FD274 is a highly potent PI3K/mTOR dual inhibitor with IC50s of 0.65 nM, 1.57 nM, 0.65 nM, 0.42 nM, and 2.03 nM against PI3Kα/β/γ/δ and mTOR, respectively. FD274 exhibits significant anti-proliferation of AML cell lines (HL-60 and MOLM-16). FD274 demonstrates dose-dependent inhibition of tumor growth in the HL-60 xenograft model. FD274 has the potential for acute myeloid leukemia research[1].
6-O-Isobutyrylbritannilactone is a natural melanogenesis inhibitor. 6-O-Isobutyrylbritannilactone, a sesquiterpene, can be isolated from the flowers of Inula britannica. 6-O-Isobutyrylbritannilactone inhibits IBMX (HY-12318)-induced melanin production in B16F10 cells. 6-O-Isobutyrylbritannilactone also regulates ERK, PI3K/AKT, and CREB, shows antimelanogenic activity in zebrafish embryos models[1].
Alpelisib (BYL-719) is a potent and selective PI3Kα inhibitor with an IC50 of 5 nM.
Musk ketone (MK) is a widely used artificial fragrance. Musk ketone shows mutagenic and comutagenic effects in Hep G2 cells and induces neural stem cell proliferation and differentiation in cerebral ischemia via activation of the PI3K/Akt signaling pathway. In the brain, musk ketone is neuroprotective against stroke injury through inhibition of cell apoptosis[1][2][3].
PI3Kδ/γ-IN-2 is a potent PI3Kδ and PI3Kγ dual inhibitor with IC50s of 1 nM and 4.3 nM, respectively. PI3Kδ/γ-IN-2 has favorable oral bioavailability. PI3Kδ/γ-IN-2 has potential for battling B-cell malignancies[1].
PIK-293, an analog of IC87114, is a PI3K inhibitor, with IC50 values of 0.24 μM, 10 μM, 25 μM and 100 μM for p110δ, p110β, p110γ and p110α, respectively[1].
PI3K-IN-33 (Compound 6e) is a highly selective PI3K inhibitor with IC50 values of 11.73, 6.09 and 11.18 μM for PI3K-α、PI3K-β and PI3K-δ , respectively. PI3K-IN-33 arrests cell cycle at G2/M phase and induces apoptosis. PI3K-IN-33 can be used in leukemia research[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].
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.
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].
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].
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].
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].
PI3Kδ-IN-1 is a potent, selective, and efficacious PI3Kδ inhibitor with an IC50 of 1.7 nM.
Copanlisib dihydrochloride (BAY 80-6946 dihydrochloride) is a potent, selective and ATP-competitive pan-class I PI3K inhibitor, with IC50s of 0.5 nM, 0.7 nM, 3.7 nM and 6.4 nM for PI3Kα, PI3Kδ, PI3Kβ and PI3Kγ, respectively. Copanlisib dihydrochloride has more than 2,000-fold selectivity against other lipid and protein kinases, except for mTOR. Copanlisib dihydrochloride has superior antitumor activity[1].
GNE-490, a (thienopyrimidin-2-yl)aminopyrimidine, is a potent pan-PI3K inhibitor with IC50s of 3.5 nM, 25 nM, 5.2 nM, 15 nM for PI3Kα, PI3Kβ, PI3Kδ and PI3Kγ, respectively. GNE-490 has >200 fold selectivity for mTOR (IC50=750 nM). GNE-490 shows potent suppression efficacy profile against MCF7.1 breast cancer xenograft model[1].
IPI549 is a potent and selective PI3Kγ inhibitor with an IC50 of 16 nM.
PI3K-IN-9 (compound 1-14) is a potent and selective PI3Kδ inhibitor with an IC50 of 8.9 nM[1].
PI3K/mTOR Inhibitor-14 (compound Y-2) is a potent PI3K and mTOR dual inhibitor with IC50s of 171.4 nM and 10.1 nM, respectively. PI3K/mTOR Inhibitor-14 has antitumor activities[1].
AMG 511 is a potent and orally available pan inhibitor of class I PI3Ks, with Kis of 4 nM, 6 nM, 2 nM and 1 nM for PI3Kα, β, δ and γ, respectively. AMG 511 significantly suppresses PI3K signaling that is indicated by p-Akt (Ser473) decrease. AMG 511 exhibits anti-tumor activity in mouse glioblastoma xenograft model[1].
PI3Kδ-IN-15 (compound 6b) is a selective PI3Kδ inhibitor with an IC50 of 0.5 nM for p110δ. PI3Kδ-IN-15 inhibits PI3Kδ with >30-fold higher potency than PI3Kγ, PI3Kβ, and PI3Kα[1].
PI3K-IN-37 (Example 84.1) is a PI3K α/β/δ inhibitor with IC50s of 6, 8, 4 nM, respectively. PI3K-IN-37 can also inhibit mTOR (IC50=4 nM)[1].
UCL-TRO-1938 is a potent allosteric activator of PI3Kα with an EC50 value of approximately 60 μM. UCL-TRO-1938 can induce cell proliferation and has cardioprotective and neural regeneration effects[1].
PI3K-IN-31 (Compound 6b) is a potent PI3K inhibitor with IC50s of 3.7 nM, 74 nM, 14.6 nM, and 9.9 nM for PI3Kα, PI3Kβ, PI3Kγ, and PI3Kδ, respectively. PI3K-IN-31 has anticancer effects[1].
RLY-2608 is a first-in-class allosteric mutant-selective inhibitor of PI3Ka[1].
BGT226 (NVP-BGT226) is a PI3K (with IC50s of 4 nM, 63 nM and 38 nM for PI3Kα, PI3Kβ and PI3Kγ)/mTOR dual inhibitor which displays potent growth-inhibitory activity against human head and neck cancer cells[1][2].
PI3K-IN-46 (Intermediate 4) is an intermediate in the synthesis of PI3K inhibitor (2-imino-azolinone-vinyl fused-benzene derivative) that can be used for the research of autoimmune disorders, cardiovascular diseases, and neurodegenerative diseases[1].