PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 1431123-6 1992 These cell mixing experiments revealed that cLC are the major source of the IL-6 bioactivity, whereas IL-1, GM-CSF, and TNF-alpha are predominantly generated by cKC. CKC 161-164 interleukin 1 complex Mus musculus 102-106