Experiment 808751

Compounds isolated

Details

PropertyValue
Pharmacology
OrganismEmpty organism
CitationFISUNOV,A: LOZOVAYA,N: TSINTSADZE,T: CHATTERJEE,S: NOLDNER,M: KRISHTAL,O:. (2000). HYPERFORIN MODULATES GATING OF P-TYPE CA++ CURRENT IN CEREBELLAR PURKINJE NEURONS.. 440(3)
Amount utilized
Compound isolated
DiseaseI/V CURVE MAXIMUM AND SLOW-DOWN OF THE ACTIVATION KINETICS. HYPERFORIN (0.8 MICROM) SHIFTED THE MAXIMUM CURRENT VOLTAGE RELATIONSHIP BY -8+-2MV. CALMIDAZOLIUM (0.5 MICROM), AN ANTAGONIST OF THE INTRACELLULAR CA++ BINDING PROTEIN CALMODULIN SIGNIFICANTLY INHIBITED THE HYPERFORIN-INDUCED SHIFT OF THE WHOLE CELL,PATCH-CLAMP RECORDINGS FROM ACUTELY ISOLATED CEREBELLAR PURKINJE NEURONS DEMONSTRATE A TWO-STAGE MODULATION OF P-TYPE HIGH VOLTAGE ACTIVATED (HVA) CA++ CURRENT BY A CONSTITUENT OF ST. JOHN'S WORT, HYPERFORIN (0.04-0.8 MICROM).
Dose amount0.8 MICROMOLS
Number1
Qualitative resultACTIVE
Dose expressionCONC USED