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Translational Oncology

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https://www.readbyqxmd.com/read/29035731/postoperative-adjuvant-sorafenib-or-sunitinib-for-nonmetastatic-renal-cell-carcinoma-with-venous-tumor-thrombus-a-prospective-cohort-study
#1
Liangyou Gu, Hongzhao Li, Luyao Chen, Xintao Li, Baojun Wang, Qingbo Huang, Fan Zhang, Yang Fan, Yu Gao, Cheng Peng, Xin Ma, Xu Zhang
PURPOSE: To evaluate the efficacy and safety of antiangiogenic agents (sorafenib and sunitinib) as postoperative adjuvant therapy in patients with nonmetastatic renal cell carcinoma (RCC) and venous tumor thrombus (VTT). MATERIAL AND METHODS: From March 2006 to January 2016, 147 patients who met the inclusion criteria were enrolled; 27 patients received sorafenib, and 17 patients received sunitinib. After radical nephrectomy and thrombectomy, the duration of maintenance targeted medication treatment was approximately 1 year...
October 13, 2017: Translational Oncology
https://www.readbyqxmd.com/read/29031130/a-validated-prognostic-biomarker-score-for-adult-patients-with-nonmetastatic-soft-tissue-sarcomas-of-the-trunk-and-extremities
#2
Katja Maretty-Kongstad, Ninna Aggerholm-Pedersen, Johnny Keller, Akmal Safwat
BACKGROUND: The prognostic value of serum biomarkers in soft tissue sarcoma (STS) is limited, and its clinical applicability is compromised by a common inability to adjust for important confounders. The aim of this study was to determine the prognostic value of pretreatment biomarkers on disease-specific survival (DSS) adjusted for confounders. METHODS: The study included 818 patients with localized STS. Pretreatment levels of albumin, C-reactive protein, hemoglobin, neutrophils, and lymphocytes were tested individually and combined in prognostic scores: neutrophil/lymphocyte ratio (NLR), Glasgow Prognostic Score (GPS), and Aarhus Composite Biomarker Score (ACBS) which includes all five biomarkers...
October 11, 2017: Translational Oncology
https://www.readbyqxmd.com/read/29024823/genetic-variations-of-gwas-identified-genes-and-neuroblastoma-susceptibility-a-replication-study-in-southern-chinese-children
#3
Jing He, Yan Zou, Tongmin Wang, Ruizhong Zhang, Tianyou Yang, Jinhong Zhu, Fenghua Wang, Huimin Xia
Neuroblastoma is one of the most commonly diagnosed solid cancers for children, and genetic factors may play a critical role in neuroblastoma development. Previous genome-wide association studies (GWASs) have identified nine genes associated with neuroblastoma susceptibility in Caucasians. To determine whether genetic variations in these genes are also associated with neuroblastoma susceptibility in Southern Chinese children, we genotyped 25 polymorphisms within these genes by the TaqMan method in 256 cases and 531 controls...
October 9, 2017: Translational Oncology
https://www.readbyqxmd.com/read/29024822/pubertally-initiated-high-fat-diet-promotes-mammary-tumorigenesis-in-obesity-prone-fvb-mice-similarly-to-obesity-resistant-balb-c-mice
#4
Yirong Zhu, Mark D Aupperlee, Sandra Z Haslam, Richard C Schwartz
Premenopausal breast cancer is associated with increased animal fat consumption among normal-weight but not overweight women. Our previous findings in obesity-resistant BALB/c mice showed that a diet high in saturated animal fat (HFD) promotes mammary tumorigenesis in both DMBA carcinogenesis and Trp53-null transplant models. Having made these observations in BALB/c mice, which have very modest HFD weight gain, we determined the effects of HFD in FVB mice, which gain significant weight on HFD. Three-week-old FVB mice fed a low-fat diet or HFD were subjected to 7,12-dimethylbenz[a]anthracene-induced carcinogenesis...
October 9, 2017: Translational Oncology
https://www.readbyqxmd.com/read/28992545/downregulation-of-sirt2-inhibits-invasion-of-hepatocellular-carcinoma-by-inhibiting-energy-metabolism
#5
Shan Huang, Zhenguo Zhao, Dehua Tang, Qian Zhou, Yang Li, Lixing Zhou, Yuyao Yin, Yuming Wang, Yida Pan, Robert Gregory Dorfman, Tingsheng Ling, Mingming Zhang
Hepatocellular carcinoma (HCC) is one of the most common neoplasms, and metastasis is the most important feature for HCC-related deaths. Mounting evidence implies the dynamic regulatory role of SIRT2, a histone deacetylase, in cancer cells. Unfortunately, the role of SIRT2 and the antitumor activity of its inhibition are not known in HCC. The present study aims to evaluate the biological function of SIRT2 in HCC and identify the target of SIRT2 as well as evaluate its therapeutic efficacy. We found that SIRT2 was upregulated in HCC tissues compared to adjacent normal tissues, and this was correlated with reduced patient survival...
October 6, 2017: Translational Oncology
https://www.readbyqxmd.com/read/28987630/mri-texture-analysis-reflects-histopathology-parameters-in-thyroid-cancer-a-first-preliminary-study
#6
Hans-Jonas Meyer, Stefan Schob, Anne Kathrin Höhn, Alexey Surov
OBJECT: Thyroid cancer represents the most frequent malignancy of the endocrine system with an increasing incidence worldwide. Novel imaging techniques are able to further characterize tumors and even predict histopathology features. Texture analysis is an emergent imaging technique to extract extensive data from an radiology images. The present study was therefore conducted to identify possible associations between texture analysis and histopathology parameters in thyroid cancer. METHODS: The radiological database was retrospectively reviewed for thyroid carcinoma...
October 5, 2017: Translational Oncology
https://www.readbyqxmd.com/read/28946110/contrast-enhancement-on-cone-beam-breast-ct-for-discrimination-of-breast-cancer-immunohistochemical-subtypes
#7
Johannes Uhlig, Uwe Fischer, Eva von Fintel, Vera Stahnke, Christina Perske, Joachim Lotz, Susanne Wienbeck
PURPOSE: To evaluate whether contrast enhancement on cone-beam breast-CT (CBBCT) could aid in discrimination of breast cancer subtypes and receptor status. METHODS: This study included female patients age >40 years with malignant breast lesions identified on contrast-enhanced CBBCT. Contrast enhancement of malignant breast lesions was standardized to breast fat tissue contrast enhancement. All breast lesions were approved via image-guided biopsy or surgery. Immunohistochemical staining was conducted for expression of estrogen (ER), progesterone (PR), human epidermal growth factor receptor-2 (HER2) and Ki-67 index...
September 22, 2017: Translational Oncology
https://www.readbyqxmd.com/read/28942218/characterization-of-metabolic-diffusion-and-perfusion-properties-in-gbm-contrast-enhancing-versus-non-enhancing-tumor
#8
Adam Autry, Joanna J Phillips, Stojan Maleschlijski, Ritu Roy, Annette M Molinaro, Susan M Chang, Soonmee Cha, Janine M Lupo, Sarah J Nelson
BACKGROUND: Although the contrast-enhancing (CE) lesion on T1-weighted MR images is widely used as a surrogate for glioblastoma (GBM), there are also non-enhancing regions of infiltrative tumor within the T2-weighted lesion, which elude radiologic detection. Because non-enhancing GBM (Enh-) challenges clinical patient management as latent disease, this study sought to characterize ex vivo metabolic profiles from Enh- and CE GBM (Enh+) samples, alongside histological and in vivo MR parameters, to assist in defining criteria for estimating total tumor burden...
September 21, 2017: Translational Oncology
https://www.readbyqxmd.com/read/28930698/2d-and-3d-ct-radiomics-features-prognostic-performance-comparison-in-non-small-cell-lung-cancer
#9
Chen Shen, Zhenyu Liu, Min Guan, Jiangdian Song, Yucheng Lian, Shuo Wang, Zhenchao Tang, Di Dong, Lingfei Kong, Meiyun Wang, Dapeng Shi, Jie Tian
OBJECTIVE: To compare 2D and 3D radiomics features prognostic performance differences in CT images of non-small cell lung cancer (NSCLC). METHOD: We enrolled 588 NSCLC patients from three independent cohorts. Two sets of 463 patients from two different institutes were used as the training cohort. The remaining cohort with 125 patients was set as the validation cohort. A total of 1014 radiomics features (507 2D features and 507 3D features correspondingly) were assessed...
September 17, 2017: Translational Oncology
https://www.readbyqxmd.com/read/28926745/microrna-30e-functions-as-a-tumor-suppressor-in-cervical-carcinoma-cells-through-targeting-galnt7
#10
Huijuan Wu, Jun Chen, Dan Li, Xiangyu Liu, Lei Li, Ke Wang
Cervical cancer is the third most common cancer in women worldwide. However, the underlying mechanism of occurrence and development of cervical cancer is obscure. In this study, we observed that miR-30e was downregulated in clinical cervical cancer tissues and cervical cancer cells. Next, overexpression of miR-30e reduced the cervical cancer cell growth through MTT, colony formation, EdU, and Transwell assay in SiHa and Caski cells. Subsequently, UDP-N-acetyl-D-galactosamine: polypeptide N-acetylgalactosaminyltransferase 7 (GALNT7) was identified as a potential miR-30e target by bioinformatics analysis...
September 16, 2017: Translational Oncology
https://www.readbyqxmd.com/read/28918350/expression-and-functional-characterization-of-the-bnip3-protein-in-renal-cell-carcinomas
#11
Stephan Macher-Goeppinger, Martina Keith, Gencay Hatiboglu, Markus Hohenfellner, Peter Schirmacher, Wilfried Roth, Katrin E Tagscherer
BNIP3 (Bcl-2/adenovirus E1B 19-kDa interacting protein 3) is a BH3-only protein that regulates apoptosis and autophagy. BNIP3 plays also an important role in hypoxia-induced cell response and is regulated by HIF1. Here, we studied a possible association of BNIP3 expression and the prognosis of patients with renal cell carcinomas (RCCs) and examined the functional relevance of BNIP3 in the regulation of cell survival and apoptosis of renal carcinoma cells. BNIP3 expression was determined by immunohistochemistry in RCC tumor tissue samples of 569 patients using a tissue microarray...
September 14, 2017: Translational Oncology
https://www.readbyqxmd.com/read/28942220/corrigendum-to-clinical-features-of-brain-metastases-in-small-cell-lung-cancer-an-implication-for-hippocampal-sparing-whole-brain-radiation-therapy-transl-oncol-10-1-2017-54-58
#12
Wen-Long Guo, Zhen-Yu He, Yue Chen, Dong Zhou, Kai Tang, Peng Wang, Sheng-Quan Zhan, San-Gang Wu
No abstract text is available yet for this article.
October 2017: Translational Oncology
https://www.readbyqxmd.com/read/28886403/increased-mapk1-3-phosphorylation-in-luminal-breast-cancer-related-with-pik3ca-hotspot-mutations-and-prognosis
#13
Diana Ramirez-Ardila, A Mieke Timmermans, Jean A Helmijr, John W M Martens, Els M J J Berns, Maurice P H M Jansen
INTRODUCTION: While mutations in PIK3CA are most frequently (45%) detected in luminal breast cancer, downstream PI3K/AKT/mTOR pathway activation is predominantly observed in the basal subtype. The aim was to identify proteins activated in PIK3CA mutated luminal breast cancer and the clinical relevance of such a protein in breast cancer patients. MATERIALS AND METHODS: Expression levels of 171 signaling pathway (phospho-)proteins established by The Cancer Genome Atlas (TCGA) using reverse phase protein arrays (RPPA) were in silico examined in 361 breast cancers for their relation with PIK3CA status...
October 2017: Translational Oncology
https://www.readbyqxmd.com/read/28881260/activation-status-of-receptor-tyrosine-kinases-as-an-early-predictive-marker-of-response-to-chemotherapy-in-osteosarcoma
#14
Parunya Chaiyawat, Jeerawan Klangjorhor, Jongkolnee Settakorn, Voraratt Champattanachai, Areerak Phanphaisarn, Pimpisa Teeyakasem, Jisnuson Svasti, Dumnoensun Pruksakorn
Receptor tyrosine kinases (RTKs) are membrane receptors that play a vital role in various biological processes, in particular, cell survival, cell proliferation, and cell differentiation. These cellular processes are composed of multitiered signaling cascades of kinases starting from ligand binding to extracellular domains of RTKs that activate the entire pathways through tyrosine phosphorylation of the receptors and downstream effectors. A previous study reported that, based on proteomics data, RTKs were a major candidate target for osteosarcoma...
October 2017: Translational Oncology
https://www.readbyqxmd.com/read/28866260/spatiotemporal-optoacoustic-mapping-of-tumor-hemodynamics-in-a-clinically-relevant-orthotopic-rabbit-model-of-head-and-neck-cancer
#15
Laurie J Rich, Sandra Sexton, Leslie Curtin, Mukund Seshadri
The purpose of this study was to investigate the usefulness of photoacoustic imaging (PAI) for spatiotemporal mapping of tumor hemodynamics in a rabbit model of head and neck carcinoma. Shope cottontail rabbit papilloma virus associated VX2 carcinomas were established in adult male New Zealand White rabbits (n = 9) by surgical transplantation of tumor tissue in the neck. Noninvasive PAI with co-registered ultrasound (US) was performed to longitudinally monitor tumor growth, oxygen saturation (%sO2), and hemoglobin concentration (HbT)...
October 2017: Translational Oncology
https://www.readbyqxmd.com/read/28866259/intravoxel-incoherent-motion-diffusion-weighted-imaging-evaluation-of-the-differentiation-of-solid-hepatic-lesions
#16
Ma Luo, Ling Zhang, Xin-Hua Jiang, Wei-Dong Zhang
PURPOSE: To evaluate whether intravoxel incoherent motion (IVIM)-related parameters could be used to differentiate malignant from benign focal liver lesions (FLLs) and to improve diagnostic efficiency. METHODS: Seventy-four patients with 75 lesions, including 51 malignant FLLs and 24 benign FLLs, underwent liver 3.0-T magnetic resonance imaging for routine examination sequences. IVIM diffusion-weighted imaging (DWI) with 11 b values (0-800s/mm(2)) was also acquired concurrently...
October 2017: Translational Oncology
https://www.readbyqxmd.com/read/28863287/proving-of-a-mathematical-model-of-cell-calculation-based-on-apparent-diffusion-coefficient
#17
Alexey Surov, Nikita Garnov
OBJECTIVES: Recently, Atuegwu et al. proposed a mathematical model based on ADCmean and ADCmin to calculation of cellularity. Our purpose was to compare the calculated cellularity according to the formula with the estimated cell count by histopathology in different tumors. METHODS: For this study, we re-analyzed our previous data regarding associations between ADC parameters and histopathological findings. Overall, 134 patients with different tumors were acquired for the analysis...
October 2017: Translational Oncology
https://www.readbyqxmd.com/read/28846937/a-novel-imp1-inhibitor-btynb-targets-c-myc-and-inhibits-melanoma-and-ovarian-cancer-cell-proliferation
#18
Lily Mahapatra, Neal Andruska, Chengjian Mao, Jeremy Le, David J Shapiro
The oncofetal mRNA-binding protein, IMP1 or insulin-like growth factor-2 mRNA-binding protein 2 (IGF2BP1), binds to and stabilizes c-Myc, β-TrCP1, and other oncogenic mRNAs, leading to increased expression of the proteins encoded by its target mRNAs. IMP1 is frequently overexpressed in cancer and is strongly correlated with a poor prognosis and reduced survival in melanoma, ovarian, breast, colon, and lung cancer. While IMP1 is an attractive anticancer drug target, there are no small molecule inhibitors of IMP1...
October 2017: Translational Oncology
https://www.readbyqxmd.com/read/28844019/the-functional-roles-of-the-mdm2-splice-variants-p2-mdm2-10-and-mdm2-%C3%A2-5-in-breast-cancer-cells
#19
Johanna Huun, Liv B Gansmo, Bård Mannsåker, Gjertrud T Iversen, Jan Sommerfelt-Pettersen, Jan Inge Øvrebø, Per E Lønning, Stian Knappskog
BACKGROUND: MDM2 is a negative regulator of p53 and is upregulated in numerous human cancers. While different MDM2 splice variants have been observed in both normal tissues and malignant cells, their functions are poorly understood. METHODS: We evaluated the effect of MDM2 splice variants by overexpression in MCF-7 cells and analyses of expression of downstream genes (qPCR and Western blot), subcellular localization (immunofluorescence), cell cycle assays (Nucleocounter3000), apoptosis analysis (Annexin V detection), and induction of senescence (β-galactosidase analysis)...
October 2017: Translational Oncology
https://www.readbyqxmd.com/read/28844018/induction-chemotherapy-has-no-prognostic-value-in-patients-with-locoregionally-advanced-nasopharyngeal-carcinoma-and-chronic-hepatitis-b-infection-in-the-imrt-era
#20
Lu-Lu Zhang, Guan-Qun Zhou, Yang-Chan Li, Ai-Hua Lin, Jun Ma, Zhen-Yu Qi, Ying Sun
BACKGROUND: The effectiveness of induction chemotherapy (IC) followed by concurrent chemoradiotherapy (CCRT) over CCRT alone in patients with locoregionally advanced nasopharyngeal carcinoma (NPC) and chronic hepatitis B infection in the intensity-modulated radiotherapy (IMRT) era is unknown. PATIENTS AND METHODS: A total of 249 patients with stage T1-2 N2-3 or T3-4 N1-3 NPC and chronic hepatitis B infection treated with IMRT were retrospectively reviewed. Propensity score matching (PSM) was employed to balance covariates; 140 patients were propensity-matched (1:1 basis)...
October 2017: Translational Oncology
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