Rp-8-CPT-cAMPS sodium, a cAMP analog, is a potent and competitive antagonist of cAMP-induced activation of cAMP-dependent PKA I and II. Rp-8-CPT-cAMPS sodium preferentially selects site A of RI compares to site A of RII and site B of RII compares to site B of RI[1][2].
TG 100572 is a multi-targeted kinase inhibitor which inhibits receptor tyrosine kinases and Src kinases; has IC50s of 2, 7, 2, 16, 13, 5, 0.5, 6, 0.1, 0.4, 1, 0.2 nM for VEGFR1, VEGFR2, FGFR1, FGFR2, PDGFRβ, Fgr, Fyn, Hck, Lck, Lyn, Src, Yes, respectively.
PRT062607(P505-15; PRT-2607; BIIB-057) is a highly specific and potent inhibitor of Syk with IC50 of 1-2 nM; >80-fold selective for Syk than Fgr, Lyn, FAK, Pyk2 and Zap70.IC50 value: 1-2 nM [1]Target:Syk kinase inhibitorin vitro: In human whole blood, P505-15 potently inhibited B cell antigen receptor-mediated B cell signaling and activation (IC50 0.27 and 0.28 μM, respectively) and Fcε receptor 1-mediated basophil degranulation (IC50 0.15 μM) [1]. P505-15 successfully inhibited SYK-mediated B-cell receptor signaling and decreased cell viability in NHL and CLL [2]. PRT318 and P505-15 effectively antagonize CLL cell survival after BCR triggering and in nurse-like cell-co-cultures. Moreover, they inhibit BCR-dependent secretion of the chemokines CCL3 and CCL4 by CLL cells, and leukemia cell migration toward the tissue homing chemokines CXCL12, CXCL13, and beneath stromal cells. PRT318 and P505-15 furthermore inhibit Syk and extracellular signal-regulated kinase phosphorylation after BCR triggering [3].in vivo: Similar levels of ex vivo inhibition were measured after dosing in mice (Syk signaling IC50 0.32 μM). Oral administration of P505-15 produced dose-dependent anti-inflammatory activity in two rodent models of rheumatoid arthritis [1]. Oral dosing in mice prevented BCR-mediated splenomegaly and significantly inhibited NHL tumor growth in a xenograft model. In addition, combination treatment of primary CLL cells with P505-15 plus fludarabine produced synergistic enhancement of activity at nanomolar concentrations [2].
PKI (14-24)amide is a potent PKA inhibitor. PKI (14-24)amide strongly inhibited cyclic AMP-dependent protein kinase activity in the cell homogenate[1][2].
ALK5-IN-30 (EX-07) is a potent ALK inhibitor, inhibits ALK5 and TGFβ-R1 with both IC50s <10 nM[1].
Lyn-IN-1 is a potent and selective dual Bcr-Abl/Lyn inhibitor, extracted from patent WO2014169128A1.
PP2 is a reversible and ATP-competitive Src family kinases inhibitor with IC50s of 4 and 5 nM for Lck and Fyn, respectively.
VEGFR-2-IN-29 (Compound 5) is a VEGFR-2 inhibitor with an IC50 of 16.5 nM[1].
AC-386 is a highly potent c-Met inhibitor with IC50 value of 7.42 nM. AC-386 has antiproliferative activities against certain cancer cell lines. AC-386 can be used for researching anti-cancer resistance[1].
FGFR3-IN-2 (compound 18b) is a potent and selective FGFR3 inhibitor, with IC50s of 4.1 nM and 570 nM for FGFR3 and VEGFR2, respectively. FGFR3-IN-2 can be used for the research of bladder cancer[1].
Mifanertinib is a potent tyrosine kinase inhibitor with antineoplastic activity[1].
Sp-cAMPS sodium salt, a cAMP analog, is potent activator of cAMP-dependent PKA I 和 PKA II. Sp-cAMPS sodium salt is also a potent, competitive phosphodiesterase (PDE3A) inhibitor with a Ki of 47.6 µM. Sp-cAMPS sodium salt binds the PDE10 GAF domain with an EC50 of 40 μM[1][2][3].
FGF-401 is an inhibitor of FGFR4 extracted from patent WO2015059668A1, compound example 83; has an IC50 of 1.9 nM.
Antimicrobial agent-2 (compound V-a) is a broad-spectrum antimicrobial agent, possessing inhibitory activity against various Gram-positive and -negative bacteria. Antimicrobial agent-2 has excellent inhibitory effect on Methicillin-resistant Staphylococcus aureus (MRSA) with a MIC of 1 μg/mL. Antimicrobial agent-2 can effectively damage the membrane and lead to the leakage of protein, also can induce the generation of ROS. Antimicrobial agent-2 exhibits low toxicity, no obvious resistance and good bioavailability[1].
Nilotinib monohydrochloride monohydrate is a second generation tyrosine kinase inhibitor (TKI), is significantly more potent against BCR-ABL than Imatinib, and is active against many Imatinib-resistant BCR-ABL mutants.
Syk Inhibitor II dihydrochloride is a potent, high selective and ATP-competitive Syk inhibitor with an IC50 of 41 nM. Syk Inhibitor II dihydrochloride inhibits 5-HT release from RBL-cells with an IC50 of 460 nM. Syk Inhibitor II dihydrochloride shows less potent against other kinases and has anti-allergic effect[1].
(Rac)-SAR131675 is the racemate of SAR131675. SAR131675 is a potent and selective VEGFR3 inhibitor with an IC50 of 23 nM[1][2].
PLX647 is a highly specific dual FMS/KIT kinase inhibitor with IC50 of 28/16 nM respectively.IC50 value: 28/16 nM(FMS/KIT) [1]Target: FMS/KIT dual inhibitorin vitro: PLX647 was tested against a panel of 400 kinases at a concentration of 1 μM, 35-fold above its FMS enzymatic IC50 and 60-fold above its KIT enzymatic IC50. In addition to FMS and KIT, the activities of only nine kinases were inhibited by more than 50%. PLX647 potently inhibits the growth of FLT3–ITD-expressing MV4-11 cells (IC50 = 0.11 μM) but not OCI-AML5 (IC50 = 1.6 μM), which express wild-type FLT3. PLX647 displayed minimal inhibition of the proliferation of Ba/F3 cells expressing BCR–KDR (IC50 = 5 μM) [1]. in vivo: PLX647 (40 mg/kg) was dosed orally 4.25 h before LPS injection. Treatment with PLX647 reduced serum TNF-α levels by 85% compared with the vehicle control. In the same experiment, the positive control dexamethasone (0.5 mg/kg, PO) lowered the TNF-α levels by 96%. Treatment with 40 mg/kg PLX647 also resulted in significant inhibition of IL-6 release (75%), with similar potency to dexamethasone (70%) . In the UUO kidneys, treatment with PLX647 [40 mg/kg twice daily (BID)] resulted in reduction in the levels of F4/80+ macrophages by 77% compared with vehicle [1].
Cinsebrutinib is a Bruton's tyrosine kinase inhibitor, extracted from patent WO2021207549 (compound 5-6). Cinsebrutinib has the potential for cancer study.
FGFR-IN-12 (example 14), a pyrimidinyl aryl urea derivative, is a potent FGFR inhibitor[1].
KTX-955 is a potent IRAK4 degrader with DC50 values of 5 nM and 130 nM for IRAK4 and Ikaros, respectively. KTX-955 can be used to research anticancer[1][2].
CA-4948 is a selective and potent IRAK4 inhibitor.
Ponatinib is a potent, orally available multi-targeted kinase inhibitor with IC50s of 0.37 nM, 1.1 nM, 1.5 nM, 2.2 nM, and 5.4 nM for Abl, PDGFRα, VEGFR2, FGFR1, and Src, respectively.
ALK/EGFR-IN-2 is a potent dual inhibitor of ALK and EGFR. ALK/EGFR-IN-2 induces apoptosis and G0/G1 cell cycle arrest in cancer cells. ALK/EGFR-IN-2 significantly inhibits the cell proliferation of H1975, PC9, and Baf3-EML4-ALK cancer cell lines with IC50s of 0.0034, 0.0065, and 0.0018 μM, respectively[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].
Picroside II, an iridoid compound extracted from Picrorhiza, exhibits anti-inflammatory and anti-apoptotic activities. picroside II alleviates the inflammatory response in sepsis and enhances immune function by inhibiting the activation of NLRP3 inflammasome and NF-κB pathways[1]. Picroside II is an antioxidant, exhibits a significant neuroprotective effect through reducing ROS production and protects the blood-brain barrier (BBB) after cerebral ischemia-reperfusion (CI/R) injury[2].
EGFR/ErbB-2/ErbB-4 inhibitor-3 (compound 29) is a potent tyrosine kinase inhibitor with IC50s of 0.3, 1.1, 0.5, 2.5, 24 nM for erbB1, erbB2, erbB4, EGF, HER, respectively[1].
SUN13837 is an orally active, potent and BBB-penetrated FGFR (fibroblast growth factor receptor) modulator. SUN13837 shows neuroprotective activity. SUN13837 can be used for neurodegenerative diseases research[1].
ROS kinases-IN-2 is a ROS kinase inhibitor with 21.53% inhibition at 10 μM[1].
TRK-IN-16 is a potent inhibitor of TRK. Protein kinases play a critical role in the control of cell growth and differentiation and are responsible for the control of a wide variety of cellular signal transduction processes. TRK-IN-16 has the potential for the research of TRK-related diseases (extracted from patent WO2012034091A1, compound X-21)[1].