Multi-Functional Regulation by YAP/TAZ Signaling Networks in Tumor Progression and Metastasis
Cancers(2023)
Abstract
Simple Summary YAP and TAZ are both transcriptional co-activators in the Hippo pathway. New evidence reveals that they have unique and overlapping functions during tumor progression and metastasis. Here, we discuss current knowledge on YAP and TAZ structure and regulation, document recent findings detailing the role of YAP and TAZ in tumor invasion and metastatic spread, and discuss specific YAP/TAZ targets and therapies. This review underscores the importance of the YAP and TAZ co-activators in cancer metastasis.Abstract The Hippo pathway transcriptional co-activators, YES-associated protein (YAP) and Transcriptional Co-Activator with PDZ Binding Motif (TAZ), have both been linked to tumor progression and metastasis. These two proteins possess overlapping and distinct functions, and their activities lead to the expression of genes involved in multiple cellular processes, including cell proliferation, survival, and migration. The dysregulation of YAP/TAZ-dependent cellular processes can result in altered tumor growth and metastasis. In addition to their well-documented roles in the regulation of cancer cell growth, survival, migration, and invasion, the YAP/TAZ-dependent signaling pathways have been more recently implicated in cellular processes that promote metastasis and therapy resistance in several solid tumor types. This review highlights the role of YAP/TAZ signaling networks in the regulation of tumor cell plasticity mediated by hybrid and reversible epithelial-mesenchymal transition (EMT) states, and the promotion of cancer stem cell/progenitor phenotypes. Mechanistically, YAP and TAZ regulate these cellular processes by targeting transcriptional networks. In this review, we detail recently uncovered mechanisms whereby YAP and TAZ mediate tumor growth, metastasis, and therapy resistance, and discuss new therapeutic strategies to target YAP/TAZ function in various solid tumor types. Understanding the distinct and overlapping roles of YAP and TAZ in multiple cellular processes that promote tumor progression to metastasis is expected to enable the identification of effective therapies to treat solid tumors through the hyper-activation of YAP and TAZ.
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Key words
YAP/TAZ signaling,tumor metastasis,TEAD-dependent transcription,transcriptional targets,therapeutic strategies
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