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Zhao X, Kong X, Cui Z, Zhang Z, Wang M, Liu G, Gao H, Zhang J, Qin W. Communication between nonalcoholic fatty liver disease and atherosclerosis: Focusing on exosomes. Eur J Pharm Sci 2024; 193:106690. [PMID: 38181871 DOI: 10.1016/j.ejps.2024.106690] [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: 10/11/2023] [Revised: 12/13/2023] [Accepted: 01/02/2024] [Indexed: 01/07/2024]
Abstract
Nonalcoholic fatty liver disease (NAFLD) is the most prevalent chronic hepatic disorder on a global scale. Atherosclerosis (AS), a leading cause of cardiovascular diseases, stands as the primary contributor to mortality among patients diagnosed with NAFLD. However, the precise etiology by which NAFLD causes AS remains unclear. Exosomes are nanoscale extracellular vesicles secreted by cells, and are considered to participate in complex biological processes by promoting cell-to-cell and organ-to-organ communications. As vesicles containing protein, mRNA, non-coding RNA and other bioactive molecules, exosomes can participate in the development of NAFLD and AS respectively. Recently, studies have shown that NAFLD can also promote the development of AS via secreting exosomes. Herein, we summarized the recent advantages of exosomes in the pathogenesis of NAFLD and AS, and highlighted the role of exosomes in mediating the information exchange between NAFLD and AS. Further, we discussed how exosomes play a prominent role in enabling information exchange among diverse organs, delving into a novel avenue for investigating the link between diseases and their associated complications. The future directions and emerging challenges are also listed regarding the exosome-based therapeutic strategies for AS under NAFLD conditions.
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Affiliation(s)
- Xiaona Zhao
- School of Pharmacy, Weifang Medical University, Weifang, China; School of Pharmacy, Jining Medical University, Rizhao, China
| | - Xinxin Kong
- School of Pharmacy, Weifang Medical University, Weifang, China; School of Pharmacy, Jining Medical University, Rizhao, China
| | - Zhoujun Cui
- Department of General Surgery, People's Hospital of Rizhao, Rizhao, China
| | - Zejin Zhang
- School of Pharmacy, Jining Medical University, Rizhao, China; School of Pharmacy, Binzhou Medical University, Yantai, China
| | - Minghui Wang
- School of Pharmacy, Jining Medical University, Rizhao, China; School of Pharmacy, Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Guoqing Liu
- School of Pharmacy, Jining Medical University, Rizhao, China; School of Pharmacy, Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Honggang Gao
- School of Pharmacy, Jining Medical University, Rizhao, China
| | - Jing Zhang
- School of Pharmacy, Jining Medical University, Rizhao, China
| | - Wei Qin
- School of Pharmacy, Jining Medical University, Rizhao, China.
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Li J, Lin A, Jiang R, Chen P, Xu C, Hou Y. Exosomes-mediated drug delivery for the treatment of myocardial injury. Ann Med Surg (Lond) 2024; 86:292-299. [PMID: 38222684 PMCID: PMC10783224 DOI: 10.1097/ms9.0000000000001473] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2023] [Accepted: 10/25/2023] [Indexed: 01/16/2024] Open
Abstract
Cardiovascular disease has become a major cause of death worldwide. Myocardial injury (MI) caused by myocardial infarction, myocarditis, and drug overdose can lead to impaired cardiac function, culminating in serious consequences such as angina pectoris, arrhythmias, and heart failure. Exosomes exhibit high biocompatibility and target specificity, rendering them an important non-cellular therapy for improving MI. Exosomes are diminutive vesicles that encapsulate nucleic acids and proteins. Exosomes derived from cardiac stem cells themselves have therapeutic effects, and they can also serve as carriers to deliver therapeutic drugs to recipient cells, thereby exerting a therapeutic effect. The molecules within exosomes are encapsulated in a lipid bilayer, allowing them to stably exist in body fluids without being affected by nucleases. Therefore, the utilization of exosomes as drug delivery systems (DDS) for disease treatment has been extensively investigated and is currently undergoing clinical trials. This review summarizes the therapeutic effects of exosomes on MI and provides an overview of current research progress on their use as DDS in MI.
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Affiliation(s)
- Jiang Li
- Zhengzhou Railway Vocational and Technical College
| | - Aiqin Lin
- Zhengzhou Railway Vocational and Technical College
| | - Rui Jiang
- Zhengzhou Railway Vocational and Technical College
| | | | - Chengyang Xu
- Henan Provincial People's Hospital, Zhengzhou, P.R. China
| | - Yuanyuan Hou
- Zhengzhou Railway Vocational and Technical College
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Ekram S, Khalid S, Ramzan F, Salim A, Bashir I, Durrieu MC, Khan I. Mesenchymal Stem Cell-Derived Extracellular Vesicles Protect Rat Nucleus Pulposus Cells from Oxidative Stress. Cartilage 2023:19476035231172154. [PMID: 37139781 DOI: 10.1177/19476035231172154] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 05/05/2023] Open
Abstract
BACKGROUND Oxidative stress (OS) is mainly associated with the pathogenesis of intervertebral disc (IVD) degeneration; it causes nucleus pulposus cells (NPCs) to undergo senescence and triggers autophagy and apoptosis. This study aims to evaluate the regeneration potential of extracellular vesicles (EVs) derived from human umbilical cord-mesenchymal stem cells (hUC-MSCs) in an in vitro rat NPC-induced OS model. DESIGN NPCs were isolated from rat coccygeal discs, propagated, and characterized. OS was induced by hydrogen peroxide (H2O2), which is confirmed by 2,7-dichlorofluorescein diacetate (H2DCFDA) assay. EVs were isolated from hUC-MSCs and characterized by analyzing the vesicles using fluorescence microscope, scanning electron microscope (SEM), atomic force microscope (AFM), dynamic light scattering (DLS), and Western blot (WB). The in vitro effects of EVs on migration, uptake, and survival of NPCs were determined. RESULTS SEM and AFM topographic images revealed the size distribution of EVs. The phenotypes of isolated EVs showed that the size of EVs was 403.3 ± 85.94 nm, and the zeta potential was -0.270 ± 4.02 mV. Protein expression analysis showed that EVs were positive for CD81 and annexin V. Treatment of NPCs with EVs reduced H2O2-induced OS as evidenced by a decrease in reactive oxygen species (ROS) levels. Co-culture of NPCs with DiI-labeled EVs showed the cellular internalization of EVs. In the scratch assay, EVs significantly increased NPC proliferation and migration toward the scratched area. Quantitative polymerase chain reaction analysis showed that EVs significantly reduced the expression of OS genes. CONCLUSION EVs protected NPCs from H2O2-induced OS by reducing intracellular ROS generation and improved NPC proliferation and migration.
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Affiliation(s)
- Sobia Ekram
- Dr. Panjwani Center for Molecular Medicine and Drug Research, International Center for Chemical and Biological Sciences, University of Karachi, Karachi, Pakistan
| | - Shumaila Khalid
- Dr. Panjwani Center for Molecular Medicine and Drug Research, International Center for Chemical and Biological Sciences, University of Karachi, Karachi, Pakistan
| | - Faiza Ramzan
- Dr. Panjwani Center for Molecular Medicine and Drug Research, International Center for Chemical and Biological Sciences, University of Karachi, Karachi, Pakistan
| | - Asmat Salim
- Dr. Panjwani Center for Molecular Medicine and Drug Research, International Center for Chemical and Biological Sciences, University of Karachi, Karachi, Pakistan
| | - Imtiaz Bashir
- University of Bordeaux, CNRS, Bordeaux INP, CBMN, UMR 5248, Pessac, France
| | | | - Irfan Khan
- Dr. Panjwani Center for Molecular Medicine and Drug Research, International Center for Chemical and Biological Sciences, University of Karachi, Karachi, Pakistan
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Tavasolian F, Inman RD. Biology and therapeutic potential of mesenchymal stem cell extracellular vesicles in axial spondyloarthritis. Commun Biol 2023; 6:413. [PMID: 37059822 PMCID: PMC10104809 DOI: 10.1038/s42003-023-04743-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2022] [Accepted: 03/21/2023] [Indexed: 04/16/2023] Open
Abstract
Axial spondyloarthritis (AxSpA) is a chronic, inflammatory, autoimmune disease that predominantly affects the joints of the spine, causes chronic pain, and, in advanced stages, may result in spinal fusion. Recent developments in understanding the immunomodulatory and tissue-differentiating properties of mesenchymal stem cell (MSC) therapy have raised the possibility of applying such treatment to AxSpA. The therapeutic effectiveness of MSCs has been shown in numerous studies spanning a range of diseases. Several studies have been conducted examining acellular therapy based on MSC secretome. Extracellular vesicles (EVs) generated by MSCs have been proven to reproduce the impact of MSCs on target cells. These EVs are associated with immunological regulation, tissue remodeling, and cellular homeostasis. EVs' biological effects rely on their cargo, with microRNAs (miRNAs) integrated into EVs playing a particularly important role in gene expression regulation. In this article, we will discuss the impact of MSCs and EVs generated by MSCs on target cells and how these may be used as unique treatment strategies for AxSpA.
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Affiliation(s)
- Fataneh Tavasolian
- Spondylitis Program, Division of Rheumatology, Schroeder Arthritis Institute, University Health Network, Toronto, Ontario, Canada
| | - Robert D Inman
- Spondylitis Program, Division of Rheumatology, Schroeder Arthritis Institute, University Health Network, Toronto, Ontario, Canada.
- Krembil Research Institute, University Health Network, Toronto, Ontario, Canada.
- Departments of Medicine and Immunology, University of Toronto, Toronto, Ontario, Canada.
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Khristov V, Lin A, Freedman Z, Staub J, Shenoy G, Mrowczynski O, Rizk E, Zacharia B, Connor J. Tumor-Derived Biomarkers in Liquid Biopsy of Glioblastoma. World Neurosurg 2023; 170:182-194. [PMID: 36347463 DOI: 10.1016/j.wneu.2022.11.012] [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: 09/13/2022] [Revised: 11/01/2022] [Accepted: 11/02/2022] [Indexed: 11/07/2022]
Abstract
There is a pressing clinical need for minimally invasive liquid biopsies to supplement imaging in the treatment of glioblastoma. Diagnostic imaging is often difficult to interpret and the medical community is divided on distinguishing among complete response, partial response, stable disease, and progressive disease. A minimally invasive liquid biopsy would supplement imaging and clinical findings and has the capacity to be helpful in several ways: 1) diagnosis, 2) selection of patients for specific treatments, 3) tracking of treatment response, and 4) prognostic value. The liquid biome is the combination of biological fluids including blood, urine, and cerebrospinal fluid that contain small amounts of tumor cells, DNA/RNA coding material, peptides, and metabolites. Within the liquid biome, 2 broad categories of biomarkers can exist: tumor-derived, which can be directly traced to the tumor, and tumor-associated, which can be traced back to the response of the body to disease. Although tumor-associated biomarkers are promising liquid biopsy candidates, recent advances in biomarker enrichment and detection have allowed concentration on a new class of biomarker: tumor-derived biomarkers. This review focuses on making the distinction between the 2 biomarker categories and highlights promising new direction.
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Affiliation(s)
- Vladimir Khristov
- Department of Neurosurgery, Penn State Hershey College of Medicne, Hershey, Pennsylvania, USA.
| | - Andrea Lin
- Department of Neurosurgery, Penn State Hershey College of Medicne, Hershey, Pennsylvania, USA
| | - Zachary Freedman
- Department of Neurosurgery, Penn State Hershey College of Medicne, Hershey, Pennsylvania, USA
| | - Jacob Staub
- Department of Neurosurgery, Penn State Hershey College of Medicne, Hershey, Pennsylvania, USA
| | - Ganesh Shenoy
- Department of Neurosurgery, Penn State Hershey College of Medicne, Hershey, Pennsylvania, USA
| | - Oliver Mrowczynski
- Department of Neurosurgery, Penn State Hershey College of Medicne, Hershey, Pennsylvania, USA
| | - Elias Rizk
- Department of Neurosurgery, Penn State Hershey College of Medicne, Hershey, Pennsylvania, USA
| | - Brad Zacharia
- Department of Neurosurgery, Penn State Hershey College of Medicne, Hershey, Pennsylvania, USA
| | - James Connor
- Department of Neurosurgery, Penn State Hershey College of Medicne, Hershey, Pennsylvania, USA
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Zhou Y, Tao D, Shao Z, Wang X, Xu J, Li Y, Li K. Expression profiles of exosomal tRNA-derived fragments and their biological functions in lipomas. Front Cell Dev Biol 2022; 10:942133. [PMID: 36035989 PMCID: PMC9399354 DOI: 10.3389/fcell.2022.942133] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2022] [Accepted: 07/18/2022] [Indexed: 11/30/2022] Open
Abstract
There is evidence that exosomes derived from the lipoma tissue (Exo-LT) have a stronger capacity to promote the proliferation and migration of adipose-derived stem cells (ADSCs) than those from the adipose tissue (Exo-AT). But the Exo-LT do not have a significant effect on the adipogenic differentiation of the ADSCs. Recently, certain exosomal tRNA-derived fragments (tRFs) have been shown to play a crucial role in the pathogenesis of certain tumors. Therefore, it is necessary to identify the differently expressed tRFs in Exo-LT to further elucidate their molecular functions in lipomas. High-throughput sequencing was performed to examine the tRFs and mRNAs from the all samples belonging to the Exo-LT and Exo-AT groups. Target prediction and bioinformatics analysis were performed to explore their downstream mRNAs and biological functions. In total, 456 differently expressed tRFs and tiRNAs were identified in the Exo-LT group, 12 of which were up-regulated and 12 were down-regulated, respectively. Notably, tRF-1001 was most obviously down-regulated and tRF-3004a was most obviously up-regulated in the Exo-LT group. Moreover, among the target genes of tRF-1001 and tRF-3004a, both JAG2 and VSIG4 were significantly down-regulated in the Exo-LT group, while WNT5A, COL1A1, and PPARGC1A were highly expressed in both the Exo-LT and Exo-AT groups. The significant down-regulation of JAG2 and VSIG4 in the Exo-LT group could be due to the fact that Exo-LT had a stronger capacity to promote the proliferation and migration of ADSCs compared to the Exo-AT. The high expression of WNT5A, COL1A1, and PPARGC1A in both the Exo-LT and Exo-AT groups could be due to the similar ability of Exo-LT and Exo-AT to promote the adipogenic differentiation of ADSCs.
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Affiliation(s)
- Yuxi Zhou
- Department of Xiangya Stomatological Hospital and Xiangya School of Stomatology, Central South University, Changsha, Hunan, China
| | - Daixi Tao
- Department of Changsha Traditional Chinese Medicine Hospital, Changsha, Hunan, China
| | - Zifei Shao
- Department of Xiangya Stomatological Hospital and Xiangya School of Stomatology, Central South University, Changsha, Hunan, China
| | - Xiang Wang
- Department of Xiangya Stomatological Hospital and Xiangya School of Stomatology, Central South University, Changsha, Hunan, China
| | - Jinhao Xu
- Department of Xiangya Stomatological Hospital and Xiangya School of Stomatology, Central South University, Changsha, Hunan, China
| | - Yiyang Li
- Department of Xiangya Stomatological Hospital and Xiangya School of Stomatology, Central South University, Changsha, Hunan, China
| | - Kun Li
- Department of Xiangya Stomatological Hospital and Xiangya School of Stomatology, Central South University, Changsha, Hunan, China
- *Correspondence: Kun Li,
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Abstract
Exosomes are a type of extracellular vesicles secreted by cells in normal or pathological conditions for cell-cell communication. With immunomodulatory characteristics and potential therapeutic properties, immune-cell-derived exosomes play an important role in cancer therapy. They express various antigens on their surface, which can be employed for antigen presentation, immunological activation, and metabolic regulation, leading to the killing of cancerous cells. In addition, immune-cell-derived exosomes have received extensive attention as a drug delivery platform in effective antitumor therapy due to their excellent biocompatibility, low immunogenicity, and high loading capacity. In this review, the biological and therapeutic characteristics of immune-cell-derived exosomes are comprehensively outlined. The antitumor mechanism of exosomes secreted by immune cells, including macrophages, dendritic cells, T cells, B cells, and natural killer cells, are systematically summarized. Moreover, the applications of immune-cell-derived exosomes as nanocarriers to transport antitumor agents (chemotherapeutic drugs, genes, proteins, etc.) are discussed. More importantly, the existing challenges of immune-cell-derived exosomes are pointed out, and their antitumor potentials are also discussed.
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Affiliation(s)
- Yongmei Zhao
- School of Pharmacy, Nantong University, Nantong 226019, China
| | - Tianqing Liu
- NICM Health Research Institute, Western Sydney University, Westmead, New South Wales 2145, Australia
| | - Mengjiao Zhou
- School of Pharmacy, Nantong University, Nantong 226019, China
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Screening of Serum Exosomal miRNAs as Diagnostic Biomarkers for Gastric Cancer Using Small RNA Sequencing. JOURNAL OF ONCOLOGY 2022; 2022:5346563. [PMID: 35571485 PMCID: PMC9095383 DOI: 10.1155/2022/5346563] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/12/2021] [Accepted: 02/16/2022] [Indexed: 11/18/2022]
Abstract
Background/Aim Exosomal miRNAs are promising tumor biomarkers. This research explored the diagnostic value of serum exosomal miRNAs by analyzing the exosomal miRNAs derived from the serum of gastric cancer patients. Methods Deep sequencing of exosomal miRNAs was performed using an Illumina HiSeq2500 sequencer on serum samples from three healthy subjects in the normal control group (group N) and six gastric cancer patients in the gastric cancer treatment group (group T). Bioinformatics analysis was performed on exosomal miRNA profiles to screen differentially expressed miRNA. In addition, target gene prediction, GO, and KEGG pathway enrichment analyses were performed. Finally, the serum exocrine bodies of 24 patients with gastric cancer and 24 normal controls were verified by quantitative reverse transcription-polymerase chain reaction (qRT-PCR) to confirm the findings. The receiver operating characteristic (ROC) curve of the subjects was plotted, and the area under the curve (AUC) was calculated with a 95% confidence interval (CI). Results The exosomes were successfully extracted from the serum of gastric cancer patients, which showed a form of goblet vesicles or irregular circles, with an average particle size of approximately 102.3 nm. The exosomal marker proteins, CD9, CD63, TSG101, and calnexin, were positively expressed. Small RNA sequencing detected 15 different types of RNA components in the serum exosomes, and the most abundant one was miRNA. In the screened cohort, the downregulation of seven existing miRNAs and the upregulation of one existing miRNA were observed. Four of them were selected for confirmation, revealing that the expression of miR-10401-3p, miR-1255b-5p, and miR-6736-5p declined significantly in group T (P < 0.05). In addition, the ROC curve showed that the AUC values for these three miRNAs were 0.8333, 0.8316, and 0.8142, respectively; all of them are statistically significant (P < 0.05). Conclusions The above three miRNAs found in the serum exosomes from gastric cancer patients might serve as diagnostic biomarkers for gastric cancer.
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Potential Application of Exosomes in Vaccine Development and Delivery. Pharm Res 2022; 39:2635-2671. [PMID: 35028802 PMCID: PMC8757927 DOI: 10.1007/s11095-021-03143-4] [Citation(s) in RCA: 24] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2021] [Accepted: 11/15/2021] [Indexed: 02/06/2023]
Abstract
Exosomes are cell-derived components composed of proteins, lipid, genetic information, cytokines, and growth factors. They play a vital role in immune modulation, cell-cell communication, and response to inflammation. Immune modulation has downstream effects on the regeneration of damaged tissue, promoting survival and repair of damaged resident cells, and promoting the tumor microenvironment via growth factors, antigens, and signaling molecules. On top of carrying biological messengers like mRNAs, miRNAs, fragmented DNA, disease antigens, and proteins, exosomes modulate internal cell environments that promote downstream cell signaling pathways to facilitate different disease progression and induce anti-tumoral effects. In this review, we have summarized how vaccines modulate our immune response in the context of cancer and infectious diseases and the potential of exosomes as vaccine delivery vehicles. Both pre-clinical and clinical studies show that exosomes play a decisive role in processes like angiogenesis, prognosis, tumor growth metastasis, stromal cell activation, intercellular communication, maintaining cellular and systematic homeostasis, and antigen-specific T- and B cell responses. This critical review summarizes the advancement of exosome based vaccine development and delivery, and this comprehensive review can be used as a valuable reference for the broader delivery science community.
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Zou J, Peng H, Liu Y. The Roles of Exosomes in Immunoregulation and Autoimmune Thyroid Diseases. Front Immunol 2021; 12:757674. [PMID: 34867996 PMCID: PMC8634671 DOI: 10.3389/fimmu.2021.757674] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2021] [Accepted: 10/29/2021] [Indexed: 12/21/2022] Open
Abstract
Exosomes are extracellular microvesicles (30-150 nm) released from cells that contain proteins, lipids, RNA and DNA. They can deliver bioactive molecules and serve as carriers facilitating cell-cell communication, such as antigen presentation, inflammatory activation, autoimmune diseases (AIDs) and tumor metastasis. Recently, much attention has been attracted to the biology and functions of exosomes in immune regulation and AIDs, including autoimmune thyroid diseases (AITDs). Some studies have shown that exosomes are involved in the occurrence and development of AITDs, but they are still in the preliminary stage of exploration. This review mainly introduces the association of exosomes with immune regulation and emphasizes the potential role of exosomes in AITDs, aiming to provide new research strategies and directions for the pathogenesis and early diagnosis of AITDs.
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Affiliation(s)
- Junli Zou
- Department of Endocrinology, The Affiliated People's Hospital of Jiangsu University, Zhenjiang Medical School of Nanjing Medical University, Zhenjiang, China
| | - Huiyong Peng
- Department of Laboratory Medicine, The Affiliated People's Hospital of Jiangsu University, Zhenjiang Medical School of Nanjing Medical University, Zhenjiang, China.,Department of Genetic Toxicology, The Key Laboratory of Modern Toxicology of Ministry of Education, Center for Global Health, School of Public Health, Nanjing Medical University, Nanjing, China
| | - Yingzhao Liu
- Department of Endocrinology, The Affiliated People's Hospital of Jiangsu University, Zhenjiang Medical School of Nanjing Medical University, Zhenjiang, China
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Li L, Zuo H, Huang X, Shen T, Tang W, Zhang X, An T, Dou L, Li J. Bone marrow macrophage-derived exosomal miR-143-5p contributes to insulin resistance in hepatocytes by repressing MKP5. Cell Prolif 2021; 54:e13140. [PMID: 34647385 PMCID: PMC8666281 DOI: 10.1111/cpr.13140] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2021] [Revised: 09/10/2021] [Accepted: 09/20/2021] [Indexed: 12/23/2022] Open
Abstract
OBJECTIVE In this study, we aim to explore the role of bone marrow macrophage-derived exosomes in hepatic insulin resistance, investigate the substance in exosomes that regulates hepatic insulin signalling pathways, reveal the specific molecular mechanisms involved in hepatic insulin resistance and further explore the role of exosomes in type 2 diabetes. MATERIALS AND METHODS High-fat diet (HFD)-fed mice were used as obesity-induced hepatic insulin resistance model, exosomes were isolated from BMMs which were extracted from HFD-fed mice by ultracentrifugation. Exosomes were analysed the spectral changes of microRNA expression using a microRNA array. The activation of the insulin signalling pathway and the level of glycogenesis were examined in hepatocytes after transfected with miR-143-5p mimics. Luciferase assay and western blot were used to assess the target of miR-143-5p. RESULTS BMMs from HFD-fed mice were polarized towards M1, and miR-143-5p was significantly upregulated in exosomes of BMMs from HFD-fed mice. Overexpression of miR-143-5p in Hep1-6 cells led to decreased phosphorylation of AKT and GSK and glycogen synthesis. Dual-luciferase reporter assay and western blot demonstrated that mitogen-activated protein kinase phosphatase-5 (Mkp5, also known as Dusp10) was the target gene of miR-143-5p. Moreover, the overexpression of MKP5 could rescue the insulin resistance induced by transfection miR-143-5p mimics in Hep1-6. CONCLUSION Bone marrow macrophage-derived exosomal miR-143-5p induces insulin resistance in hepatocytes through repressing MKP5.
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Affiliation(s)
- Linfang Li
- The Key Laboratory of GeriatricsBeijing Institute of GeriatricsBeijing Hospital, National Center of GerontologyNational Health Commission; Institute of Geriatric MedicineChinese Academy of Medical SciencesBeijingChina
- Graduate School of Peking Union Medical CollegeBeijingChina
| | - Huiyan Zuo
- The Key Laboratory of GeriatricsBeijing Institute of GeriatricsBeijing Hospital, National Center of GerontologyNational Health Commission; Institute of Geriatric MedicineChinese Academy of Medical SciencesBeijingChina
| | - Xiuqing Huang
- The Key Laboratory of GeriatricsBeijing Institute of GeriatricsBeijing Hospital, National Center of GerontologyNational Health Commission; Institute of Geriatric MedicineChinese Academy of Medical SciencesBeijingChina
| | - Tao Shen
- The Key Laboratory of GeriatricsBeijing Institute of GeriatricsBeijing Hospital, National Center of GerontologyNational Health Commission; Institute of Geriatric MedicineChinese Academy of Medical SciencesBeijingChina
| | - Weiqing Tang
- The Key Laboratory of GeriatricsBeijing Institute of GeriatricsBeijing Hospital, National Center of GerontologyNational Health Commission; Institute of Geriatric MedicineChinese Academy of Medical SciencesBeijingChina
| | - Xiaoyi Zhang
- The Key Laboratory of GeriatricsBeijing Institute of GeriatricsBeijing Hospital, National Center of GerontologyNational Health Commission; Institute of Geriatric MedicineChinese Academy of Medical SciencesBeijingChina
| | - Tong An
- The Key Laboratory of GeriatricsBeijing Institute of GeriatricsBeijing Hospital, National Center of GerontologyNational Health Commission; Institute of Geriatric MedicineChinese Academy of Medical SciencesBeijingChina
| | - Lin Dou
- The Key Laboratory of GeriatricsBeijing Institute of GeriatricsBeijing Hospital, National Center of GerontologyNational Health Commission; Institute of Geriatric MedicineChinese Academy of Medical SciencesBeijingChina
| | - Jian Li
- The Key Laboratory of GeriatricsBeijing Institute of GeriatricsBeijing Hospital, National Center of GerontologyNational Health Commission; Institute of Geriatric MedicineChinese Academy of Medical SciencesBeijingChina
- Graduate School of Peking Union Medical CollegeBeijingChina
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Loss of exosomal LncRNA HCG15 prevents acute myocardial ischemic injury through the NF-κB/p65 and p38 pathways. Cell Death Dis 2021; 12:1007. [PMID: 34707098 PMCID: PMC8551195 DOI: 10.1038/s41419-021-04281-8] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2021] [Revised: 09/28/2021] [Accepted: 10/08/2021] [Indexed: 12/23/2022]
Abstract
Exosomes are nanosized bilayer membrane vesicles that may mediate intercellular communication by transporting bioactive molecules, including noncoding RNAs, mRNAs, and proteins. Research has shown that exosomes play an important role in acute myocardial infarction (AMI), but the function and regulation of exosomal long noncoding RNAs (lncRNAs) in AMI are unclear. Thus, RNA sequencing (RNA-Seq) was conducted to investigate the exosomal lncRNA transcriptome from MI patients and identified 65 differentially expressed lncRNAs between the MI and control groups. HCG15, one of the differentially expressed lncRNAs, was verified to have the highest correlation with cTnT by qRT-PCR, and it also contributed to the diagnosis of AMI by receiver operating characteristic (ROC) analysis. Upregulation of HCG15 expression facilitated cardiomyocyte apoptosis and inflammatory cytokine production and inhibited cell proliferation. We also confirmed that HCG15 was mainly wrapped in exosomes from AC16 cardiomyocytes under hypoxia, which contributed to cardiomyocyte apoptosis, the release of inflammatory factors, and inhibition of cell proliferation via the activation of the NF-κB/p65 and p38 pathways, whereas suppressing the expression of HCG15exerted opposite effects, In addition, Overexpression of HCG15 aggravated cardiac IR injury in C57BL/6J mice. This study not only helps elucidate exosomal lncRNA function in AMI pathogenesis but also contributes to the development of novel therapeutic strategies.
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Fontana S, Mauceri R, Novara ME, Alessandro R, Campisi G. Protein Cargo of Salivary Small Extracellular Vesicles as Potential Functional Signature of Oral Squamous Cell Carcinoma. Int J Mol Sci 2021; 22:ijms222011160. [PMID: 34681822 PMCID: PMC8539015 DOI: 10.3390/ijms222011160] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2021] [Revised: 10/11/2021] [Accepted: 10/13/2021] [Indexed: 02/07/2023] Open
Abstract
The early diagnosis of oral squamous cell carcinoma (OSCC) is still an investigative challenge. Saliva has been proposed as an ideal diagnostic medium for biomarker detection by mean of liquid biopsy technique. The aim of this pilot study was to apply proteomic and bioinformatic strategies to determine the potential use of saliva small extracellular vesicles (S/SEVs) as a potential tumor biomarker source. Among the twenty-three enrolled patients, 5 were free from diseases (OSCC_FREE), 6 were with OSCC without lymph node metastasis (OSCC_NLNM), and 12 were with OSCC and lymph node metastasis (OSCC_LNM). The S/SEVs from patients of each group were pooled and properly characterized before performing their quantitative proteome comparison based on the SWATH_MS (Sequential Window Acquisition of all Theoretical Mass Spectra) method. The analysis resulted in quantitative information for 365 proteins differentially characterizing the S/SEVs of analyzed clinical conditions. Bioinformatic analysis of the proteomic data highlighted that each S/SEV group was associated with a specific cluster of enriched functional network terms. Our results highlighted that protein cargo of salivary small extracellular vesicles defines a functional signature, thus having potential value as novel predict biomarkers for OSCC.
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Affiliation(s)
- Simona Fontana
- Department of Biomedicine, Neurosciences and Advanced Diagnostics, University of Palermo, 90133 Palermo, Italy; (M.E.N.); (R.A.)
- Correspondence: ; Tel.: +39-09123865731
| | - Rodolfo Mauceri
- Department of Surgical, Oncological and Oral Sciences, University of Palermo, 90127 Palermo, Italy; (R.M.); (G.C.)
- Department of Biomedical and Dental Sciences, Morphological and Functional Images, University of Messina, 98124 Messina, Italy
- Department of Dental Surgery, Faculty of Dental Surgery, University of Malta, 2090 Msida, Malta
| | - Maria Eugenia Novara
- Department of Biomedicine, Neurosciences and Advanced Diagnostics, University of Palermo, 90133 Palermo, Italy; (M.E.N.); (R.A.)
| | - Riccardo Alessandro
- Department of Biomedicine, Neurosciences and Advanced Diagnostics, University of Palermo, 90133 Palermo, Italy; (M.E.N.); (R.A.)
- Institute for Biomedical Research and Innovation (IRIB), National Research Council (CNR), 90146 Palermo, Italy
| | - Giuseppina Campisi
- Department of Surgical, Oncological and Oral Sciences, University of Palermo, 90127 Palermo, Italy; (R.M.); (G.C.)
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GDF15 and Cardiac Cells: Current Concepts and New Insights. Int J Mol Sci 2021; 22:ijms22168889. [PMID: 34445593 PMCID: PMC8396208 DOI: 10.3390/ijms22168889] [Citation(s) in RCA: 48] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2021] [Revised: 08/12/2021] [Accepted: 08/13/2021] [Indexed: 02/06/2023] Open
Abstract
Growth and differentiation factor 15 (GDF15) belongs to the transforming growth factor-β (TGF-β) superfamily of proteins. Glial-derived neurotrophic factor (GDNF) family receptor α-like (GFRAL) is an endogenous receptor for GDF15 detected selectively in the brain. GDF15 is not normally expressed in the tissue but is prominently induced by “injury”. Serum levels of GDF15 are also increased by aging and in response to cellular stress and mitochondrial dysfunction. It acts as an inflammatory marker and plays a role in the pathogenesis of cardiovascular diseases, metabolic disorders, and neurodegenerative processes. Identified as a new heart-derived endocrine hormone that regulates body growth, GDF15 has a local cardioprotective role, presumably due to its autocrine/paracrine properties: antioxidative, anti-inflammatory, antiapoptotic. GDF15 expression is highly induced in cardiomyocytes after ischemia/reperfusion and in the heart within hours after myocardial infarction (MI). Recent studies show associations between GDF15, inflammation, and cardiac fibrosis during heart failure and MI. However, the reason for this increase in GDF15 production has not been clearly identified. Experimental and clinical studies support the potential use of GDF15 as a novel therapeutic target (1) by modulating metabolic activity and (2) promoting an adaptive angiogenesis and cardiac regenerative process during cardiovascular diseases. In this review, we comment on new aspects of the biology of GDF15 as a cardiac hormone and show that GDF15 may be a predictive biomarker of adverse cardiac events.
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15
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Nouri MZ, Yu L, Liu L, Chacko KM, Denslow ND, LaDisa JF, Alli AA. Increased endothelial sodium channel activity by extracellular vesicles in human aortic endothelial cells: Putative role of MLP1 and bioactive lipids. Am J Physiol Cell Physiol 2021; 321:C535-C548. [PMID: 34288724 DOI: 10.1152/ajpcell.00092.2020] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Extracellular vesicles (EVs) contain biological molecules and are secreted by cells into the extracellular milieu. The endothelial sodium channel (EnNaC) plays an important role in modulating endothelial cell stiffness. We hypothesized EVs secreted from human aortic endothelial cells (hAoEC) positively regulate EnNaC in an autocrine dependent manner. A comprehensive lipidomic analysis using targeted mass spectrometry was performed on multiple preparations of EVs isolated from the conditioned media of hAoEC or complete growth media of these cells. Cultured hAoEC challenged with EVs isolated from the conditioned media of these cells resulted in an increase in EnNaC activity when compared to the same concentration of media derived EVs or vehicle alone. EVs isolated from the conditioned media of hAoEC but not human fibroblast cells were enriched in MARCKS Like Protein 1 (MLP1). The pharmacological inhibition of the negative regulator of MLP1, protein kinase C, in cultured hAoEC resulted in an increase in EV size and release compared to vehicle or pharmacological inhibition of protein kinase D. The MLP1 enriched EVs increased the density of actin filaments in cultured hAoEC compared to EVs isolated from human fibroblast cells lacking MLP1. We quantified 141 lipids from glycerolipids, glycerophospholipids, and sphingolipids in conditioned media EVs that represented twice the number found in control media EVs. The concentrations of sphingomyelin, lysophosphatidylcholine and phosphatidylethanolamine were higher in conditioned media EVs. These results provide the first evidence for EnNaC regulation in hAoEC by EVs and provide insight into a possible mechanism involving MLP1, unsaturated lipids, and bioactive lipids.
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Affiliation(s)
- Mohammad-Zaman Nouri
- Department of Physiological Sciences and Center for Environmental and Human Toxicology, University of Florida, Gainesville, FL, United States
| | - Ling Yu
- Department of Physiology and Functional Genomics, University of Florida, Gainesville, FL, United States
| | - Lauren Liu
- Department of Physiology and Functional Genomics, University of Florida, Gainesville, FL, United States
| | - Kevin M Chacko
- Department of Physiology and Functional Genomics, University of Florida, Gainesville, FL, United States
| | - Nancy D Denslow
- Department of Physiological Sciences and Center for Environmental and Human Toxicology, University of Florida, Gainesville, FL, United States
| | - John F LaDisa
- Department of Biomedical Engineering, Marquette University and the Medical College of Wisconsin, Milwaukee, WI, United States.,Department of Medicine, Division of Cardiovascular Medicine, Medical College of Wisconsin, Milwaukee, WI, United States.,Department of Physiology, Medical College of Wisconsin, Milwaukee, WI, United States
| | - Abdel A Alli
- Department of Physiology and Functional Genomics, University of Florida, Gainesville, FL, United States.,Department of Medicine, Division of Nephrology, Hypertension, and Renal Transplantation, University of Florida, Gainesville, FL, United States
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16
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Vickram A, Srikumar P, Srinivasan S, Jeyanthi P, Anbarasu K, Thanigaivel S, Nibedita D, Jenila Rani D, Rohini K. Seminal exosomes - An important biological marker for various disorders and syndrome in human reproduction. Saudi J Biol Sci 2021; 28:3607-3615. [PMID: 34121904 PMCID: PMC8176048 DOI: 10.1016/j.sjbs.2021.03.038] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2020] [Revised: 03/09/2021] [Accepted: 03/09/2021] [Indexed: 12/23/2022] Open
Abstract
BACKGROUND Exosomes are nano-sized membrane vesicles, secreted by different types of cells into the body's biological fluids. They are found in abundance in semen as compared to other fluids. Exosomes contain a cargo of lipid molecules, proteins, phospholipids, cholesterol, mRNAs, and miRNAs. Each molecule of seminal exosomes (SE) has a potential role in male reproduction for childbirth. Many potential candidates are available within the seminal exosomes that can be used as diagnostic markers for various diseases or syndromes associated with male reproduction. Also these seminal exospmes play a major role in female reproductive tract for effective fertilization. AIM The aim of this review is to focus on the advancement of human seminal exosomal research and its various properties. METHODS We used many databases like Scopus, Google scholar, NCBI-NLM and other sources to filter the articles of interest published in exosomes. We used phrases like "Exosomes in human semen", "Composition of exosomes in human semen" and other relevant words to filter the best articles. RESULTS Seminal exosomes play a major role in sperm functions like cell-to-cell communication, motility of the sperm cells, maintaining survival capacity for the sperm in the female reproductive tract and spermatogenesis. Also, seminal exosomes are used as a carrier for many regulatory elements using small RNA molecules. miRNAs of the seminal exosomes can be used as a diagnostic marker for prostate cancer instead of prostate specific antigen (PSA). Epididymosomes can be used as a biomarker for reproductive diseases and male infertility. CONCLUSION Seminal exosomes could be used as biological markers for various reproductive disorders, male infertility diagnosis, and it can be used in anti-retroviral research for the identification of novel therapeutics for HIV-1 infection and transmission.
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Affiliation(s)
- A.S. Vickram
- Department of Biotechnology, Saveetha School of Engineering, Saveetha Institute of Medical and Technical Sciences, Chennai, Tamil Nadu, India
| | - P.S. Srikumar
- Unit of Psychiatry, Faculty of Medicine, AIMST University, Semeling, Bedong, Kedah,Malaysia
| | - S. Srinivasan
- Department of Biomedical Engineering, Saveetha School of Engineering, Saveetha Institute of Medical and Technical Sciences, Chennai, Tamil Nadu, India
| | - Palanivelu Jeyanthi
- Department of Biotechnology, Vel Tech Rangarajan Dr. Sagunthala R&D Institute of Science and Technology, Chennai, Tamil Nadu, India
| | - K. Anbarasu
- Department of Bioinformatics, Saveetha School of Engineering, Saveetha Institute of Medical and Technical Sciences, Chennai, Tamil Nadu, India
| | - S. Thanigaivel
- Department of Biotechnology, Saveetha School of Engineering, Saveetha Institute of Medical and Technical Sciences, Chennai, Tamil Nadu, India
| | - Dey Nibedita
- Department of Biotechnology, Saveetha School of Engineering, Saveetha Institute of Medical and Technical Sciences, Chennai, Tamil Nadu, India
| | - D. Jenila Rani
- Department of Biotechnology, Saveetha School of Engineering, Saveetha Institute of Medical and Technical Sciences, Chennai, Tamil Nadu, India
| | - Karunakaran Rohini
- Unit of Biochemistry, Faculty of Medicine, AIMST University, Semeling, Bedong, Kedah, Malaysia
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17
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Mantilla-Escalante DC, López de Las Hazas MC, Crespo MC, Martín-Hernández R, Tomé-Carneiro J, Del Pozo-Acebo L, Salas-Salvadó J, Bulló M, Dávalos A. Mediterranean diet enriched in extra-virgin olive oil or nuts modulates circulating exosomal non-coding RNAs. Eur J Nutr 2021; 60:4279-4293. [PMID: 34027583 DOI: 10.1007/s00394-021-02594-0] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2020] [Accepted: 05/14/2021] [Indexed: 12/14/2022]
Abstract
PURPOSE Exosomes are extracellular vesicles secreted by cells, which can transport different molecules, including nucleic acids. Dietary habits may induce gene regulation through the modulation of exosomal RNAs. We aimed at characterizing exosomal lncRNAs, mRNA and miRNAs modulation after a 1-year adherence to a low-fat diet (LFD) or to Mediterranean-based diets enriched in extra-virgin olive oil (MedDiet + EVOO) or in a mixture of nuts (MedDiet + Nuts). METHODS Plasma samples were collected, at baseline and after 1 year of dietary interventions, from 150 participants included in the PREDIMED study (Reus Center). LncRNAs, mRNAs and miRNAs were isolated from plasma exosomes and screened. RT-qPCR validation was performed for miRNAs. RESULTS Compared with LFD, 413 lncRNAs and 188 mRNAs, and 476 lncRNAs and 235 mRNAs were differentially modulated in response to the MedDiet + EVOO and MedDiet + Nuts interventions, respectively. In addition, after 1 year of dietary interventions, 26 circulating miRNAs were identified as differentially expressed between groups. After 1 year of intervention, 11 miRNAs significantly changed in LFD group, while 8 and 21 were modulated in response to the MedDiet enriched with EVOO or nuts, respectively. Bioinformatic analyses of differentially expressed miRNAs and their validated target genes suggest certain metabolic pathways are modulated by LFD (PI3K-Akt and AMPK), MedDiet + EVOO (PI3K-Akt, NF-kappa B, HIF-1, and insulin resistance), and MedDiet-Nuts (FoxO, PI3K-Akt, AMPK, p53 and HIF-1) interventions. CONCLUSION Results show that 1-year MedDiet + Nuts and MedDiet + EVOO dietary interventions modulate exosomal RNA content, with the former affecting a higher number of miRNAs. The modulation of exosomal RNAs could help explain how the adherence to a Mediterranean diet may lead to beneficial effects and deserves further investigation.
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Affiliation(s)
- Diana C Mantilla-Escalante
- Laboratory of Epigenetics of Lipid Metabolism, Madrid Institute for Advanced Studies (IMDEA)-Food, IMDEA Food Institute, CEI UAM + CSIC, Ctra. De Cantoblanco 8, 28049, Madrid, Spain
| | - María-Carmen López de Las Hazas
- Laboratory of Epigenetics of Lipid Metabolism, Madrid Institute for Advanced Studies (IMDEA)-Food, IMDEA Food Institute, CEI UAM + CSIC, Ctra. De Cantoblanco 8, 28049, Madrid, Spain
| | - M Carmen Crespo
- Laboratory of Functional Foods, Madrid Institute for Advanced Studies (IMDEA)-Food, CEI UAM + CSIC, 28049, Madrid, Spain
| | - Roberto Martín-Hernández
- Bioinformatics and Biostatistics Unit, IMDEA Food Institute, CEI UAM+CSIC, Ctra. De Canto Blanco 8, 28049, Madrid, Spain
| | - Joao Tomé-Carneiro
- Laboratory of Functional Foods, Madrid Institute for Advanced Studies (IMDEA)-Food, CEI UAM + CSIC, 28049, Madrid, Spain
| | - Lorena Del Pozo-Acebo
- Laboratory of Epigenetics of Lipid Metabolism, Madrid Institute for Advanced Studies (IMDEA)-Food, IMDEA Food Institute, CEI UAM + CSIC, Ctra. De Cantoblanco 8, 28049, Madrid, Spain
| | - Jordi Salas-Salvadó
- Institut d'Investigació Sanitària Pere Virgili, 43204, Reus, Spain.,Departament de Bioquímica i Biotecnologia, Universitat Rovira i Virgili, 43201, Reus, Spain.,CIBER Fisiopatología de la Obesidad y Nutrición (CIBEROBN), Instituto de Salud Carlos III, 28029, Madrid, Spain.,Nutrition Unit, University Hospital of Sant Joan de Reus, 43204, Reus, Spain
| | - Mónica Bulló
- Institut d'Investigació Sanitària Pere Virgili, 43204, Reus, Spain.,Departament de Bioquímica i Biotecnologia, Universitat Rovira i Virgili, 43201, Reus, Spain.,CIBER Fisiopatología de la Obesidad y Nutrición (CIBEROBN), Instituto de Salud Carlos III, 28029, Madrid, Spain
| | - Alberto Dávalos
- Laboratory of Epigenetics of Lipid Metabolism, Madrid Institute for Advanced Studies (IMDEA)-Food, IMDEA Food Institute, CEI UAM + CSIC, Ctra. De Cantoblanco 8, 28049, Madrid, Spain.
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18
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Qi L, Lu Y, Wang Z, Zhang G. microRNA-106b derived from endothelial cell-secreted extracellular vesicles prevents skin wound healing by inhibiting JMJD3 and RIPK3. J Cell Mol Med 2021; 25:4551-4561. [PMID: 33734576 PMCID: PMC8107101 DOI: 10.1111/jcmm.16037] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2020] [Revised: 09/30/2020] [Accepted: 10/11/2020] [Indexed: 12/13/2022] Open
Abstract
Intriguingly, microRNAs (miRs) transferred as cargo in extracellular vesicles (EVs) can modulate wound healing through their regulation of fibroblast functions. In this study, we investigated the effects of miR‐106b transfer via EVs derived from human umbilical vein endothelial cells (HUVECs) on skin wound healing. Dual‐luciferase reporter gene assay identified that miR‐106b could target and inhibit JMJD3. RT‐qPCR analysis showed EVs isolated from HUVECs had enriched expression of miR‐106b. LL29 fibroblast cells and HaCaT keratinocytes were co‐cultured with HUVEC‐derived EVs, in which miR‐106b had been up‐regulated or down‐regulated by its mimic or inhibitor. The co‐culture with HUVEC‐derived EVs increased miR‐106b expression, and reduced the viability and adhesion of LL29 and HaCaT cells, whereas the inhibition of miR‐106b in HUVEC‐derived EVs enhanced the viability and adhesion of LL29 and HaCaT cells through up‐regulation of JMJD3. Next, we showed that JMJD3 overexpression enhanced LL29 and HaCaT cell viability and adhesion through elevating RIPK3, which induced the phosphorylation of AKT during the wound‐healing process. We next developed a mouse skin wound model to investigate the actions of miR‐106b in vivo after 14 days. The delivery of miR‐106b via HUVEC‐derived EVs delayed wound healing through suppression of collagen I content and angiogenesis, but had no effects on pro‐inflammatory cytokines. In conclusion, miR‐106b from HUVEC‐derived EVs inhibits JMJD3 and RIPK3, leading to the inhibition of skin wound healing, thus constituting a new therapeutic target.
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Affiliation(s)
- Lin Qi
- Department of Dermatology, The Second Hospital of Jilin University, Changchun, China
| | - Yufeng Lu
- Department of Thoracic Surgery, China-Japan Union Hospital of Jilin University, Changchun, China
| | - Zhaolin Wang
- Department of Orthopaedics, China-Japan Union Hospital of Jilin University, Changchun, China
| | - Guiyun Zhang
- Department of Dermatology, The Second Hospital of Jilin University, Changchun, China
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19
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Zhang Y, Chen B, Xu N, Xu P, Lin W, Liu C, Huang P. Exosomes Promote the Transition of Androgen-Dependent Prostate Cancer Cells into Androgen-Independent Manner Through Up-Regulating the Heme Oxygenase-1. Int J Nanomedicine 2021; 16:315-327. [PMID: 33469288 PMCID: PMC7811443 DOI: 10.2147/ijn.s281710] [Citation(s) in RCA: 12] [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: 09/13/2020] [Accepted: 12/28/2020] [Indexed: 01/02/2023] Open
Abstract
BACKGROUND Castration-resistant prostate cancer (CRPC) is still considered incurable, even though the mechanisms of CRPC had been extensively researched. Studies have demonstrated that exosomes in the tumor microenvironment contribute to prostate cancer development and progression. However, the role of exosomes in the process of CRPC progression has not yet been determined. METHODS Co-culturing and exosome treatment assays combined with in vitro and in vivo assays were performed to determine the function of exosomes in the transformation of androgen-dependent prostate cancer (ADPC) cells into androgen-independent cells. Then, the mRNA expression profiles of ADPC cells and ADPC cells co-cultured with androgen-independent prostate cancer (AIPC) cell-derived exosomes were studied using microarrays. After silencing the expression of heme oxygenase-1 (HMOX1), Western blotting, quantitative real-time PCR, immunohistochemistry (IHC) studies, and MTS assay were used to confirm the mechanisms of exosome participation in CRPC progression. RESULTS The results showed that ADPC cells acquired tolerance for androgen deprivation due to the exosome-mediated communication between cells. AIPC cell-derived exosomes promoted the transformation of ADPC cells into androgen-independent cells in vivo and in vitro. Microarray analysis revealed that HMOX1 in ADPC cells was up-regulated after treatment with AIPC cell-derived exosomes. Further results showed that HMOX1 is overexpressed in human AIPC specimens and protects ADPC cells from androgen deprivation. CONCLUSIONS Our findings revealed that exosomes contribute to CRPC progression via promoting the transition of prostate cancer cells into an androgen-independent growth stage by activating HMOX1.
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Affiliation(s)
- Yiming Zhang
- Department of Urology, Zhujiang Hospital, Southern Medical University, Guangzhou, People’s Republic of China
- Guangzhou Key Laboratory of Inflammatory and Immune Diseases, Zhujiang Hospital, Southern Medical University, Guangzhou, People’s Republic of China
| | - Binshen Chen
- Department of Urology, Zhujiang Hospital, Southern Medical University, Guangzhou, People’s Republic of China
- Guangzhou Key Laboratory of Inflammatory and Immune Diseases, Zhujiang Hospital, Southern Medical University, Guangzhou, People’s Republic of China
| | - Naijin Xu
- Department of Urology, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Japan
| | - Peng Xu
- Department of Urology, Zhujiang Hospital, Southern Medical University, Guangzhou, People’s Republic of China
- Guangzhou Key Laboratory of Inflammatory and Immune Diseases, Zhujiang Hospital, Southern Medical University, Guangzhou, People’s Republic of China
| | - Wenfeng Lin
- Department of Urology, Zhujiang Hospital, Southern Medical University, Guangzhou, People’s Republic of China
- Guangzhou Key Laboratory of Inflammatory and Immune Diseases, Zhujiang Hospital, Southern Medical University, Guangzhou, People’s Republic of China
- Department of Urology, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Japan
| | - Chunxiao Liu
- Department of Urology, Zhujiang Hospital, Southern Medical University, Guangzhou, People’s Republic of China
- Guangzhou Key Laboratory of Inflammatory and Immune Diseases, Zhujiang Hospital, Southern Medical University, Guangzhou, People’s Republic of China
| | - Peng Huang
- Department of Urology, Zhujiang Hospital, Southern Medical University, Guangzhou, People’s Republic of China
- Guangzhou Key Laboratory of Inflammatory and Immune Diseases, Zhujiang Hospital, Southern Medical University, Guangzhou, People’s Republic of China
- Department of Urology, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Japan
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20
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Zhou G, Gu Y, Zhou F, Zhang M, Zhang G, Wu L, Hua K, Ding J. The Emerging Roles and Therapeutic Potential of Extracellular Vesicles in Infertility. Front Endocrinol (Lausanne) 2021; 12:758206. [PMID: 34745016 PMCID: PMC8569852 DOI: 10.3389/fendo.2021.758206] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/13/2021] [Accepted: 09/28/2021] [Indexed: 12/20/2022] Open
Abstract
Infertility is becoming much more common and affects more couples. The past years witnessed the rapid development of the diagnosis and treatment upon infertility, which give numerous coupled more opportunities become parents. Extracellular vesicles are known as nano-sized membrane vesicles to play a major role in intracellular communication. In recent years, several basic and clinical studies have tried to investigate the correlation between the reproductive health/disorder and extracellular vesicles. However, the mechanism is still unclear. In this review, we reviewed the relationship between reproductive physiology and extracellular vesicles, and then collectively focused on the recent findings on the relationship between extracellular and infertility, and its consequent influence on the novel insight regarding the therapeutic strategies for infertility in the future clinical practice.
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Affiliation(s)
- Guannan Zhou
- Department of Gynecology, The Obstetrics and Gynecology Hospital of Fudan University, Shanghai, China
- Department of Gynecology, Shanghai Key Laboratory of Female Reproductive Endocrine Related Diseases, Shanghai, China
| | - Yuanyuan Gu
- Department of Gynecology, The Obstetrics and Gynecology Hospital of Fudan University, Shanghai, China
- Changning Maternity and Infant Health Hospital, East China Normal University, Shanghai, China
| | - Fangyue Zhou
- Department of Gynecology, The Obstetrics and Gynecology Hospital of Fudan University, Shanghai, China
- Department of Gynecology, Shanghai Key Laboratory of Female Reproductive Endocrine Related Diseases, Shanghai, China
| | - Menglei Zhang
- Department of Gynecology, The Obstetrics and Gynecology Hospital of Fudan University, Shanghai, China
- Department of Gynecology, Shanghai Key Laboratory of Female Reproductive Endocrine Related Diseases, Shanghai, China
| | - Ganrong Zhang
- Department of Gynecology, The Obstetrics and Gynecology Hospital of Fudan University, Shanghai, China
- Department of Gynecology, Shanghai Key Laboratory of Female Reproductive Endocrine Related Diseases, Shanghai, China
| | - Ligang Wu
- State Key Laboratory of Molecular Biology, CAS Center for Excellence in Molecular Cell Science, Shanghai Institute of Biochemistry and Cell Biology, Chinese Academy of Sciences, Shanghai, China
- *Correspondence: Jingxin Ding, ; Keqin Hua, ; Ligang Wu,
| | - Keqin Hua
- Department of Gynecology, The Obstetrics and Gynecology Hospital of Fudan University, Shanghai, China
- Department of Gynecology, Shanghai Key Laboratory of Female Reproductive Endocrine Related Diseases, Shanghai, China
- *Correspondence: Jingxin Ding, ; Keqin Hua, ; Ligang Wu,
| | - Jingxin Ding
- Department of Gynecology, The Obstetrics and Gynecology Hospital of Fudan University, Shanghai, China
- Department of Gynecology, Shanghai Key Laboratory of Female Reproductive Endocrine Related Diseases, Shanghai, China
- *Correspondence: Jingxin Ding, ; Keqin Hua, ; Ligang Wu,
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21
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Characterization and Transcriptome Analysis of Exosomal and Nonexosomal RNAs in Bovine Adipocytes. Int J Mol Sci 2020; 21:ijms21239313. [PMID: 33297338 PMCID: PMC7730049 DOI: 10.3390/ijms21239313] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2020] [Revised: 11/30/2020] [Accepted: 12/01/2020] [Indexed: 12/17/2022] Open
Abstract
Exosomes are endosome-derived extracellular vesicles that allow intercellular communication. However, the biological significance of adipocyte exosomal RNAs remains unclear. To determine the role of RNAs from bovine adipocytes and exosomes in bovine adipogenesis, exosomal and nonexosomal RNAs were extracted from three bovine primary white adipocyte samples and then profiles were generated using DNBSEQ/BGISEQ-500 technology. The RNAome of adipocytes consisted of 12,082 mRNAs, 8589 lncRNAs, and 378 miRNAs for a higher complexity that that detected in exosomes, with 1083 mRNAs, 105 lncRNAs, and 48 miRNAs. Exosomal miRNA-mRNA and lncRNA–miRNA–mRNA networks were constructed and enrichment analysis was performed to predict functional roles and regulatory mechanisms. Our study provides the first characterization of RNAs from bovine adipocyte and exosomes. The findings reveal that some RNAs are specifically packaged in adipocyte-derived exosomes, potentially enabling crosstalk between adipocytes and/or other cells that is mediated by exosomes. Our results greatly expand our understanding of exosomal RNAs from bovine adipocytes, and provide a reference for future functional investigations of adipocyte exosomal RNAs under normal physiological conditions.
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22
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Hu ZL, Li HY, Chang X, Li YY, Liu CH, Gao XX, Zhai Y, Chen YX, Li CQ. Exosomes derived from stem cells as an emerging therapeutic strategy for intervertebral disc degeneration. World J Stem Cells 2020; 12:803-813. [PMID: 32952860 PMCID: PMC7477652 DOI: 10.4252/wjsc.v12.i8.803] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/27/2020] [Revised: 06/09/2020] [Accepted: 07/05/2020] [Indexed: 02/06/2023] Open
Abstract
Intervertebral disc (IVD) degenerative diseases are a common problem in the world, and they cause substantial social and economic burdens for people. The current methods for treating IVD degenerative diseases mainly include surgery and conservative treatment, which cannot fundamentally restore the normal structure of the disc. With continuous research on the mechanism of degeneration and the development of regenerative medicine, rapid progress has been made in the field of regenerative medicine regarding the use of stem cell-derived exosomes, which are active biological substances used in intercellular communication, because they show a strong effect in promoting tissue regeneration. The study of exosomes in the field of IVD degeneration has just begun, and many surprising achievements have been made. This paper mainly reviews the biological characteristics of exosomes and highlights the current status of exosomes in the field of IVD degeneration, as well as future developments regarding exosomes.
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Affiliation(s)
- Zhi-Lei Hu
- Department of Orthopedics, Xinqiao Hospital, Army Military Medical University, Chongqing 400037, China
| | - Hai-Yin Li
- Department of Orthopedics, Xinqiao Hospital, Army Military Medical University, Chongqing 400037, China
| | - Xian Chang
- Department of Orthopedics, Xinqiao Hospital, Army Military Medical University, Chongqing 400037, China
| | - Yue-Yang Li
- Department of Orthopedics, Xinqiao Hospital, Army Military Medical University, Chongqing 400037, China
| | - Chen-Hao Liu
- Department of Orthopedics, Xinqiao Hospital, Army Military Medical University, Chongqing 400037, China
| | - Xiao-Xin Gao
- Department of Orthopedics, Xinqiao Hospital, Army Military Medical University, Chongqing 400037, China
| | - Yu Zhai
- Department of Orthopedics, Xinqiao Hospital, Army Military Medical University, Chongqing 400037, China
| | - Yu-Xuan Chen
- Center of Traumatic Orthopedics, People's Liberation Army 990 Hospital, Xinyang 46400, Henan Province, China
| | - Chang-Qing Li
- Department of Orthopedics, Xinqiao Hospital, Army Military Medical University, Chongqing 400037, China
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Bheri S, Hoffman JR, Park HJ, Davis ME. Biomimetic nanovesicle design for cardiac tissue repair. Nanomedicine (Lond) 2020; 15:1873-1896. [PMID: 32752925 DOI: 10.2217/nnm-2020-0097] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
Abstract
Cardiovascular disease is a major cause of mortality and morbidity worldwide. Exosome therapies are promising for cardiac repair. Exosomes transfer cargo between cells, have high uptake by native cells and are ideal natural carriers for proteins and nucleic acids. Despite their proreparative potential, exosome production is dependent on parent cell state with typically low yields and cargo variability. Therefore, there is potential value in engineering exosomes to maximize their benefits by delivering customized, potent cargo for cardiovascular disease. Here, we outline several methods of exosome engineering focusing on three important aspects: optimizing cargo, homing to target tissue and minimizing clearance. Finally, we put these methods in context of the cardiac field and discuss the future potential of vesicle design.
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Affiliation(s)
- Sruti Bheri
- Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology & Emory University School of Medicine, Atlanta, GA 30332, USA
| | - Jessica R Hoffman
- Molecular & Systems Pharmacology Graduate Training Program, Graduate Division of Biological & Biomedical Sciences, Laney Graduate School, Emory University, Atlanta, GA 30322, USA
| | - Hyun-Ji Park
- Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology & Emory University School of Medicine, Atlanta, GA 30332, USA
| | - Michael E Davis
- Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology & Emory University School of Medicine, Atlanta, GA 30332, USA.,Department of Pediatrics, Division of Pediatric Cardiology, School of Medicine, Emory University, Atlanta, GA 30322, USA.,Children's Heart Research & Outcomes (HeRO) Center, Children's Healthcare of Atlanta & Emory University, Atlanta, GA 30322, USA
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24
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Vaskova E, Ikeda G, Tada Y, Wahlquist C, Mercola M, Yang PC. Sacubitril/Valsartan Improves Cardiac Function and Decreases Myocardial Fibrosis Via Downregulation of Exosomal miR-181a in a Rodent Chronic Myocardial Infarction Model. J Am Heart Assoc 2020; 9:e015640. [PMID: 32538237 PMCID: PMC7670523 DOI: 10.1161/jaha.119.015640] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/16/2019] [Accepted: 04/30/2020] [Indexed: 01/12/2023]
Abstract
Background Exosomes are small extracellular vesicles that function as intercellular messengers and effectors. Exosomal cargo contains regulatory small molecules, including miRNAs, mRNAs, lncRNAs, and small peptides that can be modulated by different pathological stimuli to the cells. One of the main mechanisms of action of drug therapy may be the altered production and/or content of the exosomes. Methods and Results We studied the effects on exosome production and content by neprilysin inhibitor/angiotensin receptor blockers, sacubitril/valsartan and valsartan alone, using human-induced pluripotent stem cell-derived cardiomyocytes under normoxic and hypoxic injury model in vitro, and assessed for physiologic correlation using an ischemic myocardial injury rodent model in vivo. We demonstrated that the treatment with sacubitril/valsartan and valsartan alone resulted in the increased production of exosomes by induced pluripotent stem cell-derived cardiomyocytes in vitro in both conditions as well as in the rat plasma in vivo. Next-generation sequencing of these exosomes exhibited downregulation of the expression of rno-miR-181a in the sacubitril/valsartan treatment group. In vivo studies employing chronic rodent myocardial injury model demonstrated that miR-181a antagomir has a beneficial effect on cardiac function. Subsequently, immunohistochemical and molecular studies suggested that the downregulation of miR-181a resulted in the attenuation of myocardial fibrosis and hypertrophy, restoring the injured rodent heart after myocardial infarction. Conclusions We demonstrate that an additional mechanism of action of the pleiotropic effects of sacubitril/valsartan may be mediated by the modulation of the miRNA expression level in the exosome payload.
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Affiliation(s)
- Evgeniya Vaskova
- Cardiovascular InstituteStanford University School of MedicineStanfordCA
- Division of Cardiovascular MedicineDepartment of MedicineStanford University School of MedicineStanfordCA
| | - Gentaro Ikeda
- Cardiovascular InstituteStanford University School of MedicineStanfordCA
- Division of Cardiovascular MedicineDepartment of MedicineStanford University School of MedicineStanfordCA
| | - Yuko Tada
- Cardiovascular InstituteStanford University School of MedicineStanfordCA
- Division of Cardiovascular MedicineDepartment of MedicineStanford University School of MedicineStanfordCA
| | | | - Marc Mercola
- Cardiovascular InstituteStanford University School of MedicineStanfordCA
| | - Phillip C. Yang
- Cardiovascular InstituteStanford University School of MedicineStanfordCA
- Division of Cardiovascular MedicineDepartment of MedicineStanford University School of MedicineStanfordCA
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25
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Yue B, Yang H, Wang J, Ru W, Wu J, Huang Y, Lan X, Lei C, Chen H. Exosome biogenesis, secretion and function of exosomal miRNAs in skeletal muscle myogenesis. Cell Prolif 2020; 53:e12857. [PMID: 32578911 PMCID: PMC7377932 DOI: 10.1111/cpr.12857] [Citation(s) in RCA: 125] [Impact Index Per Article: 31.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2020] [Revised: 05/02/2020] [Accepted: 05/16/2020] [Indexed: 12/17/2022] Open
Abstract
Exosomes are membrane-bound extracellular vesicles that are produced in the endosomal compartment of most mammalian cell types and then released. Exosomes are effective carriers for the intercellular material transfer of material that can influence a series of physiological and pathological processes in recipient cells. Among loaded cargoes, non-coding RNAs (ncRNAs) vary for the exosome-producing cell and its homeostatic state, and characterization of the biogenesis and secretion of exosomal ncRNAs and the functions of these ncRNAs in skeletal muscle myogenesis remain preliminary. In this review, we will describe what is currently known of exosome biogenesis, release and uptake of exosomal ncRNAs, as well as the varied functions of exosomal miRNAs in skeletal muscle myogenesis.
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Affiliation(s)
- Binglin Yue
- Key Laboratory of Animal Genetics, Breeding and Reproduction of Shaanxi Province, College of Animal Science and Technology, Northwest A&F University, Yangling, China
| | - Haiyan Yang
- Key Laboratory of Animal Genetics, Breeding and Reproduction of Shaanxi Province, College of Animal Science and Technology, Northwest A&F University, Yangling, China
| | - Jian Wang
- Key Laboratory of Animal Genetics, Breeding and Reproduction of Shaanxi Province, College of Animal Science and Technology, Northwest A&F University, Yangling, China
| | - Wenxiu Ru
- Key Laboratory of Animal Genetics, Breeding and Reproduction of Shaanxi Province, College of Animal Science and Technology, Northwest A&F University, Yangling, China
| | - Jiyao Wu
- Key Laboratory of Animal Genetics, Breeding and Reproduction of Shaanxi Province, College of Animal Science and Technology, Northwest A&F University, Yangling, China
| | - Yongzheng Huang
- Key Laboratory of Animal Genetics, Breeding and Reproduction of Shaanxi Province, College of Animal Science and Technology, Northwest A&F University, Yangling, China
| | - Xianyong Lan
- Key Laboratory of Animal Genetics, Breeding and Reproduction of Shaanxi Province, College of Animal Science and Technology, Northwest A&F University, Yangling, China
| | - Chuzhao Lei
- Key Laboratory of Animal Genetics, Breeding and Reproduction of Shaanxi Province, College of Animal Science and Technology, Northwest A&F University, Yangling, China
| | - Hong Chen
- Key Laboratory of Animal Genetics, Breeding and Reproduction of Shaanxi Province, College of Animal Science and Technology, Northwest A&F University, Yangling, China
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Gur S, Hellstrom WJ. Harnessing Stem Cell Potential for the Treatment of Erectile Function in Men with Diabetes Mellitus: From Preclinical/Clinical Perspectives to Penile Tissue Engineering. Curr Stem Cell Res Ther 2020; 15:308-320. [DOI: 10.2174/1574888x14666190828142045] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2019] [Revised: 07/10/2019] [Accepted: 08/06/2019] [Indexed: 12/20/2022]
Abstract
Background::
According to the World Health Organization, more than 150 million people
are diabetic, and this number will increase twofold by the year 2025. Diabetes-related complications
affect all body organ systems, including the penis. Diabetes-induced Erectile Dysfunction (ED) is
caused by neuropathy of the penile nerves and vasculopathy involving the smooth muscle and endothelium
of the corpus cavernosum.
Objective::
This study aims to present an overview of Stem Cell (SC) research in diabetic animal models
of ED, focusing on the function, signaling, and niches that have a prominent role in the regeneration
of cavernosal cells and penile tissues. We highlight common erectile pathologies caused by diabetes
and review relevant preclinical trials. We also discuss paracrine mechanisms of various SC therapies
involved in the repair of endothelial cells and cavernous nerves in these diabetic models.
Method::
A PubMed search was performed, with dates ranging from inception until Mar 31, 2019.
Results::
This review provides a comprehensive evaluation of the various strategies that have been
investigated for improving SC delivery methods, through preclinical literature and published clinical
trials regarding ED in men with diabetes. Various cell-type applications have benefited erectile function
in diabetic models of ED.
Conclusion::
This review examines the progress and remaining challenges in diabetes-related SC research
regarding ED. Moving forward, it is only with a combined effort of basic biology and translational
work that the potential of SC-based therapies in diabetes in ED can be realized.
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Affiliation(s)
- Serap Gur
- Department of Urology, Tulane University Health Sciences Center, New Orleans, LA, United States
| | - Wayne J.G. Hellstrom
- Department of Urology, Tulane University Health Sciences Center, New Orleans, LA, United States
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Castro-Magdonel BE, Orjuela M, Alvarez-Suarez DE, Camacho J, Cabrera-Muñoz L, Sadowinski-Pine S, Medina-Sanson A, Lara-Molina C, García-Vega D, Vázquez Y, Durán-Figueroa N, Orozco-Romero MDJ, Hernández-Ángeles A, Ponce-Castañeda MV. Circulating miRNome detection analysis reveals 537 miRNAS in plasma, 625 in extracellular vesicles and a discriminant plasma signature of 19 miRNAs in children with retinoblastoma from which 14 are also detected in corresponding primary tumors. PLoS One 2020; 15:e0231394. [PMID: 32287312 PMCID: PMC7156076 DOI: 10.1371/journal.pone.0231394] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2019] [Accepted: 03/22/2020] [Indexed: 11/29/2022] Open
Abstract
miRNAs regulate post-transcriptional gene expression in metazoans, and thus are involved in many fundamental cellular biological processes. Extracellular miRNAs are also found in most human biofluids including plasma. These circulating miRNAs constitute a long distance inter cellular communication system and are potentially useful biomarkers. High throughput technologies like microarrays are able to scan a complete miRNome providing useful detection scores that are underexplored. We proposed to answer how many and which miRNAs are detectable in plasma or extracellular vesicles as these questions have not yet been answered. We set out to address this knowledge gap by analyzing the mirRNome in plasma and corresponding extracellular vesicles (EVs) from 12 children affected by retinoblastoma (Rb) a childhood intraocular malignant tumor, as well as from 12 healthy similarly aged controls. We calculated an average of 537 detectable miRNAs in plasma and 625 in EVs. The most miRNA enriched compartment were EVs from Rb cases with an average of 656 detectable elements. Using hierarchical clustering with the detection scores, we generated broad detection mirnome maps and identified a plasma signature of 19 miRNAs present in all Rb cases that is able to discriminate cases from controls. An additional 9 miRNAs were detected in all the samples; within this group, miRNA-5787 and miRNA-6732-5p were highly abundant and displayed very low variance across all the samples, suggesting both are good candidates to serve as plasma references or normalizers. Further exploration considering participant’s sex, allowed discovering 5 miRNAs which corresponded only to females and 4 miRNAs corresponding only to males. Target and pathway analysis of these miRNAs revealed hormonal function including estrogen, thyroid signaling pathways and testosterone biosynthesis. This approach allows a comprehensive unbiased survey of a circulating miRNome landscape, creating the possibility to define normality in mirnomic profiles, and to locate where in these miRNome profiles promising and potentially useful circulating miRNA signatures can be found.
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Affiliation(s)
- Blanca Elena Castro-Magdonel
- Medical Research Unit in Infectious Diseases, Hospital de Pediatría, CMN SXXI, Instituto Mexicano del Seguro Social, Mexico City, Mexico
| | - Manuela Orjuela
- Epidemiology Department, Columbia University, New York, New York, United States of America
| | - Diana E. Alvarez-Suarez
- Medical Research Unit in Infectious Diseases, Hospital de Pediatría, CMN SXXI, Instituto Mexicano del Seguro Social, Mexico City, Mexico
- Pharmacology Department, CINVESTAV, Mexico City, Mexico
| | | | - Lourdes Cabrera-Muñoz
- Pathology Department, Hospital Infantil de Mexico Federico Gómez, Secretaría de Salud, Mexico City, Mexico
| | - Stanislaw Sadowinski-Pine
- Pathology Department, Hospital Infantil de Mexico Federico Gómez, Secretaría de Salud, Mexico City, Mexico
| | - Aurora Medina-Sanson
- Oncology Department, Hospital Infantil de México Federico Gómez, Secretaría de Salud, Mexico City, Mexico
| | - Citlali Lara-Molina
- Ophtalmology Department, Hospital Infantil de Mexico Federico Gómez, Secretaría de Salud, Mexico City, Mexico
| | - Daphne García-Vega
- Ophtalmology Department, Hospital de Pediatría Silvestre Frenk, CMN SXXI, IMSS, Mexico City, Mexico
| | - Yolanda Vázquez
- Ophtalmology Department, Hospital de Pediatría Silvestre Frenk, CMN SXXI, IMSS, Mexico City, Mexico
| | - Noé Durán-Figueroa
- Unidad Profesional Interdisciplinaria de Biotecnología, Instituto Politécnico Nacional, Mexico City, Mexico
| | | | - Adriana Hernández-Ángeles
- Medical Research Unit in Infectious Diseases, Hospital de Pediatría, CMN SXXI, Instituto Mexicano del Seguro Social, Mexico City, Mexico
| | - M. Verónica Ponce-Castañeda
- Medical Research Unit in Infectious Diseases, Hospital de Pediatría, CMN SXXI, Instituto Mexicano del Seguro Social, Mexico City, Mexico
- * E-mail:
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Kumar S, Ramesh A, Kulkarni A. Targeting macrophages: a novel avenue for cancer drug discovery. Expert Opin Drug Discov 2020; 15:561-574. [PMID: 32141351 DOI: 10.1080/17460441.2020.1733525] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Introduction: Tumor-associated macrophages (TAMs) make up a significant portion of the tumor microenvironment. Emerging clinical evidence indicate that cytokines present in the tumor microenvironment influence TAMs to play an immunosuppressive role by acquiring a pro-tumoral phenotype. However, TAMs are inherently plastic cells that can be phenotypically reprogrammed to elicit an anti-tumoral response. Therapeutic strategies that focus on targeting TAMs have opened new avenues for drug discoveries.Areas covered: This review discusses recent developments in TAM targeted immunotherapy in both preclinical and clinical settings. This article highlights the potential signaling pathways that can be targeted for macrophage reprogramming and discusses the progress of current clinical trials involved in TAMs targeting. Novel nanoparticle-based drug delivery strategies involved in macrophage-based cancer therapeutics and diagnostics are also discussed.Expert opinion: TAM targeted therapies have limited success in clinics due to reasons such as insufficient inhibition of signaling pathways, lower drug accumulation in the tumor, activation of feedback signaling pathways that induce resistance to monotherapies and systemic dose-related toxicities. Nanoparticle-based delivery platforms could overcome these challenges since they enable encapsulation of multiple drugs that target different signaling pathways and enhance intratumoral delivery and can enable delivery of imaging agents.
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Affiliation(s)
- Sahana Kumar
- Department of Chemical Engineering, University of Massachusetts, Amherst, MA, USA
| | - Anujan Ramesh
- Department of Chemical Engineering, University of Massachusetts, Amherst, MA, USA.,Department of Biomedical Engineering, University of Massachusetts, Amherst, MA, USA
| | - Ashish Kulkarni
- Department of Chemical Engineering, University of Massachusetts, Amherst, MA, USA.,Department of Biomedical Engineering, University of Massachusetts, Amherst, MA, USA.,Center for Bioactive Delivery, Institute for Applied Life Sciences, University of Massachusetts, Amherst, MA, USA
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29
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Wei F, Zhao L, Jing Y. Hemoglobin-derived peptides and mood regulation. Peptides 2020; 127:170268. [PMID: 32070683 DOI: 10.1016/j.peptides.2020.170268] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/18/2019] [Revised: 02/02/2020] [Accepted: 02/04/2020] [Indexed: 12/12/2022]
Abstract
Evidence accumulated over the past decades has revealed that red blood cells and hemoglobin (Hb) in the blood play important roles in modulating moods and emotions. The number of red blood cells affects the mood. Hb is the principal content in the red blood cells besides water. Denatured Hb is hydrolyzed to produce bioactive peptides. RVD-hemopressin α (RVD-Hpα), which is a fragment of α-chain (95-103) in Hb, functions as a negative allosteric modulator of cannabinoid receptor 1 and a positive allosteric modulator of cannabinoid receptor 2. Hemorphins, which are fragments of β-chain in Hb, exert their effects on opioid receptors. Two hemorphins, namely, LVV-hemorphin-6 and LVV-hemorphin-7, could induce anxiolytic-like effects. The use of Hb-derived bioactive peptides for the treatment of mood disorders is desirable due to cannabinoid-opioid cross modulation and the critical roles of the two systems in physiological processes, such as memory, mood and emotion.
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Affiliation(s)
- Fengmei Wei
- Department of Physiology and Psychology, School of Basic Medical Sciences, Lanzhou University, Lanzhou, Gansu, 730000, PR China
| | - Long Zhao
- Department of Orthopaedics, Lanzhou University First Affiliated Hospital, Lanzhou, Gansu, 730000, PR China
| | - Yuhong Jing
- Institute of Anatomy and Histology & Embryology, Neuroscience, School of Basic Medical Sciences, Lanzhou University, Lanzhou, Gansu, 730000, PR China; Key Laboratory of Preclinical Study for New Drugs of Gansu Province, Lanzhou University, Lanzhou, Gansu, 730000, PR China.
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30
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Cooper LF, Ravindran S, Huang CC, Kang M. A Role for Exosomes in Craniofacial Tissue Engineering and Regeneration. Front Physiol 2020; 10:1569. [PMID: 32009978 PMCID: PMC6971208 DOI: 10.3389/fphys.2019.01569] [Citation(s) in RCA: 44] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2019] [Accepted: 12/13/2019] [Indexed: 12/16/2022] Open
Abstract
Tissue engineering and regenerative medicine utilize mesenchymal stem cells (MSCs) and their secretome in efforts to create or induce functional tissue replacement. Exosomes are specific extracellular vesicles (EVs) secreted by MSCs and other cells that carry informative cargo from the MSC to targeted cells that influence fundamental cellular processes including apoptosis, proliferation, migration, and lineage-specific differentiation. In this report, we review the current knowledge regarding MSC exosome biogenesis, cargo and function. This review summarizes the use of MSC exosomes to control or induce bone, cartilage, dentin, mucosa, and pulp tissue formation. The next-step engineering of exosomes provides additional avenues to enhance oral and craniofacial tissue engineering and regeneration.
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Affiliation(s)
- Lyndon F. Cooper
- College of Dentistry, The University of Illinois at Chicago, Chicago, IL, United States
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Chidester S, Livinski AA, Fish AF, Joseph PV. The Role of Extracellular Vesicles in β-Cell Function and Viability: A Scoping Review. Front Endocrinol (Lausanne) 2020; 11:375. [PMID: 32595604 PMCID: PMC7300279 DOI: 10.3389/fendo.2020.00375] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/02/2020] [Accepted: 05/12/2020] [Indexed: 12/15/2022] Open
Abstract
Extracellular vesicles (EVs) released by cells throughout the body have been implicated in diabetes pathogenesis. Understanding the role of EVs in regulation of β-cell function and viability may provide insights into diabetes etiology and may lead to the development of more effective screening and diagnostic tools to detect diabetes earlier and prevent disease progression. This review was conducted to determine what is known from the literature about the effect of EV crosstalk on pancreatic β-cell function and viability in the pathogenesis of diabetes mellitus, to perform a gap analysis for future research directions, and to discuss implications of available evidence for diabetes care. The literature search yielded 380 studies from which 31 studies were determined to meet eligibility criteria. The majority of studies had the disease context of autoimmunity in T1DM. The most commonly studied EV crosstalk dynamics involved localized EV-mediated communication between β-cells and other islet cells, or between β-cells and immune cells. Other organs and tissues secreting EVs that affect β-cells include skeletal muscle, hepatocytes, adipocytes, immune cells, bone marrow, vascular endothelium, and mesenchymal stem cells. Characterization of EV cargo molecules with regulatory effects in β-cells was conducted in 24 studies, with primary focus on microRNA cargo. Gaps identified included scarcity of evidence for the effect on β-cell function and viability of EVs from major metabolic organs/tissues such as muscle, liver, and adipose depots. Future research should address these gaps as well as characterize a broader range of EV cargo molecules and their activity in β-cells.
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Affiliation(s)
- Stephanie Chidester
- Sensory Science & Metabolism Unit, Biobehavioral Branch, National Institute of Nursing Research, Division of Intramural Research, National Institutes of Health, Department of Health and Human Services, Bethesda, MD, United States
- College of Nursing, University of Missouri-St. Louis, St. Louis, MO, United States
| | - Alicia A. Livinski
- National Institutes of Health Library, Office of Research Services, OD, Department of Health and Human Services, National Institutes of Health, Bethesda, MD, United States
| | - Anne F. Fish
- College of Nursing, University of Missouri-St. Louis, St. Louis, MO, United States
| | - Paule V. Joseph
- Sensory Science & Metabolism Unit, Biobehavioral Branch, National Institute of Nursing Research, Division of Intramural Research, National Institutes of Health, Department of Health and Human Services, Bethesda, MD, United States
- *Correspondence: Paule V. Joseph
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Maremanda KP, Sundar IK, Rahman I. Protective role of mesenchymal stem cells and mesenchymal stem cell-derived exosomes in cigarette smoke-induced mitochondrial dysfunction in mice. Toxicol Appl Pharmacol 2019; 385:114788. [PMID: 31678243 PMCID: PMC6894395 DOI: 10.1016/j.taap.2019.114788] [Citation(s) in RCA: 63] [Impact Index Per Article: 12.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2019] [Revised: 10/17/2019] [Accepted: 10/21/2019] [Indexed: 12/29/2022]
Abstract
BACKGROUND Cigarette smoke (CS)-induced lung inflammation and Chronic Obstructive Pulmonary disease (COPD) involves mitochondrial dysfunction. Mesenchymal stem cells (MSC) and MSC-derived exosomes (EXO) are reported to show therapeutic effects in many animal models of inflammation and injury. In the present study, we determined the role of MSC and EXO intervention in CS-induced lung inflammation with a focus on mitochondrial dysfunction. METHODS EXO were characterized using Western blot for exosomal markers, tunable resistive pulse sensing by qNano and transmission electron microscopy (TEM). Mitochondrial reporter mice (mt-Keima and mito-QC) were exposed to air or CS for 10 days. mt-Keima mice were treated with intraperitoneal injections of MSC or EXO or MSC and EXO (MSC + EXO) for 10 days. Total cell counts, differential cell counts were performed using automated cell counter and flow cytometry respectively. Further, the levels of pro-inflammatory mediators in bronchoalveolar lavage (BAL) fluid were measured using ELISA. Western blot analysis, quantitative PCR, confocal microscopy were used in the current study to determine the effects in the lungs of CS exposed mice. Seahorse flux analyzer was used to measure the oxidative-phosphorylation (OXPHOS) in the BEAS2B cells and BEAS2B - mMSC co-culture experiments. RESULTS CS exposure increased the inflammatory cellular infiltrations in the lungs of the mt-Keima mice. MSC + EXO treatment showed protection compared to individual treatments (MSC or EXO alone). There were no changes in the mitophagy proteins like PINK1 and Parkin, which was also found using the mito-QC mice. CS exposure led to significant increase in the mitochondrial fission protein DRP1 and other DAMPs pathway mediators like S100A4 and S100A8, HMGB1, RAGE and AGE. MSC + EXO treatment increased the gene expression of (fusion genes) mfn1, mfn2 and opa1. Additionally, the rhot1 gene expression was increased in MSC + EXO treatment group compared to Air- and CS exposed groups. BEAS2B-mMSC co-cultures showed protective response against the CSE-altered mitochondrial respiration parameters, confirming the beneficial effect of MSC towards human bronchial lung epithelial cells. CONCLUSION CS affects some of early mitochondrial genes involved in the fission/fusion process, enhancing the damage response along with altered cytokine levels. MSC + EXO combination treatment showed their protective effects. MSC + EXO combination treatment may act against these early events caused by CS exposure owing to its anti-inflammatory and other mitochondrial transfer mechanisms.
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Affiliation(s)
- Krishna Prahlad Maremanda
- Department of Environmental Medicine, University of Rochester Medical Center, Box 850, 601 Elmwood Avenue, Rochester, NY, USA
| | - Isaac Kirubakaran Sundar
- Department of Environmental Medicine, University of Rochester Medical Center, Box 850, 601 Elmwood Avenue, Rochester, NY, USA
| | - Irfan Rahman
- Department of Environmental Medicine, University of Rochester Medical Center, Box 850, 601 Elmwood Avenue, Rochester, NY, USA.
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Exosomal miR-1246 in serum as a potential biomarker for early diagnosis of gastric cancer. Int J Clin Oncol 2019; 25:89-99. [PMID: 31506750 DOI: 10.1007/s10147-019-01532-9] [Citation(s) in RCA: 49] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2019] [Accepted: 08/21/2019] [Indexed: 02/06/2023]
Abstract
BACKGROUND Gastric cancer (GC) patients are usually diagnosed in advanced stages which results in high mortality. This study aimed to identify novel circulating miRNAs as biomarkers for the early detection of GC. METHODS Candidate miRNA was identified after integrated analysis of two Gene Expression Omnibus (GEO) datasets and clinical serum samples. Exosomes extracted were verified using transmission electron microscopy (TEM) and western blot. The expressions of miRNAs were tested through qRT-PCR. Receiver operating characteristic curve (ROC) analysis was used to explore the diagnostic utility of miRNAs. RNA pull-down assay was used to find RNA binding proteins (RBPs) which transport candidate miRNA into exosomes. Bioinformatics analysis of candidate miRNA was conducted using DAVID and Cytoscape. RESULTS After integrated analysis of two GEO datasets, six circulating miRNAs were found to be consistently upregulated in GC patients. Then, qRT-PCR demonstrated that serum miR-1246 was the one with the largest fold change. Studies in vitro revealed that elevated serum miR-1246 was tumor-derived by being packaged into exosomes with the help of ELAVL1. Thereafter, we discovered that exosomal miR-1246 expressions in serum could differentiate GC patients with TNM stage I from healthy controls (HCs) and patients with benign diseases (BDs) with area under the curve (AUC) of 0.843 and 0.811, respectively. Bioinformatics analysis revealed miR-1246, as a tumor suppressor in GC, could regulate several signaling pathways. CONCLUSION Circulating exosomal miR-1246 was a potential biomarker for the early diagnosis of GC.
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34
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Niehl A, Heinlein M. Perception of double-stranded RNA in plant antiviral immunity. MOLECULAR PLANT PATHOLOGY 2019; 20:1203-1210. [PMID: 30942534 PMCID: PMC6715784 DOI: 10.1111/mpp.12798] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/10/2023]
Abstract
RNA silencing and antiviral pattern-triggered immunity (PTI) both rely on recognition of double-stranded (ds)RNAs as defence-inducing signals. While dsRNA recognition by dicer-like proteins during antiviral RNA silencing is thoroughly investigated, the molecular mechanisms involved in dsRNA perception leading to antiviral PTI are just about to be untangled. Parallels to antimicrobial PTI thereby only partially facilitate our view on antiviral PTI. PTI against microbial pathogens involves plasma membrane bound receptors; however, dsRNAs produced during virus infection occur intracellularly. Hence, how dsRNA may be perceived during this immune response is still an open question. In this short review, we describe recent discoveries in PTI signalling upon sensing of microbial patterns and endogenous 'danger' molecules with emphasis on immune signalling-associated subcellular trafficking processes in plants. Based on these studies, we develop different scenarios how dsRNAs could be sensed during antiviral PTI.
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Affiliation(s)
- Annette Niehl
- Julius Kühn‐Institute, Institute for Epidemiology and Pathogen DiagnosticsMesseweg 11‐12D‐38104BraunschweigGermany
| | - Manfred Heinlein
- Université de Strasbourg, CNRS, IBMP UPR235712 rue du Général ZimmerF‐67000StrasbourgFrance
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Yu H, Wang Z. Cardiomyocyte-Derived Exosomes: Biological Functions and Potential Therapeutic Implications. Front Physiol 2019; 10:1049. [PMID: 31481897 PMCID: PMC6710398 DOI: 10.3389/fphys.2019.01049] [Citation(s) in RCA: 43] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2019] [Accepted: 07/30/2019] [Indexed: 12/21/2022] Open
Abstract
Exosomes, which are membrane-enclosed nanovesicles released by almost all cell types, have been recognized to play important roles in mediating cell-cell communication. In recent years, the physiological and pathological effects of exosomes on cardiovascular disease have been extensively studied. Exosomes can transfer proteins, mRNAs, microRNAs, and other bioactive molecules to recipient cells to influence their biological properties. In recent years, accumulating evidence has suggested that cardiomyocyte-derived exosomes play an important role in the progression of cardiovascular disease. Here, we summarize the functional roles of cardiomyocyte-derived exosomes in cardiovascular physiology and pathology.
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Affiliation(s)
- Hui Yu
- The Second Affiliated Hospital, Baotou Medical College, Baotou, China
| | - Zhanli Wang
- The Second Affiliated Hospital, Baotou Medical College, Baotou, China
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Multiple Roles of Exosomal Long Noncoding RNAs in Cancers. BIOMED RESEARCH INTERNATIONAL 2019; 2019:1460572. [PMID: 31360701 PMCID: PMC6642753 DOI: 10.1155/2019/1460572] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/01/2019] [Revised: 05/12/2019] [Accepted: 06/13/2019] [Indexed: 02/07/2023]
Abstract
Long noncoding RNAs (lncRNAs) are not transcriptional noise, as previously understood, but are currently considered to be multifunctional. Exosomes are derived from the internal multivesicular compartment and are extracellular vesicles (EVs) with diameters of 30–100 nm. Exosomes play significant roles in the intercellular exchange of information and material. Exosomal lncRNAs may be promising biomarkers for cancer diagnosis and potential targets for cancer therapies, since they are increasingly understood to be involved in tumorigenesis, tumor angiogenesis, and chemoresistance. This review mainly focuses on the roles of emerging exosomal lncRNAs in cancer. In addition, the biogenesis of exosomes, the functions of lncRNAs, and the mechanisms of lncRNAs in exosome-mediated cell-cell communication are also summarized.
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Faruqu FN, Wang JTW, Xu L, McNickle L, Chong EMY, Walters A, Gurney M, Clayton A, Smyth LA, Hider R, Sosabowski J, Al-Jamal KT. Membrane Radiolabelling of Exosomes for Comparative Biodistribution Analysis in Immunocompetent and Immunodeficient Mice - A Novel and Universal Approach. Am J Cancer Res 2019; 9:1666-1682. [PMID: 31037130 PMCID: PMC6485196 DOI: 10.7150/thno.27891] [Citation(s) in RCA: 87] [Impact Index Per Article: 17.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2018] [Accepted: 11/08/2018] [Indexed: 12/14/2022] Open
Abstract
Extracellular vesicles, in particular exosomes, have recently gained interest as novel drug delivery vectors due to their biological origin and inherent intercellular biomolecule delivery capability. An in-depth knowledge of their in vivo biodistribution is therefore essential. This work aimed to develop a novel, reliable and universal method to radiolabel exosomes to study their in vivo biodistribution. Methods: Melanoma (B16F10) cells were cultured in bioreactor flasks to increase exosome yield. B16F10-derived exosomes (ExoB16) were isolated using ultracentrifugation onto a single sucrose cushion, and were characterised for size, yield, purity, exosomal markers and morphology using nanoparticle tracking analysis (NTA), protein measurements, flow cytometry and electron microscopy. ExoB16 were radiolabelled using 2 different approaches - intraluminal labelling (entrapment of 111Indium via tropolone shuttling); and membrane labelling (chelation of 111Indium via covalently attached bifunctional chelator DTPA-anhydride). Labelling efficiency and stability was assessed using gel filtration and thin layer chromatography. Melanoma-bearing immunocompetent (C57BL/6) and immunodeficient (NSG) mice were injected intravenously with radiolabelled ExoB16 (1x1011 particles/mouse) followed by metabolic cages study, whole body SPECT-CT imaging and ex vivo gamma counting at 1, 4 and 24 h post-injection. Results: Membrane-labelled ExoB16 showed superior radiolabelling efficiency and radiochemical stability (19.2 ± 4.53 % and 80.4 ± 1.6 % respectively) compared to the intraluminal-labelled exosomes (4.73 ± 0.39 % and 14.21 ± 2.76 % respectively). Using the membrane-labelling approach, the in vivo biodistribution of ExoB16 in melanoma-bearing C57Bl/6 mice was carried out, and was found to accumulate primarily in the liver and spleen (~56% and ~38% ID/gT respectively), followed by the kidneys (~3% ID/gT). ExoB16 showed minimal tumour i.e. self-tissue accumulation (~0.7% ID/gT). The membrane-labelling approach was also used to study ExoB16 biodistribution in melanoma-bearing immunocompromised (NSG) mice, to compare with that in the immunocompetent C57Bl/6 mice. Similar biodistribution profile was observed in both C57BL/6 and NSG mice, where prominent accumulation was seen in liver and spleen, apart from the significantly lower tumour accumulation observed in the NSG mice (~0.3% ID/gT). Conclusion: Membrane radiolabelling of exosomes is a reliable approach that allows for accurate live imaging and quantitative biodistribution studies to be performed on potentially all exosome types without engineering parent cells.
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Exosome-Mediated Signaling in Epithelial to Mesenchymal Transition and Tumor Progression. J Clin Med 2018; 8:jcm8010026. [PMID: 30591649 PMCID: PMC6352067 DOI: 10.3390/jcm8010026] [Citation(s) in RCA: 45] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2018] [Revised: 12/18/2018] [Accepted: 12/21/2018] [Indexed: 12/11/2022] Open
Abstract
Growing evidence points to exosomes as key mediators of cell⁻cell communication, by transferring their specific cargo (e.g., proteins, lipids, DNA and RNA molecules) from producing to receiving cells. In cancer, the regulation of the exosome-mediated intercellular communication may be reshaped, inducing relevant changes in gene expression of recipient cells in addition to microenvironment alterations. Notably, exosomes may deliver signals able to induce the transdifferentiation process known as Epithelial-to-Mesenchymal Transition (EMT). In this review, we summarize recent findings on the role of exosomes in tumor progression and EMT, highlighting current knowledge on exosome-mediated intercellular communication in tumor-niche establishment, migration, invasion, and metastasis processes. This body of evidence suggests the relevance of taking into account exosome-mediated signaling and its multifaceted aspects to develop innovative anti-tumoral therapeutic approaches.
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Abstract
Extracellular vesicles, in particular exosomes, have recently gained
interest as novel drug delivery vectors due to their biological origin,
abundance, and intrinsic capability in intercellular delivery of various
biomolecules. This work establishes an isolation protocol to achieve high yield
and high purity of exosomes for siRNA delivery. Human Embryonic Kidney cells
(HEK-293 cells) are cultured in bioreactor flasks and the culture supernatant
(hereon referred to as conditioned medium) is harvested on a weekly basis to
allow for enrichment of HEK-293 exosomes. The conditioned medium (CM) is
pre-cleared of dead cells and cellular debris by differential centrifugation and
is subjected to ultracentrifugation onto a sucrose cushion followed by a washing
step, to collect the exosomes. Isolated HEK-293 exosomes are characterized for
yield, morphology and exosomal marker expression by nanoparticle tracking
analysis, protein quantification, electron microscopy and flow cytometry,
respectively. Small interfering RNA (siRNA), fluorescently labeled with Atto655,
is loaded into exosomes by electroporation and excess siRNA is removed by gel
filtration. Cell uptake in PANC-1 cancer cells, after 24 h incubation at 37
°C, is confirmed by flow cytometry. HEK-293 exosomes are 107.0 ±
8.2 nm in diameter. The exosome yield and particle-to-protein ratio (P:P) ratio
are 6.99 ± 0.22 × 1012 particle/mL and 8.3 ± 1.7
× 1010 particle/µg, respectively. The encapsulation
efficiency of siRNA in exosomes is ~ 10-20%. Forty percent of the cells
show positive signals for Atto655 at 24 h post-incubation. In conclusion,
exosome isolation by ultracentrifugation onto sucrose cushion offers a
combination of good yield and purity. siRNA could be successfully loaded into
exosomes by electroporation and subsequently delivered into cancer cells
in vitro. This protocol offers a standard procedure for
developing siRNA-loaded exosomes for efficient delivery to cancer cells.
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Affiliation(s)
- Farid N Faruqu
- Institute of Pharmaceutical Science, King's College London
| | - Lizhou Xu
- Institute of Pharmaceutical Science, King's College London
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Ilgın C, Topuzoğlu A. Extracellular Vesicles in Psychiatry Research in the Context of RDoC Criteria. Psychiatry Investig 2018; 15:1011-1018. [PMID: 30380817 PMCID: PMC6259002 DOI: 10.30773/pi.2018.09.17] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/27/2018] [Revised: 09/06/2018] [Accepted: 09/17/2018] [Indexed: 12/18/2022] Open
Abstract
The analysis of extracellular vesicles has been accelerated because of the technological advancements in omics methods in recent decades. Extracellular vesicles provide multifaceted information regarding the functional status of the cells. This information would be critical in case of central nervous system cells, which are confined in a relatively sealed biological compartment. This obstacle is more dramatic in psychiatric disorders since their diagnosis primarily depend on the symptoms and signs of the patients. In this paper, we reviewed this rapidly advancing field by discussing definition of extracellular vesicles, their biogenesis and potential use as clinical biomarkers. Then we focused on their potential use in psychiatric disorders in the context of diagnosis and treatment of these disorders. Finally, we tried to combine the RDoC (Research Domain Criteria) with the use of extracellular vesicles in psychiatry research and practice. This review may offer new insights in both basic and translational research focusing on psychiatric disorders.
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Affiliation(s)
- Can Ilgın
- Department of Public Health, Marmara University School of Medicine, Istanbul, Turkey
| | - Ahmet Topuzoğlu
- Department of Public Health, Marmara University School of Medicine, Istanbul, Turkey
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Li N, Rochette L, Wu Y, Rosenblatt-Velin N. New Insights into the Role of Exosomes in the Heart After Myocardial Infarction. J Cardiovasc Transl Res 2018; 12:18-27. [PMID: 30173401 DOI: 10.1007/s12265-018-9831-z] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/27/2018] [Accepted: 08/26/2018] [Indexed: 12/15/2022]
Abstract
Intercellular communications play a pivotal role in several cardiac pathophysiological processes. One subtype of extracellular vesicles, so-called exosomes, became known as important intercellular communication mediators in the heart. Exosomes are lipid bilayer biological nanovesicles loaded with diverse proteins, lipids, and mRNAs/microRNAs. All major cardiac cell types can modulate recipient cellular function via the release of exosomes. After myocardial infarction (MI), exosomes, especially those secreted by different cardiac stem cells, have been shown to confer cardioprotective effects, activate regenerative signals, and participate into cardiac repair. In this review, we rapidly recall the biology of exosomes at the beginning. Then we summarize the exosomes secreted by different myocardial cells and their function in cardiac intercellular communication. At last, we discuss the role of these vesicles in cardiac repair after MI.
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Affiliation(s)
- Na Li
- Unité de Physiopathologie Clinique, Département cœur-vaisseaux, Centre Hospitalier Universitaire Vaudois and University of Lausanne, Bugnon 7a, 1005, Lausanne, Switzerland.
| | - Luc Rochette
- Research team Pathophysiology and Epidemiology of Cerebro-Cardiovascular diseases (PEC2, EA7460), University of Bourgogne Franche-Comté, UFR des Sciences de Santé, 7 Boulevard Jeanne d'Arc, 21079, Dijon, France
| | - Yongxin Wu
- FEMTO-ST Institute, University of Bourgogne Franche-Comté, ENSMM, CNRS, 24 rue Savary, F-25000, Besançon, France
| | - Nathalie Rosenblatt-Velin
- Unité de Physiopathologie Clinique, Département cœur-vaisseaux, Centre Hospitalier Universitaire Vaudois and University of Lausanne, Bugnon 7a, 1005, Lausanne, Switzerland
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Pagano F, Picchio V, Angelini F, Iaccarino A, Peruzzi M, Cavarretta E, Biondi-Zoccai G, Sciarretta S, De Falco E, Chimenti I, Frati G. The Biological Mechanisms of Action of Cardiac Progenitor Cell Therapy. Curr Cardiol Rep 2018; 20:84. [PMID: 30105430 DOI: 10.1007/s11886-018-1031-6] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
PURPOSE OF REVIEW Cell therapy for cardiovascular diseases is regarded as a rapidly growing field within regenerative medicine. Different cellular populations enriched for cardiac progenitor cells (CPCs), or derivate a-cellular products, are currently under preclinical and clinical evaluation. Here, we have reviewed the described mechanisms whereby resident post-natal CPCs, isolated in different ways, act as a therapeutic product on the damaged myocardium. RECENT FINDINGS Several biological mechanisms of action have been described which can explain the multiple therapeutic effects of CPC treatment observed on cardiac function and remodelling. These mechanisms span from direct cardiovascular differentiation, through induction of resident progenitor proliferation, to paracrine effects on cardiac and non-cardiac cells mediated by exosomes and non-coding RNAs. All the reported mechanisms of action support an integrated view including cardiomyogenesis, cardioprotection, and anti-fibrotic effects. Moreover, future developments of CPC therapy approaches may support cell-free strategies, exploiting effective pleiotropic cell-derived products, such as exosomes.
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Affiliation(s)
- Francesca Pagano
- Department of Medical Surgical Sciences and Biotechnologies, "La Sapienza" University of Rome, Corso della Repubblica 79, 04100, Latina, Italy
| | - Vittorio Picchio
- Department of Medical Surgical Sciences and Biotechnologies, "La Sapienza" University of Rome, Corso della Repubblica 79, 04100, Latina, Italy
| | - Francesco Angelini
- Medical Oncology Unit, San Filippo Neri Hospital, Via Giovanni Martinotti, 20, 00135, Rome, Italy.,Experimental and Clinical Pharmacology Unit, CRO-National Cancer Institute, Via Franco Gallini 2, 33081, Aviano (PN), Italy
| | - Alessandra Iaccarino
- Department of Thoracic Surgery, "La Sapienza" University of Rome, viale Regina Margherita 324, 00161, Rome, Italy
| | - Mariangela Peruzzi
- Department of Medical Surgical Sciences and Biotechnologies, "La Sapienza" University of Rome, Corso della Repubblica 79, 04100, Latina, Italy
| | - Elena Cavarretta
- Department of Medical Surgical Sciences and Biotechnologies, "La Sapienza" University of Rome, Corso della Repubblica 79, 04100, Latina, Italy
| | - Giuseppe Biondi-Zoccai
- Department of Medical Surgical Sciences and Biotechnologies, "La Sapienza" University of Rome, Corso della Repubblica 79, 04100, Latina, Italy.,Department of AngioCardioNeurology, IRCCS Neuromed Institute, Via Atinense 18, 86077, Pozzilli (IS), Italy
| | - Sebastiano Sciarretta
- Department of Medical Surgical Sciences and Biotechnologies, "La Sapienza" University of Rome, Corso della Repubblica 79, 04100, Latina, Italy.,Department of AngioCardioNeurology, IRCCS Neuromed Institute, Via Atinense 18, 86077, Pozzilli (IS), Italy
| | - Elena De Falco
- Department of Medical Surgical Sciences and Biotechnologies, "La Sapienza" University of Rome, Corso della Repubblica 79, 04100, Latina, Italy
| | - Isotta Chimenti
- Department of Medical Surgical Sciences and Biotechnologies, "La Sapienza" University of Rome, Corso della Repubblica 79, 04100, Latina, Italy.
| | - Giacomo Frati
- Department of Medical Surgical Sciences and Biotechnologies, "La Sapienza" University of Rome, Corso della Repubblica 79, 04100, Latina, Italy.,Department of AngioCardioNeurology, IRCCS Neuromed Institute, Via Atinense 18, 86077, Pozzilli (IS), Italy
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Dotta F, Ventriglia G, Snowhite IV, Pugliese A. MicroRNAs: markers of β-cell stress and autoimmunity. Curr Opin Endocrinol Diabetes Obes 2018; 25:237-245. [PMID: 29846238 DOI: 10.1097/med.0000000000000420] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
PURPOSE OF REVIEW We discuss current knowledge about microRNAs (miRNAs) in type 1 diabetes (T1D), an autoimmune disease leading to severe loss of pancreatic β-cells. We describe: the role of cellular miRNAs in regulating immune functions and pathways impacting insulin secretion and β-cell survival; circulating miRNAs as disease biomarkers. RECENT FINDINGS Studies examined miRNAs in experimental models and patients, including analysis of tissues from organ donors, peripheral blood cells, and circulating miRNAs in serum, plasma, and exosomes. Studies employed diverse designs and methodologies to detect miRNAs and measure their levels. Selected miRNAs have been linked to the regulation of key biological pathways and disease pathogenesis; several circulating miRNAs are associated with having T1D, islet autoimmunity, disease progression, and immune and metabolic functions, for example, C-peptide secretion, in multiple studies. SUMMARY A growing literature reveals multiple roles of miRNAs in T1D, provide new clues into the regulation of disease mechanisms, and identify reproducible associations. Yet challenges remain, and the field will benefit from joint efforts to analyze results, compare methodologies, formally test the robustness of miRNA associations, and ultimately move towards validating robust miRNA biomarkers.
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Affiliation(s)
- Francesco Dotta
- Diabetes Unit, Department of Medicine, Surgery and Neuroscience, University of Siena
- Fondazione Umberto di Mario, Toscana Life Sciences, Siena, Italy
| | - Giuliana Ventriglia
- Diabetes Unit, Department of Medicine, Surgery and Neuroscience, University of Siena
- Fondazione Umberto di Mario, Toscana Life Sciences, Siena, Italy
| | | | - Alberto Pugliese
- Diabetes Research Institute
- Department of Medicine, Division of Endocrinology and Metabolism
- Department of Microbiology and Immunology, Leonard Miller School of Medicine, University of Miami, Miami, Florida, USA
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