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Current Molecular Pharmacology


ISSN (Print): 1874-4672
ISSN (Online): 1874-4702

Review Article

Mammalian Target of Rapamycin (mTOR) Signalling Pathway-A Potential Target for Cancer Intervention: A Short Overview

Author(s): Rajesh Basnet*, Buddha Bahadur Basnet, Radheshyam Gupta, TilBahadur Basnet, Sandhya Khadka and Md Shan Alam

Volume 17, 2024

Published on: 25 May, 2023

Article ID: e310323215268 Pages: 8

DOI: 10.2174/1874467217666230331081959



Background: The mammalian role of the rapamycin (mTOR) pathway is the practical nutrient-sensitive regulation of animal growth and plays a central role in physiology, metabolism, and common diseases. The mTOR is activated in response to nutrients, growth factors, and cellular energy. The mTOR pathway activates in various cellular processes and human cancer diseases. Dysfunction of mTOR signal transduction is associated with metabolic disorders, cancer for instance.

Objective: In recent years, significant achievements envisaged in developing targeted drugs for cancer. The global impact of cancer continues to grow. However, the focus of disease-modifying therapies remains elusive. The mTOR is a significant target in cancer to be considered for mTOR inhibitors, even though the costs are high. Despite many mTOR inhibitors, potent, selective inhibitors for mTOR are still limited. Therefore, in this review, the mTOR structure and protein-ligand interactions of utmost importance to provide the basis for molecular modelling and structure-based drug design are discussed.

Conclusion: This review introduces the mTOR, its crystal structure, and the latest research on mTOR.Besides, the role of mTOR in cancer, its function, and its regulation are reviewed. In addition, the mechanistic role of mTOR signalling networks in cancer and interaction with drugs that inhibit the development of mTOR and crystal structures of mTOR and its complexes are explored. Finally, the current status and prospects of mTOR-targeted therapy are addressed.

Keywords: mTOR, Cancer, mTOR1, mTOR 2, PIK3, Cell growth, Crystal structure.

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