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Wei Y, Mou S, Yang Q, Liu F, Cooper ME, Chai Z. To target cellular senescence in diabetic kidney disease: the known and the unknown. Clin Sci (Lond) 2024; 138:991-1007. [PMID: 39139135 PMCID: PMC11327223 DOI: 10.1042/cs20240717] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2024] [Revised: 07/07/2024] [Accepted: 07/29/2024] [Indexed: 08/15/2024]
Abstract
Cellular senescence represents a condition of irreversible cell cycle arrest, characterized by heightened senescence-associated beta-galactosidase (SA-β-Gal) activity, senescence-associated secretory phenotype (SASP), and activation of the DNA damage response (DDR). Diabetic kidney disease (DKD) is a significant contributor to end-stage renal disease (ESRD) globally, with ongoing unmet needs in terms of current treatments. The role of senescence in the pathogenesis of DKD has attracted substantial attention with evidence of premature senescence in this condition. The process of cellular senescence in DKD appears to be associated with mitochondrial redox pathways, autophagy, and endoplasmic reticulum (ER) stress. Increasing accumulation of senescent cells in the diabetic kidney not only leads to an impaired capacity for repair of renal injury, but also the secretion of pro-inflammatory and profibrotic cytokines and growth factors causing inflammation and fibrosis. Current treatments for diabetes exhibit varying degrees of renoprotection, potentially via mitigation of senescence in the diabetic kidney. Targeting senescent cell clearance through pharmaceutical interventions could emerge as a promising strategy for preventing and treating DKD. In this paper, we review the current understanding of senescence in DKD and summarize the possible therapeutic interventions relevant to senescence in this field.
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Affiliation(s)
- Yuehan Wei
- Department of Diabetes, School of Translational Medicine, Monash University, Melbourne, Australia
- Department of Nephrology, Molecular Cell Laboratory for Kidney Disease, Shanghai Peritoneal Dialysis Research Center, Ren Ji Hospital, Uremia Diagnosis and Treatment Center, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Shan Mou
- Department of Nephrology, Molecular Cell Laboratory for Kidney Disease, Shanghai Peritoneal Dialysis Research Center, Ren Ji Hospital, Uremia Diagnosis and Treatment Center, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Qing Yang
- Department of Nephrology, Laboratory of Diabetic Kidney Disease, Kidney Research Institute, West China Hospital, Sichuan University, Chengdu, China
| | - Fang Liu
- Department of Nephrology, Laboratory of Diabetic Kidney Disease, Kidney Research Institute, West China Hospital, Sichuan University, Chengdu, China
| | - Mark E Cooper
- Department of Diabetes, School of Translational Medicine, Monash University, Melbourne, Australia
| | - Zhonglin Chai
- Department of Diabetes, School of Translational Medicine, Monash University, Melbourne, Australia
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Tsuji K, Nakanoh H, Fukushima K, Kitamura S, Wada J. MicroRNAs as Biomarkers and Therapeutic Targets for Acute Kidney Injury. Diagnostics (Basel) 2023; 13:2893. [PMID: 37761260 PMCID: PMC10529274 DOI: 10.3390/diagnostics13182893] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2023] [Revised: 09/04/2023] [Accepted: 09/08/2023] [Indexed: 09/29/2023] Open
Abstract
Acute kidney injury (AKI) is a clinical syndrome where a rapid decrease in kidney function and/or urine output is observed, which may result in the imbalance of water, electrolytes and acid base. It is associated with poor prognosis and prolonged hospitalization. Therefore, an early diagnosis and treatment to avoid the severe AKI stage are important. While several biomarkers, such as urinary L-FABP and NGAL, can be clinically useful, there is still no gold standard for the early detection of AKI and there are limited therapeutic options against AKI. miRNAs are non-coding and single-stranded RNAs that silence their target genes in the post-transcriptional process and are involved in a wide range of biological processes. Recent accumulated evidence has revealed that miRNAs may be potential biomarkers and therapeutic targets for AKI. In this review article, we summarize the current knowledge about miRNAs as promising biomarkers and potential therapeutic targets for AKI, as well as the challenges in their clinical use.
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Affiliation(s)
- Kenji Tsuji
- Department of Nephrology, Rheumatology, Endocrinology and Metabolism, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama 700-8558, Japan
| | - Hiroyuki Nakanoh
- Department of Nephrology, Rheumatology, Endocrinology and Metabolism, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama 700-8558, Japan
| | - Kazuhiko Fukushima
- Department of Nephrology, Rheumatology, Endocrinology and Metabolism, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama 700-8558, Japan
- Program in Membrane Biology, Center for Systems Biology, Department of Medicine, Division of Nephrology, Massachusetts General Hospital, Harvard Medical School, Boston, MA 02114, USA
| | - Shinji Kitamura
- Department of Nephrology, Rheumatology, Endocrinology and Metabolism, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama 700-8558, Japan
- Department of Nursing Science, Faculty of Health and Welfare Science, Okayama Prefectural University, Okayama 719-1197, Japan
| | - Jun Wada
- Department of Nephrology, Rheumatology, Endocrinology and Metabolism, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama 700-8558, Japan
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MacLaughlin KJ, Barton GP, Braun RK, MacLaughlin JE, Lamers JJ, Marcou MD, Eldridge MW. Hyperbaric air mobilizes stem cells in humans; a new perspective on the hormetic dose curve. Front Neurol 2023; 14:1192793. [PMID: 37409020 PMCID: PMC10318163 DOI: 10.3389/fneur.2023.1192793] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2023] [Accepted: 05/11/2023] [Indexed: 07/07/2023] Open
Abstract
Introduction Hyperbaric air (HBA) was first used pharmaceutically in 1662 to treat lung disease. Extensive use in Europe and North America followed throughout the 19th century to treat pulmonary and neurological disorders. HBA reached its zenith in the early 20th century when cyanotic, moribund "Spanish flu pandemic" patients turned normal color and regained consciousness within minutes after HBA treatment. Since that time the 78% Nitrogen fraction in HBA has been completely displaced by 100% oxygen to create the modern pharmaceutical hyperbaric oxygen therapy (HBOT), a powerful treatment that is FDA approved for multiple indications. Current belief purports oxygen as the active element mobilizing stem progenitor cells (SPCs) in HBOT, but hyperbaric air, which increases tensions of both oxygen and nitrogen, has been untested until now. In this study we test HBA for SPC mobilization, cytokine and chemokine expression, and complete blood count. Methods Ten 34-35-year-old healthy volunteers were exposed to 1.27ATA (4 psig/965 mmHg) room air for 90 min, M-F, for 10 exposures over 2-weeks. Venous blood samples were taken: (1) prior to the first exposure (served as the control for each subject), (2) directly after the first exposure (to measure the acute effect), (3) immediately prior to the ninth exposure (to measure the chronic effect), and (4) 3 days after the completion of tenth/final exposure (to assess durability). SPCs were gated by blinded scientists using Flow Cytometry. Results SPCs (CD45dim/CD34+/CD133-) were mobilized by nearly two-fold following 9 exposures (p = 0.02) increasing to three-fold 72-h post completion of the final (10th) exposure (p = 0.008) confirming durability. Discussion This research demonstrates that SPCs are mobilized, and cytokines are modulated by hyperbaric air. HBA likely is a therapeutic treatment. Previously published research using HBA placebos should be re-evaluated to reflect a dose treatment finding rather than finding a placebo effect. Our findings of SPC mobilization by HBA support further investigation into hyperbaric air as a pharmaceutical/therapy.
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Affiliation(s)
- Kent J. MacLaughlin
- Department of Pediatrics, University of Wisconsin–Madison, Madison, WI, United States
| | - Gregory P. Barton
- Department of Internal Medicine, University of Texas Southwestern Medical Center, Dallas, TX, United States
| | - Rudolf K. Braun
- Department of Pediatrics, University of Wisconsin–Madison, Madison, WI, United States
| | - Julia E. MacLaughlin
- Medical Oxygen Outpatient Clinic, The American Center, Madison, WI, United States
| | - Jacob J. Lamers
- Department of Pediatrics, University of Wisconsin–Madison, Madison, WI, United States
| | - Matthew D. Marcou
- Department of Pediatrics, University of Wisconsin–Madison, Madison, WI, United States
| | - Marlowe W. Eldridge
- Department of Pediatrics, University of Wisconsin–Madison, Madison, WI, United States
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Kuromi Y, Kitamura S, Endo T, Ueno S, Kokura K, Ohbayashi T. Cisplatin Induces Cell Death in Rat Adult Kidney Stem/ Progenitor Cell-Derived Kidney Organoids. Yonago Acta Med 2023; 66:153-158. [PMID: 36820290 PMCID: PMC9937970 DOI: 10.33160/yam.2023.02.018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2022] [Accepted: 01/17/2023] [Indexed: 02/17/2023]
Abstract
Background The use of stem/ progenitor cell-derived organoids to evaluate the toxicity of chemical substances has widely increased. Organoids with nephron-like structures (NLS) can be derived from rat adult kidney stem/ progenitor cells (rKS cells) using three-dimensional culture. In this study, we examined the effects of cisplatin, an anticancer drug that induces nephrotoxicity in vivo, on rKS cell-derived NLS. Methods Twelve organoids were simultaneously derived from three-dimensionally cultured rKS cells in Matrigel matrices. The surface area of each organoid was measured using microscopy-based imaging, and the morphological changes of NLS were monitored using an image analysis method. NLS were exposed to cisplatin, and their associated effects were assessed. Results NLS elongated over time. The surface areas of the 12 organoids were almost constant. Cisplatin exposure induced cell death in NLS and inhibited the increase in the surface area of the organoids. Conclusion Cisplatin exposure induces damage to NLS derived from rKS cells. Thus, the organoids may be valuable as an in vitro model to assess nephrotoxicity.
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Affiliation(s)
- Yasushi Kuromi
- Research Facility, Advanced Medicine & Translational Research Center, Organization for Research Initiative and Promotion, Tottori University, Yonago 683-8503, Japan
| | - Shinji Kitamura
- Department of Nephrology, Rheumatology, Endocrinology, and Metabolism, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama 700-8558, Japan
| | - Takeshi Endo
- Research Facility, Advanced Medicine & Translational Research Center, Organization for Research Initiative and Promotion, Tottori University, Yonago 683-8503, Japan
| | - Shota Ueno
- Research Facility, Advanced Medicine & Translational Research Center, Organization for Research Initiative and Promotion, Tottori University, Yonago 683-8503, Japan,Research and Development Division, Kikkoman Corporation, 338 Noda, Noda, Chiba 278-0037, Japan
| | - Kenji Kokura
- Department of Biomolecular Science, Faculty of Science, Toho University, Funabashi 274-8510, Japan
| | - Tetsuya Ohbayashi
- Research Facility, Advanced Medicine & Translational Research Center, Organization for Research Initiative and Promotion, Tottori University, Yonago 683-8503, Japan
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Shaw P, Vanraes P, Kumar N, Bogaerts A. Possible Synergies of Nanomaterial-Assisted Tissue Regeneration in Plasma Medicine: Mechanisms and Safety Concerns. NANOMATERIALS (BASEL, SWITZERLAND) 2022; 12:3397. [PMID: 36234523 PMCID: PMC9565759 DOI: 10.3390/nano12193397] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/15/2022] [Revised: 09/05/2022] [Accepted: 09/06/2022] [Indexed: 06/16/2023]
Abstract
Cold atmospheric plasma and nanomedicine originally emerged as individual domains, but are increasingly applied in combination with each other. Most research is performed in the context of cancer treatment, with only little focus yet on the possible synergies. Many questions remain on the potential of this promising hybrid technology, particularly regarding regenerative medicine and tissue engineering. In this perspective article, we therefore start from the fundamental mechanisms in the individual technologies, in order to envision possible synergies for wound healing and tissue recovery, as well as research strategies to discover and optimize them. Among these strategies, we demonstrate how cold plasmas and nanomaterials can enhance each other's strengths and overcome each other's limitations. The parallels with cancer research, biotechnology and plasma surface modification further serve as inspiration for the envisioned synergies in tissue regeneration. The discovery and optimization of synergies may also be realized based on a profound understanding of the underlying redox- and field-related biological processes. Finally, we emphasize the toxicity concerns in plasma and nanomedicine, which may be partly remediated by their combination, but also partly amplified. A widespread use of standardized protocols and materials is therefore strongly recommended, to ensure both a fast and safe clinical implementation.
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Affiliation(s)
- Priyanka Shaw
- Research Group PLASMANT, Department of Chemistry, University of Antwerp, 2610 Antwerp, Belgium
| | - Patrick Vanraes
- Research Group PLASMANT, Department of Chemistry, University of Antwerp, 2610 Antwerp, Belgium
| | - Naresh Kumar
- Department of Medical Devices, National Institute of Pharmaceutical Education and Research, Guwahati 781125, Assam, India
| | - Annemie Bogaerts
- Research Group PLASMANT, Department of Chemistry, University of Antwerp, 2610 Antwerp, Belgium
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Scattered Tubular Cells Markers in Macula Densa of Normal Human Adult Kidney. Int J Mol Sci 2022; 23:ijms231810504. [PMID: 36142420 PMCID: PMC9500602 DOI: 10.3390/ijms231810504] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2022] [Revised: 08/29/2022] [Accepted: 09/08/2022] [Indexed: 11/28/2022] Open
Abstract
Background: The scattered tubular cells (STCs) are a population of resident progenitor tubular cells with expansion, self-renewal and epithelial differentiation abilities. Although these cells are localized within the proximal (PTs) and distal (DTs) tubules in a normal adult kidney, their presence has never been demonstrated in human macula densa (MD). The purpose of the present study is to describe the presence of STCs in MD using specific markers such as prominin-1 (CD133), cytokeratin 7 (KRT7) and vimentin (VIM). Methods: We analyzed two sets of three consecutive serial sections for each sample. The first sections of each set were immunostained for nNOS to identify MD, the second sections were immune-stained for CD133 (specific STCs marker) while the third sections were analyzed for KRT7 (another STCs specific marker) and VIM (that stains the basal pole of the STCs) in the first and second sets, respectively, in order to study the co-expression of KRT7 and VIM with the CD133 marker. Results: CD133 was localized in some MD cells and in the adjacent DT cells. Moreover, CD133 was detected in the parietal epithelial cells of Bowman’s capsule and in some proximal tubules (PT). KRT7-positive cells were identified in MD and adjacent DT cells, while KRT7 positivity was mostly confined in both DT and collecting ducts (CD) in the other areas of the renal parenchyma. CD133 and KRT7 were co-expressed in some MD and adjacent DT cells. Some of the latter cells were positive both for CD133 and VIM. CD133 was always localized in the apical part of the cells, whereas the VIM expression was evident only in the cellular basal pole. Although some cells of MD expressed VIM or CD133, none of them co-expressed VIM and CD133. Conclusions: The presence of STCs was demonstrated in human adult MD, suggesting that this structure has expansion, self-renewal and epithelial differentiation abilities, similar to all other parts of renal tubules.
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Promotion of Cyst Formation from a Renal Stem Cell Line Using Organ-Specific Extracellular Matrix Gel Format Culture System. Gels 2022; 8:gels8050312. [PMID: 35621610 PMCID: PMC9140708 DOI: 10.3390/gels8050312] [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: 04/15/2022] [Revised: 05/12/2022] [Accepted: 05/17/2022] [Indexed: 11/17/2022] Open
Abstract
Researchers have long awaited the technology to develop an in vitro kidney model. Here, we establish a rapid fabricating technique for kidney-like tissues (cysts) using a combination of an organ-derived extracellular matrix (ECM) gel format culture system and a renal stem cell line (CHK-Q cells). CHK-Q cells, which are spontaneously immortalized from the renal stem cells of the Chinese hamster, formed renal cyst-like structures in a type-I collagen gel sandwich culture on day 1 of culture. The cysts fused together and expanded while maintaining three-dimensional structures. The expression of genes related to kidney development and maturation was increased compared with that in a traditional monolayer. Under the kidney-derived ECM (K-ECM) gel format culture system, cyst formation and maturation were induced rapidly. Gene expressions involved in cell polarities, especially for important material transporters (typical markers Slc5a1 and Kcnj1), were restored. K-ECM composition was an important trigger for CHK-Q cells to promote kidney-like tissue formation and maturation. We have established a renal cyst model which rapidly expressed mature kidney features via the combination of K-ECM gel format culture system and CHK-Q cells.
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Tsuji K, Kitamura S, Wada J. Potential Strategies for Kidney Regeneration With Stem Cells: An Overview. Front Cell Dev Biol 2022; 10:892356. [PMID: 35586342 PMCID: PMC9108336 DOI: 10.3389/fcell.2022.892356] [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: 03/09/2022] [Accepted: 04/19/2022] [Indexed: 11/28/2022] Open
Abstract
Kidney diseases are a major health problem worldwide. Despite advances in drug therapies, they are only capable of slowing the progression of kidney diseases. Accordingly, potential kidney regeneration strategies with stem cells have begun to be explored. There are two different directions for regenerative strategies, de novo whole kidney fabrication with stem cells, and stem cell therapy. De novo whole kidney strategies include: 1) decellularized scaffold technology, 2) 3D bioprinting based on engineering technology, 3) kidney organoid fabrication, 4) blastocyst complementation with chimeric technology, and 5) the organogenic niche method. Meanwhile, stem cell therapy strategies include 1) injection of stem cells, including mesenchymal stem cells, nephron progenitor cells, adult kidney stem cells and multi-lineage differentiating stress enduring cells, and 2) injection of protective factors secreted from these stem cells, including growth factors, chemokines, and extracellular vesicles containing microRNAs, mRNAs and proteins. Over the past few decades, there have been remarkable step-by-step developments in these strategies. Here, we review the current advances in the potential strategies for kidney regeneration using stem cells, along with their challenges for possible clinical use in the future.
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Ni L, You H, Wang M, Qian J, Chen J. BrdU Methodology for Labeling Renal Stem Cells during Kidney Development of Mice. Stem Cells Dev 2022; 31:195-206. [PMID: 35245977 DOI: 10.1089/scd.2021.0362] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
A continuous Bromodeoxyuridine (BrdU) labeling approach was used during the whole process of the mice kidney development to explore the best BrdU-labeling time, the distribution of BrdU-retaining cells, and to probe into the niche of stem cells in adult kidney. BrdU were injected intraperitoneally to the mice once daily for 3 consecutive days from day 11.5 of embryonic period (E11.5) until the postnatal day 21.5 (P21.5). The kidneys were harvested 24 hours after the last BrdU injection and 6 months of age. A renal injury model of subtotal nephrectomy (Nx) in adult mice treated with BrdU was used to observe the response of BrdU-retaining cells to renal injury. When BrdU labeled at E11.5-13.5, the BrdU-retaining cells were mainly detected in the papilla and inner medulla in adult mice. When BrdU labeled at P0.5-11.5, the BrdU-retaining cells were mainly detected in the inner medulla and outer medulla. When BrdU labeled at P12.5-17.5, the BrdU-retaining cells were mainly detected in the outer medulla. When BrdU labeled at P18.5-21.5, almost no BrdU-positive cells could be found, except the cortex. 72 hours after Nx operation in adult mice by BrdU-labeling at P0.5-2.5 or P15.5-17.5, a significant increase of BrdU-retaining cells was found in many cortical proximal tubules, while a dramatic decrease was detected in medulla near the incision edge. Moreover, most of BrdU-positive cells were not co-stained with proliferating cell nuclear antigen (PCNA). The distributions of label-retaining cells in the mice kidney were different if BrdU was administered in different periods of kidney development. Most of BrdU-retaining cells were quiescent, the proximal tubules were the only segments that always contained BrdU positive cells, which may have the niche of stem cells in adult kidney.
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Affiliation(s)
- Li Ni
- Huashan Hospital Fudan University, 159397, Division of Nephrology, Shanghai, Shanghai, China;
| | - Huaizhou You
- Huashan Hospital Fudan University, 159397, Division of Nephrology, Shanghai, China, 200040;
| | - Mengjing Wang
- Huashan Hospital Fudan University, 159397, Division of Nephrology, Shanghai, Shanghai, China;
| | - Jing Qian
- Huashan Hospital Fudan University, 159397, Division of Nephrology, Shanghai, Shanghai, China;
| | - Jing Chen
- Huashan Hospital Fudan University, 159397, Division of Nephrology, Shanghai, Shanghai, China;
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Weng X, Li J, Guan Q, Zhao H, Wang Z, Gleave ME, Nguan CY, Du C. The functions of clusterin in renal mesenchymal stromal cells: Promotion of cell growth and regulation of macrophage activation. Exp Cell Res 2022; 413:113081. [PMID: 35218723 DOI: 10.1016/j.yexcr.2022.113081] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2021] [Revised: 01/31/2022] [Accepted: 02/15/2022] [Indexed: 12/24/2022]
Abstract
Clusterin (CLU) increases resistance to renal ischemia-reperfusion injury and promotes renal tissue repair. However, the mechanisms underlying of the renal protection of CLU remain unknown. Mesenchymal stromal cells (MSCs) may contribute to kidney cell turnover and injury repair. This study investigated the in vitro functions of CLU in kidney mesenchymal stromal cells (KMSCs). KMSCs were grown in plastic culture plates. Cell surface markers, apoptosis and phagocytosis were determined by flow cytometry, and CLU protein by Western blot. There were no differences in the expression of MSC markers (positive: CD133, Sca-1, CD44, CD117 and NG2, and negative: CD34, CD45, CD163, CD41, CD276, CD138, CD79a, CD146 and CD140b) and in the trilineage differentiation to chondrocytes, adipocytes and osteocytes between wild type (WT) and CLU knockout (KO) KMSCs. CLU was expressed intracellularly and secreted by WT KMSCs, and it was up-regulated by hypoxia. CLU did not prevent hypoxia-induced cell apoptosis but promoted cell growth in KMSC cultures. Furthermore, incubation with CLU-containing culture medium from WT KMSCs increased CD206 expression and phagocytic capacity of macrophages. In conclusion, our data for the first time demonstrate the function of CLU in the promotion of KMSCs proliferation, and it may be required for KMSCs-regulated macrophage M2 polarization and phagocytic activity.
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Affiliation(s)
- Xiaodong Weng
- Department of Urology, Renmin Hospital of Wuhan University, Wuhan, 430060, Hubei, China; Department of Urologic Sciences, University of British Columbia, Vancouver, BC, Canada
| | - Jing Li
- Department of Ophthamology, The Central Hospital of Wuhan, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430060, China
| | - Qiunong Guan
- Department of Urologic Sciences, University of British Columbia, Vancouver, BC, Canada
| | - Haimei Zhao
- Department of Urologic Sciences, University of British Columbia, Vancouver, BC, Canada; College of Traditional Chinese Medicine, Jiangxi University of Traditional Chinese Medicine, Nanchang, 330004, Jiangxi Province, China
| | - Zihuan Wang
- Department of Urologic Sciences, University of British Columbia, Vancouver, BC, Canada; First Clinical Medical School, Southern Medical University, Guangzhou, 510000, China
| | - Martin E Gleave
- Department of Urologic Sciences, University of British Columbia, Vancouver, BC, Canada
| | - Christopher Yc Nguan
- Department of Urologic Sciences, University of British Columbia, Vancouver, BC, Canada
| | - Caigan Du
- Department of Urologic Sciences, University of British Columbia, Vancouver, BC, Canada.
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11
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Little MH, Humphreys BD. Regrow or Repair: An Update on Potential Regenerative Therapies for the Kidney. J Am Soc Nephrol 2022; 33:15-32. [PMID: 34789545 PMCID: PMC8763179 DOI: 10.1681/asn.2021081073] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023] Open
Abstract
Fifteen years ago, this journal published a review outlining future options for regenerating the kidney. At that time, stem cell populations were being identified in multiple tissues, the concept of stem cell recruitment to a site of injury was of great interest, and the possibility of postnatal renal stem cells was growing in momentum. Since that time, we have seen the advent of human induced pluripotent stem cells, substantial advances in our capacity to both sequence and edit the genome, global and spatial transcriptional analysis down to the single-cell level, and a pandemic that has challenged our delivery of health care to all. This article will look back over this period of time to see how our view of kidney development, disease, repair, and regeneration has changed and envision a future for kidney regeneration and repair over the next 15 years.
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Affiliation(s)
- Melissa H. Little
- Murdoch Children’s Research Institute, Parkville, Melbourne, Victoria, Australia,Department of Paediatrics, Faculty of Medicine, Dentistry and Health Sciences, The University of Melbourne, Parkville, Melbourne, Victoria, Australia,Department of Anatomy and Neuroscience, The University of Melbourne, Parkville, Melbourne, Victoria, Australia
| | - Benjamin D. Humphreys
- Division of Nephrology, Department of Medicine, Washington University in St. Louis School of Medicine, Missouri,Department of Developmental Biology, Washington University in St. Louis School of Medicine, Missouri
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12
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Moreno JCA, Bahmad HF, Febres-Aldana CA, Pirela A, Azuero A, Salami A, Poppiti R. Post-mortem assessment of vimentin expression as a biomarker for renal tubular regeneration following acute kidney injury. J Pathol Transl Med 2021; 55:369-379. [PMID: 34638220 PMCID: PMC8601956 DOI: 10.4132/jptm.2021.08.03] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2021] [Accepted: 08/03/2021] [Indexed: 11/24/2022] Open
Abstract
BACKGROUND Acute kidney injury (AKI) is a common cause of morbidity and mortality. It mainly targets the renal tubular epithelium with pathological changes, referred to as acute tubular injury. The latter is followed by a regenerative response that is difficult to visualize on routine hematoxylin and eosin (H&E) stains. In this study, we examined the regenerative capacity of renal tubules by correlating vimentin (VIM) immunohistochemical (IHC) expression and pathological findings of AKI and renal tubular regeneration (RTR) on H&E. METHODS We reviewed 23 autopsies performed in the clinical setting of AKI and RTR. VIM expression was scored in the renal cortical tubular epithelium using a statistical cutoff ≥ 3% for high expression and < 3% for low expression. RESULTS Of the 23 kidney tissues examined, seven (30.4%) had low VIM expression, and 16 (69.6%) had high VIM expression. Kidney tissues with evidence of AKI and RTR had significantly higher VIM expression. Renal peritubular microenvironment features showing regenerative changes on H&E were associated with high VIM expression. In the univariate model, kidney tissues with RTR were 18-fold more likely to have high VIM expression. CONCLUSIONS In conclusion, our findings suggest that VIM could serve as an IHC marker for RTR following AKI. However, correlation with H&E findings remains critical to excluding chronic tubular damage. Collectively, our preliminary results pave the way for future studies including a larger sample size to validate the use of VIM as a reliable biomarker for RTR.
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Affiliation(s)
- Juan Carlos Alvarez Moreno
- Arkadi M. Rywlin M.D. Department of Pathology and Laboratory Medicine, Mount Sinai Medical Center, Miami Beach, FL, USA
| | - Hisham F Bahmad
- Arkadi M. Rywlin M.D. Department of Pathology and Laboratory Medicine, Mount Sinai Medical Center, Miami Beach, FL, USA
| | - Christopher A Febres-Aldana
- Arkadi M. Rywlin M.D. Department of Pathology and Laboratory Medicine, Mount Sinai Medical Center, Miami Beach, FL, USA
| | - Andrés Pirela
- Department of Internal Medicine, Mount Sinai Medical Center, Miami Beach, FL, USA
| | - Andres Azuero
- Department of Internal Medicine, Mount Sinai Medical Center, Miami Beach, FL, USA
| | - Ali Salami
- Department of Mathematics, Faculty of Sciences, Lebanese University, Nabatieh, Lebanon
| | - Robert Poppiti
- Arkadi M. Rywlin M.D. Department of Pathology and Laboratory Medicine, Mount Sinai Medical Center, Miami Beach, FL, USA
- Herbert Wertheim College of Medicine, Florida International University, Miami, FL, USA
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13
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Little MH, Howden SE, Lawlor KT, Vanslambrouck JM. Determining lineage relationships in kidney development and disease. Nat Rev Nephrol 2021; 18:8-21. [PMID: 34594045 DOI: 10.1038/s41581-021-00485-5] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/19/2021] [Indexed: 12/17/2022]
Abstract
The lineage relationships of cells provide information about the origins of component cell types during development and repair as well as the source of aberrant cells during disease. Genetic approaches to lineage tracing applied in the mouse have revealed much about how the mammalian kidney forms, including the identification of key progenitors for the nephrons and stromal compartments. Inducible Cre systems have also facilitated lineage tracing studies in the postnatal animal that illustrate the changes in cellular fate that can occur during kidney injury. With the advent of single-cell transcriptional profiling and trajectory analyses, predictions of cellular relationships across development are now being made in model systems, such as the mouse, as well as in human fetal kidney. Importantly, these approaches provide predictions of lineage relationships rather than definitive evidence. Although genetic approaches to the study of lineage have not previously been possible in a human setting, the application of CRISPR-Cas9 gene editing of pluripotent stem cells is beginning to teach us about human lineage relationships.
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Affiliation(s)
- Melissa H Little
- Murdoch Children's Research Institute, Parkville, VIC, Australia. .,Department of Paediatrics, The University of Melbourne, Melbourne, VIC, Australia. .,Department of Anatomy and Neuroscience, The University of Melbourne, Melbourne, VIC, Australia.
| | - Sara E Howden
- Murdoch Children's Research Institute, Parkville, VIC, Australia.,Department of Paediatrics, The University of Melbourne, Melbourne, VIC, Australia
| | - Kynan T Lawlor
- Murdoch Children's Research Institute, Parkville, VIC, Australia
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14
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Huang J, Kong Y, Xie C, Zhou L. Stem/progenitor cell in kidney: characteristics, homing, coordination, and maintenance. Stem Cell Res Ther 2021; 12:197. [PMID: 33743826 PMCID: PMC7981824 DOI: 10.1186/s13287-021-02266-0] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2021] [Accepted: 03/02/2021] [Indexed: 02/06/2023] Open
Abstract
Renal failure has a high prevalence and is becoming a public health problem worldwide. However, the renal replacement therapies such as dialysis are not yet satisfactory for its multiple complications. While stem/progenitor cell-mediated tissue repair and regenerative medicine show there is light at the end of tunnel. Hence, a better understanding of the characteristics of stem/progenitor cells in kidney and their homing capacity would greatly promote the development of stem cell research and therapy in the kidney field and open a new route to explore new strategies of kidney protection. In this review, we generally summarize the main stem/progenitor cells derived from kidney in situ or originating from the circulation, especially bone marrow. We also elaborate on the kidney-specific microenvironment that allows stem/progenitor cell growth and chemotaxis, and comment on their interaction. Finally, we highlight potential strategies for improving the therapeutic effects of stem/progenitor cell-based therapy. Our review provides important clues to better understand and control the growth of stem cells in kidneys and develop new therapeutic strategies.
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Affiliation(s)
- Jiewu Huang
- State Key Laboratory of Organ Failure Research, National Clinical Research Center of Kidney Disease, Division of Nephrology, Nanfang Hospital, Southern Medical University, 1838 North Guangzhou Ave, Guangzhou, 510515, China
| | - Yaozhong Kong
- Department of Nephrology, the First People's Hospital of Foshan, Foshan, Guangdong, China
| | - Chao Xie
- Department of Nephrology, the First People's Hospital of Foshan, Foshan, Guangdong, China
| | - Lili Zhou
- State Key Laboratory of Organ Failure Research, National Clinical Research Center of Kidney Disease, Division of Nephrology, Nanfang Hospital, Southern Medical University, 1838 North Guangzhou Ave, Guangzhou, 510515, China. .,Bioland Laboratory (Guangzhou Regenerative Medicine and Health Guangdong Laboratory), Guangzhou, China.
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15
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Mesenchymal Stem Cell Therapy for Diabetic Kidney Disease: A Review of the Studies Using Syngeneic, Autologous, Allogeneic, and Xenogeneic Cells. Stem Cells Int 2020; 2020:8833725. [PMID: 33505469 PMCID: PMC7812547 DOI: 10.1155/2020/8833725] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2020] [Revised: 10/31/2020] [Accepted: 11/03/2020] [Indexed: 12/18/2022] Open
Abstract
Diabetic kidney disease (DKD) is a microvascular complication of diabetes mellitus (DM) and comprises multifactorial pathophysiologic mechanisms. Despite current treatment, around 30-40% of individuals with type 1 and type 2 DM (DM1 and DM2) have progressive DKD, which is the most common cause of end-stage chronic kidney disease worldwide. Mesenchymal stem cell- (MSC-) based therapy has important biological and therapeutic implications for curtailing DKD progression. As a chronic disease, DM may impair MSC microenvironment, but there is compelling evidence that MSC derived from DM1 individuals maintain their cardinal properties, such as potency, secretion of trophic factors, and modulation of immune cells, so that both autologous and allogeneic MSCs are safe and effective. Conversely, MSCs derived from DM2 individuals are usually dysfunctional, exhibiting higher rates of senescence and apoptosis and a decrease in clonogenicity, proliferation, and angiogenesis potential. Therefore, more studies in humans are needed to reach a conclusion if autologous MSCs from DM2 individuals are effective for treatment of DM-related complications. Importantly, the bench to bedside pathway has been constructed in the last decade for assessing the therapeutic potential of MSCs in the DM setting. Laboratory research set the basis for establishing further translation research including preclinical development and proof of concept in model systems. Phase I clinical trials have evaluated the safety profile of MSC-based therapy in humans, and phase II clinical trials (proof of concept in trial participants) still need to answer important questions for treating DKD, yet metabolic control has already been documented. Therefore, randomized and controlled trials considering the source, optimal cell number, and route of delivery in DM patients are further required to advance MSC-based therapy. Future directions include strategies to reduce MSC heterogeneity, standardized protocols for isolation and expansion of those cells, and the development of well-designed large-scale trials to show significant efficacy during a long follow-up, mainly in individuals with DKD.
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16
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Fang P, Zhou L, Lim LY, Fu H, Yuan ZX, Lin J. Targeting Strategies for Renal Cancer Stem Cell Therapy. Curr Pharm Des 2020; 26:1964-1978. [PMID: 32188377 DOI: 10.2174/1381612826666200318153106] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2019] [Accepted: 02/27/2020] [Indexed: 12/24/2022]
Abstract
Renal cell carcinoma (RCC) is an intractable genitourinary malignancy that accounts for approximately 4% of adult malignancies. Currently, there is no approved targeted therapy for RCC that has yielded durable remissions, and they remain palliative in intent. Emerging evidence has indicated that renal tumorigenesis and RCC treatment-resistance may originate from renal cancer stem cells (CSCs) with tumor-initiating capacity (CSC hypothesis). A better understanding of the mechanism underlying renal CSCs will help to dissect RCC heterogeneity and drug treatment efficiency, to promote more personalized and targeted therapies. In this review, we summarized the stem cell characteristics of renal CSCs. We outlined the targeting strategies and challenges associated with developing therapies that target renal CSCs angiogenesis, immunosuppression, signaling pathways, surface biomarkers, microRNAs and nanomedicine. In conclusion, CSCs are an important role in renal carcinogenesis and represent a valid target for treatment of RCC patients.
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Affiliation(s)
- Pengchao Fang
- Department of Pharmacy, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, China
| | - Liuting Zhou
- Department of Pharmacy, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, China
| | - Lee Y Lim
- Department of Pharmacy, School of Medicine and Pharmacology, The University of Western Australia, Crawley WA 6009, Perth, Australia
| | - Hualin Fu
- Department of Pharmacy, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, China
| | - Zhi-Xiang Yuan
- College of Pharmacy, Southwest Minzu University, Chengdu, China
| | - Juchun Lin
- Department of Pharmacy, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, China
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17
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Bradley JR, Wang J, Bardsley V, Broecker V, Thiru S, Pober JS, Al-Lamki RS. Signaling through tumor necrosis receptor 2 induces stem cell marker in CD133 + regenerating tubular epithelial cells in acute cell-mediated rejection of human renal allografts. Am J Transplant 2020; 20:2380-2391. [PMID: 32167668 DOI: 10.1111/ajt.15846] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2019] [Revised: 02/19/2020] [Accepted: 02/20/2020] [Indexed: 01/25/2023]
Abstract
Tumor necrosis factor receptor 2 (TNFR2) is strongly upregulated on renal tubular epithelial cells by acute cell-mediated rejection (ACR. In human kidney organ culture, TNFR2 signaling both upregulates TNFR2 expression and promotes cell cycle entry of tubular epithelial cells. We find significantly more cells express CD133 mRNA and protein, a putative stem cell marker, in allograft biopsy samples with ACR compared to acute tubular injury without rejection or pretransplant "normal kidney" biopsy samples. Of CD133+ cells, ~85% are within injured tubules and ~15% are interstitial. Both populations express stem cell marker TRA-1-60 and TNFR2, but only tubular CD133+ cells express proximal tubular markers megalin and aquaporin-1. TNFR2+ CD133+ cells in tubules express proliferation marker phospho-histone H3S10 (pH3S10 ). Tubular epithelial cells in normal kidney organ cultures respond to TNFR2 signaling by expressing CD133 mRNA and protein, stem cell marker TRA-1-60, and pH3S10 within 3 hours of treatment. This rapid response time suggests that CD133+ cells in regenerating tubules of kidneys undergoing ACR represent proliferating tubular epithelial cells with TNFR2-induced stem cell markers rather than expansion of resident stem cells. Infiltrating host mononuclear cells are a likely source of TNF as these changes are absent in acute tubular injury .
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Affiliation(s)
- John R Bradley
- Department of Medicine, NIHR Cambridge Biomedical Research Centre, University of Cambridge, Cambridge, UK
| | - Jun Wang
- Department of Medicine, NIHR Cambridge Biomedical Research Centre, University of Cambridge, Cambridge, UK
| | - Victoria Bardsley
- Department of Histopathology, Addenbrookes Hospital, Cambridge University Hospitals NHS Foundation Trust, Cambridge, UK
| | - Verena Broecker
- Department of Clinical Pathology, Sahlgrenska University Hospital Gothenburg, Gothenburg, Sweden
| | - Sathia Thiru
- Department of Histopathology, Addenbrookes Hospital, Cambridge University Hospitals NHS Foundation Trust, Cambridge, UK
| | - Jordan S Pober
- Department of Immunobiology, Yale University School of Medicine, New Haven, Connecticut
| | - Rafia S Al-Lamki
- Department of Medicine, NIHR Cambridge Biomedical Research Centre, University of Cambridge, Cambridge, UK
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18
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Tsuji K, Kitamura S, Sang Y, Fukushima K, Wada J. Adult kidney stem/progenitor cells contribute to regeneration through the secretion of trophic factors. Stem Cell Res 2020; 46:101865. [PMID: 32505897 DOI: 10.1016/j.scr.2020.101865] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/01/2019] [Revised: 05/12/2020] [Accepted: 05/22/2020] [Indexed: 12/20/2022] Open
Abstract
Adult kidney stem cells are known to have important roles in renal regeneration after acute kidney injury. Although trophic factors from tissue stem cells have been reported to promote the regeneration of other organs, there is limited number of evidence of this phenomenon in the kidneys. Here, we explored the effects of secreted factors from kidney stem cells. We intraperitoneally administered culture supernatant obtained from adult rat kidney stem/progenitor cells into rat kidney ischemia/reperfusion injury models, and the treatment significantly ameliorated renal tubulointerstitial injury, suppressed tubular cell apoptosis, diminished inflammation and promoted the proliferation of both residual renal cells and immature cells. In vitro, treatment with culture supernatant from kidney stem cells significantly promoted cell proliferation and suppressed cisplatin-induced cell apoptosis in both normal rat kidney cells and kidney stem cells. In addition, treatment with culture supernatant increased the expression of nestin in normal rat kidney cells, suggesting the dedifferentiation of tubular cells into stem-like cells. Analysis of the culture supernatant revealed that it contained a variety of growth factors. Taken together, the results suggest that these factors together lead to renal regeneration. In conclusion, adult kidney stem cells contribute to renal regeneration indirectly through the secretion of regenerative factors.
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Affiliation(s)
- Kenji Tsuji
- Department of Nephrology, Rheumatology, Endocrinology and Metabolism, Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences, Okayama, Japan.
| | - Shinji Kitamura
- Department of Nephrology, Rheumatology, Endocrinology and Metabolism, Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences, Okayama, Japan.
| | - Yizhen Sang
- Department of Nephrology, Rheumatology, Endocrinology and Metabolism, Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences, Okayama, Japan
| | - Kazuhiko Fukushima
- Department of Nephrology, Rheumatology, Endocrinology and Metabolism, Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences, Okayama, Japan.
| | - Jun Wada
- Department of Nephrology, Rheumatology, Endocrinology and Metabolism, Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences, Okayama, Japan.
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19
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Ahmadi A, Rad NK, Ezzatizadeh V, Moghadasali R. Kidney Regeneration: Stem Cells as a New Trend. Curr Stem Cell Res Ther 2020; 15:263-283. [DOI: 10.2174/1574888x15666191218094513] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2019] [Revised: 11/05/2019] [Accepted: 11/06/2019] [Indexed: 12/23/2022]
Abstract
Renal disease is a major worldwide public health problem that affects one in ten people.
Renal failure is caused by the irreversible loss of the structural and functional units of kidney (nephrons)
due to acute and chronic injuries. In humans, new nephrons (nephrogenesis) are generated until
the 36th week of gestation and no new nephron develops after birth. However, in rodents, nephrogenesis
persists until the immediate postnatal period. The postnatal mammalian kidney can partly repair
their nephrons. The kidney uses intrarenal and extra-renal cell sources for maintenance and repair.
Currently, it is believed that dedifferentiation of surviving tubular epithelial cells and presence of resident
stem cells have important roles in kidney repair. Many studies have shown that stem cells obtained
from extra-renal sites such as the bone marrow, adipose and skeletal muscle tissues, in addition
to umbilical cord and amniotic fluid, have potential therapeutic benefits. This review discusses the
main mechanisms of renal regeneration by stem cells after a kidney injury.
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Affiliation(s)
- Amin Ahmadi
- Department of Stem Cells and Developmental Biology, Cell Science Research Center, Royan Institute for Stem Cell Biology and Technology, ACECR, Tehran, Iran
| | - Niloofar K. Rad
- Department of Stem Cells and Developmental Biology, Cell Science Research Center, Royan Institute for Stem Cell Biology and Technology, ACECR, Tehran, Iran
| | - Vahid Ezzatizadeh
- Department of Medical Genetics, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran
| | - Reza Moghadasali
- Department of Stem Cells and Developmental Biology, Cell Science Research Center, Royan Institute for Stem Cell Biology and Technology, ACECR, Tehran, Iran
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20
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Kayhan Kuştepe E, Bahar L, Zayman E, Sucu N, Gül S, Gül M. A light microscopic investigation of the renoprotective effects of α-lipoic acid and α-tocopherol in an experimental diabetic rat model. Biotech Histochem 2020; 95:305-316. [PMID: 32013590 DOI: 10.1080/10520295.2019.1695942] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023] Open
Abstract
We investigated the effects of α-lipoic acid (AL) and α-tocopherol (AT) on renal histopathology in a streptozotocin (STZ) induced diabetic rat model. Adult male rats were divided into six groups: group 1, saline only; group 2, AL only; group 3, AT only; group 4, STZ only; group 5, STZ + AL; group 6 STZ + AT. Experimental diabetes was induced by STZ. AL and AT were administered for 15 days. Kidney sections were examined using a light microscope after hematoxylin and eosin (H & E), periodic acid-Schiff (PAS) and caspase-3 staining. Histological damage to glomeruli, tubule epithelial cells and basement membrane was observed in group 4. Administration of AT and AL reduced renal injury in the diabetic rats. Group 5 exhibited a greater curative effect on diabetic rats than group 6. AT and AL may be useful for preventing diabetic renal damage.
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Affiliation(s)
- Elif Kayhan Kuştepe
- Department of Histology and Embryology, Medical Faculty, Inonu University, Malatya, Turkey
| | - Leyla Bahar
- Department of Medical Services and Techniques, Vocational School of Health Services, Mersin University, Mersin, Turkey
| | - Emrah Zayman
- Department of Histology and Embryology, Medical Faculty, Inonu University, Malatya, Turkey
| | - Nehir Sucu
- Department of Cardiovascular Surgery, Medical Faculty, Mersin University, Mersin, Turkey
| | - Semir Gül
- Department of Histology and Embryology, Medical Faculty, Inonu University, Malatya, Turkey
| | - Mehmet Gül
- Department of Histology and Embryology, Medical Faculty, Inonu University, Malatya, Turkey
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21
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Andrianova NV, Buyan MI, Zorova LD, Pevzner IB, Popkov VA, Babenko VA, Silachev DN, Plotnikov EY, Zorov DB. Kidney Cells Regeneration: Dedifferentiation of Tubular Epithelium, Resident Stem Cells and Possible Niches for Renal Progenitors. Int J Mol Sci 2019; 20:ijms20246326. [PMID: 31847447 PMCID: PMC6941132 DOI: 10.3390/ijms20246326] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2019] [Revised: 12/10/2019] [Accepted: 12/12/2019] [Indexed: 12/11/2022] Open
Abstract
A kidney is an organ with relatively low basal cellular regenerative potential. However, renal cells have a pronounced ability to proliferate after injury, which undermines that the kidney cells are able to regenerate under induced conditions. The majority of studies explain yielded regeneration either by the dedifferentiation of the mature tubular epithelium or by the presence of a resident pool of progenitor cells in the kidney tissue. Whether cells responsible for the regeneration of the kidney initially have progenitor properties or if they obtain a “progenitor phenotype” during dedifferentiation after an injury, still stays the open question. The major stumbling block in resolving the issue is the lack of specific methods for distinguishing between dedifferentiated cells and resident progenitor cells. Transgenic animals, single-cell transcriptomics, and other recent approaches could be powerful tools to solve this problem. This review examines the main mechanisms of kidney regeneration: dedifferentiation of epithelial cells and activation of progenitor cells with special attention to potential niches of kidney progenitor cells. We attempted to give a detailed description of the most controversial topics in this field and ways to resolve these issues.
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Affiliation(s)
- Nadezda V. Andrianova
- Faculty of Bioengineering and Bioinformatics, Lomonosov Moscow State University, 119992 Moscow, Russia
- A.N. Belozersky Institute of Physico-Chemical Biology, Lomonosov Moscow State University, 119992 Moscow, Russia
| | - Marina I. Buyan
- Faculty of Bioengineering and Bioinformatics, Lomonosov Moscow State University, 119992 Moscow, Russia
| | - Ljubava D. Zorova
- A.N. Belozersky Institute of Physico-Chemical Biology, Lomonosov Moscow State University, 119992 Moscow, Russia
- V.I. Kulakov National Medical Research Center of Obstetrics, Gynecology and Perinatology, 117997 Moscow, Russia
| | - Irina B. Pevzner
- A.N. Belozersky Institute of Physico-Chemical Biology, Lomonosov Moscow State University, 119992 Moscow, Russia
- V.I. Kulakov National Medical Research Center of Obstetrics, Gynecology and Perinatology, 117997 Moscow, Russia
| | - Vasily A. Popkov
- A.N. Belozersky Institute of Physico-Chemical Biology, Lomonosov Moscow State University, 119992 Moscow, Russia
- V.I. Kulakov National Medical Research Center of Obstetrics, Gynecology and Perinatology, 117997 Moscow, Russia
| | - Valentina A. Babenko
- A.N. Belozersky Institute of Physico-Chemical Biology, Lomonosov Moscow State University, 119992 Moscow, Russia
- V.I. Kulakov National Medical Research Center of Obstetrics, Gynecology and Perinatology, 117997 Moscow, Russia
| | - Denis N. Silachev
- A.N. Belozersky Institute of Physico-Chemical Biology, Lomonosov Moscow State University, 119992 Moscow, Russia
- V.I. Kulakov National Medical Research Center of Obstetrics, Gynecology and Perinatology, 117997 Moscow, Russia
| | - Egor Y. Plotnikov
- A.N. Belozersky Institute of Physico-Chemical Biology, Lomonosov Moscow State University, 119992 Moscow, Russia
- V.I. Kulakov National Medical Research Center of Obstetrics, Gynecology and Perinatology, 117997 Moscow, Russia
- Sechenov First Moscow State Medical University, Institute of Molecular Medicine, 119991 Moscow, Russia
- Correspondence: (E.Y.P.); (D.B.Z.); Tel.: +7-495-939-5944 (E.Y.P.)
| | - Dmitry B. Zorov
- A.N. Belozersky Institute of Physico-Chemical Biology, Lomonosov Moscow State University, 119992 Moscow, Russia
- V.I. Kulakov National Medical Research Center of Obstetrics, Gynecology and Perinatology, 117997 Moscow, Russia
- Correspondence: (E.Y.P.); (D.B.Z.); Tel.: +7-495-939-5944 (E.Y.P.)
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22
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Rangel ÉB, Gomes SA, Kanashiro-Takeuchi R, Hare JM. Progenitor/Stem Cell Delivery by Suprarenal Aorta Route in Acute Kidney Injury. Cell Transplant 2019; 28:1390-1403. [PMID: 31409111 PMCID: PMC6802150 DOI: 10.1177/0963689719860826] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2019] [Revised: 05/14/2019] [Accepted: 06/03/2019] [Indexed: 02/06/2023] Open
Abstract
Progenitor/stem cell-based kidney regenerative strategies are a key step towards the development of novel therapeutic regimens for kidney disease treatment. However, the route of cell delivery, e.g., intravenous, intra-arterial, or intra-parenchymal, may affect the efficiency for kidney repair in different models of acute and chronic injury. Here, we describe a protocol of intra-aorta progenitor/stem cell injection in rats following either acute ischemia-reperfusion injury or acute proteinuria induced by puromycin aminonucleoside (PAN) - the experimental prototype of human minimal change disease and early stages of focal and segmental glomerulosclerosis. Vascular clips were applied across both renal pedicles for 35 min, or a single dose of PAN was injected via intra-peritoneal route, respectively. Subsequently, 2 x 106 stem cells [green fluorescent protein (GFP)-labeled c-Kit+ progenitor/stem cells or GFP-mesenchymal stem cells] or saline were injected into the suprarenal aorta, above the renal arteries, after application of a vascular clip to the abdominal aorta below the renal arteries. This approach contributed to engraftment rates of ∼10% at day 8 post ischemia-reperfusion injury, when c-Kit+ progenitor/stem cells were injected, which accelerated kidney recovery. Similar rates of engraftment were found after PAN-induced podocyte damage at day 21. With practice and gentle surgical technique, 100% of the rats could be injected successfully, and, in the week following injection, ∼ 85% of the injected rats will recover completely. Given the similarities in mammals, much of the data obtained from intra-arterial delivery of progenitor/stem cells in rodents can be tested in translational research and clinical trials with endovascular catheters in humans.
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Affiliation(s)
- Érika B. Rangel
- Interdisciplinary Stem Cell Institute, Leonard M Miller School of
Medicine, University of Miami, USA
- Hospital Israelita Albert Einstein, São Paulo, Brazil
- Federal University of São Paulo, Brazil
| | - Samirah A. Gomes
- Interdisciplinary Stem Cell Institute, Leonard M Miller School of
Medicine, University of Miami, USA
- Laboratory of Cellular, Genetic, and Molecular Nephrology, Renal
Division, University of São Paulo, Brazil
| | - Rosemeire Kanashiro-Takeuchi
- Interdisciplinary Stem Cell Institute, Leonard M Miller School of
Medicine, University of Miami, USA
- Department of Molecular and Cellular Pharmacology, Leonard M Miller
School of Medicine, University of Miami, USA
| | - Joshua M. Hare
- Interdisciplinary Stem Cell Institute, Leonard M Miller School of
Medicine, University of Miami, USA
- Department of Molecular and Cellular Pharmacology, Leonard M Miller
School of Medicine, University of Miami, USA
- Division of Cardiology, Leonard M Miller School of Medicine,
University of Miami, USA
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23
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Priante G, Gianesello L, Ceol M, Del Prete D, Anglani F. Cell Death in the Kidney. Int J Mol Sci 2019; 20:E3598. [PMID: 31340541 PMCID: PMC6679187 DOI: 10.3390/ijms20143598] [Citation(s) in RCA: 104] [Impact Index Per Article: 20.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2019] [Revised: 07/18/2019] [Accepted: 07/18/2019] [Indexed: 12/14/2022] Open
Abstract
Apoptotic cell death is usually a response to the cell's microenvironment. In the kidney, apoptosis contributes to parenchymal cell loss in the course of acute and chronic renal injury, but does not trigger an inflammatory response. What distinguishes necrosis from apoptosis is the rupture of the plasma membrane, so necrotic cell death is accompanied by the release of unprocessed intracellular content, including cellular organelles, which are highly immunogenic proteins. The relative contribution of apoptosis and necrosis to injury varies, depending on the severity of the insult. Regulated cell death may result from immunologically silent apoptosis or from immunogenic necrosis. Recent advances have enhanced the most revolutionary concept of regulated necrosis. Several modalities of regulated necrosis have been described, such as necroptosis, ferroptosis, pyroptosis, and mitochondrial permeability transition-dependent regulated necrosis. We review the different modalities of apoptosis, necrosis, and regulated necrosis in kidney injury, focusing particularly on evidence implicating cell death in ectopic renal calcification. We also review the evidence for the role of cell death in kidney injury, which may pave the way for new therapeutic opportunities.
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Affiliation(s)
- Giovanna Priante
- Kidney Histomorphology and Molecular Biology Laboratory, Clinical Nephrology, Department of Medicine - DIMED, University of Padua, via Giustiniani 2, 35128 Padova, Italy.
| | - Lisa Gianesello
- Kidney Histomorphology and Molecular Biology Laboratory, Clinical Nephrology, Department of Medicine - DIMED, University of Padua, via Giustiniani 2, 35128 Padova, Italy
| | - Monica Ceol
- Kidney Histomorphology and Molecular Biology Laboratory, Clinical Nephrology, Department of Medicine - DIMED, University of Padua, via Giustiniani 2, 35128 Padova, Italy
| | - Dorella Del Prete
- Kidney Histomorphology and Molecular Biology Laboratory, Clinical Nephrology, Department of Medicine - DIMED, University of Padua, via Giustiniani 2, 35128 Padova, Italy
| | - Franca Anglani
- Kidney Histomorphology and Molecular Biology Laboratory, Clinical Nephrology, Department of Medicine - DIMED, University of Padua, via Giustiniani 2, 35128 Padova, Italy
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24
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Rota C, Morigi M, Imberti B. Stem Cell Therapies in Kidney Diseases: Progress and Challenges. Int J Mol Sci 2019; 20:ijms20112790. [PMID: 31181604 PMCID: PMC6600599 DOI: 10.3390/ijms20112790] [Citation(s) in RCA: 45] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2019] [Revised: 05/31/2019] [Accepted: 06/05/2019] [Indexed: 12/15/2022] Open
Abstract
The prevalence of renal diseases is emerging as a public health problem. Despite major progress in supportive therapy, mortality rates among patients remain high. In an attempt to find innovative treatments to stimulate kidney regeneration, stem cell-based technology has been proposed as a potentially promising strategy. Here, we summarise the renoprotective potential of pluripotent and adult stem cell therapy in experimental models of acute and chronic kidney injury and we explore the different mechanisms at the basis of stem cell-induced kidney regeneration. Specifically, cell engraftment, incorporation into renal structures, or paracrine activities of embryonic or induced pluripotent stem cells as well as mesenchymal stem cells and renal precursors are analysed. We also discuss the relevance of stem cell secretome-derived bioproducts, including soluble factors and extracellular vesicles, and the option of using them as cell-free therapy to induce reparative processes. The translation of the experimental results into clinical trials is also addressed, highlighting the safety and feasibility of stem cell treatments in patients with kidney injury.
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Affiliation(s)
- Cinzia Rota
- Istituto di Ricerche Farmacologiche Mario Negri IRCCS, Centro Anna Maria Astori, Science and Technology Park Kilometro Rosso, Via Stezzano 87, 24126 Bergamo, Italy.
| | - Marina Morigi
- Istituto di Ricerche Farmacologiche Mario Negri IRCCS, Centro Anna Maria Astori, Science and Technology Park Kilometro Rosso, Via Stezzano 87, 24126 Bergamo, Italy.
| | - Barbara Imberti
- Istituto di Ricerche Farmacologiche Mario Negri IRCCS, Centro Anna Maria Astori, Science and Technology Park Kilometro Rosso, Via Stezzano 87, 24126 Bergamo, Italy.
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Gcm1 is involved in cell proliferation and fibrosis during kidney regeneration after ischemia-reperfusion injury. Sci Rep 2019; 9:7883. [PMID: 31133638 PMCID: PMC6536531 DOI: 10.1038/s41598-019-44161-y] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2018] [Accepted: 05/10/2019] [Indexed: 12/27/2022] Open
Abstract
In acute kidney injury (AKI), the S3 segment of the proximal tubule is particularly damaged, as it is most vulnerable to ischemia. However, this region is also involved in renal tubular regeneration. To deeply understand the mechanism of the repair process after ischemic injury in AKI, we focused on glial cells missing 1 (Gcm1), which is one of the genes expressed in the S3 segment. Gcm1 is essential for the development of the placenta, and Gcm1 knockout (KO) is embryonically lethal. Thus, the function of Gcm1 in the kidney has not been analyzed yet. We analyzed the function of Gcm1 in the kidney by specifically knocking out Gcm1 in the kidney. We created an ischemia-reperfusion injury (IRI) model to observe the repair process after AKI. We found that Gcm1 expression was transiently increased during the recovery phase of IRI. In Gcm1 conditional KO mice, during the recovery phase of IRI, tubular cell proliferation reduced and transforming growth factor-β1 expression was downregulated resulting in a reduction in fibrosis. In vitro, Gcm1 overexpression promoted cell proliferation and upregulated TGF-β1 expression. These findings indicate that Gcm1 is involved in the mechanisms of fibrosis and cell proliferation after ischemic injury of the kidney.
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Abstract
The number of individuals affected by acute kidney injury (AKI) and chronic kidney disease (CKD) is constantly rising. In light of the limited availability of treatment options and their relative inefficacy, cell based therapeutic modalities have been studied. However, not many efforts are put into safety evaluation of such applications. The aim of this study was to review the existing published literature on adverse events reported in studies with genetically modified cells for treatment of kidney disease. A systematic review was conducted by searching PubMed and EMBASE for relevant articles published until June 2018. The search results were screened and relevant articles selected using pre-defined criteria, by two researchers independently. After initial screening of 6894 abstracts, a total number of 97 preclinical studies was finally included for full assessment. Of these, 61 (63%) presented an inappropriate study design for the evaluation of safety parameters. Only 4 studies (4%) had the optimal study design, while 32 (33%) showed sub-optimal study design with either direct or indirect evidence of adverse events. The high heterogeneity of studies included regarding cell type and number, genetic modification, administration route, and kidney disease model applied, combined with the consistent lack of appropriate control groups, makes a reliable safety evaluation of kidney cell-based therapies impossible. Only a limited number of relevant studies included looked into essential safety-related outcomes, such as inflammatory (48%), tumorigenic and teratogenic potential (12%), cell biodistribution (82%), microbiological safety with respect to microorganism contamination and latent viruses' reactivation (1%), as well as overall well-being and animal survival (19%). In conclusion, for benign cell-based therapies, well-designed pre-clinical studies, including all control groups required and good manufacturing processes securing safety, need to be done early in development. Preferably, this should be performed side by side with efficacy evaluation and according to the official guidelines of leading health organizations.
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Kokura K, Kuromi Y, Endo T, Anzai N, Kazuki Y, Oshimura M, Ohbayashi T. A kidney injury molecule-1 (Kim-1) gene reporter in a mouse artificial chromosome: the responsiveness to cisplatin toxicity in immortalized mouse kidney S3 cells. J Gene Med 2018; 18:273-281. [PMID: 27591740 PMCID: PMC5095820 DOI: 10.1002/jgm.2925] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2016] [Revised: 08/29/2016] [Accepted: 08/29/2016] [Indexed: 02/05/2023] Open
Abstract
Background Kidney injury molecule‐1 (Kim‐1) has been validated as a urinary biomarker for acute and chronic renal damage. The expression of Kim‐1 mRNA is also activated by acute kidney injury induced by cisplatin in rodents and humans. To date, the measurement of Kim‐1 expression has not fully allowed the detection of in vitro cisplatin nephrotoxicity in immortalized culture cells, such as human kidney‐2 cells and immortalized proximal tubular epithelial cells. Methods We measured the augmentation of Kim‐1 mRNA expression after the addition of cisplatin using immortalized S3 cells established from the kidneys of transgenic mice harboring temperature‐sensitive large T antigen from Simian virus 40. Results A mouse Kim‐1 gene luciferase reporter in conjunction with an Hprt gene reporter detected cisplatin‐induced nephrotoxicity in S3 cells. These two reporter genes were contained in a mouse artificial chromosome, and two luciferases that emitted different wavelengths were used to monitor the respective gene expression. However, the Kim‐1 reporter gene failed to respond to cisplatin in A9 fibroblast cells that contained the same reporter mouse artificial chromosome, suggesting cell type‐specificity for activation of the reporter. Conclusions We report the feasibility of measuring in vitro cisplatin nephrotoxicity using a Kim‐1 reporter gene in S3 cells.
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Affiliation(s)
- Kenji Kokura
- Chromosome Engineering Research Center (CERC), Tottori University, Tottori, Japan.,Division of Human Genome Science, Department of Molecular and Cellular Biology, School of Life Sciences, Faculty of Medicine, Tottori University, Tottori, Japan
| | - Yasushi Kuromi
- Tottori Industrial Promotion Organization, Tottori, Tottori, Japan.,Division of Laboratory Animal Science, Research Center for Bioscience and Technology, Tottori University, Tottori, Japan
| | - Takeshi Endo
- Tottori Industrial Promotion Organization, Tottori, Tottori, Japan
| | - Naohiko Anzai
- Department of Pharmacology and Toxicology, Dokkyo Medical University School of Medicine, Tochigi, Japan.,Department of Pharmacology, Chiba University Graduate School of Medicine, Chiba, Japan
| | - Yasuhiro Kazuki
- Chromosome Engineering Research Center (CERC), Tottori University, Tottori, Japan
| | - Mitsuo Oshimura
- Chromosome Engineering Research Center (CERC), Tottori University, Tottori, Japan
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Sabetkish S, Sabetkish N, Talebi MA, Halimi S, Kajbafzadeh AM. The role of nonautologous and autologous adipose-derived mesenchymal stem cell in acute pyelonephritis. Cell Tissue Bank 2017; 19:301-309. [PMID: 29218427 DOI: 10.1007/s10561-017-9674-x] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2017] [Accepted: 12/02/2017] [Indexed: 01/22/2023]
Abstract
We compared the therapeutic effects of autologous and nonautologous adipose-derived mesenchymal stem cell (ADMSC), in ameliorating the renal function in a rabbit model of acute pyelonephritis. The difference of perirenal and neck subcutaneous ADMSCs were also evaluated. Twenty female rabbits were apportioned to 5 groups. In group I (n = 4), the rabbits were injected direct inoculation of Escherichia coli (E. coli) into the right kidney. In group II (n = 4), autologous ADMSCs obtained from nape adipose tissue were injected into the subcapsular space 1 week after E. coli injection, while nonautologous ADMSCs of the same origin (from male rabbits) were applied in group III (n = 4). In group IV (n = 4), autologous perirenal ADMSCs were applied with the same method, while perirenal nonautologous ADMSCs from male rabbits were used in group V (n = 4). Technetium-99m-DMSA renal scan was performed 1, 2 and 4 months post-injection in all groups. Kidneys were excised for the evaluation of histopathological changes in the same time points. PCR examination for detection of Y-chromosome (in group III and V) and fluorescent evaluation (in group II and IV) were also performed to determine the fate of injected cells. Injection of autologous ADMSCs resulted in more satisfactory outcomes in reduction of interstitial fibrosis, tubular, and glomerular atrophy as compared to nonautologous groups. However, histopathological ameliorations were significantly better in group IV in which autologous perirenal ADMSC was applied. Remarkably, two months after the injection, Technetium-99m-DMSA renal scan showed that right kidney reached to near normal cortical function (48 and 45%) in group IV and V, respectively as compared to groups II (41%) and III (37%). Autologous ADMSCs may have better results in cell therapy as compared to nonautologous cells. However, more satisfactory outcomes may be obtained when the cell source is selected from the surrounding adipose tissue.
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Affiliation(s)
- Shabnam Sabetkish
- Pediatric Urology and Regenerative Medicine Research Center, Section of Tissue Engineering and Stem Cells Therapy, Children's Hospital Medical Center, Tehran University of Medical Sciences, No. 62, Dr. Qarib's Street, Keshavarz Boulevard, Tehran, 1419433151, Islamic Republic of Iran
| | - Nastaran Sabetkish
- Pediatric Urology and Regenerative Medicine Research Center, Section of Tissue Engineering and Stem Cells Therapy, Children's Hospital Medical Center, Tehran University of Medical Sciences, No. 62, Dr. Qarib's Street, Keshavarz Boulevard, Tehran, 1419433151, Islamic Republic of Iran
| | - Mahba Ataei Talebi
- Pediatric Urology and Regenerative Medicine Research Center, Section of Tissue Engineering and Stem Cells Therapy, Children's Hospital Medical Center, Tehran University of Medical Sciences, No. 62, Dr. Qarib's Street, Keshavarz Boulevard, Tehran, 1419433151, Islamic Republic of Iran
| | - Shahnaz Halimi
- Department of Microbiology, School of Medicine, Tehran University of Medical Sciences, Tehran, Islamic Republic of Iran
| | - Abdol-Mohammad Kajbafzadeh
- Pediatric Urology and Regenerative Medicine Research Center, Section of Tissue Engineering and Stem Cells Therapy, Children's Hospital Medical Center, Tehran University of Medical Sciences, No. 62, Dr. Qarib's Street, Keshavarz Boulevard, Tehran, 1419433151, Islamic Republic of Iran.
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Mesenchymal Stem Cell-Based Therapies against Podocyte Damage in Diabetic Nephropathy. Tissue Eng Regen Med 2017; 14:201-210. [PMID: 30603477 DOI: 10.1007/s13770-017-0026-5] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2016] [Revised: 05/25/2016] [Accepted: 06/13/2016] [Indexed: 01/02/2023] Open
Abstract
Injury to podocytes is an early event in diabetic nephropathy leading to proteinuria with possible progression to end-stage renal failure. The podocytes are unique and highly specialized cells that cover the outer layer of kidney ultra-filtration barrier and play an important role in glomerular function. In the past few decades, adult stem cells, such as mesenchymal stem cells (MSCs) with a regenerative and differentiative capacity have been extensively used in cell-based therapies. In addition to their capability for regeneration and differentiation, MSCs contributes to their milieu by paracrine action of a series of growth factors via antiapoptotic, mitogenic and other cytokine actions that actively participate in treatment of podocyte damage through prevention of podocyte effacement, detachment and apoptosis. It is hoped that novel stem cell-based therapies will be developed in the future to prevent podocyte injury, thereby reducing the burden of kidney disease.
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Huling J, Yoo JJ. Comparing adult renal stem cell identification, characterization and applications. J Biomed Sci 2017; 24:32. [PMID: 28511675 PMCID: PMC5434527 DOI: 10.1186/s12929-017-0339-7] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2017] [Accepted: 05/03/2017] [Indexed: 12/27/2022] Open
Abstract
Despite growing interest and effort, a consensus has yet to be reached in regards to the identification of adult renal stem cells. Organ complexity and low turnover of renal cells has made stem cell identification difficult and lead to the investigation of multiple possible populations. In this review, we summarize the work that has been done toward finding and characterizing an adult renal stem cell population. In addition to giving a general overview of what has been done, we aim to highlight the variation in methods and outcomes. The methods used to locate potential stem cell populations can vary widely, but even within the relatively standard practice of BrdU labeling of slowly dividing cells, there are significant differences in protocols and results. Additional diversity exists in cell marker profiles and apparent differentiation potential seen in potential stem cell sources. Cataloging the variety of methods and outcomes seen so far may help to streamline future investigation and stear the field toward consensus. But even without firmly defined populations, the application of renal stem cells holds tantalizing potential. Populations of highly proliferative, multipotent cells of renal origin show the ability to engraft in injured kidneys, mitigate functional loss and occasionally show the ability to generate nephrons de novo. The progress toward regenerative medicine applications is also summarized.
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Affiliation(s)
- Jennifer Huling
- Wake Forest Institute for Regenerative Medicine, Wake Forest School of Medicine, Medical Center Boulevard, Winston-Salem, 27157, USA.
| | - James J Yoo
- Wake Forest Institute for Regenerative Medicine, Wake Forest School of Medicine, Medical Center Boulevard, Winston-Salem, 27157, USA
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31
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García-Domínguez X, Vicente JS, Vera-Donoso CD, Marco-Jimenez F. Current Bioengineering and Regenerative Strategies for the Generation of Kidney Grafts on Demand. Curr Urol Rep 2017; 18:2. [PMID: 28092070 DOI: 10.1007/s11934-017-0650-6] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Abstract
Currently in the USA, one name is added to the organ transplant waiting list every 15 min. As this list grows rapidly, fewer than one-third of waiting patients can receive matched organs from donors. Unfortunately, many patients who require a transplant have to wait for long periods of time, and many of them die before receiving the desired organ. In the USA alone, over 100,000 patients are waiting for a kidney transplant. However, it is a problem that affects around 6% of the word population. Therefore, seeking alternative solutions to this problem is an urgent work. Here, we review the current promising regenerative technologies for kidney function replacement. Despite many approaches being applied in the different ways outlined in this work, obtaining an organ capable of performing complex functions such as osmoregulation, excretion or hormone synthesis is still a long-term goal. However, in the future, the efforts in these areas may eliminate the long waiting list for kidney transplants, providing a definitive solution for patients with end-stage renal disease.
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Affiliation(s)
- Ximo García-Domínguez
- Instituto de Ciencia y Tecnología Animal, Universidad Politécnica de Valencia, C/Camino de Vera s/n, 46022, Valencia, Spain
| | - Jose S Vicente
- Instituto de Ciencia y Tecnología Animal, Universidad Politécnica de Valencia, C/Camino de Vera s/n, 46022, Valencia, Spain
| | - Cesar D Vera-Donoso
- Servicio de Urología, Hospital Universitari i Politècnic La Fe, Avinguda de Fernando Abril Martorell, 106, 46026, Valencia, Spain
| | - Francisco Marco-Jimenez
- Instituto de Ciencia y Tecnología Animal, Universidad Politécnica de Valencia, C/Camino de Vera s/n, 46022, Valencia, Spain.
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32
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Stem cell therapy: An emerging modality in glomerular diseases. Cytotherapy 2017; 19:333-348. [PMID: 28089754 DOI: 10.1016/j.jcyt.2016.11.003] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2016] [Revised: 09/17/2016] [Accepted: 11/03/2016] [Indexed: 12/12/2022]
Abstract
The kidney has been considered a highly terminally differentiated organ with low proliferative potential and thus unlikely to undergo regeneration. Glomerular disease progresses to end-stage renal disease (ESRD), which requires dialysis or renal transplantation for better quality of life for patients with ESRD. Because of the shortage of implantable kidneys and complications such as immune rejection, septicemia and toxicity of immunosuppression, kidney transplantation remains a challenge. Therapeutic options available for glomerular disease include symptomatic treatment and strategies to delay progression. In an attempt to develop innovative treatments by promoting the limited capability of regeneration and repair after kidney injury and overcome the progressive pathological process that is uncontrolled with conventional treatment modalities, stem cell-based therapy has emerged as novel intervention due to its ability to inhibit inflammation and promote regeneration. Recent developments in cell therapy have demonstrated promising therapeutic outcomes in terms of restoration of renal structure and function. This review focuses on stem cell therapy approaches for the treatment of glomerular disease, including the various cell sources used and recent advances in preclinical and clinical studies.
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33
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Toyohara T, Osafune K. Novel regenerative therapy for acute kidney injury. RENAL REPLACEMENT THERAPY 2016. [DOI: 10.1186/s41100-016-0052-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022] Open
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Chambers BE, Wingert RA. Renal progenitors: Roles in kidney disease and regeneration. World J Stem Cells 2016; 8:367-375. [PMID: 27928463 PMCID: PMC5120241 DOI: 10.4252/wjsc.v8.i11.367] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/28/2016] [Revised: 08/17/2016] [Accepted: 09/08/2016] [Indexed: 02/06/2023] Open
Abstract
Kidney disease is a devastating condition that affects millions of people worldwide, and its prevalence is predicted to significantly increase. The kidney is a complex organ encompassing many diverse cell types organized in a elaborate tissue architecture, making regeneration a challenging feat. In recent years, there has been a surge in the field of stem cell research to develop regenerative therapies for various organ systems. Here, we review some recent progressions in characterizing the role of renal progenitors in development, regeneration, and kidney disease in mammals. We also discuss how the zebrafish provides a unique experimental animal model that can provide a greater molecular and genetic understanding of renal progenitors, which may contribute to the development of potential regenerative therapies for human renal afflictions.
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Abstract
Worldwide, increasing numbers of patients are developing end-stage renal disease, and at present, the only treatment options are dialysis or kidney transplantation. Dialysis is associated with increased morbidity and mortality, poor life quality and high economic costs. Transplantation is by far the better option, but there are insufficient numbers of donor kidneys available. Therefore, there is an urgent need to explore alternative approaches. In this review, we discuss how this problem could potentially be addressed by using autologous cells and appropriate scaffolds to develop 'bioengineered' kidneys for transplantation. In particular, we will highlight recent breakthroughs in pluripotent stem cell biology that have led to the development of autologous renal progenitor cells capable of differentiating to all renal cell types and will discuss how these cells could be combined with appropriate scaffolds to develop a bioengineered kidney.
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Affiliation(s)
- Bettina Wilm
- Institute of Translational Medicine, Centre for Preclinical Imaging, University of Liverpool, Crown Street, Liverpool, L69 3BX UK
| | - Riccardo Tamburrini
- Department of Surgery, Section of Transplantation, Wake Forest School of Medicine,Wake Forest Baptist Hospital, Medical Center Blvd, Winston Salem, NC 27157 USA
| | - Giuseppe Orlando
- Department of Surgery, Section of Transplantation, Wake Forest School of Medicine,Wake Forest Baptist Hospital, Medical Center Blvd, Winston Salem, NC 27157 USA
| | - Patricia Murray
- Institute of Translational Medicine, Centre for Preclinical Imaging, University of Liverpool, Crown Street, Liverpool, L69 3BX UK
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A population of mitochondrion-rich cells in the pars recta of mouse kidney. Cell Tissue Res 2015; 363:791-803. [PMID: 26337515 DOI: 10.1007/s00441-015-2273-x] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2014] [Accepted: 08/04/2015] [Indexed: 01/08/2023]
Abstract
Following perfusion of adult mouse kidney with a solution of nitroblue tetrazolium (NBT), certain epithelial cells in the pars recta (S3) segments of proximal tubules react to form cytoplasmic deposits of blue diformazan particles. Such cells are characterized by dark cytoplasm, small and often elliptical nuclei, elaborate, process-bearing profiles, and abundant mitochondria. The atypical epithelial cells display the additional characteristic of immunoreactivity for a wide spectrum of antigens, including mesenchymal proteins such as vimentin. Though present in kidneys of untreated or sham-operated animals, they are particularly evident under experimental conditions such as unilateral ureteral obstruction (UUO), appearing in both contralateral and obstructed kidneys over the course of a week's duration, but disappearing from the obstructed kidney as it undergoes the profound atrophy attributable to deterioration of the population of its proximal tubules. The cells do not appear in neonatal kidneys, even those undergoing UUO, but begin to be recognizable soon after weaning (28 days). It is possible that diformazan-positive cells in the mouse S3 tubular segment constitute a resident population of cells that can replenish or augment the tubule. Although somewhat similar cells, with dark cytoplasm and vimentin expression, have been described in human, rat, and transgenic mouse kidney (Smeets et al. in J Pathol 229: 645-659, 2013; Berger et al. in Proc Natl Acad Sci U S A 111: 1533-1538, 2014), those cells-known as "scattered tubule cells" or "proximal tubule rare cells"- differ from the S3-specific cells in that they are present throughout the entire proximal tubule, often lack a brush border, and have only a few mitochondria.
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Bussolati B, Camussi G. Therapeutic use of human renal progenitor cells for kidney regeneration. Nat Rev Nephrol 2015; 11:695-706. [PMID: 26241019 DOI: 10.1038/nrneph.2015.126] [Citation(s) in RCA: 45] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
The ability of the human kidney to repair itself is limited. Consequently, repeated injury can trigger a maladaptive response that is characterized by fibrosis and loss of renal function. The transcription patterns that characterize nephrogenesis in fetal renal progenitor cells (RPCs) are only partially activated during renal repair in adults. Nevertheless, evidence suggests that segment-restricted progenitor resident cells support renal healing in adults. In this Review, we discuss the evidence for the existence of functional human RPCs in adults and their role in renal repair, and consider the controversial issue of whether RPCs are a fixed population or arise through phenotypical plasticity of tubular cells that is mediated by the microenvironment. We also discuss the strategies for generating renal progenitor cells from pluripotent stem cells or differentiated cells and their use in therapy. Finally, we examine preclinical data on the therapeutic use of human fetal cells, adult progenitor cells and adult renal cells.
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Affiliation(s)
- Benedetta Bussolati
- Department of Molecular Biotechnology and Health Sciences, University of Torino, Via Nizza 52, Torino 10126, Italy
| | - Giovanni Camussi
- Department of Medical Sciences, University of Torino, Via Nizza 52, Torino 10126, Italy
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Feng J, Hu W, Feng C, Mao X, Jin K, Ye Y. Increasing Proliferation of Intrinsic Tubular Cells after Renal Ischemia-reperfusion Injury in Adult Rat. Aging Dis 2015; 6:228-35. [PMID: 26236544 DOI: 10.14336/ad.2014.0917] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2013] [Revised: 09/11/2014] [Accepted: 09/17/2014] [Indexed: 02/02/2023] Open
Abstract
The kidney is capable of regeneration following injury. However, whether renal stem/progenitor cells contribute to the repair process after injury, as well as the origin of the cells that repair and replace damaged renal tubule cells remains debated. Therefore, better understanding of the repair process will be critical to developing new strategies for the treatment of acute renal failure. Using an ischemia-reperfusion injury mode and an immunocytochemistry method, we counted the number of BrdU-positive cells in damged regions at different durations of reperfusion. We found that BrdU, a cell proliferative marker, was mainly incorporated in the tubular cells of both medulla and cortex 1 day after reperfusion. The number of BrdU-positive cells reached a peak at 3 days and lasted for two months after injury. BrdU-positive cells were barely found in the renal glomerulus and the parietal layer of Bowman's capsule after injury, and only a few were found in the intersititium. PAX2, an embryonic renal marker, was also increased in renal tubule cells. Confocal images show that BrdU-positive cells co-expressed PAX2, but not the activated form of caspase-3, a cell death marker. Our data suggest that renal stem-like cells or dedifferentiation of surviving renal tubular cells in both the medulla and cortex may predominantly contribute to the repair process after renal ischemia-reperfusion injury in rat.
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Affiliation(s)
- Jian Feng
- Department of Nephrology, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Zhejiang 310016, China
| | - Weiming Hu
- Department of Nephrology, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Zhejiang 310016, China
| | - Chunyue Feng
- Department of Nephrology, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Zhejiang 310016, China
| | - XiaoOu Mao
- Buck Institute for Research on Aging, Novato, CA94945, USA
| | - Kunlin Jin
- Department of Pharmacology and Neuroscience, University of North Texas Health Science Center, Fort Worth, TX76107, USA
| | - Youxin Ye
- Department of Nephrology, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Zhejiang 310016, China
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Yao W, Hu Q, Ma Y, Xiong W, Wu T, Cao J, Wu D. Human adipose-derived mesenchymal stem cells repair cisplatin-induced acute kidney injury through antiapoptotic pathways. Exp Ther Med 2015; 10:468-476. [PMID: 26622339 PMCID: PMC4509364 DOI: 10.3892/etm.2015.2505] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2014] [Accepted: 01/05/2015] [Indexed: 01/22/2023] Open
Abstract
Cisplatin has been hypothesized to induce nephrotoxicity through triggering the apoptosis of tubular cells; however, the drug remains widely administered for the treatment of tumors. Recently, mesenchymal stem cells (MSCs) have been demonstrated to protect the kidney from the adverse effects induced by cisplatin. The aim of the present study was to investigate the mechanisms underlying the protective effects of human adipose-derived MSCs (AD-MSCs) on kidney function and tubular cells. Sprague-Dawley rats were divided into three groups, which included the healthy controls, those subjected to cisplatin-induced acute kidney injury (AKI) for 24 h without subsequent treatment and those subjected to cisplatin-induced AKI for 24 h, followed by AD-MSC engraftment. The rats were sacrificed at day 5 and the effects were analyzed using various methods, including biochemical analysis, structural examination and cell tracking experiments. In addition, an in vitro experiment with NRK-52E cells was performed. The cells were divided into three groups, including the healthy control, cisplatin induction and cisplatin induction with co-culture of AD-MSCs, and were subsequently assessed with a Transwell assay. After culture for four days, the cells were lysed and the total protein extract was subjected to western blot analysis. Cisplatin-induced renal dysfunction and tissue damage was shown to recover following AD-MSC infusion, although there were few AD-MSCs observed around the injured kidney tubules in the kidney. When the cisplatin-treated NRK-52E cells were co-cultured with AD-MSCs, the activation of p38 and BAX were inhibited, while the expression of Bcl-2 was upregulated, as compared with the cisplatin-treated NRK-52E cells that were not co-cultured. Therefore, AD-MSCs were shown to markedly improve cisplatin-induced renal failure and tubular cells necrosis through the secretion of certain factors, which subsequently inhibited the apoptosis pathway in vitro. It was hypothesized that AD-MSC secretion was triggered by the injured tubular cells. Thus, AD-MSCs may be important for the therapy of patients with renal injury due to their antiapoptotic capacity.
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Affiliation(s)
- Weiqi Yao
- Department of Biochemistry and Molecular Chemistry, School of Basic Medical Sciences, Wuhan University, Wuhan, Hubei 430071, P.R. China
| | - Qinyong Hu
- Department of Oncology, Ren Ming Hospital, Wuhan University, Wuhan, Hubei 430071, P.R. China
| | - Yuhong Ma
- Department of Biochemistry and Molecular Chemistry, School of Basic Medical Sciences, Wuhan University, Wuhan, Hubei 430071, P.R. China
| | - Wenping Xiong
- Department of Biochemistry and Molecular Chemistry, School of Basic Medical Sciences, Wuhan University, Wuhan, Hubei 430071, P.R. China
| | - Tingting Wu
- Department of Biochemistry and Molecular Chemistry, School of Basic Medical Sciences, Wuhan University, Wuhan, Hubei 430071, P.R. China
| | - Jun Cao
- Department of Biochemistry and Molecular Chemistry, School of Basic Medical Sciences, Wuhan University, Wuhan, Hubei 430071, P.R. China
| | - Dongcheng Wu
- Department of Biochemistry and Molecular Chemistry, School of Basic Medical Sciences, Wuhan University, Wuhan, Hubei 430071, P.R. China
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Lombardi D, Becherucci F, Romagnani P. How much can the tubule regenerate and who does it? An open question. Nephrol Dial Transplant 2015; 31:1243-50. [PMID: 26175143 PMCID: PMC4967725 DOI: 10.1093/ndt/gfv262] [Citation(s) in RCA: 42] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2015] [Accepted: 05/22/2015] [Indexed: 01/09/2023] Open
Abstract
The tubular compartment of the kidney is the primary site of a wide range of insults that can result in acute kidney injury (AKI), a condition associated with high mortality and an increased risk to develop end-stage renal disease. Nevertheless, kidney function is often quickly recovered after tubular injury. How this happens has only partially been unveiled. Indeed, although it has clearly been demonstrated that regenerated epithelial cells arise from survived intratubular cells, the true entity, as well as the cellular source of this regenerative process, remains mostly unknown. Is whichever proximal tubular epithelial cell able to dedifferentiate and divide to replace neighboring lost tubular cells, thus suggesting an extreme regenerative ability of residual tubular epithelium, or is the regenerative potential of tubular epithelium limited, and mostly related to a preexisting population of intratubular scattered progenitor cells which are more resistant to death? Gaining insights on how this process takes place is essential for developing new therapeutic strategies to prevent AKI, as well as AKI-related chronic kidney disease. The aim of this review is to discuss why the answers to these questions are still open, and how further investigations are needed to understand which is the true regenerative potential of the tubule and who are the players that allow functional recovery after AKI.
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Affiliation(s)
- Duccio Lombardi
- Excellence Centre for Research, Transfer and High Education for the Development of DE NOVO Therapies (DENOTHE), University of Florence, Florence, Italy
| | - Francesca Becherucci
- Nephrology and Dialysis Unit, Meyer Children's University Hospital, Florence, Italy
| | - Paola Romagnani
- Excellence Centre for Research, Transfer and High Education for the Development of DE NOVO Therapies (DENOTHE), University of Florence, Florence, Italy Nephrology and Dialysis Unit, Meyer Children's University Hospital, Florence, Italy Department of Clinical and Experimental Biomedical Sciences, University of Florence, Florence, Italy
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Abstract
INTRODUCTION Kidney diseases are a global public health problem whose incidence is rapidly growing due to a global rise in the aged population and the increasing prevalence of cardiovascular disease, hypertension and diabetes. With the emergence of stem cells as potential therapeutic agents, attempts in using them to significantly reduce the burden of these diseases have increased. AREAS COVERED Several types of stem cells have been proven to be likely candidates for treating kidney diseases. We discuss in detail the potential use of mesenchymal stem cells in preclinical and clinical works, with additional populations that have been studied briefly described. Moreover, we discuss current knowledge on endogenous kidney regeneration ability and on the possibility to modulate it using chemical and biological agents. EXPERT OPINION Stem cell therapy is a promising new treatment for kidney disease documented in many animal studies. Mesenchymal stem cells have emerged as a promising cell type, but their efficacy in clinical trials is still controversial. Identification of progenitor cells in the adult kidney is another step forward in regenerative medicine, suggesting the repair potential of the adult kidney and the possible modulation of renal progenitors in situ using pharmacological approaches.
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Affiliation(s)
- Elena Lazzeri
- a University of Florence; Excellence Centre for Research, Transfer and High Education for the Development of DE NOVO Therapies (DENOTHE) , Florence, Italy +390552758342 ; ;
| | - Paola Romagnani
- a University of Florence; Excellence Centre for Research, Transfer and High Education for the Development of DE NOVO Therapies (DENOTHE) , Florence, Italy +390552758342 ; ;
| | - Laura Lasagni
- a University of Florence; Excellence Centre for Research, Transfer and High Education for the Development of DE NOVO Therapies (DENOTHE) , Florence, Italy +390552758342 ; ;
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Novel treatment strategies for feline chronic kidney disease: A critical look at the potential of mesenchymal stem cell therapy. Vet J 2015; 204:241-6. [DOI: 10.1016/j.tvjl.2015.04.007] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2014] [Revised: 03/27/2015] [Accepted: 04/06/2015] [Indexed: 12/19/2022]
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Chung HC, Ko IK, Atala A, Yoo JJ. Cell-based therapy for kidney disease. Korean J Urol 2015; 56:412-21. [PMID: 26078837 PMCID: PMC4462630 DOI: 10.4111/kju.2015.56.6.412] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2015] [Accepted: 05/06/2015] [Indexed: 12/15/2022] Open
Abstract
The prevalence of renal disease continues to increase worldwide. When normal kidney is injured, the damaged renal tissue undergoes pathological and physiological events that lead to acute and chronic kidney diseases, which frequently progress to end stage renal failure. Current treatment of these renal pathologies includes dialysis, which is incapable of restoring full renal function. To address this issue, cell-based therapy has become a potential therapeutic option to treat renal pathologies. Recent development in cell therapy has demonstrated promising therapeutic outcomes, in terms of restoration of renal structure and function impaired by renal disease. This review focuses on the cell therapy approaches for the treatment of kidney diseases, including various cell sources used, as well recent advances made in preclinical and clinical studies.
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Affiliation(s)
- Hyun Chul Chung
- Wake Forest Institute for Regenerative Medicine, Wake Forest School of Medicine, Medical Center Boulevard, Winston-Salem, NC, USA. ; Department of Urology, Yonsei University Wonju College of Medicine, Wonju, Korea
| | - In Kap Ko
- Wake Forest Institute for Regenerative Medicine, Wake Forest School of Medicine, Medical Center Boulevard, Winston-Salem, NC, USA
| | - Anthony Atala
- Wake Forest Institute for Regenerative Medicine, Wake Forest School of Medicine, Medical Center Boulevard, Winston-Salem, NC, USA
| | - James J Yoo
- Wake Forest Institute for Regenerative Medicine, Wake Forest School of Medicine, Medical Center Boulevard, Winston-Salem, NC, USA
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Trophic Factors from Tissue Stem Cells for Renal Regeneration. Stem Cells Int 2015; 2015:537204. [PMID: 26089918 PMCID: PMC4452108 DOI: 10.1155/2015/537204] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2014] [Revised: 01/09/2015] [Accepted: 01/09/2015] [Indexed: 12/23/2022] Open
Abstract
Stem cell therapies against renal injury have been advancing. The many trials for renal regeneration are reported to be effective in many kinds of renal injury models. Regarding the therapeutic mechanism, it is believed that stem cells contribute to make regeneration via not only direct stem cell differentiation in the injured space but also indirect effect via secreted factors from stem cells. Direct differentiation from stem cells to renal composed cells has been reported. They differentiate to renal composed cells and make functions. However, regarding renal regeneration, stem cells are discussed to secrete many kinds of growth factors, cytokines, and chemokines in paracrine or autocrine manner, which protect against renal injury, too. In addition, it is reported that stem cells have the ability to communicate with nearby cells via microvesicle-related RNA and proteins. Taken together from many reports, many secreted factors from stem cells were needed for renal regeneration orchestrally with harmony. In this review, we focused on the effects and insights of stem cells and regenerative factors from stem cells.
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Diverse Cell Populations Involved in Regeneration of Renal Tubular Epithelium following Acute Kidney Injury. Stem Cells Int 2015; 2015:964849. [PMID: 26089922 PMCID: PMC4452180 DOI: 10.1155/2015/964849] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2014] [Accepted: 12/06/2014] [Indexed: 12/17/2022] Open
Abstract
Renal tubular epithelium has the capacity to regenerate, repair, and reepithelialize in response to a variety of insults. Previous studies with several kidney injury models demonstrated that various growth factors, transcription factors, and extracellular matrices are involved in this process. Surviving tubular cells actively proliferate, migrate, and differentiate in the kidney regeneration process after injury, and some cells express putative stem cell markers or possess stem cell properties. Using fate mapping techniques, bone marrow-derived cells and endothelial progenitor cells have been shown to transdifferentiate into tubular components in vivo or ex vivo. Similarly, it has been demonstrated that, during tubular cell regeneration, several inflammatory cell populations migrate, assemble around tubular cells, and interact with tubular cells during the repair of tubular epithelium. In this review, we describe recent advances in understanding the regeneration mechanisms of renal tubules, particularly the characteristics of various cell populations contributing to tubular regeneration, and highlight the targets for the development of regenerative medicine for treating kidney diseases in humans.
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Current Bioengineering Methods for Whole Kidney Regeneration. Stem Cells Int 2015; 2015:724047. [PMID: 26089921 PMCID: PMC4452081 DOI: 10.1155/2015/724047] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2014] [Revised: 01/13/2015] [Accepted: 01/13/2015] [Indexed: 02/07/2023] Open
Abstract
Kidney regeneration is likely to provide an inexhaustible source of tissues and organs for immunosuppression-free transplantation. It is currently garnering considerable attention and might replace kidney dialysis as the ultimate therapeutic strategy for renal failure. However, anatomical complications make kidney regeneration difficult. Here, we review recent advances in the field of kidney regeneration, including (i) the directed differentiation of induced pluripotent stem cells/embryonic stem cells into kidney cells; (ii) blastocyst decomplementation; (iii) use of a decellularized cadaveric scaffold; (iv) embryonic organ transplantation; and (v) use of a nephrogenic niche for growing xenoembryos for de novo kidney regeneration from stem cells. All these approaches represent potentially promising therapeutic strategies for the treatment of patients with chronic kidney disease. Although many obstacles to kidney regeneration remain, we hope that innovative strategies and reliable research will ultimately allow the restoration of renal function in patients with end-stage kidney disease.
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Hishikawa K, Takase O, Yoshikawa M, Tsujimura T, Nangaku M, Takato T. Adult stem-like cells in kidney. World J Stem Cells 2015; 7:490-494. [PMID: 25815133 PMCID: PMC4369505 DOI: 10.4252/wjsc.v7.i2.490] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/29/2014] [Revised: 10/31/2014] [Accepted: 12/10/2014] [Indexed: 02/06/2023] Open
Abstract
Human pluripotent cells are promising for treatment for kidney diseases, but the protocols for derivation of kidney cell types are still controversial. Kidney tissue regeneration is well confirmed in several lower vertebrates such as fish, and the repair of nephrons after tubular damages is commonly observed after renal injury. Even in adult mammal kidney, renal progenitor cell or system is reportedly presents suggesting that adult stem-like cells in kidney can be practical clinical targets for kidney diseases. However, it is still unclear if kidney stem cells or stem-like cells exist or not. In general, stemness is defined by several factors such as self-renewal capacity, multi-lineage potency and characteristic gene expression profiles. The definite use of stemness may be obstacle to understand kidney regeneration, and here we describe the recent broad findings of kidney regeneration and the cells that contribute regeneration.
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Endo T, Nakamura J, Sato Y, Asada M, Yamada R, Takase M, Takaori K, Oguchi A, Iguchi T, Higashi AY, Ohbayashi T, Nakamura T, Muso E, Kimura T, Yanagita M. Exploring the origin and limitations of kidney regeneration. J Pathol 2015; 236:251-63. [PMID: 25664690 DOI: 10.1002/path.4514] [Citation(s) in RCA: 48] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2014] [Revised: 01/12/2015] [Accepted: 02/03/2015] [Indexed: 11/11/2022]
Abstract
Epidemiological findings indicate that acute kidney injury (AKI) increases the risk for chronic kidney disease (CKD), although the molecular mechanism remains unclear. Genetic fate mapping demonstrated that nephrons, functional units in the kidney, are repaired by surviving nephrons after AKI. However, the cell population that repairs damaged nephrons and their repair capacity limitations remain controversial. To answer these questions, we generated a new transgenic mouse strain in which mature proximal tubules, the segment predominantly damaged during AKI, could be genetically labelled at desired time points. Using this strain, massive proliferation of mature proximal tubules is observed during repair, with no dilution of the genetic label after the repair process, demonstrating that proximal tubules are repaired mainly by their own proliferation. Furthermore, acute tubular injury caused significant shortening of proximal tubules associated with interstitial fibrosis, suggesting that proximal tubules have a limited capacity to repair. Understanding the mechanism of this limitation might clarify the mechanism of the AKI-to-CKD continuum.
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Affiliation(s)
- Tomomi Endo
- Department of Nephrology, Kyoto University Graduate School of Medicine, Kyoto, Japan.,Department of Nephrology and Dialysis, Kitano Hospital, Tazuke Kofukai Medical Research Institute, Osaka, Japan
| | - Jin Nakamura
- Department of Nephrology, Kyoto University Graduate School of Medicine, Kyoto, Japan
| | - Yuki Sato
- Department of Nephrology, Kyoto University Graduate School of Medicine, Kyoto, Japan
| | - Misako Asada
- Department of Nephrology, Kyoto University Graduate School of Medicine, Kyoto, Japan
| | - Ryo Yamada
- Department of Nephrology, Kyoto University Graduate School of Medicine, Kyoto, Japan
| | - Masayuki Takase
- Department of Nephrology, Kyoto University Graduate School of Medicine, Kyoto, Japan.,Development II, Pharmacology Research Laboratories II, Research Division, Mitsubishi Tanabe Pharma Corporation, Saitama, Japan
| | - Koji Takaori
- Department of Nephrology, Kyoto University Graduate School of Medicine, Kyoto, Japan
| | - Akiko Oguchi
- Department of Nephrology, Kyoto University Graduate School of Medicine, Kyoto, Japan
| | - Taku Iguchi
- Development II, Pharmacology Research Laboratories II, Research Division, Mitsubishi Tanabe Pharma Corporation, Saitama, Japan.,TMK Project, Kyoto University Graduate School of Medicine, Kyoto, Japan
| | - Atsuko Y Higashi
- Department of Pharmacology, Kansai Medical University, Osaka, Japan
| | - Tetsuya Ohbayashi
- Division of Laboratory Animal Science, Research Center for Bioscience and Technology, Tottori University, Tottori, Japan
| | | | - Eri Muso
- Department of Nephrology and Dialysis, Kitano Hospital, Tazuke Kofukai Medical Research Institute, Osaka, Japan
| | - Takeshi Kimura
- Department of Cardiovascular Medicine, Kyoto University Graduate School of Medicine, Kyoto, Japan
| | - Motoko Yanagita
- Department of Nephrology, Kyoto University Graduate School of Medicine, Kyoto, Japan
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Kitamura S, Sakurai H, Makino H. Single Adult Kidney Stem/Progenitor Cells Reconstitute Three-Dimensional Nephron Structures In Vitro. Stem Cells 2015; 33:774-84. [DOI: 10.1002/stem.1891] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2014] [Revised: 09/30/2014] [Accepted: 10/02/2014] [Indexed: 12/30/2022]
Affiliation(s)
- Shinji Kitamura
- Department of Medicine and Clinical Science; Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences; Okayama-shi Okayama Japan
| | - Hiroyuki Sakurai
- Department of Pharmacology and Toxicology; Kyorin University School of Medicine; Mitaka-shi Tokyo Japan
| | - Hirofumi Makino
- Department of Medicine and Clinical Science; Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences; Okayama-shi Okayama Japan
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