Characterization of human interleukin-3 receptors on a multi-factor-dependent cell line
Journal Article
·
· Biochem. Biophys. Res. Commun.; (United States)
Recombinant human interleukin-3 (hIL-3) was radioiodinated by Bolton-Hunter method with maintenance of biological activity. Using /sup 125/I-hIL-3, hIL-3 receptors were characterized on a multi-factor-dependent cell line TF-1. Equilibrium binding studies revealed the existence of a single class of binding sites (667 +/- 306 sites/cell) with a Kd of 173 +/- 25 pM. Affinity labeling of TF-1 cells with /sup 125/I-IL-3 yielded two bands of 150 kDa and 85 kDa, implying molecular weights of 135 kDa and 70 kDa for the hIL-3 receptors.
- Research Organization:
- Univ. of Tokyo (Japan)
- OSTI ID:
- 5934344
- Journal Information:
- Biochem. Biophys. Res. Commun.; (United States), Journal Name: Biochem. Biophys. Res. Commun.; (United States) Vol. 161:1; ISSN BBRCA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
550201* -- Biochemistry-- Tracer Techniques
59 BASIC BIOLOGICAL SCIENCES
BETA DECAY RADIOISOTOPES
BIOCHEMICAL REACTION KINETICS
CHEMICAL COMPOSITION
ELECTRON CAPTURE RADIOISOTOPES
GROWTH FACTORS
HOURS LIVING RADIOISOTOPES
INTERMEDIATE MASS NUCLEI
IODINE 123
IODINE ISOTOPES
ISOTOPE APPLICATIONS
ISOTOPES
KINETICS
LYMPHOKINES
MEMBRANE PROTEINS
MITOGENS
MOLECULAR WEIGHT
NUCLEI
ODD-EVEN NUCLEI
ORGANIC COMPOUNDS
PROTEINS
RADIOASSAY
RADIOISOTOPES
REACTION KINETICS
RECEPTORS
TRACER TECHNIQUES
59 BASIC BIOLOGICAL SCIENCES
BETA DECAY RADIOISOTOPES
BIOCHEMICAL REACTION KINETICS
CHEMICAL COMPOSITION
ELECTRON CAPTURE RADIOISOTOPES
GROWTH FACTORS
HOURS LIVING RADIOISOTOPES
INTERMEDIATE MASS NUCLEI
IODINE 123
IODINE ISOTOPES
ISOTOPE APPLICATIONS
ISOTOPES
KINETICS
LYMPHOKINES
MEMBRANE PROTEINS
MITOGENS
MOLECULAR WEIGHT
NUCLEI
ODD-EVEN NUCLEI
ORGANIC COMPOUNDS
PROTEINS
RADIOASSAY
RADIOISOTOPES
REACTION KINETICS
RECEPTORS
TRACER TECHNIQUES