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https://www.readbyqxmd.com/read/28427235/catan-ionic-hybrid-lipidic-nano-carriers-for-enhanced-bioavailability-and-anti-tumor-efficacy-of-chemodrugs
#1
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
https://www.readbyqxmd.com/read/28426067/bioinspired-peptosomes-with-programmed-stimuli-responses-for-sequential-drug-release-and-high-performance-anticancer-therapy
#2
Yuan Li, Wei Li, Weier Bao, Bin Liu, Dan Li, Yumeng Jiang, Wei Wei, Fazheng Ren
Combination therapy with enhanced therapeutic and antimetastatic efficacy has become promising for cancer treatment. There is an urgent need to design a co-delivery system to sequentially release the drug pair at desired locations that can increase the intra-tumoral drug concentration and reduce the side effects. Inspired by virus architecture and function, herein, we developed a peptosome (PS)-based co-delivery system, PePm/PS/Curcumin (Cur), for the sequential release of the therapeutic peptide Pe and chemodrug Cur...
April 20, 2017: Nanoscale
https://www.readbyqxmd.com/read/28423731/a-multifunctional-lipid-nanoparticle-for-co-delivery-of-paclitaxel-and-curcumin-for-targeted-delivery-and-enhanced-cytotoxicity-in-multidrug-resistant-breast-cancer-cells
#3
Jong-Suep Baek, Cheong-Weon Cho
The objective of the work was to develop a multifunctional nanomedicine based on a folate-conjugated lipid nanoparticles loaded with paclitaxel and curcumin. The novel system combines therapeutic advantageous of efficient targeted delivery via folate and timed-release of curcumin and paclitaxel via 2-hydroxypropyl-ß-cyclodextrin, thereby overcoming multidrug resistance in breast cancer cells (MCF-7/ADR). The faster release of curcumin from the folate-conjugated curcumin and paclitaxel-loaded lipid nanoparticles enables sufficient p-glycoprotein inhibition, which allows increased cellular uptake and cytotoxicity of paclitaxel...
March 13, 2017: Oncotarget
https://www.readbyqxmd.com/read/28420987/curcumin-ameliorates-cisplatin-induced-nephrotoxicity-and-potentiates-its-anticancer-activity-in-sd-rats-potential-role-of-curcumin-in-breast-cancer-chemotherapy
#4
Parveen Kumar, Chandana C Barua, Kunjbihari Sulakhiya, Rajeev Kumar Sharma
Breast malignant neoplastic disease is one of the most complex diseases, as it is a multifactorial disease in which virtually all the targets are instantly or indirectly inter-reliant on each other. Cisplatin (CIS), an inorganic antineoplastic agent is widely utilized in the treatment of various solid tumors including breast cancer. Despite everything, its clinical use is limited, due to ototoxicity, peripheral neuropathy, and nephrotoxicity. The present work was directed to assess the combined result of curcumin (CUR) and CIS in 7, 12-dimethyl benz[a]anthracene (DMBA) induced breast cancer in rats and the prevention of nephrotoxicity induced by the latter...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28420213/folate-decorated-nanomicelles-loaded-with-a-potent-curcumin-analogue-for-targeting-retinoblastoma
#5
Hashem Alsaab, Rami M Alzhrani, Prashant Kesharwani, Samaresh Sau, Sai Hs Boddu, Arun K Iyer
The aim of this study was to develop a novel folate receptor-targeted drug delivery system for retinoblastoma cells using a promising anticancer agent, curcumin-difluorinated (CDF), loaded in polymeric micelles. Folic acid was used as a targeting moiety to enhance the targeting and bioavailability of CDF. For this purpose, amphiphilic poly(styrene-co-maleic acid)-conjugated-folic acid (SMA-FA) was synthesized and utilized to improve the aqueous solubility of a highly hydrophobic, but very potent anticancer compound, CDF, and its targeted delivery to folate overexpressing cancers...
April 18, 2017: Pharmaceutics
https://www.readbyqxmd.com/read/28420097/synthesis-of-curcuminoids-and-evaluation-of-their-cytotoxic-and-antioxidant-properties
#6
María Concepción Lozada-García, Raúl G Enríquez, Teresa O Ramírez-Apán, Antonio Nieto-Camacho, Juan Francisco Palacios-Espinosa, Zeltzin Custodio-Galván, Olivia Soria-Arteche, Jaime Pérez-Villanueva
Curcumin (1) and ten derivatives (2-11) were synthesized and evaluated as cytotoxic and antioxidant agents. The results of primary screening by Sulforhodamine B assay against five human cancer cell lines (U-251 MG, glioblastoma; PC-3, human prostatic; HCT-15, human colorectal; K562, human chronic myelogenous leukemia; and SKLU-1, non-small cell lung cancer) allowed us to calculate the half maximal inhibitory concentration (IC50) values for the more active compounds against HCT-15 and K562 cell lines. Compounds 2 and 10 were the most active against both cell lines and were more active than curcumin itself...
April 14, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28419458/therapeutic-potential-of-novel-formulated-forms-of-curcumin-in-the-treatment-of-breast-cancer-by-the-targeting-of-cellular-and-physiological-dysregulated-pathways
#7
REVIEW
Amir Tajbakhsh, Malihe Hasanzadeh, Mehdi Rezaee, Mostafa Khedri, Majid Khazaei, Soodabeh Shahid Sales, Gordon A Ferns, Seyed Mahdi Hassanian, Amir Avan
Breast cancer is among the most important causes of cancer related death in women. There is a need for novel agents for targeting key signaling pathways to either improve the efficacy of the current therapy, or reduce toxicity. There is some evidence that curcumin may have antitumor activity in breast cancer. Several clinical trials have investigated its activity in patients with breast cancer, including a recent trial in breast cancer patients receiving radiotherapy, in whom it was shown that curcumin reduced the severity of radiation dermatitis, although it is associated with low bioavailability...
April 17, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/28417445/chemopreventive-efficacy-of-curcumin-loaded-plga-microparticles-in-a-transgenic-mouse-model-of-her-2-positive-breast-cancer
#8
Alex E Grill, Komal Shahani, Brenda Koniar, Jayanth Panyam
Curcumin has shown promising inhibitory activity against HER-2-positive tumor cells in vitro but suffers from poor oral bioavailability in vivo. Our lab has previously developed a polymeric microparticle formulation for sustained delivery of curcumin for chemoprevention. The goal of this study was to examine the anticancer efficacy of curcumin-loaded polymeric microparticles in a transgenic mouse model of HER-2 cancer, Balb-neuT. Microparticles were injected monthly, and mice were examined for tumor appearance and growth...
April 17, 2017: Drug Delivery and Translational Research
https://www.readbyqxmd.com/read/28416754/unique-synergistic-formulation-of-curcumin-epicatechin-gallate-and-resveratrol-tricurin-suppresses-hpv-e6-eliminates-hpv-cancer-cells-and-inhibits-tumor-progression
#9
Sumit Mukherjee, Priya Ranjan Debata, Rahman Hussaini, Kaushiki Chatterjee, Juliet N E Baidoo, Samay Sampat, Anita Szerszen, Joseph P Navarra, Jimmie Fata, Elena Severinova, Probal Banerjee, Mario R Castellanos
Curcumin (from curry) (C) is highly potent against cervical cancer cells (CCC), but poor bioavailability has limited its clinical use. Similar natural polyphenols resveratrol (from grapes) (R), and epicatechin gallate (from green tea) (E) also display activity against CCC. By treating CCC (HeLa) with C, E, or R, or combinations of these compounds, we computed combination indices and observed a strong synergism among C, E, and R at the unique molar ratio 4:1:12.5. This combination, named as TriCurin, rapidly down regulated HPV18 E6 and NF-kB expression while concomitantly inducing the tumor suppressor protein p53 in HeLa cells...
March 29, 2017: Oncotarget
https://www.readbyqxmd.com/read/28415431/in-vitro-cytotoxicity-study-of-dual-drug-loaded-chitosan-palladium-nanocomposite-towards-ht-29-cancer-cells
#10
S Dhanavel, E A K Nivethaa, V Narayanan, A Stephen
Conjugated drug delivery has gained immense interest due to the possibility of overcoming the resistance of cancer cells to a specific drug when treated using it for a period of time. In the present study, CS/Pd nanocomposite has been prepared using cost effective chemical reduction method and has been used for the delivery of curcumin (CUR) and 5-Fluorouracil (5-FU) separately and in a conjugated form. The prepared nanocomposite before and after drug encapsulation have been studied using various characterization techniques...
June 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/28412471/surface-modification-of-solid-lipid-nanoparticles-for-oral-delivery-of-curcumin-improvement-of-bioavailability-through-enhanced-cellular-uptake-and-lymphatic-uptake
#11
Jong-Suep Baek, Cheong-Weon Cho
Curcumin has been reported to exhibit potent anticancer effects. However, poor solubility, bioavailability and stability of curcumin limit its in vivo efficacy for the cancer treatment. Solid lipid nanoparticles (SLN) are a promising delivery system for the enhancement of bioavailability of hydrophobic drugs. However, burst release of drug from SLN in acidic environment limits its usage as oral delivery system. Hence, we prepared N-carboxymethyl chitosan (NCC) coated curcumin-loaded SLN (NCC-SLN) to inhibit the rapid release of curcumin in acidic environment and enhance the bioavailability...
April 12, 2017: European Journal of Pharmaceutics and Biopharmaceutics
https://www.readbyqxmd.com/read/28410552/a-novel-solubility-enhanced-rubusoside-based-micelles-for-increased-cancer-therapy
#12
Meiying Zhang, Tongcheng Dai, Nianping Feng
Many anti-cancer drugs have a common problem of poor solubility. Increasing the solubility of the drugs is very important for its clinical applications. In the present study, we revealed that the solubility of insoluble drugs was significantly enhanced by adding rubusoside (RUB). Further, it was demonstrated that RUB could form micelles, which was well characterized by Langmuir monolayer investigation, transmission electron microscopy, atomic-force microscopy, and cryogenic transmission electron microscopy...
December 2017: Nanoscale Research Letters
https://www.readbyqxmd.com/read/28409156/curcumin-analogue-ca15-exhibits-anticancer-effects-on-hep-2-cells-via-targeting-nf-%C3%AE%C2%BAb
#13
Jian Chen, Linlin Zhang, Yilai Shu, Liping Chen, Min Zhu, Song Yao, Jiabing Wang, Jianzhang Wu, Guang Liang, Haitao Wu, Wulan Li
Laryngeal carcinoma remains one of the most common malignancies, and curcumin has been proven to be effective against head and neck cancers in vitro. However, it has not yet been applied in clinical settings due to its low stability. In the current study, we synthesized 34 monocarbonyl analogues of curcumin with stable structures. CA15, which exhibited a stronger inhibited effect on laryngeal cancer cells HEp-2 but a lower toxicity on hepatic cells HL-7702 in MTT assay, was selected for further analysis. The effects of CA15 on cell viability, proliferation, migration, apoptosis, and NF-κB activation were measured using MTT, Transwell migration, flow cytometry, Western blot, and immunofluorescence assays in HEp-2 cells...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28408820/curcumin-loaded-redox-response-of-self-assembled-micelles-for-enhanced-antitumor-and-anti-inflammation-efficacy
#14
Shuang Zhao, Litao Ma, Chengwen Cao, Qianqian Yu, Lanmei Chen, Jie Liu
At present, it has become evident that inflammation plays a critical role in tumor growth; meanwhile, chemotherapeutic agents using nanocarriers have been suggested as a promising strategy in cancer treatment. In this study, novel redox-responsive micelles were prepared from monomethoxy-poly(ethylene glycol)-chitosan-S-S-hexadecyl (C16-SS-CS-mPEG). These micelles were able to carry and deliver drugs into tumor cells. To serve as a control, monomethoxy-poly(ethylene glycol)-chitosan-C-C-hexadecyl (C16-CC-CS-mPEG) was developed in a similar fashion to that used to yield C16-CC-CS-mPEG without a redox-responsive disulfide bond...
2017: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/28403559/integrin-receptor-targeting-rgdk-tagged-nanocarrier-anticancer-efficacy-of-loaded-curcumin
#15
Prasanta Kumar Das, Krishnendu Das, Sahithi Nimushakavi, Arabinda Chaudhuri
Herein we report the design and development of α5β1 integrin receptor specific RGDK-lipopeptide associated non-covalently dispersed single walled carbon nanotube (SWNT) that selectively deliver anti-cancer curcumin to tumor cells. Arg-Gly-Asp-Lys (RGDK) tetrapeptide tagged amphiphiles were synthesized that efficiently dispersed SWNT with >80% suspension stability index in cell culture media. MTT & LDH based cell viability assays in tumor (melanoma, B16F10) and non-cancerous (mouse fibroblast cells, NIH3T3) revealed non-cytotoxic nature of RGDK-lipopeptide-SWNT conjugates...
April 12, 2017: ChemMedChem
https://www.readbyqxmd.com/read/28402965/curcumin-enhances-the-effects-of-irinotecan-on-colorectal-cancer-cells-through-the-generation-of-reactive-oxygen-species-and-activation-of-the-endoplasmic-reticulum-stress-pathway
#16
Yan-Feng Huang, Da-Jian Zhu, Xiao-Wu Chen, Qi-Kang Chen, Zhen-Tao Luo, Chang-Chun Liu, Guo-Xin Wang, Wei-Jie Zhang, Nv-Zhu Liao
Although initially effective against metastatic colorectal cancer (CRC), irinotecan-based chemotherapy leads to resistance and adverse toxicity. Curcumin is well known for its anti-cancer effects in many cancers, including CRC. Here, we describe reactive oxygen species (ROS) generation and endoplasmic reticulum (ER) stress as important mechanisms by which curcumin enhances irinotecan's effects on CRC cells. CRC cell lines were treated with curcumin and/or irinotecan for 24 h, and then evaluated using cell proliferation assays, cell apoptosis assays, cell cycle analysis, intracellular Ca2+ measurements, ROS measurements and immunoblotting for key ER stress-related proteins...
April 4, 2017: Oncotarget
https://www.readbyqxmd.com/read/28402926/curcumin-exhibits-anti-tumor-effect-and-attenuates-cellular-migration-via-slit-2-mediated-down-regulation-of-sdf-1-and-cxcr4-in-endometrial-adenocarcinoma-cells
#17
Vijay Kumar Sirohi, Pooja Popli, Pushplata Sankhwar, Jyoti Bala Kaushal, Kanchan Gupta, Murli Manohar, Anila Dwivedi
Although curcumin shows anti-proliferative and anti-inflammatory activities in various cancers, the effect of curcumin on cellular migration in endometrial adenocarcinoma cells remains to be understood. The current investigation was aimed to explore the anti-proliferative and anti-migratory effects of curcumin and its mechanism of action in endometrial cancer cells. Our in-vitro and in-vivo experimental studies showed that curcumin inhibited the proliferation of endometrial cancer cells and suppressed the tumor growth in Ishikawa xenograft mouse model...
March 16, 2017: Journal of Nutritional Biochemistry
https://www.readbyqxmd.com/read/28399452/design-synthesis-and-evaluation-of-curcumin-derivatives-as-nrf2-activators-and-cytoprotectors-against-oxidative-death
#18
Zhi-Shan Tu, Qi Wang, Dan-Dan Sun, Fang Dai, Bo Zhou
Activation of nuclear factor erythroid-2-related factor 2 (Nrf2) has been proven to be an effective means to prevent the development of cancer, and natural curcumin stands out as a potent Nrf2 activator and cancer chemopreventive agent. In this study, we synthesized a series of curcumin analogs by introducing the geminal dimethyl substituents on the active methylene group to find more potent Nrf2 activators and cytoprotectors against oxidative death. The geminally dimethylated and catechol-type curcumin analog (compound 3) was identified as a promising lead molecule in terms of its increased stability and cytoprotective activity against the tert-butyl hydroperoxide (t-BHP)-induced death of HepG2 cells...
April 5, 2017: European Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28397855/discovery-of-monocarbonyl-curcumin-btp-hybrids-as-stat3-inhibitors-for-drug-sensitive-and-drug-resistant-breast-cancer-therapy
#19
Wenda Zhang, Jianpeng Guo, Shanshan Li, Ting Ma, Dingqiao Xu, Chao Han, Feiyan Liu, Wenying Yu, Lingyi Kong
Signal transducer and activator of transcription 3 (STAT3) is a well-known antitumor target. Exogenous ROS insult can lead to selective cytotoxicity against cancer cells. A combination of STAT3 inhibition and "oxidation therapy" may be a new strategy to address the multidrug-resistance issue due to their important roles in the survival and drug resistance of cancer cells. Here, a series of novel curcumin-BTP hybrids were designed and evaluated as STAT3 inhibitors with ROS production activity. Compound 6b exerted the best antitumor activity and selectivity for MCF-7 and MCF-7/DOX cells (IC50 = 0...
April 11, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28397161/alginate-nanoparticles-containing-curcumin-and-resveratrol-preparation-characterization-and-in-vitro-evaluation-against-du145-prostate-cancer-cell-line
#20
Pushkar Saralkar, Alekha K Dash
Curcumin and resveratrol are naturally occurring polyphenolic compounds having anti-cancer potential. However, their poor aqueous solubility and bioavailability limit their clinical use. Entrapment of hydrophobic drugs into hydrophilic nanoparticles such as calcium alginate presents a means to deliver these drugs to their target site. Curcumin and resveratrol-loaded calcium alginate nanoparticles were prepared by emulsification and cross-linking process. The nanoparticles were characterized for particle size, zeta potential, moisture content, physical state of the drugs, physical stability, and entrapment efficiency...
April 10, 2017: AAPS PharmSciTech
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