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Updated: Mar 10, 2026
Integration of Bioinformatics Approaches and Experimental Validations to Understand the Role of Notch Signaling in Ovarian Cancer
Published on: January 12, 2020
The Varied Roles of Notch in Cancer
Jon C Aster1, Warren S Pear2, Stephen C Blacklow3
1Department of Pathology, Brigham and Women's Hospital and Harvard Medical School, Boston, Massachusetts 02115;
Abstract:
Notch receptors influence cellular behavior by participating in a seemingly simple signaling pathway, but outcomes produced by Notch signaling are remarkably varied depending on signal dose and cell context. Here, after briefly reviewing new insights into physiologic mechanisms of Notch signaling in healthy tissues and defects in Notch signaling that contribute to congenital disorders and viral infection, we discuss the varied roles of Notch in cancer, focusing on cell autonomous activities that may be either oncogenic or tumor suppressive.
Insights
Notch signaling outcomes vary greatly based on dose and cell context. This pathway impacts healthy tissues, congenital disorders, viral infections, and cancer, where it can be oncogenic or tumor suppressive.
Area of Science:
- Cellular biology
- Molecular signaling
- Cancer research
Background:
- Notch receptors initiate a signaling pathway with diverse cellular outcomes.
- Signal dose and cellular context critically determine Notch pathway effects.
- Notch signaling is implicated in healthy tissue physiology, congenital disorders, and viral infections.
Purpose of the Study:
- To review recent findings on Notch signaling mechanisms.
- To explore the dual role of Notch signaling in cancer, acting as either oncogenic or tumor suppressive.
- To focus on cell-autonomous Notch activities in tumorigenesis.
Main Methods:
- Literature review of physiologic mechanisms.
- Analysis of Notch signaling defects in disease.
- Discussion of Notch's role in cancer, emphasizing cell-autonomous functions.
Main Results:
- Notch signaling is complex, with context-dependent outcomes.
- Defects in Notch signaling contribute to congenital disorders and viral infections.
- Notch pathway exhibits both oncogenic and tumor-suppressive cell-autonomous activities in cancer.
Conclusions:
- Notch signaling's impact is highly variable, influenced by dose and cellular environment.
- Understanding Notch's multifaceted roles is crucial for therapeutic strategies in cancer and other diseases.
- Further research into cell-autonomous Notch activities can elucidate its complex role in cancer progression.
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