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uric acid and progression of kidney disease

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https://www.readbyqxmd.com/read/27906625/uric-acid-metabolism-of-kidney-and-intestine-in-a-rat-model-of-chronic-kidney-disease
#1
Michito Nagura, Yoshifuru Tamura, Takanori Kumagai, Makoto Hosoyamada, Shunya Uchida
Uric acid (UA) is a potential risk factor of the progression of chronic kidney disease (CKD). Recently, we reported that intestinal UA excretion might be enhanced via upregulation of the ATP-binding cassette transporter G2 (Abcg2) in a 5/6 nephrectomy (Nx) rat model. In the present study, we examined the mRNA and protein expressions of UA transporters, URAT1, GLUT9/URATv1, ABCG2 and NPT4 in the kidney and ileum in the same rat model. Additionally, we investigated the Abcg2 mRNA expression of ileum in hyperuricemic rat model by orally administering oxonic acid...
December 2016: Nucleosides, Nucleotides & Nucleic Acids
https://www.readbyqxmd.com/read/27903994/synbiotic-supplementations-for-azotemia-in-patients-with-chronic-kidney-disease-a-randomized-controlled-trial
#2
Hamideh Dehghani, Fatemeh Heidari, Hassan Mozaffari-Khosravi, Nader Nouri-Majelan, Ali Dehghani
INTRODUCTION: Chronic kidney disease (CKD) is a progressive and irreversible impairment of kidney function; if it progresses to the end-stage of CKD, dialysis or kidney transplant is needed. In general, there are no definitive treatment to slow the progression of CKD. This study aimed to determine the effect of synbiotic supplementations on azotemia in patients with CKD. MATERIALS AND METHODS: A randomized controlled trial was conducted on 66 patients with CKD (stages 3 and 4)...
November 2016: Iranian Journal of Kidney Diseases
https://www.readbyqxmd.com/read/27867961/cardio-renal-protection-with-empagliflozin
#3
Richard J MacIsaac, George Jerums, Elif I Ekinci
Cardiovascular (CV) and kidney disease are common and significant complications in people with type 2 diabetes (T2DM). CV disease is the leading cause of death, morbidly and hospitalisations for people with T2DM. Furthermore, diabetic kidney disease is a major risk factor for CV disease and is the main reason why patients need renal replacement therapy. In this perspective, we highlight the results of the recent landmark EMPA-REG OUTCOME trial which has shown that empagliflozin, a member of the sodium-glucose co-transporter 2 (SGLT-2) inhibitor class of glucose lowering medications, reduces death from CV causes, hospitalisation for heart failure and progression to end stage kidney disease in patients with T2DM and established CV disease...
October 2016: Annals of Translational Medicine
https://www.readbyqxmd.com/read/27784849/hyperuricemia-as-a-predictive-marker-for-progression-of-nephrosclerosis-clinical-assessment-of-prognostic-factors-in-biopsy-proven-arterial-arteriolar-nephrosclerosis
#4
Kumiko Momoki, Hiroshi Kataoka, Takahito Moriyama, Toshio Mochizuki, Kosaku Nitta
AIM: The influence of serum urate on kidney disease is attracting attention, but the effects of uric acid (UA) on nephrosclerosis have not been elucidated. METHODS: We reviewed data from 45 patients diagnosed with arterial/arteriolar nephrosclerosis. The renal outcomes of the arterial/arteriolar nephrosclerosis patients were assessed by performing logistic and Cox regression analyses. A Kaplan-Meier analysis was used to evaluate the impact of hyperuricemia (HU) on kidney survival...
October 26, 2016: Journal of Atherosclerosis and Thrombosis
https://www.readbyqxmd.com/read/27756957/effect-of-hydro-alcoholic-extract-of-vernonia-cinerea-less-against-ethylene-glycol-induced-urolithiasis-in-rats
#5
Ravindra D Hiremath, Sunil S Jalalpure
OBJECTIVE: Aim of this study is to evaluate antiurolithiatic potential of whole plant hydro-alcoholic (30:70) extract of Vernonia cinerea Less. in accordance to its claims made in ancient literature and also being one of the ingredients of cystone, a marketed formulation widely used in the management of urolithiasis. MATERIALS AND METHODS: To induce urolithiasis, 0.75% v/v ethylene glycol was administered orally for 14 days. The curative dose of 400 mg/kg b.w. and preventive doses of 100, 200, and 400 mg/kg b...
July 2016: Indian Journal of Pharmacology
https://www.readbyqxmd.com/read/27754083/os-19-06-change-of-blood-pressure-pattern-and-target-organ-damage-in-patients-with-chronic-kidney-disease-results-of-the-aprodite-2-study
#6
Ran-Hui Cha, Hajeong Lee, Jung Pyo Lee, Chun Soo Lim, Yon Su Kim, Sung Gyun Kim
OBJECTIVE: Blood pressure (BP) control is the most established practice for preventing the progression of chronic kidney disease (CKD). We examined the BP control and nocturnal dipping pattern change in hypertensive patients with CKD and its effects on target organ damages. DESIGN AND METHOD: We recruited 378 hypertensive CKD patients from 4 centers in Korea. They underwent office and ambulatory BP monitoring at the time of enrollment and 1 year after. High office and ambulatory BP was defined as > 140/90 mmHg and > 135/85 mmHg (daytime)/> 120/70 mmHg (nighttime), respectively...
September 2016: Journal of Hypertension
https://www.readbyqxmd.com/read/27750081/metabolomics-insights-into-activated-redox-signaling-and-lipid-metabolism-dysfunction-in-chronic-kidney-disease-progression
#7
Hua Chen, Gang Cao, Dan-Qian Chen, Ming Wang, Nosratola D Vaziri, Zhi-Hao Zhang, Jia-Rong Mao, Xu Bai, Ying-Yong Zhao
Early detection is critical in prevention and treatment of kidney disease. However currently clinical laboratory and histopathological tests do not provide region-specific and accurate biomarkers for early detection of kidney disease. The present study was conducted to identify sensitive biomarkers for early detection and progression of tubulo-interstitial nephropathy in aristolochic acid I-induced rats at weeks 4, 8 and 12. Biomarkers were validated using aristolochic acid nephropathy (AAN) rats at week 24, adenine-induced chronic kidney disease (CKD) rats and CKD patients...
September 28, 2016: Redox Biology
https://www.readbyqxmd.com/read/27733763/a-j-shaped-association-between-serum-uric-acid-levels-and-poor-renal-survival-in-female-patients-with-iga-nephropathy
#8
Yuta Matsukuma, Kosuke Masutani, Shigeru Tanaka, Akihiro Tsuchimoto, Kiichiro Fujisaki, Kumiko Torisu, Ritsuko Katafuchi, Hideki Hirakata, Kazuhiko Tsuruya, Takanari Kitazono
Recently, low serum uric acid (SUA) levels and high SUA levels, have emerged as risk factors for cardiovascular disease, as well as for the incidence of acute kidney injury and chronic kidney disease (CKD). However, the effect of low SUA on the progression of CKD remains unclear. To evaluate the association between SUA and renal prognosis in patients with immunoglobulin A nephropathy (IgAN), one of the most common causes of CKD, we retrospectively followed 1218 patients who were diagnosed with primary IgAN by kidney biopsy between October 1979 and December 2010...
October 13, 2016: Hypertension Research: Official Journal of the Japanese Society of Hypertension
https://www.readbyqxmd.com/read/27696189/hyperuricemia-hypertension-and-chronic-kidney-disease-an-emerging-association
#9
Samir G Mallat, Sahar Al Kattar, Bassem Y Tanios, Abdo Jurjus
Uric acid is a product of purine metabolism and has been linked to gout and kidney calculi. Chronic kidney disease (CKD) and hypertension (HTN) are two major public health problems, and both are associated with increased risk of cardiovascular events. Emerging evidence suggests a pathogenic role of hyperuricemia in the development of HTN and CKD, in addition to progression of CKD, by inducing renal inflammation, endothelial dysfunction, and activation of the renin-angiotensin system. In addition, several epidemiological studies have linked hyperuricemia with an increased risk of HTN and CKD...
October 2016: Current Hypertension Reports
https://www.readbyqxmd.com/read/27665506/cardio-renal-syndrome-type-4-the-correlation-between-cardiorenal-ultrasound-parameters
#10
Silvia Lai, Mauro Ciccariello, Mira Dimko, Alessandro Galani, Silvio Lucci, Rosario Cianci, Amalia Mariotti
: Bakground/Aims: Cardiovascular diseases represent the leading causes of morbidity and mortality in patients with cronich kidney disease (CKD). The pathogenesis includes a complex, bidirectional interaction between heart and kidney termed cardiorenal syndrome type 4. The aim of study was to evaluate the association between renal and cardiovascular ultrasonographic parameters and identify early markers of cardiovascular risk. METHODS: A total of 35 patients with CKD and 25 healthy controls, were enrolled and we have evaluated inflammatory indexes, mineral metabolism, renal function, renal and cardiovascular ultrasonographic parameters...
2016: Kidney & Blood Pressure Research
https://www.readbyqxmd.com/read/27643008/os-19-06-change-of-blood-pressure-pattern-and-target-organ-damage-in-patients-with-chronic-kidney-disease-results-of-the-aprodite-2-study
#11
Ran-Hui Cha, Hajeong Lee, Jung Pyo Lee, Chun Soo Lim, Yon Su Kim, Sung Gyun Kim
OBJECTIVE: Blood pressure (BP) control is the most established practice for preventing the progression of chronic kidney disease (CKD). We examined the BP control and nocturnal dipping pattern change in hypertensive patients with CKD and its effects on target organ damages. DESIGN AND METHOD: We recruited 378 hypertensive CKD patients from 4 centers in Korea. They underwent office and ambulatory BP monitoring at the time of enrollment and 1 year after. High office and ambulatory BP was defined as > 140/90 mmHg and > 135/85 mmHg (daytime)/> 120/70 mmHg (nighttime), respectively...
September 2016: Journal of Hypertension
https://www.readbyqxmd.com/read/27611091/underweight-is-an-independent-risk-factor-for-renal-function-deterioration-in-patients-with-iga-nephropathy
#12
Yan Ouyang, Jingyuan Xie, Meng Yang, Xiaoyan Zhang, Hong Ren, Weiming Wang, Nan Chen
Studies on the relationship between body mass index (BMI) and renal progression in IgA Nephropathy (IgAN) were limited, especially for underweight patients with IgAN. To elucidate the clinical features and effect of underweight on renal function deterioration in this disease, we recruited IgAN patients with diagnostic age ≥18 years old and a baseline estimated glomerular filtration rate (eGFR) ≥15 ml/min/1.73m2 from our center between 1985 and 2014. Patients secondary to systemic diseases or follow-up less than 6 months were excluded...
2016: PloS One
https://www.readbyqxmd.com/read/27560997/serum-uric-acid-level-predicts-progression-of-iga-nephropathy-in-females-but-not-in-males
#13
Yasuyuki Nagasawa, Ryohei Yamamoto, Tatsuya Shoji, Maki Shinzawa, Yukiko Hasuike, Katsuyuki Nagatoya, Atsushi Yamauchi, Terumasa Hayashi, Takayuki Kuragano, Toshiki Moriyama, Yoshitaka Isaka, Takeshi Nakanishi
BACKGROUND: Immunoglobulin A nephropathy (IgAN) is one of most common forms of glomerulonephritis. At this point, the clinical impact of hyperuricemia on IgAN is not clear. The aim of the present study was to explore the clinical impact of hyperuricemia on the progression of IgAN. STUDY DESIGN: Multicenter retrospective cohort study. SETTING & PARTICIPANTS: 935 IgAN patients who were diagnosed by kidney biopsy at Osaka University Hospital, Osaka General Hospital, and Osaka Rosai Hospital...
2016: PloS One
https://www.readbyqxmd.com/read/27555289/hyperuricemia-is-associated-with-increased-hospitalization-risk-and-healthcare-costs-evidence-from-an-administrative-database-in-italy
#14
L Degli Esposti, G Desideri, S Saragoni, S Buda, R Pontremoli, C Borghi
BACKGROUND AND AIM: Chronic hyperuricemia is responsible for a relevant burden of articular diseases and cardio-nephrometabolic disorders. We evaluated the effect of high serum uric acid (SUA) levels on hospitalization risk and mortality and on healthcare costs in a real-life setting. METHODS AND RESULTS: We conducted a retrospective analysis using a large administrative database and a clinical registry among 112,170 subjects from three Italian local health units...
October 2016: Nutrition, Metabolism, and Cardiovascular Diseases: NMCD
https://www.readbyqxmd.com/read/27508751/-op-5c-04-heart-rate-is-associated-with-glomerular-hyperfiltration-in-apparently-healthy-subjects
#15
A Vrdoljak, V Ivkovic, S Karanovic, Z Dika, V Domislovic, K Dapic, L Gallineo, E Ivandic, J Josipovic, I Vukovic, J Kos, M Laganovic, T Zeljkovic Vrkic, M Fistrek Prlic, I Pecin, M Fucek, J Sertic, N Leko, B Jelakovic
OBJECTIVE: Glomerular hyperfiltration (GHF) was associated with progression of kidney disease and hypertension (HT). It was reported that high metabolic risk is related to increase of GHF. Our aim was to analyze in apparently healthy subjects which factor(s) influence (s) GHF and determine(s) clinical course in long-term prospective study. DESIGN AND METHOD: Out of 954 subjects enrolled in ENAH follow-up study, 371 (137 m, 234w; mean age = 46years) were eligible for further analysis:100 with optimal, 72 with normal BP, 70 with PHT (high normal BP), and 129 with newly diagnosed untreated HT...
September 2016: Journal of Hypertension
https://www.readbyqxmd.com/read/27508620/-op-2b-03-glomerular-hyperfiltration-as-a-risk-factor-for-renal-impairment-and-hypertension-in-apparently-healthy-subjects
#16
A Vrdoljak, V Ivkovic, S Karanovic, Z Dika, V Domislovic, K Dapic, L Gallineo, E Ivandic, J Josipovic, I Vukovic, J Kos, M Laganovic, T Zeljkovic Vrkic, M Fistrek Prlic, I Pecin, M Fucek, J Sertic, N Leko, B Jelakovic
OBJECTIVE: Chronic kidney disease(CKD) is established CV risk factor, and already early renal impairment(RI) increases risk for hypertension(HT) and loss of renal function. It was reported that blood pressure (BP) and metabolic derangements are associated with glomerular hyperfiltration(GHF), and GHF increases risk of developing microalbuminuria (MA) in HT stage 1. Our aim was to analyze whether GHF predicts progression to HT and RI in apparently healthy subjects. DESIGN AND METHOD: Out of 954 subjects enrolled in ENAH follow-up study, 371 (137 m, 234 w; mean age = 46 years) were eligible for further analysis:100 with optimal, 72 with normal BP, 70 with PHT (high normal BP), and 129 with newly diagnosed untreated HT...
September 2016: Journal of Hypertension
https://www.readbyqxmd.com/read/27470664/hyperuricemia-the-kidneys-and-the-spectrum-of-associated-diseases-a-narrative-review
#17
Diana I Jalal
Hyperuricemia (elevated serum uric acid) is prevalent, and an important mediator of gout, an increasingly common condition. In addition, hyperuricemia is associated with metabolic syndrome, diabetes, hypertension, and kidney and cardiovascular diseases. Although it remains controversial whether hyperuricemia is a causal factor for kidney disease, the kidneys play a major role in the regulation of serum uric acid levels. Approximately two-thirds of the uric acid produced in humans is excreted by the kidneys...
November 2016: Current Medical Research and Opinion
https://www.readbyqxmd.com/read/27408371/obstructive-uropathy-as-an-initial-presentation-of-primary-myelofibrosis-case-report-and-review-of-literature
#18
Anirban Ganguli, Ramandeep Singh Chalokia, Brahm Jyot Kaur
Primary myelofibrosis (PMF) is a rare hematological disorder associated with progressive cytopenia and extra-medullary hematopoiesis. Acute kidney injury in this disease has been reported from diverse etiologies such as renal and peri-renal extramedullary hematopoiesis and tumor lysis syndrome. We report a patient who presented with obstructive uropathy from uric acid stones who was incidentally diagnosed with PMF during workup for persistent thrombocytosis and leukocytosis. Marrow histopathology was unique in presenting features of early PMF despite clinical picture mimicking essential thrombocythemia...
June 2016: Indian Journal of Hematology & Blood Transfusion
https://www.readbyqxmd.com/read/27355680/combined-association-of-serum-uric-acid-and-metabolic-syndrome-with-chronic-kidney-disease-in-hypertensive-patients
#19
Haijiang Dai, Shijuan Lu, Xiaohong Tang, Minggen Lu, Ruifang Chen, Zhiheng Chen, Pingting Yang, Chang Liu, Honghao Zhou, Yao Lu, Hong Yuan
BACKGROUND/AIMS: Chronic kidney disease (CKD) is one of the major complications of hypertension. It is not only associated with the future burden of end-stage renal disease but also affects mortality and cardiovascular outcomes caused by hypertension. To help understand the pathogenesis and early prevention of progressive CKD, this large-scale study is designed to determine the complex association between serum uric acid (SUA), metabolic syndrome and the prevalence of CKD in hypertensive patients...
2016: Kidney & Blood Pressure Research
https://www.readbyqxmd.com/read/27339448/time-to-target-uric-acid-to-retard-ckd-progression
#20
Takanori Kumagai, Tatsuru Ota, Yoshifuru Tamura, Wen Xiu Chang, Shigeru Shibata, Shunya Uchida
Uric acid (UA) remains a possible risk factor of chronic kidney disease (CKD) but its potential role should be elucidated given a fact that multidisciplinary treatments assure a sole strategy to inhibit the progression to end-stage renal disease (ESRD). In clinical setting, most observational studies showed that elevation of serum uric acid (SUA) independently predicts the incidence and the development of CKD. The meta-analysis showed that SUA-lowering therapy with allopurinol may retard the progression of CKD but did not reach conclusive results due to small-sized studies...
June 23, 2016: Clinical and Experimental Nephrology
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