Specialized brain activation “replays” the possible routes that rats can take as they navigate a space, helping them keep track of the paths they’ve already taken and choose among the routes that they can take next, according to a National Institutes of Health-funded study published in the journal Neuron. “These findings reveal an internal ‘replay’ […]
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New evidence for coordinated hedgehog and Wnt pathway activation in appendage regeneration
Researchers have made a significant new discovery concerning the signaling mechanisms that enable newts to regrow their tails after injury. Specifically, this process is shown to require the coordinated activation of the Hedgehog (Hh) and Wnt pathways. The study is published in Stem Cells and Development. Mary G. Garry, Daniel J. Garry, and colleagues from […]