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Skin microbiota: pathogenic roles and implications in atopic dermatitis.
Front Cell Infect Microbiol
January 2025
Department of Dermatology, Skin Research Institute of Peking University Shenzhen Hospital, Peking University Shenzhen Hospital, Shenzhen, China.
Atopic dermatitis (AD) is a chronic and inflammatory skin disorder characterized by impaired barrier function and imbalanced immunity. Recent advances have revealed that dysbiosis of skin microbiota plays important roles in the pathogenesis and development of AD. Meanwhile, endogenous and external factors contribute to the dysbiosis of skin microbiota in AD.
View Article and Find Full Text PDFSteatohepatitis-induced vascular niche alterations promote melanoma metastasis.
Cancer Metab
January 2025
Department of Dermatology, Venereology and Allergology, University Medical Center and Medical Faculty Mannheim, Heidelberg University, Theodor-Kutzer-Ufer 1-3, Mannheim, 68167, Germany.
Background: In malignant melanoma, liver metastases significantly reduce survival, even despite highly effective new therapies. Given the increase in metabolic liver diseases such as metabolic dysfunction-associated steatotic liver disease (MASLD) and metabolic dysfunction-associated steatohepatitis (MASH), this study investigated the impact of liver sinusoidal endothelial cell (LSEC)-specific alterations in MASLD/MASH on hepatic melanoma metastasis.
Methods: Mice were fed a choline-deficient L-amino acid-defined (CDAA) diet for ten weeks to induce MASH-associated liver fibrosis, or a CDAA diet or a high fat diet (HFD) for shorter periods of time to induce early steatosis-associated alterations.
Milestone events in recessive dystrophic epidermolysis bullosa (RDEB): findings of the PEBLES Study.
Clin Exp Dermatol
January 2025
St John's Institute of Dermatology, Guy's and St Thomas' NHS Foundation Trust, London, UK.
Background: In recessive dystrophic epidermolysis bullosa (RDEB), complications like oesophageal strictures, hand contractures, cardiomyopathy and cutaneous squamous cell carcinoma (SCC) may develop, necessitating procedures such as oesophageal dilatation (OD), gastrostomy tube placement and hand surgery.
Objectives: To determine prevalence and age of onset of milestone events by RDEB subtype, specifically dysphagia, first OD, first gastrostomy tube, first hand surgery, cardiomyopathy, first SCC and death.
Methods: The Prospective Epidermolysis Bullosa Longitudinal Evaluation Study (PEBLES) is a register study of individuals with RDEB which records comprehensive EB- and non-EB-related health information.
Early transcriptomic changes at the skin interface during Powassan virus transmission by ticks.
Front Immunol
January 2025
Department of Microbiology and Immunology, State University of New York Upstate Medical University, Syracuse, NY, United States.
Introduction: Powassan virus (POWV), a vector-borne pathogen transmitted by ticks in North America, is the causative agent of Powassan encephalitis. As obligate hematophagous organisms, ticks transmit pathogens like POWV at the tick bite site, specifically during the initial stages of feeding. Tick feeding and salivary factors modulate the host's immunological responses, facilitating blood feeding and pathogen transmission.
View Article and Find Full Text PDFGp70 is a cell wall protein required for adhesion, proper interaction with innate immune cells, and virulence.
Cell Surf
June 2025
Departamento de Biología, División de Ciencias Naturales y Exactas, Campus Guanajuato, Universidad de Guanajuato, Noria Alta s/n, col. Noria Alta, C.P. 36050 Guanajuato, Gto, Mexico.
is one of the leading etiological agents of sporotrichosis, a cutaneous and subcutaneous mycosis worldwide distributed. This organism has been recently associated with epidemic outbreaks in Brazil. Despite the medical relevance of this species, little is known about its virulence factors, and most of the information on this subject is extrapolated from .
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