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Schult L, Halbgebauer R, Karasu E, Huber-Lang M. Glomerular injury after trauma, burn, and sepsis. J Nephrol 2023; 36:2417-2429. [PMID: 37542608 PMCID: PMC10703988 DOI: 10.1007/s40620-023-01718-5] [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: 03/24/2023] [Accepted: 06/23/2023] [Indexed: 08/07/2023]
Abstract
Acute kidney injury development after trauma, burn, or sepsis occurs frequently but remains a scientific and clinical challenge. Whereas the pathophysiological focus has mainly been on hemodynamics and the downstream renal tubular system, little is known about alterations upstream within the glomerulus post trauma or during sepsis. Particularly for the glomerular endothelial cells, mesangial cells, basal membrane, and podocytes, all of which form the glomerular filter, there are numerous in vitro studies on the molecular and functional consequences upon exposure of single cell types to specific damage- or microbial-associated molecular patterns. By contrast, a lack of knowledge exists in the real world regarding the orchestrated inflammatory response of the glomerulus post trauma or burn or during sepsis. Therefore, we aim to provide an overview on the glomerulus as an immune target but also as a perpetrator of the danger response to traumatic and septic conditions, and present major players involved in the context of critical illness. Finally, we highlight research gaps of this rather neglected but worthwhile area to define future molecular targets and therapeutic strategies to prevent or improve the course of AKI after trauma, burn, or sepsis.
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Affiliation(s)
- Lorena Schult
- Institute of Clinical and Experimental Trauma Immunology, University Hospital Ulm, Helmholtzstr. 8/1, 89081, Ulm, Germany
| | - Rebecca Halbgebauer
- Institute of Clinical and Experimental Trauma Immunology, University Hospital Ulm, Helmholtzstr. 8/1, 89081, Ulm, Germany
| | - Ebru Karasu
- Institute of Clinical and Experimental Trauma Immunology, University Hospital Ulm, Helmholtzstr. 8/1, 89081, Ulm, Germany
| | - Markus Huber-Lang
- Institute of Clinical and Experimental Trauma Immunology, University Hospital Ulm, Helmholtzstr. 8/1, 89081, Ulm, Germany.
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Karasawa R, Yudoh K, Sato T, Tanaka M, Sabbagh SE, Flegel WA, Mammen AL, Jarvis JN, Rider LG. Association of anti-TPM4 autoantibodies with vasculopathic cutaneous manifestations in juvenile dermatomyositis. Rheumatology (Oxford) 2023; 62:3757-3762. [PMID: 37144941 PMCID: PMC10629777 DOI: 10.1093/rheumatology/kead203] [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: 01/19/2023] [Revised: 03/29/2023] [Accepted: 04/05/2023] [Indexed: 05/06/2023] Open
Abstract
OBJECTIVES AECAs are detected in multiple forms of vasculitis or vasculopathy, including JDM. High levels of tropomyosin alpha-4 chain (TPM4) gene expression in cutaneous lesions and TPM4 protein expression in some endothelial cells (ECs) have been proven. Furthermore, the presence of autoantibodies to tropomyosin proteins have been discovered in DM. We therefore investigated whether anti-TPM4 autoantibodies are an AECA in JDM and are correlated with clinical features of JDM. METHODS The expression of TPM4 protein in cultured normal human dermal microvascular ECs was investigated by Western blotting. Plasma samples from 63 children with JDM, 50 children with polyarticular JIA (pJIA) and 40 healthy children (HC) were tested for the presence of anti-TPM4 autoantibodies using an ELISA. Clinical features were compared between JDM patients with and without anti-TPM4 autoantibodies. RESULTS Autoantibodies to TPM4 were detected in the plasma of 30% of JDM, 2% of pJIA (P < 0.0001) and 0% of HC (P < 0.0001). In JDM, anti-TPM4 autoantibodies were associated with the presence of cutaneous ulcers (53%; P = 0.02), shawl sign rash (47%; P = 0.03), mucous membrane lesions (84%; P = 0.04) and subcutaneous edema (42%; P < 0.05). Anti-TPM4 autoantibodies significantly correlated with the use of intravenous steroids and IVIG therapy in JDM (both P = 0.01). The total number of medications received was higher in patients with anti-TPM4 autoantibodies (P = 0.02). CONCLUSION Anti-TPM4 autoantibodies are detected frequently in children with JDM and are novel myositis-associated autoantibodies. Their presence correlates with vasculopathic and other cutaneous manifestations of JDM that may be indicative of more refractory disease.
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Affiliation(s)
- Rie Karasawa
- Department of Frontier Medicine, St. Marianna University School of Medicine, Kawasaki, Japan
| | - Kazuo Yudoh
- Department of Frontier Medicine, St. Marianna University School of Medicine, Kawasaki, Japan
| | - Toshiko Sato
- Department of Frontier Medicine, St. Marianna University School of Medicine, Kawasaki, Japan
| | - Megumi Tanaka
- Department of Frontier Medicine, St. Marianna University School of Medicine, Kawasaki, Japan
| | - Sara E Sabbagh
- Muscle Disease Unit, National Institute of Arthritis and Musculoskeletal and Skin Diseases, National Institutes of Health, Bethesda, MD, USA
- Division of Rheumatology, Department of Pediatrics, Medical College of Wisconsin, Milwaukee, WI, USA
| | - Willy A Flegel
- Department of Transfusion Medicine, National Institutes of Health Clinical Center, National Institutes of Health, Bethesda, MD, USA
| | - Andrew L Mammen
- Muscle Disease Unit, National Institute of Arthritis and Musculoskeletal and Skin Diseases, National Institutes of Health, Bethesda, MD, USA
| | - James N Jarvis
- Department of Pediatrics, Jacobs School of Medicine and Biomedical Sciences, University at Buffalo, Buffalo, NY, USA
- Genetics, Genomics, and Bioinformatics Program, Jacobs School of Medicine and Biomedical Sciences, University at Buffalo, Buffalo, NY, USA
| | - Lisa G Rider
- Environmental Autoimmunity Group, Clinical Research Branch, National Institute of Environmental Health Sciences, National Institutes of Health, Bethesda, MD, USA
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Hou Z, Zhang G, Ma Y, Xia P, Shi X, She W, Zhao T, Sun H, Chen Z, Chen L. Development of a multimodal kidney age prediction based on automatic segmentation CT image in patients with normal renal function. Clin Kidney J 2023; 16:2091-2099. [PMID: 37915907 PMCID: PMC10616459 DOI: 10.1093/ckj/sfad167] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2023] [Indexed: 11/03/2023] Open
Abstract
Background For decades, description of renal function has been of interest to clinicians and researchers. Serum creatinine (Scr) and estimated glomerular filtration rate (eGFR) are familiar but also limited in many circumstances. Meanwhile, the physiological volumes of the kidney cortex and medulla are presumed to change with age and have been proven to change with decreasing kidney function. Methods We recruited 182 patients with normal Scr levels between October 2021 and February 2022 in Peking Union Medical College Hospital (PUMCH) with demographic and clinical data. A 3D U-Net architecture is used for both cortex and medullary separation, and volume calculation. In addition, we included patients with the same inclusion criteria but with diabetes (PUMCH-DM test set) and diabetic nephropathy (PUMCH-DN test set) for internal comparison to verify the possible clinical value of "kidney age" (K-AGE). Results The PUMCH training set included 146 participants with a mean age of 47.5 ± 7.4 years and mean Scr 63.5 ± 12.3 μmol/L. The PUMCH test set included 36 participants with a mean age of 47.1 ± 7.9 years and mean Scr 66.9 ± 13.0 μmol/L. The multimodal method predicted K-AGE approximately close to the patient's actual physiological age, with 92% prediction within the 95% confidential interval. The mean absolute error increases with disease progression (PUMCH 5.00, PUMCH-DM 6.99, PUMCH-DN 9.32). Conclusion We established a machine learning model for predicting the K-AGE, which offered the possibility of evaluating the whole kidney health in normal kidney aging and in disease conditions.
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Affiliation(s)
- Zuoxian Hou
- Department of Nephrology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Beijing, China
| | - Gumuyang Zhang
- Department of Radiology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Beijing, China
| | - Yixin Ma
- Department of Nephrology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Beijing, China
| | - Peng Xia
- Department of Nephrology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Beijing, China
| | - Xiaoxiao Shi
- Department of Nephrology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Beijing, China
| | - Wenlong She
- Department of Radiology, Dongzhimen Hospital, Beijing University of Chinese Medicine, Beijing, China
| | - Tianzuo Zhao
- Department of Radiology, Dongzhimen Hospital, Beijing University of Chinese Medicine, Beijing, China
| | - Hao Sun
- Department of Radiology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Beijing, China
| | - Zhengguang Chen
- Department of Radiology, Dongzhimen Hospital, Beijing University of Chinese Medicine, Beijing, China
| | - Limeng Chen
- Department of Nephrology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Beijing, China
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Wu Q, Huang F. LncRNA H19: a novel player in the regulation of diabetic kidney disease. Front Endocrinol (Lausanne) 2023; 14:1238981. [PMID: 37964955 PMCID: PMC10641825 DOI: 10.3389/fendo.2023.1238981] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/12/2023] [Accepted: 10/16/2023] [Indexed: 11/16/2023] Open
Abstract
Diabetic kidney disease (DKD), one of the most severe complications of diabetes mellitus (DM), has received considerable attention owing to its increasing prevalence and contribution to chronic kidney disease (CKD) and end-stage kidney disease (ESRD). However, the use of drugs targeting DKD remains limited. Recent data suggest that long non-coding RNAs (lncRNAs) play a vital role in the development of DKD. The lncRNA H19 is the first imprinted gene, which is expressed in the embryo and down-regulated at birth, and its role in tumors has long been a subject of controversy, however, in recent years, it has received increasing attention in kidney disease. The LncRNA H19 is engaged in the pathological progression of DKD, including glomerulosclerosis and tubulointerstitial fibrosis via the induction of inflammatory responses, apoptosis, ferroptosis, pyroptosis, autophagy, and oxidative damage. In this review, we highlight the most recent research on the molecular mechanism and regulatory forms of lncRNA H19 in DKD, including epigenetic, post-transcriptional, and post-translational regulation, providing a new predictive marker and therapeutic target for the management of DKD.
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Affiliation(s)
| | - Fengjuan Huang
- Department of Endocrinology and Metabolism, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
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Wu J, Liu J, Li G, Sun W, Liu J, Li W, Wang H, Zheng M. Research on the correlation between the renal resistive index, renal microvessel density, and fibrosis. Ren Fail 2023; 45:2273423. [PMID: 37873973 PMCID: PMC11001374 DOI: 10.1080/0886022x.2023.2273423] [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: 06/21/2023] [Accepted: 10/16/2023] [Indexed: 10/25/2023] Open
Abstract
BACKGROUND This study was designed to investigate the relationship between the renal resistive index (RRI), renal microvessel density (RMD), and fibrosis in patients with chronic kidney disease (CKD). METHODS A total of 73 CKD patients were included in the study. Prior to kidney biopsy, we recorded the RRI of the interlobar artery and the estimated glomerular filtration rate (eGFR). Immunohistochemical analysis was performed to assess CD34 expression, and Masson staining was used to evaluate histopathological specimens for RMD and the degree of fibrosis. The percentage of the positive area (PPA) was recorded. Subsequently, we investigated the correlation between RRI, RMD, and kidney fibrosis. RESULTS RMD (CD34 PPA-total and CD34 PPA-peritubular capillary) showed a slight increase in early CKD stages (1-2) and gradually declined from CKD stages 2 to 5. No correlation was observed between the RRI and RMD or between the RRI and fibrosis across CKD stages 1 to 5. However, across CKD stages 2 to 5, RRI negatively correlated with CD34 PPA-glomerulus (r = -0.353, p = 0.022), but no correlation was found with CD34 PPA-total, CD34 PPA-peritubular capillary, or kidney fibrosis. eGFR showed a positive correlation with RMD (CD34 PPA-total, CD34 PPA-peritubular capillary, and CD34 PPA-glomerulus) across CKD stages 2 to 5, while no correlation was found from CKD stages 1 to 5. CONCLUSION There was no correlation between RRI and RMD or between RRI and fibrosis across CKD stages 1 to 5 (RRI ≤ 0.7).
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Affiliation(s)
- Jingping Wu
- Department of Ultrasound Medicine, China-Japan Friendship Hospital, Beijing, China
| | - Jian Liu
- Department of Ultrasound Medicine, China-Japan Friendship Hospital, Beijing, China
| | - Guanghan Li
- Department of Ultrasound Medicine, China-Japan Friendship Hospital, Beijing, China
| | - Weiliang Sun
- Institute of Clinical Medical Sciences, China-Japan Friendship Hospital, Beijing, China
| | - Jiang Liu
- China-Japan Friendship School of Clinical Medicine, Peking University, Beijing, China
| | - Wenge Li
- Department of Nephrology, China-Japan Friendship Hospital, Beijing, China
| | - Hao Wang
- Department of Radiation Oncology, China-Japan Friendship Hospital, Beijing, China
| | - Min Zheng
- Department of Ultrasound Medicine, China-Japan Friendship Hospital, Beijing, China
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Wang Q, Fan X, Sheng Q, Yang M, Zhou P, Lu S, Gao Y, Kong Z, Shen N, Lv Z, Wang R. N6-methyladenosine methylation in kidney injury. Clin Epigenetics 2023; 15:170. [PMID: 37865763 PMCID: PMC10590532 DOI: 10.1186/s13148-023-01586-7] [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: 09/01/2023] [Accepted: 10/11/2023] [Indexed: 10/23/2023] Open
Abstract
Multiple mechanisms are involved in kidney damage, among which the role of epigenetic modifications in the occurrence and development of kidney diseases is constantly being revealed. However, N6-methyladenosine (M6A), a well-known post-transcriptional modification, has been regarded as the most prevalent epigenetic modifications in higher eukaryotic, which is involved in various biological processes of cells such as maintaining the stability of mRNA. The role of M6A modification in the mechanism of kidney damage has attracted widespread attention. In this review, we mainly summarize the role of M6A modification in the progression of kidney diseases from the following aspects: the regulatory pattern of N6-methyladenosine, the critical roles of N6-methyladenosine in chronic kidney disease, acute kidney injury and renal cell carcinoma, and then reveal its potential significance in the diagnosis and treatment of various kidney diseases. A better understanding of this field will be helpful for future research and clinical treatment of kidney diseases.
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Affiliation(s)
- Qimeng Wang
- Department of Nephrology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, 250021, Shandong, China
- Department of Nephrology, Shandong Provincial Hospital, Shandong University, Jinan, 250021, Shandong, China
| | - Xiaoting Fan
- Department of Nephrology, Shandong Provincial Hospital, Shandong University, Jinan, 250021, Shandong, China
| | - Qinghao Sheng
- Department of Nephrology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, 250021, Shandong, China
| | - Meilin Yang
- Department of Nephrology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, 250021, Shandong, China
| | - Ping Zhou
- Department of Nephrology, Shandong Provincial Hospital, Shandong University, Jinan, 250021, Shandong, China
| | - Shangwei Lu
- Department of Nephrology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, 250021, Shandong, China
| | - Ying Gao
- Department of Nephrology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, 250021, Shandong, China
| | - Zhijuan Kong
- Department of Nephrology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, 250021, Shandong, China
| | - Ning Shen
- Department of Nephrology, Shandong Provincial Hospital, Shandong University, Jinan, 250021, Shandong, China
| | - Zhimei Lv
- Department of Nephrology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, 250021, Shandong, China.
- Department of Nephrology, Shandong Provincial Hospital, Shandong University, Jinan, 250021, Shandong, China.
| | - Rong Wang
- Department of Nephrology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, 250021, Shandong, China.
- Department of Nephrology, Shandong Provincial Hospital, Shandong University, Jinan, 250021, Shandong, China.
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Hasan M, Al-Thani H, El-Menyar A, Zeidan A, Al-Thani A, Yalcin HC. Disturbed hemodynamics and oxidative stress interaction in endothelial dysfunction and AAA progression: Focus on Nrf2 pathway. Int J Cardiol 2023; 389:131238. [PMID: 37536420 DOI: 10.1016/j.ijcard.2023.131238] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/03/2023] [Revised: 04/30/2023] [Accepted: 07/31/2023] [Indexed: 08/05/2023]
Abstract
Hemodynamic shear stress is one of the major factors that are involved in the pathogenesis of many cardiovascular diseases including atherosclerosis and abdominal aortic aneurysm (AAA), through its modulatory effect on the endothelial cell's redox homeostasis and mechanosensitive gene expression. Among important mechanisms, oxidative stress, endoplasmic reticulum stress activation, and the subsequent endothelial dysfunction are attributed to disturbed blood flow and low shear stress in the vascular curvature and bifurcations which are considered atheroprone regions and aneurysm occurrence spots. Many pathways were shown to be involved in AAA progression. Of particular interest from recent findings is, the (Nrf2)/Keap-1 pathway, where Nrf2 is a transcription factor that has antioxidant properties and is strongly associated with several CVDs, yet, the exact mechanism by which Nrf2 alleviates CVDs still to be elucidated. Nrf2 expression is closely affected by shear stress and was shown to participate in AAA. In the current review paper, we discussed the link between disturbed hemodynamics and its effect on Nrf2 as a mechanosensitive gene and its role in the development of endothelial dysfunction which is linked to the progression of AAA.
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Affiliation(s)
- Maram Hasan
- Biomedical Research Center, Qatar University, P.O. Box 2713, Doha, Qatar
| | - Hassan Al-Thani
- Department of Surgery, Trauma and Vascular Surgery, Hamad General Hospital, Hamad Medical Corporation, P.O. Box 3050, Doha, Qatar
| | - Ayman El-Menyar
- Department of Surgery, Trauma and Vascular Surgery, Hamad General Hospital, Hamad Medical Corporation, P.O. Box 3050, Doha, Qatar; Clinical Medicine, Weill Cornell Medical College, Doha, Qatar
| | - Asad Zeidan
- Department of Basic Sciences, College of Medicine, QU health, Qatar University, P.O. Box 2713, Doha, Qatar
| | - Asmaa Al-Thani
- Biomedical Research Center, Qatar University, P.O. Box 2713, Doha, Qatar; Department of Biomedical Science, College of Health Sciences, QU Health, Qatar University, P.O. Box 2713, Doha, Qatar
| | - Huseyin C Yalcin
- Biomedical Research Center, Qatar University, P.O. Box 2713, Doha, Qatar.
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Pezzotta A, Perico L, Corna D, Morigi M, Remuzzi G, Benigni A, Imberti B. Sirt3 deficiency promotes endothelial dysfunction and aggravates renal injury. PLoS One 2023; 18:e0291909. [PMID: 37816025 PMCID: PMC10564163 DOI: 10.1371/journal.pone.0291909] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2023] [Accepted: 09/07/2023] [Indexed: 10/12/2023] Open
Abstract
Sirtuin 3 (SIRT3), the main deacetylase of mitochondria, modulates the acetylation levels of substrates governing metabolism and oxidative stress. In the kidney, we showed that SIRT3 affects the proper functioning of high energy-demanding cells, such as tubular cells and podocytes. Less is known about the role of SIRT3 in regulating endothelial cell function and its impact on the progression of kidney disease. Here, we found that whole body Sirt3-deficient mice exhibited reduced renal capillary density, reflecting endothelial dysfunction, and VEGFA expression compared to wild-type mice. This was paralleled by activation of hypoxia signaling, upregulation of HIF-1α and Angiopietin-2, and oxidative stress increase. These alterations did not result in kidney disease. However, when Sirt3-deficient mice were exposed to the nephrotoxic stimulus Adriamycin (ADR) they developed aggravated endothelial rarefaction, altered VEGFA signaling, and higher oxidative stress compared to wild-type mice receiving ADR. As a result, ADR-treated Sirt3-deficient mice experienced a more severe injury with exacerbated albuminuria, podocyte loss and fibrotic lesions. These data suggest that SIRT3 is a crucial regulator of renal vascular homeostasis and its dysregulation is a predisposing factor for kidney disease. By extension, our findings indicate SIRT3 as a pharmacologic target in progressive renal disease whose treatments are still imperfect.
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Affiliation(s)
- Anna Pezzotta
- Istituto di Ricerche Farmacologiche Mario Negri IRCCS, Bergamo, Italy
| | - Luca Perico
- Istituto di Ricerche Farmacologiche Mario Negri IRCCS, Bergamo, Italy
| | - Daniela Corna
- Istituto di Ricerche Farmacologiche Mario Negri IRCCS, Bergamo, Italy
| | - Marina Morigi
- Istituto di Ricerche Farmacologiche Mario Negri IRCCS, Bergamo, Italy
| | - Giuseppe Remuzzi
- Istituto di Ricerche Farmacologiche Mario Negri IRCCS, Bergamo, Italy
| | - Ariela Benigni
- Istituto di Ricerche Farmacologiche Mario Negri IRCCS, Bergamo, Italy
| | - Barbara Imberti
- Istituto di Ricerche Farmacologiche Mario Negri IRCCS, Bergamo, Italy
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Amruta A, Iannotta D, Cheetham SW, Lammers T, Wolfram J. Vasculature organotropism in drug delivery. Adv Drug Deliv Rev 2023; 201:115054. [PMID: 37591370 PMCID: PMC10693934 DOI: 10.1016/j.addr.2023.115054] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2023] [Revised: 07/22/2023] [Accepted: 08/13/2023] [Indexed: 08/19/2023]
Abstract
Over the past decades, there has been an exponential increase in the development of preclinical and clinical nanodelivery systems, and recently, an accelerating demand to deliver RNA and protein-based therapeutics. Organ-specific vasculature provides a promising intermediary for site-specific delivery of nanoparticles and extracellular vesicles to interstitial cells. Endothelial cells express organ-specific surface marker repertoires that can be used for targeted delivery. This article highlights organ-specific vasculature properties, nanodelivery strategies that exploit vasculature organotropism, and overlooked challenges and opportunities in targeting and simultaneously overcoming the endothelial barrier. Impediments in the clinical translation of vasculature organotropism in drug delivery are also discussed.
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Affiliation(s)
- A Amruta
- School of Chemical Engineering, The University of Queensland, Brisbane, QLD 4072, Australia
| | - Dalila Iannotta
- School of Chemical Engineering, The University of Queensland, Brisbane, QLD 4072, Australia
| | - Seth W Cheetham
- Australian Institute for Bioengineering and Nanotechnology, The University of Queensland, Brisbane, QLD 4072, Australia
| | - Twan Lammers
- Department of Nanomedicine and Theranostics, Institute for Experimental Molecular Imaging, RWTH Aachen University Hospital, 52074 Aachen, Germany; Helmholtz-Institute for Biomedical Engineering, Medical Faculty of RWTH Aachen University, 52074 Aachen, Germany; Center for Integrated Oncology Aachen Bonn Cologne Düsseldorf (CIO-ABCD), 52074 Aachen, Germany
| | - Joy Wolfram
- School of Chemical Engineering, The University of Queensland, Brisbane, QLD 4072, Australia; Australian Institute for Bioengineering and Nanotechnology, The University of Queensland, Brisbane, QLD 4072, Australia; Department of Nanomedicine, Houston Methodist Research Institute, Houston, TX 77030, USA.
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Gomchok D, Ge RL, Wuren T. Platelets in Renal Disease. Int J Mol Sci 2023; 24:14724. [PMID: 37834171 PMCID: PMC10572297 DOI: 10.3390/ijms241914724] [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: 08/31/2023] [Revised: 09/18/2023] [Accepted: 09/26/2023] [Indexed: 10/15/2023] Open
Abstract
Kidney disease is a major global health concern, affecting millions of people. Nephrologists have shown interest in platelets because of coagulation disorders caused by renal diseases. With a better understanding of platelets, it has been found that these anucleate and abundant blood cells not only play a role in hemostasis, but also have important functions in inflammation and immunity. Platelets are not only affected by kidney disease, but may also contribute to kidney disease progression by mediating inflammation and immune effects. This review summarizes the current evidence regarding platelet abnormalities in renal disease, and the multiple effects of platelets on kidney disease progression. The relationship between platelets and kidney disease is still being explored, and further research can provide mechanistic insights into the relationship between thrombosis, bleeding, and inflammation related to kidney disease, and elucidate targeted therapies for patients with kidney disease.
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Affiliation(s)
- Drolma Gomchok
- Research Center for High Altitude Medicine, School of Medicine, Qinghai University, Xining 810001, China; (D.G.); (R.-L.G.)
| | - Ri-Li Ge
- Research Center for High Altitude Medicine, School of Medicine, Qinghai University, Xining 810001, China; (D.G.); (R.-L.G.)
- Key Laboratory for Application for High Altitude Medicine, Qinghai University, Xining 810001, China
| | - Tana Wuren
- Research Center for High Altitude Medicine, School of Medicine, Qinghai University, Xining 810001, China; (D.G.); (R.-L.G.)
- Key Laboratory for Application for High Altitude Medicine, Qinghai University, Xining 810001, China
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Chyła-Danił G, Sałaga-Zaleska K, Kreft E, Stumski O, Krzesińska A, Sakowicz-Burkiewicz M, Kuchta A, Jankowski M. Long-Term Effects of Suramin on Renal Function in Streptozotocin-Induced Diabetes in Rats. Int J Mol Sci 2023; 24:14671. [PMID: 37834118 PMCID: PMC10572378 DOI: 10.3390/ijms241914671] [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: 08/30/2023] [Revised: 09/24/2023] [Accepted: 09/26/2023] [Indexed: 10/15/2023] Open
Abstract
In short-term diabetes (3 weeks), suramin, a drug used clinically, affects renal function and the expression of vascular endothelial growth factor A (VEGF-A), which may be involved in the pathogenesis of diabetic nephropathy, the main cause of end-stage renal disease. In the present study, we evaluated the long-term (11 weeks) effects of suramin (10 mg/kg, i.p., once-weekly) in diabetic rats. Concentrations of VEGF-A, albumin, soluble adhesive molecules (sICAM-1, sVCAM-1), nucleosomes, and thrombin-antithrombin complex (TAT) were measured by ELISA, total protein was measured using a biuret reagent. Glomerular expression of VEGF-A was evaluated by Western blot, mRNA for VEGF-A receptors in the renal cortex by RT-PCR. The vasoreactivity of the interlobar arteries to acetylcholine was assessed by wire myography. Long-term diabetes led to an increased concentration of VEGF-A, TAT, and urinary excretion of total protein and albumin, and a decrease in the concentration of sVCAM-1. We have shown that suramin in diabetes reduces total urinary protein excretion and restores the relaxing properties of acetylcholine relaxation properties to non-diabetic levels. Suramin had no effect on glomerular expression VEGF-A expression and specific receptors, and on sICAM-1 and nucleosomes concentrations in diabetic rats. In conclusion, the long-term effect of suramin on the kidneys in diabetes, expressed in the reduction of proteinuria and the restoration of endothelium-dependent relaxation of the renal arteries, can be considered as potentially contributing to the reduction/slowing down of the development of diabetic nephropathy.
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Affiliation(s)
- Gabriela Chyła-Danił
- Department of Clinical Chemistry, Medical University of Gdańsk, Dębinki 7, 80-210 Gdańsk, Poland; (G.C.-D.)
| | - Kornelia Sałaga-Zaleska
- Department of Clinical Chemistry, Medical University of Gdańsk, Dębinki 7, 80-210 Gdańsk, Poland; (G.C.-D.)
| | - Ewelina Kreft
- Department of Clinical Chemistry, Medical University of Gdańsk, Dębinki 7, 80-210 Gdańsk, Poland; (G.C.-D.)
| | - Olaf Stumski
- Department of Clinical Chemistry, Medical University of Gdańsk, Dębinki 7, 80-210 Gdańsk, Poland; (G.C.-D.)
| | - Aleksandra Krzesińska
- Department of Clinical Chemistry, Medical University of Gdańsk, Dębinki 7, 80-210 Gdańsk, Poland; (G.C.-D.)
| | | | - Agnieszka Kuchta
- Department of Clinical Chemistry, Medical University of Gdańsk, Dębinki 7, 80-210 Gdańsk, Poland; (G.C.-D.)
| | - Maciej Jankowski
- Department of Clinical Chemistry, Medical University of Gdańsk, Dębinki 7, 80-210 Gdańsk, Poland; (G.C.-D.)
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Huangfu Y, Wang J, Feng J, Zhang ZL. Distal renal tubular system-on-a-chip for studying the pathogenesis of influenza A virus-induced kidney injury. LAB ON A CHIP 2023; 23:4255-4264. [PMID: 37674367 DOI: 10.1039/d3lc00616f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/08/2023]
Abstract
Influenza A viruses typically cause acute respiratory infections in humans. However, virus-induced acute kidney injury (AKI) has dramatically increased mortality. The pathogenesis remains poorly understood due to limited disease models. Here, a distal renal tubular system-on-a-chip (dRTSC) was constructed to explore the pathogenesis. The renal tubule-vascular reabsorption interface was recapitulated by co-culturing the distal renal tubule and peritubular vessel with a collagen-coated porous membrane. To study the pathways of influenza virus entry into the kidney, dynamic tracking of fluorescence-labeled virus-infected blood vessels was performed. For the first time, the virus was shown to enter the kidney rapidly by cell-free transmission without disrupting the vascular barrier. Direct virus infection of renal tubules in dRTSC reveals disruption of tight junctions, microvilli formation, polar distribution of ion transporters, and sodium reabsorption function. This robust platform allows for a straightforward investigation of virus-induced AKI pathogenesis. The combination with single-virus tracking technology provides new insights into understanding influenza virus-induced extra-respiratory disease.
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Affiliation(s)
- Yueyue Huangfu
- College of Chemistry and Molecular Sciences, Wuhan University, Wuhan, 430072, P.R. China.
| | - Ji Wang
- College of Chemistry and Molecular Sciences, Wuhan University, Wuhan, 430072, P.R. China.
| | - Jiao Feng
- College of Chemistry and Molecular Sciences, Wuhan University, Wuhan, 430072, P.R. China.
| | - Zhi-Ling Zhang
- College of Chemistry and Molecular Sciences, Wuhan University, Wuhan, 430072, P.R. China.
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Sun S, Zhang C, Zhang Q, Li C, Huang D, Ding R, Cao J, Hao J. Role of ROS-mediated PERK/ATF4 signaling activation in extracorporeal tube formation injury of human umbilical vein endothelial cells induced by cooking oil fume PM 2.5 exposure. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2023; 263:115332. [PMID: 37611476 DOI: 10.1016/j.ecoenv.2023.115332] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/06/2023] [Revised: 07/25/2023] [Accepted: 08/03/2023] [Indexed: 08/25/2023]
Abstract
Cooking oil fume-derived PM2.5 (COF-PM2.5) is a major source of indoor air contamination in China, which has been demonstrated to be a hazard factor of cardiovascular and cerebrovascular diseases. This study aimed to investigate the role of ROS-mediated PERK/ATF4 signaling activation in COF-PM2.5-inhibited extracorporeal tube formation in human umbilical vein endothelial cells (HUVECs). HUVECs were treated with 100 μg/mL COF-PM2.5 at different times, with or without 100 nM PERK activity inhibitor GSK2606414 (GSK) or 200 μM antioxidant N-acetylcysteine (NAC) pretreatment. Our results showed that COF-PM2.5 exposure can inhibit extracorporeal tube formation and down-regulate VEGFR2 expression in HUVECs. Furthermore, our data indicated that COF-PM2.5 exposure can activate the PERK/ATF4 signaling in HUVECs. Mechanistically, pretreatment with GSK interdicted PERK/ATF4 signaling, thereby reversing COF-PM2.5-downregulated VEGFR2 protein expression in HUVECs. Furthermore, NAC reversed VEGFR2 expression downregulated induced by COF-PM2.5 by inhibiting the upregulation of intracellular ROS levels and PERK/ATF4 signaling in HUVECs. As above, COF-PM2.5 exposure could induce ROS release from HUVECs, which in turn activate the endoplasmic reticulum PERK/ATF4 signaling and inhibit tube formation of HUVECs.
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Affiliation(s)
- Shu Sun
- Department of Maternal, Child and Adolescent Health, School of Public Health, Anhui Medical University, No 81 Meishan Road, Hefei 230032, Anhui, China
| | - Chao Zhang
- Teaching Center for Preventive Medicine, School of Public Health, Anhui Medical University, No 81 Meishan Road, Hefei 230032, Anhui, China
| | - Qi Zhang
- Hefei Institutes of Physical Science Chinese Academy of Sciences, No 350 Shushanhu Road, Hefei 230001, Anhui, China
| | - Changlian Li
- Department of Environmental Health, Hefei Center for Disease Control and Prevention, No 86 Lu'an Road, Hefei 230061, Anhui, China
| | - Dan Huang
- Department of Maternal, Child and Adolescent Health, School of Public Health, Anhui Medical University, No 81 Meishan Road, Hefei 230032, Anhui, China
| | - Rui Ding
- Department of Occupational Health and Environmental Health, School of Public Health, Anhui Medical University, No 81 Meishan Road, Hefei, Anhui, 230032, China
| | - Jiyu Cao
- Teaching Center for Preventive Medicine, School of Public Health, Anhui Medical University, No 81 Meishan Road, Hefei 230032, Anhui, China.
| | - Jiahu Hao
- Department of Maternal, Child and Adolescent Health, School of Public Health, Anhui Medical University, No 81 Meishan Road, Hefei 230032, Anhui, China.
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Guo W, Li H, Li Y, Kong W. Renal intrinsic cells remodeling in diabetic kidney disease and the regulatory effects of SGLT2 Inhibitors. Biomed Pharmacother 2023; 165:115025. [PMID: 37385209 DOI: 10.1016/j.biopha.2023.115025] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2023] [Revised: 06/11/2023] [Accepted: 06/14/2023] [Indexed: 07/01/2023] Open
Abstract
Diabetic kidney disease (DKD) is a prevalent complication of diabetes and a major secondary factor leading to end-stage renal disease. The kidney, a vital organ, is composed of a heterogeneous group of intrinsic cells, including glomerular endothelial cells, podocytes, mesangial cells, tubular epithelial cells, and interstitial fibroblasts. In the context of DKD, hyperglycemia elicits direct or indirect injury to these intrinsic cells, leading to their structural and functional changes, such as cell proliferation, apoptosis, and transdifferentiation. The dynamic remodeling of intrinsic cells represents an adaptive response to stimulus during the pathogenesis of diabetic kidney disease. However, the persistent stimulus may trigger an irreversible remodeling, leading to fibrosis and functional deterioration of the kidney. Sodium-glucose cotransporter 2 (SGLT2) inhibitors, a new class of hypoglycemic drugs, exhibit efficacy in reducing blood glucose levels by curtailing renal tubular glucose reabsorption. Furthermore, SGLT2 inhibitors have been shown to modulate intrinsic cell remodeling in the kidney, ameliorate kidney structure and function, and decelerate DKD progression. This review will elaborate on the intrinsic cell remodeling in DKD and the underlying mechanism of SGLT2 inhibitors in modulating it from the perspective of the renal intrinsic cell, providing insights into the pathogenesis of DKD and the renal protective action of SGLT2 inhibitors.
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Affiliation(s)
- Wenwen Guo
- Department of Endocrinology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430022, China; Diabetes and Metabolic Disease Clinical Research Center of Hubei Province, Wuhan, Hubei 430022, China; Hubei Key Laboratory of Metabolic Abnormalities and Vascular Aging, Wuhan, Hubei 430022, China; Hubei Branch of National Center for Clinical Medical Research of Metabolic Diseases, Wuhan, Hubei 430022, China
| | - Han Li
- Department of Endocrinology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430022, China; Diabetes and Metabolic Disease Clinical Research Center of Hubei Province, Wuhan, Hubei 430022, China; Hubei Key Laboratory of Metabolic Abnormalities and Vascular Aging, Wuhan, Hubei 430022, China; Hubei Branch of National Center for Clinical Medical Research of Metabolic Diseases, Wuhan, Hubei 430022, China
| | - Yixuan Li
- Department of Endocrinology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430022, China; Diabetes and Metabolic Disease Clinical Research Center of Hubei Province, Wuhan, Hubei 430022, China; Hubei Key Laboratory of Metabolic Abnormalities and Vascular Aging, Wuhan, Hubei 430022, China; Hubei Branch of National Center for Clinical Medical Research of Metabolic Diseases, Wuhan, Hubei 430022, China
| | - Wen Kong
- Department of Endocrinology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430022, China; Diabetes and Metabolic Disease Clinical Research Center of Hubei Province, Wuhan, Hubei 430022, China; Hubei Key Laboratory of Metabolic Abnormalities and Vascular Aging, Wuhan, Hubei 430022, China; Hubei Branch of National Center for Clinical Medical Research of Metabolic Diseases, Wuhan, Hubei 430022, China.
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65
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Li Z, Fan X, Fan J, Zhang W, Liu J, Liu B, Zhang H. Delivering drugs to tubular cells and organelles: the application of nanodrugs in acute kidney injury. Nanomedicine (Lond) 2023; 18:1477-1493. [PMID: 37721160 DOI: 10.2217/nnm-2023-0200] [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] [Indexed: 09/19/2023] Open
Abstract
Acute kidney injury (AKI) is a common clinical syndrome with limited treatment options and high mortality rates. Proximal tubular epithelial cells (PTECs) play a key role in AKI progression. Subcellular dysfunctions, including mitochondrial, nuclear, endoplasmic reticulum and lysosomal dysfunctions, are extensively studied in PTECs. These studies have led to the development of potential therapeutic drugs. However, clinical development of those drugs faces challenges such as low solubility, short circulation time and severe systemic side effects. Nanotechnology provides a promising solution by improving drug properties through nanocrystallization and enabling targeted delivery to specific sites. This review summarizes advancements and limitations of nanoparticle-based drug-delivery systems in targeting PTECs and subcellular organelles, particularly mitochondria, for AKI treatment.
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Affiliation(s)
- Zhi Li
- Department of Nephrology, The Third Xiangya Hospital, Central South University, Changsha, 410013, China
- The Critical Kidney Disease Research Center of Central South University, Changsha, 410013, China
| | - Xiao Fan
- Department of Nephrology, The Third Xiangya Hospital, Central South University, Changsha, 410013, China
- The Critical Kidney Disease Research Center of Central South University, Changsha, 410013, China
| | - Jialong Fan
- College of Biology, Hunan University, Changsha, 410082, China
| | - Wei Zhang
- Department of Nephrology, The Third Xiangya Hospital, Central South University, Changsha, 410013, China
- The Critical Kidney Disease Research Center of Central South University, Changsha, 410013, China
| | - Jun Liu
- Department of Nephrology, The Third Xiangya Hospital, Central South University, Changsha, 410013, China
- The Critical Kidney Disease Research Center of Central South University, Changsha, 410013, China
| | - Bin Liu
- College of Biology, Hunan University, Changsha, 410082, China
- Department of Physiology & Pathophysiology, NHC Key Laboratory of Metabolic Cardiovascular Diseases Research, School of Basic Medical Sciences, Ningxia Medical University, Yinchuan, 750004, China
| | - Hao Zhang
- Department of Nephrology, The Third Xiangya Hospital, Central South University, Changsha, 410013, China
- The Critical Kidney Disease Research Center of Central South University, Changsha, 410013, China
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Arakelian L, Lion J, Churlaud G, Bargui R, Thierry B, Mutabazi E, Bruneval P, Alberdi AJ, Doliger C, Veyssiere M, Larghero J, Mooney N. Endothelial CD34 expression and regulation of immune cell response in-vitro. Sci Rep 2023; 13:13512. [PMID: 37598252 PMCID: PMC10439936 DOI: 10.1038/s41598-023-40622-7] [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: 04/24/2023] [Accepted: 08/14/2023] [Indexed: 08/21/2023] Open
Abstract
Endothelial cells cover the lining of different blood vessels and lymph nodes, and have major functions including the transport of blood, vessel homeostasis, inflammatory responses, control of transendothelial migration of circulating cells into the tissues, and formation of new blood vessels. Therefore, understanding these cells is of major interest. The morphological features, phenotype and function of endothelial cells varies according to the vascular bed examined. The sialomucin, CD34, is widely used as an endothelial marker. However, CD34 is differentially expressed on endothelial cells in different organs and in pathological conditions. Little is known about regulation of endothelial CD34 expression or function. Expression of CD34 is also strongly regulated in-vitro in endothelial cell models, including human umbilical vein endothelial cells (HUVEC) and endothelial colony forming cells (ECFC). We have therefore analysed the expression and function of CD34 by comparing CD34high and CD34low endothelial cell subpopulations. Transcriptomic analysis showed that CD34 gene and protein expressions are highly correlated, that CD34high cells proliferate less but express higher levels of IL-33 and Angiopoietin 2, compared with CD34low cells. Higher secretion levels of IL-33 and Angiopoietin 2 by CD34high HUVECs was confirmed by ELISA. Finally, when endothelial cells were allowed to interact with peripheral blood mononuclear cells, CD34high endothelial cells activated stronger proliferation of regulatory T lymphocytes (Tregs) compared to CD34low cells whereas expansion of other CD4+-T cell subsets was equivalent. These results suggest that CD34 expression by endothelial cells in-vitro associates with their ability to proliferate and with an immunogenic ability that favours the tolerogenic response.
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Affiliation(s)
- Lousineh Arakelian
- Human Immunology, Pathophysiology, Immunotherapy, Inserm UMR 976, Paris, France.
- Université Paris Cité, Paris, France.
- CIC de Biothérapies CBT 501, Paris, France.
- Unité de Thérapie Cellulaire, AP-HP, Hôpital Saint-Louis, Paris, France.
| | - Julien Lion
- Human Immunology, Pathophysiology, Immunotherapy, Inserm UMR 976, Paris, France
- Université Paris Cité, Paris, France
| | - Guillaume Churlaud
- AP-HP, Hôpital Saint-Louis, Centre MEARY de Thérapie Cellulaire et Génique, 75010, Paris, France
| | - Rezlene Bargui
- Human Immunology, Pathophysiology, Immunotherapy, Inserm UMR 976, Paris, France
- Université Paris Cité, Paris, France
| | - Briac Thierry
- Human Immunology, Pathophysiology, Immunotherapy, Inserm UMR 976, Paris, France
- Université Paris Cité, Paris, France
- Service d'ORL Pédiatrique, AP-HP, Hôpital Universitaire Necker, 75015, Paris, France
| | - Evelyne Mutabazi
- Human Immunology, Pathophysiology, Immunotherapy, Inserm UMR 976, Paris, France
- Université Paris Cité, Paris, France
| | - Patrick Bruneval
- Service de Cardiologie, Hôpital Européen Georges Pompidou, 75015, Paris, France
| | - Antonio José Alberdi
- UMS Saint-Louis US53/UAR2030, Université Paris Cité - INSERM - CNRS, Institut de Recherche Saint Louis, Paris, France
| | - Christelle Doliger
- UMS Saint-Louis US53/UAR2030, Université Paris Cité - INSERM - CNRS, Institut de Recherche Saint Louis, Paris, France
| | - Maëva Veyssiere
- Human Immunology, Pathophysiology, Immunotherapy, Inserm UMR 976, Paris, France
- Université Paris Cité, Paris, France
| | - Jérôme Larghero
- Human Immunology, Pathophysiology, Immunotherapy, Inserm UMR 976, Paris, France
- Université Paris Cité, Paris, France
- CIC de Biothérapies CBT 501, Paris, France
- Unité de Thérapie Cellulaire, AP-HP, Hôpital Saint-Louis, Paris, France
- AP-HP, Hôpital Saint-Louis, Centre MEARY de Thérapie Cellulaire et Génique, 75010, Paris, France
| | - Nuala Mooney
- Human Immunology, Pathophysiology, Immunotherapy, Inserm UMR 976, Paris, France
- Université Paris Cité, Paris, France
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Dennis MR, Pires PW, Banek CT. Vascular Dysfunction in Polycystic Kidney Disease: A Mini-Review. J Vasc Res 2023; 60:125-136. [PMID: 37536302 PMCID: PMC10947982 DOI: 10.1159/000531647] [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: 01/19/2023] [Accepted: 06/10/2023] [Indexed: 08/05/2023] Open
Abstract
Polycystic kidney disease (PKD) is one of the most common hereditary kidney diseases, which is characterized by progressive cyst growth and secondary hypertension. In addition to cystogenesis and renal abnormalities, patients with PKD can develop vascular abnormalities and cardiovascular complications. Progressive cyst growth substantially alters renal structure and culminates into end-stage renal disease. There remains no cure beyond renal transplantation, and treatment options remain largely limited to chronic renal replacement therapy. In addition to end-stage renal disease, patients with PKD also present with hypertension and cardiovascular disease, yet the timing and interactions between the cardiovascular and renal effects of PKD progression are understudied. Here, we review the vascular dysfunction found in clinical and preclinical models of PKD, including the clinical manifestations and relationship to hypertension, stroke, and related cardiovascular diseases. Finally, our discussion also highlights the critical questions and emerging areas in vascular research in PKD.
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Affiliation(s)
- Melissa R Dennis
- Department of Physiology, University of Arizona Health Sciences Center, Tucson, Arizona, USA
| | - Paulo W Pires
- Department of Physiology, University of Arizona Health Sciences Center, Tucson, Arizona, USA
| | - Christopher T Banek
- Department of Physiology, University of Arizona Health Sciences Center, Tucson, Arizona, USA
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68
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Valera G, Figuer A, Caro J, Yuste C, Morales E, Ceprián N, Bodega G, Ramírez R, Alique M, Carracedo J. Plasma glycocalyx pattern: a mirror of endothelial damage in chronic kidney disease. Clin Kidney J 2023; 16:1278-1287. [PMID: 37529650 PMCID: PMC10387401 DOI: 10.1093/ckj/sfad051] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2022] [Indexed: 08/03/2023] Open
Abstract
Background Endothelial damage and cardiovascular disease complicate chronic kidney disease (CKD). The increased atherogenicity observed in patients with CKD can be linked to microinflammation and endothelial damage. Circulating endothelial glycocalyx degradation products, such as perlecan and decorin, tend to be elevated in CKD. We aimed to explore the association between the plasma perlecan and decorin levels and this pro-inflammatory and atherogenic state by studying monocyte subpopulations and intracellular adhesion molecule (ICAM)-1 expression in patients with CKD. Methods We studied 17 healthy controls, 23 patients with advanced CKD, 25 patients on haemodialysis, 23 patients on peritoneal dialysis and 20 patients who underwent kidney transplantation. Perlecan and decorin levels were evaluated using enzyme-linked immunosorbent assays, and the monocyte phenotype was analysed using direct immunofluorescence and flow cytometry. Results The plasma perlecan levels were higher in patients with CKD than in the healthy controls. These levels were associated with a higher prevalence of ICAM-1+ monocytes. Conversely, patients with advanced CKD (pre-dialysis) had higher plasma decorin levels, which were associated with a reduced ICAM-1 expression per monocyte. Conclusions Elevated perlecan levels in CKD may be associated with a higher prevalence of ICAM-1+ monocytes and a pro-inflammatory phenotype. Elevated decorin levels may act as a negative regulator of ICAM-1 expression in monocytes. Therefore, perlecan and decorin may be related to inflammation and monocyte activation in CKD and may act as potential markers of endothelial damage.
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Affiliation(s)
| | | | - Jara Caro
- Departamento de Nefrología del Hospital Universitario 12 de Octubre, Instituto de investigación i+12, Madrid, Spain
| | - Claudia Yuste
- Departamento de Nefrología del Hospital Universitario 12 de Octubre, Instituto de investigación i+12, Madrid, Spain
| | - Enrique Morales
- Departamento de Nefrología del Hospital Universitario 12 de Octubre, Instituto de investigación i+12, Madrid, Spain
- Departamento de Medicina, Universidad Complutense de Madrid, Madrid, Spain
| | - Noemí Ceprián
- Departamento de Genética, Fisiología y Microbiología, Facultad de Ciencias Biológicas, Universidad Complutense de Madrid/Instituto de Investigación Sanitaria Hospital 12 de Octubre (imas12), Madrid, Spain
| | - Guillermo Bodega
- Departamento de Biomedicina y Biotecnología, Universidad de Alcalá, Alcalá de Henares, Madrid, Spain
| | - Rafael Ramírez
- Departamento de Biología de Sistemas, Universidad de Alcalá, Alcalá de Henares, Madrid, Spain
- Instituto Ramón y Cajal de Investigación Sanitaria (IRYCIS), Madrid, Spain
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69
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Boppana A, Lee S, Malhotra R, Halushka M, Gustilo KS, Quardokus EM, Herr BW, Börner K, Weber GM. Anatomical structures, cell types, and biomarkers of the healthy human blood vasculature. Sci Data 2023; 10:452. [PMID: 37468503 PMCID: PMC10356915 DOI: 10.1038/s41597-023-02018-0] [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: 07/20/2022] [Accepted: 01/30/2023] [Indexed: 07/21/2023] Open
Abstract
More than 150 scientists from 17 consortia are collaborating on an international project to build a Human Reference Atlas, which maps all 37 trillion cells in the healthy adult human body. The initial release of this atlas provided hierarchical lists of the anatomical structures, cell types, and biomarkers in 11 organs. Here, we describe the methods we used as part of this initiative to build the first open, computer-readable, and comprehensive database of the adult human blood vasculature, called the Human Reference Atlas-Vasculature Common Coordinate Framework (HRA-VCCF). It includes 993 vessels and their branching connections, 10 cell types, and 10 biomarkers. With this paper we are releasing additional details on vessel types and subtypes, branching sequence, anastomoses, portal systems, microvasculature, functional tissue units, mappings to regions vessels supply or drain, geometric properties of vessels, and links to 3D reference objects. Future versions will add variants and connections to the lymph vasculature; and, it will iteratively expand and improve the database as additional experimental data become available through the participating consortia.
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Affiliation(s)
| | - Sujin Lee
- Department of Surgery, Massachusetts General Hospital, Boston, Massachusetts, USA
| | - Rajeev Malhotra
- Department of Medicine, Massachusetts General Hospital, Boston, Massachusetts, USA
| | - Marc Halushka
- Department of Pathology, Johns Hopkins Medicine, Baltimore, Maryland, USA
| | - Katherine S Gustilo
- Department of Intelligent Systems Engineering, Luddy School of Informatics, Computing, and Engineering, Indiana University, Bloomington, Indiana, USA
| | - Ellen M Quardokus
- Department of Intelligent Systems Engineering, Luddy School of Informatics, Computing, and Engineering, Indiana University, Bloomington, Indiana, USA
| | - Bruce W Herr
- Department of Intelligent Systems Engineering, Luddy School of Informatics, Computing, and Engineering, Indiana University, Bloomington, Indiana, USA
| | - Katy Börner
- Department of Intelligent Systems Engineering, Luddy School of Informatics, Computing, and Engineering, Indiana University, Bloomington, Indiana, USA
| | - Griffin M Weber
- Department of Biomedical Informatics, Harvard Medical School, Boston, Massachusetts, USA.
- Department of Medicine, Beth Israel Deaconess Medical Center, Boston, Massachusetts, USA.
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70
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Choi Y, Jacobs Jr DR, Kramer HJ, Shroff GR, Chang AR, Duprez DA. Racial Differences and Contributory Cardiovascular and Non-Cardiovascular Risk Factors Towards Chronic Kidney Disease Progression. Vasc Health Risk Manag 2023; 19:433-445. [PMID: 37465230 PMCID: PMC10350429 DOI: 10.2147/vhrm.s416395] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2023] [Accepted: 07/04/2023] [Indexed: 07/20/2023] Open
Abstract
Background The prevalence of advanced chronic kidney disease (CKD) is higher in Black than in White Americans. We evaluated CKD progression in Black and White participants and the contribution of biological risk factors. We included the study of lung function (measured by forced vital capacity [FVC]), which is part of the emerging notion of interorgan cross-talk with the kidneys to racial differences in CKD progression. Methods This longitudinal study included 2175 Black and 2207 White adult Coronary Artery Risk Development in Young Adults (CARDIA) participants. Estimated glomerular filtration rate (eGFR) and urinary albumin-to-creatinine ratio (UACR) were measured at study year 10 (age 27-41y) and every five years for 20 years. The outcome was CKD progression through no CKD, low, moderate, high, or very high-risk categories based on eGFR and UACR in combination. The association between race and CKD progression as well as the contribution of risk factors to racial differences were assessed in multivariable-adjusted Cox models. Results Black participants had higher CKD transition probabilities than White participants and more prevalent risk factors during the 20-year period studied. Hazard ratios for CKD transition for Black (vs White participants) were 1.38 from No CKD into ≥ low risk, 2.25 from ≤ low risk into ≥ moderate risk, and 4.49 from ≤ moderate risk into ≥ high risk. Racial differences in CKD progression from No CKD into ≥ low risk were primarily explained by FVC (54.8%), hypertension (30.9%), and obesity (20.8%). In contrast, racial differences were less explained in more severe transitions. Conclusion Black participants had a higher risk of CKD progression, and this discrepancy may be partly explained by FVC and conventional risk factors.
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Affiliation(s)
- Yuni Choi
- Division of Epidemiology and Community Health, School of Public Health, University of Minnesota, Minneapolis, MN, USA
| | - David R Jacobs Jr
- Division of Epidemiology and Community Health, School of Public Health, University of Minnesota, Minneapolis, MN, USA
| | - Holly J Kramer
- Departments of Public Health Sciences and Medicine, Loyola University Chicago, Maywood, IL, USA
| | - Gautam R Shroff
- Division of Cardiology and Department of Medicine, Hennepin Healthcare, University of Minnesota Medical School, Minneapolis, MN, USA
| | - Alexander R Chang
- Departments of Population of Health Sciences and Nephrology, Geisinger, Danville, PA, USA
| | - Daniel A Duprez
- Cardiovascular Division, Department of Medicine, University of Minnesota, Minneapolis, MN, USA
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Ahn I, Kang CS, Han J. Where should siRNAs go: applicable organs for siRNA drugs. Exp Mol Med 2023:10.1038/s12276-023-00998-y. [PMID: 37430086 PMCID: PMC10393947 DOI: 10.1038/s12276-023-00998-y] [Citation(s) in RCA: 19] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2022] [Accepted: 03/02/2023] [Indexed: 07/12/2023] Open
Abstract
RNA interference mediated by small interfering RNAs (siRNAs) has been exploited for the development of therapeutics. siRNAs can be a powerful therapeutic tool because the working mechanisms of siRNAs are straightforward. siRNAs determine targets based on their sequence and specifically regulate the gene expression of the target gene. However, efficient delivery of siRNAs to the target organ has long been an issue that needs to be solved. Tremendous efforts regarding siRNA delivery have led to significant progress in siRNA drug development, and from 2018 to 2022, a total of five siRNA drugs were approved for the treatment of patients. Although all FDA-approved siRNA drugs target the hepatocytes of the liver, siRNA-based drugs targeting different organs are in clinical trials. In this review, we introduce siRNA drugs in the market and siRNA drug candidates in clinical trials that target cells in multiple organs. The liver, eye, and skin are the preferred organs targeted by siRNAs. Three or more siRNA drug candidates are in phase 2 or 3 clinical trials to suppress gene expression in these preferred organs. On the other hand, the lungs, kidneys, and brain are challenging organs with relatively few clinical trials. We discuss the characteristics of each organ related to the advantages and disadvantages of siRNA drug targeting and strategies to overcome the barriers in delivering siRNAs based on organ-specific siRNA drugs that have progressed to clinical trials.
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Affiliation(s)
- Insook Ahn
- Graduate School of Medical Science and Engineering, Korea Advanced Institute for Science and Technology (KAIST), Daejeon, Republic of Korea
| | - Chanhee S Kang
- Graduate School of Medical Science and Engineering, Korea Advanced Institute for Science and Technology (KAIST), Daejeon, Republic of Korea
| | - Jinju Han
- Graduate School of Medical Science and Engineering, Korea Advanced Institute for Science and Technology (KAIST), Daejeon, Republic of Korea.
- BioMedical Research Center, KAIST, Daejeon, Republic of Korea.
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Wang Z, Zhang Z, Li Y, Zhang Y, Wei M, Li H, Yang S, Zhou Y, Zhou X, Xing G. Endothelial-derived complement factor D contributes to endothelial dysfunction in malignant nephrosclerosis via local complement activation. Hypertens Res 2023; 46:1759-1770. [PMID: 37188751 PMCID: PMC10184087 DOI: 10.1038/s41440-023-01300-3] [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: 06/11/2022] [Revised: 12/24/2022] [Accepted: 03/20/2023] [Indexed: 05/17/2023]
Abstract
Malignant nephrosclerosis is a thrombotic microangiopathy associated with abnormal local activation of the complement alternative pathway (AP). However, the mechanism underlying local AP activation is not fully understood. We hypothesized that complement factor D (CFD) secreted by endothelial cells triggers vascular dysfunction in malignant nephrosclerosis via local complement activation. We investigated the deposition of CFD in human kidney biopsy tissues and the function of endothelial-derived CFD in endothelial cell cultures. Immunofluorescence microscopy and laser microdissection-targeted mass spectrometry revealed significant deposition of CFD in the kidneys of patients with malignant nephrosclerosis. Conditionally immortalized human glomerular endothelial cells (CiGEnCs) continuously expressed and secreted CFD in vitro. CFD knockdown in CiGEnCs by small interfering RNA reduced local complement activation and attenuated the upregulation of intercellular adhesion molecule-1 (ICAM-1), vascular adhesion molecule-1 (VCAM-1), von Willebrand factor (VWF), and endothelin-1 (ET-1) induced by Ang II. The expression of CFD in CiGEnCs was significantly higher than that in other types of microvascular endothelial cells. Our findings suggest that (i) glomerular endothelial cells are an important source of local renal CFD, (ii) endothelial-derived CFD can activate the local complement system, and (iii) endothelial-derived CFD mediates endothelial dysfunction, which may play a role in the pathogenesis of malignant nephrosclerosis.
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Affiliation(s)
- Zheng Wang
- Department of Nephrology, First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, People's Republic of China
- Academy of Medical Sciences, Zhengzhou University, Zhengzhou, Henan, People's Republic of China
| | - Zhe Zhang
- Department of Nephrology, First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, People's Republic of China
- Academy of Medical Sciences, Zhengzhou University, Zhengzhou, Henan, People's Republic of China
| | - Yuan Li
- Department of Nephrology, First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, People's Republic of China
| | - Ying Zhang
- Department of Nephrology, First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, People's Republic of China
| | - Min Wei
- Department of Nephrology, First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, People's Republic of China
| | - Hui Li
- Department of Nephrology, First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, People's Republic of China
- Academy of Medical Sciences, Zhengzhou University, Zhengzhou, Henan, People's Republic of China
| | - Shanzhi Yang
- Department of Nephrology, First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, People's Republic of China
| | - Yali Zhou
- Department of Nephrology, First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, People's Republic of China
| | - Xinjin Zhou
- Department of Nephrology, First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, People's Republic of China.
- Department of Pathology, Baylor University Medical Center at Dallas, Dallas, TX, USA.
| | - Guolan Xing
- Department of Nephrology, First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, People's Republic of China.
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Zhang X, Xie H, Liu Z, Zhang J, Deng L, Wu Q, Duan Y, Wang F, Wu C, Zhu Q. HMGB 1 acetylation mediates trichloroethylene-induced immune kidney injury by facilitating endothelial cell-podocyte communication. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2023; 259:115042. [PMID: 37216866 PMCID: PMC10250816 DOI: 10.1016/j.ecoenv.2023.115042] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/04/2023] [Revised: 05/13/2023] [Accepted: 05/17/2023] [Indexed: 05/24/2023]
Abstract
More and more clinical evidence shows that occupational medicamentose-like dermatitis due to trichloroethylene (OMDT) patients often present immune kidney damage. However, the exact mechanisms of cell-to-cell transmission in TCE-induced immune kidney damage remain poorly understood. The present study aimed to explore the role of high mobility group box-1 (HMGB 1) in glomerular endothelial cell-podocyte transmission. 17 OMDT patients and 34 controls were enrolled in this study. We observed that OMDT patients had renal function injury, endothelial cell activation and podocyte injury, and these indicators were associated with serum HMGB 1. To gain mechanistic insight, a TCE-sensitized BALB/c mouse model was established under the interventions of sirtuin 1 (SIRT 1) activator SRT 1720 (0.1 ml, 5 mg/kg) and receptor for advanced glycation end products (RAGE) inhibitor FPS-ZM 1 (0.1 ml, 1.5 mg/kg). We identified HMGB 1 acetylation and its endothelial cytoplasmic translocation following TCE sensitization, but SRT 1720 abolished the process. RAGE was located on podocytes and co-precipitated with extracellular acetylated HMGB 1, promoting podocyte injury, while SRT 1720 and FPS-ZM 1 both alleviated podocyte injury. The results demonstrate that interventions to upstream and downstream pathways of HMGB 1 may weaken glomerular endothelial cell-podocyte transmission, thereby alleviating TCE-induced immune renal injury.
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Affiliation(s)
- Xuesong Zhang
- Department of Occupational Health and Environmental Health, School of Public Health, Anhui Medical University, Hefei, Anhui, China; Key Laboratory of Dermatology (Anhui Medical University), Ministry of Education, Hefei, China
| | - Haibo Xie
- Department of Nephropathy, First Affiliated Hospital of Anhui Medical University, Hefei, Anhui, China
| | - Zhibing Liu
- Key Laboratory of Dermatology (Anhui Medical University), Ministry of Education, Hefei, China; Department of Dermatology, First Affiliated Hospital of Anhui Medical University, Hefei, Anhui, China
| | - Jiaxiang Zhang
- Department of Occupational Health and Environmental Health, School of Public Health, Anhui Medical University, Hefei, Anhui, China; Key Laboratory of Dermatology (Anhui Medical University), Ministry of Education, Hefei, China
| | - Lihua Deng
- Shenzhen Prevention and Treatment Center for Occupational Disease, Shenzhen, China
| | - Qifeng Wu
- Guangdong Province Hospital for Occupational Disease Prevention and Treatment, Guangzhou, Guangdong, China
| | - Yuansheng Duan
- Department of Occupational Health and Environmental Health, School of Public Health, Anhui Medical University, Hefei, Anhui, China; Key Laboratory of Dermatology (Anhui Medical University), Ministry of Education, Hefei, China
| | - Feng Wang
- Department of Dermatology, Second Affiliated Hospital of Anhui Medical University, Hefei, Anhui, China
| | - Changhao Wu
- Faculty of Health and Medical Sciences, University of Surrey, Guildford, United Kingdom.
| | - Qixing Zhu
- Key Laboratory of Dermatology (Anhui Medical University), Ministry of Education, Hefei, China; Department of Dermatology, First Affiliated Hospital of Anhui Medical University, Hefei, Anhui, China.
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Douté M, Sannier A, Even G, Tran TT, Gaston AT, Delbosc S, Loyau S, Bruneval P, Witko-Sarsat V, Mouthon L, Nicoletti A, Caligiuri G, Clement M. Thrombopoietin-Dependent Myelo-Megakaryopoiesis Fuels Thromboinflammation and Worsens Antibody-Mediated Chronic Renal Microvascular Injury. J Am Soc Nephrol 2023; 34:1207-1221. [PMID: 37022108 PMCID: PMC10356147 DOI: 10.1681/asn.0000000000000127] [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: 08/20/2022] [Accepted: 03/07/2023] [Indexed: 04/07/2023] Open
Abstract
SIGNIFICANCE STATEMENT Kidney-derived thrombopoietin (TPO) increases myeloid cell and platelet production during antibody-mediated chronic kidney disease (AMCKD) in a mouse model, exacerbating chronic thromobinflammation in microvessels. The effect is mirrored in patients with extracapillary glomerulonephritis associated with thromboinflammation, TGF β -dependent glomerulosclerosis, and increased bioavailability of TPO. Neutralization of TPO in mice normalized hematopoiesis, reduced chronic thromboinflammation, and ameliorated renal disease. The findings suggest that TPO is a relevant biomarker and a promising therapeutic target for patients with CKD and other chronic thromboinflammatory diseases.Neutralization of TPO in mice normalized hematopoiesis, reduced chronic thromboinflammation, and ameliorated renal disease. The findings suggest that TPO is a relevant biomarker and a promising therapeutic target for patients with CKD and other chronic thromboinflammatory diseases. BACKGROUND Chronic thromboinflammation provokes microvascular alterations and rarefaction, promoting organ dysfunction in individuals with various life-threatening diseases. Hematopoietic growth factors (HGFs) released by the affected organ may sustain emergency hematopoiesis and fuel the thromboinflammatory process. METHODS Using a murine model of antibody-mediated chronic kidney disease (AMCKD) and pharmacological interventions, we comprehensively monitored the response to injury in the circulating blood, urine, bone marrow, and kidney. RESULTS Experimental AMCKD was associated with chronic thromboinflammation and the production of HGFs, especially thrombopoietin (TPO), by the injured kidney, which stimulated and skewed hematopoiesis toward myelo-megakaryopoiesis. AMCKD was characterized by vascular and kidney dysfunction, TGF β -dependent glomerulosclerosis, and microvascular rarefaction. In humans, extracapillary glomerulonephritis is associated with thromboinflammation, TGF β -dependent glomerulosclerosis, and increased bioavailability of TPO. Analysis of albumin, HGF, and inflammatory cytokine levels in sera from patients with extracapillary glomerulonephritis allowed us to identify treatment responders. Strikingly, TPO neutralization in the experimental AMCKD model normalized hematopoiesis, reduced chronic thromboinflammation, and ameliorated renal disease. CONCLUSION TPO-skewed hematopoiesis exacerbates chronic thromboinflammation in microvessels and worsens AMCKD. TPO is both a relevant biomarker and a promising therapeutic target in humans with CKD and other chronic thromboinflammatory diseases.
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Affiliation(s)
- Mélodie Douté
- Université Paris Cité and Université Sorbonne Paris Nord, INSERM U1148, Laboratory for vascular science (LVTS), Paris, France
- Laboratoire d'Excellence INFLAMEX, Paris, France
| | - Aurélie Sannier
- Université Paris Cité and Université Sorbonne Paris Nord, INSERM U1148, Laboratory for vascular science (LVTS), Paris, France
- Université de Paris, Assistance Publique-Hôpitaux de Paris (AP-HP), Service d'Anatomie et Cytologie Pathologiques, Hôpital Bichat, Paris, France
| | - Guillaume Even
- Université Paris Cité and Université Sorbonne Paris Nord, INSERM U1148, Laboratory for vascular science (LVTS), Paris, France
| | - Thi-Thu Tran
- Université Paris Cité and Université Sorbonne Paris Nord, INSERM U1148, Laboratory for vascular science (LVTS), Paris, France
| | - Ahn-Tu Gaston
- Université Paris Cité and Université Sorbonne Paris Nord, INSERM U1148, Laboratory for vascular science (LVTS), Paris, France
| | - Sandrine Delbosc
- Université Paris Cité and Université Sorbonne Paris Nord, INSERM U1148, Laboratory for vascular science (LVTS), Paris, France
| | - Stéphane Loyau
- Université Paris Cité and Université Sorbonne Paris Nord, INSERM U1148, Laboratory for vascular science (LVTS), Paris, France
| | - Patrick Bruneval
- Departments of Nephrology Pathology, Hôpital Européen Georges Pompidou, Assistance Publique-Hôpitaux de Paris, Paris, France
| | - Véronique Witko-Sarsat
- Laboratoire d'Excellence INFLAMEX, Paris, France
- Université de Paris, INSERM U1016, CNRS UMR 8104, Institut Cochin, Paris, France
| | - Luc Mouthon
- Laboratoire d'Excellence INFLAMEX, Paris, France
- Université de Paris, INSERM U1016, CNRS UMR 8104, Institut Cochin, Paris, France
- Service de Médecine Interne, Centre de Référence Maladies Autoimmunes Systémiques Rares d'Ile de France, Hôpital Cochin, Assistance Publique-Hôpitaux de Paris (AP-HP), Paris, France
- Assistance Publique-Hôpitaux de Paris (AP-HP)-CUP-CUP, Hôpital Cochin, Université Paris Cité, Paris, France
| | - Antonino Nicoletti
- Université Paris Cité and Université Sorbonne Paris Nord, INSERM U1148, Laboratory for vascular science (LVTS), Paris, France
- Laboratoire d'Excellence INFLAMEX, Paris, France
| | - Giuseppina Caligiuri
- Université Paris Cité and Université Sorbonne Paris Nord, INSERM U1148, Laboratory for vascular science (LVTS), Paris, France
- Laboratoire d'Excellence INFLAMEX, Paris, France
- Department of Cardiology, Assistance Publique-Hôpitaux de Paris, Hôpitaux Universitaires Paris Nord Val-de-Seine, Site Bichat, Paris, France
| | - Marc Clement
- Université Paris Cité and Université Sorbonne Paris Nord, INSERM U1148, Laboratory for vascular science (LVTS), Paris, France
- Laboratoire d'Excellence INFLAMEX, Paris, France
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Lin CJ, Chiu CY, Liao EC, Wu CJ, Chung CH, Greenberg CS, Lai TS. S-Nitrosylation of Tissue Transglutaminase in Modulating Glycolysis, Oxidative Stress, and Inflammatory Responses in Normal and Indoxyl-Sulfate-Induced Endothelial Cells. Int J Mol Sci 2023; 24:10935. [PMID: 37446114 DOI: 10.3390/ijms241310935] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2023] [Revised: 06/23/2023] [Accepted: 06/28/2023] [Indexed: 07/15/2023] Open
Abstract
Circulating uremic toxin indoxyl sulfate (IS), endothelial cell (EC) dysfunction, and decreased nitric oxide (NO) bioavailability are found in chronic kidney disease patients. NO nitrosylates/denitrosylates a specific protein's cysteine residue(s), forming S-nitrosothios (SNOs), and the decreased NO bioavailability could interfere with NO-mediated signaling events. We were interested in investigating the underlying mechanism(s) of the reduced NO and how it would regulate the S-nitrosylation of tissue transglutaminase (TG2) and its substrates on glycolytic, redox and inflammatory responses in normal and IS-induced EC injury. TG2, a therapeutic target for fibrosis, has a Ca2+-dependent transamidase (TGase) that is modulated by S-nitrosylation. We found IS increased oxidative stress, reduced NADPH and GSH levels, and uncoupled eNOS to generate NO. Immunoblot analysis demonstrated the upregulation of an angiotensin-converting enzyme (ACE) and significant downregulation of the beneficial ACE2 isoform that could contribute to oxidative stress in IS-induced injury. An in situ TGase assay demonstrated IS-activated TG2/TGase aminylated eNOS, NFkB, IkBα, PKM2, G6PD, GAPDH, and fibronectin (FN), leading to caspases activation. Except for FN, TGase substrates were all differentially S-nitrosylated either with or without IS but were denitrosylated in the presence of a specific, irreversible TG2/TGase inhibitor ZDON, suggesting ZDON-bound TG2 was not effectively transnitrosylating to TG2/TGase substrates. The data suggest novel roles of TG2 in the aminylation of its substrates and could also potentially function as a Cys-to-Cys S-nitrosylase to exert NO's bioactivity to its substrates and modulate glycolysis, redox, and inflammation in normal and IS-induced EC injury.
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Affiliation(s)
- Cheng-Jui Lin
- Department of Medicine, MacKay Medical College, New Taipei 25245, Taiwan
- MacKay Junior College of Medicine, Nursing and Management, New Taipei 25245, Taiwan
- Division of Nephrology, Department of Internal Medicine, MacKay Memorial Hospital, New Taipei 25245, Taiwan
| | - Chun Yu Chiu
- Institute of Biomedical Sciences, MacKay Medical College, New Taipei 25245, Taiwan
| | - En-Chih Liao
- Department of Medicine, MacKay Medical College, New Taipei 25245, Taiwan
| | - Chih-Jen Wu
- Department of Medicine, MacKay Medical College, New Taipei 25245, Taiwan
- MacKay Junior College of Medicine, Nursing and Management, New Taipei 25245, Taiwan
- Division of Nephrology, Department of Internal Medicine, MacKay Memorial Hospital, New Taipei 25245, Taiwan
| | - Ching-Hu Chung
- Department of Medicine, MacKay Medical College, New Taipei 25245, Taiwan
| | - Charles S Greenberg
- Division of Hematology/Oncology, Medical University of South Carolina, Charleston, SC 29425, USA
| | - Thung-S Lai
- Institute of Biomedical Sciences, MacKay Medical College, New Taipei 25245, Taiwan
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Airola C, Pallozzi M, Cerrito L, Santopaolo F, Stella L, Gasbarrini A, Ponziani FR. Microvascular Thrombosis and Liver Fibrosis Progression: Mechanisms and Clinical Applications. Cells 2023; 12:1712. [PMID: 37443746 PMCID: PMC10341358 DOI: 10.3390/cells12131712] [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: 05/09/2023] [Revised: 06/14/2023] [Accepted: 06/16/2023] [Indexed: 07/15/2023] Open
Abstract
Fibrosis is an unavoidable consequence of chronic inflammation. Extracellular matrix deposition by fibroblasts, stimulated by multiple pathways, is the first step in the onset of chronic liver disease, and its propagation promotes liver dysfunction. At the same time, chronic liver disease is characterized by alterations in primary and secondary hemostasis but unlike previously thought, these changes are not associated with an increased risk of bleeding complications. In recent years, the role of coagulation imbalance has been postulated as one of the main mechanisms promoting hepatic fibrogenesis. In this review, we aim to investigate the function of microvascular thrombosis in the progression of liver disease and highlight the molecular and cellular networks linking hemostasis to fibrosis in this context. We analyze the predictive and prognostic role of coagulation products as biomarkers of liver decompensation (ascites, variceal hemorrhage, and hepatic encephalopathy) and liver-related mortality. Finally, we evaluate the current evidence on the application of antiplatelet and anticoagulant therapies for prophylaxis of hepatic decompensation or prevention of the progression of liver fibrosis.
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Affiliation(s)
- Carlo Airola
- Hepatology Unit, CEMAD Centro Malattie dell'Apparato Digerente, Medicina Interna e Gastroenterologia, Fondazione Policlinico Universitario Gemelli IRCCS, 00168 Rome, Italy; (C.A.); (M.P.); (L.C.); (F.S.); (L.S.); (A.G.)
| | - Maria Pallozzi
- Hepatology Unit, CEMAD Centro Malattie dell'Apparato Digerente, Medicina Interna e Gastroenterologia, Fondazione Policlinico Universitario Gemelli IRCCS, 00168 Rome, Italy; (C.A.); (M.P.); (L.C.); (F.S.); (L.S.); (A.G.)
| | - Lucia Cerrito
- Hepatology Unit, CEMAD Centro Malattie dell'Apparato Digerente, Medicina Interna e Gastroenterologia, Fondazione Policlinico Universitario Gemelli IRCCS, 00168 Rome, Italy; (C.A.); (M.P.); (L.C.); (F.S.); (L.S.); (A.G.)
| | - Francesco Santopaolo
- Hepatology Unit, CEMAD Centro Malattie dell'Apparato Digerente, Medicina Interna e Gastroenterologia, Fondazione Policlinico Universitario Gemelli IRCCS, 00168 Rome, Italy; (C.A.); (M.P.); (L.C.); (F.S.); (L.S.); (A.G.)
| | - Leonardo Stella
- Hepatology Unit, CEMAD Centro Malattie dell'Apparato Digerente, Medicina Interna e Gastroenterologia, Fondazione Policlinico Universitario Gemelli IRCCS, 00168 Rome, Italy; (C.A.); (M.P.); (L.C.); (F.S.); (L.S.); (A.G.)
| | - Antonio Gasbarrini
- Hepatology Unit, CEMAD Centro Malattie dell'Apparato Digerente, Medicina Interna e Gastroenterologia, Fondazione Policlinico Universitario Gemelli IRCCS, 00168 Rome, Italy; (C.A.); (M.P.); (L.C.); (F.S.); (L.S.); (A.G.)
- Dipartimento di Medicina e Chirurgia Traslazionale, Università Cattolica del Sacro Cuore, 00168 Rome, Italy
| | - Francesca Romana Ponziani
- Hepatology Unit, CEMAD Centro Malattie dell'Apparato Digerente, Medicina Interna e Gastroenterologia, Fondazione Policlinico Universitario Gemelli IRCCS, 00168 Rome, Italy; (C.A.); (M.P.); (L.C.); (F.S.); (L.S.); (A.G.)
- Dipartimento di Medicina e Chirurgia Traslazionale, Università Cattolica del Sacro Cuore, 00168 Rome, Italy
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Gong P, Yue S, Shi F, Yang W, Yao W, Chen F, Guo Y. Protective Effect of Astragaloside IV against Cadmium-Induced Damage on Mouse Renal Podocytes (MPC5). Molecules 2023; 28:4897. [PMID: 37446560 DOI: 10.3390/molecules28134897] [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: 05/18/2023] [Revised: 06/16/2023] [Accepted: 06/19/2023] [Indexed: 07/15/2023] Open
Abstract
In this study, we investigated the protective effect of Astragaloside IV (Ast) on mouse podocytes and its possible mechanism of action by constructing a cadmium-induced mouse renal podocytes model. We investigated the effects of cadmium (Cd) toxicity on cell number, morphology, the mitochondrial status of subcellular organelles, protein and gene levels, and the protective effects of Ast by constructing a model of Cd-induced damage to mouse renal podocytes (MPC5) and giving Ast protection at the same time. The results showed that exposure of MPC5 cells to CdCl2 culture medium containing 6.25 μM concentration acted with low cell mortality, but the mortality of MPC5 cells increased with the prolongation of cadmium exposure time. Given Ast, the death rate in the low dose group (12.5 μM) was significantly reduced, while the death rate in the medium dose group (25 μM) was extremely significantly reduced. In comparison to the control group, the Cd-exposed group exhibited a significant increase of 166.7% in malondialdehyde (MDA) content and a significant decrease of 17.1% in SOD activity. The mitochondrial membrane potential was also reduced to varying degrees. However, in the Ast-protected group compared to the Cd-exposed group, the MDA content significantly decreased by 20.8%, the SOD activity decreased by 7.14%, and the mitochondrial membrane potential showed a significant increase. Fluorescence staining of mitochondrial membrane potential indicated that Cd exposure caused mitochondrial apoptosis. In the 12-h cadmium-exposed group, the protein expression of Nephrin in mice significantly decreased by 33.4%. However, the expression of the Desmin protein significantly increased by 67.8%, and the expression of the autophagy protein LC3-II significantly increased by 55.5%. Meanwhile, the expression of PINK1, a mitochondrial autophagy pathway protein, was significantly increased in the 12 h and 24 h cadmium exposure groups. The mRNA level of PINK1 was significantly increased, and that of Parkin was decreased in the 48 h cadmium exposure group. Compared to the Cd-exposed group, the Ast group showed more significant improvements in the expression of podocyte structure, functional proteins, and mitochondrial autophagy pathway proteins. The immunological assay of mitochondrial autophagic pathway proteins further indicated that Cd-induced damage to MPC5 cells might be associated with the dysregulation of mitochondrial autophagy.
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Affiliation(s)
- Pin Gong
- School of Food Science and Engineering, Shaanxi University of Science and Technology, Xi'an 710021, China
- School of Biological and Pharmaceutical Sciences, Shaanxi University of Science and Technology, Xi'an 710021, China
| | - Shan Yue
- School of Food Science and Engineering, Shaanxi University of Science and Technology, Xi'an 710021, China
- School of Biological and Pharmaceutical Sciences, Shaanxi University of Science and Technology, Xi'an 710021, China
| | - Fuxiong Shi
- School of Food Science and Engineering, Shaanxi University of Science and Technology, Xi'an 710021, China
- School of Biological and Pharmaceutical Sciences, Shaanxi University of Science and Technology, Xi'an 710021, China
| | - Wenjuan Yang
- School of Food Science and Engineering, Shaanxi University of Science and Technology, Xi'an 710021, China
- School of Biological and Pharmaceutical Sciences, Shaanxi University of Science and Technology, Xi'an 710021, China
| | - Wenbo Yao
- School of Food Science and Engineering, Shaanxi University of Science and Technology, Xi'an 710021, China
- School of Biological and Pharmaceutical Sciences, Shaanxi University of Science and Technology, Xi'an 710021, China
| | - Fuxin Chen
- School of Chemistry and Chemical Engineering, Xi'an University of Science and Technology, Xi'an 710054, China
| | - Yuxi Guo
- School of Food Science and Engineering, Shaanxi University of Science and Technology, Xi'an 710021, China
- School of Biological and Pharmaceutical Sciences, Shaanxi University of Science and Technology, Xi'an 710021, China
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Feng J, Xie X, Teng Z, Fei W, Zhen Y, Liu J, Yang L, Chen S. Retinal Microvascular Diameters are Associated with Diabetic Kidney Disease in Patients with Type 2 Diabetes Mellitus. Diabetes Metab Syndr Obes 2023; 16:1821-1831. [PMID: 37366485 PMCID: PMC10290843 DOI: 10.2147/dmso.s415667] [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: 04/04/2023] [Accepted: 06/13/2023] [Indexed: 06/28/2023] Open
Abstract
Objective To investigate the association between retinal microvascular diameters and diabetic kidney disease (DKD) in patients with type 2 diabetes mellitus (T2DM). Methods A total of 690 patients with T2DM were included in this retrospective study. Patients were divided into DKD and non-DKD groups according to urine microalbumin/creatinine ratio and estimated glomerular filtration rate. Retinal microvascular diameters were measured by the automated retinal image analysis system. Multivariate logistic regression analysis and restricted cubic splines were used to assess the relationships between the retinal microvascular diameters and DKD in patients with T2DM. Results Multivariate logistic regression showed that widened diameters of retinal venules and narrowed diameters of retinal arterioles were associated with DKD after adjusting for potential confounding variables. There was a significant linear trend between the diameters of superior temporal retinal venula (P for trend < 0.001, P for non-linearity = 0.080), inferior temporal retinal venula (P for trend < 0.001, P for non-linearity = 0.111) and central retinal venular equivalent (CRVE) (P for trend < 0.001, P for non-linearity = 0.392) and risk of DKD in patients with T2DM. The restricted cubic splines showed that narrowed retinal arteriolar diameters, superior and inferior nasal retinal venulas were associated with the risk of DKD in a non-linear fashion (all P for non-linearity < 0.001). Conclusion Wider retinal venular diameters and narrower retinal arteriolar diameters were associated with an increased risk of DKD in patients with T2DM. Widened retinal venular diameters, especially CRVE, superior and inferior temporal retinal venula, were positively associated with an increased risk of DKD in a linear fashion. In contrast, narrowed retinal arteriolar diameters were associated with the risk of DKD in a non-linear fashion.
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Affiliation(s)
- Jing Feng
- Department of Endocrinology, Hebei Medical University, Shijiazhuang, Hebei Province, People’s Republic of China
- Department of Endocrinology, Hebei General Hospital, Shijiazhuang, Hebei Province, People’s Republic of China
- Hebei Key Laboratory of Metabolic Disease, Shijiazhuang, Hebei Province, People’s Republic of China
| | - Xiaohua Xie
- Department of Neurology, Hebei General Hospital, Shijiazhuang, Hebei Province, People’s Republic of China
| | - Zhenjie Teng
- Department of Neurology, Hebei General Hospital, Shijiazhuang, Hebei Province, People’s Republic of China
- Department of Neurology, Hebei Medical University, Shijiazhuang, Hebei Province, People’s Republic of China
| | - Wenjie Fei
- Department of Endocrinology, Hebei Medical University, Shijiazhuang, Hebei Province, People’s Republic of China
- Department of Endocrinology, Hebei General Hospital, Shijiazhuang, Hebei Province, People’s Republic of China
| | - Yunfeng Zhen
- Department of Endocrinology, Hebei General Hospital, Shijiazhuang, Hebei Province, People’s Republic of China
| | - Jingzhen Liu
- Department of Endocrinology, Hebei General Hospital, Shijiazhuang, Hebei Province, People’s Republic of China
| | - Liqun Yang
- Department of Endocrinology, Hebei General Hospital, Shijiazhuang, Hebei Province, People’s Republic of China
| | - Shuchun Chen
- Department of Endocrinology, Hebei Medical University, Shijiazhuang, Hebei Province, People’s Republic of China
- Department of Endocrinology, Hebei General Hospital, Shijiazhuang, Hebei Province, People’s Republic of China
- Hebei Key Laboratory of Metabolic Disease, Shijiazhuang, Hebei Province, People’s Republic of China
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Carracedo M, Ericson E, Ågren R, Forslöw A, Madeyski-Bengtson K, Svensson A, Riddle R, Christoffersson J, González-King Garibotti H, Lazovic B, Hicks R, Buvall L, Fornoni A, Greasley PJ, Lal M. APOL1 promotes endothelial cell activation beyond the glomerulus. iScience 2023; 26:106830. [PMID: 37250770 PMCID: PMC10209455 DOI: 10.1016/j.isci.2023.106830] [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: 03/30/2023] [Revised: 04/27/2023] [Accepted: 05/03/2023] [Indexed: 05/31/2023] Open
Abstract
Apolipoprotein L1 (APOL1) high-risk genotypes are associated with increased risk of chronic kidney disease (CKD) in people of West African ancestry. Given the importance of endothelial cells (ECs) in CKD, we hypothesized that APOL1 high-risk genotypes may contribute to disease via EC-intrinsic activation and dysfunction. Single cell RNA sequencing (scRNA-seq) analysis of the Kidney Precision Medicine Project dataset revealed APOL1 expression in ECs from various renal vascular compartments. Utilizing two public transcriptomic datasets of kidney tissue from African Americans with CKD and a dataset of APOL1-expressing transgenic mice, we identified an EC activation signature; specifically, increased intercellular adhesion molecule 1 (ICAM-1) expression and enrichment in leukocyte migration pathways. In vitro, APOL1 expression in ECs derived from genetically modified human induced pluripotent stem cells and glomerular ECs triggered changes in ICAM-1 and platelet endothelial cell adhesion molecule 1 (PECAM-1) leading to an increase in monocyte attachment. Overall, our data suggest the involvement of APOL1 as an inducer of EC activation in multiple renal vascular beds with potential effects beyond the glomerular vasculature.
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Affiliation(s)
- Miguel Carracedo
- Bioscience Renal, Research and Early Development, Cardiovascular , Renal and Metabolism (CVRM), BioPharmaceuticals R&D, AstraZeneca, Gothenburg, Sweden
| | - Elke Ericson
- Genome Engineering, Discovery Biology, Discovery Sciences, BioPharmaceuticals R&D, AstraZeneca, Gothenburg, Sweden
| | - Rasmus Ågren
- Translational Science and Experimental Medicine, Research and Early Development, Cardiovascular, Renal and Metabolism (CVRM), BioPharmaceuticals R&D, AstraZeneca, Gothenburg, Sweden
| | - Anna Forslöw
- Translational Genomics, Discovery Biology, Discovery Sciences, BioPharmaceuticals R&D, AstraZeneca, Gothenburg, Sweden
| | - Katja Madeyski-Bengtson
- Translational Genomics, Discovery Biology, Discovery Sciences, BioPharmaceuticals R&D, AstraZeneca, Gothenburg, Sweden
| | - Anna Svensson
- Translational Genomics, Discovery Biology, Discovery Sciences, BioPharmaceuticals R&D, AstraZeneca, Gothenburg, Sweden
| | - Rebecca Riddle
- Department of Pharmacology, University of Cambridge, Cambridge, UK
| | - Jonas Christoffersson
- Bioscience Cardiovascular, Research and Early Development, Cardiovascular, Renal and Metabolism (CVRM), BioPharmaceuticals R&D, AstraZeneca, Gothenburg, Sweden
| | - Hernán González-King Garibotti
- Bioscience Cardiovascular, Research and Early Development, Cardiovascular, Renal and Metabolism (CVRM), BioPharmaceuticals R&D, AstraZeneca, Gothenburg, Sweden
| | - Bojana Lazovic
- Genome Engineering, Discovery Biology, Discovery Sciences, BioPharmaceuticals R&D, AstraZeneca, Gothenburg, Sweden
- BioPharmaceuticals R&D Cell Therapy, Research and Early Development, Cardiovascular, Renal and Metabolism (CVRM), AstraZeneca, Gothenburg, Sweden
| | - Ryan Hicks
- BioPharmaceuticals R&D Cell Therapy, Research and Early Development, Cardiovascular, Renal and Metabolism (CVRM), AstraZeneca, Gothenburg, Sweden
- School of Cardiovascular and Metabolic Medicine and Sciences, King’s College London, London, UK
| | - Lisa Buvall
- Bioscience Renal, Research and Early Development, Cardiovascular , Renal and Metabolism (CVRM), BioPharmaceuticals R&D, AstraZeneca, Gothenburg, Sweden
| | - Alessia Fornoni
- Katz Family Division of Nephrology and Hypertension, Department of Medicine, Miller School of Medicine, University of Miami, Miami, FL 33136, USA
- Peggy and Harold Katz Family Drug Discovery Center, Miller School of Medicine, University of Miami, Miami, FL 33136, USA
| | - Peter J. Greasley
- Early Clinical Development, Research and Early Development, Cardiovascular, Renal and Metabolism (CVRM), BioPharmaceuticals R&D, AstraZeneca, Gothenburg, Sweden
| | - Mark Lal
- Bioscience Renal, Research and Early Development, Cardiovascular , Renal and Metabolism (CVRM), BioPharmaceuticals R&D, AstraZeneca, Gothenburg, Sweden
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80
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Chen D, Shao M, Song Y, Ren G, Guo F, Fan X, Wang Y, Zhang W, Qin G. Single-cell RNA-seq with spatial transcriptomics to create an atlas of human diabetic kidney disease. FASEB J 2023; 37:e22938. [PMID: 37130011 DOI: 10.1096/fj.202202013rr] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2022] [Revised: 03/29/2023] [Accepted: 04/14/2023] [Indexed: 05/03/2023]
Abstract
Diabetic kidney disease (DKD) develops in ~40% of patients with diabetes and is the leading cause of chronic kidney disease worldwide. We used single-cell RNA-sequencing and spatial transcriptomic analyses of kidney specimens from patients with DKD. Unsupervised clustering revealed distinct cell clusters, including epithelial cells and fibroblasts. We also identified differentially expressed genes (DEGs) and assessed enrichment, and cell-cell interactions. Specific enrichment of DKD was evident in venous endothelial cells (VECs) and fibroblasts with elevated CCL19 expression. The DEGs in most kidney parenchymal cells in DKD were primarily enriched in inflammatory signaling pathways. Intercellular crosstalk revealed that most cell interactions in DKD are associated with chemokines. Spatial transcriptomics revealed that VECs co-localized with fibroblasts, with most immune cells being enriched in areas of renal fibrosis. These results provided insight into the cell populations, intercellular interactions, and signaling pathways underlying the pathogenesis and potential targets for treating DKD.
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Affiliation(s)
- Duo Chen
- Institute of Clinical Medicine, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Mingwei Shao
- Division of Endocrinology, Department of Internal Medicine, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Yi Song
- Institute of Clinical Medicine, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Gaofei Ren
- Division of Endocrinology, Department of Internal Medicine, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Feng Guo
- Division of Endocrinology, Department of Internal Medicine, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Xunjie Fan
- Institute of Clinical Medicine, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Yanyan Wang
- Institute of Clinical Medicine, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Wei Zhang
- Institute of Clinical Medicine, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Guijun Qin
- Division of Endocrinology, Department of Internal Medicine, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
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81
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Sabiu G, Kasinath V, Jung S, Li X, Tsokos GC, Abdi R. Targeted nanotherapy for kidney diseases: a comprehensive review. Nephrol Dial Transplant 2023; 38:1385-1396. [PMID: 35945647 PMCID: PMC10229287 DOI: 10.1093/ndt/gfac233] [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: 05/15/2022] [Indexed: 11/13/2022] Open
Abstract
Kidney diseases represent a major public health problem, affecting millions of people worldwide. Moreover, the treatment of kidney diseases is burdened by the problematic effects of conventional drug delivery, such as systemic drug toxicity, rapid drug clearance, and the absence of precise targeting of the kidney. Although the use of nanotechnology in medicine is in its early stage and lacks robust translational studies, nanomedicines have already shown great promise as novel drug-delivery systems for the treatment of kidney disease. On the basis of our current knowledge of renal anatomy and physiology, pathophysiology of kidney diseases, and physicochemical characteristics of nanoparticles, an expansive repertoire and wide use of nanomedicines could be developed for kidney diseases in the near future. Some limitations have slowed the transition of these agents from preclinical studies to clinical trials, however. In this review, we summarize the current knowledge on renal drug-delivery systems and recent advances in renal cell targeting; we also demonstrate their important potential as future paradigm-shifting therapies for kidney diseases.
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Affiliation(s)
- Gianmarco Sabiu
- Transplantation Research Center, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA
- School of Nephrology, University of Milan, Milan, Italy
| | - Vivek Kasinath
- Transplantation Research Center, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA
| | - Sungwook Jung
- Transplantation Research Center, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA
| | - Xiaofei Li
- Transplantation Research Center, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA
| | - George C Tsokos
- Division of Rheumatology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA
| | - Reza Abdi
- Transplantation Research Center, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA
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82
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Maggiore JC, LeGraw R, Przepiorski A, Velazquez J, Chaney C, Streeter E, Silva-Barbosa A, Franks J, Hislop J, Hill A, Wu H, Pfister K, Howden SE, Watkins SC, Little M, Humphreys BD, Watson A, Stolz DB, Kiani S, Davidson AJ, Carroll TJ, Cleaver O, Sims-Lucas S, Ebrahimkhani MR, Hukriede NA. Genetically engineering endothelial niche in human kidney organoids enables multilineage maturation, vascularization and de novo cell types. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.05.30.542848. [PMID: 37333155 PMCID: PMC10274893 DOI: 10.1101/2023.05.30.542848] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/20/2023]
Abstract
Vascularization plays a critical role in organ maturation and cell type development. Drug discovery, organ mimicry, and ultimately transplantation in a clinical setting thereby hinges on achieving robust vascularization of in vitro engineered organs. Here, focusing on human kidney organoids, we overcome this hurdle by combining an inducible ETS translocation variant 2 (ETV2) human induced pluripotent stem cell (iPSC) line, which directs endothelial fate, with a non-transgenic iPSC line in suspension organoid culture. The resulting human kidney organoids show extensive vascularization by endothelial cells with an identity most closely related to endogenous kidney endothelia. Vascularized organoids also show increased maturation of nephron structures including more mature podocytes with improved marker expression, foot process interdigitation, an associated fenestrated endothelium, and the presence of renin+ cells. The creation of an engineered vascular niche capable of improving kidney organoid maturation and cell type complexity is a significant step forward in the path to clinical translation. Furthermore, this approach is orthogonal to native tissue differentiation paths, hence readily adaptable to other organoid systems and thus has the potential for a broad impact on basic and translational organoid studies.
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Affiliation(s)
- Joseph C Maggiore
- Department of Developmental Biology, School of Medicine, University of Pittsburgh, Pittsburgh PA 15213, USA
| | - Ryan LeGraw
- Department of Pathology, Division of Experimental Pathology, School of Medicine, University of Pittsburgh, Pittsburgh PA 15213, USA
- Pittsburgh Liver Research Center, University of Pittsburgh, Pittsburgh, PA 15261, USA
| | - Aneta Przepiorski
- Department of Developmental Biology, School of Medicine, University of Pittsburgh, Pittsburgh PA 15213, USA
| | - Jeremy Velazquez
- Department of Pathology, Division of Experimental Pathology, School of Medicine, University of Pittsburgh, Pittsburgh PA 15213, USA
- Pittsburgh Liver Research Center, University of Pittsburgh, Pittsburgh, PA 15261, USA
| | - Christopher Chaney
- Department of Molecular Biology and Hamon Center for Regenerative Science and Medicine, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA
- Department of Internal Medicine, Division of Nephrology, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA
| | - Evan Streeter
- Department of Developmental Biology, School of Medicine, University of Pittsburgh, Pittsburgh PA 15213, USA
| | - Anne Silva-Barbosa
- Department of Pediatrics, School of Medicine, University of Pittsburgh, Pittsburgh PA, 15213
| | - Jonathan Franks
- Center for Biologic Imaging, University of Pittsburgh, Pittsburgh, PA 15213, USA
| | - Joshua Hislop
- Pittsburgh Liver Research Center, University of Pittsburgh, Pittsburgh, PA 15261, USA
- Department of Bioengineering, Swanson School of Engineering, University of Pittsburgh, Pittsburgh, PA 15261, USA
| | - Alex Hill
- Department of Pathology, Division of Experimental Pathology, School of Medicine, University of Pittsburgh, Pittsburgh PA 15213, USA
- Pittsburgh Liver Research Center, University of Pittsburgh, Pittsburgh, PA 15261, USA
| | - Haojia Wu
- Division of Nephrology, Department of Medicine, School of Medicine, Washington University in St. Louis, St. Louis, MO 63130
| | - Katherine Pfister
- Department of Pediatrics, School of Medicine, University of Pittsburgh, Pittsburgh PA, 15213
| | - Sara E Howden
- Murdoch Children's Research Institute, Melbourne, Victoria, Australia
| | - Simon C Watkins
- Center for Biologic Imaging, University of Pittsburgh, Pittsburgh, PA 15213, USA
| | - Melissa Little
- Murdoch Children's Research Institute, Melbourne, Victoria, Australia
- Department of Anatomy and Neuroscience, The University of Melbourne, Melbourne, Victoria, Australia
- Department of Paediatrics, The University of Melbourne, Melbourne, Victoria, Australia
| | - Benjamin D Humphreys
- Division of Nephrology, Department of Medicine, School of Medicine, Washington University in St. Louis, St. Louis, MO 63130
- Department of Developmental Biology, School of Medicine, Washington University in St. Louis, St. Louis, MO 63130
| | - Alan Watson
- Center for Biologic Imaging, University of Pittsburgh, Pittsburgh, PA 15213, USA
| | - Donna B Stolz
- Center for Biologic Imaging, University of Pittsburgh, Pittsburgh, PA 15213, USA
| | - Samira Kiani
- Department of Pathology, Division of Experimental Pathology, School of Medicine, University of Pittsburgh, Pittsburgh PA 15213, USA
- Pittsburgh Liver Research Center, University of Pittsburgh, Pittsburgh, PA 15261, USA
- Department of Bioengineering, Swanson School of Engineering, University of Pittsburgh, Pittsburgh, PA 15261, USA
- McGowan Institute for Regenerative Medicine, University of Pittsburgh, Pittsburgh, PA 15219, USA
| | - Alan J Davidson
- Department of Molecular Medicine and Pathology, University of Auckland, Auckland 1010, New Zealand
| | - Thomas J Carroll
- Department of Molecular Biology and Hamon Center for Regenerative Science and Medicine, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA
- Department of Internal Medicine, Division of Nephrology, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA
| | - Ondine Cleaver
- Department of Molecular Biology, UT Southwestern Medical Center, Dallas, TX 75390
| | - Sunder Sims-Lucas
- Department of Pediatrics, School of Medicine, University of Pittsburgh, Pittsburgh PA, 15213
| | - Mo R Ebrahimkhani
- Department of Pathology, Division of Experimental Pathology, School of Medicine, University of Pittsburgh, Pittsburgh PA 15213, USA
- Pittsburgh Liver Research Center, University of Pittsburgh, Pittsburgh, PA 15261, USA
- Department of Bioengineering, Swanson School of Engineering, University of Pittsburgh, Pittsburgh, PA 15261, USA
- McGowan Institute for Regenerative Medicine, University of Pittsburgh, Pittsburgh, PA 15219, USA
| | - Neil A Hukriede
- Department of Developmental Biology, School of Medicine, University of Pittsburgh, Pittsburgh PA 15213, USA
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83
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Liu W, Wang X, Feng Y. Restoring endothelial function: shedding light on cardiovascular stent development. Biomater Sci 2023. [PMID: 37161519 DOI: 10.1039/d3bm00390f] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/11/2023]
Abstract
Complete endothelialization is highly important for maintaining long-term patency and avoiding subsequent complications in implanting cardiovascular stents. It not only refers to endothelial cells (ECs) fully covering the inserted stents, but also includes the newly formed endothelium, which could exert physiological functions, such as anti-thrombosis and anti-stenosis. Clinical outcomes have indicated that endothelial dysfunction, especially the insufficiency of antithrombotic and barrier functions, is responsible for stent failure. Learning from vascular pathophysiology, endothelial dysfunction on stents is closely linked to the microenvironment of ECs. Evidence points to inflammatory responses, oxidative stress, altered hemodynamic shear stress, and impaired endothelial barrier affecting the normal growth of ECs, which are the four major causes of endothelial dysfunction. The related molecular mechanisms and efforts dedicated to improving the endothelial function are emphasized in this review. From the perspective of endothelial function, the design principles, advantages, and disadvantages behind current stents are introduced to enlighten the development of new-generation stents, aiming to offer new alternatives for restoring endothelial function.
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Affiliation(s)
- Wen Liu
- School of Chemical Engineering and Technology, Tianjin University, Yaguan Road 135, Tianjin 300350, P. R. China.
- Collaborative Innovation Center of Chemical Science and Chemical Engineering (Tianjin), Weijin Road 92, Tianjin 300072, P. R. China
| | - Xiaoyu Wang
- School of Chemical Engineering and Technology, Tianjin University, Yaguan Road 135, Tianjin 300350, P. R. China.
- Collaborative Innovation Center of Chemical Science and Chemical Engineering (Tianjin), Weijin Road 92, Tianjin 300072, P. R. China
| | - Yakai Feng
- School of Chemical Engineering and Technology, Tianjin University, Yaguan Road 135, Tianjin 300350, P. R. China.
- Collaborative Innovation Center of Chemical Science and Chemical Engineering (Tianjin), Weijin Road 92, Tianjin 300072, P. R. China
- Key Laboratory of Systems Bioengineering (Ministry of Education), Tianjin University, Weijin Road 92, Tianjin 300072, P. R. China
- Frontiers Science Center for Synthetic Biology, Tianjin University, Weijin Road 92, Tianjin 300072, China
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84
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Laboux T, Maanaoui M, Allain F, Boulanger E, Denys A, Gibier JB, Glowacki F, Grolaux G, Grunenwald A, Howsam M, Lancel S, Lebas C, Lopez B, Roumenina L, Provôt F, Gnemmi V, Frimat M. Hemolysis is associated with altered heparan sulfate of the endothelial glycocalyx and with local complement activation in thrombotic microangiopathies. Kidney Int 2023:S0085-2538(23)00327-7. [PMID: 37164260 DOI: 10.1016/j.kint.2023.03.039] [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: 05/22/2022] [Revised: 03/03/2023] [Accepted: 03/24/2023] [Indexed: 05/12/2023]
Abstract
The complement system plays a key role in the pathophysiology of kidney thrombotic microangiopathies (TMA), as illustrated by atypical hemolytic uremic syndrome. But complement abnormalities are not the only drivers of TMA lesions. Among other potential pathophysiological actors, we hypothesized that alteration of heparan sulfate (HS) in the endothelial glycocalyx could be important. To evaluate this, we analyzed clinical and histological features of kidney biopsies from a monocentric, retrospective cohort of 72 patients with TMA, particularly for HS integrity and markers of local complement activation. The role of heme (a major product of hemolysis) as an HS-degrading agent in vitro, and the impact of altering endothelial cell (ECs) HS on their ability to locally activate complement were studied. Compared with a positive control, glomerular HS staining was lower in 57 (79%) patients with TMA, moderately reduced in 20 (28%), and strongly reduced in 37 (51%) of these 57 cases. Strongly reduced HS density was significantly associated with both hemolysis at the time of biopsy and local complement activation (C3 and/or C5b-9 deposits). Using primary endothelial cells (HUVECs, Glomerular ECs), we observed decreased HS expression after short-term exposure to heme, and that artificial HS degradation by exposure to heparinase was associated with local complement activation. Further, prolonged exposure to heme modulated expression of several key genes of glycocalyx metabolism involved in coagulation regulation (C5-EPI, HS6ST1, HS3ST1). Thus, our study highlights the impact of hemolysis on the integrity of endothelial HS, both in patients and in endothelial cell models. Hence, acute alteration of HS may be a mechanism of heme-induced complement activation.
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Affiliation(s)
- Timothée Laboux
- University Lille, CHU Lille, Nephrology Department, Lille, France; University Lille, Inserm, CHU Lille, Institut Pasteur de Lille, U1167-RID-AGE, Lille, France.
| | - Mehdi Maanaoui
- University Lille, CHU Lille, Nephrology Department, Lille, France; University Lille, Inserm, Institut Pasteur de Lille, U1190 - EGID, Lille, France
| | | | - Eric Boulanger
- University Lille, Inserm, CHU Lille, Institut Pasteur de Lille, U1167-RID-AGE, Lille, France
| | - Agnès Denys
- University Lille, CNRS, UMR 8576 - UGSF, Lille, France
| | - Jean-Baptiste Gibier
- Univ. Lille, Pathology Department, F-59000, Lille, France; University Lille, Inserm, US1172, Lille, France
| | | | - Gaëlle Grolaux
- University Lille, Inserm, CHU Lille, Institut Pasteur de Lille, U1167-RID-AGE, Lille, France
| | - Anne Grunenwald
- Centre de Recherche des Cordeliers, INSERM, Sorbonne Université, Université de Paris, Paris, France
| | - Mike Howsam
- University Lille, Inserm, CHU Lille, Institut Pasteur de Lille, U1167-RID-AGE, Lille, France
| | - Steve Lancel
- University Lille, Inserm, CHU Lille, Institut Pasteur de Lille, U1167-RID-AGE, Lille, France
| | - Céline Lebas
- University Lille, CHU Lille, Nephrology Department, Lille, France
| | | | - Lubka Roumenina
- Centre de Recherche des Cordeliers, INSERM, Sorbonne Université, Université de Paris, Paris, France
| | - François Provôt
- University Lille, CHU Lille, Nephrology Department, Lille, France
| | - Viviane Gnemmi
- Univ. Lille, Pathology Department, F-59000, Lille, France; University Lille, CNRS, Inserm, U9020-UMR-S 1277, Lille, France
| | - Marie Frimat
- University Lille, CHU Lille, Nephrology Department, Lille, France; University Lille, Inserm, CHU Lille, Institut Pasteur de Lille, U1167-RID-AGE, Lille, France.
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85
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Zhai H, Ni L, Wu X. The roles of heme oxygenase-1 in renal disease. FRONTIERS IN NEPHROLOGY 2023; 3:1156346. [PMID: 37675385 PMCID: PMC10479750 DOI: 10.3389/fneph.2023.1156346] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/01/2023] [Accepted: 04/17/2023] [Indexed: 09/08/2023]
Abstract
Heme oxygenase (HO), a heat shock protein containing hemoglobin, is an important enzyme in heme catabolism. It is involved in cell homeostasis and has anti-inflammatory, antioxidant, anti-apoptosis, immunomodulation, and other functions. It is expressed at a modest level in most normal tissues. When the body suffers from ischemia hypoxia, injury, toxins, and other nociceptive stimuli, the expression increases, which can transform the oxidative microenvironment into an antioxidant environment to promote tissue recovery from damage. In recent years, research has continued to verify its value in a variety of human bodily systems. It is also regarded as a key target for the treatment of numerous disorders. With the advancement of studies, its significance in renal disease has gained increasing attention. It is thought to have a significant protective function in preventing acute kidney injury and delaying the progression of chronic renal diseases. Its protective mechanisms include anti-inflammatory, antioxidant, cell cycle regulation, apoptosis inhibition, hemodynamic regulation, and other aspects, which have been demonstrated in diverse animal models. Furthermore, as a protective factor, its potential therapeutic efficacy in renal disease has recently become a hot area of research. Although a large number of preclinical trials have confirmed its therapeutic potential in reducing kidney injury, due to the problems and side effects of HO-1 induction therapy, its efficacy and safety in clinical application need to be further explored. In this review, we summarize the current state of research on the mechanism, location, and treatment of HO and its relationship with various renal diseases.
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Affiliation(s)
- Hongfu Zhai
- Department of Nephrology, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Lihua Ni
- Department of Nephrology, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Xiaoyan Wu
- Department of Nephrology, Zhongnan Hospital of Wuhan University, Wuhan, China
- Department of General Practice, Zhongnan Hospital of Wuhan University, Wuhan, China
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Li M, Wang D, Liu Z, Huang Y, Zhang Q, Pan C, Lin Y, Sun L, Zheng Y. Assessing the effects of aging on the renal endothelial cell landscape using single-cell RNA sequencing. Front Genet 2023; 14:1175716. [PMID: 37214419 PMCID: PMC10196692 DOI: 10.3389/fgene.2023.1175716] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2023] [Accepted: 04/13/2023] [Indexed: 05/24/2023] Open
Abstract
Endothelial cells (ECs) with senescence-associated secretory phenotypes (SASP) have been identified as a key mechanism of aging that contributes to various age-related kidney diseases. In this study, we used single-cell RNA sequencing (scRNA-seq) to create a transcriptome atlas of murine renal ECs and identify transcriptomic changes that occur during aging. We identified seven different subtypes of renal ECs, with glomerular ECs and angiogenic ECs being the most affected by senescence. We confirmed our scRNA-seq findings by using double immunostaining for an EC marker (CD31) and markers of specialized EC phenotypes. Our analysis of the dynamics of capillary lineage development revealed a chronic state of inflammation and compromised glomerular function as prominent aging features. Additionally, we observed an elevated pro-inflammatory and pro-coagulant microenvironment in aged glomerular ECs, which may contribute to age-related glomerulosclerosis and renal fibrosis. Through intercellular communication analysis, we also identified changes in signaling involved in immune regulation that may contribute to a hostile microenvironment for renal homeostasis and function. Overall, our findings provide new insights into the mechanisms of aging in the renal endothelium and may pave the way for the discovery of diagnostic biomarkers and therapeutic interventions against age-related kidney diseases.
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Affiliation(s)
- Mengke Li
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangdong Provincial Key Laboratory of Ophthalmology and Visual Science, Guangzhou, China
- Research Unit of Ocular Development and Regeneration, Chinese Academy of Medical Sciences, Beijing, China
| | - Dongliang Wang
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangdong Provincial Key Laboratory of Ophthalmology and Visual Science, Guangzhou, China
| | - Zhong Liu
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangdong Provincial Key Laboratory of Ophthalmology and Visual Science, Guangzhou, China
| | - Yanjing Huang
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangdong Provincial Key Laboratory of Ophthalmology and Visual Science, Guangzhou, China
| | - Qikai Zhang
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangdong Provincial Key Laboratory of Ophthalmology and Visual Science, Guangzhou, China
| | - Caineng Pan
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangdong Provincial Key Laboratory of Ophthalmology and Visual Science, Guangzhou, China
| | - Yuheng Lin
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangdong Provincial Key Laboratory of Ophthalmology and Visual Science, Guangzhou, China
| | - Li Sun
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangdong Provincial Key Laboratory of Ophthalmology and Visual Science, Guangzhou, China
| | - Yingfeng Zheng
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangdong Provincial Key Laboratory of Ophthalmology and Visual Science, Guangzhou, China
- Research Unit of Ocular Development and Regeneration, Chinese Academy of Medical Sciences, Beijing, China
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87
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Ito Y, Sun T, Tanaka H, Yamaguchi M, Kinashi H, Sakata F, Kunoki S, Sakai Y, Ishimoto T. Tissue Sodium Accumulation Induces Organ Inflammation and Injury in Chronic Kidney Disease. Int J Mol Sci 2023; 24:ijms24098329. [PMID: 37176037 PMCID: PMC10179540 DOI: 10.3390/ijms24098329] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2022] [Revised: 05/01/2023] [Accepted: 05/03/2023] [Indexed: 05/15/2023] Open
Abstract
High salt intake is a primary cause of over-hydration in chronic kidney disease (CKD) patients. Inflammatory markers are predictors of CKD mortality; however, the pathogenesis of inflammation remains unclear. Sodium storage in tissues has recently emerged as an issue of concern. The binding of sodium to tissue glycosaminoglycans and its subsequent release regulates local tonicity. Many cell types express tonicity-responsive enhancer-binding protein (TonEBP), which is activated in a tonicity-dependent or tonicity-independent manner. Macrophage infiltration was observed in the heart, peritoneal wall, and para-aortic tissues in salt-loading subtotal nephrectomized mice, whereas macrophages were not prominent in tap water-loaded subtotal nephrectomized mice. TonEBP was increased in the heart and peritoneal wall, leading to the upregulation of inflammatory mediators associated with cardiac fibrosis and peritoneal membrane dysfunction, respectively. Reducing salt loading by a diuretic treatment or changing to tap water attenuated macrophage infiltration, TonEBP expression, and inflammatory marker expression. The role of TonEBP may be crucial during the cardiac fibrosis and peritoneal deterioration processes induced by sodium overload. Anti-interleukin-6 therapy improved cardiac inflammation and fibrosis and peritoneal membrane dysfunction. Further studies are necessary to establish a strategy to regulate organ dysfunction induced by TonEBP activation in CKD patients.
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Affiliation(s)
- Yasuhiko Ito
- Department of Nephrology and Rheumatology, Aichi Medical University, Nagakute 480-1195, Japan
| | - Ting Sun
- Department of Nephrology and Rheumatology, Aichi Medical University, Nagakute 480-1195, Japan
| | - Hiroya Tanaka
- Department of Nephrology and Rheumatology, Aichi Medical University, Nagakute 480-1195, Japan
| | - Makoto Yamaguchi
- Department of Nephrology and Rheumatology, Aichi Medical University, Nagakute 480-1195, Japan
| | - Hiroshi Kinashi
- Department of Nephrology and Rheumatology, Aichi Medical University, Nagakute 480-1195, Japan
| | - Fumiko Sakata
- Department of Nephrology, Nagoya University Graduate School of Medicine, Nagoya 464-0813, Japan
| | - Shunnosuke Kunoki
- Department of Nephrology and Rheumatology, Aichi Medical University, Nagakute 480-1195, Japan
- Department of Nephrology, Nippon Medical School, Tokyo 113-8602, Japan
| | - Yukinao Sakai
- Department of Nephrology, Nippon Medical School, Tokyo 113-8602, Japan
| | - Takuji Ishimoto
- Department of Nephrology and Rheumatology, Aichi Medical University, Nagakute 480-1195, Japan
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88
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Donnan MD, Deb DK, David V, Quaggin SE. VEGF-C overexpression in kidney progenitor cells is a model of renal lymphangiectasia. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.05.03.538868. [PMID: 37205366 PMCID: PMC10187188 DOI: 10.1101/2023.05.03.538868] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/21/2023]
Abstract
Background Lymphangiogenesis is believed to be a protective response in the setting of multiple forms of kidney injury and mitigates the progression of interstitial fibrosis. To augment this protective response, promoting kidney lymphangiogenesis is being investigated as a potential treatment to slow the progression of kidney disease.As injury related lymphangiogenesis is driven by signaling from the receptor VEGFR-3 in response to the cognate growth factor VEGF-C released by tubular epithelial cells, this signaling pathway is a candidate for future kidney therapeutics. However, the consequences to kidney development and function to targeting this signaling pathway remains poorly defined. Methods We generated a new mouse model expressing Vegf-C under regulation of the nephron progenitor Six2Cre driver strain (Six2Vegf-C). Mice underwent a detailed phenotypic evaluation. Whole kidneys were processed for histology and micro computed tomography 3-dimensional imaging. Results Six2Vegf-C mice had reduced body weight and kidney function compared to littermate controls. Six2Vegf-C kidneys demonstrated large peripelvic fluid filled lesions with distortion of the pelvicalcyceal system which progressed in severity with age. 3D imaging showed a 3-fold increase in total cortical vascular density. Histology confirmed a substantial increase in LYVE1+/PDPN+/VEGFR3+ lymphatic capillaries extending alongside EMCN+ peritubular capillaries. There was no change in EMCN+ peritubular capillary density. Conclusions Kidney lymphangiogenesis was robustly induced in the Six2Vegf-C mice. There were no changes in peritubular blood capillary density despite these endothelial cells also expressing VEGFR-3. The model resulted in a severe cystic kidney phenotype that resembled a human condition termed renal lymphangiectasia. This study defines the vascular consequences of augmenting VEGF-C signaling during kidney development and provides new insight into a mimicker of human cystic kidney disease.
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Affiliation(s)
- Michael D Donnan
- Northwestern University Feinberg School of Medicine, Chicago, IL, United States
| | - Dilip K Deb
- Northwestern University Feinberg School of Medicine, Chicago, IL, United States
| | - Valentin David
- Northwestern University Feinberg School of Medicine, Chicago, IL, United States
| | - Susan E Quaggin
- Northwestern University Feinberg School of Medicine, Chicago, IL, United States
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89
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Shevchuk O, Palii S, Pak A, Chantada N, Seoane N, Korda M, Campos-Toimil M, Álvarez E. Vessel-on-a-Chip: A Powerful Tool for Investigating Endothelial COVID-19 Fingerprints. Cells 2023; 12:cells12091297. [PMID: 37174696 PMCID: PMC10177552 DOI: 10.3390/cells12091297] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2023] [Revised: 04/21/2023] [Accepted: 04/30/2023] [Indexed: 05/15/2023] Open
Abstract
Coronavirus disease (COVID-19) causes various vascular and blood-related reactions, including exacerbated responses. The role of endothelial cells in this acute response is remarkable and may remain important beyond the acute phase. As we move into a post-COVID-19 era (where most people have been or will be infected by the SARS-CoV-2 virus), it is crucial to define the vascular consequences of COVID-19, including the long-term effects on the cardiovascular system. Research is needed to determine whether chronic endothelial dysfunction following COVID-19 could lead to an increased risk of cardiovascular and thrombotic events. Endothelial dysfunction could also serve as a diagnostic and therapeutic target for post-COVID-19. This review covers these topics and examines the potential of emerging vessel-on-a-chip technology to address these needs. Vessel-on-a-chip would allow for the study of COVID-19 pathophysiology in endothelial cells, including the analysis of SARS-CoV-2 interactions with endothelial function, leukocyte recruitment, and platelet activation. "Personalization" could be implemented in the models through induced pluripotent stem cells, patient-specific characteristics, or genetic modified cells. Adaptation for massive testing under standardized protocols is now possible, so the chips could be incorporated for the personalized follow-up of the disease or its sequalae (long COVID) and for the research of new drugs against COVID-19.
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Affiliation(s)
- Oksana Shevchuk
- Department of Pharmacology and Clinical Pharmacology, I. Horbachevsky Ternopil National Medical University, 46001 Ternopil, Ukraine
| | - Svitlana Palii
- Department of Pharmacology and Clinical Pharmacology, I. Horbachevsky Ternopil National Medical University, 46001 Ternopil, Ukraine
| | - Anastasiia Pak
- Department of Medical Biochemistry, I. Horbachevsky Ternopil National Medical University, 46001 Ternopil, Ukraine
| | - Nuria Chantada
- Departamento de Farmacología, Farmacia y Tecnología Farmacéutica, Universidade de Santiago de Compostela, 15782 Santiago de Compostela, Spain
| | - Nuria Seoane
- Physiology and Pharmacology of Chronic Diseases (FIFAEC) Center for Research in Molecular Medicine and Chronic Diseases (CiMUS), University of Santiago de Compostela, 15782 Santiago de Compostela, Spain
| | - Mykhaylo Korda
- Department of Medical Biochemistry, I. Horbachevsky Ternopil National Medical University, 46001 Ternopil, Ukraine
| | - Manuel Campos-Toimil
- Departamento de Farmacología, Farmacia y Tecnología Farmacéutica, Universidade de Santiago de Compostela, 15782 Santiago de Compostela, Spain
- Physiology and Pharmacology of Chronic Diseases (FIFAEC) Center for Research in Molecular Medicine and Chronic Diseases (CiMUS), University of Santiago de Compostela, 15782 Santiago de Compostela, Spain
| | - Ezequiel Álvarez
- Departamento de Farmacología, Farmacia y Tecnología Farmacéutica, Universidade de Santiago de Compostela, 15782 Santiago de Compostela, Spain
- Instituto de Investigación Sanitaria de Santiago de Compostela (IDIS), Complexo Hospitalario Universitario de Santiago de Compostela (CHUS), SERGAS, Travesía da Choupana s/n, 15706 Santiago de Compostela, Spain
- CIBERCV, Institute of Health Carlos III, 28220 Madrid, Spain
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90
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Ricci TA, Boonpattrawong N, Laher I, Devlin AM. Maternal nutrition and effects on offspring vascular function. Pflugers Arch 2023:10.1007/s00424-023-02807-x. [PMID: 37041303 DOI: 10.1007/s00424-023-02807-x] [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: 02/14/2023] [Revised: 03/24/2023] [Accepted: 03/27/2023] [Indexed: 04/13/2023]
Abstract
Maternal nutrition during pregnancy may have profound effects on the developing fetus and impact risk for cardiovascular disease later in life. Here, we provide a narrative review on the impact of maternal diet during pregnancy on offspring vascular function. We review studies reporting effects of maternal micronutrient (folic acid, iron) intakes, high-fat diets, dietary energy restriction, and low protein intake on offspring endothelial function. We discuss the differences in study design and outcomes and potential underlying mechanisms contributing to the vascular phenotypes observed in the offspring. We further highlight key gaps in the literature and identify targets for future investigations.
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Affiliation(s)
- Taylor A Ricci
- Department of Pediatrics, The University of British Columbia, Vancouver, British Columbia, Canada
- BC Children's Hospital Research Institute, Vancouver, British Columbia, Canada
| | - Nicha Boonpattrawong
- BC Children's Hospital Research Institute, Vancouver, British Columbia, Canada
- Department of Pathology and Laboratory Medicine, The University of British Columbia, Vancouver, British Columbia, Canada
| | - Ismail Laher
- Department of Anesthesiology, Pharmacology, and Therapeutics, The University of British Columbia, Vancouver, British Columbia, Canada
| | - Angela M Devlin
- Department of Pediatrics, The University of British Columbia, Vancouver, British Columbia, Canada.
- BC Children's Hospital Research Institute, Vancouver, British Columbia, Canada.
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91
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Meng J, Geng Q, Jin S, Teng X, Xiao L, Wu Y, Tian D. Exercise protects vascular function by countering senescent cells in older adults. Front Physiol 2023; 14:1138162. [PMID: 37089434 PMCID: PMC10118010 DOI: 10.3389/fphys.2023.1138162] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2023] [Accepted: 03/29/2023] [Indexed: 04/25/2023] Open
Abstract
Blood vessels are key conduits for the transport of blood and circulating factors. Abnormalities in blood vessels promote cardiovascular disease (CVD), which has become the most common disease as human lifespans extend. Aging itself is not pathogenic; however, the decline of physiological and biological function owing to aging has been linked to CVD. Although aging is a complex phenomenon that has not been comprehensively investigated, there is accumulating evidence that cellular senescence aggravates various pathological changes associated with aging. Emerging evidence shows that approaches that suppress or eliminate cellular senescence preserve vascular function in aging-related CVD. However, most pharmacological therapies for treating age-related CVD are inefficient. Therefore, effective approaches to treat CVD are urgently required. The benefits of exercise for the cardiovascular system have been well documented in basic research and clinical studies; however, the mechanisms and optimal frequency of exercise for promoting cardiovascular health remain unknown. Accordingly, in this review, we have discussed the changes in senescent endothelial cells (ECs) and vascular smooth muscle cells (VSMCs) that occur in the progress of CVD and the roles of physical activity in CVD prevention and treatment.
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Affiliation(s)
- Jinqi Meng
- Department of Sports, Hebei Medical University, Shijiazhuang, China
| | - Qi Geng
- Hebei Key Lab of Laboratory Animal Science, Hebei Medical University, Shijiazhuang, China
| | - Sheng Jin
- Department of Physiology, Hebei Medical University, Shijiazhuang, China
| | - Xu Teng
- Department of Physiology, Hebei Medical University, Shijiazhuang, China
| | - Lin Xiao
- Department of Physiology, Hebei Medical University, Shijiazhuang, China
| | - Yuming Wu
- Department of Physiology, Hebei Medical University, Shijiazhuang, China
| | - Danyang Tian
- Department of Physiology, Hebei Medical University, Shijiazhuang, China
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92
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Choi Y, Jacobs DR, Kramer HJ, Shroff GR, Chang AR, Duprez DA. Nontraditional Risk Factors for Progression Through Chronic Kidney Disease Risk Categories: The Coronary Artery Risk Development in Young Adults Study. Am J Med 2023; 136:380-389.e10. [PMID: 36565799 PMCID: PMC10038875 DOI: 10.1016/j.amjmed.2022.12.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/11/2022] [Revised: 11/29/2022] [Accepted: 12/05/2022] [Indexed: 12/24/2022]
Abstract
BACKGROUND There may be nontraditional pathways of chronic kidney disease (CKD) progression that are complementary to classical pathways. Therefore, we aimed to examine nontraditional risk factors for incident CKD and its progression. METHODS We used the generally healthy population (n = 4382) starting at age 27-41 years in the Coronary Artery Risk Development in Young Adults (CARDIA) cohort, which is an observational longitudinal study. Nontraditional risk factors included forced vital capacity, inflammation, serum urate, and serum carotenoids. CKD risk category was classified using the estimated glomerular filtration rate (eGFR) and urinary albumin-to-creatinine ratio (UACR) measured in 1995-1996 and repeated every 5 years for 20 years: No CKD, low risk, moderate risk, high risk, and very high risk. RESULTS At baseline, 84.8% had no CKD (eGFR ≥60 mL/min/1.73 m2 and UACR <10 mg/g), 10.3% were in the low risk (eGFR ≥60 and UACR 10-29), and 4.9% had CKD (eGFR <60 and/or UACR ≥ 30). Nontraditional risk factors were significantly associated with the progression of CKD to higher categories. Hazard ratios per standard deviation of the predictor for incident CKD and its progression from the No CKD and low and moderate risk into CKD were inverse for forced vital capacity and serum carotenoids and positive for serum urate, GlycA, and C-reactive protein, the first 3 even after adjustment for conventional risk factors. CONCLUSION Several nontraditional markers were significantly associated with an increased risk of progression to higher CKD categories in generally healthy young to middle-aged adults.
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Affiliation(s)
- Yuni Choi
- Division of Epidemiology and Community Health, School of Public Health, University of Minnesota, Minneapolis
| | - David R Jacobs
- Division of Epidemiology and Community Health, School of Public Health, University of Minnesota, Minneapolis
| | - Holly J Kramer
- Departments of Public Health Sciences and Medicine, Loyola University Chicago, Maywood, Ill
| | - Gautam R Shroff
- Division of Cardiology and Department of Medicine, Hennepin Healthcare, University of Minnesota Medical School, Minneapolis
| | - Alexander R Chang
- Department of Population of Health Sciences, Kidney Health Research Institute, Department of Nephrology, Geisinger Medical Center, Danville, Penn
| | - Daniel A Duprez
- Cardiovascular Division, Department of Medicine, University of Minnesota, Minneapolis.
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93
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Marzoog BA. Endothelial cell autophagy in the context of disease development. Anat Cell Biol 2023; 56:16-24. [PMID: 36267005 PMCID: PMC9989784 DOI: 10.5115/acb.22.098] [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: 05/11/2022] [Revised: 09/13/2022] [Accepted: 09/23/2022] [Indexed: 11/27/2022] Open
Abstract
Endothelial cells (EC) are the anatomical boundaries between the intravascular and extravascular space. Damage to ECs is catastrophic and induces endothelial cell dysfunction. The pathogenesis is multifactorial and involves dysregulation in the signaling pathways, membrane lipids ratio disturbance, cell-cell adhesion disturbance, unfolded protein response, lysosomal and mitochondrial stress, autophagy dysregulation, and oxidative stress. Autophagy is a lysosomal-dependent turnover of intracellular components. Autophagy was recognized early in the pathogenesis of endothelial dysfunction. Autophagy is a remarkable patho (physiological) process in the cell homeostasis regulation including EC. Regulation of autophagy rate is disease-dependent and impaired with aging. Up-regulation of autophagy induces endothelial cell regeneration/differentiation and improves the function of impaired ones. The paper scrutinizes the molecular mechanisms and triggers of EC dysregulation and current perspectives for future therapeutic strategies by autophagy targeting.
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94
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Wang C, Li SW, Zhong X, Liu BC, Lv LL. An update on renal fibrosis: from mechanisms to therapeutic strategies with a focus on extracellular vesicles. Kidney Res Clin Pract 2023; 42:174-187. [PMID: 37037480 PMCID: PMC10085720 DOI: 10.23876/j.krcp.22.159] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2022] [Accepted: 09/06/2022] [Indexed: 04/03/2023] Open
Abstract
The increasing prevalence of chronic kidney disease (CKD) is a major global public health concern. Despite the complicated pathogenesis of CKD, renal fibrosis represents the most common pathological condition, comprised of progressive accumulation of extracellular matrix in the diseased kidney. Over the last several decades, tremendous progress in understanding the mechanism of renal fibrosis has been achieved, and corresponding potential therapeutic strategies targeting fibrosis-related signaling pathways are emerging. Importantly, extracellular vesicles (EVs) contribute significantly to renal inflammation and fibrosis by mediating cellular communication. Increasing evidence suggests the potential of EV-based therapy in renal inflammation and fibrosis, which may represent a future direction for CKD therapy.
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Affiliation(s)
| | | | | | | | - Lin-Li Lv
- Correspondence: Lin-Li Lv Institute of Nephrology, Zhong Da Hospital, Southeast University School of Medicine, 87 Ding Jia Qiao Road, Nanjing 210009, China. E-mail:
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95
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Chyła-Danił G, Sałaga-Zaleska K, Kreft E, Krzesińska A, Herman S, Kuchta A, Sakowicz-Burkiewicz M, Lenartowicz M, Jankowski M. Suramin Affects the Renal VEGF-A/VEGFR Axis in Short-Term Streptozotocin-Induced Diabetes. Pharmaceuticals (Basel) 2023; 16:ph16030470. [PMID: 36986570 PMCID: PMC10053825 DOI: 10.3390/ph16030470] [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: 02/21/2023] [Revised: 03/15/2023] [Accepted: 03/20/2023] [Indexed: 03/30/2023] Open
Abstract
Diabetic nephropathy (DN) accounts for approximately 50% of end-stage renal diseases. Vascular endothelial growth factor A (VEGF-A) is thought to be a critical mediator of vascular dysfunction in DN, but its role is unclear. The lack of pharmacological tools to modify renal concentrations further hinders the understanding of its role in DN. In this study, rats were evaluated after 3 weeks of streptozotocin-induced diabetes and two suramin treatments (10 mg/kg, ip). Vascular endothelial growth factor A expression was evaluated by western blot of glomeruli and immunofluorescence of the renal cortex. RT-PCR for receptors Vegfr1 mRNA and Vegfr2 mRNA quantitation was performed. The soluble adhesive molecules (sICAM-1, sVCAM-1) in blood were measured by ELISA and the vasoreactivity of interlobar arteries to acetylcholine was evaluated using wire myography. Suramin administration reduced the expression and intraglomerular localisation of VEGF-A. Increased VEGFR-2 expression in diabetes was reduced by suramin to non-diabetic levels. Diabetes reduced the sVCAM-1 concentrations. Suramin in diabetes restored acetylcholine relaxation properties to non-diabetic levels. In conclusion, suramin affects the renal VEGF-A/VEGF receptors axis and has a beneficial impact on endothelium-dependent relaxation of renal arteries. Thus, suramin may be used as a pharmacological agent to investigate the potential role of VEGF-A in the pathogenesis of renal vascular complications in short-term diabetes.
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Affiliation(s)
- Gabriela Chyła-Danił
- Department of Clinical Chemistry, Medical University of Gdańsk, Dębinki 7, 80-210 Gdańsk, Poland
| | - Kornelia Sałaga-Zaleska
- Department of Clinical Chemistry, Medical University of Gdańsk, Dębinki 7, 80-210 Gdańsk, Poland
| | - Ewelina Kreft
- Department of Clinical Chemistry, Medical University of Gdańsk, Dębinki 7, 80-210 Gdańsk, Poland
| | - Aleksandra Krzesińska
- Department of Clinical Chemistry, Medical University of Gdańsk, Dębinki 7, 80-210 Gdańsk, Poland
| | - Sylwia Herman
- Laboratory of Genetics and Evolutionism, Institute of Zoology and Biomedical Research, Jagiellonian University, Gronostajowa 9, 30-387 Kraków, Poland
| | - Agnieszka Kuchta
- Department of Clinical Chemistry, Medical University of Gdańsk, Dębinki 7, 80-210 Gdańsk, Poland
| | | | - Małgorzata Lenartowicz
- Laboratory of Genetics and Evolutionism, Institute of Zoology and Biomedical Research, Jagiellonian University, Gronostajowa 9, 30-387 Kraków, Poland
| | - Maciej Jankowski
- Department of Clinical Chemistry, Medical University of Gdańsk, Dębinki 7, 80-210 Gdańsk, Poland
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96
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Morphological and mitochondrial changes in murine choroid plexus epithelial cells during healthy aging. Fluids Barriers CNS 2023; 20:19. [PMID: 36918889 PMCID: PMC10012601 DOI: 10.1186/s12987-023-00420-9] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2022] [Accepted: 02/27/2023] [Indexed: 03/16/2023] Open
Abstract
BACKGROUND Choroid plexuses (ChPs) are intraventricular structures mainly composed by specialized epithelial cells interconnected by tight junctions that establish the blood-cerebrospinal fluid (CSF) barrier. ChPs are essential to produce CSF and transport solutes from and into the brain. Deterioration of ChP function and morphology has been correlated to worsening of neurodegenerative disorders. We here map morpho-functional changes in the ChP epithelial cells during healthy aging, starting from young adult to 2-years old mice. METHODS We used a multi-tiered approach, including transmission electron microscopy (TEM), immunohistochemistry, RT-qPCR, Western Blot and 2-photon microscopy (2-PM) at multiple timepoints ranging from young adult to 2-years old mice. RESULTS We identified distinct morpho-functional modifications in epithelial cells of ChP starting from 8 to 12 months of age, which mostly remained stable up to 2 years. These changes include flattening of the epithelium, reduction of microvilli length and an augmentation of interrupted tight junctions. We also found a decrease in mitochondria density together with elongation of mitochondria in older mice. Morphological mitochondrial rearrangements were accompanied by increased superoxide levels, decreased membrane potential and decreased mitochondrial motility in aged mice. Interestingly, most of the age-related changes were not accompanied by modification of protein and/or gene expression levels and aged mitochondria effectively responded to acute pharmacological stressful stimuli. CONCLUSIONS Our study suggests a long-term progression of multiple morpho-functional features of the mouse choroid plexus epithelium during adulthood followed by structural remodeling during the aging process. These findings can lead to a better understanding on how functional and morphological rearrangements of ChP are correlated during aging.
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Abstract
Vascular endothelial cells form the inner layer of blood vessels where they have a key role in the development and maintenance of the functional circulatory system and provide paracrine support to surrounding non-vascular cells. Technical advances in the past 5 years in single-cell genomics and in in vivo genetic labelling have facilitated greater insights into endothelial cell development, plasticity and heterogeneity. These advances have also contributed to a new understanding of the timing of endothelial cell subtype differentiation and its relationship to the cell cycle. Identification of novel tissue-specific gene expression patterns in endothelial cells has led to the discovery of crucial signalling pathways and new interactions with other cell types that have key roles in both tissue maintenance and disease pathology. In this Review, we describe the latest findings in vascular endothelial cell development and diversity, which are often supported by large-scale, single-cell studies, and discuss the implications of these findings for vascular medicine. In addition, we highlight how techniques such as single-cell multimodal omics, which have become increasingly sophisticated over the past 2 years, are being utilized to study normal vascular physiology as well as functional perturbations in disease.
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Affiliation(s)
- Emily Trimm
- Stanford Medical Scientist Training Program, Stanford University School of Medicine, Stanford, CA, USA
- Stanford Biophysics Program, Stanford University School of Medicine, Stanford, CA, USA
| | - Kristy Red-Horse
- Department of Biology, Stanford University, Stanford, CA, USA.
- Institute for Stem Cell Biology and Regenerative Medicine, Stanford University School of Medicine, Stanford, CA, USA.
- Howard Hughes Medical Institute, Stanford University, Stanford, CA, USA.
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Rossi GP, Barton M, Dhaun N, Rizzoni D, Seccia TM. Challenges in the evaluation of endothelial cell dysfunction: a statement from the European Society of Hypertension Working Group on Endothelin and Endothelial Factors. J Hypertens 2023; 41:369-379. [PMID: 36728915 DOI: 10.1097/hjh.0000000000003314] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
Endothelial cell function is mediated by different mechanisms in different vascular beds. Moreover, in humans, endothelial cell dysfunction triggers and accelerates the progression of cardiovascular and chronic kidney diseases. Progression of such diseases can be in part mitigated by the control of cardiovascular risk factors and drugs targeting different systems, including endothelin receptor antagonists (ERAs), renin-angiotensin aldosterone antagonists and agents affecting glucose metabolism, all of which were shown to improve endothelial cell function. In recent years, the microRNAs, which are endogenous regulators of gene expression, have been identified as transmitters of information from endothelial cells to vascular smooth muscle cells, suggesting that they can entail tools to assess the endothelial cell dysfunction in arterial hypertension and target for pharmacologic intervention. This article critically reviews current challenges and limitations of available techniques for the invasive and noninvasive assessment of endothelial cell function, and also discusses therapeutic aspects as well as directions for future research in the areas of endothelial cell biology and pathophysiology in humans.
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Affiliation(s)
- Gian Paolo Rossi
- Emergency Medicine Unit and European Society of Hypertension Specialized Center of Excellence for Hypertension, Department of Medicine-DIMED, University of Padua, Padova, Italy
| | - Matthias Barton
- Molecular Internal Medicine, University of Zürich, and Andreas Grüntzig Foundation, Zürich, Switzerland
| | - Neeraj Dhaun
- University/British Heart Foundation Centre of Research Excellence, Queen's Medical Research Institute, University of Edinburgh, Edinburgh, UK
| | - Damiano Rizzoni
- Department of Clinical and Experimental Sciences, University of Brescia and Division of Medicine, Istituto Clinico Città di Brescia, Brescia, Italy
| | - Teresa M Seccia
- Emergency Medicine Unit and European Society of Hypertension Specialized Center of Excellence for Hypertension, Department of Medicine-DIMED, University of Padua, Padova, Italy
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99
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The Mechanism of Hyperglycemia-Induced Renal Cell Injury in Diabetic Nephropathy Disease: An Update. Life (Basel) 2023; 13:life13020539. [PMID: 36836895 PMCID: PMC9967500 DOI: 10.3390/life13020539] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2023] [Revised: 02/12/2023] [Accepted: 02/14/2023] [Indexed: 02/17/2023] Open
Abstract
Diabetic Nephropathy (DN) is a serious complication of type I and II diabetes. It develops from the initial microproteinuria to end-stage renal failure. The main initiator for DN is chronic hyperglycemia. Hyperglycemia (HG) can stimulate the resident and non-resident renal cells to produce humoral mediators and cytokines that can lead to functional and phenotypic changes in renal cells and tissues, interference with cell growth, interacting proteins, advanced glycation end products (AGEs), etc., ultimately resulting in glomerular and tubular damage and the onset of kidney disease. Therefore, poor blood glucose control is a particularly important risk factor for the development of DN. In this paper, the types and mechanisms of DN cell damage are classified and summarized by reviewing the related literature concerning the effect of hyperglycemia on the development of DN. At the cellular level, we summarize the mechanisms and effects of renal damage by hyperglycemia. This is expected to provide therapeutic ideas and inspiration for further studies on the treatment of patients with DN.
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100
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Ribatti D, Ligresti G, Nicosia RF. Kidney endothelial cell heterogeneity, angiocrine activity and paracrine regulatory mechanisms. Vascul Pharmacol 2023; 148:107139. [PMID: 36539108 PMCID: PMC10828957 DOI: 10.1016/j.vph.2022.107139] [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: 08/30/2022] [Revised: 12/07/2022] [Accepted: 12/15/2022] [Indexed: 12/23/2022]
Abstract
The blood microvascular endothelium consists of a heterogeneous population of cells with regionally distinct morphologies and transcriptional signatures in different tissues and organs. In addition to providing an anti-thrombogenic surface for blood flow, endothelial cells perform a multitude of additional regulatory tasks involving organogenesis, metabolism, angiogenesis, inflammation, repair and organ homeostasis. To communicate with surrounding cells and accomplish their many functions, endothelial cells secrete angiocrine factors including growth factors, chemokines, cytokines, extracellular matrix components, and proteolytic enzymes. Nonendothelial parenchymal and stromal cells in turn regulate endothelial growth, differentiation and survival during embryonal development and in the adult by paracrine mechanisms. Driven by advances in molecular biology, animal genetics, single cell transcriptomics and microscopic imaging, knowledge of organotypic vasculatures has expanded rapidly in recent years. The kidney vasculature, in particular, has been the focus of intensive investigation and represents a primary example of how endothelial heterogeneity and crosstalk with nonendothelial cells contribute to the development and function of a vital organ. In this paper, we review the morphology, function, and development of the kidney vasculature, with an emphasis on blood microvascular endothelial heterogeneity, and provide examples of endothelial and nonendothelial-derived factors that are critically involved in kidney development, growth, response to injury, and homeostasis.
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Affiliation(s)
- Domenico Ribatti
- Dipartimento di Scienze Mediche di Base, Neuroscienze e Organi di Senso (SMBNOS), Universita' degli Studi Aldo Moro, Policlinico, Piazza G. Cesare, 11, - Bari, Italy.
| | - Giovanni Ligresti
- Department of Medicine, Boston University School of Medicine, 72 East Concord Street, Boston, MA 02118, United States of America
| | - Roberto F Nicosia
- Department of Laboratory Medicine and Pathology, University of Washington, Box 356100, 1959 NE Pacific St, Seattle, WA 98195, United States of America
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