Preptin, an osteogenic peptide product of the pancreatic beta-cell, corresponds to Asp69-Leu102 of pro-IGF-II[1].
References
[1] J Cornish, et al. Preptin, another peptide product of the pancreatic beta-cell, is osteogenic in vitro and in vivo. Am J Physiol Endocrinol Metab. 2007 Jan;292(1):E117-22. DOI:10.1152/ajpendo.00642.2005
