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Journal of Virology, April 2000, p. 3874-3880, Vol. 74, No. 8
School of Biology and Biochemistry, The
Queen's University of Belfast, Belfast BT9
7BL,1 and Neuropathology Laboratory,
Royal Group of Hospitals Trust, Belfast BT12
6Bl,2 Northern Ireland, United Kingdom
Received 20 October 1999/Accepted 9 December 1999
A recombinant measles virus which expresses enhanced green
fluorescent protein (MVeGFP) has been used to infect two astrocytoma cell lines (GCCM and U-251) to study the effect of virus infection on
the cytoskeleton. Indirect immunocytochemistry was used to demonstrate
the cellular localization of the cytoskeletal components. Enhanced
green fluorescent protein autofluorescence was used to identify measles
virus-infected cells. No alteration of the actin, tubulin, or vimentin
components of the cytoskeleton was observed in either cell type,
whereas a disruption of the glial-fibrillary-acidic protein filament
(GFAP) network was noted in MVeGFP-infected U-251 cells. The relative
amounts of GFAP present in infected and uninfected U-251 cells were
quantified by image analysis of data sets obtained by confocal
microscopy by using vimentin, another intermediate filament on which
MVeGFP has no effect, as a control.
0022-538X/00/$04.00+0
Copyright © 2000, American Society for Microbiology. All rights reserved.
Measles Virus-Induced Disruption of the
Glial-Fibrillary-Acidic Protein Cytoskeleton in an Astrocytoma Cell
Line (U-251)
*
Corresponding author. Mailing address: School of
Biology and Biochemistry, The Queen's University of Belfast, Medical
Biology Centre, 97 Lisburn Rd., Belfast BT9 7BL, Northern Ireland,
United Kingdom. Phone: 01232 272060. Fax: 01232 236505. E-mail:
p.duprex{at}qub.ac.uk.
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