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Abstract <p>Extracellular vesicles secreted by keratinocytes are involved in intercellular interactions and contain various proteins, mRNA and miRNA, lipids, due to which they can activate cell migration and proliferation. The secreted human protein SLURP-2 regulates growth and differentiation of epithelial cells and affects proliferation and migration of keratinocytes. In this work, we showed that extracellular vesicles secreted by keratinocytes in the presence of SLURP-2 stimulate migration of HaCaT keratinocytes. It was also found that the expression of miRNA-96 and miRNA-183, suppressing cell migration and proliferation, is decreased in the vesicles secreted by keratinocytes in presence of SLURP-2. Thus, it is shown that the stimulation of keratinocyte migration in presence of SLURP-2 is associated, in particular, with a change in the repertoire of extracellular vesicles secreted by these cells.</p>

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Changes in the Repertoire of Extracellular Vesicles Secreted by Skin Keratinocytes by the Human Protein SLURP-2

  • 期刊论文

  • 发表日期：

    2025年4月11日

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  • T. Y. Gornostaeva,
  • O. V. Shlepova,
  • I. D. Kukushkin,
  • A. S. Paramonov,
  • M. P. Kirpichnikov,
  • E. N. Lyukmanova

摘要

Abstract

Extracellular vesicles secreted by keratinocytes are involved in intercellular interactions and contain various proteins, mRNA and miRNA, lipids, due to which they can activate cell migration and proliferation. The secreted human protein SLURP-2 regulates growth and differentiation of epithelial cells and affects proliferation and migration of keratinocytes. In this work, we showed that extracellular vesicles secreted by keratinocytes in the presence of SLURP-2 stimulate migration of HaCaT keratinocytes. It was also found that the expression of miRNA-96 and miRNA-183, suppressing cell migration and proliferation, is decreased in the vesicles secreted by keratinocytes in presence of SLURP-2. Thus, it is shown that the stimulation of keratinocyte migration in presence of SLURP-2 is associated, in particular, with a change in the repertoire of extracellular vesicles secreted by these cells.