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Li D, Feng G, Li Y, Pan H, Luo P, Liu B, Ding T, Wang X, Xu H, Zhao Y, Zhang C. Benefits of Huang Lian mediated by gut microbiota on HFD/STZ-induced type 2 diabetes mellitus in mice. Front Endocrinol (Lausanne) 2023; 14:1120221. [PMID: 36742405 PMCID: PMC9889990 DOI: 10.3389/fendo.2023.1120221] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/09/2022] [Accepted: 01/03/2023] [Indexed: 01/19/2023] Open
Abstract
BACKGROUND Huang Lian (HL), one of the traditional Chinese medicines (TCMs) that contains multiple active components including berberine (BBR), has been used to treat symptoms associated with diabetes for thousands of years. Compared to the monomer of BBR, HL exerts a better glucose-lowering activity and plays different roles in regulating gut microbiota. However, it remains unclear what role the gut microbiota plays in the anti-diabetic activity of HL. METHODS In this study, a type 2 diabetes mellitus (T2DM) mouse model was induced with a six-week high-fat diet (HFD) and a one-time injection of streptozotocin (STZ, 75 mg/kg). One group of these mice was administrated HL (50 mg/kg) through oral gavage two weeks after HFD feeding commenced and continued for four weeks; the other mice were given distilled water as disease control. Comprehensive analyses of physiological indices related to glycolipid metabolism, gut microbiota, untargeted metabolome, and hepatic genes expression, function prediction by PICRUSt2 were performed to identify potential mechanism. RESULTS We found that HL, in addition to decreasing body fat accumulation, effectively improved insulin resistance by stimulating the hepatic insulin-mediated signaling pathway. In comparison with the control group, HL treatment constructed a distinct gut microbiota and bile acid (BA) profile. The HL-treated microbiota was dominated by bacteria belonging to Bacteroides and the Clostridium innocuum group, which were associated with BA metabolism. Based on the correlation analysis, the altered BAs were closely correlated with the improvement of T2DM-related markers. CONCLUSION These results indicated that the anti-diabetic activity of HL was achieved, at least partly, by regulating the structure of the gut microbiota and the composition of BAs.
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Affiliation(s)
- Dan Li
- State Key Laboratory of Microbial Metabolism, School of Life Sciences and Biotechnology, Shanghai Jiao Tong University, Shanghai, China
| | - Guangli Feng
- State Key Laboratory of Microbial Metabolism, School of Life Sciences and Biotechnology, Shanghai Jiao Tong University, Shanghai, China
| | - Yue Li
- State Key Laboratory of Microbial Metabolism, School of Life Sciences and Biotechnology, Shanghai Jiao Tong University, Shanghai, China
| | - Han Pan
- State Key Laboratory of Microbial Metabolism, School of Life Sciences and Biotechnology, Shanghai Jiao Tong University, Shanghai, China
| | - Pei Luo
- State Key Laboratory of Microbial Metabolism, School of Life Sciences and Biotechnology, Shanghai Jiao Tong University, Shanghai, China
| | - Bo Liu
- Pharmacodynamics and Toxicology Evaluation Center, Jilin Provincial Academy of Traditional Chinese Medicine, Jilin, China
| | - Tao Ding
- Pharmacodynamics and Toxicology Evaluation Center, Jilin Provincial Academy of Traditional Chinese Medicine, Jilin, China
| | - Xin Wang
- Pharmacodynamics and Toxicology Evaluation Center, Jilin Provincial Academy of Traditional Chinese Medicine, Jilin, China
| | - Huibo Xu
- Pharmacodynamics and Toxicology Evaluation Center, Jilin Provincial Academy of Traditional Chinese Medicine, Jilin, China
| | - Yufeng Zhao
- State Key Laboratory of Microbial Metabolism, School of Life Sciences and Biotechnology, Shanghai Jiao Tong University, Shanghai, China
| | - Chenhong Zhang
- State Key Laboratory of Microbial Metabolism, School of Life Sciences and Biotechnology, Shanghai Jiao Tong University, Shanghai, China
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Yamogenin-Induced Cell Cycle Arrest, Oxidative Stress, and Apoptosis in Human Ovarian Cancer Cell Line. MOLECULES (BASEL, SWITZERLAND) 2022; 27:molecules27238181. [PMID: 36500274 PMCID: PMC9740764 DOI: 10.3390/molecules27238181] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/27/2022] [Revised: 11/16/2022] [Accepted: 11/22/2022] [Indexed: 11/25/2022]
Abstract
Steroidal saponins are a group of compounds with complex structures and biological activities. They have anti-inflammatory, antimicrobial, fungicidal, and antitumor properties. Yamogenin is one of the spirostane saponins and occurs in Trigonella foenum-graecum, Asparagus officinalis, and Dioscorea collettii. It is a stereoisomer of diosgenin-a well-known compound whose activity and mechanisms of action in cancer cells are determined. However, the antitumor effect of yamogenin is still little known, and the mechanism of action has not been determined. In this study, we evaluated the effect of yamogenin on human ovarian cancer SKOV-3 cells in vitro by determining the cellular factors that trigger cell death. The viability of the cells was assessed with a Real-Time xCELLigence system and the cell cycle arrest with flow cytometry. The activity of initiator and executioner caspases (-8, -9, and -3/7) was estimated with luminometry and flow cytometry, respectively. The mitochondrial membrane depolarization, the level of oxidative stress, and DNA damage in the yamogenin-treated cells were also evaluated by flow cytometry. Genes expression analysis at the mRNA level was conducted with Real-Time PCR. Bid activation and chromatin condensation were estimated with fluorescent microscopy. The obtained results indicate that yamogenin has cytotoxic activity in SKOV-3 cells with an IC50 value of 23.90 ± 1.48 µg/mL and strongly inhibits the cell cycle in the sub-G1 phase. The compound also triggers cell death with a significant decrease in mitochondrial membrane potential, an increase in the level of oxidative stress (over two times higher in comparison to the control), and activation of caspase-8, -9, -3/7, as well as Bid. The results of genes expression indicate that the Tumor Necrosis Factor (TNF) Receptor Superfamily Members (TNF, TNFRSF10, TNFRSF10B, TNFRSF1B, and TNFRSF25), Fas Associated via Death Domain (FADD), and Death Effector Domain Containing 2 (DEDD2) were significantly upregulated and their relative expression was at least two times higher than in the control. Our work shows that yamogenin induces apoptosis in ovarian cancer cells, and both the extrinsic and mitochondrial-intrinsic pathways are involved in this process.
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Wang D, Wang X. Diosgenin and Its Analogs: Potential Protective Agents Against Atherosclerosis. Drug Des Devel Ther 2022; 16:2305-2323. [PMID: 35875677 PMCID: PMC9304635 DOI: 10.2147/dddt.s368836] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2022] [Accepted: 07/09/2022] [Indexed: 11/23/2022] Open
Abstract
Atherosclerosis is a chronic inflammatory disease of the artery wall associated with lipid metabolism imbalance and maladaptive immune response, which mediates most cardiovascular events. First-line drugs such as statins and antiplatelet drug aspirin have shown good effects against atherosclerosis but may lead to certain side effects. Thus, the development of new, safer, and less toxic agents for atherosclerosis is urgently needed. Diosgenin and its analogs have gained importance for their efficacy against life-threatening diseases, including cardiovascular, endocrine, nervous system diseases, and cancer. Diosgenin and its analogs are widely found in the rhizomes of Dioscore, Solanum, and other species and share similar chemical structures and pharmacological effects. Recent data suggested diosgenin plays an anti-atherosclerosis role through its anti-inflammatory, antioxidant, plasma cholesterol-lowering, anti-proliferation, and anti-thrombotic effects. However, a review of the effects of diosgenin and its natural structure analogs on AS is still lacking. This review summarizes the effects of diosgenin and its analogs on vascular endothelial dysfunction, vascular smooth muscle cell (VSMC) proliferation, migration and calcification, lipid metabolism, and inflammation, and provides a new overview of its anti-atherosclerosis mechanism. Besides, the structures, sources, safety, pharmacokinetic characteristics, and biological availability are introduced to reveal the limitations and challenges of current studies, hoping to provide a theoretical basis for the clinical application of diosgenin and its analogs and provide a new idea for developing new agents for atherosclerosis.
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Affiliation(s)
- Dan Wang
- Cardiovascular Research Institute of Traditional Chinese Medicine, Shuguang Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, People’s Republic of China
- Cardiovascular Department of Traditional Chinese Medicine, Shuguang Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, People’s Republic of China
- Shuguang Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Branch of National Clinical Research Center for Chinese Medicine Cardiology, Shanghai, People’s Republic of China
| | - Xiaolong Wang
- Cardiovascular Research Institute of Traditional Chinese Medicine, Shuguang Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, People’s Republic of China
- Cardiovascular Department of Traditional Chinese Medicine, Shuguang Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, People’s Republic of China
- Shuguang Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Branch of National Clinical Research Center for Chinese Medicine Cardiology, Shanghai, People’s Republic of China
- Correspondence: Xiaolong Wang, Tel +86 13501991450, Fax +86 21 51322445, Email
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Xu H, Ohoka N, Yokoo H, Nemoto K, Ohtsuki T, Matsufuji H, Naito M, Inoue T, Tsuji G, Demizu Y. Development of Agonist-Based PROTACs Targeting Liver X Receptor. Front Chem 2021; 9:674967. [PMID: 34124002 PMCID: PMC8187946 DOI: 10.3389/fchem.2021.674967] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2021] [Accepted: 05/05/2021] [Indexed: 11/15/2022] Open
Abstract
Liver X receptors (LXRs) belong to the nuclear hormone receptor superfamily and function as ligand-dependent transcription factors that regulate cholesterol homeostasis, lipid homeostasis, and immune responses. LXR antagonists are promising treatments for hypercholesterolemia and diabetes. However, effective LXR antagonists and inhibitors are yet to be developed. Thus, we aimed to develop LXR degraders (proteolysis targeting chimeras PROTACs against LXR) as a complementary strategy to provide a similar effect to LXR inhibition. In this study, we report the development of GW3965-PEG5-VH032 (3), a PROTAC capable of effectively degrading LXRβ protein. Compound 3 induced the ubiquitin-proteasome system-dependent degradation of the LXRβ protein, which requires VHL E3 ligase. We hope that PROTACs targeting LXR proteins will become novel therapeutic agents for LXR-related diseases.
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Affiliation(s)
- Hanqiao Xu
- Division of Organic Chemistry, National Institute of Health Sciences, Kanagawa, Japan.,Food Bioscience and Biotechnology, College of Bioresource Sciences, Nihon University, Fujisawa, Japan
| | - Nobumichi Ohoka
- Division of Molecular Target and Gene Therapy Products, National Institute of Health Sciences, Kanagawa, Japan
| | - Hidetomo Yokoo
- Division of Organic Chemistry, National Institute of Health Sciences, Kanagawa, Japan
| | - Kanako Nemoto
- Division of Organic Chemistry, National Institute of Health Sciences, Kanagawa, Japan
| | - Takashi Ohtsuki
- Food Bioscience and Biotechnology, College of Bioresource Sciences, Nihon University, Fujisawa, Japan
| | - Hiroshi Matsufuji
- Food Bioscience and Biotechnology, College of Bioresource Sciences, Nihon University, Fujisawa, Japan
| | - Mikihiko Naito
- Laboratory of Targeted Protein Degradation, Graduate School of Pharmaceutical Sciences, The University of Tokyo, Tokyo, Japan
| | - Takao Inoue
- Division of Molecular Target and Gene Therapy Products, National Institute of Health Sciences, Kanagawa, Japan
| | - Genichiro Tsuji
- Division of Organic Chemistry, National Institute of Health Sciences, Kanagawa, Japan
| | - Yosuke Demizu
- Division of Organic Chemistry, National Institute of Health Sciences, Kanagawa, Japan.,Graduate School of Medical Life Science, Yokohama City University, Kanagawa, Japan
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Khateeb S, Albalawi A, Alkhedaide A. Regulatory effect of diosgenin on lipogenic genes expression in high-fat diet-induced obesity in mice. Saudi J Biol Sci 2020; 28:1026-1032. [PMID: 33424396 PMCID: PMC7783812 DOI: 10.1016/j.sjbs.2020.11.045] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2020] [Revised: 11/05/2020] [Accepted: 11/09/2020] [Indexed: 12/29/2022] Open
Abstract
Obesity is one of the most serious health problems in the world, increasing the risk of other chronic diseases. Alterations in fatty acid synthesis related genes are crucially involved in obesity progression. Diosgenin (DG) was one of the phytosterols compounds with vital activity against lipid disorders. Therefore, this study was intended to evaluate the protective effect of DG on lipogenesis in the high-fat diet (HFD)-induced obesity in mice, via investigating the expression of two of the fatty acid synthesis–involved genes; sterol regulatory element-binding protein (SREBP-1c) and fatty acid synthase (FASN) genes. Thirty adult male mice were divided into 3 groups. Control group, fed with normal diet; HFD group, mice fed with a high-fat diet and HFD + DG group, mice fed with a high-fat diet and supplemented in parallel with DG for 6 consecutive weeks. The effect of DG on Body weights, liver enzymes, lipid profile, were evaluated. Histopathological fatty changes as well as SREBP-1c and FASN gene expression were also investigated. DG significantly alleviated body weight gain, adjusted liver enzymes, and improved lipid profile. Additionally, DG ameliorated the histopathological changes by reducing the lipid vacuoles and hence the hepatosteatosis. Accordingly, DG significantly downregulated the two-fold increase in the SREBP-1c and FASN gene expression observed in the HFD group. In conclusion, DG possesses a beneficial impact against diet-induced obesity in mice, which makes it a good candidate for NAFLD and obesity prevention.
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Affiliation(s)
- Sahar Khateeb
- Biochemistry Division, Department of Chemistry, Faculty of Science, Fayum University, Fayum, Egypt.,Biochemistry Department, Faculty of Science, University of Tabuk, Tabuk, Saudi Arabia
| | - Aishah Albalawi
- Biology Department, Faculty of Science, University of Tabuk, Tabuk, Saudi Arabia
| | - Adel Alkhedaide
- Department of Medical Laboratory, Turabah University College, Taif University, P.O. Box 11099, Taif 21944, Saudi Arabia
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Normandin C, Malouin F, Marsault E. Gram-Scale Synthesis of Tomatidine, a Steroid Alkaloid with Antibiotic Properties Against Persistent Forms of Staphylococcus aureus. European J Org Chem 2020. [DOI: 10.1002/ejoc.202000051] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Affiliation(s)
- Chad Normandin
- Institut de Pharmacologie de Sherbrooke; Université de Sherbrooke; 3001, 12th Avenue N J1H 5N4 Sherbrooke Quebec Canada
| | - François Malouin
- Département de Biologie; Université de Sherbrooke; 2500 Boul. de l'Université J1K 2X9 Sherbrooke Québec Canada
| | - Eric Marsault
- Institut de Pharmacologie de Sherbrooke; Université de Sherbrooke; 3001, 12th Avenue N J1H 5N4 Sherbrooke Quebec Canada
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Taebi R, Mirzaiey MR, Mahmoodi M, Khoshdel A, Fahmidehkar MA, Mohammad-Sadeghipour M, Hajizadeh MR. The effect of Curcuma longa extract and its active component (curcumin) on gene expression profiles of lipid metabolism pathway in liver cancer cell line (HepG2). GENE REPORTS 2020. [DOI: 10.1016/j.genrep.2019.100581] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
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Yao D, Zhang B, Zhu J, Zhang Q, Hu Y, Wang S, Wang Y, Cao H, Xiao J. Advances on application of fenugreek seeds as functional foods: Pharmacology, clinical application, products, patents and market. Crit Rev Food Sci Nutr 2019; 60:2342-2352. [PMID: 31286789 DOI: 10.1080/10408398.2019.1635567] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Trigonella foenum-graecum L. (fenugreek) is one of the oldest applied medicinal herbs. Significant pharmacological and clinical evidence have highlighted the medicinal application of fenugreek. Explore the current knowledge regarding the bioactivity (animal aspects) and clinical application of fenugreek and its bioactive components, as well as the products, markets and patents related to fenugreek. This review highlights the phytochemicals, bioactivity (animal aspects) and clinical application of fenugreek from recent literatures and products, markets and patents from database. Until now, more than 100 phytochemicals have been isolated from fenugreek seeds, mainly including polysaccharides, saponins, alkaloids, phenolic acids, and flavonoids. Fenugreek extract and its bioactive compounds showed excellent antidiabetic activity and anti-obesity activity in animal and human study. Although the fenugreek seed has been used as TCM raw materials for a long time of period in China, China is lacking the research of fenugreek in both depth and width.
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Affiliation(s)
- Dongning Yao
- Institute of Chinese Medical Sciences, State Key Laboratory of Quality Research in Chinese Medicine, University of Macau, Macau, China
| | - Bingyu Zhang
- Institute of Chinese Medical Sciences, State Key Laboratory of Quality Research in Chinese Medicine, University of Macau, Macau, China
| | - Jianfan Zhu
- Institute of Chinese Medical Sciences, State Key Laboratory of Quality Research in Chinese Medicine, University of Macau, Macau, China
| | - Qianru Zhang
- Institute of Chinese Medical Sciences, State Key Laboratory of Quality Research in Chinese Medicine, University of Macau, Macau, China
| | - Yuanjia Hu
- Institute of Chinese Medical Sciences, State Key Laboratory of Quality Research in Chinese Medicine, University of Macau, Macau, China
| | - Shengpeng Wang
- Institute of Chinese Medical Sciences, State Key Laboratory of Quality Research in Chinese Medicine, University of Macau, Macau, China
| | - Yitao Wang
- Institute of Chinese Medical Sciences, State Key Laboratory of Quality Research in Chinese Medicine, University of Macau, Macau, China
| | - Hui Cao
- Guangdong-Macau Traditional Chinese Medicine Technology Industrial Park Development Co., Ltd., Zhuhai, China.,School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Jianbo Xiao
- Institute of Chinese Medical Sciences, State Key Laboratory of Quality Research in Chinese Medicine, University of Macau, Macau, China
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Abstract
Obesity is a key factor in metabolic syndrome. The study of metabolic syndrome focuses on the anti-weight gain properties of physiological mechanisms and food components. Abnormal energy metabolism is a major risk factor of metabolic syndrome. Chronic inflammation is a feature of obesity; cytokines from hypertrophied adipocytes cause inflammation in both adipose tissue and blood vessels, resulting in symptoms of metabolic syndrome. Tumor necrosis factor-α causes insulin resistance in adipocytes and regression of brown adipocytes, resulting in abnormal energy metabolism. Functional foods can serve as a strategy for prevention and treatment of obesity linked with metabolic processes in white and brown adipose tissues. Diet-induced thermogenesis caused by certain food components stimulates burning of stored fat within adipose tissues. A mechanistic understanding of dietary thermogenesis via the sympathetic nerve system will prove valuable for the development of precise strategies for the practical prevention of metabolic syndrome.
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Affiliation(s)
- Teruo Kawada
- a Laboratory of Molecular Function of Food, Division of Food Science and Biotechnology, Graduate School of Agriculture , Kyoto University , Uji , Japan.,b Research Unit for Physiological Chemistry, The Center for the Promotion of Interdisciplinary Education and Research , Kyoto University , Kyoto , Japan
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Hua S, Li Y, Su L, Liu X. Diosgenin ameliorates gestational diabetes through inhibition of sterol regulatory element-binding protein-1. Biomed Pharmacother 2016; 84:1460-1465. [DOI: 10.1016/j.biopha.2016.10.049] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2016] [Revised: 09/27/2016] [Accepted: 10/17/2016] [Indexed: 12/21/2022] Open
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Effect of diosgenin on metabolic dysfunction: Role of ERβ in the regulation of PPARγ. Toxicol Appl Pharmacol 2015; 289:286-96. [DOI: 10.1016/j.taap.2015.09.015] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2015] [Revised: 08/18/2015] [Accepted: 09/22/2015] [Indexed: 11/21/2022]
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