Visfatin (pre-B-cell colony-enhancing factor 1, PBEF1) is one of adipokines and appears to be preferentially produced by visceral adipose tissue and has insulin-mimetic actions.
References
Sethi JK, Vidal-Puig A. Visfatin: the missing link between intra-abdominal obesity and diabetes? Trends Mol Med. 2005 Aug;11(8):344-7. PMID: #16005682#