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https://www.readbyqxmd.com/read/27906435/down-regulation-of-microrna-143-is-associated-with-colorectal-cancer-progression
#1
J-W Bai, H-Z Xue, C Zhang
OBJECTIVE: Colorectal cancer (CRC) is one of the most prevalent carcinomas worldwide. Tumor metastasis and recurrence are leading causes of CRC-related deaths. Given the role of microRNA (miRNA) in CRC invasion and metastasis, we explored the association between miRNA-143 expression and clinicopathologic characteristics in CRC, as well as the effects of miRNA-143 on CRC cell invasion in vitro. MATERIALS AND METHODS: Quantitative real-time PCR was conducted to assess the expression of miR-143 in tissue specimens and cell lines...
November 2016: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/27906201/the-cost-of-molecular-guided-therapy-in-oncology-a-prospective-cost-study-alongside-the-moscato-trial
#2
Arnaud Pagès, Stéphanie Foulon, Zhaomin Zou, Ludovic Lacroix, François Lemare, Thierry de Baère, Christophe Massard, Jean-Charles Soria, Julia Bonastre
AIM: There is increasing use of molecular technologies to guide cancer treatments, but few cost data are available. Our objective was to assess the costs of molecular-guided therapy for patients with advanced solid tumors alongside the Molecular Screening for Cancer Treatment and Optimization (MOSCATO) trial. MATERIALS AND METHODS: The study population consisted of 529 patients. The molecular diagnosis included seven steps from tumor biopsy to the multidisciplinary molecular tumor board...
December 1, 2016: Genetics in Medicine: Official Journal of the American College of Medical Genetics
https://www.readbyqxmd.com/read/27906180/mir-148a-3p-represses-proliferation-and-emt-by-establishing-regulatory-circuits-between-erbb3-akt2-c-myc-and-dnmt1-in-bladder-cancer
#3
Xiao Wang, Zhen Liang, Xin Xu, Jiangfeng Li, Yi Zhu, Shuai Meng, Shiqi Li, Song Wang, Bo Xie, Alin Ji, Ben Liu, Xiangyi Zheng, Liping Xie
miR-148a-3p downregulation has emerged as a critical factor in cancer progression yet, the underlying mechanisms of miR-148a-3p expression pattern and its function in bladder cancer remains to be elucidated. Here, we illustrate that miR-148a-3p is frequently downregulated in bladder cancer and that its expression may be regulated by DNA methylation. DNA methyltransferase 1 (DNMT1) and miR-148a-3p function in a positive feedback loop in bladder cancer. miR-148a-3p overexpression functions as a tumor suppressor in bladder cancer cells...
December 1, 2016: Cell Death & Disease
https://www.readbyqxmd.com/read/27906177/-normalizing-the-malignant-phenotype-of-luminal-breast-cancer-cells-via-alpha-v-beta-3-integrin
#4
Hanan Abu-Tayeh, Keren Weidenfeld, Alisa Zhilin-Roth, Sagi Schif-Zuck, Sonja Thaler, Cristina Cotarelo, Tuan Z Tan, Jean P Thiery, Jeffrey E Green, Geula Klorin, Edmond Sabo, Jonathan P Sleeman, Maty Tzukerman, Dalit Barkan
Reestablishing tissue organization of breast cancer cells into acini was previously shown to override their malignant phenotype. In our study, we demonstrate that alpha(v)beta(3) integrin (Int-αvβ3), previously shown to play a role in cancer progression, promoted differentiation and growth arrest of organoids derived from luminal A breast cancer cells grown in their relevant three-dimensional microenvironment. These organoids differentiated into normal-like acini resembling a benign stage of breast tissue...
December 1, 2016: Cell Death & Disease
https://www.readbyqxmd.com/read/27906162/activation-of-myeloid-and-endothelial-cells-by-cd40l-gene-therapy-supports-t-cell-expansion-and-migration-into-the-tumor-microenvironment
#5
E Eriksson, R Moreno, I Milenova, L Liljenfeldt, L C Dieterich, L Christiansson, H Karlsson, G Ullenhag, S Mangsbo, A Dimberg, R Alemany, A Loskog
CD40 is an interesting target in cancer immunotherapy due to its ability to stimulate Th1 immunity via maturation of dendritic cells and to drive M2 to M1 macrophage differentiation. Pancreatic cancer has a high M2 content that has shown responsive to anti-CD40 agonist therapy and CD40 may thus be a suitable target for immune activation in these patients. In this study, a novel oncolytic adenovirus armed with a trimerized membrane-bound extracellular CD40L (TMZ-CD40L) was evaluated as a treatment of pancreatic cancer...
December 1, 2016: Gene Therapy
https://www.readbyqxmd.com/read/27906147/biogenic-synthesis-of-silver-nanoparticles-from-cassia-fistula-linn-in-vitro-assessment-of-their-antioxidant-antimicrobial-and-cytotoxic-activities
#6
Yugal Kishore Mohanta, Sujogya Kumar Panda, Kunal Biswas, Abiral Tamang, Jaya Bandyopadhyay, Debashis De, Dambarudhar Mohanta, Akshaya Kumar Bastia
The present study reports on biogenic-synthesised silver nanoparticles (AgNPs) derived by treating Ag ions with an extract of Cassia fistula leaf, a popular Indian medicinal plant found in natural habitation. The progress of biogenic synthesis was monitored time to time using a ultraviolet-visible spectroscopy. The effect of phytochemicals present in C. fistula including flavonoids, tannins, phenolic compounds and alkaloids on the homogeneous growth of AgNPs was investigated by Fourier-transform infrared spectroscopy...
December 2016: IET Nanobiotechnology
https://www.readbyqxmd.com/read/27906134/tumour-suppressor-micrornas-regulate-ovarian-cancer-cell-physical-properties-and-invasive-behaviour
#7
Clara K Chan, Yinghong Pan, Kendra Nyberg, Marco A Marra, Emilia L Lim, Steven J M Jones, Dianna Maar, Ewan A Gibb, Preethi H Gunaratne, A Gordon Robertson, Amy C Rowat
The activities of pathways that regulate malignant transformation can be influenced by microRNAs (miRs). Recently, we showed that increased expression of five tumour-suppressor miRs, miR-508-3p, miR-508-5p, miR-509-3p, miR-509-5p and miR-130b-3p, correlate with improved clinical outcomes in human ovarian cancer patients, and that miR-509-3p attenuates invasion of ovarian cancer cell lines. Here, we investigate the mechanism underlying this reduced invasive potential by assessing the impact of these five miRs on the physical properties of cells...
November 2016: Open Biology
https://www.readbyqxmd.com/read/27906093/microrna-140-5p-inhibits-colorectal-cancer-invasion-and-metastasis-by-targeting-adamts5-and-igfbp5
#8
Lihui Yu, Ying Lu, Xiaocui Han, Wenyue Zhao, Jiazhi Li, Jun Mao, Bo Wang, Jie Shen, Shujun Fan, Lu Wang, Mei Wang, Lianhong Li, Jianwu Tang, Bo Song
BACKGROUND: Colorectal cancer (CRC) is one of the most common malignancies in the world. microRNA-140-5p (miR-140) has been shown to be involved in cartilage development and osteoarthritis (OA) pathogenesis. Some contradictions still exist concerning the role of miR-140 in tumor progression and metastasis, and the underlying mechanism is uncertain. METHODS: Immunohistochemistry was performed to determine the expressions of ADAMTS5 and IGFBP5 in CRC tissues. Human CRC cell lines HCT116 and RKO were transfected with miR-140 mimic, inhibitor, or small interfering RNA (siRNA) against ADAMTS5 or IGFBP5, respectively, using oligofectamine or lipofectamine 2000...
December 1, 2016: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/27906072/actrii-blockade-protects-mice-from-cancer-cachexia-and-prolongs-survival-in-the-presence-of-anti-cancer-treatments
#9
Shinji Hatakeyama, Serge Summermatter, Marie Jourdain, Stefan Melly, Giulia C Minetti, Estelle Lach-Trifilieff
BACKGROUND: Cachexia affects the majority of patients with advanced cancer and is associated with reduced treatment tolerance, response to therapy, quality of life, and life expectancy. Cachectic patients with advanced cancer often receive anti-cancer therapies against their specific cancer type as a standard of care, and whether specific ActRII inhibition is efficacious when combined with anti-cancer agents has not been elucidated yet. METHODS: In this study, we evaluated interactions between ActRII blockade and anti-cancer agents in CT-26 mouse colon cancer-induced cachexia model...
July 26, 2016: Skeletal Muscle
https://www.readbyqxmd.com/read/27906047/propranolol-and-survival-from-breast-cancer-a-pooled-analysis-of-european-breast-cancer-cohorts
#10
Chris R Cardwell, Anton Pottegård, Evelien Vaes, Hans Garmo, Liam J Murray, Chris Brown, Pauline A J Vissers, Michael O'Rorke, Kala Visvanathan, Deirdre Cronin-Fenton, Harlinde De Schutter, Mats Lambe, Des G Powe, Myrthe P P van Herk-Sukel, Anna Gavin, Søren Friis, Linda Sharp, Kathleen Bennett
BACKGROUND: Preclinical studies have demonstrated that propranolol inhibits several pathways involved in breast cancer progression and metastasis. We investigated whether breast cancer patients who used propranolol, or other non-selective beta-blockers, had reduced breast cancer-specific or all-cause mortality in eight European cohorts. METHODS: Incident breast cancer patients were identified from eight cancer registries and compiled through the European Cancer Pharmacoepidemiology Network...
December 1, 2016: Breast Cancer Research: BCR
https://www.readbyqxmd.com/read/27905892/mir-491-regulates-glioma-cells-proliferation-by-targeting-trim28-in-vitro
#11
Zengxin Qi, Shengyong Cai, Jiajun Cai, Lingchao Chen, Yu Yao, Liang Chen, Ying Mao
BACKGROUND: MicroRNAs are significantly involved in tumorigenesis and progression of glioma. However, the critical part they play in glioma have not been fully elaborated. miR-491 and Tripartite motif containing 28 (TRIM28) are reported to aberrantly express in glioblastoma multiforme (GBM). Here, we detected miR-491 and TRIM28 expression and function in glioma cells. METHODS: We analyzed miR-491 expressions in 20 primary human GBM tissues and 6 control brain tissues by qRT-PCR assays and searched for The Cancer Genome Atlas (TCGA) database...
December 1, 2016: BMC Neurology
https://www.readbyqxmd.com/read/27905583/intracellular-water-an-overlooked-drug-target-cisplatin-impact-in-cancer-cells-probed-by-neutrons
#12
M P M Marques, A L M Batista de Carvalho, V Garcia Sakai, L Hatter, L A E Batista de Carvalho
The first neutron scattering study on human nucleated cells is reported, addressing the subject of solvent-slaving to a drug by probing intracellular water upon drug exposure. Inelastic and quasi-elastic neutron scattering spectroscopy with isotope labelling was applied for monitoring interfacial water response to the anticancer drug cisplatin, in the low prognosis human metastatic breast cancer cells MDA-MB-231. Optical vibrational data were also obtained for lyophilised cells. Concentration-dependent dynamical changes evidencing a progressive mobility reduction were unveiled between untreated and cisplatin-exposed samples, concurrent with variations in the native organisation of water molecules within the intracellular medium as a consequence of drug action...
December 1, 2016: Physical Chemistry Chemical Physics: PCCP
https://www.readbyqxmd.com/read/27905519/the-impact-of-dna-damage-response-gene-polymorphisms-on-therapeutic-outcomes-in-late-stage-ovarian-cancer
#13
F Guffanti, R Fruscio, E Rulli, G Damia
Late stage epithelial ovarian cancer has a dismal prognosis. Identification of pharmacogenomic markers (i.e. polymorphisms) to stratify patients to optimize individual therapy is of paramount importance. We here report the retrospective analysis of polymorphisms in 5 genes (ATM, ATR, Chk1, Chk2 and CDK12) involved in the cellular response to platinum in a cohort of 240 cancer patients with late stage ovarian cancer. The aim of the present study was to evaluate associations between the above mentioned SNPs and patients' clinical outcomes: overall survival (OS) and progression free survival (PFS)...
December 1, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27905473/carcinogenic-human-papillomavirus-infection
#14
Mark Schiffman, John Doorbar, Nicolas Wentzensen, Silvia de Sanjosé, Carole Fakhry, Bradley J Monk, Margaret A Stanley, Silvia Franceschi
Infections with human papillomavirus (HPV) are common and transmitted by direct contact. Although the great majority of infections resolve within 2 years, 13 phylogenetically related, sexually transmitted HPV genotypes, notably HPV16, cause - if not controlled immunologically or by screening - virtually all cervical cancers worldwide, a large fraction of other anogenital cancers and an increasing proportion of oropharyngeal cancers. The carcinogenicity of these HPV types results primarily from the activity of the oncoproteins E6 and E7, which impair growth regulatory pathways...
December 1, 2016: Nature Reviews. Disease Primers
https://www.readbyqxmd.com/read/27905446/genomic-evolution-and-chemoresistance-in-germ-cell-tumours
#15
Amaro Taylor-Weiner, Travis Zack, Elizabeth O'Donnell, Jennifer L Guerriero, Brandon Bernard, Anita Reddy, G Celine Han, Saud AlDubayan, Ali Amin-Mansour, Steven E Schumacher, Kevin Litchfield, Clare Turnbull, Stacey Gabriel, Rameen Beroukhim, Gad Getz, Scott L Carter, Michelle S Hirsch, Anthony Letai, Christopher Sweeney, Eliezer M Van Allen
Germ-cell tumours (GCTs) are derived from germ cells and occur most frequently in the testes. GCTs are histologically heterogeneous and distinctly curable with chemotherapy. Gains of chromosome arm 12p and aneuploidy are nearly universal in GCTs, but specific somatic genomic features driving tumour initiation, chemosensitivity and progression are incompletely characterized. Here, using clinical whole-exome and transcriptome sequencing of precursor, primary (testicular and mediastinal) and chemoresistant metastatic human GCTs, we show that the primary somatic feature of GCTs is highly recurrent chromosome arm level amplifications and reciprocal deletions (reciprocal loss of heterozygosity), variations that are significantly enriched in GCTs compared to 19 other cancer types...
November 30, 2016: Nature
https://www.readbyqxmd.com/read/27905089/novel-paradigm-for-immunotherapy-of-ovarian-cancer-by-engaging-prophylactic-immunity-against-hepatitis-b-virus
#16
Marek Malecki, Emily Putzer, Caroline Quach, Chaitanya Dodivenaka, Xenia Tombokan
BACKGROUND: Only eight women out of one hundred diagnosed with ovarian epithelial cancers, which progressed to the clinical stage IV, survive 10 years. First line therapies: surgery, chemotherapy, and radiation therapy inflict very serious iatrogenic consequences. Passive immunotherapy of ovarian cancers offers only low efficacy. Prophylactic and therapeutic vaccines for ovarian cancers are not available. Interestingly, prophylactic vaccines for Hepatitis B Viruses (HBV) are very effective...
December 2016: Clinical and Translational Medicine
https://www.readbyqxmd.com/read/27905065/spatial-measures-of-genetic-heterogeneity-during-carcinogenesis
#17
K Storey, M D Ryser, K Leder, J Foo
In this work we explore the temporal dynamics of spatial heterogeneity during the process of tumorigenesis from healthy tissue. We utilize a spatial stochastic model of mutation accumulation and clonal expansion in a structured tissue to describe this process. Under a two-step tumorigenesis model, we first derive estimates of a non-spatial measure of diversity: Simpson's Index, which is the probability that two individuals sampled at random from the population are identical, in the premalignant population. We next analyze two new measures of spatial population heterogeneity...
November 30, 2016: Bulletin of Mathematical Biology
https://www.readbyqxmd.com/read/27905019/multi-disciplinary-concurrent-management-of-recurrent-hepatocellular-therapy-is-superior-to-sequential-therapy
#18
Tyler D Fields, Prejesh Philips, Charles R Scoggins, Cliff Tatum, Lawrence Kelly, Kelly M McMasters, Robert C G Martin
BACKGROUND: Recurrent hepatocellular carcinoma after a patient's initial therapy, whether it is transplantation, resection, or ablation, remains a challenging clinical problem. Since recurrence occurs in 70% of all initially treated disease within 5 years, optimal management to treat this recurrence is needed. Currently, a bias exists toward mono-therapy (i.e., ablation alone, hepatic arterial therapy alone, or sorafenib therapy alone) instead of concurrent sequential therapy-as is common in other primary and metastatic disease to the liver...
November 30, 2016: World Journal of Surgery
https://www.readbyqxmd.com/read/27904860/interventional-therapy-for-pancreatic-cancer
#19
REVIEW
Jianwei Zhu, Zhendong Jin
BACKGROUND: Palliative therapy and primarily chemoradiotherapy are the mainstream treatments in patients with locally advanced or metastatic pancreatic cancer (PC). Conventional endoscopy and endoscopic ultrasound (EUS)-guided interventional therapy has emerged as an important procedure for PC management. In this review, the progress in conventional endoscopy and EUS for PC management is discussed. SUMMARY: For local palliative therapy against PC, EUS-guided fine needle injection (FNI) could deliver different kinds of agents, such as radioactive seeds and fiducials...
October 2016: Gastrointestinal Tumors
https://www.readbyqxmd.com/read/27904849/medullary-thyroid-carcinoma-a-30-year-experience-at-one-institution-in-korea
#20
Cho Rok Lee, Sohee Lee, Haiyoung Son, Eunjeong Ban, Sang-Wook Kang, Jandee Lee, Jong Ju Jeong, Kee-Hyun Nam, Woong Youn Chung, Cheong Soo Park
PURPOSE: The objective of this study was to review the clinical outcome and prognosis of patients with sporadic and hereditary medullary thyroid cancer (MTC) who were treated at a single tertiary hospital in Korea. METHODS: We retrospectively reviewed the case files of 85 patients treated from August 1982 to February 2012. RESULTS: In all, 65 patients (76.5%) had sporadic MTC and 20 patients (23.5%) had hereditary MTC. Patients in the sporadic group were older than in the hereditary group (P < 0...
December 2016: Annals of Surgical Treatment and Research
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