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  • mRNA booster vaccination protects aged mice against the SARS-CoV-2 Omicron variant
    UMB Dataset

    Authors
    Etsuro Nanishi
    Marisa E. McGrath
    Timothy R. O’Meara
    Soumik Barman
    17 more author(s)...
    Description

    This study investigates multiple vaccine strategies to enhance immunogenicity and protection against SARS-CoV-2 in aged mice. The study aims to determine the effect of a booster dose, with an emphasis on older age. Female three and eleven-month-old BALB/c mice were studied over the course of 38 weeks. Mice received BNT162b2 SARS-CoV-2 spike mRNA vaccine series, primary vaccination series, and mock Phosphate-buffered saline (PBS) injections. Single mouse experiments aimed to include 20 mice per group. Sample size and age criteria were chosen empirically based on the results of previous studies. Mice were randomly assigned to different treatment groups.

    Subject
    COVID-19/prevention & control
    Viral Vaccines/genetics
    Access Rights
    Unrestricted access
    Local Experts
    Matthew B. Frieman

  • Refinement of a Live Attenuated Salmonella enterica Serovat Newport Vaccine with Improved Safety
    UMB Dataset

    Description

    Non-typhoidal Salmonella (NTS) is responsible for approximately 93 million cases of gastroenteritis annually. Little research has been directed towards a development of vaccines against Salmonella serogroups O:6,7 or O:8. Researchers constructed a live attenuated serogroup O:8 vaccine, CVS 1979, by deleting guaBA, htrA, and aroA from the genome of S. Newport. Over the course of 6 weeks, 6 to 8-week-old female BALB/c mice were immunized with live attenuated S. Newport vaccine CVD 1979 or sterile phosphate buffered saline (PBS) three times. Four weeks after the last immunization, mice were challenged intraperitoneally (i.p.) with wild-type Salmonella strains to assess the homologous and heterologous protection elicited by the live attenuated S. Newport vaccine CVD 1979.

    Subject
    Salmonella Vaccines
    Vaccine Development
    Access Rights
    Unrestricted access

  • Comparison of In Vivo Expression Levels of IL-4 and IL-4d2 in Mouse Lung Tissue
    UMB Dataset

    Alternate Title(s)
    Comparison of In Vivo Expression Levels of IL-4 and IL-4 delta2 in Mouse Lung Tissue
    Authors
    Sergei P. Atamas
    Irina G. Luzina
    Virginia Lockatell
    Nevins W. Todd
    3 more author(s)...
    Description

    The primary goal of this project was to compare in vivo gene expression levels of the cytokine, IL-4, and its natural splice variant, IL-4δ2, in the lungs of mice. Intratracheal replication-deficient adenovirus-mediated gene delivery of mouse IL-4 or IL-4δ2 was utilized to create three mice overexpressing IL-4 and three overexpressing IL-4δ2 in their lungs. An additional three mice were similarly infected with control AdV-NULL virus not encoding a cytokine. 14 days postinfection, lung tissue was homogenized, total RNA extracted, and results analyzed. The data demonstrate that IL-4 and its splice variant differentially affect global gene expression which has implications for the use of targeted therapy for various diseases. The dataset consists of 9 microarray data tables corresponding to each of the samples. Additionally, a supplementary TAR file of the raw data is also available to download.

    Subject
    Gene Expression Profiling
    Microarray Analysis
    Timeframe
    2010
    Access Rights
    Unrestricted access

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