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. Author manuscript; available in PMC: 2014 Mar 15.
Published in final edited form as: Spine (Phila Pa 1976). 2013 Mar 15;38(6):E325–E331. doi: 10.1097/BRS.0b013e318285b5bb

Figure 2.

Figure 2

CTb (green) and CGRP (red) labeled neurons in the C7 DRG from injury (A,D,G), sham (B,E,H), and normal (C,F,I). (A–C) CTb-labeled neurons are detected in all groups. (D–F) CGRP-labeling identified peptidergic neurons in the C7 DRG. CTb co-localized with neurons that were both positive for CGRP labeling (arrowheads) and that did not express CGRP (arrow) (G–I). Scale bar in (A) is 50μm and applies to all panels. CTb, cholera toxin subunit B; CGRP, calcitonin gene-related peptide; DRG, dorsal root ganglion.