AQP2 and neoplasm: Three genes related to tumor metastasis, namely, ankyrin repeat and FYVE domain containing 1 (ANKFY1), lymphocyte transmembrane adaptor 1 (LAX1), and latent transforming growth factor beta-binding protein 1 (LTBP1) (provided by RefSeq, Apr 2012), were selected for follow-up studies to test the effects of AQP2 on these genes.