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MAPK signalling pathway in cancers: Olive products as cancer preventive and therapeutic agents
Ilaria Peluso1, Nagendra Sastry Yarla2, Roberto Ambra1
1Research Centre for Food and Nutrition, Council for Agricultural Research and Economics (CREA-AN), Rome, Italy.
Abstract:
The mitogen-activated protein kinases (MAPKs) are fundamental in inflammation and cancer control, through the crosstalk between the redox regulated nuclear factor E2-related factor 2 (Nrf2) and nuclear factor-kB (NFκB) gene expression. MAPKs regulate various cellular activities involved in cancer progression, including proliferation, apoptosis and immune escape and blockade of upstream kinases is a current therapeutic strategy. However, these therapies are associated with some adverse effects and with the paradoxical activation of the MAPKs pathway. In the context of cancer prevention and treatment, it has been suggested that dietary factors are able to modulate cancer initiation and progression by interacting with the MAPKs. Within these dietary factors, virgin olive oil (VOO) is of particular interest due to its content in squalene, already used as drug delivery system in cancer therapy. The aim of this review is to discuss the studies pointing to the effects of olive-derived foodstuff and nutraceuticals on MAPKs signalling cascades. The reviewed experimental studies suggest that the stress-activated JNK and p38 MAPKs could be targets of olive-derived nutraceuticals. The latter, including phytochemicals from olive cultivation and processing wastes, could be adjuvants in chemotherapies, whereas VOO could be considered a "natural delivery system" of bioactive phytochemicals due to its high content in squalene.
Insights
Dietary virgin olive oil and its phytochemicals may target stress-activated mitogen-activated protein kinases (MAPKs) involved in cancer. Olive-derived compounds show potential as cancer prevention agents and chemotherapy adjuvants.
Area of Science:
- Molecular Biology
- Oncology
- Nutritional Science
Background:
- Mitogen-activated protein kinases (MAPKs) are crucial in inflammation and cancer, regulating proliferation, apoptosis, and immune escape.
- Current MAPK-targeting therapies face challenges like adverse effects and paradoxical pathway activation.
- Dietary factors can modulate cancer initiation and progression by interacting with MAPKs.
Purpose of the Study:
- To review studies on the effects of olive-derived foodstuffs and nutraceuticals on MAPK signaling cascades.
- To explore the potential of virgin olive oil (VOO) and its components in cancer prevention and therapy.
Main Methods:
- Literature review of experimental studies investigating olive-derived compounds and MAPK pathways.
- Analysis of the role of virgin olive oil's squalene content in drug delivery and phytochemical interaction.
Main Results:
- Experimental studies suggest stress-activated JNK and p38 MAPKs are potential targets of olive-derived nutraceuticals.
- Phytochemicals from olive cultivation and processing wastes may act as adjuvants in chemotherapy.
- Virgin olive oil, rich in squalene, shows potential as a natural delivery system for bioactive phytochemicals.
Conclusions:
- Olive-derived nutraceuticals, including phytochemicals, may modulate MAPK signaling, offering therapeutic potential in cancer.
- Virgin olive oil serves as a natural delivery system for bioactive compounds, supporting cancer prevention and treatment strategies.
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