An engineered 5-helix bundle derived from SARS-CoV-2 S2 pre-binds sarbecoviral spike at both serological- and endosomal-pH to inhibit virus entrySARS-CoV-2 S2에서 파생된 조작된 5나선 번들은 바이러스 진입을 억제하기 위해 혈청학적 pH와 엔도솜 pH 모두에서 사베코바이러스 스파이크를 사전 결합합니다.Article Published on 2022-12-012022-09-11 Journal: Emerging Microbes & Infections [Category] COVID19(2023년), SARS, 변종, [키워드] 5-helix bundle (5HB) acute respiratory syndrome acute respiratory syndrome coronavirus bind binding Broad-spectrum inhibition can not cell membrane construction coronavirus Evidence feature fusion heptad repeat highlighting host cell host cells IC50 infections inhibit neutralize peptide peptides pre-fusion predominant Protein sarbecovirus sarbecovirus Sarbecoviruses SARS-CoV-2 SARS-CoV-2 pseudovirus SARS-CoV-2 S2 SARS-CoV-2 variant SARS-CoV-2 variants serological severe acute respiratory syndrome Coronavirus severe acute respiratory syndrome coronavirus 2 structural basis These data Treatment viral entry viral entry. viral spike virus entry virus infection [DOI] 10.1080/22221751.2022.2095308 PMC 바로가기 [Article Type] Article
The Drosophila melanogaster ACE2 ortholog genes are differently expressed in obesity/diabetes and aging models: Implications for COVID-19 pathologyArticle Published on 2022-12-012022-11-15 Journal: Biochimica et biophysica acta. Molecular basis of [Category] COVID19(2023년), SARS, 변종, 진단, [키워드] ACE2 ACE2 ortholog ACE2 orthologs ACE2 receptor Acer age analyzed Ance animal model approach bind binding affinity complement coronavirus disease COVID-19 COVID-19 pathology COVID-19 severity death dependent on diabetes disorders Drosophila melanogaster Effect elderly ENhance expressed Factors glycoprotein host cells humans increase individual interact Interaction molecular molecular docking mRNA expression obesity ortholog predicted Protein regions regulated Research responsible risk factor Risk factors. robust SARS-CoV-2 SARS-CoV-2 variant shown spike spike-ACE2 susceptible the Spike translational Transmissibility virus [DOI] 10.1016/j.bbadis.2022.166551 PMC 바로가기
COVID-19: imbalanced cell-mediated immune response drives to immunopathologyArticle Published on 2022-12-012022-11-15 Journal: Emerging Microbes & Infections [Category] COVID19(2023년), SARS, 치료제, [키워드] acute respiratory syndrome alveolar damage Antiviral caused cell-mediated immune cell-mediated immune response changes in consequence coronavirus coronavirus disease COVID-19 Critical cytokine Cytokine storm effective Endotheliitis exacerbated excessive inflammation fluid overload homeostasis Host host cells immune immune responses immune system Immunological response immunopathology Inflammatory response Invasion involved lung damage Lung injury manifested mechanism NETs neutrophil activation organs pandemic Pathogenesis pathogenesis. pathophysiological progression SARS-CoV-2 SARS-CoV-2-specific immune responses severe disease syndrome therapeutic agent Therapeutic strategies tissue Trigger viral infection [DOI] 10.1080/22221751.2022.2122579 PMC 바로가기
Identification and characterization of the anti-SARS-CoV-2 activity of cationic amphiphilic steroidal compounds양이온성 양친매성 스테로이드 화합물의 항 SARS-CoV-2 활성의 확인 및 특성화Article Published on 2022-12-012022-09-11 Journal: Virulence [Category] COVID19(2023년), SARS, 변종, 유전자 메커니즘, 치료제, [키워드] aggravation ameliorated anti-SARS-CoV-2 activities Anti-SARS-CoV-2 Activity Antiviral antiviral activity cationic caused cell lines characterization cholesterol complex Compound compounds COVID-19 pandemic COVID-19 patient cytopathic Cytopathic effect Drug discovery effective envelope envelope proteins epiandrosterone followed by hACE2 HEK293 host cell host cells identification in vitro in vivo indicated inhibited initial involved life Lipid mechanism membrane modulate modulation Mortality Pathogenesis progeny protective effect Protective effects Proteins Quality of life reduce reduce COVID-19 aggravation SARS-CoV-2 SARS-COV-2 infection SARS-CoV-2 replication selected Selection single mutation single mutations specific treatment spike steroidal compounds. subversion Transgenic mouse translate transmembrane Treatment treatment of COVID-19 patients Vero Vero CCL81 cell Vero CCL81 cells viral replication Viral RNA viral variant Viral variants [DOI] 10.1080/21505594.2022.2085793 PMC 바로가기 [Article Type] Article
SARS-CoV-2 pseudovirus enters the host cells through spike protein-CD147 in an Arf6-dependent mannerSARS-CoV-2 슈도바이러스는 Arf6 의존적 방식으로 스파이크 단백질-CD147을 통해 숙주 세포에 들어갑니다.Article Published on 2022-12-012022-09-11 Journal: Emerging Microbes & Infections [Category] COVID19(2023년), SARS, 변종, 유전자 메커니즘, [키워드] acute respiratory syndrome acute respiratory syndrome coronavirus acute respiratory syndrome coronavirus 2 approach Arf6 blockade CD147 cells clathrin Clathrin-mediated endocytosis clinically coronavirus endocytic endocytic mechanism endocytosis evaluate feasible function host cell host cells Huh-7 cell Huh-7 cells independent independent of indicated infected Vero E6 cells Infection inhibited inhibitor knockdown Localization macropinocytosis pathway Prevent pseudovirus pseudovirus infection public health RAB5A SARS-CoV-2 SARS-CoV-2 entry SARS-COV-2 infection SARS-CoV-2 pseudovirus SARS-CoV-2 pseudovirus infection severe acute respiratory syndrome Coronavirus Spike protein spike protein. Spread the SARS-CoV-2 variant Vero E6 VERO E6 cells viral infection weakened [DOI] 10.1080/22221751.2022.2059403 PMC 바로가기 [Article Type] Article
Omicron BA.1 and BA.2 variants increase the interactions of SARS-CoV-2 spike glycoprotein with ACE2Article Published on 2022-12-012022-11-16 Journal: Journal of molecular graphics & modelling [Category] COVID19(2023년), SARS, 변종, 치료기술, [키워드] ACE2 ACE2 receptor Affect angiotensin-converting enzyme 2 Area B.1.1.529 binding binding efficiency binding free energy conformation domain dominant explicit full-length glycans glycoprotein host cells hydrophobic interaction infect Infection initiated Interaction interactions ions Mechanics MMPBSA molecular dynamics Molecular dynamics simulation molecular dynamics simulations mutated Mutation omicron Omicron variant performed RBD RBD-ACE2 receptor residue Salt Bridge SARS-CoV-2 SARS-CoV-2 spike glycoprotein Simulation spike spike glycoprotein spike glycoprotein. strain surface the receptor-binding domain trajectory variant variant of SARS-CoV-2 variants wild-type [DOI] 10.1016/j.jmgm.2022.108286 PMC 바로가기
Characterization and immunogenicity of SARS-CoV-2 spike proteins with varied glycosylationArticle Published on 2022-11-082022-11-15 Journal: Vaccine [Category] SARS, 진단, [키워드] 293 cells 293F cell acute respiratory syndrome addition binding caused Cell changed characterization convalescent sera coronavirus Coronavirus disease-19 COVID-19 Critical discrepancy effective Efficacy elicited exhibited expression globe glycosylated glycosylation glycosylation pattern homogeneity host cells IgG immunization immunogenicity insect cell mammalian cells mice Neutralizing antibody response neutralizing antibody titre pandemic Protein Proteins provide reactivity Receptor binding regimen robust S protein S-2P SARS-CoV-2 SARS-CoV-2 spike protein spike Spike. the S protein thermal stability Vaccine Vaccine design Variation virus virus entry while [DOI] 10.1016/j.vaccine.2022.09.057 PMC 바로가기
SARS-CoV-2 Diverges from Other Betacoronaviruses in Only Partially Activating the IRE1α/XBP1 Endoplasmic Reticulum Stress Pathway in Human Lung-Derived CellsArticle Published on 2022-10-262022-11-15 Journal: mBio [Category] COVID19(2023년), SARS, 유전자 메커니즘, 진단, 치료기술, [키워드] activate Activation activities activity acute respiratory syndrome betacoronaviruses Cell cellular change coronavirus coronavirus country Critical death downstream Endoplasmic reticulum enzyme ER stress examined expression of gene functions Gene Expression HCoV-OC43 Host host cell host cells host immune system Human human cell human cells imperative individual induce infect Infection inhibit interact IRE1α pathway less limit MERS-CoV MHV Middle East molecular mechanism mRNA murine OC43 Other other coronavirus pathway Prevent processed Replication required Respiratory Coronavirus respiratory syndrome coronavirus Reticulum RNase SARS-CoV SARS-CoV-2 SARS-COV-2 infection severe respiratory disease signaling pathway similarity splice Spread Stress tested the interferon transcription factor Trigger unfolded protein response Unfolded protein response. UPR Vaccine viral replication virus XBP1 [DOI] 10.1128/mbio.02415-22 PMC 바로가기
Early suppression of antiviral host response and protocadherins by SARS-CoV-2 Spike protein in THP-1-derived macrophage-like cellsArticle Published on 2022-10-202022-11-15 Journal: Frontiers in Immunology [Category] COVID19(2023년), SARS, 치료제, [키워드] acute respiratory syndrome Alpha Antiviral approved Cell cells cellular cellular response change coronavirus Coronavirus disease-19 COVID-19 cytokine differentially expressed downregulation Effect effort expressing expression highlight homeostasis host cells host response humoral immune responses induce Infection information interferon intrinsic involved medium pandemic pathogenic PROTECT Protein reflected Result S protein SARS-CoV-2 spike Spike protein the S protein transcriptomic transcriptomics transcriptomics. type I Vaccination strategies Vaccine variety while [DOI] 10.3389/fimmu.2022.999233 PMC 바로가기
Computational Design and Experimental Validation of ACE2-Derived Peptides as SARS-CoV-2 Receptor Binding Domain InhibitorsArticle Published on 2022-10-202022-11-16 Journal: The journal of physical chemistry. B [Category] COVID19(2023년), SARS, 변종, [키워드] ACE2 ACE2 binding Algorithm Alpha variant bind binding binding affinity candidate caused Concentration concentrations COVID-19 pandemic demonstrated disrupt domain ELISA assays entry of SARS-CoV-2 experiments expressed globe host cells human cells inhibitory initial insoluble Interaction moderate Molecular dynamics simulation molecule peptidase peptide Prevent Protein RBD SARS-CoV-2 SARS-CoV-2 RBD SARS-CoV-2-RBD sequence spike the RBD the SARS-CoV-2 therapeutic These data validation variants virus entry was used Wuhan-Hu-1 α1 helix [DOI] 10.1021/acs.jpcb.2c03918 PMC 바로가기