HDAC

Trichostatin A (TSA), a natural derivative of diene isohydroxamic acids, is a specific and reversible histone deacetylase inhibitor (IC50=1.8 nM) that induces hyperacetylation of core histones to regulate chromatin structure.

Romidepsin (FR 901228) is an HDAC inhibitor that inhibits HDAC1 2 4 6 (IC50=36 47 510 1400 nM). Romidepsin has antitumor activity and can be used for the treatment of peripheral T-cell lymphoma and cutaneous T-cell lymphoma.

Tasquinimod (ABR-215050) is an oral antiangiogenic agent with potential antitumor activity. It is also an S100A9 inhibitor and binds to the HDAC4Zn2+ binding structural domain with Kd values between 10 and 30 nM.

ACY-1083 is a selective, brain-penetrating HDAC6 inhibitor (IC50: 3 nM) that effectively reverses chemotherapy-induced peripheral neuropathy.

MPI_5a is an effective and selective inhibitor of HDAC6 (IC50=36 nM). MPI_5a weakly inhibits other HDAC isoforms and it also inhibits acyl-tubulin accumulation in cells (IC50: 210 nM).

RGFP966 is an HDAC3 inhibitor (IC50: 0.08 μM) and does not affect other HDACs at concentrations up to 15 µM.

Tucidinostat (Chidamide) is an effective and orally bioavailable HDAC enzymes class I (HDAC1/2/3) and class IIb (HDAC10) inhibitor, with IC50s of 95, 160, 67 and 78 nM, less active on HDAC8/11 (IC50: 733/432 nM), and shows no effect on HDAC4/5/6/7/9.

SW-100 is a selective histone deacetylase 6 inhibitor (IC50: 2.3 nM). It also shows at least 1000-fold selectivity for HDAC6 relative to all other HDAC isozymes. SW-100 displays an obviously improved ability to cross the blood-brain-barrier.

Sulforaphane is a natural isothiocyanate that activates Nrf2 and inhibits AMPK-dependent signaling. Sulforaphane has antitumor and anti-inflammatory activities by increasing the transcription of tumor suppressor proteins and inhibiting histone deacetylase activity.

Panobinostat (NVP-LBH589) is a broad-spectrum HDAC inhibitor (IC50=5 nM) with oral activity and non-selectivity. Panobinostat has antitumor activity and induces apoptosis and autophagy.

Belinostat (PXD101) is an inhibitor of hydroxamic acid-type histone deacetylase (HDAC, IC50 of 27 nM in HeLa cell extracts),and with antineoplastic activity.

Sodium 4-phenylbutyrate (TriButyrate), a transcriptional regulator, reversibly inhibits class I and II histone deacetylases (HDACs )resulting in a global increase in gene expression, decreased cellular proliferation, increased cell differentiation, and the induction of apoptosis in susceptible tumor cell populations.

Fimepinostat (CUDC 907) is an orally bioavailable inhibitor of both phosphoinositide 3-kinase (PI3K) class I and pan-histone deacetylase (HDAC) enzymes, with potential antineoplastic activity. Upon oral administration, CUDC-907 inhibits the activity of both PI3K class I isoforms and HDAC, thereby preventing the activation of the PI3K-AKT-mTOR signal transduction pathway that is often overactivated in many cancer cell types.

Vorinostat (SAHA) is a pan-histone deacetylase (HDAC) inhibitor (IC50=10 nM) with inhibitory activity against HDAC1 2 3 6 7 11. Vorinostat has antitumor activity, induces cell differentiation, blocks the cell cycle and induces apoptosis.

Quisinostat (JNJ-26481585) (JNJ-26481585) is a novel second-generation HDAC inhibitor with highest potency for HDAC1 with IC50 of 0.11 nM, modest potent to HDACs 2, 4, 10, and 11; greater than 30-fold selectivity against HDACs 3, 5, 8, and 9 and lowest potency to HDACs 6 and 7.

Givinostat hydrochloride (ITF2357 hydrochloride) is an inhibitor of HDAC with IC50 of 198 and 157 nM for HDAC1 and HDAC3, respectively. Givinostat hydrochloride exhibits anti-inflammatory, anti-angiogenic, and antineoplastic activities.

Givinostat hydrochloride monohydrate (ITF2357) is an HDAC inhibitor.

TMP195 (TFMO 2) is a selective class IIa histone deacetylase (HDAC) inhibitor.

Corin is an irreversible inhibitor of HDAC1(IC50 = 147 nM) and LSD1(Ki = 110 nM).

CAY10603 (BML-281) is a potent and selective HDAC6 inhibitor.

R306465 (JNJ-16241199) is an orally active and selective class I histone deacetylase (HDAC 1) inhibitor with an IC50 of 3.3 nM. R306465 has a broad spectrum of antitumor activity, can induce histone 3 acetylation, and induce apoptosis, and can be used to study solid tumors and hematological malignancies.

Tacedinaline (CI994) is a selective class I HDAC inhibitor with potential antineoplastic activity.

Exifone (NSC-680919) is a mixed, nonessential activator of HDAC1 that is capable of binding to both free and substrate-bound enzyme, resulting in an increased relative maximal rate of HDAC1-catalyzed deacetylation.

Entinostat (MS-275) is an HDAC class I selective inhibitor of HDAC1, HDAC2 and HDAC3 (IC50=243 453 248 nM) with oral activity. Entinostat has antitumor activity.

LAQ824 (Dacinostat (NVP-LAQ824)) is a novel HDAC inhibitor with IC50 of 32 nM and is an activator of the p21 promoter.

Raddeanin A is a natural triterpenoid saponin from Cyperus japonicus that inhibits histone deacetylase and is also a potent immunogenic cell death inducer with strong anti-angiogenic and anti-tumor activities.

Tubacin is a highly potent and selective, reversible, cell-permeable HDAC6 inhibitor with an IC50 of 4 nM, approximately 350-fold selectivity over HDAC1.

PCI-34051 is an effective and selective HDAC8 inhibitor (IC50: 10 nM).

BRD6688 is a selective HDAC2 inhibitor that acts by enhancing the learning and memory processes

Mocetinostat (MG0103) is an orally available HDAC inhibitor with most potency for HDAC1 (IC50: 0.15 μM), 2- to 10- fold selectivity against HDAC2 3 11.

CRA-026440 hydrochloride is a potent and broad-spectrum HDAC inhibitor. CRA-026440 hydrochloride exhibits Ki values against recombinant HDAC isoenzymes HDAC1, HDAC2, HDAC3, HDAC6, HDAC8, and HDAC10 are 4 nM, 14 nM, 11 nM, 15 nM, 7 nM, and 20 nM, respectively. CRA-026440 hydrochloride exhibits antitumor and antiangiogenic activities.

MC2590 is a potent and selective histone deacetylase (HDAC) inhibitor that inhibits HDAC1-3, -6, -8, and -10 activities, induces cell cycle arrest, and promotes apoptosis.

4-Phenylbutyric acid (Benzenebutyric acid) is a histone deacetylase (HDAC) inhibitor and an endoplasmic reticulum stress (ERS) inhibitor. 4-Phenylbutyric acid can be used to treat urea cycle disorders.

TMP269 is an effective, specific class IIa HDAC inhibitor for HDAC4 (IC50: 157 nM), HDAC5 (IC50: 97 nM), HDAC7 (IC50: 43 nM), and HDAC9 (IC50: 23 nM), respectively.

Theophylline monohydrate (Quibron) appears to inhibit phosphodiesterase and prostaglandin production, regulate calcium flux and intracellular calcium distribution, and antagonize adenosine. Theophylline monohydrate is a natural alkaloid derivative of xanthine isolated from the plants Camellia sinensis and Coffea arabica. Physiologically, this agent relaxes the bronchial smooth muscle, produces vasodilation (except in cerebral vessels), stimulates the CNS, stimulates the cardiac muscle, induces diuresis, and increases gastric acid secretion; it may also suppress inflammation and improve contractility of the diaphragm.

Nexturastat A is an effective and specific HDAC6 inhibitor (IC50: 5 nM). Its selectivity is >190-fold than other HDACs.

YPX-C-05 is an isohydroxamic acid derivative and HDAC inhibitor with vasodilatory and antihypertensive activity.YPX-C-05 is used in the study of hypertension and vascular related disorders.

Domatinostat (4SC202) is a selective class I HDAC inhibitor with IC50 of 1.20 μM, 1.12 μM, and 0.57 μM for HDAC1, HDAC2, and HDAC3, respectively. Also displays inhibitory activity against Lysine specific demethylase 1 (LSD1). Phase 1.

MPT0G211 is a highly selective and orally active HDAC6 inhibitor (IC50=0.291 nM) that has neuroprotective effects and has shown anti-metastatic activity in human breast cancer cells. MPT0G211 has 1,000 times more affinity for HDAC6 than other HDAC subtypes. MPT0G211 can cross the blood-brain barrier and could be used to improve tau phosphorylation and cognitive deficits in Alzheimer's disease models.

Tefinostat (CHR-2845) is a potent monocyte macrophage-targeted histone deacetylase (HDAC) inhibitor that is cleaved to the active acid CHR-2847 by intracellular esterase human carboxylesterase-1 (hCE-1). Tefinostat exhibits antitumor activity and can be used in the study of leukemia and advanced hematologic malignancies.

Tubastatin A (Tubastatin A BASE) is an effective and specific HDAC6 inhibitor (IC50: 15 nM, in a cell-free assay). Its selectivity is 1000-fold against all the other isozymes except HDAC8.

SantacruzaMate A (CAY-10683) is a potent and selective HDAC inhibitor.

ACY-957 (HDAC Inhibitor C001) is an orally active and selective inhibitor of HDAC1 and HDAC2 (IC50s: 7 nM, 18 nM, and 1300 nM against HDAC1 2 3) and shows no inhibition on HDAC4 5 6 7 8 9.

Valproic acid sodium salt (Sodium Valproate) is the sodium salt form of valproic acid with anti-epileptic activity. Valproic acid sodium salt is converted into its active form, valproate ion, in blood. Although the mechanism of action remains to be elucidated, Valproic acid sodium salt increases concentrations of gamma-aminobutyric acid (GABA) in the brain, probably due to inhibition of the enzymes responsible for the catabolism of GABA. This potentiates the synaptic actions of GABA. Valproic acid sodium salt may also affect potassium channels, thereby creating a direct membrane-stabilizing effect.

SIS17 is a potent and selective HDAC 11 inhibitor with an IC50 value of 0.83 μM. SIS17, is active in cells and inhibited the demyristoylation of a known HDAC11 substrate, serine hydroxymethyl transferase 2, without inhibiting other HDACs.

HDAC-IN-7 (HBI-8000) (Chidamide impurity) is an impurity of Chidamide, a potent and orally bioavailable inhibitor of HDAC enzymes class I (HDAC1 2 3) and class IIb [HDAC10].

Tubastatin A Hydrochloride (TSA HCl) is an effective and specific HDAC6 inhibitor (IC50: 15 nM). It has selectivity (>1000-fold) against all other isozymes except HDAC8 (>57-fold).

PCI-24781 (Abexinostat (PCI24781)) is a new pan-HDAC inhibitor mainly targeting HDAC1 (Ki: 7 nM), also have moderate inhibitory for HDACs 2, 3, 6, and 10 and greater than 40-fold selectivity against HDAC8. Phase 1 2.