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Pacyga-Prus K, Jakubczyk D, Sandström C, Šrůtková D, Pyclik MJ, Leszczyńska K, Ciekot J, Razim A, Schwarzer M, Górska S. Polysaccharide BAP1 of Bifidobacterium adolescentis CCDM 368 is a biologically active molecule with immunomodulatory properties. Carbohydr Polym 2023; 315:120980. [PMID: 37230638 DOI: 10.1016/j.carbpol.2023.120980] [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: 03/02/2023] [Revised: 04/14/2023] [Accepted: 05/01/2023] [Indexed: 05/27/2023]
Abstract
Bifidobacteria are among the most common bacteria used for their probiotic properties and their impact on the maturation and function of the immune system has been well-described. Recently, scientific interest is shifting from live bacteria to defined bacteria-derived biologically active molecules. Their greatest advantage over probiotics is the defined structure and the effect independent of the viability status of the bacteria. Here, we aim to characterize Bifidobacterium adolescentis CCDM 368 surface antigens that include polysaccharides (PSs), lipoteichoic acids (LTAs), and peptidoglycan (PG). Among them, Bad368.1 PS was observed to modulate OVA-induced cytokine production in cells isolated from OVA-sensitized mice by increasing the production of Th1-related IFN-γ and inhibition of Th2-related IL-5 and IL-13 cytokines (in vitro). Moreover, Bad368.1 PS (BAP1) is efficiently engulfed and transferred between epithelial and dendritic cells. Therefore, we propose that the Bad368.1 PS (BAP1) can be used for the modulation of allergic diseases in humans. Structural studies revealed that Bad368.1 PS has an average molecular mass of approximately 9,99 × 106 Da and it consists of glucose, galactose, and rhamnose residues that are creating the following repeating unit: →2)-β-D-Glcp-1→3-β-L-Rhap-1→4-β-D-Glcp-1→3-α-L-Rhap-1→4-β-D-Glcp-1→3-α-D-Galp-(1→n.
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Affiliation(s)
- Katarzyna Pacyga-Prus
- Laboratory of Microbiome Immunobiology, Hirszfeld Institute of Immunology and Experimental Therapy, Polish Academy of Sciences, 53-114 Wroclaw, Poland.
| | - Dominika Jakubczyk
- Laboratory of Microbiome Immunobiology, Hirszfeld Institute of Immunology and Experimental Therapy, Polish Academy of Sciences, 53-114 Wroclaw, Poland.
| | - Corine Sandström
- Department of Molecular Sciences, Swedish University of Agricultural Sciences, Box 7015, SE-750 07 Uppsala, Sweden.
| | - Dagmar Šrůtková
- Laboratory of Gnotobiology, Institute of Microbiology, Czech Academy of Sciences, 549 22 Novy Hradek, Czech Republic.
| | - Marcelina Joanna Pyclik
- Laboratory of Microbiome Immunobiology, Hirszfeld Institute of Immunology and Experimental Therapy, Polish Academy of Sciences, 53-114 Wroclaw, Poland.
| | - Katarzyna Leszczyńska
- Laboratory of Microbiome Immunobiology, Hirszfeld Institute of Immunology and Experimental Therapy, Polish Academy of Sciences, 53-114 Wroclaw, Poland.
| | - Jarosław Ciekot
- Laboratory of Biomedical Chemistry, Hirszfeld Institute of Immunology and Experimental Therapy, Polish Academy of Sciences, 53-114 Wroclaw, Poland.
| | - Agnieszka Razim
- Laboratory of Microbiome Immunobiology, Hirszfeld Institute of Immunology and Experimental Therapy, Polish Academy of Sciences, 53-114 Wroclaw, Poland.
| | - Martin Schwarzer
- Laboratory of Gnotobiology, Institute of Microbiology, Czech Academy of Sciences, 549 22 Novy Hradek, Czech Republic.
| | - Sabina Górska
- Laboratory of Microbiome Immunobiology, Hirszfeld Institute of Immunology and Experimental Therapy, Polish Academy of Sciences, 53-114 Wroclaw, Poland.
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Gonciarz W, Chmiela M, Kost B, Piątczak E, Brzeziński M. Stereocomplexed microparticles loaded with Salvia cadmica Boiss. extracts for enhancement of immune response towards Helicobacter pylori. Sci Rep 2023; 13:7039. [PMID: 37120681 PMCID: PMC10148839 DOI: 10.1038/s41598-023-34321-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2023] [Accepted: 04/27/2023] [Indexed: 05/01/2023] Open
Abstract
Controlled delivery of therapeutic substance gives numerous advantages (prevents degradation, improves uptake, sustains concentration, lowers side effects). To encapsulate Salvia cadmica extracts (root or aerial part), enriched with polyphenols with immunomodulatory activity, in stereocomplexed microparticles (sc-PLA), for using them to enhance the immune response towards gastric pathogen Helicobacter pylori. Microparticles were made of biodegradable poly(lactic acid) (PLA) and poly(D-lactic acid) (PDLA). Their stereocomplexation was used to form microspheres and enhance the stability of the obtained particles in acidic/basic pH. The release of Salvia cadmica extracts was done in different pH (5.5, 7.4 and 8.0). The obtained polymers are safe in vitro and in vivo (guinea pig model). The sc-PLA microparticles release of S. cadmica extracts in pH 5.5, 7.4, and 8.0. S. cadmica extracts enhanced the phagocytic activity of guinea pig bone marrow-derived macrophages, which was diminished by H. pylori, and neutralized H. pylori driven enhanced production of tumor necrosis factor (TNF)-α and interleukin (IL)-10. The sc-PLA encapsulated S. cadmica extracts can be recommended for further in vivo study in guinea pigs infected with H. pylori to confirm their ability to improve an immune response towards this pathogen.
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Affiliation(s)
- Weronika Gonciarz
- Department of Immunology and Infectious Biology, Faculty of Biology and Environmental Protection, Institute of Microbiology, Biotechnology and Immunology, University of Lodz, Banacha 12/16, 90-237, Lodz, Poland.
| | - Magdalena Chmiela
- Department of Immunology and Infectious Biology, Faculty of Biology and Environmental Protection, Institute of Microbiology, Biotechnology and Immunology, University of Lodz, Banacha 12/16, 90-237, Lodz, Poland
| | - Bartłomiej Kost
- Centre of Molecular and Macromolecular Studies, Polish Academy of Sciences, Sienkiewicza 112, 90-636, Lodz, Poland
| | - Ewelina Piątczak
- Department of Pharmaceutical Biotechnology, Medical University of Lodz, Muszyńskiego 1, 90-151, Lodz, Poland
| | - Marek Brzeziński
- Centre of Molecular and Macromolecular Studies, Polish Academy of Sciences, Sienkiewicza 112, 90-636, Lodz, Poland.
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Goretzki A, Lin YJ, Meier C, Dorn B, Wolfheimer S, Jamin A, Schott M, Wangorsch A, Vieths S, Jakob T, Scheurer S, Schülke S. Stimulation of naïve B cells with a fusion protein consisting of FlaA and Bet v 1 induces regulatory B cells ex vivo. Allergy 2023; 78:663-681. [PMID: 36196479 DOI: 10.1111/all.15542] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2022] [Revised: 08/30/2022] [Accepted: 09/18/2022] [Indexed: 11/28/2022]
Abstract
BACKGROUND The experimental fusion protein rFlaA:Betv1 was shown to efficiently suppress allergen-specific sensitization in mice. However, the detailed mechanism of rFlaA:Betv1-mediated immune modulation is not fully understood. In this study, we investigated the effect of rFlaA:Betv1 on naïve murine B cells. METHODS Immune modulating capacity of rFlaA:Betv1 was screened in IL-10 reporter mice. B cells were isolated from spleens of naïve C57Bl/6, TLR5-/- , or MyD88-/- mice, stimulated with rFlaA:Betv1 and controls, and monitored for the expression of the regulatory B cell markers CD1d, CD24, CD38, and surface IgM by flow cytometry. Secreted cytokines, antibodies, and reactivity of the induced antibodies were investigated by ELISA and intracellular flow cytometry. Suppressive capacity of rFlaA:Betv1-stimulated B cells was tested in mDC:CD4+ T cell:B cell triple cultures. RESULTS Upon in vivo application of rFlaA:Betv1 into IL-10-GFP reporter mice, CD19+ B cells were shown to produce anti-inflammatory IL-10, suggesting B cells to contribute to the immune-modulatory properties of rFlaA:Betv1. rFlaA:Betv1-induced IL-10 secretion was confirmed in human B cells isolated from buffy coats. In vitro stimulation of naïve murine B cells with rFlaA:Betv1 resulted in an mTOR- and MyD88-dependent production of IL-10 and rFlaA:Betv1 induced Bet v 1-reactive IgG production, which was not observed for IgA. rFlaA:Betv1-stimulated B cells formed a CD19+ CD24+ CD1d+ IgM+ CD38+ Breg subpopulation capable of suppressing Bet v 1-induced TH2 cytokine secretion in vitro. CONCLUSION rFlaA:Betv1 can act as a thymus-independent B cell antigen, stimulating the mTOR- and MyD88-dependent differentiation of B cells displaying a regulatory phenotype, IL-10 secretion, antigen-binding antibody production, and a suppressive capacity in vitro.
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Affiliation(s)
| | - Yen-Ju Lin
- Molecular Allergology, Paul-Ehrlich-Institut, Langen, Germany
| | - Clara Meier
- Molecular Allergology, Paul-Ehrlich-Institut, Langen, Germany
| | - Britta Dorn
- Department of Dermatology and Allergology, University Medical Center, Justus Liebig University, Gießen, Germany
| | | | - Annette Jamin
- Molecular Allergology, Paul-Ehrlich-Institut, Langen, Germany
| | - Maike Schott
- Molecular Allergology, Paul-Ehrlich-Institut, Langen, Germany
| | | | - Stefan Vieths
- Molecular Allergology, Paul-Ehrlich-Institut, Langen, Germany
| | - Thilo Jakob
- Department of Dermatology and Allergology, University Medical Center, Justus Liebig University, Gießen, Germany
| | | | - Stefan Schülke
- Molecular Allergology, Paul-Ehrlich-Institut, Langen, Germany
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Origuchi T, Uchida T, Sakaguchi T, Matsuo H, Michitsuji T, Umeda M, Shimizu T, Koga T, Kawashiri SY, Iwamoto N, Ichinose K, Tamai M, Ichinose M, Ando K, Horie I, Nakao N, Irie J, Kawakami A. Immunoglobulin G4-related disease with Marked Eosinophilia: A Case Report and Literature Review. Intern Med 2022. [PMID: 36351576 DOI: 10.2169/internalmedicine.0453-22] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
We encountered a 78-year-old Japanese man with IgG4-related sialoadenitis complicated with marked eosinophilia. We diagnosed him with IgG4-RD (related disease) with a submandibular gland tumor, serum IgG4 elevation, IgG4-positive plasma cell infiltration, and storiform fibrosis. During follow-up after total incision of the submandibular gland, the peripheral eosinophil count was markedly elevated to 29,480/μL. The differential diagnosis of severe eosinophilia without IgG4-RD was excluded. The patient exhibited a prompt response to corticosteroid therapy. His peripheral blood eosinophil count was the highest ever reported among similar cases. We also review previous cases of IgG4-RD with severe eosinophilia.
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Affiliation(s)
- Tomoki Origuchi
- Department of Immunology and Rheumatology, Unit of Advanced Preventive Medical Sciences, Nagasaki University Graduate School of Biomedical Sciences, Japan
- Department of Physical Therapy, Nagasaki University Graduate School of Biomedical Sciences, Japan
| | - Tomohisa Uchida
- Department of Immunology and Rheumatology, Unit of Advanced Preventive Medical Sciences, Nagasaki University Graduate School of Biomedical Sciences, Japan
| | - Tatsuki Sakaguchi
- Department of Immunology and Rheumatology, Unit of Advanced Preventive Medical Sciences, Nagasaki University Graduate School of Biomedical Sciences, Japan
| | - Haruna Matsuo
- Department of Immunology and Rheumatology, Unit of Advanced Preventive Medical Sciences, Nagasaki University Graduate School of Biomedical Sciences, Japan
| | - Toru Michitsuji
- Department of Immunology and Rheumatology, Unit of Advanced Preventive Medical Sciences, Nagasaki University Graduate School of Biomedical Sciences, Japan
| | - Masataka Umeda
- Department of Immunology and Rheumatology, Unit of Advanced Preventive Medical Sciences, Nagasaki University Graduate School of Biomedical Sciences, Japan
| | - Toshimasa Shimizu
- Department of Immunology and Rheumatology, Unit of Advanced Preventive Medical Sciences, Nagasaki University Graduate School of Biomedical Sciences, Japan
| | - Tomohiro Koga
- Department of Immunology and Rheumatology, Unit of Advanced Preventive Medical Sciences, Nagasaki University Graduate School of Biomedical Sciences, Japan
| | - Shin-Ya Kawashiri
- Department of Immunology and Rheumatology, Unit of Advanced Preventive Medical Sciences, Nagasaki University Graduate School of Biomedical Sciences, Japan
| | - Naoki Iwamoto
- Department of Immunology and Rheumatology, Unit of Advanced Preventive Medical Sciences, Nagasaki University Graduate School of Biomedical Sciences, Japan
| | - Kunihiro Ichinose
- Department of Immunology and Rheumatology, Unit of Advanced Preventive Medical Sciences, Nagasaki University Graduate School of Biomedical Sciences, Japan
| | - Mami Tamai
- Department of Immunology and Rheumatology, Unit of Advanced Preventive Medical Sciences, Nagasaki University Graduate School of Biomedical Sciences, Japan
| | - Masahiro Ichinose
- Department of Hematology, Atomic Bomb Disease and Hibakusha Medicine Unit, Atomic Bomb Disease Institute, Nagasaki University, Japan
| | - Koji Ando
- Department of Hematology, Atomic Bomb Disease and Hibakusha Medicine Unit, Atomic Bomb Disease Institute, Nagasaki University, Japan
| | - Ichiro Horie
- Department of Endocrinology and Metabolism, Unit of Advanced Preventive Medical Sciences, Nagasaki University Graduate School of Biomedical Sciences, Japan
| | - Nobuhiro Nakao
- Department of Otolaryngology, Nagasaki Harbor Medical Center, Japan
| | - Junji Irie
- Department of Pathology, Nagasaki Harbor Medical Center, Japan
| | - Atsushi Kawakami
- Department of Immunology and Rheumatology, Unit of Advanced Preventive Medical Sciences, Nagasaki University Graduate School of Biomedical Sciences, Japan
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Nista EC, De Lucia SS, Manilla V, Schepis T, Pellegrino A, Ojetti V, Pignataro G, Zileri dal Verme L, Franceschi F, Gasbarrini A, Candelli M. Autoimmune Pancreatitis: From Pathogenesis to Treatment. Int J Mol Sci 2022; 23:ijms232012667. [PMID: 36293522 PMCID: PMC9604056 DOI: 10.3390/ijms232012667] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2022] [Revised: 10/14/2022] [Accepted: 10/18/2022] [Indexed: 11/05/2022] Open
Abstract
Autoimmune pancreatitis (AIP) is a rare disease. The diagnosis of AIP is difficult and should be made by a comprehensive evaluation of clinical, radiological, serological, and pathological findings. Two different types of AIP have been identified: autoimmune pancreatitis type 1 (AIP-1), which is considered a pancreatic manifestation of multiorgan disease related to IgG4, and autoimmune pancreatitis type 2 (AIP-2), which is considered a pancreas-specific disease not related to IgG4. Although the pathophysiological conditions seem to differ between type 1 and type 2 pancreatitis, both respond well to steroid medications. In this review, we focused on the pathogenesis of the disease to develop a tool that could facilitate diagnosis and lead to the discovery of new therapeutic strategies to combat autoimmune pancreatitis and its relapses. The standard therapy for AIP is oral administration of corticosteroids. Rituximab (RTX) has also been proposed for induction of remission and maintenance therapy in relapsing AIP-1. In selected patients, immunomodulators such as azathioprine are used to maintain remission. The strength of this review, compared with previous studies, is that it focuses on the clear difference between the two types of autoimmune pancreatitis with a clearly delineated and separate pathogenesis. In addition, the review also considers various therapeutic options, including biologic drugs, such as anti-tumor necrosis factor (TNF) therapy, a well-tolerated and effective second-line therapy for AIP type 2 relapses or steroid dependence. Other biologic therapies are also being explored that could provide a useful therapeutic alternative to corticosteroids and immunosuppressants, which are poorly tolerated due to significant side effects.
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Affiliation(s)
- Enrico Celestino Nista
- Department of Medical and Surgical Sciences, Università Cattolica Sacro Cuore, Fondazione Policlinico Universitario A. Gemelli IRCCS, 00168 Rome, Italy
| | - Sara Sofia De Lucia
- Department of Medical and Surgical Sciences, Università Cattolica Sacro Cuore, Fondazione Policlinico Universitario A. Gemelli IRCCS, 00168 Rome, Italy
| | - Vittoria Manilla
- Department of Medical and Surgical Sciences, Università Cattolica Sacro Cuore, Fondazione Policlinico Universitario A. Gemelli IRCCS, 00168 Rome, Italy
| | - Tommaso Schepis
- Department of Medical and Surgical Sciences, Università Cattolica Sacro Cuore, Fondazione Policlinico Universitario A. Gemelli IRCCS, 00168 Rome, Italy
| | - Antonio Pellegrino
- Department of Medical and Surgical Sciences, Università Cattolica Sacro Cuore, Fondazione Policlinico Universitario A. Gemelli IRCCS, 00168 Rome, Italy
| | - Veronica Ojetti
- Department of Emergency, Anesthesiological, and Reanimation Sciences, Università Cattolica Sacro Cuore, Fondazione Policlinico Universitario A. Gemelli IRCCS, 00168 Rome, Italy
| | - Giulia Pignataro
- Department of Emergency, Anesthesiological, and Reanimation Sciences, Università Cattolica Sacro Cuore, Fondazione Policlinico Universitario A. Gemelli IRCCS, 00168 Rome, Italy
| | - Lorenzo Zileri dal Verme
- Department of Medical and Surgical Sciences, Università Cattolica Sacro Cuore, Fondazione Policlinico Universitario A. Gemelli IRCCS, 00168 Rome, Italy
| | - Francesco Franceschi
- Department of Emergency, Anesthesiological, and Reanimation Sciences, Università Cattolica Sacro Cuore, Fondazione Policlinico Universitario A. Gemelli IRCCS, 00168 Rome, Italy
| | - Antonio Gasbarrini
- Department of Medical and Surgical Sciences, Università Cattolica Sacro Cuore, Fondazione Policlinico Universitario A. Gemelli IRCCS, 00168 Rome, Italy
| | - Marcello Candelli
- Department of Emergency, Anesthesiological, and Reanimation Sciences, Università Cattolica Sacro Cuore, Fondazione Policlinico Universitario A. Gemelli IRCCS, 00168 Rome, Italy
- Correspondence:
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Wang Y, Wang H. The emerging role of histone deacetylase 1 in allergic diseases. Front Immunol 2022; 13:1027403. [PMID: 36311721 PMCID: PMC9597694 DOI: 10.3389/fimmu.2022.1027403] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2022] [Accepted: 09/27/2022] [Indexed: 11/13/2022] Open
Abstract
Histone deacetylase 1 (HDAC1) is a unique member of the classes I HDACs and helps to regulate acute and chronic adaptation to environmental stimuli such as allergen, stress. Allergic diseases are complex diseases resulting from the effect of multiple genetic and interacting foreign substances. Epigenetics play an important role in both pathological and immunomodulatory conditions of allergic diseases. To be consistent with this role, recent evidence strongly suggests that histone deacetylase 1 (HDAC1) plays a critical role in allergic response. HDAC1 expression is stimulated by allergen and attributes to increase T helper 2 (Th2) cytokine levels, decrease Th1/Th17 cells and anti-inflammatory cytokine Interleukin-10 (IL-10), and TWIK-related potassium channel-1 (Trek-1) expression. This review focuses on the contribution of HDAC1 and the regulatory role in characterizing allergic endotypes with common molecular pathways and understanding allergic multimorbidity relationships, as well as addressing their potential as therapeutic targets for these conditions.
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The Allergic Phenotype of Children and Adolescents with Selective IgA Deficiency: A Longitudinal Monocentric Study. J Clin Med 2022; 11:jcm11195705. [PMID: 36233573 PMCID: PMC9573591 DOI: 10.3390/jcm11195705] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2022] [Revised: 09/17/2022] [Accepted: 09/22/2022] [Indexed: 11/16/2022] Open
Abstract
Background: Selective IgA deficiency (SIgAD) is the most common inborn error of immunity. The exact prevalence and pathogenesis of allergy in SIgAD have not yet been defined. We aimed to describe the prevalence and the characteristics of allergy in pediatric SIgAD subjects, evaluate the association between allergy and other comorbidities, and define the immune phenotype of allergic and non-allergic patients. Methods: Clinical and immunological data from 67 SIgAD patients were collected over a 13-year period at a single center. Patients’ characteristics were analyzed according to the presence of allergy. Results: Allergy was diagnosed in 34% of SIgAD patients, with a median age at allergy diagnosis of 8 years. Allergy was the second-most-common clinical manifestation, following recurrent respiratory infections. Among the allergic group, 74% had rhinitis, 30% asthma, 30% atopic dermatitis, and 22% food allergy; one out of three had more than one allergic manifestation. SIgAD patients showed more frequent transitory lymphopenia and a lower count of CD19+ at diagnosis than at last FU. However, compared to non-allergic subjects, allergic patients did not differ in their immune phenotype, number and severity of infections, or increased autoimmunity. Conclusions: In our longitudinal study, compared to non-allergic SIgAD patients, those with allergies did not present a more severe immune defect or complex clinical phenotype. However, evaluation and early identification of allergy in the context of SIgAD assessment, both at diagnosis and during FU, and definition of a proper management are important to prevent complications and improve the patient’s quality of life.
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Amor DALM, Santos LN, Silva ES, de Santana MBR, Belitardo EMMDA, Sena FDA, Pontes-de-Carvalho L, Figueiredo CA, Alcântara-Neves NM. Toxocara canis extract fractions promote mainly the production of Th1 and regulatory cytokines by human leukocytes in vitro. Acta Trop 2022; 234:106579. [PMID: 35843307 DOI: 10.1016/j.actatropica.2022.106579] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2021] [Revised: 05/16/2022] [Accepted: 06/28/2022] [Indexed: 01/15/2023]
Abstract
Helminths possibly down-modulate immune responses to airborne allergens through the induction of a regulatory network. The identification of helminths bioactive molecules is highly desirable, given their immunomodulatory potential which could be used in immunotherapies for allergy and autoimmune diseases. To investigate the immunoregulatory potential of the adult Toxocara canis crude extract and ten protein fractions of its extract, human peripheral blood mononuclear cells (PBMC) from 10 allergic and 9 non-allergic individuals were cultivated, in vitro, in the presence or absence of these antigens, and their supernatants were evaluated for cytokine production (TGF-β, IL-10, IL-12, TNF-α, IL-6, IL-5, IL13, and IL-17). To determine the cell viability, the PBMC were cultivated for 24 h in the presence of the antigens and, following, they were subjected to a cytotoxicity assay. The viability of the PBMC was not affected by incubation with the T. canis antigens. As some fractions stimulated the production of immunoregulatory (TGF-β and/or IL-10), IL-12 and Th1 (TNF-α) cytokines, without stimulating Th2 cytokines (IL-5 and IL13) and IL-17, it was proposed that they would be potential candidates for further studies, especially involving the purification and characterization of specific proteins, which could be tested separately to evaluate their specific role as adjuvants in immunotherapy for inflammatory diseases.
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Affiliation(s)
- Dra Ana Lúcia Moreno Amor
- Laboratório de Parasitologia, Centro de Ciências da Saúde, Universidade Federal do Recôncavo da Bahia, Avenida Carlos Amaral, 1015 - Cajueiro, Santo Antônio de Jesus, Bahia 44430-622, Brazil.
| | | | - Eduardo Santos Silva
- Instituto de Ciências da Saúde, Universidade Federal da Bahia, Salvador, Bahia, Brazil
| | | | | | - Flávia de Araújo Sena
- Instituto de Ciências da Saúde, Universidade Federal da Bahia, Salvador, Bahia, Brazil
| | | | - Camila A Figueiredo
- Instituto de Ciências da Saúde, Universidade Federal da Bahia, Salvador, Bahia, Brazil
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9
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Tingirikari JMR, Musini A. Bioactive Compounds from Plants and their Immune Potential against
Corona Virus. CURRENT NUTRITION & FOOD SCIENCE 2022. [DOI: 10.2174/1573401318666220308155721] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Background:
Corona virus is a contagious single-strand RNA virus affecting majorly
the lungs causing severe acute respiratory disease. The viral pandemic has affected the world
economy and posed new challenges to the scientific community. Due to high mutation rate, a lot of
variants are occurring and persons who are vaccinated are also getting affected. In addition, vaccination
trials for children aged below 18 are still going on. Moreover, the cost, shelf-life, success
rate, no booster dose required, and the long-term complications associated with the vaccine are yet
to be studied. Preservation and transportation of vaccines are another big challenge.
Objective:
Despite vaccination, the best alternative is to boost our immune system by administration
of bioactive compounds which are safe and effective. Bioactive compounds have been found
to be effective against several viral infections.
Methods:
Literature review has been performed using recently published research and review articles
pertaining to the role of plant-derived bioactive compounds in regulating COVID-19 infection.
Result:
The current review will describe the role and mechanism of bioactive compounds derived
from natural sources in disease management and boosting the immune system against COVID-19.
Conclusion:
In addition to vaccination, the administration of plant-derived bioactive compounds
will help in regulating viral infection and boosting the immune response during COVID-19 infection.
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Affiliation(s)
| | - Anjaneyulu Musini
- Centre for Biotechnology, Institute of Science and Technology, Jawaharlal Nehru Technological University,
Hyderabad, Telanagana-500085, India
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Cinicola BL, Pulvirenti F, Capponi M, Bonetti M, Brindisi G, Gori A, De Castro G, Anania C, Duse M, Zicari AM. Selective IgA Deficiency and Allergy: A Fresh Look to an Old Story. Medicina (B Aires) 2022; 58:medicina58010129. [PMID: 35056437 PMCID: PMC8781177 DOI: 10.3390/medicina58010129] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2021] [Revised: 01/07/2022] [Accepted: 01/10/2022] [Indexed: 01/23/2023] Open
Abstract
Selective IgA deficiency (SIgAD) is the most common human primary immune deficiency (PID). It is classified as a humoral PID characterized by isolated deficiency of IgA (less than 7 mg/dL but normal serum IgG and IgM) in subjects greater than 4 years of age. Intrinsic defects in the maturation of B cells and a perturbation of Th cells and/or cytokine signals have been hypothesized to contribute to SIgAD pathogenesis. The genetic basis of IgA deficiency remains to be clarified. Patients with SIgAD can be either asymptomatic or symptomatic with clinical manifestations including allergy, autoimmunity and recurrent infections mainly of the respiratory and gastrointestinal tract. Studies analyzing allergy on SIgAD patients showed prevalence up to 84%, supporting in most cases the relationship between sIgAD and allergic disease. However, the prevalence of allergic disorders may be influenced by various factors. Thus, the question of whether allergy is more common in SIgAD patients compared to healthy subjects remains to be defined. Different hypotheses support an increased susceptibility to allergy in subjects with SIgAD. Recurrent infections due to loss of secretory IgA might have a role in the pathogenesis of allergy, and vice versa. Perturbation of microbiota also plays a role. The aim of this review is to examine the association between SIgAD and atopic disease and to update readers on advances over time at this important interface between allergy and SIgAD.
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Affiliation(s)
- Bianca Laura Cinicola
- Department of Maternal Infantile and Urological Sciences, Sapienza University of Rome, 00185 Rome, Italy; (M.C.); (M.B.); (G.B.); (A.G.); (G.D.C.); (C.A.); (M.D.); (A.M.Z.)
- Department of Molecular Medicine, Sapienza University of Rome, 00185 Rome, Italy
- Correspondence:
| | - Federica Pulvirenti
- Primary Immune Deficiencies Unit, Department of Internal Medicine and Infectious Diseases, Azienda Ospedaliera Universitaria Policlinico Umberto I, 00185 Rome, Italy;
| | - Martina Capponi
- Department of Maternal Infantile and Urological Sciences, Sapienza University of Rome, 00185 Rome, Italy; (M.C.); (M.B.); (G.B.); (A.G.); (G.D.C.); (C.A.); (M.D.); (A.M.Z.)
| | - Marta Bonetti
- Department of Maternal Infantile and Urological Sciences, Sapienza University of Rome, 00185 Rome, Italy; (M.C.); (M.B.); (G.B.); (A.G.); (G.D.C.); (C.A.); (M.D.); (A.M.Z.)
| | - Giulia Brindisi
- Department of Maternal Infantile and Urological Sciences, Sapienza University of Rome, 00185 Rome, Italy; (M.C.); (M.B.); (G.B.); (A.G.); (G.D.C.); (C.A.); (M.D.); (A.M.Z.)
- Department of Translational and Precision Medicine, Sapienza University of Rome, 00185 Rome, Italy
| | - Alessandra Gori
- Department of Maternal Infantile and Urological Sciences, Sapienza University of Rome, 00185 Rome, Italy; (M.C.); (M.B.); (G.B.); (A.G.); (G.D.C.); (C.A.); (M.D.); (A.M.Z.)
| | - Giovanna De Castro
- Department of Maternal Infantile and Urological Sciences, Sapienza University of Rome, 00185 Rome, Italy; (M.C.); (M.B.); (G.B.); (A.G.); (G.D.C.); (C.A.); (M.D.); (A.M.Z.)
| | - Caterina Anania
- Department of Maternal Infantile and Urological Sciences, Sapienza University of Rome, 00185 Rome, Italy; (M.C.); (M.B.); (G.B.); (A.G.); (G.D.C.); (C.A.); (M.D.); (A.M.Z.)
| | - Marzia Duse
- Department of Maternal Infantile and Urological Sciences, Sapienza University of Rome, 00185 Rome, Italy; (M.C.); (M.B.); (G.B.); (A.G.); (G.D.C.); (C.A.); (M.D.); (A.M.Z.)
| | - Anna Maria Zicari
- Department of Maternal Infantile and Urological Sciences, Sapienza University of Rome, 00185 Rome, Italy; (M.C.); (M.B.); (G.B.); (A.G.); (G.D.C.); (C.A.); (M.D.); (A.M.Z.)
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11
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Morawska I, Kurkowska S, Bębnowska D, Hrynkiewicz R, Becht R, Michalski A, Piwowarska-Bilska H, Birkenfeld B, Załuska-Ogryzek K, Grywalska E, Roliński J, Niedźwiedzka-Rystwej P. The Epidemiology and Clinical Presentations of Atopic Diseases in Selective IgA Deficiency. J Clin Med 2021; 10:3809. [PMID: 34501259 PMCID: PMC8432128 DOI: 10.3390/jcm10173809] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2021] [Revised: 08/22/2021] [Accepted: 08/23/2021] [Indexed: 12/12/2022] Open
Abstract
Selective IgA deficiency (sIgAD) is the most common primary immunodeficiency disease (PID), with an estimated occurrence from about 1:3000 to even 1:150, depending on population. sIgAD is diagnosed in adults and children after the 4th year of age, with immunoglobulin A level below 0.07 g/L and normal levels of IgM and IgG. Usually, the disease remains undiagnosed throughout the patient's life, due to its frequent asymptomatic course. If symptomatic, sIgAD is connected to more frequent viral and bacterial infections of upper respiratory, urinary, and gastrointestinal tracts, as well as autoimmune and allergic diseases. Interestingly, it may also be associated with other PIDs, such as IgG subclasses deficiency or specific antibodies deficiency. Rarely sIgAD can evolve to common variable immunodeficiency disease (CVID). It should also be remembered that IgA deficiency may occur in the course of other conditions or result from their treatment. It is hypothesized that allergic diseases (e.g., eczema, rhinitis, asthma) are more common in patients diagnosed with this particular PID. Selective IgA deficiency, although usually mildly symptomatic, can be difficult for clinicians. The aim of the study is to summarize the connection between selective IgA deficiency and atopic diseases.
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Affiliation(s)
- Izabela Morawska
- Department of Clinical Immunology and Immunotherapy, Medical University of Lublin, Chodźki 4a St., 20-093 Lublin, Poland; (I.M.); (A.M.); (E.G.); (J.R.)
| | - Sara Kurkowska
- Department of Nuclear Medicine, Pomeranian Medical University, Unii Lubelskiej 1 St., 71-252 Szczecin, Poland; (S.K.); (H.P.-B.); (B.B.)
| | - Dominika Bębnowska
- Institute of Biology, University of Szczecin, Felczaka 3c St., 71-412 Szczecin, Poland; (D.B.); (R.H.)
| | - Rafał Hrynkiewicz
- Institute of Biology, University of Szczecin, Felczaka 3c St., 71-412 Szczecin, Poland; (D.B.); (R.H.)
| | - Rafał Becht
- Clinical Department of Oncology, Chemotherapy and Cancer Immunotherapy, Pomeranian Medical University of Szczecin, Unii Lubelskiej 1, 71-252 Szczecin, Poland;
| | - Adam Michalski
- Department of Clinical Immunology and Immunotherapy, Medical University of Lublin, Chodźki 4a St., 20-093 Lublin, Poland; (I.M.); (A.M.); (E.G.); (J.R.)
| | - Hanna Piwowarska-Bilska
- Department of Nuclear Medicine, Pomeranian Medical University, Unii Lubelskiej 1 St., 71-252 Szczecin, Poland; (S.K.); (H.P.-B.); (B.B.)
| | - Bożena Birkenfeld
- Department of Nuclear Medicine, Pomeranian Medical University, Unii Lubelskiej 1 St., 71-252 Szczecin, Poland; (S.K.); (H.P.-B.); (B.B.)
| | - Katarzyna Załuska-Ogryzek
- Department of Pathophysiology, Medical University of Lublin, Jaczewskiego 8b St., 20-090 Lublin, Poland;
| | - Ewelina Grywalska
- Department of Clinical Immunology and Immunotherapy, Medical University of Lublin, Chodźki 4a St., 20-093 Lublin, Poland; (I.M.); (A.M.); (E.G.); (J.R.)
| | - Jacek Roliński
- Department of Clinical Immunology and Immunotherapy, Medical University of Lublin, Chodźki 4a St., 20-093 Lublin, Poland; (I.M.); (A.M.); (E.G.); (J.R.)
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12
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Cancer Related Anemia: An Integrated Multitarget Approach and Lifestyle Interventions. Nutrients 2021; 13:nu13020482. [PMID: 33535496 PMCID: PMC7912724 DOI: 10.3390/nu13020482] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2020] [Revised: 01/26/2021] [Accepted: 01/28/2021] [Indexed: 12/16/2022] Open
Abstract
Cancer is often accompanied by worsening of the patient's iron profile, and the resulting anemia could be a factor that negatively impacts antineoplastic treatment efficacy and patient survival. The first line of therapy is usually based on oral or intravenous iron supplementation; however, many patients remain anemic and do not respond. The key might lie in the pathogenesis of the anemia itself. Cancer-related anemia (CRA) is characterized by a decreased circulating serum iron concentration and transferrin saturation despite ample iron stores, pointing to a more complex problem related to iron homeostatic regulation and additional factors such as chronic inflammatory status. This review explores our current understanding of iron homeostasis in cancer, shedding light on the modulatory role of hepcidin in intestinal iron absorption, iron recycling, mobilization from liver deposits, and inducible regulators by infections and inflammation. The underlying relationship between CRA and systemic low-grade inflammation will be discussed, and an integrated multitarget approach based on nutrition and exercise to improve iron utilization by reducing low-grade inflammation, modulating the immune response, and supporting antioxidant mechanisms will also be proposed. Indeed, a Mediterranean-based diet, nutritional supplements and exercise are suggested as potential individualized strategies and as a complementary approach to conventional CRA therapy.
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13
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Irani C, Haczku A. Grains of Wisdom: Transgenic Rice for Oral Allergen Immunotherapy in Japanese Cedar Pollen-Allergic Patients. Int Arch Allergy Immunol 2020; 182:106-108. [PMID: 33321507 DOI: 10.1159/000513627] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2020] [Accepted: 12/03/2020] [Indexed: 11/19/2022] Open
Affiliation(s)
- Carla Irani
- Internal Medicine and Clinical Immunology, Saint Joseph University, Beirut, Lebanon
| | - Angela Haczku
- Department of Internal Medicine, UC Davis Lung Center, University of California, Davis, California, USA,
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14
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Guo TL, Lefever DE, Nagy T, Meng AH. In utero exposure to genistein decreased intranasal house dust mite-induced respiratory allergy in middle-aged male B6C3F1 offspring. Toxicol Lett 2020; 333:222-231. [PMID: 32798538 DOI: 10.1016/j.toxlet.2020.07.013] [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: 02/27/2020] [Revised: 06/22/2020] [Accepted: 07/09/2020] [Indexed: 10/23/2022]
Abstract
Despite many hypothesized benefits of dietary isoflavone genistein (GEN) deriving from soy-based products, questions surrounding GEN's developmental effects are increasing. To understand if in utero GEN exposure modulated postnatal respiratory allergies in the middle age, we conducted a time course study in the B6C3F1 offspring (PND 240-330) using a common household allergen (house dust mites: HDM; 10 μg/mouse for PND 240 and 290, and 50 μg/mouse for PND 330, a middle age in mice) following intranasal instillation, a physiological route of allergen exposure. GEN was administered to dams by gavage from gestational day 14 to parturition at a physiologically relevant dose (20 mg/kg body weight). Female and male offspring were sensitized with HDM allergens beginning about one month prior to sacrifice followed by challenges with three weekly dosings of HDM extracts, and they were euthanized at day 3 following the final HDM exposure. In utero exposure to GEN decreased HDM allergen-induced respiratory allergy in male B6C3F1 offspring at PND 330 as reflected by decreases in airway hyperresponsiveness (e.g., Penh value), HDM-specific IgG1 (a Th2 type Ab) and the activity of eosinophil peroxidase in the lung (an indication of eosinophil recruitment to the lungs). However, in utero exposure to GEN had minimal effects on HDM allergen-induced respiratory allergy in the middle-aged female offspring. Changes in serum total IgE, HDM-specific IgE, and lung histopathology scores in both male and female offspring were not biologically significant. Overall, in utero GEN exposure exerted a protective effect on respiratory allergy in the middle-aged male, but not female, B6C3F1 offspring following later-life HDM exposures.
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Affiliation(s)
- Tai L Guo
- Department of Veterinary Biosciences and Diagnostic Imaging, United States.
| | - Daniel E Lefever
- Department of Veterinary Biosciences and Diagnostic Imaging, United States
| | - Tamas Nagy
- Department of Veterinary Pathology, University of Georgia, Athens, GA 30602-7382, United States
| | - Andrew H Meng
- Department of Pharmacology and Toxicology, Virginia Commonwealth University, Richmond, VA 23298-0613, United States
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15
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Joubert AI, Geppert M, Johnson L, Mills-Goodlet R, Michelini S, Korotchenko E, Duschl A, Weiss R, Horejs-Höck J, Himly M. Mechanisms of Particles in Sensitization, Effector Function and Therapy of Allergic Disease. Front Immunol 2020; 11:1334. [PMID: 32714326 PMCID: PMC7344151 DOI: 10.3389/fimmu.2020.01334] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2019] [Accepted: 05/26/2020] [Indexed: 12/15/2022] Open
Abstract
Humans have always been in contact with natural airborne particles from many sources including biologic particulate matter (PM) which can exhibit allergenic properties. With industrialization, anthropogenic and combustion-derived particles have become a major fraction. Currently, an ever-growing number of diverse and innovative materials containing engineered nanoparticles (NPs) are being developed with great expectations in technology and medicine. Nanomaterials have entered everyday products including cosmetics, textiles, electronics, sports equipment, as well as food, and food packaging. As part of natural evolution humans have adapted to the exposure to particulate matter, aiming to protect the individual's integrity and health. At the respiratory barrier, complications can arise, when allergic sensitization and pulmonary diseases occur in response to particle exposure. Particulate matter in the form of plant pollen, dust mites feces, animal dander, but also aerosols arising from industrial processes in occupational settings including diverse mixtures thereof can exert such effects. This review article gives an overview of the allergic immune response and addresses specifically the mechanisms of particulates in the context of allergic sensitization, effector function and therapy. In regard of the first theme (i), an overview on exposure to particulates and the functionalities of the relevant immune cells involved in allergic sensitization as well as their interactions in innate and adaptive responses are described. As relevant for human disease, we aim to outline (ii) the potential effector mechanisms that lead to the aggravation of an ongoing immune deviation (such as asthma, chronic obstructive pulmonary disease, etc.) by inhaled particulates, including NPs. Even though adverse effects can be exerted by (nano)particles, leading to allergic sensitization, and the exacerbation of allergic symptoms, promising potential has been shown for their use in (iii) therapeutic approaches of allergic disease, for example as adjuvants. Hence, allergen-specific immunotherapy (AIT) is introduced and the role of adjuvants such as alum as well as the current understanding of their mechanisms of action is reviewed. Finally, future prospects of nanomedicines in allergy treatment are described, which involve modern platform technologies combining immunomodulatory effects at several (immuno-)functional levels.
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Affiliation(s)
- Anna I Joubert
- Division of Allergy and Immunology, Department of Biosciences, University of Salzburg, Salzburg, Austria
| | - Mark Geppert
- Division of Allergy and Immunology, Department of Biosciences, University of Salzburg, Salzburg, Austria
| | - Litty Johnson
- Division of Allergy and Immunology, Department of Biosciences, University of Salzburg, Salzburg, Austria
| | - Robert Mills-Goodlet
- Division of Allergy and Immunology, Department of Biosciences, University of Salzburg, Salzburg, Austria
| | - Sara Michelini
- Division of Allergy and Immunology, Department of Biosciences, University of Salzburg, Salzburg, Austria
| | - Evgeniia Korotchenko
- Division of Allergy and Immunology, Department of Biosciences, University of Salzburg, Salzburg, Austria
| | - Albert Duschl
- Division of Allergy and Immunology, Department of Biosciences, University of Salzburg, Salzburg, Austria
| | - Richard Weiss
- Division of Allergy and Immunology, Department of Biosciences, University of Salzburg, Salzburg, Austria
| | - Jutta Horejs-Höck
- Division of Allergy and Immunology, Department of Biosciences, University of Salzburg, Salzburg, Austria
| | - Martin Himly
- Division of Allergy and Immunology, Department of Biosciences, University of Salzburg, Salzburg, Austria
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16
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CC chemokine CCL1 receptor CCR8 mediates conversion of mesenchymal stem cells to embryoid bodies expressing FOXP3+CCR8+ regulatory T cells. PLoS One 2019; 14:e0218944. [PMID: 31314754 PMCID: PMC6636727 DOI: 10.1371/journal.pone.0218944] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2019] [Accepted: 05/28/2019] [Indexed: 12/01/2022] Open
Abstract
Embryoid bodies (EBs) are three dimensional aggregates of pluripotent stem cells primarily used to investigate morphogenesis and cell toxicity, are also attractive tools in regenerative medicine. While embryonic stem cells (ESCs) and induced pluripotent cells (IPSCs) have been shown to form EBs in mouse, primate and humans, EB formation have not been previously demonstrated in mesenchymal stem cells (MSCs). Here we show that rat MSCs form EBs; which express regulatory T cell (Treg) marker Foxp3 and CC chemokine CCL1 receptor CCR8. We show a novel method for formation of EBs from MSCs under stress and demonstrate that the induction of FoxP3+ CCR8+ EBs is dependent upon CCL1 gradients which mediate cell proliferation, migration and invasion of mTregs. The identification of EBs and novel FoxP3+ CCR8+ regulatory T cells (mTregs) for selective conversion and isolation of bone marrow derived MSCs offers novel avenues for research, diagnosis and treatment.
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17
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Xue J, Wang XM, Li Y, Zhu L, Liu XM, Chen J, Chi SH. Highlighting the importance of early diagnosis in progressive multi-organ involvement of IgG4-related disease: A case report and review of literature. World J Clin Cases 2018; 6:707-715. [PMID: 30430130 PMCID: PMC6232572 DOI: 10.12998/wjcc.v6.i13.707] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/31/2018] [Revised: 09/16/2018] [Accepted: 10/11/2018] [Indexed: 02/05/2023] Open
Abstract
IgG4-related disease (IgG4-RD) is an increasingly recognized pathological entity that tends to involve multiple organs with an elevated level of serum IgG4, which is easily misdiagnosed owing to sharing common clinical features with a variety of other diseases. Here, we report an interesting IgG4-RD case of a woman with progressive multi-organ involvement for over 19 years, started with swollen eyelids, dry eye and mouth, and polydipsia and hydruria. Imaging diagnosis revealed diffuse enlargement of the parotid glands, enlargement of the head of the pancreas, pulmonary infection and interstitial lung. Serological tests showed a remarkable elevation of the serum IgG4, and cytological analysis further revealed a large amount of lymphoplasmacytic infiltration into the focal lobule, and IgG4-positive cell infiltration in bladder mucosa. Therapeutically, the patient responded well to steroid therapy, and thus, she was diagnosed as IgG4-RD suspicious. This report highlights the importance of an early diagnosis in this autoimmune disease and suggests that patients with a clinically unclear cause of inflammation, swelling and refractory glands, rhinitis, pancreatitis, hypophysitis, and/or interstitial pneumonia should be considered for IgG4-RD. The plasma IgG4 level and lymphoplasmacytic infiltration may be useful indexes for screening, and a low dose of steroid maintaining therapy may offer benefits for patients with IgG4-RD.
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Affiliation(s)
- Jing Xue
- Department of Rheumatology, General Hospital of Ningxia Medical University, Yinchuan 750004, Ningxia Hui Autonomous Region, China
- Institute of Human Stem Cell Research, General Hospital of Ningxia Medical University, Yinchuan 750004, Ningxia Hui Autonomous Region, China
| | - Xue-Mei Wang
- Department of Rheumatology, General Hospital of Ningxia Medical University, Yinchuan 750004, Ningxia Hui Autonomous Region, China
| | - Yan Li
- Department of Radiology, General Hospital of Ningxia Medical University, Yinchuan 750004, Ningxia Hui Autonomous Region, China
| | - Li Zhu
- Department of Radiology, General Hospital of Ningxia Medical University, Yinchuan 750004, Ningxia Hui Autonomous Region, China
| | - Xiao-Ming Liu
- Institute of Human Stem Cell Research, General Hospital of Ningxia Medical University, Yinchuan 750004, Ningxia Hui Autonomous Region, China
| | - Juan Chen
- Department of Pulmonary and Critical Care Medicine, General Hospital of Ningxia Medical University, Yinchuan 750004, Ningxia Hui Autonomous Region, China
| | - Shu-Hong Chi
- Department of Rheumatology, General Hospital of Ningxia Medical University, Yinchuan 750004, Ningxia Hui Autonomous Region, China
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18
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Yahfoufi N, Alsadi N, Jambi M, Matar C. The Immunomodulatory and Anti-Inflammatory Role of Polyphenols. Nutrients 2018; 10:E1618. [PMID: 30400131 PMCID: PMC6266803 DOI: 10.3390/nu10111618] [Citation(s) in RCA: 778] [Impact Index Per Article: 129.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2018] [Revised: 10/17/2018] [Accepted: 10/23/2018] [Indexed: 02/07/2023] Open
Abstract
This review offers a systematic understanding about how polyphenols target multiple inflammatory components and lead to anti-inflammatory mechanisms. It provides a clear understanding of the molecular mechanisms of action of phenolic compounds. Polyphenols regulate immunity by interfering with immune cell regulation, proinflammatory cytokines' synthesis, and gene expression. They inactivate NF-κB (nuclear factor kappa-light-chain-enhancer of activated B cells) and modulate mitogen-activated protein Kinase (MAPk) and arachidonic acids pathways. Polyphenolic compounds inhibit phosphatidylinositide 3-kinases/protein kinase B (PI3K/AkT), inhibitor of kappa kinase/c-Jun amino-terminal kinases (IKK/JNK), mammalian target of rapamycin complex 1 (mTORC1) which is a protein complex that controls protein synthesis, and JAK/STAT. They can suppress toll-like receptor (TLR) and pro-inflammatory genes' expression. Their antioxidant activity and ability to inhibit enzymes involved in the production of eicosanoids contribute as well to their anti-inflammation properties. They inhibit certain enzymes involved in reactive oxygen species ROS production like xanthine oxidase and NADPH oxidase (NOX) while they upregulate other endogenous antioxidant enzymes like superoxide dismutase (SOD), catalase, and glutathione (GSH) peroxidase (Px). Furthermore, they inhibit phospholipase A2 (PLA2), cyclooxygenase (COX) and lipoxygenase (LOX) leading to a reduction in the production of prostaglandins (PGs) and leukotrienes (LTs) and inflammation antagonism. The effects of these biologically active compounds on the immune system are associated with extended health benefits for different chronic inflammatory diseases. Studies of plant extracts and compounds show that polyphenols can play a beneficial role in the prevention and the progress of chronic diseases related to inflammation such as diabetes, obesity, neurodegeneration, cancers, and cardiovascular diseases, among other conditions.
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Affiliation(s)
- Nour Yahfoufi
- Cellular and Molecular Medicine Department, Faculty of Medicine, University of Ottawa, Ottawa, ON K1H8L1, Canada.
| | - Nawal Alsadi
- Cellular and Molecular Medicine Department, Faculty of Medicine, University of Ottawa, Ottawa, ON K1H8L1, Canada.
| | - Majed Jambi
- Cellular and Molecular Medicine Department, Faculty of Medicine, University of Ottawa, Ottawa, ON K1H8L1, Canada.
| | - Chantal Matar
- Cellular and Molecular Medicine Department, Faculty of Medicine, University of Ottawa, Ottawa, ON K1H8L1, Canada.
- School of Nutrition, Faculty of Health Sciences, University of Ottawa, Ottawa, ON K1H8L1, Canada.
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19
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Zissler UM, Jakwerth CA, Guerth FM, Pechtold L, Aguilar-Pimentel JA, Dietz K, Suttner K, Piontek G, Haller B, Hajdu Z, Schiemann M, Schmidt-Weber CB, Chaker AM. Early IL-10 producing B-cells and coinciding Th/Tr17 shifts during three year grass-pollen AIT. EBioMedicine 2018; 36:475-488. [PMID: 30318182 PMCID: PMC6197437 DOI: 10.1016/j.ebiom.2018.09.016] [Citation(s) in RCA: 49] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2018] [Revised: 09/10/2018] [Accepted: 09/10/2018] [Indexed: 12/13/2022] Open
Affiliation(s)
- Ulrich M Zissler
- Center of Allergy & Environment (ZAUM), German Research Center for Environmental Health, Member of the German Center for Lung Research (DZL), Helmholtz Center Munich, Technical University of Munich (TUM), Biedersteiner Str. 29, Munich 80802, Germany
| | - Constanze A Jakwerth
- Center of Allergy & Environment (ZAUM), German Research Center for Environmental Health, Member of the German Center for Lung Research (DZL), Helmholtz Center Munich, Technical University of Munich (TUM), Biedersteiner Str. 29, Munich 80802, Germany
| | - Ferdinand M Guerth
- Center of Allergy & Environment (ZAUM), German Research Center for Environmental Health, Member of the German Center for Lung Research (DZL), Helmholtz Center Munich, Technical University of Munich (TUM), Biedersteiner Str. 29, Munich 80802, Germany
| | - Lisa Pechtold
- Center of Allergy & Environment (ZAUM), German Research Center for Environmental Health, Member of the German Center for Lung Research (DZL), Helmholtz Center Munich, Technical University of Munich (TUM), Biedersteiner Str. 29, Munich 80802, Germany; Department of Otorhinolaryngology and Head and Neck Surgery, Medical School, Technical University of Munich, Ismaninger Str. 22, Munich 81675, Germany
| | - Juan Antonio Aguilar-Pimentel
- Center of Allergy & Environment (ZAUM), German Research Center for Environmental Health, Member of the German Center for Lung Research (DZL), Helmholtz Center Munich, Technical University of Munich (TUM), Biedersteiner Str. 29, Munich 80802, Germany
| | - Katharina Dietz
- Center of Allergy & Environment (ZAUM), German Research Center for Environmental Health, Member of the German Center for Lung Research (DZL), Helmholtz Center Munich, Technical University of Munich (TUM), Biedersteiner Str. 29, Munich 80802, Germany
| | - Kathrin Suttner
- Center of Allergy & Environment (ZAUM), German Research Center for Environmental Health, Member of the German Center for Lung Research (DZL), Helmholtz Center Munich, Technical University of Munich (TUM), Biedersteiner Str. 29, Munich 80802, Germany
| | - Guido Piontek
- Department of Otorhinolaryngology and Head and Neck Surgery, Medical School, Technical University of Munich, Ismaninger Str. 22, Munich 81675, Germany
| | - Bernhard Haller
- Institute of Medical Informatics, Statistics and Epidemiology, Medical School, Technical University of Munich, Grillparzerstr. 18, Munich 81675, Germany
| | - Zuzana Hajdu
- Department of Otorhinolaryngology and Head and Neck Surgery, Medical School, Technical University of Munich, Ismaninger Str. 22, Munich 81675, Germany
| | - Matthias Schiemann
- Department of Microbiology and Hygiene, Medical School, Technical University of Munich, Trogerstr. 30, Munich 81675, Germany
| | - Carsten B Schmidt-Weber
- Center of Allergy & Environment (ZAUM), German Research Center for Environmental Health, Member of the German Center for Lung Research (DZL), Helmholtz Center Munich, Technical University of Munich (TUM), Biedersteiner Str. 29, Munich 80802, Germany
| | - Adam M Chaker
- Center of Allergy & Environment (ZAUM), German Research Center for Environmental Health, Member of the German Center for Lung Research (DZL), Helmholtz Center Munich, Technical University of Munich (TUM), Biedersteiner Str. 29, Munich 80802, Germany; Department of Otorhinolaryngology and Head and Neck Surgery, Medical School, Technical University of Munich, Ismaninger Str. 22, Munich 81675, Germany.
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20
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Xu F, Yu S, Qin M, Mao Y, Jin L, Che N, Liu S, Ge R. Hydrogen-Rich Saline Ameliorates Allergic Rhinitis by Reversing the Imbalance of Th1/Th2 and Up-Regulation of CD4+CD25+Foxp3+Regulatory T Cells, Interleukin-10, and Membrane-Bound Transforming Growth Factor-β in Guinea Pigs. Inflammation 2018; 41:81-92. [PMID: 28894978 DOI: 10.1007/s10753-017-0666-6] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
It is well known that CD4+CD25+Foxp3+Treg cells play an important role in the development of allergic rhinitis (AR); the defect of cell numbers and functions contribute to AR. Hydrogen has been proven effective in alleviating symptoms of AR. We herein aim to verify the protective effects of hydrogen on CD4+CD25+Foxp3+Treg cells in guinea pigs with AR and to explore the effect of hydrogen-rich saline (HRS) on CD4+CD25+Foxp3+Treg cells in animals with AR and investigate the underlying anti-inflammatory mechanism. Eighteen guinea pigs were randomly divided into three groups (control group/AR group/AR-HRS group). The guinea pigs were injected with hydrogen-rich saline (AR-HRS group) for 10 days after sensitization. The control group was injected with an equal volume of normal saline. The number of sneezes, degree of runny nose, and nasal-rubbing movements were scored. Peripheral blood eosinophil count was recorded. The proportions of Th1/Th2 of the peripheral blood and the CD4+CD25+Foxp3+T cells in the CD4+T cells of the spleen and peripheral blood were determined by flow cytometry. The content of interleukin (IL)-10 and transforming growth factor (TGF)-β in the serum was detected by enzyme-linked immunosorbent assay (ELISA). The protein and mRNA expression of Foxp3, IL-10, and TGF-β were determined by Western blot, immunofluorescence, and real-time PCR analysis, respectively. Scores of symptoms, number of eosinophils,and nasal mucosa damage were dramatically reduced after HRS treatment. HRS increased the expression of Foxp3, IL-10, TGF-β, and number of CD4+CD25+Foxp3+Treg cells, which were reduced in AR. HRS also revised the dysregulation of Th1/Th2 balance. Both the number and biological activity of CD4+CD25+Foxp3+Treg cells increased with up-regulation of Th1/Th2 after HRS administration. HRS could play a protective role in attenuating AR through improving the proportion and functions of CD4+CD25+Foxp3+Treg cells.
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Affiliation(s)
- Feifei Xu
- Department of Otorhinolaryngology, Head and Neck Surgery, Tongji Hospital, Tongji University, Shanghai, 200065, China
| | - Shaoqing Yu
- Department of Otorhinolaryngology, Head and Neck Surgery, Tongji Hospital, Tongji University, Shanghai, 200065, China. .,Department of Otolaryngology, Tongji Hospital, Tongji University, 389 Xincun road, Putuo District, Shanghai, 200065, China.
| | - Mali Qin
- Department of Otorhinolaryngology, Head and Neck Surgery, Tongji Hospital, Tongji University, Shanghai, 200065, China
| | - Yong Mao
- Department of Otorhinolaryngology, Head and Neck Surgery, Tongji Hospital, Tongji University, Shanghai, 200065, China
| | - Ling Jin
- Department of Otorhinolaryngology, Head and Neck Surgery, Tongji Hospital, Tongji University, Shanghai, 200065, China
| | - Na Che
- Department of Otorhinolaryngology, Head and Neck Surgery, Tongji Hospital, Tongji University, Shanghai, 200065, China
| | - Shuangxi Liu
- Department of Otorhinolaryngology, Head and Neck Surgery, Tongji Hospital, Tongji University, Shanghai, 200065, China
| | - Rongming Ge
- Department of Otorhinolaryngology, Head and Neck Surgery, Tongji Hospital, Tongji University, Shanghai, 200065, China
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Boivin R, Vargas A, Cano P, Lavoie JP. Glucocorticosteroids administration is associated with increased regulatory T cells in equine asthmatic lungs. Vet Immunol Immunopathol 2018; 201:67-71. [PMID: 29914685 DOI: 10.1016/j.vetimm.2018.05.010] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2018] [Revised: 04/17/2018] [Accepted: 05/22/2018] [Indexed: 12/16/2022]
Abstract
Recurrent inflammation in severe equine asthma causes a remodeling of the airways leading to incompletely reversible airway obstruction. Despite the improvement of clinical signs and lung function with glucocorticoids (GC), inflammation, translated by an increased percentage of neutrophils, persists in the airways. Regulatory T cells (Treg) have been shown to have anti-inflammatory properties and play an important role in balancing the immune response by suppressing effector lymphocyte activity. However, interactions between Treg, neutrophils and glucocorticosteroids in vivo are unclear, particularly in asthma. Furthermore, the effects of GC on Treg in the airway of asthmatic horses have not been investigated. We hypothesized that horses with severe asthma display a decreased population of pulmonary Treg when compared to heathy controls, and that treatment with GC lead to an increased pulmonary Treg cell population only in affected horses. Using lung function measurements and flow cytometry with surface antigens CD4 and FoxP3, we investigated Treg in airway luminal cells obtained by bronchoalveolar lavage fluid (BALF) from 6 asthmatic horses in exacerbation of the disease and 6 aged-match controls, kept in the same environment, before and following a 2-week treatment with dexamethasone. Results showed that the number of Treg increases only in the lungs of asthmatic horses following GC therapy, despite continued presence of increased numbers of neutrophils. Our results support the complexity of the interaction between Treg, neutrophils and GC.
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Affiliation(s)
- Roxane Boivin
- Department of Clinical Sciences, Faculty of Veterinary Medicine, Université de Montréal, 3200, rue Sicotte, Saint-Hyacinthe, Quebec, J2S 2M2, Canada.
| | - Amandine Vargas
- Department of Clinical Sciences, Faculty of Veterinary Medicine, Université de Montréal, 3200, rue Sicotte, Saint-Hyacinthe, Quebec, J2S 2M2, Canada.
| | - Patricia Cano
- Department of Clinical Sciences, Faculty of Veterinary Medicine, Université de Montréal, 3200, rue Sicotte, Saint-Hyacinthe, Quebec, J2S 2M2, Canada.
| | - Jean-Pierre Lavoie
- Department of Clinical Sciences, Faculty of Veterinary Medicine, Université de Montréal, 3200, rue Sicotte, Saint-Hyacinthe, Quebec, J2S 2M2, Canada.
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22
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Upregulated interleukins (IL-6, IL-10, and IL-13) in immunoglobulin G4-related aortic aneurysm patients. J Vasc Surg 2018; 67:1248-1262. [DOI: 10.1016/j.jvs.2016.12.140] [Citation(s) in RCA: 32] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2016] [Accepted: 12/16/2016] [Indexed: 12/18/2022]
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Karkhah A, Javanian M, Ebrahimpour S. The role of regulatory T cells in immunopathogenesis and immunotherapy of viral infections. INFECTION GENETICS AND EVOLUTION 2018; 59:32-37. [PMID: 29413883 DOI: 10.1016/j.meegid.2018.01.015] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/20/2017] [Revised: 01/09/2018] [Accepted: 01/20/2018] [Indexed: 12/15/2022]
Abstract
Two hepatotropic viruses hepatitis C virus (HCV) and hepatitis B virus (HBV) have been considered as the main cause of chronic viral infections. In addition, human immunodeficiency virus (HIV) attacks the immune system by eradication of some white blood cell (T-helper cell). The role of Tregs in HCV, HBV and HIV infections ranges from suppressing antiviral T cell responses to protecting tissues as liver and immune cells from immune mediated injury. In this review, we discuss the influence of regulatory T cells in immunopathology of specific viral infections including HCV, HBV and HIV by focusing on targeting Tregs as novel approach in vaccinology against viral infections.
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Affiliation(s)
- Ahmad Karkhah
- Cellular and Molecular Biology Research Center, Health Research Institute, Babol University of Medical Sciences, Babol, Iran; Student Research Committee, School of Medicine, Babol University of Medical Sciences, Babol, Iran
| | - Mostafa Javanian
- Infectious Diseases and Tropical Medicine Research Center, Health Research Institute, Babol University of Medical Sciences, Babol I.R., Iran
| | - Soheil Ebrahimpour
- Infectious Diseases and Tropical Medicine Research Center, Health Research Institute, Babol University of Medical Sciences, Babol I.R., Iran.
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24
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Healy J, Sedarsky K, Malafronte P, Tagg NT. IgG4-related disease and intracranial hypertenstion: Case report of a novel mechanistic association. J Neurol Sci 2018; 385:75-77. [DOI: 10.1016/j.jns.2017.12.013] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2017] [Revised: 11/16/2017] [Accepted: 12/12/2017] [Indexed: 01/13/2023]
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25
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Şahin E, Bafaqeeh SA, Güven SG, Çetinkaya EA, Muluk NB, Coşkun ZO, Lopatin A, Kar M, Pinarbasli MO, Cingi C. Mechanism of action of allergen immunotherapy. Am J Rhinol Allergy 2018; 30:1-3. [PMID: 27658024 DOI: 10.2500/ajra.2016.30.4367] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Abstract
BACKGROUND Allergen immunotherapy (AIT) leads to the production of antiallergen immunoglobulin (IgG) or "blocking antibody" in the serum and an increase in antiallergen IgG and IgA in nasal secretions. There is also a decrease in the usual rise in antiallergen IgE that occurs after the pollen season. METHODS In this paper, mechanisms of action of allergen immunotherapy is reviewed. RESULTS Regulatory T (Treg) cells and their cytokines, primarily interleukin (IL) 10 and transforming growth factor beta, suppress T-helper type 2 immune responses and control allergic diseases in many ways. AIT induces a shift in the proportion of IL-4-secreting T-helper type 2 cells in favor of IL-10-secreting inducible Treg cells specific for the same allergenic epitope that increases in number and function. Different types of inducible Treg control several facets of allergic inflammation. There are two main types of immunotherapy: subcutaneous immunotherapy and sublingual immunotherapy. Subcutaneous immunotherapy is efficacious and is indicated for the reduction of seasonal symptoms. Sublingual immunotherapy involves the regular self-administration and retention of allergen extract under the tongue for 1-2 minutes before the extract is swallowed. The allergens cross the mucosa in 15-30 minutes and are then captured by tolerogenic dendritic cells and processed as small peptides. Next, via the lymphatic system, a systemic immune response is created to produce an early decrease in mast cell and basophil degranulation. CONCLUSION AIT is indicated for the treatment of moderate-to-severe intermittent or persistent symptoms of allergic rhinitis. AIT can be administered to those >5 years of age and has been shown to be safe in children as young as 3 years of age. In this article, AIT and other types of immunotherapies were discussed as well as the indications for immunotherapy.
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Affiliation(s)
- Ethem Şahin
- Ear, Nose and Throat (ENT) Clinics; Bayındır Içerenköy Hospital, Istanbul, Turkey
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26
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Shakya AK, Lee CH, Gill HS. Cutaneous vaccination with coated microneedles prevents development of airway allergy. J Control Release 2017; 265:75-82. [PMID: 28821461 DOI: 10.1016/j.jconrel.2017.08.012] [Citation(s) in RCA: 43] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2017] [Revised: 08/01/2017] [Accepted: 08/11/2017] [Indexed: 01/16/2023]
Abstract
Allergy cases are increasing worldwide. Currently allergies are treated after their appearance in patients. However, now there is effort to make a preventive vaccine against allergies. The rationale is to target patient populations that are already sensitized to allergens but have yet to develop severe forms of the allergic disease, or who are susceptible to allergy development but have not yet developed them. Subcutaneous injections and the sublingual route have been used as the primary mode of preventive vaccine delivery. However, injections are painful, especially considering that they have to be given repeatedly to infants or young children. The sublingual route is hard to use since infants can't be trained to hold the vaccine under their tongue. In the present study, we demonstrate a microneedle (MN)-based cutaneous preventive allergy treatment against ovalbumin (Ova)-induced airway allergy in mice. Insertion of MNs coated with Ova as a model allergen and CpG oligonucleotide as an adjuvant (MNs-CIT) into the skin significantly induced Ova specific systemic immune response. This response was similar to that induced by hypodermic-needle-based delivery of Ova using the clinically-approved subcutaneous immunotherapy (SCIT) route. MNs-CIT regulated Th2 cytokines (IL-4, IL-5 & IL-13) and anti-inflammatory cytokines (IL-10) in the bronchoalveolar fluid, and IL-2 and IFN-γ cytokines in restimulated splenocyte cultures. Absence of mucus deposition inside the bronchiole wall and low collagen around the lung bronchioles after Ova-allergen challenge further confirmed the protective role of MNs-CIT. Overall, MNs-CIT represents a novel minimally invasive cutaneous immunotherapy to prevent the progression of Ova induced airway allergy in mice.
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Affiliation(s)
| | - Chang Hyun Lee
- Department of Chemical Engineering, Texas Tech University, Lubbock, TX 79409, USA
| | - Harvinder Singh Gill
- Department of Chemical Engineering, Texas Tech University, Lubbock, TX 79409, USA.
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Moitra S, Datta A, Mondal S, Hazra I, Faruk SMO, Das PK, Basu AK, Tripathi SK, Chaudhuri S. Modulation of regulatory T cells by intranasal allergen immunotherapy in an experimental rat model of airway allergy. Int Immunopharmacol 2017; 47:9-19. [PMID: 28349869 DOI: 10.1016/j.intimp.2017.03.017] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2016] [Revised: 03/02/2017] [Accepted: 03/20/2017] [Indexed: 11/25/2022]
Abstract
Allergic airway diseases such as asthma and allergic rhinitis are increasing in prevalence worldwide. The theory of an altered Th1/Th2 balance in allergic diathesis has recently been termed a "procrustean paradigm" as it failed to explain many preclinical findings. Regulatory T cells (Treg) have now been shown to be critical in T-cell homeostasis and in the maintenance of peripheral tolerance to allergens. Allergen specific immunotherapy (SIT) has been shown to induce regulatory T cells in allergic patients. Among various types of SIT, intranasal immunotherapy had not been studied in detail for the treatment of allergic airway diseases. So, there was a need to study the contribution of regulatory T cells and their mechanistic pathways following intranasal immunotherapy in-vivo. It had been previously shown that intranasal allergen immunotherapy using Alstonia scholaris pollen extract abrogates allergic airway inflammation with decline in IgE and Th2 cytokine levels. The present study for the first time offers a multi-targeted approach towards attenuation of airway allergy by the generation of CD4+CD25+Foxp3+T cells and other subsets of Treg cells like Tr1 cells, Th3 cells, CTLA4+Treg cells, and also modulation of various Treg cell surface molecules like GITR, OX40, CD39 and CD73 by intranasal immunotherapy in the same animal model. This animal experiment will thus help to chart out newer molecular targets for treating allergic asthma or rhinitis.
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Affiliation(s)
- Saibal Moitra
- Department of Laboratory Medicine, School of Tropical Medicine, 108 C. R. Avenue, Kolkata 700073, West Bengal, India
| | - Ankur Datta
- Department of Laboratory Medicine, School of Tropical Medicine, 108 C. R. Avenue, Kolkata 700073, West Bengal, India; Department of Clinical & Experimental Pharmacology, School of Tropical Medicine, 108 C. R. Avenue, Kolkata 700073, West Bengal, India
| | - Somnath Mondal
- Department of Laboratory Medicine, School of Tropical Medicine, 108 C. R. Avenue, Kolkata 700073, West Bengal, India; Department of Clinical & Experimental Pharmacology, School of Tropical Medicine, 108 C. R. Avenue, Kolkata 700073, West Bengal, India
| | - Iman Hazra
- Department of Laboratory Medicine, School of Tropical Medicine, 108 C. R. Avenue, Kolkata 700073, West Bengal, India
| | - Sk Md Omar Faruk
- Department of Laboratory Medicine, School of Tropical Medicine, 108 C. R. Avenue, Kolkata 700073, West Bengal, India
| | - Prasanta K Das
- Department of Laboratory Medicine, School of Tropical Medicine, 108 C. R. Avenue, Kolkata 700073, West Bengal, India
| | - Anjan K Basu
- Department of Biochemistry & Medical Biotechnology, School of Tropical Medicine, 108 C. R. Avenue, Kolkata 700073, West Bengal, India
| | - Santanu K Tripathi
- Department of Clinical & Experimental Pharmacology, School of Tropical Medicine, 108 C. R. Avenue, Kolkata 700073, West Bengal, India
| | - Swapna Chaudhuri
- Department of Laboratory Medicine, School of Tropical Medicine, 108 C. R. Avenue, Kolkata 700073, West Bengal, India.
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28
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Penberthy KK, Buckley MW, Arandjelovic S, Ravichandran K. Ex vivo modulation of the Foxo1 phosphorylation state does not lead to dysfunction of T regulatory cells. PLoS One 2017; 12:e0173386. [PMID: 28267764 PMCID: PMC5340387 DOI: 10.1371/journal.pone.0173386] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2016] [Accepted: 02/20/2017] [Indexed: 12/17/2022] Open
Abstract
Peripheral regulatory CD4+ T cells (Treg cells) prevent maladaptive inflammatory responses to innocuous foreign antigens. Treg cell dysfunction has been linked to many inflammatory diseases, including allergic airway inflammation. Glucocorticoids that are used to treat allergic airway inflammation and asthma are thought to work in part by promoting Treg cell differentiation; patients who are refractory to these drugs have defective induction of anti-inflammatory Treg cells. Previous observations suggest that Treg cells deficient in the transcription factor FoxO1 are pro-inflammatory, and that FoxO1 activity is regulated by its phosphorylation status and nuclear localization. Here, we asked whether altering the phosphorylation state of FoxO1 through modulation of a regulatory phosphatase might affect Treg cell function. In a mouse model of house dust mite-induced allergic airway inflammation, we observed robust recruitment of Treg cells to the lungs and lymph nodes of diseased mice, without an apparent increase in the Treg cytokine interleukin-10 in the airways. Intriguingly, expression of PP2A, a serine/threonine phosphatase linked to the regulation of FoxO1 phosphorylation, was decreased in the mediastinal lymph nodes of HDM-treated mice, mirroring the decreased PP2A expression seen in peripheral blood monocytes of glucocorticoid-resistant asthmatic patients. When we asked whether modulation of PP2A activity alters Treg cell function via treatment with the PP2A inhibitor okadaic acid, we observed increased phosphorylation of FoxO1 and decreased nuclear localization. However, dysregulation of FoxO1 did not impair Treg cell differentiation ex vivo or cause Treg cells to adopt a pro-inflammatory phenotype. Moreover, inhibition of PP2A activity did not affect the suppressive function of Treg cells ex vivo. Collectively, these data suggest that modulation of the phosphorylation state of FoxO1 via PP2A inhibition does not modify Treg cell function ex vivo. Our data also highlight the caveat in using ex vivo assays of Treg cell differentiation and function, in that while these assays are useful, they may not fully recapitulate Treg cell phenotypes that are observed in vivo.
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Affiliation(s)
- Kristen Kelley Penberthy
- Department of Microbiology, Immunology and Cancer Biology, University of Virginia, Charlottesville, Virginia, United States of America
- Center for Cell Clearance, University of Virginia, Charlottesville, Virginia, United States of America
- Carter Immunology Center, University of Virginia, Charlottesville, Virginia, United States of America
| | - Monica Weaver Buckley
- Department of Microbiology, Immunology and Cancer Biology, University of Virginia, Charlottesville, Virginia, United States of America
- Center for Cell Clearance, University of Virginia, Charlottesville, Virginia, United States of America
- Carter Immunology Center, University of Virginia, Charlottesville, Virginia, United States of America
| | - Sanja Arandjelovic
- Department of Microbiology, Immunology and Cancer Biology, University of Virginia, Charlottesville, Virginia, United States of America
- Center for Cell Clearance, University of Virginia, Charlottesville, Virginia, United States of America
- Carter Immunology Center, University of Virginia, Charlottesville, Virginia, United States of America
| | - Kodi Ravichandran
- Department of Microbiology, Immunology and Cancer Biology, University of Virginia, Charlottesville, Virginia, United States of America
- Center for Cell Clearance, University of Virginia, Charlottesville, Virginia, United States of America
- Carter Immunology Center, University of Virginia, Charlottesville, Virginia, United States of America
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29
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Martín-Orozco E, Norte-Muñoz M, Martínez-García J. Regulatory T Cells in Allergy and Asthma. Front Pediatr 2017; 5:117. [PMID: 28589115 PMCID: PMC5440567 DOI: 10.3389/fped.2017.00117] [Citation(s) in RCA: 72] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/15/2016] [Accepted: 05/03/2017] [Indexed: 12/12/2022] Open
Abstract
The immune system's correct functioning requires a sophisticated balance between responses to continuous microbial challenges and tolerance to harmless antigens, such as self-antigens, food antigens, commensal microbes, allergens, etc. When this equilibrium is altered, it can lead to inflammatory pathologies, tumor growth, autoimmune disorders, and allergy/asthma. The objective of this review is to show the existing data on the importance of regulatory T cells (Tregs) on this balance and to underline how intrauterine and postnatal environmental exposures influence the maturation of the immune system in humans. Genetic and environmental factors during embryo development and/or early life will result in a proper or, conversely, inadequate immune maturation with either beneficial or deleterious effects on health. We have focused herein on Tregs as a reflection of the maturity of the immune system. We explain the types, origins, and the mechanisms of action of these cells, discussing their role in allergy and asthma predisposition. Understanding the importance of Tregs in counteracting dysregulated immunity would provide approaches to diminish asthma and other related diseases in infants.
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Affiliation(s)
- Elena Martín-Orozco
- Department of Biochemistry and Molecular Biology B and Immunology, School of Medicine, Murcia Biohealth Research Institute-University of Murcia (IMIB-UMU), Regional Campus of International Excellence "Campus Mare Nostrum", Murcia, Spain
| | - María Norte-Muñoz
- Department of Biochemistry and Molecular Biology B and Immunology, School of Medicine, Murcia Biohealth Research Institute-University of Murcia (IMIB-UMU), Regional Campus of International Excellence "Campus Mare Nostrum", Murcia, Spain
| | - Javier Martínez-García
- Department of Biochemistry and Molecular Biology B and Immunology, School of Medicine, Murcia Biohealth Research Institute-University of Murcia (IMIB-UMU), Regional Campus of International Excellence "Campus Mare Nostrum", Murcia, Spain
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30
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Mavrogeni S, Markousis-Mavrogenis G, Kolovou G. IgG4-related cardiovascular disease. The emerging role of cardiovascular imaging. Eur J Radiol 2017; 86:169-175. [DOI: 10.1016/j.ejrad.2016.11.012] [Citation(s) in RCA: 44] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2016] [Revised: 10/06/2016] [Accepted: 11/06/2016] [Indexed: 12/24/2022]
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31
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Steveling-Klein EH. Allergen-Specific Immunotherapy. EUROPEAN MEDICAL JOURNAL 2016. [DOI: 10.33590/emj/10314632] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
Allergen-specific immunotherapy remains the only causal treatment of allergic disease to date. Its efficacy in symptom reduction was demonstrated in double blind, placebo-controlled studies of allergic rhinoconjunctivitis, allergic asthma, and Hymenoptera venom hypersensitivity, including long-term effects after discontinuation of treatment. In addition, immunotherapy decreases the risk of developing new sensitisations to aeroallergens in monosensitised patients and allergic asthma in patients with mere allergic rhinitis. The mechanism of immunotherapy entails redirection of the T lymphocyte response from a T helper cell Type 2 phenotype in favour of induction of regulatory T cells and/or immune deviation toward a T helper cell Type 1 phenotype, with resulting inhibition of downstream effector pathways and induction of immunoglobulin G-associated blocking antibodies. Two main application forms are used in clinical practice: subcutaneous immunotherapy and sublingual immunotherapy. The advantage of subcutaneous immunotherapy is its proven efficacy over a broad range of indications. Disadvantages are systemic allergic reactions and inconvenience for the patient due to frequent doctor visits. Sublingual immunotherapy has been shown to result in less systemic allergic reactions and may be more convenient due to home application; however, efficacy has only been proven for allergic rhinitis. For clinicians, the adherence to practice guidelines and thorough knowledge of allergen products, application routes, indications, immunomodulatory mechanisms, efficacy, safety, and cost-effectiveness is important for successful treatment and will be addressed in this review article.
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32
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Würtzen PA, Gupta S, Brand S, Andersen PS. Grass pollen immunotherapy: where are we now. Immunotherapy 2016; 8:399-411. [PMID: 26973122 DOI: 10.2217/imt.16.1] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
Abstract
During allergen immunotherapy (AIT), the allergic patient is exposed to the disease-inducing antigens (allergens) in order to induce clinical and immunological tolerance and obtain disease modification. Large trials of grass AIT with highly standardized subcutaneous and sublingual tablet vaccines have been conducted to document the clinical effect. Induction of blocking antibodies as well as changes in the balance between T-cell phenotypes, including induction of regulatory T-cell subtypes, have been demonstrated for both treatment types. These observations increase the understanding of the immunological mechanism behind the clinical effect and may make it possible to use the immunological changes as biomarkers of clinical effect. The current review describes the recent mechanistic findings for subcutaneous immunotherapy and sublingual immunotherapy/tablet treatment and discusses how the observed immunological changes translate into a scientific foundation for the observed clinical effects of grass pollen immunotherapy and lead to new treatment strategies for grass AIT.
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Affiliation(s)
- Peter A Würtzen
- Department of Immunology, Global Research, ALK, Hørsholm, Denmark
| | - Shashank Gupta
- Department of Immunology, Global Research, ALK, Hørsholm, Denmark
| | - Stephanie Brand
- Department of Immunology, Global Research, ALK, Hørsholm, Denmark
| | - Peter S Andersen
- Department of Immunology, Global Research, ALK, Hørsholm, Denmark
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33
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Oliveira SC, Figueiredo BC, Cardoso LS, Carvalho EM. A double edged sword: Schistosoma mansoni Sm29 regulates both Th1 and Th2 responses in inflammatory mucosal diseases. Mucosal Immunol 2016; 9:1366-1371. [PMID: 27554296 DOI: 10.1038/mi.2016.69] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Affiliation(s)
- Sergio C Oliveira
- Departamento de Bioquímica e Imunologia, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, Minas Gerais, Brazil.,Instituto Nacional de Ciência e Tecnologia em Doenças Tropicais (INCT-DT), Conselho Nacional de Desenvolvimento Científico e Tecnológico, Ministério de Ciência Tecnologia e Inovação, Salvador, Bahia, Brazil
| | - Barbara C Figueiredo
- Departamento de Bioquímica e Imunologia, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, Minas Gerais, Brazil.,Instituto Nacional de Ciência e Tecnologia em Doenças Tropicais (INCT-DT), Conselho Nacional de Desenvolvimento Científico e Tecnológico, Ministério de Ciência Tecnologia e Inovação, Salvador, Bahia, Brazil
| | - Luciana S Cardoso
- Instituto Nacional de Ciência e Tecnologia em Doenças Tropicais (INCT-DT), Conselho Nacional de Desenvolvimento Científico e Tecnológico, Ministério de Ciência Tecnologia e Inovação, Salvador, Bahia, Brazil.,Departamento de Análises Clínicas e Toxicológicas, Faculdade de Farmácia, Universidade Federal da Bahia, Salvador, Bahia, Brazil
| | - Edgar M Carvalho
- Instituto Nacional de Ciência e Tecnologia em Doenças Tropicais (INCT-DT), Conselho Nacional de Desenvolvimento Científico e Tecnológico, Ministério de Ciência Tecnologia e Inovação, Salvador, Bahia, Brazil.,Serviço de Imunologia, Hospital Universitário Professor Edgard Santos, Universidade Federal da Bahia, Salvador, Bahia, Brazil
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34
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Rigas D, Lewis G, Aron JL, Wang B, Banie H, Sankaranarayanan I, Galle-Treger L, Maazi H, Lo R, Freeman GJ, Sharpe AH, Soroosh P, Akbari O. Type 2 innate lymphoid cell suppression by regulatory T cells attenuates airway hyperreactivity and requires inducible T-cell costimulator-inducible T-cell costimulator ligand interaction. J Allergy Clin Immunol 2016; 139:1468-1477.e2. [PMID: 27717665 DOI: 10.1016/j.jaci.2016.08.034] [Citation(s) in RCA: 144] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2016] [Revised: 07/19/2016] [Accepted: 08/02/2016] [Indexed: 01/14/2023]
Abstract
BACKGROUND Atopic diseases, including asthma, exacerbate type 2 immune responses and involve a number of immune cell types, including regulatory T (Treg) cells and the emerging type 2 innate lymphoid cells (ILC2s). Although ILC2s are potent producers of type 2 cytokines, the regulation of ILC2 activation and function is not well understood. OBJECTIVE In the present study, for the first time, we evaluate how Treg cells interact with pulmonary ILC2s and control their function. METHODS ILC2s and Treg cells were evaluated by using in vitro suppression assays, cell-contact assays, and gene expression panels. Also, human ILC2s and Treg cells were adoptively transferred into NOD SCID γC-deficient mice, which were given isotype or anti-inducible T-cell costimulator ligand (ICOSL) antibodies and then challenged with IL-33 and assessed for airway hyperreactivity. RESULTS We show that induced Treg cells, but not natural Treg cells, effectively suppress the production of the ILC2-driven proinflammatory cytokines IL-5 and IL-13 both in vitro and in vivo. Mechanistically, our data reveal the necessity of inducible T-cell costimulator (ICOS)-ICOS ligand cell contact for Treg cell-mediated ILC2 suppression alongside the suppressive cytokines TGF-β and IL-10. Using a translational approach, we then demonstrate that human induced Treg cells suppress syngeneic human ILC2s through ICOSL to control airway inflammation in a humanized ILC2 mouse model. CONCLUSION These findings suggest that peripheral expansion of induced Treg cells can serve as a promising therapeutic target against ILC2-dependent asthma.
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Affiliation(s)
- Diamanda Rigas
- Department of Molecular Microbiology and Immunology, Keck School of Medicine, University of Southern California, Los Angeles, Calif
| | - Gavin Lewis
- Department of Molecular Microbiology and Immunology, Keck School of Medicine, University of Southern California, Los Angeles, Calif; Janssen Research and Development, San Diego, Calif
| | - Jennifer L Aron
- Department of Molecular Microbiology and Immunology, Keck School of Medicine, University of Southern California, Los Angeles, Calif
| | - Bowen Wang
- Department of Molecular Microbiology and Immunology, Keck School of Medicine, University of Southern California, Los Angeles, Calif
| | | | - Ishwarya Sankaranarayanan
- Department of Molecular Microbiology and Immunology, Keck School of Medicine, University of Southern California, Los Angeles, Calif
| | - Lauriane Galle-Treger
- Department of Molecular Microbiology and Immunology, Keck School of Medicine, University of Southern California, Los Angeles, Calif
| | - Hadi Maazi
- Department of Molecular Microbiology and Immunology, Keck School of Medicine, University of Southern California, Los Angeles, Calif
| | - Richard Lo
- Department of Molecular Microbiology and Immunology, Keck School of Medicine, University of Southern California, Los Angeles, Calif
| | - Gordon J Freeman
- Department of Medical Oncology, Dana-Farber Cancer Institute, Department of Medicine, Harvard Medical School, Boston, Mass
| | - Arlene H Sharpe
- Department of Microbiology and Immunology, Harvard Medical School, Boston, Mass
| | | | - Omid Akbari
- Department of Molecular Microbiology and Immunology, Keck School of Medicine, University of Southern California, Los Angeles, Calif.
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Long CM, Marshall NB, Lukomska E, Kashon ML, Meade BJ, Shane H, Anderson SE. A Role for Regulatory T Cells in a Murine Model of Epicutaneous Toluene Diisocyanate Sensitization. Toxicol Sci 2016; 152:85-98. [PMID: 27103660 PMCID: PMC4987710 DOI: 10.1093/toxsci/kfw074] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Toluene diisocyanate (TDI) is a leading cause of chemical-induced occupational asthma which impacts workers in a variety of industries worldwide. Recently, the robust regulatory potential of regulatory T cells (Tregs) has become apparent, including their functional role in the regulation of allergic disease; however, their function in TDI-induced sensitization has not been explored. To elucidate the kinetics, phenotype, and function of Tregs during TDI sensitization, BALB/c mice were dermally exposed (on each ear) to a single application of TDI (0.5-4% v/v) or acetone vehicle and endpoints were evaluated via RT-PCR and flow cytometry. The draining lymph node (dLN) Treg population expanded significantly 4, 7, and 9 days after single 4% TDI exposure. This population was identified using a variety of surface and intracellular markers and was found to be phenotypically heterogeneous based on increased expression of markers including CD103, CCR6, CTLA4, ICOS, and Neuropilin-1 during TDI sensitization. Tregs isolated from TDI-sensitized mice were significantly more suppressive compared with their control counterparts, further supporting a functional role for Tregs during TDI sensitization. Last, Tregs were depleted prior to TDI sensitization and an intensified sensitization response was observed. Collectively, these data indicate that Tregs exhibit a functional role during TDI sensitization. Because the role of Tregs in TDI sensitization has not been previously elucidated, these data contribute to the understanding of the immunologic mechanisms of chemical induced allergic disease.
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MESH Headings
- Animals
- Antigens, CD/immunology
- Antigens, CD/metabolism
- CTLA-4 Antigen/immunology
- CTLA-4 Antigen/metabolism
- Cell Proliferation
- Cells, Cultured
- Dermatitis, Allergic Contact/immunology
- Dermatitis, Allergic Contact/metabolism
- Disease Models, Animal
- Female
- Inducible T-Cell Co-Stimulator Protein/immunology
- Inducible T-Cell Co-Stimulator Protein/metabolism
- Integrin alpha Chains/immunology
- Integrin alpha Chains/metabolism
- Kinetics
- Lymphocyte Activation
- Mice, Inbred BALB C
- Neuropilin-1/immunology
- Neuropilin-1/metabolism
- Phenotype
- Receptors, CCR6/immunology
- Receptors, CCR6/metabolism
- Skin/immunology
- Skin/metabolism
- T-Lymphocytes, Regulatory/immunology
- T-Lymphocytes, Regulatory/metabolism
- Toluene 2,4-Diisocyanate
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Affiliation(s)
- Carrie Mae Long
- *Allergy and Clinical Immunology Branch, Health Effects Laboratory Division, National Institute for Occupational Safety and Health, Centers for Disease Control and Prevention, Morgantown, West Virginia 26505 Immunology and Microbial Pathogenesis Graduate Program, West Virginia University School of Medicine, Morgantown, West Virginia 26505
| | - Nikki B Marshall
- *Allergy and Clinical Immunology Branch, Health Effects Laboratory Division, National Institute for Occupational Safety and Health, Centers for Disease Control and Prevention, Morgantown, West Virginia 26505
| | - Ewa Lukomska
- *Allergy and Clinical Immunology Branch, Health Effects Laboratory Division, National Institute for Occupational Safety and Health, Centers for Disease Control and Prevention, Morgantown, West Virginia 26505
| | - Michael L Kashon
- Biostatics and Epidemiology Branch, Health Effects Laboratory Division, National Institute for Occupational Safety and Health, Centers for Disease Control and Prevention, Morgantown, West Virginia 26505
| | - B Jean Meade
- *Allergy and Clinical Immunology Branch, Health Effects Laboratory Division, National Institute for Occupational Safety and Health, Centers for Disease Control and Prevention, Morgantown, West Virginia 26505
| | - Hillary Shane
- *Allergy and Clinical Immunology Branch, Health Effects Laboratory Division, National Institute for Occupational Safety and Health, Centers for Disease Control and Prevention, Morgantown, West Virginia 26505
| | - Stacey E Anderson
- *Allergy and Clinical Immunology Branch, Health Effects Laboratory Division, National Institute for Occupational Safety and Health, Centers for Disease Control and Prevention, Morgantown, West Virginia 26505
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Yang J, Zhang H, Jiang L, Guo H, Luo X, Ren F. Bifidobacterium longum BBMN68-specific modulated dendritic cells alleviate allergic responses to bovine β-lactoglobulin in mice. J Appl Microbiol 2016; 119:1127-37. [PMID: 26248977 DOI: 10.1111/jam.12923] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2015] [Revised: 06/29/2015] [Accepted: 07/21/2015] [Indexed: 01/29/2023]
Abstract
AIMS This study was designed to demonstrate the protective effects of Bifidobacterium longum BBMN68-specific modulated dendritic cells (DCs) on allergic inflammation in β-lactoglobulin (BLG)-sensitized mice. METHODS AND RESULTS BALB/c mice were sensitized to BLG in accordance with a model of food allergy protocol and given oral BBMN68 daily. BBMN68 was found to significantly reduce BLG-specific hypersensitivity reactions by suppressing the aberrant balance of Th1/Th2 responses with increasing the number of CD4+CD25+Foxp3+ Treg cells in mesenteric lymph nodes (MLN) by 48·1%. The level of CD103+DCs was up-regulated by 136·7 and 56·2% in payer's patches and MLN, respectively, in response to the lower expression levels of cell-surface molecules (CD86 and MHC-II) induced by BBMN68 supplementation. The CD11c+DCs isolated from BBMN68 mice showed 45·6% more Foxp3+ expression in vitro. CONCLUSIONS These data suggest that BBMN68-specific induction of CD11c+CD103+DCs and semi-mature DCs reduce BLG allergic reactions. SIGNIFICANCE AND IMPACT OF THE STUDY These data confirm that BBMN68 may be a suitable therapeutic approach to the alleviation of food allergies, and BBMN68-specific induction of CD11c+CD103+DCs and semi-mature DCs are associated with this protection.
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Affiliation(s)
- J Yang
- The Innovation Centre of Food Nutrition and Human Health, College of Food Science and Nutritional Engineering, China Agricultural University, Beijing, China.,Key Laboratory of Functional Dairy, College of Food Science and Nutritional Engineering, China Agricultural University, Beijing, China.,Beijing Laboratory of Food Quality and Safety, College of Food Science and Nutritional Engineering, China Agricultural University, Beijing, China
| | - H Zhang
- The Innovation Centre of Food Nutrition and Human Health, College of Food Science and Nutritional Engineering, China Agricultural University, Beijing, China.,Key Laboratory of Functional Dairy, College of Food Science and Nutritional Engineering, China Agricultural University, Beijing, China.,Beijing Laboratory of Food Quality and Safety, College of Food Science and Nutritional Engineering, China Agricultural University, Beijing, China
| | - L Jiang
- The Innovation Centre of Food Nutrition and Human Health, College of Food Science and Nutritional Engineering, China Agricultural University, Beijing, China.,Key Laboratory of Functional Dairy, College of Food Science and Nutritional Engineering, China Agricultural University, Beijing, China.,Beijing Laboratory of Food Quality and Safety, College of Food Science and Nutritional Engineering, China Agricultural University, Beijing, China
| | - H Guo
- The Innovation Centre of Food Nutrition and Human Health, College of Food Science and Nutritional Engineering, China Agricultural University, Beijing, China.,Key Laboratory of Functional Dairy, College of Food Science and Nutritional Engineering, China Agricultural University, Beijing, China.,Beijing Laboratory of Food Quality and Safety, College of Food Science and Nutritional Engineering, China Agricultural University, Beijing, China
| | - X Luo
- Mineral Nutrition Research Division, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing, China
| | - F Ren
- The Innovation Centre of Food Nutrition and Human Health, College of Food Science and Nutritional Engineering, China Agricultural University, Beijing, China.,Key Laboratory of Functional Dairy, College of Food Science and Nutritional Engineering, China Agricultural University, Beijing, China.,Beijing Laboratory of Food Quality and Safety, College of Food Science and Nutritional Engineering, China Agricultural University, Beijing, China
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Guo TL, Meng AH. In Utero exposure to genistein enhanced intranasal house dust mite allergen-induced respiratory sensitization in young adult B6C3F1 mice. Toxicol Lett 2016; 253:17-26. [PMID: 27113705 DOI: 10.1016/j.toxlet.2016.04.017] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2015] [Revised: 03/30/2016] [Accepted: 04/20/2016] [Indexed: 02/07/2023]
Abstract
Despite many hypothesized benefits of dietary isoflavone genistein (GEN) deriving from soy-based products, questions surrounding GEN's developmental immunotoxic effects are increasing. To understand how in utero GEN exposure may modulate postnatal respiratory sensitization, we conducted a time course study using a common household allergen (house dust mites: HDM; 10μg/mouse) following intranasal instillation, a physiological route of allergen exposure. GEN was administered to dams by gavage from gestational day 14 to parturition at a physiologically relevant dose (20mg/kg bw). Female and male offspring were sensitized with HDM allergens beginning about one month prior to sacrifice followed by challenges with three weekly doses of HDM extracts, and they were euthanized at day 3 following the final HDM exposure at four different time points (postnatal day (PND) 80, 120, 160, and 200). In utero GEN combined with postnatal HDM exposures (GEN+HDM) increased total IgE production in both young female and male B6C3F1 offspring (e.g., PND 80 in females and PND 120 in males). Increased antigen-specific IgG1, IgG2a and IgG2b levels were also observed at various time points in both female and male offspring. In addition, increases in macrophage number in bronchoalveolar lavage fluid of both female and male GEN+HDM offspring at PND 80 and PND 120, respectively, were observed when compared to the vehicle group. For T cells, an increase over the vehicle in female GEN+HDM offspring was observed at PND 80. Due to similar patterns of increases, it seems likely that GEN+HDM-induced increases in total IgE and macrophages are related. Overall, in utero GEN plus later-life HDM exposures exert increases in total IgE and HDM-specific IgG production as well as macrophage recruitments to the lung in young adult mice.
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Affiliation(s)
- Tai L Guo
- Department of Veterinary Biosciences and Diagnostic Imaging, College of Veterinary Medicine, University of Georgia, Athens, GA 30602-7382, United States.
| | - Andrew H Meng
- Department of Pharmacology and Toxicology, Virginia Commonwealth University, Richmond, VA 23298-0613, United States
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38
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Ozeki K, Furuta T, Asano M, Noda T, Nakamura M, Shibata Y, Okada E, Ojima T. Association of Hay Fever with the Failure of Helicobacter pylori Primary Eradication. Intern Med 2016; 55:1729-34. [PMID: 27374672 DOI: 10.2169/internalmedicine.55.6388] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
Objective Recently, the number of patients receiving Helicobacter pylori eradication treatment has dramatically increased in Japan, although the eradication rate has gradually decreased. Patient characteristics could affect the eradication rate. Our aim in this study was to investigate the association between failed first-line eradication therapy and hay fever. Methods We researched 356 patients who visited a pharmacy adjacent to the Internal Medicine clinic with a prescription for first-line H. pylori eradication treatment and investigated whether the patients had hay fever using a questionnaire. We separated these patients into 2 groups based on the success or failure of eradication according to the clinical data and performed a logistic regression analysis to investigate the influence of hay fever on first-line eradication failure. Results The eradication rate of patients with and without hay fever was 65.6% and 77.7%, respectively. The adjusted odds ratios according to which patients with hay fever would fail eradication therapy gradually lowered with increasing patient age [≤50 years, odds ratio (OR) 6.81, p=0.089; 51-60 years, OR 2.75, p=0.145; 61-70 years, OR 1.60, p=0.391; >70 years, OR 1.02, p=0.979]. A significant relationship was found for all patients (OR 1.88, p=0.047) and the age group ≤70 years (OR 2.31, p=0.024). Conclusion Patients with hay fever have difficulty with first-line eradication, especially younger patients. The existence of clarithromycin-resistant bacteria is suspected, and other factors may also be involved. When a hay fever sufferer receives first-line treatment, eradication might be difficult and other treatment may be required.
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Affiliation(s)
- Kayoko Ozeki
- Department of Community Health and Preventive Medicine, Hamamatsu University School of Medicine, Japan
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Huang MT, Lin BR, Liu WL, Lu CW, Chiang BL. Lymph node trafficking of regulatory T cells is prerequisite for immune suppression. J Leukoc Biol 2015; 99:561-8. [PMID: 26543091 DOI: 10.1189/jlb.1a0715-296r] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2015] [Accepted: 10/19/2015] [Indexed: 12/13/2022] Open
Abstract
Regulatory T cells have a crucial role in health and disease because of their immune regulation function. However, the anatomic sites where regulatory T cells exert optimal immune regulation are open to debate. In our current study with the use of a shear-stress flow assay, we found that regulatory T cells exhibited significantly decreased adhesion to either activated endothelial monolayer or intercellular adhesion molecule 1 or E-selectin-coated surfaces compared with activated effector T cells. The less transmigration capacity of the regulatory T cells prompted our speculation of preferential lymph node localization for the regulatory T cells that endowed these cells with immune regulation function in the most efficient manner. To test this hypothesis, the role of lymph node localization in regulatory T cell-mediated immune suppression was evaluated with a footpad inflammation model. We found that adoptively transferred regulatory T cells inhibited the development of footpad inflammation. In addition, although blockage of CCR7 or CD62L had no effect on the immune suppressive function of the regulatory T cells per se, pretreatment of the regulatory T cells with either CCR7 or CD62L blocking antibodies prevented their recruitment into draining lymph nodes and concomitantly abrogated the immune suppressive effects of adoptively transferred regulatory T cells during footpad inflammation. Our data demonstrate the crucial role of lymph node localization in regulatory T cell-mediated immune suppression and suggest a probable hierarchy in the anatomic sites for optimal immune regulation. Elucidating the relationships between the transmigration characteristics of the regulatory T cells and their immune regulation function will provide insightful information for regulatory T cell-based cell therapy.
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Affiliation(s)
- Miao-Tzu Huang
- Departments of *Medical Research, Pediatrics, Graduate Institute of Clinical Medicine, School of Medicine, and Department of General Surgery, National Taiwan University Hospital, Taipei, Taiwan
| | - Been-Ren Lin
- Departments of *Medical Research, Pediatrics, Graduate Institute of Clinical Medicine, School of Medicine, and Department of General Surgery, National Taiwan University Hospital, Taipei, Taiwan
| | - Wei-Liang Liu
- Departments of *Medical Research, Pediatrics, Graduate Institute of Clinical Medicine, School of Medicine, and Department of General Surgery, National Taiwan University Hospital, Taipei, Taiwan
| | - Chun-Wei Lu
- Departments of *Medical Research, Pediatrics, Graduate Institute of Clinical Medicine, School of Medicine, and Department of General Surgery, National Taiwan University Hospital, Taipei, Taiwan
| | - Bor-Luen Chiang
- Departments of *Medical Research, Pediatrics, Graduate Institute of Clinical Medicine, School of Medicine, and Department of General Surgery, National Taiwan University Hospital, Taipei, Taiwan
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40
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Chaker AM, Shamji MH, Dumitru FA, Calderon MA, Scadding GW, Makatsori M, Jones I, He QA, Subramanian KK, Arm JP, Durham SR, Schmidt-Weber CB. Short-term subcutaneous grass pollen immunotherapy under the umbrella of anti-IL-4: A randomized controlled trial. J Allergy Clin Immunol 2015; 137:452-461.e9. [PMID: 26531865 DOI: 10.1016/j.jaci.2015.08.046] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2015] [Revised: 08/23/2015] [Accepted: 08/31/2015] [Indexed: 02/07/2023]
Abstract
BACKGROUND Allergen immunotherapy is currently the only disease-modifying treatment available for allergic rhinitis and allergic asthma. OBJECTIVES We sought to evaluate the induction of sustained tolerance to allergen when anti-IL-4 was combined with a suboptimal course of grass pollen subcutaneous immunotherapy (SCIT) using the allergen-induced skin late-phase response (LPR) and exploratory immune monitoring as surrogate markers of therapeutic response. METHODS In this randomized, double-blind, 3-group parallel design trial, 37 participants with seasonal allergic rhinitis received suboptimal SCIT (30,000 standardized quality units) in combination with anti-IL-4 (VAK694) and suboptimal SCIT (30,000 standardized quality units) plus placebo antibody or double placebo (placebo SCIT and placebo antibody) restricted to 13 weeks before the grass pollen season. The primary end point was the size of the LPR at 12 months. Exploratory end points included measures of the immunomodulatory activity of treatment by using IL-4 and IL-10 FluoroSpot assays, flow cytometry of T cells, and measurement of IgE, IgG4, and facilitated antigen binding. RESULTS Both active treatment arms led to a substantial and sustained reduction of the LPR with no additional suppression with addition of anti-IL-4. Treatment with anti-IL-4 and SCIT compared with SCIT alone led to a sustained reduction in allergen-specific IL-4-producing cell counts (P < .01). Both active treatment arms led to induction of dual IL-4/IL-10-producing cells during the pollen season. CONCLUSION The combination of anti-IL-4 with SCIT provided no additional benefit over SCIT alone in suppressing the allergen-induced skin LPR. A larger trial is needed to assess whether the observed ex vivo downregulation of TH2 responses might translate into clinical benefit.
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Affiliation(s)
- Adam M Chaker
- Allergy and Clinical Immunology, Imperial College, National Heart and Lung Institute, London, United Kingdom; Center of Allergy and Environment (ZAUM), Technische Universität and Helmholtz Center Munich, Munich, Germany; Department of Otolaryngology, Allergy Section, Klinikum rechts der Isar, Technische Universität, Munich, Germany
| | - Mohamed H Shamji
- Allergy and Clinical Immunology, Imperial College, National Heart and Lung Institute, London, United Kingdom; Immunomodulation and Tolerance group, Allergy and Clinical Immunology, Imperial College London, London, United Kingdom
| | - Florentina A Dumitru
- Allergy and Clinical Immunology, Imperial College, National Heart and Lung Institute, London, United Kingdom
| | - Moises A Calderon
- Allergy and Clinical Immunology, Imperial College, National Heart and Lung Institute, London, United Kingdom
| | - Guy W Scadding
- Allergy and Clinical Immunology, Imperial College, National Heart and Lung Institute, London, United Kingdom
| | - Melina Makatsori
- Allergy and Clinical Immunology, Imperial College, National Heart and Lung Institute, London, United Kingdom
| | - Ieuan Jones
- Novartis Institutes for Biomedical Research, Cambridge, Mass, and Basel, Switzerland
| | - Qiuling A He
- Novartis Institutes for Biomedical Research, Cambridge, Mass, and Basel, Switzerland
| | | | - Jonathan P Arm
- Novartis Institutes for Biomedical Research, Cambridge, Mass, and Basel, Switzerland
| | - Stephen R Durham
- Allergy and Clinical Immunology, Imperial College, National Heart and Lung Institute, London, United Kingdom; Immunomodulation and Tolerance group, Allergy and Clinical Immunology, Imperial College London, London, United Kingdom
| | - Carsten B Schmidt-Weber
- Allergy and Clinical Immunology, Imperial College, National Heart and Lung Institute, London, United Kingdom; Center of Allergy and Environment (ZAUM), Technische Universität and Helmholtz Center Munich, Munich, Germany.
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Zhao J, Fan Y, Wang K, Ni X, Gu J, Lu H, Lu Y, Lu L, Dai X, Wang X. LncRNA HULC affects the differentiation of Treg in HBV-related liver cirrhosis. Int Immunopharmacol 2015; 28:901-5. [DOI: 10.1016/j.intimp.2015.04.028] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2015] [Accepted: 04/14/2015] [Indexed: 01/07/2023]
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Larsen JN, Broge L, Jacobi H. Allergy immunotherapy: the future of allergy treatment. Drug Discov Today 2015; 21:26-37. [PMID: 26327511 DOI: 10.1016/j.drudis.2015.07.010] [Citation(s) in RCA: 63] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2014] [Revised: 06/24/2015] [Accepted: 07/16/2015] [Indexed: 12/14/2022]
Abstract
Allergic respiratory disease represents a significant and expanding health problem worldwide. Allergic symptoms, such as asthma and hay fever, cause sleep impairment and reduce school and work performance. The cost to society is substantial. Allergen avoidance and pharmacotherapy cannot control the disease. Only allergy immunotherapy has disease-modifying potential and should be included in optimal treatment strategies. Allergy immunotherapy was first administered as subcutaneous injections and has been practiced for the past 100 years or so. Recently, tablet-based sublingual allergy immunotherapy (SLIT) was introduced with comprehensive clinical documentation. SLIT tablets represent a more patient-friendly concept because they can be used for self-treatment at home.
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Watanabe R, Yasuno T, Hisano S, Sasatomi Y, Nakashima H. Distinct cytokine mRNA expression pattern in immunoglobulin G4-related kidney disease associated with renal cell carcinoma. Clin Kidney J 2015; 7:269-74. [PMID: 25852888 PMCID: PMC4377746 DOI: 10.1093/ckj/sfu024] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2013] [Accepted: 02/21/2014] [Indexed: 12/24/2022] Open
Abstract
We treated a 61-year-old man with immunoglobulin (Ig)G4-related kidney disease (IgG4-RKD). He had a history of allergic diseases and an allergic reaction and had received a diagnosis of autoimmune pancreatitis (AIP). He had also received a diagnosis of renal cell carcinoma (RCC) and had undergone segmental resection of the left kidney at 59 years of age. His serum amylase level and number of peripheral eosinophils increased after RCC development. We hypothesized that the RCC may have induced AIP and IgG4-RKD and we therefore examined the excised RCC tissue; typical findings of IgG4-RKD associated with RCC were recognized. We next evaluated the mRNA expression of cytokines in the excised tissues of this case and ten other ordinary RCC cases. In all cases, notable levels of IL-10 mRNA and high levels of TGF-β mRNA were seen. Although prominent differences were not observed in the mRNA expression of Th1, Th17 and Treg cytokines in all cases, the present case alone showed increased production of the Th2 cytokines IL-4 and IL-5, which were not detected in ordinary RCC cases. Although the mechanism underlying IgG4-RKD development has not yet been determined, Th2 and Treg cells are thought to play a prominent role in the pathogenesis. It is therefore likely that in this case, the association of these two diseases was not coincidental, and a distinct immune response against RCC may trigger IgG4-RKD development.
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Affiliation(s)
- Renya Watanabe
- Division of Nephrology and Rheumatology, Department of Internal Medicine , Fukuoka University , Fukuoka , Japan
| | - Tetsuhiko Yasuno
- Division of Nephrology and Rheumatology, Department of Internal Medicine , Fukuoka University , Fukuoka , Japan
| | - Satoshi Hisano
- Department of Pathology, Faculty of Medicine , Fukuoka University , Fukuoka , Japan
| | - Yoshie Sasatomi
- Division of Nephrology and Rheumatology, Department of Internal Medicine , Fukuoka University , Fukuoka , Japan
| | - Hitoshi Nakashima
- Division of Nephrology and Rheumatology, Department of Internal Medicine , Fukuoka University , Fukuoka , Japan
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Huang CH, Jeng WJ, Ho YP, Teng W, Chen WT, Chen YC, Lin SM, Chiu CT, Sheen IS, Lin CY. Increased regulatory T cells in patients with liver cirrhosis correlated with hyperbilirubinemia and predict bacterial complications. J Gastroenterol Hepatol 2015; 30:775-83. [PMID: 25250558 DOI: 10.1111/jgh.12781] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 09/08/2014] [Indexed: 12/21/2022]
Abstract
BACKGROUND AND AIM Patients with liver cirrhosis (LC) were regarded as immunocompromised status with high incidence of bacterial infection. Regulatory T cell (Treg cell) is known as an immune suppressor and also plays an important role in patients with sepsis. This paper aims to study the role of Treg cells in patients with liver cirrhosis and their correlations to bacterial complications. METHODS Thirty-three normal controls (NC) and 82 cirrhotic patients were enrolled for the case-control study. The Treg cells, defined as CD4+ CD25+ Foxp3+ T cells, in peripheral blood of these patients were evaluated. RESULTS The percentage of Treg cells increased significantly in patients with liver cirrhosis when compared with normal volunteers. Furthermore, this increase of Treg cells was mainly memory phenotype defined as CD45RO+ Treg cells and was significantly correlated with serum bilirubin levels as evaluated by multiple linear regression analysis. In addition, the tumor necrosis factor (TNF)-α receptor II (TNFRII) expression also significantly increased on Treg cells in these patients. Interestingly, these membranous TNFRII would be shed and released into supernatant. Lastly, this increased percentage of Treg cells in cirrhotic patients correlate well with and predict subsequent bacterial complications. CONCLUSION The Treg cells, mainly with memory phenotype and with high TNFRII expression, increased significantly in patients with liver cirrhosis and significantly correlated with the serum bilirubin levels. Furthermore, this increased Treg cells correlate with and predict subsequent bacterial complications in cirrhotic patients.
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Affiliation(s)
- Chien-Hao Huang
- Department of Gastroenterology and Hepatology, Chang-Gung Memorial Hospital, Linkou Medical Center, Taoyuan, Taiwan; Graduate Institute of Clinical Medical Sciences, College of Medicine, Chang-Gung University, Taoyuan, Taiwan
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Agarwal R, Dhooria S, Aggarwal AN, Maturu VN, Sehgal IS, Muthu V, Prasad KT, Yenge LB, Singh N, Behera D, Jindal SK, Gupta D, Balamugesh T, Bhalla A, Chaudhry D, Chhabra SK, Chokhani R, Chopra V, Dadhwal DS, D’Souza G, Garg M, Gaur SN, Gopal B, Ghoshal AG, Guleria R, Gupta KB, Haldar I, Jain S, Jain NK, Jain VK, Janmeja AK, Kant S, Kashyap S, Khilnani GC, Kishan J, Kumar R, Koul PA, Mahashur A, Mandal AK, Malhotra S, Mohammed S, Mohapatra PR, Patel D, Prasad R, Ray P, Samaria JK, Singh PS, Sawhney H, Shafiq N, Sharma N, Sidhu UPS, Singla R, Suri JC, Talwar D, Varma S. Guidelines for diagnosis and management of bronchial asthma: Joint ICS/NCCP (I) recommendations. Lung India 2015; 32:S3-S42. [PMID: 25948889 PMCID: PMC4405919 DOI: 10.4103/0970-2113.154517] [Citation(s) in RCA: 46] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Affiliation(s)
- Ritesh Agarwal
- Department of Pulmonary Medicine, Postgraduate Institute of Medical Education and Research (PGIMER), Indian Chest Society and National College of Chest Physicians, Chandigarh, Punjab, India
| | - Sahajal Dhooria
- Department of Pulmonary Medicine, Postgraduate Institute of Medical Education and Research (PGIMER), Indian Chest Society and National College of Chest Physicians, Chandigarh, Punjab, India
| | - Ashutosh Nath Aggarwal
- Department of Pulmonary Medicine, Postgraduate Institute of Medical Education and Research (PGIMER), Indian Chest Society and National College of Chest Physicians, Chandigarh, Punjab, India
| | - Venkata N Maturu
- Department of Pulmonary Medicine, Postgraduate Institute of Medical Education and Research (PGIMER), Indian Chest Society and National College of Chest Physicians, Chandigarh, Punjab, India
| | - Inderpaul S Sehgal
- Department of Pulmonary Medicine, Postgraduate Institute of Medical Education and Research (PGIMER), Indian Chest Society and National College of Chest Physicians, Chandigarh, Punjab, India
| | - Valliappan Muthu
- Department of Pulmonary Medicine, Postgraduate Institute of Medical Education and Research (PGIMER), Indian Chest Society and National College of Chest Physicians, Chandigarh, Punjab, India
| | - Kuruswamy T Prasad
- Department of Pulmonary Medicine, Postgraduate Institute of Medical Education and Research (PGIMER), Indian Chest Society and National College of Chest Physicians, Chandigarh, Punjab, India
| | - Lakshmikant B Yenge
- Department of Pulmonary Medicine, Postgraduate Institute of Medical Education and Research (PGIMER), Indian Chest Society and National College of Chest Physicians, Chandigarh, Punjab, India
| | - Navneet Singh
- Department of Pulmonary Medicine, Postgraduate Institute of Medical Education and Research (PGIMER), Indian Chest Society and National College of Chest Physicians, Chandigarh, Punjab, India
| | - Digambar Behera
- Department of Pulmonary Medicine, Postgraduate Institute of Medical Education and Research (PGIMER), Indian Chest Society and National College of Chest Physicians, Chandigarh, Punjab, India
| | - Surinder K Jindal
- Department of Pulmonary Medicine, Postgraduate Institute of Medical Education and Research (PGIMER), Indian Chest Society and National College of Chest Physicians, Chandigarh, Punjab, India
| | - Dheeraj Gupta
- Department of Pulmonary Medicine, Postgraduate Institute of Medical Education and Research (PGIMER), Indian Chest Society and National College of Chest Physicians, Chandigarh, Punjab, India
| | - Thanagakunam Balamugesh
- Department of Pulmonary Medicine, Postgraduate Institute of Medical Education and Research (PGIMER), Indian Chest Society and National College of Chest Physicians, Chandigarh, Punjab, India
| | - Ashish Bhalla
- Department of Pulmonary Medicine, Postgraduate Institute of Medical Education and Research (PGIMER), Indian Chest Society and National College of Chest Physicians, Chandigarh, Punjab, India
| | - Dhruva Chaudhry
- Department of Pulmonary Medicine, Postgraduate Institute of Medical Education and Research (PGIMER), Indian Chest Society and National College of Chest Physicians, Chandigarh, Punjab, India
| | - Sunil K Chhabra
- Department of Pulmonary Medicine, Postgraduate Institute of Medical Education and Research (PGIMER), Indian Chest Society and National College of Chest Physicians, Chandigarh, Punjab, India
| | - Ramesh Chokhani
- Department of Pulmonary Medicine, Postgraduate Institute of Medical Education and Research (PGIMER), Indian Chest Society and National College of Chest Physicians, Chandigarh, Punjab, India
| | - Vishal Chopra
- Department of Pulmonary Medicine, Postgraduate Institute of Medical Education and Research (PGIMER), Indian Chest Society and National College of Chest Physicians, Chandigarh, Punjab, India
| | - Devendra S Dadhwal
- Department of Pulmonary Medicine, Postgraduate Institute of Medical Education and Research (PGIMER), Indian Chest Society and National College of Chest Physicians, Chandigarh, Punjab, India
| | - George D’Souza
- Department of Pulmonary Medicine, Postgraduate Institute of Medical Education and Research (PGIMER), Indian Chest Society and National College of Chest Physicians, Chandigarh, Punjab, India
| | - Mandeep Garg
- Department of Pulmonary Medicine, Postgraduate Institute of Medical Education and Research (PGIMER), Indian Chest Society and National College of Chest Physicians, Chandigarh, Punjab, India
| | - Shailendra N Gaur
- Department of Pulmonary Medicine, Postgraduate Institute of Medical Education and Research (PGIMER), Indian Chest Society and National College of Chest Physicians, Chandigarh, Punjab, India
| | - Bharat Gopal
- Department of Pulmonary Medicine, Postgraduate Institute of Medical Education and Research (PGIMER), Indian Chest Society and National College of Chest Physicians, Chandigarh, Punjab, India
| | - Aloke G Ghoshal
- Department of Pulmonary Medicine, Postgraduate Institute of Medical Education and Research (PGIMER), Indian Chest Society and National College of Chest Physicians, Chandigarh, Punjab, India
| | - Randeep Guleria
- Department of Pulmonary Medicine, Postgraduate Institute of Medical Education and Research (PGIMER), Indian Chest Society and National College of Chest Physicians, Chandigarh, Punjab, India
| | - Krishna B Gupta
- Department of Pulmonary Medicine, Postgraduate Institute of Medical Education and Research (PGIMER), Indian Chest Society and National College of Chest Physicians, Chandigarh, Punjab, India
| | - Indranil Haldar
- Department of Pulmonary Medicine, Postgraduate Institute of Medical Education and Research (PGIMER), Indian Chest Society and National College of Chest Physicians, Chandigarh, Punjab, India
| | - Sanjay Jain
- Department of Pulmonary Medicine, Postgraduate Institute of Medical Education and Research (PGIMER), Indian Chest Society and National College of Chest Physicians, Chandigarh, Punjab, India
| | - Nirmal K Jain
- Department of Pulmonary Medicine, Postgraduate Institute of Medical Education and Research (PGIMER), Indian Chest Society and National College of Chest Physicians, Chandigarh, Punjab, India
| | - Vikram K Jain
- Department of Pulmonary Medicine, Postgraduate Institute of Medical Education and Research (PGIMER), Indian Chest Society and National College of Chest Physicians, Chandigarh, Punjab, India
| | - Ashok K Janmeja
- Department of Pulmonary Medicine, Postgraduate Institute of Medical Education and Research (PGIMER), Indian Chest Society and National College of Chest Physicians, Chandigarh, Punjab, India
| | - Surya Kant
- Department of Pulmonary Medicine, Postgraduate Institute of Medical Education and Research (PGIMER), Indian Chest Society and National College of Chest Physicians, Chandigarh, Punjab, India
| | - Surender Kashyap
- Department of Pulmonary Medicine, Postgraduate Institute of Medical Education and Research (PGIMER), Indian Chest Society and National College of Chest Physicians, Chandigarh, Punjab, India
| | - Gopi C Khilnani
- Department of Pulmonary Medicine, Postgraduate Institute of Medical Education and Research (PGIMER), Indian Chest Society and National College of Chest Physicians, Chandigarh, Punjab, India
| | - Jai Kishan
- Department of Pulmonary Medicine, Postgraduate Institute of Medical Education and Research (PGIMER), Indian Chest Society and National College of Chest Physicians, Chandigarh, Punjab, India
| | - Raj Kumar
- Department of Pulmonary Medicine, Postgraduate Institute of Medical Education and Research (PGIMER), Indian Chest Society and National College of Chest Physicians, Chandigarh, Punjab, India
| | - Parvaiz A Koul
- Department of Pulmonary Medicine, Postgraduate Institute of Medical Education and Research (PGIMER), Indian Chest Society and National College of Chest Physicians, Chandigarh, Punjab, India
| | - Ashok Mahashur
- Department of Pulmonary Medicine, Postgraduate Institute of Medical Education and Research (PGIMER), Indian Chest Society and National College of Chest Physicians, Chandigarh, Punjab, India
| | - Amit K Mandal
- Department of Pulmonary Medicine, Postgraduate Institute of Medical Education and Research (PGIMER), Indian Chest Society and National College of Chest Physicians, Chandigarh, Punjab, India
| | - Samir Malhotra
- Department of Pulmonary Medicine, Postgraduate Institute of Medical Education and Research (PGIMER), Indian Chest Society and National College of Chest Physicians, Chandigarh, Punjab, India
| | - Sabir Mohammed
- Department of Pulmonary Medicine, Postgraduate Institute of Medical Education and Research (PGIMER), Indian Chest Society and National College of Chest Physicians, Chandigarh, Punjab, India
| | - Prasanta R Mohapatra
- Department of Pulmonary Medicine, Postgraduate Institute of Medical Education and Research (PGIMER), Indian Chest Society and National College of Chest Physicians, Chandigarh, Punjab, India
| | - Dharmesh Patel
- Department of Pulmonary Medicine, Postgraduate Institute of Medical Education and Research (PGIMER), Indian Chest Society and National College of Chest Physicians, Chandigarh, Punjab, India
| | - Rajendra Prasad
- Department of Pulmonary Medicine, Postgraduate Institute of Medical Education and Research (PGIMER), Indian Chest Society and National College of Chest Physicians, Chandigarh, Punjab, India
| | - Pallab Ray
- Department of Pulmonary Medicine, Postgraduate Institute of Medical Education and Research (PGIMER), Indian Chest Society and National College of Chest Physicians, Chandigarh, Punjab, India
| | - Jai K Samaria
- Department of Pulmonary Medicine, Postgraduate Institute of Medical Education and Research (PGIMER), Indian Chest Society and National College of Chest Physicians, Chandigarh, Punjab, India
| | - Potsangbam Sarat Singh
- Department of Pulmonary Medicine, Postgraduate Institute of Medical Education and Research (PGIMER), Indian Chest Society and National College of Chest Physicians, Chandigarh, Punjab, India
| | - Honey Sawhney
- Department of Pulmonary Medicine, Postgraduate Institute of Medical Education and Research (PGIMER), Indian Chest Society and National College of Chest Physicians, Chandigarh, Punjab, India
| | - Nusrat Shafiq
- Department of Pulmonary Medicine, Postgraduate Institute of Medical Education and Research (PGIMER), Indian Chest Society and National College of Chest Physicians, Chandigarh, Punjab, India
| | - Navneet Sharma
- Department of Pulmonary Medicine, Postgraduate Institute of Medical Education and Research (PGIMER), Indian Chest Society and National College of Chest Physicians, Chandigarh, Punjab, India
| | - Updesh Pal S Sidhu
- Department of Pulmonary Medicine, Postgraduate Institute of Medical Education and Research (PGIMER), Indian Chest Society and National College of Chest Physicians, Chandigarh, Punjab, India
| | - Rupak Singla
- Department of Pulmonary Medicine, Postgraduate Institute of Medical Education and Research (PGIMER), Indian Chest Society and National College of Chest Physicians, Chandigarh, Punjab, India
| | - Jagdish C Suri
- Department of Pulmonary Medicine, Postgraduate Institute of Medical Education and Research (PGIMER), Indian Chest Society and National College of Chest Physicians, Chandigarh, Punjab, India
| | - Deepak Talwar
- Department of Pulmonary Medicine, Postgraduate Institute of Medical Education and Research (PGIMER), Indian Chest Society and National College of Chest Physicians, Chandigarh, Punjab, India
| | - Subhash Varma
- Department of Pulmonary Medicine, Postgraduate Institute of Medical Education and Research (PGIMER), Indian Chest Society and National College of Chest Physicians, Chandigarh, Punjab, India
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Hinks TSC, Zhou X, Staples KJ, Dimitrov BD, Manta A, Petrossian T, Lum PY, Smith CG, Ward JA, Howarth PH, Walls AF, Gadola SD, Djukanović R. Innate and adaptive T cells in asthmatic patients: Relationship to severity and disease mechanisms. J Allergy Clin Immunol 2015; 136:323-33. [PMID: 25746968 PMCID: PMC4534770 DOI: 10.1016/j.jaci.2015.01.014] [Citation(s) in RCA: 161] [Impact Index Per Article: 17.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2014] [Revised: 01/12/2015] [Accepted: 01/16/2015] [Indexed: 01/10/2023]
Abstract
Background Asthma is a chronic inflammatory disease involving diverse cells and mediators whose interconnectivity and relationships to asthma severity are unclear. Objective We performed a comprehensive assessment of TH17 cells, regulatory T cells, mucosal-associated invariant T (MAIT) cells, other T-cell subsets, and granulocyte mediators in asthmatic patients. Methods Sixty patients with mild-to-severe asthma and 24 control subjects underwent detailed clinical assessment and provided induced sputum, endobronchial biopsy, bronchoalveolar lavage, and blood samples. Adaptive and invariant T-cell subsets, cytokines, mast cells, and basophil mediators were analyzed. Results Significant heterogeneity of T-cell phenotypes was observed, with levels of IL-13–secreting T cells and type 2 cytokines increased at some, but not all, asthma severities. TH17 cells and γδ-17 cells, proposed drivers of neutrophilic inflammation, were not strongly associated with asthma, even in severe neutrophilic forms. MAIT cell frequencies were strikingly reduced in both blood and lung tissue in relation to corticosteroid therapy and vitamin D levels, especially in patients with severe asthma in whom bronchoalveolar lavage regulatory T-cell numbers were also reduced. Bayesian network analysis identified complex relationships between pathobiologic and clinical parameters. Topological data analysis identified 6 novel clusters that are associated with diverse underlying disease mechanisms, with increased mast cell mediator levels in patients with severe asthma both in its atopic (type 2 cytokine–high) and nonatopic forms. Conclusion The evidence for a role for TH17 cells in patients with severe asthma is limited. Severe asthma is associated with a striking deficiency of MAIT cells and high mast cell mediator levels. This study provides proof of concept for disease mechanistic networks in asthmatic patients with clusters that could inform the development of new therapies.
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Affiliation(s)
- Timothy S C Hinks
- Clinical and Experimental Sciences, University of Southampton Faculty of Medicine, Sir Henry Wellcome Laboratories, Southampton University Hospital, Southampton, United Kingdom; NIHR Southampton Respiratory Biomedical Research Unit, Southampton University Hospital, Southampton, United Kingdom
| | - Xiaoying Zhou
- Clinical and Experimental Sciences, University of Southampton Faculty of Medicine, Sir Henry Wellcome Laboratories, Southampton University Hospital, Southampton, United Kingdom
| | - Karl J Staples
- Clinical and Experimental Sciences, University of Southampton Faculty of Medicine, Sir Henry Wellcome Laboratories, Southampton University Hospital, Southampton, United Kingdom
| | - Borislav D Dimitrov
- NIHR Southampton Respiratory Biomedical Research Unit, Southampton University Hospital, Southampton, United Kingdom; Primary Care and Population Sciences, University of Southampton Faculty of Medicine, Southampton University Hospital, Southampton, United Kingdom
| | | | | | | | - Caroline G Smith
- Primary Care and Population Sciences, University of Southampton Faculty of Medicine, Southampton University Hospital, Southampton, United Kingdom
| | - Jon A Ward
- Clinical and Experimental Sciences, University of Southampton Faculty of Medicine, Sir Henry Wellcome Laboratories, Southampton University Hospital, Southampton, United Kingdom; NIHR Southampton Respiratory Biomedical Research Unit, Southampton University Hospital, Southampton, United Kingdom
| | - Peter H Howarth
- Clinical and Experimental Sciences, University of Southampton Faculty of Medicine, Sir Henry Wellcome Laboratories, Southampton University Hospital, Southampton, United Kingdom; NIHR Southampton Respiratory Biomedical Research Unit, Southampton University Hospital, Southampton, United Kingdom
| | - Andrew F Walls
- Clinical and Experimental Sciences, University of Southampton Faculty of Medicine, Sir Henry Wellcome Laboratories, Southampton University Hospital, Southampton, United Kingdom
| | - Stephan D Gadola
- Clinical and Experimental Sciences, University of Southampton Faculty of Medicine, Sir Henry Wellcome Laboratories, Southampton University Hospital, Southampton, United Kingdom; Novartis Institute of Biomedical Research, Novartis, Basel, Switzerland
| | - Ratko Djukanović
- Clinical and Experimental Sciences, University of Southampton Faculty of Medicine, Sir Henry Wellcome Laboratories, Southampton University Hospital, Southampton, United Kingdom; NIHR Southampton Respiratory Biomedical Research Unit, Southampton University Hospital, Southampton, United Kingdom.
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47
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Hanci D, Şahin E, Muluk NB, Cingi C. Immunotherapy in all aspects. Eur Arch Otorhinolaryngol 2015; 273:1347-55. [PMID: 25673026 DOI: 10.1007/s00405-015-3553-5] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2014] [Accepted: 02/05/2015] [Indexed: 01/02/2023]
Abstract
Allergen immunotherapy is a form of long-term treatment that decreases symptoms for many people with allergic rhinitis, allergic asthma, conjunctivitis (eye allergy) or stinging insect allergy. In this review, we presented the important topics in immunotherapy. The important aspects of immunotherapy are considered to be "Immunologıcal responses to immunotherapy"; "The principal types of immunotherapy"; "Effectiveness"; "Indications"; "Contraindications"; "Allergen immunotherapy in children"; "Safety"; and "Anaphylactic reactions after immunotherapy". The principal types of immunotherapy are subcutaneous immunotherapy (SCIT) and sublingual immunotherapy. Both of them can be used in indicated cases. When using SCIT, physicians must be more careful because of reported rare fatal cases. The risks and benefits of continuing allergen immunotherapy in patients who have experienced severe systemic reactions should be carefully considered.
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Affiliation(s)
- Deniz Hanci
- Okmeydanı Training and Research Hospital, ENT Clinics, Istanbul, Turkey
| | - Ethem Şahin
- Bayındır Göztepe Hospital, ENT Clinics, Istanbul, Turkey
| | - Nuray Bayar Muluk
- ENT Department, Medical Faculty, Kırıkkale University, Kirikkale, Turkey. .,, Birlik Mahallesi, Zirvekent 2. Etap Sitesi, C-3 blok, No: 62/43, 06610, Çankaya, Ankara, Turkey.
| | - Cemal Cingi
- ENT Department, Medical Faculty, Eskisehir Osmangazi University, Eskisehir, Turkey
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Kawamura E, Hisano S, Nakashima H, Takeshita M, Saito T. Immunohistological analysis for immunological response and mechanism of interstitial fibrosis in IgG4-related kidney disease. Mod Rheumatol 2015; 25:571-8. [PMID: 25547019 DOI: 10.3109/14397595.2014.1001474] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
OBJECTIVES Our study aimed to clarify the immunological characteristics and the mechanism of interstitial fibrosis in immunoglobulin G4-related kidney disease (IgG4-RKD) by the immunohistological analysis. METHODS Immunohistological study was performed in the biopsied renal tissues of 16 IgG4-RKD, 16 Sjögren syndrome (SJS), and 17 idiopathic tubulointerstitial nephritis (ITIN) patients using antibodies against IgG; IgG1; IgG4; CD38; CD3; C-X-C chemokine receptor type 3 (CXCR3); chemokine (C-C motif) receptor 4 (CCR4); forkhead box 3 (Foxp3); Type I, Type III, Type IV, and Type VI collagens; and transforming growth factor (TGF)-β1. RESULTS Interstitial lymphoplasmacytic and eosinophilic infiltration and the severity of interstitial fibrosis were greater in IgG4-RKD than SJS and ITIN. The ratio of CXCR3+/CD3 + cells was greater in SJS as compared with that in IgG4-RKD and ITIN. The ratio of CCR4+/CD3 + cells was not different among the three diseases. The ratio of interstitial IgG4+/IgG+ plasma cells, Foxp3+/CD3 + cells, and TGF-β1 + cells/total infiltrating cells was higher in IgG4-RKD than SJS and ITIN. There was a positive correlation between the ratio of Foxp3+/CD3 + cells and that of IgG4+/IgG+ plasma cells in IgG4-RKD. Significant correlation was found between the ratio of Foxp3+/CD3 + cells and that of TGF-β1 + cells/total infiltrating cells in IgG4-RKD. Foxp3 + cells and TGF-β1 + cells were colocalized in the interstitium in IgG4-RKD. The significant correlation between the ratio of TGF-β1 + cells/total infiltrating cells and the severity of fibrosis was noticed in IgG4-RKD. The interstitial distribution of type III collagen and type IV collagen was higher in IgG4-RKD than in SJS. CONCLUSIONS Our results suggest that regulatory T-cells (Tregs) may play a central role in IgG4 production in the interstitium and TGF-β1 induced by Tregs may play a pivotal role in the interstitial fibrosis including type III and type IV collagens in IgG4-RKD.
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Affiliation(s)
- Eiichi Kawamura
- Division of Nephrology and Rheumatology, Department of Internal Medicine, Fukuoka University , Fukuoka , Japan
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Moreno Amor AL, Santos LN, Alcântara Galvão A, Medeiros de Andrade Belitardo EM, Santos Silva E, Alcântara-Neves NM, Pontes-de-Carvalho L. Candidin and trichophytin stimulate the production of Th1 and regulatory cytokines by peripheral blood mononuclear cells: implication for their use as adjuvants in immunotherapy. Immunotherapy 2014; 6:1255-64. [DOI: 10.2217/imt.14.89] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022] Open
Abstract
Aim: This study's objective was to investigate whether candidin or trichophytin elicit recall immune responses that could potentially inhibit a Th2 response. Materials & methods: Peripheral blood mononuclear cells from nine allergic and seven nonallergic individuals were cultivated in vitro in the presence or absence of these fungal extracts. Results: Trichophytin or candidin, or both, stimulated the production of regulatory cytokines (TGF-β and/or IL-10), accompanied or not by stimulation of production of cytokines associated with the Th1 response (TNF-α, IL-12 and IFN-γ), but without stimulation of Th2 cytokines (IL-5 and IL-13) and IL-17, by peripheral blood mononuclear cells of most allergic and nonallergic individuals. Conclusion: These results indicate that these fungal extracts could be used as adjuvants in personalized therapeutic vaccines in a fair proportion of individuals. In addition, they justify the carrying out of investigations aimed at identifying molecules in these extracts that might exclusively induce Treg and/or Th1 immune responses.
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Affiliation(s)
- Ana Lúcia Moreno Amor
- Instituto de Ciências da Saúde, Departamento de Biointeração, Laboratório de Alergia e Acarologia, Universidade Federal da Bahia, Avenida Reitor Miguel Calmon, s/n, 40110-902 Canela, Salvador, Bahia, Brazil
- Centro de Ciências da Saúde, Universidade Federal do Recôncavo da Bahia, Campus do Governo, Avenida Carlos Amaral, 1015, 44570-000 Cajueiro, Santo Antônio de Jesus, Bahia, Brazil
| | - Leonardo Nascimento Santos
- Instituto de Ciências da Saúde, Departamento de Biointeração, Laboratório de Alergia e Acarologia, Universidade Federal da Bahia, Avenida Reitor Miguel Calmon, s/n, 40110-902 Canela, Salvador, Bahia, Brazil
| | - Alana Alcântara Galvão
- Instituto de Ciências da Saúde, Departamento de Biointeração, Laboratório de Alergia e Acarologia, Universidade Federal da Bahia, Avenida Reitor Miguel Calmon, s/n, 40110-902 Canela, Salvador, Bahia, Brazil
| | - Emília Maria Medeiros de Andrade Belitardo
- Instituto de Ciências da Saúde, Departamento de Biointeração, Laboratório de Alergia e Acarologia, Universidade Federal da Bahia, Avenida Reitor Miguel Calmon, s/n, 40110-902 Canela, Salvador, Bahia, Brazil
| | - Eduardo Santos Silva
- Instituto de Ciências da Saúde, Departamento de Biointeração, Laboratório de Alergia e Acarologia, Universidade Federal da Bahia, Avenida Reitor Miguel Calmon, s/n, 40110-902 Canela, Salvador, Bahia, Brazil
| | - Neuza Maria Alcântara-Neves
- Instituto de Ciências da Saúde, Departamento de Biointeração, Laboratório de Alergia e Acarologia, Universidade Federal da Bahia, Avenida Reitor Miguel Calmon, s/n, 40110-902 Canela, Salvador, Bahia, Brazil
| | - Lain Pontes-de-Carvalho
- Centro de Pesquisas Gonçalo Moniz, Fundação Oswaldo Cruz, Rua Waldemar Falcão 121, 40296-710, Salvador, Bahia, Brazil
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50
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Tsujimura Y, Inada H, Yoneda M, Fujita T, Matsuo K, Yasutomi Y. Effects of mycobacteria major secretion protein, Ag85B, on allergic inflammation in the lung. PLoS One 2014; 9:e106807. [PMID: 25192550 PMCID: PMC4156387 DOI: 10.1371/journal.pone.0106807] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2014] [Accepted: 08/06/2014] [Indexed: 12/30/2022] Open
Abstract
Many epidemiological studies have suggested that the recent increase in prevalence and severity of allergic diseases such as asthma is inversely correlated with Mycobacterium bovis bacillus Calmette Guerin (BCG) vaccination. However, the underlying mechanisms by which mycobacterial components suppress allergic diseases are not yet fully understood. Here we showed the inhibitory mechanisms for development of allergic airway inflammation by using highly purified recombinant Ag85B (rAg85B), which is one of the major protein antigens secreted from M. tuberculosis. Ag85B is thought to be a single immunogenic protein that can elicit a strong Th1-type immune response in hosts infected with mycobacteria, including individuals vaccinated with BCG. Administration of rAg85B showed a strong inhibitory effect on the development of allergic airway inflammation with induction of Th1-response and IL-17and IL-22 production. Both cytokines induced by rAg85B were involved in the induction of Th17-related cytokine-production innate immune cells in the lung. Administration of neutralizing antibodies to IL-17 or IL-22 in rAg85B-treated mice revealed that IL-17 induced the infiltration of neutrophils in BAL fluid and that allergen-induced bronchial eosinophilia was inhibited by IL-22. Furthermore, enhancement of the expression of genes associated with tissue homeostasis and wound healing was observed in bronchial tissues after rAg85B administration in a Th17-related cytokine dependent manner. The results of this study provide evidence for the potential usefulness of rAg85B as a novel approach for anti-allergic effect and tissue repair other than the role as a conventional TB vaccine.
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Affiliation(s)
- Yusuke Tsujimura
- Laboratory of Immunoregulation and Vaccine Research, Tsukuba Primate Research Center, National Institute of Biomedical Innovation, Tsukuba, Ibaraki, Japan
| | - Hiroyasu Inada
- Department of Pharmaceutical Sciences, Suzuka University of Medical Science, Suzuka, Mie, Japan
| | - Misao Yoneda
- Department of Pathologic Oncology, Institute of Molecular and Experimental Medicine, Faculty of Medicine, Mie University Graduate School of Medicine, Tsu, Mie, Japan
| | - Tomoyuki Fujita
- Research Laboratories, Kyoto R&D Center, Maruho Co., Ltd, Chudoji, Shimogyo-ku, Kyoto, Japan
| | - Kazuhiro Matsuo
- Research and Development Department, Japan BCG Laboratory, Kiyose, Tokyo, Japan
| | - Yasuhiro Yasutomi
- Laboratory of Immunoregulation and Vaccine Research, Tsukuba Primate Research Center, National Institute of Biomedical Innovation, Tsukuba, Ibaraki, Japan
- Department of Immunoregulation, Mie University Graduate School of Medicine, Tsu, Mie, Japan
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