1.   Amgen and Genentech have both developed genetically engineered versions of a protein that acts earlier in the development of blood cells.

2.   Activase is a genetically engineered version of the naturally occurring hormone tissue plasminogen activator, or t-PA.

3.   But the drug goes largely undetected because scientists have yet to develop a reliable test to differentiate naturally occurring EPO from the genetically engineered version of the hormone.

4.   Coulter works in the closely related area of monoclonal antibodies, which are engineered versions of proteins the immune system uses to fend off bacteria or viruses.

5.   Natrecor is a genetically engineered version of a protein secreted by a failing heart.

6.   That could mean a variety of other applications for a genetically engineered version of leptin.

7.   The drug is Protropin, a genetically engineered version of human growth hormone made by Genentech Inc. that can make some short children grow taller than they otherwise would.

8.   The drug, osteoprotegrin or OPG, a genetically engineered version of a naturally occurring human protein, appears to regulate bone mass, according to Amgen.

9.   The first biochemical treatment for sepsis, Xigris is a genetically engineered version of a natural human protein.

10.   Those are engineered versions of the proteins the body uses to fight off germs and are given intravenously.