Gene :: FDA statement on Gene Therapy Clinical Trial

On July_24, 2007 the U.S. Food and Drug Administration (FDA) was informed by Targeted Genetics Corporation of Seattle about the death of a patient who received an investigational gene therapy product in a clinical trial for the treatment of active inflammatory arthritis.

Stem Cell :: Effects of aging in stem cells

In highly purified hematopoietic stem cells from mice aged 2 to 21 months, gene expression analysis indicates a deficit in function, yet an increase in stem cell number with advancing age.

Influenza :: Detecting transmissibility of avian influenza virus in human households

Recent outbreaks of emerging diseases such as SARS and H5N1 avian influenza have underlined the fact that animal pathogens may acquire the ability to spread efficiently in humans ? but as yet have not. Monitoring the transmissibility of pathogens from animals in humans is therefore key for early detection of epidemic spread, and for effective control.

Gene :: Cells take risks with their identities

Biologists have long thought that a simple on/off switch controls most genes in human cells. Flip the switch and a cell starts or stops producing a particular protein. But new evidence suggests that this model is too simple and that our genes are more ready for action than previously thought.

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