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Zhao G, He Y, Chen Y, Jiang Y, Li C, Xiong T, Han S, He Y, Gao J, Su Y, Wang J, Wang C. Application of a derivative of human defensin 5 to treat ionizing radiation-induced enterogenic infection. JOURNAL OF RADIATION RESEARCH 2024; 65:194-204. [PMID: 38264835 PMCID: PMC10959430 DOI: 10.1093/jrr/rrad104] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/25/2023] [Revised: 11/28/2023] [Accepted: 12/17/2023] [Indexed: 01/25/2024]
Abstract
Enterogenic infection is a common complication for patients with radiation injury and requires efficient therapeutics in the clinic. Herein, we evaluated the promising drug candidate T7E21RHD5, which is a peptide derived from intestinal Paneth cell-secreted human defensin 5. Oral administration of this peptide alleviated the diarrhea symptoms of mice that received total abdominal irradiation (TAI, γ-ray, 12 Gy) and improved survival. Pathologic analysis revealed that T7E21RHD5 elicited an obvious mitigation of ionizing radiation (IR)-induced epithelial damage and ameliorated the reduction in the levels of claudin, zonula occluden 1 and occludin, three tight junction proteins in the ileum. Additionally, T7E21RHD5 regulated the gut microbiota in TAI mice by remodeling β diversity, manifested as a reversal of the inverted proportion of Bacteroidota to Firmicutes caused by IR. T7E21RHD5 treatment also decreased the abundance of pathogenic Escherichia-Shigella but significantly increased the levels of Alloprevotella and Prevotellaceae_NK3B31, two short-chain fatty acid-producing bacterial genera in the gut. Accordingly, the translocation of enterobacteria and lipopolysaccharide to the blood, as well as the infectious inflammatory responses in the intestine after TAI, was all suppressed by T7E21RHD5 administration. Hence, this versatile antimicrobial peptide possesses promising application prospects in the treatment of IR-induced enterogenic infection.
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Affiliation(s)
- Gaomei Zhao
- State Key Laboratory of Trauma and Chemical Poisoning, Chongqing Engineering Research Center for Nanomedicine, College of Preventive Medicine, Institute of Combined Injury of PLA, Third Military Medical University, Gaotanyan Street No. 30, Shapingba District, Chongqing 400038, China
| | - Yingjuan He
- State Key Laboratory of Trauma and Chemical Poisoning, Chongqing Engineering Research Center for Nanomedicine, College of Preventive Medicine, Institute of Combined Injury of PLA, Third Military Medical University, Gaotanyan Street No. 30, Shapingba District, Chongqing 400038, China
| | - Yin Chen
- State Key Laboratory of Trauma and Chemical Poisoning, Chongqing Engineering Research Center for Nanomedicine, College of Preventive Medicine, Institute of Combined Injury of PLA, Third Military Medical University, Gaotanyan Street No. 30, Shapingba District, Chongqing 400038, China
| | - Yiyi Jiang
- State Key Laboratory of Trauma and Chemical Poisoning, Chongqing Engineering Research Center for Nanomedicine, College of Preventive Medicine, Institute of Combined Injury of PLA, Third Military Medical University, Gaotanyan Street No. 30, Shapingba District, Chongqing 400038, China
| | - Chenwenya Li
- State Key Laboratory of Trauma and Chemical Poisoning, Chongqing Engineering Research Center for Nanomedicine, College of Preventive Medicine, Institute of Combined Injury of PLA, Third Military Medical University, Gaotanyan Street No. 30, Shapingba District, Chongqing 400038, China
| | - Tainong Xiong
- State Key Laboratory of Trauma and Chemical Poisoning, Chongqing Engineering Research Center for Nanomedicine, College of Preventive Medicine, Institute of Combined Injury of PLA, Third Military Medical University, Gaotanyan Street No. 30, Shapingba District, Chongqing 400038, China
| | - Songling Han
- State Key Laboratory of Trauma and Chemical Poisoning, Chongqing Engineering Research Center for Nanomedicine, College of Preventive Medicine, Institute of Combined Injury of PLA, Third Military Medical University, Gaotanyan Street No. 30, Shapingba District, Chongqing 400038, China
| | - Yongwu He
- State Key Laboratory of Trauma and Chemical Poisoning, Chongqing Engineering Research Center for Nanomedicine, College of Preventive Medicine, Institute of Combined Injury of PLA, Third Military Medical University, Gaotanyan Street No. 30, Shapingba District, Chongqing 400038, China
| | - Jining Gao
- State Key Laboratory of Trauma and Chemical Poisoning, Chongqing Engineering Research Center for Nanomedicine, College of Preventive Medicine, Institute of Combined Injury of PLA, Third Military Medical University, Gaotanyan Street No. 30, Shapingba District, Chongqing 400038, China
| | - Yongping Su
- State Key Laboratory of Trauma and Chemical Poisoning, Chongqing Engineering Research Center for Nanomedicine, College of Preventive Medicine, Institute of Combined Injury of PLA, Third Military Medical University, Gaotanyan Street No. 30, Shapingba District, Chongqing 400038, China
| | - Junping Wang
- State Key Laboratory of Trauma and Chemical Poisoning, Chongqing Engineering Research Center for Nanomedicine, College of Preventive Medicine, Institute of Combined Injury of PLA, Third Military Medical University, Gaotanyan Street No. 30, Shapingba District, Chongqing 400038, China
| | - Cheng Wang
- State Key Laboratory of Trauma and Chemical Poisoning, Chongqing Engineering Research Center for Nanomedicine, College of Preventive Medicine, Institute of Combined Injury of PLA, Third Military Medical University, Gaotanyan Street No. 30, Shapingba District, Chongqing 400038, China
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Chen Z, Li Z, Zong Y, Xia B, Luo S, Deng G, Gao J. Exosome-delivered miR-410-3p reverses epithelial-mesenchymal transition, migration and invasion of trophoblasts in spontaneous abortion. J Cell Mol Med 2024; 28:e18097. [PMID: 38164738 PMCID: PMC10844701 DOI: 10.1111/jcmm.18097] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2023] [Revised: 11/15/2023] [Accepted: 12/13/2023] [Indexed: 01/03/2024] Open
Abstract
Current studies have indicated that insufficient trophoblast epithelial-mesenchymal transition (EMT), migration and invasion are crucial for spontaneous abortion (SA) occurrence and development. Exosomal miRNAs play significant roles in embryonic development and cellular communication. Hereon, we explored the roles of serum exosomes derived from SA patients on trophoblast EMT, migration and invasion. Exosomes were isolated from normal control (NC) patients with abortion for unplanned pregnancy and SA patients, then characterized by transmission electron microscopy (TEM), nanoparticle tracking analysis (NTA) and western blotting. Exosomal miRNA profiles were identified by miRNA sequencing. The effects of serum exosomes on trophoblast migration and invasion were detected by scratch wound healing and transwell assays, and other potential mechanisms were revealed by quantitative real-time PCR (RT-PCR), western blotting and dual-luciferase reporter assay. Finally, animal experiments were used to explore the effects of exosomal miR-410-3p on embryo absorption in mice. The serum exosomes from SA patients inhibited trophoblast EMT and reduced their migration and invasion ability in vitro. The miRNA sequencing showed that miR-410-3p was upregulated in SA serum exosomes. The functional experiments showed that SA serum exosomes restrained trophoblast EMT, migration and invasion by releasing miR-410-3p. Mechanistically, SA serum exosomal miR-410-3p inhibited trophoblast cell EMT, migration and invasion by targeting TNF receptor-associated factor 6 (TRAF6) at the post-transcriptional level. Besides, SA serum exosomal miR-410-3p inhibited the p38 MAPK signalling pathway by targeting TRAF6 in trophoblasts. Moreover, milk exosomes loaded with miR-410-3p mimic reached the maternal-fetal interface and aggravated embryo absorption in female mice. Clinically, miR-410-3p and TRAF6 expression were abnormal and negatively correlated in the placental villi of SA patients. Our findings indicated that exosome-derived miR-410-3p plays an important role between SA serum and trophoblasts in intercellular communication, suggesting a novel mechanism by which serum exosomal miRNA regulates trophoblasts in SA patients.
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Affiliation(s)
- Zhen‐yue Chen
- The First Clinical Medical College of Guangzhou University of Chinese MedicineGuangzhouChina
- Lingnan Medical Research Center of Guangzhou University of Chinese MedicineGuangzhouChina
| | - Zhen Li
- The Second Clinical College of Guangzhou University of Chinese MedicineThe Second Affiliated Hospital of Guangzhou University of Chinese MedicineGuangzhouChina
| | - Yun Zong
- The First Clinical Medical College of Guangzhou University of Chinese MedicineGuangzhouChina
- Lingnan Medical Research Center of Guangzhou University of Chinese MedicineGuangzhouChina
| | - Bo Xia
- The First Clinical Medical College of Guangzhou University of Chinese MedicineGuangzhouChina
- Lingnan Medical Research Center of Guangzhou University of Chinese MedicineGuangzhouChina
| | - Song‐ping Luo
- Department of GynecologyFirst Affifiliated Hospital of Guangzhou University of Chinese MedicineGuangzhouChina
| | - Gao‐pi Deng
- Department of GynecologyFirst Affifiliated Hospital of Guangzhou University of Chinese MedicineGuangzhouChina
| | - Jie Gao
- Department of GynecologyFirst Affifiliated Hospital of Guangzhou University of Chinese MedicineGuangzhouChina
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Yamaga S, Aziz M, Murao A, Brenner M, Wang P. DAMPs and radiation injury. Front Immunol 2024; 15:1353990. [PMID: 38333215 PMCID: PMC10850293 DOI: 10.3389/fimmu.2024.1353990] [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: 12/11/2023] [Accepted: 01/15/2024] [Indexed: 02/10/2024] Open
Abstract
The heightened risk of ionizing radiation exposure, stemming from radiation accidents and potential acts of terrorism, has spurred growing interests in devising effective countermeasures against radiation injury. High-dose ionizing radiation exposure triggers acute radiation syndrome (ARS), manifesting as hematopoietic, gastrointestinal, and neurovascular ARS. Hematopoietic ARS typically presents with neutropenia and thrombocytopenia, while gastrointestinal ARS results in intestinal mucosal injury, often culminating in lethal sepsis and gastrointestinal bleeding. This deleterious impact can be attributed to radiation-induced DNA damage and oxidative stress, leading to various forms of cell death, such as apoptosis, necrosis and ferroptosis. Damage-associated molecular patterns (DAMPs) are intrinsic molecules released by cells undergoing injury or in the process of dying, either through passive or active pathways. These molecules then interact with pattern recognition receptors, triggering inflammatory responses. Such a cascade of events ultimately results in further tissue and organ damage, contributing to the elevated mortality rate. Notably, infection and sepsis often develop in ARS cases, further increasing the release of DAMPs. Given that lethal sepsis stands as a major contributor to the mortality in ARS, DAMPs hold the potential to function as mediators, exacerbating radiation-induced organ injury and consequently worsening overall survival. This review describes the intricate mechanisms underlying radiation-induced release of DAMPs. Furthermore, it discusses the detrimental effects of DAMPs on the immune system and explores potential DAMP-targeting therapeutic strategies to alleviate radiation-induced injury.
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Affiliation(s)
- Satoshi Yamaga
- Center for Immunology and Inflammation, The Feinstein Institutes for Medical Research, Manhasset, NY, United States
| | - Monowar Aziz
- Center for Immunology and Inflammation, The Feinstein Institutes for Medical Research, Manhasset, NY, United States
- Departments of Surgery and Molecular Medicine, Zucker School of Medicine at Hofstra/Northwell, Manhasset, NY, United States
| | - Atsushi Murao
- Center for Immunology and Inflammation, The Feinstein Institutes for Medical Research, Manhasset, NY, United States
| | - Max Brenner
- Center for Immunology and Inflammation, The Feinstein Institutes for Medical Research, Manhasset, NY, United States
- Departments of Surgery and Molecular Medicine, Zucker School of Medicine at Hofstra/Northwell, Manhasset, NY, United States
| | - Ping Wang
- Center for Immunology and Inflammation, The Feinstein Institutes for Medical Research, Manhasset, NY, United States
- Departments of Surgery and Molecular Medicine, Zucker School of Medicine at Hofstra/Northwell, Manhasset, NY, United States
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Shao Y, Jiang Y, Wang J, Li H, Li C, Zhang D. Inhibition of circulating exosomes release with GW4869 mitigates severe acute pancreatitis-stimulated intestinal barrier damage through suppressing NLRP3 inflammasome-mediated pyroptosis. Int Immunopharmacol 2024; 126:111301. [PMID: 38016345 DOI: 10.1016/j.intimp.2023.111301] [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: 10/03/2023] [Revised: 11/16/2023] [Accepted: 11/24/2023] [Indexed: 11/30/2023]
Abstract
Intestinal barrier dysfunction frequently occurs as a complication in cases of severe acute pancreatitis (SAP); however, no effective therapeutic methods are available because the precise mechanism remains obscure. Recent research has elucidated the role of circulating exosomes in the progression of SAP. Therefore, the present study explored whether inhibiting circulating exosomes release would improve intestinal barrier injury triggered via SAP and investigated the possible underlying mechanism. In vivo, we found that circulating exosomes release exhibited a considerable increase in SAP rats than in SO rats, and GW4869, a suppressor of exosomes release, significantly decreased exosomes release in SAP rats. We also observed that GW4869 suppressed NLRP3 inflammasome-mediated pyroptosis within the intestine and alleviated intestinal barrier injury within SAP. Moreover, the inflammatory response and remote organ (kidney and lung) injury associated with SAP improved after GW4869 treatment. In vitro, we confirmed that depletion of exosomes with GW4869 could partially abolish the destructive effects of SAP rat plasma on the viability and barrier function of IEC-6 cells. In summary, our findings show that the suppression of the release of circulating exosomes effectively inhibits the process of pyroptosis mediated by the NOD-like receptor protein 3 (NLRP3) inflammasome and, therefore, mitigates intestinal barrier dysfunction in SAP, suggesting that circulating exosomes may be a potential target for treating SAP.
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Affiliation(s)
- Yang Shao
- Qingdao Medical College, Qingdao University, Qingdao, Shandong, China; Department of The First General Surgery, Qingdao Municipal Hospital Affiliated to Qingdao University, Qingdao, Shandong, China
| | - Yingjian Jiang
- Department of The First General Surgery, Qingdao Municipal Hospital Affiliated to Qingdao University, Qingdao, Shandong, China
| | - Jiang Wang
- Department of The First General Surgery, Qingdao Municipal Hospital Affiliated to Qingdao University, Qingdao, Shandong, China
| | - Hongbo Li
- Department of The First General Surgery, Qingdao Municipal Hospital Affiliated to Qingdao University, Qingdao, Shandong, China
| | - Chang Li
- Department of The First General Surgery, Qingdao Municipal Hospital Affiliated to Qingdao University, Qingdao, Shandong, China
| | - Dianliang Zhang
- Department of The First General Surgery, Qingdao Municipal Hospital Affiliated to Qingdao University, Qingdao, Shandong, China.
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Lu Q, Liang Y, Tian S, Jin J, Zhao Y, Fan H. Radiation-Induced Intestinal Injury: Injury Mechanism and Potential Treatment Strategies. TOXICS 2023; 11:1011. [PMID: 38133412 PMCID: PMC10747544 DOI: 10.3390/toxics11121011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/18/2023] [Revised: 12/01/2023] [Accepted: 12/08/2023] [Indexed: 12/23/2023]
Abstract
Radiation-induced intestinal injury (RIII) is one of the most common intestinal complications caused by radiotherapy for pelvic and abdominal tumors and it seriously affects the quality of life of patients. However, the treatment of acute RIII is essentially symptomatic and nutritional support treatment and an ideal means of prevention and treatment is lacking. Researchers have conducted studies at the cellular and animal levels and found that some chemical or biological agents have good therapeutic effects on RIII and may be used as potential candidates for clinical treatment. This article reviews the injury mechanism and potential treatment strategies based on cellular and animal experiments to provide new ideas for the diagnosis and treatment of RIII in clinical settings.
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Affiliation(s)
- Qianying Lu
- Institute of Disaster and Emergency Medicine, Tianjin University, Tianjin 300072, China; (Q.L.); (Y.L.); (S.T.); (J.J.)
- Tianjin Key Laboratory of Disaster Medicine Technology, Tianjin 300072, China
| | - Yangfan Liang
- Institute of Disaster and Emergency Medicine, Tianjin University, Tianjin 300072, China; (Q.L.); (Y.L.); (S.T.); (J.J.)
- Tianjin Key Laboratory of Disaster Medicine Technology, Tianjin 300072, China
| | - Sijia Tian
- Institute of Disaster and Emergency Medicine, Tianjin University, Tianjin 300072, China; (Q.L.); (Y.L.); (S.T.); (J.J.)
- Tianjin Key Laboratory of Disaster Medicine Technology, Tianjin 300072, China
| | - Jie Jin
- Institute of Disaster and Emergency Medicine, Tianjin University, Tianjin 300072, China; (Q.L.); (Y.L.); (S.T.); (J.J.)
- Tianjin Key Laboratory of Disaster Medicine Technology, Tianjin 300072, China
| | - Yanmei Zhao
- Institute of Disaster and Emergency Medicine, Tianjin University, Tianjin 300072, China; (Q.L.); (Y.L.); (S.T.); (J.J.)
- Tianjin Key Laboratory of Disaster Medicine Technology, Tianjin 300072, China
| | - Haojun Fan
- Institute of Disaster and Emergency Medicine, Tianjin University, Tianjin 300072, China; (Q.L.); (Y.L.); (S.T.); (J.J.)
- Tianjin Key Laboratory of Disaster Medicine Technology, Tianjin 300072, China
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Li H, Zhao S, Jiang M, Zhu T, Liu J, Feng G, Lu L, Dong J, Wu X, Chen X, Zhao Y, Fan S. Biomodified Extracellular Vesicles Remodel the Intestinal Microenvironment to Overcome Radiation Enteritis. ACS NANO 2023. [PMID: 37399352 DOI: 10.1021/acsnano.3c04578] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/05/2023]
Abstract
Ionizing radiation (IR) is associated with the occurrence of enteritis, and protecting the whole intestine from radiation-induced gut injury remains an unmet clinical need. Circulating extracellular vesicles (EVs) are proven to be vital factors in the establishment of tissue and cell microenvironments. In this study, we aimed to investigate a radioprotective strategy mediated by small EVs (exosomes) in the context of irradiation-induced intestinal injury. We found that exosomes derived from donor mice exposed to total body irradiation (TBI) could protect recipient mice against TBI-induced lethality and alleviate radiation-induced gastrointestinal (GI) tract toxicity. To enhance the protective effect of EVs, profilings of mouse and human exosomal microRNAs (miRNAs) were performed to identify the functional molecule in exosomes. We found that miRNA-142-5p was highly expressed in exosomes from both donor mice exposed to TBI and patients after radiotherapy (RT). Moreover, miR-142 protected intestinal epithelial cells from irradiation-induced apoptosis and death and mediated EV protection against radiation enteritis by ameliorating the intestinal microenvironment. Then, biomodification of EVs was accomplished via enhancing miR-142 expression and intestinal specificity of exosomes, and thus improved EV-mediated protection from radiation enteritis. Our findings provide an effective approach for protecting against GI syndrome in people exposed to irradiation.
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Affiliation(s)
- Hang Li
- Tianjin Key Laboratory of Radiation Medicine and Molecular Nuclear Medicine, Institute of Radiation Medicine, Chinese Academy of Medical Sciences and Peking Union Medical College, Tianjin 300192, P.R. China
| | - Shuya Zhao
- Tianjin Key Laboratory of Radiation Medicine and Molecular Nuclear Medicine, Institute of Radiation Medicine, Chinese Academy of Medical Sciences and Peking Union Medical College, Tianjin 300192, P.R. China
| | - Mian Jiang
- Tianjin Key Laboratory of Radiation Medicine and Molecular Nuclear Medicine, Institute of Radiation Medicine, Chinese Academy of Medical Sciences and Peking Union Medical College, Tianjin 300192, P.R. China
| | - Tong Zhu
- Tianjin Key Laboratory of Radiation Medicine and Molecular Nuclear Medicine, Institute of Radiation Medicine, Chinese Academy of Medical Sciences and Peking Union Medical College, Tianjin 300192, P.R. China
| | - Jinjian Liu
- Tianjin Key Laboratory of Radiation Medicine and Molecular Nuclear Medicine, Institute of Radiation Medicine, Chinese Academy of Medical Sciences and Peking Union Medical College, Tianjin 300192, P.R. China
| | - Guoxing Feng
- Tianjin Key Laboratory of Radiation Medicine and Molecular Nuclear Medicine, Institute of Radiation Medicine, Chinese Academy of Medical Sciences and Peking Union Medical College, Tianjin 300192, P.R. China
| | - Lu Lu
- Tianjin Key Laboratory of Radiation Medicine and Molecular Nuclear Medicine, Institute of Radiation Medicine, Chinese Academy of Medical Sciences and Peking Union Medical College, Tianjin 300192, P.R. China
| | - Jiali Dong
- Tianjin Key Laboratory of Radiation Medicine and Molecular Nuclear Medicine, Institute of Radiation Medicine, Chinese Academy of Medical Sciences and Peking Union Medical College, Tianjin 300192, P.R. China
| | - Xin Wu
- Tianjin Key Laboratory of Radiation Medicine and Molecular Nuclear Medicine, Institute of Radiation Medicine, Chinese Academy of Medical Sciences and Peking Union Medical College, Tianjin 300192, P.R. China
| | - Xin Chen
- Department of Oncology, Renmin Hospital of Wuhan University, Wuhan 430060, Hubei Province China
| | - Yu Zhao
- Tianjin Key Laboratory of Radiation Medicine and Molecular Nuclear Medicine, Institute of Radiation Medicine, Chinese Academy of Medical Sciences and Peking Union Medical College, Tianjin 300192, P.R. China
| | - Saijun Fan
- Tianjin Key Laboratory of Radiation Medicine and Molecular Nuclear Medicine, Institute of Radiation Medicine, Chinese Academy of Medical Sciences and Peking Union Medical College, Tianjin 300192, P.R. China
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Groves AM, Paris N, Hernady E, Johnston CJ, Aljitawi O, Lee YF, Kerns SL, Marples B. Prevention of Radiation-Induced Bladder Injury: A Murine Study Using Captopril. Int J Radiat Oncol Biol Phys 2023; 115:972-982. [PMID: 36400304 DOI: 10.1016/j.ijrobp.2022.10.033] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2022] [Revised: 10/04/2022] [Accepted: 10/13/2022] [Indexed: 11/17/2022]
Abstract
PURPOSE Pelvic radiation therapy (RT) can cause debilitating bladder toxicities but few clinical interventions exist to prevent injury or alleviate symptoms. From a large genome-wide association study in patients with prostate cancer it was previously reported that SNPs tagging AGT, part of the renin-angiotensin system (RAS), correlated with patient-reported late hematuria, identifying a potential targetable pathway to prevent RT-induced bladder injury. To investigate this association, we performed a preclinical study to determine whether RAS modulation protected the bladder against RT injury. METHODS AND MATERIALS C57BL/6 male mice were treated with an oral angiotensin converting enzyme inhibitor (ACEi: 0.3g/L captopril) 5 days before focal bladder X-irradiation with either single dose (SD) 30 Gy or 3 fractions of 8 Gy (8 Gy × 3 in 5 days). RT was delivered using XStrahl SARRP Muriplan CT-image guidance with parallel-opposed lateral beams. ACEi was maintained for 20 weeks post RT. Bladder toxicity was assessed using assays to identify local injury that included urinalysis, functional micturition, bladder-released exosomes, and histopathology, as well as an assessment of systemic changes in inflammatory-mediated circulating immune cells. RESULTS SD and fractionated RT increased urinary frequency and reduced the volume of individual voids at >14 weeks, but not at 4 weeks, compared with nonirradiated animals. Urothelial layer width was positively correlated with mean volume of individual voids (P = .0428) and negatively correlated with number of voids (P = .028), relating urothelial thinning to changes in RT-mediated bladder dysfunction. These chronic RT-induced changes in micturition patterns were prevented by captopril treatment. Focal bladder irradiation significantly increased the mean particle count of urine extracellular vesicles and the monocyte and neutrophil chemokines CCL2 and MIP-2, and the proportions of circulating inflammatory-mediated neutrophils and monocytes, which was also prevented by captopril. Exploratory transcriptomic analysis of bladder tissue implicated inflammatory and erythropoietic pathways. CONCLUSIONS This study demonstrated that systemic modulation of the RAS protected against and alleviated RT-induced late bladder injury but larger confirmatory studies are needed.
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Affiliation(s)
- Angela M Groves
- Departments of Radiation Oncology, University of Rochester, Rochester, New York
| | - Nicole Paris
- Departments of Radiation Oncology, University of Rochester, Rochester, New York
| | - Eric Hernady
- Departments of Radiation Oncology, University of Rochester, Rochester, New York
| | - Carl J Johnston
- Departments of Pediatrics, University of Rochester, Rochester, New York
| | - Omar Aljitawi
- Departments of Medicine, Hematology/Oncology, University of Rochester, Rochester, New York
| | - Yi-Fen Lee
- Departments of Urology, University of Rochester, Rochester, New York
| | - Sarah L Kerns
- Departments of Radiation Oncology, University of Rochester, Rochester, New York
| | - Brian Marples
- Departments of Radiation Oncology, University of Rochester, Rochester, New York.
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Qian L, Li Q, Ding Z, Luo K, Su J, Chen J, Zhu G, Gan Z, Yu Q. Prodrug Nanosensitizer Overcomes the Radiation Resistance of Hypoxic Tumor. ACS APPLIED MATERIALS & INTERFACES 2022; 14:56454-56470. [PMID: 36525559 DOI: 10.1021/acsami.2c14628] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/17/2023]
Abstract
Clinical radiation therapy (RT) is often hindered by the low radiation energy absorption coefficient and the hypoxic features of tumor tissues. Among the tremendous efforts devoted to overcoming the barriers to efficient RT, the application of hypoxic radiosensitizers and cell-cycle-specific chemotherapeutics has shown great potential. However, their effectiveness is often compromised by their limited bioavailability, especially in the hypoxic region, which plays a major role in radioresistance. Herein, to simultaneously improve the delivery efficacy of both hypoxic radiosensitizer and cell-cycle-specific drug, a gambogic acid (GA) metronidazole (MN) prodrug (GM) was designed and synthesized based on GA, a naturally occurring chemotherapeutic and multiple pathway inhibitor, and MN, a typical hypoxic radiosensitizer. In combination with MN-containing block copolymers, the prodrug nanosensitizer (NS) of GM was obtained. Owing to the bioreduction of MN, the as-designed prodrug could be efficiently delivered to hypoxic cells and act on mitochondria to cause the accumulation of reactive oxygen species. The strong G2/M phase arrest caused by the prodrug NS could further sensitize treated cells to external radiation under hypoxic conditions by increasing DNA damage and delaying DNA repair. After coadministration of the NS with a well-established tissue-penetrating peptide, efficient tumor accumulation, deep tumor penetration, and highly potent chemoradiotherapy could be achieved.
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Affiliation(s)
- Lili Qian
- State Key Laboratory of Organic-Inorganic Composite Materials, Beijing Laboratory of Biomedical Materials, Beijing Advanced Innovation Center for Soft Matter Science and Engineering, College of Life Science and Technology, Key Laboratory of Biomedical Materials of Natural Macromolecules (Ministry of Education), Beijing University of Chemical Technology, Beijing100029, China
| | - Qian Li
- State Key Laboratory of Organic-Inorganic Composite Materials, Beijing Laboratory of Biomedical Materials, Beijing Advanced Innovation Center for Soft Matter Science and Engineering, College of Life Science and Technology, Key Laboratory of Biomedical Materials of Natural Macromolecules (Ministry of Education), Beijing University of Chemical Technology, Beijing100029, China
| | - Zhenshan Ding
- Department of Urology, China-Japan Friendship Hospital, Beijing100029, China
| | - Kejun Luo
- State Key Laboratory of Organic-Inorganic Composite Materials, Beijing Laboratory of Biomedical Materials, Beijing Advanced Innovation Center for Soft Matter Science and Engineering, College of Life Science and Technology, Key Laboratory of Biomedical Materials of Natural Macromolecules (Ministry of Education), Beijing University of Chemical Technology, Beijing100029, China
| | - Jiamin Su
- State Key Laboratory of Organic-Inorganic Composite Materials, Beijing Laboratory of Biomedical Materials, Beijing Advanced Innovation Center for Soft Matter Science and Engineering, College of Life Science and Technology, Key Laboratory of Biomedical Materials of Natural Macromolecules (Ministry of Education), Beijing University of Chemical Technology, Beijing100029, China
| | - Jiawei Chen
- State Key Laboratory of Organic-Inorganic Composite Materials, Beijing Laboratory of Biomedical Materials, Beijing Advanced Innovation Center for Soft Matter Science and Engineering, College of Life Science and Technology, Key Laboratory of Biomedical Materials of Natural Macromolecules (Ministry of Education), Beijing University of Chemical Technology, Beijing100029, China
| | - Guangying Zhu
- Department of Radiation Oncology, China-Japan Friendship Hospital, Beijing100029, China
| | - Zhihua Gan
- State Key Laboratory of Organic-Inorganic Composite Materials, Beijing Laboratory of Biomedical Materials, Beijing Advanced Innovation Center for Soft Matter Science and Engineering, College of Life Science and Technology, Key Laboratory of Biomedical Materials of Natural Macromolecules (Ministry of Education), Beijing University of Chemical Technology, Beijing100029, China
| | - Qingsong Yu
- State Key Laboratory of Organic-Inorganic Composite Materials, Beijing Laboratory of Biomedical Materials, Beijing Advanced Innovation Center for Soft Matter Science and Engineering, College of Life Science and Technology, Key Laboratory of Biomedical Materials of Natural Macromolecules (Ministry of Education), Beijing University of Chemical Technology, Beijing100029, China
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Xi C, Zhao H, Liu HX, Xiang JQ, Lu X, Cai TJ, Li S, Gao L, Tian XL, Liu KH, Tian M, Liu QJ. Screening of radiation gastrointestinal injury biomarkers in rat plasma by high-coverage targeted lipidomics. Biomarkers 2022; 27:448-460. [PMID: 35315697 DOI: 10.1080/1354750x.2022.2056920] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022]
Abstract
INTRODUCTION In the event of radiological accidents and cancer radiotherapies in clinic, the gastrointestinal (GI) system is vulnerable to ionizing radiation and shows GI injury. Accessible biomarkers may provide means to predict, evaluate, and treat GI tissue damage. The current study investigated radiation GI injury biomarkers in rat plasma. MATERIAL AND METHODS High-coverage targeted lipidomics was employed to profile lipidome perturbations at 72 h after 0, 1, 2, 3, 5 and 8 Gy (60Co γ-rays at 1 Gy/min) total-body irradiation in male rat jejunum. The results were correlated with previous plasma screening outcomes. RESULTS In total, 93 differential metabolites and 28 linear dose-responsive metabolites were screened in the jejunum. Moreover, 52 lipid species with significant differences both in jejunum and plasma were obtained. Three lipid species with linear dose-response relationship both in jejunum and plasma were put forth, which exhibited good to excellent sensitivity and specificity in triaging different exposure levels. DISCUSSION The linear dose-effect relationship of lipid metabolites in the jejunum and the triage performance of radiation GI injury biomarkers in plasma were studied for the first time. CONCLUSION The present study can provide insights into expanded biomarkers of IR-mediated GI injury and minimally invasive assays for evaluation.
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Affiliation(s)
- Cong Xi
- China CDC Key Laboratory of Radiological Protection and Nuclear Emergency, National Institute for Radiological Protection, Chinese Center for Disease Control and Prevention, Beijing, China
| | - Hua Zhao
- China CDC Key Laboratory of Radiological Protection and Nuclear Emergency, National Institute for Radiological Protection, Chinese Center for Disease Control and Prevention, Beijing, China
| | - Hai-Xiang Liu
- China CDC Key Laboratory of Radiological Protection and Nuclear Emergency, National Institute for Radiological Protection, Chinese Center for Disease Control and Prevention, Beijing, China
| | - Jia-Qi Xiang
- China CDC Key Laboratory of Radiological Protection and Nuclear Emergency, National Institute for Radiological Protection, Chinese Center for Disease Control and Prevention, Beijing, China
| | - Xue Lu
- China CDC Key Laboratory of Radiological Protection and Nuclear Emergency, National Institute for Radiological Protection, Chinese Center for Disease Control and Prevention, Beijing, China
| | - Tian-Jing Cai
- China CDC Key Laboratory of Radiological Protection and Nuclear Emergency, National Institute for Radiological Protection, Chinese Center for Disease Control and Prevention, Beijing, China
| | - Shuang Li
- China CDC Key Laboratory of Radiological Protection and Nuclear Emergency, National Institute for Radiological Protection, Chinese Center for Disease Control and Prevention, Beijing, China
| | - Ling Gao
- China CDC Key Laboratory of Radiological Protection and Nuclear Emergency, National Institute for Radiological Protection, Chinese Center for Disease Control and Prevention, Beijing, China
| | - Xue-Lei Tian
- China CDC Key Laboratory of Radiological Protection and Nuclear Emergency, National Institute for Radiological Protection, Chinese Center for Disease Control and Prevention, Beijing, China
| | - Ke-Hui Liu
- State Key Laboratory of Membrane Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing, China.,Institute for Stem Cell and Regeneration, Chinese Academy of Sciences, Beijing, China.,University of Chinese Academy of Sciences, Beijing, China
| | - Mei Tian
- China CDC Key Laboratory of Radiological Protection and Nuclear Emergency, National Institute for Radiological Protection, Chinese Center for Disease Control and Prevention, Beijing, China
| | - Qing-Jie Liu
- China CDC Key Laboratory of Radiological Protection and Nuclear Emergency, National Institute for Radiological Protection, Chinese Center for Disease Control and Prevention, Beijing, China
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Kis D, Csordás IB, Persa E, Jezsó B, Hargitai R, Szatmári T, Sándor N, Kis E, Balázs K, Sáfrány G, Lumniczky K. Extracellular Vesicles Derived from Bone Marrow in an Early Stage of Ionizing Radiation Damage Are Able to Induce Bystander Responses in the Bone Marrow. Cells 2022; 11:cells11010155. [PMID: 35011718 PMCID: PMC8750882 DOI: 10.3390/cells11010155] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2021] [Revised: 12/22/2021] [Accepted: 12/24/2021] [Indexed: 02/01/2023] Open
Abstract
Ionizing radiation (IR)-induced bystander effects contribute to biological responses to radiation, and extracellular vesicles (EVs) play important roles in mediating these effects. In this study we investigated the role of bone marrow (BM)-derived EVs in the bystander transfer of radiation damage. Mice were irradiated with 0.1Gy, 0.25Gy and 2Gy, EVs were extracted from the BM supernatant 24 h or 3 months after irradiation and injected into bystander mice. Acute effects on directly irradiated or EV-treated mice were investigated after 4 and 24 h, while late effects were investigated 3 months after treatment. The acute effects of EVs on the hematopoietic stem and progenitor cell pools were similar to direct irradiation effects and persisted for up to 3 months, with the hematopoietic stem cells showing the strongest bystander responses. EVs isolated 3 months after irradiation elicited no bystander responses. The level of seven microRNAs (miR-33a-3p, miR-140-3p, miR-152-3p, miR-199a-5p, miR-200c-5p, miR-375-3p and miR-669o-5p) was altered in the EVs isolated 24 hour but not 3 months after irradiation. They regulated pathways highly relevant for the cellular response to IR, indicating their role in EV-mediated bystander responses. In conclusion, we showed that only EVs from an early stage of radiation damage could transmit IR-induced bystander effects.
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Affiliation(s)
- Dávid Kis
- National Public Health Center, Department of Radiobiology and Radiohygiene, Unit of Radiation Medicine, 1097 Budapest, Hungary; (D.K.); (I.B.C.); (E.P.); (R.H.); (T.S.); (N.S.); (E.K.); (K.B.); (G.S.)
- Doctoral School of Pathological Sciences, Semmelweis University, 1085 Budapest, Hungary
| | - Ilona Barbara Csordás
- National Public Health Center, Department of Radiobiology and Radiohygiene, Unit of Radiation Medicine, 1097 Budapest, Hungary; (D.K.); (I.B.C.); (E.P.); (R.H.); (T.S.); (N.S.); (E.K.); (K.B.); (G.S.)
| | - Eszter Persa
- National Public Health Center, Department of Radiobiology and Radiohygiene, Unit of Radiation Medicine, 1097 Budapest, Hungary; (D.K.); (I.B.C.); (E.P.); (R.H.); (T.S.); (N.S.); (E.K.); (K.B.); (G.S.)
| | - Bálint Jezsó
- Doctoral School of Biology and Institute of Biology, Eötvös Loránd University, 1053 Budapest, Hungary;
- Research Centre for Natural Sciences, Institute of Enzymology, 1117 Budapest, Hungary
| | - Rita Hargitai
- National Public Health Center, Department of Radiobiology and Radiohygiene, Unit of Radiation Medicine, 1097 Budapest, Hungary; (D.K.); (I.B.C.); (E.P.); (R.H.); (T.S.); (N.S.); (E.K.); (K.B.); (G.S.)
| | - Tünde Szatmári
- National Public Health Center, Department of Radiobiology and Radiohygiene, Unit of Radiation Medicine, 1097 Budapest, Hungary; (D.K.); (I.B.C.); (E.P.); (R.H.); (T.S.); (N.S.); (E.K.); (K.B.); (G.S.)
| | - Nikolett Sándor
- National Public Health Center, Department of Radiobiology and Radiohygiene, Unit of Radiation Medicine, 1097 Budapest, Hungary; (D.K.); (I.B.C.); (E.P.); (R.H.); (T.S.); (N.S.); (E.K.); (K.B.); (G.S.)
| | - Enikő Kis
- National Public Health Center, Department of Radiobiology and Radiohygiene, Unit of Radiation Medicine, 1097 Budapest, Hungary; (D.K.); (I.B.C.); (E.P.); (R.H.); (T.S.); (N.S.); (E.K.); (K.B.); (G.S.)
| | - Katalin Balázs
- National Public Health Center, Department of Radiobiology and Radiohygiene, Unit of Radiation Medicine, 1097 Budapest, Hungary; (D.K.); (I.B.C.); (E.P.); (R.H.); (T.S.); (N.S.); (E.K.); (K.B.); (G.S.)
- Doctoral School of Pathological Sciences, Semmelweis University, 1085 Budapest, Hungary
| | - Géza Sáfrány
- National Public Health Center, Department of Radiobiology and Radiohygiene, Unit of Radiation Medicine, 1097 Budapest, Hungary; (D.K.); (I.B.C.); (E.P.); (R.H.); (T.S.); (N.S.); (E.K.); (K.B.); (G.S.)
| | - Katalin Lumniczky
- National Public Health Center, Department of Radiobiology and Radiohygiene, Unit of Radiation Medicine, 1097 Budapest, Hungary; (D.K.); (I.B.C.); (E.P.); (R.H.); (T.S.); (N.S.); (E.K.); (K.B.); (G.S.)
- Correspondence:
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