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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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Luo Y, Wang AT, Zhang QF, Liu RM, Xiao JH. RASL11B gene enhances hyaluronic acid-mediated chondrogenic differentiation in human amniotic mesenchymal stem cells via the activation of Sox9/ERK/smad signals. Exp Biol Med (Maywood) 2020; 245:1708-1721. [PMID: 32878463 DOI: 10.1177/1535370220944375] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
This study aimed to elucidate the molecular mechanisms, whereby hyaluronic acid, a main extracellular matrix component of articular cartilage, promotes the chondrogenic differentiation of human amniotic mesenchymal stem cells (hAMSCs). Our previous findings indicated that hyaluronic acid combined with hAMSCs showed a marked therapeutic effect against rat osteoarthritis. In the present study, hyaluronic acid markedly enhanced the expression of chondrocyte-specific markers including Col2α1, Acan, and Sox9 in hAMSCs, with strong synergistic effects on chondrogenic differentiation, in combination with the commonly used inducer, transforming growth factor β3 (TGF-β3). Microarray analysis showed that Ras-like protein family member 11B (RASL11B) played a pivotal role in the process of hyaluronic acid-mediated chondrogenesis of hAMSCs. This directional differentiation was significantly inhibited by RASL11B knockdown, but RASL11B overexpression dramatically promoted the expression of Sox9, a master chondrogenesis transcriptional factor, at the levels of transcription and translation. Increased Sox9 expression subsequently resulted in high expression levels of Col2α1 and Acan and the accumulation of cartilage-specific matrix components, such as type 2 collagen and glycosaminoglycans. Moreover, we observed that RASL11B activated the signal molecules such as ERK1/2, and Smad2/3 in the presence of hyaluronic acid during TGF-β3-induced chondrogenesis of hAMSCs. Taken together, these findings suggest that hyaluronic acid activates the RASL11B gene to potentiate the chondrogenic differentiation of hAMSCs via the activation of Sox9 and ERK/Smad signaling, thus providing a new strategy for cartilage defect repairing by hyaluronic acid-based stem cell therapy.
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Affiliation(s)
- Yi Luo
- Zunyi Municiptal Key Laboratory of Medicinal Biotechnology, Affiliated Hospital of Zunyi Medical University, Zunyi 563003, China.,Guizhou Research Center for Translational Medicine, Affiliated Hospital of Zunyi Medical University, Zunyi 563003, China
| | - Ai-Tong Wang
- Zunyi Municiptal Key Laboratory of Medicinal Biotechnology, Affiliated Hospital of Zunyi Medical University, Zunyi 563003, China
| | - Qing-Fang Zhang
- Zunyi Municiptal Key Laboratory of Medicinal Biotechnology, Affiliated Hospital of Zunyi Medical University, Zunyi 563003, China
| | - Ru-Ming Liu
- Zunyi Municiptal Key Laboratory of Medicinal Biotechnology, Affiliated Hospital of Zunyi Medical University, Zunyi 563003, China.,Guizhou Research Center for Translational Medicine, Affiliated Hospital of Zunyi Medical University, Zunyi 563003, China
| | - Jian-Hui Xiao
- Zunyi Municiptal Key Laboratory of Medicinal Biotechnology, Affiliated Hospital of Zunyi Medical University, Zunyi 563003, China.,Guizhou Research Center for Translational Medicine, Affiliated Hospital of Zunyi Medical University, Zunyi 563003, China
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3
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Fiedorowicz M, Khan MI, Strzemecki D, Orzeł J, Wełniak-Kamińska M, Sobiborowicz A, Wieteska M, Rogulski Z, Cheda L, Wargocka-Matuszewska W, Kilian K, Szczylik C, Czarnecka AM. Renal carcinoma CD105-/CD44- cells display stem-like properties in vitro and form aggressive tumors in vivo. Sci Rep 2020; 10:5379. [PMID: 32214151 PMCID: PMC7096525 DOI: 10.1038/s41598-020-62205-6] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2019] [Accepted: 03/10/2020] [Indexed: 12/15/2022] Open
Abstract
Clear cell renal cell carcinoma (ccRCC) is the most common kidney cancer. Prognosis for ccRCC is generally poor since it is largely resistant to chemo- and radiotherapy. Many studies suggested that cancer stem cells/tumor initiating cells (CSCs/TICs) are responsible for development of tumor, disease progression, aggressiveness, metastasis and drug resistance. However, tumorigenic potential of CSCs/TICs isolated from established RCC cell lines - basic ccRCC research model - has never been investigated in vivo. CD105+, CD105-, CD44+ and CD44- as well as CD44-/CD105- CD44+/CD105+ and CD44-/CD105+ cells were isolated from Caki-1 RCC cell line, confirming coexistence of multiple subpopulations of stem-related phenotype in stable cell line. Sorted cells were injected subcutaneously into NOD SCID mice and tumor growth was monitored with MRI and PET/CT. Tumor growth was observed after implantation of CD105+, CD44+, CD44-, CD44-/CD105+ and CD44-/CD105- but not CD105- or CD44+/CD105+. Implantation of CD44-/CD105- cells induced tumors that were characterized by longer T1 and distinct metabolic pattern than other tumors. All the tumors were characterized by low uptake of [18F]FDG. CD105+ and CD44- tumors expresses Nanog and Oct-4, while CD44- tumors additionally expressed endothelial cell marker - CD31.
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Affiliation(s)
- M Fiedorowicz
- Mossakowski Medical Research Centre, Polish Academy of Sciences, Warsaw, Poland.
| | - M I Khan
- Department of Oncology with Laboratory of Molecular Oncology, Military Institute of Medicine, Warsaw, Poland
- Department of Otolaryngology - Head & Neck Surgery, Western University, London, ON, N6A 3K7, Canada
| | - D Strzemecki
- Mossakowski Medical Research Centre, Polish Academy of Sciences, Warsaw, Poland
| | - J Orzeł
- Mossakowski Medical Research Centre, Polish Academy of Sciences, Warsaw, Poland
- Faculty of Electronics and Information Technology, Warsaw University of Technology, Warsaw, Poland
| | - M Wełniak-Kamińska
- Mossakowski Medical Research Centre, Polish Academy of Sciences, Warsaw, Poland
| | - A Sobiborowicz
- Faculty of Medicine, Medical University of Warsaw, Warsaw, Poland
- Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie Memorial Cancer Center and Institute of Oncology, Warsaw, Poland
| | - M Wieteska
- Mossakowski Medical Research Centre, Polish Academy of Sciences, Warsaw, Poland
- Faculty of Electronics and Information Technology, Warsaw University of Technology, Warsaw, Poland
| | - Z Rogulski
- Faculty of Chemistry, Biological and Chemical Research Centre, University of Warsaw, Warsaw, Poland
| | - L Cheda
- Faculty of Chemistry, Biological and Chemical Research Centre, University of Warsaw, Warsaw, Poland
| | - W Wargocka-Matuszewska
- Faculty of Chemistry, Biological and Chemical Research Centre, University of Warsaw, Warsaw, Poland
| | - K Kilian
- Heavy Ion Laboratory, Faculty of Physics, University of Warsaw, Warsaw, Poland
| | - C Szczylik
- Department of Oncology with Laboratory of Molecular Oncology, Military Institute of Medicine, Warsaw, Poland
- Department of Oncology, European Health Centre, Otwock, Poland
- Medical Center for Postgraduate Education, Warsaw, Poland
| | - A M Czarnecka
- Mossakowski Medical Research Centre, Polish Academy of Sciences, Warsaw, Poland
- Department of Oncology with Laboratory of Molecular Oncology, Military Institute of Medicine, Warsaw, Poland
- Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, Warsaw, Poland
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Ru nanoparticles coated with γ-Fe2O3 promoting and monitoring the differentiation of human mesenchymal stem cells via MRI tracking. Colloids Surf B Biointerfaces 2018; 170:701-711. [DOI: 10.1016/j.colsurfb.2018.05.041] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2018] [Revised: 05/17/2018] [Accepted: 05/18/2018] [Indexed: 01/13/2023]
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Weidenhamer NK, Moore DL, Lobo FL, Klair NT, Tranquillo RT. Influence of culture conditions and extracellular matrix alignment on human mesenchymal stem cells invasion into decellularized engineered tissues. J Tissue Eng Regen Med 2015; 9:605-18. [PMID: 25556358 PMCID: PMC4409517 DOI: 10.1002/term.1974] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2013] [Revised: 09/08/2014] [Accepted: 10/27/2014] [Indexed: 12/19/2022]
Abstract
The variables that influence the in vitro recellularization potential of decellularized engineered tissues, such as cell culture conditions and scaffold alignment, have yet to be explored. The goal of this work was to explore the influence of insulin and ascorbic acid and extracellular matrix (ECM) alignment on the recellularization of decellularized engineered tissue by human mesenchymal stem cells (hMSCs). Aligned and non-aligned tissues were created by specifying the geometry and associated mechanical constraints to fibroblast-mediated fibrin gel contraction and remodelling using circular and C-shaped moulds. Decellularized tissues (matrices) of the same alignment were created by decellularization with detergents. Ascorbic acid promoted the invasion of hMSCs into the matrices due to a stimulated increase in motility and proliferation. Invasion correlated with hyaluronic acid secretion, α-smooth muscle actin expression and decreased matrix thickness. Furthermore, hMSCs invasion into aligned and non-aligned matrices was not different, although there was a difference in cell orientation. Finally, we show that hMSCs on the matrix surface appear to differentiate toward a smooth muscle cell or myofibroblast phenotype with ascorbic acid treatment. These results inform the strategy of recellularizing decellularized engineered tissue with hMSCs.
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Affiliation(s)
- Nathan K Weidenhamer
- Department of Biomedical Engineering, University of Minnesota, Minneapolis, MN, USA
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Yen TH, Alison MR, Goodlad RA, Otto WR, Jeffery R, Cook HT, Wright NA, Poulsom R. Epidermal growth factor attenuates tubular necrosis following mercuric chloride damage by regeneration of indigenous, not bone marrow-derived cells. J Cell Mol Med 2014; 19:463-73. [PMID: 25389045 PMCID: PMC4407604 DOI: 10.1111/jcmm.12478] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2014] [Accepted: 10/02/2014] [Indexed: 12/27/2022] Open
Abstract
To assess effects of epidermal growth factor (EGF) and pegylated granulocyte colony-stimulating factor (P-GCSF; pegfilgrastim) administration on the cellular origin of renal tubular epithelium regenerating after acute kidney injury initiated by mercuric chloride (HgCl2 ). Female mice were irradiated and male whole bone marrow (BM) was transplanted into them. Six weeks later recipient mice were assigned to one of eight groups: control, P-GCSF+, EGF+, P-GCSF+EGF+, HgCl2 , HgCl2 +P-GCSF+, HgCl2 +EGF+ and HgCl2 +P-GCSF+EGF+. Following HgCl2 , injection tubular injury scores increased and serum urea nitrogen levels reached uraemia after 3 days, but EGF-treated groups were resistant to this acute kidney injury. A four-in-one analytical technique for identification of cellular origin, tubular phenotype, basement membrane and S-phase status revealed that BM contributed 1% of proximal tubular epithelium in undamaged kidneys and 3% after HgCl2 damage, with no effects of exogenous EGF or P-GCSF. Only 0.5% proximal tubular cells were seen in S-phase in the undamaged group kidneys; this increased to 7-8% after HgCl2 damage and to 15% after addition of EGF. Most of the regenerating tubular epithelium originated from the indigenous pool. BM contributed up to 6.6% of the proximal tubular cells in S-phase after HgCl2 damage, but only to 3.3% after additional EGF. EGF administration attenuated tubular necrosis following HgCl2 damage, and the major cause of this protective effect was division of indigenous cells, whereas BM-derived cells were less responsive. P-GCSF did not influence damage or regeneration.
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Affiliation(s)
- Tzung-Hai Yen
- Department of Nephrology and Division of Clinical Toxicology, Chang Gung Memorial Hospital and College of Medicine, Chang Gung University, Linkou, Taiwan; Histopathology Laboratory, Cancer Research UK, London Research Institute, London, UK; Barts and The London School of Medicine and Dentistry, Queen Mary University of London, London, UK
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Sun D, Junger WG, Yuan C, Zhang W, Bao Y, Qin D, Wang C, Tan L, Qi B, Zhu D, Zhang X, Yu T. Shockwaves induce osteogenic differentiation of human mesenchymal stem cells through ATP release and activation of P2X7 receptors. Stem Cells 2014; 31:1170-80. [PMID: 23404811 DOI: 10.1002/stem.1356] [Citation(s) in RCA: 100] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2012] [Revised: 01/13/2013] [Accepted: 01/29/2013] [Indexed: 12/11/2022]
Abstract
Shockwave treatment promotes bone healing of nonunion fractures. In this study, we investigated whether this effect could be due to adenosine 5'-triphosphate (ATP) release-induced differentiation of human mesenchymal stem cells (hMSCs) into osteoprogenitor cells. Cultured bone marrow-derived hMSCs were subjected to shockwave treatment and ATP release was assessed. Osteogenic differentiation and mineralization of hMSCs were evaluated by examining alkaline phosphatase activity, osteocalcin production, and calcium nodule formation. Expression of P2X7 receptors and c-fos and c-jun mRNA was determined with real-time reverse transcription polymerase chain reaction and Western blotting. P2X7-siRNA, apyrase, P2 receptor antagonists, and p38 MAPK inhibitors were used to evaluate the roles of ATP release, P2X7 receptors, and p38 MAPK signaling in shockwave-induced osteogenic hMSCs differentiation. Shockwave treatment released significant amounts (≈ 7 μM) of ATP from hMSCs. Shockwaves and exogenous ATP induced c-fos and c-jun mRNA transcription, p38 MAPK activation, and hMSC differentiation. Removal of ATP with apyrase, targeting of P2X7 receptors with P2X7-siRNA or selective antagonists, or blockade of p38 MAPK with SB203580 prevented osteogenic differentiation of hMSCs. Our findings indicate that shockwaves release cellular ATP that activates P2X7 receptors and downstream signaling events that caused osteogenic differentiation of hMSCs. We conclude that shockwave therapy promotes bone healing through P2X7 receptor signaling, which contributes to hMSC differentiation.
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Affiliation(s)
- Dahui Sun
- Department of Orthopedics, The First Norman Bethune Hospital of Jilin University, Changchun, People's Republic of China
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Qian H, Le Blanc K, Sigvardsson M. Primary mesenchymal stem and progenitor cells from bone marrow lack expression of CD44 protein. J Biol Chem 2012; 287:25795-807. [PMID: 22654106 DOI: 10.1074/jbc.m112.339622] [Citation(s) in RCA: 109] [Impact Index Per Article: 9.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023] Open
Abstract
Despite significant progress in our understanding of mesenchymal stem cell (MSC) biology during recent years, much of the information is based on experiments using in vitro culture-selected stromal progenitor cells. Therefore, the natural cellular identity of MSCs remains poorly defined. Numerous studies have reported that CD44 expression is one of the characteristics of MSCs in both humans and mice; however, we here have prospectively isolated bone marrow stromal cell subsets from both human and mouse bone marrow by flow cytometry and characterized them by gene expression analysis and function assays. Our data provide functional and molecular evidence suggesting that primary mesenchymal stem and progenitor cells of bone marrow reside in the CD44(-) cell fraction in both mice and humans. The finding that these CD44(-) cells acquire CD44 expression after in vitro culture provides an explanation for the previous misconceptions concerning CD44 expression on MSCs. In addition, the other previous reported MSC markers, including CD73, CD146, CD271, and CD106/VCAM1, are also differentially expressed on those two cell types. Our microarray data revealed a distinct gene expression profile of the freshly isolated CD44(-) cells and the cultured MSCs generated from these cells. Thus, we conclude that bone marrow MSCs physiologically lack expression of CD44, highlighting the natural phenotype of MSCs and opening new possibilities to prospectively isolate MSCs from the bone marrow.
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Affiliation(s)
- Hong Qian
- Department of Clinical and Experimental Medicine, Linköping University, SE-58185 Linköping, Sweden.
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Needham CJ, Williams AK, Chew SA, Kasper FK, Mikos AG. Engineering a polymeric gene delivery vector based on poly(ethylenimine) and hyaluronic acid. Biomacromolecules 2012; 13:1429-37. [PMID: 22455481 PMCID: PMC3351541 DOI: 10.1021/bm300145q] [Citation(s) in RCA: 46] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
In this work, the effects of primary amines, ligand targeting, and overall charge on the effectiveness of branched poly(ethylenimine)-hyaluronic acid conjugate (bPEI-HA) zwitterionic gene delivery vectors are investigated. To elucidate the relative importance of each of these parameters, we explored the zeta potential, cytotoxicity, and transfection efficiency for a variety of formulations of bPEI-HA. It was found that the length of the hyaluronic acid (HA) oligosaccharide had the most significant effect on cytotoxicity and transfection efficiency with human mesenchymal stem cells. Test groups of bPEI incorporating HA with a length of 10 saccharides had significantly higher transfection efficiency (14.6 ± 2.0%) and lower cytotoxicity than other formulations tested, with the cytotoxicity of the group containing the greatest mass of 10 saccharide showing similar results as the positive controls at the highest polymer concentration (100 μg/mL). Additionally, molar incorporation of HA, as opposed to the saccharide length and HA mass incorporation, had the greatest effect on zeta potential but a minor effect on both cytotoxicity and transfection efficiency. This work demonstrates the relative importance of each of these tunable design criteria when creating a zwitterionic polymeric gene delivery vector and provides useful specific information regarding the design of bPEI-HA gene delivery vectors.
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Affiliation(s)
- Clark J. Needham
- Department of Bioengineering, Rice University, Rice University, 6100 Main St, Houston, TX 77005
| | - Austin K. Williams
- Department of Biochemistry, Rice University, Rice University, 6100 Main St, Houston, TX 77005
| | - Sue Anne Chew
- Department of Bioengineering, Rice University, Rice University, 6100 Main St, Houston, TX 77005
| | - F. Kurtis Kasper
- Department of Bioengineering, Rice University, Rice University, 6100 Main St, Houston, TX 77005
| | - Antonios G. Mikos
- Department of Bioengineering, Rice University, Rice University, 6100 Main St, Houston, TX 77005
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Jiang D, Liang J, Noble PW. Hyaluronan as an immune regulator in human diseases. Physiol Rev 2011; 91:221-64. [PMID: 21248167 DOI: 10.1152/physrev.00052.2009] [Citation(s) in RCA: 747] [Impact Index Per Article: 57.5] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Accumulation and turnover of extracellular matrix components are the hallmarks of tissue injury. Fragmented hyaluronan stimulates the expression of inflammatory genes by a variety of immune cells at the injury site. Hyaluronan binds to a number of cell surface proteins on various cell types. Hyaluronan fragments signal through both Toll-like receptor (TLR) 4 and TLR2 as well as CD44 to stimulate inflammatory genes in inflammatory cells. Hyaluronan is also present on the cell surface of epithelial cells and provides protection against tissue damage from the environment by interacting with TLR2 and TLR4. Hyaluronan and hyaluronan-binding proteins regulate inflammation, tissue injury, and repair through regulating inflammatory cell recruitment, release of inflammatory cytokines, and cell migration. This review focuses on the role of hyaluronan as an immune regulator in human diseases.
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Affiliation(s)
- Dianhua Jiang
- Department of Medicine, Division of Pulmonary, Allergy, and Critical Care Medicine, Duke University School of Medicine, Durham, North Carolina 27710, USA.
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Chen Y, Qian H, Zhu W, Zhang X, Yan Y, Ye S, Peng X, Li W, Xu W. Hepatocyte growth factor modification promotes the amelioration effects of human umbilical cord mesenchymal stem cells on rat acute kidney injury. Stem Cells Dev 2010; 20:103-13. [PMID: 20446811 DOI: 10.1089/scd.2009.0495] [Citation(s) in RCA: 75] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
Human umbilical cord-derived mesenchymal stem cells (hucMSCs) are particularly attractive cells for cellular and gene therapy in acute kidney injury (AKI). Adenovirus-mediated gene therapy has been limited by immune reaction and target genes selection. However, in the present study, we investigated the therapeutic effects of hepatocyte growth factor modified hucMSCs (HGF-hucMSCs) in ischemia/reperfusion-induced AKI rat models. In vivo animal models were generated by subjecting to 60 min of bilateral renal injury by clamping the renal pedicles and then introduced HGF-hucMSCs via the left carotid artery. Our results revealed that serum creatinine and urea nitrogen levels decreased to the baseline more quickly in HGF-hucMSCs-treated group than that in hucMSCs- or green fluorescent protein-hucMSCs-treated groups at 72 h after injury. The percent of proliferating cell nuclear antigen-positive cells in HGF-hucMSCs-treated group was higher than that in the hucMSCs or green fluorescent protein-hucMSCs-treated groups. Moreover, injured renal tissues treated with HGF-hucMSCs also exhibited less hyperemia and renal tubule cast during the recovery process. Immunohistochemistry and living body imaging confirmed that HGF-hucMSCs localize to areas of renal injury. Real-time polymerase chain reaction result showed that HGF-hucMSCs also inhibited caspase-3 and interleukin-1β mRNA expression in injured renal tissues. Western blot also showed HGF-hucMSCs-treated groups had lower expression of interleukin-1β. Terminal deoxynucleotidyl transferase biotin-deoxyuridine triphosphate (dUTP) nick end labeling method indicated that HGF-hucMSCs-treated group had the least apoptosis cells. In conclusion, our findings suggest that HGF modification promotes the amelioration of ischemia/reperfusion-induced rat renal injury via antiapoptotic and antiinflammatory mechanisms; thus, providing a novel therapeutic application for hucMSCs in AKI.
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Affiliation(s)
- Yuan Chen
- Jiangsu University, Zhenjiang, People's Republic of China
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12
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CD44 expression in renal ischemia-reperfusion injury in rats. Int Urol Nephrol 2009; 41:791-4. [DOI: 10.1007/s11255-009-9542-0] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2008] [Accepted: 02/09/2009] [Indexed: 11/27/2022]
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Zhao H, Tanaka T, Mitlitski V, Heeter J, Balazs EA, Darzynkiewicz Z. Protective effect of hyaluronate on oxidative DNA damage in WI-38 and A549 cells. Int J Oncol 2008; 32:1159-67. [PMID: 18497977 DOI: 10.3892/ijo_32_6_1159] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Progressive DNA damage in live cells by oxidants is the key factor contributing to cell aging and preconditioning to neoplastic transformation. The strategies to slow aging or prevent cancer rely on protection of DNA from the damage. Since cells reside within intercellular matrix it is of interest to know whether matrix constituents possess properties of modulating oxidative DNA damage. We explored, therefore, the effect of hyaluronate (HA), the ubiquitous component of the matrix, on extent of DNA damage induced by exogenous and endogenously generated oxidants. WI-38 and A549 cells were exposed to 200 microM H2O2 in the absence or presence of HA and induction of histone H2AX phosphorylation and activation of ATM, the reporters of DNA damage, was assessed by multiparameter cytometry. Also explored was effect of HA on constitutive H2AX phosphorylation that reflects DNA damage caused by endogenous oxidants generated during aerobic metabolism. HA of average MW 5.4 million (high MW) and 2 million (medium MW) at 0.1% (w/v) in culture medium totally prevented the H2O2-induced H2AX phosphorylation in both cell types whereas effect of 60,000 average MW (low MW) HA was somewhat less pronounced. Constitutive H2AX phosphorylation in WI-38 cells growing in the presence of 0.1% HA of low MW and medium MW was reduced by about 35 and 30%, respectively; no reduction was observed in A549 cells. The data indicate that HA protected DNA from damage caused by the exogenous oxidant H2O2. In WI-38 fibroblasts, the cells that express the HA-receptor CD44, HA also protected DNA from damage caused by endogenous oxidants. We postulate that expression of CD44 in some cell types such as stem cells may provide the means to internalize HA by endocytosis and one of the functions of the internalized HA may be protection of DNA from oxidants. The mechanism of protective effect of HA may either: i) involve entrapment of iron ions thereby inhibiting the Fenton's reaction that produces secondary oxidative species, and/or: ii) directly scavenging of primary and secondary ROIs, as an antioxidant, resulting in HA degradation. Since no significant degradation of HA upon its exposure in tissue culture medium to H2O2 was detected the scavenging may occur intracellularly.
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Affiliation(s)
- Hong Zhao
- Brander Cancer Research Institute and Department of Pathology, New York Medical College, Valhalla, NY 10595, USA
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Vansthertem D, Caron N, Decleves AE, Cludts S, Gossiaux A, Nonclercq D, Flamion B, Legrand A, Toubeau G. Label-retaining cells and tubular regeneration in postischaemic kidney. Nephrol Dial Transplant 2008; 23:3786-97. [DOI: 10.1093/ndt/gfn412] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023] Open
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15
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Saraf A, Hacker MC, Sitharaman B, Grande-Allen KJ, Barry MA, Mikos AG. Synthesis and Conformational Evaluation of a Novel Gene Delivery Vector for Human Mesenchymal Stem Cells. Biomacromolecules 2008; 9:818-27. [DOI: 10.1021/bm701146f] [Citation(s) in RCA: 42] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Anita Saraf
- Department of Bioengineering, Rice University, MS-142, P.O. Box 1892, Houston, Texas 77251-1892, Department of Medicine, Mayo Clinic College of Medicine, Rochester, Minnesota 55905
| | - Michael C. Hacker
- Department of Bioengineering, Rice University, MS-142, P.O. Box 1892, Houston, Texas 77251-1892, Department of Medicine, Mayo Clinic College of Medicine, Rochester, Minnesota 55905
| | - Balaji Sitharaman
- Department of Bioengineering, Rice University, MS-142, P.O. Box 1892, Houston, Texas 77251-1892, Department of Medicine, Mayo Clinic College of Medicine, Rochester, Minnesota 55905
| | - K. Jane Grande-Allen
- Department of Bioengineering, Rice University, MS-142, P.O. Box 1892, Houston, Texas 77251-1892, Department of Medicine, Mayo Clinic College of Medicine, Rochester, Minnesota 55905
| | - Michael A. Barry
- Department of Bioengineering, Rice University, MS-142, P.O. Box 1892, Houston, Texas 77251-1892, Department of Medicine, Mayo Clinic College of Medicine, Rochester, Minnesota 55905
| | - Antonios G. Mikos
- Department of Bioengineering, Rice University, MS-142, P.O. Box 1892, Houston, Texas 77251-1892, Department of Medicine, Mayo Clinic College of Medicine, Rochester, Minnesota 55905
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