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Plasticity of Hopx+ Type I alveolar cells to regenerate Type II cells in the lung

ABSTRACT: Hopx is a transcription co-factor expressed during lung development and we wanted to profile Hopx +/+ and -/- embyonic lungs. Results inform the role of Hopx in embryonic lung development

ORGANISM(S): Mus musculus

PROVIDER: GSE65755 | GEO | 2015/02/10

SECONDARY ACCESSION(S): PRJNA274956

REPOSITORIES: GEO

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Plasticity of Hopx+ Type I alveolar cells to regenerate Type II cells in the lung

Project description:Hopx is a transcription co-factor expressed during lung development and we wanted to profile Hopx +/+ and -/- embyonic lungs. Results inform the role of Hopx in embryonic lung development We used microarrays to profile the transcriptome of Hopx -/- lungs compared to Hopx +/+ lungs. Lungs were microdissected and three biological replicates were used for each genotype.

2015-02-10 | E-GEOD-65755 | biostudies-arrayexpress

Plasticity of Hopx(+) type I alveolar cells to regenerate type II cells in the lung.

Project description: Not available

| S-EPMC4396689 | biostudies-literature

Lung adenocarcinoma metastasis is suppressed by the alveolar lineage transcription factors GATA6 and HOPX.

Project description:Molecular programs that mediate normal cell differentiation are required for oncogenesis and tumor cell survival in certain types of cancers. How cell lineage restricted genes specifically influence metastatic progression is poorly defined. In lung cancers, we uncovered an alveolar cell-selective transcriptional program that preferentially correlates with lung adenocarcinoma metastasis. This program is required for epithelial specification in the distal airways and is partially regulated by the lineage transcription factors GATA6 and HOPX. These factors cooperatively restrain the metastatic competence of adenocarcinoma cells, without affecting their survival, through the modulation of alveologenic and invasogenic target genes. Thus, GATA6 and HOPX are critical nodes in a lineage-selective pathway that directly links alveolar cell fate with metastasis suppresion in the lung adenocarcinoma subtype. mRNA profiles of human lung Adenocarcinoma PC9 cell lines infected with lentivirus harboring shRNA of control (Arab1) and shRNA of both GATA6 and HOPX were generated by deep sequencing, in triplicate, using Illumina HiSeq2000.

2013-06-10 | E-GEOD-39121 | biostudies-arrayexpress

Lung adenocarcinoma metastasis is suppressed by the alveolar lineage transcription factors GATA6 and HOPX.

Project description:Molecular programs that mediate normal cell differentiation are required for oncogenesis and tumor cell survival in certain cancers. How cell-lineage-restricted genes specifically influence metastasis is poorly defined. In lung cancers, we uncovered a transcriptional program that is preferentially associated with distal airway epithelial differentiation and lung adenocarcinoma (ADC) progression. This program is regulated in part by the lineage transcription factors GATA6 and HOPX. These factors can cooperatively limit the metastatic competence of ADC cells, by modulating overlapping alveolar differentiation and invasogenic target genes. Thus, GATA6 and HOPX are critical nodes in a lineage-selective pathway that directly links effectors of airway epithelial specification to the inhibition of metastasis in the lung ADC subtype.

2013-06-10 | GSE39121 | GEO

Persistence of effector memory Th1 cells is regulated by the homeobox only protein Group1 Hopx-/-, Group2 Hopx+/-, Group3 Hopx+/+

Project description:Hopx appears to be needed for persistence of Th1 effector memory cells. IFN-gamma-producing Th cells are significantly reduced in Hopx-deficient mice compared to Hopx-expressing littermates and Hopx-deficient Th1 cells show a defective persistence upon adoptive transfer. Moreover, Hopx protects Th1 cells from Fas-mediated cell death in vitro. To further dissect the role of Hopx and to identify target genes of Hopx, we have performed transcriptome analysis to compare gene expression in Hopx-deficient versus Hopx-competent Th1 cells. In agreement with the role of Hopx in supporting survival of Th1 effector memory cells, anti-apoptotic cells were up-regulated and pro-apoptotic genes were down-regulated in Hopx-competent compared to Hopx-deficient Th1 cells.

2010-09-30 | GSE24437 | GEO

Next generation sequencing for quantitative transcriptomic analysis of Hopx-wildtype and Hopx-knockout murine bone marrow cells.

Project description:We generated Hopx conditional knockout mouse (Hopx-/-) and studied the biological effects of Hopx knockout on the hematopoietic system, via whole-transcriptome RNA-seq. The findigns of our studies support crucial roles of Hopx in physiological and malignant hematopoiesis.

2023-02-18 | GSE145476 | GEO

Next generation sequencing for quantitative transcriptomic analysis of subpopulations of BM cells from young Hopx-wildtype and Hopx-knockout mice.

Project description:Hopx conditional knockout mouse (Hopx-/-) was generated. We then studied the biological effects of Hopx knockout on the hematopoietic system of young mice, via whole-transcriptome RNA-seq.

2023-02-18 | GSE145507 | GEO

Role of Hopx in myogenesis and commitment [HopxKO]

Project description:Progenitor cells require coordinated expression of lineage-specific genes to regulate differentiation into daughter cell types. Hopx labels cardiac progenitors that are commited to the cardiac myocyte lineage. Hopx-deficiency leads to thin myocardium in approximately mid-gestation lethality in approximately 50% of embryos (secondary to thin myocardium and presumed cardiac rupture). Hopx-/- EBs display impaired myogenesis during cardiac differentiation. ChIP-seq and RNA expression analysis suggests that Hopx down regulates Wnt signaling by directly occupying and repressing wnt ligand genes. Analysis of embryoid bodies on day 8 of cardiac differentiation. RNA was made of from 1. Hopx +/- embryoid bodies, 2. Hopx -/- embryoid bodies, Embryonic stem cell lines were derived from littermate mouse blastocysts. Results provide insight into gene programs regulated by Hopx in cardiac development.

2015-06-01 | GSE67253 | GEO

Competitive regulation of HOPX transcription governs cardiomyocyte maturation

Project description:This study establishes the homeodomain only protein, HOPX, as a determinant controlling the molecular switch between cardiomyocyte progenitor and maturation gene programs. This dataset is about time-course CAGE (capped analysis of gene expression) data with genome-wide active transcription footprinting. HOPX CRISPRi cells were differentiated into cardiomyocytes ± DOX and analyzed by CAGE sequencing, among other methods. The study revealed that HOPX interacts with and controls core cardiac networks by regulating the activity of mutually exclusive developmental gene programs.

2022-05-21 | E-MTAB-11719 | biostudies-arrayexpress

Role of Hopx in myogenesis and commitment [HopxKO+Wnt]

Project description:Progenitor cells require coordinated expression of lineage-specific genes to regulate differentiation into daughter cell types. Hopx labels cardiac progenitors that are commited to the cardiac myocyte lineage. Hopx-deficiency leads to thin myocardium in approximately mid-gestation lethality in approximately 50% of embryos (secondary to thin myocardium and presumed cardiac rupture). Hopx-/- EBs display impaired myogenesis during cardiac differentiation. ChIP-seq and RNA expression analysis suggests that Hopx down regulates Wnt signaling by directly occupying and repressing wnt ligand genes. Analysis of embryoid bodies on day 8 of cardiac differentiation. RNA was made of from Hopx +/- embryoid bodies or Hopx -/- embryoid bodies treated with 12.5 uM XAV939. Heterozygous embryoid bodies included 0 uM XAV939, a well-characterized, known Wnt inhibitor. Embryonic stem cell lines were derived from littermate mouse blastocysts. Results provide insight into gene programs regulated by Hopx in cardiac development.

2015-06-01 | GSE67252 | GEO

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