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Curcumin

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https://www.readbyqxmd.com/read/28342400/using-gene-expression-database-to-uncover-biology-functions-of-1-4-disubstituted-1-2-3-triazole-analogues-synthesized-via-a-copper-i-catalyzed-reaction
#1
Chun-Li Su, Chia-Ling Tseng, Chintakunta Ramesh, Hsiao-Sheng Liu, Chi-Ying F Huang, Ching-Fa Yao
We have synthesized bioactive 1,4-disubstituted 1,2,3-triazole analogues containing 2H-1,4-benzoxazin-3-(4H)-one derivatives via 1,3-dipolar cycloaddition in the presence of CuI. All the reactions proceeded smoothly and afforded its desired products in excellent yields. Among these analogues, 3y exhibited a better cytotoxic effect on human hepatocellular carcinoma (HCC) Hep 3B cells and displayed less cytotoxicity on normal human umbilical vein endothelial cells, compared with Sorafenib, a targeted therapy for advanced HCC...
March 18, 2017: European Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28339005/curcumin-inhibits-angiotensin-ii-induced-inflammation-and-proliferation-of-rat-vascular-smooth-muscle-cells-by-elevating-ppar-%C3%AE-activity-and-reducing-oxidative-stress
#2
Hai-Yu Li, Mei Yang, Ze Li, Zhe Meng
Angiotensin II (AngII)-induced production of inflammatory factors and proliferation in vascular smooth muscle cells (VSMCs) play an important role in the progression of atherosclerotic plaques. Growing evidence has demonstrated that activation of peroxisome proliferator-activated receptor-γ (PPAR-γ) effectively attenuates AngII-induced inflammation and intercellular reactive oxygen species (iROS) production. Curcumin (Cur) inhibits inflammatory responses by enhancing PPAR-γ activity and reducing oxidative stress in various tissues...
March 20, 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/28339004/cyclocurcumin-a-curcumin-derivative-exhibits-immune-modulating-ability-and-is-a-potential-compound-for-the-treatment-of-rheumatoid-arthritis-as-predicted-by-the-mm-pbsa-method
#3
Min Fu, Lihui Chen, Limin Zhang, Xiao Yu, Qingrui Yang
The control and treatment of rheumatoid arthritis is a challenge in today's world. Therefore, the pursuit of natural disease-modifying antirheumatic drugs (DMRDs) remains a top priority in rheumatology. The present study focused on curcumin and its derivatives in the search for new DMRDs. We focused on prominent p38 mitogen-activated protein (MAP) kinase p38α which is a prime regulator of tumor necrosis factor-α (TNF-α), a key mediator of rheumatoid arthritis. In the present study, we used the X-ray crystallographic structure of p38α for molecular docking simulations and molecular dynamic simulations to study the binding modes of curcumin and its derivatives with the active site of p38α...
March 20, 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/28338387/comparison-of-the-effects-of-curcumin-and-rg108-on-ngf-induced-pc-12%C3%A2-adh-cell-differentiation-and-neurite-outgrowth
#4
Miriş Dikmen
DNA methyltransferases (DNMTs) are promising epigenetic targets for the development of novel drugs, especially for neurodegenerative disorders. In recent years, there has been increased interest in small molecules that can cross the blood-brain barrier for the treatment of neurodegenerative diseases. Therefore, comparing the neuronal differentiative effects of a natural compound curcumin and a synthetic small molecule RG108 was the aim of this study. The effects of curcumin and RG108 on neuronal differentiation and neurite outgrowth were investigated in the PC-12 Adh cell line...
March 24, 2017: Journal of Medicinal Food
https://www.readbyqxmd.com/read/28338175/study-on-the-mechanism-of-ampk-signaling-pathway-and-its-effect-on-apoptosis-of-human-hepatocellular-carcinoma-smmc-7721-cells-by-curcumin
#5
Y-J Zhang, H Xiang, J-S Liu, D Li, Z-Y Fang, H Zhang
OBJECTIVE: Liver cancer is a common malignant tumor in the digestive system. Curcumin is a kind of phenolic pigment, which is extracted from herbage and has a plenty of physiological roles in anti-inflammation, anti-oxidation and anti-tumor. In our study, human hepatoma SMMC-7721 cell lines were selected and treated with curcumin to detect its effects on the apoptosis and AMPK signaling pathway. MATERIALS AND METHODS: Human liver cancer cell strain SMMC-7721 was cultured and treated with different curcumin concentrations for different times followed by measuring the changes of cell proliferation activity and cycle by MTT and flow cytometry, respectively...
March 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28337376/curcumin-derivative-wz35-efficiently-suppresses-colon-cancer-progression-through-inducing-ros-production-and-er-stress-dependent-apoptosis
#6
Junru Zhang, Zhiguo Feng, Chunhua Wang, Huiping Zhou, Weidong Liu, Karvannan Kanchana, Xuanxuan Dai, Peng Zou, Junlian Gu, Lu Cai, Guang Liang
Colon cancer is characterized by its fast progression and poor prognosis, and novel agents of treating colon cancer are urgently needed. WZ35, a synthetic curcumin derivative, has been reported to exhibit promising antitumor activity. Here, we investigated the in vitro and in vivo activities of WZ35 and explored the underlying mechanisms in colon cancer cell lines. WZ35 treatment significantly decreased the cell viability associated with G2/M cell cycle arrest and apoptosis induction in colon cancer cell lines...
2017: American Journal of Cancer Research
https://www.readbyqxmd.com/read/28337314/curcumin-may-defy-medicinal-chemists
#7
Govindarajan Padmanaban, Viswanathan A Nagaraj
No abstract text is available yet for this article.
March 9, 2017: ACS Medicinal Chemistry Letters
https://www.readbyqxmd.com/read/28337260/mir-590-3p-mediates-the-protective-effect-of-curcumin-on-injured-endothelial-cells-induced-by-angiotensin-ii
#8
Tian Wu, Yuanyuan Xiang, Yu Lv, Dai Li, Lijin Yu, Ren Guo
Curcumin (Cur) has multiple pharmacological effects including antitumor, anti-inflammatory, antioxidant and cardiovascular protective effects. This research aims to further explore whether the cardiovascular protective effects of Cur are mediated by the miR-590-3p/CD40 pathway. Endothelial cells (ECs) were cultivated with 10(-7) mol/L angiotensin II (Ang II) to establish a damage model. Real-time PCR was used to determine the expression of CD40 and eNOS mRNA on ECs. The protein expressions of CD40 and eNOS were detected by Western blot analysis...
2017: American Journal of Translational Research
https://www.readbyqxmd.com/read/28336172/curcuma-longa-linn-extract-and-curcumin-protect-cyp-2e1-enzymatic-activity-against-mercuric-chloride-induced-hepatotoxicity-and-oxidative-stress-a-protective-approach
#9
Deepmala Joshi, Deepak Kumar Mittal, Sangeeta Shukla, Sunil Kumar Srivastav, Vaibhav A Dixit
The present investigation has been conducted to evaluate the therapeutic potential of Curcuma longa (200mgkg(-1), po) and curcumin (80mgkg(-1), po) for their hepatoprotective efficacy against mercuric chloride (HgCl2: 12μmolkg(-1), ip; once only) hepatotoxicity. The HgCl2 administration altered various biochemical parameters, including transaminases, alkaline phosphatase, lactate dehydrogenase, bilirubin, gamma-glutamyl transferase, triglycerides and cholesterol contents with a concomitant decline in protein and albumin concentration in serum which were restored towards control by therapy of Curcuma longa or curcumin...
March 20, 2017: Experimental and Toxicologic Pathology: Official Journal of the Gesellschaft Für Toxikologische Pathologie
https://www.readbyqxmd.com/read/28336111/hepatoprotective-effects-of-curcumin-in-rats-after-bile-duct-ligation-via-downregulation-of-rac1-and-nox1
#10
Zohreh-Al-Sadat Ghoreshi, Razieh Kabirifar, Fatemeh Safari, Alireza Karimollah, Ali Moradi, Ebrahim Eskandari-Nasab
OBJECTIVES: New evidence has proven the hepatoprotective activity of curcumin; however, its underlying mechanisms remain to be elucidated. The aim of this study was to investigate the protective effect of curcumin on hepatic damage by measuring the antioxidant capacity and expression level of Rho-related C3 botulinum toxin substrate (Rac1), Rac1-Guanosine triphosphate (Rac1-GTP), and NADPH oxidase 1(NOX1) in biliary duct-ligated (BDL)-fibrotic rat model. METHODS: Wistar rats weighing 200 to 250 g were divided into four groups (n = 8 for each): sham group, sham+Cur group (received curcumin 100 mg/kg daily), BDL+Cur group, and BDL group...
April 2017: Nutrition
https://www.readbyqxmd.com/read/28333071/combined-effects-of-curcumin-and-lycopene-or-bixin-in-yoghurt-on-inhibition-of-ldl-oxidation-and-increases-in-hdl-and-paraoxonase-levels-in-streptozotocin-diabetic-rats
#11
Renata Pires Assis, Carlos Alberto Arcaro, Vânia Ortega Gutierres, Juliana Oriel Oliveira, Paulo Inácio Costa, Amanda Martins Baviera, Iguatemy Lourenço Brunetti
Combination therapy using natural antioxidants to manage diabetes mellitus and its complications is an emerging trend. The aim of this study was to investigate the changes promoted by treatment of streptozotocin (STZ)-diabetic rats with yoghurt enriched with the bioactives curcumin, lycopene, or bixin (the latter two being carotenoids). Antioxidants were administered individually, or as mixtures, and biomarkers of metabolic and oxidative disturbances, particularly those associated with cardiovascular risk, were assessed...
March 23, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28331366/the-effects-of-turmeric-curcumin-on-tumor-suppressor-protein-p53-and-estrogen-receptor-er%C3%AE-in-breast-cancer-cells
#12
Kelly Hallman, Katie Aleck, Brigitte Dwyer, Victoria Lloyd, Meghan Quigley, Nada Sitto, Amy E Siebert, Sumi Dinda
Curcumin (CUR) is a compound that has antibacterial, antiviral, anti-inflammatory, and anticancer properties. In this study, we have analyzed the effects of CUR on the expression of ERα and p53 in the presence of hormones and anti-hormones in breast cancer cells. Cells were cultured in a medium containing charcoal-stripped fetal bovine serum to deplete any endogenous steroids and treated with CUR at varying concentrations or in combination with hormones and anti-hormones. Protein analysis revealed a relative decrease in the levels of p53 and ERα upon treatment with 5-60 µM CUR...
2017: Breast Cancer: Targets and Therapy
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
#13
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/28327607/corrigendum-development-and-characterization-of-lecithin-based-self-assembling-mixed-polymeric-micellar-sampms-drug-delivery-systems-for-curcumin
#14
Ling-Chun Chen, Yin-Chen Chen, Chia-Yu Su, Wan-Ping Wong, Ming-Thau Sheu, Hsiu-O Ho
No abstract text is available yet for this article.
March 22, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28326684/collagen-cellulose-nanocrystal-scaffolds-containing-curcumin-loaded-microspheres-on-infected-full-thickness-burns-repair
#15
Rui Guo, Yong Lan, Wei Xue, Biao Cheng, Yuanming Zhang, Changyong Wang, Seeram Ramakrishna
Burn infection is a serious problem that delays wound healing and leads to death. Curcumin (Cur) has been shown to exhibit antioxidant, anti-inflammatory, antimicrobial and anticarcinogenic activity. However, its instability, extremely low aqueous solubility and bioavailability in physiological fluids may make it difficult to maintain local Cur concentrations above the minimum inhibitory concentration for burn infection treatment. The objective of this study was to construct complexes of Cur/gelatin microspheres (GMs) and porous collagen (Coll)-cellulose nanocrystals (CNCs) composite scaffolds for full-thickness burn infection treatment...
March 22, 2017: Journal of Tissue Engineering and Regenerative Medicine
https://www.readbyqxmd.com/read/28323388/enhanced-intestinal-absorption-of-curcumin-in-caco-2-cell-monolayer-using-mucoadhesive-nanostructured-lipid-carriers
#16
Sanipon Chanburee, Waree Tiyaboonchai
This study aimed to compare the intestinal permeation of curcumin-loaded polymer coated nanostructured lipid carriers (NLCs) and uncoated NLCs using the Caco-2 cell model. The uncoated NLCs were prepared using a warm microemulsion technique, while polymer-coated NLCs were prepared with the same method but were followed by coating particle surface with polyethylene glycol (PEG) 400 or polyvinyl alcohol (PVA). After lyophilization, all formulations possessed a mean size of <400 nm with a zeta potential of ∼-30 mV and a high entrapment efficacy up to 90%...
March 21, 2017: Journal of Biomedical Materials Research. Part B, Applied Biomaterials
https://www.readbyqxmd.com/read/28323109/self-emulsifying-drug-delivery-systems-design-of-a-novel-vaginal-delivery-system-for-curcumin
#17
S Köllner, I Nardin, R Markt, J Griesser, F Prüfert, A Bernkop-Schnürch
AIM: The aim of this study was to develop a vaginal self-emulsifying delivery system for curcumin being capable of spreading, of permeating the mucus gel layer and of protecting the drug being incorporated in oily nanodroplets towards mucus interactions and immobilization. METHODS: The emulsifying properties of curcumin loaded SEDDS containing 30% Cremophor RH40, 20% Capmul PG-8, 30% Captex 300, 10% DMSO and 10% tetraglycol (SEDD formulation A) as well as 25% PEG 200, 35% Cremophor RH40, 20% Captex 355, 10% Caprylic acid and 10% Tween 80 (SEDD formulation B) after diluting 1+2 with artificial vaginal fluid were characterized regarding droplet size and zeta potential...
March 17, 2017: European Journal of Pharmaceutics and Biopharmaceutics
https://www.readbyqxmd.com/read/28323035/naturally-occurring-anti-cancer-agents-targeting-ezh2
#18
Fahimeh Shahabipour, Michele Caraglia, Muhammed Majeed, Giuseppe Derosa, Pamela Maffioli, Amirhossein Sahebkar
Natural products are considered as promising tools for the prevention and treatment of cancer. The enhancer of zeste homolog 2 (EZH2) is a histone methyltransferase unit of polycomb repressor complexes such as PRC2 complex that has oncogenic roles through interference with growth and metastatic potential. Several agents targeting EZH2 has been discovered but they often induce side effects in clinical trials. Recently, EZH2 has emerged as a potential target of natural products with documented anti-cancer effects and this discloses a new scenario for the development of EZH2 inhibitory strategies with agents with low cytotoxic detrimental effects...
March 17, 2017: Cancer Letters
https://www.readbyqxmd.com/read/28322948/development-of-curcumin-loaded-chitosan-polymer-based-nanoemulsion-gel-in-vitro-ex-vivo-evaluation-and-in-vivo-wound-healing-studies
#19
Lydia Thomas, Foziyah Zakira, Mohd Aamir Mirza, Md Khalid Anwer, Farhan Jalees Ahmad, Zeenat Iqbal
In the present study, various nanoemulsions were prepared using Labrafac PG+Triacetin as oil, Tween 80 as a surfactant and polyethylene glycol (PEG 400) as a co-surfactant. The developed nanoemulsions (NE1-NE5) were evaluated for physicochemical characterizations and ex-vivo for skin permeation and deposition studies. The highest skin deposition was observed for NE2 with 46.07% deposition amongst all developed nanoemulsions (NE1-NE5). Optimized nanoemulsion (NE2) had vesicle size of 84.032±0.023nm, viscosity 78...
March 16, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/28322926/caffeine-inhibition-of-glut1-is-dependent-on-the-activation-state-of-the-transporter
#20
Leesha K Gunnink, Brianna M Busscher, Jeremy A Wodarek, Kylee A Rosette, Lauren E Strohbehn, Brendan D Looyenga, Larry L Louters
Caffeine has been shown to be a robust uncompetitive inhibitor of glucose uptake in erythrocytes. It preferentially binds to the nucleotide-binding site on GLUT1 in its tetrameric form and mimics the inhibitory action of ATP. Here we demonstrate that caffeine is also a dose-dependent, uncompetitive inhibitor of 2-deoxyglucose (2DG) uptake in L929 fibroblasts. The inhibitory effect on 2DG uptake in these cells was reversible with a rapid onset and was additive to the competitive inhibitory effects of glucose itself, confirming that caffeine does not interfere with glucose binding...
March 17, 2017: Biochimie
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