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The basic helix-loop-helix transcription factor, dHAND, is required for vascular development

Open access
Yamagishi, Hiroyuki, Olson, Eric N., Srivastava, Deepak·2000·Journal of Clinical Investigation

Abstract

Reciprocal interactions between vascular endothelial cells and vascular mesenchymal cells are essential for angiogenesis. Here we show that the basic helix-loop-helix transcription factor, dHAND/Hand2, is expressed in the developing vascular mesenchyme and its derivative, vascular smooth muscle cells (VSMCs). Targeted deletion of the dHAND gene in mice revealed severe defects of embryonic and yolk sac vascular development by embryonic day 9.5. Vascular endothelial cells expressed most markers of differentiation. Vascular mesenchymal cells migrated appropriately but failed to make contact with vascular endothelial cells and did not differentiate into VSMCs. In a screen for genes whose expression was dependent upon dHAND (using subtractive hybridization comparing wild-type and dHAND-null hearts), the VEGF(165) receptor, neuropilin-1, was found to be downregulated in dHAND mutants. These results suggest that dHAND is required for vascular development and regulates angiogenesis, possibly through a VEGF signaling pathway.

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Metadata

Authors
Yamagishi, H., Olson, E. N., & Srivastava, D.
Venue
Journal of Clinical Investigation
Published
2000-02-01
Volume
105
Issue
3
Pages
261-270
ISSN
0021-9738 (ISSN-L)
OpenAlex
W2098282196
Cited by
160
References
6
FWCI
5.63
Type
journal article
Language
en
Open access
bronze

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CoChat. (2026). Citation check: The basic helix-loop-helix transcription factor, dHAND, is required for vascular development. https://app.cochat.ai/papers/10.1172/jci8856
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Yamagishi, H., Olson, E. N., & Srivastava, D. (2000). The basic helix-loop-helix transcription factor, dHAND, is required for vascular development. Journal of Clinical Investigation. https://doi.org/10.1172/jci8856

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.