一种将钠和钾集中于细胞核内的可能机制。
A possible mechanism for concentrating sodium and potassium in the cell nucleus.
作者信息
Moore R D, Morrill G A
出版信息
Biophys J. 1976 May;16(5):527-33. doi: 10.1016/S0006-3495(76)85707-4.
Abstract
A dynamic, nonequilibrium mechanism is proposed for concentrating both Na+ and K+ in the cell nucleus. The model is consistent with experiment observations and with known properties of cell membranes. This model could explaing the high nucleoplasm to cytoplasm ratios of Na+ and/or K+ reported for liver kidney, thymus, frog skin, ascites cells, and amphibian oocytes.
摘要
提出了一种动态的、非平衡机制来使细胞核中的钠离子和钾离子都得到浓缩。该模型与实验观察结果以及细胞膜的已知特性相一致。此模型可以解释所报道的肝脏、肾脏、胸腺、蛙皮、腹水细胞和两栖类卵母细胞中核质与细胞质的钠离子和/或钾离子的高比例。
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