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Dainiak N. Biology of Exfoliation of Plasma Membrane-Derived Vesicles and the Radiation Response: Historical Background, Applications in Biodosimetry and Cell-Free Therapeutics, and Quantal Mechanisms for Their Release and Function with Implications for Space Travel. Radiat Res 2024; 202:328-354. [PMID: 38981604 DOI: 10.1667/rade-24-00078.1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2024] [Accepted: 05/09/2024] [Indexed: 07/11/2024]
Abstract
This historical review of extracellular vesicles in the setting of exposure to ionizing radiation (IR) traces our understanding of how vesicles were initially examined and reported in the literature in the late 1970s (for secreted exosomes) and early 1980s (for plasma membrane-derived, exfoliated vesicles) to where we are now and where we may be headed in the next decade. An emphasis is placed on biophysical properties of extracellular vesicles, energy consumption and the role of vesiculation as an essential component of membrane turnover. The impact of intercellular signal trafficking by vesicle surface and intra-vesicular lipids, proteins, nucleic acids and metabolites is reviewed in the context of biomarkers for estimating individual radiation dose after exposure to radiation, pathogenesis of disease and development of cell-free therapeutics. Since vesicles express both growth stimulatory and inhibitory molecules, a hypothesis is proposed to consider superposition in a shared space and entanglement of molecules by energy sources that are external to human cells. Implications of this approach for travel in deep space are briefly discussed in the context of clinical disorders that have been observed after space travel.
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Affiliation(s)
- Nicholas Dainiak
- Department of Therapeutic Radiology, Yale University School of Medicine, New Haven, Connecticut 06520
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2
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Sukhnanan K, Ross JR, Chao NJ, Chen BJ. Endothelial Cell Derived Extracellular Vesicles and Hematopoiesis. Radiat Res 2024; 202:215-226. [PMID: 38918003 DOI: 10.1667/rade-24-00039.1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2024] [Accepted: 04/23/2024] [Indexed: 06/27/2024]
Abstract
Extracellular vesicles (EVs) have been recognized as a novel way of cell-to-cell communication in the last several decades. It is believed that EVs exert their functions on nearby or distant cells through transfer of the cargo that they carry. In this review, we focus on EVs produced by endothelial cells, with emphasis on their role in hematopoiesis. We first describe how endothelial cells interact with hematopoietic stem/progenitor cells during development and in disease conditions. We then discuss EVs, ranging from their subtypes to isolation methods and analysis of EVs. With the above background information, we next review the literature related to endothelial cell derived EVs (ECEVs), including physiological functions and their clinical uses. In the last sections, we summarize the current results about the effect of ECEVs on hematopoiesis under physiological and stress conditions.
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Affiliation(s)
| | - Joel R Ross
- Department of Medicine, Duke University, Durham, North Carolina
| | - Nelson J Chao
- Department of Medicine, Duke University, Durham, North Carolina
- Department of Pathology, Duke University, Durham, North Carolina
- Department of Immunology, Duke University, Durham, North Carolina
- Duke Cancer Institute, Duke University, Durham, North Carolina
- Duke Global Health Institute, Duke University, Durham, North Carolina
| | - Benny J Chen
- Department of Medicine, Duke University, Durham, North Carolina
- Department of Immunology, Duke University, Durham, North Carolina
- Duke Fitzpatrick Institute for Photonics, Duke University, Durham, North Carolina
- Duke Regeneration Center, Duke University, Durham, North Carolina
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3
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Christy BA, Herzig MC, Wu X, Mohammadipoor A, McDaniel JS, Bynum JA. Cell Therapies for Acute Radiation Syndrome. Int J Mol Sci 2024; 25:6973. [PMID: 39000080 PMCID: PMC11241804 DOI: 10.3390/ijms25136973] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2024] [Revised: 06/14/2024] [Accepted: 06/21/2024] [Indexed: 07/16/2024] Open
Abstract
The risks of severe ionizing radiation exposure are increasing due to the involvement of nuclear powers in combat operations, the increasing use of nuclear power, and the existence of terrorist threats. Exposure to a whole-body radiation dose above about 0.7 Gy results in H-ARS (hematopoietic acute radiation syndrome), which is characterized by damage to the hematopoietic system; higher doses result in further damage to the gastrointestinal and nervous systems. Only a few medical countermeasures for ARS are currently available and approved for use, although others are in development. Cell therapies (cells or products produced by cells) are complex therapeutics that show promise for the treatment of radiation injury and have been shown to reduce mortality and morbidity in animal models. Since clinical trials for ARS cannot be ethically conducted, animal testing is extremely important. Here, we describe cell therapies that have been tested in animal models. Both cells and cell products appear to promote survival and lessen tissue damage after whole-body irradiation, although the mechanisms are not clear. Because radiation exposure often occurs in conjunction with other traumatic injuries, animal models of combined injury involving radiation and future countermeasure testing for these complex medical problems are also discussed.
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Affiliation(s)
- Barbara A Christy
- Blood and Shock Resuscitation, US Army Institute of Surgical Research, Joint Base San Antonio, Fort Sam Houston, TX 78234, USA
- Department of Molecular Medicine, UT Health San Antonio, San Antonio, TX 78229, USA
| | - Maryanne C Herzig
- Blood and Shock Resuscitation, US Army Institute of Surgical Research, Joint Base San Antonio, Fort Sam Houston, TX 78234, USA
| | - Xiaowu Wu
- Blood and Shock Resuscitation, US Army Institute of Surgical Research, Joint Base San Antonio, Fort Sam Houston, TX 78234, USA
| | - Arezoo Mohammadipoor
- Hemorrhage and Vascular Dysfunction, US Army Institute of Surgical Research, Joint Base San Antonio, Fort Sam Houston, TX 78234, USA
| | - Jennifer S McDaniel
- Blood and Shock Resuscitation, US Army Institute of Surgical Research, Joint Base San Antonio, Fort Sam Houston, TX 78234, USA
| | - James A Bynum
- Blood and Shock Resuscitation, US Army Institute of Surgical Research, Joint Base San Antonio, Fort Sam Houston, TX 78234, USA
- Department of Surgery, UT Health San Antonio, San Antonio, TX 78229, USA
- Trauma Research and Combat Casualty Care Collaborative, UT Health San Antonio, San Antonio, TX 78229, USA
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Doan PL, Frei AC, Piryani SO, Szalewski N, Fan E, Himburg HA. Cord Blood-Derived Endothelial Progenitor Cells Promote In Vivo Regeneration of Human Hematopoietic Bone Marrow. Int J Radiat Oncol Biol Phys 2023; 116:1163-1174. [PMID: 36792018 PMCID: PMC11086728 DOI: 10.1016/j.ijrobp.2023.02.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2022] [Revised: 01/10/2023] [Accepted: 02/03/2023] [Indexed: 02/15/2023]
Abstract
PURPOSE Victims of acute radiation exposure are susceptible to hematopoietic toxicity due to bone marrow damage and loss of mature blood elements. Here, we evaluated cord blood-derived endothelial progenitor cells (CB-EPCs) as a potential cellular therapy for mitigation of hematologic acute radiation syndrome. CB-EPCs express endothelial cell markers and maintain their growth characteristics beyond 10+ passages without diminishing their doubling capacity. Further, CB-EPCs can be cryopreserved in vapor-phase liquid nitrogen and easily recovered for propagation, making them an attractive nonimmunogenic cellular therapy for off-the-shelf use. Importantly, we show CB-EPCs have the capacity to potently expand adult human bone marrow hematopoietic progenitor cells both in vitro and in vivo. METHODS AND MATERIALS To demonstrate the role of CB-EPCs in promoting in vivo human immune reconstitution after irradiation, we employed a novel humanized mouse model established by transplant of CD34+ bone marrow cells from 9 unique adult organ donors into immunocompromised NSG-SGM3 mice. The response of the humanized immune system to ionizing irradiation was then tested by exposure to 1 Gy followed by subcutaneous treatment of CB-EPCs, Food and Drug Administration-approved growth factor pegfilgrastim (0.3 mg/kg), or saline. RESULTS At day 7, total human bone marrow was decreased by 80% in irradiated controls. However, treatment with either growth factor pegfilgrastim or CB-EPCs increased recovery of total human bone marrow by 2.5-fold compared with saline. Notably, CB-EPCs also increased recovery of both human CD34+ progenitors by 5-fold and colony-forming capacity by 3-fold versus saline. Additionally, CB-EPCs promoted recovery of endogenous bone marrow endothelial cells as observed by both increased vessel area and length compared with saline. CONCLUSIONS These findings indicate the feasibility of using humanized mice engrafted with adult bone marrow for radiation research and the development of CB-EPCs as an off-the-shelf cellular therapy for mitigation of hematologic acute radiation syndrome.
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Affiliation(s)
- Phuong L Doan
- Department of Medicine, Division of Hematologic Malignancies and Cellular Therapy; Duke Cancer Institute, Duke University, Durham, North Carolina
| | | | - Sadhna O Piryani
- Department of Medicine, Division of Hematologic Malignancies and Cellular Therapy
| | | | - Elizabeth Fan
- Department of Medicine, Division of Hematologic Malignancies and Cellular Therapy
| | - Heather A Himburg
- Department of Radiation Oncology; Cancer Center, Medical College of Wisconsin, Milwaukee, Wisconsin.
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5
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Yamaguchi M, Kashiwakura I. The Acute Radiation Syndrome-Mitigator Romiplostim and Secreted Extracellular Vesicles Improved Survival in Mice Acutely Exposed to Myelosuppressive Doses of Ionizing Radiation. Biomolecules 2023; 13:biom13050837. [PMID: 37238707 DOI: 10.3390/biom13050837] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2023] [Revised: 05/02/2023] [Accepted: 05/12/2023] [Indexed: 05/28/2023] Open
Abstract
In cases of accidental high-dose total-body irradiation (TBI), acute radiation syndrome (ARS) can cause death. We reported that the thrombopoietin receptor agonist romiplostim (RP) has the potential to completely rescue mice exposed to lethal TBI. Extracellular vesicles (EVs) are involved in cell-to-cell communication, and the mechanism of RP action may be related to EVs that reflect the radio-mitigative information. We investigated the radio-mitigative effects of EVs on mice with severe ARS. C57BL/6 mice exposed to lethal TBI were treated with RP, and the EVs were isolated from the serum and intraperitoneally injected into other mice with severe ARS. The 30-day survival rate of lethal TBI mice drastically improved by 50-100% with the administration of EVs in the sera collected weekly from the mice in which radiation damage was alleviated and mortality was avoided by the administration of RP. Four responsive miRNAs, namely, miR-144-5p, miR-3620-5p, miR-6354, and miR-7686-5p showed significant expression changes in an array analysis. In particular, miR-144-5p was expressed only in the EVs of RP-treated TBI mice. Specific EVs may exist in the circulating blood of mice that escaped mortality with an ARS mitigator, and their membrane surface and endogenous molecules may be the key to the survival of mice with severe ARS.
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Affiliation(s)
- Masaru Yamaguchi
- Graduate School of Health Sciences, Hirosaki University, 66-1 Hon-cho, Hirosaki 036-8564, Aomori, Japan
| | - Ikuo Kashiwakura
- Graduate School of Health Sciences, Hirosaki University, 66-1 Hon-cho, Hirosaki 036-8564, Aomori, Japan
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Sharma GP, Himburg HA. Organ-Specific Endothelial Dysfunction Following Total Body Irradiation Exposure. TOXICS 2022; 10:toxics10120747. [PMID: 36548580 PMCID: PMC9781710 DOI: 10.3390/toxics10120747] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/29/2022] [Revised: 11/28/2022] [Accepted: 11/30/2022] [Indexed: 05/14/2023]
Abstract
As the single cell lining of the heart and all blood vessels, the vascular endothelium serves a critical role in maintaining homeostasis via control of vascular tone, immune cell recruitment, and macromolecular transit. For victims of acute high-dose radiation exposure, damage to the vascular endothelium may exacerbate the pathogenesis of acute and delayed multi-organ radiation toxicities. While commonalities exist between radiation-induced endothelial dysfunction in radiosensitive organs, the vascular endothelium is known to be highly heterogeneous as it is required to serve tissue and organ specific roles. In keeping with its organ and tissue specific functionality, the molecular and cellular response of the endothelium to radiation injury varies by organ. Therefore, in the development of medical countermeasures for multi-organ injury, it is necessary to consider organ and tissue-specific endothelial responses to both injury and candidate mitigators. The purpose of this review is to summarize the pathogenesis of endothelial dysfunction following total or near total body irradiation exposure at the level of individual radiosensitive organs.
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Affiliation(s)
- Guru Prasad Sharma
- Department of Radiation Oncology, Medical College of Wisconsin, Milwaukee, WI 53226, USA
| | - Heather A. Himburg
- Department of Radiation Oncology, Medical College of Wisconsin, Milwaukee, WI 53226, USA
- Cancer Center, Medical College of Wisconsin, Milwaukee, WI 53226, USA
- Correspondence: ; Tel.: +1-(414)-955-4676
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7
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Extracellular vesicles for the treatment of preeclampsia. Tissue Cell 2022; 77:101860. [DOI: 10.1016/j.tice.2022.101860] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2022] [Revised: 06/20/2022] [Accepted: 06/20/2022] [Indexed: 11/21/2022]
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8
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Transcriptomics of Wet Skin Biopsies Predict Early Radiation-Induced Hematological Damage in a Mouse Model. Genes (Basel) 2022; 13:genes13030538. [PMID: 35328091 PMCID: PMC8952434 DOI: 10.3390/genes13030538] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2022] [Revised: 02/28/2022] [Accepted: 03/16/2022] [Indexed: 12/04/2022] Open
Abstract
The lack of an easy and fast radiation-exposure testing method with a dosimetric ability complicates triage and treatment in response to a nuclear detonation, radioactive material release, or clandestine exposure. The potential of transcriptomics in radiation diagnosis and prognosis were assessed here using wet skin (blood/skin) biopsies obtained at hour 2 and days 4, 7, 21, and 28 from a mouse radiation model. Analysis of significantly differentially transcribed genes (SDTG; p ≤ 0.05 and FC ≥ 2) during the first post-exposure week identified the glycoprotein 6 (GP-VI) signaling, the dendritic cell maturation, and the intrinsic prothrombin activation pathways as the top modulated pathways with stable inactivation after lethal exposures (20 Gy) and intermittent activation after sublethal (1, 3, 6 Gy) exposure time points (TPs). Interestingly, these pathways were inactivated in the late TPs after sublethal exposure in concordance with a delayed deleterious effect. Modulated transcription of a variety of collagen types, laminin, and peptidase genes underlay the modulated functions of these hematologically important pathways. Several other SDTGs related to platelet and leukocyte development and functions were identified. These results outlined genetic determinants that were crucial to clinically documented radiation-induced hematological and skin damage with potential countermeasure applications.
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Extracellular Vesicles Secreted by Glioma Stem Cells Are Involved in Radiation Resistance and Glioma Progression. Int J Mol Sci 2022; 23:ijms23052770. [PMID: 35269915 PMCID: PMC8911495 DOI: 10.3390/ijms23052770] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2022] [Revised: 02/25/2022] [Accepted: 02/26/2022] [Indexed: 02/01/2023] Open
Abstract
Glioblastoma is the most aggressive brain tumour with short survival, partly due to resistance to conventional therapy. Glioma stem cells (GSC) are likely to be involved in treatment resistance, by releasing extracellular vesicles (EVs) containing specific molecular cargoes. Here, we studied the EVs secreted by glioma stem cells (GSC-EVs) and their effects on radiation resistance and glioma progression. EVs were isolated from 3 GSCs by serial centrifugation. NanoSight measurement, cryo-electron microscopy and live imaging were used to study the EVs size, morphology and uptake, respectively. The non-GSC glioma cell lines LN229 and U118 were utilised as a recipient cell model. Wound healing assays were performed to detect cell migration. Colony formation, cell viability and invadopodium assays were conducted to detect cell survival of irradiated recipient cells and cell invasion post GSC-EV treatment. NanoString miRNA global profiling was used to select for the GSC-EVs’ specific miRNAs. All three GSC cell lines secreted different amounts of EVs, and all expressed consistent levels of CD9 but different level of Alix, TSG101 and CD81. EVs were taken up by both LN229 and U118 recipient cells. In the presence of GSC-EVs, these recipient cells survived radiation exposure and initiated colony formation. After GSC-EVs exposure, LN229 and U118 cells exhibited an invasive phenotype, as indicated by an increase in cell migration. We also identified 25 highly expressed miRNAs in the GSC-EVs examined, and 8 of these miRNAs can target PTEN. It is likely that GSC-EVs and their specific miRNAs induced the phenotypic changes in the recipient cells due to the activation of the PTEN/Akt pathway. This study demonstrated that GSC-EVs have the potential to induce radiation resistance and modulate the tumour microenvironment to promote glioma progression. Future therapeutic studies should be designed to interfere with these GSC-EVs and their specific miRNAs.
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10
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Vascular Regulation of Hematopoietic Stem Cell Homeostasis, Regeneration, and Aging. CURRENT STEM CELL REPORTS 2021; 7:194-203. [PMID: 34868826 PMCID: PMC8639543 DOI: 10.1007/s40778-021-00198-2] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/14/2021] [Indexed: 12/26/2022]
Abstract
Purpose of Review Hematopoietic stem cells (HSCs) sit at the top of the hierarchy that meets the daily burden of blood production. HSC maintenance relies on extrinsic cues from the bone marrow (BM) microenvironment to balance stem cell self-renewal and cell fate decisions. In this brief review, we will highlight the studies and model systems that define the centralized role of BM vascular endothelium in modulating HSC activity in health and stress. Recent Findings The BM microenvironment is composed of a diverse array of intimately associated vascular and perivascular cell types. Recent dynamic imaging studies, coupled with single-cell RNA sequencing (scRNA-seq) and functional readouts, have advanced our understanding of the HSC-supportive cell types and their cooperative mechanisms that govern stem cell fate during homeostasis, regeneration, and aging. These findings have established complex and discrete vascular microenvironments within the BM that express overlapping and unique paracrine signals that modulate HSC fate. Summary Understanding the spatial and reciprocal HSC-niche interactions and the molecular mechanisms that govern HSC activity in the BM vascular microenvironment will be integral in developing therapies aimed at ameliorating hematological disease and supporting healthy hematopoietic output.
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Suo K, Chen S, Li X, Liu X, Yi J, Zhu J, Lu L, Hao L, Kang Q, Lu J. Radioprotective effect of radiation-induced Lactococcus lactis cell-free extract against 60Coγ injury in mice. J Dairy Sci 2021; 104:9532-9542. [PMID: 34218913 DOI: 10.3168/jds.2021-20291] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2021] [Accepted: 05/07/2021] [Indexed: 01/27/2023]
Abstract
Ionizing radiation (IR) is widely used in the diagnosis and treatment of various cancers. However, IR can cause damage to human health by producing reactive oxygen species. Lactococcus lactis is a type of microorganism that is beneficial to human health and has a strong antioxidant capacity. In this study, the protective effect of normal and IR-induced L. lactis IL1403 cell-free extracts (CFE and IR-CFE, respectively) against oxidative damage in vitro and the radioprotective effect of IR-CFE in vivo was evaluated using 60Coγ-induced oxidative damage model in mice. Results showed that IR-CFE exhibited a stronger oxidative damage-protective effect than CFE for L. lactis IL1403 under H2O2 in vitro. Moreover, IR-CFE also showed strong radioprotective effect on hepatocyte cells (AML-12) under radiation condition, and the effect was better than that of CFE. Animal experiment indicated that IR-CFE could reduce the IR-induced damage to the hematopoietic system by increasing the number of white blood cells and red blood cells in peripheral blood of irradiated mice. It was also observed that IR-CFE could markedly alleviate the 60Coγ-induced oxidative stress via increasing the activities of superoxide dismutase and glutathione peroxidase, enhancing the levels of glutathione, and decreasing the contents of malondialdehyde in serum, liver, and spleen. In addition, IR-CFE also could reduce the activities of alanine transaminase and aspartate aminotransferase in serum, thereby reducing radiation damage to the liver. These results suggested that IR-CFE could be considered as potential candidates for natural radioprotective agents. This study provides a theoretical basis for improving the application of lactic acid bacteria.
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Affiliation(s)
- Keke Suo
- School of Life Sciences, Zhengzhou University, Zhengzhou, Henan 450001, China
| | - Sisi Chen
- School of Life Sciences, Zhengzhou University, Zhengzhou, Henan 450001, China
| | - Xue Li
- School of Life Sciences, Zhengzhou University, Zhengzhou, Henan 450001, China
| | - Xin Liu
- School of Life Sciences, Zhengzhou University, Zhengzhou, Henan 450001, China
| | - Juanjuan Yi
- School of Life Sciences, Zhengzhou University, Zhengzhou, Henan 450001, China
| | - Jiaqing Zhu
- School of Life Sciences, Zhengzhou University, Zhengzhou, Henan 450001, China
| | - Laizheng Lu
- Zhengzhou Mindtek Biological Technology Co. Ltd., Zhengzhou, Henan 450001, China
| | - Limin Hao
- Institute of Quartermaster Engineering and Technology, Academy of Military Sciences PLA China, Beijing 100010, China.
| | - Qiaozhen Kang
- School of Life Sciences, Zhengzhou University, Zhengzhou, Henan 450001, China
| | - Jike Lu
- School of Life Sciences, Zhengzhou University, Zhengzhou, Henan 450001, China.
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Abstract
[Figure: see text].
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13
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Nanduri LSY, Duddempudi PK, Yang WL, Tamarat R, Guha C. Extracellular Vesicles for the Treatment of Radiation Injuries. Front Pharmacol 2021; 12:662437. [PMID: 34084138 PMCID: PMC8167064 DOI: 10.3389/fphar.2021.662437] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2021] [Accepted: 05/04/2021] [Indexed: 01/02/2023] Open
Abstract
Normal tissue injury from accidental or therapeutic exposure to high-dose radiation can cause severe acute and delayed toxicities, which result in mortality and chronic morbidity. Exposure to single high-dose radiation leads to a multi-organ failure, known as acute radiation syndrome, which is caused by radiation-induced oxidative stress and DNA damage to tissue stem cells. The radiation exposure results in acute cell loss, cell cycle arrest, senescence, and early damage to bone marrow and intestine with high mortality from sepsis. There is an urgent need for developing medical countermeasures against radiation injury for normal tissue toxicity. In this review, we discuss the potential of applying secretory extracellular vesicles derived from mesenchymal stromal/stem cells, endothelial cells, and macrophages for promoting repair and regeneration of organs after radiation injury.
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Affiliation(s)
- Lalitha Sarad Yamini Nanduri
- Department of Radiation Oncology, Albert Einstein College of Medicine, Montefiore Medical Center, New York, NY, United States
| | - Phaneendra K. Duddempudi
- Department of Biochemistry, Albert Einstein College of Medicine, Montefiore Medical Center, New York, NY, United States
| | - Weng-Lang Yang
- Department of Radiation Oncology, Albert Einstein College of Medicine, Montefiore Medical Center, New York, NY, United States
| | - Radia Tamarat
- Institut de Radioprotection et de Sûreté Nucléaire (IRSN), Fontenay-aux-Roses, France
| | - Chandan Guha
- Department of Radiation Oncology, Albert Einstein College of Medicine, Montefiore Medical Center, New York, NY, United States
- Department of Pathology, Albert Einstein College of Medicine, Montefiore Medical Center, New York, NY, United States
- Department of Urology, Albert Einstein College of Medicine, Montefiore Medical Center, New York, NY, United States
- Institute for Onco-Physics, Albert Einstein College of Medicine, Montefiore Medical Center, New York, NY, United States
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Abstract
Radiation therapy can cause haematopoietic damage, and mesenchymal stem cells (MSCs) derived extracellular vesicles (EVs) have been shown to reverse this damage. Our previous research showed that dental pulp stem cells (DPSCs) have a strong proliferation capacity and can produce abundant amounts of EVs to meet the requirements for use in vitro and in vivo. DPSCs derived EVs (DPSCs-EVs) are evaluated for their effect on reducing haematopoietic damage. Haematopoietic stem cell (HSC) numbers and function were assessed by flow cytometry, peripheral blood cell counts, histology and bone marrow transplantation. Epidermal growth factor (EGF) was used as a reference for evaluating the efficiency of EVs. miRNA microarray was employed to find out the changes of miRNA expression after cells being irradiated in vivo and the role they may play in mitigation the radiation caused injury. We observed the effect of DPSCs-EVs on promoting proliferation and inhibiting apoptosis of human umbilical vein endothelial cells (HUVECs) and FDC-P1 cells in vitro. We found that DPSCs-EVs and EGF could comparably inhibit the decrease in WBC, CFU count and KSL cells in vivo. We also verified that EVs could accelerate the recovery of long-term HSCs. In summary, DPSCs-EVs showed an apoptosis resistant effect on HUVECs and FDC-P1 cells after radiation injury in vitro. EVs from DPSCs were comparable to EGF in their ability to regulate haematopoietic regeneration after radiation injury in vivo. Radiation could alter the expression of some miRNAs in bone marrow cells, and EVs could correct these changes to some extent. Graphical abstract ![]()
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15
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Khodamoradi E, Hoseini-Ghahfarokhi M, Amini P, Motevaseli E, Shabeeb D, Musa AE, Najafi M, Farhood B. Targets for protection and mitigation of radiation injury. Cell Mol Life Sci 2020; 77:3129-3159. [PMID: 32072238 PMCID: PMC11104832 DOI: 10.1007/s00018-020-03479-x] [Citation(s) in RCA: 39] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2019] [Revised: 02/04/2020] [Accepted: 02/07/2020] [Indexed: 02/06/2023]
Abstract
Protection of normal tissues against toxic effects of ionizing radiation is a critical issue in clinical and environmental radiobiology. Investigations in recent decades have suggested potential targets that are involved in the protection against radiation-induced damages to normal tissues and can be proposed for mitigation of radiation injury. Emerging evidences have been shown to be in contrast to an old dogma in radiation biology; a major amount of reactive oxygen species (ROS) production and cell toxicity occur during some hours to years after exposure to ionizing radiation. This can be attributed to upregulation of inflammatory and fibrosis mediators, epigenetic changes and disruption of the normal metabolism of oxygen. In the current review, we explain the cellular and molecular changes following exposure of normal tissues to ionizing radiation. Furthermore, we review potential targets that can be proposed for protection and mitigation of radiation toxicity.
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Affiliation(s)
- Ehsan Khodamoradi
- Radiology and Nuclear Medicine Department, School of Paramedical Sciences, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Mojtaba Hoseini-Ghahfarokhi
- Radiology and Nuclear Medicine Department, School of Paramedical Sciences, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Peyman Amini
- Department of Radiology, Faculty of Paramedical, Tehran University of Medical Sciences, Tehran, Iran
| | - Elahe Motevaseli
- Department of Molecular Medicine, School of Advanced Technologies in Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Dheyauldeen Shabeeb
- Department of Physiology, College of Medicine, University of Misan, Misan, Iraq
- Misan Radiotherapy Center, Misan, Iraq
| | - Ahmed Eleojo Musa
- Department of Medical Physics, Tehran University of Medical Sciences (International Campus), Tehran, Iran
| | - Masoud Najafi
- Radiology and Nuclear Medicine Department, School of Paramedical Sciences, Kermanshah University of Medical Sciences, Kermanshah, Iran.
| | - Bagher Farhood
- Department of Medical Physics and Radiology, Faculty of Paramedical Sciences, Kashan University of Medical Sciences, Kashan, Iran.
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Lu Y, Hu M, Zhang Z, Qi Y, Wang J. The regulation of hematopoietic stem cell fate in the context of radiation. RADIATION MEDICINE AND PROTECTION 2020. [DOI: 10.1016/j.radmp.2020.01.002] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023] Open
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Mol EA, Lei Z, Roefs MT, Bakker MH, Goumans M, Doevendans PA, Dankers PYW, Vader P, Sluijter JPG. Injectable Supramolecular Ureidopyrimidinone Hydrogels Provide Sustained Release of Extracellular Vesicle Therapeutics. Adv Healthc Mater 2019; 8:e1900847. [PMID: 31559704 DOI: 10.1002/adhm.201900847] [Citation(s) in RCA: 56] [Impact Index Per Article: 11.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2019] [Revised: 08/23/2019] [Indexed: 12/15/2022]
Abstract
Extracellular vesicles (EVs) are small vesicles secreted by cells and have gained increasing interest as both drug delivery vehicles or as cell-free therapeutics for regenerative medicine. To achieve optimal therapeutic effects, strategies are being developed to prolong EV exposure to target organs. One promising approach to achieve this is through EV-loaded injectable hydrogels. In this study, the use of a hydrogel based on ureido-pyrimidinone (UPy) units coupled to poly(ethylene glycol) chains (UPy-hydrogel) is examined as potential delivery platform for EVs. The UPy-hydrogel undergoes a solution-to-gel transition upon switching from a high to neutral pH, allowing immediate gelation upon administration into physiological systems. Here, sustained EV release from the UPy-hydrogel measured over a period of 4 d is shown. Importantly, EVs retain their functional capacity after release. Upon local administration of fluorescently labeled EVs incorporated in a UPy-hydrogel in vivo, EVs are still detected in the UPy-hydrogel after 3 d, whereas in the absence of a hydrogel, EVs are internalized by fat and skin tissue near the injection site. Together, these data demonstrate that UPy-hydrogels provide sustained EV release over time and enhance local EV retention in vivo, which could contribute to improved therapeutic efficacy upon local delivery and translation toward new applications.
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Affiliation(s)
- Emma A. Mol
- Department of CardiologyLaboratory of Experimental CardiologyUniversity Medical Center Utrecht Utrecht 3584 The Netherlands
- Laboratory of Cardiovascular Cell BiologyDepartment of Cell and Chemical BiologyLeiden University Medical Center Leiden 2333ZA The Netherlands
| | - Zhiyong Lei
- Department of CardiologyLaboratory of Experimental CardiologyUniversity Medical Center Utrecht Utrecht 3584 The Netherlands
| | - Marieke T. Roefs
- Department of CardiologyLaboratory of Experimental CardiologyUniversity Medical Center Utrecht Utrecht 3584 The Netherlands
| | - Maarten H. Bakker
- Institute for Complex Molecular SystemsDepartment of Biomedical EngineeringLaboratory of Chemical BiologyEindhoven University of Technology 5600 MB Eindhoven The Netherlands
| | - Marie‐José Goumans
- Laboratory of Cardiovascular Cell BiologyDepartment of Cell and Chemical BiologyLeiden University Medical Center Leiden 2333ZA The Netherlands
| | - Pieter A. Doevendans
- Department of CardiologyLaboratory of Experimental CardiologyUniversity Medical Center Utrecht Utrecht 3584 The Netherlands
- UMC Utrecht Regenerative Medicine CenterUniversity Medical Center Utrecht 3584CT The Netherlands
- CMH NL‐HI Utrecht 3584CX The Netherlands
| | - Patricia Y. W. Dankers
- Institute for Complex Molecular SystemsDepartment of Biomedical EngineeringLaboratory of Chemical BiologyEindhoven University of Technology 5600 MB Eindhoven The Netherlands
| | - Pieter Vader
- Department of CardiologyLaboratory of Experimental CardiologyUniversity Medical Center Utrecht Utrecht 3584 The Netherlands
- Laboratory of Clinical Chemistry and HaematologyUniversity Medical Center Utrecht Utrecht 3584 The Netherlands
| | - Joost P. G. Sluijter
- Department of CardiologyLaboratory of Experimental CardiologyUniversity Medical Center Utrecht Utrecht 3584 The Netherlands
- UMC Utrecht Regenerative Medicine CenterUniversity Medical Center Utrecht 3584CT The Netherlands
- University Utrecht Utrecht 3508TC The Netherlands
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Leitolis A, Robert AW, Pereira IT, Correa A, Stimamiglio MA. Cardiomyogenesis Modeling Using Pluripotent Stem Cells: The Role of Microenvironmental Signaling. Front Cell Dev Biol 2019; 7:164. [PMID: 31448277 PMCID: PMC6695570 DOI: 10.3389/fcell.2019.00164] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2019] [Accepted: 07/29/2019] [Indexed: 12/20/2022] Open
Abstract
Pluripotent stem cells (PSC) can be used as a model to study cardiomyogenic differentiation. In vitro modeling can reproduce cardiac development through modulation of some key signaling pathways. Therefore, many studies make use of this strategy to better understand cardiomyogenesis complexity and to determine possible ways to modulate cell fate. However, challenges remain regarding efficiency of differentiation protocols, cardiomyocyte (CM) maturation and therapeutic applications. Considering that the extracellular milieu is crucial for cellular behavior control, cardiac niche studies, such as those identifying secreted molecules from adult or neonatal tissues, allow the identification of extracellular factors that may contribute to CM differentiation and maturation. This review will focus on cardiomyogenesis modeling using PSC and the elements involved in cardiac microenvironmental signaling (the secretome - extracellular vesicles, extracellular matrix and soluble factors) that may contribute to CM specification and maturation.
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Affiliation(s)
- Amanda Leitolis
- Stem Cell Basic Biology Laboratory, Carlos Chagas Institute, FIOCRUZ-PR, Curitiba, Brazil
| | - Anny W Robert
- Stem Cell Basic Biology Laboratory, Carlos Chagas Institute, FIOCRUZ-PR, Curitiba, Brazil
| | - Isabela T Pereira
- Stem Cell Basic Biology Laboratory, Carlos Chagas Institute, FIOCRUZ-PR, Curitiba, Brazil
| | - Alejandro Correa
- Stem Cell Basic Biology Laboratory, Carlos Chagas Institute, FIOCRUZ-PR, Curitiba, Brazil
| | - Marco A Stimamiglio
- Stem Cell Basic Biology Laboratory, Carlos Chagas Institute, FIOCRUZ-PR, Curitiba, Brazil
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