PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 14988393-6 2004 Similar decreases in SK1 protein were observed with other DNA damaging agents such as doxorubicin, etoposide, and gamma-irradiation. Etoposide 99-108 sphingosine kinase 1 Homo sapiens 21-24