title: Cationic and tissue-specific protein transduction domains identification, characterization, and therapeutic application.
abstract: Protein transduction domains (PTDs) are small peptides able to transverse plasma membranes, able to carry proteins, nucleic acid, and viral particles into cells. PTDs can be broadly classified into three types; cationic, hydrophobic, and cell-type specific. The cationic PTDs, comprised of arginines, lysines, and ornithines, and hydrophobic PTDs can efficiently transduce a variety of cell types in culture and in vivo. The tissue-specific transduction domains, identified by screening of peptide display phage libraries for peptides able to confer internalization, have more restricted transduction properties. Here we provide a review of PTDs, focusing on methods for identifying and characterizing both cationic and tissue-specific transduction peptides. In particular, we describe the use of screening peptide phage display libraries to identify tissue-specific transduction peptides.
authors.affiliation: Department of Microbiology and Molecular Genetics, 450 Technology Drive, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, USA
authors.forename: Maliha
authors.initials: M
authors.lastname: Zahid
authors.forename: Xiaoli
authors.initials: X
authors.lastname: Lu
authors.forename: Zhibao
authors.initials: Z
authors.lastname: Mi
authors.forename: Paul D
authors.initials: PD
authors.lastname: Robbins
mesh_terms: D000595:Amino Acid Sequence; D002462:Cell Membrane / Q000378:metabolism; D002478:Cells, Cultured; D016503:Drug Delivery Systems; D008969:Molecular Sequence Data; D019151:Peptide Library; D010455:Peptides / Q000378:metabolism*; D021381:Protein Transport
chemical_list: D019151:Peptide Library; D010455:Peptides