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https://www.readbyqxmd.com/read/29783152/functionalized-graphene-oxides-for-drug-loading-release-and-delivery-of-poorly-water-soluble-anticancer-drug-a-comparative-study
#1
Neha Karki, Himani Tiwari, Mintu Pal, Alok Chaurasia, Rajaram Bal, Penny Joshi, Nanda Gopal Sahoo
In this work, the modification of graphene oxides (GOs) have been done with hydrophilic and biodegradable polymer, polyvinylpyrrolidone (PVP) and other excipient β -cyclodextrin (β-CD) through covalent functionalization for efficient loading and compatible release of sparingly water soluble aromatic anticancer drug SN-38 (7-ethyl-10-hydroxy camptothecin). The drug was loaded onto both GO-PVP and GO-β-CD through the π-π interactions.The release of drug from both the nanocarriers were analyzed in different pH medium of pH 7 (water, neutral medium), pH 5 (acidic buffer) and pH 12 (basic buffer)...
May 18, 2018: Colloids and Surfaces. B, Biointerfaces
https://www.readbyqxmd.com/read/29783098/design-and-synthesis-of-aminocoumarin-derivatives-as-dpp-iv-inhibitors-and-anticancer-agents
#2
Rina Soni, Shubhangi S Soman
DPP-IV "a moonlighting protein" has immerged as promising pathway to control Type 2 diabetes as well as found to play key role in earlier stages of cancer. Here we have reported design, synthesis and applications of aminocoumarin derivatives as DPP-IV inhibitors. Compounds have been synthesized and studied for their DPP-IV inhibition activity. Three compounds have shown moderate inhibition at 100 µM concentration. All compounds were also screened for their anticancer activity against A549 (Lung cancer cell line), MCF-7 (Breast cancer cell line) using MTT assay...
May 17, 2018: Bioorganic Chemistry
https://www.readbyqxmd.com/read/29782972/stat3-and-apoptosis-challenges-in-cancer
#3
REVIEW
Nazanin Fathi, Golnaz Rashdi, Simin Sharifi
Several studies have processed conceivable evidence for the vital role of Signal Transducer and Activator of Transcription 3 (STAT3) in cancer transformation and carcinogenesis. Therefore, one of the important factors in formation of cancer is STAT3 and for design of novel anticancer drugs is a suitable target. On the other hand, apoptosis pathway has a critical role in the cancers pathogenesis. Generally, increasing developments have been existed to expression, production, phosphorylation or activation of STAT3 in the effective or responsible cells of most of the cancers...
May 18, 2018: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/29782965/membrane-cholesterol-delays-cellular-apoptosis-induced-by-ginsenoside-rh2-a-steroid-saponin
#4
Sandrine L Verstraeten, Marie Albert, Adrien Paquot, Giulio G Muccioli, Donatienne Tyteca, Marie-Paule Mingeot-Leclercq
Saponins exhibit several biological and pharmacological activities, such as antibacterial, anti-inflammatory and anticancer effects. Many studies attribute their activities to their interactions with cholesterol. In this study, we focus on the steroid saponin ginsenoside Rh2, one of the active principles of Panax ginseng root. Some evidence suggests that lipid rafts, defined as nanodomains enriched in cholesterol and sphingolipids, could be involved in the Rh2-induced apoptosis. However, the role of membrane lipids, especially cholesterol, in this process is still poorly understood...
May 18, 2018: Toxicology and Applied Pharmacology
https://www.readbyqxmd.com/read/29781715/andrographolide-exhibits-anticancer-potential-against-human-colon-cancer-cells-by-inducing-cell-cycle-arrest-and-programmed-cell-death-via-augmentation-of-intracellular-reactive-oxygen-species-level
#5
Imran Khan, Fahad Khan, Arshi Farooqui, Irfan A Ansari
Andrographolide, a diterpenoid lactone and a major constituent of Andrographis paniculata Nees, exhibits remarkable anticancer activity. However, the effect of andrographolide on colon cancer has not been completely elucidated yet. Thus, we investigated the chemopreventive potential of andrographolide in colon cancer HT-29 cells. The cytotoxic potential of andrographolide on HT-29 cells was determined by MTT assay, trypan blue exclusion assay, colony formation assay, and morphological analysis; and apoptotic property by DAPI and Hoechst staining, FITC-Annexin V assay, DNA fragmentation assay and caspase-3 activity assay...
May 21, 2018: Nutrition and Cancer
https://www.readbyqxmd.com/read/29781295/impact-of-statin-use-on-recurrence-or-survival-after-surgical-curative-resection-of-non-small-cell-lung-cancer
#6
Tak Kyu Oh, Kwhanmien Kim, Sanghoon Jheon, Jaebong Lee, Sang-Hwan Do, Jung-Won Hwang, Hyo Jin Kim, In-Ae Song
Statins are known for their anticancer effects, and many studies have shown the effectiveness of statins for cancer prevention and improvement of cancer-related long-term oncologic outcome. However, their effectiveness on recurrence or survival of non-small cell lung cancer (NSCLC) after curative resection remains unknown. This was a retrospective cohort study that assessed the medical records of patients who were diagnosed with NSCLC and treated with curative resection at a tertiary care hospital between August 2003 and July 2012...
January 2018: Cancer Control: Journal of the Moffitt Cancer Center
https://www.readbyqxmd.com/read/29781075/effectiveness-of-gabapentin-pharmacotherapy-in-chemotherapy-induced-peripheral-neuropathy
#7
Magdalena Magnowska, Natalia Iżycka, Joanna Kapoła-Czyż, Anna Romała, Jakub Lorek, Marek Spaczyński, Ewa Nowak-Markwitz
OBJECTIVES: Chemotherapy-induced peripheral neuropathy (CIPN) is a common chemotherapy side effect, but its prevention and treatment remains a challenge. Neurotoxicity may lead to dose limitation or even treatment discontinuation, and therefore potentially affect the efficacy of anticancer treatment and long term outcomes. The practice to administer gabapentin for neuropathy may be applicable, but is limited by insufficient studies. The aim of our study was to assess the presence of chemotherapy-induced peripheral neuropathy in ovarian cancer patients treated with first-line paclitaxel and carboplatin chemotherapy and evaluate the effectiveness of gabapentin in treatment of this condition...
2018: Ginekologia Polska
https://www.readbyqxmd.com/read/29781054/isoalantolactone-inhibits-esophageal-squamous-cell-carcinoma-growth-through-downregulation-of-microrna-21-and-derepression-of-pdcd4
#8
Shi-Wang Wen, Yue-Feng Zhang, Yong Li, Yan-Zhao Xu, Zhen-Hua Li, Huilai Lü, Yong-Gang Zhu, Zhen-Xu Liu, Zi-Qiang Tian
BACKGROUND: This study was designed to explore the anticancer potential of isoalantolactone, a sesquiterpene lactone, on esophageal squamous cell carcinoma (ESCC) cells and associated molecular mechanisms. METHODS: ESCC cell lines were treated with isoalantolactone or vehicle and tested for viability, proliferation, cell cycle distribution, and apoptosis. Xenograft tumor studies in nude mice were done to examine the in vivo anticancer effect of isoalantolactone...
May 21, 2018: Digestive Diseases and Sciences
https://www.readbyqxmd.com/read/29780885/a-simple-bioluminescence-imaging-method-for-studying-cancer-cell-growth-and-metastasis-after-subcutaneous-injection-of-lewis-lung-carcinoma-cells-in-syngeneic-c57bl-6-mice
#9
Hong Zhu, Megan E Kauffman, Michael A Trush, Zhenquan Jia, Y Robert Li
In vivo imaging of cancer cell growth and invasion is instrumental in studying cancer cell behavior and in developing effective anticancer agents. In this ROS Protocols article, we report the experimental protocol and steps involving the implantation of luciferase-expressing Lewis lung carcinoma (LLC) cells in normal syngeneic C57BL/6 mice. Using the Berthold NightOwl LB981 in vivo imaging system, we observe the time-dependent growth and invasion of the lung cancer cells following subcutaneous injection of luciferase-expressing LLC cells...
March 2018: Reactive Oxygen Species (Apex, N.C.)
https://www.readbyqxmd.com/read/29780533/a-halogen-bond-mediated-highly-active-artificial-chloride-channel-with-high-anticancer-activity
#10
Changliang Ren, Xin Ding, Arundhati Roy, Jie Shen, Shaoyuan Zhou, Feng Chen, Sam Fong Yau Li, Haisheng Ren, Yi Yan Yang, Huaqiang Zeng
Chloride-selective transmembrane carriers or channels might have possible uses in treating channelopathies or cancers. While chloride carriers have been extensively investigated, the corresponding chloride channels have remained limitedly studied. Moreover, all hitherto reported channel systems lack clearly definable and readily modifiable positions in their structures for the reliable construction and combinatorial optimization of their ion transport properties. As a result, the existing channels are limited by their large molecular weight, weak activity or low anion selectivity...
May 7, 2018: Chemical Science
https://www.readbyqxmd.com/read/29780393/immunomodulatory-drugs-exert-anti-leukemia-effects-in-acute-myeloid-leukemia-by-direct-and-immunostimulatory-activities
#11
Aude Le Roy, Thomas Prébet, Rémy Castellano, Armelle Goubard, Florence Riccardi, Cyril Fauriat, Samuel Granjeaud, Audrey Benyamine, Céline Castanier, Florence Orlanducci, Amira Ben Amara, Frédéric Pont, Jean-Jacques Fournié, Yves Collette, Jean-Louis Mege, Norbert Vey, Daniel Olive
Immunomodulatory drugs (IMiDs) are anticancer drugs with immunomodulatory, anti-angiogenesis, anti-proliferative, and pro-apoptotic properties. IMiDs are currently used for the treatment of multiple myeloma, myelodysplastic syndrome, and B-cell lymphoma; however, little is known about efficacy in acute myeloid leukemia (AML). We proposed in this study to investigate the relevance of IMiDs therapy for AML treatment. We evaluated the effect of IMiDs on primary AML blasts ( n  = 24), and the impact in natural killer (NK) cell-mediated immunosurveillance of AML...
2018: Frontiers in Immunology
https://www.readbyqxmd.com/read/29780252/chelerythrine-induced-cell-death-through-ros-dependent-er-stress-in-human-prostate-cancer-cells
#12
Songjiang Wu, Yanying Yang, Feiping Li, Lifu Huang, Zihua Han, Guanfu Wang, Hongyuan Yu, Haiping Li
Introduction: Prostate cancer is the most common noncutaneous cancer and the second leading cause of cancer-related mortality worldwide and the third in USA in 2017. Chelerythrine (CHE), a naturalbenzo[c]phenanthridine alkaloid, formerly identified as a protein kinase C inhibitor, has also shown anticancer effect through a number of mechanisms. Herein, effect and mechanism of the CHE-induced apoptosis via reactive oxygen species (ROS)-mediated endoplasmic reticulum (ER) stress in prostate cancer cells were studied for the first time...
2018: OncoTargets and Therapy
https://www.readbyqxmd.com/read/29779385/nutritional-available-seleno-amino-acid-derivative-antagonizes-cisplatin-induced-nephrotoxicity-through-inhibition-of-ros-mediated-signaling-pathways
#13
Xiaoling Li, Haobin Zhang, Leung Chan, Chang Liu, Tianfeng Chen
Discovery of nutritionally available agents that could antagonize cisplatin-induced nephrotoxicity is of great significance and clinical application potential. 3,3'-Diselenodipropionic acid (DSePA) is a seleno-amino acid derivative that exhibits strong antioxidant activity. Therefore, this study aimed to examine the protective effects of DSePA on cisplatin-induced nephrotoxicity as well as the molecular mechanisms. The results revealed that DSePA effectively inhibited cell apoptosis induced by cisplatin, through suppressing the caspases activation and PARP cleavage...
May 20, 2018: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/29779163/discovering-simple-phenylboronic-acid-and-benzoxaborole-derivatives-for-experimental-oncology-phase-cycle-specific-inducers-of-apoptosis-in-a2780-ovarian-cancer-cells
#14
Mateusz Psurski, Agnieszka Łupicka-Słowik, Agnieszka Adamczyk-Woźniak, Joanna Wietrzyk, Andrzej Sporzyński
Objective The aim of the study was to evaluate the antiproliferative potential of simple phenylboronic acid and benzoxaborole derivatives as well as to provide preliminary insight into their mode of action in cancer cells in vitro. Methods The antiproliferative activity was assessed in five diverse cancer cell lines via the SRB method (sulforhodamine B) or MTT (3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide) method after 72 h of treatment. Further studies of the mechanism of action consisted of the influence of the compounds on cell cycle progression and apoptosis induction, which was assessed by flow cytometry, caspase-3 enzymatic activity, fluorescence microscopy and western blot analysis...
May 19, 2018: Investigational New Drugs
https://www.readbyqxmd.com/read/29778892/structure-based-design-of-novel-quinoxaline-2-carboxylic-acids-and-analogues-as-pim-1-inhibitors
#15
Bruno Oyallon, Marie Brachet-Botineau, Cédric Logé, Pascal Bonnet, Mohamed Souab, Thomas Robert, Sandrine Ruchaud, Stéphane Bach, Pascal Berthelot, Fabrice Gouilleux, Marie-Claude Viaud-Massuard, Caroline Denevault-Sabourin
We identified a new series of quinoxaline-2-carboxylic acid derivatives, targeting the human proviral integration site for Moloney murine leukemia virus-1 (HsPim-1) kinase. Seventeen analogues were synthesized providing useful insight into structure-activity relationships studied. Docking studies realized in the ATP pocket of HsPim-1 are consistent with an unclassical binding mode of these inhibitors. The lead compound 1 was able to block HsPim-1 enzymatic activity at nanomolar concentrations (IC50 of 74 nM), with a good selectivity profile against a panel of mammalian protein kinases...
May 11, 2018: European Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/29778887/biological-potential-of-oxo-vanadium-salicylediene-amino-acid-complexes-as-cytotoxic-antimicrobial-antioxidant-and-dna-interaction
#16
Mohamed Shaker S Adam, Hany Elsawy
New series of oxo-vanadium N-salicyledieneamino acid Schiff base complexes are synthesized and characterized. They are synthesized from the reaction of sodium salicylaldehyde-5-sulfonate, some amino acids, alanine (VOHL1), leucine (VOHL2) or glycine (VOHL3) in an aqueous media, and leucine (VOHLpy1) or tryptophan (VOHLpy2) in pyridine with vanadyl acetylacetonate. The complexes are characterized by EA, TGA, IR, UV-Visible and mass spectra, conductivity and magnetic measurements. The biological activity of the VO-complexes shows that VOHL1, VOHL2 and VOHL3 exhibit anti-proliferative effect and may be used as anticancer drugs...
May 4, 2018: Journal of Photochemistry and Photobiology. B, Biology
https://www.readbyqxmd.com/read/29778718/nimbolide-epigenetically-regulates-autophagy-and-apoptosis-in-breast-cancer
#17
Venkatesh Pooladanda, Soumya Bandi, Sandhya Rani Mondi, Krishna Mohan Gottumukkala, Chandraiah Godugu
Autophagy is a critical regulator of cellular homeostasis and its dysregulation often results in various disease manifestations, including cancer. Nimbolide, an active chemical constituent of neem (Azadirachta indica) exhibits potent anticancer effects. Although, nimbolide mediated apoptosis activation in breast cancer cells is well known. Nevertheless, its role in autophagy induction mechanism and epigenetic alteration is not explored previously. Our current study intended to bridge the gaps in the existing research by exploring the potential of nimbolide in inducing autophagy, which could counter regulate the transformations in breast cancer...
May 17, 2018: Toxicology in Vitro: An International Journal Published in Association with BIBRA
https://www.readbyqxmd.com/read/29777989/synthesis-antiproliferative-activity-and-mechanism-of-gallium-iii-thiosemicarbazone-complexes-as-potential-anti-breast-cancer-agents
#18
Jinxu Qi, Qian Yao, Kun Qian, Liang Tian, Zhen Cheng, Dongmei Yang, Yihong Wang
Five thiosemicarbazone ligands were synthesized and characterized by condensation with different aldehydes or ketones by 4-phenylthiosemicarbazone. The representative dichlorido[2-(Di-2-pyridinylmethylene)-Nphenylhydrazinecarbothioamide-N,N,S]-gallium(III) (Ga4) was characterized by X-ray single crystal diffraction, which was 1:1 ligand/Ga(III) complexes. The structure-activity relationship of these ligands and Ga (III) complexes have been investigated, and the results demonstrate that the formation of Ga (III) complexes have significant antiproliferative activity over the corresponding ligands...
May 14, 2018: European Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/29777637/thymol-inhibits-oral-squamous-cell-carcinoma-growth-via-mitochondria-mediated-apoptosis
#19
Jorge J De La Chapa, Prajjal Kanti Singha, Debbie R Lee, Cara B Gonzales
BACKGROUND: Thymol is a Transient Receptor Potential Ankyrin Subtype 1 channel, (TRPA1) agonist found in thyme and oregano. Thymol has antioxidant, anti-inflammatory, and antimicrobial properties; thus thymol is added to many commercially available products including Listerine mouthwash. Thymol is also cytotoxic to HL-60 (acute promyelotic leukemia) cells in vitro. Therefore, we evaluated the effects of thymol against oral squamous cell carcinoma (OSCC) and its anticancer mechanism-of-action...
May 19, 2018: Journal of Oral Pathology & Medicine
https://www.readbyqxmd.com/read/29777444/comparison-of-lawsone-contents-among-lawsonia-inermis-plant-parts-and-neurite-outgrowth-accelerators-from-branches
#20
Yoshimi Oda, Souichi Nakashima, Erina Kondo, Seikou Nakamura, Mamiko Yano, Chisa Kubota, Yusuke Masumoto, Minami Hirao, Yuki Ogawa, Hisashi Matsuda
Lawsonia inermis L. (Lythraceae) is cultivated in many countries, including Japan, China, India and Egypt. Its leaves are well known as hair dye and exhibit antibacterial, anticancer, antifungal and anticonvulsant activities. However, there are few reports on its branches. 2-Hydroxy-1,4-naphthoquinone (lawsone) is a characteristic compound in its leaves. However, it remains to be clarified whether lawsone is present in other plant parts or not. In this study, we measured lawsone contents in the extracts of L...
May 17, 2018: Journal of Natural Medicines
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