blood clotting agent

Died: Judith Graham Pool, 56, American physician who developed the cryoprecipitate, a blood clotting agent for treatment of hemophilia.

Alcohol appears to raise levels of H.D.L. cholesterol, the so-called "good cholesterol," and to lower levels of blood clotting agents like fibrinogen.

RESEARCHERS at the Hospital of the University of Pennsylvania have used blood clotting agents to develop a "glue" to repair damaged bone and tissue.

In tests reported last year, three patients injected with the gene for Factor IX, the blood clotting agent the patients lack, began producing some clotting factor, reducing the need for injections.

Armour Pharmaceutical is recalling 208 lots of a blood clotting agent distributed for hemophilia patients because of the possibility it could contain the AIDS virus, the Food and Drug Administration said today.

Avigen, a gene therapy company in Alameda, Calif., has improved the condition of dogs with hemophilia B for 20 weeks with a single injection of the gene for Factor IX, the missing blood clotting agent.

Mr. Vincent said he was exposed to the virus that causes AIDS in 1980 or 1981 through a blood clotting agent he had been taking twice a month since he was 16 years old to control internal bleeding.

Medicine is being revolutionised by a host of natural proteins that can be mass-produced by bacteria, ranging from human growth hormone costing $700,000 (£400,000) a kilogram to the blood clotting agent Factor VIII which costs $1 billion per kilogram.

While working as an investigative journalist for Frontline Scotland, she exposed the scandal surrounding the plight of haemophiliacs in Scotland to receive recognition and compensation from the Scottish Executive after they had contracted infections, including HIV, from contaminated blood clotting agents.