PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 2525211-4 1989 Using in situ hybridization with fluorescein-labeled probes, TCR alpha mRNA was found to be expressed in 14 of 18 samples and TCR beta mRNA in 7 of 16 samples. Fluorescein 33-44 T cell receptor alpha constant Homo sapiens 61-70 1402685-2 1992 Variants of Jurkat cells were previously transfected with TCR alpha and beta chains that bind fluorescein, yielding FL-TCR+ human T cells. Fluorescein 94-105 T cell receptor alpha constant Homo sapiens 58-67