Comparative analysis of analgesic and anxiolytic effects of alcoholic extracts from Eryngium billardieri and Urtica dioica in a rat model of chronic pain

IF 2.6 3区 心理学 Q2 BEHAVIORAL SCIENCES Behavioural Brain Research Pub Date : 2025-03-12 DOI:10.1016/j.bbr.2025.115537
Mohammad Hosein Naeimi Ghahroodi , Zahra Bahari , Mahdi Mashhadi Akbar Boojar
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Abstract

Objective

The treatment of neuropathic pain is crucial, as it not only alleviates physical discomfort but also reduces anxiety associated with pain, ultimately enhancing the quality of life for affected individuals. This study investigates the protective effects of hydro-alcoholic extracts from Eryngium billardieri (Er) and Urtica dioica (Ur) on neuropathic pain and anxiety responses in an animal model.

Methods

40 male Wistar rats were used to investigate neuropathy induced by the chronic constriction injury (CCI) model. Animals were divided into five experimental groups (N = 8): [sham], [CCI], [CCI+Er], [CCI+Ur], and [CCI+Imipramine]. Er and Ur were administered orally for 30 days, starting on the day of surgery. Behavioral tests, including acetone for cold allodynia, the elevated plus maze for anxiety-like behaviors, and the open field for innate anxiety, were conducted on day −1 (before CCI) and on days 2, 4, 6, 14, 21, and 30. Data were analyzed by one-way analysis of variance test, and P < 0.05 was considered significant.

Results

Neuropathic surgery resulted in cold allodynia and anxiety-like behaviors throughout the experiment as compared to the sham. Er extract significantly decreased both cold allodynia and anxiety-like behaviors in the CCI group. However, Ur extract only significantly reduced cold allodynia (and not anxiety-like behaviors). Additionally, there was no difference between the analgesic effects of Er and Ur extracts.

Conclusions

These findings support the use of Er as a potential comprehensive treatment for neuropathic pain and anxiety symptoms. Future research should focus on exploring the specific mechanisms behind these effects and the potential for synergistic treatments to improve outcomes for individuals suffering from neuropathy.
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来源期刊
Behavioural Brain Research
Behavioural Brain Research 医学-行为科学
CiteScore
5.60
自引率
0.00%
发文量
383
审稿时长
61 days
期刊介绍: Behavioural Brain Research is an international, interdisciplinary journal dedicated to the publication of articles in the field of behavioural neuroscience, broadly defined. Contributions from the entire range of disciplines that comprise the neurosciences, behavioural sciences or cognitive sciences are appropriate, as long as the goal is to delineate the neural mechanisms underlying behaviour. Thus, studies may range from neurophysiological, neuroanatomical, neurochemical or neuropharmacological analysis of brain-behaviour relations, including the use of molecular genetic or behavioural genetic approaches, to studies that involve the use of brain imaging techniques, to neuroethological studies. Reports of original research, of major methodological advances, or of novel conceptual approaches are all encouraged. The journal will also consider critical reviews on selected topics.
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Comparative analysis of analgesic and anxiolytic effects of alcoholic extracts from Eryngium billardieri and Urtica dioica in a rat model of chronic pain Editorial Board The relationship between neuropsychiatric disorders and aging: A review on telomere length, oxidative stress, and inflammation White matter tract involvement in anarchic hand syndrome following stroke: Diffusion tensor imaging study Neuroprotective effect of nano-carboxymethyl chitosan from Doryteuthis sibogae against rotenone-induced Parkinson’s disease in the zebrafish model
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