ArticleHuman molecular genetics2023
Cell-type specific defects in PTEN-mutant cortical organoids converge on abnormal circuit activity.
Article in Human molecular genetics, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 15 papers, 1 of them a synthesis that pooled it.
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15 citing papers in PubMed, 1 synthesis or guideline pooled it, 22 citations in OpenAlex.
- Brain volumes in genetic syndromes associated with mTOR dysregulation: a systematic review and meta-analysis.Molecular psychiatry · 2025Pooled it
- Pathological Priming and Developmental Heterochrony as Organizing Concepts in Human iPSC Models of Autism Spectrum Disorder.Molecular neurobiology · 2026Review
- Dissecting human organ development using spatial technologies.Developmental cell · 2026Review
- Advances and applications of brain organoids in central nervous system disorders: Bridging the gap from laboratory to clinic.Neural regeneration research · 2026Article
- PTEN variant and genetic backgrounds combine to modify cerebellar neuronal differentiation in autism spectrum disorder.Human molecular genetics · 2026Article
- Paeoniflorin alleviates spinal cord injury in a cell model via regulating PTEN and PI3K/AKT signaling.Open life sciences · 2026Article
- Pluripotent stem cells-based neural organoids for modelling human brain development and diseases.Cell & bioscience · 2025Review
- Molecular and Genetic Mechanisms in Autism Spectrum Disorder.Annals of neurology · 2025Review
- Cellular Characterization and Neural Electrophysiology in Cerebral Organoid Models of Neurological Disorders.Aging and disease · 2025Review
- Modelling human brain development and disease with organoids.Nature reviews. Molecular cell biology · 2025Review
- Autism risk genes converge onbioRxiv : the preprint server for biology · 2025Article
- Mechanisms of brain overgrowth in autism spectrum disorder with macrocephaly.Frontiers in neuroscience · 2025Review
- Biomechanical instability of the brain-CSF interface in hydrocephalus.Brain : a journal of neurology · 2024Review
- Using cortical organoids to understand the pathogenesis of malformations of cortical development.Frontiers in neuroscience · 2024Review
- Human pluripotent stem cell (hPSC) and organoid models of autism: opportunities and limitations.Translational psychiatry · 2023Review
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20 authors at 4 institutions in 1 country.
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Abstract
De novo heterozygous loss-of-function mutations in phosphatase and tensin homolog (PTEN) are strongly associated with autism spectrum disorders; however, it is unclear how heterozygous mutations in this gene affect different cell types during human brain development and how these effects vary across individuals. Here, we used human cortical organoids from different donors to identify cell-type specific developmental events that are affected by heterozygous mutations in PTEN. We profiled individual organoids by single-cell RNA-seq, proteomics and spatial transcriptomics and revealed abnormalities in developmental timing in human outer radial glia progenitors and deep-layer cortical projection neurons, which varied with the donor genetic background. Calcium imaging in intact organoids showed that both accelerated and delayed neuronal development phenotypes resulted in similar abnormal activity of local circuits, irrespective of genetic background. The work reveals donor-dependent, cell-type specific developmental phenotypes of PTEN heterozygosity that later converge on disrupted neuronal activity.
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