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Anti-cancer Drugs

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https://www.readbyqxmd.com/read/28225458/prognostic-factors-and-outcome-of-patients-with-hematological-malignancies-in-phase-i-trials-the-gustave-roussy-scoring-system
#1
Lina Benajiba, Jean-Marie Michot, Capucine Baldini, Laura Faivre, Andrea Varga, Rastilav Balheda, Anas Gazzah, Ecaterina Ileana, Sophie Postel-Vinay, Christophe Massard, Stéphane de Botton, Jean-Charles Soria, Vincent Ribrag
Despite considerable progress in hematological malignancies (HM) biology during the last decades, translation into clinical benefit remains a major challenge. To improve patient selection and identify patients most likely to benefit from phase I trials, we designed and validated, in an independent cohort, a simple prognostic score. Treatment outcome, toxicity, and survival data from 82 consecutive patients enrolled in 14 phase I trials were reviewed (January 2008-February 2012). We validated these results on a prospectively collected cohort (17 phase I trials, February 2012-May 2014, 88 patients)...
February 20, 2017: Anti-cancer Drugs
https://www.readbyqxmd.com/read/28225457/rhoa-rock-pathway-inhibition-by-fasudil-suppresses-the-vasculogenic-mimicry-of-u2os-osteosarcoma-cells-in-vitro
#2
Yun Xia, Xianyi Cai, Jiquan Fan, Liling Zhang, Zhenyu Li, Jinghua Ren, Gang Wu, Fang Zhu
GTPase RhoA and its downstream Rho-associated coiled-coil-containing protein kinases (ROCKs) are frequently overexpressed in human cancers. Inhibition of the RhoA/ROCK pathway blocks angiogenesis mediated by the vascular endothelial growth factor, which led us to investigate the role of this pathway in vasculogenic mimicry (VM) - a process by which aggressive cancer cells form vessel-like structures that provide adequate blood supply for tumor growth. We showed that the expression of RhoA and its effector kinases ROCK1/2 was much higher in human osteosarcoma (OS) tissues and the human OS cell line U2OS than in nontumorous tissues and cell line hFOB 1...
February 20, 2017: Anti-cancer Drugs
https://www.readbyqxmd.com/read/28225456/efficacy-of-bevacizumab-and-erlotinib-combination-for-leptomeningeal-carcinomatosis-after-failure-of-erlotinib
#3
Ryo Ariyasu, Atsushi Horiike, Junji Koyama, Masafumi Saiki, Tomoaki Sonoda, Yosuke Kawashima, Natsuki Takano, Tomoyo Oguri, Shingo Nishikawa, Satoru Kitazono, Noriko Yanagitani, Fumiyoshi Ohyanagi, Makoto Nishio
In patients with non-small-cell lung cancer harboring an epithelial growth factor receptor (EGFR) active mutation, central nervous system progression after a response to EGFR tyrosine kinase inhibitors is frequent. Central nervous system metastasis, especially leptomeningeal carcinomatosis (LMC), is a serious complication and no standard treatment has been established for LMC. Here, we report two cases in which the addition of bevacizumab to erlotinib enhanced the efficacy against LMC; as a result, radiographic abnormalities decreased markedly and symptoms were well controlled...
February 20, 2017: Anti-cancer Drugs
https://www.readbyqxmd.com/read/28181940/stable-disease-in-a-patient-with-metastatic-leiomyosarcoma-treated-with-trabectedin
#4
Ketty Tavella, Alessandro Villanucci, Laura Vannini, Daniele Lavacchi, Silvia Montelatici, Gianni Amunni, Teresita Mazzei
Leiomyosarcomas represent the most common variant of uterine sarcomas, and are also considered to be the least chemosensitive. To date, adriamycin and ifosfamide are believed to be the most effective drugs for its treatment, in addition to docetaxel and gemcitabine. Recently, the introduction of trabectedin has provided clinicians with another treatment option, and the drug may have some benefits for patients as it may allow for long-term treatment. We present the case of a patient who previously failed multiple cycles of chemotherapy and who was subsequently treated with 30 cycles of trabectedin as third-line therapy for multiple metastases of uterine leiomyosarcoma...
February 8, 2017: Anti-cancer Drugs
https://www.readbyqxmd.com/read/28177944/metformin-depresses-overactivated-notch1-hes1-signaling-in-colorectal-cancer-patients-with-type-2-diabetes-mellitus
#5
Bin Yang, Can-Ze Huang, Tao Yu, Sheng-Ning Zhou, Qi Liu, Gao-Jie Liu, Shuang Chen, Fang-Hai Han
The function of metformin in colorectal cancer (CRC) patients with diabetes mellitus (DM) remains a controversial topic because studies are increasingly focusing on epidemiologic features. We examined Notch1/Hes1 signaling in CRC with DM (DM-CRC) and investigated alterations in signaling caused by metformin treatment. For this purpose, information on pathological characteristics was collected from each patient. The proliferation of epithelium labeled with proliferating cell nuclear antigen and the differentiation of goblet cells were investigated using immunohistochemistry and periodic acid-Schiff staining, respectively...
February 7, 2017: Anti-cancer Drugs
https://www.readbyqxmd.com/read/28166090/chemotherapy-for-recurrent-metastatic-head-and-neck-cancers
#6
Andy Karabajakian, Philippe Toussaint, Eve-Marie Neidhardt, Valérie Paulus, Pierre Saintigny, Jérôme Fayette
Chemotherapy is the only option of treatment for most patients presenting with a recurrent and/or metastatic head and neck squamous cell carcinoma. The triple association of cisplatin, 5-fluorouracile, and cetuximab is still the current standard for fit patients. Other schemes are currently being compared with this protocol in ongoing trials and the association of cisplatin, docetaxel, and cetuximab appears to be the most efficient. The human papilloma virus is very likely a favorable prognostic factor. Immunotherapy with nivolumab or pembrolizumab is now a new standard of treatment in second line after yielding an improvement in overall survival, but predictive markers of efficacy are needed to refine the selection of patients...
February 3, 2017: Anti-cancer Drugs
https://www.readbyqxmd.com/read/28157137/extracellular-polyamines-induced-proliferation-and-migration-of-cancer-cells-by-odc-ssat-and-akt1-mediated-pathway
#7
Fujun Dai, Wubei Yu, Jia Song, Qian Li, Chaojie Wang, Songqiang Xie
High levels of polyamines were observed and were related to a poor prognosis in cancer patients. However, the mechanism is not obvious. The aim of this study is to mimic the extracellular polyamines in a tumor microenviroment and to explore the role of extracellular polyamines in the proliferation and migration of cancer cells. Three different concentrations of polyamines composed of putrescine, spermidine, and spermine were used. Colony formation assay, wound healing assay, and transwell migration assay were performed...
February 2, 2017: Anti-cancer Drugs
https://www.readbyqxmd.com/read/28134662/chemotherapy-for-localized-head-and-neck-squamous-cell-cancers
#8
Andy Karabajakian, Philippe Toussaint, Eve-Marie Neidhardt, Valérie Paulus, Pierre Saintigny, Jérôme Fayette
Concomitant chemotherapy with cisplatin (100 mg/m every 3 weeks) improves outcome for high-risk patients in the postoperative setting and for inoperable disease. Toxicity is increased. Other schemes of potentiation are sometimes used to reduce toxicity, but efficiency is diminished. Cetuximab also improves outcome, but there has been no direct comparison with cisplatin. Immunotherapy is currently being evaluated in association with radiation therapy. Trials are ongoing to evaluate the impact of de-escalation for human papillomavirus-positive patients...
January 27, 2017: Anti-cancer Drugs
https://www.readbyqxmd.com/read/28125433/pi3k-%C3%AE-inhibition-using-cal-101-exerts-apoptotic-effects-and-increases-doxorubicin-induced-cell-death-in-pre-b-acute-lymphoblastic-leukemia-cells
#9
Ava Safaroghli-Azar, Davood Bashash, Parisa Sadreazami, Majid Momeny, Seyed H Ghaffari
The frequency of dysregulated PI3K in acute lymphoblastic leukemia (ALL) coupled with the critical role of this signaling pathway in the acquisition of chemoresistant phenotype lend compelling weight to the application of PI3K inhibitors for the treatment of ALL. In this study, we found that abrogation of the PI3K pathway using CAL-101, a selective inhibitor of PI3K p110-δ, exerts a cytotoxic effect against Nalm-6 pre-B-ALL cells. Our results showed that the growth-suppressive effect is mediated, at least partially, by G1 arrest as a result of upregulated p21...
January 25, 2017: Anti-cancer Drugs
https://www.readbyqxmd.com/read/28125432/apigenin-inhibits-cell-proliferation-migration-and-invasion-by-targeting-akt-in-the-a549-human-lung-cancer-cell-line
#10
Zhongping Zhou, Miaomiao Tang, Yi Liu, Zhuyi Zhang, Rongzhu Lu, Jian Lu
Apigenin (APG), a widely distributed flavonoid in vegetables and fruits, with low toxicity, and a nonmutagenic characteristic, has been reported to have many targets. Evidence indicates that APG can inhibit the proliferation, migration, invasion, and metastasis of some tumor cells, but the mechanism, specifically in lung cancer, is unclear. The phosphoinositide 3-kinase (PI3K)/Akt signaling pathway regulates a diverse set of cellular functions relevant to the growth and progression of lung cancer, including proliferation, survival, migration, and invasion...
January 25, 2017: Anti-cancer Drugs
https://www.readbyqxmd.com/read/28099210/pazopanib-a-promising-option-for-the-treatment-of-aggressive-fibromatosis
#11
Zoltan Szucs, Christina Messiou, Han Hsi Wong, Helen Hatcher, Aisha Miah, Shane Zaidi, Winette T A van der Graaf, Ian Judson, Robin L Jones, Charlotte Benson
Desmoid tumour/aggressive fibromatosis (DT/AF) is a rare soft-tissue neoplasm that is locally aggressive but does not metastasize. There is no standard systemic treatment for symptomatic patients, although a number of agents are used. Tyrosine kinase inhibitors have recently been reported to show useful activity. We reviewed our bi-institutional (Royal Marsden Hospital, Cambridge University Hospitals) experience with the tyrosine kinase inhibitor pazopanib in the treatment of progressing DT/AF. Eight patients with DT/AF were treated with pazopanib at Royal Marsden Hospital and Cambridge University Hospitals between June 2012 and June 2016...
January 17, 2017: Anti-cancer Drugs
https://www.readbyqxmd.com/read/28085697/akt-activation-was-not-essential-for-hepatocellular-carcinoma-cell-survival-under-glucose-deprivation
#12
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
#13
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
#14
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
#15
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
#16
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/28207569/poly-adp-ribose-polymerase-inhibition-suppresses-cisplatin-toxicity-in-chronic-myeloid-leukemia-cells
#17
Ling-Yi Xiao, Wai-Ming Kan
Cancer cells may acquire drug resistance by activating DNA repair signaling. Poly ADP-ribose polymerase (PARP) plays an important role in DNA repair and it is overexpressed in many cancers including chronic myeloid leukemia (CML). PARP inhibitors have been used either alone or with other drugs to augment cancer cell death. However, whether PARP inhibitors may also augment cell death induced by chemotherapeutic agents in CML cells has not been studied. K562 cells with or without PARP-1 knockdown were treated with cisplatin alone or together with olaparib...
March 2017: Anti-cancer Drugs
https://www.readbyqxmd.com/read/28030380/potential-anticancer-role-of-colchicine-based-derivatives-an-overview
#18
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...
March 2017: Anti-cancer Drugs
https://www.readbyqxmd.com/read/27997437/association-between-adjuvant-docetaxel-based-chemotherapy-and-breast-cancer-related-lymphedema
#19
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...
March 2017: 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
#20
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...
March 2017: Anti-cancer Drugs
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