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Published on: June 20, 2015
The Potential of panHER Inhibition in Cancer
Xiaochun Wang1, Kathleen M Batty1, Philip J Crowe1
1Sarcoma Nano-Oncology Group, Adult Cancer Program, Lowy Cancer Research Centre, Prince of Wales Clinical School, University of New South Wales (UNSW) , Sydney, NSW , Australia ; Department of Surgery, Prince of Wales Clinical School, University of New South Wales (UNSW) , Sydney, NSW , Australia.
Purpose:
Hyper-activation of the HER (erbB) family receptors, HER 1-4, leads to up-regulation of the three vital signaling pathways: mitogen activated protein kinase, phosphoinositide 3-kinase/AKT, and Janus kinase/signal transducer and activator of transcription pathways. Blocking HER1/EGFR has a limited anticancer effect due to either secondary mutation e.g., T790M or by-pass signaling of other HER members. The emergence of an anti-panHER approach to blockade of these pathways as a cancer treatment may provide a solution to this resistance. This review aimed to provide an overview of the HER signaling pathways and their involvement in tumor progression and examine the current progress in panHER inhibition.
Methods:
Recent literature associated with HER signaling pathways and panHER inhibition was reviewed through PubMed and Medline database, followed by critical comparison and analysis.
Results:
Pre-clinical studies and clinical trials of panHER inhibitors show promising results, and the potential to improve patient outcomes in solid cancers.
Conclusion:
The use of panHER inhibitors in cancers with HER-family hyper-activation, such as other epithelial cancers and sarcoma, is a new direction to research and has potential in clinical cancer therapy in the future.
Insights
Targeting all HER family receptors (panHER) offers a promising cancer therapy approach. PanHER inhibitors show potential to overcome resistance and improve outcomes in solid tumors.
Area of Science:
- Oncology
- Molecular Biology
- Cancer Signaling
Background:
- Hyper-activation of human epidermal growth factor (HER) receptors (HER1-4) drives key cancer signaling pathways.
- Targeting individual HER receptors like HER1/EGFR shows limited efficacy due to resistance mechanisms such as secondary mutations or bypass signaling.
- The development of panHER inhibitors aims to overcome these limitations by blocking multiple HER family members simultaneously.
Purpose of the Study:
- To review the role of HER signaling pathways in tumor progression.
- To examine the progress and potential of panHER inhibition as a cancer treatment strategy.
Main Methods:
- A comprehensive literature review was conducted using PubMed and Medline databases.
- Studies on HER signaling pathways and panHER inhibition were critically analyzed.
Main Results:
- Pre-clinical studies and clinical trials indicate that panHER inhibitors yield promising results.
- These inhibitors demonstrate potential for improving patient outcomes in various solid cancers.
Conclusions:
- PanHER inhibition represents a novel therapeutic direction for cancers with HER-family hyper-activation.
- This approach holds significant potential for future clinical cancer therapy, particularly in epithelial cancers and sarcomas.
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