HDAC-IN-60 (compound 21a) is a potent histone deacetylase (HDAC) inhibitor. HDAC-IN-60 can promote the intracellular generation of ROS, cause DNA damage, block the cell cycle at G2/M phase, and activate the mitochondria-related apoptotic pathway to induce cell apoptosis[1].
HDAC3-IN-T247 is a potent and selective HDAC3 (histone deacetylase 3) inhibitor, with an IC50 of 0.24 µM. HDAC3-IN-T247 induces a selective increase of NF-κB acetylation in HCT116 cells. HDAC3-IN-T247 shows anticancer and antiviral activity. HDAC3-IN-T247 inhibits growth of cancer cells, and activates HIV gene expression in latent HIV-infected cells[1].
NR-160 (NR160) is a novel potent, selective inhibitor of histone deacetylase 6 (HDAC6) with IC50 of 30 nM, shows SI (75-1847 )over all HDAC class I isoforms.NR-160 induced α-tubulin acetylation (ac-α-tubulin) in treated acute myeloid leukemic (AML) cell line HL60, but not histone H3 (ac-H3) (a marker for the inhibition of class I HDACs).NR-160 enhances the cytotoxicity induction of bortezomib, epirubicin and daunorubicin on a panel of seven leukemia cell lines
(E,E)-RGFP966 is a selective and CNS permeable HDAC3 inhibitor that can be used for the research of Huntington’s disease[1].
HPB (HDAC6 inhibitor HPB) is a selective HDAC6 inhibitor with an IC50 of 31 nM. HPB exhibits >30-flod selectivity for HDAC6 over HDAC1[1].
HDAC-IN-58 is a HDAC inhibitor. HDAC-IN-58 has HDAC6-specific inhibition activity with an IC50 value of 2.06 nM. HDAC-IN-58 can be used for the research of chronic diseases, including neurodegenerative and psychiatric conditions[1].
Pyroxamide is a potent inhibitor of histone deacetylase 1 (HDAC1) with an ID50 of 100 nM. Pyroxamide can induce apoptosis and cell cycle arrest in leukemia.
Tubulin/HDAC-IN-1 is a dual tubulin and HDAC-IN-1 inhibitor through CH/π interaction with tubulin and hydrogen bond interaction with HDAC8. Tubulin/HDAC-IN-1 inhibits tubulin polymerization and selectively inhibits HDAC8 (IC50: 150 nM). Tubulin/HDAC-IN-1 has cytotoxicity against various human cancer cells, also arrests cell cycle in the G2/M phase and induces cell apoptosis. Tubulin/HDAC-IN-1 can be used in the research of hematologic and solid tumors such as neuroblastoma, leukemia[1].
Spiruchostatin A is a potent HDAC inhibitor with an IC50 value of 2 nM. Spiruchostatin A can induce apoptosis, has antitumor activity and may be used in leukemia studies[1][2].
HDAC1-IN-4 (JX34) is a potent Plasmodium falciparum HDAC1 inhibitor shows antimalarial activity (IC50 < 5 nM) and lower cytotoxicity[1].
LMK-235 is a potent and selective HDAC4/5 inhibitor, inhibits HDAC5, HDAC4, HDAC6, HDAC1, HDAC2, HDAC11 and HDAC8, with IC50s of 4.22 nM, 11.9 nM, 55.7 nM, 320 nM, 881 nM, 852 nM and 1278 nM, respectively, and is used in cancer research.
A Zn2+-dependent pan-inhibitor of class I and class II HDACs with a long half-life (12h) in vivo; significantly enhances the migration of astrocytes and accelerates wound repair more effectively than SAHA and VPA; up-regulates the expression of NGF, phospho-TrkA, p-AKT, NF-κB, and Bcl-2, while down-regulates the expression of p75 NTR, phospho-JNK, and Bax.
CG-200745 is a potent HDAC inhibitor, with IC50s of <3 μM for sensitive non-small cell lung cancer (NSCLC) cell lines. CG-200745 induces the accumulation of p53, promotes p53-dependent transactivation, and enhances the expression of proteins encoded by p53 target genes, MDM2 and p21 (Waf1/Cip1) in human prostate cancer cells[1]. CG-200745 attenuates phosphorylation of p38 MAPK in kidneys and it has a renoprotective effect by suppressing renal fibrosis and inflammation in a unilateral ureteral obstruction (UUO) mouse model[2].
HFY-4A is a HDAC inhibitor. HFY-4A inhibits breast cancer cell proliferation, migration, and invasion, and induces cell apoptosis. HFY-4A induces immunogenic cell death (ICD). HFY-4A inhibits tumor growth in breast cancer xenograft mouse models[1].
KT-531 (KT531) is a potent, selective HDAC6 inhibitor with IC50 of 8.5 nM, displays 39-fold selectivity.
HDAC-IN-45 (Compound 14) is a small molecule HDAC inhibitor and has anticancer activity, also can forms a hydrogenbond with residue Y303. HDAC-IN-45 (Compound 14) has substantial inhibitory effects towards HDAC1, 2 and 3 isoforms with IC50 values of 0.108, 0.585 and 0.563 μM respectively[1].
BChE/HDAC6-IN-1 is a potent and selective dual BChE/HDAC6 inhibitor with IC50 values of 4 and 8.9 nM, respectively. BChE/HDAC6-IN-1 ameliorates the cognitive impairment in an Aβ1–42-induced mouse model and has the potental for AD research[1].
HDAC/HSP90-IN-3 (compound J5) is a potent and selective fungal Hsp90 and HDAC dual inhibitor, with IC50 values of 0.83 and 0.91 μM, respectively. HDAC/HSP90-IN-3 shows antifungal activity against azole resistant C. albicans. HDAC/HSP90-IN-3 can suppress important virulence factors and down-regulate drug-resistant genes ERG11 and CDR1[1].
BRD-6929 (Cpd-60) is a brain-penetrant, selective inhibitor of HDAC1 and HDAC2 (IC50= 1 and 8 nM), extracted from patent US2018360927[1]. BRD-6929 (Cpd-60) shows high-affinity to HDAC1 and HDAC2 with Ki of 0.2 and 1.5 nM, respectively[2]. BRD-6929 (TPB) potentiates the efficacy of gnidimacrin (a PKC Agonist) against latent HIV-1[3].
SW-100, a selective histone deacetylase 6 (HDAC6) inhibitor with an IC50 of 2.3 nM, shows at least 1000-fold selectivity for HDAC6 relative to all other HDAC isozymes. SW-100 displays a significantly improved ability to cross the blood-brain-barrier[1].
CM-675 is a dual phosphodiesterase 5 (PDE5) and class I histone deacetylases-selective inhibitor, with IC50 values of 114 nM and 673 nM for PDE5 and HDAC1, respectively. CM-675 has potential to treat Alzheimer’s disease[1].
Butyric acid is a histone deacetylase (HDAC) inhibitor, with anti-tumor effects in several cancers.
HL23 is a histone deacetylase (HDAC) inhibitor with activity against hepatocellular carcinoma (HCC). HL23 enhances acetylation of the TXNIP promoter and upregulates TXNIP expression, thereby mediating potassium channel activity and triggering TXNIP-dependent potassium deprivation. HL23 inhibits HCC progression and metastasis and has a synergistic effect with Sorafenib (HY-10201) and is more potent than Sorafenib+Vorinostat (HY-10221)[1].
TCS HDAC6 20b is a HDAC6-selective inhibitor. TCS HDAC6 20b blocks the growth of estrogen receptor α-positive breast cancer MCF-7 cells[1].
Ac-Lys-AMC (Hexanamide), also termed MAL, is a fluorescent substrate for histone deacetylase HDACs[1].
Valproic acid is an HDAC inhibitor, with IC50 in the range of 0.5 and 2 mM, also inhibits HDAC1 (IC50, 400 μM), and induces proteasomal degradation of HDAC2; Valproic acid sodium salt is used in the treatment of epilepsy, bipolar disorder and prevention of migraine headaches.
HDAC3/6-IN-2 (compound 15) is a potent HDAC6 and HDAC3 inhibitor, with IC50 values of 0.368 and 0.635 μM, respectively. HDAC3/6-IN-2 shows antitumor activity, and induces cancer cell apoptosis. HDAC3/6-IN-2 decreases the levels of HDAC6 and HDAC3, associated with upregulation of acetylated H3 and α-tubulin[1].
MC1742 is a potent HDAC inhibitor, with IC50s of 0.1 μM, 0.11 μM, 0.02 μM, 0.007 μM, 0.61 μM, 0.04 μM and 0.1 μM for HDAC1, HDAC2, HDAC3, HDAC6, HDAC8, HDAC10 and HDAC11, respectively. MC1742 can increase acetyl-H3 and acetyl-tubulin levels and inhibits cancer stem cells growth. MC1742 can induce growth arrest, apoptosis, and differentiation in sarcoma CSC[1].
HDAC/Top-IN-1 is an orally active and pan HDAC/Top dual inhibitor with IC50s of 0.036 μM, 0.14 μM, 0.059 μM, 0.089 μM and 9.8 μM for HDAC1, HDAC2, HDAC3, HDAC6 and HDAC8. HDAC/Top-IN-1 efficiently induces apoptosis with S cell-cycle arrest in HEL cells. HDAC/Top-IN-1 has exhibits excellent in vivo antitumor efficacy[1].
HDAC8/BRPF1-IN-1 (Compound 23a) is a dual inhibitor of HDAC8 and BRPF1 with an IC50 of 443 nM against human HDAC8 and a Kd of 67 nM against human BRPF1. HDAC8/BRPF1-IN-1 shows low in vitro activity against HDAC1 and 6[1].