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https://www.readbyqxmd.com/read/28107766/long-term-clinical-outcomes-of-endoscopic-submucosal-dissection-for-colorectal-neoplasms-in-423-cases-a-retrospective-study
#1
Masayoshi Yamada, Yutaka Saito, Hiroyuki Takamaru, Hayato Sasaki, Takuya Yokota, Yasushi Matsuyama, Yoshinori Sato, Taku Sakamoto, Takeshi Nakajima, Hirokazu Taniguchi, Shigeki Sekine, Takahisa Matsuda
Background and study aim Endoscopic submucosal dissection (ESD) is known as a curative treatment for colorectal superficial neoplasms. There is however a need for more long-term clinical data to establish the full advantages of colorectal ESD regarding very low recurrence rates. The aim of this retrospective study was to determine long-term clinical outcomes of colorectal ESD. Methods A total of 423 lesions treated by ESD for colorectal adenoma/dysplasia or adenocarcinoma between 1998 and 2008 at a single high volume referral center were included...
January 20, 2017: Endoscopy
https://www.readbyqxmd.com/read/28107702/c1qbp-regulates-ybx1-to-suppress-the-androgen-receptor-ar-enhanced-rcc-cell-invasion
#2
Dan Yue, Yong Wang, Yin Sun, Yuanjie Niu, Chawnshang Chang
Early studies suggested that the androgen receptor (AR) might play important roles to promote the renal cell carcinoma (RCC) progression; however, the detailed mechanisms remain unclear. Here we demonstrated the higher YBX1 expression with lower C1QBP expression in human RCC clinical tissues, and the intensity of C1QBP was negatively correlated with the YBX1 nuclear expression. Mechanism dissection found C1QBP could interact with YBX1 to suppress the YBX1 activation via altering the YBX1 phosphorylation and nuclear translocation in RCC cells...
January 17, 2017: Neoplasia: An International Journal for Oncology Research
https://www.readbyqxmd.com/read/28107608/the-increased-expression-of-tcf3-is-correlated-with-poor-prognosis-in-chinese-patients-with-nasopharyngeal-carcinoma
#3
Xiaohe Shen, Jizhao Yuan, Mengjie Zhang, Wenhua Li, Bing Ni, Yuzhang Wu, Li Jiang, Weiping Fan, Zhiqiang Tian
OBJECTIVES: Regulatory factors controlling stem cell identity and self-renewal are often active in aggressive cancers and are thought to promote cancer growth and progression. B-cell-specific transcription factor 3 (TCF3/E2A) is a member of the T-cell factor/lymphoid enhancer factor (TCF/LEF) transcription factor family that is central to regulating epidermal and embryonic stem cell identity. It has been reported that TCF3 was connected with the development and progression of a number of human cancers...
January 20, 2017: Clinical Otolaryngology
https://www.readbyqxmd.com/read/28107588/mitochondrial-uncoupler-exerts-a-synthetic-lethal-effect-against-%C3%AE-catenin-mutant-tumor-cells
#4
Yuki Shikata, Masaki Kiga, Yushi Futamura, Harumi Aono, Hiroyuki Inoue, Manabu Kawada, Hiroyuki Osada, Masaya Imoto
The wingless/int-1 (Wnt) signal transduction pathway plays a central role in cell proliferation, survival, differentiation and apoptosis. When β-catenin: a component of the Wnt pathway, is mutated into an active form, cell growth signaling is hyperactive and drives oncogenesis. As β-catenin is mutated in a wide variety of tumors, including up to 10% of all sporadic colon carcinomas and 20% of hepatocellular carcinomas, it has been considered a promising target for therapeutic interventions. Therefore, we screened an in-house natural product library for compounds that exhibited synthetic lethality towards β-catenin mutations and isolated nonactin, an antibiotic mitochondrial uncoupler, as a hit compound...
January 20, 2017: Cancer Science
https://www.readbyqxmd.com/read/28107584/targeting-of-tumor-growth-and-angiogenesis-underlies-the-enhanced-antitumor-activity-of-lenvatinib-in-combination-with-everolimus
#5
Masahiro Matsuki, Yusuke Adachi, Yoichi Ozawa, Takayuki Kimura, Taisuke Hoshi, Kiyoshi Okamoto, Osamu Tohyama, Kaoru Mitsuhashi, Atsumi Yamaguchi, Junji Matsui, Yasuhiro Funahashi
The combination of lenvatinib-a multiple receptor tyrosine kinase (RTK) inhibitor-plus everolimus-a mammalian target of rapamycin (mTOR) inhibitor-significantly improved clinical outcomes versus everolimus monotherapy in a phase 2 clinical study of metastatic renal cell carcinoma (RCC). Here, we investigated potential mechanisms underlying the antitumor activity of the combination treatment in preclinical RCC models. Lenvatinib plus everolimus showed greater antitumor activity than either monotherapy in 3 human RCC xenograft mouse models (A-498, Caki-1, and Caki-2)...
January 20, 2017: Cancer Science
https://www.readbyqxmd.com/read/28107582/immunoexpression-of-hdac1-hdac2-and-hat1-in-actinic-cheilitis-and-lip-squamous-cell-carcinoma
#6
Emanuely da Silva Chrun, Filipe Modolo, Daniella Serafim Couto Vieira, Álvaro Luiz Socorro Borges, Renata Goulart Castro, Filipe Ivan Daniel
BACKGROUND: Acetylation/deacetylation are the most studied covalent histone modifications resulting in transcriptional regulation with histone deacetylases (HDAC) and histone acetyltransferases (HAT) as the main associated enzymes. These enzymes overexpression induces abnormal transcription of key genes that regulate important cellular functions, such as proliferation, cell cycle regulation, and apoptosis. Thus, the expression of different HATs and HDACs has been evaluated in various cancers...
January 20, 2017: Oral Diseases
https://www.readbyqxmd.com/read/28107547/unusual-cohesive-growth-pattern-of-diffuse-large-b-cell-lymphoma-mimicking-metastatic-carcinoma
#7
Yingting Mok, Giap Hean Goh, Shi Wang
No abstract text is available yet for this article.
January 20, 2017: British Journal of Haematology
https://www.readbyqxmd.com/read/28107544/cutaneous-hpv8-and-mmupv1-e6-proteins-target-the-notch-and-tgf-%C3%AE-tumor-suppressors-to-inhibit-differentiation-and-sustain-keratinocyte-proliferation
#8
Jordan M Meyers, Aayushi Uberoi, Miranda Grace, Paul F Lambert, Karl Munger
Cutaneous beta-papillomaviruses are associated with non-melanoma skin cancers that arise in patients who suffer from a rare genetic disorder, Epidermodysplasia verruciformis (EV) or after immunosuppression following organ transplantation. Recent studies have shown that the E6 proteins of the cancer associated beta human papillomavirus (HPV) 5 and HPV8 inhibit NOTCH and TGF-β signaling. However, it is unclear whether disruption of these pathways may contribute to cutaneous HPV pathogenesis and carcinogenesis...
January 20, 2017: PLoS Pathogens
https://www.readbyqxmd.com/read/28107520/pgrmc1-is-a-novel-potential-tumor-biomarker-of-human-renal-cell-carcinoma-based-on-quantitative-proteomic-and-integrative-biological-assessments
#9
Dan Zhang, Xiangying Xia, Xixi Wang, Peng Zhang, Weiliang Lu, Yamei Yu, Shi Deng, Hanshuo Yang, Hongxia Zhu, Ningzhi Xu, Shufang Liang
Progesterone receptor membrane component 1 (PGRMC1) is widely observed with an elevated level in multiple human cancers. However, the roles of PGRMC1 in renal cancer are not clear and merit further study. In this report, we made a systematic, integrative biological assessment for PGRMC1 in renal cell carcinoma (RCC) by a quantitative proteomic identification, immunohistochemical detection, and its clinic pathologic significance analysis. We found that PGRMC1 abundance is increased by 3.91-fold in RCC tissues compared with its autologous para-cancerous tissues by a quantitative proteome identification...
2017: PloS One
https://www.readbyqxmd.com/read/28107500/diagnostic-efficacy-of-sentinel-lymph-node-biopsy-in-early-oral-squamous-cell-carcinoma-a-meta-analysis-of-66-studies
#10
Muyuan Liu, Steven J Wang, Xihong Yang, Hanwei Peng
OBJECTIVES: The diagnostic efficacy of sentinel lymph node biopsy(SLNB) in early oral squamous cell carcinoma(OSCC) still remains controversial. This meta-analysis was conducted to assess the diagnostic value of SLNB in clinically neck-negative T1-2 OSCC. METHODS: A systematic literature search for relevant literature published up to September 11, 2016 was conducted in PubMed, Embase, Web of Science, Cochrane Library and ClinicalTrials, and the reference lists of eligible studies were examined...
2017: PloS One
https://www.readbyqxmd.com/read/28107418/nf-kappab-is-involved-in-the-regulation-of-emt-genes-in-breast-cancer-cells
#11
Bruno R B Pires, Andre L Mencalha, Gerson M Ferreira, Waldemir F de Souza, José A Morgado-Díaz, Amanda M Maia, Stephany Corrêa, Eliana S F W Abdelhay
The metastatic process in breast cancer is related to the expression of the epithelial-to-mesenchymal transition transcription factors (EMT-TFs) SNAIL, SLUG, SIP1 and TWIST1. EMT-TFs and nuclear factor-κB (NF-κB) activation have been associated with aggressiveness and metastatic potential in carcinomas. Here, we sought to examine the role of NF-κB in the aggressive properties and regulation of EMT-TFs in human breast cancer cells. Blocking NF-κB/p65 activity by reducing its transcript and protein levels (through siRNA-strategy and dehydroxymethylepoxyquinomicin [DHMEQ] treatment) in the aggressive MDA-MB-231 and HCC-1954 cell lines resulted in decreased invasiveness and migration, a downregulation of SLUG, SIP1, TWIST1, MMP11 and N-cadherin transcripts and an upregulation of E-cadherin transcripts...
2017: PloS One
https://www.readbyqxmd.com/read/28107416/validation-of-a-modified-child-turcotte-pugh-classification-system-utilizing-insulin-like-growth-factor-1-for-patients-with-hepatocellular-carcinoma-in-an-hbv-endemic-area
#12
Dong Hyeon Lee, Jeong-Hoon Lee, Yong Jin Jung, Jungsoo Gim, Won Kim, Byeong Gwan Kim, Kook Lae Lee, Yuri Cho, Jeong-Ju Yoo, Minjong Lee, Young Youn Cho, Eun Ju Cho, Su Jong Yu, Yoon Jun Kim, Jung-Hwan Yoon
BACKGROUND: Recently, a modified insulin-like growth factor-1 (IGF)-Child-Turcotte-Pugh (CTP) classification was proposed to improve the original CTP classification. This study aimed to validate the new IGF-CTP classification system as a prognostic maker for patients with hepatocellular carcinoma (HCC) in a hepatitis B virus endemic area. METHODS: We conducted a post-hoc analysis of a prospective cohort study. We used Harrell's C-index and U-statistics to compare the prognostic performance of both IGF-CTP and CTP classifications for overall survival...
2017: PloS One
https://www.readbyqxmd.com/read/28107202/correlation-of-five-secretory-proteins-with-the-nasopharyngeal-carcinoma-metastasis-and-the-clinical-applications
#13
Ya Tao, Kun Wang, Zhen Chen, Lu Long, Qiong Wu, Facai Cui, Lepan Zhu, Manlin Xiang, Yuan Jiang, Yunlai Liang, Shiyang Qiu, Zhiqiang Xiao, Bin Yi
In our previous study, five different secretory proteins, including GSN, ADAMTSL4, CALR, PPIA and TXN, have been identified to be associated with the nasopharyngeal carcinoma (NPC) metastasis.In this work, the 5 proteins were further investigated. Bioinformatics analysis suggested that they might play an important role in the process of NPC development.Western blotting analysis showed that all of these 5 targets could be secreted into extracellular by both high metastatic NPC 5-8F cells and non-metastatic NPC 6-10B cells...
January 18, 2017: Oncotarget
https://www.readbyqxmd.com/read/28107195/a-new-hdac-inhibitor-cinnamoylphenazine-shows-antitumor-activity-in-association-with-intensive-macropinocytosis
#14
Bing-Yan Zhu, Bo-Yang Shang, Yue Du, Yi Li, Liang Li, Xian-Dong Xu, Yong-Su Zhen
Previous studies have shown that intensive macropinocytosis occurs in cancer cells and neutral red (NR) is noted for its capability to enter into the cell massively through a process mimetic to macropinocytosis. In addition, trans-cinnamic acid (tCA) has been found to be an inhibitor of histone deacetylase (HDAC). In the present study, cinnamoylphenazine (CA-PZ) that consists of NR and tCA moieties was synthesized and evaluated. As shown, CA-PZ massively entered into colon carcinoma HT-29 cells and pancreatic carcinoma MIA PaCa-2 cells and this entry was blocked by 5-(N-ethyl-N-isopropyl) amiloride (EIPA, an inhibitor of macropinocytosis), indicating a macropinocytosis-mediated uptake...
January 18, 2017: Oncotarget
https://www.readbyqxmd.com/read/28107179/nuclear-prmt5-cyclin-d1-and-il-6-are-associated-with-poor-outcome-in-oropharyngeal-squamous-cell-carcinoma-patients-and-is-inversely-associated-with-p16-status
#15
Bhavna Kumar, Arti Yadav, Nicole V Brown, Songzhu Zhao, Michael J Cipolla, Paul E Wakely, Alessandra C Schmitt, Robert A Baiocchi, Theodoros N Teknos, Matthew Old, Pawan Kumar
Protein arginine methyltransferase-5 (PRMT5) plays an important role in cancer progression by repressing the expression of key tumor suppressor genes via the methylation of transcriptional factors and chromatin-associated proteins. However, very little is known about the expression and biological role of PRMT5 in head and neck cancer. In this study, we examined expression profile of PRMT5 at subcellular levels in oropharyngeal squamous cell carcinoma (OPSCC) and assessed its correlation with disease progression and patient outcome...
January 17, 2017: Oncotarget
https://www.readbyqxmd.com/read/28107094/dynamic-volume-assessment-of-hepatocellular-carcinoma-in-rat-livers-using-a-clinical-3t-mri-and-novel-segmentation
#16
Lorenzo A Orci, Graziano Oldani, Stephanie Lacotte, Florence Slits, Iris Friedli, Wolfgang Wirth, Christian Toso, Jean-Paul Vallée, Lindsey A Crowe
PURPOSE: In vivo liver cancer research commonly uses rodent models. One of the limitations of such models is the lack of accurate and reproducible endpoints for a dynamic assessment of growing tumor nodules. The aim of this study was to validate a noninvasive, true volume segmentation method using two rat hepatocellular carcinoma (HCC) models, correlating magnetic resonance imaging (MRI) with histological volume measurement, and with blood levels of α-fetoprotein. MATERIALS AND METHODS: We used 3T clinical MRI to quantify tumor volume with follow-up over time...
January 20, 2017: Journal of Investigative Surgery: the Official Journal of the Academy of Surgical Research
https://www.readbyqxmd.com/read/28106991/discovery-of-a-phosphoinositide-3-kinase-pi3k-b-d-inhibitor-for-the-treatment-of-phosphatase-and-tensin-homolog-pten-deficient-tumors-building-pi3kb-potency-in-a-pi3kd-selective-template-by-targeting-non-conserved-asp856
#17
Stéphane Perreault, Jayaraman Chandrasekhar, Zhi-Hua Cui, Jerry B Evarts, Jia Hao, Joshua A Kaplan, Adam Kashishian, Kathleen S Keegan, Thomas Kenney, David J Koditek, Latesh Lad, Eve-Irene Lepist, Mary E McGrath, Leena Patel, Bart Phillips, Joseph Therrien, Jennifer Treiberg, Anella Yahiaoui, Gary Phillips
Phosphoinositide 3-kinase (PI3K) beta signaling is required to sustain cancer cell growth in which the tumor suppressor phosphatase and tensin homolog (PTEN) has been deactivated. This manuscript describes the discovery, optimization, and in vivo evaluation of a novel series of PI3Kbeta/delta inhibitors in which PI3Kbeta potency was built in a PI3Kdelta-selective template. This work led to the discovery of a highly selective PI3Kbeta/delta inhibitor displaying excellent pharmacokinetic profile and efficacy in a human PTEN-deficient LNCaP prostate carcinoma xenograft tumor model...
January 20, 2017: Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28106950/confocal-laser-endomicroscopy-in-head-and-neck-malignancies-using-fitc-labelled-epcam-and-egf-r-antibodies-in-cell-lines-and-tumor-biopsies
#18
Anna S Englhard, Alexander Palaras, Veronika Volgger, Herbert Stepp, Brigitte Mack, Darko Libl, Olivier Gires, Christian S Betz
Intraoperative detection of residual malignant cells at tumor margins following excision of primary tumors could help improving surgery and thus patients' outcome. The feasibility of the tumor antigens epidermal growth factor receptor (EGF-R) and epithelial cell adhesion molecule (EpCAM) for antibody-dependent confocal laser scanning endomicroscopy (CLE)-mediated visualization of malignant cells was addressed. Both tumor antigens are highly and frequently expressed in the majority of carcinomas, including head and neck squamous cell carcinomas (HNSCC), and represent prognostic and therapeutic tumor target molecules...
January 20, 2017: Journal of Biophotonics
https://www.readbyqxmd.com/read/28106938/vascular-endothelial-growth-factor-targeted-paclitaxel-loaded-liposome-microbubbles-and-inhibition-of-human-epidermoid-2-cell-proliferation
#19
Lian Zhou, Wenlong Luo
BACKGROUND: Vascular endothelial growth factor (VEGF) plays an important role in the formation of capillary blood vessels. The purpose of this study was to evaluate the inhibitory effect of VEGF-targeted paclitaxel (PTX)-loaded liposome microbubbles (VTPLLMs) on the proliferation of human epidermoid (Hep-2) laryngeal squamous cell carcinoma (SCC). METHODS: Six groups were randomly divided. The inhibitory effects on Hep-2 proliferation were assessed by a methylthiazol tetrazolium (MTT) method...
January 20, 2017: Head & Neck
https://www.readbyqxmd.com/read/28106928/diagnostic-considerations-for-cholestatic-liver-disease
#20
REVIEW
Galia Pollock, Gerald Y Minuk
Cholestatic liver disease results from insufficient bile synthesis, secretion and/or flow through the biliary tract. Common presenting features include fatigue, pruritus and cholestatic liver enzyme abnormalities wherein elevations of serum alkaline phosphatase and gamma-glutamyltransferases levels exceed those of alanine and aspartate aminotransferases. With prolonged cholestasis, fat soluble vitamin deficiencies, fibrosis, cirrhosis and on occasion, carcinoma of the biliary tract or liver can occur. Once mechanical obstruction to bile flow has been ruled out, the majority of causes can be classified as immune-mediated, infectious or miscellaneous...
January 20, 2017: Journal of Gastroenterology and Hepatology
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