PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 15378410-1 2004 In a previous research, we have shown that adequate levels of polyamines are required in transformed mouse fibroblasts for the correlated activations of MAPK subtypes (ERK and JNK) and caspases induced by etoposide and leading to apoptosis. Polyamines 62-72 mitogen-activated protein kinase 8 Mus musculus 176-179