P2RX4 and neoplasm: Also, we identified novel predicted tumor-suppressive ligands (SLIT3, DCN, CCN3, THBS1, INHA and INHBA), proteins (DNASE1L3, SULF1, PTEN, OAS1, and DAB2IP), and receptors (P2RX4, CDHR2, PTPRJ, and PTPRH) in MSC1 cells.