ArticleMolecular psychiatry2024
The lncRNA Snhg11, a new candidate contributing to neurogenesis, plasticity, and memory deficits in Down syndrome.
Article in Molecular psychiatry, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 18 papers.
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18 citing papers in PubMed, 22 citations in OpenAlex.
- A Researcher's guide to rodent models of Down syndrome: Recent insights and translational perspectives.STAR protocols · 2026Review
- Cerebellar microRNA-206 tunes Purkinje neuron firing dynamics to control sensorimotor gating.bioRxiv : the preprint server for biology · 2026Article
- Promoting Research Excellence in Down Syndrome: Proceedings of the 5th International Conference of the Trisomy 21 Research Society.Neuromolecular medicine · 2026Article
- Maternal Choline Supplementation in a Mouse Model of Down Syndrome and Alzheimer's Disease Generates Unique Expression Profile Mosaics Within Three Hippocampal Excitatory Neuronal Populations.FASEB journal : official publication of the Federation of American Societies for Experimental Biology · 2026Article
- Single-cell atlas of the developing Down syndrome brain cortex.Nature medicine · 2026Article
- Repeated Clozapine Administration Causes Extensive Changes to the Expression of Coding and Non-coding RNAs, Including miR-124, in the Mouse Frontal Cortex.Molecular neurobiology · 2025Article
- TemporalVAE: atlas-assisted temporal mapping of time-series single-cell transcriptomes during embryogenesis.Nature cell biology · 2025Article
- Comparative Single-Cell Transcriptome Analysis of c-Met Receptor Expressing and Non-Expressing Projection Neurons in the Developing Frontal and Visual Cortices.Developmental neuroscience · 2025Article
- Astrocytopathy Is Associated with CA1 Synaptic Dysfunction in a Mouse Model of Down Syndrome.Cells · 2025Article
- Benefits of Maternal Choline Supplementation on Aged Basal Forebrain Cholinergic Neurons (BFCNs) in a Mouse Model of Down Syndrome and Alzheimer's Disease.Biomolecules · 2025Article
- Identification of Long Noncoding RNA Candidate Disease Genes Associated With Clinically Reported Copy Number Variants in Congenital Heart Disease.Journal of the American Heart Association · 2025Article
- From Data Mining to Discovery: SNHG11 as a Therapeutic Target in Pulmonary Hypertension.American journal of respiratory cell and molecular biology · 2025Article
- Multimodal insights into adult neurogenesis: An integrative review of multi-omics approaches.Heliyon · 2025Review
- Profiling hippocampal neuronal populations reveals unique gene expression mosaics reflective of connectivity-based degeneration in the Ts65Dn mouse model of Down syndrome and Alzheimer's disease.Frontiers in molecular neuroscience · 2025Article
- Modeling the impact of neuromorphological alterations in Down syndrome on fast neural oscillations.PLoS computational biology · 2024Article
- Beyond Quiescent and Active: Intermediate Microglial Transcriptomic States in a Mouse Model of Down Syndrome.International journal of molecular sciences · 2024Article
- Neurodevelopmental disorders: 2024 update.Free neuropathology · 2024Article
- Lamivudine modulates the expression of neurological impairment-related genes and LINE-1 retrotransposons in brain tissues of a Down syndrome mouse model.Frontiers in aging neuroscience · 2024Article
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7 authors at 2 institutions in 1 country.
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Abstract
Down syndrome (DS) stands as the prevalent genetic cause of intellectual disability, yet comprehensive understanding of its cellular and molecular underpinnings remains limited. In this study, we explore the cellular landscape of the hippocampus in a DS mouse model, the Ts65Dn, through single-nuclei transcriptional profiling. Our findings demonstrate that trisomy manifests as a highly specific modification of the transcriptome within distinct cell types. Remarkably, we observed a significant shift in the transcriptomic profile of granule cells in the dentate gyrus (DG) associated with trisomy. We identified the downregulation of a specific small nucleolar RNA host gene, Snhg11, as the primary driver behind this observed shift in the trisomic DG. Notably, reduced levels of Snhg11 in this region were also observed in a distinct DS mouse model, the Dp(16)1Yey, as well as in human postmortem brain tissue, indicating its relevance in Down syndrome. To elucidate the function of this long non-coding RNA (lncRNA), we knocked down Snhg11 in the DG of wild-type mice. Intriguingly, this intervention alone was sufficient to impair synaptic plasticity and adult neurogenesis, resembling the cognitive phenotypes associated with trisomy in the hippocampus. Our study uncovers the functional role of Snhg11 in the DG and underscores the significance of this lncRNA in intellectual disability. Furthermore, our findings highlight the importance of DG in the memory deficits observed in Down syndrome.
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