Gedatolisib (PKI-587) is a highly potent dual inhibitor of PI3Kα, PI3Kγ, and mTOR with IC50s of 0.4 nM, 5.4 nM and 1.6 nM, respectively. PKI-587 is equally effective in both complexes of mTOR, mTORC1 and mTORC2.
PI3Kγ inhibitor 3 is a potent and remarkably selective PI3Kγ inhibitor with pIC50s of 9.1, 5.1, <4.5, and 6.5 for PI3Kγ, PI3Kα, PI3Kβ, and PI3Kδ, respectively[1].
PI3Kγ inhibitor 7 (compound 2) is a potent and orally active PI3Kγ inhibitor with IC50 values of 4768, 878.1, 3.42, 355.2 nM for PI3Kα, PI3Kβ, PI3Kγ, PI3Kδ, respectively. PI3Kγ inhibitor 7 shows antitumor activity[1].
AZD8154 is a novel inhaled selective PI3Kγδ dual inhibitor targeting airway inflammatory disease.
WNY1613 is a potent and selective PI3Kδ inhibitor with piperazinone-containing purine scaffold. WNY1613 induces cancer cell apoptosis and inhibits the phosphorylation of PI3K downstream components in NHL cell lines. WNY1613 exhibits anti-NHL activity in vitro and in vivo[1].
KU-0060648 is a dual inhibitor of PI3K and DNA-PK with IC50s of 4 nM, 0.5 nM, 0.1 nM, 0.594 nM and 8.6 nM for PI3Kα, PI3Kβ, PI3Kγ, PI3Kδ and DNA-PK, respectively[1].
Glaucocalyxin A, an ent-kauranoid diterpene from Rabdosia japonica var., induces apoptosis in osteosarcoma by inhibiting nuclear translocation of Five-zinc finger Glis 1 (GLI1) via regulating PI3K/Akt signaling pathway. Glaucocalyxin A has antitumor effect[1].
PI3K-IN-32 (compound 35) is a potent PI3K p110α inhibitor with an pIC50 of 6.85[1].
PI3Kα-IN-6 (Compound 5b) is a PI3Kα inhibitor. PI3Kα-IN-6 exhibits anticancer potential and no toxicity in normal cells. PI3Kα-IN-6 increases generation of ROS, reduces mitochondrial membrane potential (MMP) and induces apoptosis[1].
PI3Kγ inhibitor 5 is an inhibitor of phosphoinositide 3-kinase γ (PI3Kγ) with an IC50 value of 34 nM.
iMDK is a small molecule inhibitor of the growth factor Midkine (MDK) that suppresses the endogenous expression of MDK but not other growth factors such as PTN or VEGF; inhibits the cell growth of MDK-positive H441 lung adenocarcinoma cells that harbor an oncogenic KRAS mutation and H520 squamous cell lung cancer cells, inhibits PI3K pathway and induces apoptosis; significantly inhibits tumor growth in a xenograft mouse model in vivo.
Ganoderic acid DM, a natural triterpenoid isolated from Ganoderma lucidum, induces DNA damage, G1 cell cycle arrest and apoptosis in human breast cancer cells. Ganoderic acid DM as a specific inhibitor of osteoclastogenesis[1][2].
IITZ-01 is a potent lysosomotropic autophagy inhibitor with single-agent antitumor activity, with an IC50 of 2.62 μM for PI3Kγ.
Doxepin inhibits reuptake of serotonin and norepinephrine as a tricyclic antidepressant. Doxepin has therapeutic effects in atopic dermatitis，chronic urticarial，can improve cognitive processes， protect central nervous system. Doxepin has also been proposed as a protective factor against oxidative stress[1][2][3].
Sophocarpine (monohydrate) is one of the significant alkaloid extracted from the traditional herb medicine Sophora flavescens which has many pharmacological properties such as anti-virus, anti-tumor, anti-inflammatory. Sophocarpine (monohydrate) significantly inhibits the growth of gastric cancer (GC) cells through multiple mechanisms such as induction of autophagy, activation of cell apoptosis and down-regulation of cell survival PI3K/AKT signaling pathway. Sophocarpine (monohydrate) has been demonstrated to have anti-tumor activity in various cancer cells, including hepatocellular carcinoma, prostate cancer and colorectal cancer[1].
PI3K-IN-27 is a potent inhibitor of PI3K. PI3K belongs to a large family of lipid signaling kinase that plays key role in cellular process including cell growth, differentiation, migration and apoptosis. PI3K-IN-27 has the potential for the research of hyper-proliferative diseases like cancer and inflammation, or immune and autoimmune diseases (extracted from patent WO2021233227A1, compound 1)[1].
PI3Kγ inhibitor 4 is a potent, selective and orally active inhibitor of PI3Kγ, with an IC50 of 40 nM. PI3Kγ inhibitor 4 shows ∼7, 43, and 18-fold selectivity for PI3Kγ over the α, β, and δ isoforms, respectively. PI3Kγ inhibitor 4 can be used for the research of airway inflammation[1].
PI3K/mTOR Inhibitor-3 (compound 12), an imidazoline, is a potent PI3K and mTOR dual inhibitor. PI3K/mTOR Inhibitor-3 has anti-cancer activity[1].
Vps34-IN-4 (compound 19) is a potent, selective, and orally active inhibitor of VPS34. Vps34-IN-4 inhibits the autophagy in vivo. Autophagy is a dynamic process that regulates lysosomal-dependent degradation of cellular components[1].
Polygalasaponin F, an oleanane-type triterpenoid saponin extracted from Polygala japonica, decreases the release of the inflammatory cytokine tumor necrosis factor a (TNFa). Polygalasaponin F reduces neuroinflammatory cytokine secretion through the regulation of the TLR4-PI3K/AKT-NF-kB signaling pathway [1].
NVP-BAG956 is an ATP-competitive PI3K inhibitor with IC50s of 34, 56, 112 and 444 nM for PI3Kδ, PI3Kα, PI3Kγ and PI3Kβ, respectively.
NVP-CLR457 (compound 40) is an orally active, potent and balanced pan-class I PI3K inhibitor. NVP-CLR457 shows a clear dose-dependent PK/PD/efficacy relationship. NVP-CLR457 has antitumor activity[1].
Copanlisib (BAY 80-6946) is a selective and ATP-competitive class-I PI3 kinases inhibitor, with IC50s of 0.5, 0.7, 3.7 and 6.4 nM for PI3Kα, PI3Kδ, PI3Kβ and PI3Kγ, respectively.
ATR-IN-15 (compound 1) is an orally active and potent ATR kinase inhibitor, with an IC50 of 8 nM. ATR-IN-15 also inhibits human colon tumor cells LoVo, DNA-PK and PI3K, with IC50 values of 47, 663 and 5131 nM, respectively[1].
SKI V is a noncompetitive and potent non-lipid sphingosine kinase (SPHK; SK) inhibitor with an IC50 of 2 μM for GST-hSK. SKI V potently inhibits PI3K with an IC50 of 6 μM for hPI3k. SKI V decreases formation of the mitogenic second messenger sphingosine-1-phosphate (S1P). SKI V induces apoptosis and has antitumor activity[1][2].
PI4K-IN-1 (compound 44) is a potent PI4KIII inhibitor, with pIC50 values of 9.0 and 6.6 for PI4KIIIα and PI4KIIIβ, respectively. PI4K-IN-1 also inhibits PI3Kα/β/γ/δ, with pIC50 values of 4.0/<3.7/5.0/<4.1, respectively[1].
MSC2360844 is a potent, orally active and selective PI3Kδ inhibitor, with an IC50 of 145 nM. MSC2360844 shows highly selective against a panel of 278 additional kinases[1].
PI3K-IN-28 (Compound 6c) is a potent inhibitor of PI3K. PI3K-IN-28 displays the most potent activity with lower toxic effects on MCF-10a. PI3K-IN-28 displays half-maximal inhibitory concentration (IC50, μM) values of 5.8, 2.3, and 7.9. PI3K-IN-28 is the most potent one with a selectivity index (SI) of 39 and is considered as a latent lead for further optimization of anticancer agents[1].
GDC-0941 (Pictilisib) is a potent inhibitor of PI3Kα/δ with an IC50 of 3 nM, with modest selectivity against p110β (11-fold) and p110γ (25-fold).
Sophocarpine is one of the significant alkaloid extracted from the traditional herb medicine Sophora flavescens which has many pharmacological properties such as anti-virus, anti-tumor, anti-inflammatory. Sophocarpine significantly inhibits the growth of gastric cancer (GC) cells through multiple mechanisms such as induction of autophagy, activation of cell apoptosis and down-regulation of cell survival PI3K/AKT signaling pathway. Sophocarpine has been demonstrated to have anti-tumor activity in various cancer cells, including hepatocellular carcinoma, prostate cancer and colorectal cancer[1].