PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 32878480-4 2020 To date, no study has examined whether an increased fraction of inspired oxygen (FiO2) may affect the expression of SARS-CoV-2 entry receptors and co-receptors, including ACE2 and the transmembrane serine proteases TMPRSS1, TMPRSS2, and TMPRSS11D. fio2 81-85 angiotensin converting enzyme 2 Homo sapiens 171-175 35229496-8 2022 Japanese patients with anti-ACE2 IgM had significantly worse oxygenation, as defined by a lower partial pressure of oxygen (PaO2)/fraction of inspired oxygen (FiO2) ratio (233 vs 390, P = 0.021), and a higher alveolar-arterial oxygenation gradient (91 vs 23 mm Hg, P = 0.024) than the IgM-negative group. fio2 159-163 angiotensin converting enzyme 2 Homo sapiens 28-32