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Tag: "transfusions" at biology news

Risk of lymphoma increases with hepatitis C virus infection

...ticularly a history of injection drug use or blood transfusions received before 1990, when screening for hepatitis C virus was started. ...

Transfusion expert urges wider use of filtered blood

...tion, millions of people today are still receiving transfusions that might needlessly be harmful to them. The sing...e at this time is to mandate leukoreduction of all transfusions through its regulatory power." Blumberg's group reviewed approximately 520 abstracts and nine pub...

Better assessment of transfusions could save blood

...nts receive a large number of red blood cell (RBC) transfusions in order to restore proper hemoglobin levels. New ...hor of the report. The expected benefit of RBC transfusions is an increased oxygen level, which prevents cellular injury. However, studies have not consistently...

Putting an old drug to a new use

... Excess iron also accumulates after repeated blood transfusions and can cause organ failure over time. Günter Weiss, a clinician from the Innsbruck Medical University, and his collaborators from the University of Heidelberg and EMBL now found out that nifedipine, a substance commonly used to control blood pressur...

Antibody signal may redirect inflammation to fuel cancer

...hots of the immunoglobulin antibody, or even blood transfusions from someone with precancerous tissue could trigger cancer progression in a recipient. ...

Molecular 'on/off switch' controls immune defenses against viruses

...fection transmitted by intravenous drug use, blood transfusions and sexual contact. It affects 4 million U.S. residents and is the nation's leading cause of cirrhosis and liver cancer. In 2005 Dr. Gale and his team completed several breakthrough studies on hepatitis C, discovering that the RIG-I protein binds...

A transplant in time

...eases, when they exist, may consist of risky blood transfusions or expensive enzyme replacement therapy. But what if the body could be induced to begin producing these proteins, say by transplanting healthy tissue with the abilities that are lacking? Prof. Yair Reisner and Ph.D. student Anna Aronovich of the Wei...

Prion find points way to test for human 'mad cow' disease

...variant Creutzfeldt-Jakob disease (vCJD) via blood transfusions and organ transplants, the scientists suggest. Done in hamsters, the experiments are the first ever to biochemically detect the malformed proteins during the "silent phase" of the disease--just weeks after the animals were infected and months before...

Researcher studies, treats military with 'silent disease'

...ypically transmitted through IV drug use and blood transfusions that were given before 1990 because a good screening tool wasn't available prior to then. The servicemembers Sjogren treats most often report that they contracted it through blood products because they were transfused at an earlier time or because th...

Ocean virus identified in human blood samples

...dies to Vesivirus. In persons who previously had transfusions or dialysis, and who then developed hepatitis of unknown cause ?meaning it was not caused by known hepatitis types A through E ?47 percent had antibodies to Vesivirus. In separate tests that looked for actual virus in the blood, rather than antibo...

Bones from blood: Scientists aim to break new ground on fractures

...ord blood banked in Europe, and currently used for transfusions and treating leukaemia. Biologist Dr Paul Genever, who is co-ordinating the project, said: "The mesenchymal stem cells (MSCs) in cord blood appear similar to bone marrow stem cells but they are hard to locate. We aim to isolate and expand them so we...

UCLA scientists discover immune response to HIV differs, even in identical twins

...ly after their 1983 births in Los Angeles by blood transfusions administered from the same donor at the same time. Infected with the same strain of the virus, the twins continue to live in the Los Angeles area and grew up exposed to the same environmental forces. Yet their T-cell receptors (TCR) reacted differen...

Discovery Promises Simpler Therapy for Sickle Cell Disease

...on, he added. In patients who become anemic, blood transfusions replenish the red blood cell supply in the body. The team further found that differences among patients in their ability to process nitric oxide in the blood correspond to the severity of their disease symptoms. That result might explain a long-stan...

Studies reveal methods viruses use to sidestep immune system

...tted primarily through intravenous drug use, blood transfusions or blood products, as well as through sexual contact and is the leading cause of cirrhosis and liver cancer. UT Southwestern Medical Scientist Training Program (MSTP) student Eileen Foy was an author on all three papers. MSTP student Rhea Sumpter an...

Leukemia Drug Breakthrough Study In New England Journal Of Medicine

...ent of MDS patients are anemic and require regular transfusions of red cells. In this study, 91 percent of the MDS patients with a chromosome abnormality named 5q minus syndrome became transfusion independent. The defective 5q chromosome abnormality may be linked to other serious cancers, including leukemias and ...

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