ARTICLE INFO

Article Type

Original Research

Authors

Javid   Z. (1)
Hosseini   S.E. (*)






(*) Biology Department, Science Faculty, Shiraz Branch, Islamic Azad University, Shiraz, Iran
(1) Psychology Department, Human Sciences Faculty, Shiraz Branch, Islamic Azad University, Shiraz, Iran

Correspondence

Address: Science Faculty, Shiraz Branch, Islamic Azad University, Kilometer 5 of Sadra Road, Shiraz, Iran
Phone: +987143311148
Fax: +987143311172
ebrahim.hossini@yahoo.com

Article History

Received:  July  5, 2015
Accepted:  November 14, 2015
ePublished:  December 15, 2015

BRIEF TEXT


… [1-6] Echium amoenum is founded at the northern Iran [7]. The herb contains antioxidant, omega 3, omega 6, potassium nitrate, and calcium minerals [8]. … [9-18]

The severity of the symptoms of morphine withdrawal in the rats can be hugely reduced by buspirone [8]. Hydro-alcoholic extract of Echium amoenum has hypoglycemic effects on the diabetic rats and can change the levels of plasma lipoproteins and lipids [19]. … [20-24]

The aim of this study was to compare the anti-anxiety effects of the extract of Echium amoenum and buspirone that is used in treating anxiety disorders.

This is an experimental study.

Male adult rats weighing 180-200g from Laboratory Animal Breeding Center of Shiraz University of Medical Sciences were studied in Shiraz Azad University (Iran) in 2015.

80 rats were studied. All the rats were kept at 22±2°C and 12-hour darkness/light cycle.

The rats were randomly divided into two classes including severe and chronic treatments. Each class was divided into 5 groups, each group including 8 rats. The groups were control (without any treatment), witness (receiving distilled water as the medication solvent), and three experimental groups. The last three groups were “receiving 5mg/kg buspirone”, “receiving 150mg/kg hydro-alcoholic extract of Echium amoenum” [25], “receiving 5mg/kg buspirone with 150mg/kg hydro-alcoholic extract of Echium amoenum”. There were 7-day and 14-day treatments in severe and chronic classes, respectively. Percolation method was used to prepare extract of Echium amoenum [25].There was no treatment in control group. In severe and chronic classes, the rats of witness groups received 1ml distilled water daily and for 7 and 14 days, respectively. In addition, the rats of the experimental groups received buspirone, extract of Echium amoenum, and buspirone with the extract of Echium amoenum on the same doses as intra-peritoneal in time similar to witness group. Anxiety levels were measured using Cross Maze test in sever (at the end of the 7th day) and chronic (at the end of the 14th day) groups [26]. 30min after the last injection, the rat was put on the maze center, its head being towards the open arm. Data was analyzed, using SPSS 18 software, One-way ANOVA, and Post-hoc test.

There was a significant increase in the elapsed time percentage and entry times into the open arm of the maze and a significant decrease in the elapsed time and entry times into the closed arm due to 7-day intra-peritoneal administration of buspirone alone and with the extract of Echium amoenum. In addition, there was no significant difference between the anti-anxiety effects of buspirone alone and with the extract of Echium amoenum. However, concerning the percentage of the elapsed time in the open arm, the anti-anxiety effect of the extract of Echium amoenum was solely significantly less than the effects of buspirone alone and with the extract of Echium amoenum. Following 14-day intra-perioneal injection of buspirone, extract of Echium amoenum, and buspiron with the extract of Echium amoenum, there were significant increases in the percentage of the elapsed time and the entry times into the open arm, as well as a significant decrease in the percentage of the elapsed time and entry times into the closed arm, showing a reduction in the anxiety level and an increase in the treatment effect of Echium amoenum alongside a longer consumption term. In addition, there was no significant difference between different experimental groups (Table 1).

Severe and chronic consumptions of busprone and hydro-alcoholic extract of Echium amoenum led to an increase in the percentage of the elapsed time and entry times into the open arm of the cross maze. In addition, the more the treatment length, the higher the effect of the extract was. The results are consistent with some other studies [14, 17, 25, 27, 28]. Aqueous extract of Echium amoenum has anti-anxiety effects on male rats. In addition there has been no mortality among the animals [19]. Echium amoenum has anti-anxiety effects on the patients with mild to moderate anxiety during the treatment period [7]. Hydro-alcoholic extract of Echium amoenum might have anti-anxiety effects [13]. Any reduction in the level of 5HT1A leads to a higher anxiety [29]. … [30-32]

Echium amoenum should be used in preventing or treatment of anxiety.

Non-declared

Both buspirone and the extract of Echium amoenum reduce anxiety. The longer the treatment period, the stronger the effect of Echium amoenum is.

Research Deputy of Shiraz Azad University is appreciated.

Non-declared

All methods in treating the animals were according to the ethical rules.

The study was funded by Research Deputy of Shiraz Azad University.

TABLES and CHARTS

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