Abstract
Regulatory T cells play key roles in skin homeostasis and inflammation and in regulating antitumor responses. Understanding of the biology of this cell type has been improved by the use of intravital microscopy for their visualization in various organs. Here we describe a multiphoton microscopy-based technique for intravital imaging of regulatory T cells in the skin. We provide a protocol for a model of antigen-dependent inflammation that induces robust regulatory T cell recruitment to the skin and describe the use of a regulatory T cell reporter mouse for visualization of these cells in inflamed skin.
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