AR-A014418-d3 (AR 0133418-d3) is the deuterium labeled AR-A014418. AR-A014418 is a potent, selective, and ATP-competitive GSK3β inhibitor (IC50=104 nM; Ki=38 nM)[1].
(Rac)-BRD0705 is a less active racemate of BRD0705. BRD0705 is a potent, paralog selective and orally active GSK3α inhibitor with an IC50 of 66 nM and a Kd of 4.8 μM. BRD0705 displays increased selectivity for GSK3α (8-fold) versus GSK3β (IC50 of 515 nM). BRD0705 can be used for acute myeloid leukemia (AML)[1][2].
CHIR-99021 is a GSK-3α/β inhibitor with an IC50 of 10 and 6.7 nM，showing 500-fold selectivity over its closest homologs CDC2 and ERK2, as well as other protein kinases.
AZD1080 is a potent and selective GSK3 inhibitor. AZD1080 inhibits recombinant human GSK3α and GSK3β with pKi (IC50) of 8.2 (6.9 nM) and 7.5 (31 nM), respectively.
9-ING-41 is a potent glycogen synthase kinase-3 (GSK-3) inhibitor[1]. 9-ING-41 induces apoptosis and cell cycle arrest at prophase by targeting centrosomes and microtubule-bound GSK-3β. 9-ING-41 has anticancer activity[2].
IM-12 is an inhibitor of GSK-3β, with an IC50 of 53 nM, and also enhances Wnt signalling.
Secalonic acid D is a toxic compound against tumor cells. Secalonic acid D can be isolated from the metabolites of Aspergillus aculeatus. Secalonic acid D activates GSK3-β, and degrades β-catenin. Thus, Secalonic acid D down-regulates c-Myc expression, arrests cell cycle at G1 phase, induces cell apoptosis[1][2].
ZDWX-25 is a highly potent GSK-3β and DYRK1A dual inhibitor with an IC50 value of 71 nM for GSK-3β. ZDWX-25 possesses significant cytotoxic activities against SH-SY5Y and HL-7702 cells. ZDWX-25 can be used for researching alzheimer's disease[1].
FRATtide is a peptide derived from the GSK-3 binding protein that inhibits the phosphorylation of Axin and β-catenin. FRATtide inhibits GSK-3 binding to Axin[1].
GSK2646264 (Compound 44) is a potent and selective spleen tyrosine kinase (SYK) inhibitor with a pIC50 of 7.1. GSK2646264 also inhibits other kinases with pIC50 values of 5.4, 5.4, 5.3, 5, 4.5, <4.6 and <4.3 against LCK, LRRK2, GSK3β, JAK2, VEGFR2, Aurora B and Aurora A, respectively. GSK2646264 is penetrable into the epidermis and dermis of the skin[1].
Indirubin-3′-oxime (IDR3O), a synthetic derivative of indirubin, is a potent inhibitor of cyclin-dependent kinases (CDKs) and glycogen synthase kinase 3β (GSK3β). Indirubin-3′-oxime directly inhibits the activity of all three isoforms of JNK (JNK1, JNK2, and JNK3), with IC50s of 0.8 μM, 1.4 μM, and 1.0 μM, respectively. Indirubin-3′-oxime can enhance height growth via activation of Wnt/β-catenin signaling in chondrocytes[1][2][3].
GSK3-IN-3 is a mitophagy inducer, inducing Parkin-dependent mitophagy. GSK3-IN-3 is also a GSK-3 inhibitor with an IC50 value of 3.01 μM. GSK3-IN-3 is non-ATP nor substrate competitive and is neuroprotective against 6-OHDA[1][2][3].
HTH-01-091 is a potent and selective, cell-permeable, ATP-competitive MELK inhibitor with biochemical IC50 of 10.5 nM; displays no significant activity for PIK3CA, mTOR, GSK3A and CDK7 (IC50>600 nM); exhibits substantially improved kinome selectivity in comparison with OTSSP167; induces MELK degradation, but demonstrates poor antiproliferative effects in basal-like breast cancer cell lines.
BRD0705 (BRD-0705) is a potent, paralog-selective GSK3α inhibitor with IC50 of 66 nM, 8-fold selectivity over GSK3β (IC50=515 nM); displays excellent selectivity in a penal of 311 kinases, the CDK family of CDK2, CDK3 and CDK5) are most potently inhibited with IC50 of 6.87, 9.74 and 9.20 uM (87-, 123-, and 116-fold selectivity relative to GSK3α); inhibits GSK3α kinase function, impairs GSK3α Tyr279 phosphorylation in a time- and concentration-dependent manner without affecting GSK3β Tyr216 phosphorylation, and does not stabilize β-catenin, induces myeloid differentiation and impairs colony formation in AML cells, with no apparent effect on normal hematopoietic cells; impairs leukemia initiation and prolongs survival in AML mouse models.
BIO-acetoxime (BIA) is a potent and selective GSK-3 inhibitor, with IC50s of both 10 nM for GSK-3α/β. BIO-acetoxime has anticonvulsant and anti-infection activity.
A 1070722 is a potent and selective glycogen synthase kinase 3 (GSK-3) inhibitor, with a Ki of 0.6 nM for both GSK-3α and GSK-3β. A 1070722 can penetrate the blood-brain barrier (BBB) and accumulates in brain regions, thus potential for PET radiotracer for the quantification of GSK-3 in brain[1].
SB 415286 is a potent and selective cell permeable inhibitor of GSK-3α, with an IC50 of 77.5 nM, and a Ki of 30.75 nM; SB 415286 is equally effective at inhibiting human GSK-3α and GSK-3β.
EHT 5372 is a strong inhibitor of DYRK’s family kinases, with IC50s of 0.22, 0.28 nM for DYRK1A and DYRK1B, respectively.
GSK-3 inhibitor 4 is an orally active and brain-penetrant inhibitor of GSK-3, CDK2, and CDK5, with IC50 values of 0.56 nM (GSK-3β), 0.45 nM (GSK-3α), 0.47 μM, and 0.68 μM, respectively. GSK-3 inhibitor 4 effectively reduces the phosphorylation level of Tau protein. GSK-3 inhibitor 4 can be used in Alzheimer's disease (AD) studies[1].
Kenpaullone is a potent inhibitor of CDK1/cyclin B and GSK-3β, with IC50s of 0.4 μM and 23 nM, and also inhibits CDK2/cyclin A, CDK2/cyclin E, and CDK5/p25 with IC50s of 0.68 μM, 7.5 μM, 0.85 μM, respectively.
Indirubin-3'-monoxime-5-sulphonic acid is a potent and selective inhibitor of CDK1, CDK5, and GSK-3β with IC50s of 5 nM, 7 nM, and 80 nM, respectively[1].
5-Iodo-indirubin-3'-monoxime is a potent GSK-3β, CDK5/P25 and CDK1/cyclin B inhibitor, competing with ATP for binding to the catalytic site of the kinase, with IC50s of 9, 20 and 25 nM, respectively[1].
3F8 is a potent and selective GSK-3β inhibitor that could be useful as new reagent and potential therapeutic candidate for GSK3 related diseases[1].
ARN25068 is a sub-micromolar inhibitor of the three protein kinases, GSK-3β, FYN and DYRK1A to tackle tau hyperphosphorylation[1].
GSK-3β inhibitor 9 (Compound 9b) is a highly selective, orally bioavailable and potent GSK-3β inhibitor with the IC50 of 35 nM. GSK-3β inhibitor 9 shows good pharmacokinetic profiles including favorable BBB penetration. GSK-3β inhibitor 9 can be used for the research of Alzheimer’s disease[1].
GSK-3 Inhibitor XIII is a potent and ATP-competitive GSK-3 inhibitor with a Ki of 24 nM[1][1][2].
Chrysomycin A (Chr-A), an antibiotic, can be obtained from Streptomyces. Chrysomycin A exhibits antitumor and anti-tuberculous and MRSA activities. As for glioblastoma, Chrysomycin A inhibits the proliferation, migration, and invasion of cancer cells through the Akt/GSK-3β/β-catenin signaling pathway[1].
LY2090314 is a potent inhibitor of glycogen synthase kinase-3 (GSK-3) with IC50 values of 1.5 nM and 0.9 nM for GSK-3α and GSK-3β, respectively.
(E/Z)-GSK-3β inhibitor 1 is a racemic compound of (E)-GSK-3β inhibitor 1 and (Z)-GSK-3β inhibitor 1 isomers. GSK-3β inhibitor 1 (compound 3a) is a glycogen synthase kinase 3β (GSK-3β) inhibitor and demonstrates high antidiabetic efficacy, with an IC50 of 4.9 nM[1].