Doctor Chan says the effects appeared especially strong among patients with tumors expressing an enzyme called COX-2.

VOA: special.2009.09.01

The Royal Swedish Academy of Sciences says it is honoring the researchers for showing how telomeres and the enzyme that makes them protect chromosomes.

VOA: special.2009.12.08

The researchers developed a mixture of chemicals that interfered with the performance of the enzyme.

VOA: special.2010.04.07

Some scientists are studying whether drugs that block the enzyme can help fight cancer.

VOA: special.2009.10.07

But,cell death is delayed if a lot of the enzyme telomerase is produced.

VOA: special.2009.10.07

One form of this enzyme makes the prostaglandin that causes pain and swelling.

VOA: special.2010.12.14

Telomerase is the enzyme in the body that builds the telomeres.

VOA: special.2009.12.08

The weakness is an enzyme called N-myristoyl transferase,or NMT.

VOA: special.2010.04.07

Miz Blackburn and Carol Greider identified the enzyme telomerase.

VOA: special.2009.12.08

Another form of the enzyme creates a protective effect.

VOA: special.2009.10.20

The scientists named the enzyme telomerase.

VOA: special.2009.10.07

He says their research has identified an "Achilles' heel" of the parasite - an enzyme that is needed for the parasite's survival.

VOA: standard.2010.04.05

"The outer layers will slow down the penetration of digestive enzyme into the starch part so that the release of the sugar into the bloodstream will be slow for brown rice in comparison with white rice."

VOA: standard.2010.06.25