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https://www.readbyqxmd.com/read/28725008/methylglyoxal-and-advanced-glycation-end-products-insight-of-the-regulatory-machinery-affecting-the-myogenic-program-and-of-its-modulation-by-natural-compounds
#1
Mohammad Hassan Baig, Arif Tasleem Jan, Gulam Rabbani, Khurshid Ahmad, Jalaluddin M Ashraf, Taeyeon Kim, Han Sol Min, Yong Ho Lee, Won-Kyung Cho, Jin Yeul Ma, Eun Ju Lee, Inho Choi
Methylglyoxal (MG) is a reactive dicarbonyl intermediate and a precursor of advanced glycation end products (AGEs). The authors investigated the role played by AGEs in muscle myopathy and the amelioration of its effects by curcumin and gingerol. In addition to producing phenotypical changes, MG increased oxidative stress and reduced myotube formation in C2C12 cells. RAGE (receptor for AGEs) expression was up-regulated and MYOD and myogenin (MYOG) expressions were concomitantly down-regulated in MG-treated cells...
July 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28709132/protective-effects-of-6-gingerol-on-vascular-endothelial-cell-injury-induced-by-high-glucose-via-activation-of-pi3k-akt-enos-pathway-in-human-umbilical-vein-endothelial-cells
#2
Dan Liu, Mengqing Wu, Yi Lu, Tao Xian, Yupeng Wang, Bowei Huang, Guohua Zeng, Qiren Huang
6-Gingerol (6-Gin), an active constituent of Zingiber officinale, has been reported to have anti-inflammatory, anti-oxidative, anti-cancerous etc. bioactivities. However, little is known about its endothelial protective effects and the underlying mechanisms. In this study, our purpose was to investigate the protective effects of 6-Gin and its underlying mechanisms. HUVECs were exposed to high glucose (HG, 33mM glucose) for 48h, followed by 50μM 6-Gin with or without LY294002 (10μM), AKT inhibitor IV (0.5μM) or L-NAME (5mM) for another 24h...
July 11, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28633858/effects-of-processing-parameters-in-the-sonic-assisted-water-extraction-sawe-of-6-gingerol
#3
Syaripah Zaimah Syed Jaapar, Noor Azian Morad, Yoshio Iwai, Mariam Firdhaus Mad Nordin
The use of water in subcritical conditions for extraction has several drawbacks. These include the safety features, higher production costs and possible degradation of the bioactive compounds. To overcome these problems, sonic energy and an entrainer were used as external interventions to decrease the polarity of water at milder operating conditions. The effect of low (28kHz) and high (800kHz) frequencies of sonication in the extraction of the main ginger bioactive compound (6-gingerol) were compared. Six parameters were studied: mean particle size (MPS, mm), time of extraction, applied power, sample to solvent ratio (w/v), temperature of extraction, and the percentage of entrainer...
September 2017: Ultrasonics Sonochemistry
https://www.readbyqxmd.com/read/28588638/simultaneous-determination-of-8-compounds-in-gancao-ganjiang-tang-by-hplc-dad-and-analysis-of-the-relations-between-compatibility-dosage-and-contents-of-medicines
#4
Yanfang Yang, Guijun Zhang, Qiyu Sun, Liang Liu, Hui Peng, Jingjuan Wang, Li Xiang
Gancao-Ganjiang-Tang (GGT) is a traditional Chinese medicine (TCM) prescription and is a representative prescription for recuperating depleted Yang in Treatise on Febrile Diseases. The TCM theory believes that the efficacy of medicinal herbs is decided by the multicompounds which consist of different kinds of chemical constituents with bioactivities, but not by a monomeric constituent. From ancient times until today, GGT have 5 different kinds of compatibilities that can be verified. In this study, a HPLC-DAD method was established for the simultaneous determination of 8 compounds including 6-gingerol, 8-gingerol, 6-shogaol, liquiritin, liquiritigenin, isoliquiritin, isoliquiritigenin, and glycyrrhizic acid in the five GGT...
2017: Evidence-based Complementary and Alternative Medicine: ECAM
https://www.readbyqxmd.com/read/28588301/protective-effects-of-gingerol-on-streptozotocin-induced-sporadic-alzheimer-s-disease-emphasis-on-inhibition-of-%C3%AE-amyloid-cox-2-alpha-beta-secretases-and-aph1a
#5
Ali M El Halawany, Nesrine S El Sayed, Hossam M Abdallah, Riham Salah El Dine
Gingerol is a major dietary compound that occurs in several plants belonging to the Zingiberaceae family. In the current study, the protective effect of gingerol on STZ-induced sporadic Alzheimer's disease (SAD) was determined. Gingerol was isolated from the seeds of Aframomum melegueta K. Schum and tested at doses of 10 and 20 mg/kgbwt for its possible effect on the SAD model in mice, using celecoxib (30 mg/kg bwt) as a reference standard. The curative effects of gingerol were assessed through measurement of β-amyloid (Aβ-42), α-, β- secretases, APH1a and COX-2 levels...
June 6, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28587595/proteomic-analysis-by-itraq-mrm-of-soybean-resistance-to-lamprosema-indicate
#6
Weiying Zeng, Zudong Sun, Zhaoyan Cai, Huaizhu Chen, Zhenguang Lai, Shouzhen Yang, Xiangmin Tang
BACKGROUND: Lamprosema indicate is a major leaf feeding insect pest to soybean, which has caused serious yield losses in central and southern China. To explore the defense mechanisms of soybean resistance to Lamprosema indicate, a highly resistant line (Gantai-2-2) and a highly susceptible line (Wan 82-178) were exposed to Lamprosema indicate larval feedings for 0 h and 48 h, and the differential proteomic analyses of these two lines were carried out. RESULTS: The results showed that 31 differentially expressed proteins (DEPs) were identified in the Gantai-2-2 when comparing 48 h feeding with 0 h feeding, and 53 DEPs were identified in the Wan 82-178...
June 6, 2017: BMC Genomics
https://www.readbyqxmd.com/read/28494418/zingiber-officinale-and-6-gingerol-alleviate-liver-and-kidney-dysfunctions-and-oxidative-stress-induced-by-mercuric-chloride-in-male-rats-a-protective-approach
#7
Deepmala Joshi, Sunil Kumar Srivastav, Sateesh Belemkar, Vaibhav A Dixit
Mercury toxicity is an emerging problem in the world as its concentration is rising continuously due to increased industrial, medicinal and domestic uses. Exposure to mercury represents a serious challenge to humans and other living biomes. The aim of the present study was to assess the protective effect of natural products as Zingiber officinale extract and its active compound (6-gingerol) against mercuric chloride-induced hepatorenal toxicity and oxidative stress in male rats. Male Sprague-Dawley rats (150±10g, n=6 per group) were administered HgCl2 (12μmol/kg, ip; once only) the treatment of Zingiber officinale Rosc...
July 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28475920/protective-effects-of-phenolics-rich-extract-of-ginger-against-aflatoxin-b1-induced-oxidative-stress-and-hepatotoxicity
#8
Vipin A V, Raksha Rao K, Nawneet Kumar Kurrey, Anu Appaiah K A, Venkateswaran G
Aflatoxin B1 (AFB1) is one of the predominant mycotoxin contaminant in food and feed, causing oxidative stress and hepatotoxicity. Ginger phenolics have been reported for its antioxidant potential and hepatoprotective activity. The present study investigated the protective effects of phenolics rich ginger extract (GE) against AFB1 induced oxidative stress and hepatotoxicity, in vitro and in vivo. The phenolic acid profiles of GE showed 6-gingerol and 6-shogaol as predominant components. Pretreatment of HepG2 cells with GE significantly inhibited the production of intracellular reactive oxygen species (ROS), DNA strand break, and cytotoxicity induced by AFB1...
July 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28462109/simultaneous-determination-of-nine-bioactive-compounds-in-yijin-tang-via-high-performance-liquid-chromatography-and-liquid-chromatography-electrospray-ionization-mass-spectrometry
#9
Hye Jin Yang, Nam-Hui Yim, Kwang Jin Lee, Min Jung Gu, Bohyoung Lee, Youn-Hwan Hwang, Jin Yeul Ma
BACKGROUND: Yijin-tang (YJ) has been used traditionally for the treatment of cardiovascular conditions, nausea, vomiting, gastroduodenal ulcers, and chronic gastritis. In this study, a simple and sensitive high-performance liquid chromatography (HPLC) method was developed for the quantitation of nine bioactive compounds in YJ: homogentisic acid, liquiritin, naringin, hesperidin, neohesperidin, liquiritigenin, glycyrrhizin, 6-gingerol, and pachymic acid. METHODS: Chromatographic separation of the analytes was achieved on an RS Tech C18 column (4...
June 2016: Integrative medicine research
https://www.readbyqxmd.com/read/28421826/6-gingerol-improves-testicular-function-in-mice-model-of-chronic-ulcerative-colitis
#10
E O Farombi, I A Adedara, B O Ajayi, T E Idowu, O O Eriomala, F O Akinbote
The persistent inflammation and oxidative stress at the local site in ulcerative colitis reportedly extend to the testes via systemic circulation resulting in testicular dysfunction. The influence of 6-gingerol (6G), a phenolic compound isolated from Zingiber officinale, on colitis-mediated testicular dysfunction in mice was investigated in this study. Chronic ulcerative colitis was induced in mice using 2.5% dextran sulfate sodium (DSS) in drinking water for three cycles. Each cycle consisted of 7 consecutive days of exposure to DSS-treated water followed by 14 consecutive days of normal drinking water...
January 1, 2017: Human & Experimental Toxicology
https://www.readbyqxmd.com/read/28398734/construction-of-prediction-models-for-the-transient-receptor-potential-vanilloid-subtype-1-trpv1-stimulating-activity-of-ginger-and-processed-ginger-based-on-lc-hrms-data-and-pls-regression-analyses
#11
Taichi Yoshitomi, Naohiro Oshima, Yuto Goto, Shunsuke Nakamori, Daigo Wakana, Naoko Anjiki, Koji Sugimura, Noriaki Kawano, Hiroyuki Fuchino, Osamu Iida, Toshiko Kagawa, Hideto Jinno, Nobuo Kawahara, Yoshinori Kobayashi, Takuro Maruyama
To construct a model formula to evaluate the thermogenetic effect of ginger (Zingiber officinale Roscoe) from the ingredient information, we established transient receptor potential vanilloid subtype 1 (TRPV1)-stimulating activity prediction models by using a partial least-squares projections to latent structures (PLS) regression analysis in which the ingredient data from liquid chromatography-high-resolution mass spectrometry (LC-HRMS) and the stimulating activity values for TRPV1 receptor were used as explanatory and objective variables, respectively...
May 3, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/28374423/effect-of-6-gingerol-on-physicochemical-properties-of-grass-carp%C3%A2-ctenopharyngodon-idellus-surimi-fortified-with-perilla-oil-during-refrigerated-storage
#12
Hongbo Mi, Bo Zhao, Cong Wang, Shumin Yi, Yongxia Xu, Jianrong Li
BACKGROUND: Surimi is produced from deboned fish muscle through being washed to remove blood, lipids, sarcoplasmic proteins, and other impurities. There is an increasing interest in the fortification of surimi with ω-3 PUFAs because of their health benefits. However, lipid oxidation should be considered as an important factor during storage. Hence, in this study, the quality properties and oxidative stability of surimi fortified with 30 g kg(-1) perilla oil (PO), or 5 g kg(-1) 6-gingerol (GI) or their combination (PO+GI) was investigated...
April 4, 2017: Journal of the Science of Food and Agriculture
https://www.readbyqxmd.com/read/28373059/protective-properties-of-6-gingerol-rich-fraction-from-zingiber-officinale-ginger-on-chlorpyrifos-induced-oxidative-damage-and-inflammation-in-the-brain-ovary-and-uterus-of-rats
#13
Amos O Abolaji, Mercy Ojo, Tosin T Afolabi, Mary D Arowoogun, Darlinton Nwawolor, Ebenezer O Farombi
Chlorpyrifos (CPF) is an organophosphorus pesticide widely used in agricultural applications and household environments. 6-Gingerol-rich fraction from Zingiber officinale (Ginger, 6-GRF) has been reported to possess potent anti-oxidative, anti-inflammatory and anti-apoptotic properties. Here, we investigated the protective properties of 6-GRF on CPF-induced oxidative damage and inflammation in the brain, ovary and uterus of rats. Five groups of rats containing 14 rats/group received corn oil (control), CPF (5 mg/kg), 6-GRF (100 mg/kg), CPF (5 mg/kg) + 6-GRF (50 mg/kg) and CPF (5 mg/kg) + 6-GRF (100 mg/kg) through gavage once per day for 35 days respectively...
May 25, 2017: Chemico-biological Interactions
https://www.readbyqxmd.com/read/28358331/absorption-metabolic-stability-and-pharmacokinetics-of-ginger-phytochemicals
#14
Rao Mukkavilli, Chunhua Yang, Reenu Singh Tanwar, Ahmed Ghareeb, Latika Luthra, Ritu Aneja
We have previously demonstrated promising anticancer efficacy of orally-fed whole ginger extract (GE) in preclinical prostate models emphasizing the importance of preservation of the natural "milieu". Essentially, GE primarily includes active ginger phenolics viz., 6-gingerol (6G), 8-gingerol (8G), 10-gingerol (10G), and 6-shogaol (6S). However, the druglikeness properties of active GE phenolics like solubility, stability, and metabolic characteristics are poorly understood. Herein, we determined the physicochemical and biochemical properties of GE phenolics by conducting in vitro assays and mouse pharmacokinetic studies with and without co-administration of ketoconazole (KTZ)...
March 30, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28349496/a-phase-ii-randomized-double-blind-placebo-controlled-study-of-6-gingerol-as-an-anti-emetic-in-solid-tumor-patients-receiving-moderately-to-highly-emetogenic-chemotherapy
#15
RANDOMIZED CONTROLLED TRIAL
J Konmun, K Danwilai, N Ngamphaiboon, B Sripanidkulchai, A Sookprasert, S Subongkot
6-Gingerol is a natural compound extracted from ginger. Preclinical studies demonstrated that 6-gingerol has an anti-emetic activity by inhibiting neurokinin-1, serotonin, and dopamine receptors. Several clinical trials examined crude ginger powder for preventing chemotherapy-induced nausea and vomiting (CINV), but none of them was conducted with a standardized bioactive compound. Patients who received moderately to highly emetogenic adjuvant chemotherapy were randomized to receive 6-gingerol 10 mg or placebo orally twice daily for 12 weeks...
April 2017: Medical Oncology
https://www.readbyqxmd.com/read/28330763/ph-responsive-controlled-release-of-anti-cancer-hydrophobic-drugs-from-sodium-alginate-and-hydroxyapatite-bi-coated-iron-oxide-nanoparticles
#16
Danushika C Manatunga, Rohini M de Silva, K M Nalin de Silva, Nuwan de Silva, Shiva Bhandari, Yoke Khin Yap, N Pabakara Costha
Developing a drug carrier system which could perform targeted and controlled release over a period of time is utmost concern in the pharmaceutical industry. This is more relevant when designing drug carriers for poorly water soluble drug molecules such as curcumin and 6-gingerol. Development of a drug carrier system which could overcome these limitations and perform controlled and targeted drug delivery is beneficial. This study describes a promising approach for the design of novel pH sensitive sodium alginate, hydroxyapatite bilayer coated iron oxide nanoparticle composite (IONP/HAp-NaAlg) via the co-precipitation approach...
March 18, 2017: European Journal of Pharmaceutics and Biopharmaceutics
https://www.readbyqxmd.com/read/28315687/-10-gingerol-a-major-phenolic-constituent-of-ginger-root-induces-cell-cycle-arrest-and-apoptosis-in-triple-negative-breast-cancer-cells
#17
Megan M Bernard, Jason R McConnery, David W Hoskin
The ginger rhizome is rich in bioactive compounds, including [6]-gingerol, [8]-gingerol, and [10]-gingerol; however, to date, most research on the anti-cancer activities of gingerols have focused on [6]-gingerol. In this study, we compared [10]-gingerol with [8]-gingerol and [6]-gingerol in terms of their ability to inhibit the growth of human and mouse mammary carcinoma cells. A colorimetric assay based on the enzymatic reduction of 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide revealed that [10]-gingerol was more potent than [6]-gingerol and at least as potent as [8]-gingerol for the inhibition of triple-negative human (MDA-MB-231, MDA-MB-468) and mouse (4T1, E0771) mammary carcinoma cell growth...
March 16, 2017: Experimental and Molecular Pathology
https://www.readbyqxmd.com/read/28258675/cancer-chemoprevention-selected-molecular-mechanisms
#18
Katarzyna Walczak, Sebastian Marciniak, Grażyna Rajtar
The effect of diet on cancer formation and prevention of carcinogenesis has attracted considerable attention for years and is the subject of several studies. Some components of the daily diet, such as resveratrol, curcumin, genistein, gingerol, can significantly reduce the risk of cancer or affect the rate of tumor progression. Cancer chemoprevention assumes the use of natural or synthetic biologically active substances in order to prevent, inhibit or reverse the progression of cancer. There are many biologically active compounds in several natural products, i...
March 2, 2017: Postȩpy Higieny i Medycyny Doświadczalnej
https://www.readbyqxmd.com/read/28254022/specific-bioactive-compounds-in-ginger-and-apple-alleviate-hyperglycemia-in-mice-with-high-fat-diet-induced-obesity-via-nrf2-mediated-pathway
#19
Chethan Sampath, Muhammed Raihan Rashid, Shengmin Sang, Mohamed Ahmedna
Prolonged hyperglycemia activates the formation of advanced glycation end-products (AGEs). Major dicarbonyl compounds such as methylglyoxal or glyoxal are found to be the main precursors of AGEs and N(ε)-(carboxymethyl)lysine (CML) found to be predominantly higher in the diabetic population. We hypothesized that phloretin from apple and [6]-gingerol from ginger inhibit formation of AGEs and suppress the receptor for advanced glycation end products (RAGE) via nuclear factor erythroid-2-related-factor-2 (Nrf2)-dependent pathway...
July 1, 2017: Food Chemistry
https://www.readbyqxmd.com/read/28249781/assessment-of-anti-cancerous-potential-of-6-gingerol-tongling-white-ginger-and-its-synergy-with-drugs-on-human-cervical-adenocarcinoma-cells
#20
Fang Zhang, Jian-Guo Zhang, Jie Qu, Qi Zhang, Chandan Prasad, Zhao-Jun Wei
The anti-cancerous activity of 6-gingerol extracted from Tongling White Ginger was investigated. 6-Gingerol inhibited the growth of HeLa cells with IC50 (96.32 μM) and IC80 (133.01 μM) and led to morphological changes, induced the cell cycle arrest in G0/G1-phase and ultimately resulted into apoptosis. Among cell cycle-related genes and proteins, the expression of cyclin (A, D1, E1) reduced, while of CDK-1, p21 and p27 showed slight decrease, except cyclin B1 and E1 (protein). Western blotting reported the induction of apoptosis with an increased Bax/Bcl-2 ratio, release of cytochrome c, cleavage of caspase-3, -8, -9 and PRPP in treated cells...
February 27, 2017: Food and Chemical Toxicology
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