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Androgen activity in the male embryonic hindbrain drives lethal PFA ependymoma [mm_FCG_scRNA_batch2]

ABSTRACT: In this study, we examine transcriptional sex differences between developing male and female hindbrain cells and their role in PFA pathogenesis, primarily in the poor prognosis of male patients.

ORGANISM(S): Mus musculus

PROVIDER: GSE311730 | GEO | 2026/03/25

REPOSITORIES: GEO

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Androgen activity in the male embryonic hindbrain drives lethal PFA ependymoma [mm_MF_Dev_scRNA_batch2]

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Project description:Androgen activity in the male embryonic hindbrain drives lethal PFA ependymoma [mm_MF_Dev_scRNA_batch1]

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Androgen activity in the male embryonic hindbrain drives lethal PFA ependymoma [mm_FCG_scRNA_batch1]

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Metabolic Regulation of the Epigenome Drives Lethal Infantile Ependymoma

Project description:PFA ependymomas are a lethal glial malignancy of the hindbrain found in babies and toddlers. Lacking any highly recurrent somatic mutations, PFAs have been proposed as a largely epigenetically driven tumor type. An almost complete lack of model systems has inhibited discovery of novel PFA therapies. Both in vitro and in vivo, the PFA hypoxic microenvironment controls the availability of specific metabolites to diminish histone methylation, and to increase both histone demethylation and acetylation at H3K27. PFA ependymoma initiates from a cell lineage in the first trimester of human development where there is a known hypoxic microenvironment. Unique to PFA cells, transient exposure to ambient oxygen results in irreversible cellular toxicity. PFA tumors exhibit a low basal level of H3K27me3, and paradoxically inhibition of H3K27 methylation shows significant and specific activity against PFA. Targeting metabolism and/or the epigenome presents a unique opportunity for rational therapy for infants with PFA ependymoma.

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Metabolic Regulation of the Epigenome Drives Lethal Infantile Ependymoma

Project description:Posterior fossa type A (PFA) ependymomas are a lethal glial malignancy of the hindbrain found in babies and toddlers. Lacking any highly recurrent somatic mutations, PFAs have been proposed as a largely epigenetically driven tumor type. An almost complete lack of model systems has inhibited discovery of novel PFA therapies. Both in vitro and in vivo, the PFA hypoxic microenvironment controls the availability of specific metabolites to diminish histone methylation, and to increase both histone demethylation and acetylation at H3K27. PFA ependymoma initiates from a cell lineage in the first trimester of human development where there is a known hypoxic microenvironment. Unique to PFA cells, transient exposure to ambient oxygen results in irreversible cellular toxicity. PFA tumors exhibit a low basal level of H3K27me3, and paradoxically inhibition of H3K27 methylation shows significant and specific activity against PFA. Targeting metabolism and/or the epigenome presents a unique opportunity for rational therapy for infants with PFA ependymoma.

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Metabolic regulation of the epigenome drives lethal infantile ependymoma [Cut&Run]

Project description:PFA (posterior fossa group A) ependymomas are a lethal glial malignancy of the hindbrain found in infants and toddlers. Lacking any highly recurrent somatic mutations, PFAs have been proposed as a largely epigenetically driven tumor type. An almost complete lack of model systems has inhibited discovery of novel PFA therapies. Both in vitro and in vivo, the PFA hypoxic microenvironment controls the availability of specific metabolites to diminish histone methylation, and to increase both histone demethylation and acetylation at H3K27. PFA ependymoma initiates from a cell lineage in the first trimester of human development where there is a known hypoxic microenvironment. Unique to PFA cells, transient exposure to ambient oxygen results in irreversible cellular toxicity. PFA tumors exhibit a low basal level of H3K27me3, and paradoxically inhibition of H3K27 methylation shows significant and specific activity against PFA. Targeting metabolism and/or the epigenome presents a unique opportunity for rational therapy for infants with PFA ependymoma.

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