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influenza at biology news

Computers to be used to find blueprint for new influenza drug

...uce a blueprint of a designer drug that could stop influenza and some other diseases from replicating in humans...rant comes at a time when fears are rising that an influenza outbreak developing from Asian chickens could kill thousands of people. Professor Ian Williams, of ...

Gene Vaccine Protects Mice Against Development Of Her2/neu Breast Cancer

...ontrol?arm received a VRP vaccine thatcontained an influenza protein, and the other two groups received oneof two different doses of the VRP-neu vaccine. Researchers thenimplanted a HER2/neu-positive tumor into mammary tissue in the mice.All of the control mice developed breast cancer but only one mouse ineach...

A comprehensive response to HIV could prevent 10 million AIDS deaths in Africa by 2020

...ontrol?arm received a VRP vaccine thatcontained an influenza protein, and the other two groups received oneof two different doses of the VRP-neu vaccine. Researchers thenimplanted a HER2/neu-positive tumor into mammary tissue in the mice.All of the control mice developed breast cancer but only one mouse ineach...

Studies reveal methods viruses use to sidestep immune system

...e employed by other RNA viruses such as West Nile, influenza and the common cold. "This work has broad implications that go beyond just the hepatitis C virus, and that's what we're most excited about," said Dr. Gale. "It's a battle between viruses and humans. Viruses have co-evolved with their hosts, so every...

NIAID Initiates Trial of Experimental Avian Flu Vaccine

... been relatively few cases worldwide of H5N1 avian influenza infection in humans, the public health community i...ons, such as the elderly and children. H5N1 avian influenza leads to severe disease in both birds and humans. Between January 2004 and March 11, 2005, there wer...

Influenza vaccine uses insect cells to speed development

...p in the development of an experimental cell-based influenza vaccine. They report their findings today at the 2...d chicken eggs. The eggshell is punctured, and the influenza virus is injected into the fluid surrounding the embryo. The egg is then resealed, the embryo become...

Integration of Agilent's MS technology, Proteome Systems' software to help scientists in proteomics research

...t in the study of many diseases, including cancer, influenza and arthritis. Under the agreement, Proteome Systems will make its GlycomIQ software, a comprehensive platform for the mass spectrometric analysis of protein-associated glycans (polysaccharides), compatible with the Agilent XCT, XCT Plus and XCT Ultr...

Fragile US vaccine system needs improvement despite dramatic gains in health over past century

...of childhood vaccines and the recent problems with influenza vaccine are a clear sign of the importance of continuing to improve the system for vaccine development and manufacture," Dr. Orenstein emphasizes. "Manufacturers need to have adequate returns on their investments, healthcare providers need to be fair...

When it comes to cell entry, being average has its advantages

... it is completely engulfed. This is how herpes and influenza viruses get inside cells. The process is believed usually to involve clathrin, a protein that coats the invader to aid in the Velcro-like fastening. Yet scientists have shown that flu viruses can invade cells even without a clathrin coat. Along with...

Enlisting genomics to understand flu evolution

...Lipman, and colleagues examined the genomes of 156 influenza A viruses (serotype H3N2) collected by New York St...ao Y, et al. (2005) Whole-genome analysis of human influenza A virus reveals multiple persistent lineages and reassortment among recent H3N2 viruses. PLoS Biol 3...

Understanding biases in epidemic models important when making public health predictions

... alternative models were compared and data from an influenza outbreak were used to illustrate the potential bias in model predictions. The impact of such differences on predicting the spread of new, highly transmissible diseases could be important to public health workers, said Wearing. Underestimating the tr...

Inhaling large amounts of salt can cause hypertension

... alternative models were compared and data from an influenza outbreak were used to illustrate the potential bias in model predictions. The impact of such differences on predicting the spread of new, highly transmissible diseases could be important to public health workers, said Wearing. Underestimating the tr...

Field of beams - Novel system uses polarized light pulses to reveal crop health

... alternative models were compared and data from an influenza outbreak were used to illustrate the potential bias in model predictions. The impact of such differences on predicting the spread of new, highly transmissible diseases could be important to public health workers, said Wearing. Underestimating the tr...

Virologist finds contagious equine flu in dogs

...virus has been found to jump species. The equine influenza virus, H3N8, was isolated at Cornell's College of ...n dogs, since scientists experimenting with equine influenza use cell lines from canine kidney cells. When Dubovi first received the University of Florida samp...

Bird samples from Mongolia confirmed as H5N1 avian flu

...ponded to initial reports of the most recent avian influenza outbreak in Kovsgol Province near the Russian bord...ing coincided with confirmations of cases of avian influenza in Russia and Kazakhstan. Karesh and Gilbert immediately traveled to the site with a team of Mongoli...

Quantum dots provide a faster, more sensitive method for detecting respiratory viral infections

...esence of at least five major respiratory viruses: influenza A and B, parainfluenza and metapneumovirus, in addition to RSV. This should be fairly straightforward, Wright says. In the current paper, Wright and Crowe demonstrate that they can use two different colors of quantum dots simultaneously. The colored ...

WCS says avian flu prevention should focus on farms, markets

...come into close contact." According to WCS, avian influenza prevention activities should include better manage... the spread of the disease. The outbreak of avian influenza in Mongolia has coincided with confirmations of cases in Russia and Kazakhstan. The initial reports ...

Controlling wildlife trade key to preventing health crises, study says

...eeping potential deadly pandemics such as SARS and influenza from occurring. The study appears in the July edition of the journal Emerging Infectious Diseases. The cost of controlling the spread of diseases afflicting both human and animal populations has reached hundreds of billions of dollars globally. "Few...

Less virulent strains of avian influenza can infect humans

...he first time that a less-virulent strain of avian influenza virus can spread from poultry to humans. The rese...ween 1999 and 2003, to determine the risk of avian influenza virus transmission to persons in contact with the animals. The outbreaks occurred in northern Italy ...

Transplanting Animal Organs Could Soon Be A Reality

...he first time that a less-virulent strain of avian influenza virus can spread from poultry to humans. The rese...ween 1999 and 2003, to determine the risk of avian influenza virus transmission to persons in contact with the animals. The outbreaks occurred in northern Italy ...

First Whole Genome Map of Genetic Variability in Parkinson’s Disease

...he first time that a less-virulent strain of avian influenza virus can spread from poultry to humans. The rese...ween 1999 and 2003, to determine the risk of avian influenza virus transmission to persons in contact with the animals. The outbreaks occurred in northern Italy ...

Eating, body weight regulated by specific neurons

...he first time that a less-virulent strain of avian influenza virus can spread from poultry to humans. The rese...ween 1999 and 2003, to determine the risk of avian influenza virus transmission to persons in contact with the animals. The outbreaks occurred in northern Italy ...

European Commission funds EBI to do new research on synergies between bioinformatics and medical informatics

...he first time that a less-virulent strain of avian influenza virus can spread from poultry to humans. The rese...ween 1999 and 2003, to determine the risk of avian influenza virus transmission to persons in contact with the animals. The outbreaks occurred in northern Italy ...

UW scientists report a new method to speed bird flu vaccine production

In the event of an influenza pandemic, the world's vaccine manufacturers will b...o report a new way to generate genetically altered influenza virus. The lab-made virus - whose genes are manipulated to disarm its virulent nature - can be seed...

Drug resistant avian influenza viruses more common in Southeast Asia than North America

...g amantadine is spreading more rapidly among avian influenza viruses of H5N1 subtype in Southeast Asia than in ...sequence data of the so-called M2 protein of avian influenza viruses of different subtypes isolated in North America and Southeast Asia during 1991-2004; and by ...

Confronting Influenza: Are We Prepared?

...to manage both annual and possible global pandemic influenza outbreaks. World-renowned speakers will inclu...nter of the WHO dealing with the ecology of animal influenza viruses. Discussion topics will include the structure of the influenza viral proteins and the r...

Volunteers sought for avian flu vaccine study

...e to infection from avianinfluenza, as the current influenza vaccines do not protect against thisnew strain of ...ve occurred. Identified as H5N1, the strain of the influenza virus has shown a high mortality rate - approximately 72 percent - with many fatalities among previo...

On a wing and a prayer - Alaska researchers seek clues to bird flu

...lly in Alaska, following recent outbreaks of avian influenza in Southeast Asia and, last week, in Siberia. Ala...determine how many are infected and how strains of influenza virus jump from one species to another. Wild birds are the natural hosts of many influenza viral st...

Preventing a pandemic: Study suggests strategies for containing a flu outbreak

...ble to contain a Southeast Asian outbreak of avian influenza in humans, buying precious time for the production...ially cause a massive pandemic. "There were three influenza pandemics in the 20th century alone. The threat of another pandemic, related to avian influenza, is ...

Agricultural workers at increased risk for infection with animal flu viruses

...ious Diseases. "Pigs play a role in transmitting influenza virus to humans," says NIAID Director Anthony S. F...ltaneously infected with both a human and an avian influenza virus, genes from these viruses could reassemble into a new virus that could be transmitted to and c...

Science's Breakthrough of the Year: Watching evolution in action

...- how does evolution actually work in the world of influenza genes and chimpanzee genes and stickleback fish armor? Studies that follow evolution in action claim top honors as the Breakthrough of the Year, named by Science and its publisher AAAS, the nonprofit science society. In 2005, scientists piled up n...

New possibilities for flu antiviral and vaccine research emerge from 'Spanish flu' virus

...o lethal, thus providing essential information for influenza drug and vaccine research. The research appears ...t would work against virulent pandemic or epidemic influenza viruses," said Tumpey. "Science is publishing this study because it provides information necessary ...

First big influenza genome study reveals flu evolution

...nstitute for Genomic Research (TIGR) have captured influenza evolution in action. In a study published in this ...port the first large-scale project to sequence the influenza virus. The study offers a unique snapshot of the rapidly evolving flu virus in a human population--a...

Shorter colds, milder flu may follow from newly revealed immune mechanism

...n recovery from respiratory viral inflections like influenza or the common cold, which at present have no pharmacological cure. CCL5's role was discovered while Holtzman's group was testing mice that had respiratory infections. They found that the sick mice produced massive amounts of CCL5--about a hundred t...

Johns Hopkins flu expert calls for mandatory vaccination of health care workers

...f, more than 30 percent, believed they could catch influenza from the vaccine itself, which is false. Perl a...n be viewed as a means of protecting patients from influenza exposure and the related mortality seen among vulnerable populations. Vaccination should be presente...

New U. of Colorado at Boulder flu chip may help combat future epidemics, pandemics

...t can determine the genetic signatures of specific influenza strains from patient samples within hours may help...s new technology should help provide better global influenza surveillance by making it easier for more laboratories to swiftly identify severe flu strains, which...

Wild birds help to create human flu vaccine

...ngolia to be used in development of human pandemic influenza vaccineAvian influenza virus samples collected from wild birds in Mongolia by field veterinarians from the New York City-ba...

Expert dispels bird flu paranoia

...s is extremely low," Dr Doneley said. "The avian influenza virus, like most other viruses and bacteria) is destroyed by adequate heating or cooking." ...

Web model of influenza-host lifecycles will aid scientists in creating anti-viral drugs

...y" map linking the myriad interactions between the influenza virus and its human host will help guide researche...is intended to teach scientists about parts of the influenza lifecycle they might not be familiar with, and to help researchers look at specific reactions and fi...

Duke to test bird flu vaccine dosing

...ent strengths of a vaccine designed to fight avian influenza will begin this month at Duke University Medical Center. The Duke study is part of a multicenter trial that will test a modified form of an investigational bird flu vaccine to determine whether the vaccine still triggers a strong immune response at ...

Simple idea to dramatically improve dengue vaccinations

...of physics and astronomy. "With diseases like HIV, influenza and Dengue, our acquired immune system's tendency to go-with-what-it-knows can leave us more vulnerable to infection from a mutant strain or a related virus. The immune system may respond less favorably in these cases than if it had never been expose...

H5N1 avian flu virus vaccine induces immune responses in healthy adults

...rate that high doses of an experimental H5N1 avian influenza vaccine can induce immune responses in healthy adu...ll cultures rather than grown in eggs. H5N1 avian influenza viruses are of enormous concern to public health officials worldwide. The potential for a human avia...

UW scientists unravel critical genetic puzzle for flu virus replication

Like any other organism, an influenza virus's success in life is measured by its genetic...p strategies to cope with the prospect of an avian influenza pandemic. "We've found that the influenza virus has a specific mechanism that permits it to packag...

Cell barrier shows why bird flu not so easily spread among humans

... 100 people have been infected with the H5N1 avian influenza virus, mostly from close contact with infected pou... of avian influenza. Periodically, animal forms of influenza such as bird flu evolve to become highly contagious human pathogens. Most scientists agree a pandem...

Anthrax inhibitor counteracts toxin, may lead to new therapeutics

...s for a variety of pathogens and toxins, including influenza and HIV," says Kane. The researchers tested their pattern-matching strategy by designing a polyvalent inhibitor for cholera toxin, demonstrating that this approach also could be used successfully to enhance the potency of polyvalent inhibitors direc...

Potential vaccine developed for deadly leishmaniasis disease

...vant into one package. The delivery vehicle is an influenza virosome ?the empty envelope of the influenza virus. These flu virus shells contain none of the infectious genetic material in full-fledges flu vi...

New influenza vaccine takes weeks to mass produce

...cing effective vaccines against potential pandemic influenza strains in weeks instead of the months required fo...sible for the production of hemagglutinin from the influenza virus and inserting them into a baculovirus. Specific host cells are then infected with the baculovi...

Study outlines genetic differences between potential pandemic influenza strains

An analysis of H5N1 influenza samples in Southeast Asia shows not only how the t...5N1 candidates with the potential to cause a human influenza pandemic is getting more genetically diverse, which makes studying the virus more complex and height...

Minor mutations in avian flu virus increase chances of human infection

The H5N1 avian influenza virus, commonly known as "bird flu," is a highly c...the journal Science. Receptor specificity for the influenza virus is controlled by the glycoprotein hemagglutinin (HA) on the virus surface. These viral HAs bin...

Avian influenza virus in mammals spreads beyond the site of infection to other organ systems

... Center have demonstrated systemic spread of avian influenza virus in cats infected by respiratory, digestive, ...ology and is accompanied by a commentary. Avian influenza (H5N1) is of great concern because of the current outbreaks in Asia and the potential for pandemic s...

How can we protect patients with weakened immune systems from influenza?

...isease. In addition to the yearly toll of ordinary influenza (as many as 36,000 annual fatalities in the U.S.),...es on the basic question of who benefits most from influenza vaccine," said Dr. Sullivan. "This question becomes paramount if influenza reaches epidemic proporti...

Avian flu transmission to humans may be higher than thought

...ith confirmed outbreaks of highly pathogenic avian influenza (HPAI) in poultry, subtype H5N1. The researchers included 45,478 randomly selected people in the district to answer screening questions about exposure to poultry and flu-like illnesses (defined as a combination of cough and fever). The study was pe...

Scientists identify molecular structure of key viral protein

...ins associated with enveloped viruses such as HIV, influenza virus and the paramyxoviruses -- have two dramatic...s huge numbers of deaths worldwide. And while HIV, influenza and SARS are not in the same family, the viruses do share a mechanism similar to that used by paramy...

Avian flu modeled on supercomputer, explores vaccine and isolation options for thwarting a pandemic

...tions about the possible future course of an avian influenza pandemic, given today's environment of worldwide c...model examines the nationwide spread of a pandemic influenza virus strain, such as an evolved avian H5N1 virus, should it become transmissible human-to-human. Th...

UGA study explains peaks and troughs of dengue epidemics

...n type of framework," Rohani said. "Now with avian influenza being very much on everyone's mind, we're beginning to realize that the genetic diversity of infectious agents is really important." ...

Scientists aim to thwart use of flu as bioweapon

... talk on the roles of specific types of T-cells in influenza will be at 1:30 p.m. Friday, June 23, at the Rochester Marriott Airport Hotel on West Ridge Road. The lecture is free and open to the public. During the symposium Thursday and Friday, University of Rochester experts in mathematics, statistics, immun...

High-dose flu vaccines appear to safely boost immunity in elderly

High-dose influenza vaccines may increase elderly patients' immune res...rchives journals. Vaccines containing inactivated influenza virus have been available for 50 years to prevent flu and its complications, according to background...

H5N1 vaccine could be basis for life-saving stockpile

...ars ago against one antigenic variant of the avian influenza virus H5N1 may protect humans against future varia...are known to be an excellent and accurate model of influenza infection and immune response in humans," said Elena Govorkova, Ph.D., a staff scientist in the Depa...

Scientists to employ Arctic ice and polar bears to protect diversity of world's crops

...ars ago against one antigenic variant of the avian influenza virus H5N1 may protect humans against future varia...are known to be an excellent and accurate model of influenza infection and immune response in humans," said Elena Govorkova, Ph.D., a staff scientist in the Depa...

New bird flu drug promises to beat the problem of resistance

... they have discovered into a new kind of antiviral influenza drug. The search for an alternative flu drug has... the full extent of resistance ?the ability of the influenza virus to withstand drug treatments - becomes more widely understood. Both Tamiflu and Relenza, the...
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(Date:1/7/2009)...ement by Lois Aronstein, AARP NY State Director: ,...dress put forth recommendations on a number of iss...ncial security of New Yorkers of all ages. , , AA...he Family Health Plus Program to 200 percent of th...additional New Yorkers eligible for coverage. A f...
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