Expression and characterization of recombinant human angiotensinogen in a heterologous eukaryotic cell line

Lei Wei, Isabelle Gaillard, Pierre Corvol, Eric Clauser

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

Transfection of Chinese hamster ovary cells with an expression plasmid containing a full length human angiotensinogen cDNA has provided cell lines that secrete recombinant angiotensinogen in large quantities. This angiotensinogen is immunologically identical to plasma angiotensinogen and can be cleaved by human kidney renin (EC 3.4.23.15.). The peptide liberated by renin cleavage is immunologically identical to standard angiotensin I and shows a retention time on isocratic reversed-phase high-pressure liquid chromatography identical to that of standard angiotensin I. The heterogeneity of recombinant angiotensinogen on sodium dodecyl sulfate-polyacrylamide gel electrophoresis differs from that of plasma angiotensinogen. Treatment with endoglycosidases demonstrated that this difference is restricted to that of N-glycans and that N-glycans correspond to the quasi-totality of the carbohydrate content of both recombinant and plasma angiotensinogens. The development of a system capable of expressing human angiotensinogen cDNA in mammalian cells and the ability to obtain the corresponding angiotensinogen in large quantities will allow new studies on structure-function relationships of this protein.

Original languageEnglish (US)
Pages (from-to)1103-1110
Number of pages8
JournalBiochemical and Biophysical Research Communications
Volume156
Issue number3
DOIs
StatePublished - Nov 15 1988
Externally publishedYes

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Angiotensinogen
Eukaryotic Cells
Cells
Cell Line
Renin
Angiotensin I
Plasmas
Polysaccharides
Complementary DNA
High pressure liquid chromatography
Glycoside Hydrolases
Reverse-Phase Chromatography
Cricetulus
Electrophoresis
Sodium Dodecyl Sulfate
Transfection
Polyacrylamide Gel Electrophoresis
Ovary
Plasmids
High Pressure Liquid Chromatography

ASJC Scopus subject areas

  • Biochemistry
  • Biophysics
  • Molecular Biology

Cite this

Expression and characterization of recombinant human angiotensinogen in a heterologous eukaryotic cell line. / Wei, Lei; Gaillard, Isabelle; Corvol, Pierre; Clauser, Eric.

In: Biochemical and Biophysical Research Communications, Vol. 156, No. 3, 15.11.1988, p. 1103-1110.

Research output: Contribution to journalArticle

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