PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 2475248-10 1989 The result proved that CCSK expressed cytokeratin 8 (Mr 52,000) and 19 (Mr 40,000) as well as nephroblastic Wilms" tumor and strongly indicated that there was a close relationship between CCSK and nephroblastic Wilms" tumor. ccsk 23-27 keratin 8 Homo sapiens 38-51