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Szalanczy AM, Sherrill C, Fanning KM, Hart B, Caudell D, Davis AW, Whitfield J, Kavanagh K. A Novel TGFβ Receptor Inhibitor, IPW-5371, Prevents Diet-induced Hepatic Steatosis and Insulin Resistance in Irradiated Mice. Radiat Res 2024; 202:1-10. [PMID: 38772553 DOI: 10.1667/rade-23-00202.1] [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: 10/10/2023] [Accepted: 05/10/2024] [Indexed: 05/23/2024]
Abstract
As the number of cancer survivors increases and the risk of accidental radiation exposure rises, there is a pressing need to characterize the delayed effects of radiation exposure and develop medical countermeasures. Radiation has been shown to damage adipose progenitor cells and increase liver fibrosis, such that it predisposes patients to developing metabolic-associated fatty liver disease (MAFLD) and insulin resistance. The risk of developing these conditions is compounded by the global rise of diets rich in carbohydrates and fats. Radiation persistently increases the signaling cascade of transforming growth factor β (TGFβ), leading to heightened fibrosis as characteristic of the delayed effects of radiation exposure. We investigate here a potential radiation medical countermeasure, IPW-5371, a small molecule inhibitor of TGFβRI kinase (ALK5). We found that mice exposed to sub-lethal whole-body irradiation and chronic Western diet consumption but treated with IPW-5371 had a similar body weight, food consumption, and fat mass compared to control mice exposed to radiation. The IPW-5371 treated mice maintained lower fibrosis and fat accumulation in the liver, were more responsive to insulin and had lower circulating triglycerides and better muscle endurance. Future studies are needed to verify the improvement by IPW-5371 on the structure and function of other metabolically active tissues such as adipose and skeletal muscle, but these data demonstrate that IPW-5371 protects liver and whole-body health in rodents exposed to radiation and a Western diet, and there may be promise in using IPW-5371 to prevent the development of MAFLD.
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Affiliation(s)
- Alexandria M Szalanczy
- Department of Internal Medicine, Wake Forest School of Medicine, Winston-Salem, North Carolina
| | - Chrissy Sherrill
- Department of Pathology, Wake Forest School of Medicine, Winston-Salem, North Carolina
| | - Katherine M Fanning
- Department of Pathology, Wake Forest School of Medicine, Winston-Salem, North Carolina
| | - Barry Hart
- Innovation Pathways, Palo Alto, California
| | - David Caudell
- Department of Pathology, Wake Forest School of Medicine, Winston-Salem, North Carolina
| | - Ashley W Davis
- Department of Pathology, Wake Forest School of Medicine, Winston-Salem, North Carolina
| | - Jordyn Whitfield
- Department of Pathology, Wake Forest School of Medicine, Winston-Salem, North Carolina
| | - Kylie Kavanagh
- Department of Pathology, Wake Forest School of Medicine, Winston-Salem, North Carolina
- College of Health and Medicine, University o f Tasmania, Hobart, TAS 7000, Australia
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2
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Kumar VP, Jaiswal S, Wuddie K, Ward JM, Lawrence M, Ghosh SP. Development of a Radiation-induced Pulmonary Fibrosis Partial Body Irradiation Model in C57BL/6 Mice. Radiat Res 2024; 201:460-470. [PMID: 38376474 DOI: 10.1667/rade-23-00143.1] [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: 07/27/2023] [Accepted: 01/23/2024] [Indexed: 02/21/2024]
Abstract
With the current volatile geopolitical climate, the threat of nuclear assault is high. Exposure to ionizing radiation from either nuclear incidents or radiological accidents often lead to major harmful consequences to human health. Depending on the absorbed dose, the symptoms of the acute radiation syndrome and delayed effects of acute radiation exposure (DEARE) can appear within hours, weeks to months. The lung is a relatively radiosensitive organ with manifestation of radiation pneumonitis as an acute effect, followed by apparent fibrosis in weeks or even months. A recently developed, first-of-its-kind murine model for partial-body irradiation (PBI) injury, which can be used to test potential countermeasures against multi-organ damage such as gastrointestinal (GI) tract and lungs was used for irradiation, with 2.5% bone marrow spared (BM2.5-PBI) from radiation exposure. Long-term damage to lungs from radiation was evaluated using µ-CT scans, pulmonary function testing, histopathological parameters and molecular biomarkers. Pulmonary fibrosis was detected by ground glass opacity observed in µ-CT scans of male and female C57BL/6J mice 6-7 months after BM2.5-PBI. Lung mechanics assessments pertaining to peripheral airways suggested fibrotic lungs with stiffer parenchymal lung tissue and reduced inspiratory capacity in irradiated animals 6-7 months after BM2.5-PBI. Histopathological evaluation of the irradiated lungs revealed presence of focal and diffuse pleural, and parenchymal inflammatory and fibrotic lesions. Fibrosis was confirmed by elevated levels of collagen when compared to lungs of age-matched naïve mice. These findings were validated by findings of elevated levels of pro-fibrotic biomarkers and reduction in anti-inflammatory proteins. In conclusion, a long-term model for radiation-induced pulmonary fibrosis was established, and countermeasures could be screened in this model for survival and protection/mitigation or recovery from radiation-induced pulmonary damage.
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Affiliation(s)
- Vidya P Kumar
- Armed Forces Radiobiology Research Institute, Uniformed Services University of the Health Sciences, Bethesda, Maryland 20889
| | - Shalini Jaiswal
- Biomedical Research Imaging Core (BRIC), Uniformed Services University of the Health Sciences, Bethesda, Maryland 20889
| | - Kefale Wuddie
- Armed Forces Radiobiology Research Institute, Uniformed Services University of the Health Sciences, Bethesda, Maryland 20889
| | | | - Mark Lawrence
- SCIREQ Scientific Respiratory Equipment Inc, Montreal, QC, Canada
| | - Sanchita P Ghosh
- Armed Forces Radiobiology Research Institute, Uniformed Services University of the Health Sciences, Bethesda, Maryland 20889
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3
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Wu T, Orschell CM. The delayed effects of acute radiation exposure (DEARE): characteristics, mechanisms, animal models, and promising medical countermeasures. Int J Radiat Biol 2023; 99:1066-1079. [PMID: 36862990 PMCID: PMC10330482 DOI: 10.1080/09553002.2023.2187479] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2022] [Revised: 01/25/2023] [Accepted: 02/20/2023] [Indexed: 03/04/2023]
Abstract
PURPOSE Terrorist use of nuclear weapons and radiation accidents put the human population at risk for exposure to life-threatening levels of radiation. Victims of lethal radiation exposure face potentially lethal acute injury, while survivors of the acute phase are plagued with chronic debilitating multi-organ injuries for years after exposure. Developing effective medical countermeasures (MCM) for the treatment of radiation exposure is an urgent need that relies heavily on studies conducted in reliable and well-characterized animal models according to the FDA Animal Rule. Although relevant animal models have been developed in several species and four MCM for treatment of the acute radiation syndrome are now FDA-approved, animal models for the delayed effects of acute radiation exposure (DEARE) have only recently been developed, and there are no licensed MCM for DEARE. Herein, we provide a review of the DEARE including key characteristics of the DEARE gleaned from human data as well as animal, mechanisms common to multi-organ DEARE, small and large animal models used to study the DEARE, and promising new or repurposed MCM under development for alleviation of the DEARE. CONCLUSIONS Intensification of research efforts and support focused on better understanding of mechanisms and natural history of DEARE are urgently needed. Such knowledge provides the necessary first steps toward the design and development of MCM that effectively alleviate the life-debilitating consequences of the DEARE for the benefit of humankind worldwide.
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Affiliation(s)
- Tong Wu
- Department of Medicine, Indiana University School of Medicine, Indianapolis, IN, USA
| | - Christie M Orschell
- Department of Medicine, Indiana University School of Medicine, Indianapolis, IN, USA
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Biomarkers to Predict Lethal Radiation Injury to the Rat Lung. Int J Mol Sci 2023; 24:ijms24065627. [PMID: 36982722 PMCID: PMC10053311 DOI: 10.3390/ijms24065627] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2022] [Revised: 02/25/2023] [Accepted: 03/13/2023] [Indexed: 03/18/2023] Open
Abstract
Currently, there are no biomarkers to predict lethal lung injury by radiation. Since it is not ethical to irradiate humans, animal models must be used to identify biomarkers. Injury to the female WAG/RijCmcr rat has been well-characterized after exposure to eight doses of whole thorax irradiation: 0-, 5-, 10-, 11-, 12-, 13-, 14- and 15-Gy. End points such as SPECT imaging of the lung using molecular probes, measurement of circulating blood cells and specific miRNA have been shown to change after radiation. Our goal was to use these changes to predict lethal lung injury in the rat model, 2 weeks post-irradiation, before any symptoms manifest and after which a countermeasure can be given to enhance survival. SPECT imaging with 99mTc-MAA identified a decrease in perfusion in the lung after irradiation. A decrease in circulating white blood cells and an increase in five specific miRNAs in whole blood were also tested. Univariate analyses were then conducted on the combined dataset. The results indicated that a combination of percent change in lymphocytes and monocytes, as well as pulmonary perfusion volume could predict survival from radiation to the lungs with 88.5% accuracy (95% confidence intervals of 77.8, 95.3) with a p-value of < 0.0001 versus no information rate. This study is one of the first to report a set of minimally invasive endpoints to predict lethal radiation injury in female rats. Lung-specific injury can be visualized by 99mTc-MAA as early as 2 weeks after radiation.
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Nemec-Bakk AS, Sridharan V, Desai P, Landes RD, Hart B, Allen AR, Boerma M. Effects of Simulated 5-Ion Galactic Cosmic Radiation on Function and Structure of the Mouse Heart. Life (Basel) 2023; 13:life13030795. [PMID: 36983950 PMCID: PMC10057791 DOI: 10.3390/life13030795] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2023] [Revised: 03/08/2023] [Accepted: 03/12/2023] [Indexed: 03/17/2023] Open
Abstract
Missions into deep space will expose astronauts to the harsh space environment, and the degenerative tissue effects of space radiation are largely unknown. To assess the risks, in this study, male BALB/c mice were exposed to 500 mGy 5-ion simulated GCR (GCRsim) at the NASA Space Radiation Laboratory. In addition, male and female CD1 mice were exposed to GCRsim and administered a diet containing Transforming Growth Factor-beta (TGF-β)RI kinase (ALK5) inhibitor IPW-5371 as a potential countermeasure. An ultrasound was performed to investigate cardiac function. Cardiac tissue was collected to determine collagen deposition, the density of the capillary network, and the expression of the immune mediator toll-like receptor 4 (TLR4) and immune cell markers CD2, CD4, and CD45. In male BALB/c mice, the only significant effects of GCRsim were an increase in the CD2 and TLR4 markers. In male CD1 mice, GCRsim caused a significant increase in total collagens and a decrease in the expression of TLR4, both of which were mitigated by the TGF-β inhibitor diet. In female CD1 mice, GCRsim caused an increase in the number of capillaries per tissue area in the ventricles, which may be explained by the decrease in the left ventricular mass. However, this increase was not mitigated by TGF-β inhibition. In both male and female CD1 mice, the combination of GCRsim and TGF-β inhibition caused changes in left ventricular immune cell markers that were not seen with GCRsim alone. These data suggest that GCRsim results in minor changes to cardiac tissue in both an inbred and outbred mouse strain. While there were few GCRsim effects to be mitigated, results from the combination of GCRsim and the TGF-β inhibitor do point to a role for TGF-β in maintaining markers of immune cells in the heart after exposure to GCR.
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Affiliation(s)
- Ashley S. Nemec-Bakk
- Division of Radiation Health, University of Arkansas for Medical Sciences, Little Rock, AR 72205, USA
- Correspondence:
| | - Vijayalakshmi Sridharan
- Division of Radiation Health, University of Arkansas for Medical Sciences, Little Rock, AR 72205, USA
| | - Parth Desai
- Division of Radiation Health, University of Arkansas for Medical Sciences, Little Rock, AR 72205, USA
| | - Reid D. Landes
- Department of Biostatistics, University of Arkansas for Medical Sciences, Little Rock, AR 72205, USA
| | - Barry Hart
- Innovation Pathways, LLC of Palo Alto, Palo Alto, CA 94301, USA
| | - Antiño R. Allen
- Division of Radiation Health, University of Arkansas for Medical Sciences, Little Rock, AR 72205, USA
| | - Marjan Boerma
- Division of Radiation Health, University of Arkansas for Medical Sciences, Little Rock, AR 72205, USA
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6
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Singh VK, Serebrenik AA, Fatanmi OO, Wise SY, Carpenter AD, Janocha BL, Kaytor MD. The Radioprotectant, BIO 300, Protects the Lungs from Total-Body Irradiation Injury in C57L/J Mice. Radiat Res 2023; 199:294-300. [PMID: 36689635 DOI: 10.1667/rade-22-00142.1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2022] [Accepted: 12/21/2022] [Indexed: 01/25/2023]
Abstract
Acute exposure to high dose radiation can cause acute radiation syndrome (ARS), a potentially life-threatening illness. Individuals that survive ARS are at risk of developing the delayed effects of acute radiation exposure, with the lungs being particularly susceptible (DEARE-lung). For individuals at risk of radiation exposure, there are no Food and Drug Administration-approved medical countermeasures (MCMs) for prophylactic or post-exposure use that can prevent or mitigate DEARE-lung. BIO 300 is a novel formulation of synthetic genistein that has been extensively studied as a prophylactic MCM for the hematopoietic subsyndrome of ARS (H-ARS). Here, we used a C57L/J mouse model of total-body irradiation (TBI) to investigate whether prophylactic administration of BIO 300 is able to prevent animals from developing DEARE-lung. Oral and parenteral formulations of BIO 300 administered prior to TBI were compared against standard of care, PEGfilgrastim, administered shortly after radiation exposure, and the combination of oral BIO 300 administered prior to TBI and with PEGfilgrastim administered post-exposure. All animals were exposed to 7.75 Gy cobalt-60 gamma-radiation and the primary endpoint was lung histopathology at 180 days post-TBI. Animals treated with BIO 300 had a significant reduction in the incidence of interstitial lung inflammation compared to vehicle groups for both the oral (0% vs. 47%) and parenteral (13% vs. 44%) routes of administration. Similar results were obtained for the incidence and severity of pulmonary fibrosis in animals treated with oral BIO 300 (incidence, 47% vs. 100% and mean severity score, 0.53 vs. 1.3) and parenteral BIO 300 (incidence, 63% vs. 100% and mean severity score, 0.69 vs. 1.7). PEGfilgrastim alone had no significant effect in reducing the incidence of inflammation or fibrosis compared to vehicle. The combination of oral BIO 300 and PEGfilgrastim significantly reduced the incidence of interstitial inflammation (13% vs. 46%) and the severity of pulmonary fibrosis (mean severity score, 0.93 vs. 1.6). Results in the C57L/J mice were compared to those in CD2F1 mice, which are less prone to lung injury following total-body irradiation. Taken together, these studies indicate that BIO 300 is a promising MCM that is able to prophylactically protect against DEARE-lung.
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Affiliation(s)
- Vijay K Singh
- Division of Radioprotectants, Department of Pharmacology and Molecular Therapeutics, F. Edward Hébert School of Medicine, Uniformed Services University of the Health Sciences, Bethesda, Maryland.,Armed Forces Radiobiology Research Institute, Uniformed Services University of the Health Sciences, Bethesda, Maryland
| | | | - Oluseyi O Fatanmi
- Division of Radioprotectants, Department of Pharmacology and Molecular Therapeutics, F. Edward Hébert School of Medicine, Uniformed Services University of the Health Sciences, Bethesda, Maryland.,Armed Forces Radiobiology Research Institute, Uniformed Services University of the Health Sciences, Bethesda, Maryland
| | - Stephen Y Wise
- Division of Radioprotectants, Department of Pharmacology and Molecular Therapeutics, F. Edward Hébert School of Medicine, Uniformed Services University of the Health Sciences, Bethesda, Maryland.,Armed Forces Radiobiology Research Institute, Uniformed Services University of the Health Sciences, Bethesda, Maryland
| | - Alana D Carpenter
- Division of Radioprotectants, Department of Pharmacology and Molecular Therapeutics, F. Edward Hébert School of Medicine, Uniformed Services University of the Health Sciences, Bethesda, Maryland.,Armed Forces Radiobiology Research Institute, Uniformed Services University of the Health Sciences, Bethesda, Maryland
| | - Brianna L Janocha
- Division of Radioprotectants, Department of Pharmacology and Molecular Therapeutics, F. Edward Hébert School of Medicine, Uniformed Services University of the Health Sciences, Bethesda, Maryland.,Armed Forces Radiobiology Research Institute, Uniformed Services University of the Health Sciences, Bethesda, Maryland
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7
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Fish BL, Hart B, Gasperetti T, Narayanan J, Gao F, Veley D, Pierce L, Himburg HA, MacVittie T, Medhora M. IPW-5371 mitigates the delayed effects of acute radiation exposure in WAG/RijCmcr rats when started 15 days after PBI with bone marrow sparing. Int J Radiat Biol 2023; 99:1119-1129. [PMID: 36794325 PMCID: PMC10330589 DOI: 10.1080/09553002.2023.2173825] [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: 11/28/2022] [Revised: 01/09/2023] [Accepted: 01/16/2023] [Indexed: 02/17/2023]
Abstract
PURPOSE To test IPW-5371 for the mitigation of the delayed effects of acute radiation exposure (DEARE). Survivors of acute radiation exposure are at risk for developing delayed multi-organ toxicities; however, there are no FDA-approved medical countermeasures (MCM) to mitigate DEARE. METHODS WAG/RijCmcr female rat model of partial-body irradiation (PBI), by shielding part of one hind leg, was used to test IPW-5371 (7 and 20 mg kg-1 d-1) for mitigation of lung and kidney DEARE when started 15 d after PBI. Rats were fed known amounts of IPW-5371 using a syringe, instead of delivery by daily oral gavage, sparing exacerbation of esophageal injury by radiation. The primary endpoint, all-cause morbidity was assessed over 215 d. Secondary endpoints: body weight, breathing rate and blood urea nitrogen were also assessed. RESULTS IPW-5371 enhanced survival (primary endpoint) as well as attenuated secondary endpoints of lung and kidney injuries by radiation. CONCLUSION To provide a window for dosimetry and triage, as well as avoid oral delivery during the acute radiation syndrome (ARS), the drug regimen was started at 15 d after 13.5 Gy PBI. The experimental design to test mitigation of DEARE was customized for translation in humans, using an animal model of radiation that was designed to simulate a radiologic attack or accident. The results support advanced development of IPW-5371 to mitigate lethal lung and kidney injuries after irradiation of multiple organs.
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Affiliation(s)
- Brian L. Fish
- Department of Radiation Oncology, Medical College of Wisconsin, Milwaukee, WI, 53226
| | - Barry Hart
- Innovation Pathways, Palo Alto, CA, 94301
| | - Tracy Gasperetti
- Department of Radiation Oncology, Medical College of Wisconsin, Milwaukee, WI, 53226
| | - Jayashree Narayanan
- Department of Radiation Oncology, Medical College of Wisconsin, Milwaukee, WI, 53226
| | - Feng Gao
- Department of Radiation Oncology, Medical College of Wisconsin, Milwaukee, WI, 53226
| | - Dana Veley
- Department of Radiation Oncology, Medical College of Wisconsin, Milwaukee, WI, 53226
| | - Lauren Pierce
- Department of Radiation Oncology, Medical College of Wisconsin, Milwaukee, WI, 53226
| | - Heather A. Himburg
- Department of Radiation Oncology, Medical College of Wisconsin, Milwaukee, WI, 53226
| | - Thomas MacVittie
- Innovation Pathways, Palo Alto, CA, 94301
- Department of Radiation Oncology, University of Maryland, School of Medicine, Baltimore, MD 21201
| | - Meetha Medhora
- Department of Radiation Oncology, Medical College of Wisconsin, Milwaukee, WI, 53226
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8
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Preininger MK, Zaytseva D, Lin JM, Kaufer D. Blood-brain barrier dysfunction promotes astrocyte senescence through albumin-induced TGFβ signaling activation. Aging Cell 2023; 22:e13747. [PMID: 36606305 PMCID: PMC9924950 DOI: 10.1111/acel.13747] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2021] [Revised: 08/22/2022] [Accepted: 11/06/2022] [Indexed: 01/07/2023] Open
Abstract
Blood-brain barrier dysfunction (BBBD) and accumulation of senescent astrocytes occur during brain aging and contribute to neuroinflammation and disease. Here, we explored the relationship between these two age-related events, hypothesizing that chronic hippocampal exposure to the blood-borne protein serum albumin could induce stress-induced premature senescence (SIPS) in astrocytes via transforming growth factor beta 1 (TGFβ) signaling. We found that 1 week of albumin exposure significantly increased TGFβ signaling and senescence marker expression in cultured rat hippocampal astrocytes. These changes were preventable by pharmacological inhibition of the type I TGFβ receptor (TGFβR) ALK5. To study these effects in vivo, we utilized an animal model of BBBD in which albumin was continuously infused into the lateral ventricles of adult mice. Consistent with our in vitro results, 1 week of albumin infusion significantly increased TGFβ signaling activation and the burden of senescent astrocytes in hippocampal tissue. Pharmacological inhibition of ALK5 TGFβR or conditional genetic knockdown of astrocytic TGFβR prior to albumin infusion was sufficient to prevent albumin-induced astrocyte senescence. Together, these results establish a link between TGFβ signaling activation and astrocyte senescence and suggest that prolonged exposure to serum albumin due to BBBD can trigger these phenotypic changes.
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Affiliation(s)
- Marcela K. Preininger
- Department of Integrative BiologyUniversity of California, BerkeleyBerkeleyCaliforniaUSA
- Department of Molecular and Cell BiologyUniversity of California, BerkeleyBerkeleyCaliforniaUSA
| | - Dasha Zaytseva
- Department of Integrative BiologyUniversity of California, BerkeleyBerkeleyCaliforniaUSA
- Department of BiologySan Francisco State UniversitySan FranciscoCaliforniaUSA
| | - Jessica May Lin
- Department of Integrative BiologyUniversity of California, BerkeleyBerkeleyCaliforniaUSA
| | - Daniela Kaufer
- Department of Integrative BiologyUniversity of California, BerkeleyBerkeleyCaliforniaUSA
- Helen Wills Neuroscience InstituteUniversity of California, BerkeleyBerkeleyCaliforniaUSA
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9
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杨 华, 张 益, 彭 鸥, 邹 炳. [Radiation-Induced Heart Disease: Current Status and Challenges]. SICHUAN DA XUE XUE BAO. YI XUE BAN = JOURNAL OF SICHUAN UNIVERSITY. MEDICAL SCIENCE EDITION 2022; 53:1127-1134. [PMID: 36443063 PMCID: PMC10408964 DOI: 10.12182/20221160302] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Received: 06/06/2022] [Indexed: 06/16/2023]
Abstract
Being one of the major therapeutic measures for malignant tumors, radiation therapy, or radiotherapy, plays a particularly crucial role in the multidisciplinary integrated treatment of thoracic tumors. With the development in radiotherapy technology, the research focus has shifted from improving the overall survival of malignant tumor patients to reducing the incidence of radiation-related injuries. Currently, radiation-induced heart disease (RIHD) has become one of the leading non-cancer causes of death in thoracic tumor patients who have undergone radiotherapy, seriously affecting their quality of life and clinical prognosis. In recent years, there has been growing understanding of the pathogenesis of RIHD, and proposals have been made for some potential measures for the prevention and treatment of RIHD. Based on the clinical manifestations and pathological changes of RIHD that have been reported, we herein reviewed the biological mechanism and potential treatment options for RIHD. We also discussed existing challenges in the prevention and treatment of RIHD, intending to provide references for the prevention and treatment of RIHD.
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Affiliation(s)
- 华菊 杨
- 四川大学华西医院 肿瘤放射治疗科 (成都 610041)Department of Radiotherapy, West China Hospital, Sichuan University, Chengdu 610041, China
| | - 益 张
- 四川大学华西医院 肿瘤放射治疗科 (成都 610041)Department of Radiotherapy, West China Hospital, Sichuan University, Chengdu 610041, China
| | - 鸥 彭
- 四川大学华西医院 肿瘤放射治疗科 (成都 610041)Department of Radiotherapy, West China Hospital, Sichuan University, Chengdu 610041, China
| | - 炳文 邹
- 四川大学华西医院 肿瘤放射治疗科 (成都 610041)Department of Radiotherapy, West China Hospital, Sichuan University, Chengdu 610041, China
- 四川大学华西医院 胸部肿瘤病房 (成都 610041)Department of Thoracic Oncology, West China Hospital, Sichuan University, Chengdu 610041, China
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10
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Perpinia AS, Kadoglou N, Vardaka M, Gkortzolidis G, Karavidas A, Marinakis T, Papachrysostomou C, Makaronis P, Vlachou C, Mantzourani M, Farmakis D, Konstantopoulos K. Pharmaceutical Prevention and Management of Cardiotoxicity in Hematological Malignancies. Pharmaceuticals (Basel) 2022; 15:ph15081007. [PMID: 36015155 PMCID: PMC9412591 DOI: 10.3390/ph15081007] [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: 06/14/2022] [Revised: 07/26/2022] [Accepted: 07/30/2022] [Indexed: 11/16/2022] Open
Abstract
Modern treatment modalities in hematology have improved clinical outcomes of patients with hematological malignancies. Nevertheless, many new or conventional anticancer drugs affect the cardiovascular system, resulting in various cardiac disorders, including left ventricular dysfunction, heart failure, arterial hypertension, myocardial ischemia, cardiac rhythm disturbances, and QTc prolongation on electrocardiograms. As these complications may jeopardize the significantly improved outcome of modern anticancer therapies, it is crucial to become familiar with all aspects of cardiotoxicity and provide appropriate care promptly to these patients. In addition, established and new drugs contribute to primary and secondary cardiovascular diseases prevention. This review focuses on the clinical manifestations, preventive strategies, and pharmaceutical management of cardiotoxicity in patients with hematologic malignancies undergoing anticancer drug therapy or hematopoietic stem cell transplantation.
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Affiliation(s)
| | | | - Maria Vardaka
- Department of Hematology, “G. Gennimatas” General Hospital, 11527 Athens, Greece
| | | | - Apostolos Karavidas
- Department of Cardiology, “G. Gennimatas” General Hospital, 11527 Athens, Greece
| | - Theodoros Marinakis
- Department of Hematology, “G. Gennimatas” General Hospital, 11527 Athens, Greece
| | | | - Panagiotis Makaronis
- Department of Cardiology, “G. Gennimatas” General Hospital, 11527 Athens, Greece
| | - Charikleia Vlachou
- Department of Hematology, “G. Gennimatas” General Hospital, 11527 Athens, Greece
| | - Marina Mantzourani
- First Department of Internal Medicine, Medical School, National and Kapodistrian University of Athens, “Laiko” General Hospital, 11527 Athens, Greece
| | | | - Konstantinos Konstantopoulos
- Department of Hematology, Medical School, National and Kapodistrian University of Athens, “Laiko” General Hospital, 11527 Athens, Greece
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11
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Walls GM, O'Kane R, Ghita M, Kuburas R, McGarry CK, Cole AJ, Jain S, Butterworth KT. Murine models of radiation cardiotoxicity: A systematic review and recommendations for future studies. Radiother Oncol 2022; 173:19-31. [PMID: 35533784 DOI: 10.1016/j.radonc.2022.04.030] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2021] [Revised: 04/13/2022] [Accepted: 04/29/2022] [Indexed: 12/11/2022]
Abstract
BACKGROUND AND PURPOSE The effects of radiation on the heart are dependent on dose, fractionation, overall treatment time, and pre-existing cardiovascular pathology. Murine models have played a central role in improving our understanding of the radiation response of the heart yet a wide range of exposure parameters have been used. We evaluated the study design of published murine cardiac irradiation experiments to assess gaps in the literature and to suggest guidance for the harmonisation of future study reporting. METHODS AND MATERIALS A systematic review of mouse/rat studies published 1981-2021 that examined the effect of radiation on the heart was performed. The protocol was published on PROSPERO (CRD42021238921) and the findings were reported in accordance with the PRISMA guidance. Risk of bias was assessed using the SYRCLE checklist. RESULTS 159 relevant full-text original articles were reviewed. The heart only was the target volume in 67% of the studies and simulation details were unavailable for 44% studies. Dosimetry methods were reported in 31% studies. The pulmonary effects of whole and partial heart irradiation were reported in 13% studies. Seventy-eight unique dose-fractionation schedules were evaluated. Large heterogeneity was observed in the endpoints measured, and the reporting standards were highly variable. CONCLUSIONS Current murine models of radiation cardiotoxicity cover a wide range of irradiation configurations and latency periods. There is a lack of evidence describing clinically relevant dose-fractionations, circulating biomarkers and radioprotectants. Recommendations for the consistent reporting of methods and results of in vivo cardiac irradiation studies are made to increase their suitability for informing the design of clinical studies.
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Affiliation(s)
- Gerard M Walls
- Patrick G Johnston Centre for Cancer Research, Queen's University Belfast, Lisburn Road, Belfast, Northern Ireland; Cancer Centre Belfast City Hospital, Belfast Health & Social Care Trust, Lisburn Road, Belfast, Northern Ireland.
| | - Reagan O'Kane
- Patrick G Johnston Centre for Cancer Research, Queen's University Belfast, Lisburn Road, Belfast, Northern Ireland
| | - Mihaela Ghita
- Patrick G Johnston Centre for Cancer Research, Queen's University Belfast, Lisburn Road, Belfast, Northern Ireland
| | - Refik Kuburas
- Patrick G Johnston Centre for Cancer Research, Queen's University Belfast, Lisburn Road, Belfast, Northern Ireland
| | - Conor K McGarry
- Patrick G Johnston Centre for Cancer Research, Queen's University Belfast, Lisburn Road, Belfast, Northern Ireland; Cancer Centre Belfast City Hospital, Belfast Health & Social Care Trust, Lisburn Road, Belfast, Northern Ireland
| | - Aidan J Cole
- Patrick G Johnston Centre for Cancer Research, Queen's University Belfast, Lisburn Road, Belfast, Northern Ireland; Cancer Centre Belfast City Hospital, Belfast Health & Social Care Trust, Lisburn Road, Belfast, Northern Ireland
| | - Suneil Jain
- Patrick G Johnston Centre for Cancer Research, Queen's University Belfast, Lisburn Road, Belfast, Northern Ireland; Cancer Centre Belfast City Hospital, Belfast Health & Social Care Trust, Lisburn Road, Belfast, Northern Ireland
| | - Karl T Butterworth
- Patrick G Johnston Centre for Cancer Research, Queen's University Belfast, Lisburn Road, Belfast, Northern Ireland
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12
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Ellahham S, Khalouf A, Elkhazendar M, Dababo N, Manla Y. An overview of radiation-induced heart disease. Radiat Oncol J 2022; 40:89-102. [PMID: 35796112 PMCID: PMC9262704 DOI: 10.3857/roj.2021.00766] [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: 08/10/2021] [Revised: 05/19/2022] [Accepted: 05/20/2022] [Indexed: 11/03/2022] Open
Abstract
Radiation therapy (RT) has dramatically improved cancer survival, leading to several inevitable complications. Unintentional irradiation of the heart can lead to radiation-induced heart disease (RIHD), including cardiomyopathy, pericarditis, coronary artery disease, valvular heart disease, and conduction system abnormalities. Furthermore, the development of RIHD is aggravated with the addition of chemotherapy. The screening, diagnosis, and follow-up for RIHD in patients who have undergone RT are described by the consensus guidelines from the European Association of Cardiovascular Imaging (EACVI) and the American Society of Echocardiography (ASE). There is compelling evidence that chest RT can increase the risk of heart disease. Although the prevalence and severity of RIHD are likely to be reduced with modern RT techniques, the incidence of RIHD is expected to rise in cancer survivors who have been treated with old RT regimens. However, there remains a gap between guidelines and clinical practice. Currently, therapeutic modalities followed in the treatment of RIHD are similar to the non-irradiated population. Preventive measures mainly reduce the radiation dose and radiation volume of the heart. There is no concrete evidence to endorse the preventive role of statins, angiotensin-converting enzyme inhibitors, and antioxidants. This review summarizes the current evidence of RIHD subtypes and risk factors and suggests screening regimens, diagnosis, treatment, and preventive approaches.
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Affiliation(s)
- Samer Ellahham
- Cleveland Clinic, Lyndhurst, OH, USA
- Heart & Vascular Institute, Cleveland Clinic Abu Dhabi, Abu Dhabi, UAE
| | - Amani Khalouf
- Emergency Medicine Institute, Cleveland Clinic Abu Dhabi, UAE
| | - Mohammed Elkhazendar
- Heart & Vascular Institute, Cleveland Clinic Abu Dhabi, Abu Dhabi, UAE
- Pathology & Laboratory Medicine Institute, Cleveland Clinic Abu Dhabi, Abu Dhabi, UAE
| | - Nour Dababo
- Pathology & Laboratory Medicine Institute, Cleveland Clinic Abu Dhabi, Abu Dhabi, UAE
| | - Yosef Manla
- Heart & Vascular Institute, Cleveland Clinic Abu Dhabi, Abu Dhabi, UAE
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13
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Aqeel M, Medhora M, Gore E, Borkenhagen J, Klawikowski S, Eastwood D, Banerjee A, Jacobs ER. Evaluation of Radiation-induced Pleural Effusions after Radiotherapy to Support Development of Animal Models of Radiation Pneumonitis. HEALTH PHYSICS 2021; 121:434-443. [PMID: 34546223 PMCID: PMC8500166 DOI: 10.1097/hp.0000000000001462] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
ABSTRACT Not all animal models develop radiation-induced pleural effusions (RIPEs) as a form of radiation-induced lung injury (RILI). Such effusions are also not well characterized in humans. The purpose of this study is to identify occurrences of RIPE in humans, provide justification for development of relevant animal models, and further characterize its risk factors in cancer patients. We also aim to identify dose thresholds for cardiopulmonary toxicity in humans to shed light on possible pathogenic mechanisms for RIPEs. We carried out a retrospective review of medical records of 96 cancer patients receiving thoracic irradiation (TRT) at our institution. Fifty-three (53%) patients developed a new pleural effusion post TRT; 18 (19%) had RIPE; and 67% developed RIPE ipsilateral to the site irradiated. None developed "contralateral only" effusions. Median time to development was 6 mo (IQR; 4-8 mo). Of 18, 8 patients (44%) had concomitant asymptomatic (radiographic only) or symptomatic radiation pneumonitis and pericardial effusion. Dosimetric factors, including combined and ipsilateral mean lung dose (MLD), were significantly associated with increased risk of RIPE. Angiotensin converting enzyme inhibition, steroids, or concurrent chemotherapy did not modify incidence of RIPE. Our results substantiate the occurrence and incidence of RIPEs in humans. In cancer patients, a median time to development of effusions around 6 mo also supports the onset of RIPEs concurrent with radiation pneumonitis. Future work needs to include large populations of cancer survivors in whom delayed RIPEs can be tracked and correlated with cardiovascular changes in the context of injury to multiple organs.
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Affiliation(s)
- Masooma Aqeel
- Current Affiliation: Section of Pulmonary & Critical
Care Medicine, Department of Medicine, Aga Khan University, Karachi, Pakistan.
Formerly at Division of Pulmonary Medicine, Department of Medicine, Froedtert
Hospital & Medical College of Wisconsin, Milwaukee, WI, United States
| | - Meetha Medhora
- Division of Pulmonary Medicine, Department of Medicine,
Froedtert Hospital & Medical College of Wisconsin, Milwaukee, WI, United
States
- Department of Radiation Oncology, Froedtert Hospital &
Medical College of Wisconsin, Milwaukee, WI, United States
- Research Service, Department of Veteran’s Affairs,
Clement J. Zablocki VA Medical Center, Milwaukee, WI, United States
| | - Elizabeth Gore
- Department of Radiation Oncology, Froedtert Hospital &
Medical College of Wisconsin, Milwaukee, WI, United States
- Research Service, Department of Veteran’s Affairs,
Clement J. Zablocki VA Medical Center, Milwaukee, WI, United States
| | - Jenna Borkenhagen
- Department of Radiation Oncology, Froedtert Hospital &
Medical College of Wisconsin, Milwaukee, WI, United States
| | - Slade Klawikowski
- Department of Radiation Oncology, Froedtert Hospital &
Medical College of Wisconsin, Milwaukee, WI, United States
| | - Daniel Eastwood
- Department of Biostatistics, Medical College of Wisconsin,
Milwaukee, WI, United States
| | - Anjishnu Banerjee
- Department of Biostatistics, Medical College of Wisconsin,
Milwaukee, WI, United States
| | - Elizabeth R. Jacobs
- Division of Pulmonary Medicine, Department of Medicine,
Froedtert Hospital & Medical College of Wisconsin, Milwaukee, WI, United
States
- Research Service, Department of Veteran’s Affairs,
Clement J. Zablocki VA Medical Center, Milwaukee, WI, United States
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14
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Cassatt DR, Gorovets A, Karimi-Shah B, Roberts R, Price PW, Satyamitra MM, Todd N, Wang SJ, Marzella L. A Trans-Agency Workshop on the Pathophysiology of Radiation-Induced Lung Injury. Radiat Res 2021; 197:415-433. [PMID: 34342637 DOI: 10.1667/rade-21-00127.1] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2021] [Accepted: 07/21/2021] [Indexed: 12/15/2022]
Abstract
Research and development of medical countermeasures (MCMs) for radiation-induced lung injury relies on the availability of animal models with well-characterized pathophysiology, allowing effective bridging to humans. To develop useful animal models, it is important to understand the clinical condition, advantages and limitations of individual models, and how to properly apply these models to demonstrate MCM efficacy. On March 20, 2019, a meeting sponsored by the Radiation and Nuclear Countermeasures Program (RNCP) within the National Institute of Allergy and Infectious Diseases (NIAID) brought together medical, scientific and regulatory communities, including academic and industry subject matter experts, and government stakeholders from the Food and Drug Administration (FDA) and the Biomedical Advanced Research and Development Authority (BARDA), to identify critical research gaps, discuss current clinical practices for various forms of pulmonary damage, and consider available animal models for radiation-induced lung injury.
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Affiliation(s)
- David R Cassatt
- Radiation and Nuclear Countermeasures Program (RNCP), National Institutes of Health (NIH), Rockville, Maryland
| | - Alex Gorovets
- Center for Drug Evaluation and Research (CDER), Food and Drug Administration (FDA), Silver Spring, Maryland
| | - Banu Karimi-Shah
- Center for Drug Evaluation and Research (CDER), Food and Drug Administration (FDA), Silver Spring, Maryland
| | - Rosemary Roberts
- Center for Drug Evaluation and Research (CDER), Food and Drug Administration (FDA), Silver Spring, Maryland
| | - Paul W Price
- Office of Regulatory Affairs, Division of Allergy, Immunology and Transplantation (DAIT), National Institute of Allergy and Infectious Diseases (NIAID), National Institutes of Health (NIH), Rockville, Maryland
| | - Merriline M Satyamitra
- Radiation and Nuclear Countermeasures Program (RNCP), National Institutes of Health (NIH), Rockville, Maryland
| | - Nushin Todd
- Center for Drug Evaluation and Research (CDER), Food and Drug Administration (FDA), Silver Spring, Maryland
| | - Sue-Jane Wang
- Center for Drug Evaluation and Research (CDER), Food and Drug Administration (FDA), Silver Spring, Maryland
| | - Libero Marzella
- Center for Drug Evaluation and Research (CDER), Food and Drug Administration (FDA), Silver Spring, Maryland
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15
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Rabender CS, Mezzaroma E, Yakovlev VA, Mauro AG, Bonaventura A, Abbate A, Mikkelsen RB. Mitigation of Radiation-Induced Lung and Heart Injuries in Mice by Oral Sepiapterin after Irradiation. Radiat Res 2021; 195:463-473. [PMID: 33822229 DOI: 10.1667/rade-20-00249.1] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2020] [Accepted: 02/21/2021] [Indexed: 01/12/2023]
Abstract
After radiation exposure, endothelium-dependent vasorelaxation is impaired due to impaired nitric oxide production. Endothelial dysfunction is characterized by uncoupled endothelial nitric oxide synthase activity, oxidation of the reduced cofactor tetrahydrobiopterin to dihydrobiopterin as one well recognized mechanism. Oral treatment with sepiapterin, a tetrahydrobiopterin precursor, decreased infiltrating inflammatory cells and cytokine levels in mice with colitis. We therefore tested whether a synthetic sepiapterin, PTC923, might mitigate radiation-induced cardiac and pulmonary injuries. C57L/J wild-type 6-8-week-old mice of both sexes received 5 Gy total-body irradiation (TBI), followed by a top-up dose of 6.5 Gy to the thorax (total thoracic dose of 11.5 Gy). Starting from 24 h postirradiation, mice were treated once daily with 1 mg/kg PTC923 for six days by oral gavage. Assessment of lung injury by breathing rate was measured every other week and echocardiography to assess heart function was performed at different time points (8, 30, 60, 90 and 180 days). Plasma proteins (fibrinogen, neutrophil elastase, C-reactive protein, and IL-6) were assessed as well. TBI induced a reduction in cardiac contractile reserve and an impairment in diastolic function restored by daily oral PTC923. Postirradiation lung injury was significantly delayed by PTC923. TBI mice treated with PTC923 experienced a longer survival compared to nonirradiated mice (71% vs. 40% of mice alive after 180 days). PTC923-treated mice showed a reduction in inflammatory mediators, especially IL-6 and IL-1b. In conclusion, these findings support the proposal that PTC923 is a potential mitigator of cardiac and lung injury caused by TBI.
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Affiliation(s)
- Christopher S Rabender
- Department of Radiation Oncology, Division of Cardiology, Pauley Heart Center, Virginia Commonwealth University, Richmond, Virginia
| | - Eleonora Mezzaroma
- Department of Pharmacotherapy and Outcomes Science, School of Pharmacy, Division of Cardiology, Pauley Heart Center, Virginia Commonwealth University, Richmond, Virginia
| | - Vasily A Yakovlev
- Department of Radiation Oncology, Division of Cardiology, Pauley Heart Center, Virginia Commonwealth University, Richmond, Virginia
| | - Adolfo G Mauro
- Internal Medicine, Division of Cardiology, Pauley Heart Center, Virginia Commonwealth University, Richmond, Virginia
| | - Aldo Bonaventura
- Internal Medicine, Division of Cardiology, Pauley Heart Center, Virginia Commonwealth University, Richmond, Virginia
| | - Antonio Abbate
- Internal Medicine, Division of Cardiology, Pauley Heart Center, Virginia Commonwealth University, Richmond, Virginia
| | - Ross B Mikkelsen
- Department of Radiation Oncology, Division of Cardiology, Pauley Heart Center, Virginia Commonwealth University, Richmond, Virginia
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16
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Pathomechanisms and therapeutic opportunities in radiation-induced heart disease: from bench to bedside. Clin Res Cardiol 2021; 110:507-531. [PMID: 33591377 PMCID: PMC8055626 DOI: 10.1007/s00392-021-01809-y] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/29/2020] [Accepted: 01/16/2021] [Indexed: 12/14/2022]
Abstract
Cancer management has undergone significant improvements, which led to increased long-term survival rates among cancer patients. Radiotherapy (RT) has an important role in the treatment of thoracic tumors, including breast, lung, and esophageal cancer, or Hodgkin's lymphoma. RT aims to kill tumor cells; however, it may have deleterious side effects on the surrounding normal tissues. The syndrome of unwanted cardiovascular adverse effects of thoracic RT is termed radiation-induced heart disease (RIHD), and the risk of developing RIHD is a critical concern in current oncology practice. Premature ischemic heart disease, cardiomyopathy, heart failure, valve abnormalities, and electrical conduct defects are common forms of RIHD. The underlying mechanisms of RIHD are still not entirely clear, and specific therapeutic interventions are missing. In this review, we focus on the molecular pathomechanisms of acute and chronic RIHD and propose preventive measures and possible pharmacological strategies to minimize the burden of RIHD.
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17
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Rios CI, Cassatt DR, Hollingsworth BA, Satyamitra MM, Tadesse YS, Taliaferro LP, Winters TA, DiCarlo AL. Commonalities Between COVID-19 and Radiation Injury. Radiat Res 2021; 195:1-24. [PMID: 33064832 PMCID: PMC7861125 DOI: 10.1667/rade-20-00188.1] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2020] [Accepted: 09/14/2020] [Indexed: 01/08/2023]
Abstract
As the multi-systemic components of COVID-19 emerge, parallel etiologies can be drawn between SARS-CoV-2 infection and radiation injuries. While some SARS-CoV-2-infected individuals present as asymptomatic, others exhibit mild symptoms that may include fever, cough, chills, and unusual symptoms like loss of taste and smell and reddening in the extremities (e.g., "COVID toes," suggestive of microvessel damage). Still others alarm healthcare providers with extreme and rapid onset of high-risk indicators of mortality that include acute respiratory distress syndrome (ARDS), multi-organ hypercoagulation, hypoxia and cardiovascular damage. Researchers are quickly refocusing their science to address this enigmatic virus that seems to unveil itself in new ways without discrimination. As investigators begin to identify early markers of disease, identification of common threads with other pathologies may provide some clues. Interestingly, years of research in the field of radiation biology documents the complex multiorgan nature of another disease state that occurs after exposure to high doses of radiation: the acute radiation syndrome (ARS). Inflammation is a key common player in COVID-19 and ARS, and drives the multi-system damage that dramatically alters biological homeostasis. Both conditions initiate a cytokine storm, with similar pro-inflammatory molecules increased and other anti-inflammatory molecules decreased. These changes manifest in a variety of ways, with a demonstrably higher health impact in patients having underlying medical conditions. The potentially dramatic human impact of ARS has guided the science that has identified many biomarkers of radiation exposure, established medical management strategies for ARS, and led to the development of medical countermeasures for use in the event of a radiation public health emergency. These efforts can now be leveraged to help elucidate mechanisms of action of COVID-19 injuries. Furthermore, this intersection between COVID-19 and ARS may point to approaches that could accelerate the discovery of treatments for both.
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Affiliation(s)
- Carmen I. Rios
- Radiation and Nuclear Countermeasures Program (RNCP), Division of Allergy, Immunology and Transplantation (DAIT), National Institute of Allergy and Infectious Diseases (NIAID), National Institutes of Health (NIH), Rockville, Maryland
| | - David R. Cassatt
- Radiation and Nuclear Countermeasures Program (RNCP), Division of Allergy, Immunology and Transplantation (DAIT), National Institute of Allergy and Infectious Diseases (NIAID), National Institutes of Health (NIH), Rockville, Maryland
| | - Brynn A. Hollingsworth
- Radiation and Nuclear Countermeasures Program (RNCP), Division of Allergy, Immunology and Transplantation (DAIT), National Institute of Allergy and Infectious Diseases (NIAID), National Institutes of Health (NIH), Rockville, Maryland
| | - Merriline M. Satyamitra
- Radiation and Nuclear Countermeasures Program (RNCP), Division of Allergy, Immunology and Transplantation (DAIT), National Institute of Allergy and Infectious Diseases (NIAID), National Institutes of Health (NIH), Rockville, Maryland
| | - Yeabsera S. Tadesse
- Radiation and Nuclear Countermeasures Program (RNCP), Division of Allergy, Immunology and Transplantation (DAIT), National Institute of Allergy and Infectious Diseases (NIAID), National Institutes of Health (NIH), Rockville, Maryland
| | - Lanyn P. Taliaferro
- Radiation and Nuclear Countermeasures Program (RNCP), Division of Allergy, Immunology and Transplantation (DAIT), National Institute of Allergy and Infectious Diseases (NIAID), National Institutes of Health (NIH), Rockville, Maryland
| | - Thomas A. Winters
- Radiation and Nuclear Countermeasures Program (RNCP), Division of Allergy, Immunology and Transplantation (DAIT), National Institute of Allergy and Infectious Diseases (NIAID), National Institutes of Health (NIH), Rockville, Maryland
| | - Andrea L. DiCarlo
- Radiation and Nuclear Countermeasures Program (RNCP), Division of Allergy, Immunology and Transplantation (DAIT), National Institute of Allergy and Infectious Diseases (NIAID), National Institutes of Health (NIH), Rockville, Maryland
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18
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Senatorov VV, Friedman AR, Milikovsky DZ, Ofer J, Saar-Ashkenazy R, Charbash A, Jahan N, Chin G, Mihaly E, Lin JM, Ramsay HJ, Moghbel A, Preininger MK, Eddings CR, Harrison HV, Patel R, Shen Y, Ghanim H, Sheng H, Veksler R, Sudmant PH, Becker A, Hart B, Rogawski MA, Dillin A, Friedman A, Kaufer D. Blood-brain barrier dysfunction in aging induces hyperactivation of TGFβ signaling and chronic yet reversible neural dysfunction. Sci Transl Med 2020; 11:11/521/eaaw8283. [PMID: 31801886 DOI: 10.1126/scitranslmed.aaw8283] [Citation(s) in RCA: 146] [Impact Index Per Article: 36.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2019] [Revised: 07/15/2019] [Accepted: 11/07/2019] [Indexed: 12/16/2022]
Abstract
Aging involves a decline in neural function that contributes to cognitive impairment and disease. However, the mechanisms underlying the transition from a young-and-healthy to aged-and-dysfunctional brain are not well understood. Here, we report breakdown of the vascular blood-brain barrier (BBB) in aging humans and rodents, which begins as early as middle age and progresses to the end of the life span. Gain-of-function and loss-of-function manipulations show that this BBB dysfunction triggers hyperactivation of transforming growth factor-β (TGFβ) signaling in astrocytes, which is necessary and sufficient to cause neural dysfunction and age-related pathology in rodents. Specifically, infusion of the serum protein albumin into the young rodent brain (mimicking BBB leakiness) induced astrocytic TGFβ signaling and an aged brain phenotype including aberrant electrocorticographic activity, vulnerability to seizures, and cognitive impairment. Furthermore, conditional genetic knockdown of astrocytic TGFβ receptors or pharmacological inhibition of TGFβ signaling reversed these symptomatic outcomes in aged mice. Last, we found that this same signaling pathway is activated in aging human subjects with BBB dysfunction. Our study identifies dysfunction in the neurovascular unit as one of the earliest triggers of neurological aging and demonstrates that the aging brain may retain considerable latent capacity, which can be revitalized by therapeutic inhibition of TGFβ signaling.
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Affiliation(s)
- Vladimir V Senatorov
- Helen Wills Neuroscience Institute and Berkeley Stem Cell Center, University of California, Berkeley, Berkeley, CA 94720, USA.,Department of Integrative Biology, University of California, Berkeley, Berkeley, CA 94720, USA
| | - Aaron R Friedman
- Helen Wills Neuroscience Institute and Berkeley Stem Cell Center, University of California, Berkeley, Berkeley, CA 94720, USA.,Department of Integrative Biology, University of California, Berkeley, Berkeley, CA 94720, USA
| | - Dan Z Milikovsky
- Departments of Physiology and Cell Biology, Cognitive and Brain Sciences, Zlotowski Center for Neuroscience, Ben-Gurion University of the Negev, Beer-Sheva 84105, Israel
| | - Jonathan Ofer
- Departments of Physiology and Cell Biology, Cognitive and Brain Sciences, Zlotowski Center for Neuroscience, Ben-Gurion University of the Negev, Beer-Sheva 84105, Israel
| | - Rotem Saar-Ashkenazy
- Departments of Physiology and Cell Biology, Cognitive and Brain Sciences, Zlotowski Center for Neuroscience, Ben-Gurion University of the Negev, Beer-Sheva 84105, Israel
| | - Adiel Charbash
- Departments of Physiology and Cell Biology, Cognitive and Brain Sciences, Zlotowski Center for Neuroscience, Ben-Gurion University of the Negev, Beer-Sheva 84105, Israel
| | - Naznin Jahan
- Department of Integrative Biology, University of California, Berkeley, Berkeley, CA 94720, USA.,Department of Molecular and Cell Biology, University of California, Berkeley, Berkeley, CA 94720, USA
| | - Gregory Chin
- Department of Molecular and Cell Biology, University of California, Berkeley, Berkeley, CA 94720, USA
| | - Eszter Mihaly
- Department of Bioengineering, University of California, Berkeley, Berkeley, CA 94720, USA
| | - Jessica M Lin
- Department of Integrative Biology, University of California, Berkeley, Berkeley, CA 94720, USA
| | - Harrison J Ramsay
- Department of Integrative Biology, University of California, Berkeley, Berkeley, CA 94720, USA
| | - Ariana Moghbel
- Department of Molecular and Cell Biology, University of California, Berkeley, Berkeley, CA 94720, USA
| | - Marcela K Preininger
- Department of Molecular and Cell Biology, University of California, Berkeley, Berkeley, CA 94720, USA
| | - Chelsy R Eddings
- Department of Molecular and Cell Biology, University of California, Berkeley, Berkeley, CA 94720, USA
| | - Helen V Harrison
- School of Public Health, University of California, Berkeley, Berkeley, CA 94720, USA
| | - Rishi Patel
- Department of Molecular and Cell Biology, University of California, Berkeley, Berkeley, CA 94720, USA
| | - Yishuo Shen
- Department of Molecular and Cell Biology, University of California, Berkeley, Berkeley, CA 94720, USA
| | - Hana Ghanim
- Department of Molecular and Cell Biology, University of California, Berkeley, Berkeley, CA 94720, USA
| | - Huanjie Sheng
- Department of Integrative Biology, University of California, Berkeley, Berkeley, CA 94720, USA
| | - Ronel Veksler
- Departments of Physiology and Cell Biology, Cognitive and Brain Sciences, Zlotowski Center for Neuroscience, Ben-Gurion University of the Negev, Beer-Sheva 84105, Israel
| | - Peter H Sudmant
- Department of Integrative Biology, University of California, Berkeley, Berkeley, CA 94720, USA
| | - Albert Becker
- Section for Translational Epilepsy Research, Department of Neuropathology, University of Bonn Medical Center, Bonn, Germany
| | - Barry Hart
- Innovation Pathways, Palo Alto, CA 94301, USA
| | - Michael A Rogawski
- Department of Neurology, School of Medicine, University of California, Davis, Sacramento, CA 95817, USA
| | - Andrew Dillin
- Glenn Center for Aging Research, Howard Hughes Medical Institute, Department of Molecular and Cell Biology, University of California, Berkeley, Berkeley, CA 94720, USA
| | - Alon Friedman
- Departments of Physiology and Cell Biology, Cognitive and Brain Sciences, Zlotowski Center for Neuroscience, Ben-Gurion University of the Negev, Beer-Sheva 84105, Israel.,Department of Medical Neuroscience and Brain Repair Center, Dalhousie University, Halifax, NS B3H4R2, Canada
| | - Daniela Kaufer
- Helen Wills Neuroscience Institute and Berkeley Stem Cell Center, University of California, Berkeley, Berkeley, CA 94720, USA. .,Department of Integrative Biology, University of California, Berkeley, Berkeley, CA 94720, USA.,Canadian Institute for Advanced Research, Toronto, ON M5G1M1, Canada
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19
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Zheng Z, Zhao Q, Wei J, Wang B, Wang H, Meng L, Xin Y, Jiang X. Medical prevention and treatment of radiation-induced carotid injury. Biomed Pharmacother 2020; 131:110664. [PMID: 32861067 DOI: 10.1016/j.biopha.2020.110664] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2020] [Revised: 08/06/2020] [Accepted: 08/20/2020] [Indexed: 11/30/2022] Open
Abstract
Radiotherapy has significantly improved the survival of cancer patients but is also associated with several adversities, including radiation-induced carotid injury (RICI). The RICI mechanisms are complex, including vessel inflammatory injury, carotid atherosclerosis, intimal proliferation, media necrosis, and peri-adventitial fibrosis. The main manifestation and adverse consequence of RICI is carotid artery stenosis (CAS), which can lead to stroke and transient ischemic attack. Currently, carotid artery injury is primarily diagnosed via color-coded duplex sonography. Early detection of traumatic changes in the carotid artery depends on measurements of carotid intima-media thickness; serum biomarker testing also shows great potential. CAS is mainly treated with carotid endarterectomy or carotid angioplasty and stent implantation. Notably, bone marrow mesenchymal stem cells are advantageous in RICI treatment and reduce carotid inflammation, oxidative stress, and delaying atherosclerosis. This review summarizes the mechanisms, examination methods, and latest treatments for RICI to provide data for its clinical prevention and treatment.
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Affiliation(s)
- Zhuangzhuang Zheng
- Department of Radiation Oncology, The First Hospital of Jilin University, Changchun, 130021, China; Jilin Provincial Key Laboratory of Radiation Oncology & Therapy, The First Hospital of Jilin University, Changchun, 130021, China; NHC Key Laboratory of Radiobiology, School of Public Health, Jilin University, Changchun, 130021, China.
| | - Qin Zhao
- Department of Radiation Oncology, The First Hospital of Jilin University, Changchun, 130021, China; Jilin Provincial Key Laboratory of Radiation Oncology & Therapy, The First Hospital of Jilin University, Changchun, 130021, China; NHC Key Laboratory of Radiobiology, School of Public Health, Jilin University, Changchun, 130021, China.
| | - Jinlong Wei
- Department of Radiation Oncology, The First Hospital of Jilin University, Changchun, 130021, China; Jilin Provincial Key Laboratory of Radiation Oncology & Therapy, The First Hospital of Jilin University, Changchun, 130021, China; NHC Key Laboratory of Radiobiology, School of Public Health, Jilin University, Changchun, 130021, China.
| | - Bin Wang
- Department of Radiation Oncology, The First Hospital of Jilin University, Changchun, 130021, China; Jilin Provincial Key Laboratory of Radiation Oncology & Therapy, The First Hospital of Jilin University, Changchun, 130021, China; NHC Key Laboratory of Radiobiology, School of Public Health, Jilin University, Changchun, 130021, China.
| | - Huanhuan Wang
- Department of Radiation Oncology, The First Hospital of Jilin University, Changchun, 130021, China; Jilin Provincial Key Laboratory of Radiation Oncology & Therapy, The First Hospital of Jilin University, Changchun, 130021, China; NHC Key Laboratory of Radiobiology, School of Public Health, Jilin University, Changchun, 130021, China.
| | - Lingbin Meng
- Department of Hematology and Medical Oncology, Moffitt Cancer Center, Tampa, FL, 33612, USA.
| | - Ying Xin
- Key Laboratory of Pathobiology, Ministry of Education, Jilin University, Changchun, 130021, China.
| | - Xin Jiang
- Department of Radiation Oncology, The First Hospital of Jilin University, Changchun, 130021, China; Jilin Provincial Key Laboratory of Radiation Oncology & Therapy, The First Hospital of Jilin University, Changchun, 130021, China; NHC Key Laboratory of Radiobiology, School of Public Health, Jilin University, Changchun, 130021, China.
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20
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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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21
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Wang B, Wang H, Zhang M, Ji R, Wei J, Xin Y, Jiang X. Radiation-induced myocardial fibrosis: Mechanisms underlying its pathogenesis and therapeutic strategies. J Cell Mol Med 2020; 24:7717-7729. [PMID: 32536032 PMCID: PMC7348163 DOI: 10.1111/jcmm.15479] [Citation(s) in RCA: 43] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2020] [Revised: 04/18/2020] [Accepted: 05/24/2020] [Indexed: 12/24/2022] Open
Abstract
Radiation-induced myocardial fibrosis (RIMF) is a potentially lethal clinical complication of chest radiotherapy (RT) and a final stage of radiation-induced heart disease (RIHD). RIMF is characterized by decreased ventricular elasticity and distensibility, which can result in decreased ejection fraction, heart failure and even sudden cardiac death. Together, these conditions impair the long-term health of post-RT survivors and limit the dose and intensity of RT required to effectively kill tumour cells. Although the exact mechanisms involving in RIMF are unclear, increasing evidence indicates that the occurrence of RIMF is related to various cells, regulatory molecules and cytokines. However, accurately diagnosing and identifying patients who may progress to RIMF has been challenging. Despite the urgent need for an effective treatment, there is currently no medical therapy for RIMF approved for routine clinical application. In this review, we investigated the underlying pathophysiology involved in the initiation and progression of RIMF before outlining potential preventative and therapeutic strategies to counter this toxicity.
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Affiliation(s)
- Bin Wang
- Department of Radiation OncologyThe First Hospital of Jilin UniversityChangchunChina
- Jilin Provincial Key Laboratory of Radiation Oncology & TherapyThe First Hospital of Jilin UniversityChangchunChina
- NHC Key Laboratory of RadiobiologySchool of Public HealthJilin UniversityChangchunChina
| | - Huanhuan Wang
- Department of Radiation OncologyThe First Hospital of Jilin UniversityChangchunChina
- Jilin Provincial Key Laboratory of Radiation Oncology & TherapyThe First Hospital of Jilin UniversityChangchunChina
- NHC Key Laboratory of RadiobiologySchool of Public HealthJilin UniversityChangchunChina
| | - Mengmeng Zhang
- Phase I Clinical Research CenterThe First Hospital of Jilin UniversityChangchunChina
| | - Rui Ji
- Department of BiologyValencia CollegeOrlandoFLUSA
| | - Jinlong Wei
- Department of Radiation OncologyThe First Hospital of Jilin UniversityChangchunChina
| | - Ying Xin
- Key Laboratory of PathobiologyMinistry of EducationJilin UniversityChangchunChina
| | - Xin Jiang
- Department of Radiation OncologyThe First Hospital of Jilin UniversityChangchunChina
- Jilin Provincial Key Laboratory of Radiation Oncology & TherapyThe First Hospital of Jilin UniversityChangchunChina
- NHC Key Laboratory of RadiobiologySchool of Public HealthJilin UniversityChangchunChina
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22
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Zou B, Schuster JP, Niu K, Huang Q, Rühle A, Huber PE. Radiotherapy-induced heart disease: a review of the literature. PRECISION CLINICAL MEDICINE 2019; 2:270-282. [PMID: 35693876 PMCID: PMC8985808 DOI: 10.1093/pcmedi/pbz025] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2019] [Revised: 11/25/2019] [Accepted: 11/25/2019] [Indexed: 11/20/2022] Open
Abstract
Radiotherapy as one of the four pillars of cancer therapy plays a critical role in the multimodal treatment of thoracic cancers. Due to significant improvements in overall cancer survival, radiotherapy-induced heart disease (RIHD) has become an increasingly recognized adverse reaction which contributes to major radiation-associated toxicities including non-malignant death. This is especially relevant for patients suffering from diseases with excellent prognosis such as breast cancer or Hodgkin’s lymphoma, since RIHD may occur decades after radiotherapy. Preclinical studies have enriched our knowledge of many potential mechanisms by which thoracic radiotherapy induces heart injury. Epidemiological findings in humans reveal that irradiation might increase the risk of cardiac disease at even lower doses than previously assumed. Recent preclinical studies have identified non-invasive methods for evaluation of RIHD. Furthermore, potential options preventing or at least attenuating RIHD have been developed. Ongoing research may enrich our limited knowledge about biological mechanisms of RIHD, identify non-invasive early detection biomarkers and investigate potential treatment options that might attenuate or prevent these unwanted side effects. Here, we present a comprehensive review about the published literature regarding clinical manifestation and pathological alterations in RIHD. Biological mechanisms and treatment options are outlined, and challenges in RIHD treatment are summarized.
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Affiliation(s)
- Bingwen Zou
- Department of Radiation Oncology, Heidelberg University Hospital, Im Neuenheimer Feld 400, Heidelberg 69120, Germany
- Department of Molecular Radiation Oncology, German Cancer Research Center, Im Neuenheimer Feld 280, Heidelberg 69120, Germany
| | - Julius Philipp Schuster
- Department of Radiation Oncology, Heidelberg University Hospital, Im Neuenheimer Feld 400, Heidelberg 69120, Germany
- Department of Molecular Radiation Oncology, German Cancer Research Center, Im Neuenheimer Feld 280, Heidelberg 69120, Germany
| | - Kerun Niu
- Department of Molecular Radiation Oncology, German Cancer Research Center, Im Neuenheimer Feld 280, Heidelberg 69120, Germany
| | - Qianyi Huang
- Department of Molecular Radiation Oncology, German Cancer Research Center, Im Neuenheimer Feld 280, Heidelberg 69120, Germany
| | - Alexander Rühle
- Department of Radiation Oncology, Heidelberg University Hospital, Im Neuenheimer Feld 400, Heidelberg 69120, Germany
- Department of Molecular Radiation Oncology, German Cancer Research Center, Im Neuenheimer Feld 280, Heidelberg 69120, Germany
- Heidelberg Institute for Radiation Oncology (HIRO) and National Center for Radiation Oncology (NCRO), Im Neuenheimer Feld 280, Heidelberg 69120, Germany
| | - Peter Ernst Huber
- Department of Radiation Oncology, Heidelberg University Hospital, Im Neuenheimer Feld 400, Heidelberg 69120, Germany
- Department of Molecular Radiation Oncology, German Cancer Research Center, Im Neuenheimer Feld 280, Heidelberg 69120, Germany
- Heidelberg Institute for Radiation Oncology (HIRO) and National Center for Radiation Oncology (NCRO), Im Neuenheimer Feld 280, Heidelberg 69120, Germany
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23
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Wang H, Wei J, Zheng Q, Meng L, Xin Y, Yin X, Jiang X. Radiation-induced heart disease: a review of classification, mechanism and prevention. Int J Biol Sci 2019; 15:2128-2138. [PMID: 31592122 PMCID: PMC6775290 DOI: 10.7150/ijbs.35460] [Citation(s) in RCA: 116] [Impact Index Per Article: 23.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2019] [Accepted: 06/19/2019] [Indexed: 12/13/2022] Open
Abstract
With the increasing incidence of thoracic tumors, radiation therapy (RT) has become an important component of comprehensive treatment. RT improves survival in many cancers, but it involves some inevitable complications. Radiation-induced heart disease (RIHD) is one of the most serious complications. RIHD comprises a spectrum of heart disease including cardiomyopathy, pericarditis, coronary artery disease, valvular heart disease and conduction system abnormalities. There are numerous clinical manifestations of RIHD, such as chest pain, palpitation, and dyspnea, even without obvious symptoms. Based on previous studies, the pathogenesis of RIHD is related to the production and effects of various cytokines caused by endothelial injury, inflammatory response, and oxidative stress (OS). Therefore, it is of great importance for clinicians to identify the mechanism and propose interventions for the prevention of RIHD.
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Affiliation(s)
- Heru Wang
- Department of Radiation Oncology, The First Hospital of Jilin University, Changchun, 130021, China.,Department of Cardiology, The First Hospital of Jilin University, Changchun, 130021, China
| | - Jinlong Wei
- Department of Radiation Oncology, The First Hospital of Jilin University, Changchun, 130021, China
| | - Qingshuang Zheng
- Department of Cardiology, The First Hospital of Jilin University, Changchun, 130021, China
| | - Lingbin Meng
- Department of Internal Medicine, Florida Hospital, Orlando, FL 32804,USA
| | - Ying Xin
- Key Laboratory of Pathobiology, Ministry of Education, Jilin University, Changchun 130021, China
| | - Xia Yin
- Department of Cardiology, The First Hospital of Jilin University, Changchun, 130021, China
| | - Xin Jiang
- Department of Radiation Oncology, The First Hospital of Jilin University, Changchun, 130021, China
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24
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Ma CX, Zhao XK, Li YD. New therapeutic insights into radiation-induced myocardial fibrosis. Ther Adv Chronic Dis 2019; 10:2040622319868383. [PMID: 31448071 PMCID: PMC6689916 DOI: 10.1177/2040622319868383] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2019] [Accepted: 07/17/2019] [Indexed: 12/13/2022] Open
Abstract
Radiation therapy (RT) for the treatment of thoracic tumors causes radiation-induced heart disease (RIHD). Radiation-induced myocardial fibrosis (RIMF) is both an acute and chronic stage of RIHD, depending on the specific pathology, and is thought to be a major risk factor for adverse myocardial remodeling and vascular changes. With the use of more three-dimensional conformal radiation regimens and early screenings and diagnoses for RIMF, the incidence of RIHD is declining, but it still must be carefully investigated to minimize the mortality and morbidity of patients with thoracic malignancies after RT treatment. Effective methods for preventing RIMF involve a decrease in the direct radiation dose in the heart, and early screening and diagnosis. Medications remain as a useful adjunct for preventing or treating RIMF. This review mainly discusses the cellular and molecular mechanisms underlying RIMF, and new therapeutic drugs that can potentially be developed from this knowledge.
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Affiliation(s)
- Cheng-Xu Ma
- Gansu University of Chinese Medicine, Lanzhou, PR China
| | - Xin-Ke Zhao
- Department of Interventional Section, Affiliated Hospital of Gansu University of Chinese Medicine, Lanzhou, PR China
| | - Ying-Dong Li
- Gansu University of Chinese Medicine, Lanzhou, 730000, PR China
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25
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Groves AM, Williams JP. Saving normal tissues - a goal for the ages. Int J Radiat Biol 2019; 95:920-935. [PMID: 30822213 PMCID: PMC7183326 DOI: 10.1080/09553002.2019.1589654] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2019] [Revised: 02/18/2019] [Accepted: 02/26/2019] [Indexed: 02/08/2023]
Abstract
Almost since the earliest utilization of ionizing radiation, many within the radiation community have worked toward either preventing (i.e. protecting) normal tissues from unwanted radiation injury or rescuing them from the downstream consequences of exposure. However, despite over a century of such investigations, only incremental gains have been made toward this goal and, with certainty, no outright panacea having been found. In celebration of the 60th anniversary of the International Journal of Radiation Biology and to chronicle the efforts that have been made to date, we undertook a non-rigorous survey of the articles published by normal tissue researchers in this area, using those that have appeared in the aforementioned journal as a road map. Three 'snapshots' of publications on normal tissue countermeasures were taken: the earliest (1959-1963) and most recent (2013-2018) 5-year of issues, as well as a 5-year intermediate span (1987-1991). Limiting the survey solely to articles appearing within International Journal of Radiation Biology likely reduced the number of translational studies interrogated given the basic science tenor of this particular publication. In addition, by taking 'snapshots' rather than considering the entire breadth of the journal's history in this field, important papers that were published during the interim periods were omitted, for which we apologize. Nonetheless, since the journal's inception, we observed that, during the chosen periods, the majority of studies undertaken in the field of normal tissue countermeasures, whether investigating radiation protectants, mitigators or treatments, have focused on agents that interfere with the physical, chemical and/or biological effects known to occur during the acute period following whole body/high single dose exposures. This relatively narrow approach to the reduction of normal tissue effects, especially those that can take months, if not years, to develop, seems to contradict our growing understanding of the progressive complexities of the microenvironmental disruption that follows the initial radiation injury. Given the analytical tools now at our disposal and the enormous benefits that may be reaped in terms of improving patient outcomes, as well as the potential for offering countermeasures to those affected by accidental or mass casualty exposures, it appears time to broaden our approaches to developing normal tissue countermeasures. We have no doubt that the contributors and readership of the International Journal of Radiation Biology will continue to contribute to this effort for the foreseeable future.
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Affiliation(s)
- Angela M. Groves
- Departments of Pediatrics and Neonatology, University of Rochester Medical Center, Rochester, USA
| | - Jacqueline P. Williams
- Departments of Environmental Medicine, University of Rochester Medical Center, Rochester, USA
- Departments of Radiation Oncology, University of Rochester Medical Center, Rochester, USA
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26
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Farhood B, Goradel NH, Mortezaee K, Khanlarkhani N, Salehi E, Nashtaei MS, Shabeeb D, Musa AE, Fallah H, Najafi M. Intercellular communications-redox interactions in radiation toxicity; potential targets for radiation mitigation. J Cell Commun Signal 2019; 13:3-16. [PMID: 29911259 PMCID: PMC6381372 DOI: 10.1007/s12079-018-0473-3] [Citation(s) in RCA: 51] [Impact Index Per Article: 10.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2018] [Accepted: 06/12/2018] [Indexed: 12/20/2022] Open
Abstract
Nowadays, using ionizing radiation (IR) is necessary for clinical, agricultural, nuclear energy or industrial applications. Accidental exposure to IR after a radiation terror or disaster poses a threat to human. In contrast to the old dogma of radiation toxicity, several experiments during the last two recent decades have revealed that intercellular signaling and communications play a key role in this procedure. Elevated level of cytokines and other intercellular signals increase oxidative damage and inflammatory responses via reduction/oxidation interactions (redox system). Intercellular signals induce production of free radicals and inflammatory mediators by some intermediate enzymes such as cyclooxygenase-2 (COX-2), nitric oxide synthase (NOS), NADPH oxidase, and also via triggering mitochondrial ROS. Furthermore, these signals facilitate cell to cell contact and increasing cell toxicity via cohort effect. Nitric oxide is a free radical with ability to act as an intercellular signal that induce DNA damage and changes in some signaling pathways in irradiated as well as non-irradiated adjacent cells. Targeting of these mediators by some anti-inflammatory agents or via antioxidants such as mitochondrial ROS scavengers opens a window to mitigate radiation toxicity after an accidental exposure. Experiments which have been done so far suggests that some cytokines such as IL-1β, TNF-α, TGF-β, IL-4 and IL-13 are some interesting targets that depend on irradiated organs and may help mitigate radiation toxicity. Moreover, animal experiments in recent years indicated that targeting of toll like receptors (TLRs) may be more useful for radioprotection and mitigation. In this review, we aimed to describe the role of intercellular interactions in oxidative injury, inflammation, cell death and killing effects of IR. Moreover, we described evidence on potential mitigation of radiation injury via targeting of these mediators.
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Affiliation(s)
- Bagher Farhood
- Department of Medical Physics and Radiology, Faculty of Paramedical Sciences, Kashan University of Medical Sciences, Kashan, Iran
| | - Nasser Hashemi Goradel
- Department of Medical Biotechnology, School of Advanced Technologies in Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Keywan Mortezaee
- Department of Anatomy, School of Medicine, Kurdistan University of Medical Sciences, Sanandaj, Iran
| | - Neda Khanlarkhani
- Department of Anatomy, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Ensieh Salehi
- Department of Anatomy, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Maryam Shabani Nashtaei
- Department of Anatomy, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
- Infertility Department, Shariati Hospital, Tehran University of Medical Sciences, Tehran, Iran
| | - Dheyauldeen Shabeeb
- Department of Medical Physics & Biomedical Engineering, School of Medicine, Tehran University of Medical Sciences, International Campus, Tehran, Iran
- Department of Physiology, College of Medicine, University of Misan, Misan, Iraq
| | - Ahmed Eleojo Musa
- Department of Medical Physics & Biomedical Engineering, School of Medicine, Tehran University of Medical Sciences, International Campus, Tehran, Iran
- Research Center for Molecular and Cellular Imaging, Tehran University of Medical Sciences, Tehran, Iran
| | - Hengameh Fallah
- Department of Chemistry, Faculty of Science, Islamic Azad University, Arak, Iran
| | - Masoud Najafi
- Radiology and Nuclear Medicine Department, School of Paramedical Sciences, Kermanshah University of Medical Sciences, Kermanshah, Iran.
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27
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Ma C, Fu Z, Guo H, Wei H, Zhao X, Li Y. The effects of Radix Angelica Sinensis and Radix Hedysari ultrafiltration extract on X-irradiation-induced myocardial fibrosis in rats. Biomed Pharmacother 2019; 112:108596. [PMID: 30780109 DOI: 10.1016/j.biopha.2019.01.057] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2018] [Revised: 01/15/2019] [Accepted: 01/16/2019] [Indexed: 11/28/2022] Open
Abstract
Radix Angelica Sinensis and Radix Hedysari are traditional Chinese medicines that are used for preventing and treating various diseases. This study aimed to investigate the effect and possible underlying mechanisms of Radix Angelica Sinensis and Radix Hedysari ultrafiltration extract (RAS-RH) on X-irradiation-induced cardiac fibrosis in rats. Our data demonstrated that (a) a single dose of total body irradiation (TBI) at 8 Gy resulted in cardiac fibrosis, whereas the control hearts exhibited less collagen and fibrosis. RAS-RH mitigated these morphological injuries. (b) TBI resulted in an increase in the serum levels of transforming growth factor β1 (TGF-β1) and troponin-I (TnI). RAS-RH inhibited the release of TBI-induced serum TGF-β1 and the TnI levels. (c) TBI inhibited the apoptosis of primary rat cardiac fibroblasts, whereas RAS-RH induced the apoptosis of primary rat cardiac fibroblasts after X- irradiation. (d) TBI resulted in an increase in the expression of osteopontin (OPN), c-fos, c-jun, miRNA-21 and collagen1α (COL1α) in primary rat cardiac fibroblasts, and RAS-RH mitigated the TBI-induced increased expression of OPN, c-jun, miRNA-21 and COL1α. In conclusion, these results demonstrate that RAS-RH exerts antifibrotic effects possibly through inducing the apoptosis of fibroblasts, inhibiting the release of serum TGF-β1, reducing the levels of serum TnI and reducing the expression of OPN, c-jun, miRNA-21 and COL1α. Therefore, RAS-RH may potentially be developed as a medical countermeasure for the mitigation of radiation-induced myocardial fibrosis.
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Affiliation(s)
- Chengxu Ma
- College of Integrated Traditional Chinese and Western Medicine, Gansu University of Chinese Medicine, Lanzhou 730000, China
| | - Zhaoyuan Fu
- Affiliated Hospital of Gansu University of Chinese Medicine, Lanzhou 730000, China
| | - Huan Guo
- School of Basic Medical Sciences, Lan Zhou University, Lanzhou 730000, China
| | - Huiping Wei
- Affiliated Hospital of Gansu University of Chinese Medicine, Lanzhou 730000, China
| | - Xinke Zhao
- Affiliated Hospital of Gansu University of Chinese Medicine, Lanzhou 730000, China
| | - Yingdong Li
- College of Integrated Traditional Chinese and Western Medicine, Gansu University of Chinese Medicine, Lanzhou 730000, China.
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28
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Chen ZY, Hu YY, Hu XF, Cheng LX. The conditioned medium of human mesenchymal stromal cells reduces irradiation-induced damage in cardiac fibroblast cells. JOURNAL OF RADIATION RESEARCH 2018; 59:555-564. [PMID: 30010837 PMCID: PMC6151644 DOI: 10.1093/jrr/rry048] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/12/2017] [Indexed: 05/04/2023]
Abstract
Recently, multipotent mesenchymal stromal cell (MSC) treatment has attracted special attention as a new alternative strategy for stimulating regeneration. Irradiation myocardial fibrosis (IMF) is a major complication associated with total body irradiation for hematopoietic stem cell transplantation, nuclear accidents, and thoracic radiotherapy for lung cancer, esophageal cancer, proximal gastric cancer, breast cancer, thymoma, and lymphoma. The aim of the present study was to assess the therapeutic paracrine effects of human umbilical cord-derived mesenchymal stromal cells (UC-MSCs) in the cell model of IMF. For this purpose, primary human cardiac fibroblasts (HCF) cells were irradiated and cultured with the conditioned medium of UC-MSCs (MSCCM). MSCCM promoted cell viability, reduced collagen deposition as measured by Sircol assay and qPCR (Col1A1 and Col1A2), prevented oxidative stress and increased antioxidant status (as measured by malondialdehyde content and the activities and mRNA levels of antioxidant enzymes), and reduced pro-fibrotic TGF-β1, IL-6 and IL-8 levels (as examined by ELISA kit and qPCR). Pretreatment with inhibitor of NF-κB led to a decrease in the levels of TGF-β1 in cell lysate of HCF cells by ELISA kit. Furthermore, we also found that MSCCM prevented NF-κB signaling pathway activation for its proinflammatory actions induced by irradiation. Taken together, our data suggest that MSCCM could reduce irradiation-induced TGF-β1 production through inhibition of the NF-κB signaling pathway. These data provide new insights into the functional actions of MSCCM on irradiation myocardial fibrosis.
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Affiliation(s)
- Zhu-Yue Chen
- Laboratory of Cardiovascular Immunology, Institute of Cardiology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Jie-Fang Avenue 1277#, Wuhan, China
| | - Ying-Ying Hu
- Department of Pediatrics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Jie-Fang Avenue 1277#, Wuhan, China
| | - Xiao-Fan Hu
- Laboratory of Cardiovascular Immunology, Institute of Cardiology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Jie-Fang Avenue 1277#, Wuhan, China
| | - Long-Xian Cheng
- Laboratory of Cardiovascular Immunology, Institute of Cardiology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Jie-Fang Avenue 1277#, Wuhan, China
- Corresponding author. Laboratory of Cardiovascular Immunology, Institute of Cardiology, Union Hospital, Tongji Medical Collegeof Huazhong University of Science and Technology, Jie-Fang Avenue 1277#, Wuhan, 430022, China. Tel: +86-27-85726462; Fax: +86-27-85726423;
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29
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Cameron BD, Sekhar KR, Ofori M, Freeman ML. The Role of Nrf2 in the Response to Normal Tissue Radiation Injury. Radiat Res 2018; 190:99-106. [PMID: 29799319 DOI: 10.1667/rr15059.1] [Citation(s) in RCA: 32] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
The transcription factor Nrf2 is an important modulator of antioxidant and drug metabolism, carbohydrate and lipid metabolism, as well as heme and iron metabolism. Regulation of Nrf2 expression occurs transcriptionally and post-transcriptionally. Post-transcriptional regulation entails ubiquitination followed by proteasome-dependent degradation. Additionally, Nrf2-mediated gene expression is subject to negative regulation by ATF3, Bach1 and cMyc. Nrf2-mediated gene expression is an important regulator of a cell's response to radiation. Although a majority of studies have shown that Nrf2 deficient cells are radiosensitized and Nrf2 over expression confers radioresistance, Nrf2's role in mediating the radiation response of crypt cells is controversial. The Nrf2 activator CDDO attenuates radiation-mediated crypt injury, whereas intestinal crypts in Nrf2 null mice are radiation resistant. Further investigation is needed in order to define the relationship between Nrf2 and radiation sensitivity in Lgr5+ and Bmi1+ cells that regulate regeneration of crypt stem cells. In hematopoietic compartments Nrf2 promotes the survival of irradiated osteoblasts that support long-term hematopoietic stem cell (LT-HSC) niches. Loss of Nrf2 in LT-HSCs increases stem cell intrinsic radiosensitivity, with the consequence of lowering the LD5030. An Nrf2 deficiency drives LT-HSCs from a quiescent to a proliferative state. This results in hematopoietic exhaustion and reduced engraftment after myoablative irradiation. The question of whether induction of Nrf2 in LT-HSC enhances hematopoietic reconstitution after bone marrow transplantation is not yet resolved. Irradiation of the lung induces pulmonary pneumonitis and fibrosis. Loss of Nrf2 promotes TGF-β/Smad signaling that induces ATF3 suppression of Nrf2-mediated target gene expression. This, in turn, results in elevated reactive oxygen species (ROS) and isolevuglandin adduction of protein that impairs collagen degradation, and may contribute to radiation-induced chronic cell injury. Loss of Nrf2 impairs ΔNp63 stem/progenitor cell mobilization after irradiation, while promoting alveolar type 2 cell epithelial-mesenchymal transitions into myofibroblasts. These studies identify Nrf2 as an important factor in the radiation response of normal tissue.
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Affiliation(s)
- Brent D Cameron
- Department of Radiation Oncology, Vanderbilt University School of Medicine, Nashville, Tennessee 37232
| | - Konjeti R Sekhar
- Department of Radiation Oncology, Vanderbilt University School of Medicine, Nashville, Tennessee 37232
| | - Maxwell Ofori
- Department of Radiation Oncology, Vanderbilt University School of Medicine, Nashville, Tennessee 37232
| | - Michael L Freeman
- Department of Radiation Oncology, Vanderbilt University School of Medicine, Nashville, Tennessee 37232
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30
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Abstract
Normal tissue injury from irradiation is an unfortunate consequence of radiotherapy. Technologic improvements have reduced the risk of normal tissue injury; however, toxicity causing treatment breaks or long-term side effects continues to occur in a subset of patients. The molecular events that lead to normal tissue injury are complex and span a variety of biologic processes, including oxidative stress, inflammation, depletion of injured cells, senescence, and elaboration of proinflammatory and profibrogenic cytokines. This article describes selected recent advances in normal tissue radiobiology.
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Affiliation(s)
- Deborah E Citrin
- Radiation Oncology Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD.
| | - James B Mitchell
- Radiation Biology Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD
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31
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Donis N, Oury C, Moonen M, Lancellotti P. Treating cardiovascular complications of radiotherapy: a role for new pharmacotherapies. Expert Opin Pharmacother 2018; 19:431-442. [DOI: 10.1080/14656566.2018.1446080] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Nathalie Donis
- Laboratory of Thrombosis, Haemostasis and Valvular Heart Diseases, GIGA-Cardiovascular Sciences, Department of Cardiology, University of Liège, CHU Liège, Liège, Belgium
| | - Cécile Oury
- Laboratory of Thrombosis, Haemostasis and Valvular Heart Diseases, GIGA-Cardiovascular Sciences, Department of Cardiology, University of Liège, CHU Liège, Liège, Belgium
| | - Marie Moonen
- Laboratory of Thrombosis, Haemostasis and Valvular Heart Diseases, GIGA-Cardiovascular Sciences, Department of Cardiology, University of Liège, CHU Liège, Liège, Belgium
| | - Patrizio Lancellotti
- Laboratory of Thrombosis, Haemostasis and Valvular Heart Diseases, GIGA-Cardiovascular Sciences, Department of Cardiology, University of Liège, CHU Liège, Liège, Belgium
- Gruppo Villa Maria Care and Research, Anthea Hospital, Bari, Italy
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