Molecular aspects of tight junction barrier function.

Molecular aspects of tight junction barrier function.
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DOI:
10.1016/j.coph.2014.07.017
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发表时间:
2014-12
影响因子:
4
通讯作者:
Weber, Christopher R.
Weber, Christopher R.
中科院分区:
医学3区
文献类型:
--
作者:
Liang, Guo Hua;Weber, Christopher R.

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In complex multicellular organisms, epithelia lining body cavities regulate absorption and secretion of ions, organic molecules, and water. Proper function of epithelia depends on apically and basolaterally situated ion channels as well as tight junctions which seal the apical intercellular space. Without tight junctions, transepithelial concentration gradients of ions and nutrients would be dissipated through the paracellular space. Elevated tight junction permeability is a feature of many diseases of multiple organs, including the gastrointestinal tract, kidney, and lungs. In the intestines, epithelial barrier dysfunction is a major contributor to diarrhea and malnutrition and is associated with significant morbidity and mortality worldwide.
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