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Phospholipid Mediator Induced Transformation in Three-Dimensional Cultures
Published on: July 27, 2022
Multifaceted roles of PGE2 in inflammation and cancer
Masako Nakanishi1, Daniel W Rosenberg
1Center for Molecular Medicine, University of Connecticut Health Center, 263 Farmington Avenue, Farmington, CT 06030-3101, USA.
Abstract:
Prostaglandin E(2) (PGE(2)) is a bioactive lipid that elicits a wide range of biological effects associated with inflammation and cancer. PGE(2) exerts diverse effects on cell proliferation, apoptosis, angiogenesis, inflammation, and immune surveillance. This review concentrates primarily on gastrointestinal cancers, where the actions of PGE(2) are most prominent, most likely due to the constant exposure to dietary and environmental insults and the intrinsic role of PGE(2) in tissue homeostasis. A discussion of recent efforts to elucidate the complex and interconnected pathways that link PGE(2) signaling with inflammation and cancer is provided, supported by the abundant literature showing a protective effect of NSAIDs and the therapeutic efficacy of targeting mPGES-1 or EP receptors for cancer prevention. However, suppressing PGE(2) formation as a means of providing chemoprotection against all cancers may not ultimately be tenable, undoubtedly the situation for patients with inflammatory bowel disease. Future studies to fully understand the complex role of PGE(2) in both inflammation and cancer will be required to develop novel strategies for cancer prevention that are both effective and safe.
Insights
Prostaglandin E(2) (PGE(2)) significantly impacts inflammation and cancer, particularly in the gastrointestinal tract. While targeting PGE(2) shows promise for cancer prevention, its complex role necessitates further research for safe and effective strategies.
Area of Science:
- Biochemistry
- Oncology
- Immunology
Background:
- Prostaglandin E(2) (PGE(2)) is a key bioactive lipid involved in cellular processes relevant to inflammation and cancer.
- Its effects span cell proliferation, apoptosis, angiogenesis, and immune responses.
- Gastrointestinal cancers are a primary focus due to constant environmental exposure and PGE(2)'s role in tissue homeostasis.
Purpose of the Study:
- To review the intricate pathways linking PGE(2) signaling with inflammation and cancer.
- To discuss the therapeutic potential of targeting PGE(2) pathways for cancer prevention.
Main Methods:
- Literature review focusing on the role of PGE(2) in gastrointestinal cancers.
- Analysis of studies on NSAIDs, mPGES-1 inhibitors, and EP receptor antagonists.
Main Results:
- Abundant literature supports the chemoprotective effects of NSAIDs.
- Targeting mPGES-1 or EP receptors shows therapeutic efficacy in cancer prevention.
- The role of PGE(2) is complex, and suppressing it may not be universally beneficial, especially in inflammatory bowel disease.
Conclusions:
- PGE(2) signaling is deeply intertwined with inflammation and cancer development.
- Targeting PGE(2) pathways offers potential for cancer prevention, but requires careful consideration of individual conditions.
- Further research is essential to develop safe and effective cancer prevention strategies targeting PGE(2).
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