HDAC6 Inhibitor

F2F-202 is a selective HDAC6 inhibitor with an IC₅₀ of 7.1 nM, exhibiting high selectivity toward HDAC1. F2F-202 does not directly bind to or inhibit the Hda1 protease activity of Candida albicans itself, but reduces the mRNA transcription level of the Hda1 gene. When combined with Voriconazole (HY-76200), F2F-202 decreases the yeast-hypha transition rate of azole-resistant Candida albicans and impairs the antioxidant response of azole-resistant Candida albicans. F2F-202 can be used in studies related to azole-resistant Candida albicans infections.

HDAC6-IN-58 (compound 24c) is a selective HDAC6 inhibitor with IC₅₀ values of 9.5 nM and 7374.5 nM for HDAC6 and HDAC1, respectively. HDAC6-IN-58 increases tubulin acetylation, exerts antiproliferative effects, and induces autophagy.

SHN7 is a selective HDAC1/HDAC6 inhibitor, NQO1 substrate and ROS inducer, with an IC₅₀ of 30 nM against HDAC1 and an IC₅₀ of 10 nM against HDAC6. SHN7 inhibits STAT3 with a K_d of 8.9 μM. SHN7 arrests the cell cycle at the G2/M phase and induces Apoptosis. SHN7 exhibits anti-tumor effects in triple-negative breast cancer (TNBC) xenograft models. SHN7 can be used for the research of triple-negative breast cancer.

HDAC ligand-5 is a template for the non-selective HDAC inhibitor Vorinostat (HY-10221). HDAC ligand-5 can serve as a ligand for target protein (Ligands for Target Protein for PROTAC) for the development of PROTAC HDAC degraders with antitumor activity. HDAC ligand-5 can be used for the synthesis of FF2049 (HY-168863).

HDAC6 ligand-4 is a targeted ligand for histone deacetylase 6 (HDAC6). HDAC6 ligand-4 can serve as a target protein ligand for TO-1187 (HY-173266) and is used in studies related to PROTAC synthesis.

HDAC6-IN-44 (compound H10) is a selective HDAC6 inhibitor with an IC₅₀ value of 8.97 nM. HDAC6-IN-44 can inhibit the idiopathic pulmonary fibrosis (IPF) phenotype and exhibits antifibrotic activity. Additionally, HDAC6-IN-44 reduces fibrogenesis in a bleomycin-induced pulmonary fibrosis mouse model and demonstrates good metabolic stability. HDAC6-IN-44 holds promise for research in the field of idiopathic pulmonary fibrosis.

HDAC6-IN-34 (compound 21) is an oral active and selective HDAC6 inhibitor with the IC₅₀ of 18 nM. HDAC6-IN-34 increases the acetylation level of tubulin without affecting histone acetylation in cutaneous T-cell lymphoma cells and inhibits TNF-α secretion in LPS (HY-D1056)-stimulated macrophage cells. HDAC6-IN-34 shows excellent anti-arthritic efficacy in rat.

mTOR/HDAC6-IN-1 is a potent mTOR and HDAC6 dual inhibitor (IC₅₀s of 133.7 nM and 56 nM for mTOR and HDAC6, respectively). mTOR/HDAC6-IN-1 can induce significant autophagy, apoptosis and suppress migration. mTOR/HDAC6-IN-1 has potential to research Triple-negative breast cancer (TNBC).

HDAC6-IN-86 is a histone deacetylase 6 (HDAC6) inhibitor with an IC₅₀ of 74 nM, and it exhibits high selectivity for HDAC1. HDAC6-IN-86 induces cell apoptosis, triggers G₂/M phase cell cycle arrest, and inhibits the proliferation of glioma cells. HDAC6-IN-86 can be used for the research of glioblastoma multiforme (GBM).

HDAC-IN-76 (compound 6i) is a histone deacetylase (HDAC) inhibitor. HDAC-IN-76 IC₅₀ values of 30 nM and 98 nM for Pf3D7 (chloroquine (HY-17589A) drug-susceptible strain) and PfDd2 (chloroquine (HY-17589A) drug-resistant strain), has a highly potent antimalarial activity against asexual blood-stage Plasmodium, respectively, and exhibits selective inhibition against parasites, with IC₅₀ values of 7 nM and 9 nM for human HDAC1 and HDAC6, respectively, while inhibiting PfHDAC1.

NN-429 is a selective HDAC6 inhibitor. NN-429 induces apoptosis, increases the acetylation level of α-tubulin, and exhibits cytotoxicity against cancer cells. NN-429 is applicable to research related to acute myeloid leukemia, multiple myeloma and lymphoma.

JAK/HDAC-IN-2 is a potent 2-amino-4-phenylaminopyrimidine JAK/HDAC dual-target inhibitor. JAK/HDAC-IN-2 potently inhibits HDAC3/6 and JAK1/2 at nanomolar levels. JAK/HDAC-IN-2 has proapoptotic activity and inhibits histone deacetylation and STAT3 phosphorylation. JAK/HDAC-IN-2 presents remarkable antiproliferative activity in both hematological malignancies and solid cancers.

HDAC-IN-67 (compound 27f) is an HDAC inhibitor against HDAC1 and HDAC6, with IC₅₀ values of 22 nM and 8 nM, respectively. HDAC-IN-67 inhibits cell proliferation and induces cell apoptosis. HDAC-IN-67 exhibits antitumor activity.

PIM-1/HDAC-IN-1 (compound 4d) is a PIM-1 inhibitor, with an IC₅₀ of 343.87 nM. PIM-1/HDAC-IN-1 has strong inhibitory activity and selectivity against HDAC 1 and HDAC 6, with IC₅₀ values of 63.65 and 62.39 nM, respectively. PIM-1/HDAC-IN-1 exhibits apoptosis inducing potential in MCF-7 cell lines. PIM-1/HDAC-IN-1 shows pre-G1 apoptosis and cell cycle arrest at G2/M phase.

HDAC-IN-50 is a potent and orally active FGFR and HDAC dual inhibitor with IC₅₀ values of 0.18, 1.2, 0.46, 1.4, 1.3, 1.6, 2.6, 13 nM for FGFR1, FGFR2, FGFR3, FGFR4, HDAC1, HDAC2, HDAC6, HDAC8, respectively. HDAC-IN-50 induces Apoptosis and cell cycle arrest at G0/G1 phase. HDAC-IN-50 decreases the expression of pFGFR1, pERK, pSTAT3. HDAC-IN-50 shows anti-tumor activity.

HDAC6-IN-71 (Compound 24) is a HDAC6 inhibitor with IC₅₀ values for HDAC6 and HDAC1 of 13.68 and 443.12 nM respectively. HDAC6-IN-71 effectively inhibits the production of NO by mouse macrophages, with its IC₅₀ being 2.31 μM. HDAC6-IN-71 inhibits the HDAC6-NF-κB signaling pathway, reduces the levels of phosphorylated IκB-α and IKK-α/β, and suppresses the expression of downstream inflammatory proteins COX-2 and iNOS. HDAC6-IN-71 significantly alleviates ulcerative colitis in mice.

HDAC-IN-75 (5d) is a HDAC inhibitor, with IC₅₀ values of 6.32 nM and 1352 nM for HDAC6 and HDAC1, respectively. HDAC-IN-75 (5d) promotes vision rescue in the atp6v0e1^–/– zebrafish model of photoreceptor dysfunction.

HDAC6-IN-14 is a highly selective HDAC6 (HDAC) inhibitor with an IC₅₀ of 42 nM. HDAC6-IN-14 displays >100-fold selectivity over HDAC1/HDAC2/HDAC3/HDAC4.

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.

ZG-126 is an agonist for vitamin D receptor (VDR) and an inhibitor for histone deacetylase (HDAC) (IC₅₀=0.63-67.6 μM). ZG-126 exhibits cytotoxicity in cancer cells MDA-MB-231 and 4T1. ZG-126 exhibits antitumor and anti-metastatic efficacy against melanoma and triple-negative breast cancer (TNBC) in mouse models. ZG-126 also exhibits anti-inflammatory activity, through the reduction of macrophage infiltration and immunosuppressive M2-polarization.