Revision 1

#42819Store at -20C

10 mg

Cell Signaling Technology

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

Background

Camostat Mesylate, also known as Foipan or FOY 305, is a synthetic serine protease inhibitor that is often used to treat pancreatitis pain (1). Camostat Mesylate attenuates airway epithelial sodium channel (ENaC) function by inhibiting channel-activating proteases (CAPs) with an IC50 of 50 nM (2). Camostat Mesylate inhibition of trypsin decreased food intake, body weight, blood glucose, liver weight, and lipidosis and increased FGF21 expression in obese mice (3).

Camostat Mesylate is an effective inhibitor of TMPRSS2, a serine protease used by SARS-CoV-2/COVID-19 for viral S-protein priming and cell entry. Pre-treatment of human lung cancer cells with 100 μM Camostat Mesylate significantly reduced COVID-19 viral entry (4).

  1. Ramsey, M.L. et al. (2019) Trials 20, 501.
  2. Coote, K. et al. (2009) J Pharmacol Exp Ther 329, 764-74.
  3. Albarazanji, K. et al. (2019) Am J Physiol Gastrointest Liver Physiol 316, G653-G667.
  4. Hoffmann, M. et al. (2020) Cell 181, 271-280.e8.

Molecular Formula

C20H22N4O5 • CH3SO3H

Molecular Weight

494.5 g/mol

Purity

>98%

CAS

59721-29-8

Solubility

Soluble in DMSO at 50 mg/ml or water at 50 mg/ml.

Storage

Store lyophilized at -20ºC, desiccated. In lyophilized form, the chemical is stable for 24 months. Once in solution, store at -20ºC and use within 1 month to prevent loss of potency. Aliquot to avoid multiple freeze/thaw cycles.

Directions for Use

Camostat Mesylate is supplied as a lyophilized powder. For a 15 mM stock, reconstitute 10 mg of powder in 1.34 ml of DMSO. Working concentrations and length of treatment can vary depending on the desired effect.

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

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    Cell Signaling Technology is a trademark of Cell Signaling Technology, Inc.
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