ID-8 is a DYRK inhibitor, and sustains embryonic stem cell self-renewal in long-term culture.IC50 Value: Target: DYRKin vitro: the combination of Wnt and ID-8 enhanced hESC replating efficiency, and colonies expressed ALP and displayed undifferentiated morphology. members of the DYRK family are direct targets of ID-8 and that ID-8 enhances Wnt-mediated hESC survival and proliferation via inhibition of DYRKs [1]. ID-8 stimulated proliferation at a steady rate similar to LIF. ID-8 is required to maintain nanog, Sox2, and Rex-1 gene expression [2]. In vivo:
AZ-Dyrk1B-33 is a potent and selective Dyrk1B kinase inhibitor, with an IC50 of 7 nM[1].
AZ191 is a potent small molecule inhibitor that selectively inhibits DYRK1B with IC50 of 17 nM; selective for DYRK1B over both DYRK1A and DYRK2.IC50 value: 17 nM [1]Target: DYRK1B inhibitorin vitro: Using in vitro kinase assays, phospho-specific immunoblot analysis and MS in conjunction with AZ191 we now show that DYRK1B phosphorylates CCND1 at Thr(286), not Thr(288), in vitro and in cells. In HEK (human embryonic kidney)-293 and PANC-1 cells (which exhibit DYRK1B amplification) DYRK1B drives Thr(286) phosphorylation and proteasome-dependent turnover of CCND1 and this is abolished by AZ191 or DYRK1B RNAi, but not by GSK3β inhibitors or GSK3β RNAi.
Harmine Hydrochloride (Telepathine Hydrochloride) is a natural dual-specificity tyrosine phosphorylation-regulated kinase (DYRK) inhibitor with anticancer and anti-inflammatory activities. Harmine has a high affinity of 5-HT2A serotonin receptor, with an Ki of 397 nM[1].
GSK-626616 is a potent, orally bioavailable inhibitor of DYRK3 (IC50=0.7 nM). GSK-626616 inhibits other members of the DYRK family (e.g., DYRK1A and DYRK2) with similar potency, which is a potential therapy for the treatment of anemia[1].
Aristolactam A IIIa (Sch 546909) is an aristolactam-type alkaloid that can be isolated from Glycosmis chlorosperma. Aristolactam A IIIa is a DYRK1A Inhibitor. Aristolactam A IIIa inhibits platelet aggregation induced by arachidonic acid (AA), collagen and platelet-activating factor (PAF). Aristolactam A IIIa has strong cytotoxic effect on HeLa cells[1].
Dyrk1A-IN-5 (compound 5j) is a potent and selective DYRK1A inhibitor, with an IC50 of 6 nM. Dyrk1A-IN-5 dose-dependently reduces the phosphorylation of Thr434 in SF3B1, with an IC50 of 0.5 μM. Dyrk1A-IN-5 inhibits phosphorylation of tau at Thr212, with an IC50 of 2.1 μM. Dyrk1A-IN-5 can be used for Down syndrome research[1].
Leucettine L41 is a potent inhibitor of dual-specificity tyrosine phosphorylation-regulated kinase 1A (DYRK1A), DYRK2, CDC-like kinase 1 (CLK1), and CLK3 (IC50s = 0.04, 0.035, 0.015, and 4.5 µM, respectively)[1]. Leucettine L41 prevents lipid peroxidation and the accumulation of reactive oxygen species (ROS) induced by Aβ25-35 in the hippocampus in a mouse model of Alzheimer’s disease-like toxicity. Leucettine L41 also prevents memory deficits induced by Aβ25-35 in the same model[2].
Aristolactam BIII is a potent DYRK1A inhibitor and inhibits the kinase activity of DYRK1A in vitro (IC50= 9.67 nM. Aristolactam BIII rescues the proliferative defects of DYRK1A transgenic (TG) mouse-derived fibroblasts and neurological and phenotypic defects of DS-like Drosophila models[1].
Harmine is a natural dual-specificity tyrosine phosphorylation-regulated kinase ((DYRK)) inhibitor with anticancer and anti-inflammatory activities.
LDN-209929 dihydrochloride is a potent and selective haspin kinase inhibitor (IC50=55 nM) with180-fold selectivity verses DYRK2 (IC50=9.9 μM). LDN-209929 is a optimized analogue of LDN-192960 (HY-13455)[2].
MBM-55S is a potent NIMA-related kinase 2 (Nek2) inhibitor with an IC50 of 1 nM. MBM-55S shows a 20-fold or greater selectivity in most kinases with the exception of RSK1 (IC50=5.4 nM) and DYRK1a (IC50=6.5 nM). MBM-55S effectively inhibits the proliferation of cancer cells by inducing cell cycle arrest and apoptosis. MBM-55S shows antitumor activities, and no obvious toxicity to mice[1].
Dyrk1A-IN-3 (Compound 8b), a highly selective dual-specificity tyrosine-regulated kinase 1A (DYRK1A) inhibitor, maintains high levels of DYRK1A binding affinity (IC50=76 nM). Dyrk1A-IN-3 can be used for the research of neurodegenerative disorders such as Alzheimer’s Disease, Huntington’s Disease, and Parkinson’s Disease[1].
ML 315 is a selective dual inhibitor of CDK and DYRK with IC50s of 68 nM and 282 nM, respectively. ML 315 is used in cancer and neurological disease research[1].
CK2/ERK8-IN-1 is a dual casein kinase 2 (CK2) (Ki of 0.25 µM) and ERK8 inhibitor with IC50s of 0.50 μM. CK2/ERK8-IN-1 also binds to PIM1, HIPK2 (homeodomain-interacting protein kinase 2), and DYRK1A with Kis of 8.65 µM, 15.25 µM, and 11.9 µM, respectively. CK2/ERK8-IN-1 has pro-apoptotic efficacy[1].
Dyrk1A-IN-4 (compound 48) is a potent and orally active DYRK1A and DYRK2 inhibitor with IC50s of 2 nM and 6 nM, respectively. Dyrk1A-IN-4 has anticancer effects[1].
DYRKs-IN-1 hydrochloride is a potent DYRKs (Dual-specificity tyrosine-phosphorylation-regulated kinases) inhibitor with IC50s of 5 nM and 8 nM for DYRK1A and DYRK1B, respectively. DYRKs-IN-1 hydrochloride has antitumor activity[1][2].
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.
4-(Trifluoromethyl)aniline-d4 is deuterium labeled 4-(Trifluoromethyl)aniline. 4-(Trifluoromethyl)aniline is a DYRK1A and DYRK1B kinase inhibitor with IC50s of 54.84 nM and 186.40 nM, respectively[1].
EHT 5372 is a strong inhibitor of DYRK’s family kinases, with IC50s of 0.22, 0.28 nM for DYRK1A and DYRK1B, respectively.
Protein kinase inhibitors 1 is a novel inhibitor of HIPK2 with an IC50 of 74 nM and Kd of 9.5 nM.
KH-CB20, an E/Z mixture, is a potent and selective inhibitor of CLK1, with an IC50 of 16.5 nM. KH-CB20 also can inhibits DYRK1A (IC50=57.8 nM) and CLK3 (IC50=488 nM)[1].
ARN25068 is a sub-micromolar inhibitor of the three protein kinases, GSK-3β, FYN and DYRK1A to tackle tau hyperphosphorylation[1].
GNF2133 is a selective DYRK1A inhibitor with an IC50 value of 6 nM.
GNF2133 hydrochloride is a potent, selective and orally active DYRK1A inhibitor with IC50s of 0.0062, >50 µM for DYRK1A and GSK3β, respectively. GNF2133 hydrochloride shows good proliferation potency and efficacy on rat and human primary β-cell. GNF2133 hydrochloride significantly improves glucose disposal capacity and increases insulin secretion. GNF2133 hydrochloride has the potential for the research of type 1 diabetes[1].
ON 108600 is a inhibitor for CK2 (Casein Kinase2)/TNIK/DYRK1 , with the IC50s for DYRK1A/DYRKB, DYRK2, CK2α1/CK2α2, and TNIK of 0.016 μm/0.007 μM, 0.028 μM, 0.05 μM/0.005 μM, and 0.005 μM, respectively. ON 108600 has antitumor activity[1].
DYRKs-IN-2 (Example 132) is a potent DYRKs inhibitor with IC50s of 30.6 nM and 12.8 nM for DYRK1B and DYRK1A, respectively. DYRKs-IN-2 has antitumor activity[1].
Leucettinib-92 (compound 92) is an inhibitor of DYRK/CLK kinase, The IC50s are 147 nM (CLK1), 39 nM (CLK2), 5.2 nM (CLK4), 0.8 μM (CLK3), 124 nM (DYRK1A), 204 nM (DYRK1B), 0.16 μM (DYRK2), respectively. 1.0 μM (DYRK3), 0.52 μM (DYRK4), 2.78 μM (GSK3)[1].
AnnH31 is a potent Inhibitor of DYRK1A Kinase.
GNF4877 is a potent DYRK1A and GSK3β inhibitor with IC50s of 6 nM and 16 nM, respectively, which leads to blockade of nuclear factor of activated T-cells (NFATc) nuclear export and increased β-cell proliferation (EC50 of 0.66 μM for mouse β (R7T1) cells)[1].