High-fat diet, microbiome-gut-brain axis signaling, and anxiety-like behavior in male rats.

In the rostral aspect of the dorsal raphe nucleus, dorsal part (rDRD), values approached significance [ F (11, 1713.8) = 1.9; p = 0.05; Fig. 4 a], and no difference was shown in the rDRD in the compiled analysis (Fig. 4 b).

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