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Cited by 562

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Defective development of the embryonic and extraembryonic circulatory systems in vascular cell adhesion molecule (VCAM-1) deficient mice

Kwee, Lia, Baldwin, H. Scott, Shen, Hong Min, Stewart, Colin L., Buck, Catherine, Buck, Clayton A., Labow, Mark A.·1995·Development

Abstract

VCAM-1 is a cytokine-inducible cell surface protein capable of mediating adhesion to leukocytes expressing α4 integrins. Mice deficient in VCAM-1 expression were produced by targeted homologous recombination in ES cells. VCAM-1-deficient embryos were not viable and exhibited either of two distinct phenotypes. Approximately half of the embryos died before embryonic day 11.5 and exhibited a severe defect in placental development in which the allantois failed to fuse with the chorion. The remaining VCAM-1-deficient embryos survived to embryonic day 11.5-12.5 and displayed several abnormalities in their developing hearts including a reduction of the compact layer of the ventricular myocardium and intraventricular septum. The hearts also contained significant amounts of blood in the pericardial space and lacked an epicardium. α4 and VCAM-1 were found to be expressed in wild-type embryos in a reciprocal fashion in the chorion and allantois and in the epicardium and the underlying myocardium, although VCAM-1 was expressed in the intraventricular septum in the absence of adjacent α4-expressing cells. These data suggest important roles for VCAM-1 and α4 in the development of the placenta and the heart.

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Crossref · 10.1242/dev.121.2.489

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Metadata

Authors
Kwee, L., Baldwin, H. S., Shen, H. M., Stewart, C. L., Buck, C., Buck, C. A., & Labow, M. A.
Venue
Development
Published
1995-02-01
Volume
121
Issue
2
Pages
489-503
ISSN
  • 0950-1991 (ISSN-L)
  • 1477-9129
OpenAlex
W2155412985
Cited by
562
References
0
FWCI
8.83
Type
journal article
Language
en
Open access
closed

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