Purpose: To determine the effects of corneal epithelial membrane-type 1 matrix metalloproteinase (MT1-MMP) on vascular endothelial migration and proliferation. Methods: We generated immortalized wild-type, MT1-MMP knockout and MT1-MMP knock-in corneal epithelial cells. Calf pulmonary arterial endothelial (CPAE) cell proliferation and Boyden chamber migration were assayed. Results: Conditioned media from MT1-MMP epithelial knockout cells significantly increased CPAE proliferation 5-bromo-2'-deoxyuridine (BrdU) incorporation, and CPAE migration as compared with wild-type epithelial cells. Conditioned media from knock-in cells reversed the increase in CPAE proliferation, BrdU incorporation and CPAE migration. Knock-in cells transfected with mutant MT1-MMP (E240A) did not abrogate the reversal effect. Conclusions: Corneal epithelial MT1-MMP is antiangiogenic. This antiangiogenic activity does not require the catalytic domain.
机构:
Univ Calif San Francisco, Canc Res Inst & Anat Pathol, San Francisco, CA 94143 USAUniv Calif San Francisco, Canc Res Inst & Anat Pathol, San Francisco, CA 94143 USA
Coussens, Lisa M.
;
Jacks, Tyler
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机构:
MIT, David H Koch Inst Integrat Canc Res, Cambridge, MA 02139 USAUniv Calif San Francisco, Canc Res Inst & Anat Pathol, San Francisco, CA 94143 USA
机构:
Univ Calif San Francisco, Canc Res Inst & Anat Pathol, San Francisco, CA 94143 USAUniv Calif San Francisco, Canc Res Inst & Anat Pathol, San Francisco, CA 94143 USA
Coussens, Lisa M.
;
Jacks, Tyler
论文数: 0引用数: 0
h-index: 0
机构:
MIT, David H Koch Inst Integrat Canc Res, Cambridge, MA 02139 USAUniv Calif San Francisco, Canc Res Inst & Anat Pathol, San Francisco, CA 94143 USA