KI-ARv-03 是一种高效且选择性的 ATP 竞争性CDK9抑制剂,在 45 μM ATP 浓度下的 IC50 为 0.15 μM,对其他CDK(包括 CDK1-7)的选择性超过130倍。该化合物能够抑制前列腺癌细胞中 AR 驱动的转录和细胞增殖,并可用于研究白血病、胰腺癌、肺泡横纹肌肉瘤 (ARMS) 和去势抵抗性前列腺癌 (CRPC)。此外,KI-ARv-03 是PROTAC靶蛋白的配体 (ligand for target protein for PROTAC),也适用于合成PROTACKI-CDK9d-32[1][2]。
JH295 is a highly potent and selective inhibitor of NIMA-related kinase 2 (Nek2), exhibiting irreversible inhibition activity with an IC 50 value of 770 nM. This compound effectively inhibits cellular Nek2 using the alkylation of Cys22. Importantly, JH295 does not exhibit any inhibitory effects toward Cdk1, Aurora B, or Plk1, which are kinases involved in mitotic processes. Furthermore, JH295 has no impact on bipolar spindle assembly or the spindle assembly checkpoint mechanism.
3-Methylthienyl-carbonyl-JNJ-7706621 is a highly potent and selective inhibitor of cyclin-dependent kinase (CDK). It exhibits impressive IC50 values of 6.4 nM and 2 nM for CDK1/cyclin B and CDK2/cyclin A, respectively. Additionally, 3-Methylthienyl-carbonyl-JNJ-7706621 demonstrates potent inhibition against GSK-3 (IC50 = 0.041 μM) and moderate potency towards CDK4, VEGF-R2, and FGF-R2 (IC50 = 0.11 μM, 0.13 μM, and 0.22 μM, respectively). Its applications in cancer research are noteworthy.
QLT0267 is an inhibitor targeting integrin-linked kinase (ILK; IC50= 26 nM), showing over 10-fold selectivity against cyclin-dependent kinases 1, 2, and 5 (Cdk1, Cdk2, and Cdk5), and over 1,000-fold selectivity against C-terminal Src kinase (CSK), DNA-PK, Pim-1, Akt, PKC, and casein kinase 2 (CK2) at a concentration of 10 mg/ml. This compound effectively inhibits the proliferation of NPA187 papillary thyroid cancer cells with an IC50 of approximately 3 µM and induces apoptosis in NPA187, DRO, and K4 cancer cell lines. In vivo studies reveal that QLT0267, administered at 100 mg/kg, significantly reduces tumor growth in a DRO mouse xenograft model and diminishes both tumor volume and intratumoral vascularization in a U87MG glioblastoma mouse xenograft model, showcasing its potential for therapeutic applications in cancer treatment.
Cyclin-dependent kinase 2 also known as cell division protein kinase 2. The protein encoded by this gene is a member of the cyclin-dependent kinase family of Ser/Thr protein kinases. This protein kinase is highly similar to the gene products of S. cerevis