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New Method For Directing And Filming Blood Vessels Developed |
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Friday, 28 March 2008 |
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A new method of filming blood-vessel cells that move in accordance with
targeted signals has been developed by researchers at Uppsala
University in collaboration with researchers at the University of
California. The method can also be used to study how migration of
cancer cells and nerves can be controlled.Formation of new blood cells and lymph vessels takes place with a
number of different diseases.
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Rates of Rare Mutations Soar Three to Four Times Higher in Schizophrenia |
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Friday, 28 March 2008 |
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People with schizophrenia (http://www.nimh.nih.gov/health/topics/schizophrenia/index.shtml)
have higher rates of rare genetic deletions and duplications that
likely disrupt the developing brain, according to studies funded
in part by the National Institutes of Health.
These tiny anomalies were found in 15 percent of adult onset schizophrenia
patients and 20 percent of child and adolescent onset patients,
compared with only 5 percent of healthy participants. Collectively,
the mutations carried by patients were significantly more likely
than those in healthy participants to disrupt genes involved in
brain development — potentially implicating hundreds of genes
in the illness, which affects about 1 percent of adults.
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Ant guts could pave the way for better drugs |
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Wednesday, 26 March 2008 |
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Scientists have discovered two key proteins that guide one of the
two groups of pathogenic bacteria to make their hardy outer shells --
their defense against the world.
The work, they said, could
allow researchers to create new antibiotics against gram-negative
bacteria, like E. coli and salmonella, that would destroy these
bacteria by disabling the mechanism that produces their protective
coating.
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When Should Children With HIV Infection Start On Anti-HIV Medications? |
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Tuesday, 25 March 2008 |
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The advent of effective medications for treating HIV dramatically
improved the outlook for both adults and children infected with HIV who
had access to treatment, but the optimal timing for starting treatment
remains controversial, particularly in children. A debate article in
PLoS Medicine lays out the case for deferred treatment against the case
for early initiation of treatment in children infected with HIV.
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