Diseases, Conditions, Syndromes

H5N1 bird flu genes show nature can pick worrisome traits

(Medical Xpress)—In the beginning, all flu viruses came from birds. Over time, the virus evolved to adapt to other animals, including humans, as natural selection favored viruses with mutations that allowed them to more ...

Medical research

Pressurized virus blasts its infectious DNA into human cells

The virus that causes those painful lip blisters known as cold sores has an internal pressure eight times higher than a car tire, and uses it to literally blast its infectious DNA into human cells, scientists are reporting ...

HIV & AIDS

2 stem cell patients stop HIV drugs, no virus seen (Update)

Two HIV-positive patients in the United States who underwent bone marrow transplants for cancer have stopped anti-retroviral therapy and still show no detectable sign of the HIV virus, researchers said Wednesday.

Genetics

Researchers create map of 'shortcuts' between all human genes

Some diseases are caused by single gene mutations. Current techniques for identifying the disease-causing gene in a patient produce hundreds of potential gene candidates, making it difficult for scientists to pinpoint the ...

Diseases, Conditions, Syndromes

'Defective' virus surprisingly plays major role in spread of disease

(Medical Xpress)—Defective viruses, thought for decades to be essentially garbage unrelated to the transmission of normal viruses, now appear able to play an important role in the spread of disease, new research by UCLA ...

Oncology & Cancer

Researchers discover enzyme behind breast cancer mutations

Researchers at the University of Minnesota have uncovered a human enzyme responsible for causing DNA mutations found in the majority of breast cancers. The discovery of this enzyme – called APOBEC3B – may change the way ...

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