Please use this identifier to cite or link to this item: http://hdl.handle.net/2440/34057
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Type: Journal article
Title: Lentivirus administration to rat muscle provides efficient sustained expression of erythropoietin
Author: Seppen, J.
Barry, S.
Harder, B.
Osborne, W.
Citation: Blood, 2001; 98(3):594-596
Publisher: Amer Soc Hematology
Issue Date: 2001
ISSN: 0006-4971
1528-0020
Statement of
Responsibility: 
Jurgen Seppen, Simon C. Barry, Brandon Harder, and William R. A. Osborne
Abstract: A lentivirus pseudotyped with vesicular stomatitis virus G protein (VSV-G) encoding rat erythropoietin (EPO) complementary DNA was administered to rat skeletal muscle and red blood cell production was serially monitored. After a single intramuscular injection hematocrit values increased and reached a plateau at about 35 days and were sustained for at least 14 months. Virus doses of 6 x 10(7) infectious units and 6 x 10(6) infectious units produced significantly increased mean hematocrit values of 68.5% +/- 2.1% (P <.001, n = 4) and 52.7% +/- 1.3% (P <.001, n = 3), respectively, over values of control animals receiving normal saline (46.2% +/- 1.5%, n = 2). A polymerase chain reaction (PCR) assay for vector sequences in genomic DNA showed muscle tissue at the site of injection was positive and undetectable in liver, spleen, kidney, and lung. The intramuscular administration of lentivirus provided a dose-responsive, highly efficient and sustained EPO gene delivery, suggesting these vectors may be applied generally to the systemic delivery of proteins such as hormones and clotting factors. (Blood. 2001;98:594-596)
Keywords: Animals; Rats, Inbred F344; Rats; Lentivirus; Hemoglobins; Erythropoietin; Leukocyte Count; Platelet Count; Hematocrit; Injections, Intramuscular; Genetic Vectors; Time Factors; Genetic Therapy
Rights: © 2001 by The American Society of Hematology.
RMID: 0020063896
DOI: 10.1182/blood.V98.3.594
Published version: http://bloodjournal.hematologylibrary.org/cgi/content/abstract/98/3/594
Appears in Collections:Paediatrics publications

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