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Robust Antigen Specific Th17 T Cell Response to Group A Streptococcus Is Dependent on IL-6 and Intranasal Route of Infection


Group A streptococcus (GAS, Streptococcus pyogenes) is the cause of a variety of clinical conditions, ranging from pharyngitis to autoimmune disease. Peptide-major histocompatibility complex class II (pMHCII) tetramers have recently emerged as a highly sensitive means to quantify pMHCII-specific CD4+ helper T cells and evaluate their contribution to both protective immunity and autoimmune complications induced by specific bacterial pathogens. In lieu of identifying an immunodominant peptide expressed by GAS, a surrogate peptide (2W) was fused to the highly expressed M1 protein on the surface of GAS to allow in-depth analysis of the CD4+ helper T cell response in C57BL/6 mice that express the I-Ab MHCII molecule. Following intranasal inoculation with GAS-2W, antigen-experienced 2W:I-Ab-specific CD4+ T cells were identified in the nasal-associated lymphoid tissue (NALT) that produced IL-17A or IL-17A and IFN-γ if infection was recurrent. The dominant Th17 response was also dependent on the intranasal route of inoculation; intravenous or subcutaneous inoculations produced primarily IFN-γ+ 2W:I-Ab+ CD4+ T cells. The acquisition of IL-17A production by 2W:I-Ab-specific T cells and the capacity of mice to survive infection depended on the innate cytokine IL-6. IL-6-deficient mice that survived infection became long-term carriers despite the presence of abundant IFN-γ-producing 2W:I-Ab-specific CD4+ T cells. Our results suggest that an imbalance between IL-17- and IFN-γ-producing CD4+ T cells could contribute to GAS carriage in humans.


Vyšlo v časopise: Robust Antigen Specific Th17 T Cell Response to Group A Streptococcus Is Dependent on IL-6 and Intranasal Route of Infection. PLoS Pathog 7(9): e32767. doi:10.1371/journal.ppat.1002252
Kategorie: Research Article
prolekare.web.journal.doi_sk: https://doi.org/10.1371/journal.ppat.1002252

Souhrn

Group A streptococcus (GAS, Streptococcus pyogenes) is the cause of a variety of clinical conditions, ranging from pharyngitis to autoimmune disease. Peptide-major histocompatibility complex class II (pMHCII) tetramers have recently emerged as a highly sensitive means to quantify pMHCII-specific CD4+ helper T cells and evaluate their contribution to both protective immunity and autoimmune complications induced by specific bacterial pathogens. In lieu of identifying an immunodominant peptide expressed by GAS, a surrogate peptide (2W) was fused to the highly expressed M1 protein on the surface of GAS to allow in-depth analysis of the CD4+ helper T cell response in C57BL/6 mice that express the I-Ab MHCII molecule. Following intranasal inoculation with GAS-2W, antigen-experienced 2W:I-Ab-specific CD4+ T cells were identified in the nasal-associated lymphoid tissue (NALT) that produced IL-17A or IL-17A and IFN-γ if infection was recurrent. The dominant Th17 response was also dependent on the intranasal route of inoculation; intravenous or subcutaneous inoculations produced primarily IFN-γ+ 2W:I-Ab+ CD4+ T cells. The acquisition of IL-17A production by 2W:I-Ab-specific T cells and the capacity of mice to survive infection depended on the innate cytokine IL-6. IL-6-deficient mice that survived infection became long-term carriers despite the presence of abundant IFN-γ-producing 2W:I-Ab-specific CD4+ T cells. Our results suggest that an imbalance between IL-17- and IFN-γ-producing CD4+ T cells could contribute to GAS carriage in humans.


Zdroje

1. CunninghamMW 2008 Pathogenesis of group A streptococcal infections and their sequelae. Adv Exp Med Biol 609 29 42

2. GuilhermeLFaeKOshiroSEKalilJ 2005 Molecular pathogenesis of rheumatic fever and rheumatic heart disease. Expert Rev Mol Med 7 1 15

3. CarapetisJRSteerACMulhollandEKWeberM 2005 The global burden of group A streptococcal diseases. Lancet Infect Dis 5 685 694

4. TartAHWalkerMJMusserJM 2007 New understanding of the group A Streptococcus pathogenesis cycle. Trends Microbiol 15 318 325

5. QuinnRWFederspielCF 1973 The occurrence of hemolytic streptococci in school children in Nashville, Tennessee, 1961-1967. Am J Epidemiol 97 22 33

6. MartinJMGreenMBarbadoraKAWaldER 2004 Group A streptococci among school-aged children: clinical characteristics and the carrier state. Pediatrics 114 1212 1219

7. OsterlundAPopaRNikkilaTScheyniusAEngstrandL 1997 Intracellular reservoir of Streptococcus pyogenes in vivo: a possible explanation for recurrent pharyngotonsillitis. Laryngoscope 107 640 647

8. ParkHSCostalongaMReinhardtRLDombekPEJenkinsMK 2004 Primary induction of CD4 T cell responses in nasal associated lymphoid tissue during group A streptococcal infection. Eur J Immunol 34 2843 2853

9. BettelliECarrierYGaoWKornTStromTB 2006 Reciprocal developmental pathways for the generation of pathogenic effector TH17 and regulatory T cells. Nature 441 235 238

10. WangBDileepanTBriscoeSHylandKAKangJ 2010 Induction of TGF-beta1 and TGF-beta1-dependent predominant Th17 differentiation by group A streptococcal infection. Proc Natl Acad Sci U S A 107 5937 5942

11. LuYJGrossJBogaertDFinnABagradeL 2008 Interleukin-17A mediates acquired immunity to pneumococcal colonization. PLoS Pathog 4 e1000159

12. CostalongaMClearyPPFischerLAZhaoZ 2009 Intranasal bacteria induce Th1 but not Treg or Th2. Mucosal Immunol 2 85 95

13. HatayeJMoonJJKhorutsAReillyCJenkinsMK 2006 Naive and memory CD4+ T cell survival controlled by clonal abundance. Science 312 114 116

14. CatronDMRuschLKHatayeJItanoAAJenkinsMK 2006 CD4+ T cells that enter the draining lymph nodes after antigen injection participate in the primary response and become central-memory cells. J Exp Med 203 1045 1054

15. BlairDALefrancoisL 2007 Increased competition for antigen during priming negatively impacts the generation of memory CD4 T cells. Proc Natl Acad Sci U S A 104 15045 15050

16. MoonJJChuHHHatayeJPaganAJPepperM 2009 Tracking epitope-specific T cells. Nat Protoc 4 565 581

17. ReesWBenderJTeagueTKKedlRMCrawfordF 1999 An inverse relationship between T cell receptor affinity and antigen dose during CD4(+) T cell responses in vivo and in vitro. Proc Natl Acad Sci U S A 96 9781 9786

18. DombekPECueDSedgewickJLamHRuschkowskiS 1999 High-frequency intracellular invasion of epithelial cells by serotype M1 group A streptococci: M1 protein-mediated invasion and cytoskeletal rearrangements. Mol Microbiol 31 859 870

19. MoonJJChuHHPepperMMcSorleySJJamesonSC 2007 Naive CD4(+) T cell frequency varies for different epitopes and predicts repertoire diversity and response magnitude. Immunity 27 203 213

20. PepperMLinehanJLPaganAJZellTDileepanT 2010 Different routes of bacterial infection induce long-lived TH1 memory cells and short-lived TH17 cells. Nat Immunol 11 83 89

21. LiHNoohMMKotbMReF 2008 Commercial peptidoglycan preparations are contaminated with superantigen-like activity that stimulates IL-17 production. J Leukoc Biol 83 409 418

22. AnnunziatoFRomagnaniS 2010 The transient nature of the Th17 phenotype. Eur J Immunol 40 3312 3316

23. PeckAMellinsED 2010 Plasticity of T-cell phenotype and function: the T helper type 17 example. Immunology 129 147 153

24. LeeYKTurnerHMaynardCLOliverJRChenD 2009 Late developmental plasticity in the T helper 17 lineage. Immunity 30 92 107

25. ParkHSFrancisKPYuJClearyPP 2003 Membranous cells in nasal-associated lymphoid tissue: a portal of entry for the respiratory mucosal pathogen group A streptococcus. J Immunol 171 2532 2537

26. SriskandanSFaulknerLHopkinsP 2007 Streptococcus pyogenes: Insight into the function of the streptococcal superantigens. Int J Biochem Cell Biol 39 12 19

27. JiangDLiangJFanJYuSChenS 2005 Regulation of lung injury and repair by Toll-like receptors and hyaluronan. Nat Med 11 1173 1179

28. ScheibnerKALutzMABoodooSFentonMJPowellJD 2006 Hyaluronan fragments act as an endogenous danger signal by engaging TLR2. J Immunol 177 1272 1281

29. ReynoldsJMPappuBPPengJMartinezGJZhangY 2010 Toll-like receptor 2 signaling in CD4(+) T lymphocytes promotes T helper 17 responses and regulates the pathogenesis of autoimmune disease. Immunity 32 692 702

30. SigurdardottirTBjorckVHerwaldHMorgelinMRutardottirS 2010 M1 protein from streptococcus pyogenes induces nitric oxide-mediated vascular hyporesponsiveness to phenylephrine: involvement of toll-like receptor activation. Shock 34 98 104

31. PahlmanLIMorgelinMEckertJJohanssonLRussellW 2006 Streptococcal M protein: a multipotent and powerful inducer of inflammation. J Immunol 177 1221 1228

32. NishikawaYShibataROzonoYIchinoseHMiyazakiM 2000 Streptococcal M protein enhances TGF-beta production and increases surface IgA-positive B cells in vitro in IgA nephropathy. Nephrol Dial Transplant 15 772 777

33. KornTBettelliEOukkaMKuchrooVK 2009 IL-17 and Th17 Cells. Annu Rev Immunol 27 485 517

34. DiaoHKohanawaM 2005 Endogenous interleukin-6 plays a crucial protective role in streptococcal toxic shock syndrome via suppression of tumor necrosis factor alpha production. Infect Immun 73 3745 3748

35. HylandKABrennanROlmstedSBRojasEMurphyE 2009 The early interferon response of nasal-associated lymphoid tissue to Streptococcus pyogenes infection. FEMS Immunol Med Microbiol 55 422 431

36. LinYRitcheaSLogarASlightSMessmerM 2009 Interleukin-17 is required for T helper 1 cell immunity and host resistance to the intracellular pathogen Francisella tularensis. Immunity 31 799 810

37. ContiHRShenFNayyarNStocumESunJN 2009 Th17 cells and IL-17 receptor signaling are essential for mucosal host defense against oral candidiasis. J Exp Med 206 299 311

38. IshigameHKakutaSNagaiTKadokiMNambuA 2009 Differential roles of interleukin-17A and -17F in host defense against mucoepithelial bacterial infection and allergic responses. Immunity 30 108 119

39. AranamiTYamamuraT 2008 Th17 Cells and autoimmune encephalomyelitis (EAE/MS). Allergol Int 57 115 120

40. OukkaM 2008 Th17 cells in immunity and autoimmunity. Ann Rheum Dis 67 Suppl 3 iii26 29

41. StephenJKuruvillaAJohnsonJChandiSKrishnaswamiS 1998 Pharyngeal colonisation, ADNB response and development of cardiac lesions in mice following intranasal inoculation with group A beta haemolytic streptococcus M type 18. Indian J Exp Biol 36 292 297

42. KopfMBaumannHFreerGFreudenbergMLamersM 1994 Impaired immune and acute-phase responses in interleukin-6-deficient mice. Nature 368 339 342

43. HylandKAWangBClearyPP 2007 Protein F1 and Streptococcus pyogenes resistance to phagocytosis. Infect Immun 75 3188 3191

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Hygiena a epidemiológia Infekčné lekárstvo Laboratórium

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PLOS Pathogens


2011 Číslo 9
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