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Orai1 Facilitates Angiogenesis After Myocardial Infarction Through Notch1 Signaling Pathway - PubMed

2 hours ago
  • #Calcium Signaling
  • #Angiogenesis
  • #Myocardial Infarction
  • Orai1-dependent store-operated calcium entry supports angiogenesis after myocardial infarction (MI).
  • Serum from MI patients upregulates VEGF, Notch, and Ca2+ signaling, increasing Orai1 expression and activity.
  • Orai1 inhibition impairs angiogenesis in zebrafish embryos, and its upregulation is confirmed in tip cells and proliferating endothelial cells.
  • Orai1 silencing disrupts VEGF and Notch1-related proteins, and IL-17A mimics MI serum effects on Orai1.
  • Orai1 is a potential therapeutic target for cardiac repair post-MI.