HDAC1

IDO1 and HDAC1 Inhibitor is a dual IDO1 and HDAC1 inhibitor (IC50s: 69.0 nM and 66.5 nM).

BRD-6929 is a selective, brain-penetrant HDAC1 and HDAC2 inhibitor (IC50:  1 and 8 nM). BRD-6929 (Cpd-60) shows high-affinity to HDAC1 and HDAC2 (Kis: 0.2 and 1.5 nM) [2]. BRD-6929 potentiates the efficacy of gnidimacrin (a PKC Agonist) against latent HIV

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.

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.

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.

Valproic Acid (2-Propylpentanoic Acid) is an HDAC inhibitor that suppresses HDAC1 activity and induces HDAC2 degradation, exhibiting oral bioavailability. Valproic Acid activates Notch1 signalling and inhibits the proliferation of small cell lung carcinoma cells, making it applicable for research into epilepsy and bipolar disorder.

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.

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

SS-208 is a selective inhibitor of HDAC6 (IC50 = 12 nM) with anti-tumor activity. SS-208 shows selectivity over other HDAC subtypes.

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.

Parthenolide ((-)-Parthenolide) is a natural sesquiterpene lactone that is an NF-κB inhibitor and also specifically inhibits HDAC1 protein, but is inactive against other class I/II HDACs. Parthenolide has anti-inflammatory, anti-tumor, and anti-viral activities.

Suberoyl bis-hydroxamic acid (SBHA) is a Histone deacetylase (HDAC) inhibitor. HDAC is required for transcriptional modulation, cell cycle regulation and development. It is an enzyme that deacetylates lysine residues on the N-terminal of the core histones.

Imofinostat (MPT0E028) is a selective, orally available pan-HDAC inhibitor with IC₅₀ values of 53.0/106.2/29.5 nM against HDAC1/HDAC2/HDAC6 in HCT116 cells. In B-cell lymphoma, Imofinostat induces cell cycle arrest and apoptosis whilst inhibiting Akt phosphorylation, demonstrating anticancer activity across multiple tumour types.

BG45 is an HDAC I type inhibitor with IC50 of 289 nM, 2.0 μM, 2.2 μM and >20 μM for HDAC3/1/2/6 in cell-free assays, respectively.

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.

CRA-026440 is a highly potent HDAC inhibitor with inhibitory effects on HDAC1, HDAC2, HDAC3, HDAC6, HDAC8 and HDAC10 with Ki values of 4,14,11,15,7 and 20 nM, respectively. CRA-026440 has anti-tumor and anti-angiogenic activity and can be used to study colon cancer.

HDACs/mTOR Inhibitor 1 is a dual HDAC and mammalian target of Rapamycin (mTOR) inhibitor for treating hematologic malignancies, with IC50 values of 0.19 nM, 1.8 nM, 1.2 nM, and >500 nM for HDAC1, HDAC6, mTOR, and PI3Kα, respectively.

PI3K/HDAC-IN-1 is a potent dual inhibitor of PI3K and HDAC, with IC50 values of 8.1 nM and 1.4 nM, respectively.

1-Naphthohydroxamic acid (Compound 2) is a potent and selective HDAC8 inhibitor with an IC50 of 14 μM, demonstrating greater selectivity for HDAC8 than class I HDAC1 and class II HDAC6 (IC50 >100 μM). It does not increase global histone H4 acetylation or reduce total intracellular HDAC activity but can induce tubulin acetylation[1][2].

CHDI-390576 is a CNS-permeable, selective and potent dibenzoyl isohydroxamic acid class IIa histone deacetylase (HDAC) inhibitor that inhibits class IIa HDAC 4, HDAC 5, HDAC 7, HDAC 9, and can be used in cancer research.

RTS-V5 is a dual inhibitor of HDAC/proteasome (IC50s: 6.9, 18, 15, 0.27, 0.53 μM for HDAC1, HDAC2, HDAC3, HDAC6, HDAC8, respectively).

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.

Pracinostat (SB939) is a novel HDAC inhibitor with improved in vivo properties compared to other HDAC inhibitors currently in Clinicalal trials, allowing oral dosing. Data demonstrate that Pracinostat is a potent and effective anti-tumor drug with potential as an oral therapy for a variety of human hematological and solid tumors.