title: Mannose receptor-mediated gene delivery into antigen presenting dendritic cells.
abstract: Dendritic cells are professional antigen presenting cells and are unique in their ability to prime naïve T cells. Gene modification of dendritic cells is of particular interest for immunotherapy of diseases where the immune system has failed or is aberrantly regulated, such as in cancer or autoimmune disease, respectively. Dendritic cells abundantly express mannose receptor and mannose receptor-related receptors, and receptor-mediated gene transfer via mannose receptor offers a versatile tool for targeted gene delivery into these cells. Accordingly, mannose polyethylenimine DNA transfer complexes were generated and used for gene delivery into dendritic cells. Mannose receptor belongs to the group of scavenger receptors that allow dendritic cells to take up pathogenic material, which is directed for degradation and MHC class II presentation. Therefore, a limiting step of transgene expression by mannose receptor-mediated gene delivery is endosomal degradation of DNA. Several strategies have been explored to overcome this limitation including the addition of endosomolytic components to DNA transfer complexes like adenovirus particles and influenza peptides. Here, we review the current understanding of mannose receptor-mediated gene delivery into dendritic cells and discuss strategies to identify appropriate endosomolytic agents to improve DNA transfer efficacy.
authors.affiliation: Max-Delbrück-Centre for Molecular Medicine, MDC, Robert-Rössle-Str. 10, D-13125 Berlin, Germany.
authors.forename: Sandra S
authors.initials: SS
authors.lastname: Diebold
authors.forename: Christian
authors.initials: C
authors.lastname: Plank
authors.forename: Matt
authors.initials: M
authors.lastname: Cotten
authors.forename: Ernst
authors.initials: E
authors.lastname: Wagner
authors.forename: Martin
authors.initials: M
authors.lastname: Zenke
mesh_terms: D000256:Adenoviridae; D000818:Animals; D000938:Antigen-Presenting Cells / Q000187:drug effects* / Q000276:immunology / Q000378:metabolism; D000941:Antigens / Q000187:drug effects / Q000378:metabolism*; D036022:Capsid Proteins / Q000378:metabolism / Q000494:pharmacology; D004247:DNA / Q000008:administration & dosage / Q000737:chemistry; D003713:Dendritic Cells / Q000187:drug effects* / Q000276:immunology / Q000378:metabolism; D016503:Drug Delivery Systems; D011992:Endosomes / Q000187:drug effects / Q000378:metabolism; D018014:Gene Transfer Techniques; D006801:Humans; D037181:Lectins, C-Type; D046911:Macromolecular Substances; D000090323:Mannose Receptor; D037241:Mannose-Binding Lectins; D011094:Polyethyleneimine / Q000378:metabolism / Q000494:pharmacology; D011956:Receptors, Cell Surface / Q000378:metabolism*
chemical_list: D000941:Antigens; D036022:Capsid Proteins; D037181:Lectins, C-Type; D046911:Macromolecular Substances; D000090323:Mannose Receptor; D037241:Mannose-Binding Lectins; D011956:Receptors, Cell Surface; D011094:Polyethyleneimine; D004247:DNA