Checkpoint Kinase (Chk) Inhibitor

PV-1019 (NSC 744039) is a potent, selective Chk2 inhibitor with an IC₅₀ value of 24 nM. PV-1019 inhibits the Topotecan (HY-13768)-induced Chk2 autophosphorylation. PV-1019 inhibits IR-induced apoptosis.

Lasmotinib (PHI-101) is a FLT3 and CHK2 inhibitor. Lasmotinib potently inhibits FLT3 single activating mutations (ITD or TKD mutants) and has inhibitory activity against FLT3 double (ITD/D835Y or ITD/F691L) and triple (ITD/D835Y/F691L) resistance mutations. Lasmotinib synergizes with Venetoclax (HY-15531) or Azacytidine to inhibit leukemia. Lasmotinib exhibits anticancer activity against ovarian and breast cancer.

GDC-0425 (RG-7602) is an orally available, highly selective small molecule ChK1 inhibitor. GDC-0425 can be used for the research of various malignancies.

GDC-0575 dihydrochloride (ARRY-575 dihydrochloride) is an orally bioavailable CHK1 inhibitor, with an IC₅₀ of 1.2 nM, and has antitumor activity.

SAR-020106 is an ATP-competitive, potent, and selective CHK1 inhibitor with an IC₅₀ of 13.3 nM for human CHK1. SAR-020106 shows excellent selectivity over CHK2. SAR-020106 significantly enhances the cell killing of Gemcitabine and SN38 by 3- to 29-fold in several colon tumor lines and in a p53-dependent fashion. SAR-020106 can enhance antitumor activity with selected anticancer agents.

Chk1-IN-5 is a potent checkpoint kinase 1 (Chk1) inhibitor. Chk1-IN-5 inhibits Chk1 phosphorylation and inhibits tumor growth in colon cancer xenograft model.

GNE-900 is a an ATP-competitive, selective, and orally active ChK1 inhibitor with IC₅₀s of 0.0011, 1.5 μM for ChKl, ChK2, respectively. GNE-900 abrogates the G2-M checkpoint, enhances DNA damage, and induces Apoptosis. Gemcitabine (HY-17026) and GNE-900 administration shows anti-tumor activity.

AZD-7762 hydrochloride is a potent ATP-competitive checkpoint kinase (Chk) inhibitor in with an IC₅₀ of 5 nM for Chk1.

ML367 is a potent inhibitor of ATPase family AAA domain-containing protein 5 (ATAD5) stabilization, acts as a probe molecule that has low micromolar inhibitory activity. ML367 blocks DNA repair pathways, suppresses general DNA damage responses including RPA32-phosphorylation and CHK1-phosphorylation in response to UV irradiation.

Abd110 is a selective ATR PROTAC degrader. Abd110 recruits Cereblon to induce the proteasomal degradation of ATR, and reduces the levels of phosphorylated ATR and downstream phosphorylated CHK1. Abd110 can be used for research on pancreatic cancer and cervical cancer.

CHK1-IN-3 is a potent and selective CHK1 inhibitor with an IC₅₀ of 0.4 nM. CHK1-IN-3 effectively inhibits the growth of malignant hematopathy cell lines and displays low affinity for hERG (IC₅₀ > 40 μM). CHK1-IN-3 significantly suppresses the tumor growth in vivo. CHK1-IN-3 can be used for the study of hematologic malignancies.

MRT00033659 is a potent broad-spectrum kinase inhibitor of CK1 (IC₅₀=0.9 μM for CK1δ) and CHK1 (IC₅₀=0.23 μM). MRT00033659, a pyrazolo-pyridine analogue, induces p53 pathway activation and E2F-1 destabilisation.

Chk1-IN-6 is a selective and orally active Chk1 inhibitor with an IC₅₀ of 16.1 nM. Chk1-IN-6 shows antiproliferative activity of MV-4-11 cells. Chk1-IN-6 exerts effective response in the MV-4-11 xenograft mouse model. Chk1-IN-6 exhibits synergistic anticancer effect with Gemcitabine (HY-17026). Chk1-IN-6 can be used in the research of cancers such as acute myeloid leukemia and colorectal adenocarcinoma.

CHEK1 Human Pre-designed siRNA Set A contains three designed siRNAs for CHEK1 gene (Human), as well as a negative control, a positive control, and a FAM-labeled negative control.

CCT241533 is a potent and selective ATP competitive inhibitor of CHK2 with an IC₅₀ of 3 nM and K_i of 1.16 nM.

Prexasertib Mesylate Hydrate (LY2606368 Mesylate Hydrate) is a selective, ATP-competitive second-generation checkpoint kinase 1 (CHK1) inhibitor with a K_i of 0.9 nM and an IC₅₀ of <1 nM. Prexasertib Mesylate Hydrate inhibits CHK2 (IC₅₀=8 nM) and RSK1 (IC₅₀=9 nM). Prexasertib Mesylate Hydrate causes double-stranded DNA breakage and replication catastrophe resulting in apoptosis. Prexasertib Mesylate Hydrate shows potent anti-tumor activity.

CHK1-IN-7 (Compound 10c) is a potent human CHK1 inhibitor. CHK1-IN-7 shows no single agent effect, potentiates the antiproliferative effect of Gemcitabine HY-17026 in both prostate and breast cancer cell lines. CHK1-IN-7 can be used for the research of cancer.

K1586 is an amidine derivative that efficiently targets Chk1. K1586 enhances the degradation of Chk1 that sensitizes colorectal cancer cells to ionizing radiation. K1586 shows anticancer effects.

MU380 is a potent and selective CHK1 inhibitor that induces apoptosis and has anticancer activity.

Protein kinase inhibitor 6 is a protein kinase inhibitor.