TMEM8B and nasopharyngeal carcinoma: In NPC cells, the expression of RhoA and vitronectin are both decreased following the induction of NGX6, and the induction of NGX6 up-regulates the expression of KRT1, integrin a2, integrin b7, PSCD2L, CD9, ezrin, nm23-H1, VE-cadherin and catenin a2.