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https://www.readbyqxmd.com/read/28103585/long-non-coding-rnas-in-osteosarcoma
#1
REVIEW
Ruiling Chen, Gangyang Wang, Ying Zheng, Yingqi Hua, Zhengdong Cai
Long non-coding RNAs (lncRNAs) with more than 200 nuleotides, have been explored to participate in various cancer types including osteosarcoma (OS), which is the most common kind of primary bone tumors with high morbidity in infants and adolescents. These oncogenic or tumor suppressive lncRNAs regulate OS pathogenesis, such as cell growth, proliferation, invasion, migration, metastasis and cell apoptosis, serve as independent prognostic biomarkers or play a significant role in multidrug resistance (MDR) in OS cells...
January 18, 2017: Oncotarget
https://www.readbyqxmd.com/read/28103571/identification-of-aurintricarboxylic-acid-as-a-selective-inhibitor-of-the-tweak-fn14-signaling-pathway-in-glioblastoma-cells
#2
Alison Roos, Harshil D Dhruv, Ian T Mathews, Landon J Inge, Serdar Tuncali, Lauren K Hartman, Donald Chow, Nghia Millard, Holly H Yin, Jean Kloss, Joseph C Loftus, Jeffrey A Winkles, Michael E Berens, Nhan L Tran
The survival of patients diagnosed with glioblastoma (GBM), the most deadly form of brain cancer, is compromised by the proclivity for local invasion into the surrounding normal brain, which prevents complete surgical resection and contributes to therapeutic resistance. Tumor necrosis factor-like weak inducer of apoptosis (TWEAK), a member of the tumor necrosis factor (TNF) superfamily, can stimulate glioma cell invasion and survival via binding to fibroblast growth factor-inducible 14 (Fn14) and subsequent activation of the transcription factor NF-κB...
January 17, 2017: Oncotarget
https://www.readbyqxmd.com/read/28103517/a-noninvasive-cancer-detection-strategy-based-on-gold-nanoparticle-surface-enhanced-raman-spectroscopy-of-urinary-modified-nucleosides-isolated-by-affinity-chromatography
#3
Shangyuan Feng, Zuci Zheng, Yuanji Xu, Jinyong Lin, Guannan Chen, Cuncheng Weng, Duo Lin, Sufang Qiu, Min Cheng, Zufang Huang, Lan Wang, Rong Chen, Shusen Xie, Haishan Zeng
The search for tumor biomarkers in the urine for cancer diagnosis is currently a hot topic in clinical oncology, with potential for cancer screening and diagnosis. Modified nucleosides excreted through the urine are considered to be a general tumor marker for various cancer types. Herein, we explore a new method that utilizes surface-enhanced Raman scattering (SERS) spectroscopy to obtain a complete biochemical profile of urinary modified nucleosides. In our method, modified nucleosides are first isolated from urine sample utilizing the excellent separation ability of affinity chromatography; then supplemented with gold (Au) nanoparticles as substrate for SERS spectroscopy analysis...
January 5, 2017: Biosensors & Bioelectronics
https://www.readbyqxmd.com/read/28103458/-uterine-carcinosarcoma-clinicopathological-features-and-prognostic-factors
#4
Rita Luz, Joana Ferreira, Mara Rocha, Ana Francisca Jorge, Ana Félix
INTRODUCTION: Uterine carcinosarcoma is a rare and aggressive biphasic malignancy and is currently included in the high risk endometrial carcinoma group. The aims of this study were to determine the clinicopathological profile, treatment, recurrence/progression patterns, survival and prognostic factors. MATERIAL AND METHODS: Retrospective study of 42 patients, surgically staged and followed-up at a cancer centre, between 2005 and 2013. Clinical data was retrieved from records and pathological characteristics were reviewed for this study...
October 2016: Acta Médica Portuguesa
https://www.readbyqxmd.com/read/28102840/cancer-associated-fibroblasts-enact-field-cancerization-by-promoting-extratumoral-oxidative-stress
#5
Jeremy Soon Kiat Chan, Ming Jie Tan, Ming Keat Sng, Ziqiang Teo, Terri Phua, Chee Chong Choo, Liang Li, Pengcheng Zhu, Nguan Soon Tan
Histological inspection of visually normal tissue adjacent to neoplastic lesions often reveals multiple foci of cellular abnormalities. This suggests the presence of a regional carcinogenic signal that spreads oncogenic transformation and field cancerization. We observed an abundance of mutagenic reactive oxygen species in the stroma of cryosectioned patient tumor biopsies, indicative of extratumoral oxidative stress. Diffusible hydrogen peroxide (H2O2) was elevated in the conditioned medium of cultured skin epithelia at various stages of oncogenic transformation, and H2O2 production increased with greater tumor-forming and metastatic capacity of the studied cell lines...
January 19, 2017: Cell Death & Disease
https://www.readbyqxmd.com/read/28102526/hormonal-and-reproductive-factors-and-the-risk-of-ovarian-cancer
#6
Anita Koushik, Anne Grundy, Michal Abrahamowicz, Jocelyne Arseneau, Lucy Gilbert, Walter H Gotlieb, Julie Lacaille, Anne-Marie Mes-Masson, Marie-Élise Parent, Diane M Provencher, Lesley Richardson, Jack Siemiatycki
PURPOSE: Hormone-related factors have been associated with ovarian cancer, the strongest being parity and oral contraceptive use. Given reductions in birth rates and increases in oral contraceptive use over time, associations in more recent birth cohorts may differ. Furthermore, consideration of ovarian cancer heterogeneity (i.e., Type I/II invasive cancers) may contribute to a better understanding of etiology. We examined hormone-related factors in relation to ovarian cancer risk overall, for Type I and Type II cancers, as well as borderline tumors...
January 19, 2017: Cancer Causes & Control: CCC
https://www.readbyqxmd.com/read/28102366/aurora-kinase-a-is-a-biomarker-for-bladder-cancer-detection-and-contributes-to-its-aggressive-behavior
#7
Aaron Mobley, Shizhen Zhang, Jolanta Bondaruk, Yan Wang, Tadeusz Majewski, Nancy P Caraway, Li Huang, Einav Shoshan, Guermarie Velazquez-Torres, Giovanni Nitti, Sangkyou Lee, June Goo Lee, Enrique Fuentes-Mattei, Daniel Willis, Li Zhang, Charles C Guo, Hui Yao, Keith Baggerly, Yair Lotan, Seth P Lerner, Colin Dinney, David McConkey, Menashe Bar-Eli, Bogdan Czerniak
The effects of AURKA overexpression associated with poor clinical outcomes have been attributed to increased cell cycle progression and the development of genomic instability with aneuploidy. We used RNA interference to examine the effects of AURKA overexpression in human bladder cancer cells. Knockdown had minimal effects on cell proliferation but blocked tumor cell invasion. Whole genome mRNA expression profiling identified nicotinamide N-methyltransferase (NNMT) as a downstream target that was repressed by AURKA...
January 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28101932/amino-acid-profiling-of-zinc-resistant-prostate-cancer-cell-lines-associations-with-cancer-progression
#8
Monika Kratochvilova, Martina Raudenska, Zbynek Heger, Lukas Richtera, Natalia Cernei, Vojtech Adam, Petr Babula, Marie Novakova, Michal Masarik, Jaromir Gumulec
BACKGROUND: Failure in intracellular zinc accumulation is a key process in prostate carcinogenesis. Nevertheless, epidemiological studies of zinc administration have provided contradicting results. In order to examine the impact of the artificial intracellular increase of zinc(II) ions on prostate cancer metabolism, PNT1A, 22Rv1, and PC-3 prostatic cell lines-depicting different stages of cancer progression-and their zinc-resistant counterparts were used. To determine "benign" and "malignant" metabolic profiles, amino acid patterns, gene expression, and antioxidant capacity of these cell lines were assessed...
January 19, 2017: Prostate
https://www.readbyqxmd.com/read/28101917/imaging-in-gynecological-disease-clinical-and-ultrasound-features-of-invasive-and-non-invasive-malignant-serous-ovarian-tumors
#9
F Moro, C Baima Poma, G F Zannoni, A Vidal Urbinati, T Pasciuto, M Ludovisi, M C Moruzzi, S Carinelli, D Franchi, G Scambia, A C Testa
OBJECTIVES: To describe clinical and ultrasound features of different subclasses of malignant serous ovarian tumors according to the WHO 2014 classification. METHODS: Patients with a histological diagnosis of borderline (BOT), non-invasive and invasive low grade serous carcinomas (LGSC) and high grade serous carcinoma (HGSC), who had undergone preoperative ultrasound examination, were retrospectively identified from two ultrasound centers. The masses were described using the terms of the International Ovarian Tumor Analysis group...
January 19, 2017: Ultrasound in Obstetrics & Gynecology
https://www.readbyqxmd.com/read/28101802/cold-pcr-technologies-in-the-area-of-personalized-medicine-methodology-and-applications
#10
REVIEW
Florence Mauger, Alexandre How-Kit, Jörg Tost
Somatic mutations bear great promise for use as biomarkers for personalized medicine, but are often present only in low abundance in biological material and are therefore difficult to detect. Many assays for mutation analysis in cancer-related genes (hotspots) have been developed to improve diagnosis, prognosis, prediction of drug resistance, and monitoring of the response to treatment. Two major approaches have been developed: mutation-specific amplification methods and methods that enrich and detect mutations without prior knowledge on the exact location and identity of the mutation...
January 18, 2017: Molecular Diagnosis & Therapy
https://www.readbyqxmd.com/read/28101801/identification-of-changes-in-the-human-papilloma-virus-16-hpv16-genome-during-early-dissemination-of-cervical-cancer-cells-may-complement-histological-diagnosis-of-lymph-node-metastasis
#11
Anirban Roychowdhury, Sudip Samadder, Md Saimul Islam, Kalyansree Chaudhury, Anup Roy, Dipanwita Banerjee, Ranajit Mandal, Partha S Basu, Susanta Roychoudhury, Chinmay Kumar Panda
Cancer of the uterine cervix (CACX) is one of the most common carcinoma affecting women worldwide. During treatment, histologically lymph node (LN) metastasis and presence of HPV DNA in blood plasma act as a major prognostic factor. Despite the lack of apparent LN involvement, some early-invasive CACX patients have shown recurrences and poor survival. This is suggestive of undetected early dissemination of cancer cells characterized by presence of HPV DNA in histologically non-metastatic LNs which finally progresses into histologically visible metastasis...
January 19, 2017: Pathology Oncology Research: POR
https://www.readbyqxmd.com/read/28101578/a-22q11-2-amplification-in-the-region-encoding-microrna-650-correlates-with-the-epithelial-to-mesenchymal-transition-in-breast-cancer-primary-cultures-of-mexican-patients
#12
M Lango-Chavarría, G K Chimal-Ramírez, M E Ruiz-Tachiquín, N A Espinoza-Sánchez, M C Suárez-Arriaga, E M Fuentes-Pananá
Breast cancer ranks first in incidence and mortality in working age women. Cancer initiation and progression relies on accumulation of genetic and epigenetic aberrations that alter cellular processes, among them, epithelial to mesenchymal transition (EMT) denotes particularly aggressive neoplasias given its capacity to invade and metastasize. Several microRNAs (miRNA) have been found able to regulate gene expression at the core of EMT. In this study, the Affymetrix CytoScan HD array was used to analyze three different primary tumor cell isolates from Mexican breast cancer patients...
February 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/28101577/viscumins-functionally-modulate-cell-motility-associated-gene-expression
#13
Sonja Schötterl, Miriam Hübner, Angela Armento, Vivien Veninga, Naita Maren Wirsik, Simon Bernatz, Hans Lentzen, Michel Mittelbronn, Ulrike Naumann
In Europe extracts from Viscum album L., the European white-berry mistletoe, are widely used as a complementary cancer therapy. Viscumins (mistletoe lectins, ML) have been scrutinized as important active components of mistletoe and exhibit a variety of anticancer effects such as stimulation of the immune system, induction of cytotoxicity, reduction of tumor cell motility as well as changes in the expression of genes associated with cancer development and progression. By microarray expression analysis, quantitative RT-PCR and RT-PCR based validation of microarray data we demonstrate for the Viscum album extract Iscador Qu and for the lectins Aviscumine and ML-1 that in glioma cells these drugs differentially modulate the expression of genes involved in the regulation of cell migration and invasion, including processes modulating cell architecture and cell adhesion...
February 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/28101575/identification-of-potential-targets-for-differentiation-in-human-leukemia-cells-induced-by-diallyl-disulfide
#14
Hui Ling, Jie He, Hui Tan, Lan Yi, Fang Liu, Xiaoxia Ji, Youhua Wu, Haobin Hu, Xi Zeng, Xiaohong Ai, Hao Jiang, Qi Su
Diallyl disulfide (DADS) is a primary component of garlic, which has chemopreventive potential. We previously found that moderate doses (15-120 µM) of DADS induced apoptosis and G2/M phase cell cycle arrest. In this study, we observed the effect of low doses (8 µM) of DADS on human leukemia HL-60 cells. We found that DADS could inhibit proliferation, migration and invasion in HL-60 cells, and arrested cells at G0/G1 stage. Then, cell differentiation was displayed by morphologic observation, NBT reduction activity and CD11b evaluation of cytometric flow...
February 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/28101574/nek2-serves-as-a-prognostic-biomarker-for-hepatocellular-carcinoma
#15
Gang Li, Yanping Zhong, Qingrong Shen, Yi Zhou, Xiaofang Deng, Cuiping Li, Jiagui Chen, Ying Zhou, Min He
Never in mitosis gene A (NIMA)-related kinase 2 (NEK2) is a microtubule-associated protein that regulates spindle assembly in human cells and is overexpressed in various malignancies. However, the role of NEK2 in hepatocellular carcinoma (HCC) remains undetermined. We performed RNA-seq of the HCC cell line SMMC-7721 and the normal liver cell line HL-7702 using the Ion Proton System. NEK2 expression was detected using quantitative reverse transcription polymerase chain reaction in two cell lines and 5 matched HCC and adjacent non-tumorous liver tissues...
February 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/28101568/puerarin-inhibits-m2-polarization-and-metastasis-of-tumor-associated-macrophages-from-nsclc-xenograft-model-via-inactivating-mek-erk-1-2-pathway
#16
Honggang Kang, Jing Zhang, Baozhong Wang, Meirong Liu, Jun Zhao, Mengxiang Yang, Yingxue Li
Non-small cell lung carcinoma (NSCLC) metastasis is responsible for most of cancer-related mortality. The tumor associated macrophages (TAMs) are known to be crucial cells in lung cancer and are usually divided into two antagonistic types, M1 and M2. Puerarin has a wide spectrum of pharmacological properties. The present study explores puerarin on macrophage polarization and metastasis of NSCLC. The results demonstrated that puerarin inhibited tumor growth and tumor volumes in NSCLC xenograft model, increased M1 markers [CD197+, inducible nitric oxide synthase (iNOS)+, CD40+)] and reduced M2 markers (CD206+, Arg-1+ and CD163+)...
February 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/28101354/histological-complete-response-in-a-patient-with-advanced-biliary-tract-cancer-treated-by-gemcitabine-cisplatin-s-1-combination-chemotherapy-a-case-report
#17
Tokuhiro Matsubara, Tsutomu Nishida, Yoshito Tomimaru, Masashi Yamamoto, Shiro Hayashi, Sachiko Nakajima, Koji Fukui, Keizo Dono, Shiro Adachi, Tatsuya Ioka, Masashi Kanai, Masami Inada
A 68-year-old woman was referred to our hospital with increased levels of biliary enzymes. On imaging, the patient was diagnosed with unresectable intrahepatic biliary tract cancer (BTC) with invasion of the portal vein and para-aortic lymph node metastasis (cT3N1M1, cStage IVb) and underwent endoscopic biliary drainage for the biliary stricture prior to therapy. The patient was subsequently enrolled in a phase III randomized trial (UMIN000014371/NCT02182778) and randomly assigned to receive gemcitabine/cisplatin/S-1 (GCS) combination therapy intravenously at doses of 1,000 or 25 mg/m(2) on day 1 and orally twice daily at a dose of 80 mg/m(2) on days 1-7 every 2 weeks...
December 2016: Molecular and Clinical Oncology
https://www.readbyqxmd.com/read/28101348/evans-blue-mediated-white-light-detection-of-non-muscle-invasive-bladder-cancer-a-preclinical-feasibility-and-safety-study-using-a-rat-bladder-urothelial-cell-carcinoma-model
#18
Sanne Elsen, Evelyne Lerut, Frank Van Der Aa, Ben Van Cleynenbreugel, Hendrik Van Poppel, Peter De Witte
Photodynamic diagnosis (PDD) improves the detection of non-muscle-invasive bladder cancer (NMIBC). However, white-light (WL) cystoscopy remains the technique routinely used in urological clinics. A more cost-effective but equally performant alternative to PDD may encompass the use of an intense tumoritropic dye in combination with WL cystoscopy. Using a preclinical setting, we investigated the practical aspects of the use of Evans blue (EB) dye for the possible future detection of NMIBC using WL cystoscopy...
December 2016: Molecular and Clinical Oncology
https://www.readbyqxmd.com/read/28101248/expression-of-cancerous-inhibitor-of-protein-phosphatase-2a-in-human-triple-negative-breast-cancer-correlates-with-tumor-survival-invasion-and-autophagy
#19
Shan Li, Ting-Ting Feng, Yang Guo, Xianjun Yu, Qiuyue Huang, Liang Zhang, Wei Tang, Ying Liu
Cancerous inhibitor of protein phosphatase 2A (CIP2A) is a recently characterized oncoprotein which is involved in the progression of several human malignancies. The present study aimed to investigate its biological function in human triple negative breast cancer (TNBC). The expression of CIP2A in TNBC cells was examined and it was observed that CIP2A was elevated in the TNBC cell line compared with poorly invasive breast cancer cells. CIP2A depletion in TNBC cell lines inhibited proliferation, and induced apoptosis and autophagy...
December 2016: Oncology Letters
https://www.readbyqxmd.com/read/28101234/dysregulation-of-malat1-and-mir-619-5p-as-a-prognostic-indicator-in-advanced-colorectal-carcinoma
#20
Gu Qiu, Xiu-Bing Zhang, Shu-Qing Zhang, Pei-Long Liu, Wei Wu, Jin-Ye Zhang, Shi-Rong Dai
The present study aimed to detect the expression of metastasis associated lung adenocarcinoma transcript 1 (MALAT1) and microRNA (miR)-619-5p in colorectal carcinoma (CRC), and to evaluate the significance of MALAT1 and miR-619-5p expression in the clinical diagnosis and prognosis of CRC. Quantitative polymerase chain reaction was used to detect MALAT1 and miR-619-5p expression in 120 colorectal carcinoma and 120 adjacent normal tissue samples. The expression levels of MALAT1 and miR-619-5p were significantly different between colorectal carcinoma and adjacent normal tissues (P<0...
December 2016: Oncology Letters
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