PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 17534577-5 2007 RESULTS: In 61 samples, low levels of TS, GARFT, DHFR, and mrp4 gene expression significantly correlated with chemosensitivity to pemetrexed. Pemetrexed 130-140 dihydrofolate reductase Homo sapiens 49-53