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Lv L, Liu Y, Xiong J, Wang S, Li Y, Zhang B, Huang Y, Zhao J. Role of G protein coupled receptors in acute kidney injury. Cell Commun Signal 2024; 22:423. [PMID: 39223553 PMCID: PMC11367933 DOI: 10.1186/s12964-024-01802-8] [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: 06/11/2024] [Accepted: 08/20/2024] [Indexed: 09/04/2024] Open
Abstract
Acute kidney injury (AKI) is a clinical condition characterized by a rapid decline in kidney function, which is associated with local inflammation and programmed cell death in the kidney. The G protein-coupled receptors (GPCRs) represent the largest family of signaling transduction proteins in the body, and approximately 40% of drugs on the market target GPCRs. The expressions of various GPCRs, prostaglandin receptors and purinergic receptors, to name a few, are significantly altered in AKI models. And the role of GPCRs in AKI is catching the eyes of researchers due to their distinctive biological functions, such as regulation of hemodynamics, metabolic reprogramming, and inflammation. Therefore, in this review, we aim to discuss the role of GPCRs in the pathogenesis of AKI and summarize the relevant clinical trials involving GPCRs to assess the potential of GPCRs and their ligands as therapeutic targets in AKI and the transition to AKI-CKD.
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Affiliation(s)
- Liangjing Lv
- Department of Nephrology, the Key Laboratory for the Prevention and Treatment of Chronic Kidney Disease of Chongqing, Chongqing Clinical Research Center of Kidney and Urology Diseases, Xinqiao Hospital, Army Medical University, Third Military Medical University), Chongqing, 400037, China
| | - Yong Liu
- Department of Nephrology, the Key Laboratory for the Prevention and Treatment of Chronic Kidney Disease of Chongqing, Chongqing Clinical Research Center of Kidney and Urology Diseases, Xinqiao Hospital, Army Medical University, Third Military Medical University), Chongqing, 400037, China
| | - Jiachuan Xiong
- Department of Nephrology, the Key Laboratory for the Prevention and Treatment of Chronic Kidney Disease of Chongqing, Chongqing Clinical Research Center of Kidney and Urology Diseases, Xinqiao Hospital, Army Medical University, Third Military Medical University), Chongqing, 400037, China
| | - Shaobo Wang
- Department of Nephrology, the Key Laboratory for the Prevention and Treatment of Chronic Kidney Disease of Chongqing, Chongqing Clinical Research Center of Kidney and Urology Diseases, Xinqiao Hospital, Army Medical University, Third Military Medical University), Chongqing, 400037, China
| | - Yan Li
- Department of Nephrology, the Key Laboratory for the Prevention and Treatment of Chronic Kidney Disease of Chongqing, Chongqing Clinical Research Center of Kidney and Urology Diseases, Xinqiao Hospital, Army Medical University, Third Military Medical University), Chongqing, 400037, China
| | - Bo Zhang
- Department of Nephrology, the Key Laboratory for the Prevention and Treatment of Chronic Kidney Disease of Chongqing, Chongqing Clinical Research Center of Kidney and Urology Diseases, Xinqiao Hospital, Army Medical University, Third Military Medical University), Chongqing, 400037, China
| | - Yinghui Huang
- Department of Nephrology, the Key Laboratory for the Prevention and Treatment of Chronic Kidney Disease of Chongqing, Chongqing Clinical Research Center of Kidney and Urology Diseases, Xinqiao Hospital, Army Medical University, Third Military Medical University), Chongqing, 400037, China
| | - Jinghong Zhao
- Department of Nephrology, the Key Laboratory for the Prevention and Treatment of Chronic Kidney Disease of Chongqing, Chongqing Clinical Research Center of Kidney and Urology Diseases, Xinqiao Hospital, Army Medical University, Third Military Medical University), Chongqing, 400037, China.
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2
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Sajkowska JJ, Tsang CH, Kozielewicz P. Application of FRET- and BRET-based live-cell biosensors in deorphanization and ligand discovery studies on orphan G protein-coupled receptors. SLAS DISCOVERY : ADVANCING LIFE SCIENCES R & D 2024; 29:100174. [PMID: 39084335 DOI: 10.1016/j.slasd.2024.100174] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/26/2024] [Revised: 07/16/2024] [Accepted: 07/26/2024] [Indexed: 08/02/2024]
Abstract
Bioluminescence- and fluorescence-based resonance energy transfer assays have gained considerable attention in pharmacological research as high-throughput scalable tools applicable to drug discovery. To this end, G protein-coupled receptors represent the biggest target class for marketed drugs, and among them, orphan G protein-coupled receptors have the biggest untapped therapeutic potential. In this review, the cases where biophysical methods, BRET and FRET, were employed for deorphanization and ligand discovery studies on orphan G protein-coupled receptors are listed and discussed.
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Affiliation(s)
- Joanna J Sajkowska
- Department of Medical Biochemistry and Biophysics, Karolinska Institute, Stockholm, Sweden; Department of Organic and Physical Chemistry, Faculty of Pharmacy, Medical University of Warsaw, Warsaw, Poland; Department of Medical Biochemistry and Microbiology, Uppsala University, Uppsala, Sweden
| | - Choi Har Tsang
- Department of Physiology and Pharmacology, Molecular Pharmacology of GPCRs, Karolinska Institute, Stockholm, Sweden
| | - Paweł Kozielewicz
- Department of Physiology and Pharmacology, Molecular Pharmacology of GPCRs, Karolinska Institute, Stockholm, Sweden.
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3
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Dudkina N, Park HB, Song D, Jain A, Khan SA, Flavell RA, Johnson CH, Palm NW, Crawford JM. Human AKR1C3 binds agonists of GPR84 and participates in an expanded polyamine pathway. Cell Chem Biol 2024:S2451-9456(24)00313-1. [PMID: 39163853 DOI: 10.1016/j.chembiol.2024.07.011] [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: 01/19/2024] [Revised: 05/15/2024] [Accepted: 07/22/2024] [Indexed: 08/22/2024]
Abstract
Altered human aldo-keto reductase family 1 member C3 (AKR1C3) expression has been associated with poor prognosis in diverse cancers, ferroptosis resistance, and metabolic diseases. Despite its clinical significance, the endogenous biochemical roles of AKR1C3 remain incompletely defined. Using untargeted metabolomics, we identified a major transformation mediated by AKR1C3, in which a spermine oxidation product "sperminal" is reduced to "sperminol." Sperminal causes DNA damage and activates the DNA double-strand break response, whereas sperminol induces autophagy in vitro. AKR1C3 also pulls down acyl-pyrones and pyrone-211 inhibits AKR1C3 activity. Through G protein-coupled receptor ligand screening, we determined that pyrone-211 is also a potent agonist of the semi-orphan receptor GPR84. Strikingly, mammalian fatty acid synthase produces acyl-pyrones in vitro, and this production is modulated by NADPH. Taken together, our studies support a regulatory role of AKR1C3 in an expanded polyamine pathway and a model linking fatty acid synthesis and NADPH levels to GPR84 signaling.
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Affiliation(s)
- Natavan Dudkina
- Department of Chemistry, Yale University, New Haven, CT 06520, USA; Institute of Biomolecular Design & Discovery, Yale University, West Haven, CT 06516, USA
| | - Hyun Bong Park
- Department of Chemistry, Yale University, New Haven, CT 06520, USA; Institute of Biomolecular Design & Discovery, Yale University, West Haven, CT 06516, USA; Department of Biology, College of Natural Sciences, Gangneung-Wonju National University, Gangneung 25457, Republic of Korea
| | - Deguang Song
- Department of Immunobiology, Yale School of Medicine, New Haven, CT 06536, USA
| | - Abhishek Jain
- Department of Environmental Health Sciences, Yale School of Public Health, New Haven, CT 06536, USA
| | - Sajid A Khan
- Department of Surgery, Division of Surgical Oncology, Yale School of Medicine, New Haven, CT 06510, USA
| | - Richard A Flavell
- Department of Immunobiology, Yale School of Medicine, New Haven, CT 06536, USA; Howard Hughes Medical Institute, Yale School of Medicine, New Haven, CT 06536, USA
| | - Caroline H Johnson
- Department of Environmental Health Sciences, Yale School of Public Health, New Haven, CT 06536, USA.
| | - Noah W Palm
- Department of Immunobiology, Yale School of Medicine, New Haven, CT 06536, USA.
| | - Jason M Crawford
- Department of Chemistry, Yale University, New Haven, CT 06520, USA; Institute of Biomolecular Design & Discovery, Yale University, West Haven, CT 06516, USA; Department of Microbial Pathogenesis, Yale School of Medicine, New Haven, CT 06536, USA.
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4
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Xiao Y, Chen J, Li S, Zhang Q, Liu Y, Chen L, Sun Y, Gu M, Xie X, Nan F. Discovery of GPR84 Fluorogenic Probes Based on a Novel Antagonist for GPR84 Bioimaging. J Med Chem 2024; 67:10875-10890. [PMID: 38946306 DOI: 10.1021/acs.jmedchem.4c00359] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/02/2024]
Abstract
GPR84 is a promising therapeutic target and biomarker for a range of diseases. In this study, we reported the discovery of BINOL phosphate (BINOP) derivatives as GPR84 antagonists. By investigating the structure-activity relationship, we identified 15S as a novel GPR84 antagonist. 15S exhibits low nanomolar potency and high selectivity for GPR84, while its enantiomer 15R is less active. Next, we rationally designed and synthesized a series of GPR84 fluorogenic probes by conjugating Nile red and compound 15S. The leading hybrid, probe F8, not only retained GPR84 activity but also exhibited low nonspecific binding and a turn-on fluorescent signal in an apolar environment. F8 enabled visualization and detection of GPR84 in GPR84-overexpressing HEK293 cells and lipopolysaccharide-stimulated neutrophils. Furthermore, we demonstrated that F8 can detect upregulated GPR84 protein levels in mice models of inflammatory bowel disease and acute lung injury. Thus, compound F8 represents a promising tool for studying GPR84 functions.
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Affiliation(s)
- Yufeng Xiao
- State Key Laboratory of Drug Research, National Center for Drug Screening, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Jing Chen
- State Key Laboratory of Drug Research, National Center for Drug Screening, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Shaoxian Li
- State Key Laboratory of Drug Research, National Center for Drug Screening, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Qing Zhang
- State Key Laboratory of Drug Research, National Center for Drug Screening, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
- University of Chinese Academy of Sciences, Beijing 100049, China
- School of Pharmaceutical Science and Technology, Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences, Hangzhou 310024, China
- Shandong Laboratory of Yantai Drug Discovery, Bohai Rim Advanced Research Institute for Drug Discovery, Yantai 264117, Shandong, China
| | - Yin Liu
- School of Chinese Materia Medica, Nanjing University of Chinese Medicine, Nanjing 210023, China
| | - Linhai Chen
- State Key Laboratory of Drug Research, National Center for Drug Screening, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
- University of Chinese Academy of Sciences, Beijing 100049, China
- Shandong Laboratory of Yantai Drug Discovery, Bohai Rim Advanced Research Institute for Drug Discovery, Yantai 264117, Shandong, China
| | - Yadi Sun
- State Key Laboratory of Drug Research, National Center for Drug Screening, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
- University of Chinese Academy of Sciences, Beijing 100049, China
- School of Pharmaceutical Science and Technology, Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences, Hangzhou 310024, China
| | - Min Gu
- State Key Laboratory of Drug Research, National Center for Drug Screening, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
| | - Xin Xie
- State Key Laboratory of Drug Research, National Center for Drug Screening, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
- University of Chinese Academy of Sciences, Beijing 100049, China
- School of Pharmaceutical Science and Technology, Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences, Hangzhou 310024, China
- School of Chinese Materia Medica, Nanjing University of Chinese Medicine, Nanjing 210023, China
- Shandong Laboratory of Yantai Drug Discovery, Bohai Rim Advanced Research Institute for Drug Discovery, Yantai 264117, Shandong, China
| | - Fajun Nan
- State Key Laboratory of Drug Research, National Center for Drug Screening, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
- University of Chinese Academy of Sciences, Beijing 100049, China
- School of Pharmaceutical Science and Technology, Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences, Hangzhou 310024, China
- Shandong Laboratory of Yantai Drug Discovery, Bohai Rim Advanced Research Institute for Drug Discovery, Yantai 264117, Shandong, China
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5
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Kanemoto S. G protein-coupled receptor 84 gene expression is regulated by the ER stress response in the liver. J Biochem 2024; 176:55-68. [PMID: 38471516 DOI: 10.1093/jb/mvae027] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2023] [Revised: 02/22/2024] [Accepted: 03/06/2024] [Indexed: 03/14/2024] Open
Abstract
G protein-coupled receptor 84 (Gpr84) is reportedly activated by medium-chain fatty acids and is involved in the pathology of liver fibrosis. Inflammatory stimulants, such as lipopolysaccharide and tumor necrosis factor-α, upregulate Gpr84 expression. However, the detailed molecular mechanism by which Gpr84 is induced remains unknown. Inflammatory stimulation also evokes endoplasmic reticulum (ER) stress, but there has been no direct evidence to link Gpr84 expression and the ER stress response. Administration of tunicamycin (Tm) provokes ER stress and acute steatosis in the liver tissue of mice. Here, in situ hybridization analysis revealed that induction of Gpr84 expression occurred in parenchymal cells in the liver tissue following Tm administration. Gene expression analysis using a reporter assay showed that the intron 1 region of Gpr84 was involved in induction of the gene under ER stress conditions. Furthermore, Tm-dependent upregulation of Gpr84 was blocked by the small chemical compound AEBSF, an inhibitor of ER stress transducers, in vitro and in vivo. In conclusion, the current study marks the discovery that the ER stress agent Tm induces the expression of Gpr84.
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Affiliation(s)
- Soshi Kanemoto
- Department of Biochemistry, Graduate School of Biomedical and Health Sciences, Hiroshima University, 1-2-3 Kasumi, Minami-ku, Hiroshima, 734-8553, Japan
- Department of Functional Anatomy and Neuroscience, Asahikawa Medical University, Midorigaoka-higashi 2-1-1-1, Asahikawa, Hokkaido, 078-8510, Japan
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Cooper PO, Kleb SS, Noonepalle SK, Amuso VM, Varshney R, Rudolph MC, Dhaliwal TK, Nguyen DV, Mazumder MF, Babirye NS, Gupta R, Nguyen BN, Shook BA. G-protein-coupled receptor 84 regulates acute inflammation in normal and diabetic skin wounds. Cell Rep 2024; 43:114288. [PMID: 38814782 PMCID: PMC11247419 DOI: 10.1016/j.celrep.2024.114288] [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: 06/22/2023] [Revised: 03/18/2024] [Accepted: 05/13/2024] [Indexed: 06/01/2024] Open
Abstract
Lipids have emerged as potent regulators of immune cell function. In the skin, adipocyte lipolysis increases the local pool of free fatty acids and is essential for coordinating early macrophage inflammation following injury. Here, we investigate G-protein-coupled receptor 84 (GPR84), a medium-chain fatty acid (MCFA) receptor, for its potential to propagate pro-inflammatory signaling after skin injury. GPR84 signaling was identified as a key component of regulating myeloid cell numbers and subsequent tissue repair through in vivo administration of a pharmacological antagonist and the MCFA decanoic acid. We found that impaired injury-induced dermal adipocyte lipolysis is a hallmark of diabetes, and lipidomic analysis demonstrated that MCFAs are significantly reduced in diabetic murine wounds. Furthermore, local administration of decanoic acid rescued myeloid cell numbers and tissue repair during diabetic wound healing. Thus, GPR84 is a readily targetable lipid signaling pathway for manipulating injury-induced tissue inflammation with beneficial effects on acute diabetic healing.
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Affiliation(s)
- Paula O Cooper
- Department of Biochemistry and Molecular Medicine, School of Medicine and Health Sciences, The George Washington University, Washington, DC 20037, USA
| | - Sarah S Kleb
- Department of Biochemistry and Molecular Medicine, School of Medicine and Health Sciences, The George Washington University, Washington, DC 20037, USA
| | - Satish K Noonepalle
- Department of Biochemistry and Molecular Medicine, School of Medicine and Health Sciences, The George Washington University, Washington, DC 20037, USA
| | - Veronica M Amuso
- Department of Biochemistry and Molecular Medicine, School of Medicine and Health Sciences, The George Washington University, Washington, DC 20037, USA
| | - Rohan Varshney
- Department of Biochemistry and Physiology, The University of Oklahoma Health Sciences Center, Oklahoma City, OK 73104, USA
| | - Michael C Rudolph
- Department of Biochemistry and Physiology, The University of Oklahoma Health Sciences Center, Oklahoma City, OK 73104, USA
| | - Tanvir K Dhaliwal
- Department of Biochemistry and Molecular Medicine, School of Medicine and Health Sciences, The George Washington University, Washington, DC 20037, USA
| | - Darlene V Nguyen
- Department of Biochemistry and Molecular Medicine, School of Medicine and Health Sciences, The George Washington University, Washington, DC 20037, USA
| | - Miguel F Mazumder
- Department of Biochemistry and Molecular Medicine, School of Medicine and Health Sciences, The George Washington University, Washington, DC 20037, USA
| | - Najuma S Babirye
- Department of Biochemistry and Molecular Medicine, School of Medicine and Health Sciences, The George Washington University, Washington, DC 20037, USA
| | - Ruchi Gupta
- Department of Surgery, School of Medicine and Health Sciences, The George Washington University, Washington, DC 20037, USA
| | - Bao-Ngoc Nguyen
- Department of Biochemistry and Molecular Medicine, School of Medicine and Health Sciences, The George Washington University, Washington, DC 20037, USA; Department of Surgery, School of Medicine and Health Sciences, The George Washington University, Washington, DC 20037, USA
| | - Brett A Shook
- Department of Biochemistry and Molecular Medicine, School of Medicine and Health Sciences, The George Washington University, Washington, DC 20037, USA; Department of Dermatology, School of Medicine and Health Sciences, The George Washington University, Washington, DC 20037, USA.
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7
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Kozłowska A, Nitsch-Osuch A. Anthocyanins and Type 2 Diabetes: An Update of Human Study and Clinical Trial. Nutrients 2024; 16:1674. [PMID: 38892607 PMCID: PMC11174612 DOI: 10.3390/nu16111674] [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: 04/29/2024] [Revised: 05/27/2024] [Accepted: 05/28/2024] [Indexed: 06/21/2024] Open
Abstract
Anthocyanins are phenolic compounds occurring in fruits and vegetables. Evidence from pre-clinical studies indicates their role in glucose level regulation, gut microbiota improvement, and inflammation reduction under diabetic conditions. Therefore, incorporating these research advancements into clinical practice would significantly improve the prevention and management of type 2 diabetes. This narrative review provides a concise overview of 18 findings from recent clinical research published over the last 5 years that investigate the therapeutic effects of dietary anthocyanins on diabetes. Anthocyanin supplementation has been shown to have a regulatory effect on fasting blood glucose levels, glycated hemoglobin, and other diabetes-related indicators. Furthermore, increased anthocyanin dosages had more favorable implications for diabetes treatment. This review provides evidence that an anthocyanin-rich diet can improve diabetes outcomes, especially in at-risk groups. Future research should focus on optimal intervention duration, consider multiple clinical biomarkers, and analyze anthocyanin effects among well-controlled versus poorly controlled groups of patients with diabetes.
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Affiliation(s)
- Aleksandra Kozłowska
- Department of Social Medicine and Public Health, Medical University of Warsaw, 02-106 Warsaw, Poland;
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8
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Marsango S, Milligan G. Regulation of the pro-inflammatory G protein-coupled receptor GPR84. Br J Pharmacol 2024; 181:1500-1508. [PMID: 37085331 DOI: 10.1111/bph.16098] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2023] [Revised: 04/06/2023] [Accepted: 04/18/2023] [Indexed: 04/23/2023] Open
Abstract
GPR84 is an understudied rhodopsin-like class A G protein-coupled receptor, which is arousing particular interest from a therapeutic perspective. Not least this reflects that gpr84 expression is significantly up-regulated following acute inflammatory stimuli and in inflammatory diseases, and that receptor activation plays a role in regulating pro-inflammatory responses and migration of cells of the innate immune system such as neutrophils, monocytes, macrophages and microglia. Although most physiological responses of GPR84 reflect receptor coupling to Gαi/o-proteins, several studies indicate that agonist-activated GPR84 can recruit arrestin adaptor proteins and this regulates receptor internalisation and desensitisation. To date, little is known on the patterns of either basal or ligand regulated GPR84 phosphorylation and how these might control these processes. Here, we consider what is known about the regulation of GPR84 signalling with a focus on how G protein receptor kinase-mediated phosphorylation regulates arrestin protein recruitment and receptor function. LINKED ARTICLES: This article is part of a themed issue GPR84 Pharmacology. To view the other articles in this section visit http://onlinelibrary.wiley.com/doi/10.1111/bph.v181.10/issuetoc.
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Affiliation(s)
- Sara Marsango
- Centre for Translational Pharmacology, School of Molecular Biosciences, College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow, UK
| | - Graeme Milligan
- Centre for Translational Pharmacology, School of Molecular Biosciences, College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow, UK
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Aktar R, Rondinelli S, Peiris M. GPR84 in physiology-Many functions in many tissues. Br J Pharmacol 2024; 181:1524-1535. [PMID: 37533166 DOI: 10.1111/bph.16206] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2023] [Revised: 06/20/2023] [Accepted: 07/17/2023] [Indexed: 08/04/2023] Open
Abstract
Members of the GPCR superfamily have a wide variety of physiological roles and are therefore valuable targets for developing effective medicines. However, within this superfamily are receptors that are less well characterized and remain orphans, including GPR84. This receptor is stimulated by ligands derived from dietary nutrients, specifically medium chain fatty acids (C9-14), and novel synthetic agonists. There are data demonstrating the role of GPR84 in inflammatory pathways, in addition to emerging data suggesting a key role for GPR84 as a nutrient-sensing GPCR involved in metabolism by sensing energy load via nutrient exposure and subsequent signalling leading to modulation of food intake. Exploring GPR84 pharmacology, its localization and what drives its expression has revealed multiple roles for this receptor. Here, we will reflect on these various roles of GRP84 demonstrated thus far, primarily by exploring data from pre-clinical and clinical studies in various physiological systems, with a specific focus on the gastrointestinal tract. LINKED ARTICLES: This article is part of a themed issue GPR84 Pharmacology. To view the other articles in this section visit http://onlinelibrary.wiley.com/doi/10.1111/bph.v181.10/issuetoc.
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Affiliation(s)
- Rubina Aktar
- Centre for Neuroscience, Surgery and Trauma, Blizard Institute, Barts and The London School of Medicine and Dentistry, Queen Mary University of London, London, UK
| | - Silvia Rondinelli
- Centre for Neuroscience, Surgery and Trauma, Blizard Institute, Barts and The London School of Medicine and Dentistry, Queen Mary University of London, London, UK
| | - Madusha Peiris
- Centre for Neuroscience, Surgery and Trauma, Blizard Institute, Barts and The London School of Medicine and Dentistry, Queen Mary University of London, London, UK
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10
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Yao MX, Yu HX, Mo HL, Zhang ZH, Song QC, Liu Q, Yang QY, Wang LX, Li Y. Structural and pharmacological characterization of a medium-chain fatty acid receptor GPR84 in common carp (Cyprinus carpio). DEVELOPMENTAL AND COMPARATIVE IMMUNOLOGY 2024; 153:105126. [PMID: 38160872 DOI: 10.1016/j.dci.2023.105126] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/12/2023] [Revised: 12/23/2023] [Accepted: 12/24/2023] [Indexed: 01/03/2024]
Abstract
The medium-chain fatty acid receptor GPR84, a member of the G protein-coupled receptor family, is mainly expressed in macrophages and microglia, and is involved in the regulation of inflammatory responses and retinal development in mammals and amphibians. However, structure, tissue distribution, and pharmacology of this receptor have rarely been reported in fish. In this study, we cloned the coding sequence (CDS) of common carp GPR84 (ccGPR84), examined its tissue distribution, and explored its cellular signaling function. The results showed that the CDS of ccGPR84 is 1191 bp and encodes a putative protein with 396 amino acids. Phylogenetic and chromosomal synteny analyses revealed that ccGPR84 was evolutionarily conserved with Cyprinids. Real-time quantitative PCR (qPCR) indicated that ccGPR84 was predominantly expressed in the intestine and spleen. Luciferase reporter assay demonstrated that nonanoic acid, capric acid (decanoic acid), undecanoic acid and lauric acid could inhibit cAMP signaling pathway and activate MAPK/ERK signaling pathway, while the potencies of these four fatty acids on the two signaling pathways were different. Lauric acid has the highest inhibitory potency on cAMP signaling pathway, followed by undecanoic acid, nonanoic acid, and capric acid. While for MAPK/ERK signaling pathway, nonanoic acid has the highest activation potency, followed by undecanoic acid, capric acid, and lauric acid. These findings lay the foundation for revealing the roles of different medium-chain fatty acids in the inflammatory response of common carp.
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Affiliation(s)
- Ming-Xing Yao
- College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi, 712100, China
| | - Hui-Xia Yu
- College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi, 712100, China
| | - Hao-Lin Mo
- College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi, 712100, China
| | - Zhi-Hao Zhang
- College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi, 712100, China
| | - Qing-Chuan Song
- College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi, 712100, China
| | - Qiao Liu
- Department of Pathology, The Second Affiliated Hospital of Air Force Medical University, Xi'an, Shaanxi, 710038, China
| | - Qi-Yuan Yang
- Department of Molecular, Cell and Cancer Biology, University of Massachusetts, Medical School, Worcester, MA, 01605, USA
| | - Li-Xin Wang
- College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi, 712100, China
| | - Yang Li
- College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi, 712100, China.
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11
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Ma J, Li G, Wang H, Mo C. Comprehensive review of potential drugs with anti-pulmonary fibrosis properties. Biomed Pharmacother 2024; 173:116282. [PMID: 38401514 DOI: 10.1016/j.biopha.2024.116282] [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: 12/06/2023] [Revised: 02/02/2024] [Accepted: 02/17/2024] [Indexed: 02/26/2024] Open
Abstract
Pulmonary fibrosis is a chronic and progressive lung disease characterized by the accumulation of scar tissue in the lungs, which leads to impaired lung function and reduced quality of life. The prognosis for idiopathic pulmonary fibrosis (IPF), which is the most common form of pulmonary fibrosis, is generally poor. The median survival for patients with IPF is estimated to be around 3-5 years from the time of diagnosis. Currently, there are two approved drugs (Pirfenidone and Nintedanib) for the treatment of IPF. However, Pirfenidone and Nintedanib are not able to reverse or cure pulmonary fibrosis. There is a need for new pharmacological interventions that can slow or halt disease progression and cure pulmonary fibrosis. This review aims to provide an updated overview of current and future drug interventions for idiopathic pulmonary fibrosis, and to summarize possible targets of potential anti-pulmonary fibrosis drugs, providing theoretical support for further clinical combination therapy or the development of new drugs.
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Affiliation(s)
- Jie Ma
- Sichuan Provincial Key Laboratory for Human Disease Gene Study, Center for Medical Genetics, Sichuan Provincial People's Hospital, University of Electronic Science and Technology of China, Chengdu, China; The Key Laboratory of Birth Defects and Related Diseases of Women and Children of MOE, State Key Laboratory of Biotherapy, West China Second University Hospital, Sichuan University, Chengdu, China
| | - Gang Li
- Department of Thoracic Surgery, Sichuan Provincial People's Hospital, University of Electronic Science and Technology of China, Chengdu, China
| | - Han Wang
- Department of Biochemistry, School of Medicine, Case Western Reserve University, Cleveland, OH, USA; Center for RNA Science and Therapeutics, School of Medicine, Cleveland, OH, USA
| | - Chunheng Mo
- The Key Laboratory of Birth Defects and Related Diseases of Women and Children of MOE, State Key Laboratory of Biotherapy, West China Second University Hospital, Sichuan University, Chengdu, China.
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12
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Ieremias L, Kaspersen MH, Manandhar A, Schultz-Knudsen K, Vrettou CI, Pokhrel R, Heidtmann CV, Jenkins L, Kanellou C, Marsango S, Li Y, Bräuner-Osborne H, Rexen Ulven E, Milligan G, Ulven T. Structure-Activity Relationship Studies and Optimization of 4-Hydroxypyridones as GPR84 Agonists. J Med Chem 2024; 67:3542-3570. [PMID: 38381650 DOI: 10.1021/acs.jmedchem.3c01923] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/23/2024]
Abstract
GPR84 is a putative medium-chain fatty acid receptor that is implicated in regulation of inflammation and fibrogenesis. Studies have indicated that GPR84 agonists may have therapeutic potential in diseases such as Alzheimer's disease, atherosclerosis, and cancer, but there is a lack of quality tool compounds to explore this potential. The fatty acid analogue LY237 (4a) is the most potent GPR84 agonist disclosed to date but has unfavorable physicochemical properties. We here present a SAR study of 4a. Several highly potent agonists were identified with EC50 down to 28 pM, and with SAR generally in excellent agreement with structure-based modeling. Proper incorporation of rings and polar groups resulted in the identification of TUG-2099 (4s) and TUG-2208 (42a), both highly potent GPR84 agonists with lowered lipophilicity and good to excellent solubility, in vitro permeability, and microsomal stability, which will be valuable tools for exploring the pharmacology and therapeutic prospects of GPR84.
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Affiliation(s)
- Loukas Ieremias
- Department of Drug Design and Pharmacology, Faculty of Health, University of Copenhagen, Universitetsparken 2, 2100 Copenhagen Ø, Copenhagen, Denmark
| | - Mads H Kaspersen
- Department of Drug Design and Pharmacology, Faculty of Health, University of Copenhagen, Universitetsparken 2, 2100 Copenhagen Ø, Copenhagen, Denmark
- Department of Physics, Chemistry and Pharmacy, Faculty of Science, University of Southern Denmark, Campusvej 55, 5230 Odense M, Odense, Denmark
| | - Asmita Manandhar
- Department of Drug Design and Pharmacology, Faculty of Health, University of Copenhagen, Universitetsparken 2, 2100 Copenhagen Ø, Copenhagen, Denmark
| | - Katrine Schultz-Knudsen
- Department of Drug Design and Pharmacology, Faculty of Health, University of Copenhagen, Universitetsparken 2, 2100 Copenhagen Ø, Copenhagen, Denmark
| | - Christina Ioanna Vrettou
- Department of Drug Design and Pharmacology, Faculty of Health, University of Copenhagen, Universitetsparken 2, 2100 Copenhagen Ø, Copenhagen, Denmark
| | - Rina Pokhrel
- Department of Drug Design and Pharmacology, Faculty of Health, University of Copenhagen, Universitetsparken 2, 2100 Copenhagen Ø, Copenhagen, Denmark
| | - Christoffer V Heidtmann
- Department of Physics, Chemistry and Pharmacy, Faculty of Science, University of Southern Denmark, Campusvej 55, 5230 Odense M, Odense, Denmark
| | - Laura Jenkins
- School of Molecular Biosciences, College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow G12 8QQ, Scotland, U.K
| | - Christina Kanellou
- Department of Drug Design and Pharmacology, Faculty of Health, University of Copenhagen, Universitetsparken 2, 2100 Copenhagen Ø, Copenhagen, Denmark
| | - Sara Marsango
- Department of Drug Design and Pharmacology, Faculty of Health, University of Copenhagen, Universitetsparken 2, 2100 Copenhagen Ø, Copenhagen, Denmark
| | - Yueming Li
- School of Molecular Biosciences, College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow G12 8QQ, Scotland, U.K
| | - Hans Bräuner-Osborne
- Department of Drug Design and Pharmacology, Faculty of Health, University of Copenhagen, Universitetsparken 2, 2100 Copenhagen Ø, Copenhagen, Denmark
| | - Elisabeth Rexen Ulven
- Department of Drug Design and Pharmacology, Faculty of Health, University of Copenhagen, Universitetsparken 2, 2100 Copenhagen Ø, Copenhagen, Denmark
| | - Graeme Milligan
- School of Molecular Biosciences, College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow G12 8QQ, Scotland, U.K
| | - Trond Ulven
- Department of Drug Design and Pharmacology, Faculty of Health, University of Copenhagen, Universitetsparken 2, 2100 Copenhagen Ø, Copenhagen, Denmark
- Department of Physics, Chemistry and Pharmacy, Faculty of Science, University of Southern Denmark, Campusvej 55, 5230 Odense M, Odense, Denmark
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13
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Li J, Ma A, Zhang R, Chen Y, Bolyard C, Zhao B, Wang C, Pich T, Li W, Sun N, Ma Q, Wen H, Clinton SK, Carson WE, Li Z, Xin G. Targeting metabolic sensing switch GPR84 on macrophages for cancer immunotherapy. Cancer Immunol Immunother 2024; 73:52. [PMID: 38349405 PMCID: PMC10864225 DOI: 10.1007/s00262-023-03603-3] [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: 06/21/2023] [Accepted: 12/12/2023] [Indexed: 02/15/2024]
Abstract
INTRODUCTION As one of the major components of the tumor microenvironment, tumor-associated macrophages (TAMs) possess profound inhibitory activity against T cells and facilitate tumor escape from immune checkpoint blockade therapy. Converting this pro-tumorigenic toward the anti-tumorigenic phenotype thus is an important strategy for enhancing adaptive immunity against cancer. However, a plethora of mechanisms have been described for pro-tumorigenic differentiation in cancer, metabolic switches to program the anti-tumorigenic property of TAMs are elusive. MATERIALS AND METHODS From an unbiased analysis of single-cell transcriptome data from multiple tumor models, we discovered that anti-tumorigenic TAMs uniquely express elevated levels of a specific fatty acid receptor, G-protein-coupled receptor 84 (GPR84). Genetic ablation of GPR84 in mice leads to impaired pro-inflammatory polarization of macrophages, while enhancing their anti-inflammatory phenotype. By contrast, GPR84 activation by its agonist, 6-n-octylaminouracil (6-OAU), potentiates pro-inflammatory phenotype via the enhanced STAT1 pathway. Moreover, 6-OAU treatment significantly retards tumor growth and increases the anti-tumor efficacy of anti-PD-1 therapy. CONCLUSION Overall, we report a previously unappreciated fatty acid receptor, GPR84, that serves as an important metabolic sensing switch for orchestrating anti-tumorigenic macrophage polarization. Pharmacological agonists of GPR84 hold promise to reshape and reverse the immunosuppressive TME, and thereby restore responsiveness of cancer to overcome resistance to immune checkpoint blockade.
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Affiliation(s)
- Jianying Li
- Department of Microbiology and Immunology, Pelotonia Institute for Immuno-Oncology, The James Comprehensive Cancer Center, The Ohio State University, 460 W 12th Ave, Columbus, OH, 43210, USA
- Department of Microbial Infection and Immunity, The Ohio State University College of Medicine, Columbus, OH, USA
| | - Anjun Ma
- Department of Microbiology and Immunology, Pelotonia Institute for Immuno-Oncology, The James Comprehensive Cancer Center, The Ohio State University, 460 W 12th Ave, Columbus, OH, 43210, USA
- Department of Biomedical Informatics, The Ohio State University, Columbus, OH, 43210, USA
| | - Ruohan Zhang
- Dorothy M. Davis Heart and Lung Research Institute, The Ohio State University Wexner Medical Center, Columbus, OH, USA
- Department of Physiology and Cell Biology, College of Medicine, The Ohio State University Wexner Medical Center, Columbus, OH, USA
| | - Yao Chen
- Shanghai Institute of Immunology, Department of Immunology and Microbiology, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Chelsea Bolyard
- Department of Microbiology and Immunology, Pelotonia Institute for Immuno-Oncology, The James Comprehensive Cancer Center, The Ohio State University, 460 W 12th Ave, Columbus, OH, 43210, USA
| | - Bao Zhao
- Department of Microbiology and Immunology, Pelotonia Institute for Immuno-Oncology, The James Comprehensive Cancer Center, The Ohio State University, 460 W 12th Ave, Columbus, OH, 43210, USA
- Department of Microbial Infection and Immunity, The Ohio State University College of Medicine, Columbus, OH, USA
| | - Cankun Wang
- Department of Biomedical Informatics, The Ohio State University, Columbus, OH, 43210, USA
| | - Thera Pich
- Department of Microbiology and Immunology, Pelotonia Institute for Immuno-Oncology, The James Comprehensive Cancer Center, The Ohio State University, 460 W 12th Ave, Columbus, OH, 43210, USA
| | - Wantong Li
- Department of Microbiology and Immunology, Pelotonia Institute for Immuno-Oncology, The James Comprehensive Cancer Center, The Ohio State University, 460 W 12th Ave, Columbus, OH, 43210, USA
| | - Nuo Sun
- Dorothy M. Davis Heart and Lung Research Institute, The Ohio State University Wexner Medical Center, Columbus, OH, USA
- Department of Physiology and Cell Biology, College of Medicine, The Ohio State University Wexner Medical Center, Columbus, OH, USA
| | - Qin Ma
- Department of Microbiology and Immunology, Pelotonia Institute for Immuno-Oncology, The James Comprehensive Cancer Center, The Ohio State University, 460 W 12th Ave, Columbus, OH, 43210, USA
- Department of Biomedical Informatics, The Ohio State University, Columbus, OH, 43210, USA
| | - Haitao Wen
- Department of Microbiology and Immunology, Pelotonia Institute for Immuno-Oncology, The James Comprehensive Cancer Center, The Ohio State University, 460 W 12th Ave, Columbus, OH, 43210, USA
- Department of Microbial Infection and Immunity, The Ohio State University College of Medicine, Columbus, OH, USA
| | - Steven K Clinton
- Department of Urology, The Ohio State University College of Medicine, Columbus, OH, USA
| | - William E Carson
- Department of Surgery, The Ohio State University College of Medicine, Columbus, OH, USA
| | - Zihai Li
- Department of Microbiology and Immunology, Pelotonia Institute for Immuno-Oncology, The James Comprehensive Cancer Center, The Ohio State University, 460 W 12th Ave, Columbus, OH, 43210, USA
| | - Gang Xin
- Department of Microbiology and Immunology, Pelotonia Institute for Immuno-Oncology, The James Comprehensive Cancer Center, The Ohio State University, 460 W 12th Ave, Columbus, OH, 43210, USA.
- Department of Microbial Infection and Immunity, The Ohio State University College of Medicine, Columbus, OH, USA.
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14
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Sofia C, Comes A, Sgalla G, Richeldi L. An update on emerging drugs for the treatment of idiopathic pulmonary fibrosis: a look towards 2023 and beyond. Expert Opin Emerg Drugs 2023; 28:283-296. [PMID: 37953604 DOI: 10.1080/14728214.2023.2281416] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2023] [Accepted: 11/06/2023] [Indexed: 11/14/2023]
Abstract
INTRODUCTION Currently approved drug treatments for idiopathic pulmonary fibrosis (IPF), pirfenidone and nintedanib, have been shown to slow lung function decline and improve clinical outcomes. Since significant advances in the understanding of pathogenetic mechanisms in IPF, novel potential agents are being tested to identify new targeted and better tolerated therapeutic strategies. AREAS COVERED This review describes the evidence from IPF phase II and III clinical trials that have been completed or are ongoing in recent years. The literature search was performed using Medline and Clinicaltrials.org databases. Particular attention is paid to the new inhibitor of phosphodiesterase 4B (BI 1015550), being studied in a more advanced research phase. Some emerging critical issues of the pharmacological research are highlighted considering the recent outstanding failures of several phase III trials. EXPERT OPINION An exponential number of randomized clinical trials are underway testing promising new molecules to increase treatment choices for patients with IPF and improve patients' quality of life. The next goals should aim at a deeper understanding of the pathogenic pathways of the disease with the challenging goal of being able not only to stabilize but also to reverse the ongoing fibrotic process in patients with IPF.
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Affiliation(s)
- Carmelo Sofia
- Dipartimento di scienze mediche e chirurgiche, Fondazione Policlinico Universitario Agostino Gemelli IRCCS, Rome, Italy
| | - Alessia Comes
- Dipartimento di scienze mediche e chirurgiche, Fondazione Policlinico Universitario Agostino Gemelli IRCCS, Rome, Italy
| | - Giacomo Sgalla
- Dipartimento di scienze mediche e chirurgiche, Fondazione Policlinico Universitario Agostino Gemelli IRCCS, Rome, Italy
| | - Luca Richeldi
- Dipartimento di scienze mediche e chirurgiche, Fondazione Policlinico Universitario Agostino Gemelli IRCCS, Rome, Italy
- Faculty of Medicine and Surgery, Università Cattolica del Sacro Cuore, Rome, Italy
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15
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Luo W, Gu Y, Fu S, Wang J, Zhang J, Wang Y. Emerging opportunities to treat idiopathic pulmonary fibrosis: Design, discovery, and optimizations of small-molecule drugs targeting fibrogenic pathways. Eur J Med Chem 2023; 260:115762. [PMID: 37683364 DOI: 10.1016/j.ejmech.2023.115762] [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: 06/30/2023] [Revised: 08/15/2023] [Accepted: 08/23/2023] [Indexed: 09/10/2023]
Abstract
Idiopathic pulmonary fibrosis (IPF) is the most common fibrotic form of idiopathic diffuse lung disease. Due to limited treatment options, IPF patients suffer from poor survival. About ten years ago, Pirfenidone (Shionogi, 2008; InterMune, 2011) and Nintedanib (Boehringer Ingelheim, 2014) were approved, greatly changing the direction of IPF drug design. However, limited efficacy and side effects indicate that neither can reverse the process of IPF. With insights into the occurrence of IPF, novel targets and agents have been proposed, which have fundamentally changed the treatment of IPF. With the next-generation agents, targeting pro-fibrotic pathways in the epithelial-injury model offers a promising approach. Besides, several next-generation IPF drugs have entered phase II/III clinical trials with encouraging results. Due to the rising IPF treatment requirements, there is an urgent need to completely summarize the mechanisms, targets, problems, and drug design strategies over the past ten years. In this review, we summarize known mechanisms, target types, drug design, and novel technologies of IPF drug discovery, aiming to provide insights into the future development and clinical application of next-generation IPF drugs.
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Affiliation(s)
- Wenxin Luo
- Department of Pulmonary and Critical Care Medicine, Targeted Tracer Research and Development Laboratory, Institute of Respiratory Health, Frontiers Science Center for Disease-related Molecular Network, Precision Medicine Key Laboratory of Sichuan Province & Precision Medicine Research Center, Joint Research Institution of Altitude Health, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, 610041, Sichuan, China
| | - Yilin Gu
- Department of Pulmonary and Critical Care Medicine, Targeted Tracer Research and Development Laboratory, Institute of Respiratory Health, Frontiers Science Center for Disease-related Molecular Network, Precision Medicine Key Laboratory of Sichuan Province & Precision Medicine Research Center, Joint Research Institution of Altitude Health, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, 610041, Sichuan, China
| | - Siyu Fu
- Department of Pulmonary and Critical Care Medicine, Targeted Tracer Research and Development Laboratory, Institute of Respiratory Health, Frontiers Science Center for Disease-related Molecular Network, Precision Medicine Key Laboratory of Sichuan Province & Precision Medicine Research Center, Joint Research Institution of Altitude Health, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, 610041, Sichuan, China
| | - Jiaxing Wang
- Department of Pharmaceutical Sciences, College of Pharmacy, University of Tennessee Health Science Center, Memphis, 38163, Tennessee, United States
| | - Jifa Zhang
- Department of Pulmonary and Critical Care Medicine, Targeted Tracer Research and Development Laboratory, Institute of Respiratory Health, Frontiers Science Center for Disease-related Molecular Network, Precision Medicine Key Laboratory of Sichuan Province & Precision Medicine Research Center, Joint Research Institution of Altitude Health, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, 610041, Sichuan, China; Frontiers Medical Center, Tianfu Jincheng Laboratory, Chengdu, 610212, Sichuan, China.
| | - Yuxi Wang
- Department of Pulmonary and Critical Care Medicine, Targeted Tracer Research and Development Laboratory, Institute of Respiratory Health, Frontiers Science Center for Disease-related Molecular Network, Precision Medicine Key Laboratory of Sichuan Province & Precision Medicine Research Center, Joint Research Institution of Altitude Health, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, 610041, Sichuan, China; Frontiers Medical Center, Tianfu Jincheng Laboratory, Chengdu, 610212, Sichuan, China.
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16
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Cao S, Pan Y, Terker AS, Arroyo Ornelas JP, Wang Y, Tang J, Niu A, Kar SA, Jiang M, Luo W, Dong X, Fan X, Wang S, Wilson MH, Fogo A, Zhang MZ, Harris RC. Epidermal growth factor receptor activation is essential for kidney fibrosis development. Nat Commun 2023; 14:7357. [PMID: 37963889 PMCID: PMC10645887 DOI: 10.1038/s41467-023-43226-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2023] [Accepted: 11/03/2023] [Indexed: 11/16/2023] Open
Abstract
Fibrosis is the progressive accumulation of excess extracellular matrix and can cause organ failure. Fibrosis can affect nearly every organ including kidney and there is no specific treatment currently. Although Epidermal Growth Factor Receptor (EGFR) signaling pathway has been implicated in development of kidney fibrosis, underlying mechanisms by which EGFR itself mediates kidney fibrosis have not been elucidated. We find that EGFR expression increases in interstitial myofibroblasts in human and mouse fibrotic kidneys. Selective EGFR deletion in the fibroblast/pericyte population inhibits interstitial fibrosis in response to unilateral ureteral obstruction, ischemia or nephrotoxins. In vivo and in vitro studies and single-nucleus RNA sequencing analysis demonstrate that EGFR activation does not induce myofibroblast transformation but is necessary for the initial pericyte/fibroblast migration and proliferation prior to subsequent myofibroblast transformation by TGF-ß or other profibrotic factors. These findings may also provide insight into development of fibrosis in other organs and in other conditions.
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Affiliation(s)
- Shirong Cao
- Division of Nephrology and Hypertension, Department of Medicine, Nashville, TN, USA
- Vanderbilt Center for Kidney Disease, Nashville, TN, USA
| | - Yu Pan
- Division of Nephrology and Hypertension, Department of Medicine, Nashville, TN, USA
- Vanderbilt Center for Kidney Disease, Nashville, TN, USA
- Division of Nephrology, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Andrew S Terker
- Division of Nephrology and Hypertension, Department of Medicine, Nashville, TN, USA
- Vanderbilt Center for Kidney Disease, Nashville, TN, USA
| | - Juan Pablo Arroyo Ornelas
- Division of Nephrology and Hypertension, Department of Medicine, Nashville, TN, USA
- Vanderbilt Center for Kidney Disease, Nashville, TN, USA
| | - Yinqiu Wang
- Division of Nephrology and Hypertension, Department of Medicine, Nashville, TN, USA
- Vanderbilt Center for Kidney Disease, Nashville, TN, USA
| | - Jiaqi Tang
- Division of Nephrology and Hypertension, Department of Medicine, Nashville, TN, USA
- Vanderbilt Center for Kidney Disease, Nashville, TN, USA
| | - Aolei Niu
- Division of Nephrology and Hypertension, Department of Medicine, Nashville, TN, USA
- Vanderbilt Center for Kidney Disease, Nashville, TN, USA
| | - Sarah Abu Kar
- Division of Nephrology and Hypertension, Department of Medicine, Nashville, TN, USA
- Vanderbilt Center for Kidney Disease, Nashville, TN, USA
| | - Mengdi Jiang
- Division of Nephrology and Hypertension, Department of Medicine, Nashville, TN, USA
- Vanderbilt Center for Kidney Disease, Nashville, TN, USA
| | - Wentian Luo
- Division of Nephrology and Hypertension, Department of Medicine, Nashville, TN, USA
- Vanderbilt Center for Kidney Disease, Nashville, TN, USA
| | - Xinyu Dong
- Division of Nephrology and Hypertension, Department of Medicine, Nashville, TN, USA
- Vanderbilt Center for Kidney Disease, Nashville, TN, USA
| | - Xiaofeng Fan
- Division of Nephrology and Hypertension, Department of Medicine, Nashville, TN, USA
- Vanderbilt Center for Kidney Disease, Nashville, TN, USA
| | - Suwan Wang
- Division of Nephrology and Hypertension, Department of Medicine, Nashville, TN, USA
- Vanderbilt Center for Kidney Disease, Nashville, TN, USA
| | - Matthew H Wilson
- Division of Nephrology and Hypertension, Department of Medicine, Nashville, TN, USA
- Vanderbilt Center for Kidney Disease, Nashville, TN, USA
- Veterans Affairs, Nashville, TN, USA
| | - Agnes Fogo
- Department of Pathology, Microbiology and Immunology, Vanderbilt University Medical Center, Nashville, TN, USA
| | - Ming-Zhi Zhang
- Division of Nephrology and Hypertension, Department of Medicine, Nashville, TN, USA.
- Vanderbilt Center for Kidney Disease, Nashville, TN, USA.
| | - Raymond C Harris
- Division of Nephrology and Hypertension, Department of Medicine, Nashville, TN, USA.
- Vanderbilt Center for Kidney Disease, Nashville, TN, USA.
- Veterans Affairs, Nashville, TN, USA.
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17
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Guan S, Hu T, Chen L, Li Z, Lin Z, Lei J, Shen J. A novel PPARβ/FFA1 dual agonist Y8 promotes diabetic wound healing. Eur J Pharmacol 2023; 958:175934. [PMID: 37562666 DOI: 10.1016/j.ejphar.2023.175934] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2023] [Revised: 06/30/2023] [Accepted: 07/31/2023] [Indexed: 08/12/2023]
Abstract
BACKGROUND Diabetes ulcer is one of the leading causes of disability and death in diabetics. Y8 [(2-(2-fluoro-4-((4-methyl-2-(4-(trifluoromethyl)phenyl)thiazol-5-yl)methoxy) phenoxy)acetic acid)], a dual agonist of peroxisome proliferation activated receptorβ (PPARβ) and free fatty acid receptor 1 (FFA1/FFAR1/GPR40), a new compound molecule with the potential for diabetes ulcer treatment. OBJECTIVE To research the effect of the dual target agonist Y8 and its mechanism of action in the treatment of diabetic ulcers. METHODS We have established a wound model in diabetic mice. After treatment with Y8, wound healing was evaluated by tissue pathology, reactive oxygen species (ROS) levels, and gene expression testing. Under high sugar conditions, the mechanism of Y8 affecting fibroblasts' proliferation and keratinocytes' migration is further studied. RESULTS We found that Y8 accelerated wound healing and shortened healing time in diabetic mice. Granulation tissue generation and extracellular matrix (ECM) deposition were significantly increased in Y8-treated mice. Mechanistically, Y8 promotes keratinocyte proliferation by activating PPARβ and migration of keratinocytes by triggering FFA1 in vitro. In addition, Y8 also decreased ROS levels in fibroblasts in vitro and in vivo by activating PPARβ, reducing their release of superoxide anions. CONCLUSION Our results suggest that PPARβ/FFA1 dual agonist Y8 has the effect of promoting the healing of diabetic ulcer wounds in vivo and in vitro, and its therapeutic effect is better than that of single-target agonists.
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Affiliation(s)
- Sujuan Guan
- School of Bioscience and Biopharmaceutics, Guangdong Province Key Laboratory of Pharmaceutical Bioactive Substances, Guangdong Pharmaceutical University, Guangzhou, 510006, PR China.
| | - Tingting Hu
- School of Bioscience and Biopharmaceutics, Guangdong Province Key Laboratory of Pharmaceutical Bioactive Substances, Guangdong Pharmaceutical University, Guangzhou, 510006, PR China.
| | - Liushan Chen
- Department of Breast, Guangdong Provincial Hospital of Chinese Medicine, Guangzhou, Guangdong, 510120, PR China.
| | - Zheng Li
- School of Pharmacy, Guangdong Pharmaceutical University, Guangzhou, 510006, PR China.
| | - Zhenming Lin
- School of Bioscience and Biopharmaceutics, Guangdong Province Key Laboratory of Pharmaceutical Bioactive Substances, Guangdong Pharmaceutical University, Guangzhou, 510006, PR China.
| | - Jinping Lei
- Guangdong Key Laboratory of Chiral Molecule and Drug Discovery, School of Pharmaceutical Sciences, Sun Yat-Sen University, Guangzhou, 510006, PR China.
| | - Juan Shen
- School of Bioscience and Biopharmaceutics, Guangdong Province Key Laboratory of Pharmaceutical Bioactive Substances, Guangdong Pharmaceutical University, Guangzhou, 510006, PR China.
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18
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Hadi DD, Marsool MDM, Marsool ADM, Vora N, Al‐Badri SG, Al‐Fatlawi NHK, Abbas Al Wssawi AF, Al‐Ibraheem AMT, Hamza KA, Prajjwal P, Mateen MA, Amir O. Idiopathic pulmonary fibrosis: Addressing the current and future therapeutic advances along with the role of Sotatercept in the management of pulmonary hypertension. Immun Inflamm Dis 2023; 11:e1079. [PMID: 38018591 PMCID: PMC10632947 DOI: 10.1002/iid3.1079] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2023] [Revised: 10/10/2023] [Accepted: 10/27/2023] [Indexed: 11/30/2023] Open
Abstract
BACKGROUND Idiopathic pulmonary fibrosis (IPF) is a progressive and debilitating lung disease characterized by irreversible scarring of the lungs. The cause of IPF is unknown, but it is thought to involve a combination of genetic and environmental factors. There is no cure for IPF, and treatment is focused on slowing disease progression and relieving symptoms. AIMS We aimed in this review to investigate and provide the latest insights into IPF management modalities, including the potential of Saracatinibas a substitute for current IPF drugs. We also investigated the therapeutic potential of Sotatercept in addressing pulmonary hypertension associated with IPF. MATERIALS AND METHODS We conducted a comprehensive literature review of relevant studies on IPF management. We searched electronic databases, including PubMed, Scopus, Embase, and Web of science. RESULTS The two Food and Drug Administration-approved drugs for IPF, Pirfenidone, and Nintedanib, have been pivotal in slowing disease progression, yet experimental evidence suggests that Saracatinib surpasses their efficacy. Preclinical trials investigating the potential of Saracatinib, a tyrosine kinase inhibitor, have shown to be more effective than current IPF drugs in slowing disease progression in preclinical studies. Also, Sotatercept,a fusion protein, has been shown to reduce pulmonary vascular resistance and improve exercise tolerance in patients with PH associated with IPF in clinical trials. CONCLUSIONS The advancements discussed in this review hold the promise of improving the quality of life for IPF patients and enhancing our understanding of this condition. There remains a need for further research to confirm the efficacy and safety of new IPF treatments and to develop more effective strategies for managing exacerbations.
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Affiliation(s)
- Dalia D. Hadi
- Department of Internal MedicineAl‐Kindy College of Medicine, University of BaghdadBaghdadIraq
| | | | | | - Neel Vora
- Department Internal MedicineB.J. Medical CollegeAhmedabadIndia
| | - Sajjad G. Al‐Badri
- Department of Internal MedicineUniversity of Baghdad, College of MedicineBaghdadIraq
| | | | | | | | - Khadija A. Hamza
- Department of Internal MedicineAl‐Kindy College of Medicine, University of BaghdadBaghdadIraq
| | - Priyadarshi Prajjwal
- Department of Internal MedicineBharati Vidyapeeth University Medical CollegePuneIndia
| | - Mohammed A. Mateen
- Department of Internal MedicineShadan Institute of Medical Sciences Teaching Hospital and Research CenterHyderabadIndia
| | - Omniat Amir
- Department of Internal MedicineAl Manhal AcademyKhartoumSudan
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19
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Bonella F, Spagnolo P, Ryerson C. Current and Future Treatment Landscape for Idiopathic Pulmonary Fibrosis. Drugs 2023; 83:1581-1593. [PMID: 37882943 PMCID: PMC10693523 DOI: 10.1007/s40265-023-01950-0] [Citation(s) in RCA: 13] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/17/2023] [Indexed: 10/27/2023]
Abstract
Idiopathic pulmonary fibrosis (IPF) remains a disease with poor survival. The pathogenesis is complex and encompasses multiple molecular pathways. The first-generation antifibrotics pirfenidone and nintedanib, approved more than 10 years ago, have been shown to reduce the rate of progression, increase the length of life for patients with IPF, and work for other fibrotic lung diseases. In the last two decades, most clinical trials on IPF have failed to meet the primary endpoint and an urgent unmet need remains to identify agents or treatment strategies that can stop disease progression. The pharmacotherapeutic landscape for IPF is moving forward with a number of new drugs currently in clinical development, mostly in phase I and II trials, while only a few phase III trials are running. Since our understanding of IPF pathogenesis is still limited, we should keep focusing our efforts to deeper understand the mechanisms underlying this complex disease and their reflection on clinical phenotypes. This review discusses the key pathogenetic concepts for the development of new antifibrotic agents, presents the newest data on approved therapies, and summarizes new compounds currently in clinical development. Finally, future directions in antifibrotics development are discussed.
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Affiliation(s)
- Francesco Bonella
- Pneumology Department, Center for Interstitial and Rare Lung Diseases, Ruhrlandklinik University Hospital, University of Duisburg Essen, Essen, Germany.
| | - Paolo Spagnolo
- Cardiac, Thoracic and Vascular, Sciences and Public Health, University of Padova School of Medicine and Surgery, Padua, Italy
| | - Chris Ryerson
- Department of Medicine, The University of British Columbia, Vancouver, BC, Canada
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20
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Zhang X, Wang Y, Supekar S, Cao X, Zhou J, Dang J, Chen S, Jenkins L, Marsango S, Li X, Liu G, Milligan G, Feng M, Fan H, Gong W, Zhang C. Pro-phagocytic function and structural basis of GPR84 signaling. Nat Commun 2023; 14:5706. [PMID: 37709767 PMCID: PMC10502086 DOI: 10.1038/s41467-023-41201-0] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2023] [Accepted: 08/26/2023] [Indexed: 09/16/2023] Open
Abstract
GPR84 is a unique orphan G protein-coupled receptor (GPCR) that can be activated by endogenous medium-chain fatty acids (MCFAs). The signaling of GPR84 is largely pro-inflammatory, which can augment inflammatory response, and GPR84 also functions as a pro-phagocytic receptor to enhance phagocytic activities of macrophages. In this study, we show that the activation of GPR84 by the synthetic agonist 6-OAU can synergize with the blockade of CD47 on cancer cells to induce phagocytosis of cancer cells by macrophages. We also determine a high-resolution structure of the GPR84-Gi signaling complex with 6-OAU. This structure reveals an occluded binding pocket for 6-OAU, the molecular basis of receptor activation involving non-conserved structural motifs of GPR84, and an unusual Gi-coupling interface. Together with computational docking and simulations studies, this structure also suggests a mechanism for the high selectivity of GPR84 for MCFAs and a potential routes of ligand binding and dissociation. These results provide a framework for understanding GPR84 signaling and developing new drugs targeting GPR84.
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Affiliation(s)
- Xuan Zhang
- Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, Anhui, China
- Department of Pharmacology and Chemical Biology, University of Pittsburgh School of Medicine, University of Pittsburgh, Pittsburgh, PA, 15261, USA
| | - Yujing Wang
- Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, Anhui, China
| | - Shreyas Supekar
- Bioinformatics Institute (BII), Agency for Science, Technology and Research (A*STAR), Singapore, 138671, Singapore
| | - Xu Cao
- Department of Immuno-Oncology, Beckman Research Institute, City of Hope Comprehensive Cancer Center, Duarte, CA, 91010, USA
| | - Jingkai Zhou
- Department of Immuno-Oncology, Beckman Research Institute, City of Hope Comprehensive Cancer Center, Duarte, CA, 91010, USA
| | - Jessica Dang
- Department of Immuno-Oncology, Beckman Research Institute, City of Hope Comprehensive Cancer Center, Duarte, CA, 91010, USA
| | - Siqi Chen
- Department of Immuno-Oncology, Beckman Research Institute, City of Hope Comprehensive Cancer Center, Duarte, CA, 91010, USA
| | - Laura Jenkins
- Centre for Translational Pharmacology, School of Molecular Biosciences, College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow, G12 8QQ, Scotland, UK
| | - Sara Marsango
- Centre for Translational Pharmacology, School of Molecular Biosciences, College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow, G12 8QQ, Scotland, UK
| | - Xiu Li
- Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, Anhui, China
| | - Guibing Liu
- Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, Anhui, China
| | - Graeme Milligan
- Centre for Translational Pharmacology, School of Molecular Biosciences, College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow, G12 8QQ, Scotland, UK.
| | - Mingye Feng
- Department of Immuno-Oncology, Beckman Research Institute, City of Hope Comprehensive Cancer Center, Duarte, CA, 91010, USA.
| | - Hao Fan
- Bioinformatics Institute (BII), Agency for Science, Technology and Research (A*STAR), Singapore, 138671, Singapore.
- Synthetic Biology Translational Research Program and Department of Biochemistry, School of Medicine, National University of Singapore, Singapore, Singapore.
- Cancer and Stem Cell Biology Program, Duke-NUS Medical School, Singapore, Singapore.
| | - Weimin Gong
- Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, Anhui, China.
| | - Cheng Zhang
- Department of Pharmacology and Chemical Biology, University of Pittsburgh School of Medicine, University of Pittsburgh, Pittsburgh, PA, 15261, USA.
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21
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Yu D, Xiang Y, Gou T, Tong R, Xu C, Chen L, Zhong L, Shi J. New therapeutic approaches against pulmonary fibrosis. Bioorg Chem 2023; 138:106592. [PMID: 37178650 DOI: 10.1016/j.bioorg.2023.106592] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2022] [Revised: 04/27/2023] [Accepted: 05/02/2023] [Indexed: 05/15/2023]
Abstract
Pulmonary fibrosis is the end-stage change of a large class of lung diseases characterized by the proliferation of fibroblasts and the accumulation of a large amount of extracellular matrix, accompanied by inflammatory damage and tissue structure destruction, which also shows the normal alveolar tissue is damaged and then abnormally repaired resulting in structural abnormalities (scarring). Pulmonary fibrosis has a serious impact on the respiratory function of the human body, and the clinical manifestation is progressive dyspnea. The incidence of pulmonary fibrosis-related diseases is increasing year by year, and no curative drugs have appeared so far. Nevertheless, research on pulmonary fibrosis have also increased in recent years, but there are no breakthrough results. Pathological changes of pulmonary fibrosis appear in the lungs of patients with coronavirus disease 2019 (COVID-19) that have not yet ended, and whether to improve the condition of patients with COVID-19 by means of the anti-fibrosis therapy, which are the questions we need to address now. This review systematically sheds light on the current state of research on fibrosis from multiple perspectives, hoping to provide some references for design and optimization of subsequent drugs and the selection of anti-fibrosis treatment plans and strategies.
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Affiliation(s)
- Dongke Yu
- Department of Pharmacy, Sichuan Academy of Medical Sciences & Sichuan Provincial People's Hospital, School of Medicine, University of Electronic Science and Technology of China, Chengdu 610072, China; Personalized Drug Therapy Key Laboratory of Sichuan Province, School of Medicine, University of Electronic Science and Technology of China, Chengdu 610072, China
| | - Yu Xiang
- College of Medicine, University of Electronic Science and Technology, Chengdu 610072, China
| | - Tingting Gou
- State Key Laboratory of Southwestern Chinese Medicine Resources, School of Pharmacology, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China
| | - Rongsheng Tong
- Department of Pharmacy, Sichuan Academy of Medical Sciences & Sichuan Provincial People's Hospital, School of Medicine, University of Electronic Science and Technology of China, Chengdu 610072, China; Personalized Drug Therapy Key Laboratory of Sichuan Province, School of Medicine, University of Electronic Science and Technology of China, Chengdu 610072, China
| | - Chuan Xu
- Department of Oncology, Sichuan Academy of Medical Sciences, Sichuan Provincial People's Hospital, University of Electronic Science and Technology of China, Chengdu, Sichuan 610072, China
| | - Lu Chen
- Department of Pharmacy, Sichuan Academy of Medical Sciences & Sichuan Provincial People's Hospital, School of Medicine, University of Electronic Science and Technology of China, Chengdu 610072, China; Personalized Drug Therapy Key Laboratory of Sichuan Province, School of Medicine, University of Electronic Science and Technology of China, Chengdu 610072, China.
| | - Ling Zhong
- Sichuan Provincial Key Laboratory for Human Disease Gene Study, Center for Medical Genetics, Sichuan Academy of Medical Sciences & Sichuan Provincial People's Hospital, University of Electronic Science and Technology, Chengdu 610072, China.
| | - Jianyou Shi
- Department of Pharmacy, Sichuan Academy of Medical Sciences & Sichuan Provincial People's Hospital, School of Medicine, University of Electronic Science and Technology of China, Chengdu 610072, China; Personalized Drug Therapy Key Laboratory of Sichuan Province, School of Medicine, University of Electronic Science and Technology of China, Chengdu 610072, China.
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22
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Koudstaal T, Wijsenbeek MS. Idiopathic pulmonary fibrosis. Presse Med 2023; 52:104166. [PMID: 37156412 DOI: 10.1016/j.lpm.2023.104166] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/01/2023] [Revised: 03/14/2023] [Accepted: 05/02/2023] [Indexed: 05/10/2023] Open
Abstract
Idiopathic pulmonary fibrosis (IPF) is a progressive devastating lung disease with substantial morbidity. It is associated with cough, dyspnea and impaired quality of life. If left untreated, IPF has a median survival of 3 years. IPF affects ∼3 million people worldwide, with increasing incidence in older patients. The current concept of pathogenesis is that pulmonary fibrosis results from repetitive injury to the lung epithelium, with fibroblast accumulation, myofibroblast activation, and deposition of matrix. These injuries, in combination with innate and adaptive immune responses, dysregulated wound repair and fibroblast dysfunction, lead to recurring tissue remodeling and self-perpetuating fibrosis as seen in IPF. The diagnostic approach includes the exclusion of other interstitial lung diseases or underlying conditions and depends on a multidisciplinary team-based discussion combining radiological and clinical features and well as in some cases histology. In the last decade, considerable progress has been made in the understanding of IPF clinical management, with the availability of two drugs, pirfenidone and nintedanib, that decrease pulmonary lung function decline. However, current IPF therapies only slow disease progression and prognosis remains poor. Fortunately, there are multiple clinical trials ongoing with potential new therapies targeting different disease pathways. This review provides an overview of IPF epidemiology, current insights in pathophysiology, diagnostic and therapeutic management approaches. Finally, a detailed description of current and evolving therapeutic approaches is also provided.
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Affiliation(s)
- Thomas Koudstaal
- Center for Interstitial Lung Diseases and Sarcoidosis, Department of Pulmonary Medicine, Erasmus University Medical Center, Rotterdam, the Netherlands.
| | - Marlies S Wijsenbeek
- Center for Interstitial Lung Diseases and Sarcoidosis, Department of Pulmonary Medicine, Erasmus University Medical Center, Rotterdam, the Netherlands
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23
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Kumar M, Gaivin RJ, Khan S, Fedorov Y, Adams DJ, Zhao W, Lee HY, Dai X, Dealwis CG, Schelling JR. Definition of fatty acid transport protein-2 (FATP2) structure facilitates identification of small molecule inhibitors for the treatment of diabetic complications. Int J Biol Macromol 2023; 244:125328. [PMID: 37307967 PMCID: PMC10527240 DOI: 10.1016/j.ijbiomac.2023.125328] [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: 02/22/2023] [Revised: 06/06/2023] [Accepted: 06/08/2023] [Indexed: 06/14/2023]
Abstract
Diabetes is a major public health problem due to morbidity and mortality associated with end organ complications. Uptake of fatty acids by Fatty Acid Transport Protein-2 (FATP2) contributes to hyperglycemia, diabetic kidney and liver disease pathogenesis. Because FATP2 structure is unknown, a homology model was constructed, validated by AlphaFold2 prediction and site-directed mutagenesis, and then used to conduct a virtual drug discovery screen. In silico similarity searches to two low-micromolar IC50 FATP2 inhibitors, followed by docking and pharmacokinetics predictions, narrowed a diverse 800,000 compound library to 23 hits. These candidates were further evaluated for inhibition of FATP2-dependent fatty acid uptake and apoptosis in cells. Two compounds demonstrated nanomolar IC50, and were further characterized by molecular dynamic simulations. The results highlight the feasibility of combining a homology model with in silico and in vitro screening, to economically identify high affinity inhibitors of FATP2, as potential treatment for diabetes and its complications.
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Affiliation(s)
- Mukesh Kumar
- Department of Pharmacology, Case Western Reserve University, Cleveland, OH 44106, United States of America
| | - Robert J Gaivin
- Department of Physiology and Biophysics, Case Western Reserve University, Cleveland, OH 44106, United States of America
| | - Shenaz Khan
- Department of Physiology and Biophysics, Case Western Reserve University, Cleveland, OH 44106, United States of America
| | - Yuriy Fedorov
- Department of Genetics, Case Western Reserve University, Cleveland, OH 44106, United States of America
| | - Drew J Adams
- Department of Genetics, Case Western Reserve University, Cleveland, OH 44106, United States of America
| | - Weiyang Zhao
- Department of Biochemistry, Case Western Reserve University, Cleveland, OH 44106, United States of America
| | - Hsueh-Yun Lee
- School of Pharmacy, College of Pharmacy, Taipei Medical University, Taipei 110, Taiwan
| | - Xinghong Dai
- Department of Physiology and Biophysics, Case Western Reserve University, Cleveland, OH 44106, United States of America
| | - Chris G Dealwis
- Department of Pharmacology, Case Western Reserve University, Cleveland, OH 44106, United States of America; Department of Chemistry, Case Western Reserve University, Cleveland, OH 44106, United States of America
| | - Jeffrey R Schelling
- Department of Physiology and Biophysics, Case Western Reserve University, Cleveland, OH 44106, United States of America; Department of Medicine, Case Western Reserve University, Cleveland, OH 44106, United States of America.
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24
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Feng L, Chen X, Huang Y, Zhang X, Zheng S, Xie N. Immunometabolism changes in fibrosis: from mechanisms to therapeutic strategies. Front Pharmacol 2023; 14:1243675. [PMID: 37576819 PMCID: PMC10412938 DOI: 10.3389/fphar.2023.1243675] [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: 06/21/2023] [Accepted: 07/17/2023] [Indexed: 08/15/2023] Open
Abstract
Immune cells are essential for initiating and developing the fibrotic process by releasing cytokines and growth factors that activate fibroblasts and promote extracellular matrix deposition. Immunometabolism describes how metabolic alterations affect the function of immune cells and how inflammation and immune responses regulate systemic metabolism. The disturbed immune cell function and their interactions with other cells in the tissue microenvironment lead to the origin and advancement of fibrosis. Understanding the dysregulated metabolic alterations and interactions between fibroblasts and the immune cells is critical for providing new therapeutic targets for fibrosis. This review provides an overview of recent advances in the pathophysiology of fibrosis from the immunometabolism aspect, highlighting the altered metabolic pathways in critical immune cell populations and the impact of inflammation on fibroblast metabolism during the development of fibrosis. We also discuss how this knowledge could be leveraged to develop novel therapeutic strategies for treating fibrotic diseases.
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Affiliation(s)
- Lixiang Feng
- West China School of Basic Medical Sciences and Forensic Medicine, Sichuan University, and State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, and Collaborative Innovation Center for Biotherapy, Chengdu, China
| | - Xingyu Chen
- West China School of Basic Medical Sciences and Forensic Medicine, Sichuan University, and State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, and Collaborative Innovation Center for Biotherapy, Chengdu, China
| | - Yujing Huang
- West China School of Basic Medical Sciences and Forensic Medicine, Sichuan University, and State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, and Collaborative Innovation Center for Biotherapy, Chengdu, China
| | - Xiaodian Zhang
- Hainan Cancer Clinical Medical Center of the First Affiliated Hospital, Key Laboratory of Tropical Cardiovascular Diseases Research of Hainan Province and Key Laboratory of Emergency and Trauma of Ministry of Education, Hainan Medical University, Haikou, China
| | - Shaojiang Zheng
- Hainan Cancer Clinical Medical Center of the First Affiliated Hospital, Key Laboratory of Tropical Cardiovascular Diseases Research of Hainan Province and Key Laboratory of Emergency and Trauma of Ministry of Education, Hainan Medical University, Haikou, China
- Department of Pathology, Hainan Women and Children Medical Center, Hainan Medical University, Haikou, China
| | - Na Xie
- West China School of Basic Medical Sciences and Forensic Medicine, Sichuan University, and State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, and Collaborative Innovation Center for Biotherapy, Chengdu, China
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25
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Ren Q, Fan Y, Yang L, Shan M, Shi W, Qian H. An updated patent review of GPR40/ FFAR1 modulators (2020 - present). Expert Opin Ther Pat 2023; 33:565-577. [PMID: 37947382 DOI: 10.1080/13543776.2023.2272649] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2023] [Accepted: 10/04/2023] [Indexed: 11/12/2023]
Abstract
INTRODUCTION Free fatty acid receptor 1 (FFAR1) is a potential therapeutic target for type 2 diabetes mellitus (T2DM) because it could clinically stimulate insulin release in a glucose-dependent manner without inducing hypoglycemia. In both the pharmaceutical industry and academic community, FFAR1 agonists have attracted considerable attention. AREAS COVERED The review presents a patent overview of FFAR1 modulators in 2020-2023, along with chemical structures, the biological activities and therapeutic applications of the representative compounds. Our patent survey used the major electronic databases, namely SciFinder, and Web of Science and Innojoy. EXPERT OPINION Although FFAR1 agonists exhibit outstanding advantages, they are also associated with significant challenges. At present, reducing the molecular weight and overall lipophilicity and developing tissue-specific FFAR1 agonists may be the strategies for alleviating hepatotoxicity.
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Affiliation(s)
- Qiang Ren
- Center of Drug Discovery, State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing, PR China
| | - Yiqing Fan
- Center of Drug Discovery, State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing, PR China
| | - Lixin Yang
- Center of Drug Discovery, State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing, PR China
| | - Mayu Shan
- Center of Drug Discovery, State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing, PR China
| | - Wei Shi
- Center of Drug Discovery, State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing, PR China
| | - Hai Qian
- Center of Drug Discovery, State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing, PR China
- Jiangsu Key Laboratory of Drug Discovery for Metabolic Disease, China Pharmaceutical University, Nanjing, PR China
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26
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Li SX, Wang SW, Chen LH, Zhang Q, Lu D, Chen J, Fang YC, Gu M, Xie X, Nan FJ. Unsymmetrical Phosphodiesters as GPR84 Antagonists with High Blood Exposure for the Treatment of Lung Inflammation. J Med Chem 2023; 66:5820-5838. [PMID: 37053384 DOI: 10.1021/acs.jmedchem.3c00053] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/15/2023]
Abstract
GPR84 is a proinflammatory G protein-coupled receptor that mediates myeloid immune cell functions. Blocking GPR84 with antagonists is a promising approach for treating inflammatory and fibrotic diseases. Previously, a GPR84 antagonist 604c, with a symmetrical phosphodiester structure, has displayed promising efficacy in a mouse model of ulcerative colitis. However, the low blood exposure resulting from physicochemical properties prevented its uses in other inflammatory diseases. In this study, a series of unsymmetrical phosphodiesters with lower lipophilicity were designed and tested. The representative compound 37 exhibited a 100-fold increase in mouse blood exposure compared to 604c while maintaining in vitro activity. In a mouse model of acute lung injury, 37 (30 mg/kg, po) significantly reduced the infiltration of proinflammatory cells and the release of inflammatory cytokines and ameliorated pathological changes equally or more effectively than N-acetylcysteine (100 mg/kg, po). These findings suggest that 37 is a promising candidate for treating lung inflammation.
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Affiliation(s)
- Shao-Xian Li
- State Key Laboratory of Drug Research, National Center for Drug Screening, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Si-Wei Wang
- State Key Laboratory of Drug Research, National Center for Drug Screening, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Lin-Hai Chen
- State Key Laboratory of Drug Research, National Center for Drug Screening, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
| | - Qing Zhang
- State Key Laboratory of Drug Research, National Center for Drug Screening, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
- School of Pharmaceutical Science and Technology, Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences, Hangzhou 310024, China
- Shandong Laboratory of Yantai Drug Discovery, Bohai Rim Advanced Research Institute for Drug Discovery, Yantai 264117, Shandong, China
| | - Dan Lu
- School of Chinese Materia Medica, Nanjing University of Chinese Medicine, Nanjing 210023, China
| | - Jing Chen
- State Key Laboratory of Drug Research, National Center for Drug Screening, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - You-Chen Fang
- State Key Laboratory of Drug Research, National Center for Drug Screening, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
| | - Min Gu
- State Key Laboratory of Drug Research, National Center for Drug Screening, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
| | - Xin Xie
- State Key Laboratory of Drug Research, National Center for Drug Screening, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
- University of Chinese Academy of Sciences, Beijing 100049, China
- School of Pharmaceutical Science and Technology, Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences, Hangzhou 310024, China
- School of Chinese Materia Medica, Nanjing University of Chinese Medicine, Nanjing 210023, China
- Shandong Laboratory of Yantai Drug Discovery, Bohai Rim Advanced Research Institute for Drug Discovery, Yantai 264117, Shandong, China
| | - Fa-Jun Nan
- State Key Laboratory of Drug Research, National Center for Drug Screening, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
- University of Chinese Academy of Sciences, Beijing 100049, China
- School of Pharmaceutical Science and Technology, Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences, Hangzhou 310024, China
- Shandong Laboratory of Yantai Drug Discovery, Bohai Rim Advanced Research Institute for Drug Discovery, Yantai 264117, Shandong, China
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27
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Ishimwe JA, Ferguson JF, Kirabo A. Sex Differences in Fatty Acid Metabolism and Blood Pressure Response to Dietary Salt in Humans. CARDIOGENETICS 2023; 13:33-46. [PMID: 38605973 PMCID: PMC11008634 DOI: 10.3390/cardiogenetics13010005] [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] [Indexed: 04/13/2024] Open
Abstract
Salt sensitivity is a trait in which high dietary sodium (Na+) intake causes an increase in blood pressure (BP). We previously demonstrated that in the gut, elevated dietary Na+ causes dysbiosis. The mechanistic interplay between excess dietary Na+-induced alteration in the gut microbiome and sex differences is less understood. The goal of this study was to identify novel metabolites in sex differences and blood pressure in response to a high dietary Na+ intake. We performed stool and plasma metabolomics analysis and measured the BP of human volunteers with salt intake above or below the American Heart Association recommendations. We also performed RNA sequencing on human monocytes treated with high salt in vitro. The relationship between BP and dietary Na+ intake was different in women and men. Network analysis revealed that fatty acids as top subnetworks differentially changed with salt intake. We found that women with high dietary Na+ intake have high levels of arachidonic acid related metabolism, suggesting a role in sex differences of the blood pressure response to Na+. The exposure of monocytes to high salt in vitro upregulates the transcription of fatty acid receptors and arachidonic acid-related genes. These findings provide potentially novel insights into metabolic changes underlying gut dysbiosis and inflammation in salt sensitivity of BP.
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Affiliation(s)
- Jeanne A. Ishimwe
- Division of Clinical Pharmacology, Department of Medicine, Vanderbilt University, Nashville, TN 37235, USA
| | - Jane F. Ferguson
- Division of Cardiovascular Medicine, Department of Medicine, Vanderbilt University, Nashville, TN 37235, USA
- Vanderbilt Translational and Clinical Cardiovascular Research Center, Nashville, TN 37235, USA
| | - Annet Kirabo
- Division of Clinical Pharmacology, Department of Medicine, Vanderbilt University, Nashville, TN 37235, USA
- Medical Center, Department of Molecular Physiology and Biophysics, Vanderbilt University, Nashville, TN 37235, USA
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28
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Thong L, McElduff EJ, Henry MT. Trials and Treatments: An Update on Pharmacotherapy for Idiopathic Pulmonary Fibrosis. Life (Basel) 2023; 13:486. [PMID: 36836843 PMCID: PMC9963632 DOI: 10.3390/life13020486] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2023] [Revised: 02/07/2023] [Accepted: 02/08/2023] [Indexed: 02/12/2023] Open
Abstract
Idiopathic pulmonary fibrosis (IPF) is a chronic and progressive fibrosing interstitial lung disease that occurs predominantly in the older population. There is increasing incidence and prevalence in IPF globally. The emergence of anti-fibrotic therapies in the last decade have improved patient survival though a cure is yet to be developed. In this review article, we aim to summarize the existing and novel pharmacotherapies for the treatment of IPF (excluding treatments for acute exacerbations), focusing on the current knowledge on the pathophysiology of the disease, mechanism of action of the drugs, and clinical trials.
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Affiliation(s)
- Lorraine Thong
- Department of Clinical Medicine, Trinity College Dublin, D08 W9RT Dublin, Ireland
| | - Enda James McElduff
- Department of Clinical Medicine, Royal College of Surgeons Ireland, D02 YN77 Dublin, Ireland
| | - Michael Thomas Henry
- Department of Respiratory Medicine, Cork University Hospital, T12 YE02 Cork, Ireland
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29
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Hepatoprotective Effect of a New FFAR1 Agonist-N-Alkylated Isobornylamine. MOLECULES (BASEL, SWITZERLAND) 2023; 28:molecules28010396. [PMID: 36615590 PMCID: PMC9823450 DOI: 10.3390/molecules28010396] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/14/2022] [Revised: 12/26/2022] [Accepted: 12/29/2022] [Indexed: 01/04/2023]
Abstract
Free fatty acid receptor-1 (FFAR1) is one of the possible therapeutic targets in the search for new hepatoprotective drugs. FFAR1 agonists were found to have hypolipidemic, antifibrotic, anti-inflammatory, antiproliferative and antioxidant effects in addition to hypoglycemic action. In this work, we conducted a study of the hepatoprotective effect of the compound QS-528 (previously discovered as an agonist of FFAR1) at doses of 60, 90, 120 and 150 mg/kg on carbon tetrachloride (CCl4)-induced liver injury. At the end of the experiment, a biochemical blood assay demonstrated that the introduction of QS-528 dose-dependently reduces the levels of liver enzymes (AST, ALT and ALKP). Histological and morphometric studies of animals' livers treated with QS-528 at doses of 120 and 150 mg/kg showed a decrease in degenerative/necrotic changes in hepatocytes and an increase in the regenerative activity of the liver. In addition, no toxicity at a single oral dose of 1000 mg/kg and an increase in HepG2 cell viability in vitro were found. Thus, the compound QS-528 was found to exhibit a hepatoprotective effect against CCl4-induced toxic liver damage.
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30
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Pulmonary Fibrosis as a Result of Acute Lung Inflammation: Molecular Mechanisms, Relevant In Vivo Models, Prognostic and Therapeutic Approaches. Int J Mol Sci 2022; 23:ijms232314959. [PMID: 36499287 PMCID: PMC9735580 DOI: 10.3390/ijms232314959] [Citation(s) in RCA: 66] [Impact Index Per Article: 33.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2022] [Revised: 11/24/2022] [Accepted: 11/25/2022] [Indexed: 12/03/2022] Open
Abstract
Pulmonary fibrosis is a chronic progressive lung disease that steadily leads to lung architecture disruption and respiratory failure. The development of pulmonary fibrosis is mostly the result of previous acute lung inflammation, caused by a wide variety of etiological factors, not resolved over time and causing the deposition of fibrotic tissue in the lungs. Despite a long history of study and good coverage of the problem in the scientific literature, the effective therapeutic approaches for pulmonary fibrosis treatment are currently lacking. Thus, the study of the molecular mechanisms underlying the transition from acute lung inflammation to pulmonary fibrosis, and the search for new molecular markers and promising therapeutic targets to prevent pulmonary fibrosis development, remain highly relevant tasks. This review focuses on the etiology, pathogenesis, morphological characteristics and outcomes of acute lung inflammation as a precursor of pulmonary fibrosis; the pathomorphological changes in the lungs during fibrosis development; the known molecular mechanisms and key players of the signaling pathways mediating acute lung inflammation and pulmonary fibrosis, as well as the characteristics of the most common in vivo models of these processes. Moreover, the prognostic markers of acute lung injury severity and pulmonary fibrosis development as well as approved and potential therapeutic approaches suppressing the transition from acute lung inflammation to fibrosis are discussed.
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31
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Mikkelsen RB, Arora T, Trošt K, Dmytriyeva O, Jensen SK, Meijnikman AS, Olofsson LE, Lappa D, Aydin Ö, Nielsen J, Gerdes V, Moritz T, van de Laar A, de Brauw M, Nieuwdorp M, Hjorth SA, Schwartz TW, Bäckhed F. Type 2 diabetes is associated with increased circulating levels of 3-hydroxydecanoate activating GPR84 and neutrophil migration. iScience 2022; 25:105683. [PMID: 36561890 PMCID: PMC9763857 DOI: 10.1016/j.isci.2022.105683] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2022] [Revised: 06/10/2022] [Accepted: 11/23/2022] [Indexed: 11/27/2022] Open
Abstract
Obesity and diabetes are associated with inflammation and altered plasma levels of several metabolites, which may be involved in disease progression. Some metabolites can activate G protein-coupled receptors (GPCRs) expressed on immune cells where they can modulate metabolic inflammation. Here, we find that 3-hydroxydecanoate is enriched in the circulation of obese individuals with type 2 diabetes (T2D) compared with nondiabetic controls. Administration of 3-hydroxydecanoate to mice promotes immune cell recruitment to adipose tissue, which was associated with adipose inflammation and increased fasting insulin levels. Furthermore, we demonstrate that 3-hydroxydecanoate stimulates migration of primary human and mouse neutrophils, but not monocytes, through GPR84 and Gαi signaling in vitro. Our findings indicate that 3-hydroxydecanoate is a T2D-associated metabolite that increases inflammatory responses and may contribute to the chronic inflammation observed in diabetes.
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Affiliation(s)
- Randi Bonke Mikkelsen
- Novo Nordisk Foundation Center for Basic Metabolic Research, University of Copenhagen, Copenhagen, Denmark
| | - Tulika Arora
- Novo Nordisk Foundation Center for Basic Metabolic Research, University of Copenhagen, Copenhagen, Denmark
| | - Kajetan Trošt
- Novo Nordisk Foundation Center for Basic Metabolic Research, University of Copenhagen, Copenhagen, Denmark
| | - Oksana Dmytriyeva
- Novo Nordisk Foundation Center for Basic Metabolic Research, University of Copenhagen, Copenhagen, Denmark
| | - Sune Kjærsgaard Jensen
- Novo Nordisk Foundation Center for Basic Metabolic Research, University of Copenhagen, Copenhagen, Denmark
| | - Abraham Stijn Meijnikman
- Department of Internal and Vascular Medicine, Amsterdam University Medical Centre, Amsterdam, the Netherlands
| | - Louise Elisabeth Olofsson
- Department of Molecular and Clinical Medicine/Wallenberg Laboratory, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
| | - Dimitra Lappa
- Department of Biology and Biological Engineering, Chalmers University of Technology, Gothenburg, Sweden
| | - Ömrüm Aydin
- Department of Internal and Vascular Medicine, Amsterdam University Medical Centre, Amsterdam, the Netherlands
| | - Jens Nielsen
- Department of Biology and Biological Engineering, Chalmers University of Technology, Gothenburg, Sweden
| | - Victor Gerdes
- Department of Internal and Vascular Medicine, Amsterdam University Medical Centre, Amsterdam, the Netherlands
| | - Thomas Moritz
- Novo Nordisk Foundation Center for Basic Metabolic Research, University of Copenhagen, Copenhagen, Denmark
| | | | - Maurits de Brauw
- Department of Surgery, Spaarne Hospital, Hoofddorp, the Netherlands
| | - Max Nieuwdorp
- Department of Internal and Vascular Medicine, Amsterdam University Medical Centre, Amsterdam, the Netherlands
| | - Siv Annegrethe Hjorth
- Novo Nordisk Foundation Center for Basic Metabolic Research, University of Copenhagen, Copenhagen, Denmark
| | - Thue Walter Schwartz
- Novo Nordisk Foundation Center for Basic Metabolic Research, University of Copenhagen, Copenhagen, Denmark
| | - Fredrik Bäckhed
- Novo Nordisk Foundation Center for Basic Metabolic Research, University of Copenhagen, Copenhagen, Denmark,Department of Molecular and Clinical Medicine/Wallenberg Laboratory, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden,Region Västra Götaland, Sahlgrenska University Hospital, Department of Clinical Physiology, Gothenburg, Sweden,Corresponding author
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32
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Schulze AS, Kleinau G, Krakowsky R, Rochmann D, Das R, Worth CL, Krumbholz P, Scheerer P, Stäubert C. Evolutionary analyses reveal immune cell receptor GPR84 as a conserved receptor for bacteria-derived molecules. iScience 2022; 25:105087. [PMID: 36164652 PMCID: PMC9508565 DOI: 10.1016/j.isci.2022.105087] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2022] [Revised: 07/26/2022] [Accepted: 08/31/2022] [Indexed: 10/31/2022] Open
Abstract
The G protein-coupled receptor 84 (GPR84) is found in immune cells and its expression is increased under inflammatory conditions. Activation of GPR84 by medium-chain fatty acids results in pro-inflammatory responses. Here, we screened available vertebrate genome data and found that GPR84 is present in vertebrates for more than 500 million years but absent in birds and a pseudogene in bats. Cloning and functional characterization of several mammalian GPR84 orthologs in combination with evolutionary and model-based structural analyses revealed evidence for positive selection of bear GPR84 orthologs. Naturally occurring human GPR84 variants are most frequent in Asian populations causing a loss of function. Further, we identified cis- and trans-2-decenoic acid, both known to mediate bacterial communication, as evolutionary highly conserved ligands. Our integrated set of approaches contributes to a comprehensive understanding of GPR84 in terms of evolutionary and structural aspects, highlighting GPR84 as a conserved immune cell receptor for bacteria-derived molecules.
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Affiliation(s)
- Amadeus Samuel Schulze
- Rudolf Schönheimer Institute of Biochemistry, Faculty of Medicine, Leipzig University, Johannisallee 30, 04103 Leipzig, Germany
| | - Gunnar Kleinau
- Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Institute of Medical Physics and Biophysics, Group Protein X-ray Crystallography and Signal Transduction, Charitéplatz 1, 10117 Berlin, Germany
| | - Rosanna Krakowsky
- Rudolf Schönheimer Institute of Biochemistry, Faculty of Medicine, Leipzig University, Johannisallee 30, 04103 Leipzig, Germany
| | - David Rochmann
- Rudolf Schönheimer Institute of Biochemistry, Faculty of Medicine, Leipzig University, Johannisallee 30, 04103 Leipzig, Germany
| | - Ranajit Das
- Yenepoya Research Centre, Yenepoya University, Mangalore, Karnataka, India
| | - Catherine L Worth
- Independent Data Lab UG, Frauenmantelanger 31, 80937 Munich, Germany
| | - Petra Krumbholz
- Rudolf Schönheimer Institute of Biochemistry, Faculty of Medicine, Leipzig University, Johannisallee 30, 04103 Leipzig, Germany
| | - Patrick Scheerer
- Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Institute of Medical Physics and Biophysics, Group Protein X-ray Crystallography and Signal Transduction, Charitéplatz 1, 10117 Berlin, Germany
| | - Claudia Stäubert
- Rudolf Schönheimer Institute of Biochemistry, Faculty of Medicine, Leipzig University, Johannisallee 30, 04103 Leipzig, Germany
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33
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The Contribution of Lipotoxicity to Diabetic Kidney Disease. Cells 2022; 11:cells11203236. [PMID: 36291104 PMCID: PMC9601125 DOI: 10.3390/cells11203236] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2022] [Revised: 10/02/2022] [Accepted: 10/12/2022] [Indexed: 11/17/2022] Open
Abstract
Lipotoxicity is a fundamental pathophysiologic mechanism in diabetes and non-alcoholic fatty liver disease and is now increasingly recognized in diabetic kidney disease (DKD) pathogenesis. This review highlights lipotoxicity pathways in the podocyte and proximal tubule cell, which are arguably the two most critical sites in the nephron for DKD. The discussion focuses on membrane transporters and lipid droplets, which represent potential therapeutic targets, as well as current and developing pharmacologic approaches to reduce renal lipotoxicity.
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34
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Patel H, Shah JR, Patel DR, Avanthika C, Jhaveri S, Gor K. Idiopathic pulmonary fibrosis: Diagnosis, biomarkers and newer treatment protocols. Dis Mon 2022:101484. [DOI: 10.1016/j.disamonth.2022.101484] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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35
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Zhang Q, Chen LH, Yang H, Fang YC, Wang SW, Wang M, Yuan QT, Wu W, Zhang YM, Liu ZJ, Nan FJ, Xie X. GPR84 signaling promotes intestinal mucosal inflammation via enhancing NLRP3 inflammasome activation in macrophages. Acta Pharmacol Sin 2022; 43:2042-2054. [PMID: 34912006 PMCID: PMC9343429 DOI: 10.1038/s41401-021-00825-y] [Citation(s) in RCA: 28] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2021] [Accepted: 11/16/2021] [Indexed: 02/06/2023] Open
Abstract
The putative medium-chain free fatty acid receptor GPR84 is a G protein-coupled receptor primarily expressed in myeloid cells that constitute the innate immune system, including neutrophils, monocytes, and macrophages in the periphery and microglia in the brain. The fact that GPR84 expression in leukocytes is remarkably increased under acute inflammatory stimuli such as lipopolysaccharide (LPS) and TNFα suggests that it may play a role in the development of inflammatory and fibrotic diseases. Here we demonstrate that GPR84 is highly upregulated in inflamed colon tissues of active ulcerative colitis (UC) patients and dextran sulfate sodium (DSS)-induced colitis mice. Infiltrating GPR84+ macrophages are significantly increased in the colonic mucosa of both the UC patients and the mice with colitis. Consistently, GPR84-/- mice are resistant to the development of colitis induced by DSS. GPR84 activation imposes pro-inflammatory properties in colonic macrophages through enhancing NLRP3 inflammasome activation, while the loss of GPR84 prevents the M1 polarization and properties of proinflammatory macrophages. CLH536, a novel GPR84 antagonist discovered by us, suppresses colitis by reducing the polarization and function of pro-inflammatory macrophages. These results define a unique role of GPR84 in innate immune cells and intestinal inflammation, and suggest that GPR84 may serve as a potential drug target for the treatment of UC.
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Affiliation(s)
- Qing Zhang
- grid.9227.e0000000119573309State Key Laboratory of Drug Research, The National Center for Drug Screening, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, 201203 China ,grid.410726.60000 0004 1797 8419School of Pharmaceutical Science and Technology, Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences, Hangzhou, 310024 China
| | - Lin-hai Chen
- grid.9227.e0000000119573309State Key Laboratory of Drug Research, The National Center for Drug Screening, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, 201203 China
| | - Hui Yang
- grid.9227.e0000000119573309State Key Laboratory of Drug Research, The National Center for Drug Screening, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, 201203 China
| | - You-chen Fang
- grid.9227.e0000000119573309State Key Laboratory of Drug Research, The National Center for Drug Screening, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, 201203 China
| | - Si-wei Wang
- grid.9227.e0000000119573309State Key Laboratory of Drug Research, The National Center for Drug Screening, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, 201203 China ,grid.410726.60000 0004 1797 8419University of Chinese Academy of Sciences, Beijing, 100049 China
| | - Min Wang
- grid.9227.e0000000119573309State Key Laboratory of Drug Research, The National Center for Drug Screening, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, 201203 China
| | - Qian-ting Yuan
- grid.9227.e0000000119573309State Key Laboratory of Drug Research, The National Center for Drug Screening, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, 201203 China
| | - Wei Wu
- grid.24516.340000000123704535Department of Gastroenterology, The Shanghai Tenth People’s Hospital, Tongji University, Shanghai, 200072 China
| | | | - Zhan-ju Liu
- grid.24516.340000000123704535Department of Gastroenterology, The Shanghai Tenth People’s Hospital, Tongji University, Shanghai, 200072 China
| | - Fa-jun Nan
- grid.9227.e0000000119573309State Key Laboratory of Drug Research, The National Center for Drug Screening, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, 201203 China ,grid.410726.60000 0004 1797 8419School of Pharmaceutical Science and Technology, Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences, Hangzhou, 310024 China ,Yantai Key Laboratory of Nanomedicine and Advanced Preparations, Yantai Institute of Materia Medica, Yantai, 264000 China
| | - Xin Xie
- State Key Laboratory of Drug Research, The National Center for Drug Screening, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, 201203, China. .,School of Pharmaceutical Science and Technology, Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences, Hangzhou, 310024, China. .,University of Chinese Academy of Sciences, Beijing, 100049, China.
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36
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Ma H, Wu X, Li Y, Xia Y. Research Progress in the Molecular Mechanisms, Therapeutic Targets, and Drug Development of Idiopathic Pulmonary Fibrosis. Front Pharmacol 2022; 13:963054. [PMID: 35935869 PMCID: PMC9349351 DOI: 10.3389/fphar.2022.963054] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2022] [Accepted: 06/24/2022] [Indexed: 12/12/2022] Open
Abstract
Idiopathic pulmonary fibrosis (IPF) is a fatal interstitial lung disease. Recent studies have identified the key role of crosstalk between dysregulated epithelial cells, mesenchymal, immune, and endothelial cells in IPF. In addition, genetic mutations and environmental factors (e.g., smoking) have also been associated with the development of IPF. With the recent development of sequencing technology, epigenetics, as an intermediate link between gene expression and environmental impacts, has also been reported to be implicated in pulmonary fibrosis. Although the etiology of IPF is unknown, many novel therapeutic targets and agents have emerged from clinical trials for IPF treatment in the past years, and the successful launch of pirfenidone and nintedanib has demonstrated the promising future of anti-IPF therapy. Therefore, we aimed to gain an in-depth understanding of the underlying molecular mechanisms and pathogenic factors of IPF, which would be helpful for the diagnosis of IPF, the development of anti-fibrotic drugs, and improving the prognosis of patients with IPF. In this study, we summarized the pathogenic mechanism, therapeutic targets and clinical trials from the perspective of multiple cell types, gene mutations, epigenetic and environmental factors.
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Affiliation(s)
- Hongbo Ma
- Department of Rehabilitation Medicine, State Key Laboratory of Biotherapy and Cancer Center, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, China
- West China School of Pharmacy, Sichuan University, Chengdu, China
| | - Xuyi Wu
- Department of Rehabilitation Medicine, State Key Laboratory of Biotherapy and Cancer Center, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, China
- Key Laboratory of Rehabilitation Medicine in Sichuan Province/Rehabilitation Medicine Research Institute, Chengdu, China
| | - Yi Li
- Department of Rehabilitation Medicine, State Key Laboratory of Biotherapy and Cancer Center, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, China
- Key Laboratory of Rehabilitation Medicine in Sichuan Province/Rehabilitation Medicine Research Institute, Chengdu, China
| | - Yong Xia
- Department of Rehabilitation Medicine, State Key Laboratory of Biotherapy and Cancer Center, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, China
- Key Laboratory of Rehabilitation Medicine in Sichuan Province/Rehabilitation Medicine Research Institute, Chengdu, China
- *Correspondence: Yong Xia,
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37
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Fredriksson J, Holdfeldt A, Mårtensson J, Björkman L, Møller TC, Müllers E, Dahlgren C, Sundqvist M, Forsman H. GRK2 selectively attenuates the neutrophil NADPH-oxidase response triggered by β-arrestin recruiting GPR84 agonists. BIOCHIMICA ET BIOPHYSICA ACTA. MOLECULAR CELL RESEARCH 2022; 1869:119262. [PMID: 35341806 DOI: 10.1016/j.bbamcr.2022.119262] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/23/2021] [Revised: 03/16/2022] [Accepted: 03/17/2022] [Indexed: 06/14/2023]
Abstract
In order to avoid a prolonged pro-inflammatory neutrophil response, signaling downstream of an agonist-activated G protein-coupled receptor (GPCR) has to be rapidly terminated. Among the family of GPCR kinases (GRKs) that regulate receptor phosphorylation and signaling termination, GRK2, which is highly expressed by immune cells, plays an important role. The medium chain fatty acid receptor GPR84 as well as formyl peptide receptor 2 (FPR2), receptors expressed in neutrophils, play a key role in regulating inflammation. In this study, we investigated the effects of GRK2 inhibitors on neutrophil functions induced by GPR84 and FPR2 agonists. GRK2 was shown to be expressed in human neutrophils and analysis of subcellular fractions revealed a cytosolic localization. The GRK2 inhibitors enhanced and prolonged neutrophil production of reactive oxygen species (ROS) induced by GPR84- but not FPR2-agonists, suggesting a receptor selective function of GRK2. This suggestion was supported by β-arrestin recruitment data. The ROS production induced by a non β-arrestin recruiting GPR84 agonist was not affected by the GRK2 inhibitor. Termination of this β-arrestin independent response relied, similar to the response induced by FPR2 agonists, primarily on the actin cytoskeleton. In summary, we show that GPR84 utilizes GRK2 in concert with β-arrestin and actin cytoskeleton dependent processes to fine-tune the activity of the ROS generating NADPH-oxidase in neutrophils.
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Affiliation(s)
- Johanna Fredriksson
- Department of Rheumatology and Inflammation Research, University of Gothenburg, Gothenburg, Sweden
| | - André Holdfeldt
- Department of Rheumatology and Inflammation Research, University of Gothenburg, Gothenburg, Sweden
| | - Jonas Mårtensson
- Department of Rheumatology and Inflammation Research, University of Gothenburg, Gothenburg, Sweden
| | - Lena Björkman
- Department of Rheumatology and Inflammation Research, University of Gothenburg, Gothenburg, Sweden
| | - Thor C Møller
- Department of Drug Design and Pharmacology, University of Copenhagen, Denmark
| | - Erik Müllers
- Bioscience Cardiovascular, Research and Early Development, Cardiovascular, Renal and Metabolism (CVRM), BioPharmaceuticals R&D, AstraZeneca, Gothenburg, Sweden
| | - Claes Dahlgren
- Department of Rheumatology and Inflammation Research, University of Gothenburg, Gothenburg, Sweden
| | - Martina Sundqvist
- Department of Rheumatology and Inflammation Research, University of Gothenburg, Gothenburg, Sweden.
| | - Huamei Forsman
- Department of Rheumatology and Inflammation Research, University of Gothenburg, Gothenburg, Sweden
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38
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Ortiz-Zapater E, Signes-Costa J, Montero P, Roger I. Lung Fibrosis and Fibrosis in the Lungs: Is It All about Myofibroblasts? Biomedicines 2022; 10:biomedicines10061423. [PMID: 35740444 PMCID: PMC9220162 DOI: 10.3390/biomedicines10061423] [Citation(s) in RCA: 33] [Impact Index Per Article: 16.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2022] [Revised: 06/06/2022] [Accepted: 06/10/2022] [Indexed: 12/15/2022] Open
Abstract
In the lungs, fibrosis is a growing clinical problem that results in shortness of breath and can end up in respiratory failure. Even though the main fibrotic disease affecting the lung is idiopathic pulmonary fibrosis (IPF), which affects the interstitial space, there are many fibrotic events that have high and dangerous consequences for the lungs. Asthma, chronic obstructive pulmonary disease (COPD), excessive allergies, clearance of infection or COVID-19, all are frequent diseases that show lung fibrosis. In this review, we describe the different kinds of fibrosis and analyse the main types of cells involved-myofibroblasts and other cells, like macrophages-and review the main fibrotic mechanisms. Finally, we analyse present treatments for fibrosis in the lungs and highlight potential targets for anti-fibrotic therapies.
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Affiliation(s)
- Elena Ortiz-Zapater
- Department of Biochemistry and Molecular Biology, Faculty of Medicine-IIS INCLIVA, University of Valencia, 46010 Valencia, Spain
- Correspondence:
| | | | - Paula Montero
- Department of Pharmacology, Faculty of Medicine, University of Valencia, 46010 Valencia, Spain; (P.M.); (I.R.)
| | - Inés Roger
- Department of Pharmacology, Faculty of Medicine, University of Valencia, 46010 Valencia, Spain; (P.M.); (I.R.)
- Biomedical Research Networking Centre on Respiratory Diseases (CIBERES), Health Institute Carlos III, 28029 Madrid, Spain
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39
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Yu HX, Feng Z, Lin W, Yang K, Liu RQ, Li JQ, Liu XY, Pei M, Yang HT. Ongoing Clinical Trials in Aging-Related Tissue Fibrosis and New Findings Related to AhR Pathways. Aging Dis 2022; 13:732-752. [PMID: 35656117 PMCID: PMC9116921 DOI: 10.14336/ad.2021.1105] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2021] [Accepted: 11/05/2021] [Indexed: 11/06/2022] Open
Abstract
Fibrosis is a pathological manifestation of wound healing that replaces dead/damaged tissue with collagen-rich scar tissue to maintain homeostasis, and complications from fibrosis contribute to nearly half of all deaths in the industrialized world. Ageing is closely associated with a progressive decline in organ function, and the prevalence of tissue fibrosis dramatically increases with age. Despite the heavy clinical and economic burden of organ fibrosis as the population ages, to date, there is a paucity of therapeutic strategies that are specifically designed to slow fibrosis. Aryl hydrocarbon receptor (AhR) is an environment-sensing transcription factor that exacerbates aging phenotypes in different tissues that has been brought back into the spotlight again with economic development since AhR could interact with persistent organic pollutants derived from incomplete waste combustion. In addition, gut microbiota dysbiosis plays a pivotal role in the pathogenesis of numerous diseases, and microbiota-associated tryptophan metabolites are dedicated contributors to fibrogenesis by acting as AhR ligands. Therefore, a better understanding of the effects of tryptophan metabolites on fibrosis modulation through AhR may facilitate the exploitation of new therapeutic avenues for patients with organ fibrosis. In this review, we primarily focus on how tryptophan-derived metabolites are involved in renal fibrosis, idiopathic pulmonary fibrosis, hepatic fibrosis and cardiac fibrosis. Moreover, a series of ongoing clinical trials are highlighted.
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Affiliation(s)
- Hang-Xing Yu
- 1Department of Nephrology, First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, Tianjin, China.,2National Clinical Research Center for Chinese Medicine Acupuncture and Moxibustion, Tianjin, China
| | - Zhe Feng
- 3Shaanxi University of Chinese Medicine, Xianyang, Shaanxi, China
| | - Wei Lin
- 1Department of Nephrology, First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, Tianjin, China.,2National Clinical Research Center for Chinese Medicine Acupuncture and Moxibustion, Tianjin, China
| | - Kang Yang
- 4Kidney Disease Treatment Center, The first affiliated hospital of Henan university of CM, Zhengzhou, Henan, China
| | - Rui-Qi Liu
- 1Department of Nephrology, First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, Tianjin, China.,2National Clinical Research Center for Chinese Medicine Acupuncture and Moxibustion, Tianjin, China
| | - Jia-Qi Li
- 1Department of Nephrology, First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, Tianjin, China.,2National Clinical Research Center for Chinese Medicine Acupuncture and Moxibustion, Tianjin, China
| | - Xin-Yue Liu
- 1Department of Nephrology, First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, Tianjin, China.,2National Clinical Research Center for Chinese Medicine Acupuncture and Moxibustion, Tianjin, China
| | - Ming Pei
- 1Department of Nephrology, First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, Tianjin, China.,2National Clinical Research Center for Chinese Medicine Acupuncture and Moxibustion, Tianjin, China
| | - Hong-Tao Yang
- 1Department of Nephrology, First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, Tianjin, China.,2National Clinical Research Center for Chinese Medicine Acupuncture and Moxibustion, Tianjin, China
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40
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Chen LH, Zhang Q, Xiao YF, Fang YC, Xie X, Nan FJ. Phosphodiesters as GPR84 Antagonists for the Treatment of Ulcerative Colitis. J Med Chem 2022; 65:3991-4006. [PMID: 35195005 DOI: 10.1021/acs.jmedchem.1c01813] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
GPR84 is a proinflammatory G protein-coupled receptor associated with several inflammatory and fibrotic diseases. GPR84 antagonists have been evaluated in clinical trials to treat ulcerative colitis, idiopathic pulmonary fibrosis, and nonalcoholic steatohepatitis. However, the variety of potent and selective GPR84 antagonists is still limited. Through high-throughput screening, a novel phosphodiester compound hit 1 was identified as a GPR84 antagonist. The subsequent structural optimization led to the identification of compound 33 with improved potency in the calcium mobilization assay and the ability to inhibit the chemotaxis of neutrophils and macrophages upon GPR84 activation. In a DSS-induced mouse model of ulcerative colitis, compound 33 significantly alleviated colitis symptoms and reduced the disease activity index score at oral doses of 25 mg/kg qd, with an efficacy similar to that of positive control 5-aminosalicylic acid (200 mg/kg, qd, po), suggesting that compound 33 is a promising candidate for further drug development.
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Affiliation(s)
- Lin-Hai Chen
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
| | - Qing Zhang
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China.,CAS Key Laboratory of Receptor Research, National Center for Drug Screening, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China.,School of Pharmaceutical Science and Technology, Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences, Hangzhou 310024, China
| | - Yu-Feng Xiao
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China.,University of Chinese Academy of Sciences, Beijing 100049, China
| | - You-Chen Fang
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China.,CAS Key Laboratory of Receptor Research, National Center for Drug Screening, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
| | - Xin Xie
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China.,CAS Key Laboratory of Receptor Research, National Center for Drug Screening, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China.,School of Pharmaceutical Science and Technology, Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences, Hangzhou 310024, China
| | - Fa-Jun Nan
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China.,School of Pharmaceutical Science and Technology, Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences, Hangzhou 310024, China.,Yantai Institute of Materia Medica, Shandong 264000, China
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41
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Zhou Z, Ren Q, Jiao S, Cai Z, Geng X, Deng L, Wang B, Hu L, Zhang L, Yang Y, Li Z. Discovery of new and highly effective quadruple FFA1 and PPARα/γ/δ agonists as potential anti-fatty liver agents. Eur J Med Chem 2022; 229:114061. [PMID: 34954593 DOI: 10.1016/j.ejmech.2021.114061] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2021] [Revised: 12/10/2021] [Accepted: 12/17/2021] [Indexed: 01/12/2023]
Abstract
Non-alcoholic fatty liver disease (NAFLD) has become the most common hepatic disease, while no drug was approved until now. The previous study reported that the quadruple FFA1/PPAR-α/γ/δ agonist RLA8 provided better efficacy than obeticholic acid on NASH. In the present study, two design strategies were introduced to explore better quadruple FFA1/PPAR-α/γ/δ agonists with improved metabolic stability. These efforts ultimately resulted in the identification of ZLY18, a quadruple FFA1/PPAR-α/γ/δ agonist with twice higher metabolic half-life than RLA8 in the liver microsome. In the triton-1339W-induced hyperlipidemic model, ZLY18 reversed hyperlipidemia to an almost normal level, which exhibited far stronger lipid-lowering effects than that of RLA8. Moreover, ZLY18 significantly decreased steatosis, hepatocellular ballooning, inflammation and liver fibrosis in NASH model even better than RLA8. Further mechanism studies suggested that ZLY18 exerts stronger effects than RLA8 on the regulation of the gene related to lipid synthesis, oxidative stress, inflammation and fibrosis. In addition, ZLY18 is more effective than pirfenidone in the prevention of CCl4-induced liver fibrosis. Besides, ZLY18 has an acceptable safety profile in the acute toxicity study at a high dose of 500 mg/kg. Therefore, ZLY18 represents a novel and highly promising quadruple FFA1/PPAR-α/γ/δ agonist worth of further investigation and development.
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Affiliation(s)
- Zongtao Zhou
- School of Pharmacy, Guangdong Pharmaceutical University, Guangzhou, 510006, PR China; Key Specialty of Clinical Pharmacy, The First Affiliated Hospital of Guangdong Pharmaceutical University, Guangzhou, 510006, PR China; Guangzhou Key Laboratory of Construction and Application of New Drug Screening Model Systems, Guangdong Pharmaceutical University, Guangzhou, 510006, PR China
| | - Qiang Ren
- School of Pharmacy, Guangdong Pharmaceutical University, Guangzhou, 510006, PR China; Key Specialty of Clinical Pharmacy, The First Affiliated Hospital of Guangdong Pharmaceutical University, Guangzhou, 510006, PR China; Guangzhou Key Laboratory of Construction and Application of New Drug Screening Model Systems, Guangdong Pharmaceutical University, Guangzhou, 510006, PR China
| | - Shixuan Jiao
- School of Pharmacy, Guangdong Pharmaceutical University, Guangzhou, 510006, PR China
| | - Zongyu Cai
- School of Pharmacy, Guangdong Pharmaceutical University, Guangzhou, 510006, PR China
| | - Xinqian Geng
- Department of Endocrinology, The Affiliated Hospital of Yunnan University and the Second People's Hospital of Yunnan Province, Kunming, Yunnan, 650021, PR China
| | - Liming Deng
- School of Pharmacy, Guangdong Pharmaceutical University, Guangzhou, 510006, PR China
| | - Bin Wang
- School of Pharmacy, Guangdong Pharmaceutical University, Guangzhou, 510006, PR China
| | - Lijun Hu
- School of Pharmacy, Guangdong Pharmaceutical University, Guangzhou, 510006, PR China
| | - Luyong Zhang
- School of Pharmacy, Guangdong Pharmaceutical University, Guangzhou, 510006, PR China; Guangzhou Key Laboratory of Construction and Application of New Drug Screening Model Systems, Guangdong Pharmaceutical University, Guangzhou, 510006, PR China; Jiangsu Key Laboratory of Drug Screening, China Pharmaceutical University, Nanjing, 210009, PR China.
| | - Ying Yang
- Department of Endocrinology, The Affiliated Hospital of Yunnan University and the Second People's Hospital of Yunnan Province, Kunming, Yunnan, 650021, PR China.
| | - Zheng Li
- School of Pharmacy, Guangdong Pharmaceutical University, Guangzhou, 510006, PR China; Key Specialty of Clinical Pharmacy, The First Affiliated Hospital of Guangdong Pharmaceutical University, Guangzhou, 510006, PR China.
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Mitochondrial Pathophysiology on Chronic Kidney Disease. Int J Mol Sci 2022; 23:ijms23031776. [PMID: 35163697 PMCID: PMC8836100 DOI: 10.3390/ijms23031776] [Citation(s) in RCA: 24] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2021] [Revised: 02/01/2022] [Accepted: 02/02/2022] [Indexed: 02/04/2023] Open
Abstract
In healthy kidneys, interstitial fibroblasts are responsible for the maintenance of renal architecture. Progressive interstitial fibrosis is thought to be a common pathway for chronic kidney diseases (CKD). Diabetes is one of the boosters of CKD. There is no effective treatment to improve kidney function in CKD patients. The kidney is a highly demanding organ, rich in redox reactions occurring in mitochondria, making it particularly vulnerable to oxidative stress (OS). A dysregulation in OS leads to an impairment of the Electron transport chain (ETC). Gene deficiencies in the ETC are closely related to the development of kidney disease, providing evidence that mitochondria integrity is a key player in the early detection of CKD. The development of novel CKD therapies is needed since current methods of treatment are ineffective. Antioxidant targeted therapies and metabolic approaches revealed promising results to delay the progression of some markers associated with kidney disease. Herein, we discuss the role and possible origin of fibroblasts and the possible potentiators of CKD. We will focus on the important features of mitochondria in renal cell function and discuss their role in kidney disease progression. We also discuss the potential of antioxidants and pharmacologic agents to delay kidney disease progression.
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Little M, Dutta M, Li H, Matson A, Shi X, Mascarinas G, Molla B, Weigel K, Gu H, Mani S, Cui JY. Understanding the physiological functions of the host xenobiotic-sensing nuclear receptors PXR and CAR on the gut microbiome using genetically modified mice. Acta Pharm Sin B 2022; 12:801-820. [PMID: 35256948 PMCID: PMC8897037 DOI: 10.1016/j.apsb.2021.07.022] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2021] [Revised: 05/29/2021] [Accepted: 07/09/2021] [Indexed: 12/12/2022] Open
Abstract
Pharmacological activation of the xenobiotic-sensing nuclear receptors pregnane X receptor (PXR) and constitutive androstane receptor (CAR) is well-known to increase drug metabolism and reduce inflammation. Little is known regarding their physiological functions on the gut microbiome. In this study, we discovered bivalent hormetic functions of PXR/CAR modulating the richness of the gut microbiome using genetically engineered mice. The absence of PXR or CAR increased microbial richness, and absence of both receptors synergistically increased microbial richness. PXR and CAR deficiency increased the pro-inflammatory bacteria Helicobacteraceae and Helicobacter. Deficiency in both PXR and CAR increased the relative abundance of Lactobacillus, which has bile salt hydrolase activity, corresponding to decreased primary taurine-conjugated bile acids (BAs) in feces, which may lead to higher internal burden of taurine and unconjugated BAs, both of which are linked to inflammation, oxidative stress, and cytotoxicity. The basal effect of PXR/CAR on the gut microbiome was distinct from pharmacological and toxicological activation of these receptors. Common PXR/CAR-targeted bacteria were identified, the majority of which were suppressed by these receptors. hPXR-TG mice had a distinct microbial profile as compared to wild-type mice. This study is the first to unveil the basal functions of PXR and CAR on the gut microbiome.
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Key Words
- BA, bile acid
- BSH, bile salt hydrolase
- Bile acids
- CA, cholic acid
- CAR
- CAR, constitutive androstane receptor
- CDCA, chenodeoxycholic acid
- CITCO, 6-(4-chlorophenyl)imidazo[2,1-b][1,3]thiazole-5-carbaldehyde O-(3,4-dichlorobenzyl)oxime
- CV, conventional
- CYP, cytochrome P450
- DCA, deoxycholic acid
- EGF, epidermal growth factor
- Feces
- GF, germ free
- GLP-1, glucagon-like peptide-1
- GM-CSF, granulocyte-macrophage colony-stimulating factor
- Gut microbiome
- HDCA, hyodeoxycholic acid
- IBD, inflammatory bowel disease
- IFNγ, interferon-gamma
- IL, interleukin
- IS, internal standards
- Inflammation
- LCA, lithocholic acid
- LC–MS/MS, liquid chromatography–tandem mass spectrometry
- MCA, muricholic acid
- MCP-1, monocyte chemoattractant protein-1
- Mice
- NF-κB, nuclear factor kappa-light-chain-enhancer of activated B cells
- NSAID, non-steroidal anti-inflammatory drug
- Nuclear receptor
- OH, hydroxylated
- OTUs, operational taxonomy units
- PA, indole-3 propionic acid
- PBDEs, polybrominated diphenyl ethers
- PCBs, polychlorinated biphenyls
- PCoA, Principle Coordinate Analysis
- PXR
- PXR, pregnane X receptor
- PiCRUSt, Phylogenetic Investigation of Communities by Reconstruction of Observed States
- QIIME, Quantitative Insights Into Microbial Ecology
- SCFAs, short-chain fatty acids
- SNP, single-nucleotide polymorphism
- SPF, specific-pathogen-free
- T, wild type
- T-, taurine conjugated
- TCPOBOP, 1,4-bis-[2-(3,5-dichloropyridyloxy)]benzene, 3,3′,5,5′-Tetrachloro-1,4-bis(pyridyloxy)benzene
- TGR-5, Takeda G-protein-coupled receptor 5
- TLR4, toll-like receptor 4
- TNF, tumor necrosis factor
- UDCA, ursodeoxycholic acid
- YAP, yes-associated protein
- hPXR-TG, humanized PXR transgenic
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Affiliation(s)
- Mallory Little
- Department of Environmental and Occupational Health Sciences, University of Washington, Seattle, WA 98105, USA
| | - Moumita Dutta
- Department of Environmental and Occupational Health Sciences, University of Washington, Seattle, WA 98105, USA
| | - Hao Li
- Department of Medicine, Molecular Pharmacology and Genetics, Albert Einstein College of Medicine, Bronx, NY 10461, USA
| | - Adam Matson
- University of Connecticut, Hartford, CT 06106, USA
| | - Xiaojian Shi
- Arizona Metabolomics Laboratory, College of Health Solutions, Arizona State University, Phoenix, AZ 85004, USA
| | - Gabby Mascarinas
- Department of Environmental and Occupational Health Sciences, University of Washington, Seattle, WA 98105, USA
| | - Bruk Molla
- Department of Environmental and Occupational Health Sciences, University of Washington, Seattle, WA 98105, USA
| | - Kris Weigel
- Department of Environmental and Occupational Health Sciences, University of Washington, Seattle, WA 98105, USA
| | - Haiwei Gu
- Arizona Metabolomics Laboratory, College of Health Solutions, Arizona State University, Phoenix, AZ 85004, USA
| | - Sridhar Mani
- Department of Medicine, Molecular Pharmacology and Genetics, Albert Einstein College of Medicine, Bronx, NY 10461, USA
| | - Julia Yue Cui
- Department of Environmental and Occupational Health Sciences, University of Washington, Seattle, WA 98105, USA
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Yanagihara T, Scallan C, Ask K, Kolb MR. Emerging therapeutic targets for idiopathic pulmonary fibrosis: preclinical progress and therapeutic implications. Expert Opin Ther Targets 2021; 25:939-948. [PMID: 34784834 DOI: 10.1080/14728222.2021.2006186] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
INTRODUCTION Idiopathic pulmonary fibrosis (IPF) is a chronic progressive lung disease with high associated morbidity and mortality. The therapeutic landscape has significantly changed in the last 20 years with two drugs currently approved that have demonstrated the ability to slow disease progression. Despite these developments, survival in IPF is limited, so there is a major interest in therapeutic targets which could serve to open up new therapeutic avenues. AREAS COVERED We review the most recent information regarding drug targets and therapies currently being investigated in preclinical and early-stage clinical trials. EXPERT OPINION The complex pathogenesis of IPF and variability in disease course and response to therapy highlights the importance of a precision approach to therapy. Novel technologies including transcriptomics and the use of serum biomarkers, will become essential tools to guide future drug development and therapeutic decision making particularly as it pertains to combination therapy.
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Affiliation(s)
- Toyoshi Yanagihara
- Research Institute for Diseases of the Chest, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan.,Department of Respiratory Medicine, Hamanomachi Hospital, Fukuoka, Japan
| | - Ciaran Scallan
- Firestone Institute for Respiratory Health, Research Institute at St Joseph's Healthcare, Department of Medicine, McMaster University, Hamilton, ON, Canada
| | - Kjetil Ask
- Firestone Institute for Respiratory Health, Research Institute at St Joseph's Healthcare, Department of Medicine, McMaster University, Hamilton, ON, Canada
| | - Martin Rj Kolb
- Firestone Institute for Respiratory Health, Research Institute at St Joseph's Healthcare, Department of Medicine, McMaster University, Hamilton, ON, Canada
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Jenkins L, Marsango S, Mancini S, Mahmud ZA, Morrison A, McElroy SP, Bennett KA, Barnes M, Tobin AB, Tikhonova IG, Milligan G. Discovery and Characterization of Novel Antagonists of the Proinflammatory Orphan Receptor GPR84. ACS Pharmacol Transl Sci 2021; 4:1598-1613. [PMID: 34661077 PMCID: PMC8506611 DOI: 10.1021/acsptsci.1c00151] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2021] [Indexed: 01/30/2023]
Abstract
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GPR84 is a poorly
characterized, nominally orphan, proinflammatory
G protein-coupled receptor that can be activated by medium chain length
fatty acids. It is attracting considerable interest as a potential
therapeutic target for antagonist ligands in both inflammatory bowel
diseases and idiopathic pulmonary fibrosis. Successful screening of
more than 300 000 compounds from a small molecule library followed
by detailed analysis of some 50 drug-like hits identified 3-((5,6-bis(4-methoxyphenyl)-1,2,4-triazin-3-yl)methyl)-1H-indole as a high affinity and highly selective competitive
antagonist of human GPR84. Tritiation of a di-iodinated form of the
core structure produced [3H]3-((5,6-diphenyl-1,2,4-triazin-3-yl)methyl)-1H-indole, which allowed effective measurement of receptor
levels in both transfected cell lines and lipopolysaccharide-treated
THP-1 monocyte/macrophage cells. Although this compound series lacks
significant affinity at mouse GPR84, homology modeling and molecular
dynamics simulations provided a potential rationale for this difference,
and alteration of two residues in mouse GPR84 to the equivalent amino
acids in the human orthologue, predicted to open the antagonist binding
pocket, validated this model. Sequence alignment of other species
orthologues further predicted binding of the compounds as high affinity
antagonists at macaque, pig, and dog GPR84 but not at the rat orthologue,
and pharmacological experiments confirmed these predictions. These
studies provide a new class of GPR84 antagonists that display species
selectivity defined via receptor modeling and mutagenesis.
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Affiliation(s)
- Laura Jenkins
- The Centre for Translational Pharmacology, Institute of Molecular, Cellular and Systems Biology, College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow G12 8QQ, United Kingdom
| | - Sara Marsango
- The Centre for Translational Pharmacology, Institute of Molecular, Cellular and Systems Biology, College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow G12 8QQ, United Kingdom
| | - Sarah Mancini
- The Centre for Translational Pharmacology, Institute of Molecular, Cellular and Systems Biology, College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow G12 8QQ, United Kingdom
| | - Zobaer Al Mahmud
- The Centre for Translational Pharmacology, Institute of Molecular, Cellular and Systems Biology, College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow G12 8QQ, United Kingdom
| | - Angus Morrison
- BioAscent Discovery Ltd., Bo'Ness Road, Newhouse, Lanarkshire ML1 5UH, United Kingdom
| | - Stuart P McElroy
- BioAscent Discovery Ltd., Bo'Ness Road, Newhouse, Lanarkshire ML1 5UH, United Kingdom
| | - Kirstie A Bennett
- Sosei Heptares, Steinmetz Building, Granta Park, Great Abington, Cambridge CB21 6DG, United Kingdom
| | - Matt Barnes
- Sosei Heptares, Steinmetz Building, Granta Park, Great Abington, Cambridge CB21 6DG, United Kingdom
| | - Andrew B Tobin
- The Centre for Translational Pharmacology, Institute of Molecular, Cellular and Systems Biology, College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow G12 8QQ, United Kingdom
| | - Irina G Tikhonova
- School of Pharmacy, Medical Biology Centre, Queen's University Belfast, Belfast BT9 7BL, United Kingdom
| | - Graeme Milligan
- The Centre for Translational Pharmacology, Institute of Molecular, Cellular and Systems Biology, College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow G12 8QQ, United Kingdom
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Desrivot J, Van Kaem T, Allamassey L, Helmer E. Effect of GLPG1205, a GPR84 Modulator, on CYP2C9, CYP2C19, and CYP1A2 Enzymes: In Vitro and Phase 1 Studies. Clin Pharmacol Drug Dev 2021; 10:1007-1017. [PMID: 33955686 PMCID: PMC8453848 DOI: 10.1002/cpdd.956] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2020] [Accepted: 03/22/2021] [Indexed: 11/21/2022]
Abstract
GLPG1205 is a novel agent being investigated for the treatment of idiopathic pulmonary fibrosis. GLPG1205 may be concomitantly administered with pirfenidone in future clinical development; therefore, the potential for GLPG1205 to interact with enzymes involved in the metabolism of pirfenidone (cytochrome P450 [CYP] 1A2, CYP2C9, 2C19) was evaluated. In vitro experiments indicated weak inhibition of CYP1A2 and moderate but reversible inhibition of CYP2C9 and CYP2C19 by GLPG1205. A phase 1 randomized, double-blind crossover study in 14 healthy males (NCT02623296) evaluated the effect of GLPG1205 100 mg or placebo (once daily for 12 days) on the single-dose pharmacokinetics of a cocktail of CYP1A2, CYP2C9, and CYP2C19 substrates (coadministered on day 13). GLPG1205 had no effect on the exposure of CYP2C9 and CYP1A2 substrates or metabolites; however, a trend toward increased omeprazole (CYP2C19 substrate) exposure was observed. Although considered not clinically relevant, GLPG1205 increased the elimination rate of 5-hydroxyomeprazole (CYP2C19 metabolite) 1.16-fold versus placebo. GLPG1205 had no effect on the elimination of all other substrates or metabolites. GLPG1205 had a favorable safety and tolerability profile. In conclusion, GLPG1205 100 mg once daily does not interact with CYP2C9, CYP2C19, or CYP1A2 to a clinically relevant extent and may be administered concomitantly with drugs metabolized by these enzymes.
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Transcriptomics-Based Phenotypic Screening Supports Drug Discovery in Human Glioblastoma Cells. Cancers (Basel) 2021; 13:cancers13153780. [PMID: 34359681 PMCID: PMC8345128 DOI: 10.3390/cancers13153780] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2021] [Revised: 07/16/2021] [Accepted: 07/20/2021] [Indexed: 12/11/2022] Open
Abstract
Simple Summary Glioblastoma (GBM) remains a particularly challenging cancer, with an aggressive phenotype and few promising treatment options. Future therapy will rely heavily on diagnosing and targeting aggressive GBM cellular phenotypes, both before and after drug treatment, as part of personalized therapy programs. Here, we use a genome-wide drug-induced gene expression (DIGEX) approach to define the cellular drug response phenotypes associated with two clinical drug candidates, the phosphodiesterase 10A inhibitor Mardepodect and the multi-kinase inhibitor Regorafenib. We identify genes encoding specific drug targets, some of which we validate as effective antiproliferative agents and combination therapies in human GBM cell models, including HMGCoA reductase (HMGCR), salt-inducible kinase 1 (SIK1), bradykinin receptor subtype B2 (BDKRB2), and Janus kinase isoform 2 (JAK2). Individual, personalized treatments will be essential if we are to address and overcome the pharmacological plasticity that GBM exhibits, and DIGEX will play a central role in validating future drugs, diagnostics, and possibly vaccine candidates for this challenging cancer. Abstract We have used three established human glioblastoma (GBM) cell lines—U87MG, A172, and T98G—as cellular systems to examine the plasticity of the drug-induced GBM cell phenotype, focusing on two clinical drugs, the phosphodiesterase PDE10A inhibitor Mardepodect and the multi-kinase inhibitor Regorafenib, using genome-wide drug-induced gene expression (DIGEX) to examine the drug response. Both drugs upregulate genes encoding specific growth factors, transcription factors, cellular signaling molecules, and cell surface proteins, while downregulating a broad range of targetable cell cycle and apoptosis-associated genes. A few upregulated genes encode therapeutic targets already addressed by FDA approved drugs, but the majority encode targets for which there are no approved drugs. Amongst the latter, we identify many novel druggable targets that could qualify for chemistry-led drug discovery campaigns. We also observe several highly upregulated transmembrane proteins suitable for combined drug, immunotherapy, and RNA vaccine approaches. DIGEX is a powerful way of visualizing the complex drug response networks emerging during GBM drug treatment, defining a phenotypic landscape which offers many new diagnostic and therapeutic opportunities. Nevertheless, the extreme heterogeneity we observe within drug-treated cells using this technique suggests that effective pan-GBM drug treatment will remain a significant challenge for many years to come.
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Suri GS, Kaur G, Jha CK, Tiwari M. Understanding idiopathic pulmonary fibrosis - Clinical features, molecular mechanism and therapies. Exp Gerontol 2021; 153:111473. [PMID: 34274426 DOI: 10.1016/j.exger.2021.111473] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2021] [Revised: 07/07/2021] [Accepted: 07/08/2021] [Indexed: 10/20/2022]
Abstract
Idiopathic pulmonary fibrosis (IPF) is a chronic lung fibrosing disease with high prevalence that has a prognosis worse than many cancers. There has been a recent influx of new observations aimed at explaining the mechanisms responsible for the initiation and progression of pulmonary fibrosis. However, despite this, the pathogenesis of the disease is largely unclear. Recent progress has been made in the characterization of specific pathologic and clinical features that have enhanced the understanding of pathologically activated molecular pathways during the onset and progression of IPF. This review highlights several of the advances that have been made and focus on the pathobiology of IPF. The work also details the different factors that are responsible for the disposition of the disease - these may be internal factors such as cellular mechanisms and genetic alterations, or they may be external factors from the environment. The changes that primarily occur in epithelial cells and fibroblasts that lead to the activation of profibrotic pathways are discussed in depth. Finally, a complete repertoire of the treatment therapies that have been used in the past as well as future medications and therapies is provided.
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Norouzi-Barough L, Bayat A. Validation strategies for identifying drug targets in dermal fibrotic disorders. Drug Discov Today 2021; 26:2474-2485. [PMID: 34229083 DOI: 10.1016/j.drudis.2021.06.014] [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: 11/23/2020] [Revised: 05/19/2021] [Accepted: 06/29/2021] [Indexed: 11/16/2022]
Abstract
Fibrotic skin disorders, such as keloid disease (KD), are common clinically challenging disorders with unknown etiopathogenesis and ill-defined treatment strategies that affect millions of people worldwide. Thus, there is an urgent need to discover novel therapeutics. The validation of potential drug targets is an obligatory step in discovering and developing new therapeutic agents for the successful treatment of dermal fibrotic conditions, such as KD. The integration of multi-omics data with traditional and modern technological approaches, such as RNA interference (RNAi) and genome-editing tools, would provide unique opportunities to identify and validate novel targets in KD during early drug development. Thus, in this review, we summarize the current and emerging drug discovery process with a focus on validation strategies of potential drug targets identified in dermal fibrosis.
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Affiliation(s)
- Leyla Norouzi-Barough
- Department of Genetics and Molecular Biology, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Ardeshir Bayat
- Centre for Dermatology Research, NIHR Manchester Biomedical Research Centre, Stopford Building, University of Manchester, Oxford Road, Manchester M13 9PT, UK; Medical Research Council-Wound Healing Unit, Division of Dermatology, University of Cape Town, Cape Town, South Africa.
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Kai Y, Yoneyama H, Yoshikawa M, Kimura H, Muro S. Chondroitin sulfate in tissue remodeling: Therapeutic implications for pulmonary fibrosis. Respir Investig 2021; 59:576-588. [PMID: 34176780 DOI: 10.1016/j.resinv.2021.05.012] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2020] [Revised: 05/14/2021] [Accepted: 05/21/2021] [Indexed: 10/21/2022]
Abstract
Fibrosis is characterized by the deposition of extracellular matrix (ECM) proteins, while idiopathic pulmonary fibrosis (IPF) is a chronic respiratory disease characterized by dysregulated tissue repair and remodeling. Anti-inflammatory drugs, such as corticosteroids and immunosuppressants, and antifibrotic drugs, like pirfenidone and nintedanib, are used in IPF therapy. However, their limited effects suggest that single mediators are inadequate to control IPF. Therefore, therapies targeting the multifactorial cascades that regulate tissue remodeling in fibrosis could provide alternate solutions. ECM molecules have been shown to modulate various biological functions beyond tissue structure support and thus, could be developed into novel therapeutic targets for modulating tissue remodeling. Among ECM molecules, glycosaminoglycans (GAG) are linear polysaccharides consisting of repeated disaccharides, which regulate cell-matrix interactions. Chondroitin sulfate (CS), one of the major GAGs, binds to multifactorial mediators in the ECM and reportedly participates in tissue remodeling in various diseases; however, to date, its biological functions have drawn considerably less attention than other GAGs, like heparan sulfate. In the present review, we discuss the involvement and regulation of CS in tissue remodeling and pulmonary fibrotic diseases, its role in pulmonary fibrosis, and the therapeutic approaches targeting CS.
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Affiliation(s)
- Yoshiro Kai
- Department of Respiratory Medicine, Nara Medical University, 840 Shijo-cho, Kashihara-city, Nara, 634-8522, Japan; Department of Respiratory Medicine, Minami-Nara General Medical Center, 8-1 Fukugami, Oyodo-cho, Yoshino-gun, Nara, 638-8551, Japan.
| | - Hiroyuki Yoneyama
- TME Therapeutics Inc., 2-16-1 Higashi-shinbashi, Minato-ku, Tokyo, 105-0021, Japan.
| | - Masanori Yoshikawa
- Department of Respiratory Medicine, Nara Medical University, 840 Shijo-cho, Kashihara-city, Nara, 634-8522, Japan.
| | - Hiroshi Kimura
- Respiratory Disease Center, Fukujuji Hospital, Japan Anti-Tuberculosis Association, 3-1-24 Matsuyama, Kiyose-city, Tokyo, 204-8522, Japan.
| | - Shigeo Muro
- Department of Respiratory Medicine, Nara Medical University, 840 Shijo-cho, Kashihara-city, Nara, 634-8522, Japan.
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