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https://www.readbyqxmd.com/read/28441794/reciprocal-interactions-of-leukemic-cells-with-bone-marrow-stromal-cells-promote-enrichment-of-leukemic-stell-cell-compartments-in-response-to-curcumin-and-daunorubicin
#1
Saeed Mohammadi, Mohsen Nikbakht, Seyed Mehdi Sajjadi, Fariba Rad, Bahram Chahardouli, Javid Sabour Takanlu, Shahrbano Rostami, Kamran Alimoghaddam, Ardeshir Ghavamzadeh, Seyed H Ghaffari
A predominant challenge in developing curative leukemia therapy is interactions of leukemic cells with the bone marrow stromal microenvironment. We aimed to investigate the role of stromal cells, such as bone marrow mesenchymal stromal cells (BMSCs) and osteoblasts (OBs), in curcumin (CUR) and daunorubicin (DNR) induced apoptosis of acute myeloid leukemia (AML) cells. We used KG1 and U937 as leukemia cell line models and treated them with CUR and DNR. The cells were then co-cultured with BMSCs or a combination of BMSCs and OBs as feeders...
March 1, 2017: Asian Pacific Journal of Cancer Prevention: APJCP
https://www.readbyqxmd.com/read/28440434/preclinical-studies-for-the-combination-of-paclitaxel-and-curcumin-in-cancer-therapy-review
#2
Yumeng Wei, Xinlin Pu, Ling Zhao
Cancer is one of the most common causes of death and remains the first in China and the second in the US. The common treatments for cancer include surgery, radiation, chemotherapy, targeted therapy and immunotherapy, while chemotherapy remains one of the most important treatments. However, the efficacy of chemotherapy is limited due to drug induced-toxicities and resistance, particularly multiple drug resistance (MDR). Therefore, discovery and development of novel therapeutic drugs and/or combination therapy are urgently needed to reduce toxicity and improve efficacy...
April 20, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28439402/upregulation-of-heme-oxygenase-1-expression-by-curcumin-conferring-protection-from-hydrogen-peroxide-induced-apoptosis-in-h9c2-cardiomyoblasts
#3
Xiaobo Yang, Hong Jiang, Yao Shi
BACKGROUND: Curcumin is a major constituent of rhizomes of Curcuma longa that elicits beneficial effects for oxidative damage. The aim of this study was to investigate whether curcumin could attenuate hydrogen peroxide (H2O2)-induced apoptosis in H9c2 cardiomyoblasts and the underlying mechanisms. RESULTS: The present study showed that exposure of H9c2 cells to H2O2 caused a significant increase in apoptosis as evaluated by flow cytometry analysis and the pretreatment of curcumin protected against H2O2-induced apoptosis...
2017: Cell & Bioscience
https://www.readbyqxmd.com/read/28439094/selective-targeting-of-cancer-cells-by-oxidative-vulnerabilities-with-novel-curcumin-analogs
#4
Christopher Pignanelli, Dennis Ma, Megan Noel, Jesse Ropat, Fadi Mansour, Colin Curran, Simon Pupulin, Kristen Larocque, Jianzhang Wu, Guang Liang, Yi Wang, Siyaram Pandey
Recently, research has focused on targeting the oxidative and metabolic vulnerabilities in cancer cells. Natural compounds like curcumin that target such susceptibilities have failed further clinical advancements due to the poor stability and bioavailability as well as the need of high effective doses. We have synthesized and evaluated the anti-cancer activity of several monocarbonyl analogs of curcumin. Interestingly, two novel analogs (Compound A and I) in comparison to curcumin, have increased chemical stability and have greater anti-cancer activity in a variety of human cancer cells, including triple-negative, inflammatory breast cancer cells...
April 24, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28438698/chitosan-and-hyaluronan-coated-liposomes-for-pulmonary-administration-of-curcumin
#5
Maria Manconi, Maria Letizia Manca, Donatella Valenti, Elvira Escribano, Hervé Hillaireau, Anna Maria Fadda, Elias Fattal
Aiming at improving the nebulization performances and lung antioxidant protection of curcumin, chitosan or hyaluronan-coated liposomes were prepared and their characteristics and performances were compared with that of uncoated liposomes. Curcumin loaded liposomes displayed a diameter lower than 100nm, the coating with both polymers led to a small increase of vesicle size around 130nm and the zeta potential turned to positive values using chitosan while remained negative using hyaluronan. Chitosan allowed the formation of more lamellar and stiffer vesicles with a higher bilayer thickness (dB∼59Ǻ) with respect to the uncoated liposomes, whereas hyaluronan allowed the interdigitation of the bilayers (dB∼47Ǻ) due to the polymer intercalation between phospholipid head groups resulting in vesicles mainly organized in uncorrelated bilayers...
April 21, 2017: International Journal of Pharmaceutics
https://www.readbyqxmd.com/read/28438019/l-phenylalanine-tethered-naphthalene-diimide-based-aggregation-induced-green-emitting-organic-nanoparticles
#6
Pritam Choudhury, Krishnendu Das, Prasanta Kumar Das
The present article delineates the formation of green fluorescent organic nanoparticle through supramolecular aggregation of naphthalene diimide (NDI) based carboxybenzyl protected L-phenylalanine appended bola-amphiphile, NDI-1. The amphiphilic molecule is soluble in DMSO and with gradual addition of water within the DMSO solution, the amphiphile starts to get self-assembled via H-type aggregation to form spherical nanoparticles. These self-assembly of NDI-1 in presence of high amount of water, exhibited aggregation induced emission (AIE) through excimer formation...
April 24, 2017: Langmuir: the ACS Journal of Surfaces and Colloids
https://www.readbyqxmd.com/read/28436718/design-of-a-novel-curcumin-soybean-phosphatidylcholine-complex-based-targeted-drug-delivery-systems
#7
Jiajiang Xie, Yanxiu Li, Liang Song, Zhou Pan, Shefang Ye, Zhenqing Hou
Recently, the global trend in the field of nanomedicine has been toward the design of combination of nature active constituents and phospholipid (PC) to form a therapeutic drug-phospholipid complex. As a particular amphiphilic molecular complex, it can be a unique bridge of traditional dosage-form and novel drug delivery system. In thisarticle, on the basis of drug-phospholipid complex technique and self-assembly technique, we chose a pharmacologically safe and low toxic drug curcumin (CUR) to increase drug-loading ability, achieve controlled/sustained drug release and improve anticancer activity...
November 2017: Drug Delivery
https://www.readbyqxmd.com/read/28435333/new-insights-into-therapeutic-activity-and-anticancer-properties-of-curcumin
#8
REVIEW
Abir Kumar Panda, Dwaipayan Chakraborty, Irene Sarkar, Tila Khan, Gaurisankar Sa
Natural compounds obtained from plants are capable of garnering considerable attention from the scientific community, primarily due to their ability to check and prevent the onset and progress of cancer. These natural compounds are primarily used due to their nontoxic nature and the fewer side effects they cause compared to chemotherapeutic drugs. Furthermore, such natural products perform even better when given as an adjuvant along with traditional chemotherapeutic drugs, thereby enhancing the potential of chemotherapeutics and simultaneously reducing their undesired side effects...
2017: Journal of Experimental Pharmacology
https://www.readbyqxmd.com/read/28435252/polyphenol-nanoformulations-for-cancer-therapy-experimental-evidence-and-clinical-perspective
#9
REVIEW
Yasamin Davatgaran-Taghipour, Salar Masoomzadeh, Mohammad Hosein Farzaei, Roodabeh Bahramsoltani, Zahra Karimi-Soureh, Roja Rahimi, Mohammad Abdollahi
Cancer is defined as the abnormal cell growth that can cause life-threatening malignancies with high financial costs for patients as well as the health care system. Natural polyphenols have long been used for the prevention and treatment of several disorders due to their antioxidant, anti-inflammatory, cytotoxic, antineoplastic, and immunomodulatory effects discussed in the literature; thus, these phytochemicals are potentially able to act as chemopreventive and chemotherapeutic agents in different types of cancer...
2017: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/28435247/delivery-of-curcumin-by-directed-self-assembled-micelles-enhances-therapeutic-treatment-of-non-small-cell-lung-cancer
#10
Wen-Ting Zhu, Sheng-Yao Liu, Lei Wu, Hua-Li Xu, Jun Wang, Guo-Xin Ni, Qing-Bing Zeng
BACKGROUND: It has been widely reported that curcumin (CUR) exhibits anticancer activity and triggers the apoptosis of human A549 non-small-cell lung cancer (NSCLC) cells. However, its application is limited owing to its poor solubility and bioavailability. Therefore, there is an urgent need to develop a new CUR formulation with higher water solubility and better biocompatibility for clinical application in the future. MATERIALS AND METHODS: In this study, CUR-loaded methoxy polyethylene glycol-polylactide (CUR/mPEG-PLA) polymeric micelles were prepared by a thin-film hydration method...
2017: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/28434042/erratum-to-curcumin-induces-g2-m-arrest-apoptosis-nf-%C3%AE%C2%BAb-inhibition-and-expression-of-differentiation-genes-in-thyroid-carcinoma-cells
#11
Suzan Schwertheim, Frederik Wein, Klaus Lennartz, Karl Worm, Kurt Werner Schmid, Sien-Yi Sheu-Grabellus
No abstract text is available yet for this article.
April 22, 2017: Journal of Cancer Research and Clinical Oncology
https://www.readbyqxmd.com/read/28431975/liposomal-curcumin-alters-chemosensitivity-of-breast-cancer-cells-to-adriamycin-via-regulating-microrna-expression
#12
Siying Zhou, Jian Li, Hanzi Xu, Sijie Zhang, Xiu Chen, Wei Chen, Sujin Yang, Shanliang Zhong, Jianhua Zhao, Jinhai Tang
BACKGROUND: Emerging evidence suggests that curcumin can overcome drug resistance to classical chemotherapies, but poor bioavailability and low absorption have limited its clinical use and the mechanisms remain unclear. Also, Adriamycin (Adr) is one of the most active cytotoxic agents in breast cancer; however, the high resistant rate of Adr leads to a poor prognosis. METHODS: We utilized encapsulation in liposomes as a strategy to improve the bioavailability of curcumin and demonstrated that liposomal curcumin altered chemosensitivity of Adr-resistant MCF-7 human breast cancer (MCF-7/Adr) by MTT assay...
April 18, 2017: Gene
https://www.readbyqxmd.com/read/28430149/synthesis-and-antiviral-activity-of-novel-1-4-pentadien-3-one-derivatives-containing-a-1-3-4-thiadiazole-moiety
#13
Lu Yu, Xiuhai Gan, Dagui Zhou, Fangcheng He, Song Zeng, Deyu Hu
1,4-Pentadien-3-one derivatives derived from curcumin possess excellent inhibitory activity against plant viruses. On the basis of this finding, a series of novel 1,4-pentadien-3-one derivatives containing a 1,3,4-thiadiazole moiety were designed and synthesized, and their structures confirmed by IR, ¹H-NMR, and (13)C-NMR spectroscopy and elemental analysis. The antiviral activities of the title compounds were evaluated against tobacco mosaic virus (TMV) and cucumber mosaic virus (CMV) in vivo. The assay results showed that most of compounds had remarkable antiviral activities against TMV and CMV, among which compounds 4b, 4h, 4i, 4k, 4o, and 4q exhibited good curative, protection, and inactivation activity against TMV...
April 21, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28430129/curcumin-inhibits-apoptosis-of-chondrocytes-through-activation-erk1-2-signaling-pathways-induced-autophagy
#14
Xiaodong Li, Kai Feng, Jiang Li, Degang Yu, Qiming Fan, Tingting Tang, Xiao Yao, Xiaoqing Wang
Osteoarthritis (OA) is an inflammatory disease of load-bearing synovial joints that is currently treated with drugs that exhibit numerous side effects and are only temporarily effective in treating pain, the main symptom of the disease. Consequently, there is an acute need for novel, safe, and more effective chemotherapeutic agents for the treatment of osteoarthritis and related arthritic diseases. Curcumin, the principal curcuminoid and the most active component in turmeric, is a biologically active phytochemical...
April 21, 2017: Nutrients
https://www.readbyqxmd.com/read/28429336/effects-of-a-curcumin-based-supplementation-in-asymptomatic-subjects-with-low-bone-density-a-preliminary-24-week-supplement-study
#15
A Riva, S Togni, L Giacomelli, F Franceschi, R Eggenhoffner, B Feragalli, G Belcaro, M Cacchio, H Shu, M Dugall
OBJECTIVE: Osteopenia is a chronic bone condition characterized by decreased calcification, density, or bone mass that, if untreated, can lead to osteoporosis and bone fractures. Although its increasing prevalence, nowadays osteopenia is not adequately prevented and managed. In this study, we evaluated the efficacy, in term of changes in bone density, and safety of an oral formulation based on turmeric phytosome (Meriva®), in subjects suffering from low bone density. PATIENTS AND METHODS: 57 otherwise healthy subjects with low bone density were enrolled in this pilot, supplement study...
April 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28429187/curcumin-reverses-the-depressive-like-behavior-and-insulin-resistance-induced-by-chronic-mild-stress
#16
Ji-Duo Shen, Yu Wei, Yu-Jie Li, Jing-Yi Qiao, Yu-Cheng Li
Increasing evidence has demonstrated that patients with depression have a higher risk of developing type 2 diabetes. Insulin resistance has been identified as the key mechanism linking depression and diabetes. The present study established a rat model of depression complicated by insulin resistance using a 12-week exposure to chronic mild stress (CMS) and investigated the therapeutic effects of curcumin. Sucrose intake tests were used to evaluate depressive-like behaviors, and oral glucose tolerance tests (OGTT) and intraperitoneal insulin tolerance tests (IPITT) were performed to evaluate insulin sensitivity...
April 21, 2017: Metabolic Brain Disease
https://www.readbyqxmd.com/read/28428088/modulatory-effect-of-curcumin-against-genotoxicity-and-oxidative-stress-induced-by-cisplatin-and-methotrexate-in-male-mice
#17
Noha Ibrahim Said Salem, Magda Mohammad Noshy, Azza Ali Said
The use of dietary antioxidants to modulate the toxic side effects induced by the anticancer drugs used in chemotherapy is currently eliciting considerable interest. This study was undertaken to investigate the possible protective role of the antioxidant curcumin (CMN) against genotoxicity, cytotoxicity and oxidative stress induced by cisplatin and methotrexate. Male mice were administered CMN orally in the dosages of 60, 90, and 120 mg/kg for three consecutive days before a single intraperitoneal injection of either cisplatin (6...
April 17, 2017: Food and Chemical Toxicology
https://www.readbyqxmd.com/read/28427956/curcumin-poly-2-methyl-2-oxazoline-b-tetrahydrofuran-b-2-methyl-2-oxazoline-formulation-an-improved-penetration-and-biological-effect-of-curcumin-in-f508del-cftr-cell-lines
#18
Cristine Gonçalves, Jean-Pierre Gomez, William Même, Bazoly Rasolonjatovo, David Gosset, Steven Nedellec, Philippe Hulin, Cécile Huin, Tony Le Gall, Tristan Montier, Pierre Lehn, Chantal Pichon, Philippe Guégan, Hervé Cheradame, Patrick Midoux
Neutral amphiphilic triblock ABA copolymers are of great interest to solubilize hydrophobic drugs. We reported that a triblock ABA copolymer consisting of methyl-2-oxazoline (MeOx) and tetrahydrofuran (THF) (MeOx6-THF19-MeOx6) (TBCP2) can solubilize curcumin (Cur) a very hydrophobic molecule exhibiting multiple therapeutic effects but whose insolubility and low stability in water is a major drawback for clinical applications. Here, we provide evidences by flow cytometry and confocal microscopy that Cur penetration in normal and ΔF508-CFTR human airway epithelial cell lines is facilitated by TBCP2...
April 17, 2017: European Journal of Pharmaceutics and Biopharmaceutics
https://www.readbyqxmd.com/read/28427563/neuroinflammation-in-alzheimer-s-disease-the-preventive-and-therapeutic-potential-of-polyphenolic-nutraceuticals
#19
Yousef Sawikr, Nagendra Sastry Yarla, Ilaria Peluso, Mohammad Amjad Kamal, Gjumrakch Aliev, Anupam Bishayee
Brain inflammation, characterized by increased microglia and astrocyte activation, increases during aging and is a key feature of neurodegenerative diseases, such as Alzheimer's disease (AD). In AD, neuronal death and synaptic impairment, induced by amyloid-β (Aβ) peptide, are at least in part mediated by microglia and astrocyte activation. Glial activation results in the sustained production of proinflammatory cytokines and reactive oxygen species, giving rise to a chronic inflammatory process. Astrocytes are the most abundant glial cells in the central nervous system and are involved in the neuroinflammation...
2017: Advances in Protein Chemistry and Structural Biology
https://www.readbyqxmd.com/read/28427235/catan-ionic-hybrid-lipidic-nano-carriers-for-enhanced-bioavailability-and-anti-tumor-efficacy-of-chemodrugs
#20
Bilin Liu, Dan He, Jianyong Wu, Quan Sun, Mi Zhang, Qunyou Tan, Yao Li, Jingqing Zhang
To date there has not been any report on catan-ionic hybrid lipidic nano-carriers, let alone a report on applying them to deliver insoluble anti-tumor drugs. Catan-ionic hybrid lipidic nano-carriers containing curcumin (CUR-C-HLN) inherit the merits of catan-ionic systems, hybrid lipidic systems and nano-structured carriers (the second-generation substitute of solid lipidic nano-systems). Catan-ionic surfactants increased microvesicle stabilization by producing unordered isometric clusters, enhanced absorptive amount as an inhibitor of enzyme and protein, improved tumor accumulation by cellular endocytosis and membranous fusion; hybrid lipids helped to obtain high drug content and low leakage by forming a less-organized matrix arrangement...
March 6, 2017: Oncotarget
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