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Dai Y, Guo Y, Tang W, Chen D, Xue L, Chen Y, Guo Y, Wei S, Wu M, Dai J, Wang S. Reactive oxygen species-scavenging nanomaterials for the prevention and treatment of age-related diseases. J Nanobiotechnology 2024; 22:252. [PMID: 38750509 PMCID: PMC11097501 DOI: 10.1186/s12951-024-02501-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2024] [Accepted: 04/28/2024] [Indexed: 05/18/2024] Open
Abstract
With increasing proportion of the elderly in the population, age-related diseases (ARD) lead to a considerable healthcare burden to society. Prevention and treatment of ARD can decrease the negative impact of aging and the burden of disease. The aging rate is closely associated with the production of high levels of reactive oxygen species (ROS). ROS-mediated oxidative stress in aging triggers aging-related changes through lipid peroxidation, protein oxidation, and DNA oxidation. Antioxidants can control autoxidation by scavenging free radicals or inhibiting their formation, thereby reducing oxidative stress. Benefiting from significant advances in nanotechnology, a large number of nanomaterials with ROS-scavenging capabilities have been developed. ROS-scavenging nanomaterials can be divided into two categories: nanomaterials as carriers for delivering ROS-scavenging drugs, and nanomaterials themselves with ROS-scavenging activity. This study summarizes the current advances in ROS-scavenging nanomaterials for prevention and treatment of ARD, highlights the potential mechanisms of the nanomaterials used and discusses the challenges and prospects for their applications.
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Affiliation(s)
- Yun Dai
- Department of Obstetrics and Gynecology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, Hubei, China
- National Clinical Research Center for Obstetrical and Gynecological Diseases, Wuhan, 430030, Hubei, China
- Key Laboratory of Cancer Invasion and Metastasis, Ministry of Education, Wuhan, 430030, Hubei, China
| | - Yifan Guo
- Department of Marine Pharmacy, College of Food and Pharmaceutical Sciences, Ningbo University, Ningbo, 315800, China
| | - Weicheng Tang
- Department of Obstetrics and Gynecology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, Hubei, China
- National Clinical Research Center for Obstetrical and Gynecological Diseases, Wuhan, 430030, Hubei, China
- Key Laboratory of Cancer Invasion and Metastasis, Ministry of Education, Wuhan, 430030, Hubei, China
| | - Dan Chen
- Department of Obstetrics and Gynecology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, Hubei, China
- National Clinical Research Center for Obstetrical and Gynecological Diseases, Wuhan, 430030, Hubei, China
- Key Laboratory of Cancer Invasion and Metastasis, Ministry of Education, Wuhan, 430030, Hubei, China
| | - Liru Xue
- Department of Obstetrics and Gynecology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, Hubei, China
- National Clinical Research Center for Obstetrical and Gynecological Diseases, Wuhan, 430030, Hubei, China
- Key Laboratory of Cancer Invasion and Metastasis, Ministry of Education, Wuhan, 430030, Hubei, China
| | - Ying Chen
- Department of Obstetrics and Gynecology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, Hubei, China
- National Clinical Research Center for Obstetrical and Gynecological Diseases, Wuhan, 430030, Hubei, China
- Key Laboratory of Cancer Invasion and Metastasis, Ministry of Education, Wuhan, 430030, Hubei, China
| | - Yican Guo
- Department of Obstetrics and Gynecology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, Hubei, China
- National Clinical Research Center for Obstetrical and Gynecological Diseases, Wuhan, 430030, Hubei, China
- Key Laboratory of Cancer Invasion and Metastasis, Ministry of Education, Wuhan, 430030, Hubei, China
| | - Simin Wei
- Department of Obstetrics and Gynecology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, Hubei, China
- National Clinical Research Center for Obstetrical and Gynecological Diseases, Wuhan, 430030, Hubei, China
- Key Laboratory of Cancer Invasion and Metastasis, Ministry of Education, Wuhan, 430030, Hubei, China
| | - Meng Wu
- Department of Obstetrics and Gynecology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, Hubei, China.
- National Clinical Research Center for Obstetrical and Gynecological Diseases, Wuhan, 430030, Hubei, China.
- Key Laboratory of Cancer Invasion and Metastasis, Ministry of Education, Wuhan, 430030, Hubei, China.
| | - Jun Dai
- Department of Obstetrics and Gynecology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, Hubei, China.
- National Clinical Research Center for Obstetrical and Gynecological Diseases, Wuhan, 430030, Hubei, China.
- Key Laboratory of Cancer Invasion and Metastasis, Ministry of Education, Wuhan, 430030, Hubei, China.
| | - Shixuan Wang
- Department of Obstetrics and Gynecology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, Hubei, China.
- National Clinical Research Center for Obstetrical and Gynecological Diseases, Wuhan, 430030, Hubei, China.
- Key Laboratory of Cancer Invasion and Metastasis, Ministry of Education, Wuhan, 430030, Hubei, China.
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Russo E, Zanetti V, Macciò L, Benizzelli G, Carbone F, La Porta E, Esposito P, Verzola D, Garibotto G, Viazzi F. SGLT2 inhibition to target kidney aging. Clin Kidney J 2024; 17:sfae133. [PMID: 38803397 PMCID: PMC11129592 DOI: 10.1093/ckj/sfae133] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2024] [Indexed: 05/29/2024] Open
Abstract
Anti-aging therapy is the latest frontier in the world of medical science, especially for widespread diseases such as chronic kidney disease (CKD). Both renal aging and CKD are characterized by increased cellular senescence, inflammation and oxidative stress. A variety of cellular signalling mechanisms are involved in these processes, which provide new potential targets for therapeutic strategies aimed at counteracting the onset and progression of CKD. At the same time, sodium-glucose co-transporter 2 inhibitors (SGLT2is) continuously demonstrate large beneficial effects at all stages of the cardiorenal metabolic continuum. The broad-spectrum benefits of SGLT2is have led to changes in several treatment guidelines and to growing scientific interest in the underlying working principles. Multiple mechanisms have been studied to explain these great renal benefits, but many things remain to be solved. With this in mind, we provide an overview of the experimental evidence for the effects of SGLT2is on the molecular pathway's ability to modulate senescence, aging and parenchymal damage, especially at the kidney level. We propose to shed some light on the role of SGLT2is in kidney care by focusing on their potential to reduce the progression of kidney disease across the spectrum of aging and dysregulation of senescence.
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Affiliation(s)
- Elisa Russo
- Department of Internal Medicine, University of Genoa, Genoa, Italy
- IRCCS Ospedale Policlinico San Martino, Genoa, Italy
| | | | - Lucia Macciò
- Department of Internal Medicine, University of Genoa, Genoa, Italy
| | | | - Federico Carbone
- Department of Internal Medicine, University of Genoa, Genoa, Italy
- IRCCS Ospedale Policlinico San Martino, Genoa, Italy
| | - Edoardo La Porta
- UO Nephrology Dialysis and Transplant, IRCCS Istituto Giannina Gaslini, Genoa, Italy
- UOSD Dialysis IRCCS Istituto Giannina Gaslini, Genoa, Italy
| | - Pasquale Esposito
- Department of Internal Medicine, University of Genoa, Genoa, Italy
- IRCCS Ospedale Policlinico San Martino, Genoa, Italy
| | - Daniela Verzola
- Department of Internal Medicine, University of Genoa, Genoa, Italy
| | | | - Francesca Viazzi
- Department of Internal Medicine, University of Genoa, Genoa, Italy
- IRCCS Ospedale Policlinico San Martino, Genoa, Italy
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Dinh H, Kovács ZZA, Kis M, Kupecz K, Sejben A, Szűcs G, Márványkövi F, Siska A, Freiwan M, Pósa SP, Galla Z, Ibos KE, Bodnár É, Lauber GY, Goncalves AIA, Acar E, Kriston A, Kovács F, Horváth P, Bozsó Z, Tóth G, Földesi I, Monostori P, Cserni G, Podesser BK, Lehoczki A, Pokreisz P, Kiss A, Dux L, Csabafi K, Sárközy M. Role of the kisspeptin-KISS1R axis in the pathogenesis of chronic kidney disease and uremic cardiomyopathy. GeroScience 2024; 46:2463-2488. [PMID: 37987885 PMCID: PMC10828495 DOI: 10.1007/s11357-023-01017-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2023] [Accepted: 11/07/2023] [Indexed: 11/22/2023] Open
Abstract
The prevalence of chronic kidney disease (CKD) is increasing globally, especially in elderly patients. Uremic cardiomyopathy is a common cardiovascular complication of CKD, characterized by left ventricular hypertrophy (LVH), diastolic dysfunction, and fibrosis. Kisspeptins and their receptor, KISS1R, exert a pivotal influence on kidney pathophysiology and modulate age-related pathologies across various organ systems. KISS1R agonists, including kisspeptin-13 (KP-13), hold promise as novel therapeutic agents within age-related biological processes and kidney-related disorders. Our investigation aimed to elucidate the impact of KP-13 on the trajectory of CKD and uremic cardiomyopathy. Male Wistar rats (300-350 g) were randomized into four groups: (I) sham-operated, (II) 5/6 nephrectomy-induced CKD, (III) CKD subjected to a low dose of KP-13 (intraperitoneal 13 µg/day), and (IV) CKD treated with a higher KP-13 dose (intraperitoneal 26 µg/day). Treatments were administered daily from week 3 for 10 days. After 13 weeks, KP-13 increased systemic blood pressure, accentuating diastolic dysfunction's echocardiographic indicators and intensifying CKD-associated markers such as serum urea levels, glomerular hypertrophy, and tubular dilation. Notably, KP-13 did not exacerbate circulatory uremic toxin levels, renal inflammation, or fibrosis markers. In contrast, the higher KP-13 dose correlated with reduced posterior and anterior wall thickness, coupled with diminished cardiomyocyte cross-sectional areas and concurrent elevation of inflammatory (Il6, Tnf), fibrosis (Col1), and apoptosis markers (Bax/Bcl2) relative to the CKD group. In summary, KP-13's influence on CKD and uremic cardiomyopathy encompassed heightened blood pressure and potentially activated inflammatory and apoptotic pathways in the left ventricle.
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Affiliation(s)
- Hoa Dinh
- Department of Biochemistry and Interdisciplinary Centre of Excellence, Albert Szent-Györgyi Medical School, University of Szeged, 6720, Szeged, Hungary
- Department of Biochemistry, Bach Mai Hospital, Hanoi, 100000, Vietnam
| | - Zsuzsanna Z A Kovács
- Department of Biochemistry and Interdisciplinary Centre of Excellence, Albert Szent-Györgyi Medical School, University of Szeged, 6720, Szeged, Hungary
| | - Merse Kis
- Department of Biochemistry and Interdisciplinary Centre of Excellence, Albert Szent-Györgyi Medical School, University of Szeged, 6720, Szeged, Hungary
- Department of Pathophysiology, Albert Szent-Györgyi Medical School, University of Szeged, Szeged, 6720, Hungary
| | - Klaudia Kupecz
- Department of Biochemistry and Interdisciplinary Centre of Excellence, Albert Szent-Györgyi Medical School, University of Szeged, 6720, Szeged, Hungary
- Department of Pathophysiology, Albert Szent-Györgyi Medical School, University of Szeged, Szeged, 6720, Hungary
| | - Anita Sejben
- Department of Pathology, Albert Szent-Györgyi Medical School, University of Szeged, Szeged, 6720, Hungary
| | - Gergő Szűcs
- Department of Biochemistry and Interdisciplinary Centre of Excellence, Albert Szent-Györgyi Medical School, University of Szeged, 6720, Szeged, Hungary
| | - Fanni Márványkövi
- Department of Biochemistry and Interdisciplinary Centre of Excellence, Albert Szent-Györgyi Medical School, University of Szeged, 6720, Szeged, Hungary
| | - Andrea Siska
- Department of Laboratory Medicine, Albert Szent-Györgyi Medical School, University of Szeged, 6720, Szeged, Hungary
| | - Marah Freiwan
- Department of Biochemistry and Interdisciplinary Centre of Excellence, Albert Szent-Györgyi Medical School, University of Szeged, 6720, Szeged, Hungary
| | - Szonja Polett Pósa
- Department of Biochemistry and Interdisciplinary Centre of Excellence, Albert Szent-Györgyi Medical School, University of Szeged, 6720, Szeged, Hungary
| | - Zsolt Galla
- Metabolic and Newborn Screening Laboratory, Department of Pediatrics, Albert Szent-Györgyi Medical School, University of Szeged, 6720, Szeged, Hungary
| | - Katalin Eszter Ibos
- Department of Pathophysiology, Albert Szent-Györgyi Medical School, University of Szeged, Szeged, 6720, Hungary
| | - Éva Bodnár
- Department of Pathophysiology, Albert Szent-Györgyi Medical School, University of Szeged, Szeged, 6720, Hungary
| | - Gülsüm Yilmaz Lauber
- Ludwig Boltzmann Institute for Cardiovascular Research at Center for Biomedical Research and Translational Surgery, Medical University of Vienna, 1090, Vienna, Austria
| | - Ana Isabel Antunes Goncalves
- Ludwig Boltzmann Institute for Cardiovascular Research at Center for Biomedical Research and Translational Surgery, Medical University of Vienna, 1090, Vienna, Austria
| | - Eylem Acar
- Ludwig Boltzmann Institute for Cardiovascular Research at Center for Biomedical Research and Translational Surgery, Medical University of Vienna, 1090, Vienna, Austria
| | - András Kriston
- Synthetic and Systems Biology Unit, Biological Research Centre, Eötvös Loránd Research Network, 6726, Szeged, Hungary
- Single-Cell Technologies Ltd, Szeged, 6726, Hungary
- Institute for Molecular Medicine Finland (FIMM), University of Helsinki, 00014, Helsinki, Finland
| | - Ferenc Kovács
- Synthetic and Systems Biology Unit, Biological Research Centre, Eötvös Loránd Research Network, 6726, Szeged, Hungary
- Single-Cell Technologies Ltd, Szeged, 6726, Hungary
- Institute for Molecular Medicine Finland (FIMM), University of Helsinki, 00014, Helsinki, Finland
| | - Péter Horváth
- Synthetic and Systems Biology Unit, Biological Research Centre, Eötvös Loránd Research Network, 6726, Szeged, Hungary
- Single-Cell Technologies Ltd, Szeged, 6726, Hungary
- Institute for Molecular Medicine Finland (FIMM), University of Helsinki, 00014, Helsinki, Finland
| | - Zsolt Bozsó
- Department of Medical Chemistry, Albert Szent-Györgyi Medical School, University of Szeged, 6720, Szeged, Hungary
| | - Gábor Tóth
- Department of Medical Chemistry, Albert Szent-Györgyi Medical School, University of Szeged, 6720, Szeged, Hungary
| | - Imre Földesi
- Department of Laboratory Medicine, Albert Szent-Györgyi Medical School, University of Szeged, 6720, Szeged, Hungary
| | - Péter Monostori
- Metabolic and Newborn Screening Laboratory, Department of Pediatrics, Albert Szent-Györgyi Medical School, University of Szeged, 6720, Szeged, Hungary
| | - Gábor Cserni
- Department of Pathology, Albert Szent-Györgyi Medical School, University of Szeged, Szeged, 6720, Hungary
| | - Bruno K Podesser
- Ludwig Boltzmann Institute for Cardiovascular Research at Center for Biomedical Research and Translational Surgery, Medical University of Vienna, 1090, Vienna, Austria
| | - Andrea Lehoczki
- Departments of Hematology and Stem Cell Transplantation, South Pest Central Hospital, National Institute of Hematology and Infectious Diseases, Saint Ladislaus Campus, Budapest, Hungary
| | - Peter Pokreisz
- Ludwig Boltzmann Institute for Cardiovascular Research at Center for Biomedical Research and Translational Surgery, Medical University of Vienna, 1090, Vienna, Austria
| | - Attila Kiss
- Ludwig Boltzmann Institute for Cardiovascular Research at Center for Biomedical Research and Translational Surgery, Medical University of Vienna, 1090, Vienna, Austria
| | - László Dux
- Department of Biochemistry and Interdisciplinary Centre of Excellence, Albert Szent-Györgyi Medical School, University of Szeged, 6720, Szeged, Hungary.
| | - Krisztina Csabafi
- Department of Pathophysiology, Albert Szent-Györgyi Medical School, University of Szeged, Szeged, 6720, Hungary
| | - Márta Sárközy
- Department of Biochemistry and Interdisciplinary Centre of Excellence, Albert Szent-Györgyi Medical School, University of Szeged, 6720, Szeged, Hungary.
- Department of Pathophysiology, Albert Szent-Györgyi Medical School, University of Szeged, Szeged, 6720, Hungary.
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Ravender R, Roumelioti ME, Schmidt DW, Unruh ML, Argyropoulos C. Chronic Kidney Disease in the Older Adult Patient with Diabetes. J Clin Med 2024; 13:348. [PMID: 38256482 PMCID: PMC10816477 DOI: 10.3390/jcm13020348] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2023] [Revised: 12/27/2023] [Accepted: 01/04/2024] [Indexed: 01/24/2024] Open
Abstract
Diabetes mellitus (DM) and chronic kidney disease (CKD) are common in middle aged and older adult individuals. DM may accelerate the aging process, and the age-related declines in the estimated glomerular filtration rate (eGFR) can pose a challenge to diagnosing diabetic kidney disease (DKD) using standard diagnostic criteria especially with the absence of severe albuminuria among older adults. In the presence of CKD and DM, older adult patients may need multidisciplinary care due to susceptibility to various health issues, e.g., cognitive decline, auditory or visual impairment, various comorbidities, complex medical regimens, and increased sensitivity to medication adverse effects. As a result, it can be challenging to apply recent therapeutic advancements for the general population to older adults. We review the evidence that the benefits from these newer therapies apply equally to older and younger patients with CKD and diabetes type 2 and propose a comprehensive management. This framework will address nonpharmacological measures and pharmacological management with renin angiotensin system inhibitors (RASi), sodium glucose co-transporter 2 inhibitors (SGLT2i), non-steroidal mineralocorticoids receptor antagonists (MRAs), and glucagon like peptide 1 receptor agonists (GLP1-RAs).
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Affiliation(s)
| | | | | | | | - Christos Argyropoulos
- Division of Nephrology, Department of Internal Medicine, University of New Mexico School of Medicine, MSC 04-2785, Albuquerque, NM 87131, USA; (R.R.); (M.-E.R.); (D.W.S.); (M.L.U.)
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Pastacı Özsobacı N, Karataş M, Tunçdemir M, Özcelik D. Effect of angiotensin-converting enzyme inhibitor and angiotensin receptor blocker on oxidative stress and metabolism of elements in kidney of STZ-induced diabetic rats. Arch Biochem Biophys 2024; 751:109851. [PMID: 38065251 DOI: 10.1016/j.abb.2023.109851] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2023] [Revised: 10/08/2023] [Accepted: 12/03/2023] [Indexed: 12/22/2023]
Abstract
In diabetes, increased oxidative stress and impaired trace element metabolism play an important role in the pathogenesis of diabetic nephropathy. The objective of this research was to examine the outcomes of blocking the renin-angiotensin system, using either the angiotensin-converting enzyme inhibitor (ACEI), perindopril, or the angiotensin II type 1 (AT1) receptor blocker, irbesartan, on oxidative stress and trace element levels such as Zn, Mg, Cu, and Fe in the kidneys of diabetic rats that had been induced with streptozotocin. Thirty-two Wistar albino male rats were equally divided into four groups. The first group was used as a control. The second group of rats developed diabetes after receiving a single intraperitoneal dose of STZ. The third and fourth groups of rats had STZ-induced diabetes and received daily dosages of irbesartan (15 mg/kg b.w/day) and perindopril (6 mg/kg b.w/day) treatment, respectively. Biochemical analysis of the kidneys showed a distinct increase in oxidative stress, indicated by heightened levels of malondialdehyde (MDA) and decreased superoxide dismutase (SOD) activities, as well as reduced glutathione (GSH) levels in the kidneys of diabetic rats. In the kidneys of diabetic rats, the mean levels of Fe and Cu were found to be significantly higher than those of the control group. Additionally, the mean levels of Zn and Mg were significantly lower in the diabetic rats compared to the control rats. Both perindopril and irbesartan decreased significantly MDA content and increased SOD activities and GSH levels in the kidneys of rats with diabetes. The Zn and Mg concentrations in the kidneys of diabetic rats treated with perindopril and irbesartan were markedly higher than in untreated STZ-diabetic rats, while the Cu and Fe concentrations were significantly lower. The urinary excretion of rats treated with perindopril and irbesartan showed a pronounced increase in Cu levels, along with a significant reduction in Zn and Mg levels. Although diabetic rats demonstrated degenerative morphological alterations in their kidneys, both therapies also improved diabetes-induced histopathological modifications in the kidneys. Finally, the present results suggest that manipulating the levels of Zn, Mg, Cu, and Fe - either through ACE inhibition or by blocking AT1 receptors - could be advantageous in reducing lipid peroxidation and increasing antioxidant concentration in the kidneys of diabetic rats.
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Affiliation(s)
- Nural Pastacı Özsobacı
- Department of Biophysics, Cerrahpasa Medical Faculty, Istanbul University- Cerrahpasa, Fatih, Istanbul, Turkiye.
| | - Metehan Karataş
- Department of Medical Biology, Cerrahpasa Medical Faculty, Istanbul University- Cerrahpasa, Fatih, Istanbul, Turkiye
| | - Matem Tunçdemir
- Department of Medical Biology, Cerrahpasa Medical Faculty, Istanbul University- Cerrahpasa, Fatih, Istanbul, Turkiye
| | - Derviş Özcelik
- Department of Biophysics, Cerrahpasa Medical Faculty, Istanbul University- Cerrahpasa, Fatih, Istanbul, Turkiye; Department of Biophysics, Medical Faculty, Istanbul Arel University, Istanbul, Turkiye
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Zhao P, Xu H, Shi Y, Song X, Qiu G, Ding C, Zhou W, Yu C, Wang T, Zhu L, Bao H, Cheng X. Association between bilirubin and chronic kidney disease in hypertensive patients: The China hypertension registry study. J Clin Hypertens (Greenwich) 2023; 25:1185-1192. [PMID: 37986685 PMCID: PMC10710547 DOI: 10.1111/jch.14727] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2023] [Revised: 09/04/2023] [Accepted: 09/05/2023] [Indexed: 11/22/2023]
Abstract
Limited data exists on the association between Direct bilirubin (DBIL) and Indirect bilirubin (IBIL) with the risk of chronic kidney disease (CKD) among patients with hypertension. This study aimed to assess the relationship between DBIL and IBIL with the risk of CKD in a cohort of Chinese adults diagnosed with hypertension. This study included 14 182 Chinese patients with hypertension between the ages of 27 and 96. CKD, the outcome variable, was defined by an estimated glomerular filtration rate (eGFR) <60 mL/min/1.73 m2 . The study employed multivariate linear and multivariate logistic regression analysis to evaluate the correlation between DBIL and IBIL with the risk of CKD. The prevalence of CKD in the study population was 9.77%. Multivariate logistic regression analysis showed that the increase in DBIL (OR: 0.66; 95% CI: 0.61, 0.71) and IBIL (OR: 0.75; 95% CI: 0.71, 0.81) were independently and negatively correlated with CKD. Further analyses using a restricted cubic spline (smooth-fitting curve) confirmed the linearly negative association between DBIL and IBIL with the risk of CKD. The subgroup analysis showed that the correlation between IBIL and CKD was stronger among men and populations <65 years of age (p for interaction <.05). DBIL and IBIL were independently and negatively associated with CKD. Furthermore, the correlation between DBIL and IBIL with CKD in the hypertensive population is more significant in those under 65 years of age. These findings may inform future strategies for the management of CKD.
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Affiliation(s)
- Peixu Zhao
- Department of Cardiovascular Medicinethe Second Affiliated Hospital of Nanchang UniversityNanchangJiangxiChina
- Jiangxi Provincial Cardiovascular Disease Clinical Medical Research CenterNanchangJiangxiChina
- Jiangxi Sub‐center of National Clinical Research Center for Cardiovascular DiseasesNanChangJiangxiChina
| | - Haitao Xu
- Rongcheng City Renhe Health CenterRongchengShandong ProvinceChina
| | - Yumeng Shi
- Department of Cardiovascular Medicinethe Second Affiliated Hospital of Nanchang UniversityNanchangJiangxiChina
- Jiangxi Provincial Cardiovascular Disease Clinical Medical Research CenterNanchangJiangxiChina
- Jiangxi Sub‐center of National Clinical Research Center for Cardiovascular DiseasesNanChangJiangxiChina
| | - Xiaoli Song
- Department of Cardiovascular Medicinethe Second Affiliated Hospital of Nanchang UniversityNanchangJiangxiChina
- Jiangxi Provincial Cardiovascular Disease Clinical Medical Research CenterNanchangJiangxiChina
- Jiangxi Sub‐center of National Clinical Research Center for Cardiovascular DiseasesNanChangJiangxiChina
| | - Guosheng Qiu
- Department of Cardiovascular Medicinethe Second Affiliated Hospital of Nanchang UniversityNanchangJiangxiChina
- Jiangxi Provincial Cardiovascular Disease Clinical Medical Research CenterNanchangJiangxiChina
- Jiangxi Sub‐center of National Clinical Research Center for Cardiovascular DiseasesNanChangJiangxiChina
| | - Congcong Ding
- Department of Cardiovascular Medicinethe Second Affiliated Hospital of Nanchang UniversityNanchangJiangxiChina
- Jiangxi Provincial Cardiovascular Disease Clinical Medical Research CenterNanchangJiangxiChina
- Jiangxi Sub‐center of National Clinical Research Center for Cardiovascular DiseasesNanChangJiangxiChina
| | - Wei Zhou
- Jiangxi Provincial Cardiovascular Disease Clinical Medical Research CenterNanchangJiangxiChina
- Jiangxi Sub‐center of National Clinical Research Center for Cardiovascular DiseasesNanChangJiangxiChina
- Center for Prevention and Treatment of Cardiovascular Diseasesthe Second Affiliated Hospital of Nanchang UniversityNanchangJiangxiChina
| | - Chao Yu
- Jiangxi Provincial Cardiovascular Disease Clinical Medical Research CenterNanchangJiangxiChina
- Jiangxi Sub‐center of National Clinical Research Center for Cardiovascular DiseasesNanChangJiangxiChina
- Center for Prevention and Treatment of Cardiovascular Diseasesthe Second Affiliated Hospital of Nanchang UniversityNanchangJiangxiChina
| | - Tao Wang
- Jiangxi Provincial Cardiovascular Disease Clinical Medical Research CenterNanchangJiangxiChina
- Jiangxi Sub‐center of National Clinical Research Center for Cardiovascular DiseasesNanChangJiangxiChina
- Center for Prevention and Treatment of Cardiovascular Diseasesthe Second Affiliated Hospital of Nanchang UniversityNanchangJiangxiChina
| | - Lingjuan Zhu
- Jiangxi Provincial Cardiovascular Disease Clinical Medical Research CenterNanchangJiangxiChina
- Jiangxi Sub‐center of National Clinical Research Center for Cardiovascular DiseasesNanChangJiangxiChina
- Center for Prevention and Treatment of Cardiovascular Diseasesthe Second Affiliated Hospital of Nanchang UniversityNanchangJiangxiChina
| | - Huihui Bao
- Department of Cardiovascular Medicinethe Second Affiliated Hospital of Nanchang UniversityNanchangJiangxiChina
- Jiangxi Provincial Cardiovascular Disease Clinical Medical Research CenterNanchangJiangxiChina
- Jiangxi Sub‐center of National Clinical Research Center for Cardiovascular DiseasesNanChangJiangxiChina
- Center for Prevention and Treatment of Cardiovascular Diseasesthe Second Affiliated Hospital of Nanchang UniversityNanchangJiangxiChina
| | - Xiaoshu Cheng
- Department of Cardiovascular Medicinethe Second Affiliated Hospital of Nanchang UniversityNanchangJiangxiChina
- Jiangxi Provincial Cardiovascular Disease Clinical Medical Research CenterNanchangJiangxiChina
- Jiangxi Sub‐center of National Clinical Research Center for Cardiovascular DiseasesNanChangJiangxiChina
- Center for Prevention and Treatment of Cardiovascular Diseasesthe Second Affiliated Hospital of Nanchang UniversityNanchangJiangxiChina
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Hao T, Chen L, Wu C, Xie J, Li C, Xie H, Du Z, Liu L, Yang Y, Liu S, Hou X, Qiu H. Impact of renal complications on outcome in adult patients with acute fulminant myocarditis receiving venoarterial extracorporeal membrane oxygenation: an analysis of nationwide CSECLS database in China. Ann Intensive Care 2023; 13:93. [PMID: 37755544 PMCID: PMC10533475 DOI: 10.1186/s13613-023-01186-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2023] [Accepted: 09/04/2023] [Indexed: 09/28/2023] Open
Abstract
BACKGROUND Limited data are available on renal complications in patients with acute fulminant myocarditis (AFM) receiving venoarterial extracorporeal membrane oxygenation (VA-ECMO) support in China. To evaluate the impact of renal complications on outcomes in adult patients with AFM supported with VA-ECMO. METHODS Data were extracted from Chinese Society of ExtraCorporeal Life Support (CSECLS) Registry database. Adult patients who were diagnosed with AFM receiving VA-ECMO support in the database were included. The primary outcome was 30-day mortality in patients with AFM supported with VA-ECMO. Logistic regression model was used to examine the impact of renal complications on 30-day mortality by adjusting confounders. RESULTS A total of 202 patients were included. The median age was 38 years (IQR 29-48) and males (n = 103) represented 51.0% of the total accounted patients. The median ECMO duration was 142.9 h (IQR 112.1-188.8 h). 178 (88.1%) patients weaned from ECMO and 156 (71.9%) patients survived. 94(46.5%) patients developed renal complications while on ECMO course. Patients with renal complications had higher 30-day mortality (40.7% (37 of 94) vs 8.3% (9 of 108), P < 0.001) compared with those without. The development of renal complications was related to a 3.12-fold increase risk of 30-day mortality (adjusted OR 3.120, 95%CI 1.002-6.577, P = 0.049). Increasing age (adjusted OR1.025, 95% CI 1.008-1.298, P = 0.040) and higher SOFA score (adjusted OR 1.162, 95%CI 1.012-1.334, P = 0.034) were independent risk factors of renal complications. CONCLUSIONS Our findings demonstrated that patients with AFM receiving VA-ECMO at high risk of developing renal complications. Advancing age and higher SOFA score was associated with increased risk of developing renal complications. The onset of renal complications was significantly associated with 30-day mortality.
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Affiliation(s)
- Tong Hao
- Jiangsu Provincial Key Laboratory of Critical Care Medicine, Department of Critical Care Medicine, Trauma Center, Zhongda Hospital, School of Medicine, Southeast University, Nanjing, 210009, Jiangsu, People's Republic of China
| | - Lei Chen
- Jiangsu Provincial Key Laboratory of Critical Care Medicine, Department of Critical Care Medicine, Trauma Center, Zhongda Hospital, School of Medicine, Southeast University, Nanjing, 210009, Jiangsu, People's Republic of China
| | - Changde Wu
- Jiangsu Provincial Key Laboratory of Critical Care Medicine, Department of Critical Care Medicine, Trauma Center, Zhongda Hospital, School of Medicine, Southeast University, Nanjing, 210009, Jiangsu, People's Republic of China
| | - Jianfeng Xie
- Jiangsu Provincial Key Laboratory of Critical Care Medicine, Department of Critical Care Medicine, Trauma Center, Zhongda Hospital, School of Medicine, Southeast University, Nanjing, 210009, Jiangsu, People's Republic of China
| | - Chenglong Li
- Center for Cardiac Intensive Care, Beijing Anzhen Hospital, Capital Medical University, Beijing, People's Republic of China
| | - Haixiu Xie
- Center for Cardiac Intensive Care, Beijing Anzhen Hospital, Capital Medical University, Beijing, People's Republic of China
| | - Zhongtao Du
- Center for Cardiac Intensive Care, Beijing Anzhen Hospital, Capital Medical University, Beijing, People's Republic of China
| | - Ling Liu
- Jiangsu Provincial Key Laboratory of Critical Care Medicine, Department of Critical Care Medicine, Trauma Center, Zhongda Hospital, School of Medicine, Southeast University, Nanjing, 210009, Jiangsu, People's Republic of China
| | - Yi Yang
- Jiangsu Provincial Key Laboratory of Critical Care Medicine, Department of Critical Care Medicine, Trauma Center, Zhongda Hospital, School of Medicine, Southeast University, Nanjing, 210009, Jiangsu, People's Republic of China.
| | - Songqiao Liu
- Jiangsu Provincial Key Laboratory of Critical Care Medicine, Department of Critical Care Medicine, Trauma Center, Zhongda Hospital, School of Medicine, Southeast University, Nanjing, 210009, Jiangsu, People's Republic of China.
- Nanjing Lishui People's Hospital, Zhongda Hospital Lishui Branch, Southeast University, No. 86 Chongwen Road, Lishui District, Nanjing, 211200, Jiangsu, People's Republic of China.
| | - Xiaotong Hou
- Center for Cardiac Intensive Care, Beijing Anzhen Hospital, Capital Medical University, Beijing, People's Republic of China
| | - Haibo Qiu
- Jiangsu Provincial Key Laboratory of Critical Care Medicine, Department of Critical Care Medicine, Trauma Center, Zhongda Hospital, School of Medicine, Southeast University, Nanjing, 210009, Jiangsu, People's Republic of China
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Bajwa S, Luebbe A, Vo NDN, Piskor EM, Kosan C, Wolf G, Loeffler I. RAGE is a critical factor of sex-based differences in age-induced kidney damage. Front Physiol 2023; 14:1154551. [PMID: 37064891 PMCID: PMC10090518 DOI: 10.3389/fphys.2023.1154551] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2023] [Accepted: 03/14/2023] [Indexed: 03/31/2023] Open
Abstract
Introduction: Advanced glycation end products (AGEs) are a heterogeneous group of molecules with potential pathophysiological effects on the kidneys. Fibrosis together with the accumulation of AGEs has been investigated for its contribution to age-related decline in renal function. AGEs mediate their effects in large parts through their interactions with the receptor for AGEs (RAGE). RAGE is a transmembrane protein that belongs to the immunoglobulin superfamily and has the ability to interact with multiple pro-inflammatory/pro-oxidative ligands. The role of RAGE in aging kidneys has not been fully characterized, especially for sex-based differences.Methods: Therefore, we analyzed constitutive RAGE knockout (KO) mice in an age- and sex-dependent manner. Paraffin-embedded kidney sections were used for histological analysis and protein expression of fibrosis and damage markers. RNA expression analysis from the kidney cortex was done by qPCR for AGE receptors, kidney damage, and early inflammation/fibrosis factors. FACS analysis was used for immune cell profiling of the kidneys.Results: Histological analysis revealed enhanced infiltration of immune cells (positive for B220) in aged (>70 weeks old) KO mice in both sexes. FACS analysis revealed a similar pattern of enhanced B-1a cells in aged KO mice. There was an age-based increase in pro-fibrotic and pro-inflammatory markers (IL-6, TNF, TGF-β1, and SNAIL1) in KO male mice that presumably contributed to renal fibrosis and renal damage (glomerular and tubular). In fact, in KO mice, there was an age-dependent increase in renal damage (assessed by NGAL and KIM1) that was accompanied by increased fibrosis (assessed by CTGF). This effect was more pronounced in male KO mice than in the female KO mice. In contrast to the KO animals, no significant increase in damage markers was detectable in wild-type animals at the age examined (>70 weeks old). Moreover, there is an age-based increase in AGEs and scavenger receptor MSR-A2 in the kidneys.Discussion: Our data suggest that the loss of the clearance receptor RAGE in male animals further accelerates age-dependent renal damage; this could be in part due to an increase in AGEs load during aging and the absence of protective female hormones. By contrast, in females, RAGE expression seems to play only a minor role when compared to tissue pathology.
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Affiliation(s)
- Seerat Bajwa
- Department of Internal Medicine III, Jena University Hospital, Jena, Germany
| | - Alexander Luebbe
- Department of Internal Medicine III, Jena University Hospital, Jena, Germany
| | - Ngoc Dong Nhi Vo
- Department of Internal Medicine III, Jena University Hospital, Jena, Germany
| | - Eva-Maria Piskor
- Institute of Biochemistry and Biophysics, Center for Molecular Biomedicine (CMB), Friedrich Schiller University, Jena, Germany
| | - Christian Kosan
- Institute of Biochemistry and Biophysics, Center for Molecular Biomedicine (CMB), Friedrich Schiller University, Jena, Germany
| | - Gunter Wolf
- Department of Internal Medicine III, Jena University Hospital, Jena, Germany
| | - Ivonne Loeffler
- Department of Internal Medicine III, Jena University Hospital, Jena, Germany
- *Correspondence: Ivonne Loeffler,
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9
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Oh W, Cho M, Jung SW, Moon JY, Lee SH, Hwang YC, Kim YG. High physical activity alleviates the adverse effect of higher sedentary time on the incidence of chronic kidney disease. J Cachexia Sarcopenia Muscle 2023; 14:622-631. [PMID: 36567072 PMCID: PMC9891972 DOI: 10.1002/jcsm.13167] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/26/2022] [Revised: 10/14/2022] [Accepted: 11/25/2022] [Indexed: 12/27/2022] Open
Abstract
BACKGROUND Low physical activity (PA) increases the prevalence of chronic kidney disease (CKD). This study aimed to investigate the effects of PA and sedentary time (ST) on the changes in renal function and the development of CKD in the middle-aged Korean population. METHODS From the Korean Genome and Epidemiology Study Database, 7988 participants in their 40s and 60s were identified and stratified by (1) PA: high-PA (>24 MET-h/day), moderate-PA (9-24 MET-h/day) and low-PA (<9 MET-h/day); and (2) ST: high-ST (>6 h/day), moderate-ST (3-6 h/day) and low-ST (<3 h/day). Incident CKD was defined as estimated glomerular filtration rate (eGFR) < 60 mL/min/1.73 m2 following the Chronic Kidney Disease Epidemiology Collaboration equation. RESULTS The mean age of the participants was 52.0 years. The overall incidence of CKD was 16.8 per 1000 person-years over a median of 12 years. The lower the PA and the higher the ST, the lower the baseline eGFR. Relative to the high-PA, the coefficients of the annual eGFR decline were -0.12 (95% confidence interval [CI]: -0.26 to 0.001, P = 0.081) and -0.13 (95% CI: -0.27 to 0.01, P = 0.078) in the moderate- and low-PA groups, respectively. Similarly, relative to the low-ST, the coefficients of annual eGFR decline were -0.07 (59% CI: -0.19 to 0.05, P = 0.236) and -0.14 (95% CI: -0.28 to -0.01, P = 0.039) in the moderate- and high-ST groups, respectively. Incident CKD was higher with lower PA (hazard ratio: high-PA 1.00, moderate-PA 1.13 [1.00, 1.28, P = 0.056] and low-PA 1.25 [1.11, 1.24, P < 0.001]) and higher ST (hazard ratio: low-ST 1.00, moderate-ST 1.04 [0.94, 1.16, P = 0.440] and high-ST 1.19 [1.05, 1.34, P = 0.007]). The high-PA reduced the risk for the CKD development irrespective of the amount of ST. CONCLUSIONS Low-PA and high-ST are risk factors for the development of CKD in the middle-aged Korean population. High-PA recovers high-ST, inducing a harmful effect on the occurrence of CKD.
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Affiliation(s)
- Wonsuk Oh
- Department of Genetics and Genomic Sciences, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Minhae Cho
- School of Social Work, University of Memphis, Memphis, TN, USA
| | - Su Woong Jung
- Division of Nephrology, Department of Internal Medicine, Kyung Hee University School of Medicine, Seoul, Republic of Korea
| | - Ju-Young Moon
- Division of Nephrology, Department of Internal Medicine, Kyung Hee University School of Medicine, Seoul, Republic of Korea
| | - Sang-Ho Lee
- Division of Nephrology, Department of Internal Medicine, Kyung Hee University School of Medicine, Seoul, Republic of Korea
| | - You-Cheol Hwang
- Division of Endocrinology and Metabolism, Kyung Hee University School of Medicine, Seoul, Republic of Korea
| | - Yang Gyun Kim
- Division of Nephrology, Department of Internal Medicine, Kyung Hee University School of Medicine, Seoul, Republic of Korea
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10
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Selle J, Bohl K, Höpker K, Wilke R, Dinger K, Kasper P, Abend B, Schermer B, Müller RU, Kurschat C, Nüsken KD, Nüsken E, Meyer D, Savai Pullamsetti S, Schumacher B, Dötsch J, Alcazar MAA. Perinatal Obesity Sensitizes for Premature Kidney Aging Signaling. Int J Mol Sci 2023; 24:ijms24032508. [PMID: 36768831 PMCID: PMC9916864 DOI: 10.3390/ijms24032508] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2022] [Revised: 12/08/2022] [Accepted: 12/18/2022] [Indexed: 01/31/2023] Open
Abstract
Chronic Kidney Disease (CKD), a global health burden, is strongly associated with age-related renal function decline, hypertension, and diabetes, which are all frequent consequences of obesity. Despite extensive studies, the mechanisms determining susceptibility to CKD remain insufficiently understood. Clinical evidence together with prior studies from our group showed that perinatal metabolic disorders after intrauterine growth restriction or maternal obesity adversely affect kidney structure and function throughout life. Since obesity and aging processes converge in similar pathways we tested if perinatal obesity caused by high-fat diet (HFD)-fed dams sensitizes aging-associated mechanisms in kidneys of newborn mice. The results showed a marked increase of γH2AX-positive cells with elevated 8-Oxo-dG (RNA/DNA damage), both indicative of DNA damage response and oxidative stress. Using unbiased comprehensive transcriptomics we identified compartment-specific differentially-regulated signaling pathways in kidneys after perinatal obesity. Comparison of these data to transcriptomic data of naturally aged kidneys and prematurely aged kidneys of genetic modified mice with a hypomorphic allele of Ercc1, revealed similar signatures, e.g., inflammatory signaling. In a biochemical approach we validated pathways of inflammaging in the kidneys after perinatal obesity. Collectively, our initial findings demonstrate premature aging-associated processes as a consequence of perinatal obesity that could determine the susceptibility for CKD early in life.
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Affiliation(s)
- Jaco Selle
- Translational Experimental Pediatrics—Experimental Pulmonology, Department of Pediatric and Adolescent Medicine, University Hospital Cologne, 50931 Cologne, Germany
| | - Katrin Bohl
- Department of Medicine II, Nephrology Research Laboratory, University Hospital of Cologne, Faculty of Medicine, University of Cologne, 50931 Cologne, Germany
- Cologne Excellence Cluster on Cellular Stress Responses in Aging-Associated Diseases (CECAD), Faculty of Medicine, University of Cologne, 50931 Cologne, Germany
| | - Katja Höpker
- Department of Medicine II, Nephrology Research Laboratory, University Hospital of Cologne, Faculty of Medicine, University of Cologne, 50931 Cologne, Germany
- Department of Pediatric and Adolescent Medicine, University Hospital Cologne, 50931 Cologne, Germany
| | - Rebecca Wilke
- Translational Experimental Pediatrics—Experimental Pulmonology, Department of Pediatric and Adolescent Medicine, University Hospital Cologne, 50931 Cologne, Germany
| | - Katharina Dinger
- Translational Experimental Pediatrics—Experimental Pulmonology, Department of Pediatric and Adolescent Medicine, University Hospital Cologne, 50931 Cologne, Germany
| | - Philipp Kasper
- Department of Gastroenterology and Hepatology, University Hospital Cologne, Faculty of Medicine, University of Cologne, 50931 Cologne, Germany
| | - Bastian Abend
- Translational Experimental Pediatrics—Experimental Pulmonology, Department of Pediatric and Adolescent Medicine, University Hospital Cologne, 50931 Cologne, Germany
| | - Bernhard Schermer
- Department of Medicine II, Nephrology Research Laboratory, University Hospital of Cologne, Faculty of Medicine, University of Cologne, 50931 Cologne, Germany
- Cologne Excellence Cluster on Cellular Stress Responses in Aging-Associated Diseases (CECAD), Faculty of Medicine, University of Cologne, 50931 Cologne, Germany
- Center for Molecular Medicine Cologne (CMMC), University Hospital Cologne, Faculty of Medicine, University of Cologne, 50931 Cologne, Germany
| | - Roman-Ulrich Müller
- Department of Medicine II, Nephrology Research Laboratory, University Hospital of Cologne, Faculty of Medicine, University of Cologne, 50931 Cologne, Germany
- Cologne Excellence Cluster on Cellular Stress Responses in Aging-Associated Diseases (CECAD), Faculty of Medicine, University of Cologne, 50931 Cologne, Germany
- Center for Molecular Medicine Cologne (CMMC), University Hospital Cologne, Faculty of Medicine, University of Cologne, 50931 Cologne, Germany
| | - Christine Kurschat
- Department of Medicine II, Nephrology Research Laboratory, University Hospital of Cologne, Faculty of Medicine, University of Cologne, 50931 Cologne, Germany
- Cologne Excellence Cluster on Cellular Stress Responses in Aging-Associated Diseases (CECAD), Faculty of Medicine, University of Cologne, 50931 Cologne, Germany
- Center for Molecular Medicine Cologne (CMMC), University Hospital Cologne, Faculty of Medicine, University of Cologne, 50931 Cologne, Germany
| | - Kai-Dietrich Nüsken
- Department of Pediatric and Adolescent Medicine, University Hospital Cologne, 50931 Cologne, Germany
| | - Eva Nüsken
- Department of Pediatric and Adolescent Medicine, University Hospital Cologne, 50931 Cologne, Germany
| | - David Meyer
- Cologne Excellence Cluster on Cellular Stress Responses in Aging-Associated Diseases (CECAD), Faculty of Medicine, University of Cologne, 50931 Cologne, Germany
- Institute for Genome Stability in Aging and Disease, Medical Faculty, University Hospital Cologne, Faculty of Medicine, University of Cologne, 50931 Cologne, Germany
| | - Soni Savai Pullamsetti
- Department of Lung Development and Remodeling, Max-Planck-Institute for Heart and Lung Research, Member of the German Center for Lung Research (DZL), 61231 Bad Nauheim, Germany
- Institute for Lung Health (ILH), Universities of Gießen and Marburg Lung Centre (UGMLC), Cardiopulmonary Institute (CPI), Member of the German Center of Lung Research (DZL), 35392 Gießen, Germany
| | - Björn Schumacher
- Cologne Excellence Cluster on Cellular Stress Responses in Aging-Associated Diseases (CECAD), Faculty of Medicine, University of Cologne, 50931 Cologne, Germany
- Institute for Genome Stability in Aging and Disease, Medical Faculty, University Hospital Cologne, Faculty of Medicine, University of Cologne, 50931 Cologne, Germany
| | - Jörg Dötsch
- Department of Pediatric and Adolescent Medicine, University Hospital Cologne, 50931 Cologne, Germany
| | - Miguel A. Alejandre Alcazar
- Translational Experimental Pediatrics—Experimental Pulmonology, Department of Pediatric and Adolescent Medicine, University Hospital Cologne, 50931 Cologne, Germany
- Cologne Excellence Cluster on Cellular Stress Responses in Aging-Associated Diseases (CECAD), Faculty of Medicine, University of Cologne, 50931 Cologne, Germany
- Center for Molecular Medicine Cologne (CMMC), University Hospital Cologne, Faculty of Medicine, University of Cologne, 50931 Cologne, Germany
- Institute for Lung Health (ILH), Universities of Gießen and Marburg Lung Centre (UGMLC), Cardiopulmonary Institute (CPI), Member of the German Center of Lung Research (DZL), 35392 Gießen, Germany
- Correspondence: ; Tel.: +49-221-478-96876; Fax: +49-221-478-46868
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11
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Noh SG, Jung HJ, Kim S, Arulkumar R, Chung KW, Park D, Choi YJ, Chung HY. Sex-Mediated Differences in TNF Signaling- and ECM-Related Gene Expression in Aged Rat Kidney. Biol Pharm Bull 2023; 46:552-562. [PMID: 37005299 DOI: 10.1248/bpb.b22-00601] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/03/2023]
Abstract
Aging leads to the functional decline of an organism, which is associated with age and sex. To understand the functional change of kidneys depending on age and sex, we carried out a transcriptome analysis using RNA sequencing (RNA-Seq) data from rat kidneys. Four differentially expressed gene (DEG) sets were generated according to age and sex, and Gene Ontology analysis and overlapping analysis of Kyoto Encyclopedia of Genes and Genomes pathways were performed for the DEG sets. Through the analysis, we revealed that inflammation- and extracellular matrix (ECM)-related genes and pathways were upregulated in both males and females during aging, which was more prominent in old males than in old females. Furthermore, quantitative real-time PCR analysis confirmed that the expression of tumor necrosis factor (TNF) signaling-related genes, Birc3, Socs3, and Tnfrsf1b, and ECM-related genes, Cd44, Col3a1, and Col5a2, which showed that the genes were markedly upregulated in males and not females during aging. Also, hematoxylin-eosin (H&E) staining for histological analysis showed that renal damage was highly shown in old males rather than old females. In conclusion, in the rat kidney, the genes involved in TNF signaling and ECM accumulation are upregulated in males more than in females during aging. These results suggest that the upregulation of the genes may have a higher contribution to age-related kidney inflammation and fibrosis in males than in females.
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Affiliation(s)
- Sang Gyun Noh
- Interdisciplinary Research Program of Bioinformatics and Longevity Science, Pusan National University
- Department of Pharmacy, College of Pharmacy, Pusan National University
| | - Hee Jin Jung
- Department of Pharmacy, College of Pharmacy, Pusan National University
| | - Seungwoo Kim
- Interdisciplinary Research Program of Bioinformatics and Longevity Science, Pusan National University
- Department of Pharmacy, College of Pharmacy, Pusan National University
| | - Radha Arulkumar
- Interdisciplinary Research Program of Bioinformatics and Longevity Science, Pusan National University
- Department of Pharmacy, College of Pharmacy, Pusan National University
| | - Ki Wung Chung
- Department of Pharmacy, College of Pharmacy, Pusan National University
| | - Daeui Park
- Department of Predictive Toxicology, Korea Institute of Toxicology
| | - Yeon Ja Choi
- Department of Biopharmaceutical Engineering, College of Science and Technology, Dongguk University
| | - Hae Young Chung
- Interdisciplinary Research Program of Bioinformatics and Longevity Science, Pusan National University
- Department of Pharmacy, College of Pharmacy, Pusan National University
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12
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Preuss HG, Kaats GR, Mrvichin N, Bagchi D, Aruoma OI, Preuss JM. Probing the Relationship Between Declining Renal Glomerular Filtration Over the Life Span and General Biological Aging: Does the Former Provide Means to Estimate the Latter? JOURNAL OF THE AMERICAN NUTRITION ASSOCIATION 2023; 42:3-14. [PMID: 34651567 DOI: 10.1080/07315724.2021.1977734] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
While a consistent, gradual decline in the renal glomerular filtration rate (GFR) is a characteristic occurrence over the human life span, the exact pathophysiology behind this event remains unresolved. Evidence to date suggests that the endogenous glucose-insulin system could be involved at some level. Diabetic-induced nephropathy, one of the most prevalent chronic renal diseases, is closely linked to a severe form of insulin resistance (IR). Nevertheless, it is less certain that the ubiquitous milder forms of IR in nondiabetics ascribed customarily to routine, poor choices in diet and exercise management can over time diminish GFR and adversely influence other renal functions to any perceptible extent. Baseline data for cross-sectional analyses were obtained from a cohort of healthy, nondiabetic volunteers (fasting blood glucose [FBG] ≤ 125 mg/dL) involved in prior clinical studies. Slope-based rather than threshold analyses were mainly employed. These measurements were applied for the most part to correlate age, FBG levels used as an estimate of IR activity, and systolic blood pressure (SBP) to a variety of metabolic parameters during aging with a primary focus on GFR. Considering cause and effect, FBG and SBP correlate positively with the diminishing GFR over a major part of the life span. The decline in GFR begins somewhere around the mid-20s and coincides with key temporal increases in FBG and SBP levels. A close time-based setting suggests that IR plays a prominent role in the declining GFR that occurs over the life span. This is perhaps due in part through deleterious effects of rising levels of insulin, glucose, and SBP individually or combined that are also popular proposed causative factors for human aging in general. On the philosophical side, the latter fact suggests that the declining GFR might provide a practical way to estimate the rate of overall human biological aging.
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Affiliation(s)
- Harry G Preuss
- Department of Biochemistry, Georgetown University Medical Center, Washington, DC, USA
| | | | - Nate Mrvichin
- Integrative Health Technologies, San Antonio, Texas, USA
| | - Debasis Bagchi
- Department of Pharmaceutical Sciences, College of Pharmacy and Health Sciences, Texas Southern University, Houston, Texas, USA
| | - Okezie I Aruoma
- Department of Chemistry and Biochemistry, California State University, Los Angeles, California, USA
| | - Jeffrey M Preuss
- Emergency Department, Veterans Administration Medical Center, Salem, Virginia, USA
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13
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Zhao L, Ren G, Fan R, Feng X, Liu Z, Cheng Z, Zhang T. Spectrum and prognosis of renal histopathological lesions in patients with inflammatory bowel disease: a cross-sectional study from a single center in China. Clin Exp Med 2022; 22:629-635. [PMID: 34698949 DOI: 10.1007/s10238-021-00766-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2021] [Accepted: 10/12/2021] [Indexed: 01/17/2023]
Abstract
To explore the spectrum, clinicopathological features and prognosis of patients with inflammatory bowel disease (IBD) including Crohn's disease (CD) and ulcerative colitis (UC) with renal involvement. Included in this cross-sectional study were 36 IBD patients, in whom renal biopsy was performed to analyze the histological pattern and prognosis. Renal histopathology was examined by light microscopy and immunofluorescence using the standard procedures. Renal function decline was defined as a twofold increase in serum creatinine (SCr) after biopsy, initiation of dialysis and transplantation. Of the 36 IBD patients (22 UC and 14 CD), renal biopsy was performed in 33 cases. Compared with UC patients, CD patients were significantly younger at presentation and had a higher proportion of chronic renal insufficiency (CRI). The most common renal histological pattern in the 33 biopsy cases was IgA nephropathy (66.6%), followed by membrane nephropathy (9.1%), amyloidosis (9.1%), tubulointerstitial nephritis (9.1%), and membranoproliferative glomerulonephritis (6.1%). Renal function decline occurred in 4 patients (1 with amyloidosis, 1 with TIN and 2 with CRI). Factors associated with renal function decline included CD and a higher SCr level at presentation. Urinalysis and renal function test should be routinely examined in IBD patients. Renal biopsy can provide useful information about the histological patterns and therefore should be considered in IBD patients with renal lesions.
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Affiliation(s)
- Liang Zhao
- National Clinical Research Center of Kidney Diseases, Jinling Hospital, Nanjing University School of Medicine, Nanjing, China
| | - Guisheng Ren
- National Clinical Research Center of Kidney Diseases, Jinling Hospital, Nanjing University School of Medicine, Nanjing, China
| | - Rui Fan
- National Clinical Research Center of Kidney Diseases, Jinling Hospital, Nanjing University School of Medicine, Nanjing, China
| | - Xiaopian Feng
- National Clinical Research Center of Kidney Diseases, Jinling Hospital, Nanjing University School of Medicine, Nanjing, China
| | - Zhengzhao Liu
- National Clinical Research Center of Kidney Diseases, Jinling Hospital, Nanjing University School of Medicine, Nanjing, China
| | - Zhen Cheng
- National Clinical Research Center of Kidney Diseases, Jinling Hospital, Nanjing University School of Medicine, Nanjing, China
| | - Ti Zhang
- National Clinical Research Center of Kidney Diseases, Jinling Hospital, Nanjing University School of Medicine, Nanjing, China.
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14
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Chen J, Lu H, Wang X, Yang J, Luo J, Wang L, Yi X, He Y, Chen K. VNN1 contributes to the acute kidney injury-chronic kidney disease transition by promoting cellular senescence via affecting RB1 expression. FASEB J 2022; 36:e22472. [PMID: 35959877 DOI: 10.1096/fj.202200496rr] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2022] [Revised: 07/10/2022] [Accepted: 07/18/2022] [Indexed: 11/11/2022]
Abstract
The mechanisms underlying acute kidney injury (AKI) and chronic kidney disease (CKD) progression include interstitial inflammation, cellular senescence, and oxidative stress (OS). Although vanin-1 (VNN1) plays an important role in OS, its contribution to the AKI-CKD transition remains unknown. Here, we explored the roles and mechanisms of VNN1 in the progression of the AKI-CKD transition. We observed that VNN1 expression was upregulated after ischemia/reperfusion (I/R) injury and high VNN1 expression levels were associated with poor renal repair after I/R injury. In VNN1 knockout (KO) mice, recovery of serum creatinine and blood urea nitrogen levels after I/R injury was accelerated and renal fibrosis was inhibited after severe I/R injury. Furthermore, in VNN1 KO mice, senescence of renal tubular cells was inhibited after severe I/R injury, as assessed by P16 expression and SA-β-Gal assays. However, our results also revealed that VNN1 KO renal tubular cells did not resist senescence when OS was blocked. To elucidate the mechanism underlying VNN1-mediated regulation of senescence during the AKI-CKD transition, retinoblastoma 1 (RB1) was identified as a potential target. Our results suggest that the reduced senescence in VNN1 KO renal tubular cells was caused by suppressed RB1 expression and phosphorylation. Collectively, our results unveil a novel molecular mechanism by which VNN1 promotes AKI-CKD transition via inducing senescence of renal tubular cells by activating RB1 expression and phosphorylation after severe renal injury. The present study proposes a new strategy for designing therapies wherein VNN1 can be targeted to obstruct the AKI-CKD transition.
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Affiliation(s)
- Jia Chen
- Department of Nephrology, Daping Hospital, Army Medical University, Chongqing, China
| | - Hongxiang Lu
- Department of Traumatic Orthopaedics, General Hospital of Xinjiang Military Region, China.,State Key Laboratory of Trauma, Burns and Combined Injury, Wound Trauma Medical Centre, Institute of Surgery Research, Daping Hospital, Army Medical University, Chongqing, China
| | - Xiaoyue Wang
- Department of Nephrology, Daping Hospital, Army Medical University, Chongqing, China
| | - Jie Yang
- Department of Nephrology, Daping Hospital, Army Medical University, Chongqing, China
| | - Jia Luo
- Department of Nephrology, Daping Hospital, Army Medical University, Chongqing, China
| | - Limin Wang
- Department of Nephrology, Daping Hospital, Army Medical University, Chongqing, China
| | - Xiangling Yi
- Department of Nephrology, Daping Hospital, Army Medical University, Chongqing, China
| | - Yani He
- Department of Nephrology, Daping Hospital, Army Medical University, Chongqing, China.,State Key Laboratory of Trauma, Burns and Combined Injury, Wound Trauma Medical Centre, Institute of Surgery Research, Daping Hospital, Army Medical University, Chongqing, China
| | - Kehong Chen
- Department of Nephrology, Daping Hospital, Army Medical University, Chongqing, China.,State Key Laboratory of Trauma, Burns and Combined Injury, Wound Trauma Medical Centre, Institute of Surgery Research, Daping Hospital, Army Medical University, Chongqing, China
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15
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Skin accumulation of advanced glycation end products and cardiovascular risk in Korean patients with type 2 diabetes mellitus. Heliyon 2022; 8:e09571. [PMID: 35711980 PMCID: PMC9192809 DOI: 10.1016/j.heliyon.2022.e09571] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2022] [Revised: 03/01/2022] [Accepted: 05/25/2022] [Indexed: 12/02/2022] Open
Abstract
Background The formation of advanced glycation end products (AGEs) takes place during normal aging; however, their production is faster in people having diabetes. The accumulated AGEs reportedly play a role in the occurrence of various age-related disorders. Furthermore, the skin autofluorescence (SAF) technique can be used to detect accumulated AGEs levels. There are few reports on the association between skin accumulation of AGEs and risk of complications in type 2 diabetes mellitus. Methods In this study, we aimed to describe the association between the skin accumulation of AGEs and cardiovascular risk factors in Korean patients with type 2 diabetes. A total of 310 Korean patients with diabetes were enrolled, and the levels of AGEs were measured using SAP. Levels of fasting blood glucose (FBS), triglycerides, total cholesterol, low- and high-density lipoprotein cholesterol, proteinuria, arterial pulse wave velocity (PWV), and blood vessel age were measured using an automatic waveform analyzer. General linear models were used to identify the independent effect of AGEs after adjusting for covariates (age, weight, and duration of diabetes). Results The skin levels of AGEs were strongly correlated with the diabetes duration. Significant independent associations were observed for AGEs with FBS (P < 0.01), proteinuria (P < 0.001), and PWV (P < 0.001). The advanced glycated product was independently associated to the arterial pulse wave conduction velocity that is used as a representative method for measuring arteriosclerosis by analysis early cardiovascular risk factors. Conclusion Our results show that an increase in SAF levels in Korean patients with type 2 diabetes is associated with PWV and vein age, and thereby with arterial stiffness. Therefore, our results suggest that AGEs are associated with cardiovascular risk factors. The level of AGEs can thus be used as an indicator of cardiovascular diseases in the clinical diagnosis of patients with type 2 diabetes. Unclear association between skin accumulation of AGEs and T2DM complication risk. Study Population: Korean patients with T2DM. Strong correlation between skin levels of AGEs and diabetes duration. Independent association between AGEs and arterial pulse wave conduction velocity. Association between increased SAF levels in with PWV, vein age, arterial stiffness.
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16
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Feeding cats with chronic kidney disease food supplemented with betaine and prebiotics increases total body mass and reduces uremic toxins. PLoS One 2022; 17:e0268624. [PMID: 35609046 PMCID: PMC9129019 DOI: 10.1371/journal.pone.0268624] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2021] [Accepted: 05/04/2022] [Indexed: 11/19/2022] Open
Abstract
Cats with chronic kidney disease (CKD) have a decreased ability to maintain body weight. As CKD advances, loss of body weight contributes to morbidity and mortality. The goal of this study was to evaluate the combined effects of feeding betaine and prebiotics on body weight of both CKD and healthy cats. The pre-trial food (control food) was a complete and balanced dry food designed to aid in the management of CKD. Test food was the control food supplemented with betaine (0.500%) and prebiotics: long-chain oat beta-glucan (0.586%) and 0.407% short chain fructooligosaccharides (scFOS). The CKD cats (n = 7) were fed pre-trial food for 28 days and then randomly assigned to control food or test food. Each food was fed for 8 weeks in a cross-over study design. In a second study, healthy cats received control food or test food for 8 weeks (n = 8 each group). Blood, urine, and fecal samples were collected to evaluate concentrations of relevant kidney function biomarkers and metabolites at the end of each feeding period for CKD cats, and blood samples were collected monthly to evaluate concentrations of plasma metabolites for healthy cats. Body weight and composition were measured using dual-energy X-ray absorptiometry (DEXA) scan at baseline and after each feeding period. Total body mass was significantly higher in CKD cats after consuming test food compared with control food (P = 0.004), with no significant difference in food intake while consuming test or control food (P = 0.34). Test food did not affect total body mass or composition of healthy cats. Indole compounds produced by bacterial metabolism were decreased in urine and increased in feces of CKD cats fed test food, and plasma concentrations were negatively correlated with the level of kidney function, indicating a potential benefit of consuming test food. In healthy cats, consuming test food resulted in significantly decreased concentrations of plasma P-cresol sulfate (P = 0.004) and increased concentrations of docosahexaenoic acid (DHA) and eicosapentaenoic acid (EPA; both P < 0.05), despite the fact that both control and test foods had similar concentrations of these long-chain fatty acids, 0.03% and 0.02%, respectively. These results suggest that the addition of betaine and prebiotics to the control food formula may have increased total body mass in CKD cats by enhancing one-carbon metabolism and by modulating the gut microbiome.
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17
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Martinez L, Perla M, Tabbara M, Duque JC, Rojas MG, Falcon NS, Pereira-Simon S, Salman LH, Vazquez-Padron RI. Systemic Profile of Cytokines in Arteriovenous Fistula Patients and Their Associations with Maturation Failure. KIDNEY360 2022; 3:677-686. [PMID: 35721613 PMCID: PMC9136910 DOI: 10.34067/kid.0006022021] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/14/2021] [Accepted: 01/13/2022] [Indexed: 11/27/2022]
Abstract
Background Systemic cytokines are elevated in patients with chronic kidney disease (CKD) and on hemodialysis compared with the general population. However, whether cytokine levels interfere with vascular remodeling, increasing the risk of arteriovenous fistula (AVF) failure, remains unknown. Methods This is a case-control study of 64 patients who underwent surgery for AVF creation (32 with AVF maturation failure and 32 matching controls with successful maturation). A total of 74 cytokines, including chemokines, interferons, interleukins, and growth factors, were measured in preoperative plasma samples using multiplex assays. Sixty-two patients were included in the statistical analyses. Associations with AVF failure were assessed using paired comparisons and conditional logistic regressions accounting for paired strata. Results Seven cytokines were significantly higher in patients with AVF maturation failure than in matching controls (G-CSF, IL-6, MDC, RANTES, SDF-1α/β, TGFα, and TPO). Of these, G-CSF (odds ratio [OR]=1.71; 95% confidence interval [95% CI], 1.05 to 2.79 per 10 pg/ml), MDC (OR=1.60, 95% CI, 1.08 to 2.38 per 100 pg/ml), RANTES (OR=1.55, 95% CI, 1.10 to 2.17 per 100 pg/ml), SDF-1α/β (OR=1.18, 95% CI, 1.04 to 1.33 per 1000 pg/ml), and TGFα (OR=1.39, 95% CI 1.003, 1.92 per 1 pg/ml) showed an incremental association by logistic regression. Conclusions This study identified a profile of plasma cytokines associated with adverse maturation outcomes in AVFs. These findings may open the doors for future therapeutics and markers for risk stratification.
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Affiliation(s)
- Laisel Martinez
- DeWitt Daughtry Family Department of Surgery, Leonard M. Miller School of Medicine, University of Miami, Miami, Florida
| | - Mikael Perla
- DeWitt Daughtry Family Department of Surgery, Leonard M. Miller School of Medicine, University of Miami, Miami, Florida
| | - Marwan Tabbara
- DeWitt Daughtry Family Department of Surgery, Leonard M. Miller School of Medicine, University of Miami, Miami, Florida
| | - Juan C Duque
- Katz Family Division of Nephrology, Department of Medicine, University of Miami, Miami, Florida
| | - Miguel G Rojas
- DeWitt Daughtry Family Department of Surgery, Leonard M. Miller School of Medicine, University of Miami, Miami, Florida
| | - Nieves Santos Falcon
- DeWitt Daughtry Family Department of Surgery, Leonard M. Miller School of Medicine, University of Miami, Miami, Florida
| | - Simone Pereira-Simon
- DeWitt Daughtry Family Department of Surgery, Leonard M. Miller School of Medicine, University of Miami, Miami, Florida
| | - Loay H Salman
- Division of Nephrology, Albany Medical College, Albany, New York
| | - Roberto I Vazquez-Padron
- DeWitt Daughtry Family Department of Surgery, Leonard M. Miller School of Medicine, University of Miami, Miami, Florida.,Bruce W. Carter VA Medical Center, Department of Veterans Affairs, Miami, Florida
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18
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Franco ML, Beyerstedt S, Rangel ÉB. Klotho and Mesenchymal Stem Cells: A Review on Cell and Gene Therapy for Chronic Kidney Disease and Acute Kidney Disease. Pharmaceutics 2021; 14:pharmaceutics14010011. [PMID: 35056905 PMCID: PMC8778857 DOI: 10.3390/pharmaceutics14010011] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2021] [Revised: 12/16/2021] [Accepted: 12/17/2021] [Indexed: 02/07/2023] Open
Abstract
Chronic kidney disease (CKD) and acute kidney injury (AKI) are public health problems, and their prevalence rates have increased with the aging of the population. They are associated with the presence of comorbidities, in particular diabetes mellitus and hypertension, resulting in a high financial burden for the health system. Studies have indicated Klotho as a promising therapeutic approach for these conditions. Klotho reduces inflammation, oxidative stress and fibrosis and counter-regulates the renin-angiotensin-aldosterone system. In CKD and AKI, Klotho expression is downregulated from early stages and correlates with disease progression. Therefore, the restoration of its levels, through exogenous or endogenous pathways, has renoprotective effects. An important strategy for administering Klotho is through mesenchymal stem cells (MSCs). In summary, this review comprises in vitro and in vivo studies on the therapeutic potential of Klotho for the treatment of CKD and AKI through the administration of MSCs.
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Affiliation(s)
- Marcella Liciani Franco
- Albert Einstein Research and Education Institute, Hospital Israelita Albert Einstein, Sao Paulo 05652-900, Brazil; (M.L.F.); (S.B.)
| | - Stephany Beyerstedt
- Albert Einstein Research and Education Institute, Hospital Israelita Albert Einstein, Sao Paulo 05652-900, Brazil; (M.L.F.); (S.B.)
| | - Érika Bevilaqua Rangel
- Albert Einstein Research and Education Institute, Hospital Israelita Albert Einstein, Sao Paulo 05652-900, Brazil; (M.L.F.); (S.B.)
- Nephrology Division, Federal University of São Paulo, Sao Paulo 04038-901, Brazil
- Correspondence: ; Tel.: +55-11-2151-2148
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19
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Treadmill Exercise Training Ameliorates Functional and Structural Age-Associated Kidney Changes in Male Albino Rats. ScientificWorldJournal 2021; 2021:1393372. [PMID: 34887703 PMCID: PMC8651424 DOI: 10.1155/2021/1393372] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2021] [Accepted: 11/10/2021] [Indexed: 12/28/2022] Open
Abstract
Aging is a biological process that impacts multiple organs. Unfortunately, kidney aging affects the quality of life with high mortality rate. So, searching for innovative nonpharmacological modality improving age-associated kidney deterioration is important. This study aimed to throw more light on the beneficial effect of treadmill exercise on the aged kidney. Thirty male albino rats were divided into three groups: young (3-4 months old), sedentary aged (23-24 months old), and exercised aged (23-24 months old, practiced moderate-intensity treadmill exercise 5 days/week for 8 weeks). The results showed marked structural alterations in the aged kidney with concomitant impairment of kidney functions and increase in arterial blood pressure with no significant difference in kidney weight. Also, it revealed that treadmill exercise alleviated theses effects in exercised aged group with reduction of urea and cystatin C. Exercise training significantly decreased glomerulosclerosis index, tubular injury score, and % area of collagen deposition. Treadmill exercise exerted its beneficial role via a significant reduction of C-reactive protein and malondialdehyde and increase in total antioxidant capacity. In addition, exercise training significantly decreased desmin immunoreaction and increased aquaporin-3, vascular endothelial growth factor, and beclin-1 in the aged kidney. This study clarified that treadmill exercise exerted its effects via antioxidant and anti-inflammatory mechanisms, podocyte protection, improving aquaporin-3 and vascular endothelial growth factor expression, and inducing autophagy in the aged kidney. This work provided a new insight into the promising role of aerobic exercise to ameliorate age-associated kidney damage.
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20
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Oishi H, Doi S, Nakashima A, Ike T, Maeoka Y, Sasaki K, Doi T, Masaki T. Klotho overexpression protects against renal aging along with suppression of transforming growth factor-β1 signaling pathways. Am J Physiol Renal Physiol 2021; 321:F799-F811. [PMID: 34779262 DOI: 10.1152/ajprenal.00609.2020] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
Abstract
Klotho is an antiaging protein reported to suppress transforming growth factor-β1 (TGF-β1) signaling. Aging kidneys are characterized by interstitial fibrosis, accumulation of cell cycle-arrested cells, and increased levels of oxidative stress. TGF-β1 signaling is involved in these processes. In this study, we investigated whether klotho overexpression improves these features in the kidneys of aging mice and examined the inhibitory effect of klotho on signaling molecules related to transforming growth of TGF-β1. Klotho transgenic (KLTG) and wild-type (WT) mice were used, and 8-wk-old and 24-mo-old mice were defined as young and aging, respectively. We found that klotho expression was decreased in aging WT mice, but it was maintained in aging KLTG mice. Klotho overexpression improved the survival of 24-mo-old mice. Although the serum Ca2+ level was significantly lower in aging KLTG mice than in aging WT mice, the serum phosphate level did not differ between these mice. Klotho overexpression attenuated the increases in blood pressure, serum blood urea nitrogen level, and serum creatinine level in aging mice. Interstitial fibrosis, accumulation of cell cycle-arrested cells, and oxidative stress did not differ between young KLTG and WT mice, but they were significantly suppressed in aging KLTG mice compared with aging WT mice. Furthermore, the expression of TGF-β1-related signaling molecules was increased in aging WT mice, whereas it was inhibited in aging KLTG mice. These data suggest that klotho overexpression protects against kidney aging along with suppression of TGF-β1 signaling pathways.NEW & NOTEWORTHY Klotho is considered as an antiaging protein, and its overexpression may be a candidate therapy for protection against kidney damage with advanced aging. Although multiple factors are involved in the aging process, we showed that klotho overexpression inhibited interstitial fibrosis, accumulation of cell cycle-arrested cells, and increased levels of oxidative stress in the kidneys of aging mice, suppressing transforming growth factor-β1-related signaling pathways. The present data showed that klotho overexpression protects against age-associated kidney damage.
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Affiliation(s)
- Hiroaki Oishi
- Department of Nephrology, Hiroshima University Hospital, Hiroshima, Japan
| | - Shigehiro Doi
- Department of Nephrology, Hiroshima University Hospital, Hiroshima, Japan
| | - Ayumu Nakashima
- Department of Nephrology, Hiroshima University Hospital, Hiroshima, Japan.,Department of Stem Cell Biology and Medicine, Graduate School of Biomedical and Health Sciences, Hiroshima University, Hiroshima, Japan
| | - Takeshi Ike
- Department of Nephrology, Hiroshima University Hospital, Hiroshima, Japan
| | - Yujiro Maeoka
- Department of Nephrology, Hiroshima University Hospital, Hiroshima, Japan
| | - Kensuke Sasaki
- Department of Nephrology, Hiroshima University Hospital, Hiroshima, Japan
| | - Toshiki Doi
- Department of Nephrology, Hiroshima University Hospital, Hiroshima, Japan
| | - Takao Masaki
- Department of Nephrology, Hiroshima University Hospital, Hiroshima, Japan
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21
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Effect of Nutrition on Age-Related Metabolic Markers and the Gut Microbiota in Cats. Microorganisms 2021; 9:microorganisms9122430. [PMID: 34946032 PMCID: PMC8706506 DOI: 10.3390/microorganisms9122430] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2021] [Revised: 11/08/2021] [Accepted: 11/24/2021] [Indexed: 11/17/2022] Open
Abstract
Age-related changes in the gut microbiota and metabolites are associated with the increased risk of detrimental conditions also seen with age. This study evaluated whether a test food with potential anti-aging benefits results in favorable changes in plasma and fecal metabolites and the fecal microbiota in senior cats. Forty healthy domestic cats aged 8.3–13.5 years were fed a washout food for 30 days, then control or test food for 30 days. After another 30-day washout, cats were switched to the other study food for 30 days. Assessment of plasma and fecal metabolites showed lower levels of metabolites associated with detrimental processes (e.g., uremic toxins) and higher levels of metabolites associated with beneficial processes (e.g., tocopherols) after cats consumed the test food compared with the control food. A shift toward proteolysis with the control food is supported by higher levels of amino acid metabolites and lower levels of carbohydrate metabolites. Operational taxonomic units of greater abundance with the test food positively correlated with carbohydrate and nicotinic acid metabolites, and negatively correlated with uremic toxins, amino acid metabolism, secondary bile salts, and branched-chain fatty acids. Taken together, the test food appears to result in greater levels of metabolites and microbiota associated with a healthier state.
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22
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Hara M, Nishida Y, Tanaka K, Shimanoe C, Koga K, Furukawa T, Higaki Y, Shinchi K, Ikezaki H, Murata M, Takeuchi K, Tamura T, Hishida A, Tsukamoto M, Kadomatsu Y, Matsuo K, Oze I, Haruo M, Miho K, Takezaki T, Ibusuki R, Suzuki S, Nakagawa-Senda H, Matsui D, Koyama T, Kuriki K, Takashima N, Nakamura Y, Arisawa K, Katsuura-Kamano S, Wakai K. Moderate-to-vigorous physical activity and sedentary behavior are independently associated with renal function: a cross-sectional study. J Epidemiol 2021. [PMID: 34657911 PMCID: PMC10165219 DOI: 10.2188/jea.je20210155] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
BACKGROUND Little is known about whether insufficient moderate-to-vigorous physical activity (MVPA) and longer sedentary behavior (SB) are independently associated with estimated glomerular filtration rate (eGFR) and CKD, whether they interact with known risk factors for CKD, and the effect of replacing sedentary time with an equivalent duration of physical activity on kidney function. METHODS We examined the cross-sectional association of MVPA and SB with eGFR and CKD in 66,603 Japanese cohort study in 14 areas from 2004 to 2013. MVPA and SB were estimated using a self-reported questionnaire, and CKD was defined as eGFR<60 mL/min/1.73 m2. Multiple linear regression analyses, logistic regression analyses, and an isotemporal substitution model were applied. RESULTS After adjusting for potential confounders, higher MVPA and longer SB were independently associated with higher eGFR (Pfor trend MVPA<0.0001) and lower eGFR (Pfor trend SB<0.0001), and a lower odds ratio (OR) of CKD (adjusted OR of MVPA≥20 MET·h/day: 0.76 [95%CI: 0.68-0.85] compared to MVPA<5 MET·h/day) and a higher OR of CKD (adjusted OR of SB≥16 h/day: 1.81 [95%CI: 1.52-2.15] compared to SB<7 h/day), respectively. The negative association between MVPA and CKD was stronger in men, and significant interactions between sex and MVPA were detected. Replacing 1 hour of SB with 1 hour of physical activity was associated with about 3 to 4% lower OR of CKD. CONCLUSIONS These findings indicate that replacing SB with physical activity may benefit kidney function, especially in men, adding to the possible evidence on CKD prevention.
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Affiliation(s)
- Megumi Hara
- Department of Preventive Medicine, Faculty of Medicine, Saga University
| | - Yuichiro Nishida
- Department of Preventive Medicine, Faculty of Medicine, Saga University
| | - Keitaro Tanaka
- Department of Preventive Medicine, Faculty of Medicine, Saga University
| | - Chisato Shimanoe
- Department of Preventive Medicine, Faculty of Medicine, Saga University.,Clinical Research Center, Saga University Hospital
| | - Kayoko Koga
- Department of Preventive Medicine, Faculty of Medicine, Saga University
| | - Takuma Furukawa
- Department of Preventive Medicine, Faculty of Medicine, Saga University
| | - Yasuki Higaki
- Laboratory of Exercise Physiology, Faculty of Sports and Health Science, Fukuoka University
| | - Koichi Shinchi
- Division of International Health and Nursing, Faculty of Medicine, Saga University
| | - Hiroaki Ikezaki
- Department of Comprehensive General Internal Medicine, Kyushu University Graduate School of Medical Sciences Faculty of Medical Sciences
| | - Masayuki Murata
- Department of General Internal Medicine, Kyushu University Hospital
| | - Kenji Takeuchi
- Department of Preventive Medicine, Nagoya University Graduate School of Medicine
| | - Takashi Tamura
- Department of Preventive Medicine, Nagoya University Graduate School of Medicine
| | - Asahi Hishida
- Department of Preventive Medicine, Nagoya University Graduate School of Medicine
| | - Mineko Tsukamoto
- Department of Preventive Medicine, Nagoya University Graduate School of Medicine
| | - Yuka Kadomatsu
- Department of Preventive Medicine, Nagoya University Graduate School of Medicine
| | - Keitaro Matsuo
- Division of Cancer Epidemiology and Prevention, Aichi Cancer Center Research Institute.,Division of Cancer Epidemiology, Nagoya University Graduate School of Medicine
| | - Isao Oze
- Division of Cancer Epidemiology and Prevention, Aichi Cancer Center Research Institute
| | - Mikami Haruo
- Cancer Prevention Center, Chiba Cancer Center Research Institute
| | - Kusakabe Miho
- Cancer Prevention Center, Chiba Cancer Center Research Institute
| | - Toshiro Takezaki
- Department of International Island and Community Medicine, Kagoshima University Graduate School of Medical and Dental Sciences
| | - Rie Ibusuki
- Department of International Island and Community Medicine, Kagoshima University Graduate School of Medical and Dental Sciences
| | - Sadao Suzuki
- Department of Public Health, Nagoya City University Graduate School of Medical Sciences
| | - Hiroko Nakagawa-Senda
- Department of Public Health, Nagoya City University Graduate School of Medical Sciences
| | - Daisuke Matsui
- Department of Epidemiology for Community Health and Medicine, Kyoto Prefectural University of Medicine
| | - Teruhide Koyama
- Department of Epidemiology for Community Health and Medicine, Kyoto Prefectural University of Medicine
| | - Kiyonori Kuriki
- Laboratory of Public Health, Division of Nutritional Sciences, School of Food and Nutritional Sciences, University of Shizuoka
| | - Naoyuki Takashima
- Department of Public Health, Faculty of Medicine, Kindai University.,Department of Public Health, Shiga University of Medical Science
| | - Yasuyuki Nakamura
- Department of Public Health, Shiga University of Medical Science.,Yamashina Racto Clinic and Medical Examination Center
| | - Kokichi Arisawa
- Department of Preventive Medicine, Tokushima University Graduate School of Biomedical Sciences
| | | | - Kenji Wakai
- Department of Preventive Medicine, Nagoya University Graduate School of Medicine
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23
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Francisqueti-Ferron FV, Ferron AJT, Altomare A, Garcia JL, Moreto F, Ferreira ALA, Minatel IO, Aldini G, Corrêa CR. Gamma-oryzanol reduces renal inflammation and oxidative stress by modulating AGEs/RAGE axis in animals submitted to high sugar-fat diet. ACTA ACUST UNITED AC 2021; 43:460-469. [PMID: 34174064 PMCID: PMC8940121 DOI: 10.1590/2175-8239-jbn-2021-0002] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2021] [Accepted: 04/18/2021] [Indexed: 11/28/2022]
Abstract
Introduction: The receptor for AGEs (RAGE) is a multiligand member of the immunoglobulin superfamily of cell surface receptors expressed in many organs, among them, the kidneys. When activated, RAGE leads to a sequence of signaling that results in inflammation and oxidative stress, both involved in kidney disease pathogenesis. Gamma-oryzanol (γOz) comprises a mixture of ferulic acid (FA) esters and phytosterols (sterols and triterpene alcohols) mainly found in rice, with antioxidant and anti-inflammatory activities. Aim: To evaluate the effect of γOz to reduce renal inflammation and oxidative stress by modulating AGEs/RAGE axis in animals submitted to a high sugar-fat diet. Methods: Male Wistar rats (±187g) were randomly divided into two experimental groups: control (n = 7 animals) and high sugar-fat diet (HSF, n = 14 animals) for 20 weeks. After this period, when the presence of renal disease risk factors was detected in the HSF group (insulin resistance, dyslipidemia, increased systolic blood pressure and obesity), the HSF animals were divided to begin the treatment with γOz or continue receiving only HSF for 10 more weeks. Results: No effect of γOz on obesity and metabolic parameters was observed. However, kidney inflammation and oxidative stress decreased as soon as RAGE levels were reduced in HSF + γOz. Conclusion: It is possible to conclude that the gamma- oryzanol was effective in reducing inflammation and oxidative stress in the kidney by modulating the AGEs/RAGE axis.
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Affiliation(s)
| | | | - Alessandra Altomare
- Università degli Studi di Milano, Department of Pharmaceutical Sciences (DISFARM), Milan, Italy
| | - Jéssica Leite Garcia
- Universidade Estadual Paulista (UNESP), Faculdade de Medicina, Botucatu, SP, Brasil
| | - Fernando Moreto
- Universidade Estadual Paulista (UNESP), Faculdade de Medicina, Botucatu, SP, Brasil
| | - Ana Lúcia A Ferreira
- Universidade Estadual Paulista (UNESP), Faculdade de Medicina, Botucatu, SP, Brasil
| | - Igor Otávio Minatel
- Universidade Estadual Paulista (UNESP), Instituto de Biociências, Botucatu, SP, Brasil
| | - Giancarlo Aldini
- Università degli Studi di Milano, Department of Pharmaceutical Sciences (DISFARM), Milan, Italy
| | - Camila Renata Corrêa
- Universidade Estadual Paulista (UNESP), Faculdade de Medicina, Botucatu, SP, Brasil
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24
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High FIB4 index is an independent risk factor of diabetic kidney disease in type 2 diabetes. Sci Rep 2021; 11:11753. [PMID: 34083571 PMCID: PMC8175689 DOI: 10.1038/s41598-021-88285-6] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2020] [Accepted: 07/23/2020] [Indexed: 02/06/2023] Open
Abstract
Nonalcoholic fatty liver disease (NAFLD) and nonalcoholic steatohepatitis (NASH) may be linked to development of chronic kidney diseases (CKD). The FIB4 index, a noninvasive liver fibrosis score, has been reported to predict CKD in non-diabetic patients, but there are no reports yet in diabetic cases. Therefore, we evaluated the prognostic impact of FIB4 index on the risk of developing diabetic kidney disease (DKD) in Japanese patients with type 2 diabetes in a retrospective cohort study. We assessed patients with type 2 diabetes with an eGFR ≥ 60 mL/min/1.73 m2 and without dipstick positive proteinuria (≥ 1 +) at their first visit to our department. Participants were divided into two groups based on the FIB4 index at their first visit: FIB4 index > 1.3 and FIB4 index ≤ 1.3. The primary endpoint was defined as a decrease in eGFR < 60 mL/min/1.73 m2 or the onset of proteinuria during the course of treatment. The average age of all 584 type 2 diabetic participants (360 [61.6%] men) was 55 ± 11 years. There were 187 patients in the FIB4 index group > 1.3 (32.0%) and the median observation period was 6.0 (3.8–11.0) years. Kaplan–Meier survival analysis indicated that the risks of developing DKD, eGFR < 60 and proteinuria were all higher in FIB4 index > 1.3 patients than in FIB4 ≤ 1.3 patients. In the Cox regression analysis, an FIB4 index > 1.3 was a significant predictor for onset of DKD (HR 1.54, 95% CI 1.15–2.08) and proteinuria (HR 1.55, 95% CI 1.08–2.23), but not for an eGFR < 60 (HR 1.14, 95% CI 0.79–1.99). To the best of our knowledge, this is the first study to demonstrate that an FIB4 index > 1.3 has a prognostic impact on the development of CKD and proteinuria in type 2 diabetic patients. This warrants further investigation of the prognostic impact of the development of DKD or proteinuria.
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Chou YH, Chen YM. Aging and Renal Disease: Old Questions for New Challenges. Aging Dis 2021; 12:515-528. [PMID: 33815880 PMCID: PMC7990354 DOI: 10.14336/ad.2020.0703] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2020] [Accepted: 07/03/2020] [Indexed: 12/15/2022] Open
Abstract
Chronic kidney disease (CKD) is a growing problem among aging population, and the number of individuals at risk of end stage renal disease is rising. Part of the reason lies in incomplete understanding of the pathways underlying renal aging and kidney disease, as well as insufficient delivery of evidence-based treatment to elderly patients with CKD. This review aims to address these unsolved issues by delineating updated mechanisms of renal senescence and summarizing recent findings on key clinical aspects of CKD in the elderly. Challenges and obstacles in caring for older people with CKD are discussed, with an emphasis on modification of risk factors, prevention of acute kidney injury, stabilization of progression and decision on dialysis initiation.
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Affiliation(s)
- Yu-Hsiang Chou
- 1Department of Internal Medicine, National Taiwan University Hospital Jin-Shan Branch, New Taipei City 20844, Taiwan.,2Renal Division, Department of Internal Medicine, and
| | - Yung-Ming Chen
- 2Renal Division, Department of Internal Medicine, and.,3Department of Geriatrics and Gerontology, National Taiwan University Hospital, College of Medicine, National Taiwan University, Taiwan
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Gomez-Fernández P, Martín Santana A, Arjona Barrionuevo JDD. Oral anticoagulation in chronic kidney disease with atrial fibrillation. Nefrologia 2021; 41:137-153. [PMID: 36165375 DOI: 10.1016/j.nefroe.2021.04.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2020] [Accepted: 08/11/2020] [Indexed: 06/16/2023] Open
Abstract
Chronic kidney disease (CKD) and atrial fibrillation (AF) frequently coexist, amplifying the risk of cardiovascular events and mortality. In patients with CKD stage 3 and non-valvular AF, direct oral anticoagulants (DOACs) have shown, compared to vitamin K antagonists (VKA), equal or greater efficacy in the prevention of stroke and systemic embolism, and greater safety. There are no randomizedtrials of the efficacy and safety of DOACs and VKA in advanced CKD. On the other hand, observational studies suggest that DOACs, compared to warfarin, are associated with a lower risk of acute kidney damage and generation/progression of CKD. This paper reviews the epidemiological and pathophysiological aspects of the CKD and AF association, the evidence of the efficacy and safety of warfarin and ACODs in various stages of CKD with AF as well as the comparison between warfarin and ACODs in efficacy and anticoagulant safety, and in its renal effects.
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Affiliation(s)
- Pablo Gomez-Fernández
- Unidad de Factores de Riesgo Vascular, Servicio de Nefrología, Hospital Universitario de Jerez, Jerez de la Frontera, Cádiz, Spain.
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McQuail JA, Dunn AR, Stern Y, Barnes CA, Kempermann G, Rapp PR, Kaczorowski CC, Foster TC. Cognitive Reserve in Model Systems for Mechanistic Discovery: The Importance of Longitudinal Studies. Front Aging Neurosci 2021; 12:607685. [PMID: 33551788 PMCID: PMC7859530 DOI: 10.3389/fnagi.2020.607685] [Citation(s) in RCA: 33] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2020] [Accepted: 12/30/2020] [Indexed: 12/14/2022] Open
Abstract
The goal of this review article is to provide a resource for longitudinal studies, using animal models, directed at understanding and modifying the relationship between cognition and brain structure and function throughout life. We propose that forthcoming longitudinal studies will build upon a wealth of knowledge gleaned from prior cross-sectional designs to identify early predictors of variability in cognitive function during aging, and characterize fundamental neurobiological mechanisms that underlie the vulnerability to, and the trajectory of, cognitive decline. Finally, we present examples of biological measures that may differentiate mechanisms of the cognitive reserve at the molecular, cellular, and network level.
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Affiliation(s)
- Joseph A McQuail
- Department of Pharmacology, Physiology and Neuroscience, University of South Carolina School of Medicine, Columbia, SC, United States
| | - Amy R Dunn
- The Jackson Laboratory, Bar Harbor, ME, United States
| | - Yaakov Stern
- Cognitive Neuroscience Division, Department of Neurology, Vagelos College of Physicians and Surgeons, Columbia University, New York, NY, United States
| | - Carol A Barnes
- Departments of Psychology and Neuroscience, University of Arizona, Tucson, AZ, United States.,Evelyn F. McKnight Brain Institute, University of Arizona, Tucson, AZ, United States
| | - Gerd Kempermann
- CRTD-Center for Regenerative Therapies Dresden, Technische Universität Dresden, Dresden, Germany.,German Center for Neurodegenerative Diseases (DZNE), Helmholtz Association of German Research Centers (HZ), Dresden, Germany
| | - Peter R Rapp
- Laboratory of Behavioral Neuroscience, Neurocognitive Aging Section, National Institute on Aging, Baltimore, MD, United States
| | | | - Thomas C Foster
- Department of Neuroscience, McKnight Brain Institute, University of Florida, Gainesville, FL, United States.,Genetics and Genomics Program, University of Florida, Gainesville, FL, United States
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Xu J, Zhou L, Liu Y. Cellular Senescence in Kidney Fibrosis: Pathologic Significance and Therapeutic Strategies. Front Pharmacol 2020; 11:601325. [PMID: 33362554 PMCID: PMC7759549 DOI: 10.3389/fphar.2020.601325] [Citation(s) in RCA: 34] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2020] [Accepted: 10/21/2020] [Indexed: 01/10/2023] Open
Abstract
Age-related disorders such as chronic kidney disease (CKD) are increasingly prevalent globally and pose unprecedented challenges. In many aspects, CKD can be viewed as a state of accelerated and premature aging. Aging kidney and CKD share many common characteristic features with increased cellular senescence, a conserved program characterized by an irreversible cell cycle arrest with altered transcriptome and secretome. While developmental senescence and acute senescence may positively contribute to the fine-tuning of embryogenesis and injury repair, chronic senescence, when unresolved promptly, plays a crucial role in kidney fibrogenesis and CKD progression. Senescent cells elicit their fibrogenic actions primarily by secreting an assortment of inflammatory and profibrotic factors known as the senescence-associated secretory phenotype (SASP). Increasing evidence indicates that senescent cells could be a promising new target for therapeutic intervention known as senotherapy, which includes depleting senescent cells, modulating SASP and restoration of senescence inhibitors. In this review, we discuss current understanding of the role and mechanism of cellular senescence in kidney fibrosis. We also highlight potential options of targeting senescent cells for the treatment of CKD.
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Affiliation(s)
- Jie Xu
- State Key Laboratory of Organ Failure Research, National Clinical Research Center of Kidney Disease, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Lili Zhou
- State Key Laboratory of Organ Failure Research, National Clinical Research Center of Kidney Disease, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Youhua Liu
- State Key Laboratory of Organ Failure Research, National Clinical Research Center of Kidney Disease, Nanfang Hospital, Southern Medical University, Guangzhou, China.,Department of Pathology, University of Pittsburgh School of Medicine, Pittsburgh, PA, United States
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Li H, Wang B, Li D, Li J, Luo Y, Dan J. Roles of telomeres and telomerase in age‑related renal diseases (Review). Mol Med Rep 2020; 23:96. [PMID: 33300081 PMCID: PMC7723152 DOI: 10.3892/mmr.2020.11735] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2020] [Accepted: 10/30/2020] [Indexed: 01/20/2023] Open
Abstract
Age‑related renal diseases, which account for various progressive renal disorders associated with cellular and organismal senescence, are becoming a substantial public health burden. However, their aetiologies are complicated and their pathogeneses remain poorly understood. Telomeres and telomerase are known to be essential for maintaining the integrity and stability of eukaryotic genomes and serve crucial roles in numerous related signalling pathways that activate renal functions, such as repair and regeneration. Previous studies have reported that telomere dysfunction served a role in various types of age‑related kidney disease through various different molecular pathways. The present review aimed to summarise the current knowledge of the association between telomeres and ageing‑related kidney diseases and explored the contribution of dysfunctional telomeres to these diseases. The findings may help to provide novel strategies for treating patients with renal disease.
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Affiliation(s)
- Haili Li
- Laboratory of Molecular Genetics of Aging and Tumor, Medical School, Kunming University of Science and Technology, Kunming, Yunnan 650500, P.R. China
| | - Boyuan Wang
- The Key Lab of Sports and Rehabilitation, Faculty of Physical Education, Yuxi Normal University, Yuxi, Yunnan 653100, P.R. China
| | - Daoqun Li
- Department of Human Anatomy, School of Basic Medicine and Institute of Basic Medicine, Shandong First Medical University and Shandong Academy of Medical Science, Jinan, Shandong 250014, P.R. China
| | - Jinyuan Li
- Department of General Surgery, Kunming University of Science and Technology, Kunming, Yunnan 650500, P.R. China
| | - Ying Luo
- Laboratory of Molecular Genetics of Aging and Tumor, Medical School, Kunming University of Science and Technology, Kunming, Yunnan 650500, P.R. China
| | - Juhua Dan
- Laboratory of Molecular Genetics of Aging and Tumor, Medical School, Kunming University of Science and Technology, Kunming, Yunnan 650500, P.R. China
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Garay-Sevilla ME, Beeri MS, de la Maza MP, Rojas A, Salazar-Villanea S, Uribarri J. The potential role of dietary advanced glycation endproducts in the development of chronic non-infectious diseases: a narrative review. Nutr Res Rev 2020; 33:298-311. [PMID: 32238213 DOI: 10.1017/s0954422420000104] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Increasing clinical and experimental evidence accumulated during the past few decades supports an important role for dietary advanced glycation endproducts (AGE) in the pathogenesis of many chronic non-infectious diseases, such as type 2 diabetes, CVD and others, that are reaching epidemic proportions in the Western world. Although AGE are compounds widely recognised as generated in excess in the body in diabetic patients, the potential importance of exogenous AGE, mostly of dietary origin, has been largely ignored in the general nutrition audience. In the present review we aim to describe dietary AGE, their mechanisms of formation and absorption into the body as well as their main mechanisms of action. We will present in detail current evidence of their potential role in the development of several chronic non-infectious clinical conditions, some general suggestions on how to restrict them in the diet and evidence regarding the potential benefits of lowering their consumption.
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Affiliation(s)
- M E Garay-Sevilla
- Medical Science Department, University of Guanajuato, Guanajuato, Mexico
| | - M S Beeri
- Department of Psychiatry, Icahn School of Medicine at Mount Sinai, New York, NY, USA
- The Joseph Sagol Neuroscience Center, Sheba Medical Center, Ramat Gan, Israel
| | - M P de la Maza
- Institute of Nutrition and Food Technology Dr. Fernando Monckeberg Barros, University of Chile, Santiago, Chile
| | - A Rojas
- Biomedical Research Laboratories, Faculty of Medicine, Catholic University of Maule, Talca, Chile
| | - S Salazar-Villanea
- Department of Animal Science, Universidad de Costa Rica, San Pedro Montes de Oca, San José, Costa Rica
| | - J Uribarri
- Department of Medicine, Icahn School of Medicine at Mount Sinai, New York, NY, USA
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Meade RD, Akerman AP, Notley SR, McGinn R, Poirier P, Gosselin P, Kenny GP. Physiological factors characterizing heat-vulnerable older adults: A narrative review. ENVIRONMENT INTERNATIONAL 2020; 144:105909. [PMID: 32919284 DOI: 10.1016/j.envint.2020.105909] [Citation(s) in RCA: 90] [Impact Index Per Article: 22.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/16/2020] [Revised: 05/24/2020] [Accepted: 06/17/2020] [Indexed: 05/26/2023]
Abstract
More frequent and intense periods of extreme heat (heatwaves) represent the most direct challenge to human health posed by climate change. Older adults are particularly vulnerable, especially those with common age-associated chronic health conditions (e.g., cardiovascular disease, hypertension, obesity, type 2 diabetes, chronic kidney disease). In parallel, the global population is aging and age-associated disease rates are on the rise. Impairments in the physiological responses tasked with maintaining homeostasis during heat exposure have long been thought to contribute to increased risk of health disorders in older adults during heatwaves. As such, a comprehensive overview of the provisional links between age-related physiological dysfunction and elevated risk of heat-related injury in older adults would be of great value to healthcare officials and policy makers concerned with protecting heat-vulnerable sectors of the population from the adverse health impacts of heatwaves. In this narrative review, we therefore summarize our current understanding of the physiological mechanisms by which aging impairs the regulation of body temperature, hemodynamic stability and hydration status. We then examine how these impairments may contribute to acute pathophysiological events common during heatwaves (e.g., heatstroke, major adverse cardiovascular events, acute kidney injury) and discuss how age-associated chronic health conditions may exacerbate those impairments. Finally, we briefly consider the importance of physiological research in the development of climate-health programs aimed at protecting heat-vulnerable individuals.
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Affiliation(s)
- Robert D Meade
- Human and Environmental Physiology Research Unit, School of Human Kinetics, University of Ottawa, Ottawa, Ontario, Canada
| | - Ashley P Akerman
- Human and Environmental Physiology Research Unit, School of Human Kinetics, University of Ottawa, Ottawa, Ontario, Canada
| | - Sean R Notley
- Human and Environmental Physiology Research Unit, School of Human Kinetics, University of Ottawa, Ottawa, Ontario, Canada
| | - Ryan McGinn
- Department of Anesthesiology and Pain Medicine, The Ottawa Hospital, University of Ottawa, Ottawa, ON, Canada
| | - Paul Poirier
- Institut Universitaire de Cardiologie et de Pneumologie de Québec, Université Laval, Québec, Québec, Canada
| | - Pierre Gosselin
- Institut National de Santé Publique du Québec and Université Laval, Québec, Québec, Canada
| | - Glen P Kenny
- Human and Environmental Physiology Research Unit, School of Human Kinetics, University of Ottawa, Ottawa, Ontario, Canada; Clinical Epidemiology Program, Ottawa Hospital Research Institute, Ottawa, Ontario, Canada.
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Two Toxic Lipid Aldehydes, 4-hydroxy-2-hexenal (4-HHE) and 4-hydroxy-2-nonenal (4-HNE), Accumulate in Patients with Chronic Kidney Disease. Toxins (Basel) 2020; 12:toxins12090567. [PMID: 32899405 PMCID: PMC7551374 DOI: 10.3390/toxins12090567] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2020] [Revised: 08/31/2020] [Accepted: 09/02/2020] [Indexed: 01/26/2023] Open
Abstract
Lipid aldehydes originating from the peroxidation of n-3 and n-6 polyunsaturated fatty acids are increased in hemodialysis (HD) patients, a process already known to promote oxidative stress. However, data are lacking for patients with chronic kidney disease (CKD) before the initiation of HD. We prospectively evaluated the changes of plasma concentrations of two major lipid aldehydes, 4-HHE and 4-HNE, according to the decrease of glomerular filtration rate (GFR) in 40 CKD and 13 non-CKD participants. GFR was measured by inulin or iohexol clearance. Thus, 4-hydroxy-2-nonenal (4-HNE) and 4-hydroxy-2-hexenal (4-HHE) were quantitated in plasma by gas chromatography coupled with mass spectrometry and their covalent adducts on proteins were quantified by immunoblotting. On the one hand, 4-HHE plasma concentration increased from CKD stage I–II to CKD stage IV–V compared to non-CKD patients (4.5-fold higher in CKD IV–V, p < 0.005). On the other hand, 4-HNE concentration only increased in CKD stage IV–V patients (6.2-fold, p < 0.005). The amount of covalent adducts of 4-HHE on plasma protein was 9.5-fold higher in CKD patients than in controls (p < 0.005), while no difference was observed for 4-HNE protein adducts. Plasma concentrations of 4-HNE and 4-HHE are increased in CKD IV–V patients before the initiation of hemodialysis.
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Infante B, Franzin R, Madio D, Calvaruso M, Maiorano A, Sangregorio F, Netti GS, Ranieri E, Gesualdo L, Castellano G, Stallone G. Molecular Mechanisms of AKI in the Elderly: From Animal Models to Therapeutic Intervention. J Clin Med 2020; 9:jcm9082574. [PMID: 32784471 PMCID: PMC7464895 DOI: 10.3390/jcm9082574] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2020] [Revised: 07/21/2020] [Accepted: 08/05/2020] [Indexed: 12/17/2022] Open
Abstract
Acute kidney injury (AKI), a critical syndrome characterized by a sudden reduction of renal function, is a common disorder among elderly patients particularly in Intensive Care Unit (ICU). AKI is closely associated with both short- and long-term mortality and length of hospital stay and is considered a predictor of chronic kidney disease (CKD). Specific hemodynamic, metabolic, and molecular changes lead to increased susceptibility to injury in the aged kidney; therefore, certain causes of AKI such as the prerenal reduction in renal perfusion or vascular obstructive conditions are more common in the elderly; moreover, AKI is often multifactorial and iatrogenic. Older patients present several comorbidities (diabetes, hypertension, heart failure) and are exposed to multiple medical interventions such as the use of nephrotoxic contrasts media and medications, which can also trigger AKI. Considering the emerging relevance of this condition, prevention and treatment of AKI in the elderly should be crucial in the internist and emergency setting. This review article summarizes the incidence, the risk factors, the pathophysiology, the molecular mechanisms and the strategies of prevention and treatment of AKI in elderly patients.
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Affiliation(s)
- Barbara Infante
- Nephrology, Dialysis and Transplantation Unit, Department of Medical and Surgical Sciences, University of Foggia, Viale Pinto Luigi 251, 71122 Foggia, Italy; (B.I.); (D.M.); (A.M.); (F.S.); (G.S.)
| | - Rossana Franzin
- Nephrology, Dialysis and Transplantation Unit, Department of Emergency and Organ Transplantation, University of Bari, 70124 Bari, Italy; (R.F.); (L.G.)
| | - Desirèe Madio
- Nephrology, Dialysis and Transplantation Unit, Department of Medical and Surgical Sciences, University of Foggia, Viale Pinto Luigi 251, 71122 Foggia, Italy; (B.I.); (D.M.); (A.M.); (F.S.); (G.S.)
| | - Martina Calvaruso
- Nephrology, Dialysis and Transplantation Unit, Department of Biomedical Sciences, University of Foggia, 71122 Foggia, Italy;
| | - Annamaria Maiorano
- Nephrology, Dialysis and Transplantation Unit, Department of Medical and Surgical Sciences, University of Foggia, Viale Pinto Luigi 251, 71122 Foggia, Italy; (B.I.); (D.M.); (A.M.); (F.S.); (G.S.)
| | - Fabio Sangregorio
- Nephrology, Dialysis and Transplantation Unit, Department of Medical and Surgical Sciences, University of Foggia, Viale Pinto Luigi 251, 71122 Foggia, Italy; (B.I.); (D.M.); (A.M.); (F.S.); (G.S.)
| | - Giuseppe Stefano Netti
- Clinical Pathology, Department of Surgical and Medical Sciences, University of Foggia, Viale Pinto Luigi 251, 71122 Foggia, Italy; (G.S.N.); (E.R.)
| | - Elena Ranieri
- Clinical Pathology, Department of Surgical and Medical Sciences, University of Foggia, Viale Pinto Luigi 251, 71122 Foggia, Italy; (G.S.N.); (E.R.)
| | - Loreto Gesualdo
- Nephrology, Dialysis and Transplantation Unit, Department of Emergency and Organ Transplantation, University of Bari, 70124 Bari, Italy; (R.F.); (L.G.)
| | - Giuseppe Castellano
- Nephrology, Dialysis and Transplantation Unit, Department of Medical and Surgical Sciences, University of Foggia, Viale Pinto Luigi 251, 71122 Foggia, Italy; (B.I.); (D.M.); (A.M.); (F.S.); (G.S.)
- Correspondence: ; Tel.: +39-088-173-2610; Fax: +39-088-173-6001
| | - Giovanni Stallone
- Nephrology, Dialysis and Transplantation Unit, Department of Medical and Surgical Sciences, University of Foggia, Viale Pinto Luigi 251, 71122 Foggia, Italy; (B.I.); (D.M.); (A.M.); (F.S.); (G.S.)
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Takagi K, Mizuno M, Kawase K, Minoshima K, Yamaha M, Horie M. Impact on survival of urgent dialysis initiation in patients with end-stage renal disease: a case-control study. Clin Exp Nephrol 2020; 24:1154-1161. [PMID: 32767136 DOI: 10.1007/s10157-020-01931-7] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2020] [Accepted: 07/09/2020] [Indexed: 12/28/2022]
Abstract
BACKGROUND Outcomes of patients with end-stage renal disease at urgent dialysis initiation are varied, but evidence of their long-term prognosis is limited. We aimed to characterize patients undergoing urgent dialysis initiation and analyse its effect on survival outcome. METHODS We retrospectively identified 208 patients who began haemodialysis from 1 January 2012 to 31 December 2018 at our hospital. In this observational case-control study, the case group comprised patients starting urgent dialysis, and the control group comprised patients starting planned dialysis. We analysed laboratory data, sex, age, smoking history, comorbidities and presence of vascular access and nephrology care that potentially affected the outcome. Data were analysed with Kaplan-Meier curves of early and late period (3 years after dialysis initiation) survival and log-rank tests and with Cox regression analysis. RESULTS Median age (range) at dialysis initiation was 73 (28-90) years, with 50 (24%) patients in the urgent initiation group. Five (10%) patients in this group had vascular access at dialysis initiation, whereas 21 (42%) had not received adequate pre-dialysis nephrology care. The estimated median overall survival rates of the urgent group and planned initiation group were 42 months and not reached, respectively (P = 0.0011). Multivariable analysis found urgent dialysis initiation to be an independent risk factor for survival (HR 2.36; 95% CI 1.36-4.00; P = 0.02). Survival was not significantly different between the groups for patients who continued chronic dialysis for > 3 years from dialysis initiation (P = 0.1339). CONCLUSION The prognosis of patients starting dialysis in an urgent condition was poor compared with those who started planned dialysis.
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Affiliation(s)
- Kimiaki Takagi
- Department of Urology, Daiyukai Daiichi Hospital, 1-6-12 Hagoromo, Ichinomiya, Aichi, 491-0025, Japan.
| | - Masashi Mizuno
- Division of Nephrology, Renal Replacement Therapy, Nagoya University Graduate School of Medicine, 65 Tsurumai, Showa-ku, Nagoya, 166-8550, Japan
| | - Kota Kawase
- Department of Urology, Daiyukai Daiichi Hospital, 1-6-12 Hagoromo, Ichinomiya, Aichi, 491-0025, Japan
| | - Kenichi Minoshima
- Department of Urology, Daiyukai Daiichi Hospital, 1-6-12 Hagoromo, Ichinomiya, Aichi, 491-0025, Japan
| | - Masayoshi Yamaha
- Department of Urology, Daiyukai Daiichi Hospital, 1-6-12 Hagoromo, Ichinomiya, Aichi, 491-0025, Japan
| | - Masanobu Horie
- Department of Urology, Daiyukai Daiichi Hospital, 1-6-12 Hagoromo, Ichinomiya, Aichi, 491-0025, Japan
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Kitada M, Xu J, Ogura Y, Monno I, Koya D. Manganese Superoxide Dismutase Dysfunction and the Pathogenesis of Kidney Disease. Front Physiol 2020; 11:755. [PMID: 32760286 PMCID: PMC7373076 DOI: 10.3389/fphys.2020.00755] [Citation(s) in RCA: 39] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2020] [Accepted: 06/11/2020] [Indexed: 12/12/2022] Open
Abstract
The mitochondria are a major source of reactive oxygen species (ROS). Superoxide anion (O2•–) is produced by the process of oxidative phosphorylation associated with glucose, amino acid, and fatty acid metabolism, resulting in the production of adenosine triphosphate (ATP) in the mitochondria. Excess production of reactive oxidants in the mitochondria, including O2•–, and its by-product, peroxynitrite (ONOO–), which is generated by a reaction between O2•– with nitric oxide (NO•), alters cellular function via oxidative modification of proteins, lipids, and nucleic acids. Mitochondria maintain an antioxidant enzyme system that eliminates excess ROS; manganese superoxide dismutase (Mn-SOD) is one of the major components of this system, as it catalyzes the first step involved in scavenging ROS. Reduced expression and/or the activity of Mn-SOD results in diminished mitochondrial antioxidant capacity; this can impair the overall health of the cell by altering mitochondrial function and may lead to the development and progression of kidney disease. Targeted therapeutic agents may protect mitochondrial proteins, including Mn-SOD against oxidative stress-induced dysfunction, and this may consequently lead to the protection of renal function. Here, we describe the biological function and regulation of Mn-SOD and review the significance of mitochondrial oxidative stress concerning the pathogenesis of kidney diseases, including chronic kidney disease (CKD) and acute kidney injury (AKI), with a focus on Mn-SOD dysfunction.
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Affiliation(s)
- Munehiro Kitada
- Department of Diabetology and Endocrinology, Kanazawa Medical University, Uchinada, Japan.,Division of Anticipatory Molecular Food Science and Technology, Medical Research Institute, Kanazawa Medical University, Uchinada, Japan
| | - Jing Xu
- Department of Diabetology and Endocrinology, Kanazawa Medical University, Uchinada, Japan
| | - Yoshio Ogura
- Department of Diabetology and Endocrinology, Kanazawa Medical University, Uchinada, Japan
| | - Itaru Monno
- Department of Diabetology and Endocrinology, Kanazawa Medical University, Uchinada, Japan
| | - Daisuke Koya
- Department of Diabetology and Endocrinology, Kanazawa Medical University, Uchinada, Japan.,Division of Anticipatory Molecular Food Science and Technology, Medical Research Institute, Kanazawa Medical University, Uchinada, Japan
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Guo H, Xu D, Kuroki M, Lu Z, Xu X, Geurts A, Osborn JW, Chen Y. Kidney failure, arterial hypertension and left ventricular hypertrophy in rats with loss of function mutation of SOD3. Free Radic Biol Med 2020; 152:787-796. [PMID: 31972339 DOI: 10.1016/j.freeradbiomed.2020.01.023] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/05/2019] [Revised: 01/18/2020] [Accepted: 01/18/2020] [Indexed: 12/18/2022]
Abstract
Chronic kidney disease (CKD) poses a considerable medical and public health challenge, and the Dahl/Salt Sensitive (Dahl/SS) strain is often used for CKD study. Extracellular superoxide dismutase (SOD3) is important for removing extracellular superoxide anions and is highly expressed in renal tissue. Using a novel rat strain with loss-of-function mutation of SOD3 created by replacing glutamate 124 of SOD3 with aspartic acid (SOD3E124D rat strain), we determined the effect of SOD3 on renal function and blood pressure in Dahl/SS rats. We find that SOD3E124D rats are phenotypically indistinguishable from wild type rats through 8 weeks of age, but develop profound CKD characterized by focal necrosis and fibrosis, glomerulosclerosis, massive proteinaceous cast accumulation with tubular dilatation, interstitial fibrosis with hypertension and renal failure by 21 weeks. The SOD3E124D strain represents a unique rat model that spontaneously develops CKD in an age-dependent fashion. The finding that loss of SOD3 causes CKD indicates that extracellular oxidative stress contributes to CKD and renal failure.
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Affiliation(s)
- Haipeng Guo
- Lillehei Heart Institute and the Cardiovascular Division, University of Minnesota, Minneapolis, MN55455, USA; Department of Critical Care Medicine, Key Laboratory of Cardiovascular Remodeling and Function Research, Chinese Ministry of Education and Chinese Ministry of Health, Qilu Hospital of Shandong University, Jinan, China
| | - Dachun Xu
- Lillehei Heart Institute and the Cardiovascular Division, University of Minnesota, Minneapolis, MN55455, USA; Cardiovascular Department, Shanghai Tenth People's Hospital, Tongji University, School of Medicine, Shanghai, China
| | - Marcos Kuroki
- Heart and Vascular Institute, Penn State College of Medicine, Hershey, PA, USA
| | - Zhongbing Lu
- Lillehei Heart Institute and the Cardiovascular Division, University of Minnesota, Minneapolis, MN55455, USA; College of Life Science, University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Xin Xu
- Shanghai Anti-doping Laboratory, Shanghai University of Sport, Shanghai, 200438, China.
| | - Aron Geurts
- Human and Molecular Genetics Center, Cardiovascular Center, Department of Physiology, Medical College of Wisconsin, USA
| | | | - Yingjie Chen
- Department of Physiology and Biophysics, University of Mississippi Medical Center, Jackson, MS39216, USA.
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Maiwall R, Gupta M. Peri-transplant renal dysfunction in patients with non-alcoholic steatohepatitis undergoing liver transplantation. Transl Gastroenterol Hepatol 2020; 5:18. [PMID: 32258522 DOI: 10.21037/tgh.2019.10.11] [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: 07/23/2019] [Accepted: 10/15/2019] [Indexed: 12/11/2022] Open
Abstract
Non-alcoholic fatty liver disease (NAFLD) is currently the most common etiology of chronic liver disease (CLD) caused by an accumulation of fat in the liver and globally is the leading indication of liver transplantation. Emerging data has recognized an increased association of NAFLD with risk of other metabolic liver diseases like type 2 diabetes mellitus, chronic kidney disease (CKD) and cardiovascular diseases. Pathophysiologically, NAFLD patients have a state of low-grade systemic inflammation, insulin resistance and atherogenic dyslipidemia which causes renal dysfunction. Patients with NAFLD cirrhosis awaiting liver transplant (LT) face unique challenges and have a significantly higher requirement of simultaneous-liver-kidney transplant as compared to other etiologies. Further, NAFLD not only recurs but also occurs as a de novo manifestation post-LT. There is also a significantly higher risk of waiting list stagnation and dropouts due to burdensome cardiometabolic disorders in NAFLD patients. The current review aims to understand the prevalence and pathogenetic basis of renal dysfunction in NAFLD. Additionally, the review describes the choice of immunosuppression protocols and use of intraoperative renal replacement therapy in context of intra and post-operative renal dysfunction in NAFLD patients. Prospective controlled trials focusing on NAFLD and development of CKD are needed to assess the existence of a causal and/or a bidirectional relationship between NAFLD and CKD.
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Affiliation(s)
- Rakhi Maiwall
- Department of Hepatology, Institute of Liver and Biliary Sciences, New Delhi, India
| | - Manasvi Gupta
- Department of Internal Medicine, University of Connecticut School of Medicine, Hartford, CT, USA
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Ribeiro PVM, Tavares JF, Costa MAC, Mattar JB, Alfenas RCG. Effect of reducing dietary advanced glycation end products on obesity-associated complications: a systematic review. Nutr Rev 2020; 77:725-734. [PMID: 31228247 DOI: 10.1093/nutrit/nuz034] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
CONTEXT Consumption of dietary advanced glycation end products (AGEs) is associated with oxidative stress, inflammation, and other chronic conditions commonly associated with obesity. OBJECTIVE To analyze the effects of dietary AGEs on complications associated with obesity. DATA SOURCES This systematic review was conducted and reported according to PRISMA guidelines. The PubMed, Cochrane, and Scopus databases were searched, using the terms "advanced glycation end products," "overweight," and "obesity." The last search was performed in October 2018. DATA EXTRACTION Six studies that evaluated the effects of low-AGE and high-AGE diets were included in the review. The duration of the studies ranged from 1 day to 12 weeks. A comparison of all the compiled data was conducted by the authors. DATA ANALYSIS Circulating and urinary AGE markers, besides soluble receptor for AGEs, were considered as the primary outcomes. The secondary outcomes were cardiometabolic, inflammatory, glycemic, anthropometric, and renal markers. CONCLUSIONS AGE-RAGE interactions can activate the NF-κB (nuclear factor kappa B) signaling pathway and inhibit the PI3K-AKT pathway in adipocytes, which may explain their association with chronic diseases. This interaction can be considered as a novel explanation for the pathogenesis of obesity. AGEs can also be used as a biomarker for monitoring responses to dietary interventions in overweight and obese people. SYSTEMATIC REVIEW REGISTRATION PROSPERO registration no. CRD42018082745.
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Affiliation(s)
- Priscila V M Ribeiro
- Department of Nutrition and Health, Universidade Federal de Viçosa, Viçosa, Minas Gerais, Brazil
| | - Juliana F Tavares
- Department of Nutrition and Health, Universidade Federal de Viçosa, Viçosa, Minas Gerais, Brazil
| | - Mirian A C Costa
- Department of Nutrition and Health, Universidade Federal de Viçosa, Viçosa, Minas Gerais, Brazil
| | - Jéssica B Mattar
- Department of Nutrition and Health, Universidade Federal de Viçosa, Viçosa, Minas Gerais, Brazil
| | - Rita C G Alfenas
- Department of Nutrition and Health, Universidade Federal de Viçosa, Viçosa, Minas Gerais, Brazil
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Chauveau P, Lasseur C, Azar R, Niu W, Combe C, Aparicio M. [Hygieno-dietetic recommendations in the prevention of accumulation of advanced glycation products]. Nephrol Ther 2019; 15:485-490. [PMID: 31680065 DOI: 10.1016/j.nephro.2019.05.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2019] [Accepted: 05/19/2019] [Indexed: 10/25/2022]
Abstract
Advanced glycation products are proteins whose structural and functional properties have been modified by a process of oxidative glycation. The accumulation of advanced glycation products in most tissues and the oxidative stress and inflammatory reactions that accompany it, account for the multi-systemic impairment observed particularly in the elderly, diabetics and in chronic renal failure. The advanced glycation products endogenous production is continuous, related to oxidative stress, but the most important source of advanced glycation products is exogenous, mainly of food origin. Exogenous advanced glycation products are developed during the preparation of food and beverages. The advanced glycation products content is higher for animal foods, but it is mainly the preparation and cooking methods that play a decisive role. Dietary advice is based on the selection of foods and the choice of methods of preparation. Several randomized controlled studies have confirmed the favorable effect of these recommendations on serum advanced glycation products concentrations. In humans, as in animals, regular physical activity also results in a reduction of serum and tissue concentrations of advanced glycation products. There is a need for prospective clinical study to confirm the effects of hygienic and dietary recommendations that have only been appreciated, so far, on biological markers.
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Affiliation(s)
- Philippe Chauveau
- Service hémodialyse, Aurad Aquitaine, 2 allée des demoiselles, 33170 Gradignan, France.
| | - Catherine Lasseur
- Service hémodialyse, Aurad Aquitaine, 2 allée des demoiselles, 33170 Gradignan, France
| | - Raymond Azar
- Service de néphrologie, centre hospitalier de Dunkerque, 59240 Dunkerque, France
| | - Wenli Niu
- Laboratoire de science de la vie, université de Bordeaux, 33615 Bordeaux, France
| | - Christian Combe
- Service de néphrologie, hôpital Pellegrin, CHU de Bordeaux, 33000 Bordeaux, France
| | - Michel Aparicio
- Service de néphrologie, hôpital Pellegrin, CHU de Bordeaux, 33000 Bordeaux, France
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Influence of Dietary Ingredients on Lean Body Percent, Uremic Toxin Concentrations, and Kidney Function in Senior-Adult Cats. Metabolites 2019; 9:metabo9100238. [PMID: 31635090 PMCID: PMC6836002 DOI: 10.3390/metabo9100238] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2019] [Revised: 10/16/2019] [Accepted: 10/17/2019] [Indexed: 12/18/2022] Open
Abstract
The goal of this study was to determine if modification of currently available maintenance foods with alternative ingredients, botanicals (fruit and vegetables), and increased amounts of functional lipids (fish oil) would delay the age-associated decline in glomerular filtration rate (GFR) and lean body mass (LBM) in senior-adult cats. Forty-four healthy cats (mean age, 12.2 years; range 10.7 to 14.0 years) were fed one of three foods (n = 14 or 15 per group) for six months: control food with 32.6% protein (as fed), or control food supplemented with increasing amounts of functional food bioactives: fish oil, fruit and vegetables, different protein sources, and <32.0% protein [functional foods one (FF1) and two (FF2)]. Senior-adult cats were compared before and after the feeding trial with 20 young-adult cats (mean age, 3.5 years; range 2.1 to 4.9 years). Compared with younger cats, older cats had decreased lean-body percent and serum albumin concentrations. Feeding FF1 and FF2 for six months increased lean-body percent, maintained serum albumin concentrations, increased GFR, decreased serum symmetric dimethylarginine (SDMA) concentrations, and decreased concentrations of the uremic toxin 3-indoxyl sulfate. These dietary changes may assist in offsetting sarcopenia and the chronic inflammation associated with aging in senior-adult cats.
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Park JW, Yang PS, Bae HJ, Yang SY, Yu HT, Kim TH, Uhm JS, Joung B, Lee MH, Pak HN. Five-Year Change in the Renal Function After Catheter Ablation of Atrial Fibrillation. J Am Heart Assoc 2019; 8:e013204. [PMID: 31474174 PMCID: PMC6755838 DOI: 10.1161/jaha.119.013204] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Abstract
Background Although it has been reported that renal function can improve after catheter ablation of atrial fibrillation (AF), long‐term changes in renal function and its relationship to rhythm outcomes have not yet been evaluated. We explored the 5‐year change in estimated glomerular filtration rate (eGFR) in AF patients depending on medical therapy and catheter ablation. Methods and Results Among 1963 patients who underwent AF catheter ablation and 14 056 with AF under medical therapy in the National Health Insurance Service database, we compared 571 with AF catheter ablation (59±10 years old, 72.3% male, and 66.5% paroxysmal AF) and 1713 with medical therapy after 1:3 propensity‐score matching. All participants had 5 years of serial eGFR data (Chronic Kidney Disease‐Epidemiology Collaboration [CKD‐EPI] method). Catheter ablation improved eGFR5 yrs (P<0.001), but medical therapy did not. In 2284 matched patients, age (adjusted odds ratio [OR], 0.98 [0.97–0.99]; P<0.001) and AF catheter ablation (adjusted OR, 2.02 [1.67–2.46]; P<0.001) were independently associated with an improved eGFR5 yrs. Among 571 patients who underwent AF ablation, freedom from AF/atrial tachycardia recurrence after the last AF ablation procedure was independently associated with an improved eGFR5 yrs (adjusted OR, 1.44 [1.01–2.04]; P=0.043), especially in patients without diabetes mellitus (adjusted OR, 1.78 [1.21–2.63]; P=0.003, P for interaction=0.012). Although underlying renal dysfunction (<60 mL/min/1.73m2) was associated with atrial structural remodeling (adjusted OR, 1.05 [1.00–1.11]; P=0.046), it did not affect the AF ablation rhythm outcome. Conclusions AF catheter ablation significantly improved renal function over a 5‐year follow‐up, especially in patients maintaining sinus rhythm without preexisting diabetes mellitus. See Editorial Wehner
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Affiliation(s)
- Je-Wook Park
- Yonsei University Health System Seoul Republic of Korea
| | - Pil-Sung Yang
- Division of Cardiology CHA University Seongnam Republic of Korea
| | - Han-Joon Bae
- Daegu Catholic University Medical Center Daegu Republic of Korea
| | - Song-Yi Yang
- Yonsei University Health System Seoul Republic of Korea
| | - Hee Tae Yu
- Yonsei University Health System Seoul Republic of Korea
| | - Tae-Hoon Kim
- Yonsei University Health System Seoul Republic of Korea
| | - Jae-Sun Uhm
- Yonsei University Health System Seoul Republic of Korea
| | - Boyoung Joung
- Yonsei University Health System Seoul Republic of Korea
| | | | - Hui-Nam Pak
- Yonsei University Health System Seoul Republic of Korea
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42
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Yan Y, Huang Y, Zhou D, Tang S, Feng YQ. Visit-to-Visit Variability in Total Cholesterol Correlates with the Progression of Renal Function Decline in a Chinese Community-Based Hypertensive Population. Kidney Blood Press Res 2019; 44:727-742. [PMID: 31387100 DOI: 10.1159/000501367] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2019] [Accepted: 06/05/2019] [Indexed: 11/19/2022] Open
Abstract
BACKGROUND Studies have demonstrated that cholesterol variability is an independent predictor of cerebrovascular and cardiovascular events. OBJECTIVE This study aimed to investigate the association of visit-to-visit variability in total cholesterol (TC) with kidney decline in a Chinese community-based population. METHODS We assessed intraindividual variability in TC among 6,465 hypertensive participants and correlated the results with endpoints. TC variability was measured using standard deviation (SD), average successive variability (ASV), coefficient of variation (CV), and variability independent of the mean (VIM). The endpoint of this study was progression of renal function decline defined as a decrease in estimated glomerular filtration rate (eGFR) ≥30% and to a level <60 mL/min/1.73 m2 during follow-up if the baseline eGFR was ≥60 mL/min/1.73 m2, or a decrease in eGFR ≥50% during follow up if the baseline eGFR was <60 mL/min/1.73 m2. RESULTS After a median follow-up of 27 months, 13.5% (n = 877) of the participants experienced progression of renal function decline. In the multivariable-adjusted Cox model, each 1-SD increase in TC variability (by SD) increased the risk of renal function decline by 11% (HR = 1.11; 95% CI 1.034-1.197; p = 0.004); this was independent of the baseline eGFR, mean follow-up TC levels, and the lipid-lowering therapy. Similar results were found for the 3 other measures of variability, i.e., ASV, CV, and VIM. CONCLUSION In subjects with hypertension, visit-to-visit variability in TC is an independent predictor of renal function decline.
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Affiliation(s)
- Yuqin Yan
- Department of Cardiology, Guangdong Cardiovascular Institute, Hypertension Research Laboratory, Guangdong Provincial Key Laboratory of Coronary Heart Disease Prevention, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, South China University of Technology School of Medicine, Guangzhou, China
| | - Yuqin Huang
- Department of Cardiology, Guangdong Cardiovascular Institute, Hypertension Research Laboratory, Guangdong Provincial Key Laboratory of Coronary Heart Disease Prevention, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, South China University of Technology School of Medicine, Guangzhou, China
| | - Dan Zhou
- Department of Cardiology, Guangdong Cardiovascular Institute, Hypertension Research Laboratory, Guangdong Provincial Key Laboratory of Coronary Heart Disease Prevention, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, South China University of Technology School of Medicine, Guangzhou, China
| | - Songtao Tang
- Community Health Center of Liaobu County, Dongguan, China
| | - Ying-Qing Feng
- Department of Cardiology, Guangdong Cardiovascular Institute, Hypertension Research Laboratory, Guangdong Provincial Key Laboratory of Coronary Heart Disease Prevention, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, South China University of Technology School of Medicine, Guangzhou, China,
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Liu HW, Liu JS, Kuo KL. Association of nonalcoholic fatty liver and chronic kidney disease: An analysis of 37,825 cases from health checkup center in Taiwan. Tzu Chi Med J 2019; 32:65-69. [PMID: 32110523 PMCID: PMC7015019 DOI: 10.4103/tcmj.tcmj_233_18] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2018] [Revised: 12/03/2018] [Accepted: 12/20/2018] [Indexed: 02/06/2023] Open
Abstract
Objective: Nonalcoholic fatty liver (NAFLD) and chronic kidney disease (CKD) share common pathogenic mechanisms and risk factors. The relationship between in NAFLD and CKD remains controversial. We aim to assess the association between NAFLD and CKD. Materials and Methods: A cross-sectional study was based on individuals who received physical checkups at the Taipei Tzu Chi Hospital from September 5, 2005, to December 31, 2016. Demographic and clinical characteristics of the study population were collected. NAFLD was defined by abdominal ultrasonography and excluded other liver disease. CKD was defined as estimated glomerular filtration rate ≤60 mL/min/1.73 m2 or the presence of proteinuria. The association between NAFLD and CKD was then analyzed using SAS software by using the multivariable logistic model. A higher prevalence of CKD was shown in individuals with NAFLD compared to those without NAFLD. Results: In univariate analysis, individuals with mild NAFLD and moderate-to-severe NAFLD were both significantly associated with CKD (odds ratio [OR], 1.23; 95% confidence interval [CI], 1.13–1.33; OR, 1.66; CI, 1.49–1.85) when compared to individuals without NAFLD. After multivariate adjustment, individuals with moderate-to-severe NAFLD were still significantly more likely to have CKD (OR, 1.17, 95% CI, 1.03–1.33). Conclusions: Our finding showed that the presence and severity of NAFLD was positively associated with CKD in unadjusted and adjusted analysis. Further follow-up studies may be needed to validate these associations.
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Affiliation(s)
- Hao-Wen Liu
- Department of Family Medicine, Taipei Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, New Taipei, Taiwan
| | - Jia-Sin Liu
- Division of Nephrology, Taipei Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, New Taipei, Taiwan
| | - Ko-Lin Kuo
- Division of Nephrology, Taipei Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, New Taipei, Taiwan.,School of Medicine, Tzu Chi University, Hualien, Taiwan
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Park S, Chun J, Han KD, Soh H, Choi K, Kim JH, Lee J, Lee C, Im JP, Kim JS. Increased end-stage renal disease risk in patients with inflammatory bowel disease: A nationwide population-based study. World J Gastroenterol 2018; 24:4798-4808. [PMID: 30479466 PMCID: PMC6235796 DOI: 10.3748/wjg.v24.i42.4798] [Citation(s) in RCA: 43] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/20/2018] [Revised: 10/17/2018] [Accepted: 10/21/2018] [Indexed: 02/06/2023] Open
Abstract
AIM To estimate the risk of end-stage renal disease (ESRD) in patients with inflammatory bowel disease (IBD).
METHODS From January 2010 to December 2013, patients with Crohn’s disease (CD) and ulcerative colitis (UC) were identified, based on both the International Classification of Diseases, 10th revision (ICD-10) and the rare, intractable disease registration program codes from the National Health Insurance (NHI) database in South Korea. We compared 38812 patients with IBD to age- and sex-matched non-IBD controls with a ratio of 1:3. Patients newly diagnosed with ESRD were identified with the ICD-10 code.
RESULTS During a mean follow-up of 4.9 years, ESRD was detected in 79 (0.2%) patients with IBD and 166 (0.1%) controls. The incidence of ESRD in patients with IBD was 0.42 per 1000 person-years. Patients with IBD had a significantly higher risk of ESRD than controls [adjusted hazard ratio (HR) = 3.03; 95% confidence interval (CI): 1.77-5.20; P < 0.001]. The incidences (per 1000 person-years) of ESRD were 0.51 in patients with CD and 0.13 in controls, respectively (adjusted HR = 6.33; 95%CI: 2.75-14.56; P < 0.001). In contrast, the incidence of ESRD was similar between the UC and control groups (0.37 vs 0.37 per 1000 person-years; adjusted HR = 2.01; 95%CI: 0.90-4.51; P = 0.089).
CONCLUSION The risk of ESRD was elevated in patients with CD, but not UC. Patients with CD should be monitored carefully for signs of renal insufficiency.
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Affiliation(s)
- Seona Park
- Department of Internal Medicine, Liver Research Institute, Seoul National University College of Medicine, Seoul 03080, South Korea
| | - Jaeyoung Chun
- Department of Internal Medicine, Liver Research Institute, Seoul National University College of Medicine, Seoul 03080, South Korea
| | - Kyung-Do Han
- Department of Biostatistics, College of Medicine, The Catholic University of Korea, Seoul 06591, South Korea
| | - Hosim Soh
- Department of Internal Medicine, Liver Research Institute, Seoul National University College of Medicine, Seoul 03080, South Korea
| | - Kookhwan Choi
- Department of Internal Medicine, Liver Research Institute, Seoul National University College of Medicine, Seoul 03080, South Korea
| | - Ji Hye Kim
- Department of Internal Medicine, CHA Gangnam Medical Center, CHA University, Seoul 06135, South Korea
| | - Jooyoung Lee
- Department of Internal Medicine and Healthcare Research Institute, Healthcare System Gangnam Center, Seoul National University Hospital, Seoul 06236, South Korea
| | - Changhyun Lee
- Department of Internal Medicine and Healthcare Research Institute, Healthcare System Gangnam Center, Seoul National University Hospital, Seoul 06236, South Korea
| | - Jong Pil Im
- Department of Internal Medicine, Liver Research Institute, Seoul National University College of Medicine, Seoul 03080, South Korea
| | - Joo Sung Kim
- Department of Internal Medicine, Liver Research Institute, Seoul National University College of Medicine, Seoul 03080, South Korea
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Panickar KS, Jewell DE. The Benefit of Anti-Inflammatory and Renal-Protective Dietary Ingredients on the Biological Processes of Aging in the Kidney. BIOLOGY 2018; 7:biology7040045. [PMID: 30274250 PMCID: PMC6316594 DOI: 10.3390/biology7040045] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/08/2018] [Revised: 09/27/2018] [Accepted: 09/28/2018] [Indexed: 12/21/2022]
Abstract
One of the significant organ systems which decline in aging is the kidney. While the causes of age-associated decline in renal function are likely multifactorial, oxidative stress and inflammation are hypothesized to play important roles in the structural and functional changes of the kidney. During aging there is a general decline in the glomerular filtration rate (GFR), a primary measurement used to assess kidney function. Inflammation and oxidative stress have been hypothesized to have a significant detrimental effect on renal function in aging and this may be attenuated by renal protective dietary ingredients. These dietary ingredients may affect renal function directly or through a microbiome-mediated secondary product. Likewise, structural changes including renal tubular atrophy, interstitial fibrosis, and glomerulosclerosis have all been described in aging. Such detrimental changes may benefit from dietary ingredients that may delay or attenuate the occurrence of such changes. This review will describe the physiology and pathophysiology of aging in renal function with an emphasis on dogs and cats that develop a decline in kidney function naturally. In addition, the varying biomarkers of health and renal dysfunction will be discussed. Finally, we will evaluate the aid in the management of this normal decline through dietary intervention in animal models.
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Affiliation(s)
- Kiran S Panickar
- Science & Technology Center, Hill's Pet Nutrition, Inc., Topeka, KS 66617, USA.
| | - Dennis E Jewell
- Science & Technology Center, Hill's Pet Nutrition, Inc., Topeka, KS 66617, USA.
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Grosjean F, Yubero-Serrano EM, Zheng F, Esposito V, Swamy S, Elliot SJ, Cai W, Vlassara H, Salem F, Striker GE. Pharmacologic control of oxidative stress and inflammation determines whether diabetic glomerulosclerosis progresses or decreases: A pilot study in sclerosis-prone mice. PLoS One 2018; 13:e0204366. [PMID: 30252878 PMCID: PMC6155507 DOI: 10.1371/journal.pone.0204366] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2018] [Accepted: 09/05/2018] [Indexed: 11/18/2022] Open
Abstract
Diabetic kidney disease (DKD) is characterized by progressive glomerulosclerosis (GS). ROP mice have a sclerosis-prone phenotype. However, they develop severe, rapidly progressive GS when rendered diabetic. Since GS also develops in aged C57Bl6 mice, and can be reversed using bone marrow from young mice which have lower oxidative stress and inflammation (OS/Infl), we postulated that this might also apply to DKD. Therefore, this pilot study asked whether reducing OS/Infl in young adult sclerosis-prone (ROP) diabetic mice leads to resolution of existing GS in early DKD using safe, FDA-approved drugs.After 4 weeks of stable streptozotocin-induced hyperglycemia 8-12 week-old female mice were randomized and treated for 22 weeks as follows: 1) enalapril (EN) (n = 8); 2) pyridoxamine (PYR)+EN (n = 8); 3) pentosan polysulfate (PPS)+EN (n = 7) and 4) PPS+PYR+EN (n = 7). Controls were untreated (non-DB, n = 7) and hyperglycemic (DB, n = 8) littermates. PPS+PYR+EN reduced albuminuria and reversed GS in DB. Treatment effects: 1) Anti-OS/Infl defenses: a) PPS+PYR+EN increased the levels of SIRT1, Nrf2, estrogen receptor α (ERα) and advanced glycation endproduct-receptor1 (AGER1) levels; and b) PYR+EN increased ERα and AGER1 levels. 2) Pro-OS/Infl factors: a) PPS+PYR+EN reduced sTNFR1, b) all except EN reduced MCP1, c) RAGE was reduced by all treatments. In summary, PYR+PPS+EN modulated GS in sclerosis-prone hyperglycemic mice. PYR+PPS+EN also decreased albuminuria, OS/Infl and the sclerosis-prone phenotype. Thus, reducing OS/Infl may reverse GS in early diabetes in patients, and albuminuria may allow early detection of the sclerosis-prone phenotype.
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Affiliation(s)
- Fabrizio Grosjean
- Division of Nephrology, Dialysis and Transplantation, Fondazione IRCCS Policlinico San Matteo, Pavia, Italy
| | - Elena M. Yubero-Serrano
- Lipids and Atherosclerosis Unit, Instituto Maimónides de Investigación Biomédica de Córdoba (IMIBIC), Reina Sofia University Hospital, University of Cordoba, and CIBER Fisiopatologia Obesidad y Nutricion (CIBEROBN), Instituto de Salud Carlos III, Madrid, Spain
- * E-mail:
| | - Feng Zheng
- Division of Nephrology and Basic Science Laboratory, Union Hospital Fujian Medical University, Fuzhou, Fujian, China
| | - Vittoria Esposito
- Unit of Nephrology and Dialysis, Fondazione IRCCS Salvatore Maugeri, Pavia, Italy
| | - Shobha Swamy
- Division of Pulmonary, Allergy and Critical Care, Department of Medicine, University of Alabama School of Medicine, Birmingham, Alabama, United States of America
| | - Sharon J. Elliot
- Department of Surgery, School of Medicine, University of Miami, Miami, Florida, United States of America
| | - Weijing Cai
- Division of Experimental Diabetes and Aging, Department of Geriatrics, Icahn School of Medicine at Mount Sinai, New York, New York, United States of America
| | - Helen Vlassara
- Division of Experimental Diabetes and Aging, Department of Geriatrics, Icahn School of Medicine at Mount Sinai, New York, New York, United States of America
| | - Fadi Salem
- Department of Pathology, Icahn School of Medicine at Mount Sinai, One Gustave Levy Place, Annenberg 15–235, New York, New York, United States of America
| | - Gary E. Striker
- Division of Experimental Diabetes and Aging, Department of Geriatrics and Division of Nephrology, Department of Medicine, Icahn School of Medicine at Mount Sinai, New York, New York, United States of America
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Andrade L, Rodrigues CE, Gomes SA, Noronha IL. Acute Kidney Injury as a Condition of Renal Senescence. Cell Transplant 2018; 27:739-753. [PMID: 29701108 PMCID: PMC6047270 DOI: 10.1177/0963689717743512] [Citation(s) in RCA: 68] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
Acute kidney injury (AKI), characterized by a sharp drop in glomerular filtration, continues to be a significant health burden because it is associated with high initial mortality, morbidity, and substantial health-care costs. There is a strong connection between AKI and mechanisms of senescence activation. After ischemic or nephrotoxic insults, a wide range of pathophysiological events occur. Renal tubular cell injury is characterized by cell membrane damage, cytoskeleton disruption, and DNA degradation, leading to tubular cell death by necrosis and apoptosis. The senescence mechanism involves interstitial fibrosis, tubular atrophy, and capillary rarefaction, all of which impede the morphological and functional recovery of the kidneys, suggesting a strong link between AKI and the progression of chronic kidney disease. During abnormal kidney repair, tubular epithelial cells can assume a senescence-like phenotype. Cellular senescence can occur as a result of cell cycle arrest due to increased expression of cyclin kinase inhibitors (mainly p21), downregulation of Klotho expression, and telomere shortening. In AKI, cellular senescence is aggravated by other factors including oxidative stress and autophagy. Given this scenario, the main question is whether AKI can be repaired and how to avoid the senescence process. Stem cells might constitute a new therapeutic approach. Mesenchymal stem cells (MSCs) can ameliorate kidney injury through angiogenesis, immunomodulation, and fibrosis pathway blockade, as well as through antiapoptotic and promitotic processes. Young umbilical cord–derived MSCs are better at increasing Klotho levels, and thus protecting tissues from senescence, than are adipose-derived MSCs. Umbilical cord–derived MSCs improve glomerular filtration and tubular function to a greater degree than do those obtained from adult tissue. Although senescence-related proteins and microRNA are upregulated in AKI, they can be downregulated by treatment with umbilical cord–derived MSCs. In summary, stem cells derived from young tissues, such as umbilical cord–derived MSCs, could slow the post-AKI senescence process.
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Affiliation(s)
- Lucia Andrade
- 1 Laboratory of Basic Science LIM-12, Renal Division, University of São Paulo, School of Medicine, São Paulo, Brazil
| | - Camila E Rodrigues
- 1 Laboratory of Basic Science LIM-12, Renal Division, University of São Paulo, School of Medicine, São Paulo, Brazil
| | - Samirah A Gomes
- 2 Laboratory of Cellular, Genetic, and Molecular Nephrology, Renal Division, University of São Paulo, School of Medicine, São Paulo, Brazil
| | - Irene L Noronha
- 2 Laboratory of Cellular, Genetic, and Molecular Nephrology, Renal Division, University of São Paulo, School of Medicine, São Paulo, Brazil
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Kimura T, Shiizaki K, Akimoto T, Shinzato T, Shimizu T, Kurosawa A, Kubo T, Nanmoku K, Kuro-O M, Yagisawa T. The impact of preserved Klotho gene expression on antioxidative stress activity in healthy kidney. Am J Physiol Renal Physiol 2018; 315:F345-F352. [PMID: 29693450 DOI: 10.1152/ajprenal.00486.2017] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Klotho, which was originally identified as an antiaging gene, forms a complex with fibroblast growth factor 23 receptor in the kidney, with subsequent signaling that regulates mineral metabolism. Other biological activities of Klotho, including antiaging effects such as protection from various types of cellular stress, have been shown; however, the precise mechanism of these effects of Klotho gene in the healthy human kidney is not well understood. In this study, we examined the relationships of Klotho and antioxidative stress gene expression levels in zero-hour biopsy specimens from 44 donors in kidney transplantation and verified them in animal models whose Klotho gene expression levels were varied. The nitrotyrosine expression level in the kidney was evaluated in these animal models. Expression levels of Klotho gene were positively correlated with the p53 gene and antioxidant enzyme genes such as catalase, superoxide dismutase 1 (SOD1), SOD2, peroxiredoxin 3 (PRDX3), and glutathione peroxidase 1 (GPX1) but not clinical parameters such as age and renal function or pathological features such as glomerulosclerosis and interstitial fibrosis tubular atrophy. The expression levels of all genes were significantly higher in mice with Klotho overexpression than in wild-type mice, and those except for catalase, PRDX3, and GPX1 were significantly lower in Klotho-deficient mice than in wild-type littermate mice. Nitrotyrosine-positive bands of various sizes were observed in kidney from Klotho-deficient mice only. The preservation of Klotho gene expression might induce the antioxidative stress mechanism for homeostasis of healthy human kidney independently of its general condition, including age, renal function, and histological findings.
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Affiliation(s)
- Takaaki Kimura
- Division of Renal Surgery and Transplantation, Department of Urology, Jichi Medical University, Shimotsuke, Tochigi , Japan
| | - Kazuhiro Shiizaki
- Division of Anti-aging Medicine, Center for Molecular Medicine, Jichi Medical University, Shimotsuke, Tochigi , Japan
| | - Tetsu Akimoto
- Division of Nephrology, Department of Internal Medicine, Jichi Medical University, Shimotsuke, Tochigi , Japan
| | - Takahiro Shinzato
- Division of Renal Surgery and Transplantation, Department of Urology, Jichi Medical University, Shimotsuke, Tochigi , Japan
| | - Toshihiro Shimizu
- Division of Renal Surgery and Transplantation, Department of Urology, Jichi Medical University, Shimotsuke, Tochigi , Japan
| | - Akira Kurosawa
- Division of Renal Surgery and Transplantation, Department of Urology, Jichi Medical University, Shimotsuke, Tochigi , Japan
| | - Taro Kubo
- Division of Renal Surgery and Transplantation, Department of Urology, Jichi Medical University, Shimotsuke, Tochigi , Japan
| | - Koji Nanmoku
- Division of Renal Surgery and Transplantation, Department of Urology, Jichi Medical University, Shimotsuke, Tochigi , Japan
| | - Makoto Kuro-O
- Division of Anti-aging Medicine, Center for Molecular Medicine, Jichi Medical University, Shimotsuke, Tochigi , Japan
| | - Takashi Yagisawa
- Division of Renal Surgery and Transplantation, Department of Urology, Jichi Medical University, Shimotsuke, Tochigi , Japan
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49
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Involvement of NF-κBIZ and related cytokines in age-associated renal fibrosis. Oncotarget 2018; 8:7315-7327. [PMID: 28099916 PMCID: PMC5352323 DOI: 10.18632/oncotarget.14614] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2016] [Accepted: 01/04/2017] [Indexed: 12/15/2022] Open
Abstract
Chronic inflammation is a major contributor to age-related nephropathic changes, including renal fibrosis. In this study, various experimental paradigms were designed to delineate the role played by NF-κBIZ (also known as IκBζ) in age-associated renal fibrosis. Analyses based on RNA-sequencing findings obtained by next generation sequencing (NGS) revealed the upregulations of NF-κBIZ and of IL-6 and MCP-1 (both known to be regulated by NF-κBIZ) during aging. The up-regulation of NF-κBIZ in aged rat kidneys coincided with increased macrophage infiltration. In LPS-treated macrophages, oxidative stress was found to play a pivotal role in NF-κBIZ expression, suggesting age-related oxidative stress is associated with NF-κBIZ activation. Furthermore, these in vitro findings were confirmed in LPS-treated old rats, which showed higher levels of oxidative stress and NF-κBIZ in kidneys than LPS-treated young rats. Additional in vitro experiments using macrophages and kidney fibroblasts demonstrated NF-κBIZ and related cytokines participate in fibrosis. In particular, increased levels of NF-κBIZ-associated cytokines in macrophages significantly up-regulated TGF-β induced kidney fibroblast activation. Moreover, experiments with NF-κBIZ knocked down macrophages showed reduced TGF-β-induced kidney fibroblast activation. The findings of the present study provide evidence regarding an involvement of NF-κBIZ in age-associated progressive renal fibrosis and provides potential targets for its prevention.
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50
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Wang J, Wang B, Liang M, Wang G, Li J, Zhang Y, Huo Y, Cui Y, Xu X, Qin X. Independent and combined effect of bilirubin and smoking on the progression of chronic kidney disease. Clin Epidemiol 2018; 10:121-132. [PMID: 29391834 PMCID: PMC5774486 DOI: 10.2147/clep.s150687] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023] Open
Abstract
Objective Whether serum bilirubin and cigarette smoking affect the risk of renal function decline remains inconclusive. We aimed to test the independent and combined effects of bilirubin and cigarette smoking on the progression of chronic kidney disease (CKD) in hypertensive adults. Methods The study population consisted of 12,633 patients in the renal sub-study of the China Stroke Primary Prevention Trial. The primary outcome was progression of CKD, defined as a decrease in estimated glomerular filtration rate (eGFR) of ≥30% and to a level of <60 mL/min/1.73 m2 if baseline eGFR was ≥60 mL/min/1.73 m2, or a decrease in eGFR of ≥50% if baseline eGFR was <60 mL/min/1.73 m2, or end-stage renal disease. The secondary outcomes included 1) rapid decline in renal function and 2) annual rate of eGFR decline. Results The median follow-up duration was 4.4 years. Cigarette smoking had no significant effect on the progression of CKD (odds ratio [OR]: 1.11, 95% confidence interval [95% CI]: 0.78-1.57). However, a significantly lower risk of the primary event (OR: 0.72, 95% CI: 0.55-0.95) was found in participants in tertile 3 compared to those in tertiles 1-2 for total bilirubin (TBiL) levels. More importantly, there was an interaction between TBiL and smoking status on the primary outcome (P for interaction =0.013). Among ever smokers, TBiL levels had no significant effect on the primary outcome. However, among never smokers, higher TBiL levels were significantly associated with a lower risk of the primary outcome (tertile 3 vs 1-2; OR: 0.53, 95% CI: 0.36-0.78). Similar trends were observed for direct bilirubin and secondary outcomes. Conclusion Among hypertensive patients, bilirubin was inversely associated with the progression of CKD in never smokers, but not in ever smokers.
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Affiliation(s)
- Jiancheng Wang
- National Clinical Research Center for Kidney Disease, State Key Laboratory for Organ Failure Research, Renal Division, Nanfang Hospital, Southern Medical University, Guangzhou
| | - Binyan Wang
- National Clinical Research Center for Kidney Disease, State Key Laboratory for Organ Failure Research, Renal Division, Nanfang Hospital, Southern Medical University, Guangzhou.,Institute for Biomedicine, Anhui Medical University, Hefei
| | - Min Liang
- National Clinical Research Center for Kidney Disease, State Key Laboratory for Organ Failure Research, Renal Division, Nanfang Hospital, Southern Medical University, Guangzhou
| | - Guobao Wang
- National Clinical Research Center for Kidney Disease, State Key Laboratory for Organ Failure Research, Renal Division, Nanfang Hospital, Southern Medical University, Guangzhou
| | | | | | | | - Yimin Cui
- Department of Pharmacy, Peking University First Hospital, Beijing
| | - Xiping Xu
- National Clinical Research Center for Kidney Disease, State Key Laboratory for Organ Failure Research, Renal Division, Nanfang Hospital, Southern Medical University, Guangzhou.,Beijing Advanced Innovation Center for Food Nutrition and Human Health, Key Laboratory of Functional Dairy, College of Food Science and Nutritional Engineering, China Agricultural University, Beijing, China
| | - Xianhui Qin
- National Clinical Research Center for Kidney Disease, State Key Laboratory for Organ Failure Research, Renal Division, Nanfang Hospital, Southern Medical University, Guangzhou
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