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https://www.readbyqxmd.com/read/28098863/effect-and-mechanism-of-resveratrol-on-drug-resistance-in-human-bladder-cancer-cells
#1
Shanshan Wang, Qian Meng, Qing Xie, Man Zhang
Multidrug resistance (MDR) is a significant barrier to the effective treatment of bladder cancer. In order to improve the management of bladder cancer, it is crucial to identify strategies that may reverse MDR. The effects of three herbal medicines, ginsenoside Rh2, (‑)‑epigallocatechin gallate (EGCG) and resveratrol (RES) on bladder cancer were determined. The effect of these three herbal medicines against the drug resistance in adriamycin (ADM)‑resistant pumc‑91 cells (pumc‑91/ADM) was assessed using the Cell Counting Kit‑8 cell proliferation assay system...
January 12, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28098857/anticancer-effects-of-ginsenoside-rg3-review
#2
Mengyao Sun, Ying Ye, Ling Xiao, Xinya Duan, Yongming Zhang, Hong Zhang
Cancer is a life-threatening disease with an alarmingly increased annual mortality rate globally. Although various therapies are employed for cancer, the final effect is not satisfactory. Chemotherapy is currently the most commonly used treatment option. However, the unsatisfactory efficacy, severe side-effects and drug resistance hinder the therapeutic efficacy of chemotherapeutic drugs. There is increasing evidence indicating that ginsenoside Rg3, a naturally occurring phytochemical, plays an important role in the prevention and treatment of cancer...
January 13, 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/28078612/ameliorative-effect-of-ginsenoside-rg1-on-lipopolysaccharide-induced-cognitive-impairment-role-of-cholinergic-system
#3
Yang Jin, Jian Peng, Xiaona Wang, Dong Zhang, Tianyin Wang
Bacterial endotoxin lipopolysaccharide (LPS) can induce systemic inflammation, and therefore disrupt learning and memory processes. Ginsenoside Rg1, a major bioactive component of ginseng, is shown to greatly improve cognitive function. The present study was designed to further investigate whether administration of ginsenoside Rg1 can ameliorate LPS-induced cognitive impairment in the Y-maze and Morris water maze (MWM) task, and to explore the underlying mechanisms. Results showed that exposure to LPS (500 μg/kg) significantly impaired working and spatial memory and that repeated treatment with ginsenoside Rg1 (200 mg/kg/day, for 30 days) could effectively alleviate the LPS-induced cognitive decline as indicated by increased working and spatial memory in the Y-maze and MWM tests...
January 11, 2017: Neurochemical Research
https://www.readbyqxmd.com/read/28078264/comparison-of-ginsenoside-contents-in-different-parts-of-korean-ginseng-panax-ginseng-c-a-meyer
#4
Ok-Ju Kang, Ji-Sang Kim
The present study was conducted to investigate the ginsenoside profiles of the main root, root hair, and leaf of ginseng in order to demonstrate their possible application in medicine. The total ginsenoside content of the leaf was up to 12 times than that in the main root, and the content of protopanaxadiol groups was higher than that of protopanaxatriol groups in all the samples. The leaf was shown to contain high amounts of ginsenosides Rb3 and Rh1, whereas the main root contained large amounts of ginsenosides Rb1 and Rc...
December 2016: Preventive Nutrition and Food Science
https://www.readbyqxmd.com/read/28071886/boronlectin-polyelectrolyte-ensembles-as-artificial-tongue-design-construction-and-application-for-discriminative-sensing-of-complex-glycoconjugates-from-panax-ginseng
#5
Xiao-Tai Zhang, Shu Wang, Guo-Wen Xing
Ginsenoside is a large family of triterpenoid saponins from panax ginseng, which possesses various important biological functions. Due to the very similar structures of these complex glycoconjugates, it is crucial to develop powerful analytic method to identify ginsenosides qualitatively or quantitatively. We herein report an eight-channel fluorescent sensor array as artificial tongue to achieve the discriminative sensing of ginsenosides. The fluorescent cross-responsive array was constructed by four boronlectins bearing flexible boronic acid moieties (FBAs) with multiple reactive sites and two linear poly(phenylene-ethynylene) (PPEs)...
January 10, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28065779/effects-of-panax-notoginseng-ginsenoside-rb1-on-abnormal-hippocampal-microenvironment-in-rats
#6
Shiyun Wang, Minghong Li, Ying Guo, Chen Li, Lanou Wu, Xin-Fu Zhou, Yaohui Luo, Dong An, Shude Li, Haiyun Luo, Lijin Pu
: Cerebral ischemia damages central neurons, and abnormal microenvironment in ischemic condition is the key factor to the damages. The increase of local concentration of glutamic acid, the overload of Ca(2+), and the mitochondrial stress caused by release of cytochrome C are important factors of abnormal microenvironment in cerebral ischemia. In this study ginsenoside Rb1, a compound from Panax Notoginseng, was used to intervene abnormal environment of neurons in the hippocampal CA1 region in two animal models (microperfusion model and photothrombosis model)...
January 5, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28038384/the-integration-of-gc-ms-and-lc-ms-to-assay-the-metabolomics-profiling-in-panax-ginseng-and-panax-quinquefolius-reveals-a-tissue-and-species-specific-connectivity-of-primary-metabolites-and-ginsenosides-accumulation
#7
Jia Liu, Yang Liu, Yu Wang, Ann Abozeid, Yuan-Gang Zu, Zhong-Hua Tang
The traditional medicine Ginseng mainly including Panax ginseng and Panax quinquefolius is the most widely consumed herbal product in the world. Despite the extensive investigation of biosynthetic pathway of the active compounds ginsenosides, our current understanding of the metabolic interlink between ginsenosides synthesis and primary metabolism at the whole-plant level. In this study, the tissue-specific profiling of primary and the secondary metabolites in two different species of ginseng were investigated by gas chromatography- and liquid chromatography coupled to mass spectrometry...
December 23, 2016: Journal of Pharmaceutical and Biomedical Analysis
https://www.readbyqxmd.com/read/28036069/ginsenoside-re-promotes-osteoblast-differentiation-in-mouse-osteoblast-precursor-mc3t3-e1-cells-and-a-zebrafish-model
#8
Hye-Min Kim, Dong Hyun Kim, Ho-Jin Han, Chan-Mi Park, Srinivas Rao Ganipisetti, Mariadhas Valan Arasu, Young Ock Kim, Chun Geun Park, Bo-Yeon Kim, Nak-Kyun Soung
Bone homeostasis is tightly regulated to balance bone formation and bone resorption. Many anabolic drugs are used as bone-targeted therapeutic agents for the promotion of osteoblast-mediated bone formation or inhibition of osteoclast-mediated bone resorption. Previous studies showed that ginsenoside Re has the effect of the suppression of osteoclast differentiation in mouse bone-marrow derived macrophages and zebrafish. Herein, we investigated whether ginsenoside Re affects osteoblast differentiation and mineralization in in vitro and in vivo models...
December 29, 2016: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28027838/extraction-isolation-and-aromatase-inhibitory-evaluation-of-low-polar-ginsenosides-from-panax-ginseng-leaves
#9
Yuchi Zhang, Jianxu Zhang, Chunming Liu, Min Yu, Sainan Li
A hyphenated accelerated solvent extraction (ASE) technique was elaborately coupled with centrifugal partition chromatography (CPC), ultra-high-performance liquid chromatography (UHPLC), and photo-diode array detector (PDA). This approach was applied to obtain low-polar ginsenoside fractions from the leaves of Panax ginseng. The CPC fractions were isolated and analyzed using the hyphenated technique, and followed by testing and evaluation of their aromatase inhibitory effects. Subsequently, the aromatase inhibition rates of the compositions in the CPC fractions were calculated using a multivariable linear regression model...
December 23, 2016: Journal of Chromatography. A
https://www.readbyqxmd.com/read/28025886/comparative-analysis-of-the-rats-gut-microbiota-composition-in-animals-with-different-ginsenosides-metabolizing-activity
#10
Wei-Wei Dong, Fang-Ling Xuan, Fei-Liang Zhong, Jun Jiang, Songquan Wu, Donghao Li, Lin-Hu Quan
Following oral intake of Panax ginseng, major ginsenosides are metabolized to deglycosylated ginsenosides by gut microbiota before absorption into the blood. As the composition of gut microbiota varies between individuals, metabolic activities are significantly different. We selected 6 rats with low efficiency metabolism (LEM) and 6 rats with high efficiency metabolism (HEM) from 60 rats following oral administration of Panax ginseng extract, and analyzed their gut microbiota composition using Illumina HiSeq sequencing of the 16S rRNA gene...
January 18, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/28017961/ginsenoside-rb2-enhances-the-anti-inflammatory-effect-of-%C3%AF-3-fatty-acid-in-lps-stimulated-raw264-7-macrophages-by-upregulating-gpr120-expression
#11
Qi Huang, Ting Wang, He-Yao Wang
Recent studies confirm that chronic low-grade inflammation is closely associated with metabolic syndromes, and anti-inflammatory therapy is a potential approach for treating cardiovascular diseases and type 2 diabetes. Accumulating evidence suggests that GPR120 activation is a feasible solution to ameliorating chronic inflammation and improving glucose metabolism. In this study we investigated whether ginsenoside Rb2 (Rb2), which exhibited regulatory activities in glucose and lipid metabolism, affected GPR120 expression in lipopolysaccharide (LPS)-activated mouse macrophage RAW264...
December 26, 2016: Acta Pharmacologica Sinica
https://www.readbyqxmd.com/read/28017829/12-chloracetyl-ppd-a-novel-dammarane-derivative-shows-anti-cancer-activity-via-delay-the-progression-of-cell-cycle-g2-m-phase-and-reactive-oxygen-species-mediate-cell-apoptosis
#12
Xu De Wang, Yuan Yuan Sun, Chen Zhao, Fan Zhi Qu, Yu Qing Zhao
(20R)-Dammarane-3β, 12β, 20, 25-tetrol (25-OH-PPD) is a ginsenoside isolated from Panax ginseng (C. A. Meyer). This compound exhibits anti-cancer activities on many human cancer cell lines. In this study, we investigated anti-cancer mechanisms of 12β-O-(L-Chloracetyl)-dammar-20(22)-ene-3β,25-diol(12-Chloracetyl-PPD), a modified 25-OH-PPD. We found that compound 12-Chloracetyl-PPD resulted in a concentration-dependent inhibition of viability in prostate, breast, and gastric cancer cells, without affecting the viability of normal cell (human gastric epithelial cell line-GES-1, hair follicle dermal papilla cell line-HHDPC and rat myocardial cell line-H9C2)...
December 23, 2016: European Journal of Pharmacology
https://www.readbyqxmd.com/read/28013484/antidepressant-like-effects-of-ginsenoside-rg3-in-mice-via-activation-of-the-hippocampal-bdnf-signaling-cascade
#13
Zhengchen You, Qi Yao, Jianhong Shen, Zhikai Gu, Hui Xu, Zhonghua Wu, Chuanjun Chen, Luozhu Li
Current antidepressants are clinically effective only after several weeks of administration. Ginsenoside Rg3 is one component of ginsenosides, with a similar chemical structure to ginsenoside Rg1. Here, we investigated the antidepressant effects of Rg3 in mouse models of depression. The antidepressant actions of Rg3 were first examined in the forced swim test (FST) and tail suspension test (TST), and then assessed in the chronic social defeat stress (CSDS) model of depression. The changes in the hippocampal brain-derived neurotrophic factor (BDNF) signaling pathway after CSDS and Rg3 treatment were investigated...
December 24, 2016: Journal of Natural Medicines
https://www.readbyqxmd.com/read/28010843/an-in-source-multiple-collision-neutral-loss-filtering-based-nontargeted-metabolomics-approach-for-the-comprehensive-analysis-of-malonyl-ginsenosides-from-panax-ginseng-p-%C3%A2-quinquefolius-and-p-%C3%A2-notoginseng
#14
Xiao-Jian Shi, Wen-Zhi Yang, Shi Qiu, Chang-Liang Yao, Yao Shen, Hui-Qin Pan, Qi-Rui Bi, Min Yang, Wan-Ying Wu, De-An Guo
The simultaneous identification and quantification of target metabolites from herbal medicines are difficult to implement by the full-scan MS based nontargeted metabolomics approaches. Here an in-source multiple collision-neutral loss filtering (IMC-NLF) based nontargeted metabolomics approach is developed and applied to identify and quantify the variations of malonyl-ginsenosides, a common group of acyl saponins with potential anti-diabetic activity, among Panax ginseng, P. quinquefolius, and P. notoginseng...
February 1, 2017: Analytica Chimica Acta
https://www.readbyqxmd.com/read/28008248/coalescence-of-functional-gold-and-monodisperse-silver-nanoparticles-mediated-by-black-panax-ginseng-meyer-root-extract
#15
Dandan Wang, Josua Markus, Yeon-Ju Kim, Chao Wang, Zuly Elizabeth Jiménez Pérez, Sungeun Ahn, Verónica Castro Aceituno, Ramya Mathiyalagan, Deok Chun Yang
A rapid biological synthesis of multifunctional gold nanoparticle (AuNp) and monodisperse silver nanoparticle (AgNp) was achieved by an aqueous extract of black Panax ginseng Meyer root. The physicochemical transformation into black ginseng (BG) greatly enhanced the pharmacological activities of white ginseng and its minor ginsenoside content. The optimal temperature conditions and kinetics of bioreduction were investigated. Formation of BG-AuNps and BG-AgNps was verified by ultraviolet-visible spectrophotometry at 548 and 412 nm, respectively...
2016: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/27994212/intracellular-trafficking-modulation-by-ginsenoside-rg3-inhibits-brucella-abortus-uptake-and-intracellular-survival-within-raw-264-7-cells
#16
Tran Xuan Ngoc Huy, Alisha Wehdnesday Bernardo Reyes, Huynh Tan Hop, Lauren Togonon Arayan, WonGi Min, Hu Jang Lee, Man Hee Rhee, Hong Hee Chang, Suk Kim
Ginsenoside Rg3, a saponin extracted from Ginseng, has various pharmacological and biological activities, however its effects against Brucella infection are still unclear. Herein, the inhibitory effects of ginsenoside Rg3 against intracellular parasitic Brucella infection were evaluated through bacterial infection, adherence assays, and LAMP-1 colocalization, as well as immunoblotting and FACS for detecting MAPKs signaling proteins and F-actin polymerization, respectively. The internalization, intracellular growth and adherence of Brucella (B...
December 20, 2016: Journal of Microbiology and Biotechnology
https://www.readbyqxmd.com/read/27991533/distinct-urine-metabolome-after-asian-ginseng-and-american-ginseng-intervention-based-on-gc-ms-metabolomics-approach
#17
Liu Yang, Qing-Tao Yu, Ya-Zhong Ge, Wen-Song Zhang, Yong Fan, Chung-Wah Ma, Qun Liu, Lian-Wen Qi
Ginseng occupies a prominent position in the list of best-selling natural products worldwide. Asian ginseng (Panax ginseng) and American ginseng (Panax quinquefolius) show different properties and medicinal applications in pharmacology, even though the main active constituents of them are both thought to be ginsenosides. Metabolomics is a promising method to profile entire endogenous metabolites and monitor their fluctuations related to exogenous stimulus. Herein, an untargeted metabolomics approach was applied to study the overall urine metabolic differences between Asian ginseng and American ginseng in mice...
December 19, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27986590/phytosteroids-beyond-estrogens-regulators-of-reproductive-and-endocrine-function-in-natural-products
#18
REVIEW
Matthew Dean, Brian T Murphy, Joanna E Burdette
Foods and botanical supplements can interfere with the endocrine system through the presence of phytosteroids - chemicals that interact with steroids receptors. Phytoestrogens are well studied, but compounds such as kaempferol, apigenin, genistein, ginsenoside Rf, and glycyrrhetinic acid have been shown to interact with non-estrogen nuclear receptors. These compounds can have agonist, antagonist, or mixed agonist/antagonist activity depending on compound, receptor, cell line or tissue, and concentration. Some phytosteroids have also been shown to inhibit steroid metabolizing enzymes, resulting in biological effects through altered endogenous steroid concentrations...
December 13, 2016: Molecular and Cellular Endocrinology
https://www.readbyqxmd.com/read/27983571/anti-fatigue-effects-of-small-molecule-oligopeptides-isolated-from-panax-ginseng-c-a-meyer-in-mice
#19
Lei Bao, Xiaxia Cai, Junbo Wang, Yuan Zhang, Bin Sun, Yong Li
Panax ginseng C. A. Meyer (ginseng) is an edible and medicinal Chinese herb, which is often used in Asian countries for physical fitness. Ginseng is reported to have a wide range of biological activity and pharmaceutical properties. There were more studies on ginsenosides and polysaccharides, but fewer studies on ginseng oligopeptides (GOP), which are small molecule oligopeptides isolated from ginseng. The present study was designed to evaluate the anti-fatigue effects of GOP in mice and explore the possible underlying mechanism...
December 13, 2016: Nutrients
https://www.readbyqxmd.com/read/27982079/ginsenoside-rg1-attenuates-ultraviolet-b-induced-glucocortisides-resistance-in-keratinocytes-via-nrf2-hdac2-signalling
#20
Jun Li, Dong Liu, Jinfeng Wu, Daniel Zhang, Binbin Cheng, Yani Zhang, Zifei Yin, Yuan Wang, Juan Du, Changquan Ling
Oxidative stress, which occurs after ultraviolet (UV) radiation, usually results in Glucocorticoid (GC) resistance and the subsequent development of skin inflammation. One approach to protecting the skin against UV radiation is the use of antioxidants. The ginsenoside Rg1 is a novel natural antioxidant isolated from the medicinal plant Panax ginseng C.A. Mey. We demonstrated that UVB exposure exacerbated inflammation and reduced both the level of the glucocorticoid receptor (GR) and the efficacy of dexamethasone (Dex) in human keratinocytes (HaCaT cells)...
December 16, 2016: Scientific Reports
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