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Guo Y, Yu H, Li Y, Zhang T, Xiong W, Wu X. Elucidating the genetic relationship between ulcerative colitis and diabetic kidney disease: a bidirectional Mendelian randomization study. Front Endocrinol (Lausanne) 2024; 15:1435812. [PMID: 39211444 PMCID: PMC11358062 DOI: 10.3389/fendo.2024.1435812] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/21/2024] [Accepted: 07/23/2024] [Indexed: 09/04/2024] Open
Abstract
Introduction Ulcerative colitis (UC) and diabetic kidney disease (DKD) are chronic disorders with multifaceted pathogenesis, posing significant challenges in clinical management. While substantial efforts have been made to investigate the individual causes of these diseases, the interplay between UC and DKD is not well understood. This study aims to elucidate the genetic association between UC and DKD through Mendelian randomization (MR) analysis, offering new insights into common biological pathways and potential clinical implications. Methods We conducted a bidirectional two-sample MR study utilizing data from large-scale genome-wide association studies (GWAS) for both UC and DKD. Instrumental variables (IVs) were meticulously selected according to genome-wide significance and stringent statistical criteria, ensuring robust causal inference. Various MR methodologies, including inverse variance weighting (IVW), were employed to assess the causal relationships between UC and DKD. Sensitivity analyses were also performed to validate the robustness of our findings. Results Our analysis revealed a significant causal relationship between genetic predisposition to UC and increased susceptibility to DKD. Specifically, individuals with a genetic susceptibility to UC exhibited a 17.3% higher risk of developing DKD. However, we found no evidence of a causal link between DKD and the risk of developing UC. Additionally, we identified shared genetic risk factors and molecular pathways linking UC and DKD, thereby highlighting potential therapeutic targets. Discussion This study underscores the intricate genetic interplay between UC and DKD, suggesting that individuals with UC may be at an elevated risk for developing DKD. Understanding these shared genetic pathways could facilitate the development of early detection strategies and targeted interventions for individuals at risk of DKD. Ultimately, these insights could lead to improved clinical outcomes for patients suffering from both conditions.
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Affiliation(s)
- Yaping Guo
- Xi’an Jiaotong University, Xi’an, China
- Yulin Hospital of Traditional Chinese Medicine, Yulin, China
| | - Hangxing Yu
- Chongqing Hospital of Traditional Chinese Medicine, Chongqing, China
| | - Ying Li
- Chongqing Hospital of Traditional Chinese Medicine, Chongqing, China
| | - Taijun Zhang
- Chongqing Hospital of Traditional Chinese Medicine, Chongqing, China
| | - Weijian Xiong
- Chongqing Hospital of Traditional Chinese Medicine, Chongqing, China
| | - Xili Wu
- Xi’an Jiaotong University, Xi’an, China
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2
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Chang LH, Chang TT, Chu CH, Huang CC, Lin LY. Soluble tumor necrosis factor receptor type 1 is an alternative marker of urinary albumin-creatinine ratio and estimated glomerular filtration rate for predicting the decline of renal function in subjects with type 2 diabetes mellitus. Clin Chim Acta 2024; 558:117880. [PMID: 38555050 DOI: 10.1016/j.cca.2024.117880] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2024] [Revised: 02/29/2024] [Accepted: 03/19/2024] [Indexed: 04/02/2024]
Abstract
BACKGROUND Urinary albumin-creatinine ratio (UACR) and estimated glomerular filtration rates (eGFR) help predict worsening diabetic kidney disease (DKD) but have their limitations. Soluble tumor necrosis factor receptor type 1 (sTNFR1) is a biomarker of DKD. The predictive abilities of sTNFR1 and UACR plus eGFR have not been compared. METHODS This prospective cohort study included patients with type 2 diabetes (T2D) to identify the risk factors of worsening DKD. Renal events were defined as > 30 % loss in eGFR based on consecutive tests after 6 months. The associations of sTNFR1, UACR, and eGFR levels and the risks of renal events were tested using a Cox regression model and the area under the curve (AUC) was compared between sTNFR1 levels and UACR plus eGFR using receiver-operating characteristic (ROC) analysis. The accuracy of stratification was evaluated using Kaplan-Meier analysis. RESULTS Levels of sTNFR1 and UACR were associated with risks of > 30 % decline in eGFR after adjusting for relevant factors. The association between sTNFR1 levels and renal outcomes was independent of UACR and eGFR at baseline. The AUC of sTNFR1 level was comparable with that of combined UACR and eGFR (0.73 vs. 0.71, respectively, p = 0.72) and the results persisted for quartile groups of sTNFR1 and risk categories of Kidney Disease: Improving Global Outcomes (KDIGO) (0.70 vs. 0.71, respectively, p = 0.84). Both stratifications by sTNFR1 levels and KDIGO were accurate. CONCLUSION sTNFR1 could be an alternative marker for identifying patients with diabetes at risk of declining renal function.
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Affiliation(s)
- Li-Hsin Chang
- Division of Endocrinology and Metabolism, Department of Medicine, Yeezen General Hospital, Taoyuan, Taiwan
| | - Ting-Ting Chang
- Department and Institute of Pharmacology, National Yang Ming Chiao Tung University, Taipei, Taiwan; School of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan
| | - Chia-Huei Chu
- Department of Otorhinolaryngology-Head and Neck Surgery, Mackay Memorial Hospital, Taipei, Taiwan; Department of Audiology and Speech Language Pathology, Mackay Medical College, New Taipei City, Taiwan
| | - Chin-Chou Huang
- Department and Institute of Pharmacology, National Yang Ming Chiao Tung University, Taipei, Taiwan; School of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan; Division of Cardiology, Department of Medicine, Taipei Veterans General Hospital, Taipei, Taiwan
| | - Liang-Yu Lin
- Division of Endocrinology and Metabolism, Department of Medicine, Taipei Veterans General Hospital, Taipei, Taiwan; Faculty of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan.
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Erandathi MA, Wang WYC, Mayo M, Lee CC. Comprehensive Factors for Predicting the Complications of DiabetesMellitus: A Systematic Review. Curr Diabetes Rev 2024; 20:e040124225240. [PMID: 38178670 PMCID: PMC11327746 DOI: 10.2174/0115733998271863231116062601] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/12/2023] [Revised: 09/05/2023] [Accepted: 09/06/2023] [Indexed: 01/06/2024]
Abstract
BACKGROUND This article focuses on extracting a standard feature set for predicting the complications of diabetes mellitus by systematically reviewing the literature. It is conducted and reported by following the guidelines of PRISMA, a well-known systematic review and meta-analysis method. The research articles included in this study are extracted using the search engine "Web of Science" over eight years. The most common complications of diabetes, diabetic neuropathy, retinopathy, nephropathy, and cardiovascular diseases are considered in the study. METHOD The features used to predict the complications are identified and categorised by scrutinising the standards of electronic health records. RESULT Overall, 102 research articles have been reviewed, resulting in 59 frequent features being identified. Nineteen attributes are recognised as a standard in all four considered complications, which are age, gender, ethnicity, weight, height, BMI, smoking history, HbA1c, SBP, eGFR, DBP, HDL, LDL, total cholesterol, triglyceride, use of insulin, duration of diabetes, family history of CVD, and diabetes. The existence of a well-accepted and updated feature set for health analytics models to predict the complications of diabetes mellitus is a vital and contemporary requirement. A widely accepted feature set is beneficial for benchmarking the risk factors of complications of diabetes. CONCLUSION This study is a thorough literature review to provide a clear state of the art for academicians, clinicians, and other stakeholders regarding the risk factors and their importance.
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Affiliation(s)
| | | | | | - Ching-Chi Lee
- National Chen Kung University Hospital, Tainan, Taiwan
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4
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Murakoshi M, Kamei N, Suzuki Y, Kubota M, Sanuki M, Tashiro H, Iwasawa T, Kato K, Tanaka M, Furuhashi M, Gohda T. Circulating tumor necrosis factor-related biomarkers predict kidney function decline in Japanese patients with diabetes: An observational cohort study. Diabetes Res Clin Pract 2023; 206:111017. [PMID: 37972856 DOI: 10.1016/j.diabres.2023.111017] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/15/2023] [Revised: 11/04/2023] [Accepted: 11/13/2023] [Indexed: 11/19/2023]
Abstract
AIMS Tumor necrosis factor (TNF) receptors (TNFRs: TNFR1 and, TNFR2) are reportedly associated with chronic kidney disease (CKD) progression chiefly in Caucasian patients with diabetes. We assessed the prognostic value of TNF-related biomarkers for CKD progression in Japanese patients with diabetes. METHODS We estimated TNF-related biomarkers using an enzyme-linked immunosorbent assay in 640 patients with diabetes. Cox proportional hazards analysis was performed to estimate hazard ratios (HRs) per one standard deviation (SD) increase in a log-transformed biomarker. The kidney and the composite outcome were defined as a 30% reduction in estimated glomerular filtration rate (eGFR) from baseline, and kidney outcome plus death before kidney outcome, respectively. RESULTS During the median follow-up of 5.4 years, 75 (11.7%) patients reached the kidney outcome and 37 (5.8%) died before reaching the kidney outcome. Each SD increase in baseline circulating TNFR1, TNFR2, and ephrin type-A receptor 2 (EphA2) was associated with a higher risk of the kidney outcome independently from baseline eGFR and urine albumin-to-creatinine ratio. However, circulating osteoprotegerin was associated with the composite outcome only. CONCLUSIONS Elevated TNFR1, TNFR2, and EphA2 were associated with both kidney and composite outcomes in Japanese patients with diabetes.
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Affiliation(s)
- Maki Murakoshi
- Department of Nephrology, Juntendo University Faculty of Medicine, Tokyo, Japan
| | - Nozomu Kamei
- Department of Endocrinology and Metabolism, Hiroshima Red Cross Hospital & Atomic-bomb Survivors Hospital, Hiroshima, Japan; Institute for Clinical Research, National Hospital Organization, Kure Medical Center and Chugoku Cancer Center, Hiroshima, Japan
| | - Yusuke Suzuki
- Department of Nephrology, Juntendo University Faculty of Medicine, Tokyo, Japan
| | - Mitsunobu Kubota
- Department of Endocrinology and Diabetology, National Hospital Organization, Kure Medical Center and Chugoku Cancer Center, Hiroshima, Japan
| | - Michiyoshi Sanuki
- Institute for Clinical Research, National Hospital Organization, Kure Medical Center and Chugoku Cancer Center, Hiroshima, Japan
| | - Hirotaka Tashiro
- Department of Surgery, National Hospital Organization, Kure Medical Center and Chugoku Cancer Center, Hiroshima, Japan
| | - Takumi Iwasawa
- Institute of Life Innovation Studies, Toyo University, Tokyo, Japan
| | - Kazunori Kato
- Institute of Life Innovation Studies, Toyo University, Tokyo, Japan
| | - Marenao Tanaka
- Department of Cardiovascular, Renal and Metabolic Medicine, Sapporo Medical University School of Medicine, Sapporo, Japan
| | - Masato Furuhashi
- Department of Cardiovascular, Renal and Metabolic Medicine, Sapporo Medical University School of Medicine, Sapporo, Japan
| | - Tomohito Gohda
- Department of Nephrology, Juntendo University Faculty of Medicine, Tokyo, Japan.
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Biancalana E, Petralli G, Raggi F, Distaso MR, Piazza G, Rossi C, Tricò D, Solini A. Parameters influencing renal response to SGLT2 inhibitors and GLP1 receptor agonists in type 2 diabetes patients with preserved renal function: a comparative, prospective study. J Endocrinol Invest 2023; 46:991-999. [PMID: 36469293 DOI: 10.1007/s40618-022-01969-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/08/2022] [Accepted: 11/15/2022] [Indexed: 12/07/2022]
Abstract
PURPOSE SGLT2 inhibitors (SGLT2i) and GLP1 receptor agonists (GLP1-RA) protect the kidney in type 2 diabetes (T2DM) subjects. The role of patient's phenotype years before starting the treatment in determining the kidney response to these drugs has never been evaluated. SUBJECTS AND METHODS Clinical and biochemical parameters were collected in 92 T2DM patients with preserved kidney function from year -4 (T-4) to year +3 (T+3) from the introduction of semaglutide or empagliflozin (T0). Glomerular filtration rate (eGFR) slopes were evaluated to identify eGFR changes (ΔGFR) and predictors of treatment response. Urinary markers of kidney impairment were measured at T0, including KIM-1, TNFR1 and L-FABP. RESULTS Characteristics of patients on semaglutide (n = 46) or empagliflozin (n = 37) were similar at T-4 and T0. ΔGFR from T0 to T+3 was -5.5 [-10.0; -0.7] vs -2.6 [-102.4] ml/min/1.73 m2 for GLP1-RA and SGLT2i, respectively (p = ns). Compared with patients with a slower eGFR decline, those with ΔGFR > 5 ml/min/1.73 m2 from T0 to T+3 (49%) or ΔGFR > 10 ml/min/1.73 m2 from T-4 to T+3 (25%) had similar characteristics and urinary markers at T-4 and T0. The latter group showed greater eGFR decline from T-3 to T0, which tended to be delayed more by SGLT2i than GLP1-RA (p = 0.09). CONCLUSION In our cohort, subjects with T2DM and preserved renal function show similar eGFR response to treatment with GLP1-RA or SGLT2i. Baseline urinary biomarkers or prior phenotyping do not predict treatment response. An early eGFR decline identifies patients prone to lose more eGFR over time, who may benefit more from SGLT2i treatment.
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Affiliation(s)
- E Biancalana
- Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy
| | - G Petralli
- Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy
| | - F Raggi
- Department of Surgical, Medical, Molecular and Critical Area Pathology, University of Pisa, Via Roma 67, 56126, Pisa, Italy
| | - M R Distaso
- Department of Surgical, Medical, Molecular and Critical Area Pathology, University of Pisa, Via Roma 67, 56126, Pisa, Italy
| | - G Piazza
- Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy
| | - C Rossi
- Department of Surgical, Medical, Molecular and Critical Area Pathology, University of Pisa, Via Roma 67, 56126, Pisa, Italy
| | - D Tricò
- Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy
| | - A Solini
- Department of Surgical, Medical, Molecular and Critical Area Pathology, University of Pisa, Via Roma 67, 56126, Pisa, Italy.
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TNFR2 as a Potential Biomarker for Early Detection and Progression of CKD. Biomolecules 2023; 13:biom13030534. [PMID: 36979469 PMCID: PMC10046457 DOI: 10.3390/biom13030534] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2023] [Revised: 02/27/2023] [Accepted: 03/09/2023] [Indexed: 03/17/2023] Open
Abstract
The inflammatory pathway driven by TNF-α, through its receptors TNFR1 and TNFR2, is a common feature in the pathogenesis of chronic kidney disease (CKD), regardless of the initial disease cause. Evidence correlates the chronic inflammatory status with decreased renal function. Our aim was to evaluate the potential of TNF receptors as biomarkers for CKD diagnosis and staging, as well as their association with the progression of renal lesions, in rat models of early and moderate CKD. We analyzed the circulating levels of inflammatory molecules—tumor necrosis factor-alpha (TNF-α), tumor necrosis factor receptor 1 (TNFR1) and 2 (TNFR2) and tissue inhibitor of metalloproteinase-1 (TIMP-1)—and studied their associations with TNFR1 and TNFR2 renal expression, glomerular and tubulointerstitial lesions, and with biomarkers of renal (dys)function. An increase in all inflammatory markers was observed in moderate CKD, as compared to controls, but only circulating levels of both TNFR1 and TNFR2 were significantly increased in the early disease; TNFR2 serum levels were negatively correlated with eGFR. However, only TNFR2 renal expression increased with CKD severity and showed correlations with the score of mild and advanced tubular lesions. Our findings suggest that renal TNFR2 plays a role in CKD development, and has potential to be used as a biomarker for the early detection and progression of the disease. Still, the potential value of this biomarker in disease progression warrants further investigation.
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7
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Gaudji GR, Bida M, Conradie M, Damane BP, Bester MJ. Renal Papillary Necrosis (RPN) in an African Population: Disease Patterns, Relevant Pathways, and Management. Biomedicines 2022; 11:biomedicines11010093. [PMID: 36672600 PMCID: PMC9855351 DOI: 10.3390/biomedicines11010093] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2022] [Revised: 12/02/2022] [Accepted: 12/26/2022] [Indexed: 12/31/2022] Open
Abstract
Renal papillary necrosis (RPN) is characterized by coagulative necrosis of the renal medullary pyramids and papillae. Multiple conditions and toxins are associated with RPN. Several RPN risk factors, or POSTCARDS, have been identified, with most patients presenting with RPN having at least two contributing risk factors. Currently, there is no specific test to diagnose and confirm RPN; however, several imaging tools can be used to diagnose the condition. RPN is currently underdiagnosed in African populations, often with fatal outcomes. In African clinical settings, there is a lack of consensus on how to define and describe RPN in terms of kidney anatomy, pathology, endourology, epidemiology, the identification of African-specific risk factors, the contribution of oxidative stress, and lastly an algorithm for managing the condition. Several risk factors are unique to African populations including population-specific genetic factors, iatrogenic factors, viral infections, antimicrobial therapy, schistosomiasis, substance abuse, and hypertension (GIVASSH). Oxidative stress is central to both GIVASSH and POSTCARDS-associated risk factors. In this review, we present information specific to African populations that can be used to establish an updated consensual definition and practical grading system for radiologists, urologists, nephrologists, nuclear physicians, and pathologists in African clinical settings.
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Affiliation(s)
- Guy Roger Gaudji
- Department of Urology, Steve Biko Academic Hospital, Faculty of Health Sciences, University of Pretoria, Pretoria 0007, South Africa
- Correspondence: (G.R.G.); (M.J.B.)
| | - Meshack Bida
- Department of Anatomical Pathology, National Health Laboratory Service (NHLS), Faculty of Health Sciences, University of Pretoria, Pretoria 0084, South Africa
| | - Marius Conradie
- Urology Practice, Netcare Waterfall City Hospital, Cnr Magwa Avenue and Mac Mac Road, Johannesburg 1682, South Africa
| | - Botle Precious Damane
- Department of Surgery, Steve Biko Academic Hospital, Faculty of Health Sciences, University of Pretoria, Pretoria 0007, South Africa
| | - Megan Jean Bester
- Department of Anatomy, Faculty of Health Sciences, University of Pretoria, Pretoria 0007, South Africa
- Correspondence: (G.R.G.); (M.J.B.)
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Hofherr A, Williams J, Gan LM, Söderberg M, Hansen PBL, Woollard KJ. Targeting inflammation for the treatment of Diabetic Kidney Disease: a five-compartment mechanistic model. BMC Nephrol 2022; 23:208. [PMID: 35698028 PMCID: PMC9190142 DOI: 10.1186/s12882-022-02794-8] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2021] [Accepted: 04/20/2022] [Indexed: 12/25/2022] Open
Abstract
Diabetic kidney disease (DKD) is the leading cause of kidney failure worldwide. Mortality and morbidity associated with DKD are increasing with the global prevalence of type 2 diabetes. Chronic, sub-clinical, non-resolving inflammation contributes to the pathophysiology of renal and cardiovascular disease associated with diabetes. Inflammatory biomarkers correlate with poor renal outcomes and mortality in patients with DKD. Targeting chronic inflammation may therefore offer a route to novel therapeutics for DKD. However, the DKD patient population is highly heterogeneous, with varying etiology, presentation and disease progression. This heterogeneity is a challenge for clinical trials of novel anti-inflammatory therapies. Here, we present a conceptual model of how chronic inflammation affects kidney function in five compartments: immune cell recruitment and activation; filtration; resorption and secretion; extracellular matrix regulation; and perfusion. We believe that the rigorous alignment of pathophysiological insights, appropriate animal models and pathology-specific biomarkers may facilitate a mechanism-based shift from recruiting ‘all comers’ with DKD to stratification of patients based on the principal compartments of inflammatory disease activity.
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Affiliation(s)
- Alexis Hofherr
- Research and Early Clinical Development, Cardiovascular, Renal and Metabolism, AstraZeneca, BioPharmaceuticals R&D, Gothenburg, Sweden. .,Renal Division, Department of Medicine, Medical Center, Faculty of Medicine, University of Freiburg, Freiburg, Germany.
| | - Julie Williams
- Bioscience Renal, Research and Early Development, Cardiovascular, Renal and Metabolic, AstraZeneca, BioPharmaceuticals R&D, Gothenburg, UK
| | - Li-Ming Gan
- Research and Early Clinical Development, Cardiovascular, Renal and Metabolism, AstraZeneca, BioPharmaceuticals R&D, Gothenburg, Sweden.,Department of Molecular and Clinical Medicine, Department of Cardiology, Sahlgrenska Academy, University of Gothenburg, Sahlgrenska University Hospital, Gothenburg, Sweden
| | - Magnus Söderberg
- Cardiovascular, Renal and Metabolic Safety, Clinical Pharmacology and Safety Sciences, AstraZeneca, BioPharmaceuticals R&D, Gothenburg, Sweden
| | - Pernille B L Hansen
- Bioscience Renal, Research and Early Development, Cardiovascular, Renal and Metabolic, AstraZeneca, BioPharmaceuticals R&D, Gothenburg, UK.,Wallenberg Center for Molecular and Translational Medicine, Institute of Neuroscience and Physiology, the Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
| | - Kevin J Woollard
- Bioscience Renal, Research and Early Development, Cardiovascular, Renal and Metabolic, AstraZeneca, BioPharmaceuticals R&D, Gothenburg, UK. .,Centre for Inflammatory Disease, Imperial College London, London, UK.
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Lousa I, Reis F, Santos-Silva A, Belo L. The Signaling Pathway of TNF Receptors: Linking Animal Models of Renal Disease to Human CKD. Int J Mol Sci 2022; 23:3284. [PMID: 35328704 PMCID: PMC8950598 DOI: 10.3390/ijms23063284] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2022] [Revised: 03/15/2022] [Accepted: 03/16/2022] [Indexed: 11/25/2022] Open
Abstract
Chronic kidney disease (CKD) has been recognized as a global public health problem. Despite the current advances in medicine, CKD-associated morbidity and mortality remain unacceptably high. Several studies have highlighted the contribution of inflammation and inflammatory mediators to the development and/or progression of CKD, such as tumor necrosis factor (TNF)-related biomarkers. The inflammation pathway driven by TNF-α, through TNF receptors 1 (TNFR1) and 2 (TNFR2), involves important mediators in the pathogenesis of CKD. Circulating levels of TNFRs were associated with changes in other biomarkers of kidney function and injury, and were described as predictors of disease progression, cardiovascular morbidity, and mortality in several cohorts of patients. Experimental studies describe the possible downstream signaling pathways induced upon TNFR activation and the resulting biological responses. This review will focus on the available data on TNFR1 and TNFR2, and illustrates their contributions to the pathophysiology of kidney diseases, their cellular and molecular roles, as well as their potential as CKD biomarkers. The emerging evidence shows that TNF receptors could act as biomarkers of renal damage and as mediators of the disease. Furthermore, it has been suggested that these biomarkers could significantly improve the discrimination of clinical CKD prognostic models.
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Affiliation(s)
- Irina Lousa
- Associate Laboratory i4HB-Institute for Health and Bioeconomy, Faculty of Pharmacy, University of Porto, 4050-313 Porto, Portugal; (I.L.); (A.S.-S.)
- UCIBIO—Applied Molecular Biosciences Unit, Laboratory of Biochemistry, Department of Biological Sciences, Faculty of Pharmacy, University of Porto, 4050-313 Porto, Portugal
| | - Flávio Reis
- Institute of Pharmacology & Experimental Therapeutics & Coimbra Institute for Clinical and Biomedical Research (iCBR), Faculty of Medicine, University of Coimbra, 3000-548 Coimbra, Portugal;
- Center for Innovative Biomedicine and Biotechnology (CIBB), University of Coimbra, 3004-504 Coimbra, Portugal
- Clinical Academic Center of Coimbra (CACC), 3000-075 Coimbra, Portugal
| | - Alice Santos-Silva
- Associate Laboratory i4HB-Institute for Health and Bioeconomy, Faculty of Pharmacy, University of Porto, 4050-313 Porto, Portugal; (I.L.); (A.S.-S.)
- UCIBIO—Applied Molecular Biosciences Unit, Laboratory of Biochemistry, Department of Biological Sciences, Faculty of Pharmacy, University of Porto, 4050-313 Porto, Portugal
| | - Luís Belo
- Associate Laboratory i4HB-Institute for Health and Bioeconomy, Faculty of Pharmacy, University of Porto, 4050-313 Porto, Portugal; (I.L.); (A.S.-S.)
- UCIBIO—Applied Molecular Biosciences Unit, Laboratory of Biochemistry, Department of Biological Sciences, Faculty of Pharmacy, University of Porto, 4050-313 Porto, Portugal
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10
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Murkamilov IT. The bi-directional effect of markers of inflammation and a decrease in glomerular filtration rate in chronic kidney disease. Klin Lab Diagn 2022; 67:37-42. [PMID: 35077068 DOI: 10.51620/0869-2084-2022-67-1-37-42] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
The aim of the study was to analyze and evaluate the relationship between the cytokine profile, C-reactive blood protein, fibrinogen, and glomerular filtration rate in patients with chronic kidney disease. The study involved individuals (n = 816) with chronic kidney disease (CKD) from the 1st to 5th stage of the disease, aged 20 to 76 years. The male to female ratio was 48% and 52%, respectively. All examined individuals underwent a comprehensive clinical and laboratory study evaluating the concentration of interleukins (IL, IL-10, IL-6, TNF-α) and acute phase inflammation proteins (C-reactive protein, fibrinogen) in the blood. CKD categories were evaluated by glomerular filtration rate (GFR), which was calculated using the CKD-EPI formula (Chronic Kidney Disease Epidemiology Collaboration). In individuals with CKD, significantly high concentrations of IL-10 and IL-6 were observed at stage 3b of the disease. Systolic blood pressure, median TNF-α, blood fibrinogen, and the number of individuals with high CRP were significant at stage 4 of CKD. A statistically significant correlation was found between the estimated GFR with the level of IL-6, CRP, blood fibrinogen at the 2nd stage of the disease and the concentration of IL-10 at 3b and TNF-α at the 4th stage of CKD. At the initial stage of CKD, there is a significant relationship between a decrease in estimated GFR and an increase in the level of IL-6, IL-10, TNF-α, as well as an increase in CRP and blood fibrinogen, which becomes pronounced at stages 3b and 4 of CKD.
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Affiliation(s)
- I T Murkamilov
- Kyrgyz State Medical Academy named after I.K. Akhunbaev.,Kyrgyz-Russian slavic university
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11
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Wu TH, Chang LH, Chu CH, Hwu CM, Chen HS, Lin LY. Soluble tumor necrosis factor receptor 2 is associated with progressive diabetic kidney disease in patients with type 2 diabetes mellitus. PLoS One 2022; 17:e0266854. [PMID: 35413081 PMCID: PMC9004780 DOI: 10.1371/journal.pone.0266854] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2021] [Accepted: 03/21/2022] [Indexed: 11/21/2022] Open
Abstract
BACKGROUND Chronic low-grade inflammation is considered one of the major mechanisms for the progression of diabetic kidney disease. We investigated the prognostic value of circulating soluble tumor necrosis factor receptor 2 (sTNFR2) for early nephropathy in patients with type 2 diabetes. MATERIALS AND METHODS A total of 364 patients with type 2 diabetes and an estimated glomerular filtration rate (eGFR) ≥30 mL/min/1.73m2 were followed up for a median of 4 years. Renal outcomes were defined as a composite of either or both a >30% decline in the eGFR and/or albuminuria stage progression determined with consecutive tests. RESULTS Seventy-three patients developed renal composite events. Serum concentrations of sTNFR2 were strongly associated with the risk of renal function decline and progressive changes in albuminuria. Through a receiver operating characteristic curve analysis, a serum sTNFR2 level of 1.608 ng/mL was adopted as the discriminator value for predicting renal outcomes (area under the curve 0.63, 95% confidence interval 0.57-0.70, p < 0.001), yielding a sensitivity of 75.3% and a specificity of 51.2%. The association of sTNFR2 levels ≥1.608 ng/mL to renal outcomes was significant after adjusting for relevant variables (hazard ratio 2.27, 95% confidence interval 1.23-4.20, p = 0.009) and remained consistent across subgroups stratified by age, sex, systolic blood pressure, eGFR, albuminuria, and the use of renin-angiotensin system blockers. CONCLUSIONS Higher circulating levels of sTNFR2 are independently associated with an eGFR decline and progressive albuminuria in patients with type 2 diabetes.
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Affiliation(s)
- Tsung-Hui Wu
- Division of Endocrinology and Metabolism, Department of Medicine, Taipei Veterans General Hospital, Taipei, Taiwan
- Faculty of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan
| | - Li-Hsin Chang
- Division of Endocrinology and Metabolism, Department of Medicine, Yeezen General Hospital, Taoyuan, Taiwan
- Department of Medical Laboratory Science and Biotechnology, Yuanpei University of Medical Technology, Hsinchu, Taiwan
| | - Chia-Huei Chu
- Department of Otorhinolaryngology-Head and Neck Surgery, Mackay Memorial Hospital, Taipei, Taiwan
- Department of Audiology and Speech Language Pathology, Mackay Medical College, New Taipei City, Taiwan
| | - Chii-Min Hwu
- Division of Endocrinology and Metabolism, Department of Medicine, Taipei Veterans General Hospital, Taipei, Taiwan
- Faculty of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan
| | - Harn-Shen Chen
- Division of Endocrinology and Metabolism, Department of Medicine, Taipei Veterans General Hospital, Taipei, Taiwan
- Faculty of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan
| | - Liang-Yu Lin
- Division of Endocrinology and Metabolism, Department of Medicine, Taipei Veterans General Hospital, Taipei, Taiwan
- Faculty of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan
- * E-mail:
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12
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Knudsen L, Lyons JG, O’Dea K, Christensen DL, Brimblecombe JK. Antioxidant biomarkers and cardiometabolic risk markers in an Aboriginal community in remote Australia: a cross-sectional study. Public Health Nutr 2021; 24:4937-4948. [PMID: 33261694 PMCID: PMC11082824 DOI: 10.1017/s1368980020004899] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2020] [Revised: 11/11/2020] [Accepted: 11/26/2020] [Indexed: 11/07/2022]
Abstract
OBJECTIVE High-quality diets, characterised by nutrient-rich foods, are one of the foundations for health and well-being. Indicators of diet quality, antioxidants, are associated with protection against cardiometabolic diseases. The current study explores relationships between plasma antioxidants and cardiometabolic risk among Aboriginal people in Australia. DESIGN As part of a community-driven health promotion programme, we conducted a cross-sectional study including a health-behaviour questionnaire, plasma antioxidants and cardiometabolic risk markers (anthropometric, blood pressure measurements, fasting glucose, glycated Hb (HbA1c), lipids, C-reactive protein and albumin-creatinine-ratio) continuous and categorised into population-specific cut-offs. Antioxidants (β-carotene, β-cryptoxanthin, lycopene, lutein-zeaxanthin, retinol and α-tocopherol measured using HPLC) were applied to a principal component analysis, which aggregated these into a single component. Linear regression models were applied to investigate associations between the antioxidant component and cardiometabolic risk markers. SETTING Community in a remote area in Northern Territory, Australia. PARTICIPANTS A total of 324 Aboriginal people, mean age 35·5 (range 15-75) years. RESULTS Antioxidant component levels were higher among individuals with higher self-reported vegetable intake (P < 0·01), higher among individuals with higher self-reported fruit intake (P = 0·05) and lower among current smokers (P = 0·06). Linear regression revealed an inverse association between the antioxidant component and C-reactive protein (β = -0·01, P < 0·01) after adjusting for confounders. CONCLUSION Higher plasma antioxidant levels, indicators of diet quality, were associated with lower levels of high-sensitivity C-reactive protein in this Aboriginal population in remote Australia. This association suggests plasma antioxidants may be protective against inflammation; however, longitudinal studies are needed to examine this potentially protective relationship.
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Affiliation(s)
- Lenette Knudsen
- Education Department, Steno Diabetes Center Copenhagen, 2820Gentofte, Denmark
| | - Jasmine G Lyons
- Medicine, Dentistry and Health Sciences, University of Melbourne, Melbourne, Australia
| | - Kerin O’Dea
- School of Health Sciences, University of South Australia, Adelaide, Australia
- Medicine, Dentistry and Health Sciences, University of Melbourne, Melbourne, Australia
| | - Dirk L Christensen
- Department of Public Health, University of Copenhagen, Copenhagen, Denmark
| | - Julie K Brimblecombe
- Department of Nutrition, Dietetics and Food, Monash University, Clayton, Australia
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13
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Barutta F, Bellini S, Canepa S, Durazzo M, Gruden G. Novel biomarkers of diabetic kidney disease: current status and potential clinical application. Acta Diabetol 2021; 58:819-830. [PMID: 33528734 DOI: 10.1007/s00592-020-01656-9] [Citation(s) in RCA: 32] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/18/2020] [Accepted: 12/09/2020] [Indexed: 12/12/2022]
Abstract
Diabetic kidney disease (DKD) is a leading cause of end-stage renal disease (ESRD). Although both albuminuria and glomerular filtration rate (GFR) are well-established diagnostic/prognostic biomarkers of DKD, they have important limitations. There is, thus, increasing quest to find novel biomarkers to identify the disease in an early stage and to improve risk stratification. In this review, we will outline the major pitfalls of currently available markers, describe promising novel biomarkers, and discuss their potential clinical relevance. In particular, we will focus on the importance of recent advancements in multi-omic technologies in the discovery of new DKD biomarkers. In addition, we will provide an update on new emerging approaches to explore renal function and structure, using functional tests and imaging.
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Affiliation(s)
- Federica Barutta
- Department of Medical Sciences, University of Turin, Turin, Italy.
| | - Stefania Bellini
- Department of Medical Sciences, University of Turin, Turin, Italy
| | - Silvia Canepa
- Department of Medical Sciences, University of Turin, Turin, Italy
| | - Marilena Durazzo
- Department of Medical Sciences, University of Turin, Turin, Italy
| | - Gabriella Gruden
- Department of Medical Sciences, University of Turin, Turin, Italy
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14
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Verwijmeren L, Bosma M, Vernooij LM, Linde EM, Dijkstra IM, Daeter EJ, Van Dongen EPA, Van Klei WA, Noordzij PG. Associations Between Preoperative Biomarkers and Cardiac Surgery-Associated Acute Kidney Injury in Elderly Patients: A Cohort Study. Anesth Analg 2021; 133:570-577. [PMID: 34153017 DOI: 10.1213/ane.0000000000005650] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
BACKGROUND Acute kidney injury (AKI) is associated with mortality after cardiac surgery. Novel risk factors may improve identification of patients at risk for renal injury. The authors evaluated the association between preoperative biomarkers that reflect cardiac, inflammatory, renal, and metabolic disorders and cardiac surgery-associated AKI (CSA-AKI) in elderly patients. METHODS This was a secondary analysis of the 2-center prospective cohort study "Anesthesia Geriatric Evaluation." Twelve biomarkers were determined preoperatively in 539 patients. Primary outcome was CSA-AKI. The association between biomarkers and CSA-AKI was investigated with multivariable logistic regression analysis. Secondary outcomes were 1-year mortality and patient-reported disability and were assessed with relative risks (RR) between patients with and without CSA-AKI. RESULTS CSA-AKI occurred in 88 (16.3%) patients and was associated with increased risk of mortality (RR, 6.70 [95% confidence interval {CI}, 3.38-13.30]) and disability (RR, 2.13 [95% CI, 1.53-2.95]). Preoperative concentrations of N-terminal pro B-type natriuretic peptide (NT-proBNP), high-sensitive C-reactive protein (hs-CRP), hemoglobin, and magnesium had the strongest association with CSA-AKI. Identification of patients with CSA-AKI improved when a biomarker panel was used (area under the curve [AUC] 0.75 [95% CI, 0.69-0.80]) compared to when only clinical risk factors were used (European System for Cardiac Operative Risk Evaluation [EuroSCORE II] AUC 0.67 [95% CI, 0.62-0.73]). CONCLUSIONS Preoperative cardiac, inflammatory, renal, and metabolic biomarkers are associated with CSA-AKI and may improve identification of patients at risk.
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Affiliation(s)
- Lisa Verwijmeren
- From the Department of Anesthesiology, Intensive Care, and Pain Medicine
| | | | - Lisette M Vernooij
- From the Department of Anesthesiology, Intensive Care, and Pain Medicine
| | - Esther M Linde
- From the Department of Anesthesiology, Intensive Care, and Pain Medicine
| | | | - Edgar J Daeter
- Department of Cardiothoracic Surgery, St. Antonius Hospital, Nieuwegein, the Netherlands
| | | | - Wilton A Van Klei
- Department of Anesthesiology, Intensive Care and Emergency Medicine, University Medical Centre Utrecht, Utrecht University, Utrecht, the Netherlands
| | - Peter G Noordzij
- From the Department of Anesthesiology, Intensive Care, and Pain Medicine
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15
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Majoni SW, Lawton PD, Rathnayake G, Barzi F, Hughes JT, Cass A. Narrative Review of Hyperferritinemia, Iron Deficiency, and the Challenges of Managing Anemia in Aboriginal and Torres Strait Islander Australians With CKD. Kidney Int Rep 2021; 6:501-512. [PMID: 33615076 PMCID: PMC7879094 DOI: 10.1016/j.ekir.2020.10.035] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2020] [Accepted: 10/27/2020] [Indexed: 12/16/2022] Open
Abstract
Aboriginal and Torres Strait Islander Australians (Indigenous Australians) suffer some of the highest rates of chronic kidney disease (CKD) in the world. Among Indigenous Australians in remote areas of the Northern Territory, prevalence rates for renal replacement therapy (RRT) are up to 30 times higher than national prevalence. Anemia among patients with CKD is a common complication. Iron deficiency is one of the major causes. Iron deficiency is also one of the key causes of poor response to the mainstay of anemia therapy with erythropoiesis-stimulating agents (ESAs). Therefore, the effective management of anemia in people with CKD is largely dependent on effective identification and correction of iron deficiency. The current identification of iron deficiency in routine clinical practice is dependent on 2 surrogate markers of iron status: serum ferritin concentration and transferrin saturation (TSAT). However, questions exist regarding the use of serum ferritin concentration in people with CKD because it is an acute-phase reactant that can be raised in the context of acute and chronic inflammation. Serum ferritin concentration among Indigenous Australians receiving RRT is often markedly elevated and falls outside reference ranges within most national and international guidelines for iron therapy for people with CKD. This review explores published data on the challenges of managing anemia in Indigenous people with CKD and the need for future research on the efficacy and safety of treatment of anemia of CKD in patients with high ferritin and evidence iron deficiency.
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Affiliation(s)
- Sandawana William Majoni
- Department of Nephrology, Division of Medicine, Royal Darwin Hospital, Darwin, Northern Territory, Australia
- Flinders University and Northern Territory Medical Program, Royal Darwin Hospital Campus, Darwin, Northern Territory, Australia
- Wellbeing and Preventable Chronic Diseases, Menzies School of Health Research, Charles Darwin University, Northern Territory, Australia
| | - Paul D. Lawton
- Department of Nephrology, Division of Medicine, Royal Darwin Hospital, Darwin, Northern Territory, Australia
- Wellbeing and Preventable Chronic Diseases, Menzies School of Health Research, Charles Darwin University, Northern Territory, Australia
| | - Geetha Rathnayake
- Flinders University and Northern Territory Medical Program, Royal Darwin Hospital Campus, Darwin, Northern Territory, Australia
- Chemical Pathology–Territory Pathology, Department of Health, Northern Territory Government, Northern Territory, Australia
| | - Federica Barzi
- Wellbeing and Preventable Chronic Diseases, Menzies School of Health Research, Charles Darwin University, Northern Territory, Australia
| | - Jaquelyne T. Hughes
- Department of Nephrology, Division of Medicine, Royal Darwin Hospital, Darwin, Northern Territory, Australia
- Wellbeing and Preventable Chronic Diseases, Menzies School of Health Research, Charles Darwin University, Northern Territory, Australia
| | - Alan Cass
- Wellbeing and Preventable Chronic Diseases, Menzies School of Health Research, Charles Darwin University, Northern Territory, Australia
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16
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Majoni SW, Barzi F, Hoy W, MacIsaac RJ, Cass A, Maple-Brown L, Hughes JT. Baseline liver function tests and full blood count indices and their association with progression of chronic kidney disease and renal outcomes in Aboriginal and Torres Strait Islander people: the eGFR follow- up study. BMC Nephrol 2020; 21:523. [PMID: 33261565 PMCID: PMC7709437 DOI: 10.1186/s12882-020-02185-x] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2020] [Accepted: 11/24/2020] [Indexed: 12/14/2022] Open
Abstract
Background Determination of risks for chronic kidney disease (CKD) progression could improve strategies to reduce progression to ESKD. The eGFR Study recruited a cohort of adult Aboriginal and Torres Strait Islander people (Indigenous Australians) from Northern Queensland, Northern Territory and Western Australia, aiming to address the heavy CKD burden experienced within these communities. Methods Using data from the eGFR study, we explored the association of baseline liver function tests (LFTs) (alanine aminotransferase (ALT), alkaline phosphatase (ALP), gamma-glutamyl transpeptidase (GGT), bilirubin and albumin) and full blood count (FBC) indices (white blood cell and red blood cell counts and haemoglobin) with annual eGFR decline and renal outcomes (first of 30% decline in eGFR with a follow-up eGFR < 60 mL/min/1.73 m2, initiation of renal replacement therapy, or renal death). Comparisons of baseline variables across eGFR categories were calculated using analysis of variance and logistic regression as appropriate. Linear and multivariable regression models were used to estimate the annual change in eGFR for changes in FBC indices and LFTs. Cox proportional hazard models were used to estimate the hazard ratio for developing renal outcome for changes in baseline FBC indices and LFTs. Results Of 547 participants, 540 had at least one baseline measure of LFTs and FBC indices. The mean age was 46.1 (14.7) years and 63.6% were female. The median follow-up was 3.1 (IQR 2.8–3.6) years. Annual decline in eGFR was associated with low serum albumin (p < 0.001) and haemoglobin (p = 0.007). After adjustment for age, gender, urine albumin/creatinine ratio, diabetes, BMI, CRP, WHR, alcohol consumption, cholesterol and triglycerides, low serum albumin (p < 0.001), haemoglobin (p = 0.012) and bilirubin (p = 0.011) were associated with annual decline in eGFR. Renal outcomes were inversely associated with serum albumin (p < 0.001), bilirubin (p = 0.012) and haemoglobin (p < 0.001) and directly with GGT (p = 0.007) and ALP (p < 0.001). Other FBC indices and LFTs were not associated with annual decline in eGFR or renal outcomes. Conclusions GGT, ALP, bilirubin, albumin and haemoglobin independently associate with renal outcomes. Contrary to findings from other studies, no association was found between renal outcomes and other FBC indices. These findings may help focus strategies to prevent disease progression in this high-risk population. Supplementary Information The online version contains supplementary material available at 10.1186/s12882-020-02185-x.
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Affiliation(s)
- Sandawana William Majoni
- Department of Nephrology, Division of Medicine, Royal Darwin Hospital, P.O. Box 41326, Casuarina, Darwin, Northern Territory, Australia. .,Flinders University and Northern Territory Medical Program, Royal Darwin Hospital Campus, Darwin, Australia. .,Wellbeing and Preventable Chronic Diseases, Menzies School of Health Research, Charles Darwin University, Darwin, Australia.
| | - Federica Barzi
- Wellbeing and Preventable Chronic Diseases, Menzies School of Health Research, Charles Darwin University, Darwin, Australia
| | - Wendy Hoy
- Centre for Chronic Disease, The University of Queensland, Brisbane, St Lucia, Australia
| | - Richard J MacIsaac
- Baker Heart and Diabetes Institute, Melbourne, Australia.,Department of Medicine, University of Melbourne, Melbourne, Australia.,St. Vincent's Hospital Melbourne, Melbourne, Australia.,Department of Endocrinology & Diabetes, St Vincent's Hospital Melbourne and The University of Melbourne, Fitzroy, Victoria, Australia
| | - Alan Cass
- Wellbeing and Preventable Chronic Diseases, Menzies School of Health Research, Charles Darwin University, Darwin, Australia
| | - Louise Maple-Brown
- Department of Nephrology, Division of Medicine, Royal Darwin Hospital, P.O. Box 41326, Casuarina, Darwin, Northern Territory, Australia.,Wellbeing and Preventable Chronic Diseases, Menzies School of Health Research, Charles Darwin University, Darwin, Australia
| | - Jaquelyne T Hughes
- Department of Nephrology, Division of Medicine, Royal Darwin Hospital, P.O. Box 41326, Casuarina, Darwin, Northern Territory, Australia.,Wellbeing and Preventable Chronic Diseases, Menzies School of Health Research, Charles Darwin University, Darwin, Australia
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17
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Maalmi H, Herder C, Strassburger K, Urner S, Jandeleit-Dahm K, Zaharia OP, Karusheva Y, Bongaerts BWC, Rathmann W, Burkart V, Szendroedi J, Roden M. Biomarkers of Inflammation and Glomerular Filtration Rate in Individuals with Recent-Onset Type 1 and Type 2 Diabetes. J Clin Endocrinol Metab 2020; 105:5900888. [PMID: 32879938 DOI: 10.1210/clinem/dgaa622] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/16/2020] [Accepted: 08/31/2020] [Indexed: 01/06/2023]
Abstract
CONTEXT While inflammation has been associated with kidney function in long-standing diabetes, its possible association in newly diagnosed diabetes is unknown. OBJECTIVE To investigate cross-sectional and prospective associations between biomarkers of inflammation and kidney function in recent-onset diabetes. METHODS The study included individuals with type 1 and type 2 diabetes with known diabetes duration of <1 year from the German Diabetes Study. Baseline serum concentrations of 74 biomarkers were measured using proximity extension assay technology and their associations with estimated glomerular filtration rate (eGFR) and kidney function decline over 5 years were tested using multiple linear and logistic regression analysis. RESULTS The cross-sectional analysis included 165 individuals with type 1 diabetes and 291 with type 2 diabetes. Baseline eGFR was higher in type 1 compared with type 2 diabetes (102 ± 15 vs 90 ± 16 mL/min/1.73 m2; P < 0.0001). After full adjustment for covariates and multiple testing, 7 biomarkers were associated with lower baseline eGFR in type 1 diabetes and 24 were associated with lower baseline eGFR in type 2 diabetes. Among these biomarkers, 6 biomarkers (CD5, CCL23, CST5, IL-10RB, PD-L1, TNFRSF9) were inversely associated with eGFR in both diabetes types. The prospective analysis did not detect associations between inflammatory biomarkers and kidney function decline. No evidence of an interaction between diabetes type and inflammatory biomarkers was found. CONCLUSION Several biomarkers of inflammation associate with lower baseline eGFR in recent-onset type 1 and type 2 diabetes, but do not associate with kidney function loss during the first 5 years after the diagnosis of diabetes.
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Affiliation(s)
- Haifa Maalmi
- Institute for Clinical Diabetology, German Diabetes Center, Leibniz Center for Diabetes Research at Heinrich Heine University, Düsseldorf, Germany
- German Center for Diabetes Research (DZD), München-Neuherberg, Germany
| | - Christian Herder
- Institute for Clinical Diabetology, German Diabetes Center, Leibniz Center for Diabetes Research at Heinrich Heine University, Düsseldorf, Germany
- German Center for Diabetes Research (DZD), München-Neuherberg, Germany
- Division of Endocrinology and Diabetology, Medical Faculty, Heinrich Heine University, Düsseldorf, Germany
| | - Klaus Strassburger
- German Center for Diabetes Research (DZD), München-Neuherberg, Germany
- Institute for Biometrics and Epidemiology, German Diabetes Center, Leibniz Center for Diabetes Research at Heinrich Heine University, Düsseldorf, Germany
| | - Sofia Urner
- Institute for Clinical Diabetology, German Diabetes Center, Leibniz Center for Diabetes Research at Heinrich Heine University, Düsseldorf, Germany
- German Center for Diabetes Research (DZD), München-Neuherberg, Germany
| | - Karin Jandeleit-Dahm
- Institute for Clinical Diabetology, German Diabetes Center, Leibniz Center for Diabetes Research at Heinrich Heine University, Düsseldorf, Germany
- Department of Diabetes, Central Clinical School, Monash University, Melbourne, Australia
| | - Oana-Patricia Zaharia
- Institute for Clinical Diabetology, German Diabetes Center, Leibniz Center for Diabetes Research at Heinrich Heine University, Düsseldorf, Germany
- German Center for Diabetes Research (DZD), München-Neuherberg, Germany
| | - Yanislava Karusheva
- Institute for Clinical Diabetology, German Diabetes Center, Leibniz Center for Diabetes Research at Heinrich Heine University, Düsseldorf, Germany
- German Center for Diabetes Research (DZD), München-Neuherberg, Germany
| | - Brenda Wilhelma Corinna Bongaerts
- German Center for Diabetes Research (DZD), München-Neuherberg, Germany
- Institute for Biometrics and Epidemiology, German Diabetes Center, Leibniz Center for Diabetes Research at Heinrich Heine University, Düsseldorf, Germany
| | - Wolfgang Rathmann
- German Center for Diabetes Research (DZD), München-Neuherberg, Germany
- Institute for Biometrics and Epidemiology, German Diabetes Center, Leibniz Center for Diabetes Research at Heinrich Heine University, Düsseldorf, Germany
| | - Volker Burkart
- Institute for Clinical Diabetology, German Diabetes Center, Leibniz Center for Diabetes Research at Heinrich Heine University, Düsseldorf, Germany
- German Center for Diabetes Research (DZD), München-Neuherberg, Germany
| | - Julia Szendroedi
- Institute for Clinical Diabetology, German Diabetes Center, Leibniz Center for Diabetes Research at Heinrich Heine University, Düsseldorf, Germany
- German Center for Diabetes Research (DZD), München-Neuherberg, Germany
- Division of Endocrinology and Diabetology, Medical Faculty, Heinrich Heine University, Düsseldorf, Germany
| | - Michael Roden
- Institute for Clinical Diabetology, German Diabetes Center, Leibniz Center for Diabetes Research at Heinrich Heine University, Düsseldorf, Germany
- German Center for Diabetes Research (DZD), München-Neuherberg, Germany
- Division of Endocrinology and Diabetology, Medical Faculty, Heinrich Heine University, Düsseldorf, Germany
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18
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Kurth MJ, McBride WT, McLean G, Watt J, Domanska A, Lamont JV, Maguire D, Fitzgerald P, Ruddock MW. Acute kidney injury risk in orthopaedic trauma patients pre and post surgery using a biomarker algorithm and clinical risk score. Sci Rep 2020; 10:20005. [PMID: 33203963 PMCID: PMC7673130 DOI: 10.1038/s41598-020-76929-y] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2020] [Accepted: 10/23/2020] [Indexed: 12/22/2022] Open
Abstract
Acute kidney injury (AKI) after major trauma is associated with increased mortality. The aim of this study was to assess if measurement of blood biomarkers in combination with clinical characteristics could be used to develop a tool to assist clinicians in identifying which orthopaedic trauma patients are at risk of AKI. This is a prospective study of 237 orthopaedic trauma patients who were consecutively scheduled for open reduction and internal fixation of their fracture between May 2012 and August 2013. Clinical characteristics were recorded, and 28 biomarkers were analysed in patient blood samples. Post operatively a combination of H-FABP, sTNFR1 and MK had the highest predictive ability to identify patients at risk of developing AKI (AUROC 0.885). Three clinical characteristics; age, dementia and hypertension were identified in the orthopaedic trauma patients as potential risks for the development of AKI. Combining biomarker data with clinical characteristics allowed us to develop a proactive AKI clinical tool, which grouped patients into four risk categories that were associated with a clinical management regime that impacted patient care, management, length of hospital stay, and efficient use of hospital resources.
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Affiliation(s)
- Mary Jo Kurth
- Randox Laboratories Ltd, 55 Diamond Road, Crumlin, County Antrim, BT29 4QY, Northern Ireland, UK
| | - William T McBride
- Department of Cardiac Anaesthesia, Royal Victoria Hospital, Belfast Health and Social Care Trust, 274 Grosvenor Road, Belfast, BT12 6BA, Northern Ireland, UK
| | - Gavin McLean
- Trauma and Orthopaedics, Craigavon Area Hospital, 68 Lurgan Road, Portadown, Craigavon, BT63 5QQ, Northern Ireland, UK
| | - Joanne Watt
- Randox Laboratories Ltd, 55 Diamond Road, Crumlin, County Antrim, BT29 4QY, Northern Ireland, UK
| | - Anna Domanska
- Randox Laboratories Ltd, 55 Diamond Road, Crumlin, County Antrim, BT29 4QY, Northern Ireland, UK
| | - John V Lamont
- Randox Laboratories Ltd, 55 Diamond Road, Crumlin, County Antrim, BT29 4QY, Northern Ireland, UK
| | - Daniel Maguire
- Randox Laboratories Ltd, 55 Diamond Road, Crumlin, County Antrim, BT29 4QY, Northern Ireland, UK
| | - Peter Fitzgerald
- Randox Laboratories Ltd, 55 Diamond Road, Crumlin, County Antrim, BT29 4QY, Northern Ireland, UK
| | - Mark W Ruddock
- Randox Laboratories Ltd, 55 Diamond Road, Crumlin, County Antrim, BT29 4QY, Northern Ireland, UK.
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Mitrofanova A, Fontanella AM, Merscher S, Fornoni A. Lipid deposition and metaflammation in diabetic kidney disease. Curr Opin Pharmacol 2020; 55:60-72. [PMID: 33137677 DOI: 10.1016/j.coph.2020.09.004] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2020] [Revised: 07/16/2020] [Accepted: 09/09/2020] [Indexed: 12/14/2022]
Abstract
A critical link between metabolic disorders and a form of low-grade systemic and chronic inflammation has been recently established and named 'Metaflammation'. Metaflammation has been recognized as a key mediator of both microvascular and macrovascular complications of diabetes and as a significant contributor to the development of diabetic kidney disease (DKD). The goal of this review is to summarize the contribution of diabetes-induced inflammation and the related signaling pathways to diabetic complications, with a particular focus on how innate immunity and lipid metabolism influence each other.
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Affiliation(s)
- Alla Mitrofanova
- Katz Family Division of Nephrology and Hypertension, Department of Medicine, University of Miami, Miller School of Medicine, Miami, FL, USA; Peggy and Harold Katz Family Drug Discovery Center, University of Miami, Miller School of Medicine, Miami, FL, USA; Department of Surgery, University of Miami, Miller School of Medicine, Miami, FL, USA
| | - Antonio M Fontanella
- Katz Family Division of Nephrology and Hypertension, Department of Medicine, University of Miami, Miller School of Medicine, Miami, FL, USA; Peggy and Harold Katz Family Drug Discovery Center, University of Miami, Miller School of Medicine, Miami, FL, USA
| | - Sandra Merscher
- Katz Family Division of Nephrology and Hypertension, Department of Medicine, University of Miami, Miller School of Medicine, Miami, FL, USA; Peggy and Harold Katz Family Drug Discovery Center, University of Miami, Miller School of Medicine, Miami, FL, USA
| | - Alessia Fornoni
- Katz Family Division of Nephrology and Hypertension, Department of Medicine, University of Miami, Miller School of Medicine, Miami, FL, USA; Peggy and Harold Katz Family Drug Discovery Center, University of Miami, Miller School of Medicine, Miami, FL, USA.
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20
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Liu L, Gao B, Wang J, Yang C, Wu S, Wu Y, Chen S, Li Q, Zhang H, Wang G, Chen M, Zhao MH, Zhang L. Clinical significance of single and persistent elevation of serum high-sensitivity C-reactive protein levels for prediction of kidney outcomes in patients with impaired fasting glucose or diabetes mellitus. J Nephrol 2020; 34:1179-1188. [PMID: 32880885 DOI: 10.1007/s40620-020-00848-4] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2019] [Accepted: 08/18/2020] [Indexed: 10/23/2022]
Abstract
BACKGROUND The association between high-sensitivity C-reactive protein (hs-CRP) and chronic kidney disease remains controversial and long-term longitudinal studies are limited. We aim to investigate the impact of single and persistent elevation of hs-CRP on kidney outcomes. METHODS Our study was based on a subgroup of patients with hyperglycemia from the Kailuan cohort. Patients were divided into three groups according to two consecutive hs-CRP levels: (1) no elevation (twice hs-CRP < 3 mg/L); (2) single elevation (once hs-CRP ≥ 3 mg/L); (3) persistent elevation (twice hs-CRP ≥ 3 mg/L). Kidney outcomes include kidney function decline (glomerular filtration rate [GFR] decline ≥ 30% within two years or doubling of serum c reatinine or development of end stage kidney disease [ESKD]), development and progression of proteinuria. RESULTS Regarding the outcomes of kidney function decline, development and progression of proteinuria, we included 18,665, 11,754 and 1710 patients into analyses, respectively. After 5 years of follow-up, the number of incident cases of kidney function decline, development and progression of proteinuria were 1891, 1337 and 171, respectively. Compared to patients with no elevation of hs-CRP levels, those with persistent but not single elevation of hs-CRP were at higher risk of kidney function decline (hazard ratio [HR] 1.42, 95% confidence interval [CI] 1.23-1.64) and development of proteinuria (1.49, 1.26-1.76), but not progression of proteinuria. The results were consistent with propensity score analysis. CONCLUSION Persistent but not single elevation of hs-CRP was independently associated with increased risk of kidney function decline, and development of proteinuria but not progression in patients with impaired fasting glucose or diabetes.
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Affiliation(s)
- Lili Liu
- Renal Division, Department of Medicine, Peking University First Hospital, 8 Xishiku Street, Xicheng District, Beijing, 100034, China.,Institute of Nephrology, Peking University, Beijing, China.,Key Laboratory of Renal Disease, Ministry of Health of China, Beijing, China.,Key Laboratory of Chronic Kidney Disease Prevention and Treatment, Ministry of Education, Beijing, 100034, China
| | - Bixia Gao
- Renal Division, Department of Medicine, Peking University First Hospital, 8 Xishiku Street, Xicheng District, Beijing, 100034, China.,Institute of Nephrology, Peking University, Beijing, China.,Key Laboratory of Renal Disease, Ministry of Health of China, Beijing, China.,Key Laboratory of Chronic Kidney Disease Prevention and Treatment, Ministry of Education, Beijing, 100034, China
| | - Jinwei Wang
- Renal Division, Department of Medicine, Peking University First Hospital, 8 Xishiku Street, Xicheng District, Beijing, 100034, China.,Institute of Nephrology, Peking University, Beijing, China.,Key Laboratory of Renal Disease, Ministry of Health of China, Beijing, China.,Key Laboratory of Chronic Kidney Disease Prevention and Treatment, Ministry of Education, Beijing, 100034, China
| | - Chao Yang
- Renal Division, Department of Medicine, Peking University First Hospital, 8 Xishiku Street, Xicheng District, Beijing, 100034, China.,Institute of Nephrology, Peking University, Beijing, China.,Key Laboratory of Renal Disease, Ministry of Health of China, Beijing, China.,Key Laboratory of Chronic Kidney Disease Prevention and Treatment, Ministry of Education, Beijing, 100034, China
| | - Shouling Wu
- Department of Cardiology, Kailuan General Hospital Affiliated to North China University of Science and Technology, Tangshan, 063000, China
| | - Yuntao Wu
- Department of Cardiology, Kailuan General Hospital Affiliated to North China University of Science and Technology, Tangshan, 063000, China
| | - Shuohua Chen
- Department of Health Care Center, Kailuan General Hospital Affiliated to North China University of Science and Technology, Tangshan, 063000, China
| | - Qiuyun Li
- Department of Endocrinology, Kailuan General Hospital Affiliated to North China University of Science and Technology, Tangshan, 063000, China
| | - Huifen Zhang
- Department of Laboratory, Kailuan General Hospital Affiliated to North China University of Science and Technology, Tangshan, 063000, China
| | - Guodong Wang
- Department of Cardiology, Kailuan General Hospital Affiliated to North China University of Science and Technology, Tangshan, 063000, China
| | - Min Chen
- Renal Division, Department of Medicine, Peking University First Hospital, 8 Xishiku Street, Xicheng District, Beijing, 100034, China.,Institute of Nephrology, Peking University, Beijing, China.,Key Laboratory of Renal Disease, Ministry of Health of China, Beijing, China.,Key Laboratory of Chronic Kidney Disease Prevention and Treatment, Ministry of Education, Beijing, 100034, China
| | - Ming-Hui Zhao
- Renal Division, Department of Medicine, Peking University First Hospital, 8 Xishiku Street, Xicheng District, Beijing, 100034, China.,Institute of Nephrology, Peking University, Beijing, China.,Key Laboratory of Renal Disease, Ministry of Health of China, Beijing, China.,Key Laboratory of Chronic Kidney Disease Prevention and Treatment, Ministry of Education, Beijing, 100034, China.,Peking-Tsinghua Center for Life Sciences, Beijing, China
| | - Luxia Zhang
- Renal Division, Department of Medicine, Peking University First Hospital, 8 Xishiku Street, Xicheng District, Beijing, 100034, China. .,Institute of Nephrology, Peking University, Beijing, China. .,Key Laboratory of Renal Disease, Ministry of Health of China, Beijing, China. .,Key Laboratory of Chronic Kidney Disease Prevention and Treatment, Ministry of Education, Beijing, 100034, China. .,National Institute of Health Data Science at Peking University, Beijing, China.
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21
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A profile of multiple circulating tumor necrosis factor receptors associated with early progressive kidney decline in Type 1 Diabetes is similar to profiles in autoimmune disorders. Kidney Int 2020; 99:725-736. [PMID: 32717193 DOI: 10.1016/j.kint.2020.07.007] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2020] [Revised: 06/03/2020] [Accepted: 07/02/2020] [Indexed: 12/28/2022]
Abstract
This study comprehensively evaluated the association between known circulating tumor necrosis factor (TNF) superfamily ligands and receptors and the development of early progressive kidney decline (PKD) leading to end-stage kidney disease (ESKD) in Type 1 diabetes. Participants for the study were from the Macro-Albuminuria Study (198 individuals), and the Micro-Albuminuria Study (148 individuals) of the Joslin Kidney Study. All individuals initially had normal kidney function and were followed for seven-fifteen years to determine the slope of the estimate glomerular filtration rate and to ascertain onset of ESKD. Plasma concentrations of 25 TNF superfamily proteins were measured using proximity extension assay applied in the OLINK proteomics platform. In the both studies risk of early PKD, determined as estimated glomerular filtration rate loss greater than or equal to three ml/min/1.73m2/year, was associated with elevated circulating levels of 13 of 19 TNF receptors examined. In the Macro-Albuminuria Study, we obtained similar findings for risk of progression to ESKD. These receptors comprised: TNF-R1A, -R1B, -R3, -R4, -R6, -R6B, -R7, -R10A, -R10B, -R11A, -R14, -R21, and -R27. Serial measurements showed that circulating levels of these TNF receptors had increased before the onset of PKD. In contrast, none of the six measured TNF ligands showed association with risk of early PKD. Of significance, the disease process that underlies PKD leading to ESKD in Type 1 diabetes has a profile also seen in autoimmune disorders. The mechanisms of this enrichment may be causally related to the development of PKD in Type 1 diabetes and must be investigated further. Thus, some of these receptors may be used as new risk predictors of ESKD.
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22
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Cheng D, Fei Y, Saulnier PJ, Wang N. Circulating TNF receptors and risk of renal disease progression, cardiovascular disease events and mortality in patients with diabetes: a systematic review and meta-analysis. Endocrine 2020; 68:32-43. [PMID: 31813103 DOI: 10.1007/s12020-019-02153-y] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/24/2019] [Accepted: 11/27/2019] [Indexed: 12/19/2022]
Abstract
PURPOSE Inflammation plays an important role in the pathogenesis of diabetes complications. This study aims to assess the association between circulating inflammatory biomarkers TNF receptors (TNFRs) and the risk of renal disease progression, cardiovascular disease (CVD) events, and mortality in patients with diabetes. METHODS PubMed and Embase databases were comprehensively searched up to March 2019. Data were extracted independently by two reviewers. A random effects model was performed for the pooled analyses. RESULTS Five studies in 3316 subjects assessed TNFRs with renal disease in patients with type 1 diabetes and showed both TNFR-1 and TNFR-2 were consistently associated with the renal outcomes. Fourteen studies in 7696 subjects evaluated TNFRs in patients with type 2 diabetes. The pooled risk ratio per doubling increase in TNFR-1 and TNFR-2 for renal disease progression was more than two (2.64 [1.98, 3.52] and 2.23 [1.69, 2.94]). The subgroup analyses and sensitivity analyses further illustrated these results of renal outcome and its robustness. Moreover, higher TNFR-1 and TNFR-2 was also significantly associated with CVD events and mortality in patients with type 2 diabetes. CONCLUSIONS Circulating TNFR-1 and TNFR-2 are independently associated with higher risk of renal disease progression, CVD events, and mortality in patients with diabetes and might contribute to the clinical risk assessment in the future.
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Affiliation(s)
- Dongsheng Cheng
- Department of Nephrology, Shanghai Jiaotong University Affiliated Sixth People's Hospital, Shanghai, 200233, PR China
| | - Yang Fei
- Department of Nephrology, Shanghai Jiaotong University Affiliated Sixth People's Hospital, Shanghai, 200233, PR China
| | - Pierre-Jean Saulnier
- Clinical Investigation Center CHU Poitiers, Poitiers, France
- Clinical Investigation Center CIC1402, INSERM, Poitiers, France
- Medical School, University of Poitiers, Poitiers, France
| | - Niansong Wang
- Department of Nephrology, Shanghai Jiaotong University Affiliated Sixth People's Hospital, Shanghai, 200233, PR China.
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23
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Murakoshi M, Gohda T, Suzuki Y. Circulating Tumor Necrosis Factor Receptors: A Potential Biomarker for the Progression of Diabetic Kidney Disease. Int J Mol Sci 2020; 21:ijms21061957. [PMID: 32183005 PMCID: PMC7139523 DOI: 10.3390/ijms21061957] [Citation(s) in RCA: 34] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/29/2020] [Revised: 03/11/2020] [Accepted: 03/11/2020] [Indexed: 02/06/2023] Open
Abstract
Despite considerable advancements in medicine, the optimal treatment for chronic kidney disease (CKD), especially diabetic kidney disease (DKD), remains a major challenge. More patients with DKD succumb to death due to cardiovascular events than due to progression to end-stage renal disease (ESRD). Moreover, patients with DKD and ESRD have remarkably poor prognosis. Current studies have appreciated the contribution of inflammation and inflammatory mediators, such as tumor necrosis factor (TNF)-related biomarkers, on the development/progression of DKD. The present review focuses on molecular roles, serum concentrations of TNF receptors (TNFRs), and their association with increased albuminuria, eGFR decline, and all-cause mortality in diabetes. Experimental studies have suggested that DKD progression occurs through the TNFα–TNFR2 inflammatory pathway. Moreover, serum TNFR levels were positively associated with albuminuria and negatively associated with estimated glomerular filtration rate (eGFR), while circulating levels of TNFRs exhibited an independent effect on all-cause mortality and eGFR decline, including ESRD, even after adjusting for existing risk factors. However, their precise function has yet to be elucidated and requires further studies.
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Affiliation(s)
| | - Tomohito Gohda
- Correspondence: (T.G.); (Y.S.); Tel.: +81-3-5802-1065 (T.G. & Y.S.)
| | - Yusuke Suzuki
- Correspondence: (T.G.); (Y.S.); Tel.: +81-3-5802-1065 (T.G. & Y.S.)
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24
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Barr ELM, Barzi F, Rohit A, Cunningham J, Tatipata S, McDermott R, Hoy WE, Wang Z, Bradshaw PJ, Dimer L, Thompson PL, Brimblecombe J, O'Dea K, Connors C, Burgess P, Guthridge S, Brown A, Cass A, Shaw JE, Maple-Brown L. Performance of cardiovascular risk prediction equations in Indigenous Australians. Heart 2020; 106:1252-1260. [PMID: 31949024 DOI: 10.1136/heartjnl-2019-315889] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/26/2019] [Revised: 12/23/2019] [Accepted: 12/30/2019] [Indexed: 11/04/2022] Open
Abstract
OBJECTIVE To assess the performance of cardiovascular disease (CVD) risk equations in Indigenous Australians. METHODS We conducted an individual participant meta-analysis using longitudinal data of 3618 Indigenous Australians (55% women) aged 30-74 years without CVD from population-based cohorts of the Cardiovascular Risk in IndigenouS People(CRISP) consortium. Predicted risk was calculated using: 1991 and 2008 Framingham Heart Study (FHS), the Pooled Cohorts (PC), GloboRisk and the Central Australian Rural Practitioners Association (CARPA) modification of the FHS equation. Calibration, discrimination and diagnostic accuracy were evaluated. Risks were calculated with and without the use of clinical criteria to identify high-risk individuals. RESULTS When applied without clinical criteria, all equations, except the CARPA-adjusted FHS, underestimated CVD risk (range of percentage difference between observed and predicted CVD risks: -55% to -14%), with underestimation greater in women (-63% to -13%) than men (-47% to -18%) and in younger age groups. Discrimination ranged from 0.66 to 0.72. The CARPA-adjusted FHS equation showed good calibration but overestimated risk in younger people, those without diabetes and those not at high clinical risk. When clinical criteria were used with risk equations, the CARPA-adjusted FHS algorithm scored 64% of those who had CVD events as high risk; corresponding figures for the 1991-FHS were 58% and were 87% for the PC equation for non-Hispanic whites. However, specificity fell. CONCLUSION The CARPA-adjusted FHS CVD risk equation and clinical criteria performed the best, achieving higher combined sensitivity and specificity than other equations. However, future research should investigate whether modifications to this algorithm combination might lead to improved risk prediction.
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Affiliation(s)
- Elizabeth Laurel Mary Barr
- Wellbeing and Preventable Chronic Diseases Division, Menzies School of Health Research Charles Darwin University, Casuarina, Northern Territory, Australia .,Clinical and Population Health, Baker Heart and Diabetes Institute, Melbourne, Victoria, Australia
| | - Federica Barzi
- Wellbeing and Preventable Chronic Diseases Division, Menzies School of Health Research Charles Darwin University, Casuarina, Northern Territory, Australia
| | - Athira Rohit
- Wellbeing and Preventable Chronic Diseases Division, Menzies School of Health Research Charles Darwin University, Casuarina, Northern Territory, Australia
| | - Joan Cunningham
- Wellbeing and Preventable Chronic Diseases Division, Menzies School of Health Research Charles Darwin University, Casuarina, Northern Territory, Australia
| | - Shaun Tatipata
- Wellbeing and Preventable Chronic Diseases Division, Menzies School of Health Research Charles Darwin University, Casuarina, Northern Territory, Australia
| | - Robyn McDermott
- Centre for Chronic Disease Prevention, James Cook University - Cairns Campus, Cairns, Queensland, Australia
| | - Wendy E Hoy
- School of Medicine, University of Queensland, Brisbane, Queensland, Australia
| | - Zhiqiang Wang
- Wellbeing and Preventable Chronic Diseases Division, Menzies School of Health Research Charles Darwin University, Casuarina, Northern Territory, Australia.,School of Medicine, University of Queensland, Brisbane, Queensland, Australia
| | - Pamela June Bradshaw
- Harry Perkins Institute of Medical Research, The University of Western Australia, Perth, Western Australia, Australia
| | - Lyn Dimer
- National Heart Foundation, Perth, Western Australia, Australia
| | - Peter L Thompson
- Harry Perkins Institute of Medical Research, The University of Western Australia, Perth, Western Australia, Australia
| | - Julie Brimblecombe
- Nutrition Dietetics and Food, Monash University, Melbourne, Victoria, Australia
| | - Kerin O'Dea
- Wellbeing and Preventable Chronic Diseases Division, Menzies School of Health Research Charles Darwin University, Casuarina, Northern Territory, Australia.,School of Health Sciences, University of South Australia, Adelaide, South Australia, Australia
| | - Christine Connors
- Primary Health Care Top End Health Services, Northern Territory Department of Health, Casuarina, Northern Territory, Australia
| | - Paul Burgess
- Northern Territory Department of Health, Casuarina, Northern Territory, Australia
| | - Steven Guthridge
- Wellbeing and Preventable Chronic Diseases Division, Menzies School of Health Research Charles Darwin University, Casuarina, Northern Territory, Australia
| | - Alex Brown
- Wardliparingga Aboriginal Research Unit, South Australian Health and Medical Research Institute, Adelaide, South Australia, Australia.,Department of Medicine - Aboriginal Health, University of Adelaide, Adelaide, South Australia, Australia
| | - Alan Cass
- Wellbeing and Preventable Chronic Diseases Division, Menzies School of Health Research Charles Darwin University, Casuarina, Northern Territory, Australia
| | - Jonathan E Shaw
- Clinical and Population Health, Baker Heart and Diabetes Institute, Melbourne, Victoria, Australia
| | - Louise Maple-Brown
- Wellbeing and Preventable Chronic Diseases Division, Menzies School of Health Research Charles Darwin University, Casuarina, Northern Territory, Australia
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25
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McBride WT, Kurth MJ, McLean G, Domanska A, Lamont JV, Maguire D, Watt J, Fitzgerald P, Young I, Joseph J, Ruddock MW. Stratifying risk of acute kidney injury in pre and post cardiac surgery patients using a novel biomarker-based algorithm and clinical risk score. Sci Rep 2019; 9:16963. [PMID: 31740699 PMCID: PMC6861253 DOI: 10.1038/s41598-019-53349-1] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2019] [Accepted: 10/31/2019] [Indexed: 12/22/2022] Open
Abstract
Acute kidney injury (AKI) following cardiac surgery significantly increases morbidity and mortality risks. Improving existing clinical methods of identifying patients at risk of perioperative AKI may advance management and treatment options. This study investigated whether a combination of biomarkers and clinical factors pre and post cardiac surgery could stratify patients at risk of developing AKI. Patients (n = 401) consecutively scheduled for elective cardiac surgery were prospectively studied. Clinical data was recorded and blood samples were tested for 31 biomarkers. Areas under receiver operating characteristic (AUROCs) were generated for biomarkers pre and postoperatively to stratify patients at risk of AKI. Preoperatively sTNFR1 had the highest predictive ability to identify risk of developing AKI postoperatively (AUROC 0.748). Postoperatively a combination of H-FABP, midkine and sTNFR2 had the highest predictive ability to identify AKI risk (AUROC 0.836). Preoperative clinical risk factors included patient age, body mass index and diabetes. Perioperative factors included cardio pulmonary bypass, cross-clamp and operation times, intra-aortic balloon pump, blood products and resternotomy. Combining biomarker risk score (BRS) with clinical risk score (CRS) enabled pre and postoperative assignment of patients to AKI risk categories. Combining BRS with CRS will allow better management of cardiac patients at risk of developing AKI.
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Affiliation(s)
- William T McBride
- Department of Cardiac Anaesthesia, Belfast Health & Social Care Trust, 274 Grosvenor Road, Belfast, BT12 6BA, Northern Ireland, UK
| | - Mary Jo Kurth
- Randox Laboratories Ltd, Clinical Studies Group, 55 Diamond Road, Crumlin, County Antrim, BT29 4QY, Northern Ireland, UK
| | - Gavin McLean
- Department of Cardiac Anaesthesia, Belfast Health & Social Care Trust, 274 Grosvenor Road, Belfast, BT12 6BA, Northern Ireland, UK
| | - Anna Domanska
- Randox Laboratories Ltd, Clinical Studies Group, 55 Diamond Road, Crumlin, County Antrim, BT29 4QY, Northern Ireland, UK
| | - John V Lamont
- Randox Laboratories Ltd, Clinical Studies Group, 55 Diamond Road, Crumlin, County Antrim, BT29 4QY, Northern Ireland, UK
| | - Daniel Maguire
- Randox Laboratories Ltd, Clinical Studies Group, 55 Diamond Road, Crumlin, County Antrim, BT29 4QY, Northern Ireland, UK
| | - Joanne Watt
- Randox Laboratories Ltd, Clinical Studies Group, 55 Diamond Road, Crumlin, County Antrim, BT29 4QY, Northern Ireland, UK
| | - Peter Fitzgerald
- Randox Laboratories Ltd, Clinical Studies Group, 55 Diamond Road, Crumlin, County Antrim, BT29 4QY, Northern Ireland, UK
| | - Ian Young
- School of Medicine, Dentistry and Biomedical Sciences, Queen's University of Belfast, 97 Lisburn Road, Health Sciences Building, Belfast, BT9 7BL, Northern Ireland, UK
| | - Jijin Joseph
- Department of Cardiac Anaesthesia, Belfast Health & Social Care Trust, 274 Grosvenor Road, Belfast, BT12 6BA, Northern Ireland, UK
| | - Mark W Ruddock
- Randox Laboratories Ltd, Clinical Studies Group, 55 Diamond Road, Crumlin, County Antrim, BT29 4QY, Northern Ireland, UK.
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26
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MacIsaac RJ, Farag M, Obeyesekere V, Clarke M, Boston R, Ward GM, Jerums G, Ekinci EI. Changes in soluble tumor necrosis factor receptor type 1 levels and early renal function decline in patients with diabetes. J Diabetes Investig 2019; 10:1537-1542. [PMID: 30989829 PMCID: PMC6825941 DOI: 10.1111/jdi.13061] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/03/2019] [Revised: 04/01/2019] [Accepted: 04/14/2019] [Indexed: 12/19/2022] Open
Abstract
The relationship between serial changes in soluble tumor necrosis factor receptor type 1 (TNFR1) levels and an early decline in estimated glomerular filtration rate (eGFR) decline remains to be defined. We found that in patients with an early decline in renal function (n = 30), soluble TNFR1 values increased (2,595 ± 683 vs 3,596 ± 1,203 pg/mL, P < 0.001) as eGFR decreased (89 ± 1 vs 51 ± 2 mL/min/1.73m2 , P < 0.001) over an 8-year period. In contrast, there were no significant changes in soluble TNFR1 levels in patients with stable renal function (n = 17). In a multilevel mixed effects regression model, changes in soluble TNFR1 levels were found to be independently associated with eGFR decline (Z = -4.31, P < 0.001). An early decline in eGFR is associated with an increase in soluble TNFR levels; however, the factors driving this increase and the possible pathological role that soluble TNFR1 plays in progressive diabetic kidney disease remain to be determined.
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Affiliation(s)
- Richard J MacIsaac
- Department of Endocrinology and DiabetesSt Vincent's Hospital MelbourneMelbourneVictoriaAustralia
- Department of MedicineUniversity of MelbourneMelbourneVictoriaAustralia
| | - Matthew Farag
- Department of Endocrinology and DiabetesSt Vincent's Hospital MelbourneMelbourneVictoriaAustralia
- Department of MedicineUniversity of MelbourneMelbourneVictoriaAustralia
| | - Varuni Obeyesekere
- Department of Endocrinology and DiabetesSt Vincent's Hospital MelbourneMelbourneVictoriaAustralia
| | - Michele Clarke
- Department of MedicineUniversity of MelbourneMelbourneVictoriaAustralia
- Endocrine CenterAustin HealthMelbourneVictoriaAustralia
| | - Ray Boston
- Department of Endocrinology and DiabetesSt Vincent's Hospital MelbourneMelbourneVictoriaAustralia
- Department of MedicineUniversity of MelbourneMelbourneVictoriaAustralia
| | - Glenn M Ward
- Department of Endocrinology and DiabetesSt Vincent's Hospital MelbourneMelbourneVictoriaAustralia
- Department of MedicineUniversity of MelbourneMelbourneVictoriaAustralia
- Clinical ChemistrySt Vincent's Hospital MelbourneMelbourneVictoriaAustralia
| | - George Jerums
- Department of MedicineUniversity of MelbourneMelbourneVictoriaAustralia
- Endocrine CenterAustin HealthMelbourneVictoriaAustralia
| | - Elif I Ekinci
- Department of MedicineUniversity of MelbourneMelbourneVictoriaAustralia
- Endocrine CenterAustin HealthMelbourneVictoriaAustralia
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27
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Ye X, Luo T, Wang K, Wang Y, Yang S, Li Q, Hu J. Circulating TNF receptors 1 and 2 predict progression of diabetic kidney disease: A meta-analysis. Diabetes Metab Res Rev 2019; 35:e3195. [PMID: 31207020 DOI: 10.1002/dmrr.3195] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/07/2019] [Revised: 04/02/2019] [Accepted: 06/03/2019] [Indexed: 01/08/2023]
Abstract
BACKGROUND We conducted a meta-analysis to investigate the association of circulating tumor necrosis factor-1 (TNFR-1) and TNFR-2 with diabetic kidney disease (DKD) progression, which is the first-ever quantitative analysis of these associations thus far. Whether TNFRs were better than albumin-creatinine ratio (ACR) in predicting DKD progression was also explored. METHODS A systematic search of the PubMed, EMBASE, and Cochrane Library databases up to 1 February 2018, was conducted. The main outcome was DKD progression, which was defined as eGFR decline, macroalbuminuria, or incidence of DKD-related events. Eligible studies were included for pooled analysis using either fixed-effects or random-effects models to incorporate between-study variation by different measurement standards. Publication bias was evaluated using Egger's test. RESULTS The meta-analysis included 6526 participants from 11 cohorts with circulating TNFR-1 measurements and 5385 participants from 10 prospective studies with circulating TNFR-2 measurements. Compared with the lowest level category, diabetic patients with the highest TNFR-1 or TNFR-2 level category exhibited a higher risk of DKD progression (RR 2.51, 95% CI [1.92-3.27] for TNFR-1; 3.23 [1.99-5.26] for TNFR-2). The risk of DKD progression was also increased with the per unit increment of TNFR-1 or TNFR-2 (1.68 [1.43-1.97] for TNFR-1; 1.69 [1.31-2.17] for TNFR-2). Although existing studies did not support a direct comparison between ACR and TNFRs, it was undeniable that TNFRs could improve the predictive value in DKD progression. CONCLUSIONS Circulating TNFR-1 and TNFR-2 are reliable predictors of DKD progression. Whether TNFRs are better than ACR at predicting DKD progression needs to be further investigated.
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Affiliation(s)
- Xiaoqi Ye
- Department of Endocrinology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Ting Luo
- Department of Endocrinology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Kanran Wang
- Department of Endocrinology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Yue Wang
- Department of Endocrinology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Shumin Yang
- Department of Endocrinology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Qifu Li
- Department of Endocrinology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Jinbo Hu
- Department of Endocrinology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
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28
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Xiang AS, Ekinci EI, MacIsaac RJ. Inflammatory proteins in diabetic kidney disease-potential as biomarkers and therapeutic targets. ANNALS OF TRANSLATIONAL MEDICINE 2019; 7:S243. [PMID: 31656822 DOI: 10.21037/atm.2019.08.20] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Angie S Xiang
- Central Clinical School, Monash University, Victoria, Australia
| | - Elif I Ekinci
- Endocrine Center, Austin Health, Melbourne, Victoria, Australia.,Department of Medicine, University of Melbourne, Melbourne, Victoria, Australia
| | - Richard J MacIsaac
- Department of Medicine, University of Melbourne, Melbourne, Victoria, Australia.,Department of Endocrinology & Diabetes, St Vincent's Hospital Melbourne, Victoria, Australia
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29
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Niewczas MA, Pavkov ME, Skupien J, Smiles A, Md Dom ZI, Wilson JM, Park J, Nair V, Schlafly A, Saulnier PJ, Satake E, Simeone CA, Shah H, Qiu C, Looker HC, Fiorina P, Ware CF, Sun JK, Doria A, Kretzler M, Susztak K, Duffin KL, Nelson RG, Krolewski AS. A signature of circulating inflammatory proteins and development of end-stage renal disease in diabetes. Nat Med 2019; 25:805-813. [PMID: 31011203 PMCID: PMC6508971 DOI: 10.1038/s41591-019-0415-5] [Citation(s) in RCA: 254] [Impact Index Per Article: 50.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2018] [Accepted: 03/07/2019] [Indexed: 12/20/2022]
Abstract
Chronic inflammation is postulated to be involved in development of end stage renal disease (ESRD) in diabetes, but which specific circulating inflammatory proteins contribute to this risk remains unknown. To study this we examined 194 circulating inflammatory proteins in subjects from three independent cohorts with Type 1 and Type 2 diabetes. In each cohort we identified an extremely robust Kidney Risk Inflammatory Signature (KRIS) consisting of 17 novel proteins enriched for TNF Receptor Superfamily members that was associated with a 10-year risk of ESRD. All these proteins had a systemic, non-kidney source. Our prospective study findings provide strong evidence that KRIS proteins contribute to the inflammatory process underlying ESRD development in both types of diabetes. These proteins may be used as new therapeutic targets, new prognostic tests for high risk of ESRD and as surrogate outcome measures where changes in KRIS levels during intervention can reflect the tested therapy’s effectiveness. Proteomic profiling of circulating proteins in subjects from three independent cohorts with type 1 and type 2 diabetes, identified an extremely robust inflammatory signature, consisting of 17 proteins enriched for TNF Receptor Superfamily members that was associated with a 10-year risk of end-stage renal disease.
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Affiliation(s)
- Monika A Niewczas
- Research Division, Joslin Diabetes Center, Boston, MA, USA. .,Department of Medicine, Harvard Medical School, Boston, MA, USA.
| | - Meda E Pavkov
- Division of Diabetes Translation, Centers for Disease Control and Prevention, Atlanta, GA, USA
| | - Jan Skupien
- Research Division, Joslin Diabetes Center, Boston, MA, USA.,Department of Metabolic Diseases, Jagiellonian University Medical College, Krakow, Poland
| | - Adam Smiles
- Research Division, Joslin Diabetes Center, Boston, MA, USA
| | - Zaipul I Md Dom
- Research Division, Joslin Diabetes Center, Boston, MA, USA.,Department of Medicine, Harvard Medical School, Boston, MA, USA
| | - Jonathan M Wilson
- Diabetes and Complications Department, Lilly Research Laboratories, Eli Lilly and Company, Indianapolis, IN, USA
| | - Jihwan Park
- Renal Electrolyte and Hypertension Division, Department of Medicine, Department of Genetics, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Viji Nair
- Nephrology/Internal Medicine and Computational Medicine and Bioinformatics, University of Michigan, Ann Arbor, MI, USA
| | | | - Pierre-Jean Saulnier
- Chronic Kidney Disease Section, National Institute of Diabetes and Digestive and Kidney Diseases, Phoenix, AZ, USA.,CHU Poitiers, University of Poitiers, Inserm, Clinical Investigation Center CIC1402, Poitiers, France
| | - Eiichiro Satake
- Research Division, Joslin Diabetes Center, Boston, MA, USA.,Department of Medicine, Harvard Medical School, Boston, MA, USA
| | | | - Hetal Shah
- Research Division, Joslin Diabetes Center, Boston, MA, USA.,Department of Medicine, Harvard Medical School, Boston, MA, USA
| | - Chengxiang Qiu
- Renal Electrolyte and Hypertension Division, Department of Medicine, Department of Genetics, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Helen C Looker
- Chronic Kidney Disease Section, National Institute of Diabetes and Digestive and Kidney Diseases, Phoenix, AZ, USA
| | - Paolo Fiorina
- Nephrology Division, Boston Children's Hospital, Harvard Medical School, Boston, MA, USA.,Romeo ed Enrica Invernizzi Pediatric Center, Department of Biomedical and Clinical Science L. Sacco, University of Milan, Milan, Italy
| | - Carl F Ware
- Infectious and Inflammatory Disease Center, Sanford Burnham Prebys Medical Discovery Institute, La Jolla, CA, USA
| | - Jennifer K Sun
- Research Division, Joslin Diabetes Center, Boston, MA, USA.,Department of Medicine, Harvard Medical School, Boston, MA, USA
| | - Alessandro Doria
- Research Division, Joslin Diabetes Center, Boston, MA, USA.,Department of Medicine, Harvard Medical School, Boston, MA, USA
| | - Matthias Kretzler
- Nephrology/Internal Medicine and Computational Medicine and Bioinformatics, University of Michigan, Ann Arbor, MI, USA
| | - Katalin Susztak
- Renal Electrolyte and Hypertension Division, Department of Medicine, Department of Genetics, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Kevin L Duffin
- Diabetes and Complications Department, Lilly Research Laboratories, Eli Lilly and Company, Indianapolis, IN, USA
| | - Robert G Nelson
- Chronic Kidney Disease Section, National Institute of Diabetes and Digestive and Kidney Diseases, Phoenix, AZ, USA
| | - Andrzej S Krolewski
- Research Division, Joslin Diabetes Center, Boston, MA, USA. .,Department of Medicine, Harvard Medical School, Boston, MA, USA.
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Abstract
BACKGROUND This study aimed to analyze the scientific outputs of diabetic kidney disease (DKD) research and explore its hotspots and frontiers from 2000 to 2017, using bibliometric methods. METHODS Articles in DKD research between 2000 and 2017 were retrieved from the Web of Science Core Collection (WoSCC). We used the VOSviewer 1.6.8 and CiteSpace 5.2 to analyze publication years, journals, countries, institutions, authors, references, and keywords. Keywords with citation bursts were used to analyze the research hotspots and emerging trends. RESULTS We identified 27,577 publications in DKD research from 2000 to 2017. The annual publication number increased with time. Nephrology Dialysis Transplantation published the highest number of articles. The United States was the most influential country with most publications and collaborations with other countries. Harvard University was the leading institute. Parving had the most cited publications. Keywords analysis indicated that the renin-angiotensin system inhibition used to be the most prevalent research topic, while recent research hotspots were podocyte, inflammation, and biomarker. The biomarkers for DKD screening, diagnosis, and prognosis could be a research frontier. CONCLUSIONS The number of DKD related publications rapidly increased over the past 2 decades. Our study revealed the structure, hotspots, and evolution trends of DKD research. Further studies and more collaborations are needed.
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Affiliation(s)
- Lu-Xi Zou
- School of Management, Zhejiang University, Hangzhou, Zhejiang
| | - Ling Sun
- Department of Nephrology, Xuzhou Central Hospital, Medical College of Southeast University, Xuzhou, Jiangsu, China
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