PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 34737749-8 2021 In both patients and controls, MAIT cells expressed high levels of the immune checkpoint molecule PD-1 at rest, while upregulation of PD-1 in response to the MR-1 ligand 5-amino-6D-ribitylaminouracil (5-A-RU) was greater in patients. 5-amino-6-D-ribitylaminouracil 170-199 spermatogenesis associated 2 Homo sapiens 134-138 34737749-8 2021 In both patients and controls, MAIT cells expressed high levels of the immune checkpoint molecule PD-1 at rest, while upregulation of PD-1 in response to the MR-1 ligand 5-amino-6D-ribitylaminouracil (5-A-RU) was greater in patients. 5-amino-6-D-ribitylaminouracil 201-207 spermatogenesis associated 2 Homo sapiens 134-138