While the key initiating processes that trigger human autoimmune diseases remain enigmatic, increasing evidences support the concept that microbial stimuli are among major environmental factors eliciting autoimmune diseases in genetically susceptible individuals.
Here, we present an overview of evidences obtained through various experimental models of autoimmunity for the role of microbial stimuli in disease development. Disease onset and severity have been compared in numerous models under conventional, specific-pathogen-free and germ-free conditions. The results of these experiments suggest that there is no uniform scheme that could describe the role played by infectious agents in the experimental models of autoimmunity. While some models are dependent, others prove to be completely independent of microbial stimuli. In line with the threshold hypothesis of autoimmune diseases, highly relevant genetic factors or microbial stimuli induce autoimmunity on their own, without requiring further factors. Importantly, recent evidences show that colonization of germ-free animals with certain members of the commensal flora [such as segmented filamentous bacteria (SFB)] may lead to autoimmunity. These data drive attention to the importance of the complex composition of gut flora in maintaining immune homeostasis. The intriguing observation obtained in autoimmune animal models that parasites often confer protection against autoimmune disease development may suggest new therapeutic perspectives of infectious agents in autoimmunity.
1. R.T. Damian 1965 Molecular mimicry in biological adaptation Science 147 3660 824.
2. T.G. Szabó R. Palotai P. Antal I. Tokatly L. Tóthfalusi O. Lund G. Nagy A. Falus E.I. Buzás 2009 Critical role of glycosylation in determining the length and structure of T cell epitopes Immunome Res 5 4.
3. N. Wegner R. Wait P.J. Venables 2009 Evolutionarily conserved antigens in autoimmune disease: implications for an infective aetiology Int J Biochem Cell Biol 41 2 390–397.
4. J. Mestas C.C. Hughes 2004 Of mice and not men: differences between mouse and human immunology J Immunol 172 5 2731–2738.
5. M.M. Davis 2008 A prescription for human immunology Immunity 29 6 835–838.
6. C.M. Pearson 1956 Development of arthritis, periarthritis and periostitis in rats given adjuvants Proc Soc Exp BiolMed 91 1 95–101.
7. S. Nagao A. Tanaka 1980 Muramyl dipeptide-induced adjuvant arthritis Infect Immun 28 2 624–626.
8. R.S. Root-Bernstein F. Yurochko F.C. Westall 1986 Clinical suppression of experimental allergic encephalomyelitis by muramyl dipeptide “adjuvant” Brain Res Bull 17 4 473–476.
9. C. Leclerc E. Deriaud M.P. Schutze L. Chedid 1988 Prevention of low dose streptozotocin induced diabetes by muramyl dipeptide Int J Immunopharmacol 10 3 293–298.
10. W.J. Cromartie J.G. Craddock J.H. Schwab S.K. Anderle C.H. Yang 1977 Arthritis in rats after systemic injection of streptococcal cells or cell walls J Exp Med 146 6 1585–1602.
11. S.W. Barthold K.D. Moody G.A. Terwilliger P.H. Duray R.O. Jacoby A.C. Steere 1988 Experimental Lyme arthritis in rats infected with Borrelia burgdorferi J Infect Dis 157 4 842–846.
12. B.C. Cole C.L. Atkin 1991 The Mycoplasma arthritidis T-cell mitogen, MAM: a model superantigen Immunol Today 12 8 271–276.
13. T.J. Lehman J.B. Allen P.H. Plotz R.L. Wilder 1983 Polyarthritis in rats following the systemic injection of Lactobacillus casei cell walls in aqueous suspension Arthritis Rheum 26 10 1259–1265.
14. N. Padmanabhan H. Selye 1962 Acute polyarthritis produced by lipopolysaccharides in rats Ann Allergy 20 320–324.
15. A. Abdelnour Y.X. Zhao T. Bremell R. Holmdahl A. Tarkowski 1996 Role of superantigens in experimental arthritis Springer Semin Immunopathol 17 4 363–373.
16. A. Abdelnour T. Bremell R. Holmdahl A. Tarkowski 1994 Role of T lymphocytes in experimental Staphylococcus aureus arthritis Scand J Immunol 39 4 403–408.
17. E.C. Keystone H.U. Schorlemmer C. Pope A.C. Allison 1977 Zymosan-induced arthritis: a model of chronic proliferative arthritis following activation of the alternative pathway of complement Arthritis Rheum 20 7 1396–1401.
18. M.A. Beilke V. Traina-Dorge J.D. England J.L. Blanchard 1996 Polymyositis, arthritis, and uveitis in a macaque experimentally infected with human T lymphotropic virus type I Arthritis Rheum 39 4 610–615.
19. K. Yoshinobu L. Baudino M.L. Santiago-Raber N. Morito I. Dunand-Sauthier B.J. Morley L.H. Evans S. Izui 2009 Selective up-regulation of intact, but not defective env RNAs of endogenous modified polytropic retrovirus by the Sgp3 locus of lupus-prone mice J Immunol 182 12 8094–8103.
20. I.M. Stromnes J.M. Goverman 2006 Active induction of experimental allergic encephalomyelitis Nat Protoc 1 4 1810–1819.
21. Y.K. Lee J.S. Menezes Y. Umesaki S.K. Mazmanian 2011 Proinflammatory T-cell responses to gut microbiota promote experimental autoimmune encephalomyelitis Proc Natl Acad Sci U S A 108 Suppl1 4615–4622.
22. G.A. Willbanks D.S. Rootman V. Jay B. Wiggert J. Chamberlain R.D. Inman 1997 Experimental autoimmune uveitis in HLA-B27 transgenic mice Hum Immunol 53 2 188–194.
23. H.C. Rath 2002 Role of commensal bacteria in chronic experimental colitis: lessons from the HLA-B27 transgenic rat Pathobiology 70 3 131–138.
24. J.D. Taurog J.A. Richardson J.T. Croft W.A. Simmons M. Zhou J.L. Fernández-Sueiro E. Balish R.E. Hammer 1994 The germfree state prevents development of gut and joint inflammatory disease in HLA-B27 transgenic rats J Exp Med 180 6 2359–2364.
25. F. Eulderink P. Ivanyi S. Weinreich 1998 Histopathology of murine ankylosing enthesopathy Pathol Res Pract 194 11 797–803.
26. Z. Sinkorová J. Capková J. Niederlová R. Stepánková J. Sinkora 2008 Commensal intestinal bacterial strains trigger ankylosing enthesopathy of the ankle in inbred B10.BR (H-2(k)) male mice Hum Immunol 69 12 845–850.
27. V. Kouskoff A.S. Korganow V. Duchatelle C. Degott C. Benoist D. Mathis 1996 Organ-specific disease provoked by systemic autoimmunity Cell 87 5 811–822.
28. H.J. Wu I.I. Ivanov J. Darce K. Hattori T. Shima Y. Umesaki D.R. Littman C. Benoist D. Mathis 2010 Gut-residing segmented filamentous bacteria drive autoimmune arthritis via T helper 17 cells Immunity 32 6 815–827.
29. K.J. Hamilton M. Satoh J. Swartz H.B. Richards W.H. Reeves 1998 Influence of microbial stimulation on hypergammaglobulinemia and autoantibody production in pristane-induced lupus Clin Immunol Immunopathol 86 3 271–279.
30. O. Kohashi J. Kuwata K. Umehara F. Uemura T. Takahashi A. Ozawa 1979 Susceptibility to adjuvant-induced arthritis among germfree, specific-pathogen-free, and conventional rats Infect Immun 26 3 791–794.
31. K.D. Moudgil E. Kim O.J. Yun H.H. Chi E. Brahn E.E. Sercarz 2001 Environmental modulation of autoimmune arthritis involves the spontaneous microbial induction of T cell responses to regulatory determinants within heat shock protein 65 J Immunol 166 6 4237–4243.
32. L. Wen R.E. Ley P.Y. Volchkov P.B. Stranges L. Avanesyan A.C. Stonebraker C. Hu F.S. Wong G.L. Szot J.A. Bluestone J.I. Gordon A.V. Chervonsky 2008 Innate immunity and intestinal microbiota in the development of Type 1 diabetes Nature 455 7216 1109–1113.
33. D.H. Gray I. Gavanescu C. Benoist D. Mathis 2007 Danger-free autoimmune disease in Aire-deficient mice Proc Natl Acad Sci U S A 104 46 18193–18198.
34. O. Kohashi Y. Kohashi T. Takahashi A. Ozawa N. Shigematsu 1985 Reverse effect of Gram-positive bacteria vs. gram-negative bacteria on adjuvant-induced arthritis in germfree rats Microbiol Immunol 29 6 487–497.
35. S. Hida N.N. Miura Y. Adachi N. Ohno 2007 Cell wall beta-glucan derived from Candida albicans acts as a trigger for autoimmune arthritis in SKG mice Biol Pharm Bull 30 8 1589–1592.
36. A.S. Farias R.L. Talaisys Y.C. Blanco S.C. Lopes A.L. Longhini F. Pradella L.M. Santos F.T. Costa 2011 Regulatory T cell induction during Plasmodium chabaudi infection modifies the clinical course of experimental autoimmune encephalomyelitis PLoS One 6 3 e17849.
37. F.A. Rocha A.K. Leite M.M. Pompeu T.M. Cunha W.A. Verri Jr F.M. Soares R.R. Castro 2008 Cunha FQ: Protective effect of an extract from Ascaris suum in experimental arthritis models Infect Immun 76 6 2736–2745.
38. S. Abdollahi-Roodsaz L.A. Joosten M.I. Koenders I. Devesa M.F. Roelofs T.R. Radstake M. Heuvelmans-Jacobs S. Akira M.J. Nicklin F. Ribeiro-Dias W.B. van den Berg 2008 Stimulation of TLR2 and TLR4 differentially skews the balance of T cells in a mouse model of arthritis J Clin Invest 1181 205–216.
39. S. Abdollahi-Roodsaz L.A. Joosten M.M. Helsen B. Walgreen P.L. van Lent L.A. van den Bersselaar M.I. Koenders W.B. van den Berg 2008 Shift from toll-like receptor 2 (TLR-2) toward TLR-4 dependency in the erosive stage of chronic streptococcal cell wall arthritis coincident with TLR-4-mediated interleukin-17 production Arthritis Rheum 58 12 3753–3764.
40. Devaraj S , Tobias P, Jialal I: Knockout of toll-like receptor-4 attenuates the pro-inflammatory state of diabetes. Cytokine Apr 15 (2011).
41. J. Fang D. Fang P.B. Silver F. Wen B. Li X. Ren Q. Lin R.R. Caspi S.B. Su 2010 The role of TLR2, TRL3, TRL4, and TRL9 signaling in the pathogenesis of autoimmune disease in a retinal autoimmunity model Invest OphthalmolVis Sci 51 6 3092–3099.
42. X. Ren H. Zhou B. Li S.B. Su 2011 Toll-like receptor 3 ligand polyinosinic: polycytidylic acid enhances autoimmune disease in a retinal autoimmunity model Int Immunopharmacol 11 6 769–773.
43. S.K. Drexler P. Kong J. Inglis R.O. Williams C. Garlanda A. Mantovani A.S. Yazdi F. Brennan M. Feldmann B.M. Foxwell 2010 SIGIRR/TIR-8 is an inhibitor of Toll-like receptor signaling in primary human cells and regulates inflammation in models of rheumatoid arthritis Arthritis Rheum 62 8 2249–2261.
44. D.E. Trentham A.S. Townes A.H. Kang 1977 Autoimmunity to type II collagen an experimental model of arthritis J Exp Med 146 3 857–868.
45. K.S. Nandakumar L. Svensson R. Holmdahl 2003 Collagen type IIspecific monoclonal antibody-induced arthritis in mice: description of the disease and the influence of age, sex, and genes Am J Pathol 163 5 1827–1837.
46. D.C. Dumonde L.E. Glynn 1962 The production of arthritis in rabbits by an immunological reaction to fibrin Br J Exp Pathol 43 373–383.
47. T.T. Glant K. Mikecz A. Arzoumanian A.R. Poole 1987 Proteoglycan-induced arthritis in BALB/c mice. Clinical features and histopathology Arthritis Rheum 30 2 201–212.
48. Monach PA , Mathis D, Benoist C. The K/BxN arthritis model. Curr Protoc Immunol Chapter 15, Unit 15–22 (2008).
49. D. Schubert B. Maier L. Morawietz V. Krenn T. Kamradt 2004 Immunization with glucose-6-phosphate isomerase induces T cell-dependent peripheral polyarthritis in genetically unaltered mice J Immunol 172 7 4503–4509.
50. K. Iwanami I. Matsumoto Y. Tanaka A. Inoue D. Goto S. Ito A. Tsutsumi T. Sumida 2008 Arthritogenic T cell epitope in glucose-6-phosphate isomerase-induced arthritis Arthritis Res Ther 10 6 R130.
51. S.W. Barthold K.D. Moody G.A. Terwilliger R.O. Jacoby A.C. Steere 1988 An animal model for Lyme arthritis Ann N Y Acad Sci 539 264–273.
52. E.I. Buzás F.R. Brennan K. Mikecz M. Garzó G. Negroiu K. Holló G. Cs-Szabó E. Pintye T.T. Glant 1995 A proteoglycan (aggrecan)-specific T cell hybridoma induces arthritis in BALB/c mice J Immunol 155 5 2679–2687.
53. F. Zare M. Bokarewa N. Nenonen T. Bergström L. Alexopoulou R.A. Flavell A. Tarkowski 2004 Arthritogenic properties of double-stranded (viral) RNA J Immunol 172 9 5656–5663.
54. M.C. Boissier G. Chiocchia M.C. Ronziere D. Herbage C. Fournier 1990 Arthritogenicity of minor cartilage collagens (types IX and XI) in mice Arthritis Rheum 33 1 1–8.
55. S. Carlsén A.S. Hansson H. Olsson D. Heinegård R. Holmdahl 1998 Cartilage oligomeric matrix protein (COMP)-induced arthritis in rats Clin Exp Immunol 114 3 477–484.
56. Y. Zhang A. Guerassimov J.Y. Leroux A. Cartman C. Webber R. Lalic E. de Miguel L.C. Rosenberg A.R. Poole 1998 Induction of arthritis in BALB/c mice by cartilage link protein: involvement of distinct regions recognized by T and B lymphocytes Am J Pathol 153 4 1283–1291.
57. S. Shi C. Ciurli A. Cartman I. Pidoux A.R. Poole Y. Zhang 2003 Experimental immunity to the G1 domain of the proteoglycan versican induces spondylitis and sacroiliitis, of a kind seen in human spondylarthropathies Arthritis Rheum 48 10 2903–2915.
58. B.C. Cole M.M. Griffiths 1993 Triggering and exacerbation of autoimmune arthritis by the Mycoplasma arthritidis superantigen MAM Arthritis Rheum 36 7 994–1002.
59. A. Abdelnour T. Bremell R. Holmdahl A. Tarkowski 1994 Role of T lymphocytes in experimental Staphylococcus aureus arthritis Scand J Immunol 39 4 403–408.
60. T.J. Lehman J.B. Allen P.H. Plotz R.L. Wilder 1983 Polyarthritis in rats following the systemic injection of Lactobacillus casei cell walls in aqueous suspension Arthritis Rheum 26 10 1259–1265.
61. M. Potter J.S. Wax 1981 Genetics of susceptibility to pristane-induced plasmacytomas in BALB/cAn: reduced susceptibility in BALB/cJ with a brief description of pristane-induced arthritis J Immunol 127 4 1591–1595.
62. P.H. Wooley J.R. Seibold J.D. Whalen J.M. Chapdelaine 1989 Pristane-induced arthritis. The immunologic and genetic features of an experimental murine model of autoimmune disease Arthritis Rheum 32 8 1022–1030.
63. M. Satoh A. Kumar Y.S. Kanwar W.H. Reeves 1995 Anti-nuclear antibody production and immune-complex glomerulonephritis in BALB/c mice treated with pristane Proc Natl Acad Sci U S A 92 24 10934–10938.
64. A.A. Like M.C. Appel R.M. Williams A.A. Rossini 1978 Streptozotocin-induced pancreatic insulitis in mice. Morphologic and physiologic studies Lab Invest 38 4 470–486.
65. Y. de Kozak J. Sakai B. Thillaye J.P. Faure 1981 S antigen-induced experimental autoimmune uveo-retinitis in rats Curr Eye Res 1 6 327–337.
66. R.R. Caspi F.G. Roberge C.C. Chan B. Wiggert G.J. Chader L.A. Rozenszajn Z. Lando R.B. Nussenblatt 1988 A new model of autoimmune disease. Experimental autoimmune uveoretinitis induced in mice with two different retinal antigens J Immunol 140 5 1490–1495.
67. W.J. Penhale A. Farmer W.J. Irvine 1975 Thyroiditis in T cell-depleted rats. Influence of strain, radiation dose, adjuvants and antilymphocyte serum Clin Exp Immunol 21 3 362–375.
68. W.J. Kong D.Y. Wang X. Huang G.F. Ding 2011 High dose combination pertussis toxin induces autoimmune inner ear disease in Sprague-Dawley rats Acta Otolaryngol 131 7 692–700.
69. K. Habu J. Nakayama-Yamada M. Asano S. Saijo K. Itagaki R. Horai H. Yamamoto T. Sekiguchi T. Nosaka M. Hatanaka Y. Iwakura 1999 The human T cell leukemia virus type I-tax gene is responsible for the development of both inflammatory polyarthropathy resembling rheumatoid arthritis and noninflammatory ankylotic arthropathy in transgenic mice J Immunol 162 5 2956–2963.
70. J. Keffer L. Probert H. Cazlaris S. Georgopoulos E. Kaslaris D. Kioussis G. Kollias 1991 Transgenic mice expressing human tumour necrosis factor: a predictive genetic model of arthritis EMBO J 10 13 4025–4031.
71. N. Sakaguchi T. Takahashi H. Hata T. Nomura T. Tagami S. Yamazaki T. Sakihama T. Matsutani I. Negishi S. Nakatsuru S. Sakaguchi 2003 Altered thymic T-cell selection due to a mutation of the ZAP-70 gene causes autoimmune arthritis in mice Nature 426 6965 454–460.
72. R. Eming K. Visconti F. Hall C. Sekine K. Kobayashi Q. Chen A. Cope S. Kanazawa M. Peterlin A. Rijnders A. Boots J. Meijerink G. Sønderstrup 2002 Humanized mice as a model for rheumatoid arthritis Arthritis Res 4 Suppl3 S133–S140.
73. F. Zhou X. He Y. Iwakura R. Horai J.M. Stuart 2005 Arthritis in mice that are deficient in interleukin-1 receptor antagonist is dependent on genetic background Arthritis Rheum 52 12 3731–3738.
74. S. Sawa D. Kamimura G.H. Jin H. Morikawa H. Kamon M. Nishihara K. Ishihara M. Murakami T. Hirano 2006 Autoimmune arthritis associated with mutated interleukin (IL)-6 receptor gp130 is driven by STAT3/IL-7-dependent homeostatic proliferation of CD4+ T cells J Exp Med 203 6 1459–1470.
75. K. Kawane M. Ohtani K. Miwa T. Kizawa Y. Kanbara Y. Yoshioka H. Yoshikawa S. Nagata 2006 Chronic polyarthritis caused by mammalian DNA that escapes from degradation in macrophages Nature 443 7114 998–1002.
76. R.E. Hammer S.D. Maika J.A. Richardson J.P. Tang J.D. Taurog 1990 Spontaneous inflammatory disease in transgenic rats expressing HLA-B27 and human beta 2m: an animal model of HLAB27-associated human disorders Cell 63 5 1099–1112.
77. T. Bárdos J. Zhang K. Mikecz C.S. David T.T. Glant 2002 Mice lacking endogenous major histocompatibility complex class II develop arthritis resembling psoriatic arthritis at an advanced age Arthritis Rheum 46 9 2465–2475.
78. S. Makino K. Kunimoto Y. Muraoka Y. Mizushima K. Katagiri Y. Tochino 1980 Breeding of a non-obese, diabetic strain of mice Jikken Dobutsu 29 1 1–13.
79. R.E. Bonita N.R. Rose L. Rasooly P. Caturegli C.L. Burek 2002 Adhesion molecules as susceptibility factors in spontaneous autoimmune thyroiditis in the NOD-H2h4 mouse Exp Mol Pathol 73 3 155–163.
80. A.A. Like L. Butler R.M. Williams M.C. Appel E.J. Weringer A.A. Rossini 1982 Spontaneous autoimmune diabetes mellitus in the BB rat Diabetes 31 Suppl1Pt2 7–13.
81. R.S. Wildin S. Smyk-Pearson A.H. Filipovich 2002 Clinical and molecular features of the immunodysregulation, polyendocrinopathy, enteropathy, X linked (IPEX) syndrome J Med Genet 39 8 537–545.
82. P. Bobé G. Gachelin N. Kiger 1987 Spontaneous autocytotoxicity against an unexpected H-2d haplotype inMRL/lpr (H-2k) autoimmune disease-prone mice Immunogenetics 25 4 251–257.
83. F.X. Hubert S.A. Kinkel P.E. Crewther P.Z. Cannon K.E. Webster M. Link et al.2009 Aire-deficient C57BL/6 mice mimicking the common human 13-base pair deletion mutation present with only a mild autoimmune phenotype J Immunol 182 3902–3918.
84. W. Jiang M.S. Anderson R. Bronson D. Mathis C. Benoist 2005 Modifier loci condition autoimmunity provoked by Aire deficiency J Exp Med 202 6 805–815.
85. H. Dang A.G. Geiser J.J. Letterio et al.1995 SLE-like autoantibodies and Sjogren's syndrome-like lymphoproliferation in TGF-β knockout mice Journal of Immunology 155 6 3205–3212.
86. A.D. Steinberg J.B. Roths E.D. Murphy R.T. Steinberg E.S. Raveche 1997 Effects of thymectomy or androgen administration upon the autoimmune disease of MRL/Mp-lpr/lpr mice Hum Immunol 53 2 188–194.
87. N. Talal A.D. Steinberg 1974 The pathogenesis of autoimmunity in New Zealand black mice Curr Top Microbiol Immunol 64 0 79–103.
88. F.M. Burnet M.C. Holmes 1965 The natural history of the NZB/NZW F1 hybrid mouse: a laboratory model of systemic lupus erythematosus Australas Ann Med 14 3 185–191.
89. J. Goverman A. Woods L. Larson L.P. Weiner L. Hood D.M. Zaller 1993 Transgenic mice that express a myelin basic protein-specific T cell receptor develop spontaneous autoimmunity Cell 72 4 551–560.
90. B. Sadlack H. Merz H. Schorle A. Schimpl A.C. Feller I. Horak 1993 Ulcerative colitis-like disease in mice with a disrupted interleukin-2 gene Cell 75 2 253–261.
91. R.C. Mellors 1965 Autoimmune disease in NZB/BL mice. I. Pathology and pathogenesis of a model system of spontaneous glomerulonephritis J Exp Med 122 25–40.
92. M.A. Breban M.C. Moreau C. Fournier R. Ducluzeau M.F. Kahn 1993 Influence of the bacterial flora on collagen-induced arthritis in susceptible and resistant strains of rats Clin Exp Rheumatol 11 1 61–64.
93. R.G. Caccese J.L. Zimmerman R.P. Carlson 1992 Bacterial lipopolysaccharide potentiates type II collagen-induced arthritis in mice Mediators Inflamm 1 4 273–279.
94. N. Sato T. Oizumi M. Kinbara T. Sato H. Funayama S. Sato K. Matsuda H. Takada S. Sugawara Y. Endo 2010 Promotion of arthritis and allergy in mice by aminoglycoglycerophospholipid, a membrane antigen specific to Mycoplasma fermentans FEMS Immunol Med Microbiol 59 1 33–41.
95. K.D. Moudgil E. Kim O.J. Yun H.H. Chi E. Brahn E.E. Sercarz 2001 Environmental modulation of autoimmune arthritis involves the spontaneous microbial induction of T cell responses to regulatory determinants within heat shock protein 65 J Immunol 166 6 4237–4243.
96. Kriegel MA , Sefik E, Hill JA, Wu HJ, Benoist C, Mathis D: Naturally transmitted segmented filamentous bacteria segregate with diabetes protection in nonobese diabetic mice. Proc Natl Acad Sci USA June 27 (2011).
97. M.A. Maldonado V. Kakkanaiah G.C. MacDonald F. Chen E.A. Reap E. Balish W.R. Farkas J.C. Jennette M.P. Madaio B.L. Kotzin P.L. Cohen R.A. Eisenberg 1999 The role of environmental antigens in the spontaneous development of autoimmunity in MRL-lpr mice J Immunol 162 11 6322–6330.
98. A.P. Castro N. Esaguy A.P. Aguas 1993 Effect of mycobacterial infection in the lupus-prone MRL/lpr mice: enhancement of life span of autoimmune mice, amelioration of kidney disease and transient decrease in host resistance Autoimmunity 16 3 159–166.
99. J.C. Gutierrez-Ramos J.L. Andreu Y. Revilla E. Viñuela C. Martinez 1990 Recovery from autoimmunity of MRL/lpr mice after infection with an interleukin-2/vaccinia recombinant virus Nature 346 6281 271–274.
100. H. Kohno T. Sakai H. Tsuneoka K. Imanishi S. Saito 2009 Staphylococcal enterotoxin B is involved in aggravation and recurrence of murine experimental autoimmune uveoretinitis via Vbeta8+CD4+ T cells Exp Eye Res 89 4 486–493.
101. J.X. Yin J.L. Tu H.J. Lin F.D. Shi R.L. Liu C.B. Zhao S.W. Coons S. Kuniyoshi J. Shi 2010 Centrally administered pertussis toxin inhibits microglia migration to the spinal cord and prevents dissemination of disease in an EAE mouse model PLoS One 5 8 e12400.
102. M.S. Weber M. Benkhoucha K. Lehmann-Horn D. Hertzenberg J. Sellner M.L. Santiago-Raber M. Chofflon B. Hemmer S.S. Zamvil P.H. Lalive 2010 Repetitive pertussis toxin promotes development of regulatory T cells and prevents central nervous system autoimmune disease PLoS One 5 12 e16009.
103. W.J. Penhale P.R. Young 1988 The influence of the normal microbial flora on the susceptibility of rats to experimental autoimmune thyroiditis Clin Exp Immunol 72 2 288–292.
104. K.K. Unni K.E. Holley F.C. McDuffie J. Titus 1975 Comparative study of NZB mice under germfree and conventional conditions J Rheumatol 2 1 36–44.
105. Kong YC : Experimental autoimmune thyroiditis in the mouse. Curr Protoc Immunol Chapter 15, Unit 15.7 (2007).