1
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Wang C, Ma Q, Yu X. Bile Acid Network and Vascular Calcification-Associated Diseases: Unraveling the Intricate Connections and Therapeutic Potential. Clin Interv Aging 2023; 18:1749-1767. [PMID: 37885621 PMCID: PMC10599251 DOI: 10.2147/cia.s431220] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2023] [Accepted: 10/10/2023] [Indexed: 10/28/2023] Open
Abstract
Bile acids play a crucial role in promoting intestinal nutrient absorption and biliary cholesterol excretion, thereby protecting the liver from cholesterol accumulation and bile acid toxicity. Additionally, bile acids can bind to specific nuclear and membrane receptors to regulate energy expenditure and specific functions of particular tissues. Vascular calcification refers to the pathological process of calcium-phosphate deposition in blood vessel walls, which serves as an independent predictor for cardiovascular adverse events. In addition to aging, this pathological change is associated with aging-related diseases such as atherosclerosis, hypertension, chronic kidney disease, diabetes mellitus, and osteoporosis. Emerging evidence suggests a close association between the bile acid network and these aforementioned vascular calcification-associated conditions. Several bile acids have been proven to participate in calcium-phosphate metabolism, affecting the transdifferentiation of vascular smooth muscle cells and thus influencing vascular calcification. Targeting the bile acid network shows potential for ameliorating these diseases and their concomitant vascular calcification by regulating pathways such as energy metabolism, inflammatory response, oxidative stress, and cell differentiation. Here, we present a summary of the metabolism and functions of the bile acid network and aim to provide insights into the current research on the profound connections between the bile acid network and these vascular calcification-associated diseases, as well as the therapeutic potential.
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Affiliation(s)
- Cui Wang
- Laboratory of Endocrinology & Metabolism/Department of Endocrinology & Metabolism, Rare Disease Center, West China Hospital, Sichuan University, Chengdu, Sichuan Province, 610041, People’s Republic of China
| | - Qing Ma
- General Practice Ward/International Medical Center Ward, General Practice Medical Center, West China Hospital, Sichuan University/West China School of Nursing, Sichuan University, Chengdu, Sichuan Province, 610041, People’s Republic of China
| | - Xijie Yu
- Laboratory of Endocrinology & Metabolism/Department of Endocrinology & Metabolism, Rare Disease Center, West China Hospital, Sichuan University, Chengdu, Sichuan Province, 610041, People’s Republic of China
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2
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Abstract
Bile acids wear many hats, including those of an emulsifier to facilitate nutrient absorption, a cholesterol metabolite, and a signaling molecule in various tissues modulating itching to metabolism and cellular functions. Bile acids are synthesized in the liver but exhibit wide-ranging effects indicating their ability to mediate organ-organ crosstalk. So, how does a steroid metabolite orchestrate such diverse functions? Despite the inherent chemical similarity, the side chain decorations alter the chemistry and biology of the different bile acid species and their preferences to bind downstream receptors distinctly. Identification of new modifications in bile acids is burgeoning, and some of it is associated with the microbiota within the intestine. Here, we provide a brief overview of the history and the various receptors that mediate bile acid signaling in addition to its crosstalk with the gut microbiota.
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Affiliation(s)
| | | | - Sayeepriyadarshini Anakk
- Correspondence: Sayeepriyadarshini Anakk, PhD, Department of Molecular & Integrative Physiology, University of Illinois at Urbana-Champaign, 506 S Mathews Ave, 453 Medical Sciences Bldg, Urbana, IL 61801, USA.
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3
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Circulating bile acids as a link between the gut microbiota and cardiovascular health: impact of prebiotics, probiotics and polyphenol-rich foods. Nutr Res Rev 2021; 35:161-180. [PMID: 33926590 DOI: 10.1017/s0954422421000081] [Citation(s) in RCA: 45] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Beneficial effects of probiotic, prebiotic and polyphenol-rich interventions on fasting lipid profiles have been reported, with changes in the gut microbiota composition believed to play an important role in lipid regulation. Primary bile acids, which are involved in the digestion of fats and cholesterol metabolism, can be converted by the gut microbiota to secondary bile acids, some species of which are less well reabsorbed and consequently may be excreted in the stool. This can lead to increased hepatic bile acid neo-synthesis, resulting in a net loss of circulating low-density lipoprotein. Bile acids may therefore provide a link between the gut microbiota and cardiovascular health. This narrative review presents an overview of bile acid metabolism and the role of probiotics, prebiotics and polyphenol-rich foods in modulating circulating cardiovascular disease (CVD) risk markers and bile acids. Although findings from human studies are inconsistent, there is growing evidence for associations between these dietary components and improved lipid CVD risk markers, attributed to modulation of the gut microbiota and bile acid metabolism. These include increased bile acid neo-synthesis, due to bile sequestering action, bile salt metabolising activity and effects of short-chain fatty acids generated through bacterial fermentation of fibres. Animal studies have demonstrated effects on the FXR/FGF-15 axis and hepatic genes involved in bile acid synthesis (CYP7A1) and cholesterol synthesis (SREBP and HMGR). Further human studies are needed to determine the relationship between diet and bile acid metabolism and whether circulating bile acids can be utilised as a potential CVD risk biomarker.
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4
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Warner DR, Warner JB, Hardesty JE, Song YL, King TN, Kang JX, Chen CY, Xie S, Yuan F, Prodhan MAI, Ma X, Zhang X, Rouchka EC, Maddipati KR, Whitlock J, Li EC, Wang GP, McClain CJ, Kirpich IA. Decreased ω-6:ω-3 PUFA ratio attenuates ethanol-induced alterations in intestinal homeostasis, microbiota, and liver injury. J Lipid Res 2019; 60:2034-2049. [PMID: 31586017 PMCID: PMC6889711 DOI: 10.1194/jlr.ra119000200] [Citation(s) in RCA: 37] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2019] [Revised: 09/22/2019] [Indexed: 02/07/2023] Open
Abstract
Ethanol (EtOH)-induced alterations in intestinal homeostasis lead to multi-system pathologies, including liver injury. ω-6 PUFAs exert pro-inflammatory activity, while ω-3 PUFAs promote anti-inflammatory activity that is mediated, in part, through specialized pro-resolving mediators [e.g., resolvin D1 (RvD1)]. We tested the hypothesis that a decrease in the ω-6:ω-3 PUFA ratio would attenuate EtOH-mediated alterations in the gut-liver axis. ω-3 FA desaturase-1 (fat-1) mice, which endogenously increase ω-3 PUFA levels, were protected against EtOH-mediated downregulation of intestinal tight junction proteins in organoid cultures and in vivo. EtOH- and lipopolysaccharide-induced expression of INF-γ, Il-6, and Cxcl1 was attenuated in fat-1 and WT RvD1-treated mice. RNA-seq of ileum tissue revealed upregulation of several genes involved in cell proliferation, stem cell renewal, and antimicrobial defense (including Alpi and Leap2) in fat-1 versus WT mice fed EtOH. fat-1 mice were also resistant to EtOH-mediated downregulation of genes important for xenobiotic/bile acid detoxification. Further, gut microbiome and plasma metabolomics revealed several changes in fat-1 versus WT mice that may contribute to a reduced inflammatory response. Finally, these data correlated with a significant reduction in liver injury. Our study suggests that ω-3 PUFA enrichment or treatment with resolvins can attenuate the disruption in intestinal homeostasis caused by EtOH consumption and systemic inflammation with a concomitant reduction in liver injury.
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Affiliation(s)
- Dennis R Warner
- Department of Medicine, Division of Gastroenterology, Hepatology, and Nutrition, University of Louisville, Louisville, KY
| | - Jeffrey B Warner
- Department of Medicine, Division of Gastroenterology, Hepatology, and Nutrition, University of Louisville, Louisville, KY
- Department of Medicine Division of Infectious Diseases and Global Medicine, College of Medicine, University of Florida, Gainesville, FL
| | - Josiah E Hardesty
- Department of Medicine, Division of Gastroenterology, Hepatology, and Nutrition, University of Louisville, Louisville, KY
| | - Ying L Song
- Department of Medicine, Division of Gastroenterology, Hepatology, and Nutrition, University of Louisville, Louisville, KY
| | - Taylor N King
- Department of Medicine, Division of Gastroenterology, Hepatology, and Nutrition, University of Louisville, Louisville, KY
| | - Jing X Kang
- Laboratory for Lipid Medicine and Technology, Department of Medicine, Massachusetts General Hospital and Harvard Medical School, Boston, MA
| | - Chih-Yu Chen
- Laboratory for Lipid Medicine and Technology, Department of Medicine, Massachusetts General Hospital and Harvard Medical School, Boston, MA
| | - Shanfu Xie
- Laboratory for Lipid Medicine and Technology, Department of Medicine, Massachusetts General Hospital and Harvard Medical School, Boston, MA
| | - Fang Yuan
- Department of Chemistry, University of Louisville, Louisville, KY
| | | | - Xipeng Ma
- Department of Chemistry, University of Louisville, Louisville, KY
| | - Xiang Zhang
- Department of Chemistry, University of Louisville, Louisville, KY
| | - Eric C Rouchka
- Department of Computer Engineering and Computer Science, Speed School of Engineering, University of Louisville, Louisville, KY
| | | | - Joan Whitlock
- Department of Medicine Division of Infectious Diseases and Global Medicine, College of Medicine, University of Florida, Gainesville, FL
| | - Eric C Li
- Department of Medicine Division of Infectious Diseases and Global Medicine, College of Medicine, University of Florida, Gainesville, FL
| | - Gary P Wang
- Department of Medicine Division of Infectious Diseases and Global Medicine, College of Medicine, University of Florida, Gainesville, FL
| | - Craig J McClain
- Department of Medicine, Division of Gastroenterology, Hepatology, and Nutrition, University of Louisville, Louisville, KY
- Department of Pharmacology and Toxicology and University of Louisville Alcohol Center, University of Louisville School of Medicine, Louisville, KY
- Robley Rex Veterans Medical Center, Louisville, KY
| | - Irina A Kirpich
- Department of Medicine, Division of Gastroenterology, Hepatology, and Nutrition, University of Louisville, Louisville, KY
- Department of Pharmacology and Toxicology and University of Louisville Alcohol Center, University of Louisville School of Medicine, Louisville, KY
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5
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Yang R, Zhao Q, Hu DD, Xiao XR, Huang JF, Li F. Metabolomic analysis of cholestatic liver damage in mice. Food Chem Toxicol 2018; 120:253-260. [DOI: 10.1016/j.fct.2018.07.022] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2018] [Revised: 06/27/2018] [Accepted: 07/11/2018] [Indexed: 02/08/2023]
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6
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Kong Y, Gao X, Wang C, Ning C, Liu K, Liu Z, Sun H, Ma X, Sun P, Meng Q. Protective effects of yangonin from an edible botanical Kava against lithocholic acid-induced cholestasis and hepatotoxicity. Eur J Pharmacol 2018; 824:64-71. [PMID: 29427579 DOI: 10.1016/j.ejphar.2018.02.002] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2017] [Revised: 01/15/2018] [Accepted: 02/06/2018] [Indexed: 02/06/2023]
Abstract
Accumulation of toxic bile acids in liver could cause cholestasis and liver injury. The purpose of the current study is to evaluate the hepatoprotective effect of yangonin, a product isolated from an edible botanical Kava against lithocholic acid (LCA)-induced cholestasis, and further to elucidate the involvement of farnesoid X receptor (FXR) in the anticholestatic effect using in vivo and in vitro experiments. The cholestatic liver injury model was established by intraperitoneal injections of LCA in C57BL/6 mice. Serum biomarkers and H&E staining were used to identify the amelioration of cholestasis after yangonin treatment. Mice hepatocytes culture, gene silencing experiment, real-time PCR and Western blot assay were used to elucidate the mechanisms underlying yangonin hepatoprotection. The results indicated that yangonin promoted bile acid efflux and reduced hepatic uptake via an induction in FXR-target genes Bsep, Mrp2 expression and an inhibition in Ntcp, all of which are responsible for bile acid transport. Furthermore, yangonin reduced bile acid synthesis through repressing FXR-target genes Cyp7a1 and Cyp8b1, and increased bile acid metabolism through an induction in gene expression of Sult2a1, which are involved in bile acid synthesis and metabolism. In addition, yangonin suppressed liver inflammation through repressing inflammation-related gene NF-κB, TNF-α and IL-1β. In vitro evidences showed that the changes in transporters and enzymes induced by yangonin were abrogated when FXR was silenced. In conclusions, yangonin produces protective effect against LCA-induced hepatotoxity and cholestasis due to FXR-mediated regulation. Yangonin may be an effective approach for the prevention against cholestatic liver diseases.
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Affiliation(s)
- Yulong Kong
- Department of Clinical Pharmacology, College of Pharmacy, Dalian Medical University, Dalian 116044, China
| | - Xiaoguang Gao
- Department of Clinical Pharmacology, College of Pharmacy, Dalian Medical University, Dalian 116044, China
| | - Changyuan Wang
- Department of Clinical Pharmacology, College of Pharmacy, Dalian Medical University, Dalian 116044, China; Key Laboratory of Pharmacokinetics and Transport of Liaoning Province, Dalian Medical University, Dalian 116044, China
| | - Chenqing Ning
- Department of Clinical Pharmacology, College of Pharmacy, Dalian Medical University, Dalian 116044, China
| | - Kexin Liu
- Department of Clinical Pharmacology, College of Pharmacy, Dalian Medical University, Dalian 116044, China; Key Laboratory of Pharmacokinetics and Transport of Liaoning Province, Dalian Medical University, Dalian 116044, China
| | - Zhihao Liu
- Department of Clinical Pharmacology, College of Pharmacy, Dalian Medical University, Dalian 116044, China; Key Laboratory of Pharmacokinetics and Transport of Liaoning Province, Dalian Medical University, Dalian 116044, China
| | - Huijun Sun
- Department of Clinical Pharmacology, College of Pharmacy, Dalian Medical University, Dalian 116044, China; Key Laboratory of Pharmacokinetics and Transport of Liaoning Province, Dalian Medical University, Dalian 116044, China
| | - Xiaodong Ma
- Department of Clinical Pharmacology, College of Pharmacy, Dalian Medical University, Dalian 116044, China; Key Laboratory of Pharmacokinetics and Transport of Liaoning Province, Dalian Medical University, Dalian 116044, China
| | - Pengyuan Sun
- Department of Clinical Pharmacology, College of Pharmacy, Dalian Medical University, Dalian 116044, China; Key Laboratory of Pharmacokinetics and Transport of Liaoning Province, Dalian Medical University, Dalian 116044, China
| | - Qiang Meng
- Department of Clinical Pharmacology, College of Pharmacy, Dalian Medical University, Dalian 116044, China; Key Laboratory of Pharmacokinetics and Transport of Liaoning Province, Dalian Medical University, Dalian 116044, China.
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7
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Marchionatti AM, Pérez A, Rivoira MA, Rodríguez VA, Tolosa de Talamoni NG. Lithocholic acid: a new emergent protector of intestinal calcium absorption under oxidant conditions. Biochem Cell Biol 2017; 95:273-279. [PMID: 28318299 DOI: 10.1139/bcb-2016-0164] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
LCA and 1,25(OH)2D3 are vitamin D receptor ligands with different binding affinity. The secosteroid stimulates intestinal Ca2+ absorption. Whether LCA alters this process remains unknown. The aim of our work was to determine the effect of LCA on intestinal Ca2+ absorption in the absence or presence of NaDOC, bile acid that inhibits the cation transport. The data show that LCA by itself did not alter intestinal Ca2+ absorption, but prevented the inhibitory effect of NaDOC. The concomitant administration of LCA avoided the reduction of intestinal alkaline phosphatase activity caused by NaDOC. In addition, LCA blocked a decrease caused by NaDOC on gene and protein expression of molecules involved in the transcellular pathway of intestinal Ca2+ absorption. The oxidative stress and apoptosis triggered by NaDOC were abrogated by LCA co-treatment. In conclusion, LCA placed in the intestinal lumen protects intestinal Ca2+ absorption against the inhibitory effects caused by NaDOC. LCA avoids the reduction of the transcellular Ca2+ movement, apparently by blocking the oxidative stress and apoptosis triggered by NaDOC, normalizing the gene and protein expression of molecules involved in Ca2+ movement. Therefore, LCA might become a possible treatment to improve intestinal calcium absorption under oxidant conditions.
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Affiliation(s)
- Ana M Marchionatti
- Laboratorio "Dr. Fernando Cañas", Cátedra de Bioquímica y Biología Molecular, Facultad de Ciencias Médicas, INICSA (CONICET-Universidad Nacional de Córdoba), Pabellón Argentina, 2do. Piso, Ciudad Universitaria, 5000 Córdoba, Argentina.,Laboratorio "Dr. Fernando Cañas", Cátedra de Bioquímica y Biología Molecular, Facultad de Ciencias Médicas, INICSA (CONICET-Universidad Nacional de Córdoba), Pabellón Argentina, 2do. Piso, Ciudad Universitaria, 5000 Córdoba, Argentina
| | - Adriana Pérez
- Laboratorio "Dr. Fernando Cañas", Cátedra de Bioquímica y Biología Molecular, Facultad de Ciencias Médicas, INICSA (CONICET-Universidad Nacional de Córdoba), Pabellón Argentina, 2do. Piso, Ciudad Universitaria, 5000 Córdoba, Argentina.,Laboratorio "Dr. Fernando Cañas", Cátedra de Bioquímica y Biología Molecular, Facultad de Ciencias Médicas, INICSA (CONICET-Universidad Nacional de Córdoba), Pabellón Argentina, 2do. Piso, Ciudad Universitaria, 5000 Córdoba, Argentina
| | - María A Rivoira
- Laboratorio "Dr. Fernando Cañas", Cátedra de Bioquímica y Biología Molecular, Facultad de Ciencias Médicas, INICSA (CONICET-Universidad Nacional de Córdoba), Pabellón Argentina, 2do. Piso, Ciudad Universitaria, 5000 Córdoba, Argentina.,Laboratorio "Dr. Fernando Cañas", Cátedra de Bioquímica y Biología Molecular, Facultad de Ciencias Médicas, INICSA (CONICET-Universidad Nacional de Córdoba), Pabellón Argentina, 2do. Piso, Ciudad Universitaria, 5000 Córdoba, Argentina
| | - Valeria A Rodríguez
- Laboratorio "Dr. Fernando Cañas", Cátedra de Bioquímica y Biología Molecular, Facultad de Ciencias Médicas, INICSA (CONICET-Universidad Nacional de Córdoba), Pabellón Argentina, 2do. Piso, Ciudad Universitaria, 5000 Córdoba, Argentina.,Laboratorio "Dr. Fernando Cañas", Cátedra de Bioquímica y Biología Molecular, Facultad de Ciencias Médicas, INICSA (CONICET-Universidad Nacional de Córdoba), Pabellón Argentina, 2do. Piso, Ciudad Universitaria, 5000 Córdoba, Argentina
| | - Nori G Tolosa de Talamoni
- Laboratorio "Dr. Fernando Cañas", Cátedra de Bioquímica y Biología Molecular, Facultad de Ciencias Médicas, INICSA (CONICET-Universidad Nacional de Córdoba), Pabellón Argentina, 2do. Piso, Ciudad Universitaria, 5000 Córdoba, Argentina.,Laboratorio "Dr. Fernando Cañas", Cátedra de Bioquímica y Biología Molecular, Facultad de Ciencias Médicas, INICSA (CONICET-Universidad Nacional de Córdoba), Pabellón Argentina, 2do. Piso, Ciudad Universitaria, 5000 Córdoba, Argentina
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8
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Ikarashi N, Ogawa S, Hirobe R, Kon R, Kusunoki Y, Yamashita M, Mizukami N, Kaneko M, Wakui N, Machida Y, Sugiyama K. Epigallocatechin gallate induces a hepatospecific decrease in the CYP3A expression level by altering intestinal flora. Eur J Pharm Sci 2017; 100:211-218. [PMID: 28115221 DOI: 10.1016/j.ejps.2017.01.022] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2016] [Revised: 01/10/2017] [Accepted: 01/19/2017] [Indexed: 01/25/2023]
Abstract
In previous studies, we showed that a high-dose intake of green tea polyphenol (GP) induced a hepatospecific decrease in the expression and activity of the drug-metabolizing enzyme cytochrome P450 3A (CYP3A). In this study, we examined whether this decrease in CYP3A expression is induced by epigallocatechin gallate (EGCG), which is the main component of GP. After a diet containing 1.5% EGCG was given to mice, the hepatic CYP3A expression was measured. The level of intestinal bacteria of Clostridium spp., the concentration of lithocholic acid (LCA) in the feces, and the level of the translocation of pregnane X receptor (PXR) to the nucleus in the liver were examined. A decrease in the CYP3A expression level was observed beginning on the second day of the treatment with EGCG. The level of translocation of PXR to the nucleus was significantly lower in the EGCG group. The fecal level of LCA was clearly decreased by the EGCG treatment. The level of intestinal bacteria of Clostridium spp. was also decreased by the EGCG treatment. It is clear that the hepatospecific decrease in the CYP3A expression level observed after a high-dose intake of GP was caused by EGCG. Because EGCG, which is not absorbed from the intestine, causes a decrease in the level of LCA-producing bacteria in the colon, the level of LCA in the liver decreases, resulting in a decrease in the nuclear translocation of PXR, which in turn leads to the observed decrease in the expression level of CYP3A.
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Affiliation(s)
| | - Sosuke Ogawa
- Department of Clinical Pharmacokinetics, Hoshi University, Japan
| | - Ryuta Hirobe
- Department of Clinical Pharmacokinetics, Hoshi University, Japan
| | - Risako Kon
- Department of Clinical Pharmacokinetics, Hoshi University, Japan
| | - Yoshiki Kusunoki
- Department of Clinical Pharmacokinetics, Hoshi University, Japan
| | - Marin Yamashita
- Department of Clinical Pharmacokinetics, Hoshi University, Japan
| | - Nanaho Mizukami
- Department of Clinical Pharmacokinetics, Hoshi University, Japan
| | - Miho Kaneko
- Department of Clinical Pharmacokinetics, Hoshi University, Japan
| | - Nobuyuki Wakui
- Division of Applied Pharmaceutical Education and Research, Hoshi University, Japan
| | - Yoshiaki Machida
- Division of Applied Pharmaceutical Education and Research, Hoshi University, Japan
| | - Kiyoshi Sugiyama
- Department of Clinical Pharmacokinetics, Hoshi University, Japan.
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9
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Zhao Q, Yang R, Liu F, Wang J, Hu DD, Yang XW, Li F. Metabolomics reveals that PPARα activation protects against lithocholic acid-induced liver injury. RSC Adv 2017. [DOI: 10.1039/c7ra08823j] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
Fenofibrate protected against LCA-induced liver injury.
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Affiliation(s)
- Qi Zhao
- State Key Laboratory of Phytochemistry and Plant Resources in West China
- Kunming Institute of Botany
- Chinese Academy of Sciences
- Kunming 650201
- China
| | - Rui Yang
- State Key Laboratory of Phytochemistry and Plant Resources in West China
- Kunming Institute of Botany
- Chinese Academy of Sciences
- Kunming 650201
- China
| | - Fang Liu
- State Key Laboratory of Phytochemistry and Plant Resources in West China
- Kunming Institute of Botany
- Chinese Academy of Sciences
- Kunming 650201
- China
| | - Jing Wang
- State Key Laboratory of Phytochemistry and Plant Resources in West China
- Kunming Institute of Botany
- Chinese Academy of Sciences
- Kunming 650201
- China
| | - Dan-Dan Hu
- State Key Laboratory of Phytochemistry and Plant Resources in West China
- Kunming Institute of Botany
- Chinese Academy of Sciences
- Kunming 650201
- China
| | - Xiu-Wei Yang
- School of Pharmaceutical Sciences
- Peking University Health Science Center
- Peking University
- Beijing 100191
- China
| | - Fei Li
- State Key Laboratory of Phytochemistry and Plant Resources in West China
- Kunming Institute of Botany
- Chinese Academy of Sciences
- Kunming 650201
- China
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10
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Kundu S, Kumar S, Bajaj A. Cross-talk between bile acids and gastrointestinal tract for progression and development of cancer and its therapeutic implications. IUBMB Life 2015; 67:514-23. [PMID: 26177921 DOI: 10.1002/iub.1399] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2015] [Accepted: 06/17/2015] [Indexed: 12/16/2022]
Abstract
Increasing incidences of gastrointestinal (GI) cancer are linked to changes in lifestyle with excess of red meat/fat consumption, and elevated secretion of bile acids. Bile acids are strong signaling molecules that control various physiological processes. Failure in bile acid regulation has detrimental effects, often linked with development and promotion of cancer of digestive tract including esophagus, stomach, liver, and intestine. Excessive concentration of bile acids especially lipophillic secondary bile acids are cytotoxic causing apoptosis and reactive oxygen species-mediated damage to the cells. Resistance to this apoptosis and accumulation of mutations leads to progression of cancer. Cytotoxicity of bile acids is contingent on their chemical structure. In this review, we discuss the chemistry of bile acids, bile acid mediated cellular signaling processes, their role in GI cancer progression, and therapeutic potential of synthetic bile acid derivatives for cancer therapy.
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Affiliation(s)
- Somanath Kundu
- Laboratory of Nanotechnology and Chemical Biology, Regional Centre for Biotechnology, NCR Biotech Cluster, Faridabad, Haryana, 121001, India.,Manipal University, Manipal, Karnataka, India
| | - Sandeep Kumar
- Laboratory of Nanotechnology and Chemical Biology, Regional Centre for Biotechnology, NCR Biotech Cluster, Faridabad, Haryana, 121001, India.,Manipal University, Manipal, Karnataka, India
| | - Avinash Bajaj
- Laboratory of Nanotechnology and Chemical Biology, Regional Centre for Biotechnology, NCR Biotech Cluster, Faridabad, Haryana, 121001, India
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11
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Zhang X, Ma Z, Liang Q, Tang X, Hu D, Liu C, Tan H, Xiao C, Zhang B, Wang Y, Gao Y. Tanshinone IIA exerts protective effects in a LCA-induced cholestatic liver model associated with participation of pregnane X receptor. JOURNAL OF ETHNOPHARMACOLOGY 2015; 164:357-367. [PMID: 25660334 DOI: 10.1016/j.jep.2015.01.047] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/26/2014] [Revised: 01/10/2015] [Accepted: 01/15/2015] [Indexed: 06/04/2023]
Abstract
Tanshinone IIA (Tan IIA) is one of the main natural active ingredients purified from Salvia miltiorrhiza radix, which has long been used in clinical practice in China to treat diseases including liver fibrosis, Alzheimer׳s disease, and cardiovascular diseases. Tan IIA has hepatoprotective properties, and is an efficacious PXR agonist. Our study was designed to observe the function and mechanism of the hepatoprotective properties of Tan IIA. HepG2 cells were used to investigate the vitrol effects of Tan IIA on PXR and CYP3A4. Gut-formed LCA is hepatotoxic, and has been implicated in the pathogenesis of cholestatic diseases. To further investigate the hepatoprotective mechanisms of Tan IIA against LCA-induced cholestasis in vivo, we choose the normal mice and siRNA-treated mice. The in vitro study demonstrated that the effect of Tan IIA on CYP3A4 was mediated by transactivation of PXR in a dose- and time-dependent manner. The in vivo experiments using PXR siRNA revealed that Tan IIA could protect against LCA-induced hepatotoxicity and cholestasis in a dose-dependent manner. These effects were partially caused by the upregulation of PXR, as well as Cyp3a11, Cyp3a13, and Mdr1, which are the enzymes responsible for LCA metabolism. This is the first report showing that the hepatoprotective effects of Tan IIA are partly mediated by PXR.
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Affiliation(s)
- Xianxie Zhang
- Department of Pharmacology and Toxicology, Beijing Institute of Radiation Medicine, Beijing 100850, China
| | - Zengchun Ma
- Department of Pharmacology and Toxicology, Beijing Institute of Radiation Medicine, Beijing 100850, China
| | - Qiande Liang
- Department of Pharmacology and Toxicology, Beijing Institute of Radiation Medicine, Beijing 100850, China
| | - Xianglin Tang
- Department of Pharmacology and Toxicology, Beijing Institute of Radiation Medicine, Beijing 100850, China
| | - Donghua Hu
- Department of Pharmacology and Toxicology, Beijing Institute of Radiation Medicine, Beijing 100850, China
| | - Canglong Liu
- Department of Pharmacology and Toxicology, Beijing Institute of Radiation Medicine, Beijing 100850, China
| | - Hongling Tan
- Department of Pharmacology and Toxicology, Beijing Institute of Radiation Medicine, Beijing 100850, China
| | - Chengrong Xiao
- Department of Pharmacology and Toxicology, Beijing Institute of Radiation Medicine, Beijing 100850, China
| | - Boli Zhang
- Tianjin University of Traditional Chinese Medicine, Tianjin 300193, China
| | - Yuguang Wang
- Department of Pharmacology and Toxicology, Beijing Institute of Radiation Medicine, Beijing 100850, China.
| | - Yue Gao
- Department of Pharmacology and Toxicology, Beijing Institute of Radiation Medicine, Beijing 100850, China.
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Ishii M, Toda T, Ikarashi N, Kusunoki Y, Kon R, Ochiai W, Machida Y, Sugiyama K. Total gastrectomy may result in reduced drug effectiveness due to an increase in the expression of the drug-metabolizing enzyme Cytochrome P450, in the liver. Eur J Pharm Sci 2014; 51:180-8. [PMID: 24095864 DOI: 10.1016/j.ejps.2013.09.017] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2013] [Revised: 09/03/2013] [Accepted: 09/23/2013] [Indexed: 01/03/2023]
Abstract
In patients with gastrectomy, it is possible that drug effectiveness is reduced compared to healthy subjects due to the increased of the drug-metabolizing enzyme, Cytochrome P450 (CYP). The purpose of this study is to verify this possibility. Gastrectomy model mice were prepared to evaluate the expression level of various CYPs in the liver from 2 to 24 weeks post-operation. No significant differences were observed in the protein expression levels of CYP3A, CYP1A, CYP2C, and CYP2D between the sham operation group and the gastrectomy group up to 4 weeks after the gastrectomy. On the other hand, significant increases in the protein expression levels of any CYPs were observed in the gastrectomy group compared to the sham operation group from 12 weeks after the gastrectomy onward. These increases in expression levels were maintained until 24 weeks after the gastrectomy. The examination of metabolic activity in the liver in the gastrectomy group using triazolam revealed that the metabolic activity at 12 weeks after the gastrectomy was significantly increased in the gastrectomy group. The administration of the anticancer drug imatinib, which is a substrate of CYP3A, to mice at 12weeks after gastrectomy resulted in an increase in the metabolic rate, suggesting a possible decrease in drug effectiveness. It has been revealed that drug effectiveness may be reduced after gastrectomy because the expression levels of various CYPs in the liver were increased over a prolonged period. The results of this study can serve as valuable fundamental knowledge for drug therapy in patients with gastrectomy.
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Affiliation(s)
- Makoto Ishii
- Department of Clinical Pharmacokinetics, Hoshi University, Japan
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Martineau M, Papacleovoulou G, Abu-Hayyeh S, Dixon P, Ji H, Powrie R, Larson L, Chien E, Williamson C. Cholestatic pregnancy is associated with reduced placental 11βHSD2 expression. Placenta 2014; 35:37-43. [DOI: 10.1016/j.placenta.2013.10.019] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/15/2013] [Revised: 10/22/2013] [Accepted: 10/23/2013] [Indexed: 12/27/2022]
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Taguchi K, Fukusaki E, Bamba T. Simultaneous and rapid analysis of bile acids including conjugates by supercritical fluid chromatography coupled to tandem mass spectrometry. J Chromatogr A 2013; 1299:103-9. [PMID: 23768533 DOI: 10.1016/j.chroma.2013.05.043] [Citation(s) in RCA: 49] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2013] [Revised: 05/08/2013] [Accepted: 05/15/2013] [Indexed: 11/18/2022]
Abstract
A number of analysis methods for bile acids using LC-MS and GC-MS have been reported. However, there is no reported method for the simultaneous analysis of bile acids using supercritical fluid chromatography (SFC). In this study, we have successfully developed a rapid method using SFC coupled to electrospray ionization tandem mass spectrometry (ESI-MS/MS) for comprehensive bile acid profiling. 25 bile acids including glycine and taurine conjugates were analyzed simultaneously within 13min. The method was applied to rat serum samples, 24 of the bile acids were quantified without any solid-phase extraction and complicated sample preparation. This study not only reports simultaneous analysis of bile acids including conjugates but also indicates the method is applicable to a biological sample. This is the first report on the simultaneous analysis of bile acids using SFC/MS. The developed method will be an alternative to existing analysis methodology for studies on the bile acid metabolism in the medical and pharmaceutical fields.
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Affiliation(s)
- Kaori Taguchi
- Waters Corporation, 34 Maple Street, Milford, MA 01757, USA
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Abstract
The cytosolic sulfotransferases (SULTs) are a multigene family of enzymes that catalyze the transfer of a sulfonate group from the physiologic sulfate donor, 3'-phosphoadenosine-5'-phosphosulfate, to a nucleophilic substrate to generate a polar product that is more amenable to elimination from the body. As catalysts of both xenobiotic and endogenous metabolism, the SULTs are major points of contact between the external and physiological environments, and modulation of SULT-catalyzed metabolism can not only affect xenobiotic disposition, but it can also alter endogenous metabolic processes. Therefore, it is not surprising that SULT expression is regulated by numerous members of the nuclear receptor (NR) superfamily that function as sensors of xenobiotics as well as endogenous molecules, such as fatty acids, bile acids, and oxysterols. These NRs include the peroxisome proliferator-activated receptors, pregnane X receptor, constitutive androstane receptor, vitamin D receptor, liver X receptors, farnesoid X receptor, retinoid-related orphan receptors, and estrogen-related receptors. This review summarizes current information about NR regulation of SULT expression. Because species differences in SULT subfamily composition and tissue-, sex-, development-, and inducer-dependent regulation are prominent, these differences will be emphasized throughout the review. In addition, because of the central role of the SULTs in cellular physiology, the effect of NR-mediated SULT regulation on physiological and pathophysiological processes will be discussed. Gaps in current knowledge that require further investigation are also highlighted.
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Affiliation(s)
- Melissa Runge-Morris
- Institute of Environmental Health Sciences, Wayne State University, Detroit, Michigan 48201, USA.
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Poulton EJ, Levy L, Lampe JW, Shen DD, Tracy J, Shuhart MC, Thummel KE, Eaton DL. Sulforaphane is not an effective antagonist of the human pregnane X-receptor in vivo. Toxicol Appl Pharmacol 2012; 266:122-31. [PMID: 23153560 DOI: 10.1016/j.taap.2012.10.029] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2012] [Revised: 09/28/2012] [Accepted: 10/15/2012] [Indexed: 12/20/2022]
Abstract
Sulforaphane (SFN), is an effective in vitro antagonist of ligand activation of the human pregnane and xenobiotic receptor (PXR). PXR mediated CYP3A4 up-regulation is implicated in adverse drug-drug interactions making identification of small molecule antagonists a desirable therapeutic goal. SFN is not an antagonist to mouse or rat PXR in vitro; thus, normal rodent species are not suitable as in vivo models for human response. To evaluate whether SFN can effectively antagonize ligand activation of human PXR in vivo, a three-armed, randomized, crossover trial was conducted with 24 healthy adults. The potent PXR ligand - rifampicin (300mg/d) was given alone for 7days in arm 1, or in daily combination with 450μmol SFN (Broccoli Sprout extract) in arm 2; SFN was given alone in arm 3. Midazolam as an in vivo phenotype marker of CYP3A was administered before and after each treatment arm. Rifampicin alone decreased midazolam AUC by 70%, indicative of the expected increase in CYP3A4 activity. Co-treatment with SFN did not reduce CYP3A4 induction. Treatment with SFN alone also did not affect CYP3A4 activity in the cohort as a whole, although in the subset with the highest basal CYP3A4 activity there was a statistically significant increase in midazolam AUC (i.e., decrease in CYP3A4 activity). A parallel study in humanized PXR mice yielded similar results. The parallel effects of SFN between humanized PXR mice and human subjects demonstrate the predictive value of humanized mouse models in situations where species differences in ligand-receptor interactions preclude the use of a native mouse model for studying human ligand-receptor pharmacology.
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Affiliation(s)
- Emma Jane Poulton
- Center for Ecogenetics and Environmental Health, University of Washington, WA 98105-6099, USA
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Bile acids and colon cancer: Solving the puzzle with nuclear receptors. Trends Mol Med 2011; 17:564-72. [PMID: 21724466 DOI: 10.1016/j.molmed.2011.05.010] [Citation(s) in RCA: 155] [Impact Index Per Article: 11.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2011] [Revised: 05/06/2011] [Accepted: 05/23/2011] [Indexed: 12/11/2022]
Abstract
Colorectal cancer is the third most common malignancy worldwide and is often linked to obesity, a sedentary lifestyle, carbohydrate- and fat-rich diets and elevated fecal excretion of secondary bile acids. Accumulation of toxic bile acids triggers oxidative damage, mitochondrial dysfunction and tumor progression. Nuclear receptors are transcription factors crucially involved in the regulation of bile acid metabolism and detoxification, and their activation may confer protection from bile acid tumor-promoting activity. In this review, we explore the tangled relationships among bile acids, nuclear receptors and the intestinal epithelium, with particular emphasis on the role of the farnesoid X receptor in colorectal cancer prevention and on novel nuclear receptor-based approaches to expand the portfolio of chemotherapeutic agents.
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Characterisation of the nuclear receptors FXR, PXR and CAR in normal and cholestatic placenta. Placenta 2011; 32:535-7. [DOI: 10.1016/j.placenta.2011.04.014] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/30/2009] [Revised: 04/17/2011] [Accepted: 04/21/2011] [Indexed: 11/23/2022]
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Khan AA, Chow ECY, Porte RJ, Pang KS, Groothuis GMM. The role of lithocholic acid in the regulation of bile acid detoxication, synthesis, and transport proteins in rat and human intestine and liver slices. Toxicol In Vitro 2010; 25:80-90. [PMID: 20888898 DOI: 10.1016/j.tiv.2010.09.011] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2010] [Revised: 07/25/2010] [Accepted: 09/26/2010] [Indexed: 10/19/2022]
Abstract
The effects of the secondary bile acid, lithocholic acid (LCA), a VDR, FXR and PXR ligand, on the regulation of bile acid metabolism (CYP3A isozymes), synthesis (CYP7A1), and transporter proteins (MRP3, MRP2, BSEP, NTCP) as well as nuclear receptors (FXR, PXR, LXRα, HNF1α, HNF4α and SHP) were studied in rat and human precision-cut intestine and liver slices at the mRNA level. Changes due to 5 to 10 μM of LCA were compared to those of other prototype ligands for VDR, FXR, PXR and GR. LCA induced rCYP3A1 and rCYP3A9 in the rat jejunum, ileum and colon, rCYP3A2 only in the ileum, rCYP3A9 expression in the liver, and CYP3A4 in the human ileum but not in liver. LCA induced the expression of rMRP2 in the colon but not in the jejunum and ileum but did not affect rMRP3 expression along the length of the rat intestine. In human ileum slices, LCA induced hMRP3 and hMRP2 expression. In rat liver slices, LCA decreased rCYP7A1, rLXRα and rHNF4α expression, induced rSHP expression, but did not affect rBSEP or rNTCP expression; whereas in the human liver, a small but significant decrease was found for hHNF1α expression. These data suggests profound species differences in the effects of LCA on bile acid transport, synthesis and detoxification. An examination of the effects of prototype VDR, PXR, GR and FXR ligands showed that these pathways are all intact in precision cut slices and that LCA exerted VDR, PXR and FXR effects. The LCA-induced altered enzymes and transporter expressions in the intestine and liver would affect the disposition of drugs.
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Affiliation(s)
- Ansar A Khan
- Department of Pharmacy, University of Groningen, Groningen, The Netherlands
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Possible protective role of pregnenolone-16α-carbonitrile in lithocholic acid-induced hepatotoxicity through enhanced hepatic lipogenesis. Eur J Pharmacol 2010; 636:145-54. [DOI: 10.1016/j.ejphar.2010.03.022] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2009] [Revised: 02/25/2010] [Accepted: 03/12/2010] [Indexed: 01/04/2023]
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