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https://www.readbyqxmd.com/read/28735111/screening-disrupted-molecular-functions-and-pathways-associated-with-clear-cell-renal-cell-carcinoma-using-gibbs-sampling
#1
Ning Nan, Qi Chen, Yu Wang, Xu Zhai, Chuan-Ce Yang, Bin Cao, Tie Chong
OBJECTIVE: To explore the disturbed molecular functions and pathways in clear cell renal cell carcinoma (ccRCC) using Gibbs sampling. METHODS: Gene expression data of ccRCC samples and adjacent non-tumor renal tissues were recruited from public available database. Then, molecular functions of expression changed genes in ccRCC were classed to Gene Ontology (GO) project, and these molecular functions were converted into Markov chains. Markov chain Monte Carlo (MCMC) algorithm was implemented to perform posterior inference and identify probability distributions of molecular functions in Gibbs sampling...
July 13, 2017: Computational Biology and Chemistry
https://www.readbyqxmd.com/read/28734596/developments-in-urologic-oncology-%C3%A2-oncoforum%C3%A2-the-best-of-2016
#2
F Gómez-Veiga, A Alcaraz-Asensio, J Burgos-Revilla, J M Cózar-Olmo
OBJECTIVE: To put forth new findings of urologic oncology with impact on clinical practice presented during 2016 in the main annual meetings. ACQUISITION OF EVIDENCE: This document reviews abstracts on prostate, kidney and bladder cancer presented at the congresses of 2016 (EAU, AUA, ASCO, ESMO and ASTRO) and publications with the highest impact in this period valued with the highest scores by the OncoForum committee. SYNTHESIS OF EVIDENCE: In High-Risk Renal-Cell carcinoma after nephrectomy, disease-free survival was significantly greater for sunitinib than placebo group, with adverse events more frequents...
July 19, 2017: Actas Urologicas Españolas
https://www.readbyqxmd.com/read/28734029/successful-treatment-of-metastatic-clear-cell-carcinoma-with-nivolumab-in-a-patient-receiving-dialysis-treatment
#3
Tadashi Tabei, Ichiro Natsume, Kazuki Kobayashi
The efficacy and safety of nivolumab for patients receiving dialysis treatment has not been established yet. Herein, we describe a patient on dialysis successfully treated with nivolumab as seventh-line therapy for metastatic renal cell carcinoma. Before initiating nivolumab, he had respiratory discomfort induced by a lesion occluding the left intermediate bronchus that originated from the metastatic lymph node behind the tracheal bifurcation. Four weeks after nivolumab was initiated, his symptom remarkably improved, and the occlusion disappeared according to the bronchoscopy examination...
July 21, 2017: International Journal of Urology: Official Journal of the Japanese Urological Association
https://www.readbyqxmd.com/read/28733795/early-response-of-c-reactive-protein-as-a-predictor-of-survival-in-patients-with-metastatic-renal-cell-carcinoma-treated-with-tyrosine-kinase-inhibitors
#4
Yosuke Yasuda, Kazutaka Saito, Takeshi Yuasa, Sho Uehara, Naoko Kawamura, Minato Yokoyama, Junichiro Ishioka, Yoh Matsuoka, Shinya Yamamoto, Tetsuo Okuno, Junji Yonese, Kazunori Kihara, Yasuhisa Fujii
BACKGROUND: Pretreatment C-reactive protein (CRP) has been shown to be an independent prognostic factor for metastatic renal cell carcinoma (mRCC) treated with tyrosine kinase inhibitors (TKIs). We further evaluated the early response of CRP after the initiation of TKIs. METHODS: A total of 103 patients (80 men and 23 women) were treated with TKIs for mRCC from 2008-2013. Patients were divided into three groups according to their early CRP kinetics-patients whose baseline CRP levels were <10 mg/L (non-elevated), patients whose baseline CRP levels were ≥10 mg/L and had decreased by >20% at 4 weeks after the initiation of TKIs (early CRP responder), and the remaining patients (non-early CRP responder)...
July 21, 2017: International Journal of Clinical Oncology
https://www.readbyqxmd.com/read/28733520/the-ketogenic-diet-is-not-feasible-as-a-therapy-in-a-cd-1-nu-nu-mouse-model-of-renal-cell-carcinoma-with-features-of-stauffer-s-syndrome
#5
Silvia Vidali, Sepideh Aminzadeh-Gohari, René Günther Feichtinger, Renaud Vatrinet, Andreas Koller, Felix Locker, Tricia Rutherford, Maura O'Donnell, Andrea Stöger-Kleiber, Bridget Lambert, Thomas Klaus Felder, Wolfgang Sperl, Barbara Kofler
The ketogenic diet (KD), a high-fat low-carbohydrate diet, has shown some efficacy in the treatment of certain types of tumors such as brain tumors and neuroblastoma. These tumors are characterized by the Warburg effect. Because renal cell carcinoma (RCC) presents similar energetic features as neuroblastoma, KD might also be effective in the treatment of RCC. To test this, we established xenografts with RCC 786-O cells in CD-1 nu/nu mice and then randomized them to a control diet or to KDs with different triglyceride contents...
July 17, 2017: Oncotarget
https://www.readbyqxmd.com/read/28733426/frameshift-indels-generate-highly-immunogenic-tumor-neoantigens
#6
(no author information available yet)
Renal clear cell carcinomas have the highest proportion of indels, which are linked to immune activation.
July 21, 2017: Cancer Discovery
https://www.readbyqxmd.com/read/28733204/the-polymorphism-xrcc1-arg194trp-and-8-hydroxydeoxyguanosine-increased-susceptibility-to-arsenic-related-renal-cell-carcinoma
#7
Yu-Mei Hsueh, Ying-Chin Lin, Wei-Jen Chen, Chao-Yuan Huang, Horng-Sheng Shiue, Yeong-Shiau Pu, Chi-Hung Chen, Chien-Tien Su
This study was designed to explore the relationship between X-ray repair cross-complementing group 1 (XRCC1) gene polymorphisms and renal cell carcinoma (RCC) and to investigate whether individuals with an XRCC1 risk genotype, a high level of 8-OHdG or a high urinary total arsenic concentration have a modified odds ratio (OR) of RCC. We recruited 180 RCC patients and 360 age- and sex-matched controls from a hospital-based pool. Image-guided biopsy or surgical resection of renal tumors was performed on RCC patients for pathological verification...
July 18, 2017: Toxicology and Applied Pharmacology
https://www.readbyqxmd.com/read/28731496/prognostic-factors-for-survival-in-metastatic-renal-cell-carcinoma-patients-with-brain-metastases-receiving-targeted-therapy
#8
Ibrahim Yildiz, Ahmet Bilici, Nuri Karadurmuş, Leyla Ozer, Deniz Tural, Mehmet A Kaplan, Tülay Akman, Ibrahim V Bayoglu, Mükremin Uysal, Yaşar Yildiz, Özgür Tanriverdi, Ozan Yazici, Zeki Sürmeli, Nazim Serdar Turhal, Sevil Bavbek, Fatih Selçukbiricik, Doğan Koca, Mert Basaran
BACKGROUND: The primary objective of our study was to examine the clinical outcomes and prognosis of patients with metastatic renal cell carcinoma (mRCC) with brain metastases (BMs) receiving targeted therapy. PATIENTS AND METHODS: Fifty-eight patients from 16 oncology centers for whom complete clinical data were available were retrospectively reviewed. RESULTS: The median age was 57 years (range 30-80). Most patients underwent a nephrectomy (n = 41; 70...
July 14, 2017: Tumori
https://www.readbyqxmd.com/read/28731045/renal-cell-tumors-with-clear-cell-histology-and-intact-vhl-and-chromosome-3p-a-histological-review-of-tumors-from-the-cancer-genome-atlas-database
#9
Laura Favazza, Dhananjay A Chitale, Ravi Barod, Craig G Rogers, Shanker Kalyana-Sundaram, Nallasivam Palanisamy, Nilesh S Gupta, Sean R Williamson
Clear cell renal cell carcinoma is by far the most common form of kidney cancer; however, a number of histologically similar tumors are now recognized and considered distinct entities. The Cancer Genome Atlas published data set was queried (http://cbioportal.org) for clear cell renal cell carcinoma tumors lacking VHL gene mutation and chromosome 3p loss, for which whole-slide images were reviewed. Of the 418 tumors in the published Cancer Genome Atlas clear cell renal cell carcinoma database, 387 had VHL mutation, copy number loss for chromosome 3p, or both (93%)...
July 21, 2017: Modern Pathology: An Official Journal of the United States and Canadian Academy of Pathology, Inc
https://www.readbyqxmd.com/read/28728992/retroperitoneal-lymphadenectomy-in-high-risk-non-metastatic-renal-cell-carcinoma-an-analysis-of-the-assure-ecog-acrin-2805-adjuvant-trial
#10
Benjamin T Ristau, Judi Manola, Naomi B Haas, Daniel Y C Heng, Edward M Messing, Christopher G Wood, Christopher J Kane, Robert S DiPaola, Robert G Uzzo
PURPOSE: Lymphadenectomy (LND) is a well-established practice in many urologic malignancies; however, its role in renal cell carcinoma (RCC) is less clear. Our primary objective was to determine whether LND impacted survival in patients with fully resected high-risk RCC. PATIENTS AND METHODS: Patients with fully resected high-risk, non-metastatic RCC were randomized to adjuvant sorafenib, sunitinib, or placebo in the Adjuvant Sorafenib and Sunitinib for Unfavorable Renal Carcinoma (ASSURE) trial...
July 17, 2017: Journal of Urology
https://www.readbyqxmd.com/read/28728748/metastatic-renal-cell-carcinoma-patterns-and-predictors-of-metastases-a-contemporary-population-based-series
#11
Thenappan Chandrasekar, Zachary Klaassen, Hanan Goldberg, Girish S Kulkarni, Robert J Hamilton, Neil E Fleshner
OBJECTIVE: To assess the patterns and predictors of metastatic disease in renal cell carcinoma (RCC) at the time of diagnosis in a contemporary series. METHODS: The Surveillance, Epidemiology, and End Results database was queried for all patients with kidney RCC from 2010 to 2013 (N = 50,815). Distribution and predictors of distant metastases at diagnosis were assessed. Multivariate logistic regression hazard analyses were performed to determine covariates associated with the likelihood of having metastases at diagnosis, whereas competing risks regression analysis was used to assess predictors of cancer-specific mortality (CSM) in patients with metastatic disease...
July 17, 2017: Urologic Oncology
https://www.readbyqxmd.com/read/28727768/benign-and-tumor-parenchyma-metabolomic-profiles-affect-compensatory-renal-growth-in-renal-cell-carcinoma-surgical-patients
#12
Barak Rosenzweig, Nimrod D Rubinstein, Ed Reznik, Roman Shingarev, Krishna Juluru, Oguz Akin, James J Hsieh, Edgar A Jaimes, Paul Russo, Katalin Susztak, Jonathan A Coleman, A Ari Hakimi
BACKGROUND AND OBJECTIVES: Pre-operative kidney volume is an independent predictor of glomerular filtration rate in renal cell carcinoma patients. Compensatory renal growth (CRG) can ensue prior to nephrectomy in parallel to tumor growth and benign parenchyma loss. We aimed to test whether renal metabolite abundances significantly associate with CRG, suggesting a causative relationship. DESIGN, SETTING, PARTICIPANTS, AND MEASUREMENTS: Tissue metabolomics data from 49 patients, with a median age of 60 years, were previously collected and the pre-operative fold-change of their contra to ipsi-lateral benign kidney volume served as a surrogate for their CRG...
2017: PloS One
https://www.readbyqxmd.com/read/28727378/anastomosing-hemangioma-simulating-renal-cell-carcinoma
#13
Mariana Athaniel Silva, Eduardo Kaiser Ururahy Nunes Fonseca, Fernando Ide Yamauchi, Ronaldo Hueb Baroni
The anastomosing hemangioma is a recent described rare variant, which histologically simulates an angiosarcoma and occurs primarily in the genitourinary tract. We present a case of renal anastomosing hemangioma from a radiologic perspective, describing its imaging features and reviewing its presentation and management.
June 14, 2017: International Braz J Urol: Official Journal of the Brazilian Society of Urology
https://www.readbyqxmd.com/read/28727370/serum-tissue-factor-as-a-biomarker-for-renal-clear-cell-carcinoma
#14
Daniel D'Oliveira Silva, Jorge A P Noronha, Bartira E Pinheiro da Costa, Pedro Caetano Edler Zandona, Gustavo F Carvalhal
PURPOSE: to determine the usefulness of serum TF as a potential marker for patients with clear cell RCC. MATERIALS AND METHODS: prospective study of 30 patients with clear cell RCC submitted to nephrectomy and 16 controls without clear cell RCC treated surgically for other conditions. TF is a endothelium marker that was correlated with worse prognosis in a variety of solid tumors including RCC. Serum TF was collected before surgery at the operating room and in the postoperative setting after at least four weeks...
June 14, 2017: International Braz J Urol: Official Journal of the Brazilian Society of Urology
https://www.readbyqxmd.com/read/28726505/renal-angiomyolipoma-radiologic-classification-and-imaging-features-according-to-the-amount-of-fat
#15
Byung Kwan Park
OBJECTIVE: The purposes of this article are to introduce the radiologic classifications of renal angiomyolipoma (AML) and the clinical implications, to show the imaging features of each type of AML, and to describe which types of AML should be biopsied. CONCLUSION: Renal AML can be classified according to amount of fat as fat rich, fat poor, or fat invisible. To detect fat, one needs to thoroughly evaluate the entire AML by controlling the size and shape of the ROI...
July 20, 2017: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/28726105/changes-in-levels-of-metabolic-pathway-gene-expression-under-conditions-of-clear-cell-renal-carcinoma
#16
V Yu Bashmakov, T M Gorbacheva, A V Panevina, S A Solodskikh, I P Moshurov, A A Mikhaylov, A Yu Maslov, V N Popov
A whole-transcriptome analysis of gene expression in six samples of clear cell renal cancer was performed. Using bioinformatics methods, we established a relationship between gene expression data and changes in activity of metabolic pathways: in this cancer type, the expression of genes involved in the metabolism of carbohydrates, lipids, and amino acids as well as in energy metabolism changed most significantly.
May 2017: Doklady. Biochemistry and Biophysics
https://www.readbyqxmd.com/read/28725587/multi-parametric-mri-imaging-of-the-prostate-implications-for-focal-therapy
#17
REVIEW
James S Wysock, Herbert Lepor
The primary goal of a focal therapy treatment paradigm is to achieve cancer control through targeted tissue destruction while simultaneously limiting deleterious effects on peri-prostatic structures. Focal therapy approaches are employed in several oncologic treatment protocols, and have been shown to provide equivalent cancer control for malignancies such as breast cancer and renal cell carcinoma. Efforts to develop a focal therapy approach for prostate cancer have been challenged by several concepts including the multifocal nature of the disease and limited capability of prostate ultrasound and systematic biopsy to reliably localize the site(s) and aggressiveness of disease...
June 2017: Translational Andrology and Urology
https://www.readbyqxmd.com/read/28725540/the-pathology-and-molecular-genetics-of-sarcomatoid-renal-cell-carcinoma-a-mini-review
#18
REVIEW
Shuanzeng Wei, Tahseen Al-Saleem
Sarcomatoid renal cell carcinoma is a highly aggressive tumor. It is not a distinct histologic entity as it can be found in any subtypes of renal cell carcinoma. Recent molecular and genetic evidence suggest that sarcomatoid component is transformed from a common progenitor of the associated renal cell carcinoma, and the TP53 gene plays a pivotal role in this process. The presence of sarcomatoid carcinoma indicates poor prognosis, which also correlates with the amount of the sarcomatoid component. Therefore, the presence and quantity of sarcomatoid component should be reflected in pathology reports...
2017: Journal of Kidney Cancer and VHL
https://www.readbyqxmd.com/read/28725539/the-evolving-treatment-landscape-of-advanced-renal-cell-carcinoma-in-patients-progressing-after-vegf-inhibition
#19
REVIEW
Pedro C Barata, Moshe C Ornstein, Jorge A Garcia
Despite significant changes in the therapeutic landscape of renal cell carcinoma, the majority of patients with metastatic disease eventually progress after first-line treatment with vascular endothelial growth factor receptors (VEGFR) tyrosine kinase inhibitor (TKI) therapy. Understanding existing data on subsequent therapies is crucial to define an optimal treatment sequence following first-line failure. This review examines the data supporting currently approved agents in this setting and provides a framework for decision-making regarding treatment sequencing beyond first-line therapy with VEGFR TKIs...
2017: Journal of Kidney Cancer and VHL
https://www.readbyqxmd.com/read/28725538/a-rare-case-of-solitary-kidney-metastasis-following-primary-laryngeal-squamous-cell-carcinoma
#20
Sharon Del Vecchio, Robert Ellis, Kylie Gallagher, Keng Lim Ng, Li Ma, Geoffrey Strutton, Simon Wood
Laryngeal cancer is the 14th most common malignancy worldwide, and its common subtype squamous cell carcinoma (SCC) is highly associated with tobacco use and long-term alcohol consumption. The incidence of distant metastasis from a primary laryngeal cancer has been reported to be very low, between 6.5% and 8.5%, according to published tumour registry data. Distant metastases of laryngeal SCC most commonly involve the lung, liver, bone and mediastinum, seldom involving the kidney. Renal metastasis has been well established in many other cancers such as lymphoma, lung, breast and gastric carcinoma...
2017: Journal of Kidney Cancer and VHL
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