PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 21484571-2 2011 First identified in humans as a cytokine cytokine pre-B-cell colony enhancing factor pre-B cell colony enhancing factor (PBEF PBEF ) and subsequently described as an insulin-mimetic hormone visfatin visfatin , Nampt has recently excited the scientific interest of researchers from diverse fields, including NAD biology, metabolic regulation, and inflammation. NAD 307-310 insulin Homo sapiens 166-173