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Reversal of autoimmune diabetes by restoration of antigen-specific tolerance using genetically modified Lactococcus lactis in mice

Open access
Takiishi, Tatiana, Korf, Hannelie, Van Belle, Tom L., Robert, Sofie, Grieco, Fabio A., Caluwaerts, Silvia, Galleri, Letizia, Spagnuolo, Isabella, Steidler, Lothar, Van Huynegem, Karolien, Demetter, Pieter, Wasserfall, Clive, Atkinson, Mark A., Dotta, Francesco, Rottiers, Pieter, Gysemans, Conny, Mathieu, Chantal·2012·Journal of Clinical Investigation

Abstract

Current interventions for arresting autoimmune diabetes have yet to strike the balance between sufficient efficacy, minimal side effects, and lack of generalized immunosuppression. Introduction of antigen via the gut represents an appealing method for induction of antigen-specific tolerance. Here, we developed a strategy for tolerance restoration using mucosal delivery in mice of biologically contained Lactococcus lactis genetically modified to secrete the whole proinsulin autoantigen along with the immunomodulatory cytokine IL-10. We show that combination therapy with low-dose systemic anti-CD3 stably reverted diabetes in NOD mice and increased frequencies of local Tregs, which not only accumulated in the pancreatic islets, but also suppressed immune response in an autoantigen-specific way. Cured mice remained responsive to disease-unrelated antigens, which argues against excessive immunosuppression. Application of this therapeutic tool achieved gut mucosal delivery of a diabetes-relevant autoantigen and a biologically active immunomodulatory cytokine, IL-10, and, when combined with a low dose of systemic anti-CD3, was well tolerated and induced autoantigen-specific long-term tolerance, allowing reversal of established autoimmune diabetes. Therefore, we believe this method could be an effective treatment strategy for type 1 diabetes in humans.

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Metadata

Authors
Takiishi, T., Korf, H., Van Belle, T. L., Robert, S., Grieco, F. A., Caluwaerts, S., Galleri, L., Spagnuolo, I., Steidler, L., Van Huynegem, K., Demetter, P., Wasserfall, C., Atkinson, M. A., Dotta, F., Rottiers, P., Gysemans, C., & Mathieu, C.
Venue
Journal of Clinical Investigation
Published
2012-05-01
Volume
122
Issue
5
Pages
1717-1725
ISSN
0021-9738 (ISSN-L)
OpenAlex
W2127051809
Cited by
201
References
7
FWCI
9.21
Type
journal article
Language
en
Open access
bronze

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CoChat. (2026). Citation check: Reversal of autoimmune diabetes by restoration of antigen-specific tolerance using genetically modified Lactococcus lactis in mice. https://app.cochat.ai/papers/10.1172/jci60530
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Takiishi, T., Korf, H., Van Belle, T. L., Robert, S., Grieco, F. A., Caluwaerts, S., Galleri, L., Spagnuolo, I., Steidler, L., Van Huynegem, K., Demetter, P., Wasserfall, C., Atkinson, M. A., Dotta, F., Rottiers, P., Gysemans, C., & Mathieu, C. (2012). Reversal of autoimmune diabetes by restoration of antigen-specific tolerance using genetically modified Lactococcus lactis in mice. Journal of Clinical Investigation. https://doi.org/10.1172/jci60530

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.