1
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Chen W, Xu Z, Jiang J, Chen H, Shi R. Identification of LPCAT1 as a key biomarker for Crohn's disease based on bioinformatics and machine learnings and experimental verification. Gene 2024; 920:148519. [PMID: 38703867 DOI: 10.1016/j.gene.2024.148519] [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: 12/20/2023] [Revised: 04/26/2024] [Accepted: 04/30/2024] [Indexed: 05/06/2024]
Abstract
Epithelial-mesenchymal transition (EMT) plays a crucial role in regulating inflammatory responses and fibrosis formation. This study aims to explore the molecular mechanisms of EMT-related genes in Crohn's disease (CD) through bioinformatics methods and identify potential key biomarkers. In our research, we identified differentially expressed genes (DEGs) related to EMT based on the GSE52746 dataset and the gene set in the GeneCards database. Key genes were identified through Lasso-cox and Random Forest and validated using the external dataset GSE10616. Immune infiltration analysis showed that Lysophosphatidylcholine acyltransferase 1 (LPCAT1) was positively correlated with Neutrophils and Macrophages M1. The Gene Set Enrichment Analysis (GSEA) results for LPCAT1 showed associations with celladhesionmolecules and ECM receptor interaction. Additionally, a lncRNA-miRNA-mRNA ceRNA network was constructed. Finally, we validated that knocking down LPCAT1 could inhibit the release of inflammatory factors, EMT, and the elevation of fibrosis indices as well as the activation of NF-κB signaling pathway in LPS-induced HT-29 cells. LPCAT1 plays an important role in the occurrence and development of CD and may become a new biomarker.
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Affiliation(s)
- Wei Chen
- Department of Gastroenterology, Zhongda Hospital, Southeast University, Nanjing, 210009, China
| | - Zeyan Xu
- Department of Gastroenterology, Zhongda Hospital, Southeast University, Nanjing, 210009, China
| | - Jingjing Jiang
- Department of Gastroenterology, Zhongda Hospital, Southeast University, Nanjing, 210009, China
| | - Hong Chen
- Department of Gastroenterology, Zhongda Hospital, Southeast University, Nanjing, 210009, China.
| | - Ruihua Shi
- Department of Gastroenterology, Zhongda Hospital, Southeast University, Nanjing, 210009, China.
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2
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Liu Y, Zhang T, Pan K, Wei H. Mechanisms and therapeutic research progress in intestinal fibrosis. Front Med (Lausanne) 2024; 11:1368977. [PMID: 38947241 PMCID: PMC11211380 DOI: 10.3389/fmed.2024.1368977] [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: 01/11/2024] [Accepted: 06/05/2024] [Indexed: 07/02/2024] Open
Abstract
Intestinal fibrosis is a common complication of chronic intestinal diseases with the characteristics of fibroblast proliferation and extracellular matrix deposition after chronic inflammation, leading to lumen narrowing, structural and functional damage to the intestines, and life inconvenience for the patients. However, anti-inflammatory drugs are currently generally not effective in overcoming intestinal fibrosis making surgery the main treatment method. The development of intestinal fibrosis is a slow process and its onset may be the result of the combined action of inflammatory cells, local cytokines, and intestinal stromal cells. The aim of this study is to elucidate the pathogenesis [e.g., extracellular matrix (ECM), cytokines and chemokines, epithelial-mesenchymal transition (EMT), differentiation of fibroblast to myofibroblast and intestinal microbiota] underlying the development of intestinal fibrosis and to explore therapeutic advances (such as regulating ECM, cytokines, chemokines, EMT, differentiation of fibroblast to myofibroblast and targeting TGF-β) based on the pathogenesis in order to gain new insights into the prevention and treatment of intestinal fibrosis.
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Affiliation(s)
- Yanjiang Liu
- School of Basic Medical Sciences, Chengdu Medical College, Chengdu, China
| | - Tao Zhang
- School of Bioscience and Technology, Chengdu Medical College, Chengdu, China
| | - Kejian Pan
- School of Bioscience and Technology, Chengdu Medical College, Chengdu, China
| | - He Wei
- School of Bioscience and Technology, Chengdu Medical College, Chengdu, China
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3
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Ciorba MA, Konnikova L, Hirota SA, Lucchetta EM, Turner JR, Slavin A, Johnson K, Condray CD, Hong S, Cressall BK, Pizarro TT, Hurtado-Lorenzo A, Heller CA, Moss AC, Swantek JL, Garrett WS. Challenges in IBD Research 2024: Preclinical Human IBD Mechanisms. Inflamm Bowel Dis 2024; 30:S5-S18. [PMID: 38778627 DOI: 10.1093/ibd/izae081] [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: 03/15/2024] [Indexed: 05/25/2024]
Abstract
Preclinical human inflammatory bowel disease (IBD) mechanisms is one of 5 focus areas of the Challenges in IBD Research 2024 document, which also includes environmental triggers, novel technologies, precision medicine, and pragmatic clinical research. Herein, we provide a comprehensive overview of current gaps in inflammatory bowel diseases research that relate to preclinical research and deliver actionable approaches to address them with a focus on how these gaps can lead to advancements in IBD interception, remission, and restoration. The document is the result of multidisciplinary input from scientists, clinicians, patients, and funders and represents a valuable resource for patient-centric research prioritization. This preclinical human IBD mechanisms section identifies major research gaps whose investigation will elucidate pathways and mechanisms that can be targeted to address unmet medical needs in IBD. Research gaps were identified in the following areas: genetics, risk alleles, and epigenetics; the microbiome; cell states and interactions; barrier function; IBD complications (specifically fibrosis and stricturing); and extraintestinal manifestations. To address these gaps, we share specific opportunities for investigation for basic and translational scientists and identify priority actions.
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Affiliation(s)
- Matthew A Ciorba
- Inflammatory Bowel Diseases Center, Division of Gastroenterology, Washington University in St. Louis, Saint Louis, MO, USA
| | - Liza Konnikova
- Departments of Pediatrics, Immunobiology, and Obstetric, Gynecology and Reproductive Sciences, Yale School of Medicine, New Haven, CT, USA
| | - Simon A Hirota
- Snyder Institute for Chronic Diseases, Dept. of Physiology and Pharmacology, University of Calgary, Calgary, Alberta, Canada
| | - Elena M Lucchetta
- The Leona M. and Harry B. Helmsley Charitable Trust, New York, NY, USA
| | - Jerrold R Turner
- Departments of Pathology and Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA
| | | | | | - Cass D Condray
- Patient Representative for the Crohn's & Colitis Foundation, New York, NY, USA
| | - Sungmo Hong
- Patient Representative for the Crohn's & Colitis Foundation, New York, NY, USA
| | - Brandon K Cressall
- Patient Representative for the Crohn's & Colitis Foundation, New York, NY, USA
| | - Theresa T Pizarro
- Department of Pathology, Case Western Reserve University School of Medicine, Cleveland, OH, USA
| | | | - Caren A Heller
- Research Department, Crohn's & Colitis Foundation, New York, NY, USA
| | - Alan C Moss
- Research Department, Crohn's & Colitis Foundation, New York, NY, USA
| | | | - Wendy S Garrett
- Department of Immunology and Infectious Diseases, Harvard T. H. Chan School of Public Health, Boston, MA, USA
- The Harvard T. H. Chan Microbiome in Public Health Center, Boston, MA, USA
- Kymera Therapeutics, Watertown, MA, USA
- The Broad Institute of MIT and Harvard, Cambridge, MA, USA
- Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, MA, USA
- Department of Medicine, Harvard Medical School, Boston, MA, USA
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4
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Zhang X, Lyu D, Li S, Xiao H, Qiu Y, Xu K, Chen N, Deng L, Huang H, Wu R. Discovery of a SUCNR1 antagonist for potential treatment of diabetic nephropathy: In silico and in vitro studies. Int J Biol Macromol 2024; 268:131898. [PMID: 38677680 DOI: 10.1016/j.ijbiomac.2024.131898] [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: 03/10/2024] [Revised: 04/23/2024] [Accepted: 04/24/2024] [Indexed: 04/29/2024]
Abstract
Diabetic nephropathy (DN) is one of the most severe complications of diabetes mellitus. Succinate Receptor 1 (SUCNR1), a member of the G-protein-coupled receptor (GPCR) family, represents a potential target for treatment of DN. Here, utilizing multi-strategy in silico virtual screening methods containing AlphaFold2 modelling, molecular dynamics (MD) simulation, ligand-based pharmacophore screening, molecular docking and machine learning-based similarity clustering, we successfully identified a novel antagonist of SUCNR1, AK-968/12117473 (Cpd3). Through extensive in vitro experiments, including dual-luciferase reporter assay, cellular thermal shift assay, immunofluorescence, and western blotting, we substantiated that Cpd3 could specifically target SUCNR1, inhibit the activation of NF-κB pathway, and ameliorate epithelial-mesenchymal transition (EMT) and extracellular matrix (ECM) deposition in renal tubular epithelial cells (NRK-52E) under high glucose conditions. Further in silico simulations revealed the molecular basis of the SUCNR1-Cpd3 interaction, and the in vitro metabolic stability assay indicated favorable drug-like pharmacokinetic properties of Cpd3. This work not only successfully pinpointed Cpd3 as a specific antagonist of SUCNR1 to serve as a promising candidate in the realm of therapeutic interventions for DN, but also provides a paradigm of dry-wet combined discovery strategies for GPCR-based therapeutics.
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Affiliation(s)
- Xuting Zhang
- School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, China; Guangzhou Hospital of Integrated Traditional and Western Medicine, Guangzhou 510801, China
| | - Dongxin Lyu
- School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, China
| | - Shanshan Li
- School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, China
| | - Haiming Xiao
- School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, China
| | - Yufan Qiu
- School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, China
| | - Kangwei Xu
- School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, China
| | - Nianhang Chen
- School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, China
| | - Li Deng
- College of Traditional Chinese Medicine, Jinan University, Guangzhou 510632, China.
| | - Heqing Huang
- Guangzhou Hospital of Integrated Traditional and Western Medicine, Guangzhou 510801, China.
| | - Ruibo Wu
- School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, China.
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5
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Sisto M, Lisi S. Epigenetic Regulation of EMP/EMT-Dependent Fibrosis. Int J Mol Sci 2024; 25:2775. [PMID: 38474021 DOI: 10.3390/ijms25052775] [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: 12/30/2023] [Revised: 02/23/2024] [Accepted: 02/24/2024] [Indexed: 03/14/2024] Open
Abstract
Fibrosis represents a process characterized by excessive deposition of extracellular matrix (ECM) proteins. It often represents the evolution of pathological conditions, causes organ failure, and can, in extreme cases, compromise the functionality of organs to the point of causing death. In recent years, considerable efforts have been made to understand the molecular mechanisms underlying fibrotic evolution and to identify possible therapeutic strategies. Great interest has been aroused by the discovery of a molecular association between epithelial to mesenchymal plasticity (EMP), in particular epithelial to mesenchymal transition (EMT), and fibrogenesis, which has led to the identification of complex molecular mechanisms closely interconnected with each other, which could explain EMT-dependent fibrosis. However, the result remains unsatisfactory from a therapeutic point of view. In recent years, advances in epigenetics, based on chromatin remodeling through various histone modifications or through the intervention of non-coding RNAs (ncRNAs), have provided more information on the fibrotic process, and this could represent a promising path forward for the identification of innovative therapeutic strategies for organ fibrosis. In this review, we summarize current research on epigenetic mechanisms involved in organ fibrosis, with a focus on epigenetic regulation of EMP/EMT-dependent fibrosis.
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Affiliation(s)
- Margherita Sisto
- Department of Translational Biomedicine and Neuroscience (DiBraiN), Section of Human Anatomy and Histology, University of Bari, Piazza Giulio Cesare 1, I-70124 Bari, Italy
| | - Sabrina Lisi
- Department of Translational Biomedicine and Neuroscience (DiBraiN), Section of Human Anatomy and Histology, University of Bari, Piazza Giulio Cesare 1, I-70124 Bari, Italy
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6
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Singh V, West G, Fiocchi C, Good CE, Katz J, Jacobs MR, Dichosa AEK, Flask C, Wesolowski M, McColl C, Grubb B, Ahmed S, Bank NC, Thamma K, Bederman I, Erokwu B, Yang X, Sundrud MS, Menghini P, Basson AR, Ezeji J, Viswanath SE, Veloo A, Sykes DB, Cominelli F, Rodriguez-Palacios A. Clonal Parabacteroides from Gut Microfistulous Tracts as Transmissible Cytotoxic Succinate-Commensal Model of Crohn's Disease Complications. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.01.09.574896. [PMID: 38260564 PMCID: PMC10802508 DOI: 10.1101/2024.01.09.574896] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/24/2024]
Abstract
Crohn's disease (CD) has been traditionally viewed as a chronic inflammatory disease that cause gut wall thickening and complications, including fistulas, by mechanisms not understood. By focusing on Parabacteroides distasonis (presumed modern succinate-producing commensal probiotic), recovered from intestinal microfistulous tracts (cavernous fistulous micropathologies CavFT proposed as intermediate between 'mucosal fissures' and 'fistulas') in two patients that required surgery to remove CD-damaged ilea, we demonstrate that such isolates exert pathogenic/pathobiont roles in mouse models of CD. Our isolates are clonally-related; potentially emerging as transmissible in the community and mice; proinflammatory and adapted to the ileum of germ-free mice prone to CD-like ileitis (SAMP1/YitFc) but not healthy mice (C57BL/6J), and cytotoxic/ATP-depleting to HoxB8-immortalized bone marrow derived myeloid cells from SAMP1/YitFc mice when concurrently exposed to succinate and extracts from CavFT-derived E. coli , but not to cells from healthy mice. With unique genomic features supporting recent genetic exchange with Bacteroides fragilis -BGF539, evidence of international presence in primarily human metagenome databases, these CavFT Pdis isolates could represent to a new opportunistic Parabacteroides species, or subspecies (' cavitamuralis' ) adapted to microfistulous niches in CD.
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Tian S, Paudel D, Hao F, Neupane R, Castro R, Patterson AD, Tiwari AK, Prabhu KS, Singh V. Refined fiber inulin promotes inflammation-associated colon tumorigenesis by modulating microbial succinate production. Cancer Rep (Hoboken) 2023; 6:e1863. [PMID: 37489647 PMCID: PMC10644334 DOI: 10.1002/cnr2.1863] [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: 04/03/2023] [Revised: 06/21/2023] [Accepted: 06/30/2023] [Indexed: 07/26/2023] Open
Abstract
BACKGROUND AND AIM There is an increased risk of colon cancer associated with inflammatory bowel disease (IBD). Dietary fibers (DFs) naturally present in vegetables and whole grains offer numerous beneficial effects on intestinal health. However, the effects of refined DFs on intestinal health remain unclear. Therefore, we elucidated the impact of the refined DF inulin on colonic inflammation and tumorigenesis. METHODS Four-week-old wild-type (WT) mice were fed diets containing insoluble DF cellulose (control) or refined DF inulin for 4 weeks. A subgroup of mice was then switched to drinking water containing dextran sulfate sodium (DSS, 1.4% wt/vol) for colitis induction. In another subgroup of mice, colitis-associated colorectal cancer (CRC) was initiated with three 7-day alternate cycles of DSS following an initial dose of mutagenic substance azoxymethane (AOM; 7.5 mg/kg body weight; i.p.). Post 7 weeks of AOM treatment, mice were euthanized and examined for CRC development. RESULTS Mice consuming inulin-containing diet exhibited severe colitis upon DSS administration, as evidenced by more body weight loss, rectal bleeding, and increased colonic inflammation than the DSS-treated control group. Correspondingly, histological analysis revealed extensive disruption of colon architecture and massive infiltration of immune cells in the inulin-fed group. We next examined the effect of inulin on CRC development. Surprisingly, significant mortality (~50%) was observed in the inulin-fed but not in the control group during the DSS cycle. Consequently, the remaining inulin-fed mice, which completed the study exhibited extensive colon tumorigenesis. Immunohistochemical characterization showed comparatively high expression of the cell proliferation marker Ki67 and activation of the Wnt signaling in tumor sections obtained from the inulin-fed group. Gut microbiota and metabolite analysis revealed expansion of succinate producers and elevated cecal succinate in inulin-fed mice. Human colorectal carcinoma cells (HCT116) proliferated more rapidly when supplemented with succinate in an inflamed environment, suggesting that elevated luminal succinate may contribute to tumorigenesis. CONCLUSIONS Our study uncovers that supplementation of diet with refined inulin induces abnormal succinate accumulation in the intestinal lumen, which in part contributes to promoting colon inflammation and tumorigenesis.
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Affiliation(s)
- Sangshan Tian
- Department of Nutritional SciencesThe Pennsylvania State UniversityUniversity ParkPennsylvaniaUSA
| | - Devendra Paudel
- Department of Nutritional SciencesThe Pennsylvania State UniversityUniversity ParkPennsylvaniaUSA
| | - Fuhua Hao
- Department of Veterinary and Biomedical SciencesThe Pennsylvania State UniversityUniversity ParkPennsylvaniaUSA
| | - Rabin Neupane
- Department of Pharmacology and Experimental TherapeuticsUniversity of ToledoToledoOhioUSA
| | - Rita Castro
- Department of Nutritional SciencesThe Pennsylvania State UniversityUniversity ParkPennsylvaniaUSA
| | - Andrew D. Patterson
- Department of Veterinary and Biomedical SciencesThe Pennsylvania State UniversityUniversity ParkPennsylvaniaUSA
| | - Amit K. Tiwari
- Department of Pharmacology and Experimental TherapeuticsUniversity of ToledoToledoOhioUSA
| | - K. Sandeep Prabhu
- Department of Veterinary and Biomedical SciencesThe Pennsylvania State UniversityUniversity ParkPennsylvaniaUSA
| | - Vishal Singh
- Department of Nutritional SciencesThe Pennsylvania State UniversityUniversity ParkPennsylvaniaUSA
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Zhao X, Wang Y, Xia H, Liu S, Huang Z, He R, Yu L, Meng N, Wang H, You J, Li J, Yam JWP, Xu Y, Cui Y. Roles and Molecular Mechanisms of Biomarkers in Hepatocellular Carcinoma with Microvascular Invasion: A Review. J Clin Transl Hepatol 2023; 11:1170-1183. [PMID: 37577231 PMCID: PMC10412705 DOI: 10.14218/jcth.2022.00013s] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/10/2022] [Revised: 01/18/2023] [Accepted: 03/21/2023] [Indexed: 07/03/2023] Open
Abstract
Hepatocellular carcinoma (HCC) being a leading cause of cancer-related death, has high associated mortality and recurrence rates. It has been of great necessity and urgency to find effective HCC diagnosis and treatment measures. Studies have shown that microvascular invasion (MVI) is an independent risk factor for poor prognosis after hepatectomy. The abnormal expression of biomacromolecules such as circ-RNAs, lncRNAs, STIP1, and PD-L1 in HCC patients is strongly correlated with MVI. Deregulation of several markers mentioned in this review affects the proliferation, invasion, metastasis, EMT, and anti-apoptotic processes of HCC cells through multiple complex mechanisms. Therefore, these biomarkers may have an important clinical role and serve as promising interventional targets for HCC. In this review, we provide a comprehensive overview on the functions and regulatory mechanisms of MVI-related biomarkers in HCC.
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Affiliation(s)
- Xudong Zhao
- Department of Hepatopancreatobiliary Surgery, Second Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang, China
| | - Yudan Wang
- Department of Pathology, School of Clinical Medicine, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong, China
| | - Haoming Xia
- Department of Hepatopancreatobiliary Surgery, Second Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang, China
| | - Shuqiang Liu
- Department of Hepatopancreatobiliary Surgery, Second Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang, China
| | - Ziyue Huang
- Department of Hepatopancreatobiliary Surgery, Second Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang, China
| | - Risheng He
- Department of Hepatopancreatobiliary Surgery, Second Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang, China
| | - Liang Yu
- Department of Hepatopancreatobiliary Surgery, Second Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang, China
- Department of Pathology, School of Clinical Medicine, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong, China
| | - Nanfeng Meng
- Department of Hepatopancreatobiliary Surgery, Second Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang, China
| | - Hang Wang
- Department of Hepatopancreatobiliary Surgery, Second Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang, China
| | - Junqi You
- Department of Hepatopancreatobiliary Surgery, Second Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang, China
| | - Jinglin Li
- Department of Hepatopancreatobiliary Surgery, Second Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang, China
| | - Judy Wai Ping Yam
- Department of Pathology, School of Clinical Medicine, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong, China
| | - Yi Xu
- Department of Hepatopancreatobiliary Surgery, Second Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang, China
- Department of Pathology, School of Clinical Medicine, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong, China
- Key Laboratory of Basic Pharmacology of Ministry of Education, Zunyi Medical University, Zunyi, Guizhou, China
- Key Laboratory of Functional and Clinical Translational Medicine, Fujian Province University, Xiamen Medical College, Xiamen, Fujian, China
- Jiangsu Province Engineering Research Center of Tumor Targeted Nano Diagnostic and Therapeutic Materials, Yancheng Teachers University, Yancheng, Jiangsu, China
- Key Laboratory of Biomarkers and In Vitro Diagnosis Translation of Zhejiang province, Hangzhou, Zhejiang, China
- Key Laboratory of Gastrointestinal Cancer (Fujian Medical University), Ministry of Education, School of Basic Medical Sciences, Fujian Medical University, Fuzhou, Fujian, China
- State Key Laboratory of Chemical Oncogenomics, Key Laboratory of Chemical Genomics, Peking University Shenzhen Graduate School, Shenzhen, Guangdong, China
- Key Laboratory of Intelligent Pharmacy and Individualized Therapy of Huzhou, Department of Pharmacy, Changxing People’s Hospital, Changxing, Zhejiang, China
| | - Yunfu Cui
- Department of Hepatopancreatobiliary Surgery, Second Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang, China
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Li J, Xu JZ, Dou B, Huang TF, Chen J, Wang TM, Ouyang HJ. Circ_0001666 upregulation promotes intestinal epithelial cell fibrosis in pediatric Crohn's disease via the SRSF1/BMP7 axis. Kaohsiung J Med Sci 2023; 39:966-977. [PMID: 37530654 DOI: 10.1002/kjm2.12734] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2023] [Revised: 06/15/2023] [Accepted: 06/26/2023] [Indexed: 08/03/2023] Open
Abstract
The epithelial-mesenchymal transition (EMT) is closely associated with Crohn's disease (CD) related intestinal fibrosis, a condition whose prevalence is increasing annually among children. Recently, the CD marker gene microarray screening revealed an upregulation of circ_0001666 in the colon tissues of CD patients, but its underlying mechanisms remain unclear. In this study, we explored the molecular mechanism of circ_0001666 in regulating EMT-mediated fibrosis in CD in vitro. The levels of circ_0001666 and EMT-associated proteins were assessed in CD clinical samples, and a CD cell model was established using TGF-β1 to induce human intestinal epithelial cells (HIECs). Additionally, the expression levels of genes and proteins related to EMT and fibrosis were analyzed by quantitative real-time PCR and western blot, cell migration, and invasion were assessed via wound healing assay and transwell, respectively, and RNA pull-down and RNA immunoprecipitation assays were performed to verify the relationship between SRSF1 and BMP7 or circ_0001666. Circ_0001666 was overexpressed in the intestinal mucosal tissues of CD patients and was positively correlated with EMT. Silencing circ_0001666 inhibited the migration, invasion, EMT, and fibrosis of HIECs induced by TGF-β1. Mechanistically, circ_0001666 regulated BMP7 expression by interacting with SRSF1. Furthermore, the effects of inhibiting circ_0001666 on HIECs could be partially reversed by overexpressing SRSF1 or silencing BMP7. Collectively, circ_0001666 regulates TGF-β1-induced HIEC migration, invasion, EMT, and fibrosis. Circ_0001666 also promoted EMT-mediated fibrosis by interacting with SRSF1 to accelerate BMP7 mRNA decay. These findings provide new insights into the pathogenesis of CD and suggest that circ_0001666 might be a potential therapeutic target for CD.
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Affiliation(s)
- Jun Li
- Department of Pediatrics, Changsha Maternal and Child Health Hospital, Changsha, Hunan Province, China
| | - Ji-Zhi Xu
- Department of Pediatrics, Changsha Maternal and Child Health Hospital, Changsha, Hunan Province, China
| | - Bo Dou
- Department of Pediatrics, Xiangya Hospital, Central South University, Changsha, Hunan Province, China
| | - Teng-Fei Huang
- Department of Pediatrics, Changsha Maternal and Child Health Hospital, Changsha, Hunan Province, China
| | - Jie Chen
- Department of Pediatrics, Changsha Maternal and Child Health Hospital, Changsha, Hunan Province, China
| | - Tuan-Mei Wang
- Department of Pediatrics, Changsha Maternal and Child Health Hospital, Changsha, Hunan Province, China
| | - Hong-Juan Ouyang
- Department of Digestive Nutrition, Hunan Children's Hospital, Changsha, Hunan Province, China
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10
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Macias-Ceja DC, Mendoza-Ballesteros MT, Ortega-Albiach M, Barrachina MD, Ortiz-Masià D. Role of the epithelial barrier in intestinal fibrosis associated with inflammatory bowel disease: relevance of the epithelial-to mesenchymal transition. Front Cell Dev Biol 2023; 11:1258843. [PMID: 37822869 PMCID: PMC10562728 DOI: 10.3389/fcell.2023.1258843] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2023] [Accepted: 09/14/2023] [Indexed: 10/13/2023] Open
Abstract
In inflammatory bowel disease (IBD), chronic inflammation in the gastrointestinal tract can lead to tissue damage and remodelling, which can ultimately result in fibrosis. Prolonged injury and inflammation can trigger the activation of fibroblasts and extracellular matrix (ECM) components. As fibrosis progresses, the tissue becomes increasingly stiff and less functional, which can lead to complications such as intestinal strictures, obstructive symptoms, and eventually, organ dysfunction. Epithelial cells play a key role in fibrosis, as they secrete cytokines and growth factors that promote fibroblast activation and ECM deposition. Additionally, epithelial cells can undergo a process called epithelial-mesenchymal transition, in which they acquire a more mesenchymal-like phenotype and contribute directly to fibroblast activation and ECM deposition. Overall, the interactions between epithelial cells, immune cells, and fibroblasts play a critical role in the development and progression of fibrosis in IBD. Understanding these complex interactions may provide new targets for therapeutic interventions to prevent or treat fibrosis in IBD. In this review, we have collected and discussed the recent literature highlighting the contribution of epithelial cells to the pathogenesis of the fibrotic complications of IBD, including evidence of EMT, the epigenetic control of the EMT, the potential influence of the intestinal microbiome in EMT, and the possible therapeutic strategies to target EMT. Finally we discuss the pro-fibrotic interactions epithelial-immune cells and epithelial-fibroblasts cells.
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Affiliation(s)
- Dulce C. Macias-Ceja
- Departamento de Farmacología and CIBEREHD, Facultad de Medicina, Universidad de Valencia, Valencia, Spain
| | | | | | - M. Dolores Barrachina
- Departamento de Farmacología and CIBEREHD, Facultad de Medicina, Universidad de Valencia, Valencia, Spain
| | - Dolores Ortiz-Masià
- Departamento de Farmacología and CIBEREHD, Facultad de Medicina, Universidad de Valencia, Valencia, Spain
- Departamento de Medicina, Facultad de Medicina, Universidad de Valencia, Valencia, Spain
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11
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Lis-López L, Bauset C, Seco-Cervera M, Macias-Ceja D, Navarro F, Álvarez Á, Esplugues JV, Calatayud S, Barrachina MD, Ortiz-Masià D, Cosín-Roger J. P2X7 Receptor Regulates Collagen Expression in Human Intestinal Fibroblasts: Relevance in Intestinal Fibrosis. Int J Mol Sci 2023; 24:12936. [PMID: 37629116 PMCID: PMC10454509 DOI: 10.3390/ijms241612936] [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: 07/07/2023] [Revised: 08/15/2023] [Accepted: 08/16/2023] [Indexed: 08/27/2023] Open
Abstract
Intestinal fibrosis is a common complication that affects more than 50% of Crohn´s Disease (CD) patients. There is no pharmacological treatment against this complication, with surgery being the only option. Due to the unknown role of P2X7 in intestinal fibrosis, we aim to analyze the relevance of this receptor in CD complications. Surgical resections from CD and non-Inflammatory Bowel Disease (IBD) patients were obtained. Intestinal fibrosis was induced with two different murine models: heterotopic transplant model and chronic-DSS colitis in wild-type and P2X7-/- mice. Human small intestine fibroblasts (HSIFs) were transfected with an siRNA against P2X7 and treated with TGF-β. A gene and protein expression of P2X7 receptor was significantly increased in CD compared to non-IBD patients. The lack of P2X7 in mice provoked an enhanced collagen deposition and increased expression of several profibrotic markers in both murine models of intestinal fibrosis. Furthermore, P2X7-/- mice exhibited a higher expression of proinflammatory cytokines and a lower expression of M2 macrophage markers. Moreover, the transient silencing of the P2X7 receptor in HSIFs significantly induced the expression of Col1a1 and potentiated the expression of Col4 and Col5a1 after TGF-β treatment. P2X7 regulates collagen expression in human intestinal fibroblasts, while the lack of this receptor aggravates intestinal fibrosis.
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Affiliation(s)
- Lluis Lis-López
- Departamento de Farmacología, Facultad de Medicina, Universidad de Valencia, 46010 Valencia, Spain; (L.L.-L.); (C.B.); (D.M.-C.); (Á.Á.); (J.V.E.); (S.C.); (M.D.B.)
| | - Cristina Bauset
- Departamento de Farmacología, Facultad de Medicina, Universidad de Valencia, 46010 Valencia, Spain; (L.L.-L.); (C.B.); (D.M.-C.); (Á.Á.); (J.V.E.); (S.C.); (M.D.B.)
| | - Marta Seco-Cervera
- FISABIO (Fundación para el Fomento de la Investigación Sanitaria y Biomédica), Hospital Dr. Peset, 46017 Valencia, Spain;
| | - Dulce Macias-Ceja
- Departamento de Farmacología, Facultad de Medicina, Universidad de Valencia, 46010 Valencia, Spain; (L.L.-L.); (C.B.); (D.M.-C.); (Á.Á.); (J.V.E.); (S.C.); (M.D.B.)
| | - Francisco Navarro
- Servicio Cirugía y Coloproctología, Hospital de Manises, 46940 Valencia, Spain;
| | - Ángeles Álvarez
- Departamento de Farmacología, Facultad de Medicina, Universidad de Valencia, 46010 Valencia, Spain; (L.L.-L.); (C.B.); (D.M.-C.); (Á.Á.); (J.V.E.); (S.C.); (M.D.B.)
- CIBERehd (Centro de Investigaciones en Red Enfermedad Hepática y Digestiva), 28029 Madrid, Spain
| | - Juan Vicente Esplugues
- Departamento de Farmacología, Facultad de Medicina, Universidad de Valencia, 46010 Valencia, Spain; (L.L.-L.); (C.B.); (D.M.-C.); (Á.Á.); (J.V.E.); (S.C.); (M.D.B.)
- CIBERehd (Centro de Investigaciones en Red Enfermedad Hepática y Digestiva), 28029 Madrid, Spain
| | - Sara Calatayud
- Departamento de Farmacología, Facultad de Medicina, Universidad de Valencia, 46010 Valencia, Spain; (L.L.-L.); (C.B.); (D.M.-C.); (Á.Á.); (J.V.E.); (S.C.); (M.D.B.)
- CIBERehd (Centro de Investigaciones en Red Enfermedad Hepática y Digestiva), 28029 Madrid, Spain
| | - Maria Dolores Barrachina
- Departamento de Farmacología, Facultad de Medicina, Universidad de Valencia, 46010 Valencia, Spain; (L.L.-L.); (C.B.); (D.M.-C.); (Á.Á.); (J.V.E.); (S.C.); (M.D.B.)
- CIBERehd (Centro de Investigaciones en Red Enfermedad Hepática y Digestiva), 28029 Madrid, Spain
| | - Dolores Ortiz-Masià
- CIBERehd (Centro de Investigaciones en Red Enfermedad Hepática y Digestiva), 28029 Madrid, Spain
- Departamento de Medicina, Facultad de Medicina, Universidad de Valencia, 46010 Valencia, Spain;
| | - Jesús Cosín-Roger
- Departamento de Farmacología, Facultad de Medicina, Universidad de Valencia, 46010 Valencia, Spain; (L.L.-L.); (C.B.); (D.M.-C.); (Á.Á.); (J.V.E.); (S.C.); (M.D.B.)
- CIBERehd (Centro de Investigaciones en Red Enfermedad Hepática y Digestiva), 28029 Madrid, Spain
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Turano M, Vicidomini R, Cammarota F, D'Agostino V, Duraturo F, Izzo P, Rosa MD. The Epithelial to Mesenchymal Transition in Colorectal Cancer Progression: The Emerging Role of Succinate Dehydrogenase Alterations and Succinate Accumulation. Biomedicines 2023; 11:biomedicines11051428. [PMID: 37239099 DOI: 10.3390/biomedicines11051428] [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: 04/01/2023] [Revised: 05/08/2023] [Accepted: 05/09/2023] [Indexed: 05/28/2023] Open
Abstract
Colorectal cancer (CRC) stands as the third most significant contributor to cancer-related mortality worldwide. A major underlying reason is that the detection of CRC usually occurs at an advanced metastatic stage, rendering therapies ineffective. In the progression from the in situ neoplasia stage to the advanced metastatic stage, a critical molecular mechanism involved is the epithelial-to-mesenchymal transition (EMT). This intricate transformation consists of a series of molecular changes, ultimately leading the epithelial cell to relinquish its features and acquire mesenchymal and stem-like cell characteristics. The EMT regulation involves several factors, such as transcription factors, cytokines, micro RNAs and long noncoding RNAs. Nevertheless, recent studies have illuminated an emerging link between metabolic alterations and EMT in various types of cancers, including colorectal cancers. In this review, we delved into the pivotal role played by EMT during CRC progression, with a focus on highlighting the relationship between the alterations of the tricarboxylic acid cycle, specifically those involving the succinate dehydrogenase enzyme, and the activation of the EMT program. In fact, emerging evidence supports the idea that elucidating the metabolic modifications that can either induce or inhibit tumor progression could be of immense significance for shaping new therapeutic approaches and preventative measures. We conclude that an extensive effort must be directed towards research for the standardization of drugs that specifically target proteins such as SDH and SUCNR1, but also TRAP1, PDH, ERK1/2, STAT3 and the HIF1-α catabolism.
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Affiliation(s)
- Mimmo Turano
- Department of Biology, University of Naples Federico II, 80126 Naples, Italy
| | - Rosario Vicidomini
- Section on Cellular Communication, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, MD 20892, USA
| | - Francesca Cammarota
- Department of Molecular Medicine and Medical Biotechnology, University of Naples Federico II, 80131 Naples, Italy
- CEINGE-Biotecnologie Avanzate Franco Salvatore, 80131 Naples, Italy
| | - Valeria D'Agostino
- Department of Molecular Medicine and Medical Biotechnology, University of Naples Federico II, 80131 Naples, Italy
| | - Francesca Duraturo
- Department of Molecular Medicine and Medical Biotechnology, University of Naples Federico II, 80131 Naples, Italy
- CEINGE-Biotecnologie Avanzate Franco Salvatore, 80131 Naples, Italy
| | - Paola Izzo
- Department of Molecular Medicine and Medical Biotechnology, University of Naples Federico II, 80131 Naples, Italy
| | - Marina De Rosa
- Department of Molecular Medicine and Medical Biotechnology, University of Naples Federico II, 80131 Naples, Italy
- CEINGE-Biotecnologie Avanzate Franco Salvatore, 80131 Naples, Italy
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Puwei S, Jiali X, Zhuoga D, Kede W, Patel N, Jia A, Jirong Q, Xuming M. Bioinformatic analysis identifies GPR91 as a potential key gene in brain injury after deep hypothermic low flow. Heliyon 2023; 9:e15286. [PMID: 37187908 PMCID: PMC10176032 DOI: 10.1016/j.heliyon.2023.e15286] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2022] [Revised: 03/21/2023] [Accepted: 03/31/2023] [Indexed: 05/17/2023] Open
Abstract
Purpose Explore the transcription change of brain ischemia and reperfusion injury after deep hypothermic low flow. Method The data from PRJNA739516 and GSE104036 were obtained for the differentially expressed genes identification, functional enrichment analysis, gene set enrichment analysis, protein-protein interaction construction and hub gene identification. Oxygen and glucose deprivation model was set to validate the hub gene and explore the detailed brain injury mechanism. Result Interleukin, immunological response, NF-κB signaling pathway, G protein-coupled receptor signaling pathway and NLRP inflammatory are functional pathway were enriched in differentially expressed genes analysis. Sucnr1, Casr, Cxcr4, C5ar1, Tas2r41, Tas2r60 and Hcar2 were identified and verified in the OGD model. Knocking down GPR91 reduces the inflammatory response after OGD and GPR91 may be involved in the inflammatory pre-reaction through the synergistic activation of NF-κB, NLRP3, and IL-1β respectively. Conclusion Our study found that Interleukin, immunological response, NF-κB signaling pathway, G protein-coupled receptor signaling pathway and NLRP inflammatory are all associated with brain ischemia and reperfusion injury after deep hypothermic low flow and GPR91 can activate NF-κB/NLRP3 pathway and trigger the release of IL-1β in this progress.
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Affiliation(s)
- Song Puwei
- Department of Cardiothoracic Surgery, Children's Hospital of Nanjing Medical University, Nanjing, 210008, China
| | - Xu Jiali
- Department of Cardiothoracic Surgery, Children's Hospital of Nanjing Medical University, Nanjing, 210008, China
| | - Deqin Zhuoga
- Department of Cardiothoracic Surgery, Nanjing Children's Hospital, Medical School of Nanjing University, Nanjing, 210093, China
| | - Wu Kede
- Department of Cardiothoracic Surgery, Children's Hospital of Nanjing Medical University, Nanjing, 210008, China
| | - Nishant Patel
- Department of Cardiothoracic Surgery, Nanjing Children's Hospital, Medical School of Nanjing University, Nanjing, 210093, China
- Department of Cardiothoracic Surgery, Children's Hospital of Nanjing Medical University, Nanjing, 210008, China
| | - An Jia
- Department of Cardiothoracic Surgery, Nanjing Children's Hospital, Medical School of Nanjing University, Nanjing, 210093, China
| | - Qi Jirong
- Department of Cardiothoracic Surgery, Children's Hospital of Nanjing Medical University, Nanjing, 210008, China
- Corresponding author. Department of Cardiothoracic Surgery, Nanjing Children's Hospital, Medical School of Nanjing Children University, Nanjing, 210093, China.
| | - Mo Xuming
- Department of Cardiothoracic Surgery, Nanjing Children's Hospital, Medical School of Nanjing University, Nanjing, 210093, China
- Department of Cardiothoracic Surgery, Children's Hospital of Nanjing Medical University, Nanjing, 210008, China
- Corresponding author. Department of Cardiothoracic Surgery, Nanjing Children's Hospital, Medical School of Nanjing University, Nanjing, 210093, China.
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Alexander JL, Mullish BH, Danckert NP, Liu Z, Olbei ML, Saifuddin A, Torkizadeh M, Ibraheim H, Blanco JM, Roberts LA, Bewshea CM, Nice R, Lin S, Prabhudev H, Sands C, Horneffer-van der Sluis V, Lewis M, Sebastian S, Lees CW, Teare JP, Hart A, Goodhand JR, Kennedy NA, Korcsmaros T, Marchesi JR, Ahmad T, Powell N. The gut microbiota and metabolome are associated with diminished COVID-19 vaccine-induced antibody responses in immunosuppressed inflammatory bowel disease patients. EBioMedicine 2023; 88:104430. [PMID: 36634565 PMCID: PMC9831064 DOI: 10.1016/j.ebiom.2022.104430] [Citation(s) in RCA: 19] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2022] [Revised: 10/07/2022] [Accepted: 12/16/2022] [Indexed: 01/12/2023] Open
Abstract
BACKGROUND Patients with inflammatory bowel disease (IBD) treated with anti-TNF therapy exhibit attenuated humoral immune responses to vaccination against SARS-CoV-2. The gut microbiota and its functional metabolic output, which are perturbed in IBD, play an important role in shaping host immune responses. We explored whether the gut microbiota and metabolome could explain variation in anti-SARS-CoV-2 vaccination responses in immunosuppressed IBD patients. METHODS Faecal and serum samples were prospectively collected from infliximab-treated patients with IBD in the CLARITY-IBD study undergoing vaccination against SARS-CoV-2. Antibody responses were measured following two doses of either ChAdOx1 nCoV-19 or BNT162b2 vaccine. Patients were classified as having responses above or below the geometric mean of the wider CLARITY-IBD cohort. 16S rRNA gene amplicon sequencing, nuclear magnetic resonance (NMR) spectroscopy and bile acid profiling with ultra-high-performance liquid chromatography mass spectrometry (UHPLC-MS) were performed on faecal samples. Univariate, multivariable and correlation analyses were performed to determine gut microbial and metabolomic predictors of response to vaccination. FINDINGS Forty-three infliximab-treated patients with IBD were recruited (30 Crohn's disease, 12 ulcerative colitis, 1 IBD-unclassified; 26 with concomitant thiopurine therapy). Eight patients had evidence of prior SARS-CoV-2 infection. Seventeen patients (39.5%) had a serological response below the geometric mean. Gut microbiota diversity was lower in below average responders (p = 0.037). Bilophila abundance was associated with better serological response, while Streptococcus was associated with poorer response. The faecal metabolome was distinct between above and below average responders (OPLS-DA R2X 0.25, R2Y 0.26, Q2 0.15; CV-ANOVA p = 0.038). Trimethylamine, isobutyrate and omega-muricholic acid were associated with better response, while succinate, phenylalanine, taurolithocholate and taurodeoxycholate were associated with poorer response. INTERPRETATION Our data suggest that there is an association between the gut microbiota and variable serological response to vaccination against SARS-CoV-2 in immunocompromised patients. Microbial metabolites including trimethylamine may be important in mitigating anti-TNF-induced attenuation of the immune response. FUNDING JLA is the recipient of an NIHR Academic Clinical Lectureship (CL-2019-21-502), funded by Imperial College London and The Joyce and Norman Freed Charitable Trust. BHM is the recipient of an NIHR Academic Clinical Lectureship (CL-2019-21-002). The Division of Digestive Diseases at Imperial College London receives financial and infrastructure support from the NIHR Imperial Biomedical Research Centre (BRC) based at Imperial College Healthcare NHS Trust and Imperial College London. Metabolomics studies were performed at the MRC-NIHR National Phenome Centre at Imperial College London; this work was supported by the Medical Research Council (MRC), the National Institute of Health Research (NIHR) (grant number MC_PC_12025) and infrastructure support was provided by the NIHR Imperial Biomedical Research Centre (BRC). The NIHR Exeter Clinical Research Facility is a partnership between the University of Exeter Medical School College of Medicine and Health, and Royal Devon and Exeter NHS Foundation Trust. This project is supported by the National Institute for Health Research (NIHR) Exeter Clinical Research Facility. The views expressed are those of the authors and not necessarily those of the NIHR or the UK Department of Health and Social Care.
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Affiliation(s)
- James L Alexander
- Division of Digestive Diseases, Department of Metabolism, Digestion and Reproduction, Faculty of Medicine, Imperial College London, London, United Kingdom; Department of Gastroenterology and Hepatology, Imperial College Healthcare NHS Trust, London, United Kingdom.
| | - Benjamin H Mullish
- Division of Digestive Diseases, Department of Metabolism, Digestion and Reproduction, Faculty of Medicine, Imperial College London, London, United Kingdom; Department of Gastroenterology and Hepatology, Imperial College Healthcare NHS Trust, London, United Kingdom
| | - Nathan P Danckert
- Division of Digestive Diseases, Department of Metabolism, Digestion and Reproduction, Faculty of Medicine, Imperial College London, London, United Kingdom
| | - Zhigang Liu
- Division of Digestive Diseases, Department of Metabolism, Digestion and Reproduction, Faculty of Medicine, Imperial College London, London, United Kingdom
| | - Marton L Olbei
- Division of Digestive Diseases, Department of Metabolism, Digestion and Reproduction, Faculty of Medicine, Imperial College London, London, United Kingdom
| | - Aamir Saifuddin
- Division of Digestive Diseases, Department of Metabolism, Digestion and Reproduction, Faculty of Medicine, Imperial College London, London, United Kingdom; St Mark's Hospital and Academic Institute, Harrow, London, United Kingdom
| | - Melissa Torkizadeh
- Division of Digestive Diseases, Department of Metabolism, Digestion and Reproduction, Faculty of Medicine, Imperial College London, London, United Kingdom; King's College London, London, United Kingdom
| | - Hajir Ibraheim
- Division of Digestive Diseases, Department of Metabolism, Digestion and Reproduction, Faculty of Medicine, Imperial College London, London, United Kingdom; Department of Gastroenterology and Hepatology, Imperial College Healthcare NHS Trust, London, United Kingdom
| | - Jesús Miguéns Blanco
- Division of Digestive Diseases, Department of Metabolism, Digestion and Reproduction, Faculty of Medicine, Imperial College London, London, United Kingdom
| | - Lauren A Roberts
- Division of Digestive Diseases, Department of Metabolism, Digestion and Reproduction, Faculty of Medicine, Imperial College London, London, United Kingdom
| | | | - Rachel Nice
- University of Exeter, Exeter, Devon, United Kingdom; Department of Gastroenterology, Royal Devon and Exeter NHS Foundation Trust, Exeter, Devon, United Kingdom
| | - Simeng Lin
- University of Exeter, Exeter, Devon, United Kingdom; Department of Gastroenterology, Royal Devon and Exeter NHS Foundation Trust, Exeter, Devon, United Kingdom
| | - Hemanth Prabhudev
- Department of Gastroenterology and Hepatology, Imperial College Healthcare NHS Trust, London, United Kingdom
| | - Caroline Sands
- National Phenome Centre, Department of Metabolism, Digestion and Reproduction, Faculty of Medicine, Imperial College London, London, United Kingdom
| | - Verena Horneffer-van der Sluis
- National Phenome Centre, Department of Metabolism, Digestion and Reproduction, Faculty of Medicine, Imperial College London, London, United Kingdom
| | - Matthew Lewis
- National Phenome Centre, Department of Metabolism, Digestion and Reproduction, Faculty of Medicine, Imperial College London, London, United Kingdom
| | - Shaji Sebastian
- Hull University Teaching Hospitals NHS Trust, Gastroenterology, Hull, United Kingdom; University of Hull, Hull York Medical School, Hull, United Kingdom
| | - Charlie W Lees
- Western General Hospital, Edinburgh, United Kingdom; The University of Edinburgh Centre for Genomic and Experimental Medicine, Edinburgh, United Kingdom
| | - Julian P Teare
- Division of Digestive Diseases, Department of Metabolism, Digestion and Reproduction, Faculty of Medicine, Imperial College London, London, United Kingdom
| | - Ailsa Hart
- Division of Digestive Diseases, Department of Metabolism, Digestion and Reproduction, Faculty of Medicine, Imperial College London, London, United Kingdom; St Mark's Hospital and Academic Institute, Harrow, London, United Kingdom
| | - James R Goodhand
- University of Exeter, Exeter, Devon, United Kingdom; Department of Gastroenterology, Royal Devon and Exeter NHS Foundation Trust, Exeter, Devon, United Kingdom
| | - Nicholas A Kennedy
- University of Exeter, Exeter, Devon, United Kingdom; Department of Gastroenterology, Royal Devon and Exeter NHS Foundation Trust, Exeter, Devon, United Kingdom
| | - Tamas Korcsmaros
- Division of Digestive Diseases, Department of Metabolism, Digestion and Reproduction, Faculty of Medicine, Imperial College London, London, United Kingdom; Earlham Institute, Norwich, United Kingdom; Quadram Institute Bioscience, Norwich, United Kingdom
| | - Julian R Marchesi
- Division of Digestive Diseases, Department of Metabolism, Digestion and Reproduction, Faculty of Medicine, Imperial College London, London, United Kingdom
| | - Tariq Ahmad
- University of Exeter, Exeter, Devon, United Kingdom; Department of Gastroenterology, Royal Devon and Exeter NHS Foundation Trust, Exeter, Devon, United Kingdom
| | - Nick Powell
- Division of Digestive Diseases, Department of Metabolism, Digestion and Reproduction, Faculty of Medicine, Imperial College London, London, United Kingdom; Department of Gastroenterology and Hepatology, Imperial College Healthcare NHS Trust, London, United Kingdom.
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Rectal swabs as a viable alternative to faecal sampling for the analysis of gut microbiota functionality and composition. Sci Rep 2023; 13:493. [PMID: 36627399 PMCID: PMC9831010 DOI: 10.1038/s41598-022-27131-9] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2022] [Accepted: 12/26/2022] [Indexed: 01/11/2023] Open
Abstract
Faecal or biopsy samples are frequently used to analyse the gut microbiota, but issues remain with the provision and collection of such samples. Rectal swabs are widely-utilised in clinical practice and previous data demonstrate their potential role in microbiota analyses; however, studies to date have been heterogenous, and there are a particular lack of data concerning the utility of swabs for the analysis of the microbiota's functionality and metabolome. We compared paired stool and rectal swab samples from healthy individuals to investigate whether rectal swabs are a reliable proxy for faecal sampling. There were no significant differences in key alpha and beta diversity measures between swab and faecal samples, and inter-subject variability was preserved. Additionally, no significant differences were demonstrated in abundance of major annotated phyla. Inferred gut functionality using Tax4Fun2 showed excellent correlation between the two sampling techniques (Pearson's coefficient r = 0.9217, P < 0.0001). Proton nuclear magnetic resonance (1H NMR) spectroscopy enabled the detection of 20 metabolites, with overall excellent correlation identified between rectal swab and faecal samples for levels all metabolites collectively, although more variable degrees of association between swab and stool for levels of individual metabolites. These data support the utility of rectal swabs in both compositional and functional analyses of the gut microbiota.
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Liu J, Gong W, Liu P, Li Y, Jiang H, Wu X, Zhao Y, Ren J. Macrophages-microenvironment crosstalk in fibrostenotic inflammatory bowel disease: from basic mechanisms to clinical applications. Expert Opin Ther Targets 2022; 26:1011-1026. [PMID: 36573664 DOI: 10.1080/14728222.2022.2161889] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
INTRODUCTION Intestinal fibrosis is a common complication of Inflammatory Bowel Disease (IBD) with no available drugs. The current therapeutic principle is surgical intervention as the core. Intestinal macrophages contribute to both the progression of inflammation and fibrosis. Understanding the role of macrophages in the intestinal microenvironment could bring new hope for fibrosis prevention or even reversal. AREAS COVERED This article reviewed the most relevant reports on macrophage in the field of intestinal fibrosis. The authors discussed current opinions about how intestinal macrophages function and interact with surrounding mediators during inflammation resolution and fibrostenotic IBD. Based on biological mechanisms findings, authors summarized related clinical trial outcomes. EXPERT OPINION The plasticity of intestinal macrophages allows them to undergo dramatic alterations in their phenotypes or functions when exposed to gastrointestinal environmental stimuli. They exhibit distinct metabolic characteristics, secrete various cytokines, express unique surface markers, and transmit different signals. Nevertheless, the specific mechanism through which the intestinal macrophages contribute to intestinal fibrosis remains unclear. It should further elucidate a novel therapeutic approach by targeting macrophages, especially distinct mechanisms in specific subgroups of macrophages involved in the progression of fibrogenesis in IBD.
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Affiliation(s)
- Juanhan Liu
- Department of General Surgery, Research Institute of General Surgery, Jinling Hospital, Medical School of Nanjing University, 305 East Zhongshan Road, 210002, Nanjing, P. R. China
| | - Wenbin Gong
- Department of General Surgery, Southeast University, 210096, Nanjing, P. R. China
| | - Peizhao Liu
- Department of General Surgery, Research Institute of General Surgery, Jinling Hospital, Medical School of Nanjing University, 305 East Zhongshan Road, 210002, Nanjing, P. R. China
| | - Yangguang Li
- Department of General Surgery, Research Institute of General Surgery, Jinling Hospital, Medical School of Nanjing University, 305 East Zhongshan Road, 210002, Nanjing, P. R. China
| | - Haiyang Jiang
- Department of General Surgery, BenQ Medical Center, The Affiliated BenQ Hospital of Nanjing Medical University, 210019, Nanjing, P. R. China
| | - Xiuwen Wu
- Department of General Surgery, Research Institute of General Surgery, Jinling Hospital, Medical School of Nanjing University, 305 East Zhongshan Road, 210002, Nanjing, P. R. China
| | - Yun Zhao
- Department of General Surgery, BenQ Medical Center, The Affiliated BenQ Hospital of Nanjing Medical University, 210019, Nanjing, P. R. China
| | - Jianan Ren
- Department of General Surgery, Research Institute of General Surgery, Jinling Hospital, Medical School of Nanjing University, 305 East Zhongshan Road, 210002, Nanjing, P. R. China
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Pathogenesis of Fistulating Crohn's Disease: A Review. Cell Mol Gastroenterol Hepatol 2022; 15:1-11. [PMID: 36184031 PMCID: PMC9667304 DOI: 10.1016/j.jcmgh.2022.09.011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/29/2022] [Revised: 09/20/2022] [Accepted: 09/20/2022] [Indexed: 12/10/2022]
Abstract
Sustained, transmural inflammation of the bowel wall may result in the development of a fistula in Crohn's disease (CD). Fistula formation is a recognized complication and cause of morbidity, occurring in 40% of patients with CD. Despite advanced treatment, one-third of patients experience recurrent fistulae. Development of targeting treatment for fistulae will be dependent on a more in depth understanding of its pathogenesis. Presently, pathogenesis of CD-associated fistulae remains poorly defined, in part due to the lack of accepted in vitro tissue models recapitulating the pathogenic cellular lesions linked to fistulae and limited in vivo models. This review provides a synthesis of the existing knowledge of the histopathological, immune, cellular, genetic, and microbial contributions to the pathogenesis of CD-associated fistulae including the widely accredited contribution of epithelial-to-mesenchymal transition, upregulation of matrix metalloproteinases, and overexpression of invasive molecules, resulting in tissue remodeling and subsequent fistula formation. We conclude by exploring how we might utilize advancing technologies to verify and broaden our current understanding while exploring novel causal pathways to provide further inroads to future therapeutic targets.
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Yao H, Tang G. Macrophages in intestinal fibrosis and regression. Cell Immunol 2022; 381:104614. [PMID: 36182587 DOI: 10.1016/j.cellimm.2022.104614] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2022] [Revised: 09/14/2022] [Accepted: 09/20/2022] [Indexed: 11/03/2022]
Abstract
Intestinal macrophages are heterogenous cell populations with different developmental ontogeny and tissue anatomy. The concerted actions of intestinal macrophage subsets are critical to maintaining tissue homeostasis. However, the dysregulation of macrophages following tissue injury or chronic inflammation could also lead to intestinal fibrosis, with few treatment options in the clinic. In this review, we will characterize the features of intestinal macrophages in light of the latest advances in lineage tracing and single-cell sequencing technology. The roles of macrophages in distinct stages of intestinal fibrosis would be also elaborated. Finally, based on the reciprocal interaction between macrophages and intestinal fibrosis, we will propose the potential macrophage targeting anti-intestinal fibrosis therapies.
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Affiliation(s)
- Hui Yao
- Department of Oral Medicine, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200011, China; College of Stomatology, Shanghai Jiao Tong University, Shanghai 200011, China; National Center for Stomatology, Shanghai 200011, China; National Clinical Research Center for Oral Diseases, Shanghai 200011, China; Shanghai Key Laboratory of Stomatology, Shanghai 200011, China
| | - Guoyao Tang
- Department of Oral Medicine, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200011, China; College of Stomatology, Shanghai Jiao Tong University, Shanghai 200011, China; National Center for Stomatology, Shanghai 200011, China; National Clinical Research Center for Oral Diseases, Shanghai 200011, China; Shanghai Key Laboratory of Stomatology, Shanghai 200011, China.
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Jia Y, Chen J, Zheng Z, Tao Y, Zhang S, Zou M, Yang Y, Xue M, Hu F, Li Y, Zhang Q, Xue Y, Zheng Z. Tubular epithelial cell-derived extracellular vesicles induce macrophage glycolysis by stabilizing HIF-1α in diabetic kidney disease. Mol Med 2022; 28:95. [PMID: 35962319 PMCID: PMC9373297 DOI: 10.1186/s10020-022-00525-1] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2022] [Accepted: 08/04/2022] [Indexed: 11/20/2022] Open
Abstract
Background Albuminuria is a hallmark of diabetic kidney disease (DKD) that promotes its progression, leading to renal fibrosis. Renal macrophage function is complex and influenced by macrophage metabolic status. However, the metabolic state of diabetic renal macrophages and the impact of albuminuria on the macrophage metabolic state are poorly understood. Methods Extracellular vesicles (EVs) from tubular epithelial cells (HK-2) were evaluated using transmission electron microscopy, nanoparticle tracking analysis and western blotting. Glycolytic enzyme expression in macrophages co-cultured with HSA-treated HK-2 cell-derived EVs was detected using RT-qPCR and western blotting. The potential role of EV-associated HIF-1α in the mediation of glycolysis was explored in HIF-1α siRNA pre-transfected macrophages co-cultured with HSA-treated HK-2 cell-derived EVs, and the extent of HIF-1α hydroxylation was measured using western blotting. Additionally, we injected db/db mice with EVs via the caudal vein twice a week for 4 weeks. Renal macrophages were isolated using CD11b microbeads, and immunohistofluorescence was applied to confirm the levels of glycolytic enzymes and HIF-1α in these macrophages. Results Glycolysis was activated in diabetic renal macrophages after co-culture with HSA-treated HK-2 cells. Moreover, HSA-treated HK-2 cell-derived EVs promoted macrophage glycolysis both in vivo and in vitro. Inhibition of glycolysis activation in macrophages using the glycolysis inhibitor 2-DG decreased the expression of both inflammatory and fibrotic genes. Mechanistically, EVs from HSA-stimulated HK-2 cells were found to accelerate macrophage glycolysis by stabilizing HIF-1α. We also found that several miRNAs and lncRNAs, which have been reported to stabilize HIF-1α expression, were increased in HSA-treated HK-2 cell-derived EVs. Conclusion Our study suggested that albuminuria induced renal macrophage glycolysis through tubular epithelial cell-derived EVs by stabilizing HIF-1α, indicating that regulation of macrophage glycolysis may offer a new treatment strategy for DKD patients, especially those with macroalbuminuria. Supplementary Information The online version contains supplementary material available at 10.1186/s10020-022-00525-1.
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Affiliation(s)
- Yijie Jia
- Department of Endocrinology & Metabolism, Nanfang Hospital, Southern Medical University, Guangzhou, 510515, China
| | - Jiaqi Chen
- Department of Endocrinology & Metabolism, Nanfang Hospital, Southern Medical University, Guangzhou, 510515, China
| | - Zhikang Zheng
- The First School of Clinical Medicine, Southern Medical University, Guangzhou, China
| | - Yuan Tao
- The First School of Clinical Medicine, Southern Medical University, Guangzhou, China
| | - Shuting Zhang
- Department of Endocrinology, Guangdong General Hospital/Guangdong Academy of Medical Sciences, Guangzhou, China
| | - Meina Zou
- Department of Endocrinology & Metabolism, Nanfang Hospital, Southern Medical University, Guangzhou, 510515, China
| | - Yanlin Yang
- Department of Endocrinology & Metabolism, Nanfang Hospital, Southern Medical University, Guangzhou, 510515, China
| | - Meng Xue
- Department of Endocrinology and Metabolism, Shenzhen People's Hospital (The Second Clinical Medical College, The First Affiliated Hospital, Southern University of Science and Technology), Jinan University, Shenzhen, China
| | - Fang Hu
- Department of Endocrinology and Metabolism, The Fifth Affiliated Hospital Sun Yat-Sen University, Zhuhai, Guangdong, China
| | - Yang Li
- Department of Geriatrics, Zhujiang Hospital, Southern Medical University, Guangzhou, China
| | - Qian Zhang
- Department of Endocrinology & Metabolism, Nanfang Hospital, Southern Medical University, Guangzhou, 510515, China
| | - Yaoming Xue
- Department of Endocrinology & Metabolism, Nanfang Hospital, Southern Medical University, Guangzhou, 510515, China.
| | - Zongji Zheng
- Department of Endocrinology & Metabolism, Nanfang Hospital, Southern Medical University, Guangzhou, 510515, China.
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20
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Monfort-Ferré D, Caro A, Menacho M, Martí M, Espina B, Boronat-Toscano A, Nuñez-Roa C, Seco J, Bautista M, Espín E, Megía A, Vendrell J, Fernández-Veledo S, Serena C. The Gut Microbiota Metabolite Succinate Promotes Adipose Tissue Browning in Crohn's Disease. J Crohns Colitis 2022; 16:1571-1583. [PMID: 35554517 PMCID: PMC9624294 DOI: 10.1093/ecco-jcc/jjac069] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/20/2021] [Revised: 04/17/2022] [Accepted: 05/10/2022] [Indexed: 12/13/2022]
Abstract
BACKGROUND AND AIMS Crohn's disease [CD] is associated with complex microbe-host interactions, involving changes in microbial communities, and gut barrier defects, leading to the translocation of microorganisms to surrounding adipose tissue [AT]. We evaluated the presence of beige AT depots in CD and questioned whether succinate and/or bacterial translocation promotes white-to-beige transition in adipocytes. METHODS Visceral [VAT] and subcutaneous [SAT] AT biopsies, serum and plasma were obtained from patients with active [n = 21] or inactive [n = 12] CD, and from healthy controls [n = 15]. Adipose-derived stem cells [ASCs] and AT macrophages [ATMs] were isolated from VAT biopsies. RESULTS Plasma succinate levels were significantly higher in patients with active CD than in controls and were intermediate in those with inactive disease. Plasma succinate correlated with the inflammatory marker high-sensitivity C-reactive protein. Expression of the succinate receptor SUCNR1 was higher in VAT, ASCs and ATMs from the active CD group than from the inactive or control groups. Succinate treatment of ASCs elevated the expression of several beige AT markers from controls and from patients with inactive disease, including uncoupling protein-1 [UCP1]. Notably, beige AT markers were prominent in ASCs from patients with active CD. Secretome profiling revealed that ASCs from patients with active disease secrete beige AT-related proteins, and co-culture assays showed that bacteria also trigger the white-to-beige switch of ASCs from patients with CD. Finally, AT depots from patients with CD exhibited a conversion from white to beige AT together with high UCP1 expression, which was corroborated by in situ thermal imaging analysis. CONCLUSIONS Succinate and bacteria trigger white-to-beige AT transition in CD. Understanding the role of beige AT in CD might aid in the development of therapeutic or diagnostic interventions.
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Affiliation(s)
- Diandra Monfort-Ferré
- Hospital Universitari de Tarragona Joan XXIII, Institut d’Investigació Sanitària Pere Virgili, Tarragona, Spain,CIBER de Diabetes y Enfermedades Metabólicas Asociadas (CIBERDEM), Instituto de Salud Carlos III, Madrid, Spain
| | - Aleidis Caro
- Colorectal Surgery Unit, Hospital Universitari Joan XXIII, Tarragona, Spain
| | | | - Marc Martí
- Colorectal Surgery Unit, General Surgery Service, Hospital Valle de Hebron, Universitat Autonoma de Barcelona, Barcelona, Spain
| | - Beatriz Espina
- Colorectal Surgery Unit, Hospital Universitari Joan XXIII, Tarragona, Spain
| | - Albert Boronat-Toscano
- Hospital Universitari de Tarragona Joan XXIII, Institut d’Investigació Sanitària Pere Virgili, Tarragona, Spain,CIBER de Diabetes y Enfermedades Metabólicas Asociadas (CIBERDEM), Instituto de Salud Carlos III, Madrid, Spain
| | - Cati Nuñez-Roa
- Hospital Universitari de Tarragona Joan XXIII, Institut d’Investigació Sanitària Pere Virgili, Tarragona, Spain,CIBER de Diabetes y Enfermedades Metabólicas Asociadas (CIBERDEM), Instituto de Salud Carlos III, Madrid, Spain
| | - Jesús Seco
- Hospital Universitari de Tarragona Joan XXIII, Institut d’Investigació Sanitària Pere Virgili, Tarragona, Spain,CIBER de Diabetes y Enfermedades Metabólicas Asociadas (CIBERDEM), Instituto de Salud Carlos III, Madrid, Spain
| | - Michelle Bautista
- Digestive Unit, Hospital Universitari Joan XXIII, 43007, Tarragona, Spain
| | - Eloy Espín
- Colorectal Surgery Unit, General Surgery Service, Hospital Valle de Hebron, Universitat Autonoma de Barcelona, Barcelona, Spain
| | - Ana Megía
- Hospital Universitari de Tarragona Joan XXIII, Institut d’Investigació Sanitària Pere Virgili, Tarragona, Spain,CIBER de Diabetes y Enfermedades Metabólicas Asociadas (CIBERDEM), Instituto de Salud Carlos III, Madrid, Spain
| | - Joan Vendrell
- Hospital Universitari de Tarragona Joan XXIII, Institut d’Investigació Sanitària Pere Virgili, Tarragona, Spain,CIBER de Diabetes y Enfermedades Metabólicas Asociadas (CIBERDEM), Instituto de Salud Carlos III, Madrid, Spain,Universitat Rovira i Virgili, Tarragona, Spain
| | - Sonia Fernández-Veledo
- Corresponding authors: Sonia Fernández-Veledo, PhD, Hospital Universitari de Tarragona Joan XXIII, Institut d’Investigació Sanitària Pere Virgili, Tarragona, Spain. ;
| | - Carolina Serena
- Carolina Serena, PhD, Hospital Universitari de Tarragona Joan XXIII, Institut d’Investigació Sanitària Pere Virgili, Tarragona, Spain. ;
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Xu J, Zheng Y, Zhao Y, Zhang Y, Li H, Zhang A, Wang X, Wang W, Hou Y, Wang J. Succinate/IL-1β Signaling Axis Promotes the Inflammatory Progression of Endothelial and Exacerbates Atherosclerosis. Front Immunol 2022; 13:817572. [PMID: 35273600 PMCID: PMC8901997 DOI: 10.3389/fimmu.2022.817572] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2021] [Accepted: 01/27/2022] [Indexed: 12/14/2022] Open
Abstract
Inflammation is an important driver of atherosclerosis. Succinate is a new extracellular inflammatory alarm released by activated macrophages. Succinate is sensed by succinate receptor 1 (Sucnr1) and then transferred to effector cells. It is worth exploring whether succinate is capable of facilitating the inflammatory response in atherosclerosis. In this study, we firstly found that arterial serum of Coronary Heart Disease (CHD) patients contained significantly higher succinate and interleukin (IL)-1β than Health control (HC) subjects, and succinate was positively correlated with IL-1β. As demonstrated by the in vitro study, succinate/hypoxia-inducible factor 1α (Hif)-1α/IL-1β signal axis existed and significantly facilitated the inflammatory program in human umbilical vein endothelial cells (HUVECs). Under the coculture, activated macrophages released succinate, which would be transferred to HUVECs via Sucnr1 and then activate Hif-1α to produce a greater amount of IL-1β. Likewise, the aortic sinus’s inflammatory phenotype was found to be more significant within Apoe-/- mice that were injected with succinate. Furthermore, Sucnr1 inhibitor (NF-56-EJ40) could significantly interrupt succinate/IL-1β signal in HUVECs and macrophages. As revealed by this study, glycolytic metabolism following the release of succinate could be found in atherosclerotic pathology, and succinate would drive succinate/IL-1β signal dependent on Sucnr1 and then exacerbate inflammatory responses. Sucnr1 might be a novel target for cutting off the transduction of succinate signal to prevent the inflammation of atherosclerosis.
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Affiliation(s)
- Jingwen Xu
- Department of Cardiology, The First Affiliated Hospital of Shandong First Medical University and Shandong Provincial Qianfoshan Hospital, Jinan, China
| | - Yabing Zheng
- Department of Cardiology, The First Affiliated Hospital of Shandong First Medical University and Shandong Provincial Qianfoshan Hospital, Jinan, China
| | - Yaqing Zhao
- College of Second Clinical Medicine, Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Yujiao Zhang
- Department of Cardiology, The First Affiliated Hospital of Shandong First Medical University and Shandong Provincial Qianfoshan Hospital, Jinan, China
| | - Huilin Li
- Cheeloo College of Medicine, Shandong University, Jinan, China
| | - An Zhang
- Cheeloo College of Medicine, Shandong University, Jinan, China
| | - Xuehan Wang
- Department of Cardiology, The First Affiliated Hospital of Shandong First Medical University and Shandong Provincial Qianfoshan Hospital, Jinan, China
| | - Weizong Wang
- Department of Cardiology, The First Affiliated Hospital of Shandong First Medical University and Shandong Provincial Qianfoshan Hospital, Jinan, China
| | - Yinglong Hou
- Department of Cardiology, The First Affiliated Hospital of Shandong First Medical University and Shandong Provincial Qianfoshan Hospital, Jinan, China
| | - Jiangrong Wang
- Department of Cardiology, The First Affiliated Hospital of Shandong First Medical University and Shandong Provincial Qianfoshan Hospital, Jinan, China
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22
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Feng Z, Sun R, Cong Y, Liu Z. Critical roles of G protein-coupled receptors in regulating intestinal homeostasis and inflammatory bowel disease. Mucosal Immunol 2022; 15:819-828. [PMID: 35732818 DOI: 10.1038/s41385-022-00538-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2022] [Revised: 05/29/2022] [Accepted: 06/05/2022] [Indexed: 02/04/2023]
Abstract
G protein-coupled receptors (GPCRs) are a group of membrane proteins that mediate most of the physiological responses to various signaling molecules such as hormones, neurotransmitters, and environmental stimulants. Inflammatory bowel disease (IBD) is a chronic relapsing disorder of the gastrointestinal tract and presents a spectrum of heterogeneous disorders falling under two main clinical subtypes including Crohn's disease (CD) and ulcerative colitis (UC). The pathogenesis of IBD is multifactorial and is related to a genetically dysregulated mucosal immune response to environmental drivers, mainly microbiotas. Although many drugs, such as 5-aminosalicylic acid, glucocorticoids, immunosuppressants, and biological agents, have been approved for IBD treatment, none can cure IBD permanently. Emerging evidence indicates significant associations between GPCRs and the pathogenesis of IBD. Here, we provide an overview of the essential physiological functions and signaling pathways of GPCRs and their roles in mucosal immunity and IBD regulation.
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Affiliation(s)
- Zhongsheng Feng
- Center for Inflammatory Bowel Disease Research, Department of Gastroenterology, The Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai, 200072, China
| | - Ruicong Sun
- Center for Inflammatory Bowel Disease Research, Department of Gastroenterology, The Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai, 200072, China
| | - Yingzi Cong
- Department of Microbiology and Immunology, University of Texas Medical Branch, Galveston, TX, 77555, USA
| | - Zhanju Liu
- Center for Inflammatory Bowel Disease Research, Department of Gastroenterology, The Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai, 200072, China.
- Department of Gastroenterology, the Second Affiliated Hospital of Zhengzhou University, Zhengzhou, 450014, China.
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23
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Liu L, Sun Q, Davis F, Mao J, Zhao H, Ma D. Epithelial-mesenchymal transition in organ fibrosis development: current understanding and treatment strategies. BURNS & TRAUMA 2022; 10:tkac011. [PMID: 35402628 PMCID: PMC8990740 DOI: 10.1093/burnst/tkac011] [Citation(s) in RCA: 30] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/21/2021] [Revised: 12/16/2021] [Indexed: 01/10/2023]
Abstract
Organ fibrosis is a process in which cellular homeostasis is disrupted and extracellular matrix is excessively deposited. Fibrosis can lead to vital organ failure and there are no effective treatments yet. Although epithelial–mesenchymal transition (EMT) may be one of the key cellular mechanisms, the underlying mechanisms of fibrosis remain largely unknown. EMT is a cell phenotypic process in which epithelial cells lose their cell-to-cell adhesion and polarization, after which they acquire mesenchymal features such as infiltration and migration ability. Upon injurious stimulation in different organs, EMT can be triggered by multiple signaling pathways and is also regulated by epigenetic mechanisms. This narrative review summarizes the current understanding of the underlying mechanisms of EMT in fibrogenesis and discusses potential strategies for attenuating EMT to prevent and/or inhibit fibrosis. Despite better understanding the role of EMT in fibrosis development, targeting EMT and beyond in developing therapeutics to tackle fibrosis is challenging but likely feasible.
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Affiliation(s)
- Lexin Liu
- Division of Anaesthetics, Pain Medicine and Intensive Care, Department of Surgery and Cancer, Faculty of Medicine, Imperial College London, Chelsea and Westminster Hospital, London, SW10 9NH, UK.,Department of Nephrology and Urology, Pediatric Urolith Center, The Children's Hospital of Zhejiang University School of Medicine, National Clinical Research Center for Child Health, Hangzhou, Zhejiang Province, 310003, China
| | - Qizhe Sun
- Division of Anaesthetics, Pain Medicine and Intensive Care, Department of Surgery and Cancer, Faculty of Medicine, Imperial College London, Chelsea and Westminster Hospital, London, SW10 9NH, UK
| | - Frank Davis
- Division of Anaesthetics, Pain Medicine and Intensive Care, Department of Surgery and Cancer, Faculty of Medicine, Imperial College London, Chelsea and Westminster Hospital, London, SW10 9NH, UK
| | - Jianhua Mao
- Department of Nephrology, The Children Hospital of Zhejiang University, School of Medicine, Hangzhou, Zhejiang Province, 310003, China
| | - Hailin Zhao
- Division of Anaesthetics, Pain Medicine and Intensive Care, Department of Surgery and Cancer, Faculty of Medicine, Imperial College London, Chelsea and Westminster Hospital, London, SW10 9NH, UK
| | - Daqing Ma
- Division of Anaesthetics, Pain Medicine and Intensive Care, Department of Surgery and Cancer, Faculty of Medicine, Imperial College London, Chelsea and Westminster Hospital, London, SW10 9NH, UK
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24
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Wang Y, Huang B, Jin T, Ocansey DKW, Jiang J, Mao F. Intestinal Fibrosis in Inflammatory Bowel Disease and the Prospects of Mesenchymal Stem Cell Therapy. Front Immunol 2022; 13:835005. [PMID: 35370998 PMCID: PMC8971815 DOI: 10.3389/fimmu.2022.835005] [Citation(s) in RCA: 30] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2021] [Accepted: 01/26/2022] [Indexed: 12/12/2022] Open
Abstract
Intestinal fibrosis is an important complication of inflammatory bowel disease (IBD). In the course of the development of fibrosis, certain parts of the intestine become narrowed, significantly destroying the structure and function of the intestine and affecting the quality of life of patients. Chronic inflammation is an important initiating factor of fibrosis. Unfortunately, the existing anti-inflammatory drugs cannot effectively prevent and alleviate fibrosis, and there is no effective anti-fibrotic drug, which makes surgical treatment the mainstream treatment for intestinal fibrosis and stenosis. Mesenchymal stem cells (MSCs) are capable of tissue regeneration and repair through their self-differentiation, secretion of cytokines, and secretion of extracellular vesicles. MSCs have been shown to play an important therapeutic role in the fibrosis of many organs. However, the role of MSC in intestinal fibrosis largely remained unexplored. This review summarizes the mechanism of intestinal fibrosis, including the role of immune cells, TGF-β, and the gut microbiome and metabolites. Available treatment options for fibrosis, particularly, MSCs are also discussed.
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Affiliation(s)
- Yifei Wang
- Aoyang Institute of Cancer, Affiliated Aoyang Hospital of Jiangsu University, Suzhou, China
- Key Laboratory of Medical Science and Laboratory Medicine of Jiangsu Province, School of Medicine, Jiangsu University, Zhenjiang, China
| | - Bin Huang
- Aoyang Institute of Cancer, Affiliated Aoyang Hospital of Jiangsu University, Suzhou, China
- General Surgery Department, Affiliated Aoyang Hospital of Jiangsu University, Suzhou, China
| | - Tao Jin
- Department of Gastrointestinal and Endoscopy, The Affiliated Yixing Hospital of Jiangsu University, Yixing, China
| | - Dickson Kofi Wiredu Ocansey
- Key Laboratory of Medical Science and Laboratory Medicine of Jiangsu Province, School of Medicine, Jiangsu University, Zhenjiang, China
- Directorate of University Health Services, University of Cape Coast, Cape Coast, Ghana
| | - Jiajia Jiang
- Aoyang Institute of Cancer, Affiliated Aoyang Hospital of Jiangsu University, Suzhou, China
- Key Laboratory of Medical Science and Laboratory Medicine of Jiangsu Province, School of Medicine, Jiangsu University, Zhenjiang, China
- *Correspondence: Jiajia Jiang, ; Fei Mao,
| | - Fei Mao
- Aoyang Institute of Cancer, Affiliated Aoyang Hospital of Jiangsu University, Suzhou, China
- Key Laboratory of Medical Science and Laboratory Medicine of Jiangsu Province, School of Medicine, Jiangsu University, Zhenjiang, China
- *Correspondence: Jiajia Jiang, ; Fei Mao,
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25
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SUCNR1 Mediates the Priming Step of the Inflammasome in Intestinal Epithelial Cells: Relevance in Ulcerative Colitis. Biomedicines 2022; 10:biomedicines10030532. [PMID: 35327334 PMCID: PMC8945150 DOI: 10.3390/biomedicines10030532] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2022] [Revised: 02/16/2022] [Accepted: 02/22/2022] [Indexed: 12/10/2022] Open
Abstract
Intestinal epithelial cells (IECs) constitute a defensive physical barrier in mucosal tissues and their disruption is involved in the etiopathogenesis of several inflammatory pathologies, such as Ulcerative Colitis (UC). Recently, the succinate receptor SUCNR1 was associated with the activation of inflammatory pathways in several cell types, but little is known about its role in IECs. We aimed to analyze the role of SUCNR1 in the inflammasome priming and its relevance in UC. Inflammatory and inflammasome markers and SUCNR1 were analyzed in HT29 cells treated with succinate and/or an inflammatory cocktail and transfected with SUCNR1 siRNA in a murine DSS model, and in intestinal resections from 15 UC and non-IBD patients. Results showed that this receptor mediated the inflammasome, priming both in vitro in HT29 cells and in vivo in a murine chronic DSS-colitis model. Moreover, SUNCR1 was also found to be involved in the activation of the inflammatory pathways NFкB and ERK pathways, even in basal conditions, since the transient knock-down of this receptor significantly reduced the constitutive levels of pERK-1/2 and pNFкB and impaired LPS-induced inflammation. Finally, UC patients showed a significant increase in the expression of SUCNR1 and several inflammasome components which correlated positively and significantly. Therefore, our results demonstrated a role for SUCNR1 in basal and stimulated inflammatory pathways in intestinal epithelial cells and suggested a pivotal role for this receptor in inflammasome activation in UC.
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26
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Choubey P, Kaur H, Bansal K. Modulation of DNA/RNA Methylation Signaling Mediating Metabolic Homeostasis in Cancer. Subcell Biochem 2022; 100:201-237. [PMID: 36301496 DOI: 10.1007/978-3-031-07634-3_7] [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: 06/16/2023]
Abstract
Nucleic acid methylation is a fundamental epigenetic mechanism that impinges upon several cellular attributes, including metabolism and energy production. The dysregulation of deoxyribonucleic acid (DNA)/ribonucleic acid (RNA) methylation can lead to metabolic rewiring in the cell, which in turn facilitates tumor development. Here, we review the current knowledge on the interplay between DNA/RNA methylation and metabolic programs in cancer cells. We also discuss the mechanistic role of these pathways in tumor development and progression.
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Affiliation(s)
- Pallawi Choubey
- Molecular Biology and Genetics Unit (MBGU), Jawaharlal Nehru Centre for Advanced Scientific Research (JNCASR), Jakkur, Bangalore, India
| | - Harshdeep Kaur
- Molecular Biology and Genetics Unit (MBGU), Jawaharlal Nehru Centre for Advanced Scientific Research (JNCASR), Jakkur, Bangalore, India
| | - Kushagra Bansal
- Molecular Biology and Genetics Unit (MBGU), Jawaharlal Nehru Centre for Advanced Scientific Research (JNCASR), Jakkur, Bangalore, India.
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27
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Rubbino F, Greco L, di Cristofaro A, Gaiani F, Vetrano S, Laghi L, Bonovas S, Piovani D. Journey through Crohn's Disease Complication: From Fistula Formation to Future Therapies. J Clin Med 2021; 10:jcm10235548. [PMID: 34884247 PMCID: PMC8658128 DOI: 10.3390/jcm10235548] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2021] [Revised: 11/23/2021] [Accepted: 11/25/2021] [Indexed: 12/19/2022] Open
Abstract
Crohn’s Disease (CD) is a chronic inflammatory disorder in which up to 50% of patients develop fistula within 20 years after the initial diagnosis, and half of these patients suffer perianal fistulizing disease. The etiopathogenesis of CD-related perianal fistula is still unclear, and its phenotypical and molecular characteristics are even more indefinite. A better understanding would be crucial to develop targeted and more effective therapeutic strategies. At present, the most accredited theory for the formation of CD-related fistula identifies the epithelial-to-mesenchymal transition (EMT) as the driving force. It has been well recognized that CD carries an increased risk of malignancy, particularly mucinous adenocarcinoma is often associated with long-standing fistula in CD patients. Despite the availability of multiple treatment options, perianal fistulizing CD represents a therapeutic challenge and is associated with an important impact on patients’ quality of life. To date, the most effective management is multidisciplinary with the cooperation of gastroenterologists, surgeons, radiologists, and nutritionists and the best recommended treatment is a combination of medical and surgical approaches.
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Affiliation(s)
- Federica Rubbino
- Laboratory of Molecular Gastroenterology, IRCCS Humanitas Research Hospital, Via Manzoni 56, 20089 Rozzano, Italy; (L.G.); (A.d.C.); (L.L.)
- Correspondence: (F.R.); (S.B.)
| | - Luana Greco
- Laboratory of Molecular Gastroenterology, IRCCS Humanitas Research Hospital, Via Manzoni 56, 20089 Rozzano, Italy; (L.G.); (A.d.C.); (L.L.)
| | - Alessio di Cristofaro
- Laboratory of Molecular Gastroenterology, IRCCS Humanitas Research Hospital, Via Manzoni 56, 20089 Rozzano, Italy; (L.G.); (A.d.C.); (L.L.)
| | - Federica Gaiani
- Department of Medicine and Surgery, University of Parma, Via Gramsci 14, 43126 Parma, Italy;
- Gastroenterology and Endoscopy Unit, University-Hospital of Parma, Via Gramsci 14, 43126 Parma, Italy
| | - Stefania Vetrano
- Department of Biomedical Sciences, Humanitas University, Via Rita Levi Montalcini 4, 20072 Pieve Emanuele, Italy; (S.V.); (D.P.)
| | - Luigi Laghi
- Laboratory of Molecular Gastroenterology, IRCCS Humanitas Research Hospital, Via Manzoni 56, 20089 Rozzano, Italy; (L.G.); (A.d.C.); (L.L.)
- Department of Medicine and Surgery, University of Parma, Via Gramsci 14, 43126 Parma, Italy;
| | - Stefanos Bonovas
- Department of Biomedical Sciences, Humanitas University, Via Rita Levi Montalcini 4, 20072 Pieve Emanuele, Italy; (S.V.); (D.P.)
- IRCCS Humanitas Research Hospital, Via Manzoni 56, 20089 Rozzano, Italy
- Correspondence: (F.R.); (S.B.)
| | - Daniele Piovani
- Department of Biomedical Sciences, Humanitas University, Via Rita Levi Montalcini 4, 20072 Pieve Emanuele, Italy; (S.V.); (D.P.)
- IRCCS Humanitas Research Hospital, Via Manzoni 56, 20089 Rozzano, Italy
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28
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Terra X, Ceperuelo-Mallafré V, Merma C, Benaiges E, Bosch R, Castillo P, Flores JC, León X, Valduvieco I, Basté N, Cámara M, Lejeune M, Gumà J, Vendrell J, Vilaseca I, Fernández-Veledo S, Avilés-Jurado FX. Succinate Pathway in Head and Neck Squamous Cell Carcinoma: Potential as a Diagnostic and Prognostic Marker. Cancers (Basel) 2021; 13:cancers13071653. [PMID: 33916314 PMCID: PMC8037494 DOI: 10.3390/cancers13071653] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2021] [Revised: 03/23/2021] [Accepted: 03/24/2021] [Indexed: 12/14/2022] Open
Abstract
Simple Summary Emerging evidence points to succinate as an important oncometabolite in cancer development; however, the contribution of the succinate-SUCNR1 axis to cancer progression remains unclear. Head and neck squamous cell carcinoma (HNSCC) is associated with disease and treatment-related morbidity so there is an urgent need for innovation in treatment and diagnosis practices. Our aim was to evaluate the potential of the succinate-related pathway as a diagnostic and prognostic biomarker in HNSCC. The circulating succinate levels are increased in HNSCC, being a potential noninvasive biomarker for HNSCC diagnosis. Moreover, the succinate receptor (SUCNR1) and genes related to succinate metabolism, which are predominantly expressed in the tumoral mucosa as compared with healthy tissue, are positively associated with plasma succinate. Remarkably, we found that SUCNR1 and SDHA expression levels predict prognosis. Abstract Head and neck squamous cell carcinoma (HNSCC) is characterized by high rates of mortality and treatment-related morbidity, underscoring the urgent need for innovative and safe treatment strategies and diagnosis practices. Mitochondrial dysfunction is a hallmark of cancer and can lead to the accumulation of tricarboxylic acid cycle intermediates, such as succinate, which function as oncometabolites. In addition to its role in cancer development through epigenetic events, succinate is an extracellular signal transducer that modulates immune response, angiogenesis and cell invasion by activating its cognate receptor SUCNR1. Here, we explored the potential value of the circulating succinate and related genes in HNSCC diagnosis and prognosis. We determined the succinate levels in the serum of 66 pathologically confirmed, untreated patients with HNSCC and 20 healthy controls. We also surveyed the expression of the genes related to succinate metabolism and signaling in tumoral and nontumoral adjacent tissue and in normal mucosa from 50 patients. Finally, we performed immunohistochemical analysis of SUCNR1 in mucosal samples. The results showed that the circulating levels of succinate were higher in patients with HNSCC than in the healthy controls. Additionally, the expression of SUCNR1, HIF-1α, succinate dehydrogenase (SDH) A, and SDHB was higher in the tumor tissue than in the matched normal mucosa. Consistent with this, immunohistochemical analysis revealed an increase in SUCNR1 protein expression in tumoral and nontumoral adjacent tissue. High SUCNR1 and SDHA expression levels were associated with poor locoregional control, and the locoregional recurrence-free survival rate was significantly lower in patients with high SUCNR1 and SDHA expression than in their peers with lower levels (77.1% [95% CI: 48.9–100.0] vs. 16.7% [95% CI: 0.0–44.4], p = 0.018). Thus, the circulating succinate levels are elevated in HNSCC and high SUCNR1/SDHA expression predicts poor locoregional disease-free survival, identifying this oncometabolite as a potentially valuable noninvasive biomarker for HNSCC diagnosis and prognosis.
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Affiliation(s)
- Ximena Terra
- MoBioFood Research Group, Biochemistry and Biotechnology Department, Universitat Rovira i Virgili, Campus Sescel·lades, 43007 Tarragona, Spain;
| | - Victoria Ceperuelo-Mallafré
- Department of Endocrinology and Nutrition, Institut d’Investigació Sanitària Pere Virgili (IISPV), Hospital Universitari de Tarragona Joan XXIII, 43005 Tarragona, Spain; (V.C.-M.); (E.B.); (J.V.)
- Centro de Investigación Biomédica en Red de Diabetes y Enfermedades Metabólicas (CIBERDEM), 28029 Madrid, Spain
| | - Carla Merma
- Otorhinolaryngology Head-Neck Surgery Department, Hospital Universitari de Tarragona Joan XXIII, Insitut d’Investigació Sanitària Pere Virgili, Universitat Rovira i Virgili, 43005 Tarragona, Spain; (C.M.); (J.C.F.)
| | - Ester Benaiges
- Department of Endocrinology and Nutrition, Institut d’Investigació Sanitària Pere Virgili (IISPV), Hospital Universitari de Tarragona Joan XXIII, 43005 Tarragona, Spain; (V.C.-M.); (E.B.); (J.V.)
- Centro de Investigación Biomédica en Red de Diabetes y Enfermedades Metabólicas (CIBERDEM), 28029 Madrid, Spain
- School of Medicine, Universitat Rovira i Virgili, 43201 Reus, Spain
| | - Ramon Bosch
- Pathology Department, Plataforma de Estudios Histológicos, Citológicos y de Digitalización, Hospital de Tortosa Verge de la Cinta, Institut d’Investigació Sanitària Pere Virgili (IISPV), URV, 43500 Tortosa, Spain; (R.B.); (M.L.)
| | - Paola Castillo
- Pathology Department, Hospital Clínic de Barcelona, IDIBAPS, 08036 Barcelona, Spain;
| | - Joan Carles Flores
- Otorhinolaryngology Head-Neck Surgery Department, Hospital Universitari de Tarragona Joan XXIII, Insitut d’Investigació Sanitària Pere Virgili, Universitat Rovira i Virgili, 43005 Tarragona, Spain; (C.M.); (J.C.F.)
| | - Xavier León
- Otorhinolaryngology Head-Neck Surgery Department, Hospital de la Santa Creu i Sant Pau and Networking Research Center on Bioengineering, Biomaterials and Nanomedicine (CIBER-BBN, MICINN, ISCIII), Universitat Autònoma de Barcelona, 08041 Barcelona, Spain;
| | - Izaskun Valduvieco
- Radiation Oncology Department, Hospital Clínic de Barcelona, 08036 Barcelona, Spain;
| | - Neus Basté
- Oncology Department, IDIBAPS, Hospital Clínic de Barcelona, 08036 Barcelona, Spain;
| | - Marina Cámara
- Maxillofacial Department, Hospital Clínic de Barcelona, 08036 Barcelona, Spain;
| | - Marylène Lejeune
- Pathology Department, Plataforma de Estudios Histológicos, Citológicos y de Digitalización, Hospital de Tortosa Verge de la Cinta, Institut d’Investigació Sanitària Pere Virgili (IISPV), URV, 43500 Tortosa, Spain; (R.B.); (M.L.)
| | - Josep Gumà
- Oncology Department, Institut d’Investigació Sanitària Pere Virgili (IISPV), Hospital Sant Joan de Reus, 43204 Reus, Spain;
| | - Joan Vendrell
- Department of Endocrinology and Nutrition, Institut d’Investigació Sanitària Pere Virgili (IISPV), Hospital Universitari de Tarragona Joan XXIII, 43005 Tarragona, Spain; (V.C.-M.); (E.B.); (J.V.)
- Centro de Investigación Biomédica en Red de Diabetes y Enfermedades Metabólicas (CIBERDEM), 28029 Madrid, Spain
- School of Medicine, Universitat Rovira i Virgili, 43201 Reus, Spain
| | - Isabel Vilaseca
- Otorhinolaryngology Department, UB, IDIBAPS, Hospital Clínic de Barcelona, 08036 Barcelona, Spain;
- Head Neck Clínic, Agència de Gestió d’Ajuts Universitaris i de Recerca (AGAUR), 2017-SGR-01581 Barcelona, Spain
| | - Sonia Fernández-Veledo
- Department of Endocrinology and Nutrition, Institut d’Investigació Sanitària Pere Virgili (IISPV), Hospital Universitari de Tarragona Joan XXIII, 43005 Tarragona, Spain; (V.C.-M.); (E.B.); (J.V.)
- Centro de Investigación Biomédica en Red de Diabetes y Enfermedades Metabólicas (CIBERDEM), 28029 Madrid, Spain
- Correspondence: (S.F.-V.); (F.X.A.-J.)
| | - Francesc Xavier Avilés-Jurado
- Centro de Investigación Biomédica en Red de Diabetes y Enfermedades Metabólicas (CIBERDEM), 28029 Madrid, Spain
- Otorhinolaryngology Department, UB, IDIBAPS, Hospital Clínic de Barcelona, 08036 Barcelona, Spain;
- Head Neck Clínic, Agència de Gestió d’Ajuts Universitaris i de Recerca (AGAUR), 2017-SGR-01581 Barcelona, Spain
- Correspondence: (S.F.-V.); (F.X.A.-J.)
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Yu M, Wu H, Wang J, Chen X, Pan J, Liu P, Zhang J, Chen Y, Zhu W, Tang C, Jin Q, Li C, Lu C, Zeng H, Yu C, Sun J. Vitamin D receptor inhibits EMT via regulation of the epithelial mitochondrial function in intestinal fibrosis. J Biol Chem 2021; 296:100531. [PMID: 33713706 PMCID: PMC8054199 DOI: 10.1016/j.jbc.2021.100531] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2020] [Revised: 02/22/2021] [Accepted: 03/09/2021] [Indexed: 01/30/2023] Open
Abstract
We previously showed that the vitamin D receptor (VDR) plays a crucial role in acute inflammatory bowel disease and that intestinal fibrosis is a common complication of Crohn's disease (CD). Epithelial-mesenchymal transition (EMT) is an important hallmark of fibrogenesis through which epithelial cells lose their epithelial phenotype and transform into mesenchymal cells. It is known that the VDR plays an essential role in epithelial integrity and mitochondrial function, but its role in intestinal fibrosis remains unknown. Here, we investigated whether the VDR is involved in epithelial mitochondrial dysfunction that results in EMT in intestinal fibrosis. Using human CD samples, intestine-specific VDR-KO mice, and fibroblast cellular models, we showed that the expression of the VDR was significantly lower in intestinal stenotic areas than in nonstenotic areas in patients with chronic CD. Genetic deletion of the VDR in the intestinal epithelium exacerbated intestinal fibrosis in mice administered with dextran sulfate sodium or 2,4,6-trinitrobenzene sulfonic acid, two experimental colitis inducers. In addition, we found that vitamin D dietary intervention regulated intestinal fibrosis by modulating the intestinal expression of the VDR. Mechanistically, knocking down the VDR in both CCD-18Co cells and human primary colonic fibroblasts promoted fibroblast activation, whereas VDR overexpression or VDR agonist administration inhibited fibroblast activation. Further analysis illustrated that the VDR inhibited EMT in the HT29 cell model and that mitochondrial dysfunction mediated epithelial integrity and barrier function in VDR-deficient epithelial cells. Together, our data for the first time demonstrate that VDR activation alleviates intestinal fibrosis by inhibiting fibroblast activation and epithelial mitochondria-mediated EMT.
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Affiliation(s)
- Mengli Yu
- Department of Gastroenterology, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China
| | - Hao Wu
- Department of Gastroenterology and Hepatology, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Jinhai Wang
- Department of Colorectal Surgery, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China
| | - Xueyang Chen
- Department of Gastroenterology, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China
| | - Jiaqi Pan
- Department of Gastroenterology, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China
| | - Peihao Liu
- Department of Gastroenterology, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China
| | - Jie Zhang
- Department of Gastroenterology, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China
| | - Yishu Chen
- Department of Gastroenterology, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China
| | - Wei Zhu
- Department of Gastroenterology, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China
| | - Chenxi Tang
- Department of Gastroenterology, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China
| | - Qi Jin
- Department of Gastroenterology, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China
| | - Chunxiao Li
- Department of Gastroenterology, Ningbo First Hospital, Ningbo, China
| | - Chao Lu
- Department of Gastroenterology, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China
| | - Hang Zeng
- Department of Gastroenterology, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China
| | - Chaohui Yu
- Department of Gastroenterology, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China.
| | - Jing Sun
- Department of Gastroenterology, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China.
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Bauset C, Gisbert-Ferrándiz L, Cosín-Roger J. Metabolomics as a Promising Resource Identifying Potential Biomarkers for Inflammatory Bowel Disease. J Clin Med 2021; 10:jcm10040622. [PMID: 33562024 PMCID: PMC7915257 DOI: 10.3390/jcm10040622] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2020] [Revised: 02/02/2021] [Accepted: 02/02/2021] [Indexed: 12/12/2022] Open
Abstract
Inflammatory bowel disease (IBD) is a relapsing chronic disorder of the gastrointestinal tract characterized by disruption of epithelial barrier function and excessive immune response to gut microbiota. The lack of biomarkers providing early diagnosis or defining the status of the pathology difficulties an accurate assessment of the disease. Given the different metabolomic profiles observed in IBD patients, metabolomics may reveal prime candidates to be studied, which may help in understanding the pathology and identifying novel therapeutic targets. In this review, we summarize the most current advances describing the promising metabolites such as lipids or amino acids found through untargeted metabolomics from serum, faecal, urine and biopsy samples.
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Affiliation(s)
- Cristina Bauset
- Department of Pharmacology and CIBER, Faculty of Medicine, University of Valencia, 46010 Valencia, Spain; (C.B.); (L.G.-F.)
| | - Laura Gisbert-Ferrándiz
- Department of Pharmacology and CIBER, Faculty of Medicine, University of Valencia, 46010 Valencia, Spain; (C.B.); (L.G.-F.)
| | - Jesús Cosín-Roger
- Hospital Dr. Peset, Fundación para la Investigación Sanitaria y Biomédica de la Comunitat Valenciana, FISABIO, 46017 Valencia, Spain
- Correspondence: ; Tel.: +34-963851234
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31
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Matlac DM, Hadrava Vanova K, Bechmann N, Richter S, Folberth J, Ghayee HK, Ge GB, Abunimer L, Wesley R, Aherrahrou R, Dona M, Martínez-Montes ÁM, Calsina B, Merino MJ, Schwaninger M, Deen PMT, Zhuang Z, Neuzil J, Pacak K, Lehnert H, Fliedner SMJ. Succinate Mediates Tumorigenic Effects via Succinate Receptor 1: Potential for New Targeted Treatment Strategies in Succinate Dehydrogenase Deficient Paragangliomas. Front Endocrinol (Lausanne) 2021; 12:589451. [PMID: 33776908 PMCID: PMC7994772 DOI: 10.3389/fendo.2021.589451] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/30/2020] [Accepted: 01/29/2021] [Indexed: 12/12/2022] Open
Abstract
Paragangliomas and pheochromocytomas (PPGLs) are chromaffin tumors associated with severe catecholamine-induced morbidities. Surgical removal is often curative. However, complete resection may not be an option for patients with succinate dehydrogenase subunit A-D (SDHx) mutations. SDHx mutations are associated with a high risk for multiple recurrent, and metastatic PPGLs. Treatment options in these cases are limited and prognosis is dismal once metastases are present. Identification of new therapeutic targets and candidate drugs is thus urgently needed. Previously, we showed elevated expression of succinate receptor 1 (SUCNR1) in SDHB PPGLs and SDHD head and neck paragangliomas. Its ligand succinate has been reported to accumulate due to SDHx mutations. We thus hypothesize that autocrine stimulation of SUCNR1 plays a role in the pathogenesis of SDHx mutation-derived PPGLs. We confirmed elevated SUCNR1 expression in SDHx PPGLs and after SDHB knockout in progenitor cells derived from a human pheochromocytoma (hPheo1). Succinate significantly increased viability of SUCNR1-transfected PC12 and ERK pathway signaling compared to control cells. Candidate SUCNR1 inhibitors successfully reversed proliferative effects of succinate. Our data reveal an unrecognized oncometabolic function of succinate in SDHx PPGLs, providing a growth advantage via SUCNR1.
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Affiliation(s)
- Dieter M. Matlac
- Neuroendocrine Oncology and Metabolism, Medical Department I, Center of Brain, Behavior, and Metabolism, University Medical Center Schleswig-Holstein Lübeck, Lübeck, Germany
| | - Katerina Hadrava Vanova
- Institute of Biotechnology, Czech Academy of Sciences, Prague-West, Czechia
- Section on Medical Neuroendocrinology, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, MD, United States
| | - Nicole Bechmann
- Institute of Clinical Chemistry and Laboratory Medicine, University Hospital Carl Gustav Carus, Medical Faculty Carl Gustav Carus, Technische Universität Dresden, Dresden, Germany
| | - Susan Richter
- Institute of Clinical Chemistry and Laboratory Medicine, University Hospital Carl Gustav Carus, Medical Faculty Carl Gustav Carus, Technische Universität Dresden, Dresden, Germany
| | - Julica Folberth
- Institute for Experimental and Clinical Pharmacology and Toxicology, University of Lübeck, Lübeck, Germany
| | - Hans K. Ghayee
- Department of Medicine, Division of Endocrinology, University of Florida and Malcom Randall VA Medical Center, Gainesville, FL, United States
| | - Guang-Bo Ge
- Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Luma Abunimer
- Section on Medical Neuroendocrinology, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, MD, United States
| | | | - Redouane Aherrahrou
- Institute for Cardiogenetics, University of Lübeck, Lübeck, Germany
- Department of Biomedical Engineering, Centre for Public Health Genomics, University of Virginia, Charlottesville, VA, United States
| | - Margo Dona
- Division of Endocrinology 471, Department of Internal Medicine, Radboud University Medical Center, Nijmegen, Netherlands
| | - Ángel M. Martínez-Montes
- Hereditary Endocrine Cancer Group, Human Cancer Genetics Program, Spanish National Cancer Research Centre (CNIO), Madrid, Spain
| | - Bruna Calsina
- Hereditary Endocrine Cancer Group, Human Cancer Genetics Program, Spanish National Cancer Research Centre (CNIO), Madrid, Spain
| | - Maria J. Merino
- Laboratory of Surgical Pathology, National Cancer Institute, National Institutes of Health, Bethesda, MD, United States
| | - Markus Schwaninger
- Institute for Experimental and Clinical Pharmacology and Toxicology, University of Lübeck, Lübeck, Germany
| | | | - Zhengping Zhuang
- Surgical Neurology Branch, National Institute of Neurological Disorders and Stroke, National Institutes of Health, Bethesda, MD, United States
| | - Jiri Neuzil
- Institute of Biotechnology, Czech Academy of Sciences, Prague-West, Czechia
- School of Medical Science, Griffith University, Southport, QLD, Australia
| | - Karel Pacak
- Section on Medical Neuroendocrinology, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, MD, United States
| | - Hendrik Lehnert
- Neuroendocrine Oncology and Metabolism, Medical Department I, Center of Brain, Behavior, and Metabolism, University Medical Center Schleswig-Holstein Lübeck, Lübeck, Germany
| | - Stephanie M. J. Fliedner
- Neuroendocrine Oncology and Metabolism, Medical Department I, Center of Brain, Behavior, and Metabolism, University Medical Center Schleswig-Holstein Lübeck, Lübeck, Germany
- *Correspondence: Stephanie M. J. Fliedner,
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Cosín-Roger J, Ortiz-Masia D, Barrachina MD, Calatayud S. Metabolite Sensing GPCRs: Promising Therapeutic Targets for Cancer Treatment? Cells 2020; 9:cells9112345. [PMID: 33113952 PMCID: PMC7690732 DOI: 10.3390/cells9112345] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2020] [Revised: 10/21/2020] [Accepted: 10/21/2020] [Indexed: 02/07/2023] Open
Abstract
G-protein-coupled receptors constitute the most diverse and largest receptor family in the human genome, with approximately 800 different members identified. Given the well-known metabolic alterations in cancer development, we will focus specifically in the 19 G-protein-coupled receptors (GPCRs), which can be selectively activated by metabolites. These metabolite sensing GPCRs control crucial processes, such as cell proliferation, differentiation, migration, and survival after their activation. In the present review, we will describe the main functions of these metabolite sensing GPCRs and shed light on the benefits of their potential use as possible pharmacological targets for cancer treatment.
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Affiliation(s)
- Jesús Cosín-Roger
- Hospital Dr. Peset, Fundación para la Investigación Sanitaria y Biomédica de la Comunitat Valenciana, FISABIO, 46017 Valencia, Spain
- Correspondence: ; Tel.: +34-963851234
| | - Dolores Ortiz-Masia
- Departament of Medicine, Faculty of Medicine, University of Valencia, 46010 Valencia, Spain;
| | - Maria Dolores Barrachina
- Departament of Pharmacology and CIBER, Faculty of Medicine, University of Valencia, 46010 Valencia, Spain; (M.D.B.); (S.C.)
| | - Sara Calatayud
- Departament of Pharmacology and CIBER, Faculty of Medicine, University of Valencia, 46010 Valencia, Spain; (M.D.B.); (S.C.)
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