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  • Title: [The role of fast and slow potassium currents in electrical activity of amphibian myelinated nerve fibres].
    Author: Evstigneev DA, Glukhova NV, Kuznetsova IV.
    Journal: Usp Fiziol Nauk; 2011; 42(4):20-38. PubMed ID: 22145309.
    Abstract:
    The paper reviews the information about the role of fast and slow potassium currents in electrical activity of amphibian myelinated nerve fibres. It demonstrates the importance of discovering of fast and slow potassium currents and their following pharmacological separation (by potassium channels blockers 4-aminopyridine and tetraethylammonium) in investigation of mechanisms of biological potentials generation. The information about the existence of fast and slow potassium channels in the nerve membrane and about the properties of 4-aminopyridine and tetraethylammonium action served as a base for determination the nature of biological potentials and discovering the mechanism of potential-dependent action of 4-aminopyridine that for tens of years suffered from the lack of adequate explanation.
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