1
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Hermans L, O’Sullivan TE. Send it, receive it, quick erase it: A mouse model to decipher chemokine communication. J Exp Med 2024; 221:e20240582. [PMID: 38713202 PMCID: PMC11076807 DOI: 10.1084/jem.20240582] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/08/2024] Open
Abstract
A method to precisely determine which cells respond to chemokines in vivo is currently lacking. A novel class of dual fluorescence reporter mice could help identify cells that produce and/or sense a given chemokine in vitro and in vivo (Rodrigo et al. 2024. J. Exp. Med.https://doi.org/10.1084/jem.20231814).
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Affiliation(s)
- Leen Hermans
- Department of Microbiology, Immunology, and Molecular Genetics, David Geffen School of Medicine at University of California, Los Angeles, Los Angeles, CA, USA
| | - Timothy E. O’Sullivan
- Department of Microbiology, Immunology, and Molecular Genetics, David Geffen School of Medicine at University of California, Los Angeles, Los Angeles, CA, USA
- Molecular Biology Institute, University of California, Los Angeles, Los Angeles, CA, USA
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2
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Urvas L, Chiesa L, Bret G, Jacquemard C, Kellenberger E. Benchmarking AlphaFold-Generated Structures of Chemokine-Chemokine Receptor Complexes. J Chem Inf Model 2024; 64:4587-4600. [PMID: 38809680 DOI: 10.1021/acs.jcim.3c01835] [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: 05/31/2024]
Abstract
AlphaFold and AlphaFold-Multimer have become two essential tools for the modeling of unknown structures of proteins and protein complexes. In this work, we extensively benchmarked the quality of chemokine-chemokine receptor structures generated by AlphaFold-Multimer against experimentally determined structures. Our analysis considered both the global quality of the model, as well as key structural features for chemokine recognition. To study the effects of template and multiple sequence alignment parameters on the results, a new prediction pipeline called LIT-AlphaFold (https://github.com/LIT-CCM-lab/LIT-AlphaFold) was developed, allowing extensive input customization. AlphaFold-Multimer correctly predicted differences in chemokine binding orientation and accurately reproduced the unique binding orientation of the CXCL12-ACKR3 complex. Further, the predictions of the full receptor N-terminus provided insights into a putative chemokine recognition site 0.5. The accuracy of chemokine N-terminus binding mode prediction varied between complexes, but the confidence score permitted the distinguishing of residues that were very likely well positioned. Finally, we generated a high-confidence model of the unsolved CXCL12-CXCR4 complex, which agreed with experimental mutagenesis and cross-linking data.
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Affiliation(s)
- Lauri Urvas
- Laboratoire d'Innovation Thérapeutique, UMR 7200 CNRS, Université de Strasbourg, 67400 Illkirch, France
| | - Luca Chiesa
- Laboratoire d'Innovation Thérapeutique, UMR 7200 CNRS, Université de Strasbourg, 67400 Illkirch, France
| | - Guillaume Bret
- Laboratoire d'Innovation Thérapeutique, UMR 7200 CNRS, Université de Strasbourg, 67400 Illkirch, France
| | - Célien Jacquemard
- Laboratoire d'Innovation Thérapeutique, UMR 7200 CNRS, Université de Strasbourg, 67400 Illkirch, France
| | - Esther Kellenberger
- Laboratoire d'Innovation Thérapeutique, UMR 7200 CNRS, Université de Strasbourg, 67400 Illkirch, France
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3
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Kayastha K, Zhou Y, Brünle S. Structural perspectives on chemokine receptors. Biochem Soc Trans 2024:BST20230358. [PMID: 38856028 DOI: 10.1042/bst20230358] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2024] [Revised: 05/02/2024] [Accepted: 05/07/2024] [Indexed: 06/11/2024]
Abstract
Chemokine receptors are integral to the immune system and prime targets in drug discovery that have undergone extensive structural elucidation in recent years. We outline a timeline of these structural achievements, discuss the intracellular negative allosteric modulation of chemokine receptors, analyze the mechanisms of orthosteric receptor activation, and report on the emerging concept of biased signaling. Additionally, we highlight differences of G-protein binding among chemokine receptors. Intracellular allosteric modulators in chemokine receptors interact with a conserved motif within transmembrane helix 7 and helix 8 and exhibit a two-fold inactivation mechanism that can be harnessed for drug-discovery efforts. Chemokine recognition is a multi-step process traditionally explained by a two-site model within chemokine recognition site 1 (CRS1) and CRS2. Recent structural studies have extended our understanding of this complex mechanism with the identification of CRS1.5 and CRS3. CRS3 is implicated in determining ligand specificity and surrounds the chemokine by almost 180°. Within CRS3 we identified the extracellular loop 2 residue 45.51 as a key interaction mediator for chemokine binding. Y2917.43 on the other hand was shown in CCR1 to be a key determinant of signaling bias which, along with specific chemokine-dependent phosphorylation ensembles at the G-protein coupled receptors (GPCR's) C-terminus, seems to play a pivotal role in determining the direction of signal bias in GPCRs.
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Affiliation(s)
- Kanwal Kayastha
- Leiden Institute of Chemistry, Faculty of Science, Leiden University, Einsteinweg 55, Leiden 2333 CC, The Netherlands
| | - Yangli Zhou
- Leiden Institute of Chemistry, Faculty of Science, Leiden University, Einsteinweg 55, Leiden 2333 CC, The Netherlands
| | - Steffen Brünle
- Leiden Institute of Chemistry, Faculty of Science, Leiden University, Einsteinweg 55, Leiden 2333 CC, The Netherlands
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4
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Li Y, Guo S, Wu X, Wan J, Guan Y, Luo C, Chen Q, Jiang H, Lin H, Qian H, Shi W, Fan W. Novel CCR3-targeted cyclic peptides as potential therapeutic agents for age-related macular degeneration via inhibiting angiogenesis and reducing retinal photoreceptor damage. Bioorg Chem 2024; 147:107405. [PMID: 38696843 DOI: 10.1016/j.bioorg.2024.107405] [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: 12/27/2023] [Revised: 04/01/2024] [Accepted: 04/25/2024] [Indexed: 05/04/2024]
Abstract
The prolonged intravitreal administration of anti-vascular endothelial growth factor (VEGF) drugs is prone to inducing aberrant retinal vascular development and causing damage to retinal neurons. Hence, we have taken an alternative approach by designing and synthesizing a series of cyclic peptides targeting CC motif chemokine receptor 3 (CCR3). Based on the binding mode of the N-terminal region in CCR3 protein to CCL11, we used computer-aided identification of key amino acid sequence, conformational restriction through different cyclization methods, designed and synthesized a series of target cyclic peptides, and screened the preferred compound IB-2 through affinity. IB-2 exhibits excellent anti-angiogenic activity in HRECs. The apoptosis level of 661W cells demonstrated a significant decrease with the escalating concentration of IB-2. This suggests that IB-2 may have a protective effect on photoreceptor cells. In vivo experiments have shown that IB-2 significantly reduces retinal vascular leakage and choroidal neovascularization (CNV) area in a laser-induced mouse model of CNV. These findings indicate the potential of IB-2 as a safe and effective therapeutic agent for AMD, warranting further development.
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Affiliation(s)
- Yuanyuan Li
- Center of Drug Discovery, State Key Laboratory of Natural Medicines, China Pharmaceutical University, 24 Tongjiaxiang, Nanjing 210009, China
| | - Shu'ai Guo
- Center of Drug Discovery, State Key Laboratory of Natural Medicines, China Pharmaceutical University, 24 Tongjiaxiang, Nanjing 210009, China
| | - Xinjing Wu
- Department of Ophthalmology, The First Affiliated Hospital of Nanjing Medical University, Nanjing 210029, China; Department of Ophthalmology, Children's Hospital of Nanjing Medical University, 72 Guangzhou Road, Nanjing 210093, China
| | - Jiale Wan
- Center of Drug Discovery, State Key Laboratory of Natural Medicines, China Pharmaceutical University, 24 Tongjiaxiang, Nanjing 210009, China
| | - Yonghui Guan
- Center of Drug Discovery, State Key Laboratory of Natural Medicines, China Pharmaceutical University, 24 Tongjiaxiang, Nanjing 210009, China
| | - Chenghui Luo
- Center of Drug Discovery, State Key Laboratory of Natural Medicines, China Pharmaceutical University, 24 Tongjiaxiang, Nanjing 210009, China
| | - Qin Chen
- Center of Drug Discovery, State Key Laboratory of Natural Medicines, China Pharmaceutical University, 24 Tongjiaxiang, Nanjing 210009, China
| | - Hongyu Jiang
- Center of Drug Discovery, State Key Laboratory of Natural Medicines, China Pharmaceutical University, 24 Tongjiaxiang, Nanjing 210009, China
| | - Haiyan Lin
- Department of Biochemistry and Molecular Biology, Nanjing Medical University, Nanjing 210009, China
| | - Hai Qian
- Center of Drug Discovery, State Key Laboratory of Natural Medicines, China Pharmaceutical University, 24 Tongjiaxiang, Nanjing 210009, China; Jiangsu Key Laboratory of Drug Discovery for Metabolic Disease, China Pharmaceutical University, 24 Tongjiaxiang, Nanjing 210009, China.
| | - Wei Shi
- Center of Drug Discovery, State Key Laboratory of Natural Medicines, China Pharmaceutical University, 24 Tongjiaxiang, Nanjing 210009, China.
| | - Wen Fan
- Department of Ophthalmology, The First Affiliated Hospital of Nanjing Medical University, Nanjing 210029, China.
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5
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Meyer EA, Croxford AL, Gnerre C, Kulig P, Murphy MJ, Jacob EM, Schäfer G, Richard-Bildstein S, Aissaoui H, Bouis P, Ertel EA, de Kanter R, Keller MP, Lüthi U, Caroff E. Discovery of the Clinical Candidate IDOR-1117-2520: A Potent and Selective Antagonist of CCR6 for Autoimmune Diseases. J Med Chem 2024; 67:8077-8098. [PMID: 38727100 DOI: 10.1021/acs.jmedchem.4c00186] [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: 05/24/2024]
Abstract
Migration of immune cells to sites of inflammation is a critical step in the body's response to infections but also during autoimmune flares. Chemokine receptors, members of the GPCR receptors, are instrumental in directing specific cell types to their target organs. Herein, we describe a highly potent small molecule antagonist of the chemokine receptor CCR6, which came out of fine-tuned structural elaborations from a proprietary HTS hit. Three main issues in the parent chemical series-cytotoxicity, phototoxicity, and hERG, were successfully solved. Biological characterization demonstrated that compound 45 (IDOR-1117-2520) is a selective and insurmountable antagonist of CCR6. In vivo proof-of-mechanism studies in a mouse lung inflammation model using a representative compound from the chemical class of 45 confirmed that the targeted CCR6+ cells were efficiently inhibited from migrating into the bronchoalveoli. Finally, ADMET and physicochemical properties were well balanced and the preclinical package warranted progress in the clinic.
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Affiliation(s)
- Emmanuel A Meyer
- Idorsia Pharmaceuticals Ltd., Hegenheimermattweg 91, CH-4123 Allschwil, Switzerland
| | - Andrew L Croxford
- Idorsia Pharmaceuticals Ltd., Hegenheimermattweg 91, CH-4123 Allschwil, Switzerland
| | - Carmela Gnerre
- Idorsia Pharmaceuticals Ltd., Hegenheimermattweg 91, CH-4123 Allschwil, Switzerland
| | - Paulina Kulig
- Idorsia Pharmaceuticals Ltd., Hegenheimermattweg 91, CH-4123 Allschwil, Switzerland
| | - Mark J Murphy
- Idorsia Pharmaceuticals Ltd., Hegenheimermattweg 91, CH-4123 Allschwil, Switzerland
| | - Elise M Jacob
- Idorsia Pharmaceuticals Ltd., Hegenheimermattweg 91, CH-4123 Allschwil, Switzerland
| | - Gabriel Schäfer
- Idorsia Pharmaceuticals Ltd., Hegenheimermattweg 91, CH-4123 Allschwil, Switzerland
| | | | - Hamed Aissaoui
- Idorsia Pharmaceuticals Ltd., Hegenheimermattweg 91, CH-4123 Allschwil, Switzerland
| | - Patrick Bouis
- Idorsia Pharmaceuticals Ltd., Hegenheimermattweg 91, CH-4123 Allschwil, Switzerland
| | - Eric A Ertel
- Idorsia Pharmaceuticals Ltd., Hegenheimermattweg 91, CH-4123 Allschwil, Switzerland
| | - Ruben de Kanter
- Idorsia Pharmaceuticals Ltd., Hegenheimermattweg 91, CH-4123 Allschwil, Switzerland
| | - Marcel P Keller
- Idorsia Pharmaceuticals Ltd., Hegenheimermattweg 91, CH-4123 Allschwil, Switzerland
| | - Urs Lüthi
- Idorsia Pharmaceuticals Ltd., Hegenheimermattweg 91, CH-4123 Allschwil, Switzerland
| | - Eva Caroff
- Idorsia Pharmaceuticals Ltd., Hegenheimermattweg 91, CH-4123 Allschwil, Switzerland
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6
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Nagar N, Naidu G, Panda SK, Gulati K, Singh RP, Poluri KM. Elucidating the role of chemokines in inflammaging associated atherosclerotic cardiovascular diseases. Mech Ageing Dev 2024; 220:111944. [PMID: 38782074 DOI: 10.1016/j.mad.2024.111944] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2024] [Revised: 05/08/2024] [Accepted: 05/14/2024] [Indexed: 05/25/2024]
Abstract
Age-related inflammation or inflammaging is a critical deciding factor of physiological homeostasis during aging. Cardiovascular diseases (CVDs) are exquisitely associated with aging and inflammation and are one of the leading causes of high mortality in the elderly population. Inflammaging comprises dysregulation of crosstalk between the vascular and cardiac tissues that deteriorates the vasculature network leading to development of atherosclerosis and atherosclerotic-associated CVDs in elderly populations. Leukocyte differentiation, migration and recruitment holds a crucial position in both inflammaging and atherosclerotic CVDs through relaying the activity of an intricate network of inflammation-associated protein-protein interactions. Among these interactions, small immunoproteins such as chemokines play a major role in the progression of inflammaging and atherosclerosis. Chemokines are actively involved in lymphocyte migration and severe inflammatory response at the site of injury. They relay their functions via chemokine-G protein-coupled receptors-glycosaminoglycan signaling axis and is a principal part for the detection of age-related atherosclerosis and related CVDs. This review focuses on highlighting the detailed intricacies of the effects of chemokine-receptor interaction and chemokine oligomerization on lymphocyte recruitment and its evident role in clinical manifestations of atherosclerosis and related CVDs. Further, the role of chemokine mediated signaling for formulating next-generation therapeutics against atherosclerosis has also been discussed.
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Affiliation(s)
- Nupur Nagar
- Department of Biosciences and Bioengineering, Indian Institute of Technology Roorkee, Roorkee, Uttarakhand 247667, India
| | - Goutami Naidu
- Department of Biosciences and Bioengineering, Indian Institute of Technology Roorkee, Roorkee, Uttarakhand 247667, India
| | - Santosh Kumar Panda
- Department of Biosciences and Bioengineering, Indian Institute of Technology Roorkee, Roorkee, Uttarakhand 247667, India
| | - Khushboo Gulati
- Department of Biosciences and Bioengineering, Indian Institute of Technology Roorkee, Roorkee, Uttarakhand 247667, India
| | - Ravindra Pal Singh
- Department of Industrial Biotechnology, Gujarat Biotechnology University, Gujarat International Finance Tec-City, Gandhinagar, Gujarat 382355, India
| | - Krishna Mohan Poluri
- Department of Biosciences and Bioengineering, Indian Institute of Technology Roorkee, Roorkee, Uttarakhand 247667, India; Centre for Nanotechnology, Indian Institute of Technology Roorkee, Roorkee, Uttarakhand 247667, India.
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7
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Wu Z, Sun L, Xu Y, Huang H, Wu Z, Qiu B, Yan J, Yin X. The Value of Chemokine and Chemokine Receptors in Diagnosis, Prognosis, and Immunotherapy of Hepatocellular Carcinoma. Cancer Manag Res 2024; 16:403-420. [PMID: 38736589 PMCID: PMC11086648 DOI: 10.2147/cmar.s450959] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2024] [Accepted: 04/20/2024] [Indexed: 05/14/2024] Open
Abstract
Background Chemokines and chemokine receptors (CCRs) are involved in a variety of anti-tumour and pro-tumour immune processes in vivo, such as angiogenesis, metastasis, proliferation and invasiveness, and influence patient prognosis and response to therapy. Methods CCRs differentially expressed in HCC and associated with prognosis were extracted from TCGA and GEO databases, and the obtained CCRs were then used to construct signature genes, and the signature gene were selected for expression validation as well as functional experiments to explore the role of CCRs in the treatment and prognosis of HCC. Results We constructed a prognostic model including five CCRs (CCL20, CCL23, CCR3, CCR10, and CXCR3) and validated the expression of signature genes. The model's risk score is an independent prognostic factor for HCC. We have also developed prognostic model nomograms for clinical use. In addition, we validated that CCR3 expression is associated with poor prognosis in HCC, and the proliferation and migration ability of HCC cells was significantly inhibited after interfering with the expression of CCR3 in MHCC-LM3. We also looked at differences in pathway enrichment, immune infiltration and immune checkpoints. Finally, we found that risk scores were also correlated with drug sensitivity, the high-risk group had a better sensitivity to sorafenib. Conclusion The CCRs-related gene signature may better assess HCC prognosis and response to immunotherapy and tyrosine kinase inhibitors such as sorafenib in HCC, providing prospective solutions for diagnosis and treatment.
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Affiliation(s)
- Zhengyi Wu
- Hepatobiliary Surgery, The Second Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang, Jiangxi Province, People’s Republic of China
| | - Liang Sun
- Hepatobiliary Surgery, The Second Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang, Jiangxi Province, People’s Republic of China
| | - Yongkang Xu
- Hepatobiliary Surgery, The Second Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang, Jiangxi Province, People’s Republic of China
| | - He Huang
- Hepatobiliary Surgery, The Second Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang, Jiangxi Province, People’s Republic of China
| | - Zhipeng Wu
- Hepatobiliary Surgery, The Second Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang, Jiangxi Province, People’s Republic of China
| | - Bingbing Qiu
- Hepatobiliary Surgery, The Second Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang, Jiangxi Province, People’s Republic of China
| | - Jinlong Yan
- Hepatobiliary Surgery, The Second Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang, Jiangxi Province, People’s Republic of China
| | - Xiangbao Yin
- Hepatobiliary Surgery, The Second Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang, Jiangxi Province, People’s Republic of China
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8
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Zhang M, Chen T, Lu X, Lan X, Chen Z, Lu S. G protein-coupled receptors (GPCRs): advances in structures, mechanisms, and drug discovery. Signal Transduct Target Ther 2024; 9:88. [PMID: 38594257 PMCID: PMC11004190 DOI: 10.1038/s41392-024-01803-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2023] [Revised: 02/19/2024] [Accepted: 03/13/2024] [Indexed: 04/11/2024] Open
Abstract
G protein-coupled receptors (GPCRs), the largest family of human membrane proteins and an important class of drug targets, play a role in maintaining numerous physiological processes. Agonist or antagonist, orthosteric effects or allosteric effects, and biased signaling or balanced signaling, characterize the complexity of GPCR dynamic features. In this study, we first review the structural advancements, activation mechanisms, and functional diversity of GPCRs. We then focus on GPCR drug discovery by revealing the detailed drug-target interactions and the underlying mechanisms of orthosteric drugs approved by the US Food and Drug Administration in the past five years. Particularly, an up-to-date analysis is performed on available GPCR structures complexed with synthetic small-molecule allosteric modulators to elucidate key receptor-ligand interactions and allosteric mechanisms. Finally, we highlight how the widespread GPCR-druggable allosteric sites can guide structure- or mechanism-based drug design and propose prospects of designing bitopic ligands for the future therapeutic potential of targeting this receptor family.
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Affiliation(s)
- Mingyang Zhang
- Key Laboratory of Protection, Development and Utilization of Medicinal Resources in Liupanshan Area, Ministry of Education, Peptide & Protein Drug Research Center, School of Pharmacy, Ningxia Medical University, Yinchuan, 750004, China
- Medicinal Chemistry and Bioinformatics Center, Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China
| | - Ting Chen
- Department of Cardiology, Changzheng Hospital, Affiliated to Naval Medical University, Shanghai, 200003, China
| | - Xun Lu
- Medicinal Chemistry and Bioinformatics Center, Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China
| | - Xiaobing Lan
- Key Laboratory of Protection, Development and Utilization of Medicinal Resources in Liupanshan Area, Ministry of Education, Peptide & Protein Drug Research Center, School of Pharmacy, Ningxia Medical University, Yinchuan, 750004, China
| | - Ziqiang Chen
- Department of Orthopedics, Changhai Hospital, Affiliated to Naval Medical University, Shanghai, 200433, China.
| | - Shaoyong Lu
- Key Laboratory of Protection, Development and Utilization of Medicinal Resources in Liupanshan Area, Ministry of Education, Peptide & Protein Drug Research Center, School of Pharmacy, Ningxia Medical University, Yinchuan, 750004, China.
- Medicinal Chemistry and Bioinformatics Center, Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China.
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9
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Dawson JRD, Wadman GM, Zhang P, Tebben A, Carter PH, Gu S, Shroka T, Borrega-Roman L, Salanga CL, Handel TM, Kufareva I. Molecular determinants of antagonist interactions with chemokine receptors CCR2 and CCR5. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2023.11.15.567150. [PMID: 38014122 PMCID: PMC10680698 DOI: 10.1101/2023.11.15.567150] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/29/2023]
Abstract
By driving monocyte chemotaxis, the chemokine receptor CCR2 shapes inflammatory responses and the formation of tumor microenvironments. This makes it a promising target in inflammation and immuno-oncology; however, despite extensive efforts, there are no FDA-approved CCR2-targeting therapeutics. Cited challenges include the redundancy of the chemokine system, suboptimal properties of compound candidates, and species differences that confound the translation of results from animals to humans. Structure-based drug design can rationalize and accelerate the discovery and optimization of CCR2 antagonists to address these challenges. The prerequisites for such efforts include an atomic-level understanding of the molecular determinants of action of existing antagonists. In this study, using molecular docking and artificial-intelligence-powered compound library screening, we uncover the structural principles of small molecule antagonism and selectivity towards CCR2 and its sister receptor CCR5. CCR2 orthosteric inhibitors are shown to universally occupy an inactive-state-specific tunnel between receptor helices 1 and 7; we also discover an unexpected role for an extra-helical groove accessible through this tunnel, suggesting its potential as a new targetable interface for CCR2 and CCR5 modulation. By contrast, only shape complementarity and limited helix 8 hydrogen bonding govern the binding of various chemotypes of allosteric antagonists. CCR2 residues S1012.63 and V2446.36 are implicated as determinants of CCR2/CCR5 and human/mouse orthosteric and allosteric antagonist selectivity, respectively, and the role of S1012.63 is corroborated through experimental gain-of-function mutagenesis. We establish a critical role of induced fit in antagonist recognition, reveal strong chemotype selectivity of existing structures, and demonstrate the high predictive potential of a new deep-learning-based compound scoring function. Finally, this study expands the available CCR2 structural landscape with computationally generated chemotype-specific models well-suited for structure-based antagonist design.
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Affiliation(s)
- John R D Dawson
- Skaggs School of Pharmacy and Pharmaceutical Sciences, University of California San Diego, La Jolla, CA, USA
| | - Grant M Wadman
- Skaggs School of Pharmacy and Pharmaceutical Sciences, University of California San Diego, La Jolla, CA, USA
| | | | | | - Percy H Carter
- Bristol Myers Squibb Company, Princeton, NJ, USA
- (current affiliation) Blueprint Medicines, Cambridge, MA, USA
| | - Siyi Gu
- Skaggs School of Pharmacy and Pharmaceutical Sciences, University of California San Diego, La Jolla, CA, USA
- (current affiliation) Lycia Therapeutics, South San Francisco, CA
| | - Thomas Shroka
- Skaggs School of Pharmacy and Pharmaceutical Sciences, University of California San Diego, La Jolla, CA, USA
- (current affiliation) Avidity Biosciences Inc., San Diego, CA
| | - Leire Borrega-Roman
- Skaggs School of Pharmacy and Pharmaceutical Sciences, University of California San Diego, La Jolla, CA, USA
| | - Catherina L Salanga
- Skaggs School of Pharmacy and Pharmaceutical Sciences, University of California San Diego, La Jolla, CA, USA
| | - Tracy M Handel
- Skaggs School of Pharmacy and Pharmaceutical Sciences, University of California San Diego, La Jolla, CA, USA
| | - Irina Kufareva
- Skaggs School of Pharmacy and Pharmaceutical Sciences, University of California San Diego, La Jolla, CA, USA
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10
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Abstract
For our immune system to contain or eliminate malignant solid tumours, both myeloid and lymphoid haematopoietic cells must not only extravasate from the bloodstream into the tumour tissue but also further migrate to various specialized niches of the tumour microenvironment to functionally interact with each other, with non-haematopoietic stromal cells and, ultimately, with cancer cells. These interactions regulate local immune cell survival, proliferative expansion, differentiation and their execution of pro-tumour or antitumour effector functions, which collectively determine the outcome of spontaneous or therapeutically induced antitumour immune responses. None of these interactions occur randomly but are orchestrated and critically depend on migratory guidance cues provided by chemokines, a large family of chemotactic cytokines, and their receptors. Understanding the functional organization of the tumour immune microenvironment inevitably requires knowledge of the multifaceted roles of chemokines in the recruitment and positioning of its cellular constituents. Gaining such knowledge will not only generate new insights into the mechanisms underlying antitumour immunity or immune tolerance but also inform the development of biomarkers (or 'biopatterns') based on spatial tumour tissue analyses, as well as novel strategies to therapeutically engineer immune responses in patients with cancer. Here we will discuss recent observations on the role of chemokines in the tumour microenvironment in the context of our knowledge of their physiological functions in development, homeostasis and antimicrobial responses.
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Affiliation(s)
- Thorsten R Mempel
- Center for Immunology and Inflammatory Diseases, Division of Rheumatology, Allergy and Immunology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA.
| | - Julia K Lill
- Center for Immunology and Inflammatory Diseases, Division of Rheumatology, Allergy and Immunology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
| | - Lukas M Altenburger
- Center for Immunology and Inflammatory Diseases, Division of Rheumatology, Allergy and Immunology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
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11
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Garg A, Lim JK. A Pocket Guide to CCR5-Neurotropic Flavivirus Edition. Viruses 2023; 16:28. [PMID: 38257729 PMCID: PMC10820758 DOI: 10.3390/v16010028] [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: 11/17/2023] [Revised: 12/19/2023] [Accepted: 12/21/2023] [Indexed: 01/24/2024] Open
Abstract
CCR5 is among the most studied chemokine receptors due to its profound significance in human health and disease. The notion that CCR5 is a functionally redundant receptor was challenged through the demonstration of its unique protective role in the context of West Nile virus in both mice and humans. In the nearly two decades since this initial discovery, numerous studies have investigated the role of CCR5 in the context of other medically important neurotropic flaviviruses, most of which appear to support a broad neuroprotective role for this receptor, although how CCR5 exerts its protective effect has been remarkably varied. In this review, we summarize the mechanisms by which CCR5 controls neurotropic flaviviruses, as well as results from human studies evaluating a genetic link to CCR5, and propose unexplored areas of research that are needed to unveil even more exciting roles for this important receptor.
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Affiliation(s)
| | - Jean K. Lim
- Department of Microbiology, The Icahn School of Medicine at Mount Sinai, One Gustave L. Levy Place, Box 1124, New York, NY 10029, USA;
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12
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Russo RC, Quesniaux VFJ, Ryffel B. Homeostatic chemokines as putative therapeutic targets in idiopathic pulmonary fibrosis. Trends Immunol 2023; 44:1014-1030. [PMID: 37951789 DOI: 10.1016/j.it.2023.10.003] [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: 09/22/2023] [Revised: 10/08/2023] [Accepted: 10/09/2023] [Indexed: 11/14/2023]
Abstract
Idiopathic pulmonary fibrosis (IPF) is a fatal chronic interstitial lung disease (ILD) that affects lung mechanical functions and gas exchange. IPF is caused by increased fibroblast activity and collagen deposition that compromise the alveolar-capillary barrier. Identifying an effective therapy for IPF remains a clinical challenge. Chemokines are key proteins in cell communication that have functions in immunity as well as in tissue homeostasis, damage, and repair. Chemokine receptor signaling induces the activation and proliferation of lung-resident cells, including alveolar macrophages (AMs) and fibroblasts. AMs are an important source of chemokines and cytokines during IPF. We highlight the complexity of this system and, based on insights from genetic and transcriptomic studies, propose a new role for homeostatic chemokine imbalance in IPF, with implications for putative therapeutic targets.
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Affiliation(s)
- Remo C Russo
- Laboratory of Pulmonary Immunology and Mechanics, Department of Physiology and Biophysics, Institute of Biological Sciences, Universidade Federal de Minas Gerais (UFMG), Belo Horizonte, Minas Gerais, Brazil.
| | - Valerie F J Quesniaux
- Experimental and Molecular Immunology and Neurogenetics (INEM), Centre National de la Recherche Scientifique (CNRS) Unité Mixte de Recherche (UMR) 7355, University of Orleans, Orleans 45071, France.
| | - Bernhard Ryffel
- Experimental and Molecular Immunology and Neurogenetics (INEM), Centre National de la Recherche Scientifique (CNRS) Unité Mixte de Recherche (UMR) 7355, University of Orleans, Orleans 45071, France.
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13
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Ridley AJL, Ou Y, Karlsson R, Pun N, Birchenough HL, Mulholland IZ, Birch ML, MacDonald AS, Jowitt TA, Lawless C, Miller RL, Dyer DP. Chemokines form complex signals during inflammation and disease that can be decoded by extracellular matrix proteoglycans. Sci Signal 2023; 16:eadf2537. [PMID: 37934811 DOI: 10.1126/scisignal.adf2537] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2022] [Accepted: 10/20/2023] [Indexed: 11/09/2023]
Abstract
Chemokine-driven leukocyte recruitment is a key component of the immune response and of various diseases. Therapeutically targeting the chemokine system in inflammatory disease has been unsuccessful, which has been attributed to redundancy. We investigated why chemokines instead have specific, specialized functions, as demonstrated by multiple studies. We analyzed the expression of genes encoding chemokines and their receptors across species, tissues, and diseases. This analysis revealed complex expression patterns such that genes encoding multiple chemokines that mediated recruitment of the same leukocyte type were expressed in the same context, such as the genes encoding the CXCR3 ligands CXCL9, CXCL10, and CXCL11. Through biophysical approaches, we showed that these chemokines differentially interacted with extracellular matrix glycosaminoglycans (ECM GAGs), which was enhanced by sulfation of specific GAGs. Last, in vivo approaches demonstrated that GAG binding was critical for the CXCL9-dependent recruitment of specific T cell subsets but not of others, irrespective of CXCR3 expression. Our data demonstrate that interactions with ECM GAGs regulated whether chemokines were presented on cell surfaces or remained more soluble, thereby affecting chemokine availability and ensuring specificity of chemokine action. Our findings provide a mechanistic understanding of chemokine-mediated immune cell recruitment and identify strategies to target specific chemokines during inflammatory disease.
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Affiliation(s)
- Amanda J L Ridley
- Wellcome Centre for Cell-Matrix Research, Lydia Becker Institute of Immunology and Inflammation, Faculty of Biology, Medicine and Health, Manchester Academic Health Science Centre, University of Manchester, Manchester M13 9PT, UK
| | - Yaqing Ou
- Wellcome Centre for Cell-Matrix Research, Lydia Becker Institute of Immunology and Inflammation, Faculty of Biology, Medicine and Health, Manchester Academic Health Science Centre, University of Manchester, Manchester M13 9PT, UK
| | - Richard Karlsson
- Copenhagen Center for Glycomics, Department of Cellular and Molecular Medicine, Faculty of Health Sciences, University of Copenhagen, Blegdamsvej 3, DK-2200 Copenhagen N, Denmark
| | - Nabina Pun
- Wellcome Centre for Cell-Matrix Research, Lydia Becker Institute of Immunology and Inflammation, Faculty of Biology, Medicine and Health, Manchester Academic Health Science Centre, University of Manchester, Manchester M13 9PT, UK
| | - Holly L Birchenough
- Wellcome Centre for Cell-Matrix Research, Lydia Becker Institute of Immunology and Inflammation, Faculty of Biology, Medicine and Health, Manchester Academic Health Science Centre, University of Manchester, Manchester M13 9PT, UK
| | - Iashia Z Mulholland
- Wellcome Centre for Cell-Matrix Research, Lydia Becker Institute of Immunology and Inflammation, Faculty of Biology, Medicine and Health, Manchester Academic Health Science Centre, University of Manchester, Manchester M13 9PT, UK
| | - Mary L Birch
- Biological Services Facility, Faculty of Biology, Medicine and Health, University of Manchester, Manchester M13 9PT, UK
| | - Andrew S MacDonald
- Lydia Becker Institute of Immunology and Inflammation, Faculty of Biology, Medicine and Health, Manchester Academic Health Science Centre, University of Manchester, Manchester M13 9PT, UK
| | - Thomas A Jowitt
- Wellcome Centre for Cell-Matrix Research, Lydia Becker Institute of Immunology and Inflammation, Faculty of Biology, Medicine and Health, Manchester Academic Health Science Centre, University of Manchester, Manchester M13 9PT, UK
| | - Craig Lawless
- Wellcome Centre for Cell-Matrix Research, Lydia Becker Institute of Immunology and Inflammation, Faculty of Biology, Medicine and Health, Manchester Academic Health Science Centre, University of Manchester, Manchester M13 9PT, UK
| | - Rebecca L Miller
- Copenhagen Center for Glycomics, Department of Cellular and Molecular Medicine, Faculty of Health Sciences, University of Copenhagen, Blegdamsvej 3, DK-2200 Copenhagen N, Denmark
| | - Douglas P Dyer
- Wellcome Centre for Cell-Matrix Research, Lydia Becker Institute of Immunology and Inflammation, Faculty of Biology, Medicine and Health, Manchester Academic Health Science Centre, University of Manchester, Manchester M13 9PT, UK
- Geoffrey Jefferson Brain Research Centre, Manchester Academic Health Science Centre, Northern Care Alliance NHS Group, University of Manchester, Manchester M6 8HD, UK
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14
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Le K, Sun J, Ghaemmaghami J, Smith MR, Ip WKE, Phillips T, Gupta M. Blockade of CCR1 induces a phenotypic shift in macrophages and triggers a favorable antilymphoma activity. Blood Adv 2023; 7:3952-3967. [PMID: 36630565 PMCID: PMC10410136 DOI: 10.1182/bloodadvances.2022008722] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2022] [Revised: 12/09/2022] [Accepted: 12/14/2022] [Indexed: 01/13/2023] Open
Abstract
Tumor-associated macrophages (TAMs) within the tumor microenvironment (TME) play an important role in tumor growth and progression. TAMs have been involved in producing immunosuppressive TME via various factors; however, the underlying mechanisms remain unclear in B-cell lymphoma, including mantle cell lymphoma (MCL). We identified that chemokine receptor-1 (CCR1) is highly expressed on monocytes (Mo) and macrophages (MΦ), and CCR1 pharmacological inhibition or CCR1 siRNA abolished lymphoma-mediated Mo/MΦ migration in a chemotaxis assay. The deficiency of host CCR1 (CCR1 KO) was associated with decreased infiltration of peritoneal-MΦ compared with WT-CCR1. Functional studies indicated that the genetic depletion of CCR1 or treatment inhibited protumor MΦ (M2-like) phenotype by decreasing CD206 and IL-10 expression. Moreover, CCR1 depletion reprogrammed MΦ toward an MHCII+/TNFα+ immunogenic phenotype. Mechanistically, protumor MΦ driven-IL-10 provides a positive feedback loop to tumor-CCL3 by regulating the CCL3 promoter via STAT1 signaling. Therapeutic in vivo targeting of CCR1 with CCR1 antagonist BX-471 significantly reduced FC-muMCL1 mouse tumors in the syngeneic MCL model by the depletion of M2-TAMs and increased infiltration of cytotoxic CD8+ T cells. Our study established that CCR1 exerts a pivotal role in macrophage programming, thus shaping protumor TME and lymphoma progression. CCR1 inhibition through CCR1 antagonists may be a promising therapeutic strategy to reprogram macrophages in lymphoma-TME and achieve better clinical outcomes in patients.
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Affiliation(s)
- Kang Le
- Department of Biochemistry and Molecular Medicine, George Washington University, George Washington University's Cancer Center (GWCC), Washington DC
| | - Jing Sun
- Department of Biochemistry and Molecular Medicine, George Washington University, George Washington University's Cancer Center (GWCC), Washington DC
| | - Javid Ghaemmaghami
- Department of Biochemistry and Molecular Medicine, George Washington University, George Washington University's Cancer Center (GWCC), Washington DC
| | - Mitchell R. Smith
- Department of Medicine, School of Medicine and Health Sciences, George Washington University, GWCC, Washington DC
| | | | - Tycel Phillips
- Department of Hematology, University of Michigan, Ann Arbor, MI
| | - Mamta Gupta
- Department of Biochemistry and Molecular Medicine, George Washington University, George Washington University's Cancer Center (GWCC), Washington DC
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15
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Grudzien P, Neufeld H, Ebe Eyenga M, Gaponenko V. Development of tolerance to chemokine receptor antagonists: current paradigms and the need for further investigation. Front Immunol 2023; 14:1184014. [PMID: 37575219 PMCID: PMC10420067 DOI: 10.3389/fimmu.2023.1184014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2023] [Accepted: 06/27/2023] [Indexed: 08/15/2023] Open
Abstract
Chemokine G-protein coupled receptors are validated drug targets for many diseases, including cancer, neurological, and inflammatory disorders. Despite much time and effort spent on therapeutic development, very few chemokine receptor antagonists are approved for clinical use. Among potential reasons for the slow progress in developing chemokine receptor inhibitors, antagonist tolerance, a progressive reduction in drug efficacy after repeated administration, is likely to play a key role. The mechanisms leading to antagonist tolerance remain poorly understood. In many cases, antagonist tolerance is accompanied by increased receptor concentration on the cell surface after prolonged exposure to chemokine receptor antagonists. This points to a possible role of altered receptor internalization and presentation on the cell surface, as has been shown for agonist (primarily opioid) tolerance. In addition, examples of antagonist tolerance in the context of other G-protein coupled receptors suggest the involvement of noncanonical signal transduction in opposing the effects of the antagonists. In this review, we summarize the available progress and challenges in therapeutic development of chemokine receptor antagonists, describe the available knowledge about antagonist tolerance, and propose new avenues for future investigation of this important phenomenon. Furthermore, we highlight the modern methodologies that have the potential to reveal novel mechanisms leading to antagonist tolerance and to propel the field forward by advancing the development of potent "tolerance-free" antagonists of chemokine receptors.
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Affiliation(s)
| | | | | | - Vadim Gaponenko
- Department of Biochemistry and Molecular Genetics, College of Medicine, University of Illinois at Chicago, Chicago, IL, United States
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16
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Dillemans L, De Somer L, Neerinckx B, Proost P. A review of the pleiotropic actions of the IFN-inducible CXC chemokine receptor 3 ligands in the synovial microenvironment. Cell Mol Life Sci 2023; 80:78. [PMID: 36862204 PMCID: PMC11071919 DOI: 10.1007/s00018-023-04715-w] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2022] [Revised: 01/09/2023] [Accepted: 02/01/2023] [Indexed: 03/03/2023]
Abstract
Chemokines are pivotal players in instigation and perpetuation of synovitis through leukocytes egress from the blood circulation into the inflamed articulation. Multitudinous literature addressing the involvement of the dual-function interferon (IFN)-inducible chemokines CXCL9, CXCL10 and CXCL11 in diseases characterized by chronic inflammatory arthritis emphasizes the need for detangling their etiopathological relevance. Through interaction with their mutual receptor CXC chemokine receptor 3 (CXCR3), the chemokines CXCL9, CXCL10 and CXCL11 exert their hallmark function of coordinating directional trafficking of CD4+ TH1 cells, CD8+ T cells, NK cells and NKT cells towards inflammatory niches. Among other (patho)physiological processes including infection, cancer, and angiostasis, IFN-inducible CXCR3 ligands have been implicated in autoinflammatory and autoimmune diseases. This review presents a comprehensive overview of the abundant presence of IFN-induced CXCR3 ligands in bodily fluids of patients with inflammatory arthritis, the outcomes of their selective depletion in rodent models, and the attempts at developing candidate drugs targeting the CXCR3 chemokine system. We further propose that the involvement of the CXCR3 binding chemokines in synovitis and joint remodeling encompasses more than solely the directional ingress of CXCR3-expressing leukocytes. The pleotropic actions of the IFN-inducible CXCR3 ligands in the synovial niche reiteratively illustrate the extensive complexity of the CXCR3 chemokine network, which is based on the intercommunion of IFN-inducible CXCR3 ligands with distinct CXCR3 isoforms, enzymes, cytokines, and infiltrated and resident cells present in the inflamed joints.
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Affiliation(s)
- Luna Dillemans
- Laboratory of Molecular Immunology, Department of Microbiology, Immunology and Transplantation, Rega Institute, KU Leuven, Leuven, Belgium
| | - Lien De Somer
- Laboratory of Immunobiology, Department of Microbiology, Immunology and Transplantation, Rega Institute, KU Leuven, Leuven, Belgium
| | - Barbara Neerinckx
- Skeletal Biology and Engineering Research Center, Department of Development and Regeneration, KU Leuven, Leuven, Belgium
- Department of Rheumatology, University Hospitals Leuven, Leuven, Belgium
| | - Paul Proost
- Laboratory of Molecular Immunology, Department of Microbiology, Immunology and Transplantation, Rega Institute, KU Leuven, Leuven, Belgium.
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17
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Cambier S, Gouwy M, Proost P. The chemokines CXCL8 and CXCL12: molecular and functional properties, role in disease and efforts towards pharmacological intervention. Cell Mol Immunol 2023; 20:217-251. [PMID: 36725964 PMCID: PMC9890491 DOI: 10.1038/s41423-023-00974-6] [Citation(s) in RCA: 65] [Impact Index Per Article: 65.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2022] [Accepted: 12/12/2022] [Indexed: 02/03/2023] Open
Abstract
Chemokines are an indispensable component of our immune system through the regulation of directional migration and activation of leukocytes. CXCL8 is the most potent human neutrophil-attracting chemokine and plays crucial roles in the response to infection and tissue injury. CXCL8 activity inherently depends on interaction with the human CXC chemokine receptors CXCR1 and CXCR2, the atypical chemokine receptor ACKR1, and glycosaminoglycans. Furthermore, (hetero)dimerization and tight regulation of transcription and translation, as well as post-translational modifications further fine-tune the spatial and temporal activity of CXCL8 in the context of inflammatory diseases and cancer. The CXCL8 interaction with receptors and glycosaminoglycans is therefore a promising target for therapy, as illustrated by multiple ongoing clinical trials. CXCL8-mediated neutrophil mobilization to blood is directly opposed by CXCL12, which retains leukocytes in bone marrow. CXCL12 is primarily a homeostatic chemokine that induces migration and activation of hematopoietic progenitor cells, endothelial cells, and several leukocytes through interaction with CXCR4, ACKR1, and ACKR3. Thereby, it is an essential player in the regulation of embryogenesis, hematopoiesis, and angiogenesis. However, CXCL12 can also exert inflammatory functions, as illustrated by its pivotal role in a growing list of pathologies and its synergy with CXCL8 and other chemokines to induce leukocyte chemotaxis. Here, we review the plethora of information on the CXCL8 structure, interaction with receptors and glycosaminoglycans, different levels of activity regulation, role in homeostasis and disease, and therapeutic prospects. Finally, we discuss recent research on CXCL12 biochemistry and biology and its role in pathology and pharmacology.
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Affiliation(s)
- Seppe Cambier
- Laboratory of Molecular Immunology, Rega Institute, Department of Microbiology, Immunology and Transplantation, KU Leuven, Leuven, Belgium
| | - Mieke Gouwy
- Laboratory of Molecular Immunology, Rega Institute, Department of Microbiology, Immunology and Transplantation, KU Leuven, Leuven, Belgium
| | - Paul Proost
- Laboratory of Molecular Immunology, Rega Institute, Department of Microbiology, Immunology and Transplantation, KU Leuven, Leuven, Belgium.
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18
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Parween F, Singh SP, Zhang HH, Kathuria N, Otaizo-Carrasquero FA, Shamsaddini A, Gardina PJ, Ganesan S, Kabat J, Lorenzi HA, Myers TG, Farber JM. Chemokine positioning determines mutually exclusive roles for their receptors in extravasation of pathogenic human T cells. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.01.25.525561. [PMID: 36789428 PMCID: PMC9928044 DOI: 10.1101/2023.01.25.525561] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Abstract
Pro-inflammatory T cells co-express multiple chemokine receptors, but the distinct functions of individual receptors on these cells are largely unknown. Human Th17 cells uniformly express the chemokine receptor CCR6, and we discovered that the subgroup of CD4+CCR6+ cells that co-express CCR2 possess a pathogenic Th17 signature, can produce inflammatory cytokines independent of TCR activation, and are unusually efficient at transendothelial migration (TEM). The ligand for CCR6, CCL20, was capable of binding to activated endothelial cells (ECs) and inducing firm arrest of CCR6+CCR2+ cells under conditions of flow - but CCR6 could not mediate TEM. By contrast, CCL2 and other ligands for CCR2, despite being secreted from both luminal and basal sides of ECs, failed to bind to the EC surfaces - and CCR2 could not mediate arrest. Nonetheless, CCR2 was required for TEM. To understand if CCR2's inability to mediate arrest was due solely to an absence of EC-bound ligands, we generated a CCL2-CXCL9 chimeric chemokine that could bind to the EC surface. Although display of CCL2 on the ECs did indeed lead to CCR2-mediated arrest of CCR6+CCR2+ cells, activating CCR2 with surface-bound CCL2 blocked TEM. We conclude that mediating arrest and TEM are mutually exclusive activities of chemokine receptors and/or their ligands that depend, respectively, on chemokines that bind to the EC luminal surfaces versus non-binding chemokines that form transendothelial gradients under conditions of flow. Our findings provide fundamental insights into mechanisms of lymphocyte extravasation and may lead to novel strategies to block or enhance their migration into tissue.
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Affiliation(s)
- Farhat Parween
- Laboratory of Molecular Immunology, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda MD 20892, USA
| | - Satya P. Singh
- Laboratory of Molecular Immunology, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda MD 20892, USA
| | - Hongwei H Zhang
- Laboratory of Molecular Immunology, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda MD 20892, USA
| | - Nausheen Kathuria
- Laboratory of Molecular Immunology, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda MD 20892, USA
| | - Francisco A. Otaizo-Carrasquero
- Research Technologies Branch, Genomic Technologies, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda MD 20892, USA
| | - Amirhossein Shamsaddini
- Research Technologies Branch, Genomic Technologies, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda MD 20892, USA
| | - Paul J. Gardina
- Research Technologies Branch, Genomic Technologies, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda MD 20892, USA
| | - Sundar Ganesan
- Research Technologies Branch, Biological Imaging, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda MD 20892, USA
| | - Juraj Kabat
- Research Technologies Branch, Biological Imaging, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda MD 20892, USA
| | - Hernan A. Lorenzi
- Bioinformatics and Computational Biosciences Branch, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda MD 20892, USA
| | - Timothy G. Myers
- Research Technologies Branch, Genomic Technologies, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda MD 20892, USA
| | - Joshua M. Farber
- Laboratory of Molecular Immunology, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda MD 20892, USA
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19
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Dragan P, Merski M, Wiśniewski S, Sanmukh SG, Latek D. Chemokine Receptors-Structure-Based Virtual Screening Assisted by Machine Learning. Pharmaceutics 2023; 15:pharmaceutics15020516. [PMID: 36839838 PMCID: PMC9965785 DOI: 10.3390/pharmaceutics15020516] [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: 12/01/2022] [Revised: 01/30/2023] [Accepted: 01/31/2023] [Indexed: 02/08/2023] Open
Abstract
Chemokines modulate the immune response by regulating the migration of immune cells. They are also known to participate in such processes as cell-cell adhesion, allograft rejection, and angiogenesis. Chemokines interact with two different subfamilies of G protein-coupled receptors: conventional chemokine receptors and atypical chemokine receptors. Here, we focused on the former one which has been linked to many inflammatory diseases, including: multiple sclerosis, asthma, nephritis, and rheumatoid arthritis. Available crystal and cryo-EM structures and homology models of six chemokine receptors (CCR1 to CCR6) were described and tested in terms of their usefulness in structure-based drug design. As a result of structure-based virtual screening for CCR2 and CCR3, several new active compounds were proposed. Known inhibitors of CCR1 to CCR6, acquired from ChEMBL, were used as training sets for two machine learning algorithms in ligand-based drug design. Performance of LightGBM was compared with a sequential Keras/TensorFlow model of neural network for these diverse datasets. A combination of structure-based virtual screening with machine learning allowed to propose several active ligands for CCR2 and CCR3 with two distinct compounds predicted as CCR3 actives by all three tested methods: Glide, Keras/TensorFlow NN, and LightGBM. In addition, the performance of these three methods in the prediction of the CCR2/CCR3 receptor subtype selectivity was assessed.
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20
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Gray AL, Karlsson R, Roberts ARE, Ridley AJL, Pun N, Khan B, Lawless C, Luís R, Szpakowska M, Chevigné A, Hughes CE, Medina-Ruiz L, Birchenough HL, Mulholland IZ, Salanga CL, Yates EA, Turnbull JE, Handel TM, Graham GJ, Jowitt TA, Schiessl I, Richter RP, Miller RL, Dyer DP. Chemokine CXCL4 interactions with extracellular matrix proteoglycans mediate widespread immune cell recruitment independent of chemokine receptors. Cell Rep 2023; 42:111930. [PMID: 36640356 PMCID: PMC11064100 DOI: 10.1016/j.celrep.2022.111930] [Citation(s) in RCA: 17] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2022] [Revised: 11/18/2022] [Accepted: 12/14/2022] [Indexed: 01/07/2023] Open
Abstract
Leukocyte recruitment from the vasculature into tissues is a crucial component of the immune system but is also key to inflammatory disease. Chemokines are central to this process but have yet to be therapeutically targeted during inflammation due to a lack of mechanistic understanding. Specifically, CXCL4 (Platelet Factor 4, PF4) has no established receptor that explains its function. Here, we use biophysical, in vitro, and in vivo techniques to determine the mechanism underlying CXCL4-mediated leukocyte recruitment. We demonstrate that CXCL4 binds to glycosaminoglycan (GAG) sugars on proteoglycans within the endothelial extracellular matrix, resulting in increased adhesion of leukocytes to the vasculature, increased vascular permeability, and non-specific recruitment of a range of leukocytes. Furthermore, GAG sulfation confers selectivity onto chemokine localization. These findings present mechanistic insights into chemokine biology and provide future therapeutic targets.
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Affiliation(s)
- Anna L Gray
- Wellcome Centre for Cell-Matrix Research, Lydia Becker Institute of Immunology and Inflammation, Faculty of Biology, Medicine and Health, Manchester Academic Health Science Centre, University of Manchester, Manchester, UK; Geoffrey Jefferson Brain Research Centre, Manchester Academic Health Science Centre, Northern Care Alliance NHS Group, University of Manchester, Manchester, UK
| | - Richard Karlsson
- Copenhagen Center for Glycomics, Department of Cellular and Molecular Medicine, Faculty of Health Sciences, University of Copenhagen, Blegdamsvej 3, 2200 Copenhagen, Denmark
| | - Abigail R E Roberts
- University of Leeds, School of Biomedical Sciences, Faculty of Biological Sciences, School of Physics and Astronomy, Faculty of Engineering and Physical Sciences, Astbury Centre for Structural Molecular Biology, and Bragg Centre for Materials Research, Leeds LS2 9JT, UK
| | - Amanda J L Ridley
- Wellcome Centre for Cell-Matrix Research, Lydia Becker Institute of Immunology and Inflammation, Faculty of Biology, Medicine and Health, Manchester Academic Health Science Centre, University of Manchester, Manchester, UK
| | - Nabina Pun
- Wellcome Centre for Cell-Matrix Research, Lydia Becker Institute of Immunology and Inflammation, Faculty of Biology, Medicine and Health, Manchester Academic Health Science Centre, University of Manchester, Manchester, UK
| | - Bakhtbilland Khan
- Wellcome Centre for Cell-Matrix Research, Lydia Becker Institute of Immunology and Inflammation, Faculty of Biology, Medicine and Health, Manchester Academic Health Science Centre, University of Manchester, Manchester, UK
| | - Craig Lawless
- Wellcome Centre for Cell-Matrix Research, Lydia Becker Institute of Immunology and Inflammation, Faculty of Biology, Medicine and Health, Manchester Academic Health Science Centre, University of Manchester, Manchester, UK
| | - Rafael Luís
- Immuno-Pharmacology and Interactomics, Department of Infection and Immunity, Luxembourg Institute of Health, 4354 Esch-sur-Alzette, Luxembourg; Faculty of Science, Technology and Medicine, University of Luxembourg, Esch-sur-Alzette, Luxembourg; Tumor Immunotherapy and Microenvironment, Department of Cancer Research, Luxembourg Institute of Health, 2012 Luxembourg, Luxembourg
| | - Martyna Szpakowska
- Immuno-Pharmacology and Interactomics, Department of Infection and Immunity, Luxembourg Institute of Health, 4354 Esch-sur-Alzette, Luxembourg
| | - Andy Chevigné
- Immuno-Pharmacology and Interactomics, Department of Infection and Immunity, Luxembourg Institute of Health, 4354 Esch-sur-Alzette, Luxembourg
| | - Catherine E Hughes
- Chemokine Research Group, School of Infection and Immunity, College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow G12 8TA, UK
| | - Laura Medina-Ruiz
- Chemokine Research Group, School of Infection and Immunity, College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow G12 8TA, UK
| | - Holly L Birchenough
- Wellcome Centre for Cell-Matrix Research, Lydia Becker Institute of Immunology and Inflammation, Faculty of Biology, Medicine and Health, Manchester Academic Health Science Centre, University of Manchester, Manchester, UK
| | - Iashia Z Mulholland
- Wellcome Centre for Cell-Matrix Research, Lydia Becker Institute of Immunology and Inflammation, Faculty of Biology, Medicine and Health, Manchester Academic Health Science Centre, University of Manchester, Manchester, UK
| | - Catherina L Salanga
- Skaggs School of Pharmacy and Pharmaceutical Sciences, University of California, San Diego, La Jolla, CA 92093, USA
| | - Edwin A Yates
- Department of Biochemistry and Systems Biology, Institute of Systems, Molecular and Integrative Biology, University of Liverpool, Liverpool L69 7ZB, UK
| | - Jeremy E Turnbull
- Copenhagen Center for Glycomics, Department of Cellular and Molecular Medicine, Faculty of Health Sciences, University of Copenhagen, Blegdamsvej 3, 2200 Copenhagen, Denmark; Department of Biochemistry and Systems Biology, Institute of Systems, Molecular and Integrative Biology, University of Liverpool, Liverpool L69 7ZB, UK; Centre for Glycosciences, Keele University, Keele, Staffordshire ST5 5BG, UK
| | - Tracy M Handel
- Skaggs School of Pharmacy and Pharmaceutical Sciences, University of California, San Diego, La Jolla, CA 92093, USA
| | - Gerard J Graham
- Chemokine Research Group, School of Infection and Immunity, College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow G12 8TA, UK
| | - Thomas A Jowitt
- Wellcome Centre for Cell-Matrix Research, Lydia Becker Institute of Immunology and Inflammation, Faculty of Biology, Medicine and Health, Manchester Academic Health Science Centre, University of Manchester, Manchester, UK
| | - Ingo Schiessl
- Geoffrey Jefferson Brain Research Centre, Manchester Academic Health Science Centre, Northern Care Alliance NHS Group, University of Manchester, Manchester, UK; Division of Neuroscience, School of Biological Sciences, Faculty of Biology, Medicine and Health, University of Manchester, Manchester, UK
| | - Ralf P Richter
- University of Leeds, School of Biomedical Sciences, Faculty of Biological Sciences, School of Physics and Astronomy, Faculty of Engineering and Physical Sciences, Astbury Centre for Structural Molecular Biology, and Bragg Centre for Materials Research, Leeds LS2 9JT, UK
| | - Rebecca L Miller
- Copenhagen Center for Glycomics, Department of Cellular and Molecular Medicine, Faculty of Health Sciences, University of Copenhagen, Blegdamsvej 3, 2200 Copenhagen, Denmark
| | - Douglas P Dyer
- Wellcome Centre for Cell-Matrix Research, Lydia Becker Institute of Immunology and Inflammation, Faculty of Biology, Medicine and Health, Manchester Academic Health Science Centre, University of Manchester, Manchester, UK; Geoffrey Jefferson Brain Research Centre, Manchester Academic Health Science Centre, Northern Care Alliance NHS Group, University of Manchester, Manchester, UK.
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21
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Drouillard D, Craig BT, Dwinell MB. Physiology of chemokines in the cancer microenvironment. Am J Physiol Cell Physiol 2023; 324:C167-C182. [PMID: 36317799 PMCID: PMC9829481 DOI: 10.1152/ajpcell.00151.2022] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2022] [Revised: 10/20/2022] [Accepted: 10/21/2022] [Indexed: 01/07/2023]
Abstract
Chemokines are chemotactic cytokines whose canonical functions govern movement of receptor-expressing cells along chemical gradients. Chemokines are a physiological system that is finely tuned by ligand and receptor expression, ligand or receptor oligomerization, redundancy, expression of atypical receptors, and non-GPCR binding partners that cumulatively influence discrete pharmacological signaling responses and cellular functions. In cancer, chemokines play paradoxical roles in both the directed emigration of metastatic, receptor-expressing cancer cells out of the tumor as well as immigration of tumor-infiltrating immune cells that culminate in a tumor-unique immune microenvironment. In the age of precision oncology, strategies to effectively harness the power of immunotherapy requires consideration of chemokine gradients within the unique spatial topography and temporal influences with heterogeneous tumors. In this article, we review current literature on the diversity of chemokine ligands and their cellular receptors that detect and process chemotactic gradients and illustrate how differences between ligand recognition and receptor activation influence the signaling machinery that drives cellular movement into and out of the tumor microenvironment. Facets of chemokine physiology across discrete cancer immune phenotypes are contrasted to existing chemokine-centered therapies in cancer.
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Affiliation(s)
- Donovan Drouillard
- Medical Scientist Training Program, Medical College of Wisconsin, Milwaukee, Wisconsin
- Department of Microbiology & Immunology, Medical College of Wisconsin, Milwaukee, Wisconsin
| | - Brian T Craig
- Department of Microbiology & Immunology, Medical College of Wisconsin, Milwaukee, Wisconsin
- Department of Surgery, Medical College of Wisconsin, Milwaukee, Wisconsin
| | - Michael B Dwinell
- Department of Microbiology & Immunology, Medical College of Wisconsin, Milwaukee, Wisconsin
- Center for Immunology, Medical College of Wisconsin, Milwaukee, Wisconsin
- Department of Surgery, Medical College of Wisconsin, Milwaukee, Wisconsin
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22
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Torphy RJ, Yee EJ, Schulick RD, Zhu Y. Atypical chemokine receptors: emerging therapeutic targets in cancer. Trends Pharmacol Sci 2022; 43:1085-1097. [PMID: 36307250 PMCID: PMC9669249 DOI: 10.1016/j.tips.2022.09.009] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2022] [Revised: 09/05/2022] [Accepted: 09/27/2022] [Indexed: 11/06/2022]
Abstract
Atypical chemokine receptors (ACKRs) regulate the availability of chemokines via chemokine scavenging, while also having the capacity to elicit downstream function through β-arrestin coupling. This contrasts with conventional chemokine receptors that directly elicit immune cell migration through G protein-coupled signaling. The significance of ACKRs in cancer biology has previously been poorly understood, but recent findings have highlighted the multifaceted role of these receptors in tumorigenesis and immune response modulation within the tumor microenvironment (TME). Additionally, recent research has expanded our understanding of the function of several receptors including GPR182, CCRL2, GPR1, PITPNM3, and C5aR2 that share similarities with the ACKR family. In this review, we discuss these recent developments, and highlight the opportunities and challenges of pharmacologically targeting ACKRs in cancer.
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Affiliation(s)
- Robert J Torphy
- Department of Surgery, University of Colorado Anschutz Medical Campus, Aurora, CO 80045, USA
| | - Elliott J Yee
- Department of Surgery, University of Colorado Anschutz Medical Campus, Aurora, CO 80045, USA
| | - Richard D Schulick
- Department of Surgery, University of Colorado Anschutz Medical Campus, Aurora, CO 80045, USA
| | - Yuwen Zhu
- Department of Surgery, University of Colorado Anschutz Medical Campus, Aurora, CO 80045, USA.
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23
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Meyer EA, Äänismaa P, Froidevaux S, Keller M, Piali L, Caroff E. Discovery and In Vivo Evaluation of ACT-660602: A Potent and Selective Antagonist of the Chemokine Receptor CXCR3 for Autoimmune Diseases. J Med Chem 2022; 65:11513-11532. [PMID: 35947786 DOI: 10.1021/acs.jmedchem.2c00675] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The chemokine receptor CXCR3 is a seven-transmembrane G-protein-coupled receptor (GPCR) involved in various pathologies, in particular autoimmune diseases. It is activated by the three chemokine ligands CXCL9, CXCL10, and CXCL11 and enables the recruitment of immune cell subsets leading to damage of inflamed tissues. Starting from a high-throughput screening hit, we describe the iterative optimization of a chemical series culminating in the discovery of the selective CXCR3 antagonist ACT-660602 (9j). The careful structural modifications during the lead optimization phase led to a compound with high biological potency in inhibiting cell migration together with improvements of the metabolic stability and hERG issue. In a LPS-induced lung inflammation model in mice, ACT-660602 led to significantly reduced recruitment of the CXCR3+ CD8+ T cell in the bronchoalveolar lavage compartment when administered orally at a dose of 30 mg/kg.
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Affiliation(s)
- Emmanuel A Meyer
- Drug Discovery Chemistry Immunology, Idorsia Pharmaceuticals Ltd., Allschwil 4123, Switzerland
| | - Päivi Äänismaa
- DMPK, Idorsia Pharmaceuticals Ltd., Allschwil 4123, Switzerland
| | | | - Marcel Keller
- Drug Discovery Biology Immunology, Idorsia Pharmaceuticals Ltd., Allschwil 4123, Switzerland
| | - Luca Piali
- Immunology, Infectious Diseases and Ophthalmology, pRED Roche, Basel 4070, Switzerland
| | - Eva Caroff
- Drug Discovery Chemistry Immunology, Idorsia Pharmaceuticals Ltd., Allschwil 4123, Switzerland
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24
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Zajkowska M, Mroczko B. Chemokines in Primary Liver Cancer. Int J Mol Sci 2022; 23:ijms23168846. [PMID: 36012108 PMCID: PMC9408270 DOI: 10.3390/ijms23168846] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2022] [Revised: 08/04/2022] [Accepted: 08/08/2022] [Indexed: 11/16/2022] Open
Abstract
The liver is responsible for extremely important functions in the human body. In the liver’s structure, we distinguish between connective tissue (stroma) and parenchyma, the latter of which is formed from the basic structural and functional units of the liver—hepatocytes. There are many factors, that negatively affect the liver cells, contributing to their damage. This may lead to fibrosis, liver failure and, in consequence, primary liver cancer, which is the sixth most commonly diagnosed malignancy and the fourth leading cause of cancer death worldwide. Chemokines are a large family of secreted proteins. Their main role is to direct the recruitment and migration of cells to sites of inflammation or injury. Some authors suggest that these proteins might play a potential role in the development of many malignancies, including primary liver cancer. The aim of this study was to evaluate and summarize the knowledge regarding liver diseases, especially primary liver cancer (HCC) and the participation of chemokines in the development of this malignancy. Chemokines involved in the initiation of this type of tumor belong mainly to the CC and CXC chemokines. Their significant role in the course of hepatocellular carcinoma proves their usefulness in detecting and monitoring the course and treatment in patients with this disease.
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Affiliation(s)
- Monika Zajkowska
- Department of Neurodegeneration Diagnostics, Medical University of Bialystok, 15-269 Bialystok, Poland
- Correspondence: ; Tel.: +48-686-5168; Fax: +48-686-5169
| | - Barbara Mroczko
- Department of Neurodegeneration Diagnostics, Medical University of Bialystok, 15-269 Bialystok, Poland
- Department of Biochemical Diagnostics, Medical University of Bialystok, 15-269 Bialystok, Poland
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25
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Ridley AJL, Dyer DP. Chemokine redundancy
versus
specificity in the context of CXCR3 and its ligands. Immunol Cell Biol 2022; 100:387-389. [DOI: 10.1111/imcb.12553] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2022] [Accepted: 04/20/2022] [Indexed: 11/29/2022]
Affiliation(s)
- Amanda JL Ridley
- Wellcome Centre for Cell‐Matrix Research, Lydia Becker Institute of Immunology and Inflammation, Faculty of Biology, Medicine and Health, Manchester Academic Health Science Centre University of Manchester Manchester UK
| | - Douglas P Dyer
- Wellcome Centre for Cell‐Matrix Research, Lydia Becker Institute of Immunology and Inflammation, Faculty of Biology, Medicine and Health, Manchester Academic Health Science Centre University of Manchester Manchester UK
- Northern Care Alliance NHS Group, Geoffrey Jefferson Brain Research Centre, Manchester Academic Health Science Centre University of Manchester Manchester UK
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26
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Chemokines and chemokine receptors in allergic rhinitis: from mediators to potential therapeutic targets. Eur Arch Otorhinolaryngol 2022; 279:5089-5095. [PMID: 35732904 DOI: 10.1007/s00405-022-07485-6] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2022] [Accepted: 05/30/2022] [Indexed: 02/01/2023]
Abstract
Allergic rhinitis (AR) is an immune-mediated inflammatory condition characterized by immune cell infiltration of the nasal mucosa, with symptoms of rhinorrhea, sneezing, nasal obstruction, and itchiness. Currently, common medication for AR is anti-inflammatory treatment including intranasal steroids, oral, or intranasal anti-histamines, and immunotherapy. These strategies are effective to the majority of patients with AR, but some patients under medication cannot achieve symptom relieve and suffer from bothersome side effects, indicating a demand for novel anti-inflammatory treatment as alternatives. Chemokines, a complex superfamily of small, secreted proteins, were initially recognized for their chemotactic effects on various immune cells. Chemokines constitute both physiological and inflammatory cell positioning systems and mediate cell localization to certain sites via interaction with their receptors, which are expressed on responding cells. Chemokines and their receptors participate in the sensitization, early phase response, and late phase response of AR by promoting inflammatory cell recruitment, differentiation, and allergic mediator release. In this review, we first systemically summarize chemokines and chemokine receptors that are important in AR pathophysiology and then discuss potential strategies targeting chemokines and their receptors for AR therapy.
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27
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Medina-Ruiz L, Bartolini R, Wilson GJ, Dyer DP, Vidler F, Hughes CE, Schuette F, Love S, Pingen M, Hayes AJ, Fu J, Stewart AF, Graham GJ. Analysis of combinatorial chemokine receptor expression dynamics using multi-receptor reporter mice. eLife 2022; 11:72418. [PMID: 35699420 PMCID: PMC9236609 DOI: 10.7554/elife.72418] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2021] [Accepted: 05/23/2022] [Indexed: 12/17/2022] Open
Abstract
Inflammatory chemokines and their receptors are central to the development of inflammatory/immune pathologies. The apparent complexity of this system, coupled with lack of appropriate in vivo models, has limited our understanding of how chemokines orchestrate inflammatory responses and has hampered attempts at targeting this system in inflammatory disease. Novel approaches are therefore needed to provide crucial biological, and therapeutic, insights into the chemokine-chemokine receptor family. Here, we report the generation of transgenic multi-chemokine receptor reporter mice in which spectrally distinct fluorescent reporters mark expression of CCRs 1, 2, 3, and 5, key receptors for myeloid cell recruitment in inflammation. Analysis of these animals has allowed us to define, for the first time, individual and combinatorial receptor expression patterns on myeloid cells in resting and inflamed conditions. Our results demonstrate that chemokine receptor expression is highly specific, and more selective than previously anticipated.
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Affiliation(s)
- Laura Medina-Ruiz
- Chemokine Research Group, Institute of Infection, Immunity and Inflammation, College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow, United Kingdom
| | - Robin Bartolini
- Chemokine Research Group, Institute of Infection, Immunity and Inflammation, College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow, United Kingdom
| | - Gillian J Wilson
- Chemokine Research Group, Institute of Infection, Immunity and Inflammation, College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow, United Kingdom
| | - Douglas P Dyer
- Chemokine Research Group, Institute of Infection, Immunity and Inflammation, College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow, United Kingdom
| | - Francesca Vidler
- Chemokine Research Group, Institute of Infection, Immunity and Inflammation, College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow, United Kingdom.,Center for Molecular and Cellular Bioengineering, Biotechnology Center, Technische Universität Dresden, Dresden, Germany
| | - Catherine E Hughes
- Chemokine Research Group, Institute of Infection, Immunity and Inflammation, College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow, United Kingdom
| | - Fabian Schuette
- Chemokine Research Group, Institute of Infection, Immunity and Inflammation, College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow, United Kingdom
| | - Samantha Love
- Chemokine Research Group, Institute of Infection, Immunity and Inflammation, College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow, United Kingdom
| | - Marieke Pingen
- Chemokine Research Group, Institute of Infection, Immunity and Inflammation, College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow, United Kingdom
| | - Alan James Hayes
- Chemokine Research Group, Institute of Infection, Immunity and Inflammation, College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow, United Kingdom
| | - Jun Fu
- Center for Molecular and Cellular Bioengineering, Biotechnology Center, Technische Universität Dresden, Dresden, Germany.,Shandong University-Helmholtz Institute of Biotechnology, State Key Laboratory of Microbial Technology, School of Life Science, Shandong University, Shandong, China
| | - Adrian Francis Stewart
- Center for Molecular and Cellular Bioengineering, Biotechnology Center, Technische Universität Dresden, Dresden, Germany.,Max-Planck-Institute for Cell Biology and Genetics, Dresden, Germany
| | - Gerard J Graham
- Chemokine Research Group, Institute of Infection, Immunity and Inflammation, College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow, United Kingdom
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28
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Purvis GSD, Aranda‐Tavio H, Channon KM, Greaves DR. Bruton's TK regulates myeloid cell recruitment during acute inflammation. Br J Pharmacol 2022; 179:2754-2770. [PMID: 34897650 PMCID: PMC9361009 DOI: 10.1111/bph.15778] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2021] [Revised: 10/27/2021] [Accepted: 11/08/2021] [Indexed: 11/29/2022] Open
Abstract
BACKGROUND AND PURPOSE Bruton's TK (BTK) is a non-receptor kinase best known for its role in B lymphocyte development that is critical for proliferation and survival of leukaemic cells in B-cell malignancies. However, BTK is expressed in myeloid cells, particularly neutrophils, monocytes and macrophages where its inhibition has been reported to cause anti-inflammatory properties. EXPERIMENTAL APPROACH We explored the role of BTK on migration of myeloid cells (neutrophils, monocytes and macrophages), in vitro using chemotaxis assays and in vivo using zymosan-induced peritonitis as model systems. KEY RESULTS Using the zymosan-induced peritonitis model of sterile inflammation, we demonstrated that acute inhibition of BTK prior to zymosan challenge reduced phosphorylation of BTK in circulating neutrophils and monocytes. Moreover, pharmacological inhibition of BTK with ibrutinib specifically inhibited neutrophil and Ly6Chi monocytes, but not Ly6Clo monocyte recruitment to the peritoneum. X-linked immunodeficient (XID) mice, which have a point mutation in the Btk gene, had reduced neutrophil and monocyte recruitment to the peritoneum following zymosan challenge. Pharmacological or genetic inhibition of BTK signalling substantially reduced human monocyte and murine macrophage chemotaxis, to a range of clinically relevant chemoattractants (C5a and CCL2). We also demonstrated that inhibition of BTK in tissue resident macrophages significantly decreases chemokine secretion by reducing NF-κB activity and Akt signalling. CONCLUSION AND IMPLICATIONS Our work has identified a new role of BTK in regulating myeloid cell recruitment via two mechanisms, reducing monocyte/macrophages' ability to undergo chemotaxis and reducing chemokine secretion, via reduced NF-κB and Akt activity in tissue resident macrophages.
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Affiliation(s)
- Gareth S. D. Purvis
- Sir William Dunn School of PathologyUniversity of OxfordOxfordUK
- BHF Centre of Research ExcellenceUniversity of OxfordOxfordUK
| | | | - Keith M. Channon
- BHF Centre of Research ExcellenceUniversity of OxfordOxfordUK
- Wellcome Centre for Human GeneticsUniversity of OxfordOxfordUK
- Department of Cardiovascular Medicine, Radcliffe Department of MedicineJohn Radcliffe HospitalOxfordUK
| | - David R. Greaves
- Sir William Dunn School of PathologyUniversity of OxfordOxfordUK
- BHF Centre of Research ExcellenceUniversity of OxfordOxfordUK
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29
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Georgakis MK, Bernhagen J, Heitman LH, Weber C, Dichgans M. Targeting the CCL2-CCR2 axis for atheroprotection. Eur Heart J 2022; 43:1799-1808. [PMID: 35567558 DOI: 10.1093/eurheartj/ehac094] [Citation(s) in RCA: 56] [Impact Index Per Article: 28.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/16/2021] [Revised: 12/22/2021] [Accepted: 02/15/2022] [Indexed: 11/12/2022] Open
Abstract
Decades of research have established atherosclerosis as an inflammatory disease. Only recently though, clinical trials provided proof-of-concept evidence for the efficacy of anti-inflammatory strategies with respect to cardiovascular events, thus offering a new paradigm for lowering residual vascular risk. Efforts to target the inflammasome-interleukin-1β-interleukin-6 pathway have been highly successful, but inter-individual variations in drug response, a lack of reduction in all-cause mortality, and a higher rate of infections also highlight the need for a second generation of anti-inflammatory agents targeting atherosclerosis-specific immune mechanisms while minimizing systemic side effects. CC-motif chemokine ligand 2/monocyte-chemoattractant protein-1 (CCL2/MCP-1) orchestrates inflammatory monocyte trafficking between the bone marrow, circulation, and atherosclerotic plaques by binding to its cognate receptor CCR2. Adding to a strong body of data from experimental atherosclerosis models, a coherent series of recent large-scale genetic and observational epidemiological studies along with data from human atherosclerotic plaques highlight the relevance and therapeutic potential of the CCL2-CCR2 axis in human atherosclerosis. Here, we summarize experimental and human data pinpointing the CCL2-CCR2 pathway as an emerging drug target in cardiovascular disease. Furthermore, we contextualize previous efforts to interfere with this pathway, scrutinize approaches of ligand targeting vs. receptor targeting, and discuss possible pathway-intrinsic opportunities and challenges related to pharmacological targeting of the CCL2-CCR2 axis in human atherosclerotic disease.
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Affiliation(s)
- Marios K Georgakis
- Institute for Stroke and Dementia Research (ISD), University Hospital, LMU Munich, D-81377 Munich, Germany
- Center of Genomic Medicine, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
- Program in Medical and Population Genetics, Broad Institute of MIT and Harvard, Cambridge, MA, USA
| | - Jürgen Bernhagen
- Institute for Stroke and Dementia Research (ISD), University Hospital, LMU Munich, D-81377 Munich, Germany
- Munich Cluster for Systems Neurology (SyNergy), Munich, Germany
- German Center for Cardiovascular Research (DZHK), Partner Site Munich Heart Alliance, Munich, Germany
| | - Laura H Heitman
- Division of Drug Discovery and Safety, Leiden Academic Centre for Drug Research, Leiden University, Leiden, The Netherlands
- Oncode Institute, Utrecht, The Netherlands
| | - Christian Weber
- Munich Cluster for Systems Neurology (SyNergy), Munich, Germany
- German Center for Cardiovascular Research (DZHK), Partner Site Munich Heart Alliance, Munich, Germany
- Institute for Cardiovascular Prevention (IPEK), Ludwig-Maximilians-Universität (LMU) Munich, Germany
- Institute for Genetic and Biomedical Research, UoS of Milan, National Research Council, Milan, Italy
- Department of Biochemistry, Cardiovascular Research Institute Maastricht (CARIM), Maastricht University, Maastricht, The Netherlands
| | - Martin Dichgans
- Institute for Stroke and Dementia Research (ISD), University Hospital, LMU Munich, D-81377 Munich, Germany
- Munich Cluster for Systems Neurology (SyNergy), Munich, Germany
- German Centre for Neurodegenerative Diseases (DZNE), Munich, Germany
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30
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Yang H, Sun Y, Li Q, Jin F, Dai Y. Diverse Epigenetic Regulations of Macrophages in Atherosclerosis. Front Cardiovasc Med 2022; 9:868788. [PMID: 35425818 PMCID: PMC9001883 DOI: 10.3389/fcvm.2022.868788] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2022] [Accepted: 03/04/2022] [Indexed: 02/05/2023] Open
Abstract
Emerging research on epigenetics has resulted in many novel discoveries in atherosclerosis (AS), an inflammaging-associated disease characterized by chronic inflammation primarily driven by macrophages. The bulk of evidence has demonstrated the central role of epigenetic machinery in macrophage polarization to pro- (M1-like) or anti-inflammatory (M2-like) phenotype. An increasing number of epigenetic alterations and their modifiers involved in reprogramming macrophages by regulating DNA methylation or histone modifications (e.g., methylation, acetylation, and recently lactylation) have been identified. They may act to determine or skew the direction of macrophage polarization in AS lesions, thereby representing a promising target. Here we describe the current understanding of the epigenetic machinery involving macrophage polarization, to shed light on chronic inflammation-driving onset and progression of inflammaging-associated diseases, using AS as a prototypic example, and discuss the challenge for developing effective therapies targeting the epigenetic modifiers against these diseases, particularly highlighting a potential strategy based on epigenetically-governed repolarization from M1-like to M2-like phenotype.
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Affiliation(s)
- Hongmei Yang
- Laboratory of Cancer Precision Medicine, The First Hospital of Jilin University, Changchun, China.,Department of Critical Care Medicine, The First Hospital of Jilin University, Changchun, China
| | - Yue Sun
- Laboratory of Cancer Precision Medicine, The First Hospital of Jilin University, Changchun, China
| | - Qingchao Li
- Laboratory of Cancer Precision Medicine, The First Hospital of Jilin University, Changchun, China
| | - Fengyan Jin
- Department of Hematology, The First Hospital of Jilin University, Changchun, China
| | - Yun Dai
- Laboratory of Cancer Precision Medicine, The First Hospital of Jilin University, Changchun, China
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31
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A Scintillation Proximity Assay for Real-Time Kinetic Analysis of Chemokine–Chemokine Receptor Interactions. Cells 2022; 11:cells11081317. [PMID: 35455996 PMCID: PMC9024993 DOI: 10.3390/cells11081317] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2022] [Revised: 04/05/2022] [Accepted: 04/11/2022] [Indexed: 11/23/2022] Open
Abstract
Chemokine receptors are extensively involved in a broad range of physiological and pathological processes, making them attractive drug targets. However, despite considerable efforts, there are very few approved drugs targeting this class of seven transmembrane domain receptors to date. In recent years, the importance of including binding kinetics in drug discovery campaigns was emphasized. Therefore, kinetic insight into chemokine–chemokine receptor interactions could help to address this issue. Moreover, it could additionally deepen our understanding of the selectivity and promiscuity of the chemokine–chemokine receptor network. Here, we describe the application, optimization and validation of a homogenous Scintillation Proximity Assay (SPA) for real-time kinetic profiling of chemokine–chemokine receptor interactions on the example of ACKR3 and CXCL12. The principle of the SPA is the detection of radioligand binding to receptors reconstituted into nanodiscs by scintillation light. No receptor modifications are required. The nanodiscs provide a native-like environment for receptors and allow for full control over bilayer composition and size. The continuous assay format enables the monitoring of binding reactions in real-time, and directly accounts for non-specific binding and potential artefacts. Minor adaptations additionally facilitate the determination of equilibrium binding metrics, making the assay a versatile tool for the study of receptor–ligand interactions.
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32
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Billen M, Schols D, Verwilst P. Targeting chemokine receptors from the inside-out: discovery and development of small-molecule intracellular antagonists. Chem Commun (Camb) 2022; 58:4132-4148. [PMID: 35274633 DOI: 10.1039/d1cc07080k] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Ever since the first biologically active chemokines were discovered in the late 1980s, these messenger proteins and their receptors have been the target for a plethora of drug discovery efforts in the pharmaceutical industry, as well as in academia. Owing to the publication of several chemokine receptor X-ray crystal structures, a highly druggable, intracellular, allosteric binding site which partially overlaps with the G protein binding site was discovered. This intriguing, new approach for chemokine receptor antagonism has captured researchers around the world, pushing the exploration of this intracellular binding site and new antagonists thereof. In this review, we have highlighted the past two decades of research on small-molecule chemokine receptor antagonists that modulate receptor function at the intracellular binding site.
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Affiliation(s)
- Margaux Billen
- KU Leuven, Rega Institute for Medical Research, Medicinal Chemistry, Herestraat 49 - Box 1041, 3000 Leuven, Belgium.
| | - Dominique Schols
- KU Leuven, Rega Institute for Medical Research, Virology and Chemotherapy, Herestraat 49 - Box 1041, 3000 Leuven, Belgium
| | - Peter Verwilst
- KU Leuven, Rega Institute for Medical Research, Medicinal Chemistry, Herestraat 49 - Box 1041, 3000 Leuven, Belgium.
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33
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Larsen O, van der Velden WJC, Mavri M, Schuermans S, Rummel PC, Karlshøj S, Gustavsson M, Proost P, Våbenø J, Rosenkilde MM. Identification of a conserved chemokine receptor motif that enables ligand discrimination. Sci Signal 2022; 15:eabg7042. [PMID: 35258997 DOI: 10.1126/scisignal.abg7042] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Extensive ligand-receptor promiscuity in the chemokine signaling system balances beneficial redundancy and specificity. However, this feature poses a major challenge to selectively modulate the system pharmacologically. Here, we identified a conserved cluster of three aromatic receptor residues that anchors the second extracellular loop (ECL2) to the top of receptor transmembrane helices (TM) 4 and 5 and enables recognition of both shared and specific characteristics of interacting chemokines. This cluster was essential for the activation of several chemokine receptors. Furthermore, characteristic motifs of the ß1 strand and 30s loop make the two main CC-chemokine subgroups-the macrophage inflammatory proteins (MIPs) and monocyte chemoattractant proteins (MCPs)-differentially dependent on this cluster in the promiscuous receptors CCR1, CCR2, and CCR5. The cluster additionally enabled CCR1 and CCR5 to discriminate between closely related MIPs based on the N terminus of the chemokine. G protein signaling and β-arrestin2 recruitment assays confirmed the importance of the conserved cluster in receptor discrimination of chemokine ligands. This extracellular site may facilitate the development of chemokine-related therapeutics.
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Affiliation(s)
- Olav Larsen
- Laboratory for Molecular Pharmacology, Department of Biomedical Sciences, Faculty of Health and Medical Sciences, University of Copenhagen, 2200 Copenhagen, Denmark.,Laboratory of Molecular Immunology, Department of Microbiology, Immunology and Transplantation, Rega Institute for Medical Research, KU Leuven, 3000 Leuven, Belgium
| | - Wijnand J C van der Velden
- Laboratory for Molecular Pharmacology, Department of Biomedical Sciences, Faculty of Health and Medical Sciences, University of Copenhagen, 2200 Copenhagen, Denmark
| | - Maša Mavri
- Laboratory for Molecular Pharmacology, Department of Biomedical Sciences, Faculty of Health and Medical Sciences, University of Copenhagen, 2200 Copenhagen, Denmark.,Institute of Preclinical Sciences, Veterinary Faculty, University of Ljubljana, Gerbičeva 60, 1000 Ljubljana, Slovenia
| | - Sara Schuermans
- Laboratory for Molecular Pharmacology, Department of Biomedical Sciences, Faculty of Health and Medical Sciences, University of Copenhagen, 2200 Copenhagen, Denmark.,Laboratory of Molecular Immunology, Department of Microbiology, Immunology and Transplantation, Rega Institute for Medical Research, KU Leuven, 3000 Leuven, Belgium
| | - Pia C Rummel
- Laboratory for Molecular Pharmacology, Department of Biomedical Sciences, Faculty of Health and Medical Sciences, University of Copenhagen, 2200 Copenhagen, Denmark
| | - Stefanie Karlshøj
- Laboratory for Molecular Pharmacology, Department of Biomedical Sciences, Faculty of Health and Medical Sciences, University of Copenhagen, 2200 Copenhagen, Denmark
| | - Martin Gustavsson
- Laboratory for Molecular Pharmacology, Department of Biomedical Sciences, Faculty of Health and Medical Sciences, University of Copenhagen, 2200 Copenhagen, Denmark
| | - Paul Proost
- Laboratory of Molecular Immunology, Department of Microbiology, Immunology and Transplantation, Rega Institute for Medical Research, KU Leuven, 3000 Leuven, Belgium
| | - Jon Våbenø
- Helgeland Hospital Trust, Prestmarkveien 1, 8800 Sandnessjøen, Norway
| | - Mette M Rosenkilde
- Laboratory for Molecular Pharmacology, Department of Biomedical Sciences, Faculty of Health and Medical Sciences, University of Copenhagen, 2200 Copenhagen, Denmark
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Brandum EP, Jørgensen AS, Calvo MB, Spiess K, Peterson FC, Yang Z, Volkman BF, Veldkamp CT, Rosenkilde MM, Goth CK, Hjortø GM. Selective Boosting of CCR7-Acting Chemokines; Short Peptides Boost Chemokines with Short Basic Tails, Longer Peptides Boost Chemokines with Long Basic Tails. Int J Mol Sci 2022; 23:ijms23031397. [PMID: 35163323 PMCID: PMC8836243 DOI: 10.3390/ijms23031397] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2021] [Revised: 01/23/2022] [Accepted: 01/24/2022] [Indexed: 02/01/2023] Open
Abstract
The chemokine receptor CCR7 and its ligands CCL19 and CCL21 regulate the lymph node homing of dendritic cells and naïve T-cells and the following induction of a motile DC-T cell priming state. Although CCL19 and CCL21 bind CCR7 with similar affinities, CCL21 is a weak agonist compared to CCL19. Using a chimeric chemokine, CCL19CCL21N-term|C-term, harboring the N-terminus and the C-terminus of CCL21 attached to the core domain of CCL19, we show that these parts of CCL21 act in a synergistic manner to lower ligand potency and determine the way CCL21 engages with CCR7. We have published that a naturally occurring basic C-terminal fragment of CCL21 (C21TP) boosts the signaling of both CCL19 and CCL21. Boosting occurs as a direct consequence of C21TP binding to the CCR7 N-terminus, which seems to free chemokines with basic C-termini from an unfavorable interaction with negatively charged posttranslational modifications in CCR7. Here, we confirm this using a CCL19-variant lacking the basic C-terminus. This variant displays a 22-fold higher potency at CCR7 compared to WT CCL19 and is highly unaffected by the presence of C21TP. WT CCL19 has a short basic C-terminus, CCL21 a longer one. Here, we propose a way to differentially boost CCL19 and CCL21 activity as short and long versions of C21TP boost CCL19 activity, whereas only a long C21TP version can boost chemokines with a full-length CCL21 C-terminus.
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Affiliation(s)
- Emma Probst Brandum
- Department of Biomedical Sciences, University of Copenhagen, 2200 Copenhagen, Denmark; (E.P.B.); (A.S.J.); (K.S.); (M.M.R.); (C.K.G.)
| | - Astrid Sissel Jørgensen
- Department of Biomedical Sciences, University of Copenhagen, 2200 Copenhagen, Denmark; (E.P.B.); (A.S.J.); (K.S.); (M.M.R.); (C.K.G.)
| | | | - Katja Spiess
- Department of Biomedical Sciences, University of Copenhagen, 2200 Copenhagen, Denmark; (E.P.B.); (A.S.J.); (K.S.); (M.M.R.); (C.K.G.)
- Virus and Microbiological Special Diagnostics, Statens Serum Institut, 2300 Copenhagen, Denmark
| | - Francis C. Peterson
- Department of Biochemistry, Medical College of Wisconsin, Milwaukee, WI 53226, USA; (F.C.P.); (B.F.V.)
| | - Zhang Yang
- Copenhagen Center for Glycomics, University of Copenhagen, Noerregade 10, 1165 Copenhagen, Denmark;
| | - Brian F. Volkman
- Department of Biochemistry, Medical College of Wisconsin, Milwaukee, WI 53226, USA; (F.C.P.); (B.F.V.)
| | | | - Mette Marie Rosenkilde
- Department of Biomedical Sciences, University of Copenhagen, 2200 Copenhagen, Denmark; (E.P.B.); (A.S.J.); (K.S.); (M.M.R.); (C.K.G.)
| | - Christoffer Knak Goth
- Department of Biomedical Sciences, University of Copenhagen, 2200 Copenhagen, Denmark; (E.P.B.); (A.S.J.); (K.S.); (M.M.R.); (C.K.G.)
| | - Gertrud Malene Hjortø
- Department of Biomedical Sciences, University of Copenhagen, 2200 Copenhagen, Denmark; (E.P.B.); (A.S.J.); (K.S.); (M.M.R.); (C.K.G.)
- Correspondence: ; Tel.: +45-29-869220
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GPR182 limits antitumor immunity via chemokine scavenging in mouse melanoma models. Nat Commun 2022; 13:97. [PMID: 35013216 PMCID: PMC8748779 DOI: 10.1038/s41467-021-27658-x] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2021] [Accepted: 12/03/2021] [Indexed: 01/16/2023] Open
Abstract
For many solid tumors, immune checkpoint blockade therapy has become first line treatment, yet a large proportion of patients with immunologically cold tumors do not benefit due to the paucity of tumor infiltrating lymphocytes. Here we show that the orphan G Protein-Coupled Receptor 182 (GPR182) contributes to immunotherapy resistance in cancer via scavenging chemokines that are important for lymphocyte recruitment to tumors. GPR182 is primarily upregulated in melanoma-associated lymphatic endothelial cells (LECs) during tumorigenesis, and this atypical chemokine receptor endocytoses chemokines promiscuously. In GPR182-deficient mice, T cell infiltration into transplanted melanomas increases, leading to enhanced effector T cell function and improved antitumor immunity. Ablation of GPR182 leads to increased intratumoral concentrations of multiple chemokines and thereby sensitizes poorly immunogenic tumors to immune checkpoint blockade and adoptive cellular therapies. CXCR3 blockade reverses the improved antitumor immunity and T cell infiltration characteristic of GPR182-deficient mice. Our study thus identifies GPR182 as an upstream regulator of the CXCL9/CXCL10/CXCR3 axis that limits antitumor immunity and as a potential therapeutic target in immunologically cold tumors. Immunologically cold tumours don’t respond to immune checkpoint blockade inhibition due to poor recruitment of anti-tumour T cells. Authors show here that melanoma-associated lymphatic endothelial cells express G Protein-Coupled Receptor 182 that scavenges CXCL9 and other chemokines necessary for T cell recruitment.
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Identification and mechanism of G protein-biased ligands for chemokine receptor CCR1. Nat Chem Biol 2022; 18:264-271. [PMID: 34949837 PMCID: PMC8885419 DOI: 10.1038/s41589-021-00918-z] [Citation(s) in RCA: 31] [Impact Index Per Article: 15.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2021] [Accepted: 10/12/2021] [Indexed: 02/06/2023]
Abstract
Biased signaling of G protein-coupled receptors describes an ability of different ligands that preferentially activate an alternative downstream signaling pathway. In this work, we identified and characterized different N-terminal truncations of endogenous chemokine CCL15 as balanced or biased agonists targeting CCR1, and presented three cryogenic-electron microscopy structures of the CCR1-Gi complex in the ligand-free form or bound to different CCL15 truncations with a resolution of 2.6-2.9 Å, illustrating the structural basis of natural biased signaling that initiates an inflammation response. Complemented with pharmacological and computational studies, these structures revealed it was the conformational change of Tyr291 (Y2917.43) in CCR1 that triggered its polar network rearrangement in the orthosteric binding pocket and allosterically regulated the activation of β-arrestin signaling. Our structure of CCL15-bound CCR1 also exhibited a critical site for ligand binding distinct from many other chemokine-receptor complexes, providing new insights into the mode of chemokine recognition.
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37
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Karin N. Chemokines in the Landscape of Cancer Immunotherapy: How They and Their Receptors Can Be Used to Turn Cold Tumors into Hot Ones? Cancers (Basel) 2021; 13:6317. [PMID: 34944943 PMCID: PMC8699256 DOI: 10.3390/cancers13246317] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2021] [Revised: 12/13/2021] [Accepted: 12/14/2021] [Indexed: 02/07/2023] Open
Abstract
Over the last decade, monoclonal antibodies to immune checkpoint inhibitors (ICI), also known as immune checkpoint blockers (ICB), have been the most successful approach for cancer therapy. Starting with mAb to cytotoxic T lymphocyte antigen 4 (CTLA-4) inhibitors in metastatic melanoma and continuing with blockers of the interactions between program cell death 1 (PD-1) and its ligand program cell death ligand 1 (PDL-1) or program cell death ligand 2 (PDL-2), that have been approved for about 20 different indications. Yet for many cancers, ICI shows limited success. Several lines of evidence imply that the limited success in cancer immunotherapy is associated with attempts to treat patients with "cold tumors" that either lack effector T cells, or in which these cells are markedly suppressed by regulatory T cells (Tregs). Chemokines are a well-defined group of proteins that were so named due to their chemotactic properties. The current review focuses on key chemokines that not only attract leukocytes but also shape their biological properties. CXCR3 is a chemokine receptor with 3 ligands. We suggest using Ig-based fusion proteins of two of them: CXL9 and CXCL10, to enhance anti-tumor immunity and perhaps transform cold tumors into hot tumors. Potential differences between CXCL9 and CXCL10 regarding ICI are discussed. We also discuss the possibility of targeting the function or deleting a key subset of Tregs that are CCR8+ by monoclonal antibodies to CCR8. These cells are preferentially abundant in several tumors and are likely to be the key drivers in suppressing anti-cancer immune reactivity.
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Affiliation(s)
- Nathan Karin
- Department of Immunology, Faculty of Medicine, Technion, P.O. Box 9697, Haifa 31096, Israel
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38
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Márquez AB, van der Vorst EPC, Maas SL. Key Chemokine Pathways in Atherosclerosis and Their Therapeutic Potential. J Clin Med 2021; 10:3825. [PMID: 34501271 PMCID: PMC8432216 DOI: 10.3390/jcm10173825] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2021] [Revised: 08/20/2021] [Accepted: 08/20/2021] [Indexed: 12/24/2022] Open
Abstract
The search to improve therapies to prevent or treat cardiovascular diseases (CVDs) rages on, as CVDs remain a leading cause of death worldwide. Here, the main cause of CVDs, atherosclerosis, and its prevention, take center stage. Chemokines and their receptors have long been known to play an important role in the pathophysiological development of atherosclerosis. Their role extends from the initiation to the progression, and even the potential regression of atherosclerotic lesions. These important regulators in atherosclerosis are therefore an obvious target in the development of therapeutic strategies. A plethora of preclinical studies have assessed various possibilities for targeting chemokine signaling via various approaches, including competitive ligands and microRNAs, which have shown promising results in ameliorating atherosclerosis. Developments in the field also include detailed imaging with tracers that target specific chemokine receptors. Lastly, clinical trials revealed the potential of various therapies but still require further investigation before commencing clinical use. Although there is still a lot to be learned and investigated, it is clear that chemokines and their receptors present attractive yet extremely complex therapeutic targets. Therefore, this review will serve to provide a general overview of the connection between various chemokines and their receptors with atherosclerosis. The different developments, including mouse models and clinical trials that tackle this complex interplay will also be explored.
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Affiliation(s)
- Andrea Bonnin Márquez
- Institute for Molecular Cardiovascular Research (IMCAR), RWTH Aachen University, 52074 Aachen, Germany;
- Interdisciplinary Center for Clinical Research (IZKF), RWTH Aachen University, 52074 Aachen, Germany
- Department of Pathology, Cardiovascular Research Institute Maastricht (CARIM), Maastricht University Medical Centre, 6229 ER Maastricht, The Netherlands
| | - Emiel P. C. van der Vorst
- Institute for Molecular Cardiovascular Research (IMCAR), RWTH Aachen University, 52074 Aachen, Germany;
- Interdisciplinary Center for Clinical Research (IZKF), RWTH Aachen University, 52074 Aachen, Germany
- Department of Pathology, Cardiovascular Research Institute Maastricht (CARIM), Maastricht University Medical Centre, 6229 ER Maastricht, The Netherlands
- Institute for Cardiovascular Prevention (IPEK), Ludwig-Maximilians-University Munich, 80336 Munich, Germany
- German Centre for Cardiovascular Research (DZHK), Partner Site Munich Heart Alliance, 80336 Munich, Germany
| | - Sanne L. Maas
- Institute for Molecular Cardiovascular Research (IMCAR), RWTH Aachen University, 52074 Aachen, Germany;
- Interdisciplinary Center for Clinical Research (IZKF), RWTH Aachen University, 52074 Aachen, Germany
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Bonfiglio CA, Weber C, Atzler D, Lutgens E. Immunotherapy and cardiovascular diseases (CVD): novel avenues for immunotherapeutic approaches. QJM 2021; 116:271-278. [PMID: 34293177 DOI: 10.1093/qjmed/hcab207] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/02/2021] [Revised: 06/27/2021] [Indexed: 12/20/2022] Open
Abstract
As current therapies for cardiovascular disease (CVD), predominantly based on lipid lowering, still face an unacceptable residual risk, novel treatment strategies are being explored. Besides lipids, inflammatory processes play a major role in the pathogenesis of atherosclerosis, the underlying cause of the majority of CVD. The first clinical trials targeting the interleukin-1β-inflammasome axis have shown that targeting this pathway is successful in reducing cardiovascular events but did not decrease overall CVD mortality. Hence, novel and improved immunotherapeutics to treat CVD are being awaited. In this review we highlight novel immunotherapeutic approaches in CVD as well as future challenges ahead.
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Affiliation(s)
- Cecilia Assunta Bonfiglio
- Institute for Cardiovascular Prevention (IPEK), Ludwig-Maximilians-Universität, Pettenkoferstraße 8a & 9, Munich, 80336, Germany
| | - Christian Weber
- Institute for Cardiovascular Prevention (IPEK), Ludwig-Maximilians-Universität, Pettenkoferstraße 8a & 9, Munich, 80336, Germany
- German Centre for Cardiovascular Research (DZHK), partner site Munich Heart Alliance, Pettenkoferstraße 8a & 9, Munich, 80336, Germany
- Department of Biochemistry, Cardiovascular Research Institute Maastricht (CARIM), Universiteitssingel 50, 6229 ER, Maastricht University, Maastricht, the Netherlands
- Munich Cluster for Systems Neurology (SyNergy), Munich, Germany
| | - Dorothee Atzler
- Institute for Cardiovascular Prevention (IPEK), Ludwig-Maximilians-Universität, Pettenkoferstraße 8a & 9, Munich, 80336, Germany
- German Centre for Cardiovascular Research (DZHK), partner site Munich Heart Alliance, Pettenkoferstraße 8a & 9, Munich, 80336, Germany
- Walther-Straub-Institute of Pharmacology and Toxicology, Ludwig-Maximilians-Universität, Goethestraße 33D, Munich, 80336, Germany
| | - Esther Lutgens
- Institute for Cardiovascular Prevention (IPEK), Ludwig-Maximilians-Universität, Pettenkoferstraße 8a & 9, Munich, 80336, Germany
- German Centre for Cardiovascular Research (DZHK), partner site Munich Heart Alliance, Pettenkoferstraße 8a & 9, Munich, 80336, Germany
- Department of Medical Biochemistry, Amsterdam Cardiovascular Sciences (ACS), Amsterdam University Medical Centers, University of Amsterdam, Room K1-110, Meibergdreef 15, AZ Amsterdam, 1105, The Netherlands
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40
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Yang MG, Xiao Z, Zhao R, Tebben AJ, Wang B, Cherney RJ, Batt DG, Brown GD, Cvijic ME, Duncia JV, Gallela MA, Gardner DS, Khandelwal P, Malley MF, Pang J, Rose AV, Santella JB, Sarjeant AA, Xu S, Mathur A, Mandlekar S, Vuppugalla R, Zhao Q, Carter PH. Discovery of BMS-753426: A Potent Orally Bioavailable Antagonist of CC Chemokine Receptor 2. ACS Med Chem Lett 2021; 12:969-975. [PMID: 34141082 DOI: 10.1021/acsmedchemlett.1c00082] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2021] [Accepted: 05/20/2021] [Indexed: 12/18/2022] Open
Abstract
To improve the metabolic stability profile of BMS-741672 (1a), we undertook a structure-activity relationship study in our trisubstituted cyclohexylamine series. This ultimately led to the identification of 2d (BMS-753426) as a potent and orally bioavailable antagonist of CCR2. Compared to previous clinical candidate 1a, the tert-butyl amine 2d showed significant improvements in pharmacokinetic properties, with lower clearance and higher oral bioavailability. Furthermore, compound 2d exhibited improved affinity for CCR5 and good activity in models of both monocyte migration and multiple sclerosis in the hCCR2 knock-in mouse. The synthesis of 2d was facilitated by the development of a simplified approach to key intermediate (4R)-9b that deployed a stereoselective reductive amination which may prove to be of general interest.
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Affiliation(s)
- Michael G. Yang
- Research and Development, Bristol Myers Squibb Company, Princeton, New Jersey 08543-4000, United States
| | - Zili Xiao
- Research and Development, Bristol Myers Squibb Company, Princeton, New Jersey 08543-4000, United States
| | - Rulin Zhao
- Research and Development, Bristol Myers Squibb Company, Princeton, New Jersey 08543-4000, United States
| | - Andrew J. Tebben
- Research and Development, Bristol Myers Squibb Company, Princeton, New Jersey 08543-4000, United States
| | - Bei Wang
- Research and Development, Bristol Myers Squibb Company, Princeton, New Jersey 08543-4000, United States
| | - Robert J. Cherney
- Research and Development, Bristol Myers Squibb Company, Princeton, New Jersey 08543-4000, United States
| | - Douglas G. Batt
- Research and Development, Bristol Myers Squibb Company, Princeton, New Jersey 08543-4000, United States
| | - Gregory D. Brown
- Research and Development, Bristol Myers Squibb Company, Princeton, New Jersey 08543-4000, United States
| | - Mary Ellen Cvijic
- Research and Development, Bristol Myers Squibb Company, Princeton, New Jersey 08543-4000, United States
| | - John V. Duncia
- Research and Development, Bristol Myers Squibb Company, Princeton, New Jersey 08543-4000, United States
| | - Michael A. Gallela
- Research and Development, Bristol Myers Squibb Company, Princeton, New Jersey 08543-4000, United States
| | - Daniel S. Gardner
- Research and Development, Bristol Myers Squibb Company, Princeton, New Jersey 08543-4000, United States
| | - Purnima Khandelwal
- Research and Development, Bristol Myers Squibb Company, Princeton, New Jersey 08543-4000, United States
| | - Mary F. Malley
- Research and Development, Bristol Myers Squibb Company, Princeton, New Jersey 08543-4000, United States
| | - Jian Pang
- Research and Development, Bristol Myers Squibb Company, Princeton, New Jersey 08543-4000, United States
| | - Anne V. Rose
- Research and Development, Bristol Myers Squibb Company, Princeton, New Jersey 08543-4000, United States
| | - Joseph B. Santella
- Research and Development, Bristol Myers Squibb Company, Princeton, New Jersey 08543-4000, United States
| | - Amy A. Sarjeant
- Research and Development, Bristol Myers Squibb Company, Princeton, New Jersey 08543-4000, United States
| | - Songmei Xu
- Research and Development, Bristol Myers Squibb Company, Princeton, New Jersey 08543-4000, United States
| | - Arvind Mathur
- Research and Development, Bristol Myers Squibb Company, Princeton, New Jersey 08543-4000, United States
| | - Sandhya Mandlekar
- Research and Development, Bristol Myers Squibb Company, Princeton, New Jersey 08543-4000, United States
| | - Ragini Vuppugalla
- Research and Development, Bristol Myers Squibb Company, Princeton, New Jersey 08543-4000, United States
| | - Qihong Zhao
- Research and Development, Bristol Myers Squibb Company, Princeton, New Jersey 08543-4000, United States
| | - Percy H. Carter
- Research and Development, Bristol Myers Squibb Company, Princeton, New Jersey 08543-4000, United States
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Latest update on chemokine receptors as therapeutic targets. Biochem Soc Trans 2021; 49:1385-1395. [PMID: 34060588 PMCID: PMC8286821 DOI: 10.1042/bst20201114] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2021] [Revised: 04/19/2021] [Accepted: 04/23/2021] [Indexed: 12/12/2022]
Abstract
The chemokine system plays a fundamental role in a diverse range of physiological processes, such as homeostasis and immune responses. Dysregulation in the chemokine system has been linked to inflammatory diseases and cancer, which renders chemokine receptors to be considered as therapeutic targets. In the past two decades, around 45 drugs targeting chemokine receptors have been developed, yet only three are clinically approved. The challenging factors include the limited understanding of aberrant chemokine signalling in malignant diseases, high redundancy of the chemokine system, differences between cell types and non-specific binding of the chemokine receptor antagonists due to the broad ligand-binding pockets. In recent years, emerging studies attempt to characterise the chemokine ligand–receptor interactions and the downstream signalling protein–protein interactions, aiming to fine tuning to the promiscuous interplay of the chemokine system for the development of precision medicine. This review will outline the updates on the mechanistic insights in the chemokine system and propose some potential strategies in the future development of targeted therapy.
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Ferrara B, Belbekhouche S, Habert D, Houppe C, Vallée B, Bourgoin-Voillard S, Cohen JL, Cascone I, Courty J. Cell surface nucleolin as active bait for nanomedicine in cancer therapy: a promising option. NANOTECHNOLOGY 2021; 32:322001. [PMID: 33892482 DOI: 10.1088/1361-6528/abfb30] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/22/2020] [Accepted: 04/23/2021] [Indexed: 06/12/2023]
Abstract
Conventional chemotherapy used against cancer is mostly limited due to their non-targeted nature, affecting normal tissue and causing undesirable toxic effects to the affected tissue. With the aim of improving these treatments both therapeutically and in terms of their safety, numerous studies are currently being carried out using nanoparticles (NPs) as a vector combining tumor targeting and carrying therapeutic tools. In this context, it appears that nucleolin, a molecule over-expressed on the surface of tumor cells, is an interesting therapeutic target. Several ligands, antagonists of nucleolin of various origins, such as AS1411, the F3 peptide and the multivalent pseudopeptide N6L have been developed and studied as therapeutic tools against cancer. Over the last ten years or so, numerous studies have been published demonstrating that these antagonists can be used as tumor targeting agents with NPs from various origins. Focusing on nucleolin ligands, the aim of this article is to review the literature recently published or under experimentation in our research team to evaluate the efficacy and future development of these tools as anti-tumor agents.
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Affiliation(s)
- Benedetta Ferrara
- Université Paris-Est Creteil, Immunorégulation et Biothérapie, INSERM U955, Hôpital Henri Mondor, F-94010 Créteil, France
| | - Sabrina Belbekhouche
- Université Paris-Est Creteil, CNRS, Institut Chimie et Matériaux Paris Est, UMR 7182, 2 Rue Henri Dunant, F-94320 Thiais, France
| | - Damien Habert
- Université Paris-Est Creteil, Immunorégulation et Biothérapie, INSERM U955, Hôpital Henri Mondor, F-94010 Créteil, France
| | - Claire Houppe
- Université Paris-Est Creteil, Immunorégulation et Biothérapie, INSERM U955, Hôpital Henri Mondor, F-94010 Créteil, France
| | - Benoit Vallée
- Université Paris-Est Creteil, Immunorégulation et Biothérapie, INSERM U955, Hôpital Henri Mondor, F-94010 Créteil, France
| | - Sandrine Bourgoin-Voillard
- Université Paris-Est Creteil, Immunorégulation et Biothérapie, INSERM U955, Hôpital Henri Mondor, F-94010 Créteil, France
- Université Grenoble Alpes, Laboratory of Fundamental and Applied Bioenergetics/Prométhée Proteomic Platform, UGA-INSERM U1055-CHUGA, Grenoble, France
- Université Grenoble Alpes, CNRS, Grenoble INP, CHU Grenoble Alpes, TIMC, PROMETHEE Proteomic Platform, Grenoble, France
| | - José L Cohen
- Université Paris-Est Creteil, Immunorégulation et Biothérapie, INSERM U955, Hôpital Henri Mondor, F-94010 Créteil, France
| | - Ilaria Cascone
- Université Paris-Est Creteil, Immunorégulation et Biothérapie, INSERM U955, Hôpital Henri Mondor, F-94010 Créteil, France
| | - José Courty
- Université Paris-Est Creteil, Immunorégulation et Biothérapie, INSERM U955, Hôpital Henri Mondor, F-94010 Créteil, France
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Midavaine É, Côté J, Sarret P. The multifaceted roles of the chemokines CCL2 and CXCL12 in osteophilic metastatic cancers. Cancer Metastasis Rev 2021; 40:427-445. [PMID: 33973098 DOI: 10.1007/s10555-021-09974-2] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/09/2021] [Accepted: 04/30/2021] [Indexed: 02/06/2023]
Abstract
Breast and prostate cancers have a great propensity to metastasize to long bones. The development of bone metastases is life-threatening, incurable, and drastically reduces patients' quality of life. The chemokines CCL2 and CXCL12 and their respective receptors, CCR2 and CXCR4, are central instigators involved in all stages leading to cancer cell dissemination and secondary tumor formation in distant target organs. They orchestrate tumor cell survival, growth and migration, tumor invasion and angiogenesis, and the formation of micrometastases in the bone marrow. The bone niche is of particular importance in metastasis formation, as it expresses high levels of CCL2 and CXCL12, which attract tumor cells and contribute to malignancy. The limited number of available effective treatment strategies highlights the need to better understand the pathophysiology of bone metastases and reduce the skeletal tumor burden in patients diagnosed with metastatic bone disease. This review focuses on the involvement of the CCL2/CCR2 and CXCL12/CXCR4 chemokine axes in the formation and development of bone metastases, as well as on therapeutic perspectives aimed at targeting these chemokine-receptor pairs.
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Affiliation(s)
- Élora Midavaine
- Department of Pharmacology and Physiology, Faculty of Medicine and Health Sciences, Institut de pharmacologie de Sherbrooke, Université de Sherbrooke, 3001, 12e Avenue Nord, Sherbrooke, QC, Canada. .,Centre de recherche du Centre hospitalier universitaire de Sherbrooke, CIUSSS de l'Estrie - CHUS, Sherbrooke, QC, Canada.
| | - Jérôme Côté
- Department of Pharmacology and Physiology, Faculty of Medicine and Health Sciences, Institut de pharmacologie de Sherbrooke, Université de Sherbrooke, 3001, 12e Avenue Nord, Sherbrooke, QC, Canada.,Centre de recherche du Centre hospitalier universitaire de Sherbrooke, CIUSSS de l'Estrie - CHUS, Sherbrooke, QC, Canada
| | - Philippe Sarret
- Department of Pharmacology and Physiology, Faculty of Medicine and Health Sciences, Institut de pharmacologie de Sherbrooke, Université de Sherbrooke, 3001, 12e Avenue Nord, Sherbrooke, QC, Canada.,Centre de recherche du Centre hospitalier universitaire de Sherbrooke, CIUSSS de l'Estrie - CHUS, Sherbrooke, QC, Canada
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44
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Shanthamurthy CD, Leviatan Ben-Arye S, Kumar NV, Yehuda S, Amon R, Woods RJ, Padler-Karavani V, Kikkeri R. Heparan Sulfate Mimetics Differentially Affect Homologous Chemokines and Attenuate Cancer Development. J Med Chem 2021; 64:3367-3380. [PMID: 33683903 DOI: 10.1021/acs.jmedchem.0c01800] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Achieving selective inhibition of chemokine activity by structurally well-defined heparan sulfate (HS) or HS mimetic molecules can provide important insights into their roles in individual physiological and pathological cellular processes. Here, we report a novel tailor-made HS mimetic, which furnishes an exclusive iduronic acid (IdoA) scaffold with different sulfation patterns and oligosaccharide chain lengths as potential ligands to target chemokines. Notably, highly sulfated-IdoA tetrasaccharide (I-45) exhibited strong binding to CCL2 chemokine thereby blocking CCL2/CCR2-mediated in vitro cancer cell invasion and metastasis. Taken together, IdoA-based HS mimetics offer an alternative HS substrate to generate selective and efficient inhibitors for chemokines and pave the way to a wide range of new therapeutic applications in cancer biology and immunology.
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Affiliation(s)
- Chethan D Shanthamurthy
- Indian Institute of Science Education and Research, Dr. Homi Bhabha Road, Pune 411008, India
| | - Shani Leviatan Ben-Arye
- Department of Cell Research and Immunology, the Shmunis School of Biomedicine and Cancer Research, the George S. Wise Faculty of Life Sciences, Tel Aviv University, Tel Aviv 69978, Israel
| | | | - Sharon Yehuda
- Department of Cell Research and Immunology, the Shmunis School of Biomedicine and Cancer Research, the George S. Wise Faculty of Life Sciences, Tel Aviv University, Tel Aviv 69978, Israel
| | - Ron Amon
- Department of Cell Research and Immunology, the Shmunis School of Biomedicine and Cancer Research, the George S. Wise Faculty of Life Sciences, Tel Aviv University, Tel Aviv 69978, Israel
| | - Robert J Woods
- Complex Carbohydrate Research Center, University of Georgia, Athens 306062 Georgia, United States
| | - Vered Padler-Karavani
- Department of Cell Research and Immunology, the Shmunis School of Biomedicine and Cancer Research, the George S. Wise Faculty of Life Sciences, Tel Aviv University, Tel Aviv 69978, Israel
| | - Raghavendra Kikkeri
- Indian Institute of Science Education and Research, Dr. Homi Bhabha Road, Pune 411008, India
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45
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Ortiz Zacarías NV, Chahal KK, Šimková T, van der Horst C, Zheng Y, Inoue A, Theunissen E, Mallee L, van der Es D, Louvel J, IJzerman AP, Handel TM, Kufareva I, Heitman LH. Design and Characterization of an Intracellular Covalent Ligand for CC Chemokine Receptor 2. J Med Chem 2021; 64:2608-2621. [PMID: 33600174 PMCID: PMC7958898 DOI: 10.1021/acs.jmedchem.0c01137] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
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Covalently acting inhibitors constitute a large and growing fraction of approved
small-molecule therapeutics as well as useful tools for a variety of in
vitro and in vivo applications. Here, we aimed to develop a
covalent antagonist of CC chemokine receptor 2 (CCR2), a class A GPCR that has been
pursued as a therapeutic target in inflammation and immuno-oncology. Based on a known
intracellularly binding CCR2 antagonist, several covalent derivatives were synthesized
and characterized by radioligand binding and functional assays. These studies revealed
compound 14 as an intracellular covalent ligand for CCR2. In
silico modeling followed by site-directed mutagenesis confirmed that
14 forms a covalent bond with one of three proximal cysteine residues,
which can be engaged interchangeably. To our knowledge, compound 14
represents the first covalent ligand reported for CCR2. Due to its unique properties, it
may represent a promising tool for ongoing and future studies of CCR2 pharmacology.
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Affiliation(s)
- Natalia V Ortiz Zacarías
- Division of Drug Discovery and Safety, Leiden Academic Centre for Drug Research, Einsteinweg 55, 2333 CC, Leiden, The Netherlands.,Oncode Institute, 2333 CC Leiden, The Netherlands
| | - Kirti K Chahal
- Skaggs School of Pharmacy and Pharmaceutical Sciences, University of California San Diego, La Jolla, California 92093, United States
| | - Tereza Šimková
- Division of Drug Discovery and Safety, Leiden Academic Centre for Drug Research, Einsteinweg 55, 2333 CC, Leiden, The Netherlands
| | - Cas van der Horst
- Division of Drug Discovery and Safety, Leiden Academic Centre for Drug Research, Einsteinweg 55, 2333 CC, Leiden, The Netherlands
| | - Yi Zheng
- Skaggs School of Pharmacy and Pharmaceutical Sciences, University of California San Diego, La Jolla, California 92093, United States
| | - Asuka Inoue
- Graduate School of Pharmaceutical Sciences, Tohoku University, Sendai, Miyagi 980-8578, Japan
| | - Emy Theunissen
- Division of Drug Discovery and Safety, Leiden Academic Centre for Drug Research, Einsteinweg 55, 2333 CC, Leiden, The Netherlands
| | - Lloyd Mallee
- Division of Drug Discovery and Safety, Leiden Academic Centre for Drug Research, Einsteinweg 55, 2333 CC, Leiden, The Netherlands
| | - Daan van der Es
- Division of Drug Discovery and Safety, Leiden Academic Centre for Drug Research, Einsteinweg 55, 2333 CC, Leiden, The Netherlands
| | - Julien Louvel
- Division of Drug Discovery and Safety, Leiden Academic Centre for Drug Research, Einsteinweg 55, 2333 CC, Leiden, The Netherlands
| | - Adriaan P IJzerman
- Division of Drug Discovery and Safety, Leiden Academic Centre for Drug Research, Einsteinweg 55, 2333 CC, Leiden, The Netherlands
| | - Tracy M Handel
- Skaggs School of Pharmacy and Pharmaceutical Sciences, University of California San Diego, La Jolla, California 92093, United States
| | - Irina Kufareva
- Skaggs School of Pharmacy and Pharmaceutical Sciences, University of California San Diego, La Jolla, California 92093, United States
| | - Laura H Heitman
- Division of Drug Discovery and Safety, Leiden Academic Centre for Drug Research, Einsteinweg 55, 2333 CC, Leiden, The Netherlands.,Oncode Institute, 2333 CC Leiden, The Netherlands
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46
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Alon R, Sportiello M, Kozlovski S, Kumar A, Reilly EC, Zarbock A, Garbi N, Topham DJ. Leukocyte trafficking to the lungs and beyond: lessons from influenza for COVID-19. Nat Rev Immunol 2021; 21:49-64. [PMID: 33214719 PMCID: PMC7675406 DOI: 10.1038/s41577-020-00470-2] [Citation(s) in RCA: 105] [Impact Index Per Article: 35.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/14/2020] [Indexed: 01/08/2023]
Abstract
Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) is the causative agent of coronavirus disease 2019 (COVID-19). Understanding of the fundamental processes underlying the versatile clinical manifestations of COVID-19 is incomplete without comprehension of how different immune cells are recruited to various compartments of virus-infected lungs, and how this recruitment differs among individuals with different levels of disease severity. As in other respiratory infections, leukocyte recruitment to the respiratory system in people with COVID-19 is orchestrated by specific leukocyte trafficking molecules, and when uncontrolled and excessive it results in various pathological complications, both in the lungs and in other organs. In the absence of experimental data from physiologically relevant animal models, our knowledge of the trafficking signals displayed by distinct vascular beds and epithelial cell layers in response to infection by SARS-CoV-2 is still incomplete. However, SARS-CoV-2 and influenza virus elicit partially conserved inflammatory responses in the different respiratory epithelial cells encountered early in infection and may trigger partially overlapping combinations of trafficking signals in nearby blood vessels. Here, we review the molecular signals orchestrating leukocyte trafficking to airway and lung compartments during primary pneumotropic influenza virus infections and discuss potential similarities to distinct courses of primary SARS-CoV-2 infections. We also discuss how an imbalance in vascular activation by leukocytes outside the airways and lungs may contribute to extrapulmonary inflammatory complications in subsets of patients with COVID-19. These multiple molecular pathways are potential targets for therapeutic interventions in patients with severe COVID-19.
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Affiliation(s)
- Ronen Alon
- Department of Immunology, The Weizmann Institute of Science, Rehovot, Israel.
| | - Mike Sportiello
- David H. Smith Center for Vaccine Biology and Immunology, Department of Microbiology and Immunology, University of Rochester Medical Center, Rochester, NY, USA
| | - Stav Kozlovski
- Department of Immunology, The Weizmann Institute of Science, Rehovot, Israel
| | - Ashwin Kumar
- David H. Smith Center for Vaccine Biology and Immunology, Department of Microbiology and Immunology, University of Rochester Medical Center, Rochester, NY, USA
| | - Emma C Reilly
- David H. Smith Center for Vaccine Biology and Immunology, Department of Microbiology and Immunology, University of Rochester Medical Center, Rochester, NY, USA
| | - Alexander Zarbock
- Department of Cellular Immunology, Institute of Experimental Immunology Medical Faculty, University of Bonn, Bonn, Germany
| | - Natalio Garbi
- Department of Anesthesiology, Intensive Care and Pain Medicine, University Hospital Münster, Münster, Germany
| | - David J Topham
- David H. Smith Center for Vaccine Biology and Immunology, Department of Microbiology and Immunology, University of Rochester Medical Center, Rochester, NY, USA
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47
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The CCR2/MCP-1 Chemokine Pathway and Lung Adenocarcinoma. Cancers (Basel) 2020; 12:cancers12123723. [PMID: 33322474 PMCID: PMC7763565 DOI: 10.3390/cancers12123723] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2020] [Revised: 11/29/2020] [Accepted: 12/08/2020] [Indexed: 12/21/2022] Open
Abstract
Host anti-tumor immunity can be hindered by various mechanisms present within the tumor microenvironment, including the actions of myeloid-derived suppressor cells (MDSCs). We investigated the role of the CCR2/MCP-1 pathway in MDSC-associated tumor progression in murine lung cancer models. Phenotypic profiling revealed maximal expression of CCR2 by tumor-resident MDSCs, and MCP-1 by transplanted TC1 tumor cells, respectively. Use of CCR2-knockout (CCR2-KO) mice showed dependence of tumor growth on CCR2 signaling. Tumors in CCR2-KO mice had fewer CCR2low MDSCs, CD4 T cells and Tregs than WT mice, and increased infiltration by CD8 T cells producing IFN-γ and granzyme-B. Effects were MDSC specific, since WT and CCR2-KO conventional T (Tcon) cells had comparable proliferation and production of inflammatory cytokines, and suppressive functions of WT and CCR2-KO Foxp3+ Treg cells were also similar. We used a thioglycolate-induced peritonitis model to demonstrate a role for CCR2/MCP-1 in trafficking of CCR2+ cells to an inflammatory site, and showed the ability of a CCR2 antagonist to inhibit such trafficking. Use of this CCR2 antagonist promoted anti-tumor immunity and limited tumor growth. In summary, tumor cells are the prime source of MCP-1 that promotes MDSC recruitment, and our genetic and pharmacologic data demonstrate that CCR2 targeting may be an important component of cancer immunotherapy.
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48
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Handel TM, Dyer DP. Perspectives on the Biological Role of Chemokine:Glycosaminoglycan Interactions. J Histochem Cytochem 2020; 69:87-91. [PMID: 33285085 PMCID: PMC7838337 DOI: 10.1369/0022155420977971] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023] Open
Affiliation(s)
- Tracy M Handel
- Skaggs School of Pharmacy and Pharmaceutical Sciences, University of California, San Diego, La Jolla, CA
| | - Douglas P Dyer
- Wellcome Centre for Cell-Matrix Research, Lydia Becker Institute of Immunology and Inflammation, Division of Infection, Immunity & Respiratory Medicine, Faculty of Biology, Medicine and Health, Manchester Academic Health Science Centre, University of Manchester, Manchester, United Kingdom
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49
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Chou PH, Chee A, Shi P, Lin CL, Zhao Y, Zhang L, An HS. Small molecule antagonist of C-C chemokine receptor 1 (CCR1) reduces disc inflammation in the rabbit model. Spine J 2020; 20:2025-2036. [PMID: 32673730 DOI: 10.1016/j.spinee.2020.07.001] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/05/2020] [Revised: 06/22/2020] [Accepted: 07/08/2020] [Indexed: 02/03/2023]
Abstract
BACKGROUND CONTEXT Targeting chemokines or chemokine receptors is a promising treatment strategy for diseases with chronic inflammation such as rheumatoid arthritis and discogenic pain. Identifying specific molecules and determining their effectiveness in animal models are the first steps in developing these treatments. Macrophage markers have been detected in the intervertebral disc tissues of patients with disc degenerative disease and discogenic pain and in different animal models. Macrophage recruitment into the disc may play a role in initiation of inflammation and if unresolved may lead to chronic inflammation and subsequent back pain. PURPOSE The objectives of these studies are to (1) identify chemokine receptor antagonists that can block macrophage migration induced by disc cells in vitro and (2) determine if intradiscal treatment with these antagonists can reduce disc inflammation and degeneration in vivo. STUDY DESIGN In vitro migration assays were used to test effectiveness of chemokine receptor antagonists to block macrophage migration induced by disc cells. The rabbit annular puncture model was used to test for anti-inflammatory and regenerative effects of chemokine receptor antagonist treatment in vivo. METHODS In vitro - THP-1 human monocytic cell line and freshly isolated rabbit primary splenocytes were assayed for migration using 3 µm Corning Transwell inserts with conditioned media of interleukin (IL)-1β treated human or rabbit disc cells. Inhibition of macrophage migration was evaluated using different concentrations of small molecule antagonists of C-C chemokine receptor (CCR)1 and CCR2. In vivo - New Zealand White rabbits (n=40) underwent disc puncture and intradiscal treatment with saline, CCR1 or CCR2 antagonists within the same procedure. X-ray and magnetic resonance (MR) images and serum samples were taken for disc height, MRI grade and IL-8 serum level analyses. Intervertebral discs were isolated for RNA analysis of inflammatory and disc phenotypic markers and for immunohistochemical analysis of macrophage marker, RAM11. The outcome measures were compared between the three treatment groups. These studies were funded by a research grant from AO Foundation, Switzerland (Project no S-14-86A; 120000 CHF). CCR1 and CCR2 antagonists were kindly provided by ChemoCentryx (Mountain View, CA). RESULTS In vitro migration assays showed that THP-1 migration induced by disc cells was blocked by CCR2 antagonist more effectively than CCR1 antagonist, while rabbit splenocyte migration was inhibited by CCR1 antagonist and not the other. In the rabbit annular puncture model, rabbit discs treated with CCR1 antagonist had significantly better MRI grades than those treated with CCR2 antagonist at 6 weeks post-treatment. Gene expression studies demonstrate that discs treated with CCR1 or CCR2 antagonists expressed less inflammatory markers than saline-treated discs at 3 weeks post-treatment. Although CCR2 antagonist treatment did not reduce inflammatory marker expression at 6 weeks, discs treated with CCR1 antagonist expressed less inflammatory markers and also a higher ratio of collagen type 2 to collagen type 1 genes indicating favorable disc matrix production. There were no significant differences between all three treatment groups in regards to disc height indexes, IL-8 serum levels or macrophage marker detection. CONCLUSIONS These studies have identified that small molecule antagonists against CCR2 and CCR1 were respectively effective in blocking THP-1 and rabbit splenocyte migration induced by disc cells in vitro. Further, both CCR2 and CCR1 antagonist intradiscal treatments were effective in reducing disc inflammation at an early time point of 3 weeks. Lastly, only CCR1 antagonist demonstrated anti-inflammatory effects and better MRI grades at 6 weeks. CLINICAL SIGNIFICANCE Our preclinical studies demonstrate that CCR1 and CCR2 antagonist delivery through intradiscal injection is sufficient to reduce disc inflammation at early time points, whereas CCR1 antagonists had longer term anti-inflammatory effects. Clinical studies have found that CCR1 antagonist was safe, tolerable and clinically active in reducing inflammation in rheumatoid arthritis patients. These studies suggest that CCR1 antagonist may be a promising biological treatment to reduce disc inflammation that translates to back pain relief.
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Affiliation(s)
- Po-Hsin Chou
- Department of Orthopedic Surgery, Rush University Medical Center, 1611 W Harrison Street, Suite 300, Chicago, IL 60612, USA; Department of Orthopedic and Traumatology, Taipei Veterans General Hospital, No. 201, Sec. 2, Shipai Rd, Beitou District, Taipei City, Taiwan 11217, ROC; School of Medicine, National Yang-Ming University, No.155, Sec. 2, Linong St, Beitou District, Taipei City, Taiwan 112, ROC
| | - Ana Chee
- Department of Orthopedic Surgery, Rush University Medical Center, 1611 W Harrison Street, Suite 300, Chicago, IL 60612, USA
| | - Peng Shi
- Department of Orthopedic Surgery, Rush University Medical Center, 1611 W Harrison Street, Suite 300, Chicago, IL 60612, USA; Tufts University School of Dental Medicine, 1 Kneeland St, Boston, MA 02111, USA
| | - Cheng-Li Lin
- Department of Orthopedic Surgery, Rush University Medical Center, 1611 W Harrison Street, Suite 300, Chicago, IL 60612, USA; Department of Orthopedic Surgery, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, No.138, Sheng-Li Rd, 70428, Tainan City, Taiwan 704, ROC
| | - Yibo Zhao
- Department of Orthopedic Surgery, Rush University Medical Center, 1611 W Harrison Street, Suite 300, Chicago, IL 60612, USA; Department of Orthopedics, The Second Hospital of Shanxi Medical University, No. 382, Wuyi Rd, Taiyuan, Shanxi, 030001 China
| | - Li Zhang
- Department of Orthopedic Surgery, Rush University Medical Center, 1611 W Harrison Street, Suite 300, Chicago, IL 60612, USA; Department of Orthopedics, Shanxi Bethune Hospital, Shanxi Academy of Medical Sciences, No. 99, Longcheng St, Taiyuan, Shanxi, 030032 China
| | - Howard S An
- Department of Orthopedic Surgery, Rush University Medical Center, 1611 W Harrison Street, Suite 300, Chicago, IL 60612, USA.
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50
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Biasci D, Smoragiewicz M, Connell CM, Wang Z, Gao Y, Thaventhiran JED, Basu B, Magiera L, Johnson TI, Bax L, Gopinathan A, Isherwood C, Gallagher FA, Pawula M, Hudecova I, Gale D, Rosenfeld N, Barmpounakis P, Popa EC, Brais R, Godfrey E, Mir F, Richards FM, Fearon DT, Janowitz T, Jodrell DI. CXCR4 inhibition in human pancreatic and colorectal cancers induces an integrated immune response. Proc Natl Acad Sci U S A 2020; 117:28960-28970. [PMID: 33127761 PMCID: PMC7682333 DOI: 10.1073/pnas.2013644117] [Citation(s) in RCA: 133] [Impact Index Per Article: 33.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
Inhibition of the chemokine receptor CXCR4 in combination with blockade of the PD-1/PD-L1 T cell checkpoint induces T cell infiltration and anticancer responses in murine and human pancreatic cancer. Here we elucidate the mechanism by which CXCR4 inhibition affects the tumor immune microenvironment. In human immune cell-based chemotaxis assays, we find that CXCL12-stimulated CXCR4 inhibits the directed migration mediated by CXCR1, CXCR3, CXCR5, CXCR6, and CCR2, respectively, chemokine receptors expressed by all of the immune cell types that participate in an integrated immune response. Inhibiting CXCR4 in an experimental cancer medicine study by 1-wk continuous infusion of the small-molecule inhibitor AMD3100 (plerixafor) induces an integrated immune response that is detected by transcriptional analysis of paired biopsies of metastases from patients with microsatellite stable colorectal and pancreatic cancer. This integrated immune response occurs in three other examples of immune-mediated damage to noninfected tissues: Rejecting renal allografts, melanomas clinically responding to anti-PD1 antibody therapy, and microsatellite instable colorectal cancers. Thus, signaling by CXCR4 causes immune suppression in human pancreatic ductal adenocarcinoma and colorectal cancer by impairing the function of the chemokine receptors that mediate the intratumoral accumulation of immune cells.
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Affiliation(s)
- Daniele Biasci
- Cancer Research UK Cambridge Institute, University of Cambridge, Cambridge, CB2 ORE, UK
- Cancer Research UK Centre-Cambridge, Cancer Research UK Cambridge Institute, Cambridge CB2 0RE, UK
- Medical Research Council Toxicology Unit, University of Cambridge, Cambridge, CB2 1QW, UK
| | - Martin Smoragiewicz
- Cancer Research UK Cambridge Institute, University of Cambridge, Cambridge, CB2 ORE, UK
- Cancer Research UK Centre-Cambridge, Cancer Research UK Cambridge Institute, Cambridge CB2 0RE, UK
| | - Claire M Connell
- Cancer Research UK Cambridge Institute, University of Cambridge, Cambridge, CB2 ORE, UK
- Cancer Research UK Centre-Cambridge, Cancer Research UK Cambridge Institute, Cambridge CB2 0RE, UK
- Department of Oncology, Cambridge University Hospitals NHS Foundation Trust, CB2 0QQ Cambridge, UK
| | - Zhikai Wang
- Cold Spring Harbor Laboratory, Cold Spring Harbor, NY 11724
| | - Ya Gao
- Cold Spring Harbor Laboratory, Cold Spring Harbor, NY 11724
| | - James E D Thaventhiran
- Cancer Research UK Cambridge Institute, University of Cambridge, Cambridge, CB2 ORE, UK
- Cancer Research UK Centre-Cambridge, Cancer Research UK Cambridge Institute, Cambridge CB2 0RE, UK
- Medical Research Council Toxicology Unit, University of Cambridge, Cambridge, CB2 1QW, UK
| | - Bristi Basu
- Department of Oncology, Cambridge University Hospitals NHS Foundation Trust, CB2 0QQ Cambridge, UK
- Department of Oncology, University of Cambridge, Cambridge Biomedical Campus, Cambridge, CB2 0XZ, UK
| | - Lukasz Magiera
- Cancer Research UK Cambridge Institute, University of Cambridge, Cambridge, CB2 ORE, UK
- Cancer Research UK Centre-Cambridge, Cancer Research UK Cambridge Institute, Cambridge CB2 0RE, UK
| | - T Isaac Johnson
- Cancer Research UK Cambridge Institute, University of Cambridge, Cambridge, CB2 ORE, UK
- Cancer Research UK Centre-Cambridge, Cancer Research UK Cambridge Institute, Cambridge CB2 0RE, UK
| | - Lisa Bax
- Department of Oncology, Cambridge University Hospitals NHS Foundation Trust, CB2 0QQ Cambridge, UK
| | - Aarthi Gopinathan
- Cancer Research UK Cambridge Institute, University of Cambridge, Cambridge, CB2 ORE, UK
- Cancer Research UK Centre-Cambridge, Cancer Research UK Cambridge Institute, Cambridge CB2 0RE, UK
| | - Christopher Isherwood
- Cancer Research UK Cambridge Institute, University of Cambridge, Cambridge, CB2 ORE, UK
- Cancer Research UK Centre-Cambridge, Cancer Research UK Cambridge Institute, Cambridge CB2 0RE, UK
| | - Ferdia A Gallagher
- Department of Radiology, Cambridge University Hospitals NHS Foundation Trust, CB2 0QQ Cambridge, UK
| | - Maria Pawula
- Cancer Research UK Cambridge Institute, University of Cambridge, Cambridge, CB2 ORE, UK
- Cancer Research UK Centre-Cambridge, Cancer Research UK Cambridge Institute, Cambridge CB2 0RE, UK
| | - Irena Hudecova
- Cancer Research UK Cambridge Institute, University of Cambridge, Cambridge, CB2 ORE, UK
- Cancer Research UK Centre-Cambridge, Cancer Research UK Cambridge Institute, Cambridge CB2 0RE, UK
| | - Davina Gale
- Cancer Research UK Cambridge Institute, University of Cambridge, Cambridge, CB2 ORE, UK
- Cancer Research UK Centre-Cambridge, Cancer Research UK Cambridge Institute, Cambridge CB2 0RE, UK
| | - Nitzan Rosenfeld
- Cancer Research UK Cambridge Institute, University of Cambridge, Cambridge, CB2 ORE, UK
- Cancer Research UK Centre-Cambridge, Cancer Research UK Cambridge Institute, Cambridge CB2 0RE, UK
| | - Petros Barmpounakis
- Department of Statistics, Athens University of Economics and Business, 104 34 Athens, Greece
| | | | - Rebecca Brais
- Department of Pathology, Cambridge University Hospitals NHS Foundation Trust, CB2 0QQ Cambridge, UK
| | - Edmund Godfrey
- Department of Radiology, Cambridge University Hospitals NHS Foundation Trust, CB2 0QQ Cambridge, UK
| | - Fraz Mir
- Clinical Pharmacology Unit, University of Cambridge, CB2 1TN Cambridge, UK
| | - Frances M Richards
- Cancer Research UK Cambridge Institute, University of Cambridge, Cambridge, CB2 ORE, UK
- Cancer Research UK Centre-Cambridge, Cancer Research UK Cambridge Institute, Cambridge CB2 0RE, UK
| | - Douglas T Fearon
- Cancer Research UK Cambridge Institute, University of Cambridge, Cambridge, CB2 ORE, UK;
- Cold Spring Harbor Laboratory, Cold Spring Harbor, NY 11724
- Weill Cornell Medicine, New York, NY 10065
| | - Tobias Janowitz
- Cancer Research UK Cambridge Institute, University of Cambridge, Cambridge, CB2 ORE, UK;
- Cancer Research UK Centre-Cambridge, Cancer Research UK Cambridge Institute, Cambridge CB2 0RE, UK
- Cold Spring Harbor Laboratory, Cold Spring Harbor, NY 11724
- Northwell Health Cancer Institute, New Hyde Park, NY 11042
| | - Duncan I Jodrell
- Cancer Research UK Cambridge Institute, University of Cambridge, Cambridge, CB2 ORE, UK
- Cancer Research UK Centre-Cambridge, Cancer Research UK Cambridge Institute, Cambridge CB2 0RE, UK
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