CFI-400945 is a potent, highly selective PLK4 inhibitor with Ki of 0.26 nM and IC50 of 2.8 nM, does not significantly inhibits PLK1/2/3 at 50 uM; causes dysregulated centriole duplication, mitotic defects, and cell death in multiple cancer cell lines (A549 GI50=5 nM, OVCAR-3 GI50=18 nM); significantly inhibits human cancer xenografts; causes polyploidy, growth inhibition, and apoptotic death of murine and human lung cancer cells, despite expression of mutated KRAS or p53, produces supernumerary centrosomes and mitotic defects in lung cancer cells.

CFT-8634 (CFT8634) is a potent, selective, orally bioavailable BRD9 BiDAC degrader with DC50 of 3 nM, high selectivity over BRD4 abd BRD7.Unlike BRD9 inhibition, BRD9 degradation is efficacious in preclinical models of synovial sarcoma and CFT8634 is ongoing for the treatment of SMARCB1-perturbed cancers.

CG428 (CG-428) is a first-in-class potent and selective TRK degrader (PROTAC) with DC50 of 0.36 nM.CG428 (CG-428) showed selectivity for the degradation of endogenous TPM3-TRKA over ectopically expressed ATP/GTP binding protein-like 4 (AGBL4)-TRKB or ETS variant transcription factor 6 (ETV6)-TRKC fusion proteins in KM12 cells.CG428 exhibited higher potency for inhibiting growth of KM12 cells with IC50 of 2.9 nM, compared with the parental TRK kinase inhibitor.CG428 (CG-428) is a valuable chemical tool compound for investigating the in vivo function of TRK fusion during tumorigenesis

cis-ISRIB is a weak inhibitor of PERK signaling compared to trans-ISRIB , potently reverses the effects of eIF2α phosphorylation with IC50 of 600 nM.ISRIB reduces the viability of cells subjected to PERK-activation by chronic endoplasmic reticulum stress, displays significant enhancement in spatial and fear-associated learning.ISRIB is a potent inhibitor of the integrated stress response (ISR)integrated stress response (ISR).

CLC-2-IN-AK42 (CLC-2 inhibitor AK42, AK42) is a potent, specific small-molecule inhibitor of voltage-gated chloride channel CLC-2 with IC50 of 17 nM (human CLC-2).AK42 displays unprecedented selectivity (>1,000-fold) over CLC-1, the closest CLC-2 homolog, and no off-target engagement a diverse panel of 61 CNS receptors, channels, and transporters expressed in brain tissue.AK-42 binds to an extracellular vestibule above the channel pore. AK-42 is almost three orders-of-magnitude more potent than MCFA, demonstrates high potency (IC50=14 nM for rat CLC-2) in manual patch-clamp experiments on CHO cells transiently transfected with rat CLC-2.AK-42 inhibits hyperpolarization-activated current in hippocampal cells, attenuates steady-state currents and eliminated relaxation currents in recorded neurons.AK-42 is a powerful tool for investigating CLC-2 neurophysiology.

CU-CPD107 is a TLR8-specific small molecule with unique synergistic agonist activities in the presence of ssRNA, but inactive without the aid of ssRNA.CU-CPD107 significantly inhibited of R848-induced signaling in HEK-Blue hTLR8 cells with an IC50 of 13.7 uM.CU-CPD107 only inhibited synthesized small-molecule agonist-induced TLR8 signaling without affecting other TLRs.CU-CPD107 synergistically increased IFN-β, TNF-α, IL-1β, IL-6, and IL-8 mRNA expression levels in the presence of 5 μg/ml ssRNA40 in HEK-Blue hTLR8 cells, whereas CU-CPD107 alone did not. CU-CPD107 only activated TLR8-mediated signaling in the presence of ssRNA.CU-CPD107 showed no pure agonistic activity, addressing a major challenge that has existed for previous TLR7 and TLR8 agonists as vaccine adjuvants or antiviral drugs.

CXCR6 inhibitor 81 is a potent (EC50=40 nM) and selective orally bioavailable small molecule antagonist of human CXCR6 receptor; Compound 81 displays >10-fold improvement in potency in both the β-arrestin and cAMP assays (IC50 =40 and 540 nM, respectively) compared to ML339. CXCR6 inhibitor 81 inhibits migration of SK-HEP-1 hepatoma cells in a dose dependent manner. Compound 81 has promising oral DMPK data, significantly decreases tumor growth in a 30-day mouse xenograft model of HCC.

dBRD9 dihydrochloride is a potent and selective degrader (PROTAC) of BRD9 with IC50 of 56.6 nM in MOLM-13 cells.dBRD9 is composed of the BRD9 inhibitor BI 7273 conjugated to the cereblon E3 ligase ligand pomalidomide.dBRD9 does not degrade BRD4 or BRD7 at concentrations up to 5 uM.dBRD9 exhibits antiproliferative effects in human AML cell lines.

DCC-3116 (DCC3116) is a first-in-class, selective inhibitor of ULK1/2 kinases (IC50=4.7/35 nM) and autophagy.DCC-3116 is an oral ULK1/2 inhibitor targeting the autophagy pathway, a key mechanism of tumor survival and resistance to targeted therapy.

DC-TEAD3in03 is a potent, selective, covalent TEAD3 inhibitor with IC50 of 0.16 uM, 100-fold selectivity over other TEAD isoforms (IC50>20 uM) in ABPP assays.DC-TEAD3in03 could significantly improve the thermal stability of TEAD3 protein, while it had minimal effect on widetype TEAD1, TEAD1 C359S and TEAD3 C371A mutants, demonstrated selective cellular engagement with Cys371 of TEAD3.DC-TEAD3in03 showed selective inhibitory effect on TEAD3 in GAL4-TEAD (1–4) reporter assays with IC50 of 1.15 uM in cellular assays.DC-TEAD3in03 reduced the growth rate of zebrafish caudal fins when administered to zebrafish juveniles.In the Hippo signaling pathway, the transcription factor TEA domains (TEADs) family proteins (TEAD1‒4) are the most important terminal regulators, which play an important role in development, cell proliferation, cell differentiation, tissue homeostasis, and regeneration.

Debio 0123 (Debio0123) is a potent, orally available, and highly selective Wee1 kinase inhibitor with IC50 of 0.8 nM, Ki of 0.1 nM.Debio 0123 is highly selective to Wee1 on 465 selected kinases in a cellfree system, does not inhibit Plk1 and Plk2, as also reported in recent publications for AZD1775.Debio 0123 exhibits in vitro growth inhibition activity in a broad number of human cancer cell lines (IC50= 0.109 to 7.08 uM).Debio 0123 prevent CDC2 / Cdk1 phosphorylation, induces γH2AX and enhances phosphorylation of histone H3.Debio 0123 induces apoptosis through mitotic catastrophe following cell cycle progression despite accumulation of unrepaired DNA damage both in vitro and in vivo.

DU011 is a noncanonical anti-infective agent and small-molecule inhibitor of capsule biogenesis, targets MprA (Kd=30 nM), a MarR family transcriptional repressor of multidrug efflux pumps, inhibits capsule expression in E. coli. DU011 does not alter Escherichia coli antibiotic resistance and has significantly enhanced inhibition of capsule expression, compared with other proposed MprA ligands, such as salicylate and 2,4-dinitrophenol (DNP).

DW0254 (DW-0254,DW 0254) is a small molecules capable of inhibiting RAS-related C3 botulinum toxin substrate (RAC) small GTPase activation in ALL cell lines, directly binds to the hydrophobic pocket of PDE6D (Kd=436 nM, ITC), a RAS chaperone protein.DW0254 demonstrated dose-dependent RAC inhibition, arrest of proliferation and induced apoptosis in human leukemic cell lines (RS4;11 IC50=1.5-1.8 uM), also showed promising anti-leukemic activity in RAS-mutated cells (CCRF-CEM NRAS G12D, IC50=3.3-4.2 uM).DW0254 disrupted the interaction between PDE6D and RAS, disturbing RAS subcellular localization.DW0254 demonstrated anti-leukemic activity, decreased tumor progression in a murine xenograft model.

DX-308 is a potent, selective dual CYP26A1/B1 inhibitor and retinoic acid metabolism blocking agent.DX308 does not interact with off‐target nuclear receptors or CYP450s, is not genotoxic, and is stable in skin, despite vigorous hepatic metabolism.Topical DX308 induces comedolysis and epidermal thickening without apparent adverse effects in vivo.DX308 shows potent modulation of retinoid‐responsive genes by DX308 in both healthy and keratinization disorder keratinocytes (KCs).DX 308 may present an improved therapeutic alternative for the treatment of keratinization disorders and other retinoid‐responsive skin ailments.

DX314 is a potent, specific CYP26B1 inhibitor with IC50 of 108 nM, >15-fold selectivity over CYP26A1.DX314 potentiates all-trans-RA (atRA) gene expression effects in healthy and diseased reconstructed human epidermis (RHE).DX314 potentiates the effects of atRA on the expression and localization of keratin 10 (KRT10), protects barrier function in RHE.DX314 reduces comedonal number, induces epidermal thickening, and increases comedonal profile, while having no effect on transepidermal water loss (TEWL) in treated rhino mice.

DYRK2 inhibitor C17 is a potent, selective DYRK2 inhibitor with IC50 of 9 nM, weakly inhibits DYRK3 (IC50=68 nM), and does not inhibit DYRK1A/1B (IC50>2000 nM).C17 showed outstanding selectivity for the human kinome containing 467 other human kinases.C17 showed synergistic 4E-BP1 phosphorylation suppression combined with AKT and MEK inhibitors.C17 impeded the store-operated calcium entry process (ORAI1 channel).

E722-2648 (Compound C-1) is a novel specific and competitive small molecule β-catenin/BCL9 interaction inhibitor with ITC KD of 1.05 uM and IC50 of 9 uM, blocks oncogenic Wnt signaling and disrupts cholesterol homeostasis in colorectal cancer.E722-2648 (Compound C-1) inhibited β-catenin/BCL9 complexes at concentrations as low as 1 uM in BCL9-dependent CRC cell lines, Colo320 and HCT116.E722-2648 (Compound C-1) inhibited the expression of bona fide downstream Wnt/β-catenin target genes, AXIN2 and CD44, in the β-catenin/BCL9-dependent CRC cell lines.E722-2648 (Compound C-1) disrupted cholesterol homeostasis via increased cholesterol esterification and lipid droplet accumulation.E722-2648 (Compound C-1) demonstrated antitumorigenic activity in CRC cell lines and xenograft mouse models.

EGPI-1 is a potent small molecule that inhibits the translation initiation factors eIF4E/eIF4G interaction.EGPI-1 has potent antiproliferative and proapoptotic activity in multiple myeloma cells, Jurkat cells, and A549 lung cancer cell lines, inhibts A549 proliferation with IC50 of 2.61 uM, which is better than that of 4EGI-1 (IC50=58.6 uM), inhibits cancer cell growth by inhibiting eIF4E phosphorylation and inhibiting PI3K/Akt/mTOR signal pathway.EGPI-1 induces autophagy, apoptosis, G0/G1 cell cycle arrest and ROS generation in A549 cells, disrupts the mitochondrial membrane potential (∆ψ m).EGPI-1 demonstrated in vivo anti-tumor activities in A549-xenografted athymic mice (25 mg/kg/day, 50 mg/kg/day, i.p.).

Elunonavir is an azapeptide atazanavir analogs useful for treating HIV infections.

Encequidar (HM30181) is a potent selective inhibitor of MDR1 (ABCB1, P-gp) with IC50 of 0.63 nM.Encequidar (HM30181) effectively blocked transepithelial transport of paclitaxel in MDCK monolayers.Encequidar (HM30181) does not inhibit MRP1 (ABCC1), MRP2 (ABCC2), and MRP3 (ABCC3), and partially inhibited BCRP (ABCG2) only at very high concentrations.Oral co-administration of paclitaxel and HM30181 showed a tumor-inhibitory strength equal or superior to that of intravenous paclitaxel in the xenograft model in nude mice.

ETC-168 (ETC168) is a potent, selective MNK kinase inhibitor with biochemical IC50 of 23 and 43 nM against MNK1 and MNK2, respectively.ETC-168 acts as a MNK2-biased, dual-MNK inhibitor in cells.ETC-168 induced dose-dependent growth suppression and inhibited 50% of cell viability at 5 uM in LPS141 and MESSA, ETC-168 treatment elicited a consistent increase of cells in G0/G1 phase among LPS141, LP6, and MESSA cells in a dose-dependent manner. ETC-168 decreased cells of S and G2/M phases, while no significant induction of sub-G1 cells.Inhibition of MNK1/2 by ETC-168 elevated the expression of MNK1/2 at both transcript and protein levels in soft tissue sarcoma (STS) cells.ETC-168 effectively suppressed both p-4E and cell viability in MESSA cells, but not CGP57380 and eFT508.ETC-168 suppresseed phosphorylation of ribosomal protein S6 (RPS6) in sensitive STS cell, decreased expression of E2F1, FOXM1, and WEE1.Inhibition of MCL1 via S63845 synergizes with ETC-168 against STS cells.

FGIN-1-27 is an anxiolytic compound that acts as a selective agonist at the peripheral benzodiazepine receptor (TSPO).FGIN-1-27 inhibited Th17 cell differentiation, significantly downregulated the expression of RORγt target genes, notably Il17a, Il17f, Il23r, Ltb4r1,Ccr6.FGIN-1-27 protected mice against EAE, induced amino acid starvation response (AAR), FGIN-1-27 produced anti-anxiety and anti-panic effects in non-mammalian models.