PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 1722318-4 1991 EpoR mRNA (by RNase protection analysis) and EpoR protein (by specific antibody immunoprecipitation of metabolically labeled EpoR protein) were detectable not only in 32D and 32D Epo (an Epo-dependent subclone) but also in 32D GM, a subclone dependent for growth on granulocyte/macrophage colony-stimulating factor. gm 227-229 erythropoietin Mus musculus 0-3 7926812-2 1994 32D GM cells were previously shown to express significant levels of the Epo receptor mRNA and protein which was retained intracellularly and did not appear on the cell surface. gm 4-6 erythropoietin Mus musculus 72-75