The DOI matches its Crossref record; 49 of the 49 references it cites were found in a registry or an index.
Compositional and structural requirements for laminin and basement membranes during mouse embryo implantation and gastrulation
Abstract
Laminins are components of all basement membranes and have well demonstrated roles in diverse developmental processes, from the peri-implantation period onwards. Laminin 1 (α1β1γ1) is a major laminin found at early stages of embryogenesis in both embryonic and extraembryonic basement membranes. The laminin γ1 chain has been shown by targeted mutation to be required for endodermal differentiation and formation of basement membranes; Lamc1-/- embryos die within a day of implantation. We report the generation of mice lacking lamininα1 and laminin β1, the remaining two laminin 1 chains. Mutagenic insertions in both Lama1 and Lamb1 were obtained in a secretory gene trap screen. Lamb1-/- embryos are similar to Lamc1-/- embryos in that they lack basement membranes and do not survive beyond embryonic day (E) 5.5. However, in Lama1-/- embryos, the embryonic basement membrane forms,the embryonic ectoderm cavitates and the parietal endoderm differentiates,apparently because laminin 10 (α5β1γ1) partially compensates for the absent laminin 1. However, such compensation did not occur for Reichert's membrane, which was absent, and the embryos died by E7. Overexpression of laminin α5 from a transgene improved the phenotype of Lama1-/- embryos to the point that they initiated gastrulation, but this overexpression did not rescue Reichert's membrane, and trophoblast cells did not form blood sinuses. These data suggest that both the molecular composition and the integrity of basement membranes are crucial for early developmental events.
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Cites
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A new nomenclature for the laminins
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Self-citationMutations in the laminin α2–chain gene (LAMA2) cause merosin–deficient congenital muscular dystrophy
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Biomarkers for epithelial-mesenchymal transitions
Zeisberg, M., & Neilson, E. G. (2009) · Journal of Clinical Investigation · doi:10.1172/jci36183 · Cited by 2,299
The extracellular matrix in development and morphogenesis: A dynamic view
Rozario, T., & DeSimone, D. W. (2010) · Developmental Biology · doi:10.1016/j.ydbio.2009.10.026 · Cited by 1,451
Basement Membranes: Cell Scaffoldings and Signaling Platforms
Yurchenco, P. D. (2011) · Cold Spring Harbor Perspectives in Biology · doi:10.1101/cshperspect.a004911 · Cited by 959
LAMININ FUNCTIONS IN TISSUE MORPHOGENESIS
Miner, J. H., & Yurchenco, P. D. (2004) · Annual Review of Cell and Developmental Biology · doi:10.1146/annurev.cellbio.20.010403.094555 · Cited by 757
Self-citationThe Vascular Basement Membrane: A Niche for Insulin Gene Expression and β Cell Proliferation
Nikolova, G., Jabs, N., Konstantinova, I., Domogatskaya, A., Tryggvason, K., Sorokin, L., Fässler, R., Gu, G., Gerber, H.-P., Ferrara, N., et al. (2006) · Developmental Cell · doi:10.1016/j.devcel.2006.01.015 · Cited by 511
Metadata
- Authors
- Miner, J. H., Li, C., Mudd, J. L., Go, G., & Sutherland, A. E.
- Venue
- Development
- Publisher
- The Company of Biologists
- Published
- 2004-05-15
- Volume
- 131
- Issue
- 10
- Pages
- 2247-2256
- ISSN
- 0950-1991 (ISSN-L)
- 1477-9129
- OpenAlex
- W2144345918
- Cited by
- 342
- References
- 49
- FWCI
- 8.20
- Type
- journal article
- Language
- en
- Open access
- closed
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