In 2004 biotech firm Amgen (nasdaq: AMGN - news - people ) began trials of a Parkinson's drug called glial cell line-derived neurotrophic factor, or GDNF.
Some lawmakers have talked of passing new legislation to nullify Judge Lamberth's ruling and clarify that stem-cell research derived from embryos is allowed.
Earlier this week, Honda produced the first commercial hydrogen fuel-cell vehicles, which will rely on natural gas-derived hydrogen for fuel and will be leased for use in Los Angeles.
Scientists found however, that feeder cells and serums derived from other animal cells introduced disease-causing agents that compromised the quality of the cell lines.