Overview | PrinterFriendlyVersion |
Ex/Em(nm) | 646/659 |
MW | N/A |
CAS# | N/A |
Solvent | N/A |
Storage | F/D/L |
Category | CellAnalysis CellCytotoxicity |
Related | ViABIlityandProliferation CellViability BiochemicalAssays |
Spectrum | AdvancedSpectrumViewer |
1.Preparecells:
Plate100to100,000×10cellsperwellinatissueculturemicroplatewithblackwallandclearbottom.Addtestcompoundsintothecellsandincubateforadesiredperiodoftime(suchas24,48or96hours)ina37°C,5%CO2incubator.Forblankwells(mediumwithoutthecells),addthesameamountofcompoundbuffer.Thesuggestedtotalvolumeis100µL/well/96-wellplate,and25µL/well/384-wellplate.
Note:Eachcelllineshouldbeevaluatedontheindividualbasistodeterminetheoptimalcelldensityforproliferationorcytotoxicityinduction.Forproliferationassays,usefewercells;forcytotoxicityassays,usemorecellstostartwith.
2.Preparedye-loadingsolution:
2.1 Thawoneofeachkitcomponentatroomtemperaturebeforeuse.
2.2 MakeCytoCalcein™NIRstocksolution:Add20µLofDMSO(ComponentB)intothevialofCytoCalcein™NIR(ComponentA),andmixthemwell.
Note:20µLofCytoCalcein™NIRstocksolutionisenoughforoneplate.UnusedCytoCalcein™NIRstocksolutioncanbealiquotedandstoredat<-20oCforonemonthifthetubesaresealedtightly.Protectfromlightandavoidrepeatedfreeze-thawcycles.
2.3 MakeCytoCalcein™NIRdye-loadingsolutionforonecellplate:Add20µLofCytoCalcein™NIRstocksolution(fromStep2.2)intothebottleofAssayBuffer(10mL,ComponentC),andmixthemwell.Thedye-loadingsolutionisstableforatleast2hoursatroomtemperature.
3.Runthecellviabilityassay:
3.1 Treatcellswithtestcompoundsasdesired(fromStep1).
Note:Itisnotnecessarytowashcellsbeforeaddingcompound.However,iftestedcompoundsareserumsensitive,growthmediumandserumfactorscanbeaspiratedawaybeforeaddingcompounds.Add100µL/well(96-wellplate)and25µL/well(384-wellplate)of1XHank’ssaltsolutionand20mMHepesbuffer(HHBS)orthebufferofyourchoiceafteraspiration.Alternatively,cellscanbegrowninserum-freemedia.
3.2 Removethemediumfromthecells.
Note:Mediummustberemovedbeforedyeloading.
3.3 Add100µL/well(96-wellplate)or25µL/well(384-wellplate)ofdye-loadingsolution(fromStep2.3).
3.4 Incubatethedye-loadingplateatroomtemperatureor37oCfor1hour,protectedfromlight.
Note1:Theappropriateincubationtimedependsontheindividualcelltypeandcellconcentrationused.Optimizetheincubationtimeforeachexperiment.
Note2:Fornon-adherentcells,itisrecommendedtocentrifugecellplatesat800rpmfor2minuteswithbrakeoffafterincubation.
3.5 MonitorthefluorescenceintensityatEx/Em=635/670nm.
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Functionalevidencethattheself-renewalgeneNANOGregulatesesophagealsquamouscancerdevelopment
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