1
|
Johny J, van Halteren CER, Cakir FC, Zwiehoff S, Behrends C, Bäumer C, Timmermann B, Rauschenbach L, Tippelt S, Scheffler B, Schramm A, Rehbock C, Barcikowski S. Surface Chemistry and Specific Surface Area Rule the Efficiency of Gold Nanoparticle Sensitizers in Proton Therapy. Chemistry 2023; 29:e202301260. [PMID: 37334753 DOI: 10.1002/chem.202301260] [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: 04/20/2023] [Revised: 06/13/2023] [Accepted: 06/13/2023] [Indexed: 06/20/2023]
Abstract
Gold nanoparticles (AuNPs) are currently the most studied radiosensitizers in proton therapy (PT) applicable for the treatment of solid tumors, where they amplify production of reactive oxygen species (ROS). However, it is underexplored how this amplification is correlated with the AuNPs' surface chemistry. To clarify this issue, we fabricated ligand-free AuNPs of different mean diameters by laser ablation in liquids (LAL) and laser fragmentation in liquids (LFL) and irradiated them with clinically relevant proton fields by using water phantoms. ROS generation was monitored by the fluorescent dye 7-OH-coumarin. Our findings reveal an enhancement of ROS production driven by I) increased total particle surface area, II) utilization of ligand-free AuNPs avoiding sodium citrate as a radical quencher ligands, and III) a higher density of structural defects generated by LFL synthesis, indicated by surface charge density. Based on these findings it may be concluded that the surface chemistry is a major and underexplored contributor to ROS generation and sensitizing effects of AuNPs in PT. We further highlight the applicability of AuNPs in vitro in human medulloblastoma cells.
Collapse
Affiliation(s)
- Jacob Johny
- Technical Chemistry I and Center for Nanointegration Duisburg-Essen (CENIDE), University of Duisburg-Essen, 45141, Essen, Germany
| | - Charlotte E R van Halteren
- Technical Chemistry I and Center for Nanointegration Duisburg-Essen (CENIDE), University of Duisburg-Essen, 45141, Essen, Germany
| | - Fatih-Can Cakir
- Technical Chemistry I and Center for Nanointegration Duisburg-Essen (CENIDE), University of Duisburg-Essen, 45141, Essen, Germany
| | - Sandra Zwiehoff
- Technical Chemistry I and Center for Nanointegration Duisburg-Essen (CENIDE), University of Duisburg-Essen, 45141, Essen, Germany
| | - Carina Behrends
- West German Proton Therapy Centre Essen (WPE), 45147, Essen, Germany
- West German Cancer Center (WTZ), 45147, Essen, Germany
- Department of Physics, TU Dortmund University, 44227, Dortmund, Germany
| | - Christian Bäumer
- West German Proton Therapy Centre Essen (WPE), 45147, Essen, Germany
- West German Cancer Center (WTZ), 45147, Essen, Germany
- Department of Physics, TU Dortmund University, 44227, Dortmund, Germany
- German Cancer Consortium (DKTK), 45147, Essen, Germany
| | - Beate Timmermann
- West German Proton Therapy Centre Essen (WPE), 45147, Essen, Germany
- West German Cancer Center (WTZ), 45147, Essen, Germany
- German Cancer Consortium (DKTK), 45147, Essen, Germany
- Department of Particle Therapy, University Hospital Essen, 45147, Essen, Germany
| | - Laurèl Rauschenbach
- West German Cancer Center (WTZ), 45147, Essen, Germany
- German Cancer Consortium (DKTK), 45147, Essen, Germany
- Department of Neurosurgery and Spine Surgery, University Hospital Essen, 45147, Essen, Germany
- DKFZ-Division Translational Neurooncology at the, West German Cancer Center (WTZ), University Hospital Essen, 45147, Essen, Germany
| | - Stephan Tippelt
- Pediatrics III, Pediatric Oncology and Hematology, University Hospital Essen, 45147, Essen, Germany
| | - Björn Scheffler
- West German Cancer Center (WTZ), 45147, Essen, Germany
- German Cancer Consortium (DKTK), 45147, Essen, Germany
- DKFZ-Division Translational Neurooncology at the, West German Cancer Center (WTZ), University Hospital Essen, 45147, Essen, Germany
| | - Alexander Schramm
- Laboratory of Molecular Oncology, Department of Medical Oncology, West German Cancer Center, University Hospital Essen, Essen, Germany
| | - Christoph Rehbock
- Technical Chemistry I and Center for Nanointegration Duisburg-Essen (CENIDE), University of Duisburg-Essen, 45141, Essen, Germany
| | - Stephan Barcikowski
- Technical Chemistry I and Center for Nanointegration Duisburg-Essen (CENIDE), University of Duisburg-Essen, 45141, Essen, Germany
| |
Collapse
|
2
|
Varzandeh M, Sabouri L, Mansouri V, Gharibshahian M, Beheshtizadeh N, Hamblin MR, Rezaei N. Application of nano-radiosensitizers in combination cancer therapy. Bioeng Transl Med 2023; 8:e10498. [PMID: 37206240 PMCID: PMC10189501 DOI: 10.1002/btm2.10498] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2022] [Revised: 11/08/2022] [Accepted: 01/27/2023] [Indexed: 02/12/2023] Open
Abstract
Radiosensitizers are compounds or nanostructures, which can improve the efficiency of ionizing radiation to kill cells. Radiosensitization increases the susceptibility of cancer cells to radiation-induced killing, while simultaneously reducing the potentially damaging effect on the cellular structure and function of the surrounding healthy tissues. Therefore, radiosensitizers are therapeutic agents used to boost the effectiveness of radiation treatment. The complexity and heterogeneity of cancer, and the multifactorial nature of its pathophysiology has led to many approaches to treatment. The effectiveness of each approach has been proven to some extent, but no definitive treatment to eradicate cancer has been discovered. The current review discusses a broad range of nano-radiosensitizers, summarizing possible combinations of radiosensitizing NPs with several other types of cancer therapy options, focusing on the benefits and drawbacks, challenges, and future prospects.
Collapse
Affiliation(s)
- Mohammad Varzandeh
- Department of Materials EngineeringIsfahan University of TechnologyIsfahanIran
| | - Leila Sabouri
- AmitisGen TECH Dev GroupTehranIran
- Regenerative Medicine Group (REMED)Universal Scientific Education and Research Network (USERN)TehranIran
| | - Vahid Mansouri
- Regenerative Medicine Group (REMED)Universal Scientific Education and Research Network (USERN)TehranIran
- Gene Therapy Research Center, Digestive Diseases Research Institute, Shariati Hospital, Tehran University of Medical SciencesTehranIran
| | - Maliheh Gharibshahian
- Regenerative Medicine Group (REMED)Universal Scientific Education and Research Network (USERN)TehranIran
- Student Research CommitteeSchool of Medicine, Shahroud University of Medical SciencesShahroudIran
| | - Nima Beheshtizadeh
- Regenerative Medicine Group (REMED)Universal Scientific Education and Research Network (USERN)TehranIran
- Department of Tissue EngineeringSchool of Advanced Technologies in Medicine, Tehran University of Medical SciencesTehranIran
| | - Michael R. Hamblin
- Laser Research Center, Faculty of Health ScienceUniversity of JohannesburgDoornfonteinSouth Africa
- Network of Immunity in Infection, Malignancy and Autoimmunity (NIIMA)Universal Scientific Education and Research Network (USERN)TehranIran
| | - Nima Rezaei
- Network of Immunity in Infection, Malignancy and Autoimmunity (NIIMA)Universal Scientific Education and Research Network (USERN)TehranIran
- Research Center for ImmunodeficienciesChildren's Medical Center, Tehran University of Medical SciencesTehranIran
- Department of ImmunologySchool of Medicine, Tehran University of Medical SciencesTehranIran
| |
Collapse
|
3
|
Penninckx S, Thariat J, Mirjolet C. Radiation therapy-activated nanoparticle and immunotherapy: The next milestone in oncology? INTERNATIONAL REVIEW OF CELL AND MOLECULAR BIOLOGY 2023; 378:157-200. [PMID: 37438017 DOI: 10.1016/bs.ircmb.2023.03.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/14/2023]
Abstract
Radiotherapy (RT) is a fundamental treatment at the locoregional or oligometastatic stages of cancer. In various tumors, RT effects may be optimized using synergistic combinations that enhance tumor response. Innovative strategies have been designed that explore the radiation mechanisms, at the physical, chemical and biological levels, to propose precision RT approaches. They consist in combining RT with immunotherapy to revert radiation immunosuppressive effects or to enhance radiation-induced immune defenses against the tumor to favor immunogenic cell death. Radiotherapy-activated nanoparticles are another innovation. By increasing radiation response in situ, nanoparticles improve tumor control locally, and can trigger systemic immune reactions that may be exploited to improve the systemic efficacy of RT. Strong clinical evidence of improved outcomes is now available for combinations of RT and immunotherapy on one hand and RT and nanoparticles on the other hand. The triple combination of RT, immunotherapy and nanoparticles is promising in terms of tolerance, local and systemic anti-tumor control. Yet, significant challenges remain to unravel the complexity of the multiscale mechanisms underlying response to this combination and their associated parameters. Such parameters include patient characteristics, tumor bulk and histology, radiation technique, energy, dose, fractionation, immunotherapy targets and predictive biomarkers, nanoparticle type, size, delivery (intratumoral/intravenous), distribution. The temporal combination is another critical parameter. The mechanisms of response of the combinatorial approaches are reviewed, with a focus on underlying mechanisms based on preclinical, translational and clinical studies. Opportunities for translation of current understanding into precision RT trials combined with immunotherapy and nanoparticles are also discussed.
Collapse
Affiliation(s)
- Sébastien Penninckx
- Medical Physics Department, Institut Jules Bordet, Université Libre de Bruxelles, Brussels, Belgium.
| | - Juliette Thariat
- Laboratoire de physique Corpusculaire IN2P3/ENSICAEN/CNRS UMR 6534, Normandie Université Centre François Baclesse, Caen, France
| | - Céline Mirjolet
- Radiation Oncology Department, Preclinical Radiation Therapy and Radiobiology Unit, Centre Georges-François Leclerc, Unicancer, Dijon, France; TIReCS Team, UMR INSERM 1231, Dijon, France
| |
Collapse
|
4
|
Chu Z, Yang J, Zheng W, Sun J, Wang W, Qian H. Recent advances on modulation of H2O2 in tumor microenvironment for enhanced cancer therapeutic efficacy. Coord Chem Rev 2023. [DOI: 10.1016/j.ccr.2023.215049] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/11/2023]
|
5
|
Chuang YC, Wu PH, Shen YA, Kuo CC, Wang WJ, Chen YC, Lee HL, Chiou JF. Recent Advances in Metal-Based NanoEnhancers for Particle Therapy. NANOMATERIALS (BASEL, SWITZERLAND) 2023; 13:1011. [PMID: 36985905 PMCID: PMC10056155 DOI: 10.3390/nano13061011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/03/2023] [Revised: 03/02/2023] [Accepted: 03/07/2023] [Indexed: 06/18/2023]
Abstract
Radiotherapy is one of the most common therapeutic regimens for cancer treatment. Over the past decade, proton therapy (PT) has emerged as an advanced type of radiotherapy (RT) that uses proton beams instead of conventional photon RT. Both PT and carbon-ion beam therapy (CIBT) exhibit excellent therapeutic results because of the physical characteristics of the resulting Bragg peaks, which has been exploited for cancer treatment in medical centers worldwide. Although particle therapies show significant advantages to photon RT by minimizing the radiation damage to normal tissue after the tumors, they still cause damage to normal tissue before the tumor. Since the physical mechanisms are different from particle therapy and photon RT, efforts have been made to ameliorate these effects by combining nanomaterials and particle therapies to improve tumor targeting by concentrating the radiation effects. Metallic nanoparticles (MNPs) exhibit many unique properties, such as strong X-ray absorption cross-sections and catalytic activity, and they are considered nano-radioenhancers (NREs) for RT. In this review, we systematically summarize the putative mechanisms involved in NRE-induced radioenhancement in particle therapy and the experimental results in in vitro and in vivo models. We also discuss the potential of translating preclinical metal-based NP-enhanced particle therapy studies into clinical practice using examples of several metal-based NREs, such as SPION, Abraxane, AGuIX, and NBTXR3. Furthermore, the future challenges and development of NREs for PT are presented for clinical translation. Finally, we propose a roadmap to pursue future studies to strengthen the interplay of particle therapy and nanomedicine.
Collapse
Affiliation(s)
- Yao-Chen Chuang
- Department of Radiation Oncology, Taipei Medical University Hospital, Taipei 110301, Taiwan; (Y.-C.C.)
| | - Ping-Hsiu Wu
- Department of Radiation Oncology, Taipei Medical University Hospital, Taipei 110301, Taiwan; (Y.-C.C.)
- Department of Radiology, School of Medicine, College of Medicine, Taipei Medical University, Taipei 110301, Taiwan
- Proton Center, Taipei Medical University Hospital, Taipei Medical University, Taipei 110301, Taiwan
| | - Yao-An Shen
- Department of Pathology, School of Medicine, College of Medicine, Taipei Medical University, Taipei 110301, Taiwan
- Graduate Institute of Clinical Medicine, College of Medicine, Taipei Medical University, Taipei 110301, Taiwan
- International Master/Ph.D. Program in Medicine, College of Medicine, Taipei Medical University, Taipei 110301, Taiwan
| | - Chia-Chun Kuo
- Department of Radiation Oncology, Taipei Medical University Hospital, Taipei 110301, Taiwan; (Y.-C.C.)
- Proton Center, Taipei Medical University Hospital, Taipei Medical University, Taipei 110301, Taiwan
- School of Health Care Administration, College of Management, Taipei Medical University, Taipei 110301, Taiwan
- Ph.D. Program for Cancer Molecular Biology and Drug Discovery, College of Medical Science and Technology, Taipei Medical University, Taipei 11031, Taiwan
| | - Wei-Jun Wang
- Department of Radiation Oncology, Taipei Medical University Hospital, Taipei 110301, Taiwan; (Y.-C.C.)
- Proton Center, Taipei Medical University Hospital, Taipei Medical University, Taipei 110301, Taiwan
- Graduate Institute of Clinical Medicine, College of Medicine, Taipei Medical University, Taipei 110301, Taiwan
| | - Yu-Chen Chen
- Department of Radiology, School of Medicine, College of Medicine, Taipei Medical University, Taipei 110301, Taiwan
| | - Hsin-Lun Lee
- Department of Radiation Oncology, Taipei Medical University Hospital, Taipei 110301, Taiwan; (Y.-C.C.)
- Department of Radiology, School of Medicine, College of Medicine, Taipei Medical University, Taipei 110301, Taiwan
- Proton Center, Taipei Medical University Hospital, Taipei Medical University, Taipei 110301, Taiwan
| | - Jeng-Fong Chiou
- Department of Radiation Oncology, Taipei Medical University Hospital, Taipei 110301, Taiwan; (Y.-C.C.)
- Department of Radiology, School of Medicine, College of Medicine, Taipei Medical University, Taipei 110301, Taiwan
- Proton Center, Taipei Medical University Hospital, Taipei Medical University, Taipei 110301, Taiwan
| |
Collapse
|
6
|
Khorasani A, Shahbazi-Gahrouei D, Safari A. Recent Metal Nanotheranostics for Cancer Diagnosis and Therapy: A Review. Diagnostics (Basel) 2023; 13:diagnostics13050833. [PMID: 36899980 PMCID: PMC10000685 DOI: 10.3390/diagnostics13050833] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2023] [Revised: 02/17/2023] [Accepted: 02/20/2023] [Indexed: 02/24/2023] Open
Abstract
In recent years, there has been an increasing interest in using nanoparticles in the medical sciences. Today, metal nanoparticles have many applications in medicine for tumor visualization, drug delivery, and early diagnosis, with different modalities such as X-ray imaging, computed tomography (CT), magnetic resonance imaging (MRI), positron emission tomography (PET), etc., and treatment with radiation. This paper reviews recent findings of recent metal nanotheranostics in medical imaging and therapy. The study offers some critical insights into using different types of metal nanoparticles in medicine for cancer detection and treatment purposes. The data of this review study were gathered from multiple scientific citation websites such as Google Scholar, PubMed, Scopus, and Web of Science up through the end of January 2023. In the literature, many metal nanoparticles are used for medical applications. However, due to their high abundance, low price, and high performance for visualization and treatment, nanoparticles such as gold, bismuth, tungsten, tantalum, ytterbium, gadolinium, silver, iron, platinum, and lead have been investigated in this review study. This paper has highlighted the importance of gold, gadolinium, and iron-based metal nanoparticles in different forms for tumor visualization and treatment in medical applications due to their ease of functionalization, low toxicity, and superior biocompatibility.
Collapse
Affiliation(s)
- Amir Khorasani
- Department of Medical Physics, School of Medicine, Isfahan University of Medical Sciences, Isfahan 81746-73461, Iran
| | - Daryoush Shahbazi-Gahrouei
- Department of Medical Physics, School of Medicine, Isfahan University of Medical Sciences, Isfahan 81746-73461, Iran
- Correspondence: ; Tel.: +98-31-37929095
| | - Arash Safari
- Department of Radiology, Ionizing and Non-Ionizing Radiation Protection Research Center (INIRPRC), School of Paramedical Sciences, Shiraz University of Medical Sciences, Shiraz 71439-14693, Iran
| |
Collapse
|
7
|
Freitas SC, Sanderson D, Caspani S, Magalhães R, Cortés-Llanos B, Granja A, Reis S, Belo JH, Azevedo J, Gómez-Gaviro MV, de Sousa CT. New Frontiers in Colorectal Cancer Treatment Combining Nanotechnology with Photo- and Radiotherapy. Cancers (Basel) 2023; 15:383. [PMID: 36672333 PMCID: PMC9856291 DOI: 10.3390/cancers15020383] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2022] [Revised: 12/19/2022] [Accepted: 12/24/2022] [Indexed: 01/11/2023] Open
Abstract
Colorectal cancer is the third most common cancer worldwide. Despite recent advances in the treatment of this pathology, which include a personalized approach using radio- and chemotherapies in combination with advanced surgical techniques, it is imperative to enhance the performance of these treatments and decrease their detrimental side effects on patients' health. Nanomedicine is likely the pathway towards solving this challenge by enhancing both the therapeutic and diagnostic capabilities. In particular, plasmonic nanoparticles show remarkable potential due to their dual therapeutic functionalities as photothermal therapy agents and as radiosensitizers in radiotherapy. Their dual functionality, high biocompatibility, easy functionalization, and targeting capabilities make them potential agents for inducing efficient cancer cell death with minimal side effects. This review aims to identify the main challenges in the diagnosis and treatment of colorectal cancer. The heterogeneous nature of this cancer is also discussed from a single-cell point of view. The most relevant works in photo- and radiotherapy using nanotechnology-based therapies for colorectal cancer are addressed, ranging from in vitro studies (2D and 3D cell cultures) to in vivo studies and clinical trials. Although the results using nanoparticles as a photo- and radiosensitizers in photo- and radiotherapy are promising, preliminary studies showed that the possibility of combining both therapies must be explored to improve the treatment efficiency.
Collapse
Affiliation(s)
- Sara C. Freitas
- IFIMUP-Institute of Physics for Advanced Materials, Nanotechnology and Photonics of University of Porto, LaPMET-Laboratory of Physics for Materials and Emergent Technologies, Departamento de Física e Astronomia, Faculdade de Ciências, Universidade do Porto, Rua do Campo Alegre s/n, 4169-007 Porto, Portugal
| | - Daniel Sanderson
- Instituto de Investigación Sanitaria Gregorio Marañón (IiSGM), Doctor Esquerdo 46, 28007 Madrid, Spain
- Departamento de Bioingeniería e Ingeniería Aeroespacial, Universidad Carlos III de Madrid, 28911 Leganés, Spain
| | - Sofia Caspani
- IFIMUP-Institute of Physics for Advanced Materials, Nanotechnology and Photonics of University of Porto, LaPMET-Laboratory of Physics for Materials and Emergent Technologies, Departamento de Física e Astronomia, Faculdade de Ciências, Universidade do Porto, Rua do Campo Alegre s/n, 4169-007 Porto, Portugal
| | - Ricardo Magalhães
- IFIMUP-Institute of Physics for Advanced Materials, Nanotechnology and Photonics of University of Porto, LaPMET-Laboratory of Physics for Materials and Emergent Technologies, Departamento de Física e Astronomia, Faculdade de Ciências, Universidade do Porto, Rua do Campo Alegre s/n, 4169-007 Porto, Portugal
| | | | - Andreia Granja
- LAQV, REQUIMTE, Departamento de Ciências Químicas, Faculdade de Farmácia, Universidade do Porto, R. Jorge de Viterbo Ferreira 228, 4050-313 Porto, Portugal
| | - Salette Reis
- LAQV, REQUIMTE, Departamento de Ciências Químicas, Faculdade de Farmácia, Universidade do Porto, R. Jorge de Viterbo Ferreira 228, 4050-313 Porto, Portugal
| | - João Horta Belo
- IFIMUP-Institute of Physics for Advanced Materials, Nanotechnology and Photonics of University of Porto, LaPMET-Laboratory of Physics for Materials and Emergent Technologies, Departamento de Física e Astronomia, Faculdade de Ciências, Universidade do Porto, Rua do Campo Alegre s/n, 4169-007 Porto, Portugal
| | - José Azevedo
- Colorectal Surgery—Champalimaud Foundation, Champalimaud Centre for the Unknown, Avenida Brasília, 1400-038 Lisboa, Portugal
| | - Maria Victoria Gómez-Gaviro
- Instituto de Investigación Sanitaria Gregorio Marañón (IiSGM), Doctor Esquerdo 46, 28007 Madrid, Spain
- Departamento de Bioingeniería e Ingeniería Aeroespacial, Universidad Carlos III de Madrid, 28911 Leganés, Spain
| | - Célia Tavares de Sousa
- IFIMUP-Institute of Physics for Advanced Materials, Nanotechnology and Photonics of University of Porto, LaPMET-Laboratory of Physics for Materials and Emergent Technologies, Departamento de Física e Astronomia, Faculdade de Ciências, Universidade do Porto, Rua do Campo Alegre s/n, 4169-007 Porto, Portugal
- Departamento de Física Aplicada, Facultad de Ciencias, Universidad Autonoma de Madrid (UAM), Campus de Cantoblanco, C/ Francisco Tomas y Valiente, 7, 28049 Madrid, Spain
| |
Collapse
|
8
|
Chen Y, Liu S, Liao Y, Yang H, Chen Z, Hu Y, Fu S, Wu J. Albumin-Modified Gold Nanoparticles as Novel Radiosensitizers for Enhancing Lung Cancer Radiotherapy. Int J Nanomedicine 2023; 18:1949-1964. [PMID: 37070100 PMCID: PMC10105590 DOI: 10.2147/ijn.s398254] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2022] [Accepted: 04/01/2023] [Indexed: 04/19/2023] Open
Abstract
Background Considering the strong attenuation of photons and the potential to increase the deposition of radiation, high-atomic number nanomaterials are often used as radiosensitizers in cancer radiotherapy, of which gold nanoparticles (GNPs) are widely used. Materials and Methods We prepared albumin-modified GNPs (Alb-GNPs) and observed their radiosensitizing effects and biotoxicity in human non-small-cell lung carcinoma tumor-bearing mice models. Results The prepared nanoparticles (Alb-GNPs) demonstrated excellent colloidal stability and biocompatibility at the mean size of 205.06 ± 1.03 nm. Furthermore, clone formation experiments revealed that Alb-GNPs exerted excellent radiosensitization, with a sensitization enhancement ratio (SER) of 1.432, which is higher than X-ray alone. Our in vitro and in vivo data suggested that Alb-GNPs enabled favorable accumulation in tumors, and the combination of Alb-GNPs and radiotherapy exhibited a relatively greater radiosensitizing effect and anti-tumor activity. In addition, no toxicity or abnormal irritating response resulted from the application of Alb-GNPs. Conclusion Alb-GNPs can be used as an effective radiosensitizer to improve the efficacy of radiotherapy with minimal damage to healthy tissues.
Collapse
Affiliation(s)
- Yao Chen
- Department of Oncology, The Affiliated Hospital of Southwest Medical University, Luzhou, People’s Republic of China
| | - Shuya Liu
- Department of Oncology, The Affiliated Hospital of Southwest Medical University, Luzhou, People’s Republic of China
| | - Yin Liao
- Department of Oncology, The Affiliated Hospital of Southwest Medical University, Luzhou, People’s Republic of China
| | - Hanshan Yang
- Department of Oncology, The Affiliated Hospital of Southwest Medical University, Luzhou, People’s Republic of China
| | - Zhuo Chen
- Department of Oncology, The Affiliated Hospital of Southwest Medical University, Luzhou, People’s Republic of China
| | - Yuru Hu
- Department of Oncology, The Affiliated Hospital of Southwest Medical University, Luzhou, People’s Republic of China
| | - Shaozhi Fu
- Department of Oncology, The Affiliated Hospital of Southwest Medical University, Luzhou, People’s Republic of China
- Correspondence: Shaozhi Fu; Jingbo Wu, Department of Oncology, The Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan Province, 646000, People’s Republic of China, Tel/Fax +86 8303165696, Email ;
| | - Jingbo Wu
- Department of Oncology, The Affiliated Hospital of Southwest Medical University, Luzhou, People’s Republic of China
- Nuclear Medicine and Molecular Imaging Key Laboratory of Sichuan Province, Luzhou, People’s Republic of China
- Academician (Expert) Workstation of Sichuan Province, Luzhou, People’s Republic of China
| |
Collapse
|
9
|
Mansouri E, Mesbahi A, Hejazi MS, Montazersaheb S, Tarhriz V, Ghasemnejad T, Zarei M. Nanoscopic biodosimetry using plasmid DNA in radiotherapy with metallic nanoparticles. J Appl Clin Med Phys 2022; 24:e13879. [PMID: 36546569 PMCID: PMC9924121 DOI: 10.1002/acm2.13879] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2022] [Revised: 09/08/2022] [Accepted: 12/02/2022] [Indexed: 12/24/2022] Open
Abstract
Nanoscopic lesions (complex damages), are the most lethal lesions for the cells. As nanoparticles have become increasingly popular in radiation therapy and the importance of analyzing nanoscopic dose enhancement has increased, a reliable tool for nanodosimetry has become indispensable. In this regard, the DNA plasmid is a widely used tool as a nanodosimetry probe in radiobiology and nano-radiosensitization studies. This approach is helpful for unraveling the radiosensitization role of nanoparticles in terms of physical and physicochemical effects and for quantifying radiation-induced biological damage. This review discusses the potential of using plasmid DNA assays for assessing the relative effects of nano-radiosensitizers, which can provide a theoretical basis for the development of nanoscopic biodosimetry and nanoparticle-based radiotherapy.
Collapse
Affiliation(s)
- Elham Mansouri
- Drug Applied Research CenterTabriz University of Medical SciencesTabrizIran
| | - Asghar Mesbahi
- Molecular Medicine Research CenterInstitute of BiomedicineTabriz University of Medical SciencesTabrizIran,Medical Physics DepartmentMedical SchoolTabriz University of Medical SciencesTabrizIran
| | - Mohammad Saied Hejazi
- Molecular Medicine Research CenterInstitute of BiomedicineTabriz University of Medical SciencesTabrizIran
| | - Soheila Montazersaheb
- Molecular Medicine Research CenterInstitute of BiomedicineTabriz University of Medical SciencesTabrizIran
| | - Vahideh Tarhriz
- Molecular Medicine Research CenterInstitute of BiomedicineTabriz University of Medical SciencesTabrizIran
| | - Tohid Ghasemnejad
- Molecular Medicine Research CenterInstitute of BiomedicineTabriz University of Medical SciencesTabrizIran
| | - Mojtaba Zarei
- Drug Applied Research CenterTabriz University of Medical SciencesTabrizIran
| |
Collapse
|
10
|
Tsai SW, Lo CY, Yu SY, Chen FH, Huang HC, Wang LK, Liaw JW. Gold Nanoparticles Enhancing Generation of ROS for Cs-137 Radiotherapy. NANOSCALE RESEARCH LETTERS 2022; 17:123. [PMID: 36515781 PMCID: PMC9751242 DOI: 10.1186/s11671-022-03761-w] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/10/2022] [Accepted: 12/01/2022] [Indexed: 06/01/2023]
Abstract
Radiotherapy is an important modality for the treatment of cancer, e.g., X-ray, Cs-137 γ-ray (peak energy: 662 keV). An important therapy pathway of radiation is to generate the double strand breaks of DNA to prohibit the proliferation of cancer cells. In addition, the excessive amount of reactive oxygen species (ROS) is induced to damage the organelles, which can cause cellular apoptosis or necrosis. Gold nanoparticles (GNPs) have been proven potential as a radiosensitizer due to the high biocompatibility, the low cytotoxicity and the high-Z property (Z = 79) of gold. The latter property may allow GNPs to induce more secondary electrons for generating ROS in cells as irradiated by high-energy photons. In this paper, the radiobiological effects on A431 cells with uptake of 55-nm GNPs were studied to investigate the GNPs-enhanced production of ROS on these cells as irradiated by Cs-137 γ-ray. The fluorescence-labeling image of laser scanning confocal microscopy (LSCM) shows the excessive expression of ROS in these GNPs-uptake cells after irradiation. And then, the follow-up disruption of cytoskeletons and dysfunction of mitochondria caused by the induced ROS are observed. From the curves of cell survival fraction versus the radiation dose, the radiosensitization enhancement factor of GNPs is 1.29 at a survival fraction of 30%. This demonstrates that the tumoricidal efficacy of Cs-137 radiation can be significantly raised by GNPs. Because of facilitating the production of excessive ROS to damage tumor cells, GNPs are proven to be a prospective radiosensitizer for radiotherapy, particularly for the treatment of certain radioresistant tumor cells. Through this pathway, the tumoricidal efficacy of radiotherapy can be raised.
Collapse
Affiliation(s)
- Shiao-Wen Tsai
- Department of Biomedical Engineering, Chang Gung University, Taoyuan, Taiwan
- Department of Periodontics, Chang Gung Memorial Hospital, Taipei, Taiwan
| | - Chang-Yun Lo
- Department of Mechanical Engineering, Chang Gung University, Taoyuan, Taiwan
| | - Shang-Yang Yu
- Department of Mechanical Engineering, Chang Gung University, Taoyuan, Taiwan
| | - Fang-Hsin Chen
- Department of Medical Imaging and Radiological Sciences, Chang Gung University, Taoyuan, Taiwan
- Department of Radiation Oncology, Chang Gung Memorial Hospital, Taoyuan, Taiwan
- Institute of Nuclear Engineering and Science, National Tsing Hua University, Hsinchu, Taiwan
| | - Hsiao-Chieh Huang
- Department of Radiation Oncology, Chang Gung Memorial Hospital, Taoyuan, Taiwan
- Proton and Radiation Therapy Center, Linkou Chang Gung Memorial Hospital, Taoyuan, Taiwan
| | - Lu-Kai Wang
- Radiation Biology Core Laboratory, Institute for Radiological Research, Chang Gung University/Chang Gung Memorial Hospital, Taoyuan, Taiwan
| | - Jiunn-Woei Liaw
- Department of Mechanical Engineering, Chang Gung University, Taoyuan, Taiwan.
- Proton and Radiation Therapy Center, Linkou Chang Gung Memorial Hospital, Taoyuan, Taiwan.
- Department of Mechanical Engineering, Ming Chi University of Technology, New Taipei City, Taiwan.
| |
Collapse
|
11
|
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.
Collapse
|
12
|
Hu B, Xiao X, Chen P, Qian J, Yuan G, Ye Y, Zeng L, Zhong S, Wang X, Qin X, Yang Y, Pan Y, Zhang Y. Enhancing anti-tumor effect of ultrasensitive bimetallic RuCu nanoparticles as radiosensitizers with dual enzyme-like activities. Biomaterials 2022; 290:121811. [DOI: 10.1016/j.biomaterials.2022.121811] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2022] [Revised: 09/12/2022] [Accepted: 09/14/2022] [Indexed: 11/02/2022]
|
13
|
Chavda VP, Patel AB, Mistry KJ, Suthar SF, Wu ZX, Chen ZS, Hou K. Nano-Drug Delivery Systems Entrapping Natural Bioactive Compounds for Cancer: Recent Progress and Future Challenges. Front Oncol 2022; 12:867655. [PMID: 35425710 PMCID: PMC9004605 DOI: 10.3389/fonc.2022.867655] [Citation(s) in RCA: 23] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2022] [Accepted: 02/24/2022] [Indexed: 02/05/2023] Open
Abstract
Cancer is a prominent cause of mortality globally, and it becomes fatal and incurable if it is delayed in diagnosis. Chemotherapy is a type of treatment that is used to eliminate, diminish, or restrict tumor progression. Chemotherapeutic medicines are available in various formulations. Some tumors require just one type of chemotherapy medication, while others may require a combination of surgery and/or radiotherapy. Treatments might last from a few minutes to many hours to several days. Each medication has potential adverse effects associated with it. Researchers have recently become interested in the use of natural bioactive compounds in anticancer therapy. Some phytochemicals have effects on cellular processes and signaling pathways with potential antitumor properties. Beneficial anticancer effects of phytochemicals were observed in both in vivo and in vitro investigations. Encapsulating natural bioactive compounds in different drug delivery methods may improve their anticancer efficacy. Greater in vivo stability and bioavailability, as well as a reduction in undesirable effects and an enhancement in target-specific activity, will increase the effectiveness of bioactive compounds. This review work focuses on a novel drug delivery system that entraps natural bioactive substances. It also provides an idea of the bioavailability of phytochemicals, challenges and limitations of standard cancer therapy. It also encompasses recent patents on nanoparticle formulations containing a natural anti-cancer molecule.
Collapse
Affiliation(s)
- Vivek P. Chavda
- Department of Pharmaceutics and Pharmaceutical Technology, L.M. College of Pharmacy, Ahmedabad, India
| | | | - Kavya J. Mistry
- Pharmacy Section, L.M. College of Pharmacy, Ahmedabad, India
| | | | - Zhuo-Xun Wu
- Department of Pharmaceutical Science, College of Pharmacy and Health Sciences, St. John’s University, New York, NY, United States
| | - Zhe-Sheng Chen
- Department of Pharmaceutical Science, College of Pharmacy and Health Sciences, St. John’s University, New York, NY, United States
| | - Kaijian Hou
- Department of Preventive Medicine,Shantou University Medical College, Shantou, China
- Department of Endocrine and Metabolic Diseases, Longhu Hospital, The First Afliated Hospital of Shantou University Medical College, Shantou, China
| |
Collapse
|
14
|
González-Ayón MA, Licea-Rodriguez J, Méndez ER, Licea-Claverie A. NVCL-Based Galacto-Functionalized and Thermosensitive Nanogels with GNRDs for Chemo/Photothermal-Therapy. Pharmaceutics 2022; 14:pharmaceutics14030560. [PMID: 35335936 PMCID: PMC8951641 DOI: 10.3390/pharmaceutics14030560] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2022] [Revised: 02/22/2022] [Accepted: 02/25/2022] [Indexed: 12/04/2022] Open
Abstract
Dual-function nanogels (particle size from 98 to 224 nm) synthesized via surfactant-free emulsion polymerization (SFEP) were tested as smart carriers toward synergistic chemo- and photothermal therapy. Cisplatin (CDDP) or doxorubicin (DOX) and gold nanorods (GNRDs) were loaded into galacto-functionalized PNVCL-based nanogels, where the encapsulation efficiency for CDDP and DOX was around 64 and 52%, respectively. PNVCL-based nanogels were proven to be an efficient delivery vehicle under conditions that mimic the tumor site in vitro. The release of CDDP or DOX was slower at pH 7.4 and 37 °C than at tumor conditions of pH 6 and 40 °C. On the other hand, in the systems with GNRDs at pH 7.4 and 37 °C, the sample was irradiated with a 785 nm laser for 10 min every hour, obtaining that the release profiles were even higher than in the conditions that simulated a cancer tissue (without irradiation). Thus, the present study demonstrates the synergistic effect of chemo- and photothermal therapy as a promising dual function in the potential future use of PNVCL nanogels loaded with GNRDs and CDDP/DOX to achieve an enhanced chemo/phototherapy in vivo.
Collapse
Affiliation(s)
- Mirian A. González-Ayón
- Centro de Graduados e Investigación en Química, Tecnológico Nacional de México/Instituto Tecnológico de Tijuana, Apartado Postal 1166, Tijuana 22454, Mexico
- Correspondence: (M.A.G.-A.); (A.L.-C.)
| | - Jacob Licea-Rodriguez
- División de Física Aplicada, Centro de Investigación Científica y Educación Superior de Ensenada, Carretera Ensenada-Tijuana No. 3918, Ensenada 22860, B. C., Mexico; (J.L.-R.); (E.R.M.)
- Cátedras CONACYT-Centro de Investigación Científica y Educación Superior de Ensenada, Ensenada 22860, B. C., Mexico
| | - Eugenio R. Méndez
- División de Física Aplicada, Centro de Investigación Científica y Educación Superior de Ensenada, Carretera Ensenada-Tijuana No. 3918, Ensenada 22860, B. C., Mexico; (J.L.-R.); (E.R.M.)
| | - Angel Licea-Claverie
- Centro de Graduados e Investigación en Química, Tecnológico Nacional de México/Instituto Tecnológico de Tijuana, Apartado Postal 1166, Tijuana 22454, Mexico
- Correspondence: (M.A.G.-A.); (A.L.-C.)
| |
Collapse
|
15
|
The Effect of Hypoxia on Relative Biological Effectiveness and Oxygen Enhancement Ratio for Cells Irradiated with Grenz Rays. Cancers (Basel) 2022; 14:cancers14051262. [PMID: 35267573 PMCID: PMC8909589 DOI: 10.3390/cancers14051262] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2021] [Revised: 02/11/2022] [Accepted: 02/25/2022] [Indexed: 12/31/2022] Open
Abstract
Grenz-ray therapy (GT) is commonly used for dermatological radiotherapy and has a higher linear energy transfer, relative biological effectiveness (RBE) and oxygen enhancement ratio (OER). GT is a treatment option for lentigo maligna and lentigo maligna melanoma. This study aims to calculate the RBE for DNA double-strand break (DSB) induction and cell survival under hypoxic conditions for GT. The yield of DSBs induced by GT is calculated at the aerobic and hypoxic conditions, using a Monte Carlo damage simulation (MCDS) software. The RBE value for cell survival is calculated using the repair–misrepair–fixation (RMF) model. The RBE values for cell survival for cells irradiated by 15 kV, 10 kV and 10 kVp and titanium K-shell X-rays (4.55 kV) relative to 60Co γ-rays are 1.0–1.6 at the aerobic conditions and moderate hypoxia (2% O2), respectively, but increase to 1.2, 1.4 and 1.9 and 2.1 in conditions of severe hypoxia (0.1% O2). The OER values for DSB induction relative to 60Co γ-rays are about constant and ~2.4 for GT, but the OER for cell survival is 2.8–2.0 as photon energy decreases from 15 kV to 4.55 kV. The results indicate that GT results in more DSB induction and allows effective tumor control for superficial and hypoxic tumors.
Collapse
|
16
|
Pan P, Dong X, Chen Y, Zeng X, Zhang XZ. Engineered Bacteria for Enhanced Radiotherapy against Breast Carcinoma. ACS NANO 2022; 16:801-812. [PMID: 35029367 DOI: 10.1021/acsnano.1c08350] [Citation(s) in RCA: 25] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Radiotherapy is widely applied for multiple malignant tumors ablation in the clinic. However, redundant doses of X-rays might destroy normal tissue in the periphery of tumor sites. Here, we developed an integrated nanosystem (Bac@BNP) composed of engineered bacteria (Bac) and Bi2S3 nanoparticles (BNPs) for sensitizing radiotherapy. Bac could target and colonize in tumor sites alternatively, which overexpressed cytolysin A (ClyA) protein to regulate the cell cycle from a radioresistant phase to a radiosensitive phase. Simultaneously, peptide-modified BNPs, as a radiosensitizer with a high-Z element, was released from the surface of Bac owing to the matrix metalloproteinase-2 (MMP-2) response in the tumor microenvironment. Under X-ray irradiation, BNPs could enhance the radiotherapy sensitivity by triggering the intracellular generation of reactive oxygen species (ROS), coupled with DNA damage. In this constructed nanosystem, the combination of Bac@BNP and X-ray irradiation led to significant suppression of breast carcinoma in murine models with reduced side effects.
Collapse
Affiliation(s)
- Pei Pan
- Key Laboratory of Biomedical Polymers of Ministry of Education & Department of Chemistry, Wuhan University, Wuhan 430072, People's Republic of China
| | - Xue Dong
- The Institute for Advanced Studies, Wuhan University, Wuhan 430072, People's Republic of China
| | - Ying Chen
- Key Laboratory of Biomedical Polymers of Ministry of Education & Department of Chemistry, Wuhan University, Wuhan 430072, People's Republic of China
| | - Xuan Zeng
- Key Laboratory of Biomedical Polymers of Ministry of Education & Department of Chemistry, Wuhan University, Wuhan 430072, People's Republic of China
| | - Xian-Zheng Zhang
- Key Laboratory of Biomedical Polymers of Ministry of Education & Department of Chemistry, Wuhan University, Wuhan 430072, People's Republic of China
- The Institute for Advanced Studies, Wuhan University, Wuhan 430072, People's Republic of China
| |
Collapse
|
17
|
Dobešová L, Gier T, Kopečná O, Pagáčová E, Vičar T, Bestvater F, Toufar J, Bačíková A, Kopel P, Fedr R, Hildenbrand G, Falková I, Falk M, Hausmann M. Incorporation of Low Concentrations of Gold Nanoparticles: Complex Effects on Radiation Response and Fate of Cancer Cells. Pharmaceutics 2022; 14:pharmaceutics14010166. [PMID: 35057061 PMCID: PMC8781406 DOI: 10.3390/pharmaceutics14010166] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2021] [Revised: 12/28/2021] [Accepted: 01/04/2022] [Indexed: 01/27/2023] Open
Abstract
(1) Background: In oncology research, a long-standing discussion exists about pros and cons of metal nanoparticle-enhanced radiotherapy and real mechanisms behind the tumor cell response to irradiation (IR) in presence of gold nanoparticles (GNPs). A better understanding of this response is, however, necessary to develop more efficient and safety nanoparticle (NP) types designed to disturb specific processes in tumor cells. (2) Aims and Methods: We combined 3D confocal microscopy and super-resolution single molecule localization microscopy (SMLM) to analyze, at the multiscale, the early and late effects of 10 nm-GNPs on DNA double strand break (DSB) induction and repair in tumor cells exposed to different doses of photonic low-LET (linear energy transfer) radiation. The results were correlated to different aspects of short and long-term cell viability. SkBr3 breast cancer cells (selected for the highest incidence of this cancer type among all cancers in women, and because most breast tumors are treated with IR) were incubated with low concentrations of GNPs and irradiated with 60Co γ-rays or 6 MV X-rays. In numerous post-irradiation (PI) times, ranging from 0.5 to 24 h PI, the cells were spatially (3D) fixed and labeled with specific antibodies against γH2AX, 53BP1 and H3K9me3. The extent of DSB induction, multi-parametric micro- and nano-morphology of γH2AX and 53BP1 repair foci, DSB repair kinetics, persistence of unrepaired DSBs, nanoscale clustering of γH2AX and nanoscale (hetero)chromatin re-organization were measured by means of the mentioned microscopy techniques in dependence of radiation dose and GNP concentration. (3) Results: The number of γH2AX/53BP1 signals increased after IR and an additional increase was observed in GNP-treated (GNP(+)) cells compared to untreated controls. However, this phenomenon reflected slight expansion of the G2-phase cell subpopulation in irradiated GNP(+) specimens instead of enhanced DNA damage induction by GNPs. This statement is further supported by some micro- and nano-morphological parameters of γH2AX/53BP1 foci, which slightly differed for cells irradiated in absence or presence of GNPs. At the nanoscale, Ripley’s distance frequency analysis of SMLM signal coordinate matrices also revealed relaxation of heterochromatin (H3K9me3) clusters upon IR. These changes were more prominent in presence of GNPs. The slight expansion of radiosensitive G2 cells correlated with mostly insignificant but systematic decrease in post-irradiation survival of GNP(+) cells. Interestingly, low GNP concentrations accelerated DSB repair kinetics; however, the numbers of persistent γH2AX/53BP1 repair foci were slightly increased in GNP(+) cells. (4) Conclusions: Low concentrations of 10-nm GNPs enhanced the G2/M cell cycle arrest and the proportion of radiosensitive G2 cells, but not the extent of DNA damage induction. GNPs also accelerated DSB repair kinetics and slightly increased presence of unrepaired γH2AX/53BP1 foci at 24 h PI. GNP-mediated cell effects correlated with slight radiosensitization of GNP(+) specimens, significant only for the highest radiation dose tested (4 Gy).
Collapse
Affiliation(s)
- Lucie Dobešová
- Institute of Biophysics, The Czech Academy of Sciences, 612 65 Brno, Czech Republic; (L.D.); (O.K.); (E.P.); (J.T.); (A.B.); (R.F.); (I.F.)
- Faculty of Science, Masaryk University, 611 37 Brno, Czech Republic
| | - Theresa Gier
- Kirchhoff Institute for Physics, Heidelberg University, 69120 Heidelberg, Germany; (T.G.); (G.H.)
| | - Olga Kopečná
- Institute of Biophysics, The Czech Academy of Sciences, 612 65 Brno, Czech Republic; (L.D.); (O.K.); (E.P.); (J.T.); (A.B.); (R.F.); (I.F.)
| | - Eva Pagáčová
- Institute of Biophysics, The Czech Academy of Sciences, 612 65 Brno, Czech Republic; (L.D.); (O.K.); (E.P.); (J.T.); (A.B.); (R.F.); (I.F.)
| | - Tomáš Vičar
- Department of Biomedical Engineering, Faculty of Electrical Engineering and Communication, Brno University of Technology, 616 00 Brno, Czech Republic;
| | - Felix Bestvater
- German Cancer Research Center (DKFZ), 69120 Heidelberg, Germany;
| | - Jiří Toufar
- Institute of Biophysics, The Czech Academy of Sciences, 612 65 Brno, Czech Republic; (L.D.); (O.K.); (E.P.); (J.T.); (A.B.); (R.F.); (I.F.)
- Faculty of Science, Masaryk University, 611 37 Brno, Czech Republic
| | - Alena Bačíková
- Institute of Biophysics, The Czech Academy of Sciences, 612 65 Brno, Czech Republic; (L.D.); (O.K.); (E.P.); (J.T.); (A.B.); (R.F.); (I.F.)
| | - Pavel Kopel
- Department of Inorganic Chemistry, Faculty of Science, Palacky University Olomouc, 779 00 Olomouc, Czech Republic;
| | - Radek Fedr
- Institute of Biophysics, The Czech Academy of Sciences, 612 65 Brno, Czech Republic; (L.D.); (O.K.); (E.P.); (J.T.); (A.B.); (R.F.); (I.F.)
| | - Georg Hildenbrand
- Kirchhoff Institute for Physics, Heidelberg University, 69120 Heidelberg, Germany; (T.G.); (G.H.)
| | - Iva Falková
- Institute of Biophysics, The Czech Academy of Sciences, 612 65 Brno, Czech Republic; (L.D.); (O.K.); (E.P.); (J.T.); (A.B.); (R.F.); (I.F.)
| | - Martin Falk
- Institute of Biophysics, The Czech Academy of Sciences, 612 65 Brno, Czech Republic; (L.D.); (O.K.); (E.P.); (J.T.); (A.B.); (R.F.); (I.F.)
- Correspondence: (M.F.); (M.H.); Tel.: +420-728-084-060 (M.F.); +49-6221-549-824 (M.H.)
| | - Michael Hausmann
- Kirchhoff Institute for Physics, Heidelberg University, 69120 Heidelberg, Germany; (T.G.); (G.H.)
- Correspondence: (M.F.); (M.H.); Tel.: +420-728-084-060 (M.F.); +49-6221-549-824 (M.H.)
| |
Collapse
|
18
|
Metallic Nanoparticles: A Useful Prompt Gamma Emitter for Range Monitoring in Proton Therapy? RADIATION 2021. [DOI: 10.3390/radiation1040025] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
In clinical practice, dose delivery in proton therapy treatment is affected by uncertainties related to the range of the beam in the patient, which requires medical physicists to introduce safety margins on the penetration depth of the beam. Although this ensures an irradiation of the entire clinical target volume with the prescribed dose, these safety margins also lead to the exposure of nearby healthy tissues and a subsequent risk of side effects. Therefore, non-invasive techniques that allow for margin reduction through online monitoring of prompt gammas emitted along the proton tracks in the patient are currently under development. This study provides the proof-of-concept of metal-based nanoparticles, injected into the tumor, as a prompt gamma enhancer, helping in the beam range verification. It identifies the limitations of this application, suggesting a low feasibility in a realistic clinical scenario but opens some avenues for improvement.
Collapse
|