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Insulin/FGF-binding Ciliary Membrane Glycoprotein from Tetrahymena

Insulin/FGF-binding Ciliary Membrane Glycoprotein from Tetrahymena Triton X-100 extracted ciliary membrane protein from isolated cilia, prepared from the protozoon Tetrahymena thermophila, were fractionated by affinity chromatography on columns with covalently bound fibroblast growth factor (FGF), insulin, or concanavalin A (ConA), respectively. The eluted proteins were further analyzed by electrophoresis on sodium dodecyl sulfate polyacrylamide gels, isoelectric focusing, and by immunoblotting techniques using antibodies against the FGF receptor, platetelet derived growth factor (PDGF) receptor α-subunit, and insulin receptor β-subunit. The particular antibodies were chosen because the peptides PDGF, FGF, insulin, and ConA are chemoattractants in this organism and corresponding binding (receptor) proteins could be expected to be identified. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png The Journal of Membrane Biology Springer Journals

Insulin/FGF-binding Ciliary Membrane Glycoprotein from Tetrahymena

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References (17)

Publisher
Springer Journals
Copyright
Copyright © Inc. by 2001 Springer-Verlag New York
Subject
Life Sciences; Biochemistry, general; Human Physiology
ISSN
0022-2631
eISSN
1432-1424
DOI
10.1007/s0023200100064
Publisher site
See Article on Publisher Site

Abstract

Triton X-100 extracted ciliary membrane protein from isolated cilia, prepared from the protozoon Tetrahymena thermophila, were fractionated by affinity chromatography on columns with covalently bound fibroblast growth factor (FGF), insulin, or concanavalin A (ConA), respectively. The eluted proteins were further analyzed by electrophoresis on sodium dodecyl sulfate polyacrylamide gels, isoelectric focusing, and by immunoblotting techniques using antibodies against the FGF receptor, platetelet derived growth factor (PDGF) receptor α-subunit, and insulin receptor β-subunit. The particular antibodies were chosen because the peptides PDGF, FGF, insulin, and ConA are chemoattractants in this organism and corresponding binding (receptor) proteins could be expected to be identified.

Journal

The Journal of Membrane BiologySpringer Journals

Published: May 1, 2001

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