EX-527 --- SIRT1 Inhibitor


Catalog No. size PriceQuantity
M60108-2D 10 mM DMSO (0.804 mL) $79
M60108-2S 2mg solid $79
M60108-10S 10 mg solid $312

Description

EX-527 is a highly potent and selective inhibitor of SIRT1 with an IC50 ~98 nM. It does not inhibit histone deacetylase (HDAC) or other sirtuin deacetylase family members (IC50 ~20-100 µM). EX-527 has been used to investigate the relationship between SIRT1-mediated deacetylation of p53, p53 activity, and cell survival following DNA damage, as well as many other biological processes involving SIRT1.

Product information

CAS Number: 49843-98-3

Molecular Weight: 248.71

Formula: C13H13ClN2O

Chemical Name: 6-Chloro-2,3,4,9-tetrahydro-1H-carb­azole-1-carboxamide

Smiles: NC(=O)C1CCCC2C3=CC(Cl)=CC=C3NC=21

InChiKey: FUZYTVDVLBBXDL-UHFFFAOYSA-N

InChi: InChI=1S/C13H13ClN2O/c14-7-4-5-11-10(6-7)8-2-1-3-9(13(15)17)12(8)16-11/h4-6,9,16H,1-3H2,(H2,15,17)

Technical Data

Appearance: Solid Power.

Purity: ≥98% (or refer to the Certificate of Analysis)

Solubility: DMSO up to 50 mM

Shipping Condition: Shipped under ambient temperature as non-hazardous chemical or refer to Certificate of Analysis

Storage Condition: Dry, dark and -20 oC for 1 year or refer to the Certificate of Analysis.

Shelf Life: ≥12 months if stored properly.

Stock Solution Storage: 0 - 4 oC for 1 month or refer to the Certificate of Analysis.

Drug Formulation: To be determined.

HS Tariff Code: 382200

How to use

In Vitro:

EX-527 was used at 1-10 µM in vitro and in cellular assays.

In Vivo:

EX-527 was administered by intracerebroventricular injection to rats at 5-10 µg to increase hypothalamic acetyl-p53 levels by inhibiting hypothalamic SIRT1 activity (formulation: dissolved in DMSO in a total volume of 5 μL).

References:

  1. Napper AD, et al. Discovery of indoles as potent and selective inhibitors of the deacetylase SIRT1. (2005) J Med Chem. 48(25):8045-54.
  2. Solomon JM, et al. Inhibition of SIRT1 catalytic activity increases p53 acetylation but does not alter cell survival following DNA damage. (2006) Mol Cell Biol. 26(1):28-38.
  3. Peck B, et al. SIRT inhibitors induce cell death and p53 acetylation through targeting both SIRT1 and SIRT2. (2010) Mol Cancer Ther. 9(4):844-55.
  4. Velásquez DA, et al. The central Sirtuin 1/p53 pathway is essential for the orexigenic action of ghrelin. (2011) Diabetes. 60(4):1177-85.
  5. Peled T, et al. Nicotinamide, a SIRT1 inhibitor, inhibits differentiation and facilitates expansion of hematopoietic progenitor cells with enhanced bone marrow homing and engraftment. (2012) Exp Hematol. 40(4):342-55.
  6. Zhao X, et al. The 2.5 Å crystal structure of the SIRT1 catalytic domain bound to nicotinamide adenine dinucleotide (NAD+) and an indole (EX527 analogue) reveals a novel mechanism of histone deacetylase inhibition. (2013) J Med Chem. 56(3):963-9.

Products are for research use only. Not for human use.


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