1.   Many biotech companies are not yet profitable, as they continue to pour money into research and trials.

2.   Several biotech companies are following the same line of research.

3.   Several biotech companies went public this year.

4.   Already, however, a Boston-area biotech company has obtained an option to license the method exclusively from DFCI.

5.   Already, fewer venture capital companies are investing in new biotech companies, despite record levels of venture capital investment this year.

6.   Although an increasing number of biotech companies are reaching the market, most are still developing products and operating in the red.

7.   Although the meetings are intended to inform doctors about new therapies and studies, they can make or break the stocks of biotech companies developing new drugs.

8.   Although the University of California at San Francisco has spawned dozens of biotech companies, so far none has landed in the city.

9.   Although the University of California at San Francisco has spawned dozens of biotech companies, so far none have landed in the city.

10.   Among the Nature contributing authors is a team from Cereon Genomics LLC, a Cambridge, Mass. biotech company.