cyclin a

Cyclin K degrader 1 is a Cyclin K degrader.Cyclin K degrader 1 is a degrader converted from AT-7519.Cyclin K degrader 1 has weak degrading activity against Cyclin K but does not result in a sustained decrease in degradation affinity.Cyclin K degrader 1 is a degrader converted from AT-7519.

CDK9-Cyclin T1 PPI-IN-1 (Compound B19) is a selective inhibitor of the CDK9-Cyclin T1 protein-protein interaction (PPI), suppressing cell proliferation in TNBC MDA-MB-231 cells with an IC50 of 0.044 μM and inducing apoptosis. This compound diminishes CDK9 transcriptional activity and downregulates phosphorylation of RNA Pol II CTD ser2. In vivo, CDK9-Cyclin T1 PPI-IN-1 effectively impedes tumor growth in a TNBC 4T1 mouse model [1].

Cdk2/Cyclin Inhibitory Peptide II (Tat-LDL), a CDK2 inhibitor, demonstrates dose-dependent cytotoxic effects on U2OS osteosarcoma cells [1].

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

LP-935509 is highly brain-penetrant and reverses fully established pain behavior following the SNL procedure. LP-935509 is also an effective inhibitor of BIKE (IC50=14 nM) and a modest inhibitor of GAK (IC50=320 nM). LP-935509 is a selective, ATP-competit

Cyclin-dependent kinase 5 (Cdk5) is a serine/threonine kinase that is predominantly active in neuronal tissues. With p25 or p35, Cdk5 phosphorylates a range of proteins, including histone H1 and tau. Cdk5 Substrate acetate is a synthetic peptide (PKTPKKAKKL) corresponding to a sequence of histone H1. It is phosphorylated by Cdk5 with a Km value of 5 µM.

Cdk1/2 Inhibitor III is a selective Cdk1/2 inhibitor with an IC50 value of 2.1 μM against CDK1/cyclin B.

BMT-124110 is a selective AAK1 inhibitor (IC50: 0.9 nM) with antinociceptive activity. BMT-090605 inhibited BMP-2 induced protein kinase BIKE with IC50 of 17 nM. BMT-090605 inhibits cyclin G-associated kinase GAK with an IC50 of 99 nM.

BUR1 is a selective BMP upregulator that acts by increasing the expression of Inhibitor of DNA binding 1 and inducing BMP2 and PTGS2 expression.

LDC3140 is a potent inhibitor of Cyclin-dependent kinase 7 (CDK7).

GP-82996 (CINK4) is a pharmacological inhibitor specifically targeting CDK4/6, exhibiting IC50 values of 1.5 μM for CDK4/cyclin D1, 5.6 μM for CDK6/cyclin D1, and 25 μM for Cdk5/p35. It effectively induces apoptosis in U2OS cancer cells, positioning it as a potential investigational tool in cancer research [1] [2].

Olomoucine is an ATP competitive inhibitor of Cdk2/cyclin A, Cdc2/CyclinB, CDK2/CyclinE, CDK5/p35, and ERK1/p44 MAP kinase with IC50s of 7, 7, 7, 3 and 25 µM, respectively. Olomoucine regulates cell cycle and exhibits anti-melanin tumor activities.

5-Iodo-indirubin-3'-monoxime is a potent GSK-3β, CDK5/P25 and CDK1/cyclin B inhibitor, competing with ATP for binding to the catalytic site of the kinase (IC50s: 9, 20 and 25 nM).

R547 (Ro 4584820) is a potent ATP-competitive inhibitor of CDK1/2/4 with Ki of 2 nM/3 nM/1 nM. It is less potent to CDK7 and GSK3α/β, while inactive to other kinases. Phase 1.

CDK9-IN-7 is a highly selective and orally active CDK9/cyclin T inhibitor (IC50: 11 nM), which exhibits more potent over other CDKs (CDK4/cyclinD: 148 nM; CDK6/cyclinD: 145 nM).

CDK4 inhibitor is a novel and specific CDK4/Cyclin D1 inhibitor with an IC50 of 10 nM; 1500 and 500 fold than CDK1/Cyclin B (IC50>15 uM) and CDK2/Cyclin A (IC50=5.265 uM) respectively.

CDK2-IN-13 is a potent Cyclin-dependent kinase 2 (CDK2) inhibitor (IC50 value: 12 µM).CDK2-IN-13 is involved in cell cycle regulation and can arrest the cell cycle. CDK2-IN-13 prevents cell division and proliferation, induces apoptosis, and can be used in cancer research.

dCeMM3 (2-(1H-benzimidazol-2-ylsulfanyl)-N-(5-chloropyridin-2-yl)acetamide) is a glue degrader. dCeMM3 prompts an interaction of CDK12-cyclin K with a CRL4B ligase complex, result in inducing ubiquitination and degradation of cyclin K.

Vesnarinone (Arkin) (INN) is a mixed phosphodiesterase 3 inhibitor and ion-channel modifier that has modest, dose-dependent, positive inotropic activity, but minimal negative chronotropic activity. It also suppresses cell proliferation and induces apoptosis by inducing the expression of p21, an inhibitor of cyclin-dependent kinase activity in p53-mediated cell cycle arrest.

Obatoclax (GX15-070), a pan-BCL-2 family proteins inhibitor and BH3 mimetic, exhibits a binding affinity (K_i) of 220 nM for BCL-2. It promotes autophagy-dependent cell death and cyclin D1 degradation via the proteasome. Additionally, Obatoclax demonstrates anti-cancer properties and broad-spectrum antiparasitic activity.

1. Eriocitrin (Eriodictyol-7-O-Rutinoside) is powerful antioxidative flavonoid; (1) Prevents oxidative damages caused by acute exercise-induced oxidative stress.(2) Lipid-lowering effects in a rat model of high-fat diet. 2. Dietary Eriocitrin ameliorates diet-induced hepatic steatosis with activation of mitochondrial biogenesis. 3. Eriocitrin and Apigenin were identified as new potent inhibitors of human carbonic anhydrase VA isozyme.

NSC-37445 has anti-tumor activity, such as inhibits growth of bladder tumor cells in a nude mice model , prevents the recurrence and progression of non-muscle-invasive urothelial cell carcinoma. NSC-37445 can significantly reduce the expression of CDK1-inhibitory kinases, Myt1 and Wee1, and cause cyclin B1 protein accumulation leading to CDK1 activation in T24 cells. 3. Flavokawain A (Flavokavain A) may exert anti-inflammatory responses by suppressing LPS-induced expression of pro-inflammatory mediators via blockage of NF-κB-AP-1-JNK/p38 MAPK signaling pathways in the murine macrophages.

SB1317 (TG02) is a potent inhibitor of cyclin dependant kinases (CDKs), Janus kinase 2 (JAK2), and Fms-like tyrosine kinase-3 (FLT3).

DIF-3 is a chemical compound that acts by activating GSK-3β to facilitate the degradation of cyclin D1 and c-Myc, resulting in reduced expression levels of these proteins. In addition, DIF-3 inhibits Wnt/β-catenin signaling pathway-related proteins in DLD-1 cells. This compound exerts a potent antiproliferative effect on the HeLa human cervical cancer cell line by inducing cyclin D1 degradation and inhibiting cyclin D1 mRNA expression [1].

Bohemine is a cyclin-dependent kinase inhibitor.

KenPaullone (9-Bromopaullone), a potent CDK1, CDK2 and CDK5 inhibitor, as new enhancer for iTreg cell differentiation. Kenpaullone promotes iTreg cell differentiation through increased and prolonged transcription of foxp3 gene by enhancing TGFβ-Smad3 signaling pathway.

RO-3306 is a selectivity ATP-competitive CDK1 inhibitor (Ki: 20 nM). The selectivity of RO-3306 for CDK1 is >15-fold higher than a diverse panel of human kinases.

Seliciclib (Roscovitine) is a potent inhibitor of Cdk2/cyclin E (IC50: 0.1 μM). It also inhibits Cdk7/cyclin H, Cdk5/p35, and Cdc2/cyclin B (IC50s: 0.49/0.16/0.65 μM).

BMS-265246 is a potent and selective CDK1/2 inhibitor.

Purvalanol B (NG 95) is a CDK inhibitor that inhibits Cdk2/cyclin A, Cdk2/cyclin E, Cdk5/p35, and Cdk2/cyclin B (IC50s = 6, 9, 6, and 6 nM, respectively)

Indisulam (E 7070) is a carbonic anhydrase inibitor and Antitumor CDK inhibitor. Indisulam targets the G1 phase of the cell cycle by depleting cyclin E. inducing p53 and p21, and inhibiting CDK2, causing a blockade in the G1/S transition.

FIT-039 is a selective and ATP-competitive, orally active inhibitor of CDK9( IC50 : 5.8 μM;CDK9/cyclin T1). FIT-039 inhibits replication of HSV-1 (IC50 of 0.69 μM), HSV-2, human adenovirus, and human CMV. FIT-039 is a promising antiviral agent for inhibiting drug-resistant HSVs and other DNA viruses.

CDK12-IN-6, a pyrazolotriazine compound, is a powerful inhibitor of CDK12. Its inhibitory activity is significant with an IC50 value of 1.19 μM when tested at high ATP concentration (2 mM). Notably, CDK12-IN-6 does not exhibit any inhibitory effect on CDK2/Cyclin E (IC50 >20 μM) and CDK9/Cyclin T1 (IC50 >20 μM) when tested under the same high ATP conditions (2 mM) (WO2021116178A1).

TL12-186 is a Cereblon-dependent kinase degrader that degrades CDK, BTK, FLT3, Aurora and other kinases.TL12-186 inhibits CDK2/cyclin A and CDK9/cyclin T1 with IC50s of 73 and 55 nM, respectively.

LSN3106729 hydrochloride, the metabolite of Abemaciclib , is a CDK inhibitor with antitumor activity. LSN3106729 hydrochloride and a CRBN ligand have been used to design PROTAC CDK4/6 degrader[1]. [1]. Edward S. Kim, et al. Abemaciclib in Combination with Single-Agent Options in Patients with Stage IV Non-Small Cell Lung Cancer: A Phase Ib Study. [2]. Nathanael Gray, et al. Degradation of cyclin-dependent kinase 4/6 (cdk4/6) by conjugation of cdk4/6 inhibitors with e3 ligase ligand and methods of use. WO2017185031A1.

Inostamycin A is a bacterial metabolite that has been found inStreptomycesand has anticancer activity.1It is an inhibitor of CDP-diacylglycerol:inositol 3-phosphatidyltransferase (IC50= 0.02 μg/ml in A431 cell membranes) and is selective for CDP-diacylglycerol:inositol 3-phosphatidyltransferase over phospholipase C (PLC) and phosphatidylinositol kinase at 10 μg/ml.2Inostamycin A decreases viability of YCU-T892, KCC-TC873, KB, HSC-4, and YCU-T891 oral squamous cell carcinoma (OSCC) cells in a concentration-dependent manner.3It induces cell cycle arrest in the G1phase in HSC-4 cells when used at a concentration of 250 ng/ml and induces apoptosis in Ms-1 small cell lung cancer cells at 300 ng/ml.3,4Inostamycin A also reduces levels of matrix metalloproteinase-2 (MMP-2) and MMP-9 and inhibits EGF-induced migration of HSC-4 cells.5 1.Imoto, M., Umezawa, K., Takahashi, Y., et al.Isolation and structure determination of inostamycin, a novel inhibitor of phosphatidylinositol turnoverJ. Nat. Prod.53(4)825-829(1990) 2.Imoto, M., Taniguchi, Y., and Umezawa, K.Inhibition of CDP-DG: inositol transferase by inostamycinJ. Biochem.112(2)299-302(1992) 3.Baba, Y., Tsukuda, M., Mochimatsu, I., et al.Cytostatic effect of inostamycin, an inhibitor of cytidine 5'-diphosphate 1,2-diacyl-sn-glycerol (CDP-DG): inositol transferase, on oral squamous cell carcinoma cell linesCell Biol. Int.25(7)613-620(2001) 4.Imoto, M., Tanabe, K., Simizu, S., et al.Inhibition of cyclin D1 expression and induction of apoptosis by inostamycin in small cell lung carcinoma cellsJpn. J. Cancer Res.89(3)315-322(1998) 5.Baba, Y., Tsukuda, M., Mochimatsu, I., et al.Inostamycin, an inhibitor of cytidine 5'-diphosphate 1,2-diacyl-sn-glycerol (CDP-DG): Inositol transferase, suppresses invasion ability by reducing productions of matrix metalloproteinase-2 and -9 and cell motility in HSC-4 tongue carcinoma cell lineClin. Exp. Metastasis18(3)273-279(2000)

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.

Amsilarotene (TAC101) inhibits the phosphorylation of retinoblastoma gene product (RB) and increases the presence of 2 cyclin-dependent kinases (CDK) inhibitors resulting in cell cycle arrest. This agent also causes a cytotoxic decline in the thymidylate synthase and cyclin A expression.

Abemaciclib metabolite M18 (LSN3106729) is a potent cyclin-dependent kinase (CDK) inhibitor with antitumor properties. It has been incorporated alongside a cereblon (CRBN) ligand to develop a proteolysis-targeting chimera (PROTAC) that selectively degrades CDK4/6 [1] [2].

1D228, a c-Met/TRK inhibitor with antitumor properties, suppresses cyclin D1 to precipitate G0/G1 arrest, thereby inhibiting proliferation and migration of cancer cells. This compound is applicable in researching gastric, liver, and vascular tumors [1].

Tylophorine is a major alkaloid of Tylophora indica with anti-inflammatory and antitumor activity. Tylophorine arrests carcinoma cells at G1 phase by downregulating cyclin A2 expression.

Cdc25A (80-93) (human) is a polypeptide implicated in the regulation of cell proliferation and tumorigenesis through modulation of cyclin D1 expression and facilitation of the G1/S phase transition. This compound has applications in cancer research [1].

YD277 is a small molecule derived from ML264, a KLF5 inhibitor that elicits cytotoxic effects in colon cancer cell lines. YD277 significantly induced G1 cell cycle arrest and apoptosis in MDA-MB-231 and MDA-MB-468 TNBC cells, independent of KLF5 inhibitio

AZD-4573 is a selective and short-acting inhibitor of the serine/threonine cyclin-dependent kinase 9, the catalytic subunit of the RNA polymerase II elongation factor positive transcription elongation factor b. It also has a potential antineoplastic activ

CAN508 is a potent, ATP-competitive CDK9/cyclin T1 inhibitor with an IC50 of 0.35 μM. It is also a competitive inhibitor of Cdk2-cyclin E with respect to ATP, with Ki and IC50 values of 13.3 and 20 μM, respectively.CAN508 exhibits a 38-fold selectivity for CDK9/cyclin T over other CDK/cyclin complexes. Antitumor activity.

LG308 shows antimicrotubule activity which is a novel synthetic compound. LG308 induces apoptosis, cell death, and significantly suppresses tumor growth that has the potential for the prostate cancer research. LG308 induces arrest of mitotic phase and significantly inhibits progression of G2/M which is associated with the upregulation of cyclin B1 and mitotic marker MPM-2 and the dephosphorylation of cdc2 [1].

6-Chloro-2-fluoropurine is a heterocyclic building block.1,2It has been used in the synthesis of purine nucleosides that inhibit cyclin-dependent kinases (CDKs)in vitro.16-Chloro-2-fluoropurine has also been used in the synthesis of purine nucleosides that are active against HIV-1 and hepatitis B virus (HBV)in vitro.2 1.Wilson, S.C., Atrash, B., Barlow, C., et al.Design, synthesis and biological evaluation of 6-pyridylmethylaminopurines as CDK inhibitorsBioorg. Med. Chem.19(22)6949-6965(2011) 2.Lee, K., Choi, Y., Gullen, E., et al.Synthesis and anti-HIV and anti-HBV activities of 2'-fluoro-2',3'-unsaturated L-nucleosidesJ. Med. Chem.42(7)1320-1328(1999)

Briciclib (ON 014185) is a small molecule that suppresses cyclin D1 accumulation in Y cells.

GW780056X is a selective inhibitor of cyclin-dependent kinase. GW780056X is also an inhibitor of Yes1 kinase. It is an inhibitor of binding or entry into cells for the Lassa Virus.

RKS262 is a specific cyclin/CDK inhibitor. RKS262 was identified by structural optimization of Nifurtimox which is currently undergoing phase II clinical trials to treat high-risk neuroblastoma. In a NCI(60) cell-line assay RKS262 exhibited significant cytotoxicity in ovarian cancer cells and a variety of other cell lines exceeding effects of commercial drugs such as cisplatin, 5-FU, cyclophosphamide or sapacitabine. Various leukemia cell-lines were most sensitive (GI(50): ~ 10 nM) while several non-small cell lung cancer cell lines and few cell lines from other tissues were relatively resistant (GI(50) > 1 µM) to RKS262 treatment.