Cited by 182Congenital heart defects researchDevelopmental Biology and Gene RegulationSignaling Pathways in Disease

The DOI matches its Crossref record; 53 of the 53 references it cites were found in a registry or an index.

Nfatc1 Coordinates Valve Endocardial Cell Lineage Development Required for Heart Valve Formation

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Abstract

Rationale: Formation of heart valves requires early endocardial to mesenchymal transformation (EMT) to generate valve mesenchyme and subsequent endocardial cell proliferation to elongate valve leaflets. Nfatc1 (nuclear factor of activated T cells, cytoplasmic 1) is highly expressed in valve endocardial cells and is required for normal valve formation, but its role in the fate of valve endocardial cells during valve development is unknown. Objective: Our aim was to investigate the function of Nfatc1 in cell-fate decision making by valve endocardial cells during EMT and early valve elongation. Methods and Results: Nfatc1 transcription enhancer was used to generate a novel valve endocardial cell–specific Cre mouse line for fate-mapping analyses of valve endocardial cells. The results demonstrate that a subpopulation of valve endocardial cells marked by the Nfatc1 enhancer do not undergo EMT. Instead, these cells remain within the endocardium as a proliferative population to support valve leaflet extension. In contrast, loss of Nfatc1 function leads to enhanced EMT and decreased proliferation of valve endocardium and mesenchyme. The results of blastocyst complementation assays show that Nfatc1 inhibits EMT in a cell-autonomous manner. We further reveal by gene expression studies that Nfatc1 suppresses transcription of Snail1 and Snail2, the key transcriptional factors for initiation of EMT. Conclusions: These results show that Nfatc1 regulates the cell-fate decision making of valve endocardial cells during valve development and coordinates EMT and valve elongation by allocating endocardial cells to the 2 morphological events essential for valve development.

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Crossref · 10.1161/circresaha.111.245035

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Metadata

Authors
Wu, B., Wang, Y., Lui, W., Langworthy, M., Tompkins, K. L., Hatzopoulos, A. K., Baldwin, H. S., & Zhou, B.
Affiliations
Albert Einstein College of Medicine (US)
Venue
Circulation Research
Published
2011-07-08
Volume
109
Issue
2
Pages
183-192
ISSN
  • 0009-7330 (ISSN-L)
  • 1524-4571
OpenAlex
W2157780291
Cited by
182
References
53
Citations by year
2026: 9 · 2025: 3 · 2024: 13 · 2023: 12 · 2022: 14 · 2021: 15 · 2020: 14 · 2019: 12 · 2018: 16 · 2017: 6 · 2016: 15 · 2015: 14 · 2014: 16 · 2013: 10 · 2012: 12
FWCI
5.06
Type
journal article
Language
en
Open access
Locations
  • Circulation Research (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • National Institutes of Health (1f32hl007881-01)
  • National Heart, Lung, and Blood Institute (HL104441, R01HL078881, HL07881, HL07881S, U01HL100398, RL1 HL0952551, R21HL104444)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Congenital heart defects research
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Developmental Biology and Gene Regulation
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Signaling Pathways in Disease
Keywords
NFATc1, heart valve development, cell fate determination, SNAI1, Snail2, transcriptional repression, fate mapping, cell proliferation
MeSH terms
Snail Family Transcription Factors, Animals, Endocardium, Heart Valves, Morphogenesis, Transcription Factors, Transcription, Genetic, Gene Expression Regulation, Developmental, Cell Lineage, Organogenesis, NFATC Transcription Factors, Mice, Epithelial-Mesenchymal Transition

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