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10.1111/j.1365-2672.2012.05402.x http://scihub22266oqcxt.onion/10.1111/j.1365-2672.2012.05402.x 22809111!7166995!22809111     free     free     free Deprecated: Implicit conversion from float 211.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534       J+Appl+Microbiol 2012 ; 113 (4): 767-78 Nephropedia Template TP {{tp|p=22809111|t=2012. Proportional mouse model for aerosol infection by influenza |pdf=|usr=}}{{22809111}} gab.com Text Proportional mouse model for aerosol infection by influenza JO: J Appl Microbiol http://www.kidney.de/pget.php?&tw=1&pmid=22809111 #FOAvip AIMS: The aim of this study was to demonstrate a prototype tool for measuring infectivity of an aerosolized human pathogen - influenza A/PR/8/34 (H1N1) virus - using a small-animal model in the Controlled Aerosol Test System (CATS). METHODS AND RESULTS: Intranasal inoculation of nonadapted H1N1 virus into C57BL, BALB/c and CD-1 mice caused infection in all three species. Respiratory exposure of CD-1 mice to the aerosolized virus at graduated doses was accomplished in a modified rodent exposure apparatus. Weight change was recorded for 7 days postexposure, and viral populations in lung tissue homogenates were measured post mortem by DNA amplification (qRT-PCR), direct fluorescence and microscopic evaluation of cytopathic effect. Plots of weight change and of PCR cycle threshold vs delivered dose were linear to threshold doses of ~40 TCID(50) and ~12 TCID(50) , respectively. CONCLUSIONS: MID(50) for inspired H1N1 aerosols in CD-1 mice is between 12 and 40 TCID(50) ; proportionality to dose of weight loss and viral populations makes the CD-1 mouse a useful model for measuring infectivity by inhalation. SIGNIFICANCE AND IMPACT OF THE STUDY: In the CATS, this mouse-virus model provides the first quantitative method to evaluate the ability of respiratory protective technologies to attenuate the infectivity of an inspired pathogenic aerosol. Twit Text FOAVip Proportional mouse model for aerosol infection by influenza ????J Appl Microbiol http://www.kidney.de/pget.php?&tw=1&pmid=22809111 #FOAvip Twit Text # Free Paper on # # # # # LINK http://www.kidney.de/pget.php?&tw=1&pmid=22809111 #FOAvip English Wikipedia <ref>{{Cite pmid|22809111}}</ref> Proportional mouse model for aerosol infection by influenza #MMPMID22809111 McDonald RS; Sambol AR; Heimbuch BK; Brown TL; Hinrichs SH; Wander JD J Appl Microbiol 2012[Oct]; 113 (4): 767-78 PMID22809111show ga AIMS: The aim of this study was to demonstrate a prototype tool for measuring infectivity of an aerosolized human pathogen - influenza A/PR/8/34 (H1N1) virus - using a small-animal model in the Controlled Aerosol Test System (CATS). METHODS AND RESULTS: Intranasal inoculation of nonadapted H1N1 virus into C57BL, BALB/c and CD-1 mice caused infection in all three species. Respiratory exposure of CD-1 mice to the aerosolized virus at graduated doses was accomplished in a modified rodent exposure apparatus. Weight change was recorded for 7 days postexposure, and viral populations in lung tissue homogenates were measured post mortem by DNA amplification (qRT-PCR), direct fluorescence and microscopic evaluation of cytopathic effect. Plots of weight change and of PCR cycle threshold vs delivered dose were linear to threshold doses of ~40 TCID(50) and ~12 TCID(50) , respectively. CONCLUSIONS: MID(50) for inspired H1N1 aerosols in CD-1 mice is between 12 and 40 TCID(50) ; proportionality to dose of weight loss and viral populations makes the CD-1 mouse a useful model for measuring infectivity by inhalation. SIGNIFICANCE AND IMPACT OF THE STUDY: In the CATS, this mouse-virus model provides the first quantitative method to evaluate the ability of respiratory protective technologies to attenuate the infectivity of an inspired pathogenic aerosol. |*Atmosphere Exposure Chambers[MESH] |*Disease Models, Animal[MESH] |*Inhalation Exposure[MESH] |Administration, Inhalation[MESH] |Administration, Intranasal[MESH] |Aerosols/*adverse effects[MESH] |Animals[MESH] |Female[MESH] |Influenza A Virus, H1N1 Subtype/*pathogenicity[MESH] |Lung/pathology/virology[MESH] |Mice[MESH] |Mice, Inbred BALB C[MESH]Proportional mouse model for aerosol infection by influenza (epmc).pdf DeepDyve Pubget Overpricing