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renal clear cell cancer

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https://www.readbyqxmd.com/read/29662646/vhl-status-regulates-transforming-growth-factor-%C3%AE-signaling-pathways-in-renal-cell-carcinoma
#1
Pramod Mallikarjuna, Raviprakash T Sitaram, Maréne Landström, Börje Ljungberg
To evaluate the role of pVHL in the regulation of TGF-β signaling pathways in clear cell renal cell carcinoma (ccRCC) as well as in non-ccRCC; the expression of pVHL, and the TGF-β pathway components and their association with clinicopathological parameters and patient's survival were explored. Tissue samples from 143 ccRCC and 58 non-ccRCC patients were examined by immunoblot. ccRCC cell lines were utilized for mechanistic in-vitro studies. Expression levels of pVHL were significantly lower in ccRCC compared with non-ccRCC...
March 27, 2018: Oncotarget
https://www.readbyqxmd.com/read/29661736/loss-of-pd-l1-sp-142-expression-characterizes-renal-vein-tumor-thrombus-microenvironment-in-clear-cell-renal-cell-carcinoma
#2
José I López, Rafael Pulido, Charles H Lawrie, Javier C Angulo
Immunotherapy is a promising tool in the treatment of patients with advancer renal cancer, in particular the blockage of immune checkpoint inhibitors. Clear cell renal cell carcinoma is an example of heterogeneous neoplasm and this particular characteristic is responsible of many therapeutic failures so far. Since variations in the local microenvironment across a tumor may conditionate the effect of this new therapy, a deeper knowledge of this issue seems advisable for any treatment success. We have analyzed the PD-L1 (SP142) expression in three different areas in the tumor and in two areas in the renal vein/caval thrombi in 39 advanced clear cell renal cell carcinomas to determine the extent and potential clinical significance of this regional variability...
March 24, 2018: Annals of Diagnostic Pathology
https://www.readbyqxmd.com/read/29658093/metabolomic-study-of-human-tissue-and-urine-in-clear-cell-renal-carcinoma-by-lc-hrms-and-pls-da
#3
Joanna Nizioł, Vincent Bonifay, Krzysztof Ossoliński, Tadeusz Ossoliński, Anna Ossolińska, Jan Sunner, Iwona Beech, Adrian Arendowski, Tomasz Ruman
Renal cell carcinoma (RCC) is the most prevalent and lethal malignancy of the kidney. Despite all the efforts made, no tissue biomarker is currently used in the clinical management of patients with kidney cancer. A search for possible biomarkers in urine for clear cell renal cell carcinoma (ccRCC) has been conducted. Non-targeted metabolomic analyses were performed on paired samples of surgically removed renal cancer and normal tissue, as well as on urine samples. Extracts were analyzed by liquid chromatography/high-resolution mass spectrometry (LC-HRMS)...
April 16, 2018: Analytical and Bioanalytical Chemistry
https://www.readbyqxmd.com/read/29656895/tracking-cancer-evolution-reveals-constrained-routes-to-metastases-tracerx-renal
#4
Samra Turajlic, Hang Xu, Kevin Litchfield, Andrew Rowan, Tim Chambers, Jose I Lopez, David Nicol, Tim O'Brien, James Larkin, Stuart Horswell, Mark Stares, Lewis Au, Mariam Jamal-Hanjani, Ben Challacombe, Ashish Chandra, Steve Hazell, Claudia Eichler-Jonsson, Aspasia Soultati, Simon Chowdhury, Sarah Rudman, Joanna Lynch, Archana Fernando, Gordon Stamp, Emma Nye, Faiz Jabbar, Lavinia Spain, Sharanpreet Lall, Rosa Guarch, Mary Falzon, Ian Proctor, Lisa Pickering, Martin Gore, Thomas B K Watkins, Sophia Ward, Aengus Stewart, Renzo DiNatale, Maria F Becerra, Ed Reznik, James J Hsieh, Todd A Richmond, George F Mayhew, Samantha M Hill, Catherine D McNally, Carol Jones, Heidi Rosenbaum, Stacey Stanislaw, Daniel L Burgess, Nelson R Alexander, Charles Swanton
Clear-cell renal cell carcinoma (ccRCC) exhibits a broad range of metastatic phenotypes that have not been systematically studied to date. Here, we analyzed 575 primary and 335 metastatic biopsies across 100 patients with metastatic ccRCC, including two cases sampledat post-mortem. Metastatic competence was afforded by chromosome complexity, and we identify 9p loss as a highly selected event driving metastasis and ccRCC-related mortality (p = 0.0014). Distinct patterns of metastatic dissemination were observed, including rapid progression to multiple tissue sites seeded by primary tumors of monoclonal structure...
April 9, 2018: Cell
https://www.readbyqxmd.com/read/29656891/timing-the-landmark-events-in-the-evolution-of-clear-cell-renal-cell-cancer-tracerx-renal
#5
Thomas J Mitchell, Samra Turajlic, Andrew Rowan, David Nicol, James H R Farmery, Tim O'Brien, Inigo Martincorena, Patrick Tarpey, Nicos Angelopoulos, Lucy R Yates, Adam P Butler, Keiran Raine, Grant D Stewart, Ben Challacombe, Archana Fernando, Jose I Lopez, Steve Hazell, Ashish Chandra, Simon Chowdhury, Sarah Rudman, Aspasia Soultati, Gordon Stamp, Nicos Fotiadis, Lisa Pickering, Lewis Au, Lavinia Spain, Joanna Lynch, Mark Stares, Jon Teague, Francesco Maura, David C Wedge, Stuart Horswell, Tim Chambers, Kevin Litchfield, Hang Xu, Aengus Stewart, Reza Elaidi, Stéphane Oudard, Nicholas McGranahan, Istvan Csabai, Martin Gore, P Andrew Futreal, James Larkin, Andy G Lynch, Zoltan Szallasi, Charles Swanton, Peter J Campbell
Clear cell renal cell carcinoma (ccRCC) is characterized by near-universal loss of the short arm of chromosome 3, deleting several tumor suppressor genes. We analyzed whole genomes from 95 biopsies across 33 patients with clear cell renal cell carcinoma. We find hotspots of point mutations in the 5' UTR of TERT, targeting a MYC-MAX-MAD1 repressor associated with telomere lengthening. The most common structural abnormality generates simultaneous 3p loss and 5q gain (36% patients), typically through chromothripsis...
April 4, 2018: Cell
https://www.readbyqxmd.com/read/29651023/generation-of-autochthonous-mouse-models-of-clear-cell-renal-cell-carcinoma-mouse-models-of-renal-cell-carcinoma
#6
REVIEW
Weibin Hou, Zhigang Ji
Renal cell carcinoma (RCC) is one of the 10 most common cancers worldwide, and to date, a strong systemic therapy has not been developed to treat RCC, even with the remarkable modern advances in molecular medicine mostly due to our incomplete understanding of its tumorigenesis. There is a dire unmet need to understand the etiology and progression of RCC, especially the most common subtype, clear cell RCC (ccRCC), and to develop new treatments for RCC. Genetically engineered mouse (GEM) models are able to mimic the initiation, progression, and metastasis of cancer, thus providing valuable insights into tumorigenesis and serving as perfect preclinical platforms for drug testing and biomarker discovery...
April 13, 2018: Experimental & Molecular Medicine
https://www.readbyqxmd.com/read/29650037/open-label-randomized-multicentre-phase-ii-study-to-assess-the-efficacy-and-tolerability-of-sunitinib-by-dose-administration-regimen-dose-modification-or-dose-interruptions-in-patients-with-advanced-or-metastatic-renal-cell-carcinoma-study-protocol-of-the-surf
#7
Guillaume Mouillet, Marie-Justine Paillard, Tristan Maurina, Dewi Vernerey, Thierry Nguyen Tan Hon, Hamadi Almotlak, Ulrich Stein, Fabien Calcagno, Diane Berthod, Elise Robert, Aurelia Meurisse, Antoine Thiery-Vuillemin
BACKGROUND: Sunitinib is a tyrosine kinase inhibitor approved in the first-line metastatic renal cell carcinoma (MRCC) setting at the dose of 50 mg daily for 4 weeks followed by a pause of 2 weeks. Due to toxicity, this standard schedule (50 mg daily 4/2) can induce up to 50% of sunitinib dose modification (reduction and/or interruption). The current recommendation in such case is to reduce the dose to 37.5 mg per day (standard schedule 4/2). Recent data highlight an alternative schedule: 2 weeks of treatment followed by 1 week of pause (experimental schedule 2/1)...
April 12, 2018: Trials
https://www.readbyqxmd.com/read/29648579/capn4-contributes-to-tumor-invasion-and-metastasis-in-clear-cell-renal-cell-carcinoma-cells-via-modulating-talin-focal-adhesion-kinase-signaling-pathway
#8
Qianfeng Zhuang, Weiping Luo, Mingran Zhang, Min Fan, Hao Lu, Renfang Xu, Xiaozhou He
Calpain small subunit 1 (Capn4) has been shown to correlate with the metastasis/invasion of clear cell renal cell carcinoma (ccRCC). This study aimed to further elucidate the molecular mechanisms underlying Capn4-mediated ccRCC progression. The messenger RNA expression levels in ccRCC cells were measured by quantitative real-time PCR. The effects of Capn4 on cell adhesion, invasion, and migration were examined by cell adhesion assay, cell invasion assay, and wound-healing assay, respectively. The protein levels were detected by western blot analysis...
April 10, 2018: Acta Biochimica et Biophysica Sinica
https://www.readbyqxmd.com/read/29618931/upregulated-vegfa-and-dll4-act-as-potential-prognostic-genes-for-clear-cell-renal-cell-carcinoma
#9
Xilong Wang, Jun Zhang, Yangyun Wang, Minqi Tu, Ying Wang, Guowei Shi
Purpose: As a typical hypervascular tumor, clear cell renal cell carcinoma (ccRCC) is the most common type of RCC. This study was aimed to explore the prognostic genes for ccRCC, focusing on the roles of vascular endothelial growth factor A ( VEGFA ) and Delta-like ligand 4 ( DLL4 ) in the disease. Materials and methods: The mRNA-sequencing data of kidney renal clear cell carcinoma (KIRC) were obtained from The Cancer Genome Atlas (TCGA) database, including 469 tumor samples and 68 adjacent normal samples...
2018: OncoTargets and Therapy
https://www.readbyqxmd.com/read/29617669/the-cancer-genome-atlas-comprehensive-molecular-characterization-of-renal-cell-carcinoma
#10
Christopher J Ricketts, Aguirre A De Cubas, Huihui Fan, Christof C Smith, Martin Lang, Ed Reznik, Reanne Bowlby, Ewan A Gibb, Rehan Akbani, Rameen Beroukhim, Donald P Bottaro, Toni K Choueiri, Richard A Gibbs, Andrew K Godwin, Scott Haake, A Ari Hakimi, Elizabeth P Henske, James J Hsieh, Thai H Ho, Rupa S Kanchi, Bhavani Krishnan, David J Kwaitkowski, Wembin Lui, Maria J Merino, Gordon B Mills, Jerome Myers, Michael L Nickerson, Victor E Reuter, Laura S Schmidt, C Simon Shelley, Hui Shen, Brian Shuch, Sabina Signoretti, Ramaprasad Srinivasan, Pheroze Tamboli, George Thomas, Benjamin G Vincent, Cathy D Vocke, David A Wheeler, Lixing Yang, William T Kim, A Gordon Robertson, Paul T Spellman, W Kimryn Rathmell, W Marston Linehan
Renal cell carcinoma (RCC) is not a single disease, but several histologically defined cancers with different genetic drivers, clinical courses, and therapeutic responses. The current study evaluated 843 RCC from the three major histologic subtypes, including 488 clear cell RCC, 274 papillary RCC, and 81 chromophobe RCC. Comprehensive genomic and phenotypic analysis of the RCC subtypes reveals distinctive features of each subtype that provide the foundation for the development of subtype-specific therapeutic and management strategies for patients affected with these cancers...
April 3, 2018: Cell Reports
https://www.readbyqxmd.com/read/29617076/completely-endophytic-renal-tumor-a-laparoscopic-approach
#11
Victor Espinheira Santos, Rafael Ribeiro Meduna, Wilson Bachega, Gustavo Cardoso Guimarães
Kidney cancer is the third most common urologic malignancy and a 2% annual increase in the incidence has occurred over the past two decades, largely because of the increased utilization of imaging. The majority of these tumors are small, so the indications for nephron-sparing surgery and for minimally invasive surgery are continually expanding. Complex kidney lesions, such as those completely endophytic, are still a challenge even for experienced surgeons. Our objective is to demonstrate the operative technique for laparoscopic partial nephrectomy with the aid of intra-operative ultrasound in a man with a totally endophytic renal lesion...
March 15, 2018: International Braz J Urol: Official Journal of the Brazilian Society of Urology
https://www.readbyqxmd.com/read/29611145/elevated-visceral-obesity-quantified-by-ct-is-associated-with-adverse-postoperative-outcome-of-laparoscopic-radical-nephrectomy-for-renal-clear-cell-carcinoma-patients
#12
Tingshuai Zhai, Bocheng Zhang, Zhenan Qu, Chen Chen
PURPOSE: To examine the association between CT measures of visceral obesity and short-term postoperative outcomes in renal clear cell carcinoma (RCCC) patients. METHODS: In this retrospective study, 76 patients treated with unilateral laparoscopic radical nephrectomy for stage I-III renal cancer were classified as obese or non-obese by preoperative CT-based measures of adiposity [obese: visceral fat area (VFA) > 100 cm2 , BMI ≥ 28 kg/m2 ]. Clinical variables, Fuhrman grade, operation time, estimated blood loss (EBL), postoperative complications, postoperative stay, drainage time and hospitalization expenses were compared between the two groups...
April 2, 2018: International Urology and Nephrology
https://www.readbyqxmd.com/read/29610002/renal-cell-carcinoma-presenting-as-carcinoma-of-unknown-primary-site-recognition-of-a-treatable-patient-subset
#13
F Anthony Greco, John D Hainsworth
BACKGROUND: Improved diagnostic methods, including gene expression profiling, allow identification of the tissue of origin in most patients with carcinoma of unknown primary site (CUP). Patients with an occult renal cell carcinoma (RCC) are of particular interest, because effective treatment for advanced RCC has no overlap with the empiric chemotherapy used traditionally for CUP. We report the clinical characteristics, pathologic features, and response to RCC-specific treatment in CUP patients identified as RCC using a molecular cancer classifier assay (MCCA)...
March 9, 2018: Clinical Genitourinary Cancer
https://www.readbyqxmd.com/read/29607827/vaginal-metastasis-of-renal-clear-cell-cancer
#14
Rehailia-Blanchard Amel, Morel Adeline, Rancoul Chloé, He Ming Yuan, Magné Nicolas, Falkowski Sabrina
BACKGROUND: Vaginal metastases originating from renal cancer remain a rare event, with less than 100 cases reported in the literature. The spreading mechanism is still under scrutiny. The tumoral bleeding often is a symptom revealing vaginal metastases. CASE: The present work reports patient case having vaginal metastasis of renal clear-cell cancer. The vaginal metastasis was treated by a 3-D conformational radiotherapy. Our experience is discussed with respect to an updated literature review concerning the medical management of vaginal metastasis related to kidney cancer...
January 2018: Gulf Journal of Oncology
https://www.readbyqxmd.com/read/29606134/tgr5-expression-in-normal-kidney-and-renal-neoplasms
#15
Chaohui Lisa Zhao, Ali Amin, Yiang Hui, Dongfang Yang, Weibiao Cao
BACKGROUND: The G protein-coupled bile acid receptor (TGR5) is a cell surface receptor which induces the production of intracellular cAMP and promotes epithelial-mesenchymal transition in gastric cancer cell lines. TGR5 is found in a wide variety of tissues including the kidney. However, the patterns of TGR5 expression have not been well characterized in physiologic kidney or renal neoplasms. We explore the expression of TGR5 in benign renal tissue and renal neoplasms and assess its utility as a diagnostic marker...
April 2, 2018: Diagnostic Pathology
https://www.readbyqxmd.com/read/29604591/mir-566-functions-as-an-oncogene-and-a-potential-biomarker-for-prognosis-in-renal-cell-carcinoma
#16
Xiang Pan, Jing Quan, Zuwei Li, Liwen Zhao, Liang Zhou, Xu Jinling, Xu Weijie, Xin Guan, Hang Li, Shangqi Yang, Yaoting Gui, Yongqing Lai
BACKGROUND: Renal cell carcinoma (RCC), a heterogeneous type of cancer originating from the nephron, occupies approximately 3.9% of new carcinomas, with an increasing incidence in the past two decades. The most common subtype of renal cell carcinoma is clear cell RCC (ccRCC). Though surgery and other treatments are applied to RCC, it has the highest recurrence rate and mortality rate among the genitourinary cancers. As the study progressed, miRNAs are found to be the biomarkers for tumor diagnosis, prognosis and the targets for tumor management...
March 28, 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29603918/the-effect-of-age-on-cancer-specific-mortality-in-patients-with-small-renal-masses-a-population-based-analysis
#17
Marco Bandini, Michele Marchioni, Raisa S Pompe, Zhe Tian, Tristan Martel, Felix K Chun, Luca Cindolo, Anil Kapoor, Francesco Montorsi, Shahrokh F Shariat, Alberto Briganti, Pierre I Karakiewicz
INTRODUCTION: Contemporary data regarding the effect of age, especially in the elderly patients, on cancer-specific mortality (CSM) for pT1a renal cell cancer (RCC) are lacking. The objective of the current study is to evaluate CSM in a large population-based cohort of surgically treated pT1a RCC patients according to age groups. METHODS: Within the Surveillance Epidemiology and End Results database (2000-2013), we identified 37 121 pT1a RCC patients who underwent either partial or radical nephrectomy...
March 19, 2018: Canadian Urological Association Journal, Journal de L'Association des Urologues du Canada
https://www.readbyqxmd.com/read/29602399/metabolomics-and-metabolic-reprogramming-in-kidney-cancer
#18
REVIEW
Robert H Weiss
Kidney cancer, or renal cell carcinoma (RCC), is a disease of increasing incidence that commonly is seen in the general practice of nephrology. Despite this state of affairs, this fascinating and highly morbid disease frequently is under-represented, or even absent, from the curriculum of nephrologists in training and generally is underemphasized in national nephrology meetings, both scientific as well as clinical. Although classic concepts in cancer research in general had led to the concept that cancer is a disease resulting from mutations in the control of growth-regulating pathways, reinforced by the discovery of oncogenes, more contemporary research, particularly in kidney cancer, has uncovered changes in metabolic pathways mediated by those same genes that control tumor energetics and biosynthesis...
March 2018: Seminars in Nephrology
https://www.readbyqxmd.com/read/29599935/bk-virus-associated-collecting-duct-carcinoma-of-the-renal-allograft-in-a-kidney-pancreas-allograft-recipient
#19
Myriam Dao, Adrien Pécriaux, Thomas Bessede, Antoine Dürrbach, Charlotte Mussini, Catherine Guettier, Sophie Ferlicot
BK polyomavirus (BKV) nephropathy is a major concern in renal transplantation. Its main consequence is graft loss, which occurs in more than 50% of the cases. De novo renal cell carcinoma in renal allograft is a very rare event. Most of these tumors are papillary or clear cell carcinomas. We report herein the first case of collecting duct carcinoma of the renal allograft in a kidney-pancreas allograft adult recipient. Collecting duct carcinoma occurs long after the cure of a BKV nephropathy. At this time, BKV viremia and viruria were negative as well as the immunostaining for SV40 in the non-tumor kidney...
March 13, 2018: Oncotarget
https://www.readbyqxmd.com/read/29599927/the-prognostic-value-of-cxc-chemokine-receptor-2-cxcr2-in-cancers-a-meta-analysis
#20
Bingbing Qiao, Wenqin Luo, Yanna Liu, Jing Wang, Chuan Liu, Zhao Liu, Sizhe Chen, Jingjing Gu, Xiaolong Qi, Tongwei Wu
Background & Aims: Quite a few studies had investigated the correlation between CXC chemokine receptor 2 (CXCR2) and cancer. This meta-analysis was aimed to comprehensively summarize the previous studies and to explore the prognostic value of CXCR2 in patients with cancer. Materials and Methods: An adequate literature search in EMBASE and PubMed was conducted. Articles in English which have reported CXCR2 expression in patients and enough data to calculate hazard ratio (HR) were included...
March 13, 2018: Oncotarget
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