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The m5C reader Ybx1 regulates embryonic cortical neurogenesis by promoting the progenitor cell cycle progression [RIP-seq]

ABSTRACT: The m5C reader Ybx1 regulates embryonic cortical neurogenesis by promoting the progenitor cell cycle progression [RIP-seq]

PROVIDER: PRJNA1064088 | ENA |

REPOSITORIES: ENA

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The m5C reader Ybx1 regulates embryonic cortical neurogenesis by promoting the progenitor cell cycle progression [RIP-seq]

Project description:The reversible epitranscriptomic mark, 5-methylcytosine (m5C) modification, is implicated in numerous cellular processes, but its role in neuronal development remains largely unexplored. In this study, we discovered high expression of the m5C reader Ybx1 in the developing mouse cortex. To elucidate its role in cortical development, Ybx1 was deleted in mouse embryonic cortical neural stem cells (NSCs). Interestingly, the deletion of Ybx1 led to perinatal mortality in mice, along with abnormal cortical development. Cortical progenitor cells lacking Ybx1 exhibited impaired proliferation and differentiation. Multi-omics analysis identified the target mRNAs of Ybx1, which encode the key cell cycle regulatory proteins, such as cyclin D2 (Ccnd2). Ybx1 was found to regulate the stability of its target transcripts. Both knockdown and overexpression of Ybx1 targets via in utero electroporation confirmed that they mediated the Ybx1 regulation of proliferation and differentiation of neural precursor cells. Further mechanistic analysis showed that deletion of Ybx1 resulted in the blocking of G1 to S phase transition in the cortical progenitor cells. This study highlights the crucial function of the m5C reader protein Ybx1 in promoting cell cycle progression of the embryonic cortical progenitors, essential for proper cortical development.

2025-04-19 | GSE253131 | GEO

The m5C reader Ybx1 regulates embryonic cortical neurogenesis by promoting the progenitor cell cycle progression [E18.5-cKO_RNAseq]

2025-04-19 | GSE253130 | GEO

The m5C reader Ybx1 regulates embryonic cortical neurogenesis by promoting the progenitor cell cycle progression [E13.5-cKO_RNAseq]

2025-04-19 | GSE253129 | GEO

The m5C reader Ybx1 regulates embryonic cortical neurogenesis by promoting the progenitor cell cycle progression [E13.5-KD_RNAseq]

2025-04-19 | GSE253128 | GEO

Anti-Ybx1 RIP-seq to identify target mRNAs of Ybx1 in E13.5 DRG [RIP-seq]

Project description:In order to identify the target mRNAs of the m5C reader protein Ybx1, we carried out anti-Ybx1 RNA Immunoprecipitation(RIP) followed by RNA-sequencing to find out mRNAs that can directly bind by Ybx1. Using EZ-Magna RIPTM RNA-Binding Protein Immunoprecipitation Kit (Millipore), RNA from E13.5 wildtype mouse DRGs was pulled down by rabbit monoclonal anti-Ybx1 (abcam) and sequenced on IIIumina HiSeq3000 platform. The filtered reads were mapped to the mouse reference genome (GRCm39) using BWA mem (v 0.7.12). After peak calling using MACS2 (version 2.1.0) software, the distribution of chromosome distribution, peak width, fold enrichment, significant level and peak summit number per peak were all displayed. Fold enrichment greater than 2 was considered to be enriched. Finally, 2 biological repilicates of anti-Ybx1 RIP-seq identified 2487 transcripts. This study provides a gene list which shows mRNA binding with Ybx1 in mouse DRGs.

2024-11-15 | GSE254854 | GEO

The m5C reader Ybx1 regulates embryonic cortical neurogenesis by promoting the progenitor cell cycle progression.

Project description:The m5C reader Ybx1 regulates embryonic cortical neurogenesis by promoting the progenitor cell cycle progression.

| PRJNA1064077 | ENA

Integrated analysis based on RNA immunoprecipitation sequencing (RIP-seq) and m5C methylated RNA immunoprecipitation and sequencing (MeRIP-seq) assays to identify the target genes of NSUN2/YBX1-m5C axis in ESCC progression

Project description:The modification and recognition of 5-methylcytosine (m5C) are involved in the initiation and progression of various tumor types. However, the precise role and potential mechanism of Y-box-binding protein 1 (YBX1) in esophageal squamous cell carcinoma (ESCC) remains unclear. Here, we found that YBX1 was frequently upregulated in ESCC compared with matched nontumor tissues. Gain- and loss-of-function assays showed that YBX1 promoted the proliferation and metastasis of ESCC cells both in vitro and in vivo. Functional studies revealed that NOP2/Sun RNA methyltransferase family member 2 (NSUN2) is a critical RNA methyltransferase that facilitates YBX1-mediated ESCC progression. Mechanistically, integrated analysis based on RNA immunoprecipitation sequencing (RIP-seq) and m5C methylated RNA immunoprecipitation and sequencing (MeRIP-seq) assays identified spermine oxidase (SMOX) as a target gene containing an m5C site in its coding sequence (CDS) region, which coincided well with the binding site of YBX1. Overexpression of SMOX-WT but not SMOX-Mut partially restored the proliferation and invasion ability of ESCC cells curbed by YBX1 knockdown. Moreover, YBX1 activated the mTORC1 signaling pathway by stabilizing SMOX mRNA. Our study revealed that YBX1 promotes ESCC development by stabilizing SMOX mRNA in an m5C-dependent manner, thus providing a valuable therapeutic target for ESCC.

2024-06-05 | GSE249045 | GEO

The m5C reader Ybx1 regulates embryonic cortical neurogenesis by promoting the progenitor cell cycle progression [E13.5-KD_RNAseq]

Project description:The m5C reader Ybx1 regulates embryonic cortical neurogenesis by promoting the progenitor cell cycle progression [E13.5-KD_RNAseq]

| PRJNA1064087 | ENA

The m5C reader Ybx1 regulates embryonic cortical neurogenesis by promoting the progenitor cell cycle progression [E18.5-cKO_RNAseq]

Project description:The m5C reader Ybx1 regulates embryonic cortical neurogenesis by promoting the progenitor cell cycle progression [E18.5-cKO_RNAseq]

| PRJNA1064089 | ENA

The m5C reader Ybx1 regulates embryonic cortical neurogenesis by promoting the progenitor cell cycle progression [E13.5-cKO_RNAseq]

Project description:The m5C reader Ybx1 regulates embryonic cortical neurogenesis by promoting the progenitor cell cycle progression [E13.5-cKO_RNAseq]

| PRJNA1064090 | ENA

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