PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 22102807-3 2011 Activation of the P2X7 receptor opens a cation-specific channel that alters the ionic environment of the cell, activating several pathways, including (i) the inflammasome, leading to production of IL-1beta and IL-18; (ii) the stress-activated protein kinase pathway, resulting in apoptosis; (iii) the mitogen-activated protein kinase pathway, leading to generation of reactive oxygen and nitrogen intermediates; and (iv) phospholipase D, stimulating phagosome-lysosome fusion. reactive oxygen 368-383 purinergic receptor P2X 7 Homo sapiens 18-31