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Journal Articles European Journal of Immunology Year : 2022

Dendritic cell functions in vivo: A user's guide to current and next‐generation mutant mouse models

Abstract

DCs do not just excel in antigen presentation. They orchestrate information transfer from innate to adaptive immunity by sensing and integrating a variety of danger signals, and translating them to naïve T cells, to mount specifically tailored immune responses. This is accomplished by distinct DC types specialized in different functions and because each DC is functionally plastic, assuming different activation states depending on the input signals received. Mouse models hold the key to untangle this complexity and determine which DC types and activation states contribute to which functions. Here, we aim to provide comprehensive information for selecting the most appropriate mutant mouse strains to address specific research questions on DCs, considering three in vivo experimental approaches: (i) interrogating the roles of DC types through their depletion; (ii) determining the underlying mechanisms by specific genetic manipulations; (iii) deciphering the spatiotemporal dynamics of DC responses. We summarize the advantages, caveats, suggested use, and perspectives for a variety of mutant mouse strains, discussing in more detail the most widely used or accurate models. Finally, we discuss innovative strategies to improve targeting specificity and next-generation mutant mouse models, and briefly address how humanized mouse models can accelerate translation into the clinic.
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hal-03754422 , version 1 (19-08-2022)

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Marc Dalod, Stefanie Scheu. Dendritic cell functions in vivo: A user's guide to current and next‐generation mutant mouse models. European Journal of Immunology, 2022, ⟨10.1002/eji.202149513⟩. ⟨hal-03754422⟩
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