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https://www.readbyqxmd.com/read/28550085/knockdown-of-sodium-calcium-exchanger-1-induces-epithelial-to-mesenchymal-transition-in-kidney-epithelial-cells
#1
Sona Lakshme Balasubramaniam, Anilkumar Gopalakrishnapillai, Nicholas J Petrelli, Sonali P Barwe
Mesenchymal to epithelial transition (MET) and epithelial to mesenchymal transition (EMT) are important processes in kidney development. Failure to undergo MET during development leads to the initiation of Wilms tumor (WT) whereas EMT contributes to the development of renal cell carcinomas (RCC). The role of calcium regulators in governing these processes is becoming evident. We demonstrated earlier that Na+/Ca2+ exchanger 1 (NCX1), a major calcium exporter in renal epithelial cells, regulates epithelial cell motility...
May 26, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28549821/effect-of-median-household-income-on-surgical-approach-and-survival-in-renal-cell-carcinoma
#2
Jacob Katsnelson, Rebecca J Barnes, Hunaiz A Patel, Daphne Monie, Theodor Kaufman, Nicholas J Hellenthal
PURPOSE: We sought to determine whether median household income (MHI) independently predicts surgical approach (partial vs. radical nephrectomy) and survival in patients with renal cell carcinoma. METHODS: The U.S. Surveillance Epidemiology and End Results Database (1988-2011) was queried to examine kidney cancer cases and linked to the Area Health Resources File. We correlated surgical approach and survival, both overall and cancer-specific, with tumor stage, age, race, sex, and income data...
May 23, 2017: Urologic Oncology
https://www.readbyqxmd.com/read/28546813/a-case-of-urachal-carcinoma-of-the-abdominal-wall-in-a-kidney-transplant-recipient
#3
Takuya Yamazaki, Yasushi Nagaba, Yoshitaka Shimada, Yoshinori Taoka, Satoru Minamida, Dai Koguchi, Masahiro Hagiwara, Sho Watanuki, Hide Nagaba, Kazunari Yoshida, Yasuo Takeuchi
Urachal carcinoma is an extremely rare malignant tumor arising from the urachus in the fetus. We report a patient who developed urachal carcinoma 18 years after kidney transplantation. A 59-year-old man was admitted because of abdominal pain and massive ascites. He had undergone kidney transplantation 18 years earlier and had end-stage renal disease requiring dialysis. Abdominal CT showed massive ascites and an abdominal wall cystic mass separated from the peritoneal cavity. Hemodialysis was started, and paralytic ileus was diagnosed and treated...
2017: Case Reports in Medicine
https://www.readbyqxmd.com/read/28546287/immune-atlases-created-for-kidney-lung-cancers
#4
(no author information available yet)
Two groups of researchers have generated the first comprehensive "immune atlases" of clear cell renal cell carcinoma and early lung adenocarcinoma. Their work better illuminates the tumor immune microenvironment and may lead to more effective immunotherapy strategies.
May 25, 2017: Cancer Discovery
https://www.readbyqxmd.com/read/28544435/solid-renal-masses-in-transplanted-allograft-kidneys-a-closer-look-at-the-epidemiology-and-management
#5
John J Griffith, Katherine A Amin, Nikhil Waingankar, Susan M Lerner, Veronica Delaney, Scott A Ames, Ketan Badani, Michael A Palese, Reza Mehrazin
The objective of this review is to explore the available literature on solid renal masses (SRM) in transplant allograft kidneys to better understand the epidemiology and management of these tumors. A literature review using PubMed was performed according to the PRISMA methodology. Fifty-six relevant studies were identified from 1988-2015. A total of 174 SRMs in 163 patients, were identified with a mean tumor size of 2.75 cm (0.5-9.0cm). Tumor histology was available in 164 (94.3%) tumors: clear cell renal cell carcinoma (RCC) (45...
May 19, 2017: American Journal of Transplantation
https://www.readbyqxmd.com/read/28543713/potential-protective-role-of-grainyhead-like-genes-in-the-development-of-clear-cell-renal-cell-carcinoma
#6
Magdalena Pawlak, Agnieszka Kikulska, Tomasz Wrzesinski, Tobias Rausch, Zbigniew Kwias, Bartek Wilczynski, Vladimir Benes, Joanna Wesoly, Tomasz Wilanowski
The involvement of Grainyhead-like (GRHL) transcription factors in various cancers is well documented. However, little is known about their role in clear cell renal cell carcinoma (ccRCC). We discovered that the expression of two of these factors - GRHL1 and GRHL2-is downregulated in ccRCC samples, and their expression is correlated with the expression of VHL gene. This suggests a functional link between the GRHL transcription factors and one of the best known tumor suppressors. Although the GRHL genes are not mutated in ccRCC, some of the single nucleotide polymorphisms in these genes may indicate an increased risk of ccRCC development and/or may allow to assess patients' prognoses and predict their responses to various forms of therapy...
May 23, 2017: Molecular Carcinogenesis
https://www.readbyqxmd.com/read/28536669/disparate-presentations-of-localized-cystic-disease-of-kidney-a-review-with-an-objective-of-correct-approach-for-accurate-treatment-plan
#7
Sachin Khanduri, Mriganki Chaudhary, Tushar Sabharwal, Aakshit Goyal, Gaurav Katyal
BACKGROUND: Localized cystic disease of the kidney is a rare, non-familial condition. Its imaging and clinical features are unique and need to be differentiated from autosomal dominant polycystic kidney disease and focal cystic masses such as multicystic nephroma and cystic renal cell carcinoma. It is always restricted to one kidney and is characterized by multiple cysts of varying sizes separated by residual normal renal tissue. MATERIALS AND METHODS: This study reports 12 cases of localized cystic disease of the kidney based on imaging findings and clinical histories...
April 22, 2017: Curēus
https://www.readbyqxmd.com/read/28535921/out-of-field-in-vivo-dosimetry-using-tld-in-sabr-for-primary-kidney-cancer-involving-mixed-photon-fields
#8
P Lonski, S Keehan, S Siva, D Pham, R D Franich, M L Taylor, T Kron
PURPOSE: To assess out-of-field dose using three different variants of LiF thermoluminescence dosimeters (TLD) for ten patients who underwent stereotactic ablative body radiotherapy (SABR) for primary renal cell carcinoma (RCC) and compare with treatment planning system (TPS) dose calculations. METHODS AND MATERIALS: Thermoluminescent dosimeter (TLD) measurements were conducted at 20, 30, 40 and 50cm from isocentre on ten patients undergoing SABR for primary RCC...
May 2017: Physica Medica: PM
https://www.readbyqxmd.com/read/28535587/bicyclol-exerts-an-anti-tumor-effect-via-ros-mediated-endoplasmic-reticulum-stress-in-human-renal-cell-carcinoma-cells
#9
Jing Wu, Weichao Zheng, Ling Rong, Yingru Xing, Dong Hu
Renal cell carcinoma (RCC) is the most common subtype of kidney cancer. Currently, there is a lack of efficient treatment for RCC. Bicyclol, an anti-hepatitis drug, has been demonstrated to possess anti-tumor properties. However, the effect of bicyclol in RCC remains elusive. Therefore, the aim of this study is to investigate the biological effects of bicyclol on RCC and the underlying mechanisms. The data from this study indicated that bicyclol markedly induced cell apoptosis and cell cycle arrest and increased the production of reactive oxygen species (ROS) in RCC cells...
May 19, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28534944/high-mir-122-expression-promotes-malignant-phenotypes-in-ccrcc-by-targeting-occludin
#10
Kentaro Jingushi, Yuri Kashiwagi, Yuko Ueda, Kaori Kitae, Hiroaki Hase, Wataru Nakata, Kazutoshi Fujita, Motohide Uemura, Norio Nonomura, Kazutake Tsujikawa
Renal cell carcinoma (RCC) is the most common neoplasm of the adult kidney, and clear cell RCC (ccRCC) represents its most common histological subtype. Although several studies have reported high expression of miR-122 in ccRCC, its physiological role remains unclear. To clarify the role of miR-122 in ccRCC, we compared miR-122 expression levels in non-cancerous tissue and ccRCC. Significant upregulation of miR-122 was observed in ccRCC specimens. Moreover, ccRCC patients with high miR-122 expression showed poor progression-free survival compared to those with low miR-122 expression...
May 22, 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/28534209/the-renal-safety-and-efficacy-of-combined-gemcitabine-plus-cisplatin-and-gemcitabine-plus-carboplatin-chemotherapy-in-chinese-patients-with-a-solitary-kidney-after-nephroureterectomy
#11
Peng Sun, Cong Xue, Li-Ren Li, Cui Shao, Xin An, Ried Thomas, Wei Yang, Ying-Fei Deng, Wen-Qi Jiang, Yan-Xia Shi
PURPOSE: The renal safety of cisplatin-based chemotherapy has not been investigated in patients with urothelial carcinoma of the upper urinary tract (UUT-UC) who retain a solitary kidney after nephroureterectomy. This study aimed to assess and compare the renal safety and efficacy of gemcitabine-cisplatin (GP) and gemcitabine-carboplatin (GC) in these patients. METHODS: The medical records of patients diagnosed with urothelial carcinoma at the Sun Yat-Sen University Cancer Center between January 2005 and December 2015 were retrospectively reviewed...
May 22, 2017: Cancer Chemotherapy and Pharmacology
https://www.readbyqxmd.com/read/28533271/vhl-inactivation-in-precancerous-kidney-cells-induces-an-inflammatory-response-via-er-stress-activated-ire1%C3%AE-signaling
#12
Chan-Yen Kuo, Chih-Hung Lin, Tien Hsu
Mutations and epigenetic inactivation of the tumor suppressor gene von Hippel-Lindau (VHL) are major causes of clear-cell renal cell carcinoma (ccRCC) that may originate from chronic inflammation. However, the role of VHL loss-of-function in the development of ccRCC via inflammation remains poorly understood. VHL mutant cells exhibit metabolic abnormalities that can cause chronic endoplasmic reticulum (ER) stress and unfolded protein response (UPR). We hypothesize that unresolved ER stress induces the inflammatory responses observed in ccRCC...
May 22, 2017: Cancer Research
https://www.readbyqxmd.com/read/28533051/features-of-ipsilateral-renal-recurrences-after-partial-nephrectomy-a-proposal-of-a-pathogenetic-classification
#13
Alessandro Antonelli, Maria Furlan, Regina Tardanico, Simona Fisogni, Mario Sodano, Francesca Carobbio, Sandra Belotti, Alberto Cozzoli, Tiziano Zanotelli, Claudio Simeone
BACKGROUND: Poor data are reported on the pathogenesis of ipsilateral relapse (IR) after partial nephrectomy (PN). The objective of this study was to investigate features of IR after PN with the intention to propose a pathogenetic classification. MATERIALS AND METHODS: Retrospective consultation of an institutional database that stores the data of 683 patients submitted to PN since 1993. The clinical, radiological, and follow-up data of the cases submitted to salvage nephrectomy due to an IR were analyzed...
April 26, 2017: Clinical Genitourinary Cancer
https://www.readbyqxmd.com/read/28528251/biological-activity-and-safety-profile-of-the-essential-oil-from-fruits-of-heracleum-mantegazzianum-sommier-levier-apiaceae
#14
Krystyna Skalicka-Woźniak, Agnieszka Grzegorczyk, Łukasz Świątek, Magdalena Walasek, Jarosław Widelski, Barbara Rajtar, Małgorzata Polz-Dacewicz, Anna Malm, Hosam O Elansary
A composition of essential oils obtained from Heracleum mantegazzianum (Apiaceae) was examined using a GC-MS method. n-Octyl acetate (19.92%), n-hexyl-2-methylbutanoate (10.84%), n-octanol (10.13%), n-octyl butanoate (8.88%), n-octyl-2-methylbutanoate (8.01%), n-hexyl acetate (7.11%), n-octyl isobutanoate (5.5%) and n-hexyl isobutanoate (5.43%) were the main compounds. The high-performance counter-current chromatography was applied for purification of aliphatic alcohols and esters. A mixture of n-hexane, acetonitrile and tetr-butyl methyl ether (1:1:0...
May 17, 2017: Food and Chemical Toxicology
https://www.readbyqxmd.com/read/28526942/development-of-a-new-risk-nomogram-of-perioperative-major-adverse-cardiac-events-for-chinese-patients-undergoing-colorectal-carcinoma-surgery
#15
Juhong Zhang, Ying Xiao, Daya Yang, Xiaodong Zhuang, Ling Wang, Xiuren Gao, Zhibin Huang
PURPOSE: The purpose of this study is to create a new risk nomogram to predict perioperative major adverse cardiac events in patients undergoing colorectal carcinoma surgery. METHODS: A total of 1899 patients who underwent colorectal carcinoma surgery at a tertiary teaching hospital in China between 2007 and 2012 were recruited. Logistic regression analysis was used to define risk factors for major adverse cardiac events. A nomogram-predicting model was built based on the logistic regression model and discrimination was tested by receiver operating characteristic curves...
May 19, 2017: International Journal of Colorectal Disease
https://www.readbyqxmd.com/read/28526807/dihydroartemisinin-induces-autophagy-dependent-death-in-human-tongue-squamous-cell-carcinoma-cells-through-dna-double-strand-break-mediated-oxidative-stress
#16
Xinli Shi, Li Wang, Xiaoming Li, Jing Bai, Jianchun Li, Shenghao Li, Zeming Wang, Mingrui Zhou
Dihydroartemisinin is an effective antimalarial agent with multiple biological activities. In the present investigation, we elucidated its therapeutic potential and working mechanism on human tongue squamous cell carcinoma (TSCC). It was demonstrated that dihydroartemisinin could significantly inhibit cell growth in a dose- and time-dependent manner by the Cell Counting Kit-8 and colony formation assay in vitro. Meanwhile, autophagy was promoted in the Cal-27 cells treated by dihydroartemisinin, evidenced by increased LC3B-II level, increased autophagosome formation, and increased Beclin-1 level compared to dihydroartemisinin-untreated cells...
April 29, 2017: Oncotarget
https://www.readbyqxmd.com/read/28525943/effect-of-au-dextran-nps-as-anti-tumor-agent-against-eac-and-solid-tumor-in-mice-by-biochemical-evaluations-and-histopathological-investigations
#17
Dalia Medhat, Jihan Hussein, Mehrez E El-Naggar, Mohamed F Attia, Mona Anwar, Yasmine Abdel Latif, Hoda F Booles, Safaa Morsy, Abdel Razik Farrag, Wagdy K B Khalil, Zakaria El-Khayat
Dextran-capped gold nanoparticles (Au-dextran NPs) were prepared exploiting the natural polysaccharide polymer as both reducing and stabilizing agent in the synthesis process, aiming at studying their antitumor effect on solid carcinoma and EAC-bearing mice. To this end, Au-dextran NPs were designed via simple eco-friendly chemical reaction and they were characterized revealing the monodispersed particles with narrow distributed size of around 49nm with high negative charge. In vivo experiments were performed on mice...
May 15, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28525424/metastatic-melanoma-with-papillary-features-a-mimic-and-possible-diagnostic-pitfall
#18
Alberto Valero-Torres, Victor G Prieto, Priyadharsini Nagarajan, Carlos A Torres-Cabala, Michael T Tetzlaff, Jonathan L Curry, Doina Ivan, Phyu P Aung
Papillary and pseudopapillary features are histopathologic findings typically associated with carcinomas (thyroid, pancreas, breast, prostate, bladder, kidney, or ovary) or mesothelioma. Melanoma is typically composed of nested and variably pigmented atypical cells. Here, we report a case of in-transit metastasis of melanoma presenting with prominent papillary features, and we discuss the differential diagnoses of neoplasms with papillary features. This case report suggests that the spectrum of neoplasms with papillary features should be expanded to include melanoma, a pattern that, to the best of our knowledge, is uncommon...
June 2017: American Journal of Dermatopathology
https://www.readbyqxmd.com/read/28518060/analysis-of-healthy-and-tumour-dna-methylation-distributions-in-kidney-renal-clear-cell-carcinoma-using-kullback-leibler-and-jensen-shannon-distance-measures
#19
Nithya Ramakrishnan, Ranjan Bose
DNA methylation is an epigenetic phenomenon in which methyl groups get bonded to the cytosines of the DNA molecule altering the expression of the associated genes. Cancer is linked with hypo or hyper-methylation of specific genes as well as global changes in DNA methylation. In this study, the authors study the probability density function distribution of DNA methylation in various significant genes and across the genome in healthy and tumour samples. They propose a unique 'average healthy methylation distribution' based on the methylation values of several healthy samples...
June 2017: IET Systems Biology
https://www.readbyqxmd.com/read/28515811/first-line-sunitinib-or-pazopanib-in-metastatic-renal-cell-carcinoma-the-canadian-experience
#20
Aly-Khan A Lalani, Haocheng Li, Daniel Y C Heng, Lori Wood, Austin Kalirai, Georg A Bjarnason, Hao-Wen Sim, Christian K Kollmannsberger, Anil Kapoor, Sebastien J Hotte, Marie Vanhuyse, Piotr Czaykowski, M Neil Reaume, Denis Soulieres, Peter Venner, Scott North, Naveen S Basappa
INTRODUCTION: Clinical trial data has shown pazopanib to be non-inferior in overall survival (OS) compared to sunitinib as first-line treatment for metastatic renal cell carcinoma (mRCC). The purpose of this study was to evaluate outcomes and compare dose-modifying toxicities of mRCC patients treated with suntinib or pazopanib in the real-world setting. METHODS: Data were collected on mRCC patients using the prospective Canadian Kidney Cancer Information System (CKCis) database from January 2011 to November 2015...
March 2017: Canadian Urological Association Journal, Journal de L'Association des Urologues du Canada
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