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https://www.readbyqxmd.com/read/28448584/sarcopenia-in-patients-with-chronic-kidney-disease-not-yet-on-dialysis-analysis-of-the-prevalence-and-associated-factors
#1
Viviane Angelina de Souza, Dílmerson Oliveira, Sérgio Ribeiro Barbosa, José Otávio do Amaral Corrêa, Fernando Antônio Basile Colugnati, Henrique Novais Mansur, Natália Maria da Silva Fernandes, Marcus Gomes Bastos
INTRODUCTION: Sarcopenia is a chronic condition that is associated with aging and characterized by a reduction of muscle mass, strength, and function. Sarcopenia is prevalent in patients with chronic kidney disease (CKD) and associated with increased morbidity and mortality, as well as cardiovascular complications. OBJECTIVES: To investigate the prevalence of sarcopenia in patients with CKD not yet on dialysis and its correlation with clinical and laboratory variables and inflammatory markers...
2017: PloS One
https://www.readbyqxmd.com/read/28443030/mitochondrial-reactive-oxygen-species-and-kidney-hypoxia-in-the-development-of-diabetic-nephropathy
#2
REVIEW
Tomas A Schiffer, Malou Friederich-Persson
The underlying mechanisms in the development of diabetic nephropathy are currently unclear and likely consist of a series of dynamic events from the early to late stages of the disease. Diabetic nephropathy is currently without curative treatments and it is acknowledged that even the earliest clinical manifestation of nephropathy is preceded by an established morphological renal injury that is in turn preceded by functional and metabolic alterations. An early manifestation of the diabetic kidney is the development of kidney hypoxia that has been acknowledged as a common pathway to nephropathy...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/28439468/a-link-between-central-kynurenine-metabolism-and-bone-strength-in-rats-with-chronic-kidney-disease
#3
Bartlomiej Kalaska, Krystyna Pawlak, Ewa Oksztulska-Kolanek, Tomasz Domaniewski, Beata Znorko, Malgorzata Karbowska, Aleksandra Citkowska, Joanna Rogalska, Alicja Roszczenko, Malgorzata M Brzoska, Dariusz Pawlak
BACKGROUND: Disturbances in mineral and bone metabolism represent one of the most complex complications of chronic kidney disease (CKD). Serotonin, a monoamine synthesized from tryptophan, may play a potential role in bone metabolism. Brain-derived serotonin exerts a positive effect on the bone structure by limiting bone resorption and enhancing bone formation. Tryptophan is the precursor not only to the serotonin but also and primarily to kynurenine metabolites. The ultimate aim of the present study was to determine the association between central kynurenine metabolism and biomechanical as well as geometrical properties of bone in the experimental model of the early stage of CKD...
2017: PeerJ
https://www.readbyqxmd.com/read/28434209/urine-clusterin-apolipoprotein-j-is-linked-to-tubular-damage-and-renal-outcomes-in-patients-with-type-2-diabetes-mellitus
#4
Sang Soo Kim, Sang Heon Song, Jong Ho Kim, Yun Kyung Jeon, Bo Hyun Kim, Min-Cheol Kang, Sung Wan Chun, Soo Hyun Hong, Michelle Chung, Yong Ki Kim, In Joo Kim, Young-Bum Kim
OBJECTIVE: The objective of this study was to evaluate the association of urine clusterin/apolipoprotein J (Apo J) with the development and/or progression of diabetic kidney disease (DKD) in type 2 diabetes. MATERIALS AND METHODS: 159 type 2 diabetic patients and 20 non-diabetic subjects with estimated glomerular filtration rate (eGFR) ≥60 mL/min/1.73 m(2) were enrolled. The baseline values of urine clusterin and tubular damage markers were measured. The primary outcome was the annual decline rate in eGFR and secondary outcomes were the development of chronic kidney disease (CKD) stage 3 or greater and the persistence/progression of albuminuria...
April 23, 2017: Clinical Endocrinology
https://www.readbyqxmd.com/read/28427351/proteinuria-and-baseline-renal-function-predict-mortality-and-renal-outcomes-after-sirolimus-therapy-in-liver-transplantation-recipients
#5
Lung-Chih Li, Chien-Ning Hsu, Chih-Che Lin, Yu-Fan Cheng, Tsung-Hui Hu, Ding-Wei Chen, Chih-Hsiung Lee, Toshiaki Nakano, Chao-Long Chen
BACKGROUND: Chronic kidney disease is a significant complication after liver transplantation (LT), but the role of pre-existing renal insufficiency and proteinuria remains unclear among LT recipients receiving sirolimus. METHODS: We assessed the effects of proteinuria and baseline renal function on long-term renal and survival outcomes among 576 LT recipients who received SRL in a medical center between 2005 and 2014. Renal outcomes were the incidences of >50% reduction in their baseline estimated glomerular filtration rate and end stage kidney disease requiring renal replacement therapy...
April 20, 2017: BMC Gastroenterology
https://www.readbyqxmd.com/read/28421553/microwave-ablation-of-malignant-renal-tumours-intermediate-term-results-and-usefulness-of-renal-and-mrenal-scores-for-predicting-outcomes-and-complications
#6
Anna Maria Ierardi, Alessio Puliti, Salvatore Alessio Angileri, Mario Petrillo, Ejona Duka, Chiara Floridi, Michela Lecchi, Gianpaolo Carrafiello
The aim of this study was to evaluate intermediate-term results after microwave ablation (MWA) of renal tumours and determine the association of RENAL and modified RENAL (mRENAL) scores with oncological outcomes and complications. In May 2008-September 2014, 58 patients affected by early-stage RCC (renal cell carcinoma; T1a or T1b) were judged unsuitable for surgery and treated with percutaneous MWA. Follow-up was performed with contrast-enhanced computed tomography at 1, 3, 6, 12 and 24 months after the procedure...
May 2017: Medical Oncology
https://www.readbyqxmd.com/read/28419560/fibroblast-growth-factor-23-concentration-in-dogs-with-chronic-kidney-disease
#7
L M Harjes, V J Parker, K Dembek, G S Young, L H Giovaninni, M M Kogika, D J Chew, R E Toribio
BACKGROUND: Chronic kidney disease (CKD) is associated with hyperphosphatemia, decreased vitamin D metabolite concentrations, and hyperparathyroidism. This syndrome is known as CKD-mineral bone disorder (CKD-MBD). Recently, it has been shown that an increase in fibroblast growth factor-23 (FGF-23) concentration is an early biomarker of CKD in people. It is an independent risk factor for both progression of renal disease and survival time in humans and cats with CKD. Information about FGF-23 in healthy dogs and those with CKD is lacking...
April 17, 2017: Journal of Veterinary Internal Medicine
https://www.readbyqxmd.com/read/28419150/disparities-in-dialysis-allocation-an-audit-from-the-new-south-africa
#8
Kajiru G Kilonzo, Erika S W Jones, Ikechi G Okpechi, Nicola Wearne, Zunaid Barday, Charles R Swanepoel, Karen Yeates, Brian L Rayner
End Stage Kidney Disease (ESKD) is a public health problem with an enormous economic burden. In resource limited settings management of ESKD is often rationed. Racial and socio-economic inequalities in selecting candidates have been previously documented in South Africa. New guidelines for dialysis developed in the Western Cape have focused on prioritizing treatment. With this in mind we aimed at exploring whether the new guidelines would improve inequalities previously documented. A retrospective study of patients presented to the selection committee was conducted at Groote Schuur Hospital...
2017: PloS One
https://www.readbyqxmd.com/read/28418422/a-disease-model-of-diabetic-nephropathy-in-a-glomerulus-on-a-chip-microdevice
#9
Li Wang, Tingting Tao, Wentao Su, Hao Yu, Yue Yu, Jianhua Qin
Diabetic nephropathy is a major chronic renal complication of diabetes mellitus, and is the leading cause of end-stage kidney diseases. Establishing a disease model of diabetic nephropathy in vitro can accelerate the understanding of its mechanisms and pharmaceutical development. We provide the proof-of-principle for using a glomerulus-on-a-chip microdevice that reconstitutes organ-level kidney functions to create a human disease model of early stage diabetic nephropathy on chip. The microfluidic device, which recapitulates the glomerular microenvironment, consists of parallel channels lined by isolated primary glomerular microtissues that experience fluid flow to mimic the glomerular filtration barrier (GFB), including glomerular endothelial cells, 3D basement membrane and podocytes...
April 18, 2017: Lab on a Chip
https://www.readbyqxmd.com/read/28416741/relaxin-abrogates-renal-interstitial-fibrosis-by-regulating-macrophage-polarization-via-inhibition-of-toll-like-receptor-4-signaling
#10
Lei Chen, Ming-Lei Sha, Deng Li, Yi-Ping Zhu, Xing-Jie Wang, Chen-Yi Jiang, Shu-Jie Xia, Yi Shao
Renal fibrosis is a common feature of chronic kidney disease (CKD). To inhibit the CKD process, it is important to prevent renal fibrosis, though CKD remains incurable. Renal fibrosis can be inhibited by relaxin in several experimental models, but the mechanism of relaxin for antifibrotic potential is still not clear. And here we have studied the role of relaxin in macrophage polarization and renal inflammation after unilateral ureteral obstruction (UUO). Our results show that relaxin can downregulate the Toll-like receptor (TLR) 4 signaling, shift macrophage polarization toward the M2 phenotype and ameliorat renal fibrosis in the early stages of UUO...
March 28, 2017: Oncotarget
https://www.readbyqxmd.com/read/28414758/early-dialysis-initiation-does-not-improve-clinical-outcomes-in-elderly-end-stage-renal-disease-patients-a-multicenter-prospective-cohort-study
#11
MULTICENTER STUDY
Jae Yoon Park, Kyung Don Yoo, Yong Chul Kim, Dong Ki Kim, Kwon Wook Joo, Shin-Wook Kang, Chul Woo Yang, Nam-Ho Kim, Yong-Lim Kim, Chun-Soo Lim, Yon Su Kim, Jung Pyo Lee
BACKGROUND: The optimal timing for initiating dialysis in end-stage renal disease (ESRD) is controversial, especially in the elderly. METHODS: 665 patients ≥65 years old who began dialysis from August 2008 to February 2015 were prospectively enrolled in the Clinical Research Center for End-Stage Renal Disease cohort study. Participants were divided into 2 groups based on the median estimated glomerular filtration rate at the initiation of dialysis. Propensity score matching (PSM) was used to compare the overall survival rate, cardiovascular events, Kidney Disease Quality of Life Short Form 36 (KDQOL-36) results, Karnofsky performance scale values, Beck's depression inventory values, and subjective global assessments...
2017: PloS One
https://www.readbyqxmd.com/read/28413960/circulating-ace2-in-cardiovascular-and-kidney-diseases
#12
Lidia Anguiano Gómez, Marta Riera Oliva, Julio Pascual Santos, María José Soler
Angiotensin converting enzyme(ACE) 2 is a homologue of ACE that catalyzes the conversion of Angiotensin(Ang) II into Ang1-7, which induces vasodilation, anti-fibrotic, anti-proliferative and anti-inflammatory effects. Given that ACE2 counterbalances the effects of Ang II, it has been proposed as a biomarker in kidney disease patients. Circulating ACE2 has been studied in human and experimental studies under physiological and pathological conditions and different techniques have been assessed to determine its enzymatic activity...
April 14, 2017: Current Medicinal Chemistry
https://www.readbyqxmd.com/read/28412129/acute-kidney-injury-after-burn
#13
REVIEW
Audra Clark, Javier A Neyra, Tarik Madni, Jonathan Imran, Herb Phelan, Brett Arnoldo, Steven E Wolf
Acute kidney injury (AKI) is a common and morbid complication after severe burn, with an incidence and mortality as high as 30% and 80%, respectively. AKI is a broad clinical condition with many etiologies, which makes definition and diagnosis challenging. The most recent Kidney Disease: Improving Global Outcomes (KDIGO) consensus guidelines defined stage and severity of AKI based on changes of serum creatinine and urine output (UOP) across time. Burn-related kidney injury is typically classified as early (0-3days after injury) or late (4-14days after injury)...
April 12, 2017: Burns: Journal of the International Society for Burn Injuries
https://www.readbyqxmd.com/read/28411256/epigenetically-induced-ectopic-expression-of-uncx-impairs-the-proliferation-and-differentiation-of-myeloid-cells
#14
Giulia Daniele, Giogia Simonetti, Caterina Fusilli, Ilaria Iacobucci, Angelo Lonoce, Antonio Palazzo, Mariana Lomiento, Fabiana Mammoli, Rene' Massimiliano Marsano, Elena Marasco, Vilma Mantovani, Hilmar Quentmeier, Hans G Drexler, Jie Ding, Orazio Palumbo, Massimo Carella, Niroshan Nadarajah, Margherita Perricone, Emanuela Ottaviani, Carmen Baldazzi, Nicoletta Testoni, Cristina Papayannidis, Sergio Ferrari, Tommaso Mazza, Giovanni Martinelli, Clelia Tiziana Storlazzi
We here describe a leukemogenic role of the homeobox gene UNCX, activated by epigenetic modifications in acute myeloid leukemia. We found the ectopic activation of UNCX in a leukemia patient harboring a t(7;10)(p22;p14) translocation, in 22/61 of additional cases [a total of 23 positive patients out of 62 (37.1%)], and in 6/75 (8%) of acute myeloid leukemia cell lines. UNCX is embedded within a low-methylation region (canyon) and encodes for a transcription factor involved in somitogenesis and neurogenesis, with specific expression in the eye, brain, and kidney...
April 14, 2017: Haematologica
https://www.readbyqxmd.com/read/28411025/klotho-down-regulates-egr-1-by-inhibiting-tgf-%C3%AE-1-smad3-signaling-in-high-glucose-treated-human-mesangial-cells
#15
Yang Li, Fang Hu, Meng Xue, Yi-Jie Jia, Zong-Ji Zheng, Ling Wang, Mei-Ping Guan, Yao-Ming Xue
Diabetic kidney disease (DKD) has become the leading cause of end-stage renal disease worldwide and is associated with glomerular mesangial cell (MC) proliferation and excessive extracellular matrix (ECM) production. Klotho can attenuate renal fibrosis in part by inhibiting TGF-β1/Smad3 signaling in DKD. Early growth response factor 1 (Egr-1) has been shown to play a key role in renal fibrosis in part by facilitating the formation of a positive feedback loop involving TGF-β1. However, whether Klotho down-regulates Egr-1 by inhibiting TGF-β1/Smad3 signaling in DKD is unclear...
April 11, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28410652/timing-of-dialysis-initiation-what-has-changed-since-ideal
#16
REVIEW
Matthew B Rivara, Rajnish Mehrotra
The optimal timing of initiation of maintenance dialysis in patients with end-stage renal disease currently is unknown. This transition period is one of exceptionally high vulnerability for patients; annual mortality rates in stage 5 chronic kidney disease through the first year of maintenance dialysis exceed 20%. The results of the Initiating Dialysis Early and Late (IDEAL) study, a randomized trial that tested the impact of dialysis initiation at two different levels of kidney function on outcomes, showed no significant difference in survival or other patient-centered outcomes between treatment groups...
March 2017: Seminars in Nephrology
https://www.readbyqxmd.com/read/28410651/advance-care-planning-for-patients-approaching-end-stage-kidney-disease
#17
REVIEW
Rebecca J Schmidt
Patients with chronic kidney disease typically suffer a cascade of comorbid conditions, the magnitude of which have formidable impact on advance care planning (ACP). Complex health care decisions are complicated further by contextual issues that may change over time. A dynamic and evolving process, ACP ideally begins early in the continuum of chronic kidney disease, long before end-stage kidney disease is reached. Planning ahead for care is preparatory to making decisions about kidney replacement therapy and can make for a smooth transition in addition to preventing the start of dialysis by default...
March 2017: Seminars in Nephrology
https://www.readbyqxmd.com/read/28410645/epidemiology-and-risk-factors-for-early-mortality-after-dialysis-initiation
#18
REVIEW
Robert N Foley
Confronted with the decision to initiate dialysis, patients and caregivers often seek information about how expected survival chances evolve, both initially and afterward, providing the patient survives beyond arbitrary periods of time. Large registry data, used to examine these issues, may be subject to early ascertainment bias, such as those accruing from nonregistration of with end-stage kidney disease who die shortly after dialysis initiation and inclusion of patients with acute kidney injury with slower than typical recovery rates...
March 2017: Seminars in Nephrology
https://www.readbyqxmd.com/read/28409285/urinary-calprotectin-kidney-injury-molecule-1-and-neutrophil-gelatinase-associated-lipocalin-for-the-prediction-of-adverse-outcome-in-pediatric-acute-kidney-injury
#19
Jens H Westhoff, Felix S Seibert, Sina Waldherr, Frederic Bauer, Burkhard Tönshoff, Alexander Fichtner, Timm H Westhoff
Early identification of patients with acute kidney injury (AKI) being at high risk for adverse outcome can influence medical treatment. This study compares urinary calprotectin, kidney injury molecule-1 (KIM-1), and neutrophil gelatinase-associated lipocalin (NGAL) for their performance in predicting mortality and need for renal replacement therapy (RRT) in pediatric AKI patients. Urinary biomarker concentrations were assessed prospectively in 141 subjects aged 0-18 years including 55 patients with established AKI according to pediatric Risk, Injury, Failure, Loss, and End-stage kidney disease (pRIFLE) criteria, 27 patients without AKI, and 59 healthy children...
April 14, 2017: European Journal of Pediatrics
https://www.readbyqxmd.com/read/28407041/effects-of-low-muscle-mass-on-albuminuria-and-chronic-kidney-disease-in-patients-with-type-2-diabetes-the-korean-sarcopenic-obesity-study-ksos
#20
Hye Soo Chung, Soon Young Hwang, Ju Hee Choi, Hyun Jung Lee, Hye Jin Yoo, Ji-A Seo, Sin Gon Kim, Nan Hee Kim, Dong Seop Choi, Sei Hyun Baik, Kyung Mook Choi
Background: Previous studies have shown that chronic kidney disease (CKD) is associated with accelerated loss of skeletal muscle in patients on dialysis. However, the relationships of sarcopenia with albuminuria and early-stage CKD in patients with type 2 diabetes have not been examined. Methods: We analyzed diabetic subgroup data from 409 patients with type 2 diabetes from the Korean Sarcopenic Obesity Study (KSOS). Sarcopenia was defined as a skeletal muscle mass index (SMI; SMI [%] = total skeletal muscle mass [kg]/weight [kg] × 100) less than 2 SD below the sex-specific mean for a younger reference group...
April 12, 2017: Journals of Gerontology. Series A, Biological Sciences and Medical Sciences
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