The present invention discloses fusion proteins comprising transferrin, lactoferrin or melanotransferrin fused to glucagon-like peptide 1 (GLP-1). In one embodiment of the invention, the fusion protein displays increased serum half-life as compared to a GLP-1 peptide in an unfused state. The invention...http://www.google.es/patents/US7176278?utm_source=gb-gplus-sharePatente US7176278 - Modified transferrin fusion proteins
