Related topics: cells · retina

A simple twist of cell fate

How do a couple of universally expressed proteins in stem cells and developing embryos influence an individual cell's ultimate fate—whether it ultimately becomes, for example, a retinal cell, a heart muscle cell, or a stomach ...

A timekeeper for siesta

Circadian clocks must be flexible and they must be able to adapt to varying environmental conditions. Otherwise, it would be impossible for living beings to change their patterns of activity when the days get shorter again ...

LC10 – the neuron that tracks fruit flies

Many animals rely on vision to detect, locate, and track moving objects. Male Drosophila fruit flies primarily use visual cues to stay close to a female and to direct their courtship song towards her. Scientists from the ...

Scientists model human disease in stem cells

Many scientists use animals to model human diseases. Mice can be obese or display symptoms of Parkinson's disease. Rats get Alzheimer's and diabetes.

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