Abstract：
:Deltonin is a steroidal saponin which could suppress tumor growth through suppressing angiogenesis, but the mechanisms have not been directly elucidated yet. In the present study, we showed that deltonin inhibited the proliferation of primary cultured human umbilical vein endothelial cells (HUVECs) in vitro; notably, it could significantly inhibit HUVECs migration, invasion, and tube formation, which are indispensable progresses of angiogenesis. We further demonstrated that deltonin could inhibit VEGF-induced blood vessel formation in vivo. What is more, we found that deltonin blocked VEGF triggered phosphorylation of key intracellular angiogenic molecules, such as VEGFR2, Src family kinase, focal adhesion kinase (FAK), extracellular signal-related kinase (Erk1/2) and AKT kinase, accompanied with the increase of phosphorylated P38MAPK. Taken together, the present study demonstrates that deltonin inhibits angiogenesis through regulating VEGFR2 signaling pathway as well as AKT/MAPK signaling pathways in endothelial cells.
journal_name
Steroidsjournal_title
Steroidsauthors
Tong Q,Zhao Q,Qing Y,Hu X,Jiang L,Wu Xdoi
10.1016/j.steroids.2014.12.019subject
Has Abstractpub_date
2015-04-01 00:00:00pages
30-6eissn
0039-128Xissn
1878-5867pii
S0039-128X(14)00312-2journal_volume
96pub_type
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