What question did this study set out to answer?

To determine how early neural development diverges in human TSC2-mutant cells and identify accompanying genome-wide DNA methylation changes.

January 22, 2025Human Molecular GeneticsOpen Access

Human TSC2 mutant cells exhibit aberrations in early neurodevelopment accompanied by changes in the DNA Methylome

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Authors

MCMary‐Bronwen L. ChalkleyVanderbilt University LGLindsey N. GuerinVanderbilt University TITenhir IyerVanderbilt University Medical Center

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Implication

In vitro study reveals early neural differentiation defects and DNA methylation alterations in human TSC2-mutant stem cells, highlighting potential windows for prenatal therapeutic intervention.

Key Points

To determine how early neural development diverges in human TSC2-mutant cells and identify accompanying genome-wide DNA methylation changes.
Differentiated human isogenic patient-derived induced pluripotent stem cells (iPSCs) with defined TSC2 mutations along early neural lineages in vitro.
Assessed protein expression markers of lineage commitment alongside emerging cellular electrical activity.
Profiled differential DNA methylation across the genome during early neural differentiation.
TSC2-mutant cells exhibited aberrant early neurodevelopment characterized by the misexpression of lineage commitment proteins and premature electrical activity.
Differentiation defects coincided with hundreds of differentially methylated DNA regions, specifically targeting loci essential for neurodevelopment.

Cite This Study

Chalkley et al. (2025) studied this question.

synapsesocial.com/papers/6a97a2ec883af1d6c8a67632 https://doi.org/10.1093/hmg/ddae199

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Implication

In vitro study reveals early neural differentiation defects and DNA methylation alterations in human TSC2-mutant stem cells, highlighting potential windows for prenatal therapeutic intervention.

Human TSC2 mutant cells exhibit aberrations in early neurodevelopment accompanied by changes in the DNA Methylome

Discussion

Member takes

Implication

Key Points

Cite This Study

Human TSC2 mutant cells exhibit aberrations in early neurodevelopment accompanied by changes in the DNA Methylome

Discussion

Member takes

Implication

Key Points

Cite This Study

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