Date published: 2025-11-2

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Vacuolin-1 (CAS 351986-85-1)

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Alternate Names:
Vacuolin-1 is known as a PIKfyve inhibitor.
Application:
Vacuolin-1 is a cell-permeable triazine that inhibits Ca2+-dependent fusion of lysosomes to the cell membrane inhibiting release of lysosomal content.
CAS Number:
351986-85-1
Purity:
≥95%
Molecular Weight:
577.42
Molecular Formula:
C26H24IN7O
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
* Refer to Certificate of Analysis for lot specific data.

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Vacuolin-1 is a lysosomal exocytosis inhibitor that prevents Ca2+-dependent fusion of lysosomes with the plasma membrane and the release of lysosomal content. Vacuolin-1 alters the morphology of lysosomes, but not their cell resealing. Vacuolin-1 is cell-permeable. Vacuolin-1 does not disturb the organization of the actin or tubulin cytoskeletal networks. Vacuolin-1 also does not interfere with trafficking along the endocytic or secretory pathways.


Vacuolin-1 (CAS 351986-85-1) References

  1. The small chemical vacuolin-1 inhibits Ca(2+)-dependent lysosomal exocytosis but not cell resealing.  |  Cerny, J., et al. 2004. EMBO Rep. 5: 883-8. PMID: 15332114
  2. The small chemical vacuolin-1 alters the morphology of lysosomes without inhibiting Ca2+-regulated exocytosis.  |  Huynh, C. and Andrews, NW. 2005. EMBO Rep. 6: 843-7. PMID: 16113649
  3. Vacuolin-1 potently and reversibly inhibits autophagosome-lysosome fusion by activating RAB5A.  |  Lu, Y., et al. 2014. Autophagy. 10: 1895-905. PMID: 25483964
  4. Vacuolin-1 inhibits autophagy by impairing lysosomal maturation via PIKfyve inhibition.  |  Sano, O., et al. 2016. FEBS Lett. 590: 1576-85. PMID: 27135648
  5. Identification of Novel Vacuolin-1 Analogues as Autophagy Inhibitors by Virtual Drug Screening and Chemical Synthesis.  |  Chen, C., et al. 2017. Molecules. 22: PMID: 28555021
  6. Vacuolin-1 potently and reversibly inhibits autophagy by activating Rab5.  |  . 2018. Autophagy. 14: 176-177. PMID: 29388871
  7. Autophagy inhibitor Vacuolin-1 interferes with lipid-based small interference RNA delivery.  |  Li, T., et al. 2019. Biochem Biophys Res Commun. 510: 427-434. PMID: 30732855
  8. Vacuolin-1 inhibits endosomal trafficking and metastasis via CapZβ.  |  Ye, Z., et al. 2021. Oncogene. 40: 1775-1791. PMID: 33564074
  9. Abemaciclib and Vacuolin-1 induce vacuole-like autolysosome formation - A new tool to study autophagosome-lysosome fusion.  |  Tanaka, Y., et al. 2022. Biochem Biophys Res Commun. 614: 191-197. PMID: 35598430
  10. Parkinson's disease-risk protein TMEM175 is a proton-activated proton channel in lysosomes.  |  Hu, M., et al. 2022. Cell. 185: 2292-2308.e20. PMID: 35750034
  11. The Three Two-Pore Channel Subtypes from Rabbit Exhibit Distinct Sensitivity to Phosphoinositides, Voltage, and Extracytosolic pH.  |  Feng, X., et al. 2022. Cells. 11: PMID: 35805090
  12. A Structural Overview of TRPML1 and the TRPML Family.  |  Fine, M. and Li, X. 2022. Handb Exp Pharmacol.. PMID: 35879577
  13. Correction: Vacuolin‑1 enhances RA‑induced differentiation of human myeloblastic leukemia cells: evidence for involvement of a CD11b/FAK/LYN/SLP‑76 axis subject to endosomal regulation that drives late differentiation steps.  |  Zhu, K., et al. 2023. Cell Biosci. 13: 22. PMID: 36737806

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

Vacuolin-1, 10 mg

sc-216045
10 mg
$260.00

What is the stability of a 1mM solution (in DMSO) ? Also, best storage temperature of a 1M solution

Asked by: kathil
Thank you for your question. We do not recommend long-term storage of Vacuolin-1 in solution. It is ideally kept in its solid form (desiccated) at 4 °C. Solutions should be prepared fresh on the day they are used.
Answered by: Tech Support Europe
Date published: 2021-07-02

What is the solubility of this product?

Asked by: hawkeye11
This chemical, Vacuolin-1 (CAS 351986-85-1), is soluble in DMSO.
Answered by: Chemical Support 1
Date published: 2021-07-02
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Rated 5 out of 5 by from We used this in cell culture in differentWe used this in cell culture in different human cell lines and got good results.
Date published: 2015-11-03
Rated 5 out of 5 by from Worked well for usWorked well for us, no complaints.
Date published: 2015-09-03
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Vacuolin-1 is rated 5.0 out of 5 by 2.
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