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https://www.readbyqxmd.com/read/28089754/stem-cell-therapy-an-emerging-modality-in-glomerular-diseases
#1
REVIEW
Umang G Thakkar, Aruna V Vanikar, Hargovind L Trivedi
The kidney has been considered a highly terminally differentiated organ with low proliferative potential and thus unlikely to undergo regeneration. Glomerular disease progresses to end-stage renal disease (ESRD), which requires dialysis or renal transplantation for better quality of life for patients with ESRD. Because of the shortage of implantable kidneys and complications such as immune rejection, septicemia and toxicity of immunosuppression, kidney transplantation remains a challenge. Therapeutic options available for glomerular disease include symptomatic treatment and strategies to delay progression...
January 12, 2017: Cytotherapy
https://www.readbyqxmd.com/read/28081211/development-and-validation-of-a-clinical-prediction-rule-for-bacteremia-among-maintenance-hemodialysis-patients-in-outpatient-settings
#2
Sho Sasaki, Takeshi Hasegawa, Hiroo Kawarazaki, Atsushi Nomura, Daisuke Uchida, Takahiro Imaizumi, Masahide Furusho, Hiroki Nishiwaki, Shingo Fukuma, Yugo Shibagaki, Shunichi Fukuhara
BACKGROUND: To our knowledge, no reliable clinical prediction rule (CPR) for identifying bacteremia in hemodialysis (HD) patients has been established. The aim of this study was to develop a CPR for bacteremia in maintenance HD patients visiting the outpatient department. METHODS: This multicenter cohort study involved consecutive maintenance HD patients who visited the outpatient clinic or emergency room of seven Japanese institutions between August 2011 and July 2013...
2017: PloS One
https://www.readbyqxmd.com/read/28072752/a-simpler-blood-test-for-monitoring-kidney-transplant-recipients-a-disrupting-innovation
#3
Christine M Wu, Sundaram Hariharan
No abstract text is available yet for this article.
January 9, 2017: Transplantation
https://www.readbyqxmd.com/read/28065734/laparoscopic-roux-en-y-gastric-bypass-in-adolescents-with-severe-obesity-amos-a-prospective-5-year-swedish-nationwide-study
#4
Torsten Olbers, Andrew J Beamish, Eva Gronowitz, Carl-Erik Flodmark, Jovanna Dahlgren, Gustaf Bruze, Kerstin Ekbom, Peter Friberg, Gunnar Göthberg, Kajsa Järvholm, Jan Karlsson, Staffan Mårild, Martin Neovius, Markku Peltonen, Claude Marcus
BACKGROUND: Severe obesity in adolescence is associated with reduced life expectancy and impaired quality of life. Long-term benefits of conservative treatments in adolescents are known to be modest, whereas short-term outcomes of adolescent bariatric surgery are promising. We aimed to compare 5-year outcomes of adolescent surgical patients after Roux-en-Y gastric bypass with those of conservatively treated adolescents and of adults undergoing Roux-en-Y gastric bypass, in the Adolescent Morbid Obesity Surgery (AMOS) study...
January 5, 2017: Lancet Diabetes & Endocrinology
https://www.readbyqxmd.com/read/28064444/phosphate-binders-and-targets-over-decades-do-we-have-it-right-now
#5
Morgan Marcuccilli, Michel Chonchol, Anna Jovanovich
In advanced renal disease, the kidney is unable to maintain phosphate balance due to decreased urinary excretion as well as the imbalance of the bone metabolic axis. It is well established that hyperphosphatemia is associated with increased cardiovascular events and mortality in patients with chronic kidney disease (CKD). However, there are no randomized controlled trials that demonstrate a clear benefit on hard outcomes in lowering serum phosphate levels to recommended targets in the CKD or dialysis population...
January 8, 2017: Seminars in Dialysis
https://www.readbyqxmd.com/read/28057185/urine-exosomes-an-emerging-trove-of-biomarkers
#6
J M Street, E H Koritzinsky, D M Glispie, R A Star, P S T Yuen
Exosomes are released by most cells and can be isolated from all biofluids including urine. Exosomes are small vesicles formed as part of the endosomal pathway that contain cellular material surrounded by a lipid bilayer that can be traced to the plasma membrane. Exosomes are potentially a more targeted source of material for biomarker discovery than unfractionated urine, and provide diagnostic and pathophysiological information without an invasive tissue biopsy. Cytoplasmic contents including protein, mRNA, miRNA, and lipids have all been studied within the exosomal fraction...
2017: Advances in Clinical Chemistry
https://www.readbyqxmd.com/read/27995680/bay-81-8973-a-full-length-recombinant-factor-viii-manufacturing-processes-and-product-characteristics
#7
REVIEW
S Garger, J Severs, L Regan, A Hesslein, J Ignowski, P Wu, E Long, S Gupta, S Liu, W Wang
BAY 81-8973 (Kovaltry(®) , Bayer, Berkeley, CA, USA) is an unmodified, full-length recombinant human factor VIII (FVIII) approved for prophylaxis and on-demand treatment of bleeding episodes in patients with haemophilia A. The BAY 81-8973 manufacturing process is based on the process used for sucrose-formulated recombinant FVIII (rFVIII-FS), with changes and enhancements made to improve production efficiency, further augment pathogen safety, and eliminate animal- and human-derived raw materials from the production processes...
December 19, 2016: Haemophilia: the Official Journal of the World Federation of Hemophilia
https://www.readbyqxmd.com/read/27990438/the-experience-of-older-people-in-the-shared-decision-making-process-in-advanced-kidney-care
#8
Nicola Thomas, Karen Jenkins, Breeda McManus, Brian Gracey
Introduction. This qualitative descriptive study was designed to understand the experiences of older people (>70 years) when making a decision about renal replacement therapy. This was a coproduced study, whereby patients and carers were involved in all aspects of the research process. Methods. A Patient and Carer Group undertook volunteer and research training. The group developed the interview questions and interviewed 29 people who had commenced dialysis or made a decision not to have dialysis. Interview data were transcribed and analysed, and common themes were identified...
2016: BioMed Research International
https://www.readbyqxmd.com/read/27984318/systemic-inflammatory-response-syndrome-is-not-an-indicator-of-bateremia-in-hemodialysis-patients-with-native-accesses-a-multicenter-study
#9
Daisuke Uchida, Sho Sasaki, Hiroo Kawarazaki, Masahito Miyamoto, Atsushi Nomura, Kenichiro Koitabashi, Hiroki Nishiwaki, Yugo Shibagaki
Bloodstream infection (BSI) in hemodialysis (HD) patients is often difficult to diagnose. Systemic inflammatory response syndrome (SIRS) is a sensitive predictor of BSI in the general population. We aimed to assess the usefulness of SIRS in predicting BSI in HD patients.We designed a multi-center retrospective observational study of adult (age > 18 years) HD patients who underwent 2 sets of blood cultures for suspected BSI at first hospital visit from August 2011 to July 2012. Clinical, biological, and microbial data were evaluated to evaluate SIRS as a predictor of BSI upon initial presentation to the hospital...
December 13, 2016: ASAIO Journal: a Peer-reviewed Journal of the American Society for Artificial Internal Organs
https://www.readbyqxmd.com/read/27977906/new-insights-into-the-effects-of-biomaterial-chemistry-and-topography-on-the-morphology-of-kidney-epithelial-cells
#10
Frits Hulshof, Carolien Schophuizen, Milos Mihajlovic, Clemens van Blitterswijk, Rosalinde Masereeuw, Jan de Boer, Dimitrios Stamatialis
Increasing incidence of renal pathology in the western world calls for innovative research for the development of cell-based therapies such as a Bio-artificial kidney (BAK) device. To fulfill the multitude of kidney functions, the core component of the BAK is a "living membrane" consisting of a tight kidney cell monolayer with preserved functional organic ion transporters cultured on a polymeric membrane surface. This membrane, on one side, is in contact with blood and therefore there should have excellent blood compatibility whereas on the other side should facilitate functional monolayer formation...
December 15, 2016: Journal of Tissue Engineering and Regenerative Medicine
https://www.readbyqxmd.com/read/27968887/infection-prevention-with-natural-protein-based-coating-on-the-surface-of-foley-catheters-a-randomised-controlled-clinical-trial
#11
Peng Zhao, Qijing Chen, Chao Lin, Zhaofen Lin, Liang Chang, Xiaoping Shao, Yueming Li, Jiangong Zhang, Zhongpeng Fan, Xuejun Wen
BACKGROUND: Health-care-associated infections characterised by antibiotic drug resistance are a global medical challenge that claims billions of dollars of health-care expenditure. Bacterial adhesion and subsequent formation of biofilms on catheters and tubes are the primary mechanisms through which these infections are initiated and propagated. We tested the efficacy and safety for clinical treatment of a coating based on natural protein, in which immunogenicity was eliminated through physical plasticising, applied to the surfaces of medical devices to inhibit bacterial adhesion...
October 2016: Lancet
https://www.readbyqxmd.com/read/27960539/chemokine-receptor-cxcr4-plays-a-crucial-role-in-mediating-oxidative-stress-induced-podocyte-injury
#12
Hongyan Mo, Qinyu Wu, Jinhua Miao, Congwei Luo, Xue Hong, Yongping Wang, Lan Tang, Fan Fan Hou, Youhua Liu, Lili Zhou
AIMS: Oxidative stress plays a role in mediating podocyte injury and proteinuria. However, the underlying mechanism remains poorly understood. In this study, we investigated the potential role of CXCR4, the chemokine receptor for SDF-1α, in mediating oxidative stress-induced podocyte injury. RESULTS: In mouse model of adriamycin nephropathy (ADR), CXCR4 expression was significantly induced in podocytes as early as 3 days. This was accompanied by an increased upregulation of oxidative stress in podocyte, as demonstrated by MDA assay, nitrotyrosine staining and secretion of 8-OHdG in urine, and induction of NOX2 and NOX4, major subunits of NADPH oxidase...
December 13, 2016: Antioxidants & Redox Signaling
https://www.readbyqxmd.com/read/27941701/influence-of-tyrosine-kinase-inhibitors-on-hypertension-and-nephrotoxicity-in-metastatic-renal-cell-cancer-patients
#13
REVIEW
Aleksandra Semeniuk-Wojtaś, Arkadiusz Lubas, Rafał Stec, Cezary Szczylik, Stanisław Niemczyk
Renal cell carcinoma (RCC) is one of the most common kidney malignancies. An upgraded comprehension of the molecular biology implicated in the development of cancer has stimulated an increase in research and development of innovative antitumor therapies. The aim of the study was to analyze the medical literature for hypertension and renal toxicities as the adverse events of the vascular endothelial growth factor (VEGF) signaling pathway inhibitor (anti-VEGF) therapy. Relevant studies were identified in PubMed and ClinicalTrials...
December 9, 2016: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/27941433/kidney-fibrosis-origins-and-interventions
#14
Thomas Vanhove, Roel Goldschmeding, Dirk Kuypers
All causes of renal allograft injury, when severe and/or sustained, can result in chronic histological damage of which interstitial fibrosis and tubular atrophy (IF/TA) are dominant features. Unless a specific disease process can be identified, what drives IF/TA progression in individual patients is often unclear. In general, clinicopathological factors known to predict and drive allograft fibrosis include graft quality, inflammation (whether 'nonspecific' or related to a specific diagnosis), infections such as polyomavirus-associated nephropathy, calcineurin inhibitors and genetic factors...
December 8, 2016: Transplantation
https://www.readbyqxmd.com/read/27924508/ultrasonography-guided-percutaneous-nephrolithotomy-with-chinese-one-shot-tract-dilation-technique-based-on-stimulated-diuresis-a-report-of-67-cases
#15
Ying Shi, Hua-Geng Liang, Xiong Yang, Bo Hai, Liang Wang, Yi-Fei Xing, Wen Ju, Fu-Qing Zeng, Xiao-Ping Zhang, Wen-Cheng Li
The safety and effectiveness of a novel Chinese one-shot dilation technique based on stimulated diuresis for percutaneous nephrolithotomy (PCNL) were investigated. After the feasibility of the Chinese one-shot dilation based on stimulated diuresis was verified by an animal study, this technique was applied in the clinical practice. A total of 67 patients in our department underwent the modified PCNL from July 2014 to June 2015. After the renal infundibulum was distended by stimulated diuresis, the kidney was punctured under the ultrasonographic guidance via the fornix of the target calyx...
December 2016: Journal of Huazhong University of Science and Technology. Medical Sciences
https://www.readbyqxmd.com/read/27915328/critical-care-nephrology-a-multidisciplinary-approach
#16
Lilia Rizo-Topete, Claudio Ronco
Acute kidney injury (AKI) is a serious medical condition affecting millions of people. Patients in intensive care unit (ICU) who develop AKI have increased morbidity and mortality, prolonged length of stay in ICU and hospital and increased costs, especially when they require renal replacement therapy. In the latter case, morbidity and mortality increase further. In order to meet the needs of the critically ill patients, a multidisciplinary care team is required, combining the efforts of physicians and nurses from different disciplines as well as nephrologists and intensivists...
December 3, 2016: Blood Purification
https://www.readbyqxmd.com/read/27915185/anti-inflammatory-analgesic-and-anti-tumor-properties-of-gold-nanoparticles
#17
Raimundo Fernandes de Araújo, Aurigena Antunes de Araújo, Jonas Bispo Pessoa, Franscisco Paulo Freire Neto, Gisele Ribeiro da Silva, Ana Luiza C S Leitão Oliveira, Thaís Gomes de Carvalho, Heloiza F O Silva, Mateus Eugênio, Celso Sant'Anna, Luiz H S Gasparotto
BACKGROUND: Gold nanoparticles (GNPs) are regarded as potential platforms for drug delivery. However, their interaction with live organisms must be understood prior to their utilization as drug carriers. The present study reports the anti-inflammatory, analgesic and anti-tumor effects of GNPs. The biodistribution of GNPs and their effect on various tissues have also been studied. METHODS: GNPs were synthesized through an environmentally friendly route and characterized with TEM and UV-vis...
February 2017: Pharmacological Reports: PR
https://www.readbyqxmd.com/read/27911373/the-mouse-isolated-perfused-kidney-technique
#18
Jan Czogalla, Frank Schweda, Johannes Loffing
The mouse isolated perfused kidney (MIPK) is a technique for keeping a mouse kidney under ex vivo conditions perfused and functional for 1 hr. This is a prerequisite for studying the physiology of the isolated organ and for many innovative applications that may be possible in the future, including perfusion decellularization for kidney bioengineering or the administration of anti-rejection or genome-editing drugs in high doses to prime the kidney for transplantation. During the time of the perfusion, the kidney can be manipulated, renal function can be assessed, and various pharmaceuticals administered...
November 17, 2016: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/27884311/understanding-kidney-care-needs-and-implementation-strategies-in-low-and-middle-income-countries-conclusions-from-a-kidney-disease-improving-global-outcomes-kdigo-controversies-conference
#19
Vivekanand Jha, Mustafa Arici, Allan J Collins, Guillermo Garcia-Garcia, Brenda R Hemmelgarn, Tazeen H Jafar, Roberto Pecoits-Filho, Laura Sola, Charles R Swanepoel, Irma Tchokhonelidze, Angela Yee Moon Wang, Bertram L Kasiske, David C Wheeler, Goce Spasovski
Evidence-based cinical practice guidelines improve delivery of uniform care to patients with and at risk of developing kidney disease, thereby reducing disease burden and improving outcomes. These guidelines are not well-integrated into care delivery systems in most low- and middle-income countries (LMICs). The KDIGO Controversies Conference on Implementation Strategies in LMIC reviewed the current state of knowledge in order to define a road map to improve the implementation of guideline-based kidney care in LMICs...
December 2016: Kidney International
https://www.readbyqxmd.com/read/27881245/the-transplantex-initiative
#20
EDITORIAL
Seiamak Bahram, Raphael Carapito, Pierre-Antoine Gourraud, Dominique Charron
TRANSPLANTEX, a French "investment for the future" initiated consortium of leading transplant units and research laboratories across France and a number of European countries aims to unravel, through mainly high-throughput genomics (and other omics) analyses of donor and recipients, novel (a) non-HLA, histocompatibility antigens, whether inside, or outside the MHC; (b) pre/post transplantation biomarkers. This shall lead to our better understanding of the pathophysiology of (and eventually designing better therapeutics for) the graft-versus-host disease in hematopoietic cell transplants and that of chronic graft rejection after kidney transplant...
November 2016: Human Immunology
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