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Cited by 262

The DOI matches its Crossref record; 58 of the 58 references it cites were found in a registry or an index.

Morphogenesis of the right ventricle requires myocardial expression of Gata4

Open access
Zeisberg, Elisabeth M., Ma, Qing, Juraszek, Amy L., Moses, Kelvin, Schwartz, Robert J., Izumo, Seigo, Pu, William T.·2005·Journal of Clinical Investigation

Abstract

Mutations in developmental regulatory genes have been found to be responsible for some cases of congenital heart defects. One such regulatory gene is Gata4, a zinc finger transcription factor. In order to circumvent the early embryonic lethality of Gata4-null embryos and to investigate the role of myocardial Gata4 expression in cardiac development, we used Cre/loxP technology to conditionally delete Gata4 in the myocardium of mice at an early and a late time point in cardiac morphogenesis. Early deletion of Gata4 by Nkx2-5Cre resulted in hearts with striking myocardial thinning, absence of mesenchymal cells within the endocardial cushions, and selective hypoplasia of the RV. RV hypoplasia was associated with downregulation of Hand2, a transcription factor previously shown to regulate formation of the RV. Cardiomyocyte proliferation was reduced, with a greater degree of reduction in the RV than in the LV. Late deletion of Gata4 by Cre recombinase driven by the alpha myosin heavy chain promoter did not selectively affect RV development or generation of endocardial cushion mesenchyme but did result in marked myocardial thinning with decreased cardiomyocyte proliferation, as well as double-outlet RV. Our results demonstrate a general role of myocardial Gata4 in regulating cardiomyocyte proliferation and a specific, stage-dependent role in regulating the morphogenesis of the RV and the atrioventricular canal.

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Metadata

Authors
Zeisberg, E. M., Ma, Q., Juraszek, A. L., Moses, K., Schwartz, R. J., Izumo, S., & Pu, W. T.
Venue
Journal of Clinical Investigation
Published
2005-06-01
Volume
115
Issue
6
Pages
1522-1531
ISSN
0021-9738 (ISSN-L)
OpenAlex
W2099140108
Cited by
262
References
58
FWCI
7.03
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: Morphogenesis of the right ventricle requires myocardial expression of Gata4. https://app.cochat.ai/papers/10.1172/jci23769
The paper
Zeisberg, E. M., Ma, Q., Juraszek, A. L., Moses, K., Schwartz, R. J., Izumo, S., & Pu, W. T. (2005). Morphogenesis of the right ventricle requires myocardial expression of Gata4. Journal of Clinical Investigation. https://doi.org/10.1172/jci23769

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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.