Date published: 2025-10-19

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Autophagy Inhibitor, 3-MA (CAS 5142-23-4)

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Alternate Names:
Autophagy Inhibitor, 3-MA is also known as 3-methyladenine.
Application:
Autophagy Inhibitor, 3-MA is a multi-use inhibitor that inhibits autophagy by blocking autophagosome formation via the inhibition of type III Phosphatidylinositol 3-kinases.
CAS Number:
5142-23-4
Purity:
≥95%
Molecular Weight:
149.15
Molecular Formula:
C6H7N5
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
* Refer to Certificate of Analysis for lot specific data.

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Autophagy Inhibitor, 3-MA is a synthetic intermediate and a cell-permeable autophagic sequestration blocker that protects cerebellar granule cells from apoptosis post serum/potassium deprivation. It is a PI 3-kinase p100 (class III PI 3-kinase inhibitor) that displays distinctly different properties from the PI 3-kinase inhibitors LY 294002 (sc-201426) and Wortmannin (sc-3505), in that treatment of cells with Autophagy Inhibitor, 3-MA results in specific redistribution of mannose 6-phosphate/insulin-like growth factor II receptor (MPR300), but does not cause the enlargement of late endosomal/lysosomal compartments. Autophagy Inhibitor, 3-MA is also an inhibitor of PI 3-kinase p110 gamma. Autophagy Inhibitor, 3-MA is also known as 3-methyladenine, 3-methyladenine inhibitor, 3-MA, and 6-Amino-3-methylpurine.


Autophagy Inhibitor, 3-MA (CAS 5142-23-4) References

  1. Inhibition of autophagy in mitotic animal cells.  |  Eskelinen, EL., et al. 2002. Traffic. 3: 878-93. PMID: 12453151
  2. Regulation of targets of mTOR (mammalian target of rapamycin) signalling by intracellular amino acid availability.  |  Beugnet, A., et al. 2003. Biochem J. 372: 555-66. PMID: 12611592
  3. 3-Methyladenine specifically inhibits retrograde transport of cation-independent mannose 6-phosphate/insulin-like growth factor II receptor from the early endosome to the TGN.  |  Hirosako, K., et al. 2004. Biochem Biophys Res Commun. 316: 845-52. PMID: 15033478
  4. Role of the autophagic-lysosomal system on low potassium-induced apoptosis in cultured cerebellar granule cells.  |  Canu, N., et al. 2005. J Neurochem. 92: 1228-42. PMID: 15715672
  5. Paradoxical role of 3-methyladenine in pyocyanin-induced toxicity in 1321N1 astrocytoma and SH-SY5Y neuroblastoma cells.  |  McFarland, AJ., et al. 2013. Int J Toxicol. 32: 209-18. PMID: 23525265
  6. Quantum chemical and spectroscopic investigations of 3-methyladenine.  |  Alam, MJ. and Ahmad, S. 2014. Spectrochim Acta A Mol Biomol Spectrosc. 128: 653-64. PMID: 24704482
  7. Autophagy inhibitor 3-methyladenine potentiates apoptosis induced by dietary tocotrienols in breast cancer cells.  |  Tran, AT., et al. 2015. Eur J Nutr. 54: 265-72. PMID: 24830781
  8. 3-Methyladenine can depress drug efflux transporters via blocking the PI3K-AKT-mTOR pathway thus sensitizing MDR cancer to chemotherapy.  |  Zou, Z., et al. 2014. J Drug Target. 22: 839-48. PMID: 25019701
  9. Effects of 3-methyladenine on isolated left atria subjected to simulated ischaemia-reperfusion.  |  Hermann, R., et al. 2015. Clin Exp Pharmacol Physiol. 42: 41-51. PMID: 25311855
  10. 3-methyladenine, an autophagic inhibitor, attenuates therapeutic effects of sirolimus on scopolamine-induced cognitive dysfunction in a rat model.  |  Zhu, B., et al. 2014. Int J Clin Exp Med. 7: 3327-32. PMID: 25419365
  11. Paradoxical effects of the autophagy inhibitor 3-methyladenine on docetaxel-induced toxicity in PC-3 and LNCaP prostate cancer cells.  |  Pickard, RD., et al. 2015. Naunyn Schmiedebergs Arch Pharmacol. 388: 793-9. PMID: 25708950
  12. Inhibition of autophagy using 3-methyladenine increases cisplatin-induced apoptosis by increasing endoplasmic reticulum stress in U251 human glioma cells.  |  Zhang, R., et al. 2015. Mol Med Rep. 12: 1727-32. PMID: 25846607
  13. [Protective effects of 3-methyladenine on acute lung injury caused by multiple trauma in rats].  |  Liu, J., et al. 2015. Zhongguo Gu Shang. 28: 350-3. PMID: 26072619
  14. Low concentrations of chloroquine and 3-methyladenine suppress the viability of retinoblastoma cells synergistically with vincristine independent of autophagy inhibition.  |  Zheng, XY., et al. 2015. Graefes Arch Clin Exp Ophthalmol. 253: 2309-15. PMID: 26335535
  15. 3-Methyladenine, an inhibitor of autophagy, has multiple effects on metabolism.  |  Caro, LH., et al. 1988. Eur J Biochem. 175: 325-9. PMID: 3402459

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

Autophagy Inhibitor, 3-MA, 50 mg

sc-205596
50 mg
$56.00

Autophagy Inhibitor, 3-MA, 500 mg

sc-205596A
500 mg
$256.00

Can I autoclave without affecting the molecule?

Asked by: Lai5
Thank you for your question. Yes, it's no problem.
Answered by: BlakeJ
Date published: 2024-11-05

What is the right solubility of 3MA? DMSO (10 mg/ml), water (5 mg/ml) or water is 20 mg/mL (134.09 mM), (26.81 mM), DMSO is 3 mg/mL (20.11 mM)? Because I found those two information on this page. Thank you.

Asked by: lais
The correct water solubility is 5mg/ml. Vortexing may be required for complete solubilization.
Answered by: Technical Support
Date published: 2018-12-29

Do you know if the product stable in water solution conserved at -20? For how long? Thank you.

Asked by: Melina
Thank you for your question. Following reconstitution, aliquot and freeze (-20°C). Stock solutions are stable for up to 3 months at -20°C.
Answered by: Technical Support
Date published: 2017-10-06

What is the solubility of this product?

Asked by: hawkeye11
The solubility of Autophagy Inhibitor, 3-MA at 25°C in water is 20 mg/mL (134.09 mM), in Ethanol is 4 mg/mL (26.81 mM), and in DMSO is 3 mg/mL (20.11 mM). Warming water and DMSO will allow for improved solubility.
Answered by: Tech Service 11
Date published: 2017-03-02

What temperature in used for dissolving in 1N NaOH?

Asked by: SCM4
It is recommend to heat the 1 N NaOH solution in a 45-60ºC water bath to dissolve Autophagy Inhibitor, 3-MA.
Answered by: Tech Service 11
Date published: 2017-03-02

Is this product sterile or not?

Asked by: two2igm05
Thank you for your question. This product is not sterile. Please contact Technical Service if you have further questions concerning this product.
Answered by: Tech Service 9
Date published: 2024-05-28
  • y_2025, m_10, d_14, h_6CST
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Rated 5 out of 5 by from Great features!The product performed well in the XTT cell viability test.
Date published: 2019-10-22
Rated 4 out of 5 by from 抑制剂产品还可以。但是需要注意的是,购买后建议用培养基直接稀释成工作液用,如果配成母液浓度太低,不易溶解。
Date published: 2019-08-24
Rated 5 out of 5 by from Canu et alCanu et al. (PubMed ID 15715672) used autophagy inhibitor, 3-MA, to induce apoptosis in cultured cerebellar granule cells by blocking cytochrome C. -SCBT Publication Review
Date published: 2015-05-21
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Autophagy Inhibitor, 3-MA is rated 4.7 out of 5 by 3.
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