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Why do some influenza virus subtypes die out?

Every so often we hear about a new strain of influenza virus which has appeared and in some cases may sweep across the globe in a pandemic, much as the H1N1 virus did last year. What happens to the old...

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New technology sheds light on viruses

(Phys.org) -- Diagnostic tests that rapidly detect disease-causing viruses in animals and humans are being developed by U.S. Department of Agriculture (USDA) scientists using a new technology called...

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Scientists discover way to detect low-level exposure to seafood toxin in...

(Phys.org) -- NOAA scientists and their colleagues have discovered a biological marker in the blood of laboratory zebrafish and marine mammals that shows when they have been repeatedly exposed to low...

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Quest for edible malarial vaccine leads to other potential medical uses for...

(Phys.org) —Can scientists rid malaria from the Third World by simply feeding algae genetically engineered with a vaccine? That's the question biologists at UC San Diego sought to answer after they...

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New Synthetic Molecules Trigger Immune Response to HIV and Prostate Cancer

(PhysOrg.com) -- Researchers at Yale University have developed synthetic molecules capable of enhancing the body’s immune response to HIV and HIV-infected cells, as well as to prostate cancer cells....

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Safe clearance of salmonella

Individuals with an intact complex gut flora are more likely to clear Salmonella after an infection than individuals with an altered, less complex gut flora. This is suggested by results from a mouse...

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Selective tumor treatment: β-galactosidase releases active agent from prodrugs

(Phys.org)—One of the largest challenges of chemotherapy lies in the fact that cancer cells must be killed while healthy tissue must be protected. French researchers have now introduced a new approach...

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Cats and humans suffer from similar forms of epilepsy

Epilepsy arises when the brain is temporarily swamped by uncoordinated signals from nerve cells.  Research at the Vetmeduni Vienna has now uncovered a cause of a particular type of epilepsy in cats....

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Helper cells aptly named in battle with invading pathogens

By tracking the previously unknown movements of a set of specialized cells, Whitehead Institute scientists are shedding new light on how the immune system mounts a successful defense against hostile,...

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Researchers study selenium's effects on horses

For a new study in the Journal of Animal Science, researchers evaluated how different levels of selenium affect the immune system of adult horses. According to the researchers, the effects of selenium...

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Food allergies: A new, simple method to track down allergens

Although food allergies are common, sufferers often don't know exactly what in foods cause their allergic reactions. This knowledge could help develop customized therapies, like training the body's...

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Researchers capture images of the elusive protein HIV uses to infect cells

HIV is adept at eluding immune system responses because the protein it uses to infect cells is constantly changing.

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New class of synthetic molecules mimics antibodies

(Phys.org)—A Yale University lab has crafted the first synthetic molecules that have both the targeting and response functions of antibodies.

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Study shows transfer of immunity over two generations in pigeons

(Phys.org)—(Phys.org)—A team of researchers with Sorbonne Universités and Prédictive CEREEP-Ecotron Ile-De-France has found that grandmothers of pigeon chicks are somehow able to transfer immunity to a...

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Antibodies in breast milk help newborn mice tolerate good gut microbes

From the moment of birth, a newborn's gut is colonized by a diverse array of microbes that aid digestion and boost immunity. But it has not been clear how the newborn's immune system learns to tolerate...

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Biochemists' discovery could lead to vaccine against 'flesh-eating' bacteria

Biochemists at the University of California San Diego have uncovered patterns in the outer protein coat of group A Streptococcus that could finally lead to a vaccine against this highly infectious...

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Technique tricks bacteria into generating their own vaccine

Scientists have developed a way to manipulate bacteria so they will grow mutant sugar molecules on their cell surfaces that could be used against them as the key component in potent vaccines.

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B cells use mechanical forces to pull antigens from other cell surfaces

Francis Crick Institute scientists have discovered that immune cells called B cells use mechanical forces to physically pull antigens such as viruses or toxins from the surfaces of other cells.

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Discovering the early age immune response in foals

Researchers at the College of Veterinary Medicine have discovered a new method to measure tiny amounts of antibodies in foals, a finding described in the May 16 issue of PLOS ONE.

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Breakthrough enables screening millions of human antibodies for new drug...

A paper just published in Nature Biotechnology outlines a pioneering method of screening a person's diverse set of antibodies for rapid therapeutic discovery. Antibody proteins are an important part of...

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