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Curcumin

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https://www.readbyqxmd.com/read/28934730/dihydroartemisinin-and-curcumin-synergistically-induce-apoptosis-in-skov3-cells-via-upregulation-of-mir-124-targeting-midkine
#1
Jiaojiao Zhao, Yuchen Pan, Xiujun Li, Xuefang Zhang, Yaxian Xue, Tingting Wang, Shuli Zhao, Yayi Hou
BACKGROUND/AIM: Women with advanced ovarian carcinoma are less likely to receive platinum-based chemotherapy and surgery due to a greater risk of cytotoxicity and poorer outcomes. We attempted to improve a promising therapy against ovarian cancer by using a combination of dihydroartemisinin (DHA) and curcumin (Cur). METHODS: Human ovarian cancer SKOV3 cells were treated with DHA, Cur alone, or a combination of both. The viability of SKOV3 cells was measured by Cell Counting Kit-8 (CCK-8) and a colony formation assay...
September 21, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28932197/antiplasmodial-activity-and-toxicological-assessment-of-curcumin-plga-encapsulated-nanoparticles
#2
Zulaikha A Busari, Kabiru A Dauda, Olajumoke A Morenikeji, Funmilayo Afolayan, Oyetunde T Oyeyemi, Jairam Meena, Debasis Sahu, Amulya K Panda
Curcumin is a polyphenolic pigment isolated from the rhizomes of Curcuma longa (turmeric), a medicinal plant widely used in the ancient Indian and Chinese medicine. The antiplasmodial activity of curcumin is often hampered by its fast metabolism and poor water solubility, thus its incorporation into a delivery system could circumvent this problem. This study aimed to evaluate the in vivo antiplasmodial activity and the toxicity assessment of curcumin incorporated into poly (lactic-co-glycolic) acid (PLGA) nanoparticles...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28932183/plant-polyphenols-and-exendin-4-prevent-hyperactivity-and-tnf-%C3%AE-release-in-lps-treated-in-vitro-neuron-astrocyte-microglial-networks
#3
Francesca Gullo, Michela Ceriani, Alessia D'Aloia, Enzo Wanke, Andrew Constanti, Barbara Costa, Marzia Lecchi
Increasing evidence supports a decisive role for neuroinflammation in the neurodegenerative process of several central nervous system (CNS) disorders. Microglia are essential mediators of neuroinflammation and can regulate a broad spectrum of cellular responses by releasing reactive oxygen intermediates, nitric oxide, proteases, excitatory amino acids, and cytokines. We have recently shown that also in ex-vivo cortical networks of neurons, astrocytes and microglia, an increased level of tumor necrosis factor-alpha (TNF-α) was detected a few hours after exposure to the bacterial endotoxin lipopolysaccharide (LPS)...
2017: Frontiers in Neuroscience
https://www.readbyqxmd.com/read/28931469/restorative-effects-of-curcumin-on-sleep-deprivation-induced-memory-impairments-and-structural-changes-of-the-hippocampus-in-a-rat-model
#4
Ali Noorafshan, Fatemeh Karimi, Ali-Mohammad Kamali, Saied Karbalay-Doust, Mohammad Nami
The present study examined the consequences of rapid eye-movement sleep-deprivation (REM-SD) with or without curcumin treatment. The outcome measures comprised quantitative features in the three-dimensional reconstructed (3DR) CA1 and dentate gyrus in experimental and control animals using stereological procedures. Male rats were arbitrarily assigned to nine groups based on the intervention and treatment administered including: 1-cage control+distilled water, 2-cage control+curcumin (100mg/kg/day), 3-cage control+olive oil, 4-REM-SD+distilled water, 5-REM-SD+curcumin, 6-REM-SD+olive oil, 7-grid-floor control+distilled water, 8-grid-floor control+curcumin, and 9-grid-floor control+olive oil...
September 17, 2017: Life Sciences
https://www.readbyqxmd.com/read/28930649/ph-multistage-responsive-micellar-system-with-charge-switch-and-peg-layer-detachment-for-co-delivery-of-paclitaxel-and-curcumin-to-synergistically-eliminate-breast-cancer-stem-cells
#5
Zhe Yang, Na Sun, Rui Cheng, Chenyang Zhao, Zerong Liu, Xian Li, Jie Liu, Zhongmin Tian
Several studies have demonstrated that cancer stem cells (CSCs) are responsible for replenishing bulk tumor cells, generating new tumors and causing metastasis and relapse. Although combination therapy with multiple chemotherapeutics is considered to be a promising approach for simultaneously eliminating non-CSCs and CSCs, it is difficult to deliver drugs into the inner region of a solid tumor where the CSCs are located due to a lack of capillaries. Here, we synthesized a pH-sensitive polymer, poly(ethylene glycol)-benzoic imine-poly(γ-benzyl-l-aspartate)-b-poly(1-vinylimidazole) block copolymer (PPBV), to develop a pH multistage responsive micellar system for co-delivering paclitaxel and curcumin and synergistically eliminating breast cancer stem cells (bCSCs) and non-bCSCs...
September 10, 2017: Biomaterials
https://www.readbyqxmd.com/read/28930270/protective-effects-of-six-selected-dietary-compounds-against-leptin-induced-proliferation-of-oestrogen-receptor-positive-mcf-7-breast-cancer-cells
#6
Meran Keshawa Ediriweera, Kamani Hemamala Tennekoon, Sameera Ranganath Samarakoon, Ira Thabrew, E Dilip de Silva
BACKGROUND: Obesity is considered as one of the risk factors for breast cancer. Leptin has been found to be involved in breast cancer progression. Therefore, novel approaches to antagonize biological effects of leptin are much needed. The objective of this study was to evaluate the protective effects of six dietary compounds (quercetin, curcumin, gallic acid, epigallocatechin gallate (EGCG), ascorbic acid and catechin) and assess the phosphorylation of extracellular signal-regulated kinase 1/2 (ERK1/2) in leptin-stimulated MCF-7 breast cancer cells in vitro...
July 26, 2017: Medicines (Basel, Switzerland)
https://www.readbyqxmd.com/read/28929674/-molecular-mechanisms-of-autophagy-in-regulating-renal-aging-and-interventional-effects-of-chinese-herbal-medicine
#7
REVIEW
Yue Tu, Wei Sun, Di-Ping Chen, Yi-Gang Wan, Wei Wu, Jian Yao
Aging is the gradual functional recession of the living tissues or organs caused by a variety of genetic and environmental factors together. Autophagy is a process of degrading cytoplasmic components mediated by lysosomes in eukaryotic cells. Kidney is a typical target organ of aging. Autophagy regulates renal aging. Decrease in autophagy can accelerate renal aging,whereas,increase in autophagy can delay renal aging. During the process of regulating renal aging,the mammalian target of rapamycin (mTOR) and its related signaling pathways including the adenosine monophosphate activated protein kinase (AMPK)/mTOR,the phosphatidylinositol 3-kinase (PI3K)/ serine-threonine kinase(Akt)/mTOR,the AMPK/silent information regulation 1 (Sirt1) and transforming growth factor β (TGF-β) play the important roles in renal aging...
November 2016: Zhongguo Zhong Yao za Zhi, Zhongguo Zhongyao Zazhi, China Journal of Chinese Materia Medica
https://www.readbyqxmd.com/read/28929270/mode-of-treatment-governs-curcumin-response-on-doxorubicin-induced-toxicity-in-cardiomyoblasts
#8
Aditi Jain, Vibha Rani
Doxorubicin (Dox) is an effective anti-cancer drug with severe reported cardiotoxicity. Cardiovascular risks associated with present cancer therapeutics demand urgent attention. There has been a growing interest in naturally occurring compounds to improve the therapeutic index as well as prevent non-tumour tissues from sustaining chemotherapy-induced damages. In the present study, the effects of curcumin, a polyphenol isolated from Curcuma longa and well known for its anti-oxidative, anti-cancerous and anti-inflammatory properties, was studied in relation to the Dox-induced cardiotoxicity...
September 19, 2017: Molecular and Cellular Biochemistry
https://www.readbyqxmd.com/read/28929026/curcumin-longa-extract-loaded-nanoemulsion-improves-the-survival-of-endotoxemic-mice-by-inhibiting-nitric-oxide-dependent-hmgb1-release
#9
Min Young Ahn, Jung Seok Hwang, Su Bi Lee, Sun Ah Ham, Jinwoo Hur, Jun Tae Kim, Han Geuk Seo
BACKGROUND: High mobility group box 1 (HMGB1) is a well-known damage-related alarmin that participates in cellular inflammatory responses. However, the mechanisms leading to HMGB1 release in inflammatory conditions and the therapeutic agents that could prevent it remain poorly understood. This study attempted to examine whether the Curcumin longa herb, which is known to have anti-inflammatory property, can modulate cellular inflammatory responses by regulating HMGB1 release. METHODS: The murine macrophage RAW264...
2017: PeerJ
https://www.readbyqxmd.com/read/28928819/curcumin-induced-autophagy-anticancer-effects-on-human-lung-adenocarcinoma-cell-line-a549
#10
Furong Liu, Song Gao, Yuxuan Yang, Xiaodan Zhao, Yameng Fan, Wenxia Ma, Danrong Yang, Aimin Yang, Yan Yu
To investigate the anticancer effects of curcumin-induced autophagy and its effects on the human lung adenocarcinoma A549 cell line, inverted phase contrast microscopy was used to observe alterations to the cytomorphology of cells. An MTT assay was used to measure cell viability. Autophagy was detected using acridine orange (AO) staining and 3-methyladenine (3-MA) was used as an autophagy-specific inhibitor. Dose- and time-dependent A549 cell viability inhibition was observed following curcumin treatment. A dose-dependent increase in the red fluorescent structures in A549 cells was identified following curcumin treatment for 48 h through AO staining...
September 2017: Oncology Letters
https://www.readbyqxmd.com/read/28928074/curcumin-or-combined-curcuminoids-are-effective-in-lowering-the-fasting-blood-glucose-concentrations-of-individuals-with-dysglycemia-systematic-review-and-meta-analysis-of-randomized-controlled-trials
#11
Ingrid Sofia Vieira de Meloa, Aldenir Feitosa Dos Santosb, Nassib Bezerra Buenoc
Curcuminoids have received considerable attention as therapeutical adjuvants in the treatment of dysglycemia. The purpose of this meta-analysis was to evaluate whether the supplementation of turmeric extract, curcuminoids and/or isolated curcumin is more effective than placebo in decreasing fasting blood glucose (FBG) in adults. MEDLINE, CENTRAL, ScienceDirect and gray literature databases were searched. Randomized controlled trials with the following criteria were included: (1) studied individuals older than 18 years, supplemented with curcumin, curcuminoids and/or turmeric extract (2) had a follow-up ≥4 weeks (3) used a placebo group...
September 16, 2017: Pharmacological Research: the Official Journal of the Italian Pharmacological Society
https://www.readbyqxmd.com/read/28927842/synthesis-and-preparation-of-biodegradable-hybrid-dextran-hydrogel-incorporated-with-biodegradable-curcumin-nanomicelles-for-full-thickness-wound-healing
#12
Mona Alibolandi, Marzieh Mohammadi, Seyed Mohammad Taghdisi, Khalil Abnous, Mohammad Ramezani
There is a clinical need for a novel, more efficient therapy for full thickness wound healing. In the current study, curcumin encapsulated PEG-PLA [poly(lactide)-block-poly(ethylene glycol)] nanomicelles were incorporated into dextran hydrogel for a full thickness dermal wound healing application. To assess the application of the hydrogel as a therapeutic wound dressing, its morphology, swelling pattern, kinetics of degradation, and capacity to control curcumin release were evaluated. It was found that the prepared hybrid hydrogel had acceptable biocompatibility, incorporation capacity of curcumin nanomicelles, and mechanical properties...
September 16, 2017: International Journal of Pharmaceutics
https://www.readbyqxmd.com/read/28927092/synergistic-anticancer-effect-of-curcumin-and-chemotherapy-regimen-fp-in-human-gastric-cancer-mgc-803-cells
#13
Bin He, Wen Wei, Ji Liu, Yundan Xu, Gang Zhao
Curcumin is an anticancer compound that exerts anti-proliferative and apoptotic effects via multiple molecular targets. The purpose of the present study was to investigate the anticancer effects of curcumin in combination with 5-fluorouracil plus cisplatin (FP) on the MGC-803 human gastric cancer cell line. Following treatment with curcumin and/or FP for 24, 48 and 72 h, cell viability, cell cycle progression and the apoptosis rate were evaluated using an MTT assay, flow cytometry and dual acridine orange/ethidium bromide staining, respectively...
September 2017: Oncology Letters
https://www.readbyqxmd.com/read/28926928/curcumin-inhibited-growth-of-human-melanoma-a375-cells-via-inciting-oxidative-stress
#14
Wang Liao, Wei Xiang, Fei-Fei Wang, Rui Wang, Yan Ding
Curcumin, a polyphenol compound, possesses potent pharmacological properties in preventing cancers, which make it as a potential anti-cancer mediator. However, it is still unknown that whether Curcumin induced melanoma A375 cell was associated with oxidative stress. Here, we firstly found a fascinating result that Curcumin could reduce the proliferation and induced apoptosis of human melanoma A375 cells. Meanwhile, IC50 of Curcumin on A375 cells is 80μM at 48h. In addition, Curcumin caused oxidative stress through inducing further ROS burst, decreasing GSH, and wrecking mitochondria membrane potential (MMP), which were reversed by ROS inhibitor N-acetylcysteine (NAC)...
September 15, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28926094/curcumin-regulates-proliferation-autophagy-and-apoptosis-in-gastric-cancer-cells-by-affecting-pi3k-and-p53-signaling
#15
Hongbing Fu, Changming Wang, Dejun Yang, Xin Zhang, Ziran Wei, Zhenxin Zhu, Jiapeng Xu, Zunqi Hu, Yu Zhang, Weimin Wang, Ronglin Yan, Qingping Cai
In this study, we aimed to investigate the effects of curcumin on cell activities of gastric cancer (GC), and the connection between curcumin and P53 as well as PI3K signaling. This study was conducted with two cell lines SGC-7901 and BGC-823, both were exposed to curcumin at the concentrations of 0 µM, 10 µM, 20 µM and 40 µM. MTT assay, flow cytometry (FCM) assay, transmission electron microscopy (TEM) were used to study the underlying mechanisms of curcumin in respective of proliferation, apoptosis and autophagy...
September 19, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/28925892/natural-active-compounds-from-plant-food-and-chinese-herbal-medicine-for-nonalcoholic-fatty-liver-disease
#16
Qian Liu, Lixin Zhu, Chen Cheng, Yiyang Hu, Qin Feng
Nonalcoholic fatty liver disease (NAFLD) has become more prevalent worldwide. It is often associated with some metabolic diseases, such as obesity, type 2 diabetes, and metabolic syndrome. With increasing focus on the treatment of fatty liver, much attention has been paid to numerous medicinal herbs and dietary substances to provide a new strategy for NAFLD treatment. The natural active compounds from the herbs or diet have been studied as promising treatments for NAFLD. This study aimed to summarize the use and mechanism of action of natural active compounds in the treatment of NAFLD in the recent 10 years...
September 18, 2017: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/28925166/-comparison-of-pharmacokinetics-of-curcumin-in-rats-administered-with-two-kinds-of-polymeric-micelles
#17
Di Zhang, Qian Xu, Ke Liu, Hui Xu
To investigate the effect of end-capped modification of mPEG-PLA with Boc-phenylalanine(BP) on pharmacokinetic characteristics of curcumin(CUR) loaded micelles, and then provide experimental evidence for prescription optimization. Healthy male SD rats were randomly divided into three groups and they were intravenously administered with a single injection of CUR-mPEG-PLA micelles, CUR-mPEG-PLA-BP micelles and reference formulations DMSO solution(n=6). The doses were 20 mg•kg⁻¹ in term of CUR. Blood samples were collected before and after administration, and the concentration of curcumin in blood plasma was determined by HPLC to draw time-concentration curve...
October 2016: Zhongguo Zhong Yao za Zhi, Zhongguo Zhongyao Zazhi, China Journal of Chinese Materia Medica
https://www.readbyqxmd.com/read/28925159/-screening-of-anti-lung-cancer-bioactive-compounds-from-curcuma-longa-by-target-cell-extraction-and-uhplc-ltq-orbitrap-ms
#18
Jian-Liang Zhou, Ye-Qing Wu, Chun-Mei Tan, Ming Zhu, Lin-Ke Ma
A target cell extraction-chemical profiling method based on human alveolar adenocarcinoma cell line (A549 cells) and UHPLC/LTQ Orbitrap MS for screening the anti-lung cancer bioactive compounds from Curcuma longa has been developed in this paper. According to the hypothesis that when cells are incubated together with the extract of Curcuma longa, the potential bioactive compounds in the extract should selectively combine with the cells, then the cell-binding compounds could be separated and analyzed by LC-MS...
October 2016: Zhongguo Zhong Yao za Zhi, Zhongguo Zhongyao Zazhi, China Journal of Chinese Materia Medica
https://www.readbyqxmd.com/read/28921388/immunomodulatory-potential-of-nanocurcumin-based-formulation
#19
Mahendra Kumar Trivedi, Sambhu Charan Mondal, Mayank Gangwar, Snehasis Jana
Vitamins, minerals, and nanocurcumin play a substantial role in various nutraceutical/pharmaceutical formulations that are widely used in therapeutics, cosmetics, and dietary supplements. The current study aimed to investigate the comparative in vitro immunomodulatory effect of a novel nanocurcumin-based formulation with curcumin in LPS-induced cytokine expression, NK cells' activity, and phagocytosis. The proinflammatory cytokines (TNF-α, IL-1β, and MIP-1α) and NK cells' activity were measured in cell supernatants using ELISA assay; however, phagocytosis activity was performed using colorimetric analysis...
September 18, 2017: Inflammopharmacology
https://www.readbyqxmd.com/read/28920693/ph-tunable-and-divalent-metal-ion-tolerant-polymer-lipid-nanodiscs
#20
Thirupathi Ravula, Nathaniel Hardin, Sudheer Ramadugu, Ayyalusamy Ramamoorthy
The development and applications of detergent-free membrane mimetics have been the focus for the high-resolution structural and functional studies on membrane proteins. The introduction of lipid nanodiscs has attracted new attention towards the structural biology of membrane proteins and also enabled biomedical applications. Lipid nanodiscs provide a native lipid bilayer environment similar to the cell membrane surrounded by a belt made up of proteins or peptides. Recent studies have shown that the hydrolyzed form of styrene maleic anhydride copolymer (SMA) has the ability to form lipid nanodiscs and has several advantages over protein or peptide based nanodiscs...
September 18, 2017: Langmuir: the ACS Journal of Surfaces and Colloids
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