Cited by 0Genetics and Neurodevelopmental DisordersGenomics and Rare DiseasesGenomics and Chromatin Dynamics

Dysfunction of a SET3-like complex underlies a family of related neurological disorders

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Paton, Katie M., Alexander-Howden, Beatrice, Hare, Jenna I., Guy, Jacky, Chhatbar, Kashyap, Yudina, Maria, Morris, Stanley T., Walls, Robyn +4 more·2026·Nature Communications

Published version of a preprint

Abstract

TBLR1 is a subunit of the NCoR corepressor complex that is mutated in a range of neurodevelopmental disorders. Here, we report that TBLR1 functions as a molecular scaffold that physically connects ANKRD11 and SETD5 – two of the most frequently mutated proteins in neurodevelopmental disorders – and links them to the rest of the NCoR complex. The resulting assembly resembles the yeast SET3 complex (SET3C) – a transcriptional regulator. Pathogenic missense mutations in TBLR1, ANKRD11 and SETD5 disrupt this assembly, and an engineered mutation that specifically abolishes SETD5 incorporation into SET3C causes severe developmental impairments in mice. Disruptions of mammalian SET3C components cause highly correlated changes in gene expression – including upregulation of already highly transcribed genes. Together, our results reveal that failure of transcriptional regulation by SET3C is a convergent molecular basis for a family of neurodevelopmental disorders.

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Authors
Paton, K. M., Alexander-Howden, B., Hare, J. I., Guy, J., Chhatbar, K., Yudina, M., Morris, S. T., Walls, R., Mathieson, T., Spanos, C., Bird, A. P., & Lyst, M. J.
Affiliations
  • Wellcome Centre for Cell Biology (GB)
  • Roslin Institute (GB)
Corresponding author
  • Bird, Adrian P.
  • Lyst, Matthew J.
Venue
Nature Communications
Published
2026-05-16
Volume
17
Issue
1
ISSN
2041-1723 (ISSN-L)
OpenAlex
W4410879377
Cited by
0
References
81
FWCI
0.00
Type
journal article
Language
en
Open access
Locations
  • Nature Communications (publishedVersion, cc-by)
  • bioRxiv (Cold Spring Harbor Laboratory) (acceptedVersion, cc-by-nc-nd)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion)
  • Edinburgh Research Explorer (University of Edinburgh) (submittedVersion, cc-by)
Funders
  • Wellcome Trust (107930, 226791)
  • Simons Foundation (SFARI-529085)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genetics and Neurodevelopmental Disorders
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genomics and Rare Diseases
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Genomics and Chromatin Dynamics
Keywords
SETD5, ANKRD11, neurodevelopmental disorders, missense mutations, transcriptional regulation, molecular scaffolds, gene upregulation
MeSH terms
Animals, Humans, Nervous System Diseases, Nuclear Proteins, Repressor Proteins, Mutation, Missense, Mice, Neurodevelopmental Disorders

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