1
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Sándor N, Schneider AE, Matola AT, Barbai VH, Bencze D, Hammad HH, Papp A, Kövesdi D, Uzonyi B, Józsi M. The human factor H protein family - an update. Front Immunol 2024; 15:1135490. [PMID: 38410512 PMCID: PMC10894998 DOI: 10.3389/fimmu.2024.1135490] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2022] [Accepted: 01/08/2024] [Indexed: 02/28/2024] Open
Abstract
Complement is an ancient and complex network of the immune system and, as such, it plays vital physiological roles, but it is also involved in numerous pathological processes. The proper regulation of the complement system is important to allow its sufficient and targeted activity without deleterious side-effects. Factor H is a major complement regulator, and together with its splice variant factor H-like protein 1 and the five human factor H-related (FHR) proteins, they have been linked to various diseases. The role of factor H in inhibiting complement activation is well studied, but the function of the FHRs is less characterized. Current evidence supports the main role of the FHRs as enhancers of complement activation and opsonization, i.e., counter-balancing the inhibitory effect of factor H. FHRs emerge as soluble pattern recognition molecules and positive regulators of the complement system. In addition, factor H and some of the FHR proteins were shown to modulate the activity of immune cells, a non-canonical function outside the complement cascade. Recent efforts have intensified to study factor H and the FHRs and develop new tools for the distinction, quantification and functional characterization of members of this protein family. Here, we provide an update and overview on the versatile roles of factor H family proteins, what we know about their biological functions in healthy conditions and in diseases.
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Affiliation(s)
- Noémi Sándor
- Department of Immunology, ELTE Eötvös Loránd University, Budapest, Hungary
- HUN-REN-ELTE Complement Research Group, Hungarian Research Network, Budapest, Hungary
| | | | | | - Veronika H. Barbai
- Department of Immunology, ELTE Eötvös Loránd University, Budapest, Hungary
| | - Dániel Bencze
- Department of Immunology, ELTE Eötvös Loránd University, Budapest, Hungary
| | - Hani Hashim Hammad
- Department of Immunology, ELTE Eötvös Loránd University, Budapest, Hungary
| | - Alexandra Papp
- Department of Immunology, ELTE Eötvös Loránd University, Budapest, Hungary
| | - Dorottya Kövesdi
- Department of Immunology, ELTE Eötvös Loránd University, Budapest, Hungary
- HUN-REN-ELTE Complement Research Group, Hungarian Research Network, Budapest, Hungary
| | - Barbara Uzonyi
- Department of Immunology, ELTE Eötvös Loránd University, Budapest, Hungary
- HUN-REN-ELTE Complement Research Group, Hungarian Research Network, Budapest, Hungary
| | - Mihály Józsi
- Department of Immunology, ELTE Eötvös Loránd University, Budapest, Hungary
- HUN-REN-ELTE Complement Research Group, Hungarian Research Network, Budapest, Hungary
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2
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Saxena R, Gottlin EB, Campa MJ, Bushey RT, Guo J, Patz EF, He YW. Complement factor H: a novel innate immune checkpoint in cancer immunotherapy. Front Cell Dev Biol 2024; 12:1302490. [PMID: 38389705 PMCID: PMC10883309 DOI: 10.3389/fcell.2024.1302490] [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: 09/26/2023] [Accepted: 01/08/2024] [Indexed: 02/24/2024] Open
Abstract
The elimination of cancer cells critically depends on the immune system. However, cancers have evolved a variety of defense mechanisms to evade immune monitoring, leading to tumor progression. Complement factor H (CFH), predominately known for its function in inhibiting the alternative pathway of the complement system, has recently been identified as an important innate immunological checkpoint in cancer. CFH-mediated immunosuppression enhances tumor cells' ability to avoid immune recognition and produce an immunosuppressive tumor microenvironment. This review explores the molecular underpinnings, interactions with immune cells, clinical consequences, and therapeutic possibilities of CFH as an innate immune checkpoint in cancer control. The difficulties and opportunities of using CFH as a target in cancer immunotherapy are also explored.
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Affiliation(s)
- Ruchi Saxena
- Department of Integrative Immunobiology, Duke University School of Medicine, Durham, NC, United States
| | - Elizabeth B Gottlin
- Department of Radiology, Duke University School of Medicine, Durham, NC, United States
| | - Michael J Campa
- Department of Radiology, Duke University School of Medicine, Durham, NC, United States
| | - Ryan T Bushey
- Department of Radiology, Duke University School of Medicine, Durham, NC, United States
| | - Jian Guo
- Department of Integrative Immunobiology, Duke University School of Medicine, Durham, NC, United States
| | - Edward F Patz
- Department of Radiology, Duke University School of Medicine, Durham, NC, United States
- Department of Pharmacology and Cancer Biology, Duke University School of Medicine, Durham, NC, United States
| | - You-Wen He
- Department of Integrative Immunobiology, Duke University School of Medicine, Durham, NC, United States
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3
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Li S, Schmid KT, de Vries DH, Korshevniuk M, Losert C, Oelen R, van Blokland IV, Groot HE, Swertz MA, van der Harst P, Westra HJ, van der Wijst MGP, Heinig M, Franke L. Identification of genetic variants that impact gene co-expression relationships using large-scale single-cell data. Genome Biol 2023; 24:80. [PMID: 37072791 PMCID: PMC10111756 DOI: 10.1186/s13059-023-02897-x] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2022] [Accepted: 03/16/2023] [Indexed: 04/20/2023] Open
Abstract
BACKGROUND Expression quantitative trait loci (eQTL) studies show how genetic variants affect downstream gene expression. Single-cell data allows reconstruction of personalized co-expression networks and therefore the identification of SNPs altering co-expression patterns (co-expression QTLs, co-eQTLs) and the affected upstream regulatory processes using a limited number of individuals. RESULTS We conduct a co-eQTL meta-analysis across four scRNA-seq peripheral blood mononuclear cell datasets using a novel filtering strategy followed by a permutation-based multiple testing approach. Before the analysis, we evaluate the co-expression patterns required for co-eQTL identification using different external resources. We identify a robust set of cell-type-specific co-eQTLs for 72 independent SNPs affecting 946 gene pairs. These co-eQTLs are replicated in a large bulk cohort and provide novel insights into how disease-associated variants alter regulatory networks. One co-eQTL SNP, rs1131017, that is associated with several autoimmune diseases, affects the co-expression of RPS26 with other ribosomal genes. Interestingly, specifically in T cells, the SNP additionally affects co-expression of RPS26 and a group of genes associated with T cell activation and autoimmune disease. Among these genes, we identify enrichment for targets of five T-cell-activation-related transcription factors whose binding sites harbor rs1131017. This reveals a previously overlooked process and pinpoints potential regulators that could explain the association of rs1131017 with autoimmune diseases. CONCLUSION Our co-eQTL results highlight the importance of studying context-specific gene regulation to understand the biological implications of genetic variation. With the expected growth of sc-eQTL datasets, our strategy and technical guidelines will facilitate future co-eQTL identification, further elucidating unknown disease mechanisms.
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Affiliation(s)
- Shuang Li
- Genetics Department, University Medical Center Groningen, Groningen, the Netherlands
- Genomics Coordination Center, University of Groningen, University Medical Center Groningen, Groningen, the Netherlands
- Wellcome Sanger Institute, Wellcome Genome Campus, Hinxton, UK
| | - Katharina T Schmid
- Institute of Computational Biology, Helmholtz Center Munich, Munich, Germany
- Department of Computer Science, School of Computation, Information and Technology, Technical University Munich, Munich, Germany
| | - Dylan H de Vries
- Genetics Department, University Medical Center Groningen, Groningen, the Netherlands
| | - Maryna Korshevniuk
- Genetics Department, University Medical Center Groningen, Groningen, the Netherlands
| | - Corinna Losert
- Institute of Computational Biology, Helmholtz Center Munich, Munich, Germany
- Department of Computer Science, School of Computation, Information and Technology, Technical University Munich, Munich, Germany
| | - Roy Oelen
- Genetics Department, University Medical Center Groningen, Groningen, the Netherlands
| | - Irene V van Blokland
- Genetics Department, University Medical Center Groningen, Groningen, the Netherlands
- Department of Cardiology, University of Groningen, University Medical Center Groningen, Groningen, the Netherlands
| | - Hilde E Groot
- Department of Cardiology, University of Groningen, University Medical Center Groningen, Groningen, the Netherlands
| | - Morris A Swertz
- Genetics Department, University Medical Center Groningen, Groningen, the Netherlands
- Genomics Coordination Center, University of Groningen, University Medical Center Groningen, Groningen, the Netherlands
| | - Pim van der Harst
- Department of Cardiology, University Medical Center Utrecht, Utrecht, the Netherlands
| | - Harm-Jan Westra
- Genetics Department, University Medical Center Groningen, Groningen, the Netherlands
| | | | - Matthias Heinig
- Institute of Computational Biology, Helmholtz Center Munich, Munich, Germany.
- Department of Computer Science, School of Computation, Information and Technology, Technical University Munich, Munich, Germany.
- Munich Heart Alliance, DZHK (German Center for Cardiovascular Research), Munich, Germany.
| | - Lude Franke
- Genetics Department, University Medical Center Groningen, Groningen, the Netherlands.
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4
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van Essen MF, Peereboom ETM, Schlagwein N, van Gijlswijk-Janssen DJ, Nelemans T, Joeloemsingh JV, van den Berg CW, Prins J, Clark SJ, Schmidt CQ, Trouw LA, van Kooten C. Preferential production and secretion of the complement regulator factor H-like protein 1 (FHL-1) by human myeloid cells. Immunobiology 2023; 228:152364. [PMID: 36881973 DOI: 10.1016/j.imbio.2023.152364] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2022] [Revised: 02/23/2023] [Accepted: 02/24/2023] [Indexed: 03/02/2023]
Abstract
Factor H is a pivotal complement regulatory protein that is preferentially produced by the liver and circulates in high concentrations in serum. There has been an increasing interest in the extrahepatic production of complement factors, including by cells of the immune system, since this contributes to non-canonical functions of local complement activation and regulation. Here we investigated the production and regulation of factor H and its splice variant factor H-like protein 1 (FHL-1) by human myeloid cells. As validation, we confirmed the predominant presence of intact factor H in serum, despite a strong but comparable mRNA expression of CFH and FHL1 in liver. Comparable levels of CFH and FHL1 were also observed in renal tissue, although a dominant staining for FHL-1 was shown within the proximal tubules. Human in vitro generated pro- and anti-inflammatory macrophages both expressed and produced factor H/FHL-1, but this was strongest in pro-inflammatory macrophages. Production was not affected by LPS activation, but was increased upon stimulation with IFN-γ or CD40L. Importantly, in both macrophage subsets mRNA expression of FHL1 was significantly higher than CFH. Moreover, production of FHL-1 protein could be confirmed using precipitation and immunoblotting of culture supernatants. These data identify macrophages as producers of factor H and FHL-1, thereby potentially contributing to local complement regulation at sites of inflammation.
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Affiliation(s)
- Mieke F van Essen
- Division of Nephrology and Transplant Medicine, Department of Medicine, Leiden University Medical Center, Leiden, the Netherlands.
| | - Emma T M Peereboom
- Division of Nephrology and Transplant Medicine, Department of Medicine, Leiden University Medical Center, Leiden, the Netherlands
| | - Nicole Schlagwein
- Division of Nephrology and Transplant Medicine, Department of Medicine, Leiden University Medical Center, Leiden, the Netherlands
| | - Daniëlle J van Gijlswijk-Janssen
- Division of Nephrology and Transplant Medicine, Department of Medicine, Leiden University Medical Center, Leiden, the Netherlands
| | - Tessa Nelemans
- Division of Nephrology and Transplant Medicine, Department of Medicine, Leiden University Medical Center, Leiden, the Netherlands
| | - Jivan V Joeloemsingh
- Division of Nephrology and Transplant Medicine, Department of Medicine, Leiden University Medical Center, Leiden, the Netherlands
| | - Cathelijne W van den Berg
- Division of Nephrology and Transplant Medicine, Department of Medicine, Leiden University Medical Center, Leiden, the Netherlands
| | - Jurriën Prins
- Division of Nephrology and Transplant Medicine, Department of Medicine, Leiden University Medical Center, Leiden, the Netherlands
| | - Simon J Clark
- Institute for Ophthalmic Research, Eberhard Karls University of Tübingen, Tübingen, Baden-Württemberg 72076, Germany; Lydia Becker Institute of Immunology and Inflammation, Faculty of Biology, Medicine & Health, University of Manchester, Manchester M13 9PL, United Kingdom
| | - Christoph Q Schmidt
- Institute of Pharmacology of Natural Products and Clinical Pharmacology, Ulm University, Ulm, Germany
| | - Leendert A Trouw
- Department of Immunology, Leiden University Medical Center, Leiden, the Netherlands
| | - Cees van Kooten
- Division of Nephrology and Transplant Medicine, Department of Medicine, Leiden University Medical Center, Leiden, the Netherlands.
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5
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van Essen MF, Schlagwein N, van Gijlswijk-Janssen DJ, Ruben JM, van Kooten C. Properdin produced by dendritic cells contributes to the activation of T cells. Immunobiology 2022; 227:152246. [PMID: 35843030 DOI: 10.1016/j.imbio.2022.152246] [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: 12/21/2021] [Revised: 06/01/2022] [Accepted: 07/06/2022] [Indexed: 11/05/2022]
Abstract
The complement system does not only play an important role in the defence against microorganism and pathogens, but also contributes to the regulation of innate and adaptive immunity. Especially activation fragments C3a and C5a and complement activation at the interface of antigen presenting cell (APC) and T cell, were shown to have a role in T cell activation and proliferation. Whereas most complement factors are produced by the liver, properdin, a positive regulator of the C3 convertase, is mainly produced by myeloid cells. Here we show that properdin can be detected in myeloid cell infiltrate during human renal allograft rejection. In vitro, properdin is produced and secreted by human immature dendritic cells (iDCs), which is further increased by CD40-L-matured DCs (mDCs). Transfection with a specific properdin siRNA reduced properdin secretion by iDCs and mDCs, without affecting the expression of co-stimulatory markers CD80 and CD86. Co-culture of properdin siRNA-transfected iDCs and mDCs with human allogeneic T cells resulted in reduced T cell proliferation, especially under lower DC-T cell ratio's (1:30 and 1:90 ratio). In addition, T cell cytokines were altered, including a reduced TNF-α and IL-17 secretion by T cells co-cultured with properdin siRNA-transfected iDCs. Taken together, these results indicate a local role for properdin during the interaction of DCs and allogeneic T cells, contributing to the shaping of T cell proliferation and activation.
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Affiliation(s)
- Mieke F van Essen
- Div of Nephrology and Transplant Medicine, Dept. of Medicine, Leiden University Medical Center, Leiden, The Netherlands
| | - Nicole Schlagwein
- Div of Nephrology and Transplant Medicine, Dept. of Medicine, Leiden University Medical Center, Leiden, The Netherlands
| | | | - Jurjen M Ruben
- Div of Nephrology and Transplant Medicine, Dept. of Medicine, Leiden University Medical Center, Leiden, The Netherlands
| | - Cees van Kooten
- Div of Nephrology and Transplant Medicine, Dept. of Medicine, Leiden University Medical Center, Leiden, The Netherlands.
| | -
- Div of Nephrology and Transplant Medicine, Dept. of Medicine, Leiden University Medical Center, Leiden, The Netherlands
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6
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Essen MF, Schlagwein N, den Hoven EM, Gijlswijk‐Janssen DJ, Lubbers R, den Bos RM, den Born J, Ruben JM, Trouw LA, Kooten C. Initial properdin binding contributes to alternative pathway activation at the surface of viable and necrotic cells. Eur J Immunol 2022; 52:597-608. [PMID: 35092629 PMCID: PMC9303752 DOI: 10.1002/eji.202149259] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2021] [Revised: 12/01/2021] [Accepted: 01/10/2022] [Indexed: 11/16/2022]
Abstract
Properdin, the only known positive regulator of the complement system, stabilizes the C3 convertase, thereby increasing its half‐life. In contrast to most other complement factors, properdin is mainly produced extrahepatically by myeloid cells. Recent data suggest a role for properdin as a pattern recognition molecule. Here, we confirmed previous findings of properdin binding to different necrotic cells including Jurkat T cells. Binding can occur independent of C3, as demonstrated by HAP‐1 C3 KO cells, excluding a role for endogenous C3. In view of the cellular source of properdin, interaction with myeloid cells was examined. Properdin bound to the surface of viable monocyte‐derived pro‐ and anti‐inflammatory macrophages, but not to DCs. Binding was demonstrated for purified properdin as well as fractionated P2, P3, and P4 properdin oligomers. Binding contributed to local complement activation as determined by C3 and C5b‐9 deposition on the cell surfaces and seems a prerequisite for alternative pathway activation. Interaction of properdin with cell surfaces could be inhibited with the tick protein Salp20 and by different polysaccharides, depending on sulfation and chain length. These data identify properdin as a factor interacting with different cell surfaces, being either dead or alive, contributing to the local stimulation of complement activation.
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Affiliation(s)
- Mieke F. Essen
- Div. of Nephrology and Transplant Medicine Dept. of Medicine Leiden University Medical Center Leiden The Netherlands
| | - Nicole Schlagwein
- Div. of Nephrology and Transplant Medicine Dept. of Medicine Leiden University Medical Center Leiden The Netherlands
| | - Elisa M.P. den Hoven
- Div. of Nephrology and Transplant Medicine Dept. of Medicine Leiden University Medical Center Leiden The Netherlands
| | - Daniëlle J. Gijlswijk‐Janssen
- Div. of Nephrology and Transplant Medicine Dept. of Medicine Leiden University Medical Center Leiden The Netherlands
| | - Rosalie Lubbers
- Department of Rheumatology Leiden University Medical Center Leiden The Netherlands
| | - Ramon M. den Bos
- Crystal and Structural Chemistry Bijvoet Center for Biomolecular Research Department of Chemistry Faculty of Science Utrecht University Utrecht The Netherlands
| | - Jacob den Born
- Department of Nephrology University Medical Center Groningen Groningen The Netherlands
| | - Jurjen M. Ruben
- Div. of Nephrology and Transplant Medicine Dept. of Medicine Leiden University Medical Center Leiden The Netherlands
| | - Leendert A. Trouw
- Department of Rheumatology Leiden University Medical Center Leiden The Netherlands
- Department of Immunology Leiden University Medical Center Leiden The Netherlands
| | - Cees Kooten
- Div. of Nephrology and Transplant Medicine Dept. of Medicine Leiden University Medical Center Leiden The Netherlands
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7
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Daugan MV, Revel M, Thouenon R, Dragon-Durey MA, Robe-Rybkine T, Torset C, Merle NS, Noé R, Verkarre V, Oudard SM, Mejean A, Validire P, Cathelineau X, Sanchez-Salas R, Pickering MC, Cremer I, Mansuet-Lupo A, Alifano M, Sautès-Fridman C, Damotte D, Fridman WH, Roumenina LT. Intracellular Factor H Drives Tumor Progression Independently of the Complement Cascade. Cancer Immunol Res 2021; 9:909-925. [PMID: 34039652 DOI: 10.1158/2326-6066.cir-20-0787] [Citation(s) in RCA: 38] [Impact Index Per Article: 12.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2020] [Revised: 03/03/2021] [Accepted: 05/18/2021] [Indexed: 11/16/2022]
Abstract
The complement system is a powerful and druggable innate immune component of the tumor microenvironment. Nevertheless, it is challenging to elucidate the exact mechanisms by which complement affects tumor growth. In this study, we examined the processes by which the master complement regulator factor H (FH) affects clear cell renal cell carcinoma (ccRCC) and lung cancer, two cancers in which complement overactivation predicts poor prognosis. FH was present in two distinct cellular compartments: the membranous (mb-FH) and intracellular (int-FH) compartments. Int-FH resided in lysosomes and colocalized with C3. In ccRCC and lung adenocarcinoma, FH exerted protumoral action through an intracellular, noncanonical mechanism. FH silencing in ccRCC cell lines resulted in decreased proliferation, due to cell-cycle arrest and increased mortality, and this was associated with increased p53 phosphorylation and NFκB translocation to the nucleus. Moreover, the migration of the FH-silenced cells was reduced, likely due to altered morphology. These effects were cell type-specific because no modifications occurred upon CFH silencing in other FH-expressing cells tested: tubular cells (from which ccRCC originates), endothelial cells (human umbilical vein endothelial cells), and squamous cell lung cancer cells. Consistent with this, in ccRCC and lung adenocarcinoma, but not in lung squamous cell carcinoma, int-FH conferred poor prognosis in patient cohorts. Mb-FH performed its canonical function of complement regulation but had no impact on tumor cell phenotype or patient survival. The discovery of intracellular functions for FH redefines the role of the protein in tumor progression and its use as a prognostic biomarker or potential therapeutic target.See article by Daugan et al., p. 891 (36).
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Affiliation(s)
- Marie V Daugan
- Team Inflammation, Complement and Cancer, Centre de Recherche des Cordeliers, INSERM, Sorbonne Université, Université de Paris, Paris, France
| | - Margot Revel
- Team Inflammation, Complement and Cancer, Centre de Recherche des Cordeliers, INSERM, Sorbonne Université, Université de Paris, Paris, France
| | - Romane Thouenon
- Team Inflammation, Complement and Cancer, Centre de Recherche des Cordeliers, INSERM, Sorbonne Université, Université de Paris, Paris, France
| | - Marie-Agnès Dragon-Durey
- Team Inflammation, Complement and Cancer, Centre de Recherche des Cordeliers, INSERM, Sorbonne Université, Université de Paris, Paris, France.,Department of Biologic Immunology, Hôpital Européen Georges-Pompidou, Assistance Publique Hopitaux de Paris, Paris, France
| | - Tania Robe-Rybkine
- Team Inflammation, Complement and Cancer, Centre de Recherche des Cordeliers, INSERM, Sorbonne Université, Université de Paris, Paris, France
| | - Carine Torset
- Team Inflammation, Complement and Cancer, Centre de Recherche des Cordeliers, INSERM, Sorbonne Université, Université de Paris, Paris, France
| | - Nicolas S Merle
- Team Inflammation, Complement and Cancer, Centre de Recherche des Cordeliers, INSERM, Sorbonne Université, Université de Paris, Paris, France
| | - Rémi Noé
- Team Inflammation, Complement and Cancer, Centre de Recherche des Cordeliers, INSERM, Sorbonne Université, Université de Paris, Paris, France
| | - Virginie Verkarre
- Université de Paris, Paris, France.,Department of Pathology, Hôpital Européen Georges-Pompidou, Assistance Publique Hopitaux de Paris, Paris, France
| | - Stephane Marie Oudard
- Université de Paris, Paris, France.,Department of Oncology, Hôpital Européen Georges-Pompidou, Assistance Publique Hopitaux de Paris, Paris, France
| | - Arnaud Mejean
- Université de Paris, Paris, France.,Department of Urology, Hôpital Européen Georges-Pompidou, Assistance Publique Hopitaux de Paris, Paris, France
| | - Pierre Validire
- Department of Pathology, Institut Mutualiste Montsouris, Paris, France
| | - Xavier Cathelineau
- Université de Paris, Paris, France.,Department of Urology, Institut Mutualiste Montsouris, Paris, France
| | | | - Mathew C Pickering
- Centre for Complement and Inflammation Research, Imperial College, London, United Kingdom
| | - Isabelle Cremer
- Team Inflammation, Complement and Cancer, Centre de Recherche des Cordeliers, INSERM, Sorbonne Université, Université de Paris, Paris, France
| | - Audrey Mansuet-Lupo
- Team Inflammation, Complement and Cancer, Centre de Recherche des Cordeliers, INSERM, Sorbonne Université, Université de Paris, Paris, France.,Departments of Pathology and Thoracic Surgery, Hôpital Cochin, Assistance Publique Hopitaux de Paris, Paris, France
| | - Marco Alifano
- Team Inflammation, Complement and Cancer, Centre de Recherche des Cordeliers, INSERM, Sorbonne Université, Université de Paris, Paris, France.,Departments of Pathology and Thoracic Surgery, Hôpital Cochin, Assistance Publique Hopitaux de Paris, Paris, France
| | - Catherine Sautès-Fridman
- Team Inflammation, Complement and Cancer, Centre de Recherche des Cordeliers, INSERM, Sorbonne Université, Université de Paris, Paris, France
| | - Diane Damotte
- Team Inflammation, Complement and Cancer, Centre de Recherche des Cordeliers, INSERM, Sorbonne Université, Université de Paris, Paris, France.,Departments of Pathology and Thoracic Surgery, Hôpital Cochin, Assistance Publique Hopitaux de Paris, Paris, France
| | - Wolf H Fridman
- Team Inflammation, Complement and Cancer, Centre de Recherche des Cordeliers, INSERM, Sorbonne Université, Université de Paris, Paris, France
| | - Lubka T Roumenina
- Team Inflammation, Complement and Cancer, Centre de Recherche des Cordeliers, INSERM, Sorbonne Université, Université de Paris, Paris, France.
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8
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Kielar M, Gala-Błądzińska A, Dumnicka P, Ceranowicz P, Kapusta M, Naumnik B, Kubiak G, Kuźniewski M, Kuśnierz-Cabala B. Complement Components in the Diagnosis and Treatment after Kidney Transplantation-Is There a Missing Link? Biomolecules 2021; 11:biom11060773. [PMID: 34064132 PMCID: PMC8224281 DOI: 10.3390/biom11060773] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2021] [Revised: 05/14/2021] [Accepted: 05/18/2021] [Indexed: 12/25/2022] Open
Abstract
Currently, kidney transplantation is widely accepted as the renal replacement therapy allowing for the best quality of life and longest survival of patients developing end-stage renal disease. However, chronic transplant rejection, recurrence of previous kidney disease or newly acquired conditions, or immunosuppressive drug toxicity often lead to a deterioration of kidney allograft function over time. Complement components play an important role in the pathogenesis of kidney allograft impairment. Most studies on the role of complement in kidney graft function focus on humoral rejection; however, complement has also been associated with cell mediated rejection, post-transplant thrombotic microangiopathy, the recurrence of several glomerulopathies in the transplanted kidney, and transplant tolerance. Better understanding of the complement involvement in the transplanted kidney damage has led to the development of novel therapies that inhibit complement components and improve graft survival. The analysis of functional complotypes, based on the genotype of both graft recipient and donor, may become a valuable tool for assessing the risk of acute transplant rejection. The review summarizes current knowledge on the pathomechanisms of complement activation following kidney transplantation and the resulting diagnostic and therapeutic possibilities.
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Affiliation(s)
- Małgorzata Kielar
- St. Louis Regional Children’s Hospital, Medical Diagnostic Laboratory with a Bacteriology Laboratory, Strzelecka 2 St., 31-503 Kraków, Poland;
| | - Agnieszka Gala-Błądzińska
- Medical College of Rzeszów University, Institute of Medical Sciences, Kopisto 2A Avn., 35-310 Rzeszów, Poland;
| | - Paulina Dumnicka
- Jagiellonian University Medical College, Faculty of Pharmacy, Department of Medical Diagnostics, Medyczna 9 St., 30-688 Kraków, Poland;
| | - Piotr Ceranowicz
- Jagiellonian University Medical College, Faculty of Medicine, Department of Physiology, Grzegórzecka 16 St., 31-531 Kraków, Poland;
| | - Maria Kapusta
- Jagiellonian University Medical College, Faculty of Medicine, Chair of Clinical Biochemistry, Department of Diagnostics, Kopernika 15A St., 31-501 Kraków, Poland;
| | - Beata Naumnik
- Medical University of Białystok, Faculty of Medicine, 1st Department of Nephrology and Transplantation with Dialysis Unit, Żurawia 14 St., 15-540 Białystok, Poland;
| | - Grzegorz Kubiak
- Catholic University of Leuven, Department of Cardiovascular Diseases, 3000 Leuven, Belgium;
| | - Marek Kuźniewski
- Jagiellonian University Medical College, Faculty of Medicine, Chair and Department of Nephrology, Jakubowskiego 2 St., 30-688 Kraków, Poland;
| | - Beata Kuśnierz-Cabala
- Jagiellonian University Medical College, Faculty of Medicine, Chair of Clinical Biochemistry, Department of Diagnostics, Kopernika 15A St., 31-501 Kraków, Poland;
- Correspondence: ; Tel.: +48-12-424-83-65
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9
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Bao D, Zhang C, Li L, Wang H, Li Q, Ni L, Lin Y, Huang R, Yang Z, Zhang Y, Hu Y. Integrative Analysis of Complement System to Prognosis and Immune Infiltrating in Colon Cancer and Gastric Cancer. Front Oncol 2021; 10:553297. [PMID: 33614473 PMCID: PMC7886994 DOI: 10.3389/fonc.2020.553297] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2020] [Accepted: 12/14/2020] [Indexed: 12/14/2022] Open
Abstract
Background The complement system acts as an integral part of the innate immune response, which acts primarily to remove pathogens and injured cells. Emerging evidence has shown the activation of the immune regulatory function of complements in the tumor microenvironment (TME). We revealed the expression levels of various complements in human cancers and their role in tumor prognosis and immune infiltration. Methods The differential expression of complements was explored via the Tumor Immune Estimation Resource (TIMER) site and the Oncomine database. To investigate whether these differentially expressed complements have correlation with the prognosis of gastric cancer (GC) and colon cancer, their impact on survival was assessed using the PrognoScan database and Kaplan-Meier plotter. The correlations between complements and tumor immune-infiltrating levels and immune gene markers were statistically explored in TIMER based on Spearman's correlation coefficients and p-values. Results In two colon cancer cohorts, an increased expression level of DAF (CD55) has statistically significant correlation with poor disease-free survival (DFS). High C3, CR4, and C5aR1 expression levels were significantly related with poor prognosis in GC patients. In addition, C3, CR4, and C5aR1 expression was positively related to the tumor purity and infiltration levels of multiple immune cells in stomach adenocarcinoma (STAD). Moreover, the expression levels of C3, CR4, and C5aR1 were also strongly correlated with various immune marker sets, such as those of tumor-associated macrophages (TAMs), M1 and M2 macrophages, T cell exhaustion, Tregs, and DCs, in STAD. Additionally, CD55 has positive correlation with few immune cell infiltration levels in colon adenocarcinoma (COAD), but its correlation with immune marker sets was not statistically significant. Conclusion These findings confirm the relationship between various complements and tumor prognosis and immune infiltration in colon cancer and GC. CD55 may serve as an indicator on the survival prognosis of patients with colon cancer. Furthermore, as biomarkers for poor prognosis in GC, complements C3, CR4, and C5aR1 may provide potential biological targets for GC immunotherapy.
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Affiliation(s)
- Dandan Bao
- Department of General Surgery, The Third Clinical Institute Affiliated to Wenzhou Medical University, Wenzhou People's Hospital, Wenzhou, China
| | - Chenghao Zhang
- Emergency department, Wenzhou People's Hospital, The Third Clinical Institute Affiliated to Wenzhou Medical University, Wenzhou, China
| | - Longlong Li
- Department of Gastrointestinal Surgery, People's Hospital of Deyang City, Sichuan, China
| | - Haihong Wang
- Department of General Surgery, The Third Clinical Institute Affiliated to Wenzhou Medical University, Wenzhou People's Hospital, Wenzhou, China
| | - Qiuyan Li
- Department of Oncology, Wenzhou Medical University, Wenzhou, China
| | - Leilei Ni
- Department of General Surgery, The Third Clinical Institute Affiliated to Wenzhou Medical University, Wenzhou People's Hospital, Wenzhou, China
| | - Yinfeng Lin
- Department of Oncology, The Third Clinical Institute Affiliated to Wenzhou Medical University, Wenzhou People's Hospital, Wenzhou, China
| | - Rong Huang
- Shanghai Institute for Food and Drug Control, Shanghai, China
| | - Zhangwei Yang
- Department of General Surgery, The Third Clinical Institute Affiliated to Wenzhou Medical University, Wenzhou People's Hospital, Wenzhou, China
| | - Yan Zhang
- Department of Gastroenterology, Yijishan Hospital, the First Affiliated Hospital of Wannan Medical College, Wuhu, China
| | - Yiren Hu
- Department of General Surgery, Medical College of Soochow University, The Third Clinical Institute Affiliated to Wenzhou Medical University, Wenzhou People's Hospital, Wenzhou, China
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10
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van Essen MF, Schlagwein N, van Gijlswijk-Janssen DJ, Anholts JDH, Eikmans M, Ruben JM, van Kooten C. Culture medium used during small interfering RNA (siRNA) transfection determines the maturation status of dendritic cells. J Immunol Methods 2020; 479:112748. [PMID: 31958452 DOI: 10.1016/j.jim.2020.112748] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2019] [Revised: 11/14/2019] [Accepted: 01/14/2020] [Indexed: 12/20/2022]
Abstract
Gene silencing using small interfering ribonucleic acids (siRNA) is a powerful method to interfere with gene expression, allowing for the functional exploration of specific genes. siRNA interference can be applied in both cell lines, as well as in primary, non-dividing cell types like dendritic cells. However, the efficacy in different cell types is variable and requires optimization. Here, we showed that the type of culture medium used during lipid-based siRNA-mediated transfection acts as a critical factor, affecting dendritic cell activation. Transfection of immature monocyte-derived dendritic cells in RPMI medium, but not in IMDM, showed increased transcript levels of pro-inflammatory cytokines. Moreover, the expression of co-stimulatory molecules was enhanced, thereby increasing the T cell stimulatory capacity. Our data demonstrates that the choice of medium should be critically examined as one of the variables while optimizing cell transfection.
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Affiliation(s)
- Mieke F van Essen
- Div. of Nephrology and Transplant Medicine, Dept. of Medicine, Leiden University Medical Center, Albinusdreef 2, 2333 ZA Leiden, the Netherlands.
| | - Nicole Schlagwein
- Div. of Nephrology and Transplant Medicine, Dept. of Medicine, Leiden University Medical Center, Albinusdreef 2, 2333 ZA Leiden, the Netherlands
| | - Daniëlle J van Gijlswijk-Janssen
- Div. of Nephrology and Transplant Medicine, Dept. of Medicine, Leiden University Medical Center, Albinusdreef 2, 2333 ZA Leiden, the Netherlands
| | - Jacqueline D H Anholts
- Department of Immunohematology and Blood Transfusion, Leiden University Medical Center, Albinusdreef 2, 2333 ZA Leiden, the Netherlands
| | - Michael Eikmans
- Department of Immunohematology and Blood Transfusion, Leiden University Medical Center, Albinusdreef 2, 2333 ZA Leiden, the Netherlands
| | - Jurjen M Ruben
- Div. of Nephrology and Transplant Medicine, Dept. of Medicine, Leiden University Medical Center, Albinusdreef 2, 2333 ZA Leiden, the Netherlands
| | - Cees van Kooten
- Div. of Nephrology and Transplant Medicine, Dept. of Medicine, Leiden University Medical Center, Albinusdreef 2, 2333 ZA Leiden, the Netherlands.
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11
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van Essen MF, Ruben JM, de Vries APJ, van Kooten C. Role of properdin in complement-mediated kidney diseases. Nephrol Dial Transplant 2020; 34:742-750. [PMID: 30053164 DOI: 10.1093/ndt/gfy233] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2018] [Indexed: 12/15/2022] Open
Abstract
As part of the innate immune system, the complement system is an important mechanism in our first line of defence, but it can also contribute to the onset of various diseases. In renal diseases, the dysregulation of the complement system is often caused by mutations in-and autoantibodies directed against-members of the complement system, and contributes to disease onset and severity. As the only known positive regulator of the complement system, the role of properdin in complement-mediated diseases is largely unknown. In this review, we provide an overview of the detection of properdin in kidney biopsies and urine, serum or plasma samples from patients with complement-mediated renal diseases, such as immune complex-mediated glomerulonephritis and C3 glomerulopathy. Advances towards a better understanding of the role of properdin in (local) complement activation will provide insight into its potential role and offer opportunities to improve diagnosis and therapeutic interventions.
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Affiliation(s)
- Mieke F van Essen
- Division of Nephrology and Transplant Medicine, Department Of Medicine, Leiden University Medical Center, Leiden, The Netherlands
| | - Jurjen M Ruben
- Division of Nephrology and Transplant Medicine, Department Of Medicine, Leiden University Medical Center, Leiden, The Netherlands
| | - Aiko P J de Vries
- Division of Nephrology and Transplant Medicine, Department Of Medicine, Leiden University Medical Center, Leiden, The Netherlands
| | - Cees van Kooten
- Division of Nephrology and Transplant Medicine, Department Of Medicine, Leiden University Medical Center, Leiden, The Netherlands
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12
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Abstract
The recognition of microbial or danger-associated molecular patterns by complement proteins initiates a cascade of events that culminates in the activation of surface complement receptors on immune cells. Such signalling pathways converge with those activated downstream of pattern recognition receptors to determine the type and magnitude of the immune response. Intensive investigation in the field has uncovered novel pathways that link complement-mediated signalling with homeostatic and pathological T cell responses. More recently, the observation that complement proteins also act in the intracellular space to shape T cell fates has added a new layer of complexity. Here, we consider fundamental mechanisms and novel concepts at the interface of complement biology and immunity and discuss how these affect the maintenance of homeostasis and the development of human pathology.
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13
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Mangogna A, Varghese PM, Agostinis C, Alrokayan SH, Khan HA, Stover CM, Belmonte B, Martorana A, Ricci G, Bulla R, Kishore U. Prognostic Value of Complement Properdin in Cancer. Front Immunol 2020; 11:614980. [PMID: 33542722 PMCID: PMC7851055 DOI: 10.3389/fimmu.2020.614980] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2020] [Accepted: 12/08/2020] [Indexed: 02/05/2023] Open
Abstract
The complement system is readily triggered by the presence of damage-associated molecular patterns on the surface of tumor cells. The complement alternative pathway provides rapid amplification of the molecular stress signal, leading to complement cascade activation to deal with pathogens or malignant cells. Properdin is the only known positive regulator of the alternative pathway. In addition, properdin promotes the phagocytic uptake of apoptotic T cells by macrophages and dendritic cells without activating the complement system, thus, establishing its ability to recognize "altered-self". Dysregulation of properdin has been implicated in substantial tissue damage in the host, and in some cases, chronic unresolved inflammation. A corollary of this may be the development of cancer. Hence, to establish a correlation between properdin presence/levels in normal and cancer tissues, we performed bioinformatics analysis, using Oncomine and UALCAN. Survival analyses were performed using UALCAN and PROGgeneV2 to assess if properdin can serve as a potential prognostic marker for human lung adenocarcinoma (LUAD), liver hepatocellular carcinoma (LIHC), cervical squamous cell carcinoma (CESC), and pancreatic adenocarcinoma (PAAD). We also analyzed levels of tumor-infiltrating immune cells using TIMER, a tool for characterizing immune cell composition in cancers. We found that in LUAD and LIHC, there was a lower expression of properdin in the tumors compared to normal tissues, while no significant difference was observed in CESC and PAAD. Survival analysis demonstrated a positive association between properdin mRNA expression and overall survival in all 4 types of cancers. TIMER analysis revealed that properdin expression correlated negatively with tumor purity and positively with levels of infiltrating B cells, cytotoxic CD8+ T cells, CD4+ helper T cells, macrophages, neutrophils and dendritic cells in LUAD, CESC and PAAD, and with levels of B cells, CD8+ T cells and dendritic cells in LIHC. Immunohistochemical analysis revealed that infiltrating immune cells were the most likely source of properdin in the tumor microenvironment. Thus, complement protein properdin shows promise as a prognostic marker in cancer and warrants further study.
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Affiliation(s)
- Alessandro Mangogna
- Institute for Maternal and Child Health, IRCCS (Istituto di Ricovero e Cura a Carattere Scientifico) Burlo Garofolo, Trieste, Italy
| | - Praveen M. Varghese
- Biosciences, College of Health, Medicine and Life Sciences, Brunel University London, Uxbridge, United Kingdom
- School of Biosciences and Technology, Vellore Institute of Technology, Vellore, India
| | - Chiara Agostinis
- Institute for Maternal and Child Health, IRCCS (Istituto di Ricovero e Cura a Carattere Scientifico) Burlo Garofolo, Trieste, Italy
| | - Salman H. Alrokayan
- Department of Biochemistry, College of Science, King Saud University, Riyadh, Saudi Arabia
| | - Haseeb A. Khan
- Department of Biochemistry, College of Science, King Saud University, Riyadh, Saudi Arabia
| | - Cordula M. Stover
- School of Biological Sciences, University of Leicester, Leicester, United Kingdom
| | - Beatrice Belmonte
- Tumor Immunology Unit, Department of Health Promotion, Mother and Child Care, Internal Medicine and Medical Specialties, University of Palermo, Palermo, Italy
| | - Anna Martorana
- Department of Health Promotion, Mother and Child Care, Internal Medicine and Medical Specialties, University of Palermo, Palermo, Italy
| | - Giuseppe Ricci
- Institute for Maternal and Child Health, IRCCS (Istituto di Ricovero e Cura a Carattere Scientifico) Burlo Garofolo, Trieste, Italy
- Department of Medical, Surgical and Health Science, University of Trieste, Trieste, Italy
| | - Roberta Bulla
- Department of Life Sciences, University of Trieste, Trieste, Italy
- *Correspondence: Roberta Bulla, ; Uday Kishore, ;
| | - Uday Kishore
- Biosciences, College of Health, Medicine and Life Sciences, Brunel University London, Uxbridge, United Kingdom
- *Correspondence: Roberta Bulla, ; Uday Kishore, ;
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14
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Regulation of regulators: Role of the complement factor H-related proteins. Semin Immunol 2019; 45:101341. [PMID: 31757608 DOI: 10.1016/j.smim.2019.101341] [Citation(s) in RCA: 72] [Impact Index Per Article: 14.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/08/2019] [Revised: 10/07/2019] [Accepted: 10/24/2019] [Indexed: 01/15/2023]
Abstract
The complement system, while being an essential and very efficient effector component of innate immunity, may cause damage to the host and result in various inflammatory, autoimmune and infectious diseases or cancer, when it is improperly activated or regulated. Factor H is a serum glycoprotein and the main regulator of the activity of the alternative complement pathway. Factor H, together with its splice variant factor H-like protein 1 (FHL-1), inhibits complement activation at the level of the central complement component C3 and beyond. In humans, there are also five factor H-related (FHR) proteins, whose function is poorly characterized. While data indicate complement inhibiting activity for some of the FHRs, there is increasing evidence that FHRs have an opposite role compared with factor H and FHL-1, namely, they enhance complement activation directly and also by competing with the regulators FH and FHL-1. This review summarizes the current stand and recent data on the roles of factor H family proteins in health and disease, with focus on the function of FHR proteins.
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15
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Zhang R, Liu Q, Li T, Liao Q, Zhao Y. Role of the complement system in the tumor microenvironment. Cancer Cell Int 2019; 19:300. [PMID: 31787848 PMCID: PMC6858723 DOI: 10.1186/s12935-019-1027-3] [Citation(s) in RCA: 69] [Impact Index Per Article: 13.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2019] [Accepted: 11/11/2019] [Indexed: 12/17/2022] Open
Abstract
The complement system has traditionally been considered a component of innate immunity against invading pathogens and "nonself" cells. Recent studies have demonstrated the immunoregulatory functions of complement activation in the tumor microenvironment (TME). The TME plays crucial roles in tumorigenesis, progression, metastasis and recurrence. Imbalanced complement activation and the deposition of complement proteins have been demonstrated in many types of tumors. Plasma proteins, receptors, and regulators of complement activation regulate several biological functions of stromal cells in the TME and promote the malignant biological properties of tumors. Interactions between the complement system and cancer cells contribute to the proliferation, epithelial-mesenchymal transition, migration and invasion of tumor cells. In this review, we summarize recent advances related to the function of the complement system in the TME and discuss the therapeutic potential of targeting complement-mediated immunoregulation in cancer immunotherapy.
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Affiliation(s)
- Ronghua Zhang
- 0000 0001 0662 3178grid.12527.33Department of General Surgery, Peking Union Medical College Hospital, Peking Union Medical College & Chinese Academy of Medical Sciences, 1# Shuai Fu Yuan, Dong Dan District, Beijing, 100730 China
| | - Qiaofei Liu
- 0000 0001 0662 3178grid.12527.33Department of General Surgery, Peking Union Medical College Hospital, Peking Union Medical College & Chinese Academy of Medical Sciences, 1# Shuai Fu Yuan, Dong Dan District, Beijing, 100730 China
| | - Tong Li
- 0000 0001 0662 3178grid.12527.33Department of General Surgery, Peking Union Medical College Hospital, Peking Union Medical College & Chinese Academy of Medical Sciences, 1# Shuai Fu Yuan, Dong Dan District, Beijing, 100730 China
| | - Quan Liao
- 0000 0001 0662 3178grid.12527.33Department of General Surgery, Peking Union Medical College Hospital, Peking Union Medical College & Chinese Academy of Medical Sciences, 1# Shuai Fu Yuan, Dong Dan District, Beijing, 100730 China
| | - Yupei Zhao
- 0000 0001 0662 3178grid.12527.33Department of General Surgery, Peking Union Medical College Hospital, Peking Union Medical College & Chinese Academy of Medical Sciences, 1# Shuai Fu Yuan, Dong Dan District, Beijing, 100730 China
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16
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Švajger U, Rožman P. Induction of Tolerogenic Dendritic Cells by Endogenous Biomolecules: An Update. Front Immunol 2018; 9:2482. [PMID: 30416505 PMCID: PMC6212600 DOI: 10.3389/fimmu.2018.02482] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2018] [Accepted: 10/08/2018] [Indexed: 12/19/2022] Open
Abstract
The importance of microenvironment on dendritic cell (DC) function and development has been strongly established during the last two decades. Although DCs with general tolerogenic characteristics have been isolated and defined as a particular sub-population, it is predominantly their unequivocal biological plasticity, which allows for unparalleled responsiveness to environmental ques and shaping of their tolerogenic characteristics when interacting with tolerance-inducing biomolecules. Dendritic cells carry receptors for a great number of endogenous factors, which, after ligation, can importantly influence the development of their activation state. For this there is ample evidence merely by observation of DC characteristics isolated from various anatomical niches, e.g., the greater immunosuppressive potential of DCs isolated from intestine compared to conventional blood DCs. Endogenous biomolecules present in these environments most likely play a major role as a determinant of their phenotype and function. In this review, we will concisely summarize in what way various, tolerance-inducing endogenous factors influence DC biology, the development of their particular tolerogenic state and their subsequent actions in context of immune response inhibition and induction of regulatory T cells.
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Affiliation(s)
- Urban Švajger
- Department for Therapeutic Services, Blood Transfusion Centre of Slovenia, Ljubljana, Slovenia.,Faculty of Pharmacy, University of Ljubljana, Ljubljana, Slovenia
| | - Primož Rožman
- Department for Therapeutic Services, Blood Transfusion Centre of Slovenia, Ljubljana, Slovenia
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17
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O'Flynn J, Kotimaa J, Faber-Krol R, Koekkoek K, Klar-Mohamad N, Koudijs A, Schwaeble WJ, Stover C, Daha MR, van Kooten C. Properdin binds independent of complement activation in an in vivo model of anti-glomerular basement membrane disease. Kidney Int 2018; 94:1141-1150. [PMID: 30322716 DOI: 10.1016/j.kint.2018.06.030] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2017] [Revised: 05/31/2018] [Accepted: 06/28/2018] [Indexed: 12/31/2022]
Abstract
Properdin is the only known positive regulator of complement activation by stabilizing the alternative pathway convertase through C3 binding, thus prolonging its half-life. Recent in vitro studies suggest that properdin may act as a specific pattern recognition molecule. To better understand the role of properdin in vivo, we used an experimental model of acute anti-glomerular basement membrane disease with wild-type, C3- and properdin knockout mice. The model exhibited severe proteinuria, acute neutrophil infiltration and activation, classical and alternative pathway activation, and progressive glomerular deposition of properdin, C3 and C9. Although the acute renal injury was likely due to acute neutrophil activation, we found properdin deposition in C3-knockout mice that was not associated with IgG. Thus, properdin may deposit in injured tissues in vivo independent of its main ligand C3.
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Affiliation(s)
- Joseph O'Flynn
- Leiden University Medical Center, Department of Nephrology, Leiden, The Netherlands
| | - Juha Kotimaa
- Leiden University Medical Center, Department of Nephrology, Leiden, The Netherlands; University of Helsinki, Faculty of Medicine, Department of Bacteriology and Immunology, Helsinki, Finland
| | - Ria Faber-Krol
- Leiden University Medical Center, Department of Nephrology, Leiden, The Netherlands
| | - Karin Koekkoek
- Leiden University Medical Center, Department of Nephrology, Leiden, The Netherlands
| | - Ngaisah Klar-Mohamad
- Leiden University Medical Center, Department of Nephrology, Leiden, The Netherlands
| | - Angela Koudijs
- Leiden University Medical Center, Department of Nephrology, Leiden, The Netherlands
| | - Wilhelm J Schwaeble
- University of Leicester, Department of Infection, Immunity and Inflammation, Leicester, UK
| | - Cordula Stover
- University of Leicester, Department of Infection, Immunity and Inflammation, Leicester, UK
| | - Mohamed R Daha
- Leiden University Medical Center, Department of Nephrology, Leiden, The Netherlands
| | - Cees van Kooten
- Leiden University Medical Center, Department of Nephrology, Leiden, The Netherlands.
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18
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Sánchez-Corral P, Pouw RB, López-Trascasa M, Józsi M. Self-Damage Caused by Dysregulation of the Complement Alternative Pathway: Relevance of the Factor H Protein Family. Front Immunol 2018; 9:1607. [PMID: 30050540 PMCID: PMC6052053 DOI: 10.3389/fimmu.2018.01607] [Citation(s) in RCA: 32] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2018] [Accepted: 06/28/2018] [Indexed: 12/13/2022] Open
Abstract
The alternative pathway is a continuously active surveillance arm of the complement system, and it can also enhance complement activation initiated by the classical and the lectin pathways. Various membrane-bound and plasma regulatory proteins control the activation of the potentially deleterious complement system. Among the regulators, the plasma glycoprotein factor H (FH) is the main inhibitor of the alternative pathway and its powerful amplification loop. FH belongs to a protein family that also includes FH-like protein 1 and five factor H-related (FHR-1 to FHR-5) proteins. Genetic variants and abnormal rearrangements involving the FH protein family have been linked to numerous systemic and organ-specific diseases, including age-related macular degeneration, and the renal pathologies atypical hemolytic uremic syndrome, C3 glomerulopathies, and IgA nephropathy. This review covers the known and recently emerged ligands and interactions of the human FH family proteins associated with disease and discuss the very recent experimental data that suggest FH-antagonistic and complement-activating functions for the FHR proteins.
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Affiliation(s)
- Pilar Sánchez-Corral
- Complement Research Group, Hospital La Paz Institute for Health Research (IdiPAZ), La Paz University Hospital, Center for Biomedical Network Research on Rare Diseases (CIBERER), Madrid, Spain
| | - Richard B Pouw
- Department of Pharmaceutical Sciences, University of Basel, Basel, Switzerland
| | - Margarita López-Trascasa
- Complement Research Group, Hospital La Paz Institute for Health Research (IdiPAZ), La Paz University Hospital, Center for Biomedical Network Research on Rare Diseases (CIBERER), Madrid, Spain.,Department of Medicine, Universidad Autónoma de Madrid, Madrid, Spain
| | - Mihály Józsi
- Complement Research Group, Department of Immunology, ELTE Eötvös Loránd University, Budapest, Hungary.,MTA-SE Research Group of Immunology and Hematology, Hungarian Academy of Sciences and Semmelweis University, Budapest, Hungary
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19
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Chen JY, Cortes C, Ferreira VP. Properdin: A multifaceted molecule involved in inflammation and diseases. Mol Immunol 2018; 102:58-72. [PMID: 29954621 DOI: 10.1016/j.molimm.2018.05.018] [Citation(s) in RCA: 49] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2018] [Revised: 05/16/2018] [Accepted: 05/23/2018] [Indexed: 01/17/2023]
Abstract
Properdin, the widely known positive regulator of the alternative pathway (AP), has undergone significant investigation over the last decade to define its function in inflammation and disease, including its role in arthritis, asthma, and kidney and cardiovascular diseases. Properdin is a glycoprotein found in plasma that is mainly produced by leukocytes and can positively regulate AP activity by stabilizing C3 and C5 convertases and initiating the AP. Promotion of complement activity by properdin results in changes in the cellular microenvironment that contribute to innate and adaptive immune responses, including pro-inflammatory cytokine production, immune cell infiltration, antigen presenting cell maturation, and tissue damage. The use of properdin-deficient mouse models and neutralizing antibodies has contributed to the understanding of the mechanisms by which properdin contributes to promoting or preventing disease pathology. This review mainly focusses on the multifaceted roles of properdin in inflammation and diseases, and how understanding these roles is contributing to the development of new disease therapies.
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Affiliation(s)
- Jin Y Chen
- Department of Medical Microbiology and Immunology, University of Toledo College of Medicine and Life Sciences, Toledo, OH, United States.
| | - Claudio Cortes
- Department of Biomedical Sciences, University of Oakland University School of Medicine, Rochester, MI, United States.
| | - Viviana P Ferreira
- Department of Medical Microbiology and Immunology, University of Toledo College of Medicine and Life Sciences, Toledo, OH, United States.
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20
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Al-Mozaini MA, Tsolaki AG, Abdul-Aziz M, Abozaid SM, Al-Ahdal MN, Pathan AA, Murugaiah V, Makarov EM, Kaur A, Sim RB, Kishore U, Kouser L. Human Properdin Modulates Macrophage: Mycobacterium bovis BCG Interaction via Thrombospondin Repeats 4 and 5. Front Immunol 2018; 9:533. [PMID: 29867915 PMCID: PMC5951972 DOI: 10.3389/fimmu.2018.00533] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2017] [Accepted: 03/01/2018] [Indexed: 02/01/2023] Open
Abstract
Mycobacterium tuberculosis can proficiently enter macrophages and diminish complement activation on its cell surface. Within macrophages, the mycobacterium can suppress macrophage apoptosis and survive within the intracellular environment. Previously, we have shown that complement regulatory proteins such as factor H may interfere with pathogen–macrophage interactions during tuberculosis infection. In this study, we show that Mycobacterium bovis BCG binds properdin, an upregulator of the complement alternative pathway. TSR4+5, a recombinant form of thrombospondin repeats 4 and 5 of human properdin expressed in tandem, which is an inhibitor of the alternative pathway, was also able to bind to M. bovis BCG. Properdin and TSR4+5 were found to inhibit uptake of M. bovis BCG by THP-1 macrophage cells in a dose-dependent manner. Quantitative real-time PCR revealed elevated pro-inflammatory responses (TNF-α, IL-1β, and IL-6) in the presence of properdin or TSR4+5, which gradually decreased over 6 h. Correspondingly, anti-inflammatory responses (IL-10 and TGF-β) showed suppressed levels of expression in the presence of properdin, which gradually increased over 6 h. Multiplex cytokine array analysis also revealed that properdin and TSR4+5 significantly enhanced the pro-inflammatory response (TNF-α, IL-1β, and IL-1α) at 24 h, which declined at 48 h, whereas the anti-inflammatory response (IL-10) was suppressed. Our results suggest that properdin may interfere with mycobacterial entry into macrophages via TSR4 and TSR5, particularly during the initial stages of infection, thus affecting the extracellular survival of the pathogen. This study offers novel insights into the non-complement related functions of properdin during host–pathogen interactions in tuberculosis.
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Affiliation(s)
- Maha Ahmed Al-Mozaini
- College of Health and Life Sciences, Brunel University London, London, United Kingdom.,Department of Infection and Immunity, King Faisal Specialist Hospital and Research Centre, Riyadh, Saudi Arabia
| | - Anthony G Tsolaki
- College of Health and Life Sciences, Brunel University London, London, United Kingdom
| | - Munirah Abdul-Aziz
- College of Health and Life Sciences, Brunel University London, London, United Kingdom.,Department of Biochemistry, Oxford University, Oxford, United Kingdom
| | - Suhair M Abozaid
- College of Health and Life Sciences, Brunel University London, London, United Kingdom.,Department of Infection and Immunity, King Faisal Specialist Hospital and Research Centre, Riyadh, Saudi Arabia
| | - Mohammed N Al-Ahdal
- Department of Infection and Immunity, King Faisal Specialist Hospital and Research Centre, Riyadh, Saudi Arabia
| | - Ansar A Pathan
- College of Health and Life Sciences, Brunel University London, London, United Kingdom
| | - Valarmathy Murugaiah
- College of Health and Life Sciences, Brunel University London, London, United Kingdom
| | - Evgeny M Makarov
- College of Health and Life Sciences, Brunel University London, London, United Kingdom
| | - Anuvinder Kaur
- College of Health and Life Sciences, Brunel University London, London, United Kingdom
| | - Robert B Sim
- Department of Biochemistry, Oxford University, Oxford, United Kingdom
| | - Uday Kishore
- College of Health and Life Sciences, Brunel University London, London, United Kingdom
| | - Lubna Kouser
- College of Health and Life Sciences, Brunel University London, London, United Kingdom
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21
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Kouser L, Paudyal B, Kaur A, Stenbeck G, Jones LA, Abozaid SM, Stover CM, Flahaut E, Sim RB, Kishore U. Human Properdin Opsonizes Nanoparticles and Triggers a Potent Pro-inflammatory Response by Macrophages without Involving Complement Activation. Front Immunol 2018; 9:131. [PMID: 29483907 PMCID: PMC5816341 DOI: 10.3389/fimmu.2018.00131] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2017] [Accepted: 01/16/2018] [Indexed: 12/28/2022] Open
Abstract
Development of nanoparticles as tissue-specific drug delivery platforms can be considerably influenced by the complement system because of their inherent pro-inflammatory and tumorigenic consequences. The complement activation pathways, and its recognition subcomponents, can modulate clearance of the nanoparticles and subsequent inflammatory response and thus alter the intended translational applications. Here, we report, for the first time, that human properdin, an upregulator of the complement alternative pathway, can opsonize functionalized carbon nanotubes (CNTs) via its thrombospondin type I repeat (TSR) 4 and 5. Binding of properdin and TSR4+5 is likely to involve charge pattern/polarity recognition of the CNT surface since both carboxymethyl cellulose-coated carbon nanotubes (CMC-CNT) and oxidized (Ox-CNT) bound these proteins well. Properdin enhanced the uptake of CMC-CNTs by a macrophage cell line, THP-1, mounting a robust pro-inflammatory immune response, as revealed by qRT-PCR, multiplex cytokine array, and NF-κB nuclear translocation analyses. Properdin can be locally synthesized by immune cells in an inflammatory microenvironment, and thus, its interaction with nanoparticles is of considerable importance. In addition, recombinant TSR4+5 coated on the CMC-CNTs inhibited complement consumption by CMC-CNTs, suggesting that nanoparticle decoration with TSR4+5, can be potentially used as a complement inhibitor in a number of pathological contexts arising due to exaggerated complement activation.
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Affiliation(s)
- Lubna Kouser
- Biosciences, College of Health and Life Sciences, Brunel University London, Uxbridge, United Kingdom
| | - Basudev Paudyal
- Biosciences, College of Health and Life Sciences, Brunel University London, Uxbridge, United Kingdom
- Faculty of Science, Engineering and Computing, Kingston University, Kingston upon Thames, Surrey, United Kingdom
| | - Anuvinder Kaur
- Biosciences, College of Health and Life Sciences, Brunel University London, Uxbridge, United Kingdom
| | - Gudrun Stenbeck
- Biosciences, College of Health and Life Sciences, Brunel University London, Uxbridge, United Kingdom
| | - Lucy A. Jones
- Faculty of Science, Engineering and Computing, Kingston University, Kingston upon Thames, Surrey, United Kingdom
| | - Suhair M. Abozaid
- Department of Infection and Immunity, King Faisal Specialist Hospital and Research Centre, Riyadh, Saudi Arabia
| | - Cordula M. Stover
- Department of Infection, Immunity and Inflammation, University of Leicester, Leicester, United Kingdom
| | - Emmanuel Flahaut
- Université de Toulouse, CNRS, INPT, UPS, UMR CNRS-UPS-INP N°5085, 3 Paul Sabatier, Bât. CIRIMAT, Toulouse, France
| | - Robert B. Sim
- Department of Biochemistry, University of Oxford, Oxford, United Kingdom
| | - Uday Kishore
- Biosciences, College of Health and Life Sciences, Brunel University London, Uxbridge, United Kingdom
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22
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Killick J, Morisse G, Sieger D, Astier AL. Complement as a regulator of adaptive immunity. Semin Immunopathol 2018; 40:37-48. [PMID: 28842749 PMCID: PMC5794818 DOI: 10.1007/s00281-017-0644-y] [Citation(s) in RCA: 81] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2017] [Accepted: 08/03/2017] [Indexed: 11/30/2022]
Abstract
The complement system is an ancient and evolutionarily conserved effector system comprising in mammals over 50 circulating and membrane bound proteins. Complement has long been described as belonging to the innate immune system; however, a number of recent studies have demonstrated its key role in the modulation of the adaptive immune response. This review does not set out to be an exhaustive list of the numerous interactions of the many complement components with adaptive immunity; rather, we will focus more precisely on the role of some complement molecules in the regulation of antigen presenting cells, as well as on their direct effect on the activation of the core adaptive immune cells, B and T lymphocytes. Recent reports on the local production and activation of complement proteins also suggest a major role in the control of effector responses. The crucial role of complement in adaptive immunity is further highlighted by several examples of dysregulation of these pathways in human diseases.
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Affiliation(s)
- Justin Killick
- MRC Centre for Inflammation Research, Edinburgh Centre for MS Research, University of Edinburgh, Queen's Medical Research Institute, Edinburgh, EH16 4TJ, UK
| | - Gregoire Morisse
- MRC Centre for Inflammation Research, Edinburgh Centre for MS Research, University of Edinburgh, Queen's Medical Research Institute, Edinburgh, EH16 4TJ, UK
- Centre for NeuroRegeneration, Edinburgh Centre for MS Research, University of Edinburgh, Edinburgh, EH16 4SB, UK
| | - Dirk Sieger
- Centre for NeuroRegeneration, Edinburgh Centre for MS Research, University of Edinburgh, Edinburgh, EH16 4SB, UK
| | - Anne L Astier
- MRC Centre for Inflammation Research, Edinburgh Centre for MS Research, University of Edinburgh, Queen's Medical Research Institute, Edinburgh, EH16 4TJ, UK.
- Inserm U1043, CNRS U5282, Université de Toulouse, Centre de Physiopathologie Toulouse-Purpan (CPTP), F-31300, Toulouse, France.
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23
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Liu C, Shen Q, Zheng W, Lv Y, Chen X, Li X, Zhu Q, Guo X, Ge R, Li C. Poly(anhydride) nanoparticles act as effective adjuvants to elicit a persistent immune response. RSC Adv 2017. [DOI: 10.1039/c7ra11891k] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023] Open
Abstract
This research shows that p-OVA nanoparticles composed of poly(anhydride) and OVA have a strong ability to induce an OVA-specific immune response.
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Affiliation(s)
- Caixia Liu
- The Second Affiliated Hospital and Yuying Children’s Hospital of Wenzhou Medical University
- Wenzhou 325027
- P. R. China
| | - Qiuxai Shen
- The Second Affiliated Hospital and Yuying Children’s Hospital of Wenzhou Medical University
- Wenzhou 325027
- P. R. China
| | - Wenwen Zheng
- The Second Affiliated Hospital and Yuying Children’s Hospital of Wenzhou Medical University
- Wenzhou 325027
- P. R. China
| | - Yao Lv
- The Second Affiliated Hospital and Yuying Children’s Hospital of Wenzhou Medical University
- Wenzhou 325027
- P. R. China
| | - Xinyu Chen
- The Second Affiliated Hospital and Yuying Children’s Hospital of Wenzhou Medical University
- Wenzhou 325027
- P. R. China
| | - Xiaoheng Li
- The Second Affiliated Hospital and Yuying Children’s Hospital of Wenzhou Medical University
- Wenzhou 325027
- P. R. China
| | - Qiqi Zhu
- The Second Affiliated Hospital and Yuying Children’s Hospital of Wenzhou Medical University
- Wenzhou 325027
- P. R. China
| | - Xiaoling Guo
- The Second Affiliated Hospital and Yuying Children’s Hospital of Wenzhou Medical University
- Wenzhou 325027
- P. R. China
| | - Renshan Ge
- The Second Affiliated Hospital and Yuying Children’s Hospital of Wenzhou Medical University
- Wenzhou 325027
- P. R. China
| | - Chao Li
- The Second Affiliated Hospital and Yuying Children’s Hospital of Wenzhou Medical University
- Wenzhou 325027
- P. R. China
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