Results 201 to 210 of about 31,937 (255)

Inhibitory effects of epigallocatechin gallate (EGCG) combined with zinc sulfate and silver nanoparticles on avian influenza A virus subtype H5N1.

European review for medical and pharmacological sciences, 2021
Even though antiviral drugs against H5N1 flu infection are accessible, they are still limited by antiviral drug resistance and unfavorable side effects. Thus, this work tested the action of epigallocatechin gallate (EGCG) co-administered with both zinc (II) ions and silver nanoparticles (AgNPs).EGCG was used with both zinc sulfate (zinc II) and silver ...
M. Saadh, S. Aldalaen
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Highly pathogenic avian influenza virus H5N1 infection in skua and gulls in the United Kingdom, 2022

Veterinary Pathology-Supplement, 2023
The reemergence of the highly pathogenic avian influenza virus (HPAIV) subtype H5N1 in the United Kingdom in 2021–2022 has caused unprecedented epizootic events in wild birds and poultry. During the summer of 2022, there was a shift in virus transmission
F. Lean, Marco Falchieri, Natalia Furman, Glen Tyler, C. Robinson, Paul Holmes, Scott M. Reid, A. Banyard, Ian H. Brown, Catherine Man, Alejandro Núñez   +10 more
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Single-Step Multiplex Reverse Transcription–Polymerase Chain Reaction (RT-PCR) for Influenza A Virus Subtype H5N1 Detection

Viral Immunology, 2004
Influenza A virus subtype H5N1 causes a rapidly fatal systemic disease in domestic poultry and spreads directly from poultry to humans. The aim of this study was to develop a rapid, cost-saving and effective method for influenza A virus subtype H5N1 detection.
S. Payungporn, Piraya Phakdeewirot, Salin Chutinimitkul, A. Theamboonlers, J. Keawcharoen, K. Oraveerakul, A. Amonsin, Y. Poovorawan   +7 more
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Rescue of H5N1 subtypeavian influenza A viruslethal to mice

Chinese Journal of Agricultural Biotechnology, 2007
AbstractAvian influenza virus is acquiring the ability to cross the species barrier between birds and mammals. However, the genetic mechanism of this ability is not well known. We successfully rescued aninfluenza A virusA/Chicken/Guangdong/03 (H5N1), which is highly pathogenic to both SPF chickens and BALB/c mice, by plasmid-based reverse genetics. The
Pan Wei-Qi, Liu Ming, Zhang Yun, Liu Chun-Guo, Yang Tao, Li Jing-Peng   +5 more
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Lysiphyllum strychnifolium (Craib) A. Schmitz extract, a novel neuraminidase inhibitor of avian influenza virus subtype H5N1

Journal of Herbal Medicine, 2020
Abstract The leaves and stems of Lysiphyllum strychnifolium (Craib) A. Schmitz (Fabaceae family) have been traditionally used in Thailand for detoxification and to treat pesticide poisoning in humans. To uncover novel uses of L.strychnifolium, the possible antiviral properties against avian influenza virus A, strain H5N1, were explored in this study.
Sophida Sukprasert, Kanoktip Pansuksan, Kusuma Sriyakul   +2 more
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Economic loss in poultry farms affected with highly pathogenic avian influenza A virus subtype H5N1 and low pathogenic avian influenza A virus subtype H9N2 in Chattogram, Bangladesh

Bangladesh Journal of Veterinary and Animal Sciences, 2020
Depending on the degree of pathogenicity in chickens, avian influenza virus (AIV) are divided into highly pathogenic (HPAI) or low pathogenic AI (LPAI) viruses. Typically, high morbidity accompanied by high and rapidly escalating unexplained mortality is associated with a HPAI virus.
Ripatun Nahar Ripa, Tridip Das, Himel Barua, Md. Inkeyas Uddin, Md. Reajul Haque, Md. Masuduzzaman, A.K.M Saifuddin, Paritosh Kumar Biswas   +7 more
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Understanding of Drug-Target Interactions: A case Study in Influenza Virus A Subtype H5N1

AIP Conference Proceedings, 2007
This study aims at gaining insight into molecular mechanisms of action of three drug targets of the life cycle of influenza virus A subtype H5N1, namely Hemagglutinin (H5), Neuraminidase (N1) and M2 ion channel (M2), using molecular mechanics and molecular dynamics techniques.
Thanyada Rungrotmongkol, Maturos Malaisree, Panita Decha, Chittima Laohpongspaisan, Ornjira Aruksakunwong, Pathumwadee Intharathep, Somsak Pianwanit, Pornthep Sompornpisut, Vudhichai Parasuk, Eugene Megnassan, Vladimir Frecer, Stanislav Miertus, Supot Hannongbua, Theodore E. Simos, George Maroulis   +14 more
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Characterisation and haemagglutinin gene epitope mapping of a variant strain of H5N1 subtype avian influenza virus

Veterinary Microbiology, 2013
H5N1 avian influenza virus (AIV) undergoes rapid evolution, and its antigenicity needs to be constantly evaluated in order to update the vaccine strain. In this report, a clade 7.2 AIV isolate named A/Chicken/Huadong/4/2008 (DT) is identified. Antigenic analysis revealed that DT had a significant low cross-reactive HI titre with antiserum against a ...
Yanfang, Li, Xiaojian, Zhang, Quangang, Xu, Qiang, Fu, Yinbiao, Zhu, Sujuan, Chen, Daxin, Peng, Xiufan, Liu   +7 more
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Simultaneous detection of influenza virus type B and influenza A virus subtypes H1N1, H3N2, and H5N1 using multiplex real-time RT-PCR

Applied Microbiology and Biotechnology, 2011
Use of multiplex real-time reverse transcription polymerase chain reaction (RT-PCR) for the simultaneous detection of influenza type B virus and influenza A virus subtypes H5N1, H3N2, and H1N1 has been described. The method exhibited a high specificity and sensitivity of approximately 10(1)-10(2) copies per microliter or 10(-3)-10(-2) TCID50/L for each
Fang, Shisong, Li, Jianxiong, Cheng, Xiaowen, Zhao, Cunyou, Wang, Ting, Lv, Xing, Wang, Xin, Wu, Chunli, Zhang, Renli, Cheng, Jinquan, Hong, Xue, Yu, Muhua   +11 more
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Avian influenza A (H5N1) virus in dairy cattle: origin, evolution, and cross-species transmission

mBio
Since the emergence of highly pathogenic avian influenza virus (HPAIV) H5N1 of clade 2.3.4.4b as a novel reassortant virus from subtype H5N8, the virus has led to a massive number of outbreaks worldwide in wild and domestic birds.
Ahmed Mostafa, M. Naguib, A. Nogales, Ramya S. Barre, James P Stewart, Adolfo García-Sastre, Luis Martínez-Sobrido   +6 more
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