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. Author manuscript; available in PMC: 2012 Dec 24.
Published in final edited form as: Prog Brain Res. 2006;152:265–274. doi: 10.1016/S0079-6123(05)52017-X

Figure 2.

Figure 2

Over-expression of nerve growth factor (NGF) in lumbosacral spinal levels augments calcitonin gene-related peptide (CGRP)+ afferent fiber sprouting 2 weeks post injury. Photomicrographs showing CGRP+ staining in S1 spinal segments injected with adenovirus expressing control green fluorescent protein (GFP Adts - left column) or NGF Adts (right column). Note the robust CGRP+ afferent fiber sprouting throughout the S1 injection site in response to NGF over-expression compared to GFP controls. Scale bars = 100 µm.