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<p>Physical factors like LED light can influence cell behavior, impacting stem cell proliferation and differentiation. Stem cell-based therapies offer a promising alternative to heart transplantation for cardiac conditions like myocardial infarction. This study evaluated the effects of green LED light (530&#xa0;nm) and a biochemical inducer cocktail (oxytocin and ascorbic acid) on human adipose tissue-derived mesenchymal stem cells (hAD-MSCs) differentiation into cardiomyocyte-like cells. hAD-MSCs were treated with LED, the cocktail, and their combination. Cardiomyogenic markers NKX2.5, GATA4, cTnI, and CX43 were assessed via real-time PCR and western blotting. LED and the cocktail enhanced cardiac gene expression and protein synthesis, but their combination showed significantly higher effects, especially on day 7. This study demonstrates for the first time that green LED light combined with oxytocin and ascorbic acid can enhance hAD-MSC cardiac differentiation, supporting its potential in regenerative therapies following human studies.</p>

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The effects of green light-emitting diode irradiation and inducer factors on the differentiation of human adipose tissue-derived mesenchymal cells into myocardial-like cells

  • 期刊论文

  • 发表日期：

    2025年5月10日

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  • Elahe Mousanejad,
  • Massood Ezzatabadipour,
  • Masoumeh Baghalishahi,
  • Mohammad Shojaei,
  • Shayan Vafaei,
  • Ali Afgar,
  • Seyed Noureddin Nematollahi-Mahani

摘要

Physical factors like LED light can influence cell behavior, impacting stem cell proliferation and differentiation. Stem cell-based therapies offer a promising alternative to heart transplantation for cardiac conditions like myocardial infarction. This study evaluated the effects of green LED light (530 nm) and a biochemical inducer cocktail (oxytocin and ascorbic acid) on human adipose tissue-derived mesenchymal stem cells (hAD-MSCs) differentiation into cardiomyocyte-like cells. hAD-MSCs were treated with LED, the cocktail, and their combination. Cardiomyogenic markers NKX2.5, GATA4, cTnI, and CX43 were assessed via real-time PCR and western blotting. LED and the cocktail enhanced cardiac gene expression and protein synthesis, but their combination showed significantly higher effects, especially on day 7. This study demonstrates for the first time that green LED light combined with oxytocin and ascorbic acid can enhance hAD-MSC cardiac differentiation, supporting its potential in regenerative therapies following human studies.