Journal
JOURNAL OF GENERAL VIROLOGY
Volume 81, Issue -, Pages 2605-2609Publisher
SOC GENERAL MICROBIOLOGY
DOI: 10.1099/0022-1317-81-11-2605
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Funding
- NCI NIH HHS [R01CA83821, R01CA74242] Funding Source: Medline
- NHLBI NIH HHS [R01HL50255] Funding Source: Medline
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Persistence of adenovirus type 5 in blood has implications for the pathogenicity of the virus infection and for the use of this virus in oncolysis and gene therapy. In this study, the kinetics of adenovirus clearance from blood in mice has been evaluated. After a single inoculation of concentrated virus into the vena cava, virus half-life was less than 2 min. Depletion of Kupffer cells (KC) resulted in increased viraemia. After tail-vein injection, virus and latex beads co-localized within KIC. An important factor in clearance by KC is the negative charge of particles. Deletion of the hexon hypervariable region 1 acidic stretch decreased the negative charge of the virion but it did not increase blood persistence. Coating with PEG ('PEGylation') reduced the clearance rate but also reduced infectivity.
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