News tagged with cell division

Cell division induces tissue ordering

Nature's ingenious systems: A layer of cells called endothelial cells lines the interior of blood vessels. When blood flows through the vessels, such cells only divide to replace dead cells. However, if there ...

Dec 08, 2014
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Throwing a loop to silence gene expression

All human cells contain essentially the same DNA sequence – their genetic information. How is it possible that shapes and functions of cells in the different parts of the body are so different? While every cell's DNA contains ...

Sep 02, 2014
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Key to aging immune system is discovered

There's a good reason people over 60 are not donor candidates for bone marrow transplantation. The immune system ages and weakens with time, making the elderly prone to life-threatening infection and other ...

Jul 31, 2014
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