PKCγ Inhibitor

Go 6983 is a pan-PKC inhibitor against for PKCα, PKCβ, PKCγ, PKCδ and PKCζ with IC₅₀ of 7 nM, 7 nM, 6 nM, 10 nM and 60 nM, respectively.

Midostaurin (PKC412; CGP 41251) is an orally active, reversible multi-targeted protein kinase inhibitor. Midostaurin inhibits PKCα/β/γ, Syk, Flk-1, Akt, PKA, c-Kit, c-Fgr, c-Src, FLT3, PDFRβ and VEGFR1/2 with IC₅₀s ranging from 22-500 nM. Midostaurin also upregulates endothelial nitric oxide synthase (eNOS) gene expression. Midostaurin shows powerful anticancer effects.

Bisindolylmaleimide I (GF109203X) is a cell-permeable and reversible PKC inhibitor (IC₅₀ of 20 nM, 17 nM, 16 nM, and 20 nM for PKCα, PKCβI, PKCβII, and PKCγ. Bisindolylmaleimide I is also a GSK-3 inhibitor.

Rottlerin, a natural product purified from Mallotus Philippinensis, is a specific PKC inhibitor, with IC₅₀ values for PKCδ of 3-6 μM, PKCα,β,γ of 30-42 μM, PKCε,η,ζ of 80-100 μM. Rottlerin acts as a direct mitochondrial uncoupler, and stimulates autophagy by targeting a signaling cascade upstream of mTORC1. Rottlerin induces apoptosis via caspase 3 activation. Rottlerin inhibits HIV-1 integration and Rabies virus (RABV) infection.

Enzastaurin (LY317615) is a potent, selective, and CNS-penetrant PKCβ inhibitor with an IC₅₀ of 6 nM, showing 6- to 20-fold selectivity over PKCα, PKCγ and PKCε.

Ruboxistaurin (LY333531) is an orally active, selective PKC beta inhibitor (K_i=2 nM). Ruboxistaurin exhibits ATP dependent competitive inhibition of PKC beta I with an IC₅₀ of 4.7 nM. Ruboxistaurin inhibits PKC beta II with an IC₅₀ of 5.9 nM.

Ro 31-8220 mesylate is a potent PKC inhibitor, with IC₅₀s of 5, 24, 14, 27, 24 and 23 nM for PKCα, PKCβI, PKCβII, PKCγ, PKCε and rat brain PKC, respectively. Ro 31-8220 also significantly inhibits MAPKAP-K1b, MSK1, S6K1 and GSK3β (IC₅₀s, 3, 8, 15, and 38 nM, respectively), with no effect on MKK3, MKK4, MKK6 and MKK7. Ro 31-8220 mesylate can also inhibit the expression of MKP-1, induce the expression of c-Jun, and activate JNK, and these effects possess pharmacological properties independent of PKC.

Ruboxistaurin (LY333531) hydrochloride is an orally active, selective PKC beta inhibitor (K_i=2 nM). Ruboxistaurin hydrochloride exhibits ATP dependent competitive inhibition of PKC beta I with an IC₅₀ of 4.7 nM. Ruboxistaurin hydrochloride inhibits PKC beta II with an IC₅₀ of 5.9 nM.

Bisindolylmaleimide I (GF109203X) hydrochloride is a cell-permeable and reversible PKC inhibitor (IC₅₀ of 20 nM, 17 nM, 16 nM, and 20 nM for PKCα, PKCβI, PKCβII, and PKCγ. Bisindolylmaleimide I hydrochloride is also a GSK-3 inhibitor.

Bisindolylmaleimide VIII acetate (Ro 31-7549 acetate) is a potent and selective protein kinase C (PKC) inhibitor with an IC₅₀ of 158 nM for rat brain PKC. Bisindolylmaleimide VIII acetate has IC₅₀s of 53, 195, 163, 213, and 175 nM for PKC-α, PKC-β_I, PKC-β_II, PKC-γ, PKC-ε, respectively. Bisindolylmaleimide VIII acetate facilitates Fas-mediated apoptosis and inhibits T cell-mediated autoimmune diseases.

MS-553 is a potent, ATP-competitive and reversible inhibitor of conventional PKC enzymes with K_is of 5.3 and 10.4 nM for human PKCβ and PKCα, and IC₅₀s of 2.3, 8.1, 7.6, 25.6, 57.5, 314, 808 nM for PKCα, PKCβI, PKCβII, PKCθ, PKCγ, PKC mu and PKCε, respectively.

Ro 31-8220 formic is a potent PKC inhibitor, with IC₅₀s of 5, 24, 14, 27, 24 and 23 nM for PKCα, PKCβI, PKCβII, PKCγ, PKCε and rat brain PKC, respectively. Ro 31-8220 formic also significantly inhibits MAPKAP-K1b, MSK1, S6K1 and GSK3β (IC₅₀s, 3, 8, 15, and 38 nM, respectively). Ro 31-8220 formic can also inhibit the expression of MKP-1, induce the expression of c-Jun, and activate JNK, and these effects possess pharmacological properties independent of PKC.

Bisindolylmaleimide XI hydrochloride (Ro 32-0432) is a potent, selective and orally active PKC inhibitor with IC₅₀s of 9 nM, 28 nM, 31 nM, 37 nM, and 108 nM for PKCα, PKCβI, PKCβII, PKCγ, and PKCε, respectively.

Ruboxistaurin (LY333531) mesylate is an orally active, selective and ATP competitive PKCβ inhibitor with IC₅₀ values of 4.7 and 5.9 nM for PKCβI and PKCβII, respectively. Ruboxistaurin mesylate can be used for the research of eye disorders, heart failure and diabetes.

(S)-Ro 32-0432 is a potent, selective, ATP-competitive and orally active PKC inhibitor. The IC₅₀ values of (S)-Ro 32-0432 for PKCα, PKCβI, PKCβII, PKCγ and PKCε are 9.3 nM, 28 nM, 30 nM, 36.5 nM and 108.3 nM, respectively. (S)-Ro 32-0432 is also a selective G protein-coupled receptor kinase 5 (GRK5) inhibitor. (S)-Ro 32-0432 prevents T-cell activation and has the potential for chronic inflammatory and autoimmune diseases research.

Ro 31-8220 is a potent PKC inhibitor, with IC₅₀s of 5, 24, 14, 27, 24 and 23 nM for PKCα, PKCβI, PKCβII, PKCγ, PKCε and rat brain PKC, respectively. Ro 31-8220 also significantly inhibits MAPKAP-K1b, MSK1, S6K1 and GSK3β (IC₅₀s, 3, 8, 15, and 38 nM, respectively), with no effect on MKK3, MKK4, MKK6 and MKK7. Ro 31-8220 can also inhibit the expression of MKP-1, induce the expression of c-Jun, and activate JNK, and these effects possess pharmacological properties independent of PKC.

HBDDE, a derivative of Ellagic acid, is an isoform-selective PKCα and PKCγ inhibitor with IC₅₀s of 43 μM and 50 μM, respectively. HBDDE shows selective for PKCα/PKCγ over PKCδ, PKCβI and PKCβII isozymes. HBDDE induces neuronal apoptosis.

PF-04577806 is a potent, selective and ATP competitive PKC inhibitor. PF-04577806 shows potent inhibitory activity towards PKCα, PKCβI, PKCβII, PKCγ, and PKCθ with IC₅₀s of 2.4 nM, 8.1 nM, 6.9 nM, 45.9 nM, and 29.5 nM, respectively. PF-04577806 can reverse retinal vascular leakage in diabetic rats.

PF-03622905 is a potent and ATP-competitive PKC inhibitor with IC₅₀s of 5.6 nM, 14.5 nM, 13 nM, 37.7 nM, and 74.1 nM for PKCα, PKCβI, PKCβII, PKCγ, and PKCθ, respectively. PF-03622905 shows high specificity for PKC over other protein kinases.

Bisindolylmaleimide VIII (Ro 31-7549) is a potent and selective protein kinase C (PKC) inhibitor with an IC₅₀ of 158 nM for rat brain PKC. Bisindolylmaleimide VIII has IC₅₀s of 53, 195, 163, 213, and 175 nM for PKC-α, PKC-β_I, PKC-β_II, PKC-γ, PKC-ε, respectively. Bisindolylmaleimide VIII facilitates Fas-mediated apoptosis and inhibits T cell-mediated autoimmune diseases.