SM-164

Catalog No.S7089

For research use only.

SM-164 is a potent, non-peptide, cell-permeable antagonist of XIAP that targets both the BIR2 and BIR3 domains with IC50 of 1.39 nM. SM-164 induces apoptosis and tumor regression.

SM-164 Chemical Structure

CAS No. 957135-43-2

Selleck's SM-164 has been cited by 4 Publications

Purity & Quality Control

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Biological Activity

Description SM-164 is a potent, non-peptide, cell-permeable antagonist of XIAP that targets both the BIR2 and BIR3 domains with IC50 of 1.39 nM. SM-164 induces apoptosis and tumor regression.
Features The potency of bivalent SM-164 in binding, functional, and cellular assays is 2−3 orders of magnitude higher than its corresponding monovalent Smac mimetics.
Targets
XIAP [1]
(Cell-free assay)
1.39 nM
In vitro

SM-164 binds to XIAP containing both BIR domains with IC50 of 1.39 nM, being 300 and 7000 times more potent than its monovalent counterparts and the natural Smac AVPI peptide, respectively. SM-164 targets cellular XIAP and effectively induces apoptosis at concentrations as low as 1 nM in the HL-60 leukemia cell line. [1] SM-164 induces caspase-8– and caspase-3–dependent apoptosis in cancer cells. SM-164 induces TNFα-dependent apoptosis and cIAP-1 degradation. [2] SM-164 is highly synergistic with TRAIL in vitro in both TRAIL-sensitive and TRAIL-resistant cancer cell lines of breast, prostate, and colon cancer. SM-164 enhances TRAIL-induced apoptosis in cancer cells through amplification of the caspase-8–mediated extrinsic apoptosis pathway [3]

In vivo SM-164 induces rapid cIAP-1 degradation and strong apoptosis in the MDA-MB-231 xenograft tumor tissues and achieves tumor regression, but has no toxicity in normal mouse tissues. [2] SM-164 induces cIAP1 degradation in tumor tissues and dramatically enhances the in vivoantitumor activity of TRAIL, and the combination of SM-164 and TRAIL achieves tumor regression without toxicity to animals. [3]

Protocol (from reference)

Solubility (25°C)

In vitro

Chemical Information

Molecular Weight 1121.42
Formula

C62H84N14O6

CAS No. 957135-43-2
Storage 3 years -20°C powder
2 years -80°C in solvent
Smiles CC(C(=O)NC1CCCCC2CCC(N2C1=O)C(=O)NC(C3=CC=CC=C3)C4=CN(N=N4)CCCCC5=CC=C(C=C5)CCCCN6C=C(N=N6)C(C7=CC=CC=C7)NC(=O)C8CCC9N8C(=O)C(CCCC9)NC(=O)C(C)NC)NC

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Method for preparing in vivo formulation: Take μL DMSO master liquid, next addμL PEG300, mix and clarify, next addμL Tween 80, mix and clarify, next add μL ddH2O, mix and clarify.

Method for preparing in vivo formulation: Take μL DMSO master liquid, next add μL Corn oil, mix and clarify.

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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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