1
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Lothstein KE, Chen F, Mishra P, Smyth DJ, Wu W, Lemenze A, Kumamoto Y, Maizels RM, Gause WC. Helminth protein enhances wound healing by inhibiting fibrosis and promoting tissue regeneration. Life Sci Alliance 2024; 7:e202302249. [PMID: 39179288 PMCID: PMC11342954 DOI: 10.26508/lsa.202302249] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2023] [Revised: 08/04/2024] [Accepted: 08/05/2024] [Indexed: 08/26/2024] Open
Abstract
Skin wound healing due to full thickness wounds typically results in fibrosis and scarring, where parenchyma tissue is replaced with connective tissue. A major advance in wound healing research would be to instead promote tissue regeneration. Helminth parasites express excretory/secretory (ES) molecules, which can modulate mammalian host responses. One recently discovered ES protein, TGF-β mimic (TGM), binds the TGF-β receptor, though likely has other activities. Here, we demonstrate that topical administration of TGM under a Tegaderm bandage enhanced wound healing and tissue regeneration in an in vivo wound biopsy model. Increased restoration of normal tissue structure in the wound beds of TGM-treated mice was observed during mid- to late-stage wound healing. Both accelerated re-epithelialization and hair follicle regeneration were observed. Further analysis showed differential expansion of myeloid populations at different wound healing stages, suggesting recruitment and reprogramming of specific macrophage subsets. This study indicates a role for TGM as a potential therapeutic option for enhanced wound healing.
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Affiliation(s)
- Katherine E Lothstein
- Center for Immunity and Inflammation, Department of Medicine, New Jersey Medical School, Rutgers, The State University of New Jersey, Newark, NJ, USA
| | - Fei Chen
- Center for Immunity and Inflammation, Department of Medicine, New Jersey Medical School, Rutgers, The State University of New Jersey, Newark, NJ, USA
| | - Pankaj Mishra
- Center for Immunity and Inflammation, Department of Medicine, New Jersey Medical School, Rutgers, The State University of New Jersey, Newark, NJ, USA
| | - Danielle J Smyth
- Wellcome Centre for Integrative Parasitology, School of Infection and Immunity, University of Glasgow, Glasgow, UK
| | - Wenhui Wu
- Center for Immunity and Inflammation, Department of Medicine, New Jersey Medical School, Rutgers, The State University of New Jersey, Newark, NJ, USA
| | - Alexander Lemenze
- Center for Immunity and Inflammation, Department of Pathology, Immunology, and Laboratory Medicine, New Jersey Medical School, Rutgers, The State University of New Jersey, Newark, NJ, USA
| | - Yosuke Kumamoto
- Center for Immunity and Inflammation, Department of Pathology, Immunology, and Laboratory Medicine, New Jersey Medical School, Rutgers, The State University of New Jersey, Newark, NJ, USA
| | - Rick M Maizels
- Wellcome Centre for Integrative Parasitology, School of Infection and Immunity, University of Glasgow, Glasgow, UK
| | - William C Gause
- Center for Immunity and Inflammation, Department of Medicine, New Jersey Medical School, Rutgers, The State University of New Jersey, Newark, NJ, USA
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2
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Leprovost S, Plasson C, Balieu J, Walet-Balieu ML, Lerouge P, Bardor M, Mathieu-Rivet E. Fine-tuning the N-glycosylation of recombinant human erythropoietin using Chlamydomonas reinhardtii mutants. PLANT BIOTECHNOLOGY JOURNAL 2024. [PMID: 38968612 DOI: 10.1111/pbi.14424] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/06/2024] [Revised: 06/06/2024] [Accepted: 06/18/2024] [Indexed: 07/07/2024]
Abstract
Microalgae are considered as attractive expression systems for the production of biologics. As photosynthetic unicellular organisms, they do not require costly and complex media for growing and are able to secrete proteins and perform protein glycosylation. Some biologics have been successfully produced in the green microalgae Chlamydomonas reinhardtii. However, post-translational modifications like glycosylation of these Chlamydomonas-made biologics have poorly been investigated so far. Therefore, in this study, we report on the first structural investigation of glycans linked to human erythropoietin (hEPO) expressed in a wild-type C. reinhardtii strain and mutants impaired in key Golgi glycosyltransferases. The glycoproteomic analysis of recombinant hEPO (rhEPO) expressed in the wild-type strain demonstrated that the three N-glycosylation sites are 100% glycosylated with mature N-glycans containing four to five mannose residues and carrying core xylose, core fucose and O-methyl groups. Moreover, expression in C. reinhardtii insertional mutants defective in xylosyltransferases A and B and fucosyltransferase resulted in drastic decreases of core xylosylation and core fucosylation of glycans N-linked to the rhEPOs, thus demonstrating that this strategy offers perspectives for humanizing the N-glycosylation of the Chlamydomonas-made biologics.
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Affiliation(s)
- S Leprovost
- Université de Rouen Normandie, Normandie Univ, GlycoMEV UR 4358, SFR Normandie Végétal FED 4277, Innovation Chimie Carnot, IRIB, GDR CNRS Chemobiologie, Rouen, France
- Institute for Plant Biology and Biotechnology (IBBP), University of Münster, Münster, Germany
| | - C Plasson
- Université de Rouen Normandie, Normandie Univ, GlycoMEV UR 4358, SFR Normandie Végétal FED 4277, Innovation Chimie Carnot, IRIB, GDR CNRS Chemobiologie, Rouen, France
| | - J Balieu
- Université de Rouen Normandie, Normandie Univ, GlycoMEV UR 4358, SFR Normandie Végétal FED 4277, Innovation Chimie Carnot, IRIB, GDR CNRS Chemobiologie, Rouen, France
| | - M-L Walet-Balieu
- Infrastructure de Recherche HeRacLeS, Plate-forme protéomique PISSARO, Université de Rouen Normandie, Rouen, France
| | - P Lerouge
- Université de Rouen Normandie, Normandie Univ, GlycoMEV UR 4358, SFR Normandie Végétal FED 4277, Innovation Chimie Carnot, IRIB, GDR CNRS Chemobiologie, Rouen, France
| | - M Bardor
- Université de Rouen Normandie, Normandie Univ, GlycoMEV UR 4358, SFR Normandie Végétal FED 4277, Innovation Chimie Carnot, IRIB, GDR CNRS Chemobiologie, Rouen, France
| | - E Mathieu-Rivet
- Université de Rouen Normandie, Normandie Univ, GlycoMEV UR 4358, SFR Normandie Végétal FED 4277, Innovation Chimie Carnot, IRIB, GDR CNRS Chemobiologie, Rouen, France
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3
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Redgrave RE, Singh E, Tual-Chalot S, Park C, Hall D, Bennaceur K, Smyth DJ, Maizels RM, Spyridopoulos I, Arthur HM. Exogenous Transforming Growth Factor-β1 and Its Helminth-Derived Mimic Attenuate the Heart's Inflammatory Response to Ischemic Injury and Reduce Mature Scar Size. THE AMERICAN JOURNAL OF PATHOLOGY 2024; 194:562-573. [PMID: 37832870 DOI: 10.1016/j.ajpath.2023.09.014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/12/2023] [Revised: 08/29/2023] [Accepted: 09/27/2023] [Indexed: 10/15/2023]
Abstract
Coronary reperfusion after acute ST-elevation myocardial infarction (STEMI) is standard therapy to salvage ischemic heart muscle. However, subsequent inflammatory responses within the infarct lead to further loss of viable myocardium. Transforming growth factor (TGF)-β1 is a potent anti-inflammatory cytokine released in response to tissue injury. The aim of this study was to investigate the protective effects of TGF-β1 after MI. In patients with STEMI, there was a significant correlation (P = 0.003) between higher circulating TGF-β1 levels at 24 hours after MI and a reduction in infarct size after 3 months, suggesting a protective role of early increase in circulating TGF-β1. A mouse model of cardiac ischemia reperfusion was used to demonstrate multiple benefits of exogenous TGF-β1 delivered in the acute phase. It led to a significantly smaller infarct size (30% reduction, P = 0.025), reduced inflammatory infiltrate (28% reduction, P = 0.015), lower intracardiac expression of inflammatory cytokines IL-1β and chemokine (C-C motif) ligand 2 (>50% reduction, P = 0.038 and 0.0004, respectively) at 24 hours, and reduced scar size at 4 weeks (21% reduction, P = 0.015) after reperfusion. Furthermore, a low-fibrogenic mimic of TGF-β1, secreted by the helminth parasite Heligmosomoides polygyrus, had an almost identical protective effect on injured mouse hearts. Finally, genetic studies indicated that this benefit was mediated by TGF-β signaling in the vascular endothelium.
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Affiliation(s)
- Rachael E Redgrave
- Biosciences Institute, Faculty of Medical Sciences, Newcastle University, Newcastle, United Kingdom
| | - Esha Singh
- Biosciences Institute, Faculty of Medical Sciences, Newcastle University, Newcastle, United Kingdom
| | - Simon Tual-Chalot
- Biosciences Institute, Faculty of Medical Sciences, Newcastle University, Newcastle, United Kingdom
| | - Catherine Park
- Biosciences Institute, Faculty of Medical Sciences, Newcastle University, Newcastle, United Kingdom
| | - Darroch Hall
- Biosciences Institute, Faculty of Medical Sciences, Newcastle University, Newcastle, United Kingdom
| | - Karim Bennaceur
- Translational Research Institute, Faculty of Medical Sciences, Newcastle University, Newcastle, United Kingdom
| | - Danielle J Smyth
- Wellcome Centre for Integrative Parasitology, School of Infection and Immunity, University of Glasgow, Glasgow, United Kingdom
| | - Rick M Maizels
- Wellcome Centre for Integrative Parasitology, School of Infection and Immunity, University of Glasgow, Glasgow, United Kingdom
| | - Ioakim Spyridopoulos
- Translational Research Institute, Faculty of Medical Sciences, Newcastle University, Newcastle, United Kingdom
| | - Helen M Arthur
- Biosciences Institute, Faculty of Medical Sciences, Newcastle University, Newcastle, United Kingdom.
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4
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Sardinha-Silva A, Gazzinelli-Guimaraes PH, Ajakaye OG, Ferreira TR, Alves-Ferreira EV, Tjhin ET, Gregg B, Fink MY, Coelho CH, Singer SM, Grigg ME. Giardia intestinalis reshapes mucosal immunity toward a Type 2 response that attenuates inflammatory bowel-like diseases. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.03.02.583119. [PMID: 38903060 PMCID: PMC11188066 DOI: 10.1101/2024.03.02.583119] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/22/2024]
Abstract
Diarrheal diseases are the second leading cause of death in children worldwide. Epidemiological studies show that co-infection with Giardia intestinalis decreases the severity of diarrhea. Here, we show that Giardia is highly prevalent in the stools of asymptomatic school-aged children. It orchestrates a Th2 mucosal immune response, characterized by increased antigen-specific Th2 cells, IL-25, Type 2-associated cytokines, and goblet cell hyperplasia. Giardia infection expanded IL-10-producing Th2 and GATA3+ Treg cells that promoted chronic carriage, parasite transmission, and conferred protection against Toxoplasma gondii-induced lethal ileitis and DSS-driven colitis by downregulating proinflammatory cytokines, decreasing Th1/Th17 cell frequency, and preventing collateral tissue damage. Protection was dependent on STAT6 signaling, as Giardia-infected STAT6-/- mice no longer regulated intestinal bystander inflammation. Our findings demonstrate that Giardia infection reshapes mucosal immunity toward a Type 2 response, which confers a mutualistic protection against inflammatory disease processes and identifies a critical role for protists in regulating mucosal defenses.
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Affiliation(s)
- Aline Sardinha-Silva
- Molecular Parasitology Section, Laboratory of Parasitic Diseases, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD 20892, USA
| | - Pedro H. Gazzinelli-Guimaraes
- Helminth Immunology Section, Laboratory of Parasitic Diseases, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD 20892, USA
| | - Oluwaremilekun G. Ajakaye
- Molecular Parasitology Section, Laboratory of Parasitic Diseases, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD 20892, USA
- Department of Animal and Environmental Biology, Adekunle Ajasin University, Akungba Akoko, Ondo State, Nigeria
| | - Tiago R. Ferreira
- Intracellular Parasite Biology Section, Laboratory of Parasitic Diseases, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD 20892, USA
| | - Eliza V.C. Alves-Ferreira
- Molecular Parasitology Section, Laboratory of Parasitic Diseases, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD 20892, USA
| | - Erick T. Tjhin
- Molecular Parasitology Section, Laboratory of Parasitic Diseases, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD 20892, USA
| | - Beth Gregg
- Molecular Parasitology Section, Laboratory of Parasitic Diseases, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD 20892, USA
| | - Marc Y. Fink
- Department of Biology, Georgetown University, Washington, DC 20057, USA
| | - Camila H. Coelho
- Department of Microbiology, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
| | - Steven M. Singer
- Department of Biology, Georgetown University, Washington, DC 20057, USA
| | - Michael E. Grigg
- Molecular Parasitology Section, Laboratory of Parasitic Diseases, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD 20892, USA
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5
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Cutolo EA, Caferri R, Campitiello R, Cutolo M. The Clinical Promise of Microalgae in Rheumatoid Arthritis: From Natural Compounds to Recombinant Therapeutics. Mar Drugs 2023; 21:630. [PMID: 38132951 PMCID: PMC10745133 DOI: 10.3390/md21120630] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2023] [Revised: 12/04/2023] [Accepted: 12/05/2023] [Indexed: 12/23/2023] Open
Abstract
Rheumatoid arthritis (RA) is an invalidating chronic autoimmune disorder characterized by joint inflammation and progressive bone damage. Dietary intervention is an important component in the treatment of RA to mitigate oxidative stress, a major pathogenic driver of the disease. Alongside traditional sources of antioxidants, microalgae-a diverse group of photosynthetic prokaryotes and eukaryotes-are emerging as anti-inflammatory and immunomodulatory food supplements. Several species accumulate therapeutic metabolites-mainly lipids and pigments-which interfere in the pro-inflammatory pathways involved in RA and other chronic inflammatory conditions. The advancement of the clinical uses of microalgae requires the continuous exploration of phytoplankton biodiversity and chemodiversity, followed by the domestication of wild strains into reliable producers of said metabolites. In addition, the tractability of microalgal genomes offers unprecedented possibilities to establish photosynthetic microbes as light-driven biofactories of heterologous immunotherapeutics. Here, we review the evidence-based anti-inflammatory mechanisms of microalgal metabolites and provide a detailed coverage of the genetic engineering strategies to enhance the yields of endogenous compounds and to develop innovative bioproducts.
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Affiliation(s)
- Edoardo Andrea Cutolo
- Laboratory of Photosynthesis and Bioenergy, Department of Biotechnology, University of Verona, Strada le Grazie 15, 37134 Verona, Italy;
| | - Roberto Caferri
- Laboratory of Photosynthesis and Bioenergy, Department of Biotechnology, University of Verona, Strada le Grazie 15, 37134 Verona, Italy;
| | - Rosanna Campitiello
- Research Laboratory and Academic Division of Clinical Rheumatology, Department of Internal Medicine, IRCCS San Martino Polyclinic Hospital, University of Genoa, Viale Benedetto XV, 6, 16132 Genoa, Italy; (R.C.)
| | - Maurizio Cutolo
- Research Laboratory and Academic Division of Clinical Rheumatology, Department of Internal Medicine, IRCCS San Martino Polyclinic Hospital, University of Genoa, Viale Benedetto XV, 6, 16132 Genoa, Italy; (R.C.)
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6
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Singh SP, Smyth DJ, Cunningham K, Mukundan A, Byeon CH, Hinck CS, White MPJ, Ciancia C, Wosowska N, Sanders A, Jin R, Lilla S, Zanivan S, Schoenherr C, Inman G, van Dinther M, ten Dijke P, Hinck AP, Maizels RM. The helminth TGF-β mimic TGM4 is a modular ligand that binds CD44, CD49d and TGF-β receptors to preferentially target myeloid cells. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.11.13.566701. [PMID: 38014296 PMCID: PMC10680678 DOI: 10.1101/2023.11.13.566701] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/29/2023]
Abstract
The murine helminth parasite Heligmosomoides polygyrus expresses a family of modular proteins which, replicating the functional activity of the immunomodulatory cytokine TGF-β, have been named TGM (TGF-β Μimic). Multiple domains bind to different receptors, including TGF-β receptors TβRI (ALK5) and TβRII through domains 1-3, and prototypic family member TGM1 binds the cell surface co-receptor CD44 through domains 4-5. This allows TGM1 to induce T lymphocyte Foxp3 expression, characteristic of regulatory (Treg) cells, and to activate a range of TGF-β-responsive cell types. In contrast, a related protein, TGM4, targets a much more restricted cell repertoire, primarily acting on myeloid cells, with less potent effects on T cells and lacking activity on other TGF-β-responsive cell types. TGM4 binds avidly to myeloid cells by flow cytometry, and can outcompete TGM1 for cell binding. Analysis of receptor binding in comparison to TGM1 reveals a 10-fold higher affinity than TGM1 for TGFβR-I (TβRI), but a 100-fold lower affinity for TβRII through Domain 3. Consequently, TGM4 is more dependent on co-receptor binding; in addition to CD44, TGM4 also engages CD49d (Itga4) through Domains 1-3, as well as CD206 and Neuropilin-1 through Domains 4 and 5. TGM4 was found to effectively modulate macrophage populations, inhibiting lipopolysaccharide-driven inflammatory cytokine production and boosting interleukin (IL)-4-stimulated responses such as Arginase-1 in vitro and in vivo. These results reveal that the modular nature of TGMs has allowed the fine tuning of the binding affinities of the TβR- and co-receptor binding domains to establish cell specificity for TGF-β signalling in a manner that cannot be attained by the mammalian cytokine.
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Affiliation(s)
- Shashi P. Singh
- Wellcome Centre of Integrative Parasitology, School of Infection and Immunity, University of Glasgow, G12 8TA, UK
| | - Danielle J. Smyth
- Wellcome Centre of Integrative Parasitology, School of Infection and Immunity, University of Glasgow, G12 8TA, UK
| | - Kyle Cunningham
- Wellcome Centre of Integrative Parasitology, School of Infection and Immunity, University of Glasgow, G12 8TA, UK
| | - Ananya Mukundan
- Department of Structural Biology, University of Pittsburgh, USA
| | | | | | - Madeleine P. J. White
- Wellcome Centre of Integrative Parasitology, School of Infection and Immunity, University of Glasgow, G12 8TA, UK
| | - Claire Ciancia
- Wellcome Centre of Integrative Parasitology, School of Infection and Immunity, University of Glasgow, G12 8TA, UK
| | - Nątalia Wosowska
- Wellcome Centre of Integrative Parasitology, School of Infection and Immunity, University of Glasgow, G12 8TA, UK
| | - Anna Sanders
- Wellcome Centre of Integrative Parasitology, School of Infection and Immunity, University of Glasgow, G12 8TA, UK
| | - Regina Jin
- Wellcome Centre of Integrative Parasitology, School of Infection and Immunity, University of Glasgow, G12 8TA, UK
| | - Sergio Lilla
- Cancer Research UK Scotland Institute, Glasgow, G61 1BD, UK
| | - Sara Zanivan
- Cancer Research UK Scotland Institute, Glasgow, G61 1BD, UK
| | | | - Gareth Inman
- Cancer Research UK Scotland Institute, Glasgow, G61 1BD, UK
| | - Maarten van Dinther
- Oncode Institute and Department of Cell and Chemical Biology, University of Leiden, The Netherlands
| | - Peter ten Dijke
- Oncode Institute and Department of Cell and Chemical Biology, University of Leiden, The Netherlands
| | - Andrew P. Hinck
- Department of Structural Biology, University of Pittsburgh, USA
| | - Rick M. Maizels
- Wellcome Centre of Integrative Parasitology, School of Infection and Immunity, University of Glasgow, G12 8TA, UK
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7
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Maizels RM, Newfeld SJ. Convergent Evolution in a Murine Intestinal Parasite Rapidly Created the TGM Family of Molecular Mimics to Suppress the Host Immune Response. Genome Biol Evol 2023; 15:evad158. [PMID: 37625791 PMCID: PMC10516467 DOI: 10.1093/gbe/evad158] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2023] [Revised: 08/17/2023] [Accepted: 08/21/2023] [Indexed: 08/27/2023] Open
Abstract
The Transforming Growth Factor-β mimic (TGM) multigene family was recently discovered in the murine intestinal parasite Heligmosomoides polygyrus. This family was shaped by an atypical set of organismal and molecular evolutionary mechanisms along its path through the adaptive landscape. The relevant mechanisms are mimicry, convergence, exon modularity, new gene origination, and gene family neofunctionalization. We begin this review with a description of the TGM family and then address two evolutionary questions: "Why were TGM proteins needed for parasite survival" and "when did the TGM family originate"? For the former, we provide a likely answer, and for the latter, we identify multiple TGM building blocks in the ruminant intestinal parasite Haemonchus contortus. We close by identifying avenues for future investigation: new biochemical data to assign functions to more family members as well as new sequenced genomes in the Trichostrongyloidea superfamily and the Heligmosomoides genus to clarify TGM origins and expansion. Continued study of TGM proteins will generate increased knowledge of Transforming Growth Factor-β signaling, host-parasite interactions, and metazoan evolutionary mechanisms.
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Affiliation(s)
- Rick M Maizels
- Wellcome Centre for Integrative Parasitology, School of Infection and Immunity, University of Glasgow, Glasgow, United Kingdom
| | - Stuart J Newfeld
- School of Life Sciences, Arizona State University, Tempe, Arizona, USA
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8
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van Dinther M, Cunningham KT, Singh SP, White MPJ, Campion T, Ciancia C, van Veelen PA, de Ru AH, González-Prieto R, Mukundan A, Byeon CH, Staggers SR, Hinck CS, Hinck AP, Dijke PT, Maizels RM. CD44 acts as a coreceptor for cell-specific enhancement of signaling and regulatory T cell induction by TGM1, a parasite TGF-β mimic. Proc Natl Acad Sci U S A 2023; 120:e2302370120. [PMID: 37590410 PMCID: PMC10450677 DOI: 10.1073/pnas.2302370120] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2023] [Accepted: 06/25/2023] [Indexed: 08/19/2023] Open
Abstract
Long-lived parasites evade host immunity through highly evolved molecular strategies. The murine intestinal helminth, Heligmosomoides polygyrus, down-modulates the host immune system through release of an immunosuppressive TGF-β mimic, TGM1, which is a divergent member of the CCP (Sushi) protein family. TGM1 comprises 5 domains, of which domains 1-3 (D1/2/3) bind mammalian TGF-β receptors, acting on T cells to induce Foxp3+ regulatory T cells; however, the roles of domains 4 and 5 (D4/5) remain unknown. We noted that truncated TGM1, lacking D4/5, showed reduced potency. Combination of D1/2/3 and D4/5 as separate proteins did not alter potency, suggesting that a physical linkage is required and that these domains do not deliver an independent signal. Coprecipitation from cells treated with biotinylated D4/5, followed by mass spectrometry, identified the cell surface protein CD44 as a coreceptor for TGM1. Both full-length and D4/5 bound strongly to a range of primary cells and cell lines, to a greater degree than D1/2/3 alone, although some cell lines did not respond to TGM1. Ectopic expression of CD44 in nonresponding cells conferred responsiveness, while genetic depletion of CD44 abolished enhancement by D4/5 and ablated the ability of full-length TGM1 to bind to cell surfaces. Moreover, CD44-deficient T cells showed attenuated induction of Foxp3 by full-length TGM1, to levels similar to those induced by D1/2/3. Hence, a parasite protein known to bind two host cytokine receptor subunits has evolved a third receptor specificity, which serves to raise the avidity and cell type-specific potency of TGF-β signaling in mammalian cells.
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Affiliation(s)
- Maarten van Dinther
- Oncode Institute and Department of Cell and Chemical Biology, Leiden University Medical Center, Leiden2300 RC, The Netherlands
| | - Kyle T. Cunningham
- Wellcome Centre for Integrative Parasitology, School of Infection and Immunity, University of Glasgow, GlasgowG12 8TA, United Kingdom
| | - Shashi Prakash Singh
- Wellcome Centre for Integrative Parasitology, School of Infection and Immunity, University of Glasgow, GlasgowG12 8TA, United Kingdom
| | - Madeleine P. J. White
- Wellcome Centre for Integrative Parasitology, School of Infection and Immunity, University of Glasgow, GlasgowG12 8TA, United Kingdom
| | - Tiffany Campion
- Wellcome Centre for Integrative Parasitology, School of Infection and Immunity, University of Glasgow, GlasgowG12 8TA, United Kingdom
| | - Claire Ciancia
- Wellcome Centre for Integrative Parasitology, School of Infection and Immunity, University of Glasgow, GlasgowG12 8TA, United Kingdom
| | - Peter A. van Veelen
- Center for Proteomics and Metabolomics, Leiden University Medical Center, Leiden2333 ZC, The Netherlands
| | - Arnoud H. de Ru
- Center for Proteomics and Metabolomics, Leiden University Medical Center, Leiden2333 ZC, The Netherlands
| | - Román González-Prieto
- Andalusian Center for Molecular Biology and Regenerative Medicine, Universidad de Sevilla - CSIC - Universidad Pablo de Olavide, 41092Sevilla, Spain
- Department of Cell Biology, Faculty of Biology, University of Sevilla, 41013Sevilla, Spain
| | - Ananya Mukundan
- Department of Structural Biology, University of Pittsburgh School of Medicine, Pittsburgh, PA15260
| | - Chang-Hyeock Byeon
- Department of Structural Biology, University of Pittsburgh School of Medicine, Pittsburgh, PA15260
| | - Sophia R. Staggers
- Department of Structural Biology, University of Pittsburgh School of Medicine, Pittsburgh, PA15260
| | - Cynthia S. Hinck
- Department of Structural Biology, University of Pittsburgh School of Medicine, Pittsburgh, PA15260
| | - Andrew P. Hinck
- Department of Structural Biology, University of Pittsburgh School of Medicine, Pittsburgh, PA15260
| | - Peter ten Dijke
- Oncode Institute and Department of Cell and Chemical Biology, Leiden University Medical Center, Leiden2300 RC, The Netherlands
| | - Rick M. Maizels
- Wellcome Centre for Integrative Parasitology, School of Infection and Immunity, University of Glasgow, GlasgowG12 8TA, United Kingdom
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9
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Smyth DJ, White MPJ, Johnston CJC, Donachie AM, Campillo Poveda M, McSorley HJ, Maizels RM. Protection from T cell-dependent colitis by the helminth-derived immunomodulatory mimic of transforming growth factor-β, Hp-TGM. DISCOVERY IMMUNOLOGY 2023; 2:kyad001. [PMID: 36855464 PMCID: PMC9958376 DOI: 10.1093/discim/kyad001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/04/2022] [Revised: 12/07/2022] [Accepted: 01/17/2023] [Indexed: 01/19/2023]
Abstract
In animal models of inflammatory colitis, pathology can be ameliorated by several intestinal helminth parasites, including the mouse nematode Heligmosomoides polygyrus. To identify parasite products that may exert anti-inflammatory effects in vivo, we tested H. polygyrus excretory-secretory (HES) products, as well as a recombinantly expressed parasite protein, transforming growth factor mimic (TGM), that functionally mimics the mammalian immunomodulatory cytokine TGF-β. HES and TGM showed a degree of protection in dextran sodium sulphate-induced colitis, with a reduction in inflammatory cytokines, but did not fully block the development of pathology. HES also showed little benefit in a similar acute trinitrobenzene sulphonic acid-induced model. However, in a T cell transfer-mediated model with recombination activation gene (RAG)-deficient mice, HES-reduced disease scores if administered throughout the first 2 or 4 weeks following transfer but was less effective if treatment was delayed until 14 days after T cell transfer. Recombinant TGM similarly dampened colitis in RAG-deficient recipients of effector T cells, and was effective even if introduced only once symptoms had begun to be manifest. These results are a promising indication that TGM may replicate, and even surpass, the modulatory properties of native parasite HES.
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Affiliation(s)
- Danielle J Smyth
- Wellcome Centre for Integrative Parasitology, School of Infection and Immunity, University of Glasgow, Glasgow, UK
- Division of Cell Signalling and Immunology, University of Dundee, Dundee, UK
| | - Madeleine P J White
- Wellcome Centre for Integrative Parasitology, School of Infection and Immunity, University of Glasgow, Glasgow, UK
| | | | - Anne-Marie Donachie
- Wellcome Centre for Integrative Parasitology, School of Infection and Immunity, University of Glasgow, Glasgow, UK
| | - Marta Campillo Poveda
- Wellcome Centre for Integrative Parasitology, School of Infection and Immunity, University of Glasgow, Glasgow, UK
| | - Henry J McSorley
- Division of Cell Signalling and Immunology, University of Dundee, Dundee, UK
| | - Rick M Maizels
- Wellcome Centre for Integrative Parasitology, School of Infection and Immunity, University of Glasgow, Glasgow, UK
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10
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Mukundan A, Byeon CH, Hinck CS, Cunningham K, Campion T, Smyth DJ, Maizels RM, Hinck AP. Convergent evolution of a parasite-encoded complement control protein-scaffold to mimic binding of mammalian TGF-β to its receptors, TβRI and TβRII. J Biol Chem 2022; 298:101994. [PMID: 35500648 PMCID: PMC9163516 DOI: 10.1016/j.jbc.2022.101994] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2021] [Revised: 04/22/2022] [Accepted: 04/23/2022] [Indexed: 11/02/2022] Open
Abstract
The mouse intestinal helminth Heligmosomoides polygyrus modulates host immune responses by secreting a transforming growth factor (TGF)-β mimic (TGM), to expand the population of Foxp3+ Tregs. TGM comprises five complement control protein (CCP)-like domains, designated D1-D5. Though lacking homology to TGF-β, TGM binds directly to the TGF-β receptors TβRI and TβRII and stimulates the differentiation of naïve T-cells into Tregs. However, the molecular determinants of binding are unclear. Here, we used surface plasmon resonance, isothermal calorimetry, NMR spectroscopy, and mutagenesis to investigate how TGM binds the TGF-β receptors. We demonstrate that binding is modular, with D1-D2 binding to TβRI and D3 binding to TβRII. D1-D2 and D3 were further shown to compete with TGF-β(TβRII)2 and TGF-β for binding to TβRI and TβRII, respectively. The solution structure of TGM-D3 revealed that TGM adopts a CCP-like fold but is also modified to allow the C-terminal strand to diverge, leading to an expansion of the domain and opening potential interaction surfaces. TGM-D3 also incorporates a long structurally ordered hypervariable loop, adding further potential interaction sites. Through NMR shift perturbations and binding studies of TGM-D3 and TβRII variants, TGM-D3 was shown to occupy the same site of TβRII as bound by TGF-β using both a novel interaction surface and the hypervariable loop. These results, together with the identification of other secreted CCP-like proteins with immunomodulatory activity in H. polygyrus, suggest that TGM is part of a larger family of evolutionarily plastic parasite effector molecules that mediate novel interactions with their host.
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Affiliation(s)
- Ananya Mukundan
- Department of Structural Biology, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania USA
| | - Chang-Hyeock Byeon
- Department of Structural Biology, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania USA
| | - Cynthia S Hinck
- Department of Structural Biology, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania USA
| | - Kyle Cunningham
- Wellcome Centre for Integrative Parasitology, Institute of Infection, Immunity and Inflammation, University of Glasgow, Glasgow, United Kingdom
| | - Tiffany Campion
- Wellcome Centre for Integrative Parasitology, Institute of Infection, Immunity and Inflammation, University of Glasgow, Glasgow, United Kingdom
| | - Danielle J Smyth
- Wellcome Centre for Integrative Parasitology, Institute of Infection, Immunity and Inflammation, University of Glasgow, Glasgow, United Kingdom
| | - Rick M Maizels
- Wellcome Centre for Integrative Parasitology, Institute of Infection, Immunity and Inflammation, University of Glasgow, Glasgow, United Kingdom
| | - Andrew P Hinck
- Department of Structural Biology, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania USA.
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11
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Nagai K, Goto Y. Parasitomimetics: Can We Utilize Parasite-Derived Immunomodulatory Molecules for Interventions to Immunological Disorders? Front Immunol 2022; 13:824695. [PMID: 35386686 PMCID: PMC8977410 DOI: 10.3389/fimmu.2022.824695] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2021] [Accepted: 02/28/2022] [Indexed: 11/17/2022] Open
Abstract
Because our immune system has ability to expel microorganisms invading our body, parasites need evolution to maintain their symbiosis with the hosts. One such strategy of the parasites is to manipulate host immunity by producing immunomodulatory molecules and the ability of parasites to regulate host immunity has long been a target of research. Parasites can not only manipulate host immune response specific to them, but also influence the host's entire immune system. Such ability of the parasites may sometimes bring benefit to the hosts as many studies have indicated the "hygiene hypothesis" that a decreased opportunity of parasitic infections is associated with an increased incidence of allergy and autoimmune diseases. In other words, elucidating the mechanisms of parasites to regulate host immunity could be applied not only to resolution of parasitic infections but also to treatment of non-parasitic immunological disorders. In this review, we show how much progress has been made in the research on immunomodulation of host immunity by parasites. Here, we define the word 'parasitomimetics' as emulation of parasites' immunomodulatory systems to solve immunological problems in humans and discuss potential applications of parasite-derived molecules to other diseases.
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Affiliation(s)
| | - Yasuyuki Goto
- Laboratory of Molecular Immunology, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Tokyo, Japan
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12
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Shi W, Xu N, Wang X, Vallée I, Liu M, Liu X. Helminth Therapy for Immune-Mediated Inflammatory Diseases: Current and Future Perspectives. J Inflamm Res 2022; 15:475-491. [PMID: 35087284 PMCID: PMC8789313 DOI: 10.2147/jir.s348079] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2021] [Accepted: 01/11/2022] [Indexed: 12/17/2022] Open
Affiliation(s)
- Wenjie Shi
- Key Laboratory of Zoonosis Research, Ministry of Education, Institute of Zoonosis, College of Veterinary Medicine, Jilin University, Changchun, 130062, People’s Republic of China
| | - Ning Xu
- Key Laboratory of Zoonosis Research, Ministry of Education, Institute of Zoonosis, College of Veterinary Medicine, Jilin University, Changchun, 130062, People’s Republic of China
| | - Xuelin Wang
- Key Laboratory of Zoonosis Research, Ministry of Education, Institute of Zoonosis, College of Veterinary Medicine, Jilin University, Changchun, 130062, People’s Republic of China
| | - Isabelle Vallée
- UMR BIPAR, Anses, INRAE, Ecole Nationale Vétérinaire d’Alfort, Laboratoire de Santé Animale, Maisons-Alfort, France
| | - Mingyuan Liu
- Key Laboratory of Zoonosis Research, Ministry of Education, Institute of Zoonosis, College of Veterinary Medicine, Jilin University, Changchun, 130062, People’s Republic of China
| | - Xiaolei Liu
- Key Laboratory of Zoonosis Research, Ministry of Education, Institute of Zoonosis, College of Veterinary Medicine, Jilin University, Changchun, 130062, People’s Republic of China
- Correspondence: Xiaolei Liu; Mingyuan Liu, Tel +86-15943092280; +86-13019125996, Email ;
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