PI3Kβ Inhibitor

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.

TGX-221 is a potent, selective, and cell membrane permeable inhibitor of the PI3K p110β catalytic subunit, used for cancer treatment.

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.

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.

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.

Quercetin dihydrate, a natural flavonoid, is a stimulator of recombinant SIRT1 and a PI3K inhibitor with IC₅₀s of 2.4 μM, 3.0 μM and 5.4 μM for PI3K γ, PI3K δ and PI3K β, respectively.