Anti-aging and rejuvenating effects and mechanism of Dead Sea water in skin / Xiaojuan Yan in INTERNATIONAL JOURNAL OF COSMETIC SCIENCE, Vol. 46, N° 2 (04/2024)  

[article]  inINTERNATIONAL JOURNAL OF COSMETIC SCIENCE > Vol. 46, N° 2 (04/2024) . - p. 307-317 Titre : Anti-aging and rejuvenating effects and mechanism of Dead Sea water in skin Type de document : texte imprimé Auteurs : Xiaojuan Yan, Auteur ; Xijun Bao, Auteur ; Shujun Cheng, Auteur ; Qian Ba, Auteur ; Junzhuang Chang, Auteur ; Kanghui Zhou, Auteur ; Xiufang Yan, Auteur Année de publication : 2024 Article en page(s) : p. 307-317 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Antiâge Cellules -- Cultures et milieux de culture Cosmétiques Dermo-cosmétologie Eau de la Mer Morte Génétique Peau -- Anatomie Peau -- Physiologie Peau -- Soins et hygiène Index. décimale : 668.5 Parfums et cosmétiques Résumé : - Objective : External environmental stressors and internal factors have a significant impact on the skin, causing inflammation, aging, reduced immunity and other adverse responses. Dead Sea Water (DSW) is well known for its dermatological benefits and has been widely used in dermatological therapy and skin care for conditions such as psoriasis, atopic dermatitis and photoaging. However, the anti-aging and rejuvenating effects of DSW and the related biological pathways involved, which have attracted increasing attention, are not fully understood. The aim of this study is to investigate the anti-aging and rejuvenating effects of DSW and to explore the related potential biological mechanisms of DSW under different environmental conditions. - Methods : The effects of DSW were investigated using in vitro human dermal cells and reconstructed skin models. Extracellular matrix (ECM) components and the morphological changes at the dermal-epidermal junction (DEJ) in a 3D human skin model were evaluated after DSW treatment. RNA sequencing (RNA-seq) analysis of human dermal fibroblast models after DSW treatment was performed to explore the potential mechanisms of action of DSW under normal and UV stress conditions. - Results : The novel findings in this work present the biological functions of DSW, including procollagen-1 and elastin secretion, hemidesmosome increase and the epidermal basal cell regeneration. In addition, GO, KEGG and Reactome analyses reveal the activation of pathways related to ion transmembrane transporter activity, ECM component biosynthesis, senescence-associated secretory phenotype (SASP), DNA repair and autophagy, which are associated with the anti-aging activities of DSW. - Conclusion : Our work provides new perspectives for understanding the anti-aging and rejuvenating effects and mechanisms of DSW. The new findings also provide a theoretical basis for the further development of age-related strategies. Note de contenu : - MATERIALS AND METHODS : Normal human dermal fibroblasts (NHDFs) culture and cell viability assay - Determination of procollagen-1 and elastin in NHDFs 3D reconstructed full-thickness skin models culture Transmission electron microscope (TEM) - Immunohistochemistry (IHC) assay - Library construction and RNA sequencing of NHDFs under normal and UV conditions - Differentially expressed genes (DEGs) and pathway analysis - Statistical analysis - RESULTS : Effect of DSW on the increase in ECM components in NHDFs - Effect of DSW on improving DEJ in 3D skin model - DEGs in NHDFs and pathway enrichment analysis DOI : https://doi.org/10.1111/ics.12931 En ligne : https://drive.google.com/file/d/1b4HqYY7MXTBDinFjbzgjBmBTkUpHyVBv/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=40914 [article]

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