Extracts of compound Muniziqi granule suppressed uterus contraction and ameliorated oxytocin-induced primary dysmenorrhea

Journal of Ethnopharmacology
Yue WeiChanghong Wang

Abstract

Compound Muniziqi granule (CMG) is usually used as a traditional Uighur medicine to treat acne, chloasma, skin inflammation, primary dysmenorrhea (PDM), and menopausal syndrome. However, there are no sufficient data to support the clinic uses of CMG in PDM. This work aims to examine the effect of CMG as a treatment for PDM and reveal its possible therapeutic mechanism. In vivo and in vitro mouse PDM models were utilized in this study. The mouse uterine contraction was induced by oxytocin after progynova or estradiol benzoate pretreatment. CMG, alkaloid extracts from seeds of Peganum harmala (AEP), and 10% and 95% ethanol extracts from seeds of Nigella glandulifera (EEN10 and EEN95) were given to mice in three doses by gavage. The writhing times within 30 min after oxytocin treatment were recorded to evaluate the analgesic effect, and the glutathione peroxidase (GSH-Px), malondialdehyde (MDA), 6-keto-prostaglandin F1α (6-k-PGF1α), prostaglandin F2α (PGF2α), thromboxane B2 (TXB2), and nitric oxide (NO) levels in uterine tissues and PGF2α and MDA in serum were determined. The effects (contractile curve) of CMG, AEP, EEN10, and EEN95 on uterus contraction induced by oxytocin in isolated mouse uterus were recorded. In contrast to th...Continue Reading

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