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How HIV Infection Kills Brain Cells
A potent neurotoxin produced by a complex interaction of signals from non-neuronal brain cells may be the cause of the development of dementia due to the death of neurons in the brain.
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Persistent Infection Impairs The Immune System
Scientists have identified persistent infection as the major factor accounting for impaired T cell responses observed in certain infectious diseases, autoimmune disorders and cancers.
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Gene Associated With Susceptibility To Common Form Of Stroke
Scientists have identified a gene that is associated with susceptibility to stroke.
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Gene Sequences Of Two Parasites That Cause Schistosomiasis
Two groups report on the sequencing and analysis of most of the genes found in two of the parasites that cause schistosomiasis, a significant cause of morbidity and mortality in the developing world.
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Therapeutic Cloning In Parkinsonian Mice
In the first example of therapeutic cloning for treating a brain disorder, scientists have used dopamine neurons derived from cloned mouse embryonic stem (ES) cells to treat mice with a Parkinson-like condition.
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Cell Suffocation May Cause Cancer Spread
Starving tumour cells of oxygen may trigger their spread to other bodily organs.
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Unhelpful Hedgehogs Cause Cancer
High levels of a protein known as Sonic hedgehog (SHH) may trigger certain forms of digestive tract tumour.
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