Abstract:
:Endostatin, a 20 kDa C-terminal fragment of collagen XVIII, is a specific inhibitor of endothelial cell proliferation and angiogenesis. In the present study, we have expressed human endostatin in a yeast expression system (10 mg/L). The recombinant protein was expressed in a soluble form and purified to homogeneity. It specifically inhibited the proliferation and migration of endothelial cells. In addition, we report for the first time that endostatin caused G1 arrest of endothelial cells. Also, we show that endostatin treatment resulted in apoptosis of HUVE and HMVE cells and that all of these effects do not occur in nonendothelial cells. Collectively, these findings demonstrate the expression of a biologically active form of human endostatin in yeast and provide important mechanistic insight into endostatin action on endothelial cells.
journal_name
Biochem Biophys Res Communjournal_title
Biochemical and biophysical research communicationsauthors
Dhanabal M,Volk R,Ramchandran R,Simons M,Sukhatme VPdoi
10.1006/bbrc.1999.0595subject
Has Abstractpub_date
1999-05-10 00:00:00pages
345-52issue
2eissn
0006-291Xissn
1090-2104pii
S0006-291X(99)90595-8journal_volume
258pub_type
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journal_title:Biochemical and biophysical research communications
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journal_title:Biochemical and biophysical research communications
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