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Updated: Nov 18, 2025

Monitoring Hippo Signaling Pathway Activity Using a Luciferase-based Large Tumor Suppressor LATS Biosensor
Published on: September 13, 2018
Targeting the Hippo Pathway in Prostate Cancer: What's New?
1Solid Tumour Target Discovery Laboratory, Translational and Clinical Research Institute, Newcastle University Centre for Cancer, Faculty of Medical Sciences, Newcastle University, Newcastle upon Tyne NE2 4HH, UK.
Abstract:
Identifying novel therapeutic targets for the treatment of prostate cancer (PC) remains a key area of research. With the emergence of resistance to androgen receptor (AR)-targeting therapies, other signalling pathways which crosstalk with AR signalling are important. Over recent years, evidence has accumulated for targeting the Hippo signalling pathway. Discovered in Drosophila melanogasta, the Hippo pathway plays a role in the regulation of organ size, proliferation, migration and invasion. In response to a variety of stimuli, including cell-cell contact, nutrients and stress, a kinase cascade is activated, which includes STK4/3 and LATS1/2 to inhibit the effector proteins YAP and its paralogue TAZ. Transcription by their partner transcription factors is inhibited by modulation of YAP/TAZ cellular localisation and protein turnover. Trnascriptional enhanced associate domain (TEAD) transcription factors are their classical transcriptional partner but other transcription factors, including the AR, have been shown to be modulated by YAP/TAZ. In PC, this pathway can be dysregulated by a number of mechanisms, making it attractive for therapeutic intervention. This review looks at each component of the pathway with a focus on findings from the last year and discusses what knowledge can be applied to the field of PC.
Insights
The Hippo signalling pathway, involving YAP/TAZ, is a promising therapeutic target for prostate cancer (PC) due to its dysregulation and crosstalk with androgen receptor (AR) signalling, especially in therapy-resistant cases.
Area of Science:
- Molecular Biology
- Cancer Research
- Cell Signalling
Background:
- Prostate cancer (PC) treatment faces challenges with resistance to androgen receptor (AR)-targeting therapies.
- The Hippo signalling pathway, crucial for organ size and cell dynamics, is increasingly recognized for its role in cancer.
- The Hippo pathway components, including STK4/3, LATS1/2, YAP, and TAZ, regulate gene transcription and cellular processes.
Purpose of the Study:
- To review the Hippo signalling pathway's components and their relevance to prostate cancer.
- To highlight recent findings (last year) concerning the Hippo pathway.
- To explore therapeutic potential of targeting the Hippo pathway in PC, considering AR signalling crosstalk.
Main Methods:
- Literature review focusing on the Hippo signalling pathway and its role in prostate cancer.
- Analysis of recent research (within the last year) on Hippo pathway components (STK4/3, LATS1/2, YAP, TAZ, TEAD).
- Examination of the interplay between Hippo pathway and AR signalling in PC.
Main Results:
- The Hippo pathway is dysregulated in PC through various mechanisms.
- YAP/TAZ, key Hippo pathway effectors, can modulate AR activity and other transcription factors.
- Recent findings underscore the Hippo pathway's significant role in PC progression and therapeutic resistance.
Conclusions:
- The Hippo signalling pathway represents a promising novel therapeutic target for prostate cancer.
- Understanding the crosstalk between Hippo and AR signalling is critical for developing effective PC treatments.
- Further research into targeting YAP/TAZ and their associated transcription factors (TEAD) could yield new PC therapies.
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