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https://www.readbyqxmd.com/read/28088772/thrombospondin-immune-regulation-and-the-kidney
#1
Claudio Ponticelli, Hans-Joachim Anders
Most therapeutic attempts to prevent the progression of kidney diseases have been based on interventions to inhibit the production of transforming growth factor-β (TGF-β). Thrombospondins (TSPs) play an important role in activating TGF-β. In the healthy kidney, two TSPs are expressed, TSP1 and TSP2, which exert contrasting effects. While TSP1 is a major activator of TGF-β in renal cells and exerts pro-inflammatory effects both in vitro and in vivo, TSP2 lacks the ability for TGF-β activation but regulates matrix remodeling and inflammation in experimental kidney disease...
January 14, 2017: Nephrology, Dialysis, Transplantation
https://www.readbyqxmd.com/read/28087329/influence-of-health-and-functional-status-and-co-occurring-chronic-conditions-on-healthcare-expenditures-among-community-dwelling-adults-with-kidney-cancer-in-the-united-states-a-propensity-score-matched-analysis
#2
Sandipan Bhattacharjee, Mahdi Gharaibeh, Muhammad Umar Kamal, Irbaz Bin Riaz
BACKGROUND: Health and functional status, as well as co-occurring chronic conditions, have a profound influence on healthcare expenditures. However, no study to date has assessed their influence among community-dwelling adults with kidney cancer (KC) in the United States (US). This study assessed the impact of health and functional status, along with co-occurring chronic conditions, on KC healthcare expenditures. METHODS: This study used a retrospective, cross-sectional, propensity-score-matched, case-control study design using 2002 to 2011 Medical Expenditure Panel Survey data...
December 29, 2016: Clinical Genitourinary Cancer
https://www.readbyqxmd.com/read/28081299/ultrasound-detection-of-regional-oxidative-stress-in-deep-tissues-using-novel-enzyme-loaded-nanoparticles
#3
Emilia S Olson, Inanc Ortac, Christopher Malone, Sadik Esener, Robert Mattrey
Oxidative stress is a powerful tool that is critical to immune mediated responses in healthy individuals, yet additionally plays a crucial role in development of cancer, inflammatory pathologies, and tissue ischemia. Despite this, there remain relatively few molecular tools to study oxidative stress, particularly in living mammals. To develop an intravenously injectable probe capable of labeling sites of oxidative stress in vivo, 200 nm catalase synthetic hollow enzyme loaded nanospheres (catSHELS) are designed and fabricated using a versatile enzyme nanoencapsulation method...
January 12, 2017: Advanced Healthcare Materials
https://www.readbyqxmd.com/read/28078247/effects-of-biebersteinia-multifida-hydro-ethanol-extract-on-proliferation-and-apoptosis-of-human-prostate-cancer-and-human-embryonic-kidney-cells
#4
Alireza Golshan, Samira Hassanzadeh, Maryam Mojdekanloo, Zahra Tayarani-Najaran
OBJECTIVE: Biebersteinia (Geraniaceae) has a history of use in traditional medicine in some countries including Iran. In the present study, cytotoxic and apoptogenic properties of hydro-ethanol extract of B. multifidi was investigated on human prostate cancer cell lines (PC3 and DU 145) and human embryonic kidney 293 (HEK293) cells. MATERIALS AND METHODS: Cells were cultured in RPMI-1640 medium supplemented with 10% FBS at 37ºC in a humidified atmosphere of 95% air and 5% CO2...
November 2016: Avicenna Journal of Phytomedicine
https://www.readbyqxmd.com/read/28077268/development-of-high-resolution-3d-hyperpolarized-carbon-13-mr-molecular-imaging-techniques
#5
Eugene Milshteyn, Cornelius von Morze, Galen D Reed, Hong Shang, Peter J Shin, Zihan Zhu, Hsin-Yu Chen, Robert Bok, Andrei Goga, John Kurhanewicz, Peder E Z Larson, Daniel B Vigneron
The goal of this project was to develop and apply techniques for T2 mapping and 3D high resolution (1.5 mm isotropic; 0.003 cm(3)) (13)C imaging of hyperpolarized (HP) probes [1-(13)C]lactate, [1-(13)C]pyruvate, [2-(13)C]pyruvate, and [(13)C,(15)N2]urea in vivo. A specialized 2D bSSFP sequence was implemented on a clinical 3T scanner and used to obtain the first high resolution T2 maps of these different hyperpolarized compounds in both rats and tumor-bearing mice. These maps were first used to optimize timings for highest SNR for single time-point 3D bSSFP acquisitions with a 1...
January 7, 2017: Magnetic Resonance Imaging
https://www.readbyqxmd.com/read/28077238/patterns-of-care-and-clinical-outcomes-in-patients-with-metastatic-renal-cell-carcinoma-results-from-a-tertiary-cancer-center-in-india
#6
Anant Ramaswamy, Amit Joshi, Vanita Noronha, Vijay M Patil, Rushabh Kothari, Arvind Sahu, Ram Abhinav Kannan, Nilesh Sable, Palak Popat, Santosh Menon, Kumar Prabhash
INTRODUCTION: The current treatment of metastatic renal cell carcinoma (mRCC) revolves around targeted agents, which have resulted in a median overall survival of 22 to 26 months in registration trials. However, the outcomes in a non-trial, real-world Indian population have not yet been evaluated. MATERIALS AND METHODS: The present study was a part of a prospective Clinical Trials Registry-India-registered study, the Kidney Cancer Registry, a prospectively maintained kidney cancer registry...
October 19, 2016: Clinical Genitourinary Cancer
https://www.readbyqxmd.com/read/28077049/evaluation-on-biological-compatibility-of-carboxymethyl-chitosan-as-biomaterials-for-antitumor-drug-delivery
#7
Zhiwen Jiang, Baoqin Han, Wanshun Liu, Yanfei Peng
Carboxymethyl-chitosan, a water-soluble derivative of chitosan, has emerged as a promising candidate for biomedical applications due to its excellent water solubility, biodegradation, biocompatibility, hydrating, antimicrobial, and nontoxicity. In this paper, the antitumor proliferation and metastasis was studied in vitro and in vivo to evaluate biocompatibility of carboxymethyl-chitosan as biomaterials for antitumor drug delivery. The results showed that carboxymethyl-chitosan could significantly reduce the clone formation and tumor migration of human cancer cells including kidney cancer cell line OS-RC-2, gastric cancer cell line SGC-7901, colon cancer cell line HT-29, and nonsmall cell lung cancer cell line NCI-H1650 in vitro...
January 1, 2017: Journal of Biomaterials Applications
https://www.readbyqxmd.com/read/28076863/adverse-renal-effects-of-immune-checkpoint-inhibitors-a-narrative-review
#8
Rimda Wanchoo, Sabine Karam, Nupur N Uppal, Valerie S Barta, Gilbert Deray, Craig Devoe, Vincent Launay-Vacher, Kenar D Jhaveri
BACKGROUND: Cancer immunotherapy, such as anti-cytotoxic T-lymphocyte-associated protein 4 (CTLA-4) and anti-programmed death 1 (PD-1), has revolutionized the treatment of malignancies by engaging the patient's own immune system against the tumor rather than targeting the cancer directly. These therapies have demonstrated a significant benefit in the treatment of melanomas and other cancers. SUMMARY: In order to provide an extensive overview of the renal toxicities induced by these agents, a Medline search was conducted of published literature related to ipilimumab-, pembrolizumab-, and nivolumab-induced kidney toxicity...
January 12, 2017: American Journal of Nephrology
https://www.readbyqxmd.com/read/28076321/secretion-modification-region-derived-peptide-blocks-exosome-release-and-mediates-cell-cycle-arrest-in-breast-cancer-cells
#9
Ming-Bo Huang, Ruben R Gonzalez, James Lillard, Vincent C Bond
PURPOSE: Discovery and development of a novel anticancer PEG-SMR-Clu peptide to prevent breast cancer metastasis. How breast cancer cells and primary mammary epithelial cells interact and communicate with each other to promote tumorigenesis and how to prevent tumor metastasis has long been a concern of researchers. Cancer cells secrete exosomes containing proteins and RNA. These factors can influence tumor development by directly targeting cancer cells and tumor stroma. In this study, we determined the effects of a peptide as an inhibitor of exosome secretion on breast tumors...
January 5, 2017: Oncotarget
https://www.readbyqxmd.com/read/28073412/-clinical-effect-of-ultrasound-guided-injection-of-biodegradable-poly-lactic-co-glycolic-acid-fe3o4-in-situ-implant-for-magnetic-thermal-ablation-in-treatment-of-nude-mice-with-human-liver-cancer-smmc-7721-cells
#10
B Liang, G Q Zuo, Y Y Zheng, S He, D Y Zuo
Objective: To prepare the Fe3O4-loaded biodegradable liquid-solid phase inversion poly(lactic-co-glycolic acid) (PLGA) in situ implant for ultrasound-guided injection into nude mouse tumor model, and to investigate its clinical effect in thermomagnetic treatment of nude mice with human liver cancer SMMC-7721 cells in an alternating magnetic field. Methods: An in situ implant containing 10% Fe3O4 was prepared, and 50 μl Fe3O4-PLGA-NMP gel was injected into the subcutaneous tissue of Kunming mice. The degradation of this material was observed for 2 consecutive months, and the changes in body weight were recorded...
December 20, 2016: Zhonghua Gan Zang Bing za Zhi, Zhonghua Ganzangbing Zazhi, Chinese Journal of Hepatology
https://www.readbyqxmd.com/read/28070988/renal-clearable-noble-metal-nanoparticles-photoluminescence-elimination-and-biomedical-applications
#11
REVIEW
Jing Xu, Chuanqi Peng, Mengxiao Yu, Jie Zheng
Metal nanoparticles have demonstrated broad and promising biomedical applications in research laboratories, but how to fulfill their promises in the clinical practices demands extensive effort to minimize their non-specific accumulation in the body. In the past 6 years, we have developed a class of renal clearable noble metal nanoparticles with tunable visible and near-infrared emission, which can behave like small molecular contrast agents to be effectively eliminated through the kidneys. By taking advantage of the unique clearance pathway, we were able to gain some fundamental understanding of how engineering nanoparticles cleared out of the body through urinary system...
January 10, 2017: Wiley Interdisciplinary Reviews. Nanomedicine and Nanobiotechnology
https://www.readbyqxmd.com/read/28069692/genes-involved-in-development-and-differentiation-are-commonly-methylated-in-cancers-derived-from-multiple-organs-a-single-institutional-methylome-analysis-using-1007-tissue-specimens
#12
Kentaro Ohara, Eri Arai, Yoriko Takahashi, Nanako Ito, Ayako Shibuya, Koji Tsuta, Ryoji Kushima, Hitoshi Tsuda, Hidenori Ojima, Hiroyuki Fujimoto, Shun-Ichi Watanabe, Hitoshi Katai, Takayuki Kinoshita, Tatsuhiro Shibata, Takashi Kohno, Yae Kanai
The aim of this study was to clarify the significance of DNA methylation alterations shared by cancers derived from multiple organs. We analyzed single-institutional methylome data by single-CpG-resolution Infinium assay for 1,007 samples of non-cancerous tissue (N) and corresponding cancerous tissue (T) obtained from lung, stomach, kidney, breast and liver. Principal component analysis revealed that N samples of each organ showed distinct DNA methylation profiles, DNA methylation profiles of N samples of each organ being inherited by the corresponding T samples and DNA methylation profiles of T samples being more similar to those of N samples in the same organ than those of T samples in other organs...
January 9, 2017: Carcinogenesis
https://www.readbyqxmd.com/read/28069585/expression-of-hmgb2-indicates-worse-survival-of-patients-and-is-required-for-the-maintenance-of-warburg-effect-in-pancreatic-cancer
#13
Xin Cai, Hongjian Ding, Yanxia Liu, Gaofeng Pan, Qingguo Li, Zhen Yang, Weiyan Liu
High mobility group proteins (HMGs) are the second most abundant chromatin proteins and exert global genomic functions in the establishment of active or inactive chromatin domains. Through interaction with nucleosomes, transcription factors, nucleosome-remodeling machines and histones, the HMGs family proteins contribute to the fine tuning of transcription in response to rapid environmental changes. Mammalian high mobility group Bs (HMGBs) are characterized by two tandem HMG box domains followed by a long acidic tail...
January 9, 2017: Acta Biochimica et Biophysica Sinica
https://www.readbyqxmd.com/read/28069330/top2a-hells-atad2-and-tet3-are-novel-prognostic-markers-in-renal-cell-carcinoma
#14
Dong Chen, Matthias Maruschke, Oliver Hakenberg, Wolfgang Zimmermann, Christian G Stief, Alexander Buchner
OBJECTIVE: To identify and validate novel prognostic marker genes in clear cell renal cell carcinoma (RCC) that are increasingly expressed during tumor progression. METHODS: Total RNA was isolated from normal renal tissue, primary G1 and G3 tumors, 14 samples each, and 32 metastases from RCC patients. Expression profiles were created using oligonucleotide microarrays. Significant gene expression differences (p<0.05) were identified between normal kidney, primary tumor and metastases...
January 6, 2017: Urology
https://www.readbyqxmd.com/read/28069018/intraoperative-radiation-therapy-iort-in-pancreatic-cancer
#15
REVIEW
Robert Krempien, Falk Roeder
Despite the important improvements made in the fields of surgery, chemotherapy and radiation therapy, pancreatic cancer remains one of the most lethal malignancies. Improved outcomes with novel chemotherapy regimes led again to increased attention on the role of localized radiotherapy, since local tumor progression causes significant morbidity and mortality in patients. Even after resection local failure rates are as high as 50-80%. The immediate proximity to critical structures (bone marrow, spinal cord, kidneys, liver, and intestine) limits the dose of radiation that can be administered to the tumor bed with conventional external beam radiation therapy (EBRT)...
January 10, 2017: Radiation Oncology
https://www.readbyqxmd.com/read/28067588/health-benefits-of-fiber-fermentation
#16
Wendy J Dahl, Nicole C Agro, Åsa M Eliasson, Kaley L Mialki, Joseph D Olivera, Carley T Rusch, Carly N Young
Although fiber is well recognized for its effect on laxation, increasing evidence supports the role of fiber in the prevention and treatment of chronic disease. The aim of this review is to provide an overview of the health benefits of fiber and its fermentation, and describe how the products of fermentation may influence disease risk and treatment. Higher fiber intakes are associated with decreased risk of cardiovascular disease, type 2 diabetes, and some forms of cancer. Fiber may also have a role in lowering blood pressure and in preventing obesity by limiting weight gain...
January 9, 2017: Journal of the American College of Nutrition
https://www.readbyqxmd.com/read/28065767/derivation-and-internal-validation-of-a-clinical-prediction-tool-for-30-day-mortality-in-lower-gastrointestinal-bleeding
#17
Neil Sengupta, Elliot B Tapper
BACKGROUND AND AIMS: There are limited data to predict which patients with lower gastrointestinal bleeding are at risk for adverse outcomes. We aimed to develop a clinical tool based on admission variables to predict 30-day mortality in lower gastrointestinal bleeding. METHODS: We used a validated machine learning algorithm to identify adult patients hospitalized with lower gastrointestinal bleeding at an academic medical center between 2008 and 2015. The cohort was split randomly into a derivation and validation cohort...
January 5, 2017: American Journal of Medicine
https://www.readbyqxmd.com/read/28065429/eyelid-metastasis-as-first-presentation-of-renal-cell-carcinoma
#18
R Cabrera-Beyrouti, E Campos-Mollo, E Rico-Santos, D N Jiménez-Rodríguez, M Lledó-Riquelme, J Vierna-García
CASE REPORT: An 87-year-old male presented with a slow-growing, painless and well defined nodule in the upper eyelid. The tumour measured 1cm, and was pigmented and adhered to deep planes. The histopathology analysis was compatible with renal cell carcinoma. The extension study showed a tumour mass in each kidney, as well as multiple pulmonary metastases. DISCUSSION: The ophthalmologist can play an important role in the diagnosis of metastatic cancer when eye disease is present...
January 5, 2017: Archivos de la Sociedad Española de Oftalmología
https://www.readbyqxmd.com/read/28065395/serial-retrograde-instillations-of-sustained-release-formulation-of-mitomycin-c-to-the-upper-urinary-tract-of-the-yorkshire-swine-using-a-thermosensitive-polymer-safety-and-feasibility
#19
Nicholas M Donin, Dalit Strauss-Ayali, Yael Agmon-Gerstein, Nadav Malchi, Andrew T Lenis, Stuart Holden, Allan J Pantuck, Arie S Belldegrun, Karim Chamie
BACKGROUND: MitoGel is a novel drug formulation intended for the treatment of upper tract urothelial cancer with proven feasibility and safety in an animal model. OBJECTIVE: To evaluate the feasibility, safety, toxicokinetics, and histologic changes associated with serial retrograde MitoGel instillations to the upper urinary tract in a swine model. DESIGN, SETTING, AND PARTICIPANTS: Overall, 27 Yorkshire swine underwent 6 once-weekly unilateral retrograde instillations of MitoGel...
January 3, 2017: Urologic Oncology
https://www.readbyqxmd.com/read/28064632/protective-effects-of-apigenin-and-myricetin-against-cisplatin-induced-nephrotoxicity-in-mice
#20
Samar M Hassan, Marwa M Khalaf, Sawsan A Sadek, Amira M Abo-Youssef
CONTEXT: Currently, the outcomes of the use of cisplatin in cancer therapy is limited by nephrotoxicity. OBJECTIVE: This study aims to investigate the nephroprotective role of apigenin and myricetin against cisplatin-induced nephrotoxicity in mice. MATERIALS AND METHODS: Adult female Wistar Albino mice were divided into eight groups (n = 8). Group I served as normal control. Groups II, III and IV received apigenin (3 mg/kg, i.p.), myricetin (3 mg/kg, i...
December 2017: Pharmaceutical Biology
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