从黏膜溶液中去除钠离子对兔回肠糖吸收的影响。
The effects of removal of sodium ions from the mucosal solution on sugar absorption by rabbit ileum.
作者信息
Naftalin R J, Holman G D
出版信息
Biochim Biophys Acta. 1976 Jan 21;419(2):385-90. doi: 10.1016/0005-2736(76)90365-5.
PMID:1247565
Abstract
Net absorption and accumulation of D-galactose, beta-methyl D-glucose and low concentrations of 3-0-methyl-D-glucose by sheets of rabbit ileum are observed even when Na+ in the mucosal solution is replaced by choline. This indicates that active sugar transport can occur in the direction opposite to the brush-border Na+ gradient.
摘要
即使将黏膜溶液中的Na⁺用胆碱替代，仍可观察到兔回肠片对D-半乳糖、β-甲基-D-葡萄糖和低浓度的3-O-甲基-D-葡萄糖的净吸收和积累。这表明活性糖转运可以朝着与刷状缘Na⁺梯度相反的方向发生。
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