Medical research

Molecular switch for 'exhaustion mode' of immune cells discovered

Tumors and certain viral infections pose a challenge to the human body which the immune system typically fails to handle. In these diseases it switches to a hypofunctional state that prevents adequate protection. However, ...

Genetics

Researchers find genetic cause for fatal response to Hepatitis A

Researchers have identified a genetic mutation that caused an 11-year-old girl to suffer a fatal reaction to infection with the Hepatitis A virus (HAV). The study, which will be published June 18 in the Journal of Experimental ...

Diseases, Conditions, Syndromes

Brain disease kills more than 100 Indian children

More than 100 children in the Indian state of Bihar—home to some of the country's worst health indicators—have now been killed by a brain virus potentially linked to lychees, officials said.

Diseases, Conditions, Syndromes

Taking the 'killer' out of natural killer cells

The virus responsible for chickenpox and shingles employs a powerful strategy of immune evasion, inhibiting the ability of natural killer cells to destroy infected cells and produce molecules that help control viral infection, ...

Diseases, Conditions, Syndromes

Scientists discover how hepatitis C 'ghosts' our immune system

Scientists from Trinity College Dublin have discovered how the highly infectious and sometimes deadly hepatitis C virus (HCV) "ghosts" our immune system and remains undiagnosed in many people. They report their findings today ...

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