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Vestn Ross Akad Med Nauk ; (2): 12-6, 2008.
Article in Russian | MEDLINE | ID: mdl-18368764

ABSTRACT

The levels of susceptibility to influenza virus A/Aichi/2/68 H3N2 and the virus yield were determined using primary cells of the trachea and lungs of CD-1 mice and Wistar rats, and for 3 sets of cells obtained from primary lung cells of the both species by centrifugation in the gradient of density and by sedimentation on a surface. The values of ID50 virus dose for 10(6) cells and virus yield per 1 infected cell determined for primary mice cells were 4.0+/-0.47 and 3.2+/-0.27 IgEID50 (lung cells), 3.8+/-0.17 and 3.3+/-0.20 IgEID50 (tracheal cells), and those determined for primary rat cells were 4.0+/-0.35 and 2.1+/-0.24 IgEID50 (lung cells), 3.7+/-0.27 and 2.2+/-0.46 IgEID50 (tracheal cells). The values of ID50 and yield measured for mixtures of cells obtained from primary lung cells by centrifugation in gradient of density and by sedimentation on a surface differed insignificantly (p = 0.05) from the values of the corresponding parameters measured for lung and tracheal cells for both rats and mice. The analysis of data on the variation of the concentrations of different cell types in the experimental cell mixtures shows that type 1 and 2 alveolocytes possess significantly lower (p = 0.05) susceptibility and productivity vs. ciliated cells of the both species. The investigation was conducted within the frame of the ISTC/DARPA#450p project.


Subject(s)
Influenza A Virus, H3N2 Subtype/pathogenicity , Orthomyxoviridae Infections/pathology , Pulmonary Alveoli/pathology , Respiratory Tract Infections/pathology , Animals , Cell Count , Disease Models, Animal , Disease Susceptibility , Female , Influenza A Virus, H3N2 Subtype/isolation & purification , Mice , Orthomyxoviridae Infections/virology , Pulmonary Alveoli/virology , Rats , Rats, Wistar , Respiratory Tract Infections/virology
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