BDNF/Cyclin D1 Signaling System and Cognitive Performance After Perampanel and Lacosamide Treatment Singly or in Combination in an Experimental Model of Temporal Lobe Epilepsy

  • 0Department of Pharmacology, Toxicology and Pharmacotherapy, Pharmacy Faculty, Medical University Plovdiv, 4002 Plovdiv, Bulgaria.

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Summary

This summary is machine-generated.

Perampanel and lacosamide treatments improved cognitive function and reduced anxiety in an epilepsy model. Both drugs, individually or combined, enhanced brain-derived neurotrophic factor (BDNF) and reduced Cyclin D1 levels.

Area Of Science

  • Neuroscience
  • Pharmacology
  • Epilepsy Research

Background

  • Epilepsy is a prevalent neurological disorder affecting brain function.
  • Comorbid anxiety and cognitive impairment are significant challenges in epilepsy management.
  • Temporal lobe epilepsy models are crucial for studying disease mechanisms and therapeutic interventions.

Purpose Of The Study

  • To evaluate the long-term effects of perampanel (PRM) and lacosamide (LCM) on anxiety, cognition, BDNF, and Cyclin D1 in a rat model of temporal lobe epilepsy.
  • To compare the efficacy of high-dose single-drug treatments versus low-dose combination therapy.
  • To investigate the neurobiological mechanisms underlying the therapeutic effects.

Main Methods

  • Adult Wistar rats were subjected to lithium-pilocarpine-induced status epilepticus.
  • Treatment groups included high-dose PRM, high-dose LCM, and a low-dose combination of PRM+LCM.
  • Behavioral tests (elevated plus maze, Y-maze, object recognition) assessed anxiety and memory.
  • Hippocampal expression of BDNF and Cyclin D1 was analyzed.

Main Results

  • Both high-dose single treatments and the low-dose combination of PRM and LCM significantly improved cognitive impairment, including passive learning, memory, and spatial/recognition memory.
  • Anxiety-like behaviors were ameliorated by the treatments.
  • All treatment groups showed increased hippocampal BDNF expression and decreased Cyclin D1 levels.
  • The combination therapy demonstrated comparable efficacy to single-drug treatments.

Conclusions

  • Perampanel and lacosamide, administered singly or in combination, exhibit significant anxiolytic and cognitive-enhancing effects in an epilepsy model.
  • These anticonvulsants may preserve neuronal survival and CNS homeostasis by modulating BDNF and Cyclin D1 pathways.
  • The findings suggest potential therapeutic benefits for managing comorbid anxiety and cognitive deficits in epilepsy.