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Science News Archive May 2007 - Page 20


Page 20 of 20

'Wrapping' Gleevec fights drug-resistant cancer

A new study finds that the re-engineered Gleevec variant WBZ-7 is effective against both drug-resistant and nonresistant gastrointestinal cancer cells. The wrapping prototype seals out water molecules from a critical area, preventing resistance to the drug, and demonstrates promising results in laboratory studies.

SourceRice University·JournalCancer Research·DateMay 1, 2007

Urbanization favors sedentary males

A study on European blackbirds found that urbanization favors sedentary males, with those exhibiting lower migratory disposition having an earlier onset of reproductive season. This is due to the advantages of sedentariness and earlier territory establishment for males in terms of reproductive success.

SourceEcological Society of America·JournalEcology·DateMay 1, 2007

Assumption of function not always correct

Researchers discovered that protein RecQ takes on opposite functions in E. coli compared to yeast and humans, highlighting the need for considering both possibilities when studying protein roles in disease. The study found three forms of RecQ associated with cancer syndromes in humans, while its function in E. coli promotes cell death.

SourceBaylor College of Medicine·JournalMolecular Cell·DateMay 1, 2007