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New ‘atlas’ charts how antibodies attack spike protein variants

Scienmag

Antibodies capable of neutralizing multiple SARS-CoV-2 strains can inform strategies for broadly protective COVID-19 booster vaccines As the SARS-CoV-2 virus that causes COVID-19 continues to evolve, immunologists and infectious diseases experts are eager to know whether new variants are resistant to the human antibodies that recognized initial versions (..)

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Scientists unmask new neutralizing antibody target on SARS-CoV-2 spike protein

Scienmag

SARS-CoV-2 can recruit a haem metabolite to evade antibody immunity Researchers have identified another potential target for neutralizing antibodies on the SARS-CoV-2 Spike protein that is masked by metabolites in the blood.

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HIV vaccines suffer setbacks but new approaches could turn the tide

Pharmaceutical Technology

Additionally, advances in the study of broadly neutralising antibodies (bNAbs) have led to new candidates being studied in early trials. Steven Deeks, professor of medicine at the University of California, San Francisco. mRNA vaccines can be made and modified quickly compared to protein subunit vaccines, says Montefiore.

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Designed antiviral proteins inhibit SARS-CoV-2 in the lab

Scienmag

Computer design of synthetic proteins is creating potent, stable antivirals that block infection at least as well as monoclonal antibodies Credit: Ian Haydon/UW Medicine Institute for Protein Design Computer-designed small proteins have now been shown to protect lab-grown human cells from SARS-CoV-2, the coronavirus that causes COVID-19.

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Antibody binding-site conserved across COVID-19 virus variants

Scienmag

The structural revelation could have implications as a therapeutic target in all SARS-CoV-2 variants Credit: Kelly Lab/Penn State A tiny protein of SARS-CoV-2, the coronavirus that gives rise to COVID-19, may have big implications for future treatments, according to a team of Penn State researchers.

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Asthma Drug Xolair Wins FDA Approval as First Treatment for Multiple Food Allergies

XTalks

The class of IgE-mediated food allergies includes 160 foods, with peanuts, milk, eggs, wheat, soy and tree nuts being the most common ones. According to the Centers for Disease Control and Prevention (CDC), almost six percent of people in the US in 2021 had a food allergy. However, the treatment is restricted to peanut allergy.

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Epsilon variant mutations contribute to COVID immune evasion

Scienmag

Studies reveal unprecedented mechanism behind loss of antibody neutralization against this pandemic coronavirus variant of concern Credit: Young-Jun Park, UW Department of Biochemistry Three mutations in the Epsilon coronavirus spike protein dampen the neutralizing potency of antibodies induced by current vaccines or past COVID infections.