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Acute depletion of complement C3 with cobra venom factor attenuates memory deficits induced by status epilepticus

Status epilepticus (SE) significantly increases the risk for the development of unprovoked seizures, memory loss, and temporal lobe epilepsy. Our prior studies showed that SE increases complement C3 signaling in… Click to show full abstract

Status epilepticus (SE) significantly increases the risk for the development of unprovoked seizures, memory loss, and temporal lobe epilepsy. Our prior studies showed that SE increases complement C3 signaling in the hippocampus, which parallels memory deficits. Additionally, C3 knockout (KO) mice were protected against SE‐induced memory impairments, suggesting a mechanistic role for C3 in this pathophysiology. In this study, we utilized cobra venom factor (CVF), a structural analog of C3 that results in its depletion, to investigate the protective effects of post‐SE C3 ablation on memory deficits that develop during epileptogenesis.

Keywords: memory; venom factor; cobra venom; memory deficits; status epilepticus

Journal Title: Epilepsia Open
Year Published: 2024

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