Avian stem cell factor (SCF): production and characterization of the recombinant His-tagged SCF of chicken and its neutralizing antibody

Autor: Bartůnĕk P, Boehmelt G, Beug H, Dvorák M, Stengl G, Martin Zenke, Martin Fh, Pichlíková L
Rok vydání: 1996
Předmět:
Zdroj: Cytokine. 8(1)
ISSN: 1043-4666
Popis: Recombinant chicken stem cell factor (SCF) was produced in bacteria as a histidine-tagged protein (His delta SCF) and purified by affinity chromatography on an Ni(2+)-NTA agarose column. His delta SCF is devoid of signal peptide and transmembrane domains and therefore mimics a soluble form of SCF. We demonstrate that the factor is biologically fully active in supporting sustained proliferation of SCF-dependent red blood progenitor cells of chicken in vitro. Polyclonal SCF-specific antibodies were raised in rabbits and shown to display potent SCF-neutralizing activity. Thus, recombinant chicken His delta SCF together with the SCF-specific antibody provide valuable tools for studying the role of SCF and c-kit receptor in development, growth and differentiation of avian haematopoietic cells.
Databáze: OpenAIRE