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Zhang T, Luo X, Xu K, Zhong W. Peptide-containing nanoformulations: Skin barrier penetration and activity contribution. Adv Drug Deliv Rev 2023; 203:115139. [PMID: 37951358 DOI: 10.1016/j.addr.2023.115139] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2023] [Revised: 10/21/2023] [Accepted: 11/08/2023] [Indexed: 11/14/2023]
Abstract
Transdermal drug delivery presents a less invasive pathway, circumventing the need to pass through the gastrointestinal tract and liver, thereby reducing drug breakdown, initial metabolism, and gastrointestinal discomfort. Nevertheless, the unique composition and dense structure of the stratum corneum present a significant barrier to transdermal delivery. This article presents an overview of the current developments in peptides and nanotechnology to address this challenge. Initially, we sum up peptide-containing nanoformulations for transdermal drug delivery, examining them through the lenses of both inorganic and organic materials. Particular emphasis is placed on the diverse roles that peptides play within these nanoformulations, including conferring functionality upon nanocarriers and enhancing the biological efficacy of drugs. Subsequently, we summarize innovative strategies for enhancing skin penetration, categorizing them into passive and active approaches. Lastly, we discuss the therapeutic potential of peptide-containing nanoformulations in addressing a range of diseases, drawing insights from the biological activities and functions of peptides. Furthermore, the challenges hindering clinical translation are also discussed, providing valuable insights for future advancements in transdermal drug delivery.
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Affiliation(s)
- Tingting Zhang
- Department of Chemistry, China Pharmaceutical University, Nanjing 210009, China
| | - Xuan Luo
- Department of Chemistry, China Pharmaceutical University, Nanjing 210009, China
| | - Keming Xu
- Department of Chemistry, China Pharmaceutical University, Nanjing 210009, China; Key Laboratory of Biomedical Functional Materials, China Pharmaceutical University, Nanjing 210009, China.
| | - Wenying Zhong
- Department of Chemistry, China Pharmaceutical University, Nanjing 210009, China; Key Laboratory of Biomedical Functional Materials, China Pharmaceutical University, Nanjing 210009, China; Key Laboratory of Drug Quality Control and Pharmacovigilance, China Pharmaceutical University, Nanjing 210009, China.
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2
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Emerging affinity ligands and support materials for the enrichment of monoclonal antibodies. Trends Analyt Chem 2022. [DOI: 10.1016/j.trac.2022.116744] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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3
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Sung PS, Park DJ, Roh PR, Mun KD, Cho SW, Lee GW, Jung ES, Lee SH, Jang JW, Bae SH, Choi JY, Choi J, Ahn J, Yoon SK. Intrahepatic inflammatory IgA +PD-L1 high monocytes in hepatocellular carcinoma development and immunotherapy. J Immunother Cancer 2022; 10:e003618. [PMID: 35577505 PMCID: PMC9114848 DOI: 10.1136/jitc-2021-003618] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/19/2022] [Indexed: 12/11/2022] Open
Abstract
BACKGROUND IgA neutralizes pathogens to prevent infection at mucosal sites. However, emerging evidence shows that IgA contributes to aggravating inflammation or dismantling antitumor immunity in human diseased liver. The aim of this study was to elucidate the roles of inflammation-induced intrahepatic inflammatory IgA+ monocytes in the development of hepatocellular carcinoma (HCC). METHODS Patient cohorts including steatohepatitis cohort (n=61) and HCC cohort (n=271) were established. Patients' surgical and biopsy specimens were analyzed using immunohistochemistry. Multicolor flow cytometry was performed with a subset of patient samples. Single-cell RNA-Seq analysis was performed using Gene Expression Omnibus (GEO) datasets. Additionally, we performed in vitro differentiation of macrophages, stimulation with coated IgA, and RNA sequencing. Hepa1-6 cells and C57BL/6N mice were used to obtain HCC syngeneic mouse models. RESULTS Serum IgA levels were associated (p<0.001) with fibrosis progression and HCC development in patients with chronic liver diseases. Additionally, immunohistochemical staining of inflamed livers or HCC revealed IgA positivity in monocytes, with a correlation between IgA+ cell frequency and IgA serum levels. Compared with IgA- monocytes, intrahepatic IgA+ monocytes expressed higher levels of programmed death-ligand 1 (PD-L1) in inflamed livers and in HCC tumor microenvironment. Single-cell RNA sequencing using NCBI GEO database indicated an upregulation in inflammation-associated genes in the monocytes of patients whose plasma cell IGHA1 expression was greater than or equal to the median value. Bulk RNA sequencing demonstrated that in vitro stimulation of M2-polarized macrophages using coated IgA complex induced PD-L1 upregulation via YAP-mediated signaling. In vivo blockade of IgA signaling decreased the number of tumor-infiltrating IgA+PD-L1high macrophages and increased the number of CD69+CD8+ T cells to enhance antitumor effects in HCC mice models. CONCLUSIONS Overall, the findings of this study showed that serum IgA levels was correlated with intrahepatic and intratumoral infiltration of inflammatory IgA+PD-L1high monocytes in chronic liver diseases and HCC, providing potential therapeutic targets.
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Affiliation(s)
- Pil Soo Sung
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, College of Medicine, Seoul St. Mary's Hospital, The Catholic University of Korea, Seoul, South Korea
- The Catholic University Liver Research Center, College of Medicine, Department of Biomedicine & Health Sciences, The Catholic University of Korea, Seoul, South Korea
| | - Dong Jun Park
- The Catholic University Liver Research Center, College of Medicine, Department of Biomedicine & Health Sciences, The Catholic University of Korea, Seoul, South Korea
| | - Pu Reun Roh
- The Catholic University Liver Research Center, College of Medicine, Department of Biomedicine & Health Sciences, The Catholic University of Korea, Seoul, South Korea
| | - Kyoung Do Mun
- The Catholic University Liver Research Center, College of Medicine, Department of Biomedicine & Health Sciences, The Catholic University of Korea, Seoul, South Korea
| | - Sung Woo Cho
- The Catholic University Liver Research Center, College of Medicine, Department of Biomedicine & Health Sciences, The Catholic University of Korea, Seoul, South Korea
| | - Gil Won Lee
- The Catholic University Liver Research Center, College of Medicine, Department of Biomedicine & Health Sciences, The Catholic University of Korea, Seoul, South Korea
| | - Eun Sun Jung
- Department of Hospital Pathology, College of Medicine, Eunpyeong St. Mary's Hospital, The Catholic University of Korea, Seoul, South Korea
| | - Sung Hak Lee
- Department of Hospital Pathology, College of Medicine, Seoul St. Mary's Hospital, The Catholic University of Korea, Seoul, South Korea
| | - Jeong Won Jang
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, College of Medicine, Seoul St. Mary's Hospital, The Catholic University of Korea, Seoul, South Korea
| | - Si Hyun Bae
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, College of Medicine, Eunpyeong St. Mary's Hospital, The Catholic University of Korea, Seoul, South Korea
| | - Jong Young Choi
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, College of Medicine, Seoul St. Mary's Hospital, The Catholic University of Korea, Seoul, South Korea
| | - Jonghwan Choi
- Department of Computer Science, Yonsei University, Seoul, South Korea
| | - Jaegyoon Ahn
- Department of Computer Science & Engineering, Incheon National University, Incheon, South Korea
| | - Seung Kew Yoon
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, College of Medicine, Seoul St. Mary's Hospital, The Catholic University of Korea, Seoul, South Korea
- The Catholic University Liver Research Center, College of Medicine, Department of Biomedicine & Health Sciences, The Catholic University of Korea, Seoul, South Korea
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4
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Bos A, Aleyd E, van der Steen LPE, Winter PJ, Heemskerk N, Pouw SM, Boon L, Musters RJP, Bakema JE, Sitaru C, Cogné M, van Egmond M. Anti-FcαRI Monoclonal Antibodies Resolve IgA Autoantibody-Mediated Disease. Front Immunol 2022; 13:732977. [PMID: 35371001 PMCID: PMC8965572 DOI: 10.3389/fimmu.2022.732977] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2021] [Accepted: 02/09/2022] [Indexed: 01/02/2023] Open
Abstract
Immunoglobulin A (IgA) is generally considered as a non-inflammatory regulator of mucosal immunity, and its importance in diversifying the gut microbiota is increasingly appreciated. IgA autoantibodies have been found in several autoimmune or chronic inflammatory diseases, but their role in pathophysiology is ill-understood. IgA can interact with the Fc receptor FcαRI on immune cells. We now established a novel IgA autoimmune blistering model, which closely resembles the human disease linear IgA bullous disease (LABD) by using genetically modified mice that produce human IgA and express human FcαRI. Intravital microscopy demonstrated that presence of IgA anti-collagen XVII, - the auto-antigen in LABD-, resulted in neutrophil activation and extravasation from blood vessels into skin tissue. Continued exposure to anti-collagen XVII IgA led to massive neutrophil accumulation, severe tissue damage and blister formation. Importantly, treatment with anti-FcαRI monoclonal antibodies not only prevented disease, but was also able to resolve existing inflammation and tissue damage. Collectively, our data reveal a novel role of neutrophil FcαRI in IgA autoantibody-mediated disease and identify FcαRI as promising new therapeutic target to resolve chronic inflammation and tissue damage.
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Affiliation(s)
- Amelie Bos
- Department of Molecular Cell Biology and Immunology, Amsterdam UMC, Vrije Universiteit, Research Institute of Amsterdam Institute for Infection and Immunity, Research Institute of Amsterdam Institute for Infection and Immunity, Amsterdam, Netherlands
| | - Esil Aleyd
- Department of Molecular Cell Biology and Immunology, Amsterdam UMC, Vrije Universiteit, Research Institute of Amsterdam Institute for Infection and Immunity, Research Institute of Amsterdam Institute for Infection and Immunity, Amsterdam, Netherlands
| | - Lydia P E van der Steen
- Department of Molecular Cell Biology and Immunology, Amsterdam UMC, Vrije Universiteit, Research Institute of Amsterdam Institute for Infection and Immunity, Research Institute of Amsterdam Institute for Infection and Immunity, Amsterdam, Netherlands
| | - P J Winter
- Department of Molecular Cell Biology and Immunology, Amsterdam UMC, Vrije Universiteit, Research Institute of Amsterdam Institute for Infection and Immunity, Research Institute of Amsterdam Institute for Infection and Immunity, Amsterdam, Netherlands
| | - Niels Heemskerk
- Department of Molecular Cell Biology and Immunology, Amsterdam UMC, Vrije Universiteit, Research Institute of Amsterdam Institute for Infection and Immunity, Research Institute of Amsterdam Institute for Infection and Immunity, Amsterdam, Netherlands
| | - Stephan M Pouw
- Department of Molecular Cell Biology and Immunology, Amsterdam UMC, Vrije Universiteit, Research Institute of Amsterdam Institute for Infection and Immunity, Research Institute of Amsterdam Institute for Infection and Immunity, Amsterdam, Netherlands
| | - Louis Boon
- Reseach and Development, JJP Biologics, Warsaw, Poland
| | - Rene J P Musters
- Department of Physiology, Amsterdam UMC, Vrije Universiteit, Amsterdam, Netherlands
| | - Jantine E Bakema
- Department of Otolaryngology/Head-Neck Surgery, Amsterdam UMC, Vrije Universiteit, Amsterdam, Netherlands
| | - Cassian Sitaru
- Department of Dermatology, University of Freiburg, Freiburg, Germany
| | - Michel Cogné
- Department of Immunology, University of Limoges, Limoges, France
| | - Marjolein van Egmond
- Department of Molecular Cell Biology and Immunology, Amsterdam UMC, Vrije Universiteit, Research Institute of Amsterdam Institute for Infection and Immunity, Research Institute of Amsterdam Institute for Infection and Immunity, Amsterdam, Netherlands.,Department of Surgery, Amsterdam UMC, Vrije Universiteit, Amsterdam, Netherlands
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5
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Gorshkova EN, Lecerf M, Astrakhantseva IV, Vasilenko EA, Starkina OV, Ilyukina NA, Dimitrova PA, Dimitrov JD, Vassilev TL. Induced antigen-binding polyreactivity in human serum IgA. Immunobiology 2022; 227:152213. [DOI: 10.1016/j.imbio.2022.152213] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2021] [Revised: 12/27/2021] [Accepted: 04/04/2022] [Indexed: 12/15/2022]
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6
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Bohländer F, Weißmüller S, Riehl D, Gutscher M, Schüttrumpf J, Faust S. The Functional Role of IgA in the IgM/IgA-Enriched Immunoglobulin Preparation Trimodulin. Biomedicines 2021; 9:1828. [PMID: 34944644 PMCID: PMC8698729 DOI: 10.3390/biomedicines9121828] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2021] [Revised: 11/30/2021] [Accepted: 12/01/2021] [Indexed: 11/16/2022] Open
Abstract
In comparison to human immunoglobulin (Ig) G, antibodies of IgA class are not well investigated. In line with this, the functional role of the IgA component in IgM/IgA-enriched immunoglobulin preparations is also largely unknown. In recent years, powerful anti-pathogenic and immunomodulatory properties of human serum IgA especially on neutrophil function were unraveled. Therefore, the aim of our work is to investigate functional aspects of the trimodulin IgA component, a new plasma-derived polyvalent immunoglobulin preparation containing ~56% IgG, ~23% IgM and ~21% IgA. The functional role of IgA was investigated by analyzing the interaction of IgA with FcαRI, comparing trimodulin with standard intravenous IgG (IVIG) preparation and investigating Fc receptor (FcR)-dependent functions by excluding IgM-mediated effects. Trimodulin demonstrated potent immunomodulatory, as well as anti-pathogenic effects in our neutrophil model (neutrophil-like HL-60 cells). The IgA component of trimodulin was shown to induce a strong FcαRI-dependent inhibitory immunoreceptor tyrosine-based activation motif (ITAMi) signaling, counteract lipopolysaccharide-induced inflammation and mediate phagocytosis of Staphylococcus aureus. The fine-tuned balance between immunomodulatory and anti-pathogenic effects of trimodulin were shown to be dose-dependent. Summarized, our data demonstrate the functional role of IgA in trimodulin, highlighting the importance of this immunoglobulin class in immunoglobulin therapy.
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Affiliation(s)
- Fabian Bohländer
- Department of Analytical Development and Validation, Biotest AG, Landsteinerstraße 5, 63303 Dreieich, Germany; (F.B.); (D.R.); (M.G.)
| | - Sabrina Weißmüller
- Department of Translational Research, Biotest AG, Landsteinerstraße 5, 63303 Dreieich, Germany;
| | - Dennis Riehl
- Department of Analytical Development and Validation, Biotest AG, Landsteinerstraße 5, 63303 Dreieich, Germany; (F.B.); (D.R.); (M.G.)
| | - Marcus Gutscher
- Department of Analytical Development and Validation, Biotest AG, Landsteinerstraße 5, 63303 Dreieich, Germany; (F.B.); (D.R.); (M.G.)
| | - Jörg Schüttrumpf
- Corporate R&D, Biotest AG, Landsteinerstraße 5, 63303 Dreieich, Germany;
| | - Stefanie Faust
- Department of Analytical Development and Validation, Biotest AG, Landsteinerstraße 5, 63303 Dreieich, Germany; (F.B.); (D.R.); (M.G.)
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7
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Shu T, Xing Y, Wang J. Autoimmunity in Pulmonary Arterial Hypertension: Evidence for Local Immunoglobulin Production. Front Cardiovasc Med 2021; 8:680109. [PMID: 34621794 PMCID: PMC8490641 DOI: 10.3389/fcvm.2021.680109] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2021] [Accepted: 08/12/2021] [Indexed: 12/12/2022] Open
Abstract
Pulmonary arterial hypertension (PAH) is a progressive life-threatening disease. The notion that autoimmunity is associated with PAH is widely recognized by the observations that patients with connective tissue diseases or virus infections are more susceptible to PAH. However, growing evidence supports that the patients with idiopathic PAH (IPAH) with no autoimmune diseases also have auto-antibodies. Anti-inflammatory therapy shows less help in decreasing auto-antibodies, therefore, elucidating the process of immunoglobulin production is in great need. Maladaptive immune response in lung tissues is considered implicating in the local auto-antibodies production in patients with IPAH. In this review, we will discuss the specific cell types involved in the lung in situ immune response, the potential auto-antigens, and the contribution of local immunoglobulin production in PAH development, providing a theoretical basis for drug development and precise treatment in patients with PAH.
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Affiliation(s)
- Ting Shu
- State Key Laboratory of Medical Molecular Biology, Department of Pathophysiology, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences, Peking Union Medical College, Beijing, China
| | - Yanjiang Xing
- State Key Laboratory of Medical Molecular Biology, Department of Physiology, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences, Peking Union Medical College, Beijing, China
| | - Jing Wang
- State Key Laboratory of Medical Molecular Biology, Department of Pathophysiology, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences, Peking Union Medical College, Beijing, China
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8
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Bohländer F, Riehl D, Weißmüller S, Gutscher M, Schüttrumpf J, Faust S. Immunomodulation: Immunoglobulin Preparations Suppress Hyperinflammation in a COVID-19 Model via FcγRIIA and FcαRI. Front Immunol 2021; 12:700429. [PMID: 34177967 PMCID: PMC8223875 DOI: 10.3389/fimmu.2021.700429] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2021] [Accepted: 05/21/2021] [Indexed: 12/13/2022] Open
Abstract
The rapid spread of SARS-CoV-2 has induced a global pandemic. Severe forms of COVID-19 are characterized by dysregulated immune response and "cytokine storm". The role of IgG and IgM antibodies in COVID-19 pathology is reasonably well studied, whereas IgA is neglected. To improve clinical outcome of patients, immune modulatory drugs appear to be beneficial. Such drugs include intravenous immunoglobulin preparations, which were successfully tested in severe COVID-19 patients. Here we established a versatile in vitro model to study inflammatory as well as anti-inflammatory processes by therapeutic human immunoglobulins. We dissect the inflammatory activation on neutrophil-like HL60 cells, using an immune complex consisting of latex beads coated with spike protein of SARS-CoV-2 and opsonized with specific immunoglobulins from convalescent plasma. Our data clarifies the role of Fc-receptor-dependent phagocytosis via IgA-FcαRI and IgG-FcγR for COVID-19 disease followed by cytokine release. We show that COVID-19 associated inflammation could be reduced by addition of human immunoglobulin preparations (IVIG and trimodulin), while trimodulin elicits stronger immune modulation by more powerful ITAMi signaling. Besides IgG, the IgA component of trimodulin in particular, is of functional relevance for immune modulation in this assay setup, highlighting the need to study IgA mediated immune response.
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Affiliation(s)
- Fabian Bohländer
- Department of Analytical Development and Validation, Corporate R&D, Biotest AG, Dreieich, Germany
- Corporate R&D, Biotest AG, Dreieich, Germany
| | - Dennis Riehl
- Department of Analytical Development and Validation, Corporate R&D, Biotest AG, Dreieich, Germany
- Corporate R&D, Biotest AG, Dreieich, Germany
| | - Sabrina Weißmüller
- Corporate R&D, Biotest AG, Dreieich, Germany
- Department of Translational Research, Preclinical Research, Corporate R&D, Biotest AG, Dreieich, Germany
| | - Marcus Gutscher
- Department of Analytical Development and Validation, Corporate R&D, Biotest AG, Dreieich, Germany
- Corporate R&D, Biotest AG, Dreieich, Germany
| | | | - Stefanie Faust
- Department of Analytical Development and Validation, Corporate R&D, Biotest AG, Dreieich, Germany
- Corporate R&D, Biotest AG, Dreieich, Germany
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9
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van Gool MMJ, van Egmond M. IgA and FcαRI: Versatile Players in Homeostasis, Infection, and Autoimmunity. Immunotargets Ther 2021; 9:351-372. [PMID: 33447585 PMCID: PMC7801909 DOI: 10.2147/itt.s266242] [Citation(s) in RCA: 31] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2020] [Accepted: 12/17/2020] [Indexed: 12/11/2022] Open
Abstract
Mucosal surfaces constitute the frontiers of the body and are the biggest barriers of our body for the outside world. Immunoglobulin A (IgA) is the most abundant antibody class present at these sites. It passively contributes to mucosal homeostasis via immune exclusion maintaining a tight balance between tolerating commensals and providing protection against pathogens. Once pathogens have succeeded in invading the epithelial barriers, IgA has an active role in host-pathogen defense by activating myeloid cells through divers receptors, including its Fc receptor, FcαRI (CD89). To evade elimination, several pathogens secrete proteins that interfere with either IgA neutralization or FcαRI-mediated immune responses, emphasizing the importance of IgA-FcαRI interactions in preventing infection. Depending on the IgA form, either anti- or pro-inflammatory responses can be induced. Moreover, the presence of excessive IgA immune complexes can result in continuous FcαRI-mediated activation of myeloid cells, potentially leading to severe tissue damage. On the one hand, enhancing pathogen-specific mucosal and systemic IgA by vaccination may increase protective immunity against infectious diseases. On the other hand, interfering with the IgA-FcαRI axis by monovalent targeting or blocking FcαRI may resolve IgA-induced inflammation and tissue damage. This review describes the multifaceted role of FcαRI as immune regulator between anti- and pro-inflammatory responses of IgA, and addresses potential novel therapeutic strategies that target FcαRI in disease. ![]()
Point your SmartPhone at the code above. If you have a QR code reader the video abstract will appear. Or use: https://youtu.be/xlijXy5W0xA
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Affiliation(s)
- Melissa Maria Johanna van Gool
- Department of Molecular Cell Biology and Immunology, Amsterdam UMC, Amsterdam, Vrije Universiteit Amsterdam, Amsterdam, Netherlands.,Amsterdam institute for Infection and Immunity, Amsterdam UMC, Amsterdam, Netherlands
| | - Marjolein van Egmond
- Department of Molecular Cell Biology and Immunology, Amsterdam UMC, Amsterdam, Vrije Universiteit Amsterdam, Amsterdam, Netherlands.,Amsterdam institute for Infection and Immunity, Amsterdam UMC, Amsterdam, Netherlands.,Department of Surgery, Amsterdam UMC, Vrije Universiteit Amsterdam, Amsterdam, Netherlands
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10
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Hansen AL, Reily C, Novak J, Renfrow MB. Immunoglobulin A Glycosylation and Its Role in Disease. EXPERIENTIA SUPPLEMENTUM (2012) 2021; 112:433-477. [PMID: 34687019 DOI: 10.1007/978-3-030-76912-3_14] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Human IgA is comprised of two subclasses, IgA1 and IgA2. Monomeric IgA (mIgA), polymeric IgA (pIgA), and secretory IgA (SIgA) are the main molecular forms of IgA. The production of IgA rivals all other immunoglobulin isotypes. The large quantities of IgA reflect the fundamental roles it plays in immune defense, protecting vulnerable mucosal surfaces against invading pathogens. SIgA dominates mucosal surfaces, whereas IgA in circulation is predominately monomeric. All forms of IgA are glycosylated, and the glycans significantly influence its various roles, including antigen binding and the antibody effector functions, mediated by the Fab and Fc portions, respectively. In contrast to its protective role, the aberrant glycosylation of IgA1 has been implicated in the pathogenesis of autoimmune diseases, such as IgA nephropathy (IgAN) and IgA vasculitis with nephritis (IgAVN). Furthermore, detailed characterization of IgA glycosylation, including its diverse range of heterogeneity, is of emerging interest. We provide an overview of the glycosylation observed for each subclass and molecular form of IgA as well as the range of heterogeneity for each site of glycosylation. In many ways, the role of IgA glycosylation is in its early stages of being elucidated. This chapter provides an overview of the current knowledge and research directions.
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Affiliation(s)
- Alyssa L Hansen
- Department of Biochemistry and Molecular Genetics, University of Alabama at Birmingham, Birmingham, AL, USA
| | - Colin Reily
- Departments of Medicine and Microbiology, University of Alabama at Birmingham, Birmingham, AL, USA
| | - Jan Novak
- Department of Microbiology, University of Alabama at Birmingham, Birmingham, AL, USA.
| | - Matthew B Renfrow
- Department of Biochemistry and Molecular Genetics, University of Alabama at Birmingham, Birmingham, AL, USA.
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11
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Fischinger S, Dolatshahi S, Jennewein MF, Rerks-Ngarm S, Pitisuttithum P, Nitayaphan S, Michael N, Vasan S, Ackerman ME, Streeck H, Alter G. IgG3 collaborates with IgG1 and IgA to recruit effector function in RV144 vaccinees. JCI Insight 2020; 5:140925. [PMID: 33031099 PMCID: PMC7710302 DOI: 10.1172/jci.insight.140925] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2020] [Accepted: 09/30/2020] [Indexed: 01/08/2023] Open
Abstract
While the RV144 HIV vaccine trial led to moderately reduced risk of HIV acquisition, emerging data from the HVTN702 trial point to the critical need to reexamine RV144-based correlates of reduced risk of protection. While in RV144, the induction of V2-binding, non-IgA, IgG3 antibody responses with nonneutralizing functions were linked to reduced risk of infection, the interactions between these signatures remain unclear. Thus, here we comprehensively profile the humoral immune response in 300 RV144 vaccinees to decipher the relationships between humoral biomarkers of protection. We found that vaccine-specific IgG1, IgG3, and IgA were highly correlated. However, ratios of IgG1:IgG3:IgA provided insights into subclass/isotype polyclonal functional regulation. For instance, in the absence of high IgG1 levels, IgG3 antibodies exhibited limited functional activity, pointing to IgG3 as a critical contributor, but not sole driver, of effective antiviral humoral immunity. Higher IgA levels were linked to enhanced antibody effector function, including neutrophil phagocytosis (ADNP), complement deposition (ADCD), and antibody-dependent NK degranulation (CD107a), some of which were increased in infected vaccinees in a case/control data set, suggesting that IgA-driven functions compromised immunity. These data highlight the interplay between IgG1, IgG3, and IgA, pointing to the need to profile the relationships between subclass/isotype selection. The induction of V2-binding, non-IgA, IgG3 antibody responses with non-neutralizing functions were linked to reduced risk of infection in RV144 vaccinees.
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Affiliation(s)
- Stephanie Fischinger
- Ragon Institute of MGH, MIT and Harvard, Cambridge, Massachusetts, USA.,PhD Program of Virology and Immunology, University of Duisburg-Essen, Essen, Germany
| | | | | | | | | | | | | | - Sandhya Vasan
- U.S. Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring, Maryland, USA.,Henry M. Jackson Foundation for the Advancement of Military Medicine, Bethesda, Maryland, USA
| | - Margaret E Ackerman
- Thayer School of Engineering, Dartmouth College, Hanover, New Hampshire, USA
| | - Hendrik Streeck
- Institute of Virology, Universitätsklinikum Bonn, Bonn, Germany
| | - Galit Alter
- Ragon Institute of MGH, MIT and Harvard, Cambridge, Massachusetts, USA
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12
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Gayet R, Michaud E, Nicoli F, Chanut B, Paul M, Rochereau N, Guillon C, He Z, Papagno L, Bioley G, Corthesy B, Paul S. Impact of IgA isoforms on their ability to activate dendritic cells and to prime T cells. Eur J Immunol 2020; 50:1295-1306. [PMID: 32277709 DOI: 10.1002/eji.201948177] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2019] [Revised: 02/20/2020] [Accepted: 04/07/2020] [Indexed: 12/23/2022]
Abstract
Human IgA could be from different isotypes (IgA1/IgA2) and/or isoforms (monomeric, dimeric, or secretory). Monomeric IgA mainly IgA1 are considered as an anti-inflammatory isotype whereas dimeric/secretory IgA have clearly dual pro- and anti-inflammatory effects. Here, we show that IgA isotypes and isoforms display different binding abilities to FcαRI, Dectin-1, DC-SIGN, and CD71 on monocyte-derived dendritic cells (moDC). We describe that IgA regulate the expression of their own receptors and trigger modulation of moDC maturation. We also demonstrate that dimeric IgA2 and IgA1 induce different inflammatory responses leading to cytotoxic CD8+ T cells activation. moDC stimulation by dimeric IgA2 was followed by a strong pro-inflammatory effect. Our study highlights differences regarding IgA isotypes and isoforms in the context of DC conditioning. Further investigations are needed on the activation of adaptive immunity by IgA in the context of microbiota/IgA complexes during antibody-mediated immune selection.
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Affiliation(s)
- Rémi Gayet
- GIMAP/EA3064, Université de Lyon, Saint-Etienne, France
| | - Eva Michaud
- GIMAP/EA3064, Université de Lyon, Saint-Etienne, France
| | - Francesco Nicoli
- Centre d'Immunologie et des Maladies Infectieuses (CIMI-Paris), Sorbonne Universités, Paris, France
| | | | - Mireille Paul
- SAINBIOSE, INSERM U1059, University of Lyon, Saint-Etienne, France
| | | | - Christophe Guillon
- Retroviruses and Structural Biochemistry, Institut de Biologie et Chimie des Protéines, University of Lyon, CNRS, UMR5086, Lyon, France
| | - Zhiguo He
- BiiGC/EA2521, Université de Lyon, Saint-Etienne, France
| | - Laura Papagno
- Centre d'Immunologie et des Maladies Infectieuses (CIMI-Paris), Sorbonne Universités, Paris, France
| | - Gilles Bioley
- BiiGC/EA2521, Université de Lyon, Saint-Etienne, France
| | - Blaise Corthesy
- R&D Laboratory of the Division of Immunology and Allergy, CHUV, Centre des Laboratoires d'Epalinges, Epalinges, Switzerland
| | - Stéphane Paul
- GIMAP/EA3064, Université de Lyon, Saint-Etienne, France
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13
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de Sousa-Pereira P, Woof JM. IgA: Structure, Function, and Developability. Antibodies (Basel) 2019; 8:antib8040057. [PMID: 31817406 PMCID: PMC6963396 DOI: 10.3390/antib8040057] [Citation(s) in RCA: 111] [Impact Index Per Article: 22.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2019] [Revised: 11/24/2019] [Accepted: 11/28/2019] [Indexed: 02/07/2023] Open
Abstract
Immunoglobulin A (IgA) plays a key role in defending mucosal surfaces against attack by infectious microorganisms. Such sites present a major site of susceptibility due to their vast surface area and their constant exposure to ingested and inhaled material. The importance of IgA to effective immune defence is signalled by the fact that more IgA is produced than all the other immunoglobulin classes combined. Indeed, IgA is not just the most prevalent antibody class at mucosal sites, but is also present at significant concentrations in serum. The unique structural features of the IgA heavy chain allow IgA to polymerise, resulting in mainly dimeric forms, along with some higher polymers, in secretions. Both serum IgA, which is principally monomeric, and secretory forms of IgA are capable of neutralising and removing pathogens through a range of mechanisms, including triggering the IgA Fc receptor known as FcαRI or CD89 on phagocytes. The effectiveness of these elimination processes is highlighted by the fact that various pathogens have evolved mechanisms to thwart such IgA-mediated clearance. As the structure–function relationships governing the varied capabilities of this immunoglobulin class come into increasingly clear focus, and means to circumvent any inherent limitations are developed, IgA-based monoclonal antibodies are set to emerge as new and potent options in the therapeutic arena.
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Affiliation(s)
- Patrícia de Sousa-Pereira
- School of Life Sciences, University of Dundee, Dundee DD1 5EH, UK
- CIBIO-InBIO, Campus Agrário de Vairão, University of Porto, 4485-661 Vairão, Portugal
| | - Jenny M. Woof
- School of Life Sciences, University of Dundee, Dundee DD1 5EH, UK
- Correspondence: ; Tel.: +44-1382-383389
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14
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Ben Mkaddem S, Benhamou M, Monteiro RC. Understanding Fc Receptor Involvement in Inflammatory Diseases: From Mechanisms to New Therapeutic Tools. Front Immunol 2019; 10:811. [PMID: 31057544 PMCID: PMC6481281 DOI: 10.3389/fimmu.2019.00811] [Citation(s) in RCA: 167] [Impact Index Per Article: 33.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2018] [Accepted: 03/27/2019] [Indexed: 12/21/2022] Open
Abstract
Fc receptors (FcRs) belong to the ITAM-associated receptor family. FcRs control the humoral and innate immunity which are essential for appropriate responses to infections and prevention of chronic inflammation or auto-immune diseases. Following their crosslinking by immune complexes, FcRs play various roles such as modulation of the immune response by released cytokines or of phagocytosis. Here, we review FcR involvement in pathologies leading notably to altered intracellular signaling with functionally relevant consequences to the host, and targeting of Fc receptors as therapeutic approaches. Special emphasis will be given to some FcRs, such as the FcαRI, the FcγRIIA and the FcγRIIIA, which behave like the ancient god Janus depending on the ITAM motif to inhibit or activate immune responses depending on their targeting by monomeric/dimeric immunoglobulins or by immune complexes. This ITAM duality has been recently defined as inhibitory or activating ITAM (ITAMi or ITAMa) which are controlled by Src family kinases. Involvement of various ITAM-bearing FcRs observed during infectious or autoimmune diseases is associated with allelic variants, changes in ligand binding ability responsible for host defense perturbation. During auto-immune diseases such as rheumatoid arthritis, lupus or immune thrombocytopenia, the autoantibodies and immune complexes lead to inflammation through FcR aggregation. We will discuss the role of FcRs in autoimmune diseases, and focus on novel approaches to target FcRs for resolution of antibody-mediated autoimmunity. We will finally also discuss the down-regulation of FcR functionality as a therapeutic approach for autoimmune diseases.
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Affiliation(s)
- Sanae Ben Mkaddem
- INSERM U1149, Centre de Recherche sur l'Inflammation, Paris, France.,CNRS ERL8252, Paris, France.,Faculté de Médecine, Université Paris Diderot, Sorbonne Paris Cité, Site Xavier Bichat, Paris, France.,Inflamex Laboratory of Excellence, Paris, France
| | - Marc Benhamou
- INSERM U1149, Centre de Recherche sur l'Inflammation, Paris, France.,CNRS ERL8252, Paris, France.,Faculté de Médecine, Université Paris Diderot, Sorbonne Paris Cité, Site Xavier Bichat, Paris, France.,Inflamex Laboratory of Excellence, Paris, France
| | - Renato C Monteiro
- INSERM U1149, Centre de Recherche sur l'Inflammation, Paris, France.,CNRS ERL8252, Paris, France.,Faculté de Médecine, Université Paris Diderot, Sorbonne Paris Cité, Site Xavier Bichat, Paris, France.,Inflamex Laboratory of Excellence, Paris, France.,Service d'Immunologie, DHU Fire, Hôpital Bichat-Claude Bernard, Assistance Publique de Paris, Paris, France
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15
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Breedveld A, van Egmond M. IgA and FcαRI: Pathological Roles and Therapeutic Opportunities. Front Immunol 2019; 10:553. [PMID: 30984170 PMCID: PMC6448004 DOI: 10.3389/fimmu.2019.00553] [Citation(s) in RCA: 140] [Impact Index Per Article: 28.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2018] [Accepted: 03/01/2019] [Indexed: 12/12/2022] Open
Abstract
Immunoglobulin A (IgA) is the most abundant antibody class present at mucosal surfaces. The production of IgA exceeds the production of all other antibodies combined, supporting its prominent role in host-pathogen defense. IgA closely interacts with the intestinal microbiota to enhance its diversity, and IgA has a passive protective role via immune exclusion. Additionally, inhibitory ITAMi signaling via the IgA Fc receptor (FcαRI; CD89) by monomeric IgA may play a role in maintaining homeostatic conditions. By contrast, IgA immune complexes (e.g., opsonized pathogens) potently activate immune cells via cross-linking FcαRI, thereby inducing pro-inflammatory responses resulting in elimination of pathogens. The importance of IgA in removal of pathogens is emphasized by the fact that several pathogens developed mechanisms to break down IgA or evade FcαRI-mediated activation of immune cells. Augmented or aberrant presence of IgA immune complexes can result in excessive neutrophil activation, potentially leading to severe tissue damage in multiple inflammatory, or autoimmune diseases. Influencing IgA or FcαRI-mediated functions therefore provides several therapeutic possibilities. On the one hand (passive) IgA vaccination strategies can be developed for protection against infections. Furthermore, IgA monoclonal antibodies that are directed against tumor antigens may be effective as cancer treatment. On the other hand, induction of ITAMi signaling via FcαRI may reduce allergy or inflammation, whereas blocking FcαRI with monoclonal antibodies, or peptides may resolve IgA-induced tissue damage. In this review both (patho)physiological roles as well as therapeutic possibilities of the IgA-FcαRI axis are addressed.
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Affiliation(s)
- Annelot Breedveld
- Department of Molecular Cell Biology and Immunology, Amsterdam UMC, Amsterdam, Netherlands
- Amsterdam Infection and Immunity Institute, Amsterdam UMC, Amsterdam, Netherlands
| | - Marjolein van Egmond
- Department of Molecular Cell Biology and Immunology, Amsterdam UMC, Amsterdam, Netherlands
- Amsterdam Infection and Immunity Institute, Amsterdam UMC, Amsterdam, Netherlands
- Department of Surgery, Amsterdam UMC, Amsterdam, Netherlands
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