The splicing factor hnRNP M is a critical regulator for innate immune gene expression in macrophages
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ABSTRACT:
PROVIDER: PRJNA565987 | ENA |
REPOSITORIES: ENA
Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| SRR10133353_1.fastq.gz | Fastqsanger.gz | |||
| SRR10133353_2.fastq.gz | Fastqsanger.gz | |||
| SRR10133354_1.fastq.gz | Fastqsanger.gz | |||
| SRR10133354_2.fastq.gz | Fastqsanger.gz | |||
| SRR10133355_1.fastq.gz | Fastqsanger.gz |
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Project description:Purpose: The goals of this study are to compare hnRNP M shRNA knockdown macrophages to scramble shRNA control macrophages in uninfected cells and Salmonella Typhimurium-infecetd cells to unbiasly look at gene expression changes that are regulated by the splicing factor, hnRNP M during resting state and during an innate immune response. Methods: Macrophage mRNA profiles of uninfected and Salmonella Typhimurium-infected hnRNP M knockdown cells lines and SCR shRNA control RAW264.7 macrophages were generated by sequencing, in triplicate, using Illumina 1.9 system. The sequence reads that passed quality filters were analyzed at the gene expression level with CLC Genomics Workbench 8 with Transcriptomeics Analysis followed by statistical analysi with Empiciral Analysis of DGE and (EDGE test) and Baggerly's test. qRT–PCR validation was performed using SYBR Green assays. Results: Using CLC Genomics Workbench 8 transcriptomics workflow, we mapped about 30 million sequence reads per sample to the mouse genome (GRCm38). Approximately 140 transcripts showed differential expression between the scramble control and hnRNP M knockdown macrophages in uninfected cells, with a fold change ≥1.5 and p value <0.05. Additionally, ~150 transcripts showed differential expression between the scramble control and hnRNP M knockdown macrophages in Salmonella-Typhimurium cells, with a fold change ≥1.5 and p value <0.05. Altered expression of genes was confirmed with qRT–PCR, demonstrating the effectiveness of the RNA-seq method. Conclusions: Our study demonstrates hnRNP M-dependent differential gene expression in the context of the innate immune response.
2019-09-18 | GSE137603 | GEO
Project description:The nuclear matrix associated hnRNP U/SAF-A protein has been implicated in diverse pathways from transcriptional regulation to telomere length control to X inactivation, but the precise mechanism underlying each of these processes has remained elusive. Here, we report hnRNP U as a regulator of SMN2 splicing from a custom RNAi screen. Genome-wide analysis by CLIP-seq reveals that hnRNP U binds virtually to all classes of regulatory non-coding RNAs, including all snRNAs required for splicing of both major and minor classes of introns, leading to the discovery that hnRNP U regulates U2 snRNP maturation and Cajal body morphology in the nucleus. Global analysis of hnRNP U-dependent splicing by RNA-seq coupled with bioinformatic analysis of associated splicing signals suggests a general rule for splice site selection through modulating the core splicing machinery. These findings exemplify hnRNP U/SAF-A as a potent regulator of nuclear ribonucleoprotein particles in diverse gene expression pathways. Examination of hnRNP U regulated splicing in Hela cells with CLIP-seq (two biological replicates) and paired-end RNA-seq (control and hnRNP U knockdown)
2012-02-16 | E-GEOD-34491 | biostudies-arrayexpress
Project description:Understanding how RNA binding proteins control the splicing code is fundamental to human biology and disease. Here we present a comprehensive study to elucidate how heterogeneous nuclear ribonucleoparticle (hnRNP) proteins, among the most abundant RNA binding proteins, coordinate to regulate alternative pre-mRNA splicing (AS) in human cells. Using splicing-sensitive microarrays, cross-linking and immunoprecipitation coupled with high-throughput sequencing, and cDNA sequencing, we find that more than half of all AS events are regulated by multiple hnRNP proteins, and that some combinations of hnRNP proteins exhibit significant synergy, whereas others act antagonistically. Our analyses reveal position-dependent RNA splicing maps, in vivo consensus binding sites, a surprising level of cross- and auto-regulation among hnRNP proteins, and the coordinated regulation by hnRNP proteins of dozens of other RNA binding proteins and genes associated with cancer. Our findings define an unprecedented degree of complexity and compensatory relationships among hnRNP proteins and their splicing targets that likely confer robustness to cells. In triplicate, polyA-selected RNA was extracted from control, hnRNP A1, hnRNP A2/B1, hnRNP H1, hnRNP F, hnRNP M, and hnRNP U siRNA treated human 293T cells, and hybridized to custom splice-junction arrays
2012-02-20 | E-GEOD-34992 | biostudies-arrayexpress
Project description:The nuclear matrix associated hnRNP U/SAF-A protein has been implicated in diverse pathways from transcriptional regulation to telomere length control to X inactivation, but the precise mechanism underlying each of these processes has remained elusive. Here, we report hnRNP U as a regulator of SMN2 splicing from a custom RNAi screen. Genome-wide analysis by CLIP-seq reveals that hnRNP U binds virtually to all classes of regulatory non-coding RNAs, including all snRNAs required for splicing of both major and minor classes of introns, leading to the discovery that hnRNP U regulates U2 snRNP maturation and Cajal body morphology in the nucleus. Global analysis of hnRNP U-dependent splicing by RNA-seq coupled with bioinformatic analysis of associated splicing signals suggests a general rule for splice site selection through modulating the core splicing machinery. These findings exemplify hnRNP U/SAF-A as a potent regulator of nuclear ribonucleoprotein particles in diverse gene expression pathways.
2012-02-16 | GSE34491 | GEO
Project description:Understanding how RNA binding proteins control the splicing code is fundamental to human biology and disease. Here we present a comprehensive study to elucidate how heterogeneous nuclear ribonucleoparticle (hnRNP) proteins, among the most abundant RNA binding proteins, coordinate to regulate alternative pre-mRNA splicing (AS) in human cells. Using splicing-sensitive microarrays, cross-linking and immunoprecipitation coupled with high-throughput sequencing, and cDNA sequencing, we find that more than half of all AS events are regulated by multiple hnRNP proteins, and that some combinations of hnRNP proteins exhibit significant synergy, whereas others act antagonistically. Our analyses reveal position-dependent RNA splicing maps, in vivo consensus binding sites, a surprising level of cross- and auto-regulation among hnRNP proteins, and the coordinated regulation by hnRNP proteins of dozens of other RNA binding proteins and genes associated with cancer. Our findings define an unprecedented degree of complexity and compensatory relationships among hnRNP proteins and their splicing targets that likely confer robustness to cells.
2012-02-20 | GSE34992 | GEO
Project description:Understanding how RNA binding proteins control the splicing code is fundamental to human biology and disease. Here we present a comprehensive study to elucidate how heterogeneous nuclear ribonucleoparticle (hnRNP) proteins, among the most abundant RNA binding proteins, coordinate to regulate alternative pre-mRNA splicing (AS) in human cells. Using splicing-sensitive microarrays, cross-linking and immunoprecipitation coupled with high-throughput sequencing, and cDNA sequencing, we find that more than half of all AS events are regulated by multiple hnRNP proteins, and that some combinations of hnRNP proteins exhibit significant synergy, whereas others act antagonistically. Our analyses reveal position-dependent RNA splicing maps, in vivo consensus binding sites, a surprising level of cross- and auto-regulation among hnRNP proteins, and the coordinated regulation by hnRNP proteins of dozens of other RNA binding proteins and genes associated with cancer. Our findings define an unprecedented degree of complexity and compensatory relationships among hnRNP proteins and their splicing targets that likely confer robustness to cells. RNAseq for control, hnRNP A1, hnRNP A2/B1, hnRNP H1, hnRNP F, hnRNP M, and hnRNP U siRNA treated human 293T cells
2012-02-20 | E-GEOD-34995 | biostudies-arrayexpress
Project description:Understanding how RNA binding proteins control the splicing code is fundamental to human biology and disease. Here we present a comprehensive study to elucidate how heterogeneous nuclear ribonucleoparticle (hnRNP) proteins, among the most abundant RNA binding proteins, coordinate to regulate alternative pre-mRNA splicing (AS) in human cells. Using splicing-sensitive microarrays, cross-linking and immunoprecipitation coupled with high-throughput sequencing, and cDNA sequencing, we find that more than half of all AS events are regulated by multiple hnRNP proteins, and that some combinations of hnRNP proteins exhibit significant synergy, whereas others act antagonistically. Our analyses reveal position-dependent RNA splicing maps, in vivo consensus binding sites, a surprising level of cross- and auto-regulation among hnRNP proteins, and the coordinated regulation by hnRNP proteins of dozens of other RNA binding proteins and genes associated with cancer. Our findings define an unprecedented degree of complexity and compensatory relationships among hnRNP proteins and their splicing targets that likely confer robustness to cells. CLIPseq for hnRNP A1, hnRNP A2/B1, hnRNP F, hnRNP M, and hnRNP U in human 293T cells
2012-02-20 | E-GEOD-34993 | biostudies-arrayexpress
Project description:This SuperSeries is composed of the following subset Series: GSE34992: Integrative genome-wide analysis reveals cooperative regulation of alternative splicing by hnRNP proteins (splice array) GSE34993: Integrative genome-wide analysis reveals cooperative regulation of alternative splicing by hnRNP proteins (CLIP-Seq) GSE34995: Integrative genome-wide analysis reveals cooperative regulation of alternative splicing by hnRNP proteins (RNA-Seq) Refer to individual Series
2012-02-20 | E-GEOD-34996 | biostudies-arrayexpress
Project description:HnRNP K is a heterogeneous nuclear ribonucleoprotein and has been identified as an oncogene in most solid tumors via regulating gene expression or alternative splicing of genes by binding both DNA and pre-mRNA. However, how hnRNP K affects tumorigenesis and regulates the gene expression in cervical cancer (CESC) remains to be elucidated. In these data, higher expression of hnRNP K was observed in CESC and was negatively correlated with the patient survival time. We then overexpressed hnRNP K (hnRNP K-OE) and found that its overexpression promoted cell proliferation in HeLa cells (P = 0.0052). Next, global transcriptome sequencing (RNA-seq) experiments were conducted to explore gene expression and alternative splicing profiles regulated by hnRNP K. It is shown that upregulated genes by hnRNP K-OE were associated with inflammatory response and an apoptotic process of neuron cells, which involves in cancer. In addition, the alternative splicing of those genes regulated by hnRNP K-OE was associated with transcriptional regulation. Analysis of the binding features of dysregulated transcription factors (TFs) in the promoter region of the inflammatory response genes regulated by hnRNP K revealed that hnRNP K may modulate the expression level of genes related to inflammatory response by influencing the alternative splicing of TFs. Among these hnRNP K-TFs-inflammatory gene regulatory networks, quantitative reverse transcription polymerase chain reaction (RT-qPCR) experiments and gene silencing were conducted to verify the hnRNP K-IRF1-CCL5 axis. In conclusion, the hnRNP K-TFs-inflammatory gene regulatory axis provides a novel molecular mechanism for hnRNP K in promoting CESC and offers a new therapeutic target.
2023-02-19 | GSE148385 | GEO
Project description:Alternative splicing (AS) diversifies the transcriptome complexity and is usually hijacked by cancer cells. Here, we identified heterogeneous nuclear ribonucleoprotein M (hnRNP M) as an indispensable contributor to EMT-related AS reprogramming, whose sub-nuclear distribution of hnRNP M is altered in metastatic tumors. Upon TGFβ stimulation, hnRNP M trends to disassociate with a circRNA called MASCOT (hnRNP M-ASsociated Circular RNA Of TGFβ) that demonstrated an impressive inhibitory effect on EMT process and tumor metastasis. Mechanistically, the anti-metastatic effect of MASCOT is attributed to not only its competition with U2 RNA splicing factors to recruit hnRNP M in the nucleoplasm, but also the anchorage of hnRNP M with nucleolin into the nucleolus to cause a temporospatial separation of hnRNP M from spliceosome. Moreover, the correlation between MASCOT expression and hnRNP M sub-nuclear localization was validated in clinical specimens. Our study deciphers the regulatory codes controlling AS networks and highlights MASCOT as a promising therapeutic to treat metastasis.
2022-09-10 | GSE165576 | GEO