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Mar. Drugs 2012, 10(6), 1307-1320; doi:10.3390/md10061307
Article

Marine Cyclotripeptide X-13 Promotes Angiogenesis in Zebrafish and Human Endothelial Cells via PI3K/Akt/eNOS Signaling Pathways

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Received: 4 March 2012 / Revised: 8 May 2012 / Accepted: 29 May 2012 / Published: 7 June 2012
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Abstract

Cyclotripeptide X-13 is a core of novel marine compound xyloallenoide A isolated from mangrove fungus Xylaria sp. (no. 2508). We found that X-13 dose-dependently induced angiogenesis in zebrafish embryos and in human endothelial cells, which was accompanied by increased phosphorylation of eNOS and Akt and NO release. Inhibition of PI3K/Akt/eNOS by LY294002 or l-NAME suppressed X-13-induced angiogenesis. The present work demonstrates that X-13 promotes angiogenesis via PI3K/Akt/eNOS pathways.
Keywords: angiogenesis; marine cyclotripeptide; zebrafish; endothelial nitric oxide synthase; xyloallenoide A angiogenesis; marine cyclotripeptide; zebrafish; endothelial nitric oxide synthase; xyloallenoide A
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Lu, X.-L.; Xu, Z.-L.; Yao, X.-L.; Su, F.-J.; Ye, C.-H.; Li, J.; Lin, Y.-C.; Wang, G.-L.; Zeng, J.-S.; Huang, R.-X.; Ou, J.-S.; Sun, H.-S.; Wang, L.-P.; Pang, J.-Y.; Pei, Z. Marine Cyclotripeptide X-13 Promotes Angiogenesis in Zebrafish and Human Endothelial Cells via PI3K/Akt/eNOS Signaling Pathways. Mar. Drugs 2012, 10, 1307-1320.

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