PX-12 | Thioredoxin inhibitor | CAS 141400-58-0

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Quality Control

Batch: Purity: 99.99%

99.99

Related Targets	Dehydrogenase HSP Transferase P450 (e.g. CYP17) PDE phosphatase PPAR Vitamin Carbohydrate Metabolism Mitochondrial Metabolism
Featured Inhibitors	Y-27632 Dihydrochloride SB431542 CHIR-99021 (Laduviglusib) RMC-7977 RMC-6236 (Daraxonrasib) MRTX1133 MG132 Z-VAD-FMK VT3989 IAG933

Cell Culture, Treatment & Working Concentration

Cell Lines	Assay Type	Concentration	Incubation Time	Activity Description	PMID
T84	Function assay		3 hrs	Inhibition of human recombinant thioredoxin-mediated TG2 activation expressed in T84 cells assessed as blockade of 5-biotinamidopentylamine incorporation after 3 hrs by fluorescence microscopic analysis, IC50=2.11μM	23327656
MEF	Cytotoxicity assay			Cytotoxicity against mouse MEF cells, LD50=2.7μM	22128876
Ramos	Cytotoxicity assay		72 hrs	Cytotoxicity against human Ramos cells after 72 hrs by MTT assay, LD50=3.4μM	22128876
PancO2	Cytotoxicity assay		72 hrs	Cytotoxicity against mouse PancO2 cells after 72 hrs by crystal violet staining, LD50=3.9μM	22128876
T24	Cytotoxicity assay		72 hrs	Cytotoxicity against human T24 cells after 72 hrs by crystal violet staining, LD50=4.6μM	22128876
B78	Cytotoxicity assay		72 hrs	Cytotoxicity against mouse B78 cells after 72 hrs by crystal violet staining, LD50=5μM	22128876
CT26	Cytotoxicity assay		72 hrs	Cytotoxicity against wild type mouse CT26 cells after 72 hrs by crystal violet staining, LD50=5.2μM	22128876
K562	Cytotoxicity assay		72 hrs	Cytotoxicity against human K562 cells after 72 hrs by MTT assay, LD50=5.5μM	22128876
M21	Antiproliferative assay			Antiproliferative activity against human M21 cells, GI50=8.3μM	18502639
MCF7	Antiproliferative assay			Antiproliferative activity against human MCF7 cells, GI50=8.3μM	18502639
MCF7	Antiproliferative assay		48 hrs	Antiproliferative activity against human MCF7 cells after 48 hrs by sulforhodamine B method, GI50=8.3μM	18617414
M21	Antiproliferative assay		48 hrs	Antiproliferative activity against human M21 cells after 48 hrs by sulforhodamine B method, GI50=8.3μM	18617414
Raji	Cytotoxicity assay		72 hrs	Cytotoxicity against human Raji cells after 72 hrs by MTT assay, LD50=8.8μM	22128876
EMT6	Cytotoxicity assay		72 hrs	Cytotoxicity against mouse EMT6 cells after 72 hrs by crystal violet staining, LD50=11.6μM	22128876
HT29	Antiproliferative assay			Antiproliferative activity against human HT29 cells, GI50=25μM	18502639
HT29	Antiproliferative assay		48 hrs	Antiproliferative activity against human HT29 cells after 48 hrs by sulforhodamine B method, GI50=25μM	18617414
M21	Function assay	25 nM	16 hrs	Stimulation of nuclear translocation of thioredoxin-1 from cytosol in human M21 cells at 25 nM after 16 hrs by immunocytofluorescence	18617414
Raji	Function assay	5 to 10 uM	4 to 24 hrs	Induction of Trx mRNA expression in human Raji cells at 5 to 10 uM after 4 to 24 hrs by RT-PCR analysis	22128876
Raji	Function assay	10 to 20 uM	4 to 8 hrs	Induction of Trx protein expression in human Raji cells at 10 to 20 uM after 4 to 8 hrs by Western blot analysis	22128876
DAOY	qHTS assay			qHTS of pediatric cancer cell lines to identify multiple opportunities for drug repurposing: Primary screen for DAOY cells	29435139
SJ-GBM2	qHTS assay			qHTS of pediatric cancer cell lines to identify multiple opportunities for drug repurposing: Primary screen for SJ-GBM2 cells	29435139
A673	qHTS assay			qHTS of pediatric cancer cell lines to identify multiple opportunities for drug repurposing: Primary screen for A673 cells	29435139
SK-N-MC	qHTS assay			qHTS of pediatric cancer cell lines to identify multiple opportunities for drug repurposing: Primary screen for SK-N-MC cells	29435139
NB-EBc1	qHTS assay			qHTS of pediatric cancer cell lines to identify multiple opportunities for drug repurposing: Primary screen for NB-EBc1 cells	29435139
Saos-2	qHTS assay			qHTS of pediatric cancer cell lines to identify multiple opportunities for drug repurposing: Primary screen for Saos-2 cells	29435139
LAN-5	qHTS assay			qHTS of pediatric cancer cell lines to identify multiple opportunities for drug repurposing: Primary screen for LAN-5 cells	29435139
OHS-50	qHTS assay			qHTS of pediatric cancer cell lines to identify multiple opportunities for drug repurposing: Primary screen for OHS-50 cells	29435139
RD	qHTS assay			qHTS of pediatric cancer cell lines to identify multiple opportunities for drug repurposing: Primary screen for RD cells	29435139
MG 63 (6-TG R)	qHTS assay			qHTS of pediatric cancer cell lines to identify multiple opportunities for drug repurposing: Primary screen for MG 63 (6-TG R) cells	29435139
NB1643	qHTS assay			qHTS of pediatric cancer cell lines to identify multiple opportunities for drug repurposing: Confirmatory screen for NB1643 cells	29435139
SK-N-MC	qHTS assay			qHTS of pediatric cancer cell lines to identify multiple opportunities for drug repurposing: Confirmatory screen for SK-N-MC cells	29435139
BT-12	qHTS assay			qHTS of pediatric cancer cell lines to identify multiple opportunities for drug repurposing: Confirmatory screen for BT-12 cells	29435139
LAN-5	qHTS assay			qHTS of pediatric cancer cell lines to identify multiple opportunities for drug repurposing: Confirmatory screen for LAN-5 cells	29435139
TC32	qHTS assay			qHTS of pediatric cancer cell lines to identify multiple opportunities for drug repurposing: Confirmatory screen for TC32 cells	29435139
MG 63 (6-TG R)	qHTS assay			qHTS of pediatric cancer cell lines to identify multiple opportunities for drug repurposing: Confirmatory screen for MG 63 (6-TG R) cells	29435139
Rh41	qHTS assay			qHTS of pediatric cancer cell lines to identify multiple opportunities for drug repurposing: Confirmatory screen for Rh41 cells	29435139
SK-N-SH	qHTS assay			qHTS of pediatric cancer cell lines to identify multiple opportunities for drug repurposing: Confirmatory screen for SK-N-SH cells	29435139
Click to View More Cell Line Experimental Data

Solubility

In vitro
Batch:

DMSO : 38 mg/mL (201.79 mM)
(Moisture-contaminated DMSO may reduce solubility. Use fresh, anhydrous DMSO.)

Ethanol : 38 mg/mL

Water : Insoluble

Molarity Calculator

Mass	Concentration	Volume	Molecular Weight
Mass value Mass unit	Concentration value Concentration unit	Volume value Volume unit	Molecular weight (g/mol)

Dilution Calculator Molecular Weight Calculator

In vivo batch selection In vivo Batch:
Homogeneous suspension	CMC-NA	≥5mg/ml	Taking the 1 mL working solution as an example, add 5 mg of this product to 1 ml of CMC-Na solution, mix evenly to obtain a homogeneous suspension with a final concentration of 5 mg/ml.
Clear solution	5%DMSO 1 Corn oil Validated by Selleck labs. Should you need adjustments to this formulation, contact our sales team for custom testing.	2.400mg/ml (12.74mM)	Taking the 1 mL working solution as an example, add 50 μL of 48 mg/ml clear DMSO stock solution to 950 μL of corn oil and mix evenly. The mixed solution should be used immediately for optimal results.
Homogeneous suspension	CMC-NA	≥5mg/ml	Taking the 1 mL working solution as an example, add 5 mg of this product to 1 ml of CMC-Na solution, mix evenly to obtain a homogeneous suspension with a final concentration of 5 mg/ml.
Clear solution	5%DMSO 1 30%PEG300 2 65%ddH2O Validated by Selleck labs. Should you need adjustments to this formulation, contact our sales team for custom testing.	1.200mg/ml (6.37mM)	Taking the 1 mL working solution as an example, add 50 μL of 24 mg/ml clarified DMSO stock solution to 300 μL of PEG300, mix evenly to clarify it; add 650 μL of ddH2O to adjust the volume to 1 mL. The mixed solution should be used immediately for optimal results.

In vivo Formulation Calculator (Clear solution)

Step 1: Enter information below (Recommended: An additional animal making an allowance for loss during the experiment)

Dosage: mg/kg

Average weight of animals: g

Dosing volume per animal: μL

Number of animals:

Step 2: Enter the in vivo formulation (This is only the calculator, not formulation. Please contact us first if there is no in vivo formulation at the solubility Section.)

% DMSO

%

% Tween 80

% ddH₂O

% DMSO

+

%

Calculation results:

Working concentration: mg/ml;

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.

Note: 1. Please make sure the liquid is clear before adding the next solvent.
2. Be sure to add the solvent(s) in order. You must ensure that the solution obtained, in the previous addition, is a clear solution before proceeding to add the next solvent. Physical methods such
as vortex, ultrasound or hot water bath can be used to aid dissolving.

Chemical Information, Storage & Stability

Molecular Weight	188.31	Formula	C₇H₁₂N₂S₂	Storage (From the date of receipt)	3 years-20°Cpowder
CAS No.	141400-58-0	Download SDF		Storage of Stock Solutions	1 year-80°Cin solvent 1 month-20°Cin solvent
Synonyms	DB05448, 1-methyl propyl 2-imidazolyl disulfide			Smiles	CCC(C)SSC1=NC=CN1

Mechanism of Action

Targets/IC₅₀/Ki	Trx-1
In vitro	In MCF-7 and HT-29 cells, PX-12 prevents the hypoxia (1% oxygen)-induced increase in HIF-1alpha protein, and decreases HIF-1-trans-activating activity, VEGF formation, and inducible nitric oxide synthase. This compound also inhibits the growth of MCF-7 and HT-29 cells with IC50s of 1.9 μM and 2.9μM, respectively. It also inhibits HIF-1α protein levels through an Nrf2/PMF-1-mediated increase. In A549 cells, this chemical inhibits cell growth via G2/M phase arrest, and Bax-mediated and ROS-dependent apoptosis. In hepatocelluar carcinoma cells, it exerts a synergistic effect with 5-FU to significantly suppress tumorigenicity.
In vivo	In mice bearing MCF-7 tumor xenografts, PX-12 (12 mg/kg, i.p.) decreases HIF-1α and VEGF protein levels and microvessel density.
References	[1] https://pubmed.ncbi.nlm.nih.gov/12657718/ [2] https://pubmed.ncbi.nlm.nih.gov/21069338/ [3] https://pubmed.ncbi.nlm.nih.gov/24172913/ [4] https://pubmed.ncbi.nlm.nih.gov/26550453/

Clinical Trial Information

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

NCT Number	Recruitment	Conditions	Sponsor/Collaborators	Start Date	Phases
NCT00736372	Completed	Metastatic Cancer\|Advanced Cancer	Cascadian Therapeutics Inc.\|Seagen Inc.	June 2008	Phase 1
NCT00417287	Terminated	Pancreatic Neoplasms	Cascadian Therapeutics Inc.\|National Cancer Institute (NCI)\|Translational Genomics Research Institute\|Seagen Inc.	December 2006	Phase 2

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PX-12 Thioredoxin inhibitor

Chemical Structure

Molecular Weight: 188.31