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<p>Angiogenesis describes the sprouting of blood vessels from existing vasculatures and it plays a pivotal role in disease progress such as diabetes, age-related macular degeneration and cancer. However, the most widely used anti-angiogenic agents targeting vascular endothelial growth factor (VEGF) pathway still lacked of specificity and therapeutic efficacy. To establish a method suitable for high-throughput drug screening and faithfully recapitulate the feature of in vivo angiogenesis, we generated a <i>PECAM1-mRuby3-secNluc; ACTA2-EGFP</i> dual reporter human pluripotent stem cell (hPSC) line and utilizing the cell line to establish a visualized and quantifiable in vitro angiogenesis model with stem cell-derived vascular organoid. Using this method, we evaluated the anti-angiogenic effect of VEGFR inhibitor and efficiently identified several potential candidates of pro- and anti-angiogenic therapy via bioluminescence-based quantification. Overall, our study provides a valuable platform for in vitro drug screenings.</p>

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A novel quantitative angiogenesis assay based on visualized vascular organoid

  • 期刊论文

  • 发表日期：

    2025年1月3日

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  • Yun Zhao,
  • Mengze Sun,
  • Zihang Pan,
  • Weijing Kong,
  • Zixuan Hong,
  • Wei Zhang,
  • Bingbing Sun,
  • Jingjing Zhang,
  • Xi Wang,
  • Kai Wang

摘要

Angiogenesis describes the sprouting of blood vessels from existing vasculatures and it plays a pivotal role in disease progress such as diabetes, age-related macular degeneration and cancer. However, the most widely used anti-angiogenic agents targeting vascular endothelial growth factor (VEGF) pathway still lacked of specificity and therapeutic efficacy. To establish a method suitable for high-throughput drug screening and faithfully recapitulate the feature of in vivo angiogenesis, we generated a PECAM1-mRuby3-secNluc; ACTA2-EGFP dual reporter human pluripotent stem cell (hPSC) line and utilizing the cell line to establish a visualized and quantifiable in vitro angiogenesis model with stem cell-derived vascular organoid. Using this method, we evaluated the anti-angiogenic effect of VEGFR inhibitor and efficiently identified several potential candidates of pro- and anti-angiogenic therapy via bioluminescence-based quantification. Overall, our study provides a valuable platform for in vitro drug screenings.