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E-MTAB-5395

ABSTRACT: Transcription profiling by array of mouse primary myoblasts constitutively expressing Hippo pathway downstream effectors Yap or Taz against empty vector controls

PROVIDER: E-MTAB-5395 | ExpressionAtlas | 2017-02-09

REPOSITORIES: ExpressionAtlas

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			Action	DRS
	E-MTAB-5395-analysis-methods.tsv	Tabular
	E-MTAB-5395-atlasExperimentSummary.Rdata	Rdata
	E-MTAB-5395-configuration.xml	Xml
	E-MTAB-5395-percentile-ranks.tsv	Tabular
	E-MTAB-5395.condensed-sdrf.tsv	Tabular

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Regulation of gene expression by the Hippo effectors, Taz and Yap, in muscle stem cells

Project description:The Hippo pathway downstream effectors, Yap and Taz, play key roles in cell proliferation and tissue growth, regulating gene expression especially via interaction with Tead transcription factors. To investigate their role in skeletal muscle stem cells, we analysed gene expression changes driven by Taz and compared these to Yap mediated changes to the transcriptome by measurement of gene expression on Affymetrix microarrays. To interrogate overlapping and unique transcriptional changes driven by these Hippo effectors, satellite cell-derived myoblasts were transduced with constitutively active TAZ S89A or YAP S127A retrovirus for 24h or 48h, with empty retrovirus as control. Triplicate microarray analyses of empty vector controls, hYAP1 S127A and TAZ S89A transgenic primary myoblasts were conducted.

2017-06-20 | E-MTAB-5395 | biostudies-arrayexpress

Microarray analysis of gene expression regulation by Vgll3 in mouse satellite cell-derived myoblasts

Project description:Hippo effectors Yap and Taz, Vgll1-4 and Tead 1-4 transcription factors have been linked to satellite cell/ myoblast proliferation and differentiation, muscle function and disease. The molecular function of Vgll3 in skeletal muscle stem cells was investigated using analysis of gene expression by microarrays to determine Vgll3 mediated gene expression changes and compare those to previously determined Taz and Yap mediated changes. Satellite cell-derived myoblasts were transduced with Vgll3 retrovirus for 24h or 48h, with empty retrovirus vector as control. Triplicate microarray analysis of empty vector controls and Vgll3 transgenic primary myoblasts were conducted.

2019-06-17 | E-MTAB-7614 | biostudies-arrayexpress

Muscle stems cell LC-MS - Common and Distinctive Functions of the Hippo Effectors Taz and Yap in Skeletal Muscle Stem Cell Function

Project description:Abstract Hippo pathway downstream effectors Yap and Taz play key roles in cell proliferation and regeneration, regulating gene expression especially via interaction with Tead transcription factors. To investigate their role in skeletal muscle stem cells, we analysed Taz in vivo and ex vivo in comparison to Yap. Taz was expressed in activated satellite cells. siRNA knockdown or constitutive expression of wildtype or constitutively active TAZ mutants showed that TAZ promoted proliferation, a function that was shared with YAP. However, at later stages of myogenesis, TAZ also enhanced myogenic differentiation of myoblasts, whereas YAP inhibits such differentiation. Functionally, while muscle growth was mildly affected in Taz (gene symbol Wwtr1-/-) knockout mice, there were no overt effect on regeneration. However, conditional knockout of Yap in satellite cells of Pax7Cre-ERT2/+ : Yapflox/flox : Rosa26Lacz mice produced a marked regeneration deficit. To identify potential mechanisms, microarray analysis showed many common Taz/Yap targets, but Taz also regulates some genes independently of Yap, including myogenic genes such as Pax7, Myf5 and Myod1. Proteomic analysis of Yap/Taz revealed many common binding partners, but Taz also interacts with proteins distinct from Yap, that are mainly involved in myogenesis and aspects of cytoskeleton organization. Neither TAZ nor YAP bind members of the Wnt destruction complex but both extensively changed expression of Wnt and Wnt-cross talking genes with known roles in myogenesis. Finally, TAZ operates through Tead4 to enhance myogenic differentiation. In summary, Taz and Yap have overlapping functions in promoting myoblast proliferation but Taz then switches to promote myogenic differentiation.

2017-06-13 | PXD005751 | Pride

DOCK5 couples CDC42-GSK3 activation with focal adhesion morphogenesis to reinforce the establishment of polarity and promote YAP/TAZ activation during migration

Project description:YAP and TAZ are transcriptional co-activators that are often constitutively active in triple negative breast cancer (TNBC) cells. But the mechanisms responsible for YAP/TAZ dysregulation in TNBC remain unclear. We hypothesized that RhoGEF activity in TNBC cells underpins YAP/TAZ activation in TNBC cells. Through systematic RNAi screening we found that the Focal Adhesion (FA) associated RhoGEF DOCK5 promotes YAP/TAZ nuclear translocation in proliferating TNBC cells. DOCK5 is required for 2D migration and 3D invasion, acting as a coincident detector that maintains cell polarity by stabilising GSK3 activation downstream of CDC42 at polarized leading edges only where FAs are being assembled. DOCK5 and CDC42 are required for cell survival and drug resistance in TNBC cells. Based on these studies we propose that cancer cell phenotypes such as drug resistance can be driven by cells adopting polarised, migratory shapes.

2025-04-14 | PXD020102 | Pride

Transcriptome changes in human endothelial cells with constitutively active YAP, TAZ and TEAD mutants

Project description:Transcriptome profiling of human umbilical vein endothelial cells (HUVECs) overexpressing constitutively nuclear YAP (YAP S127A), TAZ (TAZ S89A) or TEAD-binding deficient YAP (YAP S94A/S127A) or TAZ (TAZ S51A/S89A) to identify YAP and TAZ target genes.

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2015-10-27 | E-GEOD-61764 | biostudies-arrayexpress

Effect of YAP overexpression on HuCCT1 cholangiocarcinoma cell line transcriptome (YAPS94A)

2016-06-30 | E-GEOD-69655 | biostudies-arrayexpress

Expression data from LoVo colon cancer lines +/- constitutive LIN28B expression

Project description:We sought to elucidate the molecular mechanisms whereby LIN28B functions by comparing the gene expression profile of cells constitutively expressing LIN28B to empty vector controls. Accordingly, we performed microarray analysis on total RNA isolated from empty vector LoVo and LIN28B-expressing LoVo colon cancer cell lines.

2010-12-29 | GSE26334 | GEO

Constitutively Active YAP/TAZ Target Genes

Project description:Constitutively Active YAP/TAZ Target Genes

| PRJNA489431 | ENA

Expression data from xenograft tumors derived from LoVo colon cancer lines +/- constitutive LIN28B expression

Project description:We sought to elucidate functions of LIN28B and potential mechanisms whereby it may promote metastasis by comparing the gene expression profile of LIN28B metastases to primary tumors. Accordingly, we performed microarray analysis on total RNA isolated from empty vector tumors, LIN28B-LoVo tumors, and LIN28B-LoVo metastases Constitutive LIN28B expression was achieved in the LoVo (ATCC #CCL-229) colon cancer cell line via retroviral transduction of MSCV-PIG-LIN28B. xenografts were produced via injection of 1x106 cells subcutaneously into the rear flanks of nude mice. Microarrays were conducted on primary tumors from empty vector and LIN28B-expressing cells, as well as metastases derived from primary tumors constitutively expressing LIN28B. (Note: metastases did not occur with empty vector tumors)

2010-12-29 | E-GEOD-26335 | biostudies-arrayexpress

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