ArticleClinics (Sao Paulo, Brazil)2023
The amygdala lesioning due to status epilepticus - Changes in mechanisms controlling chloride homeostasis.
Article in Clinics (Sao Paulo, Brazil), 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed, 3 citations in OpenAlex.
- Apoptosis and Glial Marker Profiles in Hippocampus and Amygdala of Medically Intractable Temporal Lobe Epilepsy.Journal of cellular and molecular medicine · 2026Article
- An Evaluation of Cation-Chloride Cotransporters NKCC1 and KCC2 in Carbamazepine-Resistant Rats.International journal of molecular sciences · 2025Article
- Challenges and future directions of SUDEP models.Lab animal · 2024Review
- Seizures regulate the cation-ClFrontiers in neurology · 2023Article
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Authors and funding
9 authors at 4 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
objectiveAmygdala has been demonstrated as one of the brain sites involved in the control of cardiorespiratory functioning. The structural and physiological alterations induced by epileptic activity are also present in the amygdala and reflect functional changes that may be directly associated with a sudden unexpected death. Seizures are always associated with neuronal damage and changes in the expression of cation-chloride cotransporters and Na/K pumps. In this study, the authors aimed to investigate if these changes are present in the amygdala after induction of status epilepticus with pilocarpine, which may be directly correlated with Sudden Unexpected Death in Epilepsy (SUDEP).
methodsPilocarpine-treated wistar rats 60 days after Status Epilepticus (SE) were compared with control rats. Amygdala nuclei of brain slices immunostained for NKCC1, KCC2 and α
resultsThe amygdaloid complex of the animals submitted to SE had no significant difference in the NKCC1 immunoreactivity, but KCC2 immunoreactivity reduced drastically in the peri-somatic sites and in the dendritic-like processes. The α
interpretationThe findings revealed that SE induces lesion changes in the expression of KCC2 and α1-Na+/K+-ATPase meaning intense change in the chloride regulation in the amygdaloid complex. These changes may contribute to cardiorespiratory dysfunction leading to SUDEP.
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