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FitzGerald GA. COX Postulates: Remember the Fibroblast. Arterioscler Thromb Vasc Biol 2024; 44:287-289. [PMID: 37970715 DOI: 10.1161/atvbaha.123.320199] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2023]
Affiliation(s)
- Garret A FitzGerald
- Institute for Translational Medicine and Therapeutics, University of Pennsylvania, PA
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Ye X, Zhang M, Gu H, Liu M, Zhao Y, Shi Y, Wu S, Jiang C, Ye X, Zhu H, Li Q, Huang X, Cao M. Animal models of acute exacerbation of pulmonary fibrosis. Respir Res 2023; 24:296. [PMID: 38007420 PMCID: PMC10675932 DOI: 10.1186/s12931-023-02595-z] [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: 07/05/2023] [Accepted: 11/07/2023] [Indexed: 11/27/2023] Open
Abstract
Idiopathic pulmonary fibrosis (IPF) is a chronic, progressive scarring interstitial lung disease with an unknown cause. Some patients may experience acute exacerbations (AE), which result in severe lung damage visible on imaging or through examination of tissue samples, often leading to high mortality rates. However, the etiology and pathogenesis of AE-IPF remain unclear. AE-IPF patients exhibit diffuse lung damage, apoptosis of type II alveolar epithelial cells, and an excessive inflammatory response. Establishing a reliable animal model of AE is critical for investigating the pathogenesis. Recent studies have reported a variety of animal models for AE-IPF, each with its own advantages and disadvantages. These models are usually established in mice with bleomycin-induced pulmonary fibrosis, using viruses, bacteria, small peptides, or specific drugs. In this review, we present an overview of different AE models, hoping to provide a useful resource for exploring the mechanisms and targeted therapies for AE-IPF.
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Affiliation(s)
- Xu Ye
- Department of Respiratory and Critical Care Medicine, Nanjing Drum Tower Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing, Jiangsu, China
| | - Mingrui Zhang
- Department of Respiratory and Critical Care Medicine, Nanjing Drum Tower Hospital, Drum Tower Clinical Medical College, Nanjing University of Chinese Medicine, Nanjing, China
| | - Huimin Gu
- Department of Respiratory and Critical Care Medicine, Nanjing Drum Tower Hospital, Drum Tower Clinical Medical College, Nanjing Medical University, Nanjing, China
| | - Mengying Liu
- Department of Respiratory and Critical Care Medicine, Nanjing Drum Tower Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing, Jiangsu, China
| | - Yichao Zhao
- Department of Respiratory and Critical Care Medicine, Nanjing Drum Tower Hospital, Drum Tower Clinical Medical College, Nanjing University of Chinese Medicine, Nanjing, China
| | - Yanchen Shi
- Department of Respiratory and Critical Care Medicine, Nanjing Drum Tower Hospital, Drum Tower Clinical Medical College, Nanjing University of Chinese Medicine, Nanjing, China
| | - Shufei Wu
- Department of Respiratory and Critical Care Medicine, Nanjing Drum Tower Hospital, Drum Tower Clinical Medical College, Nanjing University of Chinese Medicine, Nanjing, China
| | - Cheng Jiang
- Department of Respiratory and Critical Care Medicine, Nanjing Drum Tower Hospital, Drum Tower Clinical Medical College, Nanjing University of Chinese Medicine, Nanjing, China
| | - Xiaoling Ye
- Department of Respiratory and Critical Care Medicine, Nanjing Drum Tower Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing, Jiangsu, China
| | - Huihui Zhu
- Department of Respiratory and Critical Care Medicine, Nanjing Drum Tower Hospital, Drum Tower Clinical Medical College, Nanjing University of Chinese Medicine, Nanjing, China
| | - Qi Li
- Department of Respiratory and Critical Care Medicine, Nanjing Drum Tower Hospital, Drum Tower Clinical Medical College, Nanjing University of Chinese Medicine, Nanjing, China
| | - Xinmei Huang
- Department of Respiratory and Critical Care Medicine, Nanjing Drum Tower Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing, Jiangsu, China.
- Nanjing Institute of Respiratory Diseases, Nanjing, China.
| | - Mengshu Cao
- Department of Respiratory and Critical Care Medicine, Nanjing Drum Tower Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing, Jiangsu, China.
- Department of Respiratory and Critical Care Medicine, Nanjing Drum Tower Hospital, Drum Tower Clinical Medical College, Nanjing University of Chinese Medicine, Nanjing, China.
- Department of Respiratory and Critical Care Medicine, Nanjing Drum Tower Hospital, Drum Tower Clinical Medical College, Nanjing Medical University, Nanjing, China.
- Nanjing Institute of Respiratory Diseases, Nanjing, China.
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Farina N, Campochiaro C, Lescoat A, Benanti G, De Luca G, Khanna D, Dagna L, Matucci-Cerinic M. Drug development and novel therapeutics to ensure a personalized approach in the treatment of systemic sclerosis. Expert Rev Clin Immunol 2023; 19:1131-1142. [PMID: 37366065 DOI: 10.1080/1744666x.2023.2230370] [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: 03/24/2023] [Accepted: 06/23/2023] [Indexed: 06/28/2023]
Abstract
INTRODUCTION Systemic sclerosis (SSc) is a systemic disease encompassing autoimmunity, vasculopathy, and fibrosis. SSc is still burdened by high mortality and morbidity rates. Recent advances in understanding the pathogenesis of SSc have identified novel potential therapeutic targets. Several clinical trials have been subsequently designed to evaluate the efficacy of a number of new drugs. The aim of this review is to provide clinicians with useful information about these novel molecules. AREA COVERED In this narrative review, we summarize the available evidence regarding the most promising targeted therapies currently under investigation for the treatment of SSc. These medications include kinase inhibitors, B-cell depleting agents, and interleukin inhibitors. EXPERT OPINION Over the next five years, several new, targeted drugs will be introduced in clinical practice for the treatment of SSc. Such pharmacological agents will expand the existing pharmacopoeia and enable a more personalized and effective approach to patients with SSc. Thus, it will not only possible to target a specific disease domain, but also different stages of the disease.
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Affiliation(s)
- N Farina
- Unit of Immunology, Rheumatology, Allergy and Rare diseases, IRCCS San Raffaele Hospital, Milan, Italy
| | - C Campochiaro
- Unit of Immunology, Rheumatology, Allergy and Rare diseases, IRCCS San Raffaele Hospital, Milan, Italy
- Vita-Salute San Raffaele University, Milan, Italy
| | - A Lescoat
- Department of Internal Medicine and Clinical Immunology, Rennes University Hospital, Rennes, France
| | - G Benanti
- Unit of Immunology, Rheumatology, Allergy and Rare diseases, IRCCS San Raffaele Hospital, Milan, Italy
- Vita-Salute San Raffaele University, Milan, Italy
| | - G De Luca
- Unit of Immunology, Rheumatology, Allergy and Rare diseases, IRCCS San Raffaele Hospital, Milan, Italy
- Vita-Salute San Raffaele University, Milan, Italy
| | - D Khanna
- Department of Internal Medicine, University of Michigan, Ann Arbor, USA
| | - L Dagna
- Unit of Immunology, Rheumatology, Allergy and Rare diseases, IRCCS San Raffaele Hospital, Milan, Italy
- Vita-Salute San Raffaele University, Milan, Italy
| | - M Matucci-Cerinic
- Unit of Immunology, Rheumatology, Allergy and Rare diseases, IRCCS San Raffaele Hospital, Milan, Italy
- Department of Experimental and Clinical Medicine, University of Florence, Florence, Italy
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Smith DJF, Jenkins RG. Contemporary Concise Review 2022: Interstitial lung disease. Respirology 2023; 28:627-635. [PMID: 37121779 DOI: 10.1111/resp.14511] [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: 04/09/2023] [Accepted: 04/12/2023] [Indexed: 05/02/2023]
Abstract
Novel genetic associations for idiopathic pulmonary fibrosis (IPF) risk have been identified. Common genetic variants associated with IPF are also associated with chronic hypersensitivity pneumonitis. The characterization of underlying mechanisms, such as pathways involved in myofibroblast differentiation, may reveal targets for future treatments. Newly identified circulating biomarkers are associated with disease progression and mortality. Deep learning and machine learning may increase accuracy in the interpretation of CT scans. Novel treatments have shown benefit in phase 2 clinical trials. Hospitalization with COVID-19 is associated with residual lung abnormalities in a substantial number of patients. Inequalities exist in delivering and accessing interstitial lung disease specialist care.
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Affiliation(s)
- David J F Smith
- National Heart and Lung Institute, Imperial College London, London, UK
- Department of Interstitial Lung Disease, Royal Brompton and Harefield Hospital, Guys and St Thomas' NHS Foundation Trust, London, UK
| | - R Gisli Jenkins
- National Heart and Lung Institute, Imperial College London, London, UK
- Department of Interstitial Lung Disease, Royal Brompton and Harefield Hospital, Guys and St Thomas' NHS Foundation Trust, London, UK
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Lv X, Chen Q, Zhang Z, Du K, Huang Y, Li X, Zeng Y. αCGRP deficiency aggravates pulmonary fibrosis by activating the PPARγ signaling pathway. Genes Immun 2023:10.1038/s41435-023-00206-x. [PMID: 37231189 DOI: 10.1038/s41435-023-00206-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2022] [Revised: 04/09/2023] [Accepted: 04/17/2023] [Indexed: 05/27/2023]
Abstract
In order to explore whether αCGRP (Calca) deficiency aggravates pulmonary fibrosis (PF). Clinical data from patients with PF (n = 52) were retrospectively analyzed. Lung tissue from a bleomycin (BLM)-induced rat model was compared with that of Calca-knockout (KO) and wild type (WT) using immunohistochemistry, RNA-seq, and UPLC-MS/MS metabolomic analyses. The results showed that decreased αCGRP expression and activation of the type 2 immune response were detected in patients with PF. In BLM-induced and Calca-KO rats, αCGRP deficiency potentiated apoptosis of AECs and induced M2 macrophages. RNA-seq identified enrichment of pathways involved in nuclear translocation and immune system disorders in Calca-KO rats compared to WT. Mass spectrometry of lung tissue from Calca-KO rats showed abnormal lipid metabolism, including increased levels of LTB4, PDX, 1-HETE. PPAR pathway signaling was significantly induced in both transcriptomic and metabolomic datasets in Calca-KO rats, and immunofluorescence analysis confirmed that the nuclear translocation of PPARγ in BLM-treated and Calca-KO rats was synchronized with STAT6 localization in the cytoplasmic and nuclear fractions. In conclusion, αCGRP is protective against PF, and αCGRP deficiency promotes M2 polarization of macrophages, probably by activating the PPARγ pathway, which leads to activation of the type 2 immune response and accelerates PF development.
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Affiliation(s)
- Xiaoting Lv
- Department of Respiratory and Critical Care Medicine, the First Affiliated Hospital of Fujian Medical University, Fuzhou, 350005, China
- Department of Respiratory and Critical Care Medicine, National Regional Medical Center, Binhai Campus of the First Affiliated Hospital, Fujian Medical University, Fuzhou, 350212, China
- Institute of Respiratory Disease, Fujian Medical University, Fuzhou, 350005, China
| | - Qingquan Chen
- Department of Laboratory Medicine, School of Medical Technology and Engineering, Fujian Medical University, Fuzhou, 350004, China
| | - Zewei Zhang
- School of Medical Technology and Engineering, Fujian Medical University, Fuzhou, Fujian, 350004, China
| | - Kaili Du
- School of Medical Technology and Engineering, Fujian Medical University, Fuzhou, Fujian, 350004, China
| | - Yaping Huang
- School of Medical Technology and Engineering, Fujian Medical University, Fuzhou, Fujian, 350004, China
| | - Xingzhe Li
- School of Medical Technology and Engineering, Fujian Medical University, Fuzhou, Fujian, 350004, China
| | - Yiming Zeng
- Department of Pulmonary and Critical Care Medicine, the Second Affiliated Hospital of Fujian Medical University, Respirology Medicine Centre of Fujian Province, Quanzhou, China.
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Sierra-Vargas MP, Montero-Vargas JM, Debray-García Y, Vizuet-de-Rueda JC, Loaeza-Román A, Terán LM. Oxidative Stress and Air Pollution: Its Impact on Chronic Respiratory Diseases. Int J Mol Sci 2023; 24:853. [PMID: 36614301 PMCID: PMC9821141 DOI: 10.3390/ijms24010853] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2022] [Revised: 12/20/2022] [Accepted: 12/22/2022] [Indexed: 01/05/2023] Open
Abstract
Redox regulation participates in the control of various aspects of metabolism. Reactive oxygen and nitrogen species participate in many reactions under physiological conditions. When these species overcome the antioxidant defense system, a distressed status emerges, increasing biomolecular damage and leading to functional alterations. Air pollution is one of the exogenous sources of reactive oxygen and nitrogen species. Ambient airborne particulate matter (PM) is important because of its complex composition, which includes transition metals and organic compounds. Once in contact with the lungs' epithelium, PM components initiate the synthesis of inflammatory mediators, macrophage activation, modulation of gene expression, and the activation of transcription factors, which are all related to the physiopathology of chronic respiratory diseases, including cancer. Even though the pathophysiological pathways that give rise to the development of distress and biological damage are not fully understood, scientific evidence indicates that redox-dependent signaling pathways are involved. This article presents an overview of the redox interaction of air pollution inside the human body and the courses related to chronic respiratory diseases.
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Affiliation(s)
- Martha Patricia Sierra-Vargas
- Departmento de Investigación en Toxicología y Medicina Ambiental, Instituto Nacional de Enfermedades Respiratorias Ismael Cosío Villegas (INER), Ciudad de México 14080, Mexico
| | - Josaphat Miguel Montero-Vargas
- Departmento de Investigación en Inmunogenética y Alergia, Instituto Nacional de Enfermedades Respiratorias Ismael Cosío Villegas (INER), Ciudad de México 14080, Mexico
| | - Yazmín Debray-García
- Departmento de Investigación en Toxicología y Medicina Ambiental, Instituto Nacional de Enfermedades Respiratorias Ismael Cosío Villegas (INER), Ciudad de México 14080, Mexico
| | - Juan Carlos Vizuet-de-Rueda
- Departmento de Investigación en Inmunogenética y Alergia, Instituto Nacional de Enfermedades Respiratorias Ismael Cosío Villegas (INER), Ciudad de México 14080, Mexico
| | - Alejandra Loaeza-Román
- Departmento de Investigación en Toxicología y Medicina Ambiental, Instituto Nacional de Enfermedades Respiratorias Ismael Cosío Villegas (INER), Ciudad de México 14080, Mexico
| | - Luis M. Terán
- Departmento de Investigación en Inmunogenética y Alergia, Instituto Nacional de Enfermedades Respiratorias Ismael Cosío Villegas (INER), Ciudad de México 14080, Mexico
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Physiological Effects of Ferroptosis on Organ Fibrosis. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2022; 2022:5295434. [PMID: 36238649 PMCID: PMC9553398 DOI: 10.1155/2022/5295434] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/27/2022] [Revised: 09/12/2022] [Accepted: 09/14/2022] [Indexed: 12/16/2022]
Abstract
Ferroptosis is a new type of programmed cell death with unique morphological, biochemical, and genetic features. From the initial study of histomorphology to the exploration of subcellular organelles and even molecular mechanisms, a net connecting ferroptosis and fibrosis is being woven and formed. Inflammation may be the bridge between both processes. In this review, we will discuss the ferroptosis theory and process and the physiological functions of ferroptosis, followed by a description of the pathological effects and the underlying mechanisms of ferroptosis in the pathogenesis of tumorigenesis, ischemic damage, degenerative lesions, autoimmune diseases, and necroinflammation. We then focus on the role of ferroptosis in the fibrosis process in the liver, lung, kidney, heart, and other organs. Although the molecular mechanism of ferroptosis has been explored extensively in the past few years, many challenges remain to be resolved to translate this information into antifibrotic practice, which is becoming a promising new direction in the field of fibrotic disease prevention and treatment.
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The Role and Regulation of Thromboxane A2 Signaling in Cancer-Trojan Horses and Misdirection. Molecules 2022; 27:molecules27196234. [PMID: 36234768 PMCID: PMC9573598 DOI: 10.3390/molecules27196234] [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: 08/17/2022] [Revised: 09/09/2022] [Accepted: 09/09/2022] [Indexed: 11/24/2022] Open
Abstract
Over the last two decades, there has been an increasing awareness of the role of eicosanoids in the development and progression of several types of cancer, including breast, prostate, lung, and colorectal cancers. Several processes involved in cancer development, such as cell growth, migration, and angiogenesis, are regulated by the arachidonic acid derivative thromboxane A2 (TXA2). Higher levels of circulating TXA2 are observed in patients with multiple cancers, and this is accompanied by overexpression of TXA2 synthase (TBXAS1, TXA2S) and/or TXA2 receptors (TBXA2R, TP). Overexpression of TXA2S or TP in tumor cells is generally associated with poor prognosis, reduced survival, and metastatic disease. However, the role of TXA2 signaling in the stroma during oncogenesis has been underappreciated. TXA2 signaling regulates the tumor microenvironment by modulating angiogenic potential, tumor ECM stiffness, and host immune response. Moreover, the by-products of TXA2S are highly mutagenic and oncogenic, adding to the overall phenotype where TXA2 synthesis promotes tumor formation at various levels. The stability of synthetic enzymes and receptors in this pathway in most cancers (with few mutations reported) suggests that TXA2 signaling is a viable target for adjunct therapy in various tumors to reduce immune evasion, primary tumor growth, and metastasis.
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Thatcher TH, Peters-Golden M. From Biomarker to Mechanism? F2-isoprostanes in Pulmonary Fibrosis. Am J Respir Crit Care Med 2022; 206:530-532. [PMID: 35763804 DOI: 10.1164/rccm.202205-0914ed] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Affiliation(s)
- Thomas H Thatcher
- Virginia Commonwealth University, 6889, Pulmonary and Critical Care Medicine, Richmond, Virginia, United States;
| | - Marc Peters-Golden
- University of Michigan Medical School, 12266, Division of Pulmonary and Critical Care Medicine, Department of Internal Medicine, Ann Arbor, Michigan, United States
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