Endogenous opiates and behavior: 2005

RJ Bodnar, GE Klein - Peptides, 2006 - Elsevier
This paper is the 28th consecutive installment of the annual review of research concerning
the endogenous opioid system, now spanning over a quarter-century of research. It …

Increased anxiety-like behaviors in rats experiencing chronic inflammatory pain

AJ Parent, N Beaudet, H Beaudry, J Bergeron… - Behavioural brain …, 2012 - Elsevier
For many patients, chronic pain is often accompanied, and sometimes amplified, by co-
morbidities such as anxiety and depression. Although it represents important challenges, the …

Opioids and anxiety

A Colasanti, EA Rabiner… - Journal of …, 2011 - journals.sagepub.com
The opioid system plays a crucial role in the neural modulation of anxiety. The involvement
of opioid ligands and receptors in physiological and dysfunctional forms of anxiety is …

The flavonoid glycosides, myricitrin, gossypin and naringin exert anxiolytic action in mice

SP Fernandez, M Nguyen, TT Yow, C Chu… - Neurochemical …, 2009 - Springer
The consumption of flavonoid-rich foods, in particular fruits and vegetables, has been
epidemiologically associated with a reduced risk of heart disease, neurodegenerative …

Anxiety-like behaviour in rats with mononeuropathy is reduced by the analgesic drugs morphine and gabapentin

K Roeska, H Doods, K Arndt, RD Treede, A Ceci - Pain, 2008 - Elsevier
Anxiety has been described as an important comorbidity in patients suffering from chronic
pain. However, in animals the connection between persistent pain and anxiety has hardly …

Anxiety profile in morphine-dependent and withdrawn rats: effect of voluntary exercise

H Miladi-Gorji, A Rashidy-Pour, Y Fathollahi - Physiology & behavior, 2012 - Elsevier
Withdrawal from chronic opiates is associated with an increase in anxiogenic-like
behaviours, but the anxiety profile in the morphine-dependent animals is not clear. Thus …

Involvement of opioidergic system of the ventral hippocampus, the nucleus accumbens or the central amygdala in anxiety-related behavior

MR Zarrindast, S Babapoor-Farrokhran… - Life sciences, 2008 - Elsevier
In the present study, the influence of opioidergic system of the ventral hippocampus, the
nucleus accumbens or the central amygdala on anxiety-related behaviour was investigated …

Anxiolytic-like effects of mitragynine in the open-field and elevated plus-maze tests in rats

AI Hazim, S Ramanathan, S Parthasarathy… - The journal of …, 2014 - Springer
The effects of mitragynine on anxiety-related behaviours in the open-field and elevated plus-
maze tests were evaluated. Male Sprague–Dawley rats were orally treated with mitragynine …

Development of anxiety‐like behaviors during adolescence: Persistent effects of adolescent morphine exposure in male rats

F Khani, A Pourmotabbed… - Developmental …, 2022 - Wiley Online Library
Epidemiological studies show the prevalence of opioid use, misuse and abuse in
adolescents, which imposes social and economic accountability worldwide. Chronic opioid …

Effects of morphine on rat behaviour in the elevated plus maze: the role of central amygdala dopamine receptors

A Rezayof, S Hosseini, MR Zarrindast - Behavioural brain research, 2009 - Elsevier
The objective of the present study was to evaluate the possible role of dopamine D1/D2
receptors of the central amygdala (CeA) on morphine-induced anxiolytic-like behaviour in …