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Showing 2 results for Temporal Epilepsy
Omolbanin Payami, Volume 6, Issue 2 (4-2018)
Abstract
Temporal epilepsy is a common neurological disorder that begins before adulthood. Two -way factors in causing epilepsy and continuing attacks can be inflammation that is caused by immune system and infection. The hippocampus and amygdala are part of a limbic system that relies on memory and emotional regulation. The purpose of this study was to review the effect of epileptic-induced inflammation on the hippocampus and amygdala based on neuroimaging. In a vast library search, the keywords "neuropathic inflammation, temporal epilepsy, amp; hippocampus amygdala" were searched for the pedagogical, pedagogical, science and medical sciences databases, as well as Google Scholar in a five-year period. 50 related articles were identified in English, review articles showed that, contrary to the common view that the cause of temporal epilepsy is the onset of the hippocampus, chronic inflammation resulting from trauma and infection can be an important component in epilepsy. In a recent study on animal and human models that were performed through neuronal imaging, a range of hippocampus and amygdala malformations was observed, which significantly explained the poor performance of memory and learning among affected children than peers. Inflammation, as an effective factor in epilepsy, causes specific biochemical changes in the neurotransmitter of TNFX and decreases glutamate and neuronal levels in the cystic gyrus. Given the available evidence, neuroimaging as an inflammatory diagnostic tool can lead to early epilepsy treatment.
Zeinab Najmi, Sayed Mostafa Modarres Mousavi, Volume 6, Issue 3 (7-2018)
Abstract
Introduction: Aquaporin-4 (AQP4) express in glial cells and plays a crucial role in brain water and ion homeostasis during rapid neural activity. Only AQP-4 has been found in astrocyte, which is widely expressed throughout the brain, especially in the cerebrospinal fluid and cerebrospinal fluid (CSF) interface, which may have contributed to edema and CSF absorption. Mesial temporal lobe epilepsy (MTLE) is a chronic seizure disorder that is often refractory to epilepsy treatment. The main cause of MTLE is not fully understood, but the ability to hyperexcitability in neuronal networks is an essential feature. Loss of AQP4 from perivascular endfeet of sclerotic hippocampus contributes to increased seizure propensity in human MTLE. Conclusion: In conclusion, mislocalization of AQP4 in different regions of hippocampus may contribute to the epileptogenicity of the MTLE patients.
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