(SA) colonizes and can damage skin in atopic dermatitis lesions, despite being commonly found with (SE), a commensal that can inhibit SA's virulence and kill SA. In this study, we developed an model, termed a virtual skin site, describing the dynamic interplay between SA, SE, and the skin barrier in atopic dermatitis lesions to investigate the mechanisms driving skin damage by SA and SE. We generated 10 virtual skin sites by varying model parameters to represent different skin physiologies and bacterial properties. analysis revealed that virtual skin sites with no skin damage in the model were characterized by parameters representing stronger SA and SE growth attenuation than those with skin damage. This inspired an treatment strategy combining SA-killing with an enhanced SA-SE growth attenuation, which was found through simulations to recover many more damaged virtual skin sites to a non-damaged state, compared with SA-killing alone. This study demonstrates that modelling can help elucidate the key factors driving skin damage caused by SA-SE colonization in atopic dermatitis lesions and help propose strategies to control it, which we envision will contribute to the design of promising treatments for clinical studies.
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http://dx.doi.org/10.1016/j.xjidi.2024.100269 | DOI Listing |
Am J Case Rep
January 2025
Department of Pediatric Surgery, Medical University of Warsaw, Warsaw, Poland.
BACKGROUND Perineal injuries affecting the scrotum and penis are rare in pediatric patients, owing to the protective anatomy of the male genitalia. However, when such injuries do occur, timely surgical intervention is crucial. This kind of damage might not be life-threatening but could cause functional disorders and have a huge impact on the patients' psychological condition if not treated appropriately, especially as they enter puberty.
View Article and Find Full Text PDFBMJ Case Rep
January 2025
Department of Ophthalmology, Rochdale Infirmary, Rochdale, UK.
Sweet syndrome (SS), or acute febrile neutrophilic dermatosis, is a dermatologic, auto-inflammatory disorder of unclear origin, often accompanied by systemic inflammation affecting various tissues, including the eyes. Common ocular manifestations include conjunctivitis but can extend to other ocular tissues. Orbital apex syndrome (OAS) involves damage to several cranial nerves transversing the orbital apex, leading to ophthalmoplegia and vision loss.
View Article and Find Full Text PDFCurr Rheumatol Rev
January 2025
University of Toronto, Psoriatic Arthritis Program, University Health Network, Toronto Western Hospital, Toronto, Ontario, Canada.
Psoriatic arthritis (PsA) is a heterogeneous inflammatory disease with various joint and skin manifestations and multiple associated comorbidities. The management of PsA is important not only in controlling disease activity and preventing subsequent damage but also in improving the quality of life and reducing mortality. Over the years, numerous drugs have been introduced into the therapeutic armamentarium of the disease.
View Article and Find Full Text PDFGeriatr Gerontol Int
January 2025
Department of Advanced Senotherapeutics and Department of Cardiovascular Biology and Medicine, Juntendo University Graduate School of Medicine, Tokyo, Japan.
In this review, we review the current status of biomarkers for aging and possible perspectives on anti-aging or rejuvenation from the standpoint of biomarkers. Aging is observed in all cells and organs, and we focused on research into senescence in the skin, musculoskeletal system, immune system, and cardiovascular system. Commonly used biomarkers include SA-βgal, cell-cycle markers, senescence-associated secretory phenotype (SASP) factors, damage-associated molecular patterns (DAMPs), and DNA-damage-related markers.
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January 2025
School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, 102488, China.
The main advantages of microneedles are precise drug delivery through human skin, minimal tissue damage and painlessness. We conducted structural analysis and skin puncture studies of hollow microneedles using ANSYS for three materials: Hafnium Dioxide (HfO), Polyglycolic acid (PGA) and Polylactic acid (PLA). Firstly, we selected three lengths, three tip diameters and three base diameters to conduct a L(3) orthogonal experiment.
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