H3N8 subtype avian influenza virus originated from wild birds exhibited dual receptor-binding profilesArticle Published on 2023-02-012023-06-22 Journal: The Journal of Infection [Category] 조류인플루엔자, [키워드] China H3N8 Phylogeny Receptor binding virulence wild birds. [DOI] 10.1016/j.jinf.2022.10.023 PMC 바로가기
Understanding the dynamic relation between wastewater SARS-CoV-2 signal and clinical metrics throughout the pandemicArticle Published on 2022-12-202022-11-16 Journal: The Science of the total environment [Category] COVID19(2023년), SARS, 변종, [키워드] Alpha variant clinical testing Community complementary COVID-19 COVID-19 disease COVID-19 incidence deaths Delta VOC disease disease incidence Effectiveness expected Hospital admissions ICU admissions immunization incidence Infection Laboratory positive cases Metrics moderate omicron pandemic Population positive SARS-CoV-2 shown Spread Surveillance understanding vaccination vaccination rate Vaccine virulence VoC waned wastewater weakened widespread wildtype WWS. [DOI] 10.1016/j.scitotenv.2022.158458 PMC 바로가기
Non-uniform aspects of the SARS-CoV-2 intraspecies evolution reopen question of its originArticle Published on 2022-12-012022-11-16 Journal: International journal of biological macromolecules [Category] COVID19(2023년), SARS, 변종, 유전자 메커니즘, [키워드] acute respiratory syndrome beta-coronavirus Characteristics conducted conserved coronavirus disease Coronavirus-2 COVID-19 distribution Evenly-uneven Evidence Evolution Frequency functional furin cleavage Furin cleavage site (FCS) hypothese Hypothesis Invariant regions Mutation mutations pandemic Pandemics Protein question Region residue residues SARS-CoV-2 SARS-CoV-2 variant SARS-CoV-2. Support the SARS-CoV-2 Transmissibility unique variants virulence virus [DOI] 10.1016/j.ijbiomac.2022.09.184 PMC 바로가기
Statistical analysis supports UTR (untranslated region) deletion theory in SARS-CoV-2Article Published on 2022-12-012022-11-16 Journal: Virulence [Category] COVID19(2023년), SARS, 변종, [키워드] affected Analysis ancestor Asymptomatic asymptomatic patients clinical outcomes correlation Degradation deletion of the untranslated region demonstrated Deterioration driving early stage evaluate Evolution explain genetic influence Genome hospitalized patient indicated mathematical Mortality mortality rate Mutation nucleic acid nucleic acid degradation system Patient SARS-CoV-2 SARS-COV-2 infection significantly significantly more similarity strain Support Symptoms the epidemic Toxicity UTR viral genome viral toxicity viral toxicity. virulence virus virus genome was performed [DOI] 10.1080/21505594.2022.2132059 PMC 바로가기
Whole-genome sequence analysis reveals the circulation of multiple SARS-CoV-2 variants of concern in Nairobi and neighboring counties, Kenya between March and July 2021Article Published on 2022-11-082022-11-16 Journal: Virology Journal [Category] SARS, 변종, [키워드] adaptive analysis analyzed B.1.1.7 B.1.351 B.1.617.2 Beta bioinformatics circulation community transmission comparison Coronaviruses COVID-19 COVID-19 cases Delta Epidemics genome sequence increase in Kenya Lineage majority Mutation Neutralizing antibodies Oxford Nanopore Technologies Phylogenetic Prevalence protocol reduced Region regions reveal RNA RT-PCR SAR-CoV-2 SARS-CoV-2 SARS-COV-2 infection SARS-CoV-2 strain SARS-CoV-2 variant SARS-CoV-2. sequence Sequence analysis Sequencing Spread Strains study period the SARS-CoV-2 variant virulence virus virus transmissibility VoC was performed [DOI] 10.1186/s12985-022-01895-y PMC 바로가기
SARS-CoV-2 Variant Delta Potently Suppresses Innate Immune Response and Evades Interferon-Activated Antiviral Responses in Human Colon Epithelial CellsArticle Published on 2022-10-262022-11-15 Journal: Microbiology Spectrum [Category] COVID19(2023년), SARS, 변종, 유전자 메커니즘, 치료제, [키워드] Activation Adaptive immune response association biochemical Caco2 caused changed chemokine Colon contributed COVID-19 cytokine declining Delta delta variant disease epithelial cell line evade Evolution expected fatality feature highlighting Host Human humans IFN IFN response Infection Innate innate antiviral innate immune response interferon Intervention mechanism multiple mechanism outcome pandemic pathophysiology pathway persistence receptor reduced Replication response resulting RLR pathway robust SARS-CoV-2 SARS-CoV-2 variant severe disease Severe infection severe symptom silent susceptible sustained the disease transcriptomic Treatment vaccination variant variants variants. viral evolution virulence virus with COVID-19 [DOI] 10.1128/spectrum.01604-22 PMC 바로가기
Comparative Assessment of Severe Acute Respiratory Syndrome Coronavirus 2 Variants in the Ferret ModelArticle Published on 2022-10-262022-11-15 Journal: mBio [Category] COVID19(2023년), SARS, 변종, 치료기술, [키워드] acute respiratory syndrome Airborne transmission Analysis assessment Beta changes Comparative Contact coronavirus coronavirus 2 COVID-19 Critical Delta disease evaluate ferret ferrets genomic variant Heterologous highest histopathological homologous homologous or heterologous Human in vivo infection with SARS-CoV-2 inoculated lineages lowest Mild Model offered pandemic Particle pathogenicity provided Reinfection replicated Replication replication kinetics respiratory respiratory tract risk RNA SARS-CoV-2 SARS-COV-2 infection SARS-CoV-2 strains SARS-CoV-2 variant Spread Strains Surveillance the spike protein the United State Transmissibility Transmission transmitted upper respiratory tract USA-WA1/2020 variant Variant. variants virulence virus virus virus infection virus load WA1 while [DOI] 10.1128/mbio.02421-22 PMC 바로가기
B.1.351 SARS-CoV-2 Variant Exhibits Higher Virulence but Less Viral Shedding than That of the Ancestral Strain in Young Nonhuman PrimatesArticle Published on 2022-10-262022-11-16 Journal: Microbiology Spectrum [Category] COVID19(2023년), SARS, 변종, 유전자 메커니즘, [키워드] addition Alpha animal model association B.1.351 Beta caused changes in Characteristics Chinese circulating Clinical signs contribute determine distribution drugs early stage Efficacy and safety elevated exhibited IFN-γ IL-17 Infection Inflammatory Inflammatory cytokine interferon gamma interleukin 17 investigated less Lower respiratory tract lung tissue mechanisms mutated Necrosis NHP NHPs nonhuman primate pathogenesis of SARS-CoV-2 pathogenic pathogenicity pathological changes primate provide pulmonary inflammation reduced replicated Research rhesus macaque SARS-CoV-2 SARS-CoV-2 strain SARS-CoV-2 vaccine SARS-CoV-2 variant SARS-CoV-2 variants severe lung injury shedding spike-specific T-cell response strain Strains tissue TNF-α Transmission upper respiratory tract Vaccine variant variants of concern viral distribution viral shedding virulence virulence. virulent VoC VOCs were infected [DOI] 10.1128/spectrum.02263-22 PMC 바로가기
Two Ligand-Binding Sites on SARS-CoV-2 Non-Structural Protein 1 Revealed by Fragment-Based X-ray ScreeningArticle Published on 2022-10-182022-11-15 Journal: International Journal of Molecular Sciences [Category] COVID19(2023년), SARS, 치료제, [키워드] affinity Antiviral antiviral drug applicability assays atomic resolution caused consequence Consequences conserved coronavirus CoV COVID-19 cross-binding effects Degradation drug design effective Efficiency expression fragment-based X-ray screening functional Health Host host mRNA IFN infection rate inhibitor interferon ligands limitation MERS coronaviruses mortality rate N-terminal domain non-structural protein non-structural protein 1 outbreak pandemic Pathways Protein provide Replication respiratory Revealed Safe SARS-CoV-2 Screening Site starting point structure-based drug design. unique vaccination Vaccines variety virulence virus X-ray X-ray crystallography [DOI] 10.3390/ijms232012448 PMC 바로가기
Hydrothermal assisted biogenic synthesis of silver nanoparticles: A potential study on virulent candida isolates from COVID-19 patientsArticle Published on 2022-10-062022-11-15 Journal: PLoS ONE [Category] 진단, [키워드] atomic biological activity Candida Candida albican Candida albicans Cell cell membrane coated COVID-19 COVID-19 patient effective Fourier transform High-resolution Ion isolate mechanism Microscopy Modification Morphological PCR question reduction silver nanoparticle TEM Testing thymus Till transmission electron microscopy virulence virulent vulgaris [DOI] 10.1371/journal.pone.0269864 PMC 바로가기