Department of Biology, College of Science, University of Nawroz, Duhok, Kurdistan Region, Iraq.
Department of Biology, College of Science, University of Zakho, Duhok, Kurdistan Region, Iraq.
Expert Rev Endocrinol Metab. 2024 Jul;19(4):377-384. doi: 10.1080/17446651.2024.2334218. Epub 2024 Mar 25.
The effects of pomegranate juice (PJ) and its components on uterine smooth muscle are unknown. Hence, this study unequivocally demonstrates that pomegranate juice (PJ) significantly impacts myometrial function, providing crucial insights into its relaxant properties and their potential therapeutic applications for uterine-related disorders.
Rat uterine smooth muscle horn strips were suspended in Krebs solution organ baths. Contractions were measured isometrically using a transducer (AD instrument Australia). The effects of PJ were evaluated on contractile activity elicited by potassium chloride (KCl 60 Mm) depolarization. Inhibitors of nitric oxide (L-NAME 3 X 10), guanylate cyclase (methylene blue 1 X 10), and Prostaglandin I (indomethacin 3 X 10), as well as Potassium Channels blockers, were determined.
The juice at concentrations from 1.5-5 mg/ml significantly decreased the rat uterine horn contraction induced by KCl. The NO, cGMP, and PGI inhibitors did not block the relaxation response. Furthermore, the PGI inhibitor significantly enhanced the relaxation effects; K channel blockers had no inhibitory effects on the relaxation responses. Contrarily, GLIB improved considerably relaxation.
Research suggests pomegranate juice's active ingredient may reduce uterine contractions and treat uterotonic disorders, potentially preventing preterm birth and dysmenorrhea. Further research is needed to determine its mechanism of action.
Code: AEC-013.
石榴汁(PJ)及其成分对子宫平滑肌的影响尚不清楚。因此,本研究明确表明,石榴汁(PJ)显著影响子宫平滑肌的功能,为其松弛特性及其在与子宫相关的疾病中的潜在治疗应用提供了重要的见解。
将大鼠子宫平滑肌角条悬挂在 Krebs 溶液器官浴中。使用换能器(AD 仪器澳大利亚)等速测量收缩。评估 PJ 对氯化钾(KCl 60mM)去极化引起的收缩活性的影响。测定了一氧化氮(L-NAME 3X10)、鸟苷酸环化酶(亚甲蓝 1X10)和前列环素 I(吲哚美辛 3X10)抑制剂以及钾通道阻滞剂的作用。
浓度为 1.5-5mg/ml 的果汁可显著降低 KCl 诱导的大鼠子宫角收缩。NO、cGMP 和 PGI 抑制剂不能阻断松弛反应。此外,PGI 抑制剂显著增强了松弛作用;钾通道阻滞剂对松弛反应没有抑制作用。相反,GLIB 大大改善了松弛作用。
研究表明,石榴汁的有效成分可能会减少子宫收缩,治疗子宫收缩性疾病,可能预防早产和痛经。需要进一步研究其作用机制。
AEC-013。