HDAC Inhibitor

Suberoyl bis-hydroxamic acid (Suberohydroxamic acid; SBHA) is a competitive and cell-permeable HDAC1 and HDAC3 inhibitor with ID₅₀ values of 0.25 μM and 0.30 μM, respectively.Suberoyl bis-hydroxamic acid renders MM cells susceptible to apoptosis and facilitates the mitochondrial apoptotic pathways.Suberoyl bis-hydroxamic acid can be used for the study of medullary thyroid carcinoma (MTC).

Splitomicin (Splitomycin) is a selective Sir2p inhibitor. Splitomicin inhibits NAD⁺-dependent HDAC activity of Sir2 protein. Splitomicin induces dose-dependent inhibition of HDAC in the yeast extract with an IC₅₀ of 60 μM.

Imofinostat (ABT-301; MPT0E028) is an orally active and selective HDAC inhibitor with IC₅₀s of 53.0 nM, 106.2 nM, 29.5 nM for HDAC1, HDAC2 and HDAC6, respectively. Imofinostat has a weak inhibitory effect on HDAC8 (IC₅₀ of 2.5 ​​μM), but no inhibitory effect on HDAC4 (IC₅₀>10 μM). Imofinostat reduces the viability of B-cell lymphomas by inducing apoptosis and possesses potent direct Akt targeting ability and reduces Akt phosphorylation in B-cell lymphoma. Imofinostat has a broad-spectrum antitumor activity, including colorectal cancer, B-cell lymphoma, non-small cell lung carcinoma (NSCLC), and pancreatic cancer, while also showing therapeutic potential in non-tumor diseases like emphysema and pulmonary fibrosis.

HPB (HDAC6 inhibitor HPB) is a selective HDAC6 inhibitor with an IC₅₀ of 31 nM. HPB exhibits >30-flod selectivity for HDAC6 over HDAC1.

(E,E)-RGFP966 is a selective and CNS permeable HDAC3 inhibitor that can be used for the research of Huntington’s disease.

DNMT/HDAC-IN-1 (Compund 15a) is a dual DNMT and HDAC inhibitor with IC₅₀ values for HDAC1 and HDAC6 are 56.84 nM and 17.39 nM respectively. DNMT/HDAC-IN-1 can induce apoptosis and be used in tumor research.

Valproic acid-d₁₅ is the deuterium labeled Valproic acid. Valproic acid (VPA; 2-Propylpentanoic 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 activates Notch1 signaling and inhibits proliferation in small cell lung cancer (SCLC) cells. Valproic acid sodium salt is used in the treatment of epilepsy, bipolar disorder and prevention of migraine headaches.

Psammaplin A is a marine metabolite. Psammaplin A is a selective HDAC1 (IC₅₀: 45 nM), DNA methyltransferases (IC₅₀: 18.6 nM) and aminopeptidase N (APN) (IC₅₀: 18 μM) inhibitor. Psammaplin A also inhibits DNA topoisomerase and farnesyl protein transferase. Psammaplin A is a PPARγ activator and induces apoptosis. Psammaplin A has antitumor and anti-inflammatory activities. Psammaplin A has antibacterial activity against Gram-positive bacteria and inhibits DNA synthesis and DNA gyrase activity. Psammaplin A inhibits angiogenesis.

Crebinostat is a potent histone deacetylase (HDAC) inhibitor with IC₅₀ values of 0.7 nM, 1.0 nM, 2.0 nM and 9.3 nM for HDAC1, HDAC2, HDAC3 and HDAC6, respectively. Crebinostat potently induces acetylation of both histone H3 and histone H4 as well as enhances the expression of the cAMP response element-binding protein (CREB) target gene Egr1. Crebinostat increases the density of synapsin-1 punctae along dendrites in cultured neurons. Crebinostat can modulate chromatin-mediated neuroplasticity and exhibits enhanced memory in mice.

WT-161 is a potent and selective HDAC6 inhibitor with an IC₅₀ of 0.40 nM. WT-161 also inhibits metallo-β-lactamase domain-containing protein 2 (MBLAC2).

Remetinostat (SHP-141) is a hydroxamic acid-based histone deacetylase (HDAC) inhibitor. Remetinostat alleviates Imiquimod (HY-B0180)-induced psoriatic dermatitis. Remetinostat can be used for study of cutaneous T-cell lymphoma.

CG347B is a selective HDAC6 inhibitor, also involves in synthesis of other metalloenzyme inhibitors. HDAC6 inhibitors can be used for oncology, immunology, and neurology research.

Pomiferin (NSC 5113) acts as an potential inhibitor of HDAC, with an IC₅₀ of 1.05 μM, and also potently inhibits mTOR (IC₅₀, 6.2 µM).

NT160 is a highly potent class-IIa HDAC inhibitor with an IC₅₀ value of 0.046 μM. NT160 can be used for the research of central nervous system diseases.

Bakkenolide A is an anticancer agent. Bakkenolide A reduces the viability of leukemia cells, inhibits cell colony formation and invasion, and downregulates the expression of HDAC3 in cells. Bakkenolide A downregulates the expression of pro-inflammatory cytokines including TNF-α, interleukins such as IL-1β, TGF-β1 and IFN-γ, as well as the expression of PI3K, PDK and PKC in leukemia cells. Bakkenolide A downregulates activated Akt, GSK and Bad, while upregulates Cyto-c, cleaved Caspase3 and cleaved Caspase7, induces apoptosis (apoptosis) in leukemia cells and thereby inhibits inflammatory responses in leukemia cells. Bakkenolide A significantly slows the growth of subcutaneous leukemia tumors in nude mice. Bakkenolide A is applicable to leukemia-related research.

HDAC10-IN-2 hydrochloride (compound 10c) is a potent and highly selective HDAC10 inhibitor, with an IC₅₀ of 20 nM. HDAC10-IN-2 hydrochloride modulates autophagy in aggressive FLT3-ITD positive acute myeloid leukemia cells.

TD034 is a selective, reversible and noncovalent HDAC11 inhibitor with an IC₅₀ of 5.1 nM and a K_i of 1.5 nM. TD034 does not inhibit other HDACs or sirtuins. TD034 inhibits the defatty acylation of SHMT2 (HDAC11 substrate). TD034 decreases the YAP1 level via HDAC11 inhibition. TD034 can be used for the study of lung cancer.

BRD2492 (compound 6d) is a potent, selective HDAC1 and HDAC2 inhibitor with IC₅₀s of 13.2 nM and 77.2 nM, respecrtively. BRD2492 exhibits >100-fold selectivity for HDAC1/2 over selectivity over HDAC3 and HDAC6. BRD2492 inhibits breast cancer cell lines growth with IC₅₀s of 1.01 μM and 11.13 μM for T-47D and MCF-7 cells, respectively.

HDAC1 Human Pre-designed siRNA Set A contains three designed siRNAs for HDAC1 gene (Human), as well as a negative control, a positive control, and a FAM-labeled negative control.

MIR002 is a potent and orally active DNA polymerase α (POLA1) and HDAC 11 dual inhibitor. MIR002 induces acetylation of p53, activation of p21, G1/S cell cycle arrest, and apoptosis. MIR002 shows significant antitumor activity in vivo.