A selective antagonist of BET bromodomains, binding with 10-100-fold higher affinity for BD2 (IC₅₀ = 0.04-0.28 µM) over BD1 (IC₅₀ = 1.8-3.1 µM), which causes selective release of BET proteins from chromatin; increases the expression of ApoA1 and reduces…

A potent, selective, and bioavailable inhibitor of the TRPA1 channel, with IC₅₀ values of 67 and 289 nM for the human and rat isoforms, respectively; attenuates cold allodynia following nerve injury and suppresses neuronal activity in response to mechanical stimulation.

DepNA is one of several nitroaniline fatty acid amides which can be used to measure FAAH activity.{8928} FAAH is a relatively unselective enzyme in that it accepts a variety of amide head groups other than the ethanolamine of its endogenous substrate AEA. It also will hydrolyze fatty acid amides…

A potent, selective inhibitor of Stearoyl-CoA desaturase 1 that demonstrates IC50 values of 4.5 and 26 nM in mouse and human enzymatic assays, respectively.

A selective cell-permeable inhibitor of non-muscle myosin II ATPases, inhibiting Mg-ATPase activity and in vitro motility of non-muscle myosin IIA and IIB for several species (IC₅₀ = 0.5-5.0 μM), while poorly inhibiting smooth muscle myosin (IC₅₀ = 80 μM).

A selective allosteric inhibitor of Bcr-Abl (IC₅₀s = 4.52, 0.38, and 0.93 µM against Bcr-Abl mutants G250E, E255V, and M351T, respectively); displays additive inhibitory activity against T315I Bcr-Abl mutants both in in vitro assays and in a recalcitrant T315I Bcr-Abl mutant mouse…

A potent α1A-adrenoceptor antagonist (Ki = 0.036 nM).

A selective, nonpeptide antagonist of the vasopressin V1a receptor (Ki = 1.1-6.3 nM in human); inhibits arginine vasopressin-induced human platelet aggregation with an IC₅₀ value of 3.7 nM.

A natural and potent inhibitor of NEP and NEP2, with Ki values of 2 nM for both enzymes; also a weak inhibitor of the related zinc metalloprotease ECE (Ki = 3.5 µM); has little or no effect on a variety of other proteases.

An indole-based SERM that binds to both ERα (IC₅₀ = 26 nM) and ERβ (IC₅₀ = 99 nM); antagonizes 17β-estradiol-dependent and hormone-independent growth of breast cancer cell proliferation (80% reduction with 10 nM) in a manner related to cell cycle arrest and…

A selective inhibitor of the β5i (LMP7) subunit of the immunoproteasome (IC₅₀s = 65 and 73 nM for mouse and human, respectively) that demonstrates significantly weaker activity at the β5 subunit of the constitutive proteasome (IC₅₀s = 0.92 and 1.04 µM for mouse…

An ATP/GTP-competitive inhibitor of CK2 (IC₅₀ = 900 µM for rat liver CK2); less potently inhibits CCK2/cyclin A, GSK3β, and phosphorylase kinase (IC₅₀ = 15.6, 11.2, and 8.7 mM, respectively); much less effective against a range of other kinases.

A cell permeable drug that inhibits cholesterol trafficking from late endosomes/lysosomes to the ER, but not to the plasma membrane.

A symmetric bis-glycolamide that inhibits the eIF2α phosphorylation-mediated unfolded protein response (IC₅₀ = 5 nM in a cell-reporter assay); passes through the blood-brain barrier and significantly enhances learning and memory in mice and rats.

A nonaminoglycoside that has been reported to selectively induce ribosomes to read through premature nonsense stop signals on mRNA, thus allowing the production of full-length, functional proteins (IC₅₀ = 7 nM); 60 mg/kg s.c. injection or 0.3-0.9 mg/ml orally has been shown to restore…

A divalent cation ionophore, commonly used to facilitate the movement of Ca2+ into cells, triggering the activation of intracellular calcium-dependent pathways; also used to produce apoptosis through calcium overload, as occurs during hypoxic or oxidative stress.

An intermediate in the generation of adenine and methionine that is produced by the decarboxylation of SAM; a potent agonist of adenosine receptors (Kis = 0.15, 1.13, 13.9, and 0.68 μM for A1, A2A, A2B, and A3, respectively); inhibits several enzymes at higher concentrations.

A potent inhibitor of several CDKs with selectivity for Cdk2 (IC₅₀s = 22, 40, and 200 nM for Cdk2/cyclin A, Cdk1/cyclin B, and Cdk4/cyclin D1); has anti-proliferative and pro-apoptotic activity in tumor cells.

An intravenous β-lactam antibiotic that is effective against Gram-positive and Gram-negative bacteria (MICs range from 0.008-0.13 µg/ml); highly resistant to degradation by β-lactamases.

A selective non-peptide agonist of the δ-opioid receptor (Ki = 0.18 nM, IC₅₀ = 2.73 nM) that is over 2,000-fold less effective at the μ-opioid receptor; effectively activates µ/δ receptor heteromers (EC₅₀ = 52.8 nM) but not κ/δ or μ/κ heteromers.

A selective inhibitor of PDGF receptor kinase with an IC50 value of20 µM in human bone marrow; inhibits the EGF receptor with an IC50 value of 820 µM.

A selective agonist of S1P3 (EC₅₀ = 72-132 nM); less effectively activates S1P1 (EC₅₀ = 28-38 µM) and is ineffective at S1P2, S1P4, and S1P5 as well as a panel of other receptors, ion channels and transporters.

A benzothiadiazide that acts as a potentiator of AMPA receptors, positively modulating its response to glutamic acid (EC₅₀ = 3.8 µM); also a negative modulator of GABAA receptors, reversibly inhibiting both evoked and spontaneous inhibitory postsynaptic currents (IC₅₀ =…

A fluorescent probe commonly used to identify dead cells; excitation at 488-535 nm and emission maximum of 617 nm.

An inhibitor of PD-1/PD-L1 interaction.

A non-nucleoside reverse transcriptase inhibitor that binds to viral reverse transcriptase and blocks polymerase activity by preventing RNA plus-strand initiation (IC₅₀s = ~ 0.45 to 0.9 μM).

A tumor vascular disrupting agent, inducing apoptosis in tumor vascular endothelium resulting in necrosis at the tumor core; potently activates the STING/TBK1/IRF3 signaling pathway in mouse leukocytes, inducing type-I-IFN production; inhibits VEGFR1 and VEGFR2 (IC₅₀ = 119 and 11…

A synthetic analog of Joro spider toxin that blocks GluR2-lacking, Ca2+-permeable AMPA receptors (IC₅₀ = 0.33 µM) at -60 mV but not at +40 mV; protects against ischemia-induced neuronal cell death by preventing influx of toxic levels of Ca2+ into injured neurons.

A LPA analog containing stearyl alcohol at the sn-1 position; exhibits platelet aggregating activity with an EC50 value of 9 nM versus an EC50 value of 177 nM for 1-octadecanoyl LPA.

A small molecule inhibitor of JAK2 (IC₅₀ = 6 nM) and the related kinases FLT3 (IC₅₀ = 25 nM) and RET (IC₅₀ = 17 nM) with significantly less potent activity against JAK3 (IC₅₀ = 169 nM); inhibits the growth of Ba/F3 cells expressing JAK2V617F or MPLW515L…

A nitrogen mustard β-chloro-nitrosourea compound used as an alkylating agent to form interstrand crosslinks in DNA, which leads to cancer cell cytotoxity and apoptosis; also reported to inhibit glutathione reductase, thioredoxin reductase, and lipoamide dehydrogenase.

A potent inhibitor of serotonin and norepinephrine reuptake (Kis = 4.6 and 15.6 nM, respectively, for rat synaptosomes); less effectively inhibits dopamine reuptake (Ki = 369 nM); effective in cells, tissues, and in vivo.