Abstract
Live imaging using various microscopic technologies is an indispensable tool for investigating the dynamic nature of immune cells. One of the most powerful techniques is the two-photon laser-scanning microscopy (TP-LSM), which has various advantages in observing deep tissues in vivo. Interstitial T cell migration in the lymph node (LN) is a phenomenon intensively examined using TP-LSM in the field of immunology. Intravital and explant methods have been standards for imaging T cell behaviors in the LN, though there are several limitations. Live imaging of LN slices, an LN explant sliced by a vibratome to expose tissue parenchyma, could provide an alternative approach with technical advantages for an in-depth analysis of interstitial T cell migration in vivo.
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