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Liu H, Wang S, Chen Q, Ge X, Ning H, Guo Y, Wang D, Ai K, Hu C. Natural Targeting Potent ROS-Eliminating Tungsten-Based Polyoxometalate Nanodots for Efficient Treatment of Pulmonary Hypertension. Adv Healthc Mater 2023; 12:e2300252. [PMID: 37196347 DOI: 10.1002/adhm.202300252] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2023] [Revised: 04/27/2023] [Indexed: 05/19/2023]
Abstract
Pulmonary hypertension (PH) is a disease of pulmonary artery stenosis and blockage caused by abnormal pulmonary artery smooth muscle cells (PASMCs), with high morbidity and mortality. High levels of reactive oxygen species (ROS) in pulmonary arteries play a crucial role in inducing phenotypic switch and abnormal proliferation of PASMCs. However, antioxidants are rarely approved for the treatment of PH because of a lack of targeting and low bioavailability. In this study, the presence of an enhanced permeability and retention effect (EPR)-like effect in the pulmonary arteries of PH is revealed by tissue transmission electron microscopy (TEM). Subsequently, for the first time, tungsten-based polyoxometalate nanodots (WNDs) are developed with potent elimination of multiple ROS for efficient treatment of PH thanks to the high proportion of reduced W5+ . WNDs are effectively enriched in the pulmonary artery by intravenous injection because of the EPR-like effect of PH, and significantly prevent the abnormal proliferation of PASMCs, greatly improve the remodeling of pulmonary arteries, and ultimately improve right heart function. In conclusion, this work provides a novel and effective solution to the dilemma of targeting ROS for the treatment of PH.
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Affiliation(s)
- Hong Liu
- Xiangya School of Pharmaceutical Sciences, Central South University, Changsha, 410078, China
| | - Shuya Wang
- Xiangya School of Pharmaceutical Sciences, Central South University, Changsha, 410078, China
| | - Qiaohui Chen
- Xiangya School of Pharmaceutical Sciences, Central South University, Changsha, 410078, China
| | - Xiaoyue Ge
- Xiangya School of Pharmaceutical Sciences, Central South University, Changsha, 410078, China
| | - Huang Ning
- Xiangya School of Pharmaceutical Sciences, Central South University, Changsha, 410078, China
| | - Yanzi Guo
- Xiangya School of Pharmaceutical Sciences, Central South University, Changsha, 410078, China
| | - Di Wang
- Xiangya School of Pharmaceutical Sciences, Central South University, Changsha, 410078, China
| | - Kelong Ai
- Xiangya School of Pharmaceutical Sciences, Central South University, Changsha, 410078, China
- Hunan Provincial Key Laboratory of Cardiovascular Research, Changsha, 410078, China
| | - Changping Hu
- Xiangya School of Pharmaceutical Sciences, Central South University, Changsha, 410078, China
- Hunan Provincial Key Laboratory of Cardiovascular Research, Changsha, 410078, China
- Department of Pharmacy, Changzhi Medical College, Changzhi, 046000, China
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2
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Xue J, Liu Y, Zhang S, Ding L, Shen B, Shao Y, Wei Z. CGRP protects bladder smooth muscle cells stimulated by high glucose through inhibiting p38 MAPK pathway in vitro. Sci Rep 2021; 11:7643. [PMID: 33828162 PMCID: PMC8027675 DOI: 10.1038/s41598-021-87140-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2020] [Accepted: 03/24/2021] [Indexed: 11/09/2022] Open
Abstract
This study aimed to explore the effect of calcitonin gene-related peptide (CGRP) on bladder smooth muscle cells (BSMCs) under high glucose (HG) treatment in vitro. BSMCs from Sprague-Dawley rat bladders were cultured and passaged in vitro. The third-generation cells were cultured and divided into control group, HG group, HG + CGRP group, HG + CGRP + asiatic acid (AA, p-p38 activator) group, CGRP group, AA group, HG + CGRP + CGRP-8-37 (CGRP receptor antagonist) group and HG + LY2228820 (p38 MAPK inhibitor) group. The cell viability, apoptosis, malondialdehyde (MDA) and superoxide dismutase (SOD) levels of BSMCs were observed by the relevant detection kits. The expressions of α-SM-actin, p38 and p-p38 were detected by qRT-PCR or Western blot analysis. Compared with the control group, the cell viability, SOD and α-SM-actin levels of BSMCs were decreased and apoptotic cells, MDA and p-p38 levels were increased after HG treatment, while these changes could be partly reversed when BSMCs were treated with HG and CGRP or LY2228820 together. Moreover, AA or CGRP-8-37 could suppress the effect of CGRP on BSMCs under HG condition. Our data indicate that CGRP protects BSMCs from oxidative stress induced by HG in vitro, and inhibit the α-SM-actin expression decrease through inhibiting the intracellular p38 MAPK signaling pathway.
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Affiliation(s)
- Jun Xue
- Department of Urology, The Second Affiliated Hospital of Nanjing Medical University, 121 Jiangjiayuan Road, Nanjing, 210011, Jiangsu, China
| | - Yadong Liu
- Department of Urology, The Third People's Hospital of Yancheng, Yancheng, 224001, Jiangsu, China
| | - Sichong Zhang
- Department of Urology, The Second Affiliated Hospital of Nanjing Medical University, 121 Jiangjiayuan Road, Nanjing, 210011, Jiangsu, China
| | - Liucheng Ding
- Department of Urology, The Second Affiliated Hospital of Nanjing Medical University, 121 Jiangjiayuan Road, Nanjing, 210011, Jiangsu, China
| | - Baixin Shen
- Department of Urology, The Second Affiliated Hospital of Nanjing Medical University, 121 Jiangjiayuan Road, Nanjing, 210011, Jiangsu, China
| | - Yunpeng Shao
- Department of Urology, The Second Affiliated Hospital of Nanjing Medical University, 121 Jiangjiayuan Road, Nanjing, 210011, Jiangsu, China
| | - Zhongqing Wei
- Department of Urology, The Second Affiliated Hospital of Nanjing Medical University, 121 Jiangjiayuan Road, Nanjing, 210011, Jiangsu, China.
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Deng X, He Y, Miao X, Yu B. ATF4-mediated histone deacetylase HDAC1 promotes the progression of acute pancreatitis. Cell Death Dis 2021; 12:5. [PMID: 33414424 PMCID: PMC7791124 DOI: 10.1038/s41419-020-03296-x] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2020] [Revised: 11/02/2020] [Accepted: 11/04/2020] [Indexed: 02/06/2023]
Abstract
Acute pancreatitis (AP), an acute inflammatory process, can be difficult to diagnose. Activating transcription factor 4 (ATF4) has been reported to participate in the pathogenesis of AP. Additionally, histone deacetylases (HDACs) are shown to be closely related to the development of a variety of diseases, including inflammation disease. In our study, we tried to highlight the role of ATF4 in AP through regulation of HDAC1. Firstly, we validated the effect of ATF4 on pancreatic acinar cell proliferation, apoptosis, and inflammation through in vitro experiments on cellular models of caerulein-induced AP. Next, we examined the correlation between ATF4 and HDAC1, and between HDAC1 with neutral endopeptidase (NEP) and kruppel-like factor 4 (KLF4). Finally, the regulatory role of ATF4 in AP was further assessed by determination of pathological conditions, biochemical indicators and inflammation through in vivo experiments on caerulein-induced AP mouse models. After AP induction, highly expressed ATF4 was observed, and silencing ATF4 could promote pancreatic acinar cell proliferation and inhibit apoptosis. ATF4 could bind to the HDAC1 promoter and upregulate its expression in AP. Moreover, HDAC1 could increase KLF4 expression by inhibiting NEP expression. Functionally, silencing ATF4 could suppress AP through regulation of NEP-mediated KLF4 via downregulation of HDAC1. Above all, our study uncovered the promotive role of ATF4 in AP through upregulation of HDAC1.
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Affiliation(s)
- Xiaofeng Deng
- Department of General Surgery, the Second Xiangya Hospital of Central South University, Changsha, 410000, P. R. China
| | - Yu He
- Department of Radiology, the Second Xiangya Hospital of Central South University, Changsha, 410000, P. R. China
| | - Xiongying Miao
- Department of General Surgery, the Second Xiangya Hospital of Central South University, Changsha, 410000, P. R. China
| | - Bo Yu
- Department of Critical Care Medicine, the Second Xiangya Hospital of Central South University, Changsha, 410000, P. R. China.
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Krajnik A, Brazzo JA, Vaidyanathan K, Das T, Redondo-Muñoz J, Bae Y. Phosphoinositide Signaling and Mechanotransduction in Cardiovascular Biology and Disease. Front Cell Dev Biol 2020; 8:595849. [PMID: 33381504 PMCID: PMC7767973 DOI: 10.3389/fcell.2020.595849] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2020] [Accepted: 11/25/2020] [Indexed: 12/14/2022] Open
Abstract
Phosphoinositides, which are membrane-bound phospholipids, are critical signaling molecules located at the interface between the extracellular matrix, cell membrane, and cytoskeleton. Phosphoinositides are essential regulators of many biological and cellular processes, including but not limited to cell migration, proliferation, survival, and differentiation, as well as cytoskeletal rearrangements and actin dynamics. Over the years, a multitude of studies have uniquely implicated phosphoinositide signaling as being crucial in cardiovascular biology and a dominant force in the development of cardiovascular disease and its progression. Independently, the cellular transduction of mechanical forces or mechanotransduction in cardiovascular cells is widely accepted to be critical to their homeostasis and can drive aberrant cellular phenotypes and resultant cardiovascular disease. Given the versatility and diversity of phosphoinositide signaling in the cardiovascular system and the dominant regulation of cardiovascular cell functions by mechanotransduction, the molecular mechanistic overlap and extent to which these two major signaling modalities converge in cardiovascular cells remain unclear. In this review, we discuss and synthesize recent findings that rightfully connect phosphoinositide signaling to cellular mechanotransduction in the context of cardiovascular biology and disease, and we specifically focus on phosphatidylinositol-4,5-phosphate, phosphatidylinositol-4-phosphate 5-kinase, phosphatidylinositol-3,4,5-phosphate, and phosphatidylinositol 3-kinase. Throughout the review, we discuss how specific phosphoinositide subspecies have been shown to mediate biomechanically sensitive cytoskeletal remodeling in cardiovascular cells. Additionally, we discuss the direct interaction of phosphoinositides with mechanically sensitive membrane-bound ion channels in response to mechanical stimuli. Furthermore, we explore the role of phosphoinositide subspecies in association with critical downstream effectors of mechanical signaling in cardiovascular biology and disease.
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Affiliation(s)
- Amanda Krajnik
- Department of Pathology and Anatomical Sciences, Jacobs School of Medicine and Biomedical Sciences, University at Buffalo, State University of New York, Buffalo, NY, United States
| | - Joseph A Brazzo
- Department of Pathology and Anatomical Sciences, Jacobs School of Medicine and Biomedical Sciences, University at Buffalo, State University of New York, Buffalo, NY, United States
| | - Kalyanaraman Vaidyanathan
- Department of Pathology and Anatomical Sciences, Jacobs School of Medicine and Biomedical Sciences, University at Buffalo, State University of New York, Buffalo, NY, United States
| | - Tuhin Das
- Cell Biology Program, Memorial Sloan Kettering Cancer Center, New York, NY, United States
| | - Javier Redondo-Muñoz
- Department of Molecular Biomedicine, Centro de Investigaciones Biológicas Margarita Salas, Madrid, Spain.,Lydia Becker Institute of Immunology and Inflammation, Faculty of Biology, Medicine and Health, School of Biological Sciences, University of Manchester, Manchester, United Kingdom
| | - Yongho Bae
- Department of Pathology and Anatomical Sciences, Jacobs School of Medicine and Biomedical Sciences, University at Buffalo, State University of New York, Buffalo, NY, United States
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Bruijn LE, van den Akker BEWM, van Rhijn CM, Hamming JF, Lindeman JHN. Extreme Diversity of the Human Vascular Mesenchymal Cell Landscape. J Am Heart Assoc 2020; 9:e017094. [PMID: 33190596 PMCID: PMC7763765 DOI: 10.1161/jaha.120.017094] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/27/2020] [Accepted: 10/05/2020] [Indexed: 12/17/2022]
Abstract
Background Human mesenchymal cells are culprit factors in vascular (patho)physiology and are hallmarked by phenotypic and functional heterogeneity. At present, they are subdivided by classic umbrella terms, such as "fibroblasts," "myofibroblasts," "smooth muscle cells," "fibrocytes," "mesangial cells," and "pericytes." However, a discriminative marker-based subclassification has to date not been established. Methods and Results As a first effort toward a classification scheme, a systematic literature search was performed to identify the most commonly used phenotypical and functional protein markers for characterizing and classifying vascular mesenchymal cell subpopulation(s). We next applied immunohistochemistry and immunofluorescence to inventory the expression pattern of identified markers on human aorta specimens representing early, intermediate, and end stages of human atherosclerotic disease. Included markers comprise markers for mesenchymal lineage (vimentin, FSP-1 [fibroblast-specific protein-1]/S100A4, cluster of differentiation (CD) 90/thymocyte differentiation antigen 1, and FAP [fibroblast activation protein]), contractile/non-contractile phenotype (α-smooth muscle actin, smooth muscle myosin heavy chain, and nonmuscle myosin heavy chain), and auxiliary contractile markers (h1-Calponin, h-Caldesmon, Desmin, SM22α [smooth muscle protein 22α], non-muscle myosin heavy chain, smooth muscle myosin heavy chain, Smoothelin-B, α-Tropomyosin, and Telokin) or adhesion proteins (Paxillin and Vinculin). Vimentin classified as the most inclusive lineage marker. Subset markers did not separate along classic lines of smooth muscle cell, myofibroblast, or fibroblast, but showed clear temporal and spatial diversity. Strong indications were found for presence of stem cells/Endothelial-to-Mesenchymal cell Transition and fibrocytes in specific aspects of the human atherosclerotic process. Conclusions This systematic evaluation shows a highly diverse and dynamic landscape for the human vascular mesenchymal cell population that is not captured by the classic nomenclature. Our observations stress the need for a consensus multiparameter subclass designation along the lines of the cluster of differentiation classification for leucocytes.
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Affiliation(s)
- Laura E. Bruijn
- Division of Vascular SurgeryDepartment of SurgeryLeiden University Medical CenterLeidenthe Netherlands
| | | | - Connie M. van Rhijn
- Division of Vascular SurgeryDepartment of SurgeryLeiden University Medical CenterLeidenthe Netherlands
| | - Jaap F. Hamming
- Division of Vascular SurgeryDepartment of SurgeryLeiden University Medical CenterLeidenthe Netherlands
| | - Jan H. N. Lindeman
- Division of Vascular SurgeryDepartment of SurgeryLeiden University Medical CenterLeidenthe Netherlands
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Chen Y, Su X, Qin Q, Yu Y, Jia M, Zhang H, Li H, Pei L. New insights into phenotypic switching of VSMCs induced by hyperhomocysteinemia: Role of endothelin-1 signaling. Biomed Pharmacother 2020; 123:109758. [DOI: 10.1016/j.biopha.2019.109758] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2019] [Revised: 11/20/2019] [Accepted: 11/29/2019] [Indexed: 12/30/2022] Open
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Dempsey E, Strassheim D, Karoor V. Impaired vascular function with age and RhoGTPase. Aging (Albany NY) 2020; 12:1-2. [PMID: 31905168 PMCID: PMC6977650 DOI: 10.18632/aging.102739] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2019] [Accepted: 12/20/2019] [Indexed: 11/25/2022]
Affiliation(s)
- Edward Dempsey
- Cardiovascular Pulmonary Research Laboratory, Department of Medicine, University of Colorado Denver, Aurora, CO 80045, USA
| | - Derek Strassheim
- Cardiovascular Pulmonary Research Laboratory, Department of Medicine, University of Colorado Denver, Aurora, CO 80045, USA
| | - Vijaya Karoor
- Cardiovascular Pulmonary Research Laboratory, Department of Medicine, University of Colorado Denver, Aurora, CO 80045, USA
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Lu HS, Schmidt AM, Hegele RA, Mackman N, Rader DJ, Weber C, Daugherty A. Annual Report on Sex in Preclinical Studies: Arteriosclerosis, Thrombosis, and Vascular Biology Publications in 2018. Arterioscler Thromb Vasc Biol 2019; 40:e1-e9. [PMID: 31869272 DOI: 10.1161/atvbaha.119.313556] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Hong S Lu
- From the Saha Cardiovascular Research Center and Department of Physiology, University of Kentucky, Lexington (H.S.L., A.D.)
| | - Ann Marie Schmidt
- Diabetes Research Program, Division of Endocrinology, Diabetes and Metabolism, Department of Medicine, New York University Langone Medical Center, New York, NY (A.M.S.)
| | - Robert A Hegele
- Department of Medicine and Robarts Research Institute, Schulich School of Medicine and Dentistry, Western University, London, Ontario, Canada (R.A.H.)
| | - Nigel Mackman
- Department of Medicine, University of North Carolina at Chapel Hill, Chapel Hill, NC (N.M.)
| | - Daniel J Rader
- Departments of Medicine and Department of Genetics, Perelman School of Medicine, University of Pennsylvania, Philadelphia (D.J.R.)
| | - Christian Weber
- Institute for Cardiovascular Prevention, Ludwig-Maximilians-Universität (LMU) and German Centre for Cardiovascular Research (DZHK), partner site Munich Heart Alliance, Munich, Germany (C.W.)
| | - Alan Daugherty
- From the Saha Cardiovascular Research Center and Department of Physiology, University of Kentucky, Lexington (H.S.L., A.D.)
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Satoh K, Shimokawa H. Recent Advances in the Development of Cardiovascular Biomarkers. Arterioscler Thromb Vasc Biol 2019; 38:e61-e70. [PMID: 29695533 DOI: 10.1161/atvbaha.118.310226] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Kimio Satoh
- From the Department of Cardiovascular Medicine, Tohoku University Graduate School of Medicine, Sendai, Japan
| | - Hiroaki Shimokawa
- From the Department of Cardiovascular Medicine, Tohoku University Graduate School of Medicine, Sendai, Japan.
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Strassheim D, Gerasimovskaya E, Irwin D, Dempsey EC, Stenmark K, Karoor V. RhoGTPase in Vascular Disease. Cells 2019; 8:E551. [PMID: 31174369 PMCID: PMC6627336 DOI: 10.3390/cells8060551] [Citation(s) in RCA: 37] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2019] [Revised: 05/24/2019] [Accepted: 05/27/2019] [Indexed: 12/24/2022] Open
Abstract
Ras-homologous (Rho)A/Rho-kinase pathway plays an essential role in many cellular functions, including contraction, motility, proliferation, and apoptosis, inflammation, and its excessive activity induces oxidative stress and promotes the development of cardiovascular diseases. Given its role in many physiological and pathological functions, targeting can result in adverse effects and limit its use for therapy. In this review, we have summarized the role of RhoGTPases with an emphasis on RhoA in vascular disease and its impact on endothelial, smooth muscle, and heart and lung fibroblasts. It is clear from the various studies that understanding the regulation of RhoGTPases and their regulators in physiology and pathological conditions is required for effective targeting of Rho.
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Affiliation(s)
- Derek Strassheim
- Cardiovascular and Pulmonary Research Lab, Department of Medicine, Anschutz Medical Campus, University of Colorado, Aurora, CO 80045, USA.
| | - Evgenia Gerasimovskaya
- Cardiovascular and Pulmonary Research Lab, Department of Medicine, Anschutz Medical Campus, University of Colorado, Aurora, CO 80045, USA.
- Department of Pediatrics, Anschutz Medical Campus, University of Colorado, Aurora, CO 80045, USA.
| | - David Irwin
- Cardiovascular and Pulmonary Research Lab, Department of Medicine, Anschutz Medical Campus, University of Colorado, Aurora, CO 80045, USA.
| | - Edward C Dempsey
- Cardiovascular and Pulmonary Research Lab, Department of Medicine, Anschutz Medical Campus, University of Colorado, Aurora, CO 80045, USA.
- Pulmonary Sciences and Critical Care Medicine, Department of Medicine, Anschutz Medical Campus, University of Colorado, Aurora, CO 80045, USA.
- Rocky Mountain Regional VA Medical Center, Aurora, CO 80045, USA.
| | - Kurt Stenmark
- Cardiovascular and Pulmonary Research Lab, Department of Medicine, Anschutz Medical Campus, University of Colorado, Aurora, CO 80045, USA.
- Department of Pediatrics, Anschutz Medical Campus, University of Colorado, Aurora, CO 80045, USA.
| | - Vijaya Karoor
- Cardiovascular and Pulmonary Research Lab, Department of Medicine, Anschutz Medical Campus, University of Colorado, Aurora, CO 80045, USA.
- Pulmonary Sciences and Critical Care Medicine, Department of Medicine, Anschutz Medical Campus, University of Colorado, Aurora, CO 80045, USA.
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Tumor Necrosis Factor-α Initiates miRNA-mRNA Signaling Cascades in Obstruction-Induced Bladder Dysfunction. THE AMERICAN JOURNAL OF PATHOLOGY 2018; 188:1847-1864. [DOI: 10.1016/j.ajpath.2018.05.008] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/12/2018] [Revised: 04/03/2018] [Accepted: 05/03/2018] [Indexed: 02/08/2023]
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