Physiological Implications of Transepithelial Carboxylic Acid Absorption and Regulation by Slc26a6
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چکیده
منابع مشابه
Volatile carboxylic acid profiling in physiological fluids.
Many inborn errors of metabolism are characterized by an increase in the concentrations of various carboxylic acids in blood and urine. For example, the metabolic disorders propionic acidemia [ 11, methylmalonic aciduria [ 2,3], maple syrup urine disease [4], isovaleric acidemia [ 41 and glutaric aciduria type II [ 5,6] show increased amounts of volatile carboxylic acids in blood or urine. Proc...
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Transepithelial fluid and salt re-absorption in epithelial tissues play an important role in fluid and salt homeostasis. In absorptive epithelium, fluid and salt flux is controlled by machinery mainly composed of epithelial sodium channels (ENaC), cystic fibrosis transmembrane conductance regulator (CFTR), Na⁺/H⁺ exchanger (NHE), aquaporin, and sodium potassium adenosine triphosphatase (Na⁺/K⁺-...
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SLC26A6 (CFEX, PAT1) is an anion exchanger expressed in several tissues including renal proximal tubule, pancreatic duct, small intestine, liver, stomach, and heart. It has recently been reported that PKC activation inhibits A6-mediated Cl/HCO(3) exchange by disrupting binding of carbonic anhydrase to A6. However, A6 can operate in HCO(3)-independent exchange modes of physiological importance, ...
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Hydrochloric acid (HCl) secretion assists protein digestion by activating pepsinogen to pepsin, renders the stomach sterile against orally-ingested pathogens, prevents bacterial or fungal overgrowth of the small intestine, encourages the flow of bile and pancreatic enzymes, and facilitates the absorption of a variety of nutrients, including folic acid, ascorbic acid, beta-carotene, non-heme iro...
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ژورنال
عنوان ژورنال: Biophysical Journal
سال: 2015
ISSN: 0006-3495
DOI: 10.1016/j.bpj.2014.11.2514