1
|
Tong Y, Guo S, Li T, Yang K, Gao W, Peng F, Zou X. Gut microbiota and renal fibrosis. Life Sci 2024; 357:123072. [PMID: 39307181 DOI: 10.1016/j.lfs.2024.123072] [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: 06/09/2024] [Revised: 09/13/2024] [Accepted: 09/18/2024] [Indexed: 09/27/2024]
Abstract
Renal fibrosis represents a critical pathological condition in the progression of renal dysfunction, characterized by aberrant accumulation of extracellular matrix (ECM) and structural alterations in renal tissue. Recent research has highlighted the potential significance of gut microbiota and demonstrated their influence on host health and disease mechanisms through the production of bioactive metabolites. This review examines the role of alterations in gut microbial composition and their metabolites in the pathophysiological processes underlying renal fibrosis. It delineates current therapeutic interventions aimed at modulating gut microbiota composition, encompassing dietary modifications, pharmacological approaches, and probiotic supplementation, while evaluating their efficacy in mitigating renal fibrosis. Through a comprehensive analysis of current research findings, this review enhances our understanding of the bidirectional interaction between gut microbiota and renal fibrosis, establishing a theoretical foundation for future research directions and potential clinical applications in this domain.
Collapse
Affiliation(s)
- Yinghao Tong
- School of Basic Medical Sciences, Shandong Second Medical University, Weifang, China
| | - Shangze Guo
- School of Basic Medical Sciences, Shandong Second Medical University, Weifang, China
| | - Ting Li
- School of Basic Medical Sciences, Shandong Second Medical University, Weifang, China
| | - Kexin Yang
- School of Basic Medical Sciences, Shandong Second Medical University, Weifang, China
| | - Wei Gao
- School of Basic Medical Sciences, Shandong Second Medical University, Weifang, China
| | - Fujun Peng
- School of Basic Medical Sciences, Shandong Second Medical University, Weifang, China
| | - Xiangyu Zou
- School of Basic Medical Sciences, Shandong Second Medical University, Weifang, China.
| |
Collapse
|
2
|
Li G, Yang H, Zhang D, Zhang Y, Liu B, Wang Y, Zhou H, Xu ZX, Wang Y. The role of macrophages in fibrosis of chronic kidney disease. Biomed Pharmacother 2024; 177:117079. [PMID: 38968801 DOI: 10.1016/j.biopha.2024.117079] [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: 05/08/2024] [Revised: 06/23/2024] [Accepted: 06/29/2024] [Indexed: 07/07/2024] Open
Abstract
Macrophages are widely distributed throughout various tissues of the body, and mounting evidence suggests their involvement in regulating the tissue microenvironment, thereby influencing disease onset and progression through direct or indirect actions. In chronic kidney disease (CKD), disturbances in renal functional homeostasis lead to inflammatory cell infiltration, tubular expansion, glomerular atrophy, and subsequent renal fibrosis. Macrophages play a pivotal role in this pathological process. Therefore, understanding their role is imperative for investigating CKD progression, mitigating its advancement, and offering novel research perspectives for fibrosis treatment from an immunological standpoint. This review primarily delves into the intrinsic characteristics of macrophages, their origins, diverse subtypes, and their associations with renal fibrosis. Particular emphasis is placed on the transition between M1 and M2 phenotypes. In late-stage CKD, there is a shift from the M1 to the M2 phenotype, accompanied by an increased prevalence of M2 macrophages. This transition is governed by the activation of the TGF-β1/SMAD3 and JAK/STAT pathways, which facilitate macrophage-to-myofibroblast transition (MMT). The tyrosine kinase Src is involved in both signaling cascades. By thoroughly elucidating macrophage functions and comprehending the modes and molecular mechanisms of macrophage-fibroblast interaction in the kidney, novel, tailored therapeutic strategies for preventing or attenuating the progression of CKD can be developed.
Collapse
Affiliation(s)
- Guangtao Li
- Key Laboratory of Pathobiology, Ministry of Education, Jilin University, Changchun 130021, China
| | - Hongxia Yang
- Key Laboratory of Pathobiology, Ministry of Education, Jilin University, Changchun 130021, China
| | - Dan Zhang
- Key Laboratory of Pathobiology, Ministry of Education, Jilin University, Changchun 130021, China
| | - Yanghe Zhang
- Key Laboratory of Pathobiology, Ministry of Education, Jilin University, Changchun 130021, China
| | - Bin Liu
- Department of Urology, The First Hospital of Jilin University, Changchun 130021, China
| | - Yuxiong Wang
- Department of Urology, The First Hospital of Jilin University, Changchun 130021, China
| | - Honglan Zhou
- Department of Urology, The First Hospital of Jilin University, Changchun 130021, China.
| | - Zhi-Xiang Xu
- Key Laboratory of Pathobiology, Ministry of Education, Jilin University, Changchun 130021, China.
| | - Yishu Wang
- Key Laboratory of Pathobiology, Ministry of Education, Jilin University, Changchun 130021, China.
| |
Collapse
|
3
|
Szczepanski JM, Lieberman JA, Lamps LW, Gonzalez RS, Xue Y, Zhang X, Yilmaz OH, Hart J, Krausz T, Mantilla JG, McHugh JB, Westerhoff M. Histologic Features of Mycobacterial Spindle Cell Pseudotumors: A Multi-institutional Clinicopathologic Analysis of 14 Cases. Am J Surg Pathol 2024; 48:890-900. [PMID: 38726848 DOI: 10.1097/pas.0000000000002234] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/21/2024]
Abstract
Mycobacterial spindle cell pseudotumors (MSPs) are a rare and diagnostically challenging manifestation of non-tuberculous mycobacterial (NTM) infections. Proper recognition of these pseudotumors is important because they are treatable and benign. In this study, we evaluated the morphologic patterns of MSPs to improve their pathologic identification. Clinical and morphologic features of 14 MSPs were analyzed. Histologic factors evaluated included the architectural growth pattern of spindled or epithelioid macrophages, granulomas and their location within the lesion, neutrophilic microabscesses, multinucleated giant cells, necrosis, and effacement of background tissue. The composition of inflammatory infiltrates, organism density by acid-fast staining, and stromal changes were also assessed. In addition, 8 of 14 cases underwent molecular microbiology identification by a clinical amplicon-sequencing assay for non-tuberculous mycobacteria. MSP sites included 2 bowel, 10 lymph nodes, 1 liver, and 1 extremity. Cases with available clinical history (n=10) all occurred in immunocompromised patients. All demonstrated effacement of normal structures with spindled cells arranged in a storiform or fascicular architectural pattern. In addition, all cases showed lymphocytic inflammation, with prominent concurrent neutrophilic inflammation in 50% (7/14) of cases. Other morphologic findings included foamy histiocytes (64%, 9/14), peripherally situated granulomas (21%, 3/14), and neutrophilic microabscesses (21%, 3/14). All tested cases were positive for NTM by PCR methods. Mycobacterium avium was the most commonly isolated pathogen (6/8). Mycobacterial spindle cell pseudotumors show predominantly spindled morphology that may be mistaken as a neoplasm. Surgical pathologists who evaluate lymph nodes, soft tissue, and gastrointestinal tissues should be aware of this spindled tumefactive phenomenon in the setting of immunocompromised patients. Recognition of key morphologic features of neutrophilic inflammation, peripheral granulomas, or foamy histiocytes within a spindled lesion can help guide the pathologist to a correct diagnosis of an inflammatory process secondary to infection rather than a spindle cell neoplasm. Accurate diagnosis to facilitate appropriate antimicrobial and/or surgical therapy requires a comprehensive evaluation combining clinical, histopathologic, and microbiological findings.
Collapse
Affiliation(s)
| | - Joshua A Lieberman
- Department of Laboratory Medicine and Pathology, University of Washington School of Medicine, Seattle, WA
| | - Laura W Lamps
- Department of Pathology, University of Michigan, Ann Arbor, MI
| | - Raul S Gonzalez
- Department of Pathology and Laboratory Medicine, Emory University, Atlanta, GA
| | - Yue Xue
- Department of Pathology, Northwestern University
| | - Xuchen Zhang
- Department of Pathology, Yale School of Medicine, New Haven, CT
| | - Osman H Yilmaz
- Department of Pathology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA
| | - John Hart
- Department of Pathology, University of Chicago, Chicago, IL
| | - Thomas Krausz
- Department of Pathology, University of Chicago, Chicago, IL
| | - Jose G Mantilla
- Department of Pathology, NYU Grossman School of Medicine, New York City, NY
| | | | | |
Collapse
|
4
|
Taherian M, Bayati P, Mojtabavi N. Stem cell-based therapy for fibrotic diseases: mechanisms and pathways. Stem Cell Res Ther 2024; 15:170. [PMID: 38886859 PMCID: PMC11184790 DOI: 10.1186/s13287-024-03782-5] [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: 01/29/2024] [Accepted: 06/04/2024] [Indexed: 06/20/2024] Open
Abstract
Fibrosis is a pathological process, that could result in permanent scarring and impairment of the physiological function of the affected organ; this condition which is categorized under the term organ failure could affect various organs in different situations. The involvement of the major organs, such as the lungs, liver, kidney, heart, and skin, is associated with a high rate of morbidity and mortality across the world. Fibrotic disorders encompass a broad range of complications and could be traced to various illnesses and impairments; these could range from simple skin scars with beauty issues to severe rheumatologic or inflammatory disorders such as systemic sclerosis as well as idiopathic pulmonary fibrosis. Besides, the overactivation of immune responses during any inflammatory condition causing tissue damage could contribute to the pathogenic fibrotic events accompanying the healing response; for instance, the inflammation resulting from tissue engraftment could cause the formation of fibrotic scars in the grafted tissue, even in cases where the immune system deals with hard to clear infections, fibrotic scars could follow and cause severe adverse effects. A good example of such a complication is post-Covid19 lung fibrosis which could impair the life of the affected individuals with extensive lung involvement. However, effective therapies that halt or slow down the progression of fibrosis are missing in the current clinical settings. Considering the immunomodulatory and regenerative potential of distinct stem cell types, their application as an anti-fibrotic agent, capable of attenuating tissue fibrosis has been investigated by many researchers. Although the majority of the studies addressing the anti-fibrotic effects of stem cells indicated their potent capabilities, the underlying mechanisms, and pathways by which these cells could impact fibrotic processes remain poorly understood. Here, we first, review the properties of various stem cell types utilized so far as anti-fibrotic treatments and discuss the challenges and limitations associated with their applications in clinical settings; then, we will summarize the general and organ-specific mechanisms and pathways contributing to tissue fibrosis; finally, we will describe the mechanisms and pathways considered to be employed by distinct stem cell types for exerting anti-fibrotic events.
Collapse
Affiliation(s)
- Marjan Taherian
- Department of Immunology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
- Immunology Research Center, Institute of Immunology and Infectious Diseases, Iran University of Medical Sciences, Tehran, Iran
| | - Paria Bayati
- Department of Immunology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
- Immunology Research Center, Institute of Immunology and Infectious Diseases, Iran University of Medical Sciences, Tehran, Iran
| | - Nazanin Mojtabavi
- Department of Immunology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran.
- Immunology Research Center, Institute of Immunology and Infectious Diseases, Iran University of Medical Sciences, Tehran, Iran.
| |
Collapse
|
5
|
Nepon H, Allgayer R, Julien C, Petrecca S, Kalashnikov N, Safran T, Murphy A, Dionisopolous T, Davison P, Cerruti M, Vorstenbosch J. Altered Foreign Body Response at the Posterior Surface Compared to the Anterior Surface of Human Silicone Breast Implants. ACS Biomater Sci Eng 2024; 10:3006-3016. [PMID: 38640484 DOI: 10.1021/acsbiomaterials.3c01961] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/21/2024]
Abstract
Soft implantable devices are crucial to optimizing form and function for many patients. However, periprosthetic capsule fibrosis is one of the major challenges limiting the use of implants. Currently, little is understood about how spatial and temporal factors influence capsule physiology and how the local capsule environment affects the implant structure. In this work, we analyzed breast implant capsule specimens with staining, immunohistochemistry, and real-time polymerase chain reaction to investigate spatiotemporal differences in inflammation and fibrosis. We demonstrated that in comparison to the anterior capsule against the convex surface of breast implants, the posterior capsule against the flat surface of the breast implant displays several features of a dysregulated foreign body reaction including increased capsule thickness, abnormal extracellular remodeling, and infiltration of macrophages. Furthermore, the expression of pro-inflammatory cytokines increased in the posterior capsule across the lifespan of the device, but not in the anterior capsule. We also analyzed the surface oxidation of breast explant samples with XPS analysis. No significant differences in surface oxidation were identified either spatially or temporally. Collectively, our results support spatiotemporal heterogeneity in inflammation and fibrosis within the breast implant capsule. These findings presented here provide a more detailed picture of the complexity of the foreign body reaction surrounding implants destined for human use and could lead to key research avenues and clinical applications to treat periprosthetic fibrosis and improve device longevity.
Collapse
Affiliation(s)
- Hillary Nepon
- Division of Surgical and Interventional Sciences, McGill University, Montreal General Hospital, 1650 Cedar Avenue, Room T5-204, Montreal, Quebec H3G 1A4, Canada
- Division of Plastic & Reconstructive Surgery, McGill University, Montreal General Hospital, 1650 Cedar Avenue, Room T5-204, Montreal, Quebec H3G 1A4, Canada
| | - Raphaela Allgayer
- Department of Materials Engineering, McGill University, Wong Building, 3610 Rue University, Montreal, Quebec H3A 0C5, Canada
| | - Cedric Julien
- Research Institute of the McGill University Health Centre, McGill University, Montreal General Hospital, 1650 Cedar Avenue, Room T5-204, Montreal, Quebec H3G 1A4, Canada
| | - Sarah Petrecca
- Faculty of Medicine and Health Sciences, McGill University, 3605 de la Montagne, Montreal, Quebec H3G 1M1, Canada
| | - Nikita Kalashnikov
- Division of Surgical and Interventional Sciences, McGill University, Montreal General Hospital, 1650 Cedar Avenue, Room T5-204, Montreal, Quebec H3G 1A4, Canada
- Faculty of Medicine and Health Sciences, McGill University, 3605 de la Montagne, Montreal, Quebec H3G 1M1, Canada
| | - Tyler Safran
- Division of Plastic & Reconstructive Surgery, McGill University, Montreal General Hospital, 1650 Cedar Avenue, Room T5-204, Montreal, Quebec H3G 1A4, Canada
| | - Amanda Murphy
- Division of Plastic & Reconstructive Surgery, McGill University, Montreal General Hospital, 1650 Cedar Avenue, Room T5-204, Montreal, Quebec H3G 1A4, Canada
| | - Tassos Dionisopolous
- Division of Plastic & Reconstructive Surgery, McGill University, Montreal General Hospital, 1650 Cedar Avenue, Room T5-204, Montreal, Quebec H3G 1A4, Canada
| | - Peter Davison
- Division of Plastic & Reconstructive Surgery, McGill University, Montreal General Hospital, 1650 Cedar Avenue, Room T5-204, Montreal, Quebec H3G 1A4, Canada
| | - Marta Cerruti
- Department of Materials Engineering, McGill University, Wong Building, 3610 Rue University, Montreal, Quebec H3A 0C5, Canada
| | - Joshua Vorstenbosch
- Division of Plastic & Reconstructive Surgery, McGill University, Montreal General Hospital, 1650 Cedar Avenue, Room T5-204, Montreal, Quebec H3G 1A4, Canada
- Research Institute of the McGill University Health Centre, McGill University, Montreal General Hospital, 1650 Cedar Avenue, Room T5-204, Montreal, Quebec H3G 1A4, Canada
| |
Collapse
|
6
|
Hao J, Qiang P, Fan L, Xiong Y, Chang Y, Yang F, Wang X, Shimosawa T, Mu S, Xu Q. Eplerenone reduces lymphangiogenesis in the contralateral kidneys of UUO rats. Sci Rep 2024; 14:9976. [PMID: 38693148 PMCID: PMC11063175 DOI: 10.1038/s41598-024-60636-z] [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: 12/06/2023] [Accepted: 04/25/2024] [Indexed: 05/03/2024] Open
Abstract
Inflammation and fibrosis often occur in the kidney after acute injury, resulting in chronic kidney disease and consequent renal failure. Recent studies have indicated that lymphangiogenesis can drive renal inflammation and fibrosis in injured kidneys. However, whether and how this pathogenesis affects the contralateral kidney remain largely unknown. In our study, we uncovered a mechanism by which the contralateral kidney responded to injury. We found that the activation of mineralocorticoid receptors and the increase in vascular endothelial growth factor C in the contralateral kidney after unilateral ureteral obstruction could promote lymphangiogenesis. Furthermore, mineralocorticoid receptor activation in lymphatic endothelial cells resulted in the secretion of myofibroblast markers, thereby contributing to renal fibrosis. We observed that this process could be attenuated by administering the mineralocorticoid receptor blocker eplerenone, which, prevented the development of fibrotic injury in the contralateral kidneys of rats with unilateral ureteral obstruction. These findings offer valuable insights into the intricate mechanisms underlying kidney injury and may have implications for the development of therapeutic strategies to mitigate renal fibrosis in the context of kidney disease.
Collapse
Affiliation(s)
- Juan Hao
- Graduate School, Hebei University of Chinese Medicine, Shijiazhuang, China
- Hebei Key Laboratory of Integrative Medicine on Liver-Kidney Patterns, Hebei University of Chinese Medicine, Shijiazhuang, China
- Shijiazhuang Hospital of Traditional Chinese Medicine, Shijiazhuang, China
| | - Panpan Qiang
- Graduate School, Hebei University of Chinese Medicine, Shijiazhuang, China
- Hebei Key Laboratory of Integrative Medicine on Liver-Kidney Patterns, Hebei University of Chinese Medicine, Shijiazhuang, China
- Institute of Integrative Medicine, College of Integrative Medicine, Hebei University of Chinese Medicine, Shijiazhuang, China
| | - Lili Fan
- Graduate School, Hebei University of Chinese Medicine, Shijiazhuang, China
- Hebei Key Laboratory of Integrative Medicine on Liver-Kidney Patterns, Hebei University of Chinese Medicine, Shijiazhuang, China
| | - Yunzhao Xiong
- Graduate School, Hebei University of Chinese Medicine, Shijiazhuang, China
- Hebei Key Laboratory of Integrative Medicine on Liver-Kidney Patterns, Hebei University of Chinese Medicine, Shijiazhuang, China
- Institute of Integrative Medicine, College of Integrative Medicine, Hebei University of Chinese Medicine, Shijiazhuang, China
| | - Yi Chang
- Graduate School, Hebei University of Chinese Medicine, Shijiazhuang, China
- Hebei Key Laboratory of Integrative Medicine on Liver-Kidney Patterns, Hebei University of Chinese Medicine, Shijiazhuang, China
- Institute of Integrative Medicine, College of Integrative Medicine, Hebei University of Chinese Medicine, Shijiazhuang, China
| | - Fan Yang
- Graduate School, Hebei University of Chinese Medicine, Shijiazhuang, China
- Hebei Key Laboratory of Integrative Medicine on Liver-Kidney Patterns, Hebei University of Chinese Medicine, Shijiazhuang, China
- Institute of Integrative Medicine, College of Integrative Medicine, Hebei University of Chinese Medicine, Shijiazhuang, China
| | - Xiangting Wang
- Graduate School, Hebei University of Chinese Medicine, Shijiazhuang, China
- Hebei Key Laboratory of Integrative Medicine on Liver-Kidney Patterns, Hebei University of Chinese Medicine, Shijiazhuang, China
| | - Tatsuo Shimosawa
- Department of Clinical Laboratory, School of Medicine, International University of Health and Welfare, Narita, Chiba, Japan
| | - Shengyu Mu
- Department of Pharmacology and Toxicology, University of Arkansas for Medical Sciences, Little Rock, AR, USA.
| | - Qingyou Xu
- Graduate School, Hebei University of Chinese Medicine, Shijiazhuang, China.
- Hebei Key Laboratory of Integrative Medicine on Liver-Kidney Patterns, Hebei University of Chinese Medicine, Shijiazhuang, China.
- Institute of Integrative Medicine, College of Integrative Medicine, Hebei University of Chinese Medicine, Shijiazhuang, China.
| |
Collapse
|
7
|
Wyczanska M, Thalmeier F, Keller U, Klaus R, Narasimhan H, Ji X, Schraml BU, Wackerbarth LM, Lange-Sperandio B. Interleukin-10 enhances recruitment of immune cells in the neonatal mouse model of obstructive nephropathy. Sci Rep 2024; 14:5495. [PMID: 38448513 PMCID: PMC10917785 DOI: 10.1038/s41598-024-55469-9] [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: 09/01/2023] [Accepted: 02/23/2024] [Indexed: 03/08/2024] Open
Abstract
Urinary tract obstruction during renal development leads to inflammation, leukocyte infiltration, tubular cell death, and interstitial fibrosis. Interleukin-10 (IL-10) is an anti-inflammatory cytokine, produced mainly by monocytes/macrophages and regulatory T-cells. IL-10 inhibits innate and adaptive immune responses. IL-10 has a protective role in the adult model of obstructive uropathy. However, its role in neonatal obstructive uropathy is still unclear which led us to study the role of IL-10 in neonatal mice with unilateral ureteral obstruction (UUO). UUO serves as a model for congenital obstructive nephropathies, a leading cause of kidney failure in children. Newborn Il-10-/- and C57BL/6 wildtype-mice (WT) were subjected to complete UUO or sham-operation on the 2nd day of life. Neonatal kidneys were harvested at day 3, 7, and 14 of life and analyzed for different leukocyte subpopulations by FACS, for cytokines and chemokines by Luminex assay and ELISA, and for inflammation, programmed cell death, and fibrosis by immunohistochemistry and western blot. Compared to WT mice, Il-10-/- mice showed reduced infiltration of neutrophils, CD11bhi cells, conventional type 1 dendritic cells, and T-cells following UUO. Il-10-/- mice with UUO also showed a reduction in pro-inflammatory cytokine and chemokine release compared to WT with UUO, mainly of IP-10, IL-1α, MIP-2α and IL-17A. In addition, Il-10-/- mice showed less necroptosis after UUO while the rate of apoptosis was not different. Finally, α-SMA and collagen abundance as readout for fibrosis were similar in Il-10-/- and WT with UUO. Surprisingly and in contrast to adult Il-10-/- mice undergoing UUO, neonatal Il-10-/- mice with UUO showed a reduced inflammatory response compared to respective WT control mice with UUO. Notably, long term changes such as renal fibrosis were not different between neonatal Il-10-/- and neonatal WT mice with UUO suggesting that IL-10 signaling is different in neonates and adults with UUO.
Collapse
Affiliation(s)
- Maja Wyczanska
- Department of Pediatrics, Dr. v. Hauner Children's Hospital, University Hospital, LMU Munich, Lindwurmstraße 4, 80337, Munich, Germany
| | - Franziska Thalmeier
- Department of Pediatrics, Dr. v. Hauner Children's Hospital, University Hospital, LMU Munich, Lindwurmstraße 4, 80337, Munich, Germany
| | - Ursula Keller
- Department of Pediatrics, Dr. v. Hauner Children's Hospital, University Hospital, LMU Munich, Lindwurmstraße 4, 80337, Munich, Germany
| | - Richard Klaus
- Department of Pediatrics, Dr. v. Hauner Children's Hospital, University Hospital, LMU Munich, Lindwurmstraße 4, 80337, Munich, Germany
| | - Hamsa Narasimhan
- Biomedical Center, Institute for Cardiovascular Physiology and Pathophysiology, Faculty of Medicine, LMU Munich, 82152, Planegg-Martinsried, Germany
| | - Xingqi Ji
- Biomedical Center, Institute for Cardiovascular Physiology and Pathophysiology, Faculty of Medicine, LMU Munich, 82152, Planegg-Martinsried, Germany
| | - Barbara U Schraml
- Biomedical Center, Institute for Cardiovascular Physiology and Pathophysiology, Faculty of Medicine, LMU Munich, 82152, Planegg-Martinsried, Germany
| | - Lou M Wackerbarth
- Biomedical Center, Institute for Cardiovascular Physiology and Pathophysiology, Faculty of Medicine, LMU Munich, 82152, Planegg-Martinsried, Germany
| | - Bärbel Lange-Sperandio
- Department of Pediatrics, Dr. v. Hauner Children's Hospital, University Hospital, LMU Munich, Lindwurmstraße 4, 80337, Munich, Germany.
| |
Collapse
|
8
|
Kamal MM, El-Abhar HS, Abdallah DM, Ahmed KA, Aly NES, Rabie MA. Mirabegron, dependent on β3-adrenergic receptor, alleviates mercuric chloride-induced kidney injury by reversing the impact on the inflammatory network, M1/M2 macrophages, and claudin-2. Int Immunopharmacol 2024; 126:111289. [PMID: 38016347 DOI: 10.1016/j.intimp.2023.111289] [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: 07/12/2023] [Revised: 11/21/2023] [Accepted: 11/22/2023] [Indexed: 11/30/2023]
Abstract
The β3-adrenergic receptor (β3-AR) agonism mirabegron is used to treat overactive urinary bladder syndrome; however, its role against acute kidney injury (AKI) is not unveiled, hence, we aim to repurpose mirabegron in the treatment of mercuric chloride (HgCl2)-induced AKI. Rats were allocated into normal, normal + mirabegron, HgCl2 untreated, HgCl2 + mirabegron, and HgCl2 + the β3-AR blocker SR59230A + mirabegron. The latter increased the mRNA of β3-AR and miR-127 besides downregulating NF-κB p65 protein expression and the contents of its downstream targets iNOS, IL-4, -13, and -17 but increased that of IL-10 to attest its anti-inflammatory capacity. Besides, mirabegron downregulated the protein expression of STAT-6, PI3K, and ERK1/2, the downstream targets of the above cytokines. Additionally, it enhanced the transcription factor PPAR-α but turned off the harmful hub HNF-4α/HNF-1α and the lipid peroxide marker MDA. Mirabegron also downregulated the CD-163 protein expression, which besides the inhibited correlated cytokines of M1 (NF-κB p65, iNOS, IL-17) and M2 (IL-4, IL-13, CD163, STAT6, ERK1/2), inactivated the macrophage phenotypes. The crosstalk between these parameters was echoed in the maintenance of claudin-2, kidney function-related early (cystatin-C, KIM-1, NGAL), and late (creatinine, BUN) injury markers, besides recovering the microscopic structures. Nonetheless, the pre-administration of SR59230A has nullified the beneficial effects of mirabegron on the aforementioned parameters. Here we verified that mirabegron can berepurposedto treat HgCl2-induced AKI by activating the β3-AR. Mirabegron signified its effect by inhibiting inflammation, oxidative stress, and the activated M1/M2 macrophages, events that preserved the proximal tubular tight junction claudin-2 via the intersection of several trajectories.
Collapse
Affiliation(s)
- Mahmoud M Kamal
- Research Institute of Medical Entomology, General Organization for Teaching Hospitals and Institutes, Cairo, Egypt
| | - Hanan S El-Abhar
- Department of Pharmacology, Toxicology, and Biochemistry, Faculty of Pharmacy, Future University in Egypt (FUE), 11835 Cairo, Egypt
| | - Dalaal M Abdallah
- Pharmacology and Toxicology Department, Faculty of Pharmacy, Cairo University, 11562 Cairo, Egypt.
| | - Kawkab A Ahmed
- Pathology Department, Faculty of Veterinary Medicine, Cairo University, Cairo, Egypt
| | - Nour Eldin S Aly
- Research Institute of Medical Entomology, General Organization for Teaching Hospitals and Institutes, Cairo, Egypt
| | - Mostafa A Rabie
- Pharmacology and Toxicology Department, Faculty of Pharmacy, Cairo University, 11562 Cairo, Egypt; Faculty of Pharmacy and Drug Technology, Egyptian Chinese University (ECU), 19346, Egypt
| |
Collapse
|
9
|
Hu J, Zhang X, Ma F, Huang C, Jiang Y. LncRNA CASC2 Alleviates Renal Interstitial Inflammation and Fibrosis through MEF2C Downregulation-Induced Hinderance of M1 Macrophage Polarization. Nephron Clin Pract 2023; 148:245-263. [PMID: 38142674 DOI: 10.1159/000531919] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2022] [Accepted: 05/25/2023] [Indexed: 12/26/2023] Open
Abstract
INTRODUCTION Long noncoding RNA (lncRNA) cancer susceptibility candidate 2 (CASC2) alleviates the progression of diabetic nephropathy by inhibiting inflammation and fibrosis. This study investigated how CASC2 impacts renal interstitial fibrosis (RIF) through regulating M1 macrophage (M1) polarization. METHOD Nine-week-old mice underwent unilateral ureteral obstruction (UUO) establishment. Macrophages were induced toward M1 polarization using lipopolysaccharide (LPS) in vitro and cocultured with fibroblasts to examine how M1 polarization influences RIF. LnCeCell predicted that CASC2 interacted with myocyte enhancer factor 2 C (MEF2C), which was validated by dual-luciferase reporter assay. CASC2/MEF2C overexpression was achieved by lentivirus-expressing lncRNA CASC2 injection in vivo or CASC2 and MEF2C transfection in vitro. Renal injury was evaluated through biochemical analysis and hematoxylin-eosin/Masson staining. Macrophage infiltration and M1 polarization in the kidney and/or macrophages were detected by immunofluorescence, flow cytometry, and/or quantitative reverse transcription polymerase chain reaction (qRT-PCR). Expressions of CASC2, MEF2C, and markers related to inflammation/M1/fibrosis in the kidney/macrophages/fibroblasts were analyzed by qRT-PCR, fluorescence in situ hybridization, enzyme-linked immunosorbent assay, and/or Western blot. RESULT In the kidneys of mice, CASC2 was downregulated and macrophage infiltration was promoted time-dependently from days 3 to 14 post-UUO induction; CASC2 overexpression alleviated renal histological abnormalities, hindered macrophage infiltration and M1 polarization, downregulated renal function markers serum creatinine and blood urea nitrogen and inflammation/M1/fibrosis-related makers, and offset UUO-induced MEF2C upregulation. LncRNA CASC2 overexpression inhibited fibroblast fibrosis and M1 polarization in cocultured fibroblasts with LPS-activated macrophages. Also, CASC2 bound to MEF2C and inhibited its expression in LPS-activated macrophages. Furthermore, MEF2C reversed the inhibitory effects of lncRNA CASC2 overexpression. CONCLUSION CASC2 alleviates RIF by inhibiting M1 polarization through directly downregulating MEF2C expression. CASC2 might represent a promising value of future investigations on treatment for RIF.
Collapse
Affiliation(s)
- Jinping Hu
- Department of Nephrology, HongHui Hospital, Xi'an Jiaotong University, Xi'an, China
| | - Xiaoyan Zhang
- Department of Nephrology, Xijing Hospital, Fourth Military Medical University, Xi'an, China
| | - Feng Ma
- Department of Nephrology, HongHui Hospital, Xi'an Jiaotong University, Xi'an, China
| | - Chen Huang
- Department of Nephrology, Xijing Hospital, Fourth Military Medical University, Xi'an, China
| | - Yali Jiang
- Department of Nephrology, Xijing Hospital, Fourth Military Medical University, Xi'an, China
| |
Collapse
|
10
|
Yoshino S, Matsubara Y, Kurose S, Yamashita S, Morisaki K, Furuyama T, Yoshizumi T. Left Renal Vein Division during Open Surgical Repair for Abdominal Aortic Aneurysm May Cause Long-Term Kidney Remodeling. Ann Vasc Surg 2023; 96:155-165. [PMID: 37075832 DOI: 10.1016/j.avsg.2023.03.035] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2023] [Revised: 03/24/2023] [Accepted: 03/30/2023] [Indexed: 04/21/2023]
Abstract
BACKGROUND Left renal vein division (LRVD) is a maneuver performed during open surgical repair for abdominal aortic aneurysms. Even so, the long-term effects of LRVD on renal remodeling are unknown. Therefore, we hypothesized that interrupting the venous return of the left renal vein might cause renal congestion and fibrotic remodeling of the left kidney. METHODS We used a murine left renal vein ligation model with 8-week-old to 12-week-old wild-type male mice. Bilateral kidneys and blood samples were harvested postoperatively on days 1, 3, 7, and 14. We assessed the renal function and the pathohistological changes in the left kidneys. In addition, we retrospectively analyzed 174 patients with open surgical repairs between 2006 and 2015 to assess the influence of LRVD on clinical data. RESULTS Temporary renal decline with left kidney swelling occurred in a murine left renal vein ligation model. In the pathohistological assessment of the left kidney, macrophage accumulation, necrotic atrophy, and renal fibrosis were observed. In addition, Myofibroblast-like macrophage, which is involved in renal fibrosis, was observed in the left kidney. We also noted that LRVD was associated with temporary renal decline and left kidney swelling. LRVD did not, however, impair renal function in long-term observation. Additionally, the relative cortical thickness of the left kidney in the LRVD group was significantly lower than that of the right kidney. These findings indicated that LRVD was associated with left kidney remodeling. CONCLUSIONS Venous return interruption of the left renal vein is associated with left kidney remodeling. Furthermore, interruption in the venous return of the left renal vein does not correlate with chronic renal failure. Therefore, we suggest careful follow-up of renal function after LRVD.
Collapse
Affiliation(s)
- Shinichiro Yoshino
- Department of Surgery and Science, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Yutaka Matsubara
- Department of Surgery and Science, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Shun Kurose
- Department of Surgery and Science, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Sho Yamashita
- Department of Surgery and Science, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Koichi Morisaki
- Department of Surgery and Science, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Tadashi Furuyama
- Department of Surgery and Science, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan.
| | - Tomoharu Yoshizumi
- Department of Surgery and Science, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| |
Collapse
|
11
|
McLean DT, Meudt JJ, Lopez Rivera LD, Schomberg DT, Pavelec DM, Duellman TT, Buehler DG, Schwartz PB, Graham M, Lee LM, Graff KD, Reichert JL, Bon-Durant SS, Konsitzke CM, Ronnekleiv-Kelly SM, Shanmuganayagam D, Rubinstein CD. Single-cell RNA sequencing of neurofibromas reveals a tumor microenvironment favorable for neural regeneration and immune suppression in a neurofibromatosis type 1 porcine model. Front Oncol 2023; 13:1253659. [PMID: 37817770 PMCID: PMC10561395 DOI: 10.3389/fonc.2023.1253659] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2023] [Accepted: 09/11/2023] [Indexed: 10/12/2023] Open
Abstract
Neurofibromatosis Type 1 (NF1) is one of the most common genetically inherited disorders that affects 1 in 3000 children annually. Clinical manifestations vary widely but nearly always include the development of cutaneous, plexiform and diffuse neurofibromas that are managed over many years. Recent single-cell transcriptomics profiling efforts of neurofibromas have begun to reveal cell signaling processes. However, the cell signaling networks in mature, non-cutaneous neurofibromas remain unexplored. Here, we present insights into the cellular composition and signaling within mature neurofibromas, contrasting with normal adjacent tissue, in a porcine model of NF1 using single-cell RNA sequencing (scRNA-seq) analysis and histopathological characterization. These neurofibromas exhibited classic diffuse-type histologic morphology and expected patterns of S100, SOX10, GFAP, and CD34 immunohistochemistry. The porcine mature neurofibromas closely resemble human neurofibromas histologically and contain all known cellular components of their human counterparts. The scRNA-seq confirmed the presence of all expected cell types within these neurofibromas and identified novel populations of fibroblasts and immune cells, which may contribute to the tumor microenvironment by suppressing inflammation, promoting M2 macrophage polarization, increasing fibrosis, and driving the proliferation of Schwann cells. Notably, we identified tumor-associated IDO1 +/CD274+ (PD-L1) + dendritic cells, which represent the first such observation in any NF1 animal model and suggest the role of the upregulation of immune checkpoints in mature neurofibromas. Finally, we observed that cell types in the tumor microenvironment are poised to promote immune evasion, extracellular matrix reconstruction, and nerve regeneration.
Collapse
Affiliation(s)
- Dalton T. McLean
- Biotechnology Center, University of Wisconsin–Madison, Madison, WI, United States
- Molecular & Environmental Toxicology Program, University of Wisconsin–Madison, Madison, WI, United States
| | - Jennifer J. Meudt
- Biomedical & Genomic Research Group, Department of Animal and Dairy Sciences, University of Wisconsin–Madison, Madison, WI, United States
| | - Loren D. Lopez Rivera
- Molecular & Environmental Toxicology Program, University of Wisconsin–Madison, Madison, WI, United States
| | - Dominic T. Schomberg
- Biomedical & Genomic Research Group, Department of Animal and Dairy Sciences, University of Wisconsin–Madison, Madison, WI, United States
| | - Derek M. Pavelec
- Biotechnology Center, University of Wisconsin–Madison, Madison, WI, United States
| | - Tyler T. Duellman
- Biotechnology Center, University of Wisconsin–Madison, Madison, WI, United States
| | - Darya G. Buehler
- Department of Pathology and Laboratory Medicine, University of Wisconsin School of Medicine and Public Health, Madison, WI, United States
| | - Patrick B. Schwartz
- Molecular & Environmental Toxicology Program, University of Wisconsin–Madison, Madison, WI, United States
- Department of Surgery, University of Wisconsin School of Medicine and Public Health, Madison, WI, United States
| | - Melissa Graham
- Research Animal Resources and Compliance (RARC), Office of the Vice Chancellor for Research and Graduate Education, University of Wisconsin–Madison, Madison, WI, United States
| | - Laura M. Lee
- Research Animal Resources and Compliance (RARC), Office of the Vice Chancellor for Research and Graduate Education, University of Wisconsin–Madison, Madison, WI, United States
| | - Keri D. Graff
- Swine Research and Teaching Center, Department of Animal and Dairy Sciences, University of Wisconsin–Madison, Madison, WI, United States
| | - Jamie L. Reichert
- Swine Research and Teaching Center, Department of Animal and Dairy Sciences, University of Wisconsin–Madison, Madison, WI, United States
| | - Sandra S. Bon-Durant
- Biotechnology Center, University of Wisconsin–Madison, Madison, WI, United States
| | - Charles M. Konsitzke
- Biotechnology Center, University of Wisconsin–Madison, Madison, WI, United States
| | - Sean M. Ronnekleiv-Kelly
- Department of Surgery, University of Wisconsin School of Medicine and Public Health, Madison, WI, United States
| | - Dhanansayan Shanmuganayagam
- Molecular & Environmental Toxicology Program, University of Wisconsin–Madison, Madison, WI, United States
- Biomedical & Genomic Research Group, Department of Animal and Dairy Sciences, University of Wisconsin–Madison, Madison, WI, United States
- Department of Surgery, University of Wisconsin School of Medicine and Public Health, Madison, WI, United States
- Center for Biomedical Swine Research and Innovation, University of Wisconsin–Madison, Madison, WI, United States
| | - C. Dustin Rubinstein
- Biotechnology Center, University of Wisconsin–Madison, Madison, WI, United States
| |
Collapse
|
12
|
Bahram Yazdroudi F, Malek A. Optimal controlling of anti-TGF-[Formula: see text] and anti-PDGF medicines for preventing pulmonary fibrosis. Sci Rep 2023; 13:15073. [PMID: 37699920 PMCID: PMC10497573 DOI: 10.1038/s41598-023-41294-z] [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: 05/28/2023] [Accepted: 08/24/2023] [Indexed: 09/14/2023] Open
Abstract
In the repair of injury, some transforming growth factor-[Formula: see text]s (TGF-[Formula: see text]s) and platelet-derived growth factors (PDGFs) bind to fibroblast receptors as ligands and cause the differentiation of fibroblasts into myofibroblasts. When the injury repair is repeated, the myofibroblasts proliferate excessively, forming fibrotic tissue. We goal to control myofibroblasts proliferation and apoptosis with anti-transforming growth factor-[Formula: see text] (anti-TGF-[Formula: see text]) and anti-platelet-derived growth factor (anti-PDGF) medicines. The novel optimal regulator control problem with two controls (medicines) is proposed to simulate how to the preventing pulmonary fibrosis. Idiopathic pulmonary fibrosis (IPF) consists of restoring a system of cells, protein, and tissue networks with injury and scar. Myofibroblasts proliferation back to its equilibrium position after it has been disturbed by abnormal repair. Thus, the optimal regulator control problem with a parabolic partial differential equation as a constraint, zero flux boundary, and given specific initial conditions, is considered. The myofibroblast diffusion equation stands as a governing dynamic system while the objective function is the summation of myofibroblast, anti-TGF-[Formula: see text] and anti-PDGF medicines for the fixed final time. Here, myofibroblast is a nonlinear state of time while anti-TGF-[Formula: see text] and anti-PDGF are two unknown control functions. In order to solve the corresponding problem a weighted Galerkin method is used. Firstly, we convert the myofibroblast diffusion equation to a system of ordinary differential equations using the Lagrangian interpolation polynomials defined at Gauss-Lobatto integration points. Secondly, by the calculus of variations, the optimal control problem is solved successfully using canonical Hamiltonian and extended Riccati equations. Numerical results are given, and the plots are depicted. Moreover, solutions to the problem in which there is no control are compared. Numerical results show that, over time, the myofibroblast increases and then remains constant when there is no control. In contrast, the current solution decreases and vanishes after 300 days by prescribing controller medicines for anti-TGF-[Formula: see text] and anti-PDGF. The optimal strategy proposed in this paper helps practitioners to reduce myofibroblasts by controlling both anti-TGF-[Formula: see text] and anti-PDGF medicines.
Collapse
Affiliation(s)
- Fatemeh Bahram Yazdroudi
- Department of Applied Mathematics, Faculty of Mathematical Sciences, Tarbiat Modares University, Tehran, Iran
| | - Alaeddin Malek
- Department of Applied Mathematics, Faculty of Mathematical Sciences, Tarbiat Modares University, Tehran, Iran
| |
Collapse
|
13
|
Chen X, Hocher CF, Shen L, Krämer BK, Hocher B. Reno- and cardioprotective molecular mechanisms of SGLT2 inhibitors beyond glycemic control: from bedside to bench. Am J Physiol Cell Physiol 2023; 325:C661-C681. [PMID: 37519230 DOI: 10.1152/ajpcell.00177.2023] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2023] [Revised: 07/18/2023] [Accepted: 07/19/2023] [Indexed: 08/01/2023]
Abstract
Large placebo-controlled clinical trials have shown that sodium-glucose cotransporter-2 inhibitors (SGLT2i) delay the deterioration of renal function and reduce cardiovascular events in a glucose-independent manner, thereby ultimately reducing mortality in patients with chronic kidney disease (CKD) and/or heart failure. These existing clinical data stimulated preclinical studies aiming to understand the observed clinical effects. In animal models, it was shown that the beneficial effect of SGLT2i on the tubuloglomerular feedback (TGF) improves glomerular pressure and reduces tubular workload by improving renal hemodynamics, which appears to be dependent on salt intake. High salt intake might blunt the SGLT2i effects on the TGF. Beyond the salt-dependent effects of SGLT2i on renal hemodynamics, SGLT2i inhibited several key aspects of macrophage-mediated renal inflammation and fibrosis, including inhibiting the differentiation of monocytes to macrophages, promoting the polarization of macrophages from a proinflammatory M1 phenotype to an anti-inflammatory M2 phenotype, and suppressing the activation of inflammasomes and major proinflammatory factors. As macrophages are also important cells mediating atherosclerosis and myocardial remodeling after injury, the inhibitory effects of SGLT2i on macrophage differentiation and inflammatory responses may also play a role in stabilizing atherosclerotic plaques and ameliorating myocardial inflammation and fibrosis. Recent studies suggest that SGLT2i may also act directly on the Na+/H+ exchanger and Late-INa in cardiomyocytes thus reducing Na+ and Ca2+ overload-mediated myocardial damage. In addition, the renal-cardioprotective mechanisms of SGLT2i include systemic effects on the sympathetic nervous system, blood volume, salt excretion, and energy metabolism.
Collapse
Affiliation(s)
- Xin Chen
- Department of Nephrology, Charité-Universitätsmedizin Berlin, Berlin, Germany
- Fifth Department of Medicine (Nephrology/Endocrinology/Rheumatology/Pneumology), University Medical Centre Mannheim, University of Heidelberg, Heidelberg, Germany
| | - Carl-Friedrich Hocher
- Fifth Department of Medicine (Nephrology/Endocrinology/Rheumatology/Pneumology), University Medical Centre Mannheim, University of Heidelberg, Heidelberg, Germany
- Klinik für Innere Medizin, Bundeswehrkrankenhaus Berlin, Berlin, Germany
| | - Linghong Shen
- Department of Cardiology, Shanghai Chest Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Bernhard K Krämer
- Fifth Department of Medicine (Nephrology/Endocrinology/Rheumatology/Pneumology), University Medical Centre Mannheim, University of Heidelberg, Heidelberg, Germany
| | - Berthold Hocher
- Fifth Department of Medicine (Nephrology/Endocrinology/Rheumatology/Pneumology), University Medical Centre Mannheim, University of Heidelberg, Heidelberg, Germany
- Reproductive and Genetic Hospital of CITIC-Xiangya, Changsha, China
- Institute of Reproductive and Stem Cell Engineering, NHC Key Laboratory of Human Stem Cell and Reproductive Engineering, School of Basic Medical Science, Central South University, Changsha, China
- IMD Institut für Medizinische Diagnostik Berlin-Potsdam GbR, Berlin, Germany
| |
Collapse
|
14
|
Oh H, Kwon O, Kong MJ, Park KM, Baek JH. Macrophages promote Fibrinogenesis during kidney injury. Front Med (Lausanne) 2023; 10:1206362. [PMID: 37425313 PMCID: PMC10325639 DOI: 10.3389/fmed.2023.1206362] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2023] [Accepted: 05/31/2023] [Indexed: 07/11/2023] Open
Abstract
Macrophages (Mø) are widely considered fundamental in the development of kidney fibrosis since Mø accumulation commonly aggravates kidney fibrosis, while Mø depletion mitigates it. Although many studies have aimed to elucidate Mø-dependent mechanisms linked to kidney fibrosis and have suggested various mechanisms, the proposed roles have been mostly passive, indirect, and non-unique to Mø. Therefore, the molecular mechanism of how Mø directly promote kidney fibrosis is not fully understood. Recent evidence suggests that Mø produce coagulation factors under diverse pathologic conditions. Notably, coagulation factors mediate fibrinogenesis and contribute to fibrosis. Thus, we hypothesized that kidney Mø express coagulation factors that contribute to the provisional matrix formation during acute kidney injury (AKI). To test our hypothesis, we probed for Mø-derived coagulation factors after kidney injury and uncovered that both infiltrating and kidney-resident Mø produce non-redundant coagulation factors in AKI and chronic kidney disease (CKD). We also identified F13a1, which catalyzes the final step of the coagulation cascade, as the most strongly upregulated coagulation factor in murine and human kidney Mø during AKI and CKD. Our in vitro experiments revealed that the upregulation of coagulation factors in Mø occurs in a Ca2 + -dependent manner. Taken together, our study demonstrates that kidney Mø populations express key coagulation factors following local injury, suggesting a novel effector mechanism of Mø contributing to kidney fibrosis.
Collapse
Affiliation(s)
- Hanna Oh
- Laboratory of Inflammation Research, Handong Global University, Pohang, Gyeongbuk, South Korea
- School of Life Science, Handong Global University, Pohang, Gyeongbuk, South Korea
| | - Ohbin Kwon
- Laboratory of Inflammation Research, Handong Global University, Pohang, Gyeongbuk, South Korea
- School of Life Science, Handong Global University, Pohang, Gyeongbuk, South Korea
| | - Min Jung Kong
- Department of Anatomy, BK21Plus, Cardiovascular Research Institute, School of Medicine, Kyungpook National University, Daegu, South Korea
| | - Kwon Moo Park
- Department of Anatomy, BK21Plus, Cardiovascular Research Institute, School of Medicine, Kyungpook National University, Daegu, South Korea
| | - Jea-Hyun Baek
- Laboratory of Inflammation Research, Handong Global University, Pohang, Gyeongbuk, South Korea
- School of Life Science, Handong Global University, Pohang, Gyeongbuk, South Korea
| |
Collapse
|
15
|
Wang H, Gao Y, Wang L, Yu Y, Zhang J, Liu C, Song Y, Xu H, Wang J, Lou H, Dong T. Lung specific homing of diphenyleneiodonium chloride improves pulmonary fibrosis by inhibiting macrophage M2 metabolic program. J Adv Res 2023; 44:213-225. [PMID: 36725191 PMCID: PMC9936526 DOI: 10.1016/j.jare.2022.04.012] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2022] [Revised: 04/20/2022] [Accepted: 04/22/2022] [Indexed: 02/04/2023] Open
Abstract
INTRODUCTION Pulmonary fibrosis (PF) is a fatal disease with a variable and unpredictable course. Effective clinical treatment for PF remains a challenge due to low drug accumulation in lungs and imbalanced polarization of pro/anti-fibrotic macrophages. OBJECTIVES To identify the alteration of immunometabolism in the pulmonary macrophages and investigate the feasibility of specific inhibition of M2 activation of macrophages as an effective anti-PF strategy in vivo. METHODS The high-content screening system was used to select lung-specific homing compounds that can modulate macrophage polarization. Imaging mass spectrometry (IMS) conjugated with chemical proteomics approach was conducted to explore the cells and proteins targeted by diphenyleneiodonium chloride (DPI). A bleomycin-induced fibrotic mouse model was established to examine the in vivo effect of DPI. RESULTS Pulmonary macrophages of PF at late stage exhibited predominantly the M2 phenotype with decreased glycolysis metabolism. DPI was demonstrated to inhibit profibrotic activation of macrophages in the preliminary screening. Notably, IMS conjugated with chemical proteomics approach revealed DPI specifically targeted pulmonary macrophages, leading to the efficient protection from bleomycin-induced pulmonary fibrosis in mice. Mechanistically, DPI upregulated glycolysis and suppressed M2 programming in fibrosis mice, thus resulting in pro-fibrotic cytokine inhibition, hydroxyproline biosynthesis, and collagen deposition, with a concomitant increase in alveolar airspaces. CONCLUSIONS DPI mediated glycolysis in lung and accordingly suppressed M2 programming, resulting in improved lung fibrosis.
Collapse
Affiliation(s)
- Huirui Wang
- Department of Natural Product Chemistry, Key Laboratory of Chemical Biology (Ministry of Education), School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, China
| | - Yinghui Gao
- Department of Natural Product Chemistry, Key Laboratory of Chemical Biology (Ministry of Education), School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, China
| | - Li Wang
- Respiratory Medicines, The Affiliated Hospital of Yanan University, Yan'an, Shaanxi, China
| | - Yang Yu
- Advanced Medical Research Institute, Cheeloo College of Medicine, Shandong University, Jinan, China
| | - Jiaozhen Zhang
- Department of Natural Product Chemistry, Key Laboratory of Chemical Biology (Ministry of Education), School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, China
| | - Chunyu Liu
- Department of Natural Product Chemistry, Key Laboratory of Chemical Biology (Ministry of Education), School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, China
| | - Yaxin Song
- Department of Natural Product Chemistry, Key Laboratory of Chemical Biology (Ministry of Education), School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, China
| | - Haochuan Xu
- Peking University Health Science Center, Beijing, China
| | - Jingcheng Wang
- Department of Natural Product Chemistry, Key Laboratory of Chemical Biology (Ministry of Education), School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, China
| | - Hongxiang Lou
- Department of Natural Product Chemistry, Key Laboratory of Chemical Biology (Ministry of Education), School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, China.
| | - Ting Dong
- Department of Natural Product Chemistry, Key Laboratory of Chemical Biology (Ministry of Education), School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, China.
| |
Collapse
|
16
|
Peng Z, Wang H, Zheng J, Wang J, Xiang Y, Liu C, Ji M, Liu H, Pan L, Qin X, Qu X. Is the proximal tubule the focus of tubulointerstitial fibrosis? Heliyon 2023; 9:e13508. [PMID: 36846656 PMCID: PMC9950842 DOI: 10.1016/j.heliyon.2023.e13508] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2022] [Revised: 01/15/2023] [Accepted: 02/01/2023] [Indexed: 02/09/2023] Open
Abstract
Tubulointerstitial fibrosis (TIF), a common end result of almost all progressive chronic kidney diseases (CKD), is also the best predictor of kidney survival. Almost all cells in the kidney are involved in the progression of TIF. Myofibroblasts, the primary producers of extracellular matrix, have previously received a great deal of attention; however, a large body of emerging evidence reveals that proximal tubule (PT) plays a central role in TIF progression. In response to injury, renal tubular epithelial cells (TECs) transform into inflammatory and fibroblastic cells, producing various bioactive molecules that drive interstitial inflammation and fibrosis. Here we reviewed the increasing evidence for the key role of the PT in promoting TIF in tubulointerstitial and glomerular injury and discussed the therapeutic targets and carrier systems involving the PT that holds particular promise for treating patients with fibrotic nephropathy.
Collapse
Affiliation(s)
- Zhi Peng
- Department of Physiology, School of Basic Medical Science, Central South University, Changsha 410008, Hunan, China
| | - Hui Wang
- Department of Physiology, School of Basic Medical Science, Central South University, Changsha 410008, Hunan, China
| | - Jiaoyun Zheng
- Department of Pathology, The Second Xiangya Hospital, Central South University, Changsha, China
| | - Jie Wang
- Department of Physiology, School of Basic Medical Science, Central South University, Changsha 410008, Hunan, China
| | - Yang Xiang
- Department of Physiology, School of Basic Medical Science, Central South University, Changsha 410008, Hunan, China
| | - Chi Liu
- Department of Physiology, School of Basic Medical Science, Central South University, Changsha 410008, Hunan, China
| | - Ming Ji
- Department of Physiology, School of Basic Medical Science, Central South University, Changsha 410008, Hunan, China
| | - Huijun Liu
- Department of Physiology, School of Basic Medical Science, Central South University, Changsha 410008, Hunan, China
| | - Lang Pan
- Department of Physiology, School of Basic Medical Science, Central South University, Changsha 410008, Hunan, China
| | - Xiaoqun Qin
- Department of Physiology, School of Basic Medical Science, Central South University, Changsha 410008, Hunan, China
| | - Xiangping Qu
- Department of Physiology, School of Basic Medical Science, Central South University, Changsha 410008, Hunan, China
| |
Collapse
|
17
|
Devraj VM, Kalidindi K, Guditi S, Uppin M, Taduri G. Macrophage polarization in kidney transplant patients. Transpl Immunol 2022; 75:101717. [PMID: 36130699 DOI: 10.1016/j.trim.2022.101717] [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: 07/17/2022] [Revised: 09/12/2022] [Accepted: 09/13/2022] [Indexed: 11/30/2022]
Abstract
BACKGROUND Macrophages can oscillate between two functionally distinct states: proinflammatory M1 and anti-inflammatory M2. Classically- activated M1 macrophages produce proinflammatory cytokines (TNF-α, IFN-ƴ, and IL-6), which ares associated with graft dysfunction/rejections. In contrast, alternatively-activated macrophages M2 produce anti-inflammatory cytokines (IL-10) that are involved in host defense, tissue repair/remodeling, debris scavenging, and immune regulation, thereby helps to improve long-term graft survival. METHODS In this study, we have identified graft dysfunction or rejection by biopsies using immunohistochemistry. Flow cytometry was used to detect M1 (CD163+, CD206+, and CD200R+) and M2 (CD86+, CD80+, and CD68+) macrophages. Enzyme-linked immunosorbent assay (ELISA) was used to measure a panel of cytokines. RESULTS Histological analysis of the kidney transplants (n = 30) was used to distinguish those with acute/chronic allograft rejection (n = 15) from those with stable kidney function (n = 15). Flow cytometry results showed that patients with graft rejection exhibited macrophages with decreased expression (33.28%) of M2 macrophage markers (CD163+, CD206+, and CD200R+) and reduced production of IL-10 (as detected using ELISA). However, 71.33% of the macrophages were found to have M1 markers (CD86+, CD80+, and CD68+; p = 0.002) and produced proinflammatory cytokines (TNF-α, IFN-ƴ, and IL-6) by ELISA (p = 0.001) when compared with the healthy control group. In contrast, stable kidney transplants had 65.58% M2 and 27.66% M1 macrophages (p = 0.03) and produced IL-10. These findings suggest that M1 macrophages dominate in kidney grafts with dysfunction or rejection, whereas M2 macrophages dominate in kidney grafts with stable function. CONCLUSION Our observations implicate a major shift towards M2 macrophages in stable kidney transplants, which are markedly downregulated in patients with graft dysfunction or rejection. In contrast, an increased frequency of M1 macrophages remained dominant in the pathophysiology of kidney transplants undergoing active dysfunction or rejection.
Collapse
Affiliation(s)
- Vijaya Madhuri Devraj
- Department of Nephrology, Nizam's Institute of Medical Sciences (NIMS), Punjagutta, Hyderabad, Telangana 500082, India
| | - Karthik Kalidindi
- Department of Nephrology, Nizam's Institute of Medical Sciences (NIMS), Punjagutta, Hyderabad, Telangana 500082, India
| | - Swarnalatha Guditi
- Department of Nephrology, Nizam's Institute of Medical Sciences (NIMS), Punjagutta, Hyderabad, Telangana 500082, India
| | - Megha Uppin
- Department of Pathology, Nizam's Institute of Medical Sciences (NIMS), Punjagutta, Hyderabad, Telangana 500082, India
| | - Gangadhar Taduri
- Department of Nephrology, Nizam's Institute of Medical Sciences (NIMS), Punjagutta, Hyderabad, Telangana 500082, India.
| |
Collapse
|
18
|
Wu J, Xu Y, Geng Z, Zhou J, Xiong Q, Xu Z, Li H, Han Y. Chitosan oligosaccharide alleviates renal fibrosis through reducing oxidative stress damage and regulating TGF-β1/Smads pathway. Sci Rep 2022; 12:19160. [PMID: 36357407 PMCID: PMC9649626 DOI: 10.1038/s41598-022-20719-1] [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: 11/11/2021] [Accepted: 09/16/2022] [Indexed: 11/11/2022] Open
Abstract
Renal fibrosis (RF) is the common pathway for a variety of chronic kidney diseases that progress to end-stage renal disease. Chitosan oligosaccharide (COS) has been identified as possessing many health functions. However, it is not clear whether COS can prevent RF. The purpose of this paper was to explore the action and mechanism of COS in alleviating RF. First, an acute unilateral ureteral obstruction operation (UUO) in male BALB/c mice was performed to induce RF, and COS or fosinopril (positive control drug) were administered for 7 consecutive days. Data from our experiments indicated that COS treatment can significantly alleviate kidney injury and decrease the levels of blood urea nitrogen (BUN) and serum creatinine (SCr) in the UUO mouse model. More importantly, our results show that COS can reduce collagen deposition and decrease the expression of fibrosis proteins, such as collagen IV, fibronectin, collagen I, α-smooth muscle actin (α-SMA) and E-cadherin, ameliorating experimental renal fibrosis in vivo. In addition, we also found that COS suppressed oxidative stress and inflammation in RF model mice. Further studies indicated that the mechanism by which COS alleviates renal fibrosis is closely related to the regulation of the TGF-β1/Smad pathway. COS has a therapeutic effect on ameliorating renal fibrosis similar to that of the positive control drug fosinopril. Taken together, COS can alleviate renal fibrosis induced by UUO by reducing oxidative stress damage and regulating the TGF-β1/Smad pathway.
Collapse
Affiliation(s)
- Jun Wu
- School of Chinese Medicine, Shandong College of Traditional Chinese Medicine, Yantai, 264199 Shandong People’s Republic of China ,grid.411866.c0000 0000 8848 7685Science and Technology Innovation Center, Guangzhou University of Chinese Medicine, Guangzhou, 510006 Guangdong People’s Republic of China
| | - Yingtao Xu
- School of Chinese Medicine, Shandong College of Traditional Chinese Medicine, Yantai, 264199 Shandong People’s Republic of China
| | - Zikai Geng
- grid.440653.00000 0000 9588 091XSchool of Integrated Chinese and Western Medicine, Binzhou Medical University, Yantai, 264003 Shandong People’s Republic of China
| | - Jianqing Zhou
- grid.511252.0Department of Food, Jiangsu Food and Pharmaceutical Science College, Huai’an, 223003 Jiangsu China
| | - Qingping Xiong
- grid.417678.b0000 0004 1800 1941Jiangsu Key Laboratory of Regional Resource Exploitation and Medicinal Research, Huaiyin Institute of Technology, Huai’an, 223003 Jiangsu People’s Republic of China
| | - Zhimeng Xu
- grid.417678.b0000 0004 1800 1941Jiangsu Key Laboratory of Regional Resource Exploitation and Medicinal Research, Huaiyin Institute of Technology, Huai’an, 223003 Jiangsu People’s Republic of China
| | - Hailun Li
- grid.417303.20000 0000 9927 0537Department of Nephrology, Affiliated Huai’an Hospital of Xuzhou Medical University, 223002, Huai’an, Jiangsu People’s Republic of China
| | - Yun Han
- School of Chinese Medicine, Shandong College of Traditional Chinese Medicine, Yantai, 264199 Shandong People’s Republic of China ,grid.440653.00000 0000 9588 091XSchool of Integrated Chinese and Western Medicine, Binzhou Medical University, Yantai, 264003 Shandong People’s Republic of China
| |
Collapse
|
19
|
Qiang P, Hao J, Yang F, Han Y, Chang Y, Xian Y, Xiong Y, Gao X, Liang L, Shimosawa T, Xu Q. Esaxerenone inhibits the macrophage-to-myofibroblast transition through mineralocorticoid receptor/TGF-β1 pathway in mice induced with aldosterone. Front Immunol 2022; 13:948658. [PMID: 36148244 PMCID: PMC9485811 DOI: 10.3389/fimmu.2022.948658] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2022] [Accepted: 08/16/2022] [Indexed: 11/17/2022] Open
Abstract
Renal fibrosis is the inevitable pathway of the progression of chronic kidney disease to end-stage renal disease, which manifests as progressive glomerulosclerosis and renal interstitial fibrosis. In a previous study, we observed severe interstitial fibrosis in the contralateral kidneys of 6-month unilateral ureteral obstruction (UUO) rats, which was accompanied by increased macrophage infiltration and phenotypic transformation; after eplerenone administration, these effects were reduced. Therefore, we hypothesized that this effect was closely related to mineralocorticoid receptor (MR) activation induced by the increased aldosterone (ALD) level. In this study, we used uninephrectomy plus continuous aldosterone infusion in mice to observe whether aldosterone induced macrophage-to-myofibroblast transition (MMT) and renal fibrosis and investigated the signaling pathways. Notably, aldosterone induced predominantly M1 macrophage-to-myofibroblast transition by activating MR and upregulating TGF-β1 expression, which promoted renal fibrosis. These effects were antagonized by the MR blocker esaxerenone. These findings suggest that targeting the MR/TGF-β1 pathway may be an effective therapeutic strategy for renal fibrosis.
Collapse
Affiliation(s)
- Panpan Qiang
- Graduate School, Hebei University of Chinese Medicine, Shijiazhuang, China
- Hebei Key Laboratory of Integrative Medicine on Liver-Kidney Patterns, Hebei University of Chinese Medicine, Shijiazhuang, China
| | - Juan Hao
- Graduate School, Hebei University of Chinese Medicine, Shijiazhuang, China
- Hebei Key Laboratory of Integrative Medicine on Liver-Kidney Patterns, Hebei University of Chinese Medicine, Shijiazhuang, China
| | - Fan Yang
- Hebei Key Laboratory of Integrative Medicine on Liver-Kidney Patterns, Hebei University of Chinese Medicine, Shijiazhuang, China
- Institute of Integrative Medicine, College of Integrative Medicine, Hebei University of Chinese Medicine, Shijiazhuang, China
| | - Yutong Han
- Graduate School, Hebei University of Chinese Medicine, Shijiazhuang, China
- Hebei Key Laboratory of Integrative Medicine on Liver-Kidney Patterns, Hebei University of Chinese Medicine, Shijiazhuang, China
| | - Yi Chang
- Hebei Key Laboratory of Integrative Medicine on Liver-Kidney Patterns, Hebei University of Chinese Medicine, Shijiazhuang, China
- Institute of Integrative Medicine, College of Integrative Medicine, Hebei University of Chinese Medicine, Shijiazhuang, China
| | - Yunqian Xian
- Graduate School, Hebei University of Chinese Medicine, Shijiazhuang, China
- Hebei Key Laboratory of Integrative Medicine on Liver-Kidney Patterns, Hebei University of Chinese Medicine, Shijiazhuang, China
| | - Yunzhao Xiong
- Hebei Key Laboratory of Integrative Medicine on Liver-Kidney Patterns, Hebei University of Chinese Medicine, Shijiazhuang, China
- Institute of Integrative Medicine, College of Integrative Medicine, Hebei University of Chinese Medicine, Shijiazhuang, China
| | - Xiaomeng Gao
- Graduate School, Hebei University of Chinese Medicine, Shijiazhuang, China
- Hebei Key Laboratory of Integrative Medicine on Liver-Kidney Patterns, Hebei University of Chinese Medicine, Shijiazhuang, China
| | - Lijuan Liang
- Department of Clinical Laboratory, School of Medicine, International University of Health and Welfare, Narita, Japan
| | - Tatsuo Shimosawa
- Department of Clinical Laboratory, School of Medicine, International University of Health and Welfare, Narita, Japan
- *Correspondence: Qingyou Xu, ; Tatsuo Shimosawa,
| | - Qingyou Xu
- Graduate School, Hebei University of Chinese Medicine, Shijiazhuang, China
- Hebei Key Laboratory of Integrative Medicine on Liver-Kidney Patterns, Hebei University of Chinese Medicine, Shijiazhuang, China
- Institute of Integrative Medicine, College of Integrative Medicine, Hebei University of Chinese Medicine, Shijiazhuang, China
- *Correspondence: Qingyou Xu, ; Tatsuo Shimosawa,
| |
Collapse
|
20
|
van Mechelen RJS, Wolters JEJ, Herfs M, Bertens CJF, Gijbels M, Pinchuk L, Gorgels TGMF, Beckers HJM. Wound Healing Response After Bleb-Forming Glaucoma Surgery With a SIBS Microshunt in Rabbits. Transl Vis Sci Technol 2022; 11:29. [PMID: 36018582 PMCID: PMC9428362 DOI: 10.1167/tvst.11.8.29] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
Abstract
Purpose The PreserFlo MicroShunt is an innovative implant for the surgical treatment of glaucoma. Although usually effective, surgeries can still fail due to fibrosis. This study was conducted to gain insight into the histological aspects of the fibrotic response and find potential targets to reduce postoperative fibrosis. Methods Fifteen New Zealand White rabbits were implanted with a microshunt and followed up for 40 days. Animals were euthanized at postoperative days (PODs) 1, 5, and 40 to collect eyes for histological evaluation. Bleb formation and ocular health were assessed by slit-lamp (SL) biomicroscopy and optical coherence tomography (OCT). Intraocular pressure (IOP) was measured using rebound tonometry. Results Blebs failed after approximately 2 weeks based on bleb survival and IOP measurements. No severe complications were observed with OCT and SL. Histology revealed a wide variety of cells, in the bleb and around the microshunt, including polymorphonuclear leucocytes (PMNs), myofibroblasts, and foreign body giant cells, at different PODs. Conclusions Implantation of a poly(styrene-b-isobutylene-b-styrene) microshunt in rabbits resulted in the occurrence of a wide variety of cells during the wound-healing response. Future research should further elucidate the potential of these (earlier often overlooked) cells to target the fibrotic response in vivo—for example, by developing novel antifibrotic drugs, methods for sustained delivery of medications, or augmenting material properties. Translational Relevance Current antifibrotic therapies aim to inhibit myofibroblasts; however, a wide variety of cells are involved in the fibrotic response. Future research focusing on these cells could offer novel methods for reducing the fibrotic response after glaucoma surgery.
Collapse
Affiliation(s)
- Ralph J S van Mechelen
- University Eye Clinic Maastricht, Maastricht University Medical Center+, Maastricht, the Netherlands.,Department of Ophthalmology, School for Mental Health and Neuroscience, Maastricht University, Maastricht, the Netherlands.,Chemelot Institute for Science and Technology, Maastricht, the Netherlands
| | - Jarno E J Wolters
- University Eye Clinic Maastricht, Maastricht University Medical Center+, Maastricht, the Netherlands.,Department of Ophthalmology, School for Mental Health and Neuroscience, Maastricht University, Maastricht, the Netherlands.,Chemelot Institute for Science and Technology, Maastricht, the Netherlands
| | - Marjolein Herfs
- University Eye Clinic Maastricht, Maastricht University Medical Center+, Maastricht, the Netherlands.,Department of Ophthalmology, School for Mental Health and Neuroscience, Maastricht University, Maastricht, the Netherlands.,Chemelot Institute for Science and Technology, Maastricht, the Netherlands
| | - Christian J F Bertens
- University Eye Clinic Maastricht, Maastricht University Medical Center+, Maastricht, the Netherlands.,Department of Ophthalmology, School for Mental Health and Neuroscience, Maastricht University, Maastricht, the Netherlands.,Chemelot Institute for Science and Technology, Maastricht, the Netherlands
| | - Marion Gijbels
- Department of Pathology, Cardiovascular Research Institute Maastricht, School for Oncology and Developmental Biology, Maastricht University, Maastricht, the Netherlands.,Department of Medical Biochemistry, Experimental Vascular Biology, Amsterdam UMC, University of Amsterdam, Amsterdam, the Netherlands
| | | | - Theo G M F Gorgels
- University Eye Clinic Maastricht, Maastricht University Medical Center+, Maastricht, the Netherlands
| | - Henny J M Beckers
- University Eye Clinic Maastricht, Maastricht University Medical Center+, Maastricht, the Netherlands
| |
Collapse
|
21
|
Chen H, Liu N, Zhuang S. Macrophages in Renal Injury, Repair, Fibrosis Following Acute Kidney Injury and Targeted Therapy. Front Immunol 2022; 13:934299. [PMID: 35911736 PMCID: PMC9326079 DOI: 10.3389/fimmu.2022.934299] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2022] [Accepted: 06/20/2022] [Indexed: 11/13/2022] Open
Abstract
Acute kidney injury (AKI) is a renal disease with a high incidence and mortality. Currently, there are no targeted therapeutics for preventing and treating AKI. Macrophages, important players in mammalian immune response, are involved in the multiple pathological processes of AKI. They are dynamically activated and exhibit a diverse spectrum of functional phenotypes in the kidney after AKI. Targeting the mechanisms of macrophage activation significantly improves the outcomes of AKI in preclinical studies. In this review, we summarize the role of macrophages and the underlying mechanisms of macrophage activation during kidney injury, repair, regeneration, and fibrosis and provide strategies for macrophage-targeted therapies.
Collapse
Affiliation(s)
- Hui Chen
- Department of Nephrology, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, China
| | - Na Liu
- Department of Nephrology, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, China
| | - Shougang Zhuang
- Department of Nephrology, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, China
- Department of Medicine, Rhode Island Hospital and Alpert Medical School, Brown University, Providence, RI, United States
| |
Collapse
|
22
|
Kanno Y, Shu E. α2-Antiplasmin as a Potential Therapeutic Target for Systemic Sclerosis. Life (Basel) 2022; 12:life12030396. [PMID: 35330147 PMCID: PMC8953682 DOI: 10.3390/life12030396] [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: 02/07/2022] [Revised: 03/04/2022] [Accepted: 03/04/2022] [Indexed: 11/24/2022] Open
Abstract
Systemic sclerosis is a connective tissue disease of unknown origin that is characterized by immune system abnormalities, vascular damage, and extensive fibrosis of the skin and visceral organs. α2-antiplasmin is known to be the main plasmin inhibitor and has various functions such as cell differentiation and cytokine production, as well as the regulation of the maintenance of the immune system, endothelial homeostasis, and extracellular matrix metabolism. The expression of α2-antiplasmin is elevated in dermal fibroblasts from systemic sclerosis patients, and the blockade of α2-antiplasmin suppresses fibrosis progression and vascular dysfunction in systemic sclerosis model mice. α2-antiplasmin may have promise as a potential therapeutic target for systemic sclerosis. This review considers the role of α2-antiplasmin in the progression of systemic sclerosis.
Collapse
Affiliation(s)
- Yosuke Kanno
- Department of Clinical Pathological Biochemistry, Faculty of Pharmaceutical Science, Doshisha Women’s College of Liberal Arts, 97-1 Kodo Kyotanabe, Kyoto 610-0395, Japan
- Department of Dermatology, Graduate School of Medicine, Gifu University, 1-1 Yanagido, Gifu 501-1194, Japan;
- Correspondence: ; Tel.:+81-0774-65-8629
| | - En Shu
- Department of Dermatology, Graduate School of Medicine, Gifu University, 1-1 Yanagido, Gifu 501-1194, Japan;
| |
Collapse
|
23
|
Zhang QY, Xu SJ, Qian JC, Yang LB, Chen PQ, Wang Y, Hu X, Zhang YL, Luo W, Liang G. Pharmacological inhibition of MyD88 suppresses inflammation in tubular epithelial cells and prevents diabetic nephropathy in experimental mice. Acta Pharmacol Sin 2022; 43:354-366. [PMID: 34552217 PMCID: PMC8792016 DOI: 10.1038/s41401-021-00766-6] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2021] [Accepted: 08/12/2021] [Indexed: 02/03/2023] Open
Abstract
Emerging evidence shows that chronic inflammation mediated by toll-like receptors (TLRs) contributes to diabetic nephropathy. Myeloid differentiation primary-response protein-88 (MyD88) is an essential adapter protein of all TLRs except TLR3 in innate immunity. It is unclear whether MyD88 could be a therapeutic target for diabetic nephropathy. Here, we used a new small-molecule MyD88 inhibitor, LM8, to examine the pharmacological inhibition of MyD88 in protecting kidneys from inflammatory injury in diabetes. We showed that MyD88 was significantly activated in the kidney of STZ-induced type 1 diabetic mice in tubular epithelial cells as well as in high glucose-treated rat tubular epithelial cells NRK-52E. In cultured tubular epithelial cells, we show that LM8 (2.5-10 μM) or MyD88 siRNA attenuated high-concentration glucose-induced inflammatory and fibrogenic responses through inhibition of MyD88-TLR4 interaction and downstream NF-κB activation. Treatment with LM8 (5, 10 mg/kg, i.g.) significantly reduced renal inflammation and fibrosis and preserved renal function in both type 1 and type 2 diabetic mice. These renoprotective effects were associated with reduced MyD88-TLR4 complex formation, suppressed NF-κB signaling, and prevention of inflammatory factor expression. Collectively, our results show that hyperglycemia activates MyD88 signaling cascade to induce renal inflammation, fibrosis, and dysfunction. Pharmacological inhibition of MyD88 may be a therapeutic approach to mitigate diabetic nephropathy and the inhibitor LM8 could be a potential candidate for such therapy.
Collapse
Affiliation(s)
- Qiu-yan Zhang
- grid.268099.c0000 0001 0348 3990Chemical Biology Research Center, School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, 325035 China ,grid.268099.c0000 0001 0348 3990Medical Research Center, The First Affiliated Hospital, Wenzhou Medical University, Wenzhou, 325035 China
| | - Su-jing Xu
- grid.268099.c0000 0001 0348 3990Chemical Biology Research Center, School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, 325035 China ,grid.268099.c0000 0001 0348 3990School and Hospital of Stomatology, Wenzhou Medical University, Wenzhou, 325027 China
| | - Jian-chang Qian
- grid.268099.c0000 0001 0348 3990Chemical Biology Research Center, School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, 325035 China
| | - Li-bin Yang
- grid.268099.c0000 0001 0348 3990Chemical Biology Research Center, School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, 325035 China
| | - Peng-qin Chen
- grid.268099.c0000 0001 0348 3990Chemical Biology Research Center, School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, 325035 China
| | - Yi Wang
- grid.268099.c0000 0001 0348 3990Chemical Biology Research Center, School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, 325035 China
| | - Xiang Hu
- grid.268099.c0000 0001 0348 3990Department of Endocrinology, The First Affiliated Hospital, Wenzhou Medical University, Wenzhou, 325035 China
| | - Ya-li Zhang
- grid.268099.c0000 0001 0348 3990Chemical Biology Research Center, School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, 325035 China
| | - Wu Luo
- grid.268099.c0000 0001 0348 3990Medical Research Center, The First Affiliated Hospital, Wenzhou Medical University, Wenzhou, 325035 China
| | - Guang Liang
- grid.268099.c0000 0001 0348 3990Chemical Biology Research Center, School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, 325035 China ,grid.506977.a0000 0004 1757 7957School of Pharmaceutical Sciences, Hangzhou Medical College, Hangzhou, 311399 China ,grid.410726.60000 0004 1797 8419Wenzhou Institute, University of Chinese Academy of Sciences, Wenzhou, 325001 China
| |
Collapse
|
24
|
Li J, Gong X. Tetramethylpyrazine: An Active Ingredient of Chinese Herbal Medicine With Therapeutic Potential in Acute Kidney Injury and Renal Fibrosis. Front Pharmacol 2022; 13:820071. [PMID: 35145414 PMCID: PMC8821904 DOI: 10.3389/fphar.2022.820071] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2021] [Accepted: 01/10/2022] [Indexed: 12/23/2022] Open
Abstract
As an increasing public health concern worldwide, acute kidney injury (AKI) is characterized by rapid deterioration of kidney function. Although continuous renal replacement therapy (CRRT) could be used to treat severe AKI, effective drug treatment methods for AKI are largely lacking. Tetramethylpyrazine (TMP) is an active ingredient of Chinese herb Ligusticum wallichii (Chuan Xiong) with antioxidant and anti-inflammatory functions. In recent years, more and more clinical and experimental studies suggest that TMP might effectively prevent AKI. The present article reviews the potential mechanisms of TMP against AKI. Through search and review, a total of 23 studies were finally included. Our results indicate that the undergoing mechanisms of TMP preventing AKI are mainly related to reducing oxidative stress injury, inhibiting inflammation, preventing apoptosis of intrinsic renal cells, and regulating autophagy. Meanwhile, given that AKI and chronic kidney disease (CKD) are very tightly linked by each other, and AKI is also an important inducement of CKD, we thus summarized the potential of TMP impeding the progression of CKD through anti-renal fibrosis.
Collapse
|
25
|
Yin Y, Zhu ZX, Li Z, Chen YS, Zhu WM. Role of mesenteric component in Crohn’s disease: A friend or foe? World J Gastrointest Surg 2021; 13:1536-1549. [PMID: 35070062 PMCID: PMC8727179 DOI: 10.4240/wjgs.v13.i12.1536] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/29/2021] [Revised: 08/01/2021] [Accepted: 11/25/2021] [Indexed: 02/06/2023] Open
Abstract
Crohn’s disease (CD) is a complex and relapsing gastrointestinal disease with mesenteric alterations. The mesenteric neural, vascular, and endocrine systems actively take part in the gut dysbiosis-adaptive immunity-mesentery-body axis, and this axis has been proven to be bidirectional. The abnormalities of morphology and function of the mesenteric component are associated with intestinal inflammation and disease progress of CD via responses to afferent signals, neuropeptides, lymphatic drainage, adipokines, and functional cytokines. The hypertrophy of mesenteric adipose tissue plays important roles in the pathogenesis of CD by secreting large amounts of adipokines and representing a rich source of proinflammatory or profibrotic cytokines. The vascular alteration, including angiogenesis and lymphangiogenesis, is concomitant in the disease course of CD. Of note, the enlarged and obstructed lymphatic vessels, which have been described in CD patients, are likely related to the early onset submucosa edema and being a cause of CD. The function of mesenteric lymphatics is influenced by endocrine of mesenteric nerves and adipocytes. Meanwhile, the structure of the mesenteric lymphatic vessels in hypertrophic mesenteric adipose tissue is mispatterned and ruptured, which can lead to lymph leakage. Leaky lymph factors can in turn stimulate adipose tissue to proliferate and effectively elicit an immune response. The identification of the role of mesentery and the crosstalk between mesenteric tissues in intestinal inflammation may shed light on understanding the underlying mechanism of CD and help explore new therapeutic targets.
Collapse
Affiliation(s)
- Yi Yin
- Department of General Surgery, Jinling Hospital, Medical School of Nanjing University, Nanjing 210002, Jiangsu Province, China
| | - Zhen-Xing Zhu
- Department of General Surgery, Jinling Hospital, Medical School of Nanjing University, Nanjing 210002, Jiangsu Province, China
| | - Zhun Li
- Department of General Surgery, Jinling Hospital, Medical School of Nanjing University, Nanjing 210002, Jiangsu Province, China
| | - Yu-Sheng Chen
- Department of General Surgery, Jinling Hospital, Medical School of Nanjing University, Nanjing 210002, Jiangsu Province, China
| | - Wei-Ming Zhu
- Department of General Surgery, Jinling Hospital, Medical School of Nanjing University, Nanjing 210002, Jiangsu Province, China
| |
Collapse
|
26
|
Jiao B, An C, Du H, Tran M, Wang P, Zhou D, Wang Y. STAT6 Deficiency Attenuates Myeloid Fibroblast Activation and Macrophage Polarization in Experimental Folic Acid Nephropathy. Cells 2021; 10:3057. [PMID: 34831280 PMCID: PMC8623460 DOI: 10.3390/cells10113057] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2021] [Revised: 10/25/2021] [Accepted: 11/04/2021] [Indexed: 01/02/2023] Open
Abstract
Renal fibrosis is a pathologic feature of chronic kidney disease, which can lead to end-stage kidney disease. Myeloid fibroblasts play a central role in the pathogenesis of renal fibrosis. However, the molecular mechanisms pertaining to myeloid fibroblast activation remain to be elucidated. In the present study, we examine the role of signal transducer and activator of transcription 6 (STAT6) in myeloid fibroblast activation, macrophage polarization, and renal fibrosis development in a mouse model of folic acid nephropathy. STAT6 is activated in the kidney with folic acid nephropathy. Compared with folic-acid-treated wild-type mice, STAT6 knockout mice had markedly reduced myeloid fibroblasts and myofibroblasts in the kidney with folic acid nephropathy. Furthermore, STAT6 knockout mice exhibited significantly less CD206 and PDGFR-β dual-positive fibroblast accumulation and M2 macrophage polarization in the kidney with folic acid nephropathy. Consistent with these findings, STAT6 knockout mice produced less extracellular matrix protein, exhibited less severe interstitial fibrosis, and preserved kidney function in folic acid nephropathy. Taken together, these results have shown that STAT6 plays a critical role in myeloid fibroblasts activation, M2 macrophage polarization, extracellular matrix protein production, and renal fibrosis development in folic acid nephropathy. Therefore, targeting STAT6 may provide a novel therapeutic strategy for fibrotic kidney disease.
Collapse
Affiliation(s)
- Baihai Jiao
- Division of Nephrology, Department of Medicine, University of Connecticut School of Medicine, Farmington, CT 06030, USA; (B.J.); (C.A.); (H.D.); metr (M.T.); (D.Z.)
| | - Changlong An
- Division of Nephrology, Department of Medicine, University of Connecticut School of Medicine, Farmington, CT 06030, USA; (B.J.); (C.A.); (H.D.); metr (M.T.); (D.Z.)
| | - Hao Du
- Division of Nephrology, Department of Medicine, University of Connecticut School of Medicine, Farmington, CT 06030, USA; (B.J.); (C.A.); (H.D.); metr (M.T.); (D.Z.)
| | - Melanie Tran
- Division of Nephrology, Department of Medicine, University of Connecticut School of Medicine, Farmington, CT 06030, USA; (B.J.); (C.A.); (H.D.); metr (M.T.); (D.Z.)
| | - Penghua Wang
- Department of Immunology, University of Connecticut School of Medicine, Farmington, CT 06030, USA;
| | - Dong Zhou
- Division of Nephrology, Department of Medicine, University of Connecticut School of Medicine, Farmington, CT 06030, USA; (B.J.); (C.A.); (H.D.); metr (M.T.); (D.Z.)
| | - Yanlin Wang
- Division of Nephrology, Department of Medicine, University of Connecticut School of Medicine, Farmington, CT 06030, USA; (B.J.); (C.A.); (H.D.); metr (M.T.); (D.Z.)
- Department of Cell Biology, University of Connecticut School of Medicine, Farmington, CT 06030, USA
- Institute for Systems Genomics, University of Connecticut School of Medicine, Farmington, CT 06030, USA
- Renal Section, Veterans Affairs Connecticut Healthcare System, West Haven, CT 06516, USA
| |
Collapse
|
27
|
Wiśniewska J, Sadowska A, Wójtowicz A, Słyszewska M, Szóstek-Mioduchowska A. Perspective on Stem Cell Therapy in Organ Fibrosis: Animal Models and Human Studies. Life (Basel) 2021; 11:life11101068. [PMID: 34685439 PMCID: PMC8538998 DOI: 10.3390/life11101068] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2021] [Revised: 10/06/2021] [Accepted: 10/08/2021] [Indexed: 12/17/2022] Open
Abstract
Tissue fibrosis is characterized by excessive deposition of extracellular matrix (ECM) components that result from the disruption of regulatory processes responsible for ECM synthesis, deposition, and remodeling. Fibrosis develops in response to a trigger or injury and can occur in nearly all organs of the body. Thus, fibrosis leads to severe pathological conditions that disrupt organ architecture and cause loss of function. It has been estimated that severe fibrotic disorders are responsible for up to one-third of deaths worldwide. Although intensive research on the development of new strategies for fibrosis treatment has been carried out, therapeutic approaches remain limited. Since stem cells, especially mesenchymal stem cells (MSCs), show remarkable self-renewal, differentiation, and immunomodulatory capacity, they have been intensively tested in preclinical studies and clinical trials as a potential tool to slow down the progression of fibrosis and improve the quality of life of patients with fibrotic disorders. In this review, we summarize in vitro studies, preclinical studies performed on animal models of human fibrotic diseases, and recent clinical trials on the efficacy of allogeneic and autologous stem cell applications in severe types of fibrosis that develop in lungs, liver, heart, kidney, uterus, and skin. Although the results of the studies seem to be encouraging, there are many aspects of cell-based therapy, including the cell source, dose, administration route and frequency, timing of delivery, and long-term safety, that remain open areas for future investigation. We also discuss the contemporary status, challenges, and future perspectives of stem cell transplantation for therapeutic options in fibrotic diseases as well as we present recent patents for stem cell-based therapies in organ fibrosis.
Collapse
|
28
|
Stein MC, Braun F, Krebs CF, Bunders MJ. Kidney organoid systems for studies of immune-mediated kidney diseases: challenges and opportunities. Cell Tissue Res 2021; 385:457-473. [PMID: 34309728 PMCID: PMC8310776 DOI: 10.1007/s00441-021-03499-4] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2021] [Accepted: 06/23/2021] [Indexed: 12/17/2022]
Abstract
Acute and chronic kidney diseases are major contributors to morbidity and mortality in the global population. Many nephropathies are considered to be immune-mediated with dysregulated immune responses playing an important role in the pathogenesis. At present, targeted approaches for many kidney diseases are still lacking, as the underlying mechanisms remain insufficiently understood. With the recent development of organoids—a three-dimensional, multicellular culture system, which recapitulates important aspects of human tissues—new opportunities to investigate interactions between renal cells and immune cells in the pathogenesis of kidney diseases arise. To date, kidney organoid systems, which reflect the structure and closer resemble critical aspects of the organ, have been established. Here, we highlight the recent advances in the development of kidney organoid models, including pluripotent stem cell-derived kidney organoids and primary epithelial cell-based tubuloids. The employment and further required advances of current organoid models are discussed to investigate the role of the immune system in renal tissue development, regeneration, and inflammation to identify targets for the development of novel therapeutic approaches of immune-mediated kidney diseases.
Collapse
Affiliation(s)
- Melissa C Stein
- Research Department Virus Immunology, Leibniz-Institute for Experimental Virology, Hamburg, Germany
| | - Fabian Braun
- III. Department of Medicine, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Christian F Krebs
- Division of Translational Immunology, III. Department of Medicine, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
- Hamburg Center for Translational Immunology (HCTI), University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Madeleine J Bunders
- Research Department Virus Immunology, Leibniz-Institute for Experimental Virology, Hamburg, Germany.
| |
Collapse
|
29
|
Zhen H, Hu H, Rong G, Huang X, Tan C, Yu X. VitA or VitD ameliorates bronchopulmonary dysplasia by regulating the balance between M1 and M2 macrophages. Biomed Pharmacother 2021; 141:111836. [PMID: 34214728 DOI: 10.1016/j.biopha.2021.111836] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2020] [Revised: 06/14/2021] [Accepted: 06/14/2021] [Indexed: 11/19/2022] Open
Abstract
PURPOSE To investigate the therapeutic effects of vitamin A (VitA) or vitamin D (VitD) against bronchopulmonary dysplasia (BPD) and the underlying mechanism from the perspective of macrophage polarization. METHODS A BPD model was established on rats. Hematoxylin and eosin staining was used to evaluate the pathological state of lung tissues. The expression of CD68 was determined by immunohistochemistry assay. The infiltration of M1 and M2 macrophages was marked by immunofluorescence. The expression levels of tumor necrosis factor (TNF)-α, interleukin (IL)-10, nitric oxide synthase (NOS), and arginase-1 (Arg-1) were evaluated by quantitative reverse transcription polymerase chain reaction assay, and the ratio of M1/M2 in the bronchoalveolar lavage fluid was determined by flow cytometry. RESULTS Disordered alveolar structure in the lung tissue, thickened alveolar septa, and infiltration of inflammatory cells around the alveolar cavity and pulmonary septa were observed in lipopolysaccharide (LPS)-treated rats. On day 21 post-natal (PN21), the pathological state was aggravated, alveolar simplification was observed, and the expression level of CD68 in the lung tissues was significantly elevated, and these results were dramatically alleviated in the VitA, VitD, and VitA+VitD groups. However, no significant synergistic effect was observed between VitA+VitD and VitA or VitD groups. After the administration with VitA or VitD, IL-10 and Arg-1 were up-regulated on PN10. TNF-α and NOS were up-regulated on PN21. The ratio of macrophage polarization and M2 macrophages increased considerably after the stimulation with LPS, and this result was significantly reversed by VitA or VitD. A significant difference was observed on the effect of different dosages of VitA or VitD on macrophage polarization, among which moderate dosages of VitA or VitD exerted the most significant influence on macrophage polarization. CONCLUSION The BPD-linked pulmonary injury stimulated by LPS can be ameliorated by the introduction of VitA or VitD.
Collapse
Affiliation(s)
- Hong Zhen
- Department of Pediatrics, Langdong Hospital of Guangxi Medical University, No 60 Jinhu Road, Qingxiu district, Nanning city, Guangxi Zhuang Autonomous Region, China.
| | - Hongbo Hu
- Department of Pediatrics, Langdong Hospital of Guangxi Medical University, No 60 Jinhu Road, Qingxiu district, Nanning city, Guangxi Zhuang Autonomous Region, China
| | - Guojie Rong
- Department of Pediatrics, Langdong Hospital of Guangxi Medical University, No 60 Jinhu Road, Qingxiu district, Nanning city, Guangxi Zhuang Autonomous Region, China
| | - Xiuxiu Huang
- Department of Pediatrics, Langdong Hospital of Guangxi Medical University, No 60 Jinhu Road, Qingxiu district, Nanning city, Guangxi Zhuang Autonomous Region, China
| | - Chang Tan
- Department of Pediatrics, Langdong Hospital of Guangxi Medical University, No 60 Jinhu Road, Qingxiu district, Nanning city, Guangxi Zhuang Autonomous Region, China
| | - Xinyuan Yu
- Department of Pediatrics, Langdong Hospital of Guangxi Medical University, No 60 Jinhu Road, Qingxiu district, Nanning city, Guangxi Zhuang Autonomous Region, China
| |
Collapse
|
30
|
Liu Y, Su YY, Yang Q, Zhou T. Stem cells in the treatment of renal fibrosis: a review of preclinical and clinical studies of renal fibrosis pathogenesis. Stem Cell Res Ther 2021; 12:333. [PMID: 34112221 PMCID: PMC8194041 DOI: 10.1186/s13287-021-02391-w] [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] [Subscribe] [Scholar Register] [Received: 02/04/2021] [Accepted: 05/14/2021] [Indexed: 02/05/2023] Open
Abstract
Renal fibrosis commonly leads to glomerulosclerosis and renal interstitial fibrosis and the main pathological basis involves tubular atrophy and the abnormal increase and excessive deposition of extracellular matrix (ECM). Renal fibrosis can progress to chronic kidney disease. Stem cells have multilineage differentiation potential under appropriate conditions and are easy to obtain. At present, there have been some studies showing that stem cells can alleviate the accumulation of ECM and renal fibrosis. However, the sources of stem cells and the types of renal fibrosis or renal fibrosis models used in these studies have differed. In this review, we summarize the pathogenesis (including signaling pathways) of renal fibrosis, and the effect of stem cell therapy on renal fibrosis as described in preclinical and clinical studies. We found that stem cells from various sources have certain effects on improving renal function and alleviating renal fibrosis. However, additional clinical studies should be conducted to confirm this conclusion in the future.
Collapse
Affiliation(s)
- Yiping Liu
- Department of Nephrology, the Second Affiliated Hospital of Shantou University Medical College, No. 69 Dongsha Road, Shantou, 515041, China
| | - Yan-Yan Su
- Department of Nephrology, Huadu District People's Hospital of Guangzhou, Southern Medical University, Guangzhou, China
| | - Qian Yang
- Department of Nephrology, the Second Affiliated Hospital of Shantou University Medical College, No. 69 Dongsha Road, Shantou, 515041, China
| | - Tianbiao Zhou
- Department of Nephrology, the Second Affiliated Hospital of Shantou University Medical College, No. 69 Dongsha Road, Shantou, 515041, China.
| |
Collapse
|
31
|
Ding X, Ren Y, He X. IFN-I Mediates Lupus Nephritis From the Beginning to Renal Fibrosis. Front Immunol 2021; 12:676082. [PMID: 33959133 PMCID: PMC8093624 DOI: 10.3389/fimmu.2021.676082] [Citation(s) in RCA: 38] [Impact Index Per Article: 12.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2021] [Accepted: 04/06/2021] [Indexed: 12/13/2022] Open
Abstract
Lupus nephritis (LN) is a common complication of systemic lupus erythematosus (SLE) and a major risk factor for morbidity and mortality. The abundant cell-free nucleic (DNA/RNA) in SLE patients, especially dsDNA, is a key substance in the pathogenesis of SLE and LN. The deposition of DNA/RNA-immune complexes (DNA/RNA-ICs) in the glomerulus causes a series of inflammatory reactions that lead to resident renal cell disturbance and eventually renal fibrosis. Cell-free DNA/RNA is the most effective inducer of type I interferons (IFN-I). Resident renal cells (rather than infiltrating immune cells) are the main source of IFN-I in the kidney. IFN-I in turn damages resident renal cells. Not only are resident renal cells victims, but also participants in this immunity war. However, the mechanism for generation of IFN-I in resident renal cells and the pathological mechanism of IFN-I promoting renal fibrosis have not been fully elucidated. This paper reviews the latest epidemiology of LN and its development process, discusses the mechanism for generation of IFN-I in resident renal cells and the role of IFN-I in the pathogenesis of LN, and may open a new perspective for the treatment of LN.
Collapse
Affiliation(s)
- Xuewei Ding
- Institute of Pediatrics, The Second Xiangya Hospital, Central South University, Changsha, China.,Laboratory of Pediatric Nephrology, Institute of Pediatrics, The Second Xiangya Hospital, Central South University, Changsha, China
| | - Yi Ren
- Institute of Pediatrics, The Second Xiangya Hospital, Central South University, Changsha, China.,Laboratory of Pediatric Nephrology, Institute of Pediatrics, The Second Xiangya Hospital, Central South University, Changsha, China.,Pediatric Internal Medicine Department, Haikou Maternal and Child Health Hospital, Haikou, China
| | - Xiaojie He
- Institute of Pediatrics, The Second Xiangya Hospital, Central South University, Changsha, China.,Laboratory of Pediatric Nephrology, Institute of Pediatrics, The Second Xiangya Hospital, Central South University, Changsha, China
| |
Collapse
|
32
|
Riew TR, Jin X, Kim S, Kim HL, Lee MY. Temporal dynamics of cells expressing NG2 and platelet-derived growth factor receptor-β in the fibrotic scar formation after 3-nitropropionic acid-induced acute brain injury. Cell Tissue Res 2021; 385:539-555. [PMID: 33864501 DOI: 10.1007/s00441-021-03438-3] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2020] [Accepted: 02/18/2021] [Indexed: 12/22/2022]
Abstract
Neuron-glia antigen 2 (NG2) proteoglycan and platelet-derived growth factor receptor beta (PDGFR-β) are widely used markers of pericytes, which are considered cells that form fibrotic scars in response to central nervous system insults. However, the exact phenotypes of NG2- and PDGFR-β-expressing cells, as well as the origin of the fibrotic scar after central nervous system insults, are still elusive. In the present study, we directly examined the identities and distributions of NG2- and PDGFR-β-positive cells in the control and lesioned striatum injured by the mitochondrial toxin 3-nitropropionic acid. Immunoelectron microscopy and correlative light and electron microscopy clearly distinguished NG2 and PDGFR-β expression in the vasculature during the post-injury period. Vascular smooth muscle cells and pericytes expressed NG2, which was prominently increased after the injury. NG2 expression was restricted to these vascular mural cells until 14 days post-lesion. By contrast, PDGFR-β-positive cells were perivascular fibroblasts located abluminal to smooth muscle cells or pericytes. These PDGFR-β-expressing cells formed extravascular networks associated with collagen fibrils at 14 days post-lesion. We also found that in the injured striatal parenchyma, PDGFR-β could be used as a complementary marker of resting and reactive NG2 glia because activated microglia/macrophages shared only the NG2 expression with NG2 glia in the lesioned striatum. These data indicate that NG2 and PDGFR-β label different vascular mural and parenchymal cells in the healthy and injured brain, suggesting that fibrotic scar-forming cells most likely originate in PDGFR-β-positive perivascular fibroblasts rather than in NG2-positive pericytes.
Collapse
Affiliation(s)
- Tae-Ryong Riew
- Department of Anatomy, Catholic Neuroscience Institute, College of Medicine, The Catholic University of Korea, Seoul, 06591, Republic of Korea
| | - Xuyan Jin
- Department of Anatomy, Catholic Neuroscience Institute, College of Medicine, The Catholic University of Korea, Seoul, 06591, Republic of Korea.,Department of Biomedicine and Health Sciences, College of Medicine, The Catholic University of Korea, Seoul, 06591, Republic of Korea
| | - Soojin Kim
- Department of Anatomy, Catholic Neuroscience Institute, College of Medicine, The Catholic University of Korea, Seoul, 06591, Republic of Korea
| | - Hong Lim Kim
- Integrative Research Support Center, Laboratory of Electron Microscope, College of Medicine, The Catholic University of Korea, Seoul, 06591, Republic of Korea
| | - Mun-Yong Lee
- Department of Anatomy, Catholic Neuroscience Institute, College of Medicine, The Catholic University of Korea, Seoul, 06591, Republic of Korea. .,Department of Biomedicine and Health Sciences, College of Medicine, The Catholic University of Korea, Seoul, 06591, Republic of Korea.
| |
Collapse
|
33
|
Luo M, Chen L, Zheng J, Wang Q, Huang Y, Liao F, Jiang Z, Zhang C, Shen G, Wu J, Wang Y, Wang Y, Leng Y, Han S, Zhang A, Wang Z, Shi C. Mitigation of radiation-induced pulmonary fibrosis by small-molecule dye IR-780. Free Radic Biol Med 2021; 164:417-428. [PMID: 33418112 DOI: 10.1016/j.freeradbiomed.2020.12.435] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/14/2020] [Revised: 12/19/2020] [Accepted: 12/27/2020] [Indexed: 12/21/2022]
Abstract
Radiation-induced pulmonary fibrosis (RIPF) is a common complication during thoracic radiotherapy, but there are few effective treatments. Here, we identify IR-780, a mitochondria-targeted near-infrared (NIR) dye, can selectively accumulate in the irradiated lung tissues. Besides, IR-780 significantly alleviates radiation-induced acute lung injury and fibrosis. Furthermore, our results show that IR-780 prevents the differentiation of fibroblasts and the release of pro-fibrotic factors from alveolar macrophages induced by radiation. Besides, IR-780 downregulates the expression of glycolysis-associated genes, and 2-Deoxy-d-glucose (2-DG) also prevents the development of fibrosis in vitro, suggesting radioprotective effects of IR-780 on RIPF might be related to glycolysis regulation. Finally, IR-780 induces tumour cell apoptosis and enhances radiosensitivity in representative H460 and A549 cell lines. These findings indicate that IR-780 is a potential therapeutic small-molecule dye during thoracic radiotherapy.
Collapse
Affiliation(s)
- Min Luo
- School of Public Health, The Key Laboratory of Environmental Pollution Monitoring and Disease Control, Ministry of Education, Guizhou Medical University, Guiyang, 550025, China; Institute of Rocket Force Medicine, State Key Laboratory of Trauma, Burns and Combined Injury, Third Military Medical University (Army Medical University), 400038, Chongqing, China
| | - Long Chen
- Institute of Rocket Force Medicine, State Key Laboratory of Trauma, Burns and Combined Injury, Third Military Medical University (Army Medical University), 400038, Chongqing, China
| | - Jiancheng Zheng
- Institute of Rocket Force Medicine, State Key Laboratory of Trauma, Burns and Combined Injury, Third Military Medical University (Army Medical University), 400038, Chongqing, China
| | - Qing Wang
- Institute of Rocket Force Medicine, State Key Laboratory of Trauma, Burns and Combined Injury, Third Military Medical University (Army Medical University), 400038, Chongqing, China; Institute of Clinical Medicine, Southwest Medical University, 646000, Luzhou, China
| | - Yu Huang
- School of Public Health, The Key Laboratory of Environmental Pollution Monitoring and Disease Control, Ministry of Education, Guizhou Medical University, Guiyang, 550025, China
| | - Fengying Liao
- Institute of Rocket Force Medicine, State Key Laboratory of Trauma, Burns and Combined Injury, Third Military Medical University (Army Medical University), 400038, Chongqing, China
| | - Zhongyong Jiang
- Institute of Rocket Force Medicine, State Key Laboratory of Trauma, Burns and Combined Injury, Third Military Medical University (Army Medical University), 400038, Chongqing, China
| | - Chi Zhang
- Institute of Rocket Force Medicine, State Key Laboratory of Trauma, Burns and Combined Injury, Third Military Medical University (Army Medical University), 400038, Chongqing, China
| | - Gufang Shen
- Institute of Rocket Force Medicine, State Key Laboratory of Trauma, Burns and Combined Injury, Third Military Medical University (Army Medical University), 400038, Chongqing, China
| | - Jie Wu
- Institute of Rocket Force Medicine, State Key Laboratory of Trauma, Burns and Combined Injury, Third Military Medical University (Army Medical University), 400038, Chongqing, China
| | - Yang Wang
- Institute of Rocket Force Medicine, State Key Laboratory of Trauma, Burns and Combined Injury, Third Military Medical University (Army Medical University), 400038, Chongqing, China
| | - Yawei Wang
- Institute of Rocket Force Medicine, State Key Laboratory of Trauma, Burns and Combined Injury, Third Military Medical University (Army Medical University), 400038, Chongqing, China
| | - Yu Leng
- Department of Ophthalmology, The Third Affiliated Hospital of Chongqing Medical University (Gener Hospital), Chongqing, 401120, China
| | - Shiqian Han
- Institute of Tropical Medicine, Third Military Medical University, Chongqing, 400038, China
| | - Aihua Zhang
- School of Public Health, The Key Laboratory of Environmental Pollution Monitoring and Disease Control, Ministry of Education, Guizhou Medical University, Guiyang, 550025, China
| | - Ziwen Wang
- Institute of Rocket Force Medicine, State Key Laboratory of Trauma, Burns and Combined Injury, Third Military Medical University (Army Medical University), 400038, Chongqing, China; Department of Cardiology, Geriatric Cardiovascular Disease Research and Treatment Center, 252 Hospital of PLA (82nd Group Army Hospital of PLA), 071000, Baoding, Hebei, China.
| | - Chunmeng Shi
- School of Public Health, The Key Laboratory of Environmental Pollution Monitoring and Disease Control, Ministry of Education, Guizhou Medical University, Guiyang, 550025, China; Institute of Rocket Force Medicine, State Key Laboratory of Trauma, Burns and Combined Injury, Third Military Medical University (Army Medical University), 400038, Chongqing, China.
| |
Collapse
|
34
|
Bakker W, Dingenouts CKE, Lodder K, Wiesmeijer KC, de Jong A, Kurakula K, Mager HJJ, Smits AM, de Vries MR, Quax PHA, Goumans MJTH. BMP Receptor Inhibition Enhances Tissue Repair in Endoglin Heterozygous Mice. Int J Mol Sci 2021; 22:2010. [PMID: 33670533 PMCID: PMC7922601 DOI: 10.3390/ijms22042010] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2020] [Revised: 02/02/2021] [Accepted: 02/08/2021] [Indexed: 12/12/2022] Open
Abstract
Hereditary hemorrhagic telangiectasia type 1 (HHT1) is a severe vascular disorder caused by mutations in the TGFβ/BMP co-receptor endoglin. Endoglin haploinsufficiency results in vascular malformations and impaired neoangiogenesis. Furthermore, HHT1 patients display an impaired immune response. To date it is not fully understood how endoglin haploinsufficient immune cells contribute to HHT1 pathology. Therefore, we investigated the immune response during tissue repair in Eng+/- mice, a model for HHT1. Eng+/- mice exhibited prolonged infiltration of macrophages after experimentally induced myocardial infarction. Moreover, there was an increased number of inflammatory M1-like macrophages (Ly6Chigh/CD206-) at the expense of reparative M2-like macrophages (Ly6Clow/CD206+). Interestingly, HHT1 patients also showed an increased number of inflammatory macrophages. In vitro analysis revealed that TGFβ-induced differentiation of Eng+/- monocytes into M2-like macrophages was blunted. Inhibiting BMP signaling by treating monocytes with LDN-193189 normalized their differentiation. Finally, LDN treatment improved heart function after MI and enhanced vascularization in both wild type and Eng+/- mice. The beneficial effect of LDN was also observed in the hind limb ischemia model. While blood flow recovery was hampered in vehicle-treated animals, LDN treatment improved tissue perfusion recovery in Eng+/- mice. In conclusion, BMPR kinase inhibition restored HHT1 macrophage imbalance in vitro and improved tissue repair after ischemic injury in Eng+/- mice.
Collapse
Affiliation(s)
- Wineke Bakker
- Department of Cell and Chemical Biology, Leiden University Medical Center, 2333 ZC Leiden, The Netherlands; (W.B.); (C.K.E.D.); (K.L.); (K.C.W.); (K.K.); (A.M.S.)
| | - Calinda K. E. Dingenouts
- Department of Cell and Chemical Biology, Leiden University Medical Center, 2333 ZC Leiden, The Netherlands; (W.B.); (C.K.E.D.); (K.L.); (K.C.W.); (K.K.); (A.M.S.)
| | - Kirsten Lodder
- Department of Cell and Chemical Biology, Leiden University Medical Center, 2333 ZC Leiden, The Netherlands; (W.B.); (C.K.E.D.); (K.L.); (K.C.W.); (K.K.); (A.M.S.)
| | - Karien C. Wiesmeijer
- Department of Cell and Chemical Biology, Leiden University Medical Center, 2333 ZC Leiden, The Netherlands; (W.B.); (C.K.E.D.); (K.L.); (K.C.W.); (K.K.); (A.M.S.)
| | - Alwin de Jong
- Department of Surgery, Leiden University Medical Center, 2333 ZC Leiden, The Netherlands; (A.d.J.); (M.R.d.V.); (P.H.A.Q.)
| | - Kondababu Kurakula
- Department of Cell and Chemical Biology, Leiden University Medical Center, 2333 ZC Leiden, The Netherlands; (W.B.); (C.K.E.D.); (K.L.); (K.C.W.); (K.K.); (A.M.S.)
| | | | - Anke M. Smits
- Department of Cell and Chemical Biology, Leiden University Medical Center, 2333 ZC Leiden, The Netherlands; (W.B.); (C.K.E.D.); (K.L.); (K.C.W.); (K.K.); (A.M.S.)
| | - Margreet R. de Vries
- Department of Surgery, Leiden University Medical Center, 2333 ZC Leiden, The Netherlands; (A.d.J.); (M.R.d.V.); (P.H.A.Q.)
| | - Paul H. A. Quax
- Department of Surgery, Leiden University Medical Center, 2333 ZC Leiden, The Netherlands; (A.d.J.); (M.R.d.V.); (P.H.A.Q.)
| | - Marie José T. H. Goumans
- Department of Cell and Chemical Biology, Leiden University Medical Center, 2333 ZC Leiden, The Netherlands; (W.B.); (C.K.E.D.); (K.L.); (K.C.W.); (K.K.); (A.M.S.)
| |
Collapse
|
35
|
Liu Y, Dai X, Yang S, Peng Y, Hou F, Zhou Q. High salt aggravates renal inflammation via promoting pro-inflammatory macrophage in 5/6-nephrectomized rat. Life Sci 2021; 274:119109. [PMID: 33513393 DOI: 10.1016/j.lfs.2021.119109] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2020] [Revised: 01/11/2021] [Accepted: 01/17/2021] [Indexed: 12/22/2022]
Abstract
The increasing incident of chronic kidney disease (CKD) in recent years might be related to a change in dietary habits, known as excessive salt intake. Given excessive salt promotes pathogenic T cells responses. Since the importance of macrophage in the development of CKD, we addressed the effect of high salt loading on in a rat CKD model. We observed that 5/6Nx rats receiving a high salt diet showed strongly enhanced macrophage infiltration and activation in the renal tissue accompanied by deteriorated renal inflammation. Then we used the microarray expression profiling to detect the effect of additional Nacl on peritoneal macrophage derived from 5/6Nx. The NaCl treatment of macrophage extracted from 5/6Nx rat elicited a strong pro-inflammatory phenotype characterized by enhanced proinflammatory cytokine production, increased expression of molecules mainly involved in immune response process. This NaCl-induced pro-inflammatory macrophage phenotype was accompanied by increased phosphorylation of STAT1. Taken together, our study demonstrated that high salt intake promotes immune activation of macrophages through the STAT1 independently and exacerbates the kidney accompanied by promotion of inflammation. Thus, changes in diet may provide a novel strategy for the prevention or amelioration of CKD.
Collapse
Affiliation(s)
- Yang Liu
- State Key Laboratory of Organ Failure Research, National Clinical Research Center of Kidney Disease, Division of Nephrology, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Xiaoyan Dai
- State Key Laboratory of Organ Failure Research, National Clinical Research Center of Kidney Disease, Division of Nephrology, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Shaohua Yang
- State Key Laboratory of Organ Failure Research, National Clinical Research Center of Kidney Disease, Division of Nephrology, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Yan Peng
- State Key Laboratory of Organ Failure Research, National Clinical Research Center of Kidney Disease, Division of Nephrology, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Fanfan Hou
- State Key Laboratory of Organ Failure Research, National Clinical Research Center of Kidney Disease, Division of Nephrology, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Qiugen Zhou
- State Key Laboratory of Organ Failure Research, National Clinical Research Center of Kidney Disease, Division of Nephrology, Nanfang Hospital, Southern Medical University, Guangzhou, China.
| |
Collapse
|
36
|
Helissey C, Cavallero S, Brossard C, Dusaud M, Chargari C, François S. Chronic Inflammation and Radiation-Induced Cystitis: Molecular Background and Therapeutic Perspectives. Cells 2020; 10:E21. [PMID: 33374374 PMCID: PMC7823735 DOI: 10.3390/cells10010021] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2020] [Revised: 12/10/2020] [Accepted: 12/22/2020] [Indexed: 12/14/2022] Open
Abstract
Radiation cystitis is a potential complication following the therapeutic irradiation of pelvic cancers. Its clinical management remains unclear, and few preclinical data are available on its underlying pathophysiology. The therapeutic strategy is difficult to establish because few prospective and randomized trials are available. In this review, we report on the clinical presentation and pathophysiology of radiation cystitis. Then we discuss potential therapeutic approaches, with a focus on the immunopathological processes underlying the onset of radiation cystitis, including the fibrotic process. Potential therapeutic avenues for therapeutic modulation will be highlighted, with a focus on the interaction between mesenchymal stromal cells and macrophages for the prevention and treatment of radiation cystitis.
Collapse
Affiliation(s)
- Carole Helissey
- Department of Radiation Biological Effects, French Armed Forces Biomedical Research Institute, 91220 Brétigny-sur-Orge, France; (C.H.); (S.C.); (C.C.)
- Clinical Unit Research, HIA Bégin, 94160 Saint-Mandé, France
| | - Sophie Cavallero
- Department of Radiation Biological Effects, French Armed Forces Biomedical Research Institute, 91220 Brétigny-sur-Orge, France; (C.H.); (S.C.); (C.C.)
| | - Clément Brossard
- Radiobiology of Medical Exposure Laboratory (LRMed), Institute for Radiological Protection and Nuclear Safety (IRSN), 92260 Fontenay-aux-Roses, France;
| | - Marie Dusaud
- Department of Urology, HIA Bégin, 94160 Saint-Mand, France;
| | - Cyrus Chargari
- Department of Radiation Biological Effects, French Armed Forces Biomedical Research Institute, 91220 Brétigny-sur-Orge, France; (C.H.); (S.C.); (C.C.)
- Gustave Roussy Comprehensive Cancer Center, Department of Radiation Oncology, 94805 Villejuif, France
- French Military Health Academy, Ecole du Val-de-Grâce (EVDG), 75005 Paris, France
| | - Sabine François
- Department of Radiation Biological Effects, French Armed Forces Biomedical Research Institute, 91220 Brétigny-sur-Orge, France; (C.H.); (S.C.); (C.C.)
| |
Collapse
|
37
|
Shen Y, Feng F, Sun H, Li G, Xiang Z. Quantitative and network pharmacology: A case study of rhein alleviating pathological progress of renal interstitial fibrosis. JOURNAL OF ETHNOPHARMACOLOGY 2020; 261:113106. [PMID: 32553981 DOI: 10.1016/j.jep.2020.113106] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/12/2020] [Revised: 06/06/2020] [Accepted: 06/08/2020] [Indexed: 06/11/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE The current network pharmacology model focuses mainly on static and qualitative characterisation between drugs and targets or molecular pathway networks, but it does not reflect the multi-scale, dynamic and quantitative process of drug action. AIM OF THE STUDY In this study, we developed a new model known as quantitative and network pharmacology (QNP) to characterise the dynamic and quantitative interventions of drugs within a multi-scale biological network. MATERIALS AND METHODS Firstly, we used a systems biology method to construct a molecule-cell dynamic network model to simulate the pathological processes of diseases. Secondly, according to the principles of enzymatic kinetics, we generated a multi-scale drug intervention model to simulate the intervention of drugs in multi-scale networks at different concentrations and pathological stages. Finally, we took rhein treatment of renal interstitial fibrosis (RIF) as an example to illustrate the QNP model. RESULTS We successfully constructed the a QNP model that includes both a multi-scale dynamic network disease model and drug intervention model. The QNP model accurately simulated the pathological process of RIF, and the simulation results were validated by a series of cell and animal experiments. Meanwhile, the QNP model demonstrated that rhein can delay the pathological process at the studied concentrations of 5 nM, 10 nM, and 20 nM, and can also exert a better therapeutic effect on fibrosis before the proliferation stage of RIF. Furthermore, through uncertainty and sensitivity analysis, we identified that FAK and Smad3 may be potential targets for RIF. CONCLUSION Our QNP model provides a molecular-cellular understanding of the pathological mechanisms of RIF, serving as a new approach and strategy for the construction of dynamic multi-scale network model of diseases and drug intervention.
Collapse
Affiliation(s)
- Yiting Shen
- School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, 325035, China; Pharmaceutical Department, Ningbo Women & Children's Hospital, Ningbo, 315012, Zhejiang, China.
| | - Feng Feng
- School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, 325035, China.
| | - Hao Sun
- School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, 325035, China; Pharmacy Department, Women's Hospital, Zhejiang University School of Medicine, Hangzhou, 310006, Zhejiang, China.
| | - Guowei Li
- School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, 325035, China.
| | - Zheng Xiang
- School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, 325035, China.
| |
Collapse
|
38
|
Two identified subsets of CD8 T cells in obstructed kidneys play different roles in inflammation and fibrosis. Aging (Albany NY) 2020; 12:17528-17540. [PMID: 32921633 PMCID: PMC7521502 DOI: 10.18632/aging.103764] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2020] [Accepted: 07/07/2020] [Indexed: 01/24/2023]
Abstract
Inflammation plays a crucial role in initiating renal fibrosis after injury. The infiltration of inflammatory cells, such as CD4+ T cells and macrophages, contributes to renal fibrosis following ureteric obstruction. However, the function of CD8+ T cells in obstructed kidneys remains unclear. Although CD8+ T cell depletion intensifies renal fibrosis by decreasing IFN-γ and increasing IL-4 in the kidneys, the change and role of CD8 T cell populations following environmental changes during renal fibrosis are largely unknown. Here, we identified two CD8 T cell subsets in mouse obstructed kidneys with unilateral ureteric obstruction and revealed their different functions in building an inflammatory or profibrotic environment. Following renal fibrosis, the phenotypes of infiltrated CD8 T cells were mainly Tc1 (CD44+CD25-CD62L-) at the early inflammation stage and then changed to Tc2 (CD44+CD25highCD62Llow). Tc1 and Tc2 secreted IFN-γ, contributing to the decrease in the Th2-induced over-polarization of M2 macrophages and fibrosis. Moreover, Tc2 secreted pro- and anti-inflammation factors and decreased the inflammatory responses of other cells to control inflammation and fibrosis. This work and our previous study showed that CD8 T cells could balance out inflammation by controlling its level in renal fibrosis.
Collapse
|
39
|
Jin H, Yoo Y, Kim Y, Kim Y, Cho J, Lee YS. Radiation-Induced Lung Fibrosis: Preclinical Animal Models and Therapeutic Strategies. Cancers (Basel) 2020; 12:cancers12061561. [PMID: 32545674 PMCID: PMC7352529 DOI: 10.3390/cancers12061561] [Citation(s) in RCA: 56] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2020] [Revised: 06/02/2020] [Accepted: 06/10/2020] [Indexed: 01/27/2023] Open
Abstract
Radiation-induced lung injury (RILI), including acute radiation pneumonitis and chronic radiation-induced lung fibrosis, is the most common side effect of radiation therapy. RILI is a complicated process that causes the accumulation, proliferation, and differentiation of fibroblasts and, finally, results in excessive extracellular matrix deposition. Currently, there are no approved treatment options for patients with radiation-induced pulmonary fibrosis (RIPF) partly due to the absence of effective targets. Current research advances include the development of small animal models reflecting modern radiotherapy, an understanding of the molecular basis of RIPF, and the identification of candidate drugs for prevention and treatment. Insights provided by this research have resulted in increased interest in disease progression and prognosis, the development of novel anti-fibrotic agents, and a more targeted approach to the treatment of RIPF.
Collapse
Affiliation(s)
- Hee Jin
- Graduate School of Pharmaceutical Sciences and College of Pharmacy, Ewha Womans University, Seoul 03760, Korea; (H.J.); (Y.Y.); (Y.K.); (Y.K.)
| | - Youngjo Yoo
- Graduate School of Pharmaceutical Sciences and College of Pharmacy, Ewha Womans University, Seoul 03760, Korea; (H.J.); (Y.Y.); (Y.K.); (Y.K.)
| | - Younghwa Kim
- Graduate School of Pharmaceutical Sciences and College of Pharmacy, Ewha Womans University, Seoul 03760, Korea; (H.J.); (Y.Y.); (Y.K.); (Y.K.)
| | - Yeijin Kim
- Graduate School of Pharmaceutical Sciences and College of Pharmacy, Ewha Womans University, Seoul 03760, Korea; (H.J.); (Y.Y.); (Y.K.); (Y.K.)
| | - Jaeho Cho
- Department of Radiation Oncology, Yonsei University Health System, Seoul 03722, Korea
- Correspondence: (J.C.); (Y.-S.L.); Tel.: +82-2-2228-8113 (J.C.); +82-2-3277-3022 (Y.-S.L.); Fax: +82-2-3277-3051 (Y.-S.L.)
| | - Yun-Sil Lee
- Graduate School of Pharmaceutical Sciences and College of Pharmacy, Ewha Womans University, Seoul 03760, Korea; (H.J.); (Y.Y.); (Y.K.); (Y.K.)
- Correspondence: (J.C.); (Y.-S.L.); Tel.: +82-2-2228-8113 (J.C.); +82-2-3277-3022 (Y.-S.L.); Fax: +82-2-3277-3051 (Y.-S.L.)
| |
Collapse
|
40
|
Park HR, Jo SK, Jung U. Ionizing Radiation Promotes Epithelial-to-Mesenchymal Transition in Lung Epithelial Cells by TGF-β-producing M2 Macrophages. In Vivo 2020; 33:1773-1784. [PMID: 31662502 DOI: 10.21873/invivo.11668] [Citation(s) in RCA: 30] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2019] [Revised: 08/01/2019] [Accepted: 08/02/2019] [Indexed: 12/13/2022]
Abstract
BACKGROUND/AIM Ionizing radiation induces pulmonary fibrosis, which is a common dose-limiting complication in patients receiving radiotherapy. Fibrosis occurs through the accumulation of large amounts of ECM components, synthesized by myofibroblasts in damaged lung tissue. Epithelial cells serve as one of the cellular sources of myofibroblasts via the epithelial-to-mesenchymal transition (EMT) process. In this study, we investigated the role of TGF-β-secreting M2 macrophages in association with ionizing radiation-induced EMT. MATERIALS AND METHODS The lung epithelial cell line MLE12, was irradiated and the expression of EMT markers and chemokines was examined. Moreover, the mouse lung macrophage MH-S cell line was cultured with conditioned media from irradiated MLE12 cells, to examine the effects of the secreted factors on the migration ability of macrophages. For the murine pulmonary fibrosis model, mice were locally irradiated and the levels of M1 or M2 macrophage-related markers and cytokines were measured in bronchoalvelolar lavage (BAL) fluid and lung tissue. RESULTS In MLE12 cells, irradiation directly induced expression of EMT-related markers and secretion of various chemokines, which lead to macrophage migration. Interestingly, the sub-population of macrophages recruited in the lung of mice after thoracic irradiation was M2 macrophages that expressed Arg-1 and CD206. M2 macrophages induced the MLE12 to undergo phenotypic conversion to form fibroblast-like cells, which leads to a down-regulation of epithelial markers and an up-regulation of new EMT-related markers. In thoracic irradiated mice, pro-inflammatory cytokines such as IL-1β, IL-4 and IL-10 were increased at 2 weeks, but returned to normal levels from 16 weeks or 24 weeks after irradiation. However, thoracic irradiation led to a rapid increase of TGF-β and IGF-1 levels, which lasted up to 24 weeks. It was confirmed that M2 macrophages secreted the high levels of TGF-β. Moreover, the elimination of TGF-β from M2 macrophages attenuated mesenchymal transition of MLE12. CONCLUSION TGF-β-secreting M2 macrophages play an important regulatory role in mesenchymal transition of epithelial cells in the lung of irradiated mice, thus contributing to radiation-induced pulmonary fibrosis.
Collapse
Affiliation(s)
- Hae-Ran Park
- Radiation Division for Biotechnology, Advanced Radiation Technology Institute, Korea Atomic Energy Research Institute (KAERI), Jeongeup, Republic of Korea
| | - Sung-Kee Jo
- Radiation Division for Biotechnology, Advanced Radiation Technology Institute, Korea Atomic Energy Research Institute (KAERI), Jeongeup, Republic of Korea
| | - Uhee Jung
- Radiation Division for Biotechnology, Advanced Radiation Technology Institute, Korea Atomic Energy Research Institute (KAERI), Jeongeup, Republic of Korea
| |
Collapse
|
41
|
Schreurs I, Meek B, van Moorsel C, van Kessel D, Luijk H, Grutters J. Monocyte derived macrophages from lung transplantation patients have an increased M2 profile. TRANSPLANTATION REPORTS 2020. [DOI: 10.1016/j.tpr.2019.100038] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022] Open
|
42
|
Choi JS, Huh BK, Lee SJ, Han MJ, Eom MR, Ahn HJ, Jin YJ, Park SA, Choy YB, Kwon SK. Tranilast-loaded tubular scaffold and surgical suture for suppression of stenosis after tracheal prosthesis transplantation. J IND ENG CHEM 2020. [DOI: 10.1016/j.jiec.2019.09.045] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
|
43
|
Neutrophils, monocytes and other immune components in the equine endometrium: Friends or foes? Theriogenology 2020; 150:150-157. [PMID: 31973963 DOI: 10.1016/j.theriogenology.2020.01.018] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2020] [Accepted: 01/11/2020] [Indexed: 02/06/2023]
Abstract
The innate and adaptive immune mechanisms are key components of regulation of reproductive physiological function and uterine disorders in equine uterus. The predominant immunological response in equine endometrium, characterized by an innate immune response, occurs under estrogens influence, in the follicular phase. Although, the increase in immune-related genes in equine endometrium during estrus has been suggested to play a role in uterine clearance after mating, immune cells and their product, i.e. cytokines play also mandatory role in the luteal development and maintenance, regression of equine corpus luteum, as well as in early pregnancy. Innate immune response is nonspecific and acts as the first line of defense against pathogens, foreign stimuli that include constituents of seminal fluid and local infections (endometritis). It has been recently established that a phagocytosis-independent mechanism to restrain bacteria, by means of neutrophil extracellular traps (NETs) formation, is involved in pathogenesis of in mare endometrial fibrosis (endometrosis). Moreover, persistent macrophages and mast cell activation could also have pro-fibrotic roles by secreting great amounts of pro-fibrotic factors and lead to fibrosis. This review will highlight the involvement of immune key components of the innate and adaptive immune system and their products in equine uterus and their contribution to reproductive physiological function and uterine disorders.
Collapse
|
44
|
Xue C, Mei CL. Polycystic Kidney Disease and Renal Fibrosis. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2019; 1165:81-100. [PMID: 31399962 DOI: 10.1007/978-981-13-8871-2_5] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Polycystic kidney disease (PKD) is a common genetic disorder characterized by formations of numerous cysts in kidneys and most caused by PKD1 or PKD2 mutations in autosomal dominant polycystic kidney disease (ADPKD). The interstitial inflammation and fibrosis is one of the major pathological changes in polycystic kidney tissues with an accumulation of inflammatory cells, chemokines, and cytokines. The immune response is observed across different stages and occurs prior to or coincident with cyst formation in ADPKD. Evidence for inflammation as an important contributor to cyst growth and fibrosis includes increased interstitial macrophages, upregulated expressions of pro-inflammatory cytokines, activated complement system, and activated pathways including NF-κB and JAK-STAT signaling in polycystic kidney tissues. Inflammatory cells are responsible for overproduction of several pro-fibrotic growth factors which promote renal fibrosis in ADPKD. These growth factors trigger epithelial mesenchymal transition and myofibroblast/fibrocyte activation, which stimulate the expansion of extracellular matrix (ECM) including collagen I, III, IV, V, and fibronectin, leading to renal fibrosis and reduced renal function. Besides, there are imbalanced ECM turnover regulators which lead to the increased ECM production and inadequate degradation in polycystic kidney tissues. Several fibrosis associated signaling pathways, such as TGFβ-SMAD, Wnt, and periostin-integrin-linked kinase are also activated in polycystic kidney tissues. Although the effective anti-fibrotic treatments are limited at the present time, slowing the cyst expansion and fibrosis development is very important for prolonging life span and improving the palliative care of ADPKD patients. The inhibition of pro-fibrotic cytokines involved in fibrosis might be a new therapeutic strategy for ADPKD in the future.
Collapse
Affiliation(s)
- Cheng Xue
- Division of Nephrology, Kidney Institute of PLA, Changzheng Hospital, Second Military Medical University, Shanghai, China
| | - Chang-Lin Mei
- Division of Nephrology, Kidney Institute of PLA, Changzheng Hospital, Second Military Medical University, Shanghai, China.
| |
Collapse
|
45
|
Baek JH. The Impact of Versatile Macrophage Functions on Acute Kidney Injury and Its Outcomes. Front Physiol 2019; 10:1016. [PMID: 31447703 PMCID: PMC6691123 DOI: 10.3389/fphys.2019.01016] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2019] [Accepted: 07/23/2019] [Indexed: 12/18/2022] Open
Abstract
Acute kidney injury (AKI) is a common and devastating clinical condition with a high morbidity and mortality rate and is associated with a rapid decline of kidney function mostly resulting from the injury of proximal tubules. AKI is typically accompanied by inflammation and immune activation and involves macrophages (Mϕ) from the beginning: The inflamed kidney recruits “classically” activated (M1) Mϕ, which are initially poised to destroy potential pathogens, exacerbating inflammation. Of note, they soon turn into “alternatively” activated (M2) Mϕ and promote immunosuppression and tissue regeneration. Based on their roles in kidney recovery, there is a growing interest to use M2 Mϕ and Mϕ-modulating agents therapeutically against AKI. However, it is pertinent to note that the clinical translation of Mϕ-based therapies needs to be critically reviewed and questioned since Mϕ are functionally plastic with versatile roles in AKI and some Mϕ functions are detrimental to the kidney during AKI. In this review, we discuss the current state of knowledge on the biology of different Mϕ subtypes during AKI and, especially, on their role in AKI and assess the impact of versatile Mϕ functions on AKI based on the findings from translational AKI studies.
Collapse
Affiliation(s)
- Jea-Hyun Baek
- Research & Early Development, Biogen Inc., Cambridge, MA, United States
| |
Collapse
|
46
|
Nephropathy in Hypertensive Animals Is Linked to M2 Macrophages and Increased Expression of the YM1/Chi3l3 Protein. Mediators Inflamm 2019; 2019:9086758. [PMID: 31360120 PMCID: PMC6652056 DOI: 10.1155/2019/9086758] [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: 02/06/2019] [Revised: 06/03/2019] [Accepted: 06/16/2019] [Indexed: 12/21/2022] Open
Abstract
Macrophages contribute to a continuous increase in blood pressure and kidney damage in hypertension, but their polarization status and the underlying mechanisms have not been clarified. This study revealed an important role for M2 macrophages and the YM1/Chi3l3 protein in hypertensive nephropathy in a mouse model of hypertension. Bone marrow cells were isolated from the femurs and tibia of male FVB/N (control) and transgenic hypertensive animals that overexpressed the rat form of angiotensinogen (TGM(rAOGEN)123, TGM123-FVB/N). The cells were treated with murine M-CSF and subsequently with LPS+IFN-γ to promote their polarization into M1 macrophages and IL-4+IL-13 to trigger the M2 phenotype. We examined the kidneys of TGM123-FVB/N animals to assess macrophage polarization and end-organ damage. mRNA expression was evaluated using real-time PCR, and protein levels were assessed through ELISA, CBA, Western blot, and immunofluorescence. Histology confirmed high levels of renal collagen. Cells stimulated with LPS+IFN-γ in vitro showed no significant difference in the expression of CD86, an M1 marker, compared to cells from the controls or the hypertensive mice. When stimulated with IL-4+IL-13, however, macrophages of the hypertensive group showed a significant increase in CD206 expression, an M2 marker. The M2/M1 ratio reached 288%. Our results indicate that when stimulated in vitro, macrophages from hypertensive mice are predisposed toward polarization to an M2 phenotype. These data support results from the kidneys where we found an increased infiltration of macrophages predominantly polarized to M2 associated with high levels of YM1/Chi3l3 (91,89%), suggesting that YM1/Chi3l3 may be a biomarker of hypertensive nephropathy.
Collapse
|
47
|
Yang Q, Wang Y, Pei G, Deng X, Jiang H, Wu J, Zhou C, Guo Y, Yao Y, Zeng R, Xu G. Bone marrow-derived Ly6C - macrophages promote ischemia-induced chronic kidney disease. Cell Death Dis 2019; 10:291. [PMID: 30926787 PMCID: PMC6440948 DOI: 10.1038/s41419-019-1531-3] [Citation(s) in RCA: 42] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2019] [Revised: 03/11/2019] [Accepted: 03/13/2019] [Indexed: 12/23/2022]
Abstract
Macrophages play an important role in renal injury and repair after acute kidney injury (AKI) and the subsequent chronic kidney disease (CKD) that often results. However, as macrophages have a high degree of plasticity and heterogeneity, the function(s) of macrophage subtypes in AKI-to-CKD progression are not fully understood. Here, we focused on Ly6C− macrophages, which are derived from the embryonic yolk sac and post-development become resident in the kidneys. We found that C–C chemokine receptor type 2 (CCR2) deficiency, which blocks the migration of Ly6C+ macrophages from the bone marrow to the sites of injury, alleviated ischemia-induced AKI in mice. Unexpectedly, though, CCR2 deficiency worsened the subsequent renal fibrosis, which was marked by notable intra-renal infiltration of Ly6C− macrophages. These Ly6C− macrophages were greater in number in both the acute and chronic phases after ischemia reperfusion (I/R) in kidneys of wild type (WT) mice, and we showed them to be derived from the bone marrow by bone marrow chimerism. Clodronate Liposomes (CLs)-mediated depletion of renal Ly6C− macrophages in CCR2−/− mice or in WT mice after I/R alleviated the renal injury and fibrosis. On the contrary, adoptive transfer of Ly6C− macrophages from injured kidneys of WT mice into immune-deficient mice was sufficient to induce renal injury and fibrosis. Transcriptome sequencing of Ly6C− macrophages from injured kidneys revealed that they secreted various cytokines and growth factors, which were associated with the transdifferentiation of fibroblasts into myofibroblasts. This transdifferentiation effect was further supported by in vitro studies showing that Ly6C− macrophages induced the secretion of extracellular matrix proteins from co-cultured fibroblasts. In conclusion, the presence of bone marrow-derived Ly6C− macrophages after ischemia induces AKI and worsens subsequent CKD.
Collapse
Affiliation(s)
- Qian Yang
- Division of Nephrology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, No. 1095 Jiefang Ave, Wuhan, 430030, Hubei, China
| | - Yuxi Wang
- Division of Nephrology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, No. 1095 Jiefang Ave, Wuhan, 430030, Hubei, China
| | - Guangchang Pei
- Division of Nephrology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, No. 1095 Jiefang Ave, Wuhan, 430030, Hubei, China
| | - Xuan Deng
- Division of Nephrology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, No. 1095 Jiefang Ave, Wuhan, 430030, Hubei, China
| | - Hongyang Jiang
- Division of Urology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, No. 1095 Jiefang Ave, Wuhan, 430030, Hubei, China
| | - Jianliang Wu
- Division of Nephrology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, No. 1095 Jiefang Ave, Wuhan, 430030, Hubei, China
| | - Cheng Zhou
- Division of Nephrology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, No. 1095 Jiefang Ave, Wuhan, 430030, Hubei, China
| | - Yi Guo
- Division of Nephrology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, No. 1095 Jiefang Ave, Wuhan, 430030, Hubei, China
| | - Ying Yao
- Division of Nephrology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, No. 1095 Jiefang Ave, Wuhan, 430030, Hubei, China
| | - Rui Zeng
- Division of Nephrology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, No. 1095 Jiefang Ave, Wuhan, 430030, Hubei, China.
| | - Gang Xu
- Division of Nephrology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, No. 1095 Jiefang Ave, Wuhan, 430030, Hubei, China.
| |
Collapse
|
48
|
Mao R, Kurada S, Gordon IO, Baker ME, Gandhi N, McDonald C, Coffey JC, Rieder F. The Mesenteric Fat and Intestinal Muscle Interface: Creeping Fat Influencing Stricture Formation in Crohn's Disease. Inflamm Bowel Dis 2019; 25:421-426. [PMID: 30346528 DOI: 10.1093/ibd/izy331] [Citation(s) in RCA: 134] [Impact Index Per Article: 26.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/29/2018] [Indexed: 12/12/2022]
Abstract
Adipose tissue is present in close proximity to various organs in the human body. One prominent example is fat contained in the mesentery that is contiguous with all abdominal digestive organs including the intestine. Despite the fact that mesenteric fat-wrapping around the inflamed gut (so called "creeping fat") was described as a characteristic feature of Crohn's disease (CD) in the early 1930s, the functional implications of creeping fat have received only recent attention. As a potent producer of fatty acids, cytokines, growth factors, and adipokines, creeping fat plays an important role in regulation of immunity and inflammation. Increasing evidence points to a link between creeping fat and intestinal inflammation in CD, where histopathologic evaluation shows a significant association between creeping fat and connective tissue changes in the bowel wall, such as muscular hypertrophy, fibrosis, and stricture formation. In addition, emerging mechanistic data indicate a link between creeping fat, muscularis propria hyperplasia, and stricturing disease. Information on fat-mesenchymal interactions in other organs could provide clues to fill the fundamental knowledge gap on the role of distinct components of creeping fat in intestinal fibrosis and stricture formation. Future studies will provide important new information that in turn could lead to novel therapeutic agents aimed at prevention or treatment of CD-associated fibrosis and stricture formation.
Collapse
Affiliation(s)
- Ren Mao
- Department of Gastroenterology and Hepatology, The First Affiliated Hospital of Sun Yat-sen University, China.,Department of Gastroenterology, Hepatology and Nutrition, Digestive Diseases and Surgery Institute.,Department of Inflammation and Immunity, Lerner Research Institute
| | - Satya Kurada
- Department of Gastroenterology, Hepatology and Nutrition, Digestive Diseases and Surgery Institute.,Department of Inflammation and Immunity, Lerner Research Institute
| | - Ilyssa O Gordon
- Department of Pathology, Robert J. Tomsich Pathology & Laboratory Medicine Institute
| | - Mark E Baker
- Department of Gastroenterology, Hepatology and Nutrition, Digestive Diseases and Surgery Institute.,Section of Abdominal Imaging, Imaging Institute, The Cleveland Clinic Foundation, Cleveland, Ohio
| | - Namita Gandhi
- Section of Abdominal Imaging, Imaging Institute, The Cleveland Clinic Foundation, Cleveland, Ohio
| | | | - J Calvin Coffey
- Department of Surgery, Graduate Entry Medical School, University Hospital Limerick Group, Centre for Interventions in Infection, Inflammation and Immunity, University of Limerick, Limerick, Ireland
| | - Florian Rieder
- Department of Gastroenterology, Hepatology and Nutrition, Digestive Diseases and Surgery Institute.,Department of Inflammation and Immunity, Lerner Research Institute
| |
Collapse
|
49
|
Tubulointerstitial Infiltration of M2 Macrophages in Henoch-Schönlein Purpura Nephritis Indicates the Presence of Glomerular Crescents and Bad Clinical Parameters. BIOMED RESEARCH INTERNATIONAL 2019; 2019:8579619. [PMID: 30800680 PMCID: PMC6360621 DOI: 10.1155/2019/8579619] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/05/2018] [Accepted: 01/03/2019] [Indexed: 01/20/2023]
Abstract
Henoch-Schönlein purpura (HSP) is the most common systemic vasculitis in children, and renal involvement (HSP nephritis, HSPN) is a severe manifestation. HSPN is histologically classified by the International Study of Kidney Disease in Children (ISKDC) based on mesangial hypercellularity and the extent of glomerular crescents. Macrophages, categorized as M1 or M2, frequently infiltrate in various glomerular and tubulointerstitial diseases and infiltration of specific subtypes is associated with disease progression. Therefore, to identify whether infiltration of M1 or M2 macrophages has clinical significance, we quantified the subtypes of macrophages in 49 HSPN specimens and correlated the counts with histologic features and clinical parameters. Higher tubulointerstitial M2 counts were associated with chronic renal failure (CRF), ISKDC classes III-IV, and crescents (P<0.001, 0.002, 0.001). Glomerular M2 counts were significantly related to ISKDC classes III-IV and crescents (area under curve, AUC 0.804, 0.833). Tubulointerstitial M2 counts were associated with CRF, ISKDC classes III-IV, and crescents (AUC 0.872, 0.778, 0.830). Tubulointerstitial M2 counts also revealed higher AUC than tubulointerstitial M1 counts for CRF (P=0.036) and ISKDC classes III-IV (P=0.047). Glomerular M2 counts revealed higher AUC than glomerular M1 counts for ISKDC classes III–IV (P=0.024). Tubulointerstitial M2 counts were the most powerful parameter for CRF (AUC 0.872) and revealed even higher AUC than ISKDC classification (AUC 0.716) with borderline significance (P=0.086) for CRF. In summary, tubulointerstitial M2 counts were a superior parameter to tubulointerstitial M1 counts and even to ISKDC classification indicating the presence of CRF.
Collapse
|
50
|
Meng XM. Inflammatory Mediators and Renal Fibrosis. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2019; 1165:381-406. [PMID: 31399975 DOI: 10.1007/978-981-13-8871-2_18] [Citation(s) in RCA: 68] [Impact Index Per Article: 13.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Renal inflammation is the initial, healthy response to renal injury. However, prolonged inflammation promotes the fibrosis process, which leads to chronic pathology and eventually end-stage kidney disease. There are two major sources of inflammatory cells: first, bone marrow-derived leukocytes that include neutrophils, macrophages, fibrocytes and mast cells, and second, locally activated kidney cells such as mesangial cells, podocytes, tubular epithelial cells, endothelial cells and fibroblasts. These activated cells produce many profibrotic cytokines and growth factors that cause accumulation and activation of myofibroblasts, and enhance the production of the extracellular matrix. In particular, activated macrophages are key mediators that drive acute inflammation into chronic kidney disease. They produce large amounts of profibrotic factors and modify the microenvironment via a paracrine effect, and they also transdifferentiate to myofibroblasts directly, although the origin of myofibroblasts in the fibrosing kidney remains controversial. Collectively, understanding inflammatory cell functions and mechanisms during renal fibrosis is paramount to improving diagnosis and treatment of chronic kidney disease.
Collapse
Affiliation(s)
- Xiao-Ming Meng
- School of Pharmacy, Anhui Medical University, Hefei, Anhui, China.
| |
Collapse
|