A hormone responsible for controlling iron metabolism helps fight off a severe form of bacterial pneumonia, and that discovery may offer a simple way to help vulnerable patients. Hepcidin, is produced in the liver and limits the spread of the bacteria by hiding the iron in the blood that the bacteria need to survive and grow. Stimulating hepcidin production in patients who do not produce it well, such as people with iron overload or liver disease, may help their bodies effectively starve the bacteria to death...
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Therapeutic iron supplements may be less effective when given in brief intervals: A peptide molecule blocks iron absorption in the intestine even 24 hours after the iron administation. Anemia is often the result of an iron deficiency. In such cases the patients, who are typically female, will be prescribed iron supplements to be taken daily.
As soon as iron enters the body, hepcidin production begins in the liver. This tiny protein, which is composed of just 25 amino acid building blocks, then is released into the bloodstream and reaches the intestine, where one of its functions is to regulate the amount of iron absorbed into the body through the cells of the gastrointestinal tract...
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