scholarly journals Behavioral alterations in open field test in an experimental model of prostatitis

2019 ◽  
Vol 70 (4) ◽  
pp. 34-40
Author(s):  
Aleksa Zubelić ◽  
Božo Knežević ◽  
Željko Grubač ◽  
Nikola Šutulović ◽  
Olivera Stanojlović ◽  
...  
Keyword(s):  
Experimental Model ◽  
Open Field ◽  
Field Test ◽  
Open Field Test ◽  
Behavioral Alterations

scholarly journals Antidepressant-like action of hypoxic postconditioning is accompanied by the up-regulation of hippocampal hif-1α and erythropoietin

2020 ◽  
Author(s):  
Mikhail Yu. Zenko ◽  
Elena A. Rybnikova
Keyword(s):  
Experimental Model ◽  
Open Field ◽  
Field Test ◽  
Learned Helplessness ◽  
Open Field Test ◽  
Plasma Corticosterone ◽  
Behavioral Deficit ◽  
Downstream Target ◽  
Footshock Stress ◽  
Hypoxic Postconditioning

Objective. The aim of the study was to reveal the role of HIF-1 in the effects of hypoxic postconditioning in the rat experimental model of depression "learned helplessness". Materials and methods. The studies were performed in the "learned helplessness" paradigm which represents a reliable experimental model of depression in rats. The development of the pathology was evaluated in the behavioral open field test and by the baseline level of plasma corticosterone. Correction of behavioral deficit was performed by three episodes of hypoxic postconditioning (360 mmHg, 2 h). Changes in the immunopositivity of HIF-1 and erythropoietin in the hippocampus of rats were evaluated. An inhibitor of HIF-1 subunit translation topotecan (1 mg/kg, i.p., Santa Cruz, USA) was used on the 4th day after the footshock stress. On the 9th day, animals were tested in the open field test to assess the level of depressive-like behavior. Results. It was shown that postconditioning by three episodes of mild hypobaric hypoxia resulted in the correction of behavioral deficit produced by the "learned helplessness aversive stress, and the levels of corticosterone did not differ from the baseline in these animals. These behavioral and hormonal effects were accompanied by the increased level of immunopositive HIF-1 and its transcriptional downstream target erythropoietin in the dorsal and ventral hippocampus. Using of HIF-1 inhibitor topotecan dramatically worsen the severity of the depressive-like symptoms. Conclusion. The findings suggest that HIF-1 appears to have the antidepressant-like activities and that hypoxic postconditioning-induced stimulation of HIF-1 and erythropoietin level might contribute to the endogenous mechanisms which compensate for the pathogenic effects of stressors, particularly for the development of stress-induced depression.

scholarly journals Assessment of homeopathic medicine Aconitum napellus in the treatment of anxiety in an animal model

2021 ◽  
Vol 11 (38) ◽  
pp. 33-42
Author(s):  
Gabriele Baptista Haine ◽  
Samarah Hamidi El Ghandour ◽  
Sâmia Ahmad El Ghandour ◽  
Andersom Ricardo Fréz
Keyword(s):  
Experimental Model ◽  
Open Field ◽  
Field Test ◽  
Open Field Test ◽  
Rattus Rattus ◽  
Negative Control ◽  
Locomotor System ◽  
Homeopathic Medicine ◽  
Aconitum Napellus ◽  
Male Wistar Rats

Background: Aconitum napellus is a classic resource of complementary medicine for the treatment of patients exhibiting neurological symptoms of anxiety. Aim: To assess the action of homeopathic medicine Acon in the treatment of generalized anxiety in an experimental model using rats. Methods: 48 adult (two to three months old) male Wistar rats (Rattus rattus) were randomly divided in six groups (n= 8/treatment) and given the following treatments by gastric tube along 10 days: 1) control (diazepam 1 mg/kg/day); 2) negative control (0.15 mL saline solution/day); 3) ACH6 (0.15 mL Acon (6cH/day); 4) ACH12 (0.15 mL Acon 12cH/day); 5) ACH30 (0.15 mL Acon 30cH/day); and 6) ALC30 (0.15 mL 30% cereal alcohol/day). Behavioral effects were blindly and randomly assessed in elevated plus maze (EPM) and open field test. Results: Acon in dilutions 12cH and 30cH exhibited possible anxiolytic effects on the central nervous system (CNS) since they increased the number of entries in the EPM open arms (12cH and 30cH) and the permanence time in the EPM open arms (30cH only). In the open field test the homeopathic preparations did not show effects on the locomotor system of rats. Conclusion: Dilutions 12cH and 30cH of Acon exhibited anxiolytic effects on the CNS in an animal experimental model.

scholarly journals Toxicity and Neuropharmacological Effects of Elenine

2011 ◽  
Vol 2011 ◽  
pp. 1-10 ◽  
Author(s):  
Eduardo Navarro ◽  
S. J. Alonso ◽  
R. Navarro
Keyword(s):  
Open Field ◽  
Field Test ◽  
Chemical Structure ◽  
Open Field Test ◽  
Control Group ◽  
General Behaviour ◽  
Similar Chemical ◽  
Sedative Effects ◽  
Traction Test ◽  
Central Depressant

Elenine is the aglycone of elenoside, a cytotoxic arylnaphthalene lignan (NSC 644013-W/1) derived fromJusticia hyssopifolia. (Family: Acanthaceae). Elenoside is a β-D-glucoside, with a similar chemical structure to etoposide, exhibiting central depressant activity. In the present study, elenine was given to mice and rats at doses of 10, 20, and 40 mg/kg. Acute toxicity (24 h) and general behaviour in mice was studied as well as its effects on muscular relaxant activity, locomotor activity (Varimex test), and the open-field test and were compared with 10 mg/kg of chlorpromazine. Elenine produced a reduction in the permanence time in muscular relaxant activity (traction test). Spontaneous activity was lower in the Varimex test. The ambulation and rearing were lower compared with the control group, and an increase in boluses was observed in the open-field test. Thus, it can be concluded that elenine has central sedative effects at lower doses than those used with elenoside and has a possible application in conditions of anxiety.

scholarly journals Participation ofGABAAChloride Channels in the Anxiolytic-Like Effects of a Fatty Acid Mixture

2013 ◽  
Vol 2013 ◽  
pp. 1-7 ◽  
Author(s):  
Juan Francisco Rodríguez-Landa ◽  
Rosa Isela García-Ríos ◽  
Jonathan Cueto-Escobedo ◽  
Blandina Bernal-Morales ◽  
Carlos M. Contreras
Keyword(s):  
Open Field ◽  
Field Test ◽  
Chloride Channels ◽  
Wistar Rats ◽  
Elevated Plus Maze ◽  
Open Field Test ◽  
Acid Mixture ◽  
Plus Maze ◽  
Gaba Binding ◽  
Defensive Burying

Human amniotic fluid and a mixture of eight fatty acids (FAT-M) identified in this maternal fluid (C12:0, lauric acid, 0.9 μg%; C14:0, myristic acid, 6.9 μg%; C16:0, palmitic acid, 35.3 μg%; C16:1, palmitoleic acid, 16.4 μg%; C18:0, stearic acid, 8.5 μg%; C18:1cis, oleic acid, 18.4 μg%; C18:1trans, elaidic acid, 3.5 μg%; C18:2, linoleic acid, 10.1 μg%) produce anxiolytic-like effects that are comparable to diazepam in Wistar rats, suggesting the involvement ofγ-aminobutyric acid-A (GABAA) receptors, a possibility not yet explored. Wistar rats were subjected to the defensive burying test, elevated plus maze, and open field test. In different groups, threeGABAAreceptor antagonists were administered 30 min before FAT-M administration, including the competitive GABA binding antagonist bicuculline (1 mg/kg),GABAAbenzodiazepine antagonist flumazenil (5 mg/kg), and noncompetitiveGABAAchloride channel antagonist picrotoxin (1 mg/kg). The FAT-M exerted anxiolytic-like effects in the defensive burying test and elevated plus maze, without affecting locomotor activity in the open field test. TheGABAAantagonists alone did not produce significant changes in the behavioral tests. Picrotoxin but not bicuculline or flumazenil blocked the anxiolytic-like effect of the FAT-M. Based on the specific blocking action of picrotoxin on the effects of the FAT-M, we conclude that the FAT-M exerted its anxiolytic-like effects throughGABAAreceptor chloride channels.

Acute effects of ethanol on behavioral responses of male and female zebrafish in the open field test with the influence of a non-familiar object

2021 ◽  
pp. 104474
Author(s):  
Thiele P. Souza ◽  
Francini Franscescon ◽  
Flavia V. Stefanello ◽  
Talise E. Müller ◽  
Laura W. Santos ◽  
...  
Keyword(s):  
Open Field ◽  
Field Test ◽  
Open Field Test ◽  
Behavioral Responses ◽  
Familiar Object ◽  
Acute Effects ◽  
Male And Female ◽  
Female Zebrafish

Garcinia Camobogia Extract Alters Anxiety, Sociability, and Dopamine Turnover in Male Swiss Albino Mice

2021 ◽  
Author(s):  
Michael K. Ibrahim ◽  
Marina Aboelsaad ◽  
Fatma Tony ◽  
Moustafa Sayed
Keyword(s):  
Open Field ◽  
Field Test ◽  
Open Field Test ◽  
Modern Medicine ◽  
Receptor Expression ◽  
Dopamine Turnover ◽  
Male Mice ◽  
Garcinia Cambogia ◽  
Swiss Albino Mice ◽  
Albino Mice

Abstract Background: Obesity is a global concern, closely allied with somatic and psychosomatic disorders. Herbal drugs are available in modern medicine to treat obesity. Garcinia camobogia being used by so many people trying to lose weight produces various systemic side effects. The study was conducted to assess its effect on anxiety, sociability, and dopamine turnover in male mice. Methodology: Male Swiss albino mice of either were divided into three groups with seven mice in each group. Different groups were given distilled water (0.5ml p.o.) and Garcinia cambogia extract at two different doses (100mg/kg and 500 mg/kg p.o.). Effect of test drugs on anxiety was evaluated using open field test. Sociability and social novelty were evaluated using three chambers test. Results (mean ± standard deviation) were analyzed using one-way ANOVA test followed by Tukey’s test. Result: Garcinia cambogia extract significantly increased the time spent in the corners in the open field test, significantly reduced sociability and social novelty in the three chamber test, significantly reduced dopamine turnover and increased D2 receptor expression in ventral tegmental area. Conclusion: Garcinia cambogia extract have significant anxiogenic effect along with reduced sociability and social novelty in male mice. Moreover, these effects could be related to the altered dopamine turnover and D2 receptor expression in mice brain.

Early deprivation increases high-leaning behavior, a novel anxiety-like behavior, in the open field test in rats

2017 ◽  
Vol 123 ◽  
pp. 27-35 ◽  
Author(s):  
Hiroshi Kuniishi ◽  
Satoshi Ichisaka ◽  
Miki Yamamoto ◽  
Natsuko Ikubo ◽  
Sae Matsuda ◽  
...  
Keyword(s):  
Open Field ◽  
Field Test ◽  
Open Field Test ◽  
Early Deprivation
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