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Updates on the Pathogenesis of Canine Atopic Dermatitis and Feline Atopic Skin Syndrome: Part 2, the Skin Barrier, the Microbiome, and Immune System Dysfunction.
Vet Clin North Am Small Anim Pract
December 2024
College of Veterinary Medicine and Biomedical Sciences, Texas A&M University, 408 Raymond Stotzer Parkway, College Station, TX 77845, USA. Electronic address:
Alterations in the lipid layer and intercellular corneocyte connections can lead to increased allergen penetration through the skin surface. A normal cutaneous microbiome keeps the opportunistic pathogen Staphylococcus pseudintermedius levels low, but allergic inflammation leads to decreased diversity and increase in S pseudintermedius. Keratinocytes sound the initial allergen alarm via cytokine signaling and promote T-helper 2 (Th-2) inflammation.
View Article and Find Full Text PDFHistone acetylation alteration by KAT6A inhibitor WM-1119 suppresses IgE-mediated mast cell activation and allergic inflammation via reduction in AP-1 signaling.
Biochem Pharmacol
December 2024
Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Shenzhen University Medical School, Shenzhen University, Shenzhen 518055, China. Electronic address:
Activation of immunoglobulin E (IgE)-associated mast cells (MCs) triggers the onset of pro-inflammatory signals associated with type I allergic diseases. Although histone acetylation changes have been associated with inflammatory diseases, the impact of lysine-acetyltransferase (KAT) inhibitors on IgE-mediated MCs function is unclear. Potential anti-allergic effects of the KAT6A inhibitor WM-1119 on IgE-mediated MCs activation and allergic inflammation were examined in this study.
View Article and Find Full Text PDFDematiaceous Molds.
Infect Dis Clin North Am
December 2024
Division of Infectious Diseases, Department of Medicine, Albert Einstein College of Medicine and Montefiore Medical Center, 1300 Morris Park Avenue, Belfer 610, Bronx, NY 10461, USA. Electronic address:
Article Synopsis
- Dematiaceous molds are dark environmental molds found worldwide, particularly in tropical and subtropical areas, with common types including Bipolaris, Cladophialophora, Exophiala, and Alternaria.
- These molds can cause a variety of diseases in both healthy and immunocompromised individuals, leading to issues like skin infections, allergic reactions, pneumonia, and sometimes serious systemic infections.
- Treatment generally involves antifungal medications such as itraconazole, voriconazole, or posaconazole, combined with measures to address the source of infection and reduce immune suppression, while efforts are underway to enhance diagnostic methods and treatment options due to high mortality rates associated with severe cases.
Surgical Site Allergic Contact Dermatitis to 2-Octyl-Cyanoacrylate: A Systematic Review and FDA MAUDE Review.
Aesthet Surg J
December 2024
Division of Plastic and Reconstructive Surgery, Department of Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA.
Background: Skin adhesives containing 2-ocyl cyanoacrylate are a common source of allergic contact dermatitis (ACD) that complicate postoperative wound healing. There are limited studies that describe postoperative cutaneous reactions to skin adhesives and clinical management.
Objectives: To review the incidence, description, and clinical management of surgical site ACD to 2-ocyl cyanoacrylate.
Bullous Symmetric Drug-Related Intertriginous and Flexural Exanthem Secondary to Trimethoprim/Sulfamethoxazole.
Cureus
November 2024
Department of Dermatology, University of Florida College of Medicine, Gainesville, USA.
Symmetric drug-related intertriginous and flexural exanthem (SDRIFE) is a rare delayed-type hypersensitivity reaction that is considered a variant of systemic allergic contact dermatitis. It is typically triggered by drugs such as beta-lactam antibiotics or antihypertensives. The reaction presents as erythema with flexural prominence.
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