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https://www.readbyqxmd.com/read/28427252/long-non-coding-rna-braf-activated-non-coding-rna-as-a-potential-novel-molecular-biomarker-for-metastasis-and-prognosis-in-various-cancers
#1
Anbang He, Song Feng, Zhicong Chen, Yuhan Liu, Hongbing Mei
No abstract text is available yet for this article.
June 2017: Minerva Medica
https://www.readbyqxmd.com/read/28427247/molecular-testing-of-lung-cancers
#2
Hyo Sup Shim, Yoon-La Choi, Lucia Kim, Sunhee Chang, Wan-Seop Kim, Mee Sook Roh, Tae-Jung Kim, Seung Yeon Ha, Jin-Haeng Chung, Se Jin Jang, Geon Kook Lee
Targeted therapies guided by molecular diagnostics have become a standard treatment of lung cancer. Epidermal growth factor receptor (EGFR) mutations and anaplastic lymphoma kinase (ALK) rearrangements are currently used as the best predictive biomarkers for EGFR tyrosine kinase inhibitors and ALK inhibitors, respectively. Besides EGFR and ALK, the list of druggable genetic alterations has been growing, including ROS1 rearrangements, RET rearrangements, and MET alterations. In this situation, pathologists should carefully manage clinical samples for molecular testing and should do their best to quickly and accurately identify patients who will benefit from precision therapeutics...
April 21, 2017: Journal of Pathology and Translational Medicine
https://www.readbyqxmd.com/read/28427243/usp22-drives-colorectal-cancer-invasion-and-metastasis-via-epithelial-mesenchymal-transition-by-activating-ap4
#3
Yongmin Li, Yanmei Yang, Jingwen Li, He Liu, Fuxun Chen, Bingyang Li, Binbin Cui, Yanlong Liu
Ubiquitin specific peptidase 22 (USP22), a putative cancer stem cell marker, is overexpressed in liver metastases of colorectal cancer (CRC). However, the mechanism by which USP22 promotes CRC metastasis remains largely unknown. Here, we report that USP22 and AP4 are simultaneously overexpressed during TGF-β1-induced CRC cell epithelial-mesenchymal transition (EMT). USP22 up-regulation enhances CRC cell migration and invasion and EMT-related marker and AP4 expression, but these effects are partly blocked by AP4 knockdown...
March 6, 2017: Oncotarget
https://www.readbyqxmd.com/read/28427240/ube2t-knockdown-inhibits-gastric-cancer-progression
#4
Changjiang Luo, Yunyi Yao, Zeyuan Yu, Huinian Zhou, Lingyun Guo, Junqiang Zhang, Hongtai Cao, Genyuan Zhang, Yumin Li, Zuoyi Jiao
Ubiquitin-conjugating enzymes (E2 enzymes) such as UBE2T target proteins for degradation via the proteasome. Here, we examined the effects of UBE2T on the progression of gastric cancer. UBE2T was highly expressed in gastric tumors and gastric cancer cells. siRNA-mediated suppression of UBE2T inhibited gastric cancer cell proliferation and colony formation by promoting cell cycle arrest at G2/M phase and increasing apoptosis. Suppression of UBE2T also attenuated the invasive and metastatic abilities of gastric cancer cells by altering expression of epithelial-mesenchymal transition (EMT)-related factors...
March 6, 2017: Oncotarget
https://www.readbyqxmd.com/read/28427238/clinical-features-and-treatment-outcome-of-non-small-cell-lung-cancer-nsclc-patients-with-uncommon-or-complex-epidermal-growth-factor-receptor-egfr-mutations
#5
Stefano Frega, Martina Lorenzi, Matteo Fassan, Stefano Indraccolo, Fiorella Calabrese, Adolfo Favaretto, Laura Bonanno, Valentina Polo, Giulia Zago, Francesca Lunardi, Ilaria Attili, Alberto Pavan, Massimo Rugge, Valentina Guarneri, PierFranco Conte, Giulia Pasello
INTRODUCTION: Tyrosine-kinase inhibitors (TKIs) represent the best treatment for advanced non-small cell lung cancer (NSCLC) with common exon 19 deletion or exon 21 epidermal growth factor receptor mutation (EGFRm). This is an observational study investigating epidemiology, clinical features and treatment outcome of NSCLC cases harbouring rare/complex EGFRm. RESULTS: Among 764 non-squamous NSCLC cases with known EGFRm status, 26(3.4%) harboured rare/complex EGFRm...
March 6, 2017: Oncotarget
https://www.readbyqxmd.com/read/28427237/oxidative-dna-double-strand-breaks-and-autophagy-in-the-antitumor-effect-of-sterically-hindered-platinum-ii-complexes-in-nsclcs
#6
Feihong Chen, Xinyi Wang, Xiufeng Jin, Jian Zhao, Shaohua Gou
A series of novel platinum(II) complexes with (1R,2R)-N1,N2-diisobutyl-1,2-diaminocyclohexane as a carrier ligand, while N1,N2-diisobutyl moiety serving as steric hindrance were designed, synthesized and characterized. The in vitro biological assays demonstrated that complex 3 had increased cytotoxicity against lung cancer cells, especially non-small-cell lung cancer (NSCLC) compared to its mono-substituted complex 3a, indicating that the sterically hindered alkyl moieties have significant influences on its antitumor property...
March 6, 2017: Oncotarget
https://www.readbyqxmd.com/read/28427236/combined-effects-of-glutathione-s-transferase-m1-and-t1-polymorphisms-on-risk-of-lung-cancer-evidence-from-a-meta-analysis
#7
Ying Gao, Fei Gao, Ting-Ting Hu, Gang Li, Yan-Xia Sui
Many studies have reported an association between the glutathione S-transferase M1 null and T1 null polymorphisms and lung cancer risk. However, the combined effects of GSTM1 null and GSTT1 null polymorphisms have not been reported previously. We, therefore, performed a meta-analysis to investigate the combined effects. 40 publications with 44 case-control studies were selected in the meta-analysis, including 13,706 cases and 13,093 controls. Significant association was observed between the combined effects of GSTM1 and GSTT1 polymorphisms and lung cancer risk when all the eligible studies were pooled into the meta-analysis...
March 6, 2017: Oncotarget
https://www.readbyqxmd.com/read/28427235/catan-ionic-hybrid-lipidic-nano-carriers-for-enhanced-bioavailability-and-anti-tumor-efficacy-of-chemodrugs
#8
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/28427232/embryonic-signature-distinguishes-pediatric-and-adult-rhabdoid-tumors-from-other-smarcb1-deficient-cancers
#9
Wilfrid Richer, Julien Masliah-Planchon, Nathalie Clement, Irene Jimenez, Laetitia Maillot, David Gentien, Benoît Albaud, Walid Chemlali, Christine Galant, Frederique Larousserie, Pascaline Boudou-Rouquette, Amaury Leruste, Celine Chauvin, Zhi Yan Han, Jean-Michel Coindre, Pascale Varlet, Paul Freneaux, Dominique Ranchère-Vince, Olivier Delattre, Franck Bourdeaut
Extra-cranial rhabdoid tumors (RT) are highly aggressive malignancies of infancy, characterized by undifferentiated histological features and loss of SMARCB1 expression. The diagnosis is all the more challenging that other poorly differentiated cancers lose SMARCB1 expression, such as epithelioid sarcomas (ES), renal medullary carcinomas (RMC) or undifferentiated chordomas (UC). Moreover, late cases occurring in adults are now increasingly reported, raising the question of differential diagnoses and emphasizing nosological issues...
March 6, 2017: Oncotarget
https://www.readbyqxmd.com/read/28427230/deguelin-inhibits-non-small-cell-lung-cancer-via-down-regulating-hexokinases-ii-mediated-glycolysis
#10
Wei Li, Feng Gao, Xiaoqian Ma, Ruike Wang, Xin Dong, Wei Wang
Hexokinases II (HK2) is a hub in the regulation of cancer cell glycolysis. Here we reported deguelin, a natural compound which has been studied in various tumor types, has a profound anti-tumor effect on human non-small cell lung cancer (NSCLC) via directly down-regulating of glycolysis. In NSCLC cell lines and primary NSCLC tissue, we found HK2 is overexpressed. Deguelin treatment markedly inhibited anchorage-dependent and independent growth of NSCLC cell lines. We revealed that deguelin exposure impaired glucose metabolism by inhibiting Akt-mediated Hexokinase II expression, overexpression of constitutively activated Akt1 substantially rescued deguelin-induced glycolysis suppression...
March 6, 2017: Oncotarget
https://www.readbyqxmd.com/read/28427229/nadph-accumulation-is-responsible-for-apoptosis-in-breast-cancer-cells-induced-by-fatty-acid-synthase-inhibition
#11
Yanfen Cui, Pan Xing, Yuanyuan Wang, Miao Liu, Li Qiu, Guoguang Ying, Binghui Li
Fatty acid synthase (FAS), as a key enzyme involved in de novo lipogenesis, is highly expressed in many cancers. FAS inhibition induces cell death in vivo and in vitro, rendering FAS as an attractive target for cancer therapy, but the defined mechanism is still not well understood. Herein, we confirmed that FAS was highly expressed in breast cancers and FAS inhibition by its inhibitors or knockdown induced apoptosis in breast cancer cells. Our results showed that a significantly high level of reactive oxygen species was induced but not responsible for apoptosis in breast cancer cells by FAS inhibition...
March 6, 2017: Oncotarget
https://www.readbyqxmd.com/read/28427228/mir-29a-regulated-er-positive-breast-cancer-cell-growth-and-invasion-and-is-involved-in-the-insulin-signaling-pathway
#12
Zhi-Hua Li, Qiu-Yun Xiong, Liang Xu, Peng Duan, Qianwen Ou Yang, Ping Zhou, Jian-Hong Tu
Increasing amounts of evidence show that insulin can activate different insulin signaling pathways to promote breast cancer growth and invasion. miR-29a plays crucial roles in decreasing glucose-stimulated insulin secretion, as well as in regulating breast cancer cell proliferation and EMT. However, the mechanism responsible for the regulatory effects of miR-29a on breast cancer growth and invasion and the relationship between these effects and insulin signaling remains unclear. Herein, we showed that human insulin increased miR-29a expression in ER-positive breast cancer cells and that miR-29a facilitated the ability of insulin to promote breast cancer cell proliferation and migration...
March 6, 2017: Oncotarget
https://www.readbyqxmd.com/read/28427227/high-dose-ascorbate-and-arsenic-trioxide-selectively-kill-acute-myeloid-leukemia-and-acute-promyelocytic-leukemia-blasts-in-vitro
#13
Nélida I Noguera, Elvira Pelosi, Daniela F Angelini, Maria Liliana Piredda, Gisella Guerrera, Eleonora Piras, Luca Battistini, Lauretta Massai, Anna Berardi, Gianfranco Catalano, Laura Cicconi, Germana Castelli, Agnese D'Angiò, Luca Pasquini, Grazia Graziani, Giuseppe Fioritoni, Maria Teresa Voso, Domenico Mastrangelo, Ugo Testa, Francesco Lo-Coco
The use of high-dose ascorbate (ASC) for the treatment of human cancer has been attempted several decades ago and has been recently revived by several in vitro and in vivo studies in solid tumors. We tested the cytotoxic effects of ASC, alone or in combination with arsenic trioxide (ATO) in acute myeloid leukemia (AML) and acute promyelocytic leukemia (APL). Leukemic cell lines and primary blasts from AML and APL patients were treated with graded concentrations of ASC, alone or in association with standard concentration (1 μM) of ATO...
March 6, 2017: Oncotarget
https://www.readbyqxmd.com/read/28427226/microrna-152-regulates-immune-response-via-targeting-b7-h1-in-gastric-carcinoma
#14
Yaxin Wang, Di Wang, Gengchen Xie, Yuping Yin, Ende Zhao, Kaixiong Tao, Ruidong Li
MiR-152 has been reported may be involved in carcinogenesis in gastric cancer. However, its role has not been comprehensively investigated in gastric cancer. We found miR-152 in human gastric cancer tissues were significantly lower than that in matched adjacent normal tissues. Meanwhile, lower miR-152 was also found in gastric cancer cell lines. The stage, tumor size and lymph node metastasis rate were significant higher in low-miR-152 group in clinical patients. Furthermore, there was a marked correlation between the levels of miR-152 and B7-H1 mRNA in gastric cancer tissues...
March 6, 2017: Oncotarget
https://www.readbyqxmd.com/read/28427225/enhancing-synthetic-lethality-of-parp-inhibitor-and-cisplatin-in-brca-proficient-tumour-cells-with-hyperthermia
#15
Arlene L Oei, Caspar M van Leeuwen, Vidhula R Ahire, Hans M Rodermond, Rosemarie Ten Cate, Anneke M Westermann, Lukas J A Stalpers, Johannes Crezee, H Petra Kok, Przemek M Krawczyk, Roland Kanaar, Nicolaas A P Franken
BACKGROUND: Poly-(ADP-ribose)-polymerase1 (PARP1) is involved in repair of DNA single strand breaks. PARP1-inhibitors (PARP1-i) cause an accumulation of DNA double strand breaks, which are generally repaired by homologous recombination (HR). Therefore, cancer cells harboring HR deficiencies are exceptionally sensitive to PARP1-i. For patients with HR-proficient tumors, HR can be temporarily inhibited by hyperthermia, thereby inducing synthetic lethal conditions in every tumor type. Since cisplatin is successfully used combined with hyperthermia (thermochemotherapy), we investigated the effectiveness of combining PARP1-i with thermochemotherapy...
March 6, 2017: Oncotarget
https://www.readbyqxmd.com/read/28427223/isoform-expression-patterns-of-epha10-protein-mediate-breast-cancer-progression-by-regulating-the-e-cadherin-and-%C3%AE-catenin-complex
#16
Ye Li, Lu Jin, Fei Ye, Quanfu Ma, Zongyuan Yang, Dan Liu, Jie Yang, Ding Ma, Qinglei Gao
Overexpression of EPHA10 protein was reported in concomitance with clinical severity of breast cancer. In this study, we annotate overexpression of EPHA10 protein with changes of isoform expression as EphA10s (EPHA10 isoform 2) and EphA10 (EPHA10 isoform 3). In the process of malignant transformation, secretory protein EphA10s is in low expression, and pseudo-kinase EphA10 is overexpressed and cytoplasmically enriched. Down-regulated EphA10s blunts stabilization of membrane-associate β-catenin via the interaction with ephrin A5...
March 6, 2017: Oncotarget
https://www.readbyqxmd.com/read/28427222/prognostic-role-of-matrix-metalloproteinases-in-bladder-carcinoma-a-systematic-review-and-meta-analysis
#17
REVIEW
Chenkui Miao, Chao Liang, Jundong Zhu, Aiming Xu, Kai Zhao, Yibo Hua, Jianzhong Zhang, Wei Chen, Chuanjian Suo, Chao Zhang, Yiyang Liu, Shifeng Su, Zengjun Wang
Recent studies have shown that matrix metalloproteinases (MMPs) might be a biomarker for predicting outcomes of bladder cancer. However, the prognostic value of overexpression of MMPs in bladder cancer is debatable and the studies are inconsistent. Therefore, this meta-analysis was performed to clarify the specific association and prognostic value of overexpression of MMPs in bladder carcinoma. Relevant studies were identified by searching PubMed, EMBASE, and the Web of Science. Pooled hazard ratios (HRs) with 95% confidence intervals (CIs) for disease-specific survival (DSS), overall survival (OS), disease/recurrence-free survival (DFS/RFS), and progression/metastasis-free survival (PFS/MFS) were analyzed to determine the prognostic value of MMPs...
March 4, 2017: Oncotarget
https://www.readbyqxmd.com/read/28427221/ct-guided-125i-brachytherapy-for-recurrent-ovarian-cancer
#18
Ping Liu, Lina Tong, Bin Huo, Dong Dai, Wenxin Liu, Ke Wang, Ying Wang, Zhi Guo, Hong Ni
This retrospective study was to evaluate the local control and survival of 125I brachytherapy for recurrent ovarian cancer. 52 125I brachytherapy procedures were performed in 47 patients with 51 recurrent ovarian cancer lesions. The follow-up period was 1-55 months (median 12 months). The local control rate (LC) of 3, 6, 12, 24 and 36 months was 93.3%, 77.7%, 58.9%, 38.7% and 19.3%, respectively. Patients with tumor size ≤ 4cm (85.7% vs 40.0%, P = 0.037) and actual D90 between 110 to 130Gy (47.4% vs 66.7% vs 62...
March 4, 2017: Oncotarget
https://www.readbyqxmd.com/read/28427217/mean-platelet-volume-platelet-distribution-width-and-carcinoembryonic-antigen-to-discriminate-gastric-cancer-from-gastric-ulcer
#19
Zhi-Yuan Yun, Na Li, Xin Zhang, Huan Zhang, Yue Bu, Yuxiang Sun, Tiemin Liu, Rui-Tao Wang, Kai-Jiang Yu
Activated platelets are involved in cancer development and progression. Mean platelet volume (MPV) and platelet distribution width (PDW) are early indexes of platelet activation. The objectives of this study were to investigate the ability of MPV, PDW and carcinoembryonic antigen (CEA) individually or in combination, to distinguish between gastric cancer and gastric ulcer. The study involved 194 patients with gastric cancer, 191 patients with gastric ulcer, and 185 control subjects. Subjects' characteristics and hematologic tests data at initial diagnosis were collected...
March 4, 2017: Oncotarget
https://www.readbyqxmd.com/read/28427215/top2a-ggh-and-pecam1-are-associated-with-hematogenous-lymph-node-and-peritoneal-recurrence-in-stage-ii-iii-gastric-cancer-patients-enrolled-in-the-acts-gc-study
#20
Masanori Terashima, Wataru Ichikawa, Atsushi Ochiai, Koji Kitada, Issei Kurahashi, Shinichi Sakuramoto, Hitoshi Katai, Takeshi Sano, Hiroshi Imamura, Mitsuru Sasako
BACKGROUND: To identify factors related to relapse sites, we carried out an exploratory biomarker analysis of data from the Adjuvant Chemotherapy Trial of TS-1 for Gastric Cancer study, which is a randomized, controlled trial comparing postoperative adjuvant S-1 therapy with surgery alone in 1,059 patients with stage II/III gastric cancer. PATIENTS AND METHODS: Surgical specimens from 829 patients were retrospectively examined, and 63 genes involved in a variety of biological processes were analyzed by quantitative real-time PCR...
March 4, 2017: Oncotarget
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