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https://www.readbyqxmd.com/read/28431353/discovery-of-potential-anticancer-multi-targeted-ligustrazine-based-cyclohexanone-and-oxime-analogs-overcoming-the-cancer-multidrug-resistance
#1
Gao-Feng Zha, Hua-Li Qin, Bahaa G M Youssif, Muhammad Wahab Amjad, Maria Abdul Ghafoor Raja, Ahmed H Abdelazeem, Syed Nasir Abbas Bukhari
The drug research and development nowadays is focusing on multi-target drugs. In the treatment of cancer, therapies using drugs inhibiting one numerous targets signify a novel viewpoint. In comparison with traditional therapy, multi-targeted drugs directly aim cell subpopulations which are involved in progression of tumor. The current study comprises the synthesis of 34 novel ligustrazine-containing α, β-unsaturated carbonyl-based compounds and oximes. The growth of 5 various cancer cell types was strongly inhibited by ligustrazine-containing oximes as revealed by biological evaluation...
April 14, 2017: European Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28431263/epigenetic-therapy-and-chemosensitization-in-solid-malignancy
#2
REVIEW
Sean M Ronnekleiv-Kelly, Anup Sharma, Nita Ahuja
Epigenetic modifications result in dynamic shifts between transcriptionally active and suppressed states. The potentially reversible nature of epigenetic changes underlies the concept of epigenetic therapy, which serves to reprogram cancer cells as opposed to inducing cytotoxicity that occurs with standard chemotherapeutics. There are numerous enzymes involved in epigenetic changes and each can be potentially targetable. Although many investigations have evaluated the clinical potential of the various epigenetic therapies, currently only histone deacetylase inhibitors and DNA methyltransferase inhibitors are approved for use in specific hematologic malignancies...
April 8, 2017: Cancer Treatment Reviews
https://www.readbyqxmd.com/read/28430874/developmental-sall2-transcription-factor-a-new-player-in-cancer
#3
Viviana E Hermosilla, Matias I Hepp, David Escobar, Carlos Farlas, Elizabeth N Riffo, Ariel F Castro, Roxana Pincheira
SALL2, also known as Spalt-like transcription factor 2, is a member of the SALL family of transcription factors involved in development and conserved through evolution. Since its identification in 1996, findings indicate that SALL2 plays a role in neurogenesis, neuronal differentiation and eye development. Consistently, SALL2 deficiency associates with neural tube defects and coloboma, a congenital eye disease. Relevant to cancer, clinical studies indicate that SALL2 is deregulated in various cancers, and is a specific biomarker for Synovial Sarcoma...
April 18, 2017: Carcinogenesis
https://www.readbyqxmd.com/read/28430642/immunocompetent-mouse-allograft-models-for-development-of-therapies-to-target-breast-cancer-metastasis
#4
Yuan Yang, Howard H Yang, Ying Hu, Peter H Watson, Huaitian Liu, Thomas R Geiger, Miriam R Anver, Diana C Haines, Philip Martin, Jeffrey E Green, Maxwell P Lee, Kent W Hunter, Lalage M Wakefield
Effective drug development to combat metastatic disease in breast cancer would be aided by the availability of well-characterized preclinical animal models that (a) metastasize with high efficiency, (b) metastasize in a reasonable time-frame, (c) have an intact immune system, and (d) capture some of the heterogeneity of the human disease. To address these issues, we have assembled a panel of twelve mouse mammary cancer cell lines that can metastasize efficiently on implantation into syngeneic immunocompetent hosts...
February 25, 2017: Oncotarget
https://www.readbyqxmd.com/read/28430601/growth-suppressive-activity-of-raloxifene-on-liver-cancer-cells-by-targeting-il-6-gp130-signaling
#5
Yina Wang, Haiyan Ma, Chongqiang Zhao, Tianshu Liu, Dan Yan, David Jou, Huameng Li, Cuntai Zhang, Jiagao Lü, Chenglong Li, Jiayuh Lin, Sheng Li, Li Lin
BACKGROUND: Interleukin-6 (IL-6) is a multifunctional cytokine, which is involved in the regulation of differentiation and growth of certain types of tumor cells. Constitutive activation of Signal Transducer and Activator of Transcription 3 (STAT3) induced by IL-6 is frequently detected in liver cancer and has emerged as a viable molecular target for liver cancer treatment. However, few inhibitors targeting up-streams of STAT3 are available for the therapy of liver cancer. We reported the discovery of EVISTA (Raloxifene HCl) as novel inhibitor of IL-6/GP130 protein-protein interactions (PPIs) using multiple ligand simultaneous docking (MLSD) and drug repositioning...
April 6, 2017: Oncotarget
https://www.readbyqxmd.com/read/28430590/treatment-of-esophageal-cancer-with-radiation-therapy-a-pan-chinese-survey-of-radiation-oncologists
#6
Yun Zhang, Jing Liu, Wencheng Zhang, Weiye Deng, Jinbo Yue
Lots of controversies were found about the treatment in relation to radiation therapy (RT) for esophageal squamous cell carcinoma (ESCC). We designed a questionnaire of these controversies to do a pan-Chinese survey of radiation oncologists (ROs). For operable ESCC, 53% ROs chose surgery plus postoperative chemoradiotherapy (CRT), while 40% chose preoperative CRT plus surgery. For target volume of postoperative RT, most ROs (92%) would delineate tumor bed plus involved lymph nodes region before surgery. For definitive RT, most ROs (81%) would give patients higher RT dose to 60-65Gy...
April 5, 2017: Oncotarget
https://www.readbyqxmd.com/read/28430580/expression-status-of-folate-receptor-alpha-is-a-predictor-of-survival-in-pancreatic-ductal-adenocarcinoma
#7
Lei Cai, Theodoros Michelakos, Cristina R Ferrone, Liyuan Zhang, Vikram Deshpande, Qi Shen, Albert De Leo, Teppei Yamada, Gong Zhang, Soldano Ferrone, Xinhui Wang
Pancreatic ductal adenocarcinoma (PDAC) has one of the poorest prognosis among malignancies. Thus, the identification of markers useful in developing innovative diagnostic and therapeutic methods is an imperative need. Folate receptor alpha (FRα) has been associated with prognosis in several cancers and has served as a target of novel anti-tumor therapies. However, FRα expression in PDAC and its correlation with the clinical course of the disease has not been thoroughly investigated. In this study, we analyzed FRα expression in 140 PDAC specimens and 7 PDAC cell lines in order to define the significance of FRα expression in PDAC and its potential role as a target for immunotherapy...
April 5, 2017: Oncotarget
https://www.readbyqxmd.com/read/28430577/synthetic-lethal-interaction-between-the-tumour-suppressor-stag2-and-its-paralog-stag1
#8
Lorena Benedetti, Matteo Cereda, LeeAnn Monteverde, Nikita Desai, Francesca D Ciccarelli
Cohesin is a multi-protein complex that tethers sister chromatids during mitosis and mediates DNA repair, genome compartmentalisation and regulation of gene expression. Cohesin subunits frequently acquire cancer loss-of-function alterations and act as tumour suppressors in several tumour types. This has led to increased interest in cohesin as potential target in anti-cancer therapy. Here we show that the loss-of-function of STAG2, a core component of cohesin and an emerging tumour suppressor, leads to synthetic dependency of mutated cancer cells on its paralog STAG1...
April 5, 2017: Oncotarget
https://www.readbyqxmd.com/read/28430159/efficacy-of-low-molecular-weight-fucoidan-as-a-supplemental-therapy-in-metastatic-colorectal-cancer-patients-a-double-blind-randomized-controlled-trial
#9
Hsiang-Lin Tsai, Chi-Jung Tai, Ching-Wen Huang, Fang-Rong Chang, Jaw-Yuan Wang
BACKGROUND: Low-molecular-weight fucoidan (LMF) is widely used as a food supplement for cancer patients. However, all of the studies are in vitro or were conducted using mice. Therefore, powerful clinical evidence for LMF use is relatively weak. This study aimed to evaluate the efficacy of LMF as a supplemental therapy to chemo-target agents in metastatic colorectal cancer (mCRC) patients. METHODS: We conducted a prospective, randomized, double-blind, controlled trial to evaluate the efficacy of LMF as a supplemental therapy to chemotarget agents in patients with metastatic colorectal cancer (mCRC)...
April 21, 2017: Marine Drugs
https://www.readbyqxmd.com/read/28429795/cd200-positive-cancer-associated-fibroblasts-augment-the-sensitivity-of-epidermal-growth-factor-receptor-mutation-positive-lung-adenocarcinomas-to-egfr-tyrosine-kinase-inhibitors
#10
Masayuki Ishibashi, Shinya Neri, Hiroko Hashimoto, Tomoyuki Miyashita, Tatsuya Yoshida, Yuka Nakamura, Hibiki Udagawa, Keisuke Kirita, Shingo Matsumoto, Shigeki Umemura, Kiyotaka Yoh, Seiji Niho, Masahiro Tsuboi, Kenkichi Masutomi, Koichi Goto, Atsushi Ochiai, Genichiro Ishii
Cancer associated fibroblasts (CAFs) play important roles in the chemotherapeutic process, especially through influencing the resistance of tumor cells to molecular targeted therapy. Here we report the existence of a special subpopulation of patient-specific-CAFs that augment the sensitivity of EGFR gene mutation-positive lung cancer to the EGFR-tyrosine kinase inhibitor (EGFR-TKI), gefitinib. When cocultured with EGFR mutation positive lung cancer cells, these CAFs increased the apoptic effect of gefitinib on cancer cells, whereas, in the absence of gefitinib, they did not affect cancer cell viability...
April 21, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28429765/repolarizing-macrophages-improves-breast-cancer-therapy
#11
Luca Cassetta, Jeffrey W Pollard
Tumor-associated macrophages (TAMs) contribute to breast cancer progression and dissemination; TAM-targeting strategies aimed at their reprogramming show promising preclinical results. In a new report Guerriero and colleagues demonstrate that a novel HDAC Class IIa inhibitor, TMP195, can reprogram monocytes and macrophages in the tumor into cells able to sustain a robust CD8 T cell-mediated anti-tumoral immune response.
April 21, 2017: Cell Research
https://www.readbyqxmd.com/read/28429764/fabrication-characterization-and-biological-evaluation-of-anti-her2-indocyanine-green-doxorubicin-encapsulated-peg-b-plga-copolymeric-nanoparticles-for-targeted-photochemotherapy-of-breast-cancer-cells
#12
Yu-Hsiang Lee, Da-Sheng Chang
In this study, we aimed to develop anti-human epidermal growth factor receptor 2 (HER2) indocyanine green (ICG)-doxorubicin (DOX)-encapsulated polyethylene glycol-poly(lactic-co-glycolic acid) diblock copolymeric nanoparticles (HIDPPNPs) to explore the co-administration of phototherapy and chemotherapy for HER2-overexpressing breast cancer, a highly aggressive and medicine-resistant breast carcinoma. The HIDPPNPs were fabricated using a solvent evaporation technique followed by carbodiimide-mediated antibody conjugation on the nanoparticle surface...
April 21, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28429752/lncrna-hit-promotes-cell-proliferation-of-non-small-cell-lung-cancer-by-association-with-e2f1
#13
L Yu, F Fang, S Lu, X Li, Y Yang, Z Wang
Lung cancer is the leading cause of cancer-related death around the world. Long noncoding RNA (lncRNA) has pivotal roles in cancer occurrence and development. However, only a few lncRNAs have been functionally characterized. In the present study, we investigated the effects of lncRNA-HIT (HOXA transcript induced by TGFβ) expression on non-small cell lung cancer (NSCLC) cell phenotype with the gain-of-function and loss-of-function assays. We found that ectopic expression or knockdown of lncRNA-HIT markedly increased or decreased NSCLC cell proliferation, respectively...
April 21, 2017: Cancer Gene Therapy
https://www.readbyqxmd.com/read/28429724/clonal-evolution-in-myelodysplastic-syndromes
#14
Pedro da Silva-Coelho, Leonie I Kroeze, Kenichi Yoshida, Theresia N Koorenhof-Scheele, Ruth Knops, Louis T van de Locht, Aniek O de Graaf, Marion Massop, Sarah Sandmann, Martin Dugas, Marian J Stevens-Kroef, Jaroslav Cermak, Yuichi Shiraishi, Kenichi Chiba, Hiroko Tanaka, Satoru Miyano, Theo de Witte, Nicole M A Blijlevens, Petra Muus, Gerwin Huls, Bert A van der Reijden, Seishi Ogawa, Joop H Jansen
Cancer development is a dynamic process during which the successive accumulation of mutations results in cells with increasingly malignant characteristics. Here, we show the clonal evolution pattern in myelodysplastic syndrome (MDS) patients receiving supportive care, with or without lenalidomide (follow-up 2.5-11 years). Whole-exome and targeted deep sequencing at multiple time points during the disease course reveals that both linear and branched evolutionary patterns occur with and without disease-modifying treatment...
April 21, 2017: Nature Communications
https://www.readbyqxmd.com/read/28429654/microrna-451-regulates-chemoresistance-in-renal-cell-carcinoma-by-targeting-atf-2-gene
#15
Xiang Sun, Longhua Lou, Kezhao Zhong, Lijuan Wan
Renal cell carcinoma (RCC) is a malignant tumor, which severely threatens human's life, moreover, the multi-drug resistance (MDR) under RCC undoubtedly strengthen the difficulties in the treatment. MiR-451 has been considered to play an important role in regulation of MDR in several cancers, but the role of it in MDR of RCC has not been explored. This study aims to explore the mechanism of miR-451 as a target to regulate chemotherapy resistance, which is crucial for further exploring novel therapy for RCC. Two human cell lines (ACHN and GRC-1) were performed in this study and adriamycin (ADM) was used to construct MDR cell lines...
January 1, 2017: Experimental Biology and Medicine
https://www.readbyqxmd.com/read/28429280/synergistic-anti-cancer-effects-of-epigenetic-drugs-on-medulloblastoma-cells
#16
Juan Yuan, Núria Llamas Luceño, Bjoern Sander, Monika M Golas
PURPOSE: Medulloblastomas are aggressive brain malignancies. While considerable progress has been made in the treatment of medulloblastoma patients with respect to overall survival, these patients are still at risk of developing neurologic and cognitive deficits as a result of anti-cancer therapies. It is hypothesized that targeted molecular therapies represent a better treatment option for medulloblastoma patients. Therefore, the aim of the present study was to test a panel of epigenetic drugs for their effect on medulloblastoma cells under mild hypoxic conditions that reflect the physiological concentrations of oxygen in the brain...
April 20, 2017: Cellular Oncology (Dordrecht)
https://www.readbyqxmd.com/read/28429101/human-circulating-and-tissue-gastric-cancer-stem-cells-display-distinct-epithelial-mesenchymal-features-and-behaviors
#17
Shengliang Zhang, Yanna Shang, Tie Chen, Xin Zhou, Wengtong Meng, Chuanwen Fan, Ran Lu, Qiaorong Huang, Xue Li, Xu Hong, Zongguang Zhou, Jiankun Hu, Xianming Mo
INTRODUCTION: Metastasis is a leading cause of cancer-related-deaths worldwide. Recently, cancer stem cells (CSCs) have been believed to be responsible for tumor initiation and metastasis, but till now, difference of cellular features and behaviors between CSCs from tumor tissues (TCSCs) and circulation (CCSCs) remains largely unknown, which hinders the progression of targeted therapies for metastasis. METHODS AND RESULTS: Here, we provide the features of circulating gastric cancer stem cells (CGCSCs) isolated from human gastric adenocarcinoma...
April 20, 2017: Journal of Cancer Research and Clinical Oncology
https://www.readbyqxmd.com/read/28429069/mupexi-prediction-of-neo-epitopes-from-tumor-sequencing-data
#18
Anne-Mette Bjerregaard, Morten Nielsen, Sine Reker Hadrup, Zoltan Szallasi, Aron Charles Eklund
Personalization of immunotherapies such as cancer vaccines and adoptive T cell therapy depends on identification of patient-specific neo-epitopes that can be specifically targeted. MuPeXI, the mutant peptide extractor and informer, is a program to identify tumor-specific peptides and assess their potential to be neo-epitopes. The program input is a file with somatic mutation calls, a list of HLA types, and optionally a gene expression profile. The output is a table with all tumor-specific peptides derived from nucleotide substitutions, insertions, and deletions, along with comprehensive annotation, including HLA binding and similarity to normal peptides...
April 20, 2017: Cancer Immunology, Immunotherapy: CII
https://www.readbyqxmd.com/read/28428969/targeted-lung-cancer-treatments-and-eye-metastasis
#19
REVIEW
Paul Zarogoulidis, Sofia Baka, Sofia Labaki, George Lazaridis, Georgia Trakada
Lung cancer remains the leading cause of death due to cancer. We do not have effective tools for the early detection of lung cancer, so patients are usually diagnosed at an advanced stage. However, novel therapies based on molecular pathways (such as those involving the epidermal growth factor receptor, anaplastic lymphoma kinase, serine/threonine-protein kinase B-Raf, proto-oncogene tyrosine-protein kinase ROS, c-Met proto-oncogene protein, and RET proto-oncogene protein) are now commonly used in the treatment of lung cancer...
2017: Medical Hypothesis, Discovery and Innovation in Ophthalmology
https://www.readbyqxmd.com/read/28428947/update-on-programmed-death-1-and-programmed-death-ligand-1-inhibition-in-the-treatment-of-advanced-or-metastatic-non-small-cell-lung-cancer
#20
REVIEW
Marco A J Iafolla, Rosalyn A Juergens
PURPOSE: Non-small-cell lung cancer (NSCLC) has a large worldwide prevalence with a high mortality rate. Chemotherapy has offered modest improvements in survival over the past two decades. Immune checkpoint modulation with programmed death-1 (PD-1) or programmed death-ligand 1 (PD-L1) inhibition has shown the promise of changing the future landscape of cancer therapy. This update reviews recent advances in the treatment of NSCLC with immune checkpoint modulation. METHODS: Publications and proceedings were identified from searching PubMed and proceedings from the annual meetings of the American Society of Clinical Oncology, European Society for Medical Oncology, and European Lung Cancer Conference...
2017: Frontiers in Oncology
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