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renal clear cell cancer

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https://www.readbyqxmd.com/read/28337374/polypyrimidine-tract-binding-protein-1-promotes-proliferation-migration-and-invasion-in-clear-cell-renal-cell-carcinoma-by-regulating-alternative-splicing-of-pkm
#1
Junyi Jiang, Xu Chen, Hao Liu, Jing Shao, Ruihui Xie, Peng Gu, Chaohui Duan
Polypyrimidine Tract-Binding Protein 1 (PTBP1) is an essential RNA-binding protein that regulates diverse biological events through regulating alternative splice of mRNA. PTBP1 induces cancer-promoting splice variants and is related to tumorigenesis in several cancers. However, both the expression patterns and biological mechanisms of PTBP1 in clear-cell renal cell carcinoma (ccRCC) are unclear. We investigated PTBP1 expression in 533 ccRCC patients from TCGA and 30 ccRCC patients by immunohistochemistry, and found that PTBP1 expression levels were significantly increased in ccRCC tissues and that high PTBP1 expression was closely correlated with advanced tumor stage, AJCC stage and poor prognosis...
2017: American Journal of Cancer Research
https://www.readbyqxmd.com/read/28329682/the-swi-snf-protein-pbrm1-restrains-vhl-loss-driven-clear-cell-renal-cell-carcinoma
#2
Amrita M Nargund, Can G Pham, Yiyu Dong, Patricia I Wang, Hatice U Osmangeyoglu, Yuchen Xie, Omer Aras, Song Han, Toshinao Oyama, Shugaku Takeda, Chelsea E Ray, Zhenghong Dong, Mathieu Berge, A Ari Hakimi, Sebastien Monette, Carl L Lekaye, Jason A Koutcher, Christina S Leslie, Chad J Creighton, Nils Weinhold, William Lee, Satish K Tickoo, Zhong Wang, Emily H Cheng, James J Hsieh
PBRM1 is the second most commonly mutated gene after VHL in clear cell renal cell carcinoma (ccRCC). However, the biological consequences of PBRM1 mutations for kidney tumorigenesis are unknown. Here, we find that kidney-specific deletion of Vhl and Pbrm1, but not either gene alone, results in bilateral, multifocal, transplantable clear cell kidney cancers. PBRM1 loss amplified the transcriptional outputs of HIF1 and STAT3 incurred by Vhl deficiency. Analysis of mouse and human ccRCC revealed convergence on mTOR activation, representing the third driver event after genetic inactivation of VHL and PBRM1...
March 21, 2017: Cell Reports
https://www.readbyqxmd.com/read/28327411/gas6-axl-signaling-in-presence-of-sunitinib-is-enhanced-diversified-and-sustained-in-renal-tumor-cells-resulting-in-tumor-progressive-advantages
#3
Anna Gustafsson, Helena K M Fritz, Björn Dahlbäck
Clear Cell Renal Cell Carcinoma (CCRCC) is a lethal cancer with bad prognosis due to development of chemoresistance and recurrence of more aggressive tumors. Investigation of Gas6-mediated Axl signaling in CCRCC and endothelial cells reveals a Sunitinib resistant Gas6-Axl signaling that is sustained and enhanced and specifically triggers downstream AKT and PRAS40 activation in an intensified manner. Gas6-induced Axl signaling in presence of Sunitinib is also diversified displaying onset of Axl-dependent EGFR and METR activation and activation of classical MAPK pathways...
March 19, 2017: Experimental Cell Research
https://www.readbyqxmd.com/read/28327152/trim8-restores-p53-tumour-suppressor-function-by-blunting-n-myc-activity-in-chemo-resistant-tumours
#4
Francesca Mastropasqua, Flaviana Marzano, Alessio Valletti, Italia Aiello, Giuseppe Di Tullio, Annalisa Morgano, Sabino Liuni, Elena Ranieri, Luisa Guerrini, Giuseppe Gasparre, Elisabetta Sbisà, Graziano Pesole, Antonio Moschetta, Mariano Francesco Caratozzolo, Apollonia Tullo
BACKGROUND: TRIM8 plays a key role in controlling the p53 molecular switch that sustains the transcriptional activation of cell cycle arrest genes and response to chemotherapeutic drugs. The mechanisms that regulate TRIM8, especially in cancers like clear cell Renal Cell Carcinoma (ccRCC) and colorectal cancer (CRC) where it is low expressed, are still unknown. However, recent studies suggest the potential involvement of some microRNAs belonging to miR-17-92 and its paralogous clusters, which could include TRIM8 in a more complex pathway...
March 21, 2017: Molecular Cancer
https://www.readbyqxmd.com/read/28325666/development-of-novel-patient-derived-preclinical-models-from-malignant-effusions-in-patients-with-tyrosine-kinase-inhibitor-resistant-clear-cell-renal-cell-carcinoma
#5
Jiryeon Jang, Oliver Rath, Julia Schueler, Hyun Hwan Sung, Hwang Gyun Jeon, Byong Chang Jeong, Seong Il Seo, Seong Soo Jeon, Hyun Moo Lee, Han-Yong Choi, Ghee-Young Kwon, Woong Yang Park, Jeeyun Lee, Se Hoon Park
PURPOSE: Although targeting angiogenesis with tyrosine kinase inhibitors (TKIs) has become standard of care in the treatment of clear cell renal cell carcinoma (RCC), resistance mechanism are not fully understood, and there is a need to develop new therapeutic options overcoming them. METHODS AND MATERIALS: To develop a preclinical model that predicts clinical activity of novel agents in 19 RCC patients, we established patient-derived cell (PDC) and xenograft (PDX) models derived from malignant effusions or surgical specimen...
March 15, 2017: Translational Oncology
https://www.readbyqxmd.com/read/28316213/-expression-of-lim-and-sh3-protein-1-in-renal-clear-cell-carcinoma-and-its-effects-on-invasion-and-migration-of-renal-clear-cell-carcinoma-786-o-cells
#6
B Jin, L Gao, W Li, J C Chen, R M Wen, J Q Wang
Objective: To investigate the expression of LIM and SH3 protein 1 (LASP1) in renal cell carcinoma and its significance in the invasion and migration of renal clear cell carcinoma 786-O cell line. Methods: The expression level of LASP1 in 41 cases of renal cell carcinoma tissues and normal renal tissues was analyzed by immunohistochemistry. The relationship between the expression level of LASP1 and clinical characteristics was further analyzed. Expression of LASP1 in 10 cases of tumor tissues with or without lymph node metastasis was analyzed by Western blot...
March 23, 2017: Zhonghua Zhong Liu za Zhi [Chinese Journal of Oncology]
https://www.readbyqxmd.com/read/28315422/sfpq-psf-tfe3-renal-cell-carcinoma-rcc-a-clinicopathologic-study-emphasizing-extended-morphology-and-reviewing-the-differences-between-sfpq-tfe3-rcc-and-the-corresponding-mesenchymal-neoplasm-despite-an-identical-gene-fusion
#7
Xiao-Tong Wang, Qiu-Yuan Xia, Hao Ni, Sheng-Bing Ye, Rui Li, Xuan Wang, Shan-Shan Shi, Xiao-Jun Zhou, Qiu Rao
Xp11 translocation renal cell carcinoma (RCC) with SFPQ/PSF-TFE3 gene fusion is a rare epithelial tumor. Of note, the appearance of the gene fusion does not necessarily mean that it is renal cell carcinoma. The corresponding mesenchymal neoplasms, including Xp11 neoplasm with melanocytic differentiation, TFE3 rearrangement-associated perivascular epithelioid cell tumor (PEComa) and melanotic Xp11 translocation renal cancer, can also harbor the identical gene fusion. However, the differences between Xp11 translocation RCC and the corresponding mesenchymal neoplasm have only recently been described...
March 14, 2017: Human Pathology
https://www.readbyqxmd.com/read/28296891/englerin-a-induces-an-acute-inflammatory-response-and-reveals-lipid-metabolism-and-er-stress-as-targetable-vulnerabilities-in-renal-cell-carcinoma
#8
Ayse Batova, Diego Altomare, Kim E Creek, Robert K Naviaux, Lin Wang, Kefeng Li, Erica Green, Richard Williams, Jane C Naviaux, Mitchell Diccianni, Alice L Yu
Renal cell carcinoma (RCC) is among the top ten most common forms of cancer and is the most common malignancy of the kidney. Clear cell renal carcinoma (cc-RCC), the most common type of RCC, is one of the most refractory cancers with an incidence that is on the rise. Screening of plant extracts in search of new anti-cancer agents resulted in the discovery of englerin A, a guaiane sesquiterpene with potent cytotoxicity against renal cancer cells and a small subset of other cancer cells. Though a few cellular targets have been identified for englerin A, it is still not clear what mechanisms account for the cytotoxicity of englerin A in RCC, which occurs at concentrations well below those used to engage the targets previously identified...
2017: PloS One
https://www.readbyqxmd.com/read/28288504/clear-cell-renal-cell-carcinoma-with-intratumoral-granulomatous-reaction-a-case-report-and-review-of-the-literature
#9
Hayeon Kim, Jong Wook Kim, Aeree Kim, Hyeyoon Chang
Granulomatous reaction associated with clear cell renal cell carcinoma (CCRCC) is a rare finding, and only a few cases have been described in the literature. It is postulated to occur due to cancer-related antigenic factors such as cancer cells themselves or soluble tumor antigens shed into the blood. Herein, we describe a case of a 56-year-old male patient diagnosed with CCRCC with intratumoral granulomatous inflammation.
March 14, 2017: Journal of Pathology and Translational Medicine
https://www.readbyqxmd.com/read/28286925/cabozantinib-for-renal-cell-carcinoma-current-and-future-paradigms
#10
REVIEW
Ahmed Abdelaziz, Ulka Vaishampayan
Cabozantinib was approved by the FDA in April 2016 for the treatment of advanced renal cancer, pretreated with at least one prior antiangiogenic therapy. This is the first agent in the therapy of kidney cancer to show a statistically significant improvement in all three endpoints of clinical efficacy, response rate, progression free survival, and overall survival (OS), in a phase III randomized trial. The reporting of METEOR coincided with that of the Checkmate 025 study which randomized similarly eligible patients to receive nivolumab or everolimus 10 mg daily...
March 2017: Current Treatment Options in Oncology
https://www.readbyqxmd.com/read/28280347/high-expression-of-aldolase-a-predicts-poor-survival-in-patients-with-clear-cell-renal-cell-carcinoma
#11
Ning Na, Heng Li, Chengfang Xu, Bin Miao, Liangqing Hong, Zhengyu Huang, Qiu Jiang
BACKGROUND: Aldolase A (ALDOA) is a glycolytic enzyme that drives the glycolytic metabolic pathway in mammalian cells. The overexpression of ALDOA was observed in a variety of cancers including clear-cell renal cell carcinoma (ccRCC). However, little was known about the clinicopathological significance and prognostic value of ALDOA in ccRCC patients. METHODS: The expression of ALDOA was detected using immunohistochemical staining in 162 formalin-fixed, paraffin-embedded ccRCC sections...
2017: Therapeutics and Clinical Risk Management
https://www.readbyqxmd.com/read/28278333/adjuvant-treatment-for-high-risk-clear-cell-renal-cancer-updated-results-of-a-high-risk-subset-of-the-assure-randomized-trial
#12
Naomi B Haas, Judith Manola, Janice P Dutcher, Keith T Flaherty, Robert G Uzzo, Michael B Atkins, Robert S DiPaola, Toni K Choueiri
Importance: Given recently published results of a 750-patient adjuvant sunitinib trial showing improved disease-free survival (DFS), the appropriate strategy for treating high-risk patients is unclear. We sought to determine whether there is improved disease-free survival benefit to taking the active drug in patients with high-risk (pT3, pT4, node-positive) clear cell renal cancer (ccRCC) in the ASSURE trial (adjuvant sunitinib or sorafenib vs placebo in resected unfavorable renal cell carcinoma [RCC]), the largest adjuvant trial published to date...
March 9, 2017: JAMA Oncology
https://www.readbyqxmd.com/read/28276433/renal-cell-carcinoma
#13
REVIEW
James J Hsieh, Mark P Purdue, Sabina Signoretti, Charles Swanton, Laurence Albiges, Manuela Schmidinger, Daniel Y Heng, James Larkin, Vincenzo Ficarra
Renal cell carcinoma (RCC) denotes cancer originated from the renal epithelium and accounts for >90% of cancers in the kidney. The disease encompasses >10 histological and molecular subtypes, of which clear cell RCC (ccRCC) is most common and accounts for most cancer-related deaths. Although somatic VHL mutations have been described for some time, more-recent cancer genomic studies have identified mutations in epigenetic regulatory genes and demonstrated marked intra-tumour heterogeneity, which could have prognostic, predictive and therapeutic relevance...
March 9, 2017: Nature Reviews. Disease Primers
https://www.readbyqxmd.com/read/28274318/-knockdown-of-atg5-enhances-the-sensitivity-of-human-renal-carcinoma-cells-to-sunitinib
#14
Peng Li, Qi Han, Ming Tang, Keqin Zhang
Objective To investigate the expression levels of autophagy-related gene 5 (ATG5) and microtubule-associated protein 1 light chain 3 (LC3) and their effects on sunitinib resistance in human renal carcinoma cells. Methods After clinic-pathologic feature and survival analysis, 99 renal clear cell carcinoma tissues with different histological grades were used to detect the expression of ATG5 and LC3 by immunohistochemistry. Renal carcinoma cell line A-498 was infected with lentivirus-mediated ATG5 shRNA. Western blot analysis was performed to confirm the efficiency of ATG5 knockdown...
March 2017: Xi Bao Yu Fen Zi Mian Yi Xue za Zhi, Chinese Journal of Cellular and Molecular Immunology
https://www.readbyqxmd.com/read/28272006/solitary-metastasis-of-clear-renal-cell-carcinoma-to-thyroid-gland-three-reported-cases-with-review-of-the-literature
#15
Jaromir Astl, Abdulrahman Ali Bahannan, Jaroslava Dušková, Z Novák, P Vlcek, Jan Betka
Metastasis to the head and neck and more specifically to the thyroid gland from distant primary tumors is less common in comparison to the local regional metastasis of squamous cell carcinomas of the upper aero-digestive tract. Preoperative diagnosis of these cases can be difficult. The authors present three cases with distant solitary metastases of clear renal cell carcinoma to the thyroid gland with ambiguous mechanism of tumor spread to the thyroid. Solitary metastases of clear renal cell carcinomas are an uncommon variant of metastasis of this tumor and may imitate thyroid well differentiated carcinoma which most commonly affects the thyroid gland...
January 2017: Gulf Journal of Oncology
https://www.readbyqxmd.com/read/28270206/meis1-inhibits-clear-cell-renal-cell-carcinoma-cells-proliferation-and-in-vitro-invasion-or-migration
#16
Jie Zhu, Liang Cui, Axiang Xu, Xiaotao Yin, Fanglong Li, Jiangping Gao
BACKGROUND: Myeloid ecotropic viral integration site 1 (MEIS1) protein plays a synergistic causative role in acute myeloid leukemia (AML). However, MEIS1 has also shown to be a potential tumor suppressor in some other cancers, such as non-small-cell lung cancer (NSCLC) and prostate cancer. Although multiple roles of MEIS1 in cancer development and progression have been identified, there is an urgent demand to discover more functions of this molecule for further therapeutic design. METHODS: MEIS1 was overexpressed via adenovirus vector in clear cell renal cell carcinoma (ccRCC) cells...
March 7, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28269753/lncrna-neat1-is-a-prognosis-biomarker-and-regulates-cancer-progression-via-epithelial-mesenchymal-transition-in-clear-cell-renal-cell-carcinoma
#17
Li Ning, Zhiguo Li, Dianjun Wei, Haiyan Chen, Chao Yang
BACKGROUND: The long non-coding RNAs (lncRNAs) are emerging as important regulators in cancer progression. Clear cell renal cell carcinoma (ccRCC) is one of the most common urological cancers with poor prognosis. In this study, we examined the functional role of the lncRNA, nuclear enriched abundant transcript 1 (NEAT1) in ccRCC progression. METHODS: We performed quantitative real time PCR and western blotting assays to measure mRNA and protein expression levels, respectively...
February 27, 2017: Cancer Biomarkers: Section A of Disease Markers
https://www.readbyqxmd.com/read/28266251/an-integrated-analysis-of-cancer-genes-in-clear-cell-renal-cell-carcinoma
#18
Jin Li, Liping Guo, Zisheng Ai
AIM: This study was performed to detect driver genes and implement integrated analyses on these drivers in clear cell renal cell carcinoma (ccRCC). METHODS: Driver genes and pathways were predicted by OncodriveFM and Dendrix using 39,636 somatic mutations from The Cancer Genome Atlas, followed by DNA methylation, copy number variation, differential expression and survival analyses. RESULTS: Overall, 342 driver genes and 106 pathways were determined by OncodriveFM, two driver genes by Dendrix...
April 2017: Future Oncology
https://www.readbyqxmd.com/read/28261513/primary-clear-cell-microcystic-adenoma-of-the-sinonasal-cavity-pathological-or-fortuitous-association
#19
Rosalin Cooper, Hannah Markham, Jeffery Theaker, Adrian Bateman, David Bunyan, Matthew Sommerlad, Gillian Crawford, Diana Eccles
Primary clear cell microcystic adenoma of the sinonasal cavity is rare. It has previously been described only as a VHL-associated tumour. Von Hippel-Lindau (VHL) syndrome is an inherited cancer syndrome characterised by an elevated risk of neoplasia including clear cell renal cell carcinoma (ccRCC), haemangioblastoma, and phaeochromocytoma. We describe the second reported case of a primary clear cell microcystic adenoma of the sinonasal cavity. The 39-year-old patient with VHL syndrome had previously undergone resection and ablation of ccRCC...
2017: Case Reports in Pathology
https://www.readbyqxmd.com/read/28260718/loss-of-setd2-but-not-h3k36me3-correlates-with-aggressive-clinicopathological-features-of-clear-cell-renal-cell-carcinoma-patients
#20
Lei Liu, Renbo Guo, Xiang Zhang, Yiran Liang, Feng Kong, Jue Wang, Zhonghua Xu
Recent studies facilitated by DNA sequencing identified the histone modifying gene SETD2 as the second most frequent mutant gene in sporadic clear cell renal cell carcinoma (ccRCC) patients. SETD2 functions as a tumor suppressor in ccRCC. However, its clinical association and biological functions are not fully delineated. The aim of this study is to evaluate the clinical significance of SETD2 in ccRCC patients. SETD2 and its canonical histone modification product H3K36me3 were analyzed by immunohistochemistry (IHC) in 155 ccRCC patients from two independent cohorts retrospectively...
March 6, 2017: Bioscience Trends
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