ArticleNeurobiology of disease2024
Scaling of smaller pyramidal neuron size and lower energy production in schizophrenia.
Article in Neurobiology of disease, 2024. 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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Who cites it
6 citing papers in PubMed, 6 citations in OpenAlex.
- Cellular and subcellular localization of the copper transporter CTR1 in human postmortem hippocampus and striatum.Scientific reports · 2026Article
- Cortical Transcriptomic Profiling Reveals Cellular and Mitochondrial Adaptive Stress Signatures That Differ Between Schizophrenia and Bipolar Disorder.Schizophrenia bulletin · 2026Article
- Investigating neural impairments in psychotic disorders using electroencephalography and cortical spheroids.Translational psychiatry · 2026Article
- Can Sodium Oxybate Mitigate the Symptoms of Schizophrenia?Current neuropharmacology · 2026Review
- Neuronal Synaptic Communication and Mitochondrial Energetics in Human Health and Disease.Advances in experimental medicine and biology · 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
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Authors and funding
4 authors at 1 institution in 1 country.
Funding
Abstract
backgroundDorsolateral prefrontal cortex (DLPFC) dysfunction in schizophrenia appears to reflect alterations in layer 3 pyramidal neurons (L3PNs), including smaller cell bodies and lower expression of mitochondrial energy production genes. However, prior somal size studies used biased strategies for identifying L3PNs, and somal size and levels of energy production markers have not been assessed in individual L3PNs. STUDY
designWe combined fluorescent in situ hybridization (FISH) of vesicular glutamate transporter 1 (VGLUT1) mRNA and immunohistochemical-labeling of NeuN to determine if the cytoplasmic distribution of VGLUT1 mRNA permits the unbiased identification and somal size quantification of L3PNs. Dual-label FISH for VGLUT1 mRNA and cytochrome C oxidase subunit 4I1 (COX4I1) mRNA, a marker of energy production, was used to assess somal size and COX4I1 transcript levels in individual DLPFC L3PNs from schizophrenia (12 males; 2 females) and unaffected comparison (13 males; 1 female) subjects. STUDY
resultsMeasures of L3PN somal size with NeuN immunohistochemistry or VGLUT1 mRNA provided nearly identical results (ICC = 0.96, p < 0.0001). Mean somal size of VGLUT1-identified L3PNs was 8.7% smaller (p = 0.004) and mean COX4I1 mRNA levels per L3PN were 16.7% lower (p = 0.01) in schizophrenia. These measures were correlated across individual L3PNs in both subject groups (r
conclusionsThis preliminary study presents a novel method for combining unbiased neuronal identification with quantitative assessments of somal size and mRNA levels. We replicated findings of smaller somal size and lower COX4I1 mRNA levels in DLPFC L3PNs in schizophrenia. The normal scaling of COX4I1 mRNA levels with somal size in schizophrenia suggests that lower markers of energy production are secondary to L3PN morphological alterations in the illness.
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