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https://www.readbyqxmd.com/read/28337250/podocyte-injury-and-albuminuria-in-experimental-hyperuricemic-model-rats
#1
Shinichiro Asakawa, Shigeru Shibata, Chikayuki Morimoto, Takeshi Shiraishi, Takashi Nakamura, Yoshifuru Tamura, Takanori Kumagai, Makoto Hosoyamada, Shunya Uchida
Although hyperuricemia is shown to accelerate chronic kidney disease, the mechanisms remain unclear. Accumulating studies also indicate that uric acid has both pro- and antioxidant properties. We postulated that hyperuricemia impairs the function of glomerular podocytes, resulting in albuminuria. Hyperuricemic model was induced by oral administration of 2% oxonic acid, a uricase inhibitor. Oxonic acid caused a twofold increase in serum uric acid levels at 8 weeks when compared to control animals. Hyperuricemia in this model was associated with the increase in blood pressure and the wall-thickening of afferent arterioles as well as arcuate arteries...
2017: Oxidative Medicine and Cellular Longevity
https://www.readbyqxmd.com/read/28332473/correlation-analysis-of-renal-ultrasound-elastography-and-clinical-and-pathological-changes-in-patients-with-chronic-kidney-disease%C3%A2
#2
Lingyan Peng, Tingting Zhong, Qiuling Fan, Yanjun Liu, Xuemei Wang, Lining Wang
OBJECTIVE: To analyze the correlations of renal tissue elastography with clinical biochemical indicators and pathological changes in patients with chronic kidney disease (CKD) as well as to explore the potential for renal tissue elastography as a new, noninvasive method for the dynamic monitoring of renal disease progression, efficacy assessment, and prognosis evaluation. METHODS: Patients admitted to the Department of Nephrology of the First Affiliated Hospital of China Medical University from August 2014 to January 2015 who had undergone renal biopsies were selected...
March 23, 2017: Clinical Nephrology
https://www.readbyqxmd.com/read/28297698/magnesium-replacement-improves-the-metabolic-profile-in-obese-and-pre-diabetic-patients-with-mild-to-moderate-chronic-kidney-disease-a-3-month-randomised-double-blind-placebo-controlled-study
#3
Omer Toprak, Huseyin Kurt, Yasin Sarı, Cihat Şarkış, Halil Us, Ali Kırık
BACKGROUND/AIMS: Magnesium is an essential mineral for many metabolic functions. There is very little information on the effect of magnesium supplementation on metabolic profiles of chronic kidney disease (CKD) patients. The aim of this study was to assess the influence of magnesium supplementation on metabolic profiles of pre-diabetic, obese and mild-to-moderate CKD patients with hypomagnesemia. METHODS: A total of 128 hypomagnesemic, pre-diabetic and obese patients with an estimated glomerular filtration rate between 90 and 30 ml/min/1...
March 13, 2017: Kidney & Blood Pressure Research
https://www.readbyqxmd.com/read/28292724/deleterious-role-of-trace-elements-silica-and-lead-in-the-development-of-chronic-kidney-disease
#4
Starlaine Mascarenhas, Srikanth Mutnuri, Anasuya Ganguly
Chronic-Kidney-Disease of Unknown-etiology (CKDu) has been reported in developing-countries like Sri-Lanka, India and Central-America without sparing the Indian sub-district (namely Canacona) located in south-Goa. The disease etiology is unlinked to common causes of diabetes and hypertension and assumed to be environmentally induced due to its asymptomatic-nature and occurrence in groundwater relying communities. This study aimed to understand environmental risk-factors underlying CKDu-etiology using Indian sub-district (Canacona) as case-study...
March 1, 2017: Chemosphere
https://www.readbyqxmd.com/read/28285309/elevated-serum-uric-acid-level-predicts-rapid-decline-in-kidney-function
#5
Masanari Kuwabara, Petter Bjornstad, Ichiro Hisatome, Koichiro Niwa, Carlos A Roncal-Jimenez, Ana Andres-Hernando, Thomas Jensen, Tamara Milagres, Yuka Sato, Gabriela Garcia, Minoru Ohno, Miguel A Lanaspa, Richard J Johnson
BACKGROUND: While elevated serum uric acid level (SUA) is a recognized risk factor for chronic kidney disease, it remains unclear whether change in SUA is independently associated with change in estimated glomerular filtration rate (eGFR) over time. Accordingly, we examined the longitudinal associations between change in SUA and change in eGFR over 5 years in a general Japanese population. METHODS: This was a large, single-center, retrospective 5-year cohort study at St...
March 11, 2017: American Journal of Nephrology
https://www.readbyqxmd.com/read/28273641/betulinic-acid-attenuates-renal-fibrosis-in-rat-chronic-kidney-disease-model
#6
Anshuk Sharma, Richa Thakur, Madhu C Lingaraju, Dhirendra Kumar, Karikalan Mathesh, Avinash G Telang, Thakur Uttam Singh, Dinesh Kumar
BACKGROUND: Most chronic kidney diseases (CKDs), regardless of the nature of the initial injury, progress to end-stage renal disease (ESRD) characterized by fibrosis with irreversible loss of tissue and function. Thus, improved and more effective therapies are critical. Betulinic acid (BA), a pentacyclic triterpene is a compound in the pipeline of anti-cancer drug development. It has been shown to a possess variety of beneficial effects in many disease conditions. However, its efficacy against CKD is yet to be explored...
March 5, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28270645/kidney-function-in-patients-with-different-variants-of-beta-thalassemia
#7
Azar Nickavar, Azadeh Qmarsi, Shahla Ansari, Elham Zarei
INTRODUCTION: Renal involvement is a rare complication of β-thalassemia. Both tubular and glomerular dysfunction might occur in these patients. The aim of this study was to evaluate and compare kidney function in the major, intermedia, and minor variants of β-thalassemia. MATERIALS AND METHODS: Renal tubular and glomerular function of 72 patients with β-thalassemia (25 major, 23 intermedia, and 24 minor) were evaluated. Patients older than 40 years and those with chronic kidney disease, diabetes mellitus, congestive heart failure, associated infections, congenital anomalies of the kidney and urinary tract were excluded...
March 2017: Iranian Journal of Kidney Diseases
https://www.readbyqxmd.com/read/28267132/pentraxin3-as-a-new-indicator-of-cardiovascular-related-death-in-patients-with-advanced-chronic-kidney-disease
#8
Marcin Krzanowski, Katarzyna Krzanowska, Mariusz Gajda, Paulina Dumnicka, Artur Dziewierz, Karolina Woziwodzka, Jan A Litwin, Władysław Sułowicz
INTRODUCTION    Pentraxin3 (PTX3) play an important role in the inflammatory response, taking part in recognizing pathogens and damaged tissues. OBJECTIVES    The aim of the study was to assess the relationship between PTX3 levels and all-cause and cardiovascular (CV) mortality in chronic kidney disease (CKD) patients during five-year observation period.  PATIENTS AND METHODS    The study comprised 78 patients (51 hemodialyzed, 27 predialysis). The examined parameters included PTX3, calcium, phosphate, iPTH, interleukin-6 (IL-6), fibroblast growth factor 23 (FGF-23), osteopontin (OPN), osteoprotegerin (OPG), osteocalcin (OC), osteopontin (OPN), osteoprotegerin (OPG), osteocalcin, tumor necrosis factor receptor II (TNF-R II), transforming growth factor-β (TGF-β), hepatocyte growth factor (HGF), stromal cell-derived factor α (SDF1α), and thrombomodulin (TM)...
February 27, 2017: Pol Arch Intern Med
https://www.readbyqxmd.com/read/28262263/renal-function-is-similar-in-solitary-kidneys-from-patients-with-and-without-diabetes
#9
Cristina Gluhovschi, Gheorghe Gluhovschi, Florica Gadalean, Silvia Velciov, Ligia Petrica, Bogdan Timar, Adriana Kaycsa, Romulus Timar
OBJECTIVES: Due to the shortage of living kidney donors and the current diabetes mellitus (DM) pandemic, studying the association of solitary kidney (SK) with DM is of paramount importance. Our aim was to assess the significance of the association between SK and DM. MATERIALS AND METHODS: Eighty-four patients with SK and DM (group A), with a mean age of 62.46±12.72 years, of whom 36 were males and 48 were females, were enrolled in the study. The control group (group B) comprised 84 SK patients without DM of similar age and duration of existence of a SK...
March 2, 2017: Nefrología: Publicación Oficial de la Sociedad Española Nefrologia
https://www.readbyqxmd.com/read/28223818/an-evidence-based-review-on-urate-lowering-treatments-implications-for-optimal-treatment-of-chronic-hyperuricemia
#10
REVIEW
Marilisa Bove, Arrigo Francesco Giuseppe Cicero, Maddalena Veronesi, Claudio Borghi
Several studies suggest that chronic hyperuricemia, the main precursor of gout, is involved in the pathogenesis of different systemic disorders that affect cardiovascular and renal systems, such as hypertension, obesity, hypercholesterolemia, atherosclerosis, metabolic syndrome, chronic heart failure, and chronic kidney disease. Recent epidemiological evidence has shown an increasing trend in the prevalence of hyperuricemia and gout in the Western world: a number of population-based studies estimate a prevalence of up to 21% for hyperuricemia and 1%-4% for gout...
2017: Vascular Health and Risk Management
https://www.readbyqxmd.com/read/28205286/association-of-mmp-9-gene-polymorphisms-with-nephrolithiasis-patients
#11
Atheer Awad Mehde, Wesen Adel Mehdi, Faridah Yusof, Raha Ahmed Raus, Zaima Azira Zainal Abidin, Hamid Ghazali, Azlina Abd Rahman
BACKGROUND: Nephrolithiasis is one of the causes which lead to chronic kidney disease (CKD). Matrix metalloproteinases (MMPs) are endopeptidases degrading extracellular matrix which correlate with the pathogenesis of atherosclerosis. The current study was designed to analyze the association of (R279Q, C1562T) polymorphism of MMP-9 with nephrolithiasis patients. METHODS: Genotyping of MMP-9/R279Q and of MMP-9/C1562T polymorphism were carried out by PCR-based restriction digestion method...
February 15, 2017: Journal of Clinical Laboratory Analysis
https://www.readbyqxmd.com/read/28183204/serum-uric-acid-to-creatinine-ratio-a-predictor-of-incident-chronic-kidney-disease-in-type-2-diabetes-mellitus-patients-with-preserved-kidney-function
#12
Liubao Gu, Liji Huang, Haidi Wu, Qinglin Lou, Rongwen Bian
BACKGROUND: Serum uric acid has shown to be a predictor of renal disease progression in most but not all studies. This study aims to test whether renal function-normalized serum uric acid is superior to serum uric acid as the predictor of incident chronic kidney disease in type 2 diabetes mellitus patients. METHODS: In this study, 1339 type 2 diabetes mellitus patients with estimated glomerular filtration rate ⩾60 mL/min/1.73 m(2) and normouricemia were included...
February 1, 2017: Diabetes & Vascular Disease Research
https://www.readbyqxmd.com/read/28114139/uric-acid-vascular-stiffness-and-chronic-kidney-disease-is-there-a-link
#13
REVIEW
Juan C Ramirez-Sandoval, L Gabriela Sanchez-Lozada, Magdalena Madero
Controversy exists with regard to the causal role of hyperuricemia in chronic kidney disease. Vascular stiffness may be the link that explains the relation between hyperuricemia and kidney disease. Hyperuricemia is associated with a number of effects on the vascular endothelium and vascular smooth muscle cells, including an increase in oxidative stress, production of vasoconstrictors, and changes on the structural properties of the large artery wall. Observational evidence in large epidemiological cross-sectional studies suggests that there is an independent association between uric acid and arterial stiffness...
2017: Blood Purification
https://www.readbyqxmd.com/read/28107415/serum-uric-acid-and-progression-of-kidney-disease-a-longitudinal-analysis-and-mini-review
#14
Ching-Wei Tsai, Shih-Yi Lin, Chin-Chi Kuo, Chiu-Ching Huang
BACKGROUND: Increasing evidence supports the association between hyperuricemia and incident chronic kidney disease (CKD); however, there are conflicting data regarding the role of hyperuricemia in the progression of CKD. This study retrospectively assessed the longitudinal association between uric acid (UA) level and CKD progression in a Chinese population lived in Taiwan. METHODS: Patients with physician diagnosis of hyperuricemia or receiving urate-lowering therapy between 2003 and 2005 were identified in the electronic medical records (EMR) of a tertiary medical center and were followed up until December 31, 2011...
2017: PloS One
https://www.readbyqxmd.com/read/28098108/the-relationship-between-mean-platelet-volume-and-neutrophil-lymphocyte-ratio-with-inflammation-and-proteinuria-in-chronic-kidney-disease
#15
Gulay Yilmaz, Can Sevinc, Sedat Ustundag, Yasemin Coskun Yavuz, Tuba Hacıbekiroglu, Esra Hatipoglu, Mehmet Baysal
Atherosclerosis, which develops as a result of inflammation, is the most important cause of morbidity and mortality in chronic kidney disease (CKD). In this study, we investigated the relationship of mean platelet volume (MPV) and neutrophil/lymphocyte ratio (NLR) with inflammation and proteinuria in patients with CKD Stage 3-4. Healthy individuals who applied to nephrology clinic for checkup purposes acted as controls. Fifty-three patients and 30 healthy controls were included in the study. Patients with diabetes mellitus, active infection, malignancy, and coronary artery disease were excluded from the study...
January 2017: Saudi Journal of Kidney Diseases and Transplantation
https://www.readbyqxmd.com/read/28098104/evaluation-of-arterial-stiffness-in-nondiabetic-chronic-kidney-disease-patients
#16
Bodanapu Mastanvalli, Kolla Praveen Kumar, Desai Madhav, P L Venkata Pakki Reddy, Shaik Mahaboob Vali
Chronic kidney disease (CKD) is a growing problem worldwide. Clinical and epidemiologic studies have shown that structural and functional changes that occur in major arteries are a major contributing factor to the high mortality in uremic patients. Recent studies have shown a stepwise increase of the carotid-femoral pulse wave velocity (cfPWV) from CKD Stage 1 to Stage 5. We evaluated the cfPWV and augmentation index (AIx), as indirect markers of arterial stiffness in patients with nondiabetic CKD and compared the values with normal population; we also evaluated the relationship between various stages of CKD and arterial stiffness markers...
January 2017: Saudi Journal of Kidney Diseases and Transplantation
https://www.readbyqxmd.com/read/28095793/genetic-variation-underlying-renal-uric-acid-excretion-in-hispanic-children-the-viva-la-familia-study
#17
Geetha Chittoor, Karin Haack, Nitesh R Mehta, Sandra Laston, Shelley A Cole, Anthony G Comuzzie, Nancy F Butte, V Saroja Voruganti
BACKGROUND: Reduced renal excretion of uric acid plays a significant role in the development of hyperuricemia and gout in adults. Hyperuricemia has been associated with chronic kidney disease and cardiovascular disease in children and adults. There are limited genome-wide association studies associating genetic polymorphisms with renal urate excretion measures. Therefore, we investigated the genetic factors that influence the excretion of uric acid and related indices in 768 Hispanic children of the Viva La Familia Study...
January 17, 2017: BMC Medical Genetics
https://www.readbyqxmd.com/read/28074335/clinical-effects-of-topiroxostat-on-renal-and-endothelial-function-in-a-patient-with-chronic-kidney-disease-and-hyperuricemic-arteriolopathy-a-case-report
#18
Atsushi Tanaka, Tsukasa Nakamura, Eiichi Sato, Koichi Node
Hyperuricemia is associated with the progression of chronic kidney disease (CKD) and cardiovascular diseases. Topiroxostat, a selective xanthine oxidase inhibitor, effectively reduces serum uric acid (UA) levels and urinary albumin excretion (UAE) in CKD patients. A 50-year-old Japanese man was referred to our hospital due to albuminuria and hyperuricemia, and renal biopsy showed a typical hyperuricemic arteriolopathy. Treatment with topiroxostat decreased serum UA levels (9.2 mg/dL at baseline to 6.4 mg/dL after 6 months), UAE (388 to 88 mg/g...
March 2017: Drugs in R&D
https://www.readbyqxmd.com/read/28057038/aldose-reductase-mediates-endothelial-cell-dysfunction-induced-by-high-uric-acid-concentrations
#19
Zhiyong Huang, Quan Hong, Xueguang Zhang, Wenzhen Xiao, Liyuan Wang, Shaoyuan Cui, Zhe Feng, Yang Lv, Guangyan Cai, Xiangmei Chen, Di Wu
BACKGROUND: Uric acid (UA) is an antioxidant found in human serum. However, high UA levels may also have pro-oxidant functions. According to previous research, aldose reductase (AR) plays a vital role in the oxidative stress-related complications of diabetes. We sought to determine the mechanism by which UA becomes deleterious at high concentrations as well as the effect of AR in this process. METHOD: Endothelial cells were divided into three groups cultured without UA or with 300 μM or 600 μM UA...
January 5, 2017: Cell Communication and Signaling: CCS
https://www.readbyqxmd.com/read/28056516/assessment-of-renal-function-and-risk-factors-for-chronic-kidney-disease-in-patients-with-peripheral-arterial-disease
#20
Xi-Bei Jia, Xi-Hua Hou, Qiu-Bo Ma, Xiao-Wen Cai, Yi-Ran Li, Su-Hong Mu, Shi-Ping Na, Ru-Juan Xie, Yu-Shi Bao
Chronic kidney disease (CKD) and peripheral arterial disease (PAD) share common risk factors. We assessed renal function and the prevalence of CKD in patients with PAD and investigated the characteristics of the risk factors for CKD in this population. Renal function of 421 patients with PAD was evaluated. Among the participants, 194 (46.1%) patients had decreased estimated glomerular filtration rate (eGFR). The prevalence of CKD was much higher among patients with PAD. Hypertension (odds ratios [ORs] 2.156, 95% confidence interval [CI] 1...
January 1, 2017: Angiology
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