Endothelial angiogenesis is directed by RUNX1T1-regulated VEGFA, BMP4 and TGF-β2 expression

Ko Hsun Liao, Shing Jyh Chang, Hsin Chuan Chang, Chen Li Chien, Tse Shun Huang, Te Chia Feng, Wen Wei Lin, Chuan Chi Shih, Muh Hwa Yang, Shung Haur Yang, Chi Hung Lin, Wei Lun Hwang, Oscar K. Lee

研究成果: 雜誌貢獻文章

5 引文 斯高帕斯(Scopus)

摘要

Tissue angiogenesis is intimately regulated during embryogenesis and postnatal development. Defected angiogenesis contributes to aberrant development and is the main complication associated with ischemia-related diseases. We previously identified the increased expression of RUNX1T1 in umbilical cord blood-derived endothelial colony-forming cells (ECFCs) by gene expression microarray. However, the biological relevance of RUNX1T1 in endothelial lineage is not defined clearly. Here, we demonstrate RUNX1T1 regulates the survival, motility and tube forming capability of ECFCs and EA.hy926 endothelial cells by loss-and gain-of function assays, respectively. Second, embryonic vasculatures and quantity of bone marrow-derived angiogenic progenitors are found to be reduced in the established Runx1t1 heterozygous knockout mice. Finally, a central RUNX1T1-regulated signature is uncovered and VEGFA, BMP4 as well as TGF-β2 are demonstrated to mediate RUNX1T1-orchested angiogenic activities. Taken together, our results reveal that RUNX1T1 serves as a common angiogenic driver for vaculogenesis and functionality of endothelial lineage cells. Therefore, the discovery and application of pharmaceutical activators for RUNX1T1 will improve therapeutic efficacy toward ischemia by promoting neovascularization.
原文英語
文章編號e0179758
期刊PLoS One
12
發行號6
DOIs
出版狀態已發佈 - 六月 1 2017

ASJC Scopus subject areas

  • Medicine(all)
  • Biochemistry, Genetics and Molecular Biology(all)
  • Agricultural and Biological Sciences(all)

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    Liao, K. H., Chang, S. J., Chang, H. C., Chien, C. L., Huang, T. S., Feng, T. C., Lin, W. W., Shih, C. C., Yang, M. H., Yang, S. H., Lin, C. H., Hwang, W. L., & Lee, O. K. (2017). Endothelial angiogenesis is directed by RUNX1T1-regulated VEGFA, BMP4 and TGF-β2 expression. PLoS One, 12(6), [e0179758]. https://doi.org/10.1371/journal.pone.0179758