title: Genetically engineered nanocarriers for drug delivery.
abstract: Cytotoxicity, low water solubility, rapid clearance from circulation, and off-target side-effects are common drawbacks of conventional small-molecule drugs. To overcome these shortcomings, many multifunctional nanocarriers have been proposed to enhance drug delivery. In concept, multifunctional nanoparticles might carry multiple agents, control release rate, biodegrade, and utilize target-mediated drug delivery; however, the design of these particles presents many challenges at the stage of pharmaceutical development. An emerging solution to improve control over these particles is to turn to genetic engineering. Genetically engineered nanocarriers are precisely controlled in size and structure and can provide specific control over sites for chemical attachment of drugs. Genetically engineered drug carriers that assemble nanostructures including nanoparticles and nanofibers can be polymeric or non-polymeric. This review summarizes the recent development of applications in drug and gene delivery utilizing nanostructures of polymeric genetically engineered drug carriers such as elastin-like polypeptides, silk-like polypeptides, and silk-elastin-like protein polymers, and non-polymeric genetically engineered drug carriers such as vault proteins and viral proteins.
authors.affiliation: Department of Pharmacology and Pharmaceutical Sciences, University of Southern California, Los Angeles, CA, USA.
authors.forename: Pu
authors.initials: P
authors.lastname: Shi
authors.affiliation: Department of Pharmacology and Pharmaceutical Sciences, University of Southern California, Los Angeles, CA, USA.
authors.forename: Joshua A
authors.initials: JA
authors.lastname: Gustafson
authors.affiliation: Department of Pharmacology and Pharmaceutical Sciences, University of Southern California, Los Angeles, CA, USA.
authors.forename: J Andrew
authors.initials: JA
authors.lastname: MacKay
mesh_terms: D000818:Animals; D018014:Gene Transfer Techniques; D005818:Genetic Engineering / Q000379:methods*; D015316:Genetic Therapy / Q000379:methods*; D006801:Humans; D058990:Molecular Targeted Therapy / Q000379:methods*; D053769:Nanocapsules / Q000737:chemistry* / Q000627:therapeutic use*; D011994:Recombinant Proteins / Q000627:therapeutic use*
chemical_list: D053769:Nanocapsules; D011994:Recombinant Proteins
keywords: GE drug carriers; gene delivery; non-polymeric drug carrier; polymeric drug carrier
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