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Mutant IDH1 inhibition induces dsDNA sensing to activate tumor immunity [RRBS]

ABSTRACT: Mutant IDH1 inhibition induces dsDNA sensing to activate tumor immunity [RRBS]

PROVIDER: PRJNA1103856 | ENA |

REPOSITORIES: ENA

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Mutant IDH1 inhibition induces dsDNA sensing to activate tumor immunity

Project description:Mutant IDH1 inhibition induces dsDNA sensing to activate tumor immunity

| PRJNA1103851 | ENA

Mutant IDH1 inhibition induces dsDNA sensing to activate tumor immunity [RRBS]

Project description:Isocitrate Dehydrogenase 1 (IDH1) is the most commonly mutated metabolic gene across human cancers. Mutant IDH1 (mIDH1) generates the oncometabolite (R)-2-hydroxyglutarate, disrupting enzymes involved in epigenetics and other processes. A hallmark of IDH1-mutant solid tumors is T cell exclusion, whereas mIDH1 inhibition in preclinical models restores anti-tumor immunity. Here, we define a cell-autonomous mechanism of mIDH1-driven immune evasion. IDH1-mutant solid tumors show striking, selective hypermethylation and silencing of the cytoplasmic dsDNA sensor, CGAS, compromising innate immune signaling. mIDH1 inhibition restores DNA demethylation, derepressing CGAS and transposable element (TE) subclasses. dsDNA produced by TE-reverse transcriptase activates cGAS, triggering viral mimicry and stimulating anti-tumor immunity. Thus, we demonstrate that mIDH1 epigenetically suppresses innate immunity and link endogenous reverse transcriptase activity to the mechanism of action of an FDA-approved oncology drug.

2024-04-28 | GSE264722 | GEO

Mutant IDH1 inhibition induces dsDNA sensing to activate tumor immunity [human_cgas_AZT_rnaseq]

Project description:Mutant IDH1 inhibition induces dsDNA sensing to activate tumor immunity [human_cgas_AZT_rnaseq]

| PRJNA1104232 | ENA

Mutant IDH1 inhibition induces dsDNA sensing to activate tumor immunity [human_ICC_rnaseq]

Project description:Mutant IDH1 inhibition induces dsDNA sensing to activate tumor immunity [human_ICC_rnaseq]

| PRJNA1103686 | ENA

Mutant IDH1 inhibition induces dsDNA sensing to activate tumor immunity [mouse_ICC_rnaseq]

Project description:Mutant IDH1 inhibition induces dsDNA sensing to activate tumor immunity [mouse_ICC_rnaseq]

| PRJNA1103859 | ENA

Mutant IDH1 inhibition induces dsDNA sensing to activate tumor immunity (mouse_vivo_cgas_RT_rnaseq)

Project description:Mutant IDH1 inhibition induces dsDNA sensing to activate tumor immunity (mouse_vivo_cgas_RT_rnaseq)

| PRJNA1106055 | ENA

Mutant IDH1 inhibition induces dsDNA sensing to activate tumor immunity [mouse_vivo_tet2_rnaseq]

Project description:Mutant IDH1 inhibition induces dsDNA sensing to activate tumor immunity [mouse_vivo_tet2_rnaseq]

| PRJNA1106056 | ENA

Mutant IDH1 inhibition induces dsDNA sensing to activate tumor immunity [human_glioma_rnaseq]

Project description:Mutant IDH1 inhibition induces dsDNA sensing to activate tumor immunity [human_glioma_rnaseq]

| PRJNA1103857 | ENA

Mutant IDH1 inhibition induces dsDNA sensing to activate tumor immunity [mouse_glioma_rnaseq]

Project description:Mutant IDH1 inhibition induces dsDNA sensing to activate tumor immunity [mouse_glioma_rnaseq]

| PRJNA1103858 | ENA

Mutant IDH1 inhibition induces dsDNA sensing to activate tumor immunity [human WGBS]

Project description:Mutant IDH1 inhibition induces dsDNA sensing to activate tumor immunity [human WGBS]

| PRJNA1104550 | ENA

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