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9972
Brefeldin A

Brefeldin A #9972

Brefeldin A is supplied as a 5 mg powder. Store at -20ºC. Brefeldin A is soluble in DMSO (also ethanol and methanol) and stock solutions (typically 10 mg/ml) should be stored at -20ºC. Working concentrations and length of treatment can vary depending on desired effect. Inhibiton of ER to Golgi trafficking was observed as low as 100 ng/ml and apoptosis was observed with prolonged treatment at 10 μg/ml.

Storage:

Store lyophilized or in solution at -20ºC, desiccated. 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.

Molecular Weight:

280.4 g/mol

Purity:

>99%

Molecular Formula:

C16H24O4

Brefeldin A (BFA) is a fungal metabolite demonstrated to reversibly interfere with anterograde transport from the endoplasmic reticulum to the Golgi apparatus (1,2). While initially isolated as an antibiotic (3), and does have a wide range of antibiotic activity, it is primarily used as a biological research tool for studying protein transport. Treatment leads to a rapid accumulation of proteins within the ER and collapse of the Golgi stacks. Treatment with BFA can also inhibit protein secretion (4) and prolonged exposure can induce apoptosis (5). The main target of BFA appears to be ADP-ribosylation factor (ARF), which is responsible for association of coat protein to the Golgi membrane (6,7).

  1. Klausner, R.D. et al. (1992) J Cell Biol 116, 1071-80.
  2. Pelham, H.R. (1991) Cell 67, 449-51.
  3. Tamura, G. et al. (1968) J Antibiot (Tokyo) 21, 160-1.
  4. Misumi, Y. et al. (1986) J Biol Chem 261, 11398-403.
  5. Shao, R.G. et al. (1996) Exp Cell Res 227, 190-6.
  6. Helms, J.B. and Rothman, J.E. (1992) Nature 360, 352-4.
  7. Randazzo, P.A. et al. (1993) J Biol Chem 268, 9555-63.
For Research Use Only. Not For Use In Diagnostic Procedures.

Cell Signaling Technology is a trademark of Cell Signaling Technology, Inc.
DRAQ5 is a registered trademark of Biostatus Limited.

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