HDAC Inhibitor

PI3K/HDAC-IN-4 (Compound 31f) is a PI3K/HDAC dual inhibitor (IC₅₀: 0.2μM). PI3K/HDAC-IN-4 shows high selectivity for HDAC1-3 (IC₅₀ values of 75.5 nM, 70.9 nM, and 1.9 nM, respectively). PI3K/HDAC-IN-4 is a potent PIK3 inhibitor with IC₅₀ values of 2.5 nM, 80.5 nM, 10.0 nM, and 57.2 nM for PI3Kα, β, δ, and γ, respectively. PI3K/HDAC-IN-4 significantly induces tumor cell apoptosis by simultaneously inhibiting the PI3K/AKT/mTOR signaling pathway and HDAC1-3. PI3K/HDAC-IN-4 exhibits potent antiproliferative activity in a variety of tumor cell lines (e.g., MV4-11, Jeko-1, HL60, and MCF-7, with IC₅₀ values of 0.2, 0.9, 0.8, and 1.5 μM, respectively). PI3K/HDAC-IN-4 can be used in the study of lymphoma and leukemia.

HDAC-IN-84 (compound 4d) is a potent HDAC inhibitor, with IC₅₀ values of 0.0045, 0.015, 0.013, 0.038, 5.8 and 26 μM for HDAC1, HDAC2, HDAC3, HDAC6, HDAC8 and HDAC11, respectively. HDAC-IN-84 effectively inhibits the proliferation of leukemia cells without causing toxicity.

Hdac9 Mouse Pre-designed siRNA Set A contains three designed siRNAs for Hdac9 gene (Mouse), as well as a negative control, a positive control, and a FAM-labeled negative control.

SJY26 is a PI3K/HDAC dual-target inhibitor with IC₅₀s of 0.59 nM (PI3Kα and PI3Kδ), 2.02 nM (PI3Kγ), 12.69 nM (PI3Kβ) and 114 nM (HDAC1). SJY26 exhibits potent broad-spectrum anti-proliferative activity, and is particularly sensitive to Jurkat and PC9R cells. SJY26 inhibited the migration of PC9R cells, arrested the cell cycle and induced cell apoptosis. SJY26 reduces AKT phosphorylation, and decreases histone H3 deacetylation (Ac-H3). SJY26 can be used for the studies of non-small cell lung cancer and leukemia.

HDAC1/3-IN-1 is a selective HDAC1/3 inhibitor, with IC₅₀ values of 256 nM and 340.3 nM against HDAC1 and HDAC3, respectively. HDAC1/3-IN-1 increases the SubG1 cell population and promotes apoptosis of glioma cells and glioblastoma stem cells. HDAC1/3-IN-1 can be used in studies related to glioblastoma.

Quisinostat (JNJ-26481585) hydrochloride is a potent and orally active pan-HDAC inhibitor (HDACi), with IC₅₀ values ranging from 0.11 nM to 0.64 nM for HDAC1, HDAC2, HDAC4, HDAC10 and HDAC11. Quisinostat hydrochloride has a broad spectrum antitumoral activity. Quisinostat hydrochloride can induce autophagy in neuroblastoma cells.

HDAC6-IN-16 (compound 5c) is a histone deacetylase 6 (HDAC6) inhibitor, based on Quinazolin-4(3H)-One. HDAC6-IN-16 exhibits anticancer effect, inhibits colony-forming. And HDAC6-IN-16 arrests cell cycle at G2 phase and induces apoptosis.

Rodin-A is an orally active, brain-penetrant and selective histone deacetylase (HDAC)-co-repressor of repressor element-1 silencing transcription factor (CoREST) complex inhibitor with an IC₅₀ value of 1.80 μM for the CoREST complex, 0.15 μM for HDAC1, and 0.43 μM for HDAC2. Rodin-A increases the acetylation level of histone H3K9, upregulates the expression of neuron-related genes, thereby promoting the increase in dendritic spine density, the colocalization of synaptic proteins (SV2A and PSD95), and the improvement of hippocampal long-term potentiation (LTP), exerting synaptic protection and repair activity. Rodin-A is promising for research of neurodegenerative diseases related to synaptic dysfunction, especially Alzheimer’s disease.

HDAC-IN-47 is an orally active inhibitor of histone deacetylase (HDAC), with IC₅₀s of 19.75 nM (HDAC1), 5.63 nM (HDAC2), 40.27 nM (HDAC3), 57.8 nM (HDAC2), 302.73 nM (HDAC8), respectively. HDAC-IN-47 inhibits autophagy and induces apoptosis via the Bax/Bcl-2 and caspase-3 pathways. HDAC-IN-47 arrests cell cycle at G2/M phase, and shows anti-tumor efficacy in vivo.

HDAC6-IN-67 is a selective HDAC6 inhibitor (IC50 = 17.15 nM) that exhibits 19-fold selectivity over HDAC1. HDAC6-IN-67 selectively inhibits HDAC6 by interacting with Ser531 and His614. HDAC6-IN-67 induces apoptosis by inducing the cleavage of caspases 9, 8, 3, and PARP, upregulating Bax expression, and downregulating Bcl-2 expression. HDAC6-IN-67 effectively induces the acetylation of α-tubulin, without affecting histone H3 acetylation in MCF-7/ADR cells. HDAC6-IN-67 can be used for the study of breast cancer.

YPX-C-05 is an orally active HDAC inhibitor and vasodilator. YPX-C-05 inhibits HDAC enzymatic activity, increases histone H₄ acetylation, activates the PI3K/Akt pathway, promotes Akt and eNOS phosphorylation, enhances eNOS activity, and boosts nitric oxide production. YPX-C-05 increases Tetrahydrobiopterin (HY-107383) levels, restores serum nitric oxide levels, reduces endothelin-1 levels, and improves endothelial function. YPX-C-05 reduces vascular remodeling and exerts antihypertensive effects in hypertensive Mus musculus mice. YPX-C-05 can be used for the research of hypertension.

Antitumor agent-123 (Copmound 4d) effectively inhibits multiple kinase targets with anti-cancer effects, including JAK2, JAK3, HDAC1 and HDAC6, with IC₅₀ values of 34.6 and 2.6 μM for JAK2 and JAK3, respectively. Antitumor agent-123 exhibits moderate activity in solid tumor models.

MRLB-223 is a preferential HDAC1 and HDAC2 inhibitor with activity against tumor cells.MRLB-223 induces histone hyperacetylation, intrinsic apoptotic pathway activation, tumor cell apoptosis, Hsp90 hyperacetylation, and caspase-dependent Bcr-Abl degradation.MRLB-223 mediates p53-independent tumor cell death, with activity suppressed by Bcl-2 overexpression, and kills Bcr-Abl-expressing myeloid cells.MRLB-223 exerts effects in mice bearing Eμ-myc lymphomas.MRLB-223 can be used for the research of Eμ-myc lymphoma.

Santacruzamate A (Standard) is the analytical standard of Santacruzamate A. This product is intended for research and analytical applications. Santacruzamate A (CAY-10683, STA) is a potent and selective HDAC2 inhibitor with an IC50 of 119 pM. STA also exerts neuroprotective property against amyloid-β protein fragment 25–35. STA can be used for cancer and neurological disease research[1][2].

HDAC/PSMD14-IN-1 (Compound 8B) is a thiolutin derivative. HDAC/PSMD14-IN-1 is a orally active dual-target inhibitor of PSMD14/HDAC1 (IC₅₀ 238.7 nM/141.2 nM, respectively). HDAC/PSMD14-IN-1 has good cytotoxicity against ESCC cell lines (IC₅₀: 30-250 nM) and effectively reverses epithelial-mesenchymal transition (EMT). HDAC/PSMD14-IN-1 can induce apoptosis. HDAC/PSMD14-IN-1 has anti-tumor activity in a KYSE30 cell mouse xenograft model. HDAC/PSMD14-IN-1 can be used in anti-esophageal cancer research.

YDH-704 is a PAK1/HDAC10 inhibitor, with IC₅₀ values of 0.05 μM and 0.02 μM against human targets, respectively. YDH-704 blocks PAK1-mediated oncogenic signaling pathways, inhibits the proliferation and migration of tumor cells, suppresses the epigenetic regulatory function of HDAC10, downregulates PD-L1 expression, and regulates polyamine metabolism. YDH-704 reduces MDSC/Treg infiltration, enhances the infiltration and activation of CD8⁺ T cells, and inhibits tumor growth and lung metastasis. YDH-704 can be used for research on triple-negative breast cancer.

HDAC6 ligand 10 is a ligand that selectively targets HDAC6, and it can be used to synthesize PROTAC HDAC6 degrader 11 (HY-152134), a PROTAC-based HDAC6 degrader. HDAC6 ligand 10 applies to leukemia research.

HDAC8-IN-15 is a selective HDAC8 inhibitor with an IC₅₀ of 0.40 μM. HDAC8-IN-15 increases the acetylation level of the HDAC8 substrate SMC3 without altering the total protein level of SMC3. HDAC8-IN-15 reduces cancer cell viability, inhibits colony formation, slows cell migration, induces apoptosis, and causes cell cycle arrest at the SubG1 phase. HDAC8-IN-15 can be used in studies related to neuroblastoma.

HDAC6-IN-72 is a HDAC6 zinc finger ubiquitin-binding domain (ZnF-UBD) inhibitor that inhibits the interaction between HDAC6 ZnF-UBD and ubiquitin with an IC₅₀ of 2.7 μM. HDAC6-IN-72 can be used for the research of breast cancer, colorectal cancer, multiple myeloma.

1-Alaninechlamydocin, a cyclic tetrapeptide, is a potent HDAC inhibitor (IC₅₀=6.4 nM). 1-Alaninechlamydocin induces G2/M cell cycle arrest and apoptosis in MIA PaCa-2 cells.