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Renal function

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https://www.readbyqxmd.com/read/28437782/detection-of-renal-hypoxia-in-lupus-nephritis-using-blood-oxygen-level-dependent-mr-imaging-a-multiple-correspondence-analysis
#1
Huilan Shi, Tiekun Yan, Dong Li, Junya Jia, Wenya Shang, Li Wei, Zhenfeng Zheng
BACKGROUND/AIMS: Nephrologists have pursued ideal, dynamic and noninvasive methods for assessing renal function and disease progression. Blood oxygen level dependent (BOLD) imaging is a useful technique for assessing renal disease. This current study was performed to explore the correlation between the hypoxia iconographical index and renal pathological features in lupus nephritis. METHODS: Adult patients with lupus nephritis (LN) and healthy volunteers were recruited for this study...
April 5, 2017: Kidney & Blood Pressure Research
https://www.readbyqxmd.com/read/28437764/the-use-of-lithium-for-the-treatment-of-bipolar-disorder-recommendations-from-clinical-practice-guidelines
#2
Gin S Malhi, Danielle Gessler, Tim Outhred
BACKGROUND: Lithium is an effective mood stabilizer that is used principally for the management of bipolar disorder (BD). Its administration is complex and often requires sophisticated management and assiduous monitoring. When considering the use of lithium therapy for bipolar disorder, clinicians are advised to refer to recommendations outlined in clinical practice guidelines (CPGs); but because of varying emphases placed by different international CPGs, recommendations addressing the practical use of lithium lack consistency...
March 27, 2017: Journal of Affective Disorders
https://www.readbyqxmd.com/read/28437675/whole-blood-sequencing-reveals-circulating-microrna-associations-with-high-risk-traits-in-non-st-segment-elevation-acute-coronary-syndrome
#3
Alice Wang, Lydia Coulter Kwee, Elizabeth Grass, Megan L Neely, Simon G Gregory, Keith A A Fox, Paul W Armstrong, Harvey D White, E Magnus Ohman, Matthew T Roe, Svati H Shah, Mark Y Chan
BACKGROUND AND AIMS: Although circulating microRNA (miRNAs) have emerged as biomarkers predicting mortality in acute coronary syndrome (ACS), more data are needed to understand these mechanisms. Mapping miRNAs to high-risk traits may identify miRNAs involved in pathways conferring risk for poor outcome in ACS. We aim to investigate the relationship between circulating miRNAs and high-risk traits in non-ST-segment elevation acute coronary syndrome (NSTE-ACS). METHODS: Whole-genome miRNA sequencing was performed on RNA extracted from whole blood of 199 patients with NSTE-ACS...
March 30, 2017: Atherosclerosis
https://www.readbyqxmd.com/read/28437467/mutant-uromodulin-expression-leads-to-altered-homeostasis-of-the-endoplasmic-reticulum-and-activates-the-unfolded-protein-response
#4
Céline Schaeffer, Stefania Merella, Elena Pasqualetto, Dejan Lazarevic, Luca Rampoldi
Uromodulin is the most abundant urinary protein in physiological conditions. It is exclusively produced by renal epithelial cells lining the thick ascending limb of Henle's loop (TAL) and it plays key roles in kidney function and disease. Mutations in UMOD, the gene encoding uromodulin, cause autosomal dominant tubulointerstitial kidney disease uromodulin-related (ADTKD-UMOD), characterised by hyperuricemia, gout and progressive loss of renal function. While the primary effect of UMOD mutations, retention in the endoplasmic reticulum (ER), is well established, its downstream effects are still largely unknown...
2017: PloS One
https://www.readbyqxmd.com/read/28437377/microrna-21-is-required-for-local-and-remote-ischemic-preconditioning-in-multiple-organ-protection-against-sepsis
#5
Ping Jia, Xiaoli Wu, Yan Dai, Jie Teng, Yi Fang, Jiachang Hu, Jianzhou Zou, Mingyu Liang, Xiaoqiang Ding
OBJECTIVE: Sepsis, triggered by microbial infection, is a common and life-threatening systemic illness, often leads to impaired function of vital organs. Ischemic preconditioning induced by transient brief episodes of ischemia is a powerful innate mechanism of organ protection. We have reported that a 15-minute renal ischemic preconditioning substantially attenuated subsequent renal ischemia-reperfusion injury. Here, we investigate whether a brief ischemia and reperfusion in kidney can provide protection at local and remote sites against sepsis-induced organ injury, and whether this protection is microRNA-21 dependent...
April 21, 2017: Critical Care Medicine
https://www.readbyqxmd.com/read/28437374/icu-patients-requiring-renal-replacement-therapy-initiation-fewer-survivors-and-more-dialysis-dependents-from-80-years-old
#6
Morgane Commereuc, Emmanuel Guérot, Anais Charles-Nelson, Adrien Constan, Sandrine Katsahian, Frédérique Schortgen
OBJECTIVES: To assess the role of advanced age on survival and dialysis dependency after initiation of renal replacement therapy for acute kidney injury. DESIGN: Retrospective pooled analysis of prospectively collected data. SETTING: ICUs of two teaching hospitals in Paris area, France. SUBJECTS: One thousand five hundred thirty adult patients who required renal replacement therapy initiation in the ICU. INTERVENTIONS: None...
April 21, 2017: Critical Care Medicine
https://www.readbyqxmd.com/read/28437285/monitoring-protein-unbound-valproic-acid-serum-concentrations-in-clinical-practice
#7
Eveline Wallenburg, Bas Klok, Karin de Jong, Monique de Maat, Nielka van Erp, Sonja Stalpers-Konijnenburg, Guus Essink, Matthijs van Luin
BACKGROUND: Valproic acid (VPA) is an effective anti-epileptic drug and mood stabilizer. A key characteristic of VPA is its high and saturable protein binding at higher concentrations. While the unbound concentration of VPA is responsible for its pharmacological activity, total drug concentrations are monitored in routine clinical practice. Therapeutic drug monitoring (TDM) of unbound VPA is recommended for specific clinical situations. The goal of this study was to evaluate TDM requests for unbound VPA in clinical practice...
April 6, 2017: Therapeutic Drug Monitoring
https://www.readbyqxmd.com/read/28437021/optimal-outcome-achievement-in-partial-nephrectomy-for-t1-renal-masses-a-contemporary-analysis-of-open-and-robotic-cases
#8
Matthew J Maurice, Daniel Ramirez, Önder Kara, Ercan Malkoç, Ryan J Nelson, Khaled Fareed, Robert J Stein, Amr F Fergany, Jihad H Kaouk
OBJECTIVES: To compare optimal outcome achievement between open and robotic partial nephrectomy. PATIENTS AND METHODS: Using our institutional partial nephrectomy database, we reviewed 605 cases performed for unifocal clinical T1 renal masses in non-solitary kidneys from 2011-2015. Tetrafecta, which was defined as negative surgical margins, freedom from perioperative complications, ≥80% renal functional preservation, and no chronic kidney disease upstaging, was chosen as the composite optimal outcome...
April 24, 2017: BJU International
https://www.readbyqxmd.com/read/28436957/pyruvate-kinase-m2-activation-may-protect-against-the-progression-of-diabetic-glomerular-pathology-and-mitochondrial-dysfunction
#9
Weier Qi, Hillary A Keenan, Qian Li, Atsushi Ishikado, Aimo Kannt, Thorsten Sadowski, Mark A Yorek, I-Hsien Wu, Samuel Lockhart, Lawrence J Coppey, Anja Pfenninger, Chong Wee Liew, Guifen Qiang, Alison M Burkart, Stephanie Hastings, David Pober, Christopher Cahill, Monika A Niewczas, William J Israelsen, Liane Tinsley, Isaac E Stillman, Peter S Amenta, Edward P Feener, Matthew G Vander Heiden, Robert C Stanton, George L King
Diabetic nephropathy (DN) is a major cause of end-stage renal disease, and therapeutic options for preventing its progression are limited. To identify novel therapeutic strategies, we studied protective factors for DN using proteomics on glomeruli from individuals with extreme duration of diabetes (ł50 years) without DN and those with histologic signs of DN. Enzymes in the glycolytic, sorbitol, methylglyoxal and mitochondrial pathways were elevated in individuals without DN. In particular, pyruvate kinase M2 (PKM2) expression and activity were upregulated...
April 24, 2017: Nature Medicine
https://www.readbyqxmd.com/read/28436354/what-is-the-current-role-of-partial-nephrectomy-for-t2-tumors
#10
Bruno Nahar, Mark L Gonzalgo
INTRODUCTION: To review oncological and functional outcomes for partial nephrectomy in the setting of T2 tumors. MATERIALS AND METHODS: We performed a comprehensive literature review on partial nephrectomy for T2 tumors, focusing on major primary series reporting oncological and functional outcomes, as well as complication rates in the last 10 years. RESULTS: Recent series have reported comparable oncological outcomes between partial nephrectomy and radical nephrectomy for ≥ T2 tumors...
April 2017: Canadian Journal of Urology
https://www.readbyqxmd.com/read/28436117/early-introduction-of-oral-paricalcitol-in-renal-transplant-recipients-an-open-label-randomized-study
#11
Hege Kampen Pihlstrøm, Franscesca Gatti, Clara Hammarström, Ivar Anders Eide, Monika Kasprzycka, Junbai Wang, Guttorm Haraldsen, My Hanna Sofia Svensson, Karsten Midtvedt, Geir Mjøen, Dag Olav Dahle, Anders Hartmann, Hallvard Holdaas
In stable renal transplant recipients with hyperparathyroidism, previous studies have indicated that vitamin D agonist treatment might have anti-proteinuric effects. Animal studies indicate possible anti-fibrotic and anti-inflammatory effects. Early introduction of paricalcitol in de-novo renal transplant recipients might reduce proteinuria and prevent progressive allograft fibrosis. We performed a single-centre, prospective, randomized, open-label trial investigating effects of paricalcitol 2μg/day added to standard care...
April 24, 2017: Transplant International: Official Journal of the European Society for Organ Transplantation
https://www.readbyqxmd.com/read/28435991/polycythemia-capillary-rarefaction-and-focal-glomerulosclerosis-in-two-adolescents-born-extremely-low-birth-weight-and-premature
#12
Nariaki Asada, Takanori Tsukahara, Megumi Furuhata, Daisuke Matsuoka, Shunsuke Noda, Kuniaki Naganuma, Akinori Hashiguchi, Midori Awazu
BACKGROUND: Low birthweight infants have a reduced number of nephrons and are at high risk of chronic kidney disease. Preterm birth and/or intrauterine growth restriction (IUGR) may also affect peritubular capillary development, as has been shown in other organs. CASE-DIAGNOSIS/TREATMENT: We report two patients with a history of preterm birth and extremely low birthweight who showed polycythemia and renal capillary rarefaction. Patient 1 and 2, born at 25 weeks of gestation with a birthweight of 728 and 466 g, showed mild proteinuria at age 8 and 6 years, respectively...
April 24, 2017: Pediatric Nephrology: Journal of the International Pediatric Nephrology Association
https://www.readbyqxmd.com/read/28435765/chronic-nephropathy-from-dietary-hyperoxaluria-sustained-improvement-of-renal-function-after-dietary-intervention
#13
Yijuan Sun, Bruce L Horowitz, Karen S Servilla, Joanna R Fair, Darlene Vigil, Kavitha Ganta, Larry Massie, Antonios H Tzamaloukas
A 56-year-old man with stable chronic kidney disease (CKD) for two years following a single episode of calcium oxalate urolithiasis developed progressive elevation of his serum creatinine concentration. Urinalysis revealed pyuria and white cell casts, a few red blood cells, minimal proteinuria, and no crystals. Urine culture was sterile. Gallium scintigraphy was consistent with interstitial nephritis. Proton pump inhibitor intake was discontinued, and a short course of oral corticosteroids was initiated. Percutaneous kidney biopsy, performed because of the continued deterioration of renal function to a minimum estimated glomerular filtration rate (eGFR) value of 15 mL/min per 1...
March 20, 2017: Curēus
https://www.readbyqxmd.com/read/28435451/ahnak2-is-a-novel-prognostic-marker-and-oncogenic-protein-for-clear-cell-renal-cell-carcinoma
#14
Minglei Wang, Xuefeng Li, Jin Zhang, Qiong Yang, Wenqi Chen, Weilin Jin, Yi-Ran Huang, Ru Yang, Wei-Qiang Gao
Integrative database analysis was performed to identify novel candidate oncogene AHNAK2 overexpressed in clear cell renal cell carcinoma (ccRCC). However, the function of AHNAK2 in cancer cells is currently unknown. In this study, we first confirmed the upregulation of AHNAK2 in ccRCC tissues compared with adjacent normal tissues in 15 pairs of samples. Then we analyzed AHNAK2 expression in a large cohort of ccRCC patient samples (n = 355), and found that up-regulation of AHNAK2 was positively correlated with tumor progression and poor survival (p = 0...
2017: Theranostics
https://www.readbyqxmd.com/read/28435308/association-of-the-ppp3ca-c-249g-a-variant-with-clinical-outcomes-of-tacrolimus-based-therapy-in-kidney-transplant-recipients
#15
Patricia C Salgado, Fabiana Dv Genvigir, Claudia R Felipe, Helio Tedesco-Silva, Jose O Medina-Pestana, Sonia Q Doi, Mario H Hirata, Rosario Dc Hirata
BACKGROUND: The effects of genetic variants related to the pharmacodynamic mechanisms of immunosuppressive drugs on their therapeutic efficacy and safety have been poorly explored. This study was performed to investigate the influence of the PPP3CA c.249G>A variant on the clinical outcomes of kidney transplant recipients. PATIENTS AND METHODS: A total of 148 Brazilian patients received tacrolimus (TAC)-based immunosuppressive therapy for 90 days post-kidney transplantation...
2017: Pharmacogenomics and Personalized Medicine
https://www.readbyqxmd.com/read/28435289/long-noncoding-rna-nbat-1-suppresses-tumorigenesis-and-predicts-favorable-prognosis-in-ovarian-cancer
#16
Changsheng Yan, Yi Jiang, Yicong Wan, Lin Zhang, Jinhui Liu, Shulin Zhou, Wenjun Cheng
Long noncoding RNA (lncRNA) has been proven to be involved in many biological processes in ovarian cancer (OC). However, the mechanism still remains unknown. In this study, we screened significantly downregulated NBAT-1, which has been proven to play a significant role in breast cancer, clear cell renal cell carcinoma, and neuroblastoma, but not in OC, in two independent datasets with relatively more samples (GSE18520 and GSE38666) from Gene Expression Omnibus. We found that lncRNA NBAT-1 was obviously downregulated in OC tissue compared to normal ovarian tissue (P<0...
2017: OncoTargets and Therapy
https://www.readbyqxmd.com/read/28435279/use-of-direct-oral-anticoagulants-for-the-prevention-and-treatment-of-thromboembolic-disease-in-patients-with-reduced-renal-function-a-short-review-of-the-clinical-evidence
#17
REVIEW
Kristine C Willett, Amanda M Morrill
BACKGROUND: The use of direct oral anticoagulants (DOACs) is restricted by the limitations of clinical trials guiding therapy for patients with renal impairment, as many of these trials excluded patients with severe renal impairment. There are currently four agents available: dabigatran, rivaroxaban, apixaban, and edoxaban. The purpose of this review was to 1) describe current recommended dosing for each DOAC and published postmarketing data, including case reports, on the use of these agents in the renally impaired; and 2) discuss patient adherence and satisfaction and the cost of these agents...
2017: Therapeutics and Clinical Risk Management
https://www.readbyqxmd.com/read/28435246/cuprous-oxide-nanoparticle-inhibited-melanoma-progress-by-targeting-melanoma-stem-cells
#18
Bin Yu, Ye Wang, Xinlu Yu, Hongxia Zhang, Ji Zhu, Chen Wang, Fei Chen, Changcheng Liu, Jingqiang Wang, Haiying Zhu
Recent studies have shown that metal and metal oxide have a potential function in antitumor therapy. Our previous studies demonstrated that cuprous oxide nanoparticles (CONPs) not only selectively induce apoptosis of tumor cells in vitro but also inhibit the growth and metastasis of melanoma by targeting mitochondria with little hepatic and renal toxicities in mice. As a further study, our current research revealed that CONPs induced apoptosis of human melanoma stem cells (CD271(+/high) cells) in A375 and WM266-4 melanoma cell lines and could significantly suppress the expression of MITF, SOX10 and CD271 involved in the stemness maintenance and tumorigenesis of melanoma stem cells...
2017: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/28435157/the-systemic-nature-of-ckd
#19
REVIEW
Carmine Zoccali, Raymond Vanholder, Ziad A Massy, Alberto Ortiz, Pantelis Sarafidis, Friedo W Dekker, Danilo Fliser, Denis Fouque, Gunnar H Heine, Kitty J Jager, Mehmet Kanbay, Francesca Mallamaci, Gianfranco Parati, Patrick Rossignol, Andrzej Wiecek, Gerard London
The accurate definition and staging of chronic kidney disease (CKD) is one of the major achievements of modern nephrology. Intensive research is now being undertaken to unravel the risk factors and pathophysiologic underpinnings of this disease. In particular, the relationships between the kidney and other organs have been comprehensively investigated in experimental and clinical studies in the last two decades. Owing to technological and analytical limitations, these links have been studied with a reductionist approach focusing on two organs at a time, such as the heart and the kidney or the bone and the kidney...
April 24, 2017: Nature Reviews. Nephrology
https://www.readbyqxmd.com/read/28435064/salvianolate-attenuates-renal-fibrosis-in-rat-models-of-diabetic-nephropathy-by-inhibiting-inflammation-and-oxidative-stress-mechanisms
#20
Chongxiang Xiong, Jianrao Lu, Xinhua Wang, Monica V Masucci
OBJECTIVE: Mounting evidence has shown that inflammation and oxidative stress are involved in the development and progression of diabetic nephropathy. Salvianolate is proven to have multiple bioactivities including anti-inflammation and anti-oxidative stress effects in diverse diseases. However, its role in rat models of diabetic nephropathy remains unclear. METHODS: In this study, we examined the renoprotective effect of Salvianolate on rat models of diabetic nephropathy induced by streptozotocin intraperitoneal injection...
April 20, 2017: Biochemical and Biophysical Research Communications
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