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January 1, 2025Журнал высшей нервной деятельности им И П Павлова / I P Pavlov Journal of Higher Nervous Activity

The Role of Actin Depolymerization in the Mechanisms of LTP Consolidation

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Authors

IKI. V. Kudryashova

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Overview

Experiments reveal actin depolymerization may not impair LTP consolidation, suggesting local protein synthesis is key.

Key Points

  • This research explores how actin depolymerization affects long-term potentiation (LTP) consolidation in the hippocampus.
  • Studied rat hippocampal slices' LTP profile after high frequency stimulation of Schaffer collaterals.
  • Used jasplakinolide to inhibit actin depolymerization before tetanization and stopped infusion after 15 minutes.
  • Conducted correlation analysis to isolate jasplakinolide effects on consolidation from early LTP magnitudes.
  • Posttetanic amplitude was significantly less in the experimental group with jasplakinolide compared to controls.
  • Depotentiation was absent in the jasplakinolide group, indicating potential improved LTP maintenance.
  • LTP maintenance was not confirmed to be impaired, suggesting alternative mechanisms may be involved.

Cite This Study

I. V. Kudryashova (2025) studied this question.

synapsesocial.com/papers/69255737c0ce034ddc35aed7https://doi.org/10.7868/s3034531625050083
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