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Correlation between gene expression responses to FUS, EWS, and TAF15 reduction and the stress granule sequestering capacity

ABSTRACT: Analysis of differentially expressed genes after siRNA mediated knock-down of the FET-family of proteins; the FUS, EWS, and TAF15 proteins. The FET-proteins are thought to function as transcription factors, and this hypothesis is tested in the present study. Results provide important information of the genes which expression are controlled by the FET-family of proteins. Total RNA obtained HEK293-cells transfected with siRNA targeted against the FUS, EWS, or TAF15 mRNA, or a combination of all three of them. Control cells are transfected with an equal amount of unspecific siRNA without known targets.

ORGANISM(S): Homo sapiens

SUBMITTER: Yonglun Luo

PROVIDER: E-GEOD-35578 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Correlation between gene expression responses to FUS, EWS, and TAF15 reduction and the stress granule sequestering capacity

Project description:Analysis of differentially expressed genes after siRNA mediated knock-down of the FET-family of proteins; the FUS, EWS, and TAF15 proteins. The FET-proteins are thought to function as transcription factors, and this hypothesis is tested in the present study. Results provide important information of the genes which expression are controlled by the FET-family of proteins.

2012-02-07 | GSE35578 | GEO

Identification of FET-oncoprotein-interacting proteins by immunoprecipitation and mass spectrometry analysis in sarcoma cell lines

Project description:The FET family of fusion oncogenes carry one of the three genes, FUS, EWSR1 or TAF15, as 5’‑partners juxtaposed to one of many different DNA binding transcription factor genes as 3’‑partners. FET fusion oncogenes are pathognomonic for many types of sarcoma and leukemia, such as FUS-DDIT3 in myxoid liposarcoma (MLS) and EWSR1-FLI1 in Ewing sarcoma (EWS). We used recombinant FET N-terminal domains in a pulldown screen to find interaction partners to the FET proteins and identified components of the SWI/SNF complex. The ~2 MDa SWI/SNF chromatin remodeling complex utilizes energy from ATP hydrolysis to remodel nucleosomes and expose DNA. We used immunoprecipitation followed by mass spectrometry or western blot analysis to extensively characterize the interaction between FET fusion oncoproteins and the SWI/SNF complex.

2019-03-13 | PXD012680 | Pride

Distinct and shared functions of ALS-associated TDP-43, FUS, and TAF15 revealed by comprehensive multi-system integrative analyses [array]

Project description:TDP-43, FUS, and TAF15 are implicated in amyotrophic lateral sclerosis (ALS) and frontotemporal dementia. We integrate CLIP-seq and RNA Bind-N-Seq technologies to discover that TAF15 binds to ~4,900 RNAs enriched for GGUA motifs. In the mouse brain, TAF15 and FUS, but not TDP-43, exhibit strikingly similar RNA binding profiles, yet they alter the expression of distinct mRNA populations upon their individual depletions. TAF15 has a minimal role in alternative splicing and instead affects RNA turnover, consistent with an enrichment of TAF15 binding sites in 3â untranslated regions. In human stem cell-derived motor neurons, loss of both TAF15 and FUS affected mRNAs distinct from those altered by loss of either protein alone, revealing redundant roles for TAF15 and FUS in maintaining mRNA levels. Furthermore, concomitant rather than individual depletion of TAF15 and FUS more closely resembles RNA profiles of motor neurons derived from FUS R521G ALS patients or from late-stage, sporadic ALS patients. Our study reveals convergent and divergent mechanisms by which FUS, TAF15 and TDP-43 affects RNA metabolism in neurological disease. RNA-seq, CLIP-seq and arrays in mouse and human against TAF15 knockdowns This Series represents array sample(s).

2016-07-05 | E-GEOD-77699 | biostudies-arrayexpress

Distinct and shared functions of ALS-associated TDP-43, FUS, and TAF15 revealed by comprehensive multi-system integrative analyses [RNA-Seq_human]

Project description:TDP-43, FUS, and TAF15 are implicated in amyotrophic lateral sclerosis (ALS) and frontotemporal dementia. We integrate CLIP-seq and RNA Bind-N-Seq technologies to discover that TAF15 binds to ~4,900 RNAs enriched for GGUA motifs. In the mouse brain, TAF15 and FUS, but not TDP-43, exhibit strikingly similar RNA binding profiles, yet they alter the expression of distinct mRNA populations upon their individual depletions. TAF15 has a minimal role in alternative splicing and instead affects RNA turnover, consistent with an enrichment of TAF15 binding sites in 3â?? untranslated regions. In human stem cell-derived motor neurons, loss of both TAF15 and FUS affected mRNAs distinct from those altered by loss of either protein alone, revealing redundant roles for TAF15 and FUS in maintaining mRNA levels. Furthermore, concomitant rather than individual depletion of TAF15 and FUS more closely resembles RNA profiles of motor neurons derived from FUS R521G ALS patients or from late-stage, sporadic ALS patients. Our study reveals convergent and divergent mechanisms by which FUS, TAF15 and TDP-43 affects RNA metabolism in neurological disease. RNA-seq, CLIP-seq and arrays in mouse and human against TAF15 knockdowns This Series represents RNA-seq sample(s).

2016-07-05 | E-GEOD-77702 | biostudies-arrayexpress

Distinct and shared functions of ALS-associated TDP-43, FUS, and TAF15 revealed by comprehensive multi-system integrative analyses [RNA-Seq_mouse]

2016-07-05 | E-GEOD-77703 | biostudies-arrayexpress

Distinct and shared functions of ALS-associated TDP-43, FUS, and TAF15 revealed by comprehensive multi-system integrative analyses [RNA-Seq_Stability]

2016-07-05 | E-GEOD-77704 | biostudies-arrayexpress

TAF15 amyloid filaments in neurodegenerative disease

Project description:Frontotemporal dementia (FTD) is the most common form of dementia after Alzheimer's disease and results from frontotemporal lobar degeneration (FTLD). The pathological hallmarks of FTLD are neuronal inclusions of specific, abnormally assembled proteins1. In the majority of cases, the inclusions contain amyloid filament assemblies of TAR DNA-binding protein 43 (TDP-43) or tau, with distinct filament structures characterising different FTLD subtypes2,3. The presence, identities and structures of amyloid filaments in the remaining ~10% of FTLD cases are unknown, but are widely believed to be composed of the protein fused in sarcoma (FUS). As such, these cases are commonly referred to as FTLD-FUS. Here, we used cryogenic electron microscopy (cryo-EM) to determine the structures of amyloid filaments extracted from the prefrontal and temporal cortices of four individuals with FTLD-FUS. Unexpectedly, we found abundant amyloid filaments of the FUS homologue TATA-binding protein-associated factor 15 (TAF15), rather than of FUS itself. The filament fold is formed from residues 7 to 99 in the low-complexity domain (LCD) of TAF15 and was identical between individuals. The formation of TAF15 amyloid filaments with a characteristic fold in FTLD establishes TAF15 proteinopathy in neurodegenerative disease. Furthermore, we found TAF15 filaments with the same fold in the motor cortex and brainstem of two of the individuals, who also showed changes associated with amyotrophic lateral sclerosis (ALS), suggesting that TAF15 proteinopathy may underlie a disease spectrum of FTLD and ALS. The structure of TAF15 amyloid filaments provides a basis for the development of model systems of neurodegenerative disease, as well as for the design of diagnostic and therapeutic tools targeting TAF15 proteinopathy.

2023-12-07 | PXD044821 | Pride

Regulation of exon definition and apoptosis by the Ewing's Sarcoma Protein

Project description:The Ewing's Sarcoma Protein EWS belongs to the TET family (FUS/TLS, EWS, TAF15) of RNA and DNA binding proteins, implicated in DNA transcription, pre-mRNA splicing and maintenance of genome integrity. To identify in vivo RNA targets of EWS we performed a combinatorial approach of CLIP-Seq In this dataset, we include the expression data obtained from three biological replicates of HeLa cells transfected with either scrambled or siEWS oligonucleotides. These data allowed us to identify 805 genes affected at the expression level by EWS knockdown, of which 395 upregulated and 410 downregulated. Moreover, HJAY identified 206 differentially regulated alternative splicing events in 114 genes. Three biological replicates were labeled and hybridized onto Affymetrix HJAY

2014-01-01 | E-GEOD-47790 | biostudies-arrayexpress

Distinct and shared functions of ALS-associated TDP-43, FUS, and TAF15 revealed by comprehensive multi-system integrative analyses [array]

Project description:TDP-43, FUS, and TAF15 are implicated in amyotrophic lateral sclerosis (ALS) and frontotemporal dementia. We integrate CLIP-seq and RNA Bind-N-Seq technologies to discover that TAF15 binds to ~4,900 RNAs enriched for GGUA motifs. In the mouse brain, TAF15 and FUS, but not TDP-43, exhibit strikingly similar RNA binding profiles, yet they alter the expression of distinct mRNA populations upon their individual depletions. TAF15 has a minimal role in alternative splicing and instead affects RNA turnover, consistent with an enrichment of TAF15 binding sites in 3’ untranslated regions. In human stem cell-derived motor neurons, loss of both TAF15 and FUS affected mRNAs distinct from those altered by loss of either protein alone, revealing redundant roles for TAF15 and FUS in maintaining mRNA levels. Furthermore, concomitant rather than individual depletion of TAF15 and FUS more closely resembles RNA profiles of motor neurons derived from FUS R521G ALS patients or from late-stage, sporadic ALS patients. Our study reveals convergent and divergent mechanisms by which FUS, TAF15 and TDP-43 affects RNA metabolism in neurological disease.

2016-07-05 | GSE77699 | GEO

Distinct and shared molecular targets and functions of ALS-associated TDP-43, FUS, and TAF15 revealed by comprehensive multi-system integrative analyses [CLIP-Seq]

Project description:TDP-43, FUS, and TAF15 are implicated in amyotrophic lateral sclerosis (ALS) and frontotemporal dementia. We integrate CLIP-seq and RNA Bind-N-Seq technologies to discover that TAF15 binds to ~4,900 RNAs enriched for GGUA motifs. In the mouse brain, TAF15 and FUS, but not TDP-43, exhibit strikingly similar RNA binding profiles, yet they alter the expression of distinct mRNA populations upon their individual depletions. TAF15 has a minimal role in alternative splicing and instead affects RNA turnover, consistent with an enrichment of TAF15 binding sites in 3â?? untranslated regions. In human stem cell-derived motor neurons, loss of both TAF15 and FUS affected mRNAs distinct from those altered by loss of either protein alone, revealing redundant roles for TAF15 and FUS in maintaining mRNA levels. Furthermore, concomitant rather than individual depletion of TAF15 and FUS more closely resembles RNA profiles of motor neurons derived from FUS R521G ALS patients or from late-stage, sporadic ALS patients. Our study reveals convergent and divergent mechanisms by which FUS, TAF15 and TDP-43 affects RNA metabolism in neurological disease. RNA-seq, CLIP-seq and arrays in mouse and human against TAF15 knockdowns This Series represents CLIP-seq sample(s).

2016-07-05 | E-GEOD-77700 | biostudies-arrayexpress

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