title: Parameters influencing the stealthiness of colloidal drug delivery systems.
abstract: Over the last few decades, colloidal drug delivery systems (CDDS) such as nano-structures have been developed in order to improve the efficiency and the specificity of drug action. Their small size permits them to be injected intravenously in order to reach target tissues. However, it is known that they can be rapidly removed from blood circulation by the immune system. CDDS are removed via the complement system and via the cells of the mononuclear phagocyte system (MPS), after their recognition by opsonins and/or receptors present at the cell surface. This recognition is dependent on the physicochemical characteristics of the CDDS. In this study, we will focus on parameters influencing the interactions of opsonins and the macrophage plasma membrane with the surface of CDDS, whereby parameters of the polymer coating become necessary to provide good protection.
authors.affiliation: INSERM U646, Ingénierie de la Vectorisation Particulaire, Université d'Angers, Immeuble IBT, 10, rue André Boquel, 49100 Angers, France.
authors.forename: Arnaud
authors.initials: A
authors.lastname: Vonarbourg
authors.forename: Catherine
authors.initials: C
authors.lastname: Passirani
authors.forename: Patrick
authors.initials: P
authors.lastname: Saulnier
authors.forename: Jean-Pierre
authors.initials: JP
authors.lastname: Benoit
mesh_terms: D000818:Animals; D003102:Colloids / Q000008:administration & dosage* / Q000493:pharmacokinetics; D003165:Complement System Proteins / Q000502:physiology; D016503:Drug Delivery Systems; D006801:Humans; D008081:Liposomes / Q000008:administration & dosage / Q000493:pharmacokinetics; D008264:Macrophages / Q000502:physiology; D049329:Nanostructures
chemical_list: D003102:Colloids; D008081:Liposomes; D003165:Complement System Proteins