Tag: "influenza" at biology news

Media advisory: CDC flu update teleconference

...r this telebriefing WHO: Dr. Keiji Fukuda, CDC influenza expert WHAT: Dr. Fukuda will provide an update on influenza and vaccine issues. Brief remarks followed by media Q/A. WHEN: Friday, December 21, 2001; 1 2 P...

CDC Flu Update Teleconference

WHO: Dr. Carolyn Bridges, CDC influenza expert WHAT: Dr. Bridges will provide an update on influenza and influenza vaccine issues. Brief remarks followed by media Q/A. WHEN: Friday, December 7, ...

Scientists find hidden piece of influenza virus

...entists have labored under the assumption that the influenza virus comprises only 10 protein molecules that for...edicine researchers report finding a new, "hidden" influenza virus protein. This protein may kill immune system cells that fight the virus, thereby contributing...

Researchers identify pathogen-specific gene response in human immune cells

... a set of genes that attracts neutrophils; however influenza virus was not able to activate these genes. These kind of results allowed the authors to conclude that the dendritic cell plays an important role as a messenger in the bodyit senses infections in the bodys tissues and carries instructions to the imm...

A small genetic change makes flu virus deadly

A tiny change in one of the influenza viruss 10 genes is key to making certain strains o...ue of Science. This discovery helps explain why an influenza outbreak four years ago in Hong Kong killed an unusually high proportion of the people it infected -...

Slight molecular tweak, and flu virus becomes a killer

... the virus responsible for a brief but frightening influenza outbreak in Hong Kong several years ago can quickl...of the virus known to scientists as Hong Kong H5N1 influenza A, was reported today, Sept. 7, in Science magazine, the nation's leading scientific journal. Using ...

Scary study: Selenium deficiency causes flu virus to mutate into more dangerous forms

...logically, and the mice were infected with a human influenza virus. A report on the discovery appears in ...dequate intake of selenium boosts damage caused by influenza viruses. "We believe our latest findings are both important and potentially disturbing because...

ASM journals tipsheet: May 2001

...per respiratory tract of mice to protect them from influenza virus infection. The bacteria were administered ... received the treatment had one tenth the level of influenza virus in their nasal cavities and a survival rate more than four times greater than those who did no...

Scientists: nutritional deficiency can boost influenza virus damage

...selenium, a trace mineral, boosts damage caused by influenza viruses. Working with others at the USDA's Agricu...osed both groups of mice to a mild strain of human influenza virus known as Influenza A Bangkok. Rodents consuming too little selenium developed significantly mo...

Tipsheet: April journals of the American Society for Microbiology

...Influenza treatment may enable resistance The influenza virus may be developing resistance to a drug recen... been approved for the prevention and treatment of influenza in Japan, but had been widely used for years to treat symptoms of Parkinson's disease and other neur...

New egg-free flu vaccine called promising for those with egg allergy

...resents the newest and most successful approach to influenza vaccine development in 50 years," says Otfried Kis... body to generate antibodies to fight off invading influenza strains. The Centers for Disease Control and Prevention (CDC) creates a new vaccine each year based ...

Infections may trigger autoimmunity via rare, but normal process

... a transgenic mouse that incorporates an important influenza gene into its DNA, so that the flu gene becomes se...results in the appearance of several dangerous new influenza strains each year. The researchers then immunized the transgenic mice with influenza virus. The resu...

Hepatitis C drug overwhelms virus with flood of mutations - surprising mechanism may improve anti-viral treatments, UCSF study finds

...y and immunology. RNA viruses like HIV and the influenza virus use a naturally high mutation rate to avoid and escape most treatments and vaccines, Crotty explained. "These viruses are incredibly clever. They use mutations to get around almost anything. But we now see that ribavirin adds so many extra mu...

Scientists find infection history must play key role in vaccine development

...that mice which have been previously infected with influenza do not suffer the characteristic symptoms of RSV - weight loss, illness and lung eosinophilia - when they are subsequently infected with RSV. (See Notes to Editors 1 - 4). What we have found is that one viral infection in the lung profoundly change...

Experts to share biotech future world

...inpoint accuracy to treat infectious diseases from influenza to AIDS on a patient-to-patient basis. Monitoring Cancer Treatments: Tissue microarray technology, so far replacing microscope slide tests in 100 laboratories in the world, will help clinicians get 9,000 different analyses of 1,000 tissue samples at...

DNA-based flu vaccine raises protective immunity

...lly engineered and tested a single-dose, DNA-based influenza vaccine in mice that could serve as a template for... C3d to the hemagglutinin (HA) glycoprotein of the influenza virus. For purposes of comparison, two other DNA vaccines were also constructed based on a secreted ...

Biota to develop new influenza drug/Relenza® has positive results in high-risk patients

...lcome rights to develop and market worldwide a new influenza drug based on inhibition of the viral neuraminidas...s first generation flu drug, in over 500 high-risk influenza patients, including those with asthma and chronic lung disease. The study, which will be published s...

Decoy cells attract, disarm viruses before infection occurs

...creases. The nanodecoys successfully inhibited one influenza virus from infecting cells in laboratory testing, according to Esfand. They are now being tested in mice. We hope that in the near future we will be able to use this strategy for more complex systems, Esfand says. Instead of targeting the virus, we w...

Oral exposure to anti-oxidant glutathione could help prevent flu infections

...dant compound, could help prevent infection by the influenza virus if administered directly to the tissues lini...ups of mice with a mouse-adapted strain of a human influenza virus. The mice that had been given drinking water containing glutathione had a significant decreas...

Emerging infectious diseases of wild animals are a threat to biodiversity and human health, according to new report

...s that can be extremely virulent among humans. The influenza virus, for example, causes pandemics in humans fol...es of nucleic acid sequences have shown that avian influenza can be transmitted directly from birds to humans. Potential non-human primate reservoirs for HIV-1 a...

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