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LAG3 disrupts the TCR signal by local acidification

LAG3 interferes with TCR signaling by lowering the pH in the vicinity of the TCR and inducing dissociation of the key signaling kinase Lck from the co-receptors CD8 and CD4.

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Fig. 1: Schematic representation of the inhibitory effects of LAG3.

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Correspondence to Claire Hivroz.

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Hivroz, C. LAG3 disrupts the TCR signal by local acidification. Nat Immunol 23, 649–651 (2022). https://doi.org/10.1038/s41590-022-01196-0

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