BTK-IN-10 is a potent BTK inhibitor with IC50s of <5 nM for wild-type BTK or mutated BTK (C481S), respectively (WO2022012509A1; example 111)[1].
Huangjiangsu A, pseudoprotodioscin, methyl protobioside, protodioscin, and protodeltonin, isolated from D. villosa. Huangjiangsu A has hepatoprotective potential against H2O2-induced cytotoxicity and ROS generation and could be promising as potential therapeutic agents for liver diseases[1].
LCB 03-0110 is a potent, ATP-competitive inhibitor of Discoidin domain receptor (DDR) family and c-Src tyrosine kinase family, as well as Btk and Syk; potently inhibits the activated tyrosine kinase activity of DDR2 (IC50=6 nM), and nonactivated form of DDR2 (IC50=145 nM); suppresses collagen-induced autophosphorylation of DDR1 and DDR2 with IC50 of 164 and 171 nM in cell-based assays; inhibits all eight Src family kinases with IC50 of 2-20 nM; suppresses the proliferation and migration of primary dermal fibroblasts induced by TGF β1 and type I collagen (IC50=194 nM), inhibits cell migration and nitric oxide, iNOS, COX2, and TNF-α synthesis in LPS-activated J774A.1 macrophage cells; suppresses hypertrophic scar formation in wound healing models.
Aflibercept (VEGF Trap) is a soluble decoy VEGFR constructed by fusing the Ig domains of VEGFR1 and VEGFR2 with the Fc region of human IgG1. Aflibercept inhibits VEGF signaling by reducing VEGF-regulated processes. Aflibercept can be used for thr research of age-related macular degeneration (AMD) and cardiovascular disease[1][2][3].
PF-562271 is a potent ATP-competitive, reversible inhibitor of FAK and Pyk2 kinase, with an IC50 of 1.5 nM and 13 nM, respectively.
BT173 is a small molecule allosteric inhibitor of HIPK2-Smad3 interaction, specifically inhibits the TGF-β1/Smad3 pathway.BT173 disrupts HIPK2-Smad3 protein-protein interaction (PPI) without significant inhibition of HIPK2 kinase activity or inhibition of p53 activation.BT173 inhibits Smad3 phosphorylation in human kidney cells in vitro.BT173 significantly attenuated renal fibrosis development in the UUO mice, significantly decreased Smad3 phosphorylation and α-SMA expression in the UUO kidneys.Treatment of BT173 ameliorated kidney fibrosis in Tg26 mice.
LM22B-10 is an activator of TrkB/TrkC neurotrophin receptor, and can induce TrkB, TrkC, AKT and ERK activation in vitro and in vivo.
LOXO-195 is a next-generation TRK kinase inhibitor (TKI), with IC50s of 0.6 nM, <2.5 nM for TRKA and TRKC respectively.
MK-2461 is a novel ATP-competitive multitargeted inhibitor of activated c-Met with a mean IC50 of 2.5 nM.IC50 value: 2.5 nM [1]Target: c-Metin vitro: MK-2461 inhibits the kinase activity of human c-Met with a mean IC50 of 2.5 nM in the presence of 50 μM ATP. Ron (IC50 = 7 nM) and Flt1 (IC50 = 10 nM) are inhibited by MK-2461 with similar potencies to c-Met (IC50 = 2.5 nM), whereas nine other kinases, including FGFR1, FGFR2, FGFR3, PDGFRβ, KDR, Flt3, Flt4, TrkA, and TrkB, are found to be 8- to 30-fold less sensitive to MK-2461 than c-Met. [1]in vivo: MK-2461 inhibits c-Met signaling and tumor growth in tumor xenograft models in mice.[1]
Acrizanib is a VEGFR-2 inhibitor, with an IC50 of 17.4 nM for BaF3-KDR.
VA5 is a BTK kinaseinhibitor. VA5 has the potential to be used to study diseases associated with BTK kinase activity.
Mutated EGFR-IN-2 (compound 91) is a mutant-selective EGFR inhibitor extracted from patent WO2017036263A1, which potently inhibits single-mutant EGFR (T790M) and double-mutant EGFR (including L858R/T790M (IC50=<1nM) and ex19del/T790M), and can suppress activity of single gain-of-function mutant EGFR (including L858R and ex19del) as well. Mutated EGFR-IN-2 shows anti-tumor antivity[1].
KB SRC 4 is a potent, and highly selective c-Src inhibitor, with a Ki of 44 nM and a Kd of 86 nM, and shows no inhibition on c-Abl up to 125 μM; KB SRC 4 has antitumor activity.
Sovleplenib (HMPL-523) is a highly potent, orally available and selective SYK inhibitor with an IC50 of 25 nM. Anti-tumor activity. Sovleplenib can be used for the research of immune thrombocytopenia (ITP)[1].
Amuvatinib (MP-470) is a potent and multi-targeted inhibitor of c-Kit, PDGFRα and Flt3 with IC50 of 10 nM, 40 nM and 81 nM, respectively.IC50 Value: 10 nM(c-KitD816H); 40 nM(PDGFRαV561D); 81 nM(Flt3D835Y) [1]Target: c-Kit; PDGFRα; FLT3in vitro: The hydrochloride salt of MP-470 also inhibits several mutants of c-Kit, including c-KitD816V, c-KitD816H, c-KitV560G, and c-KitV654A, as well as a Flt3 mutant (Flt3D835Y) and two PDGFRα mutants (PDGFRαV561D and PDGFRαD842V), with IC50 of 10 nM to 8.4 μM. MP-470 potently inhibits the proliferation of OVCAR-3, A549, NCI-H647, DMS-153, and DMS-114 cells, with IC50 of 0.9 μM–7.86 μM [1]. MP-470 also inhibits c-Kit and PDGFRα, with IC50 values of 31 μM and 27 μM, respectively. MP-470 demonstrates potent cytotoxicity against MiaPaCa-2, PANC-1, and GIST882 cells, with IC50 of 1.6 μM to 3.0 μM. MP-470 also binds to and inhibits several c-Kit mutants, including c-KitK642E, c-KitD816V, and c-KitK642E/D816V [2]. In MDA-MB-231 cells, MP-470 (1 μM) inhibits tyrosine phosphorylation of AXL [3]. In LNCaP and PC-3, but not DU145 cells, MP-470 exhibits cytotoxicity with IC50 of 4 μM and 8 μM, respectively, and induces apoptosis at 10 μM. In LNCaP cells, MP-470 (10 μM) elicits G1 arrest and decreases phosphorylation of Akt and ERK1/2 [4].in vivo: In mice xenograft models of HT-29, A549, and SB-CL2 cells, MP-470 (10 mg/kg–75 mg/kg via i.p. or 50 mg/kg–200 mg/kg via p.o.) inhibits tumor growth [1]. In mice bearing LNCaP xenograft, MP-470 (20 mg/kg) combined with Erlotinib significantly induces tumor growth inhibition (TGI) [4].
AS-1763 is a potent, selective, noncovalent, and orally available inhibitor of Bruton’s tyrosine kinase (IC50 = 0.85 nM).
DMNQ is a redox cycling agent that generates both superoxide and hydrogen peroxide intracellularly in a concentration dependent manner. DMNQ increases ROS generation[1].
LDN-192960 hydrochloride is an inhibitor of Haspin and Dual-specificity Tyrosine-regulated Kinase 2 (DYRK2) with IC50s of 10 nM and 48 nM, respectively[1].
Anticancer agent 56 (compound 4d) is a potent anti-cancer agent with drug-likeness properties, possessing anticancer activity against several cancer cell lines (IC50<3 μM). Anticancer agent 56 induces cell cycle arrest at G2/M phase and triggers mitochondrial apoptosis pathway. Anticancer agent 56 acts by accumulation of ROS, up regulation of BAX, down regulation of Bcl-2 and activation of caspases 3, 7, 9[1].
TGFβRI-IN-2 (compound 18) is a potent, selective and orally active (Activin-Like Kinase 5) ALK 5 inhibitor with pIC50 and pEC50 values of 7.6 and 6.63, respectively. TGFβRI-IN-2 can produce observed cardiac toxicity in vivo at high dose[1].
Capmatinib (INC280; INCB28060) hydrochloride is a potent, orally active, selective, and ATP competitive c-Met kinase inhibitor (IC50=0.13 nM). Capmatinib hydrochloride can inhibit phosphorylation of c-MET as well as c-MET pathway downstream effectors such as ERK1/2, AKT, FAK, GAB1, and STAT3/5. Capmatinib hydrochloride potently inhibits c-MET-dependent tumor cell proliferation and migration and effectively induces apoptosis. Antitumor activity. Capmatinib hydrochloride is largely metabolized by CYP3A4 and aldehyde oxidase[1][2][3].
OSI-930 is a potent inhibitor of Kit, KDR and CSF-1R with IC50 of 80 nM, 9 nM and 15 nM, respectively; also potent to Flt-1, c-Raf and Lck and low activity against PDGFRα/β, Flt-3 and Abl.IC50 value: 9 nM(VEGFR2); 15 nM(CSF1R); 80 nM (Kit activated) [1]Target: VEGFR2/Kit/CSF1Rin vitro: OSI-930 inhibits the cell proliferation in the HMC-1 cell line with IC50 of 14 nM without significant effect on growth of the COLO-205 cell line that does not express a constitutively active mutant receptor tyrosine kinase. Moreover, OSI-930 also induces apoptosis in HMC-1 cell line with EC50 of 34 nM [1]. A recent study shows that OSI-930 inactivates purified, recombinant cytochrome P450 (P450) 3A4 with a Ki of 24 μM in a time- and concentration-dependent mode [2].in vivo: OSI-930, administrated at the maximally efficacious dose of 200 mg/kg by oral gavage, exhibits potent antitumor activity in a broad range of preclinical xenograft models including HMC-1, NCI-SNU-5, COLO-205 and U251 xenograft models [1].
K02288 is a potent inhibitor of ALK, and inhibits ALK1/2/3/6 with IC50s of 1.8/1.1/34.4/6.3 nM; K02288 is less potent against ALK4/5, with IC50s of 302 nM and 321 nM.
FLT3/D835Y-IN-1 (compound 13a) is a orally active, potent and selective FLT3 and FLT3/D835Y inhibitor, with IC50 values of 0.26 nM and 0.18 nM, respectively. FLT3/D835Y-IN-1 also blocks tumor growth, has anticancer efficacy, and can be used to research for AML (acute myeloid leukemia)[1].
AChE/BChE-IN-9 (Compound 7a) is a potent, orally active AChE and BChE inhibitor with IC50 values of 5.74 μM and 14.05 μM against hAChE and eqBChE, respectively. AChE/BChE-IN-9 is also an efficacious antioxidant with an IC50 of 57.35 μM. AChE/BChE-IN-9 is able to chelate iron and modulates aggregation of amyloid β1-42. AChE-IN-16 can cross the BBB[1].
ITK/TRKA-IN-1 is a dual inhibitor of IL-2-inducible T-cell kinase (ITK) and tropomyosin receptor kinase A (TRKA) with an IC50 value of 1.0 nM and 96 % inhibition, respectively.
Mobocertinib succinate (compound A) is a potent epidermal growth factor receptor (EGFR) inhibitor and an antineoplastic agent, extracted from patent WO2019222093A1, compound A[1][2].
ALK5-IN-6 is a potent inhibitor of ALK5. Transforming growth factor beta (TGF-β) is a multifunctional cytokine that is involved in regulating cell proliferation, differentiation and apoptosis through complex receptor signaling pathways on the cell surface in an autocrine, paracrine and endocrine manner. ALK5-IN-6 has the potential for the research of TGF-β-related diseases and conditions, including but not limited to tumors, fibrotic diseases, inflammatory diseases, autoimmune diseases, etc (extracted from patent WO2021129621A1, compound 1)[1].
Pulocimab is an anti-VEGFR2 monoclonal antibody (mAb). Pulocimab can be used for the research of cancers[1].
Lacnotuzumab (MCS110) is a neutralizing humanized IgG1/κ monoclonal antibody targeting CSF-1 that prevents CSF-1 from activating the CSF-1R. Lacnotuzumab can be used for the research of pigmented villonodular synovitis[1][2].