The Epidermal Growth Factor-like Domain of CD93 Is a Potent Angiogenic Factor

Yuan Chung Kao, Shinn Jong Jiang, Wen An Pan, Kuan Chieh Wang, Po Ku Chen, Hsi Ju Wei, Wei Sheng Chen, Bi Ing Chang, Guey Yueh Shi, Hua-Lin Wu

Research output: Contribution to journalArticle

23 Citations (Scopus)

Abstract

Human CD93, an epidermal growth factor (EGF)-like domain containing transmembrane protein, is predominantly expressed in the vascular endothelium. Studies have shown that AA4, the homolog of CD93 in mice, may mediate cell migration and angiogenesis in endothelial cells. Soluble CD93 has been detected in the plasma of healthy individuals. However, the role of soluble CD93 in the endothelium remains unclear. Recombinant soluble CD93 proteins with EGF-like domains (rCD93D123, with domains 1, 2, and 3; and rCD93D23, with domains 2 and 3) were generated to determine their functions in angiogenesis. We found that rCD93D23 was more potent than rCD93D123 in stimulating the proliferation and migration of human umbilical vein endothelial cells (HUVECs). Production of matrix-metalloproteinase 2 increased after the HUVECs were treated with rCD93D23. Further, in a tube formation assay, rCD93D23 induced cell differentiation of HUVECs through phosphoinositide 3-kinase/Akt/endothelial nitric oxide synthase and extracellular signal-regulated kinases-1/2 signaling. Moreover, rCD93D23 promoted blood vessel formation in a Matrigel-plug assay and an oxygen-induced retinopathy model in vivo. Our findings suggest that the soluble EGF-like domain containing CD93 protein is a novel angiogenic factor acting on the endothelium.

Original languageEnglish
Article numbere51647
JournalPloS one
Volume7
Issue number12
DOIs
Publication statusPublished - 2012 Dec 18

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Angiogenesis Inducing Agents
epidermal growth factor
Endothelial cells
Human Umbilical Vein Endothelial Cells
endothelium
Epidermal Growth Factor
angiogenesis
blood vessels
Endothelium
retinal diseases
Assays
gelatinase A
transmembrane proteins
1-Phosphatidylinositol 4-Kinase
Mitogen-Activated Protein Kinase 3
Nitric Oxide Synthase Type III
Mitogen-Activated Protein Kinase 1
Matrix Metalloproteinase 2
phosphatidylinositol 3-kinase
Vascular Endothelium

All Science Journal Classification (ASJC) codes

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

Cite this

Kao, Y. C., Jiang, S. J., Pan, W. A., Wang, K. C., Chen, P. K., Wei, H. J., ... Wu, H-L. (2012). The Epidermal Growth Factor-like Domain of CD93 Is a Potent Angiogenic Factor. PloS one, 7(12), [e51647]. https://doi.org/10.1371/journal.pone.0051647
Kao, Yuan Chung ; Jiang, Shinn Jong ; Pan, Wen An ; Wang, Kuan Chieh ; Chen, Po Ku ; Wei, Hsi Ju ; Chen, Wei Sheng ; Chang, Bi Ing ; Shi, Guey Yueh ; Wu, Hua-Lin. / The Epidermal Growth Factor-like Domain of CD93 Is a Potent Angiogenic Factor. In: PloS one. 2012 ; Vol. 7, No. 12.
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abstract = "Human CD93, an epidermal growth factor (EGF)-like domain containing transmembrane protein, is predominantly expressed in the vascular endothelium. Studies have shown that AA4, the homolog of CD93 in mice, may mediate cell migration and angiogenesis in endothelial cells. Soluble CD93 has been detected in the plasma of healthy individuals. However, the role of soluble CD93 in the endothelium remains unclear. Recombinant soluble CD93 proteins with EGF-like domains (rCD93D123, with domains 1, 2, and 3; and rCD93D23, with domains 2 and 3) were generated to determine their functions in angiogenesis. We found that rCD93D23 was more potent than rCD93D123 in stimulating the proliferation and migration of human umbilical vein endothelial cells (HUVECs). Production of matrix-metalloproteinase 2 increased after the HUVECs were treated with rCD93D23. Further, in a tube formation assay, rCD93D23 induced cell differentiation of HUVECs through phosphoinositide 3-kinase/Akt/endothelial nitric oxide synthase and extracellular signal-regulated kinases-1/2 signaling. Moreover, rCD93D23 promoted blood vessel formation in a Matrigel-plug assay and an oxygen-induced retinopathy model in vivo. Our findings suggest that the soluble EGF-like domain containing CD93 protein is a novel angiogenic factor acting on the endothelium.",
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Kao, YC, Jiang, SJ, Pan, WA, Wang, KC, Chen, PK, Wei, HJ, Chen, WS, Chang, BI, Shi, GY & Wu, H-L 2012, 'The Epidermal Growth Factor-like Domain of CD93 Is a Potent Angiogenic Factor', PloS one, vol. 7, no. 12, e51647. https://doi.org/10.1371/journal.pone.0051647

The Epidermal Growth Factor-like Domain of CD93 Is a Potent Angiogenic Factor. / Kao, Yuan Chung; Jiang, Shinn Jong; Pan, Wen An; Wang, Kuan Chieh; Chen, Po Ku; Wei, Hsi Ju; Chen, Wei Sheng; Chang, Bi Ing; Shi, Guey Yueh; Wu, Hua-Lin.

In: PloS one, Vol. 7, No. 12, e51647, 18.12.2012.

Research output: Contribution to journalArticle

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Kao YC, Jiang SJ, Pan WA, Wang KC, Chen PK, Wei HJ et al. The Epidermal Growth Factor-like Domain of CD93 Is a Potent Angiogenic Factor. PloS one. 2012 Dec 18;7(12). e51647. https://doi.org/10.1371/journal.pone.0051647