2. Epigenetics
  3. Epigenetic Reader Domain Histone Acetyltransferase
  4. GNE-781

GNE-781 is an orally active, highly potent and selective CBP inhibitor with an IC50 of 0.94 nM in TR-FRET assay. GNE-781 also inhibits BRET and BRD4(1) with IC50s of 6.2 nM and 5100 nM, respectively. GNE-781 displays antitumor activity in an MOLM-16 AML xenograft model.

For research use only. We do not sell to patients.

GNE-781 Chemical Structure

GNE-781 Chemical Structure

CAS No. : 1936422-33-1

Size Price Stock Quantity
Solid + Solvent (Highly Recommended)
10 mM * 1 mL in DMSO
ready for reconstitution
 USD 439 In-stock
Solution
10 mM * 1 mL in DMSO USD 439 In-stock
Solid
1 mg USD 170 In-stock
5 mg USD 380 In-stock
10 mg USD 620 In-stock
25 mg USD 1230 In-stock
50 mg USD 1850 In-stock
100 mg USD 2780 In-stock
200 mg   Get quote  
500 mg   Get quote  

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Customer Review

Based on 3 publication(s) in Google Scholar

GNE-781 Related Antibodies

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  • Biological Activity

  • Protocol

  • Purity & Documentation

  • References

  • Customer Review

Description

GNE-781 is an orally active, highly potent and selective CBP inhibitor with an IC50 of 0.94 nM in TR-FRET assay. GNE-781 also inhibits BRET and BRD4(1) with IC50s of 6.2 nM and 5100 nM, respectively. GNE-781 displays antitumor activity in an MOLM-16 AML xenograft model[1].

IC50 & Target

IC50: 0.94 nM (CBP), 6.2 nM (BRET), 5100 nM (BRD4(1))[1]
Cellular Effect
Cell Line Type Value Description References
HEK293 IC50
6.2 nM
Compound: 19
Inhibition of Halo-tagged histone H3.3 binding to NanoLuc luciferase conjugated human CBP expressed in HEK293 cells after overnight incubation by BRET assay
Inhibition of Halo-tagged histone H3.3 binding to NanoLuc luciferase conjugated human CBP expressed in HEK293 cells after overnight incubation by BRET assay
[PMID: 28892380]
In Vitro

GNE-781 is a highly advanced potent and selective bromodomain inhibitor of cyclic adenosine monophosphate response element binding protein, binding protein (CBP). GNE-781 reduces FOXP3 (forkhead box P3) transcript levels. Examination of a subset of bromodomains reveals that GNE-781 is exquisitely selective for CBP/P300 and is remarkably selective for CBP (5425-fold) and P300 (4250-fold). GNE-781 demonstrates an appropriate balance of cell potency, selectivity (5425-fold over BRD4(1)) [1].

MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.

GNE-781 Related Antibodies
In Vivo

GNE-781 (3-30 mg/kg; p.o.; twice daily for 21 days) has tumor growth inhibition (%TGI) is 73%, 71%, and 89% at 3, 10, and 30 mg/kg, respectively in SCID beige mice with MOLM-16 AML xenografts[1].
GNE-781 decreases Foxp3 transcript levels in a dose dependent manner. GNE-781 (3-30 mg/kg) suppresses MYC at doses as low as 3 mg/kg at 2 and 8 h, with maximal suppression at 10 and 30 mg/kg at 2 h (87% and 88% inhibition, respectively)[1].

MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
Molecular Weight

525.59

Formula

C27H33F2N7O2
CAS No.
Appearance

Solid

Color

Light yellow to yellow

SMILES

O=C(N1CCC(N(C2CCOCC2)N=C3N4CCCC5=C4C=C(C(F)F)C(C6=CN(C)N=C6)=C5)=C3C1)NC
Shipping

Room temperature in continental US; may vary elsewhere.
Storage

-20°C, stored under nitrogen

*In solvent : -80°C, 2 years; -20°C, 1 year (stored under nitrogen)

Solvent & Solubility
In Vitro: 

DMSO : 100 mg/mL (190.26 mM; Need ultrasonic; Hygroscopic DMSO has a significant impact on the solubility of product, please use newly opened DMSO)

Preparing
Stock Solutions
Concentration Solvent Mass 1 mg 5 mg 10 mg
1 mM 1.9026 mL 9.5131 mL 19.0262 mL
5 mM 0.3805 mL 1.9026 mL 3.8052 mL
View the Complete Stock Solution Preparation Table

* Please refer to the solubility information to select the appropriate solvent. Once prepared, please aliquot and store the solution to prevent product inactivation from repeated freeze-thaw cycles.
Storage method and period of stock solution: -80°C, 2 years; -20°C, 1 year (stored under nitrogen). When stored at -80°C, please use it within 2 years. When stored at -20°C, please use it within 1 year.

  • Molarity Calculator

  • Dilution Calculator

Mass (g) = Concentration (mol/L) × Volume (L) × Molecular Weight (g/mol)

Mass
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Concentration
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Volume
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Molecular Weight *

Concentration (start) × Volume (start) = Concentration (final) × Volume (final)

This equation is commonly abbreviated as: C1V1 = C2V2

Concentration (start)

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C2

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In Vivo:

Select the appropriate dissolution method based on your experimental animal and administration route.

For the following dissolution methods, please ensure to first prepare a clear stock solution using an In Vitro approach and then sequentially add co-solvents:
To ensure reliable experimental results, the clarified stock solution can be appropriately stored based on storage conditions. As for the working solution for in vivo experiments, it is recommended to prepare freshly and use it on the same day.
The percentages shown for the solvents indicate their volumetric ratio in the final prepared solution. If precipitation or phase separation occurs during preparation, heat and/or sonication can be used to aid dissolution.

  • Protocol 1

    Add each solvent one by one:  5% DMSO    40% PEG300    5% Tween-80    50% Saline

    Solubility: ≥ 2.87 mg/mL (5.46 mM); Clear solution

  • Protocol 2

    Add each solvent one by one:  5% DMSO    95% (20% SBE-β-CD in Saline)

    Solubility: 2.87 mg/mL (5.46 mM); Suspended solution; Need ultrasonic

In Vivo Dissolution Calculator
Please enter the basic information of animal experiments:

Dosage

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Animal weight
(per animal)

g

Dosing volume
(per animal)

μL

Number of animals

Recommended: Prepare an additional quantity of animals to account for potential losses during experiments.
Please enter your animal formula composition:
%
DMSO +
% 
+
%
Tween-80 +
%
Saline
Recommended: Keep the proportion of DMSO in working solution below 2% if your animal is weak.
The co-solvents required include: DMSO, . All of co-solvents are available by MedChemExpress (MCE). , Tween 80. All of co-solvents are available by MedChemExpress (MCE).
Calculation results:
Working solution concentration: mg/mL
Method for preparing stock solution: mg drug dissolved in μL  DMSO (Stock solution concentration: mg/mL).

*In solvent : -80°C, 2 years; -20°C, 1 year (stored under nitrogen)

The concentration of the stock solution you require exceeds the measured solubility. The following solution is for reference only. If necessary, please contact MedChemExpress (MCE).
Method for preparing in vivo working solution for animal experiments: Take μL DMSO stock solution, add μL . μL , mix evenly, next add μL Tween 80, mix evenly, then add μL Saline.
 If the continuous dosing period exceeds half a month, please choose this protocol carefully.
Please ensure that the stock solution in the first step is dissolved to a clear state, and add co-solvents in sequence. You can use ultrasonic heating (ultrasonic cleaner, recommended frequency 20-40 kHz), vortexing, etc. to assist dissolution.
Purity & Documentation

Purity: 98.16%

SDS (252 KB)

COA (255 KB) HNMR (210 KB) LCMS (109 KB)

Handling Instructions (2659 KB)
References
Animal Administration
[1]

Mice[1]
Twelve female CD-1 mice are used. All animals are 6-9 weeks old at the time of study and weighed between 20 and 35 g. Animals (n=3 per dosing route) are dosed with 10 or GNE-781 at 1 mg/kg iv (in propyl ethylene glycol 400 (35% v/v) and water (65% v/v)) or 5 mg/kg po (suspended in 0.5% w/v methylcellulose, 0.2% w/v Tween 80). Food and water are available ad libitum to all animals. Serial blood samples (15 μL) are collected by tail nick at 0.033, 0.083, 0.25, 0.5, 1, 3, 8, and 24 h after the intravenous administration and 0.083, 0.25, 0.5, 1, 3, 8, and 24 h after the oral administration. All blood samples are diluted with 60 μL of water containing 1.7 mg/mL EDTA and kept at -80 °C until analysis[1].
Rats[1]
Twelve male Sprague-Dawley rats are used. All animals are 6-9 weeks old at the time of study and weighed between 200 and 300 g. Animals (n=3 per dosing route) are dosed with 10 or GNE-781 at 1 mg/kg iv (in propyl ethylene glycol 400 (35% v/v) and water (65% v/v)) or 5 mg/kg po (suspended in 0.5% w/v methylcellulose, 0.2% w/v Tween 80). Food and water are available ad libitum to animals in the iv groups. Animals in po groups are fasted overnight and food withheld until 4 h postdose. Approximately 250 μL of blood are collected via the catheter at 0.033, 0.083, 0.25, 0.5, 1, 2, 4, 8, and 24 h after the intravenous or oral administration. All blood samples are collected into tubes containing 5 μL of 0.5 M K2EDTA and processed for plasma. Samples are centrifuged (2500g for 15 min at 4°C) within 1 h of collection, and plasma samples are kept at -80 °C until analysis[1].

MCE has not independently confirmed the accuracy of these methods. They are for reference only.
References

Complete Stock Solution Preparation Table

* Please refer to the solubility information to select the appropriate solvent. Once prepared, please aliquot and store the solution to prevent product inactivation from repeated freeze-thaw cycles.
Storage method and period of stock solution: -80°C, 2 years; -20°C, 1 year (stored under nitrogen). When stored at -80°C, please use it within 2 years. When stored at -20°C, please use it within 1 year.

Optional Solvent Concentration Solvent Mass 1 mg 5 mg 10 mg 25 mg
DMSO 1 mM 1.9026 mL 9.5131 mL 19.0262 mL 47.5656 mL
5 mM 0.3805 mL 1.9026 mL 3.8052 mL 9.5131 mL
10 mM 0.1903 mL 0.9513 mL 1.9026 mL 4.7566 mL
15 mM 0.1268 mL 0.6342 mL 1.2684 mL 3.1710 mL
20 mM 0.0951 mL 0.4757 mL 0.9513 mL 2.3783 mL
25 mM 0.0761 mL 0.3805 mL 0.7610 mL 1.9026 mL
30 mM 0.0634 mL 0.3171 mL 0.6342 mL 1.5855 mL
40 mM 0.0476 mL 0.2378 mL 0.4757 mL 1.1891 mL
50 mM 0.0381 mL 0.1903 mL 0.3805 mL 0.9513 mL
60 mM 0.0317 mL 0.1586 mL 0.3171 mL 0.7928 mL
80 mM 0.0238 mL 0.1189 mL 0.2378 mL 0.5946 mL
100 mM 0.0190 mL 0.0951 mL 0.1903 mL 0.4757 mL
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GNE-781 Related Classifications

Help & FAQs
  • Do most proteins show cross-species activity?

    Species cross-reactivity must be investigated individually for each product. Many human cytokines will produce a nice response in mouse cell lines, and many mouse proteins will show activity on human cells. Other proteins may have a lower specific activity when used in the opposite species.

Keywords:

GNE-7811936422-33-1GNE781GNE 781Epigenetic Reader DomainHistone AcetyltransferaseHATsHATInhibitorinhibitorinhibit

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