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Rats were subjected to unpredictable chronic stress and isolation-induced depression, and were then intragastrically perfused with Jieyu No.1 decoction or amitriptyline water solution for 21 consecutive days. Open-field test showed that Jieyu No.1 decoction and amitriptyline water solution significantly improved the abnormal behaviors of the depressed rats; it reduced plasma surfactant protein, corticosterone, and corticotropin releasing hormone levels, increased neuropeptide Y and somatostatin levels, and upregulated interleukin-1β, -2, -6 protein expression in the hippocampal CA3 region. Somatostatin and interleukin-1β protein expression were negatively correlated with corticosterone level, and interleukin-1β protein expression was negatively correlated with corticotropin releasing hormone level. Results demonstrated that Jieyu No.1 decoction improved abnormal behaviors of depressed animals by regulating the function of the neuroimmunoendocrine system.
Rats were subjected to unpredictable chronic stress and isolation-induced depression, and then then intragastric perfused with Jieyu No.1 decoction or amitriptyline water solution for 21 consecutive days. Open-field test showed that Jieyu No.1 decoction and amitriptyline water solution significantly improved the abnormal behaviors of the depressed rats; it reduced plasma surfactant protein, corticosterone, and corticotropin releasing hormone levels, increased neuropeptide Y and somatostatin levels, and upregulated interleukin-1β, -2, -6 protein expression in the hippocampal CA3 region. Somatostatin and The results showed that negatively correlated with corticosterone level, and interleukin-1β protein expression was negatively correlated with corticotropin releasing hormone level.