UNC0638

G9a/GLP HMTase inhibitor, potent and selective CAS# 1255580-76-7

UNC0638

Catalog No. BCC1135----Order now to get a substantial discount!

Product Name & Size Price Stock
UNC0638:10mg $82.00 In stock
UNC0638:20mg $139.00 In stock
UNC0638:50mg $328.00 In stock
UNC0638:100mg $574.00 In stock
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Chemical structure

UNC0638

3D structure

Chemical Properties of UNC0638

Cas No. 1255580-76-7 SDF Download SDF
PubChem ID 46224516 Appearance Powder
Formula C30H47N5O2 M.Wt 509.72
Type of Compound N/A Storage Desiccate at -20°C
Solubility DMSO : ≥ 30 mg/mL (58.85 mM)
*"≥" means soluble, but saturation unknown.
Chemical Name 2-cyclohexyl-6-methoxy-N-(1-propan-2-ylpiperidin-4-yl)-7-(3-pyrrolidin-1-ylpropoxy)quinazolin-4-amine
SMILES CC(C)N1CCC(CC1)NC2=NC(=NC3=CC(=C(C=C32)OC)OCCCN4CCCC4)C5CCCCC5
Standard InChIKey QOECJCJVIMVJGX-UHFFFAOYSA-N
Standard InChI InChI=1S/C30H47N5O2/c1-22(2)35-17-12-24(13-18-35)31-30-25-20-27(36-3)28(37-19-9-16-34-14-7-8-15-34)21-26(25)32-29(33-30)23-10-5-4-6-11-23/h20-24H,4-19H2,1-3H3,(H,31,32,33)
General tips For obtaining a higher solubility , please warm the tube at 37 ℃ and shake it in the ultrasonic bath for a while.Stock solution can be stored below -20℃ for several months.
We recommend that you prepare and use the solution on the same day. However, if the test schedule requires, the stock solutions can be prepared in advance, and the stock solution must be sealed and stored below -20℃. In general, the stock solution can be kept for several months.
Before use, we recommend that you leave the vial at room temperature for at least an hour before opening it.
About Packaging 1. The packaging of the product may be reversed during transportation, cause the high purity compounds to adhere to the neck or cap of the vial.Take the vail out of its packaging and shake gently until the compounds fall to the bottom of the vial.
2. For liquid products, please centrifuge at 500xg to gather the liquid to the bottom of the vial.
3. Try to avoid loss or contamination during the experiment.
Shipping Condition Packaging according to customer requirements(5mg, 10mg, 20mg and more). Ship via FedEx, DHL, UPS, EMS or other couriers with RT, or blue ice upon request.

Biological Activity of UNC0638

DescriptionUNC0638 is a potent and selective inhibitor of G9a and GLP HMTase with IC50 values of < 15 nM and 19 nM, respectively.
TargetsG9aGLP    
IC50< 15 nM19 nM    

Protocol

Kinase Assay [1]
The enzymatic reactions are conducted in duplicate at room temperature for 1 hour in a 50 μL mixture containing PKMT assay buffer, substrate coated plate, 10 M SAM, a HMT enzyme (EZH2 (800 ng/reaction), MLL (300 ng/reaction), PRMT1 (0.5 ng/reaction), SUV39H1 (75 ng/reaction) and UNC0638 (0-1.25 μM). After enzymatic reactions, 100 μL of first antibody is added to each well and the plate is incubated at room temperature for an additional 1 h. 100 μL of secondary antibody is added to each well and the plate is incubated at room temperature for an additional 30 min. 100 μL of developer reagents are added to wells and luminescence is measured using a BioTek SynergyTM 2 microplate reader. Enzyme activity assays are performed in duplicates at each concentration. The luminescence data are analyzed using the computer software, Graphpad Prism[1].

Cell Assay [1]
MDA-MB-231, PC3, HCT116 cells are cultured in RPMI with 10% FBS, 22RV1 cells in alphaMEM and 10% FBS, MCF7 and IMR90 cells in DMEM with 10% FBS. Cells are grown in the presence or absence of UNC0638 (10 nM, 100 nM, 1 μM, 10 μM, and 100 μM ) for stated amount of time. The media is removed and replaced with DMEM 10% FBS without phenol red supplemented with 1mg/mL of MTT and incubated for 1-2 h. Live cells reduce yellow MTT to purple formazan. The resulting formazan is solubilized in acidified isopropanol and 1% Triton and absorbance measured at 570 nm, corrected for 650 nm background[1].

Animal Administration [1]
Mice[1] Standard DMPK studies in male Swiss albino mice (3 animals per data point) are conducted, following intravenous (IV, 1 mg/kg), oral (PO, 3 mg/kg), and intraperitoneal (IP, 2.5 mg/kg) administration of UNC0638.

References:
[1]. Vedadi M, et al. A chemical probe selectively inhibits G9a and GLP methyltransferase activity in cells. Nat Chem Biol. 2011 Jul 10;7(8):566-74. [2]. Fu L, et al. Effects of the Histone Methyltransferase Inhibitor UNC0638 on Histone H3K9 Dimethylation of Cultured Ovine Somatic Cells and Development of Resulting Early Cloned Embryos. Reprod Domest Anim. 2014 Apr;49(2):e21-5.

UNC0638 Dilution Calculator

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Preparing Stock Solutions of UNC0638

1 mg 5 mg 10 mg 20 mg 25 mg
1 mM 1.9619 mL 9.8093 mL 19.6186 mL 39.2372 mL 49.0465 mL
5 mM 0.3924 mL 1.9619 mL 3.9237 mL 7.8474 mL 9.8093 mL
10 mM 0.1962 mL 0.9809 mL 1.9619 mL 3.9237 mL 4.9047 mL
50 mM 0.0392 mL 0.1962 mL 0.3924 mL 0.7847 mL 0.9809 mL
100 mM 0.0196 mL 0.0981 mL 0.1962 mL 0.3924 mL 0.4905 mL
* Note: If you are in the process of experiment, it's necessary to make the dilution ratios of the samples. The dilution data above is only for reference. Normally, it's can get a better solubility within lower of Concentrations.

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Background on UNC0638

UNC0638 is a potent and selective inhibitor of G9a and GLP with IC50 values of < 15 nM and 19 ± 1 nM, respectively [1].

GLP forms a heterodimer with G9a. Both G9a and GLP can mono- and dimethylate histone H3 Lys9 (H3K9), and dimethylate Lys373 of p53 and hence inactivate the transcriptional activity of p53 [1].

UNC0638 showed balanced physicochemical properties and potency aiding cell penetration in vitro, had high potency in cellular assays. It was much less toxic than BIX01294 to cells. In MDA-MB-231 cells, in a concentration-dependent manner, exposure to UNC0638 for 48 h reduced H3K9me2 levels with an IC50 value of 81 ± 9 nM (n= 3), which showed considerably higher potency than BIX01294 (IC50= 500 ± 43 nM (n= 3)). In reducing H3K9me2 levels, UNC0638 was of greater maximum effect than BIX01294. This effect is close, but not equal, to the effect on the double knockdown of G9a and GLP via shRNA [1].

In 6-week-old male athymic nude mice subcutaneously inoculated with BON cells, UNC0638 decreased H3K9me2 level [2]. In organotypic cochlear cultures, rapid increase of H3K9me2 upon the damage of hair cells was observed. Both ex vivo and in vivo, UNC0638 effectively prevented aminoglycosides-induced hair cell damage [3].

References:
[1].  Vedadi M., Barsyte-Lovejoy D., Liu F., et al. A chemical probe selectively inhibits G9a and GLP methyltransferase activity in cells. Nature Chemical Biology, 2011, 7:566-574.
[2].  Kim J.T., Li J., Jang E.R., et al. Deregulation of Wnt/β-catenin signaling through genetic or epigenetic alterations in human neuroendocrine tumors. Clin. Carcinogenesis, 2013, 00(00):1-9.
[3].  Yu H., Lin Q., Wang Y., et al. Inhibition of H3K9 methyltransferases G9a/GLP prevents ototoxicity and ongoing hair cell death. Cell Death and Disease, 2013, 4:e506.

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References on UNC0638

Effects of the histone methyltransferase inhibitor UNC0638 on histone H3K9 dimethylation of cultured ovine somatic cells and development of resulting early cloned embryos.[Pubmed:24467723]

Reprod Domest Anim. 2014 Apr;49(2):e21-5.

Aberrant hypermethylation of histone H3 lysine 9 (H3K9) may be involved in the developmental failure of cloned embryos. UNC0638 is a type of small molecule that can specifically inhibit the enzyme activity of histone methyltransferase EHMT2 and reduce the H3K9 dimethylation (H3K9me2) levels in cells. The objective of this study was to investigate the effect of UNC0638 in regulating H3K9me2 and development of cloned embryos. Results showed that UNC0638 could efficiently reduce H3K9me2 levels of cultured sheep foetal fibroblast cells in a concentration-dependent manner. Cloned embryos were subsequently produced from UNC0638-treated donor cells with down-regulated H3K9me2, but their in vitro development was not improved when compared with the control. Our study suggested that revision of the single histone H3K9me2 modification may be not sufficient for rescuing the development of cloned embryos. However, because of its low cellular toxicity, UNC0638 may still be a potential chemical that could be used in regulating epigenetic modification of cloned embryos.

Description

UNC0638 selectively inhibits G9a and GLP histone methyltransferase activity with IC50s of less than 15 nM and 19 nM, respectively. UNC0638 has anti-FMDV (foot-and-mouth disease virus) and anti-VSV (vesicular stomatitis virus) activities.

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