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    Did you mean miR-21?
    Glossary miR-21

    small RNA molecule regulating gene expression and hair follicle development

    miR-21 is a type of microRNA, which are small molecules that help regulate gene expression in cells. It is known to play a role in various biological processes, including cell growth, apoptosis (programmed cell death), and differentiation. In the context of hair and alopecia, miR-21 has been implicated in the regulation of hair follicle development and cycling, and its dysregulation may contribute to hair loss conditions.

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    1. Dermal exosomes containing miR-218-5p promote hair regeneration by regulating β-catenin signaling Science Advances · 2020 · 65 citations
    2. miR‐218‐5p regulates skin and hair follicle development through Wnt/β‐catenin signaling pathway by targeting SFRP2 Journal of cellular physiology · 2019 · 54 citations
    3. A lipid–polymer hybrid nanoparticle (LPN)-loaded dissolving microneedle patch for promoting hair regrowth by transdermal miR-218 delivery Biomaterials Science · 2022 · 13 citations
    4. Exosomal miRNA-218–5p derived from low-passage dermal papilla cells modulates hair follicle growth and development Non-coding RNA Research · 2026
    5. 1362 Dermal papilla cell-derived extracellular vesicles as the future tools for hair regeneration 2023
    6. Transgenic Immortalization of Human Dermal Fibroblasts Mediated Through the MicroRNA/SIRT1 Pathway In Vivo · 2021 · 7 citations
    7. LncRNA-PCAT1 maintains characteristics of dermal papilla cells and promotes hair follicle regeneration by regulating miR-329/Wnt10b axis Experimental Cell Research · 2020 · 13 citations
    8. miR-133a-3p and miR-145-5p co-promote goat hair follicle stem cell differentiation by regulating NANOG and SOX9 expression Animal Bioscience · 2023
    9. Hair Dermal papilla maintain its hair inducing characteristics via autocrine exosomal miR-23a-3p 2025
    10. miR-370-3p Inhibited the Proliferation of Sheep Dermal Papilla Cells by Inhibiting the Expression of SMAD4 Cells · 2025 · 4 citations
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