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Guo H, Yu R, Zhang H, Wang W. Cytokine, chemokine alterations and immune cell infiltration in Radiation-induced lung injury: Implications for prevention and management. Int Immunopharmacol 2024; 126:111263. [PMID: 38000232 DOI: 10.1016/j.intimp.2023.111263] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2023] [Revised: 11/11/2023] [Accepted: 11/16/2023] [Indexed: 11/26/2023]
Abstract
Radiation therapy is one of the primary treatments for thoracic malignancies, with radiation-induced lung injury (RILI) emerging as its most prevalent complication. RILI encompasses early-stage radiation pneumonitis (RP) and the subsequent development of radiation pulmonary fibrosis (RPF). During radiation treatment, not only are tumor cells targeted, but normal tissue cells, including alveolar epithelial cells and vascular endothelial cells, also sustain damage. Within the lungs, ionizing radiation boosts the intracellular levels of reactive oxygen species across various cell types. This elevation precipitates the release of cytokines and chemokines, coupled with the infiltration of inflammatory cells, culminating in the onset of RP. This pulmonary inflammatory response can persist, spanning a duration from several months to years, ultimately progressing to RPF. This review aims to explore the alterations in cytokine and chemokine release and the influx of immune cells post-ionizing radiation exposure in the lungs, offering insights for the prevention and management of RILI.
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Affiliation(s)
- Haochun Guo
- Department of Oncology, Zhongda Hospital, Medical School of Southeast University, Nanjing 210009, China
| | - Ran Yu
- Department of Radiotherapy, Lianshui People's Hospital, Kangda College of Nanjing Medical University, Huai'an 223400, China; Jiangsu Nursing Vocational and Technical College, Huai'an 223400, China; School of Clinical Medicine, Medical College of Yangzhou University, Jiangsu Key Laboratory of Integrated Traditional Chinese and Western Medicine for Prevention and Treatment of Senile Diseases, Yangzhou 225009, China
| | - Haijun Zhang
- Department of Oncology, Zhongda Hospital, Medical School of Southeast University, Nanjing 210009, China.
| | - Wanpeng Wang
- Department of Radiotherapy, Lianshui People's Hospital, Kangda College of Nanjing Medical University, Huai'an 223400, China; Jiangsu Nursing Vocational and Technical College, Huai'an 223400, China; School of Clinical Medicine, Medical College of Yangzhou University, Jiangsu Key Laboratory of Integrated Traditional Chinese and Western Medicine for Prevention and Treatment of Senile Diseases, Yangzhou 225009, China.
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Wang LM, Yadav R, Serban M, Arias O, Seuntjens J, Ybarra N. Validation of an orthotopic non-small cell lung cancer mouse model, with left or right tumor growths, to use in conformal radiotherapy studies. PLoS One 2023; 18:e0284282. [PMID: 37053154 PMCID: PMC10101527 DOI: 10.1371/journal.pone.0284282] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2022] [Accepted: 03/27/2023] [Indexed: 04/14/2023] Open
Abstract
Orthotopic non-small cell lung cancer (NSCLC) mice models are important for establishing translatability of in vitro results. However, most orthotopic lung models do not produce localized tumors treatable by conformal radiotherapy (RT). Here we report on the performance of an orthotopic mice model featuring conformal RT treatable tumors following either left or right lung tumor cell implantation. Athymic Nude mice were surgically implanted with H1299 NSCLC cell line in either the left or right lung. Tumor development was tracked bi-weekly using computed tomography (CT) imaging. When lesions reached an appropriate size for treatment, animals were separated into non-treatment (control group) and RT treated groups. Both RT treated left and right lung tumors which were given a single dose of 20 Gy of 225 kV X-rays. Left lung tumors were treated with a two-field parallel opposed plan while right lung tumors were treated with a more conformal four-field plan to assess tumor control. Mice were monitored for 30 days after RT or after tumor reached treatment size for non-treatment animals. Treatment images from the left and right lung tumor were also used to assess the dose distribution for four distinct treatment plans: 1) Two sets of perpendicularly staggered parallel opposed fields, 2) two fields positioned in the anterior-posterior and posterior-anterior configuration, 3) an 180° arc field from 0° to 180° and 4) two parallel opposed fields which cross through the contralateral lung. Tumor volumes and changes throughout the follow-up period were tracked by three different types of quantitative tumor size approximation and tumor volumes derived from contours. Ultimately, our model generated delineable and conformal RT treatable tumor following both left and right lung implantation. Similarly consistent tumor development was noted between left and right models. We were also able to demonstrate that a single 20 Gy dose of 225 kV X-rays applied to either the right or left lung tumor models had similar levels of tumor control resulting in similar adverse outcomes and survival. And finally, three-dimensional tumor approximation featuring volume computed from the measured length across three perpendicular axes gave the best approximation of tumor volume, most closely resembled tumor volumes obtained with contours.
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Affiliation(s)
- Li Ming Wang
- Department of Experimental Medicine, Faculty of Medicine, McGill University, Montreal, Quebec, Canada
- Cancer Research Program, Research Institute of the McGill University Healthcare Centre, Montreal, Quebec, Canada
| | - Ranjan Yadav
- Medical Physics Unit, Department of Oncology, McGill University, Montreal, Quebec, Canada
| | - Monica Serban
- Radiation Medicine, Princess Margaret Cancer Centre and Department of Radiation Oncology and Medical Biophysics, University of Toronto, Toronto, Ontario, Canada
- Department of Oncology, McGill University, Montreal, Quebec, Canada
| | - Osvaldo Arias
- Cancer Research Program, Research Institute of the McGill University Healthcare Centre, Montreal, Quebec, Canada
| | - Jan Seuntjens
- Radiation Medicine, Princess Margaret Cancer Centre and Department of Radiation Oncology and Medical Biophysics, University of Toronto, Toronto, Ontario, Canada
- Department of Oncology, McGill University, Montreal, Quebec, Canada
- Department of Medical Biophysics, University of Toronto, Toronto, Ontario, Canada
| | - Norma Ybarra
- Department of Experimental Medicine, Faculty of Medicine, McGill University, Montreal, Quebec, Canada
- Cancer Research Program, Research Institute of the McGill University Healthcare Centre, Montreal, Quebec, Canada
- Department of Oncology, McGill University, Montreal, Quebec, Canada
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Cytlak UM, Dyer DP, Honeychurch J, Williams KJ, Travis MA, Illidge TM. Immunomodulation by radiotherapy in tumour control and normal tissue toxicity. Nat Rev Immunol 2022; 22:124-138. [PMID: 34211187 DOI: 10.1038/s41577-021-00568-1] [Citation(s) in RCA: 67] [Impact Index Per Article: 33.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/19/2021] [Indexed: 12/12/2022]
Abstract
Radiotherapy (RT) is a highly effective anticancer treatment that is delivered to more than half of all patients with cancer. In addition to the well-documented direct cytotoxic effects, RT can have immunomodulatory effects on the tumour and surrounding tissues. These effects are thought to underlie the so-called abscopal responses, whereby RT generates systemic antitumour immunity outside the irradiated tumour. The full scope of these immune changes remains unclear but is likely to involve multiple components, such as immune cells, the extracellular matrix, endothelial and epithelial cells and a myriad of chemokines and cytokines, including transforming growth factor-β (TGFβ). In normal tissues exposed to RT during cancer therapy, acute immune changes may ultimately lead to chronic inflammation and RT-induced toxicity and organ dysfunction, which limits the quality of life of survivors of cancer. Here we discuss the emerging understanding of RT-induced immune effects with particular focus on the lungs and gut and the potential immune crosstalk that occurs between these tissues.
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Affiliation(s)
- Urszula M Cytlak
- Lydia Becker Institute for Immunology and Inflammation, Wellcome Centre for Cell-Matrix Research, Manchester Collaborative Centre for Inflammation Research, Faculty of Biology, Medicine and Health, University of Manchester, Manchester, UK.
- Targeted Therapy Group, Division of Cancer Sciences, Faculty of Biology, Medicine and Health, University of Manchester, Manchester, UK.
| | - Douglas P Dyer
- Lydia Becker Institute for Immunology and Inflammation, Wellcome Centre for Cell-Matrix Research, Manchester Collaborative Centre for Inflammation Research, Faculty of Biology, Medicine and Health, University of Manchester, Manchester, UK
| | - Jamie Honeychurch
- Targeted Therapy Group, Division of Cancer Sciences, Faculty of Biology, Medicine and Health, University of Manchester, Manchester, UK
| | - Kaye J Williams
- Division of Pharmacy and Optometry, Faculty of Biology, Medicine and Health, University of Manchester, Manchester, UK
| | - Mark A Travis
- Lydia Becker Institute for Immunology and Inflammation, Wellcome Centre for Cell-Matrix Research, Manchester Collaborative Centre for Inflammation Research, Faculty of Biology, Medicine and Health, University of Manchester, Manchester, UK.
| | - Timothy M Illidge
- Targeted Therapy Group, Division of Cancer Sciences, Faculty of Biology, Medicine and Health, University of Manchester, Manchester, UK.
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Bertho A, Dos Santos M, Braga-Cohen S, Buard V, Paget V, Guipaud O, Tarlet G, Milliat F, François A. Preclinical Model of Stereotactic Ablative Lung Irradiation Using Arc Delivery in the Mouse: Is Fractionation Worthwhile? Front Med (Lausanne) 2022; 8:794324. [PMID: 35004768 PMCID: PMC8739220 DOI: 10.3389/fmed.2021.794324] [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: 10/13/2021] [Accepted: 12/07/2021] [Indexed: 11/23/2022] Open
Abstract
Lung stereotactic body radiation therapy is characterized by a reduction in target volumes and the use of severely hypofractionated schedules. Preclinical modeling became possible thanks to rodent-dedicated irradiation devices allowing accurate beam collimation and focal lung exposure. Given that a great majority of publications use single dose exposures, the question we asked in this study was as follows: in incremented preclinical models, is it worth using fractionated protocols or should we continue focusing solely on volume limitation? The left lungs of C57BL/6JRj mice were exposed to ionizing radiation using arc therapy and 3 × 3 mm beam collimation. Three-fraction schedules delivered over a period of 1 week were used with 20, 28, 40, and 50 Gy doses per fraction. Lung tissue opacification, global histological damage and the numbers of type II pneumocytes and club cells were assessed 6 months post-exposure, together with the gene expression of several lung cells and inflammation markers. Only the administration of 3 × 40 Gy or 3 × 50 Gy generated focal lung fibrosis after 6 months, with tissue opacification visible by cone beam computed tomography, tissue scarring and consolidation, decreased club cell numbers and a reactive increase in the number of type II pneumocytes. A fractionation schedule using an arc-therapy-delivered three fractions/1 week regimen with 3 × 3 mm beam requires 40 Gy per fraction for lung fibrosis to develop within 6 months, a reasonable time lapse given the mouse lifespan. A comparison with previously published laboratory data suggests that, in this focal lung irradiation configuration, administering a Biological Effective Dose ≥ 1000 Gy should be recommended to obtain lung fibrosis within 6 months. The need for such a high dose per fraction challenges the appropriateness of using preclinical highly focused fractionation schedules in mice.
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Affiliation(s)
- Annaïg Bertho
- Laboratory of Radiobiology of Medical Exposures, Institute for Radioprotection and Nuclear Safety (IRSN), Research Department in Radiobiology and Regenerative Medicine, Fontenay-aux-Roses, France
| | - Morgane Dos Santos
- Laboratory of Radiobiology of Accidental Exposures, Institute for Radioprotection and Nuclear Safety (IRSN), Research Department in Radiobiology and Regenerative Medicine, Fontenay-aux-Roses, France
| | - Sarah Braga-Cohen
- Laboratory of Radiobiology of Medical Exposures, Institute for Radioprotection and Nuclear Safety (IRSN), Research Department in Radiobiology and Regenerative Medicine, Fontenay-aux-Roses, France
| | - Valérie Buard
- Laboratory of Radiobiology of Medical Exposures, Institute for Radioprotection and Nuclear Safety (IRSN), Research Department in Radiobiology and Regenerative Medicine, Fontenay-aux-Roses, France
| | - Vincent Paget
- Laboratory of Radiobiology of Medical Exposures, Institute for Radioprotection and Nuclear Safety (IRSN), Research Department in Radiobiology and Regenerative Medicine, Fontenay-aux-Roses, France
| | - Olivier Guipaud
- Laboratory of Radiobiology of Medical Exposures, Institute for Radioprotection and Nuclear Safety (IRSN), Research Department in Radiobiology and Regenerative Medicine, Fontenay-aux-Roses, France
| | - Georges Tarlet
- Laboratory of Radiobiology of Medical Exposures, Institute for Radioprotection and Nuclear Safety (IRSN), Research Department in Radiobiology and Regenerative Medicine, Fontenay-aux-Roses, France
| | - Fabien Milliat
- Laboratory of Radiobiology of Medical Exposures, Institute for Radioprotection and Nuclear Safety (IRSN), Research Department in Radiobiology and Regenerative Medicine, Fontenay-aux-Roses, France
| | - Agnès François
- Laboratory of Radiobiology of Medical Exposures, Institute for Radioprotection and Nuclear Safety (IRSN), Research Department in Radiobiology and Regenerative Medicine, Fontenay-aux-Roses, France
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