ArticleAmerican journal of human genetics2020
De Novo Variants in CNOT1, a Central Component of the CCR4-NOT Complex Involved in Gene Expression and RNA and Protein Stability, Cause Neurodevelopmental Delay.
Article in American journal of human genetics, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 32 papers.
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32 citing papers in PubMed, 54 citations in OpenAlex.
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- Bazedoxifene reverses sexually dimorphic autistic-like abnormalities in biallelic MDGA1-mutant mice.EMBO molecular medicine · 2026Article
- Genetic risk loci for Parkinson's disease and dementia in a large-scale population-based Taiwanese cohort (TPMI).The Lancet regional health. Western Pacific · 2026Article
- Modeling patient variants ofbioRxiv : the preprint server for biology · 2026Article
- From chromatin to proteostasis: multilevel gene regulation in Mendelian diseases.Frontiers in epigenetics and epigenomics · 2026Review
- The CCR4-NOT complex: a multifaceted sensor of molecular signals instructing eukaryotic mRNA translation and stability.Nucleic acids research · 2025Review
- Machine learning driven multiomics analysis identifies disulfidptosis associated molecular subtypes in ovarian cancer.Scientific reports · 2025Article
- Using Whole Exome Sequencing to Identify Genetic Causes of Neurodevelopmental Disorders in a Cohort of 11 Patients: A Single Center Experience.International journal of molecular sciences · 2025Article
- mRNA stability fine-tunes gene expression in the developing cortex to control neurogenesis.PLoS biology · 2025Article
- Development and validation of machine learning-based diagnostic models using blood transcriptomics for early childhood diabetes prediction.Frontiers in medicine · 2025Article
- PRC1 Protein Subcomplexes Architecture: Focus on the Interplay between Distinct PCGF Subunits in Protein Interaction Networks.International journal of molecular sciences · 2024Article
- Pancreas agenesis and fetal growth: a semi-quantitative analysis.Endocrine connections · 2024Review
- Epigenome-wide association study on methamphetamine dependence.Addiction biology · 2024Article
- Clinical characteristics and identification of novelHeliyon · 2024Article
- Novel In-Frame DeletionNeurology. Genetics · 2024Article
- Integrating non-mammalian model organisms in the diagnosis of rare genetic diseases in humans.Nature reviews. Genetics · 2024Review
- Species-specific FMRP regulation of RACK1 is critical for prenatal cortical development.Neuron · 2023Article
- Genome-wide significant risk loci for mood disorders in the Old Order Amish founder population.Molecular psychiatry · 2023Article
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73 authors at 20 institutions in 10 countries.
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No grant is acknowledged in the PubMed record.
Abstract
CNOT1 is a member of the CCR4-NOT complex, which is a master regulator, orchestrating gene expression, RNA deadenylation, and protein ubiquitination. We report on 39 individuals with heterozygous de novo CNOT1 variants, including missense, splice site, and nonsense variants, who present with a clinical spectrum of intellectual disability, motor delay, speech delay, seizures, hypotonia, and behavioral problems. To link CNOT1 dysfunction to the neurodevelopmental phenotype observed, we generated variant-specific Drosophila models, which showed learning and memory defects upon CNOT1 knockdown. Introduction of human wild-type CNOT1 was able to rescue this phenotype, whereas mutants could not or only partially, supporting our hypothesis that CNOT1 impairment results in neurodevelopmental delay. Furthermore, the genetic interaction with autism-spectrum genes, such as ASH1L, DYRK1A, MED13, and SHANK3, was impaired in our Drosophila models. Molecular characterization of CNOT1 variants revealed normal CNOT1 expression levels, with both mutant and wild-type alleles expressed at similar levels. Analysis of protein-protein interactions with other members indicated that the CCR4-NOT complex remained intact. An integrated omics approach of patient-derived genomics and transcriptomics data suggested only minimal effects on endonucleolytic nonsense-mediated mRNA decay components, suggesting that de novo CNOT1 variants are likely haploinsufficient hypomorph or neomorph, rather than dominant negative. In summary, we provide strong evidence that de novo CNOT1 variants cause neurodevelopmental delay with a wide range of additional co-morbidities. Whereas the underlying pathophysiological mechanism warrants further analysis, our data demonstrate an essential and central role of the CCR4-NOT complex in human brain development.
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