SANT-1

SANT-1 directly binds to Smoothened (Smo) receptor with Kd of 1.2 nM and inhibits Smo agonist effects with IC50 of 20 nM.

SANT-1 Chemical Structure

SANT-1 Chemical Structure

CAS: 304909-07-7

Selleck's SANT-1 has been cited by 14 Publications

1 Customer Review

Purity & Quality Control

Batch: S709201 DMSO] 21 mg/mL] false] Ethanol] 20 mg/mL] false] Water] Insoluble] false Purity: 99.99%
99.99

SANT-1 Related Products

Choose Selective Hedgehog/Smoothened Inhibitors

Biological Activity

Description SANT-1 directly binds to Smoothened (Smo) receptor with Kd of 1.2 nM and inhibits Smo agonist effects with IC50 of 20 nM.
Features Attenuates SAG stimulation of Shh-LIGHT2 cells to a greater extent relative to other antagonists.
Targets
Smoothened receptor [1]
1.2 nM(Kd)
In vitro
In vitro

SANT-1 inhibits wild type and oncogenic Smo with equal potency. SANT-1 counteracts SAG-induced pathway activation in Shh-LIGHT2 cells. SANT-1 is able to block BODIPY-cyclopamine binding to Smo-expressing cells, but SANT-1 is unable to inhibit completely this association to background levels. This suggests that their interactions with Smo may alter its affinity for cyclopamine rather than compete directly for cyclopamine binding. SANT-1 blocks pathway activation in SmoA1-LIGHT2 cells with potencies similar to those observed in the Shh-LIGHT2 assay. SANT-1 has disparate inhibitory activities in the Shh-LIGHT2 and BODIPY-cyclopamine assays and is unusually potent at blocking SAG-mediated pathway activation.[1]

SANT-1 efficiently inhibited cyclopamine- and jervine- induced translocation of Smo to the primary cilium. SANT-1 inhibits PKA stimulation of Smo trafficking to the proximal cilium.[2]

When combined HDAC inhibitor SAHA, SANT-1 is able to suppress cellular proliferation and colony formation of Gemcitabine-resistant pancreatic adenocarcinoma cell lines Panc-1 and BxPC-3. [3]

Kinase Assay Small Molecule Screens for Hh Pathway Modulators
Shh-N (N-terminal fragment of Shh without cholesterol modification)-conditioned medium is obtained from an HEK 293 cell line stably transfected with Shh-N expression and neomycin resistance constructs. The Shh-N-producing HEK 293 cells are grown to 80% confluency in DMEM containing 10% (vol/vol) FBS and 400 μg/ml G418. The medium then is replaced with DMEM containing 2% (vol/vol) FBS, and after 1 day of growth, the medium is collected and filtered through a 0.22-μm membrane. Control medium is obtained from HEK 293 cells. Shh-LIGHT2 cells are then cultured to confluency in 96-well plates and treated with the small molecules (0.714 μg/mL; ≈2 μM compound in each well) in the presence of either Shh-N-conditioned medium or HEK 293 control medium (1:25 dilution into DMEM containing 0.5% bovine calf serum). After incubating the treated cells for 30 h at 37°C, cellular firefly and Renilla luciferase activities are measured.
Experimental Result Images Methods Biomarkers Images PMID
Western blot Gli1 / E-cadherin / Sanil / ABCG2 26943330

Chemical Information & Solubility

Molecular Weight 373.49 Formula

C23H27N5

CAS No. 304909-07-7 SDF Download SANT-1 SDF
Smiles CC1=C(C(=NN1C2=CC=CC=C2)C)C=NN3CCN(CC3)CC4=CC=CC=C4
Storage (From the date of receipt)

In vitro
Batch:

DMSO : 21 mg/mL ( (56.22 mM); Moisture-absorbing DMSO reduces solubility. Please use fresh DMSO.)

Ethanol : 20 mg/mL

Water : Insoluble


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Tech Support

Answers to questions you may have can be found in the inhibitor handling instructions. Topics include how to prepare stock solutions, how to store inhibitors, and issues that need special attention for cell-based assays and animal experiments.

Handling Instructions

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