Browsing by Author "Bonsignori, Mattia"
Now showing items 1-11 of 11
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Assessment of Simulated Surveillance Testing and Quarantine in a SARS-CoV-2-Vaccinated Population of Students on a University Campus.
(JAMA health forum, 2021-10)<h4>Importance</h4>The importance of surveillance testing and quarantine on university campuses to limit SARS-CoV-2 transmission needs to be reevaluated in the context of a complex and rapidly changing environment that includes ... -
Correction: Neutralization-guided design of HIV-1 envelope trimers with high affinity for the unmutated common ancestor of CH235 lineage CD4bs broadly neutralizing antibodies.
(PLoS pathogens, 2019-12-02)[This corrects the article DOI: 10.1371/journal.ppat.1008026.]. -
Fab-dimerized glycan-reactive antibodies are a structural category of natural antibodies.
(Cell, 2021-05-18)Natural antibodies (Abs) can target host glycans on the surface of pathogens. We studied the evolution of glycan-reactive B cells of rhesus macaques and humans using glycosylated HIV-1 envelope (Env) as a model antigen. ... -
Functional Relevance of Improbable Antibody Mutations for HIV Broadly Neutralizing Antibody Development.
(Cell host & microbe, 2018-06)HIV-1 broadly neutralizing antibodies (bnAbs) require high levels of activation-induced cytidine deaminase (AID)-catalyzed somatic mutations for optimal neutralization potency. Probable mutations occur at sites of frequent ... -
IDLV-HIV-1 Env vaccination in non-human primates induces affinity maturation of antigen-specific memory B cells.
(Communications biology, 2018-01)HIV continues to be a major global health issue. In spite of successful prevention interventions and treatment methods, the development of an HIV vaccine remains a major priority for the field and would be the optimal strategy ... -
Immune checkpoint modulation enhances HIV-1 antibody induction.
(Nature communications, 2020-02-19)Eliciting protective titers of HIV-1 broadly neutralizing antibodies (bnAbs) is a goal of HIV-1 vaccine development, but current vaccine strategies have yet to induce bnAbs in humans. Many bnAbs isolated from HIV-1-infected ... -
Implementation of a Pooled Surveillance Testing Program for Asymptomatic SARS-CoV-2 Infections on a College Campus - Duke University, Durham, North Carolina, August 2-October 11, 2020.
(MMWR. Morbidity and mortality weekly report, 2020-11-20)On university campuses and in similar congregate environments, surveillance testing of asymptomatic persons is a critical strategy (1,2) for preventing transmission of SARS-CoV-2, the virus that causes coronavirus disease ... -
Infectious virion capture by HIV-1 gp120-specific IgG from RV144 vaccinees.
(J Virol, 2013-07)The detailed examination of the antibody repertoire from RV144 provides a unique template for understanding potentially protective antibody functions. Some potential immune correlates of protection were untested in the correlates ... -
Initiation of HIV neutralizing B cell lineages with sequential envelope immunizations.
(Nature communications, 2017-11-23)A strategy for HIV-1 vaccine development is to define envelope (Env) evolution of broadly neutralizing antibodies (bnAbs) in infection and to recreate those events by vaccination. Here, we report host tolerance mechanisms ... -
Recapitulation of HIV-1 Env-antibody coevolution in macaques leading to neutralization breadth.
(Science (New York, N.Y.), 2020-11-19)Neutralizing antibodies elicited by HIV-1 coevolve with viral envelope proteins (Env) in distinctive patterns, in some cases acquiring substantial breadth. We report that primary HIV-1 envelope proteins-when expressed by ... -
Two distinct broadly neutralizing antibody specificities of different clonal lineages in a single HIV-1-infected donor: implications for vaccine design.
(J Virol, 2012-04)Plasma from a small subset of subjects chronically infected with HIV-1 shows remarkable magnitude and breadth of neutralizing activity. From one of these individuals (CH0219), we isolated two broadly neutralizing antibodies ...
