ArticleScience (New York, N.Y.)2020
Adaptation of SARS-CoV-2 in BALB/c mice for testing vaccine efficacy.
Article in Science (New York, N.Y.), 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 534 papers, 1 of them a synthesis that pooled it.
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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.
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Who cites it
534 citing papers in PubMed, 1 synthesis or guideline pooled it, 835 citations in OpenAlex.
- Tracing the origin of Severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2): A systematic review and narrative synthesis.Journal of medical virology · 2022Pooled it
- A randomized, double-blind, placebo-controlled phase 1 and phase 2 clinical trial to evaluate efficacy and safety of a SARS-CoV-2 vaccine SCoK in adults.Clinical and translational medicine · 2022Trial
- Lethal C57BL/6 mouse model for Yezo virus infection and antiviral therapeutic evaluation.Emerging microbes & infections · 2026Article
- Modeling the Exposome in Murine Cardiovascular Disease.JACC. Basic to translational science · 2026Review
- Development and characterization of mouse-adapted recombinant SARS-CoV-2 expressing reporter genes.Microbiology spectrum · 2026Article
- Triple IFN pathway deficiency sensitizes mice to human respiratory virus infection independent of human viral receptor expression.Nature communications · 2026Article
- Differential effects of SARS-CoV-2-targeted infection of ATII, club cells, and macrophages on lung immunopathology and antiviral responses.Mucosal immunology · 2026Article
- Broadly Protective Antibody-Like Vaccines Against Highly Pathogenic Coronaviruses.Journal of medical virology · 2026Article
- PRIME: An evaluation framework for protein representation inference and generalization in viral mutation space.BMC genomics · 2026Article
- SARS-CoV-2 intra-host viral diversity associated with host innate and vaccine-induced immunity in an obese mouse model.BMC infectious diseases · 2026Article
- A biosafe mouse model for SARS-CoV-2 infection that more realistically simulates COVID-19 symptoms.Signal transduction and targeted therapy · 2026Article
- Clues to Long COVID Linked to Virulence and Infectivity Found in Shell Proteins.Advances in respiratory medicine · 2026Review
- Prolonged dysregulation and pathological changes in the upper respiratory tract of SARS-CoV-2 infected hamsters.Npj viruses · 2026Article
- Structural basis for bat receptor recognition by SARS-CoV-2 and bat SARS2-like coronaviruses.Communications biology · 2026Article
- IFITM3 deficiency drives SARS-CoV-2 adaptation while preserving variant-specific traits.Nature communications · 2026Article
- SARS-CoV-2 variants: biology, pathogenicity, immunity and control.Nature reviews. Microbiology · 2026Review
- Dynamics of lung-infiltrating virus-specific T cells associated with age-dependent SARS-CoV-2 pneumonia severity.PLoS pathogens · 2026Article
- Experimental evolution of Rc-o319 sarbecovirus spike protein reveals limited ACE2 adaptability.Virus evolution · 2026Article
- A binary self-amplifying expression platform enabling lipid nanoparticle-free vaccines and nanomedicines.Nature communications · 2025Article
- Monocyte-eosinophil signaling axis promotes vaccine-mediated protection against SARS-CoV-2.PLoS pathogens · 2025Article
474 more citing papers are in PubMed but not listed here.
Corrections and comments
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Authors and funding
32 authors at 5 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The ongoing coronavirus disease 2019 (COVID-19) pandemic has prioritized the development of small-animal models for severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). We adapted a clinical isolate of SARS-CoV-2 by serial passaging in the respiratory tract of aged BALB/c mice. The resulting mouse-adapted strain at passage 6 (called MASCp6) showed increased infectivity in mouse lung and led to interstitial pneumonia and inflammatory responses in both young and aged mice after intranasal inoculation. Deep sequencing revealed a panel of adaptive mutations potentially associated with the increased virulence. In particular, the N501Y mutation is located at the receptor binding domain (RBD) of the spike protein. The protective efficacy of a recombinant RBD vaccine candidate was validated by using this model. Thus, this mouse-adapted strain and associated challenge model should be of value in evaluating vaccines and antivirals against SARS-CoV-2.
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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.