A Neuronal piRNA Pathway Inhibits Axon Regeneration in C. elegans.

  title={A Neuronal piRNA Pathway Inhibits Axon Regeneration in C. elegans.},
  author={Kyung Won Kim and Ngang Heok Tang and Matthew G Andrusiak and Zilu Wu and Andrew D. Chisholm and Yishi Jin},
  volume={97 3},
The PIWI-interacting RNA (piRNA) pathway has long been thought to function solely in the germline, but evidence for its functions in somatic cells is emerging. Here we report an unexpected role for the piRNA pathway in Caenorhabditis elegans sensory axon regeneration after injury. Loss of function in a subset of components of the piRNA pathway results in enhanced axon regrowth. Two essential piRNA factors, PRDE-1 and PRG-1/PIWI, inhibit axon regeneration in a gonad-independent and cell… CONTINUE READING
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