Dynorphin prolongs the action potential duration of mouse sensory ganglion neurons by decreasing a K+ conductance whereas the specific kappa opioid, U-50,488H does so by increasing a Ca2+ conductance.

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@article{Shen1990DynorphinPT, title={Dynorphin prolongs the action potential duration of mouse sensory ganglion neurons by decreasing a K+ conductance whereas the specific kappa opioid, U-50,488H does so by increasing a Ca2+ conductance.}, author={K F Shen and Stanley M. Crain}, journal={Progress in clinical and biological research}, year={1990}, volume={328}, pages={343-6} }