Revision 1

#54645Store at -20C

100 µg

Cell Signaling Technology

Orders: 877-616-CELL (2355) [email protected]

Support: 877-678-TECH (8324)

Web: [email protected] cellsignal.com

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For Research Use Only. Not for Use in Diagnostic Procedures.

Background

Isolated from Streptomyces griseus, bafilomycin A1 is a macrolide antibiotic that reversibly inhibits late phase autophagy (1,2). By inhibiting H+-ATPase, bafilomycin A1 prevents re-acidification of synaptic vesicles following exocytosis and thereby blocks fusion of autophagosomes and lysosomes (2-5). Research studies demonstrate that bafilomycin A1 can also inhibit cell proliferation (4).

  1. Werner, G. et al. (1984) J Antibiot (Tokyo) 37, 110-7.
  2. Yoshimori, T. et al. (1991) J Biol Chem 266, 17707-12.
  3. Bowman, E.J. et al. (1988) Proc Natl Acad Sci U S A 85, 7972-6.
  4. Ohkuma, S. et al. (1993) In Vitro Cell Dev Biol Anim 29A, 862-6.
  5. Yamamoto, A. et al. (1998) Cell Struct Funct 23, 33-42.

Molecular Formula

C35H58O9

Molecular Weight

622.8 g/mol

Purity

>98%

CAS

88899-55-2

Solubility

Soluble in DMSO at 50mg/ml.

Storage

Store lyophilized or in solution at -20ºC, desiccated. Protect from light. In lyophilized form, the chemical is stable for 24 months. Once in solution, use within 3 months to prevent loss of potency. Aliquot to avoid multiple freeze/thaw cycles.

Directions for Use

Bafilomycin A1 is supplied as a lyophilized powder. For a 1 mM stock, reconstitute the 100 μg in 160.56 μl DMSO. Working concentrations and length of treatment can vary depending on the desired effect, but it is typically used at 10 nM-1 μM for up to 18 hr.

Background References

    Cross-Reactivity Key

    H: human M: mouse R: rat Hm: hamster Mk: monkey Vir: virus Mi: mink C: chicken Dm: D. melanogaster X: Xenopus Z: zebrafish B: bovine Dg: dog Pg: pig Sc: S. cerevisiae Ce: C. elegans Hr: horse GP: Guinea Pig Rab: rabbit All: all species expected

    Trademarks and Patents

    Cell Signaling Technology is a trademark of Cell Signaling Technology, Inc.
    All other trademarks are the property of their respective owners. Visit cellsignal.com/trademarks for more information.

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