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Targeting Histone Demethylase LSD1 for Treatment of Deficits in Autism Mouse Models [ChIP-seq]

ABSTRACT: We performed chromatin immunoprecipitation sequencing (ChIPseq) to profile genome-wide occupancy of H3K4me2 in PFC from WT mice and Shank3 +/∆C Tau mice.

ORGANISM(S): Mus musculus

PROVIDER: GSE193404 | GEO | 2022/01/13

REPOSITORIES: GEO

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Targeting Histone Demethylase LSD1 for Treatment of Deficits in Autism Mouse Models [RNA-seq]

Project description:We performed RNAseq experiments to examine genome-wide transcriptional changes in PFC of Shank3 +/∆C mice with or without GSK-LSD1 treatment.

2022-01-13 | GSE193380 | GEO

Epigenetic Rescue of Autism-like Social Deficits in Shank3-Deficient Mouse Models

Project description:To determine whether histone deacetylase (HDAC) inhibition has genome-wide effects on gene expression, we used RNA sequencing to analyze the mRNA profile in prefrontal cortex (PFC) of wild-type (WT) and Shank3-deficient (Shank3+/ΔC) mice treated with romidespin or saline control. We mapped the sequences to 24,420 mouse genes. Compared to WT, 365 genes in saline-treated Shank3+/ΔC mice showed a change in expression values of at least 1.2 fold and p ≤ 0.01 (213 downregulated, 152 upregulated). In romidepsin-treated Shank3+/ΔC mice, ~88% of the downregulated genes (n=187 genes) were normalized to control values. Further analysis of the romidepsin-restored genes revealed enrichment in actin cytoskeleton-mediated transport, signal transduction pathways, and developmental processes.

2018-03-12 | GSE109328 | GEO

Targeting Histone K4 Trimethylation for Treatment of Cognitive and Synaptic Deficits of Mouse Models of Alzheimer's Disease (ChIP-seq)

Project description:We performed chromatin immunoprecipitation sequencing (ChIPseq) to profile genome-wide occupancy of H3K4me3 in PFC from WT mice and P301S Tau mice

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Amelioration of autism-like social deficits by targeting histone methyltransferases EHMT1/2 in Shank3-deficient mice

Project description:Many of the genes disrupted in autism are identified as histone-modifying enzymes and chromatin remodelers, most prominently those that mediate histone methylation/demethylation. However, the role of histone methylation enzymes in the pathophysiology and treatment of autism remains unknown. To address this, we used mouse models of haploinsufficiency of the Shank3 gene (a highly penetrant monogenic autism risk factor), which exhibits prominent autism-like social deficits. We found that histone methyltransferases EHMT1 and EHMT2, as well as histone lysine 9 dimethylation (specifically catalyzed by EHMT1/2), were selectively increased in the prefrontal cortex (PFC) of Shank3-deficient mice and autistic human postmortem brains. Treatment with the EHMT1/2 inhibitor UNC0642 or knockdown of EHMT1/2 in PFC induced a robust rescue of autism-like social deficits in Shank3-deficient mice, and restored NMDAR-mediated synaptic function. Activityregulated cytoskeleton-associated protein (Arc) was identified as one of the causal factors underlying the rescuing effects of UNC0642 on NMDAR function and social behaviors in Shank3-deficient mice. UNC0642 treatment also restored a large set of genes involved in neural signaling in PFC of Shank3-deficient mice. These results suggest that targeting histone methylation enzymes to adjust gene expression and ameliorate synaptic defects could be a potential therapeutic strategy for autism.

2020-07-29 | GSE155291 | GEO

Targeting Histone Demethylase LSD1 for Treatment of Deficits in Autism Mouse Models

Project description:This SuperSeries is composed of the SubSeries listed below.

2022-01-13 | GSE193405 | GEO

Targeting Histone K4 Trimethylation for Treatment of Cognitive and Synaptic Deficits of Mouse Models of Alzheimer's Disease (RNA-seq)

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Epigenetic Treatment of Behavioral and Physiological Deficits in a Tauopathy Mouse Model

Project description:We performed RNAseq experiments to examine genome-wide transcriptional changes in PFC of P301S Tau mice with or without UNC0642 treatment.

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Targeting Histone Demethylase LSD1 for Treatment of Deficits in Autism Mouse Models

Project description:Targeting Histone Demethylase LSD1 for Treatment of Deficits in Autism Mouse Models

| PRJNA796036 | ENA

Epigenetic Rescue of Autism-like Social Deficits in Shank3-Deficient Mouse Models

Project description:Epigenetic Rescue of Autism-like Social Deficits in Shank3-Deficient Mouse Models

| PRJNA430439 | ENA

Inhibition of TRPV4 rescues impaired excitability and social deficits in NAc-specific Shank3-deficient mice.

Project description:We used AAV transfection of Shank3 shRNA to study the effect of Shank3 knock down in Nucleus Accumbens neurons. We find that Shank3 knock down leads to social deficits and hyperexcitability of Nucleus Accumbens D1-MSN. Bulk RNA sequencing shows that D1-MSN with Shank3 knock down upregulate TRPV4 and its subsequent antagonist driven inhibition leads to both a rescue of D1-MSN hyperexcitability and social deficit.

2022-10-01 | GSE139683 | GEO

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