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Published on: July 21, 2018
Bioactive PI3-kinase/Akt/mTOR Inhibitors in Targeted Lung Cancer Therapy
Somayyeh Ghareghomi1, Vahideh Atabaki2, Naseh Abdollahzadeh3
1Department of Biochemistry, Institute of Biochemistry and Biophysics (IBB), University of Tehran, Tehran, Iran.
Abstract:
One of the central signaling pathways with a regulatory effect on cell proliferation and survival is Akt/mTOR. In many human cancer types, for instance, lung cancer, the overexpression of Akt/mTOR has been reported. For this reason, either targeting cancer cells by synthetic or natural products affecting the Akt/mTOR pathway down-regulation is a useful strategy in cancer therapy. Direct inhibition of the signaling pathway or modulation of each related molecule could have significant feedback on the growth and proliferation of cancer cells. A variety of secondary metabolites has been identified to directly inhibit the AKT/mTOR signaling, which is important in the field of drug discovery. Naturally occurring nitrogenous and phenolic compounds can emerge as two pivotal classes of natural products possessing anticancer abilities. Herein, we have summarized the alkaloids and flavonoids for lung cancer treatment together with all the possible mechanisms of action relying on the Akt/mTOR pathway down-regulation. This review suggested that in search of new drugs, phytochemicals could be considered as promising scaffolds to be developed into efficient drugs for the treatment of cancer. In this review, the terms "Akt/mTOR", "Alkaloid", "flavonoid", and "lung cancer" were searched without any limitation in search criteria in Scopus, PubMed, Web of Science, and Google scholar engines.
Insights
Natural alkaloids and flavonoids show promise for lung cancer therapy by targeting the Akt/mTOR pathway. These phytochemicals offer potential new drug scaffolds for cancer treatment by down-regulating cancer cell proliferation and survival.
Area of Science:
- Biochemistry
- Pharmacology
- Oncology
Background:
- The Akt/mTOR signaling pathway is crucial for cell proliferation and survival.
- Overexpression of Akt/mTOR is frequently observed in human cancers, including lung cancer.
- Targeting the Akt/mTOR pathway is a key strategy in cancer therapy.
Purpose of the Study:
- To review natural alkaloids and flavonoids as potential treatments for lung cancer.
- To explore their mechanisms of action, focusing on Akt/mTOR pathway down-regulation.
- To highlight phytochemicals as promising scaffolds for novel anti-cancer drug development.
Main Methods:
- Comprehensive literature search using Scopus, PubMed, Web of Science, and Google Scholar.
- Focused on keywords: "Akt/mTOR", "Alkaloid", "flavonoid", and "lung cancer".
- Review and synthesis of identified studies on natural products targeting the Akt/mTOR pathway in lung cancer.
Main Results:
- A variety of natural alkaloids and flavonoids directly inhibit the Akt/mTOR signaling pathway.
- These compounds demonstrate potential in down-regulating cancer cell proliferation and survival.
- Phytochemicals represent a significant source for discovering new anti-cancer agents.
Conclusions:
- Alkaloids and flavonoids are pivotal natural product classes with anticancer potential.
- Targeting the Akt/mTOR pathway with these compounds offers a viable therapeutic strategy for lung cancer.
- Phytochemicals warrant further investigation as scaffolds for developing effective lung cancer drugs.
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