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. 2021 Jul 14;14:657064. doi: 10.3389/fnmol.2021.657064

FIGURE 7.

FIGURE 7

PPI network analysis of differentially expressed proteins with and without chronic nicotine and withdrawal. PPI networks were constructed as described for Figure 6. (A) The top three clusters are shown for MC vs. FC in the VTA of C57BL/6J mice used for chronic nicotine administration. (B) Two clusters were identified for FN vs. FC in the VTA after chronic nicotine administration and withdrawal.