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Ahn Y, Park JH. Novel Potential Therapeutic Targets in Autosomal Dominant Polycystic Kidney Disease from the Perspective of Cell Polarity and Fibrosis. Biomol Ther (Seoul) 2024; 32:291-300. [PMID: 38589290 PMCID: PMC11063481 DOI: 10.4062/biomolther.2023.207] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2023] [Revised: 12/18/2023] [Accepted: 12/26/2023] [Indexed: 04/10/2024] Open
Abstract
Autosomal dominant polycystic kidney disease (ADPKD), a congenital genetic disorder, is a notable contributor to the prevalence of chronic kidney disease worldwide. Despite the absence of a complete cure, ongoing research aims for early diagnosis and treatment. Although agents such as tolvaptan and mTOR inhibitors have been utilized, their effectiveness in managing the disease during its initial phase has certain limitations. This review aimed to explore new targets for the early diagnosis and treatment of ADPKD, considering ongoing developments. We particularly focus on cell polarity, which is a key factor that influences the process and pace of cyst formation. In addition, we aimed to identify agents or treatments that can prevent or impede the progression of renal fibrosis, ultimately slowing its trajectory toward end-stage renal disease. Recent advances in slowing ADPKD progression have been examined, and potential therapeutic approaches targeting multiple pathways have been introduced. This comprehensive review discusses innovative strategies to address the challenges of ADPKD and provides valuable insights into potential avenues for its prevention and treatment.
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Affiliation(s)
- Yejin Ahn
- Department of Biological Sciences, Sookmyung Women’s University, Seoul, 04310, 04310, Republic of Korea
| | - Jong Hoon Park
- Department of Biological Sciences, Sookmyung Women’s University, Seoul, 04310, 04310, Republic of Korea
- Research Institute of Women’s Health, Sookmyung Women’s University, Seoul, 04310, Republic of Korea
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Zhang MD, Huang WY, Luo JY, He RQ, Huang ZG, Li JD, Qin F, Chen G, Lei L. The 'whole landscape' of research on systemic sclerosis over the past 73 years. Autoimmun Rev 2024; 23:103538. [PMID: 38556034 DOI: 10.1016/j.autrev.2024.103538] [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: 01/08/2024] [Revised: 03/28/2024] [Accepted: 03/28/2024] [Indexed: 04/02/2024]
Abstract
OBJECTIVE This study aimed to analyse existing research on systemic sclerosis (SSc) conducted over the past 73 years to develop an essential reference for a comprehensive and objective understanding of this field of inquiry. METHODS Using the Web of Science Core Collection, PubMed, and Scopus databases as data sources for the bibliometric analysis, we searched for published literature related to SSc over the past 73 years. The Bibliometrix package was used to analyse key bibliometric indicators, such as annual publication volume, countries, journals, author contributions, and research hotspots. RESULTS From 1970 to 2022, the number of SSc articles steadily increased, reaching its peak in 2020-2022, with approximately 1200 papers published in each of these three years. Matucci-Cerinic et al.'s team published the most articles (425). The United States (11,282), Italy (7027), and France (5226) were the most predominant contexts. The most influential scholars in the field were Denton, Leroy, Steen, and Khanna, with H-indices of 86, 84, and 83, respectively. Arthritis and Rheumatism was the most influential journal in this field (H-index 142). High-frequency keywords in the SSc field included fibrosis (738), inflammation (242), vasculopathy (145), fibroblasts (120), and autoantibodies (118) with respect to pathogenesis, and interstitial lung disease (ILD, 708), pulmonary arterial hypertension (PAH, 696), and Raynaud's phenomenon (326) with regards to clinical manifestations. CONCLUSION In the past three years, SSc research has entered a period of rapid development, mainly driven by research institutions in Europe and the United States. The most influential journal has been Arthritis and Rheumatism, and autoimmune aspects, vasculopathy, fibrogenesis, PAH, and ILD remain the focus of current research and indicate trends in future research.
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Affiliation(s)
- Meng-Di Zhang
- Department of Pathology, The First Affiliated Hospital of Guangxi Medical University, Guangxi Zhuang Autonomous Region, No. 6, Shuangyong Road, 530021 Nanning, PR China
| | - Wan-Ying Huang
- Department of Pathology, The First Affiliated Hospital of Guangxi Medical University, Guangxi Zhuang Autonomous Region, No. 6, Shuangyong Road, 530021 Nanning, PR China
| | - Jia-Yuan Luo
- Department of Pathology, The First Affiliated Hospital of Guangxi Medical University, Guangxi Zhuang Autonomous Region, No. 6, Shuangyong Road, 530021 Nanning, PR China
| | - Rong-Quan He
- Department of Medical Oncology, The First Affiliated Hospital of Guangxi Medical University, Guangxi Zhuang Autonomous Region, No. 6, Shuangyong Road, 530021 Nanning, PR China
| | - Zhi-Guang Huang
- Department of Pathology, The First Affiliated Hospital of Guangxi Medical University, Guangxi Zhuang Autonomous Region, No. 6, Shuangyong Road, 530021 Nanning, PR China
| | - Jian-Di Li
- Department of Pathology, The First Affiliated Hospital of Guangxi Medical University, Guangxi Zhuang Autonomous Region, No. 6, Shuangyong Road, 530021 Nanning, PR China
| | - Fang Qin
- Department of Rheumatology and Immunology, The First Affiliated Hospital of Guangxi Medical University, Guangxi Zhuang Autonomous Region, No. 6, Shuangyong Road, 530021 Nanning, PR China
| | - Gang Chen
- Department of Pathology, The First Affiliated Hospital of Guangxi Medical University, Guangxi Zhuang Autonomous Region, No. 6, Shuangyong Road, 530021 Nanning, PR China.
| | - Ling Lei
- Department of Rheumatology and Immunology, The First Affiliated Hospital of Guangxi Medical University, Guangxi Zhuang Autonomous Region, No. 6, Shuangyong Road, 530021 Nanning, PR China.
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Reiss AB, Jacob B, Zubair A, Srivastava A, Johnson M, De Leon J. Fibrosis in Chronic Kidney Disease: Pathophysiology and Therapeutic Targets. J Clin Med 2024; 13:1881. [PMID: 38610646 PMCID: PMC11012936 DOI: 10.3390/jcm13071881] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2024] [Revised: 03/18/2024] [Accepted: 03/20/2024] [Indexed: 04/14/2024] Open
Abstract
Chronic kidney disease (CKD) is a slowly progressive condition characterized by decreased kidney function, tubular injury, oxidative stress, and inflammation. CKD is a leading global health burden that is asymptomatic in early stages but can ultimately cause kidney failure. Its etiology is complex and involves dysregulated signaling pathways that lead to fibrosis. Transforming growth factor (TGF)-β is a central mediator in promoting transdifferentiation of polarized renal tubular epithelial cells into mesenchymal cells, resulting in irreversible kidney injury. While current therapies are limited, the search for more effective diagnostic and treatment modalities is intensive. Although biopsy with histology is the most accurate method of diagnosis and staging, imaging techniques such as diffusion-weighted magnetic resonance imaging and shear wave elastography ultrasound are less invasive ways to stage fibrosis. Current therapies such as renin-angiotensin blockers, mineralocorticoid receptor antagonists, and sodium/glucose cotransporter 2 inhibitors aim to delay progression. Newer antifibrotic agents that suppress the downstream inflammatory mediators involved in the fibrotic process are in clinical trials, and potential therapeutic targets that interfere with TGF-β signaling are being explored. Small interfering RNAs and stem cell-based therapeutics are also being evaluated. Further research and clinical studies are necessary in order to avoid dialysis and kidney transplantation.
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Affiliation(s)
- Allison B. Reiss
- Department of Medicine and Biomedical Research Institute, NYU Grossman Long Island School of Medicine, Mineola, NY 11501, USA; (B.J.); (A.Z.); (A.S.); (M.J.); (J.D.L.)
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van Heugten MH, Blijdorp CJ, Arjune S, van Willigenburg H, Bezstarosti K, Demmers JA, Musterd-Bhaggoe U, Meijer E, Gansevoort RT, Zietse R, Hayat S, Kramann R, Müller RU, Salih M, Hoorn EJ. Matrix Metalloproteinase-7 in Urinary Extracellular Vesicles Identifies Rapid Disease Progression in Autosomal Dominant Polycystic Kidney Disease. J Am Soc Nephrol 2024; 35:321-334. [PMID: 38073039 PMCID: PMC10914202 DOI: 10.1681/asn.0000000000000277] [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: 05/17/2023] [Accepted: 11/12/2023] [Indexed: 03/02/2024] Open
Abstract
SIGNIFICANCE STATEMENT There is an unmet need for biomarkers of disease progression in autosomal dominant polycystic kidney disease (ADPKD). This study investigated urinary extracellular vesicles (uEVs) as a source of such biomarkers. Proteomic analysis of uEVs identified matrix metalloproteinase 7 (MMP-7) as a biomarker predictive of rapid disease progression. In validation studies, MMP-7 was predictive in uEVs but not in whole urine, possibly because uEVs are primarily secreted by tubular epithelial cells. Indeed, single-nucleus RNA sequencing showed that MMP-7 was especially increased in proximal tubule and thick ascending limb cells, which were further characterized by a profibrotic phenotype. Together, these data suggest that MMP-7 is a biologically plausible and promising uEV biomarker for rapid disease progression in ADPKD. BACKGROUND In ADPKD, there is an unmet need for early markers of rapid disease progression to facilitate counseling and selection for kidney-protective therapy. Our aim was to identify markers for rapid disease progression in uEVs. METHODS Six paired case-control groups ( n =10-59/group) of cases with rapid disease progression and controls with stable disease were formed from two independent ADPKD cohorts, with matching by age, sex, total kidney volume, and genetic variant. Candidate uEV biomarkers were identified by mass spectrometry and further analyzed using immunoblotting and an ELISA. Single-nucleus RNA sequencing of healthy and ADPKD tissue was used to identify the cellular origin of the uEV biomarker. RESULTS In the discovery proteomics experiments, the protein abundance of MMP-7 was significantly higher in uEVs of patients with rapid disease progression compared with stable disease. In the validation groups, a significant >2-fold increase in uEV-MMP-7 in patients with rapid disease progression was confirmed using immunoblotting. By contrast, no significant difference in MMP-7 was found in whole urine using ELISA. Compared with healthy kidney tissue, ADPKD tissue had significantly higher MMP-7 expression in proximal tubule and thick ascending limb cells with a profibrotic phenotype. CONCLUSIONS Among patients with ADPKD, rapid disease progressors have higher uEV-associated MMP-7. Our findings also suggest that MMP-7 is a biologically plausible biomarker for more rapid disease progression.
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Affiliation(s)
- Martijn H. van Heugten
- Division of Nephrology and Transplantation, Department of Internal Medicine, Erasmus Medical Center, Rotterdam, The Netherlands
| | - Charles J. Blijdorp
- Division of Nephrology and Transplantation, Department of Internal Medicine, Erasmus Medical Center, Rotterdam, The Netherlands
| | - Sita Arjune
- Department II of Internal Medicine and Center for Molecular Medicine, University of Cologne, Cologne, Germany
- Cologne Excellence Cluster on Cellular Stress Responses in Aging-Associated Diseases (CECAD), Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne, Germany
- Faculty of Medicine and University Hospital Cologne, Center for Rare Diseases Cologne, University of Cologne, Cologne, Germany
| | - Hester van Willigenburg
- Division of Nephrology and Transplantation, Department of Internal Medicine, Erasmus Medical Center, Rotterdam, The Netherlands
| | - Karel Bezstarosti
- Proteomics Center, Erasmus Medical Center, Rotterdam, The Netherlands
| | | | - Usha Musterd-Bhaggoe
- Division of Nephrology and Transplantation, Department of Internal Medicine, Erasmus Medical Center, Rotterdam, The Netherlands
| | - Esther Meijer
- Department of Internal Medicine, University Medical Center Groningen, Groningen, The Netherlands
| | - Ron T. Gansevoort
- Department of Internal Medicine, University Medical Center Groningen, Groningen, The Netherlands
| | - Robert Zietse
- Division of Nephrology and Transplantation, Department of Internal Medicine, Erasmus Medical Center, Rotterdam, The Netherlands
| | - Sikander Hayat
- Medical Faculty, Institute of Experimental Medicine and Systems Biology, RWTH Aachen University, Aachen, Germany
| | - Rafael Kramann
- Division of Nephrology and Transplantation, Department of Internal Medicine, Erasmus Medical Center, Rotterdam, The Netherlands
- Medical Faculty, Institute of Experimental Medicine and Systems Biology, RWTH Aachen University, Aachen, Germany
- Division of Nephrology, RWTH Aachen University, Aachen, Germany
| | - Roman-Ulrich Müller
- Department II of Internal Medicine and Center for Molecular Medicine, University of Cologne, Cologne, Germany
- Cologne Excellence Cluster on Cellular Stress Responses in Aging-Associated Diseases (CECAD), Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne, Germany
- Faculty of Medicine and University Hospital Cologne, Center for Rare Diseases Cologne, University of Cologne, Cologne, Germany
| | - Mahdi Salih
- Division of Nephrology and Transplantation, Department of Internal Medicine, Erasmus Medical Center, Rotterdam, The Netherlands
| | - Ewout J. Hoorn
- Division of Nephrology and Transplantation, Department of Internal Medicine, Erasmus Medical Center, Rotterdam, The Netherlands
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Cheng T, Mariappan A, Langner E, Shim K, Gopalakrishnan J, Mahjoub MR. Inhibiting centrosome clustering reduces cystogenesis and improves kidney function in autosomal dominant polycystic kidney disease. JCI Insight 2024; 9:e172047. [PMID: 38385746 DOI: 10.1172/jci.insight.172047] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2023] [Accepted: 01/17/2024] [Indexed: 02/23/2024] Open
Abstract
Autosomal dominant polycystic kidney disease (ADPKD) is a monogenic disorder accounting for approximately 5% of patients with renal failure, yet therapeutics for the treatment of ADPKD remain limited. ADPKD tissues display abnormalities in the biogenesis of the centrosome, a defect that can cause genome instability, aberrant ciliary signaling, and secretion of pro-inflammatory factors. Cystic cells form excess centrosomes via a process termed centrosome amplification (CA), which causes abnormal multipolar spindle configurations, mitotic catastrophe, and reduced cell viability. However, cells with CA can suppress multipolarity via "centrosome clustering," a key mechanism by which cells circumvent apoptosis. Here, we demonstrate that inhibiting centrosome clustering can counteract the proliferation of renal cystic cells with high incidences of CA. Using ADPKD human cells and mouse models, we show that preventing centrosome clustering with 2 inhibitors, CCB02 and PJ34, blocks cyst initiation and growth in vitro and in vivo. Inhibiting centrosome clustering activates a p53-mediated surveillance mechanism leading to apoptosis, reduced cyst expansion, decreased interstitial fibrosis, and improved kidney function. Transcriptional analysis of kidneys from treated mice identified pro-inflammatory signaling pathways implicated in CA-mediated cystogenesis and fibrosis. Our results demonstrate that centrosome clustering is a cyst-selective target for the improvement of renal morphology and function in ADPKD.
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Affiliation(s)
- Tao Cheng
- Department of Medicine, Nephrology Division, Washington University School of Medicine, St. Louis, Missouri, USA
| | - Aruljothi Mariappan
- Institute of Human Genetics, Heinrich-Heine-Universität Düsseldorf, Düsseldorf, Germany
| | - Ewa Langner
- Department of Medicine, Nephrology Division, Washington University School of Medicine, St. Louis, Missouri, USA
| | - Kyuhwan Shim
- Department of Medicine, Nephrology Division, Washington University School of Medicine, St. Louis, Missouri, USA
| | - Jay Gopalakrishnan
- Institute of Human Genetics, Heinrich-Heine-Universität Düsseldorf, Düsseldorf, Germany
- Institute of Human Genetics, Jena University Hospital, Friedrich Schiller University, Jena, Jena, Germany
| | - Moe R Mahjoub
- Department of Medicine, Nephrology Division, Washington University School of Medicine, St. Louis, Missouri, USA
- Department of Cell Biology and Physiology, Washington University School of Medicine, St. Louis, Missouri, USA
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Aboshouk DR, Youssef MA, Bekheit MS, Hamed AR, Girgis AS. Antineoplastic indole-containing compounds with potential VEGFR inhibitory properties. RSC Adv 2024; 14:5690-5728. [PMID: 38362086 PMCID: PMC10866129 DOI: 10.1039/d3ra08962b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2023] [Accepted: 01/29/2024] [Indexed: 02/17/2024] Open
Abstract
Cancer is one of the most significant health challenges worldwide. Various techniques, tools and therapeutics/materials have been developed in the last few decades for the treatment of cancer, together with great interest, funding and efforts from the scientific society. However, all the reported studies and efforts seem insufficient to combat the various types of cancer, especially the advanced ones. The overexpression of tyrosine kinases is associated with cancer proliferation and/or metastasis. VEGF, an important category of tyrosine kinases, and its receptors (VEGFR) are hyper-activated in different cancers. Accordingly, they are known as important factors in the angiogenesis of different tumors and are considered in the development of effective therapeutic approaches for controlling many types of cancer. In this case, targeted therapeutic approaches are preferable to the traditional non-selective approaches to minimize the side effects and drawbacks associated with treatment. Several indole-containing compounds have been identified as effective agents against VEGFR. Herein, we present a summary of the recent indolyl analogs reported within the last decade (2012-2023) with potential antineoplastic and VEGFR inhibitory properties. The most important drugs, natural products, synthesized potent compounds and promising hits/leads are highlighted. Indoles functionalized and conjugated with various heterocycles beside spiroindoles are also considered.
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Affiliation(s)
- Dalia R Aboshouk
- Department of Pesticide Chemistry, National Research Centre Dokki Giza 12622 Egypt
| | - M Adel Youssef
- Department of Chemistry, Faculty of Science, Helwan University Helwan Egypt
| | - Mohamed S Bekheit
- Department of Pesticide Chemistry, National Research Centre Dokki Giza 12622 Egypt
| | - Ahmed R Hamed
- Chemistry of Medicinal Plants Department, National Research Centre Dokki Giza 12622 Egypt
| | - Adel S Girgis
- Department of Pesticide Chemistry, National Research Centre Dokki Giza 12622 Egypt
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Plonsky-Toder M, Magen D, Pollack S. Innate Immunity and CKD: Is There a Significant Association? Cells 2023; 12:2714. [PMID: 38067142 PMCID: PMC10705738 DOI: 10.3390/cells12232714] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2023] [Revised: 11/20/2023] [Accepted: 11/24/2023] [Indexed: 12/18/2023] Open
Abstract
Chronic kidney disease (CKD) constitutes a worldwide epidemic, affecting approximately 10% of the global population, and imposes significant medical, psychological, and financial burdens on society. Individuals with CKD often face elevated morbidity and mortality rates, mainly due to premature cardiovascular events. Chronic inflammation has been shown to play a significant role in the progression of CKD, as well as in the acceleration of CKD-related complications, including atherosclerosis, cardiovascular disease (CVD), protein-energy wasting, and the aging process. Over the past two decades, a substantial body of evidence has emerged, identifying chronic inflammation as a central element of the uremic phenotype. Chronic inflammation has been shown to play a significant role in the progression of CKD, as well as in the acceleration of CKD-related complications in dialysis patients, including atherosclerosis, CVD, protein-energy wasting, and the aging process. Remarkably, chronic inflammation also impacts patients with CKD who have not yet required renal replacement therapy. While extensive research has been conducted on the involvement of both the adaptive and innate immune systems in the pathogenesis of CKD-related complications, this wealth of data has not yet yielded well-established, effective treatments to counteract this ongoing pathological process. In the following review, we will examine the established components of the innate immune system known to be activated in CKD and provide an overview of the current therapeutic approaches designed to mitigate CKD-related chronic inflammation.
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Affiliation(s)
- Moran Plonsky-Toder
- Pediatric Nephrology Institution, Rambam Health Care Campus, Haifa 3109601, Israel
- Faculty of Medicine, Technion-Israeli Institute of Technology, Haifa 3109601, Israel
| | - Daniella Magen
- Pediatric Nephrology Institution, Rambam Health Care Campus, Haifa 3109601, Israel
- Faculty of Medicine, Technion-Israeli Institute of Technology, Haifa 3109601, Israel
| | - Shirley Pollack
- Pediatric Nephrology Institution, Rambam Health Care Campus, Haifa 3109601, Israel
- Faculty of Medicine, Technion-Israeli Institute of Technology, Haifa 3109601, Israel
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Jiang R, Zhou Y, Gao Q, Han L, Hong Z. ZC3H4 governs epithelial cell migration through ROCK/p-PYK2/p-MLC2 pathway in silica-induced pulmonary fibrosis. ENVIRONMENTAL TOXICOLOGY AND PHARMACOLOGY 2023; 104:104301. [PMID: 37866415 DOI: 10.1016/j.etap.2023.104301] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/24/2023] [Revised: 10/03/2023] [Accepted: 10/18/2023] [Indexed: 10/24/2023]
Abstract
BACKGROUND Increased epithelial migration capacity is a key step accompanying epithelial-mesenchymal transition (EMT). Our lab has described that ZC3H4 mediated EMT in silicosis. Here, we aimed to explore the mechanisms of ZC3H4 by which to stimulate epithelial cell migration. METHODS Silicon dioxide (SiO2)-induced pulmonary fibrosis (PF) animal models were administered by intratracheal instillation in C57BL/6 J mice. Pathological analysis and 2D migration assay were established to uncover the pulmonary fibrotic lesions and epithelial cell migration, respectively. Inhibitors targeting ROCK/p-PYK2/p-MLC2 and CRISPR/Cas9 plasmids targeting ZC3H4 were administrated to explore the signaling pathways. RESULTS 1) SiO2 upregulated epithelial migration in pulmonary fibrotic lesions. 2) ZC3H4 modulated SiO2-induced epithelial migration. 3) ZC3H4 governed epithelial migration through ROCK/p-PYK2/p-MLC2 signaling pathway. CONCLUSIONS ZC3H4 regulates epithelial migration through the ROCK/p-PYK2/p-MLC2 signaling pathway, providing the possibility that molecular drugs targeting ZC3H4-overexpression may exert effects on pulmonary fibrosis induced by silica.
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Affiliation(s)
- Rong Jiang
- Jiangsu Health Vocational College, Nanjing, Jiangsu Province, China
| | - Yichao Zhou
- Department of Occupation Disease Prevention and Cure, Changzhou Wujin District Center for Disease Control and Prevention, Changzhou, Jiangsu Province, China
| | - Qianqian Gao
- Department of Occupation Disease Prevention and Cure, Jiangsu Provincial Center for Disease Control and Prevention, Nanjing, Jiangsu Province, China; Department of Respiratory Medicine, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu Province, China
| | - Lei Han
- Department of Occupation Disease Prevention and Cure, Jiangsu Provincial Center for Disease Control and Prevention, Nanjing, Jiangsu Province, China.
| | - Zhen Hong
- Jiangsu Health Vocational College, Nanjing, Jiangsu Province, China.
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Yin Y, Liu S, Liu H, Wu W. Nintedanib inhibits normal human vitreous-induced epithelial-mesenchymal transition in human retinal pigment epithelial cells. Biomed Pharmacother 2023; 166:115403. [PMID: 37659204 DOI: 10.1016/j.biopha.2023.115403] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2023] [Revised: 08/18/2023] [Accepted: 08/28/2023] [Indexed: 09/04/2023] Open
Abstract
PURPOSE In this study, we aim to investigate the potential of nintedanib as a therapeutic approach to proliferative vitreoretinopathy (PVR), which is the leading cause of failure in retinal detachment repair. PVR is characterized by the epithelial-mesenchymal transition (EMT) of retinal pigment epithelial (RPE) cells, and understanding the effects of nintedanib on EMT in the normal human vitreous (HV)-induced RPE cells is crucial. METHODS Our research focuses on assessing the impact of nintedanib on HV-induced EMT in human retinal pigment epithelial (ARPE-19) cells in vitro. We employed various techniques, including quantitative real-time PCR (qPCR), western blot analysis, and immunofluorescence staining, to evaluate the mRNA and protein expression of EMT biomarkers in HV-induced ARPE-19 cells. Additionally, we measured the proliferation of RPE cells using cell counting, CCK-8, and Ki-67 assays. Migration was assessed through wound healing and transwell migration assays, while contraction was determined using a collagen gel contraction assay. Morphological changes were examined using phase-contrast microscopy. RESULTS Our results demonstrate that nintedanib selectively attenuates the upregulation of mesenchymal markers in HV-induced ARPE-19 cells, at both the mRNA and protein levels. Furthermore, nintedanib effectively suppresses the HV-induced proliferation, migration, and contraction of ARPE-19 cells, while maintaining the cells' basal activity. These findings strongly suggest that nintedanib exhibits protective effects against EMT in ARPE-19 cells and could be a promising therapeutic option for PVR. CONCLUSIONS By elucidating the anti-EMT effects of nintedanib in HV-induced RPE cells, our study highlights the potential of this oral triple tyrosine kinase inhibitor in the treatment of PVR. These findings contribute to the growing body of research aimed at developing novel strategies to prevent and manage PVR, ultimately improving the success rates of retinal detachment repair.
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Affiliation(s)
- Yiwei Yin
- Department of Ophthalmology, Hunan Key Laboratory of Ophthalmology, Xiangya Hospital, Central South University, Changsha, China; National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Changsha, China; Department of Pharmacy, Third Xiangya Hospital, Central South University, Changsha, China
| | - Shikun Liu
- Department of Pharmacy, Third Xiangya Hospital, Central South University, Changsha, China
| | - Hanhan Liu
- Department of Ophthalmology, Third Xiangya Hospital, Central South University, Changsha, China.
| | - Wenyi Wu
- Department of Ophthalmology, Hunan Key Laboratory of Ophthalmology, Xiangya Hospital, Central South University, Changsha, China; National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Changsha, China.
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Trinh A, Huang Y, Shao H, Ram A, Morival J, Wang J, Chung EJ, Downing TL. Targeting the ADPKD methylome using nanoparticle-mediated combination therapy. APL Bioeng 2023; 7:026111. [PMID: 37305656 PMCID: PMC10257530 DOI: 10.1063/5.0151408] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2023] [Accepted: 05/16/2023] [Indexed: 06/13/2023] Open
Abstract
DNA methylation aberrancies are found in autosomal dominant polycystic kidney disease (ADPKD), which suggests the methylome to be a promising therapeutic target. However, the impact of combining DNA methylation inhibitors (DNMTi) and ADPKD drugs in treating ADPKD and on disease-associated methylation patterns has not been fully explored. To test this, ADPKD drugs, metformin and tolvaptan (MT), were delivered in combination with DNMTi 5-aza-2'-deoxycytidine (Aza) to 2D or 3D cystic Pkd1 heterozygous renal epithelial cells (PKD1-Het cells) as free drugs or within nanoparticles to enable direct delivery for future in vivo applications. We found Aza synergizes with MT to reduce cell viability and cystic growth. Reduced representation bisulfite sequencing (RRBS) was performed across four groups: PBS, Free-Aza (Aza), Free-Aza+MT (F-MTAza), and Nanoparticle-Aza+MT (NP-MTAza). Global methylation patterns showed that while Aza alone induces a unimodal intermediate methylation landscape, Aza+MT recovers the bimodality reminiscent of somatic methylomes. Importantly, site-specific methylation changes associated with F-MTAza and NP-MTAza were largely conserved including hypomethylation at ADPKD-associated genes. Notably, we report hypomethylation of cancer-associated genes implicated in ADPKD pathogenesis as well as new target genes that may provide additional therapeutic effects. Overall, this study motivates future work to further elucidate the regulatory mechanisms of observed drug synergy and apply these combination therapies in vivo.
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Affiliation(s)
| | - Yi Huang
- Department of Biomedical Engineering, University of Southern California, Los Angeles, California 90089, USA
| | | | - Aparna Ram
- Department of Biomedical Engineering, University of Southern California, Los Angeles, California 90089, USA
| | | | - Jonathan Wang
- Department of Biomedical Engineering, University of Southern California, Los Angeles, California 90089, USA
| | - Eun Ji Chung
- Authors to whom correspondence should be addressed: and
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Zhou JX, Torres VE. Autosomal Dominant Polycystic Kidney Disease Therapies on the Horizon. ADVANCES IN KIDNEY DISEASE AND HEALTH 2023; 30:245-260. [PMID: 37088527 DOI: 10.1053/j.akdh.2023.01.003] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/07/2022] [Revised: 12/21/2022] [Accepted: 01/06/2023] [Indexed: 04/25/2023]
Abstract
Autosomal dominant polycystic kidney disease (ADPKD) is characterized by the formation of numerous kidney cysts which leads to kidney failure. ADPKD is responsible for approximately 10% of patients with kidney failure. Overwhelming evidence supports that vasopressin and its downstream cyclic adenosine monophosphate signaling promote cystogenesis, and targeting vasopressin 2 receptor with tolvaptan and other antagonists ameliorates cyst growth in preclinical studies. Tolvaptan is the only drug approved by Food and Drug Administration to treat ADPKD patients at the risk of rapid disease progression. A major limitation of the widespread use of tolvaptan is aquaretic events. This review discusses the potential strategies to improve the tolerability of tolvaptan, the progress on the use of an alternative vasopressin 2 receptor antagonist lixivaptan, and somatostatin analogs. Recent advances in understanding the pathophysiology of PKD have led to new approaches of treatment via targeting different signaling pathways. We review the new pharmacotherapies and dietary interventions of ADPKD that are promising in the preclinical studies and investigated in clinical trials.
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Arkhipov SN, Potter DL, Sultanova RF, Ilatovskaya DV, Harris PC, Pavlov TS. Probenecid slows disease progression in a murine model of autosomal dominant polycystic kidney disease. Physiol Rep 2023; 11:e15652. [PMID: 37024297 PMCID: PMC10079433 DOI: 10.14814/phy2.15652] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2023] [Revised: 03/07/2023] [Accepted: 03/08/2023] [Indexed: 04/08/2023] Open
Abstract
Development of autosomal dominant polycystic kidney disease (ADPKD) involves renal epithelial cell abnormalities. Cystic fluid contains a high level of ATP that, among other effects, leads to a reduced reabsorption of electrolytes in cyst-lining cells, and thus results in cystic fluid accumulation. Earlier, we demonstrated that Pkd1RC/RC mice, a hypomorphic model of ADPKD, exhibit increased expression of pannexin-1, a membrane channel capable of ATP release. In the current study, we found that human ADPKD cystic epithelia have higher pannexin-1 abundance than normal collecting ducts. We hypothesized that inhibition of pannexin-1 function with probenecid can be used to attenuate ADPKD development. Renal function in male and female Pkd1RC/RC and control mice was monitored between 9 and 20 months of age. To test the therapeutic effects of probenecid (a uricosuric agent and a pannexin-1 blocker), osmotic minipumps were implanted in male and female Pkd1RC/RC mice, and probenecid or vehicle was administered for 42 days until 1 year of age. Probenecid treatment improved glomerular filtration rates and slowed renal cyst formation in male mice (as shown in histopathology). The mechanistic effects of probenecid on sodium reabsorption and fluid transport were tested on polarized mpkCCDcl4 cells subjected to short-circuit current measurements, and in 3D cysts grown in Matrigel. In the mpkCCDcl4 epithelial cell line, probenecid elicited higher ENaC currents and attenuated in vitro cyst formation, indicating lower sodium and less fluid retention in the cysts. Our studies open new avenues of research into targeting pannexin-1 in ADPKD pathology.
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Affiliation(s)
- Sergey N. Arkhipov
- Division of Hypertension and Vascular ResearchHenry Ford HealthDetroitMichiganUSA
- Department of PhysiologyWayne State UniversityDetroitMichiganUSA
| | - D'Anna L. Potter
- Division of Hypertension and Vascular ResearchHenry Ford HealthDetroitMichiganUSA
| | - Regina F. Sultanova
- Division of NephrologyMedical University of South CarolinaCharlestonSouth CarolinaUSA
| | - Daria V. Ilatovskaya
- Department of Physiology, Medical College of GeorgiaAugusta UniversityAugustaGeorgiaUSA
| | - Peter C. Harris
- Department of Nephrology and Hypertension, Mayo ClinicRochesterMinnesotaUSA
| | - Tengis S. Pavlov
- Division of Hypertension and Vascular ResearchHenry Ford HealthDetroitMichiganUSA
- Department of PhysiologyWayne State UniversityDetroitMichiganUSA
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Zhou JX, Torres VE. Drug repurposing in autosomal dominant polycystic kidney disease. Kidney Int 2023; 103:859-871. [PMID: 36870435 DOI: 10.1016/j.kint.2023.02.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2022] [Revised: 01/23/2023] [Accepted: 02/07/2023] [Indexed: 03/06/2023]
Abstract
Autosomal dominant polycystic kidney disease is characterized by progressive kidney cyst formation that leads to kidney failure. Tolvaptan, a vasopressin 2 receptor antagonist, is the only drug approved to treat patients with autosomal dominant polycystic kidney disease who have rapid disease progression. The use of tolvaptan is limited by reduced tolerability from aquaretic effects and potential hepatotoxicity. Thus, the search for more effective drugs to slow down the progression of autosomal dominant polycystic kidney disease is urgent and challenging. Drug repurposing is a strategy for identifying new clinical indications for approved or investigational medications. Drug repurposing is increasingly becoming an attractive proposition because of its cost-efficiency and time-efficiency and known pharmacokinetic and safety profiles. In this review, we focus on the repurposing approaches to identify suitable drug candidates to treat autosomal dominant polycystic kidney disease and prioritization and implementation of candidates with high probability of success. Identification of drug candidates through understanding of disease pathogenesis and signaling pathways is highlighted.
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Affiliation(s)
- Julie Xia Zhou
- Division of Nephrology and Hypertension, Mayo Clinic, Rochester, Minnesota, USA; Mayo Clinic Robert M. and Billie Kelley Pirnie Translational Polycystic Kidney Disease Center, Rochester, Minnesota, USA.
| | - Vicente E Torres
- Division of Nephrology and Hypertension, Mayo Clinic, Rochester, Minnesota, USA; Mayo Clinic Robert M. and Billie Kelley Pirnie Translational Polycystic Kidney Disease Center, Rochester, Minnesota, USA.
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Nagao S, Yamaguchi T. Review of the Use of Animal Models of Human Polycystic Kidney Disease for the Evaluation of Experimental Therapeutic Modalities. J Clin Med 2023; 12:jcm12020668. [PMID: 36675597 PMCID: PMC9867516 DOI: 10.3390/jcm12020668] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2022] [Revised: 01/04/2023] [Accepted: 01/05/2023] [Indexed: 01/19/2023] Open
Abstract
Autosomal dominant polycystic kidney disease, autosomal recessive polycystic kidney disease, and nephronophthisis are hereditary disorders with the occurrence of numerous cysts in both kidneys, often causing chronic and end-stage renal failure. Animal models have played an important role in recent advances in research not only on disease onset and progressive mechanisms but also on the development of therapeutic interventions. For a long time, spontaneous animal models have been used as the primary focus for human diseases; however, after the identification of the nucleotide sequence of the responsible genes, PKD1, PKD2, PKHD1, and NPHPs, various types of genetically modified models were developed by genetic and reproductive engineering techniques and played the leading role in the research field. In this review, we present murine models of hereditary renal cystic diseases, discussing their potential benefits in the development of therapeutic strategies.
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Affiliation(s)
- Shizuko Nagao
- Advanced Research Center for Animal Models of Human Diseases, Fujita Health University, Toyoake 470-1192, Japan
- Correspondence: ; Tel.: +81-562-93-2434
| | - Tamio Yamaguchi
- Advanced Research Center for Animal Models of Human Diseases, Fujita Health University, Toyoake 470-1192, Japan
- Department of Medical Technology, Faculty of Health Science, Suzuka University of Medical Science, Suzuka 510-0293, Japan
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Ren Y, Zhu X, Fu K, Zhang H, Zhao W, Lin Y, Fang Q, Wang J, Chen Y, Guo D. Inhibition of deubiquitinase USP28 attenuates cyst growth in autosomal dominant polycystic kidney disease. Biochem Pharmacol 2023; 207:115355. [PMID: 36442624 DOI: 10.1016/j.bcp.2022.115355] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2022] [Revised: 11/17/2022] [Accepted: 11/18/2022] [Indexed: 11/27/2022]
Abstract
Autosomal dominant polycystic kidney disease (ADPKD) is the most common inherited kidney disease, which is characterized by progressive growth of multiple renal cysts in bilateral kidneys. In the past decades, mechanistic studies have entailed many essential signalling pathways that were regulated through post-translational modifications (PTMs) during cystogenesis. Among the numerous PTMs involved, the effect of ubiquitination and deubiquitination remains largely unknown. Herein, we identified that USP28, a deubiquitinase aberrantly upregulated in patients with ADPKD, selectively removed K48-linked polyubiquitination and reversed protein degradation of signal transducer and activator of transcription 3 (STAT3). We also observed that USP28 could directly interact with and stabilize c-Myc, a transcriptional target of STAT3. Both processes synergistically enhanced renal cystogenesis. Furthermore, pharmacological inhibition of USP28 attenuated the cyst formation both in vivo and in vitro. Collectively, USP28 regulates STAT3 turnover and its transcriptional target c-Myc in ADPKD. USP28 inhibition could be a novel therapeutic strategy against ADPKD.
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Affiliation(s)
- Ying Ren
- Jiangsu Key Laboratory of New Drug Research and Clinical Pharmacy, Xuzhou Medical University, 209 Tongshan Road, Xuzhou 221004, Jiangsu, China
| | - Xiaodan Zhu
- Jiangsu Key Laboratory of New Drug Research and Clinical Pharmacy, Xuzhou Medical University, 209 Tongshan Road, Xuzhou 221004, Jiangsu, China
| | - Kequan Fu
- Jiangsu Key Laboratory of New Drug Research and Clinical Pharmacy, Xuzhou Medical University, 209 Tongshan Road, Xuzhou 221004, Jiangsu, China
| | - Haoran Zhang
- Jiangsu Key Laboratory of New Drug Research and Clinical Pharmacy, Xuzhou Medical University, 209 Tongshan Road, Xuzhou 221004, Jiangsu, China
| | - Wenchao Zhao
- Jiangsu Key Laboratory of New Drug Research and Clinical Pharmacy, Xuzhou Medical University, 209 Tongshan Road, Xuzhou 221004, Jiangsu, China
| | - Yang Lin
- Jiangsu Key Laboratory of New Drug Research and Clinical Pharmacy, Xuzhou Medical University, 209 Tongshan Road, Xuzhou 221004, Jiangsu, China
| | - Qian Fang
- The Affiliated Hospital of Xuzhou Medical University, No. 99 Huaihai West Road, Xuzhou 221002, China
| | - Junqi Wang
- The Affiliated Hospital of Xuzhou Medical University, No. 99 Huaihai West Road, Xuzhou 221002, China
| | - Yupeng Chen
- The Province and Ministry Co-sponsored Collaborative Innovation Center for Medical Epigenetics, Key Laboratory of Immune Microenvironment and Disease (Ministry of Education), Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Tianjin Institute of Urology, Tianjin Medical University, Tianjin 300070, China.
| | - Dong Guo
- Jiangsu Key Laboratory of New Drug Research and Clinical Pharmacy, Xuzhou Medical University, 209 Tongshan Road, Xuzhou 221004, Jiangsu, China.
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Dwivedi N, Jamadar A, Mathew S, Fields TA, Rao R. Myofibroblast depletion reduces kidney cyst growth and fibrosis in autosomal dominant polycystic kidney disease. Kidney Int 2023; 103:144-155. [PMID: 36273656 PMCID: PMC9822873 DOI: 10.1016/j.kint.2022.08.036] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2022] [Revised: 08/10/2022] [Accepted: 08/19/2022] [Indexed: 11/06/2022]
Abstract
Autosomal dominant polycystic kidney disease (ADPKD) involves the development and persistent growth of fluid filled kidney cysts. In a recent study, we showed that ADPKD kidney cyst epithelial cells can stimulate the proliferation and differentiation of peri-cystic myofibroblasts. Although dense myofibroblast populations are often found surrounding kidney cysts, their role in cyst enlargement or fibrosis in ADPKD is unclear. To clarify this, we examined the effect of myofibroblast depletion in the Pkd1RC/RC (RC/RC) mouse model of ADPKD. RC/RC;αSMAtk mice that use the ganciclovir-thymidine kinase system to selectively deplete α-smooth muscle actin expressing myofibroblasts were generated. Ganciclovir treatment for four weeks depleted myofibroblasts, reduced kidney fibrosis and preserved kidney function in these mice. Importantly, myofibroblast depletion significantly reduced cyst growth and cyst epithelial cell proliferation in RC/RC;αSMAtk mouse kidneys. Similar ganciclovir treatment did not alter cyst growth or fibrosis in wild-type or RC/RC littermates. In vitro, co-culture with myofibroblasts from the kidneys of patients with ADPKD increased 3D microcyst growth of human ADPKD cyst epithelial cells. Treatment with conditioned culture media from ADPKD kidney myofibroblasts increased microcyst growth and cell proliferation of ADPKD cyst epithelial cells. Further examination of ADPKD myofibroblast conditioned media showed high levels of protease inhibitors including PAI1, TIMP1 and 2, NGAL and TFPI-2, and treatment with recombinant PAI1 and TIMP1 increased ADPKD cyst epithelial cell proliferation in vitro. Thus, our findings show that myofibroblasts directly promote cyst epithelial cell proliferation, cyst growth and fibrosis in ADPKD kidneys, and their targeting could be a novel therapeutic strategy to treat PKD.
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Affiliation(s)
- Nidhi Dwivedi
- The Jared Grantham Kidney Institute, University of Kansas Medical Center, Kansas City, Kansas, USA
| | - Abeda Jamadar
- The Jared Grantham Kidney Institute, University of Kansas Medical Center, Kansas City, Kansas, USA
| | - Sijo Mathew
- Department of Pharmaceutical Sciences, School of Pharmacy, North Dakota State University, Fargo, North Dakota, USA
| | - Timothy A Fields
- The Jared Grantham Kidney Institute, University of Kansas Medical Center, Kansas City, Kansas, USA; Department of Pathology and Laboratory Medicine, University of Kansas Medical Center, Kansas City, Kansas, USA
| | - Reena Rao
- The Jared Grantham Kidney Institute, University of Kansas Medical Center, Kansas City, Kansas, USA; Department of Medicine, University of Kansas Medical Center, Kansas City, Kansas, USA.
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Ruiz-Ortega M, Lamas S, Ortiz A. Antifibrotic Agents for the Management of CKD: A Review. Am J Kidney Dis 2022; 80:251-263. [PMID: 34999158 DOI: 10.1053/j.ajkd.2021.11.010] [Citation(s) in RCA: 24] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2021] [Accepted: 11/18/2021] [Indexed: 01/27/2023]
Abstract
Kidney fibrosis is a hallmark of chronic kidney disease (CKD) and a potential therapeutic target. However, there are conceptual and practical challenges to directly targeting kidney fibrosis. Whether fibrosis is mainly a cause or a consequence of CKD progression has been disputed. It is unclear whether specifically targeting fibrosis is feasible in clinical practice because most drugs that decrease fibrosis in preclinical models target additional and often multiple pathogenic pathways (eg, renin-angiotensin-aldosterone system blockade). Moreover, tools to assess whole-kidney fibrosis in routine clinical practice are lacking. Pirfenidone, a drug used for idiopathic pulmonary fibrosis, is undergoing a phase 2 trial for kidney fibrosis. Other drugs in use or being tested for idiopathic pulmonary fibrosis (eg, nintedanib, PRM-151, epigallocatechin gallate) are also potential candidates to treat kidney fibrosis. Novel therapeutic approaches may include antagomirs (eg, lademirsen) or drugs targeting interleukin 11 or NKD2 (WNT signaling pathway inhibitor). Reversing the dysfunctional tubular cell metabolism that leads to kidney fibrosis offers additional therapeutic opportunities. However, any future drug targeting fibrosis of the kidneys should demonstrate added benefit to a standard of care that combines renin-angiotensin system with mineralocorticoid receptor (eg, finerenone) blockade or with sodium/glucose cotransporter 2 inhibitors.
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Affiliation(s)
- Marta Ruiz-Ortega
- Molecular and Cellular Biology in Renal and Vascular Pathology, Madrid, Spain; Instituto de Investigación Sanitaria-Fundación Jiménez Díaz-Universidad Autónoma Madrid; Red de Investigación Renal, Madrid, Spain
| | - Santiago Lamas
- Instituto de Investigación Sanitaria-Fundación Jiménez Díaz-Universidad Autónoma Madrid; Red de Investigación Renal, Madrid, Spain; Program of Physiological and Pathological Processes, Centro de Biología Molecular "Severo Ochoa", Madrid, Spain
| | - Alberto Ortiz
- Nephrology and Hypertension, Madrid, Spain; Instituto de Investigación Sanitaria-Fundación Jiménez Díaz-Universidad Autónoma Madrid; Red de Investigación Renal, Madrid, Spain.
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Jamadar A, Dwivedi N, Mathew S, Calvet JP, Thomas SM, Rao R. Vasopressin Receptor Type-2 Mediated Signaling in Renal Cell Carcinoma Stimulates Stromal Fibroblast Activation. Int J Mol Sci 2022; 23:7601. [PMID: 35886951 PMCID: PMC9325308 DOI: 10.3390/ijms23147601] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2022] [Revised: 07/01/2022] [Accepted: 07/07/2022] [Indexed: 01/27/2023] Open
Abstract
Vasopressin type-2 receptor (V2R) is ectopically expressed and plays a pathogenic role in clear cell renal cell carcinoma (ccRCC) tumor cells. Here we examined how V2R signaling within human ccRCC tumor cells (Caki1 cells) stimulates stromal cancer-associated fibroblasts (CAFs). We found that cell culture conditioned media from Caki1 cells increased activation, migration, and proliferation of fibroblasts in vitro, which was inhibited by V2R gene silencing in Caki1 cells. Analysis of the conditioned media and mRNA of the V2R gene silenced and control Caki1 cells showed that V2R regulates the production of CAF-activating factors. Some of these factors were also found to be regulated by YAP in these Caki1 cells. YAP expression colocalized and correlated with V2R expression in ccRCC tumor tissue. V2R gene silencing or V2R antagonist significantly reduced YAP in Caki1 cells. Moreover, the V2R antagonist reduced YAP expression and myofibroblasts in mouse xenograft tumors. These results suggest that V2R plays an important role in secreting pro-fibrotic factors that stimulate fibroblast activation by a YAP-dependent mechanism in ccRCC tumors. Our results demonstrate a novel role for the V2R-YAP axis in the regulation of myofibroblasts in ccRCC and a potential therapeutic target.
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Affiliation(s)
- Abeda Jamadar
- Jared Grantham Kidney Institute, University of Kansas Medical Center, Kansas City, KS 66160, USA; (A.J.); (N.D.); (J.P.C.)
| | - Nidhi Dwivedi
- Jared Grantham Kidney Institute, University of Kansas Medical Center, Kansas City, KS 66160, USA; (A.J.); (N.D.); (J.P.C.)
| | - Sijo Mathew
- Department of Pharmaceutical Sciences, School of Pharmacy, North Dakota State University, Fargo, ND 58105, USA;
| | - James P. Calvet
- Jared Grantham Kidney Institute, University of Kansas Medical Center, Kansas City, KS 66160, USA; (A.J.); (N.D.); (J.P.C.)
- Department of Biochemistry and Molecular Biology, University of Kansas Medical Center, Kansas City, KS 66160, USA
- Department of Cancer Biology, University of Kansas Medical Center, Kansas City, KS 66160, USA
| | - Sufi M. Thomas
- Department of Otolaryngology, University of Kansas Medical Center, Kansas City, KS 66160, USA;
| | - Reena Rao
- Jared Grantham Kidney Institute, University of Kansas Medical Center, Kansas City, KS 66160, USA; (A.J.); (N.D.); (J.P.C.)
- Department of Cancer Biology, University of Kansas Medical Center, Kansas City, KS 66160, USA
- Department of Medicine, 5040 WHE, The Jared Grantham Kidney Institute, University of Kansas Medical Center, 3901 Rainbow Blvd, Kansas City, KS 66160, USA
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Ebert T, Tran N, Schurgers L, Stenvinkel P, Shiels PG. Ageing - Oxidative stress, PTMs and disease. Mol Aspects Med 2022; 86:101099. [PMID: 35689974 DOI: 10.1016/j.mam.2022.101099] [Citation(s) in RCA: 39] [Impact Index Per Article: 19.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2022] [Accepted: 05/10/2022] [Indexed: 12/15/2022]
Abstract
Post-translational modifications (PTMs) have been proposed as a link between the oxidative stress-inflammation-ageing trinity, thereby affecting several hallmarks of ageing. Phosphorylation, acetylation, and ubiquitination cover >90% of all the reported PTMs. Several of the main PTMs are involved in normal "healthy" ageing and in different age-related diseases, for instance neurodegenerative, metabolic, cardiovascular, and bone diseases, as well as cancer and chronic kidney disease. Ultimately, data from human rare progeroid syndromes, but also from long-living animal species, imply that PTMs are critical regulators of the ageing process. Mechanistically, PTMs target epigenetic and non-epigenetic pathways during ageing. In particular, epigenetic histone modification has critical implications for the ageing process and can modulate lifespan. Therefore, PTM-based therapeutics appear to be attractive pharmaceutical candidates to reduce the burden of ageing-related diseases. Several phosphorylation and acetylation inhibitors have already been FDA-approved for the treatment of other diseases and offer a unique potential to investigate both beneficial effects and possible side-effects. As an example, the most well-studied senolytic compounds dasatinib and quercetin, which have already been tested in Phase 1 pilot studies, also act as kinase inhibitors, targeting cellular senescence and increasing lifespan. Future studies need to carefully determine the best PTM-based candidates for the treatment of the "diseasome of ageing".
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Affiliation(s)
- Thomas Ebert
- Karolinska Institute, Department of Clinical Science, Intervention and Technology, Division of Renal Medicine, Stockholm, Sweden; University of Leipzig Medical Center, Medical Department III - Endocrinology, Nephrology, Rheumatology, Leipzig, Germany.
| | - Ngoc Tran
- University of Glasgow, Wolfson Wohl Cancer Research Centre, College of Medical, Veterinary & Life Sciences, Institute of Cancer Sciences, Glasgow, UK
| | - Leon Schurgers
- Department of Biochemistry, Cardiovascular Research School Maastricht (CARIM), Maastricht University, Maastricht, the Netherlands
| | - Peter Stenvinkel
- Karolinska Institute, Department of Clinical Science, Intervention and Technology, Division of Renal Medicine, Stockholm, Sweden
| | - Paul G Shiels
- University of Glasgow, Wolfson Wohl Cancer Research Centre, College of Medical, Veterinary & Life Sciences, Institute of Cancer Sciences, Glasgow, UK
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