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Anti-cancer Drugs

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https://www.readbyqxmd.com/read/28085697/akt-activation-was-not-essential-for-hepatocellular-carcinoma-cell-survival-under-glucose-deprivation
#1
Jing Zhou, Yue Tang, Ze-Jun Xie, Jing-Ning Lu, Jing-Huan Deng, Xiao-Wei Huang, Shing Chuan Hooi, Min He, Guo-Dong Lu
Hepatocellular carcinoma (HCC) is the second leading cause of cancer-related death worldwide, with a dismal 5-year survival rate less than 15%. The present study aimed to investigate whether AKT inhibition and glucose deprivation could synergistically kill HCC cells and the molecular mechanisms involved. HCC cells were starved in glucose deprivation, and then the resultant cell death was determined by flow cytometry and mitochondrial oxygen consumption rates using a Seahorse XF-24 Extracellular Flux Analyzer...
January 12, 2017: Anti-cancer Drugs
https://www.readbyqxmd.com/read/28067673/a-novel-stat3-inhibitor-ho-3867-induces-cell-apoptosis-by-reactive-oxygen-species-dependent-endoplasmic-reticulum-stress-in-human-pancreatic-cancer-cells
#2
Yan Hu, Chengguang Zhao, Hailun Zheng, Kongqin Lu, Dengjian Shi, Zhiguo Liu, Xuanxuan Dai, Yi Zhang, Xiuhua Zhang, Wanle Hu, Guang Liang
Pancreatic cancer is the most commonly diagnosed malignancy among solid tumors and has shown an increasing trend year by year. Thus, there is an urgent need for the discovery of new anticancer drugs for the treatment of pancreatic cancer. In recent years, it has been reported that the compound HO-3867, a novel analog of the natural product curcumin, showed antitumor activity with low toxicity. However, the underlying mechanism of this compound's attack on cancer cells is not very clear. In the present study, it was found that HO-3867 showed good antitumor activity at the concentration of 2 μmol/l in PANC-1 and BXPC-3 cells...
January 6, 2017: Anti-cancer Drugs
https://www.readbyqxmd.com/read/28059831/effect-of-dihydroartemisinin-on-uhrf1-gene-expression-in-human-prostate-cancer-pc-3-cells
#3
Shijuan Du, Ge Xu, Wenqin Zou, Tingxiu Xiang, Ziguo Luo
As the second most common cancer in men around the world, prostate cancer is increasingly gaining more attention. Dihydroartemisinin (DHA) has been proven to be a promising anticancer agent in vitro as well as in vivo in accumulating data. However, the detailed mechanisms of how DHA action in human prostate cancer PC-3 cells remain elusive. This study aimed to investigate the effects of DHA, a novel anticancer agent, by inhibiting the expression of ubiquitin like containing PHD and ring finger 1 (UHRF1) in PC-3 cells...
January 2, 2017: Anti-cancer Drugs
https://www.readbyqxmd.com/read/28059830/2-deoxy-d-glucose-suppresses-the-migration-and-reverses-the-drug-resistance-of-colon-cancer-cells-through-adam-expression-regulation
#4
Ga B Park, Yoon H Chung, Daejin Kim
Cancer cell resistance to chemotherapy is associated with a poor prognosis. The compound 2-deoxy-D-glucose (2-DG) enhances the effect of chemotherapy against cancer cells lines in vitro and in vivo. However, its effect on the epithelial to mesenchymal transition (EMT) in drug-resistant cancer cells has not been fully elucidated. In this study, we investigated whether treatment of 5-fluorouracil or oxaliplatin-resistant colorectal cancer (CRC) cells with 2-DG suppressed their migratory activity and enhanced their susceptibility to chemotherapy...
January 2, 2017: Anti-cancer Drugs
https://www.readbyqxmd.com/read/28045701/unexpected-heat-shock-element-binding-ability-and-tumor-killing-activity-of-the-combinatorial-function-domain-of-apoptin
#5
Liqiu Zhang, Jia Yang, Lu Liu, Wei Tian, Ming Gao, Weiwei Song, Hong Ling, Xingli Dong
Apoptin, derived from the chicken anemia virus, has been found to exert tumor-preferential apoptotic activity. It is a potential anticancer agent with direct clinical applications. However, if this viral protein were to be used as a new drug, it might also induce a strong immune response, causing toxic side effects. In a previous study, our group showed that TAT-apoptin downregulates the stress expression of heat shock protein 70 by competing with heat shock factor protein 1 in binding to the heat shock element (HSE) of the promoter region of heat shock protein 70, thus inducing specific apoptosis in HepG2 cells...
December 29, 2016: Anti-cancer Drugs
https://www.readbyqxmd.com/read/28030380/potential-anticancer-role-of-colchicine-based-derivatives-an-overview
#6
Ashok Kumar, Parduman R Sharma, Dilip M Mondhe
Colchicine, the main alkaloid of the poisonous plant meadow saffron (Colchicum autumnale L.), is a classical drug used for the treatment of gout and familial Mediterranean fever. Although colchicine is not clinically used to treat cancer because of toxicity, it exerts antiproliferative effects through the inhibition of microtubule formation by blocking the cell cycle at the G2/M phase and triggering apoptosis. Colchicine can still be used as a lead compound for the generation of potential anticancer drugs. Thus, numerous analogues of colchicine have been synthesized in the hope of developing novel, useful drugs with more favourable pharmacological profiles...
December 27, 2016: Anti-cancer Drugs
https://www.readbyqxmd.com/read/27997437/association-between-adjuvant-docetaxel-based-chemotherapy-and-breast-cancer-related-lymphedema
#7
Wen Zhu, Dan Li, Xiaoqin Li, Jin Ren, Wenqi Chen, Hangang Gu, Yongqian Shu, Deqiang Wang
Docetaxel-based chemotherapy can lead to fluid retention and secondary peripheral edema of the extremities, but its association with lymphedema remains unclear. In this study, we retrospectively investigated the relationship between adjuvant docetaxel-based chemotherapy and breast cancer-related lymphedema. Patients with stage II/III breast cancer who received adjuvant chemotherapy were evaluated for lymphedema on the basis of arm circumference measurements. The incidence and risk factors of lymphedema were determined by Kaplan-Meier and Cox proportional hazard analyses...
December 16, 2016: Anti-cancer Drugs
https://www.readbyqxmd.com/read/27997436/dihydromyricetin-reverses-mrp2-mediated-mdr-and-enhances-anticancer-activity-induced-by-oxaliplatin-in-colorectal-cancer-cells
#8
Ziyuan Wang, Xiaoting Sun, Yuanyuan Feng, Xuan Liu, Lihong Zhou, Hua Sui, Qing Ji, Qiukai E, Jia Chen, Lili Wu, Qi Li
Dihydromyricetin (DMY), extracted from the Chinese herbal medicine Ampelopsis grossedentata, possesses antitumor potential in different types of human cancer cells. Hence, its effects on drug resistance and molecular mechanisms in colorectal cancer (CRC) are still unknown. In our present study, we observed that DMY enhanced the chemosensitivity to oxaliplatin (OXA). DMY increased OXA-induced apoptosis and reduced 5(6)-carboxy-2',7'-dichlorofluorescein accumulation in OXA-resistant CRC HCT116/L-OHP cells. Our mechanistic study suggested that DMY treatment inhibited multidrug resistance protein 2 (MRP2) expression levels and promoter activity, indicating that DMY reduced not only MRP2 transcriptional and translational levels but also its function...
December 16, 2016: Anti-cancer Drugs
https://www.readbyqxmd.com/read/27977433/phase-i-dose-escalation-study-of-plitidepsin-in-combination-with-sorafenib-or-gemcitabine-in-patients-with-refractory-solid-tumors-or-lymphomas
#9
Sandrine Aspeslagh, Mark Stein, Rastilav Bahleda, Antoine Hollebecque, Gilles Salles, Emmanuel Gyan, Salvador Fudio, Sonia Extremera, Vicente Alfaro, Arturo Soto-Matos, Jean-Charles Soria
This phase I trial evaluated the combination of the marine-derived cyclodepsipeptide plitidepsin (trade name Aplidin) with sorafenib or gemcitabine in advanced cancer and lymphoma patients. The study included two treatment arms: a sorafenib/plitidepsin (S/P) and a gemcitabine/plitidepsin (G/P) arm. In the S/P arm, patients were treated orally with sorafenib continuous dosing at two dose levels (DL1: 200 mg twice daily and DL2: 400 mg twice daily) combined with plitidepsin (1.8 mg/m, day 1, day 8, day 15, and, q4wk, intravenously)...
December 13, 2016: Anti-cancer Drugs
https://www.readbyqxmd.com/read/27941537/autophagy-inhibitors-chloroqiune-and-ly294002-enhance-temozolomide-cytotoxicity-on-cutaneous-melanoma-cell-lines-in-vitro
#10
Oxana O Ryabaya, Andrey N Inshakov, Angelina V Egorova, Marina A Emelyanova, Tatiana V Nasedkina, Alexander S Zasedatelev, Dmitry A Khochenkov, Evgenia V Stepanova
Patients with metastatic melanoma are difficult to treat and have a very poor prognosis because of high resistance to therapy. Recent evidence indicates that tumors could overcome death through autophagy, a survival mechanism, which cancer cells use under lack of energy and nutrient deprivation. Melanoma cells have different sensitivity to temozolomide (TMZ) treatment. In this study, we showed that the combination of autophagy inhibitors chloroquine or LY294002 and TMZ induced enhanced cytotoxicity of alkylating agents on human melanoma cell lines...
December 9, 2016: Anti-cancer Drugs
https://www.readbyqxmd.com/read/27930382/ym155-induces-apoptosis-in-p53-deficient-t-acute-lymphoblastic-leukemia-cells-independent-of-survivin-inhibition
#11
Leilane Sales, Graziella R de Sousa, Guilherme Á Ferreira-Silva, Angel M Castro-Gamero, Marisa Ionta, Jaqueline C de Oliveira
T-acute lymphoblastic leukemia (T-ALL) is an aggressive hematological cancer that arises from the malignant transformation of T-cell progenitors. Despite the significant progress in current treatment, challenges remain the lifelong morbidity after current chemotherapy regimens and postrelapse survival. In addition, patients with T-ALL have inferior outcomes compared with those with B-cell precursor; consequently, novel therapeutic approaches are still necessary to improve the outcome in this cohort. YM155 is an imidazolium derivative originally discovered as a suppressant of survivin expression...
December 7, 2016: Anti-cancer Drugs
https://www.readbyqxmd.com/read/27926613/optimal-multidisciplinary-treatment-of-oral-cavity-mucosal-melanoma-outcome-analysis-in-a-case-series
#12
Francesco Perri, Salvatore Pisconti, Matteo Favia, Giuseppina Della Vittoria Scarpati, Manuel Conson, Mario Giuliano, Franco Ionna, Francesco Longo, Bonamonte Domenico, Eugenio Maiorano, Gianfranco Favia
Oral cavity mucosal melanomas (OCMM) represent only 3% of all malignant melanomas. Surgery is the mainstay of treatments and it is often followed by adjuvant radiotherapy. The role of adjuvant immunotherapy and/or chemotherapy is still debated and to date neither treatment is routinely used. From January 1990 to January 2010, we have collected from our database data of 20 patients with a histologically proven diagnosis of OCMM. Upfront surgery, followed by adjuvant radiotherapy was performed in 16/20 (80%) patients...
December 6, 2016: Anti-cancer Drugs
https://www.readbyqxmd.com/read/27926612/inhibitory-effect-of-a-redox-silent-analogue-of-tocotrienol-on-hypoxia-adaptation-in-prostate-cancer-cells
#13
Nobuya Shiozawa, Ryosuke Sugahara, Kozue Namiki, Chiaki Sato, Akira Ando, Ayami Sato, Nantiga Virgona, Tomohiro Yano
Prostate cancer (PCa) is one of the most common cancers in Western countries and acquires a malignant phenotype, androgen-independent growth. PCa under hypoxia often has resistance to chemotherapy and radiotherapy. However, an effective therapy against PCa under hypoxia has not yet been established. In this report, we investigated the inhibitory effect of a redox-silent analogue of tocotrienol on the survival of a human androgen-independent PCa cell line (PC3) under hypoxia. We found that the redox-silent analogue exerted a cytotoxic effect on PC3 cells in a dose-dependent manner irrespective of either hypoxia or normoxia...
December 6, 2016: Anti-cancer Drugs
https://www.readbyqxmd.com/read/27926611/enhanced-anticancer-activity-of-drug-nanoparticles-formulated-with-%C3%AE-cyclodextrin
#14
Honglei Zhan, Tina Jagtiani, Jun F Liang
Camptothecin (CPT) is a potent chemotherapeutic agent that shows a broad spectrum of anticancer activities. However, it is clinically inactive because of poor aqueous solubility, rapid aqueous hydrolysis, and unexpected side effects. Three strategies have extensively been adopted to improve its dissolution rate including reduction of drug particle size to a nanoscale, use of an amorphous state, and the formation of inclusion compounds. In our study, we combined these three strategies together by constructing CPT nanoparticles by creating an inclusion complex with β-cyclodextrin (BCD)...
December 6, 2016: Anti-cancer Drugs
https://www.readbyqxmd.com/read/27906699/reversal-effects-of-local-anesthetics-on-p-glycoprotein-mediated-cancer-multidrug-resistance
#15
Yong Hu, Xiaobing Qin, Haixia Cao, Shaorong Yu, Jifeng Feng
The existence of multidrug resistance (MDR) is the main reason for failure in cancer chemotherapy. The main mechanism of MDR is the overexpression of P-glycoprotein (P-gp). P-gp, a 170 kDa transmembrane phosphorylated glycoprotein encoded by ABCB1 belonging to a member of the ATP-binding cassette (ABC) super-family of the membrane transporters, is also known as the MDR protein. Local anesthetics (LAs) are a major contributor to medical practice. As a cornerstone of analgesia, LAs provides myriad benefits...
November 30, 2016: Anti-cancer Drugs
https://www.readbyqxmd.com/read/27902496/final-results-of-the-phase-iii-uro-bcg-4-multicenter-study-efficacy-and-tolerance-of-one-third-dose-bcg-maintenance-in-nonmuscle-invasive-bladder-cancer
#16
François X Nouhaud, Jérome Rigaud, Fabien Saint, Marc Colombel, Jacques Irani, Michel Soulie, Christian Pfister
To assess at 3 years bacillus Calmette-Guerin (BCG) maintenance treatment for NMIBC using one-third dose schedule and fewer instillations every 3 or 6 months. This was a phase III randomized study including patients with intermediate-risk or high-risk NMIBC, who received, after a full-dose induction schedule, three-weekly instillations of one-third dose BCG every 6 months (group I) and two-weekly instillations every 3 months (group II) during 3 years. We assessed oncological efficacy, BCG side effects, leukocyturia, and prostate-specific antigen...
November 29, 2016: Anti-cancer Drugs
https://www.readbyqxmd.com/read/27861173/construction-expression-and-activity-of-a-novel-immunotoxin-comprising-a-humanized-antiepidermal-growth-factor-receptor-scfv-and-modified-pseudomonas-aeruginosa-exotoxin-a
#17
Bahman Akbari, Safar Farajnia, Nosratollah Zarghami, Nejat Mahdieh, Mohammad Rahmati, Shiva A Khosroshahi, Abolfazl Barzegar, Leila Rahbarnia
Overexpression of epidermal growth factor receptor (EGFR) plays a significant role in the development and metastasis of many solid tumors. Strategies based on anti-EGFR immunotoxins have shown promising results in several studies, but immunogenicity of antibody and toxin moieties is a limitation of this type of therapeutics. In the present study, a novel humanized anti-EGFR immunotoxin (huscFv-PE25) was developed by genetic fusing of a humanized anti-EGFR single-chain variable fragment (huscFv) with a modified Pseudomonas aeruginosa exotoxin A (PE25KDEL)...
November 16, 2016: Anti-cancer Drugs
https://www.readbyqxmd.com/read/27845948/5-fluorouracil-degradation-rate-could-predict-toxicity-in-stages-ii-iii-colorectal-cancer-patients-undergoing-adjuvant-folfox
#18
Concetta E Onesti, Andrea Botticelli, Marco La Torre, Marina Borro, Giovanna Gentile, Adriana Romiti, Luana Lionetto, Antonella Petremolo, Mario Occhipinti, Michela Roberto, Rosa Falcone, Maurizio Simmaco, Paolo Marchetti, Federica Mazzuca
5-Fluorouracil is commonly used for gastrointestinal cancer treatment in an adjuvant setting; however, the toxicity can lead to a reduction, delay, or discontinuation of treatment. We retrospectively investigated the association between the 5-fluorouracil degradation rate (5-FUDR) and genetic polymorphisms of TSER, DPYD, and MHTFR with toxicity in colorectal cancer patients treated with adjuvant FOLFOX. Pretreatment 5-FUDR and MTHFR A1298T or C677T, TSER, and DPYD gene polymorphisms were characterized in stages II-III colorectal cancer patients...
November 11, 2016: Anti-cancer Drugs
https://www.readbyqxmd.com/read/27879498/enhancement-of-death-receptor-4-mediated-apoptosis-and-cytotoxicity-in-renal-cell-carcinoma-cells-by-anisomycin
#19
Yongnan Li, Xiuxian Wu, Xinghua Jin, Jiumei Wang, Yoshikazu Togo, Toru Suzuki, Takahiko Hashimoto, Yusuke Yamada, Yukako Nakanishi, Akihiro Kanematsu, Michio Nojima, Yoshiyuki Kakehi, Shingo Yamamoto
Renal cell carcinoma (RCC) is one of the most drug-resistant malignancies, and an effective therapy is lacking for metastatic RCC. Anisomycin is known to inhibit protein synthesis and induce ribotoxic stress. The aim of this study was to explore whether anisomycin enhances the cytotoxic effects of mapatumumab, a human agonistic monoclonal antibody specific for death receptor 4 (DR4), in human RCC cells. We examined the cytotoxicity of anisomycin alone and in combination with mapatumumab in human RCC cell lines and primary RCC cell cultures...
February 2017: Anti-cancer Drugs
https://www.readbyqxmd.com/read/27831944/receptor-for-advanced-glycation-end-product-blockade-enhances-the-chemotherapeutic-effect-of-cisplatin-in-tongue-squamous-cell-carcinoma-by-reducing-autophagy-and-modulating-the-wnt-pathway
#20
Ziming Zhao, Hongyu Wang, Liao Zhang, Xifan Mei, Jing Hu, Keqiang Huang
Tongue squamous cell carcinoma (TSCC) is one of the most severe types of cancer with poor outcomes. Cisplatin is used widely to treat cancer cells, but many patients develop acquired drug resistance. The receptor for advanced glycation end products (RAGE) is expressed widely in TSCC and associated with drug-induced chemotherapy resistance. However, the effect of RAGE and cisplatin on Tca-8113 cells remains unknown. We assayed the combined use of RAGE blockade and cisplatin effect on Tca-8113 cells' viability by MTT and apoptosis rate of Tca-8113 cells on RAGE blockade+cisplatin treatment; cisplatin alone; or RAGE blockade alone by flow cytometry...
February 2017: Anti-cancer Drugs
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