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Volkmann ER, Denton CP, Kolb M, Wijsenbeek-Lourens MS, Emson C, Hudson K, Amatucci AJ, Distler O, Allanore Y, Khanna D. Lysophosphatidic acid receptor 1 inhibition: a potential treatment target for pulmonary fibrosis. Eur Respir Rev 2024; 33:240015. [PMID: 39009409 DOI: 10.1183/16000617.0015-2024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2024] [Accepted: 04/01/2024] [Indexed: 07/17/2024] Open
Abstract
Lysophosphatidic acid (LPA)-mediated activation of LPA receptor 1 (LPAR1) contributes to the pathophysiology of fibrotic diseases such as idiopathic pulmonary fibrosis (IPF) and systemic sclerosis (SSc). These diseases are associated with high morbidity and mortality despite current treatment options. The LPA-producing enzyme autotaxin (ATX) and LPAR1 activation contribute to inflammation and mechanisms underlying fibrosis in preclinical fibrotic models. Additionally, elevated levels of LPA have been detected in bronchoalveolar lavage fluid from patients with IPF and in serum from patients with SSc. Thus, ATX and LPAR1 have gained considerable interest as pharmaceutical targets to combat fibrotic disease and inhibitors of these targets have been investigated in clinical trials for IPF and SSc. The goals of this review are to summarise the current literature on ATX and LPAR1 signalling in pulmonary fibrosis and to help differentiate the novel inhibitors in development. The mechanisms of action of ATX and LPAR1 inhibitors are described and preclinical studies and clinical trials of these agents are outlined. Because of their contribution to numerous physiologic events underlying fibrotic disease, ATX and LPAR1 inhibition presents a promising therapeutic strategy for IPF, SSc and other fibrotic diseases that may fulfil unmet needs of the current standard of care.
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Affiliation(s)
- Elizabeth R Volkmann
- Department of Medicine, University of California Los Angeles, Los Angeles, CA, USA
| | | | - Martin Kolb
- Department of Medicine, McMaster University, Hamilton, ON, Canada
| | | | - Claire Emson
- Translational Medicine, Horizon Therapeutics (now Amgen, Inc.), Rockville, MD, USA
| | - Krischan Hudson
- Clinical Development, Horizon Therapeutics (now Amgen, Inc.), Deerfield, IL, USA
| | - Anthony J Amatucci
- Global Medical Affairs, Horizon Therapeutics (now Amgen, Inc), Deerfield, IL, USA
| | - Oliver Distler
- Department of Rheumatology, University Hospital Zurich, University of Zurich, Zurich, Switzerland
| | - Yannick Allanore
- Rheumatology Department, Cochin Hospital APHP, INSERM U1016, Université Paris Cité, Paris, France
| | - Dinesh Khanna
- Department of Internal Medicine, University of Michigan, Ann Arbor, MI, USA
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2
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Ray M, Sayeed A, Ganshert M, Saha A. Direct Binding Methods to Measure Receptor-Ligand Interactions. J Phys Chem B 2024; 128:3-19. [PMID: 38134048 DOI: 10.1021/acs.jpcb.3c05041] [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: 12/24/2023]
Abstract
G-protein-coupled receptors (GPCRs) contribute to numerous physiological processes via complex network mechanisms. While indirect signaling assays (Ca2+ mobilization, cAMP production, and GTPγS binding) have been useful in identifying and characterizing downstream signaling mechanisms of GPCRs, these methods lack measurements of direct binding affinities, kinetics, binding specificity, and selectivity that are important parameters in GPCR drug discovery. In comparison to existing direct methods that use radio- or fluorescent labels, label-free techniques can closely emulate the native interactions around binding partners. Surface plasmon resonance (SPR) is a label-free technique that utilizes the refractive index (RI) property and is applied widely in quantitative GPCR-ligand binding kinetics measurement including small molecules screening. However, purified GPCRs are further embedded in a synthetic lipid environment which is immobilized through different tags to the SPR sensor surface, resulting in a non-native environment. Here, we introduced a methodology that also uses the RI property to measure binding interactions in a label-free, immobilization-free arrangement. The free-solution technique is successfully applied in quantifying the interaction of bioactive lipids to cognate lipid GPCRs, which is not purified but rather present in near-native conditions, i.e., in milieu of other cytoplasmic lipids and proteins. To further consider the wide applicability of these free-solution approaches in biomolecular interaction research, additional applications on a variety of receptor-ligand pairs are imperative.
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Affiliation(s)
- Manisha Ray
- Department of Chemistry and Biochemistry, Loyola University Chicago, 1068 W. Sheridan Road, Chicago, Illinois 60660, United States
| | - Aryana Sayeed
- Department of Chemistry and Biochemistry, Loyola University Chicago, 1068 W. Sheridan Road, Chicago, Illinois 60660, United States
| | - Madeline Ganshert
- Department of Chemistry and Biochemistry, Loyola University Chicago, 1068 W. Sheridan Road, Chicago, Illinois 60660, United States
| | - Arjun Saha
- Department of Chemistry and Biochemistry, University of Wisconsin, Milwaukee Chemistry Bldg, 144, 3210 N Cramer Street, Milwaukee, Wisconsin 53211, United States
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Gu Z, Yan Y, Yao H, Lin K, Li X. Targeting the LPA1 signalling pathway for fibrosis therapy: a patent review (2010-present). Expert Opin Ther Pat 2022; 32:1097-1122. [PMID: 36175357 DOI: 10.1080/13543776.2022.2130753] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
INTRODUCTION Fibrosis is a disease that damages organs and even causes death. Because of the complicated pathogenesis, the development of drugs for fibrosis is challenging. In the lysophosphatidic acid receptor type 1 (LPA1) signalling pathway, LPA1 and its downstream Rho-associated coiled-coil forming protein kinase (ROCK) are related to the process of fibrosis. Targeting LPA1 signalling pathway is a potential strategy for the treatment of fibrosis. AREA COVERED This review describes the process of fibrosis mediated by the LPA1 signalling pathway and then summarizes LPA1 antagonist patents reported since 2010 and ROCK inhibitor patents since 2017 according to their scaffolds based on the Cortellis Drug Discovery Intelligence database. Information on LPA1 antagonists entering clinical trials is integrated. EXPERT OPINION Over the past decade, a large number of antagonists targeting the LPA1 signalling pathway have been patented for fibrosis therapy. A limited number of compounds have entered clinical trials. Different companies and research groups have used different scaffolds when designing compounds for fibrosis therapy. Therefore, LPA1 and ROCK are competitive targets for the development of new therapies for fibrosis to provide a potential treatment method for fibrosis in the future.
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Affiliation(s)
- Zhihao Gu
- Department of Medicinal Chemistry, School of Pharmacy, China Pharmaceutical University, Nanjing, China
| | - Yong Yan
- Department of Medicinal Chemistry, School of Pharmacy, China Pharmaceutical University, Nanjing, China
| | - Hequan Yao
- Department of Medicinal Chemistry, School of Pharmacy, China Pharmaceutical University, Nanjing, China
| | - Kejiang Lin
- Department of Medicinal Chemistry, School of Pharmacy, China Pharmaceutical University, Nanjing, China
| | - Xuanyi Li
- Department of Medicinal Chemistry, School of Pharmacy, China Pharmaceutical University, Nanjing, China
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Liu W, Hopkins AM, Hou J. The development of modulators for lysophosphatidic acid receptors: A comprehensive review. Bioorg Chem 2021; 117:105386. [PMID: 34695732 DOI: 10.1016/j.bioorg.2021.105386] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2021] [Revised: 09/03/2021] [Accepted: 09/25/2021] [Indexed: 12/23/2022]
Abstract
Lysophosphatidic acids (LPAs) are bioactive phospholipids implicated in a wide range of cellular activities that regulate a diverse array of biological functions. They recognize two types of G protein-coupled receptors (LPARs): LPA1-3 receptors and LPA4-6 receptors that belong to the endothelial gene (EDG) family and non-endothelial gene family, respectively. In recent years, the LPA signaling pathway has captured an increasing amount of attention because of its involvement in various diseases, such as idiopathic pulmonary fibrosis, cancers, cardiovascular diseases and neuropathic pain, making it a promising target for drug development. While no drugs targeting LPARs have been approved by the FDA thus far, at least three antagonists have entered phase Ⅱ clinical trials for idiopathic pulmonary fibrosis (BMS-986020 and BMS-986278) and systemic sclerosis (SAR100842), and one radioligand (BMT-136088/18F-BMS-986327) has entered phase Ⅰ clinical trials for positron emission tomography (PET) imaging of idiopathic pulmonary fibrosis. This article provides an extensive review on the current status of ligand development targeting LPA receptors to modulate LPA signaling and their therapeutic potential in various diseases.
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Affiliation(s)
- Wenjie Liu
- Department of Chemistry, Lakehead University and Thunder Bay Regional Health Research Institute, 980 Oliver Road, Thunder Bay, ON P7B 6V4, Canada
| | - Austin M Hopkins
- Department of Chemistry, Lakehead University and Thunder Bay Regional Health Research Institute, 980 Oliver Road, Thunder Bay, ON P7B 6V4, Canada
| | - Jinqiang Hou
- Department of Chemistry, Lakehead University and Thunder Bay Regional Health Research Institute, 980 Oliver Road, Thunder Bay, ON P7B 6V4, Canada.
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Kim Y, Zharkinbekov Z, Sarsenova M, Yeltay G, Saparov A. Recent Advances in Gene Therapy for Cardiac Tissue Regeneration. Int J Mol Sci 2021; 22:9206. [PMID: 34502115 PMCID: PMC8431496 DOI: 10.3390/ijms22179206] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2021] [Revised: 08/16/2021] [Accepted: 08/16/2021] [Indexed: 12/12/2022] Open
Abstract
Cardiovascular diseases (CVDs) are responsible for enormous socio-economic impact and the highest mortality globally. The standard of care for CVDs, which includes medications and surgical interventions, in most cases, can delay but not prevent the progression of disease. Gene therapy has been considered as a potential therapy to improve the outcomes of CVDs as it targets the molecular mechanisms implicated in heart failure. Cardiac reprogramming, therapeutic angiogenesis using growth factors, antioxidant, and anti-apoptotic therapies are the modalities of cardiac gene therapy that have led to promising results in preclinical studies. Despite the benefits observed in animal studies, the attempts to translate them to humans have been inconsistent so far. Low concentration of the gene product at the target site, incomplete understanding of the molecular pathways of the disease, selected gene delivery method, difference between animal models and humans among others are probable causes of the inconsistent results in clinics. In this review, we discuss the most recent applications of the aforementioned gene therapy strategies to improve cardiac tissue regeneration in preclinical and clinical studies as well as the challenges associated with them. In addition, we consider ongoing gene therapy clinical trials focused on cardiac regeneration in CVDs.
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Affiliation(s)
| | | | | | | | - Arman Saparov
- Department of Medicine, School of Medicine, Nazarbayev University, Nur-Sultan 010000, Kazakhstan; (Y.K.); (Z.Z.); (M.S.); (G.Y.)
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Meduri B, Pujar GV, Durai Ananda Kumar T, Akshatha HS, Sethu AK, Singh M, Kanagarla A, Mathew B. Lysophosphatidic acid (LPA) receptor modulators: Structural features and recent development. Eur J Med Chem 2021; 222:113574. [PMID: 34126459 DOI: 10.1016/j.ejmech.2021.113574] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2021] [Revised: 05/19/2021] [Accepted: 05/20/2021] [Indexed: 02/08/2023]
Abstract
Lysophosphatidic acid (LPA) activates six LPA receptors (LPAR1-6) and regulates various cellular activities such as cell proliferation, cytoprotection, and wound healing. Many studies elucidated the pathological outcomes of LPA are due to the alteration in signaling pathways, which include migration and invasion of cancer cells, fibrosis, atherosclerosis, and inflammation. Current pathophysiological research on LPA and its receptors provides a means that LPA receptors are new therapeutic targets for disorders associated with LPA. Various chemical modulators are developed and are under investigation to treat a wide range of pathological complications. This review summarizes the physiological and pathological roles of LPA signaling, development of various LPA modulators, their structural features, patents, and their clinical outcomes.
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Affiliation(s)
- Bhagyalalitha Meduri
- Department of Pharmaceutical Chemistry, JSS College of Pharmacy, JSS Academy of Higher Education and Research, Sri Shivarathreeshwara Nagara, Mysuru, 570015 India
| | - Gurubasavaraj Veeranna Pujar
- Department of Pharmaceutical Chemistry, JSS College of Pharmacy, JSS Academy of Higher Education and Research, Sri Shivarathreeshwara Nagara, Mysuru, 570015 India.
| | - T Durai Ananda Kumar
- Department of Pharmaceutical Chemistry, JSS College of Pharmacy, JSS Academy of Higher Education and Research, Sri Shivarathreeshwara Nagara, Mysuru, 570015 India
| | - H S Akshatha
- Department of Pharmaceutical Chemistry, JSS College of Pharmacy, JSS Academy of Higher Education and Research, Sri Shivarathreeshwara Nagara, Mysuru, 570015 India
| | - Arun Kumar Sethu
- Department of Pharmaceutical Chemistry, JSS College of Pharmacy, JSS Academy of Higher Education and Research, Sri Shivarathreeshwara Nagara, Mysuru, 570015 India
| | - Manisha Singh
- Department of Pharmaceutical Chemistry, JSS College of Pharmacy, JSS Academy of Higher Education and Research, Sri Shivarathreeshwara Nagara, Mysuru, 570015 India
| | - Abhinav Kanagarla
- Department of Pharmaceutical Chemistry, Andhra University, Visakhapatnam, Andhra Pradesh, 530003, India
| | - Bijo Mathew
- Department of Pharmaceutical Chemistry, Amrita School of Pharmacy, Amrita Vishwa Vidyapeetham, Kochi, India
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Ray M, Nagai K, Kihara Y, Kussrow A, Kammer MN, Frantz A, Bornhop DJ, Chun J. Unlabeled lysophosphatidic acid receptor binding in free solution as determined by a compensated interferometric reader. J Lipid Res 2020; 61:1244-1251. [PMID: 32513900 PMCID: PMC7397748 DOI: 10.1194/jlr.d120000880] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2020] [Revised: 06/01/2020] [Indexed: 12/11/2022] Open
Abstract
Native interactions between lysophospholipids (LPs) and their cognate LP receptors are difficult to measure because of lipophilicity and/or the adhesive properties of lipids, which contribute to high levels of nonspecific binding in cell membrane preparations. Here, we report development of a free-solution assay (FSA) where label-free LPs bind to their cognate G protein-coupled receptors (GPCRs), combined with a recently reported compensated interferometric reader (CIR) to quantify native binding interactions between receptors and ligands. As a test case, the binding parameters between lysophosphatidic acid (LPA) receptor 1 (LPA1; one of six cognate LPA GPCRs) and LPA were determined. FSA-CIR detected specific binding through the simultaneous real-time comparison of bound versus unbound species by measuring the change in the solution dipole moment produced by binding-induced conformational and/or hydration changes. FSA-CIR identified KD values for chemically distinct LPA species binding to human LPA1 and required only a few nanograms of protein: 1-oleoyl (18:1; KD = 2.08 ± 1.32 nM), 1-linoleoyl (18:2; KD = 2.83 ± 1.64 nM), 1-arachidonoyl (20:4; KD = 2.59 ± 0.481 nM), and 1-palmitoyl (16:0; KD = 1.69 ± 0.1 nM) LPA. These KD values compared favorably to those obtained using the previous generation back-scattering interferometry system, a chip-based technique with low-throughput and temperature sensitivity. In conclusion, FSA-CIR offers a new increased-throughput approach to assess quantitatively label-free lipid ligand-receptor binding, including nonactivating antagonist binding, under near-native conditions.
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Affiliation(s)
- Manisha Ray
- Degenerative Disease Program, Sanford Burnham Prebys Medical Discovery Institute, La Jolla, CA 92037
| | - Kazufumi Nagai
- Degenerative Disease Program, Sanford Burnham Prebys Medical Discovery Institute, La Jolla, CA 92037
| | - Yasuyuki Kihara
- Degenerative Disease Program, Sanford Burnham Prebys Medical Discovery Institute, La Jolla, CA 92037
| | - Amanda Kussrow
- Department of Chemistry and Vanderbilt Institute for Chemical Biology, Vanderbilt University, Nashville, TN 37235
| | - Michael N Kammer
- Department of Chemistry and Vanderbilt Institute for Chemical Biology, Vanderbilt University, Nashville, TN 37235
| | - Aaron Frantz
- Degenerative Disease Program, Sanford Burnham Prebys Medical Discovery Institute, La Jolla, CA 92037.,Biomedical Sciences Graduate Program, University of California San Diego, La Jolla, CA 92037
| | - Darryl J Bornhop
- Department of Chemistry and Vanderbilt Institute for Chemical Biology, Vanderbilt University, Nashville, TN 37235
| | - Jerold Chun
- Degenerative Disease Program, Sanford Burnham Prebys Medical Discovery Institute, La Jolla, CA 92037
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8
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Zhou Y, Little PJ, Ta HT, Xu S, Kamato D. Lysophosphatidic acid and its receptors: pharmacology and therapeutic potential in atherosclerosis and vascular disease. Pharmacol Ther 2019; 204:107404. [DOI: 10.1016/j.pharmthera.2019.107404] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2019] [Accepted: 08/21/2019] [Indexed: 02/06/2023]
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Mizuno H, Kihara Y, Kussrow A, Chen A, Ray M, Rivera R, Bornhop DJ, Chun J. Lysophospholipid G protein-coupled receptor binding parameters as determined by backscattering interferometry. J Lipid Res 2019; 60:212-217. [PMID: 30463988 PMCID: PMC6314248 DOI: 10.1194/jlr.d089938] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2018] [Revised: 11/13/2018] [Indexed: 12/23/2022] Open
Abstract
Lysophosphatidic acid (LPA) activates cognate G protein-coupled receptors (GPCRs) to initiate biological signaling cascades. Lysophospholipid (LP) receptor binding properties remain incompletely assessed because of difficulties with ligand lipophilicity and lipid "stickiness." These inherent attributes produce high levels of nonspecific binding within cell-membrane preparations used to assess GPCRs, as has been shown in classical binding assays using radiolabeled ligands, making accurate measurements of lipid binding kinetics difficult to achieve. Backscattering interferometry (BSI) is an optical technology that measures molecular binding interactions by reporting changes in the refractive index of a solution after binding events. Here, we report the use of BSI to assess LPA1 for its ability to bind to naturally occurring lipids and a synthetic LPA1 antagonist (ONO-9780307), under both primary- and competition-binding conditions. Assessment of 12 different lipids demonstrated that the known LP ligand, 1-oleoyl-LPA, as well as an endocannabinoid metabolite, anandamide phosphate, are specific ligands for LPA1, whereas other LPs tested were not. Newly determined dissociation constants (Kd values) for orthosteric lipid ligands approximated 10-9 M, substantially lower (i.e., with higher affinity) than measured Kd values in classical binding or cell-based assays. These results demonstrate that BSI may have particular utility in assessing binding interactions between lipid receptors and their lipid ligands and could provide new screening approaches for lipid receptor identification and drug discovery.
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Affiliation(s)
- Hirotaka Mizuno
- Sanford Burnham Prebys Medical Discovery Institute, La Jolla, CA 92037
- Discovery Technology Research Laboratories, Ono Pharmaceutical Co., Ltd., Osaka 618-8585, Japan
| | - Yasuyuki Kihara
- Sanford Burnham Prebys Medical Discovery Institute, La Jolla, CA 92037
| | - Amanda Kussrow
- Department of Chemistry Vanderbilt University, Nashville, TN 37235
- Vanderbilt Institute for Chemical Biology, Vanderbilt University, Nashville, TN 37235
| | - Allison Chen
- Sanford Burnham Prebys Medical Discovery Institute, La Jolla, CA 92037
| | - Manisha Ray
- Sanford Burnham Prebys Medical Discovery Institute, La Jolla, CA 92037
| | - Richard Rivera
- Sanford Burnham Prebys Medical Discovery Institute, La Jolla, CA 92037
| | - Darryl J Bornhop
- Department of Chemistry Vanderbilt University, Nashville, TN 37235
- Vanderbilt Institute for Chemical Biology, Vanderbilt University, Nashville, TN 37235
| | - Jerold Chun
- Sanford Burnham Prebys Medical Discovery Institute, La Jolla, CA 92037
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