T-cell receptors (TCR) are an antigen receptor class that can uniquely respond to epitopes resulting from cytosolic and intranuclear proteins. In this issue, Kim and colleagues report the first successful application of TCR gene therapy targeting a shared, or public, neoantigen resulting from a TP53 hotspot mutation. These results establish clinical proof of concept that an off-the-shelf TCR targeting a recurrent mutation in a molecular driver of oncogenesis can benefit patients with metastatic cancer.

See related article by Kim et al., p. 932 (4).

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