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MeRIP-Seq map HNRNPA2B1 maintains MM tumorigenicity by m6A dependent stabilizing of mRNA

ABSTRACT: MeRIP-Seq map HNRNPA2B1 maintains MM tumorigenicity by m6A dependent stabilizing of mRNA

PROVIDER: PRJNA682849 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR13205445_1.fastq.gz	Fastqsanger.gz
	SRR13205445_2.fastq.gz	Fastqsanger.gz
	SRR13205446_1.fastq.gz	Fastqsanger.gz
	SRR13205446_2.fastq.gz	Fastqsanger.gz
	SRR13205447_1.fastq.gz	Fastqsanger.gz

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MeRIP-Seq map HNRNPA2B1 maintains MM tumorigenicity by m6A dependent stabilizing of mRNA

Project description:To investigated the mechanism of HNRNPA2B1 in MM tumorigenesis, performed m6A IP seq analysis (MeRIP-Seq) to identify the expression changes in stable HNRNPA2B1-knockdown MM cells.60 genes m6A with over 2-fold expression change in shHNRNPA2B compared with control in both ARP1 and H929 cells.44 differentially expressed genes (P<0.05) in both m6A and transcription in shHNRNPA2B compared with control in ARP1 cell.

2021-11-30 | GSE162745 | GEO

Nuclear HNRNPA2B1 HITS-CLIP and RNA-seq

Project description:To identify HNRNPA2B1 binding sites on endogenous nuclear RNAs, we performed HITS-CLIP for endogenous HNRNPA2B1 and RNA-seq to analyze the nuclear RNA under either METTL3 or HNRNPA2B1 depletion. Wild type MDA-MB-231 cells were subjected to the HITS-CLIP procedure on immunoprecipitated HNRNPA2B1 associated RNA obtained from the nuclear fraction (Licatalosi D, et al. 2008, Nature 456:464-U22). For RNA-seq, nuclear RNA was extracted from MDA-MB-231 or Hela cells knocked down for METTL3 or HNRNPA2B1.

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Nuclear HNRNPA2B1 HITS-CLIP and RNA-seq

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The RNA binding protein HNRNPA2B1 regulates IFNG signaling in macrophages

Project description:Heterogeneous nuclear ribonucleoprotein A2B1 (HNRNPA2B1) is a well known RNA binding protein but the mechanisms by which it contributes to innate immune gene regulation is poorly understood. Here we report that HNRNPA2B1 functions in macrophages to regulate IFNG signaling through alternative splicing of the IFNG receptor. Specific deletion of HNRNPA2B1 in macrophages using our newly developed conditional mice crossed to LysMCre resulted in altered cytokine responses in both an endotoxic shock model and following Salmonella infection. Interestingly, while HNRNPA2B1 can function as a viability gene, we observed increased macrophage and neutrophil numbers in the KO mice following LPS induced endotoxic shock. HNRNPA2B1 KO mice were more susceptible to Salmonella and Mycobacterium Tuberculosis infections and failed to effectively clear the pathogens. Mechanistically, loss of HNRNPA2B1 resulted in an increase in No-GO transcripts of the IFNG receptor (Ifngr) leading to lower expression of the receptor at the cell surface impacting the downstream IFNG signaling cascade. Collectively, our data highlights an important role for HNRNPA2B1 in regulating IFNG signaling in macrophages.

2024-09-30 | GSE243269 | GEO

Transcriptome sequencing of the hnRNPA2B1 knockout Huh7 cell line

Project description:To investigate the role of hnRNPA2B1 in the progression of hepatocellular carcinogenesis, we established a Huh7 cell line in which the hnRNPA2B1 gene was knocked out by crisper/cas9.

2023-09-01 | GSE226544 | GEO

Next Generation Sequencing Facilitates Quantitative Analysis of Wild Type and hnRNPA2B1-KO sw480 cell line Transcriptomes

Project description:HNRNPA2B1, an RNA-binding protein, plays a key role in primary microRNA processing, alternative splicing, mRNA metabolism and transport. Interestingly, hnRNPA2B1 also works as an N6-methyladenosine(m6A) reader and is critical during tumorigenesis of various tissue types. However, its role in colon cancer is still unclear. In this study, we aimed to elucidate the biological functions of hnRNPA2B1 and to explore its underlying mechanisms in colon cancer. Methods We examined the expression of hnRNPA2B1 in Oncomine and TCGA databases. Then verified the findings in colon cancer cells and clinical samples with western blotting and immunohistochemistry (IHC). We used CRISPR/Cas9 directed gene editing to knockout hnRNPA2B1 expression in human colon cancer cell line SW480 and carried out both in vivo and in vitro experiments. The results were further confirmed by RNA-seq analysis. We found that hnRNPA2B1 significantly promoted colon cancer cell proliferation both in vitro and in vivo, while knockout of hnRNPA2B1 induced apoptosis and cell cycle arrest in SW480. RNA-seq analysis revealed that the ERK/MAPK pathway was activated by hnRNPA2B1 upregulation. In addition, both hnRNPA2B1 and MAPK pathway were activated in clinical colon cancer specimens and positively correlated. Mechanistically, hnRNPA2B1 appeared to be an upstream regulator of the ERK/MAPK pathway and inhibition of MAPK signaling blocked the effects of hnRNPA2B1. Taken together, our data demonstrated that the RNA-binding protein hnRNPA2B1 promotes cell proliferation and regulates cell cycle and apoptosis of human colon cancer by activating the ERK/MAPK signaling, which may provide a new insight into the development of hnRNPA2B1 as a potential therapeutic target for treatment of colon cancer.

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Sumoylated hnrnpa2b1 controls the sorting of miRNAs into two exosomes through binding to specific motifs

Project description:Exosomes are released by most cells to the extracellular environment, and are involved in cell-to-cell-communication. Exosomes contain specific repertoires of mRNAs, miRNAs and other non-coding RNAs that can be functionally transferred to recipient cells. However, the mechanisms that control the specific loading of RNA species into exosomes remain unknown. Here we describe short sequence motifs present in miRNAs that control their localization into exosomes. The protein hnRNPA2B1 specifically binds exosomal miRNAs through the recognition of these motifs and controls their loading into exosomes. Moreover, hnRNPA2B1 in exosomes is sumoylated, and sumoylation controls the binding of hnRNPA2B1 to miRNAs. The loading of miRNAs into exosomes can be modulated by mutagenesis of the identified motifs or changes in hnRNPA2B1 expression levels. These findings identify hnRNPA2B1 as a key player in miRNA sorting into exosomes and provide potential tools for the packaging of selected regulatory RNAs into exosomes and their use in biomedical applications.

2014-04-16 | PXD000350 | Pride

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