1.   Before long, company scientists were pulling apart the natural Epo protein to understand what made it tick.

2.   It is the first of a new class of drugs called human B-type natriuretic peptide, a natural protein the heart produces.

3.   Leptin is a genetically recombined version of a natural human protein.

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

5.   Until now, scientists have improved natural proteins by making specific changes to them, a process called protein engineering.

6.   Wheat gluten is the natural protein portion of wheat that is extracted after wheat is milled into flour.

7.   A natural protein that suppresses cancers may also help regulate aging, says a study that suggests mice age faster if the protein is overactive.

8.   Andersen said the scientists also tested the samples for the response to gamma interferon, a natural protein that enhances immunity.

9.   But they also found nicastrin plays a fundamental role in natural protein synthesis early in life.

10.   Many point to overproduction of natural protein fragments called amyloid-beta, which form clumps in the brains of patients.