THE ROLE OF cIAP2 IN AVIAN INFLUENZA A (H7N9) INDUCED ACUTE LUNG INJURY THROUGH INDUCING RIPK1/3 ‐DEPENDENT NECROPTOSIS

Source: Respirology - Category: Respiratory Medicine Tags: Critical Care Medicine Source Type: research

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The emergence of human infection with avian influenza A(H7N9) virus was reported in Wenshan City, southwestern China in 2017. The study describes the epidemiological and virological features of the outbreak an...
Source: BMC Infectious Diseases - Category: Infectious Diseases Authors: Tags: Research article Source Type: research
Publication date: Available online 17 February 2020Source: Clinical Epidemiology and Global HealthAuthor(s): Krishna Prasad Acharya, Niran Adhikari, Muhammad TariqAbstractThe agro-climatic conditions, socio-economic situation, poor sanitation, low hygiene and health standards in Nepal are major contributing factors to the emergence of scrub typhus in Nepal. These outbreaks, along with poor diagnostic facilities, can lead to severe economic losses in a resource-limited country like Nepal. Diseases like avian influenza, leptospirosis, brucellosis, tuberculosis and rabies, that cause heavy socio-economic burden, have received...
Source: Clinical Epidemiology and Global Health - Category: Epidemiology Source Type: research
In this study, we show that OA-10, a newly synthesized triterpene out of 11 oleanane-type derivatives, exhibited significant antiviral activity against four different subtypes of IAV (H1N1, H5N1, H9N2 and H3N2) replications in A549 cell cultures with EC50 ranging from 6.7 to 19.6 μM and a negligible cytotoxicity (CC50 > 640 μM). It inhibited acid-induced hemolysis in a dose-dependent manner, with an IC50 of 26 µM, and had a weak inhibition on the adsorption of H5 HA to chicken erythrocytes at higher concentrations (≥40 µM). Surface plasmon resonance (SPR) analysis showed that...
Source: Viruses - Category: Virology Authors: Tags: Article Source Type: research
In this study, we investigated the pathogenicity, replication and tropism of the low pathogenic avian influenza (LPAI) strain A/chicken/Belgium/460/2019(H3N1) in adult SPF layers and young SPF males. The inoculated hens showed 58% mortality and a 100% drop in egg production in the second week post inoculation. The high viral loads in the cloacal samples coincided with the period of the positive immunohistochemistry (IHC) of the oviduct, acute peritonitis and time of mortality, suggesting that the replication of H3N1 in the oviduct was a major component of the onset of clinical disease and increased level of excretion of th...
Source: Avian Pathology - Category: Pathology Authors: Tags: Avian Pathol Source Type: research
Source: RxList - New and Updated Drug Monographs - Category: Drugs & Pharmacology Source Type: news
Publication date: 1 May 2020Source: Sensors and Actuators B: Chemical, Volume 310Author(s): Fanwei Luo, Chao Long, Zhen Wu, Huayu Xiong, Miaomiao Chen, Xiuhua Zhang, Wei Wen, Shengfu WangAbstractElectrochemiluminescence (ECL) has been widely used in detection of biomarkers. However, the lacks of efficient ECL emitter and anti-interference ability limit its clinical application. Here, a sensitive ECL immunosensor was proposed for H9N2 avian influenza virus (H9N2 AIV) detection using functional silica nanospheres as signal carriers and magnetic nanobeads (MBs) as capture carriers. Functional silica nanospheres were prepared ...
Source: Sensors and Actuators B: Chemical - Category: Chemistry Source Type: research
In December 2017, an influenza A(H9N2) virus (B51) was isolated from migratory waterfowl in Hubei Province, China. Phylogenetic analysis demonstrated that B51 is a novel reassortant influenza virus containing segments from human H7N4 virus and North American wild bird influenza viruses. This suggest that B51 has undergone multiple reassortment events.
Source: Frontiers in Microbiology - Category: Microbiology Source Type: research
Source: RxList - New and Updated Drug Monographs - Category: Drugs & Pharmacology Source Type: news
ark Yeo In July 2018, a novel avian influenza virus (A/Mandarin duck/South Korea/KNU18-12/2018(H11N9)) was isolated from Mandarin ducks in South Korea. Phylogenetic and molecular analyses were conducted to characterize the genetic origins of the H11N9 strain. Phylogenetic analysis indicated that eight gene segments of strain H11N9 belonged to the Eurasian lineages. Analysis of nucleotide sequence similarity of both the hemagglutinin (HA) and neuraminidase (NA) genes revealed the highest homology with A/duck/Kagoshima/KU57/2014 (H11N9), showing 97.70% and 98.00% nucleotide identities, respectively. Additionally, inte...
Source: Viruses - Category: Virology Authors: Tags: Article Source Type: research
Exosomes, the extracellular vesicles that contain functional proteins and RNAs, regulate cell-cell communication. Recently, our group reported that levels of various microRNAs (miRNAs) in bronchoalveolar lavage fluid exosomes were highly increased in influenza virus-infected mice and that one of those miRNAs, miR-483-3p, was involved in the potentiation of the innate immune responses to influenza virus infection in mouse type II pneumocytes. Here, we evaluated exosomal miR-483-3p levels in the serum of influenza virus-infected mice and found that miR-483-3p levels were significantly increased during infection with a highly...
Source: Frontiers in Microbiology - Category: Microbiology Source Type: research
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