11.   Looking further ahead, he said, knowledge of the transposon may one day help researchers to develop gene therapies.

12.   Patents, for them, are the means to make money off their investment and probably the quickest way to develop therapies.

13.   Researchers are developing new therapies for HIV and are using them in a number of combinations.

14.   Researchers are finding that it often has a physical basis, and drug companies are right behind them, developing therapies.

15.   The aim of his research was to develop therapies to block the progress of infections once they begin and strategies for immunizations to prevent them in the first place.

16.   The company can also develop gene therapies, like its heart drug.

17.   The finding could help scientists in their long-term quest to develop effective therapies to treat the virus or perhaps even a vaccine to prevent infection.

18.   The real challenge, he said, is to develop a therapy for people who have been infected for a long time.

19.   Tuberculosis, one of the deadliest of infectious diseases, was common earlier this century, until effective drug therapy was developed.

20.   Vogelstein is widely known for his work on unraveling the genetics of colon cancer cells, and developing a therapy is a departure from his usual work.