J. H. Lee, S. R. Park, K. O. Chay, Y. W. Seo, H. Kook, K. Y. Ahn, Y. J. Kim and K. K. Kim 2004. KAI1 COOH-terminal interacting tetraspanin (KITENIN), a member of the tetraspanin family, interacts with KAI1, a tumor metastasis suppressor, and enhances metastasis of cancer