Date published: 2026-8-18

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PRIMA-1MET (CAS 5291-32-7)

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Alternate Names:
PRIMA-1MET is also known as APR-246.
Application:
PRIMA-1MET is a methylated derivative of PRIMA-1 shown to restore mutant p53 activity and triggers apoptosis in tumor cells.
CAS Number:
5291-32-7
Purity:
≥97%
Molecular Weight:
199.25
Molecular Formula:
C10H17NO3
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
* Refer to Certificate of Analysis for lot specific data.

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PRIMA-1MET is a methylated derivative of PRIMA-1 (sc-200927). This compound may act to restore mutant p53 activity, and to act synergistically with chemotherapeutic agents to inhibit tumor cell proliferation. PRIMA-1MET also targets the selenoprotein thioredoxin reductase 1 (TrxR1), a key regulator of cellular redox balance. Cellular TrxR1 activity is inhibited by PRIMA-1MET irrespective of p53 status. PRIMA-1MET can directly affect cellular redox status via targeting of TrxR1. PRIMA-1MET has also been shown to reactivate mutant forms of the p63 and p73 proteins that share high structural homology with p53. PRIMA-1MET treatment increases Hsp70 expression and nucleolar translocation, in parallel with the induction of nucleolar accumulation of mutant p53. PRIMA-1MET is also known as APR-246, 2-(hydroxymethyl)-2-(methoxymethyl)quinuclidin-3-one, and 2-(hydroxymethyl)-2-(methoxymethyl)-1-azabicyclo[2.2.2]octan-3-one.


PRIMA-1,[object Object], (CAS 5291-32-7) References

  1. PRIMA-1(MET) synergizes with cisplatin to induce tumor cell apoptosis.  |  Bykov, VJ., et al. 2005. Oncogene. 24: 3484-91. PMID: 15735745
  2. PRIMA-1MET induces mitochondrial apoptosis through activation of caspase-2.  |  Shen, J., et al. 2008. Oncogene. 27: 6571-80. PMID: 18663359
  3. PRIMA-1MET induces nucleolar translocation of Epstein-Barr virus-encoded EBNA-5 protein.  |  Stuber, G., et al. 2009. Mol Cancer. 8: 23. PMID: 19323829
  4. PRIMA‑1met induces autophagy in colorectal cancer cells through upregulation of the mTOR/AMPK‑ULK1‑Vps34 signaling cascade.  |  Li, XL., et al. 2021. Oncol Rep. 45: PMID: 33846805
  5. Ascorbate Inhibits Proliferation and Promotes Myeloid Differentiation in TP53-Mutant Leukemia.  |  Smith-Díaz, CC., et al. 2021. Front Oncol. 11: 709543. PMID: 34497762
  6. Transcriptional Regulation of Amino Acid Transport in Glioblastoma Multiforme.  |  Umans, RA., et al. 2021. Cancers (Basel). 13: PMID: 34944790
  7. Estrogen Receptor-Beta2 (ERβ2)-Mutant p53-FOXM1 Axis: A Novel Driver of Proliferation, Chemoresistance, and Disease Progression in High Grade Serous Ovarian Cancer (HGSOC).  |  Oturkar, CC., et al. 2022. Cancers (Basel). 14: PMID: 35267428
  8. Corrigendum to 'p53 Reactivation by PRIMA-1Met (APR-246) sensitises V600E/KBRAF melanoma to vemurafenib'[Eur J of Cancer 55 (2016) 98-110].  |  Krayem, M., et al. 2022. Eur J Cancer. 175: 336-338. PMID: 36167622
  9. Anti-inflammatory effects of PRIMA-1MET (mutant p53 reactivator) induced by inhibition of nuclear factor-κB on rheumatoid arthritis fibroblast-like synoviocytes.  |  Adib, M., et al. 2023. Inflammopharmacology. 31: 385-394. PMID: 36350424
  10. Corrigendum: Current insights into the regulation of programmed cell death by TP53 mutation in cancer.  |  Su, Y., et al. 2022. Front Oncol. 12: 1071831. PMID: 36439483
  11. Drugs Targeting p53 Mutations with FDA Approval and in Clinical Trials.  |  Nishikawa, S. and Iwakuma, T. 2023. Cancers (Basel). 15: PMID: 36672377
  12. Innovative Therapeutic Approaches for the Treatment of the Ocular Morbidities in Patients with EEC Syndrome.  |  Barbaro, V., et al. 2023. Cells. 12: PMID: 36766837
  13. Dexamethasone Selectively Inhibits Detachment of Metastatic Thyroid Cancer Cells during Random Positioning.  |  Melnik, D., et al. 2023. Cancers (Basel). 15: PMID: 36980530

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

PRIMA-1MET, 10 mg

sc-361295
10 mg
$153.00

PRIMA-1MET, 25 mg

sc-361295A
25 mg
$325.00