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Tu J, Liu Q, Sun H, Gan L. Farrerol Alleviates Diabetic Cardiomyopathy by Regulating AMPK-Mediated Cardiac Lipid Metabolic Pathways in Type 2 Diabetic Rats. Cell Biochem Biophys 2024; 82:2427-2437. [PMID: 38878100 DOI: 10.1007/s12013-024-01353-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/04/2024] [Indexed: 10/02/2024]
Abstract
Diabetic cardiomyopathy (DCM) is a prevalent complication of diabetes mellitus characterized by cardiac dysfunction and myocardial remodeling. Farrerol (FA), an active ingredient in Rhododendron with various pharmacological activities, has an unclear specific role in DCM. Therefore, this study aims to investigate the effects of FA on DCM rats and elucidate its mechanism. The type 2 diabetes mellitus (T2DM) model was induced in adult male Sprague-Dawley rats by administering a high-fat diet for 8 weeks along with STZ injection. Subsequent to successful modeling, FA and the positive drug Dapagliflozin (Dapa) were orally administered via gavage for an additional 8-week period. After administration, the rats' body weight, fasting blood glucose, fasting insulin, and blood lipid profiles were quantified. Cardiac function was assessed through evaluation of cardiac function parameters, histopathological examination and measurement of myocardial enzyme markers were conducted to assess myocardial injury and fibrosis, Oil red O staining was utilized to evaluate myocardial lipid accumulation, wheat germ agglutinin (WGA) staining was used for assessing cardiomyocyte hypertrophy, and Western blot analysis was used to detect the proteins expression level of AMP-activated protein kinase (AMPK) pathway. The rat cardiomyocyte H9c2 were induced with palmitic acid to establish an in vitro cell model of myocardial lipid toxicity. Subsequently, the cells were subjected to treatment with FA and AMPK inhibitor Compound C, followed by assessment of lipid formation and expression levels of proteins related to the AMPK signaling pathway. The findings demonstrated that both FA and Dapa exhibited efficacy in ameliorating diabetic symptoms, cardiac dysfunction, myocardial fibrosis, cardiomyocyte hypertrophy, and lipid accumulation in T2DM rats. Additionally, they were found to enhance AMPK phosphorylation and PPARα expression while down-regulating CD36. Similarly, FA was observed to inhibit lipid formation in H9c2 and activate the AMPK signaling pathway. However, the improved effect of FA on lipotoxic cardiomyocytes induced by palmitic acid was partially reversed by Compound C. Therefore, the activation of the AMPK signaling pathway by FA may enhance cardiac lipid metabolism, thereby improving cardiac dysfunction and myocardial fibrosis in DCM rats.
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MESH Headings
- Animals
- Diabetic Cardiomyopathies/metabolism
- Diabetic Cardiomyopathies/drug therapy
- Diabetic Cardiomyopathies/etiology
- Diabetic Cardiomyopathies/pathology
- Male
- Rats
- Rats, Sprague-Dawley
- AMP-Activated Protein Kinases/metabolism
- Diabetes Mellitus, Type 2/metabolism
- Diabetes Mellitus, Type 2/drug therapy
- Diabetes Mellitus, Type 2/complications
- Diabetes Mellitus, Experimental/metabolism
- Diabetes Mellitus, Experimental/drug therapy
- Diabetes Mellitus, Experimental/complications
- Lipid Metabolism/drug effects
- Myocytes, Cardiac/metabolism
- Myocytes, Cardiac/drug effects
- Myocytes, Cardiac/pathology
- Myocardium/metabolism
- Myocardium/pathology
- Cell Line
- Glucosides/pharmacology
- Glucosides/therapeutic use
- Signal Transduction/drug effects
- Benzhydryl Compounds/pharmacology
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Affiliation(s)
- Jia Tu
- Department of Critical Care Medicine, Xianning Central Hospital, The First Affiliated Hospital of Hubei University of Science and Technology, Xianning, 437199, China
| | - Qiaoling Liu
- Department of Neonatology, Xianning Central Hospital, The First Affiliated Hospital of Hubei University of Science and Technology, Xianning, 437199, China
| | - Huirong Sun
- Department of Cardiology, Xianning Central Hospital, The First Affiliated Hospital of Hubei University of Science and Technology, Xianning, 437199, China
| | - Luzhen Gan
- Department of Pharmacy, Xianning Central Hospital, The First Affiliated Hospital of Hubei University of Science and Technology, Xianning, 437199, China.
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Li M, Chen L, Liu X, Wu Y, Chen X, Chen H, Zhong Y, Xu Y. The investigation of potential mechanism of Fuzhengkangfu Decoction against Diabetic myocardial injury based on a combined strategy of network pharmacology, transcriptomics, and experimental verification. Biomed Pharmacother 2024; 177:117048. [PMID: 38959606 DOI: 10.1016/j.biopha.2024.117048] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2024] [Revised: 06/16/2024] [Accepted: 06/26/2024] [Indexed: 07/05/2024] Open
Abstract
BACKGROUND AND OBJECTIVES Diabetic cardiomyopathy (DCM) is a cardiac condition resulting from myocardial damage caused by diabetes mellitus (DM), currently lacking specific therapeutic interventions. Fuzhengkangfu decoction (FZK) plays an important role in the prevention and treatment of various cardiovascular diseases. However, the efficacy and potential mechanisms of FZK are not fully understood. This study aims to investigate the protective effect and mechanisms of FZK against DCM. METHODOLOGIES Rats were given a high-calorie diet along with a low dosage of streptozotocin (STZ) to establish a rat model of DCM. The diabetic rats received FZK or normal saline subcutaneously for 12 weeks. Echocardiography was conducted to evaluate their heart function characteristics. Rat heart morphologies were assessed using Sirius Red staining and H&E staining. Transcriptome sequencing analysis and network pharmacology were used to reveal possible targets and mechanisms. Molecular docking was conducted to validate the association between the primary components of FZK and the essential target molecules. Finally, both in vitro and in vivo studies were conducted on the cardioprotective properties and mechanism of FZK. RESULTS According to the results of network pharmacology, FZK may prevent DCM by reducing oxidative stress and preventing apoptosis. Transcriptomics confirmed that FZK protected against DCM-induced myocardial fibrosis and remodelling, as predicted by network pharmacology, and suggested that FZK regulated the expression of oxidative stress and apoptosis-related proteins. Integrating network pharmacology and transcriptome analysis results revealed that the AGE-RAGE signalling pathway-associated MMP2, SLC2A1, NOX4, CCND1, and CYP1A1 might be key targets. Molecular docking showed that Poricoic acid A and 5-O-Methylvisammioside had the highest docking activities with these targets. We further conducted in vivo experiments, and the results showed that FZK significantly attenuated left ventricular remodelling, reduced myocardial fibrosis, and improved cardiac contractile function. And, our study demonstrated that FZK effectively reduced oxidative stress and apoptosis of cardiomyocytes. The data showed that Erk, NF-κB, and Caspase 3 phosphorylation was significantly inhibited, and Bcl-2/Bax was significantly increased after FZK treatment. In vitro, FZK significantly reduced AGEs-induced ROS increase and apoptosis in cardiomyocytes. Furthermore, FZK significantly inhibited the phosphorylation of Erk and NF-κB proteins and decreased the expression of MMP2. All the results confirmed that FZK inhibited the activation of the Erk/NF-κB pathway in AGE-RAGE signalling and alleviated oxidative stress and apoptosis of cardiomyocytes. In summary, we verified that FZK protects against DCM by inhibiting myocardial apoptotic remodelling through the suppression of the AGE-RAGE signalling pathway. CONCLUSION In conclusion, our research indicates that FZK demonstrates anti-cardiac dysfunction properties by reducing oxidative stress and cardiomyocyte apoptosis through the AGE-RAGE pathway in DCM, showing potential for therapeutic use.
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Affiliation(s)
- Miaofu Li
- Department of Cardiology, Hangzhou First People's Hospital, Zhejiang University School of Medicine, Hangzhou 310006, China
| | - Liuying Chen
- Department of Cardiology, Hangzhou First People's Hospital, Zhejiang University School of Medicine, Hangzhou 310006, China
| | - Xiaohua Liu
- Department of Cardiology, Hangzhou First People's Hospital, Zhejiang University School of Medicine, Hangzhou 310006, China
| | - Yirong Wu
- Department of Cardiology, Hangzhou First People's Hospital, Zhejiang University School of Medicine, Hangzhou 310006, China
| | - Xuechun Chen
- Department of Cardiology, Hangzhou First People's Hospital, Zhejiang University School of Medicine, Hangzhou 310006, China
| | - Huimin Chen
- The Fourth School of Clinical Medicine, Zhejiang Chinese Medical University, Hangzhou, China
| | - Yigang Zhong
- Department of Cardiology, Hangzhou First People's Hospital, Zhejiang University School of Medicine, Hangzhou 310006, China
| | - Yizhou Xu
- Department of Cardiology, Hangzhou First People's Hospital, Zhejiang University School of Medicine, Hangzhou 310006, China.
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Li W, Liu X, Liu Z, Xing Q, Liu R, Wu Q, Hu Y, Zhang J. The signaling pathways of selected traditional Chinese medicine prescriptions and their metabolites in the treatment of diabetic cardiomyopathy: a review. Front Pharmacol 2024; 15:1416403. [PMID: 39021834 PMCID: PMC11251973 DOI: 10.3389/fphar.2024.1416403] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2024] [Accepted: 06/11/2024] [Indexed: 07/20/2024] Open
Abstract
Diabetic cardiomyopathy (DCM) is a myocardial-specific microvascular disease caused by diabetes that affects the structure and function of the heart and is considered to be the leading cause of morbidity and death in patients with diabetes. Currently, there is no specific treatment or preventive drug for DCM, and there is an urgent need to develop new drugs to treat DCM. Traditional Chinese medicine (TCM) has rich experience in the treatment of DCM, and its characteristics of multi-target, multi-pathway, multi-component, and few side effects can effectively deal with the complexity and long-term nature of DCM. Growing evidence suggests that myocardial fibrosis, inflammation, oxidative stress, apoptosis, cardiac hypertrophy, and advanced glycation end product deposition were the main pathologic mechanisms of DCM. According to the pathological mechanism of DCM, this study revealed the potential of metabolites and prescriptions in TCM against DCM from the perspective of signaling pathways. The results showed that TGF-β/Smad, NF-κB, PI3K/AKT, Nrf2, AMPK, NLRP3, and Wnt/β-catenin signaling pathways were the key signaling pathways for TCM treatment of DCM. The aim of this study was to summarize and update the signaling pathways for TCM treatment of DCM, to screen potential targets for drug candidates against DCM, and to provide new ideas and more experimental evidence for the clinical use of TCM treatment of DCM.
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Affiliation(s)
- Wencan Li
- Department of Clinical Pharmacy, Xiangtan Central Hospital, Xiangtan, Hunan, China
| | - Xiang Liu
- Department of Clinical Pharmacy, Xiangtan Central Hospital, Xiangtan, Hunan, China
| | - Zheng Liu
- Department of Clinical Pharmacy, Xiangtan Central Hospital, Xiangtan, Hunan, China
| | - Qichang Xing
- Department of Clinical Pharmacy, Xiangtan Central Hospital, Xiangtan, Hunan, China
| | - Renzhu Liu
- Department of Clinical Pharmacy, Xiangtan Central Hospital, Xiangtan, Hunan, China
| | - Qinxuan Wu
- Hunan Provincial Key Laboratory of the Research and Development of Novel Pharmaceutical Preparations, The “Double-First Class” Application Characteristic Discipline of Hunan Province (Pharmaceutical Science), Changsha Medical University, Changsha, Hunan, China
| | - Yixiang Hu
- Department of Clinical Pharmacy, Xiangtan Central Hospital, Xiangtan, Hunan, China
| | - Jiani Zhang
- Department of Pharmacy, Xiangtan Central Hospital, Xiangtan, Hunan, China
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Shao X, Zeng W, Wang Q, Liu S, Guo Q, Luo D, Luo Q, Wang D, Wang L, Zhang Y, Diao H, Piao S, Yan M, Guo J. Fufang Zhenzhu Tiaozhi (FTZ) suppression of macrophage pyroptosis: Key to stabilizing rupture-prone plaques. JOURNAL OF ETHNOPHARMACOLOGY 2024; 324:117705. [PMID: 38219878 DOI: 10.1016/j.jep.2024.117705] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/09/2023] [Revised: 01/01/2024] [Accepted: 01/02/2024] [Indexed: 01/16/2024]
Abstract
BACKGROUND Research on the Chinese herbal formula Fufang Zhenzhu Tiaozhi (FTZ) has demonstrated its effectiveness in treating hyperlipidemia and glycolipid metabolic disorders. Additionally, FTZ has shown inhibitory effects on oxidative stress, regulation of lipid metabolism, and reduction of inflammation in these conditions. However, the precise mechanisms through which FTZ modulates macrophage function in atherosclerosis remain incompletely understood. Therefore, this study aims to investigate whether FTZ can effectively stabilize rupture-prone plaques by suppressing macrophage pyroptosis and impeding the development of M1 macrophage polarization in ApoE-/- mice. METHODS To assess the impact of FTZ on macrophage function and atherosclerosis in ApoE-/- mice, we orally administered FTZ at a dosage of 1.2 g/kg body weight daily for 14 weeks. Levels of interleukin-18 and interleukin-1β were quantified using ELISA kits to gauge FTZ's influence on inflammation. Total cholesterol content was measured with a Cholesterol Assay Kit to evaluate FTZ's effect on lipid metabolism. Aortic tissues were stained with Oil Red O, and immunohistochemistry techniques were applied to assess atherosclerotic lesions and plaque stability. To evaluate the effects of FTZ on macrophage pyroptosis and oxidative damage, immunofluorescence staining was utilized. Additionally, we conducted an analysis of protein and mRNA expression levels of NLRP3 inflammasome-related genes and macrophage polarization-related genes using RT-PCR and western blotting techniques. RESULTS This study illustrates the potential therapeutic effectiveness of FTZ in mitigating the severity of atherosclerosis and improving serum lipid profiles by inhibiting inflammation. The observed enhancements in atherosclerosis severity and inflammation can be attributed to the suppression of NLRP3 inflammasome activity and M1 polarization by FTZ. CONCLUSION The current findings indicate that FTZ provides protection against atherosclerosis, positioning it as a promising candidate for novel therapies targeting atherosclerosis and related cardiovascular diseases.
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Affiliation(s)
- Xiaoqi Shao
- Guangdong Metabolic Diseases Research Center of Integrated Chinese and Western Medicine (Institute of Chinese Medicine), Guangdong Pharmaceutical University, Guangzhou 510006, China.
| | - Wenru Zeng
- Guangdong Metabolic Diseases Research Center of Integrated Chinese and Western Medicine (Institute of Chinese Medicine), Guangdong Pharmaceutical University, Guangzhou 510006, China.
| | - Qing Wang
- Guangdong Metabolic Diseases Research Center of Integrated Chinese and Western Medicine (Institute of Chinese Medicine), Guangdong Pharmaceutical University, Guangzhou 510006, China.
| | - Suping Liu
- Guangdong Metabolic Diseases Research Center of Integrated Chinese and Western Medicine (Institute of Chinese Medicine), Guangdong Pharmaceutical University, Guangzhou 510006, China.
| | - Qiaoling Guo
- Guangdong Metabolic Diseases Research Center of Integrated Chinese and Western Medicine (Institute of Chinese Medicine), Guangdong Pharmaceutical University, Guangzhou 510006, China.
| | - Duosheng Luo
- Guangdong Metabolic Diseases Research Center of Integrated Chinese and Western Medicine (Institute of Chinese Medicine), Guangdong Pharmaceutical University, Guangzhou 510006, China.
| | - Qingmao Luo
- Guangdong Metabolic Diseases Research Center of Integrated Chinese and Western Medicine (Institute of Chinese Medicine), Guangdong Pharmaceutical University, Guangzhou 510006, China.
| | - Dongwei Wang
- Guangdong Metabolic Diseases Research Center of Integrated Chinese and Western Medicine (Institute of Chinese Medicine), Guangdong Pharmaceutical University, Guangzhou 510006, China.
| | - Lexun Wang
- Guangdong Metabolic Diseases Research Center of Integrated Chinese and Western Medicine (Institute of Chinese Medicine), Guangdong Pharmaceutical University, Guangzhou 510006, China.
| | - Yue Zhang
- Guangdong Metabolic Diseases Research Center of Integrated Chinese and Western Medicine (Institute of Chinese Medicine), Guangdong Pharmaceutical University, Guangzhou 510006, China.
| | - Hongtao Diao
- Guangdong Metabolic Diseases Research Center of Integrated Chinese and Western Medicine (Institute of Chinese Medicine), Guangdong Pharmaceutical University, Guangzhou 510006, China.
| | - Shenghua Piao
- Guangdong Metabolic Diseases Research Center of Integrated Chinese and Western Medicine (Institute of Chinese Medicine), Guangdong Pharmaceutical University, Guangzhou 510006, China.
| | - Meiling Yan
- Guangdong Metabolic Diseases Research Center of Integrated Chinese and Western Medicine (Institute of Chinese Medicine), Guangdong Pharmaceutical University, Guangzhou 510006, China.
| | - Jiao Guo
- Guangdong Metabolic Diseases Research Center of Integrated Chinese and Western Medicine (Institute of Chinese Medicine), Guangdong Pharmaceutical University, Guangzhou 510006, China; Key Laboratory of Glucolipid Metabolic Disorder, Ministry of Education of China, Guangdong Pharmaceutical University, Guangzhou 510006, China; Guangdong Key Laboratory of Metabolic Disease Prevention and Treatment of Traditional Chinese Medicine, Guangzhou 510006, China.
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Ao L, Chen Z, Yin J, Leng Y, Luo Y, Fu X, Liu H, Liu X, Gao H, Xie C. Chinese herbal medicine and active ingredients for diabetic cardiomyopathy: molecular mechanisms regulating endoplasmic reticulum stress. Front Pharmacol 2023; 14:1290023. [PMID: 38027018 PMCID: PMC10661377 DOI: 10.3389/fphar.2023.1290023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2023] [Accepted: 10/23/2023] [Indexed: 12/01/2023] Open
Abstract
Background: Diabetic cardiomyopathy (DCM) is one of the serious microvascular complications of diabetes mellitus. It is often associated with clinical manifestations such as arrhythmias and heart failure, and significantly reduces the quality of life and years of survival of patients. Endoplasmic reticulum stress (ERS) is the removal of unfolded and misfolded proteins and is an important mechanism for the maintenance of cellular homeostasis. ERS plays an important role in the pathogenesis of DCM by causing cardiomyocyte apoptosis, insulin resistance, calcium imbalance, myocardial hypertrophy and fibrosis. Targeting ERS is a new direction in the treatment of DCM. A large number of studies have shown that Chinese herbal medicine and active ingredients can significantly improve the clinical outcome of DCM patients through intervention in ERS and effects on myocardial structure and function, which has become one of the hot research directions. Purpose: The aim of this review is to elucidate and summarize the roles and mechanisms of Chinese herbal medicine and active ingredients that have the potential to modulate endoplasmic reticulum stress, thereby contributing to better management of DCM. Methods: Databases such as PubMed, Web of Science, China National Knowledge Internet, and Wanfang Data Knowledge Service Platform were used to search, analyze, and collect literature, in order to review the mechanisms by which phytochemicals inhibit the progression of DCM by targeting the ERS and its key signaling pathways. Keywords used included "diabetic cardiomyopathy" and "endoplasmic reticulum stress." Results: This review found that Chinese herbs and their active ingredients can regulate ERS through IRE1, ATF6, and PERK pathways to reduce cardiomyocyte apoptosis, ameliorate myocardial fibrosis, and attenuate myocardial hypertrophy for the treatment of DCM. Conclusion: A comprehensive source of information on potential ERS inhibitors is provided in this review. The analysis of the literature suggests that Chinese herbal medicine and its active ingredients can be used as potential drug candidates for the treatment of DCM. In short, we cannot ignore the role of traditional Chinese medicine in regulating ERS and treating DCM, and look forward to more research and new drugs to come.
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Affiliation(s)
- Lianjun Ao
- Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan, China
| | - Zhengtao Chen
- Affiliated Hospital of Jiangxi University of Chinese Medicine, Nanchang, Jiangxi, China
| | - Jiacheng Yin
- Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan, China
| | - Yulin Leng
- Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan, China
| | - Yue Luo
- Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan, China
| | - Xiaoxu Fu
- Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan, China
- TCM Regulating Metabolic Diseases Key Laboratory of Sichuan Province, Chengdu, Sichuan, China
- Department of Endocrinology, Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Hanyu Liu
- Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan, China
| | - Xiaoke Liu
- Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan, China
- Department of Endocrinology, Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Hong Gao
- Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan, China
- TCM Regulating Metabolic Diseases Key Laboratory of Sichuan Province, Chengdu, Sichuan, China
- Department of Endocrinology, Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Chunguang Xie
- Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan, China
- TCM Regulating Metabolic Diseases Key Laboratory of Sichuan Province, Chengdu, Sichuan, China
- Department of Endocrinology, Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, China
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