ArticleEpilepsy research2021
Glial regenerative cell types in the superficial cortex in cortical dysplasia subtypes.
Article in Epilepsy research, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper, 1 of them a synthesis that pooled it.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
1 citing paper in PubMed, 1 synthesis or guideline pooled it, 1 citations in OpenAlex.
- Molecular Signature in Focal Cortical Dysplasia: A Systematic Review of RNA and Protein Data.International journal of molecular sciences · 2025Pooled it
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Authors and funding
4 authors at 3 institutions in 1 country.
Funding
Abstract
purposeFocal Cortical Dysplasias (FCD) are localized malformative brain lesions in epilepsy. FCD3a associated with hippocampal sclerosis, affects the superficial cortex and is presumed to have an 'acquired' rather than developmental origin. Precursor cells may arise outside neurogenic zones including cortical layer I. Our aim was to characterise subsets of glial progenitor cells in the superficial cortical layers, known to be involved in gliosis and gliogenesis and that could distinguish FCD3a from other subtypes.
methodsUsing immunohistochemistry we quantified the density of glial progenitor subsets in superficial cortex layers using markers against PAX6, GFAP, Olig2 and PDGFRβ and proliferation marker MCM2 in ten FCD3a cases compared to 18 other FCD types and 11 non-FCD controls. KEY
findingsGlial progenitor cells types were present in the cortical layer I and II in all FCD groups. GFAP cells frequently expressed PAX6 and significantly higher GFAP/PAX6 than GFAP/MCM2 cell densities were identified in the FCD3a group (p < 0.05). Olig2 cell densities were significantly higher in FCD3b than FCD3a (p = 0.002) and significantly higher GFAP/MCM2 compared to PDGFRβ/MCM2 cell densities were identified in both FCD3b and FCD2 groups. There was no correlation between cell densities and the age of patients at surgery and between cortical regions. SIGNIFICANCE: Immature and proliferative glial populations across FCD variants reflect reactive cell types and differences may provide insight into underlying pathomechanisms. Higher PAX6 expression in astroglial cells in FCD3a may indicate a switch to astrocytic maturation and enhanced superficial gliosis. Higher Olig2 and GFAP/MCM2 densities in FCD3b may reflect margins of the tumour infiltration zone rather than true cortical dysplasia.
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