PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 34452207-1 2021 Hypoxia is a complex microenvironmental condition known to regulate choline kinase alpha (CHKA) activity and choline transport through transcription factor hypoxia-inducible factor-1alpha (HIF-1alpha) and, therefore, may confound the uptake of choline radiotracer (18F)fluoromethyl-(1,2-2H4)-choline ((18F)-D4-FCH). Choline 244-251 choline kinase alpha Homo sapiens 68-88