Cassia mimosoides L. decoction improves non-alcoholic fatty liver disease by modulating the pregnane X receptor

IF 4.8 2区 医学 Q1 CHEMISTRY, MEDICINAL
Jian Zhao , Yanhua Zhong , Qingyin Huang , Zhisen Pan , Yi Zheng , Deyu Miao , Siqi Liu , Penglong Chen , Changhui Liu , Min Liu , Chuangpeng Shen
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引用次数: 0

Abstract

Ethnopharmacological relevance

Cassia mimosoides L. (CML) is a traditional Chinese medicine (TCM), which is frequently used in the clinical practice of TCM in the Lingnan region of China for the treatment of obesity. However, it is not clear whether decoction of cassia seeds has beneficial effects on non-alcoholic fatty liver disease (NAFLD).

Objectives

This study investigates the effect of CML on NAFLD and its underlying mechanisms.

Materials and methods

The high-fat diet (HFD) was used to induce NAFLD mice, and 40 male C57BL/6J mice were divided into Control, HFD, and CML groups (CML-low 1.5 g/kg, CML-medium 2.25 g/kg, CML-high 4.5 g/kg). The mouse primary hepatocytes (MPHs) of wild type (WT) and PXR−/− mice were induced using OAPA and divided into Control, OAPA, and CML groups (10 mg/L, 100 mg/L). Glycolipid metabolism, inflammation, and oxidative stress levels were detected in vivo and in vitro.

Results

Compared to the HFD group, the CML groups demonstrated reduced body weight, triglycerides, total cholesterol, blood glucose, and mRNA levels of the lipid metabolism genes Srebp-1c and ACC1 in mice (p < 0.05 or 0.01). The ELISA results indicated that CML inhibited the production of IL-1β, IL-6, and TNF-α (p < 0.05). Furthermore, CML increased the SOD level (p < 0.01) to improve oxidative stress. RNA-seq expression showed that CML suppressed the transcriptional level of pregnane X receptor (PXR)(p < 0.05). In vitro experiments, the protective effect of CML against OAPA-induced lipid accumulation and inflammation observed in WT MPHs disappeared in PXR−/− MPHs (IC50: 1.04 mg/mL).

Conclusion

CML decoction ameliorates NAFLD mainly by inhibiting the PXR signaling pathway, which provides a theoretical basis for the broad application of CML in clinical practice.

Abstract Image

决明子汤通过调节妊娠X受体改善非酒精性脂肪肝。
民族药理学相关性:Cassia mimosoides L. (CML)是一种中药,在中国岭南地区的中医临床实践中经常用于治疗肥胖。然而,决明子煎剂对非酒精性脂肪肝(NAFLD)是否有有益作用尚不清楚。目的:探讨慢性粒细胞白血病对NAFLD的影响及其潜在机制。材料与方法:采用高脂饲料(HFD)诱导NAFLD小鼠,将40只雄性C57BL/6J小鼠分为对照组、HFD组和CML组(CML-低组1.5 g/kg, CML-中组2.25 g/kg, CML-高组4.5 g/kg)。用OAPA诱导野生型(WT)和PXR-/-小鼠原代肝细胞(MPHs),分为对照组、OAPA组和CML组(10 mg/L、100 mg/L)。在体内和体外检测糖脂代谢、炎症和氧化应激水平。结果:与HFD组相比,CML组小鼠体重、甘油三酯、总胆固醇、血糖和脂质代谢基因Srebp-1c和ACC1 mRNA水平均降低(p < 0.05或0.01)。ELISA结果显示,CML可抑制IL-1β、IL-6、TNF-α的产生(p < 0.05)。CML可提高SOD水平(p < 0.01),改善氧化应激。RNA-seq表达结果显示,CML抑制妊娠X受体(PXR)转录水平(p < 0.05)。在体外实验中,CML对oapa诱导的WT MPHs的脂质积累和炎症的保护作用在PXR-/- MPHs中消失(IC50: 1.04 mg/mL)。结论:CML汤主要通过抑制PXR信号通路改善NAFLD,为CML在临床的广泛应用提供了理论基础。
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来源期刊
Journal of ethnopharmacology
Journal of ethnopharmacology 医学-全科医学与补充医学
CiteScore
10.30
自引率
5.60%
发文量
967
审稿时长
77 days
期刊介绍: The Journal of Ethnopharmacology is dedicated to the exchange of information and understandings about people''s use of plants, fungi, animals, microorganisms and minerals and their biological and pharmacological effects based on the principles established through international conventions. Early people confronted with illness and disease, discovered a wealth of useful therapeutic agents in the plant and animal kingdoms. The empirical knowledge of these medicinal substances and their toxic potential was passed on by oral tradition and sometimes recorded in herbals and other texts on materia medica. Many valuable drugs of today (e.g., atropine, ephedrine, tubocurarine, digoxin, reserpine) came into use through the study of indigenous remedies. Chemists continue to use plant-derived drugs (e.g., morphine, taxol, physostigmine, quinidine, emetine) as prototypes in their attempts to develop more effective and less toxic medicinals.
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