PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 25333332-11 2014 In addition, metformin plus radiation significantly upregulated the expression of p-ATM, p-ATR, gamma-H2AX and downregulated the expression of ATM, ATR, p95/NBS1, Rad50, DNA-PK, Ku70 and Ku80. Metformin 13-22 RAD50 double strand break repair protein Homo sapiens 163-168