PI3K

Phosphoinositide 3-kinase

PI3K

PI3K Isoform Specific Products:

PI3K Isoform Comparison

PI3K Related Products (499)
Antibodies (14)
PI3K Signaling Pathway
PI3K Isoform Comparison

By Effects:	Inhibitors (437) Agonist (1) Activators (29) Modulators (13) Inducer (1)

Cat. No.	Product Name	Effect	Purity	Chemical Structure

HY-100716

Eganelisib	Inhibitor	99.69%
Eganelisib (IPI549) is a potent and selective PI3Kγ inhibitor with an IC₅₀ of 16 nM. Eganelisib shows >100-fold selectivity over other lipid and protein kinases.

HY-101625

Recilisib	Activator	99.14%
Recilisib (ON 01210) is a radioprotectant, which can activate AKT, PI3K activities in cells.

HY-13228

YM-201636	Inhibitor	98.06%
YM-201636 is a potent and selective PIKfyve inhibitor with an IC₅₀ of 33 nM. YM-201636 also inhibits p110α with an IC₅₀ of 3.3 μM. YM-201636 inhibits retroviral replication.

HY-10115

PI-103	Inhibitor	98.93%
PI-103 is a potent PI3K and mTOR inhibitor with IC₅₀s of 8 nM, 88 nM, 48 nM, 150 nM, 20 nM, and 83 nM for p110α, p110β, p110δ, p110γ, mTORC1, and mTORC2. PI-103 also inhibits DNA-PK with an IC50 of 2 nM. PI-103 induces autophagy.

HY-N0776

Isorhamnetin	Inhibitor	99.94%
Isorhamnetin is a flavonoid compound extracted from the Chinese herb Hippophae rhamnoides L.. Isorhamnetin suppresses skin cancer through direct inhibition of MEK1 and PI3K.

HY-10297

Omipalisib	Inhibitor	99.93%
Omipalisib (GSK2126458) is an orally active and highly selective inhibitor of PI3K with K_is of 0.019 nM/0.13 nM/0.024 nM/0.06 nM and 0.18 nM/0.3 nM for p110α/β/δ/γ, mTORC1/2, respectively. Omipalisib has anti-cancer activity.

HY-156681

STX-478	Inhibitor	99.63%
STX-478 (compound 80) is an oral CNS-penetrant allosteric mutant-selective PI3Kα inhibitor. STX-478 shows robust and durable tumor regression and can be used in cancer research.

HY-15346A

Copanlisib dihydrochloride	Inhibitor	99.55%
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.

HY-13898

Taselisib	Inhibitor	99.75%
Taselisib (GDC-0032) is a potent PI3K inhibitor targets PIK3CA mutations, with K_is of 0.12 nM, 0.29 nM, 0.97 nM, and 9.1 nM for PI3Kδ, PI3Kα, PI3Kγ and PI3Kβ, respectively.

HY-13522

Fimepinostat	Inhibitor	99.95%
Fimepinostat (CUDC-907) potently inhibits class I PI3Ks as well as classes I and II HDAC enzymes with an IC₅₀ of 19/54/39 nM and 1.7/5.0/1.8/2.8 nM for PI3Kα/PI3Kβ/PI3Kδ and HDAC1/HDAC2/HDAC3/HDAC10 , respectively.

HY-154848

UCL-TRO-1938	Activator	99.98%
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.

HY-110171

iMDK	Inhibitor	99.35%
iMDK is a potent PI3K inhibitor and inhibits the growth factor MDK (also known as midkine or MK). iMDK suppresses non-small cell lung cancer (NSCLC) cooperatively with A MEK inhibitor without harming normal cells and mice.

HY-124719

hSMG-1 inhibitor 11j	Inhibitor	99.82%
hSMG-1 inhibitor 11j, a pyrimidine derivative, is a potent and selective inhibitor of hSMG-1, with an IC₅₀ of 0.11 nM. hSMG-1 inhibitor 11j exhibits >455-fold selectivity for hSMG-1 over mTOR (IC₅₀=50 nM), PI3Kα/γ (IC₅₀=92/60 nM) and CDK1/CDK2 (IC₅₀=32/7.1 μM). hSMG-1 inhibitor 11j can be used for the research of cancer.

HY-151527

PI3K/Akt/CREB activator 1	Agonist	99.10%
PI3K/Akt/CREB activator 1 (compound AE-18) is a potent, orally active PI3K/Akt/CREB activator. PI3K/Akt/CREB activator 1 promotes neuronal proliferation, induced differentiation of Neuro-2a cells into a neuron-like morphology, and accelerated the establishment of axon-dendrite polarization of primary hippocampal neurons through upregulating brain-derived neurotrophic factor via the PI3K/Akt/CREB pathway. PI3K/Akt/CREB activator 1 can be used in research of vascular dementia (VaD).

HY-N0716B

Berberine sulfate	Activator	98.30%
Berberine sulfate is an alkaloid isolated from the Chinese herbal medicine Huanglian, as an antibiotic. Berberine sulfate induces reactive oxygen species (ROS) generation and inhibits DNA topoisomerase. Berberine sulfate has antineoplastic properties. The sulfate form improves bioavailability.

HY-D0254

Gallein		≥98.0%
Gallein is a Gβγ subunit signaling inhibitor that can interfere with the interaction between Gβγ subunit and PI3Kγ, regulate platelet function, and exhibit anti-tumor activity^[1][3].

HY-12795

Vps34-IN-1	Inhibitor	99.79%
Vps34-IN-1 is a potent and selective inhibitor of class III Vps34 PI3K. Vps34-IN-1 inhibits phosphorylation of PtdIns by recombinant insect cell expressed Vps34-Vps15 complex with an IC₅₀ of ~25 nM. Vps34-IN-1 can suppress SGK3 activation by reducing PtdIns(3)P levels via lowering phosphorylation of T-loop and hydrophobic motifs. Vps34-IN-1 modulates autophagy.

HY-153306

RLY-2608	Inhibitor	99.20%
RLY-2608 is an orally active first-in-class allosteric mutant-selective inhibitor of PI3Ka with anti-tumor activity. RLY-2608 inhibits tumor growth in PIK3CA-mutant xenograft mice models with minimal impact on insulin.

HY-15245

GSK2636771	Inhibitor	99.83%
GSK2636771 is a potent, selective and orally bioavailable inhibitor of PI3Kβ with a K_i of 0.89 nM and an IC₅₀ of 5.2 nM, showing 900-fold selectivity over p110α and p110γ, and 10-fold selectivity over p110δ isoforms.

HY-14860

1-Deoxynojirimycin	Activator	99.94%
1-Deoxynojirimycin (Duvoglustat) is a potent and orally active α-glucosidase inhibitor. 1-Deoxynojirimycin suppresses postprandial blood glucose and is widely used for diabetes mellitus. 1-Deoxynojirimycin possesses antihyperglycemic, anti-obesity, and antiviral features.

Growth factor RTK SHC SOS GRB2 RAS p85 p110α/δ PTEN SHIP1 or
SHIP2 INPP4B p110β p85 RAC1 or CDC Chemokine GPCR p101 p110γ PDK-1 Akt AS160 eNOS p21 RAS-GTP Insulin/GF Insulin/ IGF receptor GRB10 S6K IRS1 PI3K PTEN ZAP70 TCR CD3 RAF MEK ERK MNK eIF4E RSK MYC AMPK BAD FOXOs GSK-3 BCL-X_L BCL-2 BIM p27 FAS ligand Cyclin D BAX TSC2 TSC1 TBC1D7 RHEB Ribosome mLST8 mTOR SIN1 RICTOR TSC2 TSC1 TBC1D7 RAC1 GSK-3β Axin APC Wnt TLR MYD88 RAC1 PI3K INPP4B SHIP1 or
SHIP2 PTEN 4E-BP ULK1 S6K GRB10 mLST8 mTOR RAPTOR mTORC1 p85 p110δ PI3Kδ DAG PKC CARMA1 MALT1 BCL-10 IKKα IKKβ NEMO IκB p50 p65 NF-κB p85α p110δ PI3Kδ CD81 BCAP LYN BLK SYK BLNK BTK PLCγ2 GADs VAV SLP76 ITK PLCγ1 JAK3 ICOS IL-2 IL-2R BCR CD19 mTORC2

Download PI3K Signaling Pathway Map.

Phosphatidylinositol 3 kinases (PI3Ks) are a family of lipid kinases that integrate signals from growth factors, cytokines and other environmental cues, translating them into intracellular signals that regulate multiple signaling pathways. These pathways control many physiological functions and cellular processes, which include cell proliferation, growth, survival, motility and metabolism^[1].

In the absence of activating signals, p85 interacts with p110 and inhibits p110 kinase activity. Following receptor tyrosine kinase (RTK) or G protein-coupled receptor (GPCR) activation, class I PI3Ks are recruited to the plasma membrane, where p85 inhibition of p110 is relieved and p110 phosphorylates PIP2 to generate PIP3. The activated insulin receptor recruits intracellular adaptor protein IRS1. Phosphorylation of IRS proteins on tyrosine residues by the insulin receptor initiates the recruitment and activation of PI3K. PIP3 acts as a second messenger which promotes the phosphorylation of Akt at Thr308 by PDK-1. RTK activation can also trigger Ras-Raf-MEK-ERK pathway. Activated Akt, ERK and RSK phosphorylate TSC2 at multiple sites to inhibit TSC1-TSC2-TBC1D7, which is the TSC complex that acts as a GTPase-activating protein (GAP) for the small GTPase RHEB. During inhibition of the TSC complex, GTP-loaded RHEB binds the mTOR catalytic domain to activate mTORC1. Glycogen synthase kinase 3β (GSK-3β) activates the TSC complex by phosphorylating TSC2 at Ser1379 and Ser1383. Phosphorylation of these two residues requires priming by AMPK-dependent phosphorylation of Ser1387. Wnt signaling inhibits GSK-3β and the TSC complex, and thus activates mTORC1. mTORC2 is activated by Wnt in a manner dependent on the small GTPase RAC1. Akt activation contributes to diverse cellular activities which include cell survival, growth, proliferation, angiogenesis, metabolism, and migration. Important downstream targets of Akt are GSK-3, FOXOs, BAD, AS160, eNOS, and mTOR. mTORC1 negatively regulates autophagy through multiple inputs, including inhibitory phosphorylation of ULK1, and promotes protein synthesis through activation of the translation initiation promoter S6K and through inhibition of the inhibitory mRNA cap binding 4E-BP1^[1][2][3].

PI3Kδ is a heterodimeric enzyme, typically composed of a p85α regulatory subunit and a p110δ catalytic subunit. In T cells, the TCR, the costimulatory receptor ICOS and the IL-2R can activate PI3Kδ. In B cells, PI3Kδ is activated upon crosslinking of the B cell receptor (BCR). The BCR co-opts the co-receptor CD19 or the adaptor B cell associated protein (BCAP), both of which have YXXM motifs to which the p85α SH2 domains can bind. In lumphocytes, BTK and ITK contribute to the activation of PLCγ and promotes the generation of DAG and the influx of Ca²⁺, which in turn activate PKC and the CARMA1-, BCL 10- and MALT1 containing (CBM) complex. The resulting NF-κB inhibitor kinase (IKK) activation leads to the phosphorylation and the degradation of IκB, and to the nuclear accumulation of the p50-p65 NF-κB heterodimer. MyD88 is an adapter protein that mediates signal transduction for most TLRs and leads to activation of PI3K^[4].

Reference:

[1]. Thorpe LM, et al. PI3K in cancer: divergent roles of isoforms, modes of activation and therapeutic targeting.Nat Rev Cancer. 2015 Jan;15(1):7-24.
[2]. Vanhaesebroeck B, et al. PI3K signalling: the path to discovery and understanding.Nat Rev Mol Cell Biol. 2012 Feb 23;13(3):195-203.
[3]. Fruman DA, et al. The PI3K Pathway in Human Disease.Cell. 2017 Aug 10;170(4):605-635.
[4]. Lucas CL, et al. PI3Kδ and primary immunodeficiencies.Nat Rev Immunol. 2016 Nov;16(11):702-714.

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PI3K

PI3K

PI3K Isoform Specific Products:

PI3K Isoform Specific Products:

PI3K Related Products (499)

Antibodies (14)

PI3K Signaling Pathway

PI3K Isoform Comparison

PI3K Related Products (499):