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renal IRI

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https://www.readbyqxmd.com/read/28109131/changes-in-serum-creatinine-concentration-and-acute-kidney-injury-aki-grade-in-dogs-treated-with-hydroxyethyl-starch-130-0-4-from-2013-to-2015
#1
N E Sigrist, N Kälin, A Dreyfus
BACKGROUND: Hydroxyethyl starch (HES) solutions may cause acute kidney injury (AKI) in humans. OBJECTIVE: To compare AKI grades in 94 dogs exposed and 90 dogs that were unexposed to 6% HES-130/0.4. ANIMALS: Dogs receiving 6% HES-130/0.4 (HES cohort) or crystalloids (unexposed cohort) between 2013 and 2015. METHODS: Historical cohort study. Diagnosis, total cumulative dose and total mL/kg of HES administered, time frame of HES administration and serum creatinine concentrations up to 90 days after initiation of HES treatment were retrospectively reviewed...
January 21, 2017: Journal of Veterinary Internal Medicine
https://www.readbyqxmd.com/read/28104152/experience-of-quatro-therapy-with-everolimus-to-minimize-calcineurin-inhibitor-for-kidney-transplant-recipients
#2
N Nakamura, T Miyazaki, H Matsuzaki, R Furuya, S Miyajima, S Irie, H Matsuoka, M Tanaka
BACKGROUND: This study was divided into three phases, on the occasion of the introduction of everolimus (EVR) in our hospital. METHODS: In the first phase, a study group of six maintenance patients (three living related donors, three deceased donors) who had a history of malignant disease with less than 500 mg/day of proteinuria were enrolled; a high serum creatinine and upper limit of duration after kidney transplant operation was not considered. EVR was discontinued in four of the six patients because of side effects or worsening renal function...
January 2017: Transplantation Proceedings
https://www.readbyqxmd.com/read/28102354/a-signature-of-renal-stress-resistance-induced-by-short-term-dietary-restriction-fasting-and-protein-restriction
#3
F Jongbloed, T C Saat, M Verweij, C Payan-Gomez, J H J Hoeijmakers, S van den Engel, C T van Oostrom, G Ambagtsheer, S Imholz, J L A Pennings, H van Steeg, J N M IJzermans, M E T Dollé, R W F de Bruin
During kidney transplantation, ischemia-reperfusion injury (IRI) induces oxidative stress. Short-term preoperative 30% dietary restriction (DR) and 3-day fasting protect against renal IRI. We investigated the contribution of macronutrients to this protection on both phenotypical and transcriptional levels. Male C57BL/6 mice were fed control food ad libitum, underwent two weeks of 30%DR, 3-day fasting, or received a protein-, carbohydrate- or fat-free diet for various periods of time. After completion of each diet, renal gene expression was investigated using microarrays...
January 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28101117/maternal-mortality-ratio-and-causes-of-death-in-iri-between-2009-and-2012
#4
Marzieh Vahiddastjerdy, Nasrin Changizi, Abas Habibollahi, Leila Janani, Zahra Farahani, Farah Babaee
Objective: The Maternal Mortality Ratio is an important health indicator. We presented the distribution and causes of maternal mortality in Islamic Republic of Iran. Materials and methods: After provision of an electronic Registry system for date entry, a descriptive-retrospective data collection had been performed for all maternal Deaths in March 2009- March 2012. All maternal deaths and their demographic characteristic were identified by using medical registries, death certificates, and relevant codes according to International Classification of Diseases (ICD-9) during pregnancy, labor, and 42 days after parturition...
September 2016: Journal of Family & Reproductive Health
https://www.readbyqxmd.com/read/28094329/fumarase-activity-an-in-vivo-and-in-vitro-biomarker-for-acute-kidney-injury
#5
Per Mose Nielsen, Abubakr Eldirdiri, Lotte Bonde Bertelsen, Hans Stødkilde Jørgensen, Jan Henrik Ardenkjaer-Larsen, Christoffer Laustsen
Renal ischemia/reperfusion injury (IRI) is a leading cause of acute kidney injury (AKI), and at present, there is a lack of reliable biomarkers that can diagnose AKI and measure early progression because the commonly used methods cannot evaluate single-kidney IRI. Hyperpolarized [1,4-(13)C2]fumarate conversion to [1,4-(13)C2]malate by fumarase has been proposed as a measure of necrosis in rat tumor models and in chemically induced AKI rats. Here we show that the degradation of cell membranes in connection with necrosis leads to elevated fumarase activity in plasma and urine and secondly that hyperpolarized [1,4-(13)C2]malate production 24 h after reperfusion correlates with renal necrosis in a 40-min unilateral ischemic rat model...
January 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28062569/inhibition-of-%C3%AE-v%C3%AE-5-integrin-attenuates-vascular-permeability-and-protects-against-renal-ischemia-reperfusion-injury
#6
Amy McCurley, Stella Alimperti, Silvia B Campos-Bilderback, Ruben M Sandoval, Jenna E Calvino, Taylor L Reynolds, Catherine Quigley, Joshua W Mugford, William J Polacheck, Ivan G Gomez, Jennifer Dovey, Graham Marsh, Angela Huang, Fang Qian, Paul H Weinreb, Brian M Dolinski, Shaun Moore, Jeremy S Duffield, Christopher S Chen, Bruce A Molitoris, Shelia M Violette, Michael A Crackower
Ischemia-reperfusion injury (IRI) is a leading cause of AKI. This common clinical complication lacks effective therapies and can lead to the development of CKD. The αvβ5 integrin may have an important role in acute injury, including septic shock and acute lung injury. To examine its function in AKI, we utilized a specific function-blocking antibody to inhibit αvβ5 in a rat model of renal IRI. Pretreatment with this anti-αvβ5 antibody significantly reduced serum creatinine levels, diminished renal damage detected by histopathologic evaluation, and decreased levels of injury biomarkers...
January 6, 2017: Journal of the American Society of Nephrology: JASN
https://www.readbyqxmd.com/read/28036282/sulodexide-pretreatment-attenuates-renal-ischemia-reperfusion-injury-in-rats
#7
Jianyong Yin, Weibin Chen, Fenfen Ma, Zeyuan Lu, Rui Wu, Guangyuan Zhang, Niansong Wang, Feng Wang
Sulodexide is a potent antithrombin agent, however, whether it has beneficial effects on renal ischemia-reperfusion injury (IRI) remains unknown. In the present study, we assessed the therapeutic effects of sulodexide in renal IRI and tried to investigate the potential mechanism. One dose of sulodexide was injected intravenously in Sprague-Dawley rats 30 min before bilateral kidney ischemia for 45 min. The animals were sacrificed at 3h and 24h respectively. Our results showed that sulodexide pretreatment improved renal dysfunction and alleviated tubular pathological injury at 24h after reperfusion, which was accompanied with inhibition of oxidative stress, inflammation and cell apoptosis...
December 27, 2016: Oncotarget
https://www.readbyqxmd.com/read/28035621/implications-of-dynamic-changes-in-mir-192-expression-in-ischemic-acute-kidney-injury
#8
Lulu Zhang, Yuan Xu, Song Xue, Xudong Wang, Huili Dai, Jiaqi Qian, Zhaohui Ni, Yucheng Yan
PURPOSE: Ischemia-reperfusion injury (IRI) is a major cause of acute kidney injury (AKI) with poor outcomes. While many important functions of microRNAs (miRNAs) have been identified in various diseases, few studies reported miRNAs in acute kidney IRI, especially the dynamic changes in their expression and their implications during disease progression. METHODS: The expression of miR-192, a specific kidney-enriched miRNA, was assessed in both the plasma and kidney of IRI rats at different time points after kidney injury and compared to renal function and kidney histological changes...
December 29, 2016: International Urology and Nephrology
https://www.readbyqxmd.com/read/28035383/atorvastatin-alleviates-renal-ischemia-reperfusion-injury-in-rats-by-promoting-m1-m2-transition
#9
Qi Wang, Yan-Yan Su, Yan-Qun Li, Yun-Fang Zhang, Shen Yang, Jie-Lin Wang, Hong-Yan Li
Acute kidney injury (AKI) often occurs as a result of ischemia-reperfusion (IR). Previous studies have demonstrated that inflammation is an important contributor to AKI. Atorvastatin (ATO) possesses anti‑inflammatory properties and has been demonstrated to exert protective effects against renal IR injury (IRI). However, the underlying mechanism requires further study. In the present study, a rat model of renal IRI was successfully established. Consistent with the results of a previous study, ATO significantly attenuated IRI, which was supported by a decrease in serum creatinine and an increase in creatinine clearance rate, as well as alleviated pathological alterations in renal tubular cells...
February 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28030955/reno-cerebral-reflex-activates-renin-angiotensin-system-promoting-oxidative-stress-and-renal-damage-after-ischemia-reperfusion-injury
#10
Wei Cao, Aiqing Li, Jiawen Li, Chunyi Wu, Shuang Cui, Zhanmei Zhou, Youhua Liu, Christopher Stuart Wilcox, Fan Fan Hou
AIMS: A kidney-brain interaction has been described in acute kidney injury but the mechanisms are uncertain. Since we recently described a reno-cerebral reflex, we tested the hypothesis that renal ischemia-reperfusion injury activates a sympathetic reflex that interlinks the renal and cerebral renin-angiotensin axis to promote oxidative stress and progression of the injury. RESULTS: Bilateral ischemia-reperfusion activated the intrarenal and cerebral, but not the circulating, renin-angiotensin system, increased sympathetic activity in the kidney and the cerebral sympathetic regulatory regions, and induced brain inflammation and kidney injury...
December 28, 2016: Antioxidants & Redox Signaling
https://www.readbyqxmd.com/read/28019047/neutrophil-gelatinase-associated-lipocalin-in-cats-with-naturally-occurring-chronic-kidney-disease
#11
I-C Wang, W-L Hsu, P-H Wu, H-Y Yin, H-J Tsai, Y-J Lee
BACKGROUND: Neutrophil gelatinase-associated lipocalin (NGAL) is a biomarker for the early prediction of renal damage and the progression of chronic kidney disease (CKD) in humans and dogs. HYPOTHESIS: Neutrophil gelatinase-associated lipocalin also may play a role in the progression of CKD in cats. ANIMALS: Eighty CKD and 18 control cats. METHODS: Cats were categorized into different stages according to the International Renal Interest Society (IRIS) staging system...
December 25, 2016: Journal of Veterinary Internal Medicine
https://www.readbyqxmd.com/read/28006785/mir-155-is-involved-in-renal-ischemia-reperfusion-injury-via-direct-targeting-of-foxo3a-and-regulating-renal-tubular-cell-pyroptosis
#12
Haoyu Wu, Tao Huang, Liang Ying, Conghui Han, Dawei Li, Yao Xu, Ming Zhang, Shan Mou, Zhen Dong
BACKGROUND/AIMS: Ischemia/reperfusion injury (IRI) plays a crucial role in renal transplantation and can cause renal failure associated with pyroptosis, a pro-inflammatory-induced programmed cell death. Small endogenous non-coding RNAs have been shown to be involved in renal ischemia/reperfusion injury. This study was performed to investigate which miRNAs regulate pyroptosis in response to renal ischemia/reperfusion injury and determine the mechanism underlying this regulation. METHODS: An in vivo rat model of renal IRI was established, and the serum and kidneys were harvested 24 h after reperfusion to assess renal function and histological changes...
2016: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/27927651/dna-repair-in-ischemic-acute-kidney-injury
#13
Jeffrey David Pressly, Frank Park
Ischemia-reperfusion injury (IRI) is a common cause of acute kidney injury (AKI) leading to an induction of oxidative stress, cellular dysfunction and a loss of renal function. DNA damage, including oxidative base modifications and physical DNA strand breaks, is a consequence of renal IRI. Like many other organs in the body, a redundant and highly conserved set of endogenous repair pathways have evolved to selectively recognize the various types of cellular DNA damage and combat its negative effects on cell viability...
December 7, 2016: American Journal of Physiology. Renal Physiology
https://www.readbyqxmd.com/read/27924932/nadph-oxidase-4-deficiency-increases-tubular-cell-death-during-acute-ischemic-reperfusion-injury
#14
Stellor Nlandu-Khodo, Romain Dissard, Udo Hasler, Matthias Schäfer, Haymo Pircher, Pidder Jansen-Durr, Karl Heinz Krause, Pierre-Yves Martin, Sophie de Seigneux
NADPH oxidase 4 (NOX4) is highly expressed in kidney proximal tubular cells. NOX4 constitutively produces hydrogen peroxide, which may regulate important pro-survival pathways. Renal ischemia reperfusion injury (IRI) is a classical model mimicking human ischemic acute tubular necrosis. We hypothesized that NOX4 plays a protective role in kidney IRI. In wild type (WT) animals subjected to IRI, NOX4 protein expression increased after 24 hours. NOX4 KO (knock-out) and WT littermates mice were subjected to IRI...
December 7, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27924516/carbon-monoxide-inhibits-the-nuclear-cytoplasmic-translocation-of-hmgb1-in-an-in-vitro-oxidative-stress-injury-model-of-mouse-renal-tubular-epithelial-cells
#15
Yu Jia, Lu Wang, Guang-Yuan Zhao, Zhi-Qiang Wang, Song Chen, Gang Chen
Carbon monoxide (CO), as a vital small molecule in signaling pathways, is found to be involved in ischemia-reperfusion injury (IRI) in renal transplantation. CO-releasing molecule-2 (CORM-2), a CO-releasing molecule, is a type of metal carbonyl complexes which can quickly release CO in vivo. In this study, an in vitro oxidative stress injury model was established to examine the effect of CORM-2 pretreatment on the nuclear-cytoplasmic translocation of high mobility group box 1 protein (HMGB1) in mouse primary renal proximal tubular epithelial cells (RPTECs)...
December 2016: Journal of Huazhong University of Science and Technology. Medical Sciences
https://www.readbyqxmd.com/read/27920155/sos2-and-acp1-loci-identified-through-large-scale-exome-chip-analysis-regulate-kidney-development-and-function
#16
Man Li, Yong Li, Olivia Weeks, Vladan Mijatovic, Alexander Teumer, Jennifer E Huffman, Gerard Tromp, Christian Fuchsberger, Mathias Gorski, Leo-Pekka Lyytikäinen, Teresa Nutile, Sanaz Sedaghat, Rossella Sorice, Adrienne Tin, Qiong Yang, Tarunveer S Ahluwalia, Dan E Arking, Nathan A Bihlmeyer, Carsten A Böger, Robert J Carroll, Daniel I Chasman, Marilyn C Cornelis, Abbas Dehghan, Jessica D Faul, Mary F Feitosa, Giovanni Gambaro, Paolo Gasparini, Franco Giulianini, Iris Heid, Jinyan Huang, Medea Imboden, Anne U Jackson, Janina Jeff, Min A Jhun, Ronit Katz, Annette Kifley, Tuomas O Kilpeläinen, Ashish Kumar, Markku Laakso, Ruifang Li-Gao, Kurt Lohman, Yingchang Lu, Reedik Mägi, Giovanni Malerba, Evelin Mihailov, Karen L Mohlke, Dennis O Mook-Kanamori, Antonietta Robino, Douglas Ruderfer, Erika Salvi, Ursula M Schick, Christina-Alexandra Schulz, Albert V Smith, Jennifer A Smith, Michela Traglia, Laura M Yerges-Armstrong, Wei Zhao, Mark O Goodarzi, Aldi T Kraja, Chunyu Liu, Jennifer Wessel, Eric Boerwinkle, Ingrid B Borecki, Jette Bork-Jensen, Erwin P Bottinger, Daniele Braga, Ivan Brandslund, Jennifer A Brody, Archie Campbell, David J Carey, Cramer Christensen, Josef Coresh, Errol Crook, Gary C Curhan, Daniele Cusi, Ian H de Boer, Aiko P J de Vries, Joshua C Denny, Olivier Devuyst, Albert W Dreisbach, Karlhans Endlich, Tõnu Esko, Oscar H Franco, Tibor Fulop, Glenn S Gerhard, Charlotte Glümer, Omri Gottesman, Niels Grarup, Vilmundur Gudnason, Tamara B Harris, Caroline Hayward, Lynne Hocking, Albert Hofman, Frank B Hu, Lise Lotte N Husemoen, Rebecca D Jackson, Torben Jørgensen, Marit E Jørgensen, Mika Kähönen, Sharon L R Kardia, Wolfgang König, Charles Kooperberg, Jennifer Kriebel, Lenore J Launer, Torsten Lauritzen, Terho Lehtimäki, Daniel Levy, Pamela Linksted, Allan Linneberg, Yongmei Liu, Ruth J F Loos, Antonio Lupo, Christine Meisinger, Olle Melander, Andres Metspalu, Paul Mitchell, Matthias Nauck, Peter Nürnberg, Marju Orho-Melander, Afshin Parsa, Oluf Pedersen, Annette Peters, Ulrike Peters, Ozren Polasek, David Porteous, Nicole M Probst-Hensch, Bruce M Psaty, Lu Qi, Olli T Raitakari, Alex P Reiner, Rainer Rettig, Paul M Ridker, Fernando Rivadeneira, Jacques E Rossouw, Frank Schmidt, David Siscovick, Nicole Soranzo, Konstantin Strauch, Daniela Toniolo, Stephen T Turner, André G Uitterlinden, Sheila Ulivi, Dinesh Velayutham, Uwe Völker, Henry Völzke, Melanie Waldenberger, Jie Jin Wang, David R Weir, Daniel Witte, Helena Kuivaniemi, Caroline S Fox, Nora Franceschini, Wolfram Goessling, Anna Köttgen, Audrey Y Chu
Genome-wide association studies have identified >50 common variants associated with kidney function, but these variants do not fully explain the variation in eGFR. We performed a two-stage meta-analysis of associations between genotypes from the Illumina exome array and eGFR on the basis of serum creatinine (eGFRcrea) among participants of European ancestry from the CKDGen Consortium (nStage1: 111,666; nStage2: 48,343). In single-variant analyses, we identified single nucleotide polymorphisms at seven new loci associated with eGFRcrea (PPM1J, EDEM3, ACP1, SPEG, EYA4, CYP1A1, and ATXN2L; PStage1<3...
December 5, 2016: Journal of the American Society of Nephrology: JASN
https://www.readbyqxmd.com/read/27901497/curcumin-carrying-nanoparticles-prevent-ischemia-reperfusion-injury-in-human-renal-cells
#17
Yong Xu, Ning Hu, Wei Jiang, Hong-Fang Yuan, Dong-Hui Zheng
Renal ischemia-reperfusion injury (IRI) is a major complication in clinical practice. However, despite its frequency, effective preventive/treatment strategies for this condition are scarce. Curcumin possesses antioxidant properties and is a promising potential protective agent against renal IRI, but its poor water solubility restricts its application. In this study, we constructed curcumin-carrying distearoylphosphatidylethanolamine-polyethylene glycol nanoparticles (Cur-NPs), and their effect on HK-2 cells exposed to IRI was examined in vitro...
November 25, 2016: Oncotarget
https://www.readbyqxmd.com/read/27894590/preconditioning-with-azadirachta-indica-ameliorates-cardiorenal-dysfunction-through-reduction-in-oxidative-stress-and-extracellular-signal-regulated-protein-kinase-signalling
#18
Temidayo Olutayo Omóbòwálé, Ademola Adetokunbo Oyagbemi, Olumuyiwa Abiola Adejumobi, Eguonor Vivian Orherhe, Adetayo Sadudeen Amid, Adeolu Alex Adedapo, Helen Olubukola Nottidge, Momoh Audu Yakubu
BACKGROUND: Azadirachta indica is widely distributed in Africa, Asia and other tropical parts of the world. A. indica (AI) is traditionally used for the treatment of several conditions including cancer, hypertension, heart diseases and skin disorders. Intestinal ischaemia-reperfusion is a common pathway for many diseases and may lead to multiple organ dysfunction syndrome and death. OBJECTIVE: In this study, we investigated the ameliorative effects of AI on intestinal ischaemia-reperfusion injury-induced cardiorenal dysfunction...
October 2016: Journal of Ayurveda and Integrative Medicine
https://www.readbyqxmd.com/read/27867811/dramatic-mitigation-of-bone-pain-after-phosphorus-replacement-therapy-in-a-subject-with-fgf23-related-hypophosphatemic-osteomalacia
#19
Fuminori Tatsumi, Megumi Horiya, Akihito Tanabe, Momoyo Nishioka, Yoshiro Fushimi, Junpei Sanada, Yurie Hirata, Shintaro Irie, Tomoe Kinoshita, Shinji Kamei, Masashi Shimoda, Tomoatsu Mune, Kohei Kaku, Hideaki Kaneto
INTRODUCTION: Fibroblast growth factor 23 (FGF23) is secreted from bone and suppresses the absorption of phosphorus in renal proximal tubule and in intestinal tract. Therefore, the increase of serum FGF23 levels leads to hypophosphatemic situations. Tumor-induced osteomalacia is often induced by various tumors, but it is often difficult to identify the localization of tumor, because most of the FGF23-producing tumors are small and could be observed in any part of the body. CASE DESCRIPTION: Here we report a case of elderly female subject with FGF23-related hypophosphatemic osteomalacia who repeatedly experienced severe bone pain and fragility fracture in various parts of the body...
2016: SpringerPlus
https://www.readbyqxmd.com/read/27864895/the-postreperfusion-syndrome-is-associated-with-acute-kidney-injury-following-donation-after-brain-death-liver-transplantation
#20
Marit Kalisvaart, Jubi E de Haan, Dennis A Hesselink, Wojciech G Polak, Bettina E Hansen, Jan N M IJzermans, Diederik Gommers, Herold J Metselaar, Jeroen de Jonge
Acute kidney injury (AKI) is frequently observed after DBD liver transplantation (LT) and associated with impaired recipient survival and chronic kidney disease. Hepatic ischemia/reperfusion injury (IRI) is suggested to be an important factor in this process. The postreperfusion syndrome (PRS) is the first manifestation of severe hepatic IRI directly after reperfusion. We performed a retrospective study on the relation between hepatic IRI and PRS and their impact on AKI in 155 DBD LT recipients. Severity of hepatic IRI was measured by peak postoperative AST levels and PRS was defined as >30% decrease in MAP ≥1 minute <5 minutes after reperfusion...
November 19, 2016: Transplant International: Official Journal of the European Society for Organ Transplantation
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