Recombinant DNA technology may enable oral, rather than injectable, delivery of protein drugs
...d by stomach acid before they can be absorbed." To sidestep the difficulty of getting these large protein drugs through the GI tract intact, pharmaceutical scientists have looked at other ways to deliver protein-based drugs-such as via needle-free injections or through inhalation. But, these delivery methods ...While on trail of dioxin, scientists pinpoint cancer target of green tea
...e chemicals that protect against cancer would also sidestep questions such as how to take into account different types of teas and different brewing processes, or how much tea one needs to drink. "It's important to find out the source of green tea's protective effects," says Gasiewicz, professor and chair of...Stem cells from brain transformed to produce insulin at Stanford
...ght that human neural stem cells may be one way to sidestep the more problematic embryonic stem cells. The study shows that his intuition was correct. "When you look at islets cells you realize that they resemble neurons," Kim said. Like neurons, islet cells respond to external signals by changing their elec...