clk

CLK-IN-T3 is an inhibitor of CLK1, CLK2, and CLK3 with IC50s of 0.67, 15, and 110 nM. CLK-IN-T3 exhibits anti-cancer activity.

SGC-CLK-1 is a potent and selective inhibitor of Cdc2-like kinases CLK1, CLK2, and CLK4. It effectively inhibits the growth of melanoma and glioblastoma cells.

CLK-IN-T3N, the negative control of CLK-IN-T3 , is a chemical probe for CDC-like kinase (CLK) .

CLK1 2-IN-3 (Cpd-3) is a potent and selective CLK1 and CLK2 inhibitor with antiproliferative activity and inhibits the activities of CLK1, CLK2, SRPK1, SRPK2, and SRPK3.CLK1 2-IN-3 induces nuclear speckle enlargement, which induces S6K pre-mRNA-selective splicing and subsequent inhibition of cell growth of multiple cancer cell types. cancer cell types cell growth.

Clk1-in-3 is a + selective and highly potent sexual Clk1 inhibitor with an IC50 of 5 nM and 300 pairs higher affinity than Dyrk1A. CLK1-IN-3 also showed highly effective inhibition of Clk2 and Clk4, with IC50 values of 42 and 108 nM, respectively. CLK1-IN-3 is effective in inducing autophagy in vitro and can be used for prevention and human treatment of acute liver injury (ALI).

CLK1-IN-1 is a potent and selective inhibitor of Cdc2-like kinase 1 (CLK1) with an IC50 of 2 nM.

CLK1 2-IN-1 is a CLK1 and CLK2 inhibitor and it also inhibits SRPK1 and SRPK2.

PfCLK3-IN-1 (Compound 4) serves as a covalent inhibitor of the malaria parasite CLK3 (Pf CLK3) under alkaline conditions, with a pEC50 of 7.1. It inhibits the maturation of gametocytes during the sexual stage of the parasite, thereby hindering transmission. Additionally, PfCLK3-IN-1 effectively suppresses the Dd2-B2 clone of the malaria parasite, exhibiting an IC50 of 239.5 nM.

CLK1 4-IN-1 (compound 31) is a highly potent and selective inhibitor of Clk1 and Clk4, with IC50 values of 9.7 nM and 6.6 nM, respectively. It effectively inhibits the growth of T24 cancer cells, with a GI50 value of 1.1 μM. CLK1 4-IN-1 has shown promising potential as an anticancer research tool [1].

CLK1-IN-2, a metabolically stable Clk1 inhibitor, exhibits selective activity for Clk1 with an IC50 value of 1.7 nM. It is applicable in researching tumor, Duchenne's muscular dystrophy, and viral infections including HIV-1 and influenza.

CLK8 is a selective CLOCK inhibitor that binds to and interferes with CLOCK activity, disrupts the interaction between CLOCK and BMAL1, and modulates circadian rhythm amplitude.CLK8 can be used to study circadian rhythm-related disorders.

DCLK1-IN-2 (Compound I-5) is a potent inhibitor of DCLK1, exhibiting an IC50 of 171.3 nM, and demonstrates significant antiproliferative effects on SW1990 cell lines with an IC50 of 0.6 μM, as well as in vivo antitumor potency [1].

DCLK1-IN-1 is a selective, in vivo compatible chemical probe of the kinase domain of doublecortin-like kinase 1 (DCLK1) and a highly selective DCLK1 2 inhibitor with IC50 values ​​of 9.5 57.2 nM (DCLK1) and 31 103 nM (DCLK2) by binding and kinase assays, respectively. It has low toxicity and is used to study DCLK1 biology and determine its role in cancer.

DCLK1-IN-5 (Compound a24), with an IC 50 of 179.7 nM, acts as a DCLK1 inhibitor. It mitigates lipopolysaccharide-induced inflammation by blocking DCLK1-mediated IKKβ phosphorylation. Additionally, DCLK1-IN-5 offers protection to mice from lung injuries and sepsis caused by inflammation [1].

Cirtuvivint (SM08502) is a potent, orally active CDC-like kinase (CLK) inhibitor useful for the study of arthritis.

(E Z)-TG003 is a potent and ATP-competitive inhibitor of Cdc2-like kinase (Clk).

WAY-322243 has antibacterial and anti-inflammatory activity and has an inhibitory effect on CLK-1, which can be used to study Alzheimer's disease.

T025 is a pan CLK inhibitor with Kds of 4.8, 0.096, 6.5, 0.61, and 0.074 nM for CLK1-4, respectively. T025 displays anti-proliferative activities with IC50s of 30-300 nM in hematological and solid cancer cell lines. T025 can be used in studies about MYC-driven diseases.

Leucettine L41 (LeucettineL41) is a selective DYRK1A inhibitor that inhibits DYRK2, CLK1, and CLK3, inducing autophagy linked to CLK inhibition. It is used to study Alzheimer's disease and memory deficits.

Ipivivint, a first-in-class, orally active and potent CDC-like kinase (CLK) inhibitor, inhibits CLK1 (IC50=1.4 μM), CLK2 (IC50=0.002 μM) and CLK3 (IC50=0.022 μM). Ipivivint reduces Wnt pathway signaling gene expression through inhibiting CLK activity and serine and arginine rich splicing factor (SRSF) phosphorylation and disrupting spliceosome activity. Ipivivint can be used for the research of cancer[1]. Ipivivint (SW480 cells; 0.01~10 μM; 1 hour) potently inhibits SRSF5/6 phosphorylation[1].Ipivivint (SW480 cells; 0.03 μM~3 μM; 48 hour) induced apoptosis[1]..Ipivivint (HEK-293T cells; 0.03 μM~3 μM; 1 hour) inhibits Wnt/β-catenin signaling induced by Wnt3a[1].Ipivivint (SW480 cells; 0.3~10 μM; 6 hour) increases nuclear speckle enlargement[1].Ipivivint (SW480 cells; 0.3~3μM; 24hours) significantly decreases expression of Wnt target genes (AXIN2, LEF1, MYC, and TCF7) and TCF7L2. SM08502 (SW480 cells; 0.03~3μM; 24hours) inhibits cytoplasmic or nuclear fractions protein expression. Ipivivint (NCI-N87 cells) inhibits proliferation[1].Ipivivint strongly inhibits Wnt pathway signaling activity (EC50 = 0.046 μM) in SW480 colon cancer cells[1]. Ipivivint (25 mg/kg; p.o.) potently inhibits tumor SRSF6 phosphorylation[1]. [1]. Tam BY, et al. The CLK inhibitor SM08502 induces anti-tumor activity and reduces Wnt pathway gene expression in gastrointestinal cancer models. Cancer Lett. 2020;473:186-197.

Potent and selective CLK inhibitor (IC50 values are 28, 88 and 510 nM for CLK4, 1 and 2, respectively). Exhibits no significant activity at CLK3, DYRK, CDK or GSK3 at a concentration of 10 μM. Inhibits growth of a range of cancer cell lines in vitro at subnanomolar concentrations. Walter et al (2018) Molecular structures of cdc2-like kinases in complex with a new inhibitor chemotype. PLoS One 13 e0196761 PMID:29723265

ML 315 is a selective Clk and DYRK inhibitor with potential anticancer activity for the study of neurological disorders.

CTX-712 is a potent inhibitor of cdc2-like kinase (CLK), effectively reducing cancer cell growth and survival.

Leucettinib-92 (compound 92) is a kinase inhibitor selective for the DYRK CLK families, with IC50 values of 147 nM for CLK1, 39 nM for CLK2, 5.2 nM for CLK4, 0.8 μM for CLK3, 124 nM for DYRK1A, 204 nM for DYRK1B, 0.16 μM for DYRK2, 1.0 μM for DYRK3, 0.52 μM for DYRK4, and 2.78 μM for GSK3 [1].