1.   Also, scientists have shrunk tumors by blocking the protein with drugs.

2.   Another new drug in development focuses specifically on allergy-induced asthma by blocking a protein in the body that turns on an allergic response.

3.   Blocking the protein should allow cells weakened by other cancer drugs to commit a type of cell suicide known as apoptosis.

4.   Agents could block the protein and normalize cell activity.

5.   Immunex applied the concept to block a protein that causes destruction of the joints.

6.   Its drug Enbrel, a copy of a protein healthy bodies makes, can block other proteins that mistakenly attack the joints.

7.   Ramipril belongs to a class of drugs, ACE inhibitors, that relax blood vessels by blocking a protein known as angiotensin-converting enzyme.

8.   The drug blocks that protein.

9.   The molecule blocks a protein, called a protective antigen, that normally ferries the anthrax inside.

10.   Vertex is working with Novartis to find eight drugs that block kinase proteins.