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Tang F, Reeves SR, Brune JE, Chang MY, Chan CK, Waldron P, Drummond SP, Milner CM, Alonge KM, Garantziotis S, Day AJ, Altemeier WA, Frevert CW. Inter-alpha-trypsin inhibitor (IαI) and hyaluronan modifications enhance the innate immune response to influenza virus in the lung. Matrix Biol 2024; 126:25-42. [PMID: 38232913 DOI: 10.1016/j.matbio.2024.01.004] [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: 08/24/2023] [Revised: 12/22/2023] [Accepted: 01/14/2024] [Indexed: 01/19/2024]
Abstract
The inter-alpha-trypsin inhibitor (IαI) complex is composed of the bikunin core protein with a single chondroitin sulfate (CS) attached and one or two heavy chains (HCs) covalently linked to the CS chain. The HCs from IαI can be transferred to hyaluronan (HA) through a TNFα-stimulated gene-6 (TSG-6) dependent process to form an HC•HA matrix. Previous studies reported increased IαI, HA, and HC•HA complexes in mouse bronchoalveolar lavage fluid (BALF) post-influenza infection. However, the expression and incorporation of HCs into the HA matrix of the lungs during the clinical course of influenza A virus (IAV) infection and the biological significance of the HC•HA matrix are poorly understood. The present study aimed to better understand the composition of HC•HA matrices in mice infected with IAV and how these matrices regulate the host pulmonary immune response. In IAV infected mice bikunin, HC1-3, TSG-6, and HAS1-3 all show increased gene expression at various times during a 12-day clinical course. The increased accumulation of IαI and HA was confirmed in the lungs of infected mice using immunohistochemistry and quantitative digital pathology. Western blots confirmed increases in the IαI components in BALF and lung tissue at 6 days post-infection (dpi). Interestingly, HCs and bikunin recovered from BALF and plasma from mice 6 dpi with IAV, displayed differences in the HC composition by Western blot analysis and differences in bikunin's CS chain sulfation patterns by mass spectrometry analysis. This strongly suggests that the IαI components were synthesized in the lungs rather than translocated from the vascular compartment. HA was significantly increased in BALF at 6 dpi, and the HA recovered in BALF and lung tissues were modified with HCs indicating the presence of an HC•HA matrix. In vitro experiments using polyinosinic-polycytidylic acid (poly(I:C)) treated mouse lung fibroblasts (MLF) showed that modification of HA with HCs increased cell-associated HA, and that this increase was due to the retention of HA in the MLF glycocalyx. In vitro studies of leukocyte adhesion showed differential binding of lymphoid (Hut78), monocyte (U937), and neutrophil (dHL60) cell lines to HA and HC•HA matrices. Hut78 cells adhered to immobilized HA in a size and concentration-dependent manner. In contrast, the binding of dHL60 and U937 cells depended on generating a HC•HA matrix by MLF. Our in vivo findings, using multiple bronchoalveolar lavages, correlated with our in vitro findings in that lymphoid cells bound more tightly to the HA-glycocalyx in the lungs of influenza-infected mice than neutrophils and mononuclear phagocytes (MNPs). The neutrophils and MNPs were associated with a HC•HA matrix and were more readily lavaged from the lungs. In conclusion, this work shows increased IαI and HA accumulation and the formation of a HC•HA matrix in mouse lungs post-IAV infection. The formation of HA and HC•HA matrices could potentially create specific microenvironments in the lungs for immune cell recruitment and activation during IAV infection.
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Affiliation(s)
- Fengying Tang
- Center for Lung Biology, the University of Washington at South Lake Union, Seattle, WA, USA; Department of Comparative Medicine, University of Washington, Seattle, WA, USA.
| | - Stephen R Reeves
- Center for Respiratory Biology and Therapeutics, Seattle Children's Research Institute, Seattle, WA, USA; Division of Pulmonary and Sleep Medicine, Department of Pediatrics, University of Washington, Seattle, WA, USA
| | - Jourdan E Brune
- Center for Lung Biology, the University of Washington at South Lake Union, Seattle, WA, USA; Department of Comparative Medicine, University of Washington, Seattle, WA, USA
| | - Mary Y Chang
- Center for Lung Biology, the University of Washington at South Lake Union, Seattle, WA, USA; Department of Comparative Medicine, University of Washington, Seattle, WA, USA
| | - Christina K Chan
- Center for Lung Biology, the University of Washington at South Lake Union, Seattle, WA, USA; Department of Comparative Medicine, University of Washington, Seattle, WA, USA
| | - Peter Waldron
- Center for Lung Biology, the University of Washington at South Lake Union, Seattle, WA, USA; Department of Comparative Medicine, University of Washington, Seattle, WA, USA
| | - Sheona P Drummond
- Welcome Centre for Cell-Matrix Research, University of Manchester, Manchester, UK; Faculty of Biology Medicine & Health, University of Manchester, Manchester Academic Health Science Centre, Manchester, UK
| | - Caroline M Milner
- Faculty of Biology Medicine & Health, University of Manchester, Manchester Academic Health Science Centre, Manchester, UK; Lydia Becker Institute of Immunology and Inflammation, University of Manchester, Manchester, UK
| | - Kimberly M Alonge
- Department of Medicinal Chemistry, University of Washington, Seattle, WA, USA
| | - Stavros Garantziotis
- Division of Intramural Research, National Institute of Environmental Health Sciences, Research Triangle Park, NC, USA
| | - Anthony J Day
- Welcome Centre for Cell-Matrix Research, University of Manchester, Manchester, UK; Faculty of Biology Medicine & Health, University of Manchester, Manchester Academic Health Science Centre, Manchester, UK; Lydia Becker Institute of Immunology and Inflammation, University of Manchester, Manchester, UK
| | - William A Altemeier
- Center for Lung Biology, the University of Washington at South Lake Union, Seattle, WA, USA; Division of Pulmonary, Critical Care and Sleep Medicine, Department of Medicine, University of Washington, Seattle, WA, USA
| | - Charles W Frevert
- Center for Lung Biology, the University of Washington at South Lake Union, Seattle, WA, USA; Department of Comparative Medicine, University of Washington, Seattle, WA, USA; Division of Pulmonary, Critical Care and Sleep Medicine, Department of Medicine, University of Washington, Seattle, WA, USA
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Erxleben DA, Dodd RJ, Day AJ, Green DE, DeAngelis PL, Poddar S, Enghild JJ, Huebner JL, Kraus VB, Watkins AR, Reesink HL, Rahbar E, Hall AR. Targeted Analysis of the Size Distribution of Heavy Chain-Modified Hyaluronan with Solid-State Nanopores. Anal Chem 2024; 96:1606-1613. [PMID: 38215004 PMCID: PMC11037269 DOI: 10.1021/acs.analchem.3c04387] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2024]
Abstract
The glycosaminoglycan hyaluronan (HA) plays important roles in diverse physiological functions where the distribution of its molecular weight (MW) can influence its behavior and is known to change in response to disease conditions. During inflammation, HA undergoes a covalent modification in which heavy chain subunits of the inter-alpha-inhibitor family of proteins are transferred to its structure, forming heavy chain-HA (HC•HA) complexes. While limited assessments of HC•HA have been performed previously, determining the size distribution of its HA component remains a challenge. Here, we describe a selective method for extracting HC•HA from mixtures that yields material amenable to MW analysis with a solid-state nanopore sensor. After demonstrating the approach in vitro, we validate extraction of HC•HA from osteoarthritic human synovial fluid as a model complex biological matrix. Finally, we apply our technique to pathophysiology by measuring the size distributions of HC•HA and total HA in an equine model of synovitis.
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Affiliation(s)
- Dorothea A. Erxleben
- Virginia Tech-Wake Forest University School of Biomedical Engineering and Sciences, Wake Forest School of Medicine, Winston-Salem, NC 27101, USA
| | - Rebecca J. Dodd
- Wellcome Centre for Cell-Matrix Research, Faculty of Biology, Medicine and Health, Manchester Academic Health Science Centre, University of Manchester, Manchester, M13 9PT, United Kingdom
| | - Anthony J. Day
- Wellcome Centre for Cell-Matrix Research, Faculty of Biology, Medicine and Health, Manchester Academic Health Science Centre, University of Manchester, Manchester, M13 9PT, United Kingdom
- Lydia Becker Institute of Immunology and Inflammation, Faculty of Biology, Medicine and Health, Manchester Academic Health Science Centre, University of Manchester, Manchester, M13 9PL, United Kingdom
| | - Dixy E. Green
- Department of Biochemistry and Molecular Biology, University of Oklahoma Health Sciences Center, Oklahoma City, OK 73104, USA
| | - Paul L. DeAngelis
- Department of Biochemistry and Molecular Biology, University of Oklahoma Health Sciences Center, Oklahoma City, OK 73104, USA
| | - Suruchi Poddar
- Virginia Tech-Wake Forest University School of Biomedical Engineering and Sciences, Wake Forest School of Medicine, Winston-Salem, NC 27101, USA
| | - Jan J. Enghild
- Department of Molecular Biology and Genetics, Aarhus University, Aarhus, C 8000, Denmark
| | - Janet L. Huebner
- Duke Molecular Physiology Institute and Department of Medicine, Duke University School of Medicine, Durham, NC 27710, USA
| | - Virginia B. Kraus
- Duke Molecular Physiology Institute and Department of Medicine, Duke University School of Medicine, Durham, NC 27710, USA
| | - Amanda R. Watkins
- Department of Clinical Sciences, College of Veterinary Medicine, Cornell University, Ithaca, NY 14853, USA
| | - Heidi L. Reesink
- Department of Clinical Sciences, College of Veterinary Medicine, Cornell University, Ithaca, NY 14853, USA
| | - Elaheh Rahbar
- Virginia Tech-Wake Forest University School of Biomedical Engineering and Sciences, Wake Forest School of Medicine, Winston-Salem, NC 27101, USA
| | - Adam R. Hall
- Virginia Tech-Wake Forest University School of Biomedical Engineering and Sciences, Wake Forest School of Medicine, Winston-Salem, NC 27101, USA
- Comprehensive Cancer Center, Wake Forest School of Medicine, Winston-Salem, NC 27157, USA
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Sun Z, Zhang Y, Zhou H, Li J, Zhou Y, Wang L. Serum interα-trypsin inhibitor heavy chain H4 may be an anti-inflammatory marker reflecting disease risk, activity and treatment outcome of ankylosing spondylitis. Scand J Clin Lab Invest 2023; 83:540-547. [PMID: 38156824 DOI: 10.1080/00365513.2023.2250986] [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: 01/16/2023] [Accepted: 08/19/2023] [Indexed: 01/03/2024]
Abstract
Interα-trypsin inhibitor heavy chain H4 (ITIH4) modulates inflammation and immunity, which take part in the pathogenesis of ankylosing spondylitis (AS). The current research intended to discover the clinical value of serum ITIH4 quantification for AS management. Serum ITIH4 among 80 AS patients before current treatment initiation (baseline) at weeks (W) 4, 8 and 12 after treatment was detected by ELISA. Serum ITIH4 from 20 disease controls (DCs) and 20 healthy controls (HCs) was detected. ITIH4 expression was lower in AS patients than in DCs (p = 0.002) and HCs (p < 0.001). Among AS patients, ITIH4 was negatively associated with C-reactive protein (CRP) (r = -0.311, p = 0.005), bath AS disease activity index (BASDAI) (r = -0.223, p = 0.047), total pack pain (r = -0.273, p = 0.014) and AS disease activity score (ASDAS) (CRP) (r = -0.265, p = 0.018). Meanwhile, ITIH4 was negatively related to tumor necrosis factor (TNF)-α (r = -0.364, p = 0.001), interleukin (IL)-1β (r = -0.251, p = 0.025), IL-6 (r = -0.292, p = 0.009) and IL-17A (r = -0.254, p = 0.023). After treatment, the assessment of the spondylitis arthritis international society 40 response rate was 28.7% at W4, 46.3% at W8 and 55.0% at W12; ITIH4 showed an increasing trend from baseline to W12 (p < 0.001). Furthermore, ITIH4 at W8 (p = 0.020) and W12 (p = 0.035), but not at baseline or W4 (both p > 0.05), was enhanced in response patients vs. nonresponse patients. Additionally, ITIH4 at W12 was increased in AS patients receiving TNF inhibitors vs. those receiving nonsteroidal anti-inflammatory drugs (NSAIDs) (p = 0.024). Serum ITIH4 increases after treatment, and its augmentation is correlated with lower disease activity, decreased inflammation and enhanced treatment response in AS patients.
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Affiliation(s)
- Zhumin Sun
- Department of Rheumatology and Immunology, Shuyang County Hospital of Traditional Chinese Medicine, Suqian, P.R. China
| | - Yang Zhang
- Department of Rheumatology and Immunology, Shuyang County Hospital of Traditional Chinese Medicine, Suqian, P.R. China
| | - Haiyan Zhou
- Department of Rheumatology and Immunology, Shuyang County Hospital of Traditional Chinese Medicine, Suqian, P.R. China
| | - Jingyun Li
- Department of Rheumatology and Immunology, Shuyang County Hospital of Traditional Chinese Medicine, Suqian, P.R. China
| | - Yue Zhou
- Department of Rheumatology and Immunology, Shuyang County Hospital of Traditional Chinese Medicine, Suqian, P.R. China
| | - Liyun Wang
- Department of Pharmacy, Shuyang County Hospital of Traditional Chinese Medicine, Suqian, P.R. China
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Mikosz A, Ni K, Gally F, Pratte KA, Winfree S, Lin Q, Echelman I, Wetmore B, Cao D, Justice MJ, Sandhaus RA, Maier L, Strange C, Bowler RP, Petrache I, Serban KA. Alpha-1 antitrypsin inhibits fractalkine-mediated monocyte-lung endothelial cell interactions. Am J Physiol Lung Cell Mol Physiol 2023; 325:L711-L725. [PMID: 37814796 PMCID: PMC11068395 DOI: 10.1152/ajplung.00023.2023] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2023] [Revised: 08/28/2023] [Accepted: 09/20/2023] [Indexed: 10/11/2023] Open
Abstract
Chronic obstructive pulmonary disease (COPD) is characterized by nonresolving inflammation fueled by breach in the endothelial barrier and leukocyte recruitment into the airspaces. Among the ligand-receptor axes that control leukocyte recruitment, the full-length fractalkine ligand (CX3CL1)-receptor (CX3CR1) ensures homeostatic endothelial-leukocyte interactions. Cigarette smoke (CS) exposure and respiratory pathogens increase expression of endothelial sheddases, such as a-disintegrin-and-metalloproteinase-domain 17 (ADAM17, TACE), inhibited by the anti-protease α-1 antitrypsin (AAT). In the systemic endothelium, TACE cleaves CX3CL1 to release soluble CX3CL1 (sCX3CL1). During CS exposure, it is not known whether AAT inhibits sCX3CL1 shedding and CX3CR1+ leukocyte transendothelial migration across lung microvasculature. We investigated the mechanism of sCX3CL1 shedding, its role in endothelial-monocyte interactions, and AAT effect on these interactions during acute inflammation. We used two, CS and lipopolysaccharide (LPS) models of acute inflammation in transgenic Cx3cr1gfp/gfp mice and primary human endothelial cells and monocytes to study sCX3CL1-mediated CX3CR1+ monocyte adhesion and migration. We measured sCX3CL1 levels in plasma and bronchoalveolar lavage (BALF) of individuals with COPD. Both sCX3CL1 shedding and CX3CR1+ monocytes transendothelial migration were triggered by LPS and CS exposure in mice, and were significantly attenuated by AAT. The inhibition of monocyte-endothelial adhesion and migration by AAT was TACE-dependent. Compared with healthy controls, sCX3CL1 levels were increased in plasma and BALF of individuals with COPD, and were associated with clinical parameters of emphysema. Our results indicate that inhibition of sCX3CL1 as well as AAT augmentation may be effective approaches to decrease excessive monocyte lung recruitment during acute and chronic inflammatory states.NEW & NOTEWORTHY Our novel findings that AAT and other inhibitors of TACE, the sheddase that controls full-length fractalkine (CX3CL1) endothelial expression, may provide fine-tuning of the CX3CL1-CX3CR1 axis specifically involved in endothelial-monocyte cross talk and leukocyte recruitment to the alveolar space, suggests that AAT and inhibitors of sCX3CL1 signaling may be harnessed to reduce lung inflammation.
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Affiliation(s)
- Andrew Mikosz
- Division of Pulmonary, Critical Care, and Sleep Medicine, Department of Medicine, National Jewish Health, Denver, Colorado, United States
| | - Kevin Ni
- Division of Pulmonary, Critical Care, and Sleep Medicine, Department of Medicine, National Jewish Health, Denver, Colorado, United States
- Medical Scientist Training Program, Indiana University School of Medicine, Indianapolis, Indiana, United States
| | - Fabienne Gally
- Department of Immunology and Genomic Medicine, National Jewish Health, Denver, Colorado, United States
| | - Katherine A Pratte
- Division of Pulmonary, Critical Care, and Sleep Medicine, Department of Medicine, National Jewish Health, Denver, Colorado, United States
| | - Seth Winfree
- Division of Pulmonary, Critical Care, and Sleep Medicine, Department of Medicine, Indiana University, Indianapolis, Indiana, United States
- Department of Anatomy, Cell Biology and Physiology, Indiana University, Indianapolis, Indiana, United States
| | - Qiong Lin
- Department of Medicine, Fuzhou First Hospital Affiliated with Fujian Medical University, Fuzhou, Fujian, China
| | - Isabelle Echelman
- Division of Pulmonary, Critical Care, and Sleep Medicine, Department of Medicine, National Jewish Health, Denver, Colorado, United States
| | - Brianna Wetmore
- Division of Pulmonary, Critical Care, and Sleep Medicine, Department of Medicine, National Jewish Health, Denver, Colorado, United States
| | - Danting Cao
- Division of Pulmonary, Critical Care, and Sleep Medicine, Department of Medicine, National Jewish Health, Denver, Colorado, United States
- Division of Pulmonary, Critical Care, and Sleep Medicine, Department of Medicine, University of Colorado, Anschutz Medical Center, Aurora, Colorado, United States
| | - Matthew J Justice
- Division of Pulmonary, Critical Care, and Sleep Medicine, Department of Medicine, National Jewish Health, Denver, Colorado, United States
| | - Robert A Sandhaus
- Division of Pulmonary, Critical Care, and Sleep Medicine, Department of Medicine, National Jewish Health, Denver, Colorado, United States
| | - Lisa Maier
- Division of Pulmonary, Critical Care, and Sleep Medicine, Department of Medicine, National Jewish Health, Denver, Colorado, United States
- Division of Pulmonary, Critical Care, and Sleep Medicine, Department of Medicine, University of Colorado, Anschutz Medical Center, Aurora, Colorado, United States
| | - Charlie Strange
- Department of Medicine, Division of Pulmonary, Critical Care, Allergy and Sleep Medicine, Medical University of South Carolina, Charleston, South Carolina, United States
| | - Russell P Bowler
- Division of Pulmonary, Critical Care, and Sleep Medicine, Department of Medicine, National Jewish Health, Denver, Colorado, United States
- Division of Pulmonary, Critical Care, and Sleep Medicine, Department of Medicine, University of Colorado, Anschutz Medical Center, Aurora, Colorado, United States
| | - Irina Petrache
- Division of Pulmonary, Critical Care, and Sleep Medicine, Department of Medicine, National Jewish Health, Denver, Colorado, United States
- Division of Pulmonary, Critical Care, and Sleep Medicine, Department of Medicine, Indiana University, Indianapolis, Indiana, United States
- Division of Pulmonary, Critical Care, and Sleep Medicine, Department of Medicine, University of Colorado, Anschutz Medical Center, Aurora, Colorado, United States
| | - Karina A Serban
- Division of Pulmonary, Critical Care, and Sleep Medicine, Department of Medicine, National Jewish Health, Denver, Colorado, United States
- Division of Pulmonary, Critical Care, and Sleep Medicine, Department of Medicine, Indiana University, Indianapolis, Indiana, United States
- Division of Pulmonary, Critical Care, and Sleep Medicine, Department of Medicine, University of Colorado, Anschutz Medical Center, Aurora, Colorado, United States
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Islam MA, Kibria MK, Hossen MB, Reza MS, Tasmia SA, Tuly KF, Mosharof MP, Kabir SR, Kabir MH, Mollah MNH. Bioinformatics-based investigation on the genetic influence between SARS-CoV-2 infections and idiopathic pulmonary fibrosis (IPF) diseases, and drug repurposing. Sci Rep 2023; 13:4685. [PMID: 36949176 PMCID: PMC10031699 DOI: 10.1038/s41598-023-31276-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2022] [Accepted: 03/09/2023] [Indexed: 03/24/2023] Open
Abstract
Some recent studies showed that severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infections and idiopathic pulmonary fibrosis (IPF) disease might stimulate each other through the shared genes. Therefore, in this study, an attempt was made to explore common genomic biomarkers for SARS-CoV-2 infections and IPF disease highlighting their functions, pathways, regulators and associated drug molecules. At first, we identified 32 statistically significant common differentially expressed genes (cDEGs) between disease (SARS-CoV-2 and IPF) and control samples of RNA-Seq profiles by using a statistical r-package (edgeR). Then we detected 10 cDEGs (CXCR4, TNFAIP3, VCAM1, NLRP3, TNFAIP6, SELE, MX2, IRF4, UBD and CH25H) out of 32 as the common hub genes (cHubGs) by the protein-protein interaction (PPI) network analysis. The cHubGs regulatory network analysis detected few key TFs-proteins and miRNAs as the transcriptional and post-transcriptional regulators of cHubGs. The cDEGs-set enrichment analysis identified some crucial SARS-CoV-2 and IPF causing common molecular mechanisms including biological processes, molecular functions, cellular components and signaling pathways. Then, we suggested the cHubGs-guided top-ranked 10 candidate drug molecules (Tegobuvir, Nilotinib, Digoxin, Proscillaridin, Simeprevir, Sorafenib, Torin 2, Rapamycin, Vancomycin and Hesperidin) for the treatment against SARS-CoV-2 infections with IFP diseases as comorbidity. Finally, we investigated the resistance performance of our proposed drug molecules compare to the already published molecules, against the state-of-the-art alternatives publicly available top-ranked independent receptors by molecular docking analysis. Molecular docking results suggested that our proposed drug molecules would be more effective compare to the already published drug molecules. Thus, the findings of this study might be played a vital role for diagnosis and therapies of SARS-CoV-2 infections with IPF disease as comorbidity risk.
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Affiliation(s)
- Md Ariful Islam
- Bioinformatics Lab(Dry), Department of Statistics, University of Rajshahi, Rajshahi, 6205, Bangladesh
| | - Md Kaderi Kibria
- Bioinformatics Lab(Dry), Department of Statistics, University of Rajshahi, Rajshahi, 6205, Bangladesh
| | - Md Bayazid Hossen
- Bioinformatics Lab(Dry), Department of Statistics, University of Rajshahi, Rajshahi, 6205, Bangladesh
| | - Md Selim Reza
- Bioinformatics Lab(Dry), Department of Statistics, University of Rajshahi, Rajshahi, 6205, Bangladesh
| | - Samme Amena Tasmia
- Bioinformatics Lab(Dry), Department of Statistics, University of Rajshahi, Rajshahi, 6205, Bangladesh
| | - Khanis Farhana Tuly
- Bioinformatics Lab(Dry), Department of Statistics, University of Rajshahi, Rajshahi, 6205, Bangladesh
| | - Md Parvez Mosharof
- Bioinformatics Lab(Dry), Department of Statistics, University of Rajshahi, Rajshahi, 6205, Bangladesh
- School of Business, University of Southern Queensland, Toowoomba, QLD, 4350, Australia
| | - Syed Rashel Kabir
- Department of Biochemistry and Molecular Biology, University of Rajshahi, Rajshahi, 6205, Bangladesh
| | - Md Hadiul Kabir
- Bioinformatics Lab(Dry), Department of Statistics, University of Rajshahi, Rajshahi, 6205, Bangladesh
| | - Md Nurul Haque Mollah
- Bioinformatics Lab(Dry), Department of Statistics, University of Rajshahi, Rajshahi, 6205, Bangladesh.
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Zhao X, Guo Y, Li L, Li Y. Longitudinal change of serum inter-alpha-trypsin inhibitor heavy chain H4, and its correlation with inflammation, multiorgan injury, and death risk in sepsis. J Clin Lab Anal 2023; 37:e24834. [PMID: 36725250 PMCID: PMC9978082 DOI: 10.1002/jcla.24834] [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: 12/14/2022] [Revised: 12/23/2022] [Accepted: 12/28/2022] [Indexed: 02/03/2023] Open
Abstract
BACKGROUND Inter-alpha-trypsin inhibitor heavy chain H4 (ITIH4) inhibits infection-induced inflammation and multiorgan injury through several methods. The present study aimed to estimate the association of serum ITIH4 with inflammatory cytokines, multiorgan injury, and death risk in sepsis patients. METHODS Serum samples were collected to detect ITIH4 by enzyme-linked immunosorbent assay in 127 sepsis patients at admission (baseline), day (D)1, D3, and D7 after admission, as well as in 30 healthy controls (HCs). Additionally, 28-day mortality was recorded in sepsis patients. RESULTS ITIH4 was reduced in sepsis patients versus HCs (median [interquartile range]: 147.9 [78.2-208.8] vs. 318.8 [237.2-511.4] ng/ml) (p < 0.001). In sepsis patients, ITIH4 was associated with the absence of cardiovascular and cerebrovascular disease history (p = 0.021). Additionally, ITIH4 was negatively correlated with tumor necrosis factor-α (p < 0.001), interleukin (IL)-1β (p < 0.001), IL-6 (p = 0.019), IL-17A (p = 0.002), and C-reactive protein (p = 0.001), but positively related to IL-10 (p = 0.007). Moreover, ITIH4 was also inversely associated with Acute Physiology and Chronic Health Evaluation II score (p = 0.002), Sequential Organ Failure Assessment (SOFA) score (p < 0.001), SOFA-respiratory system score (p = 0.023), and SOFA-renal system score (p = 0.007). Interestingly, ITIH4 gradually increased from baseline to D7 (p < 0.001); besides, ITIH4 at baseline (p = 0.009), D1 (p = 0.002), D3 (p < 0.001), and D7 (p = 0.015) were all decreased in sepsis deaths versus sepsis survivors. CONCLUSION Serum ITIH4 is raised from baseline to D7 after disease onset, and it reflects the reduction of systemic inflammation, disease severity, and 28-day mortality for sepsis. However, further verification is required.
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Affiliation(s)
- Xiangwang Zhao
- Department of Emergency Medicine, Shanghai East Hospital, Shanghai, China
| | - Yong Guo
- Department of Intensive Care Medicine, The Third People's Hospital, Qingdao, China
| | - Lingyu Li
- Department of Emergency Medicine, Shanghai East Hospital, Shanghai, China
| | - Yusheng Li
- Department of Emergency Medicine, Shanghai East Hospital, Shanghai, China
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7
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Zhao F, Barber CJ, Sammani S, Wan L, Miller BW, Furenlid LR, Li Z, Gotur DB, Barrios R, Woolfenden JM, Martin DR, Liu Z. Use of radiolabeled hyaluronic acid for preclinical assessment of inflammatory injury and acute respiratory distress syndrome. Nucl Med Biol 2022; 114-115:86-98. [PMID: 36270074 PMCID: PMC9562607 DOI: 10.1016/j.nucmedbio.2022.10.002] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2022] [Revised: 09/29/2022] [Accepted: 10/06/2022] [Indexed: 12/27/2022]
Abstract
Acute respiratory distress syndrome (ARDS) is accompanied by a dramatic increase in lung hyaluronic acid (HA), leading to a dose-dependent reduction of pulmonary oxygenation. This pattern is associated with severe infections, such as COVID-19, and other important lung injury etiologies. HA actively participates in molecular pathways involved in the cytokine storm of COVID-19-induced ARDS. The objective of this study was to evaluate an imaging approach of radiolabeled HA for assessment of dysregulated HA deposition in mouse models with skin inflammation and lipopolysaccharide (LPS)-induced ARDS using a novel portable intensified Quantum Imaging Detector (iQID) gamma camera system. METHODS HA of 10 kDa molecular weight (HA10) was radiolabeled with 125I and 99mTc respectively to produce [125I]I-HA10 and [99mTc]Tc-HA10, followed by comparative studies on stability, in vivo biodistribution, and uptake at inflammatory skin sites in mice with 12-O-tetradecanoylphorbol-13-acetate (TPA)-inflamed ears. [99mTc]Tc-HA10 was used for iQID in vivo dynamic imaging of mice with ARDS induced by intratracheal instillation of LPS. RESULTS [99mTc]Tc-HA10 and [125I]I-HA10 had similar biodistribution and localization at inflammatory sites. [99mTc]Tc-HA10 was shown to be feasible in measuring skin injury and monitoring skin wound healing. [99mTc]Tc-HA10 dynamic pulmonary images yielded good visualization of radioactive uptake in the lungs. There was significantly increased lung uptake and slower lung washout in mice with LPS-induced ARDS than in control mice. Postmortem biodistribution measurement of [99mTc]TcHA10 (%ID/g) was 11.0 ± 3.9 vs. 1.3 ± 0.3 in the ARDS mice (n = 6) and controls (n = 6) (P < 0.001), consistent with upregulated HA expression as determined by enzyme-linked immunosorbent assay (ELISA) and immunohistochemistry (IHC) staining. CONCLUSIONS [99mTc]Tc-HA10 is promising as a biomarker for evaluating HA dysregulation that contributes to pulmonary injury in ARDS. Rapid iQID imaging of [99mTc]Tc-HA10 clearance from injured lungs may provide a functional template for timely assessment and quantitative monitoring of pulmonary pathophysiology and intervention in ARDS.
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Affiliation(s)
- Fangyuan Zhao
- Department of Medical Imaging, University of Arizona, Tucson, AZ, United States of America; Food Science and Engineering College, Qingdao Agricultural University, China
| | - Christy J Barber
- Department of Medical Imaging, University of Arizona, Tucson, AZ, United States of America
| | - Saad Sammani
- Department of Medicine, University of Arizona, Tucson, AZ, United States of America
| | - Li Wan
- Department of Medical Imaging, University of Arizona, Tucson, AZ, United States of America
| | - Brian W Miller
- Department of Medical Imaging, University of Arizona, Tucson, AZ, United States of America; College of Optical Sciences, University of Arizona, Tucson, AZ, United States of America
| | - Lars R Furenlid
- Department of Medical Imaging, University of Arizona, Tucson, AZ, United States of America; College of Optical Sciences, University of Arizona, Tucson, AZ, United States of America
| | - Zheng Li
- Department of Radiology, Houston Methodist Hospital, Houston, TX, United States of America
| | - Deepa B Gotur
- Department of Medicine, Houston Methodist Hospital, Houston, TX, United States of America
| | - Roberto Barrios
- Department of Pathology, Houston Methodist Hospital, Houston, TX, United States of America
| | - James M Woolfenden
- Department of Medical Imaging, University of Arizona, Tucson, AZ, United States of America
| | - Diego R Martin
- Department of Radiology, Houston Methodist Hospital, Houston, TX, United States of America
| | - Zhonglin Liu
- Department of Medical Imaging, University of Arizona, Tucson, AZ, United States of America; Department of Radiology, Houston Methodist Hospital, Houston, TX, United States of America.
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8
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MacLeod R, Chan FV, Yuan H, Ye X, Sin YJA, Vitelli TM, Cucu T, Leung A, Baljak I, Osinski S, Fu Y, Jung GID, Amar A, DeAngelis PL, Hellman U, Cowman MK. Selective isolation of hyaluronan by solid phase adsorption to silica. Anal Biochem 2022; 652:114769. [PMID: 35660507 PMCID: PMC9589902 DOI: 10.1016/j.ab.2022.114769] [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: 12/05/2021] [Revised: 04/28/2022] [Accepted: 05/27/2022] [Indexed: 11/01/2022]
Abstract
A solid phase adsorption method for selective isolation of hyaluronan (HA) from biological samples is presented. Following enzymatic degradation of protein, HA can be separated from sulfated glycosaminoglycans, other unsulfated glycosaminoglycans, nucleic acids, and proteolytic fragments by adsorption to amorphous silica at specific salt concentrations. The adsorbed HA can be released from silica using neutral and basic aqueous solutions. HA ranging in size from ∼9 kDa to MDa polymers has been purified by this method from human serum and conditioned medium of cultured cells.
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Affiliation(s)
- Rebecca MacLeod
- Department of Biomedical Engineering, Tandon School of Engineering, New York University, 433 First Avenue, 9thfloor, New York, NY, 10010, USA.
| | - Fok Vun Chan
- Echelon Biosciences Inc., 675 Arapeen Drive, Suite 302, Salt Lake City, UT, 84108, USA.
| | - Han Yuan
- Department of Chemical and Biomolecular Engineering, Tandon School of Engineering, New York University, 6 Metrotech Center, Brooklyn, NY, 11201, USA.
| | - Xin Ye
- Department of Chemical and Biomolecular Engineering, Tandon School of Engineering, New York University, 6 Metrotech Center, Brooklyn, NY, 11201, USA.
| | - Yun Jin Ashley Sin
- Department of Biomedical Engineering, Tandon School of Engineering, New York University, 433 First Avenue, 9thfloor, New York, NY, 10010, USA.
| | - Teraesa M Vitelli
- Department of Biomedical Engineering, Tandon School of Engineering, New York University, 433 First Avenue, 9thfloor, New York, NY, 10010, USA.
| | - Tudor Cucu
- Department of Chemical and Biomolecular Engineering, Tandon School of Engineering, New York University, 6 Metrotech Center, Brooklyn, NY, 11201, USA.
| | - Annie Leung
- Department of Chemical and Biomolecular Engineering, Tandon School of Engineering, New York University, 6 Metrotech Center, Brooklyn, NY, 11201, USA.
| | - Irene Baljak
- Department of Biomedical Engineering, Tandon School of Engineering, New York University, 433 First Avenue, 9thfloor, New York, NY, 10010, USA.
| | - Samantha Osinski
- Department of Chemical and Biomolecular Engineering, Tandon School of Engineering, New York University, 6 Metrotech Center, Brooklyn, NY, 11201, USA.
| | - Yuhong Fu
- Department of Chemical and Biomolecular Engineering, Tandon School of Engineering, New York University, 6 Metrotech Center, Brooklyn, NY, 11201, USA.
| | - Gyu Ik Daniel Jung
- Department of Chemical and Biomolecular Engineering, Tandon School of Engineering, New York University, 6 Metrotech Center, Brooklyn, NY, 11201, USA.
| | - Anant Amar
- Department of Chemical and Biomolecular Engineering, Tandon School of Engineering, New York University, 6 Metrotech Center, Brooklyn, NY, 11201, USA.
| | - Paul L DeAngelis
- Department of Biochemistry and Molecular Biology, University of Oklahoma Health Sciences Center, 940 Stanton L. Young Blvd., Oklahoma, OK, 73104, USA.
| | - Urban Hellman
- Department of Public Health and Clinical Medicine, Umeå University, SE-901 87, Umeå, Sweden.
| | - Mary K Cowman
- Department of Biomedical Engineering, Tandon School of Engineering, New York University, 433 First Avenue, 9thfloor, New York, NY, 10010, USA; Department of Chemical and Biomolecular Engineering, Tandon School of Engineering, New York University, 6 Metrotech Center, Brooklyn, NY, 11201, USA.
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9
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Rivas F, Erxleben D, Smith I, Rahbar E, DeAngelis PL, Cowman MK, Hall AR. Methods for isolating and analyzing physiological hyaluronan: a review. Am J Physiol Cell Physiol 2022; 322:C674-C687. [PMID: 35196167 PMCID: PMC8977137 DOI: 10.1152/ajpcell.00019.2022] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2022] [Revised: 02/22/2022] [Accepted: 02/22/2022] [Indexed: 01/01/2023]
Abstract
The carbohydrate hyaluronan (or hyaluronic acid, HA) is found in all human tissues and biofluids where it has wide-ranging functions in health and disease that are dictated by both its abundance and size. Consequently, hyaluronan evaluation in physiological samples has significant translational potential. Although the analytical tools and techniques for probing other biomolecules such as proteins and nucleic acids have become standard approaches in biochemistry, those available for investigating hyaluronan are less well established. In this review, we survey methods related to the assessment of native hyaluronan in biological specimens, including protocols for separating it from biological matrices and technologies for determining its concentration and molecular weight.
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Affiliation(s)
- Felipe Rivas
- Virginia Tech-Wake Forest University School of Biomedical Engineering and Sciences, Wake Forest School of Medicine, Winston-Salem, North Carolina
| | - Dorothea Erxleben
- Virginia Tech-Wake Forest University School of Biomedical Engineering and Sciences, Wake Forest School of Medicine, Winston-Salem, North Carolina
| | - Ian Smith
- Virginia Tech-Wake Forest University School of Biomedical Engineering and Sciences, Wake Forest School of Medicine, Winston-Salem, North Carolina
| | - Elaheh Rahbar
- Virginia Tech-Wake Forest University School of Biomedical Engineering and Sciences, Wake Forest School of Medicine, Winston-Salem, North Carolina
| | - Paul L DeAngelis
- Department of Biochemistry and Molecular Biology, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma
| | - Mary K Cowman
- Department of Biomedical Engineering, New York University Tandon School of Engineering, New York, New York
- Department of Orthopedic Surgery, New York University Grossman School of Medicine, New York, New York
| | - Adam R Hall
- Virginia Tech-Wake Forest University School of Biomedical Engineering and Sciences, Wake Forest School of Medicine, Winston-Salem, North Carolina
- Comprehensive Cancer Center, Wake Forest School of Medicine, Winston-Salem, North Carolina
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10
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He K, He S, Su M. Inter‐alpha‐trypsin inhibitor heavy chain 4: A serologic marker relating to disease risk, activity, and treatment outcomes of rheumatoid arthritis. J Clin Lab Anal 2022; 36:e24231. [PMID: 35064701 PMCID: PMC8906037 DOI: 10.1002/jcla.24231] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2021] [Revised: 12/23/2021] [Accepted: 12/28/2021] [Indexed: 11/07/2022] Open
Abstract
Objective Inter‐alpha‐trypsin inhibitor heavy chain 4 (ITIH4) regulates immunity and inflammation, but its clinical role in rheumatoid arthritis (RA) patients remains unclear. Hence, this study was conducted to explore the association of circulating ITIH4 with disease risk, clinical features, inflammatory cytokines, and treatment outcomes of RA. Methods After the enrollment of 93 active RA patients and 50 health controls (HCs), their serum ITIH4 level was analyzed by enzyme‐linked immunosorbent assay (ELISA). For RA patients only, serum ITIH4 level at week (W) 6 and W12 after treatment was also analyzed. Besides, serum tumor necrosis factor‐alpha (TNF‐α), interleukin (IL)‐1β, IL‐6, and IL‐17A at baseline of RA patients were also detected by ELISA. Results ITIH4 was downregulated in RA patients (151.1 (interquartile range (IQR): 106.2–213.5) ng/mL) than in HCs (306.8 (IQR: 238.9–435.1) ng/mL) (p < 0.001). Furthermore, ITIH4 was negatively related to C‐reactive protein (CRP) (rs = −0.358, p < 0.001) and 28‐joint disease activity score using erythrocyte sedimentation rate (DAS28‐ESR) (rs = −0.253, p = 0.014) in RA patients, but not correlated with other clinical features (all p > 0.05). Besides, ITIH4 was negatively linked with TNF‐α (rs = −0.337, p = 0.001), IL‐6 (rs = −0.221, p = 0.033), and IL‐17A (rs = −0.368, p < 0.001) in RA patients, but not correlated with IL‐1β (rs = −0.195, p = 0.061). Moreover, ITIH4 was gradually elevated in RA patients from baseline to W12 after treatment (p < 0.001). Additionally, the increment of ITIH4 at W6 and W12 was linked with treatment response and remission in RA patients (all p < 0.05). Conclusion Circulating ITIH4 possesses clinical utility in monitoring disease risk, inflammation, disease activity, and treatment outcomes of RA.
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Affiliation(s)
- Kejian He
- Department of Rheumatology The First College of Clinical Medical Science Three Gorges University & Yichang Central People’s Hospital Yichang China
| | - Sanshan He
- Department of Rheumatism Immunology Minda Hospital of Hubei Minzu University Enshi China
| | - Min Su
- Department of Rheumatology and Immunology The People’s Hospital of China Three Gorges UniversityThe First People’s Hospital of YichangThe Institute of Autoimmune Disease of China Three Gorges University Hubei China
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11
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Kocurkova A, Nesporova K, Sandanusova M, Kerberova M, Lehka K, Velebny V, Kubala L, Ambrozova G. Endogenously-Produced Hyaluronan and Its Potential to Regulate the Development of Peritoneal Adhesions. Biomolecules 2021; 12:biom12010045. [PMID: 35053193 PMCID: PMC8773905 DOI: 10.3390/biom12010045] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2021] [Revised: 12/17/2021] [Accepted: 12/24/2021] [Indexed: 12/23/2022] Open
Abstract
Formation of peritoneal adhesions (PA) is one of the major complications following intra-abdominal surgery. It is primarily caused by activation of the mesothelial layer and underlying tissues in the peritoneal membrane resulting in the transition of mesothelial cells (MCs) and fibroblasts to a pro-fibrotic phenotype. Pro-fibrotic transition of MCs—mesothelial-to-mesenchymal transition (MMT), and fibroblasts activation to myofibroblasts are interconnected to changes in cellular metabolism and culminate in the deposition of extracellular matrix (ECM) in the form of fibrotic tissue between injured sides in the abdominal cavity. However, ECM is not only a mechanical scaffold of the newly synthetized tissue but reciprocally affects fibrosis development. Hyaluronan (HA), an important component of ECM, is a non-sulfated glycosaminoglycan consisting of N-acetyl-D-glucosamine (GlcNAc) and D-glucuronic acid (GlcUA) that can affect the majority of processes involved in PA formation. This review considers the role of endogenously produced HA in the context of different fibrosis-related pathologies and its overlap in the development of PA.
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Affiliation(s)
- Anna Kocurkova
- Institute of Biophysics, Academy of Sciences of the Czech Republic, 612 65 Brno, Czech Republic; (A.K.); (M.S.); (M.K.); (L.K.)
- Institute of Experimental Biology, Faculty of Science, Masaryk University, 611 37 Brno, Czech Republic
- International Clinical Research Center, St. Anne’s University Hospital, 656 91 Brno, Czech Republic
| | - Kristina Nesporova
- Contipro a.s., Dolní Dobrouč 401, 561 02 Dolní Dobrouč, Czech Republic; (K.N.); (K.L.); (V.V.)
| | - Miriam Sandanusova
- Institute of Biophysics, Academy of Sciences of the Czech Republic, 612 65 Brno, Czech Republic; (A.K.); (M.S.); (M.K.); (L.K.)
- Institute of Experimental Biology, Faculty of Science, Masaryk University, 611 37 Brno, Czech Republic
- International Clinical Research Center, St. Anne’s University Hospital, 656 91 Brno, Czech Republic
| | - Michaela Kerberova
- Institute of Biophysics, Academy of Sciences of the Czech Republic, 612 65 Brno, Czech Republic; (A.K.); (M.S.); (M.K.); (L.K.)
| | - Katerina Lehka
- Contipro a.s., Dolní Dobrouč 401, 561 02 Dolní Dobrouč, Czech Republic; (K.N.); (K.L.); (V.V.)
| | - Vladimir Velebny
- Contipro a.s., Dolní Dobrouč 401, 561 02 Dolní Dobrouč, Czech Republic; (K.N.); (K.L.); (V.V.)
| | - Lukas Kubala
- Institute of Biophysics, Academy of Sciences of the Czech Republic, 612 65 Brno, Czech Republic; (A.K.); (M.S.); (M.K.); (L.K.)
- Institute of Experimental Biology, Faculty of Science, Masaryk University, 611 37 Brno, Czech Republic
- International Clinical Research Center, St. Anne’s University Hospital, 656 91 Brno, Czech Republic
| | - Gabriela Ambrozova
- Institute of Biophysics, Academy of Sciences of the Czech Republic, 612 65 Brno, Czech Republic; (A.K.); (M.S.); (M.K.); (L.K.)
- Correspondence:
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12
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Lourido L, Balboa-Barreiro V, Ruiz-Romero C, Rego-Pérez I, Camacho-Encina M, Paz-González R, Calamia V, Oreiro N, Nilsson P, Blanco FJ. A clinical model including protein biomarkers predicts radiographic knee osteoarthritis: a prospective study using data from the Osteoarthritis Initiative. Osteoarthritis Cartilage 2021; 29:1147-1154. [PMID: 33933586 DOI: 10.1016/j.joca.2021.04.011] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/09/2020] [Revised: 04/01/2021] [Accepted: 04/12/2021] [Indexed: 02/02/2023]
Abstract
OBJECTIVE We aimed to provide a model to predict the prospective development of radiographic KOA (rKOA). METHOD Baseline sera from 333 non-radiographic KOA subjects belonging to OA Initiative (OAI) who developed or not, rKOA during a follow-up period of 96 months were used in this study. The exploratory cohort included 200 subjects, whereas the replication cohort included 133. The levels of inter-alpha trypsin inhibitor heavy chain 1 (ITIH1), complement C3 (C3) and calcyclin (S100A6), identified in previous large proteomic analysis, were analyzed by using sandwich immunoassays on suspension bead arrays. The association of protein levels and clinical covariates with rKOA incidence was assessed by combining logistic regression analysis, Receiver Operating Characteristic (ROC) analysis, Integrated Discrimination Improvement (IDI) analysis and Kaplan-Meier curves. RESULTS Levels of ITIH1, C3 and S100A6 were significantly associated with the prospective development of rKOA, showing an area under the curve (AUC) of 0.713 (0.624-0.802), 0.708 (0.618-0.799) and 0.654 (0.559-0.749), respectively to predict rKOA in the replication cohort. The inclusion of ITIH1 in the clinical model (age, gender, BMI, previous knee injury and WOMAC pain) improved the predictive capacity of the clinical covariates (AUC = 0.754 [0.670-0.838]) producing the model with the highest AUC (0.786 [0.705-0.867]) and the highest IDI index (9%). High levels of ITIH1 were also associated with an earlier onset of the disease. CONCLUSION A clinical model including protein biomarkers that predicts incident rKOA has been developed. Among the tested biomarkers, ITIH1 showed potential to improve the capacity to predict rKOA incidence in clinical practice.
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Affiliation(s)
- L Lourido
- Grupo de Investigación de Reumatología (GIR), Instituto de Investigación Biomédica de A Coruña (INIBIC), Complexo Hospitalario Universitario de A Coruña (CHUAC), Sergas, Universidade da Coruña (UDC), As Xubias de Arriba 84, 15006, A Coruña, Spain
| | - V Balboa-Barreiro
- Universidade da Coruña (UDC), Grupo de Investigación de Reumatología y Salud (GIR-S), Departamento de Fisioterapia, Medicina y Ciencias Biomédicas, Facultad de Fisioterapia, Campus de Oza, 15008, A Coruña, Spain
| | - C Ruiz-Romero
- Grupo de Investigación de Reumatología (GIR), Instituto de Investigación Biomédica de A Coruña (INIBIC), Complexo Hospitalario Universitario de A Coruña (CHUAC), Sergas, Universidade da Coruña (UDC), As Xubias de Arriba 84, 15006, A Coruña, Spain; Centro de Investigación Biomédica en Red de Bioingeniería, Biomateriales y Nanomedicina (CIBER-BBN), Av. Monforte de Lemos, 3-5. Pabellón 11, 28029, Madrid, Spain
| | - I Rego-Pérez
- Grupo de Investigación de Reumatología (GIR), Instituto de Investigación Biomédica de A Coruña (INIBIC), Complexo Hospitalario Universitario de A Coruña (CHUAC), Sergas, Universidade da Coruña (UDC), As Xubias de Arriba 84, 15006, A Coruña, Spain
| | - M Camacho-Encina
- Grupo de Investigación de Reumatología (GIR), Instituto de Investigación Biomédica de A Coruña (INIBIC), Complexo Hospitalario Universitario de A Coruña (CHUAC), Sergas, Universidade da Coruña (UDC), As Xubias de Arriba 84, 15006, A Coruña, Spain
| | - R Paz-González
- Grupo de Investigación de Reumatología (GIR), Instituto de Investigación Biomédica de A Coruña (INIBIC), Complexo Hospitalario Universitario de A Coruña (CHUAC), Sergas, Universidade da Coruña (UDC), As Xubias de Arriba 84, 15006, A Coruña, Spain
| | - V Calamia
- Grupo de Investigación de Reumatología (GIR), Instituto de Investigación Biomédica de A Coruña (INIBIC), Complexo Hospitalario Universitario de A Coruña (CHUAC), Sergas, Universidade da Coruña (UDC), As Xubias de Arriba 84, 15006, A Coruña, Spain
| | - N Oreiro
- Grupo de Investigación de Reumatología (GIR), Instituto de Investigación Biomédica de A Coruña (INIBIC), Complexo Hospitalario Universitario de A Coruña (CHUAC), Sergas, Universidade da Coruña (UDC), As Xubias de Arriba 84, 15006, A Coruña, Spain
| | - P Nilsson
- Division of Affinity Proteomics, Department of Protein Science, KTH Royal Institute of Technology, SciLifeLab, SE-100 44 Stockholm, Sweden
| | - F J Blanco
- Grupo de Investigación de Reumatología (GIR), Instituto de Investigación Biomédica de A Coruña (INIBIC), Complexo Hospitalario Universitario de A Coruña (CHUAC), Sergas, Universidade da Coruña (UDC), As Xubias de Arriba 84, 15006, A Coruña, Spain; Universidade da Coruña (UDC), Grupo de Investigación de Reumatología y Salud (GIR-S), Departamento de Fisioterapia, Medicina y Ciencias Biomédicas, Facultad de Fisioterapia, Campus de Oza, 15008, A Coruña, Spain.
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13
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Zhang G, He Y, Liu Y, Du Y, Yang C, Gao F. Reduced hyaluronan cross-linking induces breast cancer malignancy in a CAF-dependent manner. Cell Death Dis 2021; 12:586. [PMID: 34099638 PMCID: PMC8184848 DOI: 10.1038/s41419-021-03875-6] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2020] [Revised: 05/23/2021] [Accepted: 05/25/2021] [Indexed: 12/29/2022]
Abstract
Hyaluronan (HA) cross-linking is a conformational state of HA, a covalent complex between HA and heavy chains (HCs) from inter-α-trypsin inhibitor (I-α-I) mediated by tumor necrosis factor-induced protein 6 (TSG6). Cross-linked HA has been identified as a protective factor in physiological and inflammatory conditions. However, the state of HA cross-linking in tumor microenvironment has not been fully elucidated. As a major constituent of the extracellular matrix (ECM), HA is mainly synthesized by cancer-associated fibroblasts (CAFs). Our study aimed to clarify the role of HA cross-linking in breast cancer malignancy. Compared to normal mammary gland tissues, cross-linked HA levels were significantly decreased in breast cancer and associated with tumor malignancy. When NFbs were activated into CAFs, the levels of cross-linked HA and TSG6 were both suppressed. Through upregulating TSG6, CAFs restored the high level of cross-linked HA and significantly inhibited breast cancer malignancy, whereas NFbs promoted the malignancy when the cross-linked HA level was reduced. Furthermore, the inhibitory role of HA cross-linking in tumor malignancy was directly verified using the synthesized HA-HC complex. Collectively, our study found that the deficiency of cross-linked HA induced breast cancer malignancy in a CAF-dependent manner, suggesting that recovering HA cross-linking may be a potential therapeutic strategy.
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Affiliation(s)
- Guoliang Zhang
- Department of Molecular Biology, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, 600 Yishan Road, 200233, Shanghai, China.,Department of Clinical Laboratory, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, 600 Yishan Road, 200233, Shanghai, China
| | - Yiqing He
- Department of Molecular Biology, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, 600 Yishan Road, 200233, Shanghai, China
| | - Yiwen Liu
- Department of Molecular Biology, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, 600 Yishan Road, 200233, Shanghai, China
| | - Yan Du
- Department of Molecular Biology, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, 600 Yishan Road, 200233, Shanghai, China
| | - Cuixia Yang
- Department of Molecular Biology, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, 600 Yishan Road, 200233, Shanghai, China. .,Department of Clinical Laboratory, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, 600 Yishan Road, 200233, Shanghai, China.
| | - Feng Gao
- Department of Molecular Biology, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, 600 Yishan Road, 200233, Shanghai, China. .,Department of Clinical Laboratory, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, 600 Yishan Road, 200233, Shanghai, China.
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14
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Revercomb L, Hanmandlu A, Wareing N, Akkanti B, Karmouty-Quintana H. Mechanisms of Pulmonary Hypertension in Acute Respiratory Distress Syndrome (ARDS). Front Mol Biosci 2021; 7:624093. [PMID: 33537342 PMCID: PMC7848216 DOI: 10.3389/fmolb.2020.624093] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2020] [Accepted: 12/09/2020] [Indexed: 12/19/2022] Open
Abstract
Background: Acute respiratory distress syndrome (ARDS) is a severe and often fatal disease. The causes that lead to ARDS are multiple and include inhalation of salt water, smoke particles, or as a result of damage caused by respiratory viruses. ARDS can also arise due to systemic complications such as blood transfusions, sepsis, or pancreatitis. Unfortunately, despite a high mortality rate of 40%, there are limited treatment options available for ARDS outside of last resort options such as mechanical ventilation and extracorporeal support strategies. Aim of review: A complication of ARDS is the development of pulmonary hypertension (PH); however, the mechanisms that lead to PH in ARDS are not fully understood. In this review, we summarize the known mechanisms that promote PH in ARDS. Key scientific concepts of review: (1) Provide an overview of acute respiratory distress syndrome; (2) delineate the mechanisms that contribute to the development of PH in ARDS; (3) address the implications of PH in the setting of coronavirus disease 2019 (COVID-19).
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Affiliation(s)
- Lucy Revercomb
- Department of BioSciences, Rice University, Houston, TX, United States
- Department of Biochemistry and Molecular Biology, McGovern Medical School, University of Texas Health Science Center at Houston, Houston, TX, United States
| | - Ankit Hanmandlu
- Department of Biochemistry and Molecular Biology, McGovern Medical School, University of Texas Health Science Center at Houston, Houston, TX, United States
| | - Nancy Wareing
- Department of Biochemistry and Molecular Biology, McGovern Medical School, University of Texas Health Science Center at Houston, Houston, TX, United States
| | - Bindu Akkanti
- Divisions of Critical Care, Pulmonary and Sleep Medicine, McGovern Medical School, University of Texas Health Science Center at Houston, Houston, TX, United States
| | - Harry Karmouty-Quintana
- Department of Biochemistry and Molecular Biology, McGovern Medical School, University of Texas Health Science Center at Houston, Houston, TX, United States
- Divisions of Critical Care, Pulmonary and Sleep Medicine, McGovern Medical School, University of Texas Health Science Center at Houston, Houston, TX, United States
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15
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Tseng V, Ni K, Allawzi A, Prohaska C, Hernandez-Lagunas L, Elajaili H, Cali V, Midura R, Hascall V, Triggs-Raine B, Petrache I, Hart CM, Nozik-Grayck E. Extracellular Superoxide Dismutase Regulates Early Vascular Hyaluronan Remodeling in Hypoxic Pulmonary Hypertension. Sci Rep 2020; 10:280. [PMID: 31937874 PMCID: PMC6959284 DOI: 10.1038/s41598-019-57147-7] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2019] [Accepted: 12/23/2019] [Indexed: 11/29/2022] Open
Abstract
Chronic hypoxia leads to pathologic remodeling of the pulmonary vasculature and pulmonary hypertension (PH). The antioxidant enzyme extracellular superoxide dismutase (SOD3) protects against hypoxia-induced PH. Hyaluronan (HA), a ubiquitous glycosaminoglycan of the lung extracellular matrix, is rapidly recycled at sites of vessel injury and repair. We investigated the hypothesis that SOD3 preserves HA homeostasis by inhibiting oxidative and enzymatic hyaluronidase-mediated HA breakdown. In SOD3-deficient mice, hypoxia increased lung hyaluronidase expression and activity, hyaluronan fragmentation, and effacement of HA from the vessel wall of small pulmonary arteries. Hyaluronan fragmentation corresponded to hypoxic induction of the cell surface hyaluronidase-2 (Hyal2), which was localized in the vascular media. Human pulmonary artery smooth muscle cells (HPASMCs) demonstrated hypoxic induction of Hyal2 and SOD-suppressible hyaluronidase activity, congruent to our observations in vivo. Fragmentation of homeostatic high molecular weight HA promoted HPASMC proliferation in vitro, whereas pharmacologic inhibition of hyaluronidase activity prevented hypoxia- and oxidant-induced proliferation. Hypoxia initiates SOD3-dependent alterations in the structure and regulation of hyaluronan in the pulmonary vascular extracellular matrix. These changes occurred soon after hypoxia exposure, prior to appearance of PH, and may contribute to the early pathogenesis of this disease.
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Affiliation(s)
- Victor Tseng
- Emory University Department of Medicine, Atlanta, GA, USA
| | - Kevin Ni
- Indiana University School of Medicine, Indianapolis, IN, USA
| | - Ayed Allawzi
- Cardiovascular and Pulmonary Research, University of Colorado Anschutz Medical Campus, Aurora, CO, USA
| | - Clare Prohaska
- Indiana University School of Medicine, Indianapolis, IN, USA
| | - Laura Hernandez-Lagunas
- Cardiovascular and Pulmonary Research, University of Colorado Anschutz Medical Campus, Aurora, CO, USA
| | - Hanan Elajaili
- Cardiovascular and Pulmonary Research, University of Colorado Anschutz Medical Campus, Aurora, CO, USA
| | - Valbona Cali
- Lerner Research Institute, Cleveland Clinic, Cleveland, OH, USA
| | - Ronald Midura
- Lerner Research Institute, Cleveland Clinic, Cleveland, OH, USA
| | - Vincent Hascall
- Lerner Research Institute, Cleveland Clinic, Cleveland, OH, USA
| | - Barbara Triggs-Raine
- Department of Biochemistry and Medical Genetics, University of Manitoba, Winnipeg, MB, Canada
| | - Irina Petrache
- Department of Medicine, National Jewish Health, Denver, CO, USA
| | - C Michael Hart
- Emory University Department of Medicine, Atlanta, GA, USA
| | - Eva Nozik-Grayck
- Department of Pediatrics, University of Colorado Anschutz Medical Campus, Aurora, CO, USA.
- Cardiovascular and Pulmonary Research, University of Colorado Anschutz Medical Campus, Aurora, CO, USA.
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Avenoso A, Bruschetta G, D Ascola A, Scuruchi M, Mandraffino G, Saitta A, Campo S, Campo GM. Hyaluronan Fragmentation During Inflammatory Pathologies: A Signal that Empowers Tissue Damage. Mini Rev Med Chem 2020; 20:54-65. [PMID: 31490750 DOI: 10.2174/1389557519666190906115619] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2019] [Revised: 08/08/2019] [Accepted: 08/21/2019] [Indexed: 02/06/2023]
Abstract
The mechanisms that modulate the response to tissue injury are not fully understood. Abnormalities in the repair response are associated with a variety of chronic disease states characterized by inflammation, followed subsequently by excessive ECM deposition. As cell-matrix interactions are able to regulate cellular homeostasis, modification of ECM integrity appears to be an unspecific factor in promoting the onset and progression of inflammatory diseases. Evidence is emerging to show that endogenous ECM molecules supply signals to damage tissues and cells in order to promote further ECM degradation and inflammation progression. Several investigations have been confirmed that HA fragments of different molecular sizes exhibit different biological effects and responses. In fact, the increased deposition of HA into the ECM is a strong hallmark of inflammation processes. In the context of inflammatory pathologies, highly polymerized HA is broken down into small components, which are able to exacerbate the inflammatory response by inducing the release of various detrimental mediators such as reactive oxygen species, cytokines, chemokines and destructive enzymes and by facilitating the recruitment of leukocytes. However, strategies involving the modulation of the HA fragment with specific receptors on cell surface could represent different promising effects for therapeutic scope. This review will focus on the inflammation action of small HA fragments in recent years obtained by in vivo reports.
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Affiliation(s)
- Angela Avenoso
- Department of Biomedical and Dental Sciences and Morphofunctional Images, Policlinico Universitario, University of Messina, 98125 - Messina, Italy
| | - Giuseppe Bruschetta
- Department of Veterinary Sciences, University of Messina, Polo Universitario dell'Annunziata, 98168 Messina, Italy
| | - Angela D Ascola
- Department of Clinical and Experimental Medicine, University of Messina, Policlinico Universitario, 98125 - Messina, Italy
| | - Michele Scuruchi
- Department of Clinical and Experimental Medicine, University of Messina, Policlinico Universitario, 98125 - Messina, Italy
| | - Giuseppe Mandraffino
- Department of Clinical and Experimental Medicine, University of Messina, Policlinico Universitario, 98125 - Messina, Italy
| | - Antonino Saitta
- Department of Clinical and Experimental Medicine, University of Messina, Policlinico Universitario, 98125 - Messina, Italy
| | - Salvatore Campo
- Department of Biomedical and Dental Sciences and Morphofunctional Images, Policlinico Universitario, University of Messina, 98125 - Messina, Italy
| | - Giuseppe M Campo
- Department of Clinical and Experimental Medicine, University of Messina, Policlinico Universitario, 98125 - Messina, Italy
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17
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Inter-α-inhibitor Ameliorates Endothelial Inflammation in Sepsis. Lung 2019; 197:361-369. [PMID: 31028466 DOI: 10.1007/s00408-019-00228-1] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2019] [Accepted: 04/12/2019] [Indexed: 10/26/2022]
Abstract
PURPOSE Vascular endothelial cells demonstrate severe injury in sepsis, and a reduction in endothelial inflammation would be beneficial. Inter-α-Inhibitor (IαI) is a family of abundant plasma proteins with anti-inflammatory properties and has been investigated in human and animal sepsis with encouraging results. We hypothesized that IαI may protect endothelia from sepsis-related inflammation. METHODS IαI-deficient or sufficient mice were treated with endotoxin or underwent complement-induced lung injury. VCAM-1 and ICAM-1 expression was measured in blood and lung as marker of endothelial activation. Human endothelia were exposed to activated complement C5a with or without IαI. Blood from human sepsis patients was examined for VCAM-1 and ICAM-1 and levels were correlated with blood levels of IαI. RESULTS IαI-deficient mice showed increased endothelial activation in endotoxin/sepsis- and complement-induced lung injury models. In vitro, levels of endothelial pro-inflammatory cytokines and cell growth factors induced by activated complement C5a were significantly decreased in the presence of IαI. This effect was associated with decreased ERK and NFκB activation. IαI levels were inversely associated with VCAM-1 and ICAM-1 levels in a human sepsis cohort. CONCLUSIONS IαI ameliorates endothelial inflammation and may be beneficial as a treatment of sepsis.
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Koike K, Beatman EL, Schweitzer KS, Justice MJ, Mikosz AM, Ni K, Clauss MA, Petrache I. Subcutaneous administration of neutralizing antibodies to endothelial monocyte-activating protein II attenuates cigarette smoke-induced lung injury in mice. Am J Physiol Lung Cell Mol Physiol 2019; 316:L558-L566. [PMID: 30628489 DOI: 10.1152/ajplung.00409.2018] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
Proapoptotic and monocyte chemotactic endothelial monocyte-activating protein 2 (EMAPII) is released extracellularly during cigarette smoke (CS) exposure. We have previously demonstrated that, when administered intratracheally during chronic CS exposures, neutralizing rat antibodies to EMAPII inhibited endothelial cell apoptosis and lung inflammation and reduced airspace enlargement in mice (DBA/2J strain). Here we report further preclinical evaluation of EMAPII targeting using rat anti-EMAPII antibodies via either nebulization or subcutaneous injection. Both treatment modalities efficiently ameliorated emphysema-like disease in two different strains of CS-exposed mice, DBA/2J and C57BL/6. Of relevance for clinical applicability, this treatment showed therapeutic and even curative potential when administered either during or following CS-induced emphysema development, respectively. In addition, a fully humanized neutralizing anti-EMAPII antibody administered subcutaneously to mice during CS exposure retained anti-apoptotic and anti-inflammatory effects similar to that of the parent rat antibody. Furthermore, humanized anti-EMAPII antibody treatment attenuated CS-induced autophagy and restored mammalian target of rapamycin signaling in the lungs of mice, despite ongoing CS exposure. Together, our results demonstrate that EMAPII secretion is involved in CS-induced lung inflammation and cell injury, including apoptosis and autophagy, and that a humanized EMAPII neutralizing antibody may have therapeutic potential in emphysema.
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Affiliation(s)
- Kengo Koike
- Division of Pulmonary, Critical Care, and Sleep Medicine, National Jewish Health , Denver, Colorado
| | - Erica L Beatman
- Division of Pulmonary, Critical Care, and Sleep Medicine, National Jewish Health , Denver, Colorado
| | - Kelly S Schweitzer
- Division of Pulmonary, Critical Care, and Sleep Medicine, National Jewish Health , Denver, Colorado
| | - Matthew J Justice
- Division of Pulmonary, Critical Care, and Sleep Medicine, National Jewish Health , Denver, Colorado
| | - Andrew M Mikosz
- Division of Pulmonary, Critical Care, and Sleep Medicine, National Jewish Health , Denver, Colorado
| | - Kevin Ni
- Division of Pulmonary, Critical Care, and Sleep Medicine, National Jewish Health , Denver, Colorado
| | - Matthias A Clauss
- Indiana Center for Vascular Biology and Medicine and Department of Cellular and Integrative Physiology, Indiana University , Indianapolis, Indiana
| | - Irina Petrache
- Division of Pulmonary, Critical Care, and Sleep Medicine, National Jewish Health , Denver, Colorado.,Department of Medicine, University of Colorado Anschutz Medical Campus , Aurora, Colorado
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19
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Ni K, Gill A, Cao D, Koike K, Schweitzer KS, Garantziotis S, Petrache I. Intravascular heavy chain-modification of hyaluronan during endotoxic shock. Biochem Biophys Rep 2018; 17:114-121. [PMID: 30623115 PMCID: PMC6307094 DOI: 10.1016/j.bbrep.2018.12.007] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2018] [Revised: 12/11/2018] [Accepted: 12/16/2018] [Indexed: 12/11/2022] Open
Abstract
During inflammation, the covalent linking of the ubiquitous extracellular polysaccharide hyaluronan (HA) with the heavy chains (HC) of the serum protein inter alpha inhibitor (IαI) is exclusively mediated by the enzyme tumor necrosis factor α (TNFα)-stimulated-gene-6 (TSG-6). While significant advances have been made regarding how HC-modified HA (HC-HA) is an important regulator of inflammation, it remains unclear why HC-HA plays a critical role in promoting survival in intraperitoneal lipopolysaccharide (LPS)-induced endotoxemia while exerting only a modest role in the outcomes following intratracheal exposure to LPS. To address this gap, the two models of intraperitoneal LPS-induced endotoxic shock and intratracheal LPS-induced acute lung injury were directly compared in TSG-6 knockout mice and littermate controls. HC-HA formation, endogenous TSG-6 activity, and inflammatory markers were assessed in plasma and lung tissue. TSG-6 knockout mice exhibited accelerated mortality during endotoxic shock. While both intraperitoneal and intratracheal LPS induced HC-HA formation in lung parenchyma, only systemically-induced endotoxemia increased plasma TSG-6 levels and intravascular HC-HA formation. Cultured human lung microvascular endothelial cells secreted TSG-6 in response to both TNFα and IL1β stimulation, indicating that, in addition to inflammatory cells, the endothelium may secrete TSG-6 into circulation during systemic inflammation. These data show for the first time that LPS-induced systemic inflammation is uniquely characterized by significant vascular induction of TSG-6 and HC-HA, which may contribute to improved outcomes of endotoxemia. HC-HA deficiency accelerated mortality after IP LPS, but only modestly affected IT LPS outcomes. Both intratracheal (IT) and intraperitoneal (IP) LPS triggered lung HC-HA formation. IP LPS, but not IT LPS instillation induced intravascular TSG-6 and HC-HA. Intravascular HC-HA formation may be protective against LPS-induced injury.
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Key Words
- ALI, acute lung injury
- AM, alveolar macrophage
- CXCL2, chemokine (C-X-C motif) ligand 2
- ECM, Extracellular matrix
- Endotoxic shock
- HA, hyaluronic acid (hyaluronan)
- HC, heavy chain (IαI)
- Hyaluronic acid
- Inter-alpha-inhibitor
- IαI, inter-alpha-inhibitor
- LPS, lipopolysaccharide
- Mega-Da, megaDalton
- PαI, Pre-α-inhibitor
- Serum-derived hyaluronan-associated protein
- TBW, total body weight
- TNFα stimulated gene 6
- TNFα, tumor necrosis factor α;
- TSG-6, TNFα-stimulated gene-6
- hAM, human alveolar macrophages
- hTSG-6, human TSG-6
- kDa, kiloDalton
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Affiliation(s)
- Kevin Ni
- Department of Medicine, National Jewish Health, 1400 Jackson Street, Denver, CO 80206, USA.,Department of Biochemistry and Molecular Biology, Indiana University School of Medicine, Indianapolis, IN 46202, USA
| | - Amar Gill
- Department of Medicine, National Jewish Health, 1400 Jackson Street, Denver, CO 80206, USA
| | - Danting Cao
- Department of Medicine, National Jewish Health, 1400 Jackson Street, Denver, CO 80206, USA
| | - Kengo Koike
- Department of Medicine, National Jewish Health, 1400 Jackson Street, Denver, CO 80206, USA
| | - Kelly S Schweitzer
- Department of Medicine, National Jewish Health, 1400 Jackson Street, Denver, CO 80206, USA
| | | | - Irina Petrache
- Department of Medicine, National Jewish Health, 1400 Jackson Street, Denver, CO 80206, USA.,Department of Biochemistry and Molecular Biology, Indiana University School of Medicine, Indianapolis, IN 46202, USA.,Department of Medicine, University of Colorado School of Medicine, Aurora, CO 80045, USA
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