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Current Pharmaceutical Design

Editor-in-Chief

ISSN (Print): 1381-6128
ISSN (Online): 1873-4286

Review Article

PI3K/Akt/mTOR Intracellular Pathway and Breast Cancer: Factors, Mechanism and Regulation

Author(s): Var Ruchi Sharma, Girish Kumar Gupta, A. K. Sharma, Navneet Batra, Daljit K. Sharma, Amit Joshi and Anil K. Sharma*

Volume 23, Issue 11, 2017

Page: [1633 - 1638] Pages: 6

DOI: 10.2174/1381612823666161116125218

Price: $65

Abstract

Background: The most recurrent and considered second most frequent cause of cancer-related deaths worldwide in women is the breast cancer. The key to diagnosis is early prediction and a curable stage but still treatment remains a great clinical challenge.

Origin of the Problem: A number of studies have been carried out for the treatment of breast cancer which includes the targeted therapies and increased survival rates in women. Essential PI3K/mTOR signaling pathway activation has been observed in most breast cancers. The cell growth and tumor development in such cases involve phosphoinositide 3 kinase (PI3K)/Akt/mammalian target of rapamycin (mTOR) complex intracellular pathway.

Hypothesis: Through preclinical and clinical trials, it has been observed that there are a number of other inhibitors of PI3K/Akt/mTOR pathway, which either alone or in combination with cytotoxic agents can be used for endocrine therapies.

Conclusion: Structure and regulation/deregulation of mTOR provides a greater insight into the action mechanism. Also, through this review, one could easily scan first and second generation inhibitors for PI3K/Akt/mTOR pathway besides targeted therapies for breast cancer and the precise role of mTOR.

Keywords: PI3K/Akt/mTOR, breast cancer, cell proliferation, intracellular, cytotoxic, therapy.


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