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Cheetham CJ, McKelvey MC, McAuley DF, Taggart CC. Neutrophil-Derived Proteases in Lung Inflammation: Old Players and New Prospects. Int J Mol Sci 2024; 25:5492. [PMID: 38791530 PMCID: PMC11122108 DOI: 10.3390/ijms25105492] [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: 04/23/2024] [Revised: 05/10/2024] [Accepted: 05/15/2024] [Indexed: 05/26/2024] Open
Abstract
Neutrophil-derived proteases are critical to the pathology of many inflammatory lung diseases, both chronic and acute. These abundant enzymes play roles in key neutrophil functions, such as neutrophil extracellular trap formation and reactive oxygen species release. They may also be released, inducing tissue damage and loss of tissue function. Historically, the neutrophil serine proteases (NSPs) have been the main subject of neutrophil protease research. Despite highly promising cell-based and animal model work, clinical trials involving the inhibition of NSPs have shown mixed results in lung disease patients. As such, the cutting edge of neutrophil-derived protease research has shifted to proteases that have had little-to-no research in neutrophils to date. These include the cysteine and serine cathepsins, the metzincins and the calpains, among others. This review aims to outline the previous work carried out on NSPs, including the shortcomings of some of the inhibitor-orientated clinical trials. Our growing understanding of other proteases involved in neutrophil function and neutrophilic lung inflammation will then be discussed. Additionally, the potential of targeting these more obscure neutrophil proteases will be highlighted, as they may represent new targets for inhibitor-based treatments of neutrophil-mediated lung inflammation.
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Affiliation(s)
- Coby J. Cheetham
- Airway Innate Immunity Research (AiiR) Group, Wellcome-Wolfson Institute for Experimental Medicine and Wellcome-Wolfson Institute for Experimental Medicine, School of Medicine, Dentistry and Biomedical Sciences, Queen’s University Belfast, Belfast BT9 7BL, UK; (C.J.C.); (M.C.M.)
| | - Michael C. McKelvey
- Airway Innate Immunity Research (AiiR) Group, Wellcome-Wolfson Institute for Experimental Medicine and Wellcome-Wolfson Institute for Experimental Medicine, School of Medicine, Dentistry and Biomedical Sciences, Queen’s University Belfast, Belfast BT9 7BL, UK; (C.J.C.); (M.C.M.)
| | - Daniel F. McAuley
- Wellcome-Wolfson Institute for Experimental Medicine, Queen’s University Belfast, 97 Lisburn Road, Belfast BT9 7BL, UK;
| | - Clifford C. Taggart
- Airway Innate Immunity Research (AiiR) Group, Wellcome-Wolfson Institute for Experimental Medicine and Wellcome-Wolfson Institute for Experimental Medicine, School of Medicine, Dentistry and Biomedical Sciences, Queen’s University Belfast, Belfast BT9 7BL, UK; (C.J.C.); (M.C.M.)
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Chalmers JD, Badorrek P, Diefenbach C, Kögler H, Sauter W, Kreideweiss S, Hohlfeld JM. The preclinical and phase 1 development of the novel oral cathepsin C inhibitor BI 1291583. ERJ Open Res 2024; 10:00725-2023. [PMID: 38529344 PMCID: PMC10962448 DOI: 10.1183/23120541.00725-2023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2023] [Accepted: 01/15/2024] [Indexed: 03/27/2024] Open
Abstract
Preclinical and phase 1 study results indicate that BI 1291583 is a reversible, highly potent and highly selective CatC inhibitor that markedly inhibits active NSP production in a dose-dependent manner, supporting phase 2 trials in bronchiectasis patients https://bit.ly/47PZ8E5.
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Affiliation(s)
- James D. Chalmers
- Division of Molecular and Clinical Medicine, University of Dundee, Dundee, UK
| | - Philipp Badorrek
- Department of Clinical Airway Research, Fraunhofer Institute for Toxicology and Experimental Medicine (ITEM), Hannover, Germany
| | | | - Harald Kögler
- Boehringer Ingelheim International GmbH, Ingelheim, Germany
| | - Wiebke Sauter
- Boehringer Ingelheim Pharma GmbH & Co. KG, Biberach, Germany
| | | | - Jens M. Hohlfeld
- Department of Clinical Airway Research, Fraunhofer Institute for Toxicology and Experimental Medicine (ITEM), Hannover, Germany
- Department of Respiratory Medicine, Hannover Medical School, Hannover, Germany
- German Centre for Lung Research (DZL), Hannover, Germany
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Chalmers JD, Kettritz R, Korkmaz B. Dipeptidyl peptidase 1 inhibition as a potential therapeutic approach in neutrophil-mediated inflammatory disease. Front Immunol 2023; 14:1239151. [PMID: 38162644 PMCID: PMC10755895 DOI: 10.3389/fimmu.2023.1239151] [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: 06/12/2023] [Accepted: 11/14/2023] [Indexed: 01/03/2024] Open
Abstract
Neutrophils have a critical role in the innate immune response to infection and the control of inflammation. A key component of this process is the release of neutrophil serine proteases (NSPs), primarily neutrophil elastase, proteinase 3, cathepsin G, and NSP4, which have essential functions in immune modulation and tissue repair following injury. Normally, NSP activity is controlled and modulated by endogenous antiproteases. However, disruption of this homeostatic relationship can cause diseases in which neutrophilic inflammation is central to the pathology, such as chronic obstructive pulmonary disease (COPD), alpha-1 antitrypsin deficiency, bronchiectasis, and cystic fibrosis, as well as many non-pulmonary pathologies. Although the pathobiology of these diseases varies, evidence indicates that excessive NSP activity is common and a principal mediator of tissue damage and clinical decline. NSPs are synthesized as inactive zymogens and activated primarily by the ubiquitous enzyme dipeptidyl peptidase 1, also known as cathepsin C. Preclinical data confirm that inactivation of this protease reduces activation of NSPs. Thus, pharmacological inhibition of dipeptidyl peptidase 1 potentially reduces the contribution of aberrant NSP activity to the severity and/or progression of multiple inflammatory diseases. Initial clinical data support this view. Ongoing research continues to explore the role of NSP activation by dipeptidyl peptidase 1 in different disease states and the potential clinical benefits of dipeptidyl peptidase 1 inhibition.
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Affiliation(s)
- James D. Chalmers
- Department of Molecular and Clinical Medicine, Ninewells Hospital and Medical School, Dundee, United Kingdom
| | - Ralph Kettritz
- Department of Nephrology and Medical Intensive Care, Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Berlin, Germany
- Experimental and Clinical Research Center, a Cooperation Between the Max Delbrück Center for Molecular Medicine in the Helmholtz Association and Charité Universitätsmedizin, Berlin, Germany
| | - Brice Korkmaz
- INSERM UMR-1100, Research Center for Respiratory Diseases, University of Tours, Tours, France
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Choi H, Ryu S, Keir HR, Giam YH, Dicker AJ, Perea L, Richardson H, Huang JTJ, Cant E, Blasi F, Pollock J, Shteinberg M, Finch S, Aliberti S, Sibila O, Shoemark A, Chalmers JD. Inflammatory Molecular Endotypes in Bronchiectasis: A European Multicenter Cohort Study. Am J Respir Crit Care Med 2023; 208:1166-1176. [PMID: 37769155 DOI: 10.1164/rccm.202303-0499oc] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2023] [Accepted: 09/27/2023] [Indexed: 09/30/2023] Open
Abstract
Rationale: Although inflammation and infection are key disease drivers in bronchiectasis, few studies have integrated host inflammatory and microbiome data to guide precision medicine. Objectives: To identify clusters among patients with bronchiectasis on the basis of inflammatory markers and to assess the association between inflammatory endotypes, microbiome characteristics, and exacerbation risk. Methods: Patients with stable bronchiectasis were enrolled at three European centers, and cluster analysis was used to stratify the patients according to the levels of 33 sputum and serum inflammatory markers. Clusters were compared in terms of microbiome composition (16S ribosomal RNA sequencing) and exacerbation risk over a 12-month follow-up. Measurements and Main Results: A total of 199 patients were enrolled (109 [54.8%] female; median age, 69 yr). Four clusters of patients were defined according to their inflammatory profiles: cluster 1, milder neutrophilic inflammation; cluster 2, mixed-neutrophilic and type 2; cluster 3, most severe neutrophilic; and cluster 4, mixed-epithelial and type 2. Lower microbiome diversity was associated with more severe inflammatory clusters (P < 0.001), and β-diversity analysis demonstrated distinct microbiome profiles associated with each inflammatory cluster (P = 0.001). Proteobacteria and Pseudomonas at phylum and genus levels, respectively, were more enriched in clusters 2 and 3 than in clusters 1 and 4. Furthermore, patients in cluster 2 (rate ratio [RR], 1.49; 95% confidence interval [CI], 1.16-1.92) and cluster 3 (RR, 1.61; 95% CI, 1.12-2.32) were at higher risk of exacerbation over a 12-month follow-up compared with cluster 1, even after adjustment for prior exacerbation history. Conclusions: Bronchiectasis inflammatory endotypes are associated with distinct microbiome profiles and future exacerbation risk.
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Affiliation(s)
- Hayoung Choi
- Division of Molecular and Clinical Medicine and
- Division of Pulmonary, Allergy, and Critical Care Medicine, Department of Internal Medicine, Hallym University Kangnam Sacred Heart Hospital, Seoul, Republic of Korea
| | - Soorack Ryu
- Biostatistical Consulting and Research Lab, Medical Research Collaborating Center, Hanyang University, Seoul, Republic of Korea
| | | | | | | | - Lidia Perea
- Division of Molecular and Clinical Medicine and
| | | | - Jeffrey T J Huang
- Division of Systems Medicine, University of Dundee, Ninewells Hospital and Medical School, Dundee, United Kingdom
| | - Erin Cant
- Division of Molecular and Clinical Medicine and
| | - Francesco Blasi
- Department of Pathophysiology and Transplantation, University of Milan, Milan, Italy
- Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Milan, Italy
| | | | - Michal Shteinberg
- Pulmonology Institute and CF Center, Carmel Medical Center and the Technion-Israel Institute of Technology, Haifa, Israel
| | - Simon Finch
- Division of Molecular and Clinical Medicine and
| | - Stefano Aliberti
- Department of Biomedical Sciences, Humanitas University, Milan, Italy
- Respiratory Unit, IRCCS Humanitas Research Hospital, Milan, Italy; and
| | - Oriol Sibila
- Respiratory Department, Hospital Clínic, IDIBAPS, CIBERES, Universitat de Barcelona, Barcelona, Spain
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