Ultraviolet exposure regulates skin metabolome based on the microbiome

Author:

Patra Vijaykumar,Bordag Natalie,Clement Yohann,Köfeler Harald,Nicolas Jean-Francois,Vocanson Marc,Ayciriex Sophie,Wolf Peter

Abstract

AbstractSkin metabolites (< 1500 Da) play a critical role in barrier function, hydration, immune response, microbial invasion, and allergen penetration. We aimed to understand the global metabolic profile changes of the skin in relation to the microbiome and UV exposure and exposed germ-free (devoid of microbiome), disinfected mice (partially devoid of skin microbiome) and control mice with intact microbiome to immunosuppressive doses of UVB radiation. Targeted and untargeted lipidome and metabolome profiling was performed with skin tissue by high-resolution mass spectrometry. UV differentially regulated various metabolites such as alanine, choline, glycine, glutamine, and histidine in germ-free mice compared to control mice. Membrane lipid species such as phosphatidylcholine, phosphatidylethanolamine, and sphingomyelin were also affected by UV in a microbiome-dependent manner. These results shed light on the dynamics and interactions between the skin metabolome, microbiome, and UV exposure and open new avenues for the development of metabolite- or lipid-based applications to maintain skin health.

Funder

City of Graz

Austrian Science Fund

Publisher

Springer Science and Business Media LLC

Subject

Multidisciplinary

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