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Ricard-Blum S, Vivès RR, Schaefer L, Götte M, Merline R, Passi A, Heldin P, Magalhães A, Reis CA, Skandalis SS, Karamanos NK, Perez S, Nikitovic D. A biological guide to glycosaminoglycans: current perspectives and pending questions. FEBS J 2024; 291:3331-3366. [PMID: 38500384 DOI: 10.1111/febs.17107] [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: 10/10/2023] [Revised: 01/08/2024] [Accepted: 02/20/2024] [Indexed: 03/20/2024]
Abstract
Mammalian glycosaminoglycans (GAGs), except hyaluronan (HA), are sulfated polysaccharides that are covalently attached to core proteins to form proteoglycans (PGs). This article summarizes key biological findings for the most widespread GAGs, namely HA, chondroitin sulfate/dermatan sulfate (CS/DS), keratan sulfate (KS), and heparan sulfate (HS). It focuses on the major processes that remain to be deciphered to get a comprehensive view of the mechanisms mediating GAG biological functions. They include the regulation of GAG biosynthesis and postsynthetic modifications in heparin (HP) and HS, the composition, heterogeneity, and function of the tetrasaccharide linkage region and its role in disease, the functional characterization of the new PGs recently identified by glycoproteomics, the selectivity of interactions mediated by GAG chains, the display of GAG chains and PGs at the cell surface and their impact on the availability and activity of soluble ligands, and on their move through the glycocalyx layer to reach their receptors, the human GAG profile in health and disease, the roles of GAGs and particular PGs (syndecans, decorin, and biglycan) involved in cancer, inflammation, and fibrosis, the possible use of GAGs and PGs as disease biomarkers, and the design of inhibitors targeting GAG biosynthetic enzymes and GAG-protein interactions to develop novel therapeutic approaches.
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Affiliation(s)
- Sylvie Ricard-Blum
- Univ Lyon 1, ICBMS, UMR 5246 University Lyon 1 - CNRS, Villeurbanne cedex, France
| | | | - Liliana Schaefer
- Institute of Pharmacology and Toxicology, Goethe University, Frankfurt, Germany
| | - Martin Götte
- Department of Gynecology and Obstetrics, Münster University Hospital, Germany
| | - Rosetta Merline
- Institute of Pharmacology and Toxicology, Goethe University, Frankfurt, Germany
| | | | - Paraskevi Heldin
- Department of Medical Biochemistry and Microbiology, Uppsala University, Sweden
| | - Ana Magalhães
- Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Portugal
- ICBAS - Instituto de Ciências Biomédicas Abel Salazar, Universidade do Porto, Portugal
| | - Celso A Reis
- Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Portugal
- ICBAS - Instituto de Ciências Biomédicas Abel Salazar, Universidade do Porto, Portugal
| | - Spyros S Skandalis
- Biochemistry, Biochemical Analysis & Matrix Pathobiology Res. Group, Laboratory of Biochemistry, Department of Chemistry, University of Patras, Greece
| | - Nikos K Karamanos
- Biochemistry, Biochemical Analysis & Matrix Pathobiology Res. Group, Laboratory of Biochemistry, Department of Chemistry, University of Patras, Greece
| | - Serge Perez
- Centre de Recherche sur les Macromolécules Végétales, University of Grenoble-Alpes, CNRS, France
| | - Dragana Nikitovic
- Laboratory of Histology-Embryology, School of Medicine, University of Crete, Heraklion, Greece
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Feng Z, Chan YT, Lu Y, Wu J, Xing T, Yuan H, Feng Y, Wang N. Siwu decoction suppress myeloid-derived suppressor cells through tumour cells necroptosis to inhibit hepatocellular carcinoma. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2024; 133:155913. [PMID: 39084183 DOI: 10.1016/j.phymed.2024.155913] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/10/2023] [Revised: 03/08/2024] [Accepted: 07/24/2024] [Indexed: 08/02/2024]
Abstract
BACKGROUND Human hepatocellular carcinoma (HCC) acquired resistance to anti-cancer agents due to the presence of immunosuppressive tumour microenvironment (TME) established by the interaction between tumour cells and immune populations. New treatment targeting the interaction is urgently needed and clinically beneficial to patients with HCC. This study aims to explore the anti-tumour effect of a Traditional Chinese Medicine formula Siwu Decoction (SWD) and its potential mechanism. MATERIALS AND METHODS The chemical profile of SWD was determined by high-performance liquid chromatography coupled with mass spectrometry. In vitro and in vivo effects of SWD in regressing HCC were assessed. The role of myeloid-derived suppressor cells (MDSCs) in mediating SWD-induced HCC inhibition was determined by adoptive transfer assay. The regulation of SWD-induced interaction between HCC cells and MDSCs was also confirmed both in vitro and in vivo. RESULTS SWD dose-dependent inhibited the HCC growth and lung metastasis in an orthotopic growth tumour in mice, without significant toxicity and adverse side effect. SWD induced necroptosis in HCC cells, but did not directly inhibit in vitro culture of MDSCs, instead, SWD-treated HCC cell culture supernatant suppressed MDSCs by inducing its cell apoptosis. The necroptotic response of HCC cells can also suppress the MDSCs population in the TME without reducing circulating MDSCs infiltration into the tumours. Adoptive transfer of MDSCs recovered tumour growth and lung metastasis of HCC in SWD-treated mice. In HCC cells, SWD induced a necroptotic response, and blockade of necroptotic response in HCC cells recovered the MDSCs population in vitro and in vivo, and restored tumour growth and lung metastasis in SWD-treated mice. A combination of SWD improves the anti-HCC efficacy of sorafenib without inducing adverse side effects. Albiflorin, the effective compound of SWD, its anti-HCC manner has been verified to be consistent with that of SWD. CONCLUSION Our study observed for the first time that SWD can suppress HCC by regulating MDSCs through necroptosis of tumour cells in the TME. The main effective compound of SWD, albiflorin can be a potential adjuvant therapy in the clinical management of human HCC.
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Affiliation(s)
- Zixin Feng
- School of Chinese Medicine, the University of Hong Kong, Academic Building at No. 3 Sassoon Road, Pokfulam, Hong Kong S.A.R., China
| | - Yau-Tuen Chan
- School of Chinese Medicine, the University of Hong Kong, Academic Building at No. 3 Sassoon Road, Pokfulam, Hong Kong S.A.R., China
| | - Yuanjun Lu
- School of Chinese Medicine, the University of Hong Kong, Academic Building at No. 3 Sassoon Road, Pokfulam, Hong Kong S.A.R., China
| | - Junyu Wu
- School of Chinese Medicine, the University of Hong Kong, Academic Building at No. 3 Sassoon Road, Pokfulam, Hong Kong S.A.R., China
| | - Tingyuan Xing
- School of Chinese Medicine, the University of Hong Kong, Academic Building at No. 3 Sassoon Road, Pokfulam, Hong Kong S.A.R., China
| | - Hongchao Yuan
- School of Chinese Medicine, the University of Hong Kong, Academic Building at No. 3 Sassoon Road, Pokfulam, Hong Kong S.A.R., China
| | - Yibin Feng
- School of Chinese Medicine, the University of Hong Kong, Academic Building at No. 3 Sassoon Road, Pokfulam, Hong Kong S.A.R., China
| | - Ning Wang
- School of Chinese Medicine, the University of Hong Kong, Academic Building at No. 3 Sassoon Road, Pokfulam, Hong Kong S.A.R., China.
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Becchimanzi A, Cacace A, Parziale M, De Leva G, Iacopino S, Jesu G, Di Lelio I, Stillittano V, Caprio E, Pennacchio F. The salivary gland transcriptome of Varroa destructor reveals suitable targets for RNAi-based mite control. INSECT MOLECULAR BIOLOGY 2024. [PMID: 39039817 DOI: 10.1111/imb.12945] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/30/2024] [Accepted: 07/05/2024] [Indexed: 07/24/2024]
Abstract
The mite Varroa destructor Anderson and Trueman (Mesostigmata: Varroidae) has a dramatic impact on beekeeping and is one of the main causes of honey bee colony losses. This ectoparasite feeds on honey bees' liquid tissues, through a wound created on the host integument, determining weight loss and a reduction of lifespan, as well as the transmission of viral pathogens. However, despite its importance, the mite feeding strategy and the host regulation role by the salivary secretions have been poorly explored. Here, we contribute to fill this gap by identifying the salivary components of V. destructor, to study their functional importance for mite feeding and survival. The differential expression analysis identified 30 salivary gland genes encoding putatively secreted proteins, among which only 15 were found to be functionally annotated. These latter include proteins with putative anti-bacterial, anti-fungal, cytolytic, digestive and immunosuppressive function. The three most highly transcribed genes, coding for a chitin-binding domain protein, a Kazal domain serine protease inhibitor and a papain-like cysteine protease were selected to study their functional importance by reverse genetics. Knockdown (90%-99%) by RNA interference (RNAi) of the transcript of a chitin-binding domain protein, likely interfering with the immune reaction to facilitate mite feeding, was associated with a 40%-50% decrease of mite survival. This work expands our knowledge of the host regulation and nutritional exploitation strategies adopted by ectoparasites of arthropods and allows the identification of potential targets for RNAi, paving the way towards the development of new strategies for Varroa mite control.
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Affiliation(s)
- Andrea Becchimanzi
- Department of Agricultural Sciences, University of Naples 'Federico II', Naples, Italy
- BAT Center-Interuniversity Center for Studies on Bioinspired Agro-Environmental Technology, University of Naples 'Federico II', Naples, Italy
| | - Alfonso Cacace
- Department of Agricultural Sciences, University of Naples 'Federico II', Naples, Italy
| | - Martina Parziale
- Department of Agricultural Sciences, University of Naples 'Federico II', Naples, Italy
- Arterra Bioscience, Naples, Italy
| | - Giovanna De Leva
- Department of Agricultural Sciences, University of Naples 'Federico II', Naples, Italy
| | | | - Giovanni Jesu
- Department of Agricultural Sciences, University of Naples 'Federico II', Naples, Italy
| | - Ilaria Di Lelio
- Department of Agricultural Sciences, University of Naples 'Federico II', Naples, Italy
- BAT Center-Interuniversity Center for Studies on Bioinspired Agro-Environmental Technology, University of Naples 'Federico II', Naples, Italy
| | - Virgilio Stillittano
- Istituto Zooprofilattico Sperimentale del Lazio e della Toscana, Rome, Italy
- School of Specialization in Food Science, University of Rome Tor Vergata, Rome, Italy
| | - Emilio Caprio
- Department of Agricultural Sciences, University of Naples 'Federico II', Naples, Italy
| | - Francesco Pennacchio
- Department of Agricultural Sciences, University of Naples 'Federico II', Naples, Italy
- BAT Center-Interuniversity Center for Studies on Bioinspired Agro-Environmental Technology, University of Naples 'Federico II', Naples, Italy
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Dinice L, Esposito G, Cacciamani A, Balzamino BO, Cosimi P, Cafiero C, Ripandelli G, Micera A. TLR2 and TLR4 Are Expressed in Epiretinal Membranes: Possible Links with Vitreous Levels of Complement Fragments and DAMP-Related Proteins. Int J Mol Sci 2024; 25:7732. [PMID: 39062973 PMCID: PMC11276880 DOI: 10.3390/ijms25147732] [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: 05/24/2024] [Revised: 07/04/2024] [Accepted: 07/08/2024] [Indexed: 07/28/2024] Open
Abstract
Previous studies reported the expression of toll-like receptors (TLRs), merely TLR2 and TLR4, and complement fragments (C3a, C5b9) in vitreoretinal disorders. Other than pathogens, TLRs can recognize endogenous products of tissue remodeling as damage-associated molecular pattern (DAMPs). The aim of this study was to confirm the expression of TLR2 and TLR4 in the fibrocellular membranes and vitreal fluids (soluble TLRs) of patients suffering of epiretinal membranes (ERMs) and assess their association with disease severity, complement fragments and inflammatory profiles. Twenty (n = 20) ERMs and twelve (n = 12) vitreous samples were collected at the time of the vitrectomy. Different severity-staged ERMs were processed for: immunolocalization (IF), transcriptomic (RT-PCR) and proteomics (ELISA, IP/WB, Protein Chip Array) analysis. The investigation of targets included TLR2, TLR4, C3a, C5b9, a few selected inflammatory biomarkers (Eotaxin-2, Rantes, Vascular Endothelial Growth Factor (VEGFA), Vascular Endothelial Growth Factor receptor (VEGFR2), Interferon-γ (IFNγ), Interleukin (IL1β, IL12p40/p70)) and a restricted panel of matrix enzymes (Matrix metalloproteinases (MMPs)/Tissue Inhibitor of Metallo-Proteinases (TIMPs)). A reduced cellularity was observed as function of ERM severity. TLR2, TLR4 and myD88 transcripts/proteins were detected in membranes and decreased upon disease severity. The levels of soluble TLR2 and TLR4, as well as C3a, C5b9, Eotaxin-2, Rantes, VEGFA, VEGFR2, IFNγ, IL1β, IL12p40/p70, MMP7 and TIMP2 levels were changed in vitreal samples. Significant correlations were observed between TLRs and complement fragments and between TLRs and some inflammatory mediators. Our findings pointed at TLR2 and TLR4 over-expression at early stages of ERM formation, suggesting the participation of the local immune response in the severity of disease. These activations at the early-stage of ERM formation suggest a potential persistence of innate immune response in the early phases of fibrocellular membrane formation.
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Affiliation(s)
- Lucia Dinice
- Research and Development Laboratory for Biochemical, Molecular and Cellular Applications in Ophthalmological Science, IRCCS—Fondazione Bietti, 00184 Rome, Italy; (L.D.); (G.E.); (B.O.B.)
| | - Graziana Esposito
- Research and Development Laboratory for Biochemical, Molecular and Cellular Applications in Ophthalmological Science, IRCCS—Fondazione Bietti, 00184 Rome, Italy; (L.D.); (G.E.); (B.O.B.)
| | - Andrea Cacciamani
- Surgical Retina Research Unit, IRCCS—Fondazione Bietti, 00184 Rome, Italy; (A.C.); (P.C.); (G.R.)
| | - Bijorn Omar Balzamino
- Research and Development Laboratory for Biochemical, Molecular and Cellular Applications in Ophthalmological Science, IRCCS—Fondazione Bietti, 00184 Rome, Italy; (L.D.); (G.E.); (B.O.B.)
| | - Pamela Cosimi
- Surgical Retina Research Unit, IRCCS—Fondazione Bietti, 00184 Rome, Italy; (A.C.); (P.C.); (G.R.)
| | - Concetta Cafiero
- Anatomic Pathology Unit, Fabrizio Spaziani Hospital, 03100 Frosinone, Italy;
| | - Guido Ripandelli
- Surgical Retina Research Unit, IRCCS—Fondazione Bietti, 00184 Rome, Italy; (A.C.); (P.C.); (G.R.)
| | - Alessandra Micera
- Research and Development Laboratory for Biochemical, Molecular and Cellular Applications in Ophthalmological Science, IRCCS—Fondazione Bietti, 00184 Rome, Italy; (L.D.); (G.E.); (B.O.B.)
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Hilgendorf I, Frantz S, Frangogiannis NG. Repair of the Infarcted Heart: Cellular Effectors, Molecular Mechanisms and Therapeutic Opportunities. Circ Res 2024; 134:1718-1751. [PMID: 38843294 PMCID: PMC11164543 DOI: 10.1161/circresaha.124.323658] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/16/2024] [Accepted: 05/08/2024] [Indexed: 06/12/2024]
Abstract
The adult mammalian heart has limited endogenous regenerative capacity and heals through the activation of inflammatory and fibrogenic cascades that ultimately result in the formation of a scar. After infarction, massive cardiomyocyte death releases a broad range of damage-associated molecular patterns that initiate both myocardial and systemic inflammatory responses. TLRs (toll-like receptors) and NLRs (NOD-like receptors) recognize damage-associated molecular patterns (DAMPs) and transduce downstream proinflammatory signals, leading to upregulation of cytokines (such as interleukin-1, TNF-α [tumor necrosis factor-α], and interleukin-6) and chemokines (such as CCL2 [CC chemokine ligand 2]) and recruitment of neutrophils, monocytes, and lymphocytes. Expansion and diversification of cardiac macrophages in the infarcted heart play a major role in the clearance of the infarct from dead cells and the subsequent stimulation of reparative pathways. Efferocytosis triggers the induction and release of anti-inflammatory mediators that restrain the inflammatory reaction and set the stage for the activation of reparative fibroblasts and vascular cells. Growth factor-mediated pathways, neurohumoral cascades, and matricellular proteins deposited in the provisional matrix stimulate fibroblast activation and proliferation and myofibroblast conversion. Deposition of a well-organized collagen-based extracellular matrix network protects the heart from catastrophic rupture and attenuates ventricular dilation. Scar maturation requires stimulation of endogenous signals that inhibit fibroblast activity and prevent excessive fibrosis. Moreover, in the mature scar, infarct neovessels acquire a mural cell coat that contributes to the stabilization of the microvascular network. Excessive, prolonged, or dysregulated inflammatory or fibrogenic cascades accentuate adverse remodeling and dysfunction. Moreover, inflammatory leukocytes and fibroblasts can contribute to arrhythmogenesis. Inflammatory and fibrogenic pathways may be promising therapeutic targets to attenuate heart failure progression and inhibit arrhythmia generation in patients surviving myocardial infarction.
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Affiliation(s)
- Ingo Hilgendorf
- Department of Cardiology and Angiology, University Heart Center Freiburg-Bad Krozingen and Faculty of Medicine at the University of Freiburg, Freiburg, Germany
| | - Stefan Frantz
- Medizinische Klinik und Poliklinik I, Universitätsklinikum Würzburg, Würzburg, Germany
| | - Nikolaos G Frangogiannis
- The Wilf Family Cardiovascular Research Institute, Department of Medicine (Cardiology), Albert Einstein College of Medicine, Bronx NY
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Salminen A, Kaarniranta K, Kauppinen A. Tissue fibroblasts are versatile immune regulators: An evaluation of their impact on the aging process. Ageing Res Rev 2024; 97:102296. [PMID: 38588867 DOI: 10.1016/j.arr.2024.102296] [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: 12/18/2023] [Revised: 03/26/2024] [Accepted: 04/03/2024] [Indexed: 04/10/2024]
Abstract
Fibroblasts are abundant stromal cells which not only control the integrity of extracellular matrix (ECM) but also act as immune regulators. It is known that the structural cells within tissues can establish an organ-specific immunity expressing many immune-related genes and closely interact with immune cells. In fact, fibroblasts can modify their immune properties to display both pro-inflammatory and immunosuppressive activities in a context-dependent manner. After acute insults, fibroblasts promote tissue inflammation although they concurrently recruit immunosuppressive cells to enhance the resolution of inflammation. In chronic pathological states, tissue fibroblasts, especially senescent fibroblasts, can display many pro-inflammatory and immunosuppressive properties and stimulate the activities of different immunosuppressive cells. In return, immunosuppressive cells, such as M2 macrophages and myeloid-derived suppressor cells (MDSC), evoke an excessive conversion of fibroblasts into myofibroblasts, thus aggravating the severity of tissue fibrosis. Single-cell transcriptome studies on fibroblasts isolated from aged tissues have confirmed that tissue fibroblasts express many genes coding for cytokines, chemokines, and complement factors, whereas they lose some fibrogenic properties. The versatile immune properties of fibroblasts and their close cooperation with immune cells indicate that tissue fibroblasts have a crucial role in the aging process and age-related diseases.
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Affiliation(s)
- Antero Salminen
- Department of Neurology, Institute of Clinical Medicine, University of Eastern Finland, P.O. Box 1627, Kuopio FI-70211, Finland.
| | - Kai Kaarniranta
- Department of Ophthalmology, Institute of Clinical Medicine, University of Eastern Finland, P.O. Box 1627, Kuopio FI-70211, Finland; Department of Ophthalmology, Kuopio University Hospital, P.O. Box 100, KYS FI-70029, Finland
| | - Anu Kauppinen
- School of Pharmacy, Faculty of Health Sciences, University of Eastern Finland, P.O. Box 1627, Kuopio FI-70211, Finland
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Miller LR, Bickel MA, Vance ML, Vaden H, Nagykaldi D, Nyul-Toth A, Bullen EC, Gautam T, Tarantini S, Yabluchanskiy A, Kiss T, Ungvari Z, Conley SM. Vascular smooth muscle cell-specific Igf1r deficiency exacerbates the development of hypertension-induced cerebral microhemorrhages and gait defects. GeroScience 2024; 46:3481-3501. [PMID: 38388918 PMCID: PMC11009188 DOI: 10.1007/s11357-024-01090-7] [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: 12/05/2023] [Accepted: 02/03/2024] [Indexed: 02/24/2024] Open
Abstract
Cerebrovascular fragility and cerebral microhemorrhages (CMH) contribute to age-related cognitive impairment, mobility defects, and vascular cognitive impairment and dementia, impairing healthspan and reducing quality of life in the elderly. Insulin-like growth factor 1 (IGF-1) is a key vasoprotective growth factor that is reduced during aging. Circulating IGF-1 deficiency leads to the development of CMH and other signs of cerebrovascular dysfunction. Here our goal was to understand the contribution of IGF-1 signaling on vascular smooth muscle cells (VSMCs) to the development of CMH and associated gait defects. We used an inducible VSMC-specific promoter and an IGF-1 receptor (Igf1r) floxed mouse line (Myh11-CreERT2 Igf1rf/f) to knockdown Igf1r. Angiotensin II in combination with L-NAME-induced hypertension was used to elicit CMH. We observed that VSMC-specific Igf1r knockdown mice had accelerated development of CMH, and subsequent associated gait irregularities. These phenotypes were accompanied by upregulation of a cluster of pro-inflammatory genes associated with VSMC maladaptation. Collectively our findings support an essential role for VSMCs as a target for the vasoprotective effects of IGF-1, and suggest that VSMC dysfunction in aging may contribute to the development of CMH.
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Affiliation(s)
- Lauren R Miller
- Department of Cell Biology, University of Oklahoma Health Sciences Center, 940 Stanton L. Young Blvd, BMSB 553, Oklahoma City, OK, 73104, USA
- Currently at: Cardiovascular Biology Research Program, Oklahoma Medical Research Foundation, Oklahoma City, OK, 73104, USA
| | - Marisa A Bickel
- Department of Cell Biology, University of Oklahoma Health Sciences Center, 940 Stanton L. Young Blvd, BMSB 553, Oklahoma City, OK, 73104, USA
| | - Michaela L Vance
- Department of Cell Biology, University of Oklahoma Health Sciences Center, 940 Stanton L. Young Blvd, BMSB 553, Oklahoma City, OK, 73104, USA
| | - Hannah Vaden
- Department of Cell Biology, University of Oklahoma Health Sciences Center, 940 Stanton L. Young Blvd, BMSB 553, Oklahoma City, OK, 73104, USA
| | - Domonkos Nagykaldi
- Department of Cell Biology, University of Oklahoma Health Sciences Center, 940 Stanton L. Young Blvd, BMSB 553, Oklahoma City, OK, 73104, USA
| | - Adam Nyul-Toth
- Vascular Cognitive Impairment and Neurodegeneration Program, Oklahoma Center for Geroscience and Healthy Brain Aging, University of Oklahoma Health Sciences Center, Oklahoma City, OK, 73104, USA
- Department of Neurosurgery, University of Oklahoma Health Sciences Center, Oklahoma City, OK, 73104, USA
- International Training Program in Geroscience, Doctoral School of Basic and Translational Medicine/Department of Public Health, Semmelweis University, Budapest, Hungary
| | - Elizabeth C Bullen
- Department of Cell Biology, University of Oklahoma Health Sciences Center, 940 Stanton L. Young Blvd, BMSB 553, Oklahoma City, OK, 73104, USA
| | - Tripti Gautam
- Vascular Cognitive Impairment and Neurodegeneration Program, Oklahoma Center for Geroscience and Healthy Brain Aging, University of Oklahoma Health Sciences Center, Oklahoma City, OK, 73104, USA
- Department of Neurosurgery, University of Oklahoma Health Sciences Center, Oklahoma City, OK, 73104, USA
| | - Stefano Tarantini
- Vascular Cognitive Impairment and Neurodegeneration Program, Oklahoma Center for Geroscience and Healthy Brain Aging, University of Oklahoma Health Sciences Center, Oklahoma City, OK, 73104, USA
- Department of Neurosurgery, University of Oklahoma Health Sciences Center, Oklahoma City, OK, 73104, USA
- The Peggy and Charles Stephenson Cancer Center, University of Oklahoma Health Sciences Center, Oklahoma City, OK, USA
- Department of Health Promotion Sciences, College of Public Health, University of Oklahoma Health Sciences Center, Oklahoma City, OK, USA
| | - Andriy Yabluchanskiy
- Vascular Cognitive Impairment and Neurodegeneration Program, Oklahoma Center for Geroscience and Healthy Brain Aging, University of Oklahoma Health Sciences Center, Oklahoma City, OK, 73104, USA
- Department of Neurosurgery, University of Oklahoma Health Sciences Center, Oklahoma City, OK, 73104, USA
| | - Tamas Kiss
- Pediatric Center, Semmelweis University, Budapest, Hungary
- Eötvös Loránd Research Network and Semmelweis University Cerebrovascular and Neurocognitive Disorders Research Group, Budapest, Hungary
| | - Zoltan Ungvari
- Vascular Cognitive Impairment and Neurodegeneration Program, Oklahoma Center for Geroscience and Healthy Brain Aging, University of Oklahoma Health Sciences Center, Oklahoma City, OK, 73104, USA
- Department of Neurosurgery, University of Oklahoma Health Sciences Center, Oklahoma City, OK, 73104, USA
- International Training Program in Geroscience, Doctoral School of Basic and Translational Medicine/Department of Public Health, Semmelweis University, Budapest, Hungary
- The Peggy and Charles Stephenson Cancer Center, University of Oklahoma Health Sciences Center, Oklahoma City, OK, USA
| | - Shannon M Conley
- Department of Cell Biology, University of Oklahoma Health Sciences Center, 940 Stanton L. Young Blvd, BMSB 553, Oklahoma City, OK, 73104, USA.
- Vascular Cognitive Impairment and Neurodegeneration Program, Oklahoma Center for Geroscience and Healthy Brain Aging, University of Oklahoma Health Sciences Center, Oklahoma City, OK, 73104, USA.
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8
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Poynter ME, Mank MM, Ather JL. Obesity-associated inflammatory macrophage polarization is inhibited by capsaicin and phytolignans. Am J Physiol Regul Integr Comp Physiol 2024; 326:R370-R382. [PMID: 38436058 DOI: 10.1152/ajpregu.00161.2023] [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: 06/29/2023] [Revised: 02/25/2024] [Accepted: 02/25/2024] [Indexed: 03/05/2024]
Abstract
Obesity is often accompanied by increased adipose tissue inflammation, a process that is partially driven by adipose tissue-resident macrophages. In this study, we explored the potential for plant-derived dietary compounds to exert anti-inflammatory effects in macrophages that alleviate obesity-associated adipocyte dysfunction. Capsaicin (CAP), schisandrin A (SA), enterodiol (END), and enterolactone (ENL) treatment polarized J774 macrophages to an "M2" or anti-inflammatory phenotype and inhibited responses to stimulation with lipopolysaccharide (LPS). Furthermore, these compounds blocked inflammasome activation when administered just before ATP-induced NLRP3 activation, as evidenced by the abrogation of IL-1β release in mouse macrophages and human peripheral blood monocytes. The addition of CAP, SA, or ENL during the differentiation of bone marrow-derived macrophages was also sufficient to inhibit LPS-induced IL-6 and TNFα production. Finally, CAP, END, and ENL treatment during differentiation of 3T3-L1 adipocytes induced an adiponectin-high phenotype accompanied by increases in thermogenic gene expression, and conditioned media from these adipocytes inhibited LPS-induced production of IL-1β, IL-6, and TNFα from J774 macrophages. These polarizing effects were partially mediated by the elevated adiponectin and decreased syndecan-4 in the adipocyte-conditioned media. These results implicate the contribution of plant-derived dietary components to the modulation of macrophages and adipocytes in obesity.NEW & NOTEWORTHY The utility of food-based products to prevent or alleviate chronic conditions such as obesity and its associated comorbidities is an attractive approach. Capsaicin, schisandrin A, enterodiol, and enterolactone, phytochemicals present in traditional medicinal food, decreased proinflammatory cytokine production from macrophages that, in turn, reduced obesity-associated adipocyte dysfunction. These results implicate the contribution of plant-derived dietary components to the modulation of macrophages and adipocytes in obesity.
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Affiliation(s)
- Matthew E Poynter
- Department of Medicine, The University of Vermont, Burlington, Vermont, United States
- The Vermont Lung Center, The University of Vermont, Burlington, Vermont, United States
| | - Madeleine M Mank
- Department of Medicine, The University of Vermont, Burlington, Vermont, United States
- The Vermont Lung Center, The University of Vermont, Burlington, Vermont, United States
| | - Jennifer L Ather
- Department of Medicine, The University of Vermont, Burlington, Vermont, United States
- The Vermont Lung Center, The University of Vermont, Burlington, Vermont, United States
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Chang MY, Chan CK, Brune JE, Manicone AM, Bomsztyk K, Frevert CW, Altemeier WA. Regulation of Versican Expression in Macrophages is Mediated by Canonical Type I Interferon Signaling via ISGF3. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.03.14.585097. [PMID: 38559011 PMCID: PMC10980001 DOI: 10.1101/2024.03.14.585097] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/04/2024]
Abstract
Growing evidence supports a role for versican as an important component of the inflammatory response, with both pro- and anti-inflammatory roles depending on the specific context of the system or disease under investigation. Our goal is to understand the regulation of macrophage-derived versican and the role it plays in innate immunity. In previous work, we showed that LPS triggers a signaling cascade involving TLR4, the Trif adaptor, type I interferons, and the type I interferon receptor, leading to increased versican expression by macrophages. In the present study, we used a combination of chromatin immunoprecipitation, siRNA, chemical inhibitors, and mouse model approaches to investigate the regulatory events downstream of the type I interferon receptor to better define the mechanism controlling versican expression. Results indicate that transcriptional regulation by canonical type I interferon signaling via the heterotrimeric transcription factor, ISGF3, controls versican expression in macrophages exposed to LPS. This pathway is not dependent on MAPK signaling, which has been shown to regulate versican expression in other cell types. The stability of versican mRNA may also contribute to prolonged versican expression in macrophages. These findings strongly support a role for macrophage-derived versican as a type I interferon-stimulated gene and further our understanding of versican's role in regulating inflammation.
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Affiliation(s)
- Mary Y. Chang
- Department of Comparative Medicine, University of Washington, Seattle, WA
- Center for Lung Biology, University of Washington at South Lake Union, Seattle, WA
| | - Christina K. Chan
- Department of Comparative Medicine, University of Washington, Seattle, WA
- Center for Lung Biology, University of Washington at South Lake Union, Seattle, WA
| | - Jourdan E. Brune
- Department of Comparative Medicine, University of Washington, Seattle, WA
- Center for Lung Biology, University of Washington at South Lake Union, Seattle, WA
| | - Anne M. Manicone
- Center for Lung Biology, University of Washington at South Lake Union, Seattle, WA
- Division of Pulmonary, Critical Care and Sleep Medicine, Department of Medicine, University of Washington, Seattle, WA
| | - Karol Bomsztyk
- Division of Allergy and Infectious Diseases, Department of Medicine, University of Washington, Seattle, WA
| | - Charles W. Frevert
- Department of Comparative Medicine, University of Washington, Seattle, WA
- Center for Lung Biology, University of Washington at South Lake Union, Seattle, WA
- Division of Pulmonary, Critical Care and Sleep Medicine, Department of Medicine, University of Washington, Seattle, WA
| | - William A. Altemeier
- Center for Lung Biology, University of Washington at South Lake Union, Seattle, WA
- Division of Pulmonary, Critical Care and Sleep Medicine, Department of Medicine, University of Washington, Seattle, WA
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10
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Blackman SA, Miles D, Suresh J, Calve S, Bryant SJ. Cell- and Serum-Derived Proteins Act as DAMPs to Activate RAW 264.7 Macrophage-like Cells on Silicone Implants. ACS Biomater Sci Eng 2024; 10:1418-1434. [PMID: 38319825 DOI: 10.1021/acsbiomaterials.3c01393] [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] [Indexed: 02/08/2024]
Abstract
Protein adsorption after biomaterial implantation is the first stage of the foreign body response (FBR). However, the source(s) of the adsorbed proteins that lead to damaged associated molecular patterns (DAMPs) and induce inflammation have not been fully elucidated. This study examined the effects of different protein sources, cell-derived (from a NIH/3T3 fibroblast cell lysate) and serum-derived (from fetal bovine serum), which were compared to implant-derived proteins (after a 30 min subcutaneous implantation in mice) on activation of RAW 264.7 cells cultured in minimal (serum-free) medium. Both cell-derived and serum-derived protein sources when preadsorbed to either tissue culture polystyrene or medical-grade silicone induced RAW 264.7 cell activation. The combination led to an even higher expression of pro-inflammatory cytokine genes and proteins. Implant-derived proteins on silicone explants induced a rapid inflammatory response that then subsided more quickly and to a greater extent than the studies with in vitro cell-derived or serum-derived protein sources. Proteomic analysis of the implant-derived proteins identified proteins that included cell-derived and serum-derived, but also other proteinaceous sources (e.g., extracellular matrix), suggesting that the latter or nonproteinaceous sources may help to temper the inflammatory response in vivo. These findings indicate that both serum-derived and cell-derived proteins adsorbed to implants can act as DAMPs to drive inflammation in the FBR, but other protein sources may play an important role in controlling inflammation.
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Affiliation(s)
- Samuel A Blackman
- Department of Chemical and Biological Engineering, University of Colorado Boulder, 3415 Colorado Avenue, Boulder, Colorado 80309-0596, United States
| | - Dalton Miles
- Department of Chemical and Biological Engineering, University of Colorado Boulder, 3415 Colorado Avenue, Boulder, Colorado 80309-0596, United States
| | - Joshita Suresh
- Department of Chemical and Biological Engineering, University of Colorado Boulder, 3415 Colorado Avenue, Boulder, Colorado 80309-0596, United States
| | - Sarah Calve
- Paul M. Rady Department of Mechanical Engineering, University of Colorado Boulder, 1111 Engineering Drive, Boulder, Colorado 80309-0427, United States
- BioFrontiers Institute, University of Colorado Boulder, 3415 Colorado Avenue, Boulder, Colorado 80309-0596, United States
| | - Stephanie J Bryant
- Department of Chemical and Biological Engineering, University of Colorado Boulder, 3415 Colorado Avenue, Boulder, Colorado 80309-0596, United States
- BioFrontiers Institute, University of Colorado Boulder, 3415 Colorado Avenue, Boulder, Colorado 80309-0596, United States
- Materials Science and Engineering Program, University of Colorado Boulder, 4001 Discovery Drive, Boulder, Colorado 80300-0613, United States
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11
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Marinkovic M, Tran ON, Wang H, Abdul-Azees P, Dean DD, Chen XD, Yeh CK. Extracellular matrix turnover in salivary gland disorders and regenerative therapies: Obstacles and opportunities. J Oral Biol Craniofac Res 2023; 13:693-703. [PMID: 37719063 PMCID: PMC10502366 DOI: 10.1016/j.jobcr.2023.08.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2023] [Accepted: 08/28/2023] [Indexed: 09/19/2023] Open
Abstract
Salivary gland (SG) extracellular matrix (ECM) has a major influence on tissue development, homeostasis, and tissue regeneration after injury. During aging, disease, and physical insult, normal remodeling of the SG microenvironment (i.e. ECM) becomes dysregulated, leading to alterations in matrix composition which disrupt tissue architecture/structure, alter cell activity, and negatively impact gland function. Matrix metalloproteinases (MMPs) are a large and diverse family of metalloendopeptidases which play a major role in matrix degradation and are intimately involved in regulating development and cell function; dysregulation of these enzymes leads to the production of a fibrotic matrix. In the SG this altered fibrotic ECM (or cell microenvironment) negatively impacts normal cell function and the effectiveness of gene and stem cell therapies which serve as a foundation for many SG regenerative therapies. For this reason, prospective regenerative strategies should prioritize the maintenance and/or restoration of a healthy SG ECM. Mesenchymal stem cells (MSCs) have great potential for mitigating damage to the SG microenvironment by ameliorating inflammation, reducing fibrosis, and repairing the damaged milieu of extracellular regulatory cues, including the matrix. This review addresses our current understanding of the impact of aging and disease on the SG microenvironment and suggests critical deficiencies and opportunities in ECM-targeted therapeutic interventions.
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Affiliation(s)
- Milos Marinkovic
- Department of Comprehensive Dentistry, University of Texas Health Science Center at San Antonio, San Antonio, TX, 78229-3900, USA
- Research Service, South Texas Veterans Health Care System, San Antonio, TX, 78229-4404, USA
| | - Olivia N. Tran
- Department of Comprehensive Dentistry, University of Texas Health Science Center at San Antonio, San Antonio, TX, 78229-3900, USA
| | - Hanzhou Wang
- Department of Comprehensive Dentistry, University of Texas Health Science Center at San Antonio, San Antonio, TX, 78229-3900, USA
| | - Parveez Abdul-Azees
- Department of Comprehensive Dentistry, University of Texas Health Science Center at San Antonio, San Antonio, TX, 78229-3900, USA
- Research Service, South Texas Veterans Health Care System, San Antonio, TX, 78229-4404, USA
| | - David D. Dean
- Department of Comprehensive Dentistry, University of Texas Health Science Center at San Antonio, San Antonio, TX, 78229-3900, USA
- Department of Biomedical Engineering, University of Texas at San Antonio, San Antonio, TX, 78249, USA
| | - Xiao-Dong Chen
- Department of Comprehensive Dentistry, University of Texas Health Science Center at San Antonio, San Antonio, TX, 78229-3900, USA
- Research Service, South Texas Veterans Health Care System, San Antonio, TX, 78229-4404, USA
- Department of Biomedical Engineering, University of Texas at San Antonio, San Antonio, TX, 78249, USA
| | - Chih-Ko Yeh
- Department of Comprehensive Dentistry, University of Texas Health Science Center at San Antonio, San Antonio, TX, 78229-3900, USA
- Geriatric Research, Education and Clinical Center, South Texas Veterans Health Care System, San Antonio, TX, 78229-4404, USA
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12
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Maiti G, Ashworth S, Choi T, Chakravarti S. Molecular cues for immune cells from small leucine-rich repeat proteoglycans in their extracellular matrix-associated and free forms. Matrix Biol 2023; 123:48-58. [PMID: 37793508 PMCID: PMC10841460 DOI: 10.1016/j.matbio.2023.10.001] [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: 06/01/2023] [Revised: 09/14/2023] [Accepted: 10/01/2023] [Indexed: 10/06/2023]
Abstract
In this review we highlight emerging immune regulatory functions of lumican, keratocan, fibromodulin, biglycan and decorin, which are members of the small leucine-rich proteoglycans (SLRP) of the extracellular matrix (ECM). These SLRPs have been studied extensively as collagen-fibril regulatory structural components of the skin, cornea, bone and cartilage in homeostasis. However, SLRPs released from a remodeling ECM, or synthesized by activated fibroblasts and immune cells contribute to an ECM-free pool in tissues and circulation, that may have a significant, but poorly understood foot print in inflammation and disease. Their molecular interactions and the signaling networks they influence also require investigations. Here we present studies on the leucine-rich repeat (LRR) motifs of SLRP core proteins, their evolutionary and functional relationships with other LRR pathogen recognition receptors, such as the toll-like receptors (TLRs) to bring some molecular clarity in the immune regulatory functions of SLRPs. We discuss molecular interactions of fragments and intact SLRPs, and how some of these interactions are likely modulated by glycosaminoglycan side chains. We integrate findings on molecular interactions of these SLRPs together with what is known about their presence in circulation and lymph nodes (LN), which are important sites of immune cell regulation. Recent bulk and single cell RNA sequencing studies have identified subsets of stromal reticular cells that express these SLRPs within LNs. An understanding of the cellular source, molecular interactions and signaling consequences will lead to a fundamental understanding of how SLRPs modulate immune responses, and to therapeutic tools based on these SLRPs in the future.
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Affiliation(s)
- George Maiti
- Department of Ophthalmology, NYU Grossman School of Medicine, New York, NY, United States
| | - Sean Ashworth
- Department of Ophthalmology, NYU Grossman School of Medicine, New York, NY, United States
| | - Tansol Choi
- Department of Ophthalmology, NYU Grossman School of Medicine, New York, NY, United States
| | - Shukti Chakravarti
- Department of Ophthalmology, NYU Grossman School of Medicine, New York, NY, United States; Department of Pathology, NYU Grossman School of Medicine, New York, NY, United States.
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13
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Xia L, Feng M, Ren Y, Hao X, Jiao Q, Xu Q, Wang Y, Wang Q, Gong N. DSE inhibits melanoma progression by regulating tumor immune cell infiltration and VCAN. Cell Death Discov 2023; 9:373. [PMID: 37833287 PMCID: PMC10576081 DOI: 10.1038/s41420-023-01676-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2023] [Revised: 09/23/2023] [Accepted: 10/03/2023] [Indexed: 10/15/2023] Open
Abstract
Dermatan sulfate epimerase (DSE) is a C5 epiminase that plays a key role in converting chondroitin sulfate into dermal sulfate. DSE is often upregulated during carcinogenesis of some types of cancer and can regulate growth factor signaling in cancer cells. However, the expression and function of DSE in human melanoma have not been reported. In this study, we investigated the influence of tumor-derived DSE in melanoma progression and the potential mechanism of their action. First, proteomic analysis of collected melanoma tissues revealed that DSE was significantly down-regulated in melanoma tissues. DSE silenced or overexpressed melanoma cells were constructed to detect the effect of DSE on melanoma cells, and it was found that the up-regulation of DSE significantly inhibited the proliferation, migration and invasion of melanoma cells. Data analysis and flow cytometry were used to evaluate the immune subpopulations in tumors, and it was found that the high expression of DSE was closely related to the invasion of killer immune cells. Mechanistically, DSE promoted the expression of VCAN, which inhibited the biological activity of melanoma cells. Together, these results suggest that DSE is downregulated in melanoma tissues, and that high expression of DSE can promote melanoma progression by inducing immune cell infiltration and VCAN expression.
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Affiliation(s)
- Lin Xia
- Department of Plastic Surgery, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan, Shandong, 250012, China
| | - Maoxiao Feng
- Department of Clinical Laboratory, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, 250021, Shandong, China
| | - Yidan Ren
- Department of Clinical Laboratory, The Second Hospital of Shandong University, 247 Beiyuan Street, Jinan, 250033, Shandong, China
| | - Xiaodong Hao
- Department of Clinical Laboratory, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, 250021, Shandong, China
| | - Qinlian Jiao
- Department of Clinical Laboratory, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, 250021, Shandong, China
| | - QinChen Xu
- Department of Clinical Laboratory, The Second Hospital of Shandong University, 247 Beiyuan Street, Jinan, 250033, Shandong, China
| | - Yunshan Wang
- Department of Clinical Laboratory, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, 250021, Shandong, China
| | - Qin Wang
- Department of Anesthesiology, Qilu Hospital, Cheeloo College of Medicine, Shandong University, 107 Wenhua Xi Road, Jinan, 250012, Shandong, China.
| | - Ningji Gong
- Department of Emergency, The Second Hospital, Cheeloo College of Medicine, Shandong University, Jinan, Shandong, 250012, China.
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14
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Onorato AM, Lameroli Mauriz L, Bayo J, Fiore E, Cantero MJ, Bueloni B, García M, Lagües C, Martínez-Duartez P, Menaldi G, Paleari N, Atorrasagasti C, Mazzolini GD. Hepatic SPARC Expression Is Associated with Inflammasome Activation during the Progression of Non-Alcoholic Fatty Liver Disease in Both Mice and Morbidly Obese Patients. Int J Mol Sci 2023; 24:14843. [PMID: 37834291 PMCID: PMC10573696 DOI: 10.3390/ijms241914843] [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: 09/02/2023] [Revised: 09/23/2023] [Accepted: 09/28/2023] [Indexed: 10/15/2023] Open
Abstract
The severity of non-alcoholic fatty liver disease (NAFLD) ranges from simple steatosis to steatohepatitis, and it is not yet clearly understood which patients will progress to liver fibrosis or cirrhosis. SPARC (Secreted Protein Acidic and Rich in Cysteine) has been involved in NAFLD pathogenesis in mice and humans. The aim of this study was to investigate the role of SPARC in inflammasome activation, and to evaluate the relationship between the hepatic expression of inflammasome genes and the biochemical and histological characteristics of NAFLD in obese patients. In vitro studies were conducted in a macrophage cell line and primary hepatocyte cultures to assess the effect of SPARC on inflammasome. A NAFLD model was established in SPARC knockout (SPARC-/-) and SPARC+/+ mice to explore inflammasome activation. A hepatic RNAseq database from NAFLD patients was analyzed to identify genes associated with SPARC expression. The results were validated in a prospective cohort of 59 morbidly obese patients with NAFLD undergoing bariatric surgery. Our results reveal that SPARC alone or in combination with saturated fatty acids promoted IL-1β expression in cell cultures. SPARC-/- mice had reduced hepatic inflammasome activation during the progression of NAFLD. NAFLD patients showed increased expression of SPARC, NLRP3, CASP1, and IL-1β. Gene ontology analysis revealed that genes positively correlated with SPARC are linked to inflammasome-related pathways during the progression of the disease, enabling the differentiation of patients between steatosis and steatohepatitis. In conclusion, SPARC may play a role in hepatic inflammasome activation in NAFLD.
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Affiliation(s)
- Agostina M. Onorato
- Gene Therapy Laboratory, Instituto de Investigaciones en Medicina Traslacional, Facultad de Ciencias Biomédicas, CONICET-Universidad Austral, Av. Pte. Perón 1500, Pilar B1629AHJ, Argentina; (A.M.O.); (L.L.M.); (J.B.); (E.F.); (M.J.C.); (B.B.); (M.G.)
| | - Lucía Lameroli Mauriz
- Gene Therapy Laboratory, Instituto de Investigaciones en Medicina Traslacional, Facultad de Ciencias Biomédicas, CONICET-Universidad Austral, Av. Pte. Perón 1500, Pilar B1629AHJ, Argentina; (A.M.O.); (L.L.M.); (J.B.); (E.F.); (M.J.C.); (B.B.); (M.G.)
| | - Juan Bayo
- Gene Therapy Laboratory, Instituto de Investigaciones en Medicina Traslacional, Facultad de Ciencias Biomédicas, CONICET-Universidad Austral, Av. Pte. Perón 1500, Pilar B1629AHJ, Argentina; (A.M.O.); (L.L.M.); (J.B.); (E.F.); (M.J.C.); (B.B.); (M.G.)
| | - Esteban Fiore
- Gene Therapy Laboratory, Instituto de Investigaciones en Medicina Traslacional, Facultad de Ciencias Biomédicas, CONICET-Universidad Austral, Av. Pte. Perón 1500, Pilar B1629AHJ, Argentina; (A.M.O.); (L.L.M.); (J.B.); (E.F.); (M.J.C.); (B.B.); (M.G.)
| | - María José Cantero
- Gene Therapy Laboratory, Instituto de Investigaciones en Medicina Traslacional, Facultad de Ciencias Biomédicas, CONICET-Universidad Austral, Av. Pte. Perón 1500, Pilar B1629AHJ, Argentina; (A.M.O.); (L.L.M.); (J.B.); (E.F.); (M.J.C.); (B.B.); (M.G.)
| | - Barbara Bueloni
- Gene Therapy Laboratory, Instituto de Investigaciones en Medicina Traslacional, Facultad de Ciencias Biomédicas, CONICET-Universidad Austral, Av. Pte. Perón 1500, Pilar B1629AHJ, Argentina; (A.M.O.); (L.L.M.); (J.B.); (E.F.); (M.J.C.); (B.B.); (M.G.)
| | - Mariana García
- Gene Therapy Laboratory, Instituto de Investigaciones en Medicina Traslacional, Facultad de Ciencias Biomédicas, CONICET-Universidad Austral, Av. Pte. Perón 1500, Pilar B1629AHJ, Argentina; (A.M.O.); (L.L.M.); (J.B.); (E.F.); (M.J.C.); (B.B.); (M.G.)
| | - Cecilia Lagües
- Pathological Anatomy Department, Hospital Universitario Austral, Universidad Austral, Av. Pte. Perón 1500, Pilar B1629AHJ, Argentina
| | - Pedro Martínez-Duartez
- Bariatric and Metabolic Surgery Department, Hospital Universitario Austral, Universidad Austral, Av. Pte. Perón 1500, Pilar B1629AHJ, Argentina
| | - Gabriel Menaldi
- Bariatric and Metabolic Surgery Department, Hospital Universitario Austral, Universidad Austral, Av. Pte. Perón 1500, Pilar B1629AHJ, Argentina
| | - Nicolas Paleari
- Bariatric and Metabolic Surgery Department, Hospital Universitario Austral, Universidad Austral, Av. Pte. Perón 1500, Pilar B1629AHJ, Argentina
| | - Catalina Atorrasagasti
- Gene Therapy Laboratory, Instituto de Investigaciones en Medicina Traslacional, Facultad de Ciencias Biomédicas, CONICET-Universidad Austral, Av. Pte. Perón 1500, Pilar B1629AHJ, Argentina; (A.M.O.); (L.L.M.); (J.B.); (E.F.); (M.J.C.); (B.B.); (M.G.)
| | - Guillermo D. Mazzolini
- Gene Therapy Laboratory, Instituto de Investigaciones en Medicina Traslacional, Facultad de Ciencias Biomédicas, CONICET-Universidad Austral, Av. Pte. Perón 1500, Pilar B1629AHJ, Argentina; (A.M.O.); (L.L.M.); (J.B.); (E.F.); (M.J.C.); (B.B.); (M.G.)
- Liver Unit, Hospital Universitario Austral, Universidad Austral, Av. Pte. Perón 1500, Pilar B1629AHJ, Argentina
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15
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Bale S, Verma P, Varga J, Bhattacharyya S. Extracellular Matrix-Derived Damage-Associated Molecular Patterns (DAMP): Implications in Systemic Sclerosis and Fibrosis. J Invest Dermatol 2023; 143:1877-1885. [PMID: 37452808 DOI: 10.1016/j.jid.2023.04.030] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2023] [Revised: 03/24/2023] [Accepted: 04/07/2023] [Indexed: 07/18/2023]
Abstract
Damage-associated molecular patterns (DAMPs) are intracellular molecules released under cellular stress or recurring tissue injury, which serve as endogenous ligands for toll-like receptors (TLRs). Such DAMPs are either actively secreted by immune cells or passively released into the extracellular environment from damaged cells or generated as alternatively spliced mRNA variants of extracellular matrix (ECM) glycoproteins. When recognized by pattern recognition receptors (PRRs) such as TLRs, DAMPs trigger innate immune responses. Currently, the best-characterized PRRs include, in addition to TLRs, nucleotide-binding oligomerization domain-like receptors, RIG-I-like RNA helicases, C-type lectin receptors, and many more. Systemic sclerosis (SSc) is a chronic autoimmune condition characterized by inflammation and progressive fibrosis in multiple organs. Using an unbiased survey for SSc-associated DAMPs, we have identified the ECM glycoproteins fibronectin-containing extra domain A and tenascin C as the most highly upregulated in SSc skin and lung biopsies. These DAMPs activate TLR4 on resident stromal cells to elicit profibrotic responses and sustained myofibroblasts activation resulting in progressive fibrosis. This review summarizes the current understanding of the complex functional roles of DAMPs in the progression and failure of resolution of fibrosis in general, with a particular focus on SSc, and considers viable therapeutic approaches targeting DAMPs.
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Affiliation(s)
- Swarna Bale
- Michigan Scleroderma Program, Division of Rheumatology, Department of Internal Medicine, University of Michigan, Ann Arbor, Michigan, USA
| | - Priyanka Verma
- Michigan Scleroderma Program, Division of Rheumatology, Department of Internal Medicine, University of Michigan, Ann Arbor, Michigan, USA
| | - John Varga
- Michigan Scleroderma Program, Division of Rheumatology, Department of Internal Medicine, University of Michigan, Ann Arbor, Michigan, USA
| | - Swati Bhattacharyya
- Michigan Scleroderma Program, Division of Rheumatology, Department of Internal Medicine, University of Michigan, Ann Arbor, Michigan, USA.
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16
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Arévalo Martínez M, Ritsvall O, Bastrup JA, Celik S, Jakobsson G, Daoud F, Winqvist C, Aspberg A, Rippe C, Maegdefessel L, Schiopu A, Jepps TA, Holmberg J, Swärd K, Albinsson S. Vascular smooth muscle-specific YAP/TAZ deletion triggers aneurysm development in mouse aorta. JCI Insight 2023; 8:e170845. [PMID: 37561588 PMCID: PMC10544211 DOI: 10.1172/jci.insight.170845] [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: 03/24/2023] [Accepted: 07/25/2023] [Indexed: 08/12/2023] Open
Abstract
Inadequate adaption to mechanical forces, including blood pressure, contributes to development of arterial aneurysms. Recent studies have pointed to a mechanoprotective role of YAP and TAZ in vascular smooth muscle cells (SMCs). Here, we identified reduced expression of YAP1 in human aortic aneurysms. Vascular SMC-specific knockouts (KOs) of YAP/TAZ were thus generated using the integrin α8-Cre (Itga8-Cre) mouse model (i8-YT-KO). i8-YT-KO mice spontaneously developed aneurysms in the abdominal aorta within 2 weeks of KO induction and in smaller arteries at later times. The vascular specificity of Itga8-Cre circumvented gastrointestinal effects. Aortic aneurysms were characterized by elastin disarray, SMC apoptosis, and accumulation of proteoglycans and immune cell populations. RNA sequencing, proteomics, and myography demonstrated decreased contractile differentiation of SMCs and impaired vascular contractility. This associated with partial loss of myocardin expression, reduced blood pressure, and edema. Mediators in the inflammatory cGAS/STING pathway were increased. A sizeable increase in SOX9, along with several direct target genes, including aggrecan (Acan), contributed to proteoglycan accumulation. This was the earliest detectable change, occurring 3 days after KO induction and before the proinflammatory transition. In conclusion, Itga8-Cre deletion of YAP and TAZ represents a rapid and spontaneous aneurysm model that recapitulates features of human abdominal aortic aneurysms.
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Affiliation(s)
| | - Olivia Ritsvall
- Vascular Physiology Environment, Department of Experimental Medical Science, Lund University, Lund, Sweden
| | - Joakim Armstrong Bastrup
- Vascular Biology Group, Department of Biomedical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Selvi Celik
- Molecular Cardiology, Department of Clinical Sciences, Lund University, Lund, Sweden
| | - Gabriel Jakobsson
- Department of Translational Medicine, Lund University, Malmö, Sweden
| | - Fatima Daoud
- Vascular Physiology Environment, Department of Experimental Medical Science, Lund University, Lund, Sweden
| | - Christopher Winqvist
- Vascular Physiology Environment, Department of Experimental Medical Science, Lund University, Lund, Sweden
| | - Anders Aspberg
- Rheumatology and Molecular Skeletal Biology, Department of Clinical Sciences Lund, Lund University, Lund, Sweden
| | - Catarina Rippe
- Vascular Physiology Environment, Department of Experimental Medical Science, Lund University, Lund, Sweden
| | - Lars Maegdefessel
- Department of Medicine, Karolinska Institute, Stockholm, Sweden, and
- Department of Vascular and Endovascular Surgery, Klinikum rechts der Isar - Technical University Munich (TUM), Munich, Germany
| | - Alexandru Schiopu
- Department of Translational Medicine, Lund University, Malmö, Sweden
- Department of Internal Medicine, Skåne University Hospital Lund, Lund, Sweden, and
- Nicolae Simionescu Institute of Cellular Biology and Pathology, Bucharest, Romania
| | - Thomas A. Jepps
- Vascular Biology Group, Department of Biomedical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Johan Holmberg
- Vascular Physiology Environment, Department of Experimental Medical Science, Lund University, Lund, Sweden
| | - Karl Swärd
- Vascular Physiology Environment, Department of Experimental Medical Science, Lund University, Lund, Sweden
| | - Sebastian Albinsson
- Vascular Physiology Environment, Department of Experimental Medical Science, Lund University, Lund, Sweden
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17
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Neumaier M, Giesler S, Ast V, Roemer M, Voß TD, Reinz E, Costina V, Schmelz M, Nürnberg E, Nittka S, Leppä AM, Rudolf R, Trumpp A, Fuchs T. Opsonization-independent antigen-specific recognition by myeloid phagocytes expressing monoclonal antibodies. SCIENCE ADVANCES 2023; 9:eadg1812. [PMID: 37656789 DOI: 10.1126/sciadv.adg1812] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/07/2022] [Accepted: 07/31/2023] [Indexed: 09/03/2023]
Abstract
This report demonstrates a novel class of innate immune cells designated "variable immunoreceptor-expressing myeloids" (VIREMs). Using single-cell transcriptomics and genome-wide epigenetic profiling, we establish that VIREMs are myeloid cells unrelated to lymphocytes. We visualize the phenotype of B-VIREMs that are capable of genetically recombining and expressing antibody genes, the exclusive hallmark function of B lymphocytes. These cells, designated B-VIREMs, display monoclonal antibody cell surface signatures and regularly circulate in the blood of healthy individuals. Single-cell data reveal clonal expansion of circulating B-VIREMs as a dynamic response to disease stimuli. Live-cell imaging models suggest that B-VIREMs load their own Fc receptors with endogenous antibodies during vesicle transport to the cell surface. A first cloned B-VIREM-derived antibody (Vab1) specifically binds stomatin, a ubiquitous scaffold protein that is strictly expressed intracellularly, allowing Vab1-bearing macrophages to phagocytose cell debris without requiring prior opsonization. Our results suggest important antigen-specific tissue maintenance functionalities in these innate immune cells.
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Affiliation(s)
- Michael Neumaier
- Institute for Clinical Chemistry, University Medicine Mannheim, Mannheim, Germany
- Mannheim Institute of Innate Immunoscience, Medical Faculty Mannheim of Heidelberg University, Mannheim, Germany
| | - Sophie Giesler
- Institute for Clinical Chemistry, University Medicine Mannheim, Mannheim, Germany
- Department of Medicine I - Medical Center, Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - Volker Ast
- Institute for Clinical Chemistry, University Medicine Mannheim, Mannheim, Germany
- Next Generation Sequencing Core Facility, Medical Faculty Mannheim of Heidelberg University, Mannheim, Germany
| | - Mathis Roemer
- Institute for Clinical Chemistry, University Medicine Mannheim, Mannheim, Germany
| | - Timo-Daniel Voß
- Institute for Clinical Chemistry, University Medicine Mannheim, Mannheim, Germany
- Institute of Nutritional Medicine, Department of Immunology, University of Hohenheim, Stuttgart, Germany
| | - Eileen Reinz
- Institute for Clinical Chemistry, University Medicine Mannheim, Mannheim, Germany
| | - Victor Costina
- Institute for Clinical Chemistry, University Medicine Mannheim, Mannheim, Germany
| | - Martin Schmelz
- Department of Pain Research, Medical Faculty Mannheim, University of Heidelberg, Mannheim, Germany
| | - Elina Nürnberg
- Institute of Molecular and Cell Biology, Mannheim University of Applied Sciences, Mannheim, Germany
| | - Stefanie Nittka
- Institute for Clinical Chemistry, University Medicine Mannheim, Mannheim, Germany
| | - Aino-Maija Leppä
- Division of Stem Cells and Cancer, German Cancer Research Center (DKFZ)-Center for Molecular Biology of Heidelberg University (ZMBH) Alliance, Heidelberg, Germany
- Heidelberg Institute for Stem Cell Technology and Experimental Medicine (HI-STEM gGmbH), Heidelberg, Germany
| | - Ruediger Rudolf
- Institute of Molecular and Cell Biology, Mannheim University of Applied Sciences, Mannheim, Germany
| | - Andreas Trumpp
- Division of Stem Cells and Cancer, German Cancer Research Center (DKFZ)-Center for Molecular Biology of Heidelberg University (ZMBH) Alliance, Heidelberg, Germany
- Heidelberg Institute for Stem Cell Technology and Experimental Medicine (HI-STEM gGmbH), Heidelberg, Germany
| | - Tina Fuchs
- Institute for Clinical Chemistry, University Medicine Mannheim, Mannheim, Germany
- Mannheim Institute of Innate Immunoscience, Medical Faculty Mannheim of Heidelberg University, Mannheim, Germany
- Next Generation Sequencing Core Facility, Medical Faculty Mannheim of Heidelberg University, Mannheim, Germany
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18
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Wight TN, Day AJ, Kang I, Harten IA, Kaber G, Briggs DC, Braun KR, Lemire JM, Kinsella MG, Hinek A, Merrilees MJ. V3: an enigmatic isoform of the proteoglycan versican. Am J Physiol Cell Physiol 2023; 325:C519-C537. [PMID: 37399500 PMCID: PMC10511178 DOI: 10.1152/ajpcell.00059.2023] [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: 02/15/2023] [Revised: 06/09/2023] [Accepted: 06/09/2023] [Indexed: 07/05/2023]
Abstract
V3 is an isoform of the extracellular matrix (ECM) proteoglycan (PG) versican generated through alternative splicing of the versican gene such that the two major exons coding for sequences in the protein core that support chondroitin sulfate (CS) glycosaminoglycan (GAG) chain attachment are excluded. Thus, versican V3 isoform carries no GAGs. A survey of PubMed reveals only 50 publications specifically on V3 versican, so it is a very understudied member of the versican family, partly because to date there are no antibodies that can distinguish V3 from the CS-carrying isoforms of versican, that is, to facilitate functional and mechanistic studies. However, a number of in vitro and in vivo studies have identified the expression of the V3 transcript during different phases of development and in disease, and selective overexpression of V3 has shown dramatic phenotypic effects in "gain and loss of function" studies in experimental models. Thus, we thought it would be useful and instructive to discuss the discovery, characterization, and the putative biological importance of the enigmatic V3 isoform of versican.
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Affiliation(s)
- Thomas N Wight
- Matrix Biology Program, Benaroya Research Institute at Virginia Mason, Seattle, Washington, United States
| | - Anthony J Day
- Wellcome Centre for Cell-Matrix Research, Faculty of Biology, Medicine and Health, University of Manchester, Manchester Academic Health Sciences Centre, Manchester, United Kingdom
- Division of Cell Matrix Biology and Regenerative Medicine, School of Biological Sciences, Faculty of Biology, Medicine and Health, University of Manchester, Manchester Academic Health Sciences Centre, Manchester, United Kingdom
- Lydia Becker Institute of Immunology and Inflammation, Faculty of Biology, Medicine and Health, University of Manchester, Manchester Academic Health Sciences Centre, Manchester, United Kingdom
| | - Inkyung Kang
- Matrix Biology Program, Benaroya Research Institute at Virginia Mason, Seattle, Washington, United States
| | - Ingrid A Harten
- Matrix Biology Program, Benaroya Research Institute at Virginia Mason, Seattle, Washington, United States
| | - Gernot Kaber
- Matrix Biology Program, Benaroya Research Institute at Virginia Mason, Seattle, Washington, United States
| | - David C Briggs
- Signalling and Structural Biology Laboratory, The Francis Crick Institute, London, United Kingdom
| | - Kathleen R Braun
- Matrix Biology Program, Benaroya Research Institute at Virginia Mason, Seattle, Washington, United States
| | - Joan M Lemire
- Department of Biology, Tufts University, Medford, Massachusetts, United States
| | - Michael G Kinsella
- Matrix Biology Program, Benaroya Research Institute at Virginia Mason, Seattle, Washington, United States
| | - Aleksander Hinek
- Translational Medicine, Hospital for Sick Children, Toronto, Ontario, Canada
| | - Mervyn J Merrilees
- Department of Anatomy and Medical Imaging, University of Auckland, Auckland, New Zealand
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19
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Ma W, Zhu J, Bai L, Zhao P, Li F, Zhang S. The role of neutrophil extracellular traps and proinflammatory damage-associated molecular patterns in idiopathic inflammatory myopathies. Clin Exp Immunol 2023; 213:202-208. [PMID: 37289984 PMCID: PMC10361739 DOI: 10.1093/cei/uxad059] [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: 02/11/2023] [Revised: 04/13/2023] [Accepted: 05/25/2023] [Indexed: 06/10/2023] Open
Abstract
Idiopathic inflammatory myopathies (IIMs) are a group of systemic autoimmune diseases characterized by immune-mediated muscle injury. Abnormal neutrophil extracellular traps (NETs) can be used as a biomarker of IIM disease activity, but the mechanism of NET involvement in IIMs needs to be elucidated. Important components of NETs, including high-mobility group box 1, DNA, histones, extracellular matrix, serum amyloid A, and S100A8/A9, act as damage-associated molecular patterns (DAMPs) to promote inflammation in IIMs. NETs can act on different cells to release large amounts of cytokines and activate the inflammasome, which can subsequently aggravate the inflammatory response. Based on the idea that NETs may be proinflammatory DAMPs of IIMs, we describe the role of NETs, DAMPs, and their interaction in the pathogenesis of IIMs and discuss the possible targeted treatment strategies in IIMs.
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Affiliation(s)
- Wenlan Ma
- The Second Clinical Medical College, Lanzhou University, Lanzhou, China
| | - Jiarui Zhu
- Department of Cuiying Biomedical Research Center, Lanzhou University Second Hospital, Lanzhou, China
| | - Ling Bai
- The Second Clinical Medical College, Lanzhou University, Lanzhou, China
| | - Peipei Zhao
- The Second Clinical Medical College, Lanzhou University, Lanzhou, China
| | - Feifei Li
- The Second Clinical Medical College, Lanzhou University, Lanzhou, China
| | - Sigong Zhang
- Department of Rheumatology, Lanzhou University Second Hospital, Lanzhou, China
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20
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Koncz G, Jenei V, Tóth M, Váradi E, Kardos B, Bácsi A, Mázló A. Damage-mediated macrophage polarization in sterile inflammation. Front Immunol 2023; 14:1169560. [PMID: 37465676 PMCID: PMC10351389 DOI: 10.3389/fimmu.2023.1169560] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2023] [Accepted: 06/07/2023] [Indexed: 07/20/2023] Open
Abstract
Most of the leading causes of death, such as cardiovascular diseases, cancer, dementia, neurodegenerative diseases, and many more, are associated with sterile inflammation, either as a cause or a consequence of these conditions. The ability to control the progression of inflammation toward tissue resolution before it becomes chronic holds significant clinical potential. During sterile inflammation, the initiation of inflammation occurs through damage-associated molecular patterns (DAMPs) in the absence of pathogen-associated molecules. Macrophages, which are primarily localized in the tissue, play a pivotal role in sensing DAMPs. Furthermore, macrophages can also detect and respond to resolution-associated molecular patterns (RAMPs) and specific pro-resolving mediators (SPMs) during sterile inflammation. Macrophages, being highly adaptable cells, are particularly influenced by changes in the microenvironment. In response to the tissue environment, monocytes, pro-inflammatory macrophages, and pro-resolution macrophages can modulate their differentiation state. Ultimately, DAMP and RAMP-primed macrophages, depending on the predominant subpopulation, regulate the balance between inflammatory and resolving processes. While sterile injury and pathogen-induced reactions may have distinct effects on macrophages, most studies have focused on macrophage responses induced by pathogens. In this review, which emphasizes available human data, we illustrate how macrophages sense these mediators by examining the expression of receptors for DAMPs, RAMPs, and SPMs. We also delve into the signaling pathways induced by DAMPs, RAMPs, and SPMs, which primarily contribute to the regulation of macrophage differentiation from a pro-inflammatory to a pro-resolution phenotype. Understanding the regulatory mechanisms behind the transition between macrophage subtypes can offer insights into manipulating the transition from inflammation to resolution in sterile inflammatory diseases.
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Affiliation(s)
- Gábor Koncz
- Department of Immunology, Faculty of Medicine, University of Debrecen, Debrecen, Hungary
| | - Viktória Jenei
- Department of Immunology, Faculty of Medicine, University of Debrecen, Debrecen, Hungary
| | - Márta Tóth
- Department of Immunology, Faculty of Medicine, University of Debrecen, Debrecen, Hungary
| | - Eszter Váradi
- Institute of Genetics, Biological Research Centre, Eotvos Lorand Research Network, Szeged, Hungary
- Doctoral School in Biology, University of Szeged, Szeged, Hungary
| | - Balázs Kardos
- Department of Immunology, Faculty of Medicine, University of Debrecen, Debrecen, Hungary
| | - Attila Bácsi
- Department of Immunology, Faculty of Medicine, University of Debrecen, Debrecen, Hungary
- ELKH-DE Allergology Research Group, Debrecen, Hungary
| | - Anett Mázló
- Department of Immunology, Faculty of Medicine, University of Debrecen, Debrecen, Hungary
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21
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Gesteira TF, Verma S, Coulson-Thomas VJ. Small leucine rich proteoglycans: Biology, function and their therapeutic potential in the ocular surface. Ocul Surf 2023; 29:521-536. [PMID: 37355022 PMCID: PMC11092928 DOI: 10.1016/j.jtos.2023.06.013] [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] [Received: 04/20/2023] [Revised: 06/13/2023] [Accepted: 06/21/2023] [Indexed: 06/26/2023]
Abstract
Small leucine rich proteoglycans (SLRPs) are the largest family of proteoglycans, with 18 members that are subdivided into five classes. SLRPs are small in size and can be present in tissues as glycosylated and non-glycosylated proteins, and the most studied SLRPs include decorin, biglycan, lumican, keratocan and fibromodulin. SLRPs specifically bind to collagen fibrils, regulating collagen fibrillogenesis and the biomechanical properties of tissues, and are expressed at particularly high levels in fibrous tissues, such as the cornea. However, SLRPs are also very active components of the ECM, interacting with numerous growth factors, cytokines and cell surface receptors. Therefore, SLRPs regulate major cellular processes and have a central role in major fundamental biological processes, such as maintaining corneal homeostasis and transparency and regulating corneal wound healing. Over the years, mutations and/or altered expression of SLRPs have been associated with various corneal diseases, such as congenital stromal corneal dystrophy and cornea plana. Recently, there has been great interest in harnessing the various functions of SLRPs for therapeutic purposes. In this comprehensive review, we describe the structural features and the related functions of SLRPs, and how these affect the therapeutic potential of SLRPs, with special emphasis on the use of SLRPs for treating ocular surface pathologies.
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Affiliation(s)
| | - Sudhir Verma
- College of Optometry, University of Houston, USA; Department of Zoology, Deen Dayal Upadhyaya College, University of Delhi, Delhi, India
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22
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Paolucci T, Pino V, Elsallabi O, Gallorini M, Pozzato G, Pozzato A, Lanuti P, Reis VM, Pesce M, Pantalone A, Buda R, Patruno A. Quantum Molecular Resonance Inhibits NLRP3 Inflammasome/Nitrosative Stress and Promotes M1 to M2 Macrophage Polarization: Potential Therapeutic Effect in Osteoarthritis Model In Vitro. Antioxidants (Basel) 2023; 12:1358. [PMID: 37507898 PMCID: PMC10376596 DOI: 10.3390/antiox12071358] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2023] [Revised: 06/22/2023] [Accepted: 06/23/2023] [Indexed: 07/30/2023] Open
Abstract
This study aimed to investigate the anti-inflammatory effects of Quantum Molecular Resonance (QMR) technology in an in vitro model of osteoarthritis-related inflammation. The study used THP-1-derived macrophages stimulated with lipopolysaccharide and hyaluronic acid fragments to induce the expression of inflammatory cytokines and nitrosative stress. QMR treatment inhibited COX-2 and iNOS protein expression and activity and reduced NF-κB activity. Furthermore, QMR treatment led to a significant reduction in peroxynitrite levels, reactive nitrogen species that can form during inflammatory conditions, and restored tyrosine nitration values to those similar to sham-exposed control cells. We also investigated the effect of QMR treatment on inflammasome activation and macrophage polarization in THP-1-derived macrophages. Results showed that QMR treatment significantly decreased NLRP3 and activated caspase-1 protein expression levels and downregulated IL-18 and IL-1β protein expression and secretion. Finally, our findings indicate that QMR treatment induces a switch in macrophage polarization from the M1 phenotype to the M2 phenotype.
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Affiliation(s)
- Teresa Paolucci
- Department of Oral, Medical and Biotechnological Sciences, Physical Medicine and Rehabilitation, University G. D'Annunzio, 66100 Chieti, Italy
| | - Vanessa Pino
- Department of Medicine and Aging Sciences, University "G. d'Annunzio" of Chieti-Pescara, 66100 Chieti, Italy
| | - Osama Elsallabi
- Department of Medicine and Aging Sciences, University "G. d'Annunzio" of Chieti-Pescara, 66100 Chieti, Italy
- Institute on the Biology of Aging and Metabolism and Department of Biochemistry, Molecular Biology and Biophysics, University of Minnesota, Minneapolis, MN 55455, USA
| | - Marialucia Gallorini
- Department of Pharmacy, University "G. d'Annunzio" of Chieti-Pescara, 66100 Chieti, Italy
| | | | | | - Paola Lanuti
- Department of Medicine and Aging Sciences, University "G. d'Annunzio" of Chieti-Pescara, 66100 Chieti, Italy
| | - Victor Machado Reis
- Research Centre in Sport Sciences, Health Sciences and Human Development, 5001-801 Vila Real, Portugal
| | - Mirko Pesce
- Department of Medicine and Aging Sciences, University "G. d'Annunzio" of Chieti-Pescara, 66100 Chieti, Italy
| | - Andrea Pantalone
- Department of Medicine and Aging Sciences, University "G. d'Annunzio" of Chieti-Pescara, 66100 Chieti, Italy
| | - Roberto Buda
- Department of Medicine and Aging Sciences, University "G. d'Annunzio" of Chieti-Pescara, 66100 Chieti, Italy
| | - Antonia Patruno
- Department of Medicine and Aging Sciences, University "G. d'Annunzio" of Chieti-Pescara, 66100 Chieti, Italy
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23
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Maddali P, Ambesi A, McKeown-Longo PJ. Induction of pro-inflammatory genes by fibronectin DAMPs in three fibroblast cell lines: Role of TAK1 and MAP kinases. PLoS One 2023; 18:e0286390. [PMID: 37228128 DOI: 10.1371/journal.pone.0286390] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2023] [Accepted: 05/13/2023] [Indexed: 05/27/2023] Open
Abstract
Changes in the organization and structure of the fibronectin matrix are believed to contribute to dysregulated wound healing and subsequent tissue inflammation and tissue fibrosis. These changes include an increase in the EDA isoform of fibronectin as well as the mechanical unfolding of fibronectin type III domains. In previous studies using embryonic foreskin fibroblasts, we have shown that fibronectin's EDA domain (FnEDA) and the partially unfolded first Type III domain (FnIII-1c) function as Damage Associated Molecular Pattern (DAMP) molecules to stimulate the induction of inflammatory cytokines by serving as agonists for Toll-Like Receptor-4 (TLR4). However, the role of signaling molecules downstream of TLR-4 such as TGF-β Activated Kinase 1 (TAK1) and Mitogen activated protein kinases (MAPK) in regulating the expression of fibronectin DAMP induced inflammatory genes in specific cell types is not known. In the current study, we evaluate the molecular steps regulating the fibronectin driven induction of inflammatory genes in three human fibroblast cell lines: embryonic foreskin, adult dermal, and adult kidney. The fibronectin derived DAMPs each induce the phosphorylation and activation of TAK1 which results in the activation of two downstream signaling arms, IKK/NF-κB and MAPK. Using the specific inhibitor 5Z-(7)-Oxozeanol as well as siRNA, we show TAK1 to be a crucial signaling mediator in the release of cytokines in response to fibronectin DAMPs in all three cell types. Finally, we show that FnEDA and FnIII-1c induce several pro-inflammatory cytokines whose expression is dependent on both TAK1 and JNK MAPK and highlight cell-type specific differences in the gene-expression profiles of the fibroblast cell-lines.
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Affiliation(s)
- Pranav Maddali
- Department of Regenerative & Cancer Cell Biology, Albany Medical College, Albany, New York, United States of America
| | - Anthony Ambesi
- Department of Regenerative & Cancer Cell Biology, Albany Medical College, Albany, New York, United States of America
| | - Paula J McKeown-Longo
- Department of Regenerative & Cancer Cell Biology, Albany Medical College, Albany, New York, United States of America
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24
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Abstract
Type 2 immunity mediates protective responses to helminths and pathological responses to allergens, but it also has broad roles in the maintenance of tissue integrity, including wound repair. Type 2 cytokines are known to promote fibrosis, an overzealous repair response, but their contribution to healthy wound repair is less well understood. This review discusses the evidence that the canonical type 2 cytokines, IL-4 and IL-13, are integral to the tissue repair process through two main pathways. First, essential for the progression of effective tissue repair, IL-4 and IL-13 suppress the initial inflammatory response to injury. Second, these cytokines regulate how the extracellular matrix is modified, broken down, and rebuilt for effective repair. IL-4 and/or IL-13 amplifies multiple aspects of the tissue repair response, but many of these pathways are highly redundant and can be induced by other signals. Therefore, the exact contribution of IL-4Rα signaling remains difficult to unravel.
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Affiliation(s)
- Judith E Allen
- Lydia Becker Institute for Immunology and Inflammation and Wellcome Centre for Cell-Matrix Research, Faculty of Biology, Medicine and Health, Manchester Academic Health Science Centre, University of Manchester, Manchester, United Kingdom;
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25
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Xiao C, Huang Y, Cui X, Wei Q, Ji Q, Liu Y, Fei S, Pan Y, Xu X, Pan H, Bao G. Adjuvant Efficacy of the ECMS-Oil on Immune Responses against Bordetella bronchiseptica in Mice through the TLR2/MyD88/NF-κB Pathway. J Immunol Res 2023. [DOI: 10.1155/2023/1011659] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/29/2023] Open
Abstract
Bordetella infection can be efficiently prevented through vaccination. The current study investigated the effects of an extract of Cochinchina momordica seed (ECMS) combined with oil on the immune responses to the inactivated Bordetella vaccine in mice. Serum IgG and IgG1 level was significantly increased in ECMS-oil group compared to any other group (
) 2 weeks after immunization, while groups ECMS200 μg/400 μg-oil had a markedly higher level of serum IgG2b and IgG3 than any other groups (
). Moreover, lipopolysaccharide/ConA-stimulated proliferation of splenocytes was significantly enhanced in ECMS 400 μg-oil immunized mice in comparison with mice in any other group (
). RT-PCR assay revealed that while ECMS800 μg-oil group had significantly higher levels of serum IL-4, IL-10, Toll-like receptor (TLR)2, and IL-1 beta than any other group (
), the levels of serum IL-2, IL-4, and IL-10 were markedly increased in ECMS 400 μg-oil group as compared to any other groups (
). Blood analysis showed that ECMS800 μg-oil and oil groups had a significantly higher number of immunocytes than any other groups (
). There were significant differences in the number of IgG+, IgG2b+, and IgA+ cells in the lung between ECMS800 μg-oil group and any other groups (
). Western blot analysis demonstrated that stimulation with ECMS 25 μg/mL or 50 ng/mL led to a significant increase in the expression of TLR2, MyD88, and NF-κB in Raw264.7 cells (
). Compared with any other group, the expression of MyD88 was markedly increased in the cells stimulated with ECMS 50 ng/mL, as indicated by the RT-PCR analysis (
). Overall, we observed that ECMS-oil efficiently enhanced the humoral or cellular immune responses against Bordetella and suggested that the mechanism of adjuvant activity of ECMS-oil might involve TLR2/MyD88/NF-κB signaling pathway.
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26
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Zuliani JP. Alarmins and inflammatory aspects related to snakebite envenomation. Toxicon 2023; 226:107088. [PMID: 36924999 DOI: 10.1016/j.toxicon.2023.107088] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2022] [Revised: 02/27/2023] [Accepted: 03/13/2023] [Indexed: 03/17/2023]
Abstract
Snakebite envenoming is characterized by the injection of a mixture of proteins/toxins present in venom following the bite of a venomous snake. The toxins have potent bioactivity capability to impact different aspects of envenomation evolution. The cascade of immune responses initiated by the participation of venom and/or toxins isolated from snake venom can contribute to the systemic and local inflammatory effects observed in victims of envenomation. To understand envenomation, a deeper comprehension of the numerous cells, mediators, and components that comprise the immune system reaction to the venom components is required. Thus, activities related to the immune response are highlighted in this study, including the initial line of defense of the innate immune response as signals for the complicated reaction led by specialized cells.
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Affiliation(s)
- Juliana P Zuliani
- Laboratório de Imunologia Celular Aplicada à Saúde, Fundação Oswaldo Cruz, FIOCRUZ Rondônia, Porto Velho, RO, Brazil; Departamento de Medicina, Universidade Federal de Rondônia, UNIR, Porto Velho, RO, Brazil.
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27
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Semenistaja S, Skuja S, Kadisa A, Groma V. Healthy and Osteoarthritis-Affected Joints Facing the Cellular Crosstalk. Int J Mol Sci 2023; 24:ijms24044120. [PMID: 36835530 PMCID: PMC9964755 DOI: 10.3390/ijms24044120] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2023] [Revised: 02/14/2023] [Accepted: 02/16/2023] [Indexed: 02/22/2023] Open
Abstract
Osteoarthritis (OA) is a chronic, progressive, severely debilitating, and multifactorial joint disease that is recognized as the most common type of arthritis. During the last decade, it shows an incremental global rise in prevalence and incidence. The interaction between etiologic factors that mediate joint degradation has been explored in numerous studies. However, the underlying processes that induce OA remain obscure, largely due to the variety and complexity of these mechanisms. During synovial joint dysfunction, the osteochondral unit undergoes cellular phenotypic and functional alterations. At the cellular level, the synovial membrane is influenced by cartilage and subchondral bone cleavage fragments and extracellular matrix (ECM) degradation products from apoptotic and necrotic cells. These "foreign bodies" serve as danger-associated molecular patterns (DAMPs) that trigger innate immunity, eliciting and sustaining low-grade inflammation in the synovium. In this review, we explore the cellular and molecular communication networks established between the major joint compartments-the synovial membrane, cartilage, and subchondral bone of normal and OA-affected joints.
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Affiliation(s)
- Sofija Semenistaja
- Department of Doctoral Studies, Rīga Stradiņš University, LV-1007 Riga, Latvia
| | - Sandra Skuja
- Joint Laboratory of Electron Microscopy, Institute of Anatomy and Anthropology, Rīga Stradiņš University, LV-1007 Riga, Latvia
- Correspondence: ; Tel.: +371-673-20421
| | - Anda Kadisa
- Department of Internal Diseases, Rīga Stradiņš University, LV-1007 Riga, Latvia
| | - Valerija Groma
- Joint Laboratory of Electron Microscopy, Institute of Anatomy and Anthropology, Rīga Stradiņš University, LV-1007 Riga, Latvia
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28
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Sutherland TE, Dyer DP, Allen JE. The extracellular matrix and the immune system: A mutually dependent relationship. Science 2023; 379:eabp8964. [PMID: 36795835 DOI: 10.1126/science.abp8964] [Citation(s) in RCA: 88] [Impact Index Per Article: 88.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2022] [Accepted: 12/22/2022] [Indexed: 02/18/2023]
Abstract
For decades, immunologists have studied the role of circulating immune cells in host protection, with a more recent appreciation of immune cells resident within the tissue microenvironment and the intercommunication between nonhematopoietic cells and immune cells. However, the extracellular matrix (ECM), which comprises at least a third of tissue structures, remains relatively underexplored in immunology. Similarly, matrix biologists often overlook regulation of complex structural matrices by the immune system. We are only beginning to understand the scale at which ECM structures determine immune cell localization and function. Additionally, we need to better understand how immune cells dictate ECM complexity. This review aims to highlight the potential for biological discovery at the interface of immunology and matrix biology.
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Affiliation(s)
- Tara E Sutherland
- Wellcome Centre for Cell-Matrix Research, Lydia Becker Institute for Immunology & Infection, Faculty of Biology, Medicine and Health, Manchester Academic Health Science Center, University of Manchester, Manchester M13 9PT, UK
- School of Medicine, Medical Sciences and Dentistry, Institute of Medical Sciences, University of Aberdeen, Aberdeen AB25 2ZD, UK
| | - Douglas P Dyer
- Wellcome Centre for Cell-Matrix Research, Lydia Becker Institute for Immunology & Infection, Faculty of Biology, Medicine and Health, Manchester Academic Health Science Center, University of Manchester, Manchester M13 9PT, UK
- Geoffrey Jefferson Brain Research Centre, Manchester Academic Health Science Centre, Northern Care Alliance NHS Group, University of Manchester, Salford M6 8HD, UK
| | - Judith E Allen
- Wellcome Centre for Cell-Matrix Research, Lydia Becker Institute for Immunology & Infection, Faculty of Biology, Medicine and Health, Manchester Academic Health Science Center, University of Manchester, Manchester M13 9PT, UK
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Ronco C, Chawla L, Husain-Syed F, Kellum JA. Rationale for sequential extracorporeal therapy (SET) in sepsis. Crit Care 2023; 27:50. [PMID: 36750878 PMCID: PMC9904264 DOI: 10.1186/s13054-023-04310-2] [Citation(s) in RCA: 18] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2022] [Accepted: 01/07/2023] [Indexed: 02/09/2023] Open
Abstract
Sepsis and septic shock remain drivers for morbidity and mortality in critical illness. The clinical picture of patients presenting with these syndromes evolves rapidly and may be characterised by: (a) microbial host invasion, (b) establishment of an infection focus, (c) opsonisation of bacterial products (e.g. lipopolysaccharide), (d) recognition of pathogens resulting in an immune response, (e) cellular and humoral effects of circulating pathogen and pathogen products, (f) immunodysregulation and endocrine effects of cytokines, (g) endothelial and organ damage, and (h) organ crosstalk and multiple organ dysfunction. Each step may be a potential target for a specific therapeutic approach. At various stages, extracorporeal therapies may target circulating molecules for removal. In sequence, we could consider: (a) pathogen removal from the circulation with affinity binders and cartridges (specific), (b) circulating endotoxin removal by haemoperfusion with polymyxin B adsorbers (specific), (c) cytokine removal by haemoperfusion with sorbent cartridges or adsorbing membranes (non-specific), (d) extracorporeal organ support with different techniques for respiratory and cardiac support (CO2 removal or extracorporeal membrane oxygenation), and renal support (haemofiltration, haemodialysis, or ultrafiltration). The sequence of events and the use of different techniques at different points for specific targets will likely require trials with endpoints other than mortality. Instead, the primary objectives should be to achieve the desired action by using extracorporeal therapy at a specific point.
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Affiliation(s)
- Claudio Ronco
- International Renal Research Institute of Vicenza, IRRIV Foundation, Department of Nephrology, Dialysis and Transplantation, St. Bortolo Hospital, aULSS8 Berica, Via Rodolfi, 37, 36100, Vicenza, Italy.
- Department of Medicine (DIMED), University of Padua, Via Giustiniani, 2, 35128, Padua, Italy.
| | - Lakhmir Chawla
- Department of Medicine, Veterans Affairs Medical Center, 3350 La Jolla Village Dr, San Diego, CA, 92161, USA
| | - Faeq Husain-Syed
- Department of Internal Medicine II, University Hospital Giessen and Marburg, Justus-Liebig-University Giessen, Klinikstrasse 33, 35392 Giessen, Germany
- Division of Nephrology, University of Virginia School of Medicine, 1300 Jefferson Park Avenue, Charlottesville, VA, 22908, USA
| | - John A Kellum
- Center for Critical Care Nephrology, CRISMA, Department of Critical Care Medicine, University of Pittsburgh School of Medicine, 3550 Terrace Street, Pittsburgh, PA, 15261, USA
- Spectral Medical, 135 The West Mall, Unit 2, Toronto, M9C 1C2, Canada
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Vaxevanis CK, Bauer M, Subbarayan K, Friedrich M, Massa C, Biehl K, Al-Ali HK, Wickenhauser C, Seliger B. Biglycan as a mediator of proinflammatory response and target for MDS and sAML therapy. Oncoimmunology 2022; 12:2152998. [PMID: 36531688 PMCID: PMC9757483 DOI: 10.1080/2162402x.2022.2152998] [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] [Indexed: 12/23/2022] Open
Abstract
Myelodysplastic syndromes (MDS) and their progression to secondary acute myeloid leukemia (sAML) are associated with an altered protein expression including extracellular matrix (ECM) components thereby promoting an inflammatory environment. Since the role of the proteoglycan biglycan (BGN) as an inflammatory mediator has not yet been investigated in both diseases and might play a role in disease progression, its expression and/or function was determined in cell lines and bone marrow biopsies (BMBs) of MDS and sAML patients and subpopulations of MDS stem cells by Western blot and immunohistochemistry. The bone marrow (BM) microenvironment was analyzed by multispectral imaging, patients' survival by Cox regression. ROC curves were assessed for diagnostic value of BGN. All cell lines showed a strong BGN surface expression in contrast to only marginal expression levels in mononuclear cells and CD34+ cells from healthy donors. In the MDS-L cell line, CD34-CD33+ and CD34+CD33+ blast subpopulations exhibited a differential BGN surface detection. Increased BGN mediated inflammasome activity of CD34-CD33+TLR4+ cells was observed, which was inhibited by direct targeting of BGN or NLRP3. BGN was heterogeneously expressed in BMBs of MDS and sAML, but was not detected in control biopsies. BGN expression in BMBs positively correlated with MUM1+ and CD8+, but negatively with CD33+TLR4+ cell infiltration and was accompanied by a decreased progression-free survival of MDS patients. BGN-mediated inflammasome activation appears to be a crucial mechanism in MDS pathogenesis implicating its use as suitable biomarker and potential therapeutic target. Abbreviations: Ab, antibody; alloSCT, allogenic stem cell transplant; AML, acute myeloid leukemia; BGN, biglycan; BM, bone marrow; BMB, bone marrow biopsy; casp1, caspase 1; CTLA-4, cytotoxic T lymphocyte-associated protein 4; DAMP, danger-associated molecular pattern; ECM, extracellular matrix; FCS, fetal calf serum; GAPDH, glyceraldehyde-3-phosphate dehydrogenase; HD, healthy donor; HSPC, hematopoietic stem and progenitor cell; HSC, hematopoietic stem cell; IFN, interferon; IHC, immunohistochemistry; IL, interleukin; MDS, myelodysplastic syndrome; MPN, myeloproliferative neoplasm; MSI, multispectral imaging; NGS, next-generation sequencing; NLRP3, NLR family pyrin domain containing 3; OS, overall survival; PBMC, peripheral blood mononuclear cell; PD-1, programmed cell death protein 1; PD-L1, programmed death-ligand 1, PFS, progression-free survival; PRR, pattern recognition receptor; SC, stem cell; SLRP, small leucine-rich proteoglycan; TGF, transforming growth factor; TIRAP, toll/interleukin 1 receptor domain-containing adapter protein; TLR, toll-like receptor; Treg, regulatory T cell.
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Affiliation(s)
| | - Marcus Bauer
- Institute of Pathology, Martin Luther University Halle-Wittenberg, Halle (Saale)06112, Germany
| | | | - Michael Friedrich
- Medical Faculty, Martin Luther University Halle-Wittenberg, Halle (Saale)06112, Germany
| | - Chiara Massa
- Medical Faculty, Martin Luther University Halle-Wittenberg, Halle (Saale)06112, Germany
| | - Katharina Biehl
- Medical Faculty, Martin Luther University Halle-Wittenberg, Halle (Saale)06112, Germany
| | - Haifa Kathrin Al-Ali
- Krukenberg Cancer Center Halle, University Hospital Halle, Krukenberg-Krebszentrum, Halle (Saale)06120, Germany
| | - Claudia Wickenhauser
- Institute of Pathology, Martin Luther University Halle-Wittenberg, Halle (Saale)06112, Germany
| | - Barbara Seliger
- Medical Faculty, Martin Luther University Halle-Wittenberg, Halle (Saale)06112, Germany,Department of Good Manufacturing Practice (GMP) Development & Advanced Therapy Medicinal Products (ATMP) Design, Fraunhofer Institute for Cell Therapy and Immunology (IZI), Leipzig04103, Germany,Medical School Theodor Fontane, Institute of Translational Medicine, Brandenburg an der Havel14770, Germany,CONTACT Barbara Seliger Medical Faculty, Martin Luther University Halle-Wittenberg, Halle (Saale), 06112, Germany
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31
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RNA-Seq of Dermal Fibroblasts from Patients with Hypermobile Ehlers-Danlos Syndrome and Hypermobility Spectrum Disorders Supports Their Categorization as a Single Entity with Involvement of Extracellular Matrix Degrading and Proinflammatory Pathomechanisms. Cells 2022; 11:cells11244040. [PMID: 36552803 PMCID: PMC9777098 DOI: 10.3390/cells11244040] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2022] [Revised: 12/02/2022] [Accepted: 12/12/2022] [Indexed: 12/15/2022] Open
Abstract
Hypermobile Ehlers-Danlos syndrome (hEDS) and hypermobility spectrum disorders (HSD) are clinically overlapping connective tissue disorders of unknown etiology and without any validated diagnostic biomarker and specific therapies. Herein, we in-depth characterized the cellular phenotype and gene expression profile of hEDS and HSD dermal fibroblasts by immunofluorescence, amplicon-based RNA-seq, and qPCR. We demonstrated that both cell types show a common cellular trait, i.e., generalized extracellular matrix (ECM) disarray, myofibroblast differentiation, and dysregulated gene expression. Functional enrichment and pathway analyses clustered gene expression changes in different biological networks that are likely relevant for the disease pathophysiology. Specifically, the complex gene expression dysregulation (mainly involving growth factors, structural ECM components, ECM-modifying enzymes, cytoskeletal proteins, and different signal transducers), is expected to perturb many ECM-related processes including cell adhesion, migration, proliferation, and differentiation. Based on these findings, we propose a disease model in which an unbalanced ECM remodeling triggers a vicious cycle with a synergistic contribution of ECM degradation products and proinflammatory mediators leading to a functional impairment of different connective tissues reflecting the multisystemic presentation of hEDS/HSD patients. Our results offer many promising clues for translational research aimed to define molecular bases, diagnostic biomarkers, and specific therapies for these challenging connective tissue disorders.
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Gambari L, Cellamare A, Grassi F, Grigolo B, Panciera A, Ruffilli A, Faldini C, Desando G. Overview of Anti-Inflammatory and Anti-Nociceptive Effects of Polyphenols to Halt Osteoarthritis: From Preclinical Studies to New Clinical Insights. Int J Mol Sci 2022; 23:ijms232415861. [PMID: 36555503 PMCID: PMC9779856 DOI: 10.3390/ijms232415861] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2022] [Revised: 12/10/2022] [Accepted: 12/11/2022] [Indexed: 12/15/2022] Open
Abstract
Knee osteoarthritis (OA) is one of the most multifactorial joint disorders in adults. It is characterized by degenerative and inflammatory processes that are responsible for joint destruction, pain and stiffness. Despite therapeutic advances, the search for alternative strategies to target inflammation and pain is still very challenging. In this regard, there is a growing body of evidence for the role of several bioactive dietary molecules (BDMs) in targeting inflammation and pain, with promising clinical results. BDMs may be valuable non-pharmaceutical solutions to treat and prevent the evolution of early OA to more severe phenotypes, overcoming the side effects of anti-inflammatory drugs. Among BDMs, polyphenols (PPs) are widely studied due to their abundance in several plants, together with their benefits in halting inflammation and pain. Despite their biological relevance, there are still many questionable aspects (biosafety, bioavailability, etc.) that hinder their clinical application. This review highlights the mechanisms of action and biological targets modulated by PPs, summarizes the data on their anti-inflammatory and anti-nociceptive effects in different preclinical in vitro and in vivo models of OA and underlines the gaps in the knowledge. Furthermore, this work reports the preliminary promising results of clinical studies on OA patients treated with PPs and discusses new perspectives to accelerate the translation of PPs treatment into the clinics.
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Affiliation(s)
- Laura Gambari
- Laboratorio RAMSES, IRCCS Istituto Ortopedico Rizzoli, via di Barbiano 1/10, 40136 Bologna, Italy
| | - Antonella Cellamare
- Laboratorio RAMSES, IRCCS Istituto Ortopedico Rizzoli, via di Barbiano 1/10, 40136 Bologna, Italy
| | - Francesco Grassi
- Laboratorio RAMSES, IRCCS Istituto Ortopedico Rizzoli, via di Barbiano 1/10, 40136 Bologna, Italy
| | - Brunella Grigolo
- Laboratorio RAMSES, IRCCS Istituto Ortopedico Rizzoli, via di Barbiano 1/10, 40136 Bologna, Italy
| | - Alessandro Panciera
- 1st Orthopedic and Traumatology Clinic, IRCCS Istituto Ortopedico Rizzoli, via G.C. Pupilli 1, 40136 Bologna, Italy
| | - Alberto Ruffilli
- 1st Orthopedic and Traumatology Clinic, IRCCS Istituto Ortopedico Rizzoli, via G.C. Pupilli 1, 40136 Bologna, Italy
| | - Cesare Faldini
- 1st Orthopedic and Traumatology Clinic, IRCCS Istituto Ortopedico Rizzoli, via G.C. Pupilli 1, 40136 Bologna, Italy
| | - Giovanna Desando
- Laboratorio RAMSES, IRCCS Istituto Ortopedico Rizzoli, via di Barbiano 1/10, 40136 Bologna, Italy
- Correspondence: ; Tel.: +39-0516366803
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Peng Z, Lv X, Huang S. Recent Progress on the Role of Fibronectin in Tumor Stromal Immunity and Immunotherapy. Curr Top Med Chem 2022; 22:2494-2505. [PMID: 35708087 DOI: 10.2174/1568026622666220615152647] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2022] [Revised: 04/18/2022] [Accepted: 04/20/2022] [Indexed: 01/20/2023]
Abstract
As a major component of the stromal microenvironment of various solid tumors, the extracellular matrix (ECM) has attracted increasing attention in cancer-related studies. ECM in the tumor stroma not only provides an external barrier and framework for tumor cell adhesion and movement, but also acts as an active regulator that modulates the tumor microenvironment, including stromal immunity. Fibronectin (Fn), as a core component of the ECM, plays a key role in the assembly and remodeling of the ECM. Hence, understanding the role of Fn in the modulation of tumor stromal immunity is of great importance for cancer immunotherapy. Hence, in-depth studies on the underlying mechanisms of Fn in tumors are urgently needed to clarify the current understanding and issues and to identify new and specific targets for effective diagnosis and treatment purposes. In this review, we summarize the structure and role of Fn, its potent derivatives in tumor stromal immunity, and their biological effects and mechanisms in tumor development. In addition, we discuss the novel applications of Fn in tumor treatment. Therefore, this review can provide prospective insight into Fn immunotherapeutic applications in tumor treatment.
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Affiliation(s)
- Zheng Peng
- Faculty of Health Sciences, University of Macau, Macau SAR, China
| | - Xiaolan Lv
- Department of Laboratory Medicine, Liuzhou Maternity and Child Healthcare Hospital, Liuzhou, Guangxi, China
| | - Shigao Huang
- Department of Radiation Oncology, The First Affiliated Hospital, Air Force Medical University, Xi an, Shaan Xi, China
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34
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Promalignant effects of antiangiogenics in the tumor microenvironment. Semin Cancer Biol 2022; 86:199-206. [PMID: 35248730 DOI: 10.1016/j.semcancer.2022.03.003] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2021] [Revised: 03/02/2022] [Accepted: 03/02/2022] [Indexed: 02/07/2023]
Abstract
Antiangiogenic therapies are considered a promising strategy against solid tumors. Their aim is to inhibit the formation of new blood vasculature, thereby reducing the oxygen and nutrient supply to prevent further tumor growth and spreading. However, the strategy has seen limitations, as survival benefits are modest and often accompanied with increased tumor aggressiveness in form of invasion and metastasis. Antiangiogenic induced changes in the tumor microenvironment, such as hypoxia, mechanical stress or extracellular acidification can activate different receptors of tumoral and stromal cells and induce an extensive remodeling of the entire tumor microenvironment, with the overall goal to invade nearby tissues and regain access to the vasculature. In this regard, receptor tyrosine kinases have been studied intensively and especially the inhibition of c-Met has given promising results, characterized by a reduction in invasiveness and prolonged survival. Receptors that sense changes in the extracellular matrix like integrins or proteoglycans can also induce downstream signaling that stimulates the expression of remodeling factors such as new matrix components, enzymes or chemoattractants. Targeting multiple receptors and sensors of cancer cells simultaneously might represent an effective second line treatment that prevents the formation of malignant side effects.
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35
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Yang G, Kang HC, Cho YY, Lee HS, Lee JY. Inflammasomes and their roles in arthritic disease pathogenesis. Front Mol Biosci 2022; 9:1027917. [PMID: 36387275 PMCID: PMC9650081 DOI: 10.3389/fmolb.2022.1027917] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2022] [Accepted: 10/17/2022] [Indexed: 11/14/2023] Open
Abstract
The inflammasome is a molecular platform that is created in the cytosolic compartment to mediate the host immunological response to cellular injury and infection. Caspase-1 may be activated by the inflammasome, which leads to the generation of the inflammatory cytokines interleukin-1β (IL-1β) and IL-18 and the beginning of pyroptosis, which is a type of proinflammatory cell death. Scientists have identified a number of different inflammasomes in the last 2 decades. The NLRP3 inflammasome has been studied the most, and its activity may be triggered by a broad range of different inducers. However, activation of the NLRP3 inflammasome in a manner that is not properly controlled is also a factor in the etiology of many human illnesses. Accumulating evidence indicates that the NLRP3 inflammasome plays a significant role in the innate and adaptive immune systems and the development of various arthritic illnesses, such as rheumatoid arthritis, ankylosing spondylitis, and gout. The present review provides a concise summary of the biological properties of the NLRP3 inflammasome and presents the fundamental processes behind its activation and control. We discuss the role of the inflammasome in the pathogenesis of arthritic diseases, such as rheumatoid arthritis, ankylosing spondylitis, and gout, and the potential of newly developed therapies that specifically target the inflammasome or its products for the treatment of inflammatory diseases, with a particular emphasis on treatment and clinical application.
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Affiliation(s)
- Gabsik Yang
- Department of Pharmacology, College of Korean Medicine, Woosuk University, Jeonju, South Korea
| | - Han Chang Kang
- College of Pharmacy, The Catholic University of Korea, Seoul, South Korea
| | - Yong-Yeon Cho
- College of Pharmacy, The Catholic University of Korea, Seoul, South Korea
| | - Hye Suk Lee
- College of Pharmacy, The Catholic University of Korea, Seoul, South Korea
| | - Joo Young Lee
- College of Pharmacy, The Catholic University of Korea, Seoul, South Korea
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36
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Immunopathogenesis of Sjogren's syndrome: Current state of DAMPs. Semin Arthritis Rheum 2022; 56:152062. [DOI: 10.1016/j.semarthrit.2022.152062] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2022] [Revised: 06/17/2022] [Accepted: 06/29/2022] [Indexed: 11/22/2022]
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Poulis N, Martin M, Hoerstrup SP, Emmert MY, Fioretta ES. Macrophage-extracellular matrix interactions: Perspectives for tissue engineered heart valve remodeling. Front Cardiovasc Med 2022; 9:952178. [PMID: 36176991 PMCID: PMC9513146 DOI: 10.3389/fcvm.2022.952178] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2022] [Accepted: 08/15/2022] [Indexed: 11/16/2022] Open
Abstract
In situ heart valve tissue engineering approaches have been proposed as promising strategies to overcome the limitations of current heart valve replacements. Tissue engineered heart valves (TEHVs) generated from in vitro grown tissue engineered matrices (TEMs) aim at mimicking the microenvironmental cues from the extracellular matrix (ECM) to favor integration and remodeling of the implant. A key role of the ECM is to provide mechanical support to and attract host cells into the construct. Additionally, each ECM component plays a critical role in regulating cell adhesion, growth, migration, and differentiation potential. Importantly, the immune response to the implanted TEHV is also modulated biophysically via macrophage-ECM protein interactions. Therefore, the aim of this review is to summarize what is currently known about the interactions and signaling networks occurring between ECM proteins and macrophages, and how these interactions may impact the long-term in situ remodeling outcomes of TEMs. First, we provide an overview of in situ tissue engineering approaches and their clinical relevance, followed by a discussion on the fundamentals of the remodeling cascades. We then focus on the role of circulation-derived and resident tissue macrophages, with particular emphasis on the ramifications that ECM proteins and peptides may have in regulating the host immune response. Finally, the relevance of these findings for heart valve tissue engineering applications is discussed.
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Affiliation(s)
- Nikolaos Poulis
- Institute for Regenerative Medicine, University of Zurich, Schlieren, Switzerland
| | - Marcy Martin
- Institute for Regenerative Medicine, University of Zurich, Schlieren, Switzerland
| | - Simon P. Hoerstrup
- Institute for Regenerative Medicine, University of Zurich, Schlieren, Switzerland
- Wyss Zurich, University and Swiss Federal Institute of Technology (ETH) Zurich, Zurich, Switzerland
| | - Maximilian Y. Emmert
- Institute for Regenerative Medicine, University of Zurich, Schlieren, Switzerland
- Wyss Zurich, University and Swiss Federal Institute of Technology (ETH) Zurich, Zurich, Switzerland
- Department of Cardiovascular Surgery, Charité Universitätsmedizin Berlin, Berlin, Germany
- Department of Cardiothoracic and Vascular Surgery, German Heart Center Berlin, Berlin, Germany
- *Correspondence: Maximilian Y. Emmert, ,
| | - Emanuela S. Fioretta
- Institute for Regenerative Medicine, University of Zurich, Schlieren, Switzerland
- Emanuela S. Fioretta,
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Abstract
Calcific aortic valve disease (CAVD) is common in people over the age of 65. Progressive valvular calcification is a characteristic of CAVD and due to chronic inflammation in aortic valve interstitial cells (AVICs) resulting in CAVD progression. IL-38 is a naturally occurring anti-inflammatory cytokine; here, we report lower levels of endogenous IL-38 in AVICs isolated from patients' CAVD valves compared to AVICs from non-CAVD valves. Recombinant IL-38 suppressed spontaneous inflammatory activity and calcium deposition in cultured AVICs. In mice, knockdown of IL-38 enhanced the production of inflammatory mediators in murine AVICs exposed to the proinflammatory stimulant matrilin-2. We also observed that in cultured AVICs matrilin-2 stimulation activated the NOD-, LRR-, and pyrin domain-containing protein 3 (NLRP3) inflammasome with procaspase-1 cleavage into active caspase-1. The addition of IL-38 to matrilin-2-treated AVICs suppressed caspase-1 activation and reduced the expression of intercellular adhesion molecule-1, vascular cell adhesion molecule-1, runt-related transcription factor 2, and alkaline phosphatase. Aged IL-38-deficient mice fed a high-fat diet exhibited aortic valve lesions compared to aged wild-type mice fed the same diet. The interleukin-1 receptor 9 (IL-1R9) is the putative receptor mediating the anti-inflammatory properties of IL-38; we observed that IL-1R9-deficient mice exhibited spontaneous aortic valve thickening and greater calcium deposition in AVICs compared to wild-type mice. These data demonstrate that IL-38 suppresses spontaneous and stimulated osteogenic activity in aortic valve via inhibition of the NLRP3 inflammasome and caspase-1. The findings of this study suggest that IL-38 has therapeutic potential for prevention of CAVD progression.
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Li X, Feng S, Xuan X, Wang H, Shen X, Chen Y, Fu Y, Bai Z, Li W. A proteomic approach reveals biomineralization and immune response for mantle to pearl sac in the freshwater pearl mussel (Hyriopsis cumingii). FISH & SHELLFISH IMMUNOLOGY 2022; 127:788-796. [PMID: 35798247 DOI: 10.1016/j.fsi.2022.06.057] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/15/2022] [Revised: 06/23/2022] [Accepted: 06/27/2022] [Indexed: 06/15/2023]
Abstract
In the process of production of freshwater pearl, implanted mantle pieces undergo a series of complex physiological and biochemical processes to form pearl sac, which produce pearl. This is a very important site of occurrence due to immune-induced biomineralization, while its molecular regulatory mechanism is still unclear. Here, we use proteomics to identify differentially expressed proteins (DEPs) of the mantle and pearl sac and examine the biomineralization and immune response of the pearl sac formation process in Hyriopsis cumingii. Using iTRAQ technology and bioinformatics analysis, we obtained DEP profiles between the mantle and pearl sac. A total of 1871 proteins were identified. Of these, 74 DEPs were found between the pearl sac and outer mantle, 112 DEPs between the pearl sac and inner mantle, and 124 DEPs between the outer and inner mantles. Bioinformatics analysis revealed that the screened biomineralization-related DEPs were mainly enriched in signaling pathways associated with calcium signaling, regulation of the actin cytoskeleton and protein processing in the endoplasmic reticulum, while the immune-related DEPs were mainly enriched in the Notch, Hippo, nuclear factor kappa-B (NF-κB), and transforming growth factor-β (TGF-β) signaling pathways. In addition, the expression of six biomineralization-related and four immune-related proteins were verified at the transcriptional level using quantitative real-time PCR. Our findings contribute to furthering the understanding of the mechanisms of pearl formation and immune response, and have long-term implications for future studies on the production of high-quality freshwater pearls and development of the freshwater pearl industry.
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Affiliation(s)
- Xuenan Li
- Key Laboratory of Freshwater Aquatic Genetic Resources, Ministry of Agriculture and Rural Affairs, Shanghai Ocean University, Shanghai, 201306, China; Shanghai Collaborative Innovation for Aquatic Animal Genetics and Breeding, Shanghai, 201306, China
| | - Shangle Feng
- Key Laboratory of Freshwater Aquatic Genetic Resources, Ministry of Agriculture and Rural Affairs, Shanghai Ocean University, Shanghai, 201306, China; Shanghai Collaborative Innovation for Aquatic Animal Genetics and Breeding, Shanghai, 201306, China
| | - Xingrong Xuan
- Key Laboratory of Freshwater Aquatic Genetic Resources, Ministry of Agriculture and Rural Affairs, Shanghai Ocean University, Shanghai, 201306, China; Shanghai Collaborative Innovation for Aquatic Animal Genetics and Breeding, Shanghai, 201306, China
| | - He Wang
- Key Laboratory of Freshwater Aquatic Genetic Resources, Ministry of Agriculture and Rural Affairs, Shanghai Ocean University, Shanghai, 201306, China; Shanghai Collaborative Innovation for Aquatic Animal Genetics and Breeding, Shanghai, 201306, China
| | - Xiaoya Shen
- Key Laboratory of Freshwater Aquatic Genetic Resources, Ministry of Agriculture and Rural Affairs, Shanghai Ocean University, Shanghai, 201306, China; Shanghai Collaborative Innovation for Aquatic Animal Genetics and Breeding, Shanghai, 201306, China
| | - Yige Chen
- Key Laboratory of Freshwater Aquatic Genetic Resources, Ministry of Agriculture and Rural Affairs, Shanghai Ocean University, Shanghai, 201306, China; Shanghai Collaborative Innovation for Aquatic Animal Genetics and Breeding, Shanghai, 201306, China
| | - Yuanshuai Fu
- Key Laboratory of Freshwater Aquatic Genetic Resources, Ministry of Agriculture and Rural Affairs, Shanghai Ocean University, Shanghai, 201306, China; Shanghai Collaborative Innovation for Aquatic Animal Genetics and Breeding, Shanghai, 201306, China; Shanghai Engineering Research Center of Aquaculture, Shanghai Ocean University, Shanghai, 201306, China
| | - Zhiyi Bai
- Key Laboratory of Freshwater Aquatic Genetic Resources, Ministry of Agriculture and Rural Affairs, Shanghai Ocean University, Shanghai, 201306, China; Shanghai Collaborative Innovation for Aquatic Animal Genetics and Breeding, Shanghai, 201306, China; Shanghai Engineering Research Center of Aquaculture, Shanghai Ocean University, Shanghai, 201306, China.
| | - Wenjuan Li
- Key Laboratory of Freshwater Aquatic Genetic Resources, Ministry of Agriculture and Rural Affairs, Shanghai Ocean University, Shanghai, 201306, China; Shanghai Collaborative Innovation for Aquatic Animal Genetics and Breeding, Shanghai, 201306, China; Shanghai Engineering Research Center of Aquaculture, Shanghai Ocean University, Shanghai, 201306, China.
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40
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Alomar FA, Alshakhs MN, Abohelaika S, Almarzouk HM, Almualim M, Al-Ali AK, Al-Muhanna F, Alomar MF, Alhaddad MJ, Almulaify MS, Alessa FS, Alsalman AS, Alaswad A, Bidasee SR, Alsaad HA, Alali RA, AlSheikh MH, Akhtar MS, Al Mohaini M, Alsalman AJ, Alturaifi H, Bidasee KR. Elevated plasma level of the glycolysis byproduct methylglyoxal on admission is an independent biomarker of mortality in ICU COVID-19 patients. Sci Rep 2022; 12:9510. [PMID: 35680931 PMCID: PMC9178541 DOI: 10.1038/s41598-022-12751-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2021] [Accepted: 05/03/2022] [Indexed: 01/17/2023] Open
Abstract
Biomarkers to identify ICU COVID-19 patients at high risk for mortality are urgently needed for therapeutic care and management. Here we found plasma levels of the glycolysis byproduct methylglyoxal (MG) were 4.4-fold higher in ICU patients upon admission that later died (n = 33), and 1.7-fold higher in ICU patients that survived (n = 32),compared to uninfected controls (n = 30). The increased MG in patients that died correlated inversely with the levels of the MG-degrading enzyme glyoxalase-1 (r2 = - 0.50), and its co-factor glutathione (r2 = - 0.63), and positively with monocytes (r2 = 0.29). The inflammation markers, SSAO (r2 = 0.52), TNF-α (r2 = 0.41), IL-1β (r2 = 0.25), CRP (r2 = 0.26) also correlated positively with MG. Logistic regression analysis provides evidence of a significant relationship between the elevated MG upon admission into ICU and death (P < 0.0001), with 42% of the death variability explained. From these data we conclude that elevated plasma MG on admission is a novel independent biomarker that predicts mortality in ICU COVID-19 patients.
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Affiliation(s)
- Fadhel A Alomar
- Department of Pharmacology and Toxicology, College of Clinical Pharmacy, Imam Abdulrahman Bin Faisal University, P. O. Box 1982, Dammam, 31441, Saudi Arabia.
| | - Marai N Alshakhs
- Department of Internal Medicine, Dammam Medical Complex, Dammam, Saudi Arabia
| | - Salah Abohelaika
- Clinical Pharmacology Department, Qatif Central Hospital, Ministry of Health, Qatif, Saudi Arabia
| | - Hassan M Almarzouk
- Department of Internal Medicine, Dammam Medical Complex, Dammam, Saudi Arabia
| | - Mohammed Almualim
- Intenstive Care Unit, Qatif Central Hospital, Ministry of Health, Qatif, Saudi Arabia
| | - Amein K Al-Ali
- College of Medicine, Imam Abdulrahman Bin Faisal University, Dammam, Saudi Arabia
| | - Fahad Al-Muhanna
- College of Medicine, Imam Abdulrahman Bin Faisal University, Dammam, Saudi Arabia
| | - Mohammed F Alomar
- College of Medicine, Imam Abdulrahman Bin Faisal University, Dammam, Saudi Arabia
| | - Mousa J Alhaddad
- Department of Internal Medicine, Dammam Medical Complex, Dammam, Saudi Arabia
| | | | - Faisal S Alessa
- Department of Internal Medicine, Dammam Medical Complex, Dammam, Saudi Arabia
| | - Ahmed S Alsalman
- Department of Internal Medicine, Dammam Medical Complex, Dammam, Saudi Arabia
| | - Ahmed Alaswad
- Clinical Pharmacology Department, Qatif Central Hospital, Ministry of Health, Qatif, Saudi Arabia
| | - Sean R Bidasee
- Departments of Pharmacology and Experimental Neuroscience, University of Nebraska Medical Center, Omaha, NE, USA
| | - Hassan A Alsaad
- Department of Pharmacology and Toxicology, College of Clinical Pharmacy, Imam Abdulrahman Bin Faisal University, P. O. Box 1982, Dammam, 31441, Saudi Arabia
| | - Rudaynah A Alali
- College of Medicine, Imam Abdulrahman Bin Faisal University, Dammam, Saudi Arabia
| | - Mona H AlSheikh
- College of Medicine, Imam Abdulrahman Bin Faisal University, Dammam, Saudi Arabia
| | - Mohammed S Akhtar
- College of Medicine, Imam Abdulrahman Bin Faisal University, Dammam, Saudi Arabia
| | - Mohammed Al Mohaini
- Basic Sciences Department, College of Applied Medical Sciences, King Saud Bin Abdulaziz University for Health Sciences and King Abdullah International Medical Research Center, Al Ahsa, 31982, Saudi Arabia
| | - Abdulkhaliq J Alsalman
- Department of Clinical Pharmacy, Faculty of Pharmacy, Northern Border University, Rafha, Saudi Arabia
| | | | - Keshore R Bidasee
- Departments of Pharmacology and Experimental Neuroscience, University of Nebraska Medical Center, Omaha, NE, USA.
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Zhan B, Shen J. Mitochondria and their potential role in acute lung injury (Review). Exp Ther Med 2022; 24:479. [PMID: 35761815 PMCID: PMC9214601 DOI: 10.3892/etm.2022.11406] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2022] [Accepted: 05/16/2022] [Indexed: 11/06/2022] Open
Affiliation(s)
- Biao Zhan
- Center of Emergency and Critical Medicine, Jinshan Hospital of Fudan University, Shanghai 201508, P.R. China
| | - Jie Shen
- Center of Emergency and Critical Medicine, Jinshan Hospital of Fudan University, Shanghai 201508, P.R. China
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Tang F, Brune JE, Chang MY, Reeves SR, Altemeier WA, Frevert CW. Defining the Versican Interactome in Lung Health and Disease. Am J Physiol Cell Physiol 2022; 323:C249-C276. [PMID: 35649251 PMCID: PMC9291419 DOI: 10.1152/ajpcell.00162.2022] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
The extracellular matrix (ECM) imparts critical mechanical and biochemical information to cells in the lungs. Proteoglycans are essential constituents of the ECM and play a crucial role in controlling numerous biological processes, including regulating cellular phenotype and function. Versican, a chondroitin sulfate proteoglycan required for embryonic development, is almost absent from mature, healthy lungs and is re-expressed and accumulates in acute and chronic lung disease. Studies using genetically engineered mice show that the versican-enriched matrix can be pro- or anti-inflammatory depending on the cellular source or disease process studied. The mechanisms whereby versican develops a contextual ECM remain largely unknown. The primary goal of this review is to provide an overview of the interaction of versican with its many binding partners, the "versican interactome," and how through these interactions, versican is an integrator of complex extracellular information. Hopefully, the information provided in this review will be used to develop future studies to determine how versican and its binding partners can develop contextual ECMs that control select biological processes. While this review focuses on versican and the lungs, what is described can be extended to other proteoglycans, tissues, and organs.
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Affiliation(s)
- Fengying Tang
- Center for Lung Biology, the University of Washington at South Lake Union, Seattle, WA, United States.,Department of Comparative Medicine, University of Washington, Seattle, WA, United States
| | - Jourdan E Brune
- Center for Lung Biology, the University of Washington at South Lake Union, Seattle, WA, United States.,Department of Comparative Medicine, University of Washington, Seattle, WA, United States
| | - Mary Y Chang
- Center for Lung Biology, the University of Washington at South Lake Union, Seattle, WA, United States.,Department of Comparative Medicine, University of Washington, Seattle, WA, United States
| | - Stephen R Reeves
- Center for Immunity and Immunotherapies, Seattle Children's Research Institute, Seattle, WA, United States.,Division of Pulmonary and Sleep Medicine, Department of Pediatrics, University of Washington, Seattle, WA, United States
| | - William A Altemeier
- Center for Lung Biology, the University of Washington at South Lake Union, Seattle, WA, United States.,ivision of Pulmonary, Critical Care and Sleep Medicine, Department of Medicine, University of Washington, Seattle, WA, United States
| | - Charles W Frevert
- Center for Lung Biology, the University of Washington at South Lake Union, Seattle, WA, United States.,Department of Comparative Medicine, University of Washington, Seattle, WA, United States.,ivision of Pulmonary, Critical Care and Sleep Medicine, Department of Medicine, University of Washington, Seattle, WA, United States
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43
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Macrophage NOX2 NADPH oxidase maintains alveolar homeostasis in mice. Blood 2022; 139:2855-2870. [PMID: 35357446 PMCID: PMC9101249 DOI: 10.1182/blood.2021015365] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2022] [Accepted: 03/02/2022] [Indexed: 12/20/2022] Open
Abstract
The leukocyte NADPH oxidase 2 (NOX2) plays a key role in pathogen killing and immunoregulation. Genetic defects in NOX2 result in chronic granulomatous disease (CGD), associated with microbial infections and inflammatory disorders, often involving the lung. Alveolar macrophages (AMs) are the predominant immune cell in the airways at steady state, and limiting their activation is important, given the constant exposure to inhaled materials, yet the importance of NOX2 in this process is not well understood. In this study, we showed a previously undescribed role for NOX2 in maintaining lung homeostasis by suppressing AM activation, in CGD mice or mice with selective loss of NOX2 preferentially in macrophages. AMs lacking NOX2 had increased cytokine responses to Toll-like receptor-2 (TLR2) and TLR4 stimulation ex vivo. Moreover, between 4 and 12 week of age, mice with global NOX2 deletion developed an activated CD11bhigh subset of AMs with epigenetic and transcriptional profiles reflecting immune activation compared with WT AMs. The presence of CD11bhigh AMs in CGD mice correlated with an increased number of alveolar neutrophils and proinflammatory cytokines at steady state and increased lung inflammation after insults. Moreover, deletion of NOX2 preferentially in macrophages was sufficient for mice to develop an activated CD11bhigh AM subset and accompanying proinflammatory sequelae. In addition, we showed that the altered resident macrophage transcriptional profile in the absence of NOX2 is tissue specific, as those changes were not seen in resident peritoneal macrophages. Thus, these data demonstrate that the absence of NOX2 in alveolar macrophages leads to their proinflammatory remodeling and dysregulates alveolar homeostasis.
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Gao R, Tang J, Dong Y, Ming B, Yu Z, Zhong J, Dong L. The Aberrant Levels of Decorin Induce Damages of Human Salivary Gland Epithelial Cells and Polarization of Macrophages. Mod Rheumatol 2022; 33:557-565. [PMID: 35438773 DOI: 10.1093/mr/roac034] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2021] [Revised: 03/31/2022] [Accepted: 04/14/2022] [Indexed: 11/13/2022]
Abstract
OBJECTIVE This study aimed to preliminarily address the levels of decorin (DCN, a critical component of extracellular matrix), and its potential roles in primary sjögren's syndrome (pSS). METHODS DCN levels were determined in the salivary glands of experimental SS (ESS) mice and pSS patients by RNA sequencing, bioinformatics analysis, or immunohistochemical (IHC) staining. Its correlation with interested genes and co-localization with a putative receptor was studied in pSS patients. In addition, its potential roles on salivary gland epithelium and macrophages were tested by exogenous administration to corresponding cell lines, followed by the evaluation of apoptosis using flow cytometry or cytokines expression using quantitative real time PCR. RESULTS Our data revealed a significant elevation of DCN in the salivary glands of experimental SS (ESS) mice model and pSS patients. In addition, the bioinformatics analysis of DCN in GSE40611 (RNA-seq, parotid glands) dataset displayed an elevation of DCN level in the parotid glands of pSS patients that positively correlated with several chemokines (CXCL13, CXCL9, CCL20), IL-1ß, and caspase3 but negatively correlated with the proliferation relative gene MKI67. The stimulatory effects of DCN on the salivary gland epithelial cells (A253 cell line) and macrophages have been determined as they are considered active participants in the progression of SS. The data showed that DCN induced apoptosis of A253 cells and polarization of macrophages toward the M1 phenotype, characterized by the expression of pro-inflammatory cytokines. CONCLUSION Our study provided preliminary evidence to understand the clinical significance of DCN in pSS and broadened our horizons in understanding the mechanism of pSS.
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Affiliation(s)
- Rongfen Gao
- Department of Rheumatology and Immunolog, Tongji Hospitaly, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Jungen Tang
- Department of Rheumatology and Immunolog, Tongji Hospitaly, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Yuanji Dong
- Department of Rheumatology and Immunolog, Tongji Hospitaly, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Bingxia Ming
- Department of Rheumatology and Immunolog, Tongji Hospitaly, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Zhihua Yu
- Department of Pathology, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Jixin Zhong
- Department of Rheumatology and Immunolog, Tongji Hospitaly, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Lingli Dong
- Department of Rheumatology and Immunolog, Tongji Hospitaly, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
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45
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Gupta A, Burgess JK, Borghuis T, de Vries MP, Kuipers J, Permentier HP, Bischoff R, Slebos DJ, Pouwels SD. Identification of damage associated molecular patterns and extracellular matrix proteins as major constituents of the surface proteome of lung implantable silicone/nitinol devices. Acta Biomater 2022; 141:209-218. [PMID: 35038586 DOI: 10.1016/j.actbio.2022.01.016] [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: 09/29/2021] [Revised: 12/23/2021] [Accepted: 01/07/2022] [Indexed: 11/15/2022]
Abstract
Lung implantable devices have been widely adopted as mechanical interventions for a wide variety of pulmonary pathologies. Despite successful initial treatment, long-term efficacy can often be impacted by fibrotic or granulation tissue formation at the implant sites. This study aimed to explore the lung-device interface by identifying the adhered proteome on lung devices explanted from patients with severe emphysema. In this study, scanning electron microscopy is used to visualize the adhesion of cells and proteins to silicone and nitinol surfaces of explanted endobronchial valves. By applying high-resolution mass-spectrometry, the surface proteome of eight explanted valves is characterized, identifying 263 unique protein species to be mutually adsorbed on the valves. This subset is subjected to gene enrichment analysis, matched with known databases and further validated using immunohistochemistry. Enrichment analyses reveal dominant clusters of functionally-related ontology terms associated with coagulation, pattern recognition receptor signaling, immune responses, cytoskeleton organization, cell adhesion and migration. Matching results show that extracellular matrix proteins and damage-associated molecular patterns are cardinal in the formation of the surface proteome. This is the first study investigating the composition of the adhered proteome on explanted lung devices, setting the groundwork for hypothesis generation and further exploration. STATEMENT OF SIGNIFICANCE: This is the first study investigating the composition of the adhered proteome on explanted lung devices. Lung implantable devices have been widely adopted as mechanical interventions for pulmonary pathologies. Despite successful initial treatment, long-term efficacy can often be impacted by fibrotic or granulation tissue formation around the implant sites. We identified the adhered proteome on explanted lung devices using several techniques. We identified 263 unique protein species to be mutually adsorbed on explanted lung devices. Pathway analyses revealed that these proteins are associated with coagulation, pattern recognition receptor signaling, immune responses, cytoskeleton organization, cell adhesion and migration. Furthermore, we identified that especially extracellular matrix proteins and damage-associated molecular patterns were cardinal in the formation of the surface proteome.
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Affiliation(s)
- Akash Gupta
- University of Groningen, University Medical Center Groningen, Department of Pulmonology, Groningen, the Netherlands; University of Groningen, University Medical Center Groningen, Department of Pathology & Medical Biology, Groningen, the Netherlands; University of Groningen, University Medical Center Groningen, Groningen Research Institute for Asthma and COPD (GRIAC), Groningen, the Netherlands
| | - Janette K Burgess
- University of Groningen, University Medical Center Groningen, Department of Pathology & Medical Biology, Groningen, the Netherlands; University of Groningen, University Medical Center Groningen, Groningen Research Institute for Asthma and COPD (GRIAC), Groningen, the Netherlands
| | - Theo Borghuis
- University of Groningen, University Medical Center Groningen, Department of Pathology & Medical Biology, Groningen, the Netherlands
| | - Marcel P de Vries
- Department of Analytical Biochemistry and Interfaculty Mass Spectrometry Center, Groningen Research Institute of Pharmacy, University of Groningen, Groningen, the Netherlands
| | - Jeroen Kuipers
- Department of Biomedical Sciences of Cells and Systems, University of Groningen, University Medical Center Groningen, Groningen, the Netherlands
| | - Hjalmar P Permentier
- Department of Analytical Biochemistry and Interfaculty Mass Spectrometry Center, Groningen Research Institute of Pharmacy, University of Groningen, Groningen, the Netherlands
| | - Rainer Bischoff
- Department of Analytical Biochemistry and Interfaculty Mass Spectrometry Center, Groningen Research Institute of Pharmacy, University of Groningen, Groningen, the Netherlands
| | - Dirk-Jan Slebos
- University of Groningen, University Medical Center Groningen, Department of Pulmonology, Groningen, the Netherlands; University of Groningen, University Medical Center Groningen, Groningen Research Institute for Asthma and COPD (GRIAC), Groningen, the Netherlands
| | - Simon D Pouwels
- University of Groningen, University Medical Center Groningen, Department of Pulmonology, Groningen, the Netherlands; University of Groningen, University Medical Center Groningen, Department of Pathology & Medical Biology, Groningen, the Netherlands; University of Groningen, University Medical Center Groningen, Groningen Research Institute for Asthma and COPD (GRIAC), Groningen, the Netherlands.
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46
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Mahaling B, Low SWY, Beck M, Kumar D, Ahmed S, Connor TB, Ahmad B, Chaurasia SS. Damage-Associated Molecular Patterns (DAMPs) in Retinal Disorders. Int J Mol Sci 2022; 23:ijms23052591. [PMID: 35269741 PMCID: PMC8910759 DOI: 10.3390/ijms23052591] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2022] [Revised: 02/22/2022] [Accepted: 02/25/2022] [Indexed: 12/13/2022] Open
Abstract
Damage-associated molecular patterns (DAMPs) are endogenous danger molecules released from the extracellular and intracellular space of damaged tissue or dead cells. Recent evidence indicates that DAMPs are associated with the sterile inflammation caused by aging, increased ocular pressure, high glucose, oxidative stress, ischemia, mechanical trauma, stress, or environmental conditions, in retinal diseases. DAMPs activate the innate immune system, suggesting their role to be protective, but may promote pathological inflammation and angiogenesis in response to the chronic insult or injury. DAMPs are recognized by specialized innate immune receptors, such as receptors for advanced glycation end products (RAGE), toll-like receptors (TLRs) and the NOD-like receptor family (NLRs), and purine receptor 7 (P2X7), in systemic diseases. However, studies describing the role of DAMPs in retinal disorders are meager. Here, we extensively reviewed the role of DAMPs in retinal disorders, including endophthalmitis, uveitis, glaucoma, ocular cancer, ischemic retinopathies, diabetic retinopathy, age-related macular degeneration, rhegmatogenous retinal detachment, proliferative vitreoretinopathy, and inherited retinal disorders. Finally, we discussed DAMPs as biomarkers, therapeutic targets, and therapeutic agents for retinal disorders.
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Affiliation(s)
- Binapani Mahaling
- Ocular Immunology and Angiogenesis Lab, Department of Ophthalmology and Visual Sciences, Froedtert and MCW Eye Institute, Medical College of Wisconsin, Milwaukee, WI 53226, USA; (B.M.); (S.W.Y.L.); (M.B.); (D.K.); (S.A.); (T.B.C.); (B.A.)
| | - Shermaine W. Y. Low
- Ocular Immunology and Angiogenesis Lab, Department of Ophthalmology and Visual Sciences, Froedtert and MCW Eye Institute, Medical College of Wisconsin, Milwaukee, WI 53226, USA; (B.M.); (S.W.Y.L.); (M.B.); (D.K.); (S.A.); (T.B.C.); (B.A.)
| | - Molly Beck
- Ocular Immunology and Angiogenesis Lab, Department of Ophthalmology and Visual Sciences, Froedtert and MCW Eye Institute, Medical College of Wisconsin, Milwaukee, WI 53226, USA; (B.M.); (S.W.Y.L.); (M.B.); (D.K.); (S.A.); (T.B.C.); (B.A.)
| | - Devesh Kumar
- Ocular Immunology and Angiogenesis Lab, Department of Ophthalmology and Visual Sciences, Froedtert and MCW Eye Institute, Medical College of Wisconsin, Milwaukee, WI 53226, USA; (B.M.); (S.W.Y.L.); (M.B.); (D.K.); (S.A.); (T.B.C.); (B.A.)
| | - Simrah Ahmed
- Ocular Immunology and Angiogenesis Lab, Department of Ophthalmology and Visual Sciences, Froedtert and MCW Eye Institute, Medical College of Wisconsin, Milwaukee, WI 53226, USA; (B.M.); (S.W.Y.L.); (M.B.); (D.K.); (S.A.); (T.B.C.); (B.A.)
| | - Thomas B. Connor
- Ocular Immunology and Angiogenesis Lab, Department of Ophthalmology and Visual Sciences, Froedtert and MCW Eye Institute, Medical College of Wisconsin, Milwaukee, WI 53226, USA; (B.M.); (S.W.Y.L.); (M.B.); (D.K.); (S.A.); (T.B.C.); (B.A.)
- Vitreoretinal Surgery, Froedtert and MCW Eye Institute, Medical College of Wisconsin, Milwaukee, WI 53226, USA
| | - Baseer Ahmad
- Ocular Immunology and Angiogenesis Lab, Department of Ophthalmology and Visual Sciences, Froedtert and MCW Eye Institute, Medical College of Wisconsin, Milwaukee, WI 53226, USA; (B.M.); (S.W.Y.L.); (M.B.); (D.K.); (S.A.); (T.B.C.); (B.A.)
- Vitreoretinal Surgery, Froedtert and MCW Eye Institute, Medical College of Wisconsin, Milwaukee, WI 53226, USA
| | - Shyam S. Chaurasia
- Ocular Immunology and Angiogenesis Lab, Department of Ophthalmology and Visual Sciences, Froedtert and MCW Eye Institute, Medical College of Wisconsin, Milwaukee, WI 53226, USA; (B.M.); (S.W.Y.L.); (M.B.); (D.K.); (S.A.); (T.B.C.); (B.A.)
- Department of Cell Biology, Neurobiology and Anatomy, Medical College of Wisconsin, Milwaukee, WI 53226, USA
- Correspondence: ; Tel.: +1-414-955-2050
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Cheng CF, Liao HJ, Wu CS. Tissue microenvironment dictates inflammation and disease activity in rheumatoid arthritis. J Formos Med Assoc 2022; 121:1027-1033. [PMID: 35144834 DOI: 10.1016/j.jfma.2022.01.026] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2021] [Revised: 01/08/2022] [Accepted: 01/23/2022] [Indexed: 12/12/2022]
Abstract
The recent advance in treatments for rheumatoid arthritis (RA) has significantly improved the prognosis of RA patients. However, these novel therapies do not work well for all RA patients. The unmet need suggests that the current understanding about how inflammatory response arises and progresses in RA is limited. Recent accumulating evidence reveals an important role for the tissue microenvironment in the pathogenesis of RA. The synovium, the main tissue where the RA activity occurs, is composed by a unique extracellular matrix (ECM) and residing cells. The ECM molecules provide environmental signals that determine programmed site-specific cell behavior. Improved understanding of the tissue microenvironment, especially how the synovial architecture, ECM molecules, and site-specific cell behavior promote chronic inflammation and tissue destruction, will enhance deciphering the pathogenesis of RA. Moreover, in-depth analysis of tissue microenvironment will allow us to identify potential therapeutic targets. Research is now undertaken to explore potential candidates, both cellular and ECM molecules, to develop novel therapies. This article reviews recent advances in knowledge about how changes in cellular and ECM factors within the tissue microenvironment result in propagation of chronic inflammation in RA.
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Affiliation(s)
- Chiao-Feng Cheng
- Department of Internal Medicine, National Taiwan University Hospital Yun-Lin Branch, Yun-Lin County, Taiwan
| | - Hsiu-Jung Liao
- Department of Orthopedic Surgery, Far Eastern Memorial Hospital, New Taipei City, Taiwan
| | - Chien-Sheng Wu
- Department of Internal Medicine, Far Eastern Memorial Hospital, New Taipei City, Taiwan.
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48
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Castro C, Oyamada HAA, Cafasso MOSD, Lopes LM, Monteiro C, Sacramento PM, Alves-Leon SV, da Fontoura Galvão G, Hygino J, de Souza JPBM, Bento CAM. Elevated proportion of TLR2- and TLR4-expressing Th17-like cells and activated memory B cells was associated with clinical activity of cerebral cavernous malformations. J Neuroinflammation 2022; 19:28. [PMID: 35109870 PMCID: PMC8808981 DOI: 10.1186/s12974-022-02385-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2021] [Accepted: 01/12/2022] [Indexed: 12/19/2022] Open
Abstract
Background Recent evidences have suggested the involvement of toll-like receptor (TLR)-4 in the pathogenesis of cerebral cavernous malformations (CCM). Elevated frequency of TLR+T-cells has been associated with neurological inflammatory disorders. As T-cells and B-cells are found in CCM lesions, the objective of the present study was to evaluate the cytokine profile of T-cells expressing TLR2 and TLR4, as well as B-cell subsets, in asymptomatic (CCMAsympt) and symptomatic (CCMSympt) patients. Methods For our study, the cytokine profile from TLR2+ and TLR4+ T-cell and B-cell subsets in CCMAsympt and CCMSympt patients was investigated using flow cytometry and ELISA. T-cells were stimulated in vitro with anti-CD3/anti-CD28 beads or TLR2 (Pam3C) and TLR4 (LPS) ligands. Results CCMSymptc patients presented a higher frequency of TLR4+(CD4+ and CD8+) T-cells and greater density of TLR4 expression on these cells. With regard to the cytokine profile, the percentage of TLR2+ and TLR4+ Th17 cells was higher in CCMSympt patients. In addition, an elevated proportion of TLR4+ Tc-1 cells, as well as Tc-17 and Th17.1 cells expressing TLR2 and TLR4, was observed in the symptomatic patients. By contrast, the percentage of TLR4+ IL-10+CD4+ T cells was higher in the CCMAsympt group. Both Pam3C and LPS were more able to elevate the frequency of IL-6+CD4+T cells and Th17.1 cells in CCMSympt cell cultures. Furthermore, in comparison with asymptomatic patients, purified T-cells from the CCMSympt group released higher levels of Th17-related cytokines in response to Pam3C and, mainly, LPS, as well as after activation via TCR/CD28. Concerning the B-cell subsets, a higher frequency of memory and memory activated B-cells was observed in CCMSympt patients. Conclusions Our findings reveal an increase in circulating Th17/Tc-17 cell subsets expressing functional TLR2 and, mainly, TLR4 molecules, associated with an increase in memory B-cell subsets in CCM patients with clinical activity of the disease. Supplementary Information The online version contains supplementary material available at 10.1186/s12974-022-02385-2.
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Affiliation(s)
- Camilla Castro
- Department of Microbiology and Parasitology, Federal University of the State of Rio de Janeiro, Frei Caneca 94, Rio de Janeiro, RJ, 20261-040, Brazil.,Post-Graduate Program in Microbiology, University of the State of Rio de Janeiro, Rio de Janeiro, Brazil
| | - Hugo A A Oyamada
- Department of Microbiology and Parasitology, Federal University of the State of Rio de Janeiro, Frei Caneca 94, Rio de Janeiro, RJ, 20261-040, Brazil.,Post-Graduate Program in Microbiology, University of the State of Rio de Janeiro, Rio de Janeiro, Brazil
| | - Marcos Octávio S D Cafasso
- Department of Microbiology and Parasitology, Federal University of the State of Rio de Janeiro, Frei Caneca 94, Rio de Janeiro, RJ, 20261-040, Brazil
| | - Lana M Lopes
- Department of Microbiology and Parasitology, Federal University of the State of Rio de Janeiro, Frei Caneca 94, Rio de Janeiro, RJ, 20261-040, Brazil.,Post-Graduate Program in Microbiology, University of the State of Rio de Janeiro, Rio de Janeiro, Brazil
| | - Clarice Monteiro
- Department of Microbiology and Parasitology, Federal University of the State of Rio de Janeiro, Frei Caneca 94, Rio de Janeiro, RJ, 20261-040, Brazil.,Post-Graduate Program in Microbiology, University of the State of Rio de Janeiro, Rio de Janeiro, Brazil
| | - Priscila M Sacramento
- Department of Microbiology and Parasitology, Federal University of the State of Rio de Janeiro, Frei Caneca 94, Rio de Janeiro, RJ, 20261-040, Brazil.,Post-Graduate Program in Microbiology, University of the State of Rio de Janeiro, Rio de Janeiro, Brazil
| | - Soniza Vieira Alves-Leon
- Post-Graduate Program in Neurology, University of the State of Rio de Janeiro, Rio de Janeiro, Brazil.,Translational Neuroscience Laboratory (LabNet), University of the State of Rio de Janeiro, Rio de Janeiro, Brazil
| | - Gustavo da Fontoura Galvão
- Service of Neurosurgery, University Hospital of the Federal University of Rio de Janeiro, Rio de Janeiro, RJ, Brazil
| | - Joana Hygino
- Department of Microbiology and Parasitology, Federal University of the State of Rio de Janeiro, Frei Caneca 94, Rio de Janeiro, RJ, 20261-040, Brazil.,Post-Graduate Program in Neurology, University of the State of Rio de Janeiro, Rio de Janeiro, Brazil
| | - Jorge Paes Barreto Marcondes de Souza
- Post-Graduate Program in Neurology, University of the State of Rio de Janeiro, Rio de Janeiro, Brazil.,Service of Neurosurgery, University Hospital of the Federal University of Rio de Janeiro, Rio de Janeiro, RJ, Brazil.,Post-Graduate Program of Surgical Sciences, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - Cleonice A M Bento
- Department of Microbiology and Parasitology, Federal University of the State of Rio de Janeiro, Frei Caneca 94, Rio de Janeiro, RJ, 20261-040, Brazil. .,Post-Graduate Program in Microbiology, University of the State of Rio de Janeiro, Rio de Janeiro, Brazil. .,Post-Graduate Program in Neurology, University of the State of Rio de Janeiro, Rio de Janeiro, Brazil.
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Gu L, Wang Z, Zhang Y, Zhu N, Li J, Yang M, Wang L, Rong S. TLR13 contributes to skeletal muscle atrophy by increasing insulin resistance in chronic kidney disease. Cell Prolif 2022; 55:e13181. [PMID: 35088922 PMCID: PMC8891551 DOI: 10.1111/cpr.13181] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2021] [Revised: 12/01/2021] [Accepted: 12/21/2021] [Indexed: 12/25/2022] Open
Abstract
Objectives Insulin resistance in chronic kidney disease (CKD) stimulates muscle wasting, but the molecular processes behind the resistance are undetermined. However, inflammation in skeletal muscle is implicated in the pathogenesis of insulin resistance and cachexia. Toll‐like receptors (TLRs) are known to regulate local innate immune responses, and microarray data have shown that Tlr13 is upregulated in the muscles of mice with CKD, but the relevance is unknown. Materials and Methods We performed in vitro experiments in C2C12 myotubes and constructed a CKD murine model using subtotal nephrectomy to conduct experiments in vivo. Results Tlr13 expression was stimulated in C2C12 myotubes treated with uremic serum. The expression of Tlr13 was also upregulated in the tibialis anterior muscles of mice with CKD. Tlr13 knockdown with siRNAs in skeletal muscle cells decreased insulin resistance despite the inclusion of uremic serum. This led to increased levels of p‐AKT and suppression of protein degradation. Using immunofluorescence staining and coimmunoprecipitation assay, we found that TLR13 recruits IRF3, which activates Irf3 expression, resulting in decreased AKT activity. Moreover, insulin resistance and proteolysis are re‐induced by Irf3 overexpression under Tlr13 deletion. Conclusions Our results indicate that TLR13 is involved in CKD‐mediated insulin resistance in muscle. In catabolic conditions where insulin signaling is impaired, targeting TLR13 may improve insulin sensitivity and prevent muscle atrophy.
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Affiliation(s)
- Lijie Gu
- Department of Nephrology, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Zhifang Wang
- Department of Respiration, Yangpu Hospital, School of Medicine, Tongji University, Shanghai, China
| | - Yueyue Zhang
- Department of Nephrology, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Nan Zhu
- Department of Nephrology, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Jiayong Li
- Clinical Laboratory Medicine Center, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Man Yang
- Department of Nephrology, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Ling Wang
- Department of Nephrology, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Shu Rong
- Department of Nephrology, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
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Makkar H, Atkuru S, Tang YL, Sethi T, Lim CT, Tan KS, Sriram G. Differential immune responses of 3D gingival and periodontal connective tissue equivalents to microbial colonization. J Tissue Eng 2022; 13:20417314221111650. [PMID: 35923175 PMCID: PMC9340411 DOI: 10.1177/20417314221111650] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2022] [Accepted: 06/20/2022] [Indexed: 11/15/2022] Open
Abstract
Gingival and periodontal ligament fibroblasts are functionally distinct cell
types within the dento-gingival unit that participate in host immune response.
Their microenvironment influences the behavior and immune response to microbial
challenge. We developed three-dimensional gingival and periodontal connective
tissue equivalents (CTEs) using human fibrin-based matrix. The CTEs were
characterized, and the heterogeneity in their innate immune response was
investigated. The CTEs demonstrated no to minimal response to planktonic
Streptococcus mitis and Streptococcus
oralis, while their biofilms elicited a moderate increase in IL-6
and IL-8 production. In contrast, Fusobacterium nucleatum
provoked a substantial increase in IL-6 and IL-8 production. Interestingly, the
gingival CTEs secreted significantly higher IL-6, while periodontal counterparts
produced higher IL-8. In conclusion, the gingival and periodontal CTEs exhibited
differential responses to various bacterial challenges. This gives insights into
the contribution of tissue topography and fibroblast heterogeneity in rendering
protective and specific immune responses toward early biofilm colonizers.
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Affiliation(s)
- Hardik Makkar
- Faculty of Dentistry, National University of Singapore, Singapore
| | - Srividya Atkuru
- Faculty of Dentistry, National University of Singapore, Singapore
| | - Yi Ling Tang
- Faculty of Dentistry, National University of Singapore, Singapore
| | - Tanya Sethi
- Faculty of Dentistry, National University of Singapore, Singapore
| | - Chwee Teck Lim
- Institute for Health Innovation and Technology (iHealthtech), National University of Singapore, Singapore
| | - Kai Soo Tan
- Faculty of Dentistry, National University of Singapore, Singapore
| | - Gopu Sriram
- Faculty of Dentistry, National University of Singapore, Singapore
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