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https://www.readbyqxmd.com/read/27925181/estimation-of-the-tumor-size-at-cure-threshold-among-aggressive-non-small-cell-lung-cancers-nsclcs-evidence-from-the-surveillance-epidemiology-and-end-results-program-seer-and-the-national-lung-screening-trial-nlst
#1
Deborah L Goldwasser
The National Lung Screening Trial (NLST) demonstrated that non-small cell lung cancer (NSCLC) mortality can be reduced by a program of annual CT screening in high-risk individuals. However, CT screening regimens and adherence vary, potentially impacting the lung cancer mortality benefit. We defined the NSCLC cure threshold as the maximum tumor size at which a given NSCLC would be curable due to early detection. We obtained data from 518,234 NSCLCs documented in the U.S. SEER cancer registry between 1988 and 2012 and 1,769 NSCLCs detected in the NLST...
December 7, 2016: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/27924033/chipbase-v2-0-decoding-transcriptional-regulatory-networks-of-non-coding-rnas-and-protein-coding-genes-from-chip-seq-data
#2
Ke-Ren Zhou, Shun Liu, Wen-Ju Sun, Ling-Ling Zheng, Hui Zhou, Jian-Hua Yang, Liang-Hu Qu
The abnormal transcriptional regulation of non-coding RNAs (ncRNAs) and protein-coding genes (PCGs) is contributed to various biological processes and linked with human diseases, but the underlying mechanisms remain elusive. In this study, we developed ChIPBase v2.0 (http://rna.sysu.edu.cn/chipbase/) to explore the transcriptional regulatory networks of ncRNAs and PCGs. ChIPBase v2.0 has been expanded with ∼10 200 curated ChIP-seq datasets, which represent about 20 times expansion when comparing to the previous released version...
October 23, 2016: Nucleic Acids Research
https://www.readbyqxmd.com/read/27923660/highly-expressed-lncrna-ccnd2-as1-promotes-glioma-cell-proliferation-through-wnt-%C3%AE-catenin-signaling
#3
Hua Zhang, Lin D Wei, Long Wan, Feng S Yan, Hui Yan Sun
Glioma is the most common and aggressive primary brain tumor in adults. Long-non coding RNAs (lncRNAs) have been recently shown to play important roles in regulating numerous biological processes both in physiologic and pathologic condition. However, the role of lncRNAs in glioma remains largely unknown. In this study, we firstly found that lncRNA CCND2-AS2 is significantly up regulated in malignant glioma tissues and cell lines. Both loss- and gain-functions assays show that CCND2-AS1 promotes glioma cells proliferation and growth...
December 3, 2016: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/27923456/strategies-to-use-micrornas-as-therapeutic-targets
#4
REVIEW
Erica Gentilin, Ettore Degli Uberti, Maria Chiara Zatelli
MicroRNAs (miRNAs) are non-coding RNAs generated from endogenous hairpin-shaped transcripts that powerfully regulate gene expression at post-transcriptional level. Each miRNA is capable to regulate the expression levels of hundreds of transcripts and each mRNA may have more than one miRNA recognition sequence. There is emerging evidence that deregulation of miRNA expression leads to the alteration of pivotal physiological functions contributing to the development of diseases and neoplasms, including pituitary adenoma...
October 2016: Best Practice & Research. Clinical Endocrinology & Metabolism
https://www.readbyqxmd.com/read/27923325/a-gingiva-derived-mesenchymal-stem-cell-laden-porcine-small-intestinal-submucosa-extracellular-matrix-construct-promotes-myomucosal-regeneration-of-the-tongue
#5
Qilin Xu, Rabie M Shanti, Qunzhou Zhang, Steven B Cannady, Bert W O'Malley, Anh D Le
In the oral cavity, the tongue is the anatomic subsite most commonly involved by invasive squamous cell carcinoma. Current treatment protocols often require significant tissue resection to achieve adequate negative margins and optimal local tumor control. Reconstruction of the tongue while preserving and/or restoring its critical vocal, chewing, and swallowing functions remains one of the major challenges in head and neck oncologic surgery. We investigated the in vitro feasibility of fabricating a novel combinatorial construct using porcine small intestinal submucosa extracellular matrix (SIS-ECM) and human gingival mesenchymal stem cells (GMSCs) as a GMSC/SIS-ECM tissue graft for the tongue reconstruction...
December 6, 2016: Tissue Engineering. Part A
https://www.readbyqxmd.com/read/27922675/overexpression-of-sox18-promotes-prostate-cancer-progression-via-the-regulation-of-tcf1-c-myc-cyclin%C3%A2-d1-and-mmp-7
#6
Huaqi Yin, Zhengzuo Sheng, Xiaowei Zhang, Yiqing Du, Caipeng Qin, Huixin Liu, Yaojun Dun, Qi Wang, Chengyue Jin, Yanhui Zhao, Tao Xu
Sex determining region Y (SRY)-box 18 (SOX18) gene encodes transcription factors that have been recently confirmed to be overexpressed in various human types of cancer and maintain the malignant behavior of cancer cells. However, the role and its potential function in prostate cancer (PCa) has not been demonstrated and the mechanisms of SOX18 involved in tumor progression remain largely unclear. In the present study, the expression of SOX18 was analyzed in 98 PCa and 81 adjacent non-tumor tissues using immunohistochemistry...
December 2, 2016: Oncology Reports
https://www.readbyqxmd.com/read/27919990/validation-and-enhancement-of-the-clinicopathological-melanoma-nomogram-via-incorporation-of-a-molecular-marker-in-the-primary-tumor
#7
Samer A Naffouje, Rand Naffouje, Jinsong Chen, George I Salti
BACKGROUND/AIM: To validate the melanoma nomogram and improve its function in prediction of nodal dissemination by incorporating a molecular marker in the model. Microphthalmia transcription factor (MITF) is an important regulator of melanocyte homeostasis and differentiation. We have shown that the grade of MITF expression in primary melanoma cells can serve as a predictor of nodal status. Many efforts to identify the nodal spread in cutaneous melanoma using non-invasive means have been recently undertaken...
December 2016: Anticancer Research
https://www.readbyqxmd.com/read/27919796/the-bad-seed-gardener-deubiquitinases-in-the-cancer-stem-cell-signaling-network-and-therapeutic-resistance
#8
REVIEW
Guan-Zhong Qiu, Wei Sun, Ming-Zhu Jin, Jing Lin, Pei-Gang Lu, Wei-Lin Jin
Tumors are comprised of highly heterogeneous populations of cells, of which only a small subset of stem-like cells possess the ability to regenerate tumors in vivo. These rare cancer stem cells (CSCs) have been regarded as the "bad seeds" accounted for tumor initiation, progression, metastasis, relapse and therapeutic resistance. CSC-targeted therapy seems to be a better avenue for radical cure of cancer. Deubiquitinases (DUBs), specifically disassembling ubiquitin chains, have been demonstrated to play an important role in rigidly maintaining the balance between ubiquitination and deubiquitination for protein quality control and homeostasis in normal circumstances...
December 2, 2016: Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/27918099/mir-193b-mediates-cebpd-induced-cisplatin-sensitization-through-targeting-ets1-and-cyclin-d1-in-human-urothelial-carcinoma-cells
#9
Siao-Ren Lin, Hsin-Chih Yeh, Wei-Jan Wang, Hung-Lung Ke, Hui-Hui Lin, Wei-Chi Hsu, Shi-Yi Chao, Tzyh-Chyuan Hour, Wen-Jeng Wu, Yeong-Shiau Pu, A-Mei Huang
Transcription factor CCAAT/enhancer-binding protein delta (CEBPD) plays multiple roles in tumor progression. Studies have demonstrated that cisplatin (CDDP) induced CEBPD expression and had led to chemotherapeutic drug resistance. However, the underlying molecular mechanisms of CDDP-regulated CEBPD expression and its relevant roles in CDDP responses remain elusive. MicroRNAs (miRNAs) are small non-coding RNAs that negatively regulate gene expression in a sequence-specific manner. Abnormal miRNAs expression is associated with tumor progression...
December 5, 2016: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/27916040/-progress-of-clinical-application-of-anatomic-resection-and-nonanatomic-resection
#10
Y M Zhang, J Wang
Currently surgical resection is still the best therapeutic method to treat hepatocellular carcinoma, but the effects of different surgical methods on postoperative recurrence of hepatocellular carcinoma are still controversial. According to the technical points and developmental course of anatomical and non-anatomical hepatectomy, this paper analyzes the published literature and draws a conclusion that success of hepatectomy depends on exact balance between residual liver reserve function and radical resection of tumor...
December 1, 2016: Zhonghua Wai Ke za Zhi [Chinese Journal of Surgery]
https://www.readbyqxmd.com/read/27915290/localized-structural-frustration-for-evaluating-the-impact-of-sequence-variants
#11
Sushant Kumar, Declan Clarke, Mark Gerstein
Population-scale sequencing is increasingly uncovering large numbers of rare single-nucleotide variants (SNVs) in coding regions of the genome. The rarity of these variants makes it challenging to evaluate their deleteriousness with conventional phenotype-genotype associations. Protein structures provide a way of addressing this challenge. Previous efforts have focused on globally quantifying the impact of SNVs on protein stability. However, local perturbations may severely impact protein functionality without strongly disrupting global stability (e...
December 1, 2016: Nucleic Acids Research
https://www.readbyqxmd.com/read/27914985/combination-therapy-with-doxorubicin-loaded-galactosylated-poly-ethyleneglycol-lithocholic-acid-to-suppress-the-tumor-growth-in-an-orthotopic-mouse-model-of-liver-cancer
#12
Bijay Singh, Yoonjeong Jang, Sushila Maharjan, Hyeon-Jeong Kim, Ah Young Lee, Sanghwa Kim, Nomundelger Gankhuyag, Myeon-Sik Yang, Yun-Jaie Choi, Myung-Haing Cho, Chong-Su Cho
Despite advances in technology, neither conventional anti-cancer drugs nor current nanoparticle (NP) drugs have gained substantial success in cancer treatment. While conventional chemotherapy drugs have several limitations such as low potency, poor in vivo stability and limited bioavailability, non-specific targeting of NP drugs diminishes their potency at actual target sites. In addition, the development of drug resistance to anti-cancer drugs is another challenging problem. To overcome these limitations, we aimed to develop a polymer-drug conjugate, which functions as an active NP drug and drug carrier both, to deliver a chemotherapeutic drug for combination therapy...
November 24, 2016: Biomaterials
https://www.readbyqxmd.com/read/27912844/heparanase-from-basic-research-to-therapeutic-applications-in-cancer-and-inflammation
#13
Israel Vlodavsky, Preeti Singh, Ilanit Boyango, Lilach Gutter-Kapon, Michael Elkin, Ralph D Sanderson, Neta Ilan
Heparanase, the sole heparan sulfate degrading endoglycosidase, regulates multiple biological activities that enhance tumor growth, angiogenesis and metastasis. Heparanase expression is enhanced in almost all cancers examined including various carcinomas, sarcomas and hematological malignancies. Numerous clinical association studies have consistently demonstrated that upregulation of heparanase expression correlates with increased tumor size, tumor angiogenesis, enhanced metastasis and poor prognosis. In contrast, knockdown of heparanase or treatments of tumor-bearing mice with heparanase-inhibiting compounds, markedly attenuate tumor progression further underscoring the potential of anti-heparanase therapy for multiple types of cancer...
November 2016: Drug Resistance Updates: Reviews and Commentaries in Antimicrobial and Anticancer Chemotherapy
https://www.readbyqxmd.com/read/27912775/a-novel-long-non-coding-rna-lnc-gnat1-1-is-low-expressed-in-colorectal-cancer-and-acts-as-a-tumor-suppressor-through-regulating-rkip-nf-%C3%AE%C2%BAb-snail-circuit
#14
Chunxiang Ye, Zhanlong Shen, Bo Wang, Yansen Li, Tao Li, Yang Yang, Kewei Jiang, Yingjiang Ye, Shan Wang
BACKGROUND: The role of long non-coding RNAs (lncRNAs) in colorectal cancer (CRC) progression has not fully been elucidated. This study was designed to report the identification of a novel lncRNA, lnc-GNAT1-1, and its functional role in CRC progression. METHODS: lncRNA expression profile microarray was performed in three paired primary and liver metastatic tissues of CRC, and a novel lncRNA, lnc-GNAT1-1, was identified to be a potential functional lncRNA. Quantitative real-time PCR was used to detect its expression in CRC tissues, cell lines, and patients' plasma, cell fractionation was used to evaluate its subcellular location...
December 3, 2016: Journal of Experimental & Clinical Cancer Research: CR
https://www.readbyqxmd.com/read/27909134/what-is-the-morbidity-of-a-non-invasive-growing-prosthesis
#15
M M Gilg, C L Gaston, M C Parry, L Jeys, A Abudu, R M Tillman, S R Carter, R J Grimer
AIMS: Extendible endoprostheses have been available for more than 30 years and have become more sophisticated with time. The latest generation is 'non-invasive' and can be lengthened with an external magnetic force. Early results have shown a worryingly high rate of complications such as infection. This study investigates the incidence of complications and the need for further surgery in a cohort of patients with a non-invasive growing endoprosthesis. PATIENTS AND METHODS: Between 2003 and June 2014, 50 children (51 prostheses) had a non-invasive growing prosthesis implanted for a primary bone sarcoma...
December 2016: Bone & Joint Journal
https://www.readbyqxmd.com/read/27908969/synthesis-and-evaluation-of-the-new-estrogen-receptor-%C3%AE-selective-radioligand-18f-fhnp-comparison-with-18f-fes
#16
Inês F Antunes, Aren van Waarde, Rudi A Dierckx, Elisabeth G E de Vries, Geke A P Hospers, Erik F de Vries
: Estrogen receptors (ER) are targets for endocrine treatment of estrogen-dependent cancers. The ER consists of 2 isoforms, ERα and ERβ, which have distinct biological functions. While activation of ERα stimulates cell proliferation and cell survival, ERβ promotes apoptosis. Positron emission tomography (PET) of ERα and ERβ levels could provide more insight in response to hormonal treatment. 16α-(18)F-Fluoro-17β-estradiol ((18)F-FES) is a PET tracer for ER with relative selectivity for ERα...
December 1, 2016: Journal of Nuclear Medicine: Official Publication, Society of Nuclear Medicine
https://www.readbyqxmd.com/read/27908756/a-novel-curcumin-derivative-which-inhibits-p-glycoprotein-arrests-cell-cycle-and-induces-apoptosis-in-multidrug-resistance-cells
#17
Vanessa Lopes-Rodrigues, Ana Oliveira, Marta Correia-da-Silva, Madalena Pinto, Raquel T Lima, Emília Sousa, M Helena Vasconcelos
Cancer multidrug resistance (MDR) is a major limitation to the success of cancer treatment and is highly associated with the overexpression of drug efflux pumps such as P-glycoprotein (P-gp). In order to achieve more effective chemotherapeutic treatments, it is important to develop P-gp inhibitors to block/decrease its activity. Curcumin (1) is a secondary metabolite isolated from the turmeric of Curcuma longa L.. Diverse biological activities have been identified for this compound, particularly, MDR modulation in various cancer cell models...
November 19, 2016: Bioorganic & Medicinal Chemistry
https://www.readbyqxmd.com/read/27908234/sustained-early-disruption-of-mitochondrial-function-contributes-to-arsenic-induced-prostate-tumorigenesis
#18
B Singh, M Kulawiec, K M Owens, A Singh, K K Singh
Arsenic is a well-known human carcinogen that affects millions of people worldwide, but the underlying mechanisms of carcinogenesis are unclear. Several epidemiological studies have suggested increased prostate cancer incidence and mortality due to exposure to arsenic. Due to lack of an animal model of arsenic-induced carcinogenesis, we used a prostate epithelial cell culture model to identify a role for mitochondria in arsenic-induced prostate cancer. Mitochondrial morphology and membrane potential was impacted within a few hours of arsenic exposure of non-neoplastic prostate epithelial cells...
October 2016: Biochemistry. Biokhimii︠a︡
https://www.readbyqxmd.com/read/27904778/long-non-coding-rna-ccat2-promotes-gastric-cancer-proliferation-and-invasion-by-regulating-the-e-cadherin-and-lats2
#19
Yong-Jun Wang, Jian-Zhen Liu, Pei Lv, Yi Dang, Jiang-Yan Gao, Yong Wang
Dysregulation of long non-coding RNAs (lncRNAs) play important roles in tumor development and progression. The long non-coding RNA CCAT2 has been identified to be up-regulated in gastric cancer (GC). However, the detailed molecular mechanism of CCAT2 involved in GC progression is still unknown. The aim of this study was to explore the expression and role of CCAT2 in GC progression. In the study, the expression levels of CCAT2 were significantly up-regulated in 108 cases GC tissues compared with adjacent non-tumor tissues by qRT-PCR analysis...
2016: American Journal of Cancer Research
https://www.readbyqxmd.com/read/27904777/g3bp1-contributes-to-tumor-metastasis-via-upregulation-of-slug-expression-in-hepatocellular-carcinoma
#20
Ning Dou, Jingde Chen, Shijun Yu, Yong Gao, Yandong Li
RasGAP SH3-domain-Binding Protein 1 (G3BP1) has been implicated in cell growth, migration, and metastasis of some cancers, yet its function in hepatocellular carcinoma (HCC) remains to be explored. In the present study, we reported that G3BP1 was upregulated in HCC tissues compared with adjacent non-cancerous liver tissues both in mRNA and protein levels, and its high expression was significantly correlated with poor prognosis of HCC patients. Functional analyses demonstrated that forced expression of G3BP1 in HCC cells promoted cell migration, and silenced expression of G3BP1 by RNA interference caused opposite effects...
2016: American Journal of Cancer Research
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