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Brain's Development Affected by Partnership of Genes

by Kathy Jones on February 14, 2011 at 7:28 PM
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 Brain's Development Affected by Partnership of Genes

The visual system of the fruit fly is only able to develop correctly, when two genes work together, scientists report in the scientific journal Nature Neuroscience. The genes are in charge of producing the proteins "Golden Goal" and "Flamingo".

These two proteins are located at the tip of a growing axon, where they are believed to gather information about their environment from the surrounding tissue. The actions of these two proteins enable nerve cells in a number of ways to find their way in the brain and recognize their target area. The study showed that chaos results if only one of the genes is active, or if there is a mismatch in the genes' activity: the axons cease to grow somewhere along the way and never reach their target area.

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"We assume that very similar mechanisms play a role also in other organisms - including humans", explains Takashi Suzuki, lead author of the study. "We are now a good way into understanding how to manipulate the cells in such a way that they are certain to reach their target area." This knowledge would be an important foundation for eventual therapies of developmental disorders based upon a misguided growth of nerve cells. The knowledge may also help in the guidance of regenerating nerve cells back to their old connection sites.



Source: Eurekalert
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