Article ID Journal Published Year Pages File Type
2049065 FEBS Letters 2010 5 Pages PDF
Abstract

Very low density lipoprotein receptors (VLDLR) including type I and type II are known to affect cell functions by binding to its extracellular ligands. However, the effect of these ligands on VLDLR expression remains elusive. Tissue factor pathway inhibitor (TFPI) and urokinase plasminogen activator and plasminogen activator inhibitor 1 (uPA–PAI-1) complex, two ligands of VLDLR, were used to examine their effects on VLDLR expression. TFPI treatment decreased type II VLDLR expression, inhibited cell proliferation and migration, and degradated β-catenin in SGC7901 cells. However, uPA–PAI-1 complex, increased type II VLDLR expression with promoted cell proliferation and migration and stabilization of β-catenin. These results indicated that extracellular ligands can change the expression of type II VLDLR to affect cell proliferation and migration.

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