Lnc-Pim1 promotes neuron-like cell differentiation and neurite regeneration following ACR-induced neuronal injury
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ABSTRACT:
PROVIDER: PRJNA884680 | ENA |
REPOSITORIES: ENA
Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| SRR21726059_1.fastq.gz | Fastqsanger.gz | |||
| SRR21726059_2.fastq.gz | Fastqsanger.gz | |||
| SRR21726060_1.fastq.gz | Fastqsanger.gz | |||
| SRR21726060_2.fastq.gz | Fastqsanger.gz | |||
| SRR21726061_1.fastq.gz | Fastqsanger.gz |
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Project description:Gm-26885 (ENSMUSG0000097125) is encoded by chromosome17:29 (446,919-29,491,925) on Chromosome17 of C57 mice and is located in the 3 sub-band 3 of the region of Chromosome17 long arm (17qa3.3). Gm-26885 and PIM-1 genes overlap each other, and have certain sequence similarity with PIM-1 gene, which is the antisense RNA of PIM-1. Therefore, we refer to GM-26885 as Lnc-pim1. In order to investigate the molecular mechanism of Lnc-pim1 in neuron regeneration .The N-2a-N cell injury model was constructed, and the experimental subjects were divided into normal N-2a-N cell group, N-2a-N cell group with Lnc-pim1overexpression and N-2a-N cell group with Lnc-pim1 knockdown. We then performed gene expression profiling analysis using data obtained from RNA-seq of 3 different cells at the same points.
2022-09-30 | GSE214269 | GEO
Project description:Background: PIM1 is a constitutively active serine-threonine kinase regulating cell survival and proliferation. Increased PIM1 expression has been correlated with cancer metastasis by facilitating migration and anti-adhesion. Endothelial cells play a pivotal role in these processes by contributing a barrier to the blood stream. Here, we investigated whether PIM1 regulates mouse aortic endothelial cell (MAEC) monolayer integrity. Methods: Pim1-/-MAEC were isolated from Pim1 knockout mice and used in trypsinization-, wound closure assays, electrical cell-substrate sensing, immunostaining, cDNA transfection and as RNA source for microarray analysis. Results: Pim1-/-MAEC displayed decreased migration, slowed cell detachment and increased electrical resistance across the endothelial monolayer. Reintroduction of Pim1- cDNA into Pim1-/-MAEC significantly restored wildtype adhesive characteristics. Pim1-/--MAEC displayed enhanced focal adhesion and adherens junction structures containing vinculin and M-NM-2-catenin, respectively. Junctional molecules such as Cadherin 13 and matrix components such as Collagen 6a3 were highly upregulated in Pim1-/- cells. Intriguingly, extracellular matrix deposited by Pim1-/- cells alone was sufficient to induce the hyperadhesive phenotype in wildtype endothelial cells. Conclusion: Loss of Pim1 induces a strong adhesive phenotype by enhancing endothelial cell-cell and cell-matrix adhesion by the deposition of a specific extracellular matrix. Targeting PIM1 function therefore might be important to promote endothelial barrier integrity. Pim-1-/- mouse aortic endothelial cells were compared to wildtype cells
2012-10-29 | E-GEOD-32059 | biostudies-arrayexpress
Project description:It has been estimated that about 11% of cellular genes present a functional E box to which MYC can associate on the genome. MYC silencing demonstrated that MYC recruits PIM1 at specific MYC binding sites and confocal microscopy following growth factor treatment, showed an elevated degree of nuclear co-localization of PIM1 with nascent transcripts and with MYC suggesting that PIM1 is recruited by MYC to a large number of sites. To understand the actual extension of PIM1 and MYC co-operation in gene transcription we performed expression profile analysis of 293 cells silenced either for MYC or PIM1 at 120 minutes after serum treatment. MYC silencing affected the expression of 1026 genes of which 818 were up-regulated and 208 were down-regulated. Comparison of genes regulated by MYC with those regulated by PIM1, by RNAi silencing, showed that PIM1 contributes to the regulation of 207 genes out of the 1026 MYC-regulated genes. Thus, a subset of 20% of MYC-regulated genes, are also regulated by PIM1. The co-regulated includes genes involved in cell metabolism, protein synthesis, cycle progression, and oncogenesis. Interestingly, a large number of genes are transcriptional factors, which suggests that PIM1 participates in MYC-dependent regulatory networks. Experiment Overall Design: The gene expression analysis was performed by hybridizing RNA samples to the Whole Human Genome Oligo Microarray from Agilent Technologies. Samples were obtained from 293 cells, treated with serum for 120 minutes, expressing either two independent MYC shRNA (shMYC#1 and shMYC#2) or their relative scrambled shRNA (shsM#1 and shsM#2) for MYC expression analysis; two independent PIM1 shRNA (shPIM1#1 and shPIM1#2) or their relative scrambled shRNA (shsP#1 and shsP#2) for PIM1 expression analysis.
2008-06-15 | E-GEOD-7960 | biostudies-arrayexpress
Project description:It has been estimated that about 11% of cellular genes present a functional E box to which MYC can associate on the genome. MYC silencing demonstrated that MYC recruits PIM1 at specific MYC binding sites and confocal microscopy following growth factor treatment, showed an elevated degree of nuclear co-localization of PIM1 with nascent transcripts and with MYC suggesting that PIM1 is recruited by MYC to a large number of sites. To understand the actual extension of PIM1 and MYC co-operation in gene transcription we performed expression profile analysis of 293 cells silenced either for MYC or PIM1 at 120 minutes after serum treatment. MYC silencing affected the expression of 1026 genes of which 818 were up-regulated and 208 were down-regulated. Comparison of genes regulated by MYC with those regulated by PIM1, by RNAi silencing, showed that PIM1 contributes to the regulation of 207 genes out of the 1026 MYC-regulated genes. Thus, a subset of 20% of MYC-regulated genes, are also regulated by PIM1. The co-regulated includes genes involved in cell metabolism, protein synthesis, cycle progression, and oncogenesis. Interestingly, a large number of genes are transcriptional factors, which suggests that PIM1 participates in MYC-dependent regulatory networks. Keywords: expression profiles
2007-07-31 | GSE7960 | GEO
Project description:Background: PIM1 is a constitutively active serine-threonine kinase regulating cell survival and proliferation. Increased PIM1 expression has been correlated with cancer metastasis by facilitating migration and anti-adhesion. Endothelial cells play a pivotal role in these processes by contributing a barrier to the blood stream. Here, we investigated whether PIM1 regulates mouse aortic endothelial cell (MAEC) monolayer integrity. Methods: Pim1-/-MAEC were isolated from Pim1 knockout mice and used in trypsinization-, wound closure assays, electrical cell-substrate sensing, immunostaining, cDNA transfection and as RNA source for microarray analysis. Results: Pim1-/-MAEC displayed decreased migration, slowed cell detachment and increased electrical resistance across the endothelial monolayer. Reintroduction of Pim1- cDNA into Pim1-/-MAEC significantly restored wildtype adhesive characteristics. Pim1-/--MAEC displayed enhanced focal adhesion and adherens junction structures containing vinculin and β-catenin, respectively. Junctional molecules such as Cadherin 13 and matrix components such as Collagen 6a3 were highly upregulated in Pim1-/- cells. Intriguingly, extracellular matrix deposited by Pim1-/- cells alone was sufficient to induce the hyperadhesive phenotype in wildtype endothelial cells. Conclusion: Loss of Pim1 induces a strong adhesive phenotype by enhancing endothelial cell-cell and cell-matrix adhesion by the deposition of a specific extracellular matrix. Targeting PIM1 function therefore might be important to promote endothelial barrier integrity.
2012-10-29 | GSE32059 | GEO
Project description:Endogenous retroviruses (ERVs) are transposable elements that cause host genome instability and usually play deleterious roles such as tumorigenesis. Recent advances also suggest that this 'enemy within' may encode viral mimic to induce antiviral immune responses through viral sensors. Here, through whole genome RNA-seq we discovered a full-length ERV-derived long non-coding RNA (lncRNA), designated lnc-EPAV (ERV-derived lncRNA positively regulates antiviral responses), as a positive regulator of NF-κB signaling. Lnc-EPAV expression was rapidly up-regulated by viral RNA mimic or RNA viruses to facilitate the expression of RELA, an NF-κB subunit that plays a critical role in antiviral responses. In turn, RELA promoted the transcription of lnc-EPAV to form a positive feedback loop. Transcriptome analysis of lnc-EPAV-silenced macrophages, combined with gain- and loss-of-function experiments, showed that lnc-EPAV was critical for induction of type I interferon (IFN) and inflammatory cytokine expression by RNA viruses. Consistently, lnc-EPAV-deficient mice exhibited reduced expression of type I IFNs, and consequently increased viral loads and mortality following lethal RNA virus infection. Mechanistically, lnc-EPAV promoted expression of RELA by competitively binding to and displacing SFPQ, a transcriptional repressor of RELA. The binding between ERV-derived RNAs and SFPQ also existed in human cells. Altogether, our work demonstrates an alternative mechanism by which ERVs regulate antiviral immune responses.
2018-11-07 | PXD011577 | Pride
Project description:The Pim (proviral integration site for Moloney murine leukemia virus) proteins form a serine threonine kinase family that regulates cell proliferation, migration and cell survival. Here we demonstrate for the first time that a Pim1 kinase plays an essential role in antiviral innate immune responses. Specifically, our in vivo, in vitro and RNA-sequencing analyses showed that Pim1 was quickly upregulated after Toll-like receptor (TLR) stimulation in a NF-kB-dependent manner and then promoted IFN-b production by forming a cell-surface complex composed of TRIF-signaling molecules and IRF3 that promoted IRF3 phosphorylation, nuclear translocation, and IFN-b production. As shown by Pim1 knockdown and knockout, Pim1 was essential for this role but its kinase activity was not involved. Pim1-deficiency increased the susceptibility of mice to poly I:C-induced sepsis. Our study uncovers a previously unrecognized role for Pim1 in antiviral innate immune responses, thus providing a new target for controlling viral infection.
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Project description:PIM1 is constitutively active and involved in various cellular processes, including cell survival, proliferation, and differentiation by phosphorylating a wide range of substrates. We investigated whether PIM1 is involved in the pathogenesis of ulcerative colitis (UC).We performed RNA sequencing analysis in intestinal epithelial cells (IECs) from PIM1-deficient mice and WT mice to study the molecular mechanisms through which PIM1 regulates goblet cell numbers.
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Project description:PIM1 is constitutively active and involved in various cellular processes, including cell survival, proliferation, and differentiation by phosphorylating a wide range of substrates. We investigated whether PIM1 is involved in the pathogenesis of ulcerative colitis (UC).We performed RNA sequencing analysis in Caco2 cells infected with vector or PIM1 to study the molecular mechanisms through which PIM1 regulates goblet cell numbers.
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