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Zhou XJ, Xu HM, Huang GS, Lin BR. Nasopharyngeal carcinoma derived exosomes regulate the proliferation and migration of nasopharyngeal carcinoma cells by mediating the miR-99a-5p BAZ2A axis. Braz J Otorhinolaryngol 2024; 90:101343. [PMID: 37925811 PMCID: PMC10654546 DOI: 10.1016/j.bjorl.2023.101343] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2023] [Revised: 09/17/2023] [Accepted: 10/02/2023] [Indexed: 11/07/2023] Open
Abstract
OBJECTIVES Nasopharyngeal Carcinoma (NPC) is a common malignant tumor of nasopharyngeal mucosal epithelium in clinical practice. Radiotherapy and chemotherapy are the main treatment methods at present, but the therapeutic effect is still unsatisfactory. Studies have shown that exosomes and microRNAs (miRNAs) play an important role in the development of cancer. Therefore, this study aimed to investigate the effects of NPC derived exosomes on NPC and their molecular mechanisms. METHODS Serum was collected from healthy subjects, Epstein-Barr Virus (EBV) infected patients and NPC patients (n = 9 group) and exosomes were extracted separately. High-throughput sequencing of exosomes was performed to screen differentially expressed miRNAs. The function of the screened miRNA was identified by treating NPC cells with exosomes. The target gene of miRNA was identified using the dual-luciferase assay. Real-Time quantitative Polymerase Chain Reaction (RT-qPCR) was used to determine the levels of miR-99a-5p and Bromodomain Adjacent Tozinc finger domain protein 2A (BAZ2A). Cell Counting Kit-8 assay, flow cytometry, and wound healing assay were utilized to detect cell viability, cell cycle and apoptosis, and migration ability. The protein levels were evaluated by Western blot. RESULTS MiR-99a-5p was identified as the most significant differentially expressed miRNA in exosomes (p < 0.05). The proliferation and migration of NPC cells were extremely facilitated by exosomes, accompanied by the suppressed apoptosis, upregulated BAZ2A, Monocyte Chemotactic Protein-1 (MCP1), and Vascular Endothelial Growth Factor A (VEGFA), and downregulation of Interleukin (IL)-1β and Nuclear Transcription Factor-κB (NF-κB) (p < 0.05). BAZ2A was a target gene of miR-99a-5p. Furthermore, the regulatory effect of exosomes on the proliferation, migration, and apoptosis was significantly abolished by overexpression of miR-99a-5p or downregulation of BAZ2A (p < 0.05). CONCLUSION NPC derived exosomes facilitated the proliferation and migration of NPC through regulating the miR-99a-5p/BAZ2A axis.
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Affiliation(s)
- Xiao-Jun Zhou
- Integrated Hospital of Traditional Chinese Medicine of Southern Medical University, Department of Otolaryngology, Guangzhou, China.
| | - Hang-Min Xu
- Zhongshan Traditional Chinese Medicine Hospital Affiliated to Guangzhou University of Chinese Medicine, Zhongshan, China
| | - Guo-Sen Huang
- Zhongshan Traditional Chinese Medicine Hospital Affiliated to Guangzhou University of Chinese Medicine, Zhongshan, China
| | - Bao-Rui Lin
- Zhongshan Traditional Chinese Medicine Hospital Affiliated to Guangzhou University of Chinese Medicine, Zhongshan, China
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Glasstetter LM, Oderinde TS, Mirchandani M, Rajagopalan KS, Barsom SH, Thaler R, Siddiqi S, Zhu XY, Tang H, Jordan KL, Saadiq IM, van Wijnen AJ, Eirin A, Lerman LO. Obesity and dyslipidemia are associated with partially reversible modifications to DNA hydroxymethylation of apoptosis- and senescence-related genes in swine adipose-derived mesenchymal stem/stromal cells. Stem Cell Res Ther 2023; 14:143. [PMID: 37231414 PMCID: PMC10214739 DOI: 10.1186/s13287-023-03372-x] [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: 06/16/2022] [Accepted: 05/09/2023] [Indexed: 05/27/2023] Open
Abstract
BACKGROUND Obesity dysregulates key biological processes underlying the functional homeostasis, fate decisions, and reparative potential of mesenchymal stem/stromal cells (MSCs). Mechanisms directing obesity-induced phenotypic alterations in MSCs remain unclear, but emerging drivers include dynamic modification of epigenetic marks, like 5-hydroxymethylcytosine (5hmC). We hypothesized that obesity and cardiovascular risk factors induce functionally relevant, locus-specific changes in 5hmC of swine adipose-derived MSCs and evaluated their reversibility using an epigenetic modulator, vitamin-C. METHODS Female domestic pigs were fed a 16-week Lean or Obese diet (n = 6 each). MSCs were harvested from subcutaneous adipose tissue, and 5hmC profiles were examined through hydroxymethylated DNA immunoprecipitation sequencing (hMeDIP-seq) followed by an integrative (hMeDIP and mRNA sequencing) gene set enrichment analysis. For clinical context, we compared 5hmC profiles of adipose tissue-derived human MSCs harvested from patients with obesity and healthy controls. RESULTS hMeDIP-seq revealed 467 hyper- (fold change ≥ 1.4; p-value ≤ 0.05) and 591 hypo- (fold change ≤ 0.7; p-value ≤ 0.05) hydroxymethylated loci in swine Obese- versus Lean-MSCs. Integrative hMeDIP-seq/mRNA-seq analysis identified overlapping dysregulated gene sets and discrete differentially hydroxymethylated loci with functions related to apoptosis, cell proliferation, and senescence. These 5hmC changes were associated with increased senescence in cultured MSCs (p16/CDKN2A immunoreactivity, senescence-associated β-galactosidase [SA-β-Gal] staining), were partly reversed in swine Obese-MSCs treated with vitamin-C, and shared common pathways with 5hmC changes in human Obese-MSCs. CONCLUSIONS Obesity and dyslipidemia are associated with dysregulated DNA hydroxymethylation of apoptosis- and senescence-related genes in swine and human MSCs, potentially affecting cell vitality and regenerative functions. Vitamin-C may mediate reprogramming of this altered epigenomic landscape, providing a potential strategy to improve the success of autologous MSC transplantation in obese patients.
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Affiliation(s)
- Logan M Glasstetter
- Division of Nephrology and Hypertension, Mayo Clinic, 200 First Street SW, Rochester, MN, 55905, USA
| | - Tomiwa S Oderinde
- Division of Nephrology and Hypertension, Mayo Clinic, 200 First Street SW, Rochester, MN, 55905, USA
| | - Mohit Mirchandani
- Division of Nephrology and Hypertension, Mayo Clinic, 200 First Street SW, Rochester, MN, 55905, USA
| | | | - Samer H Barsom
- Division of Nephrology and Hypertension, Mayo Clinic, 200 First Street SW, Rochester, MN, 55905, USA
| | - Roman Thaler
- Department of Orthopedic Surgery, Mayo Clinic, Rochester, MN, USA
| | - Sarosh Siddiqi
- Division of Nephrology and Hypertension, Mayo Clinic, 200 First Street SW, Rochester, MN, 55905, USA
| | - Xiang-Yang Zhu
- Division of Nephrology and Hypertension, Mayo Clinic, 200 First Street SW, Rochester, MN, 55905, USA
| | - Hui Tang
- Division of Nephrology and Hypertension, Mayo Clinic, 200 First Street SW, Rochester, MN, 55905, USA
| | - Kyra L Jordan
- Division of Nephrology and Hypertension, Mayo Clinic, 200 First Street SW, Rochester, MN, 55905, USA
| | - Ishran M Saadiq
- Division of Nephrology and Hypertension, Mayo Clinic, 200 First Street SW, Rochester, MN, 55905, USA
| | | | - Alfonso Eirin
- Division of Nephrology and Hypertension, Mayo Clinic, 200 First Street SW, Rochester, MN, 55905, USA
| | - Lilach O Lerman
- Division of Nephrology and Hypertension, Mayo Clinic, 200 First Street SW, Rochester, MN, 55905, USA.
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Wang Y, Liu T, Jiao G, Lv Y, Piao C, Lu X, Ma H, Wang H. Exosomes from adipose-derived mesenchymal stem cells can attenuate liver injury caused by minimally invasive hemihepatectomy combined with ischemia-reperfusion in minipigs by modulating the endoplasmic reticulum stress response. Life Sci 2023; 321:121618. [PMID: 36966916 DOI: 10.1016/j.lfs.2023.121618] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2023] [Revised: 03/14/2023] [Accepted: 03/20/2023] [Indexed: 03/31/2023]
Abstract
AIMS Hepatic ischemia-reperfusion injury (IRI) impairs postoperative recovery of liver function after liver resection or transplantation. It is crucial to minimize liver injury during surgery in order to improve patient survival and quality of life. The aim of this study was to explore the therapeutic efficacy of exosomes from adipose-derived mesenchymal stem cells (ADSCs-exo) against hepatectomy combined with IRI injury and compare that with the effect of adipose-derived mesenchymal stem cells (ADSCs). MAIN METHOD Minimally invasive hemihepatectomy combined with hepatic IRI was established in minipigs. A single dose of ADSCs-exo, ADSCs or PBS was injected through the portal vein. The histopathological features and function of the liver, and the oxidative stress levels, endoplasmic reticulum (ER) ultrastructure and ER stress (ERS) response were analyzed pre- and postoperatively. KEY FINDINGS ADSCs-exo alleviated the histopathological injuries and ultrastructural changes in the ER, and significantly improved ALP, TP and CAT levels. Furthermore, ADSCs-exo treatment also downregulated ERS-related factors such as GRP78, ATF6, IRE1α/XBP1, PERK/eIF2α/ATF4, JNK and CHOP. The therapeutic effects of ADSCs-exo and ADSCs were similar. SIGNIFICANCE Intravenous administration of a single dose of ADSCs-exo is a novel cell-free therapeutic approach to improve surgery-related liver injury. Our findings provide evidence of the paracrine effect of ADSCs and an experimental basis for treating liver injury with ADSCs-exo instead of ADSCs.
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Affiliation(s)
- Yue Wang
- College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, PR China
| | - Tao Liu
- College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, PR China
| | - Guangming Jiao
- College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, PR China
| | - Yingguang Lv
- College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, PR China
| | - Chenxi Piao
- College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, PR China
| | - Xiangyu Lu
- College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, PR China
| | - Haiyang Ma
- College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, PR China
| | - Hongbin Wang
- College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, PR China.
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Yu S, Klomjit N, Jiang K, Zhu XY, Ferguson CM, Conley SM, Obeidat Y, Kellogg TA, McKenzie T, Heimbach JK, Lerman A, Lerman LO. Human Obesity Attenuates Cardioprotection Conferred by Adipose Tissue-Derived Mesenchymal Stem/Stromal Cells. J Cardiovasc Transl Res 2023; 16:221-232. [PMID: 35616881 DOI: 10.1007/s12265-022-10279-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/17/2022] [Accepted: 05/17/2022] [Indexed: 12/15/2022]
Abstract
To explore the impact of obesity on reparative potency of adipose tissue-derived mesenchymal stromal/stem cells (A-MSC) in hypertensive cardiomyopathy, A-MSC were harvested from subcutaneous fat of obese and age-matched non-obese human subjects during bariatric or kidney donation surgeries, and then injected into mice 2 weeks after inducing renovascular hypertension (RVH) or sham surgery. Two weeks later, left ventricular (LV) function and deformation were estimated in vivo by micro-magnetic resonance imaging and myocardial damage ex vivo. Blood pressure and myocardial wall thickening were elevated in RVH + Vehicle and normalized only by lean-A-MSC. Both A-MSC types reduced LV mass and normalized the reduced LV peak strain radial in RVH, yet obese-A-MSC also impaired LV systolic function. A-MSC alleviated myocardial tissue damage in RVH, but lean-A-MSC decreased oxidative stress more effectively. Obese-A-MSC also showed increased cellular inflammation in vitro. Therefore, obese-A-MSC are less effective than lean-A-MSC in blunting hypertensive cardiomyopathy in mice with RVH.
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Affiliation(s)
- Shasha Yu
- Division of Nephrology and Hypertension, Mayo Clinic, 200 First St SW, Rochester, MN, 55905, USA
- Department of Cardiology, First Hospital of China Medical University, Shenyang, Liaoning, China
| | - Nattawat Klomjit
- Division of Nephrology and Hypertension, Mayo Clinic, 200 First St SW, Rochester, MN, 55905, USA
| | - Kai Jiang
- Division of Nephrology and Hypertension, Mayo Clinic, 200 First St SW, Rochester, MN, 55905, USA
| | - Xiang Y Zhu
- Division of Nephrology and Hypertension, Mayo Clinic, 200 First St SW, Rochester, MN, 55905, USA
| | - Christopher M Ferguson
- Division of Nephrology and Hypertension, Mayo Clinic, 200 First St SW, Rochester, MN, 55905, USA
| | - Sabena M Conley
- Division of Nephrology and Hypertension, Mayo Clinic, 200 First St SW, Rochester, MN, 55905, USA
| | - Yasin Obeidat
- Division of Nephrology and Hypertension, Mayo Clinic, 200 First St SW, Rochester, MN, 55905, USA
| | | | | | | | - Amir Lerman
- Department of Cardiovascular Medicine, Mayo Clinic, Rochester, MN, USA
| | - Lilach O Lerman
- Division of Nephrology and Hypertension, Mayo Clinic, 200 First St SW, Rochester, MN, 55905, USA.
- Department of Cardiovascular Medicine, Mayo Clinic, Rochester, MN, USA.
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Siddiqi S, Klomjit N, Jiang K, Conley SM, Zhu X, Saadiq IM, Ferguson CM, Tang H, Lerman A, Lerman LO. Efficacy of Human Embryonic Stem Cells Compared to Adipose Tissue-Derived Human Mesenchymal Stem/Stromal Cells for Repair of Murine Post-Stenotic Kidneys. Stem Cell Rev Rep 2023; 19:491-502. [PMID: 36048327 PMCID: PMC9905277 DOI: 10.1007/s12015-022-10443-8] [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] [Accepted: 08/08/2022] [Indexed: 02/07/2023]
Abstract
Clinical translation of mesenchymal stem/stromal cell (MSC) therapy has been impeded by the heterogenous nature and limited replicative potential of adult-derived MSCs. Human embryonic stem cell-derived MSCs (hESC-MSCs) that differentiate from immortal cell lines are phenotypically uniform and have shown promise in-vitro and in many disease models. Similarly, adipose tissue-derived MSCs (MSC(AT)) possess potent reparative properties. How these two cell types compare in efficacy, however, remains unknown. We randomly assigned mice to six groups (n = 7-8 each) that underwent unilateral RAS or a sham procedure (3 groups each). Two weeks post-operation, each mouse was administered either vehicle, MSC(AT)s, or hESC-MSCs (5 × 105 cells) into the aorta. Mice were scanned with micro-MRI to determine renal hemodynamics two weeks later and kidneys then harvested. hESC-MSCs and MSC(AT)s were similarly effective at lowering systolic blood pressure. However, MSC(AT)s more robustly increased renal perfusion, oxygenation, and glomerular filtration rate in the post-stenotic kidney, and more effectively mitigated tubular injury, fibrosis, and vascular remodeling. These observations suggest that MSC(AT) are more effective than hESC-MSC in ameliorating kidney dysfunction and tissue injury distal to RAS. Our findings highlight the importance of tissue source in selection of MSCs for therapeutic purposes and underscore the utility of cell-based therapy for kidney disease.
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Affiliation(s)
- Sarosh Siddiqi
- Division of Nephrology and Hypertension, Mayo Clinic, 200 First Street SW, 55905, Rochester, MN, USA
| | - Nattawat Klomjit
- Division of Nephrology and Hypertension, Mayo Clinic, 200 First Street SW, 55905, Rochester, MN, USA
- Division of Nephrology and Hypertension, University of Minnesota, Minneapolis, MN, USA
| | - Kai Jiang
- Division of Nephrology and Hypertension, Mayo Clinic, 200 First Street SW, 55905, Rochester, MN, USA
| | - Sabena M Conley
- Division of Nephrology and Hypertension, Mayo Clinic, 200 First Street SW, 55905, Rochester, MN, USA
| | - Xianyang Zhu
- Division of Nephrology and Hypertension, Mayo Clinic, 200 First Street SW, 55905, Rochester, MN, USA
| | - Ishran M Saadiq
- Division of Nephrology and Hypertension, Mayo Clinic, 200 First Street SW, 55905, Rochester, MN, USA
| | - Christopher M Ferguson
- Division of Nephrology and Hypertension, Mayo Clinic, 200 First Street SW, 55905, Rochester, MN, USA
| | - Hui Tang
- Division of Nephrology and Hypertension, Mayo Clinic, 200 First Street SW, 55905, Rochester, MN, USA
| | - Amir Lerman
- Department of Cardiovascular Disease, Mayo Clinic, Rochester, MN, USA
| | - Lilach O Lerman
- Division of Nephrology and Hypertension, Mayo Clinic, 200 First Street SW, 55905, Rochester, MN, USA.
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Garcia G, Oliveira R, Dariolli R, Rudge M, Barbosa A, Floriano J, Ribeiro-Paes J. Isolation and characterization of farm pig adipose tissue-derived mesenchymal stromal/stem cells. Braz J Med Biol Res 2022; 55:e12343. [PMID: 36477953 PMCID: PMC9728630 DOI: 10.1590/1414-431x2022e12343] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2022] [Accepted: 10/17/2022] [Indexed: 12/03/2022] Open
Abstract
Adipose tissue-derived mesenchymal stromal/stem cells (ASCs) are considered important tools in regenerative medicine and are being tested in several clinical studies. Porcine models are frequently used to obtain adipose tissue, due to the abundance of material and because they have immunological and physiological similarities with humans. However, it is essential to understand the effects and safe application of ASCs from pigs (pASCs) as an alternative therapy for diseases. Although minipigs are easy-to-handle animals that require less food and space, acquiring and maintaining them in a bioterium can be costly. Thus, we present a protocol for the isolation and proliferation of ASCs isolated from adipose tissue of farm pigs. Adipose tissue samples were extracted from the abdominal region of the animals. Because the pigs were not raised in a controlled environment, such as a bioterium, it was necessary to carry out rigorous procedures for disinfection. After this procedure, cells were isolated by mechanical dissociation and enzymatic digestion. A proliferation curve was performed and used to calculate the doubling time of the population. The characterization of pASCs was performed by immunophenotyping and cell differentiation in osteogenic and adipogenic lineages. The described method was efficient for the isolation and cultivation of pASCs, maintaining cellular attributes, such as surface antigens and multipotential differentiation during in vitro proliferation. This protocol presents the isolation and cultivation of ASCs from farm pig as an alternative for the isolation and cultivation of ASCs from minipigs, which require strictly controlled maintenance conditions and a more expensive process.
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Affiliation(s)
- G.A. Garcia
- Departamento de Biotecnologia, Faculdade de Ciências e Letras, Universidade Estadual Paulista, Assis, SP, Brasil
| | - R.G. Oliveira
- Departamento de Biotecnologia, Faculdade de Ciências e Letras, Universidade Estadual Paulista, Assis, SP, Brasil,Instituto de Ciências Biomédicas, Universidade de São Paulo, São Paulo, SP, Brasil
| | - R. Dariolli
- Laboratório de Genética e Cardiologia Molecular, Instituto do Coração, São Paulo, SP, Brasil,Department of Pharmacological Sciences, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - M.V.C. Rudge
- Departamento de Ginecologia e Obstetrícia, Faculdade de Medicina, Universidade Estadual Paulista, Botucatu, SP, Brasil
| | - A.M.P. Barbosa
- Departamento de Fisioterapia e Terapia Ocupacional, Faculdade de Filosofia e Ciências, Universidade Estadual Paulista, Marília, SP, Brasil
| | - J.F. Floriano
- Departamento de Ginecologia e Obstetrícia, Faculdade de Medicina, Universidade Estadual Paulista, Botucatu, SP, Brasil
| | - J.T. Ribeiro-Paes
- Departamento de Biotecnologia, Faculdade de Ciências e Letras, Universidade Estadual Paulista, Assis, SP, Brasil,Instituto de Ciências Biomédicas, Universidade de São Paulo, São Paulo, SP, Brasil
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Exosomes Derived from Adipose Mesenchymal Stem Cells Carrying miRNA-22-3p Promote Schwann Cells Proliferation and Migration through Downregulation of PTEN. DISEASE MARKERS 2022; 2022:7071877. [PMID: 36148159 PMCID: PMC9489425 DOI: 10.1155/2022/7071877] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/17/2022] [Accepted: 07/15/2022] [Indexed: 11/28/2022]
Abstract
Peripheral nerve injury (PNI) is often resulting from trauma, which leads to severe and permanently disability. Schwann cells are critical for facilitating the regeneration process after PNI. Adipose-derived mesenchymal stem cells (ADSCs) exosomes have been used as a novel treatment for peripheral nerve injury. However, the underlying mechanism remains unclear. In this study, we isolated ADSCs and extracted exosomes, which were verified by transmission electron microscopy (TEM), nanoparticle tracking analysis (NTA), and western blot (WB). Cocultured with Dorsal Root Ganglion (DRG) and Schwann cells (SCs) to evaluate the effect of exosomes on the growth of DRG axons by immunofluorescence, and the proliferation and migration of SCs by CCK8 and Transwell assays, respectively. Through exosomal miRNA sequencing and bioinformatic analysis, the related miRNAs and target gene were predicted and identified by dual luciferase assay. Related miRNAs were overexpressed and inhibited, respectively, to clarify their effects; the downstream pathway through the target gene was determined by real-time fluorescence quantitative polymerase chain reaction (RT-qPCR) and WB. Results found that ADSC-exosomes could promote the proliferation and migration of SCs and the growth of DRG axons, respectively. Exosomal miRNA-22-3p from ADSCs directly inhibited the expression of Phosphatase and Tensin Homolog deleted on Chromosome 10 (PTEN), activated phosphorylation of the AKT/mTOR axis, and enhanced SCs proliferation and migration. In conclusion, our findings suggest that ADSC-exosomes could promote SCs function through exosomal miRNA-22-3p, which could be used as a therapeutic target for peripheral nerve injury.
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Huang W, Zhu XY, Lerman A, Lerman LO. Extracellular Vesicles as Theranostic Tools in Kidney Disease. Clin J Am Soc Nephrol 2022; 17:1418-1429. [PMID: 35260417 PMCID: PMC9625088 DOI: 10.2215/cjn.16751221] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Abstract
Extracellular vesicles are important vectors for cell-cell communication and show potential value for diagnosis and treatment of kidney diseases. The pathologic diagnosis of kidney diseases relies on kidney biopsy, whereas collection of extracellular vesicles from urine or circulating blood may constitute a less invasive diagnostic tool. In particular, urinary extracellular vesicles released mainly from resident kidney cells might provide an alternative tool for detection of kidney injury. Because extracellular vesicles mirror many features of their parent cells, cargoes of several populations of urinary extracellular vesicles are promising biomarkers for disease processes, like diabetic kidney disease, kidney transplant, and lupus nephritis. Contrarily, extracellular vesicles derived from reparative cells, such as mesenchymal stem cells, tubular epithelial progenitor cells, and human umbilical cord blood represent promising regenerative tools for treatment of kidney diseases. Furthermore, induced pluripotent stem cells-derived and engineered extracellular vesicles are being developed for specific applications for the kidney. Nevertheless, some assumptions regarding the specificity and immunogenicity of extracellular vesicles remain to be established. This review focuses on the utility of extracellular vesicles as therapeutic and diagnostic (theranostic) tools in kidney diseases and future directions for studies.
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Affiliation(s)
- Weijun Huang
- Division of Nephrology and Hypertension, Mayo Clinic, Rochester, Minnesota
- Key Laboratory of Chinese Internal Medicine of the Ministry of Education and Beijing, Dongzhimen Hospital Affiliated to Beijing University of Chinese Medicine, Beijing, China
| | - Xiang-Yang Zhu
- Division of Nephrology and Hypertension, Mayo Clinic, Rochester, Minnesota
| | - Amir Lerman
- Department of Cardiovascular Medicine, Mayo Clinic, Rochester, Minnesota
| | - Lilach O. Lerman
- Division of Nephrology and Hypertension, Mayo Clinic, Rochester, Minnesota
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9
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Tackling the effects of extracellular vesicles in fibrosis. Eur J Cell Biol 2022; 101:151221. [PMID: 35405464 DOI: 10.1016/j.ejcb.2022.151221] [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: 01/20/2022] [Revised: 03/30/2022] [Accepted: 03/31/2022] [Indexed: 11/22/2022] Open
Abstract
Fibrosis is a physiological process of tissue repair that turns into pathological when becomes chronic, damaging the functional structure of the tissue. In this review we outline the current status of extracellular vesicles as modulators of the fibrotic process at different levels. In adipose tissue, extracellular vesicles mediate the intercellular communication not only between adipocytes, but also between adipocytes and other cells of the stromal vascular fraction. Thus, they could be altering essential processes for the functionality of adipose tissue, such as adipocyte hypertrophy/hyperplasia, tissue plasticity, adipogenesis and/or inflammation, and ultimately trigger fibrosis. This process is particularly important in obesity, and may eventually, influence the development of obesity-associated alterations. In this regard, obesity is now recognized as an independent risk factor for the development of chronic kidney disease, although the role of extracellular vesicles in this connection has not been explored so far. Nonetheless, the role of extracellular vesicles in the onset and progression of renal fibrosis has been highlighted due to the critical role of fibrosis as a common feature of kidney diseases. In fact, the content of extracellular vesicles disturbs cellular signaling cascades involved in fibrosis in virtually all types of renal cells. What is certain is that the study of extracellular vesicles is complex, as their isolation and manipulation is still difficult to reproduce, which complicates the overview of their physiopathological effects. Nevertheless, new strategies have been developed to exploit the potential of extracellular vesicles and their cargo, both as biomarkers and as therapeutic tools to prevent the progression of fibrosis towards an irreversible event.
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Effects of obesity on reparative function of human adipose tissue-derived mesenchymal stem cells on ischemic murine kidneys. Int J Obes (Lond) 2022; 46:1222-1233. [PMID: 35256761 PMCID: PMC9156526 DOI: 10.1038/s41366-022-01103-5] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/10/2021] [Revised: 02/15/2022] [Accepted: 02/17/2022] [Indexed: 01/01/2023]
Abstract
Introduction: Obesity is a health burden that impairs cellular processes. Mesenchymal stem/stromal cells (MSCs) are endowed with reparative properties and can ameliorate renal injury. Obesity impairs human MSC function in-vitro, but its effect on their in-vivo reparative potency remains unknown. Subjects and Methods: Abdominal adipose tissue-derived MSC were harvested from patients without (‘lean’) or with obesity (‘obese’) (body mass index<30 or ≥30kg/m2, respectively) during kidney donation or bariatric surgery, respectively. MSC (5x105/200μL) or vehicle were then injected into 129S1 mice 2 weeks after renal artery stenosis (RAS) or sham surgery (n=8/group). Two weeks later, mice underwent magnetic resonance imaging to assess renal perfusion and oxygenation in-vivo, and kidneys then harvested for ex-vivo studies. Results: Similar numbers of lean and obese-MSCs engrafted in stenotic mouse kidneys. Vehicle-treated RAS mice had reduced stenotic-kidney cortical and medullary perfusion and oxygenation. Lean (but not obese) MSC normalized ischemic kidney cortical perfusion, whereas both effectively mitigated renal hypoxia. Serum creatinine and blood pressure were elevated in RAS mice and lowered only by lean-MSC. Both types of MSCs alleviated stenotic-kidney fibrosis, but lean-MSC more effectively than obese-MSC. MSC senescence-associated beta-gal activity, and gene expression of p16, p21, and vascular endothelial growth factor correlated with recipient kidney perfusion and tissue injury, linking MSC characteristics with their in-vivo reparative capacity. Discussion: Human obesity impairs the reparative properties of adipose-tissue-derived MSCs, possibly by inducing cellular senescence. Dysfunction and senescence of the endogenous MSC repair system in patients with obesity may warrant targeting interventions to restore MSC vitality.
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Emergent players in renovascular disease. Clin Sci (Lond) 2022; 136:239-256. [PMID: 35129198 DOI: 10.1042/cs20210509] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2021] [Revised: 01/25/2022] [Accepted: 01/26/2022] [Indexed: 02/07/2023]
Abstract
Renovascular disease (RVD) remains a common etiology of secondary hypertension. Recent clinical trials revealed unsatisfactory therapeutic outcomes of renal revascularization, leading to extensive investigation to unravel key pathophysiological mechanisms underlying irreversible functional loss and structural damage in the chronically ischemic kidney. Research studies identified complex interactions among various players, including inflammation, fibrosis, mitochondrial injury, cellular senescence, and microvascular remodeling. This interplay resulted in a shift of our understanding of RVD from a mere hemodynamic disorder to a pro-inflammatory and pro-fibrotic pathology strongly influenced by systemic diseases like metabolic syndrome (MetS), hypertension, diabetes mellitus, and hyperlipidemia. Novel diagnostic approaches have been tested for early detection and follow-up of RVD progression, using new imaging techniques and biochemical markers of renal injury and dysfunction. Therapies targeting some of the pathological pathways governing the development of RVD have shown promising results in animal models, and a few have moved from bench to clinical research. This review summarizes evolving understanding in chronic ischemic kidney injury.
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Zuccarini M, Giuliani P, Di Liberto V, Frinchi M, Caciagli F, Caruso V, Ciccarelli R, Mudò G, Di Iorio P. Adipose Stromal/Stem Cell-Derived Extracellular Vesicles: Potential Next-Generation Anti-Obesity Agents. Int J Mol Sci 2022; 23:ijms23031543. [PMID: 35163472 PMCID: PMC8836090 DOI: 10.3390/ijms23031543] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2021] [Revised: 01/26/2022] [Accepted: 01/26/2022] [Indexed: 02/01/2023] Open
Abstract
Over the last decade, several compounds have been identified for the treatment of obesity. However, due to the complexity of the disease, many pharmacological interventions have raised concerns about their efficacy and safety. Therefore, it is important to discover new factors involved in the induction/progression of obesity. Adipose stromal/stem cells (ASCs), which are mostly isolated from subcutaneous adipose tissue, are the primary cells contributing to the expansion of fat mass. Like other cells, ASCs release nanoparticles known as extracellular vesicles (EVs), which are being actively studied for their potential applications in a variety of diseases. Here, we focused on the importance of the contribution of ASC-derived EVs in the regulation of metabolic processes. In addition, we outlined the advantages/disadvantages of the use of EVs as potential next-generation anti-obesity agents.
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Affiliation(s)
- Mariachiara Zuccarini
- Department of Medical, Oral and Biotechnological Sciences, University of Chieti-Pescara, Via dei Vestini 29, 66100 Chieti, Italy; (M.Z.); (P.G.); (P.D.I.)
- Center for Advanced Studies and Technologies (CAST), University of Chieti-Pescara, Via L. Polacchi, 66100 Chieti, Italy;
| | - Patricia Giuliani
- Department of Medical, Oral and Biotechnological Sciences, University of Chieti-Pescara, Via dei Vestini 29, 66100 Chieti, Italy; (M.Z.); (P.G.); (P.D.I.)
- Center for Advanced Studies and Technologies (CAST), University of Chieti-Pescara, Via L. Polacchi, 66100 Chieti, Italy;
| | - Valentina Di Liberto
- Department of Biomedicine, Neuroscience and Advanced Diagnostic, University of Palermo, 90128 Palermo, Italy; (V.D.L.); (M.F.); (G.M.)
| | - Monica Frinchi
- Department of Biomedicine, Neuroscience and Advanced Diagnostic, University of Palermo, 90128 Palermo, Italy; (V.D.L.); (M.F.); (G.M.)
| | - Francesco Caciagli
- Center for Advanced Studies and Technologies (CAST), University of Chieti-Pescara, Via L. Polacchi, 66100 Chieti, Italy;
| | - Vanni Caruso
- School of Pharmacy and Pharmacology, University of Tasmania, Hobart 7001, Australia;
| | - Renata Ciccarelli
- Department of Medical, Oral and Biotechnological Sciences, University of Chieti-Pescara, Via dei Vestini 29, 66100 Chieti, Italy; (M.Z.); (P.G.); (P.D.I.)
- Center for Advanced Studies and Technologies (CAST), University of Chieti-Pescara, Via L. Polacchi, 66100 Chieti, Italy;
- Stem TeCh Group, Center for Advanced Studies and Technologies (CAST), Via L. Polacchi, 66100 Chieti, Italy
- Correspondence:
| | - Giuseppa Mudò
- Department of Biomedicine, Neuroscience and Advanced Diagnostic, University of Palermo, 90128 Palermo, Italy; (V.D.L.); (M.F.); (G.M.)
| | - Patrizia Di Iorio
- Department of Medical, Oral and Biotechnological Sciences, University of Chieti-Pescara, Via dei Vestini 29, 66100 Chieti, Italy; (M.Z.); (P.G.); (P.D.I.)
- Center for Advanced Studies and Technologies (CAST), University of Chieti-Pescara, Via L. Polacchi, 66100 Chieti, Italy;
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Adipose-Derived Stem/Stromal Cells in Kidney Transplantation: Status Quo and Future Perspectives. Int J Mol Sci 2021; 22:ijms222011188. [PMID: 34681848 PMCID: PMC8538841 DOI: 10.3390/ijms222011188] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2021] [Revised: 10/11/2021] [Accepted: 10/14/2021] [Indexed: 02/07/2023] Open
Abstract
Kidney transplantation (KT) is the gold standard treatment of end-stage renal disease. Despite progressive advances in organ preservation, surgical technique, intensive care, and immunosuppression, long-term allograft survival has not significantly improved. Among the many peri-operative complications that can jeopardize transplant outcomes, ischemia–reperfusion injury (IRI) deserves special consideration as it is associated with delayed graft function, acute rejection, and premature transplant loss. Over the years, several strategies have been proposed to mitigate the impact of IRI and favor tolerance, with rather disappointing results. There is mounting evidence that adipose stem/stromal cells (ASCs) possess specific characteristics that could help prevent, reduce, or reverse IRI. Immunomodulating and tolerogenic properties have also been suggested, thus leading to the development of ASC-based prophylactic and therapeutic strategies in pre-clinical and clinical models of renal IRI and allograft rejection. ASCs are copious, easy to harvest, and readily expandable in culture. Furthermore, ASCs can secrete extracellular vesicles (EV) which may act as powerful mediators of tissue repair and tolerance. In the present review, we discuss the current knowledge on the mechanisms of action and therapeutic opportunities offered by ASCs and ASC-derived EVs in the KT setting. Most relevant pre-clinical and clinical studies as well as actual limitations and future perspective are highlighted.
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Angiogenic Effects and Crosstalk of Adipose-Derived Mesenchymal Stem/Stromal Cells and Their Extracellular Vesicles with Endothelial Cells. Int J Mol Sci 2021; 22:ijms221910890. [PMID: 34639228 PMCID: PMC8509224 DOI: 10.3390/ijms221910890] [Citation(s) in RCA: 35] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2021] [Revised: 10/02/2021] [Accepted: 10/04/2021] [Indexed: 12/13/2022] Open
Abstract
Adipose-derived mesenchymal stem/stromal cells (ASCs) are an adult stem cell population able to self-renew and differentiate into numerous cell lineages. ASCs provide a promising future for therapeutic angiogenesis due to their ability to promote blood vessel formation. Specifically, their ability to differentiate into endothelial cells (ECs) and pericyte-like cells and to secrete angiogenesis-promoting growth factors and extracellular vesicles (EVs) makes them an ideal option in cell therapy and in regenerative medicine in conditions including tissue ischemia. In recent angiogenesis research, ASCs have often been co-cultured with an endothelial cell (EC) type in order to form mature vessel-like networks in specific culture conditions. In this review, we introduce co-culture systems and co-transplantation studies between ASCs and ECs. In co-cultures, the cells communicate via direct cell-cell contact or via paracrine signaling. Most often, ASCs are found in the perivascular niche lining the vessels, where they stabilize the vascular structures and express common pericyte surface proteins. In co-cultures, ASCs modulate endothelial cells and induce angiogenesis by promoting tube formation, partly via secretion of EVs. In vivo co-transplantation of ASCs and ECs showed improved formation of functional vessels over a single cell type transplantation. Adipose tissue as a cell source for both mesenchymal stem cells and ECs for co-transplantation serves as a prominent option for therapeutic angiogenesis and blood perfusion in vivo.
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Eirin A, Lerman LO. Mesenchymal Stem/Stromal Cell-Derived Extracellular Vesicles for Chronic Kidney Disease: Are We There Yet? Hypertension 2021; 78:261-269. [PMID: 34176287 DOI: 10.1161/hypertensionaha.121.14596] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Mesenchymal stem/stromal cells (MSCs) are the most utilized cell type for cellular therapy, partly due to their important proliferative potential and ability to differentiate into various cell types. MSCs produce large amounts of extracellular vesicles (EVs), which carry genetic and protein cargo to mediate MSC paracrine function. Recently, MSC-derived EVs have been successfully used in several preclinical models of chronic kidney disease. However, uncertainty remains regarding EV fate, safety, and long-term effects, which might impose important limitations on their path to clinical translation. This review discusses the therapeutic application of MSC-derived EV therapy for renal disease, with particular emphasis on potential mechanisms of kidney repair and major translational barriers. Emerging evidence indicates that the cargo of MSC-derived EVs is capable of modulating several pathways responsible for renal injury, including inflammation, oxidative stress, apoptosis, fibrosis, and microvascular remodeling. EV-induced modulation of these pathways has been associated with important renoprotective effects in experimental studies. However, scarce clinical data are available, and several challenges need to be addressed as we move toward clinical translation, including standardization of methods for EV isolation and characterization, EV fate, duration of EV effects, and effects of cardiovascular risk factors. MSC-derived EVs have the potential to preserve renal structure and function, but further experimental and clinical evidence is needed to confirm their protective effects in patients with chronic kidney disease.
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Affiliation(s)
- Alfonso Eirin
- Division of Nephrology and Hypertension, Mayo Clinic, Rochester, MN
| | - Lilach O Lerman
- Division of Nephrology and Hypertension, Mayo Clinic, Rochester, MN
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Nowak N, Yamanouchi M, Satake E. The Nephroprotective Properties of Extracellular Vesicles in Experimental Models of Chronic Kidney Disease: a Systematic Review. Stem Cell Rev Rep 2021; 18:902-932. [PMID: 34110587 PMCID: PMC8942930 DOI: 10.1007/s12015-021-10189-9] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/17/2021] [Indexed: 01/14/2023]
Abstract
Extracellular vesicle (EV)-based therapy was hypothesized as a promising regenerative approach which has led to intensive research of EVs in various pathologies. In this study, we performed a comprehensive systematic review of the current experimental evidence regarding the protective properties of EVs in chronic kidney disease (CKD). We evaluated the EV-based experiments, EV characteristics, and effector molecules with their involvement in CKD pathways. Including all animal records with available creatinine or urea data, we performed a stratified univariable meta-analysis to assess the determinants of EV-based therapy effectiveness. We identified 35 interventional studies that assessed nephroprotective role of EVs and catalogued them according to their involvement in CKD mechanism. Systematic assessment of these studies suggested that EVs had consistently improved glomerulosclerosis, interstitial fibrosis, and cell damage, among different CKD models. Moreover, EV-based therapy reduced the progression of renal decline in CKD. The stratified analyses showed that the disease model, administered dose, and time of therapeutic intervention were potential predictors of therapeutic efficacy. Together, EV therapy is a promising approach for CKD progression in experimental studies. Further standardisation of EV-methods, continuous improvement of the study quality, and better understanding of the determinants of EV effectiveness will facilitate preclinical research, and may help development of clinical trials in people with CKD.
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Affiliation(s)
- Natalia Nowak
- Faculty of Medicine, Centre for Bioinformatics and Data Analysis, Medical University of Bialystok, Bialystok, Poland.
| | - Masayuki Yamanouchi
- Department of Nephrology and Laboratory Medicine Faculty of Medicine Institute of Medical, Pharmaceutical and Health Sciences Graduate School of Medical Sciences, Kanazawa University, Toranomon Hospital, Nephrology Center, Tokyo, Japan
| | - Eiichiro Satake
- Section on Genetics and Epidemiology, Research Division, Joslin Diabetes Center, Department of Medicine, Harvard Medical School, MA, Boston, USA
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Eirin A, Meng Y, Zhu XY, Li Y, Saadiq IM, Jordan KL, Tang H, Lerman A, van Wijnen AJ, Lerman LO. The Micro-RNA Cargo of Extracellular Vesicles Released by Human Adipose Tissue-Derived Mesenchymal Stem Cells Is Modified by Obesity. Front Cell Dev Biol 2021; 9:660851. [PMID: 34095124 PMCID: PMC8173369 DOI: 10.3389/fcell.2021.660851] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2021] [Accepted: 04/29/2021] [Indexed: 11/16/2022] Open
Abstract
Obesity is a chronic disease that interferes with normal repair processes, including adipose mesenchymal stem/stromal cells (ASCs) function. ASCs produce extracellular vesicles (EVs) that activate a repair program in recipient cells partly via their micro-RNA (miRNA) cargo. We hypothesized that obesity alters the miRNA expression profile of human ASC-derived EVs, limiting their capacity to repair injured cells. Human ASCs were harvested from obese and age- and gender-matched non-obese (lean) subjects during bariatric or cosmetic surgeries, respectively (n = 5 each), and their EVs isolated. Following high-throughput sequencing analysis, differentially expressed miRNAs were identified and their gene targets classified based on cellular component, molecular function, and biological process. The capacity of human lean- and obese-EVs to modulate inflammation, apoptosis, as well as mitogen-activated protein kinase (MAPK) and Wnt signaling in injured human proximal tubular epithelial (HK2) cells was evaluated in vitro. The number of EVs released from lean- and obese-ASCs was similar, but obese-EVs were smaller compared to lean-EVs. Differential expression analysis revealed 8 miRNAs upregulated (fold change > 1.4, p < 0.05) and 75 downregulated (fold change < 0.7, p < 0.05) in obese-EVs vs. lean-EVs. miRNAs upregulated in obese-EVs participate in regulation of NFk-B and MAPK signaling, cytoskeleton organization, and apoptosis, whereas those downregulated in obese-EVs are implicated in cell cycle, angiogenesis, and Wnt and MAPK signaling. Treatment of injured HK2 cells with obese-EVs failed to decrease inflammation, and they decreased apoptosis and MAPK signaling significantly less effectively than their lean counterparts. Obesity alters the size and miRNA cargo of human ASC-derived EVs, as well as their ability to modulate important injury pathways in recipient cells. These observations may guide development of novel strategies to improve healing and repair in obese individuals.
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Affiliation(s)
- Alfonso Eirin
- Department of Medicine, Division of Nephrology and Hypertension, Mayo Clinic, Rochester, MN, United States
| | - Yu Meng
- Department of Nephrology, The First Hospital Affiliated to Jinan University, Guangzhou, China
| | - Xiang-Yang Zhu
- Department of Medicine, Division of Nephrology and Hypertension, Mayo Clinic, Rochester, MN, United States
| | - Yongxin Li
- Department of Medicine, Division of Nephrology and Hypertension, Mayo Clinic, Rochester, MN, United States
| | - Ishran M. Saadiq
- Department of Medicine, Division of Nephrology and Hypertension, Mayo Clinic, Rochester, MN, United States
| | - Kyra L. Jordan
- Department of Medicine, Division of Nephrology and Hypertension, Mayo Clinic, Rochester, MN, United States
| | - Hui Tang
- Department of Medicine, Division of Nephrology and Hypertension, Mayo Clinic, Rochester, MN, United States
| | - Amir Lerman
- Department of Cardiovascular Medicine, Mayo Clinic, Rochester, MN, United States
| | | | - Lilach O. Lerman
- Department of Medicine, Division of Nephrology and Hypertension, Mayo Clinic, Rochester, MN, United States
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Extracellular Vesicles from Human Adipose-Derived Mesenchymal Stem Cells: A Review of Common Cargos. Stem Cell Rev Rep 2021; 18:854-901. [PMID: 33904115 PMCID: PMC8942954 DOI: 10.1007/s12015-021-10155-5] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/14/2021] [Indexed: 12/14/2022]
Abstract
In recent years, the interest in adipose tissue mesenchymal cell–derived extracellular vesicles (AT-MSC-EVs) has increasingly grown. Numerous articles support the potential of human AT-MSC-EVs as a new therapeutic option for treatment of diverse diseases in the musculoskeletal and cardiovascular systems, kidney, skin, and immune system, among others. This approach makes use of the molecules transported inside of EVs, which play an important role in cell communication and in transmission of macromolecules. However, to our knowledge, there is no database where essential information about AT-MSC-EVs cargo molecules is gathered for easy reference. The aim of this study is to describe the different molecules reported so far in AT-MSC- EVs, their main molecular functions, and biological processes in which they are involved. Recently, the presence of 591 proteins and 604 microRNAs (miRNAs) has been described in human AT-MSC-EVs. The main molecular function enabled by both proteins and miRNAs present in human AT-MSC-EVs is the binding function. Signal transduction and gene silencing are the biological processes in which a greater number of proteins and miRNAs from human AT-MSC-EVs are involved, respectively. In this review we highlight the therapeutics effects of AT-MSC-EVs related with their participation in relevant biological processes including inflammation, angiogenesis, cell proliferation, apoptosis and migration, among others.
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19
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Isik B, Thaler R, Goksu BB, Conley SM, Al-Khafaji H, Mohan A, Afarideh M, Abumoawad AM, Zhu XY, Krier JD, Saadiq IM, Tang H, Eirin A, Hickson LJ, van Wijnen AJ, Textor SC, Lerman LO, Herrmann SM. Hypoxic preconditioning induces epigenetic changes and modifies swine mesenchymal stem cell angiogenesis and senescence in experimental atherosclerotic renal artery stenosis. Stem Cell Res Ther 2021; 12:240. [PMID: 33853680 PMCID: PMC8048283 DOI: 10.1186/s13287-021-02310-z] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2021] [Accepted: 03/25/2021] [Indexed: 12/13/2022] Open
Abstract
BACKGROUND Atherosclerotic renal artery stenosis (ARAS) is a risk factor for ischemic and hypertensive kidney disease (HKD) for which autologous mesenchymal stem cell (MSC) appears to be a promising therapy. However, MSCs from ARAS patients exhibit impaired function, senescence, and DNA damage, possibly due to epigenetic mechanisms. Hypoxia preconditioning (HPC) exerts beneficial effects on cellular proliferation, differentiation, and gene and protein expression. We hypothesized that HPC could influence MSC function and senescence in ARAS by epigenetic mechanisms and modulating gene expression of chromatin-modifying enzymes. METHODS Adipose-derived MSC harvested from healthy control (N = 8) and ARAS (N = 8) pigs were cultured under normoxia (20%O2) or hypoxia (1%O2) conditions. MSC function was assessed by migration, proliferation, and cytokine release in conditioned media. MSC senescence was evaluated by SA-β-gal activity. Specific pro-angiogenic and senescence genes were assessed by reverse transcription polymerase chain reaction (RT-PCR). Dot blotting was used to measure global genome 5-hydroxymethylcytosine (5hmC) levels on DNA and Western blotting of modified histone 3 (H3) proteins to quantify tri-methylated lysine-4 (H3K4me3), lysine-9 (H3K9me3), and lysine-27 (H3K27me3) residues. RESULTS Specific pro-angiogenic genes in ARAS assessed by RT-PCR were lower at baseline but increased under HPC, while pro-senescence genes were higher in ARAS at baseline as compared healthy MSCs. ARAS MSCs under basal conditions, displayed higher H3K4me3, H3K27me3, and 5hmC levels compared to healthy MSCs. During HPC, global 5hmC levels were decreased while no appreciable changes occurred in histone H3 tri-methylation. ARAS MSCs cultured under HPC had higher migratory and proliferative capacity as well as increased vascular endothelial growth factor and epidermal growth factor expression compared to normoxia, and SA-β-gal activity decreased in both animal groups. CONCLUSIONS These data demonstrate that swine ARAS MSCs have decreased angiogenesis and increased senescence compared to healthy MSCs and that HPC mitigates MSC dysfunction, senescence, and DNA hydroxymethylation in ARAS MSC. Thus, HPC for MSCs may be considered for their optimization to improve autologous cell therapy in patients with nephropathies.
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Affiliation(s)
- Busra Isik
- Division of Nephrology and Hypertension, Mayo Clinic, 200, First Street SW, Rochester, MN, 55902, USA
| | - Roman Thaler
- Department of Biochemistry and Molecular Biology, Rochester, USA
- Department of Orthopedics, Rochester, USA
| | - Busra B Goksu
- Division of Nephrology and Hypertension, Mayo Clinic, 200, First Street SW, Rochester, MN, 55902, USA
| | - Sabena M Conley
- Division of Nephrology and Hypertension, Mayo Clinic, Jacksonville, FL, USA
| | - Hayder Al-Khafaji
- Division of Nephrology and Hypertension, Mayo Clinic, 200, First Street SW, Rochester, MN, 55902, USA
| | - Arjunmohan Mohan
- Division of Nephrology and Hypertension, Mayo Clinic, 200, First Street SW, Rochester, MN, 55902, USA
| | - Mohsen Afarideh
- Division of Nephrology and Hypertension, Mayo Clinic, 200, First Street SW, Rochester, MN, 55902, USA
| | - Abdelrhman M Abumoawad
- Division of Nephrology and Hypertension, Mayo Clinic, 200, First Street SW, Rochester, MN, 55902, USA
| | - Xiang Y Zhu
- Division of Nephrology and Hypertension, Mayo Clinic, 200, First Street SW, Rochester, MN, 55902, USA
| | - James D Krier
- Division of Nephrology and Hypertension, Mayo Clinic, 200, First Street SW, Rochester, MN, 55902, USA
| | - Ishran M Saadiq
- Division of Nephrology and Hypertension, Mayo Clinic, 200, First Street SW, Rochester, MN, 55902, USA
| | - Hui Tang
- Division of Nephrology and Hypertension, Mayo Clinic, 200, First Street SW, Rochester, MN, 55902, USA
| | - Alfonso Eirin
- Division of Nephrology and Hypertension, Mayo Clinic, 200, First Street SW, Rochester, MN, 55902, USA
| | - LaTonya J Hickson
- Division of Nephrology and Hypertension, Mayo Clinic, Jacksonville, FL, USA
| | - Andre J van Wijnen
- Department of Biochemistry and Molecular Biology, Rochester, USA
- Department of Orthopedics, Rochester, USA
| | - Stephen C Textor
- Division of Nephrology and Hypertension, Mayo Clinic, 200, First Street SW, Rochester, MN, 55902, USA
| | - Lilach O Lerman
- Division of Nephrology and Hypertension, Mayo Clinic, 200, First Street SW, Rochester, MN, 55902, USA
| | - Sandra M Herrmann
- Division of Nephrology and Hypertension, Mayo Clinic, 200, First Street SW, Rochester, MN, 55902, USA.
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Mesenchymal Stem/Stromal Cell-Derived Extracellular Vesicles Elicit Better Preservation of the Intra-Renal Microvasculature Than Renal Revascularization in Pigs with Renovascular Disease. Cells 2021; 10:cells10040763. [PMID: 33807246 PMCID: PMC8103265 DOI: 10.3390/cells10040763] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2021] [Revised: 03/23/2021] [Accepted: 03/30/2021] [Indexed: 02/07/2023] Open
Abstract
Background: Percutaneous transluminal renal angioplasty (PTRA) confers clinical and mortality benefits in select ‘high-risk’ patients with renovascular disease (RVD). Intra-renal-delivered extracellular vesicles (EVs) released from mesenchymal stem/stromal cells (MSCs) protect the kidney in experimental RVD, but have not been compared side-by-side to clinically applied interventions, such as PTRA. We hypothesized that MSC-derived EVs can comparably protect the post-stenotic kidney via direct tissue effects. Methods: Five groups of pigs (n = 6 each) were studied after 16 weeks of RVD, RVD treated 4 weeks earlier with either PTRA or MSC-derived EVs, and normal controls. Single-kidney renal blood flow (RBF) and glomerular filtration rate (GFR) were assessed in vivo with multi-detector CT, and renal microvascular architecture (3D micro CT) and injury pathways ex vivo. Results: Despite sustained hypertension, EVs conferred greater improvement of intra-renal microvascular and peritubular capillary density compared to PTRA, associated with attenuation of renal inflammation, oxidative stress, and tubulo-interstitial fibrosis. Nevertheless, stenotic kidney RBF and GFR similarly rose in both PTRA- and EV-treated pigs compared RVD + Sham. mRNA sequencing reveled that EVs were enriched with pro-angiogenic, anti-inflammatory, and antioxidants genes. Conclusion: MSC-derived EVs elicit a better preservation of the stenotic kidney microvasculature and greater attenuation of renal injury and fibrosis compared to PTRA, possibly partly attributed to their cargo of vasculo-protective genes. Yet, both strategies similarly improve renal hemodynamics and function. These observations shed light on diverse mechanisms implicated in improvement of post-stenotic kidney function and position EVs as a promising therapeutic intervention in RVD.
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21
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Mesenchymal stem cells and extracellular vesicles in therapy against kidney diseases. Stem Cell Res Ther 2021; 12:219. [PMID: 33789750 PMCID: PMC8011150 DOI: 10.1186/s13287-021-02289-7] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2021] [Accepted: 03/15/2021] [Indexed: 12/14/2022] Open
Abstract
Kidney diseases pose a threat to human health due to their rising incidence and fatality rate. In preclinical and clinical studies, it has been acknowledged that mesenchymal stem cells (MSCs) are effective and safe when used to treat kidney diseases. MSCs play their role mainly by secreting trophic factors and delivering extracellular vesicles (EVs). The genetic materials and proteins contained in the MSC-derived EVs (MSC-EVs), as an important means of cellular communication, have become a research focus for targeted therapy of kidney diseases. At present, MSC-EVs have shown evident therapeutic effects on acute kidney injury (AKI), chronic kidney disease (CKD), diabetic nephropathy (DN), and atherosclerotic renovascular disease (ARVD); however, their roles in the transplanted kidney remain controversial. This review summarises the mechanisms by which MSC-EVs treat these diseases in animal models and proposes certain problems, expecting to facilitate corresponding future clinical practice.
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22
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Metabolic Syndrome Alters the Cargo of Mitochondria-Related microRNAs in Swine Mesenchymal Stem Cell-Derived Extracellular Vesicles, Impairing Their Capacity to Repair the Stenotic Kidney. Stem Cells Int 2020; 2020:8845635. [PMID: 33281903 PMCID: PMC7685840 DOI: 10.1155/2020/8845635] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2020] [Revised: 10/27/2020] [Accepted: 10/29/2020] [Indexed: 02/06/2023] Open
Abstract
Background Coexisting metabolic syndrome (MetS) and renal artery stenosis (RAS) are linked to poor renal outcomes. Mesenchymal stem/stromal cell- (MSC-) derived extracellular vesicles (EVs) from lean animals show superior ability to repair the experimental MetS+RAS kidney compared to EVs from MetS pig MSCs. We hypothesized that MetS leads to selective packaging in porcine EVs of microRNAs capable of targeting mitochondrial genes, interfering with their capacity to repair the MetS+RAS kidney. Methods Five groups of pigs (n = 7 each) were studied after 16 weeks of diet-induced MetS and RAS (MetS+RAS) and MetS+RAS 4 weeks after a single intrarenal delivery of EVs harvested from allogeneic adipose tissue-derived MSCs isolated from Lean or MetS pigs, and Lean or MetS sham controls. Single-kidney blood flow (RBF) and glomerular filtration rate (GFR) were assessed in vivo with multidetector CT, whereas EV microRNA cargo, renal tubular mitochondrial structure and bioenergetics, and renal injury pathways were assessed ex vivo. Results microRNA sequencing revealed 19 dysregulated microRNAs capable of targeting several mitochondrial genes in MetS-EVs versus Lean-EVs. Lean- and MetS-EVs were detected in the stenotic kidney 4 weeks after administration. However, only MetS-EVs failed to improve renal mitochondrial density, structure, and function or attenuate oxidative stress, tubular injury, and fibrosis. Furthermore, Lean-EVs but not MetS-EVs restored RBF and GFR in MetS+RAS. Conclusion MetS alters the cargo of mitochondria-related microRNAs in swine MSC-derived EVs, which might impair their capacity to repair the poststenotic kidney in MetS+RAS. These observations may contribute to develop approaches to improve the efficacy of MSC-EVs for patients with MetS.
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