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Related Experiment Video

Updated: Apr 5, 2026

Modeling Human Cerebellar Development In Vitro in 2D Structure
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Ythdf2/Setd1b regulatory axis is essential for cerebellar development through regulating epigenetic reprogramming.

Xiaolong Ren1, Jing Jiang1, Xiujuan Hu1

  • 1State Key Laboratory of Reproductive Medicine and Offspring Health (Suzhou Centre), Suzhou Affiliated Hospital of Nanjing Medical University, Suzhou Municipal Hospital, Gusu School, Nanjing Medical University, Suzhou, 215002, China.

Molecular Psychiatry
|April 3, 2026
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Summary
This summary is machine-generated.

The Ythdf2 protein links N6-methyladenosine (m6A) RNA modifications to histone changes, crucial for cerebellar development. Its absence causes ataxia by disrupting neural progenitor maintenance and neuronal differentiation.

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Area of Science:

  • Neuroscience
  • Epigenetics
  • Molecular Biology

Background:

  • N6-methyladenosine (m6A) is a key epigenetic modification influencing neurodevelopment.
  • The role of m6A readers, like Ythdf2, in coordinating epitranscriptomic regulation with chromatin remodeling during cerebellar development is largely unknown.

Purpose of the Study:

  • To investigate the function of Ythdf2 in cerebellar development.
  • To elucidate the interplay between Ythdf2, m6A modification, and histone modifications in the cerebellum.

Main Methods:

  • Generation and analysis of Ythdf2 knockout (Ythdf2KO) mouse models at embryonic day 13.5 and postnatal day 3.
  • m6A RIP sequencing to assess global m6A levels and identify differentially expressed m6A-modified genes.
  • Co-immunoprecipitation to identify protein interactions between YTHDF2 and histone methyltransferases.

Main Results:

  • Ythdf2KO mice exhibited cerebellar ataxia, disrupted neural progenitor maintenance, and premature neuronal differentiation.
  • Loss of Ythdf2 led to reduced m6A levels and altered expression of genes involved in neuronal development and maturation.
  • Ythdf2 deficiency suppressed transcriptional activity by reducing H3K4me3 deposition and chromatin accessibility, interacting with SETD1B.

Conclusions:

  • Ythdf2 is essential for proper cerebellar development by linking m6A-modified transcripts to Setd1b-mediated H3K4me3 deposition.
  • This mechanism sustains chromatin accessibility and transcriptional programs vital for cerebellar development.
  • Ythdf2 acts as a critical coordinator between epitranscriptomic and epigenomic regulation in the developing cerebellum.