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Updated: Mar 20, 2026

Integration of Bioinformatics Approaches and Experimental Validations to Understand the Role of Notch Signaling in Ovarian Cancer
Published on: January 12, 2020
Targeting Notch degradation system provides promise for breast cancer therapeutics
Jing Liu1, Jia-Xin Shen2, Xiao-Fen Wen2
1Chang Jiang Scholar's Laboratory, Shantou University Medical College, Shantou, Guangdong Province, PR China; Guangdong Provincial Key Laboratory for Diagnosis and Treatment of Breast Cancer, Cancer Hospital of Shantou University Medical College, Shantou, Guangdong Province, PR China.
Abstract:
Notch receptor signaling pathways play an important role, not only in normal breast development but also in breast cancer development and progression. As a group of ligand-induced proteins, different subtypes of mammalian Notch (Notch1-4) are sensitive to subtle changes in protein levels. Thus, a clear understanding of mechanisms of Notch protein turnover is essential for understanding normal and pathological mechanisms of Notch functions. It has been suggested that there is a close relationship between the carcinogenesis and the dysregulation of Notch degradation. However, this relationship remains mostly undefined in the context of breast cancer, as protein degradation is mediated by numerous signaling pathways as well as certain molecule modulators (activators/inhibitors). In this review, we summarize the published data regarding the regulation of Notch family member degradation in breast cancer, while emphasizing areas that are likely to provide new therapeutic modalities for mechanism-based anti-cancer drugs.
Insights
Notch signaling is crucial in breast development and cancer. Understanding Notch protein degradation is key to developing new breast cancer therapies targeting these pathways.
Area of Science:
- Molecular Biology
- Oncology
- Cell Signaling
Background:
- Notch receptor signaling pathways are integral to normal breast development and are implicated in breast cancer progression.
- Mammalian Notch receptors (Notch1-4) are sensitive to protein level fluctuations, making their turnover mechanisms critical for understanding normal and pathological functions.
- Dysregulation of Notch degradation is linked to carcinogenesis, but this relationship is poorly defined in breast cancer.
Purpose of the Study:
- To review the current understanding of Notch family member degradation regulation in breast cancer.
- To highlight potential therapeutic strategies for mechanism-based anti-cancer drugs targeting Notch degradation.
Main Methods:
- Literature review of published data on Notch degradation in breast cancer.
- Analysis of signaling pathways and molecular modulators affecting Notch protein turnover.
Main Results:
- Notch protein turnover is a complex process regulated by multiple signaling pathways and modulators.
- Specific mechanisms of Notch degradation in breast cancer are not fully elucidated.
- The review consolidates existing knowledge on Notch degradation in the context of breast cancer.
Conclusions:
- A comprehensive understanding of Notch protein degradation is essential for deciphering its role in breast cancer.
- Targeting Notch degradation pathways presents promising avenues for novel breast cancer therapeutics.
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