Cited by 88Proteoglycans and glycosaminoglycans researchCellular Mechanics and InteractionsBone and Dental Protein Studies

Extracellular matrix alterations in brains lacking four of its components

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Rauch, Uwe, Zhou, Xiao-Hong, Roos, Gunnel·2005·Biochemical and Biophysical Research Communications

Abstract

The organization of the brain extracellular matrix appears to be based on aggregates of hyaluronan and proteoglycans, connected by oligomeric glycoproteins. Mild phenotypical consequences were reported from several mouse strains lacking components of this matrix such as neurocan, brevican, tenascin-R, and tenascin-C. To further challenge the flexibility of the extracellular matrix network of the brain, mice lacking all four brain extracellular matrix molecules were generated, which were found to be viable and fertile. Analysis of the brains of 1-month-old quadruple KO mice revealed increased protein levels of fibulin-1 and fibulin-2. Histochemical analysis showed an unusual parenchymal deposition of these fibulins. The quadruple KO mice also displayed obvious changes in the pattern of deposition of hyaluronan. Further, an almost quadruple knockout like extracellular environment was noticed in the brains of triple knockout mice lacking both tenascins and brevican, since these brains had strongly reduced levels of neurocan.

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Crossref · 10.1016/j.bbrc.2005.01.026

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Authors
Rauch, U., Zhou, X.-H., & Roos, G.
Affiliations
Lund University (SE)
Corresponding author
Rauch, Uwe
Venue
Biochemical and Biophysical Research Communications
Publisher
Elsevier BV
Published
2005-03
Volume
328
Issue
2
Pages
608-617
ISSN
0006-291X (ISSN-L)
OpenAlex
W2086582222
Cited by
88
References
51
Citations by year
2025: 2 · 2024: 4 · 2023: 4 · 2022: 5 · 2021: 3 · 2020: 4 · 2019: 3 · 2018: 1 · 2017: 7 · 2016: 5 · 2015: 1 · 2014: 5 · 2013: 4 · 2012: 2
FWCI
3.66
Type
journal article
Language
en
Open access
Locations
  • Biochemical and Biophysical Research Communications (publishedVersion)
  • PubMed (publishedVersion)
  • Lund University Publications (Lund University) (submittedVersion, other-oa)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cell Biology › Proteoglycans and glycosaminoglycans research
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cell Biology › Cellular Mechanics and Interactions
  • Health Sciences › Medicine › Rheumatology › Bone and Dental Protein Studies
Keywords
brain extracellular matrix, neurocan, brevican, tenascin-R, tenascin-C, fibulin-1, fibulin-2, proteoglycans, triple knockout mice
MeSH terms
Animals, Brain, Calcium-Binding Proteins, Extracellular Matrix, Hyaluronic Acid, Nerve Tissue Proteins, Chondroitin Sulfate Proteoglycans, Tissue Distribution, Extracellular Matrix Proteins, Mice, Knockout, Tenascin, Lectins, C-Type, Mice, Neurocan, Brevican

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