PI3Kα Inhibitor

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.

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.

PIK-90 is a DNA-PK and PI3K inhibitor, which inhibits p110α, p110γ and DNA-PK with IC₅₀s of 11, 18 and 13 nM, respectively.

AS-252424 is a potent and selective PI3Kγ inhibitor with an IC₅₀ of 30±10 nM.

PF-04691502 is a potent and selective inhibitor of PI3K and mTOR. PF-04691502 binds to human PI3Kα, β, δ, γ and mTOR with K_is of 1.8, 2.1, 1.6, 1.9 and 16 nM, respectively.

PIK-93 is the first potent, synthetic PI4K (PI4KIIIβ) inhibitor with IC₅₀ of 19 nM, and also inhibits PI3Kγ and PI3Kα with IC₅₀ of 16 nM and 39 nM, respectively.

hSMG-1 inhibitor 11e is a potent and selective hSMG-1 kinase inhibitor with an IC₅₀ of <0.05 nM. hSMG-1 inhibitor 11e shows >900-fold selectivity over mTOR (IC₅₀ of 45 nM), PI3Kα/γ (IC₅₀s of 61 nM and 92 nM) and CDK1/CDK2 (IC₅₀s of 32 μM and 7.1 μM).

Samotolisib (LY3023414) potently and selectively inhibits class I PI3K isoforms, DNA-PK, and mTORC1/2 with IC₅₀s of 6.07 nM, 77.6 nM, 38 nM, 23.8 nM, 4.24 nM and 165 nM for PI3Kα, PI3Kβ, PI3Kδ, PI3Kγ, DNA-PK and mTOR, respectively. Samotolisib potently inhibits mTORC1/2 at low nanomolar concentrations.

Apitolisib (GDC-0980; GNE 390; RG 7422) is a selective, potent, orally bioavailable Class I PI3 kinase and mTOR kinase (TORC1/2) inhibitor with IC₅₀s of 5 nM/27 nM/7 nM/14 nM for PI3Kα/PI3Kβ/PI3Kδ/PI3Kγ, and with a?K_i?of 17 nM for mTOR.

Umbralisib (TGR-1202) is an orally active, potent and selective dual PI3Kδ and casein kinase-1-ε (CK1ε) inhibitor, with EC₅₀ of 22.2 nM and 6.0 μM, respectively. Umbralisib exhibits unique immunomodulatory effects on chronic lymphocytic leukemia (CLL) T cells. Umbralisib can be used for haematological malignancies reseach.

Vps34-PIK-III is an orally active and selective VPS34 inhibitor (IC₅₀=18 nM). Vps34-PIK-III effectively inhibits autophagy and can be used as a molecular tool. vps34-PIK-III is also a PI3K inhibitor that inhibits the expression of genes in liver cancer stem cells (CSCs).

ZSTK474 is an ATP-competitive pan-class I PI3K inhibitor with IC₅₀s of 16 nM, 44 nM, 4.6 nM and 49 nM for PΙ3Κα, PI3Kβ, PI3Kδ and PI3Kγ, respectively.

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.

AZD8186 is a PI3K inhibitor, which potently inhibits PI3Kβ (IC₅₀=4 nM) and PI3Kδ (IC50₅₀=12 nM) with selectivity over PI3Kα (IC₅₀=35 nM) and PI3Kγ (IC₅₀=675 nM).

VS-5584 is a pan-PI3K/mTOR kinase inhibitor with IC₅₀s of 16 nM, 68 nM, 42 nM, 25 nM, and 37 nM for PI3Kα, PI3Kβ, PI3Kδ, PI3Kγ and mTOR, respectively. VS-5584 simultaneously blocks mTORC2 as well as mTORC1.

Dactolisib Tosylate (BEZ235 Tosylate) is a dual PI3K and mTOR kinase inhibitor with IC₅₀ values of 4, 75, 7, 5 nM for PI3Kα, β, γ, δ, respectively. Dactolisib Tosylate (BEZ235 Tosylate) inhibits mTORC1 and mTORC2.

AS-605240 is a specific and orally active inhibitor of the PI3Kγ, with an IC₅₀ of 8 nM, and a K_i of 7.8 nM.

GSK1059615 is a dual inhibitor of PI3Kα/β/δ/γ (reversible) and mTOR with IC₅₀ of 0.4 nM/0.6 nM/2 nM/5 nM and 12 nM, respectively.

MTX-531 is an oral drug that inhibits EGFR (with an IC₅₀ of 14.7 nM) and PI3K (with IC₅₀ values of 6.4, 233, 8.3, and 1.1 nM for PI3Kα, PI3Kβ, PI3Kγ, and PI3Kδ respectively), and it has anti-tumor effects. MTX-531 also acts as a weak agonist of PPARγ, with an IC₅₀ of 2.5 µM, helping to alleviate hyperglycemia induced by PI3K inhibitors.

PF-04979064 is a potent and selective PI3K/mTOR dual kinase inhibitor with K_is of 0.13 nM and 1.42 nM for PI3Kα and mTOR, respectively.