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. Author manuscript; available in PMC: 2015 Jul 1.
Published in final edited form as: Addict Biol. 2012 Dec 24;19(4):562–574. doi: 10.1111/adb.12019

Figure 4.

Figure 4

Effects of cocaine self-administration, extinction, and LFS during extinction on cell proliferation. (Main panel) Quantitative analysis of the number of DAB-labeled Ki-67-immunoreactive cells in the subgranular zone of the dentate gyrus of the hippocampus. (Inset; image presented is at 400x magnification) Photomicrograph of DAB-labeled Ki-67-immunoreactive cells. GCL, granule cell layer; H, hilus. Image is 400× magnification. n = 4–6 each group. Data are expressed as mean ± SEM. *p < 0.05, compared with Group B; #p < 0.05, compared with Group C.