Abstract:
:Angiogenesis is critical to a wide range of physiological and pathological processes. Scutellarin, a major flavonoid of a Chinese herbal medicine Erigeron breviscapus (Vant.) Hand. Mazz. has been shown to offer beneficial effects on cardiovascular and cerebrovascular functions. However, scutellarin's effects on angiogenesis and underlying mechanisms are not fully elucidated. Here, we studied angiogenic effects of scutellarin on human umbilical vein endothelial cells (HUVECs) in vitro. Scutellarin was found by MTT assay to induce proliferation of HUVECs. In scutellarin-treated HUVECs, a dramatic increase in migration was measured by wound healing assay; Transwell chamber assay found significantly more invading cells in scutellarin-treated groups. Scutellarin also promoted capillary-like tube formation in HUVECs on Matrigel, and significantly upregulated platelet endothelial cell adhesion molecule-1 at both mRNA and protein levels. Scutellarin's angiogenic mechanism was investigated in vitro by measuring expression of angiogenic factors associated with cell migration and invasion. Scutellarin strongly induced MMP-2 activation and mRNA expression in cultured HUVECs in a concentration-dependent manner. Taken together, these results suggest that scutellarin promotes angiogenesis and may form a basis for angiogenic therapy.
journal_name
Biochem Biophys Res Communjournal_title
Biochemical and biophysical research communicationsauthors
Gao ZX,Huang DY,Li HX,Zhang LN,Lv YH,Cui HD,Zheng JHdoi
10.1016/j.bbrc.2010.08.034subject
Has Abstractpub_date
2010-09-10 00:00:00pages
151-6issue
1eissn
0006-291Xissn
1090-2104pii
S0006-291X(10)01520-2journal_volume
400pub_type
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