pi3-k

Phosphatidylinositol 3-kinase (PI3K) catalyzes the phosphorylation of the 3' hydroxyl position of PIs to produce the second messengers PtdIns-(3,4)-P2 and PtdIns-(3,4,5)-P3. PI3Kα, β, and δ are class 1A enzymes composed of p110 and p85 subunits, whereas PI3Kγ is a class 1B PI3K composed of a p110 catalytic subunit and a p101 or p84 regulatory subunit. PI3Kα inhibitor 2 is a selective inhibitor of PI3Kα with IC50 values of 2, 16, 660, and 220 nM for the α, β, γ, and 2Cβ isoforms, respectively. It inhibits PKA, KDR, PKCα, and cyclin E/Cdk2 significantly less effectively (IC50 = 91, 3.4, 466, and 28 μM, respectively). PI3Kα inhibitor 2 inhibits A375 melanoma cell proliferation with an IC50 value of 580 nM.

PI3-Kinase inhibitor targets PI3Kγ with an IC50 of 1.5 nM and shows selectivity over PI3Kα, PI3Kβ, and PI3Kδ, exhibiting IC50 values of 3,333 nM, >10,000 nM, and >1,000 nM, respectively. At 100 mg/kg, it reduces tumor growth in a 4T1 murine mammary cancer model. In a mouse model of experimental autoimmune encephalomyelitis (EAE), it lessens disease severity when administered at doses of 20 or 80 mg/kg.

LY294002 (SF 1101) is a broad-spectrum inhibitor of PI3K, inhibiting PI3Kα, PI3Kδ, and PI3Kβ (IC50=0.5/0.57/0.97 μM). LY294002 is also an inhibitor of DNA-PK (IC50=1.4 μM) and an inhibitor of CK2 (IC50=98 nM). LY294002 activates apoptosis and autophagy.

Quercetin, a flavonoid natural product, is a SIRT1 activator. It is also a PI3K inhibitor, inhibiting PI3Kγ, PI3Kδ, and PI3Kβ with IC50 values of 2.4, 3.0, and 5.4 μM, respectively. Recognized as a heat shock protein inhibitor, Quercetin can significantly reduce exosome release in TII models by downregulating Hsp70 or Hsp90.

Recilisib (ON 01210) is a radioprotectant that activates AKT and PI3K activities in cells.

Inavolisib (GDC-0077) is an orally available selective PI3Kα inhibitor with an IC50 value of 0.038 nM.It exerts its activity by binding to the ATP-binding site of PI3K, thereby inhibiting the phosphorylation of PIP2 to PIP3.

3-Methyladenine (3-MA) is a PI3K inhibitor that selectively inhibits class IB PI3Kγ (IC50 = 60 μM) and class III VPS34 (IC50 = 25 μM). 3-Methyladenine inhibits autophagy.

D-GsMTx4 TFA belongs to natural products and is a TRPC1/6 and Piezo2 channel inhibitor with high selectivity and cell permeability, inhibiting Ca2+ influx and the mTOR pathway. This compound is used in research on myocardial infarction, chronic pain, and pulmonary fibrosis.

Torin 1 is an effective inhibitor of mTORC1/2 with (IC50: 2 nM/10 nM); has 1000-fold selectivity for mTOR than PI3K.

AZD-7648 is an inhibitor of DNA-dependent protein kinase (DNA-PK) with the IC50 of 0.63 nM in an enzyme assay,has anti-tumor activity.

RLY-2608 is a small molecule inhibitor, a selective allosteric PI3Kα inhibitor with high selectivity for PIK3CA mutations. This compound effectively inhibits tumor growth in PIK3CA-mutant xenograft models and is primarily used for research on PIK3CA-driven cancers.

Taurocholic acid (N-Choloyltaurine) is a bile acid involved in fat emulsification, possessing notable biological and immunomodulatory activities. It can inhibit bile duct injury induced by hepatic artery ligation by upregulating VEGF-A expression and protect cholangiocytes from TNF-α-induced damage via a PI3K-mediated pathway, and is commonly used to induce pancreatitis models.

740 Y-P acetate (740YPDGFR acetate) is a potent and cell-permeable PI3K activator.740 Y-P acetate tends to bind to GST fusion proteins containing the N- and C-terminal SH2 structural domains of p85, but not to GST alone.

Duvelisib (R enantiomer) hydrochloride (INK1197 R enantiomer HCl) is a PI3K inhibitor. Duvelisib (R enantiomer) hydrochloride is the less active enantiomer of Duvelisib.

DZ2002, an orally active, reversible, and low-cytotoxic type III SAHH inhibitor (Ki=17.9 nM), exhibits significant immunosuppressive activity. It effectively prevents experimental dermal fibrosis by reversing the profibrotic phenotype in multiple cell types, making it useful for studying autoimmune diseases like lupus syndrome and systemic sclerosis.

I-OMe-Tyrphostin AG 538 is a specific IGF-1R inhibitor and ATP-competitive inhibitor of PI5P4Kα (IC50: 1 µM).I-OMe-Tyrphostin AG 538 inhibits IGF-1R-mediated signaling and exhibits preferential cytotoxicity to nutrient-deficient PANC1 cells.

MSC2360844 is a potent, orally active and selective inhibitor of PI3Kδ(IC50 of 145 nM).

PI3Kα/mTOR-IN-1 is a potent dual inhibitor of PI3Kα/mTOR, with an IC50 of 7 nM for PI3Kα in a cell assay and Kis of 12.5 nM and 10.6 nM for mTOR and PI3Kα [in a cell-free assay], respectively.

GS-9901 is a selective, orally active and potent PI3Kδ inhibitor (IC50: 1 nM) for the study of non-Hodgkin's lymphoma and chronic lymphocytic leukemia.

Nemiralisib(GSK-2269557 free base) is an orally available, potent and specific PI3Kδ inhibitor with a pKi of 9.9.Nemiralisib is used for the treatment of respiratory diseases including chronic obstructive pulmonary disease.

SAR-260301, an orally available and selective inhibitor of PI3Kβ [IC50: 23 nM].

Duvelisib (INK1197, IPI-145) is a selective inhibitor of phosphatidylinositol 3-kinase (PI3K) and p100δ, with effects on p110δ (IC50 value is 0.0025 μM), p110γ (IC50 value is 0.274 μM), p110β (IC50 value is 0.85 μM) and p110α (IC50 value is 1.602 μM).

TGX-115 is a cell-permeable and potent inhibitor of the PI 3-K isoform p110β/p110δ (IC50 values of 0.13 μM for p110β and 0.63 μM for p110δ), an enzyme that regulates platelet adhesion and inhibits phosphoinositide (PI) 3-kinase, and can be used to treat coronary artery occlusion, stroke, acute coronary artery It can be used to treat cardiovascular diseases such as coronary occlusion, stroke, acute coronary syndrome, acute myocardial infarction, restenosis, atherosclerosis and unstable angina.

hSMG-1 inhibitor 11e is an effective and selective inhibitor of hSMG-1 (IC50 <0.05 nM) and can be used in studies about cancer treatment.