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    • Apoptosis and p53 expression in rat adjuvant arthritis

    Metadata Updated: September 6, 2025

    The kinetics of apoptosis and the apoptosis-regulating gene p53 in adjuvant arthritis (AA) were investigated to assess the value of the AA rat model for testing apoptosis-inducing therapies. Very few terminal deoxynucleotidyl transferase-mediated deoxyuridine triphosphate (dUTP) nick end-labeling (TUNEL)-positive cells were detected during the early phases of AA, but on day 23 (chronic arthritis) the percentage of TUNEL-positive cells was significantly increased. Expression of p53 in synovial tissue gradually increased from days 5-23, which was markedly higher than p53 levels in rheumatoid arthritis (RA) synovium. Significant apoptosis only occurs late in rat AA and is concordant with marked p53 overexpression, making it useful model for testing proapoptotic therapies, but rat AA is not the best model for p53 gene therapy because dramatic p53 overexpression occurs in the latter stages of the disease.

    Access & Use Information

    Public: This dataset is intended for public access and use. License: No license information was provided. If this work was prepared by an officer or employee of the United States government as part of that person's official duties it is considered a U.S. Government Work.

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    Dates

    Metadata Created Date July 24, 2025
    Metadata Updated Date September 6, 2025

    Metadata Source

    Harvested from Healthdata.gov

    Other Data Resources

    Additional Metadata

    Resource Type Dataset
    Metadata Created Date July 24, 2025
    Metadata Updated Date September 6, 2025
    Publisher National Institutes of Health
    Maintainer
    NIH
    Identifier https://healthdata.gov/api/views/86j7-dgkk
    Data First Published 2025-07-13
    Data Last Modified 2025-09-06
    Category NIH
    Public Access Level public
    Bureau Code 009:25
    Metadata Context https://project-open-data.cio.gov/v1.1/schema/catalog.jsonld
    Metadata Catalog ID https://healthdata.gov/data.json
    Schema Version https://project-open-data.cio.gov/v1.1/schema
    Catalog Describedby https://project-open-data.cio.gov/v1.1/schema/catalog.json
    Harvest Object Id 52675256-fd4f-48a8-913f-f879a4692e47
    Harvest Source Id 651e43b2-321c-4e4c-b86a-835cfc342cb0
    Harvest Source Title Healthdata.gov
    Homepage URL https://healthdata.gov/d/86j7-dgkk
    Program Code 009:048
    Source Datajson Identifier True
    Source Hash 1e2de09e1e42649627244c6ba64c4b711e618f6ecf7738a0ceae96486067231f
    Source Schema Version 1.1

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