PI3K Inhibitor

Duvelisib R enantiomer is a PI3K inhibitor, which is the less active enantiomer of Duvelisib.

VVD-699 is a covalent blocker of the RAS-p110α interaction with oral activity. VVD-699 inhibits activation of PI3Kα (IC₅₀: 104 nM in H358 cells) . VVD-699 inhibits phosphorylated AKT. VVD-699 can be used for the research of KRAS mutant/amplified cancer.

PF-06843195 is a highly selective PI3Kα inhibitor with an IC₅₀ of 18 nM in Rat1 fibroblasts. The K_is of PF-06843195 for PI3Kα and PI3Kδ in biochemical kinase assay are less than 0.018 nM and 0.28 nM, respectively. PF-06843195 has great suppression of the PI3K/mTOR signaling pathway and durable antitumor efficacy.

HZX-02-059 is an allosteric inhibitor of PIKFYVE, and a methuosis inducer. HZX-02-059 disrupts the PIKfyve/TFEB axis, suppresses tubulin polymerization, reduces phosphorylated mTOR levels, downregulates p53, PI3K/AKT, c-Myc, and NF-κB pathways. HZX-02-059 induces G₂/M cell cycle arrest, apoptosis, and inhibits cancer cell proliferation. HZX-02-059 can be used for the research of lymphoma, double-hit lymphoma, and B-cell acute lymphoblastic leukemia.

Flavokawain B (Flavokavain B) is an orally active chalcone. Flavokawain B results in activation of caspase-9, -3 and -8, cleavage of PARP. Flavokawain B down-regulates Bcl-2 with concomitant increase in Bax level. Flavokawain B inhibits NF-κB, PI3K/Akt and MAPK signaling pathway. Flavokawain B exhibits Apoptotic effects. Flavokawain B inhibits MMP-9 and promotes ROS generation. Flavokawain B inhibits multiple tumors and inflammation.

PH14 is a PI3Kα/HDAC3 inhibitor, with an IC₅₀ value of 20.3 nM against PI3Kα and 24.5 nM against HDAC3. PH14 blocks the phosphorylation of AKT, inhibits the PI3K/AKT signaling pathway, increases the level of acetylated histone H3, promotes apoptosis, and exerts antiproliferative activity against tumor cells. PH14 can be used in the research of mantle cell lymphoma, myeloma, acute promyelocytic leukemia, and breast cancer.

Avenanthramide C is an orally active polyphenolic compound that penetrates the blood-brain barrier. Avenanthramide C is derived from oats. Avenanthramide C inhibits NF-κB nuclear translocation and inhibits the phosphorylation of PI3K, PLCγ1, Lyn, Syk, and Akt. Avenanthramide C inhibits the expression and activity of MMP-9 and inhibits MAPK phosphorylation. Avenanthramide C scavenges DPPH radicals, reduces intracellular ROS, and inhibits pro-inflammatory cytokine release and adhesion molecule expression. Avenanthramide C inhibits cell degranulation. Avenanthramide C attenuates active systemic anaphylaxis and inhibits passive cutaneous anaphylaxis. Avenanthramide C ameliorates PHZ-induced blood stasis. Avenanthramide C inhibits neuroinflammation, restores long-term potentiation, and improves recognition and spatial memory in Alzheimer's disease models. Avenanthramide C can be used for research on allergic inflammation, thrombosis, atherosclerosis, and Alzheimer's disease.

Astringin (trans-Astringin) is an orally active natural phenolic stilbene glucoside. Astringin can inhibit the production of oxidative stress, inflammatory factors, etc. Astringin has multiple activities such as anti-oxidation, anti-inflammation, and anti-apoptosis. Astringin is also an inhibitor of ferroptosis. Astringin can be used in the research of diseases such as acute lung injury.

Brevianamide F (Cyclo(L-Pro-L-Trp)) is a mycotoxin isolated from Colletotrichum gloeosporioides, with antibacterial activity. Brevianamide F shows potent PI3Kα inhibitory activity with an IC₅₀ of 4.8 μM.

Orobol is one of the major soy isoflavones and has various pharmacological activities, including anti-skin-aging and anti-obesity effects. Orobol inhibits CK1ε, VEGFR2, MAP4K5, MNK1, MUSK, TOPK, and TNIK (IC₅₀=1.24-4.45 μM). Orobol also inhibits PI3K isoforms (IC₅₀=3.46-5.27 μM for PI3K α/β/γ/K/δ).

UNC1062 is a highly selective tyrosine kinase (MERTK) inhibitor with an IC₅₀ of 1.1 nM (Morrison K_i = 0.33 nM). UNC1062 exhibits good selectivity for the TAM family (TYRO3 IC₅₀ = 60 nM, AXL IC₅₀ = 85 nM). UNC1062 exhibits significant anti-proliferative effects and induces apoptosis in various cancer models (such as melanoma, gastric cancer, and acute myeloid leukemia). UNC1062 inhibits multiple pathways, including MAPK/ERK, PI3K/AKT and JAK/STAT and affects the motility of head and neck squamous cell carcinoma (HNSCC) cells through the RhoA signaling pathway. UNC1062 inhibits macrophage efferocytosis, and it suitable for research on atherosclerosis.

PI4KIIIbeta-IN-9 is a potent PI4KIIIβ inhibitor with an IC₅₀ of 7 nM. PI4KIIIbeta-IN-9 also inhibits PI3Kδ and PI3Kγ with IC₅₀s of 152 nM and 1046 nM, respectively.

Alpelisib (BYL-719) hydrochloride is an orally active PI3Kα-selective inhibitor that blocks the conversion of PIP2 to PIP3, thereby inhibiting pathways including PI3K/AKT/mTOR, MAPK/ERK, Notch and JAK-STAT. Alpelisib hydrochloride also induces apoptosis, G0/G1 phase arrest and senescence; it significantly inhibits the proliferation, self-renewal, stemness and epithelial-mesenchymal transition (EMT) of tumor cells, reduces cancer stem cell populations and decreases the expression of stem cell markers. Alpelisib hydrochloride not only enhances the sensitivity to Eribulin (HY-13442) and exerts a synergistic effect with Paclitaxel (HY-B0015), but may also induce drug resistance by upregulating the SGK3/GSK3β/β-catenin signaling pathway. Alpelisib hydrochloride can be applied to research related to breast cancer, gastric cancer and lipomas associated with PTEN hamartoma tumor syndrome.

GDC-0326 is a potent and selective PI3Kα inhibitor with a K_i of 0.2 nM.

AZD3458 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.

IITZ-01 is a potent lysosomotropic autophagy inhibitor with single-agent antitumor activity, with an IC₅₀ of 2.62 μM for PI3Kγ.

Tegafur-gimeracil-oteracil potassium (S-1; TS-1) is an orally active anticancer agent composed of Tegafur (HY-17400), Gimeracil (HY-17469), and Oteracil potassium (HY-17511). Tegafur-gimeracil-oteracil potassium inhibits the proliferation, migration and invasion of endometrial cancer cells and induces apoptosis by blocking the PI3K/AKT/mTOR signaling pathway. Tegafur-gimeracil-oteracil potassium can be used in research related to endometrial cancer and gastric cancer with peritoneal metastasis.

Dimethoxycurcumin (DiMC) is a curcuminoid compound found in Curcuma longa. Dimethoxycurcumin is also an orally active thioredoxin reductase inhibitor (IC₅₀ = 5.4 μM) and androgen receptor antagonist. Dimethoxycurcumin inhibits thioredoxin reductase, leading to oxidized thioredoxin accumulation, ROS production, DNA damage, glutathione depletion, mitochondrial membrane potential decrease, ATP depletion, S phase arrest, and apoptosis. Dimethoxycurcumin inhibits NF-κB, NADPH oxidase subunits, ATP synthase subunits, CDK4, cyclin-D1, FASN, ACC, and the IRS2-PI3K-Akt pathway, while activating AMPK, ERK, and JNK. Dimethoxycurcumin can be used for research on cancer, arsenic-induced hepatotoxicity, and tuberculosis.

Sophocarpine monohydrate is a PTEN activator and an inhibitor of PI3K/Akt, MEK/ERK, and NF-κB signaling pathways. Sophocarpine monohydrate upregulates PTEN expression and inhibits PI3K/Akt phosphorylation, arrests tumor cell cycle and induces apoptosis. Sophocarpine monohydrate inhibits MEK/ERK phosphorylation and VEGF secretion, reducing tumor cell migration. Sophocarpine monohydrate can also inhibit NF-κB activation and p38 and JNK phosphorylation, reduce the expression of inflammatory factors such as iNOS and COX-2, and activate the Nrf2/HO-1 pathway to reduce oxidative stress. Sophocarpine monohydrate has anti-tumor, anti-inflammatory, antioxidant and anti-apoptotic effects, and can be used in the research of cancers such as glioblastoma and colorectal cancer, inflammation-related diseases, and Doxorubicin (HY-15142A)-induced cardiac damage.

CZC24832 is a highly selective and potent PI3Kγ inhibitor (IC₅₀=27 nM) with apparent dissociation constants (K_d^app) of 19 nM.