51
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Li X, Kim SE, Chen TY, Wang J, Yang X, Tabib T, Tan J, Guo B, Fung S, Zhao J, Sembrat J, Rojas M, Shiva S, Lafyatis R, St Croix C, Alder JK, Di YP, Kass DJ, Zhang Y. Toll interacting protein protects bronchial epithelial cells from bleomycin-induced apoptosis. FASEB J 2020; 34:9884-9898. [PMID: 32596871 DOI: 10.1096/fj.201902636rr] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2019] [Revised: 04/10/2020] [Accepted: 04/20/2020] [Indexed: 12/16/2022]
Abstract
Idiopathic pulmonary fibrosis (IPF) is characterized by altered epithelial cell phenotypes, which are associated with myofibroblast accumulation in the lung. Atypical alveolar epithelial cells in IPF express molecular markers of airway epithelium. Polymorphisms within and around Toll interacting protein (TOLLIP) are associated with the susceptibility to IPF and mortality. However, the functional role of TOLLIP in IPF is unknown. Using lung tissues from IPF and control subjects, we showed that expression of TOLLIP gene in the lung parenchyma is globally lower in IPF compared to controls. Lung cells expressing significant levels of TOLLIP include macrophages, alveolar type II, and basal cells. TOLLIP protein expression is lower in the parenchyma of IPF lungs but is expressed in the atypical epithelial cells of the distal fibrotic regions. Using overexpression and silencing approaches, we demonstrate that TOLLIP protects cells from bleomycin-induced apoptosis using primary bronchial epithelial cells and BEAS-2B cells. The protective effects are mediated by reducing mitochondrial reactive oxygen species (ROS) levels and upregulating autophagy. Therefore, global downregulation of the TOLLIP gene in IPF lungs may predispose injured lung epithelial cells to apoptosis and to the development of IPF.
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Affiliation(s)
- Xiaoyun Li
- Division of Pulmonary, Allergy and Critical Care Medicine and the Dorothy P. and Richard P. Simmons Center for Interstitial Lung Disease, University of Pittsburgh, Pittsburgh, PA, USA
| | - Sharon E Kim
- Division of Pulmonary, Allergy and Critical Care Medicine and the Dorothy P. and Richard P. Simmons Center for Interstitial Lung Disease, University of Pittsburgh, Pittsburgh, PA, USA
| | - Ting-Yun Chen
- Division of Pulmonary, Allergy and Critical Care Medicine and the Dorothy P. and Richard P. Simmons Center for Interstitial Lung Disease, University of Pittsburgh, Pittsburgh, PA, USA.,Institute of Allied Health Sciences, National Cheng Kung University, Tainan, Taiwan
| | - Juan Wang
- Division of Pulmonary, Allergy and Critical Care Medicine and the Dorothy P. and Richard P. Simmons Center for Interstitial Lung Disease, University of Pittsburgh, Pittsburgh, PA, USA.,Department of Pulmonary Medicine, Tianjin Medical University, Tianjin, China
| | - Xia Yang
- Division of Pulmonary, Allergy and Critical Care Medicine and the Dorothy P. and Richard P. Simmons Center for Interstitial Lung Disease, University of Pittsburgh, Pittsburgh, PA, USA.,Department of Pulmonary Medicine, Tianjin Medical University, Tianjin, China
| | - Tracy Tabib
- Division of Rheumatology and Clinical Immunology, University of Pittsburgh, Pittsburgh, PA, USA
| | - Jiangning Tan
- Division of Pulmonary, Allergy and Critical Care Medicine and the Dorothy P. and Richard P. Simmons Center for Interstitial Lung Disease, University of Pittsburgh, Pittsburgh, PA, USA
| | - Brandon Guo
- Division of Pulmonary, Allergy and Critical Care Medicine and the Dorothy P. and Richard P. Simmons Center for Interstitial Lung Disease, University of Pittsburgh, Pittsburgh, PA, USA
| | - Sonia Fung
- Division of Pulmonary, Allergy and Critical Care Medicine and the Dorothy P. and Richard P. Simmons Center for Interstitial Lung Disease, University of Pittsburgh, Pittsburgh, PA, USA
| | - Jing Zhao
- Department of Physiology and Cell Biology, Ohio State University, Columbus, OH, USA
| | - John Sembrat
- Division of Pulmonary, Allergy and Critical Care Medicine and the Dorothy P. and Richard P. Simmons Center for Interstitial Lung Disease, University of Pittsburgh, Pittsburgh, PA, USA
| | - Mauricio Rojas
- Division of Pulmonary, Allergy and Critical Care Medicine and the Dorothy P. and Richard P. Simmons Center for Interstitial Lung Disease, University of Pittsburgh, Pittsburgh, PA, USA
| | - Sruti Shiva
- Vascular Medicine Institute and Department of Pharmacology & Chemical Biology, University of Pittsburgh, Pittsburgh, PA, USA
| | - Robert Lafyatis
- Division of Rheumatology and Clinical Immunology, University of Pittsburgh, Pittsburgh, PA, USA
| | - Claudette St Croix
- Center for Biological Imaging, University of Pittsburgh, Pittsburgh, PA, USA
| | - Jonathan K Alder
- Division of Pulmonary, Allergy and Critical Care Medicine and the Dorothy P. and Richard P. Simmons Center for Interstitial Lung Disease, University of Pittsburgh, Pittsburgh, PA, USA
| | - Y Peter Di
- Department of Environmental and Occupational Health, University of Pittsburgh, PA, USA
| | - Daniel J Kass
- Division of Pulmonary, Allergy and Critical Care Medicine and the Dorothy P. and Richard P. Simmons Center for Interstitial Lung Disease, University of Pittsburgh, Pittsburgh, PA, USA
| | - Yingze Zhang
- Division of Pulmonary, Allergy and Critical Care Medicine and the Dorothy P. and Richard P. Simmons Center for Interstitial Lung Disease, University of Pittsburgh, Pittsburgh, PA, USA.,Department of Human Genetics, University of Pittsburgh, Pittsburgh, PA, USA
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52
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Nathan SD, Brown AW, Mogulkoc N, Soares F, Collins AC, Cheng J, Peterson J, Cannon B, King CS, Barnett SD. The association between white blood cell count and outcomes in patients with idiopathic pulmonary fibrosis. Respir Med 2020; 170:106068. [PMID: 32843183 DOI: 10.1016/j.rmed.2020.106068] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/03/2020] [Revised: 06/07/2020] [Accepted: 06/15/2020] [Indexed: 12/23/2022]
Abstract
BACKGROUND The course of idiopathic pulmonary fibrosis (IPF) is uncertain with variable patterns of disease progression. We sought to evaluate the prognostic utility of the WBC, a routinely performed lab test, in a well-defined cohort of outpatient IPF subjects. METHODS We reviewed IPF patient records from two independent ILD centers (Inova Fairfax in Falls Church, VA, USA and Ege University Hospital in Izmir, Turkey) between 2007 and 2018. Demographics, CBC data, and patient outcomes were obtained. Survival differences were analyzed. RESULTS There were 436 IPF outpatients in the cohort with a median WBC of 8.9 × 109 cells per liter. For pragmatic purposes, patients were categorized into two groups, WBC ≥9 or WBC <9. Patients with WBC <9 had a median transplant-free survival of 50.5 months from the time of the CBC, compared to 32.4 months for those with WBC ≥9 (p < 0.0001). The association between WBC and attenuated survival remained significant after adjusting for GAP stage, steroid use, and antifibrotic use when WBC was analyzed both as a continuous (HR: 1.11; 95% CI: 1.05-1.17) and a dichotomized variable (high (WBC ≥9) vs. low (WBC <9), (HR: 1.53; 95% CI:1.09-2.15). WBC and absolute neutrophil count (ANC) were highly correlated suggesting that PMNs account for most of this association (r = 0.92). CONCLUSIONS Baseline WBC may impart important and readily available prognostic information in outpatients with IPF. Further studies are warranted to validate this as a potential biomarker for IPF, as well as to define the biologic basis for the association.
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Affiliation(s)
- Steven D Nathan
- Advanced Lung Disease Program, Department of Medicine, Inova Fairfax Hospital, Falls Church, VA, USA.
| | - A Whitney Brown
- Advanced Lung Disease Program, Department of Medicine, Inova Fairfax Hospital, Falls Church, VA, USA
| | - Nesrin Mogulkoc
- Department of Pulmonology, Ege University Hospital, Bornova, Izmir, Turkey
| | - Flavia Soares
- Advanced Lung Disease Program, Department of Medicine, Inova Fairfax Hospital, Falls Church, VA, USA; Department of Internal Medicine, Federal University of Espirito Santo (UFES), Vitoria, ES, Brazil
| | - Ashley C Collins
- Advanced Lung Disease Program, Department of Medicine, Inova Fairfax Hospital, Falls Church, VA, USA
| | - Joyce Cheng
- Advanced Lung Disease Program, Department of Medicine, Inova Fairfax Hospital, Falls Church, VA, USA
| | - Jake Peterson
- Advanced Lung Disease Program, Department of Medicine, Inova Fairfax Hospital, Falls Church, VA, USA
| | - Brenna Cannon
- Advanced Lung Disease Program, Department of Medicine, Inova Fairfax Hospital, Falls Church, VA, USA
| | - Christopher S King
- Advanced Lung Disease Program, Department of Medicine, Inova Fairfax Hospital, Falls Church, VA, USA
| | - Scott D Barnett
- Advanced Lung Disease Program, Department of Medicine, Inova Fairfax Hospital, Falls Church, VA, USA
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53
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Sgalla G, Kulkarni T, Antin-Ozerkis D, Thannickal VJ, Richeldi L. Update in Pulmonary Fibrosis 2018. Am J Respir Crit Care Med 2020; 200:292-300. [PMID: 31022351 DOI: 10.1164/rccm.201903-0542up] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023] Open
Affiliation(s)
- Giacomo Sgalla
- 1Fondazione Policlinico Universitario A. Gemelli IRCCS, Università Cattolica del Sacro Cuore, Rome, Italy
| | - Tejaswini Kulkarni
- 2Division of Pulmonary, Allergy and Critical Care Medicine, Department of Medicine, University of Alabama at Birmingham, Birmingham, Alabama; and
| | - Danielle Antin-Ozerkis
- 3Section of Pulmonary, Critical Care and Sleep Medicine, Yale School of Medicine, New Haven, Connecticut
| | - Victor J Thannickal
- 2Division of Pulmonary, Allergy and Critical Care Medicine, Department of Medicine, University of Alabama at Birmingham, Birmingham, Alabama; and
| | - Luca Richeldi
- 1Fondazione Policlinico Universitario A. Gemelli IRCCS, Università Cattolica del Sacro Cuore, Rome, Italy
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Mou F, Mou C. Necrostatin-1 Alleviates Bleomycin-Induced Pulmonary Fibrosis and Extracellular Matrix Expression in Interstitial Pulmonary Fibrosis. Med Sci Monit 2020; 26:e919739. [PMID: 32019905 PMCID: PMC7020761 DOI: 10.12659/msm.919739] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
Background Interstitial pulmonary fibrosis (IPF) is harmful for patients’ life and health. The effective treatment of IPF is lacking because of unclear pathogenesis. Necrostatin-1 has protective effects on lung injury and can suppress the fibrosis development. I this study we investigated whether necrostatin-1 could decrease the proliferation of pulmonary fibroblasts, pulmonary fibrosis and expression of extracellular matrix (ECM) in IPF. Material/Methods The IPF mice model was conducted by intra-tracheal injection of bleomycin (BLM) (2 mg/kg) for C57BL/6N mice. Necrostatin-1 treatment was performed with 1 mg/kg necrostatin-1 by an intravenous injection for C57BL/6N mice. Lung tissue structures and collagen deposition were observed by hematoxylin and eosin staining and Masson staining. IPF in vitro model was constructed by MRC-5 cells induced by transforming growth factor beta 1 (TGF-β1). And, 20 μM necrostatin-1 was used to treat the TGF-β1 induced MRC-5 cells. Cell Counting Kit-8 (CCK-8) assay detected the viability of MRC-5 cells. The expression of receptor-interacting protein kinase-1 and -3 (RIPK1 and RIPK3), α smooth muscle actin (α-SMA), collagen IV, collagen I, fibronectin (FN), and transforming growth factor-β (TGF-β) in lung tissues and MRC-5 cells was measured by western blot analysis. The α-SMA expression in lung tissues was also analyzed by immunohistochemistry. Results The expression of RIPK1 and RIPK3 in lung tissues of BLM induced mice was increased. The degree of pulmonary fibrosis and expression of α-SMA, collagen IV, collagen I, FN, and TGF-β in lung tissues of BLM induced mice was enhanced. The proliferation of MRC-5 cells was increased when MRC-5 cells were induced by TGF-β. The expression of RIPK1, RIPK3, α-SMA, collagen IV, collagen I, and FN was increased in TGF-β induced MRC-5 cells. And, necrostatin-1 could effectively reverse the changes of pulmonary fibrosis, RIPK1, RIPK3, and ECM in vivo and in vitro experiments. Conclusions Necrostatin-1 attenuated pulmonary fibrosis in lung tissues of BLM induced mice and inhibited the fibroblast proliferation. And, necrostatin-1 also decreased the expression of RIPK1, RIPK3, and ECM in lung tissues of BLM induced mice and TGF-β induced fibroblasts. Necrostatin-1 could be a new effective drug for the treatment of IPF.
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Affiliation(s)
- Fanghong Mou
- Department of Respiration, The People's Hospital of Kaizhou District, Chongqing, China (mainland)
| | - Canglang Mou
- Department of Respiratory and Critical Care Medicine, The Affiliated Hospital of Qingdao University, Qingdao, Shandong, China (mainland)
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55
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Jeffers A, Qin W, Owens S, Koenig KB, Komatsu S, Giles FJ, Schmitt DM, Idell S, Tucker TA. Glycogen Synthase Kinase-3β Inhibition with 9-ING-41 Attenuates the Progression of Pulmonary Fibrosis. Sci Rep 2019; 9:18925. [PMID: 31831767 PMCID: PMC6908609 DOI: 10.1038/s41598-019-55176-w] [Citation(s) in RCA: 35] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2019] [Accepted: 11/25/2019] [Indexed: 12/11/2022] Open
Abstract
Idiopathic pulmonary fibrosis (IPF) is a progressive interstitial lung disease with a median survival of 3 years after diagnosis. Although the etiology of IPF is unknown, it is characterized by extensive alveolar epithelial cell apoptosis and proliferation of myofibroblasts in the lungs. While the origins of these myofibroblast appear to be diverse, fibroblast differentiation contributes to expansion of myofibroblasts and to disease progression. We found that agents that contribute to neomatrix formation and remodeling in pulmonary fibrosis (PF); TGF-β, Factor Xa, thrombin, plasmin and uPA all induced fibroblast/myofibroblast differentiation. These same mediators enhanced GSK-3β activation via phosphorylation of tyrosine-216 (p-Y216). Inhibition of GSK-3β signaling with the novel inhibitor 9-ING-41 blocked the induction of myofibroblast markers; α-SMA and Col-1 and reduced morphological changes of myofibroblast differentiation. In in vivo studies, the progression of TGF-β and bleomycin mediated PF was significantly attenuated by 9-ING-41 administered at 7 and 14 days respectively after the establishment of injury. Specifically, 9-ING-41 treatment significantly improved lung function (compliance and lung volumes; p < 0.05) of TGF-β adenovirus treated mice compared to controls. Similar results were found in mice with bleomycin-induced PF. These studies clearly show that activation of the GSK-3β signaling pathway is critical for the induction of myofibroblast differentiation in lung fibroblasts ex vivo and pulmonary fibrosis in vivo. The results offer a strong premise supporting the continued investigation of the GSK-3β signaling pathway in the control of fibroblast-myofibroblast differentiation and fibrosing lung injury. These data provide a strong rationale for extension of clinical trials of 9-ING-41 to patients with IPF.
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Affiliation(s)
- Ann Jeffers
- The Texas Lung Injury Institute, Tyler, TX, USA.,Department of Cellular and Molecular Biology, The University of Texas Health Science Center at Tyler, Tyler, TX, USA
| | - Wenyi Qin
- Department of Cellular and Molecular Biology, The University of Texas Health Science Center at Tyler, Tyler, TX, USA
| | - Shuzi Owens
- Department of Cellular and Molecular Biology, The University of Texas Health Science Center at Tyler, Tyler, TX, USA
| | - Kathleen B Koenig
- The Texas Lung Injury Institute, Tyler, TX, USA.,Department of Cellular and Molecular Biology, The University of Texas Health Science Center at Tyler, Tyler, TX, USA
| | - Satoshi Komatsu
- Department of Cellular and Molecular Biology, The University of Texas Health Science Center at Tyler, Tyler, TX, USA
| | | | | | - Steven Idell
- The Texas Lung Injury Institute, Tyler, TX, USA.,Department of Cellular and Molecular Biology, The University of Texas Health Science Center at Tyler, Tyler, TX, USA
| | - Torry A Tucker
- The Texas Lung Injury Institute, Tyler, TX, USA. .,Department of Cellular and Molecular Biology, The University of Texas Health Science Center at Tyler, Tyler, TX, USA.
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56
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Richard SA. Elucidating the novel biomarker and therapeutic potentials of High-mobility group box 1 in Subarachnoid hemorrhage: A review. AIMS Neurosci 2019; 6:316-332. [PMID: 32341986 PMCID: PMC7179354 DOI: 10.3934/neuroscience.2019.4.316] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2019] [Accepted: 11/21/2019] [Indexed: 12/13/2022] Open
Abstract
Subarachnoid hemorrhage (SAH) frequently arises after an aneurysm in a cerebral artery ruptures, resulting into bleeding as well as clot formation. High-mobility group box 1 (HMGB1) is an extremely preserved, universal protein secreted in the nuclei of all cell varieties. This review explores the biomarker as well as therapeutic potentials of HMBG1 in SAH especially during the occurrence of cerebral vasospasms. Plasma HMGB1 levels have proven to be very useful prognosticators of effective outcome as well as death after SAH. Correspondingly, higher HMGB1 levels in the cerebrospinal fluid (CSF) of SAH patients correlated well with poor outcome; signifying that, CSF level of HMGB1 is a novel predictor of outcome following SAH. Nonetheless, the degree of angiographic vasospasm does not always correlate with the degree of neurological deficits in SAH patients. HMGB1 stimulated cerebral vasospasm, augmented gene as well as protein secretory levels of receptor for advance glycation end product (RAGE) in neurons following SAH; which means that, silencing HMGB1 during SAH could be of therapeutic value. Compounds like resveratrol, glycyrrhizin, rhinacanthin, purpurogallin, 4′-O-β-D-Glucosyl-5-O-Methylvisamminol (4OGOMV) as well as receptor-interacting serine/threonine-protein kinase 3 (RIPK3) gene are capable of interacting with HMGB1 resulting in therapeutic benefits following SAH.
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Affiliation(s)
- Seidu A Richard
- Department of Medicine, Princefield University, P. O. Box MA 128, Ho-Volta Region, Ghana West Africa
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57
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Fountain MD, McLellan LA, Smith NL, Loughery BF, Rakowski JT, Tse HY, Hillman GG. Isoflavone-mediated radioprotection involves regulation of early endothelial cell death and inflammatory signaling in Radiation-Induced lung injury. Int J Radiat Biol 2019; 96:245-256. [PMID: 31633433 DOI: 10.1080/09553002.2020.1683642] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Purpose: Vascular damage and inflammation are limiting toxic effects of lung cancer radiotherapy, which lead to pneumonitis and pulmonary fibrosis. We have demonstrated that soy isoflavones (SIF) mitigate these toxic effects at late time points after radiation. However, the process by which SIF impacts the onset of radiation-induced inflammation remains to be elucidated. We have now investigated early events of radiation-induced inflammation and identified cellular and molecular signaling patterns by endothelial cells that could be modified by SIF to control vascular damage and the initiation of lung inflammation.Materials and methods: Histopathological, cellular and molecular studies were performed on mouse lungs from C57Bl/6 mice treated with 10 Gy of thoracic radiation (XRT) in conjunction with daily oral SIF treatment given prior and after radiation. Parallel studies were performed in-vitro using EA.hy926 endothelial cell line with SIF and radiation. Immunohistochemistry, western blots analysis, and flow cytometry were performed on lung tissue or EA.hy926 cells to analyze endothelial cells, their patterns of cell death or survival, and signaling molecules involved in inflammatory events.Results: Histopathological differences in inflammatory infiltrates and vascular injury in lungs, including vascular endothelial cells, were observed with SIF treatment at early time points post-XRT. XRT-induced expression of proinflammatory adhesion molecule ICAM-1 cells was reduced by SIF in-vitro and in-vivo in endothelial cells. Molecular changes in endothelial cells with SIF treatment in conjunction with XRT included increased DNA damage, reduced cell viability and cyclin B1, and inhibition of nuclear translocation of NF-κB. Analysis of cell death showed that SIF treatment promoted apoptotic endothelial cell death and decreased XRT-induced type III cell death. In-vitro molecular studies indicated that SIF + XRT increased apoptotic caspase-9 activation and production of IFNβ while reducing the release of inflammatory HMGB-1 and IL-1α, the cleavage of pyroptotic gasdermin D, and the release of active IL-1β, which are all events associated with type III cell death.Conclusions: SIF + XRT caused changes in patterns of endothelial cell death and survival, proinflammatory molecule release, and adhesion molecule expression at early time points post-XRT associated with early reduction of immune cell recruitment. These findings suggest that SIF could mediate its radioprotective effects in irradiated lungs by limiting excessive immune cell homing via vascular endothelium into damaged lung tissue and curtailing the overall inflammatory response to radiation.
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Affiliation(s)
- Matthew D Fountain
- Department of Biochemistry, Microbiology & Immunology, Wayne State University School of Medicine, Detroit, MI, USA.,Department of Oncology, Division of Radiation Oncology, Wayne State University School of Medicine, Karmanos Cancer Institute, Detroit, MI, USA
| | - Laura A McLellan
- Department of Biochemistry, Microbiology & Immunology, Wayne State University School of Medicine, Detroit, MI, USA
| | - Natalie L Smith
- Department of Biochemistry, Microbiology & Immunology, Wayne State University School of Medicine, Detroit, MI, USA
| | - Brian F Loughery
- Department of Oncology, Division of Radiation Oncology, Wayne State University School of Medicine, Karmanos Cancer Institute, Detroit, MI, USA
| | - Joseph T Rakowski
- Department of Oncology, Division of Radiation Oncology, Wayne State University School of Medicine, Karmanos Cancer Institute, Detroit, MI, USA
| | - Harley Y Tse
- Department of Biochemistry, Microbiology & Immunology, Wayne State University School of Medicine, Detroit, MI, USA
| | - Gilda G Hillman
- Department of Biochemistry, Microbiology & Immunology, Wayne State University School of Medicine, Detroit, MI, USA.,Department of Oncology, Division of Radiation Oncology, Wayne State University School of Medicine, Karmanos Cancer Institute, Detroit, MI, USA
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Choi ME, Price DR, Ryter SW, Choi AMK. Necroptosis: a crucial pathogenic mediator of human disease. JCI Insight 2019; 4:128834. [PMID: 31391333 DOI: 10.1172/jci.insight.128834] [Citation(s) in RCA: 258] [Impact Index Per Article: 51.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
Necroptosis is a genetically regulated form of necrotic cell death that has emerged as an important pathway in human disease. The necroptosis pathway is induced by a variety of signals, including death receptor ligands, and regulated by receptor-interacting protein kinases 1 and 3 (RIPK1 and RIPK3) and mixed-lineage kinase domain-like pseudokinase (MLKL), which form a regulatory necrosome complex. RIPK3-mediated phosphorylation of MLKL executes necroptosis. Recent studies, using animal models of tissue injury, have revealed that RIPK3 and MLKL are key effectors of injury propagation. This Review explores the functional roles of RIPK3 and MLKL as crucial pathogenic determinants and markers of disease progression and severity in experimental models of human disease, including acute and chronic pulmonary diseases; renal, hepatic, cardiovascular, and neurodegenerative diseases; cancer; and critical illness.
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Affiliation(s)
- Mary E Choi
- Division of Nephrology and Hypertension, Joan and Sanford I. Weill Department of Medicine, Weill Cornell Medicine, New York, New York, USA.,NewYork-Presbyterian Hospital, Weill Cornell Medical Center, New York, New York, USA
| | - David R Price
- NewYork-Presbyterian Hospital, Weill Cornell Medical Center, New York, New York, USA.,Division of Pulmonary and Critical Care Medicine, Joan and Sanford I. Weill Department of Medicine, Weill Cornell Medicine, New York, New York, USA
| | - Stefan W Ryter
- Division of Pulmonary and Critical Care Medicine, Joan and Sanford I. Weill Department of Medicine, Weill Cornell Medicine, New York, New York, USA
| | - Augustine M K Choi
- NewYork-Presbyterian Hospital, Weill Cornell Medical Center, New York, New York, USA.,Division of Pulmonary and Critical Care Medicine, Joan and Sanford I. Weill Department of Medicine, Weill Cornell Medicine, New York, New York, USA
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59
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Le Saux CJ, Chapman HA. Idiopathic Pulmonary Fibrosis: Cell Death and Inflammation Revisited. Am J Respir Cell Mol Biol 2019; 59:137-138. [PMID: 29698615 DOI: 10.1165/rcmb.2018-0083ed] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
Affiliation(s)
- Claude Jourdan Le Saux
- 1 Department of Medicine University of California, San Francisco San Francisco, California
| | - Harold A Chapman
- 1 Department of Medicine University of California, San Francisco San Francisco, California
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60
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Personnaz J, Piccolo E, Branchereau M, Filliol A, Paccoud R, Moreau E, Calise D, Riant E, Gourdy P, Heymes C, Schwabe RF, Dray C, Valet P, Pradère J. Macrophage-derived HMGB1 is dispensable for tissue fibrogenesis. FASEB Bioadv 2019; 1:227-245. [PMID: 32123829 PMCID: PMC6996376 DOI: 10.1096/fba.2018-00035] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2018] [Revised: 11/11/2018] [Accepted: 12/14/2018] [Indexed: 12/19/2022] Open
Abstract
Alarmins and damage-associated molecular patterns (DAMPs) are powerful inflammatory mediators, capable of initiating and maintaining sterile inflammation during acute or chronic tissue injury. Recent evidence suggests that alarmins/DAMPs may also trigger tissue regeneration and repair, suggesting a potential contribution to tissue fibrogenesis. High mobility group B1 (HMGB1), a bona fide alarmin/DAMP, may be released passively by necrotic cells or actively secreted by innate immune cells. Macrophages can release large amounts of HMGB1 and play a key role in wound healing and regeneration processes. Here, we hypothesized that macrophages may be a key source of HMGB1 and thereby contribute to wound healing and fibrogenesis. Surprisingly, cell-specific deletion approaches, demonstrated that macrophage-derived HMGB1 is not involved in tissue fibrogenesis in multiple organs with different underlying pathologies. Compared to control HMGB1Flox mice, mice with macrophage-specific HMGB1 deletion (HMGB1ΔMac) do not display any modification of fibrogenesis in the liver after CCL4 or thioacetamide treatment and bile duct ligation; in the kidney following unilateral ureter obstruction; and in the heart after transverse aortic constriction. Of note, even under thermoneutral housing, known to exacerbate inflammation and fibrosis features, HMGB1ΔMac mice do not show impairment of fibrogenesis. In conclusion, our study clearly establishes that macrophage-derived HMGB1 does not contribute to tissue repair and fibrogenesis.
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Affiliation(s)
- Jean Personnaz
- Institut des Maladies Métaboliques et Cardiovasculaires, UMR 1048/I2MC, Institut National de la Santé et de la Recherche Médicale (INSERM), Université de ToulouseToulouseFrance
| | - Enzo Piccolo
- Institut des Maladies Métaboliques et Cardiovasculaires, UMR 1048/I2MC, Institut National de la Santé et de la Recherche Médicale (INSERM), Université de ToulouseToulouseFrance
| | - Maxime Branchereau
- Institut des Maladies Métaboliques et Cardiovasculaires, UMR 1048/I2MC, Institut National de la Santé et de la Recherche Médicale (INSERM), Université de ToulouseToulouseFrance
| | | | - Romain Paccoud
- Institut des Maladies Métaboliques et Cardiovasculaires, UMR 1048/I2MC, Institut National de la Santé et de la Recherche Médicale (INSERM), Université de ToulouseToulouseFrance
| | - Elsa Moreau
- Institut des Maladies Métaboliques et Cardiovasculaires, UMR 1048/I2MC, Institut National de la Santé et de la Recherche Médicale (INSERM), Université de ToulouseToulouseFrance
| | - Denis Calise
- UMS006, Université de Toulouse, Institut National de la Santé et de la Recherche Médicale (INSERM) U1048, Institute of Cardiovascular and Metabolic DiseaseToulouseFrance
| | - Elodie Riant
- Institut des Maladies Métaboliques et Cardiovasculaires, UMR 1048/I2MC, Institut National de la Santé et de la Recherche Médicale (INSERM), Université de ToulouseToulouseFrance
| | - Pierre Gourdy
- Institut des Maladies Métaboliques et Cardiovasculaires, UMR 1048/I2MC, Institut National de la Santé et de la Recherche Médicale (INSERM), Université de ToulouseToulouseFrance
- Service de Diabétologie, Maladies Métaboliques et Nutrition, CHU de ToulouseToulouseFrance
| | - Christophe Heymes
- Institut des Maladies Métaboliques et Cardiovasculaires, UMR 1048/I2MC, Institut National de la Santé et de la Recherche Médicale (INSERM), Université de ToulouseToulouseFrance
| | | | - Cédric Dray
- Institut des Maladies Métaboliques et Cardiovasculaires, UMR 1048/I2MC, Institut National de la Santé et de la Recherche Médicale (INSERM), Université de ToulouseToulouseFrance
| | - Philippe Valet
- Institut des Maladies Métaboliques et Cardiovasculaires, UMR 1048/I2MC, Institut National de la Santé et de la Recherche Médicale (INSERM), Université de ToulouseToulouseFrance
| | - Jean‐Philippe Pradère
- Institut des Maladies Métaboliques et Cardiovasculaires, UMR 1048/I2MC, Institut National de la Santé et de la Recherche Médicale (INSERM), Université de ToulouseToulouseFrance
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Abstract
Regulated cell death is a major mechanism to eliminate damaged, infected, or superfluous cells. Previously, apoptosis was thought to be the only regulated cell death mechanism; however, new modalities of caspase-independent regulated cell death have been identified, including necroptosis, pyroptosis, and autophagic cell death. As an understanding of the cellular mechanisms that mediate regulated cell death continues to grow, there is increasing evidence that these pathways are implicated in the pathogenesis of many pulmonary disorders. This review summarizes our understanding of regulated cell death as it pertains to the pathogenesis of chronic obstructive pulmonary disease, asthma, idiopathic pulmonary fibrosis, acute respiratory distress syndrome, and pulmonary arterial hypertension.
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Affiliation(s)
- Maor Sauler
- Department of Medicine, Yale School of Medicine, New Haven, Connecticut 06520, USA;
| | - Isabel S Bazan
- Department of Medicine, Yale School of Medicine, New Haven, Connecticut 06520, USA;
| | - Patty J Lee
- Department of Medicine, Yale School of Medicine, New Haven, Connecticut 06520, USA;
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Chen T, Pan H, Li J, Xu H, Jin H, Qian C, Yan F, Chen J, Wang C, Chen J, Wang L, Chen G. Inhibiting of RIPK3 attenuates early brain injury following subarachnoid hemorrhage: Possibly through alleviating necroptosis. Biomed Pharmacother 2018; 107:563-570. [DOI: 10.1016/j.biopha.2018.08.056] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2018] [Revised: 08/01/2018] [Accepted: 08/10/2018] [Indexed: 12/20/2022] Open
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Tsubouchi K, Araya J, Kuwano K. PINK1-PARK2-mediated mitophagy in COPD and IPF pathogeneses. Inflamm Regen 2018; 38:18. [PMID: 30386443 PMCID: PMC6199723 DOI: 10.1186/s41232-018-0077-6] [Citation(s) in RCA: 73] [Impact Index Per Article: 12.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2018] [Accepted: 07/02/2018] [Indexed: 02/11/2023] Open
Abstract
Mitochondria regulate not only cell functions through energy generation but also aging-associated cell phenotypes. Impaired mitochondrial structural and functional integrity accompanied by excessive mitochondrial reactive oxygen species (mtROS) production is associated with enhanced programmed cell death (PCD) and cellular senescence. Dysregulation of mechanisms for mitochondrial integrity, including mitophagy, induces accumulation of mitochondrial damage. Mitophagy is a highly conserved mechanism of selectively delivering damaged mitochondria for lysosomal degradation and is mainly governed by phosphatase and tensin homolog (PTEN)-induced putative protein kinase 1 (PINK1) and PARK2. Accumulating evidence suggests that PINK1-PARK2-mediated mitophagy has an important role in the pathogenesis of aging-associated pulmonary disorders, represented by chronic obstructive pulmonary disease (COPD) and idiopathic pulmonary fibrosis (IPF). COPD characterized by progressive airflow limitation is mainly caused by cigarette smoke (CS) exposure, and accumulation of damaged mitochondria in bronchial epithelial cells (BEC) has been demonstrated. Intriguingly, both enhanced and impaired mitophagy have been implicated in COPD pathogenesis. Enhanced mitophagy induced by increased PINK1 expression has been associated with programmed necrosis, necroptosis. On the other hand, reduced PARK2 levels were linked to insufficient mitophagy, resulting in accelerated cellular senescence in BEC. Although dominant involvement of PCD and cellular senescence remains unclear, PINK1-PARK2-mediated mitophagy regulates mitochondrial ROS and cell fate during COPD pathogenesis. Involvement of insufficient mitophagy has been proposed in lung fibrosis development during IPF pathogenesis. Accumulation of dysmorphic mitochondria and increased ROS production linked to decrease in PINK1 expression were demonstrated in type II alveolar epithelial cells (AECIIs) in IPF lungs, which can be associated with enhanced apoptosis and cellular senescence. Furthermore, reduced PARK2 expression levels have been shown in myofibroblasts in IPF lungs. Insufficient mitophagy caused by PARK2 deficiency induced mtROS production with concomitantly activated platelet-derived growth factor receptor (PDGFR)/mammalian target of rapamycin (mTOR) signaling, resulting in increased myofibroblast differentiation and proliferation. Inappropriate PINK1-PARK2-mediated mitophagy appears to be mainly responsible for regulating cell fate, including PCD, cellular senescence, and myofibroblast differentiation during COPD and IPF pathogeneses. Modalities to achieve specific and appropriate levels of PINK1-PARK2-mediated mitophagy activation may be a promising therapeutic option to regulate the aging-associated pathology, COPD, and IPF.
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Affiliation(s)
- Kazuya Tsubouchi
- 1Division of Respiratory Diseases, Department of Internal Medicine, Jikei University School of Medicine, 3-25-8 Nishi-shimbashi, Minato-ku, Tokyo, 105-8461 Japan.,2Research Institute for Diseases of the Chest, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Jun Araya
- 1Division of Respiratory Diseases, Department of Internal Medicine, Jikei University School of Medicine, 3-25-8 Nishi-shimbashi, Minato-ku, Tokyo, 105-8461 Japan
| | - Kazuyoshi Kuwano
- 1Division of Respiratory Diseases, Department of Internal Medicine, Jikei University School of Medicine, 3-25-8 Nishi-shimbashi, Minato-ku, Tokyo, 105-8461 Japan
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