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Njeim R, Merscher S, Fornoni A. Mechanisms and implications of podocyte autophagy in chronic kidney disease. Am J Physiol Renal Physiol 2024; 326:F877-F893. [PMID: 38601984 PMCID: PMC11386983 DOI: 10.1152/ajprenal.00415.2023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2023] [Revised: 03/27/2024] [Accepted: 03/27/2024] [Indexed: 04/12/2024] Open
Abstract
Autophagy is a protective mechanism through which cells degrade and recycle proteins and organelles to maintain cellular homeostasis and integrity. An accumulating body of evidence underscores the significant impact of dysregulated autophagy on podocyte injury in chronic kidney disease (CKD). In this review, we provide a comprehensive overview of the diverse types of autophagy and their regulation in cellular homeostasis, with a specific emphasis on podocytes. Furthermore, we discuss recent findings that focus on the functional role of different types of autophagy during podocyte injury in chronic kidney disease. The intricate interplay between different types of autophagy and podocyte health requires further research, which is critical for understanding the pathogenesis of CKD and developing targeted therapeutic interventions.
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Affiliation(s)
- Rachel Njeim
- Katz Family Division of Nephrology and Hypertension, Department of Medicine, University of Miami Miller School of Medicine, Miami, Florida, United States
- Peggy and Harold Katz Family Drug Discovery Center, University of Miami Miller School of Medicine, Miami, Florida, United States
| | - Sandra Merscher
- Katz Family Division of Nephrology and Hypertension, Department of Medicine, University of Miami Miller School of Medicine, Miami, Florida, United States
- Peggy and Harold Katz Family Drug Discovery Center, University of Miami Miller School of Medicine, Miami, Florida, United States
| | - Alessia Fornoni
- Katz Family Division of Nephrology and Hypertension, Department of Medicine, University of Miami Miller School of Medicine, Miami, Florida, United States
- Peggy and Harold Katz Family Drug Discovery Center, University of Miami Miller School of Medicine, Miami, Florida, United States
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2
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Hou Q, Yi B. The role of long non-coding RNAs in the development of diabetic kidney disease and the involved clinical application. Diabetes Metab Res Rev 2024; 40:e3809. [PMID: 38708843 DOI: 10.1002/dmrr.3809] [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: 12/30/2023] [Revised: 03/03/2024] [Accepted: 04/03/2024] [Indexed: 05/07/2024]
Abstract
Diabetic kidney disease (DKD), one of the common microvascular complications of diabetes, is increasing in prevalence worldwide and can lead to End-stage renal disease. However, there are still gaps in our understanding of the pathophysiology of DKD, and both current clinical diagnostic methods and treatment strategies have drawbacks. According to recent research, long non-coding RNAs (lncRNAs) are intimately linked to the developmental process of DKD and could be viable targets for clinical diagnostic decisions and therapeutic interventions. Here, we review recent insights gained into lncRNAs in pathological changes of DKD such as mesangial expansion, podocyte injury, renal tubular injury, and interstitial fibrosis. We also discuss the clinical applications of DKD-associated lncRNAs as diagnostic biomarkers and therapeutic targets, as well as their limitations and challenges, to provide new methods for the prevention, diagnosis, and treatment of DKD.
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Affiliation(s)
- Qizhuo Hou
- Department of Clinical Laboratory, Xiangya Hospital, Central South University, Changsha, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China
| | - Bin Yi
- Department of Clinical Laboratory, Xiangya Hospital, Central South University, Changsha, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China
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3
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Ageeli Hakami M. Diabetes and diabetic associative diseases: An overview of epigenetic regulations of TUG1. Saudi J Biol Sci 2024; 31:103976. [PMID: 38510528 PMCID: PMC10951089 DOI: 10.1016/j.sjbs.2024.103976] [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: 01/31/2024] [Revised: 02/29/2024] [Accepted: 03/08/2024] [Indexed: 03/22/2024] Open
Abstract
The epigenetic regulation of lncRNA TUG1 has garnered significant attention in the context of diabetes and its associated disorders. TUG1's multifaceted roles in gene expression modulation, and cellular differentiation, and it plays a major role in the growth of diabetes and the issues that are related to it due to pathological processes. In diabetes, aberrant epigenetic modifications can lead to dysregulation of TUG1 expression, contributing to disrupted insulin signaling, impaired glucose metabolism, and beta-cell dysfunction. Moreover, it has been reported that TUG1 contributes to the development of problems linked to diabetes, such as nephropathy, retinopathy, and cardiovascular complications, through epigenetically mediated mechanisms. Understanding the epigenetic regulations of TUG1 offers novel insights into the primary molecular mechanisms of diabetes and provides a possible path for healing interventions. Targeting epigenetic modifications associated with TUG1 holds promise for restoring proper gene expression patterns, ameliorating insulin sensitivity, and mitigating the inception and development of diabetic associative diseases. This review highlights the intricate epigenetic landscape that governs TUG1 expression in diabetes, encompassing DNA methylation and alterations in histone structure, as well as microRNA interactions.
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Affiliation(s)
- Mohammed Ageeli Hakami
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, Shaqra University, Al-Quwayiyah, Riyadh, Saudi Arabia
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4
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Ye S, Zhang M, Tang SCW, Li B, Chen W. PGC1-α in diabetic kidney disease: unraveling renoprotection and molecular mechanisms. Mol Biol Rep 2024; 51:304. [PMID: 38361088 DOI: 10.1007/s11033-024-09232-y] [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: 09/24/2023] [Accepted: 01/04/2024] [Indexed: 02/17/2024]
Abstract
Mitochondrial dysfunction represents a pivotal aspect of the pathogenesis and progression of diabetic kidney disease (DKD). Central to the orchestration of mitochondrial biogenesis is the peroxisome proliferator-activated receptor γ coactivator 1-α (PGC1-α), a master regulator with a profound impact on mitochondrial function. In the context of DKD, PGC1-α exhibits significant downregulation within intrinsic renal cells, precipitating a cascade of deleterious events. This includes a reduction in mitochondrial biogenesis, heightened levels of mitochondrial oxidative stress, perturbed mitochondrial dynamics, and dysregulated mitophagy. Concurrently, structural and functional abnormalities within the mitochondrial network ensue. In stark contrast, the sustained expression of PGC1-α emerges as a beacon of hope in maintaining mitochondrial homeostasis within intrinsic renal cells, ultimately demonstrating an impressive renoprotective potential in animal models afflicted with DKD. This comprehensive review aims to delve into the recent advancements in our understanding of the renoprotective properties wielded by PGC1-α. Specifically, it elucidates the potential molecular mechanisms underlying PGC1-α's protective effects within renal tubular epithelial cells, podocytes, glomerular endothelial cells, and mesangial cells in the context of DKD. By shedding light on these intricate mechanisms, we aspire to provide valuable insights that may pave the way for innovative therapeutic interventions in the management of DKD.
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Affiliation(s)
- Siyang Ye
- Department of Nephrology, The First Affiliated Hospital, Sun Yat-Sen University, Guangzhou, People's Republic of China
- NHC Key Laboratory of Clinical Nephrology (Sun Yat-Sen University) and Guangdong Provincial Key Laboratory of Nephrology, Guangzhou, People's Republic of China
| | - Meng Zhang
- Department of Nephrology, The First Affiliated Hospital, Sun Yat-Sen University, Guangzhou, People's Republic of China
- NHC Key Laboratory of Clinical Nephrology (Sun Yat-Sen University) and Guangdong Provincial Key Laboratory of Nephrology, Guangzhou, People's Republic of China
| | - Sydney C W Tang
- Division of Nephrology, Department of Medicine, The University of Hong Kong, Hong Kong, People's Republic of China
| | - Bin Li
- Department of Nephrology, The First Affiliated Hospital, Sun Yat-Sen University, Guangzhou, People's Republic of China.
- NHC Key Laboratory of Clinical Nephrology (Sun Yat-Sen University) and Guangdong Provincial Key Laboratory of Nephrology, Guangzhou, People's Republic of China.
| | - Wei Chen
- Department of Nephrology, The First Affiliated Hospital, Sun Yat-Sen University, Guangzhou, People's Republic of China.
- NHC Key Laboratory of Clinical Nephrology (Sun Yat-Sen University) and Guangdong Provincial Key Laboratory of Nephrology, Guangzhou, People's Republic of China.
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5
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He YX, Wang T, Li WX, Chen YX. Long noncoding RNA protein-disulfide isomerase-associated 3 regulated high glucose-induced podocyte apoptosis in diabetic nephropathy through targeting miR-139-3p. World J Diabetes 2024; 15:260-274. [PMID: 38464366 PMCID: PMC10921158 DOI: 10.4239/wjd.v15.i2.260] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/24/2023] [Revised: 12/13/2023] [Accepted: 01/15/2024] [Indexed: 02/04/2024] Open
Abstract
BACKGROUND Podocyte apoptosis plays a vital role in proteinuria pathogenesis in diabetic nephropathy (DN). The regulatory relationship between long noncoding RNAs (lncRNAs) and podocyte apoptosis has recently become another research hot spot in the DN field. AIM To investigate whether lncRNA protein-disulfide isomerase-associated 3 (Pdia3) could regulate podocyte apoptosis through miR-139-3p and revealed the underlying mechanism. METHODS Using normal glucose or high glucose (HG)-cultured podocytes, the cellular functions and exact mechanisms underlying the regulatory effects of lncRNA Pdia3 on podocyte apoptosis and endoplasmic reticulum stress (ERS) were explored. LncRNA Pdia3 and miR-139-3p expression were measured through quantitative real-time polymerase chain reaction. Relative cell viability was detected through the cell counting kit-8 colorimetric assay. The podocyte apoptosis rate in each group was measured through flow cytometry. The interaction between lncRNA Pdia3 and miR-139-3p was examined through the dual luciferase reporter assay. Finally, western blotting was performed to detect the effect of lncRNA Pdia3 on podocyte apoptosis and ERS via miR-139-3p. RESULTS The expression of lncRNA Pdia3 was significantly downregulated in HG-cultured podocytes. Next, lncRNA Pdia3 was involved in HG-induced podocyte apoptosis. Furthermore, the dual luciferase reporter assay confirmed the direct interaction between lncRNA Pdia3 and miR-139-3p. LncRNA Pdia3 overexpression attenuated podocyte apoptosis and ERS through miR-139-3p in HG-cultured podocytes. CONCLUSION Taken together, this study demonstrated that lncRNA Pdia3 overexpression could attenuate HG-induced podocyte apoptosis and ERS by acting as a competing endogenous RNA of miR-139-3p, which might provide a potential therapeutic target for DN.
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Affiliation(s)
- Yin-Xi He
- Department of Orthopaedic Trauma, The Third Hospital of Shijiazhuang, Shijiazhuang 050000, Hebei Province, China
| | - Ting Wang
- Department of Endocrinology, The Second Hospital of Hebei Medical University, Shijiazhuang 050000, Hebei Province, China
| | - Wen-Xian Li
- Department of Endocrinology, The First Hospital of Zhangjiakou, Zhangjiakou 075000, Hebei Province, China
| | - Yan-Xia Chen
- Department of Endocrinology, The Second Hospital of Hebei Medical University, Shijiazhuang 050000, Hebei Province, China
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6
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Geng M, Liu W, Li J, Yang G, Tian Y, Jiang X, Xin Y. LncRNA as a regulator in the development of diabetic complications. Front Endocrinol (Lausanne) 2024; 15:1324393. [PMID: 38390204 PMCID: PMC10881719 DOI: 10.3389/fendo.2024.1324393] [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: 10/19/2023] [Accepted: 01/16/2024] [Indexed: 02/24/2024] Open
Abstract
Diabetes is a metabolic disease characterized by hyperglycemia, which induces the production of AGEs, ROS, inflammatory cytokines, and growth factors, leading to the formation of vascular dysfunction and target organ damage, promoting the development of diabetic complications. Diabetic nephropathy, retinopathy, and cardiomyopathy are common complications of diabetes, which are major contributors to disability and death in people with diabetes. Long non-coding RNAs affect gene transcription, mRNA stability, and translation efficiency to influence gene expression for a variety of biological functions. Over the past decade, it has been demonstrated that dysregulated long non-coding RNAs are extensively engaged in the pathogenesis of many diseases, including diabetic complications. Thus, this review discusses the regulations of long non-coding RNAs on the primary pathogenesis of diabetic complications (oxidative stress, inflammation, fibrosis, and microvascular dysfunction), and some of these long non-coding RNAs may function as potential biomarkers or therapeutic targets for diabetic complications.
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Affiliation(s)
- Mengrou Geng
- Jilin Provincial Key Laboratory of Radiation Oncology & Therapy, The First Hospital of Jilin University and College of Basic Medical Science, Jilin University, Changchun, China
- Key Laboratory of Pathobiology, Ministry of Education, College of Basic Medical Science, Jilin University, Changchun, China
| | - Wei Liu
- Key Laboratory of Pathobiology, Ministry of Education, College of Basic Medical Science, Jilin University, Changchun, China
| | - Jinjie Li
- Key Laboratory of Pathobiology, Ministry of Education, College of Basic Medical Science, Jilin University, Changchun, China
| | - Ge Yang
- Key Laboratory of Pathobiology, Ministry of Education, College of Basic Medical Science, Jilin University, Changchun, China
| | - Yuan Tian
- Key Laboratory of Pathobiology, Ministry of Education, College of Basic Medical Science, Jilin University, Changchun, China
| | - Xin Jiang
- Jilin Provincial Key Laboratory of Radiation Oncology & Therapy, The First Hospital of Jilin University and College of Basic Medical Science, Jilin University, Changchun, China
- Department of Radiation Oncology, The First Hospital of Jilin University, Changchun, China
- National Health Commission (NHC) Key Laboratory of Radiobiology, School of Public Health, Jilin University, Changchun, China
| | - Ying Xin
- Key Laboratory of Pathobiology, Ministry of Education, College of Basic Medical Science, Jilin University, Changchun, China
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7
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Li X, Zhang Y, Xing X, Li M, Liu Y, Xu A, Zhang J. Podocyte injury of diabetic nephropathy: Novel mechanism discovery and therapeutic prospects. Biomed Pharmacother 2023; 168:115670. [PMID: 37837883 DOI: 10.1016/j.biopha.2023.115670] [Citation(s) in RCA: 15] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2023] [Revised: 09/24/2023] [Accepted: 10/06/2023] [Indexed: 10/16/2023] Open
Abstract
Diabetic nephropathy (DN) is a severe complication of diabetes mellitus, posing significant challenges in terms of early prevention, clinical diagnosis, and treatment. Consequently, it has emerged as a major contributor to end-stage renal disease. The glomerular filtration barrier, composed of podocytes, endothelial cells, and the glomerular basement membrane, plays a vital role in maintaining renal function. Disruptions in podocyte function, including hypertrophy, shedding, reduced density, and apoptosis, can impair the integrity of the glomerular filtration barrier, resulting in elevated proteinuria, abnormal glomerular filtration rate, and increased creatinine levels. Hence, recent research has increasingly focused on the role of podocyte injury in DN, with a growing emphasis on exploring therapeutic interventions targeting podocyte injury. Studies have revealed that factors such as lipotoxicity, hemodynamic abnormalities, oxidative stress, mitochondrial dysfunction, and impaired autophagy can contribute to podocyte injury. This review aims to summarize the underlying mechanisms of podocyte injury in DN and provide an overview of the current research status regarding experimental drugs targeting podocyte injury in DN. The findings presented herein may offer potential therapeutic targets and strategies for the management of DN associated with podocyte injury.
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Affiliation(s)
- Xiandeng Li
- Department of Clinical Pharmacy, Xinhua Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200092, China; College of Pharmacy, Chongqing Medical University, Chongqing 400016, China
| | - Ying Zhang
- Department of Clinical Pharmacy, Xinhua Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200092, China
| | - Xiaodong Xing
- Department of Clinical Pharmacy, Xinhua Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200092, China; College of Pharmacy, Chongqing Medical University, Chongqing 400016, China
| | - Mi Li
- Department of Clinical Pharmacy, Xinhua Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200092, China
| | - Yan Liu
- Department of Clinical Pharmacy, Xinhua Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200092, China
| | - Ajing Xu
- Department of Clinical Pharmacy, Xinhua Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200092, China.
| | - Jian Zhang
- Department of Clinical Pharmacy, Xinhua Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200092, China.
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8
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Dieter C, Lemos NE, Girardi E, Ramos DT, Corrêa NRDF, Canani LH, Bauer AC, Assmann TS, Crispim D. The lncRNA MALAT1 is upregulated in urine of type 1 diabetes mellitus patients with diabetic kidney disease. Genet Mol Biol 2023; 46:e20220291. [PMID: 37272835 DOI: 10.1590/1678-4685-gmb-2022-0291] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2022] [Accepted: 01/27/2023] [Indexed: 06/06/2023] Open
Abstract
Long non-coding RNAs (lncRNAs) are RNAs with >200 nucleotides that are unable to encode proteins and are involved in gene expression regulation. LncRNAs have a key role in many physiological and pathological processes and, consequently, they have been associated with several human diseases, including diabetes chronic complications, such as diabetes kidney disease (DKD). In this context, some studies have identified the dysregulation of the lncRNAs MALAT1 and TUG1 in patients with DKD; nevertheless, available data are still contradictory. Thus, the objective of this study was to compare MALAT1 and TUG1 expressions in urine of patients with type 1 diabetes mellitus (T1DM) categorized according to DKD presence. This study comprised 18 T1DM patients with DKD (cases) and 9 long-duration T1DM patients without DKD (controls). MALAT1 and TUG1 were analyzed using qPCR. Bioinformatics analyses were done to identify both lncRNA target genes and the signaling pathways under their regulation. The lncRNA MALAT1 was upregulated in urine of T1DM patients with DKD vs. T1DM controls (P = 0.007). The expression of lncRNA TUG1 did not differ between groups (P = 0.815). Bioinformatics analysis showed these two lncRNAs take part in metabolism-related pathways. The present study shows that the lncRNA MALAT1 is upregulated in T1DM patients presenting DKD.
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Affiliation(s)
- Cristine Dieter
- Hospital de Clínicas de Porto Alegre, Serviço de Endocrinologia e Metabologia, Porto Alegre, RS, Brazil
- Universidade Federal do Rio Grande do Sul, Faculdade de Medicina, Departamento de Medicina Interna, Programa de Pós-Graduação em Ciências Médicas: Endocrinologia, Porto Alegre, RS, Brazil
| | - Natália Emerim Lemos
- Hospital de Clínicas de Porto Alegre, Serviço de Endocrinologia e Metabologia, Porto Alegre, RS, Brazil
- Universidade de São Paulo, Instituto de Química, Departamento de Bioquímica, São Paulo, SP, Brazil
| | - Eliandra Girardi
- Hospital de Clínicas de Porto Alegre, Serviço de Endocrinologia e Metabologia, Porto Alegre, RS, Brazil
| | - Denise Taurino Ramos
- Hospital de Clínicas de Porto Alegre, Serviço de Endocrinologia e Metabologia, Porto Alegre, RS, Brazil
| | | | - Luís Henrique Canani
- Hospital de Clínicas de Porto Alegre, Serviço de Endocrinologia e Metabologia, Porto Alegre, RS, Brazil
- Universidade Federal do Rio Grande do Sul, Faculdade de Medicina, Departamento de Medicina Interna, Programa de Pós-Graduação em Ciências Médicas: Endocrinologia, Porto Alegre, RS, Brazil
| | - Andrea Carla Bauer
- Hospital de Clínicas de Porto Alegre, Serviço de Endocrinologia e Metabologia, Porto Alegre, RS, Brazil
- Universidade Federal do Rio Grande do Sul, Faculdade de Medicina, Departamento de Medicina Interna, Programa de Pós-Graduação em Ciências Médicas: Endocrinologia, Porto Alegre, RS, Brazil
- Hospital de Clínicas de Porto Alegre, Serviço de Nefrologia, Porto Alegre, RS, Brazil
| | - Taís Silveira Assmann
- Hospital de Clínicas de Porto Alegre, Serviço de Endocrinologia e Metabologia, Porto Alegre, RS, Brazil
- Universidade Federal do Rio Grande do Sul, Faculdade de Medicina, Departamento de Medicina Interna, Programa de Pós-Graduação em Ciências Médicas: Endocrinologia, Porto Alegre, RS, Brazil
| | - Daisy Crispim
- Hospital de Clínicas de Porto Alegre, Serviço de Endocrinologia e Metabologia, Porto Alegre, RS, Brazil
- Universidade Federal do Rio Grande do Sul, Faculdade de Medicina, Departamento de Medicina Interna, Programa de Pós-Graduação em Ciências Médicas: Endocrinologia, Porto Alegre, RS, Brazil
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9
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Srivastava A, Tomar B, Sharma D, Rath SK. Mitochondrial dysfunction and oxidative stress: Role in chronic kidney disease. Life Sci 2023; 319:121432. [PMID: 36706833 DOI: 10.1016/j.lfs.2023.121432] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2022] [Revised: 01/18/2023] [Accepted: 01/18/2023] [Indexed: 01/26/2023]
Abstract
Chronic kidney disease (CKD) is associated with a variety of distinct disease processes that permanently change the function and structure of the kidney across months or years. CKD is characterized as a glomerular filtration defect or proteinuria that lasts longer than three months. In most instances, CKD leads to end-stage kidney disease (ESKD), necessitating kidney transplantation. Mitochondrial dysfunction is a typical response to damage in CKD patients. Despite the abundance of mitochondria in the kidneys, variations in mitochondrial morphological and functional characteristics have been associated with kidney inflammatory responses and injury during CKD. Despite these variations, CKD is frequently used to define some classic signs of mitochondrial dysfunction, including altered mitochondrial shape and remodeling, increased mitochondrial oxidative stress, and a marked decline in mitochondrial biogenesis and ATP generation. With a focus on the most significant developments and novel understandings of the involvement of mitochondrial remodeling in the course of CKD, this article offers a summary of the most recent advances in the sources of procured mitochondrial dysfunction in the advancement of CKD. Understanding mitochondrial biology and function is crucial for developing viable treatment options for CKD.
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Affiliation(s)
- Anjali Srivastava
- Division of Toxicology and Experimental Medicine, CSIR-Central Drug Research Institute, Lucknow 226031, India
| | - Bhawna Tomar
- Division of Toxicology and Experimental Medicine, CSIR-Central Drug Research Institute, Lucknow 226031, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Divyansh Sharma
- Division of Toxicology and Experimental Medicine, CSIR-Central Drug Research Institute, Lucknow 226031, India
| | - Srikanta Kumar Rath
- Division of Toxicology and Experimental Medicine, CSIR-Central Drug Research Institute, Lucknow 226031, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India.
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10
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Heydari N, Sharifi R, Nourbakhsh M, Golpour P, Nourbakhsh M. Long non-coding RNAs TUG1 and MEG3 in patients with type 2 diabetes and their association with endoplasmic reticulum stress markers. J Endocrinol Invest 2023:10.1007/s40618-023-02007-5. [PMID: 36662419 DOI: 10.1007/s40618-023-02007-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/28/2022] [Accepted: 01/05/2023] [Indexed: 01/21/2023]
Abstract
BACKGROUND Long non-coding RNAs (lncRNAs), including taurine upregulated gene 1 (TUG1), metastasis-associated lung adenocarcinoma transcript 1 (MALAT1), and maternally expressed 3 (MEG3) play a regulatory role in endoplasmic reticulum (ER) stress. The present study aimed to investigate the expression of these lncRNAs in patients with type 2 diabetes and their association with biochemical and ER stress parameters. MATERIALS AND METHODS Participants included 57 patients with diabetes and 32 healthy individuals. Real-time PCR was performed to assess MALAT1, TUG1, MEG3, ATF4, and CHOP gene expression in peripheral blood mononuclear cells. Plasma GRP78, advanced glycation end products (AGEs), and insulin were measured using enzyme-linked immunosorbent assay (ELISA), and insulin resistance (IR) was calculated by the homeostasis model assessment of insulin resistance (HOMA-IR). RESULTS The expression of TUG1, MEG3, ATF4, and CHOP genes was significantly increased in the patients with diabetes compared to healthy individuals. MALAT1 gene expression was also higher in patients group; although it did not reach significant levels. TUG1 and MEG3 expression revealed significant positive correlations with the indices of glycemic control, including FBS, HbA1c, HOMA-IR, and AGEs, as well as markers of ER stress. MALAT1 expression was also positively correlated with ATF4 and AGEs. CONCLUSION The expression levels of TUG1 and MEG3 lncRNAs were increased in patients with diabetes and were associated with glycemic control and components of ER stress. Thus, these lncRNAs might be considered appropriate markers to identify ER stress due to hyperglycemia.
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Affiliation(s)
- N Heydari
- Department of Biochemistry, School of Medicine, Iran University of Medical Sciences, Hemmat Highway, Tehran, 1449614535, Iran
| | - R Sharifi
- Department of Medical Laboratory Sciences, School of Allied Medical Sciences, Iran University of Medical Sciences, Hemmat Highway, Tehran, 1449614535, Iran.
| | - M Nourbakhsh
- Hazrat Aliasghar Children's Hospital, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - P Golpour
- Department of Biochemistry, School of Medicine, Yazd University of Medical Sciences, Yazd, Iran
| | - M Nourbakhsh
- Department of Biochemistry, School of Medicine, Iran University of Medical Sciences, Hemmat Highway, Tehran, 1449614535, Iran.
- Finetech in Medicine Research Center, Iran University of Medical Sciences, Hemmat Highway, Tehran, 1449614535, Iran.
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11
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Vijayalalitha R, Archita T, Juanitaa GR, Jayasuriya R, Amin KN, Ramkumar KM. Role of Long Non-Coding RNA in Regulating ER Stress Response to the Progression of Diabetic Complications. Curr Gene Ther 2023; 23:96-110. [PMID: 35927920 DOI: 10.2174/1566523222666220801141450] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2022] [Revised: 04/08/2022] [Accepted: 04/22/2022] [Indexed: 11/22/2022]
Abstract
Chronic hyperglycemia damages the nerves and blood vessels, culminating in other vascular complications. Such complications enhance cytokine, oxidative and endoplasmic reticulum (ER) stress. ER is the primary organelle where proteins are synthesised and attains confirmatory changes before its site of destination. Perturbation of ER homeostasis activates signaling sensors within its lumen, the unfolded protein response (UPR) that orchestrates ER stress and is extensively studied. Increased ER stress markers are reported in diabetic complications in addition to lncRNA that acts as an upstream marker inducing ER stress response. This review focuses on the mechanisms of lncRNA that regulate ER stress markers, especially during the progression of diabetic complications. Through this systemic review, we showcase the dysfunctional lncRNAs that act as a leading cause of ER stress response to the progression of diabetic complications.
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Affiliation(s)
- Ramanarayanan Vijayalalitha
- Department of Biotechnology, School of Bioengineering, SRM Institute of Science and Technology, Kattankulathur 603 203, Tamil Nadu, India
| | - Tca Archita
- Department of Biotechnology, School of Bioengineering, SRM Institute of Science and Technology, Kattankulathur 603 203, Tamil Nadu, India
| | - George Raj Juanitaa
- Department of Biotechnology, School of Bioengineering, SRM Institute of Science and Technology, Kattankulathur 603 203, Tamil Nadu, India
| | - Ravichandran Jayasuriya
- Department of Biotechnology, School of Bioengineering, SRM Institute of Science and Technology, Kattankulathur 603 203, Tamil Nadu, India
| | - Karan Naresh Amin
- Department of Biotechnology, School of Bioengineering, SRM Institute of Science and Technology, Kattankulathur 603 203, Tamil Nadu, India
| | - Kunka Mohanram Ramkumar
- Department of Biotechnology, School of Bioengineering, SRM Institute of Science and Technology, Kattankulathur 603 203, Tamil Nadu, India
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12
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Ala M. Sestrin2 Signaling Pathway Regulates Podocyte Biology and Protects against Diabetic Nephropathy. J Diabetes Res 2023; 2023:8776878. [PMID: 36818747 PMCID: PMC9937769 DOI: 10.1155/2023/8776878] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/22/2022] [Revised: 12/22/2022] [Accepted: 02/04/2023] [Indexed: 02/12/2023] Open
Abstract
Sestrin2 regulates cell homeostasis and is an upstream signaling molecule for several signaling pathways. Sestrin2 leads to AMP-activated protein kinase- (AMPK-) and GTPase-activating protein activity toward Rags (GATOR) 1-mediated inhibition of mammalian target of rapamycin complex 1 (mTORC1), thereby enhancing autophagy. Sestrin2 also improves mitochondrial biogenesis via AMPK/Sirt1/peroxisome proliferator-activated receptor-gamma coactivator 1 alpha (PGC-1α) signaling pathway. Blockade of ribosomal protein synthesis and augmentation of autophagy by Sestrin2 can prevent misfolded protein accumulation and attenuate endoplasmic reticulum (ER) stress. In addition, Sestrin2 enhances P62-mediated autophagic degradation of Keap1 to release nuclear factor erythroid 2-related factor 2 (Nrf2). Nrf2 release by Sestrin2 vigorously potentiates antioxidant defense in diabetic nephropathy. Impaired autophagy and mitochondrial biogenesis, severe oxidative stress, and ER stress are all deeply involved in the development and progression of diabetic nephropathy. It has been shown that Sestrin2 expression is lower in the kidney of animals and patients with diabetic nephropathy. Sestrin2 knockdown aggravated diabetic nephropathy in animal models. In contrast, upregulation of Sestrin2 enhanced autophagy, mitophagy, and mitochondrial biogenesis and suppressed oxidative stress, ER stress, and apoptosis in diabetic nephropathy. Consistently, overexpression of Sestrin2 ameliorated podocyte injury, mesangial proliferation, proteinuria, and renal fibrosis in animal models of diabetic nephropathy. By suppressing transforming growth factor beta (TGF-β)/Smad and Yes-associated protein (YAP)/transcription enhancer factor 1 (TEF1) signaling pathways in experimental models, Sestrin2 hindered epithelial-mesenchymal transition and extracellular matrix accumulation in diabetic kidneys. Moreover, modulation of the downstream molecules of Sestrin2, for instance, augmentation of AMPK or Nrf2 signaling and inhibition of mTORC1, has been protective in diabetic nephropathy. Regarding the beneficial effects of Sestrin2 on diabetic nephropathy and its interaction with several signaling molecules, it is worth targeting Sestrin2 in diabetic nephropathy.
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Affiliation(s)
- Moein Ala
- School of Medicine, Tehran University of Medical Sciences (TUMS), Tehran, Iran
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13
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Cheng Y, Wu X, Xia Y, Liu W, Wang P. The role of lncRNAs in regulation of DKD and diabetes-related cancer. Front Oncol 2022; 12:1035487. [PMID: 36313695 PMCID: PMC9606714 DOI: 10.3389/fonc.2022.1035487] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2022] [Accepted: 09/19/2022] [Indexed: 11/23/2022] Open
Abstract
Diabetes mellitus often results in several complications, such as diabetic kidney disease (DKD) and end-stage renal diseases (ESRDs). Cancer patients often have the dysregulated glucose metabolism. Abnormal glucose metabolism can enhance the tumor malignant progression. Recently, lncRNAs have been reported to regulate the key proteins and signaling pathways in DKD development and progression and in cancer patients with diabetes. In this review article, we elaborate the evidence to support the function of lncRNAs in development of DKD and diabetes-associated cancer. Moreover, we envisage that lncRNAs could be diagnosis and prognosis biomarkers for DKD and cancer patients with diabetes. Furthermore, we delineated that targeting lncRNAs might be an alternative approach for treating DKD and cancer with dysregulated glucose metabolism.
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Affiliation(s)
- Yawei Cheng
- Department of Disease Prevention, Hainan Province Hospital of Traditional Chinese Medicine, Haikou, China
- Hainan Clinical Research Center for Preventive Treatment of Diseases, Haikou, China
- *Correspondence: Yawei Cheng, ; Peter Wang,
| | - Xiaowen Wu
- Department of Disease Prevention, Hainan Province Hospital of Traditional Chinese Medicine, Haikou, China
| | - Yujie Xia
- Department of Food Science and Technology Centers, National University of Singapore (Suzhou) Research Institute, Suzhou, China
| | - Wenjun Liu
- Department of Research and Development, Zhejiang Zhongwei Medical Research Center, Hangzhou, China
| | - Peter Wang
- Department of Research and Development, Zhejiang Zhongwei Medical Research Center, Hangzhou, China
- *Correspondence: Yawei Cheng, ; Peter Wang,
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14
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Hu M, Ma Q, Liu B, Wang Q, Zhang T, Huang T, Lv Z. Long Non-Coding RNAs in the Pathogenesis of Diabetic Kidney Disease. Front Cell Dev Biol 2022; 10:845371. [PMID: 35517509 PMCID: PMC9065414 DOI: 10.3389/fcell.2022.845371] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2021] [Accepted: 03/08/2022] [Indexed: 01/09/2023] Open
Abstract
Diabetic kidney disease (DKD) is one of the major microvascular complications of diabetes mellitus, with relatively high morbidity and mortality globally but still in short therapeutic options. Over the decades, a large body of data has demonstrated that oxidative stress, inflammatory responses, and hemodynamic disorders might exert critical influence in the initiation and development of DKD, whereas the delicate pathogenesis of DKD remains profoundly elusive. Recently, long non-coding RNAs (lncRNAs), extensively studied in the field of cancer, are attracting increasing attentions on the development of diabetes mellitus and its complications including DKD, diabetic retinopathy, and diabetic cardiomyopathy. In this review, we chiefly focused on abnormal expression and function of lncRNAs in major resident cells (mesangial cell, endothelial cell, podocyte, and tubular epithelial cell) in the kidney, summarized the critical roles of lncRNAs in the pathogenesis of DKD, and elaborated their potential therapeutic significance, in order to advance our knowledge in this field, which might help in future research and clinical treatment for the disease.
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Affiliation(s)
- Mengsi Hu
- Department of Nephrology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, China
- Department of Nephrology, Shandong Provincial Hospital, Cheeloo College of Medicine, Shandong University, Jinan, China
| | - Qiqi Ma
- Department of Nephrology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, China
| | - Bing Liu
- Department of Nephrology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, China
- Department of Nephrology, Shandong Provincial Hospital, Cheeloo College of Medicine, Shandong University, Jinan, China
| | - Qianhui Wang
- Department of Nephrology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, China
| | - Tingwei Zhang
- Department of Nephrology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, China
| | - Tongtong Huang
- Department of Nephrology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, China
| | - Zhimei Lv
- Department of Nephrology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, China
- Department of Nephrology, Shandong Provincial Hospital, Cheeloo College of Medicine, Shandong University, Jinan, China
- *Correspondence: Zhimei Lv,
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15
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Mechanisms of podocyte injury and implications for diabetic nephropathy. Clin Sci (Lond) 2022; 136:493-520. [PMID: 35415751 PMCID: PMC9008595 DOI: 10.1042/cs20210625] [Citation(s) in RCA: 47] [Impact Index Per Article: 23.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2021] [Revised: 02/25/2022] [Accepted: 03/25/2022] [Indexed: 02/06/2023]
Abstract
Albuminuria is the hallmark of both primary and secondary proteinuric glomerulopathies, including focal segmental glomerulosclerosis (FSGS), obesity-related nephropathy, and diabetic nephropathy (DN). Moreover, albuminuria is an important feature of all chronic kidney diseases (CKDs). Podocytes play a key role in maintaining the permselectivity of the glomerular filtration barrier (GFB) and injury of the podocyte, leading to foot process (FP) effacement and podocyte loss, the unifying underlying mechanism of proteinuric glomerulopathies. The metabolic insult of hyperglycemia is of paramount importance in the pathogenesis of DN, while insults leading to podocyte damage are poorly defined in other proteinuric glomerulopathies. However, shared mechanisms of podocyte damage have been identified. Herein, we will review the role of haemodynamic and oxidative stress, inflammation, lipotoxicity, endocannabinoid (EC) hypertone, and both mitochondrial and autophagic dysfunction in the pathogenesis of the podocyte damage, focussing particularly on their role in the pathogenesis of DN. Gaining a better insight into the mechanisms of podocyte injury may provide novel targets for treatment. Moreover, novel strategies for boosting podocyte repair may open the way to podocyte regenerative medicine.
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16
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Cai J, Sun Z, Zhang L, Xu H. SERP1 reduces inchoate acute hepatic injury through regulation of endoplasmic reticulum stress via the GSK3β/β‑catenin/TCF/LEF signaling pathway. Mol Med Rep 2022; 25:193. [PMID: 35419615 PMCID: PMC9051999 DOI: 10.3892/mmr.2022.12709] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2021] [Accepted: 12/10/2021] [Indexed: 12/15/2022] Open
Abstract
The liver is a crucial digestive organ of humans and in charge of detoxification. Acute hepatic injury is an aggressive type of hepatic disease and its harmful effect cannot be ignored. The present study examined the role and mechanism of stress-associated endoplasmic reticulum protein 1 (SERP1) in acute hepatic injury. Mice were injected intraperitoneally with D-galactosamine/lipopolysaccharide (LPS) and rat hepatocytes were induced by LPS to establish an acute hepatic injury model. Tissue lesions were observed by H&E staining, and biomarkers of hepatic injury in the serum were examined. Western blotting, immunohistochemistry and reverse transcription-quantitative PCR were performed to assess SERP1 expression in tissues and hepatocytes. A SERP1 overexpression plasmid was constructed to evaluate the role of SERP1 in inflammation, apoptosis, endoplasmic reticulum stress (ERS) and the GSK3β/β-catenin/T-cell factor (TCF)/lymphoid enhancing factor (LEF) signaling pathway. In addition, a GSK3β overexpression plasmid was constructed to investigate the role of GSK3β/β-catenin signal activation. Additionally, the present study investigated whether SERP1 regulated the endoplasmic reticulum via this pathway. In the present study, reliable animal and cellular hepatic injury models were established and verified. SERP1 overexpression reduced the expression of inflammatory factors, apoptosis-related proteins and ERS-related proteins, as well as the expression of proteins related to GSK3β/β-catenin/TCF/LEF signaling pathways. A GSK3β overexpression plasmid was constructed and it was revealed that GSK3β overexpression could reverse the effects of SERP1 overexpression in aforementioned aspects. This suggested that the activation of the GSK3β/β-catenin/TCF/LEF signaling pathway may be required for the regulation of SERP1. In conclusion, SERP1 regulated ERS via the GSK3β/β-catenin/TCF/LEF signaling pathway, thereby reducing inchoate acute hepatic injury.
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Affiliation(s)
- Jie Cai
- Department of Infectious Disease, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu 210029, P.R. China
| | - Zhenhua Sun
- Department of Infectious Disease, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu 210029, P.R. China
| | - Lili Zhang
- Department of Infectious Disease, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu 210029, P.R. China
| | - Hongrui Xu
- Translational Medicine Center, Huaihe Hospital of Henan University, Kaifeng, Henan 475000, P.R. China
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17
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Li B, Leung JC, Chan LY, Li HY, Yiu WH, Lok SW, Xue R, Zou YX, Chen W, Lai KN, Tang SC. Tubule-specific deletion of LincRNA-p21 ameliorates lipotoxic kidney injury. MOLECULAR THERAPY - NUCLEIC ACIDS 2021; 26:1280-1290. [PMID: 34853727 PMCID: PMC8609107 DOI: 10.1016/j.omtn.2021.10.029] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/22/2021] [Revised: 09/03/2021] [Accepted: 10/28/2021] [Indexed: 11/28/2022]
Abstract
Lipotoxicity has been implicated in the pathogenesis of obesity-related kidney damage and propagates chronic kidney injury like diabetic kidney disease; however, the underlying mechanisms have not yet been fully elucidated. To date, reduction of lipid acquisition and enhancement of lipid metabolism are the major, albeit non-specific, approaches to improve lipotoxic kidney damage. In the kidneys of high-fat diet (HFD)-fed mice and tubule cells cultured with palmitic acid (PA), we observed a dramatic upregulation of the long intergenic non-coding RNA-p21 (LincRNA-p21) through a p53-dependent mechanism. Kidney tubule cell-specific deletion of LincRNA-p21 attenuated oxidative stress, inflammation, apoptosis, and endoplasmic reticulum stress, leading to reduction of histological and functional kidney injury despite persistent obesity and hyperlipidemia. Mechanistically, HFD- or PA-initiated lipotoxicity suppressed the phosphatidylinositol 3-kinase (PI3K)/protein kinase B (AKT)/mechanistic target of rapamycin (mTOR)/murine double minute 2 homolog (MDM2) signaling cascade to activate p53 and enhance the transcriptional activity of LincRNA-p21. Collectively, our findings suggest that the p53/LincRNA-p21 axis is the downstream effector in lipotoxic kidney injury and that targeting this axis particularly in the kidney tubule could be a novel therapeutic strategy.
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Affiliation(s)
- Bin Li
- Division of Nephrology, Department of Medicine, The University of Hong Kong, Hong Kong, People's Republic of China
- Department of Nephrology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, People's Republic of China
| | - Joseph C.K. Leung
- Division of Nephrology, Department of Medicine, The University of Hong Kong, Hong Kong, People's Republic of China
| | - Loretta Y.Y. Chan
- Division of Nephrology, Department of Medicine, The University of Hong Kong, Hong Kong, People's Republic of China
| | - Hong-Yu Li
- Division of Nephrology, Department of Medicine, The University of Hong Kong, Hong Kong, People's Republic of China
| | - Wai-Han Yiu
- Division of Nephrology, Department of Medicine, The University of Hong Kong, Hong Kong, People's Republic of China
| | - Sarah W.Y. Lok
- Division of Nephrology, Department of Medicine, The University of Hong Kong, Hong Kong, People's Republic of China
| | - Rui Xue
- Division of Nephrology, Department of Medicine, The University of Hong Kong, Hong Kong, People's Republic of China
| | - Yi-Xin Zou
- Division of Nephrology, Department of Medicine, The University of Hong Kong, Hong Kong, People's Republic of China
| | - Wei Chen
- Department of Nephrology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, People's Republic of China
| | - Kar-Neng Lai
- Division of Nephrology, Department of Medicine, The University of Hong Kong, Hong Kong, People's Republic of China
| | - Sydney C.W. Tang
- Division of Nephrology, Department of Medicine, The University of Hong Kong, Hong Kong, People's Republic of China
- Corresponding author: Sydney C.W. Tang, Division of Nephrology, Department of Medicine, The University of Hong Kong, Hong Kong, People's Republic of China.
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18
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Xia W, He Y, Gan Y, Zhang B, Dai G, Ru F, Jiang Z, Chen Z, Chen X. Long Non-coding RNA: An Emerging Contributor and Potential Therapeutic Target in Renal Fibrosis. Front Genet 2021; 12:682904. [PMID: 34386039 PMCID: PMC8353329 DOI: 10.3389/fgene.2021.682904] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2021] [Accepted: 06/28/2021] [Indexed: 12/19/2022] Open
Abstract
Renal fibrosis (RF) is a pathological process that culminates in terminal renal failure in chronic kidney disease (CKD). Fibrosis contributes to progressive and irreversible decline in renal function. However, the molecular mechanisms involved in RF are complex and remain poorly understood. Long non-coding RNAs (lncRNAs) are a major type of non-coding RNAs, which significantly affect various disease processes, cellular homeostasis, and development through multiple mechanisms. Recent investigations have implicated aberrantly expressed lncRNA in RF development and progression, suggesting that lncRNAs play a crucial role in determining the clinical manifestation of RF. In this review, we comprehensively evaluated the recently published articles on lncRNAs in RF, discussed the potential application of lncRNAs as diagnostic and/or prognostic biomarkers, proposed therapeutic targets for treating RF-associated diseases and subsequent CKD transition, and highlight future research directions in the context of the role of lncRNAs in the development and treatment of RF.
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Affiliation(s)
- Weiping Xia
- Department of Urology, Xiangya Hospital, Central South University, Changsha, China
| | - Yao He
- Department of Urology, Xiangya Hospital, Central South University, Changsha, China
| | - Yu Gan
- Department of Urology, Xiangya Hospital, Central South University, Changsha, China
| | - Bo Zhang
- Department of Urology, Xiangya Hospital, Central South University, Changsha, China
| | - Guoyu Dai
- Department of Urology, Xiangya Hospital, Central South University, Changsha, China
| | - Feng Ru
- Department of Urology, Xiangya Hospital, Central South University, Changsha, China
| | - Zexiang Jiang
- Department of Urology, Xiangya Hospital, Central South University, Changsha, China
| | - Zhi Chen
- Department of Urology, Xiangya Hospital, Central South University, Changsha, China
| | - Xiang Chen
- Department of Urology, Xiangya Hospital, Central South University, Changsha, China
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19
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Coellar JD, Long J, Danesh FR. Long Noncoding RNAs and Their Therapeutic Promise in Diabetic Nephropathy. Nephron Clin Pract 2021; 145:404-414. [PMID: 33853077 PMCID: PMC8266727 DOI: 10.1159/000515422] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2020] [Accepted: 02/19/2021] [Indexed: 12/21/2022] Open
Abstract
Recent advances in large-scale RNA sequencing and genome-wide profiling projects have unraveled a heterogeneous group of RNAs, collectively known as long noncoding RNAs (lncRNAs), which play central roles in many diverse biological processes. Importantly, an association between aberrant expression of lncRNAs and diverse human pathologies has been reported, including in a variety of kidney diseases. These observations have raised the possibility that lncRNAs may represent unexploited potential therapeutic targets for kidney diseases. Several important questions regarding the functionality of lncRNAs and their impact in kidney diseases, however, remain to be carefully addressed. Here, we provide an overview of the main functions and mechanisms of actions of lncRNAs, and their promise as therapeutic targets in kidney diseases, emphasizing on the role of some of the best-characterized lncRNAs implicated in the pathogenesis and progression of diabetic nephropathy.
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Affiliation(s)
- Juan D. Coellar
- Section of Nephrology, Division of Internal Medicine, The University of Texas at MD Anderson Cancer Center, Houston, TX 77030
| | - Jianyin Long
- Department of Pharmacology & Chemical Biology, Baylor College of Medicine, Houston, TX 77030
| | - Farhad R. Danesh
- Section of Nephrology, Division of Internal Medicine, The University of Texas at MD Anderson Cancer Center, Houston, TX 77030
- Department of Pharmacology & Chemical Biology, Baylor College of Medicine, Houston, TX 77030
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20
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Gu YY, Lu FH, Huang XR, Zhang L, Mao W, Yu XQ, Liu XS, Lan HY. Non-Coding RNAs as Biomarkers and Therapeutic Targets for Diabetic Kidney Disease. Front Pharmacol 2021; 11:583528. [PMID: 33574750 PMCID: PMC7870688 DOI: 10.3389/fphar.2020.583528] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2020] [Accepted: 12/14/2020] [Indexed: 12/20/2022] Open
Abstract
Diabetic kidney disease (DKD) is the most common diabetic complication and is a leading cause of end-stage kidney disease. Increasing evidence shows that DKD is regulated not only by many classical signaling pathways but also by epigenetic mechanisms involving chromatin histone modifications, DNA methylation, and non-coding RNA (ncRNAs). In this review, we focus on our current understanding of the role and mechanisms of ncRNAs, including microRNAs (miRNAs) and long non-coding RNAs (lncRNAs) in the pathogenesis of DKD. Of them, the regulatory role of TGF-β/Smad3-dependent miRNAs and lncRNAs in DKD is highlighted. Importantly, miRNAs and lncRNAs as biomarkers and therapeutic targets for DKD are also described, and the perspective of ncRNAs as a novel therapeutic approach for combating diabetic nephropathy is also discussed.
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Affiliation(s)
- Yue-Yu Gu
- Department of Nephrology and State Key Laboratory of Dampness Syndrome of Chinese Medicine, Guangdong Provincial Hospital of Chinese Medicine, The Second Affiliated Hospital, Guangzhou University of Chinese Medicine, Guangzhou, China
- Department of Medicine and Therapeutics, Li Ka Shing Institute of Health Sciences, The Chinese University of Hong Kong, Hong Kong, China
| | - Fu-Hua Lu
- Department of Nephrology and State Key Laboratory of Dampness Syndrome of Chinese Medicine, Guangdong Provincial Hospital of Chinese Medicine, The Second Affiliated Hospital, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Xiao-Ru Huang
- Department of Medicine and Therapeutics, Li Ka Shing Institute of Health Sciences, The Chinese University of Hong Kong, Hong Kong, China
- Guangdong-Hong Kong Joint Laboratory for Immunological and Genetic Kidney Diseases, Guangdong Academy of Medical Sciences, Guangdong Provincial People’s Hospital, Guangzhou, China
- Guangdong-Hong Kong Joint Laboratory for Immunological and Genetic Kidney Diseases, The Chinese University of Hong Kong, Hong Kong, China
| | - Lei Zhang
- Department of Nephrology and State Key Laboratory of Dampness Syndrome of Chinese Medicine, Guangdong Provincial Hospital of Chinese Medicine, The Second Affiliated Hospital, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Wei Mao
- Department of Nephrology and State Key Laboratory of Dampness Syndrome of Chinese Medicine, Guangdong Provincial Hospital of Chinese Medicine, The Second Affiliated Hospital, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Xue-Qing Yu
- Guangdong-Hong Kong Joint Laboratory for Immunological and Genetic Kidney Diseases, Guangdong Academy of Medical Sciences, Guangdong Provincial People’s Hospital, Guangzhou, China
| | - Xu-Sheng Liu
- Department of Nephrology and State Key Laboratory of Dampness Syndrome of Chinese Medicine, Guangdong Provincial Hospital of Chinese Medicine, The Second Affiliated Hospital, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Hui-Yao Lan
- Department of Medicine and Therapeutics, Li Ka Shing Institute of Health Sciences, The Chinese University of Hong Kong, Hong Kong, China
- Guangdong-Hong Kong Joint Laboratory for Immunological and Genetic Kidney Diseases, Guangdong Academy of Medical Sciences, Guangdong Provincial People’s Hospital, Guangzhou, China
- Guangdong-Hong Kong Joint Laboratory for Immunological and Genetic Kidney Diseases, The Chinese University of Hong Kong, Hong Kong, China
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21
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Xu J, Liu L, Gan L, Hu Y, Xiang P, Xing Y, Zhu J, Ye S. Berberine Acts on C/EBPβ/lncRNA Gas5/miR-18a-5p Loop to Decrease the Mitochondrial ROS Generation in HK-2 Cells. Front Endocrinol (Lausanne) 2021; 12:675834. [PMID: 34526965 PMCID: PMC8435884 DOI: 10.3389/fendo.2021.675834] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/04/2021] [Accepted: 08/02/2021] [Indexed: 12/18/2022] Open
Abstract
BACKGROUND Berberine (BBR) has therapeutic effect on diabetic nephropathy (DN), but its molecular mechanism is not completely clear. METHODS The DN model was established to observe the therapeutic effect of BBR. The expression levels of lncRNA Gas5 were detected by PCR. The transcriptional regulation of CCAAT enhancer binding protein beta (C/EBPβ) on Gas5 was analyzed by chromatin immunoprecipitation quantitative PCR (ChIP-qPCR) and luciferase reporter gene assay. The targeted regulation between Gas5 and miR-18a-5p and between miR-18a-5p and C/EBPβ 3'-untranslated region (3'-UTR) was also analyzed. RESULTS In HG environment, BBR decreased the mitochondrial reactive oxygen species (ROS) generation and activated the C/EBPβ expression in HK-2 cells; C/EBPβ could combine with the reaction element on the promoter of Gas5 to promote its expression. Gas5 also inhibited the miR-18a-5p expression as competing endogenous RNA (ceRNA) and reduce the negative regulatory effect of miR-18a-5p on C/EBPβ. BBR could activate C/EBPβ/peroxisome proliferator-activated receptor gamma coactivator 1-alpha (PGC-1α) signal pathway, regulate mitochondrial energy metabolism, and inhibit ROS production and apoptosis by activating C/EBPβ/Gas5/miR-18a-5p positive feedback loop in HG environment. It also showed that BBR alleviated streptozotocin (STZ) induced renal injury in DN rats in vivo. CONCLUSIONS This study suggested that BBR could regulate the mitochondrial ROS generation by activating the positive feedback loop of C/EBPβ/Gas5/miR-18a-5p.
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Affiliation(s)
- Jiang Xu
- Department of Endocrinology, The First Affiliated Hospital of University of Science and Technology of China (USTC), Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, China
| | - Linqing Liu
- Department of Geriatrics, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, China
| | - Lin Gan
- Department of Microbiology, Anhui Medical University, Hefei, China
| | - Yuanyuan Hu
- Department of Endocrinology, The First Affiliated Hospital of University of Science and Technology of China (USTC), Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, China
| | - Ping Xiang
- Department of Urology, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, China
| | - Yan Xing
- Department of Endocrinology, The First Affiliated Hospital of University of Science and Technology of China (USTC), Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, China
| | - Jie Zhu
- Department of Endocrinology, The First Affiliated Hospital of University of Science and Technology of China (USTC), Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, China
| | - Shandong Ye
- Department of Endocrinology, The First Affiliated Hospital of University of Science and Technology of China (USTC), Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, China
- *Correspondence: Shandong Ye,
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22
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Ma N, Xu N, Yin D, Zheng P, Liu W, Wang G, Hui Y, Zhang J, Han G, Yang C, Chen Y, Cheng X, Cheng M. Circulating microRNA-194 levels in Chinese patients with diabetic kidney disease: a case-control study. Ther Adv Endocrinol Metab 2021; 12:20420188211049615. [PMID: 34676065 PMCID: PMC8524709 DOI: 10.1177/20420188211049615] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/30/2021] [Accepted: 09/12/2021] [Indexed: 11/16/2022] Open
Abstract
OBJECTIVE MicroRNAs (miRNAs) regulate gene expression and are involved in diabetic kidney disease (DKD) pathogenesis. We investigated circulating miRNA-194 levels as a biomarker of DKD prevalence and incidence, and the relationship between miRNA-194 and CCAAT/enhancer binding protein (C/EBP) homologous protein (CHOP). METHODS We recruited 136 type-2 diabetes mellitus (T2DM) patients at the First People's Hospital of Lianyungang and 127 healthy individuals. Circulating miRNA-194 and CHOP levels were measured using quantitative reverse transcription qRT-PCR and enzyme-linked immunosorbent assay (ELISA), respectively. Anthropometric and biochemistry measurements were also made. RESULTS T2DM patients showed higher circulating miRNA-194 (p = 0.029) and lower circulating CHOP (p < 0.001) levels than controls. Circulating miRNA-194 levels were significantly higher in T2DM patients with a microalbumin/creatinine ratio (UmALB/Cr) ⩾ 300 mg/g (p < 0.001). In addition, there were significant intergroup differences in the circulating CHOP concentrations (p = 0.005). Bivariate analysis revealed that circulating miR-194 levels were negatively correlated with alpha-fetoprotein and CHOP levels (r = -0.222, -0.301; p = 0.018, 0.001, respectively), but positively correlated with fasting glucose, UmALB/Cr, Cr, Cystatin C, quantitative insulin check index (QUICKI) (r = 0.193, 0.446, 0.260, 0.339, and 0.250, respectively; p = 0.036, <0.001, 0.005, <0.001, and 0.006, respectively), particularly UmALB/Cr and Cystatin C (p < 0.001). Logistic regression analysis after adjusting for covariates associated with UmALB/Cr identified duration of T2DM, systolic blood pressure, Cr, estimated glomerular filtration rate, and waist circumference as independent factors associated with T2DM patients with UmALB/Cr > 300 (p = 0.030, 0.013, <0.001, <0.001, and 0.031, respectively). CONCLUSION Circulating miRNA-194 levels could be a novel biomarker for DKD.
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Affiliation(s)
- Ning Ma
- Department of Endocrinology and Metabolism, The
First People’s Hospital of Lianyungang, Lianyungang, China
- Department of Endocrinology and Metabolism, The
First Affiliated Hospital of Soochow University, Suzhou, China
| | - Ning Xu
- Department of Endocrinology and Metabolism, The
First People’s Hospital of Lianyungang, Lianyungang, China
| | - Dong Yin
- Department of Endocrinology and Metabolism, The
First People’s Hospital of Lianyungang, Lianyungang, China
| | - Ping Zheng
- Department of Endocrinology and Metabolism, The
First People’s Hospital of Lianyungang, Lianyungang, China
| | - Weiwei Liu
- Department of Endocrinology and Metabolism, The
First People’s Hospital of Lianyungang, Lianyungang, China
| | - Guofeng Wang
- Department of Endocrinology and Metabolism, The
First People’s Hospital of Lianyungang, Lianyungang, China
| | - Yuan Hui
- Department of Endocrinology and Metabolism, The
First People’s Hospital of Lianyungang, Lianyungang, China
| | - Jiping Zhang
- Department of Endocrinology and Metabolism, The
First People’s Hospital of Lianyungang, Lianyungang, China
| | - Guanjun Han
- Department of Endocrinology and Metabolism,
The First People’s Hospital of Lianyungang, Lianyungang, China
| | - Chuanhui Yang
- Department of Endocrinology and Metabolism,
The First People’s Hospital of Lianyungang, Lianyungang, China
| | - Yiting Chen
- Department of Endocrinology and Metabolism,
The First Affiliated Hospital of Soochow University, Suzhou, China
| | | | - Ming Cheng
- School of Rail Transportation, Soochow
University, 1 Shizi Road, Suzhou 215006, Jiangsu, China
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23
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Guo C, Qi Y, Qu J, Gai L, Shi Y, Yuan C. Pathophysiological Functions of the lncRNA TUG1. Curr Pharm Des 2020; 26:688-700. [PMID: 31880241 DOI: 10.2174/1381612826666191227154009] [Citation(s) in RCA: 50] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2019] [Accepted: 12/23/2019] [Indexed: 12/24/2022]
Abstract
BACKGROUND Long non-coding RNAs (lncRNAs) with little or no coding capacity are associated with a plethora of cellular functions, participating in various biological processes. Cumulative study of lncRNA provides explanations to the physiological and pathological processes and new perspectives to the diagnosis, prevention, and treatment of some clinical diseases. Long non-coding RNA taurine-upregulated gene 1(TUG1) is one of the first identified lncRNAs associated with human disease, which actively involved in various physiological processes, including regulating genes at epigenetics, transcription, post-transcription, translation, and posttranslation. The aim of this review was to explore the molecular mechanism of TUG1 in various types of human diseases. METHODS In this review, we summarized and analyzed the latest findings related to the physiologic and pathophysiological processes of TUG1 in human diseases. The related studies were retrieved and selected the last six years of research articles in PubMed with lncRNA and TUG1 as keywords. RESULTS TUG1 is a valuable lncRNA that its dysregulated expression and regulating the biological processes were found in a variety of human diseases. TUG1 is found to exhibit aberrant expression in a variety of malignancies. Dysregulation of TUG1 has been shown to contribute to proliferation, migration, cell cycle changes, inhibited apoptosis, and drug resistance of cancer cells, which revealed an oncogenic role for this lncRNA, but some reports have shown downregulation of TUG1 in lung cancer samples compared with noncancerous samples. In addition, the molecular and biological functions of TUG1 in physiology and disease (relevant to endocrinology, metabolism, immunology, neurobiology) have also been highlighted. Finally, we discuss the limitations and tremendous diagnostic/therapeutic potential of TUG1 in cancer and other diseases. CONCLUSION Long non-coding RNA-TUG1 likely served as useful disease biomarkers or therapy targets and effectively applied in different kinds of diseases, such as human cancer and cardiovascular diseases.
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Affiliation(s)
- Chong Guo
- Department of Biochemistry, China Three Gorges University, Yichang City Hubei Province, China
| | - Yuying Qi
- Department of Biochemistry, China Three Gorges University, Yichang City Hubei Province, China
| | - Jiayuan Qu
- Department of Biochemistry, China Three Gorges University, Yichang City Hubei Province, China
| | - Liyue Gai
- Department of Biochemistry, China Three Gorges University, Yichang City Hubei Province, China
| | - Yue Shi
- Department of Biochemistry, China Three Gorges University, Yichang City Hubei Province, China
| | - Chengfu Yuan
- Department of Biochemistry, China Three Gorges University, Yichang City Hubei Province, China.,Tumor Microenvironment and Immunotherapy Key Laboratory of Hubei province in China, Yichang City, China
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24
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Ginsenoside Rg1 protects against aging-induced renal interstitial fibrosis due to inhibition of tubular epithelial cells endoplasmic reticulum stress in SAMP8 mice. J Funct Foods 2020. [DOI: 10.1016/j.jff.2020.104049] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022] Open
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25
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Guo F, Wang W, Song Y, Wu L, Wang J, Zhao Y, Ma X, Ji H, Liu Y, Li Z, Qin G. LncRNA SNHG17 knockdown promotes Parkin-dependent mitophagy and reduces apoptosis of podocytes through Mst1. Cell Cycle 2020; 19:1997-2006. [PMID: 32627655 PMCID: PMC7469517 DOI: 10.1080/15384101.2020.1783481] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2020] [Revised: 06/03/2020] [Accepted: 06/10/2020] [Indexed: 10/23/2022] Open
Abstract
LncRNAs play important roles in the regulation of podocyte apoptosis in diabetic nephropathy (DN). However, the role of lncRNA SNHG17 in controlling mitophagy-induced apoptosis of podocytes in DN is unknown. This study aims to elucidate the underlying mechanism of lncRNA SNHG17 in the regulation of mitophagy-induced apoptosis of podocytes in DN. LncRNA SNHG17 and Mammalian Sterile 20-like kinase 1 (Mst1) expression were upregulated in glomeruli and podocytes of DM mice and high glucose-treated podocytes, whereas Parkin expression was downregulated. LncRNA SNHG17 overexpression suppressed mitophagy and induced apoptosis of podocytes while silencing lncRNA SNHG17 promoted mitophagy and reduced the apoptosis of podocytes. In addition, lncRNA SNHG17 interacted with Mst1 and regulated the degradation of Mst1. We further found lncRNA SNHG17 regulated Parkin expression through Mst1. Mechanistically, lncRNA SNHG17 regulated Parkin-dependent mitophagy and apoptosis of podocytes through regulating Mst1. Finally, silencing lncRNA SNHG17 promoted mitophagy and relieved DNin vivo. In conclusion, lncRNA SNHG17 knockdown promotes Parkin-dependent mitophagy and reduces apoptosis of podocytes through regulating the degradation of Mst1.
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Affiliation(s)
- Feng Guo
- Division of Endocrinology, Department of Internal Medicine, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Weimin Wang
- Division of Hematology, Department of Internal Medicine, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Yi Song
- Division of Endocrinology, Department of Internal Medicine, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Lina Wu
- Division of Endocrinology, Department of Internal Medicine, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Jiao Wang
- Division of Endocrinology, Department of Internal Medicine, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Yanyan Zhao
- Division of Endocrinology, Department of Internal Medicine, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Xiaojun Ma
- Division of Endocrinology, Department of Internal Medicine, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Hongfei Ji
- Division of Endocrinology, Department of Internal Medicine, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Yanling Liu
- Division of Endocrinology, Department of Internal Medicine, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Zhizhen Li
- Division of Endocrinology, Department of Internal 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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26
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Loganathan TS, Sulaiman SA, Abdul Murad NA, Shah SA, Abdul Gafor AH, Jamal R, Abdullah N. Interactions Among Non-Coding RNAs in Diabetic Nephropathy. Front Pharmacol 2020; 11:191. [PMID: 32194418 PMCID: PMC7062796 DOI: 10.3389/fphar.2020.00191] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2019] [Accepted: 02/10/2020] [Indexed: 12/14/2022] Open
Abstract
Diabetic Nephropathy (DN) is the most common cause of End-stage renal disease (ESRD). Although various treatments and diagnosis applications are available, DN remains a clinical and economic burden. Recent findings showed that noncoding RNAs (ncRNAs) play an important role in DN progression, potentially can be used as biomarkers and therapeutic targets. NcRNAs refers to the RNA species that do not encode for any protein, and the most known ncRNAs are the microRNAs (miRNAs), long noncoding RNAs (lncRNAs), and circular RNAs (circRNAs). Dysregulation of these ncRNAs was reported before in DN patients and animal models of DN. Importantly, there are some interactions between these ncRNAs to regulate the crucial steps in DN progression. Here, we aimed to discuss the reported ncRNAs in DN and their interactions with critical genes in DN progression. Elucidating these ncRNAs regulatory network will allow for a better understanding of the molecular mechanisms in DN and how they can act as new biomarkers for DN and also as the potential targets for treatment.
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Affiliation(s)
- Tamil Selvi Loganathan
- UKM Medical Molecular Biology Institute, Universiti Kebangsaan Malaysia, Kuala Lumpur, Malaysia
| | - Siti Aishah Sulaiman
- UKM Medical Molecular Biology Institute, Universiti Kebangsaan Malaysia, Kuala Lumpur, Malaysia
| | - Nor Azian Abdul Murad
- UKM Medical Molecular Biology Institute, Universiti Kebangsaan Malaysia, Kuala Lumpur, Malaysia
| | - Shamsul Azhar Shah
- Department of Community Health, UKM Medical Centre, Universiti Kebangsaan Malaysia, Kuala Lumpur, Malaysia
| | - Abdul Halim Abdul Gafor
- Nephrology Unit, Faculty of Medicine, UKM Medical Centre, Universiti Kebangsaan Malaysia, Kuala Lumpur, Malaysia
| | - Rahman Jamal
- UKM Medical Molecular Biology Institute, Universiti Kebangsaan Malaysia, Kuala Lumpur, Malaysia
| | - Noraidatulakma Abdullah
- UKM Medical Molecular Biology Institute, Universiti Kebangsaan Malaysia, Kuala Lumpur, Malaysia
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27
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Fontecha-Barriuso M, Martin-Sanchez D, Martinez-Moreno JM, Monsalve M, Ramos AM, Sanchez-Niño MD, Ruiz-Ortega M, Ortiz A, Sanz AB. The Role of PGC-1α and Mitochondrial Biogenesis in Kidney Diseases. Biomolecules 2020; 10:biom10020347. [PMID: 32102312 PMCID: PMC7072614 DOI: 10.3390/biom10020347] [Citation(s) in RCA: 125] [Impact Index Per Article: 31.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2019] [Revised: 02/17/2020] [Accepted: 02/19/2020] [Indexed: 02/06/2023] Open
Abstract
Chronic kidney disease (CKD) is one of the fastest growing causes of death worldwide, emphasizing the need to develop novel therapeutic approaches. CKD predisposes to acute kidney injury (AKI) and AKI favors CKD progression. Mitochondrial derangements are common features of both AKI and CKD and mitochondria-targeting therapies are under study as nephroprotective agents. PGC-1α is a master regulator of mitochondrial biogenesis and an attractive therapeutic target. Low PGC-1α levels and decreased transcription of its gene targets have been observed in both preclinical AKI (nephrotoxic, endotoxemia, and ischemia-reperfusion) and in experimental and human CKD, most notably diabetic nephropathy. In mice, PGC-1α deficiency was associated with subclinical CKD and predisposition to AKI while PGC-1α overexpression in tubular cells protected from AKI of diverse causes. Several therapeutic strategies may increase kidney PGC-1α activity and have been successfully tested in animal models. These include AMP-activated protein kinase (AMPK) activators, phosphodiesterase (PDE) inhibitors, and anti-TWEAK antibodies. In conclusion, low PGC-1α activity appears to be a common feature of AKI and CKD and recent characterization of nephroprotective approaches that increase PGC-1α activity may pave the way for nephroprotective strategies potentially effective in both AKI and CKD.
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Affiliation(s)
- Miguel Fontecha-Barriuso
- Research Institute-Fundacion Jimenez Diaz, Autonoma University, 28040 Madrid, Spain; (M.F.-B.); (D.M.-S.); (J.M.M.-M.); (A.M.R.); (M.D.S.-N.); (M.R.-O.); (A.O.)
- REDINREN, 28040 Madrid, Spain
| | - Diego Martin-Sanchez
- Research Institute-Fundacion Jimenez Diaz, Autonoma University, 28040 Madrid, Spain; (M.F.-B.); (D.M.-S.); (J.M.M.-M.); (A.M.R.); (M.D.S.-N.); (M.R.-O.); (A.O.)
- REDINREN, 28040 Madrid, Spain
| | - Julio Manuel Martinez-Moreno
- Research Institute-Fundacion Jimenez Diaz, Autonoma University, 28040 Madrid, Spain; (M.F.-B.); (D.M.-S.); (J.M.M.-M.); (A.M.R.); (M.D.S.-N.); (M.R.-O.); (A.O.)
| | - Maria Monsalve
- Instituto de Investigaciones Biomédicas “Alberto Sols” (CSIC-UAM), 28029 Madrid, Spain;
| | - Adrian Mario Ramos
- Research Institute-Fundacion Jimenez Diaz, Autonoma University, 28040 Madrid, Spain; (M.F.-B.); (D.M.-S.); (J.M.M.-M.); (A.M.R.); (M.D.S.-N.); (M.R.-O.); (A.O.)
- REDINREN, 28040 Madrid, Spain
| | - Maria Dolores Sanchez-Niño
- Research Institute-Fundacion Jimenez Diaz, Autonoma University, 28040 Madrid, Spain; (M.F.-B.); (D.M.-S.); (J.M.M.-M.); (A.M.R.); (M.D.S.-N.); (M.R.-O.); (A.O.)
- REDINREN, 28040 Madrid, Spain
| | - Marta Ruiz-Ortega
- Research Institute-Fundacion Jimenez Diaz, Autonoma University, 28040 Madrid, Spain; (M.F.-B.); (D.M.-S.); (J.M.M.-M.); (A.M.R.); (M.D.S.-N.); (M.R.-O.); (A.O.)
- REDINREN, 28040 Madrid, Spain
- School of Medicine, UAM, 28029 Madrid, Spain
| | - Alberto Ortiz
- Research Institute-Fundacion Jimenez Diaz, Autonoma University, 28040 Madrid, Spain; (M.F.-B.); (D.M.-S.); (J.M.M.-M.); (A.M.R.); (M.D.S.-N.); (M.R.-O.); (A.O.)
- REDINREN, 28040 Madrid, Spain
- School of Medicine, UAM, 28029 Madrid, Spain
- IRSIN, 28040 Madrid, Spain
| | - Ana Belen Sanz
- Research Institute-Fundacion Jimenez Diaz, Autonoma University, 28040 Madrid, Spain; (M.F.-B.); (D.M.-S.); (J.M.M.-M.); (A.M.R.); (M.D.S.-N.); (M.R.-O.); (A.O.)
- REDINREN, 28040 Madrid, Spain
- Correspondence: ; Tel.: +34-91-550-48-00
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28
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Li C, Guan XM, Wang RY, Xie YS, Zhou H, Ni WJ, Tang LQ. Berberine mitigates high glucose-induced podocyte apoptosis by modulating autophagy via the mTOR/P70S6K/4EBP1 pathway. Life Sci 2020; 243:117277. [DOI: 10.1016/j.lfs.2020.117277] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2019] [Revised: 01/01/2020] [Accepted: 01/02/2020] [Indexed: 12/16/2022]
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29
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Zhang L, Wen Z, Han L, Zheng Y, Wei Y, Wang X, Wang Q, Fang X, Zhao L, Tong X. Research Progress on the Pathological Mechanisms of Podocytes in Diabetic Nephropathy. J Diabetes Res 2020; 2020:7504798. [PMID: 32695831 PMCID: PMC7368941 DOI: 10.1155/2020/7504798] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/02/2020] [Revised: 06/03/2020] [Accepted: 06/23/2020] [Indexed: 02/06/2023] Open
Abstract
Diabetic nephropathy (DN) is not only an important microvascular complication of diabetes but also the main cause of end-stage renal disease. Studies have shown that the occurrence and development of DN are closely related to morphological and functional changes in podocytes. A series of morphological changes after podocyte injury in DN mainly include podocyte hypertrophy, podocyte epithelial-mesenchymal transdifferentiation, podocyte detachment, and podocyte apoptosis; functional changes mainly involve podocyte autophagy. More and more studies have shown that multiple signaling pathways play important roles in the progression of podocyte injury in DN. Here, we review research progress on the pathological mechanism of morphological and functional changes in podocytes associated with DN, to provide a new target for delaying the occurrence and development of this disorder.
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Affiliation(s)
- Lili Zhang
- Department of Endocrinology, Guang'anmen Hospital, China Academy of Chinese Medical Sciences, Beijing 100053, China
| | - Zhige Wen
- Department of Endocrinology, Guang'anmen Hospital, China Academy of Chinese Medical Sciences, Beijing 100053, China
| | - Lin Han
- Department of Endocrinology, Guang'anmen Hospital, China Academy of Chinese Medical Sciences, Beijing 100053, China
| | - Yujiao Zheng
- Graduate College, Beijing University of Traditional Chinese Medicine, Beijing 100029, China
| | - Yu Wei
- Graduate College, Beijing University of Traditional Chinese Medicine, Beijing 100029, China
| | - Xinmiao Wang
- Department of Endocrinology, Guang'anmen Hospital, China Academy of Chinese Medical Sciences, Beijing 100053, China
| | - Qing Wang
- Graduate College, Beijing University of Traditional Chinese Medicine, Beijing 100029, China
| | - Xinyi Fang
- Graduate College, Beijing University of Traditional Chinese Medicine, Beijing 100029, China
| | - Linhua Zhao
- Department of Endocrinology, Guang'anmen Hospital, China Academy of Chinese Medical Sciences, Beijing 100053, China
| | - Xiaolin Tong
- Department of Endocrinology, Guang'anmen Hospital, China Academy of Chinese Medical Sciences, Beijing 100053, China
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30
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Wang R, Yan Y, Li C. LINC00462 is involved in high glucose-induced apoptosis of renal tubular epithelial cells via AKT pathway. Cell Biol Int 2020; 44:286-294. [PMID: 31489995 DOI: 10.1002/cbin.11231] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2019] [Accepted: 08/31/2019] [Indexed: 01/24/2023]
Abstract
New evidences suggest that long non-coding RNAs (lncRNAs) may play important roles in a variety of kidney diseases, including diabetic nephropathy (DN). Our present study investigated the potential function of LINC00462 in high glucose (HG)-induced apoptosis of renal tubular epithelial cells (RTEC) and to determine the underlying mechanism. The expression of LINC00462 in renal biopsy tissues was examined using quantitative reverse-transcription polymerase chain reaction (qRT-PCR). Then, a loss of function assay was performed to determine the protective effect of LINC00462 in HG-induced RTEC damage. In addition, the downstream signaling pathway of LINC00462 was also investigated. The qRT-PCR results showed that the expression of LINC00462 was significantly up-regulated in renal biopsies from DN patients. At the same time, LINC00462 was enhanced in a glucose concentration- and time-dependent manner in human kidney (HK-2 and HKC) cells subjected to HG treatment. The knockdown of LINC00462 improved the significantly reduced cell viability of HG treatment, decreased HG-induced reactive oxygen species (ROS) and malondialdehyde levels, and up-regulated the response of antioxidant systems to ROS by increasing superoxide dismutase and catalase levels. In addition, knockdown of LINC00462 inhibited HG-induced cell apoptosis and affected the expression of apoptosis-related proteins. Most importantly, we found that knockdown of LINC00462 enhanced the expression of p-AKT. Moreover, AKT-specific inhibitor LY294002 restored the effect of LINC00462 knockdown on apoptosis. In conclusion, our study demonstrated that knockdown of LINC00462 can ameliorate oxidative stress and apoptosis in HG-induced RTEC by activating the AKT pathway, suggesting that knockdown of LINC00462 may provide a potential therapeutic approach for DN.
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Affiliation(s)
- Ruixin Wang
- Department of Nephrology, The Fifth Affiliated Hospital of Guangzhou Medical University, 621 Gangwan Road, Huangpu District, Guangzou, Guangdong, 510730, P.R. China
| | - Yuehong Yan
- Department of Nephrology, The Fifth Affiliated Hospital of Guangzhou Medical University, 621 Gangwan Road, Huangpu District, Guangzou, Guangdong, 510730, P.R. China
| | - Cuicui Li
- Department of Nephrology, The Fifth Affiliated Hospital of Guangzhou Medical University, 621 Gangwan Road, Huangpu District, Guangzou, Guangdong, 510730, P.R. China
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31
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How Epigenetic Modifications Drive the Expression and Mediate the Action of PGC-1α in the Regulation of Metabolism. Int J Mol Sci 2019; 20:ijms20215449. [PMID: 31683747 PMCID: PMC6862278 DOI: 10.3390/ijms20215449] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2019] [Revised: 10/29/2019] [Accepted: 10/29/2019] [Indexed: 12/12/2022] Open
Abstract
Epigenetic changes are a hallmark of short- and long-term transcriptional regulation, and hence instrumental in the control of cellular identity and plasticity. Epigenetic mechanisms leading to changes in chromatin structure, accessibility for recruitment of transcriptional complexes, and interaction of enhancers and promoters all contribute to acute and chronic adaptations of cells, tissues and organs to internal and external perturbations. Similarly, the peroxisome proliferator-activated receptor γ coactivator 1α (PGC-1α) is activated by stimuli that alter the cellular energetic demand, and subsequently controls complex transcriptional networks responsible for cellular plasticity. It thus is of no surprise that PGC-1α is under the control of epigenetic mechanisms, and constitutes a mediator of epigenetic changes in various tissues and contexts. In this review, we summarize the current knowledge of the link between epigenetics and PGC-1α in health and disease.
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Jin J, Zhang Z, Chen J, Liu Y, Chen Q, Wang Q. Jixuepaidu Tang-1 inhibits epithelial-mesenchymal transition and alleviates renal damage in DN mice through suppressing long non-coding RNA LOC498759. Cell Cycle 2019; 18:3125-3136. [PMID: 31564202 DOI: 10.1080/15384101.2019.1669986] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022] Open
Abstract
Jixuepaidu Tang-1 is obtained from the decoction of the Chinese traditional medicinal plants including Centella asiatica, Astragalus membranaceus, and Sanguis draconis. Transforming growth factor-β1 (TGF-β1)/serum- and glucocorticoid-inducible kinase-1 (SGK1)-induced epithelial-mesenchymal transition (EMT) plays a pivotal role in the pathogenesis of diabetic nephropathy (DN). In addition, long non-coding RNAs (lnRNAs) participate in the development of DN, but the role of lncRNA LOC498759 in DN is still unclear. This study aims to investigate the role of Jixuepaidu Tang-1 in regulating podocyte injury and renal damage in DN and to validate whether the mechanisms involve TGF-β1/SGK1 signaling and LOC498759. The drug treatment was initiated 2 weeks after the DN modeling. The MTT method and TUNEL staining were used to measure cell viability and apoptosis, respectively. Immunofluorescence staining was used to detect the expression of nephrin and desmin in podocytes. Sera from the Jixuepaidu Tang-1-treated mice reversed the high glucose (HG)-induced podocyte injury and EMT in mouse podocytes. Further in vivo assay revealed that Jixuepaidu Tang-1 not only reduced the ratio of the kidney to body weight, 24 h-urine total protein, and blood glucose, but alleviated glomerular mesangial extracellular matrix deposition and glomerular cell apoptosis in the streptozotocin-induced DN mice. Mechanically, the mechanisms of Jixuepaidu Tang-1 may involve the suppression of EMT by inhibiting the TGF-β1/SGK1-induced LOC498759 expression. Collectively, Jixuepaidu Tang-1 attenuates podocyte injury and renal damage in DN, and inhibits EMT through suppressing TGF-β1/SGK1-LOC498759 signaling.
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Affiliation(s)
- Jing Jin
- Department of Integrated Traditional Chinese and Western Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology , Wuhan , China.,Department of Encephalopathy, Wuhan hospital of Traditional Chinese Medicine , Wuhan , China
| | - Zhe Zhang
- Department of Physical Examination, The central hospital of Wuhan, Tongji Medical College, Huazhong University of Science and Technology , Wuhan , China
| | - Jianwu Chen
- Department of Integrated Traditional Chinese and Western Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology , Wuhan , China
| | - Yujin Liu
- Department of Integrated Traditional Chinese and Western Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology , Wuhan , China
| | - Qianyun Chen
- Department of Integrated Traditional Chinese and Western Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology , Wuhan , China
| | - Quansheng Wang
- Department of Integrated Traditional Chinese and Western Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology , Wuhan , China
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33
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Long Non-Coding RNAs in Kidney Disease. Int J Mol Sci 2019; 20:ijms20133276. [PMID: 31277300 PMCID: PMC6650856 DOI: 10.3390/ijms20133276] [Citation(s) in RCA: 64] [Impact Index Per Article: 12.8] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2019] [Revised: 06/30/2019] [Accepted: 07/01/2019] [Indexed: 02/01/2023] Open
Abstract
Non-coding RNA species contribute more than 90% of all transcripts and have gained increasing attention in the last decade. One of the most recent members of this group are long non-coding RNAs (lncRNAs) which are characterized by a length of more than 200 nucleotides and a lack of coding potential. However, in contrast to this simple definition, lncRNAs are heterogenous regarding their molecular function—including the modulation of small RNA and protein function, guidance of epigenetic modifications and a role as enhancer RNAs. Furthermore, they show a highly tissue-specific expression pattern. These aspects already point towards an important role in cellular biology and imply lncRNAs as players in development, health and disease. This view has been confirmed by numerous publications from different fields in the last years and has raised the question as to whether lncRNAs may be future therapeutic targets in human disease. Here, we provide a concise overview of the current knowledge on lncRNAs in both glomerular and tubulointerstitial kidney disease.
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34
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Li Y, Huang D, Zheng L, Cao H, Gao Y, Yang Y, Fan Z. Retracted Article: Long non-coding RNA TUG1 alleviates high glucose induced podocyte inflammation, fibrosis and apoptosis in diabetic nephropathy via targeting the miR-27a-3p/E2F3 axis. RSC Adv 2019; 9:37620-37629. [PMID: 35542278 PMCID: PMC9075754 DOI: 10.1039/c9ra06136c] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2019] [Accepted: 11/01/2019] [Indexed: 12/12/2022] Open
Abstract
Diabetic nephropathy (DN) is the most common cause of end-stage renal disease (ESRD) in developed countries.
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Affiliation(s)
- Yang Li
- Department of Nephropathy and Rheumatology
- Central South University Xiangya School of Medicine Affiliated Haikou Hospital
- Haikou
- China
| | - Denggao Huang
- Department of Central Lab
- Central South University Xiangya School of Medicine Affiliated Haikou Hospital
- Haikou
- China
| | - Linlin Zheng
- Department of Central Lab
- Central South University Xiangya School of Medicine Affiliated Haikou Hospital
- Haikou
- China
| | - Hui Cao
- Department of Central Lab
- Central South University Xiangya School of Medicine Affiliated Haikou Hospital
- Haikou
- China
| | - Yuanhui Gao
- Department of Central Lab
- Central South University Xiangya School of Medicine Affiliated Haikou Hospital
- Haikou
- China
| | - Yongmei Yang
- Department of Nephropathy and Rheumatology
- Central South University Xiangya School of Medicine Affiliated Haikou Hospital
- Haikou
- China
| | - Zhongcheng Fan
- Department of Orthopedic
- Central South University Xiangya School of Medicine Affiliated Haikou Hospital
- Haikou
- China
| |
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