Experiment 1032082
Worktypes
Compounds isolated
Details
| Property | Value |
|---|---|
| Pharmacology | |
| Organism | Empty organism |
| Citation | KALSNER,S:. (1983). THE EFFECTS OF YOHIMBINE ON PRESYNAPTIC AND POSTSYNAPTIC EVENTS DURING SYMPATHETIC NERVE ACTIVATION IN CATTLE IRIS: A CRITIQUE OF PRESYNAPTIC RECEPTOR THEORY.. 78(1) |
| Amount utilized | |
| Compound isolated | |
| Disease | YOHIMBINE INCREASED THE STIMULATION-INDUCED EFFLUX OF TRITIUM TO ABOUT 2.0 X CONTROL VALUES AND,CONTRARY TO THEORY,DID SO TO A SIMILAR EXTENT REGAERDLESS OF PULSE NUMBER AND WITH APPARENT INDIFFERENCE TO THE SYNAPTIC CONCENTRATION OF TRANSMITTER. IN MOST CASES, YOHIMBINE HAD NO SIGNIFICANT EFFECT ON THE MAGNITUDE OF THE RELAXATION TO NERVE STIMULATION. IT WAS CONCLUDED THAT NEGATIVE FEEDBACK REGULATION OF TRANSMITTER RELEASE, IF IT FUNCTIONS AT ALL, AND THIS SEEMS DOUBTFUL, WOULD NOT HAVE A SUBSTANTIAL IMPACT ON THE SIZE OF THE EFFECTOR RESPONSE. |
| Dose amount | 0.003 MILLIMOLS |
| Number | 1 |
| Qualitative result | ACTIVE |
| Animal | COW |
| Dose expression | CONC USED |