Jiang Tang Xiao Ke (JTXK) granule, a Chinese herbal formula, has been used clinically to treat type 2 diabetes (T2DM) for decades. Our previous studies showed that JTXK granule exhibited anti-diabetic and anti-oxidative functions in experimental diabetic rats induced by a high fat diet and streptozotocin. However, the underlying mechanisms remain poorly understood. Herein, we aimed to investigate the therapeutic effect of JTXK granule on T2DM KKAy mice and the possible associations with skeletal muscle in the current study. Our results showed that JTXK granule significantly reduced food intake and body weight in T2DM KKAy mice. JTXK granule treatment also decreased the blood glucose and HbA1c levels and increased the insulin sensitivity in a time-dependent manner. Additionally, it ameliorated hyperlipidaemia and induced a lower free fatty acid level, displaying an effect on disorders of lipid metabolism. JTXK granule significantly increased the expression of insulin receptor substrate-1 (IRS-1), phosphoinositide 3-kinase (PI3K), protein kinase B (PKB/Akt) and glucose transporter 4 (Glut4) and decreased the expression of glycogen synthase kinase 3β (GSK3β). We concluded that JTXK granule is an effective drug for T2DM through regulating the PI3K/Akt signalling pathway in skeletal muscle.
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Oxid Med Cell Longev
January 2022
College of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China.
The Jiang Tang Xiao Ke (JTXK) granule is a classic Chinese herbal formula that has been put into clinical use in the treatment of type 2 diabetes mellitus for decades. However, whether its ability to ameliorate skeletal muscle insulin resistance (IR) is through modulation of the AMPK/SIRT1/PGC-1 signaling pathway remains unknown. Therefore, we aimed to investigate the effects of JTXK granules on IR in skeletal muscle of high-fat diet-induced diabetic mice and C2C12 cells and analyze the underlying mechanisms.
View Article and Find Full Text PDFFront Pharmacol
March 2020
College of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China.
Objective: To investigate the impact of JTXK granule on the miRNA expression profiles in hepatic tissue of diabetic mice, and to explore the molecular targets and associated signaling pathways of JTXK granule in its anti-diabetic effect.
Methods: Eight mice were randomly selected as normal group fed with chow diet. Then high fat diet was used to induce diabetic model, and the mice were subsequently divided into JTXK-treated group (J group, = 6) and model group (M group, = 6).
Iran J Basic Med Sci
March 2019
Beijing University of Chinese Medicine, Beijing, 100029, China.
Objectives: JiangTangXiaoKe (JTXK) granule, a Chinese traditional herbal formula, has been clinically used and demonstrated to be beneficial in controlling high glucose and to relieve the symptoms of Type 2 diabetes mellitus patients for decades. In this study, we explored how loganin, one of the components in JTXK granule, mediated the anti-diabetic effect.
Materials And Methods: We generate a cell model with the dysfunction of insulin secretion by over-expression FOXO1 in INS-1 cells.
J Tradit Chin Med
August 2018
Diabetes Research Center, Beijing University of Chinese Medicine, Beijing 100029, China.
Objective: To observe the effect of Jiangtang Xiaoke (JTXK) granule on endoplasmic reticulum (ER) stress in high fat diet (HFD)-induced type 2 diabetes mellitus (T2DM) KK-Ay mice.
Methods: KK-Ay mice were fed with HFD to induce the T2DM model, while normal control C57BL/6J mice were given standard feed. Fasting blood glucose (FBG) in all mice was measured weekly and oral glucose tolerance tests (OGTTs) were performed at 4 and 10 weeks after start of treatment to determine glucose metabolism.
Front Pharmacol
November 2017
Diabetes Research Center, Beijing University of Chinese Medicine, Beijing, China.
To investigate the effect of JTXK granule on the expression pattern of miRNA in pancreatic tissue of KKAy diabetic mice, and to explore the molecular mechanism and pathways of JTXK granule in anti-diabetic effect. We used high fat diet (HFD) to induce the KKAy diabetic mice and screened the differentially expressed miRNAs (DEMs) between JTXK-treated group ( = 6) and the diabetic group ( = 6) using MicroRNA (miRNA) Microarray. C57BL/6J mice were given a normal diet as the control group ( = 6).
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