Tag: "viral" at medical news

Scientists Identify Antibodies That Block Human and Animal SARS Viruses

...n outbreak. "This study is important because the viral strain that caused the outbreak in people in 2002 probably no longer exists in nature," explains Dr. Kanta Subbarao of the National Institute of Allergy and Infectious Diseases (NIAID), whose laboratory verified the efficacy of the anti-SARS antibodi...

Anchoring Lives Aboard Warship: Nimitz

...ore, the soldiers can often overlook symptoms like viral gastroenteritis, but on deployment, preventive mea...he equipment! The latest bug to hit the crew was viral gastroenteritis. Several crew member complained of vomiting for two to three days and noticed bowel ...

New Oncogene for Brain Cancer

... status. Zhang, Fuller and colleagues employed a viral gene transfer delivery agent known as RCAS, which ...of interest and injected into the mouse brain. The viral particles infect only glial cells, where the genes are expressed. This system allows the researche...

Influenza Virus Samples of 1918

... body in the late 1990s, they could recover enough viral RNA to sequence the 1918 strain in its entirety. This remarkable good fortune enabled these scientists to open a window onto a past pandemic--and perhaps gain a foothold for preventing a future one. Discovery and characterization of the 1918 pandem...

First Genetically Engineered Maize Resistant to Maize Streak Virus Produced in S. Africa

...The group at the University of Cape Town mutated a viral gene that encodes a protein that the virus needs t...stant maize will also be tested to ensure that the viral protein is digestible and non-allergenic....

Gene Therapy Eradicates Pancreatic Cancer in Mice

...with the mutant gene delivered via a less-targeted viral promoter driven expression system employing cytomegalovirus (CMV) died within 90 days. However, the VISA-BikDD mice lived longer in both trials, with at least half surviving for 14 months with no detectable sign of cancer recurrence. The researcher...

Researchers Develop First Mouse Model of Lung Transplantation

...n is linked to chronic inflammation from transient viral or bacterial infections, and this can be aggravated by the fact that transplant recipients are taking immunosuppressive drugs, Kreisel said. Mouse models for heart, liver and kidney transplants have existed for years, but developing a similar mode...

Kaposi Sarcoma Arise from Multiple Cells

...ing molecular diagnostic techniques to compare the viral DNA of the tumors, which often contain human herpesvirus 8. The researchers found evidence that nearly 80% of the tumors arose independently from multiple cells. They concluded that few Kaposi sarcoma tumors originate from a single cell and that Kap...

A New Monoclonal Antibody Kills Cancer Cells

...ncer. Most cases of HCC are secondary to either a viral hepatitis infection or cirrhosis of the liver. Despite recent advances, it remains a disease of grim prognosis due to the poorly understood mechanism of how the disease originates and spreads. Most patients live only a short time after diagnosis. Ba...

Understanding HIV Interference With Infected Cell Division

... At the center of this process is the HIV protein, viral protein R (Vpr), which stops infected CD4+T cells ...to harness the infected cells resources to enhance viral replication. The way Vpr exerts this effect is by interacting with cellular proteins that control ce...

Monoclonal Antibody Induces Death in Liver Cancer Cells

...utics, most cases of HCC are secondary to either a viral hepatitis infection or cirrhosis of the liver. Despite recent advances, it remains a disease of grim prognosis due to the poorly understood mechanism of how the disease originates and spreads. Most patients live only a short time after diagnosis. ...

Researchers Develop Tool to Gauge Quality of Life of Hepatitis B Patients

...es Healthcare System. Hepatitis B is caused by a viral infection that can damage the liver and lead to chronic disease. It is contracted most often through contact with infected blood or bodily fluids. According to Spiegel, little research had been done previously on quality-of-life issues for the maj...

Dengue Fever in Singapore Likely to Increase: Minister

... as one of Asia's cleanest. Dengue -- a flu-like viral disease spread by the bite of infected mosquitoes -- is traditionally associated with poorer tropical countries. Infection leads to a sudden onset of fever with severe headaches, muscle and joint pains, and rashes....

HIV Drug Combo can Boost Immune Marker in Long-term Patients: Study

...er the drugs were working. Their benchmark was a viral load -- the number of AIDS viruses in the blood -- of 1,000 and 400 copies per microlitre, whereas the new study sets a far tougher standard of 50 copies or less. The paper is published by The Lancet ahead of a meeting in Sydney from Sunday to July...

Experts Identify Vaccine Target for HIV

...ak, the amount of virus in the blood, known as the viral load, gradually decreases and then levels off, a p...ents do not exhibit symptoms of their disease. The viral load during this levelling out is an indication of how well the patients own immune system is battli...

Scientists Identify Previously Undetected Drug-resistant Forms of HIV

...me sequencing technology that quickly detects rare viral mutations was used during the study. We found th...Healthcare System. These low frequency resistant viral strains are not detectable by current resistance testing methods used in the clinic, he added. Dr....

Memory T Cells Protect the Body from Viruses

... explain how memory T cells protect the body from viral diseases. The research shows lymph nodes are not j... memory cells, known as CD8 T cells, could prevent viral diseases has been debated. The new work by Fox Chase virologist Luis J. Sigal, D.V.M., Ph.D., and hi...

Genetic Variations Leads to Fever After Smallpox Vaccination

... variation, in 19 genes linked to immune response, viral replication or inflammation. They found eight alte...L-1 and IL-18 genes are linked to tissue damage in viral myocarditis, raising the question of whether a more severe complication of smallpox vaccination migh...

Body's Defence Mechanism Against Viral Disease Discovered

...ism whereby "memory" T cells protect the body from viral diseases. Published in the online edition of the P..., the ability of memory cells (CD8T) in preventing viral diseases has been debated. He claims that his team's work provides the basis whereby memory T cells ...

Ramadoss to Discuss Chikungunya With Health Ministers of Nine States Tomorrow

... 400 people have been reportedly affected with the viral disease, even though over 11,000 suspected cases have surfaced in the country. Kerala has so far reported forty deaths from Chikungunya, on Tuesday, 35 fresh cases of the crippling disease surfaced in the State. Over 7000 are admitted in hospitals ...

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