TheAMPAreceptoragonist(R,S)-AMPAistypicallyusedatconcentrationsof1-100µM.At10 µM,(R,S)-AMPAfromHelloBioinducesalargedepolarisingcurrent.ThisdepolarisingcurrentwasoccludedinthepresenceoftheAMPAreceptorantagonistNBQX(20µM).(SeeFig1above).
#Protocol1:(R,S)-AMPAprotocol
- WholecellvoltageclamprecordingsofCA1pyramidalneuronsfromtherathippocampalbrainslice.
- Neuronswereheldat-60mVandcontinuouslyperfusedwithaCSFinthepresenceoftheGABAreceptorantagonistgabazine(20µM).
- AMPAcurrentswereevokedviaapplying(R,S)-AMPAdirectlytotherecordingchamberduringcontinuousperfusion.
- Totesttheselectivityof(R,S)-AMPAtoAMPAreceptors,theexperimentwasrepeatedwithinthesameneuroninthepresenceoftheAMPAreceptorantagonistNBQX (20µM)
- Undertheseconditions(R,S)-AMPAfailedtoinduceadepolarisingcurrent.
StoringandUsingYourProduct
- Storageinstructions
Roomtemperature
- Solubilityoverview
Solubleinwater(10mM,gentlewarming)
- Important
ThisproductisforRESEARCHUSEONLYandisnotintendedfortherapeuticordiagnosticuse.Notforhumanorveterinaryuse.
Referencesfor(R,S)-AMPA
TheAMPAreceptorbindingsite:focusonagonistsandcompetitiveantagonists.
StensbølTBetal(2002)CurrPharmDes8(10):857-72.PubMedID:11945136
Willardiinesdifferentiateagonistbindingsitesforkainate-versusAMPA-preferringglutamatereceptorsinDRGandhippocampalneurons.
WongLAetal(1994)JNeurosci14(6):3881-97.PubMedID:7515954
ActivationanddesensitizationofAMPA/kainatereceptorsbynovelderivativesofwillardiine.
PatneauDKetal(1992)JNeurosci12(2):595-606.PubMedID:1371315