Shuganheweitang Ameliorates Chronic Unpredictable Mild Stress-Induced Depression-Like Behaviors in Rats through the PI3K/AKT/mTOR Pathway: Involvement of Amino Acids, Glycerophospholipids, and Energy Metabolism — Oak Academic Publishing
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Shuganheweitang Ameliorates Chronic Unpredictable Mild Stress-Induced Depression-Like Behaviors in Rats through the PI3K/AKT/mTOR Pathway: Involvement of Amino Acids, Glycerophospholipids, and Energy Metabolism
Key Laboratory of Hubei Province Resource and Chemistry of Chinese Medicine, Hubei University of Chinese Medicine, Wuhan, China
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College of Pharmacy, Hubei University of Chinese Medicine, Wuhan, China
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College of Pharmacy, Hubei University of Chinese Medicine, Wuhan, China
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College of Pharmacy, Hubei University of Chinese Medicine, Wuhan, China
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Clinical College of Chinese Medicine, Hubei University of Chinese Medicine, Wuhan, China
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Key Laboratory of Hubei Province Resource and Chemistry of Chinese Medicine, Hubei University of Chinese Medicine, Wuhan, China
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Key Laboratory of Hubei Province Resource and Chemistry of Chinese Medicine, Hubei University of Chinese Medicine, Wuhan, China
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Key Laboratory of Hubei Province Resource and Chemistry of Chinese Medicine, Hubei University of Chinese Medicine, Wuhan, China
,
Key Laboratory of Hubei Province Resource and Chemistry of Chinese Medicine, Hubei University of Chinese Medicine, Wuhan, China
,
Key Laboratory of Hubei Province Resource and Chemistry of Chinese Medicine, Hubei University of Chinese Medicine, Wuhan, China
,
Clinical College of Chinese Medicine, Hubei University of Chinese Medicine, Wuhan, China
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Key Laboratory of Hubei Province Resource and Chemistry of Chinese Medicine, Hubei University of Chinese Medicine, Wuhan, China
1 Key Laboratory of Hubei Province Resource and Chemistry of Chinese Medicine, Hubei University of Chinese Medicine, Wuhan, China
2 College of Pharmacy, Hubei University of Chinese Medicine, Wuhan, China
3 College of Pharmacy, Hubei University of Chinese Medicine, Wuhan, China
4 College of Pharmacy, Hubei University of Chinese Medicine, Wuhan, China
5 Clinical College of Chinese Medicine, Hubei University of Chinese Medicine, Wuhan, China
6 Key Laboratory of Hubei Province Resource and Chemistry of Chinese Medicine, Hubei University of Chinese Medicine, Wuhan, China
7 Key Laboratory of Hubei Province Resource and Chemistry of Chinese Medicine, Hubei University of Chinese Medicine, Wuhan, China
8 Key Laboratory of Hubei Province Resource and Chemistry of Chinese Medicine, Hubei University of Chinese Medicine, Wuhan, China
9 Key Laboratory of Hubei Province Resource and Chemistry of Chinese Medicine, Hubei University of Chinese Medicine, Wuhan, China
10 Key Laboratory of Hubei Province Resource and Chemistry of Chinese Medicine, Hubei University of Chinese Medicine, Wuhan, China
11 Clinical College of Chinese Medicine, Hubei University of Chinese Medicine, Wuhan, China
12 Key Laboratory of Hubei Province Resource and Chemistry of Chinese Medicine, Hubei University of Chinese Medicine, Wuhan, China
Background: Depression is a typical psychosomatic disease. Shuganheweitang (SGHWT) is a clinical formula that effectively treats depression. However, the potential mechanism used by SGHWT to ameliorate depression-like behaviors is still unclear. This study investigated the effects of SGHWT on metabolic change in the liver and hypothalamus with signaling pathways involved in chronic unpredictable mild stress (CUMS)-induced depression in rats to explore the mechanism of the anti-depressive effect. Methods: A total of 52 rats were u sed to create a model of depression by CUMS combined with solitary rearing for 6 weeks. Open field test (OFT), sucrose preference test (SPT), forced swim test (FST), and body weight (BW) were performed to analyze the pharmacodynamic effects of SGHWT. H&E staining, Nissl staining, immunofluorescence, immunohistochemistry, and western blot were used to evaluate th e mechanism of action. Untargeted metabolomics techniques by ultra-performance liquid chromatography-quantitative time-of-flight tandem mass spectrometry (UPLC-Q-TOF-MS/MS) were used to analyze all the metabolic differences in the liver and hypothalamus. Results: SGHWT improved CUMS-induced depression-like behaviors in vivo . SGHWT reduced hepatic c-Fos protein expression and increased hypothalamic c-Fos protein expression. Moreover, p-PI3K, p-AKT473, p-AKT308, and p-mTOR protein expressions were significantly downregulated in the liver and hypothalamus of CUMS rats. Notably, these alterations were reversed by the SGHWT administration. Furthermore, the metabolomic analysis identified 15 and 5 key differential SPT-associated metabolites in the liver and hypothalamus, respectively. Conclusion: This study suggests that SGHWT ameliorates chronic unpredictable mild stress-induced depression-like behaviors, by the involvement of amino acids, glycerophospholipids, energy metabolism, and the PI3K/AKT/mTOR pathway. Highlights: 1) Shuganheweitang was derived from the TCM herbal formula Sinisan. 2) SGHWT treatment reverses depression-like behaviors in CUMS-induced rats. 3) The mechanism of SGHWT on depression by the liver and hypothalamus metabolomics. 4) SGHWT regulates amino acids, glycerophospholipids, and energy metabolism. 5) SGHWT exerts antidepressant effects through the PI3K/AKT/mTOR pathway.
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