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Kidney & Blood Pressure Research

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https://www.readbyqxmd.com/read/28930756/dynamics-of-glucose-metabolism-after-kidney-transplantation
#1
Martina Guthoff, Robert Wagner, Karoline Weichbrodt, Silvio Nadalin, Alfred Königsrainer, Hans-Ulrich Häring, Andreas Fritsche, Nils Heyne
BACKGROUND/AIMS: Posttransplantation diabetes mellitus (PTDM) impacts patient and allograft survival after kidney transplantation. Prediabetes, which is an independent risk factor for PTDM, is modifiable also in a post-transplant setting. Understanding the risks and dynamics of impaired glucose metabolism after transplantation is a key component for targeted intervention. METHODS: A retrospective chart analysis of all adult non-diabetic renal allograft recipients (n=251, 2007-2014) was performed...
September 20, 2017: Kidney & Blood Pressure Research
https://www.readbyqxmd.com/read/28922660/mitochondrial-dysfunction-and-altered-renal-metabolism-in-dahl-salt-sensitive-rats
#2
Zhengjun Wang, Qiong Sun, Na Sun, Mingyu Liang, Zhongmin Tian
BACKGROUND/AIMS: The kidney plays a critical role in the control of blood pressure and its elevation in salt-induced hypertension. Mitochondrial dysfunction, especially in energy metabolism, has been associated with hypertension. Here, we aimed to investigate mitochondrial function and metabolic features in renal mitochondria of Dahl salt-sensitive (SS) rats to gain further insight into the relationship between mitochondrial metabolism and predisposition to hypertension. METHODS: In this study, SS rats fed low-salt (LS) or high-salt (HS) diets were used to investigate mitochondrial function and metabolism including mitochondrial enzyme activities, pyridine nucleotides, metabolites, and oxidative stress by biochemical analysis and gas chromatography-mass spectrometer (GC-MS)...
September 19, 2017: Kidney & Blood Pressure Research
https://www.readbyqxmd.com/read/28922659/serum-matrix-metalloproteinase-7-level-is-associated-with-fibrosis-and-renal-survival-in-patients-with-iga-nephropathy
#3
Jian Zhang, Pingping Ren, Yucheng Wang, Shi Feng, Cuili Wang, Xiujin Shen, Chunhua Weng, Xiaobing Lang, Zhiming Chen, Hong Jiang, Jianghua Chen
BACKGROUND/AIMS: In view of the latest findings that matrix metalloproteinase-7 (MMP-7) acted as a vital marker and pathogenic mediator of renal fibrosis in a murine model, we hypothesized that serum MMP-7 level might serve as a noninvasive prognostic biomarker in IgA nephropathy (IgAN) patients. METHODS: We conducted a retrospective follow-up study of 244 IgAN patients for a median of 81.9 months. Serum MMP-7 was detected at the time of diagnosis, and renal progression was assessed by Cox proportional hazards method...
September 18, 2017: Kidney & Blood Pressure Research
https://www.readbyqxmd.com/read/28922656/impact-of-the-number-of-anti-thrombosis-agents-in-hemodialysis-patients-boreas-hd2-study
#4
Marenao Tanaka, Norihito Moniwa, Hirofumi Ohnishi, Tomohisa Yamashita, Masayuki Koyama, Yufu Gocho, Keitaro Nishizawa, Yukishige Kimura, Hirohito Sugawara, Sayaka Murakami, Yusuke Okazaki, Masato Furuhashi, Hideaki Yoshida, Tetsuji Miura
BACKGROUND/AIMS: Relationships between the number of anti-thrombosis agents, clinical benefits and adverse events in hemodialysis (HD) patients are unclear. METHODS: All patients on HD in 22 institutes (n = 1,071) were enrolled and followed up for 3 years. After exclusion of patients with missing data, kidney transplantation or retraction of consent during the follow-up period (n = 204), mortality rate and ischemic and hemorrhagic events were compared between different regimens of anti-thrombosis agents...
September 18, 2017: Kidney & Blood Pressure Research
https://www.readbyqxmd.com/read/28854440/the-nrf2-ho-1-pathway-mediates-the-antagonist-effect-of-l-arginine-on-renal-ischemia-reperfusion-injury-in-rats
#5
Fei Tong, Xinmei Zhou
BACKGROUND/AIMS: Ischemia/reperfusion (I/R) is the most common cause of acute renal injury. I/R-induced oxidative stress is involved in the development of acute renal injury, which can be reversed by supplementation with L-arginine, a precursor of nitric oxide (NO). This study was conducted to evaluate alterations in the expression of transcription factors [nuclear factor kappa B (NF-κB), nuclear factor-E2-related factor-2 (Nrf2), and heme oxygenase 1 (HO-1)] and heat shock protein 70 (HSP70) in the kidney of I/R-induced injury rats...
August 30, 2017: Kidney & Blood Pressure Research
https://www.readbyqxmd.com/read/28854437/the-ameliorative-effect-of-pectin-insulin-patch-on-renal-injury-in-streptozotocin-induced-diabetic-rats
#6
Ntethelelo Sibiya, Phikelelani Ngubane, Musa Mabandla
BACKGROUND/AIMS: Renal damage and dysfunction is attributed to sustained hyperglycaemia in overt diabetes. Subcutaneous insulin injections are beneficial in delaying the progression of renal dysfunction and damage in diabetics. However, the current mode of administration is associated with severe undesirable effects. In this study, we evaluated the ameliorative effects of pectin-insulin dermal patches on renal dysfunction in diabetes. METHODS: Pectin-insulin patches (20...
August 30, 2017: Kidney & Blood Pressure Research
https://www.readbyqxmd.com/read/28854436/pregnancy-associated-plasma-protein-a2-in-hemodialysis-patients-significance-for-prognosis
#7
Marta Kalousová, Sylvie Dusilová-Sulková, Aleš A Kuběna, Oskar Zakiyanov, Kateřina Levová, Markéta Bocková, Erika Gedeonová, Xue Chadtová Song, Maria Laura Ermini, Tomáš Špringer, Jiří Homola, Vladimír Tesař, Tomáš Zima
BACKGROUND: Pregnancy-associated plasma protein A (PAPP-A) is associated with adverse outcome of long-term hemodialysis patients (HD). The aim of the study was to test whether its homolog pregnancy-associated plasma protein A2 (PAPP-A2) can be detected in serum of HD patients and to define its significance. METHODS: The studied group consisted of 102 long-term HD patients and 25 healthy controls. HD patients were prospectively followed up for five years (2009-2014)...
August 30, 2017: Kidney & Blood Pressure Research
https://www.readbyqxmd.com/read/28854424/poly-ethylene-glycol-block-brush-poly-l-lysine-copolymer-as-an-efficient-nanocarrier-for-human-hepatocyte-growth-factor-with-enhanced-bioavailability-and-anti-ischemia-reperfusion-injury-efficacy
#8
Fei Tong, Hua Zhang
BACKGROUND/AIMS: The aim of this study was to assess the effect of human hepatocyte growth factor (hHGF)-loaded poly (ethylene glycol)-b-brush poly (l-lysine) (PEG-b-P(ELG-g-PLL)) copolymer on ischemia/reperfusion (I/R) injury to different organs. METHODS: The isoelectric point (pI) of hHGF is 5.5, and hHGF combined with PEG-b-P(ELG-g-PLL) copolymer via electrostatic interactions at pH 7.4. The synthesized PEG-b-P(ELG-g-PLL) copolymer was analyzed using 1H nuclear magnetic resonance (1H NMR) and gel permeation chromatography (GPC)...
August 30, 2017: Kidney & Blood Pressure Research
https://www.readbyqxmd.com/read/28787716/two-liters-a-day-keep-the-doctor-away-considerations-on-the-pathophysiology-of-suboptimal-fluid-intake-in-the-common-population
#9
Florian Lang, Isabelle Guelinckx, Guillaume Lemetais, Olle Melander
Suboptimal fluid intake may require enhanced release of antidiuretic hormone (ADH) or vasopressin for the maintenance of adequate hydration. Enhanced copeptin levels (reflecting enhanced vasopressin levels) in 25% of the common population are associated with enhanced risk of metabolic syndrome with abdominal obesity, type 2 diabetes, hypertension, coronary artery disease, heart failure, vascular dementia, cognitive impairment, microalbuminuria, chronic kidney disease, inflammatory bowel disease, cancer, and premature mortality...
August 9, 2017: Kidney & Blood Pressure Research
https://www.readbyqxmd.com/read/28750410/loss-of-the-protein-cystathionine-%C3%AE-synthase-during-kidney-injury-promotes-renal-tubulointerstitial-fibrosis
#10
Xiangning Yuan, Jin Zhang, Feifei Xie, Wenqing Tan, Shuting Wang, Ling Huang, Lijian Tao, Qiqi Xing, Qiongjing Yuan
BACKGROUND/AIMS: Renal tubulointerstitial fibrosis (TIF) is the common pathway of progressive chronic kidney disease. Inflammation has been widely accepted as the major driving force of TIF. Cystathionine β-synthase (CBS) is the first and rate-limiting enzyme in the transsulfuration pathway. CBS is considered to play protective role in liver and pulmonary fibrosis, but its role in TIF remains unknown. The purpose of this study was to investigate the potential role and mechanism of CBS in renal inflammation and TIF...
July 27, 2017: Kidney & Blood Pressure Research
https://www.readbyqxmd.com/read/28750409/timp-2-igfbp7-nephrocheck%C3%A2-measurements-at-intensive-care-unit-admission-after-cardiac-surgery-are-predictive-for-acute-kidney-injury-within-48-hours
#11
Mehmet Oezkur, Attila Magyar, Phillip Thomas, Tabea Stork, Reinhard Schneider, Constanze Bening, Stefan Störk, Peter U Heuschmann, Rainer G Leyh, Martin Wagner
BACKGROUND/AIMS: Acute kidney injury (AKI) is a postoperative complication after cardiac surgery with a high impact on mortality and morbidity. Nephrocheck® [TIMP-2*IGFBP7] determines markers of tubular stress, which occurs prior to tubular damage. It is unknown at which time-point [TIMP-2*IGFBP7] measurement should be performed to ideally predict AKI. We investigated the association of [TIMP-2*IGFBP7] at various time-points with the incidence of AKI in patients undergoing elective cardiac surgery including cardio-pulmonary bypass...
July 27, 2017: Kidney & Blood Pressure Research
https://www.readbyqxmd.com/read/28750406/a-high-fat-diet-during-pregnancy-and-lactation-induces-cardiac-and-renal-abnormalities-in-glut4-male-mice
#12
Michael Kruse, Ariana Fiallo, Jianling Tao, Katalin Susztak, Kerstin Amann, Ellen B Katz, Maureen J Charron
BACKGROUND/AIMS: Altered nutrients during the in utero (IU) and/or lactation (L) period predispose offspring to cardio-renal diseases in adulthood. This study investigates the effect of a high fat diet (HFD) fed to female mice during IU/L on gene expression patterns associated with heart and kidney failure and hypertension in male offspring. METHODS: Female wild type (WT) mice were fed either a HFD or control chow (C) prior to mating with males with a genetic heterozygous deletion of GLUT4 (G4+/-, a model of peripheral insulin resistance and hypertension) and throughout IU/L...
July 27, 2017: Kidney & Blood Pressure Research
https://www.readbyqxmd.com/read/28750403/ablation-of-the-cl-hco3-exchanger-pendrin-enhances-hydrochlorothiazide-induced-diuresis
#13
Saeed Alshahrani, Manoocher Soleimani
BACKGROUND/AIMS: The Cl-/HCO3- exchanger pendrin and the thiazide-sensitive Na-Cl cotransporter NCC are expressed in the kidney distal nephron and mediate salt absorption. We hypothesized that deletion of pendrin leaves NCC as the major salt absorbing transporter in the distal nephron and therefore enhances salt excretion by hydrochlorothiazide (HCTZ). METHODS: Metabolic cage studies were performed in wild type, pendrin KO and NCC KO mice at baseline and following HCTZ treatment...
July 27, 2017: Kidney & Blood Pressure Research
https://www.readbyqxmd.com/read/28689198/influence-of-the-method-of-definition-on-the-prevalence-of-left-ventricular-hypertrophy-in-children-with-chronic-kidney-disease-data-from-the-know-ped-ckd-study
#14
Heeyeon Cho, Hyun Jin Choi, Hee Gyung Kang, Il-Soo Ha, Hae Il Cheong, Kyung Hee Han, Seong Heon Kim, Min Hyun Cho, Jae Il Shin, Joo Hoon Lee, Young Seo Park
BACKGROUND/AIMS: Children with chronic kidney disease (CKD) have a high risk of cardiovascular disease. Left-ventricular (LV) hypertrophy (LVH) is an early marker of cardiovascular disease in pediatric CKD, and the prevalence of LVH in pediatric CKD is approximately 20-30% in pre-dialysis CKD patients. However, there is no consensus on the ideal method of defining LVH in pediatric CKD patients. Previous studies have typically used the LV mass index (LVMI), which is calculated as LV mass in grams divided by height in meters to the 2...
July 7, 2017: Kidney & Blood Pressure Research
https://www.readbyqxmd.com/read/28683439/tnf-%C3%AE-deficiency-prevents-renal-inflammation-and-oxidative-stress-in-obese-mice
#15
Huaiguo Wang, Jian Li, Zhibo Gai, Gerd A Kullak-Ublick, Zewei Liu
BACKGROUND/AIMS: Obese patients and experimental animals exhibit high levels of inflammatory cytokines, such as tumor necrosis factor (TNF)-α. However, the role of TNF-α in the pathophysiologic process in obesity induced kidney damage is still unknown. METHODS: We used TNF-α deficient mice and wild-type (WT) C57/BJ6 mice controls to study the effect of TNF-α on inflammation and oxidative stress in kidney by the model of high-fat diet (HFD) and primary isolated mouse renal proximal tubule cells treated with a mixture of free fatty acids (FFA)...
July 7, 2017: Kidney & Blood Pressure Research
https://www.readbyqxmd.com/read/28668962/acute-exercise-stimulates-carnitine-biosynthesis-and-octn2-expression-in-mouse-kidney
#16
Tom L Broderick, Frank A Cusimano, Chelsea Carlson, Leslie K Tamura
BACKGROUND/AIMS: Carnitine is essential for the transport of long-chain FAs (FA) into the mitochondria for energy production. During acute exercise, the increased demand for FAs results in a state of free carnitine deficiency in plasma. The role of kidney in carnitine homeostasis after exercise is not known. METHODS: Swiss Webster mice were sacrificed immediately after a 1-hour moderate intensity treadmill run, and at 4-hours and 8-hours into recovery. Non-exercising mice served as controls...
June 27, 2017: Kidney & Blood Pressure Research
https://www.readbyqxmd.com/read/28668953/iga-enhances-igf-1-mitogenic-activity-via-receptor-modulation-in-glomerular-mesangial-cells-implications-for-iga-induced-nephropathy
#17
Amal Al-Eisa, Gursev S Dhaunsi
BACKGROUND/AIM: Glomerulonephritis due to mesangial proliferation is responsible for renal dysfunction in IgA nephropathy (IgAN), however molecular mechanisms of pathogenesis are not well known. We examined the effect of IgA on Insulin-like Growth Factor-1 (IGF-1) activity, a potent mitogen with vital role in growth and development of children, and IGF-1 receptor (IGF-1R) in cultures of glomerular mesangial cells (GMC). METHODS: GMC were isolated from rat kidneys using sieving and enzymatic digestion of tissue homogenates, and cultured in RPMI 1640 medium...
June 27, 2017: Kidney & Blood Pressure Research
https://www.readbyqxmd.com/read/28624833/erratum
#18
(no author information available yet)
No abstract text is available yet for this article.
2017: Kidney & Blood Pressure Research
https://www.readbyqxmd.com/read/28624832/erratum
#19
(no author information available yet)
No abstract text is available yet for this article.
2017: Kidney & Blood Pressure Research
https://www.readbyqxmd.com/read/28624831/chelerythrine-attenuates-renal-ischemia-reperfusion-induced-myocardial-injury-by-activating-cse-h2s-via-pkc-nf-%C3%AE%C2%BAb-pathway-in-diabetic-rats
#20
Bo Hu, Guangtao Xu, Yongxia Zheng, Fei Tong, Ping Qian, Xiaoyan Pan, Xinmei Zhou, Ruilin Shen
BACKGROUND/AIMS: Chelerythrine (CHE), a benzophenanthridine alkaloid, is a potent, selective, and cell-permeable protein kinase C (PKC) inhibitor. The purpose of the present study was to evaluate the effect of CHE on myocardial recovery after renal ischemia/reperfusion (I/R)-induced myocardial injury (RI/RMI) in a streptozocin (STZ)-induced diabetic rat model. METHODS: Diabetes mellitus (DM) rats preconditioned with CHE and D, L-propargylglycine (PAG) were subjected to renal I/R...
2017: Kidney & Blood Pressure Research
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