Wrap-and-Strip Technology of Protein–Polyelectrolyte Complex for Biomedical Application

Author(s): Kentaro Shiraki, Takaaki Kurinomaru, Shunsuke Tomita

Journal Name: Current Medicinal Chemistry

Volume 23 , Issue 3 , 2016

  Journal Home
Translate in Chinese
Become EABM
Become Reviewer
Call for Editor


A polyelectrolyte is a polymer composed of repeating units of an electrolyte group that enables reversible complex formation with proteins in aqueous solutions. This review introduces “wrap-and-strip” technology of protein–polyelectrolyte complex (PPC) by noncovalent interaction. Storage: protein is stabilized against physical and chemical stresses. Enrichment: precipitation through PPC can be used as an enrichment method without irreversible unfolding. Catalytic activity switch: a complementary charged pair of polyelectrolytes functions as a reversible enzyme activity switch. Hyperactivation: a specific combination of a polyelectrolyte and substrate enhances enzyme activity by one order of magnitude compared with an enzyme alone. Stabilization: PPC increases protein stability against chemical and physical stresses, such as covalently modified polyethylene glycosylated protein. Simple PPC-based technology can expand the applicable fields of soluble proteins in aqueous solutions.

Keywords: Antibody, enzyme, enrichment, polyelectrolyte, enzyme activity, aggregation, precipitation.

Rights & PermissionsPrintExport Cite as

Article Details

Year: 2016
Published on: 22 January, 2016
Page: [276 - 289]
Pages: 14
DOI: 10.2174/0929867323666151127201126
Price: $65

Article Metrics

PDF: 24
PRC: 1