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Iannalfi A, Riva G, Lillo S, Ciccone L, Fontana G, Molinelli S, Trombetta L, Ciocca M, Imparato S, Pecorilla M, Orlandi E. Proton therapy for intracranial meningioma: a single-institution retrospective analysis of efficacy, survival and toxicity outcomes. J Neurooncol 2024; 169:683-692. [PMID: 38918319 DOI: 10.1007/s11060-024-04751-x] [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: 05/06/2024] [Accepted: 06/14/2024] [Indexed: 06/27/2024]
Abstract
PURPOSE To report the outcomes of a large series of intracranial meningiomas (IMs) submitted to proton therapy (PT) with curative intent. METHODS We conducted a retrospective analysis on all consecutive IM patients treated between 2014 and 2021. The median PT prescription dose was 55.8 Gy relative biological effectiveness (RBE) and 66 GyRBE for benign/radiologically diagnosed and atypical/anaplastic IMs, respectively. Local recurrence-free survival (LRFS), distant recurrence-free survival (DRFS), overall survival (OS), and radionecrosis-free survival (RNFS) were evaluated with the Kaplan-Meier method. Univariable analysis was performed to identify potential prognostic factors for clinical outcomes. Toxicity was reported according to the latest Common Terminology Criteria for Adverse Events (CTCAE) version 5.0. RESULTS Overall, 167 patients were included. With a median follow-up of 41 months (range, 6-99), twelve patients (7%) developed tumor local recurrence after a median time of 39 months. The 5-year LRFS was 88% for the entire cohort, with a significant difference between benign/radiologically diagnosed and atypical/anaplastic IMs (98% vs. 47%, p < 0.001); this significant difference was maintained also for the 5-year OS and the 5-year DRFS rates. Patients aged ≤ 56 years reported significantly better outcomes, whereas lower prescription doses and skull base location were associated with better RNFS rates. Two patients experienced G3 acute toxicities (1.2%), and three patients G3 late toxicities (1.8%). There were no G4-G5 adverse events. CONCLUSION PT proved to be effective with an acceptable toxicity profile. To the best of our knowledge this is one of the largest series including IM patients submitted to PT.
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Affiliation(s)
- Alberto Iannalfi
- Radiation Oncology Unit, Clinical Department, National Center for Oncological Hadrontherapy (CNAO), Pavia, 27100, Italy
| | - Giulia Riva
- Radiation Oncology Unit, Clinical Department, National Center for Oncological Hadrontherapy (CNAO), Pavia, 27100, Italy
| | - Sara Lillo
- Radiation Oncology Unit, Clinical Department, National Center for Oncological Hadrontherapy (CNAO), Pavia, 27100, Italy.
| | - Lucia Ciccone
- Radiation Oncology Unit, Clinical Department, National Center for Oncological Hadrontherapy (CNAO), Pavia, 27100, Italy
| | - Giulia Fontana
- Clinical Department, National Center for Oncological Hadrontherapy (CNAO), Pavia, 27100, Italy
| | - Silvia Molinelli
- Medical Physics Unit, Clinical Department, National Center for Oncological Hadrontherapy (CNAO), Pavia, 27100, Italy
| | - Luca Trombetta
- Medical Physics Unit, Clinical Department, National Center for Oncological Hadrontherapy (CNAO), Pavia, 27100, Italy
| | - Mario Ciocca
- Medical Physics Unit, Clinical Department, National Center for Oncological Hadrontherapy (CNAO), Pavia, 27100, Italy
| | - Sara Imparato
- Radiology Unit, Clinical Department, National Center for Oncological Hadrontherapy (CNAO), Pavia, 27100, Italy
| | - Mattia Pecorilla
- Radiology Unit, Clinical Department, National Center for Oncological Hadrontherapy (CNAO), Pavia, 27100, Italy
| | - Ester Orlandi
- Radiation Oncology Unit, Clinical Department, National Center for Oncological Hadrontherapy (CNAO), Pavia, 27100, Italy
- Department of Clinical, Surgical, Diagnostic, and Pediatric Sciences, University of Pavia, Pavia, 27100, Italy
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Ciccone LP, Franzetti J, Bonora M, Ronchi S, Camarda AM, Charalampopoulou A, Facoetti A, Bazani A, Magro G, Vischioni B, Locati LD, Licitra L, Sauerwein WAG, Orlandi E. Charged particle radiotherapy for thyroid cancer. A systematic review. Crit Rev Oncol Hematol 2024; 202:104463. [PMID: 39098367 DOI: 10.1016/j.critrevonc.2024.104463] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2024] [Revised: 07/26/2024] [Accepted: 07/28/2024] [Indexed: 08/06/2024] Open
Abstract
The role of external beam radiotherapy (EBRT) in thyroid cancer (TC) remains contentious due to limited data. Retrospective studies suggest adjuvant EBRT benefits high-risk differentiated thyroid cancer (DTC) and limited-stage anaplastic thyroid carcinoma (ATC), enhancing locoregional control and progression-free survival when combined with surgery and chemotherapy. Intensity-modulated radiotherapy (IMRT) and particle therapy (PT), including protons, carbon ions, and Boron Neutron Capture Therapy (BNCT), represent advances in TC treatment. Following PRISMA guidelines, we reviewed 471 studies from January 2002 to January 2024, selecting 14 articles (10 preclinical, 4 clinical). Preclinical research focused on BNCT in ATC mouse models, showing promising local control rates. Clinical studies explored proton, neutron, or photon radiotherapy, reporting favorable outcomes and manageable toxicity. While PT shows promise supported by biological rationale, further research is necessary to clarify its role and potential combination with systemic treatments in TC management.
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Affiliation(s)
- Lucia Pia Ciccone
- Clinical Department, CNAO National Center for Oncological Hadrontherapy, Pavia 27100, Italy
| | - Jessica Franzetti
- Clinical Department, CNAO National Center for Oncological Hadrontherapy, Pavia 27100, Italy.
| | - Maria Bonora
- Clinical Department, CNAO National Center for Oncological Hadrontherapy, Pavia 27100, Italy
| | - Sara Ronchi
- Clinical Department, CNAO National Center for Oncological Hadrontherapy, Pavia 27100, Italy
| | - Anna Maria Camarda
- Clinical Department, CNAO National Center for Oncological Hadrontherapy, Pavia 27100, Italy
| | - Alexandra Charalampopoulou
- Radiobiology Unit, Research and Development Department, CNAO National Center for Oncological Hadrontherapy, Pavia 27100, Italy; Hadron Academy PhD Course, University School for Advanced Studies (IUSS), Pavia 27100, Italy
| | - Angelica Facoetti
- Radiobiology Unit, Research and Development Department, CNAO National Center for Oncological Hadrontherapy, Pavia 27100, Italy
| | - Alessia Bazani
- Medical Physics Unit, CNAO National Center for Oncological Hadrontherapy, Pavia 27100, Italy
| | - Giuseppe Magro
- Medical Physics Unit, CNAO National Center for Oncological Hadrontherapy, Pavia 27100, Italy
| | - Barbara Vischioni
- Clinical Department, CNAO National Center for Oncological Hadrontherapy, Pavia 27100, Italy
| | - Laura Deborah Locati
- Department of Internal Medicine and Therapeutics University of Pavia, Pavia 27100, Italy; Medical Oncology Unit, Istituti Clinici Scientifici Maugeri IRCCS, Pavia 27100, Italy
| | - Lisa Licitra
- Scientific Directorate, CNAO National Center for Oncological Hadrontherapy, Pavia 27100, Italy; Department of Head & Neck Medical Oncology 3, Fondazione IRCCS Istituto Nazionale dei Tumori, Milan 20133, Italy; Department of Oncology & Haemato-Oncology, University of Milan, Milan 20122, Italy
| | - Wolfgang A G Sauerwein
- Deutsche Gesellschaft für Bor-Neutroneneinfangtherapie (DGBNCT), Essen, Germany; BNCT Global GmbH, Essen, Germany
| | - Ester Orlandi
- Clinical Department, CNAO National Center for Oncological Hadrontherapy, Pavia 27100, Italy; Department of Clinical, Surgical, Diagnostic, and Pediatric Sciences, University of Pavia, Pavia, Italy
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Lv L, Zhang J, Wang Y, Liang H, Liu Q, Hu F, Li H, Su W, Zhang J, Chen R, Chen Z, Wang Z, Li J, Yan R, Yang M, Chang YN, Li J, Liang T, Xing G, Chen K. Boron Neutron Capture Therapy-Derived Extracellular Vesicles via DNA Accumulation Boost Antitumor Dendritic Cell Vaccine Efficacy. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2024:e2405158. [PMID: 39021327 DOI: 10.1002/advs.202405158] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/14/2024] [Indexed: 07/20/2024]
Abstract
Radiated tumor cell-derived extracellular vesicles (RT-EVs) encapsulate abundant DNA fragments from irradiated tumor cells, in addition to acting as integrators of multiple tumor antigens. Accumulating evidence indicates these DNA fragments from damaged cells are involved in downstream immune responses, but most of them are degraded in cells before incorporation into derived RT-EVs, thus the low abundance of DNA fragments limits immune responses of RT-EVs. Here, this study found that different radiations affected fates of DNA fragments in RT-EVs. Boron neutron capture therapy (BNCT) induced DNA accumulation in RT-EVs (BEVs) by causing more DNA breaks and DNA oxidation resisting nuclease degradation. This is attributed to the high-linear energy transfer (LET) properties of alpha particles from the neutron capture reaction of 10B. When being internalized by dendritic cells (DCs), BEVs activated the DNA sensing pathway, resulting in functional enhancements including antigen presentation, migration capacity, and cytokine secretion. After vaccination of the BEVs-educated DCs (BEV@BMDCs), the effector T cells significantly expanded and infiltrated into tumors, suggesting robust anti-tumor immune activation. BEV@BMDCs not only effectively inhibited the primary tumor growth and metastasis formation but also elicited long-term immune memory. In conclusion, a successful DC vaccine is provided as a promising candidate for tumor vaccine.
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Affiliation(s)
- Linwen Lv
- CAS Key Lab for Biomedical Effects of Nanomaterials and Nanosafety, Institute of High Energy Physics, Chinese Academy of Sciences, 19B YuquanLu, Shijingshan District, Beijing, 100049, China
- University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Junzhe Zhang
- State Key Laboratory for Quality Ensurance and Sustainable Use of Dao-di Herbs, Artemisinin Research Center, and Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing, 100700, China
| | - Yujiao Wang
- CAS Key Lab for Biomedical Effects of Nanomaterials and Nanosafety, Institute of High Energy Physics, Chinese Academy of Sciences, 19B YuquanLu, Shijingshan District, Beijing, 100049, China
| | - Haojun Liang
- CAS Key Lab for Biomedical Effects of Nanomaterials and Nanosafety, Institute of High Energy Physics, Chinese Academy of Sciences, 19B YuquanLu, Shijingshan District, Beijing, 100049, China
| | - Qiuyang Liu
- CAS Key Lab for Biomedical Effects of Nanomaterials and Nanosafety, Institute of High Energy Physics, Chinese Academy of Sciences, 19B YuquanLu, Shijingshan District, Beijing, 100049, China
| | - Fan Hu
- CAS Key Lab for Biomedical Effects of Nanomaterials and Nanosafety, Institute of High Energy Physics, Chinese Academy of Sciences, 19B YuquanLu, Shijingshan District, Beijing, 100049, China
| | - Hao Li
- CAS Key Lab for Biomedical Effects of Nanomaterials and Nanosafety, Institute of High Energy Physics, Chinese Academy of Sciences, 19B YuquanLu, Shijingshan District, Beijing, 100049, China
| | - Wenxi Su
- CAS Key Lab for Biomedical Effects of Nanomaterials and Nanosafety, Institute of High Energy Physics, Chinese Academy of Sciences, 19B YuquanLu, Shijingshan District, Beijing, 100049, China
| | - Junhui Zhang
- CAS Key Lab for Biomedical Effects of Nanomaterials and Nanosafety, Institute of High Energy Physics, Chinese Academy of Sciences, 19B YuquanLu, Shijingshan District, Beijing, 100049, China
| | - Ranran Chen
- CAS Key Lab for Biomedical Effects of Nanomaterials and Nanosafety, Institute of High Energy Physics, Chinese Academy of Sciences, 19B YuquanLu, Shijingshan District, Beijing, 100049, China
| | - Ziteng Chen
- CAS Key Lab for Biomedical Effects of Nanomaterials and Nanosafety, Institute of High Energy Physics, Chinese Academy of Sciences, 19B YuquanLu, Shijingshan District, Beijing, 100049, China
| | - Zhijie Wang
- CAS Key Lab for Biomedical Effects of Nanomaterials and Nanosafety, Institute of High Energy Physics, Chinese Academy of Sciences, 19B YuquanLu, Shijingshan District, Beijing, 100049, China
| | - Jiacheng Li
- CAS Key Lab for Biomedical Effects of Nanomaterials and Nanosafety, Institute of High Energy Physics, Chinese Academy of Sciences, 19B YuquanLu, Shijingshan District, Beijing, 100049, China
| | - Ruyu Yan
- CAS Key Lab for Biomedical Effects of Nanomaterials and Nanosafety, Institute of High Energy Physics, Chinese Academy of Sciences, 19B YuquanLu, Shijingshan District, Beijing, 100049, China
| | - Mingxin Yang
- CAS Key Lab for Biomedical Effects of Nanomaterials and Nanosafety, Institute of High Energy Physics, Chinese Academy of Sciences, 19B YuquanLu, Shijingshan District, Beijing, 100049, China
| | - Ya-Nan Chang
- CAS Key Lab for Biomedical Effects of Nanomaterials and Nanosafety, Institute of High Energy Physics, Chinese Academy of Sciences, 19B YuquanLu, Shijingshan District, Beijing, 100049, China
| | - Juan Li
- CAS Key Lab for Biomedical Effects of Nanomaterials and Nanosafety, Institute of High Energy Physics, Chinese Academy of Sciences, 19B YuquanLu, Shijingshan District, Beijing, 100049, China
| | - Tianjiao Liang
- Guangdong-Hong Kong-Macao Joint Laboratory for Neutron Scattering Science and Technology, Spallation Neutron Source Science Center, Dongguan, 523803, China
| | - Gengmei Xing
- CAS Key Lab for Biomedical Effects of Nanomaterials and Nanosafety, Institute of High Energy Physics, Chinese Academy of Sciences, 19B YuquanLu, Shijingshan District, Beijing, 100049, China
| | - Kui Chen
- CAS Key Lab for Biomedical Effects of Nanomaterials and Nanosafety, Institute of High Energy Physics, Chinese Academy of Sciences, 19B YuquanLu, Shijingshan District, Beijing, 100049, China
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Forenzo C, Larsen J. Bridging clinical radiotherapy and space radiation therapeutics through reactive oxygen species (ROS)-triggered delivery. Free Radic Biol Med 2024; 219:88-103. [PMID: 38631648 DOI: 10.1016/j.freeradbiomed.2024.04.219] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/24/2024] [Revised: 03/15/2024] [Accepted: 04/09/2024] [Indexed: 04/19/2024]
Abstract
This review explores the convergence of clinical radiotherapy and space radiation therapeutics, focusing on ionizing radiation (IR)-generated reactive oxygen species (ROS). IR, with high-energy particles, induces precise cellular damage, particularly in cancer treatments. The paper discusses parallels between clinical and space IR, highlighting unique characteristics of high-charge and energy particles in space and potential health risks for astronauts. Emphasizing the parallel occurrence of ROS generation in both clinical and space contexts, the review identifies ROS as a crucial factor with dual roles in cellular responses and potential disease initiation. The analysis covers ROS generation mechanisms, variations, and similarities in terrestrial and extraterrestrial environments leading to innovative ROS-responsive delivery systems adaptable for both clinical and space applications. The paper concludes by discussing applications of personalized ROS-triggered therapeutic approaches and discussing the challenges and prospects of implementing these strategies in clinical radiotherapy and extraterrestrial missions. Overall, it underscores the potential of ROS-targeted delivery for advancing therapeutic strategies in terrestrial clinical settings and space exploration, contributing to human health improvement on Earth and beyond.
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Affiliation(s)
- Chloe Forenzo
- Department of Chemical and Biomolecular Engineering, Clemson University, Clemson, SC, 29631, USA
| | - Jessica Larsen
- Department of Chemical and Biomolecular Engineering, Clemson University, Clemson, SC, 29631, USA; Department of Bioengineering, Clemson University, Clemson, SC, 29631, USA.
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5
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Dimitrova T, Hristova E, Petrova N. Low-Dose Ionizing Radiation Exposure on Human Male Gametes: Damage or Benefit. Life (Basel) 2024; 14:830. [PMID: 39063584 PMCID: PMC11277789 DOI: 10.3390/life14070830] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2024] [Revised: 06/24/2024] [Accepted: 06/27/2024] [Indexed: 07/28/2024] Open
Abstract
With the improvement of medical devices for diagnosis and radiotherapy, concerns about the effects of low doses of ionizing radiation are also growing. There is no consensus among scientists on whether they might have beneficial effects on humans in certain cases or pose more risks, making the exposure unreasonable. While the damaging consequences of high-dose radiation have been known since the discovery of radioactivity, low-dose effects present a much bigger investigative challenge. They are highly specific and include radio-adaptive responses, bystander effects, and genomic instability. Current data regarding the consequences of exposure to low-dose radiation on the quality of male gametes and fertility potential are contradictory. The reports suggest two directions: indirect impact on male gametes-through spermatogenesis-or direct effects at low doses on already mature spermatozoa. Although mature gametes are used for observation in both models, they are fundamentally different, leading to varied results. Due to their unique physiological characteristics, in certain cases, exposure of spermatozoa to low-dose ionizing radiation could have positive effects. Despite the findings indicating no beneficial effects of low-dose exposure on male fertility, it is essential to research its impact on mature spermatozoa, as well.
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Affiliation(s)
- Tsvetomira Dimitrova
- Institute of Biology and Immunology of Reproduction, Bulgarian Academy of Sciences, 1113 Sofia, Bulgaria; (T.D.); (N.P.)
- Invitro OB Medical Center “Dimitrov”, 1750 Sofia, Bulgaria
| | - Elena Hristova
- Institute of Biology and Immunology of Reproduction, Bulgarian Academy of Sciences, 1113 Sofia, Bulgaria; (T.D.); (N.P.)
| | - Nadya Petrova
- Institute of Biology and Immunology of Reproduction, Bulgarian Academy of Sciences, 1113 Sofia, Bulgaria; (T.D.); (N.P.)
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Rødland GE, Temelie M, Eek Mariampillai A, Hauge S, Gilbert A, Chevalier F, Savu DI, Syljuåsen RG. Potential Benefits of Combining Proton or Carbon Ion Therapy with DNA Damage Repair Inhibitors. Cells 2024; 13:1058. [PMID: 38920686 PMCID: PMC11201490 DOI: 10.3390/cells13121058] [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: 04/29/2024] [Revised: 06/03/2024] [Accepted: 06/05/2024] [Indexed: 06/27/2024] Open
Abstract
The use of charged particle radiotherapy is currently increasing, but combination therapy with DNA repair inhibitors remains to be exploited in the clinic. The high-linear energy transfer (LET) radiation delivered by charged particles causes clustered DNA damage, which is particularly effective in destroying cancer cells. Whether the DNA damage response to this type of damage is different from that elicited in response to low-LET radiation, and if and how it can be targeted to increase treatment efficacy, is not fully understood. Although several preclinical studies have reported radiosensitizing effects when proton or carbon ion irradiation is combined with inhibitors of, e.g., PARP, ATR, ATM, or DNA-PKcs, further exploration is required to determine the most effective treatments. Here, we examine what is known about repair pathway choice in response to high- versus low-LET irradiation, and we discuss the effects of inhibitors of these pathways when combined with protons and carbon ions. Additionally, we explore the potential effects of DNA repair inhibitors on antitumor immune signaling upon proton and carbon ion irradiation. Due to the reduced effect on healthy tissue and better immune preservation, particle therapy may be particularly well suited for combination with DNA repair inhibitors.
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Affiliation(s)
- Gro Elise Rødland
- Department of Radiation Biology, Institute for Cancer Research, Norwegian Radium Hospital, Oslo University Hospital, 0379 Oslo, Norway
| | - Mihaela Temelie
- Department of Life and Environmental Physics, Horia Hulubei National Institute of Physics and Nuclear Engineering, 077125 Magurele, Romania
| | - Adrian Eek Mariampillai
- Department of Radiation Biology, Institute for Cancer Research, Norwegian Radium Hospital, Oslo University Hospital, 0379 Oslo, Norway
| | - Sissel Hauge
- Department of Radiation Biology, Institute for Cancer Research, Norwegian Radium Hospital, Oslo University Hospital, 0379 Oslo, Norway
| | - Antoine Gilbert
- UMR6252 CIMAP, Team Applications in Radiobiology with Accelerated Ions, CEA-CNRS-ENSICAEN-Université de Caen Normandie, 14000 Caen, France (F.C.)
| | - François Chevalier
- UMR6252 CIMAP, Team Applications in Radiobiology with Accelerated Ions, CEA-CNRS-ENSICAEN-Université de Caen Normandie, 14000 Caen, France (F.C.)
| | - Diana I. Savu
- Department of Life and Environmental Physics, Horia Hulubei National Institute of Physics and Nuclear Engineering, 077125 Magurele, Romania
| | - Randi G. Syljuåsen
- Department of Radiation Biology, Institute for Cancer Research, Norwegian Radium Hospital, Oslo University Hospital, 0379 Oslo, Norway
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Wang D, Luo H, Chen Y, Ou Y, Dong M, Chen J, Liu R, Wang X, Zhang Q. 14-3-3σ downregulation sensitizes pancreatic cancer to carbon ions by suppressing the homologous recombination repair pathway. Aging (Albany NY) 2024; 16:9727-9752. [PMID: 38843383 PMCID: PMC11210243 DOI: 10.18632/aging.205896] [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: 11/20/2023] [Accepted: 04/15/2024] [Indexed: 06/22/2024]
Abstract
This study explored the role of 14-3-3σ in carbon ion-irradiated pancreatic adenocarcinoma (PAAD) cells and xenografts and clarified the underlying mechanism. The clinical significance of 14-3-3σ in patients with PAAD was explored using publicly available databases. 14-3-3σ was silenced or overexpressed and combined with carbon ions to measure cell proliferation, cell cycle, and DNA damage repair. Immunoblotting and immunofluorescence (IF) assays were used to determine the underlying mechanisms of 14-3-3σ toward carbon ion radioresistance. We used the BALB/c mice to evaluate the biological behavior of 14-3-3σ in combination with carbon ions. Bioinformatic analysis revealed that PAAD expressed higher 14-3-3σ than normal pancreatic tissues; its overexpression was related to invasive clinicopathological features and a worse prognosis. Knockdown or overexpression of 14-3-3σ demonstrated that 14-3-3σ promoted the survival of PAAD cells after carbon ion irradiation. And 14-3-3σ was upregulated in PAAD cells during DNA damage (carbon ion irradiation, DNA damaging agent) and promotes cell recovery. We found that 14-3-3σ resulted in carbon ion radioresistance by promoting RPA2 and RAD51 accumulation in the nucleus in PAAD cells, thereby increasing homologous recombination repair (HRR) efficiency. Blocking the HR pathway consistently reduced 14-3-3σ overexpression-induced carbon ion radioresistance in PAAD cells. The enhanced radiosensitivity of 14-3-3σ depletion on carbon ion irradiation was also demonstrated in vivo. Altogether, 14-3-3σ functions in tumor progression and can be a potential target for developing biomarkers and treatment strategies for PAAD along with incorporating carbon ion irradiation.
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Affiliation(s)
- Dandan Wang
- The First School of Clinical Medicine, Lanzhou University, Lanzhou, People’s Republic of China
- Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou, People’s Republic of China
| | - Hongtao Luo
- Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou, People’s Republic of China
- Graduate School, University of Chinese Academy of Sciences, Beijing, People’s Republic of China
| | - Yanliang Chen
- The First School of Clinical Medicine, Lanzhou University, Lanzhou, People’s Republic of China
- Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou, People’s Republic of China
| | - Yuhong Ou
- The First School of Clinical Medicine, Lanzhou University, Lanzhou, People’s Republic of China
- Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou, People’s Republic of China
| | - Meng Dong
- The First School of Clinical Medicine, Lanzhou University, Lanzhou, People’s Republic of China
- Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou, People’s Republic of China
| | - Junru Chen
- The First School of Clinical Medicine, Lanzhou University, Lanzhou, People’s Republic of China
- Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou, People’s Republic of China
| | - Ruifeng Liu
- Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou, People’s Republic of China
- Graduate School, University of Chinese Academy of Sciences, Beijing, People’s Republic of China
| | - Xiaohu Wang
- The First School of Clinical Medicine, Lanzhou University, Lanzhou, People’s Republic of China
- Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou, People’s Republic of China
- Graduate School, University of Chinese Academy of Sciences, Beijing, People’s Republic of China
| | - Qiuning Zhang
- Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou, People’s Republic of China
- Graduate School, University of Chinese Academy of Sciences, Beijing, People’s Republic of China
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8
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Radstake WE, Parisi A, Denbeigh JM, Furutani KM, Beltran CJ. DNA Double-Strand Break Repair Kinetics after Exposure to Photons and Ions: A Systematic Review. Radiat Res 2024; 201:604-616. [PMID: 38376467 DOI: 10.1667/rade-23-00190.1] [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: 09/18/2023] [Accepted: 03/22/2024] [Indexed: 02/21/2024]
Abstract
This study offers a review of published data on DNA double strand break (DSB) repair kinetics after exposure to ionizing radiation. By compiling a database, which currently includes 285 DNA DSB repair experiments utilizing both photons and ions, we investigate the impact of distinct experimental parameters on the kinetics of DNA DSB repair. Methodological differences and inconsistencies in reporting make the comparison of data generated by different research groups challenging. Nevertheless, by implementing filtering criteria, we can compare repair kinetics obtained with normal and tumor cells derived from human or animal tissues, as well as cells exposed to photons or ions ranging from hydrogen to iron ions. In addition, several repair curves of repair deficient cell lines were included. The study aims to provide researchers with a comprehensive overview of experimental factors that may confound results and emphasize the importance of precise reporting of experimental parameters. Moreover, we identify gaps in the literature that require attention in future studies, aiming to address clinically relevant questions related to radiotherapy. The database can be freely accessed at: https://github.com/weradstake/DRDNA.
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Affiliation(s)
| | - Alessio Parisi
- Department of Radiation Oncology, Mayo Clinic, Jacksonville, Florida
| | - Janet M Denbeigh
- Department of Radiation Oncology, Mayo Clinic, Jacksonville, Florida
| | - Keith M Furutani
- Department of Radiation Oncology, Mayo Clinic, Jacksonville, Florida
| | - Chris J Beltran
- Department of Radiation Oncology, Mayo Clinic, Jacksonville, Florida
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Yang H, Qiu Y, Chen J, Lai J. Uncovering a novel DNA repair-related radiosensitivity model for evaluation of radiotherapy susceptibility in uterine corpus endometrial cancer. Heliyon 2024; 10:e29401. [PMID: 38628740 PMCID: PMC11019234 DOI: 10.1016/j.heliyon.2024.e29401] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2023] [Revised: 12/16/2023] [Accepted: 04/08/2024] [Indexed: 04/19/2024] Open
Abstract
Background Uterine corpus endometrial cancer (UCEC) exhibit heterogeneity in their DNA repair capacity, which can impact their response to radiotherapy. Our study aimed to identify potential DNA repair-related biomarkers for predicting radiation response in UCEC. Methods We conducted a thorough analysis of 497 UCEC samples obtained from TCGA database. Using LASSO-COX regression analysis, we constructed a radiosensitivity signature and subsequently divided patients into the radiosensitive (RS) and the radioresistant (RR) groups based on their radiosensitivity index. The GSVA and GSEA were performed to explore functional annotations. The CIBERSORT and ESTIMATE algorithms were utilized to investigate the immune infiltration status of the two groups. Additionally, we utilized the Tumor Immune Dysfunction and Exclusion (TIDE), Immunophenotype Score (IPS), and pRRophetic algorithms to predict the effectiveness of different treatment modalities. Results We constructed a radiosensitivity index consists of four DNA repair-related genes. Patients in the RS group demonstrated significantly improved prognosis compared to patients in the RR group when treated with radiotherapy. We observed that the RS group exhibited a higher proportion of the POLE ultra-mutated subtype, while the RR group had a higher proportion of the copy number high subtype. GSVA enrichment analysis revealed that the RS group exhibited enrichment in DNA damage repair pathways. Notably, the RS group demonstrated a higher proportion of naïve B cells and follicular helper T cells, while regulatory T cells (Tregs) and memory B cells were more abundant in the RR group. Furthermore, patients in the RS-PD-L1-high subgroup exhibited enrichment in immune-related pathways and increased sensitivity to immunotherapy, which is likely to contribute to their improved prognosis. Additionally, we conducted in vitro experiments to validate the expression of radiosensitivity genes in non-radioresistant (AN3CA) and radioresistant (AN3CA/IR) endometrial cancer cells. Conclusions In conclusion, our research successfully constructed a radiosensitivity signature with robust predictive capacity. These findings shed light on the association between immune activation, PD-L1 expression, and the response to immunotherapy in the context of radiotherapy.
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Affiliation(s)
- Hainan Yang
- Department of Ultrasound, First Affiliated Hospital of Xiamen University, Xiamen, Fujian, 361003, China
| | - Yanru Qiu
- Department of Oncology, The Second Affiliated Hospital of Fujian Medical University, Quanzhou, Fujian, 362000, China
| | - Junjun Chen
- National Health Commission (NHC) Key Laboratory of Personalized Diagnosis and Treatment of Nasopharyngeal Carcinoma, Jiangxi Cancer Hospital of Nanchang Medical College, Nanchang, Jiangxi, 330000, China
| | - Jinzhi Lai
- Department of Oncology, The Second Affiliated Hospital of Fujian Medical University, Quanzhou, Fujian, 362000, China
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10
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Mao H, Zhang H, Luo Y, Yang J, Liu Y, Zhang S, Chen W, Li Q, Dai Z. Primary study of the relative and compound biological effectiveness model for boron neutron capture therapy based on nanodosimetry. Med Phys 2024; 51:3076-3092. [PMID: 38408025 DOI: 10.1002/mp.16998] [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: 09/28/2023] [Revised: 12/31/2023] [Accepted: 02/07/2024] [Indexed: 02/28/2024] Open
Abstract
BACKGROUND The current radiobiological model employed for boron neutron capture therapy (BNCT) treatment planning, which relies on microdosimetry, fails to provide an accurate representation the biological effects of BNCT. The precision in calculating the relative biological effectiveness (RBE) and compound biological effectiveness (CBE) plays a pivotal role in determining the therapeutic efficacy of BNCT. Therefore, this study focuses on how to improve the accuracy of the biological effects of BNCT. PURPOSE The purpose of this study is to propose new radiation biology models based on nanodosimetry to accurately assess RBE and CBE for BNCT. METHODS Nanodosimetry, rooted in ionization cluster size distributions (ICSD), introduces a novel approach to characterize radiation quality by effectively delineating RBE through the ion track structure at the nanoscale. In the context of prior research, this study presents a computational model for the nanoscale assessment of RBE and CBE. We establish a simplified model of DNA chromatin fiber using the Monte Carlo code TOPAS-nBio to evaluate the applicability of ICSD to BNCT and compute nanodosimetric parameters. RESULTS Our investigation reveals that both homogeneous and heterogeneous nanodosimetric parameters, as well as the corresponding biological model coefficients α and β, along with RBE values, exhibit variations in response to varying intracellular 10B concentrations. Notably, the nanodosimetric parameterM 1 C 2 $M_1^{{{\mathrm{C}}}_2}$ effectively captures the fluctuations in model coefficients α and RBE. CONCLUSION Our model facilitates a nanoscale analysis of BNCT, enabling predictions of nanodosimetric quantities for secondary ions as well as RBE, CBE, and other essential biological metrics related to the distribution of boron. This contribution significantly enhances the precision of RBE calculations and holds substantial promise for future applications in treatment planning.
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Affiliation(s)
- Haijun Mao
- Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou, China
- School of Nuclear Science and Technology, Lanzhou University, Lanzhou, China
| | - Hui Zhang
- Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou, China
- University of Chinese Academy of Sciences, Beijing, China
| | - Ying Luo
- Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou, China
- University of Chinese Academy of Sciences, Beijing, China
| | - Jingfen Yang
- Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou, China
- University of Chinese Academy of Sciences, Beijing, China
| | - Yinuo Liu
- Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou, China
- School of Future Technology, Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Shichao Zhang
- Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou, China
- School of Nuclear Science and Technology, Lanzhou University, Lanzhou, China
| | - Weiqiang Chen
- Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou, China
- University of Chinese Academy of Sciences, Beijing, China
- Putian Lanhai Nuclear Medicine Research Center, Putian, China
| | - Qiang Li
- Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou, China
- University of Chinese Academy of Sciences, Beijing, China
- Putian Lanhai Nuclear Medicine Research Center, Putian, China
| | - Zhongying Dai
- Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou, China
- University of Chinese Academy of Sciences, Beijing, China
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11
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Thwaites DI, Prokopovich DA, Garrett RF, Haworth A, Rosenfeld A, Ahern V. The rationale for a carbon ion radiation therapy facility in Australia. J Med Radiat Sci 2024; 71 Suppl 2:59-76. [PMID: 38061984 PMCID: PMC11011608 DOI: 10.1002/jmrs.744] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2023] [Accepted: 11/17/2023] [Indexed: 04/13/2024] Open
Abstract
Australia has taken a collaborative nationally networked approach to achieve particle therapy capability. This supports the under-construction proton therapy facility in Adelaide, other potential proton centres and an under-evaluation proposal for a hybrid carbon ion and proton centre in western Sydney. A wide-ranging overview is presented of the rationale for carbon ion radiation therapy, applying observations to the case for an Australian facility and to the clinical and research potential from such a national centre.
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Affiliation(s)
- David I. Thwaites
- Institute of Medical Physics, School of PhysicsUniversity of SydneySydneyNew South WalesAustralia
- Department of Radiation OncologySydney West Radiation Oncology NetworkWestmeadNew South WalesAustralia
- Radiotherapy Research Group, Institute of Medical ResearchSt James's Hospital and University of LeedsLeedsUK
| | | | - Richard F. Garrett
- Australian Nuclear Science and Technology OrganisationLucas HeightsNew South WalesAustralia
| | - Annette Haworth
- Institute of Medical Physics, School of PhysicsUniversity of SydneySydneyNew South WalesAustralia
- Department of Radiation OncologySydney West Radiation Oncology NetworkWestmeadNew South WalesAustralia
| | - Anatoly Rosenfeld
- Centre for Medical Radiation Physics, School of PhysicsUniversity of WollongongSydneyNew South WalesAustralia
| | - Verity Ahern
- Department of Radiation OncologySydney West Radiation Oncology NetworkWestmeadNew South WalesAustralia
- Westmead Clinical School, Faculty of Medicine and HealthUniversity of SydneySydneyNew South WalesAustralia
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12
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Afshari N, Koturbash I, Boerma M, Newhauser W, Kratz M, Willey J, Williams J, Chancellor J. A Review of Numerical Models of Radiation Injury and Repair Considering Subcellular Targets and the Extracellular Microenvironment. Int J Mol Sci 2024; 25:1015. [PMID: 38256089 PMCID: PMC10816679 DOI: 10.3390/ijms25021015] [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: 11/16/2023] [Revised: 01/10/2024] [Accepted: 01/11/2024] [Indexed: 01/24/2024] Open
Abstract
Astronauts in space are subject to continuous exposure to ionizing radiation. There is concern about the acute and late-occurring adverse health effects that astronauts could incur following a protracted exposure to the space radiation environment. Therefore, it is vital to consider the current tools and models used to describe and study the organic consequences of ionizing radiation exposure. It is equally important to see where these models could be improved. Historically, radiobiological models focused on how radiation damages nuclear deoxyribonucleic acid (DNA) and the role DNA repair mechanisms play in resulting biological effects, building on the hypotheses of Crowther and Lea from the 1940s and 1960s, and they neglected other subcellular targets outside of nuclear DNA. The development of these models and the current state of knowledge about radiation effects impacting astronauts in orbit, as well as how the radiation environment and cellular microenvironment are incorporated into these radiobiological models, aid our understanding of the influence space travel may have on astronaut health. It is vital to consider the current tools and models used to describe the organic consequences of ionizing radiation exposure and identify where they can be further improved.
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Affiliation(s)
- Nousha Afshari
- Department of Physics and Astronomy, Louisiana State University, Baton Rouge, LA 70803, USA; (N.A.); (W.N.)
| | - Igor Koturbash
- Department of Environmental Health Sciences, Fay W. Boozman College of Public Health, University of Arkansas for Medical Sciences, Little Rock, AR 72205, USA;
| | - Marjan Boerma
- Division of Radiation Health, Department of Pharmaceutical Sciences, College of Pharmacy, University of Arkansas for Medical Sciences, Little Rock, AR 72205, USA;
| | - Wayne Newhauser
- Department of Physics and Astronomy, Louisiana State University, Baton Rouge, LA 70803, USA; (N.A.); (W.N.)
| | - Maria Kratz
- Department of Biological and Agricultural Engineering, Louisiana State University, Baton Rouge, LA 70803, USA;
| | - Jeffrey Willey
- Department of Radiation Oncology, Wake Forest School of Medicine, Winston-Salem, NC 27101, USA;
| | - Jacqueline Williams
- School of Medicine and Dentistry, University of Rochester Medical Center, Rochester, NY 14642, USA;
| | - Jeffery Chancellor
- Department of Physics and Astronomy, Louisiana State University, Baton Rouge, LA 70803, USA; (N.A.); (W.N.)
- Department of Preventive Medicine and Population Health, University of Texas Medical Branch, Galveston, TX 77555, USA
- Outer Space Institute, University of British Columbia, Vancouver, BC V6T 1Z4, Canada
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13
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Malatesta P, Kyriakidis K, Hada M, Ikeda H, Takahashi A, Saganti PB, Georgakilas AG, Michalopoulos I. Differential Gene Expression in Human Fibroblasts Simultaneously Exposed to Ionizing Radiation and Simulated Microgravity. Biomolecules 2024; 14:88. [PMID: 38254688 PMCID: PMC10812944 DOI: 10.3390/biom14010088] [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: 10/04/2023] [Revised: 12/23/2023] [Accepted: 01/04/2024] [Indexed: 01/24/2024] Open
Abstract
During future space missions, astronauts will be exposed to cosmic radiation and microgravity (μG), which are known to be health risk factors. To examine the differentially expressed genes (DEG) and their prevalent biological processes and pathways as a response to these two risk factors simultaneously, 1BR-hTERT human fibroblast cells were cultured under 1 gravity (1G) or simulated μG for 48 h in total and collected at 0 (sham irradiated), 3 or 24 h after 1 Gy of X-ray or Carbon-ion (C-ion) irradiation. A three-dimensional clinostat was used for the simulation of μG and the simultaneous radiation exposure of the samples. The RNA-seq method was used to produce lists of differentially expressed genes between different environmental conditions. Over-representation analyses were performed and the enriched biological pathways and targeting transcription factors were identified. Comparing sham-irradiated cells under simulated μG and 1G conditions, terms related to response to oxygen levels and muscle contraction were identified. After irradiation with X-rays or C-ions under 1G, identified DEGs were found to be involved in DNA damage repair, signal transduction by p53 class mediator, cell cycle arrest and apoptosis pathways. The same enriched pathways emerged when cells were irradiated under simulated μG condition. Nevertheless, the combined effect attenuated the transcriptional response to irradiation which may pose a subtle risk in space flights.
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Affiliation(s)
- Polina Malatesta
- Center of Systems Biology, Biomedical Research Foundation of the Academy of Athens, 11527 Athens, Greece; (P.M.); (K.K.)
- DNA Damage Laboratory, Physics Department, School of Applied Mathematical and Physical Sciences, National Technical University of Athens, 15780 Athens, Greece
| | - Konstantinos Kyriakidis
- Center of Systems Biology, Biomedical Research Foundation of the Academy of Athens, 11527 Athens, Greece; (P.M.); (K.K.)
- Laboratory of Pharmacology, School of Pharmacy, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece
- UC Santa Cruz Genomics Institute, Santa Cruz, CA 95060, USA
| | - Megumi Hada
- Radiation Institute for Science & Engineering, Prairie View A&M University, Prairie View, TX 77446, USA; (M.H.); (P.B.S.)
| | - Hiroko Ikeda
- Department of Life Science, Faculty of Science and Engineering, Kindai University, Higashiosaka 577-8502, Japan;
| | - Akihisa Takahashi
- Gunma University Heavy Ion Medical Center, Maebashi 371-8511, Japan;
| | - Premkumar B. Saganti
- Radiation Institute for Science & Engineering, Prairie View A&M University, Prairie View, TX 77446, USA; (M.H.); (P.B.S.)
| | - Alexandros G. Georgakilas
- DNA Damage Laboratory, Physics Department, School of Applied Mathematical and Physical Sciences, National Technical University of Athens, 15780 Athens, Greece
| | - Ioannis Michalopoulos
- Center of Systems Biology, Biomedical Research Foundation of the Academy of Athens, 11527 Athens, Greece; (P.M.); (K.K.)
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14
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Vasilopoulos SN, Güner H, Uça Apaydın M, Pavlopoulou A, Georgakilas AG. Dual Targeting of DNA Damage Response Proteins Implicated in Cancer Radioresistance. Genes (Basel) 2023; 14:2227. [PMID: 38137049 PMCID: PMC10742610 DOI: 10.3390/genes14122227] [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: 11/26/2023] [Revised: 12/13/2023] [Accepted: 12/13/2023] [Indexed: 12/24/2023] Open
Abstract
Ionizing radiation can induce different types of DNA lesions, leading to genomic instability and ultimately cell death. Radiation therapy or radiotherapy, a major modality in cancer treatment, harnesses the genotoxic potential of radiation to target and destroy cancer cells. Nevertheless, cancer cells have the capacity to develop resistance to radiation treatment (radioresistance), which poses a major obstacle in the effective management of cancer. It has been shown that administration of platinum-based drugs to cancer patients can increase tumor radiosensitivity, but despite this, it is associated with severe adverse effects. Several lines of evidence support that activation of the DNA damage response and repair machinery in the irradiated cancer cells enhances radioresistance and cellular survival through the efficient repair of DNA lesions. Therefore, targeting of key DNA damage repair factors would render cancer cells vulnerable to the irradiation effects, increase cancer cell killing, and reduce the risk of side effects on healthy tissue. Herein, we have employed a computer-aided drug design approach for generating ab initio a chemical compound with drug-like properties potentially targeting two proteins implicated in multiple DNA repair pathways. The findings of this study could be taken into consideration in clinical decision-making in terms of co-administering radiation with DNA damage repair factor-based drugs.
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Affiliation(s)
- Spyridon N. Vasilopoulos
- DNA Damage Laboratory, Physics Department, School of Applied Mathematical and Physical Sciences, National Technical University of Athens (NTUA), Zografou Campus, 15780 Athens, Greece;
- Department of Science and Mathematics, Deree-The American College of Greece, 6 Gravias Street, 15342 Athens, Greece
| | - Hüseyin Güner
- Izmir Biomedicine and Genome Center (IBG), 35340 Izmir, Turkey; (H.G.); (M.U.A.)
- Izmir International Biomedicine and Genome Institute, Dokuz Eylül University, 35340 Izmir, Turkey
- Department of Molecular Biology and Genetics, Faculty of Life and Natural Science, Abdullah Gül University, 38080 Kayseri, Turkey
| | - Merve Uça Apaydın
- Izmir Biomedicine and Genome Center (IBG), 35340 Izmir, Turkey; (H.G.); (M.U.A.)
- Izmir International Biomedicine and Genome Institute, Dokuz Eylül University, 35340 Izmir, Turkey
| | - Athanasia Pavlopoulou
- Izmir Biomedicine and Genome Center (IBG), 35340 Izmir, Turkey; (H.G.); (M.U.A.)
- Izmir International Biomedicine and Genome Institute, Dokuz Eylül University, 35340 Izmir, Turkey
| | - Alexandros G. Georgakilas
- DNA Damage Laboratory, Physics Department, School of Applied Mathematical and Physical Sciences, National Technical University of Athens (NTUA), Zografou Campus, 15780 Athens, Greece;
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15
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Coll RP, Bright SJ, Martinus DKJ, Georgiou DK, Sawakuchi GO, Manning HC. Alpha Particle-Emitting Radiopharmaceuticals as Cancer Therapy: Biological Basis, Current Status, and Future Outlook for Therapeutics Discovery. Mol Imaging Biol 2023; 25:991-1019. [PMID: 37845582 DOI: 10.1007/s11307-023-01857-y] [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: 06/26/2023] [Revised: 09/03/2023] [Accepted: 09/05/2023] [Indexed: 10/18/2023]
Abstract
Critical advances in radionuclide therapy have led to encouraging new options for cancer treatment through the pairing of clinically useful radiation-emitting radionuclides and innovative pharmaceutical discovery. Of the various subatomic particles used in therapeutic radiopharmaceuticals, alpha (α) particles show great promise owing to their relatively large size, delivered energy, finite pathlength, and resulting ionization density. This review discusses the therapeutic benefits of α-emitting radiopharmaceuticals and their pairing with appropriate diagnostics, resulting in innovative "theranostic" platforms. Herein, the current landscape of α particle-emitting radionuclides is described with an emphasis on their use in theranostic development for cancer treatment. Commonly studied radionuclides are introduced and recent efforts towards their production for research and clinical use are described. The growing popularity of these radionuclides is explained through summarizing the biological effects of α radiation on cancer cells, which include DNA damage, activation of discrete cell death programs, and downstream immune responses. Examples of efficient α-theranostic design are described with an emphasis on strategies that lead to cellular internalization and the targeting of proteins involved in therapeutic resistance. Historical barriers to the clinical deployment of α-theranostic radiopharmaceuticals are also discussed. Recent progress towards addressing these challenges is presented along with examples of incorporating α-particle therapy in pharmaceutical platforms that can be easily converted into diagnostic counterparts.
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Affiliation(s)
- Ryan P Coll
- Department of Cancer Systems Imaging, The University of Texas MD Anderson Cancer Center, 1881 East Rd, Houston, TX, 77054, USA
| | - Scott J Bright
- Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, 6565 MD Anderson Blvd, Houston, TX, 77030, USA
| | - David K J Martinus
- Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, 6565 MD Anderson Blvd, Houston, TX, 77030, USA
| | - Dimitra K Georgiou
- Department of Cancer Systems Imaging, The University of Texas MD Anderson Cancer Center, 1881 East Rd, Houston, TX, 77054, USA
| | - Gabriel O Sawakuchi
- Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, 6565 MD Anderson Blvd, Houston, TX, 77030, USA
| | - H Charles Manning
- Department of Cancer Systems Imaging, The University of Texas MD Anderson Cancer Center, 1881 East Rd, Houston, TX, 77054, USA.
- Cyclotron Radiochemistry Facility, The University of Texas MD Anderson Cancer Center, 1881 East Rd, Houston, TX, 77054, USA.
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16
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Tornyi I, Árkosy P, Horváth I, Furka A. A new perspective on the proper timing of radiotherapy during CDK4/6 inhibitor therapy in patients with "bone-only" metastatic breast cancer. Pathol Oncol Res 2023; 29:1611369. [PMID: 37886029 PMCID: PMC10598277 DOI: 10.3389/pore.2023.1611369] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/23/2023] [Accepted: 09/25/2023] [Indexed: 10/28/2023]
Abstract
The vast majority of hormone positive and HER2 negative advanced breast cancers can be controlled well by endocrine therapy combined with the groundbreaking use of CDK4/6 inhibitors in the metastatic first-line setting. Approximately 50%-60% of these patients have "bone-only" metastatic disease. In oligometastatic cases or if a certain number of uncontrolled lesions develop during the aforementioned therapy, ablative radiotherapy can be delivered or, in symptomatic cases, urgent irradiation is needed with palliative intent. To achieve the most effective results, parallel with good quality of life, the timing of radiotherapy must be determined precisely, taking into account that different cell cycles are involved during different treatment modalities; therefore, optimization of treatment schedules ensures longer and safer post-progression overall survival. The key question is whether the two treatment modalities are safe concurrently or whether they should be administered separately, and if so, what is the optimal sequence and why? This manuscript aims to answer this important question, with a focus on quality of life. Existing publications focus on safety and toxicity profiles, and efficacy is detailed only tangentially and minimally.
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Affiliation(s)
- Ilona Tornyi
- Department of Pulmonology, Faculty of Medicine, University of Debrecen, Debrecen, Hungary
| | - Peter Árkosy
- Department of Oncology, Faculty of Medicine, University of Debrecen, Debrecen, Hungary
| | - Ildikó Horváth
- Department of Pulmonology, Faculty of Medicine, University of Debrecen, Debrecen, Hungary
| | - Andrea Furka
- Department of Oncology, Faculty of Medicine, University of Debrecen, Debrecen, Hungary
- Department of Clinical Radiology, Faculty of Health Care, Institute of Practical Methodology and Diagnostics, University of Miskolc, Miskolc, Hungary
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17
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Gerken LRH, Gerdes ME, Pruschy M, Herrmann IK. Prospects of nanoparticle-based radioenhancement for radiotherapy. MATERIALS HORIZONS 2023; 10:4059-4082. [PMID: 37555747 PMCID: PMC10544071 DOI: 10.1039/d3mh00265a] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/21/2023] [Accepted: 08/02/2023] [Indexed: 08/10/2023]
Abstract
Radiotherapy is a key pillar of solid cancer treatment. Despite a high level of conformal dose deposition, radiotherapy is limited due to co-irradiation of organs at risk and subsequent normal tissue toxicities. Nanotechnology offers an attractive opportunity for increasing the efficacy and safety of cancer radiotherapy. Leveraging the freedom of design and the growing synthetic capabilities of the nanomaterial-community, a variety of engineered nanomaterials have been designed and investigated as radiosensitizers or radioenhancers. While research so far has been primarily focused on gold nanoparticles and other high atomic number materials to increase the absorption cross section of tumor tissue, recent studies are challenging the traditional concept of high-Z nanoparticle radioenhancers and highlight the importance of catalytic activity. This review provides a concise overview on the knowledge of nanoparticle radioenhancement mechanisms and their quantification. It critically discusses potential radioenhancer candidate materials and general design criteria for different radiation therapy modalities, and concludes with research priorities in order to advance the development of nanomaterials, to enhance the efficacy of radiotherapy and to increase at the same time the therapeutic window.
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Affiliation(s)
- Lukas R H Gerken
- Nanoparticle Systems Engineering Laboratory, Institute of Energy and Process Engineering (IEPE), Department of Mechanical and Process Engineering (D-MAVT), ETH Zurich, Sonneggstrasse 3, 8092 Zurich, Switzerland.
- Particles-Biology Interactions Laboratory, Department of Materials Meet Life, Swiss Federal Laboratories for Materials Science and Technology (Empa), Lerchenfeldstrasse 5, 9014 St. Gallen, Switzerland
| | - Maren E Gerdes
- Karolinska Institutet, Solnavägen 1, 171 77 Stockholm, Sweden
| | - Martin Pruschy
- Laboratory for Applied Radiobiology, Department of Radiation Oncology, University Hospital Zurich, University of Zurich, Winterthurerstrasse 190, 8057, Zurich, Switzerland
| | - Inge K Herrmann
- Nanoparticle Systems Engineering Laboratory, Institute of Energy and Process Engineering (IEPE), Department of Mechanical and Process Engineering (D-MAVT), ETH Zurich, Sonneggstrasse 3, 8092 Zurich, Switzerland.
- Particles-Biology Interactions Laboratory, Department of Materials Meet Life, Swiss Federal Laboratories for Materials Science and Technology (Empa), Lerchenfeldstrasse 5, 9014 St. Gallen, Switzerland
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18
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Tartas A, Lundholm L, Scherthan H, Wojcik A, Brzozowska B. The order of sequential exposure of U2OS cells to gamma and alpha radiation influences the formation and decay dynamics of NBS1 foci. PLoS One 2023; 18:e0286902. [PMID: 37307266 DOI: 10.1371/journal.pone.0286902] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2023] [Accepted: 05/25/2023] [Indexed: 06/14/2023] Open
Abstract
DNA double strand breaks (DSBs) are a deleterious form of DNA damage. Densely ionising alpha radiation predominantly induces complex DSBs and sparsely ionising gamma radiation-simple DSBs. We have shown that alphas and gammas, when applied simultaneously, interact in producing a higher DNA damage response (DDR) than predicted by additivity. The mechanisms of the interaction remain obscure. The present study aimed at testing whether the sequence of exposure to alphas and gammas has an impact on the DDR, visualised by live NBS1-GFP (green fluorescent protein) focus dynamics in U2OS cells. Focus formation, decay, intensity and mobility were analysed up to 5 h post exposure. Focus frequencies directly after sequential alpha → gamma and gamma → alpha exposure were similar to gamma alone, but gamma → alpha foci quickly declined below the expected values. Focus intensities and areas following alpha alone and alpha → gamma were larger than after gamma alone and gamma → alpha. Focus movement was most strongly attenuated by alpha → gamma. Overall, sequential alpha → gamma exposure induced the strongest change in characteristics and dynamics of NBS1-GFP foci. Possible explanation is that activation of the DDR is stronger when alpha-induced DNA damage precedes gamma-induced DNA damage.
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Affiliation(s)
- Adrianna Tartas
- Biomedical Physics Division, Faculty of Physics, University of Warsaw, Warsaw, Poland
- Department of Molecular Biosciences, The Wenner-Gren Institute, Stockholm University, Stockholm, Sweden
| | - Lovisa Lundholm
- Department of Molecular Biosciences, The Wenner-Gren Institute, Stockholm University, Stockholm, Sweden
| | - Harry Scherthan
- Bundeswehr Institute of Radiobiology Affiliated to the Univ. of Ulm, Munich, Germany
| | - Andrzej Wojcik
- Department of Molecular Biosciences, The Wenner-Gren Institute, Stockholm University, Stockholm, Sweden
- Institute of Biology, Jan Kochanowski University, Kielce, Poland
| | - Beata Brzozowska
- Biomedical Physics Division, Faculty of Physics, University of Warsaw, Warsaw, Poland
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Guo S, Yao Y, Tang Y, Xin Z, Wu D, Ni C, Huang J, Wei Q, Zhang T. Radiation-induced tumor immune microenvironments and potential targets for combination therapy. Signal Transduct Target Ther 2023; 8:205. [PMID: 37208386 DOI: 10.1038/s41392-023-01462-z] [Citation(s) in RCA: 16] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2022] [Revised: 03/21/2023] [Accepted: 04/27/2023] [Indexed: 05/21/2023] Open
Abstract
As one of the four major means of cancer treatment including surgery, radiotherapy (RT), chemotherapy, immunotherapy, RT can be applied to various cancers as both a radical cancer treatment and an adjuvant treatment before or after surgery. Although RT is an important modality for cancer treatment, the consequential changes caused by RT in the tumor microenvironment (TME) have not yet been fully elucidated. RT-induced damage to cancer cells leads to different outcomes, such as survival, senescence, or death. During RT, alterations in signaling pathways result in changes in the local immune microenvironment. However, some immune cells are immunosuppressive or transform into immunosuppressive phenotypes under specific conditions, leading to the development of radioresistance. Patients who are radioresistant respond poorly to RT and may experience cancer progression. Given that the emergence of radioresistance is inevitable, new radiosensitization treatments are urgently needed. In this review, we discuss the changes in irradiated cancer cells and immune cells in the TME under different RT regimens and describe existing and potential molecules that could be targeted to improve the therapeutic effects of RT. Overall, this review highlights the possibilities of synergistic therapy by building on existing research.
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Affiliation(s)
- Siyu Guo
- Department of Radiation Oncology, Second Affiliated Hospital, Zhejiang University School of Medicine, Zhejiang University, Hangzhou, China
- Key Laboratory of Tumor Microenvironment and Immune Therapy of Zhejiang Province, Second Affiliated Hospital, Zhejiang University School of Medicine, Zhejiang University, Hangzhou, China
- Cancer Institute (Key Laboratory of Cancer Prevention and Intervention, National Ministry of Education), Second Affiliated Hospital, Zhejiang University School of Medicine, Zhejiang University, Hangzhou, China
- Cancer Center, Zhejiang University, Hangzhou, China
| | - Yihan Yao
- Key Laboratory of Tumor Microenvironment and Immune Therapy of Zhejiang Province, Second Affiliated Hospital, Zhejiang University School of Medicine, Zhejiang University, Hangzhou, China
- Cancer Institute (Key Laboratory of Cancer Prevention and Intervention, National Ministry of Education), Second Affiliated Hospital, Zhejiang University School of Medicine, Zhejiang University, Hangzhou, China
| | - Yang Tang
- Key Laboratory of Tumor Microenvironment and Immune Therapy of Zhejiang Province, Second Affiliated Hospital, Zhejiang University School of Medicine, Zhejiang University, Hangzhou, China
- Cancer Institute (Key Laboratory of Cancer Prevention and Intervention, National Ministry of Education), Second Affiliated Hospital, Zhejiang University School of Medicine, Zhejiang University, Hangzhou, China
| | - Zengfeng Xin
- Department of Orthopedic Surgery, Second Affiliated Hospital, Zhejiang University School of Medicine, Zhejiang University, Hangzhou, China
| | - Dang Wu
- Department of Radiation Oncology, Second Affiliated Hospital, Zhejiang University School of Medicine, Zhejiang University, Hangzhou, China
- Key Laboratory of Tumor Microenvironment and Immune Therapy of Zhejiang Province, Second Affiliated Hospital, Zhejiang University School of Medicine, Zhejiang University, Hangzhou, China
- Cancer Institute (Key Laboratory of Cancer Prevention and Intervention, National Ministry of Education), Second Affiliated Hospital, Zhejiang University School of Medicine, Zhejiang University, Hangzhou, China
- Cancer Center, Zhejiang University, Hangzhou, China
| | - Chao Ni
- Key Laboratory of Tumor Microenvironment and Immune Therapy of Zhejiang Province, Second Affiliated Hospital, Zhejiang University School of Medicine, Zhejiang University, Hangzhou, China
- Cancer Institute (Key Laboratory of Cancer Prevention and Intervention, National Ministry of Education), Second Affiliated Hospital, Zhejiang University School of Medicine, Zhejiang University, Hangzhou, China
- Cancer Center, Zhejiang University, Hangzhou, China
- Department of Breast Surgery, Second Affiliated Hospital, Zhejiang University School of Medicine, Zhejiang University, Hangzhou, China
| | - Jian Huang
- Key Laboratory of Tumor Microenvironment and Immune Therapy of Zhejiang Province, Second Affiliated Hospital, Zhejiang University School of Medicine, Zhejiang University, Hangzhou, China.
- Cancer Institute (Key Laboratory of Cancer Prevention and Intervention, National Ministry of Education), Second Affiliated Hospital, Zhejiang University School of Medicine, Zhejiang University, Hangzhou, China.
- Cancer Center, Zhejiang University, Hangzhou, China.
- Department of Breast Surgery, Second Affiliated Hospital, Zhejiang University School of Medicine, Zhejiang University, Hangzhou, China.
| | - Qichun Wei
- Department of Radiation Oncology, Second Affiliated Hospital, Zhejiang University School of Medicine, Zhejiang University, Hangzhou, China.
- Key Laboratory of Tumor Microenvironment and Immune Therapy of Zhejiang Province, Second Affiliated Hospital, Zhejiang University School of Medicine, Zhejiang University, Hangzhou, China.
- Cancer Institute (Key Laboratory of Cancer Prevention and Intervention, National Ministry of Education), Second Affiliated Hospital, Zhejiang University School of Medicine, Zhejiang University, Hangzhou, China.
| | - Ting Zhang
- Department of Radiation Oncology, Second Affiliated Hospital, Zhejiang University School of Medicine, Zhejiang University, Hangzhou, China.
- Key Laboratory of Tumor Microenvironment and Immune Therapy of Zhejiang Province, Second Affiliated Hospital, Zhejiang University School of Medicine, Zhejiang University, Hangzhou, China.
- Cancer Institute (Key Laboratory of Cancer Prevention and Intervention, National Ministry of Education), Second Affiliated Hospital, Zhejiang University School of Medicine, Zhejiang University, Hangzhou, China.
- Cancer Center, Zhejiang University, Hangzhou, China.
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20
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Mechetin GV, Zharkov DO. DNA Damage Response and Repair in Boron Neutron Capture Therapy. Genes (Basel) 2023; 14:127. [PMID: 36672868 PMCID: PMC9859301 DOI: 10.3390/genes14010127] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2022] [Revised: 12/28/2022] [Accepted: 12/29/2022] [Indexed: 01/03/2023] Open
Abstract
Boron neutron capture therapy (BNCT) is an approach to the radiotherapy of solid tumors that was first outlined in the 1930s but has attracted considerable attention recently with the advent of a new generation of neutron sources. In BNCT, tumor cells accumulate 10B atoms that react with epithermal neutrons, producing energetic α particles and 7Li atoms that damage the cell's genome. The damage inflicted by BNCT appears not to be easily repairable and is thus lethal for the cell; however, the molecular events underlying the action of BNCT remain largely unaddressed. In this review, the chemistry of DNA damage during BNCT is outlined, the major mechanisms of DNA break sensing and repair are summarized, and the specifics of the repair of BNCT-induced DNA lesions are discussed.
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Affiliation(s)
- Grigory V. Mechetin
- Department of Natural Sciences, Novosibirsk State University, 2 Pirogova St., 630090 Novosibirsk, Russia
- Siberian Branch of the Russian Academy of Sciences Institute of Chemical Biology and Fundamental Medicine, 8 Lavrentieva Ave., 630090 Novosibirsk, Russia
| | - Dmitry O. Zharkov
- Department of Natural Sciences, Novosibirsk State University, 2 Pirogova St., 630090 Novosibirsk, Russia
- Siberian Branch of the Russian Academy of Sciences Institute of Chemical Biology and Fundamental Medicine, 8 Lavrentieva Ave., 630090 Novosibirsk, Russia
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21
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Huang CY, Lai ZY, Hsu TJ, Chou FI, Liu HM, Chuang YJ. Boron Neutron Capture Therapy Eliminates Radioresistant Liver Cancer Cells by Targeting DNA Damage and Repair Responses. J Hepatocell Carcinoma 2022; 9:1385-1401. [PMID: 36600987 PMCID: PMC9807134 DOI: 10.2147/jhc.s383959] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2022] [Accepted: 12/04/2022] [Indexed: 12/29/2022] Open
Abstract
Introduction For advanced hepatocellular carcinoma (HCC), resistance to conservative treatments remains a challenge. In previous studies, the therapeutic effectiveness and DNA damage responses of boric acid-mediated boron neutron capture therapy (BA-BNCT) in HCC have been demonstrated in animal models and HCC cell line. On the other hand, numerous studies have shown that high linear energy transfer (LET) radiation can overcome tumor resistance. Since BNCT yields a mixture of high and low LET radiation, we aimed to explore whether and how BA-BNCT could eliminate radioresistant HCC cells. Methods Radioresistant human HCC (HepG2-R) cells were established from HepG2 cells via intermittent irradiation. HepG2 and HepG2-R cells were then irradiated with either γ-ray or neutron radiation of BA-BNCT. Colony formation assays were used to assess cell survival and the relative biological effectiveness (RBE). The expression of phosphorylated H2AX (γH2AX) was also examined by immunocytochemistry and Western blot assays to evaluate the extent of DNA double-strand breaks (DSBs). Finally, the expression levels of DNA damage response-associated proteins were determined, followed by cell cycle analysis and caspase-3 activity analysis. Results Our data demonstrated that under the same dose by γ-ray, BNCT effectively eliminated radioresistant HCC by increasing the number of DNA DSBs (p < 0.05) and impeding their repair (p < 0.05), which verified the high RBE of BNCT. We also found that BNCT resulted in delayed homologous recombination (HR) and inhibited the nonhomologous end-joining (NHEJ) pathway during DNA repair. Markedly, BNCT increased cell arrest (p < 0.05) in the G2/M phase by altering G2 checkpoint signaling and increased PUMA-mediated apoptosis (p < 0.05). Conclusion Our data suggest that DNA damage and repair responses could affect the anticancer efficiency of BNCT in radioresistant HepG2-R cells, which highlights the potential of BNCT as a viable treatment option for recurrent HCC.
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Affiliation(s)
- Chu-Yu Huang
- School of Medicine, National Tsing Hua University, Hsinchu, Taiwan,Institute of Bioinformatics and Structural Biology, National Tsing Hua University, Hsinchu, Taiwan,Nuclear Science and Technology Development Center, National Tsing Hua University, Hsinchu, Taiwan
| | - Zih-Yin Lai
- School of Medicine, National Tsing Hua University, Hsinchu, Taiwan,Institute of Bioinformatics and Structural Biology, National Tsing Hua University, Hsinchu, Taiwan,Nuclear Science and Technology Development Center, National Tsing Hua University, Hsinchu, Taiwan
| | - Tzu-Jung Hsu
- School of Medicine, National Tsing Hua University, Hsinchu, Taiwan,Institute of Bioinformatics and Structural Biology, National Tsing Hua University, Hsinchu, Taiwan,Nuclear Science and Technology Development Center, National Tsing Hua University, Hsinchu, Taiwan
| | - Fong-In Chou
- Nuclear Science and Technology Development Center, National Tsing Hua University, Hsinchu, Taiwan
| | - Hong-Ming Liu
- Nuclear Science and Technology Development Center, National Tsing Hua University, Hsinchu, Taiwan
| | - Yung-Jen Chuang
- School of Medicine, National Tsing Hua University, Hsinchu, Taiwan,Institute of Bioinformatics and Structural Biology, National Tsing Hua University, Hsinchu, Taiwan,Nuclear Science and Technology Development Center, National Tsing Hua University, Hsinchu, Taiwan,Correspondence: Yung-Jen Chuang, School of Medicine, National Tsing Hua University, Hsinchu, 300044, Taiwan, Tel +886-3-5742764, Fax +886-3-5715934, Email
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22
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Du TQ, Liu R, Zhang Q, Luo H, Chen Y, Tan M, Wang Q, Wu X, Liu Z, Sun S, Yang K, Tian J, Wang X. Does particle radiation have superior radiobiological advantages for prostate cancer cells? A systematic review of in vitro studies. Eur J Med Res 2022; 27:306. [PMID: 36572945 PMCID: PMC9793637 DOI: 10.1186/s40001-022-00942-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2022] [Accepted: 12/07/2022] [Indexed: 12/27/2022] Open
Abstract
BACKGROUND Charged particle beams from protons to carbon ions provide many significant physical benefits in radiation therapy. However, preclinical studies of charged particle therapy for prostate cancer are extremely limited. The aim of this study was to comprehensively investigate the biological effects of charged particles on prostate cancer from the perspective of in vitro studies. METHODS We conducted a systematic review by searching EMBASE (OVID), Medline (OVID), and Web of Science databases to identify the publications assessing the radiobiological effects of charged particle irradiation on prostate cancer cells. The data of relative biological effectiveness (RBE), surviving fraction (SF), standard enhancement ratio (SER) and oxygen enhancement ratio (OER) were extracted. RESULTS We found 12 studies met the eligible criteria. The relative biological effectiveness values of proton and carbon ion irradiation ranged from 0.94 to 1.52, and 1.67 to 3.7, respectively. Surviving fraction of 2 Gy were 0.17 ± 0.12, 0.55 ± 0.20 and 0.53 ± 0.16 in carbon ion, proton, and photon irradiation, respectively. PNKP inhibitor and gold nanoparticles were favorable sensitizing agents, while it was presented poorer performance in GANT61. The oxygen enhancement ratio values of photon and carbon ion irradiation were 2.32 ± 0.04, and 1.77 ± 0.13, respectively. Charged particle irradiation induced more G0-/G1- or G2-/M-phase arrest, more expression of γ-H2AX, more apoptosis, and lower motility and/or migration ability than photon irradiation. CONCLUSIONS Both carbon ion and proton irradiation have advantages over photon irradiation in radiobiological effects on prostate cancer cell lines. Carbon ion irradiation seems to have further advantages over proton irradiation.
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Affiliation(s)
- Tian-Qi Du
- grid.9227.e0000000119573309Institute of Modern Physics, Chinese Academy of Sciences, 509 Nanchang Rd, Lanzhou, 730000 Gansu People’s Republic of China ,grid.32566.340000 0000 8571 0482The First School of Clinical Medicine, Lanzhou University, Lanzhou, Gansu People’s Republic of China
| | - Ruifeng Liu
- grid.9227.e0000000119573309Institute of Modern Physics, Chinese Academy of Sciences, 509 Nanchang Rd, Lanzhou, 730000 Gansu People’s Republic of China ,grid.410726.60000 0004 1797 8419Graduate School, University of Chinese Academy of Sciences, Beijing, People’s Republic of China ,Heavy Ion Therapy Center, Lanzhou Heavy Ion Hospital, Lanzhou, Gansu People’s Republic of China
| | - Qiuning Zhang
- grid.9227.e0000000119573309Institute of Modern Physics, Chinese Academy of Sciences, 509 Nanchang Rd, Lanzhou, 730000 Gansu People’s Republic of China ,grid.410726.60000 0004 1797 8419Graduate School, University of Chinese Academy of Sciences, Beijing, People’s Republic of China ,Heavy Ion Therapy Center, Lanzhou Heavy Ion Hospital, Lanzhou, Gansu People’s Republic of China
| | - Hongtao Luo
- grid.9227.e0000000119573309Institute of Modern Physics, Chinese Academy of Sciences, 509 Nanchang Rd, Lanzhou, 730000 Gansu People’s Republic of China ,grid.410726.60000 0004 1797 8419Graduate School, University of Chinese Academy of Sciences, Beijing, People’s Republic of China ,Heavy Ion Therapy Center, Lanzhou Heavy Ion Hospital, Lanzhou, Gansu People’s Republic of China
| | - Yanliang Chen
- grid.9227.e0000000119573309Institute of Modern Physics, Chinese Academy of Sciences, 509 Nanchang Rd, Lanzhou, 730000 Gansu People’s Republic of China ,grid.32566.340000 0000 8571 0482The First School of Clinical Medicine, Lanzhou University, Lanzhou, Gansu People’s Republic of China
| | - Mingyu Tan
- grid.9227.e0000000119573309Institute of Modern Physics, Chinese Academy of Sciences, 509 Nanchang Rd, Lanzhou, 730000 Gansu People’s Republic of China ,grid.32566.340000 0000 8571 0482The First School of Clinical Medicine, Lanzhou University, Lanzhou, Gansu People’s Republic of China
| | - Qian Wang
- grid.9227.e0000000119573309Institute of Modern Physics, Chinese Academy of Sciences, 509 Nanchang Rd, Lanzhou, 730000 Gansu People’s Republic of China ,grid.32566.340000 0000 8571 0482The First School of Clinical Medicine, Lanzhou University, Lanzhou, Gansu People’s Republic of China
| | - Xun Wu
- grid.9227.e0000000119573309Institute of Modern Physics, Chinese Academy of Sciences, 509 Nanchang Rd, Lanzhou, 730000 Gansu People’s Republic of China ,grid.32566.340000 0000 8571 0482The First School of Clinical Medicine, Lanzhou University, Lanzhou, Gansu People’s Republic of China
| | - Zhiqiang Liu
- grid.9227.e0000000119573309Institute of Modern Physics, Chinese Academy of Sciences, 509 Nanchang Rd, Lanzhou, 730000 Gansu People’s Republic of China ,grid.410726.60000 0004 1797 8419Graduate School, University of Chinese Academy of Sciences, Beijing, People’s Republic of China ,Heavy Ion Therapy Center, Lanzhou Heavy Ion Hospital, Lanzhou, Gansu People’s Republic of China
| | - Shilong Sun
- grid.9227.e0000000119573309Institute of Modern Physics, Chinese Academy of Sciences, 509 Nanchang Rd, Lanzhou, 730000 Gansu People’s Republic of China ,grid.410726.60000 0004 1797 8419Graduate School, University of Chinese Academy of Sciences, Beijing, People’s Republic of China ,Heavy Ion Therapy Center, Lanzhou Heavy Ion Hospital, Lanzhou, Gansu People’s Republic of China
| | - Kehu Yang
- grid.32566.340000 0000 8571 0482Evidence-Based Medicine Center, School of Basic Medical Sciences, Lanzhou University, Lanzhou, Gansu People’s Republic of China
| | - Jinhui Tian
- grid.32566.340000 0000 8571 0482Evidence-Based Medicine Center, School of Basic Medical Sciences, Lanzhou University, Lanzhou, Gansu People’s Republic of China
| | - Xiaohu Wang
- grid.9227.e0000000119573309Institute of Modern Physics, Chinese Academy of Sciences, 509 Nanchang Rd, Lanzhou, 730000 Gansu People’s Republic of China ,grid.32566.340000 0000 8571 0482The First School of Clinical Medicine, Lanzhou University, Lanzhou, Gansu People’s Republic of China ,grid.410726.60000 0004 1797 8419Graduate School, University of Chinese Academy of Sciences, Beijing, People’s Republic of China ,Heavy Ion Therapy Center, Lanzhou Heavy Ion Hospital, Lanzhou, Gansu People’s Republic of China
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23
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Souli MP, Nikitaki Z, Puchalska M, Brabcová KP, Spyratou E, Kote P, Efstathopoulos EP, Hada M, Georgakilas AG, Sihver L. Clustered DNA Damage Patterns after Proton Therapy Beam Irradiation Using Plasmid DNA. Int J Mol Sci 2022; 23:ijms232415606. [PMID: 36555249 PMCID: PMC9779025 DOI: 10.3390/ijms232415606] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2022] [Revised: 12/02/2022] [Accepted: 12/06/2022] [Indexed: 12/13/2022] Open
Abstract
Modeling ionizing radiation interaction with biological matter is a major scientific challenge, especially for protons that are nowadays widely used in cancer treatment. That presupposes a sound understanding of the mechanisms that take place from the early events of the induction of DNA damage. Herein, we present results of irradiation-induced complex DNA damage measurements using plasmid pBR322 along a typical Proton Treatment Plan at the MedAustron proton and carbon beam therapy facility (energy 137-198 MeV and Linear Energy Transfer (LET) range 1-9 keV/μm), by means of Agarose Gel Electrophoresis and DNA fragmentation using Atomic Force Microscopy (AFM). The induction rate Mbp-1 Gy-1 for each type of damage, single strand breaks (SSBs), double-strand breaks (DSBs), base lesions and non-DSB clusters was measured after irradiations in solutions with varying scavenging capacity containing 2-amino-2-(hydroxymethyl)propane-1,3-diol (Tris) and coumarin-3-carboxylic acid (C3CA) as scavengers. Our combined results reveal the determining role of LET and Reactive Oxygen Species (ROS) in DNA fragmentation. Furthermore, AFM used to measure apparent DNA lengths provided us with insights into the role of increasing LET in the induction of highly complex DNA damage.
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Affiliation(s)
- Maria P Souli
- Atominstitut, Technische Universität Wien, 1020 Vienna, Austria
- DNA Damage Laboratory, Physics Department, School of Applied Mathematical and Physical Sciences, National Technical University of Athens, 15780 Athens, Greece
| | - Zacharenia Nikitaki
- Atominstitut, Technische Universität Wien, 1020 Vienna, Austria
- DNA Damage Laboratory, Physics Department, School of Applied Mathematical and Physical Sciences, National Technical University of Athens, 15780 Athens, Greece
| | | | | | - Ellas Spyratou
- 2nd Department of Radiology, Medical School, National and Kapodistrian University of Athens, 11517 Athens, Greece
| | - Panagiotis Kote
- DNA Damage Laboratory, Physics Department, School of Applied Mathematical and Physical Sciences, National Technical University of Athens, 15780 Athens, Greece
| | - Efstathios P Efstathopoulos
- 2nd Department of Radiology, Medical School, National and Kapodistrian University of Athens, 11517 Athens, Greece
| | - Megumi Hada
- Radiation Institute for Science & Engineering, Prairie View A&M University, Prairie View, TX 77446, USA
| | - Alexandros G Georgakilas
- DNA Damage Laboratory, Physics Department, School of Applied Mathematical and Physical Sciences, National Technical University of Athens, 15780 Athens, Greece
| | - Lembit Sihver
- Atominstitut, Technische Universität Wien, 1020 Vienna, Austria
- Nuclear Physics Institute, Czech Academy of Sciences, Na Truhlářce 39/64, 180 86 Prague, Czech Republic
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24
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Sagkrioti E, Biz GM, Takan I, Asfa S, Nikitaki Z, Zanni V, Kars RH, Hellweg CE, Azzam EI, Logotheti S, Pavlopoulou A, Georgakilas AG. Radiation Type- and Dose-Specific Transcriptional Responses across Healthy and Diseased Mammalian Tissues. Antioxidants (Basel) 2022; 11:2286. [PMID: 36421472 PMCID: PMC9687520 DOI: 10.3390/antiox11112286] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2022] [Revised: 11/12/2022] [Accepted: 11/15/2022] [Indexed: 08/30/2023] Open
Abstract
Ionizing radiation (IR) is a genuine genotoxic agent and a major modality in cancer treatment. IR disrupts DNA sequences and exerts mutagenic and/or cytotoxic properties that not only alter critical cellular functions but also impact tissues proximal and distal to the irradiated site. Unveiling the molecular events governing the diverse effects of IR at the cellular and organismal levels is relevant for both radiotherapy and radiation protection. Herein, we address changes in the expression of mammalian genes induced after the exposure of a wide range of tissues to various radiation types with distinct biophysical characteristics. First, we constructed a publicly available database, termed RadBioBase, which will be updated at regular intervals. RadBioBase includes comprehensive transcriptomes of mammalian cells across healthy and diseased tissues that respond to a range of radiation types and doses. Pertinent information was derived from a hybrid analysis based on stringent literature mining and transcriptomic studies. An integrative bioinformatics methodology, including functional enrichment analysis and machine learning techniques, was employed to unveil the characteristic biological pathways related to specific radiation types and their association with various diseases. We found that the effects of high linear energy transfer (LET) radiation on cell transcriptomes significantly differ from those caused by low LET and are consistent with immunomodulation, inflammation, oxidative stress responses and cell death. The transcriptome changes also depend on the dose since low doses up to 0.5 Gy are related with cytokine cascades, while higher doses with ROS metabolism. We additionally identified distinct gene signatures for different types of radiation. Overall, our data suggest that different radiation types and doses can trigger distinct trajectories of cell-intrinsic and cell-extrinsic pathways that hold promise to be manipulated toward improving radiotherapy efficiency and reducing systemic radiotoxicities.
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Affiliation(s)
- Eftychia Sagkrioti
- DNA Damage Laboratory, Physics Department, School of Applied Mathematical and Physical Sciences, National Technical University of Athens (NTUA), Zografou, 15780 Athens, Greece
- Biology Department, National and Kapodistrian University of Athens (NKUA), 15784 Athens, Greece
| | - Gökay Mehmet Biz
- Department of Technical Programs, Izmir Vocational School, Dokuz Eylül University, Buca, Izmir 35380, Turkey
| | - Işıl Takan
- Izmir Biomedicine and Genome Center (IBG), Balcova, Izmir 35340, Turkey
- Izmir International Biomedicine and Genome Institute, Dokuz Eylül University, Balcova, Izmir 35340, Turkey
| | - Seyedehsadaf Asfa
- Izmir Biomedicine and Genome Center (IBG), Balcova, Izmir 35340, Turkey
- Izmir International Biomedicine and Genome Institute, Dokuz Eylül University, Balcova, Izmir 35340, Turkey
| | - Zacharenia Nikitaki
- DNA Damage Laboratory, Physics Department, School of Applied Mathematical and Physical Sciences, National Technical University of Athens (NTUA), Zografou, 15780 Athens, Greece
| | - Vassiliki Zanni
- DNA Damage Laboratory, Physics Department, School of Applied Mathematical and Physical Sciences, National Technical University of Athens (NTUA), Zografou, 15780 Athens, Greece
| | - Rumeysa Hanife Kars
- Department of Biomedical Engineering, Istanbul Medipol University, Istanbul 34810, Turkey
| | - Christine E. Hellweg
- German Aerospace Center (DLR), Institute of Aerospace Medicine, Radiation Biology, Linder Höhe, D-51147 Köln, Germany
| | | | - Stella Logotheti
- DNA Damage Laboratory, Physics Department, School of Applied Mathematical and Physical Sciences, National Technical University of Athens (NTUA), Zografou, 15780 Athens, Greece
| | - Athanasia Pavlopoulou
- Izmir Biomedicine and Genome Center (IBG), Balcova, Izmir 35340, Turkey
- Izmir International Biomedicine and Genome Institute, Dokuz Eylül University, Balcova, Izmir 35340, Turkey
| | - Alexandros G. Georgakilas
- DNA Damage Laboratory, Physics Department, School of Applied Mathematical and Physical Sciences, National Technical University of Athens (NTUA), Zografou, 15780 Athens, Greece
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25
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Track Structure-Based Simulations on DNA Damage Induced by Diverse Isotopes. Int J Mol Sci 2022; 23:ijms232213693. [PMID: 36430172 PMCID: PMC9690858 DOI: 10.3390/ijms232213693] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2022] [Revised: 11/01/2022] [Accepted: 11/04/2022] [Indexed: 11/09/2022] Open
Abstract
Diverse isotopes such as 2H, 3He, 10Be, 11C and 14C occur in nuclear reactions in ion beam radiotherapy, in cosmic ray shielding, or are intentionally accelerated in dating techniques. However, only a few studies have specifically addressed the biological effects of diverse isotopes and were limited to energies of several MeV/u. A database of simulations with the PARTRAC biophysical tool is presented for H, He, Li, Be, B and C isotopes at energies from 0.5 GeV/u down to stopping. The doses deposited to a cell nucleus and also the yields per unit dose of single- and double-strand breaks and their clusters induced in cellular DNA are predicted to vary among diverse isotopes of the same element at energies < 1 MeV/u, especially for isotopes of H and He. The results may affect the risk estimates for astronauts in deep space missions or the models of biological effectiveness of ion beams and indicate that radiation protection in 14C or 10Be dating techniques may be based on knowledge gathered with 12C or 9Be.
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26
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Biological Response of Human Cancer Cells to Ionizing Radiation in Combination with Gold Nanoparticles. Cancers (Basel) 2022; 14:cancers14205086. [PMID: 36291870 PMCID: PMC9600885 DOI: 10.3390/cancers14205086] [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: 09/09/2022] [Revised: 10/07/2022] [Accepted: 10/11/2022] [Indexed: 11/17/2022] Open
Abstract
Simple Summary Various types of metallic nanoparticles and especially gold nanoparticles (AuNPs) have been utilized in radiation studies to enhance the radiosensitization of cancer cells while minimizing detrimental effects in normal tissue. The aim of our study was to investigate the biological responses of various human cancer cells to gold-nanoparticle-induced radiosensitization. This was accomplished by using different AuNPs and several techniques in order to provide valuable insights regarding the multiple adverse biological effects, following ionizing radiation (IR) in combination with AuNPs. Insightful methodologies such as transmission electron microscopy were employed to identify comprehensively the complexity of the biological damage occurrence. Our findings confirm that AuNP radiosensitization may occur due to extensive and/or complex DNA damage, cell death, or cellular senescence. This multiparameter study aims to further elucidate the biological mechanisms and at the same time provide new information regarding the use of AuNPs as radiosensitizers in cancer treatment. Abstract In the context of improving radiation therapy, high-atomic number (Z) metallic nanoparticles and, more importantly, gold-based nanostructures are developed as radiation enhancers/radiosensitizers. Due to the diversity of cell lines, nanoparticles, as well as radiation types or doses, the resulting biological effects may differ and remain obscure. In this multiparameter study, we aim to shed light on these effects and investigate them further by employing X-irradiation and three human cancer cell lines (PC3, A549, and U2OS cells) treated by multiple techniques. TEM experiments on PC3 cells showed that citrate-capped AuNPs were found to be located mostly in membranous structures/vesicles or autophagosomes, but also, in the case of PEG-capped AuNPs, inside the nucleus as well. The colony-forming capability of cancer cells radiosensitized by AuNPs decreased significantly and the DNA damage detected by cytogenetics, γH2AX immunostaining, and by single (γH2AX) or double (γH2AX and OGG1) immunolocalization via transmission electron microscopy (TEM) was in many cases higher and/or persistent after combination with AuNPs than upon individual exposure to ionizing radiation (IR). Moreover, different cell cycle distribution was evident in PC3 but not A549 cells after treatment with AuNPs and/or irradiation. Finally, cellular senescence was investigated by using a newly established staining procedure for lipofuscin, based on a Sudan Black-B analogue (GL13) which showed that based on the AuNPs’ concentration, an increased number of senescent cells might be observed after exposure to IR. Even though different cell lines or different types and concentrations of AuNPs may alter the levels of radiosensitization, our results imply that the complexity of damage might also be an important factor of AuNP-induced radiosensitization.
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27
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Chan Wah Hak CML, Rullan A, Patin EC, Pedersen M, Melcher AA, Harrington KJ. Enhancing anti-tumour innate immunity by targeting the DNA damage response and pattern recognition receptors in combination with radiotherapy. Front Oncol 2022; 12:971959. [PMID: 36106115 PMCID: PMC9465159 DOI: 10.3389/fonc.2022.971959] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2022] [Accepted: 08/01/2022] [Indexed: 11/13/2022] Open
Abstract
Radiotherapy is one of the most effective and frequently used treatments for a wide range of cancers. In addition to its direct anti-cancer cytotoxic effects, ionising radiation can augment the anti-tumour immune response by triggering pro-inflammatory signals, DNA damage-induced immunogenic cell death and innate immune activation. Anti-tumour innate immunity can result from recruitment and stimulation of dendritic cells (DCs) which leads to tumour-specific adaptive T-cell priming and immunostimulatory cell infiltration. Conversely, radiotherapy can also induce immunosuppressive and anti-inflammatory mediators that can confer radioresistance. Targeting the DNA damage response (DDR) concomitantly with radiotherapy is an attractive strategy for overcoming radioresistance, both by enhancing the radiosensitivity of tumour relative to normal tissues, and tipping the scales in favour of an immunostimulatory tumour microenvironment. This two-pronged approach exploits genomic instability to circumvent immune evasion, targeting both hallmarks of cancer. In this review, we describe targetable DDR proteins (PARP (poly[ADP-ribose] polymerase); ATM/ATR (ataxia-telangiectasia mutated and Rad3-related), DNA-PKcs (DNA-dependent protein kinase, catalytic subunit) and Wee1 (Wee1-like protein kinase) and their potential intersections with druggable immunomodulatory signalling pathways, including nucleic acid-sensing mechanisms (Toll-like receptors (TLR); cyclic GMP-AMP synthase (cGAS)-stimulator of interferon genes (STING) and retinoic acid-inducible gene-I (RIG-I)-like receptors), and how these might be exploited to enhance radiation therapy. We summarise current preclinical advances, recent and ongoing clinical trials and the challenges of therapeutic combinations with existing treatments such as immune checkpoint inhibitors.
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Affiliation(s)
| | - Antonio Rullan
- Targeted Therapy Team, The Institute of Cancer Research, London, United Kingdom
| | - Emmanuel C. Patin
- Targeted Therapy Team, The Institute of Cancer Research, London, United Kingdom
| | - Malin Pedersen
- Targeted Therapy Team, The Institute of Cancer Research, London, United Kingdom
| | - Alan A. Melcher
- Translational Immunotherapy Team, The Institute of Cancer Research, London, United Kingdom
| | - Kevin J. Harrington
- Targeted Therapy Team, The Institute of Cancer Research, London, United Kingdom
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28
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Álvarez-Abril B, Bloy N, Galassi C, Sato A, Jiménez-Cortegana C, Klapp V, Aretz A, Guilbaud E, Buqué A, Galluzzi L, Yamazaki T. Cytofluorometric assessment of acute cell death responses driven by radiation therapy. Methods Cell Biol 2022; 172:17-36. [DOI: 10.1016/bs.mcb.2022.05.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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