Making Connections (IMAGE)

Cincinnati Children's Hospital Medical Center

Making Connections

Caption

This cross section image of the coronal brain region of a genetically mutant PlexA1 mouse shows evidence cortico motor-neuron cells eight days after researchers injected an altered rabies virus tracer into the animal's forelimbs. These connections are eliminated in normal wide mice as they mature. Scientists studying motor disabilities report in Science they blocked nerve pruning in the developing mutant mice, maintained these connections to adulthood.

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Cincinnati Children's

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