Harada Y, et al. Comparison of suspension MDCK cells, adherent MDCK cells, and LLC-MK2 cells for selective isolation of influenza viruses to be used as vaccine seeds. Influenza Other Respir Viruses. 2019 Oct 25.. Abstract
submitted by kickingbird at Oct, 29, 2019 from Influenza Other Respir Viruses. 2019 Oct 25. (via https://onlinelibrary.wiley.com/doi/full/10.1111/irv.12694)
BACKGROUND: Cell-based influenza vaccines can solve the problem of the frequent occurrence of egg adaptation-associated antigenic changes observed in egg-based vaccines. Seed viruses for cell-based vaccines ... Matsuzawa Y, et al. Antigenic Change in Human Influenza A(H2N2) Viruses Detected by Using Human Plasma from Aged and Younger Adult Individuals. Viruses. 2019 Oct 23;11(11).. Abstract
submitted by kickingbird at Oct, 29, 2019 from Viruses. 2019 Oct 23;11(11). (via https://www.mdpi.com/1999-4915/11/11/978)
Human influenza A(H2N2) viruses emerged in 1957 and were replaced by A(H3N2) viruses in 1968. The antigenicity of human H2N2 viruses has been tested by using ferret antisera or mouse and human monoclonal ... Belser JA, et al. A guide for the use of the ferret model for influenza virus infection. Am J Pathol. 2019 Oct 22.. Abstract
submitted by kickingbird at Oct, 29, 2019 from Am J Pathol. 2019 Oct 22. (via https://www.ncbi.nlm.nih.gov/pubmed/31654637)
As influenza viruses continue to jump species barriers to cause human infection, assessments of disease severity and viral replication kinetics in vivo provide crucial information for public health professionals. ... Lee S, et al. Influenza restriction factor MxA functions as inflammasome sensor in the respiratory epithelium. Sci Immunol. 2019 Oct 25;4(40).. Abstract
submitted by kickingbird at Oct, 29, 2019 from Sci Immunol. 2019 Oct 25;4(40). (via https://immunology.sciencemag.org/content/4/40/eaau4643)
The respiratory epithelium is exposed to the environment and initiates inflammatory responses to exclude pathogens. Influenza A virus (IAV) infection triggers inflammatory responses in the respiratory ... Toots M, et al. Characterization of orally efficacious influenza drug with high resistance barrier in ferrets and human airway epithelia. Sci Transl Med. 2019 Oct 23;11(515).. Abstract
submitted by kickingbird at Oct, 27, 2019 from Sci Transl Med. 2019 Oct 23;11(515). (via https://stm.sciencemag.org/content/11/515/eaax5866)
Influenza viruses constitute a major health threat and economic burden globally, frequently exacerbated by preexisting or rapidly emerging resistance to antiviral therapeutics. To address the unmet need ... Liu L, Zhang Y, Cui P, Wang C, Zeng X, Deng G. Development of a duplex TaqMan real-time RT-PCR assay for simultaneous detection of newly emerged H5N6 influenza viruses. Virol J. 2019 Oct 22;16(1):119. Abstract
submitted by kickingbird at Oct, 27, 2019 from Virol J. 2019 Oct 22;16(1):119 (via https://www.ncbi.nlm.nih.gov/pubmed/31640801)
BACKGROUND: In 2017-2018, a new highly pathogenic H5N6 avian influenza virus (AIV) variant appeared in poultry and wild birds in Asian and European countries and caused multiple outbreaks. These variant ... Strohmeier S, Amanat F, Krammer F. Cross-Reactive Antibodies Binding to the Influenza Virus Subtype H11 Hemagglutinin. Pathogens. 2019 Oct 21;8(4).. Abstract
submitted by kickingbird at Oct, 27, 2019 from Pathogens. 2019 Oct 21;8(4). (via https://www.mdpi.com/2076-0817/8/4/199)
H11 subtype influenza viruses were isolated from a wide range of bird species and one strain also was isolated from swine. In an effort to generate reagents for a chimeric H11/1 hemagglutinin-based universal ... Li X1,2, Chan KKY, Xu B, Lu M, Xu B. Spatial, Temporal and Genetic Dynamics Characteristics of Influenza B Viruses in China, 1973~2018. Virol Sin. 2019 Oct 21. Abstract
submitted by kickingbird at Oct, 27, 2019 from Virol Sin. 2019 Oct 21 (via https://www.ncbi.nlm.nih.gov/pubmed/31637629)
Annual influenza B virus epidemics and outbreaks cause severe influenza diseases in humans and pose a threat to public health. China is an important epidemic area of influenza B viruses. However, the spatial, ... Kariithi HM, et al. Genetic characterization and pathogenesis of the first H9N2 low pathogenic avian influenza viruses isolated from chickens in Kenyan live bird markets. Infect Genet Evol. 2019 Oct 18:104074. Abstract
submitted by kickingbird at Oct, 23, 2019 from Infect Genet Evol. 2019 Oct 18:104074 (via https://www.sciencedirect.com/science/article/pii/S156713481)
Poultry production plays an important role in the economy and livelihoods of rural households in Kenya. As part of a surveillance program, avian influenza virus (AIV)-specific real-time RT-PCR (RRT-PCR) ... Hao X, et al. The PB2 and M genes are critical for the superiority of genotype S H9N2 virus to genotype H in optimizing viral fitness of H5Nx and H7N9 avian influenza viruses in mice. Transbound Emerg Dis. 2019 Oct 21.. Abstract
submitted by kickingbird at Oct, 23, 2019 from Transbound Emerg Dis. 2019 Oct 21. (via https://www.ncbi.nlm.nih.gov/pubmed/31631569)
Genotype S H9N2 avian influenza virus, which has been predominant in China since 2010, and contributed its entire internal gene cassette to the genesis of novel reassortant influenza viruses, including ... de Vries E, Du W, Guo H, de Haan CAM. Influenza A Virus Hemagglutinin-Neuraminidase-Receptor Balance: Preserving Virus Motility. Trends Microbiol. 2019 Oct 16.. Abstract
submitted by kickingbird at Oct, 22, 2019 from Trends Microbiol. 2019 Oct 16. (via https://www.ncbi.nlm.nih.gov/pubmed/31629602)
Influenza A viruses (IAVs) occasionally cross the species barrier and adapt to novel host species. This requires readjustment of the functional balance of the sialic acid receptor-binding hemagglutinin ... Momota M, et al. ZBP1 governs the inflammasome-independent IL-1α and neutrophil inflammation that play a dual role in anti-influenza virus immunity.. Int Immunol. 2019 Oct 20.. Abstract
submitted by kickingbird at Oct, 22, 2019 from Int Immunol. 2019 Oct 20. (via https://academic.oup.com/intimm/advance-article/doi/10.1093/)
Influenza A virus (IAV) triggers the infected lung to produce IL-1 and recruit neutrophil. Unlike IL-1β, however, little is known about IL-1α in terms of its mechanism of induction, action and physiological ... Samir A, Adel A, Arafa A, Sultan H, Hussein Ahmed. Molecular pathogenic and host range determinants of reassortant Egyptian low pathogenic avian influenza H9N2 viruses from backyard chicken. Int J Vet Sci Med. 2019 Jul 11;7(1):10-19. Abstract
submitted by kickingbird at Oct, 19, 2019 from Int J Vet Sci Med. 2019 Jul 11;7(1):10-19 (via https://www.tandfonline.com/doi/full/10.1080/23144599.2019.1)
Since the introduction of H9N2 low pathogenic avian influenza virus in Egypt, it became an endemic disease causing considerable economic losses in different poultry sectors especially in the presence of ... Chan WM, et al. Development and evaluation of a conventional RT-PCR for differentiating emerging influenza B/Victoria lineage viruses with hemagglutinin amino acid deletion from B/Yamagata lineage viruses. J Med Virol. 2019 Oct 14. Abstract
submitted by kickingbird at Oct, 17, 2019 from J Med Virol. 2019 Oct 14 (via https://onlinelibrary.wiley.com/doi/abs/10.1002/jmv.25607)
BACKGROUND: Recent influenza B/Victoria lineage viruses contain amino-acid deletions at positions 162-164 of the haemagglutinin (HA) protein. These amino acid deletions have affected the detection of B/Victoria ... Moriyama M, Koshiba T, Ichinohe T. Influenza A virus M2 protein triggers mitochondrial DNA-mediated antiviral immune responses. Nat Commun. 2019 Oct 11;10(1):4624.. Abstract
submitted by kickingbird at Oct, 14, 2019 from Nat Commun. 2019 Oct 11;10(1):4624. (via https://www.nature.com/articles/s41467-019-12632-5)
Cytosolic mitochondrial DNA (mtDNA) activates cGAS-mediated antiviral immune responses, but the mechanism by which RNA viruses stimulate mtDNA release remains unknown. Here we show that viroporin activity ... An SH, et al. Novel Mutations Evading Avian Immunity around the Receptor Binding Site of the Clade 2.3.2.1c Hemagglutinin Gene Reduce Viral Thermostability and Mammalian Pathogenicity. Viruses. 2019 Oct 9;11(10).. Abstract
submitted by kickingbird at Oct, 14, 2019 from Viruses. 2019 Oct 9;11(10). (via https://www.mdpi.com/1999-4915/11/10/923)
Abstract: Since 2007, highly pathogenic clade 2.3.2 H5N1 avian influenza A (A(H5N1)) viruses have evolved to clade 2.3.2.1a, b, and c; currently only 2.3.2.1c A(H5N1) viruses circulate in wild birds and ... Laporte M, et al. Hemagglutinin cleavability, acid-stability and temperature dependence optimize influenza B virus for replication in human airways. J Virol. 2019 Oct 9. pii: JVI.01430-19.. Abstract
submitted by kickingbird at Oct, 12, 2019 from J Virol. 2019 Oct 9. pii: JVI.01430-19. (via https://jvi.asm.org/content/early/2019/10/03/JVI.01430-19)
Influenza A virus (IAV) and influenza B virus (IBV) cause yearly epidemics with significant morbidity and mortality. When zoonotic IAVs enter the human population, the viral hemagglutinin (HA) requires ... Hensen L, et al. Hemagglutinin-dependent tropism of H5N1 and H7N9 influenza viruses to human endothelial cells is determined by reduced stability of the HA which allows the virus to cope with inefficient endosomal aci. J Virol. 2019 Oct 9. pii: JVI.01223-19.. Abstract
submitted by kickingbird at Oct, 12, 2019 from J Virol. 2019 Oct 9. pii: JVI.01223-19. (via https://jvi.asm.org/content/early/2019/10/03/JVI.01223-19)
Previous studies revealed that certain avian influenza A viruses (IAVs), including zoonotic H5N1 and H7N9 IAVs, infect cultured human lung microvascular endothelial cells (HULEC) more efficiently than ... Monteagudo PL, et al. Differential modulation of innate immune responses in human primary cells by influenza A viruses carrying human or avian non-structural 1 proteins. J Virol. 2019 Oct 9. pii: JVI.00999-19. Abstract
submitted by kickingbird at Oct, 12, 2019 from J Virol. 2019 Oct 9. pii: JVI.00999-19 (via https://jvi.asm.org/content/early/2019/10/03/JVI.00999-19)
The influenza A virus (IAV) non-structural protein 1 (NS1) contributes to disease pathogenesis through the inhibition of host innate immune responses. Dendritic cells (DCs) release interferons (IFN), pro-inflammatory ... Kong H, et al. Identification of key amino acids in the PB2 and M1 proteins of H7N9 influenza virus that affect its transmission in guinea pigs. J Virol. 2019 Oct 9. Abstract
submitted by kickingbird at Oct, 12, 2019 from J Virol. 2019 Oct 9 (via https://jvi.asm.org/content/early/2019/10/03/JVI.01180-19)
Efficient human-to-human transmission is a prerequisite for a novel influenza virus to cause an influenza pandemic; however, the genetic determinants of influenza virus transmission are still not fully ... 5200 items, 20/Page, Page[92/260][|<<] [|<] [91] [92] [93] [94] [95] [96] [97] [98] [99] [100] [>|] [>>|] |
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