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Radić J, Vučković M, Đogaš H, Gelemanović A, Belančić A, Radić M. Are There Differences in Skin Autofluorescence-Measured Advanced Glycation End-Product Levels between Chronic Kidney Disease and Kidney Transplant Recipients? Diagnostics (Basel) 2024; 14:1383. [PMID: 39001272 PMCID: PMC11240785 DOI: 10.3390/diagnostics14131383] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2024] [Revised: 06/18/2024] [Accepted: 06/26/2024] [Indexed: 07/16/2024] Open
Abstract
The aim of this cross-sectional study was to evaluate the differences in the levels of advanced glycation end products (AGE) between patients with chronic kidney disease (CKD) and kidney transplant recipients (KTRs) and to investigate the risk factors for the AGE levels in each group of these patients. There were 217 participants total, of which 99 (45.6%) were KTRs and 118 (54.4%) had CKD. Data on the levels of AGE, body mass composition, anthropometric parameters, central and peripheral blood pressure, and clinical and laboratory parameters were gathered for each study participant. The AGE values of the CKD and KTRs groups did not differ from one another. In both groups, a lower estimated glomerular filtration rate, male sex, and older age were positive predictors for increased AGE values. Furthermore, higher levels of AGE were linked to lower central systolic blood pressure (cSBP) in the CKD group, whilst, in the KTRs group, higher levels of AGE were linked to a shorter time since kidney transplantation (KTx), more years of dialysis prior to KTx, lower levels of trunk visceral fat, the presence of arterial hypertension, and the absence of prescriptions for the antihypertensive medications urapidil and angiotensin II receptor blockers. Further studies are needed to better understand the above associations. Consequently, a personalised multidisciplinary approach to assess the cardiovascular as well as dietary and lifestyle risk factors to reduce the AGE levels in both KTRs and CKD patients may be implemented.
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Affiliation(s)
- Josipa Radić
- Department of Internal Medicine, Division of Nephrology and Dialysis, University Hospital of Split, 21000 Split, Croatia
- Department of Internal Medicine, School of Medicine, University of Split, 21000 Split, Croatia
| | - Marijana Vučković
- Department of Internal Medicine, Division of Nephrology and Dialysis, University Hospital of Split, 21000 Split, Croatia
| | - Hana Đogaš
- Department of Internal Medicine, Division of Nephrology and Dialysis, University Hospital of Split, 21000 Split, Croatia
| | - Andrea Gelemanović
- Mediterranean Institute for Life Sciences (MedILS), 21000 Split, Croatia
| | - Andrej Belančić
- Department of Clinical Pharmacology, Clinical Hospital Centre Rijeka, Krešimirova 42, 51000 Rijeka, Croatia
- Department of Basic and Clinical Pharmacology with Toxicology, Faculty of Medicine, University of Rijeka, Braće Branchetta 20, 51000 Rijeka, Croatia
| | - Mislav Radić
- Department of Internal Medicine, School of Medicine, University of Split, 21000 Split, Croatia
- Department of Internal Medicine, Division of Rheumatology, Allergology and Clinical Immunology, University Hospital of Split, 21000 Split, Croatia
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Etaee F, Naguib T, Goldust M, Daveluy S, Maibach H. Role of skin autofluorescence in managing renal and cardiac diseases in outpatient dermatology. Skin Res Technol 2022; 28:889-905. [PMID: 36305176 PMCID: PMC9907660 DOI: 10.1111/srt.13211] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2022] [Accepted: 09/26/2022] [Indexed: 11/28/2022]
Abstract
INTRODUCTION The accumulation of tissue-advanced glycation end products in skin results from complex and consecutive reactions and can be measured by skin autofluorescence (SAF) reader devices. This overview discusses studies evaluating the utilization of SAF in screening renal and cardiac disease. MATERIALS AND METHODS Literature search was performed using Google Scholar, PubMed, Springer, Ovid, and ScienceDirect. RESULTS SAF was an independent predictor of progression of chronic kidney disease (CKD) and was elevated in subjects on hemodialysis and peritoneal dialysis. Furthermore, SAF was significantly associated with cardiovascular events, cardiovascular mortality, and all-cause mortality in CKD patients. Other studies revealed a correlation between SAF and arterial stiffness, vascular damage, and subclinical atherosclerosis. A vegetarian diet was associated with lower SAF levels, whereas malnutrition was correlated with higher levels and increased mortality. CONCLUSIONS SAF measurement may be useful in managing renal and cardiac disease. Future studies are needed to clarify the specific role of SAF in the management of CKD and its noninvasive office utilization to identify comorbidities in inflammatory diseases, such as psoriasis.
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Affiliation(s)
- Farshid Etaee
- Department of Medicine Yale University New Haven Connecticut USA
| | - Tarek Naguib
- Department of Medicine Texas Tech Health Sciences Center Amarillo Texas USA
| | | | - Steven Daveluy
- Department of Dermatology Wayne State University Detroit Michigan USA
| | - Howard Maibach
- Department of Dermatology University of California San Francisco San Francisco California USA
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Dodig Novaković M, Lovrić Kojundžić S, Radić M, Vučković M, Gelemanović A, Roguljić M, Kovačević K, Orešković J, Radić J. Number of Teeth and Nutritional Status Parameters Are Related to Intima-Media Thickness in Dalmatian Kidney Transplant Recipients. J Pers Med 2022; 12:jpm12060984. [PMID: 35743767 PMCID: PMC9225251 DOI: 10.3390/jpm12060984] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2022] [Revised: 05/31/2022] [Accepted: 06/14/2022] [Indexed: 12/01/2022] Open
Abstract
Although kidney transplantation significantly improves the quality of life of patients with end-stage renal disease (ESRD), the prevalence of cardiovascular disease (CVD) in kidney transplant recipients (KTRs) remains high. Atherosclerosis, post-transplantation metabolic changes, immunosuppressive therapy, and periodontitis contribute to elevated cardiovascular risk in this population. The aim of the study was to evaluate carotid intima-media thickness (IMT) as a surrogate marker of atherosclerosis and to analyze the possible risk factors for IMT in Dalmatian KTRs. Ninety-three KTRs were included in this study. Data on clinical and laboratory parameters, body composition, anthropometry, advanced glycation end-product (AGE) measurements, blood pressure, and arterial stiffness were collected. All participants underwent ultrasound examination of IMT and evaluation of periodontal status. KTRs with carotid IMT ≥ 0.9 were significantly older, had a lower level of total cholesterol, fat mass, end-diastolic velocity (EDV), and had fewer teeth. They also had significantly higher values of pulse wave velocity (PWV) and resistive index (RI). We found positive correlations between carotid IMT and duration of dialysis, age, PWV, AGE, RI, and average total clinical attachment level (CAL). The regression model showed that IMT in KTRs is associated with higher PWV, lower fat mass, and fewer teeth. The results of our study suggest that nutritional and periodontal status are associated with carotid IMT in KTRs.
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Affiliation(s)
| | - Sanja Lovrić Kojundžić
- Department of Diagnostic and Interventional Radiology, University Hospital of Split, 21000 Split, Croatia;
- School of Medicine, University of Split, 21000 Split, Croatia
- Department of Health Studies, University of Split, 21000 Split, Croatia
| | - Mislav Radić
- Department of Internal Medicine, Division of Clinical Immunology and Rheumatology, University Hospital of Split, 21000 Split, Croatia;
- Department of Internal Medicine, School of Medicine, University of Split, 21000 Split, Croatia
| | - Marijana Vučković
- Department of Nephrology and Dialysis, University Hospital of Split, 21000 Split, Croatia;
| | - Andrea Gelemanović
- Biology of Robusteness Group, Mediterranean Institute for Life Sciences (MedILS), 21000 Split, Croatia;
| | - Marija Roguljić
- Department of Oral Medicine and Periodontology, School of Medicine, Study of Dental Medicine, University of Split, 21000 Split, Croatia;
| | | | - Josip Orešković
- Private Dental Practice Josip Orešković, 34000 Požega, Croatia;
| | - Josipa Radić
- Department of Internal Medicine, School of Medicine, University of Split, 21000 Split, Croatia
- Department of Nephrology and Dialysis, University Hospital of Split, 21000 Split, Croatia;
- Correspondence:
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Steenbeke M, Speeckaert R, Desmedt S, Glorieux G, Delanghe JR, Speeckaert MM. The Role of Advanced Glycation End Products and Its Soluble Receptor in Kidney Diseases. Int J Mol Sci 2022; 23:ijms23073439. [PMID: 35408796 PMCID: PMC8998875 DOI: 10.3390/ijms23073439] [Citation(s) in RCA: 27] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2022] [Revised: 03/20/2022] [Accepted: 03/21/2022] [Indexed: 02/06/2023] Open
Abstract
Patients with chronic kidney disease (CKD) are more prone to oxidative stress and chronic inflammation, which may lead to an increase in the synthesis of advanced glycation end products (AGEs). Because AGEs are mostly removed by healthy kidneys, AGE accumulation is a result of both increased production and decreased kidney clearance. On the other hand, AGEs may potentially hasten decreasing kidney function in CKD patients, and are independently related to all-cause mortality. They are one of the non-traditional risk factors that play a significant role in the underlying processes that lead to excessive cardiovascular disease in CKD patients. When AGEs interact with their cell-bound receptor (RAGE), cell dysfunction is initiated by activating nuclear factor kappa-B (NF-κB), increasing the production and release of inflammatory cytokines. Alterations in the AGE-RAGE system have been related to the development of several chronic kidney diseases. Soluble RAGE (sRAGE) is a decoy receptor that suppresses membrane-bound RAGE activation and AGE-RAGE-related toxicity. sRAGE, and more specifically, the AGE/sRAGE ratio, may be promising tools for predicting the prognosis of kidney diseases. In the present review, we discuss the potential role of AGEs and sRAGE as biomarkers in different kidney pathologies.
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Affiliation(s)
- Mieke Steenbeke
- Nephrology Unit, Department of Internal Medicine and Pediatrics, Ghent University Hospital, 9000 Ghent, Belgium; (M.S.); (S.D.); (G.G.)
| | - Reinhart Speeckaert
- Department of Dermatology, Ghent University Hospital, 9000 Ghent, Belgium;
- Research Foundation Flanders, 1000 Brussels, Belgium
| | - Stéphanie Desmedt
- Nephrology Unit, Department of Internal Medicine and Pediatrics, Ghent University Hospital, 9000 Ghent, Belgium; (M.S.); (S.D.); (G.G.)
| | - Griet Glorieux
- Nephrology Unit, Department of Internal Medicine and Pediatrics, Ghent University Hospital, 9000 Ghent, Belgium; (M.S.); (S.D.); (G.G.)
| | - Joris R. Delanghe
- Department of Diagnostic Sciences, Ghent University, 9000 Ghent, Belgium;
| | - Marijn M. Speeckaert
- Nephrology Unit, Department of Internal Medicine and Pediatrics, Ghent University Hospital, 9000 Ghent, Belgium; (M.S.); (S.D.); (G.G.)
- Research Foundation Flanders, 1000 Brussels, Belgium
- Correspondence:
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Baskal S, Post A, Kremer D, Bollenbach A, Bakker SJL, Tsikas D. Urinary excretion of amino acids and their advanced glycation end-products (AGEs) in adult kidney transplant recipients with emphasis on lysine: furosine excretion is associated with cardiovascular and all-cause mortality. Amino Acids 2021; 53:1679-1693. [PMID: 34693489 PMCID: PMC8592953 DOI: 10.1007/s00726-021-03091-8] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2021] [Accepted: 10/08/2021] [Indexed: 12/22/2022]
Abstract
Arginine (Arg) and lysine (Lys) moieties of proteins undergo various post-translational modifications (PTM) including enzymatic NG- and Nε-methylation and non-enzymatic NG- and Nε-glycation. In a large cohort of stable kidney transplant recipients (KTR, n = 686), high plasma and low urinary concentrations of asymmetric dimethylarginine (ADMA), an abundant PTM metabolite of Arg, were associated with cardiovascular and all-cause mortality. Thus, the prediction of the same biomarker regarding mortality may depend on the biological sample. In another large cohort of stable KTR (n = 555), higher plasma concentrations of Nε-carboxymethyl-lysine (CML) and Nε-carboxyethyl-lysine (CEL), two advanced glycation end-products (AGEs) of Lys, were associated with higher cardiovascular mortality. Yet, the associations of urinary AGEs with mortality are unknown. In the present study, we measured 24 h urinary excretion of Lys, CML, and furosine in 630 KTR and 41 healthy kidney donors before and after donation. Our result indicate that lower urinary CML and lower furosine excretion rates are associated with higher mortality in KTR, thus resembling the associations of ADMA. Lower furosine excretion rates were also associated with higher cardiovascular mortality. The 24 h urinary excretion rate of amino acids and their metabolites decreased post-donation (varying as little as − 24% for CEL, and as much as − 62% for ADMA). For most amino acids, the excretion rate was lower in KTR than in donors pre-donation [except for S-(1-carboxyethyl)-l-cysteine (CEC) and NG-carboxyethylarginine (CEA)]. Simultaneous GC–MS measurement of free amino acids, their PTM metabolites and AGEs in urine is a non-invasive approach in kidney transplantation.
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Affiliation(s)
- Svetlana Baskal
- Core Unit Proteomics, Institute of Toxicology, Hannover Medical School, Carl-Neuberg-Strasse 1, 30625, Hannover, Germany
| | - Adrian Post
- Division of Nephrology, Department of Internal Medicine, University Medical Center Groningen and University of Groningen, Groningen, The Netherlands
| | - Daan Kremer
- Division of Nephrology, Department of Internal Medicine, University Medical Center Groningen and University of Groningen, Groningen, The Netherlands
| | - Alexander Bollenbach
- Core Unit Proteomics, Institute of Toxicology, Hannover Medical School, Carl-Neuberg-Strasse 1, 30625, Hannover, Germany
| | - Stephan J L Bakker
- Division of Nephrology, Department of Internal Medicine, University Medical Center Groningen and University of Groningen, Groningen, The Netherlands
| | - Dimitrios Tsikas
- Core Unit Proteomics, Institute of Toxicology, Hannover Medical School, Carl-Neuberg-Strasse 1, 30625, Hannover, Germany.
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Bronowicka-Szydełko A, Krzystek-Korpacka M, Gacka M, Pietkiewicz J, Jakobsche-Policht U, Gamian A. Association of Novel Advanced Glycation End-Product (AGE10) with Complications of Diabetes as Measured by Enzyme-Linked Immunosorbent Assay. J Clin Med 2021; 10:jcm10194499. [PMID: 34640517 PMCID: PMC8509253 DOI: 10.3390/jcm10194499] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2021] [Revised: 09/24/2021] [Accepted: 09/26/2021] [Indexed: 02/06/2023] Open
Abstract
Advanced glycation end-products (AGEs) contribute to vascular complications and organ damage in diabetes. The unique AGE epitope (AGE10) has recently been identified in human serum using synthetic melibiose-derived AGE (MAGE). We aimed at developing ELISA for AGE10 quantification, determining whether AGE10 is present in diabetic patients (n = 82), and evaluating its association with diabetic complications. In a competitive ELISA developed, the reaction of synthetic MAGE with anti-MAGE was inhibited by physiological AGE10 present in serum. In this assay, new murine IgE anti-MAGE monoclonal antibodies, which do not recognize conventional AGEs, a synthetic MAGE used to coat the plate, and LMW-MAGE (low molecular mass MAGE) necessary to plot a standard curve were used. AGE10 was significantly higher in patients with microangiopathy, in whom it depended on treatment, being lower in patients treated with aspirin. AGE10 levels were positively correlated with estimated glomerular filtration rate (eGFR) and negatively with creatinine. As a marker of stage ≥3 chronic kidney disease or microangiopathy, AGE10 displayed moderate overall accuracy (respectively, 69% and 71%) and good sensitivity (82.6% and 83.3%) but poor specificity (58.1% and 57.8%). In conclusion, newly developed immunoassay allows for AGE10 quantification. AGE10 elevation is associated with microangiopathy while its decrease accompanies stage ≥3 chronic kidney disease.
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Affiliation(s)
- Agnieszka Bronowicka-Szydełko
- Department of Biochemistry and Immunochemistry, Wroclaw Medical University, 50-368 Wroclaw, Poland; (M.K.-K.); (J.P.)
- Correspondence:
| | - Małgorzata Krzystek-Korpacka
- Department of Biochemistry and Immunochemistry, Wroclaw Medical University, 50-368 Wroclaw, Poland; (M.K.-K.); (J.P.)
| | - Małgorzata Gacka
- Department of Angiology, Diabetes and Hypertension, Wroclaw Medical University, 50-556 Wroclaw, Poland; (M.G.); (U.J.-P.)
| | - Jadwiga Pietkiewicz
- Department of Biochemistry and Immunochemistry, Wroclaw Medical University, 50-368 Wroclaw, Poland; (M.K.-K.); (J.P.)
| | - Urszula Jakobsche-Policht
- Department of Angiology, Diabetes and Hypertension, Wroclaw Medical University, 50-556 Wroclaw, Poland; (M.G.); (U.J.-P.)
| | - Andrzej Gamian
- Laboratory of Medical Microbiology, Institute of Immunology and Experimental Therapy, Polish Academy of Sciences, 53-114 Wroclaw, Poland;
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Atzeni IM, Boersema J, Pas HH, Diercks GF, Scheijen JL, Schalkwijk CG, Mulder DJ, van der Zee P, Smit AJ. Is skin autofluorescence (SAF) representative of dermal advanced glycation endproducts (AGEs) in dark skin? A pilot study. Heliyon 2020; 6:e05364. [PMID: 33241137 PMCID: PMC7674296 DOI: 10.1016/j.heliyon.2020.e05364] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2020] [Revised: 07/24/2020] [Accepted: 10/26/2020] [Indexed: 01/17/2023] Open
Abstract
Aims Non-invasively assessed skin autofluorescence (SAF) measures advanced glycation endproducts (AGEs) in the dermis. SAF correlates with dermal AGEs in Caucasians and Asians, but studies in dark-skinned subjects are lacking. In this pilot we aimed to assess whether SAF signal is representative of intrinsic fluorescence (IF) and AGE accumulation in dark skin. Methods Skin biopsies were obtained in 12 dark-skinned subjects (6 healthy subjects, median age 22 years; 6 diabetes mellitus (DM) subjects, 65 years). SAF was measured with the AGE Reader, IF using confocal microscopy, and AGE distribution with specific antibodies. CML and MG-H1 were quantified with UPLC-MS/MS and pentosidine with HPLC and fluorescent detection. Results SAF correlated with IF from the dermis (405nm, r = 0.58, p < 0.05), but not with CML (r = 0.54, p = 0.07). CML correlated with IF from the dermis (405nm, r = 0.90, p < 0.01). UV reflectance and the coefficient of variation of SAF were negatively correlated (r = -0.80, p < 0.01). CML and MG-H1 were predominantly present around blood vessels, in collagen and fibroblasts in the dermis. Conclusion This proof of concept study is the first to compare non-invasive SAF with AGE levels measured in skin biopsies in dark-skinned subjects. SAF did not correlate with individual AGEs from biopsies, but was associated with IF. However, the intra-individual variance was high, limiting its application in dark-skinned subjects on an individual basis.
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Affiliation(s)
- Isabella M. Atzeni
- Department of Internal Medicine, Division of Vascular Medicine (I.M.A., J.B., D.J.M., A.J.S.), Department of Dermatology, Division of Dermatology (H.H.P.) and Department of Pathology and Medical Biology, Division of Pathology (G.F.H.D.), University of Groningen, University Medical Center Groningen, Hanzeplein 1, 9713 GZ, Groningen, the Netherlands
- Corresponding author.
| | - Jeltje Boersema
- Department of Internal Medicine, Division of Vascular Medicine (I.M.A., J.B., D.J.M., A.J.S.), Department of Dermatology, Division of Dermatology (H.H.P.) and Department of Pathology and Medical Biology, Division of Pathology (G.F.H.D.), University of Groningen, University Medical Center Groningen, Hanzeplein 1, 9713 GZ, Groningen, the Netherlands
| | - Hendri H. Pas
- Department of Internal Medicine, Division of Vascular Medicine (I.M.A., J.B., D.J.M., A.J.S.), Department of Dermatology, Division of Dermatology (H.H.P.) and Department of Pathology and Medical Biology, Division of Pathology (G.F.H.D.), University of Groningen, University Medical Center Groningen, Hanzeplein 1, 9713 GZ, Groningen, the Netherlands
| | - Gilles F.H. Diercks
- Department of Internal Medicine, Division of Vascular Medicine (I.M.A., J.B., D.J.M., A.J.S.), Department of Dermatology, Division of Dermatology (H.H.P.) and Department of Pathology and Medical Biology, Division of Pathology (G.F.H.D.), University of Groningen, University Medical Center Groningen, Hanzeplein 1, 9713 GZ, Groningen, the Netherlands
| | - Jean L.J.M. Scheijen
- Department of Internal Medicine (J.L.J.M.S., C.G.S.), Maastricht University Medical Center, Debeyelaan 25, 6202 AZ, Maastricht, the Netherlands
| | - Casper G. Schalkwijk
- Department of Internal Medicine (J.L.J.M.S., C.G.S.), Maastricht University Medical Center, Debeyelaan 25, 6202 AZ, Maastricht, the Netherlands
| | - Douwe J. Mulder
- Department of Internal Medicine, Division of Vascular Medicine (I.M.A., J.B., D.J.M., A.J.S.), Department of Dermatology, Division of Dermatology (H.H.P.) and Department of Pathology and Medical Biology, Division of Pathology (G.F.H.D.), University of Groningen, University Medical Center Groningen, Hanzeplein 1, 9713 GZ, Groningen, the Netherlands
| | - Piet van der Zee
- DiagnOptics Technologies (P.v.d.Z.), Aarhusweg 4-9, 9723 JJ, Groningen, the Netherlands
| | - Andries J. Smit
- Department of Internal Medicine, Division of Vascular Medicine (I.M.A., J.B., D.J.M., A.J.S.), Department of Dermatology, Division of Dermatology (H.H.P.) and Department of Pathology and Medical Biology, Division of Pathology (G.F.H.D.), University of Groningen, University Medical Center Groningen, Hanzeplein 1, 9713 GZ, Groningen, the Netherlands
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Hagen JM, Sutterland AL, Schirmbeck F, Cohn DM, Lok A, Tan HL, Zwinderman AH, de Haan L. Skin autofluorescence of advanced glycation end products and course of affective disorders in the lifelines cohort study, a prospective investigation. J Affect Disord 2020; 276:424-432. [PMID: 32871673 DOI: 10.1016/j.jad.2020.07.108] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/27/2020] [Revised: 05/25/2020] [Accepted: 07/06/2020] [Indexed: 01/19/2023]
Abstract
BACKGROUND Skin autofluorescence (SAF), indicating concentration of advanced glycation end products in the skin and oxidative stress, is cross-sectionally associated with affective disorders. Prospective studies of oxidative stress markers will help to clarify the pathophysiological role of oxidative stress. METHODS Data of a population-based cohort study were used. Presence of major depressive disorder, dysthymia, generalised anxiety disorder, panic disorder or social phobia was assessed at baseline and at 5-year follow-up with the Mini-International Neuropsychiatric Interview. Associations between SAF at baseline and incidence and persistence/recurrence of affective disorders were assessed with logistic regression. RESULTS Of 43,267 participants with no disorder at baseline, 2885 (6.7%) developed an incident disorder during follow-up. In 1360 of 3648 participants (37.3%) with an affective disorder at baseline, a persisting/recurrent disorder was present at follow-up. A modest association existed between SAF and incident affective disorders (OR=1.07 [95%CI 1.03-1.12], P<.001), specifically major depressive disorder (OR=1.11 [95%CI 1.04-1.19], P=.003); this association lost statistical significance after adjustment for sociodemographic factors. Associations between SAF and persistence/recurrence were not significant. LIMITATIONS Many confounders might also act as intermediate: extensive adjustment for confounders caused overfitting and possibly masked effects of SAF on course of affective disorders. Relatively small sample sizes for analyses of SAF and persistence/recurrence of affective disorders resulted in a low power. CONCLUSIONS Increased SAF modestly raises the odds of incident affective disorders, particularly major depressive disorder, providing evidence that oxidative stress plays a role in subsequent occurrence of affective disorders. However, significance of effects faded after adjustment for socioeconomic status.
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Affiliation(s)
- Julia M Hagen
- Amsterdam UMC, University of Amsterdam, Department of Psychiatry, Amsterdam, Netherlands
| | - Arjen L Sutterland
- Amsterdam UMC, University of Amsterdam, Department of Psychiatry, Amsterdam, Netherlands
| | - Frederike Schirmbeck
- Amsterdam UMC, University of Amsterdam, Department of Psychiatry, Amsterdam, Netherlands; Arkin Mental Health Institute, Amsterdam, Netherlands
| | - Danny M Cohn
- Amsterdam UMC, University of Amsterdam, Department of Vascular Medicine, Amsterdam, Netherlands
| | - Anja Lok
- Amsterdam UMC, University of Amsterdam, Department of Psychiatry, Amsterdam, Netherlands; The Amsterdam Public Health research institute, Amsterdam UMC, Amsterdam, Netherlands.
| | - Hanno L Tan
- The Amsterdam Public Health research institute, Amsterdam UMC, Amsterdam, Netherlands; Amsterdam UMC, University of Amsterdam, Department of Cardiology, Heart Center, Amsterdam, Netherlands; Netherlands Heart Institute, Utrecht, Netherlands
| | - Aeilko H Zwinderman
- Amsterdam UMC, University of Amsterdam, Department of Clinical Epidemiology, Biostatistics and Bioinformatics, Amsterdam, Netherlands
| | - Lieuwe de Haan
- Amsterdam UMC, University of Amsterdam, Department of Psychiatry, Amsterdam, Netherlands; Arkin Mental Health Institute, Amsterdam, Netherlands; The Amsterdam Public Health research institute, Amsterdam UMC, Amsterdam, Netherlands
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Hagen JM, Sutterland AL, da Fonseca Pereira de Sousa PAL, Schirmbeck F, Cohn DM, Lok A, Tan HL, Zwinderman AH, de Haan L. Association between skin autofluorescence of advanced glycation end products and affective disorders in the lifelines cohort study. J Affect Disord 2020; 275:230-237. [PMID: 32734913 DOI: 10.1016/j.jad.2020.06.040] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/03/2020] [Revised: 06/01/2020] [Accepted: 06/16/2020] [Indexed: 11/29/2022]
Abstract
BACKGROUND Oxidative stress may be a mechanistic link between affective disorders (depressive and anxiety disorders) and somatic disease. Advanced glycation end products are produced under the influence of oxidative stress and in the skin (measured by skin autofluorescence [SAF]) serve as marker for cumulative oxidative stress. Aim of study was to determine whether SAF is associated with presence of affective disorders. METHODS Participants in the Lifelines cohort study who had completed the Mini-International Neuropsychiatric Interview for affective disorders and a SAF-measurement were included. Cross-sectional associations between SAF and presence of the following psychiatric disorders were investigated through logistic regression analyses adjusted for sociodemographic factors, cardiometabolic parameters, and somatic morbidities: major depressive disorder, dysthymia, generalised anxiety disorder, panic disorder or social phobia. RESULTS Of 81,041 included participants (41.7% male, aged 18-91 years), 6676 (8.2%) were cases with an affective disorder. SAF was associated with presence of affective disorders (OR=1.09 [95%CI 1.07-1.12], P<.001 adjusted for sociodemographic factors). Association with major depressive disorder was strongest and significant after adjustment for all confounders (OR=1.31 [95%CI 1.25-1.36], P<.001 in the crude model; OR=1.12 [95%CI 1.07-1.17], P<.001 in the fully adjusted model). For other disorders, associations lost significance after adjustment for cardiometabolic parameters and somatic morbidities. LIMITATIONS Persons of non-Western descent and severely (mentally or physically) ill individuals were underrepresented. CONCLUSIONS SAF was associated with presence of affective disorders, suggesting a link between these disorders and cumulative oxidative stress. For major depressive disorder, this association was strongest and independent of sociodemographic, cardiometabolic factors, and somatic morbidities.
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Affiliation(s)
- Julia M Hagen
- Amsterdam UMC, University of Amsterdam, Department of Psychiatry, Amsterdam, Netherlands
| | - Arjen L Sutterland
- Amsterdam UMC, University of Amsterdam, Department of Psychiatry, Amsterdam, Netherlands.
| | | | - Frederike Schirmbeck
- Amsterdam UMC, University of Amsterdam, Department of Psychiatry, Amsterdam, Netherlands; Arkin Mental Health Institute, Amsterdam, Netherlands
| | - Danny M Cohn
- Amsterdam UMC, University of Amsterdam, Department of Vascular Medicine, Amsterdam, Netherlands
| | - Anja Lok
- Amsterdam UMC, University of Amsterdam, Department of Psychiatry, Amsterdam, Netherlands; The Amsterdam Public Health research institute, Amsterdam UMC, Amsterdam, Netherlands
| | - Hanno L Tan
- The Amsterdam Public Health research institute, Amsterdam UMC, Amsterdam, Netherlands; Amsterdam UMC, University of Amsterdam, Department of Cardiology, Heart Center, Amsterdam, Netherlands; Netherlands Heart Institute, Utrecht, Netherlands
| | - Aeilko H Zwinderman
- Amsterdam UMC, University of Amsterdam, Department of Clinical Epidemiology, Biostatistics and Bioinformatics, Amsterdam, Netherlands
| | - Lieuwe de Haan
- Amsterdam UMC, University of Amsterdam, Department of Psychiatry, Amsterdam, Netherlands; Arkin Mental Health Institute, Amsterdam, Netherlands; The Amsterdam Public Health research institute, Amsterdam UMC, Amsterdam, Netherlands
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10
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Sourris KC, Watson A, Jandeleit-Dahm K. Inhibitors of Advanced Glycation End Product (AGE) Formation and Accumulation. Handb Exp Pharmacol 2020; 264:395-423. [PMID: 32809100 DOI: 10.1007/164_2020_391] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
A range of chemically different compounds are known to inhibit the formation and accumulation of advanced glycation end products (AGEs) or disrupt associated signalling pathways. There is evidence that some of these agents can provide end-organ protection in chronic diseases including diabetes. Whilst this group of therapeutics are structurally and functionally different and have a range of mechanisms of action, they ultimately reduce the deleterious actions and the tissue burden of advanced glycation end products. To date it remains unclear if this is due to the reduction in tissue AGE levels per se or the modulation of downstream signal pathways. Some of these agents either stimulate antioxidant defence or reduce the formation of reactive oxygen species (ROS), modify lipid profiles and inhibit inflammation. A number of existing treatments for glucose lowering, hypertension and hyperlipidaemia are also known to reduce AGE formation as a by-product of their action. Targeted AGE formation inhibitors or AGE cross-link breakers have been developed and have shown beneficial effects in animal models of diabetic complications as well as other chronic conditions. However, only a few of these agents have progressed to clinical development. The failure of clinical translation highlights the importance of further investigation of the advanced glycation pathway, the diverse actions of agents which interfere with AGE formation, cross-linking or AGE receptor activation and their effect on the development and progression of chronic diseases including diabetic complications. Advanced glycation end products (AGEs) are (1) proteins or lipids that become glycated as a result of exposure to sugars or (2) non-proteinaceous oxidised lipids. They are implicated in ageing and the development, or worsening, of many degenerative diseases, such as diabetes, atherosclerosis, chronic kidney and Alzheimer's disease. Several antihypertensive and antidiabetic agents and statins also indirectly lower AGEs. Direct AGE inhibitors currently investigated include pyridoxamine and epalrestat, the inhibition of the formation of reactive dicarbonyls such as methylglyoxal as an important precursor of AGEs via increased activation of the detoxifying enzyme Glo-1 and inhibitors of NOX-derived ROS to reduce the AGE/RAGE signalling.
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Affiliation(s)
- Karly C Sourris
- Department of Diabetes, Central Clinical School, Monash University, Melbourne, VIC, Australia
| | - Anna Watson
- Department of Diabetes, Central Clinical School, Monash University, Melbourne, VIC, Australia
| | - Karin Jandeleit-Dahm
- Department of Diabetes, Central Clinical School, Monash University, Melbourne, VIC, Australia.
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11
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Steenbeke M, De Bruyne S, De Buyzere M, Lapauw B, Speeckaert R, Petrovic M, Delanghe JR, Speeckaert MM. The role of soluble receptor for advanced glycation end-products (sRAGE) in the general population and patients with diabetes mellitus with a focus on renal function and overall outcome. Crit Rev Clin Lab Sci 2020; 58:113-130. [PMID: 32669010 DOI: 10.1080/10408363.2020.1791045] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Isoforms of the receptor for advanced glycation end-product (RAGE) protein, which lack the transmembrane and the signaling (soluble RAGE or sRAGE) domains are hypothesized to counteract the detrimental action of the full-length receptor by acting as a decoy, and they provide a potential tool to treat RAGE-associated diseases. Multiple studies have explored the relationship between sRAGE and endogenous secretory RAGE and its polymorphism and obesity, metabolic syndrome, atherosclerosis, kidney function, and increased mortality in the general population. In addition, sRAGE may be a key player in the pathogenesis of diabetes mellitus and its microvascular (e.g. kidney disease) as well as macrovascular (e.g. cardiovascular disease) complications. In this review, we focus on the role of sRAGE as a biomarker in these specific areas. As there is a lack of an underlying unifying hypothesis about how sRAGE changes according to the disease condition or risk factor, there is a call to incorporate all three players of the AGE-RAGE axis into a new universal biomarker/risk marker: (AGE + RAGE)/sRAGE. However, the measurement of RAGE in humans is not practical as it is a cell-bound receptor for which tissue is required for analysis. A high AGE/sRAGE ratio may be a valuable alternative and practical universal biomarker/risk marker for diseases associated with the AGE-RAGE axis, irrespective of low or high serum sRAGE concentrations.
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Affiliation(s)
- Mieke Steenbeke
- Department of Nephrology, Ghent University Hospital, Ghent, Belgium
| | - Sander De Bruyne
- Department of Clinical Chemistry, Ghent University Hospital, Ghent, Belgium
| | - Marc De Buyzere
- Department of Internal Medicine, Ghent University, Ghent, Belgium
| | - Bruno Lapauw
- Department of Endocrinology, Ghent University Hospital, Ghent, Belgium
| | | | - Mirko Petrovic
- Department of Geriatrics, Ghent University Hospital, Ghent, Belgium
| | - Joris R Delanghe
- Department of Diagnostic Sciences, Ghent University, Ghent, Belgium
| | - Marijn M Speeckaert
- Department of Nephrology, Ghent University Hospital, Ghent, Belgium.,Research Foundation Flanders, Brussels, Belgium
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12
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Veeruraj A, Liu L, Zheng J, Wu J, Arumugam M. Evaluation of astaxanthin incorporated collagen film developed from the outer skin waste of squid Doryteuthis singhalensis for wound healing and tissue regenerative applications. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2018; 95:29-42. [PMID: 30573252 DOI: 10.1016/j.msec.2018.10.055] [Citation(s) in RCA: 41] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/24/2018] [Revised: 08/26/2018] [Accepted: 10/15/2018] [Indexed: 11/26/2022]
Abstract
The present investigation was aimed to evaluate in vivo wound healing activity of astaxanthin incorporated collagen hydrogel film biomaterials extracted from the outer skin waste of squid Doryteuthis singhalensis, to releases antibiotic, delivering potentialities of excisional and incisional wound model in Wistar rats. These results suggested that the astaxanthin incorporated collagen film (ACF) and gentamicin incorporated collagen film (GCF) exhibited excellent wound healing activity (71%) in both full thickness excision and linear incision in rats. The in-vitro antioxidant abilities of extracted astaxanthin exhibited strongly significant 1,1‑diphenyl‑2‑picrylhydrazyl (DPPH) radical scavenging activity. In addition, tensile strength, epithelialization, hydroxyproline content and protein content in ACF and GCF treated groups were significantly increased. Histopathological assessment revealed an increase in collagen content, fibroblasts, granulation, thickness of scar formation, effective neovascularization and faster epithelialization within the short duration after the treatment of ACF and GCF compared to the control groups. The structure of prepared ACF and GCF biomaterials were characterized by SEM, EDS, and XRD. The in vivo biological study of the collagen-based film releases the antibiotic substance. The composite of collagen based biomaterials displays a promising biocompatibility through the dermal wound healing process as well as an evidence of biodegradability. Thus, the marine-derived biomaterials gave a substantial pledge for the development of biodegradable materials in drug delivery and soft tissue regeneration process.
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Affiliation(s)
- Anguchamy Veeruraj
- Fuli Institute of Food Science (FIFS), College of Biosystems Engineering and Food Science, Zhejiang University, 866 Yuhangtang Road, Hangzhou, Zhejiang 310058, PR China; Centre of Advanced Study in Marine Biology, Faculty of Marine Sciences, Annamalai University, Parangipettai 608 502, Tamilnadu, India; ZJU-UA Joint Lab for Molecular Nutrition and Bioactive Peptides, College of Biosystems Engineering and Food Science, Zhejiang University, 866 Yuhangtang Road, Hangzhou, Zhejiang 310058, PR China.
| | - Ling Liu
- Fuli Institute of Food Science (FIFS), College of Biosystems Engineering and Food Science, Zhejiang University, 866 Yuhangtang Road, Hangzhou, Zhejiang 310058, PR China
| | - Jiexia Zheng
- Fuli Institute of Food Science (FIFS), College of Biosystems Engineering and Food Science, Zhejiang University, 866 Yuhangtang Road, Hangzhou, Zhejiang 310058, PR China
| | - Jianping Wu
- Fuli Institute of Food Science (FIFS), College of Biosystems Engineering and Food Science, Zhejiang University, 866 Yuhangtang Road, Hangzhou, Zhejiang 310058, PR China; ZJU-UA Joint Lab for Molecular Nutrition and Bioactive Peptides, College of Biosystems Engineering and Food Science, Zhejiang University, 866 Yuhangtang Road, Hangzhou, Zhejiang 310058, PR China; Department of Agricultural, Food and Nutritional Science, 4-10 Ag/For Building, University of Alberta, Edmonton, Alberta T6G 2P5, Canada
| | - Muthuvel Arumugam
- Centre of Advanced Study in Marine Biology, Faculty of Marine Sciences, Annamalai University, Parangipettai 608 502, Tamilnadu, India
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Ramsauer B, Graaff R, Sikole A, Trajceska L, Lundström S, Arsov S, Hadimeri H, Stegmayr B. Skin Autofluorescence, a Measure of Cumulative Metabolic Stress and Advanced Glycation End Products, Decreases During the Summer in Dialysis Patients. Artif Organs 2018; 43:173-180. [DOI: 10.1111/aor.13320] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2018] [Revised: 06/18/2018] [Accepted: 06/18/2018] [Indexed: 12/17/2022]
Affiliation(s)
- Bernd Ramsauer
- Department of Nephrology Skaraborgs Hospital Skövde Sweden
- Department of Public Health and Clinical Medicine Umea University Umea Sweden
| | - Reindert Graaff
- Department of Endocrinology University Medical Center Groningen and University of Groningen Groningen The Netherlands
| | | | | | - Sara Lundström
- Department of Public Health and Clinical Medicine Umea University Umea Sweden
| | - Stefan Arsov
- Institute for Epidemiology and Biostatistics University Sts Cyril and Methodius Skopje Republic of Macedonia
| | | | - Bernd Stegmayr
- Department of Public Health and Clinical Medicine Umea University Umea Sweden
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Identification of Antiglycative Compounds in Japanese Red Water Pepper (Red Leaf Variant of the Persicaria hydropiper Sprout). Molecules 2018; 23:molecules23092319. [PMID: 30208642 PMCID: PMC6225476 DOI: 10.3390/molecules23092319] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2018] [Revised: 09/10/2018] [Accepted: 09/10/2018] [Indexed: 01/14/2023] Open
Abstract
Glycation, the nonenzymatic reaction between proteins and excess blood sugar, is implicated in multiple disorders and occurs via the formation and accumulation of advanced glycation end products (AGEs). In our previous studies, we demonstrated that the red-leaf variant of the Persicaria hydropiper sprout (Japanese red water pepper, Benitade) is one of the potent plants that inhibit formation of AGEs. In this study, we aimed to identify antiglycative compounds in Benitade. Benitade extracts were prepared with hot water, then fractionated by using high-performance liquid chromatography (HPLC). The antiglycative efficacy of each fraction was evaluated by measuring the formation of fluorescent AGEs (Ex 370 nm/Em 440 nm). Two fractions, which contained peaks at 26.4 min and 31.8 min, showed potent antiglycative efficacy. When we hydrolyzed these peaks, they shifted to 32.5 and 41.4 min, which are the same retention times as cyanidin and quercetin, respectively. Based on thin-layer chromatography, both compounds contained galactose. Finally, ultrahigh-performance liquid chromatography/quadrupole-time of flight mass spectrometry (UHPLC-QqTOF-MS) analyses were performed to determine the structure of those compounds. Overall, we identified two glycosides, cyanidin 3-O-galactoside (idaein) and quercetin 3-O-galactoside (hyperin), as representative antiglycative compounds in Benitade.
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15
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Advanced glycation end products (AGEs) estimated by skin autofluorescence are related with cardiovascular risk in renal transplant. PLoS One 2018; 13:e0201118. [PMID: 30067789 PMCID: PMC6070236 DOI: 10.1371/journal.pone.0201118] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2018] [Accepted: 07/09/2018] [Indexed: 12/04/2022] Open
Abstract
Background Advanced glycation end products (AGEs) accumulation, a measure of cumulative metabolic stress, constitute a novel pathogenic mechanism involved in aging, diabetes, cardiovascular (CVD) and chronic kidney disease (CKD). Despite removal of uremic toxins and AGEs after a successful renal transplant (RT), CVD remains the leading cause of mortality. We hypothesized that AGEs measurement by Skin Autofluorescence (SAF) might be useful even after a successful RT and thus reflect the high cardiovascular risk burden of these patients. Methods 189 stable RT (61% men, aged 56±13.0 years), CKD stages 1–4 and >12 months since RT were enrolled. Variables collected comprised comorbid history, medication use, smoking habit, routine biochemistry, subclinical atheromatosis by ankle-brachial-index (ABI) and allograft resistivity index (RI), 24-h ABPM, anthropometry and handgrip strength. AGEs were measured by SAF and expressed in arbitrary units (AU). Vascular age was estimated by Koetsier´s formula (SAF-0.83/0.024) and expected 10-years cardiovascular death risk was calculated with the REGICOR score. Results Mean SAF was 3.00±0.83 AU and estimated vascular age 90±34.7 years (30 years above biological age). SAF was higher among men (3.10±0.91 vs 2.81±0.66), diabetic nephropathy (3.49±0.75 vs 2.96±0.83) and steroid users (3.14±0.86 vs 2.71±0.69). We observed a positive correlation of SAF with night-systolic blood pressure (r = 0.25, p = 0.001), parathormone (r = 0.20, p<0.01), phosphate (r = 0.28, p<0.001) and negative with hemoglobin (r = -0.29, p<0.001), CKD-EPI (r = -0.32, p<0.001), albumin (r = -0.17, p<0.05), and dynamometry (r = -0.20, p<0.01). Subclinical vascular atheromatosis (ABI and RI) as well as the REGICOR scale (r = 0.35 p<0.001) were also correlated with SAF. In multivariable analysis age, gender, steroid use, serum phosphate and handgrip strength remained independently associated with SAF. Conclusions SAF levels are elevated in RT patients and correlate with CVD risk. Besides age and male sex, our results suggest that phosphate overload, steroid use and nutritional status are important factors linking to AGEs accumulation.
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16
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Yacoub R, Nugent M, Cai W, Nadkarni GN, Chaves LD, Abyad S, Honan AM, Thomas SA, Zheng W, Valiyaparambil SA, Bryniarski MA, Sun Y, Buck M, Genco RJ, Quigg RJ, He JC, Uribarri J. Advanced glycation end products dietary restriction effects on bacterial gut microbiota in peritoneal dialysis patients; a randomized open label controlled trial. PLoS One 2017; 12:e0184789. [PMID: 28931089 PMCID: PMC5607175 DOI: 10.1371/journal.pone.0184789] [Citation(s) in RCA: 95] [Impact Index Per Article: 13.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2017] [Accepted: 08/28/2017] [Indexed: 12/12/2022] Open
Abstract
The modern Western diet is rich in advanced glycation end products (AGEs). We have previously shown an association between dietary AGEs and markers of inflammation and oxidative stress in a population of end stage renal disease (ESRD) patients undergoing peritoneal dialysis (PD). In the current pilot study we explored the effects of dietary AGEs on the gut bacterial microbiota composition in similar patients. AGEs play an important role in the development and progression of cardiovascular (CVD) disease. Plasma concentrations of different bacterial products have been shown to predict the risk of incident major adverse CVD events independently of traditional CVD risk factors, and experimental animal models indicates a possible role AGEs might have on the gut microbiota population. In this pilot randomized open label controlled trial, twenty PD patients habitually consuming a high AGE diet were recruited and randomized into either continuing the same diet (HAGE, n = 10) or a one-month dietary AGE restriction (LAGE, n = 10). Blood and stool samples were collected at baseline and after intervention. Variable regions V3-V4 of 16s rDNA were sequenced and taxa was identified on the phyla, genus, and species levels. Dietary AGE restriction resulted in a significant decrease in serum Nε-(carboxymethyl) lysine (CML) and methylglyoxal-derivatives (MG). At baseline, our total cohort exhibited a lower relative abundance of Bacteroides and Alistipes genus and a higher abundance of Prevotella genus when compared to the published data of healthy population. Dietary AGE restriction altered the bacterial gut microbiota with a significant reduction in Prevotella copri and Bifidobacterium animalis relative abundance and increased Alistipes indistinctus, Clostridium citroniae, Clostridium hathewayi, and Ruminococcus gauvreauii relative abundance. We show in this pilot study significant microbiota differences in peritoneal dialysis patients’ population, as well as the effects of dietary AGEs on gut microbiota, which might play a role in the increased cardiovascular events in this population and warrants further studies.
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Affiliation(s)
- Rabi Yacoub
- Department of Internal Medicine, Jacobs School of Medicine and Biomedical Sciences, University at Buffalo, Buffalo, New York, United States of America
- * E-mail:
| | - Melinda Nugent
- Department of Internal Medicine, Icahn School of Medicine at Mount Sinai, New York, New York, United States of America
| | - Weijin Cai
- Department of Internal Medicine, Icahn School of Medicine at Mount Sinai, New York, New York, United States of America
| | - Girish N. Nadkarni
- Department of Internal Medicine, Icahn School of Medicine at Mount Sinai, New York, New York, United States of America
| | - Lee D. Chaves
- Department of Internal Medicine, Jacobs School of Medicine and Biomedical Sciences, University at Buffalo, Buffalo, New York, United States of America
| | - Sham Abyad
- Department of Internal Medicine, Jacobs School of Medicine and Biomedical Sciences, University at Buffalo, Buffalo, New York, United States of America
| | - Amanda M. Honan
- Department of Internal Medicine, Jacobs School of Medicine and Biomedical Sciences, University at Buffalo, Buffalo, New York, United States of America
| | - Shruthi A. Thomas
- Department of Internal Medicine, Jacobs School of Medicine and Biomedical Sciences, University at Buffalo, Buffalo, New York, United States of America
| | - Wei Zheng
- Department of Computer Science and Engineering, University at Buffalo, Buffalo, New York, United States of America
| | - Sujith A. Valiyaparambil
- Department of Biochemistry, Jacobs School of Medicine and Biomedical Sciences, University at Buffalo, Buffalo, New York, United States of America
| | - Mark A. Bryniarski
- Department of Phamaceutical Sciences, University at Buffalo School of Pharmacy and Pharmaceutical Sciences, Buffalo, New York, United States of America
| | - Yijun Sun
- Department of Microbiology and Immunology, Jacobs School of Medicine and Biomedical Sciences, University at Buffalo, Buffalo, New York, United States of America
| | - Michael Buck
- Department of Biochemistry, Jacobs School of Medicine and Biomedical Sciences, University at Buffalo, Buffalo, New York, United States of America
| | - Robert J. Genco
- Department of Oral Biology, Jacobs School of Medicine and Biomedical Sciences, University at Buffalo, Buffalo, New York, United States of America
| | - Richard J. Quigg
- Department of Internal Medicine, Jacobs School of Medicine and Biomedical Sciences, University at Buffalo, Buffalo, New York, United States of America
| | - John C. He
- Department of Internal Medicine, Icahn School of Medicine at Mount Sinai, New York, New York, United States of America
| | - Jaime Uribarri
- Department of Internal Medicine, Icahn School of Medicine at Mount Sinai, New York, New York, United States of America
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Boersema J, de Vos LC, Links TP, Mulder DJ, Smit AJ, Zeebregts CJ, Lefrandt JD. Skin accumulation of advanced glycation end products is increased in patients with an abdominal aortic aneurysm. J Vasc Surg 2017; 66:1696-1703.e1. [PMID: 28655550 DOI: 10.1016/j.jvs.2017.04.037] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2017] [Accepted: 04/10/2017] [Indexed: 01/16/2023]
Abstract
OBJECTIVE Advanced glycation end products (AGEs) are implicated in the pathogenesis of cardiovascular disease. Accumulation of AGEs is driven by oxidative or glycemic stress and can be assessed by skin autofluorescence (SAF). SAF is increased in patients with peripheral artery disease (PAD) and independently associated with mortality and major adverse cardiovascular events in these patients. PAD and abdominal aortic aneurysm (AAA) share several risk factors. Inflammation is an important process in AAA formation and increases levels of oxidative stress. We therefore hypothesized that SAF would be increased in AAA patients compared with controls. METHODS A case-control study was performed in 248 AAA patients and 124 controls without AAA or PAD matched for age and presence of diabetes mellitus. SAF was noninvasively assessed with the AGE Reader (Diagnoptics Technologies BV, Groningen, The Netherlands). RESULTS SAF was higher in AAA patients than in controls: 2.89 ± 0.63 vs 2.68 ± 0.63 arbitrary units (P = .003). PAD comorbidity was associated with increased SAF within the AAA patient group (P = .01). After correction for known factors influencing SAF (age, current smoking, hypertension, and estimated glomerular filtration rate), PAD comorbidity remained an independent determinant of SAF. Logistic regression analysis of the total cohort showed an unadjusted odds ratio (OR) of 1.74 (95% confidence interval [CI], 1.20-2.51) for the presence of AAA with each unit increase of SAF and an adjusted OR of 1.78 (95% CI, 1.22-2.60) after correction for cardiovascular comorbidity (cerebrovascular disease and coronary artery disease). After additional correction for sex, current smoking, hypertension, and use of lipid-lowering drugs, this significance was lost (adjusted OR, 1.53; 95% CI, 0.94-2.48). CONCLUSIONS Skin accumulation of AGEs, measured by SAF, is increased in patients with AAA compared with controls without AAA or PAD, independent of the presence of coronary artery disease and cerebrovascular disease. In AAA patients, SAF is closely associated with the presence of PAD and cardiovascular risk factors.
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Affiliation(s)
- Jeltje Boersema
- Division of Vascular Medicine, Department of Internal Medicine, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands.
| | - Lisanne C de Vos
- Division of Vascular Medicine, Department of Internal Medicine, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - Thera P Links
- Division of Endocrinology, Department of Internal Medicine, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - Douwe J Mulder
- Division of Vascular Medicine, Department of Internal Medicine, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - Andries J Smit
- Division of Vascular Medicine, Department of Internal Medicine, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - Clark J Zeebregts
- Division of Vascular Surgery, Department of Surgery, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - Joop D Lefrandt
- Division of Vascular Medicine, Department of Internal Medicine, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
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de Vos LC, Boersema J, Hillebrands JL, Schalkwijk CG, Meerwaldt R, Breek JC, Smit AJ, Zeebregts CJ, Lefrandt JD. Diverging effects of diabetes mellitus in patients with peripheral artery disease and abdominal aortic aneurysm and the role of advanced glycation end-products: ARTERY study - protocol for a multicentre cross-sectional study. BMJ Open 2017; 7:e012584. [PMID: 28400456 PMCID: PMC5541445 DOI: 10.1136/bmjopen-2016-012584] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
Abstract
INTRODUCTION Diabetes mellitus is a well-defined risk factor for peripheral artery disease (PAD), but protects against the development and growth of abdominal aortic aneurysm (AAA). Diabetes mellitus is associated with arterial stiffening and peripheral arterial media sclerosis. Advanced glycation end-products (AGEs) are increased in diabetes mellitus and cardiovascular disease. AGEs are known to form cross-links between proteins and are associated with arterial stiffness. Whether AGEs contribute to the protective effects of diabetes mellitus in AAA is unknown. Therefore, the ARTERY (Advanced glycation end-pRoducts in patients with peripheral arTery disEase and abdominal aoRtic aneurYsm) study is designed to evaluate the role of AGEs in the diverging effects of diabetes mellitus on AAA and PAD. METHODS AND ANALYSIS This cross-sectional multicentre study will compare the amount, type and location of AGEs in the arterial wall in a total of 120 patients with AAA or PAD with and without diabetes mellitus (n=30 per subgroup). Also, local and systemic vascular parameters, including pulse wave velocity, will be measured to evaluate the association between arterial stiffness and AGEs. Finally, AGEs will be measured in serum, urine, and assessed in skin with skin autofluorescence using the AGE Reader. ETHICS AND DISSEMINATION This study is approved by the Medical Ethics committees of University Medical Center Groningen, Martini Hospital and Medisch Spectrum Twente, the Netherlands. Study results will be disseminated through peer-reviewed journals and scientific events. TRIAL REGISTRATION NUMBER trialregister.nl NTR 5363.
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Affiliation(s)
- L C de Vos
- Department of Internal Medicine, Division of Vascular Medicine, University of Groningen, University Medical Center Groningen, Groningen, the Netherlands
| | - J Boersema
- Department of Internal Medicine, Division of Vascular Medicine, University of Groningen, University Medical Center Groningen, Groningen, the Netherlands
| | - J L Hillebrands
- Department of Pathology and Medical Biology, Division of Pathology, University of Groningen, University Medical Center Groningen, Groningen, the Netherlands
| | - C G Schalkwijk
- Department of Internal Medicine, Laboratory for Metabolism and Vascular Medicine, Maastricht University, Maastricht, the Netherlands
| | - R Meerwaldt
- Department of Vascular Surgery, Medisch Spectrum Twente, Enschede, the Netherlands
| | - J C Breek
- Department of Vascular Surgery, Martini Hospital, Groningen, the Netherlands
| | - A J Smit
- Department of Internal Medicine, Division of Vascular Medicine, University of Groningen, University Medical Center Groningen, Groningen, the Netherlands
| | - C J Zeebregts
- Department of Surgery, Division of Vascular Surgery, University of Groningen, University Medical Center Groningen, Groningen, the Netherlands
| | - J D Lefrandt
- Department of Internal Medicine, Division of Vascular Medicine, University of Groningen, University Medical Center Groningen, Groningen, the Netherlands
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de Vos LC, Lefrandt JD, Dullaart RP, Zeebregts CJ, Smit AJ. Advanced glycation end products: An emerging biomarker for adverse outcome in patients with peripheral artery disease. Atherosclerosis 2016; 254:291-299. [DOI: 10.1016/j.atherosclerosis.2016.10.012] [Citation(s) in RCA: 47] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/01/2016] [Revised: 10/05/2016] [Accepted: 10/06/2016] [Indexed: 11/30/2022]
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20
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Randag A, Graaff R, Dreise M, Vierkötter A, Werker P, Stenekes M. Body mass index, chronological age and hormonal status are better predictors of biological skin age than arm skin autofluorescence in healthy women who have never smoked. Br J Dermatol 2015. [DOI: 10.1111/bjd.14044] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- A.C. Randag
- Department of Plastic Surgery; University Medical Center Groningen; University of Groningen; Groningen the Netherlands
| | - R. Graaff
- Department of Endocrinology; University Medical Center Groningen; University of Groningen; Groningen the Netherlands
| | - M.M. Dreise
- Department of Plastic Surgery; University Medical Center Groningen; University of Groningen; Groningen the Netherlands
| | - A. Vierkötter
- IUF - Leibniz Research Institute for Environmental Medicine; Düsseldorf Germany
| | - P.M.N. Werker
- Department of Plastic Surgery; University Medical Center Groningen; University of Groningen; Groningen the Netherlands
| | - M.W. Stenekes
- Department of Plastic Surgery; University Medical Center Groningen; University of Groningen; Groningen the Netherlands
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de Vos LC, Boersema J, Mulder DJ, Smit AJ, Zeebregts CJ, Lefrandt JD. Skin autofluorescence as a measure of advanced glycation end products deposition predicts 5-year amputation in patients with peripheral artery disease. Arterioscler Thromb Vasc Biol 2015; 35:1532-7. [PMID: 25882066 DOI: 10.1161/atvbaha.115.305407] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2014] [Accepted: 03/31/2015] [Indexed: 11/16/2022]
Abstract
OBJECTIVE Patients with peripheral artery disease are at risk for critical limb ischemia and amputation. Accumulation of advanced glycation end products is increased and predictive for coronary and cerebrovascular events in several high cardiovascular risk groups. We hypothesized that accumulation of tissue advanced glycation end products, measured by skin autofluorescence (SAF), predicts amputation in patients with peripheral artery disease. APPROACH AND RESULTS Between October 2007 and June 2008, 252 patients with peripheral artery disease were included at the outpatient clinic. During a 5-year follow-up, 22 (9%) had an amputation because of critical limb ischemia. Competing risks regression analysis showed a subproportional hazard ratio of 3.05 (95% confidence interval [CI], 1.87-4.96); P<0.0001 for amputation per unit incease of SAF. After correction for diabetes mellitus and Fontaine stage, subproportional hazard ratio was 2.72 (95% CI, 1.38-5.39); P=0.004. In patients with Fontaine stage I and II only (n=215), SAF was the only predictor for amputation, subproportional hazard ratio 4.05 (95% CI, 2.09-7.83); P<0.0001. Fontaine stage multiplied by SAF resulted in a significant increase of the area under the curve for prediction of amputation when compared with Fontaine stage only: area under the curve increased from 0.74 (95% CI, 0.63-0.86) to 0.83 (95% CI, 0.74-0.92); P=0.003. CONCLUSIONS Skin autofluorescence, as a measure of tissue advanced glycation end products deposition, predicts amputation in patients with peripheral artery disease during a 5-year follow-up, independent from the presence of diabetes mellitus and Fontaine stage. Even at lower Fontaine stage (I or II), SAF is a strong predictor of amputation. The multiplication of Fontaine stage by SAF results in a good prediction model of amputation.
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Affiliation(s)
- Lisanne C de Vos
- From the Department of Internal Medicine, Division of Vascular Medicine (L.C.d.V., J.B., D.J.M., A.J.S., J.D.L.) and Department of Surgery, Division of Vascular Surgery (C.J.Z.), University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - Jeltje Boersema
- From the Department of Internal Medicine, Division of Vascular Medicine (L.C.d.V., J.B., D.J.M., A.J.S., J.D.L.) and Department of Surgery, Division of Vascular Surgery (C.J.Z.), University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - Douwe J Mulder
- From the Department of Internal Medicine, Division of Vascular Medicine (L.C.d.V., J.B., D.J.M., A.J.S., J.D.L.) and Department of Surgery, Division of Vascular Surgery (C.J.Z.), University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - Andries J Smit
- From the Department of Internal Medicine, Division of Vascular Medicine (L.C.d.V., J.B., D.J.M., A.J.S., J.D.L.) and Department of Surgery, Division of Vascular Surgery (C.J.Z.), University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - Clark J Zeebregts
- From the Department of Internal Medicine, Division of Vascular Medicine (L.C.d.V., J.B., D.J.M., A.J.S., J.D.L.) and Department of Surgery, Division of Vascular Surgery (C.J.Z.), University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - Joop D Lefrandt
- From the Department of Internal Medicine, Division of Vascular Medicine (L.C.d.V., J.B., D.J.M., A.J.S., J.D.L.) and Department of Surgery, Division of Vascular Surgery (C.J.Z.), University of Groningen, University Medical Center Groningen, Groningen, The Netherlands.
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Yamagishi SI, Fukami K, Matsui T. Evaluation of tissue accumulation levels of advanced glycation end products by skin autofluorescence: A novel marker of vascular complications in high-risk patients for cardiovascular disease. Int J Cardiol 2015; 185:263-8. [DOI: 10.1016/j.ijcard.2015.03.167] [Citation(s) in RCA: 71] [Impact Index Per Article: 7.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/24/2015] [Revised: 03/13/2015] [Accepted: 03/16/2015] [Indexed: 11/25/2022]
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Arsov S, Trajceska L, van Oeveren W, Smit AJ, Dzekova P, Stegmayr B, Sikole A, Rakhorst G, Graaff R. The influence of body mass index on the accumulation of advanced glycation end products in hemodialysis patients. Eur J Clin Nutr 2015; 69:309-13. [PMID: 25585601 DOI: 10.1038/ejcn.2014.261] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2013] [Revised: 10/06/2014] [Accepted: 10/28/2014] [Indexed: 11/09/2022]
Abstract
BACKGROUND/OBJECTIVES The level of skin autofluorescence (AF) at a given moment is an independent predictor of mortality in hemodialysis (HD) patients. Skin AF is a measure of the accumulation of advanced glycation end products (AGEs). The aim of the study was to estimate the influence of nutrition on the 1-year increase of skin AF (ΔAF) in HD patients. SUBJECTS/METHODS A total of 156 HD patients were enrolled in this study. Skin AF, body mass index (BMI), superoxide dismutase, myeloperoxidase, C-reactive protein, inter-cellular adhesion molecule-1, von Willebrand factor and heart-type fatty acid-binding protein were measured four times at intervals of approximately half a year. Data from the monthly routine blood analysis were also used. Daily calorie, protein and AGE intakes were assessed from food recordings over a period of 1 week. RESULTS A J-shaped relation was found between baseline BMI and ΔAF (P=0.01). The lowest point of the J-shaped curve is found for BMI=24.3 kg/m(2). In the univariate analysis of the contributors to the 1-year ΔAF, we found that beside BMI=24.3 kg/m(2), AGE and calorie intakes, as well as myeloperoxidase and HD vintage, had a P <0.10. The sole independent predictor of the 1-year ΔAF was BMI=24.3 kg/m(2) (P=0.01). CONCLUSIONS It appears that calorie, protein and AGE intakes hardly influence the 1-year ΔAF in HD patients. BMI of HD patients of around 24 kg/m(2) resulted in a lower 1-year ΔAF.
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Affiliation(s)
- S Arsov
- Department of Nephrology, Clinical Centre, Skopje, Macedonia
| | - L Trajceska
- Department of Nephrology, Clinical Centre, Skopje, Macedonia
| | - W van Oeveren
- Department of Cardiopulmonary Surgery, University Medical Center Groningen and University of Groningen, Groningen, The Netherlands
| | - A J Smit
- Department of Internal Medicine, University Medical Center Groningen and University of Groningen, Groningen, The Netherlands
| | - P Dzekova
- Department of Nephrology, Clinical Centre, Skopje, Macedonia
| | - B Stegmayr
- Department of Nephrology, University Hospital, Umeå, Sweden
| | - A Sikole
- Department of Nephrology, Clinical Centre, Skopje, Macedonia
| | - G Rakhorst
- Department of Surgery, University Medical Center Groningen and University of Groningen, Groningen, The Netherlands
| | - R Graaff
- Department of Endocrinology, University Medical Center Groningen and University of Groningen, Groningen, The Netherlands
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Abstract
In vivo modification of proteins by molecules with reactive carbonyl groups leads to intermediate and advanced glycation end products (AGE). Glucose is a significant glycation reagent due to its high physiological concentration and poorly controlled diabetics show increased albumin glycation. Increased levels of glycated and AGE-modified albumin have been linked to diabetic complications, neurodegeneration, and vascular disease. This review discusses glycated albumin formation, structural consequences of albumin glycation on drug binding, removal of circulating AGE by several scavenger receptors, as well as AGE-induced proinflammatory signaling through activation of the receptor for AGE. Analytical methods for quantitative detection of protein glycation and AGE formation are compared. Finally, the use of glycated albumin as a novel clinical marker to monitor glycemic control is discussed and compared to glycated hemoglobin (HbA1c) as long-term indicator of glycemic status.
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Bodiga VL, Eda SR, Bodiga S. Advanced glycation end products: role in pathology of diabetic cardiomyopathy. Heart Fail Rev 2014; 19:49-63. [PMID: 23404649 DOI: 10.1007/s10741-013-9374-y] [Citation(s) in RCA: 143] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Increasing evidence demonstrates that advanced glycation end products (AGEs) play a pivotal role in the development and progression of diabetic heart failure, although there are numerous other factors that mediate the disease response. AGEs are generated intra- and extracellularly as a result of chronic hyperglycemia. Then, following the interaction with receptors for advanced glycation end products (RAGEs), a series of events leading to vascular and myocardial damage are elicited and sustained, which include oxidative stress, increased inflammation, and enhanced extracellular matrix accumulation resulting in diastolic and systolic dysfunction. Whereas targeting glycemic control and treating additional risk factors, such as obesity, dyslipidemia, and hypertension, are mandatory to reduce chronic complications and prolong life expectancy in diabetic patients, drug therapy tailored to reducing the deleterious effects of the AGE-RAGE interactions is being actively investigated and showing signs of promise in treating diabetic cardiomyopathy and associated heart failure. This review shall discuss the formation of AGEs in diabetic heart tissue, potential targets of glycation in the myocardium, and underlying mechanisms that lead to diabetic cardiomyopathy and heart failure along with the use of AGE inhibitors and breakers in mitigating myocardial injury.
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Affiliation(s)
- Vijaya Lakshmi Bodiga
- Department of Biotechnology, Krishna University, Machilipatnam, Andhra Pradesh, India
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Stirban A, Heinemann L. Skin Autofluorescence - A Non-invasive Measurement for Assessing Cardiovascular Risk and Risk of Diabetes. EUROPEAN ENDOCRINOLOGY 2014; 10:106-110. [PMID: 29872473 DOI: 10.17925/ee.2014.10.02.106] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/17/2014] [Accepted: 07/28/2014] [Indexed: 01/13/2023]
Abstract
The results of the Diabetes Control and Complications Trial-Epidemiology of Diabetes Interventions and Complications (DCCT-EDIC) study have strengthened the 'glycaemic memory' concept, postulating that the quality of metabolic control over several years predicts the development of diabetic complications. To mirror long-term metabolic control, the degree of glycated haemoglobin (HbA1c) might not represent the optimal biomarker. Other substances with a longer persistence, like the so-called advanced glycation end-products (AGEs), which probably form the substrate of the glycaemic memory, might perform better. Newly developed methods such as the assessment of skin autofluorescence (SAF), enable fast, uncomplicated and non-invasive AGEs assessment. SAF was validated for diabetes screening and shows a good predictive value for the development of diabetic and cardiovascular complications. This article deals with the theoretical background and with available clinical data on this new variable.
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Affiliation(s)
- Alin Stirban
- Director Endocrinology and Diabetes Complications
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Rebholz CM, Astor BC, Grams ME, Halushka MK, Lazo M, Hoogeveen RC, Ballantyne CM, Coresh J, Selvin E. Association of plasma levels of soluble receptor for advanced glycation end products and risk of kidney disease: the Atherosclerosis Risk in Communities study. Nephrol Dial Transplant 2014; 30:77-83. [PMID: 25147225 DOI: 10.1093/ndt/gfu282] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
BACKGROUND Advanced glycation end products and their cell-bound receptors are thought to mediate the adverse effects of vascular disease through oxidative stress, inflammation and endothelial dysfunction. We examined the association between the soluble form of receptor for advanced glycation end products (sRAGE) and kidney disease. METHODS In this case-cohort study nested within the Atherosclerosis Risk in Communities (ARIC) study, baseline sRAGE levels were measured in a cohort random sample of participants without kidney disease (n= 1218), and among participants who developed incident chronic kidney disease (CKD) [estimated glomerular filtration rate (eGFR) <60 mL/min/1.73 m(2) and ≥25% eGFR decline, n = 151] and end-stage renal disease (ESRD) [entry in the US Renal Data System (USRDS) registry, n = 152]. RESULTS Baseline sRAGE levels were inversely related to baseline eGFR (r = -0.13). After adjusting for age, sex and race, one interquartile range higher log10-transformed sRAGE was associated with development of CKD [odds ratio: 1.39; 95% confidence interval (95% CI) 1.06-1.83; P = 0.02] and ESRD (hazard ratio: 1.97; 95% CI 1.47-2.64; P < 0.001). These associations were not significant after eGFR adjustment. CONCLUSIONS High sRAGE levels are associated with incident CKD and ESRD risk, but not after adjustment for kidney function at baseline. Future studies are needed to investigate specific mechanisms underlying the association of sRAGE with kidney disease risk.
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Affiliation(s)
- Casey M Rebholz
- Department of Epidemiology and Welch Center for Prevention, Epidemiology and Clinical Research, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, USA
| | - Brad C Astor
- Departments of Medicine and Population Health Sciences, University of Wisconsin School of Medicine and Public Health, Madison, WI, USA
| | - Morgan E Grams
- Department of Epidemiology and Welch Center for Prevention, Epidemiology and Clinical Research, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, USA Division of Nephrology, Department of Medicine, Johns Hopkins School of Medicine, Baltimore, MD, USA
| | - Marc K Halushka
- Department of Pathology, Johns Hopkins School of Medicine, Baltimore, MD, USA
| | - Mariana Lazo
- Department of Epidemiology and Welch Center for Prevention, Epidemiology and Clinical Research, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, USA Division of General Internal Medicine, Department of Medicine, Johns Hopkins School of Medicine, Baltimore, MD, USA
| | - Ron C Hoogeveen
- Department of Medicine, Baylor College of Medicine and Methodist DeBakey Heart and Vascular Center, Houston, TX, USA
| | - Christie M Ballantyne
- Department of Medicine, Baylor College of Medicine and Methodist DeBakey Heart and Vascular Center, Houston, TX, USA
| | - Josef Coresh
- Department of Epidemiology and Welch Center for Prevention, Epidemiology and Clinical Research, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, USA Division of General Internal Medicine, Department of Medicine, Johns Hopkins School of Medicine, Baltimore, MD, USA
| | - Elizabeth Selvin
- Department of Epidemiology and Welch Center for Prevention, Epidemiology and Clinical Research, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, USA Division of General Internal Medicine, Department of Medicine, Johns Hopkins School of Medicine, Baltimore, MD, USA
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Crowley LE, Johnson CP, McIntyre N, Fluck RJ, McIntyre CW, Taal MW, Leung JCH. Tissue advanced glycation end product deposition after kidney transplantation. Nephron Clin Pract 2013; 124:54-9. [PMID: 24135496 DOI: 10.1159/000355692] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2013] [Accepted: 09/17/2013] [Indexed: 11/19/2022] Open
Abstract
BACKGROUND Tissue advanced glycation end products (AGEs) accumulate in chronic kidney disease (CKD) and are a measure of cumulative metabolic stress. Measurement of tissue AGEs by skin autofluorescence (SAF) correlates well with cardiovascular outcomes in dialysis patients. SAF levels in transplant recipients relative to CKD and dialysis patients have not been previously studied, and the impact of transplantation on SAF levels in dialysis patients is unknown. METHODS SAF was measured using an AGE reader in 66 patients who had received a kidney transplant. Values were compared to those obtained in 1,707 patients with CKD stage 3 and in 115 patients on dialysis. RESULTS Mean SAF in transplant recipients [2.81 ± 0.64 arbitrary units (AU)] was significantly lower than in patients on haemodialysis (3.73 ± 0.88 AU) and peritoneal dialysis (3.57 ± 0.75 AU; p < 0.001), but was no different from CKD stage 3 (2.79 ± 0.66 AU; p = 0.42). In the transplant group, SAF correlated most strongly with age (r = 0.316). There was no correlation between SAF and estimated glomerular filtration rate or renal replacement therapy vintage. A small cohort of patients with SAF recorded on dialysis and following transplantation showed a drop in SAF over a mean time of 16 months after transplantation. DISCUSSION Tissue AGE values in kidney transplant recipients are significantly lower than in patients receiving dialysis and similar to those in patients with CKD stage 3. Our data suggest that transplantation may be associated with a reduction in tissue AGEs, and this might be an important component of the observed reduction in cardiovascular risk in transplant recipients compared to patients on dialysis.
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Affiliation(s)
- Lisa E Crowley
- Department of Renal Medicine, Royal Derby Hospital, Derby, UK
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Abstract
Long-term peritoneal dialysis can lead to morphological and functional changes in the peritoneum. Although the range of morphological alterations is known for the peritoneal dialysis population as a whole, these changes will not occur in every patient in the same sequence and to the same extent. Longitudinal studies are therefore required to help identify which patients might develop the changes. Although longitudinal studies using peritoneal biopsies are not possible, analyses of peritoneal effluent biomarkers that represent morphological alterations could provide insight. Longitudinal studies on peritoneal transport have been performed, but follow-up has often been too short and an insufficient number of parameters have been investigated. This Review will firstly describe peritoneal morphology and structure and will then focus on peritoneal effluent biomarkers and their changes over time. Net ultrafiltration will also be discussed together with the transport of small solutes. Data on the peritoneal transport of serum proteins show that serum protein levels do not increase to the same extent as levels of small solutes with long-term peritoneal dialysis. Early alterations in peritoneal transport must be distinguished from alterations that only develop with long-term peritoneal dialysis. Early alterations are related to vasoactive mediators, whereas later alterations are related to neoangiogenesis and fibrosis. Modern peritoneal dialysis should focus on the early detection of long-term membrane alterations by biomarkers--such as cancer antigen 125, interleukin-6 and plasminogen activator inhibitor 1--and the improved assessment of peritoneal transport.
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Arsov S, Trajceska L, van Oeveren W, Smit AJ, Dzekova P, Stegmayr B, Sikole A, Rakhorst G, Graaff R. Increase in Skin Autofluorescence and Release of Heart-Type Fatty Acid Binding Protein in Plasma Predicts Mortality of Hemodialysis Patients. Artif Organs 2013; 37:E114-22. [DOI: 10.1111/aor.12078] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Stefan Arsov
- Department of Nephrology; Clinical Centre; Skopje; Macedonia
| | - Lada Trajceska
- Department of Nephrology; Clinical Centre; Skopje; Macedonia
| | - Wim van Oeveren
- Department of Cardio-Pulmonary Surgery; University Medical Center Groningen; Groningen; The Netherlands
| | - Andries J. Smit
- Department of Internal Medicine; University Medical Center Groningen; Groningen; The Netherlands
| | - Pavlina Dzekova
- Department of Nephrology; Clinical Centre; Skopje; Macedonia
| | - Bernd Stegmayr
- Department of Nephrology; University Hospital; Umeå; Sweden
| | | | - Gerhard Rakhorst
- Department of Surgery; University Medical Center Groningen; Groningen; The Netherlands
| | - Reindert Graaff
- UMC Staff; University Medical Center Groningen; Groningen; The Netherlands
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Advanced glycation end products and diabetic retinopathy. J Ocul Biol Dis Infor 2013; 5:63-9. [PMID: 24596941 DOI: 10.1007/s12177-013-9104-7] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2013] [Accepted: 04/03/2013] [Indexed: 01/08/2023] Open
Abstract
Studies have established hyperglycemia as the most important factor in the progress of vascular complications. Formation of advanced glycation end products (AGEs) correlates with glycemic control. The AGE hypothesis proposes that hyperglycemia contributes to the pathogenesis of diabetic complications including retinopathy. However, their role in diabetic retinopathy remains largely unknown. This review discusses the chemistry of AGEs formation and their patho-biochemistry particularly in relation to diabetic retinopathy. AGEs exert deleterious effects by acting directly to induce cross-linking of long-lived proteins to promote vascular stiffness, altering vascular structure and function and interacting with receptor for AGE, to induce intracellular signaling leading to enhanced oxidative stress and elaboration of key proinflammatory and prosclerotic cytokines. Novel anti-AGE strategies are being developed hoping that in next few years, some of these promising therapies will be successfully evaluated in clinical context aiming to reduce the major economical and medical burden caused by diabetic retinopathy.
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Abstract
The prevalence of heart failure (HF) is increasing. A distinction is made between diastolic HF (preserved left ventricular ejection fraction (LVEF)) and systolic HF (reduced LVEF). Advanced glycation end-products (AGEs) are crystallized proteins that accumulate during ageing, but are particularly increased in patients with diabetes mellitus and in patients with renal failure. Through the formation of collagen crosslinks, and by interaction with the AGE-receptor, which impairs calcium handling and increases fibrosis, AGE-accumulation has pathophysiologically been associated with the development of diastolic and renal dysfunction. Interestingly, diastolic dysfunction is a frequent finding in elderly patients, diabetic patients and in patients with renal failure. Taken together, this suggests that AGEs are related to the development and progression of diastolic HF and renal failure. In this review, the role of AGEs as a possible pathophysiological factor that link the development and progression of heart and renal failure, is discussed. Finally, the role of AGE intervention as a possible treatment in HF patients will be discussed.
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Abstract
Advanced glycation end products (AGEs) are formed by a nonenzymatic reaction of sugar moieties (eg, glucose, fructose, glycolytic adducts) with the free amino groups on amino acid residues of proteins. A growing body of data demonstrate that AGEs are intimately involved in the pathophysiology of cardiovascular disease by stimulating inflammation, contributing to atheroma formation, and modulating vascular stiffness. The role of AGEs as potential biomarkers for disease presence and prognosis in patients with diabetes mellitus remains an active area of study. Epidemiologic and angiographic studies suggest that AGE levels may be related to the presence and extent of atherosclerosis, and may predict future outcomes in select populations. The present review summarizes the relevant evidence supporting the role of advanced glycation in promoting atherosclerosis and the epidemiologic studies demonstrating an association between AGEs and diabetic cardiovascular disease.
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Rombach SM, van den Bogaard B, de Groot E, Groener JEM, Poorthuis BJ, Linthorst GE, van den Born BJH, Hollak CEM, Aerts JMFG. Vascular aspects of Fabry disease in relation to clinical manifestations and elevations in plasma globotriaosylsphingosine. Hypertension 2012; 60:998-1005. [PMID: 22868390 DOI: 10.1161/hypertensionaha.112.195685] [Citation(s) in RCA: 42] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Fabry disease is an X-linked hereditary lysosomal storage disorder attributed to a deficiency of α-galactosidase A leading to increased plasma levels of globotriaosylsphingosine (lysoGb3). The disease presents as a vascular disease, with cerebral, cardiac, and renal complications. Carotid intima-media thickness (IMT), brachial flow-mediated dilation (FMD), pulse wave velocity, and advanced glycation end products were measured in 57 classically affected patients (22 men and 35 women), 55 healthy matched controls (20 men and 35 women), and 10 atypical Fabry disease patients (5 men and 5 women). Most patients received enzyme replacement therapy. In classically affected male patients, brachial FMD was decreased (2.9% [95% CI, 0.8% to 7.9%] versus 5.9% [2.1% to 8.5%] in controls; P=0.01), and carotid IMT was increased (0.67 mm [95% CI, 0.50-0.96 mm] versus 0.59 mm [95% CI, 0.40-0.76 mm] in controls; P=0.01). In women and atypical patients these vascular parameters were comparable with controls. Pulse wave velocity was not different; advanced glycation end products were only slightly increased in atypical patients. In classically affected women, a small increase in lysoGb3 was associated with an increase in IMT independent of age. In the classically affected men, all with increased IMT and high levels of plasma lysoGb3, lysoGb3 levels did not add to a higher IMT, suggestive of a ceiling effect. For FMD, elevated lysoGb3 levels (>7 nmol/L) contributed to a 2.9% lower FMD independent of age and sex (P=0.02). Increased carotid IMT and decreased brachial FMD occur in classic Fabry disease, which is associated with plasma lysoGb3 level independent of age and sex. These observations still exist despite enzyme replacement therapy.
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Affiliation(s)
- Saskia M Rombach
- Department of Internal Medicine, Academic Medical Center, University of Amsterdam, Meibergdreef 9, 1105 AZ Amsterdam, the Netherlands
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Jiang J, Chen P, Chen J, Yu X, Xie D, Mei C, Xiong F, Shi W, Zhou W, Liu X, Sun S, Zhang P, Yang X, Zhang Y, Zhang Y, Liang X, Zhang Z, Lin Q, Yu Y, Miyata T, Tian J, Liang M, Luo W, Xu X, Hou F. Accumulation of tissue advanced glycation end products correlated with glucose exposure dose and associated with cardiovascular morbidity in patients on peritoneal dialysis. Atherosclerosis 2012; 224:187-94. [PMID: 22857897 DOI: 10.1016/j.atherosclerosis.2012.06.022] [Citation(s) in RCA: 46] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/24/2012] [Revised: 06/08/2012] [Accepted: 06/12/2012] [Indexed: 12/23/2022]
Abstract
OBJECTIVES Accumulation of tissue advanced glycation end products (AGEs) is a marker of cumulative glycemic and/or oxidative stress. Cutaneous AGEs levels measured by skin autofluorescence correlate well with cardiovascular outcomes in diabetes and hemodialysis (HD) patients. The present study aimed to compare tissue AGEs levels with peritoneal dialysis (PD) and HD patients and to evaluate the relationship between skin autofluorescence and cardiovascular morbidity in patients on PD. METHODS A total of 2388 maintenance dialysis patients (613 PD and 1775 HD) were enrolled in this cross-sectional study. Skin autofluorescence was measured non-invasively with an autofluorescence reader. Cardiovascular morbidity was defined as clinically diagnosed ischemic heart disease, heart failure, stroke or peripheral vascular disease from initiation of dialysis. RESULTS More than 90% of patients on both PD and HD had met current dialysis adequacy targets. Compared to HD group, PD patients receiving conventional glucose-containing dialyzate had significantly higher skin autofluorescence values in each category of age and dialysis duration, irrespective of the presence or absence of diabetes. In PD patients, skin autofluorescence values were strongly correlated with the duration of PD and glucose exposure dose and independently associated with cardiovascular morbidity. Multivariate analysis revealed that glucose exposure dose and skin autofluorescence were the strongest risk factors for cardiovascular morbidity in PD patients after adjustment by age, gender, and other classic- or uremic-related risk factors. CONCLUSIONS Accumulation of tissue AGEs provides a potential link between PD exposure of metabolic stress and progression of cardiovascular disease in patients on PD.
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Affiliation(s)
- Jianping Jiang
- Division of Nephrology, Nanfang Hospital, Southern Medical University, 1838 North Guangzhou Avenue, Guangzhou, China
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Skin autofluorescence is elevated in acute myocardial infarction and is associated with the one-year incidence of major adverse cardiac events. Neth Heart J 2011; 17:162-8. [PMID: 19421362 DOI: 10.1007/bf03086239] [Citation(s) in RCA: 55] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023] Open
Abstract
BACKGROUND.: ST-elevation myocardial infarction (STEMI) is associated with increased inflammation and oxidative stress, enhancing the formation of advanced glycation endproducts (AGEs). These encompass a characteristic fluorescence pattern, which can be non-invasively measured as skin autofluorescence (AF). In this study we investigate whether skin AF is elevated in STEMI, its association with inflammatory and glycaemic stress and its predictive value for future events. METHODS.: Skin AF was measured in 88 STEMI patients (mean age 64+/-13 years) within 72 hours and around six months after discharge, in 81 stable coronary artery disease (sCAD) patients (64+/-10 years), and in 32 healthy controls (63+/-11 years). The cumulative one-year incidence of all-cause mortality and hospitalisation for myocardial infarction or heart failure was documented. RESULTS.: Skin AF was significantly higher in STEMI compared with sCAD and controls, irrespective of confounders, and was associated with HbA1c and C-reactive protein. Skin AF decreased significantly in STEMI patients, when measured >200 days after discharge. In STEMI patients, skin AF above the median was predictive of future events (hazard ratio 11.6, 95% CI 1.5 to 90.8, p=0.019). CONCLUSION.: Skin AF is elevated in STEMI, is associated with inflammation and glycaemic stress, and predicts future major adverse cardiac events. (Neth Heart J 2009;17:162-8.Neth Heart J 2009;17:162-8.).
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Yue X, Hu H, Koetsier M, Graaff R, Han C. Reference values for the Chinese population of skin autofluorescence as a marker of advanced glycation end products accumulated in tissue. Diabet Med 2011; 28:818-23. [PMID: 21204956 DOI: 10.1111/j.1464-5491.2010.03217.x] [Citation(s) in RCA: 38] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
AIM Advanced glycation end products play an important role in the pathophysiology of several chronic and age-related diseases, especially diabetes mellitus. Skin autofluorescence is a non-invasive method for assessing levels of tissue advanced glycation end products. This study aims to establish the normal reference value of advanced glycation end products accumulated in tissue measured by the advanced glycation end product reader--skin autofluorescence--and discusses some factors influencing it. METHODS The values of autofluorescence in healthy individuals in China were determined by the advanced glycation end product reader; age, gender, skin reflectance, smoking habits and alcohol consumption of the subjects were also recorded. RESULTS The mean reference values of autofluorescence in healthy Chinese subjects are (95% confidence interval) 20-29 years: 1.54-1.62 arbitrary units; 30-39 years: 1.66-1.75; 40-49 years: 1.78-1.89; 50-59 years: 1.87-2.03; 60-69 years: 1.86-2.09; 70-79 years: 1.97-2.31. The value of autofluorescence is strongly related to age, but no significant difference between males and females were found (all P > 0.05). Autofluorescence was higher in smokers than in non-smokers (P < 0.05). In persons with low skin reflectance (< 10%), skin autofluorescence was dependent on skin colour, but was still related to age. CONCLUSIONS The mean reference values of autofluorescence we established could be used for a Chinese population in a clinical setting and are agreement with those in a Caucasian population. Future developments are needed to make the advanced glycation end product reader reliable for lower skin reflections as well, independently of the skin colour.
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Affiliation(s)
- X Yue
- Second Affiliated Hospital, Zhejiang University College of Medicine, Hangzhou, China
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Ueno H, Koyama H, Fukumoto S, Tanaka S, Shoji T, Shoji T, Emoto M, Tahara H, Inaba M, Kakiya R, Tabata T, Miyata T, Nishizawa Y. Advanced glycation end products, carotid atherosclerosis, and circulating endothelial progenitor cells in patients with end-stage renal disease. Metabolism 2011; 60:453-9. [PMID: 20494372 DOI: 10.1016/j.metabol.2010.04.001] [Citation(s) in RCA: 40] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/18/2009] [Revised: 02/05/2010] [Accepted: 04/06/2010] [Indexed: 01/22/2023]
Abstract
Numbers of endothelial progenitor cells (EPCs) have been shown to be decreased in subjects with end-stage renal disease (ESRD), the mechanism of which remained poorly understood. In this study, mutual association among circulating EPC levels, carotid atherosclerosis, serum pentosidine, and skin autofluorescence, a recently established noninvasive measure of advanced glycation end products accumulation, was examined in 212 ESRD subjects undergoing hemodialysis. Numbers of circulating EPCs were measured as CD34+ CD133+ CD45(low) VEGFR2+ cells and progenitor cells as CD34+ CD133+ CD45(low) fraction by flow cytometry. Skin autofluorescence was assessed by the autofluorescence reader; and serum pentosidine, by enzyme-linked immunosorbent assay. Carotid atherosclerosis was determined as intimal-medial thickness (IMT) measured by ultrasound. Circulating EPCs were significantly and inversely correlated with skin autofluorescence in ESRD subjects (R = -0.216, P = .002), but not with serum pentosidine (R = -0.079, P = .25). Circulating EPCs tended to be inversely associated with IMT (R = -0.125, P = .069). Intimal-medial thickness was also tended to be correlated positively with skin autofluorescence (R = 0.133, P = .054) and significantly with serum pentosidine (R = 0.159, P = .019). Stepwise multiple regression analyses reveal that skin autofluorescence, but not serum pentosidine and IMT, was independently associated with low circulating EPCs. Of note, skin autofluorescence was also inversely and independently associated with circulating progenitor cells. Thus, tissue accumulated, but not circulating, advanced glycation end products may be a determinant of a decrease in circulating EPCs in ESRD subjects.
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Affiliation(s)
- Hiroki Ueno
- Department of Metabolism, Endocrinology and Molecular Medicine, Osaka City University Graduate School of Medicine, Osaka 545-8585, Japan
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Noordzij MJ, Lefrandt JD, Loeffen EAH, Saleem BR, Meerwaldt R, Lutgers HL, Smit AJ, Zeebregts CJ. Skin autofluorescence is increased in patients with carotid artery stenosis and peripheral artery disease. Int J Cardiovasc Imaging 2011; 28:431-8. [PMID: 21336554 PMCID: PMC3288376 DOI: 10.1007/s10554-011-9805-6] [Citation(s) in RCA: 43] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/09/2010] [Accepted: 01/13/2011] [Indexed: 12/22/2022]
Abstract
Advanced glycation end products (AGEs) have a pivotal role in atherosclerosis. We evaluated skin autofluorescence (SAF), a non-invasive measurement of tissue AGE accumulation, in patients with carotid artery stenosis with and without coexisting peripheral artery occlusive disease (PAOD). SAF was measured using the AGE Reader™ in 56 patients with carotid artery stenosis and in 56 age- and sex-matched healthy controls without diabetes, renal dysfunction or known atherosclerotic disease. SAF was higher in patients with carotid artery stenosis compared to the control group: mean 2.81 versus 2.46 (P = 0.002), but especially in the younger age group of 50–60 years old: mean 2.82 versus 1.94 (P = 0.000). Patients with carotid artery stenosis and PAOD proved to have an even higher SAF than patients with carotid artery stenosis only: mean 3.28 versus 2.66 (P = 0.003). Backward linear regression analysis showed that age, smoking, diabetes mellitus, renal function and the presence of PAOD were the determinants of SAF, but carotid artery stenosis was not. SAF is increased in patients with carotid artery stenosis and PAOD. The univariate and multivariate associations of SAF with age, smoking, diabetes, renal insufficiency and PAOD suggest that increased SAF can be seen as an indicator of widespread atherosclerosis.
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Affiliation(s)
- Marjon J Noordzij
- Department of Internal Medicine, Division of Vascular Medicine, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
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40
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Noordzij MJ, Lefrandt JD, Graaff R, Smit AJ. Dermal factors influencing measurement of skin autofluorescence. Diabetes Technol Ther 2011; 13:165-70. [PMID: 21284484 DOI: 10.1089/dia.2010.0123] [Citation(s) in RCA: 37] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
BACKGROUND Skin autofluorescence (SAF) is a noninvasive marker of accumulation of advanced glycation end products. It predicts cardiovascular complications and mortality in diabetes and renal failure. We assessed the influence of potential common confounders in SAF measurement, by determining the effects of endogenous and exogenous local dermal changes by body creams, hyperemia, vasoconstriction, and hydration. METHODS SAF was measured before and after local administration of body lotion, day cream, sunscreen, or self-browning cream and after attempts to remove these effects with alcohol swabs and washing. SAF was measured before and during three hyperemia maneuvers: vasoconstriction and on a dry and wet skin. RESULTS The body lotion increased SAF by 18%. Day cream, sunscreen, and self-browning cream gave an increase of >100%. Except for body lotion, subsequent cleaning with alcohol swabs and washing with soap did not return SAF to baseline values. The effect of self-browning cream persisted for 2 weeks and that of sunscreen for 4 days. Hyperemia caused by a hot bath, capsicum cream, or postocclusive reactive hyperemia gave a decrease in SAF of, respectively, 18%, 22%, and 2.3%. Vasoconstriction caused by immersing the arm in cold water gave a 10% increase. Hydration state did not influence SAF. CONCLUSIONS Measurement of SAF is strongly affected by several skin creams. This effect was often not fully corrected by alcohol swabs and washing with soap and may persist for many days. Marked hyperemia and vasoconstriction also influence SAF. We advise avoiding these potential error sources.
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Affiliation(s)
- Margaretha J Noordzij
- Division of Vascular Medicine, Department of Internal Medicine, University Medical Centre Groningen, University of Groningen, Groningen, The Netherlands.
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Bartling B, Simm A, Sohst A, Silber RE, Hofmann HS. Effect of Diabetes Mellitus on the Outcome of Patients with Resected Non-Small Cell Lung Carcinoma. Gerontology 2011; 57:497-501. [DOI: 10.1159/000323856] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2010] [Accepted: 12/23/2010] [Indexed: 11/19/2022] Open
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Abstract
Over the course of our lifetime a stochastic process leads to gradual alterations of biomolecules on the molecular level, a process that is called ageing. Important changes are observed on the DNA-level as well as on the protein level and are the cause and/or consequence of our 'molecular clock', influenced by genetic as well as environmental parameters. These alterations on the molecular level may aid in forensic medicine to estimate the age of a living person, a dead body or even skeletal remains for identification purposes. Four such important alterations have become the focus of molecular age estimation in the forensic community over the last two decades. The age-dependent accumulation of the 4977bp deletion of mitochondrial DNA and the attrition of telomeres along with ageing are two important processes at the DNA-level. Among a variety of protein alterations, the racemisation of aspartic acid and advanced glycation endproducs have already been tested for forensic applications. At the moment the racemisation of aspartic acid represents the pinnacle of molecular age estimation for three reasons: an excellent standardization of sampling and methods, an evaluation of different variables in many published studies and highest accuracy of results. The three other mentioned alterations often lack standardized procedures, published data are sparse and often have the character of pilot studies. Nevertheless it is important to evaluate molecular methods for their suitability in forensic age estimation, because supplementary methods will help to extend and refine accuracy and reliability of such estimates.
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Affiliation(s)
- Christoph Meissner
- Department of Forensic Medicine, University of Schleswig-Holstein, Kahlhorststraße 31-35, 23562 Lübeck, Germany.
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Abstract
BACKGROUND Accumulation of advanced glycation end products (AGEs) is accelerated during glycemic and oxidative stress and is an important predictor of complications in diabetes mellitus (DM). STUDY DESIGN Here we both review and present original data on the relationship between skin autofluorescence (SAF), a noninvasive measure of AGEs, and short- and intermediate-term glycemic variations. RESULTS Acute changes in glucose levels during an oral glucose tolerance test in 56 persons with varying degrees of glucose tolerance did not influence SAF. AGE-rich meals result in a transient postprandial rise in SAF of 10% 2-4 h later. This could not be attributed to meal-induced glycemic changes and is probably caused by the AGE content of the meal. In type 1 DM major intermediate-term improvements of glycemic control as depicted by multiple hemoglobin A1c (HbA1c) measurements were associated with lower skin AGE levels. In a well-controlled, stable type 2 DM cohort, only a weak correlation was found between SAF and HbA1c. In both studies skin AGE/SAF levels predicted complications of diabetes with an accuracy superior to that of HbA1c. SAF has also been proposed as a new tool in diagnosing impaired glucose tolerance (IGT) and DM. It proved to be more sensitive than either fasting glucose or HbA1c. CONCLUSIONS SAF is not influenced by short-term glycemic variations. AGE-rich meals may, however, cause a transient rise postprandially. There is a weak correlation between SAF or skin AGEs and current or time-integrated HbA1c levels. SAF has strong added value in risk prediction of complications of diabetes and is a promising tool for early detection of diabetes and IGT.
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Affiliation(s)
- M J Noordzij
- Division of Vascular Medicine, Department of Internal Medicine, University Medical Center, Groningen, The Netherlands.
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44
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Ige S, Akhigbe R, Akinsanya A. The Role of Hyperglycemia in Skin Wrinkle Formation: Mediation of Advanced Glycation End-Products. ACTA ACUST UNITED AC 2010. [DOI: 10.3923/rjmsci.2010.324.329] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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Chabroux S, Canouï-Poitrine F, Reffet S, Mills-Joncour G, Morelon E, Colin C, Thivolet C. Advanced glycation end products assessed by skin autofluorescence in type 1 diabetics are associated with nephropathy, but not retinopathy. DIABETES & METABOLISM 2010; 36:152-7. [DOI: 10.1016/j.diabet.2009.11.003] [Citation(s) in RCA: 49] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/28/2009] [Revised: 11/03/2009] [Accepted: 11/08/2009] [Indexed: 11/26/2022]
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Hartog JW, van de Wal RM, Schalkwijk CG, Miyata T, Jaarsma W, Plokker HT, van Wijk LM, Smit AJ, van Veldhuisen DJ, Voors AA. Advanced glycation end-products, anti-hypertensive treatment and diastolic function in patients with hypertension and diastolic dysfunction. Eur J Heart Fail 2010; 12:397-403. [DOI: 10.1093/eurjhf/hfq001] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Affiliation(s)
- Jasper W.L. Hartog
- Department of Cardiology; University Medical Center Groningen and University of Groningen; Hanzeplein 1, PO Box 30001 9700 RB Groningen The Netherlands
| | - Ruud M. van de Wal
- Department of Cardiology; St Antonius Hospital; Nieuwegein The Netherlands
| | - Casper G. Schalkwijk
- Department of Medicine; Academic Hospital Maastricht; Debeyelaan 25, PO Box 5800 6202 AZ Maastricht The Netherlands
| | - Toshio Miyata
- Center for Translational and Advanced Research; Tohoku University Graduate School of Medicine; Miyagi Japan
| | - Wybren Jaarsma
- Department of Cardiology; St Antonius Hospital; Nieuwegein The Netherlands
| | - H.W. Thijs Plokker
- Department of Cardiology; St Antonius Hospital; Nieuwegein The Netherlands
| | - Leen M. van Wijk
- Department of Cardiology; Refaja Hospital; Stadskanaal The Netherlands
| | - Andries J. Smit
- Department of Medicine; University Medical Center Groningen and University of Groningen; Hanzeplein 1, PO Box 30001 9700 RB Groningen The Netherlands
| | - Dirk J. van Veldhuisen
- Department of Cardiology; University Medical Center Groningen and University of Groningen; Hanzeplein 1, PO Box 30001 9700 RB Groningen The Netherlands
| | - Adriaan A. Voors
- Department of Cardiology; University Medical Center Groningen and University of Groningen; Hanzeplein 1, PO Box 30001 9700 RB Groningen The Netherlands
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Willemsen S, Hartog JW, Hummel YM, Posma JL, van Wijk LM, van Veldhuisen DJ, Voors AA. Effects of alagebrium, an advanced glycation end-product breaker, in patients with chronic heart failure: study design and baseline characteristics of the BENEFICIAL trial. Eur J Heart Fail 2010; 12:294-300. [DOI: 10.1093/eurjhf/hfp207] [Citation(s) in RCA: 38] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Affiliation(s)
- Suzan Willemsen
- Department of Cardiology; University Medical Center Groningen, University of Groningen; PO Box 30.001 9700 RB Groningen The Netherlands
| | - Jasper W.L. Hartog
- Department of Cardiology; University Medical Center Groningen, University of Groningen; PO Box 30.001 9700 RB Groningen The Netherlands
| | - Yoran M. Hummel
- Department of Cardiology; University Medical Center Groningen, University of Groningen; PO Box 30.001 9700 RB Groningen The Netherlands
| | | | | | - Dirk J. van Veldhuisen
- Department of Cardiology; University Medical Center Groningen, University of Groningen; PO Box 30.001 9700 RB Groningen The Netherlands
| | - Adriaan A. Voors
- Department of Cardiology; University Medical Center Groningen, University of Groningen; PO Box 30.001 9700 RB Groningen The Netherlands
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Arsov S, Graaff R, Morariu AM, van Oeveren W, Smit AJ, Busletic I, Trajcevska L, Selim G, Dzekova P, Stegmayr B, Sikole A, Rakhorst G. Does hepatitis C increase the accumulation of advanced glycation end products in haemodialysis patients? Nephrol Dial Transplant 2009; 25:885-91. [DOI: 10.1093/ndt/gfp564] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023] Open
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Tessier FJ. The Maillard reaction in the human body. The main discoveries and factors that affect glycation. ACTA ACUST UNITED AC 2009; 58:214-9. [PMID: 19896783 DOI: 10.1016/j.patbio.2009.09.014] [Citation(s) in RCA: 141] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2009] [Accepted: 09/14/2009] [Indexed: 12/28/2022]
Abstract
Ever since the discovery of the Maillard reaction in 1912 and the discovery of the interaction between advanced glycation end-products and cellular receptors, impressive progress has been made in the knowledge of nonenzymatic browning of proteins in vivo. This reaction which leads to the accumulation of random damage in extracellular proteins is known to have deleterious effects on biological function, and is associated with aging and complication in chronic diseases. Despite a controlled membrane permeability and a protective regulation of the cells, intracellular proteins are also altered by the Maillard reaction. Two main factors, protein turnover and the concentration of carbonyls, are involved in the rate of formation of the Maillard products. This paper reviews the key milestones of the discovery of the Maillard reaction in vivo, better known as glycation, and the factors which are likely to affect it.
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Affiliation(s)
- F J Tessier
- Institut polytechnique LaSalle-Beauvais, 19, rue Pierre-Waguet, 60026 Beauvais, France.
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McIntyre NJ, Chesterton LJ, John SG, Jefferies HJ, Burton JO, Taal MW, Fluck RJ, McIntyre CW. Tissue-advanced glycation end product concentration in dialysis patients. Clin J Am Soc Nephrol 2009; 5:51-5. [PMID: 19965551 DOI: 10.2215/cjn.05350709] [Citation(s) in RCA: 45] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
BACKGROUND AND OBJECTIVES Tissue-advanced glycation end products (AGE) are a measure of cumulative metabolic stress. Assessment of tissue AGE by skin autofluoresence (AF) correlates well with cardiovascular outcomes in hemodialysis (HD) patients. This study aimed to measure and compare tissue AGE levels in HD and peritoneal dialysis (PD) patients and to evaluate the impact of systemic PD glucose exposure. DESIGN, SETTING, PARTICIPANTS, & MEASUREMENTS Tissue AGE were measured in 115 established dialysis patients (62 HD and 53 PD) using a cutaneous AF device (AGE Reader; DiagnOptics). Values were compared with an age-matched non-chronic kidney disease database. Review of all previous PD solution delivery/prescription data determined PD glucose exposure. RESULTS PD patients were similar in age to HD patients but had a shorter dialysis vintage. There were no differences in ischemic heart disease or smoking history, statin or angiotensin-converting enzyme inhibitor (ACEi) use, lipids, biochemistry, or prevalence of diabetes. More than 90% of both groups had met current dialysis adequacy targets. Skin AF values in PD and HD patients were similar and strongly correlated with historical PD glucose exposure. Skin AF correlated with age in both groups but with dialysis vintage only in PD patients CONCLUSIONS Cumulative metabolic stress and transient hyperglycemia results in grossly elevated levels of tissue AGE in dialysis patients. In PD patients, this high level of AGE deposition is associated with historical glucose exposure. This observation provides a previously unappreciated potential link between PD exposure to glucose and systemic cardiovascular disease.
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Affiliation(s)
- Natasha J McIntyre
- Department of Renal Medicine, Royal Derby Hospital, Uttoxeter Road, Derby DE22 3NE, UK
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