LDN-192960 hydrochloride is an inhibitor of Haspin and Dual-specificity Tyrosine-regulated Kinase 2 (DYRK2) with IC50s of 10 nM and 48 nM, respectively[1].
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].
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:
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].
EHT 5372 is a strong inhibitor of DYRK’s family kinases, with IC50s of 0.22, 0.28 nM for DYRK1A and DYRK1B, respectively.
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.
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].
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].
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].
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].
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.
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].
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].
DYRKs-IN-1 (Example 183) is a potent DYRKs (Dual-specificity tyrosine-phosphorylation-regulated kinases) inhibitor with IC50s of 9 nM and 5 nM for DYRK1B and DYRK1A, respectively. DYRKs-IN-1 has antitumor activity[1][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].
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].
JH-XIV-68-3 is a selective macrocyclic inhibitor of DYRK1A/B. JH-XIV-68-3 displays selectivity for DYRK1A and close family member DYRK1B in biochemical and cellular assays. JH-XIV-68-3 demonstrates antitumor efficacy in head and neck squamous cell carcinoma (HNSCC) cell lines[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].
Harmine is a natural dual-specificity tyrosine phosphorylation-regulated kinase ((DYRK)) inhibitor with anticancer and anti-inflammatory activities.
Mirk-IN-1 is a potent inhibitor of Dyrk1B(Mirk kianse) and Dyrk1A with IC50 of 68±48 nM and 22±8 nM respectively.IC50 value: 68±48/22±8 nM (Dyrk1B/Dyrk1A) [1]Target: Dyrk inhibitorMirk-IN-1 had an EC50 of 1.9 ±0.2 mmol/L on SW620 cells. At a much higher concentration of 10 mmol/L in a kinase assay, Mirk-IN-1 inhibited the activities of DYRK1A, ABL, FLT3, and MARK1 by88%, 64%, 56%, and 73%, respectively [1]. Mirk-IN-1 was able to block tumor cells from undergoing reversible arrest in a quiescent G0 state and enable some cells to exit quiescence [2].
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].
INDY is a potent and ATP-competitive Dyrk1A and Dyrk1B inhibitor with IC50s of 0.24 μM and 0.23 μM, respectively. INDY binds in the ATP pocket of the enzyme and has a Ki value of 0.18 μM for Dyrk1A. INDY sharply reduces the self-renewal capacity of normal and tumorigenic cells in primary Glioblastoma (GBM) cell lines and neural progenitor cells[1][2].
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].