钙离子对大鼠空肠切片转运长链脂肪酸的影响。
The effect of calcium ions on long chain fatty acid transport by slices of rat jejunum.
作者信息
Munday K A, Parsons B J, York D A
出版信息
J Physiol. 1970 Dec;211(3):517-26. doi: 10.1113/jphysiol.1970.sp009290.
Abstract
- There is a large increase in palmitic acid uptake by rat jejunum slices when incubated in the presence of calcium. This effect is observed at both 37 and at 0 degrees C.2. The presence or absence of calcium in the incubation medium does not affect triglyceride synthesis from absorbed fatty acid.3. The release of synthesized triglyceride from the tissue into the medium is increased by calcium.4. The probability that calcium transport and long chain fatty acid transport may be interrelated at both the brush border and at the basal and lateral membranes of the intestinal mucosal epithelial cell is discussed.
摘要
当在有钙存在的情况下孵育时，大鼠空肠切片对棕榈酸的摄取大幅增加。在37摄氏度和0摄氏度时均观察到这种效应。
孵育培养基中钙的存在与否不影响由吸收的脂肪酸合成甘油三酯。
钙可增加合成的甘油三酯从组织释放到培养基中的量。
讨论了在肠黏膜上皮细胞的刷状缘以及基底膜和侧膜处钙转运与长链脂肪酸转运可能相互关联的可能性。
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