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SAGHh and Smo agonist

SAG

Catalog No. B5837
Size Price Stock Qty
10mM (in 1mL H2O) $270.00 In stock
2mg $85.00 In stock
5mg $175.00 In stock
25mg $525.00 In stock

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Sample solution is provided at 25 µL, 10mM.

Quality Control

Chemical structure

SAG

Protocol

Cell experiment [1]:

Cell lines

Shh-LIGHT2 cell line

Preparation method

The solubility of this compound in DMSO is >24.5mg/mL. General tips for obtaining a higher concentration: Please warm the tube at 37℃ for 10 minutes and/or shake it in the ultrasonic bath for a while. Stock solution can be stored below -20℃ for several months.

Reacting condition

0.1~100 μM

Applications

SAG induces Hh pathway activation in a mouse cultured cell with an EC50 of ~3 nM, however, the pathway activity decreases dramatically as SAG concentration surpasses 1 μM.

Animal experiment [2]:

Animal models

P4 wild-type mice

Dosage form

SAG (20 μg/g) with prednisolone (0.67 μg/g), daily, 7 days

Application

SAG at the treatment dose effectively prevented glucocorticoids-induced neonatal cerebellar developmental abnormalities in the mouse.

Other notes

Please test the solubility of all compounds indoor, and the actual solubility may slightly differ with the theoretical value. This is caused by an experimental system error and it is normal.

References:

[1] Chen JK, Taipale J, Young KE et al. Small molecule modulation of Smoothened activity. Proc Natl Acad Sci U S A. 2002 Oct 29;99(22):14071-6.

[2] Heine VM, Griveau A, Chapin C et al. A small-molecule smoothened agonist prevents glucocorticoid-induced neonatal cerebellar injury. Sci Transl Med. 2011 Oct 19;3(105):105ra104.

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Chemical Properties

Cas No. 912545-86-9 SDF Download SDF
Chemical Name 3-chloro-N-((1r,4r)-4-(methylamino)cyclohexyl)-N-(3-(pyridin-4-yl)benzyl)benzo[b]thiophene-2-carboxamide
Canonical SMILES CN[C@@]1([H])CC[C@@](N(C(C2=C(Cl)C3=CC=CC=C3S2)=O)CC4=CC(C5=CC=NC=C5)=CC=C4)([H])CC1
Formula C28H28ClN3OS M.Wt 490.06
Solubility >24.5mg/mL in DMSO Storage Store at -20°C
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.
Shipping Condition Evaluation sample solution : ship with blue ice
All other available size: ship with RT , or blue ice upon request

Background

SAG is a synthetic chlorobenzothiophene-containing Hh pathway agonist that regulates smo activity. It is a SMO agonist at EC50 of 3 nM and but inhibits hedgehog signaling at >1 μM. [1]

Smoothened (SMO) is a GPCR-like receptor that mediates hedgehog signaling with Patched to regulate gene expression through the Gli transcription factors. It is plays an important role for embryogenesis and adults tissue homeostasis

In a mouse cultured cell assay (Shh-LIGHT2), SAG induces pathway activation (EC50 ≈3 nM). It differs in that pathway activity decreases dramatically as SAG concentration surpasses 1 μM. [1] SAG binds directly to the SMO heptahelical bundle. SAG dose dependently blocks this association and produces apparent dissociation constant (KD) of 59 nM for the SAG/SMO complex. [2]

SAG also antagonizes GC’s antiproliferative effects in CGNP P4 wild-type mice primary cultures. At 15-240 nM, SAG prevents the neurotoxic effects of glucocorticoids without interfering with the beneficial effects of glucocorticoids on lung maturation. [2]

References:
1.  Chen JK, Taipale J, Young KE et al. Small molecule modulation of Smoothened activity. Proc Natl Acad Sci U S A. 2002 Oct 29;99(22):14071-6.
2.  Heine VM, Griveau A, Chapin C et al. A small-molecule smoothened agonist prevents glucocorticoid-induced neonatal cerebellar injury. Sci Transl Med. 2011 Oct 19;3(105):105ra104.