Vasopressin as a Possible Link between Sleep-Disturbances and Memory Problems.
Bibiána Török1,2, János Varga2, Dóra Zelena1,2
1Center for Neuroscience, Szentágothai Research Center, Institute of Physiology, Medical School, University of Pécs, 7624 Pécs, Hungary.
International Journal of Molecular Sciences
|December 23, 2022
Summary
Normal biological rhythms and sleep are vital for health. Vasopressin (AVP) links sleep disturbances to memory impairment, a key issue in psychiatric disorders.
Area of Science:
- Neuroscience
- Chronobiology
- Psychiatry
Background:
- Normal biological rhythms, including sleep, are crucial for health.
- Disturbances in sleep can lead to memory impairment, a common issue in psychiatric disorders.
- The suprachiasmatic nucleus regulates circadian rhythms, with vasopressin (AVP) being a key neurotransmitter involved in both circadian regulation and memory.
Purpose of the Study:
- To review the connection between vasopressin (AVP) and the interplay between sleep and memory.
- To elucidate the role of AVP in memory formation and its relation to circadian rhythm disturbances.
Main Methods:
- Review of existing human and animal data.
- Analysis of studies using AVP-deficient Brattleboro rats exhibiting sleep and memory deficits.
- Examination of data from AVP level measurements, haplotype analysis, and administration of AVP or its receptor modulators.
Main Results:
- AVP-deficient rats show EEG disturbances, reduced sleep, impaired theta oscillations, and memory deficits.
- V1a receptors, particularly in the hippocampus, are implicated in the sleep-memory interaction.
- Evidence suggests a connective role for AVP between biological rhythms and memory consolidation.
Conclusions:
- Vasopressin (AVP) plays a significant role in connecting biological rhythms, sleep, and memory formation.
- The findings support the importance of AVP in understanding and potentially treating psychopathological conditions characterized by sleep and memory disturbances.
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