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Liu Z, You C. The bile acid profile. Clin Chim Acta 2024:120004. [PMID: 39419312 DOI: 10.1016/j.cca.2024.120004] [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: 07/22/2024] [Revised: 10/13/2024] [Accepted: 10/14/2024] [Indexed: 10/19/2024]
Abstract
As a large and structurally diverse family of small molecules, bile acids play a crucial role in regulating lipid, glucose, and energy metabolism. In the human body, bile acids share a similar chemical structure with many isomers, exhibit little difference in polarity, and possess various physiological activities. The types and contents of bile acids present in different diseases vary significantly. Therefore, comprehensive and accurate detection of the content of various types of bile acids in different biological samples can not only provide new insights into the pathogenesis of diseases but also facilitate the exploration of novel strategies for disease diagnosis, treatment, and prognosis. The detection of disease-induced changes in bile acid profiles has emerged as a prominent research focus in recent years. Concurrently, targeted metabolomics methods utilizing high-performance liquid chromatography-mass spectrometry (HPLC-MS) have progressively established themselves as the predominant technology for the separation and detection of bile acids. Bile acid profiles will increasingly play an important role in diagnosis and guidance in the future as the relationship between disease and changes in bile acid profiles becomes clearer. This highlights the growing diagnostic value of bile acid profiles and their potential to guide clinical decision-making. This review aims to explore the significance of bile acid profiles in clinical diagnosis from four perspectives: the synthesis and metabolism of bile acids, techniques for detecting bile acid profiles, changes in bile acid profiles associated with diseases, and the challenges and future prospects of applying bile acid profiles in clinical settings.
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Affiliation(s)
- Zhenhua Liu
- Laboratory Medicine Center, The Second Hospital & Clinical Medical School, Lanzhou University, Lanzhou 730030, China
| | - Chongge You
- Laboratory Medicine Center, The Second Hospital & Clinical Medical School, Lanzhou University, Lanzhou 730030, China.
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Hou Y, Bian D, Xiao Y, Huang J, Liu J, Xiao E, Li Z, Yan W, Li Y. MRI-based microplastic tracking in vivo and targeted toxicity analysis. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 954:176743. [PMID: 39378947 DOI: 10.1016/j.scitotenv.2024.176743] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/08/2024] [Revised: 10/02/2024] [Accepted: 10/03/2024] [Indexed: 10/10/2024]
Abstract
Microplastics (MPs) as an emerging pollutant have raised significant concerns in environmental health. However, elucidating the distribution of MPs in living organisms remains challenging due to their trace residue and tough detection problems. In this study, a novel magnetic resonance imaging (MRI)-based tracking method was employed to monitor functionalized MPs biodistribution in vivo. Our results identified that the liver is the primary accumulation site of polystyrene microplastics (PS-MPs) in biological systems through continuous in vivo monitoring spanning 21 days. Biochemical tests were performed to assess the toxicological effects of functionalized MPs on the liver tissue, revealing hepatocyte death, inflammatory cell infiltration, and alterations in alkaline phosphatase levels. Notably, positively charged MPs exhibited more severe effects. A combined metabolomics-proteomics analysis further revealed that PS-MPs interfered with hepatic metabolic pathways, particularly bile secretion and ABC transporters. Overall, this study effectively assessed the distribution of functionalized MPs in vivo utilizing MRI technology, validated toxicity in targeted organ, and conducted an in-depth study on underlying biotoxicity mechanism. These findings offer crucial scientific insights into the potential impact of MPs in the actual environment on human health.
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Affiliation(s)
- Yuanyuan Hou
- National Engineering Laboratory of Applied Technology for Forestry & Ecology in South China, Laboratory of Urban Forest Ecology of Hunan Province, China; Department of Life and Environmental Science, Central South University of Forestry and Technology, Changsha 410004, Hunan, China
| | - Dujun Bian
- Radiology Department, the Second Xiangya Hospital of Central South University, Changsha 410011, Hunan, China
| | - Yunmu Xiao
- National Engineering Laboratory of Applied Technology for Forestry & Ecology in South China, Laboratory of Urban Forest Ecology of Hunan Province, China; Department of Life and Environmental Science, Central South University of Forestry and Technology, Changsha 410004, Hunan, China.
| | - Jian Huang
- Obstetrics & Gynecology, the Second Xiangya Hospital of Central South University, Changsha 410011, Hunan, China
| | - Jiayi Liu
- Radiology Department, the Second Xiangya Hospital of Central South University, Changsha 410011, Hunan, China
| | - Enhua Xiao
- Radiology Department, the Second Xiangya Hospital of Central South University, Changsha 410011, Hunan, China
| | - Ziqian Li
- National Engineering Laboratory of Applied Technology for Forestry & Ecology in South China, Laboratory of Urban Forest Ecology of Hunan Province, China; Department of Life and Environmental Science, Central South University of Forestry and Technology, Changsha 410004, Hunan, China
| | - Wende Yan
- National Engineering Laboratory of Applied Technology for Forestry & Ecology in South China, Laboratory of Urban Forest Ecology of Hunan Province, China; Department of Life and Environmental Science, Central South University of Forestry and Technology, Changsha 410004, Hunan, China
| | - Yong Li
- National Engineering Laboratory of Applied Technology for Forestry & Ecology in South China, Laboratory of Urban Forest Ecology of Hunan Province, China; Department of Life and Environmental Science, Central South University of Forestry and Technology, Changsha 410004, Hunan, China.
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Zheng M, Zhai Y, Yu Y, Shen J, Chu S, Focaccia E, Tian W, Wang S, Liu X, Yuan X, Wang Y, Li L, Feng B, Li Z, Guo X, Qiu J, Zhang C, Hou J, Sun Y, Yang X, Zuo X, Heikenwalder M, Li Y, Yuan D, Li S. TNF compromises intestinal bile-acid tolerance dictating colitis progression and limited infliximab response. Cell Metab 2024; 36:2086-2103.e9. [PMID: 38971153 DOI: 10.1016/j.cmet.2024.06.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/20/2023] [Revised: 03/28/2024] [Accepted: 06/07/2024] [Indexed: 07/08/2024]
Abstract
The intestine constantly encounters and adapts to the external environment shaped by diverse dietary nutrients. However, whether and how gut adaptability to dietary challenges is compromised in ulcerative colitis is incompletely understood. Here, we show that a transient high-fat diet exacerbates colitis owing to inflammation-compromised bile acid tolerance. Mechanistically, excessive tumor necrosis factor (TNF) produced at the onset of colitis interferes with bile-acid detoxification through the receptor-interacting serine/threonine-protein kinase 1/extracellular signal-regulated kinase pathway in intestinal epithelial cells, leading to bile acid overload in the endoplasmic reticulum and consequent apoptosis. In line with the synergy of bile acids and TNF in promoting gut epithelial damage, high intestinal bile acids correlate with poor infliximab response, and bile acid clearance improves infliximab efficacy in experimental colitis. This study identifies bile acids as an "opportunistic pathogenic factor" in the gut that would represent a promising target and stratification criterion for ulcerative colitis prevention/therapy.
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Affiliation(s)
- Mengqi Zheng
- Department of Gastroenterology, Qilu Hospital of Shandong University, Jinan 250012, China; Shandong Provincial Clinical Research Center for Digestive Diseases, Jinan, China
| | - Yunjiao Zhai
- Advanced Medical Research Institute, Shandong University, Jinan 250012, China
| | - Yanbo Yu
- Department of Gastroenterology, Qilu Hospital of Shandong University, Jinan 250012, China; Shandong Provincial Clinical Research Center for Digestive Diseases, Jinan, China; Laboratory of Translational Gastroenterology, Qilu Hospital of Shandong University, Jinan 250012, China; Robot Engineering Laboratory for Precise Diagnosis and Therapy of GI Tumor, Qilu Hospital of Shandong University, Jinan 250012, China
| | - Jing Shen
- Advanced Medical Research Institute, Shandong University, Jinan 250012, China
| | - Shuzheng Chu
- Advanced Medical Research Institute, Shandong University, Jinan 250012, China
| | - Enrico Focaccia
- Division of Chronic Inflammation and Cancer, German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Wenyu Tian
- Advanced Medical Research Institute, Shandong University, Jinan 250012, China
| | - Sui Wang
- Department of Gastroenterology, Qilu Hospital of Shandong University, Jinan 250012, China
| | - Xuesong Liu
- Advanced Medical Research Institute, Shandong University, Jinan 250012, China
| | - Xi Yuan
- Advanced Medical Research Institute, Shandong University, Jinan 250012, China
| | - Yue Wang
- Department of Gastroenterology, Qilu Hospital of Shandong University, Jinan 250012, China
| | - Lixiang Li
- Department of Gastroenterology, Qilu Hospital of Shandong University, Jinan 250012, China; Shandong Provincial Clinical Research Center for Digestive Diseases, Jinan, China; Laboratory of Translational Gastroenterology, Qilu Hospital of Shandong University, Jinan 250012, China; Robot Engineering Laboratory for Precise Diagnosis and Therapy of GI Tumor, Qilu Hospital of Shandong University, Jinan 250012, China
| | - Bingcheng Feng
- Department of Gastroenterology, Qilu Hospital of Shandong University, Jinan 250012, China
| | - Zhen Li
- Department of Gastroenterology, Qilu Hospital of Shandong University, Jinan 250012, China; Shandong Provincial Clinical Research Center for Digestive Diseases, Jinan, China; Laboratory of Translational Gastroenterology, Qilu Hospital of Shandong University, Jinan 250012, China; Robot Engineering Laboratory for Precise Diagnosis and Therapy of GI Tumor, Qilu Hospital of Shandong University, Jinan 250012, China
| | - Xiaohuan Guo
- Institute for Immunology, School of Medicine, Tsinghua University, Beijing 100084, China; Beijing Key Laboratory for Immunological Research on Chronic Diseases, Tsinghua University, Beijing 100084, China
| | - Ju Qiu
- CAS Key Laboratory of Tissue Microenvironment and Tumor, Shanghai Institute of Nutrition and Health, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Shanghai 200031, China
| | - Cuijuan Zhang
- Institute of Pathology and Pathophysiology, Shandong University School of Medicine, Jinan 250012, China; Department of Pathology, Qilu Hospital of Shandong University, Jinan 250012, China
| | - Jiajie Hou
- Cancer Centre, Faculty of Health Sciences University of Macau, Macau SAR, China; MOE Frontier Science Centre for Precision Oncology, University of Macau, Macau SAR, China
| | - Yiyuan Sun
- Department of Gastroenterology, Qilu Hospital of Shandong University, Jinan 250012, China
| | - Xiaoyun Yang
- Department of Gastroenterology, Qilu Hospital of Shandong University, Jinan 250012, China; Shandong Provincial Clinical Research Center for Digestive Diseases, Jinan, China; Laboratory of Translational Gastroenterology, Qilu Hospital of Shandong University, Jinan 250012, China; Robot Engineering Laboratory for Precise Diagnosis and Therapy of GI Tumor, Qilu Hospital of Shandong University, Jinan 250012, China
| | - Xiuli Zuo
- Department of Gastroenterology, Qilu Hospital of Shandong University, Jinan 250012, China; Shandong Provincial Clinical Research Center for Digestive Diseases, Jinan, China; Laboratory of Translational Gastroenterology, Qilu Hospital of Shandong University, Jinan 250012, China; Robot Engineering Laboratory for Precise Diagnosis and Therapy of GI Tumor, Qilu Hospital of Shandong University, Jinan 250012, China
| | - Mathias Heikenwalder
- Division of Chronic Inflammation and Cancer, German Cancer Research Center (DKFZ), Heidelberg, Germany; The M3 Research Center, Medical faculty, University Tübingen, Ottfried-Müller Strasse 37, Tübingen, Germany.
| | - Yanqing Li
- Department of Gastroenterology, Qilu Hospital of Shandong University, Jinan 250012, China; Shandong Provincial Clinical Research Center for Digestive Diseases, Jinan, China; Laboratory of Translational Gastroenterology, Qilu Hospital of Shandong University, Jinan 250012, China; Robot Engineering Laboratory for Precise Diagnosis and Therapy of GI Tumor, Qilu Hospital of Shandong University, Jinan 250012, China.
| | - Detian Yuan
- Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Shandong University, Jinan 250012, China.
| | - Shiyang Li
- Department of Gastroenterology, Qilu Hospital of Shandong University, Jinan 250012, China; Shandong Provincial Clinical Research Center for Digestive Diseases, Jinan, China; Advanced Medical Research Institute, Shandong University, Jinan 250012, China; Key Laboratory for Experimental Teratology of Ministry of Education, Shandong University, Jinan 250012, China.
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Jyotsna, Sarkar B, Yadav M, Deka A, Markandey M, Sanyal P, Nagarajan P, Gaikward N, Ahuja V, Mohanty D, Basak S, Gokhale RS. A hepatocyte-specific transcriptional program driven by Rela and Stat3 exacerbates experimental colitis in mice by modulating bile synthesis. eLife 2024; 12:RP93273. [PMID: 39137024 PMCID: PMC11321761 DOI: 10.7554/elife.93273] [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] [Indexed: 08/15/2024] Open
Abstract
Hepatic factors secreted by the liver promote homeostasis and are pivotal for maintaining the liver-gut axis. Bile acid metabolism is one such example wherein, bile acid synthesis occurs in the liver and its biotransformation happens in the intestine. Dysfunctional interactions between the liver and the intestine stimulate varied pathological outcomes through its bidirectional portal communication. Indeed, aberrant bile acid metabolism has been reported in inflammatory bowel disease (IBD). However, the molecular mechanisms underlying these crosstalks that perpetuate intestinal permeability and inflammation remain obscure. Here, we identify a novel hepatic gene program regulated by Rela and Stat3 that accentuates the inflammation in an acute experimental colitis model. Hepatocyte-specific ablation of Rela and Stat3 reduces the levels of primary bile acids in both the liver and the gut and shows a restricted colitogenic phenotype. On supplementation of chenodeoxycholic acid (CDCA), knock-out mice exhibit enhanced colitis-induced alterations. This study provides persuasive evidence for the development of multi-organ strategies for treating IBD and identifies a hepatocyte-specific Rela-Stat3 network as a promising therapeutic target.
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Affiliation(s)
- Jyotsna
- Immunometabolism Laboratory, National Institute of ImmunologyNew DelhiIndia
| | - Binayak Sarkar
- Immunometabolism Laboratory, National Institute of ImmunologyNew DelhiIndia
| | - Mohit Yadav
- Immunometabolism Laboratory, National Institute of ImmunologyNew DelhiIndia
| | - Alvina Deka
- System Immunology Laboratory, National Institute of ImmunologyNew DelhiIndia
| | - Manasvini Markandey
- Department of GastroEnterology, All India Institute of Medical SciencesNew DelhiIndia
| | | | - Perumal Nagarajan
- Immunometabolism Laboratory, National Institute of ImmunologyNew DelhiIndia
| | | | - Vineet Ahuja
- Department of GastroEnterology, All India Institute of Medical SciencesNew DelhiIndia
| | - Debasisa Mohanty
- Immunometabolism Laboratory, National Institute of ImmunologyNew DelhiIndia
| | - Soumen Basak
- System Immunology Laboratory, National Institute of ImmunologyNew DelhiIndia
| | - Rajesh S Gokhale
- Immunometabolism Laboratory, National Institute of ImmunologyNew DelhiIndia
- Department of Biology, Indian Institute of Science Education and ResearchPashanIndia
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Huang K, Wang C, Mei B, Li J, Ren T, Zhan H, Zhang Y, Zhang B, Lv X, Zhang Q, Guan Y, Zhang X, Wang G, Pan W, Xu P, Wang H, Zhang J. Bile acids attenuate hepatic inflammation during ischemia/reperfusion injury. JHEP Rep 2024; 6:101101. [PMID: 39091991 PMCID: PMC11292370 DOI: 10.1016/j.jhepr.2024.101101] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/26/2023] [Revised: 04/10/2024] [Accepted: 04/16/2024] [Indexed: 08/04/2024] Open
Abstract
Background & Aims Persistent cholestasis has been associated with poor prognosis after orthotopic liver transplantation. In this study, we aimed to investigate how the accumulation of tauro-beta-muricholic acid (TβMCA), resulting from the reprogramming of bile acid (BA) metabolism during liver ischemia/reperfusion (IR) stress, attenuates liver inflammation. Methods Ingenuity Pathway Analysis was performed using transcriptome data from a murine hepatic IR model. Three different models of hepatic IR (liver warm IR, bile duct separation-IR, common bile duct ligation-IR) were employed. We generated adeno-associated virus-transfected mice and CD11b-DTR mice to assess the role of BAs in regulating the myeloid S1PR2-GSDMD axis. Hepatic BA levels were analyzed using targeted metabolomics. Finally, the correlation between the reprogramming of BA metabolism and hepatic S1PR2 levels was validated through RNA-seq of human liver transplant biopsies. Results We found that BA metabolism underwent reprogramming in murine hepatocytes under IR stress, leading to increased synthesis of TβMCA, catalyzed by the enzyme CYP2C70. The levels of hepatic TβMCA were negatively correlated with the severity of hepatic inflammation, as indicated by the serum IL-1β levels. Inhibition of hepatic CYP2C70 resulted in reduced TβMCA production, which subsequently increased serum IL-1β levels and exacerbated IR injury. Moreover, our findings suggested that TβMCA could inhibit canonical inflammasome activation in macrophages and attenuate inflammatory responses in a myeloid-specific S1PR2-GSDMD-dependent manner. Additionally, Gly-βMCA, a derivative of TβMCA, could effectively attenuate inflammatory injury in vivo and inhibit human macrophage pyroptosis in vitro. Conclusions IR stress orchestrates hepatic BA metabolism to generate TβMCA, which attenuates hepatic inflammatory injury by inhibiting the myeloid S1PR2-GSDMD axis. Bile acids have immunomodulatory functions in liver reperfusion injury that may guide therapeutic strategies. Impact and implications Our research reveals that liver ischemia-reperfusion stress triggers reprogramming of bile acid metabolism. This functions as an adaptive mechanism to mitigate inflammatory injury by regulating the S1PR2-GSDMD axis, thereby controlling the release of IL-1β from macrophages. Our results highlight the crucial role of bile acids in regulating hepatocyte-immune cell crosstalk, which demonstrates an immunomodulatory function in liver reperfusion injury that may guide therapeutic strategies targeting bile acids and their receptors.
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Affiliation(s)
- Kunpeng Huang
- Department of Emergency Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
- Key Laboratory of Anesthesiology and Resuscitation, Huazhong University of Science and Technology, Ministry of Education, Wuhan 430022, China
| | - Changyan Wang
- Department of Medical Genetics, Basic School of Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Bosheng Mei
- Department of Emergency Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Jinglei Li
- Department of Emergency Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Tianxing Ren
- Department of Emergency Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Hanjing Zhan
- Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Yunwei Zhang
- Department of Emergency, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
- Department of Surgery, University of Virginia, Charlottesville, Virginia 22903, USA
| | - Bowen Zhang
- Department of Emergency Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Xinyu Lv
- Department of Emergency Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Qi Zhang
- Department of Emergency Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Yong Guan
- Department of Emergency Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Xiaofei Zhang
- Center for Translational Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Guoliang Wang
- Department of Hepatobiliary Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Wenming Pan
- Department of Emergency Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Peng Xu
- Department of Emergency Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Hui Wang
- Key Laboratory of Anesthesiology and Resuscitation, Huazhong University of Science and Technology, Ministry of Education, Wuhan 430022, China
- Department of Medical Genetics, Basic School of Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Jinxiang Zhang
- Department of Emergency Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
- Key Laboratory of Anesthesiology and Resuscitation, Huazhong University of Science and Technology, Ministry of Education, Wuhan 430022, China
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Zhu XX, Zhao CY, Meng XY, Yu XY, Ma LC, Chen TX, Chang C, Chen XY, Zhang Y, Hou B, Cai WW, Du B, Han ZJ, Qiu LY, Sun HJ. Bacteroides uniformis Ameliorates Carbohydrate and Lipid Metabolism Disorders in Diabetic Mice by Regulating Bile Acid Metabolism via the Gut-Liver Axis. Pharmaceuticals (Basel) 2024; 17:1015. [PMID: 39204119 PMCID: PMC11357665 DOI: 10.3390/ph17081015] [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: 05/20/2024] [Revised: 07/03/2024] [Accepted: 07/19/2024] [Indexed: 09/03/2024] Open
Abstract
BACKGROUND Type 2 diabetes mellitus (T2DM) is a metabolic syndrome characterized by chronic inflammation, insulin resistance, and islet cell damage. The prevention of T2DM and its associated complications is an urgent public health issue that affects hundreds of millions of people globally. Numerous studies suggest that disturbances in gut metabolites are important driving forces for the pathogenesis of diabetes. However, the functions and mechanisms of action of most commensal bacteria in T2DM remain largely unknown. METHODS The quantification of bile acids (BAs) in fecal samples was performed using ultra-performance liquid chromatography-tandem mass spectrometer (UPLC-MS/MS). The anti-diabetic effects of Bacteroides uniformis (B. uniformis) and its metabolites cholic acid (CA) and chenodeoxycholic acid (CDCA) were assessed in T2DM mice induced by streptozocin (STZ) plus high-fat diet (HFD). RESULTS We found that the abundance of B. uniformis in the feces and the contents of CA and CDCA were significantly downregulated in T2DM mice. B. uniformis was diminished in diabetic individuals and this bacterium was sufficient to promote the production of BAs. Colonization of B. uniformis and intragastric gavage of CA and CDCA effectively improved the disorder of glucose and lipid metabolism in T2DM mice by inhibiting gluconeogenesis and lipolysis in the liver. CA and CDCA improved hepatic glucose and lipid metabolism by acting on the Takeda G protein-coupled receptor 5 (TGR5)/adenosine monophosphate-activated protein kinase (AMPK) signaling pathway since knockdown of TGR5 minimized the benefit of CA and CDCA. Furthermore, we screened a natural product-vaccarin (VAC)-that exhibited anti-diabetic effects by promoting the growth of B. uniformis in vitro and in vivo. Gut microbiota pre-depletion abolished the favorable effects of VAC in diabetic mice. CONCLUSIONS These data suggest that supplementation of B. uniformis may be a promising avenue to ameliorate T2DM by linking the gut and liver.
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Affiliation(s)
- Xue-Xue Zhu
- Department of Basic Medicine, Wuxi School of Medicine, Jiangnan University, Wuxi 214122, China; (X.-X.Z.); (C.-Y.Z.); (X.-Y.M.); (X.-Y.Y.); (L.-C.M.); (T.-X.C.); (C.C.); (X.-Y.C.); (Y.Z.); (B.H.); (W.-W.C.); (B.D.)
- Department of Physiology, Eberhard-Karls-University of Tübingen, 72074 Tübingen, Germany
| | - Chen-Yang Zhao
- Department of Basic Medicine, Wuxi School of Medicine, Jiangnan University, Wuxi 214122, China; (X.-X.Z.); (C.-Y.Z.); (X.-Y.M.); (X.-Y.Y.); (L.-C.M.); (T.-X.C.); (C.C.); (X.-Y.C.); (Y.Z.); (B.H.); (W.-W.C.); (B.D.)
| | - Xin-Yu Meng
- Department of Basic Medicine, Wuxi School of Medicine, Jiangnan University, Wuxi 214122, China; (X.-X.Z.); (C.-Y.Z.); (X.-Y.M.); (X.-Y.Y.); (L.-C.M.); (T.-X.C.); (C.C.); (X.-Y.C.); (Y.Z.); (B.H.); (W.-W.C.); (B.D.)
| | - Xiao-Yi Yu
- Department of Basic Medicine, Wuxi School of Medicine, Jiangnan University, Wuxi 214122, China; (X.-X.Z.); (C.-Y.Z.); (X.-Y.M.); (X.-Y.Y.); (L.-C.M.); (T.-X.C.); (C.C.); (X.-Y.C.); (Y.Z.); (B.H.); (W.-W.C.); (B.D.)
| | - Lin-Chun Ma
- Department of Basic Medicine, Wuxi School of Medicine, Jiangnan University, Wuxi 214122, China; (X.-X.Z.); (C.-Y.Z.); (X.-Y.M.); (X.-Y.Y.); (L.-C.M.); (T.-X.C.); (C.C.); (X.-Y.C.); (Y.Z.); (B.H.); (W.-W.C.); (B.D.)
| | - Tian-Xiao Chen
- Department of Basic Medicine, Wuxi School of Medicine, Jiangnan University, Wuxi 214122, China; (X.-X.Z.); (C.-Y.Z.); (X.-Y.M.); (X.-Y.Y.); (L.-C.M.); (T.-X.C.); (C.C.); (X.-Y.C.); (Y.Z.); (B.H.); (W.-W.C.); (B.D.)
| | - Chang Chang
- Department of Basic Medicine, Wuxi School of Medicine, Jiangnan University, Wuxi 214122, China; (X.-X.Z.); (C.-Y.Z.); (X.-Y.M.); (X.-Y.Y.); (L.-C.M.); (T.-X.C.); (C.C.); (X.-Y.C.); (Y.Z.); (B.H.); (W.-W.C.); (B.D.)
| | - Xin-Yu Chen
- Department of Basic Medicine, Wuxi School of Medicine, Jiangnan University, Wuxi 214122, China; (X.-X.Z.); (C.-Y.Z.); (X.-Y.M.); (X.-Y.Y.); (L.-C.M.); (T.-X.C.); (C.C.); (X.-Y.C.); (Y.Z.); (B.H.); (W.-W.C.); (B.D.)
| | - Yuan Zhang
- Department of Basic Medicine, Wuxi School of Medicine, Jiangnan University, Wuxi 214122, China; (X.-X.Z.); (C.-Y.Z.); (X.-Y.M.); (X.-Y.Y.); (L.-C.M.); (T.-X.C.); (C.C.); (X.-Y.C.); (Y.Z.); (B.H.); (W.-W.C.); (B.D.)
| | - Bao Hou
- Department of Basic Medicine, Wuxi School of Medicine, Jiangnan University, Wuxi 214122, China; (X.-X.Z.); (C.-Y.Z.); (X.-Y.M.); (X.-Y.Y.); (L.-C.M.); (T.-X.C.); (C.C.); (X.-Y.C.); (Y.Z.); (B.H.); (W.-W.C.); (B.D.)
| | - Wei-Wei Cai
- Department of Basic Medicine, Wuxi School of Medicine, Jiangnan University, Wuxi 214122, China; (X.-X.Z.); (C.-Y.Z.); (X.-Y.M.); (X.-Y.Y.); (L.-C.M.); (T.-X.C.); (C.C.); (X.-Y.C.); (Y.Z.); (B.H.); (W.-W.C.); (B.D.)
| | - Bin Du
- Department of Basic Medicine, Wuxi School of Medicine, Jiangnan University, Wuxi 214122, China; (X.-X.Z.); (C.-Y.Z.); (X.-Y.M.); (X.-Y.Y.); (L.-C.M.); (T.-X.C.); (C.C.); (X.-Y.C.); (Y.Z.); (B.H.); (W.-W.C.); (B.D.)
| | - Zhi-Jun Han
- Department of Clinical Research Center, Jiangnan University Medical Center, Wuxi 214001, China;
| | - Li-Ying Qiu
- Department of Basic Medicine, Wuxi School of Medicine, Jiangnan University, Wuxi 214122, China; (X.-X.Z.); (C.-Y.Z.); (X.-Y.M.); (X.-Y.Y.); (L.-C.M.); (T.-X.C.); (C.C.); (X.-Y.C.); (Y.Z.); (B.H.); (W.-W.C.); (B.D.)
| | - Hai-Jian Sun
- Department of Basic Medicine, Wuxi School of Medicine, Jiangnan University, Wuxi 214122, China; (X.-X.Z.); (C.-Y.Z.); (X.-Y.M.); (X.-Y.Y.); (L.-C.M.); (T.-X.C.); (C.C.); (X.-Y.C.); (Y.Z.); (B.H.); (W.-W.C.); (B.D.)
- State Key Laboratory of Natural Medicines, China Pharmaceutical University, No. 24 Tongjia Lane, Nanjing 210009, China
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7
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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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8
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Guo X, Zhou J, La Yan, Liu X, Yuan Y, Ye J, Zhang Z, Chen H, Ma Y, Zhong Z, Luo G, Chen H. Very long-chain fatty acids control peroxisome dynamics via a feedback loop in intestinal stem cells during gut regeneration. Dev Cell 2024:S1534-5807(24)00398-8. [PMID: 39047737 DOI: 10.1016/j.devcel.2024.06.020] [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: 10/13/2023] [Revised: 04/19/2024] [Accepted: 06/25/2024] [Indexed: 07/27/2024]
Abstract
Peroxisome dynamics are crucial for intestinal stem cell (ISC) differentiation and gut regeneration. However, the precise mechanisms that govern peroxisome dynamics within ISCs during gut regeneration remain unknown. Using mouse colitis and Drosophila intestine models, we have identified a negative-feedback control mechanism involving the transcription factors peroxisome proliferator-activated receptors (PPARs) and SOX21. This feedback mechanism effectively regulates peroxisome abundance during gut regeneration. Following gut injury, the released free very long-chain fatty acids (VLCFAs) increase peroxisome abundance by stimulating PPARs-PEX11s signaling. PPARs act to stimulate peroxisome fission and inhibit pexophagy. SOX21, which acts downstream of peroxisomes during ISC differentiation, induces peroxisome elimination through pexophagy while repressing PPAR expression. Hence, PPARs and SOX21 constitute a finely tuned negative-feedback loop that regulates peroxisome dynamics. These findings shed light on the complex molecular mechanisms underlying peroxisome regulation in ISCs, contributing to our understanding of gut renewal and repair.
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Affiliation(s)
- Xiaoxin Guo
- West China Centre of Excellence for Pancreatitis and Laboratory of Stem Cell and Anti-Aging Research, National Clinical Research Center for Geriatrics and State Key Laboratory of Respiratory Health and Multimorbidity, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, China; Sichuan Provincial Key Laboratory for Human Disease Gene Study, Sichuan Provincial People's Hospital, University of Electronic Science and Technology of China, Chengdu 611731, China
| | - Juanyu Zhou
- West China Centre of Excellence for Pancreatitis and Laboratory of Stem Cell and Anti-Aging Research, National Clinical Research Center for Geriatrics and State Key Laboratory of Respiratory Health and Multimorbidity, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, China
| | - La Yan
- West China Centre of Excellence for Pancreatitis and Laboratory of Stem Cell and Anti-Aging Research, National Clinical Research Center for Geriatrics and State Key Laboratory of Respiratory Health and Multimorbidity, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, China
| | - Xingzhu Liu
- West China Centre of Excellence for Pancreatitis and Laboratory of Stem Cell and Anti-Aging Research, National Clinical Research Center for Geriatrics and State Key Laboratory of Respiratory Health and Multimorbidity, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, China
| | - Yu Yuan
- West China Centre of Excellence for Pancreatitis and Laboratory of Stem Cell and Anti-Aging Research, National Clinical Research Center for Geriatrics and State Key Laboratory of Respiratory Health and Multimorbidity, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, China
| | - Jinbao Ye
- West China Centre of Excellence for Pancreatitis and Laboratory of Stem Cell and Anti-Aging Research, National Clinical Research Center for Geriatrics and State Key Laboratory of Respiratory Health and Multimorbidity, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, China
| | - Zehong Zhang
- West China Centre of Excellence for Pancreatitis and Laboratory of Stem Cell and Anti-Aging Research, National Clinical Research Center for Geriatrics and State Key Laboratory of Respiratory Health and Multimorbidity, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, China
| | - Haiou Chen
- West China Centre of Excellence for Pancreatitis and Laboratory of Stem Cell and Anti-Aging Research, National Clinical Research Center for Geriatrics and State Key Laboratory of Respiratory Health and Multimorbidity, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, China
| | - Yongxin Ma
- Department of Medical Genetics, State Key Laboratory of Biotherapy, West China Hospital, Sichuan University and Collaborative Innovation Center, Chengdu, Sichuan 610041, China
| | - Zhendong Zhong
- Key Laboratory of Gene Engineering of the Ministry of Education, State Key Laboratory of Biocontrol, School of Life Sciences, Sun Yat-sen University, Guangzhou, Guangdong 510275, China
| | - Guanzheng Luo
- Key Laboratory of Gene Engineering of the Ministry of Education, State Key Laboratory of Biocontrol, School of Life Sciences, Sun Yat-sen University, Guangzhou, Guangdong 510275, China
| | - Haiyang Chen
- West China Centre of Excellence for Pancreatitis and Laboratory of Stem Cell and Anti-Aging Research, National Clinical Research Center for Geriatrics and State Key Laboratory of Respiratory Health and Multimorbidity, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, China.
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9
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Huang Y, Wang X, Sun L. The gut-liver axis calibrates PEDF production for ISC homeostasis. BIOPHYSICS REPORTS 2024; 10:175-177. [PMID: 39027319 PMCID: PMC11252237 DOI: 10.52601/bpr.2024.240904] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2024] [Accepted: 04/03/2024] [Indexed: 07/20/2024] Open
Affiliation(s)
- Ying Huang
- State Key Laboratory of Female Fertility Promotion, Department of Endocrinology and Metabolism, Peking University Third Hospital, Beijing 100191, China
- Institute of Advanced Clinical Medicine, Peking University, Beijing 100191, China
| | - Xinran Wang
- State Key Laboratory of Female Fertility Promotion, Department of Endocrinology and Metabolism, Peking University Third Hospital, Beijing 100191, China
- Institute of Advanced Clinical Medicine, Peking University, Beijing 100191, China
| | - Lulu Sun
- State Key Laboratory of Female Fertility Promotion, Department of Endocrinology and Metabolism, Peking University Third Hospital, Beijing 100191, China
- Institute of Advanced Clinical Medicine, Peking University, Beijing 100191, China
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10
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Zhang Z, Sun Y, Zeng Y, Cui N, Li B, Zhang W, Bai H, Xing N, Kuang H, Wang Q. Elucidating the hepatoprotective mechanisms of cholic acid against CCl 4-Induced acute liver injury: A transcriptomic and metabolomic study. JOURNAL OF ETHNOPHARMACOLOGY 2024; 328:118052. [PMID: 38518967 DOI: 10.1016/j.jep.2024.118052] [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: 12/07/2023] [Revised: 02/20/2024] [Accepted: 03/12/2024] [Indexed: 03/24/2024]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Cholic acid (CA) is one of the main active ingredients in Calculus Bovis, a traditional Chinese medicine, which helps to regulate the heart and liver meridians, clearing the heart, opening the mouth, cooling the liver and calming the wind. However, the molecular mechanism of its liver protective effect is still unclear. AIM OF THE STUDY Growing attention has been directed towards traditional Chinese medicine (TCM), particularly Calculus Bovis, as a potential solution for liver protection. Despite this interest, a comprehensive understanding of its hepatoprotective mechanisms remains lacking. This research seeks to explore the potential protective properties of cholic acid (CA) against CCl4-induced acute liver injury (ALI) in mice, while also examining the mechanisms involved. MATERIALS AND METHODS In the experiment, a mouse model was employed to ALI using CCl4, and the potential therapeutic effects of orally administered CA at varying doses (15, 30, and 60 mg/kg) were assessed. The study employed a multi-faceted approach, integrating liver transcriptomics with serum metabolomics, and conducting thorough analyses of serum biochemical markers and liver histopathological sections. RESULTS Oral CA administration markedly reduced the organ indices of the liver, spleen, and thymus in comparison with the model group. It also elevated the expression of superoxide dismutase (SOD) in serum while diminishing the concentrations of ALT, AST, MDA, IL-6, and TNF-α. Moreover, CA ameliorated the pathological damage induced by CCl4. Integrated metabolomic and transcriptomic analyses indicated that the hepatoprotective action of CA on ALI is mediated through the modulation of lipid metabolic pathways-specifically, metabolisms of glycerophospholipid, arachidonic acid, as well as linoleic acid-and by altering the expression of genes such as Ptgr1, PLpp1, Tbxas1, and Cyp2c37. CONCLUSIONS The current investigation offers insights into the hepatoprotective mechanisms by which CA mitigates ALI caused by CCl4 exposure, thus supporting the further evaluation and development of CA-based therapeutics for ALI.
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Affiliation(s)
- Zhihong Zhang
- Key Laboratory of Basic and Application Research of Beiyao (Heilongjiang University of Chinese Medicine), Ministry of Education, Heilongjiang University of Chinese Medicine, Harbin, 150040, Heilongjiang, China
| | - Yanping Sun
- Key Laboratory of Basic and Application Research of Beiyao (Heilongjiang University of Chinese Medicine), Ministry of Education, Heilongjiang University of Chinese Medicine, Harbin, 150040, Heilongjiang, China
| | - Yuanning Zeng
- School of Traditional Chinese Medicine, Guangdong Pharmaceutical University, Guangzhou, 510006, Guangdong, China
| | - Na Cui
- Key Laboratory of Basic and Application Research of Beiyao (Heilongjiang University of Chinese Medicine), Ministry of Education, Heilongjiang University of Chinese Medicine, Harbin, 150040, Heilongjiang, China
| | - Biao Li
- Key Laboratory of Basic and Application Research of Beiyao (Heilongjiang University of Chinese Medicine), Ministry of Education, Heilongjiang University of Chinese Medicine, Harbin, 150040, Heilongjiang, China
| | - Wensen Zhang
- Key Laboratory of Basic and Application Research of Beiyao (Heilongjiang University of Chinese Medicine), Ministry of Education, Heilongjiang University of Chinese Medicine, Harbin, 150040, Heilongjiang, China
| | - Haodong Bai
- Key Laboratory of Basic and Application Research of Beiyao (Heilongjiang University of Chinese Medicine), Ministry of Education, Heilongjiang University of Chinese Medicine, Harbin, 150040, Heilongjiang, China
| | - Na Xing
- Zhongshan Institute for Drug Discovery, SIMM CAS, Zhongshan, Guangdong, China
| | - Haixue Kuang
- Key Laboratory of Basic and Application Research of Beiyao (Heilongjiang University of Chinese Medicine), Ministry of Education, Heilongjiang University of Chinese Medicine, Harbin, 150040, Heilongjiang, China.
| | - Qiuhong Wang
- Key Laboratory of Basic and Application Research of Beiyao (Heilongjiang University of Chinese Medicine), Ministry of Education, Heilongjiang University of Chinese Medicine, Harbin, 150040, Heilongjiang, China.
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11
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Nie X, Lu Q, Yin Y, He Z, Bai Y, Zhu C. Microbiome and metabolome analyses reveal significant alterations of gut microbiota and bile acid metabolism in ETEC-challenged weaned piglets by dietary berberine supplementation. Front Microbiol 2024; 15:1428287. [PMID: 38983627 PMCID: PMC11231202 DOI: 10.3389/fmicb.2024.1428287] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2024] [Accepted: 06/06/2024] [Indexed: 07/11/2024] Open
Abstract
This study mainly investigated the effects of berberine (BBR) on the bile acid metabolism in gut-liver axis and the microbial community in large intestine of weaned piglets challenged with enterotoxigenic Escherichia coli (ETEC) by microbiome and metabolome analyses. Sixty-four piglets were randomly assigned to four groups including Control group, BBR group, ETEC group, and BBR + ETEC group. Dietary BBR supplementation upregulated the colonic mRNA expression of Occludin, Claudin-5, trefoil factor 3 (TFF3), and interleukin (IL)-10, and downregulated colonic IL-1β and IL-8 mRNA expression in piglets challenged with ETEC K88 (p < 0.05). The hepatic non-targeted metabolome results showed that dietary BBR supplementation enriched the metabolic pathways of primary bile acid biosynthesis, tricarboxylic acid cycle, and taurine metabolism. The hepatic targeted metabolome analyses showed that BBR treatment increased the hepatic concentrations of taurocholic acid (TCA) and taurochenodeoxycholic acid (TDCA), but decreased the hepatic cholic acid (CA) concentration (p < 0.05). Further intestinal targeted metabolome analyses indicated that the deoxycholic acid (DCA), hyocholic acid (HCA), 7-ketodeoxycholic acid (7-KDCA), and the unconjugated bile acid concentrations in ileal mucosa was decreased by dietary BBR treatment (p < 0.05). Additionally, BBR treatment significantly upregulated the hepatic holesterol 7 α-hydroxylase (CYP7A1) and sterol 27-hydroxylase (CYP27A1) mRNA expression, and upregulated the ileal mRNA expression of farnesoid X receptor (FXR) and apical sodium-dependent bile acid transporter (ASBT) as well as the colonic mRNA expression of FXR, fibroblast growth factor19 (FGF19), takeda G protein-coupled receptor 5 (TGR5) and organic solute transporters beta (OST-β) in piglets (p < 0.05). Moreover, the microbiome analysis showed that BBR significantly altered the composition and diversity of colonic and cecal microbiota community, with the abundances of Firmicutes (phylum), and Lactobacillus and Megasphaera (genus) significantly increased in the large intestine of piglets (p < 0.05). Spearman correlation analysis showed that the relative abundances of Megasphaera (genus) were positively correlated with Claudin-5, Occludin, TFF3, and hepatic TCDCA concentration, but negatively correlated with hepatic CA and glycocholic acid (GCA) concentration (p < 0.05). Moreover, the relative abundances of Firmicute (phylum) and Lactobacillus (genus) were positively correlated with hepatic TCDCA concentration (p < 0.05). Collectively, dietary BBR supplementation could regulate the gut microbiota and bile acid metabolism through modulation of gut-liver axis, and attenuate the decreased intestinal tight junction expression caused by ETEC, which might help maintain intestinal homeostasis in weaned piglets.
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Affiliation(s)
- Xiaoyan Nie
- School of Life Science and Engineering, Foshan University, Foshan, China
| | - Qi Lu
- School of Life Science and Engineering, Foshan University, Foshan, China
| | - Yucheng Yin
- School of Life Science and Engineering, Foshan University, Foshan, China
| | - Zhentao He
- School of Life Science and Engineering, Foshan University, Foshan, China
| | - Yinshan Bai
- School of Life Science and Engineering, Foshan University, Foshan, China
- Guangdong Province Doctoral Workstation, Shanwei Xinsheng Leisure Agriculture Co., Ltd, Shanwei, China
| | - Cui Zhu
- School of Life Science and Engineering, Foshan University, Foshan, China
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12
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Li C, Zhang P, Xie Y, Wang S, Guo M, Wei X, Zhang K, Cao D, Zhou R, Wang S, Song X, Zhu S, Pan W. Enterococcus-derived tyramine hijacks α 2A-adrenergic receptor in intestinal stem cells to exacerbate colitis. Cell Host Microbe 2024; 32:950-963.e8. [PMID: 38788722 DOI: 10.1016/j.chom.2024.04.020] [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: 12/08/2023] [Revised: 03/28/2024] [Accepted: 04/30/2024] [Indexed: 05/26/2024]
Abstract
Inflammatory bowel disease (IBD) is characterized by dysbiosis of the gut microbiota and dysfunction of intestinal stem cells (ISCs). However, the direct interactions between IBD microbial factors and ISCs are undescribed. Here, we identify α2A-adrenergic receptor (ADRA2A) as a highly expressed GPCR in ISCs. Through PRESTO-Tango screening, we demonstrate that tyramine, primarily produced by Enterococcus via tyrosine decarboxylase (tyrDC), serves as a microbial ligand for ADRA2A. Using an engineered tyrDC-deficient Enterococcus faecalis strain and intestinal epithelial cell-specific Adra2a knockout mice, we show that Enterococcus-derived tyramine suppresses ISC proliferation, thereby impairing epithelial regeneration and exacerbating DSS-induced colitis through ADRA2A. Importantly, blocking the axis with an ADRA2A antagonist, yohimbine, disrupts tyramine-mediated suppression on ISCs and alleviates colitis. Our findings highlight a microbial ligand-GPCR pair in ISCs, revealing a causal link between microbial regulation of ISCs and colitis exacerbation and yielding a targeted therapeutic approach to restore ISC function in colitis.
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Affiliation(s)
- Chaoliang Li
- Department of Digestive Disease, The First Affiliated Hospital of University of Science and Technology of China, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei 230001, China; Key Laboratory of immune response and immunotherapy, Center for Advanced Interdisciplinary Science and Biomedicine of IHM, School of Basic Medical Sciences, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei 230001, China
| | - Panrui Zhang
- Department of Digestive Disease, The First Affiliated Hospital of University of Science and Technology of China, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei 230001, China; Key Laboratory of immune response and immunotherapy, Center for Advanced Interdisciplinary Science and Biomedicine of IHM, School of Basic Medical Sciences, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei 230001, China
| | - Yadong Xie
- State Key Laboratory of Cell Biology, Shanghai Institute of Biochemistry and Cell Biology, Center for Excellence in Molecular Cell Science, Chinese Academy of Sciences, University of Chinese Academy of Sciences, Shanghai 200031, China
| | - Shishan Wang
- State Key Laboratory of Molecular Biology, Shanghai Institute of Biochemistry and Cell Biology, Center for Excellence in Molecular Cell Science, Chinese Academy of Sciences, University of Chinese Academy of Sciences, Shanghai 200031, China
| | - Meng Guo
- Department of Digestive Disease, The First Affiliated Hospital of University of Science and Technology of China, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei 230001, China; Key Laboratory of immune response and immunotherapy, Center for Advanced Interdisciplinary Science and Biomedicine of IHM, School of Basic Medical Sciences, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei 230001, China
| | - Xiaowei Wei
- Department of Digestive Disease, The First Affiliated Hospital of University of Science and Technology of China, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei 230001, China; Key Laboratory of immune response and immunotherapy, Center for Advanced Interdisciplinary Science and Biomedicine of IHM, School of Basic Medical Sciences, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei 230001, China
| | - Kaiguang Zhang
- Department of Digestive Disease, The First Affiliated Hospital of University of Science and Technology of China, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei 230001, China
| | - Dan Cao
- Department of Digestive Disease, The First Affiliated Hospital of University of Science and Technology of China, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei 230001, China; Key Laboratory of immune response and immunotherapy, Center for Advanced Interdisciplinary Science and Biomedicine of IHM, School of Basic Medical Sciences, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei 230001, China
| | - Rongbin Zhou
- Key Laboratory of immune response and immunotherapy, Center for Advanced Interdisciplinary Science and Biomedicine of IHM, School of Basic Medical Sciences, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei 230001, China
| | - Sheng Wang
- State Key Laboratory of Molecular Biology, Shanghai Institute of Biochemistry and Cell Biology, Center for Excellence in Molecular Cell Science, Chinese Academy of Sciences, University of Chinese Academy of Sciences, Shanghai 200031, China
| | - Xinyang Song
- State Key Laboratory of Cell Biology, Shanghai Institute of Biochemistry and Cell Biology, Center for Excellence in Molecular Cell Science, Chinese Academy of Sciences, University of Chinese Academy of Sciences, Shanghai 200031, China.
| | - Shu Zhu
- Department of Digestive Disease, The First Affiliated Hospital of University of Science and Technology of China, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei 230001, China; Key Laboratory of immune response and immunotherapy, Center for Advanced Interdisciplinary Science and Biomedicine of IHM, School of Basic Medical Sciences, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei 230001, China.
| | - Wen Pan
- Department of Digestive Disease, The First Affiliated Hospital of University of Science and Technology of China, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei 230001, China; Key Laboratory of immune response and immunotherapy, Center for Advanced Interdisciplinary Science and Biomedicine of IHM, School of Basic Medical Sciences, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei 230001, China.
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13
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Shi R, Wang B. Nutrient metabolism in regulating intestinal stem cell homeostasis. Cell Prolif 2024; 57:e13602. [PMID: 38386338 PMCID: PMC11150145 DOI: 10.1111/cpr.13602] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2023] [Revised: 01/02/2024] [Accepted: 01/05/2024] [Indexed: 02/23/2024] Open
Abstract
Intestinal stem cells (ISCs) are known for their remarkable proliferative capacity, making them one of the most active cell populations in the body. However, a high turnover rate of intestinal epithelium raises the likelihood of dysregulated homeostasis, which is known to cause various diseases, including cancer. Maintaining precise control over the homeostasis of ISCs is crucial to preserve the intestinal epithelium's integrity during homeostasis or stressed conditions. Recent research has indicated that nutrients and metabolic pathways can extensively modulate the fate of ISCs. This review will explore recent findings concerning the influence of various nutrients, including lipids, carbohydrates, and vitamin D, on the delicate balance between ISC proliferation and differentiation.
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Affiliation(s)
- Ruicheng Shi
- Department of Comparative Biosciences, College of Veterinary MedicineUniversity of Illinois at Urbana‐ChampaignUrbanaIllinoisUSA
| | - Bo Wang
- Department of Comparative Biosciences, College of Veterinary MedicineUniversity of Illinois at Urbana‐ChampaignUrbanaIllinoisUSA
- Division of Nutritional Sciences, College of Agricultural, Consumer and Environmental SciencesUniversity of Illinois at Urbana‐ChampaignUrbanaIllinoisUSA
- Cancer Center at IllinoisUniversity of Illinois at Urbana‐ChampaignUrbanaIllinoisUSA
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14
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Raya Tonetti F, Eguileor A, Mrdjen M, Pathak V, Travers J, Nagy LE, Llorente C. Gut-liver axis: Recent concepts in pathophysiology in alcohol-associated liver disease. Hepatology 2024:01515467-990000000-00873. [PMID: 38691396 DOI: 10.1097/hep.0000000000000924] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/13/2024] [Accepted: 04/20/2024] [Indexed: 05/03/2024]
Abstract
The growing recognition of the role of the gut microbiome's impact on alcohol-associated diseases, especially in alcohol-associated liver disease, emphasizes the need to understand molecular mechanisms involved in governing organ-organ communication to identify novel avenues to combat alcohol-associated diseases. The gut-liver axis refers to the bidirectional communication and interaction between the gut and the liver. Intestinal microbiota plays a pivotal role in maintaining homeostasis within the gut-liver axis, and this axis plays a significant role in alcohol-associated liver disease. The intricate communication between intestine and liver involves communication between multiple cellular components in each organ that enable them to carry out their physiological functions. In this review, we focus on novel approaches to understanding how chronic alcohol exposure impacts the microbiome and individual cells within the liver and intestine, as well as the impact of ethanol on the molecular machinery required for intraorgan and interorgan communication.
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Affiliation(s)
- Fernanda Raya Tonetti
- Department of Medicine, University of California San Diego, La Jolla, California, USA
| | - Alvaro Eguileor
- Department of Medicine, University of California San Diego, La Jolla, California, USA
| | - Marko Mrdjen
- Department of Molecular Medicine, Case Western Reserve University, Cleveland, Ohio, USA
- Department of Inflammation and Immunity, Cleveland Clinic, Cleveland, Ohio, USA
| | - Vai Pathak
- Department of Quantitative Health Sciences, Cleveland Clinic, Cleveland, Ohio, USA
| | - Jared Travers
- Department of Inflammation and Immunity, Cleveland Clinic, Cleveland, Ohio, USA
- Department of Gastroenterology and Hepatology, University Hospital, Cleveland, Ohio, USA
| | - Laura E Nagy
- Department of Molecular Medicine, Case Western Reserve University, Cleveland, Ohio, USA
- Department of Inflammation and Immunity, Cleveland Clinic, Cleveland, Ohio, USA
- Department of Gastroenterology and Hepatology, Cleveland Clinic, Cleveland, Ohio, USA
| | - Cristina Llorente
- Department of Medicine, University of California San Diego, La Jolla, California, USA
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15
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Li H, Wang G, Yan X, Hu X, Li J. Effects of acetyl groups on the prebiotic properties of glucomannan extracted from Artemisia sphaerocephala Krasch seeds. Carbohydr Polym 2024; 330:121805. [PMID: 38368082 DOI: 10.1016/j.carbpol.2024.121805] [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: 10/23/2023] [Revised: 01/04/2024] [Accepted: 01/08/2024] [Indexed: 02/19/2024]
Abstract
This study explores the structural modification of glucomannan extracted from Artemisia sphaerocephala Krasch seeds (60S) to assess the impact of acetyl groups on its prebiotic characteristics. The structural changes were examined, with a focus on the degree of acetyl group substitution (DS). Both deacetylation and acetylation had limited influence on the molecular properties of 60S. Despite these modifications, the apparent viscosity of all samples remained consistently low. In vitro fermentation experiments revealed that Escherichia-Shigella decreased as DS increased, while Bacteroides ovatus was enriched. Acetylation had no significant impact on the utilization rate of 60S but led to a reduction in the production of propionic acid. Furthermore, untargeted metabolomics analysis confirmed the changes in propionic acid levels. Notably, metabolites such as N-acetyl-L-tyrosine, γ-muricholic acid, and taurocholate were upregulated by acetylated derivatives. Overall, acetyl groups are speculated to play a pivotal role in the prebiotic properties of 60S.
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Affiliation(s)
- Haocheng Li
- College of Enology, Northwest A&F University, Yangling 712100, Shaanxi, China
| | - Gongda Wang
- College of Enology, Northwest A&F University, Yangling 712100, Shaanxi, China
| | - Ximei Yan
- College of Chemistry & Pharmacy, Northwest A&F University, Yangling 712100, Shaanxi, China
| | - Xinzhong Hu
- College of Food Engineering and Nutritional Science, Shaanxi Normal University, Xi'an 710119, Shaanxi, China.
| | - Junjun Li
- College of Enology, Northwest A&F University, Yangling 712100, Shaanxi, China.
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Guo Z, He K, Pang K, Yang D, Lyu C, Xu H, Wu D. Exploring Advanced Therapies for Primary Biliary Cholangitis: Insights from the Gut Microbiota-Bile Acid-Immunity Network. Int J Mol Sci 2024; 25:4321. [PMID: 38673905 PMCID: PMC11050225 DOI: 10.3390/ijms25084321] [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: 03/13/2024] [Revised: 04/05/2024] [Accepted: 04/09/2024] [Indexed: 04/28/2024] Open
Abstract
Primary biliary cholangitis (PBC) is a cholestatic liver disease characterized by immune-mediated injury to small bile ducts. Although PBC is an autoimmune disease, the effectiveness of conventional immunosuppressive therapy is disappointing. Nearly 40% of PBC patients do not respond to the first-line drug UDCA. Without appropriate intervention, PBC patients eventually progress to liver cirrhosis and even death. There is an urgent need to develop new therapies. The gut-liver axis emphasizes the interconnection between the gut and the liver, and evidence is increasing that gut microbiota and bile acids play an important role in the pathogenesis of cholestatic diseases. Dysbiosis of gut microbiota, imbalance of bile acids, and immune-mediated bile duct injury constitute the triad of pathophysiology in PBC. Autoimmune cholangitis has the potential to be improved through immune system modulation. Considering the failure of conventional immunotherapies and the involvement of gut microbiota and bile acids in the pathogenesis, targeting immune factors associated with them, such as bile acid receptors, microbial-derived molecules, and related specific immune cells, may offer breakthroughs. Understanding the gut microbiota-bile acid network and related immune dysfunctions in PBC provides a new perspective on therapeutic strategies. Therefore, we summarize the latest advances in research of gut microbiota and bile acids in PBC and, for the first time, explore the possibility of related immune factors as novel immunotherapy targets. This article discusses potential therapeutic approaches focusing on regulating gut microbiota, maintaining bile acid homeostasis, their interactions, and related immune factors.
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Affiliation(s)
- Ziqi Guo
- Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100730, China; (Z.G.); (K.P.); (D.Y.)
| | - Kun He
- Department of Gastroenterology, State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100730, China; (K.H.); (C.L.)
| | - Ke Pang
- Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100730, China; (Z.G.); (K.P.); (D.Y.)
| | - Daiyu Yang
- Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100730, China; (Z.G.); (K.P.); (D.Y.)
| | - Chengzhen Lyu
- Department of Gastroenterology, State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100730, China; (K.H.); (C.L.)
| | - Haifeng Xu
- Department of Liver Surgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100730, China
| | - Dong Wu
- Department of Gastroenterology, State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100730, China; (K.H.); (C.L.)
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17
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Li Y, Xu T, Zhao Y, Zhang H, Liu Z, Wang H, Huang C, Shu Z, Gao L, Xie R, Jiao T, Zhang D, Zhang D, Liang X, Zang Y, Sun Y, Liu H, Li J, Zhou Y. Discovery and Optimization of Novel Nonbile Acid FXR Agonists as Preclinical Candidates for the Treatment of Inflammatory Bowel Disease. J Med Chem 2024; 67:5642-5661. [PMID: 38547240 DOI: 10.1021/acs.jmedchem.3c02304] [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: 04/12/2024]
Abstract
Inflammatory bowel disease (IBD) is a multifactorial chronic inflammation of the intestine and has become a global public health concern. A farnesoid X receptor (FXR) was recently reported to play a key role in hepatic-intestinal circulation, intestinal metabolism, immunity, and microbial regulation, and thus, it becomes a promising therapeutic target for IBD. In this study, we identified a series of nonbile acid FXR agonists, in which 33 novel compounds were designed and synthesized by the structure-based drug design strategy from our previously identified hit compound. Compound 33 exhibited a potent FXR agonistic activity, high intestinal distribution, good anti-inflammatory activity, and the ability to repair the colon epithelium in a DSS-induced acute enteritis model. Based on the results of RNA-seq analysis, we further investigated the therapeutic potential of the combination of compound 33 with 5-ASA. Overall, the results indicated that compound 33 is a promising drug candidate for IBD treatment.
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Affiliation(s)
- Yuan Li
- Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, 201203, China
| | - Tingting Xu
- School of Chinese Materia Medica, Nanjing University of Chinese Medicine, Nanjing, 210023, China
| | - Yue Zhao
- School of Chinese Materia Medica, Nanjing University of Chinese Medicine, Nanjing, 210023, China
| | - Hui Zhang
- School of Chinese Materia Medica, Nanjing University of Chinese Medicine, Nanjing, 210023, China
| | - Zesheng Liu
- School of Chinese Materia Medica, Nanjing University of Chinese Medicine, Nanjing, 210023, China
| | - Hao Wang
- Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, 201203, China
| | - Chaoying Huang
- School of Medicine, Shanghai University, Shanghai, 200444, China
| | - Zhihao Shu
- Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, 201203, China
| | - Lixin Gao
- Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, 201203, China
| | - Rongrong Xie
- Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, 201203, China
| | - Tingying Jiao
- Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, 201203, China
| | - Dan Zhang
- Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, 201203, China
| | - Dong Zhang
- Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, 201203, China
| | - Xuewu Liang
- Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, 201203, China
| | - Yi Zang
- Lingang laboratory, Shanghai, 201203, China
| | - Yili Sun
- Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, 201203, China
- Shandong Laboratory of Yantai Drug Discovery, Bohai Rim Advanced Research Institute for Drug Discovery, Yantai, Shandong 264117, China
| | - Hong Liu
- Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, 201203, China
- School of Chinese Materia Medica, Nanjing University of Chinese Medicine, Nanjing, 210023, China
- School of Pharmaceutical Science and Technology, Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences, Hangzhou, 310024, China
| | - Jia Li
- Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, 201203, China
- School of Chinese Materia Medica, Nanjing University of Chinese Medicine, Nanjing, 210023, China
- Shandong Laboratory of Yantai Drug Discovery, Bohai Rim Advanced Research Institute for Drug Discovery, Yantai, Shandong 264117, China
- School of Pharmaceutical Science and Technology, Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences, Hangzhou, 310024, China
| | - Yu Zhou
- Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, 201203, China
- School of Chinese Materia Medica, Nanjing University of Chinese Medicine, Nanjing, 210023, China
- School of Pharmaceutical Science and Technology, Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences, Hangzhou, 310024, China
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18
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Li L, Liu Y, Zhi N, Ji Y, Xu J, Mao G, Wang Y, Ma J, Wang Y. Hypoxic preconditioning accelerates the healing of ischemic intestinal injury by activating HIF-1α/PPARα pathway-mediated fatty acid oxidation. Cell Death Discov 2024; 10:164. [PMID: 38575595 PMCID: PMC10994932 DOI: 10.1038/s41420-024-01937-0] [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: 10/29/2023] [Revised: 03/25/2024] [Accepted: 03/26/2024] [Indexed: 04/06/2024] Open
Abstract
Hypoxic preconditioning (HPC) has been shown to improve organ tolerance to subsequent severe hypoxia or ischemia. However, its impact on intestinal ischemic injury has not been well studied. In this study, we evaluated the effects of HPC on intestinal ischemia in rats. Intestinal rehabilitation, levels of fatty acid oxidation (FAO) by-products, intestinal stem cells (ISCs), levels of hypoxia-inducible factor 1 subunit α (HIF-1α) and its downstream genes such as peroxisome proliferator-activated receptor α (PPARα), and carnitine palmitoyltransferase 1a (CPT1A) were assessed at distinct time intervals following intestinal ischemia with or without the interference of HIF-1α. Our data showed that HPC facilitates the restoration of the intestinal structure and enhances the FAO, by boosting intestinal stem cells. Additionally, HIF-1α, PPARα, and CPT1A mRNA and their protein levels were generally up-regulated in the small intestine of HPC rats as compared to the control group. Our vitro experiment also shows low-oxygen induces highly levels of HIF-1α and its downstream genes, with a concurrent increase in FAO products in IEC-6 cells. Furthermore, the above phenomenon could be reversed by silencing HIF-1α. In conclusion, we hypothesize that HPC can stimulate the activation of intestinal stem cells via HIF-1α/PPARα pathway-mediated FAO, thereby accelerating the healing process post ischemic intestinal injury.
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Affiliation(s)
- Linxia Li
- Department of Aerospace Medicine, Air Force Medical University, 710032, Xi'an, China
| | - Yanqi Liu
- Department of Aerospace Medicine, Air Force Medical University, 710032, Xi'an, China
| | - Na Zhi
- Department of Aerospace Medicine, Air Force Medical University, 710032, Xi'an, China
| | - Yaoxuan Ji
- Department of Aerospace Medicine, Air Force Medical University, 710032, Xi'an, China
| | - Jialing Xu
- Department of Aerospace Medicine, Air Force Medical University, 710032, Xi'an, China
| | - Guoyun Mao
- Department of Aerospace Medicine, Air Force Medical University, 710032, Xi'an, China
| | - Yazhou Wang
- Department of Neurobiology and Institute of Neurosciences, Air Force Medical University, 710032, Xi'an, China
| | - Jin Ma
- Department of Aerospace Medicine, Air Force Medical University, 710032, Xi'an, China.
| | - Yunying Wang
- Department of Aerospace Medicine, Air Force Medical University, 710032, Xi'an, China.
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Wu H, Ma W, Wang Y, Wang Y, Sun X, Zheng Q. Gut microbiome-metabolites axis: A friend or foe to colorectal cancer progression. Biomed Pharmacother 2024; 173:116410. [PMID: 38460373 DOI: 10.1016/j.biopha.2024.116410] [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: 01/09/2024] [Accepted: 03/06/2024] [Indexed: 03/11/2024] Open
Abstract
An expanding corpus of research robustly substantiates the complex interrelation between gut microbiota and the onset, progression, and metastasis of colorectal cancer. Investigations in both animal models and human subjects have consistently underscored the role of gut bacteria in a variety of metabolic activities, driven by dietary intake. These activities include amino acid metabolism, carbohydrate fermentation, and the generation and regulation of bile acids. These metabolic derivatives, in turn, have been identified as significant contributors to the progression of colorectal cancer. This thorough review meticulously explores the dynamic interaction between gut bacteria and metabolites derived from the breakdown of amino acids, fatty acid metabolism, and bile acid synthesis. Notably, bile acids have been recognized for their potential carcinogenic properties, which may expedite tumor development. Extensive research has revealed a reciprocal influence of gut microbiota on the intricate spectrum of colorectal cancer pathologies. Furthermore, strategies to modulate gut microbiota, such as dietary modifications or probiotic supplementation, may offer promising avenues for both the prevention and adjunctive treatment of colorectal cancer. Nevertheless, additional research is imperative to corroborate these findings and enhance our comprehension of the underlying mechanisms in colorectal cancer development.
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Affiliation(s)
- Hao Wu
- Department of Immunology, Basic Medicine College, China Medical University, No.77 Puhe Road, Shenyang North New Area, Shenyang, Liaoning Province, PR China
| | - Wenmeng Ma
- Department of Immunology, Basic Medicine College, China Medical University, No.77 Puhe Road, Shenyang North New Area, Shenyang, Liaoning Province, PR China
| | - Yiyao Wang
- Department of Immunology, Basic Medicine College, China Medical University, No.77 Puhe Road, Shenyang North New Area, Shenyang, Liaoning Province, PR China
| | - Yuanyuan Wang
- Department of anesthesiology, The Fourth Affiliated Hospital, China Medical University, Shenyang, Liaoning Province, PR China
| | - Xun Sun
- Department of Immunology, Basic Medicine College, China Medical University, No.77 Puhe Road, Shenyang North New Area, Shenyang, Liaoning Province, PR China.
| | - Qianqian Zheng
- Department of Pathophysiology, Basic Medicine College, China Medical University, No.77 Puhe Road, Shenyang North New Area, Shenyang, Liaoning Province, PR China.
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20
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Jin L, Shi L, Huang W. The role of bile acids in human aging. MEDICAL REVIEW (2021) 2024; 4:154-157. [PMID: 38680685 PMCID: PMC11046569 DOI: 10.1515/mr-2024-0003] [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: 01/17/2024] [Accepted: 02/20/2024] [Indexed: 05/01/2024]
Abstract
Bile acids are recognized as important signaling molecules that enable fine-tuned inter-communication from the liver, through the intestine, to virtually any organ, thus encouraging their pleiotropic physiological effects. Aging is a complex natural process defined as a progressive decline in cellular and organismal functions. A causal link between bile acids and the aging process is emerging. However, there are gaps in our understanding of the molecular mechanisms and precise targets responsible for the alteration of bile acid profiles and their role in the aging process. Intestinal barrier dysfunction leads to endotoxemia, systemic inflammation, insulin resistance, diabetes, lipid accumulation, obesity and fatty liver diseases, and health decline and death. In fact, intestinal barrier dysfunction is suggested to be an evolutionarily conserved hallmark of aging. Bile acids may modulate the aging process by regulating intestinal barrier integrity.
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Affiliation(s)
- Lihua Jin
- Department of Diabetes Complications and Metabolism, Arthur Riggs Diabetes and Metabolism Research Institute, Beckman Research Institute, institution-id-type="Ringgold" />City of Hope National Medical Center, Duarte, CA, USA
| | - Linsen Shi
- Department of Diabetes Complications and Metabolism, Arthur Riggs Diabetes and Metabolism Research Institute, Beckman Research Institute, institution-id-type="Ringgold" />City of Hope National Medical Center, Duarte, CA, USA
| | - Wendong Huang
- Department of Diabetes Complications and Metabolism, Arthur Riggs Diabetes and Metabolism Research Institute, Beckman Research Institute, institution-id-type="Ringgold" />City of Hope National Medical Center, Duarte, CA, USA
- Irell & Manella Graduate School of Biomedical Science, institution-id-type="Ringgold" />City of Hope National Medical Center, Duarte, CA, USA
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21
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Kong L, Chen S, Huang S, Zheng A, Gao S, Ye J, Hua C. Challenges and opportunities in inflammatory bowel disease: from current therapeutic strategies to organoid-based models. Inflamm Res 2024; 73:541-562. [PMID: 38345635 DOI: 10.1007/s00011-024-01854-z] [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: 11/12/2023] [Revised: 01/20/2024] [Accepted: 01/24/2024] [Indexed: 07/23/2024] Open
Abstract
BACKGROUND Inflammatory bowel disease (IBD) is an increasingly prevalent global health concern that has garnered substantial attention. However, the underlying mechanisms are still unclear and the current treatments have significant limitations. Intestinal organoids provide an in vitro model to explore the pathogenesis, test the therapeutic effects, and develop regenerative treatments as well as offer the potential to transform drug discovery of IBD. METHODS To advance our understanding of the whole story of IBD spanning from the pathogenesis to the current therapeutic strategies and latest advancements, a comprehensive search of major databases including PubMed, Scopus, and Web of Science was conducted to retrieve original articles and reviews related to IBD, organoids, pathogenesis and therapy. RESULTS This review deciphers the etiopathogenesis and the current therapeutic approaches in the treatment of IBD. Notably, critical aspects of intestinal organoids in IBD, such as their potential applications, viability, cell renewal ability, and barrier functionality are highlighted. We also discuss the advances, limitations, and prospects of intestinal organoids for precision medicine. CONCLUSION The latest strides made in research about intestinal organoids help elucidate intricate aspects of IBD pathogenesis, and pave the prospective avenues for novel therapeutic interventions.
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Affiliation(s)
- Lingjie Kong
- School of the 2nd Clinical Medical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang, 325035, China
| | - Siyan Chen
- School of Ophthalmology & Optometry, School of Biomedical Engineering, Wenzhou Medical University, Wenzhou, Zhejiang, 325035, China
| | - Shenghao Huang
- School of the 2nd Clinical Medical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang, 325035, China
| | - Anzhe Zheng
- School of the 2nd Clinical Medical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang, 325035, China
| | - Sheng Gao
- Laboratory Animal Center, Wenzhou Medical University, Wenzhou, Zhejiang, 325035, China.
| | - Jianzhong Ye
- Department of Clinical Laboratory, Key Laboratory of Clinical Laboratory Diagnosis and Translational Research of Zhejiang Province, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China.
| | - Chunyan Hua
- School of Basic Medical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang, 325035, China.
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22
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Gao Y, Huang R, Qiu Y, Liu Y, Chen L. Characterization of the chemical composition of different parts of Dolichos lablab L. and revelation of its anti-ulcerative colitis effects by modulating the gut microbiota and host metabolism. JOURNAL OF ETHNOPHARMACOLOGY 2024; 322:117629. [PMID: 38135234 DOI: 10.1016/j.jep.2023.117629] [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: 09/27/2023] [Revised: 12/13/2023] [Accepted: 12/19/2023] [Indexed: 12/24/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Ulcerative colitis (UC) is a non-specific inflammatory disease characterized by long duration and easy relapse. Dolichos lablab L. (DLL) belongs to the family Fabaceae, was listed in a famous Chinese medical classic, Compendium of Materia Medic, and described as possessing features that invigorate the spleen, alleviate dampness, provide diarrhea relief, and other effects. The DLL-dried white mature seeds (DS) and dried flower (DF), which hold significant medicinal value in China, were used in clinical prescriptions to prevent and treat UC. DS and DF have appeared in different editions of the Pharmacopoeia of the People's Republic of China from 1977 to 2020. However, their chemical composition, pharmacological effects, and mechanism of treating UC are unclear. AIM OF THE STUDY This study aimed to characterize the chemical composition of different parts of DLL (seeds and flowers), further explore their pharmacological effects, and elaborate its underlying mechanism of treating UC. METHODS The chemical composition of DS and DF crude polysaccharides (DSP and DFP) and ethanolic extracts (DSE and DFE) were characterized by high-performance anion-exchange chromatography (HPAEC), ultra-high performance liquid chromatography-mass spectrometry (UHPLC-MS), and gas chromatography-mass spectrometry (GC-MS). Then, based on the acute UC mice model, the pharmacodynamic effects were investigated by Western blotting, ELISA, and other methods. Finally, the 16S rRNA gene sequencing and metabonomic analysis were used to explore the regulatory effects of DS and DF on intestinal microbiota and host metabolism. RESULTS DSE and DFE inhibited the oxidative stress response, reducing proinflammatory factor production and maintaining intestinal barrier integrity in UC mice. The 16S rRNA gene sequencing and metabonomic analysis revealed that DS and DF treated UC by regulating the intestinal microbiota structure and reversing the abnormal metabolism of the host. CONCLUSION This study suggested that different parts of DLL (flowers and seeds) may be potential medicines for treating UC, which exert their therapeutic effects through various active ingredients and might contribute significantly to reducing the economic pressures and challenges of UC treatment worldwide.
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Affiliation(s)
- Yanping Gao
- School of Traditional Chinese Medicine, Guangdong Pharmaceutical University, Guangzhou, 510006, China
| | - Ruiting Huang
- School of Traditional Chinese Medicine, Guangdong Pharmaceutical University, Guangzhou, 510006, China
| | - Yongyi Qiu
- School of Traditional Chinese Medicine, Guangdong Pharmaceutical University, Guangzhou, 510006, China
| | - Yi Liu
- School of Chinese Medicine, Southern Medical University, Guangzhou, 510515, China.
| | - Lei Chen
- School of Traditional Chinese Medicine, Guangdong Pharmaceutical University, Guangzhou, 510006, China.
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Xu J, Peng WR, Zhang D, Sun HX, Li L, Sun F, Gu ZC, Lin HW. Marine sponge-derived alkaloid ameliorates DSS-induced IBD via inhibiting IL-6 expression through modulating JAK2-STAT3-SOCS3 pathway. Int Immunopharmacol 2024; 129:111576. [PMID: 38350353 DOI: 10.1016/j.intimp.2024.111576] [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: 11/11/2023] [Revised: 01/05/2024] [Accepted: 01/18/2024] [Indexed: 02/15/2024]
Abstract
Cyanogramide (AC14), a novel alkaloid, isolated from the fermentation broth of the marine-derived Actinoalloteichus cyanogriseus. However, the exact role of AC14 in inflammatory bowel disease (IBD) is poorly understood. Our results demonstrated that AC14 exhibited significant inhibition of IL-6 release in THP-1 cells and a "Caco-2/THP-1" coculture system after stimulation with LPS for 24 h. However, no significant effect on TNF-α production was observed. Furthermore, in 2.5 % DSS-induced colitis mice, AC14 treatment led to improvement in body weight, colon length, and intestine mucosal barrier integrity. AC14 also suppressed serum IL-6 production and modulated dysregulated microbiota in the mice. Mechanistically, AC14 was found to inhibit the phosphorylation of Janus kinase (JAK) 2 and signal transducers and activators of transcription (STAT) 3, while simultaneously elevating the expression of suppressor of cytokine signaling (SOCS) 3, both in vivo and in vitro. These findings suggest that AC14 exerts its suppressive effects on IL-6 production in DSS-induced IBD mice through the JAK2-STAT3-SOCS3 signaling pathway. Our study highlights the potential of AC14 as a therapeutic agent for the treatment of IBD.
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Affiliation(s)
- Jing Xu
- School of Medicine, Tongji University, Shanghai 200092, People's Republic of China; Research Center for Marine Drugs, Department of Pharmacy, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200127, People's Republic of China
| | - Wen-Rui Peng
- Research Center for Marine Drugs, Department of Pharmacy, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200127, People's Republic of China; School of Pharmacy, Shanghai Jiao Tong University, Shanghai 200240, People's Republic of China
| | - Die Zhang
- Research Center for Marine Drugs, Department of Pharmacy, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200127, People's Republic of China
| | - Hong-Xin Sun
- Research Center for Marine Drugs, Department of Pharmacy, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200127, People's Republic of China
| | - Lei Li
- Research Center for Marine Drugs, Department of Pharmacy, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200127, People's Republic of China
| | - Fan Sun
- Research Center for Marine Drugs, Department of Pharmacy, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200127, People's Republic of China.
| | - Zhi-Chun Gu
- Research Center for Marine Drugs, Department of Pharmacy, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200127, People's Republic of China.
| | - Hou-Wen Lin
- School of Medicine, Tongji University, Shanghai 200092, People's Republic of China; Research Center for Marine Drugs, Department of Pharmacy, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200127, People's Republic of China.
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24
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Schreiber F, Balas I, Robinson MJ, Bakdash G. Border Control: The Role of the Microbiome in Regulating Epithelial Barrier Function. Cells 2024; 13:477. [PMID: 38534321 DOI: 10.3390/cells13060477] [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: 02/16/2024] [Revised: 03/01/2024] [Accepted: 03/03/2024] [Indexed: 03/28/2024] Open
Abstract
The gut mucosal epithelium is one of the largest organs in the body and plays a critical role in regulating the crosstalk between the resident microbiome and the host. To this effect, the tight control of what is permitted through this barrier is of high importance. There should be restricted passage of harmful microorganisms and antigens while at the same time allowing the absorption of nutrients and water. An increased gut permeability, or "leaky gut", has been associated with a variety of diseases ranging from infections, metabolic diseases, and inflammatory and autoimmune diseases to neurological conditions. Several factors can affect gut permeability, including cytokines, dietary components, and the gut microbiome. Here, we discuss how the gut microbiome impacts the permeability of the gut epithelial barrier and how this can be harnessed for therapeutic purposes.
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25
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Fan Y, Keerthisinghe TP, Nian M, Cao X, Chen X, Yang Q, Sampathkumar K, Loo JSC, Ng KW, Demokritou P, Fang M. Comparative secretome metabolic dysregulation by six engineered dietary nanoparticles (EDNs) on the simulated gut microbiota. JOURNAL OF HAZARDOUS MATERIALS 2024; 465:133003. [PMID: 38029586 DOI: 10.1016/j.jhazmat.2023.133003] [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: 08/25/2023] [Revised: 10/27/2023] [Accepted: 11/12/2023] [Indexed: 12/01/2023]
Abstract
The potential use of engineered dietary nanoparticles (EDNs) in diet has been increasing and poses a risk of exposure. The effect of EDNs on gut bacterial metabolism remains largely unknown. In this study, liquid chromatography-mass spectrometry (LC-MS) based metabolomics was used to reveal significantly altered metabolites and metabolic pathways in the secretome of simulated gut microbiome exposed to six different types of EDNs (Chitosan, cellulose nanocrystals (CNC), cellulose nanofibrils (CNF) and polylactic-co-glycolic acid (PLGA); two inorganic EDNs including TiO2 and SiO2) at two dietary doses. We demonstrated that all six EDNs can alter the composition in the secretome with distinct patterns. Chitosan, followed by PLGA and SiO2, has shown the highest potency in inducing the secretome change with major pathways in tryptophan and indole metabolism, bile acid metabolism, tyrosine and phenol metabolism. Metabolomic alterations with clear dose response were observed in most EDNs. Overall, phenylalanine has been shown as the most sensitive metabolites, followed by bile acids such as chenodeoxycholic acid and cholic acid. Those metabolites might be served as the representative metabolites for the EDNs-gut bacteria interaction. Collectively, our studies have demonstrated the sensitivity and feasibility of using metabolomic signatures to understand and predict EDNs-gut microbiome interaction.
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Affiliation(s)
- Yijun Fan
- Department of Obstetrics and Gynecology, The Second Affiliated Hospital of Anhui Medical University, No 678 Furong Road, Hefei 230601, Anhui, China
| | | | - Min Nian
- Department of Environmental Science and Engineering, Fudan University, Shanghai 200433, China
| | - Xiaoqiong Cao
- Center for Nanotechnology and Nanotoxicology, Department of Environmental Health, T.H. Chan School of Public Health, Harvard University, 655 Huntington Ave, Boston, MA 02115, USA
| | - Xing Chen
- Department of Environmental Science and Engineering, Fudan University, Shanghai 200433, China
| | - Qin Yang
- Nanyang Environment and Water Research Institute, Nanyang Technological University, 637141, Singapore
| | - Kaarunya Sampathkumar
- School of Materials Science and Engineering, Nanyang Technological University, 50 Nanyang Avenue, 639798, Singapore
| | - Joachim Say Chye Loo
- School of Materials Science and Engineering, Nanyang Technological University, 50 Nanyang Avenue, 639798, Singapore
| | - Kee Woei Ng
- School of Materials Science and Engineering, Nanyang Technological University, 50 Nanyang Avenue, 639798, Singapore
| | - Philip Demokritou
- Center for Nanotechnology and Nanotoxicology, Department of Environmental Health, T.H. Chan School of Public Health, Harvard University, 655 Huntington Ave, Boston, MA 02115, USA
| | - Mingliang Fang
- Department of Environmental Science and Engineering, Fudan University, Shanghai 200433, China; Institute of Eco-Chongming, Shanghai 202162, China.
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Wei W, Liu Y, Hou Y, Cao S, Chen Z, Zhang Y, Cai X, Yan Q, Li Z, Yuan Y, Wang G, Zheng X, Hao H. Psychological stress-induced microbial metabolite indole-3-acetate disrupts intestinal cell lineage commitment. Cell Metab 2024; 36:466-483.e7. [PMID: 38266651 DOI: 10.1016/j.cmet.2023.12.026] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/23/2023] [Revised: 11/12/2023] [Accepted: 12/21/2023] [Indexed: 01/26/2024]
Abstract
The brain and gut are intricately connected and respond to various stimuli. Stress-induced brain-gut communication is implicated in the pathogenesis and relapse of gut disorders. The mechanism that relays psychological stress to the intestinal epithelium, resulting in maladaptation, remains poorly understood. Here, we describe a stress-responsive brain-to-gut metabolic axis that impairs intestinal stem cell (ISC) lineage commitment. Psychological stress-triggered sympathetic output enriches gut commensal Lactobacillus murinus, increasing the production of indole-3-acetate (IAA), which contributes to a transferrable loss of intestinal secretory cells. Bacterial IAA disrupts ISC mitochondrial bioenergetics and thereby prevents secretory lineage commitment in a cell-intrinsic manner. Oral α-ketoglutarate supplementation bolsters ISC differentiation and confers resilience to stress-triggered intestinal epithelial injury. We confirm that fecal IAA is higher in patients with mental distress and is correlated with gut dysfunction. These findings uncover a microbe-mediated brain-gut pathway that could be therapeutically targeted for stress-driven gut-brain comorbidities.
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Affiliation(s)
- Wei Wei
- State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing 211198, China; Laboratory of Metabolic Regulation and Drug Target Discovery, School of Pharmacy, China Pharmaceutical University, Nanjing 210009, China
| | - Yali Liu
- State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing 211198, China; Laboratory of Metabolic Regulation and Drug Target Discovery, School of Pharmacy, China Pharmaceutical University, Nanjing 210009, China; State Key Laboratory of Digestive Diseases, The Chinese University of Hong Kong, Hong Kong 999077, China
| | - Yuanlong Hou
- State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing 211198, China; Laboratory of Metabolic Regulation and Drug Target Discovery, School of Pharmacy, China Pharmaceutical University, Nanjing 210009, China; Department of Pharmacy, Shenzhen Luohu People's Hospital, Shenzhen 518005, China
| | - Shuqi Cao
- State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing 211198, China; Laboratory of Metabolic Regulation and Drug Target Discovery, School of Pharmacy, China Pharmaceutical University, Nanjing 210009, China
| | - Zhuo Chen
- State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing 211198, China; Laboratory of Metabolic Regulation and Drug Target Discovery, School of Pharmacy, China Pharmaceutical University, Nanjing 210009, China
| | - Youying Zhang
- State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing 211198, China; Laboratory of Metabolic Regulation and Drug Target Discovery, School of Pharmacy, China Pharmaceutical University, Nanjing 210009, China
| | - Xiaoying Cai
- State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing 211198, China; Laboratory of Metabolic Regulation and Drug Target Discovery, School of Pharmacy, China Pharmaceutical University, Nanjing 210009, China
| | - Qingyuan Yan
- State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing 211198, China; Laboratory of Metabolic Regulation and Drug Target Discovery, School of Pharmacy, China Pharmaceutical University, Nanjing 210009, China
| | - Ziguang Li
- State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing 211198, China; Laboratory of Metabolic Regulation and Drug Target Discovery, School of Pharmacy, China Pharmaceutical University, Nanjing 210009, China
| | - Yonggui Yuan
- Department of Psychosomatics and Psychiatry, Zhongda Hospital, School of Medicine, Southeast University, Nanjing 210009, China.
| | - Guangji Wang
- State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing 211198, China; Laboratory of Metabolic Regulation and Drug Target Discovery, School of Pharmacy, China Pharmaceutical University, Nanjing 210009, China.
| | - Xiao Zheng
- State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing 211198, China; Laboratory of Metabolic Regulation and Drug Target Discovery, School of Pharmacy, China Pharmaceutical University, Nanjing 210009, China.
| | - Haiping Hao
- State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing 211198, China; Laboratory of Metabolic Regulation and Drug Target Discovery, School of Pharmacy, China Pharmaceutical University, Nanjing 210009, China.
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Dong X, Gong LL, Hong MZ, Pan JS. Investigating the shared genetic architecture between primary sclerosing cholangitis and inflammatory bowel diseases: a Mendelian randomization study. BMC Gastroenterol 2024; 24:77. [PMID: 38373892 PMCID: PMC10875759 DOI: 10.1186/s12876-024-03162-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/10/2023] [Accepted: 02/07/2024] [Indexed: 02/21/2024] Open
Abstract
BACKGROUND Several studies have found that primary sclerosing cholangitis (PSC) and inflammatory bowel disease (IBD) are closely associated. However, the direction and causality of their interactions remain unclear. Thus, this study employs Mendelian Randomization to explore whether there are causal associations of genetically predicted PSC with IBD. METHODS Genetic variants associated with the genome-wide association study (GWAS) of PSC were used as instrumental variables. The statistics for IBD, including ulcerative colitis (UC), and Crohn's disease (CD) were derived from GWAS. Then, five methods were used to estimate the effects of genetically predicted PSC on IBD, including MR Egger, Weighted median (WM), Inverse variance weighted (IVW), Simple mode, and Weighted mode. Last, we also evaluated the pleiotropic effects, heterogeneity, and a leave-one-out sensitivity analysis that drives causal associations to confirm the validity of the analysis. RESULTS Genetically predicted PSC was significantly associated with an increased risk of UC, according to the study (odds ratio [OR] IVW= 1.0014, P<0.05). However, none of the MR methods found significant causal evidence of genetically predicted PSC in CD (All P>0.05). The sensitivity analysis results showed that the causal effect estimations of genetically predicted PSC on IBD were robust, and there was no horizontal pleiotropy or statistical heterogeneity. CONCLUSIONS Our study corroborated a causal association between genetically predicted PSC and UC but did not between genetically predicted PSC and CD. Then, we identification of shared SNPs for PSC and UC, including rs3184504, rs9858213, rs725613, rs10909839, and rs4147359. More animal experiments and clinical observational studies are required to further clarify the underlying mechanisms of PSC and IBD.
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Affiliation(s)
- Xuan Dong
- Department of Hepatology, the First Affiliated Hospital of Fujian Medical University, Fuzhou, Fujian, China
- Hepatology Research Institute, Fujian Medical University, Fuzhou, Fujian, China
- Department of Hepatology, National Regional Medical Center, Binhai Campus of the First Affiliated Hosptial, Fujian Medical University, Fuzhou, Fujian, China
- Fujian Clinical Research Center for Hepatopathy and Intestinal Diseases, Fuzhou, Fujian, China
| | - Li-Li Gong
- Department of General Practice, Zhongshan Hospital, Xiamen University, Xiamen, Fujian, China
| | - Mei-Zhu Hong
- Department of Traditional Chinese Medicine, Mengchao Hepatobiliary Hospital of Fujian Medical University, Fuzhou, Fujian, China.
| | - Jin-Shui Pan
- Department of Hepatology, the First Affiliated Hospital of Fujian Medical University, Fuzhou, Fujian, China.
- Hepatology Research Institute, Fujian Medical University, Fuzhou, Fujian, China.
- Department of Hepatology, National Regional Medical Center, Binhai Campus of the First Affiliated Hosptial, Fujian Medical University, Fuzhou, Fujian, China.
- Fujian Clinical Research Center for Hepatopathy and Intestinal Diseases, Fuzhou, Fujian, China.
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28
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Li T, Ding N, Guo H, Hua R, Lin Z, Tian H, Yu Y, Fan D, Yuan Z, Gonzalez FJ, Wu Y. A gut microbiota-bile acid axis promotes intestinal homeostasis upon aspirin-mediated damage. Cell Host Microbe 2024; 32:191-208.e9. [PMID: 38237593 PMCID: PMC10922796 DOI: 10.1016/j.chom.2023.12.015] [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: 07/10/2023] [Revised: 11/18/2023] [Accepted: 12/21/2023] [Indexed: 02/17/2024]
Abstract
Aspirin-related gastrointestinal damage is of growing concern. Aspirin use modulates the gut microbiota and associated metabolites, such as bile acids (BAs), but how this impacts intestinal homeostasis remains unclear. Herein, using clinical cohorts and aspirin-treated mice, we identified an intestinal microbe, Parabacteroides goldsteinii, whose growth is suppressed by aspirin. Mice supplemented with P. goldsteinii or its BA metabolite, 7-keto-lithocholic acid (7-keto-LCA), showed reduced aspirin-mediated damage of the intestinal niche and gut barrier, effects that were lost with a P. goldsteinii hdhA mutant unable to generate 7-keto-LCA. Specifically, 7-keto-LCA promotes repair of the intestinal epithelium by suppressing signaling by the intestinal BA receptor, farnesoid X receptor (FXR). 7-Keto-LCA was confirmed to be an FXR antagonist that facilitates Wnt signaling and thus self-renewal of intestinal stem cells. These results reveal the impact of oral aspirin on the gut microbiota and intestinal BA metabolism that in turn modulates gastrointestinal homeostasis.
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Affiliation(s)
- Ting Li
- Department of Cardiovascular Medicine, First Affiliated Hospital, Xi'an Jiaotong University, Xi'an, Shaanxi, China; Key Laboratory of Molecular Cardiology, Xi'an, Shaanxi, China; Key Laboratory of Environment and Genes Related to Diseases, Ministry of Education, Xi'an, Shaanxi, China
| | - Ning Ding
- Department of Cardiovascular Medicine, First Affiliated Hospital, Xi'an Jiaotong University, Xi'an, Shaanxi, China; Key Laboratory of Molecular Cardiology, Xi'an, Shaanxi, China; Key Laboratory of Environment and Genes Related to Diseases, Ministry of Education, Xi'an, Shaanxi, China
| | - Hanqing Guo
- Department of Gastroenterology, Xi'an Central Hospital, Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Rui Hua
- Department of Cardiovascular Medicine, First Affiliated Hospital, Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Zehao Lin
- Department of Cardiovascular Medicine, First Affiliated Hospital, Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Huohuan Tian
- Department of Cardiovascular Medicine, First Affiliated Hospital, Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Yue Yu
- Department of Cardiovascular Medicine, First Affiliated Hospital, Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Daiming Fan
- Xijing Hospital of Digestive Diseases, Fourth Military Medical University, Xi'an, Shaanxi, China
| | - Zuyi Yuan
- Department of Cardiovascular Medicine, First Affiliated Hospital, Xi'an Jiaotong University, Xi'an, Shaanxi, China; Key Laboratory of Molecular Cardiology, Xi'an, Shaanxi, China; Key Laboratory of Environment and Genes Related to Diseases, Ministry of Education, Xi'an, Shaanxi, China.
| | - Frank J Gonzalez
- Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD, USA.
| | - Yue Wu
- Department of Cardiovascular Medicine, First Affiliated Hospital, Xi'an Jiaotong University, Xi'an, Shaanxi, China; Key Laboratory of Molecular Cardiology, Xi'an, Shaanxi, China; Key Laboratory of Environment and Genes Related to Diseases, Ministry of Education, Xi'an, Shaanxi, China.
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29
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Jia W, Sun J, Cao X, Xu Y, Wu Z, Zhou C, Huo J, Su S, Zhen M, Wang C, Bai C. Recovering intestinal redox homeostasis to resolve systemic inflammation for preventing remote myocardial injury by oral fullerenes. Proc Natl Acad Sci U S A 2023; 120:e2311673120. [PMID: 38109541 PMCID: PMC10756291 DOI: 10.1073/pnas.2311673120] [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: 07/10/2023] [Accepted: 11/10/2023] [Indexed: 12/20/2023] Open
Abstract
The unbalanced immune state is the dominant feature of myocardial injury. However, the complicated pathology of cardiovascular diseases and the unique structure of cardiac tissue lead to challenges for effective immunoregulation therapy. Here, we exploited oral fullerene nanoscavenger (OFNS) to maintain intestinal redox homeostasis to resolve systemic inflammation for effectively preventing distal myocardial injury through bidirectional communication along the heart-gut immune axis. Observably, OFNS regulated redox microenvironment to repair cellular injury and reduce inflammation in vitro. Subsequently, OFNS prevented myocardial injury by regulating intestinal redox homeostasis and recovering epithelium barrier integrity in vivo. Based on the profiles of transcriptomics and proteomics, we demonstrated that OFNS balanced intestinal and systemic immune homeostasis for remote cardioprotection. Of note, we applied this principle to intervene myocardial infarction in mice and mini-pigs. These findings highlight that locally addressing intestinal redox to inhibit systemic inflammation could be a potent strategy for resolving remote tissue injury.
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Affiliation(s)
- Wang Jia
- Beijing National Laboratory for Molecular Sciences, Key Laboratory of Molecular Nanostructure and Nanotechnology, Institute of Chemistry, Chinese Academy of Sciences, Beijing100190, China
- University of Chinese Academy of Sciences, Beijing100049, China
| | - Jiacheng Sun
- Beijing National Laboratory for Molecular Sciences, Key Laboratory of Molecular Nanostructure and Nanotechnology, Institute of Chemistry, Chinese Academy of Sciences, Beijing100190, China
- University of Chinese Academy of Sciences, Beijing100049, China
| | - Xinran Cao
- Beijing National Laboratory for Molecular Sciences, Key Laboratory of Molecular Nanostructure and Nanotechnology, Institute of Chemistry, Chinese Academy of Sciences, Beijing100190, China
- University of Chinese Academy of Sciences, Beijing100049, China
| | - Yuan Xu
- Beijing National Laboratory for Molecular Sciences, Key Laboratory of Molecular Nanostructure and Nanotechnology, Institute of Chemistry, Chinese Academy of Sciences, Beijing100190, China
- University of Chinese Academy of Sciences, Beijing100049, China
| | - Zhanfeng Wu
- Beijing National Laboratory for Molecular Sciences, Key Laboratory of Molecular Nanostructure and Nanotechnology, Institute of Chemistry, Chinese Academy of Sciences, Beijing100190, China
- University of Chinese Academy of Sciences, Beijing100049, China
| | - Chen Zhou
- Beijing National Laboratory for Molecular Sciences, Key Laboratory of Molecular Nanostructure and Nanotechnology, Institute of Chemistry, Chinese Academy of Sciences, Beijing100190, China
- University of Chinese Academy of Sciences, Beijing100049, China
| | - Jiawei Huo
- Beijing National Laboratory for Molecular Sciences, Key Laboratory of Molecular Nanostructure and Nanotechnology, Institute of Chemistry, Chinese Academy of Sciences, Beijing100190, China
- University of Chinese Academy of Sciences, Beijing100049, China
| | - Shenge Su
- Beijing National Laboratory for Molecular Sciences, Key Laboratory of Molecular Nanostructure and Nanotechnology, Institute of Chemistry, Chinese Academy of Sciences, Beijing100190, China
- University of Chinese Academy of Sciences, Beijing100049, China
| | - Mingming Zhen
- Beijing National Laboratory for Molecular Sciences, Key Laboratory of Molecular Nanostructure and Nanotechnology, Institute of Chemistry, Chinese Academy of Sciences, Beijing100190, China
- University of Chinese Academy of Sciences, Beijing100049, China
| | - Chunru Wang
- Beijing National Laboratory for Molecular Sciences, Key Laboratory of Molecular Nanostructure and Nanotechnology, Institute of Chemistry, Chinese Academy of Sciences, Beijing100190, China
- University of Chinese Academy of Sciences, Beijing100049, China
| | - Chunli Bai
- Beijing National Laboratory for Molecular Sciences, Key Laboratory of Molecular Nanostructure and Nanotechnology, Institute of Chemistry, Chinese Academy of Sciences, Beijing100190, China
- University of Chinese Academy of Sciences, Beijing100049, China
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30
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Cheng W, Zhou X, Jin C, Wu J, Xia Y, Lu M, Yang Y, Jin X, Ji F, Wang B. Acid-base transformative HADLA micelles alleviate colitis by restoring adaptive immunity and gut microbiome. J Control Release 2023; 364:283-296. [PMID: 37898344 DOI: 10.1016/j.jconrel.2023.10.039] [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: 07/24/2023] [Revised: 10/16/2023] [Accepted: 10/25/2023] [Indexed: 10/30/2023]
Abstract
Inflammatory bowel disease (IBD) is a worldwide public health issue with an increasing number of patients annually. However, there is no curative drug for IBD, and the present medication for IBD generally focuses on suppressing hyperactive immune responses, which can only delay disease progression but inevitably induce off-target side effects, including infections and cancers. Herein, late-model orally administered nanotherapeutic micelles (HADLA) were developed based on a conjugate of hyaluronic acid (HA) and dehydrolithocholic acid (DLA), which was simple to achieve and obtained satisfactory therapeutic efficacy in a murine colitis model with a full safety profile. HADLA is capable of targeting inflammatory colon tissues, restoring intestinal barrier function and reducing intestinal epithelial cell death. Moreover, it modulates the adaptive immune system by inhibiting the activation of pathogenic T helper 17 (Th17) cells, and it exhibits more remarkable effects in preventing colitis than DLA alone. Finally, HADLA exhibits a remarkable ability to modulate dysregulated gut microbiomes by increasing beneficial probiotics and decreasing pathogenic bacteria, such as Turicibacter. Compared with the current systemic or subcutaneous administration of biologics, this study opens new avenues in the oral delivery of immune-modulating nanomedicine and introduces DLA as a new medication for IBD treatment.
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Affiliation(s)
- Weixin Cheng
- Department of Gastroenterology, Zhejiang University School of Medicine First Affiliated Hospital, Hangzhou 310003, China
| | - Xinxin Zhou
- Department of Gastroenterology, Zhejiang University School of Medicine First Affiliated Hospital, Hangzhou 310003, China
| | - Ciliang Jin
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, Department of Infectious Diseases, Zhejiang University School of Medicine First Affiliated Hospital, Hangzhou 310003, Zhejiang, China
| | - Jicheng Wu
- Cancer Institute (Key Laboratory of Cancer Prevention and Intervention, China National Ministry of Education), The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou 310009, China
| | - Yi Xia
- Department of Gastroenterology, Zhejiang University School of Medicine First Affiliated Hospital, Hangzhou 310003, China
| | - Miaomiao Lu
- Department of Gastroenterology, Zhejiang University School of Medicine First Affiliated Hospital, Hangzhou 310003, China
| | - Yida Yang
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, Department of Infectious Diseases, Zhejiang University School of Medicine First Affiliated Hospital, Hangzhou 310003, Zhejiang, China
| | - Xi Jin
- Department of Gastroenterology, Zhejiang University School of Medicine First Affiliated Hospital, Hangzhou 310003, China.
| | - Feng Ji
- Department of Gastroenterology, Zhejiang University School of Medicine First Affiliated Hospital, Hangzhou 310003, China.
| | - Ben Wang
- Cancer Institute (Key Laboratory of Cancer Prevention and Intervention, China National Ministry of Education), The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou 310009, China; Institute of Translational Medicine, Zhejiang University, Hangzhou 310029, China; Cancer Center, Zhejiang University, Hangzhou 310029, China.
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31
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Wan T, Wang Y, He K, Zhu S. Microbial sensing in the intestine. Protein Cell 2023; 14:824-860. [PMID: 37191444 PMCID: PMC10636641 DOI: 10.1093/procel/pwad028] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2023] [Accepted: 05/04/2023] [Indexed: 05/17/2023] Open
Abstract
The gut microbiota plays a key role in host health and disease, particularly through their interactions with the immune system. Intestinal homeostasis is dependent on the symbiotic relationships between the host and the diverse gut microbiota, which is influenced by the highly co-evolved immune-microbiota interactions. The first step of the interaction between the host and the gut microbiota is the sensing of the gut microbes by the host immune system. In this review, we describe the cells of the host immune system and the proteins that sense the components and metabolites of the gut microbes. We further highlight the essential roles of pattern recognition receptors (PRRs), the G protein-coupled receptors (GPCRs), aryl hydrocarbon receptor (AHR) and the nuclear receptors expressed in the intestinal epithelial cells (IECs) and the intestine-resident immune cells. We also discuss the mechanisms by which the disruption of microbial sensing because of genetic or environmental factors causes human diseases such as the inflammatory bowel disease (IBD).
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Affiliation(s)
- Tingting Wan
- Division of Life Sciences and Medicine, The CAS Key Laboratory of Innate Immunity and Chronic Disease, Institute of Immunology, School of Basic Medical Sciences, University of Science and Technology of China, Hefei 230027, China
| | - Yalong Wang
- Division of Life Sciences and Medicine, The CAS Key Laboratory of Innate Immunity and Chronic Disease, Institute of Immunology, School of Basic Medical Sciences, University of Science and Technology of China, Hefei 230027, China
| | - Kaixin He
- Division of Life Sciences and Medicine, The CAS Key Laboratory of Innate Immunity and Chronic Disease, Institute of Immunology, School of Basic Medical Sciences, University of Science and Technology of China, Hefei 230027, China
| | - Shu Zhu
- Division of Life Sciences and Medicine, The CAS Key Laboratory of Innate Immunity and Chronic Disease, Institute of Immunology, School of Basic Medical Sciences, University of Science and Technology of China, Hefei 230027, China
- Department of Digestive Disease, Division of Life Sciences and Medicine, The First Affiliated Hospital of USTC, University of Science and Technology of China, Hefei 230001, China
- Institute of Health and Medicine, Hefei Comprehensive National Science Center, Hefei 230601, China
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32
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Wei K, Wei Y, Wang Y, Wei X. Amelioration Effects and Regulatory Mechanisms of Different Tea Active Ingredients on DSS-Induced Colitis. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2023; 71:16604-16617. [PMID: 37876151 DOI: 10.1021/acs.jafc.3c04524] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/26/2023]
Abstract
The potential biological function of tea and its active components on colitis has attracted wide attention. In this study, different tea active ingredients including tea polyphenols (TPPs), tea polysaccharides (TPSs), theabrownin (TB), and theanine (TA) have been compared in the intervention of dextran sulfate sodium (DSS)-induced colitis in mice. Specifically, TPP showed the greatest effect on colitis since it reduced 60.87% of disease activity index (DAI) compared to that of the DSS-induced colitis group, followed by the reduction of 39.13% of TPS and 28.26% of TB on DAI, whereas there was no obvious alleviative effect of TA on colitis. TPP, TPS, and TB could regulate the composition and abundance of gut microbiota to increase the content of short-chain fatty acids (SCFAs) and enhance intestinal barrier function. Further evidence was observed that TPP and TPS regulated the activation of Nrf2/ARE and the TLR4/MyD88/NF-κB P65 pathway to alleviate the colitis. Results of cell experiments demonstrated that TPP showed the greatest antiapoptosis and mitochondrial function protective capability among the tea ingredients via inhibiting the Cytc/Cleaved-caspase-3 signaling pathway. In summary, the superior anticolitis activity of TPP compared to TPS and TB is primarily attributed to its unique upregulation of the abundance of Akkermansia and its ability to regulate the mitochondrial function.
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Affiliation(s)
- Kang Wei
- School of Agriculture and Biology, Shanghai Jiao Tong University, No. 800 Dongchuan Road, Minhang District, Shanghai 200240, P. R. China
| | - Yang Wei
- School of Agriculture and Biology, Shanghai Jiao Tong University, No. 800 Dongchuan Road, Minhang District, Shanghai 200240, P. R. China
| | - Yuanfeng Wang
- College of Life Sciences, Shanghai Normal University, No. 100 Guilin Road, Xuhui District, Shanghai 200234, P. R. China
| | - Xinlin Wei
- School of Agriculture and Biology, Shanghai Jiao Tong University, No. 800 Dongchuan Road, Minhang District, Shanghai 200240, P. R. China
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33
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Zhang Y, Gao X, Gao S, Liu Y, Wang W, Feng Y, Pei L, Sun Z, Liu L, Wang C. Effect of gut flora mediated-bile acid metabolism on intestinal immune microenvironment. Immunology 2023; 170:301-318. [PMID: 37317655 DOI: 10.1111/imm.13672] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2023] [Accepted: 05/28/2023] [Indexed: 06/16/2023] Open
Abstract
According to reports, gut microbiota and metabolites regulate the intestinal immune microenvironment. In recent years, an increasing number of studies reported that bile acids (BAs) of intestinal flora origin affect T helper cells and regulatory T cells (Treg cells). Th17 cells play a pro-inflammatory role and Treg cells usually act in an immunosuppressive role. In this review, we emphatically summarised the influence and corresponding mechanism of different configurations of lithocholic acid (LCA) and deoxycholic acid (DCA) on intestinal Th17 cells, Treg cells and intestinal immune microenvironment. The regulation of BAs receptors G protein-coupled bile acid receptor 1 (GPBAR1/TGR5) and farnesoid X receptor (FXR) on immune cells and intestinal environment are elaborated. Furthermore, the potential clinical applications above were also concluded in three aspects. The above will help researchers better understand the effects of gut flora on the intestinal immune microenvironment via BAs and contribute to the development of new targeted drugs.
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Affiliation(s)
- Yan Zhang
- Department of Ultrasound, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
- Henan Institute of Interconnected Intelligent Health Management, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
| | - Xueyan Gao
- Department of Ultrasound, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
- Henan Institute of Interconnected Intelligent Health Management, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
| | - Shuochen Gao
- Department of Neurology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
| | - Yang Liu
- Department of Radiotherapy, Affiliated Cancer Hospital of Zhengzhou University, Henan Cancer Hospital, Zhengzhou, China
| | - Wenkang Wang
- Department of Breast Surgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
| | - Yudi Feng
- Department of Ultrasound, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
| | - Liping Pei
- Department of Ultrasound, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
| | - Zhenqiang Sun
- Department of Colorectal Surgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
| | - Lin Liu
- Department of Ultrasound, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
- Henan Institute of Interconnected Intelligent Health Management, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
| | - Chengzeng Wang
- Department of Ultrasound, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
- Henan Institute of Interconnected Intelligent Health Management, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
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34
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Tong X, Chen L, He S, Liu S, Yao J, Shao Z, Ye Y, Yao S, Lin Z, Zuo J. Forsythia suspensa (Thunb.) Vahl extract ameliorates ulcerative colitis via inhibiting NLRP3 inflammasome activation through the TLR4/MyD88/NF-κB pathway. Immun Inflamm Dis 2023; 11:e1069. [PMID: 38018571 PMCID: PMC10629261 DOI: 10.1002/iid3.1069] [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: 05/04/2023] [Revised: 10/04/2023] [Accepted: 10/18/2023] [Indexed: 11/30/2023] Open
Abstract
BACKGROUND Ulcerative colitis (UC), a chronic inflammatory disease, is caused by abnormal immune system reactions resulting in inflammation and ulcers in the large intestine. Phillygenin (PHI) is a natural compound found in Forsythia suspensa (Thunb.) Vahl, which is known for its antipyretic, anti-inflammatory, antiobesity, and other biological activities. However, the therapeutic role and molecular mechanisms of PHI on UC are still insufficiently researched. METHODS In this study, dextran sulfate sodium (DSS) and 2.5% 2,4,6-trinitro-Benzenesulfonic acid (TNBS)-induced acute UC were used to investigate the therapeutic effects of PHI. We evaluated the effects of PHI on disease activity index (DAI), body weight, mortality, intestinal mucosal barrier, cytokine secretion, and macrophage infiltration into colon tissue using various techniques such as flow cytometry, immunofluorescence, enzyme-linked immunosorbent assay (ELISA), RT-qPCR, and Western blot analysis. RESULTS Our findings revealed that PHI has therapeutic properties in UC treatment. PHI was able to maintain body weight, reduce DAI and mortality, restore the intestinal mucosal barrier, and inhibit cytokine secretion. Flow cytometry assay and immunofluorescence indicated that PHI reduces macrophage infiltration into colon tissue. Mechanistically, PHI may exert anti-inflammatory effects by downregulating the TLR4/MyD88/NF-κB pathway and inhibiting the activation of NLRP3 inflammasome. CONCLUSION In conclusion, PHI possesses significant anti-inflammatory properties and is expected to be a potential drug for UC treatment. Our study delves into the underlying mechanisms of PHI therapy and highlights the potential for further research in developing PHI-based treatments for UC.
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Affiliation(s)
- Xiao Tong
- University of Chinese Academy of SciencesBeijingChina
- State Key Laboratory of Drug ResearchChinese Academy of SciencesShanghaiChina
| | - Li Chen
- State Key Laboratory of Drug ResearchChinese Academy of SciencesShanghaiChina
| | - Shijun He
- Innovation Research Institute of Traditional Chinese MedicineShanghai University of Traditional Chinese MedicineShanghaiChina
| | | | - Jiaying Yao
- College of PharmacyJiangxi University of Traditional Chinese MedicineNanchangChina
| | - Zhenguang Shao
- University of Chinese Academy of SciencesBeijingChina
- State Key Laboratory of Drug Research & Natural Products Research CenterChinese Academy of SciencesShanghaiChina
| | - Yang Ye
- University of Chinese Academy of SciencesBeijingChina
- College of PharmacyJiangxi University of Traditional Chinese MedicineNanchangChina
- School of Life Science and TechnologyShanghaiTech UniversityShanghaiChina
| | - Sheng Yao
- University of Chinese Academy of SciencesBeijingChina
- College of PharmacyJiangxi University of Traditional Chinese MedicineNanchangChina
- Zhongshan Institute for Drug DiscoveryChinese Academy of SciencesZhongshanChina
| | - Zemin Lin
- State Key Laboratory of Drug ResearchChinese Academy of SciencesShanghaiChina
| | - Jianping Zuo
- University of Chinese Academy of SciencesBeijingChina
- State Key Laboratory of Drug ResearchChinese Academy of SciencesShanghaiChina
- Laboratory of Immunology and VirologyShanghai University of Traditional Chinese MedicineShanghaiChina
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Wang J, Dai X, Chang H, Gao Q, Guo J, Yang J, Zhang S, Shan C. Interruption of bile acid enterohepatic circulation inhibits glycogen synthesis and promotes hepatocellular carcinoma progression. Genes Dis 2023; 10:2218-2221. [PMID: 37554198 PMCID: PMC10404996 DOI: 10.1016/j.gendis.2023.02.026] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2022] [Accepted: 02/08/2023] [Indexed: 03/29/2023] Open
Affiliation(s)
- Jiyan Wang
- State Key Laboratory of Medicinal Chemical Biology, College of Pharmacy and Tianjin Key Laboratory of Molecular Drug Research, Nankai University, Tianjin 300350, China
| | - Xintong Dai
- State Key Laboratory of Medicinal Chemical Biology, College of Pharmacy and Tianjin Key Laboratory of Molecular Drug Research, Nankai University, Tianjin 300350, China
| | - Hongkai Chang
- State Key Laboratory of Medicinal Chemical Biology, College of Pharmacy and Tianjin Key Laboratory of Molecular Drug Research, Nankai University, Tianjin 300350, China
| | - Qingle Gao
- State Key Laboratory of Medicinal Chemical Biology, College of Pharmacy and Tianjin Key Laboratory of Molecular Drug Research, Nankai University, Tianjin 300350, China
| | - Jianshuang Guo
- State Key Laboratory of Medicinal Chemical Biology, College of Pharmacy and Tianjin Key Laboratory of Molecular Drug Research, Nankai University, Tianjin 300350, China
| | - Juze Yang
- Department of Respiratory Medicine, Sir Run Run Shaw Hospital and Institute of Translational Medicine, Zhejiang University School of Medicine, Hangzhou, Zhejiang 310016, China
| | - Shuai Zhang
- School of Integrative Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China
| | - Changliang Shan
- State Key Laboratory of Medicinal Chemical Biology, College of Pharmacy and Tianjin Key Laboratory of Molecular Drug Research, Nankai University, Tianjin 300350, China
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Lin Z, Yang P, Hu Y, Xu H, Duan J, He F, Dou K, Wang L. RING finger protein 13 protects against nonalcoholic steatohepatitis by targeting STING-relayed signaling pathways. Nat Commun 2023; 14:6635. [PMID: 37857628 PMCID: PMC10587083 DOI: 10.1038/s41467-023-42420-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2023] [Accepted: 10/11/2023] [Indexed: 10/21/2023] Open
Abstract
Nonalcoholic fatty liver disease (NAFLD) is the most common liver disorder worldwide. Recent studies show that innate immunity-related signaling pathways fuel NAFLD progression. This study aims to identify potent regulators of innate immunity during NAFLD progression. To this end, a phenotype-based high-content screening is performed, and RING finger protein 13 (RNF13) is identified as an effective inhibitor of lipid accumulation in vitro. In vivo gain- and loss-of-function assays are conducted to investigate the role of RNF13 in NAFLD. Transcriptome sequencing and immunoprecipitation-mass spectrometry are performed to explore the underlying mechanisms. We reveal that RNF13 protein is upregulated in the liver of individuals with NASH. Rnf13 knockout in hepatocytes exacerbate insulin resistance, steatosis, inflammation, cell injury and fibrosis in the liver of diet-induced mice, which can be alleviated by Rnf13 overexpression. Mechanically, RNF13 facilitates the proteasomal degradation of stimulator of interferon genes protein (STING) in a ubiquitination-dependent way. This study provides a promising innate immunity-related target for NAFLD treatment.
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Affiliation(s)
- Zhibin Lin
- Department of Hepatobiliary Surgery, Xi-Jing Hospital, Fourth Military Medical University, Xi'an, 710032, China
| | - Peijun Yang
- Department of Hepatobiliary Surgery, Xi-Jing Hospital, Fourth Military Medical University, Xi'an, 710032, China
| | - Yufeng Hu
- Gannan Innovation and Transformation Medical Research Institute, First Affiliated Hospital of Gannan Medical University, Gannan Medical University, Ganzhou, 341000, China
| | - Hao Xu
- Department of Hepatobiliary Surgery, Xi-Jing Hospital, Fourth Military Medical University, Xi'an, 710032, China
| | - Juanli Duan
- Department of Hepatobiliary Surgery, Xi-Jing Hospital, Fourth Military Medical University, Xi'an, 710032, China
| | - Fei He
- Department of Hepatobiliary Surgery, Xi-Jing Hospital, Fourth Military Medical University, Xi'an, 710032, China
| | - Kefeng Dou
- Department of Hepatobiliary Surgery, Xi-Jing Hospital, Fourth Military Medical University, Xi'an, 710032, China.
| | - Lin Wang
- Department of Hepatobiliary Surgery, Xi-Jing Hospital, Fourth Military Medical University, Xi'an, 710032, China.
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Fang F, Liu Y, Xiong Y, Li X, Li G, Jiang Y, Hou X, Song J. Slowed Intestinal Transit Induced by Less Mucus in Intestinal Goblet Cell Piezo1-Deficient Mice through Impaired Epithelial Homeostasis. Int J Mol Sci 2023; 24:14377. [PMID: 37762681 PMCID: PMC10531822 DOI: 10.3390/ijms241814377] [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: 09/04/2023] [Revised: 09/18/2023] [Accepted: 09/19/2023] [Indexed: 09/29/2023] Open
Abstract
Mucus secreted by goblet cells (GCs) may play an important role in intestinal transit function. Our previous study found that Piezo1 protein is essential for GC function; however, the effect of GC Piezo1 on intestinal transit function is unclear. Our study aimed to investigate the effect of Piezo1 in GCs on intestinal transit and the potential mechanism. We compared intestinal mucus, fecal form, intestinal transit time, intestinal epithelial cell composition, and stem cell function in WT and GC-specific Piezo1-deficient (Piezo1ΔGC) mice. Our results revealed a correlation between mucus and intestinal transit: the less mucus there was, the slower the intestinal transit. Piezo1 deficiency in GCs led to decreased mucus synthesis and also disrupted the ecological niche of colon stem cells (CSCs). Through organoid culture, we found that the capacity of proliferation and differentiation in Piezo1ΔGC mouse CSCs was significantly decreased, which also led to a reduced source of GCs. Further studies found that the reduced Wnt and Notch signals in colon crypts might be the potential mechanism. These results indicated the importance of GC Piezo1 in intestinal transit function, which acts by maintaining the homeostasis of intestinal epithelial cells and mucus.
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Affiliation(s)
| | | | | | | | | | | | | | - Jun Song
- Department of Gastroenterology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China; (F.F.); (Y.L.); (Y.X.); (X.L.); (G.L.); (Y.J.); (X.H.)
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38
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Xu H, Cai X, Xu K, Wu Q, Xu B. The metabolomic plasma profile of patients with Duchenne muscular dystrophy: providing new evidence for its pathogenesis. Orphanet J Rare Dis 2023; 18:273. [PMID: 37670327 PMCID: PMC10481483 DOI: 10.1186/s13023-023-02885-1] [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] [Subscribe] [Scholar Register] [Received: 11/18/2022] [Accepted: 08/25/2023] [Indexed: 09/07/2023] Open
Abstract
BACKGROUND Duchenne muscular dystrophy (DMD) is a fatal genetic muscle-wasting disease that affects 1 in 5000 male births with no current cure. Despite great progress has been made in the research of DMD, its underlying pathological mechanism based on the metabolomics is still worthy of further study. Therefore, it is necessary to gain a deeper understanding of the mechanisms or pathogenesis underlying DMD, which may reveal potential therapeutic targets and/or biomarkers. RESULTS Plasma samples from 42 patients with DMD from a natural history study and 40 age-matched healthy volunteers were subjected to a liquid chromatography-mass spectrometry-based non-targeted metabolomics approach. Acquired metabolic data were evaluated by principal component analysis, partial least squares-discriminant analysis, and metabolic pathway analysis to explore distinctive metabolic patterns in patients with DMD. Differentially expressed metabolites were identified using publicly available and integrated databases. By comparing the DMD and healthy control groups, 25 differential metabolites were detected, including amino acids, unsaturated fatty acids, carnitine, lipids, and metabolites related to the gut microbiota. Correspondingly, linoleic acid metabolism, D-glutamine and D-glutamate metabolism, glycerophospholipid metabolism, and alanine, aspartate, and glutamate metabolism were significantly altered in patients with DMD, compared with those of healthy volunteers. CONCLUSIONS Our study demonstrated the abnormal metabolism of amino acids, energy, and lipids in patients with DMD, consistent with pathological features, such as recurrent muscle necrosis and regeneration, interstitial fibrosis, and fat replacement. Additionally, we found that metabolites of intestinal flora were disordered in DMD patients, providing support for treatment of intestinal microbia disturbance in DMD diseases. Our study provides a new research strategy for understanding the pathogenesis of DMD.
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Affiliation(s)
- Huayan Xu
- Department of Radiology, Key Laboratory of Birth Defects and Related Diseases of Women and Children of Ministry of Education, West China Second University Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Xiaotang Cai
- Department of Rehabilitation Medicine, West China Second University Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Ke Xu
- Department of Radiology, Key Laboratory of Birth Defects and Related Diseases of Women and Children of Ministry of Education, West China Second University Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Qihong Wu
- Department of Radiology, Key Laboratory of Birth Defects and Related Diseases of Women and Children of Ministry of Education, West China Second University Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Bei Xu
- Department of Clinical Laboratory, School of Medicine, Mianyang Central Hospital, University of Electronic Science and Technology of China, Mianyang, Sichuan, China.
- Department of Critical Care Medicine, Frontiers Science Center for Disease-related Molecular Network, State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, Sichuan, China.
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39
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Long XQ, Liu MZ, Liu ZH, Xia LZ, Lu SP, Xu XP, Wu MH. Bile acids and their receptors: Potential therapeutic targets in inflammatory bowel disease. World J Gastroenterol 2023; 29:4252-4270. [PMID: 37545642 PMCID: PMC10401658 DOI: 10.3748/wjg.v29.i27.4252] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/08/2023] [Revised: 05/19/2023] [Accepted: 06/21/2023] [Indexed: 07/13/2023] Open
Abstract
Chronic and recurrent inflammatory disorders of the gastrointestinal tract caused by a complex interplay between genetics and intestinal dysbiosis are called inflammatory bowel disease. As a result of the interaction between the liver and the gut microbiota, bile acids are an atypical class of steroids produced in mammals and traditionally known for their function in food absorption. With the development of genomics and metabolomics, more and more data suggest that the pathophysiological mechanisms of inflammatory bowel disease are regulated by bile acids and their receptors. Bile acids operate as signalling molecules by activating a variety of bile acid receptors that impact intestinal flora, epithelial barrier function, and intestinal immunology. Inflammatory bowel disease can be treated in new ways by using these potential molecules. This paper mainly discusses the increasing function of bile acids and their receptors in inflammatory bowel disease and their prospective therapeutic applications. In addition, we explore bile acid metabolism and the interaction of bile acids and the gut microbiota.
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Affiliation(s)
- Xiong-Quan Long
- Department of Gastroenterology, The First Affiliated Hospital of Hunan Normal University (Hunan Provincial People's Hospital), Changsha 410005, Hunan Province, China
| | - Ming-Zhu Liu
- Department of Gastroenterology, The First Affiliated Hospital of Hunan Normal University (Hunan Provincial People's Hospital), Changsha 410005, Hunan Province, China
| | - Zi-Hao Liu
- Department of Gastroenterology, The First Affiliated Hospital of Hunan Normal University (Hunan Provincial People's Hospital), Changsha 410005, Hunan Province, China
| | - Lv-Zhou Xia
- Department of Gastroenterology, The First Affiliated Hospital of Hunan Normal University (Hunan Provincial People's Hospital), Changsha 410005, Hunan Province, China
| | - Shi-Peng Lu
- Department of Gastroenterology, The First Affiliated Hospital of Hunan Normal University (Hunan Provincial People's Hospital), Changsha 410005, Hunan Province, China
| | - Xiao-Ping Xu
- Department of Gastroenterology, The First Affiliated Hospital of Hunan Normal University (Hunan Provincial People's Hospital), Changsha 410005, Hunan Province, China
| | - Ming-Hao Wu
- Department of Gastroenterology, The First Affiliated Hospital of Hunan Normal University (Hunan Provincial People's Hospital), Changsha 410005, Hunan Province, China
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40
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Shi L, Jin L, Huang W. Bile Acids, Intestinal Barrier Dysfunction, and Related Diseases. Cells 2023; 12:1888. [PMID: 37508557 PMCID: PMC10377837 DOI: 10.3390/cells12141888] [Citation(s) in RCA: 15] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2023] [Revised: 07/11/2023] [Accepted: 07/14/2023] [Indexed: 07/30/2023] Open
Abstract
The intestinal barrier is a precisely regulated semi-permeable physiological structure that absorbs nutrients and protects the internal environment from infiltration of pathological molecules and microorganisms. Bile acids are small molecules synthesized from cholesterol in the liver, secreted into the duodenum, and transformed to secondary or tertiary bile acids by the gut microbiota. Bile acids interact with bile acid receptors (BARs) or gut microbiota, which plays a key role in maintaining the homeostasis of the intestinal barrier. In this review, we summarize and discuss the recent studies on bile acid disorder associated with intestinal barrier dysfunction and related diseases. We focus on the roles of bile acids, BARs, and gut microbiota in triggering intestinal barrier dysfunction. Insights for the future prevention and treatment of intestinal barrier dysfunction and related diseases are provided.
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Affiliation(s)
- Linsen Shi
- Department of Diabetes Complications and Metabolism, Arthur Riggs Diabetes and Metabolism Research Institute, Beckman Research Institute, City of Hope National Medical Center, 1500 E. Duarte Road, Duarte, CA 91010, USA
| | - Lihua Jin
- Department of Diabetes Complications and Metabolism, Arthur Riggs Diabetes and Metabolism Research Institute, Beckman Research Institute, City of Hope National Medical Center, 1500 E. Duarte Road, Duarte, CA 91010, USA
| | - Wendong Huang
- Department of Diabetes Complications and Metabolism, Arthur Riggs Diabetes and Metabolism Research Institute, Beckman Research Institute, City of Hope National Medical Center, 1500 E. Duarte Road, Duarte, CA 91010, USA
- Irell & Manella Graduate School of Biomedical Science, City of Hope National Medical Center, 1500 E. Duarte Road, Duarte, CA 91010, USA
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Wu D, Wang S, Hai C, Wang L, Pei D, Bai C, Su G, Liu X, Zhao Y, Liu Z, Yang L, Li G. The Effect of MSTN Mutation on Bile Acid Metabolism and Lipid Metabolism in Cattle. Metabolites 2023; 13:836. [PMID: 37512543 PMCID: PMC10384915 DOI: 10.3390/metabo13070836] [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: 03/30/2023] [Revised: 06/29/2023] [Accepted: 07/08/2023] [Indexed: 07/30/2023] Open
Abstract
Myostatin (MSTN) is a negative regulator of skeletal muscle genesis during development. MSTN mutation leads to increased lean meat production and reduced fat deposition in livestock. However, the mechanism by which MSTN promotes myogenesis by regulating metabolism is not clear. In this study, we compared the metabolomics of the livers of wild-type (WT) and MSTN mutation cattle (MT), and found changes in the content and proportion of fatty acids and bile acids in MT cattle. The differential metabolites were enriched in sterol synthesis and primary bile acid synthesis. We further analyzed the expression of genes involved in the regulation of lipid and bile acid metabolism, and found that the loss of MSTN may alter lipid synthesis and bile acid metabolism. This study provides new basic data for MSTN mutations in beef cattle breeding.
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Affiliation(s)
- Di Wu
- State Key Laboratory of Reproductive Regulation and Breeding of Grassland Livestock, College of Life Science, Inner Mongolia University, Hohhot 010021, China
| | - Song Wang
- State Key Laboratory of Reproductive Regulation and Breeding of Grassland Livestock, College of Life Science, Inner Mongolia University, Hohhot 010021, China
- College of Life Science, Northeast Agricultural University, Harbin 150030, China
| | - Chao Hai
- State Key Laboratory of Reproductive Regulation and Breeding of Grassland Livestock, College of Life Science, Inner Mongolia University, Hohhot 010021, China
| | - Linfeng Wang
- State Key Laboratory of Reproductive Regulation and Breeding of Grassland Livestock, College of Life Science, Inner Mongolia University, Hohhot 010021, China
| | - Dongchao Pei
- State Key Laboratory of Reproductive Regulation and Breeding of Grassland Livestock, College of Life Science, Inner Mongolia University, Hohhot 010021, China
| | - Chunling Bai
- State Key Laboratory of Reproductive Regulation and Breeding of Grassland Livestock, College of Life Science, Inner Mongolia University, Hohhot 010021, China
| | - Guanghua Su
- State Key Laboratory of Reproductive Regulation and Breeding of Grassland Livestock, College of Life Science, Inner Mongolia University, Hohhot 010021, China
| | - Xuefei Liu
- State Key Laboratory of Reproductive Regulation and Breeding of Grassland Livestock, College of Life Science, Inner Mongolia University, Hohhot 010021, China
| | - Yuefang Zhao
- State Key Laboratory of Reproductive Regulation and Breeding of Grassland Livestock, College of Life Science, Inner Mongolia University, Hohhot 010021, China
| | - Zhonghua Liu
- College of Life Science, Northeast Agricultural University, Harbin 150030, China
| | - Lei Yang
- State Key Laboratory of Reproductive Regulation and Breeding of Grassland Livestock, College of Life Science, Inner Mongolia University, Hohhot 010021, China
| | - Guangpeng Li
- State Key Laboratory of Reproductive Regulation and Breeding of Grassland Livestock, College of Life Science, Inner Mongolia University, Hohhot 010021, China
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Zhou C, Gao P, Wang J. Comprehensive Analysis of Microbiome, Metabolome, and Transcriptome Revealed the Mechanisms of Intestinal Injury in Rainbow Trout under Heat Stress. Int J Mol Sci 2023; 24:ijms24108569. [PMID: 37239914 DOI: 10.3390/ijms24108569] [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: 04/04/2023] [Revised: 05/04/2023] [Accepted: 05/08/2023] [Indexed: 05/28/2023] Open
Abstract
Global warming is one of the most common environmental challenges faced by cold-water fish farming. Intestinal barrier function, gut microbiota, and gut microbial metabolites are significantly altered under heat stress, posing serious obstacles to the healthy artificial culture of rainbow trout. However, the molecular mechanisms underlying intestinal injury in rainbow trout under heat stress remain unclear. In the present study, the optimal growth temperature for rainbow trout (16 °C) was used for the control group, and the maximum temperature tolerated by rainbow trout (24 °C) was used for the heat stress group, which was subjected to heat stress for 21 days. The mechanism of intestinal injury in rainbow trout under heat stress was explored by combining animal histology, 16S rRNA gene amplicon sequencing, ultra-high performance liquid chromatography-mass spectrometry, and transcriptome sequencing. The results showed that the antioxidant capacity of rainbow trout was enhanced under heat stress, the levels of stress-related hormones were significantly increased, and the relative expression of genes related to heat stress proteins was significantly increased, indicating that the heat stress model of rainbow trout was successfully established. Secondly, the intestinal tract of rainbow trout showed inflammatory pathological characteristics under heat stress, with increased permeability, activation of the inflammatory factor signaling pathway, and increased relative expression of inflammatory factor genes, suggesting that the intestinal barrier function was impaired. Thirdly, heat stress caused an imbalance of intestinal commensal microbiota and changes in intestinal metabolites in rainbow trout, which participated in the stress response mainly by affecting lipid metabolism and amino acid metabolism. Finally, heat stress promoted intestinal injury in rainbow trout by activating the peroxisome proliferator-activated receptor-α signaling pathway. These results not only expand the understanding of fish stress physiology and regulation mechanisms, but also provide a scientific basis for healthy artificial culture and the reduction of rainbow trout production costs.
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Affiliation(s)
- Changqing Zhou
- State Key Laboratory of Grassland Agro-Ecosystems, Key Laboratory of Grassland Livestock Industry Innovation, Ministry of Agriculture and Rural Affairs, Grassland Agriculture Engineering Center, Ministry of Education, College of Pastoral Agriculture Science and Technology, Lanzhou University, Lanzhou 730020, China
- College of Ecology, Lanzhou University, Lanzhou 730000, China
| | - Pan Gao
- State Key Laboratory of Grassland Agro-Ecosystems, Key Laboratory of Grassland Livestock Industry Innovation, Ministry of Agriculture and Rural Affairs, Grassland Agriculture Engineering Center, Ministry of Education, College of Pastoral Agriculture Science and Technology, Lanzhou University, Lanzhou 730020, China
| | - Jianlin Wang
- State Key Laboratory of Grassland Agro-Ecosystems, Key Laboratory of Grassland Livestock Industry Innovation, Ministry of Agriculture and Rural Affairs, Grassland Agriculture Engineering Center, Ministry of Education, College of Pastoral Agriculture Science and Technology, Lanzhou University, Lanzhou 730020, China
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Liu H, Yokoyama F, Ishizuka S. Metabolic alterations of the gut-liver axis induced by cholic acid contribute to hepatic steatosis in rats. Biochim Biophys Acta Mol Cell Biol Lipids 2023; 1868:159319. [PMID: 37075973 DOI: 10.1016/j.bbalip.2023.159319] [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: 01/16/2023] [Revised: 03/24/2023] [Accepted: 04/07/2023] [Indexed: 04/21/2023]
Abstract
12α-Hydroxylated (12αOH) bile acids (BAs) selectively increase with high-fat diet intake. Dietary supplementation with cholic acid (CA) in rats is a possible strategy to reveal the causal link between 12αOH BAs and hepatic steatosis. The present study aimed to investigate the metabolic mechanism underlying the effect of 12αOH BAs on hepatic steatosis. Male WKAH rats were fed either a control (Ct) or CA-supplemented diet (0.5 g/kg). After the 12-week intervention, the CA diet elevated the 12αOH BA levels in the gut-liver axis. CA-fed rats showed greater hepatic lipid accumulation than in the Ct group, regardless of the dietary energy balance. Untargeted metabolomics suggested marked differences in the fecal metabolome of rats subjected to the CA diet compared with that of Ct, characterized by the depletion of fatty acids and enrichment of amino acids and amines. Moreover, the liver metabolome differed in the CA diet group, characterized by an alteration in redox-related pathways. The CA diet elevated nicotinamide adenine dinucleotide consumption owing to the activation of poly(ADP-ribose) polymerase 1, resulting in impaired peroxisome proliferator-activated receptor α signaling in the liver. The CA diet increased sedoheptulose 7-phosphate, and enhanced glucose-6-phosphate dehydrogenase activity, suggesting promotion of the pentose phosphate pathway that generates reducing equivalents. Integrated analysis of the gut-liver metabolomic data revealed the role of deoxycholic acid and its liver counterpart in mediating these metabolic alterations. These observations suggest that alterations in metabolites induced by 12αOH BAs in the gut-liver axis contribute to the enhancement of liver lipid accumulation.
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Affiliation(s)
- Hongxia Liu
- Division of Fundamental Agriscience Research, Research Faculty of Agriculture, Hokkaido University, Sapporo 060-8589, Japan
| | - Fumika Yokoyama
- Division of Fundamental Agriscience Research, Research Faculty of Agriculture, Hokkaido University, Sapporo 060-8589, Japan
| | - Satoshi Ishizuka
- Division of Fundamental Agriscience Research, Research Faculty of Agriculture, Hokkaido University, Sapporo 060-8589, Japan.
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