Cited by 278T-cell and B-cell ImmunologyTGF-β signaling in diseasesCardiac Fibrosis and Remodeling

Early-onset multifocal inflammation in the transforming growth factor beta 1-null mouse is lymphocyte mediated.

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Diebold, R J, Eis, M J, Yin, M, Ormsby, I, Boivin, G P, Darrow, B J, Saffitz, J E, Doetschman, T·1995·Proceedings of the National Academy of Sciences

Abstract

Transforming growth factor beta 1 (TGF beta 1)-null mice die fro complications due to an early-onset multifocal inflammatory disorder. We show here that cardiac cells are hyperproliferative and that intercellular adhesion molecule 1 (ICAM-1) is elevated. To determine which phenotypes are primarily caused by a deficiency in TGF beta 1 from those that are secondary to inflammation, we applied immunosuppressive therapy and genetic combination with the severe combined immunodeficiency (SCID) mutation to inhibit the inflammatory response. Treatment with antibodies to the leukocyte function-associated antigen 1 doubled longevity, reduced inflammation, and delayed heart cell proliferation. TGF beta 1-null SCID mice displayed no inflammation or cardiac cell proliferation, survived to adulthood, and exhibited normal major histocompatibility complex II (MHC II) and ICAM-1 levels. TGF beta 1-null pups born to a TGF beta 1-null SCID mother presented no gross congenital heart defects, indicating that TGF beta 1 alone does not play an essential role in heart development. These results indicate that lymphocytes are essential for the inflammatory response, cardiac cell proliferation, and elevated MHC II and ICAM-1 expression, revealing a vital role for TGF beta 1 in regulating lymphocyte proliferation and activation, which contribute to the maintenance of self tolerance.

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Crossref · 10.1073/pnas.92.26.12215

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Authors
Diebold, R. J., Eis, M. J., Yin, M., Ormsby, I., Boivin, G. P., Darrow, B. J., Saffitz, J. E., & Doetschman, T.
Affiliations
University of Cincinnati (US)
Venue
Proceedings of the National Academy of Sciences
Published
1995-12-19
Volume
92
Issue
26
Pages
12215-12219
ISSN
  • 0027-8424 (ISSN-L)
  • 1091-6490
OpenAlex
W2062353230
Cited by
278
References
18
Citations by year
2026: 2 · 2025: 4 · 2024: 5 · 2023: 3 · 2022: 5 · 2021: 2 · 2020: 7 · 2019: 3 · 2018: 9 · 2017: 5 · 2016: 7 · 2015: 3 · 2014: 6 · 2013: 3 · 2012: 11
FWCI
5.30
Type
journal article
Language
en
Open access
Locations
  • Proceedings of the National Academy of Sciences (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • National Institutes of Health (5p01hl046826-02)
  • National Heart, Lung, and Blood Institute (P01HL041496, HL46826, HL41496)
  • Eunice Kennedy Shriver National Institute of Child Health and Human Development (HD 26471, R01HD026471)
Topics
  • Life Sciences › Immunology and Microbiology › Immunology › T-cell and B-cell Immunology
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › TGF-β signaling in diseases
  • Health Sciences › Medicine › Cardiology and Cardiovascular Medicine › Cardiac Fibrosis and Remodeling
Keywords
TGF-β1, cardiomyocyte proliferation, ICAM-1, major histocompatibility complex class II, LFA-1, SCID mice, immunosuppression, congenital heart disease, self-tolerance
MeSH terms
Animals, Animals, Newborn, Antibodies, Base Sequence, Genotype, Heterozygote, Homozygote, Immunotherapy, Inflammation, Leukocyte Count, Lymphocyte Activation, Lymphocytes, Molecular Sequence Data, Myocardium, Polymerase Chain Reaction, Transforming Growth Factor beta, Severe Combined Immunodeficiency, Mice, SCID, Receptors, Antigen, T-Cell, alpha-beta, DNA Primers, CD11 Antigens, Mice

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