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This research investigates molecular changes in glial cells within the temporal lobe in epilepsy.

April 18, 2026BiologyOpen Access

Exploratory Single-Nucleus RNA Sequencing Suggests Glial-Specific NPY Upregulation and Cell-Type-Specific Metabolic Alterations in Temporal Lobe Epilepsy

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Exploratory analysis reveals cell-type-specific metabolic alterations and NPY upregulation in TLE, suggesting new research directions.

This research investigates molecular changes in glial cells within the temporal lobe in epilepsy.
Utilized single-nucleus RNA sequencing on temporal cortex samples from patients with drug-resistant TLE and controls.
Annotated seven major cell types from a total of 66,932 nuclei.
Conducted qPCR in a smaller independent cohort to confirm NPY expression trends.
Neuropeptide Y (NPY) was significantly upregulated in microglia and oligodendrocytes.
Microglia exhibited increased neuropeptide and inflammatory pathways with reduced oxidative phosphorylation attributes.
Oligodendrocytes showed altered lipid metabolism and diminished mitochondrial energy signatures.
Global intercellular communication was reduced in TLE samples.

Jiang et al. (2026) studied this question.

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