PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 25503558-4 2015 Here, we report that after systemic injection of tamoxifen, the vast majority of Pax7-expressing cells remain quiescent despite mutation of p53 and Kras. Tamoxifen 49-58 tumor protein p53 Homo sapiens 140-143