ArticleNeuropharmacology2025
Sex-dependent role of Neuropeptide-S on anxiety, fear conditioning, and alcohol seeking in alcohol preferring rats.
Article in Neuropharmacology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers, 1 of them a synthesis that pooled it.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
3 citing papers in PubMed, 1 synthesis or guideline pooled it.
- Neuropeptide S modulation of learning and memory: a systematic review.Behavioral and brain functions : BBF · 2026Pooled it
- Electrophysiological characterization of neuropeptide S-expressing neurons in the periLC: influence of the female estrous cycle on neuronal excitability in mice.Pflugers Archiv : European journal of physiology · 2026Article
- Neuropeptidergic systems in psychiatric disorders.Frontiers in endocrinology · 2025Review
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Authors and funding
10 authors.
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Abstract
Alcohol Use Disorder (AUD) is a global health concern, with stress playing a crucial role in its development and persistence. Currently, no pharmacotherapies specifically targeting stress are approved for AUD treatment. Neuropeptide S (NPS) plays a dual role in stress regulation, exhibiting both anxiolytic and stress-enhancing effects. While NPS reduces alcohol self-administration (ASA) in alcohol preferring rats, its role in AUD-related stress and anxiety remains unclear. This study investigated the behavioral effects of NPS in male and female Marchigian Sardinian alcohol-preferring (msP) rats. To assess its impact on locomotion, anxiety, and fear memory, we conducted an open-field, an elevated plus maze (EPM), and a fear conditioning (FC) paradigm following intracerebroventricular administration of NPS. Furthermore, we examined the effects of NPS on ASA and yohimbine-induced reinstatement of alcohol-seeking in msP rats. Our results indicate that NPS administration increased locomotor activity in both sexes and selectively alleviated generalized anxiety levels in male rats in the EPM test. In the FC task, administration of NPS immediately after FC test facilitated the extinction of fear memories in females but not in males. Notably, NPS reduced ASA in both female and male rats but did not alter yohimbine-induced reinstatement of alcohol-seeking. In conclusion, NPS modulates anxiety in a sex-dependent manner. Since both alcohol and NPS alleviate anxiety and fear conditioning in msP rats, NPS may reduce alcohol intake by replacing the anxiolytic properties of alcohol. These effects appear to be sex-dependent, with NPS primarily alleviating generalized anxiety in males and facilitating fear extinction in females.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.