Catalog No. size PriceQuantity
M60427-2S 2mg solid $139
M60427-10S 10mg solid $563


Product Information
Molecular Weight: 379.45
Formula: C22H25N3O3
Purity: >98%
CAS#: 404951-53-7
Solubility: DMSO: ≥ 43 mg/mL
Chemical Name: (2E)-N-hydroxy-3-[4-[[(2-hydroxyethyl)[2-(1H-indol-3-yl)ethyl]amino]methyl]phenyl]-2-propenamide
Storage: Powder -20oC 3 years 4oC 2 years In solvent -80oC 6 months -20oC 1 month


Biological Activity:

Dacinostat is a potent HDAC inhibitor, with an IC50 of 32 nM; also inhibits HDAC1 with an IC50 of 9 nM, and used in cancer research.

How to use:

In Vitro:  Dacinostat (NVP-LAQ824) activates p21 promoter, with AC50 of 0.30 μM. NVP-LAQ824 inhibits tumor cell (H1299, HCT116) growth, with IC50s of 150 and 10 nM, respectively. NVP-LAQ824 also shows inhibitory activities against two prostate cancer cell lines (DU145 and PC3) and a breast cancer line (MDA435), with IC50s of 18, 23, 39 nM, respectively. Continuous exposure of NVP-LAQ824 for 72 h produces LD90s of 0.09 M in HCT116 cells and 0.47 M in A549 cells. NVP-LAQ824 treatment of NDHF cells causes the expected G1-S growth arrest in addition to a significant reduction of cells in S-phase and accumulation of cells at the G2-M checkpoint. NVP-LAQ824 induces apoptotic death in human tumor cells. NPV-LAQ824 increases acetylation of histones H3 and H4[1]. Dacinostat inhibits HDAC1 with an IC50 of 9 nM[2]. Dacinostat (10 and 20 nM) suppresses proliferation of AML fusion protein-expressing 32D cells. Dacinostat impairs short-term engraftment potential of leukemic stem cells. Dacinostat exhausts in vitro self-renewal potential of murine AML1/ETO- and PLZF/RARα-positive HSC[3].

In Vivo:  NVP-LAQ824 produces a dose-dependent inhibition of tumor growth, and at 100 mg/kg, its antitumor effect is similar to that of 5-Fluorouracil[1].


1: Wang H, Cheng F, Woan K, Sahakian E, Merino O, Rock-Klotz J, Vicente-Suarez I, Pinilla-Ibarz J, Wright KL, Seto E, Bhalla K, Villagra A, Sotomayor EM. Histone deacetylase inhibitor LAQ824 augments inflammatory responses in macrophages through transcriptional regulation of IL-10. J Immunol. 2011 Apr 1;186(7):3986-96. doi: 10.4049/jimmunol.1001101. Epub 2011 Mar 2. PubMed PMID: 21368229.

2: Schwarz K, Romanski A, Puccetti E, Wietbrauk S, Vogel A, Keller M, Scott JW, Serve H, Bug G. The deacetylase inhibitor LAQ824 induces notch signalling in haematopoietic progenitor cells. Leuk Res. 2011 Jan;35(1):119-25. doi: 10.1016/j.leukres.2010.06.024. Epub 2010 Jul 31. PubMed PMID: 20674020.

3: Cho YS, Whitehead L, Li J, Chen CH, Jiang L, Vögtle M, Francotte E, Richert P, Wagner T, Traebert M, Lu Q, Cao X, Dumotier B, Fejzo J, Rajan S, Wang P, Yan-Neale Y, Shao W, Atadja P, Shultz M. Conformational refinement of hydroxamate-based histone deacetylase inhibitors and exploration of 3-piperidin-3-ylindole analogues of dacinostat (LAQ824). J Med Chem. 2010 Apr 8;53(7):2952-63. doi: 10.1021/jm100007m. PubMed PMID: 20205394.

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