First Author | Hirao T | Year | 2006 |
Journal | Exp Cell Res | Volume | 312 |
Issue | 3 | Pages | 331-9 |
PubMed ID | 16336960 | Mgi Jnum | J:105737 |
Mgi Id | MGI:3616393 | Doi | 10.1016/j.yexcr.2005.10.032 |
Citation | Hirao T, et al. (2006) Overexpression of ADAM9 enhances growth factor-mediated recycling of E-cadherin in human colon cancer cell line HT29 cells. Exp Cell Res 312(3):331-9 |
abstractText | Growth factor-mediated stimulation of epithelial cells induces the disassembly of E-cadherin-mediated cell-cell adhesion. We found that overexpression of a disintegrin and metalloprotease 9 (ADAM9) enhanced growth factor-mediated induction of endocytosis and dynamic recycling of E-cadherin in HT29 human colon cancer cells. In addition, ubiquitination and degradation of E-cadherin were reduced in these cells. ADAM9 constitutively interacted with E-cadherin, and the two proteins co-localized at the plasma membrane of HT29 cells. Administration of a metalloprotease inhibitor or overexpression of an ADAM9 mutant lacking metalloprotease activity attenuated growth factor-dependent endocytosis and recycling of E-cadherin as well as scattering of HT29 cells. These results suggest that the metalloprotease activity of ADAM9 mediates growth factor-induced endocytosis and dynamic recycling of E-cadherin and prevents E-cadherin degradation. |