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Tukaj S, Sitko K. Heat Shock Protein 90 (Hsp90) and Hsp70 as Potential Therapeutic Targets in Autoimmune Skin Diseases. Biomolecules 2022; 12:biom12081153. [PMID: 36009046 PMCID: PMC9405624 DOI: 10.3390/biom12081153] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2022] [Revised: 08/13/2022] [Accepted: 08/18/2022] [Indexed: 12/22/2022] Open
Abstract
Over a hundred different autoimmune diseases have been described to date, which can affect every organ in the body, including the largest one, the skin. In fact, up to one-fifth of the world's population suffers from chronic, noninfectious inflammatory skin diseases, the development of which is significantly influenced by an autoimmune response. One of the hallmarks of autoimmune diseases is the loss of immune tolerance, which leads to the formation of autoreactive lymphocytes or autoantibodies and, consequently, to chronic inflammation and tissue damage. The treatment of autoimmune skin diseases mainly focuses on immunosuppression (using, e.g., corticosteroids) but almost never leads to the development of permanent mechanisms of immune tolerance. In addition, current therapies and their long-term administration may cause serious adverse effects. Hence, safer and more effective therapies that bring sustained balance between pro- and anti-inflammatory responses are still desired. Both intra- and extracellular heat shock proteins (Hsps), specifically well-characterized inducible Hsp90 and Hsp70 chaperones, have been highlighted as therapeutic targets for autoimmune diseases. This review presents preclinical data on the involvement of Hsp90 and Hsp70 in modulating the immune response, specifically in the context of the treatment of selected autoimmune skin diseases with emphasis on autoimmune bullous skin diseases and psoriasis.
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Hoter A, Naim HY. The glucose-regulated protein GRP94 interacts avidly in the endoplasmic reticulum with sucrase-isomaltase isoforms that are associated with congenital sucrase-isomaltase deficiency. Int J Biol Macromol 2021; 186:237-243. [PMID: 34242650 DOI: 10.1016/j.ijbiomac.2021.07.030] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2021] [Revised: 07/03/2021] [Accepted: 07/03/2021] [Indexed: 11/16/2022]
Abstract
The glucose-regulated protein GRP94 is a molecular chaperone that is located in the endoplasmic reticulum (ER). Here, we demonstrate in pull down experiments an interaction between GRP94 and sucrase-isomaltase (SI), the most prominent disaccharidase of the small intestine. GRP94 binds to SI exclusively via its mannose-rich form compatible with an interaction occurring in the ER. We have also examined the interaction GRP94 to a panel of SI mutants that are associated with congenital sucrase-isomaltase deficiency (CSID). These mutants exhibited more efficient binding to GRP94 than wild type SI underlining a specific role of this chaperone in the quality control in the ER. In view of the hypoxic milieu of the intestine, we probed the interaction of GRP94 to SI and its mutants in cell culture under hypoxic conditions and observed a substantial increase in the binding of GRP94 to the SI mutants. The interaction of GRP94 to the major carbohydrate digesting enzyme and regulating its folding as well as retaining SI mutants in the ER points to a potential role of GRP94 in maintenance of intestinal homeostasis by chaperoning and stabilizing SI.
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Affiliation(s)
- Abdullah Hoter
- Department of Biochemistry, University of Veterinary Medicine Hannover, Hannover, Germany
| | - Hassan Y Naim
- Department of Biochemistry, University of Veterinary Medicine Hannover, Hannover, Germany.
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Silva CL, Malardo T, Tahyra ASC. Immunotherapeutic Activities of a DNA Plasmid Carrying the Mycobacterial hsp65 Gene (DNAhsp65). FRONTIERS IN MEDICAL TECHNOLOGY 2020; 2:603690. [PMID: 35047886 PMCID: PMC8757890 DOI: 10.3389/fmedt.2020.603690] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2020] [Accepted: 11/19/2020] [Indexed: 11/13/2022] Open
Abstract
DNA vaccines have become relevant subject matter, and efforts for their development have been increasing due to their potential as technology platforms applicable for prophylactic and therapeutic approaches for infectious diseases and for cancer treatment, allergies, and autoimmune diseases. This review aimed to summarize current knowledge about the plasmid DNA vaccine carrying the mycobacterial hsp65 gene (DNAhsp65), which demonstrates immunomodulatory and immunoregulatory properties of both the innate and adaptive immune systems. The possible mechanisms associated with the modulation and regulatory role of DNAhsp65 in the control of various conditions is also discussed.
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Affiliation(s)
- Celio Lopes Silva
- Department of Biochemistry and Immunology, Medical School of Ribeirão Preto, University of São Paulo, Ribeirão Preto, Brazil
- Farmacore Biotecnologia Ltda, Ribeirão Preto, Brazil
- *Correspondence: Celio Lopes Silva
| | | | - Aline Seiko Carvalho Tahyra
- Department of Biochemistry and Immunology, Medical School of Ribeirão Preto, University of São Paulo, Ribeirão Preto, Brazil
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Lima D, ZÁrate-Bladés C, Souza P, Trombone A, Santos-Junior R, Brandão L, Masson A, Bonato V, Coelho-Castelo A, Sartori A, Vendramini M, Soares E, Benvenutti L, Silva C, Coelho V. No Evidence of Pathological Autoimmunity following Mycobacterium Leprae Heat-Shock Protein 65-Dna Vaccination in Mice. EUR J INFLAMM 2017. [DOI: 10.1177/1721727x0900700204] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
Heat-shock proteins (HSPs) are currently one of the most promising targets for the development of immunotherapy against tumours and autoimmune disorders. This protein family has the capacity to activate or modulate the function of different immune system cells. They induce the activation of monocytes, macrophages and dendritic cells, and contribute to cross-priming, an important mechanism of presentation of exogenous antigen in the context of MHC class I molecules. These various immunological properties of HSP have encouraged their use in several clinical trials. Nevertheless, an important issue regarding these proteins is whether the high homology among HSPs across different species may trigger the breakdown of immune tolerance and induce autoimmune diseases. We have developed a DNA vaccine codifying the Mycobacterium leprae Hsp65 (DNAhsp65), which showed to be highly immunogenic and protective against experimental tuberculosis. Here, we address the question of whether DNAhsp65 immunization could induce pathological autoimmunity in mice. Our results show that DNAhsp65 vaccination induced antibodies that can recognize the human Hsp60 but did not induce harmful effects in 16 different organs analysed by histopathology up to 210 days after vaccination. We also showed that anti-DNA antibodies were not elicited after DNA vaccination. The results are important for the development of both HSP and DNA-based immunomodulatory agents.
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Affiliation(s)
- D.S. Lima
- The Centre for Tuberculosis Research, Department of Biochemistry and Immunology, Medicine School of Ribeirão Preto, University of São Paulo, São Paulo
| | - C.R. ZÁrate-Bladés
- The Centre for Tuberculosis Research, Department of Biochemistry and Immunology, Medicine School of Ribeirão Preto, University of São Paulo, São Paulo
| | - P.R.M. Souza
- The Centre for Tuberculosis Research, Department of Biochemistry and Immunology, Medicine School of Ribeirão Preto, University of São Paulo, São Paulo
| | - A.P. Trombone
- The Centre for Tuberculosis Research, Department of Biochemistry and Immunology, Medicine School of Ribeirão Preto, University of São Paulo, São Paulo
| | - R.R. Santos-Junior
- Department of Clinical Analyses, Faculty of Pharmaceutical Sciences, São Paulo State University, Araraquara, São Paulo
| | - Lt. Brandão
- The Centre for Tuberculosis Research, Department of Biochemistry and Immunology, Medicine School of Ribeirão Preto, University of São Paulo, São Paulo
| | - A.P. Masson
- The Centre for Tuberculosis Research, Department of Biochemistry and Immunology, Medicine School of Ribeirão Preto, University of São Paulo, São Paulo
| | - V.L. Bonato
- The Centre for Tuberculosis Research, Department of Biochemistry and Immunology, Medicine School of Ribeirão Preto, University of São Paulo, São Paulo
| | - A.A.M. Coelho-Castelo
- The Centre for Tuberculosis Research, Department of Biochemistry and Immunology, Medicine School of Ribeirão Preto, University of São Paulo, São Paulo
| | - A. Sartori
- Department of Microbiology and Immunology, Biosciences Institute, São Paulo State University, Botucatu, São Paulo
| | - M. Vendramini
- Department of Pathology, University of São Paulo Medical School, São Paulo
| | - E.G. Soares
- Department of Pathology, School of Medicine of Ribeirão Preto, University of São Paulo, Ribeirão Preto, São Paulo
| | - L.A. Benvenutti
- Department of Pathology, University of São Paulo Medical School, São Paulo
| | - C.L. Silva
- The Centre for Tuberculosis Research, Department of Biochemistry and Immunology, Medicine School of Ribeirão Preto, University of São Paulo, São Paulo
| | - V. Coelho
- Heart Institute (InCor), University of São Paulo Medical School, São Paulo
- Institute for Investigation in Immunology, National Institute of Science and Technology -INCT, São Paulo, Brazil
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Chebotareva N, Bobkova I, Shilov E. Heat shock proteins and kidney disease: perspectives of HSP therapy. Cell Stress Chaperones 2017; 22:319-343. [PMID: 28409327 PMCID: PMC5425374 DOI: 10.1007/s12192-017-0790-0] [Citation(s) in RCA: 57] [Impact Index Per Article: 8.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2016] [Revised: 02/11/2017] [Accepted: 03/20/2017] [Indexed: 12/11/2022] Open
Abstract
Heat shock proteins (HSPs) mediate a diverse range of cellular functions, prominently including folding and regulatory processes of cellular repair. A major property of these remarkable proteins, dependent on intracellular or extracellular location, is their capacity for immunoregulation that optimizes immune activity while avoiding hyperactivated inflammation. In this review, recent investigations are described, which examine roles of HSPs in protection of kidney tissue from various traumatic influences and demonstrate their potential for clinical management of nephritic disease. The HSP70 class is particularly attractive in this respect due to its multiple protective effects. The review also summarizes current understanding of HSP bioactivity in the pathophysiology of various kidney diseases, including acute kidney injury, diabetic nephropathy, chronic glomerulonephritis, and lupus nephritis-along with other promising strategies for their remediation, such as DNA vaccination.
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Affiliation(s)
- Natalia Chebotareva
- I.M. Sechenov First Moscow State Medical University, 2-4 Bolshaya Pirogovskaya st., Moscow, Russia, 119992.
| | - Irina Bobkova
- I.M. Sechenov First Moscow State Medical University, 2-4 Bolshaya Pirogovskaya st., Moscow, Russia, 119992
| | - Evgeniy Shilov
- I.M. Sechenov First Moscow State Medical University, 2-4 Bolshaya Pirogovskaya st., Moscow, Russia, 119992
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McCarty MF, Al-Harbi SA. Vaccination with heat-shocked mononuclear cells as a strategy for treating neurodegenerative disorders driven by microglial inflammation. Med Hypotheses 2013; 81:773-6. [PMID: 23968572 DOI: 10.1016/j.mehy.2013.08.003] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2013] [Revised: 07/29/2013] [Accepted: 08/04/2013] [Indexed: 11/26/2022]
Abstract
Naturally occurring T regulatory cells targeting epitopes derived from various heat shock proteins escape thymic negative selection and can be activated by vaccination with heat shock proteins; hence, vaccination with such proteins has exerted favorable effects on rodent models of autoimmune disorders. A more elegant way to achieve such vaccination, first evaluated clinically by Al-Harbi in the early 1990s, is to subject mononuclear cells to survivable heat shock ex vivo, incubate them at physiological temperature for a further 24-48 h, and then inject them subcutaneously; anecdotally, beneficial effects were observed with this strategy in a wide range of autoimmune and inflammatory conditions. There is growing evidence that M1-activated microglia play a primary or secondary role in the pathogenesis of numerous neurodegenerative diseases, as well as in major depression. T regulatory cells, by polarizing microglial toward a reparative M2 phenotype, have the potential to aid control of such disorders. It would be appropriate to test the heat-shocked mononuclear cell vaccination strategy in animal models of neurodegeneration and major depression, and to evaluate this approach clinically if such studies yield encouraging results.
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Affiliation(s)
- Mark F McCarty
- Catalytic Longevity, 7831 Rush Rose Drive, Apt. 316, Carlsbad, California 92009, United States.
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Abstract
Systemic lupus erythematosus (SLE) is an autoimmune disease that frequently requires treatment with high doses of corticosteroids and immunosuppressive drugs. Primary defects in the innate immunity also contribute to an increased susceptibility to infections. Patients with SLE are at an increased risk for infections with several pathogens, among them Mycobacterium tuberculosis, which is a significant cause of morbidity and mortality, especially in endemic regions. TB infection requires awareness for several reasons: first, TB infection thrives under conditions of immunosuppression, may it be secondary to the disease itself or its treatment. Second, shared antigens by mycobacteria and autoantigens have been described, which may be targets for autoantibodies. We present four Brazilian patients, in whom a diagnosis of tuberculosis was determined during or following persistent flares of their disease. The association of SLE and TB is discussed, as well as different aspects of the tuberculosis infection in this selected population, and its possible role in the course of SLE.
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Ho PP, Higgins JP, Kidd BA, Tomooka B, Digennaro C, Lee LY, de Vegvar HEN, Steinman L, Robinson WH. Tolerizing DNA vaccines for autoimmune arthritis. Autoimmunity 2009; 39:675-82. [PMID: 17178564 DOI: 10.1080/08916930601061603] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
Current therapies for rheumatoid arthritis (RA) and other autoimmune diseases non-specifically suppress immune function, and there is great need for fundamental approaches such as antigen-specific tolerizing therapy. In this paper we describe development of antigen-specific tolerizing DNA vaccines to treat collagen-induced arthritis (CIA) in mice, and use of protein microarrays to monitor response to therapy and to identify potential additional autoimmune targets for next generation vaccines. We demonstrate that tolerizing DNA vaccines encoding type II collagen (CII) reduced the incidence and severity of CIA. Atorvastatin, a statin drug found to reduce the severity of autoimmunity, potentiated the effect of DNA vaccines encoding CII. Analysis of cytokines produced by collagen-reactive T cells derived from mice receiving tolerizing DNA encoding CII, as compared to control vaccines, revealed reduced production of the pro-inflammatory cytokines IFN-gamma and TNF-alpha. Arthritis microarray analysis demonstrated reduced spreading of autoantibody responses in mice treated with DNA encoding CII. The development of tolerizing DNA vaccines, and the use of antibody profiling to guide design of and to monitor therapeutic responses to such vaccines, represents a promising approach for the treatment of RA and other autoimmune diseases.
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Affiliation(s)
- Peggy P Ho
- Department of Neurology and Neurological Sciences, Stanford University School of Medicine, Stanford, CA 94305, USA
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Pelizon AC, Martins DR, Zorzella SFG, Trombone APF, Lorenzi JCC, Carvalho RF, Brandão IT, Coelho-Castelo AAM, Silva CL, Sartori A. Genetic vaccine for tuberculosis (pVAXhsp65) primes neonate mice for a strong immune response at the adult stage. GENETIC VACCINES AND THERAPY 2007; 5:12. [PMID: 18047644 PMCID: PMC2222600 DOI: 10.1186/1479-0556-5-12] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/23/2007] [Accepted: 11/29/2007] [Indexed: 11/25/2022]
Abstract
Background Vaccination of neonates is generally difficult due to the immaturity of the immune system and consequent higher susceptibility to tolerance induction. Genetic immunization has been described as an alternative to trigger a stronger immune response in neonates, including significant Th1 polarization. In this investigation we analysed the potential use of a genetic vaccine containing the heat shock protein (hsp65) from Mycobacterium leprae (pVAXhsp65) against tuberculosis (TB) in neonate mice. Aspects as antigen production, genomic integration and immunogenicity were evaluated. Methods Hsp65 message and genomic integration were evaluated by RT-PCR and Southern blot, respectively. Immunogenicity of pVAXhsp65 alone or combined with BCG was analysed by specific induction of antibodies and cytokines, both quantified by ELISA. Results This DNA vaccine was transcribed by muscular cells of neonate mice without integration into the cellular genome. Even though this vaccine was not strongly immunogenic when entirely administered (three doses) during early animal's life, it was not tolerogenic. In addition, pVAXhsp65 and BCG were equally able to prime newborn mice for a strong and mixed immune response (Th1 + Th2) to pVAXhsp65 boosters administered later, at the adult life. Conclusion These results suggest that pVAXhsp65 can be safely used as a priming stimulus in neonate animals in prime-boost similar strategies to control TB. However, priming with BCG or pVAXhsp65, directed the ensuing immune response triggered by an heterologous or homologous booster, to a mixed Th1/Th2 pattern of response. Measures as introduction of IL-12 or GM-CSF genes in the vaccine construct or even IL-4 neutralization, are probably required to increase the priming towards Th1 polarization to ensure control of tuberculosis infection.
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Affiliation(s)
- Ana Cláudia Pelizon
- Department of Microbiology and Immunology, Biosciences Institute, São Paulo State University (UNESP), Botucatu, São Paulo, 18618-000, Brazil.
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Zhang GL, Bozic I, Kwoh CK, August JT, Brusic V. Prediction of supertype-specific HLA class I binding peptides using support vector machines. J Immunol Methods 2007; 320:143-54. [PMID: 17303158 PMCID: PMC2806231 DOI: 10.1016/j.jim.2006.12.011] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2006] [Accepted: 12/20/2006] [Indexed: 12/13/2022]
Abstract
Experimental approaches for identifying T-cell epitopes are time-consuming, costly and not applicable to the large scale screening. Computer modeling methods can help to minimize the number of experiments required, enable a systematic scanning for candidate major histocompatibility complex (MHC) binding peptides and thus speed up vaccine development. We developed a prediction system based on a novel data representation of peptide/MHC interaction and support vector machines (SVM) for prediction of peptides that promiscuously bind to multiple Human Leukocyte Antigen (HLA, human MHC) alleles belonging to a HLA supertype. Ten-fold cross-validation results showed that the overall performance of SVM models is improved in comparison to our previously published methods based on hidden Markov models (HMM) and artificial neural networks (ANN), also confirmed by blind testing. At specificity 0.90, sensitivity values of SVM models were 0.90 and 0.92 for HLA-A2 and -A3 dataset respectively. Average area under the receiver operating curve (A(ROC)) of SVM models in blind testing are 0.89 and 0.92 for HLA-A2 and -A3 datasets. A(ROC) of HLA-A2 and -A3 SVM models were 0.94 and 0.95, validated using a full overlapping study of 9-mer peptides from human papillomavirus type 16 E6 and E7 proteins. In addition, a large-scale experimental dataset has been used to validate HLA-A2 and -A3 SVM models. The SVM prediction models were integrated into a web-based computational system MULTIPRED1, accessible at antigen.i2r.a-star.edu.sg/multipred1/.
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Affiliation(s)
- Guang Lan Zhang
- Institute for Infocomm Research, 21 Heng Mui Keng Terrace, Singapore 119613, Singapore
- School of Computer Engineering, Nanyang Technological University, Block N4, Nanyang Avenue, Singapore 639798, Singapore
| | - Ivana Bozic
- Faculty of Mathematics, University of Belgrade, Belgrade, Serbia and Montenegro
| | - Chee Keong Kwoh
- School of Computer Engineering, Nanyang Technological University, Block N4, Nanyang Avenue, Singapore 639798, Singapore
| | - J. Thomas August
- Department of Pharmacology and Molecular Sciences, Johns Hopkins School of Medicine, Baltimore, MD 21205, USA
| | - Vladimir Brusic
- Cancer Vaccine Center, Dana-Farber Cancer Institute, Boston, MA 02115, USA
- Corresponding author. Tel.: +1 617 632 3824; fax: +1 617 632 3351. (V. Brusic)
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Raska M, Weigl E. Heat shock proteins in autoimmune diseases. Biomed Pap Med Fac Univ Palacky Olomouc Czech Repub 2005; 149:243-9. [PMID: 16601763 DOI: 10.5507/bp.2005.033] [Citation(s) in RCA: 32] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023] Open
Abstract
Heat shock proteins (hsp's) are among the most conserved proteins in evolution. They have been identified as important pathogen-related antigens as well as autoantigens suitable for construction of novel vaccines. The high evolutionary homology of hsp's has raised the question about the safety of such vaccines. Experimental and clinical observations have confirmed that hsp proteins are involved in the regulation of some autoimmune disease such as autoimmune arthritis, type 1 diabetes mellitus, atherosclerosis, multiple sclerosis, and other autoimmune reactions. It has been shown in experimental animals that some hsp proteins (especially hsp60, hsp70, and hsp10) can either induce or prevent autoimmune reactions depending on the circumstances. This article discusses the involvement of hsp proteins in the etiology of autoimmune diseases and it presents promising experimental data on the effects of immunization with hsp proteins in the prevention and therapy of autoimmune diseases.
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Affiliation(s)
- Milan Raska
- Department of Immunology, Palacky University in Olomouc, Czech Republic.
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