Word: stems
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...Green pointed out in a Washington Post editorial, “The condom has long been a symbol of freedom and—along with contraception—female emancipation.” As such, many who promote the use of condoms to stem the African AIDS crisis do so not for their efficacy as much as on principle...
...What's going on in Mexico, across the border, in Juarez, requires that we support the government of Mexico in its very valiant, courageous effort to both stem violence and also deal with the drug trafficking organizations." - on working with Mexican officials (CNN April...
...maintain their body's insulin levels. Since their beta cells no longer produce the hormone on their own, patients must supply it themselves with multiple injections throughout the day and night, or using an insulin pump that dispenses insulin automatically through a permanent tube under the skin. Voltarelli's stem cell strategy provides a life-changing alternative that would take the burden off the patient and put it back where it belongs, on the beta cells...
That's the theory. But some experts point out that, in practice, stem cell transplants are not always a home run. For one, transplantation is a grueling and toxic process in which a portion of the body's tissues - the immune system - is destroyed with dangerous radiation. Then, there is the question of timing. In most cases, patients with type 1 diabetes do not show symptoms of their disease - such as high blood sugar levels - until they have depleted their beta cell population considerably. Dr. David Nathan, director of the diabetes center at Massachusetts General Hospital, notes that at this...
Voltarelli's team, however, has managed to show that the stem cells can give long-lasting beta cells a chance to grow - at least ones that can produce insulin for about three years. Other researchers are pursuing intriguing new stem cell options, including stem cells that can be grown from a patient's own skin, which would eliminate the need for extracting immune stem cells from bone marrow. "Every door that we open leads to another door," says Burt. "All research is built by sitting on the shoulders of other studies. This trial is something that will contribute...