APR-246 (PRIMA-1MET)
Catalog No.S7724
Molecular Weight(MW): 199.25
APR-246, also known as PRIMA-1MET, is a small organic molecule that has been shown to restore tumour-suppressor function primarily to mutant p53 and also to induce cell death in various cancer types.
Purity & Quality Control
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Biological Activity
| Description | APR-246, also known as PRIMA-1MET, is a small organic molecule that has been shown to restore tumour-suppressor function primarily to mutant p53 and also to induce cell death in various cancer types. | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| In vitro |
APR-246 (PRIMA-1MET) is the first clinical-stage compound that reactivates mutant p53 and induces apoptosis. APR-246 is a prodrug that is converted to the active compound methylene quinuclidinone (MQ), a Michael acceptor that binds to cysteine residues in mutant p53 and restores its wild-type conformation. APR-246 completely restores the cisplatin and doxorubicin sensitivity to p53-mutant drug-resistant ovarian cancer cells. It not only reactivates p53 but also decreases intracellular glutathione levels in a dose-dependent manner. APR-246 can trigger apoptosis in a p53-independent manner by inducing ROS and endoplasmic reticulum (ER) stress and by inhibiting thioredoxin reductase 1 (TrxR1). It was also reported that APR-246 induces cell death in myeloma cells independently of p53 status by impairing the GSH/ROS balance[1]. PRIMA-1Met/APR-246 efficiently inhibited the growth of the SCLC cell lines expressing mutant p53 in vitro and induced apoptosis, associated with increased fraction of cells with fragmented DNA, caspase-3 activation, PARP cleavage, Bax and Noxa upregulation and Bcl-2 downregulation in the cells[2]. |
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| Cell Data |
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| In vivo | APR-246 showed a good safety profile in a Phase I/II clinical dose-finding study on hematological malignancies and prostate cancer and both clinical and p53-dependent biological responses were observed. In animal studies, APR-246 is well tolerated. Single treatment with APR-246 inhibits tumor growth by 21% in mice bearing the aggressively growing A2780-CP20 tumor xenografts[1]. |
Protocol
| Cell Research: |
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Solubility (25°C)
| In vitro | DMSO | 40 mg/mL (200.75 mM) |
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| Water | 40 mg/mL (200.75 mM) | |
| Ethanol | 40 mg/mL (200.75 mM) |
* Please note that Selleck tests the solubility of all compounds in-house, and the actual solubility may differ slightly from published values. This is normal and is due to slight batch-to-batch variations.
Chemical Information
| Molecular Weight | 199.25 |
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| Formula | C10H17NO3 |
| CAS No. | 5291-32-7 |
| Storage | powder |
| in solvent | |
| Synonyms | N/A |
Bio Calculators
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This equation is commonly abbreviated as: C1V1 = C2V2 ( Input Output )
* When preparing stock solutions always use the batch-specific molecular weight of the product found on the vial label and MSDS / COA (available online).
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Definitions of molecular mass, molecular weight, molar mass and molar weight:
Molecular mass (molecular weight) is the mass of one molecule of a substance and is expressed in the unified atomic mass units (u). (1 u is equal to 1/12 the mass of one atom of carbon-12)
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Molarity Calculator
Clinical Trial Information
| NCT Number | Recruitment | interventions | Conditions | Sponsor/Collaborators | Start Date | Phases |
|---|---|---|---|---|---|---|
| NCT03745716 | Recruiting | Drug: APR-246 + azacitidine|Drug: Azacitidine | MDS | Aprea Therapeutics AB | January 11 2019 | Phase 3 |
| NCT03391050 | Terminated | Drug: APR-246|Drug: Dabrafenib | Melanoma | Aprea Therapeutics AB|Jules Bordet Institute | January 18 2018 | Phase 1|Phase 2 |
| NCT02999893 | Suspended | Drug: APR-246 | Oesophageal Carcinoma | Peter MacCallum Cancer Centre Australia | April 11 2017 | Phase 1|Phase 2 |
| NCT00900614 | Completed | Drug: APR-246 | Hematologic Neoplasms|Prostatic Neoplasms | Aprea Therapeutics AB | May 2009 | Phase 1 |
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.
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