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Radiotherapy sensitizes unresponsive tumors to the antineoplastic activity of antibodies that target the inhibitory receptor CTLA-4 on T cells. One molecular mechanism accounting for this therapeutic synergy is the induction of NKG2D ligands on irradiated tumor cells. The fact that NKG2D receptors must be engaged for the elicitation of CD8+ T-cell antitumor responses has important clinical implications.

Original publication

DOI

10.4161/onci.23127

Type

Journal article

Journal

Oncoimmunology

Publication Date

01/03/2013

Volume

2

Keywords

CTLA-4, NKG2D, RAE-1, abscopal effect, ipilimumab, radiotherapy, synergy, tumor rejection