نتایج جستجو برای: calcium source
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In teleost fish, as in other vertebrates, calcium is of key importance for numerous physiological processes. The skeleton of vertebrates consists mainly of calcium phosphate and calcium carbonate. It serves an important role as it determines body shape, protective aspects (scales, bone plates) and as a buffer internal reservoir for calcium and phosphorus. In teleosts, ~99% of the whole-body cal...
Activation of the NLRP3 inflammasome enables monocytes and macrophages to release high levels of interleukin-1β during inflammatory responses. Concentrations of extracellular calcium can increase at sites of infection, inflammation or cell activation. Here we show that increased extracellular calcium activates the NLRP3 inflammasome via stimulation of G protein-coupled calcium sensing receptors...
To investigate the relationship between the duodenal outputs of calcium and diseases of the pancreas, we measured calcium secretion into the duodenum (during saline perfusion and after stimulation with an intravenous infusion of cholecystokinin (CCK) or secretin) in healthy controls, patients with chronic alcoholic or idiopathic pancreatitis, and patients with pancreatic cancer. The effects of ...
While the fundamental metabolic function of calcium is to serve as a second messenger, coupling intracellular responses to extracellular signals, nutritional deficiency of calcium is manifested at a higher level of organization: 1) depletion of the calcium nutrient reserve; 2) inadequate complexation of digestive byproducts; and 3) collateral effects of hormones produced primarily to compensate...
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