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Behavioral and Biochemical Effects of Mukia madrespatana Following Single Immobilization Stress on Rats.

ABSTRACT: BACKGROUND AND OBJECTIVES:Elevated oxidative stress has been shown to play an important role in the diagnosis and prognosis of stress and memory-related complications. Mukia madrespatana (M. madrespatana) has been reported to have various biological and antioxidant properties. We intended to evaluate the effect of M. madrespatana peel on single immobilization stress-induced behavioral deficits and memory changes in rats. Materials and Methods: M. madrespatana peel (2000 mg/kg/day, orally) was administered to control and immobilize stressed animals for 4 weeks. Anxiolytic, antidepressant, and memory-enhancing effects of M. madrespatana were observed in both unstressed and stressed animals. Results: Lipid peroxidation was decreased while antioxidant enzymes were increased in both unstressed and stressed animals. Acetylcholine level was increased while acetylcholinesterase activity was decreased in both M. madrespatana treated unstressed and stressed rats. There was also an improvement in memory function. Serotonin neurotransmission was also regulated in M. madrespatana treated rats following immobilization stress with anxiolytic and anti-depressive effects. Conclusion: Based on the current study, it is suggested that M. madrespatana has strong antioxidant properties and may be beneficial as dietary supplementation in stress and memory-related conditions.

SUBMITTER: Samad N

PROVIDER: S-EPMC7404485 | biostudies-literature | 2020 Jul

REPOSITORIES: biostudies-literature

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Behavioral and Biochemical Effects of Mukia madrespatana Following Single Immobilization Stress on Rats.

Samad Noreen N Ali Amna A Yasmin Farzana F Ullah Riaz R Bari Ahmed A

Medicina (Kaunas, Lithuania) 20200714 7

<h4>Background and objectives</h4>Elevated oxidative stress has been shown to play an important role in the diagnosis and prognosis of stress and memory-related complications. Mukia madrespatana (M. madrespatana) has been reported to have various biological and antioxidant properties. We intended to evaluate the effect of M. madrespatana peel on single immobilization stress-induced behavioral deficits and memory changes in rats. Materials and Methods: M. madrespata ...[more]

PMID: 32674473

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Project description:Objective: This study examined the effect of Xiaoyaosan and its anti-stress mechanism in rats subjected to chronic immobilization stress at the whole genome level. Methods: Rat whole genome expression chips (Illumina) were used to detect differences in hippocampal gene expression in rats from the control group (CN group), model group (M group) and Xiaoyaosan group (XYS group) that were subjected to chronic immobilization stress. The Gene Ontology terms and signaling pathways that were altered in the hippocampus gene expression profile were analyzed. The network regulating the transcription of the differentially expressed genes was also established. To verify the results from the gene chips, real-time quantitative polymerase chain reaction was used to determine the expression of the GABRA1, FADD, CRHR2, and CDK6 genes in hippocampal tissues. In situ hybridization (ISH) and immunohistochemistry were used to determine the expression of the GABRA1 and CRHR2 genes and proteins, respectively. Results: Compared with the CN group, 566 differentially expressed genes were identified in the M group. Compared with the M group, 544 differentially expressed genes were identified in the XYS group. In the M and XYS groups, multiple significantly upregulated or downregulated genes functioned in various biological processes. The cytokine receptor interaction pathway was significantly inhibited in the hippocampus of the model group. The actin cytoskeleton regulation pathway was significantly increased in the hippocampus of the XYS group. The inhibition of hippocampal cell growth was the core molecular event of network regulating the transcription of the differentially expressed genes in the model group. Promotion of the regeneration of hippocampal neurons was the core molecular event of the transcriptional regulatory network in the XYS group. The levels of the GABRA1, FADD, CRHR2 and CDK6 mRNAs, and proteins were basically consistent with the results obtained from the gene chip. Conclusion: XYS may have the ability of resistance to stress, enhancement immunity and promotion nerve cell regeneration by regulating the expression of multiple genes in numerous pathways and repaired the stress-induced impairments in hippocampal structure and function by inducing cytoskeletal reorganization. These results may provide the possible target spots in the treatment of stress in rats with XYS.

Project description:BackgroundDepression and coronary heart disease (CHD) often occur together in clinical practice. As a traditional Chinese medicine, Kai-Xin-San (KXS) has been widely used for the treatment of emotion-related disorders. In the present study, we aimed to explore whether KXS had both antidepressive effects and cardioprotective functions in a rat model of myocardial ischemia (MI) with depression.MethodsA total of 50 SD rats were randomly assigned into five groups as follows: normal control (control group), celiac injection of isopropyl adrenaline (ISO) (MI group), depression (depression group), MI+ depression (model group) and MI+ depression treated with intragastric administration of 370 mg/kg KXS (KXS group). MI was induced by subcutaneous injection of 85 mg/kg ISO. Depression was developed by a 7-week chronic mild stress (CMS) challenge. Behavioral test was conducted before and during the experiment. Echocardiography and biochemical analysis were carried out after 7 weeks of CMS challenge.ResultsAfter 7 weeks of experiment, depression-like behaviors were observed in all the groups except for control and KXS groups, and KXS treatment dramatically increased open-field test scores and sucrose consumption (P < 0.01 vs. model group). Echocardiography and biochemical analysis showed that KXS treatment could improve levels of ejection fraction (EF) and fractional shortening (FS), which were reduced by depression and ISO challenge. Meanwhile, KXS treatment significantly decreased the levels of creation kinase MB (CK-MB) and lactate dehydrogenase (LDH), which were increased in the model group. The activities of superoxide dismutase (SOD), glutathione peroxidase (GSH-PX), catalase (CAT) were increased, while the malondialdehyde (MDA) activity was significantly decreased in the KXS group. Moreover, KXS treatment reduced the levels of C-reactive protein (CRP), interleukin-6 (IL-6) and tumor necrosis factor-α (TNF-α) in myocardial tissue compared with the model group.ConclusionsKXS had antidepressant-like activity and offered cardioprotective effects against ISO-induced myocardial infarction with depression.

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Behavioral and Biochemical Effects of Mukia madrespatana Following Single Immobilization Stress on Rats.

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Behavioral and Biochemical Effects of <i>Mukia madrespatana</i> Following Single Immobilization Stress on Rats.

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