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Archive: 04/13/2009

SIRT1 takes down tumors

Yuan et al. have identified another anti-cancer effect of the "longevity" protein SIRT1. By speeding the destruction of the tumor promoter c-Myc, SIRT1 curbs cell division. The study will be published online ...

Biology / Cell & Microbiology

created Apr 13, 2009 | popularity 4.6 / 5 (5) | comments 0

Racial disparities persist in the treatment of lung cancer

Black patients suffering from lung cancer are less likely to receive recommended chemotherapy and surgery than white lung cancer patients, a disparity that shows no signs of lessening. That is the conclusion of a new study ...

Medicine & Health / Cancer

created Apr 13, 2009 | popularity not rated yet | comments 2

HIV pays a price for invisibility

Mutations that help HIV hide from the immune system undermine the virus's ability to replicate, show an international team of researchers in the April 13 issue of the Journal of Experimental Medicine. The study was publis ...

Medicine & Health / HIV & AIDS

created Apr 13, 2009 | popularity 3.7 / 5 (3) | comments 1

When cancer cells can't let go

Like a climber scaling a rock face, a migrating cancer cell has to keep a tight grip on the surface but also let go at the right moment to move ahead. Chan et al. reveal that the focal adhesion kinase (FAK) ...

Medicine & Health / Cancer

created Apr 13, 2009 | popularity 3 / 5 (1) | comments 0

Scientists demonstrate laser with controlled polarization

Applied scientists at the Harvard School of Engineering and Applied Sciences (SEAS) in collaboration with researchers from Hamamatsu Photonics in Hamamatsu City, Japan, have demonstrated, for the first time, ...

Physics / Optics & Photonics

created Apr 13, 2009 | popularity 3.8 / 5 (16) | comments 3