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Huang Y, Chen H, Chen J, Wu Q, Zhang W, Li D, Lu Y, Chen Y. Yellow tea polysaccharides protect against non-alcoholic fatty liver disease via regulation of gut microbiota and bile acid metabolism in mice. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2024; 133:155919. [PMID: 39153277 DOI: 10.1016/j.phymed.2024.155919] [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: 04/29/2024] [Revised: 07/02/2024] [Accepted: 07/26/2024] [Indexed: 08/19/2024]
Abstract
BACKGROUND Nonalcoholic fatty liver disease (NAFLD) is a major clinical and global public health issue, with no specific pharmacological treatment available. Currently, there is a lack of approved drugs for the clinical treatment of NAFLD. Large-leaf yellow tea polysaccharides (YTP) is a natural biomacromolecule with excellent prebiotic properties and significant therapeutic effects on multiple metabolic diseases. However, the specific mechanisms by which YTP regulates NAFLD remain unclear. PURPOSE This study aims to explore the prebiotic effects of YTP and the potential mechanisms by which it inhibits hepatic cholesterol accumulation in NAFLD mice. METHODS The effects of YTP on lipid accumulation were evaluated in NAFLD mice through obesity trait analysis and bile acids (BAs) metabolism assessment. Additionally, fecal microbiota transplantation (FMT) was performed, and high-throughput sequencing was employed to investigate the mechanisms underlying YTP's regulatory effects on gut microbiota and BA metabolism. RESULTS Our study demonstrated that YTP altered the constitution of colonic BA, particularly increasing the levels of conjugated BA and non-12OH BA, which suppressed ileum FXR receptors and hepatic BA reabsorption, facilitated BA synthesis, and fecal BA excretion. The modifications were characterized by a decrease in the levels of FXR, FGF15, FGFR4, and ASBT proteins, and an increase in the levels of Cyp7a1 and Cyp27a1 proteins. YTP might affect enterohepatic circulation and by the activated the hepatic FXR-SHP pathway. Meanwhile, YTP reshaped the intestinal microbiome structure by decreasing BSH-producing genera and increasing taurine metabolism genera. The correlation analysis implied that Muribaculaceae, Pseudomonas, acterium_coprostanoligenes_group, Clostridiales, Lachnospiraceae_NK4A136_group, Delftia, Dubosiella, and Romboutsia were strongly correlated with specific BA monomers. CONCLUSIONS YTP modulates bile salt hydrolase-related microbial genera to activate alternative bile acid synthesis pathways, thereby inhibiting NAFLD progression. These results suggest that YTP may serve as a potential probiotic formulation, offering a feasible dietary intervention for NAFLD.
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Affiliation(s)
- Yuzhe Huang
- School of Life Sciences, Anhui University, Hefei, Anhui 230601, PR China; Department of Pharmacy, Anhui University of Chinese Medicine, Hefei, Anhui 230012, PR China; Institute of Pharmaceutics, Anhui Academy of Chinese Medicine, Hefei, Anhui 230012, PR China; Key Laboratory for Ecological Engineering and Biotechnology of Anhui Province, Hefei 230601, PR China
| | - Hao Chen
- School of Life Sciences, Anhui University, Hefei, Anhui 230601, PR China; Key Laboratory for Ecological Engineering and Biotechnology of Anhui Province, Hefei 230601, PR China
| | - Jielin Chen
- School of Life Sciences, Anhui University, Hefei, Anhui 230601, PR China; Key Laboratory for Ecological Engineering and Biotechnology of Anhui Province, Hefei 230601, PR China
| | - Qingxi Wu
- School of Life Sciences, Anhui University, Hefei, Anhui 230601, PR China; Key Laboratory for Ecological Engineering and Biotechnology of Anhui Province, Hefei 230601, PR China
| | - Wenna Zhang
- School of Life Sciences, Anhui University, Hefei, Anhui 230601, PR China; Key Laboratory for Ecological Engineering and Biotechnology of Anhui Province, Hefei 230601, PR China
| | - Daxiang Li
- State Key Laboratory of Tea Plant Biology and Utilization, School of Tea & Food Science, Anhui Agricultural University, Hefei, Anhui 230036, PR China
| | - Yongming Lu
- School of Life Sciences, Anhui University, Hefei, Anhui 230601, PR China; Key Laboratory for Ecological Engineering and Biotechnology of Anhui Province, Hefei 230601, PR China
| | - Yan Chen
- School of Life Sciences, Anhui University, Hefei, Anhui 230601, PR China; Key Laboratory for Ecological Engineering and Biotechnology of Anhui Province, Hefei 230601, PR China.
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Zhao J, Yue P, Mi N, Li M, Fu W, Zhang X, Gao L, Bai M, Tian L, Jiang N, Lu Y, Ma H, Dong C, Zhang Y, Zhang H, Zhang J, Ren Y, Suzuki A, Wong PF, Tanaka K, Rerknimitr R, Junger HH, Cheung TT, Melloul E, Demartines N, Leung JW, Yao J, Yuan J, Lin Y, Schlitt HJ, Meng W. Biliary fibrosis is an important but neglected pathological feature in hepatobiliary disorders: from molecular mechanisms to clinical implications. MEDICAL REVIEW (2021) 2024; 4:326-365. [PMID: 39135601 PMCID: PMC11317084 DOI: 10.1515/mr-2024-0029] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/27/2024] [Accepted: 06/06/2024] [Indexed: 08/15/2024]
Abstract
Fibrosis resulting from pathological repair secondary to recurrent or persistent tissue damage often leads to organ failure and mortality. Biliary fibrosis is a crucial but easily neglected pathological feature in hepatobiliary disorders, which may promote the development and progression of benign and malignant biliary diseases through pathological healing mechanisms secondary to biliary tract injuries. Elucidating the etiology and pathogenesis of biliary fibrosis is beneficial to the prevention and treatment of biliary diseases. In this review, we emphasized the importance of biliary fibrosis in cholangiopathies and summarized the clinical manifestations, epidemiology, and aberrant cellular composition involving the biliary ductules, cholangiocytes, immune system, fibroblasts, and the microbiome. We also focused on pivotal signaling pathways and offered insights into ongoing clinical trials and proposing a strategic approach for managing biliary fibrosis-related cholangiopathies. This review will offer a comprehensive perspective on biliary fibrosis and provide an important reference for future mechanism research and innovative therapy to prevent or reverse fibrosis.
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Affiliation(s)
- Jinyu Zhao
- Department of General Surgery, The First Hospital of Lanzhou University, Lanzhou, Gansu, China
| | - Ping Yue
- Department of General Surgery, The First Hospital of Lanzhou University, Lanzhou, Gansu, China
| | - Ningning Mi
- Department of General Surgery, The First Hospital of Lanzhou University, Lanzhou, Gansu, China
| | - Matu Li
- Department of Gastroenterology, The First Hospital of Lanzhou University, Lanzhou, Gansu, China
| | - Wenkang Fu
- Department of General Surgery, The First Hospital of Lanzhou University, Lanzhou, Gansu, China
| | - Xianzhuo Zhang
- Department of General Surgery, The First Hospital of Lanzhou University, Lanzhou, Gansu, China
| | - Long Gao
- Department of General Surgery, The First Hospital of Lanzhou University, Lanzhou, Gansu, China
| | - Mingzhen Bai
- Department of General Surgery, The First Hospital of Lanzhou University, Lanzhou, Gansu, China
| | - Liang Tian
- Department of General Surgery, The First Hospital of Lanzhou University, Lanzhou, Gansu, China
| | - Ningzu Jiang
- Department of General Surgery, The First Hospital of Lanzhou University, Lanzhou, Gansu, China
| | - Yawen Lu
- Department of General Surgery, The First Hospital of Lanzhou University, Lanzhou, Gansu, China
| | - Haidong Ma
- Department of General Surgery, The First Hospital of Lanzhou University, Lanzhou, Gansu, China
| | - Chunlu Dong
- Department of General Surgery, The First Hospital of Lanzhou University, Lanzhou, Gansu, China
| | - Yong Zhang
- Department of General Surgery, The First Hospital of Lanzhou University, Lanzhou, Gansu, China
| | - Hengwei Zhang
- Department of General Surgery, The First Hospital of Lanzhou University, Lanzhou, Gansu, China
| | - Jinduo Zhang
- Department of General Surgery, The First Hospital of Lanzhou University, Lanzhou, Gansu, China
| | - Yanxian Ren
- Department of General Surgery, The First Hospital of Lanzhou University, Lanzhou, Gansu, China
| | - Azumi Suzuki
- Department of Gastroenterology, Hamamatsu Medical Center, Hamamatsu, Japan
| | - Peng F. Wong
- Department of Vascular Surgery, The James Cook University Hospital, Middlesbrough, UK
| | - Kiyohito Tanaka
- Department of Gastroenterology, Kyoto Second Red Cross Hospital, Kyoto, Japan
| | - Rungsun Rerknimitr
- Division of Gastroenterology, Department of Medicine, Faculty of Medicine, Chulalongkorn, Bangkok, Thailand
- Excellence Center for Gastrointestinal Endoscopy, King Chulalongkorn Memorial Hospital, Bangkok, Thailand
| | - Henrik H. Junger
- Department of Surgery, University Medical Center Regensburg, Regensburg, Germany
| | - Tan T. Cheung
- Department of Surgery, The University of Hong Kong, Hong Kong, China
| | - Emmanuel Melloul
- Department of Visceral Surgery, Lausanne University Hospital CHUV, University of Lausanne (UNIL), Lausanne, Switzerland
| | - Nicolas Demartines
- Department of Visceral Surgery, Lausanne University Hospital CHUV, University of Lausanne (UNIL), Lausanne, Switzerland
| | - Joseph W. Leung
- Division of Gastroenterology and Hepatology, UC Davis Medical Center and Sacramento VA Medical Center, Sacramento, CA, USA
| | - Jia Yao
- The First School of Clinical Medicine, Lanzhou University, Lanzhou, Gansu, China
- Key Laboratory of Biotherapy and Regenerative Medicine of Gansu Province, Lanzhou, China
| | - Jinqiu Yuan
- Clinical Research Center, Big Data Center, The Seventh Affiliated Hospital, Sun Yat-sen University, Shenzhen, Guangdong, China
| | - Yanyan Lin
- Department of General Surgery, The First Hospital of Lanzhou University, Lanzhou, Gansu, China
| | - Hans J. Schlitt
- Department of Surgery, University Medical Center Regensburg, Regensburg, Germany
| | - Wenbo Meng
- Department of General Surgery, The First Hospital of Lanzhou University, Lanzhou, Gansu, China
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Ding C, Wang Z, Dou X, Yang Q, Ning Y, Kao S, Sang X, Hao M, Wang K, Peng M, Zhang S, Han X, Cao G. Farnesoid X receptor: From Structure to Function and Its Pharmacology in Liver Fibrosis. Aging Dis 2024; 15:1508-1536. [PMID: 37815898 PMCID: PMC11272191 DOI: 10.14336/ad.2023.0830] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2023] [Accepted: 08/30/2023] [Indexed: 10/12/2023] Open
Abstract
The farnesoid X receptor (FXR), a ligand-activated transcription factor, plays a crucial role in regulating bile acid metabolism within the enterohepatic circulation. Beyond its involvement in metabolic disorders and immune imbalances affecting various tissues, FXR is implicated in microbiota modulation, gut-to-brain communication, and liver disease. The liver, as a pivotal metabolic and detoxification organ, is susceptible to damage from factors such as alcohol, viruses, drugs, and high-fat diets. Chronic or recurrent liver injury can culminate in liver fibrosis, which, if left untreated, may progress to cirrhosis and even liver cancer, posing significant health risks. However, therapeutic options for liver fibrosis remain limited in terms of FDA-approved drugs. Recent insights into the structure of FXR, coupled with animal and clinical investigations, have shed light on its potential pharmacological role in hepatic fibrosis. Progress has been achieved in both fundamental research and clinical applications. This review critically examines recent advancements in FXR research, highlighting challenges and potential mechanisms underlying its role in liver fibrosis treatment.
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Affiliation(s)
- Chuan Ding
- School of Pharmacy, Zhejiang Chinese Medical University, Hangzhou, China.
- Jinhua Institute, Zhejiang Chinese Medical University, Jinhua, China.
| | - Zeping Wang
- School of Pharmacy, Zhejiang Chinese Medical University, Hangzhou, China.
| | - Xinyue Dou
- School of Pharmacy, Zhejiang Chinese Medical University, Hangzhou, China.
| | - Qiao Yang
- School of Pharmacy, Zhejiang Chinese Medical University, Hangzhou, China.
| | - Yan Ning
- School of Pharmacy, Zhejiang Chinese Medical University, Hangzhou, China.
| | - Shi Kao
- School of Pharmacy, Zhejiang Chinese Medical University, Hangzhou, China.
| | - Xianan Sang
- School of Pharmacy, Zhejiang Chinese Medical University, Hangzhou, China.
| | - Min Hao
- School of Pharmacy, Zhejiang Chinese Medical University, Hangzhou, China.
| | - Kuilong Wang
- School of Pharmacy, Zhejiang Chinese Medical University, Hangzhou, China.
| | - Mengyun Peng
- School of Pharmacy, Zhejiang Chinese Medical University, Hangzhou, China.
| | - Shuosheng Zhang
- College of Chinese Materia Medica and Food Engineering, Shanxi University of Chinese Medicine, Jinzhong, China.
| | - Xin Han
- School of Pharmacy, Zhejiang Chinese Medical University, Hangzhou, China.
- Jinhua Institute, Zhejiang Chinese Medical University, Jinhua, China.
| | - Gang Cao
- School of Pharmacy, Zhejiang Chinese Medical University, Hangzhou, China.
- Jinhua Institute, Zhejiang Chinese Medical University, Jinhua, China.
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Wang Y, Xu H, Zhou X, Chen W, Zhou H. Dysregulated bile acid homeostasis: unveiling its role in metabolic diseases. MEDICAL REVIEW (2021) 2024; 4:262-283. [PMID: 39135605 PMCID: PMC11317083 DOI: 10.1515/mr-2024-0020] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/27/2024] [Accepted: 05/13/2024] [Indexed: 08/15/2024]
Abstract
Maintaining bile acid homeostasis is essential for metabolic health. Bile acid homeostasis encompasses a complex interplay between biosynthesis, conjugation, secretion, and reabsorption. Beyond their vital role in digestion and absorption of lipid-soluble nutrients, bile acids are pivotal in systemic metabolic regulation. Recent studies have linked bile acid dysregulation to the pathogenesis of metabolic diseases, including obesity, type 2 diabetes mellitus (T2DM), and metabolic dysfunction-associated steatotic liver disease (MASLD). Bile acids are essential signaling molecules that regulate many critical biological processes, including lipid metabolism, energy expenditure, insulin sensitivity, and glucose metabolism. Disruption in bile acid homeostasis contributes to metabolic disease via altered bile acid feedback mechanisms, hormonal dysregulation, interactions with the gut microbiota, and changes in the expression and function of bile acid transporters and receptors. This review summarized the essential molecular pathways and regulatory mechanisms through which bile acid dysregulation contributes to the pathogenesis and progression of obesity, T2DM, and MASLD. We aim to underscore the significance of bile acids as potential diagnostic markers and therapeutic agents in the context of metabolic diseases, providing insights into their application in translational medicine.
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Affiliation(s)
- Yanyan Wang
- Department of Microbiology and Immunology, Virginia Commonwealth University, Richmond Veterans Affairs Medical Center, Richmond, VA, USA
- School of Pharmaceutical Science, Anhui University of Chinese Medicine, Hefei, Anhui, China
| | - Huangru Xu
- School of Life Science, Nanjing University, Nanjing, Jiangsu, China
| | - Xiqiao Zhou
- Department of Endocrinology, Jiangsu Province Hospital of Chinese Medicine, Nanjing University of Chinese Medicine, Nanjing, Jiangsu, China
| | - Weidong Chen
- School of Pharmaceutical Science, Anhui University of Chinese Medicine, Hefei, Anhui, China
| | - Huiping Zhou
- Department of Microbiology and Immunology, Virginia Commonwealth University, Richmond Veterans Affairs Medical Center, Richmond, VA, USA
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5
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Wang Z, Ye S, van der Laan LJW, Schneeberger K, Masereeuw R, Spee B. Chemically Defined Organoid Culture System for Cholangiocyte Differentiation. Adv Healthc Mater 2024:e2401511. [PMID: 39044566 DOI: 10.1002/adhm.202401511] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2024] [Revised: 07/15/2024] [Indexed: 07/25/2024]
Abstract
Cholangiocyte organoids provide a powerful platform for applications ranging from in vitro modeling to tissue engineering for regenerative medicine. However, their expansion and differentiation are typically conducted in animal-derived hydrogels, which impede the full maturation of organoids into functional cholangiocytes. In addition, these hydrogels are poorly defined and complex, limiting the clinical applicability of organoids. In this study, a novel medium composition combined with synthetic polyisocyanopeptide (PIC) hydrogels to enhance the maturation of intrahepatic cholangiocyte organoids (ICOs) into functional cholangiocytes is utilized. ICOs cultured in the presence of sodium butyrate and valproic acid, a histone deacetylase inhibitor, and a Notch signaling activator, respectively, in PIC hydrogel exhibit a more mature phenotype, as evidenced by increased expression of key cholangiocyte markers, crucial for biliary function. Notably, mature cholangiocyte organoids in PIC hydrogel display apical-out polarity, in contrast to the traditional basal-out polarization of ICOs cultured in Matrigel. Moreover, these mature cholangiocyte organoids effectively model the biliary pro-fibrotic response induced by transforming growth factor beta. Taken together, an animal-free, chemically defined culture system that promotes the ICOs into mature cholangiocytes with apical-out polarity, facilitating regenerative medicine applications and in vitro studies that require access to the apical membrane, is developed.
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Affiliation(s)
- Zhenguo Wang
- Division of Pharmacology, Utrecht Institute for Pharmaceutical Sciences, Faculty of Science, Utrecht University, Universiteitsweg 99, Utrecht, 3584 CG, The Netherlands
- Department of Clinical Sciences, Faculty of Veterinary Medicine, Utrecht University, Uppsalalaan 8, Utrecht, 3584 CT, The Netherlands
| | - Shicheng Ye
- Department of Clinical Sciences, Faculty of Veterinary Medicine, Utrecht University, Uppsalalaan 8, Utrecht, 3584 CT, The Netherlands
| | - Luc J W van der Laan
- Department of Surgery, Erasmus MC Transplant Institute, University Medical Center Rotterdam, Doctor Molewaterplein 40, Rotterdam, 3015 GD, The Netherlands
| | - Kerstin Schneeberger
- Department of Clinical Sciences, Faculty of Veterinary Medicine, Utrecht University, Uppsalalaan 8, Utrecht, 3584 CT, The Netherlands
| | - Rosalinde Masereeuw
- Division of Pharmacology, Utrecht Institute for Pharmaceutical Sciences, Faculty of Science, Utrecht University, Universiteitsweg 99, Utrecht, 3584 CG, The Netherlands
| | - Bart Spee
- Department of Clinical Sciences, Faculty of Veterinary Medicine, Utrecht University, Uppsalalaan 8, Utrecht, 3584 CT, The Netherlands
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Sheng X, Zhan P, Wang P, He W, Tian H. Mitigation of high-fat diet-induced hepatic steatosis by thyme ( Thymus quinquecostatus Celak) polyphenol-rich extract (TPE): insights into gut microbiota modulation and bile acid metabolism. Food Funct 2024; 15:7333-7347. [PMID: 38305590 DOI: 10.1039/d3fo05235d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2024]
Abstract
Our previous study demonstrated that thyme polyphenol-rich extract (TPE) mitigated hepatic injury induced by a high-fat diet (HFD) through the regulation of lipid metabolism, promotion of short-chain fatty acid production, enhancement of intestinal barrier function, and attenuation of inflammation. In this study, we aimed to further elucidate additional mechanisms underlying TPE-mediated preventive effects on hepatic steatosis, with a specific focus on its impact on the gut microbiota and bile acid (BA) metabolism in HFD-fed mice. TPE treatment resulted in a significant reduction in serum total BA levels and a notable increase in fecal total BA levels. In particular, elevations in fecal conjugated BA levels, in turn, impede intestinal farnesoid X receptor (FXR) signaling, thereby enhancing hepatic synthesis and fecal excretion of BAs. The downregulated mRNA expression levels of intestinal Fxr and Fgf15, and hepatic Fgfr4, along with the upregulated mRNA expression levels of Cyp7a1 and Cyp27a1 after TPE treatment also prove the above inference. Meanwhile, TPE appeared to promote BA efflux and enterohepatic circulation, as evidenced by changes in the mRNA levels of Bsep, Ntpc, Shp, Asbt, Ibabp, and Ostα/β. TPE also modulated the gut microbiota and was characterized by an increased relative abundance of Lactobacillus. Furthermore, antibiotic treatment depleted the intestinal flora in mice, also abrogating the hepatoprotective effect of TPE against NAFLD. These findings collectively indicate that TPE effectively mitigates HFD-induced NAFLD by modulating the gut-liver axis, specifically targeting the gut microbiota and bile acid metabolism.
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Affiliation(s)
- Xialu Sheng
- College of Food Engineering and Nutritional Science, Shaanxi Normal University, Xi'an 710119, China.
| | - Ping Zhan
- College of Food Engineering and Nutritional Science, Shaanxi Normal University, Xi'an 710119, China.
| | - Peng Wang
- College of Food Engineering and Nutritional Science, Shaanxi Normal University, Xi'an 710119, China.
| | - Wanying He
- College of Food Engineering and Nutritional Science, Shaanxi Normal University, Xi'an 710119, China.
| | - Honglei Tian
- College of Food Engineering and Nutritional Science, Shaanxi Normal University, Xi'an 710119, China.
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Li W, Zhang Y, Yang J, Xu H, Ye R, Wu J, Cao M, Zhao C, Yang B, Liu C, Li L. Effect of Bile Acids Supplementation in Fatty Liver Hemorrhagic Syndrome, Production Performance, Physiological and Quality Characteristics of Laying Hen Eggs. Animals (Basel) 2024; 14:1910. [PMID: 38998024 PMCID: PMC11240722 DOI: 10.3390/ani14131910] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2024] [Revised: 06/23/2024] [Accepted: 06/25/2024] [Indexed: 07/14/2024] Open
Abstract
This study aimed to investigate the effects of bile acids (BAs) supplementation on fatty liver hemorrhagic syndrome (FLHS), production performance, and physiological and quality characteristics of laying hen eggs. Sixty Sanhuang laying hens, aged 28 weeks, were randomly allocated to six dietary treatments over a 4-week period, including the control (CON) group (feeding basal diet), the high-fat diet (HFD)-treated group (basal diet containing 10% soybean oil), and HFD supplemented with 0.01% and 0.02% of chenodeoxycholic acid (CDCA) or hyodeoxycholic acid (HDCA) groups. Production performance, egg quality, liver morphology, serum biochemical indexes, antioxidant capacity, proinflammatory cytokines, and intestinal microbiota were evaluated. The average body weight in 0.01% CDCA was larger than in the HFD group (p < 0.05). Eggshell Thickness in the CON group was greater than in the HFD, 0.01% CDCA, and HDCA groups (p < 0.05). Albumen height in the 0.02% HDCA group was higher than the HFD group (p < 0.05). Eggshell weight in the HFD group was less than the CON group (p < 0.05). Haugh unit (HU) in the HDCA group was larger than the HFD group (p < 0.05). Albumen weight in the 0.02% HDCA group was greater than the CON and HFD groups (p < 0.05). In the HFD group, the levels of triglyceride (TG), total cholesterol (TC), and low-density lipo-protein cholesterol (LDL-C) were surpassing the other groups (p < 0.05). The levels of catalase (CAT) and total superoxide dismutase (T-SOD) in the HFD group was smaller than the other groups (p < 0.05). The level of malondialdehyde (MDA) in the HFD group was higher than in the other groups (p < 0.05). Tumor necrosis factor-α (TNF-α) levels were larger in the HFD group than in the other groups (p < 0.05). The 16S rRNA sequencing analysis indicated significant variations in the relative abundance of specific bacterial populations among the different treatment groups. The treatment and CON groups exhibited a higher presence of bacteria that inhibit host energy absorption or promote intestinal health such as Firmicutes, Bacteroidetes, and Ruminococcus, whereas the HFD group showed an increased prevalence of potentially pathogenic or deleterious bacteria, such as Desulfovibrio spp. In conclusion, the supplementation of BAs in poultry feed has been demonstrated to effectively mitigate the detrimental effects of FLHS in laying hens. This intervention regulates lipid metabolism, bolsters antioxidant defenses, reduces inflammation, and modulates the gut microbiota, offering a novel perspective on the application of BAs in the poultry industry.
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Affiliation(s)
- Wen Li
- College of Animal Science, Anhui Science and Technology University, Fengyang 233100, China; (W.L.); (Y.Z.); (J.Y.); (H.X.); (R.Y.); (J.W.); (M.C.); (C.Z.); (B.Y.)
- Anhui Province Key Laboratory of Animal Nutritional Regulation and Health, Fengyang 233100, China
| | - Yu Zhang
- College of Animal Science, Anhui Science and Technology University, Fengyang 233100, China; (W.L.); (Y.Z.); (J.Y.); (H.X.); (R.Y.); (J.W.); (M.C.); (C.Z.); (B.Y.)
- Anhui Province Key Laboratory of Animal Nutritional Regulation and Health, Fengyang 233100, China
| | - Jingyi Yang
- College of Animal Science, Anhui Science and Technology University, Fengyang 233100, China; (W.L.); (Y.Z.); (J.Y.); (H.X.); (R.Y.); (J.W.); (M.C.); (C.Z.); (B.Y.)
- Anhui Province Key Laboratory of Animal Nutritional Regulation and Health, Fengyang 233100, China
| | - Hao Xu
- College of Animal Science, Anhui Science and Technology University, Fengyang 233100, China; (W.L.); (Y.Z.); (J.Y.); (H.X.); (R.Y.); (J.W.); (M.C.); (C.Z.); (B.Y.)
- Anhui Province Key Laboratory of Animal Nutritional Regulation and Health, Fengyang 233100, China
| | - Ruiqi Ye
- College of Animal Science, Anhui Science and Technology University, Fengyang 233100, China; (W.L.); (Y.Z.); (J.Y.); (H.X.); (R.Y.); (J.W.); (M.C.); (C.Z.); (B.Y.)
- Anhui Province Key Laboratory of Animal Nutritional Regulation and Health, Fengyang 233100, China
| | - Jiale Wu
- College of Animal Science, Anhui Science and Technology University, Fengyang 233100, China; (W.L.); (Y.Z.); (J.Y.); (H.X.); (R.Y.); (J.W.); (M.C.); (C.Z.); (B.Y.)
- Anhui Province Key Laboratory of Animal Nutritional Regulation and Health, Fengyang 233100, China
| | - Mixia Cao
- College of Animal Science, Anhui Science and Technology University, Fengyang 233100, China; (W.L.); (Y.Z.); (J.Y.); (H.X.); (R.Y.); (J.W.); (M.C.); (C.Z.); (B.Y.)
- Anhui Province Key Laboratory of Animal Nutritional Regulation and Health, Fengyang 233100, China
- Key Laboratory of Quality & Safety Control for Pork, Ministry of Agriculture and Rural, Fengyang 233100, China
| | - Chunfang Zhao
- College of Animal Science, Anhui Science and Technology University, Fengyang 233100, China; (W.L.); (Y.Z.); (J.Y.); (H.X.); (R.Y.); (J.W.); (M.C.); (C.Z.); (B.Y.)
- Anhui Province Key Laboratory of Animal Nutritional Regulation and Health, Fengyang 233100, China
- Key Laboratory of Quality & Safety Control for Pork, Ministry of Agriculture and Rural, Fengyang 233100, China
| | - Bing Yang
- College of Animal Science, Anhui Science and Technology University, Fengyang 233100, China; (W.L.); (Y.Z.); (J.Y.); (H.X.); (R.Y.); (J.W.); (M.C.); (C.Z.); (B.Y.)
- Anhui Province Key Laboratory of Animal Nutritional Regulation and Health, Fengyang 233100, China
- Key Laboratory of Quality & Safety Control for Pork, Ministry of Agriculture and Rural, Fengyang 233100, China
| | - Chang Liu
- College of Animal Science, Anhui Science and Technology University, Fengyang 233100, China; (W.L.); (Y.Z.); (J.Y.); (H.X.); (R.Y.); (J.W.); (M.C.); (C.Z.); (B.Y.)
- Anhui Province Key Laboratory of Animal Nutritional Regulation and Health, Fengyang 233100, China
- Key Laboratory of Quality & Safety Control for Pork, Ministry of Agriculture and Rural, Fengyang 233100, China
| | - Lei Li
- College of Animal Science, Anhui Science and Technology University, Fengyang 233100, China; (W.L.); (Y.Z.); (J.Y.); (H.X.); (R.Y.); (J.W.); (M.C.); (C.Z.); (B.Y.)
- Anhui Province Key Laboratory of Animal Nutritional Regulation and Health, Fengyang 233100, China
- Key Laboratory of Quality & Safety Control for Pork, Ministry of Agriculture and Rural, Fengyang 233100, China
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Tang Y, Fan Y, Wang Y, Wang D, Huang Q, Chen T, Cao X, Wen C, Shen X, Li J, You Y. A Current Understanding of FXR in NAFLD: The multifaceted regulatory role of FXR and novel lead discovery for drug development. Biomed Pharmacother 2024; 175:116658. [PMID: 38701562 DOI: 10.1016/j.biopha.2024.116658] [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: 02/13/2024] [Revised: 04/16/2024] [Accepted: 04/24/2024] [Indexed: 05/05/2024] Open
Abstract
The global prevalence of nonalcoholic fatty liver disease (NAFLD) has reached 30 %, with an annual increase. The incidence of NAFLD-induced cirrhosis is rapidly rising and has become the leading indicator for liver transplantation in the US. However, there are currently no US Food and Drug Administration-approved drugs for NAFLD. Increasing evidence underscores the close association between NAFLD and bile acid metabolism disorder, highlighting the feasibility of targeting the bile acid signaling pathway for NAFLD treatment. The farnesoid X receptor (FXR) is an endogenous receptor for bile acids that exhibits favorable effects in ameliorating the metabolic imbalance of bile acids, lipid disorders, and disruption of intestinal homeostasis, all of which are key characteristics of NAFLD, making FXR a promising therapeutic target for NAFLD. The present review provides a comprehensive overview of the diverse mechanisms through which FXR improves NAFLD, with particular emphasis on its involvement in regulating bile acid homeostasis and the recent advancements in drug development targeting FXR for NAFLD treatment.
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Affiliation(s)
- Yuhong Tang
- School of Pharmacy & Minhang Hospital, Fudan University, Shanghai, China
| | - Yujuan Fan
- School of Pharmacy & Minhang Hospital, Fudan University, Shanghai, China
| | - Yiming Wang
- Department of Cardiology, Huashan Hospital, Fudan University, Shanghai, China
| | - Dong Wang
- School of Pharmacy & Minhang Hospital, Fudan University, Shanghai, China
| | - Qingyu Huang
- Department of Cardiology, Huashan Hospital, Fudan University, Shanghai, China
| | - Tongqing Chen
- School of Pharmacy & Minhang Hospital, Fudan University, Shanghai, China
| | - Xinyue Cao
- School of Pharmacy & Minhang Hospital, Fudan University, Shanghai, China
| | - Cailing Wen
- School of Pharmacy & Minhang Hospital, Fudan University, Shanghai, China
| | - Xiaoyan Shen
- School of Pharmacy & Minhang Hospital, Fudan University, Shanghai, China.
| | - Jian Li
- Department of Cardiology, Huashan Hospital, Fudan University, Shanghai, China.
| | - Yan You
- School of Pharmacy & Minhang Hospital, Fudan University, Shanghai, China.
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9
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Popov J, Despot T, Avelar Rodriguez D, Khan I, Mech E, Khan M, Bojadzija M, Pai N. Implications of Microbiota and Immune System in Development and Progression of Metabolic Dysfunction-Associated Steatotic Liver Disease. Nutrients 2024; 16:1668. [PMID: 38892602 PMCID: PMC11175128 DOI: 10.3390/nu16111668] [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: 05/10/2024] [Revised: 05/23/2024] [Accepted: 05/27/2024] [Indexed: 06/21/2024] Open
Abstract
Metabolic dysfunction-associated steatotic liver disease (MASLD) is the most prevalent type of liver disease worldwide. The exact pathophysiology behind MASLD remains unclear; however, it is thought that a combination of factors or "hits" act as precipitants for disease onset and progression. Abundant evidence supports the roles of diet, genes, metabolic dysregulation, and the intestinal microbiome in influencing the accumulation of lipids in hepatocytes and subsequent progression to inflammation and fibrosis. Currently, there is no cure for MASLD, but lifestyle changes have been the prevailing cornerstones of management. Research is now focusing on the intestinal microbiome as a potential therapeutic target for MASLD, with the spotlight shifting to probiotics, antibiotics, and fecal microbiota transplantation. In this review, we provide an overview of how intestinal microbiota interact with the immune system to contribute to the pathogenesis of MASLD and metabolic dysfunction-associated steatohepatitis (MASH). We also summarize key microbial taxa implicated in the disease and discuss evidence supporting microbial-targeted therapies in its management.
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Affiliation(s)
- Jelena Popov
- Boston Combined Residency Program, Boston Children’s Hospital & Boston Medical Center, Boston, MA 02115, USA;
| | - Tijana Despot
- College of Medicine and Health, University College Cork, T12 YN60 Cork, Ireland; (T.D.); (I.K.)
| | - David Avelar Rodriguez
- Department of Pediatric Gastroenterology, Hepatology & Nutrition, The Hospital for Sick Children, University of Toronto, Toronto, ON M5G 1E8, Canada;
| | - Irfan Khan
- College of Medicine and Health, University College Cork, T12 YN60 Cork, Ireland; (T.D.); (I.K.)
| | - Eugene Mech
- School of Medicine, University College Dublin, D04 C1P1 Dublin, Ireland;
| | - Mahrukh Khan
- Department of Pediatrics, Faculty of Health Sciences, McMaster University, Hamilton, ON L8S 4L8, Canada;
- Department of Medical Sciences, Faculty of Health Sciences, McMaster University, Hamilton, ON L8S 4L8, Canada
| | - Milan Bojadzija
- Department of Internal Medicine, Subotica General Hospital, 24000 Subotica, Serbia;
| | - Nikhil Pai
- Department of Pediatrics, Faculty of Health Sciences, McMaster University, Hamilton, ON L8S 4L8, Canada;
- Division of Gastroenterology, Hepatology and Nutrition, McMaster Children’s Hospital, Hamilton, ON L8S 4L8, Canada
- Department of Pediatrics, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA
- Division of Gastroenterology, Hepatology, and Nutrition, Children’s Hospital of Philadelphia, Philadelphia, PA 19104, USA
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10
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Wu P, Bie M, Zhou J, Wang J, Zhao L. Periodontal pathogen Fusobacterium nucleatum infection accelerates hepatic steatosis in high-fat diet-fed ApoE knockout mice by inhibiting Nrf2/Keap1 signaling. J Periodontal Res 2024. [PMID: 38795023 DOI: 10.1111/jre.13278] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2024] [Revised: 03/31/2024] [Accepted: 04/12/2024] [Indexed: 05/27/2024]
Abstract
AIMS This study sought to explore the impact of Fusobacterium nucleatum on hepatic steatosis in apolipoprotein E (ApoE) knockout (KO) mice induced by a high-fat diet (HFD) and elucidate the underlying mechanism. METHODS ApoE KO mice, on a HFD, received F. nucleatum oral inoculation every other day. After 24 weeks, body weight, liver weight, and liver index were assessed. Serum biochemistry and pro-inflammatory factors in serum and liver were analyzed. The histopathology of right maxilla and live were performed. Oil red O, immunohistochemistry, and immunofluorescence staining for the liver were conducted. Myeloperoxidase (MPO) activity, apoptosis, lipid reactive oxygen species (ROS), ROS, lipid peroxides, and hepatic lipids were also evaluated. Liver inflammation, fibrosis, de novo lipogenesis (DNL)-related molecule, and Nrf2/Keap1-related signaling molecule gene/protein expression were determined by real-time PCR (RT-PCR) and/or Western blot (WB) analysis. RESULTS HFD-fed ApoE KO mice infected by F. nucleatum demonstrated significant changes, including increased body and liver weight, elevated proinflammatory factors and lipids in serum and liver, as well as neutrophil infiltration, fibrosis, apoptosis, oxidative stress, and lipid peroxidation in the liver. Additionally, F. nucleatum stimulates hepatic lipid accumulation and activates de novo lipogenesis (DNL), while simultaneously suppressing the Nrf2/Keap1 antioxidant pathway. CONCLUSION In conclusion, our study reveals that oral inoculation of F. nucleatum might promote hepatic steatosis by inhibiting Nrf2/Keap1 pathway.
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Affiliation(s)
- Peiyao Wu
- State Key Laboratory of Oral Diseases & National Center for Stomatology & National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
- Department of Periodontics, West China School & Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Mengyao Bie
- State Key Laboratory of Oral Diseases & National Center for Stomatology & National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
- Department of Periodontics, West China School & Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Jieyu Zhou
- State Key Laboratory of Oral Diseases & National Center for Stomatology & National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
- Department of Periodontics, West China School & Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Jun Wang
- State Key Laboratory of Oral Diseases & National Center for Stomatology & National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
- Department of Periodontics, West China School & Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Lei Zhao
- State Key Laboratory of Oral Diseases & National Center for Stomatology & National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
- Department of Periodontics, West China School & Hospital of Stomatology, Sichuan University, Chengdu, China
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11
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Ming Z, Ruishi X, Linyi X, Yonggang Y, Haoming L, Xintian L. The gut-liver axis in fatty liver disease: role played by natural products. Front Pharmacol 2024; 15:1365294. [PMID: 38686320 PMCID: PMC11056694 DOI: 10.3389/fphar.2024.1365294] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2024] [Accepted: 02/01/2024] [Indexed: 05/02/2024] Open
Abstract
Fatty liver disease, a condition characterized by fatty degeneration of the liver, mainly classified as non-alcoholic fatty liver disease (NAFLD) and alcoholic liver disease (ALD), has become a leading cause of cirrhosis, liver cancer and death. The gut-liver axis is the bidirectional relationship between the gut and its microbiota and its liver. The liver can communicate with the gut through the bile ducts, while the portal vein transports the products of the gut flora to the liver. The intestinal flora and its metabolites directly and indirectly regulate hepatic gene expression, leading to an imbalance in the gut-liver axis and thus contributing to the development of liver disease. Utilizing natural products for the prevention and treatment of various metabolic diseases is a prevalent practice, and it is anticipated to represent the forthcoming trend in the development of drugs for combating NAFLD/ALD. This paper discusses the mechanism of the enterohepatic axis in fatty liver, summarizes the important role of plant metabolites in natural products in fatty liver treatment by regulating the enterohepatic axis, and provides a theoretical basis for the subsequent development of new drugs and clinical research.
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Affiliation(s)
- Zhu Ming
- Changchun University of Chinese Medicine, Changchun, China
- School of Pharmacy, Changchun University of Chinese Medicine, Changchun, China
| | - Xie Ruishi
- Changchun University of Chinese Medicine, Changchun, China
- School of Pharmacy, Changchun University of Chinese Medicine, Changchun, China
| | - Xu Linyi
- Changchun University of Chinese Medicine, Changchun, China
- School of Pharmacy, Changchun University of Chinese Medicine, Changchun, China
| | | | - Luo Haoming
- Changchun University of Chinese Medicine, Changchun, China
- School of Pharmacy, Changchun University of Chinese Medicine, Changchun, China
| | - Lan Xintian
- Changchun University of Chinese Medicine, Changchun, China
- School of Pharmacy, Changchun University of Chinese Medicine, Changchun, China
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12
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Wen Y, Zhang T, Zhang B, Wang F, Wei X, Wei Y, Ma X, Tang X. Comprehensive bibliometric and visualized analysis of research on gut-liver axis published from 1998 to 2022. Heliyon 2024; 10:e27819. [PMID: 38496853 PMCID: PMC10944270 DOI: 10.1016/j.heliyon.2024.e27819] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2023] [Revised: 02/13/2024] [Accepted: 03/07/2024] [Indexed: 03/19/2024] Open
Abstract
Background The concept of the gut-liver axis was proposed by Marshall in 1998, and since then, this hypothesis has been gradually accepted by the academic community. Many publications have been published on the gut-liver axis, making it important to assess the scientific implications of these studies and the trends in this field. Methods Publications were retrieved from the Web of Science Core Collection. Microsoft Excel, CiteSpace, VOSviewer, and Scimago Graphica software were used for bibliometric analysis. Results A total of 776 publications from the Web of Science core database were included in this study. In the past 25 years, the number of publications on the gut-liver axis has shown an upward trend, particularly in the past 3 years (2020-2022). China had the highest number of publications (267 articles, 34.4%). However, the United States was at the top regarding influence and international cooperation in this field. The University of California San Diego had contributed the most publications. Suk, Ki Tae and Schnabl, Bernd were tied for the first rank in most publications. Thematic hotspots and frontiers were focused on gut microbiota, microbial metabolite, intestinal permeability, bacterial translocation, bile acid, non-alcoholic steatohepatitis, and alcoholic liver disease. Conclusion Our study is the first bibliometric analysis of literature using visualization software to present the current research status of the gut-liver axis over the past 25 years. The damage and repair of intestinal barrier function, as well as the disruption of gut microbiota and host metabolism, should be a focus of attention. This study can provide a reference for later researchers to understand the global research trends, hotspots, and frontiers in this field.
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Affiliation(s)
- Yongtian Wen
- Institute of Digestive Diseases, Xiyuan Hospital of China Academy of Chinese Medical Sciences, Beijing, China
- Department of Gastroenterology, Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, China
| | - Tai Zhang
- Institute of Digestive Diseases, Xiyuan Hospital of China Academy of Chinese Medical Sciences, Beijing, China
- Department of Gastroenterology, Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, China
| | - Beihua Zhang
- Institute of Digestive Diseases, Xiyuan Hospital of China Academy of Chinese Medical Sciences, Beijing, China
- Department of Gastroenterology, Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, China
| | - Fengyun Wang
- Institute of Digestive Diseases, Xiyuan Hospital of China Academy of Chinese Medical Sciences, Beijing, China
- Department of Gastroenterology, Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, China
| | - Xiuxiu Wei
- Institute of Digestive Diseases, Xiyuan Hospital of China Academy of Chinese Medical Sciences, Beijing, China
- Department of Gastroenterology, Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, China
| | - Yuchen Wei
- Institute of Digestive Diseases, Xiyuan Hospital of China Academy of Chinese Medical Sciences, Beijing, China
- Department of Gastroenterology, Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, China
| | - Xiangxue Ma
- Institute of Digestive Diseases, Xiyuan Hospital of China Academy of Chinese Medical Sciences, Beijing, China
- Department of Gastroenterology, Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, China
| | - Xudong Tang
- Institute of Digestive Diseases, Xiyuan Hospital of China Academy of Chinese Medical Sciences, Beijing, China
- Department of Gastroenterology, Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, China
- China Academy of Chinese Medical Sciences, Beijing, China
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13
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He QJ, Li YF, Zhao LT, Lin CT, Yu CY, Wang D. Recent advances in age-related metabolic dysfunction-associated steatotic liver disease. World J Gastroenterol 2024; 30:652-662. [PMID: 38515956 PMCID: PMC10950625 DOI: 10.3748/wjg.v30.i7.652] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/12/2023] [Revised: 12/30/2023] [Accepted: 01/22/2024] [Indexed: 02/21/2024] Open
Abstract
Metabolic dysfunction-associated steatotic liver disease (MASLD) affects approximately 25% of the world's population and has become a leading cause of chronic liver disease. In recent years, an increasing amount of data suggests that MASLD is associated with aging. As the population ages, age-related MASLD will become a major global health problem. Targeting an aging will become a new approach to the treatment of MASLD. This paper reviews the current studies on the role of aging-related factors and therapeutic targets in MASLD, including: Oxidative stress, autophagy, mitochondrial homeostasis, bile acid metabolism homeostasis, and dysbiosis. The aim is to identify effective therapeutic targets for age-related MASLD and its progression.
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Affiliation(s)
- Qian-Jun He
- College of Basic Medicine, Beihua University, Jilin 132013, Jilin Province, China
| | - Yi-Fei Li
- Department of Traumatic Surgery, Jilin Central Hospital, Jilin 132001, Jilin Province, China
| | - Ling-Tong Zhao
- College of Basic Medicine, Beihua University, Jilin 132013, Jilin Province, China
| | - Chun-Tong Lin
- College of Basic Medicine, Beihua University, Jilin 132013, Jilin Province, China
| | - Chun-Yan Yu
- College of Basic Medicine, Beihua University, Jilin 132013, Jilin Province, China
| | - Dan Wang
- College of Basic Medicine, Beihua University, Jilin 132013, Jilin Province, China
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14
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Yan B, Sun Y, Fu K, Zhang Y, Lei L, Men J, Guo Y, Wu S, Han J, Zhou B. Effects of glyphosate exposure on gut-liver axis: Metabolomic and mechanistic analysis in grass carp (Ctenopharyngodon idellus). THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 902:166062. [PMID: 37544446 DOI: 10.1016/j.scitotenv.2023.166062] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/24/2023] [Revised: 07/31/2023] [Accepted: 08/03/2023] [Indexed: 08/08/2023]
Abstract
Glyphosate, one of the most widely used herbicide worldwide, is potentially harmful to non-target aquatic organisms. However, the environmental health risks regarding impacts on metabolism homeostasis and underlying mechanisms remain unclear. Here we investigated bioaccumulation, metabolism disorders and mechanisms in grass carp after exposure to glyphosate. Higher accumulation of glyphosate and its major metabolite, aminomethylphosphonic acid, in the gut was detected. Intestinal inflammation, barrier damage and hepatic steatosis were caused by glyphosate exposure. Lipid metabolism disorder was confirmed by the decreased triglyceride, increased total cholesterol and lipoproteins in serum and decreased visceral fat. Metabolomics analysis found that glyphosate exposure significantly inhibited bile acids biosynthesis in liver with decreased total bile acids content, which was further supported by significant downregulations of cyp27a1, cyp8b1 and fxr. Moreover, the dysbiosis of gut microbiota contributed to the inflammation in liver and gut by increasing lipopolysaccharide, as well as to the declined bile acids circulation by reducing secondary bile acids. These results indicated that exposure to environmental levels of glyphosate generated higher bioaccumulation in gut, where evoked enterohepatic injury, intestinal microbiota dysbiosis and disturbed homeostasis of bile acids metabolism; then the functional dysregulation of the gut-liver axis possibly resulted in ultimate lipid metabolism disorder. These findings highlight the metabolism health risks of glyphosate exposure to fish in aquatic environment.
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Affiliation(s)
- Biao Yan
- State Key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, Chinese Academic of Sciences, Wuhan 430072, PR China; University of Chinese Academy of Sciences, Beijing 100049, PR China; Xianning Engineering Research Center for Healthy Environment, Xianning Medical College, Hubei University of Science and Technology, Xianning 437100, PR China
| | - Yumiao Sun
- State Key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, Chinese Academic of Sciences, Wuhan 430072, PR China; University of Chinese Academy of Sciences, Beijing 100049, PR China
| | - Kaiyu Fu
- State Key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, Chinese Academic of Sciences, Wuhan 430072, PR China; University of Chinese Academy of Sciences, Beijing 100049, PR China
| | - Yindan Zhang
- State Key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, Chinese Academic of Sciences, Wuhan 430072, PR China; University of Chinese Academy of Sciences, Beijing 100049, PR China
| | - Lei Lei
- State Key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, Chinese Academic of Sciences, Wuhan 430072, PR China; University of Chinese Academy of Sciences, Beijing 100049, PR China
| | - Jun Men
- The Analysis and Testing Center of Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan 430072, PR China
| | - Yongyong Guo
- State Key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, Chinese Academic of Sciences, Wuhan 430072, PR China
| | - Shengmin Wu
- Nanjing Institute of Environmental Sciences, Ministry of Ecology and Environment, Nanjing 210042, PR China.
| | - Jian Han
- State Key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, Chinese Academic of Sciences, Wuhan 430072, PR China.
| | - Bingsheng Zhou
- State Key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, Chinese Academic of Sciences, Wuhan 430072, PR China
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15
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Zhou T, Ismail A, Francis H. Bile Acids in Autoimmune Liver Disease: Unveiling the Nexus of Inflammation, Inflammatory Cells, and Treatment Strategies. Cells 2023; 12:2725. [PMID: 38067153 PMCID: PMC10705880 DOI: 10.3390/cells12232725] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2023] [Revised: 11/03/2023] [Accepted: 11/21/2023] [Indexed: 12/18/2023] Open
Abstract
As bile acids not solely play an essential role in nutrition absorption, but also in regulating metabolic functions as well as immune response, bile acids and their signaling pathways are increasingly acknowledged as potential therapeutic targets in the context of chronic liver diseases. Bile acid receptors such as G protein bile acid-activated receptor 1 and farnesoid X receptor are expressed in different immune cells engaged in innate immunity. Recently, a series of studies have revealed distinct functions of bile acids and bile acid receptors within the adaptive immune system. In addition, a variety of molecules targeting bile acid receptors and transporters are currently in advanced stages of clinical development. Autoimmune liver diseases including conditions like primary biliary cholangitis, primary sclerosing cholangitis, and autoimmune hepatitis can lead to chronic inflammation, fibrosis, and even cirrhosis and liver failure. In this review, we focus on the role of bile acids in the inflammatory aspects of autoimmune liver diseases.
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Affiliation(s)
- Tianhao Zhou
- Division of Gastroenterology and Hepatology, Department of Medicine, Indiana University School of Medicine, Indianapolis, IN 46202, USA;
| | - AbdiGhani Ismail
- Department of Medicine, Indiana University School of Medicine, Indianapolis, IN 46202, USA;
| | - Heather Francis
- Division of Gastroenterology and Hepatology, Department of Medicine, Indiana University School of Medicine, Indianapolis, IN 46202, USA;
- Department of Research, Richard L. Roudebush VA Medical Center, Indianapolis, IN 46202, USA
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16
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Kiriyama Y, Nochi H. The Role of Gut Microbiota-Derived Lithocholic Acid, Deoxycholic Acid and Their Derivatives on the Function and Differentiation of Immune Cells. Microorganisms 2023; 11:2730. [PMID: 38004742 PMCID: PMC10672800 DOI: 10.3390/microorganisms11112730] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2023] [Revised: 10/24/2023] [Accepted: 11/07/2023] [Indexed: 11/26/2023] Open
Abstract
A wide variety and large number of bacterial species live in the gut, forming the gut microbiota. Gut microbiota not only coexist harmoniously with their hosts, but they also induce significant effects on each other. The composition of the gut microbiota can be changed due to environmental factors such as diet and antibiotic intake. In contrast, alterations in the composition of the gut microbiota have been reported in a variety of diseases, including intestinal, allergic, and autoimmune diseases and cancer. The gut microbiota metabolize exogenous dietary components ingested from outside the body to produce short-chain fatty acids (SCFAs) and amino acid metabolites. Unlike SCFAs and amino acid metabolites, the source of bile acids (BAs) produced by the gut microbiota is endogenous BAs from the liver. The gut microbiota metabolize BAs to generate secondary bile acids, such as lithocholic acid (LCA), deoxycholic acid (DCA), and their derivatives, which have recently been shown to play important roles in immune cells. This review focuses on current knowledge of the role of LCA, DCA, and their derivatives on immune cells.
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Affiliation(s)
- Yoshimitsu Kiriyama
- Kagawa School of Pharmaceutical Sciences, Tokushima Bunri University, Sanuki 769-2193, Japan;
- Institute of Neuroscience, Tokushima Bunri University, Sanuki 769-2193, Japan
| | - Hiromi Nochi
- Kagawa School of Pharmaceutical Sciences, Tokushima Bunri University, Sanuki 769-2193, Japan;
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17
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Liu Y, Huang K, Zhang Y, Cao H, Guan X. Dietary polyphenols maintain homeostasis via regulating bile acid metabolism: a review of possible mechanisms. Food Funct 2023; 14:9486-9505. [PMID: 37815149 DOI: 10.1039/d3fo02471g] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/11/2023]
Abstract
The synthesis and metabolism of bile acids (BAs) have been implicated in various metabolic diseases, including obesity and diabetes. Dietary polyphenols, as natural antioxidants, play a vital role in synthesizing and metabolizing bile acids. This paper reviews the mechanism of dietary polyphenols involved in bile acid (BA) synthesis and metabolism. The impact of different gut microorganisms on BA profiles is discussed in detail. The regulation of BA metabolism by dietary polyphenols can be divided into two modes: (1) dietary polyphenols directly activate/inhibit farnesol X receptor (FXR) and Takeda G protein-coupled receptor (TGR5); (2) dietary polyphenols regulate BA synthesis and metabolism through changes in intestinal microorganisms. Research on direct activation/inhibition of FXR and TGR5 by polyphenols should be ramped up. In addition, the effect of dietary polyphenols on intestinal microorganisms has been paid more and more attention and has become a target that cannot be ignored.
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Affiliation(s)
- Yongyong Liu
- School of Health Science and Engineering, University of Shanghai for Science and Technology, Shanghai, PR China.
| | - Kai Huang
- School of Health Science and Engineering, University of Shanghai for Science and Technology, Shanghai, PR China.
- National Grain Industry (Urban Grain and Oil Security) Technology Innovation Center, Shanghai, PR China
| | - Yu Zhang
- School of Health Science and Engineering, University of Shanghai for Science and Technology, Shanghai, PR China.
- National Grain Industry (Urban Grain and Oil Security) Technology Innovation Center, Shanghai, PR China
| | - Hongwei Cao
- School of Health Science and Engineering, University of Shanghai for Science and Technology, Shanghai, PR China.
- National Grain Industry (Urban Grain and Oil Security) Technology Innovation Center, Shanghai, PR China
| | - Xiao Guan
- School of Health Science and Engineering, University of Shanghai for Science and Technology, Shanghai, PR China.
- National Grain Industry (Urban Grain and Oil Security) Technology Innovation Center, Shanghai, PR China
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18
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Lai C, Chen L, Zhong X, Tang Z, Zhang B, Luo Y, Li C, Jin M, Chen X, Li J, Shi Y, Sun Y, Guo L. Long-term effects on liver metabolism induced by ceftriaxone sodium pretreatment. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2023; 335:122238. [PMID: 37506808 DOI: 10.1016/j.envpol.2023.122238] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/16/2023] [Revised: 07/16/2023] [Accepted: 07/20/2023] [Indexed: 07/30/2023]
Abstract
Ceftriaxone is an emerging contaminant due to its potential harm, while its effects on liver are still need to be clarified. In this study, we first pretreated the 8-week-old C57BL/6J mice with high dose ceftriaxone sodium (Cef, 400 mg/mL, 0.2 mL per dose) for 8 days to prepare a gut dysbiosis model, then treated with normal feed for a two-month recovery period, and applied non-targeted metabolomics (including lipidomics) to investigate the variations of fecal and liver metabolome, and coupled with targeted determination of fecal short-chain fatty acids (SCFAs) and bile acids (BAs). Lastly, the correlations and mediation analysis between the liver metabolism and gut metabolism/microbes were carried, and the potential mechanisms of the mal-effects on gut-liver axis induced by Cef pretreatment were accordingly discussed. Compared to the control group, Cef pretreatment reduced the rate of weight gain and hepatosomatic index, induced bile duct epithelial cells proliferated around the central vein and appearance of binucleated hepatocytes, decreased the ratio of total branching chains amino acids (BCAAs) to total aromatic amino acids (AAAs) in liver metabolome. In fecal metabolome, the total fecal SCFAs and BAs did not change significantly while butyric acid decreased and the primary BAs increased after Cef pretreatment. Correlation and mediation analysis revealed one potential mechanism that Cef may first change the intestinal microbiota (such as destroying its normal structure, reducing its abundance and the stability of the microbial network or certain microbe abundance like Alistipes), and then change the intestinal metabolism (such as acetate, caproate, propionate), leading to liver metabolic disorder (such as spermidine, inosine, cinnamaldehyde). This study proved the possibility of Cef-induced liver damage, displayed the overall metabolic profile of the liver following Cef pretreatment and provided a theoretical framework for further research into the mechanism of Cef-induced liver damage.
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Affiliation(s)
- Chengze Lai
- The First Dongguan Affiliated Hospital, Guangdong Medical University, Dongguan, China; Dongguan Key Laboratory of Environmental Medicine, School of Public Health, Guangdong Medical University, Dongguan, China
| | - Linkang Chen
- Dongguan Key Laboratory of Environmental Medicine, School of Public Health, Guangdong Medical University, Dongguan, China
| | - Xiaoting Zhong
- Dongguan Key Laboratory of Environmental Medicine, School of Public Health, Guangdong Medical University, Dongguan, China
| | - Zeli Tang
- Department of Pathology, School of Basic Medical Sciences, Guangdong Medical University, Dongguan, China
| | - Bin Zhang
- Dongguan Key Laboratory of Environmental Medicine, School of Public Health, Guangdong Medical University, Dongguan, China
| | - Yu Luo
- Guangzhou Liwan District Center for Disease Control and Prevention, Guangzhou, Guangdong, China
| | - Chengji Li
- Yunfu Disease Control and Prevention Center, Guang Dong Province, China
| | - Mengcheng Jin
- Dongguan Key Laboratory of Environmental Medicine, School of Public Health, Guangdong Medical University, Dongguan, China
| | - Xu Chen
- Dongguan Key Laboratory of Environmental Medicine, School of Public Health, Guangdong Medical University, Dongguan, China
| | - Jinglin Li
- Dongguan Key Laboratory of Environmental Medicine, School of Public Health, Guangdong Medical University, Dongguan, China
| | - Yinying Shi
- Dongguan Key Laboratory of Environmental Medicine, School of Public Health, Guangdong Medical University, Dongguan, China
| | - Yanqin Sun
- Department of Pathology, School of Basic Medical Sciences, Guangdong Medical University, Dongguan, China
| | - Lianxian Guo
- The First Dongguan Affiliated Hospital, Guangdong Medical University, Dongguan, China; Dongguan Key Laboratory of Environmental Medicine, School of Public Health, Guangdong Medical University, Dongguan, China.
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Wu W, Kaicen W, Bian X, Yang L, Ding S, Li Y, Li S, Zhuge A, Li L. Akkermansia muciniphila alleviates high-fat-diet-related metabolic-associated fatty liver disease by modulating gut microbiota and bile acids. Microb Biotechnol 2023; 16:1924-1939. [PMID: 37377410 PMCID: PMC10527187 DOI: 10.1111/1751-7915.14293] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2022] [Revised: 05/28/2023] [Accepted: 05/31/2023] [Indexed: 06/29/2023] Open
Abstract
It has been reported that Akkermansia muciniphila improves host metabolism and reduces inflammation; however, its potential effects on bile acid metabolism and metabolic patterns in metabolic-associated fatty liver disease (MAFLD) are unknown. In this study, we have analysed C57BL/6 mice under three feeding conditions: (i) a low-fat diet group (LP), (ii) a high-fat diet group (HP) and (iii) a high-fat diet group supplemented with A. muciniphila (HA). The results found that A. muciniphila administration relieved weight gain, hepatic steatosis and liver injury induced by the high-fat diet. A. muciniphila altered the gut microbiota with a decrease in Alistipes, Lactobacilli, Tyzzerella, Butyricimonas and Blautia, and an enrichment of Ruminiclostridium, Osclibacter, Allobaculum, Anaeroplasma and Rikenella. The gut microbiota changes correlated significantly with bile acids. Meanwhile, A. muciniphila also improved glucose tolerance, gut barriers and adipokines dysbiosis. Akkermansia muciniphila regulated the intestinal FXR-FGF15 axis and reshaped the construction of bile acids, with reduced secondary bile acids in the caecum and liver, including DCA and LCA. These findings provide new insights into the relationships between probiotics, microflora and metabolic disorders, highlighting the potential role of A. muciniphila in the management of MAFLD.
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Affiliation(s)
- Wenrui Wu
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, National Medical Center for Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, The First Affiliated HospitalZhejiang University School of MedicineHangzhouZhejiangChina
| | - Wang Kaicen
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, National Medical Center for Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, The First Affiliated HospitalZhejiang University School of MedicineHangzhouZhejiangChina
| | - Xiaoyuan Bian
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, National Medical Center for Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, The First Affiliated HospitalZhejiang University School of MedicineHangzhouZhejiangChina
| | - Liya Yang
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, National Medical Center for Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, The First Affiliated HospitalZhejiang University School of MedicineHangzhouZhejiangChina
| | - Shi Ding
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, National Medical Center for Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, The First Affiliated HospitalZhejiang University School of MedicineHangzhouZhejiangChina
| | - Yating Li
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, National Medical Center for Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, The First Affiliated HospitalZhejiang University School of MedicineHangzhouZhejiangChina
| | - Shengjie Li
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, National Medical Center for Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, The First Affiliated HospitalZhejiang University School of MedicineHangzhouZhejiangChina
| | - Aoxiang Zhuge
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, National Medical Center for Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, The First Affiliated HospitalZhejiang University School of MedicineHangzhouZhejiangChina
| | - Lanjuan Li
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, National Medical Center for Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, The First Affiliated HospitalZhejiang University School of MedicineHangzhouZhejiangChina
- Jinan Microecological Biomedicine Shandong LaboratoryJinanShandongChina
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20
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Lai J, Luo L, Zhou T, Feng X, Ye J, Zhong B. Alterations in Circulating Bile Acids in Metabolic Dysfunction-Associated Steatotic Liver Disease: A Systematic Review and Meta-Analysis. Biomolecules 2023; 13:1356. [PMID: 37759756 PMCID: PMC10526305 DOI: 10.3390/biom13091356] [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: 08/09/2023] [Revised: 08/25/2023] [Accepted: 08/28/2023] [Indexed: 09/29/2023] Open
Abstract
Background: Previous studies have suggested that bile acids (BAs) may participate in the development and/or progression of metabolic dysfunction-associated steatotic liver disease (MASLD). The present study aimed to define whether specific BA molecular species are selectively associated with MASLD development, disease severity, or geographic region. Methods: We comprehensively identified all eligible studies reporting circulating BAs in both MASLD patients and healthy controls through 30 July 2023. The pooled results were expressed as the standard mean difference (SMD) and 95% confidence interval (CI). Subgroup, sensitivity, and meta-regression analyses were performed to address heterogeneity. Results: Nineteen studies with 154,807 individuals were included. Meta-analysis results showed that total BA levels in MASLD patients were higher than those in healthy controls (SMD = 1.03, 95% CI: 0.63-1.42). When total BAs were divided into unconjugated and conjugated BAs or primary and secondary BAs, the pooled results were consistent with the overall estimates except for secondary BAs. Furthermore, we examined each individual BA and found that 9 of the 15 BAs were increased in MASLD patients, especially ursodeoxycholic acids (UDCA), taurococholic acid (TCA), chenodeoxycholic acids (CDCA), taurochenodeoxycholic acids (TCDCA), and glycocholic acids (GCA). Subgroup analysis revealed that different geographic regions or disease severities led to diverse BA profiles. Notably, TCA, taurodeoxycholic acid (TDCA), taurolithocholic acids (TLCA), and glycolithocholic acids (GLCA) showed a potential ability to differentiate metabolic dysfunction-associated steatohepatitis (MASH) (all p < 0.05). Conclusions: An altered profile of circulating BAs was shown in MASLD patients, providing potential targets for the diagnosis and treatment of MASLD.
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Affiliation(s)
| | | | | | | | - Junzhao Ye
- Department of Gastroenterology of the First Affiliated Hospital, Sun Yat-sen University, No. 58 Zhongshan II Road, Yuexiu District, Guangzhou 510080, China; (J.L.); (L.L.); (T.Z.); (X.F.)
| | - Bihui Zhong
- Department of Gastroenterology of the First Affiliated Hospital, Sun Yat-sen University, No. 58 Zhongshan II Road, Yuexiu District, Guangzhou 510080, China; (J.L.); (L.L.); (T.Z.); (X.F.)
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21
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Sheng X, Wang L, Zhan P, He W, Tian H, Liu J. Thyme ( Thymus quinquecostatus Celak) Polyphenol-Rich Extract (TPE) Alleviates HFD-Induced Liver Injury in Mice by Inactivating the TLR4/NF-κB Signaling Pathway through the Gut-Liver Axis. Foods 2023; 12:3074. [PMID: 37628072 PMCID: PMC10453248 DOI: 10.3390/foods12163074] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2023] [Revised: 08/05/2023] [Accepted: 08/12/2023] [Indexed: 08/27/2023] Open
Abstract
Non-alcoholic fatty liver disease (NAFLD) represents a significant and urgent global health concern. Thyme (Thymus quinquecostatus Celak) is a plant commonly used in cuisine and traditional medicine in Asian countries and possesses potential liver-protective properties. This study aimed to assess the hepatoprotective effects of thyme polyphenol-rich extract (TPE) on high-fat diet (HFD)-induced NAFLD and further explore possible mechanisms based on the gut-liver axis. HFD-induced liver injury in C57 mice is markedly ameliorated by TPE supplementation in a dose-dependent manner. TPE also regulates the expression of liver lipid metabolic genes (i.e., Hmgcr, Srebp-1, Fasn, and Cyp7a1), enhancing the production of SCFAs and regulating serum metabolites by modulating gut microbial dysbiosis. Furthermore, TPE enhances the intestinal barrier function and alleviates intestinal inflammation by upregulating tight junction protein expression (i.e., ZO-1 and occluding) and inactivating the intestinal TLR4/NF-κB pathway in HFD-fed mice. Consequently, gut-derived LPS translocation to the circulation was blocked, the liver TLR4/NF-κB signaling pathway was repressed, and subsequent pro-inflammatory cytokine production was restrained. Conclusively, TPE might exert anti-NAFLD effects through the gut-liver axis and has the potential to be used as a dietary supplement for the management of NAFLD.
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Affiliation(s)
- Xialu Sheng
- College of Food Engineering and Nutritional Science, Shaanxi Normal University, Xi’an 710119, China; (X.S.); (P.Z.); (H.T.)
| | - Lixia Wang
- College of Life Sciences and Food Engineering, Shaanxi Xueqian Normal University, Xi’an 710061, China;
| | - Ping Zhan
- College of Food Engineering and Nutritional Science, Shaanxi Normal University, Xi’an 710119, China; (X.S.); (P.Z.); (H.T.)
| | - Wanying He
- College of Food Engineering and Nutritional Science, Shaanxi Normal University, Xi’an 710119, China; (X.S.); (P.Z.); (H.T.)
| | - Honglei Tian
- College of Food Engineering and Nutritional Science, Shaanxi Normal University, Xi’an 710119, China; (X.S.); (P.Z.); (H.T.)
| | - Jianshu Liu
- Shaanxi Provincial Research Center of Functional Food Engineering Technology, Xi’an 710100, China;
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22
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Kim YC, Qi M, Dong X, Seok S, Sun H, Kemper B, Fu T, Kemper JK. Transgenic mice lacking FGF15/19-SHP phosphorylation display altered bile acids and gut bacteria, promoting nonalcoholic fatty liver disease. J Biol Chem 2023; 299:104946. [PMID: 37348559 PMCID: PMC10359637 DOI: 10.1016/j.jbc.2023.104946] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2023] [Revised: 05/31/2023] [Accepted: 06/13/2023] [Indexed: 06/24/2023] Open
Abstract
Dysregulated bile acid (BA)/lipid metabolism and gut bacteria dysbiosis are tightly associated with the development of obesity and non-alcoholic fatty liver disease (NAFLD). The orphan nuclear receptor, Small Heterodimer Partner (SHP/NR0B2), is a key regulator of BA/lipid metabolism, and its gene-regulating function is markedly enhanced by phosphorylation at Thr-58 mediated by a gut hormone, fibroblast growth factor-15/19 (FGF15/19). To investigate the role of this phosphorylation in whole-body energy metabolism, we generated transgenic SHP-T58A knock-in mice. Compared with wild-type (WT) mice, the phosphorylation-defective SHP-T58A mice gained weight more rapidly with decreased energy expenditure and increased lipid/BA levels. This obesity-prone phenotype was associated with the upregulation of lipid/BA synthesis genes and downregulation of lipophagy/β-oxidation genes. Mechanistically, defective SHP phosphorylation selectively impaired its interaction with LRH-1, resulting in de-repression of SHP/LRH-1 target BA/lipid synthesis genes. Remarkably, BA composition and selective gut bacteria which are known to impact obesity, were also altered in these mice. Upon feeding a high-fat diet, fatty liver developed more severely in SHP-T58A mice compared to WT mice. Treatment with antibiotics substantially improved the fatty liver phenotypes in both groups but had greater effects in the T58A mice so that the difference between the groups was largely eliminated. These results demonstrate that defective phosphorylation at a single nuclear receptor residue can impact whole-body energy metabolism by altering BA/lipid metabolism and gut bacteria, promoting complex metabolic disorders like NAFLD. Since posttranslational modifications generally act in gene- and context-specific manners, the FGF15/19-SHP phosphorylation axis may allow more targeted therapy for NAFLD.
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Affiliation(s)
- Young-Chae Kim
- Department of Molecular and Integrative Physiology, University of Illinois at Urbana-Champaign, Urbana, Illinois, USA
| | - Ming Qi
- Pharmaceutical Sciences Division, School of Pharmacy, University of Wisconsin Carbone Cancer Center (UWCCC), University of Wisconsin-Madison, Madison, Wisconsin, USA
| | - Xingchen Dong
- Pharmaceutical Sciences Division, School of Pharmacy, University of Wisconsin Carbone Cancer Center (UWCCC), University of Wisconsin-Madison, Madison, Wisconsin, USA
| | - Sunmi Seok
- Department of Molecular and Integrative Physiology, University of Illinois at Urbana-Champaign, Urbana, Illinois, USA
| | - Hao Sun
- Department of Molecular and Integrative Physiology, University of Illinois at Urbana-Champaign, Urbana, Illinois, USA
| | - Byron Kemper
- Department of Molecular and Integrative Physiology, University of Illinois at Urbana-Champaign, Urbana, Illinois, USA
| | - Ting Fu
- Pharmaceutical Sciences Division, School of Pharmacy, University of Wisconsin Carbone Cancer Center (UWCCC), University of Wisconsin-Madison, Madison, Wisconsin, USA.
| | - Jongsook Kim Kemper
- Department of Molecular and Integrative Physiology, University of Illinois at Urbana-Champaign, Urbana, Illinois, USA.
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Liu X, Wang J, Li M, Qiu J, Li X, Qi L, Liu J, Liu P, Xie G, Wang X. Farnesoid X receptor is an important target for the treatment of disorders of bile acid and fatty acid metabolism in mice with nonalcoholic fatty liver disease combined with cholestasis. J Gastroenterol Hepatol 2023; 38:1438-1446. [PMID: 37415275 DOI: 10.1111/jgh.16279] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/08/2023] [Revised: 06/07/2023] [Accepted: 06/20/2023] [Indexed: 07/08/2023]
Abstract
BACKGROUND AND AIM The prevalence of nonalcoholic fatty liver disease (NAFLD) has been rising globally. NAFLD patients combined with cholestasis have more obvious liver fibrosis, impaired bile acid (BA), and fatty acid (FA) metabolism and severer liver injury; however, its therapeutic options are limited, and the underlying metabolic mechanisms are understood. Here, we aimed to investigate the effects of farnesoid X receptor (FXR) on BA and FA metabolism in NAFLD combined with cholestasis and related signaling pathways. METHODS A mouse model of NAFLD combined with cholestasis was established by joint intervention with high-fat diet (HFD) and alpha-naphthylisothiocyanate. The effects of FXR on BA and FA metabolism were evaluated by serum biochemical analysis. Liver damage was identified by histopathology. The expression of nuclear hormone receptor, membrane receptor, FA transmembrane transporter, and BA transporter protein in mice were measured by western blot. RESULTS NAFLD mice combined with cholestasis developed more severe cholestasis and dysregulated BA and FA metabolism. Meanwhile, the expression of FXR protein was decreased in NAFLD mice combined with cholestasis compared to the controls. Fxr-/- mice showed liver injury. HFD aggravated the liver injury with decreased BSEP expression, increased expression of NTCP, LXRα, SREBP-1c, FAS, ACC1, and CD36, and significantly increased BA and FA accumulation. CONCLUSION All the results suggested that FXR plays a key role in both FA and BA metabolism in NAFLD combined with cholestasis and thus may be a potential target for the treatment of disorders of BA and FA metabolism in NAFLD combined with cholestasis.
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Affiliation(s)
- Xinzhu Liu
- Basic Research Center of Traditional Chinese Medicine Prescription and Syndrome, Institute of Interdisciplinary Science, Shanghai University of Traditional Chinese Medicine, Shanghai, 201203, China
- Institute of Liver Disease, Shuguang Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, 201203, China
| | - Jiaxuan Wang
- Basic Research Center of Traditional Chinese Medicine Prescription and Syndrome, Institute of Interdisciplinary Science, Shanghai University of Traditional Chinese Medicine, Shanghai, 201203, China
| | - Maogang Li
- Human Metabolomics Institute, Inc., Shenzhen, 518109, Guangdong, China
| | - Jiannan Qiu
- Basic Research Center of Traditional Chinese Medicine Prescription and Syndrome, Institute of Interdisciplinary Science, Shanghai University of Traditional Chinese Medicine, Shanghai, 201203, China
| | - Xingying Li
- South China Normal University, Guangzhou, 510631, Guangdong, China
| | - Li Qi
- Basic Research Center of Traditional Chinese Medicine Prescription and Syndrome, Institute of Interdisciplinary Science, Shanghai University of Traditional Chinese Medicine, Shanghai, 201203, China
| | - Jia Liu
- Basic Research Center of Traditional Chinese Medicine Prescription and Syndrome, Institute of Interdisciplinary Science, Shanghai University of Traditional Chinese Medicine, Shanghai, 201203, China
| | - Ping Liu
- Basic Research Center of Traditional Chinese Medicine Prescription and Syndrome, Institute of Interdisciplinary Science, Shanghai University of Traditional Chinese Medicine, Shanghai, 201203, China
- Institute of Liver Disease, Shuguang Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, 201203, China
| | - Guoxiang Xie
- Human Metabolomics Institute, Inc., Shenzhen, 518109, Guangdong, China
- Faculty of Food Science and Engineering, Kunming University of Science and Technology, Kunming, 650500, China
| | - Xiaoning Wang
- Basic Research Center of Traditional Chinese Medicine Prescription and Syndrome, Institute of Interdisciplinary Science, Shanghai University of Traditional Chinese Medicine, Shanghai, 201203, China
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Zeng J, Fan J, Zhou H. Bile acid-mediated signaling in cholestatic liver diseases. Cell Biosci 2023; 13:77. [PMID: 37120573 PMCID: PMC10149012 DOI: 10.1186/s13578-023-01035-1] [Citation(s) in RCA: 14] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2023] [Accepted: 04/18/2023] [Indexed: 05/01/2023] Open
Abstract
Chronic cholestatic liver diseases, such as primary biliary cholangitis (PBC) and primary sclerosing cholangitis (PSC), are associated with bile stasis and gradually progress to fibrosis, cirrhosis, and liver failure, which requires liver transplantation. Although ursodeoxycholic acid is effective in slowing the disease progression of PBC, it has limited efficacy in PSC patients. It is challenging to develop effective therapeutic agents due to the limited understanding of disease pathogenesis. During the last decade, numerous studies have demonstrated that disruption of bile acid (BA) metabolism and intrahepatic circulation promotes the progression of cholestatic liver diseases. BAs not only play an essential role in nutrition absorption as detergents but also play an important role in regulating hepatic metabolism and modulating immune responses as key signaling molecules. Several excellent papers have recently reviewed the role of BAs in metabolic liver diseases. This review focuses on BA-mediated signaling in cholestatic liver disease.
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Affiliation(s)
- Jing Zeng
- Department of Microbiology and Immunology, Medical College of Virginia and Richmond VA Medical Center, Central Virginia Veterans Healthcare System, Virginia Commonwealth University, 1220 East Broad Street, MMRB-5044, Richmond, VA, 23298-0678, USA
- Department of Gastroenterology, Xinhua Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200092, China
| | - Jiangao Fan
- Department of Gastroenterology, Xinhua Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200092, China
| | - Huiping Zhou
- Department of Microbiology and Immunology, Medical College of Virginia and Richmond VA Medical Center, Central Virginia Veterans Healthcare System, Virginia Commonwealth University, 1220 East Broad Street, MMRB-5044, Richmond, VA, 23298-0678, USA.
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25
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Wu J, Jia S, Xu B, Yao X, Shao J, Yao J, Cen D, Yao X. Bicyclol attenuates high fat diet-induced non-alcoholic fatty liver disease/non-alcoholic steatohepatitis through modulating multiple pathways in mice. Front Pharmacol 2023; 14:1157200. [PMID: 37007016 PMCID: PMC10063911 DOI: 10.3389/fphar.2023.1157200] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2023] [Accepted: 03/08/2023] [Indexed: 03/19/2023] Open
Abstract
Introduction: The pathological progression of non-alcoholic fatty liver disease (NAFLD) is driven by multiple factors, and non-alcoholic steatohepatitis (NASH) represents its progressive form. In our previous studies, we found that bicyclol had beneficial effects on NAFLD/ NASH. Here we aim to investigate the underlying molecular mechanisms of the bicyclol effect on NAFLD/NASH induced by high-fat diet (HFD) feeding.Methods: A mice model of NAFLD/NASH induced by HFD-feeding for 8 weeks was used. As a pretreatment, bicyclol (200 mg/kg) was given to mice by oral gavage twice daily. Hematoxylin and eosin (H&E) stains were processed to evaluate hepatic steatosis, and hepatic fibrous hyperplasia was assessed by Masson staining. Biochemistry analyses were used to measure serum aminotransferase, serum lipids, and lipids in liver tissues. Proteomics and bioinformatics analyses were performed to identify the signaling pathways and target proteins. Data are available via Proteome X change with identifier PXD040233. The real-time RT-PCR and Western blot analyses were performed to verify the proteomics data.Results: Bicyclol had a markedly protective effect against NAFLD/NASH by suppressing the increase of serum aminotransferase, hepatic lipid accumulation and alleviating histopathological changes in liver tissues. Proteomics analyses showed that bicyclol remarkably restored major pathways related to immunological responses and metabolic processes altered by HFD feeding. Consistent with our previous results, bicyclol significantly inhibited inflammation and oxidative stress pathway related indexes (SAA1, GSTM1 and GSTA1). Furthermore, the beneficial effects of bicyclol were closely associated with the signaling pathways of bile acid metabolism (NPC1, SLCOLA4 and UGT1A1), cytochrome P450-mediated metabolism (CYP2C54, CYP3A11 and CYP3A25), biological processes such as metal ion metabolism (Ceruloplasmin and Metallothionein-1), angiogenesis (ALDH1A1) and immunological responses (IFI204 and IFIT3).Discussion: These findings suggested that bicyclol is a potential preventive agent for NAFLD/NASH by targeting multiple mechanisms in future clinical investigations.
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Affiliation(s)
- Jingyi Wu
- Faculty of Pharmacy, Zhejiang Pharmaceutical University, Ningbo, China
| | - Shu Jia
- Faculty of Pharmacy, Zhejiang Pharmaceutical University, Ningbo, China
| | - Benghong Xu
- Shenzhen Key Laboratory of Modern Toxicology, Shenzhen Medical Key Discipline of Health Toxicology, Shenzhen Center for Disease Control and Prevention, Shengzhen, Guangdong, China
| | - Xiaokun Yao
- Faculty of Pharmacy, Zhejiang Pharmaceutical University, Ningbo, China
| | - Jingping Shao
- Faculty of Pharmacy, Zhejiang Pharmaceutical University, Ningbo, China
| | - Jianzuo Yao
- Department of Hepatobiliary and Pancreatic Surgery, Li Huili Hospital Affiliated to Ningbo University, Ningbo, China
| | - Danwei Cen
- Faculty of Pharmacy, Zhejiang Pharmaceutical University, Ningbo, China
| | - Xiaomin Yao
- Faculty of Pharmacy, Zhejiang Pharmaceutical University, Ningbo, China
- *Correspondence: Xiaomin Yao,
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Small Intestinal Bacterial Overgrowth and Non-Alcoholic Fatty Liver Disease: What Do We Know in 2023? Nutrients 2023; 15:nu15061323. [PMID: 36986052 PMCID: PMC10052062 DOI: 10.3390/nu15061323] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2023] [Revised: 02/27/2023] [Accepted: 03/03/2023] [Indexed: 03/11/2023] Open
Abstract
Non-alcoholic fatty liver disease (NAFLD) is a chronic liver disease associated with the pathological accumulation of lipids inside hepatocytes. Untreated NAFL can progress to non-alcoholic hepatitis (NASH), followed by fibrosis, cirrhosis, and hepatocellular carcinoma (HCC). The common denominator of the above-mentioned metabolic disorders seems to be insulin resistance, which occurs in NAFLD patients. Obesity is the greatest risk factor for lipid accumulation inside hepatocytes, but a part of the NAFLD patient population has a normal body weight according to the BMI index. Obese people with or without NAFLD have a higher incidence of small intestinal bacterial overgrowth (SIBO), and those suffering from NAFLD show increased intestinal permeability, including a more frequent presence of bacterial overgrowth in the small intestine (SIBO). The health consequences of SIBO are primarily malabsorption disorders (vitamin B12, iron, choline, fats, carbohydrates and proteins) and bile salt deconjugation. Undetected and untreated SIBO may lead to nutrient and/or energy malnutrition, thus directly impairing liver function (e.g., folic acid and choline deficiency). However, whether SIBO contributes to liver dysfunction, decreased intestinal barrier integrity, increased inflammation, endotoxemia and bacterial translocation is not yet clear. In this review, we focus on gut–liver axis and discuss critical points, novel insights and the role of nutrition, lifestyle, pre- and probiotics, medication and supplements in the therapy and prevention of both SIBO and NAFLD.
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Aseem SO, Hylemon PB, Zhou H. Bile Acids and Biliary Fibrosis. Cells 2023; 12:cells12050792. [PMID: 36899928 PMCID: PMC10001305 DOI: 10.3390/cells12050792] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2023] [Revised: 02/22/2023] [Accepted: 02/24/2023] [Indexed: 03/06/2023] Open
Abstract
Biliary fibrosis is the driving pathological process in cholangiopathies such as primary biliary cholangitis (PBC) and primary sclerosing cholangitis (PSC). Cholangiopathies are also associated with cholestasis, which is the retention of biliary components, including bile acids, in the liver and blood. Cholestasis may worsen with biliary fibrosis. Furthermore, bile acid levels, composition and homeostasis are dysregulated in PBC and PSC. In fact, mounting data from animal models and human cholangiopathies suggest that bile acids play a crucial role in the pathogenesis and progression of biliary fibrosis. The identification of bile acid receptors has advanced our understanding of various signaling pathways involved in regulating cholangiocyte functions and the potential impact on biliary fibrosis. We will also briefly review recent findings linking these receptors with epigenetic regulatory mechanisms. Further detailed understanding of bile acid signaling in the pathogenesis of biliary fibrosis will uncover additional therapeutic avenues for cholangiopathies.
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Affiliation(s)
- Sayed Obaidullah Aseem
- Stravitz-Sanyal Institute for Liver Disease & Metabolic Health, School of Medicine, Virginia Commonwealth University, Richmond, VA 23298, USA
- Division of Gastroenterology, Hepatology and Nutrition, Department of Internal Medicine, Medical College of Virginia, Virginia Commonwealth University, Richmond, VA 23298, USA
- Correspondence:
| | - Phillip B. Hylemon
- Department of Microbiology and Immunology, Virginia Commonwealth University, Richmond, VA 23298, USA
- Central Virginia Veterans Healthcare System, Richmond, VA 23249, USA
| | - Huiping Zhou
- Department of Microbiology and Immunology, Virginia Commonwealth University, Richmond, VA 23298, USA
- Central Virginia Veterans Healthcare System, Richmond, VA 23249, USA
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28
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Abstract
Metabolic-associated fatty liver disease (MAFLD) has become the most common cause for chronic liver disease among children and adolescents globally. Although liver biopsy remains the gold standard for diagnosis, emerging technology, like velocity controlled transient elastography, a noninvasive method, is being utilized to evaluate degree of fibrosis in these patients. The discovery of multiple gene polymorphisms has brought new hope for possible treatment targets. However, this research is still ongoing, making lifestyle changes and weight reduction the current mainstay of treatment. This review briefly reviews the most recent data regarding the epidemiology, pathophysiology, diagnostic modalities, and treatment of pediatric MAFLD.
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Hov JR, Karlsen TH. The microbiota and the gut-liver axis in primary sclerosing cholangitis. Nat Rev Gastroenterol Hepatol 2023; 20:135-154. [PMID: 36352157 DOI: 10.1038/s41575-022-00690-y] [Citation(s) in RCA: 23] [Impact Index Per Article: 23.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 09/13/2022] [Indexed: 11/11/2022]
Abstract
Primary sclerosing cholangitis (PSC) offers unique opportunities to explore the gut-liver axis owing to the close association between liver disease and colonic inflammation. It is well established that the gut microbiota in people with PSC differs from that of healthy individuals, but details of the microbial factors that demarcate PSC from inflammatory bowel disease (IBD) without PSC are poorly understood. In this Review, we aim to provide an overview of the latest literature on the gut microbiome in PSC and PSC with IBD, critically examining hypotheses on how microorganisms could contribute to the pathogenesis of PSC. A particular emphasis will be put on pathogenic features of the gut microbiota that might explain the occurrence of bile duct inflammation and liver disease in the context of IBD, and we postulate the potential existence of a specific yet unknown factor related to the gut-liver axis as causative in PSC. Available data are scrutinized in the perspective of therapeutic approaches related to the gut-liver axis.
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Affiliation(s)
- Johannes R Hov
- Norwegian PSC Research Center and Section of gastroenterology and Research Institute of Internal Medicine, Division of Surgery, Inflammatory Diseases and Transplantation, Oslo University Hospital, Oslo, Norway.,Institute of Clinical Medicine, Faculty of Medicine, University of Oslo, Oslo, Norway
| | - Tom H Karlsen
- Norwegian PSC Research Center and Section of gastroenterology and Research Institute of Internal Medicine, Division of Surgery, Inflammatory Diseases and Transplantation, Oslo University Hospital, Oslo, Norway. .,Institute of Clinical Medicine, Faculty of Medicine, University of Oslo, Oslo, Norway.
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Wang Z, Sun Y, Han Y, Chen X, Gong P, Zhai P, Yao W, Ba Q, Wang H. Eucommia bark/leaf extract improves HFD-induced lipid metabolism disorders via targeting gut microbiota to activate the Fiaf-LPL gut-liver axis and SCFAs-GPR43 gut-fat axis. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2023; 110:154652. [PMID: 36638713 DOI: 10.1016/j.phymed.2023.154652] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/11/2022] [Revised: 12/25/2022] [Accepted: 01/04/2023] [Indexed: 06/17/2023]
Abstract
BACKGROUND The bark of Eucommia ulmoides (a perennial deciduous tree termed eucommia hereafter) has anti-hyperlipidemia effects due to its bioactive components. However, the slow growth of eucommia bark leads to a deficit in this resource. Studies have shown that eucommia leaf has bioactive components similar to those of eucommia bark and anti-hyperlipidemia effects. At present, the strength of the anti-hyperlipidemia effect of eucommia bark and eucommia leaf has not been reported. Their interaction with the gut microbiota and the mechanism by which the gut microbiota exerts anti-hyperlipidemia effects are unclear. PURPOSES Through fecal microbiota transplantation (FMT) experiments, this study aimed to investigate the mechanism by which fecal bacteria suspensions containing chlorogenic acid (CGA), eucommia bark extract (EBE), and eucommia leaves extract (ELE) improve high-fat diet (HFD)-induced lipid metabolism disorders. Difference in anti-hyperlipidemia effects between EBE and ELE and exploring an eucommia bark substitute to improve the sustainable utilization of eucommia were also evaluated. RESULTS EBE and ELE contain eight identical bioactive ingredients, and fecal bacteria suspensions containing EBE and ELE significantly improved HFD-induced lipid metabolism disorders and elevated blood glucose levels. The fecal bacteria suspension of healthy mice containing CGA, EBE, and ELE significantly reduced the relative abundance of Erysipelothrichaceae and Ruminococcaceae and promoted short chain fatty acids (SCFAs) production thereby activating the expression of the SCFA. G protein-coupled receptor 43 (GPR43) gene in colon and epididymal fat tissues. In addition, fecal bacteria suspensions of healthy mice containing CGA, EBE, or ELE significantly activated fasting-induced adipose factor (Fiaf) gene expression in colon tissue and inhibited the secretion of lipoprotein lipase (LPL) in liver tissue, thereby inhibiting the synthesis of triglycerides (TG). Changed in the Erysipelotrichaceae and Ruminococcaceae relative abundances were significantly correlated with these target genes. Thus, regulating the abundance of the Erysipelotrichaceae and Ruminococcaceae could serve as a potential target for the role of fecal bacteria suspensions of healthy mice containing CGA, EBE, or ELE in the Fiaf-LPL gut-liver axis and SCFAs-GPR43 gut-fat axis. In addition, regarding HFD-induced lipid metabolism disorders and gut microbiota structural disorders, we found no significant difference between ELE and EBE. CONCLUSIONS Our FMT experiments evidenced that EBE and ELE improve lipid metabolism disorders by regulating the gut microbiota, providing a new pathway for treating hyperlipidemia using eucommia dietary therapy. There was no significant difference in the anti-hyperlipidemia effects of ELE and EBE; thus, eucommia leaf could replace eucommia bark in traditional Chinese medicine, so as to achieve a sustainable utilization of eucommia resources.
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Affiliation(s)
- Zhineng Wang
- School of Food Science and Engineering, Shaanxi University of Science and Technology, Xi'an, China
| | - Yin Sun
- School of Food Science and Engineering, Shaanxi University of Science and Technology, Xi'an, China
| | - Yewen Han
- School of Food Science and Engineering, Shaanxi University of Science and Technology, Xi'an, China
| | - Xuefeng Chen
- School of Food Science and Engineering, Shaanxi University of Science and Technology, Xi'an, China
| | - Pin Gong
- School of Food Science and Engineering, Shaanxi University of Science and Technology, Xi'an, China
| | - Pengtao Zhai
- School of Food Science and Engineering, Shaanxi University of Science and Technology, Xi'an, China
| | - Wenbo Yao
- School of Food Science and Engineering, Shaanxi University of Science and Technology, Xi'an, China.
| | - Qian Ba
- Laboratory of Oncogenes and Related Genes, Center for Single-Cell Omics, School of Public Health, Shanghai Jiao Tong University School of Medicine, Shanghai, China; Experimental Center, Shanghai Municipal Hospital of Traditional Chinese Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, China.
| | - Hui Wang
- Laboratory of Oncogenes and Related Genes, Center for Single-Cell Omics, School of Public Health, Shanghai Jiao Tong University School of Medicine, Shanghai, China.
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31
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Elevated serum levels of diamine oxidase, D-lactate and lipopolysaccharides are associated with metabolic-associated fatty liver disease. Eur J Gastroenterol Hepatol 2023; 35:94-101. [PMID: 36468573 PMCID: PMC9719837 DOI: 10.1097/meg.0000000000002456] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/10/2022]
Abstract
BACKGROUND Studies have suggested an association between metabolic-associated fatty liver disease (MAFLD) and intestinal barrier function. The present study aims to investigate the association between MAFLD and intestinal barrier impairment in humans and identify potential risk factors for MAFLD. METHODS A total of 491 patients were retrospectively enrolled in this study. The serum levels of diamine oxidase, D-lactate and lipopolysaccharide were measured to evaluate intestinal barrier integrity in patients with and without MAFLD. Binary logistic regression and correlational analyses were conducted to verify the association between MAFLD and serum levels of intestinal barrier biomarkers. RESULTS We enrolled 294 patients with MAFLD and 197 patients without MAFLD in this study. Patients with MAFLD had higher serum levels of diamine oxidase, D-lactate and lipopolysaccharide (P < 0.001) than those without MAFLD. Multivariate logistic regression analyses showed that BMI [odds ratio (OR) 1.324; P < 0.001], triglycerides (OR 2.649; P = 0.002), nonesterified fatty acids (OR 1.002; P = 0.011), diamine oxidase (OR 1.149; P = 0.011) and D-lactate (OR 1.221; P < 0.001) were independent risk factors for MAFLD. Additionally, serum levels of diamine oxidase and D-lactate increase as liver steatosis became more severe. MAFLD patients with ≥2 metabolic abnormalities had higher serum levels of lipopolysaccharide (P = 0.034). CONCLUSIONS MAFLD is associated with intestinal barrier impairment. Diamine oxidase and D-lactate are potential predictors of MAFLD, and their serum levels are related to liver steatosis. Intestinal barrier impairment is related to metabolic disorders in patients with MAFLD.
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Pal SC, Eslam M, Mendez-Sanchez N. Detangling the interrelations between MAFLD, insulin resistance, and key hormones. Hormones (Athens) 2022; 21:573-589. [PMID: 35921046 DOI: 10.1007/s42000-022-00391-w] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/04/2022] [Accepted: 07/19/2022] [Indexed: 11/04/2022]
Abstract
Metabolic dysfunction-associated fatty liver disease (MAFLD) has increasingly become a significant and highly prevalent cause of chronic liver disease, displaying a wide array of risk factors and pathophysiologic mechanisms of which only a few have so far been clearly elucidated. A bidirectional interaction between hormonal discrepancies and metabolic-related disorders, including obesity, type 2 diabetes mellitus (T2DM), and polycystic ovarian syndrome (PCOS) has been described. Since the change in nomenclature from non-alcoholic fatty liver disease (NAFLD) to MAFLD is based on the clear impact of metabolic elements on the disease, the reciprocal interactions of hormones such as insulin, adipokines (leptin and adiponectin), and estrogens have strongly pointed to the intrinsic links that lead to the heterogeneous epidemiology, clinical presentations, and risk factors involved in MAFLD in different populations. The objective of this work is twofold. Firstly, there is a brief discussion regarding the change in nomenclature as well as epidemiology, risk factors, and pathophysiologic mechanisms other than hormonal effects, which include nutrition and the gut microbiome, as well as genetic and epigenetic influences. Secondly, we review the basis of the most important hormonal factors involved in the development and progression of MAFLD that act both independently and in an interrelated manner.
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Affiliation(s)
- Shreya C Pal
- Faculty of Medicine, National Autonomous University of Mexico, Av. Universidad 3000, Coyoacán, 4510, Mexico City, Mexico
- Liver Research Unit, Medica Sur Clinic & Foundation, Puente de Piedra 150. Col. Toriello Guerra, 14050, Tlalpan, Mexico City, Mexico
| | - Mohammed Eslam
- Storr Liver Centre, Westmead Institute for Medical Research, Westmead Hospital, University of Sydney, Sydney, NSW, Australia
| | - Nahum Mendez-Sanchez
- Faculty of Medicine, National Autonomous University of Mexico, Av. Universidad 3000, Coyoacán, 4510, Mexico City, Mexico.
- Liver Research Unit, Medica Sur Clinic & Foundation, Puente de Piedra 150. Col. Toriello Guerra, 14050, Tlalpan, Mexico City, Mexico.
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Lu Y, Shao M, Zhang C, Xiang H, Wang J, Wu T, Ji G. Kaempferol attenuates nonalcoholic steatohepatitis by regulating serum and liver bile acid metabolism. Front Pharmacol 2022; 13:946360. [PMID: 36249786 PMCID: PMC9557056 DOI: 10.3389/fphar.2022.946360] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2022] [Accepted: 09/05/2022] [Indexed: 12/04/2022] Open
Abstract
Objective: Changes in bile acids (BAs) are increasingly recognized as potential targets for non-alcoholic steatohepatitis (NASH). Kaempferol has been proved to be anti-inflammatory and reduce the disorder of lipid metabolism. In order to analyze the BA profile in NASH mice and determine the predictive biomarkers of kaempferol treatment, serum-targeted metabolomics and liver tissue RNA sequencing (RNA-seq) were carried out. Design: Six normal control mice (NC group), eight HFD-fed mice (HFD group), and eight kaempferol-treated HFD-fed mice (HFD + KP group) were included in the present study. Ultra-performance liquid chromatography coupled to a tandem mass spectrometry system (UPLC-MS/MS) was used to quantify serum and liver BAs, and RNA-seq was used to quantify liver differentially expressed genes related to BA metabolism. Results: The serum levels of CA, βMCA, UDCA, and 12-DHCA, as well as ωMCA in both the serum and liver, were significantly decreased in the HFD group compared with those in the NC group, and kaempferol can increase the serum levels of βMCA, UDCA, and ωMCA and the liver level of 12-DHCA. The serum levels of TDCA, THDCA, TUDCA, TDCA/CA, and TDCA/DCA were significantly increased in the HFD group compared with those of the NC group, and kaempferol can decrease them. Furthermore, NASH mice had a higher liver level of total CA%, total CDCA%, primary BAs/secondary BAs, 12α-OH BAs/non-12α-OH Bas, and conjugated BAs/unconjugated BAs, and all decreased after kaempferol treatment. According to the RNA-seq results, we found that compared with the NC group, the mRNA expression of cholesterol-7α-hydroxylase (CYP7A1) in the HFD group was significantly increased, and the mRNA expression of sterol 12α‐hydroxylase (CYP8B1) and multidrug resistance-related protein 3 (MRP3) was significantly decreased, while kaempferol significantly promoted the mRNA expression of mitochondrial sterol 27-hydroxylase (CYP27A1) and Na+ -taurocholate cotransporting polypeptide (NTCP). Conclusion: βMCA, CA, UDCA, 12-DHCA, ωMCA, CDCA, TωMCA, TDCA, THDCA, TCDCA, and TUDCA in the serum, as well as 6,7-diketoLCA, 12-DHCA, and ωMCA in the liver, may be potential biomarkers for kaempferol to improve NASH. HFD-induced NASH may be associated with the increase of CYP7A1 and the decrease of CYP8B1, leading to increased BA synthesis, and the decrease of MRP3 leading to decreased BA synthesis, and kaempferol may alleviate NASH by increasing CYP27A1 and NTCP to enhance BA transport.
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Affiliation(s)
- Yifei Lu
- Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai, China
- Yueyang Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Mingmei Shao
- Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai, China
- Baoshan District Hospital of Intergrated Traditional Chinese and Western Medicine, Shanghai, China
| | - Caiyun Zhang
- Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Hongjiao Xiang
- Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Junmin Wang
- Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Tao Wu
- Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai, China
- Institute of Digestive Disease, Longhua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China
- *Correspondence: Tao Wu, , ; Guang Ji, ,
| | - Guang Ji
- Institute of Digestive Disease, Longhua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China
- *Correspondence: Tao Wu, , ; Guang Ji, ,
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Sun J, Fan J, Li T, Yan X, Jiang Y. Nuciferine Protects Against High-Fat Diet-Induced Hepatic Steatosis via Modulation of Gut Microbiota and Bile Acid Metabolism in Rats. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2022; 70:12014-12028. [PMID: 36106619 DOI: 10.1021/acs.jafc.2c04817] [Citation(s) in RCA: 35] [Impact Index Per Article: 17.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Our previous study showed that nuciferine (NF) attenuated non-alcoholic fatty liver disease (NAFLD), which is attributed to a high-fat diet (HFD) through reinforcing intestinal barrier functions, regulating lipid metabolism, and improving inflammation. To clarify whether other mechanisms contribute to the anti-NAFLD efficacy of NF, the present study investigated the influence of NF on bile acid (BA) metabolism and gut microbiota in HFD-fed rats. The data demonstrated that NF changed the composition of colonic BA, particularly elevating conjugated BA and non-12OH BA levels. As shown by downregulated protein levels of FXR, FGF15, FGFR4, and ASBT and upregulated protein levels of CYP7A1 and CYP27A1, NF inhibited ileal FXR signaling, promoted BA synthesis, suppressed BA reabsorption, and facilitated fecal BA excretion. NF might affect hepatic FXR signaling, BA conjugation, and enterohepatic circulation by the changed mRNA levels of Fxr, Shp, Baat, Bacs, Bsep, Ntcp, Ibabp, and Ostα/β. Meanwhile, NF regulated the gut microbiota, characterized by decreased BSH-producing genus, 7α-dehydroxylation genus, and increased taurine metabolism-related genus. Spearman rank correlation analysis implied that Colidextribacter, Adlercreutzia, Family_XIII_AD3011_group, Lachnospiraceae_UCG-010, Eisenbergiella, and UCG-005 were robustly associated with particular BA monomers. In conclusion, our experiment results suggested that NF could exert a mitigating effect on NAFLD via regulating BA metabolism and modulating the gut microbiota.
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Affiliation(s)
- Jingyue Sun
- College of Biosystems Engineering and Food Science, Zhejiang University, No.866 Yuhangtang Road, Xihu District, Hangzhou 310058, China
| | - Jiemin Fan
- College of Biosystems Engineering and Food Science, Zhejiang University, No.866 Yuhangtang Road, Xihu District, Hangzhou 310058, China
| | - Tingting Li
- College of Biosystems Engineering and Food Science, Zhejiang University, No.866 Yuhangtang Road, Xihu District, Hangzhou 310058, China
| | - Xiaoxue Yan
- College of Biosystems Engineering and Food Science, Zhejiang University, No.866 Yuhangtang Road, Xihu District, Hangzhou 310058, China
| | - Yihong Jiang
- College of Biosystems Engineering and Food Science, Zhejiang University, No.866 Yuhangtang Road, Xihu District, Hangzhou 310058, China
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Zhang Y, Gu Y, Jiang J, Cui X, Cheng S, Liu L, Huang Z, Liao R, Zhao P, Yu J, Wang J, Jia Y, Jin W, Zhou F. Stigmasterol attenuates hepatic steatosis in rats by strengthening the intestinal barrier and improving bile acid metabolism. NPJ Sci Food 2022; 6:38. [PMID: 36030278 PMCID: PMC9420112 DOI: 10.1038/s41538-022-00156-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2022] [Accepted: 08/09/2022] [Indexed: 11/30/2022] Open
Abstract
Stigmasterol (ST) has been shown to improve both lipid and bile acid (BA) metabolism. However, the mechanism(s) by which ST prevents dyslipidemia via BA metabolism, and the potential involvement of other regulatory mechanisms, remains unclear. Here, we found that ST treatment effectively alleviates lipid metabolism disorder induced by a high-fat diet (HFD). Moreover, we also show that fecal microbiota transplantation from ST-treated rats displays similar protective effects in rats fed on an HFD. Our data confirm that the gut microbiota plays a key role in attenuating HFD-induced fat deposition and metabolic disorders. In particular, ST reverses HFD-induced gut microbiota dysbiosis in rats by reducing the relative abundance of Erysipelotrichaceae and Allobaculum bacteria in the gut. In addition, ST treatment also modifies the serum and fecal BA metabolome profiles in rats, especially in CYP7A1 mediated BA metabolic pathways. Furthermore, chenodeoxycholic acid combined with ST improves the therapeutic effects in HFD-induced dyslipidemia and hepatic steatosis. In addition, this treatment strategy also alters BA metabolism profiles via the CYP7A1 pathway and gut microbiota. Taken together, ST exerts beneficial effects against HFD-induced hyperlipidemia and obesity with the underlying mechanism being partially related to both the reprogramming of the intestinal microbiota and metabolism of BAs in enterohepatic circulation. This study provides a theoretical basis for further study of the anti-obesity effects of ST and consideration of the gut microbiota as a potential target for the treatment of HFD-induced dyslipidemia.
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Affiliation(s)
- Yaxin Zhang
- Third Level Research Laboratory of State Administration of Traditional Chinese Medicine, School of Traditional Chinese Medicine, Southern Medical University, Guangzhou, Guangdong, 510515, China.,Integrated Hospital of Traditional Chinese Medicine, Southern Medical University, Guangzhou, Guangdong, 510315, China
| | - Yuyan Gu
- Third Level Research Laboratory of State Administration of Traditional Chinese Medicine, School of Traditional Chinese Medicine, Southern Medical University, Guangzhou, Guangdong, 510515, China
| | - Jing Jiang
- School of Traditional Chinese Medicine, Southern Medical University, Guangzhou, Guangdong, 510515, China
| | - Xiaobing Cui
- Department of Cardiology, Integrated Hospital of Traditional Chinese Medicine, Southern Medical University, Guangzhou, Guangdong, 510315, China
| | - Saibo Cheng
- School of Traditional Chinese Medicine, Southern Medical University, Guangzhou, Guangdong, 510515, China
| | - Linling Liu
- School of Traditional Chinese Medicine, Southern Medical University, Guangzhou, Guangdong, 510515, China
| | - Zhiyong Huang
- Department of Otolaryngology, The Third Affiliated Hospital of Southern Medical University, Guangzhou, Guangdong, 510630, China
| | - Rongxin Liao
- Center of TCM Preventive Treatment, Integrated Hospital of Traditional Chinese Medicine, Southern Medical University, Guangzhou, Guangdong, 510315, China
| | - Peng Zhao
- Center of TCM Preventive Treatment, Integrated Hospital of Traditional Chinese Medicine, Southern Medical University, Guangzhou, Guangdong, 510315, China
| | - Jieying Yu
- School of Traditional Chinese Medicine, Southern Medical University, Guangzhou, Guangdong, 510515, China
| | - Jing Wang
- School of Traditional Chinese Medicine, Southern Medical University, Guangzhou, Guangdong, 510515, China
| | - Yuhua Jia
- School of Traditional Chinese Medicine, Southern Medical University, Guangzhou, Guangdong, 510515, China.
| | - Wen Jin
- Department of Cardiac Intensive Care Unit, Cardiovascular Hospital, Guangdong Second Provincial General Hospital, Guangzhou, Guangdong, 510317, China.
| | - Fenghua Zhou
- Integrated Hospital of Traditional Chinese Medicine, Southern Medical University, Guangzhou, Guangdong, 510315, China. .,School of Traditional Chinese Medicine, Southern Medical University, Guangzhou, Guangdong, 510515, China.
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Zhou S, You H, Qiu S, Yu D, Bai Y, He J, Cao H, Che Q, Guo J, Su Z. A new perspective on NAFLD: Focusing on the crosstalk between peroxisome proliferator-activated receptor alpha (PPARα) and farnesoid X receptor (FXR). Biomed Pharmacother 2022; 154:113577. [PMID: 35988420 DOI: 10.1016/j.biopha.2022.113577] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2022] [Revised: 08/10/2022] [Accepted: 08/16/2022] [Indexed: 11/19/2022] Open
Abstract
Nonalcoholic fatty liver disease (NAFLD) is primarily caused by abnormal lipid metabolism and the accumulation of triglycerides in the liver. NAFLD is also associated with hepatic steatosis and nutritional and energy imbalances and is a chronic liver disease associated with a number of factors. Nuclear receptors play a key role in balancing energy and nutrient metabolism, and the peroxisome proliferator-activated receptor alpha (PPARα) and farnesoid X receptor (FXR) regulate lipid metabolism genes, controlling hepatocyte lipid utilization and regulating bile acid (BA) synthesis and transport. They play an important role in lipid metabolism and BA homeostasis. At present, PPARα and FXR are the most promising targets for the treatment of NAFLD among nuclear receptors. This review focuses on the crosstalk mechanisms and transcriptional regulation of PPARα and FXR in the pathogenesis of NAFLD and summarizes PPARα and FXR drugs in clinical trials, laying a theoretical foundation for the targeted treatment of NAFLD and the development of novel therapeutic strategies.
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Affiliation(s)
- Shipeng Zhou
- Guangdong Engineering Research Center of Natural Products and New Drugs, Guangdong Provincial University Engineering Technology Research Center of Natural Products and Drugs, Guangdong Pharmaceutical University, Guangzhou 510006, China; Guangdong Metabolic Disease Research Center of Integrated Chinese and Western Medicine, Key Laboratory of Glucolipid Metabolic Disorder, Ministry of Education of China, Guangdong TCM Key Laboratory for Metabolic Diseases, Guangdong Pharmaceutical University, Guangzhou 510006, China
| | - Huimin You
- Guangdong Engineering Research Center of Natural Products and New Drugs, Guangdong Provincial University Engineering Technology Research Center of Natural Products and Drugs, Guangdong Pharmaceutical University, Guangzhou 510006, China; Guangdong Metabolic Disease Research Center of Integrated Chinese and Western Medicine, Key Laboratory of Glucolipid Metabolic Disorder, Ministry of Education of China, Guangdong TCM Key Laboratory for Metabolic Diseases, Guangdong Pharmaceutical University, Guangzhou 510006, China
| | - Shuting Qiu
- Guangdong Engineering Research Center of Natural Products and New Drugs, Guangdong Provincial University Engineering Technology Research Center of Natural Products and Drugs, Guangdong Pharmaceutical University, Guangzhou 510006, China; Guangdong Metabolic Disease Research Center of Integrated Chinese and Western Medicine, Key Laboratory of Glucolipid Metabolic Disorder, Ministry of Education of China, Guangdong TCM Key Laboratory for Metabolic Diseases, Guangdong Pharmaceutical University, Guangzhou 510006, China
| | - Dawei Yu
- Guangdong Engineering Research Center of Natural Products and New Drugs, Guangdong Provincial University Engineering Technology Research Center of Natural Products and Drugs, Guangdong Pharmaceutical University, Guangzhou 510006, China; Guangdong Metabolic Disease Research Center of Integrated Chinese and Western Medicine, Key Laboratory of Glucolipid Metabolic Disorder, Ministry of Education of China, Guangdong TCM Key Laboratory for Metabolic Diseases, Guangdong Pharmaceutical University, Guangzhou 510006, China
| | - Yan Bai
- School of Public Health, Guangdong Pharmaceutical University, Guangzhou 510310, China
| | - Jincan He
- School of Public Health, Guangdong Pharmaceutical University, Guangzhou 510310, China
| | - Hua Cao
- School of Chemistry and Chemical Engineering, Guangdong Pharmaceutical University, Zhongshan 528458, China
| | - Qishi Che
- Guangzhou Rainhome Pharm & Tech Co., Ltd, Science City, Guangzhou 510663, China
| | - Jiao Guo
- Guangdong Metabolic Disease Research Center of Integrated Chinese and Western Medicine, Key Laboratory of Glucolipid Metabolic Disorder, Ministry of Education of China, Guangdong TCM Key Laboratory for Metabolic Diseases, Guangdong Pharmaceutical University, Guangzhou 510006, China.
| | - Zhengquan Su
- Guangdong Engineering Research Center of Natural Products and New Drugs, Guangdong Provincial University Engineering Technology Research Center of Natural Products and Drugs, Guangdong Pharmaceutical University, Guangzhou 510006, China; Guangdong Metabolic Disease Research Center of Integrated Chinese and Western Medicine, Key Laboratory of Glucolipid Metabolic Disorder, Ministry of Education of China, Guangdong TCM Key Laboratory for Metabolic Diseases, Guangdong Pharmaceutical University, Guangzhou 510006, China.
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37
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Niu K, Bai P, Yang B, Feng X, Qiu F. Asiatic acid alleviates metabolism disorders in ob/ob mice: mechanistic insights. Food Funct 2022; 13:6934-6946. [PMID: 35696250 DOI: 10.1039/d2fo01069k] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Glucolipid metabolism disorders pose a serious and global health problem, and more effective prevention and treatment methods are urgently needed. In this study, ob/ob mice were used to explore the potential mechanism explaining how asiatic acid (AA) regulates glucolipid metabolism disorders. Five-week AA treatment (30 mg kg-1) significantly improved a host of metabolic factors in ob/ob mice, including hyperglycemia, hyperlipidemia, insulin resistance, and liver histopathology. Combined analysis of untargeted liver metabolomics, liver transcriptomics, and the gut microbiome was conducted, and the results showed that AA alleviates metabolic disorders in ob/ob mice through regulating pyrimidine metabolism, activating PPAR-γ, and modulating gut microbiota. AA treatment remarkedly increased the levels of cytosine and cytidine, two crucial endogenous metabolites related to pyrimidine metabolism, which were significantly decreased in ob/ob mice. AA treatment also affected the levels of 13-S-hydroxyoctadecadienoic acid, an endogenous PPAR-γ agonist. The abundances of Lachnospiraceae_NK4A136_group and norank_f__norank_o__Clostridia_UCG-014 were increased after AA treatment. Meanwhile, correlation analysis showed that endogenous metabolites and gut microbiota were strongly correlated. These findings indicated that AA supplements might be beneficial for the prevention of metabolic disorders.
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Affiliation(s)
- Kaixia Niu
- School of Chinese Materia Medica, and State Key Laboratory of Component-based Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin, China.
| | - Pengpeng Bai
- School of Chinese Materia Medica, and State Key Laboratory of Component-based Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin, China.
| | - Bingbing Yang
- School of Chinese Materia Medica, and State Key Laboratory of Component-based Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin, China.
| | - Xinchi Feng
- School of Chinese Materia Medica, and State Key Laboratory of Component-based Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin, China.
| | - Feng Qiu
- School of Chinese Materia Medica, and State Key Laboratory of Component-based Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin, China.
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Jackson KG, Way GW, Zhou H. Bile acids and sphingolipids in non-alcoholic fatty liver disease. Chin Med J (Engl) 2022; 135:1163-1171. [PMID: 35788089 PMCID: PMC9337250 DOI: 10.1097/cm9.0000000000002156] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2022] [Indexed: 12/14/2022] Open
Abstract
ABSTRACT Non-alcoholic fatty liver disease (NAFLD) is one of the fastest-growing diseases, and its global prevalence is estimated to increase >50% by 2030. NAFLD is comorbid with metabolic syndrome, obesity, type 2 diabetes, and insulin resistance. Despite extensive research efforts, there are no pharmacologic or biological therapeutics for the treatment of NAFLD. Bile acids and sphingolipids are well-characterized signaling molecules. Over the last few decades, researchers have uncovered potential mechanisms by which bile acids and sphingolipids regulate hepatic lipid metabolism. Dysregulation of bile acid and sphingolipid metabolism has been linked to steatosis, inflammation, and fibrosis in patients with NAFLD. This clinical observation has been recapitulated in animal models, which are well-accepted by experts in the hepatology field. Recent transcriptomic and lipidomic studies also show that sphingolipids are important players in the pathogenesis of NAFLD. Moreover, the identification of bile acids as activators of sphingolipid-mediated signaling pathways established a novel theory for bile acid and sphingolipid biology. In this review, we summarize the recent advances in the understanding of bile acid and sphingolipid-mediated signaling pathways as potential contributors to NAFLD. A better understanding of the pathologic effects mediated by bile acids and sphingolipids will facilitate the development of new diagnostic and therapeutic strategies for NAFLD.
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Affiliation(s)
- Kaitlyn G. Jackson
- Department of Microbiology and Immunology, Virginia Commonwealth University School of Medicine, Richmond, VA 23298, USA
| | - Grayson W. Way
- Center for Clinical and Translational Research, Virginia Commonwealth University School of Medicine, Richmond, VA 23298, USA
| | - Huiping Zhou
- Department of Microbiology and Immunology, Virginia Commonwealth University School of Medicine, Richmond, VA 23298, USA
- Central Virginia Veterans Healthcare System, Richmond, VA 23249, USA
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Flessa C, Kyrou I, Nasiri‐Ansari N, Kaltsas G, Kassi E, Randeva HS. Endoplasmic reticulum stress in nonalcoholic (metabolic associated) fatty liver disease (NAFLD/MAFLD). J Cell Biochem 2022; 123:1585-1606. [DOI: 10.1002/jcb.30247] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2022] [Revised: 03/09/2022] [Accepted: 03/28/2022] [Indexed: 02/06/2023]
Affiliation(s)
- Christina‐Maria Flessa
- Department of Biological Chemistry, Medical School National and Kapodistrian University of Athens Athens Greece
- Warwickshire Institute for the Study of Diabetes, Endocrinology and Metabolism (WISDEM) University Hospitals Coventry and Warwickshire NHS Trust Coventry UK
| | - Ioannis Kyrou
- Warwickshire Institute for the Study of Diabetes, Endocrinology and Metabolism (WISDEM) University Hospitals Coventry and Warwickshire NHS Trust Coventry UK
- Division of Translational and Experimental Medicine, Metabolic and Vascular Health, Warwick Medical School University of Warwick Coventry UK
- Centre for Sport, Exercise and Life Sciences, Research Institute for Health & Wellbeing Coventry University Coventry UK
- Aston Medical School, College of Health and Life Sciences Aston University Birmingham UK
- Department of Food Science & Human Nutrition Agricultural University of Athens Athens Greece
| | - Narjes Nasiri‐Ansari
- Department of Biological Chemistry, Medical School National and Kapodistrian University of Athens Athens Greece
| | - Gregory Kaltsas
- Endocrine Unit, 1st Department of Propaedeutic and Internal Medicine, Laiko Hospital National and Kapodistrian University of Athens Athens Greece
| | - Eva Kassi
- Department of Biological Chemistry, Medical School National and Kapodistrian University of Athens Athens Greece
- Endocrine Unit, 1st Department of Propaedeutic and Internal Medicine, Laiko Hospital National and Kapodistrian University of Athens Athens Greece
| | - Harpal S. Randeva
- Warwickshire Institute for the Study of Diabetes, Endocrinology and Metabolism (WISDEM) University Hospitals Coventry and Warwickshire NHS Trust Coventry UK
- Division of Translational and Experimental Medicine, Metabolic and Vascular Health, Warwick Medical School University of Warwick Coventry UK
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Way GW, Jackson KG, Muscu SR, Zhou H. Key Signaling in Alcohol-Associated Liver Disease: The Role of Bile Acids. Cells 2022; 11:cells11081374. [PMID: 35456053 PMCID: PMC9031669 DOI: 10.3390/cells11081374] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2022] [Revised: 04/11/2022] [Accepted: 04/14/2022] [Indexed: 02/01/2023] Open
Abstract
Alcohol-associated liver disease (ALD) is a spectrum of diseases, the onset and progression of which are due to chronic alcohol use. ALD ranges, by increasing severity, from hepatic steatosis to alcoholic hepatitis (AH) and alcohol-associated cirrhosis (AC), and in some cases, can lead to the development of hepatocellular carcinoma (HCC). ALD continues to be a significant health burden and is now the main cause of liver transplantations in the United States. ALD leads to biological, microbial, physical, metabolic, and inflammatory changes in patients that vary depending on disease severity. ALD deaths have been increasing in recent years and are projected to continue to increase. Current treatment centers focus on abstinence and symptom management, with little in the way of resolving disease progression. Due to the metabolic disruption and gut dysbiosis in ALD, bile acid (BA) signaling and metabolism are also notably affected and play a prominent role in disease progression in ALD, as well as other liver disease states, such as non-alcoholic fatty liver disease (NAFLD). In this review, we summarize the recent advances in the understanding of the mechanisms by which alcohol consumption induces hepatic injury and the role of BA-mediated signaling in the pathogenesis of ALD.
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Affiliation(s)
- Grayson W. Way
- Center for Clinical and Translational Research, Virginia Commonwealth University, Richmond, VA 23298, USA;
| | - Kaitlyn G. Jackson
- Department of Microbiology and Immunology, Virginia Commonwealth University, Richmond, VA 23298, USA; (K.G.J.); (S.R.M.)
| | - Shreya R. Muscu
- Department of Microbiology and Immunology, Virginia Commonwealth University, Richmond, VA 23298, USA; (K.G.J.); (S.R.M.)
| | - Huiping Zhou
- Department of Microbiology and Immunology, Virginia Commonwealth University, Richmond, VA 23298, USA; (K.G.J.); (S.R.M.)
- Central Virginia Veterans Healthcare System, Richmond, VA 23249, USA
- Correspondence: or
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Transcriptional Regulation of Hepatic Autophagy by Nuclear Receptors. Cells 2022; 11:cells11040620. [PMID: 35203271 PMCID: PMC8869834 DOI: 10.3390/cells11040620] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2022] [Revised: 02/07/2022] [Accepted: 02/08/2022] [Indexed: 02/04/2023] Open
Abstract
Autophagy is an adaptive self-eating process involved in degradation of various cellular components such as carbohydrates, lipids, proteins, and organelles. Its activity plays an essential role in tissue homeostasis and systemic metabolism in response to diverse challenges, including nutrient depletion, pathogen invasion, and accumulations of toxic materials. Therefore, autophagy dysfunctions are intimately associated with many human diseases such as cancer, neurodegeneration, obesity, diabetes, infection, and aging. Although its acute post-translational regulation is well described, recent studies have also shown that autophagy can be controlled at the transcriptional and post-transcriptional levels. Nuclear receptors (NRs) are in general ligand-dependent transcription factors consisting of 48 members in humans. These receptors extensively control transcription of a variety of genes involved in development, metabolism, and inflammation. In this review, we discuss the roles and mechanisms of NRs in an aspect of transcriptional regulation of hepatic autophagy, and how the NR-driven autophagy pathway can be harnessed to treat various liver diseases.
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