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...researchers concluded that patients who take Celebrex, a prescription drug from Pfizer that was originally designed to treat inflammation in arthritis, are less likely to develop intestinal polyps - abnormal growths that can become cancerous. Now there are dozens of clinical trials of Celebrex, testing, among other things, whether the medication can also prevent breast cancer, delay memory loss or slow the progression of the devastating neurodegenerative disorder known as Lou Gehrig's disease...
Doctors call this generalized response to practically any kind of attack innate immunity. Even the bodies of animals as primitive as starfish defend themselves this way. But higher organisms have also developed a more precision-guided defense system that helps direct and intensify the innate response and creates specialized antibodies, custom-made to target specific kinds of bacteria or viruses. This so-called learned immunity is what enables drug companies to develop vaccines against diseases like smallpox and the flu. Working in tandem, the innate and learned immunological defenses fight pitched battles until all the invading germs are annihilated...
...unclear. But the case for a central role is getting stronger. Dr. Steve Shoelson, a senior investigator at the Joslin Diabetes Center in Boston, has bred a strain of mice whose fat cells are supercharged inflammation factories. The mice become less efficient at using insulin and go on to develop diabetes. "We can reproduce the whole syndrome just by inciting inflammation," Shoelson says...
Over the past few years, researchers have shown that folks who take daily doses of aspirin - which is known to block COX2 - are less likely to develop precancerous growths called polyps. The problem with aspirin, however, is that it can also cause internal bleeding. Then in 2000, researchers showed that Celebrex, another COX-2 inhibitor that is less likely than aspirin to cause bleeding, also reduces the number of polyps in the large intestine...
Asprin for Alzheimer's Disease? When doctors treating Alzheimer's patients took a closer look at who seemed to be succumbing to the disease, they uncovered a tantalizing clue: those who were already taking anti-inflammatory drugs for arthritis or heart disease tended to develop the disorder later than those who weren't. Perhaps the immune system mistakenly saw the characteristic plaques and tangles that build up in the brains of Alzheimer's patients as damaged tissue that needed to be cleared out. If so, the ensuing inflammatory reaction was doing more harm than good. Blocking it with anti-inflammatories...