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https://www.readbyqxmd.com/read/28432832/profiling-microrna-from-nephrectomy-and-biopsy-specimens-predictors-of-progression-and-survival-in-clear-cell-renal-cell-carcinoma
#1
Casey G Kowalik, Drew A Palmer, Travis B Sullivan, Patrick A Teebagy, John M Dugan, John A Libertino, Eric J Burks, David Canes, Kimberly M Rieger-Christ
OBJECTIVE: To identify miRNA characteristic of metastatic clear cell renal cell carcinoma (ccRCC) and those indicative of cancer specific survival in nephrectomy and biopsy specimens. We also sought to determine if a miRNA panel could differentiate benign from ccRCC tissue. MATERIALS AND METHODS: RNA was isolated from nephrectomy and kidney biopsy specimens (n=156; n=46 respectively). Samples were grouped: benign, non-progressive and progressive ccRCC. MiRNA were profiled by microarray and validated by qRT-PCR...
April 22, 2017: BJU International
https://www.readbyqxmd.com/read/28431380/recent-aspects-of-uranium-toxicology-in-medical-geology
#2
REVIEW
Geir Bjørklund, Olav Albert Christophersen, Salvatore Chirumbolo, Olle Selinus, Jan Aaseth
Uranium (U) is a chemo-toxic, radiotoxic and even a carcinogenic element. Due to its radioactivity, the effects of U on humans health have been extensively investigated. Prolonged U exposure may cause kidney disease and cancer. The geological distribution of U radionuclides is still a great concern for human health. Uranium in groundwater, frequently used as drinking water, and general environmental pollution with U raise concerns about the potential public health problem in several areas of Asia. The particular paleo-geological hallmark of India and other Southern Asiatic regions enhances the risk of U pollution in rural and urban communities...
April 18, 2017: Environmental Research
https://www.readbyqxmd.com/read/28430635/unsuccessful-mitosis-in-multicellular-tumour-spheroids
#3
Annie Molla, Morgane Couvet, Jean-Luc Coll
Multicellular spheroids are very attractive models in oncology because they mimic the 3D organization of the tumour cells with their microenvironment. We show here using 3 different cell types (mammary TSA/pc, embryonic kidney Hek293 and cervical cancer HeLa), that when the cells are growing as spheroids the frequency of binucleated cells is augmented as occurs in some human tumours.We therefore describe mitosis in multicellular spheroids by following mitotic markers and by time-lapse experiments. Chromosomes alignment appears to be correct on the metaphasic plate and the passenger complex is well localized on centromere...
February 24, 2017: Oncotarget
https://www.readbyqxmd.com/read/28429726/verteporfin-induced-formation-of-protein-cross-linked-oligomers-and-high-molecular-weight-complexes-is-mediated-by-light-and-leads-to-cell-toxicity
#4
Eleni K Konstantinou, Shoji Notomi, Cassandra Kosmidou, Katarzyna Brodowska, Ahmad Al-Moujahed, Fotini Nicolaou, Pavlina Tsoka, Evangelos Gragoudas, Joan W Miller, Lucy H Young, Demetrios G Vavvas
Verteporfin (VP) was first used in Photodynamic therapy, where a non-thermal laser light (689 nm) in the presence of oxygen activates the drug to produce highly reactive oxygen radicals, resulting in local cell and tissue damage. However, it has also been shown that Verteporfin can have non-photoactivated effects such as interference with the YAP-TEAD complex of the HIPPO pathway, resulting in growth inhibition of several neoplasias. More recently, it was proposed that, another non-light mediated effect of VP is the formation of cross-linked oligomers and high molecular weight protein complexes (HMWC) that are hypothesized to interfere with autophagy and cell growth...
April 21, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28429073/urinary-extracellular-vesicles-a-promising-shortcut-to-novel-biomarker-discoveries
#5
REVIEW
Karina Barreiro, Harry Holthofer
Proteomic and genomic techniques have reached full maturity and are providing unforeseen details for the comprehensive understanding of disease pathologies at a fraction of previous costs. However, for kidney diseases, many gaps in such information remain to inhibit major advances in the prevention, treatment and diagnostics of these devastating diseases, which have enormous global impact. The discovery of ubiquitous extracellular vesicles (EV) in all bodily fluids is rapidly increasing the fundamental knowledge of disease mechanisms and the ways in which cells communicate with distant locations in processes of cancer spread, immunological regulation, barrier functions and general modulation of cellular activity...
April 20, 2017: Cell and Tissue Research
https://www.readbyqxmd.com/read/28428650/routine-mammography-an-opportunity-for-the-diagnosis-of-chronic-degenerative-diseases-a-cross-sectional-study
#6
Flávio Augusto Teixeira Ronzani, Filomena Maria Kirchmaier, Nathália Mussi Monteze, Edson José de Carvalho Magacho, Marcus Gomes Bastos, Natália Maria da Silva Fernandes
OBJECTIVE: The aim of this study was to evaluate breast arterial calcification (BAC) detected on routine mammography, analyzing its association with chronic degenerative disease. MATERIALS AND METHODS: This was a cross-sectional study involving women treated at a specialized outpatient clinic for high-risk hypertension, diabetes, or chronic kidney disease, as well as volunteers who participated in a study to validate a method of screening for occult renal disease...
March 2017: Radiologia Brasileira
https://www.readbyqxmd.com/read/28428487/association-between-serum-vitamin-d-and-all-cause-and-cause-specific-death-in-a-general-japanese-population%C3%A3-the-hisayama-study
#7
Kaoru Umehara, Naoko Mukai, Jun Hata, Yoichiro Hirakawa, Tomoyuki Ohara, Daigo Yoshida, Hiro Kishimoto, Takanari Kitazono, Sumio Hoka, Yutaka Kiyohara, Toshiharu Ninomiya
BACKGROUND: Few studies have investigated the association between serum vitamin D levels and mortality in general Asian populations.Methods and Results:We examined the association of serum 1,25-dihydroxyvitamin D (1,25(OH)2D) levels with the risk of all-cause and cause-specific death in an average 9.5-year follow-up study of 3,292 community-dwelling Japanese subjects aged ≥40 years (2002-2012). The multivariable-adjusted hazard ratio (HR) for all-cause death increased significantly with lower serum 1,25(OH)2D levels (HR 1...
April 20, 2017: Circulation Journal: Official Journal of the Japanese Circulation Society
https://www.readbyqxmd.com/read/28428065/in-vivo-studies-investigating-biodistribution-of-nanoparticle-encapsulated-rhodamine-b-delivered-via-dissolving-microneedles
#8
Joakim Kennedy, Eneko Larrañeta, Maelíosa T C McCrudden, Cian M McCrudden, Aaron J Brady, Steven J Fallows, Helen O McCarthy, Adrien Kissenpfennig, Ryan F Donnelly
Nanoparticles (NPs) have undergone extensive investigation as drug delivery and targeting vehicles. NP delivery is often via the parenteral route, reliant on administration using hypodermic needles, which can be associated with patient compliance issues and safety concerns. In the recent past, the intradermal delivery of NPs, via novel dissolving microneedle (MN) arrays has garnered interest in the pharmaceutical community. However, published studies using this combinatorial approach have been limited, in that they have focussed on the use of in vitro and ex vivo models only...
April 17, 2017: Journal of Controlled Release: Official Journal of the Controlled Release Society
https://www.readbyqxmd.com/read/28424553/the-world-of-targeted-therapies-in-kidney-cancers-pitfalls-tips-and-tricks
#9
Alexis Vallard, Jane-Chloé Trone, Julien Langrand-Escure, Sophie Espenel, Jean-Baptiste Guy, Chloé Rancoule, Yaoxiong Xia, Anis El Meddeb Hamrouni, Majed Ben Mrad, Nicolas Magné
In the past few years, metastatic renal cell carcinoma prognosis was improved by the development of molecular targeted therapies (TTs). At the metastatic stage, the tolerance to treatment is a major concern, not only because of the challenge of the efficacy/toxicity ratio improvement but also because of the importance of an optimal adherence to oral treatments. The present case series relates the issues of dealing with uncommon and sometimes never described side effects of sunitinib and sorafenib. The first case report deals with grade 3 vomiting during hemodialysis with concurrent administration of sunitinib...
2017: OncoTargets and Therapy
https://www.readbyqxmd.com/read/28424482/logistic-bayesian-lasso-for-genetic-association-analysis-of-data-from-complex-sampling-designs
#10
Yuan Zhang, Jonathan N Hofmann, Mark P Purdue, Shili Lin, Swati Biswas
Detecting gene-environment interactions with rare variants is critical in dissecting the etiology of common diseases. Interactions with rare haplotype variants (rHTVs) are of particular interest. At the same time, complex sampling designs, such as stratified random sampling, are becoming increasingly popular for designing case-control studies, especially for recruiting controls. The US Kidney Cancer Study (KCS) is an example, wherein all available cases were included while the controls at each site were randomly selected from the population by frequency matching with cases based on age, sex and race...
April 20, 2017: Journal of Human Genetics
https://www.readbyqxmd.com/read/28424250/unifying-mechanism-for-different-fibrotic-diseases
#11
Gerlinde Wernig, Shih-Yu Chen, Lu Cui, Camille Van Neste, Jonathan M Tsai, Neeraja Kambham, Hannes Vogel, Yaso Natkunam, D Gary Gilliland, Garry Nolan, Irving L Weissman
Fibrotic diseases are not well-understood. They represent a number of different diseases that are characterized by the development of severe organ fibrosis without any obvious cause, such as the devastating diseases idiopathic pulmonary fibrosis (IPF) and scleroderma. These diseases have a poor prognosis comparable with endstage cancer and are uncurable. Given the phenotypic differences, it was assumed that the different fibrotic diseases also have different pathomechanisms. Here, we demonstrate that many endstage fibrotic diseases, including IPF; scleroderma; myelofibrosis; kidney-, pancreas-, and heart-fibrosis; and nonalcoholic steatohepatosis converge in the activation of the AP1 transcription factor c-JUN in the pathologic fibroblasts...
April 19, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28424213/magnesium-improves-cisplatin-mediated-tumor-killing-while-protecting-against-cisplatin-induced-nephrotoxicity
#12
Gopal Kumar, Malvika H Solanki, Xiangying Xue, Rachel Mintz, Swati Madankumar, Proydot K Chatterjee, Christine N Metz
Approximately 30% of all cancer patients treated with cisplatin, a widely used, broad-spectrum chemotherapeutic agent, experience acute kidney injury (AKI). Almost all patients receiving cisplatin have magnesium (Mg) losses, which are proposed to aggravate AKI. Currently, there are no methods to successfully treat or prevent cisplatin-AKI. While Mg supplementation has been shown to reduce AKI in experimental models and several small clinical trials, the effects of Mg status on tumor outcomes in immunocompetent tumor-bearing mice and humans have not been investigated...
April 19, 2017: American Journal of Physiology. Renal Physiology
https://www.readbyqxmd.com/read/28423633/novel-lincrna-slinky-is-a-prognostic-biomarker-in-kidney-cancer
#13
Xue Gong, Zurab Siprashvili, Okyaz Eminaga, Zhewei Shen, Yusuke Sato, Haruki Kume, Yukio Homma, Seishi Ogawa, Paul A Khavari, Jonathan R Pollack, James D Brooks
Clear cell renal cell carcinomas (ccRCC) show a broad range of clinical behavior, and prognostic biomarkers are needed to stratify patients for appropriate management. We sought to determine whether long intergenic non-coding RNAs (lincRNAs) might predict patient survival. Candidate prognostic lincRNAs were identified by mining The Cancer Genome Atlas (TCGA) transcriptome (RNA-seq) data on 466 ccRCC cases (randomized into discovery and validation sets) annotated for ~21,000 lncRNAs. A previously uncharacterized lincRNA, SLINKY (Survival-predictive LINcRNA in KidneY cancer), was the top-ranked prognostic lincRNA, and validated in an independent University of Tokyo cohort (P=0...
March 21, 2017: Oncotarget
https://www.readbyqxmd.com/read/28423523/mir-106b-5p-promotes-renal-cell-carcinoma-aggressiveness-and-stem-cell-like-phenotype-by-activating-wnt-%C3%AE-catenin-signalling
#14
Jun Lu, Jin-Huan Wei, Zi-Hao Feng, Zhen-Hua Chen, Yong-Qian Wang, Yong Huang, Yong Fang, Yan-Ping Liang, Jun-Jie Cen, Yi-Hui Pan, Bing Liao, Wen-Fang Chen, Wei Chen, Jun-Hang Luo
PURPOSE: To examine the role of miR-106b-5p in regulating the cancer stem-cell-like phenotype in clear cell renal cell carcinomas (ccRCC). EXPERIMENTAL DESIGN: Real-time PCR was performed to evaluate miR-106b-5p levels in ccRCC cell lines and patients specimens. A series of in vivo and in vitro assays were performed to confirm the effect of miR-106b-5p on ccRCC stemness phenotype. RESULTS: ccRCC cells and tissues expressed more miR-106b-5p than normal controls...
March 28, 2017: Oncotarget
https://www.readbyqxmd.com/read/28423497/drp1-dependent-mitophagy-protects-against-cisplatin-induced-apoptosis-of-renal-tubular-epithelial-cells-by-improving-mitochondrial-function
#15
Chuanyan Zhao, Zhuyun Chen, Jia Qi, Suyan Duan, Zhimin Huang, Chengning Zhang, Lin Wu, Ming Zeng, Bo Zhang, Ningning Wang, Huijuan Mao, Aihua Zhang, Changying Xing, Yanggang Yuan
Cisplatin chemotherapy often causes acute kidney injury (AKI) in cancer patients. There is increasing evidence that mitochondrial dysfunction plays an important role in cisplatin-induced nephrotoxicity. Degradation of damaged mitochondria is carried out by mitophagy. Although mitophagy is considered of particular importance in protecting against AKI, little is known of the precise role of mitophagy and its molecular mechanisms during cisplatin-induced nephrotoxicity. Also, evidence that activation of mitophagy improved mitochondrial function is lacking...
March 28, 2017: Oncotarget
https://www.readbyqxmd.com/read/28423118/obesity-and-kidney-disease-hidden-consequences-of-the-epidemic
#16
EDITORIAL
C P Kovesdy, S L Furth, C Zoccali
Obesity has become a worldwide epidemic and its prevalence has been projected to grow by 40% in the next decade. This increasing prevalence has implications for the risk of diabetes, cardiovascular disease and also for chronic kidney disease (CKD). A high body mass index is one of the strongest risk factors for new-onset CKD. In individuals affected by obesity, a compensatory hyperfiltration occurs to meet the heightened metabolic demands of the increased body weight. The increase in intraglomerular pressure can damage the kidneys and raise the risk of developing CKD in the long-term...
April 13, 2017: Brazilian Journal of Medical and Biological Research, Revista Brasileira de Pesquisas Médicas e Biológicas
https://www.readbyqxmd.com/read/28423031/comorbidities-of-rheumatoid-arthritis-results-from-the-korean-national-health-and-nutrition-examination-survey
#17
Hyemin Jeong, Sun Young Baek, Seon Woo Kim, Yeong Hee Eun, In Young Kim, Hyungjin Kim, Jaejoon Lee, Eun-Mi Koh, Hoon-Suk Cha
This study aimed to evaluate the prevalence of comorbidities in patients with rheumatoid arthritis (RA) compared with the non-RA population. The 2010-2012 Korea National Health and Nutrition Examination Survey (KNHANES), which assesses the general health status of populations in South Korea using interviews and basic health assessment, was analyzed retrospectively. Weighted prevalence and odds ratio (OR) of comorbidities were analyzed in patients with RA compared with the non-RA population. The overall weighted (n = 37,453,158) prevalence of RA was 1...
2017: PloS One
https://www.readbyqxmd.com/read/28421722/second-primary-cancer-risk-among-kidney-cancer-patients-in-korea-a-population-based-cohort-study
#18
Jae Young Joung, Whi-An Kwon, Jiwon Lim, Chang-Mo Oh, Kyu-Won Jung, Sung Han Kim, Ho Kyung Seo, Weon Seo Park, Jinsoo Chung, Kang Hyun Lee, Young-Joo Won
Purpose: Secondary primary cancers (SPCs) commonly arise in patients with renal cell carcinoma (RCC). We designed the present study to estimate the SPC incidence in Korean patients with RCC. Materials and Methods: The study cohort was population-based and consisted of 40,347 individuals from the Korean Central Cancer Registry who were diagnosed with primary renal cancer between 1993 and 2013. Standardized incidence ratios (SIRs) for SPCs were estimated for different ages at diagnosis, latencies, diagnostic periods, and treatments...
April 19, 2017: Cancer Research and Treatment: Official Journal of Korean Cancer Association
https://www.readbyqxmd.com/read/28421553/microwave-ablation-of-malignant-renal-tumours-intermediate-term-results-and-usefulness-of-renal-and-mrenal-scores-for-predicting-outcomes-and-complications
#19
Anna Maria Ierardi, Alessio Puliti, Salvatore Alessio Angileri, Mario Petrillo, Ejona Duka, Chiara Floridi, Michela Lecchi, Gianpaolo Carrafiello
The aim of this study was to evaluate intermediate-term results after microwave ablation (MWA) of renal tumours and determine the association of RENAL and modified RENAL (mRENAL) scores with oncological outcomes and complications. In May 2008-September 2014, 58 patients affected by early-stage RCC (renal cell carcinoma; T1a or T1b) were judged unsuitable for surgery and treated with percutaneous MWA. Follow-up was performed with contrast-enhanced computed tomography at 1, 3, 6, 12 and 24 months after the procedure...
May 2017: Medical Oncology
https://www.readbyqxmd.com/read/28421272/-the-pathology-of-adverse-events-with-immune-checkpoint-inhibitors
#20
V H Koelzer, K Glatz, L Bubendorf, A Weber, A Gaspert, G Cathomas, A Lugli, A Zippelius, W Kempf, K D Mertz
BACKGROUND: Immunotherapy has gained importance with the development of new effective cancer treatments. Immune checkpoint inhibitors (ICI) are monoclonal antibodies that promote T‑cell mediated tumor immune rejection. Checkpoint blockade also carries the risk of inducing autoimmune reactions ("immune related adverse events", irAEs). The diagnosis and classification of irAEs constitute a new and important field in pathology. AIM: Practice-oriented review of the diagnosis and classification of irAEs...
April 18, 2017: Der Pathologe
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