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Noggin vs BMP4 overexpression Epidermis

ABSTRACT: The study was performed to determine if there were alterations in the total RNA pool among the epidermal keratinocytes of K14 promotor-driven noggin overexpression compared with K14 promotor-driven BMP4 overexpression transgenic animals, which will directly relate to cellular chemistry and immune and sensory function. The total study is also aimed at determining alterations of transcrption factors and/or regulation of gene function, including methylation states and micro RNA control in keratinocytes following sensory challenge, particularly neuropathic and chronic pain conditions. Keywords: Comparison of RNA expression between BMP4-oex and Nog-oex transgenic epidermal keratinocytes

ORGANISM(S): Mus musculus

PROVIDER: GSE26231 | GEO | 2012/12/21

SECONDARY ACCESSION(S): PRJNA134999

REPOSITORIES: GEO

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Noggin vs BMP4 overexpression Epidermis

Project description:The study was performed to determine if there were alterations in the total RNA pool among the epidermal keratinocytes of K14 promotor-driven noggin overexpression compared with K14 promotor-driven BMP4 overexpression transgenic animals, which will directly relate to cellular chemistry and immune and sensory function. The total study is also aimed at determining alterations of transcrption factors and/or regulation of gene function, including methylation states and micro RNA control in keratinocytes following sensory challenge, particularly neuropathic and chronic pain conditions. Keywords: Comparison of RNA expression between BMP4-oex and Nog-oex transgenic epidermal keratinocytes Eight-ten epidermis strips were laser captured per animal, and six (6) animals were used per transgenic condition. Recovered RNA samples were pooled from 2 groups of 3 noggin transgenics and 2 groups of 3 BMP4 transgnics to create four pools for hybridization.

2012-12-21 | E-GEOD-26231 | biostudies-arrayexpress

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

Mus musculus

Project description:Noggin vs BMP4 overexpression Epidermis

| PRJNA134999 | ENA

Dowling-Meara experiment 2

Project description:Dowling-Meara type epidermolysis bullosa simplex (EBS-DM) is a severe blistering disease, caused by dominant mutations in either the keratin-5 (K5) or keratin-14 (K14) gene. K5 and K14 are the major components of the intermediate filament (IF) network in basal keratinocytes. Due to the dominant nature of EBS-DM, misfolded K5 or K14 proteins are incorporated into intermediate filaments, rendering them sensitive to mechanical stress. Upon trauma, these filaments disrupt and the keratinocytes lyse, leading to intra-epidermal blistering.The dominant nature of K5 and K14 mutations in EBS-DM represents a challenge to gene-therapeutic approaches. Therefore, we investigated the gene expression profile of a K14 mutant keratinocyte cell line (EBDM1) and compared it to the gene expression profile of a wild-type keratinocyte cell line (NEB1). The aim of this study was to identify differentially regulated genes as potential therapeutic targets for the development of new therapies.

2013-07-23 | E-MTAB-1641 | biostudies-arrayexpress

BMP4 effect on gene expression program in human primary epidermal keratinocytes and dermal fibroblasts

Project description:BMP signalling is a potent regulator of skin morphogenesis, homeostasis and remodelling. However, molecular mechanisms underlying its involvement in regulating gene expression programs in keratinocytes and fibroblasts remain largely unknown. We analyzed the effect of BMP4 tratment on gene expression programs in human primary epidermal keratinocyte and dermal fibroblasts cultures. We identified specific changes in gene expression programs for each cell type. The primary human epidermal keratinocytes and dermal fibroblasts were treated with recombinant BMP4 or solvent control for 8 hours to reveal early and intermediate response genes. The RNA was isolated and used for micro-array analysis. Changes in gene expression programs were analyzed for each cell type and were compared between cell types.

2009-06-15 | E-GEOD-16111 | biostudies-arrayexpress

Dowling-Meara experiment 1

Project description:Dowling-Meara type epidermolysis bullosa simplex (EBS-DM) is a severe blistering disease, caused by dominant mutations in either the keratin-5 (K5) or keratin-14 (K14) gene. K5 and K14 are the major components of the intermediate filament (IF) network in basal keratinocytes. Due to the dominant nature of EBS-DM, misfolded K5 or K14 proteins are incorporated into intermediate filaments, rendering them sensitive to mechanical stress. Upon trauma, these filaments disrupt and the keratinocytes lyse, leading to intra-epidermal blistering. The dominant nature of K5 and K14 mutations in EBS-DM represents a challenge to gene therapeutic approaches. Therefore, we investigated the gene expression profile of a K14 mutant keratinocyte cell line (KEB7) and compared it to the gene expression profile of a wild-type keratinocyte cell line (NEB1). The aim of this study was to identify differentially regulated genes as potential therapeutic targets for the development of new therapies.

2013-07-23 | E-MTAB-1640 | biostudies-arrayexpress

Affymetrix Gene Expression array data for Tcl1 mouse model samples

Project description:Tcl1 is known to be involved in survival, proliferation and differentiation of human lymphocytes and mouse embryonic stem cells. Loss of Tcl1 gene in the KO mouse model affects skin integrity inducing alopecia and ulcerations. The study used epidermal keratinocytes from wild type (WT), Tcl1 knock down (KO) and K14-driven TCL1 transgenic (TGKO) mouse models to investigate the role of Tcl1 gene in the skin homeostasis. Our data indicate that Tcl1 loss mainly induces a decrease in the gene expression of keratinocytes, which is largely rescued by K14-TCL1. GO analysis revealed Tcl1 to be involved in the proliferation and differentiation of mouse keratinocytes. Moreover, pathway analysis identifies growth factor and MAPK signaling to be highly implicated.

2018-08-10 | GSE118345 | GEO

A novel epidermal-specific role for arginase1 during cutaneous wound repair

Project description:Non-healing wounds are a major area of unmet clinical need that remain problematic to treat; therefore, improved understanding of pro-healing mechanisms is invaluable. The enzyme arginase1 is involved in pro-healing responses with its role in macrophages best-characterised. Arginase1 is also expressed by keratinocytes; however, the function of arginase1 in these critical wound repair cells is not understood. We characterised arginase1 expression in keratinocytes during normal cutaneous repair and reveal de novo temporal and spatial expression at the epidermal wound edge. Interestingly, epidermal arginase1 expression was decreased in both human and murine delayed healing wounds. We, therefore, generated a keratinocyte specific arginase1-null mouse model (K14-cre;Arg1fl/fl) to explore arginase function. Wound repair, linked to changes in keratinocyte proliferation, migration and differentiation, was significantly delayed in K14-cre;Arg1fl/flmice. Gene expression was studied by microarray.

2021-07-07 | E-MTAB-10213 | biostudies-arrayexpress

The Pitx2:miR-200c/141:noggin pathway regulates BMP signaling and ameloblast differentiation

Project description:The mouse incisor is a remarkable tooth that grows throughout the animal’s lifetime. This continuous renewal is fueled by epithelial stem cells that give rise to ameloblasts, which generate enamel, and little is known about the function of specific miRNAs in this process. Here we describe the role of a novel Pitx2:miR-200c/141:Noggin regulatory pathway in dental epithelial cell differentiation. miR-200c repressed noggin, an antagonist of Bmp signaling. Pitx2 expression caused an up-regulation of miR-200c and chromatin immunoprecipitation (ChIP) assays revealed endogenous Pitx2 binding to the miR-200c/141 promoter. A positive feedback loop was discovered between miR-200c and Bmp signaling. miR-200c/141 induced expression of E-cadherin and the dental epithelial cell differentiation marker, amelogenin. In addition, miR-203 expression was activated by endogenous Pitx2 and targeted the Bmp antagonist Bmper to further regulate Bmp signaling. miR-200c/141 knockout mice showed defects in enamel formation with decreased E-cadherin and amelogenin expression and increased noggin expression. Our in vivo and in vitro studies reveal a multistep transcriptional program involving the Pitx2:miR-200c/141:Noggin regulatory pathway that is important in epithelial cell differentiation and tooth development.

2013-07-09 | GSE48583 | GEO

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