fry; A B Sanchez
Photoreactivation of ultraviolet radiation-induced skin and eye tumors of Monodelphis domestica.
Cancer research 1991;51(24):6539-42.
1991: E W Kaleta; L A Applegate; Ronald D Ley
Photoreactivation of ultraviolet radiation-induced release of arachidonic acid from marsupial cells.
Photochemistry and photobiology 1991;54(5):747-52.
1991: Vivienne E Reeve; M Bosnic; C Boehm-Wilcox; Ronald D Ley
Differential protection by two sunscreens from UV radiation-induced immunosuppression.
The Journal of investigative dermatology 1991;97(4):624-8.
1991: Donna F Kusewitt; Ronald D Ley; Earl E Henderson
Enhanced pyrimidine dimer removal in repair-proficient murine fibroblasts transformed with the denV gene of bacteriophage T4.
Mutation research 1991;255(1):1-9.
1991: L A Applegate; Ronald D Ley
DNA damage is involved in the induction of opacification and neovascularization of the cornea by ultraviolet radiation.
Experimental eye research 1991;52(4):493-7.
1991: Donna F Kusewitt; L A Applegate; Ronald D Ley
Ultraviolet radiation-induced skin tumors in a South American opossum (Monodelphis domestica).
Veterinary pathology 1991;28(1):55-65.
1991: C M Brozek; Ronald D Ley
Production of interleukin-1 in a South American opossum (Monodelphis domestica).
Developmental and comparative immunology 1991;15(4):401-12.
1990: D L Mitchell; L A Applegate; R S Nairn; Ronald D Ley
Photoreactivation of cyclobutane dimers and (6-4) photoproducts in the epidermis of the marsupial, Monodelphis domestica.
Photochemistry and photobiology 1990;51(6):653-8.
1990: L A Applegate; L H Goldberg; Ronald D Ley; Honnavara N Ananthaswamy
Hypersensitivity of skin fibroblasts from basal cell nevus syndrome patients to killing by ultraviolet B but not by ultraviolet C radiation.
Cancer research 1990;50(3):637-41.
1990: Donna F Kusewitt; L A Applegate; C D Bucana; Ronald D Ley
Naturally occurring malignant melanoma in the South American opossum (Monodelphis domestica).
Veterinary pathology 1990;27(1):66-8.
1989: L A Applegate; Ronald D Ley; J Alcalay; Margaret L Kripke
Identification of the molecular target for the suppression of contact hypersensitivity by ultraviolet radiation.
The Journal of experimental medicine 1989;170(4):1117-31.
1989: Ronald D Ley; L A Applegate; R S Padilla; T D Stuart
Ultraviolet radiation--induced malignant melanoma in Monodelphis domestica.
Photochemistry and photobiology 1989;50(1):1-5.
1989: Ronald D Ley; L A Applegate; Jon K de Riel; Earl E Henderson
Excision repair characteristics of denV-transformed xeroderma pigmentosum cells.
Mutation research 1989;217(2):101-7.
1988: G J LeVee; L A Applegate; Ronald D Ley
Photoreversal of the ultraviolet radiation-induced disappearance of ATPase-positive Langerhans cells in the epidermis of Monodelphis domestica.
Journal of leukocyte biology 1988;44(6):508-13.
1988: S E Freeman; Ronald D Ley; K D Ley
Sunscreen protection against UV-induced pyrimidine dimers in DNA of human skin in situ.
Photo-dermatology 1988;5(6):243-7.
1988: Ronald D Ley; L A Applegate; S E Freeman
Photorepair of ultraviolet radiation-induced pyrimidine dimers in corneal DNA.
Mutation research 1988;194(1):49-55.
1988: Carol L Sabourin; Ronald D Ley
Isolation and characterization of a marsupial DNA photolyase.
Photochemistry and photobiology 1988;47(5):719-23.
1988: L A Applegate; Ronald D Ley
Ultraviolet radiation-induced lethality and repair of pyrimidine dimers in fish embryos.
Mutation research 1988;198(1):85-92.
1988: S E Freeman; L A Applegate; Ronald D Ley
Excision repair of UVR-induced pyrimidine dimers in corneal DNA.
Photochemistry and photobiology 1988;47(1):159-63.
1987: Ronald D Ley; L A Applegate
Hair growth induction by ultraviolet radiation in the marsupial Monodelphis domestica.
Archives of dermatology 1987;123(8):1032-5.
1987: Ronald D Ley; L A Applegate
Loss of photoreversibility of sunburn cell induction in Monodelphis domestica.
Photochemistry and photobiology 1987;46(2):315-7.
1987: Ronald D Ley; L A Applegate; T D Stuart; R J Fry
UV radiation-induced skin tumors in Monodelphis domestica.
Photo-dermatology 1987;4(3):144-7.
1987: L A Applegate; Ronald D Ley
Excision repair of pyrimidine dimers in marsupial cells.
Photochemistry and photobiology 1987;45(2):241-5.
1985: Ronald D Ley; L A Applegate
Ultraviolet radiation-induced histopathologic changes in the skin of the marsupial Monodelphis domestica. II. Quantitative studies of the photoreactivation of induced hyperplasia and sunburn cell formation.
The Journal of investigative dermatology 1985;85(4):365-7.
1985: L A Applegate; T D Stuart; Ronald D Ley
Ultraviolet radiation-induced histopathological changes in the skin of the marsupial Monodelphis domestica. I. The effects of acute and chronic exposures and of photoreactivation treatment.
The British journal of dermatology 1985;113(2):219-27.