Comparative assessment of commercially available wound gels in ex vivo human skin reveals major differences in immune response‑modulatory effects

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27 10月 2026

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Author : 伤口世界

S.Seiser¹ , D. Cerbu¹ , A. Gallhofer¹ , J. Matiasek² & A. Elbe‑Bürger^1*

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Comparative assessment of commercially available wound gels in ex vivo human skin reveals major differences in immune response‑modulatory effects 2026-10-27 00:00

S.Seiser¹ , D. Cerbu¹ , A. Gallhofer¹ , J. Matiasek² & A. Elbe‑Bürger^1*
Effect of Stabilized Hypochlorous Acid on Re-epithelialization and Bacterial Bioburden in Acute Wounds: A Randomized Controlled Trial in Healthy Volunteers 2026-10-26 00:00

Ewa A. BURIAN¹, Lubna SABAH¹, Klaus KIRKETERP-MØLLER¹, Glenn GUNDERSEN² and Magnus S. ÅGREN^1,3,4

¹Department of Dermatology and Copenhagen Wound Healing Center, Bispebjerg Hospital, University of Copenhagen, Copenhagen, Denmark, ²SoftOx Solutions AS, Oslo, Norway, ³Digestive Disease Center, Bispebjerg Hospital, University of Copenhagen, and ⁴Department of Clinical Medicine, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
Topical hypochlorous acid (HOCl) blocks inflammatory gene expression and tumorigenic progression in UV-exposed SKH-1 high risk mouse skin 2026-10-24 00:00

Jana Jandova ^a,b , Jeremy Snell ^a,b , Anh Hua ^a,b , Sally Dickinson ^b , Jocelyn Fimbres ^a,b , Georg T. Wondrak ^a,b,*

^aDepartment of Pharmacology and Toxicology, College of Pharmacy and UA Cancer Center, University of Arizona, Tucson, AZ, USA

^bUA Cancer Center, University of Arizona, Tucson, AZ, USA

ABSTRACT

Hypochlorous acid (HOCl) is the active oxidizing principle underlying drinking water disinfection, also delivered by numerous skin disinfectants and released by standard swimming pool chemicals used on a global scale, a topic of particular relevance in the context of the ongoing COVID-19 pandemic. However, the cutaneous consequences of human exposure to HOCl remain largely unknown, posing a major public health concern. Here, for the first time, we have profiled the HOCl-induced stress response in reconstructed human epidermis and SKH-1 hairless mouse skin. In addition, we have investigated the molecular consequences of solar simulated ultraviolet (UV) radiation and HOCl combinations, a procedure mimicking co-exposure experienced for example by recreational swimmers exposed to both HOCl (pool disinfectant) and UV (solar radiation). First, gene expression elicited by acute topical HOCl exposure was profiled in organotypic human reconstructed epidermis. Next, co-exposure studies (combining topical HOCl and UV) performed in SKH-1 hairless mouse skin revealed that the HOCl-induced cutaneous stress response blocks redox and inflammatory gene expression elicited by subsequent acute UV exposure (Nos2, Ptgs2, Hmox1, Srxn1), a finding consistent with emerging clinical evidence in support of a therapeutic role of topical HOCl formulations for the suppression of inflammatory skin conditions (e.g. atopic dermatitis, psoriasis). Likewise, in AP-1 transgenic SKH-1 luciferase-reporter mice, topical HOCl suppressed UV-induced inflammatory signaling assessed by bioluminescent imaging and gene expression analysis. In the SKH-1 high-risk mouse model of UV-induced human keratinocytic skin cancer, topical HOCl blocked tumorigenic progression and inflammatory gene expression (Ptgs2, Il19, Tlr4), confirmed by immunohisto-chemical analysis including 3-chloro-tyrosine-epitopes. These data illuminate the molecular consequences of HOCl-exposure in cutaneous organotypic and murine models assessing inflammatory gene expression and modulation of UV-induced carcinogenesis. If translatable to human skin these observations provide novel insights on molecular consequences of chlorination stress relevant to environmental exposure and therapeutic.

Keywords:

Pathway-focused gene expression profiling Hypochlorous acid Skin cancer Solar UV radiation Inflammation Oxidative stress

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主任医师、教授、博导，南方医科大学第三附属医院（广东省骨科医院）院长

Comparative assessment of commercially available wound gels in ex vivo human skin reveals major differences in immune response‑modulatory effects

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主任医师、教授、博导，南方医科大学第三附属医院（广东省骨科医院）院长

Comparative assessment of commercially available wound gels in ex vivo human skin reveals major differences in immune response‑modulatory effects

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