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Preethy KR, Petrecia PD, Chamundeeswari M. Development of bio sheet using nanoparticles and the confederation of protein for casting wound. Int J Biol Macromol 2024; 274:133178. [PMID: 38906355 DOI: 10.1016/j.ijbiomac.2024.133178] [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: 01/05/2024] [Revised: 06/04/2024] [Accepted: 06/13/2024] [Indexed: 06/23/2024]
Abstract
This research pioneers a sustainable approach to wound healing by developing a bio sheet for dressings. It ingeniously incorporates healing properties of reduced graphene oxide synthesized via an eco-friendly method, using phytoextracts to eliminate toxic chemicals. Collagen extracted from fish waste and fibrinogen from post-animal waste contribute to the bio sheet's green profile. The study emphasizes the global shift towards utilizing natural materials in therapeutic applications for efficient wound healing while minimizing toxic side effects. The formulation involves a simple muffle treatment for the conversion of carbon to graphene oxide, followed by a greener reduction technique to synthesize rGO. Characterization- by peaks that obtained at 255 nm, 240 nm, 280 nm, 360 nm using UV-Vis analysis were confirmed the presents of desired carbon and glycoproteins, In X-ray diffraction (2θ value) we found peaks at 24.37°, 27.84°, 17.43° which indicated the presents of rGO, Fibrinogen, and Collagen, and FT-IR methods confirms the functional groups like OH, CH2, CC, CHO and NC in the derived materials and Zeta potential distribution were done for Compounds. To add up purity and efficiency analysis via GCMS were done for proteins. The resulting bio sheet, created in a controlled environment with a gelling agent, Undergoes morphological analysis through FESEM-EDX. Additional assessments, including antioxidant, anti-inflammatory, and hemocompatibility assays, illuminate the nature of the formulated bio sheet. To addition, biosheet is analyzed for physical and mechanical properties. Further insight is gained through the analysis of surface plots of the EDX images of both the composite and bio sheet using ImageJ software. This comprehensive approach underscores the potential of sustainable and naturally derived materials in advancing wound care technologies.
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Affiliation(s)
- K R Preethy
- St. Joseph's College of Engineering, Chennai, India
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2
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Abalymov A, Pinchasik BE, Akasov RA, Lomova M, Parakhonskiy BV. Strategies for Anisotropic Fibrillar Hydrogels: Design, Cell Alignment, and Applications in Tissue Engineering. Biomacromolecules 2023; 24:4532-4552. [PMID: 37812143 DOI: 10.1021/acs.biomac.3c00503] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/10/2023]
Abstract
Efficient cellular alignment in biomaterials presents a considerable challenge, demanding the refinement of appropriate material morphologies, while ensuring effective cell-surface interactions. To address this, biomaterials are continuously researched with diverse coatings, hydrogels, and polymeric surfaces. In this context, we investigate the influence of physicochemical parameters on the architecture of fibrillar hydrogels that significantly orient the topography of flexible hydrogel substrates, thereby fostering cellular adhesion and spatial organization. Our Review comprehensively assesses various techniques for aligning polymer fibrils within hydrogels, specifically interventions applied during and after the cross-linking process. These methodologies include mechanical strains, precise temperature modulation, controlled fluidic dynamics, and chemical modulators, as well as the use of magnetic and electric fields. We highlight the intrinsic appeal of these methodologies in fabricating cell-aligning interfaces and discuss their potential implications within the fields of biomaterials and tissue engineering, particularly concerning the pursuit of optimal cellular alignment.
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Affiliation(s)
- Anatolii Abalymov
- Science Medical Center, Saratov State University, 410012 Saratov, Russia
| | - Bat-El Pinchasik
- School of Mechanical Engineering, Faculty of Engineering, Tel-Aviv University, 69978 Tel-Aviv, Israel
| | - Roman A Akasov
- Sechenov University and Federal Scientific Research Centre "Crystallography and Photonics" of Russian Academy of Sciences, 101000 Moscow, Russia
| | - Maria Lomova
- Science Medical Center, Saratov State University, 410012 Saratov, Russia
| | - Bogdan V Parakhonskiy
- Department of Biotechnology, Faculty of Bioscience Engineering, Ghent University, 9000 Ghent, Belgium
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Chameettachal S, Venuganti A, Parekh Y, Prasad D, Joshi VP, Vashishtha A, Basu S, Singh V, Bokara KK, Pati F. Human cornea-derived extracellular matrix hydrogel for prevention of post-traumatic corneal scarring: A translational approach. Acta Biomater 2023; 171:289-307. [PMID: 37683964 DOI: 10.1016/j.actbio.2023.09.002] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2023] [Revised: 08/24/2023] [Accepted: 09/01/2023] [Indexed: 09/10/2023]
Abstract
Corneal scarring and opacification are a significant cause of blindness affecting millions worldwide. The current standard of care for corneal blindness is corneal transplantation, which suffers from several drawbacks. One alternative approach that has shown promise is the use of xenogeneic corneal extracellular matrix (ECM), but its clinical applicability is challenging due to safety concerns. This study reports the innovative use of human cornea-derived ECM to prevent post-traumatic corneal scarring. About 30 - 40% of corneas donated to the eye banks do not meet the standards defined for clinical use and are generally discarded, although they are completely screened for their safety. In this study, human cornea-derived decellularized ECM hydrogel was prepared from the non-transplantation grade human cadaveric corneas obtained from an accredited eye-bank. The prepared hydrogel was screened for its efficacy against corneal opacification following an injury in an animal model. Our in vivo study revealed that, the control collagen-treated group developed corneal opacification, while the prophylactic application of human cornea-derived hydrogel effectively prevented corneal scarring and opacification. The human hydrogel-treated corneas were indistinguishable from healthy corneas and comparable to those treated with the xenogeneic bovine corneal hydrogel. We also demonstrated that the application of the hydrogel retained the biological milieu including cell behavior, protein components, optical properties, curvature, and nerve regeneration by remodeling the corneal wound after injury. The hydrogel application is also sutureless, resulting in faster corneal healing. We envision that this human cornea-derived ECM-based hydrogel has potential clinical application in preventing scarring from corneal wounding. STATEMENT OF SIGNIFICANCE: There are significant challenges surrounding corneal regeneration after injury due to extensive scarring. Although there is substantial research on corneal regeneration, much of it uses synthetic materials with chemical cross-linking methods or xenogeneic tissue-based material devices which have to undergo exhaustive safety analysis before clinical trials. Herein, we demonstrate the potential application of a human corneal extracellular matrix hydrogel without any additional materials for scarless corneal tissue regeneration, and a method to reduce the wasting of donated allogenic corneal tissue from eye banks. We found no difference in efficacy between the usage of human tissues compared to xenogeneic sources. This may help ease clinical translation and can be used topically without sutures as an outpatient procedure.
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Affiliation(s)
- Shibu Chameettachal
- Department of Biomedical Engineering, Indian Institute of Technology Hyderabad, Kandi, Sangareddy 502285, Telangana, India
| | - Animith Venuganti
- Centre for Ocular Regeneration, Prof. Brien Holden Eye Research Centre, L V Prasad Eye Institute, Hyderabad, Telangana, India
| | - Yash Parekh
- CSIR-Center for Cellular and Molecular Biology, ANNEXE II, Medical Biotechnology Complex, Uppal Road, Hyderabad, Telangana, India
| | - Deeksha Prasad
- Centre for Ocular Regeneration, Prof. Brien Holden Eye Research Centre, L V Prasad Eye Institute, Hyderabad, Telangana, India
| | - Vineet P Joshi
- Department of Biomedical Engineering, Indian Institute of Technology Hyderabad, Kandi, Sangareddy 502285, Telangana, India; Centre for Ocular Regeneration, Prof. Brien Holden Eye Research Centre, L V Prasad Eye Institute, Hyderabad, Telangana, India
| | - Anviti Vashishtha
- CSIR-Center for Cellular and Molecular Biology, ANNEXE II, Medical Biotechnology Complex, Uppal Road, Hyderabad, Telangana, India
| | - Sayan Basu
- Centre for Ocular Regeneration, Prof. Brien Holden Eye Research Centre, L V Prasad Eye Institute, Hyderabad, Telangana, India.
| | - Vivek Singh
- Centre for Ocular Regeneration, Prof. Brien Holden Eye Research Centre, L V Prasad Eye Institute, Hyderabad, Telangana, India.
| | - Kiran Kumar Bokara
- CSIR-Center for Cellular and Molecular Biology, ANNEXE II, Medical Biotechnology Complex, Uppal Road, Hyderabad, Telangana, India.
| | - Falguni Pati
- Department of Biomedical Engineering, Indian Institute of Technology Hyderabad, Kandi, Sangareddy 502285, Telangana, India.
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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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Li Y, Hashikawa K, Ebisawa K, Kambe M, Higuchi S, Kamei Y. <Editors' Choice> Supernatant from activated omentum accelerates wound healing in diabetic mice wound model. NAGOYA JOURNAL OF MEDICAL SCIENCE 2023; 85:528-541. [PMID: 37829482 PMCID: PMC10565575 DOI: 10.18999/nagjms.85.3.528] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/06/2022] [Accepted: 10/04/2022] [Indexed: 10/14/2023]
Abstract
Diabetic wounds are considered one of the most frequent and severe complications of diabetes mellitus. Recently, the omentum has been used in diabetic wound healing because of its tissue repair properties. The activated omentum is richer in growth factors than the inactivated, thereby contributing to the wound healing process. To further investigate the effect of activated omentum conditioned medium (aOCM) on diabetic wound healing, we injected supernatant from aOCM, saline-OCM (sOCM), inactivated-OCM (iOCM), and medium (M) subcutaneously upon creation of a cutaneous wound healing model in diabetic mice. Wound area (%) was evaluated on days 0, 3, 5, 7, 9, 11, 14, 21, and 28 post-operation. At 9 and 28 d post-operation, skin tissue was harvested and assessed for gross observation, neovascularization, peripheral nerve fiber regeneration, and collagen deposition. We observed that aOCM enhanced the wound repair process, with significant acceleration of epidermal and collagen deposition in the surgical lesion on day 9. Additionally, aOCM displayed marked efficiency in neovascularization and peripheral nerve regeneration during wound healing. Thus, aOCM administration exerts a positive influence on the diabetic mouse model, which can be employed as a new therapy for diabetic wounds.
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Affiliation(s)
- Yu Li
- Department of Plastic and Reconstructive Surgery, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Kazunobu Hashikawa
- Department of Plastic and Reconstructive Surgery, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Katsumi Ebisawa
- Department of Plastic and Reconstructive Surgery, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Miki Kambe
- Department of Plastic and Reconstructive Surgery, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Shinichi Higuchi
- Department of Plastic and Reconstructive Surgery, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Yuzuru Kamei
- Department of Plastic and Reconstructive Surgery, Nagoya University Graduate School of Medicine, Nagoya, Japan
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Stanovova MV, Gazizova GR, Gorbushin AM. Transcriptomic profiling of immune-associated molecules in the coelomocytes of lugworm Arenicola marina (Linnaeus, 1758). JOURNAL OF EXPERIMENTAL ZOOLOGY. PART B, MOLECULAR AND DEVELOPMENTAL EVOLUTION 2023; 340:34-55. [PMID: 35438249 DOI: 10.1002/jez.b.23135] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/28/2021] [Revised: 02/04/2022] [Accepted: 03/11/2022] [Indexed: 12/16/2022]
Abstract
Organization and functioning of immune system remain unevenly studied in different taxa of lophotrochozoan animals. We analyzed transcriptomic data on coelomocytes of the lugworm Arenicola marina (Linnaeus, 1758; Annelida, Polychaeta) to gain insights into the molecular mechanisms involved in polychaete immunity. Coelomocytes are specialized motile cells populating coelomic fluid of annelids, responsible for cellular defense reactions and providing humoral immune factors. The transcriptome was enriched with immune-related transcripts by challenging the cells in vitro with lipopolysaccharides of Escherichia coli and Zymosan from Saccharomyces cerevisiae. Our analysis revealed a multifaceted and complex internal defense system of the lugworm. A. marina possesses orthologs of proto-complement-like factors: six thioester-containing proteins, a complement-like receptor, and a MASP-related serine protease (MReM2). A. marina coelomocytes employ pattern-recognition receptors to detect pathogens and regulate immune responses. Among them, there are 18 Toll-like receptors and various putative lectin-like proteins with evolutionary conserved and taxa-specific domains. C-type lectins and a novel family of Gal-binding and CUB domains containing receptors were the most abundant in the transcriptome. The array of pore-forming proteins in the coelomocytes was surprisingly reduced compared to that of other invertebrate species. We characterized a set of conserved proteins metabolizing reactive oxygen species and nitric oxide and expanded the arsenal of potential antimicrobial peptides. Phenoloxidase activity in immune cells of lugworm is mediated only by laccase enzyme. The described repertoire of immune-associated molecules provides valuable candidates for further functional and comparative research on the immunity of annelids.
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Affiliation(s)
- Maria V Stanovova
- Faculty of Biology, Lomonosov Moscow State University, Moscow, Russia
| | - Guzel R Gazizova
- Institute of Fundamental Medicine and Biology, Kazan Federal University, Kazan, Russia
| | - Alexander M Gorbushin
- Sechenov Institute of Evolutionary Physiology and Biochemistry (IEPhB RAS), St. Petersburg, Russia
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Proteomics profile of mesenchymal stromal cells and extracellular vesicles in normoxic and hypoxic conditions. Cytotherapy 2022; 24:1211-1224. [PMID: 36192337 DOI: 10.1016/j.jcyt.2022.08.009] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2022] [Revised: 08/11/2022] [Accepted: 08/27/2022] [Indexed: 01/31/2023]
Abstract
BACKGROUND AIMS Although bone marrow-derived mesenchymal stromal cells (MSCs) have demonstrated success in pre-clinical studies, they have shown only mild therapeutic effects in clinical trials. Hypoxia pre-conditioning may optimize the performance of bone marrow-derived MSCs because it better reflects the physiological conditions of their origin. It is not known whether changes in the protein profile caused by hypoxia in MSCs can be extended to the extracellular vesicles (EVs) released from them. The aim of this study was to evaluate the proteomics profile of MSCs and their EVs under normoxic and hypoxic conditions. METHODS Bone marrow-derived MSCs were isolated from six healthy male Wistar rats. After achieving 80% confluence, MSCs were subjected to normoxia (MSC-Norm) (21% oxygen, 5% carbon dioxide, 74% nitrogen) or hypoxia (MSC-Hyp) (1% oxygen, 5% carbon dioxide, 94% nitrogen) for 48 h. Cell viability and oxygen consumption rate were assessed. EVs were extracted from MSCs for each condition (EV-Norm and EV-Hyp) by ultracentrifugation. Total proteins were isolated from MSCs and EVs and prepared for mass spectrometry. EVs were characterized by nanoparticle tracking analysis. Proteomics data were analyzed by PatternLab 4.0, Search Tool for the Retrieval of Interacting Genes/Proteins, Gene Ontology, MetaboAnalyst and Reactome software. RESULTS Cell viability was higher in MSC-Hyp than MSC-Norm (P = 0.007). Basal respiration (P = 0.001), proton leak (P = 0.004) and maximal respiration (P = 0.014) were lower in MSC-Hyp than MSC-Norm, and no changes in adenosine triphosphate-linked and residual respiration were observed. The authors detected 2177 proteins in MSC-Hyp and MSC-Norm, of which 147 were identified in only MSC-Hyp and 512 were identified in only MSC-Norm. Furthermore, 718 proteins were identified in EV-Hyp and EV-Norm, of which 293 were detected in only EV-Hyp and 30 were detected in only EV-Norm. Both MSC-Hyp and EV-Hyp showed enrichment of pathways and biological processes related to glycolysis, the immune system and extracellular matrix organization. CONCLUSIONS MSCs subjected to hypoxia showed changes in their survival and metabolic activity. In addition, MSCs under hypoxia released more EVs, and their content was related to expression of regulatory proteins of the immune system and extracellular matrix organization. Because of the upregulation of proteins involved in glycolysis, gluconeogenesis and glucose uptake during hypoxia, production of reactive oxygen species and expression of immunosuppressive properties may be affected.
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Liu Y, Zhang A, Guo N, Hao Q, Li F. A pattern recognition receptor ficolin from Portunus trituberculatus (Ptficolin) regulating immune defense and hemolymph coagulation. Int J Biol Macromol 2022; 221:558-572. [PMID: 36089094 DOI: 10.1016/j.ijbiomac.2022.09.041] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2022] [Revised: 07/26/2022] [Accepted: 09/06/2022] [Indexed: 11/16/2022]
Abstract
Ficolins, belonging to the fibrinogen-related protein superfamily, are important pattern recognition receptors in innate immunity. Here, a ficolin gene Ptficolin was characterized from the swimming crab Portunus trituberculatus. The completed cDNA sequence of Ptficolin encoded a signal peptide, a coiled-coil region and a fibrinogen-like domain but without the typical collagen region of vertebrate ficolins. Ptficolin showed higher expression in stomach and hepatopancreas, and presented a time-dependent response after pathogen challenge and injury stimulation. The recombinant Ptficolin (rPtficolin) could bind to various PAMPs and microorganisms, and agglutinate microorganisms and rabbit erythrocytes in a Ca2+-dependent manner, with strong binding ability to N-acetyl sugars. Meanwhile, rPtficolin promoted the hemocyte phagocytosis and clearance activity of Vibrio, while Ptficolin knockdown impaired the bacterial phagocytosis and clearance ability, suggesting the opsonin activity of Ptficolin. Knockdown of Ptficolin could downregulate the transcription of most complement-like genes and AMPs, but enhance the expression of most proPO system-related genes and key genes of Toll, IMD and JNK pathways. Moreover, knockdown of Ptficolin led to the increased hemolymph clotting time and the decreased expression of clotting-related genes. Our results indicate that Ptficolin could recognize and eliminate invading pathogens, and might be a prominent component in hemolymph coagulation of crab.
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Affiliation(s)
- Yuan Liu
- CAS and Shandong Province Key Laboratory of Experimental Marine Biology, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China; Laboratory for Marine Biology and Biotechnology, Qingdao National Laboratory for Marine Science and Technology, Qingdao 266071, China; Center for Ocean Mega-Science, Chinese Academy of Sciences, Qingdao 266071, China; University of Chinese Academy of Sciences, Beijing 100049, China.
| | - Ao Zhang
- CAS and Shandong Province Key Laboratory of Experimental Marine Biology, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China; School of Marine Science and Engineering, Qingdao Agricultural University, Qingdao 266109, China
| | - Na Guo
- CAS and Shandong Province Key Laboratory of Experimental Marine Biology, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China; School of Marine Science and Engineering, Qingdao Agricultural University, Qingdao 266109, China
| | - Qiang Hao
- CAS and Shandong Province Key Laboratory of Experimental Marine Biology, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China; School of Marine Science and Engineering, Qingdao Agricultural University, Qingdao 266109, China
| | - Fuhua Li
- CAS and Shandong Province Key Laboratory of Experimental Marine Biology, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China; Laboratory for Marine Biology and Biotechnology, Qingdao National Laboratory for Marine Science and Technology, Qingdao 266071, China; Center for Ocean Mega-Science, Chinese Academy of Sciences, Qingdao 266071, China; University of Chinese Academy of Sciences, Beijing 100049, China
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Tenascin-C in fibrosis in multiple organs: Translational implications. Semin Cell Dev Biol 2022; 128:130-136. [PMID: 35400564 PMCID: PMC10119770 DOI: 10.1016/j.semcdb.2022.03.019] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2021] [Revised: 02/17/2022] [Accepted: 03/14/2022] [Indexed: 12/28/2022]
Abstract
Systemic sclerosis (SSc, scleroderma) is a complex disease with a pathogenic triad of autoimmunity, vasculopathy, and fibrosis involving the skin and multiple internal organs [1]. Because fibrosis accounts for as much as 45% of all deaths worldwide and appears to be increasing in prevalence [2], understanding its pathogenesis and progression is an urgent scientific challenge. Fibroblasts and myofibroblasts are the key effector cells executing physiologic tissue repair on one hand, and pathological fibrogenesis leading to chronic fibrosing conditions on the other. Recent studies identify innate immune signaling via toll-like receptors (TLRs) as a key driver of persistent fibrotic response in SSc. Repeated injury triggers the in-situ generation of "damage-associated molecular patterns" (DAMPs) or danger signals. Sensing of these danger signals by TLR4 on resident cells elicits potent stimulatory effects on fibrotic gene expression and myofibroblast differentiation triggering the self-limited tissue repair response to self-sustained pathological fibrosis characteristic of SSc. Our unbiased survey for DAMPs associated with SSc identified extracellular matrix glycoprotein tenascin-C as one of the most highly up-regulated ECM proteins in SSc skin and lung biopsies [3,4]. Furthermore, tenascin C is responsible for driving sustained fibroblasts activation, thereby progression of fibrosis [3]. This review summarizes recent studies examining the regulation and complex functional role of tenascin C, presenting tenascin-TLR4 axis in pathological fibrosis, and novel anti-fibrotic approaches targeting their signaling.
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Pourkarim R, Farahpour MR, Rezaei SA. Comparison effects of platelet-rich plasma on healing of infected and non-infected excision wounds by the modulation of the expression of inflammatory mediators: experimental research. Eur J Trauma Emerg Surg 2022; 48:3339-3347. [PMID: 35149876 DOI: 10.1007/s00068-022-01907-0] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2021] [Accepted: 01/29/2022] [Indexed: 01/08/2023]
Abstract
INTRODUCTION Microbial invasion in soft tissue is believed to cause infectious wounds and increase healthcare costs, anxiety, and distress. The current study was conducted to evaluate the effects of topical use of platelet-rich plasma (PRP) on infected wound-healing process in rats. METHODS Following the induction of a circular wound, the animals were divided into three groups, including (1) standard control: infected wounds treated with mupirocin (SDCL), (2) non-infected wounds treated with PRP (PRP), and (3) infected group in which the rats were infected with Staphylococcus epidermidis and Pseudomonas aeruginosa and treated with PRP (INF + PRP). To evaluate the effects of PRP on the wound-healing rate, total bacterial count, histopathological assessment, the serum concentrations of sialic acid, C-reactive protein, haptoglobin, and fibrinogen were assessed. Additionally, IL-1β, IL-6, TNF-α, IL-3, NF-κB, iNOS, PDGF, and EGF mRNA level expressions were assessed employing the qRT-PCR method. RESULTS The results indicated that topical application of PRP could significantly decrease total bacterial count, the level of C-reactive protein, and pro-inflammatory cytokines (IL-1β, IL-6, and TNF-α) compared to the SDCL group. The administration of PRP also promoted re-epithelization rate by increasing the expression of EGF mRNA level. CONCLUSION We could recommend the use of PRP for the treatment of infected wounds owing to its efficiency in decreasing colonization of tissue bacteria, tissue inflammation, and stimulating wound heal-up.
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Affiliation(s)
- Reza Pourkarim
- Department of Basic Sciences, Faculty of Veterinary Medicine, Urmia Branch, Islamic Azad University, Urmia, Iran
| | - Mohammad Reza Farahpour
- Department of Clinical Sciences, Faculty of Veterinary Medicine, Urmia Branch, Islamic Azad University, Urmia, Iran.
| | - Siamak Asri Rezaei
- Department of Internal Medicine and Clinical Pathology, Faculty of Veterinary Medicine, Urmia University, Urmia, Iran
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Wasserman LA, Yurina LV, Vasilieva AD, Rosenfeld MA. Effect of Hypochlorite- and Hydrogen Peroxide-Induced Oxidation of Fibrinogen on its Thermal Denaturation. RUSSIAN JOURNAL OF PHYSICAL CHEMISTRY B 2022. [DOI: 10.1134/s1990793121060105] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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Shah RB, Shah RD, Retzinger DG, Retzinger AC, Retzinger DA, Retzinger GS. Competing Bioaerosols May Influence the Seasonality of Influenza-Like Illnesses, including COVID-19. The Chicago Experience. Pathogens 2021; 10:pathogens10091204. [PMID: 34578237 PMCID: PMC8469960 DOI: 10.3390/pathogens10091204] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2021] [Revised: 08/29/2021] [Accepted: 09/13/2021] [Indexed: 12/13/2022] Open
Abstract
Data from Chicago confirm the end of flu season coincides with the beginning of pollen season. More importantly, the end of flu season also coincides with onset of seasonal aerosolization of mold spores. Overall, the data suggest bioaerosols, especially mold spores, compete with viruses for a shared receptor, with the periodicity of influenza-like illnesses, including COVID-19, a consequence of seasonal factors that influence aerosolization of competing species.
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Affiliation(s)
- Richa B. Shah
- Department of Psychology, Northwestern University, Evanston, IL 60209, USA;
| | - Rachna D. Shah
- Department of Medicine, Stritch School of Medicine, Loyola University, Chicago, IL 60153, USA;
| | | | - Andrew C. Retzinger
- Department of Emergency Medicine, West Virginia University, Camden Clark Medical Center, Parkersburg, WV 26101, USA;
| | | | - Gregory S. Retzinger
- Department of Pathology, Feinberg School of Medicine, Northwestern University, Chicago, IL 60611, USA
- Correspondence: ; Tel.: +1-312-926-2258
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Zhou S, Di Luca M, Xu X, Ma N, Jung F, Lendlein A. Defeating antibiotic-resistant bacteria with protein-resistant polyGGE film. Clin Hemorheol Microcirc 2021; 79:609-623. [PMID: 34366331 DOI: 10.3233/ch-211250] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Biofouling on medical device surfaces, which is initiated by protein adsorption and adhesion of microbes especially the antibiotic-resistant bacteria, attracts global attention for centuries due to its enduring challenges in healthcare. Here, the antifouling effect of hydrophilic poly(glycerol glycidyl ether) (polyGGE) film is explored in comparison to hemocompatible and protein-resistant control polymers. The chemical and thermomechanical stability of polyGGE in hydrated conditions at body temperature was achieved via adjusting UV curing and KOH quenching time. The polyGGE surface is inert to the plasma protein adsorption and interfered the metabolism conditions, biofilm formation and growth of both Gram negative (Gram-) and antibiotic-resistant Gram positive (Gram+) bacteria. These results indicate the potential application of polyGGE for combating the risk of hospital-acquired infections and preventing drug-resistant superbug spreading.
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Affiliation(s)
- Shuo Zhou
- Institute of Active Polymers and Berlin-Brandenburg Centre for Regenerative Therapies, Helmholtz-Zentrum Hereon, Teltow, Germany.,Institute of Chemistry, University of Potsdam, Potsdam, Germany
| | | | - Xun Xu
- Institute of Active Polymers and Berlin-Brandenburg Centre for Regenerative Therapies, Helmholtz-Zentrum Hereon, Teltow, Germany
| | - Nan Ma
- Institute of Active Polymers and Berlin-Brandenburg Centre for Regenerative Therapies, Helmholtz-Zentrum Hereon, Teltow, Germany.,Institute of Chemistry and Biochemistry, Freie Universität Berlin, Berlin, Germany
| | - Friedrich Jung
- Institute of Active Polymers and Berlin-Brandenburg Centre for Regenerative Therapies, Helmholtz-Zentrum Hereon, Teltow, Germany
| | - Andreas Lendlein
- Institute of Active Polymers and Berlin-Brandenburg Centre for Regenerative Therapies, Helmholtz-Zentrum Hereon, Teltow, Germany.,Institute of Chemistry, University of Potsdam, Potsdam, Germany.,Institute of Chemistry and Biochemistry, Freie Universität Berlin, Berlin, Germany
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14
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Targeting FGL2, a molecular drug target for glioblastoma, with natural compounds through virtual screening method. Future Med Chem 2021; 13:805-816. [PMID: 33821685 DOI: 10.4155/fmc-2020-0331] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Background: Fibroleukin-2 protein (FGL2) causes redevelopment of brain tumors. Inhibition of these proteins has shown to improve glioblastoma prognosis and treatment efficacy. Aim: The current study gathered recently exploited natural compounds that suppress glioblastoma proliferation in vitro, tested against FGL2 protein. Method: Twenty-five compounds were explored through a virtual screening platform. Results: Three natural compounds (betanine, hesperetin and ovatodiolide) hit the active site of FGL2. Furthermore, the influence of these compounds was also assessed using in silico gene expression, and ADMET tools showed downregulation of some genes, which caused rapid tumor development while possessing a moderate acute toxicity and pharmacokinetic profile. Conclusion: Our study presents three compounds that are good candidates for evaluation in FGL2 mutated glioblastoma animal models.
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15
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Yu J, Li J, Shen J, Du F, Wu X, Li M, Chen Y, Cho CH, Li X, Xiao Z, Zhao Y. The role of Fibrinogen-like proteins in Cancer. Int J Biol Sci 2021; 17:1079-1087. [PMID: 33867830 PMCID: PMC8040309 DOI: 10.7150/ijbs.56748] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2020] [Accepted: 02/23/2021] [Indexed: 12/13/2022] Open
Abstract
Fibrinogen-associated protein (FREP) family is a family of proteins with a fibrin domain at the carboxyl terminus. Recent investigations illustrated that two members of FREP family, fibrinogen-like protein-1 (FGL1) and fibrinogen-like protein-2 (FGL2), play crucial roles in cancer by regulating the proliferation, invasion, and migration of tumor cells, or regulating the functions of immune cells in tumor microenvironment. Meanwhile, they are potential targets for medical intervention of tumor development. In this review, we discussed the structure, and the roles of FGL1 and FGL2 in tumors, especially the roles in regulating immune cell functions.
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Affiliation(s)
- Jing Yu
- Laboratory of Molecular Pharmacology, Department of Pharmacology, School of Pharmacy, Southwest Medical University, Luzhou, Sichuan, China.,South Sichuan Institute of Translational Medicine, Luzhou, Sichuan, China
| | - Jing Li
- Department of Oncology and Hematology, Hospital (T.C.M) Affiliated to Southwest Medical University, Luzhou, Sichuan, China
| | - Jing Shen
- Laboratory of Molecular Pharmacology, Department of Pharmacology, School of Pharmacy, Southwest Medical University, Luzhou, Sichuan, China.,South Sichuan Institute of Translational Medicine, Luzhou, Sichuan, China
| | - Fukuan Du
- Laboratory of Molecular Pharmacology, Department of Pharmacology, School of Pharmacy, Southwest Medical University, Luzhou, Sichuan, China.,South Sichuan Institute of Translational Medicine, Luzhou, Sichuan, China
| | - Xu Wu
- Laboratory of Molecular Pharmacology, Department of Pharmacology, School of Pharmacy, Southwest Medical University, Luzhou, Sichuan, China.,South Sichuan Institute of Translational Medicine, Luzhou, Sichuan, China
| | - Mingxing Li
- Laboratory of Molecular Pharmacology, Department of Pharmacology, School of Pharmacy, Southwest Medical University, Luzhou, Sichuan, China.,South Sichuan Institute of Translational Medicine, Luzhou, Sichuan, China
| | - Yu Chen
- Laboratory of Molecular Pharmacology, Department of Pharmacology, School of Pharmacy, Southwest Medical University, Luzhou, Sichuan, China.,South Sichuan Institute of Translational Medicine, Luzhou, Sichuan, China
| | - Chi Hin Cho
- Laboratory of Molecular Pharmacology, Department of Pharmacology, School of Pharmacy, Southwest Medical University, Luzhou, Sichuan, China.,South Sichuan Institute of Translational Medicine, Luzhou, Sichuan, China
| | - Xiaobing Li
- Laboratory of Molecular Pharmacology, Department of Pharmacology, School of Pharmacy, Southwest Medical University, Luzhou, Sichuan, China
| | - Zhangang Xiao
- Laboratory of Molecular Pharmacology, Department of Pharmacology, School of Pharmacy, Southwest Medical University, Luzhou, Sichuan, China.,South Sichuan Institute of Translational Medicine, Luzhou, Sichuan, China
| | - Yueshui Zhao
- Laboratory of Molecular Pharmacology, Department of Pharmacology, School of Pharmacy, Southwest Medical University, Luzhou, Sichuan, China.,South Sichuan Institute of Translational Medicine, Luzhou, Sichuan, China.,Department of Pharmacy, The Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan, China
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16
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Sylakowski K, Wells A. ECM-regulation of autophagy: The yin and the yang of autophagy during wound healing. Matrix Biol 2021; 100-101:197-206. [PMID: 33421547 DOI: 10.1016/j.matbio.2020.12.006] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2020] [Revised: 11/30/2020] [Accepted: 12/31/2020] [Indexed: 12/11/2022]
Abstract
Wound healing is a complex sequence of tissue protection, replacement, and reorganization leading to regenerated tissue. Disruption of any of these steps results in the process being incomplete as an ulcer or over-exuberant as a hypertrophic scar. Over the past decade, it has become evident that the extracellular matrix and associated components orchestrate this process. However, the cellular events that are induced by the extracellular matrix to accomplish wound healing remain to be defined. Herein we propose that matrix-regulated cellular macro-autophagy is key to both the tissue replacement and resolution stages of healing by directing cellular function or apoptosis. Further, disruptions in matrix turnover alter autophagic function leading to chronic wounds or scarring. While the literature that directly investigates autophagy during wound healing is sparse, the emerging picture supports our proposing a model of the centrality of the matrix-autophagy modulation as central to physiologic and pathologic healing.
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Affiliation(s)
- Kyle Sylakowski
- Department of Pathology, University of Pittsburgh, Pittsburgh, PA 15261, United States; VA Pittsburgh Healthcare Systems, Pittsburgh, PA 15213, United States
| | - Alan Wells
- Department of Pathology, University of Pittsburgh, Pittsburgh, PA 15261, United States; VA Pittsburgh Healthcare Systems, Pittsburgh, PA 15213, United States; Department of Bioengineering, University of Pittsburgh, Pittsburgh, PA 15260, United States; Department of Computational & Systems Biology, University of Pittsburgh, Pittsburgh, PA 15260, United States; UPMC Hillman Cancer Center, University of Pittsburgh, Pittsburgh, PA 15213, United States.
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17
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Girotti A, Escalera-Anzola S, Alonso-Sampedro I, González-Valdivieso J, Arias FJ. Aptamer-Functionalized Natural Protein-Based Polymers as Innovative Biomaterials. Pharmaceutics 2020; 12:E1115. [PMID: 33228250 PMCID: PMC7699523 DOI: 10.3390/pharmaceutics12111115] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2020] [Revised: 11/13/2020] [Accepted: 11/17/2020] [Indexed: 02/07/2023] Open
Abstract
Biomaterials science is one of the most rapidly evolving fields in biomedicine. However, although novel biomaterials have achieved well-defined goals, such as the production of devices with improved biocompatibility and mechanical properties, their development could be more ambitious. Indeed, the integration of active targeting strategies has been shown to allow spatiotemporal control of cell-material interactions, thus leading to more specific and better-performing devices. This manuscript reviews recent advances that have led to enhanced biomaterials resulting from the use of natural structural macromolecules. In this regard, several structural macromolecules have been adapted or modified using biohybrid approaches for use in both regenerative medicine and therapeutic delivery. The integration of structural and functional features and aptamer targeting, although still incipient, has already shown its ability and wide-reaching potential. In this review, we discuss aptamer-functionalized hybrid protein-based or polymeric biomaterials derived from structural macromolecules, with a focus on bioresponsive/bioactive systems.
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Affiliation(s)
- Alessandra Girotti
- BIOFORGE Research Group (Group for Advanced Materials and Nanobiotechnology), CIBER-BBN, University of Valladolid, LUCIA Building, 47011 Valladolid, Spain
| | - Sara Escalera-Anzola
- Recombinant Biomaterials Research Group, University of Valladolid, LUCIA Building, 47011 Valladolid, Spain; (S.E.-A.); (I.A.-S.); (J.G.-V.); (F.J.A.)
| | - Irene Alonso-Sampedro
- Recombinant Biomaterials Research Group, University of Valladolid, LUCIA Building, 47011 Valladolid, Spain; (S.E.-A.); (I.A.-S.); (J.G.-V.); (F.J.A.)
| | - Juan González-Valdivieso
- Recombinant Biomaterials Research Group, University of Valladolid, LUCIA Building, 47011 Valladolid, Spain; (S.E.-A.); (I.A.-S.); (J.G.-V.); (F.J.A.)
| | - Francisco. Javier Arias
- Recombinant Biomaterials Research Group, University of Valladolid, LUCIA Building, 47011 Valladolid, Spain; (S.E.-A.); (I.A.-S.); (J.G.-V.); (F.J.A.)
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18
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Polymer-Based Materials Loaded with Curcumin for Wound Healing Applications. Polymers (Basel) 2020; 12:polym12102286. [PMID: 33036130 PMCID: PMC7600558 DOI: 10.3390/polym12102286] [Citation(s) in RCA: 73] [Impact Index Per Article: 18.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2020] [Revised: 09/03/2020] [Accepted: 09/06/2020] [Indexed: 02/07/2023] Open
Abstract
Some of the currently used wound dressings have interesting features such as excellent porosity, good water-absorbing capacity, moderate water vapor transmission rate, high drug loading efficiency, and good capability to provide a moist environment, but they are limited in terms of antimicrobial properties. Their inability to protect the wound from microbial invasion results in wound exposure to microbial infections, resulting in a delayed wound healing process. Furthermore, some wound dressings are loaded with synthetic antibiotics that can cause adverse side effects on the patients. Natural-based compounds exhibit unique features such as good biocompatibility, reduced toxicity, etc. Curcumin, one such natural-based compound, has demonstrated several biological activities such as anticancer, antibacterial and antioxidant properties. Its good antibacterial and antioxidant activity make it beneficial for the treatment of wounds. Several researchers have developed different types of polymer-based wound dressings which were loaded with curcumin. These wound dressings displayed excellent features such as good biocompatibility, induction of skin regeneration, accelerated wound healing processes and excellent antioxidant and antibacterial activity. This review will be focused on the in vitro and in vivo therapeutic outcomes of wound dressings loaded with curcumin.
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19
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Arenas Gómez CM, Sabin KZ, Echeverri K. Wound healing across the animal kingdom: Crosstalk between the immune system and the extracellular matrix. Dev Dyn 2020; 249:834-846. [PMID: 32314465 PMCID: PMC7383677 DOI: 10.1002/dvdy.178] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2020] [Revised: 04/10/2020] [Accepted: 04/11/2020] [Indexed: 12/11/2022] Open
Abstract
Tissue regeneration is widespread in the animal kingdom. To date, key roles for different molecular and cellular programs in regeneration have been described, but the ultimate blueprint for this talent remains elusive. In animals capable of tissue regeneration, one of the most crucial stages is wound healing, whose main goal is to close the wound and prevent infection. In this stage, it is necessary to avoid scar formation to facilitate the activation of the immune system and remodeling of the extracellular matrix, key factors in promoting tissue regeneration. In this review, we will discuss the current state of knowledge regarding the role of the immune system and the interplay with the extracellular matrix to trigger a regenerative response.
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Affiliation(s)
- Claudia M. Arenas Gómez
- Eugene Bell Center for Regenerative Biology and Tissue Engineering, Marine Biological LaboratoryWoods HoleMassachusettsUSA
| | - Keith Z. Sabin
- Eugene Bell Center for Regenerative Biology and Tissue Engineering, Marine Biological LaboratoryWoods HoleMassachusettsUSA
| | - Karen Echeverri
- Eugene Bell Center for Regenerative Biology and Tissue Engineering, Marine Biological LaboratoryWoods HoleMassachusettsUSA
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20
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Genetic Variants in the FGB and FGG Genes Mapping in the Beta and Gamma Nodules of the Fibrinogen Molecule in Congenital Quantitative Fibrinogen Disorders Associated with a Thrombotic Phenotype. Int J Mol Sci 2020; 21:ijms21134616. [PMID: 32610551 PMCID: PMC7369898 DOI: 10.3390/ijms21134616] [Citation(s) in RCA: 32] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2020] [Revised: 06/18/2020] [Accepted: 06/25/2020] [Indexed: 12/19/2022] Open
Abstract
Fibrinogen is a hexameric plasmatic glycoprotein composed of pairs of three chains (Aα, Bβ, and γ), which play an essential role in hemostasis. Conversion of fibrinogen to insoluble polymer fibrin gives structural stability, strength, and adhesive surfaces for growing blood clots. Equally important, the exposure of its non-substrate thrombin-binding sites after fibrin clot formation promotes antithrombotic properties. Fibrinogen and fibrin have a major role in multiple biological processes in addition to hemostasis and thrombosis, i.e., fibrinolysis (during which the fibrin clot is broken down), matrix physiology (by interacting with factor XIII, plasminogen, vitronectin, and fibronectin), wound healing, inflammation, infection, cell interaction, angiogenesis, tumour growth, and metastasis. Congenital fibrinogen deficiencies are rare bleeding disorders, characterized by extensive genetic heterogeneity in all the three genes: FGA, FGB, and FGG (enconding the Aα, Bβ, and γ chain, respectively). Depending on the type and site of mutations, congenital defects of fibrinogen can result in variable clinical manifestations, which range from asymptomatic conditions to the life-threatening bleeds or even thromboembolic events. In this manuscript, we will briefly review the main pathogenic mechanisms and risk factors leading to thrombosis, and we will specifically focus on molecular mechanisms associated with mutations in the C-terminal end of the beta and gamma chains, which are often responsible for cases of congenital afibrinogenemia and hypofibrinogenemia associated with thrombotic manifestations.
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21
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Martini WZ, Holcomb JB, Yu YM, Wolf SE, Cancio LC, Pusateri AE, Dubick MA. Hypercoagulation and Hypermetabolism of Fibrinogen in Severely Burned Adults. J Burn Care Res 2020; 41:23-29. [PMID: 31504640 DOI: 10.1093/jbcr/irz147] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
This study investigated changes in plasma fibrinogen metabolism and changes in coagulation in severely burned adults. Ten patients (27 ± 3 years; 91 ± 6 kg) with 51 ± 3% TBSA were consented and enrolled into an institutional review board-approved prospective study. On the study day, stable isotope infusion of 1-13C-phenylalanine and d5-phenylalanine was performed to quantify fibrinogen production and consumption. During the infusion, vital signs were recorded and blood samples were drawn every hour. Coagulation was measured by thromboelastograph (TEG). Ten normal healthy volunteers (37 ± 7 years; 74 ± 4 kg) were included as the control group. Burned adults had elevated heart rates (120 ± 2 vs 73 ± 5 [control] beats/minute), respiration rates (23 ± 2 vs 15 ± 1 breaths/minute), plasma glucose (127 ± 10 vs 89 ± 2 mg/dl), and fibrinogen levels (613 ± 35 vs 239 ± 17 mg/dl); and decreased albumin (1.3 ± 0.2 vs 3.7 ± 0.1 g/dl) and total protein (4.4 ± 0.2 vs 6.8 ± 0.1 g/dl, all P < .05). Fibrinogen breakdown was elevated in the burn group (2.3 ± 0.4 vs. 1.0 ± 0.3 µmol/kg/minute); and fibrinogen synthesis was further enhanced in the burn group (4.4 ± 0.7 vs 0.7 ± 0.2 µmol/kg/minute, both P < .05). Clotting speed (TEG-alpha) and clot strength (TEG-MA) were increased in the burn group (62 ± 4 vs 50 ± 4°, and 76 ± 2 vs 56 ± 2 mm, respectively, both P < .05). Fibrinolysis of TEG-LY60 was accelerated in the burn group (16 ± 6 vs 3 ± 1) and so was the increase in D-dimer level in the burn group (4.5 ± 0.4 vs 1.9 ± 0.3 mg/l, both P < .05). The hypercoagulable state postburn is in part a result of increased fibrinogen synthesis, over and above increased fibrinogen breakdown.
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Affiliation(s)
- Wenjun Z Martini
- U.S. Army Institute of Surgical Research, Ft. Sam Houston, Texas
| | - John B Holcomb
- University of Texas Health Science Center at Houston, Texas
| | - Yong-Ming Yu
- Massachusetts General Hospital and Harvard Medical School, Boston, Massachusetts
| | - Steven E Wolf
- Shriner's Burn Hospital for Children, Galveston, Texas
| | | | | | - Michael A Dubick
- U.S. Army Institute of Surgical Research, Ft. Sam Houston, Texas
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22
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Wang Y, Sun M, Liu J, Liu Y, Jiang C, Zhu H, Wang W, Wang Y. FIBCD1 overexpression predicts poor prognosis in patients with hepatocellular carcinoma. Oncol Lett 2019; 19:795-804. [PMID: 31897196 PMCID: PMC6924150 DOI: 10.3892/ol.2019.11183] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2019] [Accepted: 11/01/2019] [Indexed: 11/13/2022] Open
Abstract
Fibrinogen C domain-containing 1 (FIBCD1) is an acetyl-recognition receptor that affects the occurrence and development of certain tumors. However, the prognostic significance of FIBCD1 in hepatocellular carcinoma (HCC) remains unclear. This study aimed to explore FIBCD1 expression in HCC and to determine the prognostic value of FIBCD1 in patients with HCC. A total of 1,058 liver tissue samples with detailed and complete clinical information were collected, including 495 HCC samples. Tissue microarray immunohistochemistry analysis was used to evaluate FIBCD1 protein expression in the collected tissues. The Kaplan-Meier plotter online tool was used to investigate the association between FIBCD1 expression and prognosis of patients with HCC. Oncomine and the Gene Expression Profiling Interactive Analysis database were used for bioinformatics analysis of FIBCD1. Results showed that FIBCD1 expression was higher in HCC and was associated with tumor diameter (P=0.002), tumor number (P=0.001), tumor node metastasis stage (P<0.001), primary tumor (T; P<0.001), lymph node metastases (N; P=0.002), distant metastases (M; P=0.023), differentiation degree (P=0.003), vascular invasion (P<0.001) and liver cirrhosis (P=0.011). Patients with HCC and high FIBCD1 expression had worse overall survival than those with low FIBCD1 expression. High FIBCD1 expression (P<0.001), TNM stage (P=0.003), T (P<0.001), N (P=0.014), and vascular invasion (P<0.001) were independent prognostic factors in HCC. Hence, FIBCD1 may be a novel biomarker for prognosis evaluation of HCC.
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Affiliation(s)
- Yan Wang
- Department of Pathology, Affiliated Hospital of Nantong University, Nantong, Jiangsu 226001, P.R. China
| | - Mengjing Sun
- Department of Clinical Biobank, Affiliated Hospital of Nantong University, Nantong, Jiangsu 226001, P.R. China.,Department of Pathology, School of Medicine, Nantong University, Nantong, Jiangsu 226001, P.R. China
| | - Jibin Liu
- Department of Tumor Biobank, Nantong Tumor Hospital, Nantong, Jiangsu 226361, P.R. China
| | - Ying Liu
- Department of Pathology, Affiliated Hospital of Nantong University, Nantong, Jiangsu 226001, P.R. China
| | - Chunyi Jiang
- Department of Pathology, Affiliated Hospital of Nantong University, Nantong, Jiangsu 226001, P.R. China
| | - Huijun Zhu
- Department of Pathology, Affiliated Hospital of Nantong University, Nantong, Jiangsu 226001, P.R. China
| | - Wei Wang
- Department of Pathology, Affiliated Hospital of Nantong University, Nantong, Jiangsu 226001, P.R. China
| | - Yao Wang
- Department of General Surgery, Affiliated Hospital of Nantong University, Nantong, Jiangsu 226001, P.R. China
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Casals C, García-Fojeda B, Minutti CM. Soluble defense collagens: Sweeping up immune threats. Mol Immunol 2019; 112:291-304. [DOI: 10.1016/j.molimm.2019.06.007] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2019] [Revised: 06/12/2019] [Accepted: 06/13/2019] [Indexed: 12/14/2022]
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24
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Jiang L, Shao Y, Xing R, Li C, Cui Y, Zhang W, Zhao X. Identification and characterization of a novel PRR of fibrinogen-related protein in Apostichopus japonicus. FISH & SHELLFISH IMMUNOLOGY 2018; 82:68-76. [PMID: 30092256 DOI: 10.1016/j.fsi.2018.08.010] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/02/2018] [Revised: 08/03/2018] [Accepted: 08/04/2018] [Indexed: 06/08/2023]
Abstract
Fibrinogen-related proteins (FREPs) play important roles in innate immunity by recognizing pathogen associated molecular patterns on pathogenic bacteria surfaces via conserved fibrinogen-like domain (FBG). In this paper, the full-length cDNA of Apostichopus japonicus FREP (designated as AjFREP) was cloned combined with rapid amplification of cDNA ends (RACE) and transcriptome sequencing. The full-length cDNA of AjFREP was of 2110 bp with an open reading frame (ORF) of 1659 bp. SMART analysis revealed that the AjFREP contained a typical signal peptide of 19 amino acid residues, a FBG and two unusual epidermal growth factor-like domains (EGFs). Multiple sequence alignments suggested that FBG domain shared a remarkably high structural conservation in polypeptide binding site and Ca2+ binding site. Tissue distribution analysis revealed that AjFREP was constitutively expressed in all examined tissues with the largest magnitude in coelomocytes, indicating AjFREP might play an important role in immune defense. The mRNA level of AjFREP in coelomocytes was sharply up-regulated by Vibrio splendidus challenge, and reached its peak expression at 48 h. Knock-down AjFREP by specific siRNA could significantly repress the coelomocyte phagocytosis rate. Meantime, the survival number of V. splendidus in the coelomic fluid was promoted. All these current results indicated that AjFREP might be involved in pathogen clearance through mediating coelomocytes phagocytosis activity.
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Affiliation(s)
- Liting Jiang
- School of Marine Sciences, Ningbo University, Ningbo, 315211, PR China
| | - Yina Shao
- School of Marine Sciences, Ningbo University, Ningbo, 315211, PR China
| | - Ronglian Xing
- College of Life Sciences, Yantai University, Yantai, 264005, PR China
| | - Chenghua Li
- School of Marine Sciences, Ningbo University, Ningbo, 315211, PR China; College of Life Sciences, Yantai University, Yantai, 264005, PR China.
| | - Yi Cui
- School of Marine Sciences, Ningbo University, Ningbo, 315211, PR China
| | - Weiwei Zhang
- School of Marine Sciences, Ningbo University, Ningbo, 315211, PR China
| | - Xuelin Zhao
- School of Marine Sciences, Ningbo University, Ningbo, 315211, PR China
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25
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Yaprak E, Kasap M, Akpinar G, Islek EE, Sinanoglu A. Abundant proteins in platelet-rich fibrin and their potential contribution to wound healing: An explorative proteomics study and review of the literature. J Dent Sci 2018; 13:386-395. [PMID: 30895150 PMCID: PMC6388803 DOI: 10.1016/j.jds.2018.08.004] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2018] [Revised: 07/01/2018] [Indexed: 01/12/2023] Open
Abstract
Background/purpose It is well-known that diverse types of blood proteins contribute to healing process via different mechanisms. Presence and potential involvements of blood-derived abundant proteins in the platelet-rich fibrin (PRF) to its regenerative capacity have not been sufficiently emphasized in the literature. The aim of this paper was to analyze the abundant proteome content of PRF and summarize previously reported effects of identified proteins on wound healing via a literature review. Materials and methods The PRF samples obtained from non-smoking, systemically healthy volunteers were subjected to 2D gel electrophoresis after extracting the proteins from fibrin matrices. All matching spots were excised from the gels and identified by MALDI TOF/TOF MS/MS analysis. A literature review was conducted to reveal possible contributions of identified proteins to wound healing. Results Totally, thirty-five blood proteins were commonly identified among all studied samples. These proteins included serine protease inhibitors, such as alpha-1-antitrypsin, alpha-1-antichymotrypsin, alpha-1-acid glycoprotein, inter-alpha-trypsin-inhibitor, protease C1 inhibitor, and complement proteins. In addition, abundant presence of immunoglobulin G was observed. The abundance of albumin, haptoglobin, ceruloplasmin vitronectin, fetuin-A, ficolin-3 and transthyretin was also detected. Conclusion The results of this study indicated that PRF abundantly contains blood-origin actors which were previously reported for their direct contribution to wound healing. Further studies exploring the protein content of PRF are needed to reveal its undisclosed potential roles in the healing process.
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Affiliation(s)
- Emre Yaprak
- Kocaeli University, Faculty of Dentistry, Department of Periodontology, Kocaeli, Turkey
- Corresponding author. Kocaeli University, Faulty of Dentistry, Department of Periodontology, Yuvacik, Basiskele, Kocaeli, Turkey. Fax: +90 2623442109.
| | - Murat Kasap
- Kocaeli University, Faculty of Medicine, Department of Medical Biology, Kocaeli, Turkey
| | - Gurler Akpinar
- Kocaeli University, Faculty of Medicine, Department of Medical Biology, Kocaeli, Turkey
| | - Eylul Ece Islek
- Kocaeli University, Faculty of Medicine, Department of Medical Biology, Kocaeli, Turkey
| | - Alper Sinanoglu
- Kocaeli University, Faculty of Dentistry, Department of Oral and Maxillofacial Radiology, Oral Diagnosis Clinic, Kocaeli, Turkey
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Chopin-Doroteo M, Salgado-Curiel RM, Pérez-González J, Marín-Santibáñez BM, Krötzsch E. Fibroblast populated collagen lattices exhibit opposite biophysical conditions by fibrin or hyaluronic acid supplementation. J Mech Behav Biomed Mater 2018; 82:310-319. [DOI: 10.1016/j.jmbbm.2018.03.042] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2017] [Revised: 02/22/2018] [Accepted: 03/30/2018] [Indexed: 12/20/2022]
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Keam SP, Gulati T, Gamell C, Caramia F, Huang C, Schittenhelm RB, Kleifeld O, Neeson PJ, Haupt Y, Williams SG. Exploring the oncoproteomic response of human prostate cancer to therapeutic radiation using data-independent acquisition (DIA) mass spectrometry. Prostate 2018. [PMID: 29520850 DOI: 10.1002/pros.23500] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
INTRODUCTION The development of radioresistance in prostate cancer (PCa) is an important clinical issue and is still largely uninformed by personalized molecular characteristics. The aim of this study was to establish a platform that describes the early oncoproteomic response of human prostate tissue to radiation therapy (RT) using a prospective human tissue cohort. METHODS Fresh and fixed transperineal biopsies from eight men with clinically localized tumors were taken prior to and 14 days following a single fraction of high-dose-rate brachytherapy. Quantitative protein analysis was achieved using an optimized protein extraction pipeline and subsequent data-independent acquisition mass spectroscopy (DIA-MS). Ontology analyses were used to identify enriched functional pathways, with the candidates further interrogated in formalin-fixed paraffin-embedded tissue biopsies from five additional patients. RESULTS We obtained a mean coverage of 5660 proteins from fresh tissue biopsies; with the principal post-radiation change observed being an increase in levels amongst a total of 49 proteins exhibiting abundance changes. Many of these changes in abundance varied between patients and, typically to prostate cancer tissue, exhibited a high level of heterogeneity. Ontological analysis revealed the enrichment of the protein activation cascades of three immunological pathways: humoral immune response, leukocyte mediated immunity and complement activation. These were predominantly associated with the extracellular space. We validated significant expression differences in between 20% and 61% of these candidates using the separate fixed-tissue cohort and established their feasibility as an experimental tissue resource by acquiring quantitative data for a mean of 5152 proteins per patient. DISCUSSION In this prospective study, we have established a sensitive and reliable oncoproteomic pipeline for the analysis of both fresh and formalin-fixed human PCa tissue. We identified multiple pathways known to be radiation-responsive and have established a powerful database of candidates and pathways with no current association with RT. This information may be beneficial in the advancement of personalized therapies and potentially, predictive biomarkers.
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Affiliation(s)
- Simon P Keam
- Tumor Suppression Laboratory, Peter MacCallum Cancer Centre, Melbourne, Victoria, Australia
| | - Twishi Gulati
- Tumor Suppression Laboratory, Peter MacCallum Cancer Centre, Melbourne, Victoria, Australia
| | - Cristina Gamell
- Tumor Suppression Laboratory, Peter MacCallum Cancer Centre, Melbourne, Victoria, Australia
- The Sir Peter MacCallum Department of Oncology, The University of Melbourne, Melbourne, Victoria, Australia
| | - Franco Caramia
- Tumor Suppression Laboratory, Peter MacCallum Cancer Centre, Melbourne, Victoria, Australia
| | - Cheng Huang
- Monash Biomedical Proteomics Facility, Biomedicine Discovery Institute and Department of Biochemistry and Molecular Biology, Monash University, Clayton, Victoria, Australia
| | - Ralf B Schittenhelm
- Monash Biomedical Proteomics Facility, Biomedicine Discovery Institute and Department of Biochemistry and Molecular Biology, Monash University, Clayton, Victoria, Australia
| | - Oded Kleifeld
- The Smoler Proteomics Center Technion, Israel Institute of Technology, Haifa, Israel
| | - Paul J Neeson
- The Sir Peter MacCallum Department of Oncology, The University of Melbourne, Melbourne, Victoria, Australia
- Cancer Immunology Research, Peter MacCallum Cancer Centre, Melbourne, Victoria, Australia
- Department of Pathology, The University of Melbourne, Melbourne, Victoria, Australia
| | - Ygal Haupt
- Tumor Suppression Laboratory, Peter MacCallum Cancer Centre, Melbourne, Victoria, Australia
- The Sir Peter MacCallum Department of Oncology, The University of Melbourne, Melbourne, Victoria, Australia
- Monash Biomedical Proteomics Facility, Biomedicine Discovery Institute and Department of Biochemistry and Molecular Biology, Monash University, Clayton, Victoria, Australia
- Department of Pathology, The University of Melbourne, Melbourne, Victoria, Australia
| | - Scott G Williams
- Division of Radiation Oncology and Cancer Imaging, Peter MacCallum Cancer Centre, Melbourne, Victoria, Australia
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Aderibigbe BA, Buyana B. Alginate in Wound Dressings. Pharmaceutics 2018; 10:E42. [PMID: 29614804 PMCID: PMC6027439 DOI: 10.3390/pharmaceutics10020042] [Citation(s) in RCA: 340] [Impact Index Per Article: 56.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2018] [Revised: 02/16/2018] [Accepted: 02/17/2018] [Indexed: 02/07/2023] Open
Abstract
Alginate is a biopolymer used in a variety of biomedical applications due to its favourable properties, such as biocompatibility and non-toxicity. It has been particularly attractive in wound healing applications to date. It can be tailored to materials with properties suitable for wound healing. Alginate has been used to prepare different forms of materials for wound dressings, such as hydrogels, films, wafers, foams, nanofibres, and in topical formulations. The wound dressings prepared from alginate are able to absorb excess wound fluid, maintain a physiologically moist environment, and minimize bacterial infections at the wound site. The therapeutic efficacy of these wound dressings is influenced by the ratio of other polymers used in combination with alginate, the nature of cross linkers used, the time of crosslinking, nature of excipients used, the incorporation of nanoparticles, and antibacterial agents. This review provides a comprehensive overview of the different forms of wound dressings containing alginate, in vitro, and in vivo results.
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Affiliation(s)
- Blessing Atim Aderibigbe
- Department of Chemistry, University of Fort Hare, Alice Campus, Eastern Cape 5700, South Africa.
| | - Buhle Buyana
- Department of Chemistry, University of Fort Hare, Alice Campus, Eastern Cape 5700, South Africa.
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Ferrario C, Ben Khadra Y, Czarkwiani A, Zakrzewski A, Martinez P, Colombo G, Bonasoro F, Candia Carnevali MD, Oliveri P, Sugni M. Fundamental aspects of arm repair phase in two echinoderm models. Dev Biol 2017; 433:297-309. [PMID: 29291979 DOI: 10.1016/j.ydbio.2017.09.035] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2017] [Revised: 06/05/2017] [Accepted: 09/28/2017] [Indexed: 12/15/2022]
Abstract
Regeneration is a post-embryonic developmental process that ensures complete morphological and functional restoration of lost body parts. The repair phase is a key step for the effectiveness of the subsequent regenerative process: in vertebrates, efficient re-epithelialisation, rapid inflammatory/immune response and post-injury tissue remodelling are fundamental aspects for the success of this phase, their impairment leading to an inhibition or total prevention of regeneration. Among deuterostomes, echinoderms display a unique combination of striking regenerative abilities and diversity of useful experimental models, although still largely unexplored. Therefore, the brittle star Amphiura filiformis and the starfish Echinaster sepositus were here used to comparatively investigate the main repair phase events after injury as well as the presence and expression of immune system and extracellular matrix (i.e. collagen) molecules using both microscopy and molecular tools. Our results showed that emergency reaction and re-epithelialisation are similar in both echinoderm models, being faster and more effective than in mammals. Moreover, in comparison to the latter, both echinoderms showed delayed and less abundant collagen deposition at the wound site (absence of fibrosis). The gene expression patterns of molecules related to the immune response, such as Ese-fib-like (starfishes) and Afi-ficolin (brittle stars), were described for the first time during echinoderm regeneration providing promising starting points to investigate the immune system role in these regeneration models. Overall, the similarities in repair events and timing within the echinoderms and the differences with what has been reported in mammals suggest that effective repair processes in echinoderms play an important role for their subsequent ability to regenerate. Targeted molecular and functional analyses will shed light on the evolution of these abilities in the deuterostomian lineage.
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Affiliation(s)
- Cinzia Ferrario
- Dipartimento di Bioscienze, Università degli Studi di Milano, via Celoria, 26, 20133 Milano, Italy; Center for Complexity&Biosystems, Dipartimento di Fisica, Università degli Studi di Milano, via Celoria, 16, 20133 Milano, Italy; Dipartimento di Scienze e Politiche Ambientali, Università degli Studi di Milano, via Celoria, 2, 20133 Milano, Italy.
| | - Yousra Ben Khadra
- Laboratoire de Recherche, Génétique, Biodiversité et Valorisation des Bioressources, Institut Supérieur de Biotechnologie de Monastir, Université de Monastir, Monastir, Tunisia.
| | - Anna Czarkwiani
- Department of Genetics, Evolution and Environment, University College London, Darwin Building, Gower Street, WC1E 6BT London, United Kingdom.
| | - Anne Zakrzewski
- Department of Genetics, Evolution and Environment, University College London, Darwin Building, Gower Street, WC1E 6BT London, United Kingdom.
| | - Pedro Martinez
- Departament de Genètica, Microbiologia I Estadística, Universitat de Barcelona, Av. Diagonal, 645, E-08028 Barcelona, Spain; ICREA (Institut Català de Recerca i Estudis Avancats), Barcelona, Spain.
| | - Graziano Colombo
- Dipartimento di Bioscienze, Università degli Studi di Milano, via Celoria, 26, 20133 Milano, Italy.
| | - Francesco Bonasoro
- Dipartimento di Bioscienze, Università degli Studi di Milano, via Celoria, 26, 20133 Milano, Italy; Dipartimento di Scienze e Politiche Ambientali, Università degli Studi di Milano, via Celoria, 2, 20133 Milano, Italy.
| | - Maria Daniela Candia Carnevali
- Dipartimento di Bioscienze, Università degli Studi di Milano, via Celoria, 26, 20133 Milano, Italy; Dipartimento di Scienze e Politiche Ambientali, Università degli Studi di Milano, via Celoria, 2, 20133 Milano, Italy.
| | - Paola Oliveri
- Department of Genetics, Evolution and Environment, University College London, Darwin Building, Gower Street, WC1E 6BT London, United Kingdom.
| | - Michela Sugni
- Dipartimento di Bioscienze, Università degli Studi di Milano, via Celoria, 26, 20133 Milano, Italy; Center for Complexity&Biosystems, Dipartimento di Fisica, Università degli Studi di Milano, via Celoria, 16, 20133 Milano, Italy; Dipartimento di Scienze e Politiche Ambientali, Università degli Studi di Milano, via Celoria, 2, 20133 Milano, Italy.
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von Huth S, Moeller JB, Schlosser A, Marcussen N, Nielsen O, Nielsen V, Sorensen GL, Holmskov U. Immunohistochemical Localization of Fibrinogen C Domain Containing 1 on Epithelial and Mucosal Surfaces in Human Tissues. J Histochem Cytochem 2017; 66:85-97. [PMID: 29220632 DOI: 10.1369/0022155417743694] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
Fibrinogen C domain containing 1 (FIBCD1) is a transmembrane receptor that binds chitin and other acetylated compounds with high affinity. FIBCD1 has previously been shown to be present in the epithelium of the gastrointestinal tract. In the present study, we performed a detailed analysis of normally structured human tissues for the expression of FIBCD1 by quantitative PCR and immunohistochemistry. We find that FIBCD1 is expressed in epithelial cells derived from all three germ layers. Endodermal-derived epithelial cells throughout the gastrointestinal tract and the respiratory system showed high expression of FIBCD1 and also mesodermal-derived cells in the genitourinary system and ectodermal-derived epidermis and sebaceous glands cells expressed FIBCD1. In some columnar epithelial cells, for example, in the salivary gland and gall bladder, the FIBCD1 expression was clearly polarized with strong apical reaction, while other columnar cells, for example, in small and large intestine and in bronchi, the staining was equally strong apically and basolaterally. In keratinocytes in skin, tongue, and oral cavity, the FIBCD1 staining was granular. This expression pattern together with the known binding properties supports that FIBCD1 plays a role in innate immunity in the skin and at mucosal surfaces.
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Affiliation(s)
- Sebastian von Huth
- Cancer and Inflammation Research, Department of Molecular Medicine, University of Southern Denmark, Odense, Denmark
| | - Jesper B Moeller
- Cancer and Inflammation Research, Department of Molecular Medicine, University of Southern Denmark, Odense, Denmark
| | - Anders Schlosser
- Cancer and Inflammation Research, Department of Molecular Medicine, University of Southern Denmark, Odense, Denmark
| | - Niels Marcussen
- Department of Pathology, Odense University Hospital, Odense, Denmark
| | - Ole Nielsen
- Department of Pathology, Odense University Hospital, Odense, Denmark
| | - Vicki Nielsen
- Cancer and Inflammation Research, Department of Molecular Medicine, University of Southern Denmark, Odense, Denmark
| | - Grith L Sorensen
- Cancer and Inflammation Research, Department of Molecular Medicine, University of Southern Denmark, Odense, Denmark
| | - Uffe Holmskov
- Cancer and Inflammation Research, Department of Molecular Medicine, University of Southern Denmark, Odense, Denmark
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Zuliani-Alvarez L, Marzeda AM, Deligne C, Schwenzer A, McCann FE, Marsden BD, Piccinini AM, Midwood KS. Mapping tenascin-C interaction with toll-like receptor 4 reveals a new subset of endogenous inflammatory triggers. Nat Commun 2017; 8:1595. [PMID: 29150600 PMCID: PMC5693923 DOI: 10.1038/s41467-017-01718-7] [Citation(s) in RCA: 73] [Impact Index Per Article: 10.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2016] [Accepted: 10/05/2017] [Indexed: 02/08/2023] Open
Abstract
Pattern recognition underpins innate immunity; the accurate identification of danger, including infection, injury, or tumor, is key to an appropriately targeted immune response. Pathogen detection is increasingly well defined mechanistically, but the discrimination of endogenous inflammatory triggers remains unclear. Tenascin-C, a matrix protein induced upon tissue damage and expressed by tumors, activates toll-like receptor 4 (TLR4)-mediated sterile inflammation. Here we map three sites within tenascin-C that directly and cooperatively interact with TLR4. We also identify a conserved inflammatory epitope in related proteins from diverse families, and demonstrate that its presence targets molecules for TLR detection, while its absence enables escape of innate immune surveillance. These data reveal a unique molecular code that defines endogenous proteins as inflammatory stimuli by marking them for recognition by TLRs.
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Affiliation(s)
- Lorena Zuliani-Alvarez
- Kennedy Institute of Rheumatology, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Roosevelt Drive, Headington, Oxford, OX3 7FY, UK
| | - Anna M Marzeda
- Kennedy Institute of Rheumatology, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Roosevelt Drive, Headington, Oxford, OX3 7FY, UK
| | - Claire Deligne
- Kennedy Institute of Rheumatology, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Roosevelt Drive, Headington, Oxford, OX3 7FY, UK
| | - Anja Schwenzer
- Kennedy Institute of Rheumatology, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Roosevelt Drive, Headington, Oxford, OX3 7FY, UK
| | - Fiona E McCann
- Kennedy Institute of Rheumatology, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Roosevelt Drive, Headington, Oxford, OX3 7FY, UK
| | - Brian D Marsden
- Kennedy Institute of Rheumatology, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Roosevelt Drive, Headington, Oxford, OX3 7FY, UK.,Structural Genomics Consortium, Nuffield Department of Clinical Medicine, University of Oxford, Roosevelt Drive, Headington, Oxford, OX3 7DQ, UK
| | - Anna M Piccinini
- Kennedy Institute of Rheumatology, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Roosevelt Drive, Headington, Oxford, OX3 7FY, UK.,School of Pharmacy, University of Nottingham, Nottingham, NG7 2RD, UK
| | - Kim S Midwood
- Kennedy Institute of Rheumatology, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Roosevelt Drive, Headington, Oxford, OX3 7FY, UK.
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Bhattacharyya S, Varga J. Endogenous ligands of TLR4 promote unresolving tissue fibrosis: Implications for systemic sclerosis and its targeted therapy. Immunol Lett 2017; 195:9-17. [PMID: 28964818 DOI: 10.1016/j.imlet.2017.09.011] [Citation(s) in RCA: 45] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2017] [Revised: 09/27/2017] [Accepted: 09/27/2017] [Indexed: 02/07/2023]
Abstract
Fibrosis, the hallmark of scleroderma or systemic sclerosis (SSc), is a complex, dynamic and generally irreversible pathophysiological process that leads to tissue disruption, and lacks effective therapy. While early-stage fibrosis resembles normal wound healing, in SSc fibrosis fails to resolve. Innate immune signaling via toll-like receptors (TLRs) has recently emerged as a key driver of persistent fibrotic response in SSc. Recurrent injury in genetically predisposed individual causes generation of "damage-associated molecular patterns" (DAMPs) such as fibronectin-EDA and tenascin-C. Sensing of these danger signals by TLR4 on resident cells elicits potent stimulatory effects on fibrotic gene expression and myofibroblast differentiation, and appears to sensitize fibroblasts to the profibrotic stimulatory effect of TGF-β. Thus, DAMPs induce TLR4-mediated innate immune signaling on resident mesenchymal cells which drives the emergence and persistence of fibrotic cells in tissues, and underlies the switch from a self-limited repair response to non-resolving pathological fibrosis characteristic of SSc. In this review, we present current views of the DAMP-TLR4 axis in driving sustained fibroblasts activation and its pathogenic roles in fibrosis progression in SSc, and potential anti-fibrotic approaches for selective therapeutic targeting of TLR4 signaling.
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Affiliation(s)
- Swati Bhattacharyya
- Northwestern Scleroderma Program, Feinberg School of Medicine, Chicago, IL, United States.
| | - John Varga
- Northwestern Scleroderma Program, Feinberg School of Medicine, Chicago, IL, United States
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Xavier-Elsas P, Ferreira RN, Gaspar-Elsas MIC. Surgical and immune reconstitution murine models in bone marrow research: Potential for exploring mechanisms in sepsis, trauma and allergy. World J Exp Med 2017; 7:58-77. [PMID: 28890868 PMCID: PMC5571450 DOI: 10.5493/wjem.v7.i3.58] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/27/2017] [Revised: 06/11/2017] [Accepted: 06/30/2017] [Indexed: 02/06/2023] Open
Abstract
Bone marrow, the vital organ which maintains lifelong hemopoiesis, currently receives considerable attention, as a source of multiple cell types which may play important roles in repair at distant sites. This emerging function, distinct from, but closely related to, bone marrow roles in innate immunity and inflammation, has been characterized through a number of strategies. However, the use of surgical models in this endeavour has hitherto been limited. Surgical strategies allow the experimenter to predetermine the site, timing, severity and invasiveness of injury; to add or remove aggravating factors (such as infection and defects in immunity) in controlled ways; and to manipulate the context of repair, including reconstitution with selected immune cell subpopulations. This endows surgical models overall with great potential for exploring bone marrow responses to injury, inflammation and infection, and its roles in repair and regeneration. We review three different murine surgical models, which variously combine trauma with infection, antigenic stimulation, or immune reconstitution, thereby illuminating different aspects of the bone marrow response to systemic injury in sepsis, trauma and allergy. They are: (1) cecal ligation and puncture, a versatile model of polymicrobial sepsis; (2) egg white implant, an intriguing model of eosinophilia induced by a combination of trauma and sensitization to insoluble allergen; and (3) ectopic lung tissue transplantation, which allows us to dissect afferent and efferent mechanisms leading to accumulation of hemopoietic cells in the lungs. These models highlight the gain in analytical power provided by the association of surgical and immunological strategies.
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Wu XJ, Dinguirard N, Sabat G, Lui HD, Gonzalez L, Gehring M, Bickham-Wright U, Yoshino TP. Proteomic analysis of Biomphalaria glabrata plasma proteins with binding affinity to those expressed by early developing larval Schistosoma mansoni. PLoS Pathog 2017; 13:e1006081. [PMID: 28520808 PMCID: PMC5433772 DOI: 10.1371/journal.ppat.1006081] [Citation(s) in RCA: 39] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2016] [Accepted: 11/20/2016] [Indexed: 11/19/2022] Open
Abstract
Interactions between early developing Schistosoma mansoni larval stages and the hemolymph of its snail intermediate host represent the first molecular encounter with the snail’s immune system. To gain a more comprehensive understanding of this early parasite-host interaction, biotinylated sporocyst tegumental membrane (Mem) proteins and larval transformation proteins (LTP) were affixed to streptavidin-agarose beads and used as affinity matrices to enrich for larval-reactive plasma proteins from susceptible (NMRI) and resistant (BS-90) strains of the snail Biomphalaria glabrata. Nano-LC/MS-MS proteomic analyses of isolated plasma proteins revealed a diverse array of 94 immune-and nonimmune-related plasma proteins. Included among the immune-related subset were pattern recognition receptors (lectins, LPS-binding protein, thioester-containing proteins-TEPs), stress proteins (HSP60 and 70), adhesion proteins (dermatopontins), metalloproteases (A Disintegrin And Metalloproteinase (ADAM), ADAM-related Zn proteinases), cytotoxins (biomphalysin) and a Ca2+-binding protein (neo-calmodulin). Variable immunoglobulin and lectin domain (VIgL) gene family members, including fibrinogen-related proteins (FREPs), galectin-related proteins (GREPs) and C-type lectin-related proteins (CREPs), were the most prevalent of larval-reactive immune lectins present in plasma. FREPs were highly represented, although only a subset of FREP subfamilies (FREP 2, 3 and 12) were identified, suggesting potential selectivity in the repertoire of plasma lectins recognizing larval glycoconjugates. Other larval-binding FREP-like and CREP-like proteins possessing a C-terminal fibrinogen-related domain (FReD) or C-type lectin binding domain, respectively, and an Ig-fold domain also were identified as predicted proteins from the B. glabrata genome, although incomplete sequence data precluded their placement into specific FREP/CREP subfamilies. Similarly, a group of FReD-containing proteins (angiopoeitin-4, ficolin-2) that lacked N-terminal Ig-fold(s) were identified as a distinct group of FREP-like proteins, separate from the VIgL lectin family. Finally, differential appearance of GREPs in BS-90 plasma eluates, and others proteins exclusively found in eluates of the NMRI strain, suggested snail strain differences in the expression of select larval-reactive immune proteins. This hypothesis was supported by the finding that differential gene expression of the GREP in BS-90 and ADAM in NMRI snail strains generally correlated with their patterns of protein expression. In summary, this study is the first to provide a global comparative proteomic analysis of constitutively expressed plasma proteins from susceptible and resistant B. glabrata strains capable of binding early-expressed larval S. mansoni proteins. Identified proteins, especially those exhibiting differential expression, may play a role in determining immune compatibility in this snail host-parasite system. A complete listing of raw peptide data are available via ProteomeXchange using identifier PXD004942. Transmission of the human blood fluke Schistosoma mansoni critically depends on the successful establishment of infections within species of its snail intermediate host, Biomphalaria. One of the most important barriers to infection is the host’s innate immune system, comprised of plasma proteins and immunocytes (hemocytes) circulating in the hemolymph. Although expression of plasma lectin genes appears to be associated with larval resistance in B. glabrata, few studies have attempted an in depth analysis of gene-encoded lectins, and other immune proteins, that are capable of directly binding schistosome larvae. Using affinity matrices linked to schistosome proteins expressed during early larval development, we identified and compared the parasite-reactive plasma proteins from the susceptible NMRI and resistant BS-90 strains of B. glabrata. Proteomic analyses of isolated plasma proteins revealed a diversity immune-related proteins including lectins, pathogen recognition receptors, cytotoxins, adhesion proteins, metalloproteinases, and Ca2+-binding proteins. Of the lectins, the variable immunoglobulin and lectin domain (VIgL) gene family of proteins comprised of fibrinogen-related proteins (FREPs), galectin-related proteins (GREPs) and C-type lectin-related proteins (CREPs), were highly represented, and consistent with their role in host immunity. Two proteins (GREP and a Zn-metalloproteinase) exhibited snail strain-associated protein and gene expression patterns suggesting their involvement in innate immune responses to larval infection. This comparative proteomic analysis of larval S. mansoni-reactive plasma proteins from susceptible and resistant B. glabrata strains represents the first of its kind and provides valuable insights into possible pathogen recognition receptors and other immune factors regulating parasite-host compatibility in this model system.
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Affiliation(s)
- Xiao-Jun Wu
- Department of Pathobiological Sciences, University of Wisconsin, Madison, WI, United States of America
| | - Nathalie Dinguirard
- Department of Pathobiological Sciences, University of Wisconsin, Madison, WI, United States of America
| | - Grzegorz Sabat
- Biotechnology Center, Mass Spectrometry/Proteomics Facility, University of Wisconsin, Madison, WI, United States of America
| | - Hong-di Lui
- Department of Pathobiological Sciences, University of Wisconsin, Madison, WI, United States of America
| | - Laura Gonzalez
- Department of Pathobiological Sciences, University of Wisconsin, Madison, WI, United States of America
| | - Michael Gehring
- Department of Pathobiological Sciences, University of Wisconsin, Madison, WI, United States of America
| | - Utibe Bickham-Wright
- Department of Pathobiological Sciences, University of Wisconsin, Madison, WI, United States of America
| | - Timothy P. Yoshino
- Department of Pathobiological Sciences, University of Wisconsin, Madison, WI, United States of America
- * E-mail:
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Viloria K, Hill NJ. Embracing the complexity of matricellular proteins: the functional and clinical significance of splice variation. Biomol Concepts 2017; 7:117-32. [PMID: 27135623 DOI: 10.1515/bmc-2016-0004] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2016] [Accepted: 03/24/2016] [Indexed: 01/02/2023] Open
Abstract
Matricellular proteins influence wide-ranging fundamental cellular processes including cell adhesion, migration, growth and differentiation. They achieve this both through interactions with cell surface receptors and regulation of the matrix environment. Many matricellular proteins are also associated with diverse clinical disorders including cancer and diabetes. Alternative splicing is a precisely regulated process that can produce multiple isoforms with variable functions from a single gene. To date, the expression of alternate transcripts for the matricellular family has been reported for only a handful of genes. Here we analyse the evidence for alternative splicing across the matricellular family including the secreted protein acidic and rich in cysteine (SPARC), thrombospondin, tenascin and CCN families. We find that matricellular proteins have double the average number of splice variants per gene, and discuss the types of domain affected by splicing in matricellular proteins. We also review the clinical significance of alternative splicing for three specific matricellular proteins that have been relatively well characterised: osteopontin (OPN), tenascin-C (TNC) and periostin. Embracing the complexity of matricellular splice variants will be important for understanding the sometimes contradictory function of these powerful regulatory proteins, and for their effective clinical application as biomarkers and therapeutic targets.
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Dai YJ, Wang YQ, Zhang YH, Liu Y, Li JQ, Wei S, Zhao LJ, Zhou YC, Lin L, Lan JF. The role of ficolin-like protein (PcFLP1) in the antibacterial immunity of red swamp crayfish (Procambarus clarkii). Mol Immunol 2017; 81:26-34. [PMID: 27888717 DOI: 10.1016/j.molimm.2016.11.017] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2016] [Revised: 11/14/2016] [Accepted: 11/18/2016] [Indexed: 01/04/2023]
Abstract
In invertebrates, ficolin-like proteins (FLPs) play important roles in innate immunity against pathogens. Previous studies primarily investigated the functions of FLPs in immune recognition, activation, and regulation. However, limited research has examined the functions of FLPs as immune effectors. In this work, a ficolin-like protein was identified in red swam crayfish (Procambarus clarkii) and designated as PcFLP1. Quantitative RT-PCR and western blot were employed to analyze the distribution and expression profiles of PcFLP1 in the tissues of the crayfish. The results indicated that PcFLP1 was present in all tested tissues, including hemocytes, heart, hepatopancreas, gill, stomach, and mid-intestine. The expression level of PcFLP1 was up-regulated in hemocytes, hepatopancreas and mid-intestines of the crayfish challenged with Vibrio parahaemolyticus. Further study demonstrated that PcFLP1 could protect the hepatopancreatic cells of crayfish from V. parahaemolyticus infection. The recombinant PcFLP1 enhanced bacterial elimination in crayfish, whereas the antibacterial action was inhibited after PcFLP1 was knocked down. Furthermore, PcFLP1 could bound to bacteria and inhibited bacterial replication. These results demonstrated that PcFLP1 plays an important role in the anti-Vibrio immunity of red swamp crayfish.
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Affiliation(s)
- Yun-Jia Dai
- Department of Aquatic Animal Medicine, Research Center for Marine Biology, College of Fisheries, Huazhong Agricultural University, Wuhan, Hubei, 430070, China
| | - Yu-Qing Wang
- Department of Aquatic Animal Medicine, Research Center for Marine Biology, College of Fisheries, Huazhong Agricultural University, Wuhan, Hubei, 430070, China
| | - Ying-Hao Zhang
- Department of Aquatic Animal Medicine, Research Center for Marine Biology, College of Fisheries, Huazhong Agricultural University, Wuhan, Hubei, 430070, China
| | - Yan Liu
- Department of Aquatic Animal Medicine, Research Center for Marine Biology, College of Fisheries, Huazhong Agricultural University, Wuhan, Hubei, 430070, China
| | - Jin-Quan Li
- Department of Aquatic Animal Medicine, Research Center for Marine Biology, College of Fisheries, Huazhong Agricultural University, Wuhan, Hubei, 430070, China
| | - Shun Wei
- Department of Aquatic Animal Medicine, Research Center for Marine Biology, College of Fisheries, Huazhong Agricultural University, Wuhan, Hubei, 430070, China
| | - Li-Juan Zhao
- Department of Aquatic Animal Medicine, Research Center for Marine Biology, College of Fisheries, Huazhong Agricultural University, Wuhan, Hubei, 430070, China
| | - Yong-Can Zhou
- State Key Laboratory of Marine Resource Utilization in South China Sea, Hainan Provincial Key Laboratory for Tropical Hydrobiology and Biotechnology, College of Marine Science, Hainan University, Haikou 570228, China
| | - Li Lin
- Department of Aquatic Animal Medicine, Research Center for Marine Biology, College of Fisheries, Huazhong Agricultural University, Wuhan, Hubei, 430070, China; State Key Laboratory of Marine Resource Utilization in South China Sea, Hainan Provincial Key Laboratory for Tropical Hydrobiology and Biotechnology, College of Marine Science, Hainan University, Haikou 570228, China.
| | - Jiang-Feng Lan
- Department of Aquatic Animal Medicine, Research Center for Marine Biology, College of Fisheries, Huazhong Agricultural University, Wuhan, Hubei, 430070, China.
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37
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Santa Maria PL, Kim S, Varsak YK, Yang YP. In Response to the Letter to the Editor Regarding: Heparin Binding-Epidermal Growth Factor-Like Growth Factor for the Regeneration of Chronic Tympanic Membrane Perforations in Mice. Tissue Eng Part A 2016; 22:570-1. [PMID: 26908042 DOI: 10.1089/ten.tea.2016.0059] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Affiliation(s)
- Peter Luke Santa Maria
- 1 Department of Otolaryngology, Head and Neck Surgery, Stanford University , Stanford, California
| | - Sungwoo Kim
- 2 Department of Orthopedic Surgery, Stanford University , Stanford, California
| | - Yasin Kursad Varsak
- 1 Department of Otolaryngology, Head and Neck Surgery, Stanford University , Stanford, California
| | - Yunzhi Peter Yang
- 2 Department of Orthopedic Surgery, Stanford University , Stanford, California.,3 Materials Science and Engineering, Stanford University , Stanford, California
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