ArticleFrontiers in immunology2023
Antigen-dependent modulation of immune responses to antigen-Fc fusion proteins by Fc-effector functions.
Article in Frontiers in immunology, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
5 citing papers in PubMed, 4 citations in OpenAlex.
- Fusion with immunoglobulin Fc fragment enhances the immunogenicity of the African swine fever virus p30/p54 fusion protein.Applied microbiology and biotechnology · 2026Article
- Broadly Protective Antibody-Like Vaccines Against Highly Pathogenic Coronaviruses.Journal of medical virology · 2026Article
- Novel biopharmaceutical strategies: Fc-fusion protein technology.Frontiers in pharmacology · 2026Review
- ACE2, From the Kidney to SARS-CoV-2: Donald Seldin Award Lecture 2023.Hypertension (Dallas, Tex. : 1979) · 2025Article
- Neutralizing the threat: harnessing broadly neutralizing antibodies against HIV-1 for treatment and prevention.Microbial cell (Graz, Austria) · 2024Article
Corrections and comments
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Authors and funding
6 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Background: Fc-fusion proteins have been successfully developed for therapeutic purposes, but are also a promising platform for the fast generation and purification of immunogens capable of inducing strong humoral immune responses in preclinical immunization studies. As the Fc-portion of immunoglobulins fused to an antigen confers functional properties of the parental antibody, such as dimerization, binding to Fc-receptors and complement activation, several studies reported that Fc-fusion proteins elicit stronger antigen-specific antibody responses than the unfused antigen. However, dimerization or half-life extension of an antigen have also been described to enhance immunogenicity. Methods: To explore the role of Fc-effector functions for the immunogenicity of fusions proteins of viral glycoproteins and Fc fragments, the HIV-1 gp120 and the RBD of SARS-CoV-2 were fused to the wild type muIgG2a Fc fragment or mutants with impaired (LALA-PG) or improved (GASDIE) Fc-effector functions. Results: Immunization of BALB/c mice with DNA vaccines encoding gp120 - Fc LALA-PG induced significantly higher antigen-specific antibody responses than gp120 - Fc WT and GASDIE. In contrast, immunization with DNA vaccines encoding the RBD fused to the same Fc mutants, resulted in comparable anti-RBD antibody levels and similar neutralization activity against several SARS-CoV-2 variants. Conclusion: Depending on the antigen, Fc-effector functions either do not modulate or suppress the immunogenicity of DNA vaccines encoding Fc-antigen fusion proteins.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.