Zhang Z, He P. Behavioral analysis of mental and psychological abnormalities and their significance in rats with functional constipation.
Shijie Huaren Xiaohua Zazhi 2018;
26:1914-1919. [DOI:
10.11569/wcjd.v26.i33.1914]
[Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
AIM
To observe, compare, and analyze the behavior of rats with functional constipation and evaluate the psycho-logical basis for their behavior.
METHODS
Sixty SD rats with a male-female ratio of 1:1 were randomly and equally divided into three groups: a severe constipation group, a mild constipation group, and a control group. Constipation was induced in rats by intragastric administration of compound diphenoxylate. The difference between the severe constipation group and mild constipation group was the severity of constipate symptoms, which was caused by the difference in the dose of compound diphenoxylate used. The weight and defecation of each group were recorded after constipation was modeled successfully. Behaviors of all the groups were assessed by the empty bottle stress test (aggression, modification, and exploration), elevated plus-maze test (anxiety), and sucrose preference test (depression). The data obtained were then statistically analyzed.
RESULTS
In the empty bottle stress test, neither aggressive behavior nor modified behavior in both mild and severe constipation rats had a significant change compared with the control group; however, exploratory behavior showed a statistical change which seemed to be related with the severity of symptoms. No significant difference was observed among all groups in the elevated plus-maze test. As to the sucrose preference test, the sugar water consumption and preference degree of rats with severe constipation were significantly lower than those of the control group, while no difference was observed between the mild constipation group and control group.
CONCLUSION
The severity of constipate symptoms might be related to the dosage of modeling drugs. Also, the severity of symptoms is positively correlated with the behavioral abnormality. However, the behavioral performance of constipation rats is complicated, and the psychological state is generally inclined to depression.
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