Báo cáo y học: " Characterization of H5N1 influenza viruses isolated from humans in vitro" pptx

... basis of the pathogenicity in mammals, since H5N1 viruses isolated from humans in 1997 showed different virulence to mice [5-7]. Katz reported that 9 of 15 H5N1 viruses isolated from humans in Hong ... work is properly cited. Research Characterization of H5N1 influenza viruses isolated from humans in vitro Yong-Gang Li* 1,2 , Malinee Chittaganpi...

Ngày tải lên: 12/08/2014, 04:20

... indicate the difficulty in amplifying the sequences in these re- gions. In our study, we attempted to amplify each ex- tremity, but failed. Interestingly, phylogenetic analysis based on the NS1 ... further investi- gations in the future. In conclusion, we found a high prevalence of B19 infection in livers from patients with fulminant hepa- titis and biliary atresia. Interes...

Ngày tải lên: 26/10/2012, 10:03

... is under stringent regulation. Tyrosine phosphorylation is a central mechanism in the control of key signaling proteins involved in innate immunity. The role of protein tyrosine kinases (PTKs) has ... immunomodulatory molecules, carrageenan and LPS, in order to determine PTPH1 possible role in inflammatory response in vivo. Cytokine release, inflammatory pain and gene expressi...

Ngày tải lên: 11/08/2014, 03:20

... provide sustained bronchodilation that is largely independent of disease severity. Finally, it is instructive to place the findings of this analysis in the context of the GOLD classification of COPD ... The model included between-study (δ i )and within-study, between-visit (g ij ) variability on E max and was analysed using a Bayesian methodology. As the summary data used in this...

Ngày tải lên: 12/08/2014, 13:22

... immu- nodeficiency virus (SIV) infection in wild apes in Central Africa and allowed the tracing of the origins of human immunodeficiency virus type 1 (HIV-1) infection in humans, there is almost no information ... 3,460. In 2006, the animal suffered from another unidentified respiratory ill- ness (coughing/catarrh) between February and April, from a swelling in the eyelid...

Ngày tải lên: 13/08/2014, 01:20

... splicing apparatus. The inhibitory effect of erythromycin and Cl-tetracycline were not allevi- ated by Mg 2+ (Fig. 3). Kinetic analyses using increasing concentrations of erythromycin, Cl-tetracycline ... was reduced by 60% in the presence of 500 l M Cl-tetracycline and by 95% in t he presence of 500 l M erythromycin and streptomycin (Fig. 2B,C). Tetracycline at 500 l M inhibited...

Ngày tải lên: 21/02/2014, 15:20

... previously to reduce viral yield in vitro [1,25,27], but also viral infectivity [1,27]. However, in our study we do not observe inhibition of infection of CD4 + T-lym- phocytes. This may be explained ... performed in triplicate. G) Determination of TCID 50 /ml values of pas- saged viruses in the absence or presence of CQ. Viral infectivity of the viruses passaged in...

Ngày tải lên: 13/08/2014, 09:20

... attenuated vaccines against viruses with a a2,6 binding preference in young turkeys and in ovo inoculations. Lectin binding patterns are not indicative of virus binding patterns Glycan micro arrays have ... positive staining for bo th types of SA receptors was observed in the lungs of turkeys (Figure 2J, K), consistent withtheobservationofinflu- enza outbreaks in turkeys cause...

Ngày tải lên: 11/08/2014, 21:21

... genes of influenza A viruses were divided into 3 groups, namely, equine lineage, avian viruses isolated in the Eurasian region, and avian viruses isolated in North America [4]. The NA gene of environment/DT/Hunan/ 3-9/07 ... Science Foundation of China (30972623). Author details 1 State Key Laboratory of Virology, Wuhan Institute of Virology, Chinese Academy of Sci...

Ngày tải lên: 11/08/2014, 21:22

... Change in receptor-binding specificity of recent human influenza A viruses (H3N2): a single amino acid change in hemagglutinin altered its recognition of sialyloligosaccharides. Virology 2000, ... Generation of reassortant influenza vaccines by reverse genetics that allows utilization of a DIVA (Differentiating Infected from Vaccinated Animals) strategy for the control of...

Ngày tải lên: 12/08/2014, 01:22