Short synthetic endostatin peptides inhibit endothelial migration in vitro and endometriosis in a mouse model

被引:65
作者
Becker, CM
Sampson, DA
Short, SM
Javaherian, K
Folkman, J
D'Amato, RJ
机构
[1] Harvard Univ, Childrens Hosp, Sch Med,Dept Surg, Vasc Biol Program, Boston, MA 02115 USA
[2] Harvard Univ, Brigham & Womens Hosp, Sch Med, Dept Obstet & Gynecol, Boston, MA 02115 USA
[3] Charite, Dept Obstet & Gynecol, Berlin, Germany
[4] Harvard Univ, Sch Med, Dept Ophthalmol, Boston, MA USA
关键词
endostatin; angiogenesis inhibitors; endometriosis; animal model;
D O I
10.1016/j.fertnstert.2005.07.1290
中图分类号
R71 [妇产科学];
学科分类号
100211 ;
摘要
Objective: To determine the active peptide regions inside the angiogenesis inhibitor endostatin that can inhibit endothelial migration in vitro and also inhibit endometriosis in a mouse model. Design: Pharmacologic intervention in a surgically induced mouse model of endometriosis and endothelial migration assay. Setting: Animal research and laboratory facility. Subject(s): Eight-week-old, female C57BL/6 mice and human microvascular endothelial cells. Intervention(s): Eight overlapping synthetic peptides were tested for inhibitory potential on endothelial migration in vitro. The peptides with significant activity then were given for 4 weeks to mice after implantation of autologous endometrium. Main Outcome Measure(s): Inhibition of vascular endothelial growth factor-induced endothelial migration for in vitro studies. In vivo studies examined the growth rate of endometriotic lesions after 4 weeks of treatment, as well as the effect on estrous cycling and ovulation as assessed by corpus luteum formation. Result(s): The N-terminal mP-1 peptide and the internal mP-6 peptide inhibited endothelial migration in a dose-dependent manner. Additionally, both synthetic peptides suppressed growth of endometriotic lesions significantly in vivo. However, estrous cycling and corpus luteum formation were normal in both groups. Conclusion(s): Short endostatin fragments may be promising as a new, nontoxic therapeutic strategy for the treatment of endometriosis without inhibition of normal estrous cycles.
引用
收藏
页码:71 / 77
页数:7
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