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Science News for July 20, 2008


Discovery of a mechanism that regulates cell movement

A study reveals a mechanism that controls cell adhesion and movement in tissues, which may be defective in diseases like cancer. The research found that the amount of adhesive protein E-Cadherin is controlled by its trafficking inside cells.

SourceInstitute for Research in Biomedicine (IRB Barcelona)·JournalNature Cell Biology·DateJul 20, 2008
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The genetics of the white horse unraveled

A study by Uppsala University has identified the genetic mutation responsible for white horses' coats and found a link to an increased risk of melanoma. The dominant Greying with age mutation is shared among Grey horses, suggesting a common ancestor lived thousands of years ago.

SourceUppsala University·JournalNature Genetics·DateJul 20, 2008

Class of antibiotics can enhance gene-silencing tool

Emory University researchers have discovered that fluoroquinolone antibiotics can enhance the effectiveness of RNA interference, a gene-silencing technique, in laboratory settings. The most powerful enhancer was enoxacin, which has been used to treat bacterial infections.

SourceEmory Health Sciences·JournalNature Biotechnology·DateJul 20, 2008

Stem cell chicken and egg debate moves to unlikely arena: the testes

A team of scientists at the Salk Institute found that specialized testis niche cells in fruit flies originate from adult stem cells. This breakthrough has implications for regenerative medicine, aging research, and cancer therapeutics. The study suggests that once a fly becomes an adult, some stem cells can replace their supporting nic...

SourceSalk Institute·JournalNature·DateJul 20, 2008
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