Cited by 614Connective tissue disorders researchCollagen: Extraction and CharacterizationCellular Mechanics and Interactions

Type III collagen is crucial for collagen I fibrillogenesis and for normal cardiovascular development

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Liu, Xin, Wu, Hong, Byrne, Michael, Krane, Stephen, Jaenisch, Rudolf·1997·Proceedings of the National Academy of Sciences

Abstract

Type III collagen is a fibrillar forming collagen comprising three α1(III) chains and is expressed in early embryos and throughout embryogenesis. In the adult, type III collagen is a major component of the extracellular matrix in a variety of internal organs and skin. Mutations in the COL3A1 gene have been implicated as a cause of type IV Ehlers–Danlos syndrome, a disease leading to aortic rupture in early adult life. To directly study the role of Col3a1 in development and disease, we have inactivated the Col3a1 gene in embryonic stem cells by homologous recombination. The mutated allele was transmitted through the mouse germ line and homozygous mutant animals were derived from heterozygous intercrosses. About 10% of the homozygous mutant animals survived to adulthood but have a much shorter life span compared with wild-type mice. The major cause of death of mutant mice was rupture of the major blood vessels, similar to patients with type IV Ehlers–Danlos syndrome. Ultrastructural analysis of tissues from mutant mice revealed that type III collagen is essential for normal collagen I fibrillogenesis in the cardiovascular system and other organs.

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Crossref · 10.1073/pnas.94.5.1852

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Authors
Liu, X., Wu, H., Byrne, M., Krane, S., & Jaenisch, R.
Affiliations
Harvard University (US)
Venue
Proceedings of the National Academy of Sciences
Published
1997-03-04
Volume
94
Issue
5
Pages
1852-1856
ISSN
  • 0027-8424 (ISSN-L)
  • 1091-6490
OpenAlex
W2079738970
Cited by
614
References
28
Citations by year
2026: 25 · 2025: 26 · 2024: 38 · 2023: 25 · 2022: 31 · 2021: 35 · 2020: 41 · 2019: 25 · 2018: 32 · 2017: 34 · 2016: 22 · 2015: 27 · 2014: 26 · 2013: 27 · 2012: 18
FWCI
5.07
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 (5r35ca044339-13, 5p01ar003564-38)
  • National Cancer Institute (R-35-CA44339)
  • National Institute of Arthritis and Musculoskeletal and Skin Diseases (AR-3564)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Connective tissue disorders research
  • Physical Sciences › Materials Science › Biomaterials › Collagen: Extraction and Characterization
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cell Biology › Cellular Mechanics and Interactions
Keywords
type III collagen, COL3A1, cardiovascular development, Ehlers-Danlos syndrome type IV, aortic rupture, mouse mutants, extracellular matrix, lifespan, vascular rupture
MeSH terms
Animals, Aorta, Cardiovascular System, Cells, Cultured, Collagen, Disease Models, Animal, Ehlers-Danlos Syndrome, Histocytochemistry, Mice, Transgenic, Microscopy, Electron, Myocardium, Skin, Stem Cells, Blotting, Southern, Restriction Mapping, Sequence Deletion, Gene Targeting, Mice

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