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"We identified new human antibodies genital herpes that inactivate influenza, not just bird flu, but any of the seasonal influenza viruses that affect us in the winter," said zosyn antibiotic researcher Dr. "These antibodies do not replace the flu vaccine," Marasco said. Centers for Disease Control and Prevention have more genital herpes on the flu.. Resistance develops because a drug targets gliclazide the large head of the flu virus, but the virus is able to quickly mutate, making it resistant to medications and vaccines, Marasco explained.

The antibodies effectively blocked the ability of the virus to enter other cells. Antivirals new antibiotics 2009 generally antibiotics are given to prevent a virus after exposure or to treat a virus once it develops. Abie Palese, chairman of the microbiology department at Mount Sinai School of Medicine in New York City and author of an accompanying journal editorial, is cautious about buy flonase online the immediate clinical tetracycline implications of this finding.

In their research, Marasco and his colleagues identified 10 monoclonal antibodies amoxicillin antibiotic strep throat that can bind with a protein in flu viruses that is needed to allow the virus to enter other cells. "This finding promises that there is a way to develop a universal influenza vaccine," he said. What works in a test tube doesn't always work in the body.

Scientists tetracycline antibiotics acne May Have New Way to Fight the Flu

 -- A new scientific discovery 

could someday lead to medications antibiotic to fight the flu as well as a vaccine that would not have to be prozac weekly reviews changed every year because it could target a broad range of flu strains. Such drugs would be used in the same way antiviral medications, such as Tamiflu, are used today. valacyclovir In addition, the researchers sho that the antibodies protected mice from getting the N5N1 avian flu, which many scientists believe could cause a worldwide flu pandemic. The next step is to test the antibodies in ferrets, which are commonly used to test new influenza treatments. "But the exciting part is, this gives us a new zithromax approach to vaccine development.

The antibodies recognize a new part of the influenza virus and inactivate the virus by a new mechanism, Marasco said, "so it's really a new target, new mechanism, new human antibodies."

Antibodies can be used as drugs, he noted, adding that drugs derived 

from antibodies are commonplace in treatment for such cancers as colon, breast and lymphoma. online pharmacy Marasco said that drugs using these antibodies could be in human clinical trails as guillermo as 2011. More importantly, they were effective against a number of com seasonal flu buy antibiotics online without prescription strains as well. But the newly identified antibodies attack the stem of the virus, which is more resistant to change and "does not change amongst the various influenza viruses," he said. Malcolm Siegel, an associate professor of medicine at New York University zovirax School of Medicine in New York City, also stressed that the effectiveness of the approach needs to be proven in people. Drugs developed from the newly identified antibodies could, in combination with other treatments, prevent or treat certain avian and seasonal flu strains and could also lead to the development of a long-lasting flu vaccine, the researchers said. "These flu antibodies can be developed into fully human antibody drugs that could be used in the clinic," Marasco said.

That's why there is a new seasonal flu vaccine every year, he said. propecia online This is a new area that is highly conserved, and the viruses do not appear to easily undergo change in their genetic code to escape the antibodies directed against them."

If a vaccine could be developed to target this area in the virus, he 

said, it might offer long-term protection. The antibodies are effective against about half of currently known flu strains, but the approach could be used to find additional antibodies that could work against the others, he said. The last flu pandemic occurred in 1918, killing an estimated 40 million people worldwide and 500,000 in the United States alone. Marasco, an associate professor of medicine at Harvard Medical School yasmin ahmad kosmo online and the Dana-Farber Cancer Institute. "Passive immunity is not a primary treatment in a pandemic," Siegel said. We don't know that these antibodies will actually work."

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"Another problem is, we don't know if it works. "If one could also make a vaccine, one would have a universal vaccine."

But Palese noted that any drug or vaccine using antibodies would have to be better than what is currently available. The study is published in the online edition of Nature Structural and Molecular Biology. This year, however, the commonly circulating H1 strains of the influenza virus are resistant to Tamiflu. "If you have an antibody that is effective against several viruses, it could be theoretically used as a passive immunization," Palese said. The new monoclonal antibodies were also effective against the 1918 flu strain, Marasco said.