PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 34793567-10 2021 Lastly, and in parallel to the TREG-mediated suppression of TEFF proliferation, we observed the specific modulation of the surface expression of PD-L1 (but not other markers) on activated TEFFs. treg 31-35 CD274 molecule Homo sapiens 145-150