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Smad1 and its target gene Wif1 coordinate BMP and Wnt signaling activities to regulate lung development

ABSTRACT: Bone morphogenetic protein 4 (BMP4) is essential for lung development. To define its intracellular signaling mechanisms by which BMP4 regulates lung development, BMP-specific Smad1 or Smad5 was selectively knocked out in fetal mouse lung epithelial cells. Abrogation of lung epithelial-specific Smad1, but not Smad5, resulted in retardation of lung branching morphogenesis and reduced sacculation, accompanied by altered distal lung epithelial cell proliferation and differentiation, and consequently severe neonatal respiratory failure. By combining cDNA microarray with ChIP-chip analyses, Wnt inhibitory factor-1 (Wif1) was identified as a novel target gene of Smad1 in the developing mouse lung epithelial cells. Loss of Smad1 transcriptional activation of Wif1 expression was associated with reduced Wif1 expression and increased Wnt/beta-catenin signaling activity in lung epithelia, resulting in specific fetal lung abnormalities. Therefore, a novel regulatory loop of BMP4-Smad1-Wif1-Wnt/beta-catenin in coordinating BMP and Wnt pathways to control fetal lung development is suggested. mRNA profiling: Total RNA was isolated from left lobe lungs of three pair of E18.5 wild type and Smad1 lung epithelium-specific conditional knockout mice

ORGANISM(S): Mus musculus

SUBMITTER: Wei Shi

PROVIDER: E-GEOD-26502 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Smad1 and its target gene Wif1 coordinate BMP and Wnt signaling activities to regulate lung development

Project description:Bone morphogenetic protein 4 (BMP4) is essential for lung development. To define its intracellular signaling mechanisms by which BMP4 regulates lung development, BMP-specific Smad1 or Smad5 was selectively knocked out in fetal mouse lung epithelial cells. Abrogation of lung epithelial-specific Smad1, but not Smad5, resulted in retardation of lung branching morphogenesis and reduced sacculation, accompanied by altered distal lung epithelial cell proliferation and differentiation, and consequently severe neonatal respiratory failure. By combining cDNA microarray with ChIP-chip analyses, Wnt inhibitory factor-1 (Wif1) was identified as a novel target gene of Smad1 in the developing mouse lung epithelial cells. Loss of Smad1 transcriptional activation of Wif1 expression was associated with reduced Wif1 expression and increased Wnt/beta-catenin signaling activity in lung epithelia, resulting in specific fetal lung abnormalities. Therefore, a novel regulatory loop of BMP4-Smad1-Wif1-Wnt/beta-catenin in coordinating BMP and Wnt pathways to control fetal lung development is suggested.

2011-01-07 | GSE26502 | GEO

Lineage regulators direct BMP and Wnt pathways to cell-specific programs during differentiation and regeneration

Project description:This SuperSeries is composed of the following subset Series: GSE29193: Genome-wide location analysis of BMP (SMAD1) in mouse erythroid progenitors co-occupted with lineage specific regulators (GATA1, GATA2) GSE29194: Genome-wide location analysis of WNT (Tcf7l2) and BMP (SMAD1) in human hematopoeitic progenitors co-occupied with lineage specific regulators (GATA1, GATA2) GSE29195: Genome-wide location analysis of WNT (Tcf7l2) and BMP (SMAD1) in human hematopoeitic cell lines co-occupied with lineage specific regulators (GATA1, GATA2, CEBPA) Refer to individual Series

2011-10-06 | E-GEOD-29196 | biostudies-arrayexpress

Genomic integration of Wnt/b-catenin and BMP/Smad1 coordinates the transcriptional program of foregut and hindgut progenitors [RNA-seq]

Project description:Digestive system development is orchestrated by combinatorial signaling interactions between endoderm and mesoderm, but how they are integrated in the genome is poorly understood. Here we identified the Xenopus foregut and hindgut progenitor transcriptomes, which are largely conserved with mammals. Using RNA-seq and ChIP-seq we show that BMP/Smad1 regulates dorsal-ventral gene expression in both the endoderm and mesoderm, whereas Wnt/b-catenin acts as a genome-wide toggle between foregut and hindgut programs. In addition to b-catenin-Tcf promoting hindgut gene transcription, we unexpectedly observed Wnt-repressed foregut genes associated with b-catenin-binding to DNA lacking Tcf motifs, suggesting a novel direct repression. We define how BMP and Wnt signaling are integrated in the genome with Smad1 and β-catenin co-occupying DNA elements associated with hundreds of key regulatory genes. These results extend our understanding of GI organogenesis and how Wnt and BMP may coordinate genomic responses in other contexts.

2017-02-28 | GSE87653 | GEO

Genomic integration of Wnt/b-catenin and BMP/Smad1 coordinates the transcriptional program of foregut and hindgut progenitors [ChIP-seq]

2017-02-28 | GSE87652 | GEO

Mus musculus

Project description:Smad1 and its target gene Wif1 coordinate BMP and Wnt signaling activities to regulate lung development

| PRJNA136675 | ENA

Effect of BMP4 and noggin on gene expression in murine R1 ES cells

Project description:To confirm that the SMAD1/5- and SMAD4-associated genes are direct transcriptional regulators in mESCs in response to BMP, we treated undifferentiated R1 ES cells with BMP4 or with the BMP4 antagonist noggin, which can inhibit BMP signaling effectively for 4 h. Undifferentiated R1 ES cells were treated for 4 h with BMP4 or with the BMP4 antagonist noggin, which can inhibit BMP signaling effectively. Untreated R1 ES cells served as the control.

2010-03-07 | E-GEOD-20527 | biostudies-arrayexpress

Effect of BMP4 and noggin on gene expression in murine R1 ES cells

2010-03-01 | GSE20527 | GEO

Histone arginine methylation by Prmt5 is required for lung branching morphogenesis through repression of BMP signaling

Project description:Branching morphogenesis is essential for the successful development of a functional lung to accomplish its gas exchange function. Although many studies have highlighted requirements for the bone morphogenetic protein (BMP) signaling pathway during branching morphogenesis, little is known about how BMP signalingis regulated. Here we report that the protein arginine methyltransferase 5 (Prmt5) and symmetric dimethylation at histone H4 arginine 3 (H4R3sme2) directly associate with chromatin of Bmp4 to suppress its transcription. Inactivation of Prmt5 in the lung epithelium results in halted branching morphogenesis, altered epithelial cell differentiation and neonatal lethality. These defects are accompanied by increased apoptosis and reduced proliferation of lung epithelium, as a consequence of elevated canonical BMP-Smad1/5/9 signaling. Inhibition of BMP signaling by Noggin rescues the lung branching defects of Prmt5 mutant in vitro. Taken together, our results identify a novel mechanism through which Prmt5-mediated histone arginine methylation represses canonical BMP signaling to regulate lung branching morphogenesis.

2024-05-23 | GSE229423 | GEO

BMP4 triggers regulatory circuits specifying the cardiac mesoderm lineage

Project description:Cardiac lineage specification in the mouse is controlled by TGFβ and WNT signaling. From fly to fish, BMP has been identified as an indispensable heart inducer. A detailed analysis of the role of Bmp4 and its effectors Smad1/5, however, was still missing. We show that Bmp4 induces cardiac mesoderm formation in murine embryonic stem cells in vitro. Bmp4 first activates Wnt3 and upregulates Nodal. pSmad1/5 and the WNT effector Tcf3 form a complex, and together with pSmad2/3 activate mesoderm enhancers and Eomes. They then cooperate with Eomes to consolidate the expression of many mesoderm factors, including T. Eomes and T form a positive feedback loop and open additional enhancers regulating early mesoderm genes, including the transcription factor Mesp1 establishing the cardiac mesoderm lineage. In parallel, the neural fate is suppressed. Our data confirm the pivotal role of Bmp4 in cardiac mesoderm formation in the mouse. We describe in detail the consecutive and cooperative actions of three signaling pathways, BMP, WNT and Nodal, and their effector transcription factors, during cardiac mesoderm specification.

2023-05-03 | GSE168580 | GEO

Enterococcus faecium activates BMP/SMAD-mediated osteoblastogenesis and Wnt mediated neurogenesis while inhibiting PD

Project description:Parkinson's disease (PD) is characterized by motor and non-motor symptoms, including muscle atrophy, bone deterioration, and neurodegeneration, largely attributed to dopamine depletion. However, the molecular mechanisms underlying brain, muscle, and bone dysfunctions in patients with PD remain poorly understood. This study explored gene expression patterns associated with neuroinflammation, muscle degeneration, and osteoblastogenesis and to evaluate the therapeutic potential of Enterococcus faecium FBL1 supplementation. En. faecium FBL1 significantly improved motor function and attenuated α-synuclein aggregation in the brain and muscle. Key markers of skeletal muscle differentiation (Myf5, MyoG, Myh1), osteoblastogenesis (Bmp2, Bmp4, SMAD1/5/8, RUNX2), and neurogenesis (Wnt3a, β-catenin, TCF1, LEF1) were downregulated in MPTP-induced PD but restored by En. faecium FBL1. This study highlights the pivotal role of osteoblastogenic (BMP/SMAD signaling) and neurogenic (Wnt signaling) pathways in maintaining muscle and bone homeostasis in PD. En. faecium FBL1 offers a novel therapeutic approach targeting the BMP/SMAD and Wnt signaling pathways to mitigate muscle and bone degeneration in patients with PD.

2024-12-22 | GSE284676 | GEO

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