research use only

GDC-0152 IAP antagonist

Cat.No.S7010

GDC-0152 is a potent antagonist of XIAP-BIR3, ML-IAP-BIR3, cIAP1-BIR3 and cIAP2-BIR3 with Ki of 28 nM, 14 nM, 17 nM and 43 nM in cell-free assays, respectively; less affinity shown to cIAP1-BIR2 and cIAP2-BIR2. Phase 1.
GDC-0152 IAP antagonist Chemical Structure

Chemical Structure

Molecular Weight: 498.64

Quality Control

Cell Culture, Treatment & Working Concentration

Cell Lines Assay Type Concentration Incubation Time Formulation Activity Description PMID
HEK293T cells Function assay 1-50 μM 2 h Inhibition of Flag-tagged XIAP BIR3 domain binding to cIAP1 expressed in human HEK293T cells at 1 to 50 uM after 2 hrs by immunoprecipitation
SK-MEL28 cells Function assay 0.5 μM Inhibition of ML-IAP binding to Smax expressed in and zVAd treated human SK-MEL28 cells at 0.5 uM by immunoprecipitation
A2058 cells Function assay 15 mins Induction of proteasomal degradation of cIAP1 in human A2058 cells after 15 mins by immunoblotting
MDA-MB-231 cells Cytotoxicity assay 72 h Cytotoxicity against human MDA-MB-231 cells assessed as decrease in cell viability after 72 hrs by CellTiter-Glo luminescent assay
Click to View More Cell Line Experimental Data

Chemical Information, Storage & Stability

Molecular Weight 498.64 Formula

C25H34N6O3S

Storage (From the date of receipt)
CAS No. 873652-48-3 Download SDF Storage of Stock Solutions

Synonyms N/A Smiles CC(C(=O)NC(C1CCCCC1)C(=O)N2CCCC2C(=O)NC3=C(N=NS3)C4=CC=CC=C4)NC

Solubility

In vitro
Batch:

DMSO : 99 mg/mL (198.54 mM)
(Moisture-contaminated DMSO may reduce solubility. Use fresh, anhydrous DMSO.)

Ethanol : 99 mg/mL

Water : 3 mg/mL

Molarity Calculator

Mass Concentration Volume Molecular Weight

In vivo
Batch:

In vivo Formulation Calculator (Clear solution)

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Method for preparing DMSO master liquid: mg drug pre-dissolved in μL DMSO ( Master liquid concentration mg/mL, Please contact us first if the concentration exceeds the DMSO solubility of the batch of drug. )

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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Mechanism of Action

Targets/IC50/Ki
MLXBIR3SG [1]
(Cell-free assay)
14 nM(Ki)
cIAP1-BIR3 [1]
(Cell-free assay)
17 nM(Ki)
XIAP-BIR3 [1]
(Cell-free assay)
28 nM(Ki)
cIAP2-BIR3 [1]
(Cell-free assay)
43 nM(Ki)
XIAP-BIR2 [1]
(Cell-free assay)
112 nM(Ki)
In vitro
GDC-0152 can block protein−protein interactions that involve IAP proteins and pro-apoptotic molecules. Using transiently transfected HEK293T cells, this compound is shown to disrupt XIAP binding to partially processed caspase-9 and to disrupt the association of ML-IAP, cIAP1, and cIAP2 with Smac. In melanoma SK-MEL28 cells, the endogenous association of ML-IAP and Smac is effectively also abolished by this chemical. It leads to a decrease in cell viability in the MDA-MB-231 breast cancer cell line, while having no effect on normal human mammary epithelial cells (HMEC). This compound is found to activate caspases 3 and 7 in a dose- and time-dependent manner. It is shown to induce rapid degradation of cIAP1 in A2058 melanoma cells. It effectively induces degradation of cIAP1 at concentrations as low as 10 nM, consistent with its affinity for cIAP1.
Kinase Assay
Fluorescence polarization-based competition assay
Inhibition constants ( Ki ) for the antagonists are determined by addition of the IAP protein constructs to wells containing serial dilutions of the antagonists or the peptide AVPW, and the Hid-FAM probe or AVP-diPhe-FAM probe, as appropriate, in the polarization buffer. Samples are read after a 30-minute incubation. Fluorescence polarization values are plotted as a function of the antagonist concentration, and the IC50 values are obtained by fitting the data to a 4-parameter equation using software. Ki values for the antagonists are determined from the IC50 valued.
In vivo
GDC-0152 has moderate predicted hepatic clearance based on metabolic stability assays conducted using human liver microsomes. Plasma−protein binding of this compound is moderate and comparable among mice (88−91%), rats (89−91%), dogs (81−90%), monkeys (76−85%), and humans (75−83%) over the range of concentrations investigated (0.1−100 μM); higher plasma−protein binding is observed in rabbits (95−96%). It does not preferentially distribute to red blood cells with blood−plasma partition ratios ranging from 0.6 to 1.1 in all species tested. The pharmacokinetics for this chemical is achieved with a C max of 53.7 μM and AUC of 203.5 h•μM. [1]
References

Applications

Methods Biomarkers Images PMID
Western blot cIAP1 / cIAP2 / XIAP / ML-IAP S7010-WB1 27490930

Clinical Trial Information

(data from https://clinicaltrials.gov, updated on 2024-05-22)

NCT Number Recruitment Conditions Sponsor/Collaborators Start Date Phases
NCT00977067 Terminated
Solid Cancers
Genentech Inc.
June 2007 Phase 1

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