Methods of delivering biologically active polypeptides and/or antigens by administering to a subject a non-invasive or non-pathogenic bacterium which expresses the one or more antigens or polypeptides. Also, nucleic acids, delivery systems, pharmaceutical formulations comprising such delivery systems...http://www.google.es/patents/US20010006642?utm_source=gb-gplus-sharePatente US20010006642 - DELIVERY OF BIOLOGICALLY ACTIVE POLYPEPTIDES
Número de solicitud: 09/060,878 Número de publicación: US 2001/0006642 A1 Fecha de presentación: 16 Abr 1998 Patente emitida: US6605286 ( Fecha de emisión 12 Ago 2003)
