Research Article

Kamishoyosan Alleviates Anxiety-like Behavior in a Premenstrual Syndrome Rat Model

Figure 4

Effects of a 5-HT1A receptor inhibitor, WAY-100635 (WAY), on the anxiolytic-like effect of KSS in the EPM test of PWD rats. (a) The time spent in the enclosed arms and (b) the number of entries in the enclosed arms. WAY was intraperitoneally injected when KSS (1000 mg/kg) was orally administered 60 min before the EPM test. Values indicate the mean ± S.E.M. (, ). The vehicle group, n = 8; the KSS1000 mg/kg group, n = 8; and the WAY + KSS 1000 mg/kg group, n = 8. KSS, Kamishoyosan; EPM, elevated plus maze; PWD, progesterone withdrawal; and 5-HT, serotonin.
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