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Review
. 2022 Jun;23(3):289-306.
doi: 10.1007/s10522-022-09966-x. Epub 2022 May 19.

Non-coding RNAs in photoaging-related mechanisms: a new paradigm in skin health

Mohammad Hasan Soheilifar  1 , Nastaran Masoudi-Khoram  2 , Afshan Shirkavand  3 , Shima Ghorbanifar  3
Affiliations
Review

Non-coding RNAs in photoaging-related mechanisms: a new paradigm in skin health

Mohammad Hasan Soheilifar et al. Biogerontology. 2022 Jun.

Abstract

The aging of skin is a biological process affected by environmental or genetic factors. Exposure to ultraviolet (UV) radiation is the main environmental factor causing skin aging. Cumulative UV-induced photodamage of the skin tissue is associated with premature cellular senescence, extracellular degradation, and inflammatory responses in photoaging processes. Non-coding RNAs (ncRNAs) are untranslated transcripts and master regulators of protein-coding genes. ncRNAs have a critical regulatory role in maintaining skin structure, skin barrier function, morphogenesis, and development. Altered ncRNA expression has been reported in various skin disorders such as photoaging and skin cancers. ncRNAs contribute to the suppression and promotion of photoaging by modulating signaling pathways such as mitogen-activated protein kinase (MAPK) pathway and regulating inflammatory cytokines, matrix metalloproteinases (MMPs), and senescence-associated genes. Elucidation of the functions of ncRNAs will improve the identification of molecular mechanisms underlying photoaging, and can be used in the development of therapeutic approaches in skin health and prevention of sun-induced aging. This review summarized the currently described ncRNAs and their functions in photoaging.

Keywords: Circular RNA; Long non-coding RNA; MicroRNA; Photoaging; Skin.

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