A. Achiron, F. Mor, R. Margalit, I. R. Cohen, O. Lider et al., Suppression of Experimental Autoimmune Encephalomyelitis by Intravenously Administered Polyclonal Immunoglobulins, Journal of Autoimmunity, vol.15, issue.3, pp.323-330, 2000.
DOI : 10.1006/jaut.2000.0433

Y. Allenbach, S. Solly, S. Gregoire, O. Dubourg, B. Salomon et al., Role of Regulatory T Cells in a New Mouse Model of Experimental Autoimmune Myositis, The American Journal of Pathology, vol.174, issue.3, pp.989-998, 2009.
DOI : 10.2353/ajpath.2009.080422
URL : https://hal.archives-ouvertes.fr/hal-00420196

R. M. Anthony, T. Kobayashi, F. Wermeling, and J. V. Ravetch, Intravenous gammaglobulin suppresses inflammation through a novel TH2 pathway, Nature, vol.182, issue.7354, pp.110-113, 2011.
DOI : 10.1038/nature10134

L. Banica, A. Besliu, G. Pistol, C. Stavaru, R. Ionescu et al., Quantification and molecular characterization of regulatory T cells in connective tissue diseases, Autoimmunity, vol.172, issue.1, pp.41-49, 2009.
DOI : 10.1016/j.jaci.2004.07.014

B. Q. Banker, Dermatomyositis of Childhood, Journal of Neuropathology & Experimental Neurology, vol.34, issue.1, pp.46-75, 1975.
DOI : 10.1097/00005072-197501000-00005

J. Bayry, V. S. Negi, and S. V. Kaveri, Intravenous immunoglobulin therapy in rheumatic diseases, Nature Reviews Rheumatology, vol.124, issue.6, pp.349-359, 2011.
DOI : 10.1038/nrrheum.2011.61

A. Bussel, H. Boulechfar, and R. Naim, [Immunoglobulins or plasma exchange? Synchronization of plasma exchange and intravenous polyvalent immunoglobulins. A consecutive study of 11 patients], Annales de medecine interne, vol.144, pp.532-538, 1993.

C. Contet, J. N. Rawlins, and R. M. Deacon, A comparison of 129S2/SvHsd and C57BL/6JOlaHsd mice on a test battery assessing sensorimotor, affective and cognitive behaviours: implications for the study of genetically modified mice, Behavioural Brain Research, vol.124, issue.1, pp.33-46, 2001.
DOI : 10.1016/S0166-4328(01)00231-5

M. C. Dalakas, Autoimmune inflammatory myopathies, Handbook of clinical neurology, vol.86, pp.273-301, 2007.
DOI : 10.1016/S0072-9752(07)86014-3

G. Darrasse-jeze, D. Klatzmann, F. Charlotte, B. L. Salomon, and J. L. Cohen, CD4CD25 regulatory/suppressor T cells prevent allogeneic fetus rejection in mice, Immunology Letters, vol.102, issue.1, pp.106-109, 2006.
DOI : 10.1016/j.imlet.2005.07.002

W. Scott and . Martin, Activation of natural regulatory T cells by IgG Fc-derived peptide "Tregitopes, Blood, vol.112, pp.3303-3311, 2008.

A. Durandy, S. V. Kaveri, T. W. Kuijpers, M. Basta, S. Miescher et al., Intravenous immunoglobulins - understanding properties and mechanisms, Clinical & Experimental Immunology, vol.111, issue.1, pp.2-13, 2009.
DOI : 10.1111/j.1365-2249.2009.04022.x

I. Elovaara, S. Apostolski, P. Van-doorn, N. E. Gilhus, A. Hietaharju et al., EFNS guidelines for the use of intravenous immunoglobulin in treatment of neurological diseases, European Journal of Neurology, vol.250, issue.Suppl. 1, pp.893-908, 2008.
DOI : 10.1111/j.1468-1331.2008.02246.x

W. Elyaman, S. J. Khoury, D. W. Scott, and A. S. De-groot, Potential Application of Tregitopes as Immunomodulating Agents in Multiple Sclerosis, Neurology Research International, vol.20, issue.5, p.256460, 2011.
DOI : 10.1084/jem.20100209

A. Ephrem, S. Chamat, C. Miquel, S. Fisson, L. Mouthon et al., Expansion of CD4+CD25+ regulatory T cells by intravenous immunoglobulin: a critical factor in controlling experimental autoimmune encephalomyelitis, Blood, vol.111, issue.2, pp.715-722, 2008.
DOI : 10.1182/blood-2007-03-079947

O. Frey, P. K. Petrow, M. Gajda, K. Siegmund, J. Huehn et al., The role of regulatory T cells in antigen-induced arthritis: aggravation of arthritis after depletion and amelioration after transfer of CD4+CD25+ T cells, Arthritis Research & Therapy, vol.7, issue.2, pp.291-301, 2005.
DOI : 10.1186/ar1484

J. E. Hoogendijk, A. A. Amato, B. R. Lecky, E. H. Choy, I. E. Lundberg et al., 119th ENMC international workshop: trial design in adult idiopathic inflammatory myopathies, with the exception of inclusion body myositis, Neuromuscul Disord, vol.14, pp.10-12337, 2003.

W. T. Hsu, J. L. Suen, and B. L. Chiang, The role of CD4+CD25+ T cells in autoantibody production in murine lupus, Clinical and Experimental Immunology, vol.175, issue.3, pp.513-519, 2006.
DOI : 10.1084/jem.20031519

A. Kessel, H. Ammuri, R. Peri, E. R. Pavlotzky, M. Blank et al., Intravenous Immunoglobulin Therapy Affects T Regulatory Cells by Increasing Their Suppressive Function, The Journal of Immunology, vol.179, issue.8, pp.5571-5575, 2007.
DOI : 10.4049/jimmunol.179.8.5571

T. Kojima, N. Tanuma, Y. Aikawa, T. Shin, A. Sasaki et al., Myosin-induced autoimmune polymyositis in the rat, Journal of the Neurological Sciences, vol.151, issue.2, pp.141-148, 1997.
DOI : 10.1016/S0022-510X(97)00148-2

P. Maerten, C. Shen, D. M. Bullens, G. Van-assche, S. Van-gool et al., Effects of interleukin 4 on CD25+CD4+ regulatory T cell function, Journal of Autoimmunity, vol.25, issue.2, pp.112-120, 2005.
DOI : 10.1016/j.jaut.2005.04.001

I. Marie, E. Hachulla, P. Cherin, S. Dominique, P. Y. Hatron et al., Interstitial lung disease in polymyositis and dermatomyositis, Arthritis Care & Research, vol.26, issue.Suppl 5, pp.614-622, 2002.
DOI : 10.1002/art.10794

N. Prevel, Y. Allenbach, D. Klatzmann, B. Salomon, and O. Benveniste, Beneficial Role of Rapamycin in Experimental Autoimmune Myositis, PLoS ONE, vol.42, issue.11, p.74450, 2013.
DOI : 10.1371/journal.pone.0074450.s002

S. Sakaguchi, Regulatory T Cells, Cell, vol.101, issue.5, pp.455-458, 2000.
DOI : 10.1016/S0092-8674(00)80856-9
URL : https://hal.archives-ouvertes.fr/hal-01358192

S. Sakaguchi, T. Yamaguchi, T. Nomura, and M. Ono, Regulatory T Cells and Immune Tolerance, Cell, vol.133, issue.5, pp.775-787, 2008.
DOI : 10.1016/j.cell.2008.05.009

K. J. Scalapino, Q. Tang, J. A. Bluestone, M. L. Bonyhadi, and D. I. Daikh, Suppression of Disease in New Zealand Black/New Zealand White Lupus-Prone Mice by Adoptive Transfer of Ex Vivo Expanded Regulatory T Cells, The Journal of Immunology, vol.177, issue.3, pp.1451-1459, 2006.
DOI : 10.4049/jimmunol.177.3.1451

C. Terrada, S. Fisson, Y. De-kozak, M. Kaddouri, P. Lehoang et al., Regulatory T Cells Control Uveoretinitis Induced by Pathogenic Th1 Cells Reacting to a Specific Retinal Neoantigen, The Journal of Immunology, vol.176, issue.12, pp.7171-7179, 2006.
DOI : 10.4049/jimmunol.176.12.7171

T. Tha-in, H. J. Metselaar, A. R. Bushell, J. Kwekkeboom, and K. J. Wood, Intravenous Immunoglobulins Promote Skin Allograft Acceptance by Triggering Functional Activation of CD4+Foxp3+ T cells, Transplantation, vol.89, issue.12, pp.1446-1455, 2010.
DOI : 10.1097/TP.0b013e3181dd6bf1

J. Trinath, P. Hegde, M. Sharma, M. S. Maddur, M. Rabin et al., Intravenous immunoglobulin expands regulatory T cells via induction of cyclooxygenase-2-dependent prostaglandin E2 in human dendritic cells, Blood, vol.122, issue.8, pp.1419-1427, 2013.
DOI : 10.1182/blood-2012-11-468264

Y. Troyanov, I. N. Targoff, J. L. Tremblay, J. R. Goulet, Y. Raymond et al., Novel Classification of Idiopathic Inflammatory Myopathies Based on Overlap Syndrome Features and Autoantibodies, Medicine, vol.84, issue.4, pp.231-249, 2005.
DOI : 10.1097/01.md.0000173991.74008.b0

K. Y. Zhu, T. Feferman, P. K. Maiti, M. C. Souroujon, and S. Fuchs, Intravenous immunoglobulin suppresses experimental myasthenia gravis: Immunological mechanisms, Journal of Neuroimmunology, vol.176, issue.1-2, pp.187-197, 2006.
DOI : 10.1016/j.jneuroim.2006.04.011

A. , V. , A. W. Engel, -. Molecular, . Pathology et al., INCLUSION, ACTA NEUROPATHOL, vol.116, pp.583-595, 2008.
URL : https://hal.archives-ouvertes.fr/hal-00418771

A. L. Bayer, J. Y. Lee, A. De-la, C. D. Barrera, A. T. Surh et al., A Function for IL-7R for CD4+CD25+Foxp3+ T Regulatory Cells, The Journal of Immunology, vol.181, issue.1, pp.225-234, 2008.
DOI : 10.4049/jimmunol.181.1.225

B. , T. , L. Pretsch, S. Karakhanova, A. H. Enk et al., INVOLVEMENT OF PROGRAMMED DEATH-1 AND IL-10, J IMMUNOL, vol.184, pp.5562-5570

B. , O. , A. D. Hilton, . Hystory, . Of et al., NATURAL, ESTIMATING THE PREVALENCE OF POLYMYOSITIS AND DERMATOMYOSITIS FROM ADMINISTRATIVE DATA: AGE, SEX AND REGIONAL DIFFERENCES, pp.1192-1196, 2009.
URL : https://hal.archives-ouvertes.fr/hal-01328568

B. , M. , A. D. Vignali, . Cells, . Inhibitory et al., REGULATORY, CURR OPIN IMMUNOL, vol.21, pp.612-618, 2009.

A. Bohan and A. J. Peter, Polymyositis and Dermatomyositis, New England Journal of Medicine, vol.292, issue.7, pp.344-347, 1975.
DOI : 10.1056/NEJM197502132920706

A. Bohan, J. B. Peter, R. L. Bowman, and A. C. Pearson, A COMPUTER-ASSISTED ANALYSIS OF 153 PATIENTS WITH POLYMYOSITIS AND DERMATOMYOSITIS, Medicine, vol.56, issue.4, pp.255-286, 1977.
DOI : 10.1097/00005792-197707000-00001

G. Borsellino, M. Kleinewietfeld, D. Di-mitri, A. Sternjak, A. Diamantini et al., Expression of ectonucleotidase CD39 by Foxp3+ Treg cells: hydrolysis of extracellular ATP and immune suppression, EXPRESSION OF ECTONUCLEOTIDASE CD39 BY FOXP3+ TREG CELLS: HYDROLYSIS OF EXTRACELLULAR ATP AND IMMUNE SUPPRESSION, pp.1225-1232, 2007.
DOI : 10.1182/blood-2006-12-064527

R. Brouwer, G. J. Hengstman, W. Vree-egberts, H. Ehrfeld, B. Bozic et al., Autoantibody profiles in the sera of European patients with myositis, AUTOANTIBODY PROFILES IN THE SERA OF EUROPEAN PATIENTS WITH MYOSITIS, pp.116-123, 2001.
DOI : 10.1136/ard.60.2.116

B. , M. A. , J. Yang, C. Vogtenhuber, B. R. Blazar et al., IL-2 RECEPTOR BETA-DEPENDENT STAT5 ACTIVATION IS REQUIRED FOR THE DEVELOPMENT OF FOXP3+ REGULATORY T CELLS, J IMMUNOL, vol.178, pp.280-290, 2007.

C. , S. , H. Delagreverie, C. Arnoult, F. J. Authier et al., FUNCTIONAL TOLERANCE OF CD8+ T CELLS INDUCED BY MUSCLE- SPECIFIC ANTIGEN EXPRESSION, J IMMUNOL, vol.181, pp.408-417, 2008.

S. , E. J. , P. B. Langmuir, E. Palmer, M. H. Sayegh et al., QUANTIFYING THE FREQUENCY OF ALLOREACTIVE T CELLS IN VIVO: NEW ANSWERS TO AN OLD QUESTION, J IMMUNOL, vol.166, pp.973-981, 2001.

S. , T. , T. Takahashi, P. Golstein, A. S. Nagata et al., MOLECULAR, CELL, vol.75, pp.1169-1178, 1993.
URL : https://hal.archives-ouvertes.fr/cea-00306462

T. , I. N. Testing, . In, . Diagnosis, . Management et al., LABORATORY, RHEUM DIS CLIN NORTH AM, vol.28, pp.859-890, 2002.

T. , A. , V. Lenief, and A. P. Miossec, EXPRESSION OF TOLL-LIKE RECEPTOR 3 AND TOLL-LIKE RECEPTOR 7, MUSCLE IS CHARACTERISTIC OF INFLAMMATORY MYOPATHY AND IS DIFFERENTIALLY REGULATED BY TH1 AND TH17 CYTOKINES, pp.2144-2151, 2010.

T. , D. Q. , H. Ramsey, A. E. Shevach, . Of et al., INDUCTION, BLOOD, vol.110, pp.2983-2990, 2007.

T. , A. , F. Charlotte, S. Fisson, M. Yagello et al., RECIPIENT, J CLIN INVEST, vol.112, pp.1688-1696, 2003.

V. Maren, W. W. , J. F. Jacobs, I. J. De-vries, S. Nierkens et al., Toll-like receptor signalling on Tregs: to suppress or not to suppress?, TOLL-LIKE RECEPTOR SIGNALLING ON TREGS: TO SUPPRESS OR NOT TO SUPPRESS, pp.445-452, 2008.
DOI : 10.1111/j.1365-2567.2008.02871.x

K. B. Vang, J. Yang, S. A. Mahmud, M. A. Burchill, A. L. Vegoe et al., IL-2, -7, and -15, but Not Thymic Stromal Lymphopoeitin, Redundantly Govern CD4+Foxp3+ Regulatory T Cell Development, The Journal of Immunology, vol.181, issue.5, pp.3285-3290, 2008.
DOI : 10.4049/jimmunol.181.5.3285

P. L. Vieira, J. R. Christensen, S. Minaee, E. J. O-'neill, F. J. Barrat et al., IL-10-Secreting Regulatory T Cells Do Not Express Foxp3 but Have Comparable Regulatory Function to Naturally Occurring CD4+CD25+ Regulatory T Cells, IL-10-SECRETING REGULATORY T CELLS DO NOT EXPRESS FOXP3 BUT HAVE COMPARABLE REGULATORY FUNCTION TO NATURALLY OCCURRING CD4+CD25+ REGULATORY T CELLS, pp.5986-5993, 2004.
DOI : 10.4049/jimmunol.172.10.5986

W. , T. L. , C. Y. Bakker, and A. J. Bluestone, CTLA-4 LIGATION BLOCKS CD28-DEPENDENT T CELL ACTIVATION, J EXP MED, vol.183, pp.2541-2550, 1996.

W. , V. P. , J. P. Callen, G. Ang, A. K. Sullivan et al., ASSOCIATIONS, J INVEST DERMATOL, vol.119, pp.617-620, 2002.

Y. , T. , M. Shimizu, S. Ishikawa, K. Ueno et al., ACCUMULATION OF MATURE B CELLS IN THE INFLAMED MUSCLE TISSUE OF A PATIENT WITH ANTI-155/140 ANTIBODY-POSITIVE JUVENILE DERMATOMYOSITIS, MODERN RHEUMATOLOGY / THE JAPAN RHEUMATISM ASSOCIATION, vol.23, pp.167-171, 2013.

Z. , B. , X. Zhang, F. Tang, L. Zhu et al., REDUCTION, CLIN EXP IMMUNOL, vol.153, pp.182-187, 2008.
URL : https://hal.archives-ouvertes.fr/hal-00087484