Corruption of dendritic cell antigen presentation during acute GVHD leads to regulatory T-cell failure and chronic GVHD

Lucie Leveque-El Mouttie; Motoko Koyama; Laetitia Le Texier; Kate A. Markey; Melody Cheong; Rachel D. Kuns; Katie E. Lineburg; Bianca E. Teal; Kylie A. Alexander; Andrew D. Clouston; Bruce R. Blazar; Geoffrey R. Hill; Kelli P.A. MacDonald

doi:10.1182/blood-2015-11-680876

Corruption of dendritic cell antigen presentation during acute GVHD leads to regulatory T-cell failure and chronic GVHD

Lucie Leveque-El Mouttie, Motoko Koyama, Laetitia Le Texier, Kate A. Markey, Melody Cheong, Rachel D. Kuns, Katie E. Lineburg, Bianca E. Teal, Kylie A. Alexander, Andrew D. Clouston, Bruce R. Blazar, Geoffrey R. Hill, Kelli P.A. MacDonald

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Abstract

Chronic graft-versus-host disease (cGVHD) is a major cause of late mortality following allogeneic bone marrow transplantation (BMT) and is characterized by tissue fibrosis manifesting as scleroderma and bronchiolitis obliterans. The development of acute GVHD (aGVHD) is a powerful clinical predictor of subsequent cGVHD, suggesting that aGVHD may invoke the immunologic pathways responsible for cGVHD. In preclinical models in which sclerodermatous cGVHD develops after a preceding period of mild aGVHD, we show that antigen presentation within major histocompatibility complex (MHC) class II of donor dendritic cells (DCs) is markedly impaired early after BMT. This is associated with a failure of regulatory T-cell (Treg) homeostasis and cGVHD. Donor DC-restricted deletion of MHC class II phenocopied this Treg deficiency and cGVHD. Moreover, specific depletion of donor Tregs after BMT also induced cGVHD, whereas adoptive transfer of Tregs ameliorated it. These data demonstrate that the defect in Treg homeostasis seen in cGVHD is a causative lesion and is downstream of defective antigen presentation within MHC class II that is induced by aGVHD.

Original language	English (US)
Pages (from-to)	794-804
Number of pages	11
Journal	Blood
Volume	128
Issue number	6
DOIs	https://doi.org/10.1182/blood-2015-11-680876
State	Published - Aug 11 2016

Bibliographical note

Funding Information:
L.L.-E.m. was supported by the University of Queensland International Research Tuition Award and the University of Queensland Research Scholarship. M.C. is supported by a Leukemia Foundation of Queensland scholarship. G.R.H. is an National Health and Medical Research Council (NHMRC) Australia Fellow and Queensland Health Senior Clinical Research Fellow. K.P.A.M. is a Cancer Council Queensland Senior Research Fellow. This work was funded by an NHMRC of Australia grant to K.P.A.M. (APP1031728) and National Institutes of Health grants from the National Heart, Lung, and Blood Institute (R01 HL11879) and National Institute of Allergy and Infectious Diseases (P01 AI-56299).

Publisher Copyright:
© 2016 by The American Society of Hematology.

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Leveque-El Mouttie, L., Koyama, M., Le Texier, L., Markey, K. A., Cheong, M., Kuns, R. D., Lineburg, K. E., Teal, B. E., Alexander, K. A., Clouston, A. D., Blazar, B. R., Hill, G. R., & MacDonald, K. P. A. (2016). Corruption of dendritic cell antigen presentation during acute GVHD leads to regulatory T-cell failure and chronic GVHD. Blood, 128(6), 794-804. https://doi.org/10.1182/blood-2015-11-680876

Leveque-El Mouttie, L, Koyama, M, Le Texier, L, Markey, KA, Cheong, M, Kuns, RD, Lineburg, KE, Teal, BE, Alexander, KA, Clouston, AD, Blazar, BR, Hill, GR & MacDonald, KPA 2016, 'Corruption of dendritic cell antigen presentation during acute GVHD leads to regulatory T-cell failure and chronic GVHD', Blood, vol. 128, no. 6, pp. 794-804. https://doi.org/10.1182/blood-2015-11-680876

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abstract = "Chronic graft-versus-host disease (cGVHD) is a major cause of late mortality following allogeneic bone marrow transplantation (BMT) and is characterized by tissue fibrosis manifesting as scleroderma and bronchiolitis obliterans. The development of acute GVHD (aGVHD) is a powerful clinical predictor of subsequent cGVHD, suggesting that aGVHD may invoke the immunologic pathways responsible for cGVHD. In preclinical models in which sclerodermatous cGVHD develops after a preceding period of mild aGVHD, we show that antigen presentation within major histocompatibility complex (MHC) class II of donor dendritic cells (DCs) is markedly impaired early after BMT. This is associated with a failure of regulatory T-cell (Treg) homeostasis and cGVHD. Donor DC-restricted deletion of MHC class II phenocopied this Treg deficiency and cGVHD. Moreover, specific depletion of donor Tregs after BMT also induced cGVHD, whereas adoptive transfer of Tregs ameliorated it. These data demonstrate that the defect in Treg homeostasis seen in cGVHD is a causative lesion and is downstream of defective antigen presentation within MHC class II that is induced by aGVHD.",

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note = "Funding Information: L.L.-E.m. was supported by the University of Queensland International Research Tuition Award and the University of Queensland Research Scholarship. M.C. is supported by a Leukemia Foundation of Queensland scholarship. G.R.H. is an National Health and Medical Research Council (NHMRC) Australia Fellow and Queensland Health Senior Clinical Research Fellow. K.P.A.M. is a Cancer Council Queensland Senior Research Fellow. This work was funded by an NHMRC of Australia grant to K.P.A.M. (APP1031728) and National Institutes of Health grants from the National Heart, Lung, and Blood Institute (R01 HL11879) and National Institute of Allergy and Infectious Diseases (P01 AI-56299). Publisher Copyright: {\textcopyright} 2016 by The American Society of Hematology.",

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AU - Clouston, Andrew D.

AU - Blazar, Bruce R.

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N2 - Chronic graft-versus-host disease (cGVHD) is a major cause of late mortality following allogeneic bone marrow transplantation (BMT) and is characterized by tissue fibrosis manifesting as scleroderma and bronchiolitis obliterans. The development of acute GVHD (aGVHD) is a powerful clinical predictor of subsequent cGVHD, suggesting that aGVHD may invoke the immunologic pathways responsible for cGVHD. In preclinical models in which sclerodermatous cGVHD develops after a preceding period of mild aGVHD, we show that antigen presentation within major histocompatibility complex (MHC) class II of donor dendritic cells (DCs) is markedly impaired early after BMT. This is associated with a failure of regulatory T-cell (Treg) homeostasis and cGVHD. Donor DC-restricted deletion of MHC class II phenocopied this Treg deficiency and cGVHD. Moreover, specific depletion of donor Tregs after BMT also induced cGVHD, whereas adoptive transfer of Tregs ameliorated it. These data demonstrate that the defect in Treg homeostasis seen in cGVHD is a causative lesion and is downstream of defective antigen presentation within MHC class II that is induced by aGVHD.

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Corruption of dendritic cell antigen presentation during acute GVHD leads to regulatory T-cell failure and chronic GVHD

Abstract

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