Abstract
Our lab showed that the Wnt family proteins can function as axon guidance molecules and the planar cell polarity (PCP) pathway mediates the function of Wnts in axon guidance. One of the key evidences was by identifying the axon guidance defects in knockout or conditional knockout animals. We utilized a variety of axon tracing and labeling techniques, including immunohistochemistry (IHC), DiI, BDA, and fluorescent reporters (GFP or tdTomato). These studies have primarily been conducted in spinal cord commissural axons, but have been applied to retinal ganglion cell axons, corticospinal tract axons, dopaminergic and serotonergic projections.
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