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Updated: Nov 11, 2025

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Natural Killer Cell Integrins and Their Functions in Tissue Residency
Michael J Shannon1, Emily M Mace1
1Department of Pediatrics, Vagelos College of Physicians and Surgeons, Columbia University, New York, NY, United States.
Abstract:
Integrins are transmembrane receptors associated with adhesion and migration and are often highly differentially expressed receptors amongst natural killer cell subsets in microenvironments. Tissue resident natural killer cells are frequently defined by their differential integrin expression compared to other NK cell subsets, and integrins can further localize tissue resident NK cells to tissue microenvironments. As such, integrins play important roles in both the phenotypic and functional identity of NK cell subsets. Here we review the expression of integrin subtypes on NK cells and NK cell subsets with the goal of better understanding how integrin selection can dictate tissue residency and mediate function from the nanoscale to the tissue environment.
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