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| 米氏动力学× | 膜片钳电生理学× | Schild 分析× | |
|---|---|---|---|
| 领域 | 药理学 | 药理学 | 药理学 |
| 方法族 | Process / pipeline | Process / pipeline | Process / pipeline |
| 起源年份≠ | 1913 | 1976 | 1947 |
| 提出者≠ | Leonor Michaelis and Maud Menten | Erwin Neher and Bert Sakmann | Henry Schild |
| 类型≠ | mechanistic model | ion channel screening | antagonism quantification |
| 开创性文献≠ | Michaelis, L., & Menten, M. L. (1913). Die Kinetik der Invertinwirkung. Biochemische Zeitschrift, 49, 333-369. link ↗ | Neher, E., & Sakmann, B. (1976). Single-channel currents recorded from membrane of denervated frog muscle fibres. Nature, 260(5554), 799-802. DOI ↗ | Schild, H. O. (1947). pA, a new scale for the measurement of drug antagonism. Journal of Physiology, 106(3), 337-357. DOI ↗ |
| 别名≠ | MM kinetics, Michaelis constant, Vmax | patch clamp, whole-cell recording, ion channel assay | Schild plot, pA2 |
| 相关≠ | 2 | 3 | 3 |
| 摘要≠ | Michaelis-Menten kinetics describes the rate of enzyme-catalyzed reactions as a function of substrate concentration. Developed by Leonor Michaelis and Maud Menten in 1913, this foundational framework models enzyme catalysis through the rapid-equilibrium approximation and enables prediction of drug metabolism rates in pharmacokinetics. | Patch-clamp electrophysiology is a technique for measuring ionic currents through ion channels in cell membranes, developed by Neher and Sakmann in 1976. It enables direct observation of single-channel and whole-cell currents at millisecond resolution, making it essential for characterizing drug effects on ion channels and cardiac safety assessment. | Schild analysis is a quantitative method for characterizing competitive receptor antagonism developed by Henry Schild in 1947. It uses dose-response curves in the presence and absence of antagonist to estimate the antagonist affinity constant (pA2), enabling standardized comparison of antagonist potency across drugs and experimental systems. |
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