Cited by 73Wnt/β-catenin signaling in development and cancerDevelopmental Biology and Gene RegulationHedgehog Signaling Pathway Studies

Tbx2 and Tbx3 Act Downstream of Shh to Maintain Canonical Wnt Signaling during Branching Morphogenesis of the Murine Lung

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Lüdtke, Timo H., Rudat, Carsten, Wojahn, Irina, Weiss, Anna-Carina, Kleppa, Marc-Jens, Kurz, Jennifer, Farin, Henner F., Moon, Anne +2 more·2016·Developmental Cell

Abstract

Numerous signals drive the proliferative expansion of the distal endoderm and the underlying mesenchyme during lung branching morphogenesis, but little is known about how these signals are integrated. Here, we show by analysis of conditional double mutants that the two T-box transcription factor genes Tbx2 and Tbx3 act together in the lung mesenchyme to maintain branching morphogenesis. Expression of both genes depends on epithelially derived Shh signaling, with additional modulation by Bmp, Wnt, and Tgfβ signaling. Genetic rescue experiments reveal that Tbx2 and Tbx3 function downstream of Shh to maintain pro-proliferative mesenchymal Wnt signaling, in part by direct repression of the Wnt antagonists Frzb and Shisa3. In combination with our previous finding that Tbx2 and Tbx3 repress the cell-cycle inhibitors Cdkn1a and Cdkn1b, we conclude that Tbx2 and Tbx3 maintain proliferation of the lung mesenchyme by way of at least two molecular mechanisms: regulating cell-cycle regulation and integrating the activity of multiple signaling pathways.

Integrity signals

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Crossref · 10.1016/j.devcel.2016.08.007

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  • Upregulation of pioneer developmental organizers such as SOX2, KLF4, β-catenin, SNAIL-1, c-MYC, TBX3, and BCL6 is reported downstream of BRAF/MAPK-driven tumor.

    “Even upregulation of pioneer developmental organizers, such as SOX2, KLF4, β-catenin, SNAIL-1, c-MYC, TBX3, BCL6, et al., are reported downstream of BRAF/MAPK-driven tumor, the pathways causing lineage reprogramming are not clear12,15,30–36.”
  • TBX3 and TBX2 are closely entangled in other regulatory programs, such as Wnt and Hedgehog signaling, and both are essential for proper limb, lung, and ureter development.

    “TBX3 and TBX2 are closely entangled in other regulatory programs, such as Wnt and Hedgehog signaling, and both are essential for proper limb [8], lung [9], and ureter development [10].”
  • Redundancy between Tbx3 and Tbx2 to compensate for each other has been reported in several organs.

    “Interestingly, redundancy between Tbx3 and Tbx2 to compensate for each other has been reported in several organs [9, 10].”
  • Tbx3 interacts with certain parts of the Wnt and Hedgehog signaling pathways.

    “Interestingly, Tbx3 interacts with certain parts of the Wnt and Hedgehog signaling pathways [8–10].”

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Authors
Lüdtke, T. H., Rudat, C., Wojahn, I., Weiss, A.-C., Kleppa, M.-J., Kurz, J., Farin, H. F., Moon, A., Christoffels, V. M., & Kispert, A.
Affiliations
  • Medizinische Hochschule Hannover (DE)
  • University of Utah (US)
  • Amsterdam UMC Location University of Amsterdam (NL)
Corresponding author
Kispert, Andreas
Venue
Developmental Cell
Publisher
Elsevier BV
Published
2016-10
Volume
39
Issue
2
Pages
239-253
ISSN
1534-5807 (ISSN-L)
OpenAlex
W2530410463
Cited by
69
References
56
Citations by year
2026: 1 · 2025: 6 · 2024: 9 · 2023: 9 · 2022: 7 · 2021: 10 · 2020: 3 · 2019: 13 · 2018: 4 · 2017: 7
FWCI
4.16
Type
journal article
Language
en
Open access
Locations
  • Developmental Cell (publishedVersion)
  • PubMed (publishedVersion)
  • Pure Amsterdam UMC (publishedVersion, other-oa)
  • Data Archiving and Networked Services (DANS) (submittedVersion)
Funders
Deutsche Forschungsgemeinschaft (DFG KI728/11)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Wnt/β-catenin signaling in development and cancer
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Developmental Biology and Gene Regulation
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Hedgehog Signaling Pathway Studies
Keywords
TBX2, TBX3, lung branching morphogenesis, Wnt/β-catenin signaling, Sonic hedgehog signaling, lung mesenchyme, BMP signaling, TGF-beta signaling, FRZB, p21, p27, cell cycle regulation, mesenchymal cell proliferation, signaling pathway integration
MeSH terms
Frizzled-Related Proteins, Animals, Female, Glycoproteins, Humans, Lung, Male, Mesoderm, Morphogenesis, Repressor Proteins, Transforming Growth Factor beta, Bone Morphogenetic Proteins, T-Box Domain Proteins, Intracellular Signaling Peptides and Proteins, Cell Proliferation, Mice, Hedgehog Proteins, Wnt Signaling Pathway

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