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NDRG1 activates VEGF-A-induced angiogenesis through PLC?1/ERK signaling in mouse vascular endothelial cells.


ABSTRACT: Many diseases, including cancer, have been associated with impaired regulation of angiogenesis, of which vascular endothelial growth factor (VEGF)-A is a key regulator. Here, we test the contribution of N-myc downstream regulated gene 1 (NDRG1) to VEGF-A-induced angiogenesis in vascular endothelial cells (ECs). Ndrg1-/- mice exhibit impaired VEGF-A-induced angiogenesis in corneas. Tumor angiogenesis induced by cancer cells that express high levels of VEGF-A was also reduced in a mouse dorsal air sac assay. Furthermore, NDRG1 deficiency in ECs prevented angiogenic sprouting from the aorta and the activation of phospholipase C?1 (PLC?1) and ERK1/2 by VEGF-A without affecting the expression and function of VEGFR2. Finally, we show that NDRG1 formed a complex with PLC?1 through its phosphorylation sites, and the inhibition of PLC?1 dramatically suppressed VEGF-A-induced angiogenesis in the mouse cornea, suggesting an essential role of NDRG1 in VEGF-A-induced angiogenesis through PLC?1 signaling.

SUBMITTER: Watari K 

PROVIDER: S-EPMC7060337 | biostudies-literature | 2020 Mar

REPOSITORIES: biostudies-literature

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NDRG1 activates VEGF-A-induced angiogenesis through PLCγ1/ERK signaling in mouse vascular endothelial cells.

Watari Kosuke K   Shibata Tomohiro T   Fujita Hideaki H   Shinoda Ai A   Murakami Yuichi Y   Abe Hideyuki H   Kawahara Akihiko A   Ito Hiroshi H   Akiba Jun J   Yoshida Shigeo S   Kuwano Michihiko M   Ono Mayumi M  

Communications biology 20200306 1


Many diseases, including cancer, have been associated with impaired regulation of angiogenesis, of which vascular endothelial growth factor (VEGF)-A is a key regulator. Here, we test the contribution of N-myc downstream regulated gene 1 (NDRG1) to VEGF-A-induced angiogenesis in vascular endothelial cells (ECs). Ndrg1<sup>-/-</sup> mice exhibit impaired VEGF-A-induced angiogenesis in corneas. Tumor angiogenesis induced by cancer cells that express high levels of VEGF-A was also reduced in a mouse  ...[more]

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