Highlights d HNF4A loss upregulates GSK3b and drives a squamous-like metabolic profile d GSK3b targeting inhibits glycolysis in squamous patientderived cell lines (PDCLs) d A subset of squamous PDCLs acquires GSK3b drug tolerance d ATAC-seq analysis reveals an accessible WNT gene program in drug-tolerant PDCLs

Tumorigenesis is a highly complex process, involving many interrelated and cross-acting signalling pathways. One such pathway that has garnered much attention in the field of cancer research over the last decade is the Hippo signalling pathway. Consisting of two antagonistic modules, the pathway plays an integral role in both tumour suppressive and oncogenic processes, generally via regulation of a diverse set of genes involved in a range of biological functions. This review discusses the history of the pathway within the context of cancer and explores some of the most recent discoveries as to how this critical transducer of cellular signalling can influence cancer progression. A special focus is on the various recent efforts to therapeutically target the key effectors of the pathway in both preclinical and clinical settings.

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