1.   Omeprazole works differently, inhibiting the enzyme that pumps acid out of gut cells regardless of what stimulates acid production.

2.   Another drug, Celebrex, marketed by Pfizer Inc., inhibits an enzyme that plays a key role in pain and inflammation.

3.   All the drugs that either inhibit the enzyme or raise serotonin in some other way carry labels warning that they must not be used together.

4.   It echoed a raft of other investigations, and research on rodents suggests that aspirin may inhibit an enzyme needed to synthesize chemicals that may stimulate tumor growth.

5.   It continues to shorten with each cell division until it finally becomes so short that it is not binding enough proteins to inhibit the enzyme that lengthens the telomeres.

6.   Neuraminidase on cell membranes allows the virus to escape, he said, so inhibiting the enzyme blocks the virus and checks the infection.

7.   Phentermine inhibits an enzyme, monoamine oxidase, that normally breaks down serotonin.

8.   Tetracyclines inhibit enzymes that soften and break down cartilage.

9.   The drug inhibits an enzyme that may play a role in regulating metabolism.

10.   The drugs inhibit an enzyme needed for HIV to reproduce but they all do so in different ways.