Pericyte Loss and Microaneurysm Formation in PDGF-B-Deficient Mice
Open accessAbstract
Platelet-derived growth factor (PDGF)–B–deficient mouse embryos were found to lack microvascular pericytes, which normally form part of the capillary wall, and they developed numerous capillary microaneurysms that ruptured at late gestation. Endothelial cells of the sprouting capillaries in the mutant mice appeared to be unable to attract PDGF-Rβ–positive pericyte progenitor cells. Pericytes may contribute to the mechanical stability of the capillary wall. Comparisons made between PDGF null mouse phenotypes suggest a general role for PDGFs in the development of myofibroblasts.
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Pericyte-deficient mouse models caused by aberrant PDGF-BB/PDGFRβ signaling exhibit impaired BBB formation and maintenance.
“Pericytedeficient mouse models caused by aberrant PDGF-BB/ PDGFR𝛃 signaling (365, 419, 436, 570, 575) exhibit impaired BBB formation (28, 59, 130) and maintenance (59, 436).”
From Blood-Brain Barrier: From Physiology to Disease and Back (2019) · cites this paper as [365]
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- Authors
- Lindahl, P., Johansson, B. R., Levéen, P., & Betsholtz, C.
- Affiliations
- University of Gothenburg (SE)
- P. Lindahl, P. Levéen, C. Betsholtz, Department of Medical Biochemistry, University of Göteborg, Medicinaregatan 9A, S-413 90 Göteborg, Sweden.
- Corresponding author
- Betsholtz, Christer
- Venue
- Science
- Published
- 1997-07-11
- Volume
- 277
- Issue
- 5323
- Pages
- 242-245
- ISSN
- 0036-8075 (ISSN-L)
- 1095-9203
- OpenAlex
- W1973418567
- Cited by
- 2,226
- References
- 0
- Citations by year
- 2026: 42 · 2025: 52 · 2024: 67 · 2023: 67 · 2022: 67 · 2021: 87 · 2020: 90 · 2019: 87 · 2018: 87 · 2017: 91 · 2016: 65 · 2015: 105 · 2014: 86 · 2013: 111 · 2012: 87
- FWCI
- 27.84
- Type
- journal article
- Language
- en
- Open access
- hybrid
- doi.org
- Licence
- cc-by
- Locations
- Science (publishedVersion, cc-by)
- PubMed (publishedVersion)
- Topics
- Life Sciences › Neuroscience › Neurology › Barrier Structure and Function Studies
- Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Angiogenesis and VEGF in Cancer
- Life Sciences › Neuroscience › Developmental Neuroscience › Neurogenesis and neuroplasticity mechanisms
- Keywords
- platelet-derived growth factor B, pericytes, PDGF receptor beta, endothelial cells, capillary development, embryonic lethality
- MeSH terms
- Aneurysm, Animals, Brain, Capillaries, Cell Movement, Endothelium, Vascular, Hemorrhage, Mice, Inbred C57BL, Mutation, Platelet-Derived Growth Factor, Proto-Oncogene Proteins, Stem Cells, Signal Transduction, Up-Regulation, Receptors, Platelet-Derived Growth Factor, Neovascularization, Physiologic, Proto-Oncogene Proteins c-sis, Receptor Protein-Tyrosine Kinases, Receptor, Platelet-Derived Growth Factor beta, Receptor, TIE-2, Mice
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