JC-1(5,5′,6,6′-Tetrachloro-1,1′,3,3′-tetraethylbenzimidazolylcarbocyaninechloride)isamitochondrialdyethatstainsmitochondriainlivingcellsinamembranepotential-dependentfashion.JC-1monomerisinequilibriumwithso-calledJ-aggregates,whicharefavoredathigherdyeconcentrationorhighermitochondrialmembranepotential.ThemonomerJC-1hasgreenfluorescence(λEm=527nm),whiletheJ-aggregateshaveredfluorescence(λEm=590nm).Therefore,itispossIBLetousethefluorescenceratiotechniquetostudymitochondrialmembranepotentials.JC-1isparticularlyusefulforapoptosisstudies.Inapoptoticcells,thedyestaysinthecytoplasmandfluorescesgreen.Ithasalsobeenusedinhighthroughputdrugscreeningapplications.
JC-1,iodide(#70014)istheoriginalsaltformofthedye.BiotiumdevelopedJC-1chloridesaltforapplicationswhereiodideionisnotdesired.JC-1chloridemayalsohavetheadvantageofbeingslightlymorewatersolublethantheiodidesalt.
- ε(MeOH)=190,000
- RedsolidsolubleinDMSO
- Storeat4°Candprotectfromlight,especiallyinsolution
- C25H27Cl5N4
- MW:561.5
References
1.PNAS88,3671(1991).
2.Biochemistry30,4480(1991).