# Synaptic potentiation requires PARP1 activation: prevailing concepts are revisited

## TL;DR

This paper revisits the role of PARP1 in the brain, showing it's important for memory and synaptic plasticity, which could change how PARP inhibitors are used in treating neurological conditions.

## Contribution

The paper challenges the prevailing view by showing that PARP1 inhibition may interfere with synaptic plasticity and memory formation.

## Key findings

- PARP1 activity is essential for synaptic long-term potentiation and long-term memory.
- PARP inhibitors may interfere with stimulation-induced synaptic plasticity.
- PARP inhibitors could help prevent mental disorders linked to memory retrieval.

## Abstract

The therapeutic potential of PARP inhibitors in neurodegenerative diseases of the central nervous system is widely accepted. This prevailing concept is challenged by more recent findings, unveiling the role of PARP1 activity in synaptic long-term potentiation, synaptic plasticity and long-term memory. So, PARP1 inhibition, though intended to prevent memory deterioration, actually interferes with stimulation-induced synaptic plasticity and long-term memory. On the other hand, PARP inhibitors could be useful for preventing mental disorders associated with memory retrieval.