They were valuable in steadying the heart-beat, and in providing clues to the cause of the heart disease, which might then be treated by conventional methods.

ECONOMIST: Paul Zoll

One example: The gene that makes the Epogen protein is expressed in only a few scattered tissues and is hard to detect by conventional gene-finding methods, which discover genes not by looking at DNA but by examining the RNA messengers that ferry genetic code between the DNA itself and the cellular machinery that make proteins.

FORBES: Biotech Royalty's Tarnished Crown