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https://www.readbyqxmd.com/read/28446015/realistic-electric-field-mapping-of-anisotropic-muscle-during-electrical-stimulation-using-a-combination-of-water-diffusion-tensor-and-electrical-conductivity
#1
Bup Kyung Choi, Tong In Oh, Saurav Zk Sajib, Jin Woong Kim, Hyung Joong Kim, Oh In Kwon, Eung Je Woo
PURPOSE: To realistically map the electric fields of biological tissues using a diffusion tensor magnetic resonance electrical impedance tomography (DT-MREIT) method to estimate tissue response during electrical stimulation. METHODS: Imaging experiments were performed using chunks of bovine muscle. Two silver wire electrodes were positioned inside the muscle tissue for electrical stimulation. Electric pulses were applied with a 100-V amplitude and 100-μs width using a voltage stimulator...
April 2017: International Neurourology Journal
https://www.readbyqxmd.com/read/28446014/noninvasive-medical-tools-for-evaluating-voiding-pattern-in-real-life
#2
REVIEW
Kwonsoo Chun, Su Jin Kim, Sung Tae Cho
Voiding dysfunction is a common disease that contributes to a lower quality of life and has an increased prevalence in the elderly population. Noninvasive and objective methods such as uroflowmetry (UFM) and voiding diaries (VDs) are essential for exact diagnosis and effective treatment of this condition because patients with different causes of voiding dysfunction can complain of the same lower urinary tract symptoms. Further, different treatment options can be determined based on the diagnosis made from these symptoms...
April 2017: International Neurourology Journal
https://www.readbyqxmd.com/read/28446013/the-in-vivo-effect-of-ytterbium-doped-fiber-laser-on-rat-buccal-mucosa-as-a-simulation-of-its-effect-on-the-urinary-tract-a-preclinical-histopathological-evaluation
#3
Songzhe Piao, Yue Wang, Young Ju Lee, Seungsoo Hong, Yoonchan Jeong, Seung-June Oh
PURPOSE: The aim of this study was to perform a histological analysis of the effect of a ytterbium-doped fiber (YDF) laser on oral buccal mucosa tissue in vivo to simulate its effect on the mucosa of the lower urinary tract. METHODS: A total of 90 8-week-old Sprague-Dawley rats were anesthetized with urethrane (1.2 g/kg intraperitoneally). A prespecified inner buccal mucosal site was irradiated with a YDF master-oscillator power amplifier (MOPA) system for 60 seconds, with output power settings of 0...
April 2017: International Neurourology Journal
https://www.readbyqxmd.com/read/28446006/trending-speculations-of-tumor-initiating-cells-in-squamous-cell-cancers-of-head-and-neck
#4
REVIEW
Wasim Kamate, Rajendra Baad, Nupura Vibhute, Uzma Belgaumi, Vidya Kadashetti, Sushma Gugwad
Tumor-initiating cells are a diminutive subpopulation of stem cells that have ability of long term self-renewal and generation of varied traits of tumor cell population. Understanding the concept of tumor-initiating cells may have a great implicative intimation for our comprehension of cancer pathobiology and for the delineation of new therapies directed towards these stem cells. The present review is an endeavor to conceptualize the role of tumor-initiating cells in the Squamous Cell Cancers (SCC) of head and neck, their role in tumorigenesis and the possible supplementary approach in the latest treatment modalities...
April 30, 2017: International Journal of Stem Cells
https://www.readbyqxmd.com/read/28445991/human-epidermal-growth-factor-receptor-2-expression-is-more-important-than-bacillus-calmette-guerin-treatment-in-predicting-the-outcome-of-t1g3-bladder-cancer
#5
Luigi Cormio, Francesca Sanguedolce, Antonella Cormio, Paolo Massenio, Maria Carmela Pedicillo, Simona Cagiano, Giuseppe Calò, Vincenzo Pagliarulo, Giuseppe Carrieri, Pantaleo Bufo
In the present study we tested the role of Human Epidermal Growth Factor Receptor-2 (HER-2) expression, as assayed by immunohistochemistry, in predicting recurrence and progression in 67 patients with T1G3 BC having undergone transurethral resection of bladder tumor (TURBT) alone (33) or TURBT + Bacillus Calmette Guerin (BCG) instillations (34). All patients had a negative restaging TURBT within 4 months after the first TURBT. At median follow-up of 75.7 months, the overall disease-free and progression-free rates were 35...
April 11, 2017: Oncotarget
https://www.readbyqxmd.com/read/28445990/prognostic-value-of-tumor-mutations-in-radically-treated-locally-advanced-non-small-cell-lung-cancer-patients
#6
Angela Boros, Ludovic Lacroix, Benjamin Lacas, Julien Adam, Jean-Pierre Pignon, Caroline Caramella, David Planchard, Vincent de Montpreville, Eric Deutsch, Antonin Levy, Benjamin Besse, Cécile Le Pechoux
INTRODUCTION: Chemo-radiation is standard treatment in locally advanced non-small cell lung cancers (NSCLC). The prognostic value of mutations has been poorly explored in this population. RESULTS: Clinical data were collected from 190 patients and mutational profiles were obtained in 78 of them; 58 (74%) were males, 31 (40%) current smokers, 47/31 stage IIIA/IIIB and 40 (51%) adenocarcinoma. The following mutations were identified: EGFR 12% (9/78), KRAS 15% (12/78), BRAF 5% (3/65), PI3KCA 2% (1/57), NRAS 3% (1/32), and ALK+ (FISH) 4% (2/51)...
April 11, 2017: Oncotarget
https://www.readbyqxmd.com/read/28445988/specific-up-regulation-of-p21-by-a-small-active-rna-sequence-suppresses-human-colorectal-cancer-growth
#7
Lu-Lu Wang, Hui-Hui Guo, Yun Zhan, Chen-Lin Feng, Shuai Huang, Yan-Xing Han, Wen-Sheng Zheng, Jian-Dong Jiang
The double stranded small active RNA (saRNA)- p21-saRNA-322 inhibits tumor growth by stimulating the p21 gene expression. We focused our research of p21-saRNA-322 on colorectal cancer because 1) p21 down-regulation is a signature abnormality of the cancer, and 2) colorectal cancer might be a suitable target for in situ p21-saRNA-322 delivery. The goal of the present study is to learn the activity of p21-saRNA-322 in colorectal cancer. Three human colorectal cancer cell lines, HCT-116, HCT-116 (p53-/-) and HT-29 were transfected with the p21-saRNA-322...
April 11, 2017: Oncotarget
https://www.readbyqxmd.com/read/28445987/context-dependent-mir-204-and-mir-211-affect-the-biological-properties-of-amelanotic-and-melanotic-melanoma-cells
#8
Marianna Vitiello, Andrea Tuccoli, Romina D'Aurizio, Samanta Sarti, Laura Giannecchini, Simone Lubrano, Andrea Marranci, Monica Evangelista, Silvia Peppicelli, Chiara Ippolito, Ivana Barravecchia, Elena Guzzolino, Valentina Montagnani, Michael Gowen, Elisa Mercoledi, Alberto Mercatanti, Laura Comelli, Salvatore Gurrieri, Lawrence W Wu, Omotayo Ope, Keith Flaherty, Genevieve M Boland, Marc R Hammond, Lawrence Kwong, Mario Chiariello, Barbara Stecca, Gao Zhang, Alessandra Salvetti, Debora Angeloni, Letizia Pitto, Lido Calorini, Giovanna Chiorino, Marco Pellegrini, Meenhard Herlyn, Iman Osman, Laura Poliseno
Despite increasing amounts of experimental evidence depicting the involvement of non-coding RNAs in cancer, the study of BRAFV600E-regulated genes has thus far focused mainly on protein-coding ones. Here, we identify and study the microRNAs that BRAFV600E regulates through the ERK pathway.By performing small RNA sequencing on A375 melanoma cells and a vemurafenib-resistant clone that was taken as negative control, we discover miR-204 and miR-211 as the miRNAs most induced by vemurafenib. We also demonstrate that, although belonging to the same family, these two miRNAs have distinctive features...
April 11, 2017: Oncotarget
https://www.readbyqxmd.com/read/28445986/high-bmi1-mrna-expression-in-peripheral-whole-blood-is-associated-with-favorable-prognosis-in-advanced-non-small-cell-lung-cancer-patients
#9
Ana Koren, Matija Rijavec, Eva Sodja, Izidor Kern, Aleksander Sadikov, Viljem Kovac, Peter Korosec, Tanja Cufer
Polycomb group member protein BMI1 is involved in maintaining cell identity, proliferation, differentiation and human oncogenesis. In the present study, we determined BMI1 mRNA expression in whole blood and evaluated the impact of the expression level on the treatment response and survival of 96 advanced NSCLC patients treated with first-line platinum-based chemotherapy. We also determined BMI1 mRNA expression in primary tumors from 22 operable NSCLC patients treated with radical surgery. We found that compared with control subjects, BMI1 mRNA expression in whole blood of advanced NSCLC patients was decreased (P<0...
April 11, 2017: Oncotarget
https://www.readbyqxmd.com/read/28445981/mir-148a-increases-glioma-cell-migration-and-invasion-by-downregulating-gadd45a-in-human-gliomas-with-idh1-r132h-mutations
#10
Daming Cui, Pandey Sajan, Jinlong Shi, Yiwen Shen, Ke Wang, Xianyu Deng, Lin Zhou, Pingping Hu, Liang Gao
High-grade gliomas are severe tumors with poor prognosis. An R132H mutation in the isocitrate dehydrogenase (IDH1) gene prolongs the life of glioma patients. In this study, we investigated which genes are differentially regulated in IDH1 wild type (IDH1WT) or IDH1 R132H mutation (IDH1R132H) glioblastoma cells. Growth arrest and DNA-damage-inducible protein (GADD45A) was downregulated and microRNA 148a (miR-148a) was upregulated in in IDH1R132H human glioblastomas tissues. The relationship between GADD45A and miR-148a is unknown...
April 11, 2017: Oncotarget
https://www.readbyqxmd.com/read/28445979/the-impacts-of-single-nucleotide-polymorphisms-in-genes-of-cell-cycle-and-nf-kb-pathways-on-the-efficacy-and-acute-toxicities-of-radiotherapy-in-patients-with-nasopharyngeal-carcinoma
#11
Chengxian Guo, Yuling Huang, Jingjing Yu, Lijuan Liu, Xiaochang Gong, Min Huang, Chunling Jiang, Yulu Liao, Lihua Huang, Guoping Yang, Jingao Li
Radiotherapy is one of the primary choices for the treatment of nasopharyngeal carcinoma (NPC) and may result in severe radiotoxicities on normal tissues. Single nucleotide polymorphisms (SNPs) in genes of cell cycle and NF-κB pathways have been linked with the prognoses of various cancers. The aim of this study was to explore whether SNPs of genes involved in cell cycle and NF-κB pathways are associated with responses to radiotherapy in NPC patients. We selected 3 SNPs in cell cycle pathway and 5 SNPs in NF-κB pathway and genotyped them in 154 NPC patients treated with radiotherapy...
April 11, 2017: Oncotarget
https://www.readbyqxmd.com/read/28445978/epidemiological-features-of-lung-giant-cell-carcinoma-and-therapy-for-patients-with-egfr-mutations-based-on-case-reports-and-the-surveillance-epidemiology-and-end-results-seer-database
#12
Shan-Shan Weng, Ying Cao, Xiu-Jun Tang, Li-Zhen Zhu, Yi-Nuo Tan, Cai-Xia Dong, Jia-Qi Chen, Hong Shen, Ying Yuan
Epidermal growth factor receptor-tyrosine kinase inhibitors (EGFR-TKIs) are the standard first line treatment for advanced non-small cell lung cancer (NSCLC) with sensitive EGFR mutations. Among NSCLC, giant cell carcinoma of the lung (GCCL) is a rare pathological subtype with poor prognosis, with no confirmed evidence about its epidemiological features or therapeutic efficiency of EGFR-TKIs. We present two advanced GCCLs with sensitive EGFR mutations, also collected the cases of GCCL from our hospital and the Surveillance, Epidemiology, and End Results (SEER) program...
April 11, 2017: Oncotarget
https://www.readbyqxmd.com/read/28445976/oxidative-stress-induced-apoptosis-in-granulosa-cells-involves-jnk-p53-and-puma
#13
Hongyan Yang, Yan Xie, Dongyu Yang, Decheng Ren
Reactive oxygen species (ROS) play important roles in follicular development and survival. Granulosa cell death is associated with increased ROS, but the mechanism of granulosa cell death induced by ROS is not clear. In order to define the molecular link between ROS and granulosa cell death, COV434, human granulosa tumor cells, were treated with H2O2. Compared to control cells, H2O2 induced granulosa cell death in a dose- and time-dependent manner. H2O2 induced an increase in Bax, Bak and Puma, and a decrease in anti-apoptotic molecules such as Bcl-2, Bcl-xL and Mcl-1...
April 11, 2017: Oncotarget
https://www.readbyqxmd.com/read/28445974/lowered-expression-of-microrna-125a-5p-in-human-hepatocellular-carcinoma-and-up-regulation-of-its-oncogenic-targets-sirtuin-7-matrix-metalloproteinase-11-and-c-raf
#14
Nicola Coppola, Giorgio de Stefano, Marta Panella, Lorenzo Onorato, Valentina Iodice, Carmine Minichini, Nicola Mosca, Luisa Desiato, Nunzia Farella, Mario Starace, Giulia Liorre, Nicoletta Potenza, Evangelista Sagnelli, Aniello Russo
Human microRNA-125a-5p (miR-125a) is expressed in most tissues where it downregulates the expression of membrane receptors or intracellular transductors of mitogenic signals, thus limiting cell proliferation. Expression of this miRNA generally increases with cell differentiation whereas it is downregulated in several types of tumors, such as breast, lung, ovarian, gastric, colon, and cervical cancers, neuroblastoma, medulloblastoma, glioblastoma, and retinoblastoma. In this study, we focused on hepatocellular carcinoma and used real-time quantitative PCR to measure miR-125a expression in 55 tumor biopsies and in matched adjacent non-tumor liver tissues...
April 11, 2017: Oncotarget
https://www.readbyqxmd.com/read/28445971/stat3-regulates-glycolysis-via-targeting-hexokinase-2-in-hepatocellular-carcinoma-cells
#15
Man Li, Rui Jin, Weihua Wang, Tieying Zhang, Jiao Sang, Na Li, Qunying Han, Wenxuan Zhao, Chunyan Li, Zhengwen Liu
Signal transducer and activator of transcription 3 (STAT3) and hexokinase 2 (HK2) are involved in hepatocellular carcinoma (HCC). Deregulation of cellular energetics involving an increase in glycolysis is a characteristic of HCC. This study examined whether STAT3 regulates HCC glycolysis through the HK2 pathway in HCC cells. Human HCC cell lines HepG2 and Hep3B cells were transfected with pcDNA3.1(+)-EGFP-STAT3, STAT3 siRNA and HK2 siRNA, respectively, or treated with rapamycin, an inhibitor of mammalian target of rapamycin (mTOR), and the effects on STAT3 and HK2 expression and cell glycolysis were determined...
April 11, 2017: Oncotarget
https://www.readbyqxmd.com/read/28445970/acid-ceramidase-is-a-novel-drug-target-for-pediatric-brain-tumors
#16
Ninh B Doan, Ha S Nguyen, Andrew Montoure, Mona M Al-Gizawiy, Wade M Mueller, Shekar Kurpad, Scott D Rand, Jennifer M Connelly, Christopher R Chitambar, Kathleen M Schmainda, Shama P Mirza
Pediatric brain tumors are the most common solid tumors in children and are also a leading culprit of cancer-related fatalities in children. Pediatric brain tumors remain hard to treat. In this study, we demonstrated that medulloblastoma, pediatric glioblastoma, and atypical teratoid rhabdoid tumors express significant levels of acid ceramidase, where levels are highest in the radioresistant tumors, suggesting that acid ceramidase may confer radioresistance. More importantly, we also showed that acid ceramidase inhibitors are highly effective at targeting these pediatric brain tumors with low IC50 values (4...
April 11, 2017: Oncotarget
https://www.readbyqxmd.com/read/28445969/glypican-1-targeted-antibody-based-therapy-induces-preclinical-antitumor-activity-against-esophageal-squamous-cell-carcinoma
#17
Emi Harada, Satoshi Serada, Minoru Fujimoto, Yusuke Takahashi, Tsuyoshi Takahashi, Hisashi Hara, Rie Nakatsuka, Takahito Sugase, Takahiko Nishigaki, Yurina Saito, Kosuke Hiramatsu, Satoshi Nojima, Risa Mitsuo, Tomoharu Ohkawara, Eiichi Morii, Masaki Mori, Yuichiro Doki, Yasufumi Kaneda, Tetsuji Naka
Esophageal squamous cell carcinoma (ESCC) has a poor prognosis despite the development of multimodal therapy. Expression of glypican-1 (GPC1) has been reported to be elevated in a subset of patients with ESCC and associated with chemoresistance. This study aimed to determine the association of GPC1 with ESCC growth and potential usefulness of the GPC1 targeted therapy by monoclonal antibody (mAb) in ESCC. Expression of GPC1 was higher in ESCC tumor tissues than in adjacent non-tumoral tissues and normal tissues...
April 11, 2017: Oncotarget
https://www.readbyqxmd.com/read/28445967/lactobacillus-casei-zhang-and-vitamin-k2-prevent-intestinal-tumorigenesis-in-mice-via-adiponectin-elevated-different-signaling-pathways
#18
Yong Zhang, Chen Ma, Jie Zhao, Haiyan Xu, Qiangchuan Hou, Heping Zhang
The incidence of colon cancer has increased considerably and the intestinal microbiota participate in the development of colon cancer. We showed that the L. casei Zhang or vitamin K2 (Menaquinone-7) intervention significantly alleviated intestinal tumor burden in mice. This was associated with increased serum adiponectin levels in both treatments. But osteocalcin level was only increased by L. casei Zhang. Furthermore, the anti-carcinogenic actions of L. casei Zhang were mediated by hepatic Chloride channel-3(CLCN3)/Nuclear Factor Kappa B(NF-κB) and intestinal Claudin15/Chloride intracellular channel 4(CLIC4)/Transforming Growth Factor Beta(TGF-β) signaling, while the vitamin K2 effect involved a hepatic Vitamin D Receptor(VDR)-phosphorylated AMPK signaling pathway...
April 11, 2017: Oncotarget
https://www.readbyqxmd.com/read/28445966/interferon-alpha-antagonizes-the-anti-hepatoma-activity-of-the-oncolytic-virus-m1-by-stimulating-anti-viral-immunity
#19
Liu Ying, Hu Cheng, Xu Wen Xiong, Lin Yuan, Zhang Hai Peng, Zhong Wen Wen, Liang Jian Ka, Xiao Xiao, Cai Jing, Tan Ya Qian, Gao Zhi Liang, Yan Guang Mei, Zhu Wen Bo, Peng Liang
Alpha virus M1 is an oncolytic virus that targets zinc-finger antiviral protein (ZAP)-defective cancer cells, and may be useful for treatment of hepatocellular carcinoma (HCC). Most of HCC patients have hepatitis and need long-term antiviral medication. Thus, it is necessary to clarify whether anti-virus medicines influence oncolytic effect of M1. We examined the effect of drugs used to treat hepatitis B/C on M1-mediated oncolysis in vitro and in vivo. Interferon (IFN)-α induces expression of antiviral IFN-stimulated genes (ISGs) in HCC cells with moderate sensitivity to M1 virus...
April 11, 2017: Oncotarget
https://www.readbyqxmd.com/read/28445962/psma-homing-dsrna-chimeric-protein-vector-kills-prostate-cancer-cells-and-activates-anti-tumor-bystander-responses
#20
Yael Langut, Nufar Edinger, Efrat Flashner-Abramson, Naomi Melamed-Book, Mario Lebendiker, Yael Levi-Kalisman, Shoshana Klein, Alexander Levitzki
The treatment of metastatic androgen-resistant prostate cancer remains a challenge. We describe a protein vector that selectively delivers synthetic dsRNA, polyinosinic/polycytidylic acid (polyIC), to prostate tumors by targeting prostate specific membrane antigen (PSMA), which is overexpressed on the surface of prostate cancer cells.The chimeric protein is built from the double stranded RNA (dsRNA) binding domain of PKR tethered to a single chain anti-PSMA antibody. When complexed with polyIC, the chimera demonstrates selective and efficient killing of prostate cancer cells...
April 11, 2017: Oncotarget
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