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https://www.readbyqxmd.com/read/29339549/apol1-genotype-and-renal-function-of-black-living-donors
#1
Mona D Doshi, Mariella Ortigosa-Goggins, Amit X Garg, Lihua Li, Emilio D Poggio, Cheryl A Winkler, Jeffrey B Kopp
Black living kidney donors are at higher risk of developing kidney disease than white donors. We examined the effect of the APOL1 high-risk genotype on postdonation renal function in black living kidney donors and evaluated whether this genotype alters the association between donation and donor outcome. We grouped 136 black living kidney donors as APOL1 high-risk (two risk alleles; n=19; 14%) or low-risk (one or zero risk alleles; n=117; 86%) genotype. Predonation characteristics were similar between groups, except for lower mean±SD baseline eGFR (CKD-EPI equation) in donors with the APOL1 high-risk genotype (98±17 versus 108±20 ml/min per 1...
January 16, 2018: Journal of the American Society of Nephrology: JASN
https://www.readbyqxmd.com/read/29335242/effect-of-bariatric-surgery-on-ckd-risk
#2
Allon N Friedman, Abdus S Wahed, Junyao Wang, Anita P Courcoulas, Gregory Dakin, Marcelo W Hinojosa, Paul L Kimmel, James E Mitchell, Alfons Pomp, Walter J Pories, Jonathan Q Purnell, Carel le Roux, Konstantinos Spaniolas, Kristine J Steffen, Richard Thirlby, Bruce Wolfe
Obesity is linked to the development and progression of CKD, but whether bariatric surgery protects against CKD is poorly understood. We, therefore, examined whether bariatric surgery influences CKD risk. The study included 2144 adults who underwent bariatric surgery from March of 2006 to April of 2009 and participated in the Longitudinal Assessment of Bariatric Surgery-2 Study cohort. The primary outcome was CKD risk categories as assessed by the Kidney Disease Improving Global Outcomes (KDIGO) consortium criteria using a combination of eGFR and albuminuria...
January 15, 2018: Journal of the American Society of Nephrology: JASN
https://www.readbyqxmd.com/read/29333147/novel-filtration-markers-for-gfr-estimation
#3
Amy B Karger, Lesley A Inker, Josef Coresh, Andrew S Levey, John H Eckfeldt
Creatinine-based glomerular filtration rate estimation (eGFRcr) has been improved and refined since the 1970s through both the Modification of Diet in Renal Disease (MDRD) Study equation in 1999 and the CKD Epidemiology Collaboration (CKD-EPI) equation in 2009, with current clinical practice dependent primarily on eGFR for accurate assessment of GFR. However, researchers and clinicians have recognized limitations of relying on creatinine as the only filtration marker, which can lead to inaccurate GFR estimates in certain populations due to the influence of non-GFR determinants of serum or plasma creatinine...
December 2017: EJIFCC
https://www.readbyqxmd.com/read/29323708/microrna501-5p-induces-p53-proteasome-degradation-through-the-activation-of-the-mtor-mdm2-pathway-in-adpkd-cells
#4
Lucia de Stephanis, Alessandra Mangolini, Miriam Servello, Peter C Harris, Lucio Dell'Atti, Paolo Pinton, Gianluca Aguiari
Cell proliferation and apoptosis are typical hallmarks of autosomal dominant polycystic kidney disease (ADPKD) and cause the development of kidney cysts that lead to end-stage renal disease (ESRD). Many factors, impaired by polycystin complex loss of function, may promote these biological processes, including cAMP, mTOR and EGFR signalling pathways. In addition, microRNAs (miRs) may also regulate the ADPKD related signalling network and their dysregulation contributes to disease progression. However, the role of miRs in ADPKD pathogenesis has not been fully understood, but also the function of p53 is quite obscure, especially its regulatory contribution on cell proliferation and apoptosis...
January 11, 2018: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/29319493/cyclosporine-for-the-treatment-of-lupus-nephritis-in-patients-with-systemic-lupus-erythematosus
#5
Tzu-Han Yang, Tsai-Hung Wu, Yuh-Lih Chang, Hsien-Tzung Liao, Chia-Chen Hsu, Chang-Youh Tsai, Yueh-Ching Chou
AIMS: This study aimed to assess retrospectively the efficacy and safety of cyclosporin A (CsA) therapy in patients with lupus nephritis (LN). MATERIALS AND METHODS: From September 2005 to August 2015, eligible patients with LN undergoing CsA treatment were enrolled in the study. Medical charts as well as clinical and laboratory data were retrospectively reviewed. The data were evaluated at 0, 1, 6, 12 month(s) after the start of CsA. Serum creatinine (SCr), estimated glomerular filtration rate (eGFR), urine protein/creatinine ratio (uPCR), complement components C3, C4, and anti-double stranded DNA antibody (anti-dsDNA) titers were recorded...
January 10, 2018: Clinical Nephrology
https://www.readbyqxmd.com/read/29311069/meropenem-vaborbactam-single-dose-pharmacokinetics-and-safety-in-subjects-with-chronic-renal-impairment
#6
Christopher M Rubino, Sujata M Bhavnani, Jeffery S Loutit, Brooke Lohse, Michael N Dudley, David C Griffith
Vaborbactam is a member of a new class of β-lactamase inhibitors with inhibitory activity against serine carbapenemases (e.g. Klebsiella pneumoniae carbapenemase) that has been developed in combination with meropenem. Pharmacokinetics of the combination were evaluated in 41 subjects with chronic renal impairment in a Phase 1, open-label, single-dose study. Subjects were assigned to one of five groups based on renal function: normal (creatinine clearance ≥90 mL/min), mild (estimated glomerular filtration rate [eGFR] 60-89 mL/min/1...
January 8, 2018: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/29281114/serum-albumin-concentration-and-risk-of-end-stage-renal-disease-the-regards-study
#7
Carl P Walther, Orlando M Gutiérrez, Mary Cushman, Suzanne E Judd, Joshua Lang, William McClellan, Paul Muntner, Mark J Sarnak, Michael G Shlipak, David G Warnock, Ronit Katz, Joachim H Ix
Background: Serum albumin concentration is a commonly available biomarker with prognostic value in many disease states. It is uncertain whether serum albumin concentrations are associated with incident end-stage renal disease (ESRD) independently of urine albumin-to-creatinine ratio (ACR). Methods: A longitudinal evaluation was performed of a population-based community-living cohort from the Reasons for Geographic and Racial Differences in Stroke (REGARDS) Study...
December 20, 2017: Nephrology, Dialysis, Transplantation
https://www.readbyqxmd.com/read/29225808/symptom-burden-in-patients-with-chronic-kidney-disease-not-requiring-renal-replacement-therapy
#8
Stephanie A Brown, Freya C Tyrer, Amy L Clarke, Laetitia H Lloyd-Davies, Andrew G Stein, Carolyn Tarrant, James O Burton, Alice C Smith
Background: Although evidence shows that patients with end stage renal disease (ESRD) experience a high symptom burden which impacts on quality of life (QoL), less is known about patients with earlier stages of chronic kidney disease (CKD). This study aimed to explore symptom burden and potential contributing factors in patients with CKD Stage 1-5 not requiring renal replacement therapy (RRT). Methods: Patients with CKD Stage 1-5 and not on RRT were asked to report their symptoms using the Leicester Uraemic Symptom Score (LUSS), a questionnaire which assesses the frequency and intrusiveness of 11 symptoms commonly reported by kidney patients...
December 2017: Clinical Kidney Journal
https://www.readbyqxmd.com/read/29212518/effect-of-low-and-high-hdl-c-levels-on-the-prognosis-of-lupus-nephritis-patients-a-prospective-cohort-study
#9
Peiran Yin, Ying Zhou, Bin Li, Lingyao Hong, Wei Chen, Xueqing Yu
BACKGROUND: Few data has been available on the effect of serum HDL-C levels on the prognosis of lupus nephritis (LN) patients. The present study therefore aimed to explore the effect of serum HDL-C levels on LN patients. METHODS: We included 775 patients with follow-up information registered in an LN database between 1 January 2006 and 31 December 2011. The patients were divided into groups with low, intermediate and high HDL-C, according to NCEP ATPIII criteria...
December 6, 2017: Lipids in Health and Disease
https://www.readbyqxmd.com/read/29212234/development-and-validation-of-a-prognostic-nomogram-for-iga-nephropathy
#10
Jian Liu, Shuwei Duan, Pu Chen, Guangyan Cai, Yong Wang, Li Tang, Shuwen Liu, Jianhui Zhou, Di Wu, Wanjun Shen, Xiangmei Chen, Jie Wu
IgA nephropathy (IgAN) shows strong heterogeneity between individuals. IgAN prognosis is associated with pathological lesions and clinical indicators. However, simple tools for evaluating the clinical prognosis remain inadequate. Our objective was to develop an intuitive estimation tool for predicting the IgAN prognosis. 349 patients with IgAN at The Chinese People's Liberation Army General Hospital were retrospectively analyzed from data between 2000 and 2006. A nomogram was developed using COX regression coefficients to predict decline of estimate Glomerular filtration rate (eGFR) ≥ 50% and end-stage renal disease (ESRD)...
November 7, 2017: Oncotarget
https://www.readbyqxmd.com/read/29208626/the-effect-of-extended-release-niacin-on-markers-of-mineral-metabolism-in-ckd
#11
Rakesh Malhotra, Ronit Katz, Andrew Hoofnagle, Andrew Bostom, Dena E Rifkin, Ruth Mcbride, Jeffrey Probstfield, Geoffrey Block, Joachim H Ix
BACKGROUND AND OBJECTIVES: Niacin downregulates intestinal sodium-dependent phosphate transporter 2b expression and reduces intestinal phosphate transport. Short-term studies have suggested that niacin lowers serum phosphate concentrations in patients with CKD and ESRD. However, the long-term effects of niacin on serum phosphate and other mineral markers are unknown. DESIGN, SETTING, PARTICIPANTS, & MEASUREMENTS: The Atherothrombosis Intervention in Metabolic Syndrome with Low HDL/High Triglycerides: Impact on Global Health Trial was a randomized, double-blind, placebo-controlled trial testing extended release niacin in persons with prevalent cardiovascular disease...
January 6, 2018: Clinical Journal of the American Society of Nephrology: CJASN
https://www.readbyqxmd.com/read/29194767/evolution-of-lung-and-kidney-allograft-function-in-patients-receiving-kidney-after-lung-transplantation
#12
Nina T Weber, Marco Bonani, Christian Benden, Andreas Schleich, Thomas Fehr, Thomas F Mueller, Macé M Schuurmans
Calcineurin inhibitor (CNI) toxicity leads to ESRD in almost half of long-term survivors after lung transplantation, some of them receiving kidney transplants. Little is known about the outcomes of kidney and lung allograft function following kidney after lung transplantation (KALTPL) in the modern era. We retrospectively analyzed a group of 13 consecutive patients who received a KALTPL with respect to their renal and pulmonary function and immunological evolution over 2 years. We documented a stable evolution of forced expiratory volume in one second (FEV1) after KALTPL in most patients as well as an excellent kidney graft during the 2-year follow-up period...
December 1, 2017: Clinical Transplantation
https://www.readbyqxmd.com/read/29187194/treatment-effects-of-renin-angiotensin-aldosterone-system-blockade-on-kidney-failure-and-mortality-in-chronic-kidney-disease-patients
#13
Phisitt Vejakama, Atiporn Ingsathit, Gareth J McKay, Alexander P Maxwell, Mark McEvoy, John Attia, Ammarin Thakkinstian
BACKGROUND: Chronic kidney disease (CKD) is a leading cause of death before and after onset of end-stage renal disease (ESRD). Knowing treatments that can delay disease progression will lead to reduced mortality. We therefore aimed to estimate the effectiveness of renin angiotensin aldosterone system (RAAS) blockade on CKD progression. METHODS: We conducted a retrospective CKD cohort at Ubon Ratchathani province, Thailand from 1997 to 2011. ESRD was defined as estimated glomerular filtration rate (eGFR) <15 ml/min/1...
November 29, 2017: BMC Nephrology
https://www.readbyqxmd.com/read/29185011/plasma-concentrations-of-8-hydroxy-2-deoxyguanosine-and-risk-of-kidney-disease-and-death-in-individuals-with-type-1-diabetes
#14
Manuel Sanchez, Ronan Roussel, Samy Hadjadj, Abdul Moutairou, Michel Marre, Gilberto Velho, Kamel Mohammedi
AIMS/HYPOTHESIS: Oxidative stress is involved in the pathogenesis of diabetic kidney disease. We evaluated the association between 8-hydroxy-2'-deoxyguanosine (8-OHdG), a marker of DNA oxidative damage, and end-stage renal disease (ESRD) or death in individuals with type 1 diabetes. METHODS: Plasma 8-OHdG concentrations were measured at baseline in participants with type 1 diabetes from GENEDIAB (n = 348) and GENESIS (n = 571) cohorts. A follow-up was conducted in 205 and 499 participants for a mean ± SD duration of 8...
November 28, 2017: Diabetologia
https://www.readbyqxmd.com/read/29181232/machine-learning-to-compare-frequent-medical-problems-of-african-american-and-caucasian-diabetic-kidney-patients
#15
Yong-Mi Kim, Pranay Kathuria, Dursun Delen
Objectives: End-stage renal disease (ESRD), which is primarily a consequence of diabetes mellitus, shows an exemplary health disparity between African American and Caucasian patients in the United States. Because diabetic chronic kidney disease (CKD) patients of these two groups show differences in their medical problems, the markers leading to ESRD are also expected to differ. The purpose of this study was, therefore, to compare their medical complications at various levels of kidney function and to identify markers that can be used to predict ESRD...
October 2017: Healthcare Informatics Research
https://www.readbyqxmd.com/read/29180396/the-umod-locus-insights-into-the-pathogenesis-and-prognosis-of-kidney-disease
#16
Olivier Devuyst, Cristian Pattaro
The identification of genetic factors associated with kidney disease has the potential to provide critical insights into disease mechanisms. Genome-wide association studies have uncovered genomic regions associated with renal function metrics and risk of CKD. UMOD is among the most outstanding loci associated with CKD in the general population, because it has a large effect on eGFR and CKD risk that is consistent across different ethnic groups. The relevance of UMOD for CKD is clear, because the encoded protein, uromodulin (Tamm-Horsfall protein), is exclusively produced by the kidney tubule and has specific biochemical properties that mediate important functions in the kidney and urine...
November 27, 2017: Journal of the American Society of Nephrology: JASN
https://www.readbyqxmd.com/read/29180393/segmental-sclerosis-and-extracapillary-hypercellularity-predict-diabetic-esrd
#17
Amy K Mottl, Adil Gasim, Fernanda Payan Schober, Yichun Hu, Askia K Dunnon, Susan L Hogan, J Charles Jennette
Pathogenetic markers of diabetic kidney disease (DKD) progression to ESRD are lacking. We characterized the prognostic value of histologic findings in DKD for time to ESRD in native kidney specimens from biopsies performed from 1995 to 2011 with diabetic glomerulosclerosis as the only glomerular disease diagnosis (n=109). Biopsy specimens were analyzed according to standard methods, including determination of diabetic nephropathy class, as defined by the Renal Pathology Society. Clinical data were extracted from electronic medical records...
November 27, 2017: Journal of the American Society of Nephrology: JASN
https://www.readbyqxmd.com/read/29167190/an-outcomes-based-definition-of-proteinuria-remission-in-focal-segmental-glomerulosclerosis
#18
Jonathan P Troost, Howard Trachtman, Patrick H Nachman, Matthias Kretzler, Cathie Spino, Radko Komers, Sarah Tuller, Kalyani Perumal, Susan F Massengill, Elaine S Kamil, Gia Oh, David T Selewski, Patrick Gipson, Debbie S Gipson
BACKGROUND AND OBJECTIVES: Proteinuria is used as an indicator of FSGS disease activity, but its use as a clinical trial end point is not universally accepted. The goal of this study was to refine proteinuria definitions associated with long-term kidney survival. DESIGN, SETTING, PARTICIPANTS, & MEASUREMENTS: Data on 466 patients with primary FSGS with proteinuria (urine protein-to-creatinine ratio >1 g/g) were analyzed from five independent cohorts. Proteinuria by months 1, 4, and 8 after study baseline was categorized by conventional definitions of complete (<0...
November 22, 2017: Clinical Journal of the American Society of Nephrology: CJASN
https://www.readbyqxmd.com/read/29155503/relatives-in-silent-kidney-disease-screening-risks-study-a-chinese-cohort-study
#19
Philip Kam-Tao Li, Jack Kit-Chung Ng, Yuk Lun Cheng, Tze Hoi Kwan, Chi Bon Leung, Miu Fong Lau, Koon Shing Choi, Samuel Ka-Shun Fung, Yiu Wing Ho, Siu Ka Mak, Sydney Chi-Wai Tang, Kin Shing Wong, David Yong, Sing Leung Lui
AIM: Family members of patients with end-stage renal disease (ESRD) have higher risk for chronic kidney disease (CKD). Limited study has examined the risk of developing CKD in relatives of patients in earlier stages of CKD. METHODS: From January 2008 to June 2009, the Hong Kong Society of Nephrology studied first-degree relatives of stage 1-5 CKD patients from 11 local hospitals. A total of 844 relatives of 466 index CKD patients (stages 1-2: 29.6%; stage 3: 16...
December 2017: Nephrology
https://www.readbyqxmd.com/read/29142971/total-kidney-volume-is-a-prognostic-biomarker-of-renal-function-decline-and-progression-to-end-stage-renal-disease-in%C3%A2-patients-with-autosomal-dominant-polycystic-kidney-disease
#20
Ronald D Perrone, Mohamad-Samer Mouksassi, Klaus Romero, Frank S Czerwiec, Arlene B Chapman, Berenice Y Gitomer, Vicente E Torres, Dana C Miskulin, Steve Broadbent, Jean F Marier
Introduction: Autosomal dominant polycystic kidney disease is the most common hereditary kidney disease. TKV is a promising imaging biomarker for tracking and predicting the natural history of autosomal dominant polycystic kidney disease. The prognostic value of TKV was evaluated, in combination with age and eGFR, for the outcomes of 30% decline in eGFR and progression to ESRD. Observational data including 2355 patients with TKV measurements were available. Methods: Multivariable Cox models were developed to assess the prognostic value of age, TKV, height-adjusted TKV, eGFR, sex, race, and genotype for the probability of a 30% decline in eGFR or ESRD...
May 2017: KI Reports
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