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https://www.readbyqxmd.com/read/28743124/the-role-of-discoidin-domain-receptor-1-in-inflammation-fibrosis-and-renal-disease
#1
Aude Dorison, Jean-Claude Dussaule, Christos Chatziantoniou
Discoidin domain receptors (DDRs) are a family of 2 non-integrin collagen receptors, DDR1 and DDR2, which display a tyrosine kinase activity. They are mainly expressed during embryonic development and their role during adulthood is very limited. DDR1 has been widely studied in several types of cancers, in atherosclerosis and fibrosis, but also in chronic kidney disease (CKD). This review focuses on the role of DDR1 in chronic nephropathies and on the effect of its deletion in the pathological processes involved in renal disease progression...
July 26, 2017: Nephron
https://www.readbyqxmd.com/read/28742776/venovenous-bypass-is-associated-with-a-lower-incidence-of-acute-kidney-injury-after-liver-transplantation-in-patients-with-compromised-pretransplant-renal-function
#2
Kai Sun, Fu Hong, Yun Wang, Vatche G Agopian, Min Yan, Ronald W Busuttil, Randolph H Steadman, Victor W Xia
BACKGROUND: Although the hemodynamic benefits of venovenous bypass (VVB) during liver transplantation (LT) are well appreciated, the impact of VVB on posttransplant renal function is uncertain. The aim of this study was to determine if VVB was associated with a lower incidence of posttransplant acute kidney injury (AKI). METHODS: Medical records of adult (≥18 years) patients who underwent primary LT between 2004 and 2014 at a tertiary hospital were reviewed. Patients who required pretransplant renal replacement therapy and intraoperative piggyback technique were excluded...
July 21, 2017: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/28742734/evaluation-of-gadolinium-retention-after-serial-administrations-of-a-macrocyclic-gadolinium-based-contrast-agent-gadobutrol-a-single-institution-experience-with-189-patients
#3
Roh-Eul Yoo, Chul-Ho Sohn, Koung Mi Kang, Tae Jin Yun, Seung Hong Choi, Ji-Hoon Kim, Sun-Won Park
OBJECTIVE: There has been controversy as to whether gadobutrol, one of the widely used macrocyclic gadolinium-based contrast agents, can lead to gadolinium retention after serial injections. Our aim was to validate whether serial administrations of gadobutrol can cause signal increase in the dentate nucleus (DN) and globus pallidus (GP) on unenhanced T1-weighted magnetic resonance (MR) images due to gadolinium retention. MATERIALS AND METHODS: A total of 189 patients who had undergone at least 2 contrast-enhanced MR scans using only gadobutrol between August 2009 and August 2016 were retrospectively included...
July 24, 2017: Investigative Radiology
https://www.readbyqxmd.com/read/28742516/prevention-of-renal-ischemia-perfusion-induced-renal-and-hepatic-injury-in-adult-male-albino-rats-by-oxytocin-role-of-nitric-oxide
#4
Merhan Mamdouh Ragy, Neven Makram Aziz
BACKGROUND: Oxytocin (OT) has an anti-inflammatory and antioxidant effect in the different inflammatory models. The current study aimed to evaluate the protective function of OT in renal and hepatic damages triggered by renal ischemia/reperfusion (IR) in rats. Moreover, the effect of NG-nitro-l-arginine methyl ester (l-NAME) was investigated on the kidney and liver functions in renal IR model. METHODS: Twenty-four rats were divided into four groups (six rats each) as follows: (1) Sham-operated group; (2) Renal IR group; (3) Renal IR+OT group; (4) Renal IR+OT+l-NAME...
July 25, 2017: Journal of Basic and Clinical Physiology and Pharmacology
https://www.readbyqxmd.com/read/28742406/the-efficacy-of-low-dose-tadalafil-in-patients-undergoing-hemodialysis-with-end-stage-renal-disease
#5
Mustafa Suat Bolat, İsmail Özer, Onder Cinar, Ekrem Akdeniz, Ramazan Aşcı
BACKGROUND: Erectile dysfunction (ED) is a disorder that is frequently observed in people with chronic kidney disease who undergo hemodialysis (HD). In the context of evidence-based medicine, we aimed to investigate the effect of low-dose tadalafil on sexual function in patients undergoing HD. METHODS: The medical records of 30 males (aged 29-65 years) with end-stage renal disease (ESRD) on a HD program, and who had received 5 mg tadalafil twice weekly, were retrospectively evaluated...
November 2017: Renal Failure
https://www.readbyqxmd.com/read/28742337/gallium-complexation-stability-and-bioconjugation-of-1-4-7-triazacyclononane-derived-chelators-with-azaheterocyclic-arms
#6
Alexander Schmidtke, Tilman Läppchen, Christian Weinmann, Lorenz Bier-Schorr, Manfred Keller, Yvonne Kiefer, Jason P Holland, Mark D Bartholomä
We have recently introduced a 1,4,7-triazacyclononane (TACN) based chelating system with additional five-membered azaheterocyclic substituents for complexation of radioactive Cu(2+) ions. In this work, we investigated the complexation properties of these novel chelators with Ga(3+). In labeling experiments, we could show that the penta- and hexadentate imidazole derivatives NODIA-Me 4 and NOTI-Me 1 can be labeled with (68)Ga in specific activities up to ∼30 MBq nmol(-1), while the corresponding thiazole derivative NOTThia 2 did not label satisfactorily under identical conditions...
July 25, 2017: Inorganic Chemistry
https://www.readbyqxmd.com/read/28742334/health-effects-of-dietary-oxidized-tyrosine-and-dityrosine-administration-in-mice-with-nutrimetabolomic-strategies
#7
Yuhui Yang, Hui Zhang, Biao Yan, Tianyu Zhang, Ying Gao, Yonghui Shi, Guowei Le
This study aims to investigate the health effects of long-term dietary oxidized tyrosine (O-Tyr) and its main product (dityrosine) administration on mice metabolism. Mice received daily intragastric administration of either O-Tyr (320 μg/kg body weight), dityrosine (Dityr, 320 μg/kg body weight) or saline for consecutive six weeks. Urine and plasma samples were analyzed by NMR-based metabolomics strategies. Body weight, clinical chemistry, oxidative damage indexes and histopathological data were obtained as complementary information...
July 25, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/28742158/human-tamm-horsfall-protein-a-renal-specific-protein-serves-as-a-cofactor-in-complement-3b-degradation
#8
Diana C J Rhodes
Tamm-Horsfall protein (THP) is an abundant urinary protein of renal origin. We hypothesize that THP can act as an inhibitor of complement since THP binds complement 1q (C1q) of the classical complement pathway, inhibits activation of this pathway, and is important in decreasing renal ischemia-reperfusion injury (a complement-mediated condition). In this study, we began to investigate whether THP interacted with the alternate complement pathway via complement factor H (CFH). THP was shown to bind CFH using ligand blots and in an ELISA (KD of 1 × 10-6 M)...
2017: PloS One
https://www.readbyqxmd.com/read/28742013/first-canadian-experience-with-donation-after-cardiac-death-simultaneous-pancreas-and-kidney-transplants
#9
Patrick T Anderson, Shahid Aquil, Kelly McLean, Vivian C McAlister, Alp Sener, Patrick P Luke
BACKGROUND: Compared with neurologic determination of death (NDD) donor organs, donation after cardiac death (DCD) donor organs have traditionally been considered of inferior quality owing to warm ischemia experienced during procurement. We present, to our knowledge, the first analysis of simultaneous pancreas and kidney (SPK) transplants using DCD donor organs in Canada. METHODS: We carried out a retrospective cohort study of SPK transplants from 13 DCD and 68 NDD donors performed between October 2008 and July 2016...
August 1, 2017: Canadian Journal of Surgery. Journal Canadien de Chirurgie
https://www.readbyqxmd.com/read/28741344/anidulafungin-in-children-experience-in-a-tertiary-care-children-s-hospital-in-argentina
#10
María T Rosanova, Claudia Sarkis, Florencia Escarra, Carolina Epelbaum, Norma Sberna, Susana Carnovale, Carlos Figueroa, Rosa Bologna, Roberto Lede
The experience using anidulafungin for the treatment of invasive fungal infections in pediatrics is limited. In this article, we describe our experience in 55 children. Anidulafungin was administered intravenously at a loading dose of 3 mg/kg once daily, followed by 1.5 mg/kg every 24 hours over a mean period of 14 days (range: 7-22 days). Patients' median age was 114 months old (interquartile range: 32-168 months old). All patients had underlying diseases. Among patients with bone marrow transplant, the difference in white blood cell count, transaminase levels, and renal function at baseline and at the end of anidulafungin administration was not significant...
August 1, 2017: Archivos Argentinos de Pediatría
https://www.readbyqxmd.com/read/28741179/activation-of-liver-x-receptor-inhibits-oct2-mediated-organic-cation-transport-in-renal-proximal-tubular-cells
#11
Teerasak Wongwan, Suticha Kittayaruksakul, Nithi Asavapanumas, Varanuj Chatsudthipong, Sunhapas Soodvilai
Liver X receptor (LXR) is transcriptional factor that plays an important role in the regulation of energy metabolism such as cholesterol, lipid, and glucose metabolism as well as membrane transporters and channels. Using both in vitro and in vivo models, LXR regulation of the expression and function of renal organic cation transporter 2 (OCT2) was observed. Synthetic LXR agonist (GW3965) and endogenous LXR agonist (22R-hydroxycholesterol) significantly reduced the uptake of (3)H-MPP(+), a prototypic substrate of OCT2, in both OCT2- Chinese hamster ovary K1 and human renal proximal tubular cells (RPTEC/TERT1)...
July 25, 2017: Pflügers Archiv: European Journal of Physiology
https://www.readbyqxmd.com/read/28741049/the-assessment-of-renal-cortex-and-parenchymal-volume-using-automated-ct-volumetry-for-predicting-renal-function-after-donor-nephrectomy
#12
Yosuke Mitsui, Takuya Sadahira, Motoo Araki, Koichiro Wada, Ryuta Tanimoto, Yuichi Ariyoshi, Yasuyuki Kobayashi, Masami Watanabe, Toyohiko Watanabe, Yasutomo Nasu
BACKGROUND: Contrast-enhanced CT is necessary before donor nephrectomy and is usually combined with a Tc-99m-mercapto-acetyltriglycine (MAG3) scan to check split renal function (SRF). However, all transplant programs do not use MAG3 because of its high cost and exposure to radiation. We examined whether CT volumetry of the kidney can be a new tool for evaluating SRF. METHODS: Sixty-three patients underwent live donor nephrectomy. Patients without a 1.0 mm slice CT or follow-up for <12 months were excluded leaving 34 patients' data being analyzed...
July 24, 2017: Clinical and Experimental Nephrology
https://www.readbyqxmd.com/read/28740685/minimally-invasive-aortic-valve-replacement-in-high-risk-patient-groups
#13
REVIEW
Daniel Fudulu, Harriet Lewis, Umberto Benedetto, Massimo Caputo, Gianni Angelini, Hunaid A Vohra
Minimally invasive aortic valve replacement (AVR) aims to preserve the sternal integrity and improve postoperative outcomes. In low risk patients, this technique can be achieved with comparable mortality to the conventional approach and there is evidence of possible reduction in intensive care and hospital length of stay, transfusion requirement, renal dysfunction, improved respiratory function and increased patient satisfaction. In this review, we aim to asses if these benefits can be transferred to the high risk patient groups...
June 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28740594/opportunities-for-treatment-of-the-hepatitis-c-virus-infected-patient-with-chronic-kidney-disease
#14
REVIEW
Marco Ladino, Fernando Pedraza, David Roth
The prevalence of hepatitis C virus (HCV) infection amongst patients with chronic kidney disease (CKD) and end-stage renal disease exceeds that of the general population. In addition to predisposing to the development of cirrhosis and hepatocellular carcinoma, infection with HCV has been associated with extra-hepatic complications including CKD, proteinuria, glomerulonephritis, cryoglobulinemia, increased cardiovascular risk, insulin resistance, and lymphoma. With these associated morbidities, infection with HCV is not unexpectedly accompanied by an increase in mortality in the general population as well as in patients with kidney disease...
July 8, 2017: World Journal of Hepatology
https://www.readbyqxmd.com/read/28740545/e-selectin-targeted-sialic-acid-peg-dexamethasone-micelles-for-enhanced-anti-inflammatory-efficacy-for-acute-kidney-injury
#15
Jing-Bo Hu, Xu-Qi Kang, Jing Liang, Xiao-Juan Wang, Xiao-Ling Xu, Ping Yang, Xiao-Ying Ying, Sai-Ping Jiang, Yong-Zhong Du
The effective treatment for acute kidney injury (AKI) is currently limited, and care is primarily supportive. Sialic acid (SA) is main component of Sialyl Lewis(x) antigen on the mammalian cell surface, which participates in E-selectin binding. Therefore, dexamethasone(DXM)-loaded E-selectin-targeting sialic acid-polyethylene glycol-dexamethasone (SA-PEG-DXM/DXM) conjugate micelles are designed for ameliorating AKI. The conjugates are synthesized via the esterification reaction between PEG and SA or DXM, and can spontaneously form micelles in an aqueous solution with a 65...
2017: Theranostics
https://www.readbyqxmd.com/read/28739832/influence-of-renal-impairment-on-outcome-for-thrombolysis-treated-acute-ischemic-stroke-enchanted-enhanced-control-of-hypertension-and-thrombolysis-stroke-study-post-hoc-analysis
#16
Susan J Carr, Xia Wang, Veronica V Olavarria, Pablo M Lavados, Jorge A Rodriguez, Jong S Kim, Tsong-Hai Lee, Richard I Lindley, Octavio M Pontes-Neto, Stefano Ricci, Shoichiro Sato, Vijay K Sharma, Mark Woodward, John Chalmers, Craig S Anderson, Thompson G Robinson
BACKGROUND AND PURPOSE: Renal dysfunction (RD) is associated with poor prognosis after stroke. We assessed the effects of RD on outcomes and interaction with low- versus standard-dose alteplase in a post hoc subgroup analysis of the ENCHANTED (Enhanced Control of Hypertension and Thrombolysis Stroke Study). METHODS: A total of 3220 thrombolysis-eligible patients with acute ischemic stroke (mean age, 66.5 years; 37.8% women) were randomly assigned to low-dose (0...
July 24, 2017: Stroke; a Journal of Cerebral Circulation
https://www.readbyqxmd.com/read/28739731/identification-of-novel-proteins-interacting-with-vascular-endothelial-growth-inhibitor-174-in-renal-cell-carcinoma
#17
Qiang Zhao, Duoer Kun, Baoan Hong, Xiaohu Deng, Sheng Guo, Xingxing Tang, Yong Yang, Kan Gong, Qing Li, Lin Ye, Wen G Jiang, Ning Zhang
BACKGROUND/AIM: Vascular endothelial growth inhibitor (VEGI) is a multipotential cytokine that plays a role in regulating immunity, anti-angiogenesis, and inhibiting tumor growth. However, the proteins that interact with it are still unknown. In the present study, we examined the proteins that interact with VEGI174 and their expression in renal cell carcinoma (RCC). MATERIALS AND METHODS: The proteins that interact with VEGI174 were identified using western blot, pull-down assay, and mass spectrometry...
August 2017: Anticancer Research
https://www.readbyqxmd.com/read/28739660/a-gene-implicated-in-activation-of-retinoic-acid-receptor-targets-is-a-novel-renal-agenesis-gene-in-humans
#18
Patrick D Brophy, Maria Rasmussen, Mrutyunjaya Parida, Greg Bonde, Benjamin W Darbro, Xiaojing Hong, Jason C Clarke, Kevin A Peterson, James Denegre, Michael Schneider, Caroline R Sussman, Lone Sunde, Dorte L Lildballe, Jens Michael Hertz, Robert A Cornell, Stephen A Murray, John R Manak
Renal agenesis (RA) is one of the more extreme examples of congenital anomalies of the kidney and urinary tract (CAKUT). Bilateral renal agenesis is almost invariably fatal at birth, and unilateral renal agenesis can lead to future health issues including end stage renal disease. Genetic investigations have identified several gene variants which cause RA, including EYA1, LHX1, and WT1 However, whereas compound null mutations of genes encoding α and γ retinoic acid receptors (RARs) cause RA in mice, to date there have been no reports of variants in RAR genes causing RA in humans...
July 24, 2017: Genetics
https://www.readbyqxmd.com/read/28739650/lysophosphatidic-acid-receptor-antagonism-protects-against-diabetic-nephropathy-in-a-type-2-diabetic-model
#19
Ming-Zhi Zhang, Xin Wang, Haichun Yang, Agnes B Fogo, Brian J Murphy, Robert Kaltenbach, Peter Cheng, Bradley Zinker, Raymond C Harris
Lysophosphatidic acid (LPA) functions through activation of LPA receptors (LPARs). LPA-LPAR signaling has been implicated in development of fibrosis. However, the role of LPA-LPAR signaling in development of diabetic nephropathy (DN) has not been studied. We examined whether BMS002, a novel dual LPAR1 and LPAR3 antagonist, affects development of DN in endothelial nitric oxide synthase-knockout db/db mice. Treatment of these mice with BMS002 from 8 to 20 weeks of age led to a significant reduction in albuminuria, similar to that observed with renin-angiotensin system inhibition (losartan plus enalapril)...
July 24, 2017: Journal of the American Society of Nephrology: JASN
https://www.readbyqxmd.com/read/28739648/hepatocyte-nuclear-factor-1%C3%AE-controls-mitochondrial-respiration-in-renal-tubular-cells
#20
Audrey Casemayou, Audren Fournel, Alessia Bagattin, Joost Schanstra, Julie Belliere, Stéphane Decramer, Dimitri Marsal, Marion Gillet, Nicolas Chassaing, Antoine Huart, Marco Pontoglio, Claude Knauf, Jean-Loup Bascands, Dominique Chauveau, Stanislas Faguer
AKI is a frequent condition that involves renal microcirculation impairment, infiltration of inflammatory cells with local production of proinflammatory cytokines, and subsequent epithelial disorders and mitochondrial dysfunction. Peroxisome proliferator-activated receptor γ coactivator 1-α (PPARGC1A), a coactivator of the transcription factor PPAR-γ that controls mitochondrial biogenesis and function, has a pivotal role in the early dysfunction of the proximal tubule and the subsequent renal repair. Here, we evaluated the potential role of hepatocyte nuclear factor-1β (HNF-1β) in regulating PPARGC1A expression in AKI...
July 24, 2017: Journal of the American Society of Nephrology: JASN
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