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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 

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Switching repulsion to attraction: changing responses to slit during transition in mesoderm migration.

Slit is secreted by cells at the midline of the central nervous system, where it binds to Roundabout (Robo) receptors and functions as a potent repellent. We found that migrating mesodermal cells in vivo respond to Slit as both an attractant and a repellent and that Robo receptors are required for both functions. Mesoderm cells expressing Robo receptors initially migrate away from Slit at the midline. A few hours after migration, these same cells change their behavior and require Robo to extend toward Slit-expressing muscle attachment sites. Thus, Slit functions as a chemoattractant to provide specificity for muscle patterning.[1]

References

  1. Switching repulsion to attraction: changing responses to slit during transition in mesoderm migration. Kramer, S.G., Kidd, T., Simpson, J.H., Goodman, C.S. Science (2001) [Pubmed]
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