IMP2/IGF2BP2 HITS-CLIP from E13.5 mouse brain
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Project description:HITS-CLIP is performed for the RNA-binding protein, IMP2/IGF2BP2, from E13.5 mouse brain.
2016-06-06 | E-MTAB-3636 | biostudies-arrayexpress
Project description:RNA-based regulatory mechanisms play important roles in the development and plasticity of neural circuits and neurologic disease. Developing axons provide a well suited model to study RNA-based regulation, and contain specific subsets of mRNAs that are locally translated and have roles in axon pathfinding. However, the RNA-binding proteins involved in axon pathfinding, and their corresponding mRNA targets, are still largely unknown. Here we find that the RNA-binding protein IMP2 (Igf2bp2) is strikingly enriched in developing axon tracts, including in spinal commissural axons. We used the HITS-CLIP approach to perform a genome-wide identification of RNAs that interact directly with IMP2 in the native context of developing brain. This IMP2 interactome was highly enriched for mRNA targets related to axon guidance. Accordingly, IMP2 knockdown in the developing spinal cord led to strong defects in commissural axon trajectories at the midline intermediate target. These results reveal a highly distinctive axonal enrichment of IMP2, show that it interacts with a network of axon guidance-related mRNAs, and reveal its requirement for normal axon pathfinding during vertebrate development. CLIP-seq
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Project description:To investigate the binding targets of PTBP1 (PTB) and IGF2BP2 (IMP2) in glioma cells, we carried out an unbiased analysis of transcripts bound by PTBP1 and IGF2BP2 using enhanced crosslinking immunoprecipitation followed by high-throughput sequencing (eCLIP) in A172 glioma cells. We repeated the eCLIP method twice in each experiment, and found that the ratio of PTBP1 and IGF2BP2 binding mRNAs overlap was very high.
2022-01-02 | GSE192792 | GEO
Project description:RNA-based regulatory mechanisms play important roles in the development and plasticity of neural circuits and neurologic disease. Developing axons provide a well suited model to study RNA-based regulation, and contain specific subsets of mRNAs that are locally translated and have roles in axon pathfinding. However, the RNA-binding proteins involved in axon pathfinding, and their corresponding mRNA targets, are still largely unknown. Here we find that the RNA-binding protein IMP2 (Igf2bp2) is strikingly enriched in developing axon tracts, including in spinal commissural axons. We used the HITS-CLIP approach to perform a genome-wide identification of RNAs that interact directly with IMP2 in the native context of developing brain. This IMP2 interactome was highly enriched for mRNA targets related to axon guidance. Accordingly, IMP2 knockdown in the developing spinal cord led to strong defects in commissural axon trajectories at the midline intermediate target. These results reveal a highly distinctive axonal enrichment of IMP2, show that it interacts with a network of axon guidance-related mRNAs, and reveal its requirement for normal axon pathfinding during vertebrate development.
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Project description:In order to identify YBX1 binding sites on endogenous RNA, we performed HITS-CLIP on endogenous YBX1 We used a previously published method to perform HITS-CLIP on endogenous YBX1 (Licatalosi D, et al. 2008, Nature 456:464-U22)
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Project description:In order to identify TARBP2 binding sites on endogenous RNA, we performed HITS-CLIP on a myc-tagged TARBP2 expressing cell-line (transient transfection) Cells were transfected with tagged TARBP2 vector (Origene) and 48-hr post-transfection, they were subjected to the HITS-CLIP procedure (Licatalosi D, et al. 2008, Nature 456:464-U22)
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Project description:Mouse samples were subjected to HITS-CLIP to monitor Elavl binding
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