Production of a monoclonal antibody that recognizes bovine stem cell factor (SCF) and its use in the detection and quantitation of native soluble bovine SCF in fetal bovine serum

Journal of Interferon & Cytokine Research : the Official Journal of the International Society for Interferon and Cytokine Research
Hirokazu HikonoMichiharu Sakurai

Abstract

Stem cell factor (SCF) is a pluritropic hematopoietic cytokine that acts predominantly on the proliferation and differentiation of hematopoietic progenitor cells. SCF has long been thought to be present in fetal bovine serum (FBS) as an endogenous factor that stimulates the growth of hematopoietic progenitor cells in FBS-supplemented cultures. To detect and quantitate bovine SCF in FBS, we produced a monoclonal antibody (mAb) by immunizing mice with recombinant soluble bovine SCF protein, which was expressed in insect cells by using a baculovirus system. Using the mAb, we purified native soluble bovine SCF from FBS by immunoaffinity chromatography. Western blot analysis revealed that the purified SCF protein had a molecular weight of 33 kDa. In addition, an enzyme-linked immunosorbent assay (ELISA) incorporating the mAb revealed that the levels of native soluble SCF in commercially available FBS were likely to be <100 pg/ml. These results suggest that the concentration of native soluble bovine SCF present in FBS may be insufficient to promote additive biologic effects on the growth of hematopoietic progenitor cells in FBS-supplemented cultures.

References

Jan 1, 1986·Methods in Enzymology·N J Hoogenraad, C J Wraight
Apr 1, 1995·The Journal of Veterinary Medical Science·E SasakiM Sakurai
Aug 11, 1994·Biochimica Et Biophysica Acta·J H ZhouM Sakurai
May 1, 1993·In Vitro Cellular & Developmental Biology. Animal·T R DavisH A Wood
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Feb 1, 1996·The Journal of Veterinary Medical Science·J H ZhouM Sakurai
Aug 7, 1999·Veterinary Immunology and Immunopathology·H HikonoM Sakurai
Apr 20, 2001·The Journal of Veterinary Medical Science·H HikonoE Momotani

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Citations

Feb 19, 2010·Histochemistry and Cell Biology·Nikoloz TsikoliaAlbert M Ricken
Nov 25, 2003·Toxicology in Vitro : an International Journal Published in Association with BIBRA·J van der ValkV Baumans
Jun 21, 2008·The Journal of Pathology·H StoopL H J Looijenga
Sep 22, 2010·Journal of Cellular Physiology·Konstantin KrasagakisAndroniki D Tosca

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