Electrophysiologic Analysis of Tight Junction Size and Charge Selectivity
نویسندگان
چکیده
منابع مشابه
Claudin extracellular domains determine paracellular charge selectivity and resistance but not tight junction fibril architecture.
Tight junctions (TJs) regulate paracellular permeability across epithelia and vary widely in their transepithelial electrical resistance (TER) and charge selectivity. The claudin family of transmembrane proteins influences these properties. We previously reported that claudin-4 increased TER approximately 300% when expressed in low-resistance Madin-Darby canine kidney (MDCK) II cells and decrea...
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-related Tight Junction Events
The molecular mechanisms by which Ca 2 1 and metal ions interact with the binding sites that modulate the tight junctions (TJs) have not been fully described. Metal ions were used as probes of these sites in the frog urinary bladder. Basolateral Ca 2 1 withdrawal induces the opening of the TJs, a process that is abruptly terminated when Ca 2 1 is readmitted, and is followed by a complete recove...
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The tight junction is an important subcellular organelle which plays a vital role in epithelial barrier function. Claudin, as the integral membrane component of tight junctions, creates a paracellular transport pathway for various ions to be reabsorbed by the kidneys. This review summarizes advances in claudin structure, function and pathophysiology in kidney diseases. Different claudin species...
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ژورنال
عنوان ژورنال: Current Protocols
سال: 2021
ISSN: 2691-1299,2691-1299
DOI: 10.1002/cpz1.143