Scientists at the University of Kentucky are unraveling the details of DNA-damage repair in the melanocyte, with an eye towards finding druggable targets for melanoma prevention. Jarret et al., (2015, this issue) report in this issue three new assays that can yield mechanistic information about nucleotide excision repair (NER) stimulated by cAMP-dependent signaling downstream of the melanocortin-1 receptor (MC1R).
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http://dx.doi.org/10.1038/jid.2015.349 | DOI Listing |
Case Rep Pediatr
January 2025
Department of Internal Medicine, Lebanese Hospital Geitaoui University Medical Center, Beirut, Lebanon.
Red ear syndrome (RES) is a rare clinical entity presenting with paroxysmal erythema of one or both ears associated with a burning sensation or earache. The onset of symptoms could be either spontaneous or triggered by touch, stress, coughing, sneezing, neck movements, chewing, and combing hair. While most cases are usually described in adults, it can rarely present in children.
View Article and Find Full Text PDFAnimals (Basel)
January 2025
Wildlife Research Unit (UIRCP-UCO), University of Cordoba, 14014 Cordoba, Spain.
Sexual signals in animals encompass a variety of forms including visual, acoustic, and chemical signals that are fundamental for intra- and interspecific communication, including sexual selection processes. Among these, odor signals play a critical role. Chemical compounds involved in sexual signaling vary in nature, with lipids and proteins being particularly important.
View Article and Find Full Text PDFIran J Basic Med Sci
January 2025
Department of Pharmacology, Faculty of Medicine, Maranatha Christian University, Bandung 40164, West Java, Indonesia.
Objectives: Both intrinsic and extrinsic factors cause skin aging. Intrinsic aging is characterized by decreased collagen density, particularly collagen types I (COL1A1) and III (COL3A1), and an increase in the COL1/COL3 ratio. Extrinsic aging, primarily due to ultraviolet light exposure, leads to photoaging, which causes collagen fragmentation and reduced production, leading to skin sagging.
View Article and Find Full Text PDFNed Tijdschr Geneeskd
January 2025
St. Antoniusziekenhuis, Nieuwegein. Afd. Interne Geneeskunde.
Excessive hair growth is a common and distressing complaint in women. It is imperative to differentiate excessive hair growth from hirsutism with possible other signs of virilization. Hirsutism is commonly attributed to polycystic ovary syndrome (PCOS).
View Article and Find Full Text PDFTrop Anim Health Prod
January 2025
Federal University of Mato Grosso, Cuiabá, MT, 78060-900, Brazil.
This study aimed to evaluate the effects of sunflower cake (SFC) levels (0, 7, 14, 21, and 28% dry matter) in the diet for feedlot lambs on meat quality and its fatty acid profile. Forty crossbreed non castrated hair lambs were fed with experimental diets through 70 days when they were slaughtered and a Longissimus lumborum section were evaluated for physicochemical quality and fatty acid profile. There were no effects of SFC levels (P > 0.
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