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January 24, 2010 | History

Molecular signals and GLUT4 dynamics associated with glucose transport into skeletal muscle 1 edition

Molecular signals and GLUT4 dynamics associated with glucose transport ...
Nadeeja T. Wijesekara

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Molecular signals and GLUT4 dynamics associated with glucose transport into skeletal muscle.

Published 2005 .
Written in English.

About the Book

The molecular signals and glucose transporter-4 (GLUT4) dynamics associated with exercise/contraction-stimulated glucose transport into skeletal muscle are not completely understood. The trigger to muscle contraction is membrane depolarization. Therefore, we explored the molecular mechanisms and GLUT4 traffic properties participating in K+ depolarization-stimulated glucose transport using L6-GLUT4myc cells. We observed that Ca2+ chelators and inhibitors to conventional PKC prevented K+ depolarization-induced effects. We further observed that depolarization largely reduces GLUT4 internalization. Lack of a contractile apparatus in L6-GLUT4myc cells requires us to study contraction-mediated glucose transport in intact skeletal muscle. The impasse is the lack of an accurate method for measuring surface GLUT4 in mature tissue. Therefore, we attempted to establish a biochemical assay using transgenic mice expressing GLUT4myc in skeletal muscle. Although the proposed carry-over assay efficiently detected GLUT4 translocation in L6-GLUT4myc cells, further modifications are required before insulin-stimulated GLUT4 translocation can be successfully measured in isolated GLUT4myc skeletal muscle.

Edition Notes

Source: Masters Abstracts International, Volume: 44-02, page: 0737.

Thesis (M.Sc.)--University of Toronto, 2005.

Electronic version licensed for access by U. of T. users.

GERSTEIN MICROTEXT copy on microfiche (2 microfiches).

The Physical Object

121 leaves.
Number of pages

ID Numbers

Open Library

History Created December 11, 2009 · 2 revisions Download catalog record: RDF / JSON

January 24, 2010 Edited by WorkBot add more information to works
December 11, 2009 Created by WorkBot add works page