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Pharmaceutical Research

, Volume 19, Issue 5, pp 569–577 | Cite as

Pharmaceutical Strategies Utilizing Recombinant Human Serum Albumin

  • Victor Tuan Giam Chuang
  • Ulrich Kragh-Hansen
  • Masaki Otagiri
Article

Abstract

Gene manipulation techniques open up the possibility of making recombinant human serum albumin (rHSA) or mutants with desirable therapeutic properties and for protein fusion products. rHSA can serve as a carrier in synthetic heme protein, thus reversibly carrying oxygen. Myristoylation of insulin results in a prolonged half-life because of self aggregation and increased albumin binding. Preferential albumin uptake by tumor cells serves as the basis for albumin-anticancer drug conjugate formulation. Furthermore, drug targeting can be achieved by incorporating drugs into albumin microspheres whereas liver targeting can be achieved by conjugating drug with galactosylated or mannosylated albumin. Microspheres and nanoparticles of different sizes can, with or without drugs and/or radioisotopes, be used for drug delivery or diagnostic purposes. In vivo implantation of albumin fusion protein expressing cells encapsulated in HSA-alginate coated beads showed promising results compared to organoids in rats. Chimeric peptide strategy with cationized albumin as the transport can deliver drugs via receptor mediated transcytosis through the blood brain barrier. Gene bearing, albumin microbubbles containing ultrasound contrast agents can non-invasively deliver gene after destruction by ultrasound. Various site-directed mutants of HSA can be tailor made depending on the application required.

recombinant albumin drug targeting albumin fusion gene delivery site-directed mutant pharmaceutical applications 

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Copyright information

© Plenum Publishing Corporation 2002

Authors and Affiliations

  • Victor Tuan Giam Chuang
    • 1
  • Ulrich Kragh-Hansen
    • 2
  • Masaki Otagiri
    • 1
  1. 1.Faculty of Pharmaceutical SciencesKumamoto UniversityKumamotoJapan
  2. 2.Department of Medical BiochemistryUniversity of AarhusAarhus CDenmark

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