Purification of membrane receptors with peptide-carrying affinity latex particles

Y. Inomata, Y. Kasuya, Keiji Fujimoto, H. Handa, H. Kawaguchi

Research output: Contribution to journalArticle

16 Citations (Scopus)

Abstract

We developed affinity particles and a purification method for specific proteins using batchwise operation. In this study, affinity particles carrying Gly-Arg-Gly-Asp-Ser peptides were employed for the purification of receptor proteins from octylglucoside extracts of human platelets. The molecular masses of the purified proteins were 116 118 kD or 90 133 kD as determined by sodium dodecyl sulfate-polyacrylamide gel electrophoresis under reducing or non-reducing conditions, respectively. The affinity between the peptides on the particles and these proteins depended on peptide sequences, divalent cations, and temperature. Western blotting with monoclonal anti-human platelet GP IIIa antibody indicated that the proteins were GP IIb/IIIa. Thus, it was concluded that efficient and quick purification is feasible using the affinity particles.

Original languageEnglish
Pages (from-to)231-241
Number of pages11
JournalColloids and Surfaces B: Biointerfaces
Volume4
Issue number4
DOIs
Publication statusPublished - 1995 May 30

Fingerprint

Peptide Receptors
Latex
latex
Latexes
Microspheres
purification
Peptides
Particles (particulate matter)
peptides
Purification
affinity
membranes
proteins
Proteins
Membranes
Platelets
platelets
glycyl-arginyl-glycyl-aspartyl-serine
Blood Platelets
Platelet Membrane Glycoprotein IIb

Keywords

  • Affinity particle
  • Glycoprotein IIb/IIIa
  • GRGDS
  • Purification
  • Spacer-particle

ASJC Scopus subject areas

  • Biotechnology
  • Colloid and Surface Chemistry
  • Physical and Theoretical Chemistry
  • Surfaces and Interfaces

Cite this

Purification of membrane receptors with peptide-carrying affinity latex particles. / Inomata, Y.; Kasuya, Y.; Fujimoto, Keiji; Handa, H.; Kawaguchi, H.

In: Colloids and Surfaces B: Biointerfaces, Vol. 4, No. 4, 30.05.1995, p. 231-241.

Research output: Contribution to journalArticle

Inomata, Y. ; Kasuya, Y. ; Fujimoto, Keiji ; Handa, H. ; Kawaguchi, H. / Purification of membrane receptors with peptide-carrying affinity latex particles. In: Colloids and Surfaces B: Biointerfaces. 1995 ; Vol. 4, No. 4. pp. 231-241.
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