Rockefeller University

How sperm get into the zona

Before it can fertilize an egg, a sperm has to bind to and bore through an outer egg layer known as the zona pellucida. Despite decades of research, some of the biological mechanisms behind this process remain ...

Jun 16, 2014
5 / 5 (1) 0

Aging cells unravel their DNA

Senescent cells, which are metabolically active but no longer capable of dividing, contribute to aging, and senescence is a key mechanism for preventing the spread of cancer cells. A study in The Journal of ...

Dec 16, 2013
5 / 5 (1) 0

Tracking down the origin of leukemia relapse

The cancer cells that reign during relapses of an aggressive human leukemia are different from those that dominated the original disease, according to a paper published online on April 4 in the Journal of Experimental Me ...

Apr 04, 2011
5 / 5 (2) 0