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Matsushita K, Toyoda T, Akane H, Morikawa T, Ogawa K. CD44 expression in renal tubular epithelial cells in the kidneys of rats with cyclosporine-induced chronic kidney disease. J Toxicol Pathol 2024; 37:55-67. [PMID: 38584969 PMCID: PMC10995437 DOI: 10.1293/tox.2023-0111] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2023] [Accepted: 12/01/2023] [Indexed: 04/09/2024] Open
Abstract
Renal tubular epithelial cell (TEC) injury is the most common cause of drug-induced kidney injury (DIKI). Although TEC regeneration facilitates renal function and structural recovery following DIKI, maladaptive repair of TECs leads to irreversible fibrosis, resulting in chronic kidney disease (CKD). CD44 is specifically expressed in TECs during maladaptive repair in several types of rat CKD models. In this study, we investigated CD44 expression and its role in renal fibrogenesis in a cyclosporine (CyA) rat model of CKD. Seven-week-old male Sprague-Dawley rats fed a low-salt diet were subcutaneously administered CyA (0, 15, or 30 mg/kg) for 28 days. CD44 was expressed in atrophic, dilated, and hypertrophic TECs in the fibrotic lesions of the CyA groups. These TECs were collected by laser microdissection and evaluated by microarray analysis. Gene ontology analysis suggested that these TECs have a mesenchymal phenotype, and pathway analysis identified CD44 as an upstream regulator of fibrosis-related genes, including fibronectin 1 (Fn1). Immunohistochemistry revealed that epithelial and mesenchymal markers of TECs of fibrotic lesions were downregulated and upregulated, respectively, and that these TECs were surrounded by a thickened basement membrane. In situ hybridization revealed an increase in Fn1 mRNA in the cytoplasm of TECs of fibrotic lesions, whereas fibronectin protein was localized in the stroma surrounding these tubules. Enzyme-linked immunosorbent assay revealed increased serum CD44 levels in CyA-treated rats. Collectively, these findings suggest that CD44 contributes to renal fibrosis by inducing fibronectin secretion in TECs exhibiting partial epithelial-mesenchymal transition and highlight the potential of CD44 as a biomarker of renal fibrosis.
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Affiliation(s)
- Kohei Matsushita
- Division of Pathology, National Institute of Health
Sciences, 3-25-26 Tonomachi, Kawasaki-shi, Kanagawa 210-9501, Japan
| | - Takeshi Toyoda
- Division of Pathology, National Institute of Health
Sciences, 3-25-26 Tonomachi, Kawasaki-shi, Kanagawa 210-9501, Japan
| | - Hirotoshi Akane
- Division of Pathology, National Institute of Health
Sciences, 3-25-26 Tonomachi, Kawasaki-shi, Kanagawa 210-9501, Japan
| | - Tomomi Morikawa
- Division of Pathology, National Institute of Health
Sciences, 3-25-26 Tonomachi, Kawasaki-shi, Kanagawa 210-9501, Japan
| | - Kumiko Ogawa
- Division of Pathology, National Institute of Health
Sciences, 3-25-26 Tonomachi, Kawasaki-shi, Kanagawa 210-9501, Japan
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2
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Zhou BW, Liu HM, Xu F, Jia XH. The role of macrophage polarization and cellular crosstalk in the pulmonary fibrotic microenvironment: a review. Cell Commun Signal 2024; 22:172. [PMID: 38461312 PMCID: PMC10924385 DOI: 10.1186/s12964-024-01557-2] [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: 12/28/2023] [Accepted: 03/03/2024] [Indexed: 03/11/2024] Open
Abstract
Pulmonary fibrosis (PF) is a progressive interstitial inflammatory disease with a high mortality rate. Patients with PF commonly experience a chronic dry cough and progressive dyspnoea for years without effective mitigation. The pathogenesis of PF is believed to be associated with dysfunctional macrophage polarization, fibroblast proliferation, and the loss of epithelial cells. Thus, it is of great importance and necessity to explore the interactions among macrophages, fibroblasts, and alveolar epithelial cells in lung fibrosis, as well as in the pro-fibrotic microenvironment. In this review, we discuss the latest studies that have investigated macrophage polarization and activation of non-immune cells in the context of PF pathogenesis and progression. Next, we discuss how profibrotic cellular crosstalk is promoted in the PF microenvironment by multiple cytokines, chemokines, and signalling pathways. And finally, we discuss the potential mechanisms of fibrogenesis development and efficient therapeutic strategies for the disease. Herein, we provide a comprehensive summary of the vital role of macrophage polarization in PF and its profibrotic crosstalk with fibroblasts and alveolar epithelial cells and suggest potential treatment strategies to target their cellular communication in the microenvironment.
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Affiliation(s)
- Bo-Wen Zhou
- The First School of Clinical Medicine, Shandong University of Traditional Chinese Medicine, Jinan, 250014, China
| | - Hua-Man Liu
- Department of General Medicine, Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Jinan, 250014, China
| | - Fei Xu
- Department of Pneumology and Critical Care Medicine, Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Jinan, 250014, China
| | - Xin-Hua Jia
- Department of Pneumology and Critical Care Medicine, Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Jinan, 250014, China.
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3
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O'Reilly S. S100A4 a classical DAMP as a therapeutic target in fibrosis. Matrix Biol 2024; 127:1-7. [PMID: 38219976 DOI: 10.1016/j.matbio.2024.01.002] [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: 11/07/2023] [Revised: 01/02/2024] [Accepted: 01/11/2024] [Indexed: 01/16/2024]
Abstract
Fibrosis regardless of aetiology is characterised by persistently activated myofibroblasts that are contractile and secrete excessive amounts of extracellular matrix molecules that leads to loss of organ function. Damage-Associated Molecular Patterns (DAMPs) are endogenous host-derived molecules that are released from cells dying or under stress that can be triggered by a variety of insults, either chemical or physical, leading to an inflammatory response. Among these DAMPs is S100A4, part of the S100 family of calcium binding proteins that participate in a variety of cellular processes. S100A4 was first described in context of cancer as a pro-metastatic factor. It is now appreciated that aside from its role in cancer promotion, S100A4 is intimately involved in tissue fibrosis. The extracellular form of S100A4 exerts its effects through multiple receptors including Toll-Like Receptor 4 and RAGE to evoke signalling cascades involving downstream mediators facilitating extracellular matrix deposition and myofibroblast generation and can play a role in persistent activation of myofibroblasts. S100A4 may be best understood as an amplifier of inflammatory and fibrotic processes. S100A4 appears critical in systemic sclerosis pathogenesis and blocking the extracellular form of S100A4 in vivo in various animal models of disease mitigates fibrosis and may even reverse established disease. This review appraises S100A4's position as a DAMP and its role in fibrotic conditions and highlight therapeutically targeting this protein to halt fibrosis, suggesting that it is a tractable target.
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Affiliation(s)
- Steven O'Reilly
- Biosciences, Durham University, South Road, Durham, United Kingdom.
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Matsushita K, Toyoda T, Akane H, Morikawa T, Ogawa K. Role of CD44 expressed in renal tubules during maladaptive repair in renal fibrogenesis in an allopurinol-induced rat model of chronic kidney disease. J Appl Toxicol 2024; 44:455-469. [PMID: 37876353 DOI: 10.1002/jat.4554] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2023] [Revised: 09/30/2023] [Accepted: 10/01/2023] [Indexed: 10/26/2023]
Abstract
The kidney is a major target organ for the adverse effects of pharmaceuticals; renal tubular epithelial cells (TECs) are particularly vulnerable to drug-induced toxicity. TECs have regenerative capacity; however, maladaptive repair of TECs after injury leads to renal fibrosis, resulting in chronic kidney disease (CKD). We previously reported the specific expression of CD44 in failed-repair TECs of rat CKD model induced by ischemia reperfusion injury. Here, we investigated the pathophysiological role of CD44 in renal fibrogenesis in allopurinol-treated rat CKD model. Dilated or atrophic TECs expressing CD44 in fibrotic areas were collected by laser microdissection and subjected to microarray analysis. Gene ontology showed that extracellular matrix (ECM)-related genes were upregulated and differentiation-related genes were downregulated in dilated/atrophic TECs. Ingenuity Pathway Analysis identified CD44 as an upstream regulator of fibrosis-related genes, including Fn1, which encodes fibronectin. Immunohistochemistry demonstrated that dilated/atrophic TECs expressing CD44 showed decreases in differentiation markers of TECs and clear expression of mesenchymal markers during basement membrane attachment. In situ hybridization revealed an increase in Fn1 mRNA in the cytoplasm of dilated/atrophic TECs, whereas fibronectin was localized in the stroma around these TECs, supporting the production/secretion of ECM by dilated/atrophic TECs. Overall, these data indicated that dilated/atrophic TECs underwent a partial epithelial-mesenchymal transition (pEMT) and that CD44 promoted renal fibrogenesis via induction of ECM production in failed-repair TECs exhibiting pEMT. CD44 was detected in the urine and serum of APL-treated rats, which may reflect the expression of CD44 in the kidney.
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Affiliation(s)
- Kohei Matsushita
- Division of Pathology, National Institute of Health Sciences, Kawasaki, Kanagawa, Japan
| | - Takeshi Toyoda
- Division of Pathology, National Institute of Health Sciences, Kawasaki, Kanagawa, Japan
| | - Hirotoshi Akane
- Division of Pathology, National Institute of Health Sciences, Kawasaki, Kanagawa, Japan
| | - Tomomi Morikawa
- Division of Pathology, National Institute of Health Sciences, Kawasaki, Kanagawa, Japan
| | - Kumiko Ogawa
- Division of Pathology, National Institute of Health Sciences, Kawasaki, Kanagawa, Japan
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Southern BD, Li H, Mao H, Crish JF, Grove LM, Scheraga RG, Mansoor S, Reinhardt A, Abraham S, Deshpande G, Loui A, Ivanov AI, Rosenfeld SS, Bresnick AR, Olman MA. A novel mechanoeffector role of fibroblast S100A4 in myofibroblast transdifferentiation and fibrosis. J Biol Chem 2024; 300:105530. [PMID: 38072048 PMCID: PMC10789633 DOI: 10.1016/j.jbc.2023.105530] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2023] [Revised: 10/25/2023] [Accepted: 10/28/2023] [Indexed: 12/23/2023] Open
Abstract
Fibroblast to myofibroblast transdifferentiation mediates numerous fibrotic disorders, such as idiopathic pulmonary fibrosis (IPF). We have previously demonstrated that non-muscle myosin II (NMII) is activated in response to fibrotic lung extracellular matrix, thereby mediating myofibroblast transdifferentiation. NMII-A is known to interact with the calcium-binding protein S100A4, but the mechanism by which S100A4 regulates fibrotic disorders is unclear. In this study, we show that fibroblast S100A4 is a calcium-dependent, mechanoeffector protein that is uniquely sensitive to pathophysiologic-range lung stiffness (8-25 kPa) and thereby mediates myofibroblast transdifferentiation. Re-expression of endogenous fibroblast S100A4 rescues the myofibroblastic phenotype in S100A4 KO fibroblasts. Analysis of NMII-A/actin dynamics reveals that S100A4 mediates the unraveling and redistribution of peripheral actomyosin to a central location, resulting in a contractile myofibroblast. Furthermore, S100A4 loss protects against murine in vivo pulmonary fibrosis, and S100A4 expression is dysregulated in IPF. Our data reveal a novel mechanosensor/effector role for endogenous fibroblast S100A4 in inducing cytoskeletal redistribution in fibrotic disorders such as IPF.
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Affiliation(s)
- Brian D Southern
- Lerner Research Institute Department of Inflammation and Immunity, Cleveland Clinic, Cleveland, Ohio, USA; Respiratory Institute, Cleveland Clinic, Cleveland, Ohio, USA
| | - Haiyan Li
- Lerner Research Institute Department of Inflammation and Immunity, Cleveland Clinic, Cleveland, Ohio, USA
| | - Hongxia Mao
- Lerner Research Institute Department of Inflammation and Immunity, Cleveland Clinic, Cleveland, Ohio, USA
| | - James F Crish
- Lerner Research Institute Department of Inflammation and Immunity, Cleveland Clinic, Cleveland, Ohio, USA
| | - Lisa M Grove
- Lerner Research Institute Department of Inflammation and Immunity, Cleveland Clinic, Cleveland, Ohio, USA
| | - Rachel G Scheraga
- Lerner Research Institute Department of Inflammation and Immunity, Cleveland Clinic, Cleveland, Ohio, USA; Respiratory Institute, Cleveland Clinic, Cleveland, Ohio, USA
| | - Sanaa Mansoor
- Lerner Research Institute Department of Inflammation and Immunity, Cleveland Clinic, Cleveland, Ohio, USA
| | - Amanda Reinhardt
- Lerner Research Institute Department of Inflammation and Immunity, Cleveland Clinic, Cleveland, Ohio, USA
| | - Susamma Abraham
- Lerner Research Institute Department of Inflammation and Immunity, Cleveland Clinic, Cleveland, Ohio, USA
| | - Gauravi Deshpande
- Lerner Research Institute Imaging Core, Cleveland Clinic, Cleveland, Ohio, USA
| | - Alicia Loui
- University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - Andrei I Ivanov
- Lerner Research Institute Department of Inflammation and Immunity, Cleveland Clinic, Cleveland, Ohio, USA
| | - Steven S Rosenfeld
- Division of Hematology/Oncology, Mayo Clinic Jacksonville, Jacksonville, Florida, USA
| | - Anne R Bresnick
- Department of Biochemistry, Albert Einstein College of Medicine, Bronx, New York, USA
| | - Mitchell A Olman
- Lerner Research Institute Department of Inflammation and Immunity, Cleveland Clinic, Cleveland, Ohio, USA; Respiratory Institute, Cleveland Clinic, Cleveland, Ohio, USA.
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Cardoso Dos Santos LM, Azar P, Brun C, König S, Roatti A, Baertschi AJ, Chaabane C, Bochaton-Piallat ML. Apelin is expressed in intimal smooth muscle cells and promotes their phenotypic transition. Sci Rep 2023; 13:18736. [PMID: 37907514 PMCID: PMC10618247 DOI: 10.1038/s41598-023-45470-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: 08/19/2022] [Accepted: 10/19/2023] [Indexed: 11/02/2023] Open
Abstract
During atherosclerotic plaque formation, smooth muscle cells (SMCs) switch from a contractile/differentiated to a synthetic/dedifferentiated phenotype. We previously isolated differentiated spindle-shaped (S) and dedifferentiated rhomboid (R) SMCs from porcine coronary artery. R-SMCs express S100A4, a calcium-binding protein. We investigated the role of apelin in this phenotypic conversion, as well as its relationship with S100A4. We found that apelin was highly expressed in R-SMCs compared with S-SMCs. We observed a nuclear expression of apelin in SMCs within experimentally-induced intimal thickening of the porcine coronary artery and rat aorta. Plasmids targeting apelin to the nucleus (N. Ap) and to the secretory vesicles (S. Ap) were transfected into S-SMCs where apelin was barely detectable. Both plasmids induced the SMC transition towards a R-phenotype. Overexpression of N. Ap, and to a lesser degree S. Ap, led to a nuclear localization of S100A4. Stimulation of S-SMCs with platelet-derived growth factor-BB, known to induce the transition toward the R-phenotype, yielded the direct interaction and nuclear expression of both apelin and S100A4. In conclusion, apelin induces a SMC phenotypic transition towards the synthetic phenotype. These results suggest that apelin acts via nuclear re-localization of S100A4, raising the possibility of a new pro-atherogenic relationship between apelin and S100A4.
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Affiliation(s)
| | - Pascal Azar
- Department of Pathology and Immunology, University of Geneva, Geneva, Switzerland
| | - Cécile Brun
- Geneva University Hospitals, University of Geneva, Geneva, Switzerland
| | - Stéphane König
- Department of Neuroscience, University of Geneva, Geneva, Switzerland
| | - Angela Roatti
- Department of Physiology and Metabolism, Faculty of Medicine, University of Geneva, Geneva, Switzerland
| | - Alex J Baertschi
- Department of Physiology and Metabolism, Faculty of Medicine, University of Geneva, Geneva, Switzerland
| | - Chiraz Chaabane
- Department of Pathology and Immunology, University of Geneva, Geneva, Switzerland
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7
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Denton CP, Xu S, Zhang F, Maclean RH, Clark KEN, Borchert S, Hussain RI, Klingelhöfer J, Hallén J, Ong VH. Clinical and pathogenic significance of S100A4 overexpression in systemic sclerosis. Ann Rheum Dis 2023; 82:1205-1217. [PMID: 37414521 DOI: 10.1136/ard-2023-223862] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2023] [Accepted: 05/13/2023] [Indexed: 07/08/2023]
Abstract
OBJECTIVES We have studied the damage-associated molecular pattern protein S100A4 as a driver of fibroblast activation in systemic sclerosis (SSc). METHODS S100A4 protein concentration was measured by ELISA in serum of SSc (n=94) and healthy controls (n=15). Protein expression in skin fibroblast cultures from diffuse cutaneous SSc (SScF, n=6) and healthy controls (normal fibroblasts (NF), n=6) was assessed. Recombinant S100A4 and a high affinity anti-S100A4 neutralising monoclonal antibody (AX-202) were tested on SScF and NF. RESULTS Median (range) S100A4 (ng/mL) was higher in serum of SSc (89.9 (15.0-240.0)) than healthy controls (71.4 (7.9-131.8); p=0.027). There was association with SSc-interstitial lung disease (p=0.025, n=55), scleroderma renal crisis (p=0.026, n=4). Median (range) S100A4 (ng/mL) was higher in culture supernatants of SScF (4.19 (0.52-8.42)) than NF controls (0.28 (0.02-3.29); p<0.0001). AX-202 reduced the constitutive profibrotic gene and protein expression phenotype of SScF. Genome-wide RNA sequencing analysis identified an S100A4 activated signature in NF overlapping the hallmark gene expression signature of SScF. Thus, 464 differentially expressed genes (false discovery rate (FDR) <0.001 and fold change (FC) >1.5) induced in NF by S100A4 were also constitutively overexpressed, and downregulated by AX-202, in SScF. Pathway mapping of these S100A4 dependent genes in SSc showed the most significant enriched Kegg pathways (FDR <0.001) were regulation of stem cell pluripotency (4.6-fold) and metabolic pathways (1.9-fold). CONCLUSION Our findings provide compelling evidence for a profibrotic role for S100A4 in SSc and suggest that serum level may be a biomarker of major organ manifestations and disease severity. This study supports examining the therapeutic potential of targeting S100A4 in SSc.
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Affiliation(s)
| | - Shiwen Xu
- Centre for Rheumatology, Division of Medicine, UCL, London, UK
| | - Fenge Zhang
- Centre for Rheumatology, Division of Medicine, UCL, London, UK
| | - Rory H Maclean
- Centre for Rheumatology, Division of Medicine, UCL, London, UK
| | | | | | | | | | - Jonas Hallén
- Research Department, Arxx Therapeutics, Oslo, Norway
| | - Voon H Ong
- Centre for Rheumatology, Division of Medicine, UCL, London, UK
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8
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Barnes HW, Demirdjian S, Haddock NL, Kaber G, Martinez HA, Nagy N, Karmouty-Quintana H, Bollyky PL. Hyaluronan in the pathogenesis of acute and post-acute COVID-19 infection. Matrix Biol 2023; 116:49-66. [PMID: 36750167 PMCID: PMC9899355 DOI: 10.1016/j.matbio.2023.02.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2022] [Revised: 01/20/2023] [Accepted: 02/02/2023] [Indexed: 02/07/2023]
Abstract
Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) recently emerged as the cause of a global pandemic. Infection with SARS-CoV-2 can result in COVID-19 with both acute and chronic disease manifestations that continue to impact many patients long after the resolution of viral replication. There is therefore great interest in understanding the host factors that contribute to COVID-19 pathogenesis. In this review, we address the role of hyaluronan (HA), an extracellular matrix polymer with roles in inflammation and cellular metabolism, in COVID-19 and critically evaluate the hypothesis that HA promotes COVID-19 pathogenesis. We first provide a brief overview of COVID-19 infection. Then we briefly summarize the known roles of HA in airway inflammation and immunity. We then address what is known about HA and the pathogenesis of COVID-19 acute respiratory distress syndrome (COVID-19 ARDS). Next, we examine potential roles for HA in post-acute SARS-CoV-2 infection (PASC), also known as "long COVID" as well as in COVID-associated fibrosis. Finally, we discuss the potential therapeutics that target HA as a means to treat COVID-19, including the repurposed drug hymecromone (4-methylumbelliferone). We conclude that HA is a promising potential therapeutic target for the treatment of COVID-19.
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Affiliation(s)
- Henry W Barnes
- Division of Infectious Diseases and Geographic Medicine, Department of Medicine, Stanford University School of Medicine, Beckman Center, 279 Campus Drive, Stanford, CA 94305, USA
| | - Sally Demirdjian
- Division of Infectious Diseases and Geographic Medicine, Department of Medicine, Stanford University School of Medicine, Beckman Center, 279 Campus Drive, Stanford, CA 94305, USA
| | - Naomi L Haddock
- Division of Infectious Diseases and Geographic Medicine, Department of Medicine, Stanford University School of Medicine, Beckman Center, 279 Campus Drive, Stanford, CA 94305, USA
| | - Gernot Kaber
- Division of Infectious Diseases and Geographic Medicine, Department of Medicine, Stanford University School of Medicine, Beckman Center, 279 Campus Drive, Stanford, CA 94305, USA
| | - Hunter A Martinez
- Division of Infectious Diseases and Geographic Medicine, Department of Medicine, Stanford University School of Medicine, Beckman Center, 279 Campus Drive, Stanford, CA 94305, USA
| | - Nadine Nagy
- Division of Infectious Diseases and Geographic Medicine, Department of Medicine, Stanford University School of Medicine, Beckman Center, 279 Campus Drive, Stanford, CA 94305, USA
| | - Harry Karmouty-Quintana
- Department of Biochemistry and Molecular Biology, McGovern Medical School, The University of Texas Health Science Center at Houston (UTHealth Houston), Houston, Texas, USA
| | - Paul L Bollyky
- Division of Infectious Diseases and Geographic Medicine, Department of Medicine, Stanford University School of Medicine, Beckman Center, 279 Campus Drive, Stanford, CA 94305, USA.
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9
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Chi J, Hsiao Y, Liang H, Huang T, Chen F, Chen C, Ko C, Cheng C, Wang J. Blockade of the pentraxin 3/CD44 interaction attenuates lung injury-induced fibrosis. Clin Transl Med 2022; 12:e1099. [PMID: 36336784 PMCID: PMC9637652 DOI: 10.1002/ctm2.1099] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2022] [Revised: 09/27/2022] [Accepted: 10/13/2022] [Indexed: 11/09/2022] Open
Abstract
BACKGROUND Fibrosing interstitial lung diseases (fILD) are potentially fatal with limited therapeutic options and no effective strategies to reverse fibrogenesis. Myofibroblasts are chief effector cells in fibrosis that excessively deposit collagen in the pulmonary interstitium and lead to progressive impairment of gaseous exchange. METHODS Plasma and lung specimens from patients with fILD were applied for detecting pentraxin 3 (PTX3) abundance by ELISA and Immunohistochemistry. Masson's trichrome and Sirius red stains and hydroxyproline assay were performed for assessing collagen accumulation in the lungs of bleomycin-exposed conditional Ptx3-deficient and PTX3-neutralizing antibody (αPTX3i)-treated mice. Downstream effectors including signaling pathways and fibrotic genes were examined for assessing CD44-involved PTX3-induced fibrosis in HFL1 and primary mouse fibroblasts. RESULTS PTX3 was upregulated in the lungs and plasma of bleomycin-exposed mice and correlated with disease severity and adverse outcomes in fILD patients. Decreased collagen accumulation, attenuation of alveolar fibrosis and fibrotic markers, and improved lung function were observed in bleomycin-exposed conditional Ptx3-deficient mice. PTX3 activates lung fibroblasts to differentiate towards migrative and highly collagen-expressing myofibroblasts. Lung fibroblasts with CD44 inactivation attenuated the PI3K-AKT1, NF-κB, and JNK signaling pathways and fibrotic markers. αPTX3i mimic-based therapeutic studies demonstrated abrogation of the migrative fibroblast phenotype and myofibroblast activation in vitro. Notably, αPTX3i inhibited lung fibrosis, reduced collagen deposition, increased mouse survival, and improved lung function in bleomycin-induced pulmonary fibrosis. CONCLUSIONS The present study reveals new insights into the involvement of the PTX3/CD44 axis in fibrosis and suggests PTX3 as a promising therapeutic target in fILD patients.
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Affiliation(s)
- Jhih‐Ying Chi
- Department of Biotechnology and Bioindustry SciencesCollege of Bioscience and BiotechnologyNational Cheng Kung UniversityTainanTaiwan
| | - Yu‐Wei Hsiao
- Department of Biotechnology and Bioindustry SciencesCollege of Bioscience and BiotechnologyNational Cheng Kung UniversityTainanTaiwan
| | - Hsin‐Yin Liang
- Department of Biotechnology and Bioindustry SciencesCollege of Bioscience and BiotechnologyNational Cheng Kung UniversityTainanTaiwan,International Research Center for Wound Repair and RegenerationNational Cheng Kung UniversityTainanTaiwan
| | - Tang‐Hsiu Huang
- Division of Chest MedicineDepartment of Internal MedicineNational Cheng Kung University HospitalCollege of MedicineNational Cheng Kung UniversityTainanTaiwan,Institute of Clinical MedicineCollege of MedicineNational Cheng Kung UniversityTainanTaiwan
| | - Feng‐Wei Chen
- Institute of Basic Medical SciencesCollege of MedicineNational Cheng Kung UniversityTainanTaiwan
| | - Chen‐Yang Chen
- Department of Biotechnology and Bioindustry SciencesCollege of Bioscience and BiotechnologyNational Cheng Kung UniversityTainanTaiwan
| | - Chiung‐Yuan Ko
- Ph.D. Program in Medical NeuroscienceCollege of Medical Science and TechnologyTaipei Medical UniversityTaipeiTaiwan
| | - Chao‐Chun Cheng
- Institute of Basic Medical SciencesCollege of MedicineNational Cheng Kung UniversityTainanTaiwan
| | - Ju‐Ming Wang
- Department of Biotechnology and Bioindustry SciencesCollege of Bioscience and BiotechnologyNational Cheng Kung UniversityTainanTaiwan,International Research Center for Wound Repair and RegenerationNational Cheng Kung UniversityTainanTaiwan,Graduate Institute of Medical SciencesCollege of MedicineTaipei Medical UniversityTaipeiTaiwan,Graduate Institute of MedicineCollege of MedicineKaohsiung Medical UniversityKaohsiungTaiwan
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10
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Zhou L, Tian H, Wang Q, Xiong W, Zhou X, Yan J. Effect of Qingfei Huaxian Decoction combined with prednisone acetate on serum inflammatory factors and pulmonary function of patients with idiopathic pulmonary fibrosis. Am J Transl Res 2022; 14:5905-5914. [PMID: 36105016 PMCID: PMC9452306] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2022] [Accepted: 07/20/2022] [Indexed: 06/15/2023]
Abstract
OBJECTIVE To determine the effect of Qingfei Huaxian Decoction combined with prednisone acetate on serum inflammatory factors and pulmonary function in patients with idiopathic pulmonary fibrosis (IPF). METHODS The clinical data of 118 patients with IPF treated in Wuhan Hospital of Traditional Chinese Medicine from June 2019 to August 2021 were retrospectively analyzed. Among the patients, 56 patients treated with prednisone acetate were assigned to the control group, and the remaining 62 patients treated with Qingfei Huaxian Decoction combined with prednisone acetate were assigned to the observation group. The efficacy and incidence of adverse reactions were compared between the two groups, and forced expiratory volume in 1 second (FEV1), forced vital capacity (FVC), FEV1/FVC, interleukin-6 (IL-6), interleukin-12 (IL-12), interleukin-18 (IL-18), hyaluronic acid (HA) and laminin (LN) in the two groups were evaluated before and after therapy. Logistic regression was conducted to analyze the risk factors impacting the treatment efficacy in patients. RESULTS After therapy, the observation group showed significantly higher efficacy than the control group. Compared with the control group, the observation group showed significantly higher levels of FEV1, FVC and FEV1/FVC, significantly lower levels of HA and LN, and a significantly higher IL-12 level (all P < 0.05). Therapeutic regimen, IL-6, IL-12, IL-18 and HA were independent risk factors impacting the efficacy of treatment in patients (P < 0.05). CONCLUSION Qingfei Huaxian Decoction combined with prednisone acetate has greater treatmetn efficacy in patients with IPF by improving the serum inflammatory factors and pulmonary function.
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Affiliation(s)
- Lei Zhou
- Nephrology Department, Wuhan Hospital of Traditional Chinese MedicineNo. 303 Sixin Avenue, Hanyang District, Wuhan 430050, Hubei, China
| | - Hui Tian
- Department of Pulmonary Diseases, Wuhan Hospital of Traditional Chinese MedicineWuhan 430050, Hubei, China
| | - Qiong Wang
- Endocrine Department, Wuhan Hospital of Traditional Chinese MedicineWuhan 430050, Hubei, China
| | - Wuzhong Xiong
- Endocrine Department, Wuhan Hospital of Traditional Chinese MedicineWuhan 430050, Hubei, China
| | - Xiang Zhou
- Clinical Laboratory, Wuhan Hospital of Traditional Chinese MedicineWuhan 430050, Hubei, China
| | - Jingjing Yan
- Department of Pulmonary Diseases, Wuhan Hospital of Traditional Chinese MedicineWuhan 430050, Hubei, China
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