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TGFβ attenuates tumour response to PD-L1 blockade by contributing to exclusion of T cells

Abstract

In humans, TGFβ signalling is associated with lack of response to immunotherapy in immune-excluded tumours; in mouse models of this immune phenotype, robust tumour infiltration by T cells and tumour regression are observed only when checkpoint inhibition is combined with inhibition of TGFβ signalling.

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