Alarming antibody evasion properties of rising SARS-CoV-2 BQ and XBB subvariants
The SARS-CoV-2 Omicron variant continues to evolve, with new BQ and XBB subvariants now rapidly expanding in Europe/US and Asia, respectively. As these new subvariants have additional spike mutations, they may possess altered antibody evasion properties.
Qian Wang +16 more
semanticscholar +1 more source
Antibody evasion properties of SARS-CoV-2 Omicron sublineages
The identification of the Omicron (B.1.1.529.1 or BA.1) variant of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) in Botswana in November 20211 immediately caused concern owing to the number of alterations in the spike glycoprotein that ...
S. Iketani +18 more
semanticscholar +1 more source
SARS-CoV-2 B.1.617.2 Delta variant replication and immune evasion
The B.1.617.2 (Delta) variant of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) was first identified in the state of Maharashtra in late 2020 and spread throughout India, outcompeting pre-existing lineages including B.1.617.1 (Kappa) and B ...
P. Mlcochova +51 more
semanticscholar +1 more source
SARS-CoV-2 Omicron variant: Antibody evasion and cryo-EM structure of spike protein–ACE2 complex
The newly reported Omicron variant is poised to replace Delta as the most prevalent severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) variant across the world. Cryo–electron microscopy (cryo-EM) structural analysis of the Omicron variant spike
D. Mannar +8 more
semanticscholar +1 more source
Tumor microenvironment-mediated immune evasion in hepatocellular carcinoma
Hepatocellular carcinoma (HCC) is the most common primary liver malignancy and is the third leading cause of tumor-related mortality worldwide. In recent years, the emergency of immune checkpoint inhibitor (ICI) has revolutionized the management of HCC ...
Chen Chen +3 more
semanticscholar +1 more source
Aerobic glycolysis promotes tumor immune evasion by hexokinase2-mediated phosphorylation of IκBα.
High expression of PD-L1 in tumor cells contributes to tumor immune evasion. However, whether PD-L1 expression in tumor cells is regulated by the availability of nutrients is unknown.
Dong Guo +15 more
semanticscholar +1 more source
Structural basis of SARS-CoV-2 Omicron immune evasion and receptor engagement
The severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) Omicron variant of concern evades antibody-mediated immunity that comes from vaccination or infection with earlier variants due to accumulation of numerous spike mutations.
M. McCallum +16 more
semanticscholar +1 more source
Immune evasion and provocation by Mycobacterium tuberculosis
Mycobacterium tuberculosis, the causative agent of tuberculosis, has infected humans for millennia. M. tuberculosis is well adapted to establish infection, persist in the face of the host immune response and be transmitted to uninfected individuals.
P. Chandra +2 more
semanticscholar +1 more source
Structural and functional characterizations of infectivity and immune evasion of SARS-CoV-2 Omicron
The SARS-CoV-2 Omicron with increased fitness is spreading rapidly worldwide. Analysis of cryo-EM structures of the Spike (S) from Omicron reveals amino acid substitutions forging interactions that stably maintain an active conformation for receptor ...
Zhen Cui +22 more
semanticscholar +1 more source
SARS-CoV-2 variant evasion of monoclonal antibodies based on in vitro studies
Monoclonal antibodies (mAbs) offer a treatment option for individuals with severe COVID-19 and are especially important in high-risk individuals where vaccination is not an option. Given the importance of understanding the evolution of resistance to mAbs
MacGregor Cox +10 more
semanticscholar +1 more source

