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D’Agnano V, Mariniello DF, Ruotolo M, Quarcio G, Moriello A, Conte S, Sorrentino A, Sanduzzi Zamparelli S, Bianco A, Perrotta F. Targeting Progression in Pulmonary Fibrosis: An Overview of Underlying Mechanisms, Molecular Biomarkers, and Therapeutic Intervention. Life (Basel) 2024; 14:229. [PMID: 38398739 PMCID: PMC10890660 DOI: 10.3390/life14020229] [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: 01/07/2024] [Revised: 01/22/2024] [Accepted: 02/01/2024] [Indexed: 02/25/2024] Open
Abstract
Interstitial lung diseases comprise a heterogenous range of diffuse lung disorders, potentially resulting in pulmonary fibrosis. While idiopathic pulmonary fibrosis has been recognized as the paradigm of a progressive fibrosing interstitial lung disease, other conditions with a progressive fibrosing phenotype characterized by a significant deterioration of the lung function may lead to a burden of significant symptoms, a reduced quality of life, and increased mortality, despite treatment. There is now evidence indicating that some common underlying biological mechanisms can be shared among different chronic fibrosing disorders; therefore, different biomarkers for disease-activity monitoring and prognostic assessment are under evaluation. Thus, understanding the common pathways that induce the progression of pulmonary fibrosis, comprehending the diversity of these diseases, and identifying new molecular markers and potential therapeutic targets remain highly crucial assignments. The purpose of this review is to examine the main pathological mechanisms regulating the progression of fibrosis in interstitial lung diseases and to provide an overview of potential biomarker and therapeutic options for patients with progressive pulmonary fibrosis.
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Affiliation(s)
- Vito D’Agnano
- Department of Translational Medical Sciences, University of Campania L. Vanvitelli, 80131 Naples, Italy; (V.D.); (D.F.M.); (M.R.); (G.Q.); (A.M.); (S.C.); (A.S.); (A.B.)
| | - Domenica Francesca Mariniello
- Department of Translational Medical Sciences, University of Campania L. Vanvitelli, 80131 Naples, Italy; (V.D.); (D.F.M.); (M.R.); (G.Q.); (A.M.); (S.C.); (A.S.); (A.B.)
| | - Michela Ruotolo
- Department of Translational Medical Sciences, University of Campania L. Vanvitelli, 80131 Naples, Italy; (V.D.); (D.F.M.); (M.R.); (G.Q.); (A.M.); (S.C.); (A.S.); (A.B.)
| | - Gianluca Quarcio
- Department of Translational Medical Sciences, University of Campania L. Vanvitelli, 80131 Naples, Italy; (V.D.); (D.F.M.); (M.R.); (G.Q.); (A.M.); (S.C.); (A.S.); (A.B.)
| | - Alessandro Moriello
- Department of Translational Medical Sciences, University of Campania L. Vanvitelli, 80131 Naples, Italy; (V.D.); (D.F.M.); (M.R.); (G.Q.); (A.M.); (S.C.); (A.S.); (A.B.)
| | - Stefano Conte
- Department of Translational Medical Sciences, University of Campania L. Vanvitelli, 80131 Naples, Italy; (V.D.); (D.F.M.); (M.R.); (G.Q.); (A.M.); (S.C.); (A.S.); (A.B.)
| | - Antonio Sorrentino
- Department of Translational Medical Sciences, University of Campania L. Vanvitelli, 80131 Naples, Italy; (V.D.); (D.F.M.); (M.R.); (G.Q.); (A.M.); (S.C.); (A.S.); (A.B.)
| | | | - Andrea Bianco
- Department of Translational Medical Sciences, University of Campania L. Vanvitelli, 80131 Naples, Italy; (V.D.); (D.F.M.); (M.R.); (G.Q.); (A.M.); (S.C.); (A.S.); (A.B.)
| | - Fabio Perrotta
- Department of Translational Medical Sciences, University of Campania L. Vanvitelli, 80131 Naples, Italy; (V.D.); (D.F.M.); (M.R.); (G.Q.); (A.M.); (S.C.); (A.S.); (A.B.)
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Tomioka H, Miyazaki Y, Inoue Y, Egashira R, Kawamura T, Sano H, Johkoh T, Takemura T, Hisada T, Fukuoka J. Japanese clinical practice guide 2022 for hypersensitivity pneumonitis. Respir Investig 2024; 62:16-43. [PMID: 37931427 DOI: 10.1016/j.resinv.2023.07.007] [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: 04/12/2023] [Revised: 06/23/2023] [Accepted: 07/17/2023] [Indexed: 11/08/2023]
Abstract
Considering recently published two guidelines for the diagnosis of hypersensitivity pneumonitis (HP), the Japanese Respiratory Society (JRS) has now published its own Japanese clinical practice guide for HP. Major types of HP in Japan include summer-type, home-related, bird-related, farmer's lung, painter's lung, humidifier lung, and mushroom grower's lung. Identifying causative antigens is critical for increasing diagnostic confidence, as well as improving prognosis through appropriate antigen avoidance. This guide proposes a comprehensive antigen questionnaire including the outbreak sources reported in Japan. Drawing on the 2021 CHEST guideline, this guide highlights the antigen identification confidence level and adaptations for environmental surveys. The detection of specific antibodies against causative antigens is an important diagnostic predictor of HP. In Japan, the assessments of bird-specific IgG (pigeons, budgerigars) and the Trichosporon asahii antibody are covered by medical insurance. Although this guide adopts the 2020 ATS/JRS/ALAT guideline diagnostic criteria based on the combination of imaging findings, exposure assessment, bronchoalveolar lavage lymphocytosis, and histopathological findings, it added some annotations to facilitate the interpretation of the content and correlate the medical situation in Japan. It recommends checking biomarkers; seasonal changes in the KL-6 concentration (increase in winter for bird-related HP/humidifier lung and in summer for summer-type HP) and high KL-6 concentrations providing a basis for the suspicion of HP. Antigen avoidance is critical for disease management of HP. This guide also addresses the pharmacological management of HP, highlighting the treatment strategy for fibrotic HP including combination therapies with anti-inflammatory/immunosuppressive and antifibrotic drugs.
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Affiliation(s)
- Hiromi Tomioka
- Department of Respiratory Medicine, Kobe City Medical Center West Hospital, Kobe, Japan.
| | - Yasunari Miyazaki
- Department of Respiratory Medicine, Tokyo Medical and Dental University, Tokyo, Japan
| | - Yoshikazu Inoue
- Clinical Research Center, National Hospital Organization Kinki-Chuo Chest Medical Center, Osaka, Japan
| | - Ryoko Egashira
- Department of Radiology, Faculty of Medicine, Saga University, Saga, Japan
| | - Tetsuji Kawamura
- National Hospital Organization Himeji Medical Center, Himeji, Japan
| | - Hiroyuki Sano
- Department of Respiratory Medicine and Allergology, Kindai University Faculty of Medicine, Osaka, Japan
| | - Takeshi Johkoh
- Department of Radiology, Kansai Rosai Hospital, Amagasaki, Japan
| | - Tamiko Takemura
- Department of Pathology, Kanagawa Cardiovascular and Respiratory Center, Yokohama, Japan
| | - Takeshi Hisada
- Gunma University Graduate School of Health Sciences, Maebashi, Japan
| | - Junya Fukuoka
- Department of Pathology Informatics, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
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Drakopanagiotakis F, Markart P, Steiropoulos P. Acute Exacerbations of Interstitial Lung Diseases: Focus on Biomarkers. Int J Mol Sci 2023; 24:10196. [PMID: 37373339 DOI: 10.3390/ijms241210196] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2023] [Revised: 06/07/2023] [Accepted: 06/13/2023] [Indexed: 06/29/2023] Open
Abstract
Interstitial lung diseases (ILDs) are a large group of pulmonary disorders characterized histologically by the cardinal involvement of the pulmonary interstitium. The prototype of ILDs is idiopathic pulmonary fibrosis (IPF), an incurable disease characterized by progressive distortion and loss of normal lung architecture through unchecked collagen deposition. Acute exacerbations are dramatic events during the clinical course of ILDs, associated with high morbidity and mortality. Infections, microaspiration, and advanced lung disease might be involved in the pathogenesis of acute exacerbations. Despite clinical scores, the prediction of the onset and outcome of acute exacerbations is still inaccurate. Biomarkers are necessary to characterize acute exacerbations better. We review the evidence for alveolar epithelial cell, fibropoliferation, and immunity molecules as potential biomarkers for acute exacerbations of interstitial lung disease.
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Affiliation(s)
- Fotios Drakopanagiotakis
- Department of Respiratory Medicine, Medical School, Democritus University, 68100 Alexandroupolis, Greece
| | - Philipp Markart
- Department of Respiratory Medicine, Klinikum Fulda and University Medicine Campus Fulda, Pacelliallee 4, 36043 Fulda, Germany
| | - Paschalis Steiropoulos
- Department of Respiratory Medicine, Medical School, Democritus University, 68100 Alexandroupolis, Greece
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Diagnosis of Fibrotic Hypersensitivity Pneumonitis: Is There a Role for Biomarkers? Life (Basel) 2023; 13:life13020565. [PMID: 36836922 PMCID: PMC9966605 DOI: 10.3390/life13020565] [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: 12/26/2022] [Revised: 01/31/2023] [Accepted: 02/03/2023] [Indexed: 02/19/2023] Open
Abstract
Hypersensitivity pneumonitis is a complex interstitial lung syndrome and is associated with significant morbimortality, particularly for fibrotic disease. This condition is characterized by sensitization to a specific antigen, whose early identification is associated with improved outcomes. Biomarkers measure objectively biologic processes and may support clinical decisions. These tools evolved to play a crucial role in the diagnosis and management of a wide range of human diseases. This is not the case, however, with hypersensitivity pneumonitis, where there is still great room for research in the path to find consensual diagnostic biomarkers. Gaps in the current evidence include lack of validation, validation against healthy controls alone, small sampling and heterogeneity in diagnostic and classification criteria. Furthermore, discriminatory accuracy is currently limited by overlapping mechanisms of inflammation, damage and fibrogenesis between ILDs. Still, biomarkers such as BAL lymphocyte counts and specific serum IgGs made their way into clinical guidelines, while others including KL-6, SP-D, YKL-40 and apolipoproteins have shown promising results in leading centers and have potential to translate into daily practice. As research proceeds, it is expected that the emergence of novel categories of biomarkers will offer new and thriving tools that could complement those currently available.
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Metabolic landscape dysregulation in bronchoalveolar lavage fluid of checkpoint inhibitor pneumonitis. Clin Immunol 2023; 247:109230. [PMID: 36646189 DOI: 10.1016/j.clim.2023.109230] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2022] [Revised: 01/03/2023] [Accepted: 01/11/2023] [Indexed: 01/15/2023]
Abstract
BACKGROUND Checkpoint inhibitor pneumonitis (CIP) is a potentially fatal adverse event resulting from immunotherapy in patients with malignant tumors. However, the pathogenesis of CIP remains poorly understood. METHODS We collected bronchoalveolar lavage fluid (BALF) from cohorts of patients with CIP, new-onset lung cancer (LC), and idiopathic pulmonary fibrosis (IPF). Non-targeted metabolomics analysis was conducted to analyze metabolic signatures. Flow cytometry was used to evaluate immune cell subsets. RESULTS Lymphocytes were predominant in the BALF of patients with CIP. A total of 903 metabolites were identified, among which lipid compounds were the most abundant. In a comparison between patients with CIP and LC, enrichment analysis of the altered metabolites showed suppressed amino sugar metabolism, and spermidine and spermine biosynthesis in the CIP group. Metabolism of alpha linolenic acid, linoleic acid, and their fatty acid derivatives was enriched in the CIP group relative to the IPF group. The twelve metabolites found to be enriched in the CIP group were positively correlated with the proportion of CD8+ T cells. One cluster of BALF metabolites, 57.14% of which were lipid molecules, was inversely correlated with the proportion of natural killer cells. CONCLUSIONS In this study, the metabolomic landscape of BALF in patients with CIP was determined. We elucidated suppressed tumor metabolic signatures, enhanced pulmonary inflammatory signaling, and the characteristics of responsible immune cells, which helps to understand the pathogenesis of CIP.
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Implications of increased circulating macrophage inhibitory protein-5 in patients with type 2 diabetes mellitus. Int Immunopharmacol 2022; 109:108916. [DOI: 10.1016/j.intimp.2022.108916] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2022] [Revised: 05/20/2022] [Accepted: 05/30/2022] [Indexed: 11/21/2022]
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Savin IA, Markov AV, Zenkova MA, Sen’kova AV. Asthma and Post-Asthmatic Fibrosis: A Search for New Promising Molecular Markers of Transition from Acute Inflammation to Pulmonary Fibrosis. Biomedicines 2022; 10:biomedicines10051017. [PMID: 35625754 PMCID: PMC9138542 DOI: 10.3390/biomedicines10051017] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2022] [Revised: 04/27/2022] [Accepted: 04/27/2022] [Indexed: 12/15/2022] Open
Abstract
Asthma is a heterogeneous pulmonary disorder, the progression and chronization of which leads to airway remodeling and fibrogenesis. To understand the molecular mechanisms of pulmonary fibrosis development, key genes forming the asthma-specific regulome and involved in lung fibrosis formation were revealed using a comprehensive bioinformatics analysis. The bioinformatics data were validated using a murine model of ovalbumin (OVA)-induced asthma and post-asthmatic fibrosis. The performed analysis revealed a range of well-known pro-fibrotic markers (Cat, Ccl2, Ccl4, Ccr2, Col1a1, Cxcl12, Igf1, Muc5ac/Muc5b, Spp1, Timp1) and a set of novel genes (C3, C3ar1, Col4a1, Col4a2, Cyp2e1, Fn1, Thbs1, Tyrobp) mediating fibrotic changes in lungs already at the stage of acute/subacute asthma-driven inflammation. The validation of genes related to non-allergic bleomycin-induced pulmonary fibrosis on asthmatic/fibrotic lungs allowed us to identify new universal genes (Col4a1 and Col4a2) associated with the development of lung fibrosis regardless of its etiology. The similarities revealed in the expression profiles of nodal fibrotic genes between asthma-driven fibrosis in mice and nascent idiopathic pulmonary fibrosis in humans suggest a tight association of identified genes with the early stages of airway remodeling and can be considered as promising predictors and early markers of pulmonary fibrosis.
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Horimasu Y, Yamaguchi K, Sakamoto S, Masuda T, Miyamoto S, Nakashima T, Iwamoto H, Fujitaka K, Hamada H, Hattori N. Quantitative parameters of lymphocyte nuclear morphology in bronchoalveolar lavage fluid as novel biomarkers for sarcoidosis. Orphanet J Rare Dis 2021; 16:298. [PMID: 34217348 PMCID: PMC8254956 DOI: 10.1186/s13023-021-01926-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2021] [Accepted: 06/27/2021] [Indexed: 12/03/2022] Open
Abstract
Background Bronchoalveolar lavage (BAL) is one of the fundamental examinations for the differential diagnosis of interstitial lung diseases (ILDs), and lymphocytosis strongly indicates alternative diagnoses rather than idiopathic pulmonary fibrosis. However, the BALF lymphocytosis is observed in several ILDs. We considered that quantitative evaluation of the BALF lymphocyte nuclear morphology would be useful in the differential diagnosis of ILDs with increased BALF lymphocyte fraction. Results One hundred and twenty-one patients with ILDs having increased BALF lymphocyte fraction were recruited (68 in the development cohort and 53 in the validation cohort). In the development cohort, BALF lymphocyte nuclei in sarcoidosis patients showed significantly smaller areas, shorter perimeters, lower radius ratios, and increased roundness than those of other ILD patients (p < 0.001 for each). Next, the fractions of lymphocytes with small areas, short perimeters, low radius ratios, and increased roundness, which were determined based on receiver operating characteristic (ROC) analyses-based thresholds, were demonstrated to be higher in sarcoidosis patients than in the other ILD patients (p < 0.001 for each). Furthermore, when we combined size-representing parameters with shape-representing parameters, the fraction of lymphocytes with small and round nuclei showed approximately 0.90 of area under the ROC curve in discriminating sarcoidosis both in the development cohort and the validation cohort. Conclusion This study is the first to demonstrate the usefulness of quantitative parameters of BALF lymphocyte nuclear morphology as novel biomarkers for sarcoidosis. Supplementary Information The online version contains supplementary material available at 10.1186/s13023-021-01926-x.
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Affiliation(s)
- Yasushi Horimasu
- Department of Respiratory Medicine, Hiroshima University Hospital, 1-2-3 Kasumi, Minami-ku, Hiroshima City, Hiroshima, 734-8551, Japan.
| | - Kakuhiro Yamaguchi
- Department of Respiratory Medicine, Hiroshima University Hospital, 1-2-3 Kasumi, Minami-ku, Hiroshima City, Hiroshima, 734-8551, Japan
| | - Shinjiro Sakamoto
- Department of Respiratory Medicine, Hiroshima University Hospital, 1-2-3 Kasumi, Minami-ku, Hiroshima City, Hiroshima, 734-8551, Japan
| | - Takeshi Masuda
- Department of Respiratory Medicine, Hiroshima University Hospital, 1-2-3 Kasumi, Minami-ku, Hiroshima City, Hiroshima, 734-8551, Japan
| | - Shintaro Miyamoto
- Department of Respiratory Medicine, Hiroshima University Hospital, 1-2-3 Kasumi, Minami-ku, Hiroshima City, Hiroshima, 734-8551, Japan
| | - Taku Nakashima
- Department of Respiratory Medicine, Hiroshima University Hospital, 1-2-3 Kasumi, Minami-ku, Hiroshima City, Hiroshima, 734-8551, Japan
| | - Hiroshi Iwamoto
- Department of Respiratory Medicine, Hiroshima University Hospital, 1-2-3 Kasumi, Minami-ku, Hiroshima City, Hiroshima, 734-8551, Japan
| | - Kazunori Fujitaka
- Department of Respiratory Medicine, Hiroshima University Hospital, 1-2-3 Kasumi, Minami-ku, Hiroshima City, Hiroshima, 734-8551, Japan
| | - Hironobu Hamada
- Department of Respiratory Medicine, Hiroshima University Hospital, 1-2-3 Kasumi, Minami-ku, Hiroshima City, Hiroshima, 734-8551, Japan
| | - Noboru Hattori
- Department of Respiratory Medicine, Hiroshima University Hospital, 1-2-3 Kasumi, Minami-ku, Hiroshima City, Hiroshima, 734-8551, Japan
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IL-18 binding protein can be a prognostic biomarker for idiopathic pulmonary fibrosis. PLoS One 2021; 16:e0252594. [PMID: 34086758 PMCID: PMC8177514 DOI: 10.1371/journal.pone.0252594] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2020] [Accepted: 05/19/2021] [Indexed: 11/19/2022] Open
Abstract
Idiopathic pulmonary fibrosis is a chronic, fibrosing interstitial pneumonia that presents with various clinical courses and progression ranging from rapid to slow. To identify novel biomarkers that can support the diagnosis and/or prognostic prediction of idiopathic pulmonary fibrosis, we performed gene expression analysis, and the mRNA of interleukin-18 binding protein was increasingly expressed in patients with idiopathic pulmonary fibrosis compared with healthy controls. Therefore, we hypothesized that the interleukin-18 binding protein can serve as a diagnostic and/or prognostic biomarker for idiopathic pulmonary fibrosis. We investigated the expression of interleukin-18 binding protein in lung tissue, bronchoalveolar lavage fluid, and serum. Additionally, the correlation between interleukin-18 binding protein expression levels and the extent of fibrosis was investigated using mouse models of lung fibrosis induced by subcutaneous bleomycin injections. Serum interleukin-18 binding protein levels were significantly higher in idiopathic pulmonary fibrosis patients (5.06 ng/mL, interquartile range [IQR]: 4.20–6.35) than in healthy volunteers (3.31 ng/mL, IQR: 2.84–3.99) (p < 0.001). Multivariate logistic regression models revealed that the correlation between serum interleukin-18 binding protein levels and idiopathic pulmonary fibrosis was statistically independent after adjustment for age, sex, and smoking status. Multivariate Cox proportional hazard models revealed that serum interleukin-18 binding protein levels were predictive of idiopathic pulmonary fibrosis disease prognosis independent of other covariate factors (hazard ratio: 1.655, 95% confidence interval: 1.224–2.237, p = 0.001). We also demonstrated a significant positive correlation between lung hydroxyproline expression levels and interleukin-18 binding protein levels in bronchoalveolar lavage fluid from bleomycin-treated mice (Spearman r = 0.509, p = 0.004). These results indicate the utility of interleukin-18 binding protein as a novel prognostic biomarker for idiopathic pulmonary fibrosis.
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Bowman WS, Echt GA, Oldham JM. Biomarkers in Progressive Fibrosing Interstitial Lung Disease: Optimizing Diagnosis, Prognosis, and Treatment Response. Front Med (Lausanne) 2021; 8:680997. [PMID: 34041256 PMCID: PMC8141562 DOI: 10.3389/fmed.2021.680997] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2021] [Accepted: 04/06/2021] [Indexed: 12/19/2022] Open
Abstract
Interstitial lung disease (ILD) comprises a heterogenous group of diffuse lung disorders that commonly result in irreversible pulmonary fibrosis. While idiopathic pulmonary fibrosis (IPF) is the prototypical progressive fibrosing ILD (PF-ILD), a high proportion of patients with other ILD subtypes develop a PF-ILD phenotype. Evidence exists for shared pathobiology leading to progressive fibrosis, suggesting that biomarkers of disease activity may prove informative across the wide spectrum of ILDs. Biomarker investigation to date has identified a number of molecular markers that predict relevant ILD endpoints, including disease presence, prognosis, and/or treatment response. In this review, we provide an overview of potentially informative biomarkers in patients with ILD, including those suggestive of a PF-ILD phenotype. We highlight the recent genomic, transcriptomic, and proteomic investigations that identified these biomarkers and discuss the body compartments in which they are found, including the peripheral blood, airway, and lung parenchyma. Finally, we identify critical gaps in knowledge within the field of ILD biomarker research and propose steps to advance the field toward biomarker implementation.
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Affiliation(s)
- Willis S Bowman
- Division of Pulmonary, Critical Care, and Sleep Medicine, University of California, Davis, Davis, CA, United States
| | - Gabrielle A Echt
- Division of Pulmonary, Critical Care, and Sleep Medicine, University of California, Davis, Davis, CA, United States
| | - Justin M Oldham
- Division of Pulmonary, Critical Care, and Sleep Medicine, University of California, Davis, Davis, CA, United States
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Aqrawi LA, Chen X, Hynne H, Amdal C, Reppe S, Aass HCD, Rykke M, Hove LH, Young A, Herlofson BB, Westgaard KL, Utheim TP, Galtung HK, Jensen JL. Cytokines Explored in Saliva and Tears from Radiated Cancer Patients Correlate with Clinical Manifestations, Influencing Important Immunoregulatory Cellular Pathways. Cells 2020; 9:cells9092050. [PMID: 32911805 PMCID: PMC7565699 DOI: 10.3390/cells9092050] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2020] [Revised: 08/31/2020] [Accepted: 09/04/2020] [Indexed: 12/13/2022] Open
Abstract
Although radiotherapy is a common form of treatment for head and neck cancer, it may lead to tissue damage in the salivary and lacrimal glands, possibly affecting cytokine expression in the gland fluid of treated individuals. Cytokine profiles in saliva and tear fluid of 29 radiated head and neck cancer patients and 20 controls were screened using a multiplex assay. Correlations between cytokine expression and clinical oral and ocular manifestations were examined, and cellular pathways influenced by these cytokines were assessed using the Functional Enrichment Analysis Tool. Significantly elevated cytokines identified in patient saliva were CCL21, IL-4, CX3CL1, CCL2, CXCL1 and CCL15. Many of these cytokines correlated positively with objective signs of oral dryness, and reduced saliva production in the patients. Although CCL21 and IL-4 levels were significantly lower in patient tear fluid, they correlated with subjective ocular symptoms. These increased salivary cytokines affected pro-inflammatory and apoptotic cellular pathways, including T cell signalling, several interleukin signalling pathways, TNF and TGF-β receptor signalling, and the apoptotic p53 pathway. In conclusion, the upregulated salivary cytokines identified suggest an interplay between innate and adaptive immunity, affecting immunoregulatory cellular pathways. Whether this is due to late effects of radiotherapy or tissue repair remains to be investigated.
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Affiliation(s)
- Lara A. Aqrawi
- Department of Oral Surgery and Oral Medicine, Faculty of Dentistry, University of Oslo, 0317 Oslo, Norway; (L.A.A.); (X.C.); (H.H.); (B.B.H.); (K.L.W.); (J.L.J.)
- Department of Health Sciences, Kristiania University College, 0153 Oslo, Norway
| | - Xiangjun Chen
- Department of Oral Surgery and Oral Medicine, Faculty of Dentistry, University of Oslo, 0317 Oslo, Norway; (L.A.A.); (X.C.); (H.H.); (B.B.H.); (K.L.W.); (J.L.J.)
| | - Håvard Hynne
- Department of Oral Surgery and Oral Medicine, Faculty of Dentistry, University of Oslo, 0317 Oslo, Norway; (L.A.A.); (X.C.); (H.H.); (B.B.H.); (K.L.W.); (J.L.J.)
| | - Cecilie Amdal
- Section for Head and Neck Oncology, Oslo University Hospital, 0379 Oslo, Norway;
| | - Sjur Reppe
- Department of Medical Biochemistry, Oslo University Hospital, 0450 Oslo, Norway; (S.R.); (H.C.D.A.); (T.P.U.)
| | - Hans Christian D. Aass
- Department of Medical Biochemistry, Oslo University Hospital, 0450 Oslo, Norway; (S.R.); (H.C.D.A.); (T.P.U.)
| | - Morten Rykke
- Department of Cariology and Gerodontology, Faculty of Dentistry, University of Oslo, 0455 Oslo, Norway; (M.R.); (L.H.H.); (A.Y.)
| | - Lene Hystad Hove
- Department of Cariology and Gerodontology, Faculty of Dentistry, University of Oslo, 0455 Oslo, Norway; (M.R.); (L.H.H.); (A.Y.)
| | - Alix Young
- Department of Cariology and Gerodontology, Faculty of Dentistry, University of Oslo, 0455 Oslo, Norway; (M.R.); (L.H.H.); (A.Y.)
| | - Bente Brokstad Herlofson
- Department of Oral Surgery and Oral Medicine, Faculty of Dentistry, University of Oslo, 0317 Oslo, Norway; (L.A.A.); (X.C.); (H.H.); (B.B.H.); (K.L.W.); (J.L.J.)
- Department of Otorhinolaryngology-Head and Neck Surgery Division for Head, Neck and Reconstructive Surgery, Oslo University Hospital, 0450 Oslo, Norway
| | - Kristine Løken Westgaard
- Department of Oral Surgery and Oral Medicine, Faculty of Dentistry, University of Oslo, 0317 Oslo, Norway; (L.A.A.); (X.C.); (H.H.); (B.B.H.); (K.L.W.); (J.L.J.)
- Department of Otorhinolaryngology-Head and Neck Surgery Division for Head, Neck and Reconstructive Surgery, Oslo University Hospital, 0450 Oslo, Norway
| | - Tor Paaske Utheim
- Department of Medical Biochemistry, Oslo University Hospital, 0450 Oslo, Norway; (S.R.); (H.C.D.A.); (T.P.U.)
- Department of Plastic and Reconstructive Surgery, Oslo University Hospital, 0450 Oslo, Norway
- Department of Oral Biology, Faculty of Dentistry, University of Oslo, 0316 Oslo, Norway
- The Norwegian Dry Eye Clinic, 0366 Oslo, Norway
| | - Hilde Kanli Galtung
- Department of Oral Biology, Faculty of Dentistry, University of Oslo, 0316 Oslo, Norway
- Correspondence: ; Tel.: +47-2284-0338
| | - Janicke Liaaen Jensen
- Department of Oral Surgery and Oral Medicine, Faculty of Dentistry, University of Oslo, 0317 Oslo, Norway; (L.A.A.); (X.C.); (H.H.); (B.B.H.); (K.L.W.); (J.L.J.)
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Yamaguchi K, Iwamoto H, Mazur W, Miura S, Sakamoto S, Horimasu Y, Masuda T, Miyamoto S, Nakashima T, Ohshimo S, Fujitaka K, Hamada H, Hattori N. Reduced endogenous secretory RAGE in blood and bronchoalveolar lavage fluid is associated with poor prognosis in idiopathic pulmonary fibrosis. Respir Res 2020; 21:145. [PMID: 32527263 PMCID: PMC7291663 DOI: 10.1186/s12931-020-01410-3] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2019] [Accepted: 05/31/2020] [Indexed: 12/16/2022] Open
Abstract
Background The endogenous secretory receptor for advanced glycation end products (esRAGE) is a soluble isoform produced by alternative splicing of the RAGE gene. The isoform has anti-inflammatory properties due to its inhibition of the RAGE/ligand interaction and is reduced in the lung tissue of patients with idiopathic pulmonary fibrosis (IPF). This study aimed to investigate the association of esRAGE serum and bronchoalveolar lavage fluid (BALF) levels with progression of IPF. Methods This study included 79 IPF patients and 90 healthy controls. IPF and control serum esRAGE levels were compared, and the correlation between serum and BALF esRAGE levels was analyzed in 57 IPF patient samples. We also investigated the relationship of esRAGE serum and BALF levels with prognoses and lung function parameters in patients with IPF. Results Serum esRAGE levels in IPF patients were significantly lower than those in healthy controls (162.0 ± 102.4 ng/ml and 200.7 ± 107.3 ng/ml, p = 0.009), although the baseline characteristics of age and smoking history were not matched. Serum levels of esRAGE were correlated with BALF esRAGE levels (rs = 0.317). The BALF esRAGE levels were also correlated with diffusion capacity for carbon monoxide (rs = 0.406). A Kaplan-Meier curve analysis and univariate/multivariate Cox hazard proportion analysis revealed that lower levels of esRAGE in blood and BALF were significantly associated with poorer prognoses in patients with IPF. Conclusions Decreased esRAGE levels in BALF and blood were associated with poor prognoses in patients with IPF. These results suggest that esRAGE could be related to the pathophysiology of IPF and serum esRAGE could be a potential prognostic marker of IPF.
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Affiliation(s)
- Kakuhiro Yamaguchi
- Department of Molecular and Internal Medicine, Graduate School of Biomedical and Health Sciences, Hiroshima University, 1-2-3 Kasumi, Minami-ku, Hiroshima, 734-8551, Japan
| | - Hiroshi Iwamoto
- Department of Molecular and Internal Medicine, Graduate School of Biomedical and Health Sciences, Hiroshima University, 1-2-3 Kasumi, Minami-ku, Hiroshima, 734-8551, Japan.
| | - Witold Mazur
- Heart and Lung Centre, Division of Pulmonary Medicine, University of Helsinki and Helsinki University Central Hospital, Helsinki, Finland
| | - Shinichiro Miura
- Department of Molecular and Internal Medicine, Graduate School of Biomedical and Health Sciences, Hiroshima University, 1-2-3 Kasumi, Minami-ku, Hiroshima, 734-8551, Japan
| | - Shinjiro Sakamoto
- Department of Molecular and Internal Medicine, Graduate School of Biomedical and Health Sciences, Hiroshima University, 1-2-3 Kasumi, Minami-ku, Hiroshima, 734-8551, Japan
| | - Yasushi Horimasu
- Department of Molecular and Internal Medicine, Graduate School of Biomedical and Health Sciences, Hiroshima University, 1-2-3 Kasumi, Minami-ku, Hiroshima, 734-8551, Japan
| | - Takeshi Masuda
- Department of Molecular and Internal Medicine, Graduate School of Biomedical and Health Sciences, Hiroshima University, 1-2-3 Kasumi, Minami-ku, Hiroshima, 734-8551, Japan
| | - Shintaro Miyamoto
- Department of Molecular and Internal Medicine, Graduate School of Biomedical and Health Sciences, Hiroshima University, 1-2-3 Kasumi, Minami-ku, Hiroshima, 734-8551, Japan
| | - Taku Nakashima
- Department of Molecular and Internal Medicine, Graduate School of Biomedical and Health Sciences, Hiroshima University, 1-2-3 Kasumi, Minami-ku, Hiroshima, 734-8551, Japan
| | - Shinichiro Ohshimo
- Department of Emergency and Critical Care Medicine, Graduate School of Biomedical and Health Sciences, Hiroshima University, Hiroshima, Japan
| | - Kazunori Fujitaka
- Department of Molecular and Internal Medicine, Graduate School of Biomedical and Health Sciences, Hiroshima University, 1-2-3 Kasumi, Minami-ku, Hiroshima, 734-8551, Japan
| | - Hironobu Hamada
- Department of Physical Analysis and Therapeutic Sciences, Graduate School of Biomedical and Health Sciences, Hiroshima University, Hiroshima, Japan
| | - Noboru Hattori
- Department of Molecular and Internal Medicine, Graduate School of Biomedical and Health Sciences, Hiroshima University, 1-2-3 Kasumi, Minami-ku, Hiroshima, 734-8551, Japan
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