Scientists at the University of Liverpool have found how coffee can reduce the risk of alcohol-induced pancreatitis. Pancreatitis is a condition in which the pancreas becomes inflamed, causing severe abdominal pain. It is often triggered by alcohol consumption which causes digestive enzymes to digest part of the pancreas.
Scientists have known for some time that coffee can reduce the risk of alcoholic pancreatitis, but have been unable to determine how. Researchers at the University have now discovered that caffeine can partially close special channels within cells, reducing to some extent the damaging effects of alcohol products on the pancreas.
Professor Ole Petersen and Professor Robert Sutton, from the University's Physiological Laboratory and Division of Surgery, have found that cells in the pancreas can be damaged by products of alcohol and fat formed in the pancreas when oxygen levels in the organ are low. Under these conditions, excessive amounts of calcium are released from stores within the cells of the pancreas. Special organelles, called mitochondria, also become damaged and cannot produce the energiser that normally allows calcium to be pumped out of the cells. The excess calcium then activates protein breakdown, destroying the cells in the pancreas.
Professor Petersen explains: "The primary cause of the build up in calcium ion concentration is movement of calcium ions from a store inside the cells into the cell water through special channels in the store membrane. We have found that caffeine, present in drinks such as coffee can at least partially close these channels. This explains why coffee consumption can reduce the risk of alcoholic pancreatitis. The caffeine effect, however, is weak and excessive coffee intake has its own dangers, so we have to search for better agents.
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