Comparison of two eukaryotic systems for the expression of VP6 protein of rotavirus specie A: transient gene expression in HEK293-T cells and insect cell-baculovirus system

Biotechnol Lett. 2012 Sep;34(9):1623-7. doi: 10.1007/s10529-012-0946-z. Epub 2012 May 11.

Abstract

The VP6 protein of rotavirus A (RVA) is a target antigen used for diagnostic assays and also for the development of new RVA vaccines. We have compared the expression of VP6 protein in human embryonic kidney (HEK293-T) cells with results obtained using a well-established insect cell-baculovirus system. The recombinant VP6 (rVP6) expressed in HEK293-T cells did not present degradation and also retained the ability to form trimers. In the insect cell-baculovirus system, rVP6 was expressed at higher levels and with protein degradation as well as partial loss of ability to form trimers was observed. Therefore, HEK293-T cells represent a less laborious alternative system than insect cells for expression of rVP6 from human RVA.

Publication types

  • Comparative Study
  • Research Support, Non-U.S. Gov't

MeSH terms

  • Animals
  • Antigens, Viral / biosynthesis*
  • Antigens, Viral / genetics
  • Antigens, Viral / isolation & purification*
  • Baculoviridae / genetics
  • Biotechnology / methods*
  • Capsid Proteins / biosynthesis*
  • Capsid Proteins / genetics
  • Capsid Proteins / isolation & purification*
  • Cell Line
  • Gene Expression*
  • Genetic Vectors
  • HEK293 Cells
  • Humans
  • Insecta
  • Proteolysis
  • Recombinant Proteins / biosynthesis
  • Recombinant Proteins / genetics
  • Recombinant Proteins / isolation & purification
  • Rotavirus / genetics

Substances

  • Antigens, Viral
  • Capsid Proteins
  • Recombinant Proteins
  • VP6 protein, Rotavirus