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Bienaimé F, Muorah M, Metzger M, Broeuilh M, Houiller P, Flamant M, Haymann JP, Vonderscher J, Mizrahi J, Friedlander G, Stengel B, Terzi F. Combining robust urine biomarkers to assess chronic kidney disease progression. EBioMedicine 2023; 93:104635. [PMID: 37285616 DOI: 10.1016/j.ebiom.2023.104635] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2022] [Revised: 04/21/2023] [Accepted: 05/15/2023] [Indexed: 06/09/2023] Open
Abstract
BACKGROUND Urinary biomarkers may improve the prediction of chronic kidney disease (CKD) progression. Yet, data reporting the applicability of most commercial biomarker assays to the detection of their target analyte in urine together with an evaluation of their predictive performance are scarce. METHODS 30 commercial assays (ELISA) were tested for their ability to quantify the target analyte in urine using strict (FDA-approved) validation criteria. In an exploratory analysis, LASSO (Least Absolute Shrinkage and Selection Operator) logistic regression analysis was used to identify potentially complementary biomarkers predicting fast CKD progression, determined as the 51CrEDTA clearance-based measured glomerular filtration rate (mGFR) decline (>10% per year) in a subsample of 229 CKD patients (mean age, 61 years; 66% men; baseline mGFR, 38 mL/min) from the NephroTest prospective cohort. FINDINGS Among the 30 assays, directed against 24 candidate biomarkers, encompassing different pathophysiological mechanisms of CKD progression, 16 assays fulfilled the FDA-approved criteria. LASSO logistic regressions identified a combination of five biomarkers including CCL2, EGF, KIM1, NGAL, and TGF-α that improved the prediction of fast mGFR decline compared to the kidney failure risk equation variables alone: age, gender, mGFR, and albuminuria. Mean area under the curves (AUC) estimated from 100 re-samples was higher in the model with than without these biomarkers, 0.722 (95% confidence interval 0.652-0.795) vs. 0.682 (0.614-0.748), respectively. Fully-adjusted odds-ratios (95% confidence interval) for fast progression were 1.87 (1.22, 2.98), 1.86 (1.23, 2.89), 0.43 (0.25, 0.70), 1.10 (0.71, 1.83), 0.55 (0.33, 0.89), and 2.99 (1.89, 5.01) for albumin, CCL2, EGF, KIM1, NGAL, and TGF-α, respectively. INTERPRETATION This study provides a rigorous validation of multiple assays for relevant urinary biomarkers of CKD progression which combination may improve the prediction of CKD progression. FUNDING This work was supported by Institut National de la Santé et de la Recherche Médicale, Université de Paris, Assistance Publique Hôpitaux de Paris, Agence Nationale de la Recherche, MSDAVENIR, Pharma Research and Early Development Roche Laboratories (Basel, Switzerland), and Institut Roche de Recherche et Médecine Translationnelle (Paris, France).
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Affiliation(s)
- Frank Bienaimé
- Département « Croissance et Signalisation », Institut Necker Enfants Malades, INSERM U1151, CNRS UMR 8253, Université de Paris Cité, Paris, France; Service d'Explorations Fonctionnelles, Hôpital Necker Enfants Malades, Assistance Publique-Hôpitaux de Paris, Paris, France.
| | - Mordi Muorah
- Département « Croissance et Signalisation », Institut Necker Enfants Malades, INSERM U1151, CNRS UMR 8253, Université de Paris Cité, Paris, France
| | - Marie Metzger
- CESP, Centre de Recherche en Epidémiologie et Santé des Populations, INSERM U1018, Université Paris-Saclay, Villejuif, France
| | - Melanie Broeuilh
- Département « Croissance et Signalisation », Institut Necker Enfants Malades, INSERM U1151, CNRS UMR 8253, Université de Paris Cité, Paris, France
| | - Pascal Houiller
- Service d'Explorations Fonctionnelles, Hôpital Européen George Pompidou, Assistance Publique-Hôpitaux de Paris, Paris, France
| | - Martin Flamant
- Service d'Explorations Fonctionnelles, Hôpital Bichat, Assistance Publique-Hôpitaux de Paris, Paris, France
| | - Jean-Philippe Haymann
- Service d'Explorations Fonctionnelles, Hôpital Tenon, Assistance Publique-Hôpitaux de Paris, Paris, France
| | - Jacky Vonderscher
- Pharma Research and Early Development, Hoffmann-La-Roche Ltd, Basel, France
| | - Jacques Mizrahi
- Pharma Research and Early Development, Hoffmann-La-Roche Ltd, Basel, France
| | - Gérard Friedlander
- Département « Croissance et Signalisation », Institut Necker Enfants Malades, INSERM U1151, CNRS UMR 8253, Université de Paris Cité, Paris, France
| | - Bénédicte Stengel
- CESP, Centre de Recherche en Epidémiologie et Santé des Populations, INSERM U1018, Université Paris-Saclay, Villejuif, France
| | - Fabiola Terzi
- Département « Croissance et Signalisation », Institut Necker Enfants Malades, INSERM U1151, CNRS UMR 8253, Université de Paris Cité, Paris, France.
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Amatruda JG, Katz R, Sarnak MJ, Gutierrez OM, Greenberg JH, Cushman M, Waikar S, Parikh CR, Schelling JR, Jogalekar MP, Bonventre JV, Vasan RS, Kimmel PL, Shlipak MG, Ix JH. Biomarkers of Kidney Tubule Disease and Risk of End-Stage Kidney Disease in Persons With Diabetes and CKD. Kidney Int Rep 2022; 7:1514-1523. [PMID: 35812302 PMCID: PMC9263389 DOI: 10.1016/j.ekir.2022.03.033] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2021] [Revised: 03/18/2022] [Accepted: 03/28/2022] [Indexed: 12/21/2022] Open
Abstract
Introduction Tubulointerstitial damage in diabetes and chronic kidney disease (CKD) is poorly captured by estimated glomerular filtration rate (eGFR) and albuminuria. Urine biomarkers of kidney health may better elucidate disease progression in persons with diabetes and CKD. Methods Per case-cohort design, we randomly selected a subcohort of 560 study participants of the REasons for Geographic And Racial Differences in Stroke (REGARDS) study from 1092 adults with diabetes and baseline eGFR <60 ml/min per 1.73 m2 and registered a total of 161 end-stage kidney disease (ESKD) cases (n = 93 from the subcohort; n = 68 from outside the subcohort) during 4.3 ± 2.7 years mean follow-up. We measured urine biomarkers of kidney tubule injury (kidney injury molecule-1 [KIM-1]), inflammation and fibrosis (monocyte chemoattractant protein-1 [MCP-1]), repair (chitinase-3-like protein 1 [YKL-40]), and tubule function, including reabsorption (alpha-1-microglobulin [α1m]) and synthetic capacity (epidermal growth factor [EGF] and uromodulin [UMOD]). Weighted Cox regression models estimated ESKD risk adjusting for demographics, ESKD risk factors, and baseline eGFR and urine albumin. Least absolute shrinkage and selection operator (LASSO) regression identified a subset of biomarkers most strongly associated with ESKD. Results At baseline, subcohort participants had mean age of 70 ± 9 years, mean eGFR of 40 ±13 ml/min per 1.73 m2, and median urine albumin-to-creatinine ratio of 33 (interquartile range 10-213) mg/g. Adjusting for baseline eGFR and albuminuria, each 2-fold higher urine KIM-1 (hazard ratio = 1.43 [95% CI: 1.17-1.75]), α1m (hazard ratio = 1.47 [1.19-1.82]), and MCP-1 (hazard ratio = 1.27 [1.06-1.53]) were independently associated with ESKD. LASSO retained KIM-1 and α1m for associations with ESKD. Conclusion Among adults with diabetes and eGFR <60 ml/min per 1.73 m2, higher urine KIM-1, α1m, and MCP-1 are independently associated with incident ESKD, providing insight into kidney disease progression in persons with diabetes and CKD.
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Affiliation(s)
- Jonathan G. Amatruda
- Division of Nephrology, Department of Medicine, University of California San Francisco, San Francisco, California, USA
- Kidney Health Research Collaborative, San Francisco VA Medical Center and University of California, San Francisco, San Francisco, California, USA
| | - Ronit Katz
- Department of Obstetrics and Gynecology, University of Washington, Seattle, Washington, USA
| | - Mark J. Sarnak
- Division of Nephrology, Department of Medicine, Tufts Medical Center, Boston, Massachusetts, USA
| | - Orlando M. Gutierrez
- Department of Medicine, University of Alabama at Birmingham, Birmingham, Alabama, USA
- Department of Epidemiology, University of Alabama at Birmingham, Birmingham, Alabama, USA
| | - Jason H. Greenberg
- Section of Nephrology, Department of Pediatrics, Clinical and Translational Research Accelerator, Yale University School of Medicine, New Haven, Connecticut, USA
| | - Mary Cushman
- Department of Medicine, Larner College of Medicine, University of Vermont, Burlington, Vermont, USA
| | - Sushrut Waikar
- Section of Nephrology, Department of Medicine, Boston Medical Center, Boston, Massachusetts, USA
| | - Chirag R. Parikh
- Division of Nephrology, Department of Medicine, Johns Hopkins University, Baltimore, Maryland, USA
| | - Jeffrey R. Schelling
- Division of Nephrology, Department of Internal Medicine, MetroHealth System, Cleveland, Ohio, USA
- Department of Physiology and Biophysics, Case Western Reserve University School of Medicine, Cleveland, Ohio
| | - Manasi P. Jogalekar
- Division of Renal Medicine, Department of Medicine, Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | - Joseph V. Bonventre
- Division of Renal Medicine, Department of Medicine, Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | - Ramachandran S. Vasan
- Department of Medicine, Boston University School of Medicine, Boston, Massachusetts, USA
- Department of Epidemiology, Boston University School of Public Health, Boston, Massachusetts, USA
| | - Paul L. Kimmel
- National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health, Bethesda, Maryland, USA
| | - Michael G. Shlipak
- Kidney Health Research Collaborative, San Francisco VA Medical Center and University of California, San Francisco, San Francisco, California, USA
- Department of Medicine, San Francisco VA Health Care System, San Francisco, California, USA
| | - Joachim H. Ix
- Division of Nephrology and Hypertension, Department of Medicine, University of California San Diego, San Diego, California, USA
- Nephrology Section, Veterans Affairs San Diego Healthcare System, San Diego, California, USA
| | - CKD Biomarkers Consortium
- Division of Nephrology, Department of Medicine, University of California San Francisco, San Francisco, California, USA
- Kidney Health Research Collaborative, San Francisco VA Medical Center and University of California, San Francisco, San Francisco, California, USA
- Department of Obstetrics and Gynecology, University of Washington, Seattle, Washington, USA
- Division of Nephrology, Department of Medicine, Tufts Medical Center, Boston, Massachusetts, USA
- Department of Medicine, University of Alabama at Birmingham, Birmingham, Alabama, USA
- Department of Epidemiology, University of Alabama at Birmingham, Birmingham, Alabama, USA
- Section of Nephrology, Department of Pediatrics, Clinical and Translational Research Accelerator, Yale University School of Medicine, New Haven, Connecticut, USA
- Department of Medicine, Larner College of Medicine, University of Vermont, Burlington, Vermont, USA
- Section of Nephrology, Department of Medicine, Boston Medical Center, Boston, Massachusetts, USA
- Division of Nephrology, Department of Medicine, Johns Hopkins University, Baltimore, Maryland, USA
- Division of Nephrology, Department of Internal Medicine, MetroHealth System, Cleveland, Ohio, USA
- Department of Physiology and Biophysics, Case Western Reserve University School of Medicine, Cleveland, Ohio
- Division of Renal Medicine, Department of Medicine, Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts, USA
- Department of Medicine, Boston University School of Medicine, Boston, Massachusetts, USA
- Department of Epidemiology, Boston University School of Public Health, Boston, Massachusetts, USA
- National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health, Bethesda, Maryland, USA
- Department of Medicine, San Francisco VA Health Care System, San Francisco, California, USA
- Division of Nephrology and Hypertension, Department of Medicine, University of California San Diego, San Diego, California, USA
- Nephrology Section, Veterans Affairs San Diego Healthcare System, San Diego, California, USA
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Kidney Function and Aortic Stiffness, Pulsatility, and Endothelial Function in African Americans: The Jackson Heart Study. Kidney Med 2021; 3:702-711.e1. [PMID: 34693252 PMCID: PMC8515070 DOI: 10.1016/j.xkme.2021.03.018] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023] Open
Abstract
Rationale & Objective The relation of vascular stiffness, endothelial function, and kidney function is incompletely elucidated in African Americans. Our hypothesis was that increased vascular stiffness and endothelial dysfunction are associated with low estimated glomerular filtration rate (eGFR) and albuminuria in African Americans. Study Design Cross-sectional cohort analysis of data from the Jackson Heart Study. Settings & Patients 2,244 Jackson Heart Study participants (2012-2017 after Exam 3) who had undergone noninvasive hemodynamic assessment using arterial tonometry. Predictors Baseline carotid-femoral pulse wave velocity, pulsatile hemodynamics forward wave amplitude, and hyperemic brachial artery flow were measured. Reduced eGFR was defined as eGFR between 15 and 60 mL/min/1.73 m2. Outcomes Prevalent albuminuria, urinary albumin-creatinine ratio. Analytical Approach 2-sample t test for continuous variables and χ2 test for categorical variables in addition to logistic and linear regression models to assess the risk for chronic kidney disease with each proposed hemodynamic variable. Results Among 2,244 participants, mean age was 66 ± 11 years and 64% were women. Reduced eGFR was present in 233 (10.4%), and elevated urinary albumin-creatinine ratio, in 232 (10.4%). In multivariable-adjusted analyses, higher carotid-femoral pulse wave velocity was associated with the presence of reduced eGFR (OR, 1.37 [95% CI, 1.08-1.75] per SD; P = 0.01) and with prevalent albuminuria (OR, 1.66 [95% CI, 1.32-2.11]; P < 0.001). Higher forward wave amplitude was significantly associated with prevalent albuminuria (OR, 1.37 [95% CI, 1.14-1.65]; P = 0.001). Limitations Cross-sectional analyses cannot inform causality. Conclusions Higher arterial stiffness and pulsatility are associated with higher odds of reduced eGFR in African Americans. Future studies should focus on whether improving arterial stiffness contributes to kidney protection in African Americans.
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Karmakova ТА, Sergeeva NS, Kanukoev КY, Alekseev BY, Kaprin АD. Kidney Injury Molecule 1 (KIM-1): a Multifunctional Glycoprotein and Biological Marker (Review). Sovrem Tekhnologii Med 2021; 13:64-78. [PMID: 34603757 PMCID: PMC8482821 DOI: 10.17691/stm2021.13.3.08] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2020] [Indexed: 12/17/2022] Open
Abstract
KIM-1 (kidney injury molecule 1) is a transmembrane glycoprotein also known as HAVcr-1 and TIM-1 belongs to the T-cell immunoglobulin and mucin domain family (TIM) of proteins. TIM glycoproteins are presented on the immune cells and participate in the regulation of immune reactions. KIM-1 differs from other members of its family in that it is expressed not only by immunocompetent cells but epithelial cells as well. Cellular and humoral effects mediated by KIM-1 are involved in a variety of physiological and pathophysiological processes. Current understanding of the mechanisms determining the participation of KIM-1 in viral invasion, the immune response regulation, adaptive reactions of the kidney epithelium to acute ischemic or toxic injury, in progression of chronic renal diseases, and kidney cancer development have been presented in this review. Data of clinical researches demonstrating the association of KIM-1 with viral diseases and immune disorders have also been analyzed. Potential application of KIM-1 as urinary or serological marker in renal and cardiovascular diseases has been considered.
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Affiliation(s)
- Т А Karmakova
- Leading Researcher, Department of Predicting the Effectiveness of Conservative Therapy; P. Hertsen Moscow Oncology Research Institute - Branch of the National Medical Research Radiological Centre of the Ministry of Health of the Russian Federation, 3, 2 Botkinsky Proezd, Moscow, 125284, Russia
| | - N S Sergeeva
- Professor, Head of the Department of Predicting the Effectiveness of Conservative Therapy; P. Hertsen Moscow Oncology Research Institute - Branch of the National Medical Research Radiological Centre of the Ministry of Health of the Russian Federation, 3, 2 Botkinsky Proezd, Moscow, 125284, Russia; Professor, Department of Biology; Pirogov Russian National Research Medical University, 1 Ostrovitianova St., Moscow, 117997, Russia
| | - К Yu Kanukoev
- Urologist, Department of Urology with Chemotherapy; P. Hertsen Moscow Oncology Research Institute - Branch of the National Medical Research Radiological Centre of the Ministry of Health of the Russian Federation, 3, 2 Botkinsky Proezd, Moscow, 125284, Russia
| | - B Ya Alekseev
- Professor, Deputy General Director for Science; National Medical Research Radiological Centre of the Ministry of Health of the Russian Federation, 4 Koroleva St., Obninsk, 249036, Russia
| | - А D Kaprin
- Professor, Academician of the Russian Academy of Sciences, General Director; National Medical Research Radiological Centre of the Ministry of Health of the Russian Federation, 4 Koroleva St., Obninsk, 249036, Russia
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Conceptual advances and evolving terminology in acute kidney disease. Nat Rev Nephrol 2021; 17:493-502. [PMID: 33712812 DOI: 10.1038/s41581-021-00410-w] [Citation(s) in RCA: 32] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/09/2021] [Indexed: 01/31/2023]
Abstract
Over the past decade, new insights into epidemiology, pathophysiology and biomarkers have modified our understanding of acute kidney dysfunction and damage, and their association with subsequent chronic kidney disease. The concept of acute kidney injury (AKI), which has relied on established but nonetheless flawed biomarkers of solute clearance (serum creatinine levels and urinary output), has been challenged by the identification of novel biomarkers of tubular stress and/or damage. The expression of some of these novel biomarkers precedes changes in conventional biomarkers or can increase their predictive power, and might therefore enhance the clinical accuracy of the definition of AKI. In addition, the need to consider AKI recurrence, duration and progression to chronic kidney disease within the clinical and epidemiological framework of AKI led to the emergence of the concept of acute kidney disease. New definitions of acute syndromes of kidney impairment and injury are needed.
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Abstract
The traditional chronic kidney disease (CKD) biomarkers (eGFR based on serum creatinine, sex and age and albuminuria) cannot predict a patient's individual risk for developing progressive CKD. For this reason, it is necessary to identify novel CKD biomarkers that will be able to predict which patients are prone to develop progressive disease and discriminate between disease processes in different parts of the nephron (glomeruli or tubules). A good biomarker should change before or simultaneously with lesion development and its changes should correlate strongly with lesion development. Also, there should be a close relationship between severity of injury and amount of detectable biomarker and its levels should decrease with diminishing injury. Among the large number of molecules under investigation, we have reviewed the most promising ones: NGAL and KIM-1, MCP-1, MMP-9, clusterin, MMP-9, TIMP-1, Procollagen I alpha 1 and suPAR. All these, have been studied as biomarkers for prediction of CKD progression in cohorts of patients with chronic kidney disease of different stages and various aetiologies (proteinuric and non-proteinuric, glomerulonephritides, diabetic, hypertensive and polycystic kidney disease). There is evidence that these molecules could be useful as biomarkers for progressive chronic kidney disease, however, the available data are not enough to draw final conclusions. Further studies with large cohorts and long follow-up are required to identify appropriate biomarkers, that will be able to accurately and reliably define the risk for progressive chronic kidney disease.
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Aitekenov S, Gaipov A, Bukasov R. Review: Detection and quantification of proteins in human urine. Talanta 2020; 223:121718. [PMID: 33303164 PMCID: PMC7554478 DOI: 10.1016/j.talanta.2020.121718] [Citation(s) in RCA: 64] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2020] [Revised: 09/23/2020] [Accepted: 09/26/2020] [Indexed: 12/31/2022]
Abstract
Extensive medical research showed that patients, with high protein concentration in urine, have various kinds of kidney diseases, referred to as proteinuria. Urinary protein biomarkers are useful for diagnosis of many health conditions – kidney and cardio vascular diseases, cancers, diabetes, infections. This review focuses on the instrumental quantification (electrophoresis, chromatography, immunoassays, mass spectrometry, fluorescence spectroscopy, the infrared spectroscopy, and Raman spectroscopy) of proteins (the most of all albumin) in human urine matrix. Different techniques provide unique information on what constituents of the urine are. Due to complex nature of urine, a separation step by electrophoresis or chromatography are often used for proteomics study of urine. Mass spectrometry is a powerful tool for the discovery and the analysis of biomarkers in urine, however, costs of the analysis are high, especially for quantitative analysis. Immunoassays, which often come with fluorescence detection, are major qualitative and quantitative tools in clinical analysis. While Infrared and Raman spectroscopies do not give extensive information about urine, they could become important tools for the routine clinical diagnostics of kidney problems, due to rapidness and low-cost. Thus, it is important to review all the applicable techniques and methods related to urine analysis. In this review, a brief overview of each technique's principle is introduced. Where applicable, research papers about protein determination in urine are summarized with the main figures of merits, such as the limit of detection, the detectable range, recovery and accuracy, when available. Urinary protein biomarkers are useful for diagnosis of many conditions: kidney and cardio vascular diseases, cancers. Liquid chromatography – mass spectroscopy is a powerful tool for urine proteomics, but used mostly in science. Immunoassays are widely used in both clinical and bio-analytical laboratories. IR and Raman spectroscopies are promising tools for diagnostics of urine due to low-cost and rapidness.
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Affiliation(s)
- Sultan Aitekenov
- School of Sciences and Humanities, Department of Chemistry, Nazarbaev University, Nur-Sultan, Kazakhstan
| | - Abduzhappar Gaipov
- School of Medicine, Department of Clinical Sciences, Nazarbaev University, Nur-Sultan, Kazakhstan
| | - Rostislav Bukasov
- School of Sciences and Humanities, Department of Chemistry, Nazarbaev University, Nur-Sultan, Kazakhstan.
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McLeod DJ, Sebastião YV, Ching CB, Greenberg JH, Furth SL, Becknell B. Longitudinal kidney injury biomarker trajectories in children with obstructive uropathy. Pediatr Nephrol 2020; 35:1907-1914. [PMID: 32444926 PMCID: PMC7502482 DOI: 10.1007/s00467-020-04602-7] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/20/2020] [Revised: 05/01/2020] [Accepted: 05/05/2020] [Indexed: 12/24/2022]
Abstract
BACKGROUND Congenital obstructive uropathy (OU) is a leading cause of pediatric kidney failure, representing a unique mechanism of injury, in part from renal tubular stretch and ischemia. Tubular injury biomarkers have potential to improve OU-specific risk stratification. METHODS Patients with OU were identified in the Chronic Kidney Disease in Children (CKiD) study. "Cases" were defined as individuals receiving any kidney replacement therapy (KRT), while "controls" were age- and time-on-study matched and KRT free at last study visit. Urine and plasma neutrophil gelatinase-associated lipocalin (NGAL), interleukin 18 (IL-18), and liver-type fatty acid-binding protein (L-FABP) levels were measured at enrollment and annually and compared between cases and controls. Urine values were normalized to urine creatinine. RESULTS In total, 22 cases and 22 controls were identified, with median (interquartile range) ages of 10.5 (9.0-13.0) and 15.9 (13.9-16.9) years at baseline and outcome, respectively. At enrollment there were no differences noted between cases and controls for any urine (u) or plasma (p) biomarker measured. However, the mean pNGAL and uL-FABP/creatinine increased throughout the study period in cases (15.38 ng/ml per year and 0.20 ng/ml per mg/dl per year, respectively, p = 0.01 for both) but remained stable in controls. This remained constant after controlling for baseline glomerular filtration rate (GFR). CONCLUSIONS In children with OU, pNGAL and uL-FABP levels increased over the 5 years preceding KRT; independent of baseline GFR. Future studies are necessary to identify optimal cutoff values and to determine if these markers outperform current clinical predictors.
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Affiliation(s)
- Daryl J McLeod
- Section of Urology, Nationwide Children's Hospital, Columbus, OH, 43205, USA.
- Center for Surgical Outcomes Research, Nationwide Children's Hospital, Columbus, OH, 43205, USA.
| | - Yuri V Sebastião
- Center for Surgical Outcomes Research, Nationwide Children's Hospital, Columbus, OH, 43205, USA
| | - Christina B Ching
- Section of Urology, Nationwide Children's Hospital, Columbus, OH, 43205, USA
- Center for Clinical and Translational Research, Nationwide Children's Hospital, Columbus, OH, 43205, USA
| | - Jason H Greenberg
- Department of Pediatrics, Section of Nephrology, Yale University School of Medicine, New Haven, CT, 06510, USA
| | - Susan L Furth
- Department of Pediatrics, Division of Nephrology, Perelman School of Medicine at the University of Pennsylvania and the Children's Hospital of Philadelphia, Philadelphia, PA, 19104, USA
| | - Brian Becknell
- Center for Clinical and Translational Research, Nationwide Children's Hospital, Columbus, OH, 43205, USA
- Department of Pediatrics, Section of Nephrology, Nationwide Children's Hospital, Columbus, OH, 43205, USA
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Liu Y, Feng Q, Miao J, Wu Q, Zhou S, Shen W, Feng Y, Hou FF, Liu Y, Zhou L. C-X-C motif chemokine receptor 4 aggravates renal fibrosis through activating JAK/STAT/GSK3β/β-catenin pathway. J Cell Mol Med 2020; 24:3837-3855. [PMID: 32119183 PMCID: PMC7171406 DOI: 10.1111/jcmm.14973] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2019] [Revised: 12/18/2019] [Accepted: 12/24/2019] [Indexed: 12/13/2022] Open
Abstract
Chronic kidney disease (CKD) has a high prevalence worldwide. Renal fibrosis is the common pathological feature in various types of CKD. However, the underlying mechanisms are not determined. Here, we adopted different CKD mouse models and cultured human proximal tubular cell line (HKC-8) to examine the expression of C-X-C motif chemokine receptor 4 (CXCR4) and β-catenin signalling, as well as their relationship in renal fibrosis. In CKD mice and humans with a variety of nephropathies, CXCR4 was dramatically up-regulated in tubules, with a concomitant activation of β-catenin. CXCR4 expression level was positively correlated with the expression of β-catenin target MMP-7. AMD3100, a CXCR4 receptor blocker, and gene knockdown of CXCR4 significantly inhibited the activation of JAK/STAT and β-catenin signalling, protected against tubular injury and renal fibrosis. CXCR4-induced renal fibrosis was inhibited by treatment with ICG-001, an inhibitor of β-catenin signalling. In HKC-8 cells, overexpression of CXCR4 induced activation of β-catenin and deteriorated cell injury. These effects were inhibited by ICG-001. Stromal cell-derived factor (SDF)-1α, the ligand of CXCR4, stimulated the activation of JAK2/STAT3 and JAK3/STAT6 signalling in HKC-8 cells. Overexpression of STAT3 or STAT6 decreased the abundance of GSK3β mRNA. Silencing of STAT3 or STAT6 significantly blocked SDF-1α-induced activation of β-catenin and fibrotic lesions. These results uncover a novel mechanistic linkage between CXCR4 and β-catenin activation in renal fibrosis in association with JAK/STAT/GSK3β pathway. Our studies also suggest that targeted inhibition of CXCR4 may provide better therapeutic effects on renal fibrosis by inhibiting multiple downstream signalling cascades.
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Affiliation(s)
- Yahong Liu
- Division of Nephrology, State Key Laboratory of Organ Failure Research, National Clinical Research Center of Kidney Disease, Nanfang Hospital, Southern Medical University, Guangzhou, China.,Division of Nephrology, The Second Affiliated Hospital of Xingtai Medical College, Xingtai, China
| | - Qijian Feng
- Division of Nephrology, State Key Laboratory of Organ Failure Research, National Clinical Research Center of Kidney Disease, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Jinhua Miao
- Division of Nephrology, State Key Laboratory of Organ Failure Research, National Clinical Research Center of Kidney Disease, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Qinyu Wu
- Division of Nephrology, State Key Laboratory of Organ Failure Research, National Clinical Research Center of Kidney Disease, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Shan Zhou
- Division of Nephrology, State Key Laboratory of Organ Failure Research, National Clinical Research Center of Kidney Disease, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Weiwei Shen
- Division of Nephrology, State Key Laboratory of Organ Failure Research, National Clinical Research Center of Kidney Disease, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Yanqiu Feng
- School of Biomedical Engineering, Southern Medical University, Guangzhou, China
| | - Fan Fan Hou
- Division of Nephrology, State Key Laboratory of Organ Failure Research, National Clinical Research Center of Kidney Disease, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Youhua Liu
- Division of Nephrology, State Key Laboratory of Organ Failure Research, National Clinical Research Center of Kidney Disease, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Lili Zhou
- Division of Nephrology, State Key Laboratory of Organ Failure Research, National Clinical Research Center of Kidney Disease, Nanfang Hospital, Southern Medical University, Guangzhou, China
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Perrenoud L, Kruse NT, Andrews E, You Z, Chonchol M, Wu C, Ten Eyck P, Zepeda-Orozco D, Jalal D. Uric Acid Lowering and Biomarkers of Kidney Damage in CKD Stage 3: A Post Hoc Analysis of a Randomized Clinical Trial. Kidney Med 2020; 2:155-161. [PMID: 32964203 PMCID: PMC7487946 DOI: 10.1016/j.xkme.2019.11.007] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
Abstract
Rationale & Objective Hyperuricemia is associated with chronic kidney disease (CKD) progression. We evaluated whether lowering serum uric acid levels improves levels of biomarkers of kidney damage. Study Design Post hoc analysis of clinical trial participants. Setting & Participants A double-blind randomized placebo-controlled study designed to lower serum uric acid levels. 80 patients with stage 3 CKD and asymptomatic hyperuricemia were randomly assigned to allopurinol treatment or placebo (300 mg/d) for 12 weeks. Exposure/Predictor Allopurinol treatment versus placebo. Outcomes & Measures We evaluated the change from baseline for the following urinary biomarkers of kidney damage: albumin-creatinine ratio (ACR), neutrophil gelatinase-associated lipocalin (NGAL), kidney injury molecule 1 (KIM-1), and transforming growth factor β1 (TGF-β1). Additionally, we evaluated CKD Epidemiology Collaboration (CKD-EPI)-estimated glomerular filtration rate (eGFR) and cystatin C eGFR. Analytical Approach Generalized linear mixed modeling was used. Results After 12 weeks, allopurinol (compared to placebo) significantly lowered serum uric acid levels with an estimate of −3.3 mg/dL (95% CI, −4.1 to −2.5 mg/dL; P < 0.001). Estimates for the change for allopurinol versus placebo over time were 1.09 (95% CI, 0.77-1.54) for ACR, 0.77 (95% CI, 0.36-1.63) for NGAL, and 2.36 (95% CI, 0.97-5.70) for TGF-β1. The model did not converge for KIM-1, but Wilcoxon signed rank test showed no significant difference in change from baseline between study groups. There was no significant change observed in CKD-EPI eGFR or cystatin C eGFR. Limitations Post hoc analysis and short duration of the study. Conclusions Uric acid–lowering with allopurinol is not associated with improvement in levels of biomarkers of kidney damage in patients with asymptomatic hyperuricemia and stage 3 CKD. Funding The study was funded by the National Institutes of Health through a career development award, K23DK088833, and the Clinical and Translational Science Award UL1TR002537. Trial Registration NCT01228903.
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Chen TK, Parikh CR. Management of Presumed Acute Kidney Injury during Hypertensive Therapy: Stay Calm and Carry on? Am J Nephrol 2020; 51:108-115. [PMID: 31940606 DOI: 10.1159/000505447] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2019] [Accepted: 12/13/2019] [Indexed: 11/19/2022]
Abstract
BACKGROUND Recent studies have demonstrated that intensive blood pressure control is associated with improved cardiovascular outcomes. Acute kidney injury (AKI), however, was more common in the intensive treatment group prompting concern in the nephrology community. SUMMARY Clinical trials on hypertension control have traditionally defined AKI by changes in serum creatinine. However, serum creatinine has several inherent limitations as a marker of kidney injury, with various factors influencing its production, secretion, and elimination. Urinary biomarkers of kidney injury and repair have the potential to provide insight on the presence and phenotype of kidney injury. In both the Systolic Blood Pressure Intervention Trial and the Action to Control Cardiovascular Risk in Diabetes study, urinary biomarkers have suggested that the increased risk of AKI associated with intensive treatment was due to hemodynamic changes rather than structural kidney injury. As such, clinicians who encounter rises in serum creatinine during intensification of hypertension therapy should "stay calm and carry on." Alternative explanations for serum creatinine elevation should be considered and addressed if appropriate. When the rise in serum creatinine is limited, particularly if albuminuria is stable or improving, intensive blood pressure control should be continued for its potential long-term benefits. Key Messages: Increases in serum creatinine during intensification of blood pressure control may not necessarily reflect kidney injury. Clinicians should evaluate for other contributing factors before stopping therapy. Urinary biomarkers may address limitations of serum creatinine as a marker of kidney injury.
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Affiliation(s)
- Teresa K Chen
- Division of Nephrology, Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
- Welch Center for Prevention, Epidemiology, and Clinical Research, Johns Hopkins Medical Institutions, Baltimore, Maryland, USA
| | - Chirag R Parikh
- Division of Nephrology, Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA,
- Welch Center for Prevention, Epidemiology, and Clinical Research, Johns Hopkins Medical Institutions, Baltimore, Maryland, USA,
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Wołyniec W, Kasprowicz K, Giebułtowicz J, Korytowska N, Zorena K, Bartoszewicz M, Rita-Tkachenko P, Renke M, Ratkowski W. Changes in Water Soluble Uremic Toxins and Urinary Acute Kidney Injury Biomarkers After 10- and 100-km Runs. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2019; 16:ijerph16214153. [PMID: 31661892 PMCID: PMC6862582 DOI: 10.3390/ijerph16214153] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/30/2019] [Revised: 10/22/2019] [Accepted: 10/25/2019] [Indexed: 12/24/2022]
Abstract
Acute kidney injury (AKI) is described as a relatively common complication of exercise. In clinical practice the diagnosis of AKI is based on serum creatinine, the level of which is dependent not only on glomerular filtration rate but also on muscle mass and injury. Therefore, the diagnosis of AKI is overestimated after physical exercise. The aim of this study was to determine changes in uremic toxins: creatinine, urea, uric acid, asymmetric dimethylarginine (ADMA), symmetric dimethylarginine (SDMA), trimethylamine N-oxide (TMAO) and urinary makers of AKI: albumin, neutrophil gelatinase-associated lipocalin (uNGAL), kidney injury molecule-1 and cystatin-C (uCyst-C) after long runs. Sixteen runners, mean age 36.7 ± 8.2 years, (2 women, 14 men) participating in 10- and 100-km races were studied. Blood and urine were taken before and after the races to assess markers of AKI. A statistically significant increase in creatinine, urea, uric acid, SDMA and all studied urinary AKI markers was observed. TMAO and ADMA levels did not change. The changes in studied markers seem to be a physiological reaction, because they were observed almost in every runner. The diagnosis of kidney failure after exercise is challenging. The most valuable novel markers which can help in post-exercise AKI diagnosis are uCyst-C and uNGAL.
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Affiliation(s)
- Wojciech Wołyniec
- Department of Occupational, Metabolic and Internal Medicine, Institute of Maritime and Tropical Medicine, Medical University of Gdańsk, 81-519 Gdynia, Poland.
| | - Katarzyna Kasprowicz
- Department of Biology, Ecology and Sports Medicine, Gdańsk University of Physical Education and Sport, 80-336 Gdańsk, Poland.
| | - Joanna Giebułtowicz
- Department of Bioanalysis and Drug Analysis, Faculty of Pharmacy, Medical University of Warsaw, 02-097 Warsaw, Poland.
| | - Natalia Korytowska
- Department of Bioanalysis and Drug Analysis, Faculty of Pharmacy, Medical University of Warsaw, 02-097 Warsaw, Poland.
| | - Katarzyna Zorena
- Department of Biology Ecology and Sport Medicine, Medical University of Gdańsk, 81-519 Gdynia, Poland.
| | - Maria Bartoszewicz
- Department of Biology Ecology and Sport Medicine, Medical University of Gdańsk, 81-519 Gdynia, Poland.
| | | | - Marcin Renke
- Department of Occupational, Metabolic and Internal Medicine, Institute of Maritime and Tropical Medicine, Medical University of Gdańsk, 81-519 Gdynia, Poland.
| | - Wojciech Ratkowski
- Department of Athletics, Department of Athletics, Gdańsk University of Physical Education and Sport, 80-336 Gdańsk, Poland.
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Arici M. Kidney injury molecule-1: a successful quest for a predictive kidney disease marker? Nephrol Dial Transplant 2019; 35:194-197. [DOI: 10.1093/ndt/gfz074] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2019] [Accepted: 03/23/2019] [Indexed: 11/13/2022] Open
Affiliation(s)
- Mustafa Arici
- Department of Nephrology, Faculty of Medicine, Hacettepe University, Ankara, Turkey
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Bidin MZ, Shah AM, Stanslas J, Seong CLT. Blood and urine biomarkers in chronic kidney disease: An update. Clin Chim Acta 2019; 495:239-250. [PMID: 31009602 DOI: 10.1016/j.cca.2019.04.069] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2019] [Revised: 04/17/2019] [Accepted: 04/17/2019] [Indexed: 01/11/2023]
Abstract
INTRODUCTION Chronic kidney disease (CKD) is a silent disease. Most CKD patients are unaware of their condition during the early stages of the disease which poses a challenge for healthcare professionals to institute treatment or start prevention. The trouble with the diagnosis of CKD is that in most parts of the world, it is still diagnosed based on measurements of serum creatinine and corresponding calculations of eGFR. There are controversies with the current staging system, especially in the methodology to diagnose and prognosticate CKD. OBJECTIVE The aim of this review is to examine studies that focused on the different types of samples which may serve as a good and promising biomarker for early diagnosis of CKD or to detect rapidly declining renal function among CKD patient. METHOD The review of international literature was made on paper and electronic databases Nature, PubMed, Springer Link and Science Direct. The Scopus index was used to verify the scientific relevance of the papers. Publications were selected based on the inclusion and exclusion criteria. RESULT 63 publications were found to be compatible with the study objectives. Several biomarkers of interest with different sample types were taken for comparison. CONCLUSION Biomarkers from urine samples yield more significant outcome as compare to biomarkers from blood samples. But, validation and confirmation with a different type of study designed on a larger population is needed. More comparison studies on different types of samples are needed to further illuminate which biomarker is the better tool for the diagnosis and prognosis of CKD.
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Affiliation(s)
- Mohammad Zulkarnain Bidin
- Nephrology Unit, Department of Medicine, Faculty of Medicine and Health Sciences, Universiti Putra Malaysia, Serdang, Selangor, Malaysia.
| | - Anim Md Shah
- Nephrology Unit, Department of Medicine, Faculty of Medicine and Health Sciences, Universiti Putra Malaysia, Serdang, Selangor, Malaysia; Nephrology Department, Serdang Hospital, Selangor, Malaysia
| | - J Stanslas
- Pharmacotherapeutics Unit, Department of Medicine, Faculty of Medicine and Health Sciences, Universiti Putra Malaysia, 43400 Serdang, Selangor, Malaysia
| | - Christopher Lim Thiam Seong
- Nephrology Unit, Department of Medicine, Faculty of Medicine and Health Sciences, Universiti Putra Malaysia, Serdang, Selangor, Malaysia; Nephrology Department, Serdang Hospital, Selangor, Malaysia.
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