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Journal of Virology, August 1999, p. 7031-7034, Vol. 73, No. 8
0022-538X/99/$04.00+0
Copyright © 1999, American Society for Microbiology. All rights reserved.
E4ORF3 Requirement for Achieving Long-Term
Transgene Expression from the Cytomegalovirus Promoter in
Adenovirus Vectors
Donna
Armentano,1,*
Michael P.
Smith,1
Cathleen C.
Sookdeo,1
Joseph
Zabner,2
Michael A.
Perricone,1
Judith A.
St.
George,1
Samuel C.
Wadsworth,1 and
Richard J.
Gregory1
Genzyme Corporation, Framingham,
Massachusetts 01701-9322,1 and Howard
Hughes Medical Institute, College of Medicine, University of Iowa,
Iowa City, Iowa 522422
Received 19 March 1999/Accepted 21 April 1999
Analysis of transgene expression under the control of the
cytomegalovirus (CMV) promoter from adenovirus vectors in which the E4
region was modified indicated that E4ORF3 is required for long-term
expression in the murine lung. CMV promoter truncation led to the
persistence of expression in the absence of E4, thus eliminating the
ORF3 requirement.
*
Corresponding author. Mailing address: Genzyme
Corporation, 31 New York Ave., Framingham, MA 01701-9322. Phone: (508)
872-8400, ext. 2402. Fax: (508) 872-4091. E-mail:
darmentano{at}genzyme.com.
Journal of Virology, August 1999, p. 7031-7034, Vol. 73, No. 8
0022-538X/99/$04.00+0
Copyright © 1999, American Society for Microbiology. All rights reserved.
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