Epidermal Expression of Receptor for Advanced Glycation End Products (RAGE) Is Related to Inflammation and Apoptosis in Human Skin

    February 2016 in “ Experimental Dermatology ”
    Maeko Iwamura, Yasuhiko Yamamoto, Yoshiaki Kitayama, Kazuhiko Higuchi, Tsutomu Fujimura, Tadashi Hase, Hiroshi Yamamoto
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    TLDR Skin RAGE levels are linked to inflammation and cell death.
    The study, which analyzed skin samples from 67 patients, found that the expression of the receptor for advanced glycation end products (RAGE) in the human epidermis is significantly correlated with epidermal thickness and is predominantly expressed in keratinocytes, fibroblasts, and endothelial cells. The expression of the AGER gene, responsible for encoding membrane-bound RAGE (mRAGE), was positively associated with levels of pro-inflammatory cytokines and pro-apoptotic factors, indicating its potential role in regulating inflammation and apoptosis in the skin. The findings suggest that mRAGE may be important for maintaining skin homeostasis by monitoring and responding to acute epidermal reactions.
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