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https://www.readbyqxmd.com/read/28523353/evaluation-of-renal-cell-carcinoma-histological-subtype-and-fuhrman-grade-using-18-f-fluorodeoxyglucose-positron-emission-tomography-computed-tomography
#1
Reiko Nakajima, Sayumi Nozaki, Tsunenori Kondo, Yoji Nagashima, Koichiro Abe, Shuji Sakai
OBJECTIVES: We evaluated (18)F-fluorodeoxyglucose (FDG) uptake by renal cell carcinomas (RCCs) to determine whether different histological subtypes and Fuhrman grades can be distinguished. METHODS: We retrospectively reviewed the records and maximum standardised uptake value (SUVmax) of 147 patients with 154 RCCs who underwent FDG-positron emission tomography (PET)/computed tomography (CT) prior to tumour resection. RESULTS: The SUVmax was significantly lower in chromophobe RCC (chRCC) tumours than in clear cell RCC (ccRCC; p = 0...
May 18, 2017: European Radiology
https://www.readbyqxmd.com/read/28512261/a-five-long-non-coding-rna-signature-to-improve-prognosis-prediction-of-clear-cell-renal-cell-carcinoma
#2
Da Shi, Qinghua Qu, Qimeng Chang, Yilin Wang, Yaping Gui, Dong Dong
Recent works have reported that long non-coding RNAs (lncRNAs) play critical roles in tumorigenesis and prognosis of cancers, suggesting the potential utility of lncRNAs as cancer prognostic markers. However, lncRNA signatures in predicting the survival of patients with clear cell renal cell carcinoma (ccRCC) remain unknown. In this study, we attempted to identify lncRNA signatures and their prognostic values in ccRCC. Using lncRNA expression profiling data in 440 ccRCC tumors from The Cancer Genome Atlas (TCGA) data, a five-lncRNA signature (AC069513...
April 28, 2017: Oncotarget
https://www.readbyqxmd.com/read/28507622/prognostic-value-of-vascular-endothelial-growth-factor-a-in-the-prediction-of-the-tumor-aggressiveness-in-clear-cell-renal-cell-carcinoma
#3
Fahredin Veselaj, Suzana Manxhuka-Kerliu, Arber Neziri, Labinot Shahini, Shefki Xharra, Liridon Selmani, Lloreta Kerliu, Floren Kavaja
BACKGROUND: Clear cell renal cell carcinoma (CCRCC) is the most predominant renal tumour with unpredictable tumour behaviour. The aim of the study is to investigate the prognostic value of vascular endothelial growth factor A (VEGF-A) expression in CCRCC and to correlate it with other histological parameters as well as with patient's survival. MATERIAL AND METHODS: Tumour blocks were taken from 40 patients with histopathology diagnosis of CCRCC and tissue block from 20 normal kidneys as a control group were examined using the immuno-histochemical staining for VEGF-A...
April 15, 2017: Open Access Macedonian Journal of Medical Sciences
https://www.readbyqxmd.com/read/28504812/overexpression-of-the-yap1-oncogene-in-clear-cell-renal-cell-carcinoma-is-associated-with-poor-outcome
#4
Agnieszka Rybarczyk, Jakub Klacz, Agata Wronska, Marcin Matuszewski, Zbigniew Kmiec, Piotr M Wierzbicki
Clear cell renal cell carcinoma (ccRCC) is the most common subtype of RCC (70-80%). Yes-associated protein 1 (YAP1) protein is a nuclear effector of the Hippo pathway and acts as a transcriptional co-activator of genes involved in the processes of growth and development of tissues. Hippo signaling, with its key kinases, MST2 and large tumor suppressor kinase 1 (LATS1), plays a significant role in the negative regulation of the amount and activity of YAP1 protein. Components of the Hippo pathway and YAP1 levels are frequently dysregulated in a variety of tumors, suggestive of their possible involvement in carcinogenesis...
May 15, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28495554/collecting-duct-carcinoma-of-the-kidney-disease-characteristics-and-treatment-outcomes-from-the-national-cancer-database
#5
Wilson Sui, Justin T Matulay, Dennis J Robins, Maxwell B James, Ifeanyi C Onyeji, Arindam RoyChoudhury, Sven Wenske, Guarionex Joel DeCastro
OBJECTIVE: To use a large population-level database to assess survival outcomes for collecting duct renal cell carcinoma (CDRCC). MATERIALS AND METHODS: The National Cancer Database was queried for all cases of CDRCC and clear cell renal cell carcinoma (CCRCC) from 2004 to 2013. After removing patients with other cancer diagnoses, the analytic cohort was composed of 201,686 CCRCC and 577 CDRCC cases. Kaplan-Meier and cox proportional hazards analysis were employed to model survival...
May 8, 2017: Urologic Oncology
https://www.readbyqxmd.com/read/28494778/lysophosphatidylcholine-acyltransferase-1-upregulation-and-concomitant-phospholipid-alterations-in-clear-cell-renal-cell-carcinoma
#6
Yiqing Du, Qiang Wang, Xingzhong Zhang, Xiaofeng Wang, Caipeng Qin, Zhengzuo Sheng, Huaqi Yin, Changtao Jiang, Jing Li, Tao Xu
BACKGROUND: The involvement of lipid metabolism in tumourigenesis and the progression of clear cell renal cell carcinoma (ccRCC) have been reported. However, the role of phospholipid profile alterations in ccRCC has not yet been systematically explored. In the present study, we compared the phospholipid compositions between ccRCC and paired normal renal tissues. METHODS: The phospholipid compositions of paired ccRCC and normal renal tissues were evaluated using liquid chromatography tandem mass spectrometry (LC/MS/MS)...
May 12, 2017: Journal of Experimental & Clinical Cancer Research: CR
https://www.readbyqxmd.com/read/28489074/analysis-of-renal-cancer-cell-lines-from-two-major-resources-enables-genomics-guided-cell-line-selection
#7
Rileen Sinha, Andrew G Winer, Michael Chevinsky, Christopher Jakubowski, Ying-Bei Chen, Yiyu Dong, Satish K Tickoo, Victor E Reuter, Paul Russo, Jonathan A Coleman, Chris Sander, James J Hsieh, A Ari Hakimi
The utility of cancer cell lines is affected by the similarity to endogenous tumour cells. Here we compare genomic data from 65 kidney-derived cell lines from the Cancer Cell Line Encyclopedia and the COSMIC Cell Lines Project to three renal cancer subtypes from The Cancer Genome Atlas: clear cell renal cell carcinoma (ccRCC, also known as kidney renal clear cell carcinoma), papillary (pRCC, also known as kidney papillary) and chromophobe (chRCC, also known as kidney chromophobe) renal cell carcinoma. Clustering copy number alterations shows that most cell lines resemble ccRCC, a few (including some often used as models of ccRCC) resemble pRCC, and none resemble chRCC...
May 10, 2017: Nature Communications
https://www.readbyqxmd.com/read/28488172/clear-cell-renal-cell-carcinoma-a-comparative-study-of-histological-and-chromosomal-characteristics-between-primary-tumors-and-their-corresponding-metastases
#8
Julien Dagher, Solène-Florence Kammerer-Jacquet, Frédéric Dugay, Marion Beaumont, Alexandra Lespagnol, Laurence Cornevin, Grégory Verhoest, Karim Bensalah, Nathalie Rioux-Leclercq, Marc-Antoine Belaud-Rotureau
Clear cell renal cell carcinoma (ccRCC) has a poor prognosis with a 50% risk of metastases. Little is known about the phenotypic and molecular profiles of metastases regarding their corresponding primary tumors. This study aimed to screen phenotypic and genotypic differences between metastases and their corresponding primary tumors. We selected four cases with available frozen material. The histological, immunohistochemical (VEGFA, CD31, SMA, Ki67, p53, PAR-3), FISH (VHL gene), next-generation sequencing (VHL and c-MET genes), multiplex ligation-dependent probe amplification, and array-(comparative genomic hybridization) CGH analyses were realized...
May 10, 2017: Virchows Archiv: An International Journal of Pathology
https://www.readbyqxmd.com/read/28488170/prognostic-role-of-bap1-in-pt1-clear-cell-carcinoma-in-partial-nephrectomy-specimens
#9
Daniele Minardi, Guendalina Lucarini, Giulio Milanese, Rodolfo Montironi, Roberto Di Primio
BAP1 is a gene situated on chromosome 3p in a region that can be modified in renal cell carcinomas (RCCs). Mutations that cause loss of expression of BAP1 frequently occur in primary clear cell renal carcinoma (ccRCC). In a previous work, we observed that loss of nuclear BAP1 expression was crucial in ccRCC progression; in the current study, we investigated BAP1 expression in a large series of small conventional ccRCCs treated with partial nephrectomy, to assess a possible role as biomarker and the prognostic value in terms of patients' survival at long-term follow-up...
May 9, 2017: Virchows Archiv: An International Journal of Pathology
https://www.readbyqxmd.com/read/28486536/stratification-of-clear-cell-renal-cell-carcinoma-ccrcc-genomes-by-gene-directed-copy-number-alteration-cna-analysis
#10
H-J Thiesen, F Steinbeck, M Maruschke, D Koczan, B Ziems, O W Hakenberg
Tumorigenic processes are understood to be driven by epi-/genetic and genomic alterations from single point mutations to chromosomal alterations such as insertions and deletions of nucleotides up to gains and losses of large chromosomal fragments including products of chromosomal rearrangements e.g. fusion genes and proteins. Overall comparisons of copy number alterations (CNAs) presented in 48 clear cell renal cell carcinoma (ccRCC) genomes resulted in ratios of gene losses versus gene gains between 26 ccRCC Fuhrman malignancy grades G1 (ratio 1...
2017: PloS One
https://www.readbyqxmd.com/read/28480903/metabolic-reprogramming-in-clear-cell-renal-cell-carcinoma
#11
REVIEW
Hiromi I Wettersten, Omran Abu Aboud, Primo N Lara, Robert H Weiss
Research in many cancers has uncovered changes in metabolic pathways that control tumour energetics and biosynthesis, so-called metabolic reprogramming. Studies in clear cell renal cell carcinoma (ccRCC) have been particularly revealing, leading to the concept that ccRCC is a metabolic disease. ccRCC is generally accompanied by reprogramming of glucose and fatty acid metabolism and of the tricarboxylic acid cycle. Metabolism of tryptophan, arginine and glutamine is also reprogrammed in many ccRCCs, and these changes provide opportunities for new therapeutic strategies, biomarkers and imaging modalities...
May 8, 2017: Nature Reviews. Nephrology
https://www.readbyqxmd.com/read/28475899/an-immune-atlas-of-clear-cell-renal-cell-carcinoma
#12
Stéphane Chevrier, Jacob Harrison Levine, Vito Riccardo Tomaso Zanotelli, Karina Silina, Daniel Schulz, Marina Bacac, Carola Hermine Ries, Laurie Ailles, Michael Alexander Spencer Jewett, Holger Moch, Maries van den Broek, Christian Beisel, Michael Beda Stadler, Craig Gedye, Bernhard Reis, Dana Pe'er, Bernd Bodenmiller
Immune cells in the tumor microenvironment modulate cancer progression and are attractive therapeutic targets. Macrophages and T cells are key components of the microenvironment, yet their phenotypes and relationships in this ecosystem and to clinical outcomes are ill defined. We used mass cytometry with extensive antibody panels to perform in-depth immune profiling of samples from 73 clear cell renal cell carcinoma (ccRCC) patients and five healthy controls. In 3.5 million measured cells, we identified 17 tumor-associated macrophage phenotypes, 22 T cell phenotypes, and a distinct immune composition correlated with progression-free survival, thereby presenting an in-depth human atlas of the immune tumor microenvironment in this disease...
May 4, 2017: Cell
https://www.readbyqxmd.com/read/28473526/modeling-renal-cell-carcinoma-in-mice-bap1-and-pbrm1-inactivation-drive-tumor-grade
#13
Yi-Feng Gu, Shannon Cohn, Alana Christie, Tiffani McKenzie, Nicholas C Wolff, Quyen N Do, Ananth Madhuranthakam, Ivan Pedrosa, Tao Wang, Anwesha Dey, Meinrad Busslinger, Xian-Jin Xie, Robert E Hammer, Renée M McKay, Payal Kapur, James Brugarolas
Clear cell renal cell carcinoma (ccRCC) is characterized by BAP1 and PBRM1 mutation, which are associated with tumors of different grade and prognosis. However, whether BAP1 and PBRM1 loss causes ccRCC and determines tumor grade is unclear. We conditionally targeted Bap1 and Pbrm1 (with Vhl) in the mouse using several Cre drivers. Sglt2 and Villin proximal convoluted tubule drivers failed to cause tumorigenesis, challenging the conventional notion of ccRCC origins. In contrast, targeting with Pax8, a developmental lineage-specific transcription factor, led to ccRCC of different grade...
May 4, 2017: Cancer Discovery
https://www.readbyqxmd.com/read/28469971/alpinumisoflavone-suppresses-tumour-growth-and-metastasis-of-clear-cell-renal-cell-carcinoma
#14
Tingting Wang, Yuhua Jiang, Lei Chu, Tianhui Wu, Jie You
Clear cell renal cell carcinoma (ccRCC) is the most common type of kidney cancer. The present study is aimed to investigate the role of alpinumisoflavone (AIF), a naturally occurring flavonoid compound, in ccRCC and the underlying mechanism. In this study, miR-101 has been identified as a novel therapeutic target, which exerts anti-tumor effect on ccRCC by directly targeting RLIP76. Moreover, our results showed that AIF was able to increase the expression of miR-101 by suppressing Akt signalling. Our findings in this study provided experimental evidence that AIF has the potential to be used as an agent in the treatment of ccRCC...
2017: American Journal of Cancer Research
https://www.readbyqxmd.com/read/28465356/microrna-497%C3%A2-suppress-renal-cell-carcinoma-by-targeting-vegfr-2-in-achn-cells
#15
Pengcheng Sun, Ziqi Wang, Luyao Yin, Xiangwei Zhu, Liang Liu, Yuwei Liu, Lechen Li, Wanhai Xu
Background: Abnormal expression of microRNAs (miRNAs) contributed to cancers through regulating proliferation, apoptosis and drug resistance of cancer cells. The present study was designed to investigate the effect of microRNA-497 on renal cell carcinoma and possible mechanism. Methods:  Forty paired clear cell renal cell carcinoma tissues and adjacent normal kidney tissues were obtained from patients, who were not treated by chemotherapy or radiotherapy. RT-PCR was performed to detect expression of miR-497 in the ccRCC tissues...
May 2, 2017: Bioscience Reports
https://www.readbyqxmd.com/read/28454361/microrna-30e-3p-inhibits-cell-invasion-and-migration-in-clear-cell-renal-cell-carcinoma-by-targeting-snail1
#16
Daya Wang, Chao Zhu, Yifan Zhang, Yuenan Zheng, Feiju Ma, Li Su, Guojian Shao
Clear cell renal cell carcinoma (ccRCC) is the most common type of neoplasm affecting the adult kidney. Previous studies on ccRCC have focused on microRNAs, a class of small non-coding RNAs that are important in cancer development and progression. The present study aimed to investigate the potential role of microRNA (miR)-30e-3p in ccRCC. The results revealed that overexpression of miR-30e-3p in the A498 and 786O ccRCC cell lines was able to inhibit cell invasion and migration. The expression level of Snail1, a potential target gene of miR-30e-3p, was inversely correlated with miR-30e-3p expression in ccRCC tissues and cell lines...
April 2017: Oncology Letters
https://www.readbyqxmd.com/read/28451753/histologic-subtype-needs-to-be-considered-after-partial-nephrectomy-in-patients-with-pathologic-t1a-renal-cell-carcinoma-papillary-vs-clear-cell-renal-cell-carcinoma
#17
Sangjun Yoo, Dalsan You, In Gab Jeong, Cheryn Song, Bumsik Hong, Jun Hyuk Hong, Hanjong Ahn, Choung-Soo Kim
PURPOSE: We compared the oncological outcomes of papillary renal cell carcinoma (pRCC) with clear cell renal cell carcinoma (ccRCC) after partial nephrectomy (PN) in patients with pathologic T1a RCC. METHODS: After excluding patients with synchronous multiple renal tumors, familial RCC, and pathologic stage T1b or above, 759 patients with ccRCC and 84 patients with pRCC were included. We assessed the impact of histologic subtypes on oncologic outcomes after PN in patients with pathologic T1a RCC (median follow-up duration, 67 months)...
April 27, 2017: Journal of Cancer Research and Clinical Oncology
https://www.readbyqxmd.com/read/28450954/downregulation-of-a-novel-long-non-coding-rna-loc389332-is-associated-with-poor-prognosis-and-tumor-progression-in-clear-cell-renal-cell-carcinoma
#18
Ping Jin, Juan Wang, Yu Liu
It has been demonstrated that various long non-coding RNAs (lncRNAs) may have key roles in various types of cancer. Clear cell renal cell carcinoma (ccRCC) is the most common subtype of all RCCs, accounting for 70-80% of all cases. The present study identified a novel lncRNA and investigated its clinical significance and physiological function in ccRCC. The expression pattern of the novel lncRNA LOC389332 in 30 ccRCC tissue samples was examined using reverse-transcription quantitative polymerase chain reaction...
March 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28449664/distinct-immunophenotypes-and-prognostic-factors-in-renal-cell-carcinoma-with-sarcomatoid-differentiation-a-systematic-study-of-19-immunohistochemical-markers-in-42-cases
#19
Wenjuan Yu, Yuewei Wang, Yanxia Jiang, Wei Zhang, Yujun Li
BACKGROUND: Renal cell carcinoma (RCC) with sarcomatoid differentiation is a relatively rare tumor containing both carcinoma and sarcomatoid components. However, there has not been a systemic study on immunophenotypes of renal cell carcinoma with sarcomatoid differentiation, especially using some renal specific immunohistochemical markers. In this study, we aimed to comprehensively investigate the distinct immunophenotypes of RCC with sarcomatoid differentiation to analyze the pathogenesis of sarcomatoid differentiation and identify new prognostic factors in RCC with sarcomatoid differentiation...
April 27, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28445125/intratumoral-heterogeneity-analysis-reveals-hidden-associations-between-protein-expression-losses-and-patient-survival-in-clear-cell-renal-cell-carcinoma
#20
Wei Jiang, Essel Dulaimi, Karthik Devarajan, Theodore Parsons, Qiong Wang, Raymond O'Neill, Charalambos Solomides, Stephen C Peiper, Joseph R Testa, Robert Uzzo, Haifeng Yang
Intratumoral heterogeneity (ITH) is a prominent feature of kidney cancer. It is not known whether it has utility in finding associations between protein expression and clinical parameters. We used ITH that is detected by immunohistochemistry (IHC) to aid the association analysis between the loss of SWI/SNF components and clinical parameters.160 ccRCC tumors (40 per tumor stage) were used to generate tissue microarray (TMA). Four foci from different regions of each tumor were selected. IHC was performed against PBRM1, ARID1A, SETD2, SMARCA4, and SMARCA2...
April 8, 2017: Oncotarget
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