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https://www.readbyqxmd.com/read/29457966/combined-treatment-with-valproic-acid-and-5-aza-2-deoxycytidine-synergistically-inhibits-human-clear-cell-renal-cell-carcinoma-growth-and-migration
#1
Wenjin Xi, Xu Chen, Jinbo Sun, Wei Wang, Yi Huo, Guoxu Zheng, Jieheng Wu, Yufang Li, Angang Yang, Tao Wang
BACKGROUND Histone acetylation and DNA methylation are important mammalian epigenetic modifications that participate in the regulation of gene expression. Because dysregulation of histone deacetylase and DNA methyltransferases are hallmarks of malignancy, they have become promising therapeutic targets. In this study, we explored the anti-tumor activity of valproic acid (VPA), a histone deacetylase inhibitor (HDACi) and 5-Aza-2'-deoxycytidine (5-Aza), an inhibitor of DNA methyltransferases, on renal cell carcinoma (RCC) cell lines 786-O and 769-P...
February 19, 2018: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/29456880/cost-effectiveness-of-nivolumab-in-patients-with-advanced-renal-cell-carcinoma-treated-in-the-united-states
#2
Charles McCrea, Sukhvinder Johal, Shuo Yang, Justin Doan
Background: We evaluated the cost-effectiveness of nivolumab versus everolimus in patients with advanced renal cell carcinoma (RCC) from a US payer perspective. Methods: A partitioned survival model consisting of three health states, progression-free survival (PFS), progressive disease, and death, was developed to evaluate the cost-effectiveness of intravenous nivolumab versus oral everolimus over a lifetime. The proportion of patients in each state was calculated based on parametric distributions fitted to PFS and overall survival (OS) data from CheckMate 025 (N = 821), a large randomized phase 3 trial of nivolumab versus everolimus for advanced RCC...
2018: Experimental Hematology & Oncology
https://www.readbyqxmd.com/read/29456733/fbxw7-regulates-renal-cell-carcinoma-migration-and-invasion-via-suppression-of-the-epithelial-mesenchymal-transition
#3
Hongchao He, Jun Dai, Zhaoping Xu, Wei He, Xiaojing Wang, Yu Zhu, Haofei Wang
F-box and WD repeat domain containing 7 (Fbxw7) is an F-box protein that belongs to the SKP1-CUL1-F-box protein E3 ligase complex and is responsible for transferring the ubiquitin molecule to the substrate, which results in its recognition and subsequent degradation by proteasomes. Furthermore, it can identify a network of signaling proteins that function in cell growth, diversion and apoptosis. In the present study, Fbxw7 was downregulated in renal cell carcinoma (RCC) tissues compared with the adjacent non-tumor tissues and its expression was significantly associated with the tumor-node-metastasis stage, lymph node metastasis and distant metastasis in patients with RCC...
March 2018: Oncology Letters
https://www.readbyqxmd.com/read/29456207/medical-renal-disease-in-tumor-nephrectomies-the-silent-killer
#4
Rohit Tewari, Rajat Bajaj, Reena Bharadwaj
In tumor nephrectomy specimens, the evaluation of the normal renal parenchyma is often overlooked. A patient with both end-stage renal diseases (ESRDs) with a renal cell carcinoma is more likely to die of the ESRD rather than cancer. At the time of nephrectomy, a pathologist has a large amount of tissue available to him to comment upon the presence of disease in the nonneoplastic kidney. Hence, this study was undertaken with the idea of characterizing disease in the nonneoplastic kidney at the time of tumor nephrectomy...
January 2018: Saudi Journal of Kidney Diseases and Transplantation
https://www.readbyqxmd.com/read/29456040/a-very-rare-case-of-renal-cell-carcinoma-metastasis-to-spermatic-cord-and-a-condensed-literature-review
#5
Ioannis Tsouknidas, Nikolaos Tasis, Charalambos Kokkinos, Helen Trihia, Dimitrios Filippou, Panagiotis Skandalakis, Theodoros Troupis
INTRODUCTION: Renal cell carcinoma (RCC) is proved to be the ninth most common malignancy. Two-third of the patients suffering from RCC will present metastases. Secondary metastases of RCC to spermatic cord are very rare. PRESENTATION OF CASE: In this report we present the case of a patient with renal cell carcinoma with metachronous metastasis to the spermatic cord occurring two years after the initial diagnosis of the disease. DISCUSSION: Our patient was treated according to EAU guidelines...
December 26, 2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/29455394/culture-in-embryonic-kidney-serum-and-xeno-free-media-as-renal-cell-carcinoma-and-renal-cell-carcinoma-cancer-stem-cells-research-model
#6
Krzysztof M Krawczyk, Damian Matak, Lukasz Szymanski, Cezary Szczylik, Camillo Porta, Anna M Czarnecka
The use of fetal bovine serum hinders obtaining reproducible experimental results and should also be removed in hormone and growth factor studies. In particular hormones found in FBS act globally on cancer cell physiology and influence transcriptome and metabolome. The aim of our study was to develop a renal carcinoma serum free culture model optimized for (embryonal) renal cells in order to select the best study model for downstream auto-, para- or endocrine research. Secondary aim was to verify renal carcinoma stem cell culture for this application...
February 17, 2018: Cytotechnology
https://www.readbyqxmd.com/read/29455379/comparative-study-of-different-classification-models-in-renal-cell-carcinoma
#7
Alejandro José Sastre-Heres, Irene Iglesias, Miguel Alaguero-Calero, Daniel Ruiz-Sánchez, Benito García-Díaz, Jaime Peña-Díaz
The aim of this study was to compare the Memorial Sloan-Kettering Cancer Center (MSKCC) and the Cleveland Clinic Foundation (CCF) models of classification of aRCC patients. In addition, the model developed from the pivotal trial of temsirolimus and those proposed by Motzer et al. in 2004, Escudier et al., Heng et al., Choueiri et al. and Bamias et al. were examined. An observational, retrospective study of patients starting first-line systemic therapy was conducted between 2008 and 2011. The variables used to evaluate the classification models were median overall survival (mOS) and median progression-free survival (mPFS)...
February 17, 2018: Pathology Oncology Research: POR
https://www.readbyqxmd.com/read/29454759/chromosomal-numerical-aberration-pattern-in-papillary-renal-cell-carcinoma-review-article
#8
REVIEW
Tomas Pitra, Kristyna Pivovarcikova, Reza Alaghehbandan, Ondrej Hes
Traditionally, papillary renal cell carcinomas (PRCCs) have been divided in two subgroups - type 1 and type 2. Based on recent molecular and genetic developments in the understanding of RCCs, it seems that this traditional classification may not be adequate and that the spectrum of PRCCs is much wider than initially proposed. Small series of distinct types of PRCC which do not fit into the above mentioned categories have been described in the literature. Published studies investigating molecular genetic changes in various types of PRCCs have shown that the molecular genetic features are remarkably heterogeneous across the whole spectrum of PRCCs...
November 8, 2017: Annals of Diagnostic Pathology
https://www.readbyqxmd.com/read/29454639/neutrophil-to-lymphocyte-ratio-platelet-to-lymphocyte-ratio-and-c-reactive-protein-as-new-and-simple-prognostic-factors-in-patients-with-metastatic-renal-cell-cancer-treated-with-tyrosine-kinase-inhibitors-a-systemic-review-and-meta-analysis
#9
Aleksandra Semeniuk-Wojtaś, Arkadiusz Lubas, Rafał Stec, Tomasz Syryło, Stanisław Niemczyk, Cezary Szczylik
BACKGROUND: Inflammation plays a crucial role in cancer development. In this study, we evaluate the prognostic values of systemic inflammation markers such as neutrophil-to-lymphocyte ratio (NLR), platelet-to-lymphocyte ratio (PLR), and C-reactive protein (CRP) for the progression-free survival and overall survival in patients with metastatic renal cell carcinoma treated with tyrosine kinase inhibitors. MATERIALS AND METHODS: PubMed and the Cochrane Library databases were searched for published studies on the effect of NLR, PLR, and CRP in patients with metastatic renal cell carcinoma treated with tyrosine kinase inhibitors...
February 2, 2018: Clinical Genitourinary Cancer
https://www.readbyqxmd.com/read/29454577/morphological-clues-to-the-appropriate-recognition-of-hereditary-renal-neoplasms
#10
REVIEW
Holger Moch, Riuko Ohashi, Jatin S Gandhi, Mahul B Amin
An important emerging role of the surgical pathologist besides the traditional tasks of establishment of the diagnosis and documentation of prognostic and predictive factors, is to recognize the possibility of a hereditary condition in cases where the histology is suggestive for a familial cancer syndrome. In recent years, the knowledge regarding all of the above roles, including the role of recognition of familial cancer, has particularly expanded in renal neoplasms with the close scrutiny to morphology, molecular correlates and clinical features of the different sub-types of renal cell carcinoma...
February 14, 2018: Seminars in Diagnostic Pathology
https://www.readbyqxmd.com/read/29454306/record-4-multicenter-phase-2-trial-of-second-line-everolimus-in-patients-with-metastatic-renal-cell-carcinoma-asian-versus-non-asian-population-subanalysis
#11
Lin Yang, Anna Alyasova, Dingwei Ye, Antonia Ridolfi, Luca Dezzani, Robert J Motzer
BACKGROUND: RECORD-4 assessed everolimus in patients with metastatic renal cell carcinoma (mRCC) who progressed after 1 prior anti-vascular endothelial growth factor (VEGF) or cytokine and reinforced the clinical benefit of second-line everolimus. Because of the high percentage of patients from China enrolled in RECORD-4 (41%) and some reported differences in responses to certain targeted agents between Chinese and Western patients, this subanalysis evaluated outcomes in Asian versus non-Asian patients...
February 17, 2018: BMC Cancer
https://www.readbyqxmd.com/read/29453736/reproductive-epidemiology-of-glial-tumors-may-reveal-novel-treatments-high-dose-progestins-or-progesterone-antagonists-as-endocrino-immune-modifiers-against-glioma
#12
REVIEW
Meric A Altinoz, Aysel Ozpinar, Ilhan Elmaci
Female gender, contraceptives, and menopausal hormone replacement treatments containing progesterone analogues associate with higher risk of meningiomas yet with lower risk of gliomas. Progesterone receptor (PR) expression and mifepristone treatment was highly discussed for meningiomas. However, much less is known in regard to progesterone actions in gliomas despite PR expression strongly correlates with their grade. Meningiomas and gliomas may grow faster during gestation; but paradoxically, parousity reduces lifetime risk of gliomas which can be explained with dichotomous cell growth-stimulating and inhibitory actions of progesterone at low versus high levels...
February 17, 2018: Neurosurgical Review
https://www.readbyqxmd.com/read/29453609/leptin-receptor-gene-a-g-polymorphism-rs1137101-and-renal-cell-carcinoma
#13
Azza M Abdu Allah, Sally M El-Hefnway, Alshimaa M Alhanafy, Ahmed M Zahran, Heba E Kasem
Leptin plays an important role in carcinogenesis as leptin/leptin receptor signaling promotes the angiogenesis, proliferation, and inhibits epithelial cell apoptosis. Variants in the leptin receptor gene have potential associations with renal cell carcinoma (RCC). We aimed to investigate association of rs1137101 (A/G) polymorphism at LEPR gene with risk of RCC and patients survival. 123 individuals were classified into group I: 73 RCC patients and group II: 50 healthy controls. Genotyping of the Gln223Arg (A/G) polymorphism rs1137101 at LEPR gene was analyzed using allelic discrimination assay by Real-Time PCR technique...
February 16, 2018: Molecular and Cellular Biochemistry
https://www.readbyqxmd.com/read/29453166/skull-metastasis-revealing-a-renal-tumor-a-case-report-and-review-of-the-literature
#14
Mohamed Badri, Ghassen Gader, Kamel Bahri, Ihsen Zammel
BACKGROUND: Renal cell carcinomas represent 85% of malignant renal tumors. Typically, the tumor remains asymptomatic a long time before the appearance of urologic clinical signs. In some cases, metastasis can precede the manifestations of the primary tumor. Different sites are potential metastatic localizations for renal tumors, including skull metastases who represent a very rare location. CASE DESCRIPTION: We report the case of a 65-year-old man presented after the appearance of a skull mass...
February 10, 2018: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/29452772/metabolic-and-lipidomic-reprogramming-in-renal-cell-carcinoma-subtypes-reflects-regions-of-tumor-origin
#15
Elke Schaeffeler, Florian Büttner, Anna Reustle, Verena Klumpp, Stefan Winter, Steffen Rausch, Pascale Fisel, Jörg Hennenlotter, Stephan Kruck, Arnulf Stenzl, Judith Wahrheit, Denise Sonntag, Marcus Scharpf, Falko Fend, Abbas Agaimy, Arndt Hartmann, Jens Bedke, Matthias Schwab
BACKGROUND: Renal cell carcinoma (RCC) consists of prognostic distinct subtypes derived from different cells of origin (eg, clear cell RCC [ccRCC], papillary RCC [papRCC], and chromophobe RCC [chRCC]). ccRCC is characterized by lipid accumulation and metabolic alterations, whereas data on metabolic alterations in non-ccRCC are limited. OBJECTIVE: We assessed metabolic alterations and the lipid composition of RCC subtypes and ccRCC-derived metastases. Moreover, we elucidated the potential of metabolites/lipids for subtype classification and identification of therapeutic targets...
February 13, 2018: European Urology Focus
https://www.readbyqxmd.com/read/29451857/micrornas-as-predictive-biomarkers-of-response-to-tyrosine-kinase-inhibitor-therapy-in-metastatic-renal-cell-carcinoma
#16
Julia Kovacova, Alexandr Poprach, Tomas Buchler, William C Cho, Ondrej Slaby
Renal cell carcinoma (RCC) accounts for 2%-3% of all malignant tumours. The first-choice treatment in metastatic RCC (mRCC) patients is tyrosine kinase inhibitors (TKIs). Although TKIs may prolong survival of the treated patients who are not primary resistant, almost all of them will eventually develop secondary resistance to the treatment after a progression-free period. To predict treatment response, thus, we need efficient biomarkers for rational indication of TKIs in mRCC. MicroRNAs (miRNAs) not only play important roles in the pathogenesis of many cancers, including RCC but also have been shown to serve as promising diagnostic, prognostic and predictive biomarkers in various cancers...
February 16, 2018: Clinical Chemistry and Laboratory Medicine: CCLM
https://www.readbyqxmd.com/read/29451277/tivozanib-a-new-treatment-option-for-renal-cell-carcinoma
#17
L Saes, F A L M Eskens
Tivozanib is a tyrosine kinase inhibitor that targets all vascular endothelial growth factor receptors (VEGFRs), causing inhibition of angiogenesis. It has recently been approved by the European Medicines Agency (EMA) for first-line treatment of adult patients with advanced renal cell carcinoma (RCC) and for adult patients who are VEGFR and mammalian target of rapamycin (mTOR) pathway inhibitor-naive, following disease progression after one prior treatment with cytokine therapy for advanced RCC. This review will focus on mechanisms of action, early drug development and results of published and ongoing clinical trials of tivozanib...
November 2017: Drugs of Today
https://www.readbyqxmd.com/read/29450803/a-rare-case-of-acute-presentation-of-trocar-site-hernia-from-robot-assisted-laparoscopic-partial-nephrectomy
#18
Zi Qin Ng, Richard Pemberton, Patrick Tan
Trocar site hernia is not a common acute complication encountered after robot-assisted surgery, especially in the urological cohort of patients. A few case reports of small bowel obstruction secondary to incarceration by trocar site hernia have been described in gynaecological surgery and prostatectomies. As the clinical presentation is non-specific, late diagnosis has significant implication on morbidity and mortality. Here, we present a rare case of a patient with recent robot-assisted laparoscopic partial nephrectomy for a renal cell carcinoma presented with features of impending bowel obstruction secondary to incarcerated small bowel in the trocar site...
February 15, 2018: Journal of Robotic Surgery
https://www.readbyqxmd.com/read/29450259/hand-assisted-laparoscopic-partial-nephrectomy-for-large-renal-carcinoma-with-succinate-dehydrogenase-deficiency
#19
Ann Buhl Bersang, Sarah Bube, Mikkel Fode, Nessn H Azawi
Background: Germline mutations in succinate dehydrogenase (SDH) are associated with multifocal cancers: pituitary gland tumors, pheochromocytomas, paragangliomas, gastrointestinal stromal tumors, and renal-cell carcinomas (RCCs). SDH-deficient renal-cell carcinoma (SDH-RCC) was first identified in 2004 as an inherited kidney cancer with mutations in the SDH gene. SDH consists of A, B, C, and D units. Mutation in the SDHB gene is the most common mutation in SDH-deficient RCCs. Case Presentation: We report a case of a 51-year-old healthy man diagnosed with SDHB germline mutation and RCCs...
2018: Journal of Endourology Case Reports
https://www.readbyqxmd.com/read/29449898/targeted-therapy-of-brain-metastases-latest-evidence-and-clinical-implications
#20
REVIEW
Rodica Di Lorenzo, Manmeet S Ahluwalia
Brain metastases (BM) occur in 20-40% of patients with cancer and 60-75% of patients with BM become symptomatic. Due to an aging population and advances in the treatment of primary cancers, patients are living longer and are more likely to experience complications from BM. The diagnosis of BM drastically worsens long-term survival rates, with multiple metastases being a poor prognostic factor. Until recently, the mainstay of treatment consisted of stereotactic radiosurgery (SRS), surgical resection, whole brain radiation therapy (WBRT), or a combination of these modalities...
December 2017: Therapeutic Advances in Medical Oncology
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