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Single-cell multi-omics analysis identifies metabolism-linked epigenetic reprogramming as a driver of therapy-resistant medulloblastoma [PDX Multiome]

ABSTRACT: Single-cell multi-omics analysis identifies metabolism-linked epigenetic reprogramming as a driver of therapy-resistant medulloblastoma [PDX Multiome]

PROVIDER: PRJNA1194607 | ENA |

REPOSITORIES: ENA

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Single-cell multi-omics analysis identifies metabolism-linked epigenetic reprogramming as a driver of therapy-resistant medulloblastoma [Multiome]

Project description:Single-cell multi-omics analysis identifies metabolism-linked epigenetic reprogramming as a driver of therapy-resistant medulloblastoma [Multiome]

| PRJNA1194622 | ENA

Single-cell multi-omics analysis identifies metabolism-linked epigenetic reprogramming as a driver of therapy-resistant medulloblastoma [PDX Multiome]

Project description:We perform scMultiomic sequencing on matched patient primary and recurrent tumors. We identify a unique population of cells that is metabolically and epigenetically altered. We recapitulate this population of cells in in vivo radiation resistant models. Disruption of this population with wtIDH1 inhibitors suppresses growth and re-sensitizes cells to irradiation.

2025-09-01 | GSE283606 | GEO

Single-cell multi-omics analysis identifies metabolism-linked epigenetic reprogramming as a driver of therapy-resistant medulloblastoma

Project description:Single-cell multi-omics analysis identifies metabolism-linked epigenetic reprogramming as a driver of therapy-resistant medulloblastoma

| PRJNA1194627 | ENA

Single-cell multi-omics analysis identifies metabolism-linked epigenetic reprogramming as a driver of therapy-resistant medulloblastoma [Multiome]

2025-09-01 | GSE283619 | GEO

Single-cell multi-omics analysis identifies metabolism-linked epigenetic reprogramming as a driver of therapy-resistant medulloblastoma [ATAC_seq]

Project description:Single-cell multi-omics analysis identifies metabolism-linked epigenetic reprogramming as a driver of therapy-resistant medulloblastoma [ATAC_seq]

| PRJNA1193662 | ENA

Single-cell multi-omics analysis identifies metabolism-linked epigenetic reprogramming as a driver of therapy-resistant medulloblastoma [CUT&RUN]

Project description:Single-cell multi-omics analysis identifies metabolism-linked epigenetic reprogramming as a driver of therapy-resistant medulloblastoma [CUT&RUN]

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Single-cell multi-omics analysis identifies metabolism-linked epigenetic reprogramming as a driver of therapy-resistant medulloblastoma [scRNA-seq]

Project description:Single-cell multi-omics analysis identifies metabolism-linked epigenetic reprogramming as a driver of therapy-resistant medulloblastoma [scRNA-seq]

| PRJNA1194630 | ENA

Sequencing of Medulloblastoma

Project description:<p>Medulloblastoma is a heterogenous disease made up of at least four distinct subtypes of disease which appear to exploit and disrupt naturally occurring developmental pathways of cellular growth and hindbrain development. To better understand the driver mutations of this disease, we performed whole genome sequencing of 37 medulloblastomas and the corresponding normal DNA of the 37 affected children treated at St. Jude Children's Research Hospital. We have found several novel mutations which appear subtype specific. These mutations were checked for frequency in a separate tumor cohort of 56 children with medulloblastoma, also treated on the St. Jude Medulloblastoma 2003 trial, and were tested in several animal models of medulloblastoma for proof of oncogenic potential.</p>

| phs000409 | dbGaP

Mapping naturally presented T-cell antigens in medulloblastoma based on integrative multi-omics

Project description:Medulloblastoma is the most frequent malignant primary brain tumor in children. Despite recent advances in integrated genomics, the prognosis in children with high-risk medulloblastoma remains devastating, and new tumor-specific therapeutic approaches are needed. Here, we present an atlas of naturally presented T-cell antigens in medulloblastoma. We mapped the human leukocyte antigen (HLA)-presented peptidomes of 28 tumors and performed comparative immunopeptidome profiling against an in-house benign database. Medulloblastoma proved to be a rich source of novel tumor-associated antigens, naturally presented on HLA class I and II molecules. Remarkably, most tumor-associated peptides and proteins were subgroup-specific, whereas shared presentation among all subgroups of medulloblastoma (WNT, SHH, Group 3 and Group 4) was rare. Functional testing of top-ranking novel candidate antigens demonstrated the induction of peptide-specific T-cell responses, supporting their potential for T-cell immunotherapy. This study is an in-depth mapping of naturally presented T-cell antigens in medulloblastoma. Integration of immunopeptidomics, transcriptomics, and epigenetic data led to the identification of a large set of actionable targets that can be further used for the translation into the clinical setting by facilitating the informed design of immunotherapeutic approaches to children with medulloblastoma.

2024-08-24 | PXD043770 | Pride

Dynamic Chromatin Alteration Induces Oncogenic Hijacking by Essential Transcriptional Factors during Medulloblastoma Tumorigenesis [Multiome]

Project description:Dynamic Chromatin Alteration Induces Oncogenic Hijacking by Essential Transcriptional Factors during Medulloblastoma Tumorigenesis [Multiome]

| PRJNA1019231 | ENA

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