Research Article

Wen-Dan Decoction Improves Negative Emotions in Sleep-Deprived Rats by Regulating Orexin-A and Leptin Expression

Figure 2

Protein expression of orexin-A in hypothalamus. (Tissue sections were viewed at magnification.) The claybank cells, which are positive for orexin-A expression, are oval-shaped and mainly spread throughout the endochylema in hypothalamus. Fewer positive cells are more apparent in the model group and the diazepam- and WDD-treated groups than the control group.
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(a) Control group
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(b) Model group
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(c) Diazepam group
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(d) WDD group