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Analysis of Liver Progenitor Cells Generated from Yap Expression [Set 2]

ABSTRACT: Hippo signaling is highly associated with activity in the stem cell compartment of many epithelial tissues. In this study, we examined if Hippo signaling inhibition (by inducing Yap expression) could convert differentiated cells into a progenitor like phenotype. Rosa26-lsl-YFP mice had recombination induced and cells were FACS sorted using YFP as a marker at either 1 week or 6 weeks after recombination. YFP expression is a surrogate for Yap expression (our protein of interest) and time was varied in vivo. RNA was immediately extracted after sorting and labeled to be hybridized to the array.

ORGANISM(S): Mus musculus

PROVIDER: GSE55559 | GEO | 2014/06/06

SECONDARY ACCESSION(S): PRJNA239958

REPOSITORIES: GEO

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Analysis of Liver Progenitor Cells Generated from Yap Expression [Set 2]

Project description:Hippo signaling is highly associated with activity in the stem cell compartment of many epithelial tissues. In this study, we examined if Hippo signaling inhibition (by inducing Yap expression) could convert differentiated cells into a progenitor like phenotype. Rosa26-lsl-YFP mice had recombination induced and cells were FACS sorted using YFP as a marker at either 1 week or 6 weeks after recombination. YFP expression is a surrogate for Yap expression (our protein of interest) and time was varied in vivo. RNA was immediately extracted after sorting and labeled to be hybridized to the array. FACS sorted Yap expressing liver cells were sorted one or six weeks after induction and compared to fetal liver samples as controls The control data from fetal liver samples have been previously published and is available in the GEO database as GSE12117 (GSM305568, GSM305569, GSM305570). The complete dataset representing: Yap Expressiong Liver samples and the fetal liver control Samples from Series GSE12117 (re-processed in this study), is linked below as a supplementary file.

2014-06-06 | E-GEOD-55559 | biostudies-arrayexpress

Analysis of Liver Progenitor Cells Generated from Yap Expression [Set 1]

Project description:Hippo signaling is highly associated with activity in the stem cell compartment of many epithelial tissues. In this study, we examined if Hippo signaling inhibition (by inducing Yap expression) could convert differentiated cells into a progenitor like phenotype. Organoid cells derived from mouse livers under various conditions, wild-type, Yap ON (Plus Dox), and Yap ON then OFF (Minus Dox) was examined. Comparison between freshly isolated hepatocytes; Uninduced_YPF-#.cel against Organoids grown in wild-type conditions (WT), Yap On (in vivo) off (in vitro) - YapOrganoidDoxMinus , and Yap On continuously - YapOrganoidDoxPlus. Organoids grown in culture or YFP+ sorted liver cells after the indicated time of Yap expression were collected. These were amplified using Nugene technology and hybridized to Affymetrix MoGene1.0 st arrays.

2014-06-06 | E-GEOD-55558 | biostudies-arrayexpress

Analysis of Liver Progenitor Cells Generated from Yap Expression [Set 1]

2014-06-06 | GSE55558 | GEO

mRNA-seq of Myc and Yap1-activated mouse lung tumors and controls

Project description:mRNA-seq for expression profiling of Myc and Yap1 activated mouse lung tumors and controls. 4 cohorts of lung tumors induced through nasal instillation of Cre/sgRNA(MS2)-encoding lentivirus in mice carrying conditional P53 loss (P53 F/F), oncogenic Kras (Kras LSL-G12D/+), and CRISPRa/SAM construct (Rosa26(LSL-SAM) or YFP reporter (Rosa26(LSL-YFP): 4 P53(L/L), Kras(LSL-G12D/+), Rosa26(LSL-SAM) / lenti(CMV-Cre/U6-sgRNA(Myc) (PPKS/M); 4 P53(L/L), Kras(LSL-G12D/+), Rosa26(LSL-SAM) / lenti(CMV-Cre/U6-sgRNA(Yap1) (PPKS/Y); 4 P53(L/L), Kras(LSL-G12D/+), Rosa26(LSL-SAM) / lenti(CMV-Cre/U6-sgRNA(non-targeted) (PPKS/NT); 4 P53(L/L), Kras(LSL-G12D/+), Rosa26(LSL-YFP) / lenti(CMV-Cre/U6-sgRNA(non-targeted) (PPKY/NT)

2022-08-30 | E-MTAB-11122 | biostudies-arrayexpress

Atp4b-Cre;Cdh1(fl/fl);Kras(LSL-G12D/+);Trp53(fl/fl);Rosa26(LSL-YFP/LSL-YFP) mouse stomach vs. Atp4b-Cre;Cdh1(fl/+);Kras(LSL-G12D/+);Trp53(fl/fl);Rosa26(LSL-YFP/LSL-YFP) mouse stomach microarray

Project description:We wished to investigate the role of E-cadherin loss in our mouse parietal cell/pre-parietal cell E-cadherin knock-out, p53 knock-out, oncogenic Kras induced model of gastric cancer. As such, we isolated RNA from stomach tissue from our E-cadherin knock-out model (Atp4b-Cre;Cdh1(fl/fl);Kras(LSL-G12D/+);Trp53(fl/fl);Rosa26(LSL-YFP/LSL-YFP)) and our E-cadherin heterozygous model (Atp4b-Cre;Cdh1(fl/+);Kras(LSL-G12D/+);Trp53(fl/fl);Rosa26(LSL-YFP/LSL-YFP)). We then performed a microarray on this stomach tissue from four independent mice of each genotype. Differentially expressed genes were identified and gene set overlap analysis was used to identify pathways enriched in one model over the other.

2018-05-01 | E-MTAB-5833 | biostudies-arrayexpress

Single-cell RNA sequencing of self-maintaining lamina propria macrophages

Project description:Single-cell RNA sequencing of 697 YFP+ CD64+ lamina propria macrophages isolated from Cx3cr1CreERT2.Rosa26-LSL-YFP mice 35 weeks after tamoxifen administration

2018-07-30 | E-MTAB-6976 | biostudies-arrayexpress

Characterization of the interactomes of YAP and TAZ in podocytes identifies a relation between YAP and TAZ and proteins of the nuclear shuttling machinery

Project description:The two effector proteins of the Hippo signaling pathway, YAP and TAZ, play a pivotal role in the cellular homeostasis of podocytes and in the pathogenesis of focal segmental glomerulosclerosis (FSGS). We aim to unravel the unique and redundant functions of YAP and TAZ in the podocyte by identifying podocyte-specific interactors. We generated stable heat sensitive mouse podocytes (hsMPs) carrying a single copy integration of a transgenic construct expressing a flagged version of mouse Yap (3XFLAG.YAP), Taz (3XFLAG.TAZ) or Ruby (3XFLAG.RUBY) in the Rosa26 locus. To explore the interactome of YAP and TAZ in podocytes we immunoprecipitated the tagged proteins and characterized the co-immunoprecipitated protein complexes by mass spectrometry. Within the interactome analyses of the hsMPs, we identified shared and non-shared interacting proteins between YAP and TAZ. Among these identified proteins many well established interactors of YAP and TAZ were included, like proteins of the Tead family, different angiomotins or large tumor suppressor kinase 1 (Lats1). Strikingly, among the shared proteins were numerous proteins of the nuclear shuttling machinery, like importins (Ipo), exportins (Xpo), transportins (Tnpo) and nucleoporins (Nup) that form the nuclear pore complex (NPC), such as NUP107, NUP133, NUP205 and XPO5.

2024-01-26 | PXD040448 | Pride

Transcription profiling by array of human MCF10A cells expressing YAP to identify the targets of the YAP oncogene

Project description:YAP is an oncogene and an inducer of Epithelial-to-Mesenchymal Transition (EMT). We used microarrays to detail the global program of gene expression to identify YAP target genes. PUBLICATION ABSTRACT:; The Hippo pathway defines a novel signaling cascade regulating cell proliferation and survival in Drosophila, which involves the negative regulation of the transcriptional coactivator Yorkie by the kinases Hippo and Warts. We have recently shown that the human ortholog of Yorkie, YAP, maps to a minimal amplification locus in mouse and human cancers, and that it mediates dramatic transforming activity in MCF10A primary mammary epithelial cells. Here we show that LATS proteins (mammalian orthologs of Warts) interact directly with YAP in mammalian cells and that ectopic expression of LATS1, but not LATS2, effectively suppresses the YAP phenotypes. Furthermore, shRNA-mediated knockdown of LATS1 phenocopies YAP overexpression. Since this effect can be suppressed by simultaneous YAP knockdown, it suggests that YAP is the primary target of LATS1 in mammalian cells. Expression profiling of genes induced by ectopic expression of YAP or by knockdown of LATS1 reveals a subset of potential Hippo pathway targets implicated in epithelial-to-mesenchymal transition (EMT), suggesting that this is a key feature of YAP signaling in mammalian cells. Experiment Overall Design: MCF10A cells were infected with retrovirus constructs (vector or YAP) and puromycin was used to select for transduced cells. Cells were split and grown to ~60-75%% confluency at which point they were harvested for RNA. Vector vs. YAP comparison was done in duplicate.

2008-06-11 | E-GEOD-10196 | biostudies-arrayexpress

YAP regulates cell mechanics by controlling focal adhesion assembly

Project description:Hippo effectors YAP/TAZ act as on-off mechanosensing switches by sensing modifications in extracellular matrix (ECM) composition and mechanics. The regulation of their activity has been described so far through a hierarchical model in which elements of Hippo pathway are under the control of Focal Adhesions (FAs). Here we unveiled the molecular mechanism by which cell spreading and RhoA GTPase control FA formation through YAP to stabilize the anchorage of actin cytoskeleton to cell membrane. This mechanism required YAP co-transcriptional function and involved the activation of genes encoding for integrins and FA docking proteins. Tuning YAP transcriptional activity led to the modification of cell mechanics, force development, adhesion strength, determined cell shaping, migration and differentiation. These results provide new insights into the mechanism of YAP mechanosensing activity and qualify Hippo effector as the key determinant of cell mechanics in response to ECM cues.

2017-05-17 | E-MTAB-5217 | biostudies-arrayexpress

Bulk RNA-sequencing of self-maintaining versus monocyte-replaced gut macrophages

Project description:Self-maintaining gMacs are present in the submucosal and myenteric plexus of the intestine where they maintain enteric neurons and submucosal vasculature YFP-positive and YFP-negative CD11b+, CD64+ macrophages were sorted from lamina propria and muscularis externa of Cx3cr1CreERT2.Rosa26-LSL-YFP animals, 35 weeks after tamoxifen administration. Four biological replicates each. YFP-positive and YFP-negative were compared within lamina propria and muscularis externa

2018-07-30 | E-MTAB-6977 | biostudies-arrayexpress

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