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Functional Antagonism Between CELF and Mbnl Proteins in Cytoplasm and Nucleus

ABSTRACT: This SuperSeries is composed of the SubSeries listed below.

ORGANISM(S): Mus musculus synthetic construct

PROVIDER: GSE61893 | GEO | 2014/12/01

SECONDARY ACCESSION(S): PRJNA262626

REPOSITORIES: GEO

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Functional Antagonism Between CELF and Mbnl Proteins in Cytoplasm and Nucleus [hearts]

Project description:The CUG-BP and ETR-3-like factor 1 (Celf1) RNA binding protein plays an important role in heart and muscle development, and is over-expressed in the disease myotonic dystrophy. Celf1 has known roles in regulation of RNA splicing, RNA stability, and protein translation. To identify transcriptome-wide targets of the Celf1 protein in heart, we performed RNA-Seq of polyA+ RNA from mice inducibly expressing Celf1 in the muscle.

2014-12-01 | GSE61891 | GEO

Functional Antagonism Between CELF and Mbnl Proteins in Cytoplasm and Nucleus [muscle]

2014-12-01 | GSE61890 | GEO

Functional Antagonism Between CELF and Mbnl Proteins in Cytoplasm and Nucleus [CLIP-seq]

Project description:The CUG-BP and ETR-3-like factor 1 (Celf1) RNA binding protein plays an important role in heart and muscle development, and is over-expressed in the disease myotonic dystrophy. Celf1 has known roles in regulation of RNA splicing, RNA stability, and protein translation. To identify transcriptome-wide targets of the Celf1 protein, we performed CLIP-seq against Celf1 using the 3B1 antibody, in myoblasts, heart tissue, and muscle tissue.

2014-12-01 | GSE61892 | GEO

Functional Antagonism Between CELF and Mbnl Proteins in Cytoplasm and Nucleus [RNA Bind-N-Seq]

Project description:The CUG-BP and ETR-3-like factor 1 (Celf1) RNA binding protein plays an important role in heart and muscle development, and is over-expressed in the disease myotonic dystrophy. Celf1 has known roles in regulation of RNA splicing, RNA stability, and protein translation. To identify transcriptome-wide targets of the Celf1 protein, we performed CLIP-seq against Celf1 using the 3B1 antibody, in myoblasts, heart tissue, and muscle tissue. RNA Bind-N-Seq was performed using recombinant CELF1 protein in the presence of competing amounts of recombinant MBNL1 protein.

2015-04-13 | E-GEOD-67337 | biostudies-arrayexpress

Functional Antagonism Between CELF and Mbnl Proteins in Cytoplasm and Nucleus [RNA Bind-N-Seq]

Project description:The CUG-BP and ETR-3-like factor 1 (Celf1) RNA binding protein plays an important role in heart and muscle development, and is over-expressed in the disease myotonic dystrophy. Celf1 has known roles in regulation of RNA splicing, RNA stability, and protein translation. To identify transcriptome-wide targets of the Celf1 protein, we performed CLIP-seq against Celf1 using the 3B1 antibody, in myoblasts, heart tissue, and muscle tissue.

2015-04-13 | GSE67337 | GEO

Functional Antagonism Between CELF and Mbnl Proteins in Cytoplasm and Nucleus

Project description:Functional Antagonism Between CELF and Mbnl Proteins in Cytoplasm and Nucleus

| PRJNA262626 | ENA

Conserved functional antagonism of CELF and MBNL proteins controls stem cell-specific alternative splicing in planarians.

Project description:In contrast to transcriptional regulation, the function of alternative splicing (AS) in stem cells is poorly understood. In mammals, MBNL proteins negatively regulate an exon program specific of embryonic stem cells; however, little is known about the in vivo significance of this regulation. We studied AS in a powerful in vivo model for stem cell biology, the planarian Schmidtea mediterranea. We discover a conserved AS program comprising hundreds of alternative exons, microexons and introns that is differentially regulated in planarian stem cells, and comprehensively identify its regulators. We show that functional antagonism between CELF and MBNL factors directly controls stem cell-specific AS in planarians, placing the origin of this regulatory mechanism at the base of Bilaterians. Knockdown of CELF or MBNL factors lead to abnormal regenerative capacities by affecting self-renewal and differentiation sets of genes, respectively. These results highlight the importance of AS interactions in stem cell regulation across metazoans.

| S-EPMC4978528 | biostudies-literature

Conserved functional antagonism between CELF and MBNL proteins regulates stem cell-specific alternative splicing and regeneration in planarians

Project description:Understanding gene regulation in stem cells is key to understanding stem cell biology.Contrary to transcriptional regulation the function of alternative splicing (AS) in stem cells is poorly understood. Here we study function and mechanisms of AS in a powerful in vivo model for stem cell biology, the planarian S. mediterranea. Knockdown of AS factors, computational analyses of massive RNA-sequencing data, phenotyping, and biochemical binding assays revealed a stem cell specific AS program comprising hundreds of alternative exons, intron retention events, and microexons. The conserved AS factors CELF/MBNL are main regulators of this program. We show that they antagonize each other by directly promoting or repressing stem cell specific AS events. Knockdown of CELF/MBNL leads to defective regeneration by affecting self-renewal and differentiation, respectively. Thus, AS is of key importance for stem cell regulation in vivo and antagonistic regulation by CELF/MBNL is likely an ancestral feature of animal stem cells. Sequencing of polyA-selected RNA from Schmidtea mediterranea individuals after control, smed-bruno-like(RNAi) and mbnl(RNAi) after 20,25,30 days after RNAi

2016-08-01 | E-GEOD-75296 | biostudies-arrayexpress

Conserved functional antagonism between CELF and MBNL proteins regulates stem cell-specific alternative splicing and regeneration in planarians

Project description:Understanding gene regulation in stem cells is key to understanding stem cell biology. Contrary to transcriptional regulation the function of alternative splicing (AS) in stem cells is poorly understood. Here we study function and mechanisms of AS in a powerful in vivo model for stem cell biology, the planarian S. mediterranea. Knockdown of AS factors, computational analyses of massive RNA-sequencing data, phenotyping, and biochemical binding assays revealed a stem cell specific AS program comprising hundreds of alternative exons, intron retention events, and microexons. The conserved AS factors CELF/MBNL are main regulators of this program. We show that they antagonize each other by directly promoting or repressing stem cell specific AS events. Knockdown of CELF/MBNL leads to defective regeneration by affecting self-renewal and differentiation, respectively. Thus, AS is of key importance for stem cell regulation in vivo and antagonistic regulation by CELF/MBNL is likely an ancestral feature of animal stem cells. mRNA profiles of various samples of planarian cells, including control and knockdowns of key splicing factors in whole worms, and FACS-purified fractions

2016-08-01 | E-GEOD-75594 | biostudies-arrayexpress

Conserved functional antagonism between CELF and MBNL proteins regulates stem cell-specific alternative splicing and regeneration in planarians

Project description:Here, we analyze the RNA-binding preferences of the planarian smed-mbnl-like-2, smed-mbnl-1 (isoform X1), smed-bruli, smed-mbnl-1 (isoform Xins), and smed-mbnl-like-1 protein using RNAcompete. In the RNAcompete assay, a purified GST-tagged protein is incubated with an excess of RNA pool and bound RNA from individual pulldown experiments are directly labeled and hybridized to a custom Agilent 244K microarray.

2016-08-01 | E-GEOD-75554 | biostudies-arrayexpress

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