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Epigenome analysis of wild type and Nsd2 gene-edited mice

ABSTRACT: Genome wide DNA methylation profiling of thymocytes from wild type and Nsd2 knock out (KO) and Nsd2 knock in (KI). The 906th Proline of Nsd2 was substituted to Leucine in Nsd2 KI by gene editing. The Illumina Infinium Mouse methylation Beadchip was used to obtain DNA methylation profiles across approximately 270,000 CpGs in thymocytes. Samples included 2 wild type, 2 heterozygous knock out, 1 heterozygous knock in, and 1 homozygous knock in.

ORGANISM(S): Mus musculus

PROVIDER: GSE221621 | GEO | 2024/04/01

REPOSITORIES: GEO

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Genome-wide maps of chromatin state in thymocytes from Nsd2-edited mice

Project description:We performed high-throughput profiling of histone modifications in mouse thymocytes in which Nsd2 were deleted (KO) or Nsd2 were substituted as following c.2717C>T; p.Pro906Leu that is an orthologous substitution of human NSD2 c.2714C>T; p.Pro905Leu (KI). We found that lysine 36 dimethylation were generally decreased in KO and KI. These were associated with regulation of gene expression.

2024-04-01 | GSE220890 | GEO

Gene expression in splenic B cells or thymocytes from mice with Nsd2 was edited

Project description:We performed RNA-Seq on primary splenic B cells and thymocytes that were collected from wild type and Nsd2-edited mice.

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Next Generation Sequencing of Wild Type and Nsd2 Treg cells conditional knock out Treg cells Transcriptomes

Project description:Our study aims to characterize the different expression genes between Wild Type and Nsd2 Treg cells conditional knock out groups in Treg cells, and find the influenced pathways and functions, moreover, we can clarify the NSD2 functions in Treg cells. It can be a clue for further Treg cells study.

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Genome-wide maps of chromatin H3K36me2 in Wild Type and Nsd2 Treg cells conditional knock out Treg cells

Project description:Our study aims to characterize the different H3K36me2 modification genes between Wild Type and Nsd2 Treg cells conditional knock out groups in Treg cells, and find the influenced pathways and functions, moreover, we can clarify the NSD2 functions in Treg cells. It can be a clue for further Treg cells study.

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Defining the NSD2 interactome: PARP1 PARylation reduces NSD2 histone methyltransferase activity and impedes chromatin binding

Project description:NSD2 is a histone methyltransferase that specifically dimethylates histone H3 lysine 36 (H3K36me2), a modification associated with gene activation. Dramatic overexpression of NSD2 in t(4;14) multiple myeloma (MM) and an activating mutation of NSD2 discovered in acute lymphoblastic leukemia (ALL) are significantly associated with altered gene activation, transcription and DNA damage repair. The partner proteins through which NSD2 may influence critical cellular processes remain poorly defined. In this study, we utilized proximity-based labelling (BioID) combined with label-free quantitative mass spectrometry to identify high confidence NSD2 interacting partners in MM cells.

2019-06-27 | PXD013759 | Pride

NSD2 links dimethylation of histone H3 at lysine 36 to oncogenic programming

Project description:This SuperSeries is composed of the following subset Series: GSE29146: NSD2 links dimethylation of histone H3 at lysine 36 to oncogenic programming [ChIP] GSE29147: NSD2 links dimethylation of histone H3 at lysine 36 to oncogenic programming [RNAi] GSE29148: NSD2 links dimethylation of histone H3 at lysine 36 to oncogenic programming [TKO] GSE29150: NSD2 links dimethylation of histone H3 at lysine 36 to oncogenic programming [Transduction] Refer to individual Series

2011-11-29 | E-GEOD-29305 | biostudies-arrayexpress

NSD2 E1099K drives relapse in pediatric acute lymphoblastic leukemia by disrupting 3D chromatin organization

Project description:The NSD2 p.E1099K (EK) mutation has been shown to be enriched in patients with relapsed ALL indicating a role in clonal evolution and drug resistance. We previously demonstrated that the impact of EK is highly cell context dependent. To uncover 3D chromatin architecture-related mechanisms underlying drug resistance, we performed Hi-C on three B-ALL cell lines heterozygous for NSD2 EK (RS4;11, RCH-ACV, SEM) and assessed changes upon knockdown.

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Tiam1 methylation by NSD2 promotes Rac1 signaling activation and cancer metastasis

Project description:Metastasis is the key cause of failure of cancer therapy or mortality, but targeting metastatic seeding and colonization remains an unresolved challenge. Here, we report a novel molecular event in cancer metastasis mediated by NSD2/Rac1 signaling and provide a detailed mechanistic investigation of cancer metastasis. We found that NSD2, a histone methyltransferase responsible for di-methylating histone 3 at lysine 36, was overexpressed in metastatic tumors, and overexpressed NSD2 enhanced tumor metastasis both in vitro and in vivo. We further investigated that NSD2 promoted tumor metastasis by activating the Rac1 signaling pathway. Mechanistically, NSD2 methylated Tiam1, a guanine nucleotide exchange factor that facilitates GDP-Rac1 to GTP-Rac1 transition at K724. We demonstrated that Tiam1 K724 methylation plays a crucial role in Tiam1 activation and GDP-Rac1 to GTP-Rac1 transition. Specifically, we identified that Tiam1 K724 methylation could be a predictive factor in cancer prognosis, and we demonstrated that pharmacological blocking of Tiam1 K724 methylation by employing a transmembrane peptide inhibited tumor metastasis both in vitro and in vivo. Thus, NSD2-methylated Tiam1 promoted Rac1 signaling activation and cancer metastasis, which might provide novel insights into tumor metastasis inhibition.

2023-07-23 | GSE237714 | GEO

NSD2 links dimethylation of histone H3 at lysine 36 to oncogenic programming [RNAi]

Project description:NSD2 (also named MMSET and WHSC1) is a histone lysine methyltransferase that is implicated in diverse diseases and commonly overexpressed in multiple myeloma due to a recurrent t(4;14) chromosomal translocation. However, the precise catalytic activity of NSD2 is obscure, preventing progress in understanding how this enzyme influences chromatin biology and myeloma pathogenesis. Here we show that dimethylation of histone H3 at lysine 36 (H3K36me2) is the principal chromatin-regulatory activity of NSD2. Catalysis of H3K36me2 by NSD2 is sufficient for gene activation. In t(4;14)-positive myeloma cells, the normal genome-wide and gene-specific distribution of H3K36me2 is obliterated, creating a chromatin landscape that selects for a transcription profile favorable for myelomagenesis. Catalytically active NSD2 confers xenograft tumor formation and invasion capacity upon t(4;14)-negative cells and NSD2 promotes oncogenic transformation of primary cells in an H3K36me2-dependent manner. Together our findings establish H3K36me2 as the primary product generated by NSD2, and demonstrate that genomic disorganization of this canonical chromatin mark initiates oncogenic programming. Genome-wide expression profiling of KMS11 cells stably transduced with control vector in comparison to two independent shRNAs against NSD2. Each cell line is tested in duplicate.

2011-11-29 | E-GEOD-29147 | biostudies-arrayexpress

NSD2 links dimethylation of histone H3 at lysine 36 to oncogenic programming [Transduction]

Project description:NSD2 (also named MMSET and WHSC1) is a histone lysine methyltransferase that is implicated in diverse diseases and commonly overexpressed in multiple myeloma due to a recurrent t(4;14) chromosomal translocation. However, the precise catalytic activity of NSD2 is obscure, preventing progress in understanding how this enzyme influences chromatin biology and myeloma pathogenesis. Here we show that dimethylation of histone H3 at lysine 36 (H3K36me2) is the principal chromatin-regulatory activity of NSD2. Catalysis of H3K36me2 by NSD2 is sufficient for gene activation. In t(4;14)-positive myeloma cells, the normal genome-wide and gene-specific distribution of H3K36me2 is obliterated, creating a chromatin landscape that selects for a transcription profile favorable for myelomagenesis. Catalytically active NSD2 confers xenograft tumor formation and invasion capacity upon t(4;14)-negative cells and NSD2 promotes oncogenic transformation of primary cells in an H3K36me2-dependent manner. Together our findings establish H3K36me2 as the primary product generated by NSD2, and demonstrate that genomic disorganization of this canonical chromatin mark initiates oncogenic programming. Genome-wide expression profiling of p19ARF-/- mouse embryonic fibroblasts stably transduced with control vector or wild-type NSD2. Each cell line is tested in triplicate.

2011-11-29 | E-GEOD-29150 | biostudies-arrayexpress

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