请使用支持JavaScript的浏览器! Medchemexpress/Tetrodotoxin(Synonyms: TTx)/HY-12526/1mg_蚂蚁淘,【正品极速】生物医学科研用品轻松购|ebiomall 蚂蚁淘商城
商品信息
联系客服
Medchemexpress/Tetrodotoxin(Synonyms: TTx)/HY-12526/1mg
郑重提醒:
无质量问题不接受退换货,下单前请仔细核对信息。
下单后请及时联系客服核对商品价格,订单生效后再付款。
Medchemexpress/Tetrodotoxin(Synonyms: TTx)/HY-12526/1mg
品牌 / 
MedChemExpress
货号 / 
HY-12526
美元价:
(友情提示:该价格仅为参考,欢迎联系客服询价!)
数    量:
免费咨询热线
4000-520-616
Tetrodotoxinisahighlyselectivesodiumchannelblocker,withIC50of33nMforNav1.6.
Description

Tetrodotoxinisahighlyselectivesodiumchannelblocker,withIC50of33nMforNav1.6.

IC50&Target

Sodiumchannel[1]
IC50:33nM(Nav1.6)[2]

InVitro

Thesodiumchannel(Nav)genefamilyisclassifiedintoTetrodotoxin-sensitive(TTX-S;Nav1.1,Nav1.2,Nav1.3,Nav1.4,Nav1.6,andNav1.7)andTTX-resistant(TTX-R)channels(Nav1.5,Nav1.8,andNav1.9),eachofwhichisassociatedwithspecifictherapeuticindicationsbasedontheirexpressionpattern,function,andgeneticmutations.Morethan97%ofmacroscopicNavcurrentinND7-23cellsiscarriedbyTetrodotoxin-sensitivechannels(300nMTTX)andthatNav1.7isthepredominantchannelcontributingtothisresponse(65%ofpeakinwardcurrent),followedbyNav1.6(~20%)andnegligIBLeNav1.3currents(~2%).Inaddition,Tetrodotoxin(TTX)isselectivefortheNav1.6(IC50of33nM)and50-foldoverNav1.7inhumanNavchannelsexpressedinmammaliancells,confirmingpreviousstudiesofrodentNavchannelsexpressedinoocytesandHEKcells[2].

ClinicalTrial
ViewMoreCollapse
References
  • [1].NgocAH,etal.Tetrodotoxinformoderatetoseverecancerpain:arandomized,doubleblind,paralleldesignmulticenterstudy.JPainSymptomManage.2008Apr;35(4):420-9.

    [2].RogersM,etal.CharacterizationofEndogenousSodiumChannelsintheND7-23NeuroblastomaCellLine:ImplicationsforUseasaHeterologousIonChannelExpressionSystemSuitableforAutomatedPatchClampScreening.AssayDrugDevTechnol.2016Mar;14(2

PreparingStockSolutions
ConcentrationVolumeMass1mg5mg10mg
1mM3.1321mL15.6607mL31.3215mL
5mM0.6264mL3.1321mL6.2643mL
10mM0.3132mL1.5661mL3.1321mL
Pleaserefertothesolubilityinformationtoselecttheappropriatesolvent.
CellAssay
[2]

Tetrodotoxin(TTX)isdissolvedinDMSOandstored,andthendilutedwithappropriatemediabeforeuse[2].

CHOandHEKheterologouscelllinesstablyexpressinghNav1.3(CYL3003),hNav1.6(CYL3010),andhNav1.7channels(CYL3011)aregrown.CurrentsareelicitedfromNav1.3,Nav1.6,andNav1.7celllinesandND7-23cellsusingastandardtwo-pulsevoltageprotocol.Fromaholdingpotentialof−100mV,a20-msactivatingsteptothepeakoftheIVforeachNav1.xchannel(0,−10,−20,and−10mVforNav1.3,Nav1.6,Nav1.7,andTTX-S,respectively)isappliedtoassesstheeffectofcompoundsonchannelsopenedfromtheresting(closed)state(Peak1).Thesecondactivatingpulseisappliedfollowinga5-sprepulsetoamembranepotentialthatinduces~50%inactivationofavailablechannelstoassessblockontheinactivatedstateofthechannel.Thehalf-inactivatingpotentialvarieddependingonNav1.xtypeandtissuecultureconditionsandisadjustedeachdayforeachtarget(typicallyrangingbetween−70and−50mV).Thetwo-stepvoltageprotocolisappliedatasweepintervalof0.067Hzthroughoutthedurationoftheexperiment.Leaksubtractionisappliedbetweenthevoltagesweeps,butthelengthofthevoltageprotocolonlyallowedtwoleaksweepsperepoch,limitingtheirutilityandouruseofthismethod.Rather,sweepsubtractionisemployedintheQPatchsoftwarethatenablesasingleoraveragednumberofsweepstobesubtractedfromallothersweepsintheexperiment;applyingasaturatingdoseof300nMTetrodotoxin(TTX)toeachcellattheendofeveryexperimentenabledeffectivesweepsubtractionandremovalofcapacitiveartifactsandcontaminating(e.g.,outward)currents[2].MCEhasnotindependentlyconfirmedtheaccuracyofthesemethods.Theyareforreferenceonly.

References
  • [1].NgocAH,etal.Tetrodotoxinformoderatetoseverecancerpain:arandomized,doubleblind,paralleldesignmulticenterstudy.JPainSymptomManage.2008Apr;35(4):420-9.

    [2].RogersM,etal.CharacterizationofEndogenousSodiumChannelsintheND7-23NeuroblastomaCellLine:ImplicationsforUseasaHeterologousIonChannelExpressionSystemSuitableforAutomatedPatchClampScreening.AssayDrugDevTechnol.2016Mar;14(2

MolecularWeight

319.27

Formula

C₁₁H₁₇N₃O₈

CASNo.

4368-28-9

Storage
Powder-20°C3years
 4°C2years
Insolvent-80°C6months
 -20°C1month
Shipping

RoomtemperatureincontinentalUS;mayvaryelsewhere

Solvent&Solubility

DMSO

*"<1 mg/ml"="" means="" slightly="" soluble="" or="" insoluble.="" "≥"="" means="" soluble,="" but="" saturation="">

Purity:99.99%