Table 1 Pre-clinical research targeting cancer stem cells with mTOR inhibitors in vitro depending upon types of cancers.
From: Targeted therapy of cancer stem cells: inhibition of mTOR in pre-clinical and clinical research
Cancer type | Drug name | Target molecules | Co-treatment | Results | Refs |
---|---|---|---|---|---|
Bone marrow cancer stem cell | S14161 | PI3K, AKT, mTOR | - | Reduction in proportion of SP cells | [113] |
Breast cancer stem cell | Metformin | mTOR, AMPK | - | Reduction in number and size of tumor spheres | |
FEC | Decrease of CSC ability | [89] | |||
Rapamycin | mTORC1 | - | Reduction in number of mammospheres Increase in radio-sensitivity of CSCs | [90] | |
VS-5584 | mTORC1/2, PI3K | - | Reduction in number of tumor spheres Induction of CSC apoptosis | [86] | |
Paclitaxel | Reduction of CSC population | ||||
CNS cancer stem cell | Alpelisib | PI3K, AKT, mTOR | - | Increase in anti-neoplastic effects of CSCs | [103] |
Dactolisib | PI3K, mTOR | - | Reduction in tumorigenicity and proliferation of CSCs Increase in radio-sensitivity of CSCs | ||
AZD2014 | mTORC1/2 | - | Increase in radio-sensitivity of CSCs | [100] | |
FC85 | AKT, mTOR | ISA27 | Induction of CSC apoptosis Reduction of CSC viability Promotion of CSC differentiation | [96] | |
Rapamycin | mTORC1 | - | Reduction of CSC proliferation | ||
ATRA | [97] | ||||
Colon cancer stem cell | Dactolisib | PI3K, mTOR | - | Reduction of CSC stemness and proliferation | [94] |
Increase of CSC differentiation | [93] | ||||
PF-04691502 | PI3K, mTOR | - | Reduction of CSC proliferation | [95] | |
Rapamycin | mTORC1 | - | Increase of CSC differentiation | [93] | |
pp242 | Reduction in tumor-sphere formation capacity of CSCs | ||||
Torin-1 | mTORC2 | - | Reduction in growth, motility, invasion and survival of CSCs | [91] | |
Liver cancer stem cell | Rapamycin | mTORC1 | DAPT | Increase of CSC markers | [104] |
Temsirolimus | mTORC1 | Baicalein | Elimination of dug resistance of CSCs | [105] | |
Lung cancer stem cell | β-elemene | PI3K, AKT, mTOR | Cisplatin | Induction of CSC apoptosis | [112] |
Rapamycin | mTORC1 | - | Reduction in sphere formation of CSCs | [111] | |
Ovarian cancer stem cell | Dactolisib | PI3K, mTOR | Cisplatin | Reduction in colony formation ability, EMT, and marker expression of CSCs | [114] |
Pancreas cancer stem cell | AZD8055 | mTORC1/2 | BMS-777607 | Reduction of CSC viability | [109] |
Dactolisib | PI3K, mTOR | - | Reduction of tumor growth Decrease in self-renewal capacity, pluripotency factors, and EMT factors of CSCs | [106] | |
Rapamycin | mTORC1 | - | Reduction in sphere formation and anchorage-independent growth of CSCs | [107] | |
GANT61 | Reduction in sphere formation of CSCs | [108] | |||
Salivary gland cancer stem cell | Rapamycin | mTORC1 | - | Induction of CSC apoptosis | [115] |
Temsirolimus | |||||
Smooth muscle cancer stem cell | Dactolisib | PI3K, mTOR | - | Reduction in stemness properties of CSCs | [110] |