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Gene expression profiling of anterior and posterior palatal tissue from Tgfbr2 mutant mouse models

ABSTRACT: The overall goal of this project is to investigate the role of TGF-beta signaling in epithelial cells as it pertains to the orientation of muscle fibers in the soft palate during embryogenesis. Here, we first conducted gene expression profiling of the anterior and posterior portions of the palate from wild-type mice. In addition, we also conducted gene expression profiling of the posterior palate in mutant mice with an epithelium-specific conditional inactivation of the Tgfbr2 gene. The latter mice provide a model of submucosal cleft palate, which is a congenital birth defect commonly observed in many syndromic conditions.

ORGANISM(S): Mus musculus

PROVIDER: GSE46211 | GEO | 2013/10/01

SECONDARY ACCESSION(S): PRJNA198069

REPOSITORIES: GEO

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Gene expression profiling of anterior and posterior palatal tissue from Tgfbr2 mutant mouse models

Project description:The overall goal of this project is to investigate the role of TGF-beta signaling in epithelial cells as it pertains to the orientation of muscle fibers in the soft palate during embryogenesis. Here, we first conducted gene expression profiling of the anterior and posterior portions of the palate from wild-type mice. In addition, we also conducted gene expression profiling of the posterior palate in mutant mice with an epithelium-specific conditional inactivation of the Tgfbr2 gene. The latter mice provide a model of submucosal cleft palate, which is a congenital birth defect commonly observed in many syndromic conditions. To investigate the adverse effects of dysfunctional TGF-Beta signaling on tissue-tissue interaction between the palatal epithelium and myofibers during palatogenesis, we analyzed mice with an epithelial cell-specific conditional inactivation of Tgfbr2 (Tgfbr2fl/fl;K14-Cre). We performed microarray analyses of anterior palatal tissue and posterior palatal tissue of E15.5 Tgfbr2fl/fl control mice (n=5, each region), and posterior palatal tissue of Tgfbr2fl/fl;K14-Cre mutant mice, collected at embryonic day 15.5 (n=5). Control samples and mutant samples are from separate litters.

2013-10-01 | E-GEOD-46211 | biostudies-arrayexpress

Gene expression profiling of primary mouse embryonic palatal mesenchymal cells in Tgfbr2 mutant mouse models

2013-10-01 | GSE46150 | GEO

Gene expression profiling of primary mouse embryonic palatal mesenchymal cells in Tgfbr2 mutant mouse models

Project description:The overall goal of this project is to investigate the role of TGF-beta signaling in regulating the cellular metabolism of cranial neural crest (CNC) cells during palate development. Here, we conducted gene expression profiling of primary mouse embryonic palatal mesenchymal (MEPM) cells from wild type mice as well as those with a neural crest specific conditional inactivation of the Tgfbr2 gene. The latter mice provide a model of cleft palate, which is among the most common congenital birth defects and observed in many syndromic conditions. To investigate the adverse effects of dysfunctional TGF-Beta signaling on the cellular metabolism of palatal mesenchyme during palatogenesis, we analyzed mice with a neural crest cell-specific conditional inactivation of Tgfbr2 (Tgfbr2fl/fl;Wnt1-Cre). We performed microarray analyses of primary mouse embryonic palatal mesenchymal cells of Tgfbr2fl/fl;Wnt1-Cre mutant mice and Tgfbr2fl/fl control mice, collected at embryonic day 13.5 (n=4 per genotype) and cultured with standard media (DMEM with supplements). Cells were collected after 2 passages.

2013-10-01 | E-GEOD-46150 | biostudies-arrayexpress

Gene expression profiling of Tgfbr2 mutant mouse models of cleft palate

Project description:The overall goal of this project is to investigate the role of TGF-beta signaling in palate development in order to discover candidate therapeutics for preventing and treating congenital birth defects. Here, we conducted gene expression profiling of embryonic palatal tissue from wild type mice as well as those with a neural crest specific conditional inactivation of the Tgfbr2 gene. The latter mice provide a model of cleft palate formation. To investigate the mechanism of cleft palate resulting from mutations in TGFBR2, we analyzed neural crest specific conditional inactivation of Tgfbr2 in mice (Tgfbr2fl/fl;Wnt1-Cre). We performed microarray analyses using the palatal tissue of Tgfbr2fl/fl;Wnt1-Cre mice at embryonic day E13.5 (prior to palatal fusion, n=6 per genotype) and E14.5 (during palatal fusion, n=5 per genotype) to examine the genes regulated by Tgf-beta during palate formation.

2011-11-29 | E-GEOD-22989 | biostudies-arrayexpress

Gene expression profiling of Tgfbr2 mutant mouse models of cleft palate

2011-11-29 | GSE22989 | GEO

Gene expression profiling of the palate in Erk2 mutant mouse models

2015-12-11 | GSE67087 | GEO

NSCLP-Twins

Project description:this study analyzes the WGBS of twins discordant for non syndromic cleft lip and palate

2021-04-24 | GSE173211 | GEO

Genome-wide maps of chromatin state in Shox2-domained anterior and Shox2-free posteior palatal tissues in the developing palate.

Project description:To characterize the anterior palate-specific chromatin landscape of the distal Shox2-binding sites, we conducted Shox2 ChIP-Seq again in parallel with H3K27ac ChIP-Seq on the Shox2+ domain anterior palate and the Shox2- posterior palate. Integrative analysis of the Shox2 and H3K27ac ChIP-Seq datasets and aggregate plots of binding signals of H3K27ac in the anterior and posterior palate, respectively, versus the summits of Shox2 binding sites showed close association of Shox2 binding peak with enriched H3K27ac in the anterior palate but not the posterior palate, indicate that Shox2 occupancy is highly related to active enhancer elements.

2019-10-23 | GSE138721 | GEO

Gene expression profiling of the palate in Erk2 mutant mouse models

Project description:The overall goal of this project is to investigate the role of Erk2-mediated signaling in regulating the cellular metabolism of cranial neural crest (CNC) cells during palate development. Here, we conducted gene expression profiling of palate tissue from wild type mice as well as those with a neural crest specific conditional inactivation of the Erk2 gene. The latter mice exhibit micrognathia, tongue defects and cleft palate, which is among the most common congenital birth defects and observed in many syndromic conditions. To investigate the adverse effects of dysfunctional ERK signaling on the cellular metabolism of palatal mesenchyme during palatogenesis, we analyzed mice with a neural crest cell-specific conditional inactivation of Erk2 (Erk2fl/fl;Wnt1-Cre). We performed microarray analyses of primary mouse embryonic palatal mesenchymal cells of Erk2fl/fl;Wnt1-Cre mutant mice and Erk2fl/fl control mice, collected at embryonic day 13.5 (n=3 per genotype) and E14.5 (n=5 per genotype).

2015-12-11 | E-GEOD-67087 | biostudies-arrayexpress

Single-cell RNA-seq reveals distinct gene expression profiles underlying the cellular heterogeneity of Shox2-positve palatal cells

Project description:We use single cell RNA-sequencing to profile palatal mesenchyme cells from Shox2Cre/+;R26RmTmG at E13.5. Haploinsufficiency of MEIS2 is associated with cleft palate in humans and Meis2 inactivation leads to abnormal palate development in mice, implicating an essential role for Meis2 in palate development. However, its functional mechanisms remain unknown. In this study, we found widespread Meis2 expression in the developing palate in mice. Meis2 inactivation by Wnt1Cre in cranial neural crest cells led to the cleft of the secondary palate. Importantly, about half of Wnt1Cre;Meis2f/f mice exhibited submucous cleft, providing an excellent model for studying palatal bone formation and patterning. Consistent with a complete absence of the palatal bones, integrative analyses of Meis2 ChIP-seq, RNA-seq, and ATAC-seq results identified key osteogenic genes that are regulated directly by Meis2, indicating the fundamental role of Meis2 in palatal osteogenesis. De novo motif analysis discovered that the Meis2-bound regions possess highly enriched binding motifs of several key osteogenic transcription factors particularly Shox2. Comparison of Meis2 and Shox2 ChIP-seq analyses further revealed a genome-wide co-occupancy, in addition to their co-localization in the developing palate and physical interaction, suggesting that Shox2 and Meis2 act as partners. However, while Shox2 is required for proper palatal bone formation and is a direct downstream target of Meis2, Shox2 overexpression failed to rescue the palatal bone defects in Meis2 mutant background. These results, together with the facts that Meis2 expression is associated with high osteogenic potential and is required for the chromatin accessibility of osteogenic genes, support a vital function of Meis2 in setting up the ground state for palatal osteogenesis.

2020-03-23 | GSE143913 | GEO

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