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Co-expression of sFRP3 with TrkA and IB4 in DRG neurons. DRG sections from E16.5 and P8 mice were subjected to sFRP3 in situ hybridization (blue) followed by anti-TrkA (brown in A, B) or anti-IB4 (brown in C) immunostaining. Representative double positive cells are indicated by arrows. Scale bar = 100 μm.
