ArticleCerebral cortex (New York, N.Y. : 1991)2022
Differential gene expression in layer 3 pyramidal neurons across 3 regions of the human cortical visual spatial working memory network.
Article in Cerebral cortex (New York, N.Y. : 1991), 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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6 citing papers in PubMed, 7 citations in OpenAlex.
- Alternative splicing in layer 3 pyramidal neurons differs across regions of the human cortical hierarchy.Cerebral cortex (New York, N.Y. : 1991) · 2026Article
- SpatialDG: a novel spatial domain identification method for spatially resolved transcriptomics data based on dual-graph neural network.Briefings in bioinformatics · 2026Article
- Inflammatory mechanisms underlying early Alzheimer's disease pathology: evidence from the aging rhesus macaque brain.Frontiers in cellular neuroscience · 2026Review
- Dysregulated calcium signaling in the aged primate association cortices: vulnerability to Alzheimer's disease neuropathology.Frontiers in aging neuroscience · 2025Review
- Altered excitatory and inhibitory ionotropic receptor subunit expression in the cortical visuospatial working memory network in schizophrenia.Neuropsychopharmacology : official publication of the American College of Neuropsychopharmacology · 2024Article
- Dendritic Spines: Synaptogenesis and Synaptic Pruning for the Developmental Organization of Brain Circuits.Advances in neurobiology · 2023Article
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8 authors at 3 institutions in 1 country.
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Abstract
Visual spatial working memory (vsWM) is mediated by a distributed cortical network composed of multiple nodes, including primary visual (V1), posterior parietal (PPC), and dorsolateral prefrontal (DLPFC) cortices. Feedforward and feedback information is transferred among these nodes via projections furnished by pyramidal neurons (PNs) located primarily in cortical layer 3. Morphological and electrophysiological differences among layer 3 PNs across these nodes have been reported; however, the transcriptional signatures underlying these differences have not been examined in the human brain. Here we interrogated the transcriptomes of layer 3 PNs from 39 neurotypical human subjects across 3 critical nodes of the vsWM network. Over 8,000 differentially expressed genes were detected, with more than 6,000 transcriptional differences present between layer 3 PNs in V1 and those in PPC and DLPFC. Additionally, over 600 other genes differed in expression along the rostral-to-caudal hierarchy formed by these 3 nodes. Moreover, pathway analysis revealed enrichment of genes in V1 related to circadian rhythms and in DLPFC of genes involved in synaptic plasticity. Overall, these results show robust regional differences in the transcriptome of layer 3 PNs, which likely contribute to regional specialization in their morphological and physiological features and thus in their functional contributions to vsWM.
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