AS1517499


Catalog No. Size PriceQuantity
M11834-2 2mg solid $105
M11834-10 10mg solid $315

Description

AS1517499 is a potent and brain-permeable STAT6 phosphorylation inhibitor with an IC50 of 21 nM.

Product information

CAS Number: 919486-40-1

Molecular Weight: 397.86

Formula: C20H20ClN5O2

Chemical Name: 4-(benzylamino)-2-{[2-(3-chloro-4-hydroxyphenyl)ethyl]amino}pyrimidine-5-carboxamide

Smiles: NC(=O)C1=CN=C(NCCC2=CC(Cl)=C(O)C=C2)N=C1NCC1C=CC=CC=1

InChiKey: OZRMEKAUZBKTTC-UHFFFAOYSA-N

InChi: InChI=1S/C20H20ClN5O2/c21-16-10-13(6-7-17(16)27)8-9-23-20-25-12-15(18(22)28)19(26-20)24-11-14-4-2-1-3-5-14/h1-7,10,12,27H,8-9,11H2,(H2,22,28)(H2,23,24,25,26)

Technical Data

Appearance: Solid Power

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

Solubility: DMSO : ≥ 35 mg/mL (87.97 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: ≥360 days 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:

AS1517499 shows potent STAT6 inhibition with an IC50 value of 21 nM, and also inhibits IL-4-induced Th2 differentiation of mouse spleen T cells with an IC50 value of 2.3 nM and without influencing T-helper cell 1 (Th1) differentiation induced by IL-12. AS1517499 selectively inhibits Th2 differentiation without affecting Th1 differentiation. In cultured human BSM cells, IL-13 (100 ng/mL) causes a phosphorylation of STAT6 and an up-regulation of RhoA, a monomeric GTPase responsible for Ca2+ sensitization of smooth muscle contraction: both events are inhibited by co-incubation with AS1517499 (100 nM).

In Vivo:

In BALB/c mice that are actively sensitized and repeatedly challenged with ovalbumin antigen, an increased IL-13 level in bronchoalveolar lavage fluids and a phosphorylation of STAT6 in bronchial tissues are observed after the last antigen challenge. These mice have an augmented BSM contractility to acetylcholine together with an up-regulation of RhoA in bronchial tissues. Intraperitoneal injections of AS1517499 (10 mg/kg) 1 hour before each ovalbumin exposure inhibits both the antigen-induced up-regulation of RhoA and BSM hyperresponsiveness, almost completely.

References:

  1. Nagashima S, et al. Synthesis and evaluation of 2-{[2-(4-hydroxyphenyl)-ethyl]amino}pyrimidine-5-carboxamide derivatives as novel STAT6 inhibitors. Bioorg Med Chem. 2007 Jan 15;15(2):1044-55.
  2. Chiba Y, et al. A novel STAT6 inhibitor AS1517499 ameliorates antigen-induced bronchial hypercontractility in mice. Am J Respir Cell Mol Biol. 2009 Nov;41(5):516-24.

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

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