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Introducing Aurora Kinase A as a Gene Target Against Photoaging: A Network Analysis.

Nikoo Hossein-Khannazer1, Babak Arjmand2,3, Nastaran Asri4

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Solar radiation significantly impacts human skin, altering gene expression. AURKA was identified as a key gene involved in the skin

Keywords:
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Area of Science:

  • Genomics and Bioinformatics
  • Dermatology
  • Molecular Biology

Background:

  • Solar radiation, encompassing infrared to ultraviolet wavelengths, affects human skin.
  • Understanding the molecular response to solar radiation is crucial for addressing skin damage and aging.

Purpose of the Study:

  • To analyze the human skin's response to solar-stimulated radiation using protein-protein interaction (PPI) network analysis.
  • To identify critical differentially expressed genes (DEGs) involved in the skin's reaction to solar radiation.

Main Methods:

  • Utilized Gene Expression Omnibus (GEO) data (GSE22083) for human skin exposed to solar radiation.
  • Performed box plot and Uniform Manifold Approximation and Projection (UMAP) analysis.
  • Constructed a directed PPI network using Cytoscape and the CluePedia plugin to identify key DEGs based on out-degree.

Main Results:

  • Identified 1482 significant DEGs in response to solar radiation.
  • Highlighted AURKA, CENPA, PP2R1B, UBE2O, RPA3, YKT6, SMARCA5, and SMAD3 as critical actor genes.
  • AURKA emerged as the top-ranked DEG, indicating its significant role.

Conclusions:

  • AURKA is a key gene in the human skin's response to solar radiation and a potential target for combating photoaging.
  • Established links between solar radiation and processes including DNA repair, immune response, and fibrosis.