PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 16818621-4 2006 After the first 10 to 12 in vitro passages, the constitutive NRAS(Q61R) transfectant displayed progressive accumulation in G(0)-G(1) phase of the cell cycle and stained for the senescence-associated beta-galactosidase activity (SA-beta-Gal). 2-(2-quinolinyl)-1H-indene--1,3(2H)-dione-6'-sulfonic acid 228-239 NRAS proto-oncogene, GTPase Homo sapiens 61-65