期刊
MOLECULES
卷 27, 期 16, 页码 -出版社
MDPI
DOI: 10.3390/molecules27165295
关键词
mTOR inhibitors; mTOR; human diseases; dual inhibitors
资金
- Shandong Provincial Natural Science Foundation [ZR2019BB031, ZR2020QB114]
- National Natural Science Foundation of China [81903780, 82004233]
The mammalian target of rapamycin (mTOR) is a crucial protein kinase involved in various cellular processes. Inhibitors of mTOR have shown antiviral, anti-inflammatory, and antiproliferative effects and have been applied in the research of different diseases.
The mammalian target of rapamycin (mTOR) is a serine/threonine kinase that belongs to the phosphoinositide 3-kinase (PI3K)-related kinase (PIKK) family. The kinase exists in the forms of two complexes, mTORC1 and mTORC2, and it participates in cell growth, proliferation, metabolism, and survival. The kinase activity is closely related to the occurrence and development of multiple human diseases. Inhibitors of mTOR block critical pathways to produce antiviral, anti-inflammatory, antiproliferative and other effects, and they have been applied to research in cancer, inflammation, central nervous system diseases and viral infections. Existing mTOR inhibitors are commonly divided into mTOR allosteric inhibitors, ATP-competitive inhibitors and dual binding site inhibitors, according to their sites of action. In addition, there exist several dual-target mTOR inhibitors that target PI3K, histone deacetylases (HDAC) or ataxia telangiectasia mutated and Rad-3 related (ATR) kinases. This review focuses on the structure of mTOR protein and related signaling pathways as well as the structure and characteristics of various mTOR inhibitors. Non-rapalog allosteric inhibitors will open new directions for the development of new therapeutics specifically targeting mTORC1. The applications of ATP-competitive inhibitors in central nervous system diseases, viral infections and inflammation have laid the foundation for expanding the indications of mTOR inhibitors. Both dual-binding site inhibitors and dual-target inhibitors are beneficial in overcoming mTOR inhibitor resistance.
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