PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 21054916-7 2010 Mutations in hepcidin or its upstream regulators (HFE, TFR2, HFE2 and BMP6) lead to reduced or absent hepcidin expression and a concomitant increase in iron absorption. Iron 152-156 transferrin receptor 2 Homo sapiens 55-59