JPE1375 is a potent, peptidomimetic C5a receptor antagonist with IC50 of 39 nM.JPE1375 inhibits neutrophil influx in the RPAR in mice.

JNJ-pan-AR is a highly potent, selective antagonist of androgen receptor (AR) wild-type and F877L mutant for the treatment of the F877L mutant and wild-type CRPC.

JNJ-39641160 (JNJ39641160) is a peripherally restricted, non-covalent, potent, selective, orally-available Cathepsin S (CatS) inhibitor with Ki of 38 nM (hCatS).JNJ-39641160 maintains a high selectivity against other closely related cysteine proteases including cathepsins B, C, F, V (L2), K, Z, C, or legumain and the aspartic proteases such as cathepsins E or D.JNJ-39641160 showed similar potency against human and monkey CatS enzymes, and it exhibited less, albeit significant, activity against mouse and dog CatS enzymes (Ki=160-207 nM).JNJ-39641160 is only weakly active against rat cathepsin S (Ki=9.6 uM). JNJ-39641160 induced accumulation of the p10Ii with an average IC50 of 294 ± 28 nM, showed similar potency in purified human PBMC with IC50 of 327 nM.JNJ-39641160 dose-dependently blocked the proteolysis of the invariant chain, and inhibited both T-cell activation and antibody production to a vaccine antigen in C57BL/6 mice.JNJ-39641160 fully reversed tactile allodynia in wild-type mice but was completely ineffective in the same model in CatS knockout mice.

JMN3-003 is a host-directed inhibitor with potent antiviral activity against a panel of myxovirus family members with EC50 of 10-70 nM.JMN3-003 shows activity against MeV at 170 (viral CPE-reduction assay) and 30 nM (virus yield reduction assay) and does not display any detectable acute cytotoxicity.JMN3-003 also shows superb antiviral activity against a selection of clinical-relevant paramyxovirus (RSV, MuV, and HPIV3) and orthomyxovirus (influenza) family members.

JCP276 is a novel antibiotic and covalent inhibitor that disrupt M. tuberculosis growth by targeting multiple serine hydrolases.JCP276 is a narrow-spectrum inhibitor of Mycobacterium tuberculosis growth.JCP276 inhibits multiple nonessential serine hydrolases.JCP276 treatment caused accumulation of free lipids and a substantial decrease in lipooligosaccharides, linking SH inhibition to defects in cell envelope biogenesis.

JBJ-08-178-01 is a potent, selective and covalent HER2 inhibitor with IC50 of 2.21 nM and 7.04 nM for HER2 WT and EGFR WT, targets multiple HER2 activating mutations, including exon 20 insertions as well as amplification (IC50 values<50 nM).JBJ-08-178-01 maintained potency against non-insertion mutations, including S310F, L755S, V777L, V842I, and exon 19 indel (755_757LREdelinsRP) of HER2.JBJ-08-178-01 exhibited a much greater degree of HER2-selectivity in Ba/F3 cell lines than in biochemical assays, owing to weak growth inhibition against Ba/F3 cells with WT EGFR (IC50=368 nM).JBJ-08-178-01 showed strong antitumoral activity in HER2- mutant or amplified cancers in vitro and in vivo.Treatment with JBJ-08-178-01 also led to a reduction in total HER2 by promoting proteasomal degradation of the receptor.JBJ-08-178-01 is a selective, dual-action inhibitor and destabilizer of HER2 with potential efficacy and tolerance against NSCLC harboring HER2 genetic alterations or amplification.

IY7640 (IY-7640) is a small molecule targeting the stalk region of the influenza HA protein, blocks HA-mediated membrane fusion of H1N1, H3N2, and influenza B viruses in cells.IY7640 demonstrated potency against H1N1, H3N2, H5N1, H7N9, and H9N2 subtypes of IAV, including the 2009 pandemic H1N1 (pH1N1) virus (A/Korea/01/2009, rK09), with EC50 of 0.62-220 uM in plaque reduction assay in MDCK cells.IY7640 successfully inhibited rK09 replication in cells at a level comparable to that of oseltamivir, K09 HA fusion was inhibited only by 1 uM IY7640.The stalk region of the influenza HA protein is highly conserved across different (sub)types of influenza viruses.

IS811 is a potent, selective CCR3 antagonist with IC50 of 2.0 nM, potently inhibits chemotaxis with EC50 of 19 nM.IS811 displays >100-fold selectivity over 5-HT2a, DAT and NET.IS811 (0-20 mg/kg) dose-dependently inhibited eotaxin-induced eosinophil influx to the lung in vivo.

IRBM6 (Class I HDAC-IN-6) is a potent, class I selective HDAC inhibitor with EC50 of 50 nM (HeLa cellular), HDAC1/2/3 IC50 of 1.7/2.8/1.1 nM.IRBM6 weakly inhibits HDAC6 (IC50=177 nM) and is inactive at 5 uM against HDACs 4-7.IRBM6 showed a potent inhibitory effect on the growth TC-797s and two additional NUT carcinoma (NC) cell lines, PER-403, and 10-15.IRBM6 induces a transcriptional program of differentiation in NC cells, demonstrated large-scale changes in gene expression that were significantly enriched with differentiation gene sets and depleted of pro-growth gene sets, including those of MYC and E2F targets.IRBM6 repressed growth and induced differentiation of NUT carcinoma (NC) cells in proportion to inhibition of NUT transcriptional activity.

IRAP-IN-1 is a selective insulin-regulated aminopeptidase (IRAP) inhibitor with IC50 of 32 nM, >25-fold selectivity over ERAP1 and ERAP2.IRAP-IN-1 reduces IRAP-dependent but not ERAP1-dependent cross-presentation by dendritic cells with nanomolar efficacy.

IPP-14 is a novel PAK1 inhibitor that selectively blocks the PAK1-PUMA binding and suppresses cell proliferation via PUMA-dependent manner; suppresses cancer cell viability and migration, induces p21 expression and induces M-phase arrest by inhibition of PAK1; also induces p21/WAF1/CIP1 (Cyclin-dependent kinase inhibitor 1A) expression by releasing from Bcl-2 and by inhibition of AKT-mediated p21 suppression.

iP300w is a potent p300/CBP inhibitor, inhibits p300-mediated H3K9 acetylation with IC50 of 33 nM in HTRF assay.iP300w diminishes DUX4-induced toxicity and inhibits DUX4-mediated transcription.iP300w blocks DUX4-induced H3 acetylation and prevents the increase in expression of DUX4 target genes, erases the DUX4-mediated transcriptional fingerprint in FSHD myoblasts.iP300w impairs DUX4-mediated transcription in vivo in the iDUX4pA FSHD mouse model.

Inupadenant (EOS-850, EOS100850) is a non brain-penetrant, potent and highly selective small molecule antagonist of adenosine A2a receptor (A2AR), shows activity at the high adenosine concentrations found in tumors.

IMP-1575 (IMP1575) is a potent, selective Hedgehog acyltransferase (HHAT) inhibitor with Ki/IC50 of 38 nM/0.75 uM (Acyl-cLIP assay).IMP-1575 is the first sub-micromolar small-molecule HHAT inhibitor reported to-date.IMP‐1575 (50-0.023 μM) was therefore analyzed for effects on HHAT kinetics at varying Pal‐CoA concentrations (50–0.19 μM).IMP-1575 is a chemical tool and methodology to provide insight into HHAT which may expedite future studies and drug discovery efforts against this important target class.

IMB5476 (IMB 5476) is a nitrobenzoate microtubule inhibitor, exerts broad-spectrum cytotoxicity against various human tumor cell lines (NCI-H460, IC50=144 nM).IMB5476 inhibits purified tubulin polymerization in vitro, binds to tubulin at the colchicine pocket.IMB5476 induced cell death by mitotic catastrophe and apoptosis, disrupted microtubule networks in cells and arrested cell cycle at G2/M phase.IMB5476 is a poor substrate of P-glycoprotein and exhibited potent cytotoxicity against drug-resistant tumor cells.IMB5476 inhibited angiogenesis in vitro, also inhibited the growth of drug-resistant KBV200 xenografts in mice.

IMA-1 is a small molecule that interrupt the arachidonate 12-lipoxygenase (ALOX12)-acetyl-CoA carboxylase 1 (ACC1) interaction.IMA-1 markedly blocked diet-induced NASH progression in both male mice and Cynomolgus macaque therapeutic models.The anti-NASH efficacy of IMA-1 was comparable to ACC inhibitor in both species.IMA-1 directly binds to a pocket in ALOX12 proximal to its ACC1-interacting surface instead of inhibiting ALOX12 lipoxygenase activity.IMA-1 treatment did not elicit hyperlipidemia, a known side effect of direct inhibition of ACC enzymatic activity, in both mice and macaques.

iHPCAL1 is a ferroptosis inhibitor that effectively inhibits RSL3-induced cell death, directly interacts with HPCAL1 and significantly inhibits HPCAL1 protein expression at 1.25-5 uM in HT-1080 and Calu-1 cells.iHPCAL1 delayed thermal-induced HPCAL1 protein degradation in cellular thermal shift assays (CETSAs), failed to affect the phosphorylation of PRKCQ, but inhibited the phosphorylation of HPCAL1 as well as the autophagic degradation of CDH2 induced by RSL3.The suppression of HPCAL1 phosphorylation and function induced by iHPCAL1 occurs downstream of PRKCQ phosphorylation.Bortezomib, but not chloroquine, prevented iHPCAL1-induced HPCAL1 protein degradation, iHPCAL1 stimulates the degradation of HPCAL1 through the proteasome pathway, thereby limiting ferroptosis.iHPCAL1 inhibited the anticancer activity of Imidazole ketone erastin (IKE) in a xenograft tumor model after inoculating HT-1080 cells into athymic nude mice or in an orthotopic pancreatic tumor model in which KPC cells, with no significant effect on IKE-induced GPX4 degradation in the xenograft tumor model.iHPCAL1 (10 mg/kg) protects against ferroptosis-associated acute pancreatitis in mice.

I-287 is a potent, selective, orally active inhibitor of PAR2, negative PAR2 allosteric modulator, inhibits PAR2-mediated activation of Gq and G12/13 but not Gi/o proteins (IC50=45-390 nM); I-287 is a negative allosteric modulator (NAM) and not an orthosteric competitive antagonist of hPAR2. I-287 inhibits PAR2-mediated activation of DAG/Ca2+/PKC and RhoA/SRF-RE, as well as FAK and ERK1/2 signaling pathways, shows no effect on PAR2-mediated recruitment of βarrestin2 and receptor internalization. I-287 inhibits PAR2-induced secretion of IL-8 cytokine in vitro and reduces Freund's adjuvant (CFA)-induced paw edema model in mice.

Hv1 inhibitor HIF is a novel inhibitor of the voltage-gated proton channel Hv1 interacts with the Hv1 VSD in the up and down states.HIF rapidly inhibits proton conduction in the up state by blocking the open channel.HIF interacts with a second site that is accessible in the down state and is responsible for key features of HIF-mediated inhibition, such as the slow component of current decay and the slow recovery from inhibition.The voltage-gated proton channel Hv1 plays important roles in numerous biological processes, including pH homeostasis, the immune response, and sperm cell function.Hv1 channel belongs to the large family of proteins containing voltage-sensing domains (VSDs), which also includes Nav, Kv, and Cav channels and voltage-sensitive phosphatases.

Human C53 peptide (C53, pGC-B activator C53) is a novel potent, selective particulate guanylyl cyclase B (pGC-B) activator, activates pGC-B/cGMP signaling pathway, and enhances cGMP generating actions.C53 is highly resistant to NEP degradation and has less interaction with NPRC compared to CNP in vitro.C53 activates the protective pGC-B/cGMP signaling pathway and possesses enhanced cGMP generating actions.C53 inhibits fibroblast proliferation chronically and suppresses the differentiation of fibroblasts to myofibroblasts.

HTH-02-006 is a potent, selective reversible inhibitor of NUAK1/2 with binding IC50 of 8/126 nM, respectively.HTH-02-006 reduces MYPT1(S445) phosphorylation in HuCCT-1 cells, suggesting NUAK1/2 inhibition.HTH-02-006 ameliorates YAP(S127A)-induced hepatomegaly, and reduces MYPT1(S445) phosphorylation.HTH-02-006 delays the outgrowth of YAP-induced HuCCT-1 xenograft tumors in nude mice.HTH-02-006 downregulated E2F, EMT, and MYC hallmark gene sets after NUAK2 inhibition in PC cells.HTH-02-006 slowed tumor growth and proliferation rates in a syngeneic allograft model and in radical prostatectomy patient derived explants.HTH-02-006 treatment led to inactivation of YAP and the downregulation of NUAK2 and MYC protein levels.

Hsp90α-IN-12h is the first Hsp90α-selective inhibitor with IC50 of 460 nM, exhibit 48-fold selectivity versus other Hsp90 isoforms.In NCI-H522 cells, Hsp90a-dependent substrates are readily degraded in the presence of Hsp90a-selective inhibitor.

Hsp90 inhibitor 5b is a first-in-class, small molecule inhibitor of the C-terminal (CTD) Hsp90 dimerization with KD of 3.42 uM, IC50 of 1.3 uM against leukemia cell line K562.Hsp90 inhibitor 5b inhibits Hsp90 chaperone function, does not show any interaction with the NTD of Hsp90.Hsp90 inhibitor 5b down-regulated the phospho-BCR-ABL1 and total-BCR-ABL1 levels, as well as the related downstream signaling pathways, additionally reduced the expression of client proteins associated with Hsp90 chaperone activity, involving Akt, Stat5, and c-Myc.Hsp90 inhibitor 5b inhibited leukemic cell lines (K562, KCL22 and HL60) proliferation and induced apoptosis in a caspase 3/7 enzyme-dependent assay.Hsp90 inhibitor 5b is effective against resistant leukemia cells and in the zebrafish xenotransplantation model.

HS-243 (HS243) is a highly potent, super-selective IRAK-1/4 inhibitor with IC50 of 24/20 nM, respectively.HS-243 shows exquisite potency toward IRAK-1/4 over all other human kinases with only minimal TAK1-inhibiting activity (IC50=0.5 uM).HS-243 binds in the ATP-binding pocket of IRAK-4.HS-243 potently reduces the proinflammatory response of RA cells and macrophages, has distinct cytokine profile from TAK1.HS-243 reduces percentage of survival in pancreatic and breast cancer cell lines.

HS-131 is an imaging probe of Hsp90 activity by linking it to a near-infrared (nIR) dye, HS131 uptake into cells correlated with cell membrane expression of Hsp90 and was used to image molecular subtypes of murine and human breast cancers in vitro and in murine models.

HPK1 inhibitor 1 is a highly potent, selective inhibitor of HPK1/MAP4K1 with biochemical IC50 of 0.0465 nM; displays >100-fold selectivity against 260 kinases in a panel of 265 kinases; HPK1 inhibitor 1 decreased SLP-76 phosphorylation in a human pSLP-76 ELISA at an IC50 lower than 0.02 uM; HPK1 inhibitor 1 enhanced Th1 cytokine production in T cells and fully reverted immune suppression imposed by the prostaglandin E2 (PGE2) and adenosine pathways in human T cells; HPK1 inhibitor 1 demonstrated a synergistic effect, resulting in enhanced interferon (IFN)-γ production when combination with pembrolizumab in human PBMCs

HJ-01 is a small molecule that disrupts PTPσ-Trk interaction, enhances Trk signaling, and promotes sympathetic nerve regeneration over chondroitin sulfate proteoglycans (CSPGs).

HIV-1 Integrase inhibitor GS-B (GS-B) is a novel non-catalytic site integrase inhibitor of HIV-1 integrase (IN), inhibits the interaction between LEDGF IBD and IN with IC50 of 8.1 nM.GS-B displays antiviral potency in MT-4, MT-2, and human PBMCs with EC50 values of 18, 10, and 21 nM, respectively.

HIV-1 inhibitor 5b is a novel anti-HIV-1 compound that inhibits HIV-1 JR-CSF with EC50 of 1 nM without significant cytotoxicity (CC50>20 uM), also shows potency against NRTI- and NNRTI-resistant HIV-1 (EC50=1-3 nM); shows a chemical backbone similar to the clinically used integrase (IN) strand transfer inhibitor (INSTI) elvitegravir, but has no detectable INSTI activity; various drug-resistant HIV-1 strains did not display cross resistance to HIV-1 inhibitor 5b; remains its anti-HIV-1 activity even after the viral integration stage, significantly suppresses p24 antigen production in HIV-1 latently infected cells exposed with TNF-alpha; demonstrates favorable pharmacokinetic profiles in mice.

HIF inhibitor 208 is a small molecule inhibitor of HIF pathway with IC50 of 0.5 nM.