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The Mrna-Lnp Vaccines - The Good, The Bad And The Ugly?, Botond Z. Igyártó, Zhen Qin
The Mrna-Lnp Vaccines - The Good, The Bad And The Ugly?, Botond Z. Igyártó, Zhen Qin
Department of Microbiology and Immunology Faculty Papers
The mRNA-LNP vaccine has received much attention during the COVID-19 pandemic since it served as the basis of the most widely used SARS-CoV-2 vaccines in Western countries. Based on early clinical trial data, these vaccines were deemed safe and effective for all demographics. However, the latest data raise serious concerns about the safety and effectiveness of these vaccines. Here, we review some of the safety and efficacy concerns identified to date. We also discuss the potential mechanism of observed adverse events related to the use of these vaccines and whether they can be mitigated by alterations of this vaccine mechanism …
Igg3 Subclass Antibodies Recognize Antigenically Drifted Influenza Viruses And Sars-Cov-2 Variants Through Efficient Bivalent Binding, Marcus J. Bolton, Jefferson J.S. Santos, Claudia P. Arevalo, Trevor Griesman, Megan Watson, Shuk Hang Li, Paul Bates, Holly Ramage, Patrick C. Wilson, Scott E. Hensley
Igg3 Subclass Antibodies Recognize Antigenically Drifted Influenza Viruses And Sars-Cov-2 Variants Through Efficient Bivalent Binding, Marcus J. Bolton, Jefferson J.S. Santos, Claudia P. Arevalo, Trevor Griesman, Megan Watson, Shuk Hang Li, Paul Bates, Holly Ramage, Patrick C. Wilson, Scott E. Hensley
Department of Microbiology and Immunology Faculty Papers
The constant domains of antibodies are important for effector functions, but less is known about how they can affect binding and neutralization of viruses. Here, we evaluated a panel of human influenza virus monoclonal antibodies (mAbs) expressed as IgG1, IgG2, or IgG3. We found that many influenza virus-specific mAbs have altered binding and neutralization capacity depending on the IgG subclass encoded and that these differences result from unique bivalency capacities of the subclasses. Importantly, subclass differences in antibody binding and neutralization were greatest when the affinity for the target antigen was reduced through antigenic mismatch. We found that antibodies expressed …