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- 저자 : Juei-Tang Cheng (검색결과 4 건)
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Merit of Ginseng in the Improvement of Insulin Resistance
Cheng, Juei-Tang The Korean Society of Ginseng 2010 Journal of Ginseng Research Vol.34 No.3
In the present review, the merit of ginseng in the improvement of insulin resistance has been introduced. Using the results in previous studies, we found that ginseng or ginsenoside Rh2 has the ability to reduce glucose-insulin index in rats with insulin resistance. Insulin resistance was induced by feeding of fructose-rich chow in rats. Insulin resistance was characterized by regular methods. Effectiveness of ginseng powder or extract Rh2 was identified in this animal model. Also, the application of ginseng for handling of diabetic disorders in China has been discussed. According to Chinese traditional medicine, ginseng is merit in the treatment of diabetic disorders named as Shiaw-Ker in Chinese. Therefore, it is no doubt that ginseng is helpful in the control of diabetic disorders either prevention or the treatment. Otherwise, the potential effect of ginseng on nervous functions shall be investigated in the future.
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Merit of Ginseng in the Improvement of Insulin Resistance
Juei-Tang Cheng 고려인삼학회 2010 Journal of Ginseng Research Vol.34 No.3
In the present review, the merit of ginseng in the improvement of insulin resistance has been introduced. Using the results in previous studies, we found that ginseng or ginsenoside Rh2 has the ability to reduce glucose-insulin index in rats with insulin resistance. Insulin resistance was induced by feeding of fructose-rich chow in rats. Insulin resistance was characterized by regular methods. Effectiveness of ginseng powder or extract Rh2 was identified in this animal model. Also, the application of ginseng for handling of diabetic disorders in China has been discussed. According to Chinese traditional medicine, ginseng is merit in the treatment of diabetic disorders named as Shiaw-Ker in Chinese. Therefore, it is no doubt that ginseng is helpful in the control of diabetic disorders either prevention or the treatment. Otherwise, the potential effect of ginseng on nervous functions shall be investigated in the future.
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Increase of Phosphatase and Tensin Homolog by Silymarin to Inhibit Human Pharynx Squamous Cancer
Chin-Hui Su,Li-Jen Chen,Jyh Fei Liao,Juei-Tang Cheng 한국식품영양과학회 2013 Journal of medicinal food Vol.16 No.9
Silymarin is an active principle from the seeds of the milk thistle plant and is widely used as a hepatoprotective gent due to its antioxidant-like activity. In the present study, we evaluated the potential efficacy of silymarin against oral cancer and investigated its possible mechanism of action. Cell viability assay and western blotting analyses were used to identify silymarin-induced apoptotic cell death in human pharynx squamous cell carcinoma (FaDu) cells. The short interfering RNA (siRNA) is used to confirm the role of phosphatase and tensin homolog (PTEN) in silymarin-induced apoptosis. Treatment of FaDu cells with silymarin resulted in a significant decrease in cell viability (up to 70%). Silymarin inhibited the phosphorylation of Akt (over 10-fold) with an increase in expression of PTEN (five to sixfold). Consequently, the level of Bcl-2 expression was decreased five to sixfold and caspase 3 activated to induce apoptosis. Treatment with siRNA specific to PTEN gene diminished the action of silymarin. The results suggest that silymarin inhibits the Akt signaling pathway by increasing PTEN expression in FaDu cells and directly affects Bcl-2 family members. Also, we demonstrated the inhibitory activity of silymarin for oral cancer is related to cell survival. These mechanisms may in part explain the actions of silymarin and provide a rationale for the development of silymarin as an anticancer agent.
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Hui-Ching Pai,Chung-Yuh Tzeng,Yu-Chen Lee,Chin-Hsien Chang,Jaung-Geng Lin,Juei-Tang Cheng,Shih-Liang Chang 사단법인약침학회 2009 Journal of Acupuncture & Meridian Studies Vol.2 No.2
Objectives: Hypoglycemia induced by electroacupuncture (EA) is due to an increase of insulin secretion and/or mediation of β-endorphin. We applied EA at the Zusanli (ST.36) acupuncture point (acupoint) in combination with rosiglitazone (TZD) administration to evaluate their effect on plasma glucose and to explore possible mechanisms of action. Methods: Thirty six normal adult Wistar rats were randomly divided into four groups: the 0.1 mg/kg TZD group (0.1TZD), 0.1 mg/kg TZD and EA group (0.1TZD + EA), EA group, and control group. In other experiments, streptozotocin was used to induce type 2 diabetes mellitus in neonatal rats; these were then randomly divided into a 0.1TZD group, 0.1TZD + EA group, and EA group and changes in plasma glucose and insulin concentrations evaluated. Results: A marked hypoglycemic response was observed in the normal rat 0.1TZD, 0.1TZD + EA and EA groups, with the response more significant in the 0.1TZD + EA group than in the 0.1TZD group. Among the diabetic animals, the hypoglycemic responses in the 0.1TZD + EA and EA groups were greater than in the 0.1TZD group. In both the normal and diabetic rats, insulin secretion was increased by EA or 0.1TZD + EA treatment, but not by 0.1TZD. Conclusions: The plasma glucose lowering action of rosiglitazone was increased by EA in both normal and diabetic rats, indicating that the application of EA may enhance the hypoglycemic action of this insulin sensitizer. Objectives: Hypoglycemia induced by electroacupuncture (EA) is due to an increase of insulin secretion and/or mediation of β-endorphin. We applied EA at the Zusanli (ST.36) acupuncture point (acupoint) in combination with rosiglitazone (TZD) administration to evaluate their effect on plasma glucose and to explore possible mechanisms of action. Methods: Thirty six normal adult Wistar rats were randomly divided into four groups: the 0.1 mg/kg TZD group (0.1TZD), 0.1 mg/kg TZD and EA group (0.1TZD + EA), EA group, and control group. In other experiments, streptozotocin was used to induce type 2 diabetes mellitus in neonatal rats; these were then randomly divided into a 0.1TZD group, 0.1TZD + EA group, and EA group and changes in plasma glucose and insulin concentrations evaluated. Results: A marked hypoglycemic response was observed in the normal rat 0.1TZD, 0.1TZD + EA and EA groups, with the response more significant in the 0.1TZD + EA group than in the 0.1TZD group. Among the diabetic animals, the hypoglycemic responses in the 0.1TZD + EA and EA groups were greater than in the 0.1TZD group. In both the normal and diabetic rats, insulin secretion was increased by EA or 0.1TZD + EA treatment, but not by 0.1TZD. Conclusions: The plasma glucose lowering action of rosiglitazone was increased by EA in both normal and diabetic rats, indicating that the application of EA may enhance the hypoglycemic action of this insulin sensitizer.
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