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Fuentealba M, Ferreira A, Salgado A, Vergara C, Díez S, Santibáñez M. An Optimized Method for Evaluating the Potential Gd-Nanoparticle Dose Enhancement Produced by Electronic Brachytherapy. NANOMATERIALS (BASEL, SWITZERLAND) 2024; 14:430. [PMID: 38470761 DOI: 10.3390/nano14050430] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/08/2023] [Revised: 01/08/2024] [Accepted: 01/11/2024] [Indexed: 03/14/2024]
Abstract
This work reports an optimized method to experimentally quantify the Gd-nanoparticle dose enhancement generated by electronic brachytherapy. The dose enhancement was evaluated considering energy beams of 50 kVp and 70 kVp, determining the Gd-nanoparticle concentration ranges that would optimize the process for each energy. The evaluation was performed using delaminated radiochromic films and a Poly(methyl methacrylate) (PMMA) phantom covered on one side by a thin 2.5 μm Mylar filter acting as an interface between the region with Gd suspension and the radiosensitive film substrate. The results for the 70 kVp beam quality showed dose increments of 6±6%, 22±7%, and 9±7% at different concentrations of 10, 20, and 30 mg/mL, respectively, verifying the competitive mechanisms of enhancement and attenuation. For the 50 kVp beam quality, no increase in dose was recorded for the concentrations studied, indicating that the major contribution to enhancement is from the K-edge interaction. In order to separate the contributions of attenuation and enhancement to the total dose, measurements were replicated with a 12 μm Mylar filter, obtaining a dose enhancement attributable to the K-edge of 29±7% and 34±7% at 20 and 30 mg/mL, respectively, evidencing a significant additional dose proportional to the Gd concentration.
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Affiliation(s)
- Melani Fuentealba
- Departamento de Cs. Físicas, Universidad de La Frontera, Temuco 4811230, Chile
- Laboratorio de Radiaciones Ionizantes, Universidad de La Frontera, Temuco 4811230, Chile
- Departamento de Fisiología, Universitat de Valencia, 46010 Valencia, Spain
| | - Alejandro Ferreira
- Facultad de Medicina y Ciencia, Universidad San Sebastián, Santiago 7510602, Chile
| | | | - Christopher Vergara
- Departamento de Cs. Físicas, Universidad de La Frontera, Temuco 4811230, Chile
- Laboratorio de Radiaciones Ionizantes, Universidad de La Frontera, Temuco 4811230, Chile
| | - Sergio Díez
- Departamento de Fisiología, Universitat de Valencia, 46010 Valencia, Spain
- Medical Physics Department, Hospital Clínico Universitario de Valencia, 46010 Valencia, Spain
| | - Mauricio Santibáñez
- Departamento de Cs. Físicas, Universidad de La Frontera, Temuco 4811230, Chile
- Laboratorio de Radiaciones Ionizantes, Universidad de La Frontera, Temuco 4811230, Chile
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2
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Liao Y, Meng Q. Protection against cancer therapy-induced cardiovascular injury by planed-derived polyphenols and nanomaterials. ENVIRONMENTAL RESEARCH 2023; 238:116896. [PMID: 37586453 DOI: 10.1016/j.envres.2023.116896] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/27/2023] [Revised: 07/18/2023] [Accepted: 08/13/2023] [Indexed: 08/18/2023]
Abstract
Cancer therapy-induced heart injury is a significant concern for cancer patients undergoing chemotherapy, radiotherapy, immunotherapy, and also targeted molecular therapy. The use of these treatments can lead to oxidative stress and cardiomyocyte damage in the heart, which can result in heart failure and other cardiac complications. Experimental studies have revealed that chemotherapy drugs such as doxorubicin and cyclophosphamide can cause severe side effects such as cardiac fibrosis, electrophysiological remodeling, chronic oxidative stress and inflammation, etc., which may increase risk of cardiac disorders and attacks for patients that underwent chemotherapy. Similar consequences may also be observed for patients that undergo radiotherapy for left breast or lung malignancies. Polyphenols, a group of natural compounds with antioxidant and anti-inflammatory properties, have shown the potential in protecting against cancer therapy-induced heart injury. These compounds have been found to reduce oxidative stress, necrosis and apoptosis in the heart, thereby preserving cardiac function. In recent years, nanoparticles loaded with polyphenols have also provided for the delivery of these compounds and increasing their efficacy in different organs. These nanoparticles can improve the bioavailability and efficacy of polyphenols while minimizing their toxicity. This review article summarizes the current understanding of the protective effects of polyphenols and nanoparticles loaded with polyphenols against cancer therapy-induced heart injury. The article discusses the mechanisms by which polyphenols protect the heart, including antioxidant and anti-inflammation abilities. The article also highlights the potential benefits of using nanoparticles for the delivery of polyphenols.
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Affiliation(s)
- Yunshu Liao
- Department of Cardiac Surgery, The First Hospital Affiliated to the Army Medical University, Chongqing, 400038, China
| | - Qinghua Meng
- Department of Cardiac Surgery, The First Hospital Affiliated to the Army Medical University, Chongqing, 400038, China.
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3
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Moloudi K, Khani A, Najafi M, Azmoonfar R, Azizi M, Nekounam H, Sobhani M, Laurent S, Samadian H. Critical parameters to translate gold nanoparticles as radiosensitizing agents into the clinic. WILEY INTERDISCIPLINARY REVIEWS. NANOMEDICINE AND NANOBIOTECHNOLOGY 2023; 15:e1886. [PMID: 36987630 DOI: 10.1002/wnan.1886] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/07/2023] [Revised: 02/03/2023] [Accepted: 02/04/2023] [Indexed: 03/30/2023]
Abstract
Radiotherapy is an inevitable choice for cancer treatment that is applied as combinatorial therapy along with surgery and chemotherapy. Nevertheless, radiotherapy at high doses kills normal and tumor cells at the same time. In addition, some tumor cells are resistant to radiotherapy. Recently, many researchers have focused on high-Z nanomaterials as radiosensitizers for radiotherapy. Among them, gold nanoparticles (GNPs) have shown remarkable potential due to their promising physical, chemical, and biological properties. Although few clinical trial studies have been performed on drug delivery and photosensitization with lasers, GNPs have not yet received Food and Drug Administration approval for use in radiotherapy. The sensitization effects of GNPs are dependent on their concentration in cells and x-ray energy deposition during radiotherapy. Notably, some limitations related to the properties of the GNPs, including their size, shape, surface charge, and ligands, and the radiation source energy should be resolved. At the first, this review focuses on some of the challenges of using GNPs as radiosensitizers and some biases among in vitro/in vivo, Monte Carlo, and clinical studies. Then, we discuss the challenges in the clinical translation of GNPs as radiosensitizers for radiotherapy and proposes feasible solutions. And finally, we suggest that certain areas be considered in future research. This article is categorized under: Therapeutic Approaches and Drug Discovery > NA.
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Affiliation(s)
- Kave Moloudi
- Department of Radiology and Nuclear Medicine, Alley School of Medicine, Kermanshah University of Medical Sciences, Kermanshah, Iran
- Department of Laser Research Centre, Faculty of Health Sciences, University of Johannesburg, Johannesburg, South Africa
| | - Ali Khani
- Department of Radiation Sciences, Alley School of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Masoud Najafi
- Department of Radiology and Nuclear Medicine, Alley School of Medicine, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Rasool Azmoonfar
- Department of Radiology, School of Paramedical Sciences, Hamadan University of Medical Sciences, Hamadan, Iran
| | - Mehdi Azizi
- Department of Tissue Engineering and Biomaterials, School of Advanced Medical Sciences and Technologies, Hamadan University of Medical Sciences, Hamadan, Iran
- Dental Implants Research Center, Hamadan University of Medical Sciences, Hamadan, Iran
| | - Houra Nekounam
- Pharmaceutical Sciences Research Center, Health Institute, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Mahsa Sobhani
- Department of Medical Nanotechnology, School of Advanced Technologies in Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Sophie Laurent
- Department of General, Organic and Biomedical Chemistry, Faculty of Medicine and Pharmacy, NMR and Molecular Imaging Laboratory, University of Mons, Mons, Belgium
| | - Hadi Samadian
- Dental Implants Research Center, Hamadan University of Medical Sciences, Hamadan, Iran
- Research Center for Molecular Medicine, Hamadan University of Medical Sciences, Hamadan, Iran
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4
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Winuprasith T, Koirala P, McClements DJ, Khomein P. Emulsion Technology in Nuclear Medicine: Targeted Radionuclide Therapies, Radiosensitizers, and Imaging Agents. Int J Nanomedicine 2023; 18:4449-4470. [PMID: 37555189 PMCID: PMC10406121 DOI: 10.2147/ijn.s416737] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2023] [Accepted: 07/19/2023] [Indexed: 08/10/2023] Open
Abstract
Radiopharmaceuticals serve as a major part of nuclear medicine contributing to both diagnosis and treatment of several diseases, especially cancers. Currently, most radiopharmaceuticals are based on small molecules with targeting ability. However, some concerns over their stability or non-specific interactions leading to off-target localization are among the major challenges that need to be overcome. Emulsion technology has great potential for the fabrication of carrier systems for radiopharmaceuticals. It can be used to create particles with different compositions, structures, sizes, and surface characteristics from a wide range of generally recognized as safe (GRAS) materials, which allows their functionality to be tuned for specific applications. In particular, it is possible to carry out surface modifications to introduce targeting and stealth properties, as well as to control the particle dimensions to manipulate diffusion and penetration properties. Moreover, emulsion preparation methods are usually simple, economic, robust, and scalable, which makes them suitable for medical applications. In this review, we highlight the potential of emulsion technology in nuclear medicine for developing targeted radionuclide therapies, for use as radiosensitizers, and for application in radiotracer delivery in gamma imaging techniques.
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Affiliation(s)
| | - Pankaj Koirala
- Institute of Nutrition, Mahidol University, Nakhon Pathom, 73170, Thailand
| | - David J McClements
- Department of Food Science, University of Massachusetts Amherst, Amherst, MA, 01003, USA
| | - Piyachai Khomein
- Division of Nuclear Medicine, Department of Radiology, Faculty of Medicine, Chulalongkorn University, Bangkok, 10330, Thailand
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5
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Shi H, Wang K, Tang S, Zhai S, Shi J, Su C, Liu L. Large Range Atomic Force Microscopy with High Aspect Ratio Micropipette Probe for Deep Trench Imaging. SMALL METHODS 2023; 7:e2201401. [PMID: 36811166 DOI: 10.1002/smtd.202201401] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/28/2022] [Revised: 01/18/2023] [Indexed: 05/06/2023]
Abstract
Atomic force microscopy (AFM) has been adopted in both industry and academia for high-fidelity, full-profile topographic characterization. Typically, the tiny tip of the cantilever and the limited traveling range of the scanner restrict AFM measurement to relatively flat samples (recommend 1 µm). The primary objective of this work is to address these limitations using a large-range AFM (measuring height >10 µm) system consisting of a novel repairable high aspect ratio probe (HARP) with a nested-proportional-integral-derivative (nested-PID) AFM system. The HARP is fabricated using a reliable, cost-efficient bench-top process. The tip is then fused by pulling the end of the micropipette cantilever with a length up to hundreds of micrometers and a tip diameter of 30 nm. The design, simulation, fabrication, and performance of the HARP are described herein. This instrument is then tested using polymer trenches which reveals superior image fidelity compared to standard silicon tips. Finally, a nested-PID system is developed and employed to facilitate 3D characterization of 50-µm-step samples. The results demonstrate the efficacy of the proposed bench-top technique for the fabrication of low-cost, simple HAR AFM probes that facilitate the imaging of samples with deep trenches.
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Affiliation(s)
- Huiyao Shi
- State Key Laboratory of Robotics, Shenyang Institute of Automation, Chinese Academy of Sciences, 110016, Shenyang, P. R. China
- Institutes for Robotics and Intelligent Manufacturing, Chinese Academy of Sciences, 110169, Shenyang, P. R. China
- University of Chinese Academy of Sciences, 100049, Beijing, P. R. China
| | - Kaixuan Wang
- State Key Laboratory of Robotics, Shenyang Institute of Automation, Chinese Academy of Sciences, 110016, Shenyang, P. R. China
- Institutes for Robotics and Intelligent Manufacturing, Chinese Academy of Sciences, 110169, Shenyang, P. R. China
- University of Chinese Academy of Sciences, 100049, Beijing, P. R. China
| | - Si Tang
- State Key Laboratory of Robotics, Shenyang Institute of Automation, Chinese Academy of Sciences, 110016, Shenyang, P. R. China
- Institutes for Robotics and Intelligent Manufacturing, Chinese Academy of Sciences, 110169, Shenyang, P. R. China
- University of Chinese Academy of Sciences, 100049, Beijing, P. R. China
| | - Shenghang Zhai
- State Key Laboratory of Robotics, Shenyang Institute of Automation, Chinese Academy of Sciences, 110016, Shenyang, P. R. China
- Institutes for Robotics and Intelligent Manufacturing, Chinese Academy of Sciences, 110169, Shenyang, P. R. China
- University of Chinese Academy of Sciences, 100049, Beijing, P. R. China
| | - Jialin Shi
- State Key Laboratory of Robotics, Shenyang Institute of Automation, Chinese Academy of Sciences, 110016, Shenyang, P. R. China
- Institutes for Robotics and Intelligent Manufacturing, Chinese Academy of Sciences, 110169, Shenyang, P. R. China
| | - Chanmin Su
- State Key Laboratory of Robotics, Shenyang Institute of Automation, Chinese Academy of Sciences, 110016, Shenyang, P. R. China
- Institutes for Robotics and Intelligent Manufacturing, Chinese Academy of Sciences, 110169, Shenyang, P. R. China
| | - Lianqing Liu
- State Key Laboratory of Robotics, Shenyang Institute of Automation, Chinese Academy of Sciences, 110016, Shenyang, P. R. China
- Institutes for Robotics and Intelligent Manufacturing, Chinese Academy of Sciences, 110169, Shenyang, P. R. China
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6
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Haque M, Shakil MS, Mahmud KM. The Promise of Nanoparticles-Based Radiotherapy in Cancer Treatment. Cancers (Basel) 2023; 15:cancers15061892. [PMID: 36980778 PMCID: PMC10047050 DOI: 10.3390/cancers15061892] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2023] [Revised: 03/13/2023] [Accepted: 03/15/2023] [Indexed: 03/30/2023] Open
Abstract
Radiation has been utilized for a long time for the treatment of cancer patients. However, radiotherapy (RT) has many constraints, among which non-selectivity is the primary one. The implementation of nanoparticles (NPs) with RT not only localizes radiation in targeted tissue but also provides significant tumoricidal effect(s) compared to radiation alone. NPs can be functionalized with both biomolecules and therapeutic agents, and their combination significantly reduces the side effects of RT. NP-based RT destroys cancer cells through multiple mechanisms, including ROS generation, which in turn damages DNA and other cellular organelles, inhibiting of the DNA double-strand damage-repair system, obstructing of the cell cycle, regulating of the tumor microenvironment, and killing of cancer stem cells. Furthermore, such combined treatments overcome radioresistance and drug resistance to chemotherapy. Additionally, NP-based RT in combined treatments have shown synergistic therapeutic benefit(s) and enhanced the therapeutic window. Furthermore, a combination of phototherapy, i.e., photodynamic therapy and photothermal therapy with NP-based RT, not only reduces phototoxicity but also offers excellent therapeutic benefits. Moreover, using NPs with RT has shown promise in cancer treatment and shown excellent therapeutic outcomes in clinical trials. Therefore, extensive research in this field will pave the way toward improved RT in cancer treatment.
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Affiliation(s)
- Munima Haque
- Department of Mathematics and Natural Sciences, BRAC University, Dhaka 1212, Bangladesh
| | - Md Salman Shakil
- Department of Mathematics and Natural Sciences, BRAC University, Dhaka 1212, Bangladesh
| | - Kazi Mustafa Mahmud
- Department of Biochemistry and Molecular Biology, Jahangirnagar University, Savar, Dhaka 1342, Bangladesh
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7
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Bordeianu G, Filip N, Cernomaz A, Veliceasa B, Hurjui LL, Pinzariu AC, Pertea M, Clim A, Marinca MV, Serban IL. The Usefulness of Nanotechnology in Improving the Prognosis of Lung Cancer. Biomedicines 2023; 11:biomedicines11030705. [PMID: 36979684 PMCID: PMC10045176 DOI: 10.3390/biomedicines11030705] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2023] [Revised: 02/20/2023] [Accepted: 02/22/2023] [Indexed: 03/02/2023] Open
Abstract
Lung cancer remains a major public health problem both in terms of incidence and specific mortality despite recent developments in terms of prevention, such as smoking reduction policies and clinical management advances. Better lung cancer prognosis could be achieved by early and accurate diagnosis and improved therapeutic interventions. Nanotechnology is a dynamic and fast-developing field; various medical applications have been developed and deployed, and more exist as proofs of concepts or experimental models. We aim to summarize current knowledge relevant to the use of nanotechnology in lung cancer management. Starting from the chemical structure-based classification of nanoparticles, we identify and review various practical implementations roughly organized as diagnostic or therapeutic in scope, ranging from innovative contrast agents to targeted drug carriers. Available data are presented starting with standards of practice and moving to highly experimental methods and proofs of concept; particularities, advantages, limits and future directions are explored, focusing on the potential impact on lung cancer clinical prognosis.
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Affiliation(s)
- Gabriela Bordeianu
- Department of Morpho-Functional Sciences (II), Discipline of Biochemistry, Faculty of Medicine, “Grigore T. Popa” University of Medicine and Pharmacy, 700115 Iasi, Romania
| | - Nina Filip
- Department of Morpho-Functional Sciences (II), Discipline of Biochemistry, Faculty of Medicine, “Grigore T. Popa” University of Medicine and Pharmacy, 700115 Iasi, Romania
- Correspondence: (N.F.); (A.C.)
| | - Andrei Cernomaz
- III-rd Medical Department, Discipline of Pneumology, “Grigore T. Popa” University of Medicine and Pharmacy, 700115 Iasi, Romania
- Correspondence: (N.F.); (A.C.)
| | - Bogdan Veliceasa
- Department of Orthopedics and Traumatology, Surgical Science (II), Faculty of Medicine, “Grigore T. Popa” University of Medicine and Pharmacy, 700115 Iasi, Romania
| | - Loredana Liliana Hurjui
- Department of Morpho-Functional Sciences (II), Discipline of Physiology, Faculty of Medicine, “Grigore T. Popa” University of Medicine and Pharmacy, 700115 Iasi, Romania
| | - Alin Constantin Pinzariu
- Department of Morpho-Functional Sciences (II), Discipline of Physiology, Faculty of Medicine, “Grigore T. Popa” University of Medicine and Pharmacy, 700115 Iasi, Romania
| | - Mihaela Pertea
- Department of Plastic Surgery and Reconstructive Microsurgery, “Sf. Spiridon” Emergency County Hospital, 700111 Iasi, Romania
| | - Andreea Clim
- Department of Morpho-Functional Sciences (II), Discipline of Physiology, Faculty of Medicine, “Grigore T. Popa” University of Medicine and Pharmacy, 700115 Iasi, Romania
| | - Mihai Vasile Marinca
- III-rd Medical Department, Discipline of Oncology, “Grigore T. Popa” University of Medicine and Pharmacy, 700115 Iasi, Romania
| | - Ionela Lacramioara Serban
- Department of Morpho-Functional Sciences (II), Discipline of Physiology, Faculty of Medicine, “Grigore T. Popa” University of Medicine and Pharmacy, 700115 Iasi, Romania
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8
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Nejabat M, Samie A, Ramezani M, Alibolandi M, Abnous K, Taghdisi SM. An Overview on Gold Nanorods as Versatile Nanoparticles in Cancer Therapy. J Control Release 2023; 354:221-242. [PMID: 36621644 DOI: 10.1016/j.jconrel.2023.01.009] [Citation(s) in RCA: 13] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2022] [Revised: 01/03/2023] [Accepted: 01/04/2023] [Indexed: 01/10/2023]
Abstract
Gold nanorods (GNRs/AuNRs) are a group of gold nanoparticles which their simple surface chemistry allows for various surface modifications, providing the possibility of using them in the fabrication of biocompatible and functional nano-agents for cancer therapy. AuNRs, moreover, exhibit a maximum absorption of longitudinal localized surface plasmon resonance (LSPR) in the near-infrared (NIR) region which overlaps with NIR bio-tissue 'window' suggesting that they are proper tools for thermal ablation of cancer cells. AuNRs can be used for induction of mono or combination therapies by administering various therapeutic approaches such as photothermal therapy (PTT), photodynamic therapy (PDT), chemotherapy (CT), radiotherapy (RT), and gene therapy (GT). In this review, anticancer therapeutic capacities of AuNRs along with different surface modifications are summarized comprehensively. The roles of AuNRs in fabrication of various nano-constructs are also discussed.
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Affiliation(s)
- Masoud Nejabat
- Department of Medicinal Chemistry, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Ali Samie
- Department of Medicinal Chemistry, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran; Targeted Drug Delivery Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Mohammad Ramezani
- Pharmaceutical Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Mona Alibolandi
- Pharmaceutical Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Khalil Abnous
- Pharmaceutical Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran.
| | - Seyed Mohammad Taghdisi
- Targeted Drug Delivery Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran; Department of Pharmaceutical Biotechnology, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran.
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9
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Ditta SA, Yaqub A, Tanvir F, Rashid M, Ullah R, Zubair M, Ali S, Anjum KM. Gold nanoparticles capped with L-glycine, L-cystine, and L-tyrosine: toxicity profiling and antioxidant potential. JOURNAL OF MATERIALS SCIENCE 2023; 58:2814-2837. [PMID: 36743265 PMCID: PMC9888356 DOI: 10.1007/s10853-023-08209-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/20/2022] [Accepted: 01/16/2023] [Indexed: 06/18/2023]
Abstract
Biomolecules-based surface modifications of nanomaterials may yield effective and biocompatible nanoconjugates. This study was designed to evaluate gold nanoconjugates (AuNCs) for their altered antioxidant potential. Gold nanoparticles (AuNPs) and their conjugates gave SPR peaks in the ranges of 512-525 nm, with red or blueshift for different conjugates. Cys-AuNCs demonstrated enhanced (p < 0.05) and Gly-AuNCs (p > 0.05) displayed reduced DPPH activity. Gly-AuNCs and Tyr-AuNCs displayed enhanced ferric-reducing power and hydrogen peroxide scavenging activity, respectively. Cadmium-intoxicated mice were exposed to gold nanomaterials, and the level of various endogenous parameters, i.e., CAT, GST, SOD, GSH, and MTs, was evaluated. GSH and MTs in liver tissues of the cadmium-exposed group (G2) were elevated (p < 0.05), while other groups showed nonsignificance deviations than the control group. It is concluded that these nanoconjugates might provide effective nanomaterials for biomedical applications. However, more detailed studies for their safety profiling are needed before their practical applications.
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Affiliation(s)
- Sarwar Allah Ditta
- Department of Zoology, Government College University, Lahore, 54000 Pakistan
| | - Atif Yaqub
- Department of Zoology, Government College University, Lahore, 54000 Pakistan
| | - Fouzia Tanvir
- Department of Zoology, University of Okara, Okara, 56300 Pakistan
| | - Muhammad Rashid
- Department of Zoology, Government College University, Lahore, 54000 Pakistan
| | - Rehan Ullah
- Department of Zoology, Government College University, Lahore, 54000 Pakistan
| | - Muhammad Zubair
- Department of Wildlife and Ecology, The University of Veterinary and Animal Sciences, Lahore, 54000 Pakistan
| | - Shaista Ali
- Department of Chemistry, Government College University, Lahore, 54000 Pakistan
| | - Khalid Mahmood Anjum
- Department of Wildlife and Ecology, The University of Veterinary and Animal Sciences, Lahore, 54000 Pakistan
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10
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Bromma K, Dos Santos N, Barta I, Alexander A, Beckham W, Krishnan S, Chithrani DB. Enhancing nanoparticle accumulation in two dimensional, three dimensional, and xenograft mouse cancer cell models in the presence of docetaxel. Sci Rep 2022; 12:13508. [PMID: 35931743 PMCID: PMC9356051 DOI: 10.1038/s41598-022-17752-5] [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: 02/14/2022] [Accepted: 07/30/2022] [Indexed: 11/10/2022] Open
Abstract
Recent clinical trials show docetaxel (DTX), given in conjunction with radiation therapy (RT) and androgen suppression, improves survival in high-risk prostate cancer. Addition of gold nanoparticles (GNPs) to this current DTX/RT protocol is expected to further improve therapeutic benefits remarkably. However, the foundation for the triple combination of RT, DTX, and GNPs must be elucidated to ensure quicker facilitation to the clinic. In this study, we explored the use of low concentrations of DTX combined with GNPs in two prostate cancer cell lines in a two-dimensional monolayer, a three-dimensional spheroid, and a mouse xenograft model. When used together, DTX and GNPs induced a nearly identical relative increase in uptake of gold in both the spheroid model and the mouse xenograft, which saw a 130% and 126% increase respectively after 24 h, showcasing the benefit of using spheroids as an in vitro model to better optimize in vivo experiments. Further, the benefits of using low concentrations of DTX combined with GNPs extended for over 72 h, allowing for less frequency in dosing when translating to the clinic. Overall, these results highlight the benefits of using DTX combined with GNPs and lays the groundwork for the translation of the triple combination of RT, GNPs, and DTX to the clinic.
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Affiliation(s)
- Kyle Bromma
- Department of Physics and Astronomy, University of Victoria, Victoria, BC, Canada
| | - Nancy Dos Santos
- British Columbia Cancer Research Institute, Vancouver, BC, Canada
| | - Ingrid Barta
- Animal Care Services, University of British Columbia, Vancouver, BC, Canada
| | - Abraham Alexander
- Department of Physics and Astronomy, University of Victoria, Victoria, BC, Canada.,Department of Surgery, University of British Columbia, Vancouver, BC, Canada
| | - Wayne Beckham
- Department of Physics and Astronomy, University of Victoria, Victoria, BC, Canada.,British Columbia Cancer, Victoria, BC, Canada
| | - Sunil Krishnan
- Department of Radiation Oncology, Mayo Clinic, Jacksonville, Florida, USA
| | - Devika B Chithrani
- Department of Physics and Astronomy, University of Victoria, Victoria, BC, Canada. .,British Columbia Cancer, Victoria, BC, Canada. .,Centre for Advanced Materials and Related Technologies (CAMTEC), University of Victoria, Victoria, BC, Canada. .,Division of Medical Sciences, University of Victoria, Victoria, BC, Canada.
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11
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Ni N, Wang W, Sun Y, Sun X, Leong DT. Inducible endothelial leakiness in nanotherapeutic applications. Biomaterials 2022; 287:121640. [PMID: 35772348 DOI: 10.1016/j.biomaterials.2022.121640] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2022] [Revised: 05/23/2022] [Accepted: 06/14/2022] [Indexed: 11/02/2022]
Abstract
All intravenous delivered nanomedicine needs to escape from the blood vessel to exert their therapeutic efficacy at their designated site of action. Failure to do so increases the possibility of detrimental side effects and negates their therapeutic intent. Many powerful anticancer nanomedicine strategies rely solely on the tumor derived enhanced permeability and retention (EPR) effect for the only mode of escaping from the tumor vasculature. However, not all tumors have the EPR effect nor can the EPR effect be induced or controlled for its location and timeliness. In recent years, there have been exciting developments along the lines of inducing endothelial leakiness at the tumor to decrease the dependence of EPR. Physical disruption of the endothelial-endothelial cell junctions with coordinated biological intrinsic pathways have been proposed that includes various modalities like ultrasound, radiotherapy, heat and even nanoparticles, appear to show good progress towards the goal of inducing endothelial leakiness. This review explains the intricate and complex biological background behind the endothelial cells with linkages on how updated reported nanomedicine strategies managed to induce endothelial leakiness. This review will also end off with fresh insights on where the future of inducible endothelial leakiness holds.
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Affiliation(s)
- Nengyi Ni
- Department of Chemical and Biomolecular Engineering, National University of Singapore, 4 Engineering Drive 4, Singapore, 117585, Singapore
| | - Weiyi Wang
- School of Chemistry and Pharmaceutical Engineering, Medical Science and Technology Innovation Center, Shandong First Medical University & Shandong Academy of Medical Sciences, Jinan, 250000, China
| | - Yu Sun
- Department of Chemical and Biomolecular Engineering, National University of Singapore, 4 Engineering Drive 4, Singapore, 117585, Singapore; Department of Ultrasound in Medicine, The Second Affiliated Hospital of Zhejiang University School of Medicine, No.88 Jiefang Road, Shangcheng District, Hangzhou, 310009, PR China
| | - Xiao Sun
- School of Chemistry and Pharmaceutical Engineering, Medical Science and Technology Innovation Center, Shandong First Medical University & Shandong Academy of Medical Sciences, Jinan, 250000, China.
| | - David Tai Leong
- Department of Chemical and Biomolecular Engineering, National University of Singapore, 4 Engineering Drive 4, Singapore, 117585, Singapore.
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12
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Ershov AY, Martynenkov AA, Lagoda IV, Batyrenko AA, Drachev IS, Yakunchikova EA, Fedoros EI, Kruglov SS, Kopanitsa MA, Yakimansky AV. Synthesis and Radio-Oncological Efficiency of Gold Glyco-Nanoparticles Based on the Aldose Condensation Products with Lipoic (Thioctic) Hydrazide. RUSS J GEN CHEM+ 2022. [DOI: 10.1134/s1070363222050140] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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13
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Petrovic LZ, Oumano M, Hanlon J, Arnoldussen M, Koruga I, Yasmin-Karim S, Ngwa W, Celli J. Image-Based Quantification of Gold Nanoparticle Uptake and Localization in 3D Tumor Models to Inform Radiosensitization Schedule. Pharmaceutics 2022; 14:pharmaceutics14030667. [PMID: 35336040 PMCID: PMC8953383 DOI: 10.3390/pharmaceutics14030667] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2021] [Revised: 02/24/2022] [Accepted: 03/10/2022] [Indexed: 12/13/2022] Open
Abstract
Gold nanoparticles (GNPs) have shown particular promise as radiosensitizing agents and as complementary drug delivery agents to improve therapeutic index in cancer treatment. Optimal implementation, however, depends critically on the localization of GNPs at the time of irradiation, which, in turn, depends on their size, shape, and chemical functionalization, as well as organism-level pharmacokinetics and interactions with the tumor microenvironment. Here, we use in vitro 3D cultures of A549 lung carcinoma cells, which recapitulate interaction with extracellular matrix (ECM) components, combined with quantitative fluorescence imaging to study how time-dependent localization of ultrasmall GNPs in tumors and ECM impacts the degree of damage enhancement to tumor cells. Confocal imaging of fluorescence-labeled GNPs in 3D culture reveals that nanoparticles are initially embedded in ECM and only gradually accumulate in cancer cells over multiple days. Furthermore, the timing of GNP redistribution from ECM to cellular compartments directly impacts efficacy, with major damage enhancement when irradiation is performed after GNPs have accumulated significantly in 3D tumor nodules. These results underscore the importance of the timing and scheduling in treatment planning to ensure optimal radiosensitization, as well as the necessity of studying these effects in model systems that recapitulate elements of tumor microenvironment interaction.
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Affiliation(s)
- Ljubica Z. Petrovic
- Department of Physics, University of Massachusetts at Boston, Boston, MA 02125, USA;
| | - Michael Oumano
- Medical Physics Program, Department of Physics and Applied Physics, University of Massachusetts Lowell, Lowell, MA 02125, USA;
| | - Justin Hanlon
- ZEISS Group, Carl Zeiss Meditec, Inc., Dublin, CA 94568, USA; (J.H.); (M.A.); (I.K.)
| | - Mark Arnoldussen
- ZEISS Group, Carl Zeiss Meditec, Inc., Dublin, CA 94568, USA; (J.H.); (M.A.); (I.K.)
| | - Igor Koruga
- ZEISS Group, Carl Zeiss Meditec, Inc., Dublin, CA 94568, USA; (J.H.); (M.A.); (I.K.)
| | | | - Wilfred Ngwa
- Medical Physics Program, Department of Physics and Applied Physics, University of Massachusetts Lowell, Lowell, MA 02125, USA;
- Dana-Farber/Harvard Cancer Center, Boston, MA 02215, USA;
- Department of Radiation Oncology, Johns Hopkins University, Washington, DC 20016, USA
- Correspondence: (W.N.); (J.C.)
| | - Jonathan Celli
- Department of Physics, University of Massachusetts at Boston, Boston, MA 02125, USA;
- Correspondence: (W.N.); (J.C.)
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14
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Tegaw EM, Geraily G, Gholami S, Shojaei M, Tadesse GF. Gold-nanoparticle-enriched breast tissue in breast cancer treatment using the INTRABEAM® system: a Monte Carlo study. RADIATION AND ENVIRONMENTAL BIOPHYSICS 2022; 61:119-131. [PMID: 34860272 DOI: 10.1007/s00411-021-00954-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/09/2021] [Accepted: 11/07/2021] [Indexed: 06/13/2023]
Abstract
Using a 50-kV INTRABEAM® system after breast-conserving surgery, breast skin injury and long treatment time remain the challenging problems when large-size spherical applicators are used. This study has aimed to address these problems using gold (Au) nanoparticles (NPs). For this, surface and isotropic doses were measured using a Gafchromic EBT3 film and a water phantom. The particle propagation code EGSnrc/Epp was used to score the corresponding doses using a geometry similar to that used in the measurements. The simulation was validated using a gamma index of 2%/2 mm acceptance criterion in the gamma analysis. After validation Au-NP-enriched breast tissue was simulated to quantify any breast skin dose reduction and shortening of treatment time. It turned out that the gamma value deduced for validation of the simulation was in an acceptable range (i.e., less than one). For 20 mg-Au/g-breast tissue, the calculated Dose Enhancement Ratio (DER) of the breast skin was 0.412 and 0.414 using applicators with diameters of 1.5 cm and 5 cm, respectively. The corresponding treatment times were shortened by 72.22% and 72.30% at 20 mg-Au/g-breast tissue concentration, respectively. It is concluded that Au-NP-enriched breast tissue shows significant advantages, such as reducing the radiation dose received by the breast skin as well as shortening the treatment time. Additionally, the DERs were not significantly dependent on the size of the applicators.
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Affiliation(s)
- Eyachew Misganew Tegaw
- Department of Physics, Faculty of Natural and Computational Sciences, Debre Tabor University, Debre Tabor, Ethiopia
| | - Ghazale Geraily
- Department of Medical Physics and Biomedical Engineering, School of Medicine, International Campus (TUMS-IC), Tehran University of Medical Sciences, Tehran, Iran.
| | - Somayeh Gholami
- Radiation Oncology Research Center, Cancer Institute, Tehran University of Medical Sciences, Tehran, Iran
| | - Mehdi Shojaei
- Department of Medical Physics and Biomedical Engineering, School of Medicine, International Campus (TUMS-IC), Tehran University of Medical Sciences, Tehran, Iran
| | - Getu Ferenji Tadesse
- Department of Physics, College of Natural and Computational Sciences, Aksum University, Axum, Ethiopia
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15
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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).
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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.)
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16
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García-O'Farrill N, Pugazhendhi S, Karth PA, Hunter AA. Radiation retinopathy intricacies and advances in management. Semin Ophthalmol 2021; 37:417-435. [PMID: 34874814 DOI: 10.1080/08820538.2021.2000623] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
Background: Radiation retinopathy is a chronic, progressive, vision-threatening complication from exposure to various radiation sources. While several treatment modalities are available, proper management for this disease is a continuing challenge with no consensus on the most efficacious.Objective: The aim of this article is to provide an updated review of the published literature on the course of the disease, available treatments and their efficacies, frequency of regimen, core issues in patient management, and additional newer treatment modalities, including possible prophylactic approaches.Value: We also highlighted the challenges encountered with managing chronically treated patients through an analysis of a clinical case report on a patient who was treated for several years with different modalities after a diagnosis of radiation retinopathy.
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Affiliation(s)
- Noraliz García-O'Farrill
- Oregon Eye Consultants, Eugene, OR, USA.,Department of Ophthalmology, School of Medicine, University of Puerto Rico Medical Sciences Campus, San Juan, PR, USA
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17
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Huang Y, Hu X, Zhong Y, Lai Y, Shen C, Jia X. Improving dose calculation accuracy in preclinical radiation experiments using multi-energy element resolved cone beam CT. Phys Med Biol 2021; 66. [PMID: 34753117 DOI: 10.1088/1361-6560/ac37fc] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2021] [Accepted: 11/09/2021] [Indexed: 11/12/2022]
Abstract
Cone-beam CT (CBCT) in modern pre-clinical small-animal radiation research platforms provides volumetric images for image guidance and experiment planning purposes. In this work, we implemented multi-energy element-resolved (MEER) CBCT using three scans with different kVps on a SmART platform (Precision X-ray Inc.) We performed comprehensive calibration tasks achieve sufficient accuracy for this quantitative imaging purpose. For geometry calibration, we scanned a ball bearing phantom and used an analytical method together with an optimization approach to derive gantry-angle specific geometry parameters. Intensity calibration and correction included the corrections for detector lag, glare, and beam hardening. The corrected CBCT projection images acquired at 30, 40 and 60 kVp in multiple scans were used to reconstruct CBCT images using the Feldkamp-Davis-Kress reconstruction algorithm. After that, an optimization problem was solved to determine images of relative electron density (rED) and elemental composition (EC) that are needed for Monte Carlo-based radiation dose calculation. We demonstrated effectiveness of our CBCT calibration steps by showing improvements in image quality and successful material decomposition in cases with a small animal CT calibration phantom and a plastinated mouse phantom. It was found that artifacts induced by geometry inaccuracy, detector lag, glare and beam hardening were visually reduced. CT number mean errors were reduced from 19\% to 5\%. In the CT calibration phantom case, median errors in H, O, and Ca fractions for all the inserts were below 1\%, 2\%, and 4\% respectively, and median error in rED was less than 5\%. Compared to standard approach deriving material type and rED via CT number conversion, our approach improved Monte Carlo simulation-based dose calculation accuracy in bone regions. Mean dose error was reduced from 47.5\% to 10.9\%.
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Affiliation(s)
- Yanqi Huang
- Department of Radiation Oncology, UT Southwestern Medical Center, Dallas, Texas, UNITED STATES
| | - Xiaoyu Hu
- The University of Texas Southwestern Medical Center, Dallas, Texas, UNITED STATES
| | - Yuncheng Zhong
- Department of Radiation Oncology, University of Texas Southwestern Medical Centre, Dallas, Texas, UNITED STATES
| | - Youfang Lai
- Radiation Oncology, UT Southwestern Medical, Dallas, UNITED STATES
| | - Chenyang Shen
- Department of Radiation Oncology, UT Southwestern Medical Center, Dallas, Texas, UNITED STATES
| | - Xun Jia
- Department of Radiation Oncology, UT Southwestern Medical Center, 6363 Forest Park Rd. BL10.202G, MC9315, Dallas, Texas, 75390-9315, UNITED STATES
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18
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Korman DB, Ostrovskaya LA, Bluhterova NV, Rykova VA, Fomina MM. Gold Nanoparticles as Potential Radiosensitizing and Cytotoxic Agents. Biophysics (Nagoya-shi) 2021. [DOI: 10.1134/s0006350921060063] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
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19
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Li WB, Stangl S, Klapproth A, Shevtsov M, Hernandez A, Kimm MA, Schuemann J, Qiu R, Michalke B, Bernal MA, Li J, Hürkamp K, Zhang Y, Multhoff G. Application of High-Z Gold Nanoparticles in Targeted Cancer Radiotherapy-Pharmacokinetic Modeling, Monte Carlo Simulation and Radiobiological Effect Modeling. Cancers (Basel) 2021; 13:5370. [PMID: 34771534 PMCID: PMC8582555 DOI: 10.3390/cancers13215370] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2021] [Revised: 10/20/2021] [Accepted: 10/22/2021] [Indexed: 02/05/2023] Open
Abstract
High-Z gold nanoparticles (AuNPs) conjugated to a targeting antibody can help to improve tumor control in radiotherapy while simultaneously minimizing radiotoxicity to adjacent healthy tissue. This paper summarizes the main findings of a joint research program which applied AuNP-conjugates in preclinical modeling of radiotherapy at the Klinikum rechts der Isar, Technical University of Munich and Helmholtz Zentrum München. A pharmacokinetic model of superparamagnetic iron oxide nanoparticles was developed in preparation for a model simulating the uptake and distribution of AuNPs in mice. Multi-scale Monte Carlo simulations were performed on a single AuNP and multiple AuNPs in tumor cells at cellular and molecular levels to determine enhancements in the radiation dose and generation of chemical radicals in close proximity to AuNPs. A biologically based mathematical model was developed to predict the biological response of AuNPs in radiation enhancement. Although simulations of a single AuNP demonstrated a clear dose enhancement, simulations relating to the generation of chemical radicals and the induction of DNA strand breaks induced by multiple AuNPs showed only a minor dose enhancement. The differences in the simulated enhancements at molecular and cellular levels indicate that further investigations are necessary to better understand the impact of the physical, chemical, and biological parameters in preclinical experimental settings prior to a translation of these AuNPs models into targeted cancer radiotherapy.
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Affiliation(s)
- Wei Bo Li
- Institute of Radiation Medicine, Helmholtz Zentrum München-German Research Center for Environmental Health (GmbH), 85764 Neuherberg, Germany; (A.K.); (K.H.)
| | - Stefan Stangl
- Center for Translational Cancer Research, Technische Universität München (TranslaTUM), Klinikum Rechts der Isar, Einsteinstr. 25, 81675 Munich, Germany; (S.S.); (M.S.); (A.H.)
- Department of Radiation Oncology, Technishe Universität München (TUM), Klinikum Rechts der Isar, Ismaningerstr. 22, 81675 Munich, Germany
| | - Alexander Klapproth
- Institute of Radiation Medicine, Helmholtz Zentrum München-German Research Center for Environmental Health (GmbH), 85764 Neuherberg, Germany; (A.K.); (K.H.)
- Center for Translational Cancer Research, Technische Universität München (TranslaTUM), Klinikum Rechts der Isar, Einsteinstr. 25, 81675 Munich, Germany; (S.S.); (M.S.); (A.H.)
- Department of Radiation Oncology, Technishe Universität München (TUM), Klinikum Rechts der Isar, Ismaningerstr. 22, 81675 Munich, Germany
| | - Maxim Shevtsov
- Center for Translational Cancer Research, Technische Universität München (TranslaTUM), Klinikum Rechts der Isar, Einsteinstr. 25, 81675 Munich, Germany; (S.S.); (M.S.); (A.H.)
- Department of Radiation Oncology, Technishe Universität München (TUM), Klinikum Rechts der Isar, Ismaningerstr. 22, 81675 Munich, Germany
- Personalized Medicine Centre, Almazov National Medical Research Centre, 2 Akkuratova Str., 197341 Saint Petersburg, Russia
- Laboratory of Biomedical Nanotechnologies, Institute of Cytology of the Russian Academy of Sciences (RAS), Tikhoretsky Ave., 4, 194064 Saint Petersburg, Russia
| | - Alicia Hernandez
- Center for Translational Cancer Research, Technische Universität München (TranslaTUM), Klinikum Rechts der Isar, Einsteinstr. 25, 81675 Munich, Germany; (S.S.); (M.S.); (A.H.)
- Department of Radiation Oncology, Technishe Universität München (TUM), Klinikum Rechts der Isar, Ismaningerstr. 22, 81675 Munich, Germany
| | - Melanie A. Kimm
- Department of Diagnostic and Interventional Radiology, Technische Universität München (TUM), Klinikum Rechts der Isar, 81675 Munich, Germany;
- Department of Radiology, University Hospital, Ludwig-Maximilians-Universität München, 81337 Munich, Germany;
| | - Jan Schuemann
- Physics Division, Department of Radiation Oncology, Massachusetts General Hospital (MGH) & Harvard Medical School, Boston, MA 02114, USA;
| | - Rui Qiu
- Department of Engineering Physics, Tsinghua University, Beijing 100084, China;
| | - Bernhard Michalke
- Research Unit Analytical BioGeoChemistry, Helmholz Zentrum München-German Research Center for Environmental Health (GmbH), 85764 Neuherberg, Germany;
| | - Mario A. Bernal
- Gleb Wataghin Institute of Physics, State University of Campinas, Campinas 13083-859, SP, Brazil;
| | - Junli Li
- Department of Radiology, University Hospital, Ludwig-Maximilians-Universität München, 81337 Munich, Germany;
| | - Kerstin Hürkamp
- Institute of Radiation Medicine, Helmholtz Zentrum München-German Research Center for Environmental Health (GmbH), 85764 Neuherberg, Germany; (A.K.); (K.H.)
| | - Yibao Zhang
- Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education), Department of Radiation Oncology, Peking University Cancer Hospital & Institute, Beijing 100142, China;
| | - Gabriele Multhoff
- Center for Translational Cancer Research, Technische Universität München (TranslaTUM), Klinikum Rechts der Isar, Einsteinstr. 25, 81675 Munich, Germany; (S.S.); (M.S.); (A.H.)
- Department of Radiation Oncology, Technishe Universität München (TUM), Klinikum Rechts der Isar, Ismaningerstr. 22, 81675 Munich, Germany
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20
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Saimuang K, Suttisintong K, Kaewchangwat N, Thanayupong E, Wongngam Y, Charoenphun P, Wanotayan R, Elaissari A, Hongeng S, Polpanich D, Jangpatarapongsa K. A model of modified meta-iodobenzylguanidine conjugated gold nanoparticles for neuroblastoma treatment. RSC Adv 2021; 11:25199-25206. [PMID: 35478920 PMCID: PMC9037022 DOI: 10.1039/d1ra04054e] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2021] [Accepted: 07/14/2021] [Indexed: 12/17/2022] Open
Abstract
Iodine-131 meta-iodobenzylguanidine (131I-mIBG) has been utilized as a standard treatment to minimize adverse side effects by targeting therapies to bind to the norepinephrine transporter (NET) expressed on 90% of neuroblastoma cells. However, only a minority of patients who receive 131I-mIBG radiotherapy have clinical responses, and these are usually not curative. In this study, novel ligand-conjugated gold nanoparticles (GNPs) based on mIBG were synthesized and evaluated biologically with neuroblastoma cells in vitro. To induce specific internalization to the tumor cells and utilize it as a model for radioenhancement, 127I-modified mIBG was successfully synthesized and grafted covalently to the surface of carboxylated PEG-GNPs. 49.28% of the novel mIBG derivative was grafted on carboxylated PEG-GNPs. The particles were stable and not toxic to the normal fibroblast cell line, L929, even at the highest concentration tested (1013 NPs per mL) at 24, 48, and 72 h. Moreover, the cellular uptake of the model was decreased significantly in the presence of a NET inhibitor, suggesting that there was specific internalization into neuroblastoma cells line (SH-SY5Y) via the NET. Therefore, this model provides useful guidance toward the design of gold nanomaterials to enhance the efficiency of 131I-mIBG treatment in neuroblastoma patients. However, the investigation of radio-therapeutic efficiency after radioisotope 131I substitution will be further conducted in a radiation safety laboratory using an animal model.
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Affiliation(s)
- Kween Saimuang
- Center for Research and Innovation, Faculty of Medical Technology, Mahidol University Bangkok 10700 Thailand
| | - Khomson Suttisintong
- National Nanotechnology Center (NANOTEC), National Science and Technology Development Agency (NSTDA) Pathum Thani 12120 Thailand
| | - Narongpol Kaewchangwat
- National Nanotechnology Center (NANOTEC), National Science and Technology Development Agency (NSTDA) Pathum Thani 12120 Thailand
| | - Eknarin Thanayupong
- National Nanotechnology Center (NANOTEC), National Science and Technology Development Agency (NSTDA) Pathum Thani 12120 Thailand
| | - Yodsathorn Wongngam
- National Nanotechnology Center (NANOTEC), National Science and Technology Development Agency (NSTDA) Pathum Thani 12120 Thailand
| | - Putthiporn Charoenphun
- Department of Diagnostic and Therapeutic Radiology, Faculty of Medicine, Ramathibodi Hospital, Mahidol University Bangkok 10400 Thailand
| | - Rujira Wanotayan
- Department of Radiological Technology, Faculty of Medical Technology, Mahidol University Bangkok 10700 Thailand
| | - Abdelhamid Elaissari
- Univ. Lyon, University Claude Bernard Lyon-1, CNRS, ISA-UMR 5280 69622 Villeurbanne France
| | - Suradej Hongeng
- Department of Pediatrics, Faculty of Medicine, Ramathibodi Hospital, Mahidol University Bangkok 10400 Thailand
| | - Duangporn Polpanich
- National Nanotechnology Center (NANOTEC), National Science and Technology Development Agency (NSTDA) Pathum Thani 12120 Thailand
| | - Kulachart Jangpatarapongsa
- Center for Research and Innovation, Faculty of Medical Technology, Mahidol University Bangkok 10700 Thailand
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21
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Santibáñez M, Fuentealba M. Experimental determination of Gd dose enhancement and Gd dose sparing by 192Ir brachytherapy source with Gafchromic EBT3 dosimeter. Appl Radiat Isot 2021; 175:109787. [PMID: 34102413 DOI: 10.1016/j.apradiso.2021.109787] [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: 03/26/2021] [Revised: 05/13/2021] [Accepted: 05/18/2021] [Indexed: 10/21/2022]
Abstract
This work evaluates experimentally the dose enhancement factor (DEF) and dose sparing factor (DSF) due to radiation self-shielding, produced by Gd infused in tumor phantom irradiated with brachytherapy HDR 192Ir source by Gafchromic EBT3 dosimeter. The phantom was made of a set of solid water slabs (30 × 30 × 1.0) cm3 and three acrylic slabs of (30 × 30 × 0.5) cm3 machined to contain in the central axis acrylics vials of (1 × 1 × 5) cm3. The first and second acrylic vials were filled with an identical Gd solution of 0, 10 and 20 mg/ml, simulating Gd-doped and undoped tumor, and the third vial was filled in all the measurement only with water, representing an organ at risk. Additional solid water slabs were used to complete a phantom of (30 × 30 × 16) cm3. In the phantom center an acrylic slab was machined to introduce the 2.5 mm flexible guide tube of GammaMed plus iX equipment and positioning the 192Ir source in the phantom central part. EBT3 fragments of (0.9 × 4) cm2 were placed on the inner edge of the second and third vials to measure dose enhancement and dose sparing simultaneously. Phantom CT images were acquired for planning and to prescribe a dose of 6.0 Gy at 2.0 cm of the source, achieving an isodose curve of 44.5% at 3.0 cm (positions of the EBT3 films). Additionally, Monte Carlo simulation of the identical experimental setup was implemented to compare measurement values. The results showed the feasibility of measuring a DEF of 1.15 ± 0.05 in 20 mg/ml of Gd concentration consistent with the Monte Carlo DEF of 1.112 ± 0.005 for the same concentration. DEF value for concentration of 10 mg/ml would not be detected (1.00 ± 0.04) by an expected under measurement of the EBT3 films associated with the non-detection of photoelectrons and Auger electrons of very low energy that cannot reach the radiosensitive substrate.
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Affiliation(s)
- M Santibáñez
- Departamento de Cs. Físicas, Universidad de La Frontera, Temuco, Chile.
| | - M Fuentealba
- Hospital Regional Dr. Guillermo Grant Benavente, Concepción, Chile
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22
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Harrison RM, Ainsbury E, Alves J, Bottollier-Depois JF, Breustedt B, Caresana M, Clairand I, Fantuzzi E, Fattibene P, Gilvin P, Hupe O, Knežević Ž, Lopez MA, Olko P, Olšovcová V, Rabus H, Rühm W, Silari M, Stolarczyk L, Tanner R, Vanhavere F, Vargas A, Woda C. EURADOS STRATEGIC RESEARCH AGENDA 2020: VISION FOR THE DOSIMETRY OF IONISING RADIATION. RADIATION PROTECTION DOSIMETRY 2021; 194:42-56. [PMID: 33989429 PMCID: PMC8165425 DOI: 10.1093/rpd/ncab063] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/07/2021] [Revised: 02/28/2021] [Accepted: 04/06/2021] [Indexed: 05/02/2023]
Abstract
Since 2012, the European Radiation Dosimetry Group (EURADOS) has developed its Strategic Research Agenda (SRA), which contributes to the identification of future research needs in radiation dosimetry in Europe. Continued scientific developments in this field necessitate regular updates and, consequently, this paper summarises the latest revision of the SRA, with input regarding the state of the art and vision for the future contributed by EURADOS Working Groups and through a stakeholder workshop. Five visions define key issues in dosimetry research that are considered important over at least the next decade. They include scientific objectives and developments in (i) updated fundamental dose concepts and quantities, (ii) improved radiation risk estimates deduced from epidemiological cohorts, (iii) efficient dose assessment for radiological emergencies, (iv) integrated personalised dosimetry in medical applications and (v) improved radiation protection of workers and the public. This SRA will be used as a guideline for future activities of EURADOS Working Groups but can also be used as guidance for research in radiation dosimetry by the wider community. It will also be used as input for a general European research roadmap for radiation protection, following similar previous contributions to the European Joint Programme for the Integration of Radiation Protection Research, under the Horizon 2020 programme (CONCERT). The full version of the SRA is available as a EURADOS report (www.eurados.org).
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Affiliation(s)
| | - E Ainsbury
- Public Health England, Chilton, Didcot, UK
| | - J Alves
- Instituto Superior Técnico (IST), CTN, Lisboa, Portugal
| | - J-F Bottollier-Depois
- Institut de Radioprotection et de Sûreté Nucléaire (IRSN), Fontenay-aux-Roses Cedex, France
| | - B Breustedt
- Karlsruhe Institute of Technology (KIT), Karlsruhe, Germany
| | | | - I Clairand
- Institut de Radioprotection et de Sûreté Nucléaire (IRSN), Fontenay-aux-Roses Cedex, France
| | - E Fantuzzi
- ENEA - Radiation Protection Institute, Bologna, Italy
| | - P Fattibene
- Istituto Superiore di Sanità (ISS), Rome, Italy
| | - P Gilvin
- Public Health England, Chilton, Didcot, UK
| | - O Hupe
- Physikalisch Technische Bundesanstalt (PTB), Braunschweig and Berlin, Germany
| | - Ž Knežević
- Ruđer Bošković Institute (RBI), Zagreb, Croatia
| | - M A Lopez
- Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas (CIEMAT), Madrid, Spain
| | - P Olko
- Instytut Fizyki Jądrowej Polskiej Akademii Nauk (IFJ PAN), Kraków, Poland
| | - V Olšovcová
- ELI Beamlines, Institute of Physics, Czech Academy of Sciences, Dolní Břežany, Czech Republic
| | - H Rabus
- Physikalisch Technische Bundesanstalt (PTB), Braunschweig and Berlin, Germany
| | - W Rühm
- Helmholtz Zentrum München, Institute of Radiation Medicine, Neuherberg, Germany
| | - M Silari
- CERN, 1211 Geneva 23, Switzerland
| | - L Stolarczyk
- Danish Centre for Particle Therapy, Aarhus, Denmark
- Instytut Fizyki Jądrowej Polskiej Akademii Nauk (IFJ PAN), Kraków, Poland
| | - R Tanner
- Public Health England, Chilton, Didcot, UK
| | - F Vanhavere
- Belgian Nuclear Research Centre (SCK-CEN), Mol, Belgium
| | - A Vargas
- Institute of Energy Technologies, Universitat Politecnica de Catalunya, Barcelona, Spain
| | - C Woda
- Helmholtz Zentrum München, Institute of Radiation Medicine, Neuherberg, Germany
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23
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Klein S, Distel LVR, Neuhuber W, Kryschi C. Caffeic Acid, Quercetin and 5-Fluorocytidine-Functionalized Au-Fe 3O 4 Nanoheterodimers for X-ray-Triggered Drug Delivery in Breast Tumor Spheroids. NANOMATERIALS (BASEL, SWITZERLAND) 2021; 11:1167. [PMID: 33947086 PMCID: PMC8146450 DOI: 10.3390/nano11051167] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/10/2021] [Revised: 04/25/2021] [Accepted: 04/26/2021] [Indexed: 01/11/2023]
Abstract
Au-Fe3O4 nanoheterodimers (NHD) were functionalized with the natural and synthetic anticancer drugs caffeic acid (CA), quercetin (Q) and 5-fluorocytidine (5FC). Their X-radiation dose-enhancing potential and chemotherapeutic efficacy for bimodal cancer therapy were investigated by designing multicellular tumor spheroids (MCTS) to in vitro avascular tumor models. MCTS were grown from the breast cancer cell lines MCF-7, MDA-MB-231, and MCF-10A. The MCF-7, MDA-MB-231 and MCF-10A MCTS were incubated with NHD-CA, NHD-Q, or NHD-5FC and then exposed to fractionated X-radiation comprising either a single 10 Gy dose, 2 daily single 5 Gy doses or 5 daily single 2 Gy doses. The NHD-CA, NHD-Q, and NHD-5FC affected the growth of X-ray irradiated and non-irradiated MCTS in a different manner. The impact of the NHDs on the glycolytic metabolism due to oxygen deprivation inside MCTS was assessed by measuring lactate secretion and glucose uptake by the MCTS. The NHD-CA and NHD-Q were found to act as X-radiation dose agents in MCF-7 MCTS and MDA-MB-231 MCTS and served as radioprotector in MCF-10A MCTS. X-ray triggered release of CA and Q inhibited lactate secretion and thereupon disturbed glycolytic reprogramming, whereas 5FC exerted their cytotoxic effects on both, healthy and tumor cells, after their release into the cytosol.
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Affiliation(s)
- Stefanie Klein
- Department of Chemistry and Pharmacy, Physical Chemistry I and ICMM, Friedrich-Alexander University of Erlangen-Nuremberg, Egerlandstr. 3, D-91058 Erlangen, Germany;
| | - Luitpold V. R. Distel
- Department of Radiation Oncology, Friedrich-Alexander University of Erlangen-Nuremberg, Universitätsstr. 27, D-91054 Erlangen, Germany;
| | - Winfried Neuhuber
- Institute of Anatomy, Chair of Anatomy and Cell Biology, Friedrich Alexander University Erlangen-Nuremberg, Krankenhausstr. 9, D-91054 Erlangen, Germany;
| | - Carola Kryschi
- Department of Chemistry and Pharmacy, Physical Chemistry I and ICMM, Friedrich-Alexander University of Erlangen-Nuremberg, Egerlandstr. 3, D-91058 Erlangen, Germany;
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Carrasco-Esteban E, Domínguez-Rullán JA, Barrionuevo-Castillo P, Pelari-Mici L, Leaman O, Sastre-Gallego S, López-Campos F. Current role of nanoparticles in the treatment of lung cancer. J Clin Transl Res 2021; 7:140-155. [PMID: 34104817 PMCID: PMC8177846] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2020] [Revised: 11/20/2020] [Accepted: 01/27/2021] [Indexed: 11/23/2022] Open
Abstract
BACKGROUND Worldwide, lung cancer is one of the leading causes of cancer death. Nevertheless, new therapeutic agents have been developed to treat lung cancer that could change this mortality-rate. Interestingly, incredible advances have occurred in recent years in the development and application of nanotechnology in the detection, diagnosis, and treatment of lung cancer. AIM Nanoparticles (NPs) have the ability to incorporate multiple drugs and targeting agents and therefore lead to an improved bioavailability, sustained delivery, solubility, and intestinal absorption. RELEVANCE FOR PATIENTS This review briefly summarizes the latest innovations in therapeutic nanomedicine in lung cancer with examples on magnetic, lipid, and polymer NP. Emphasis will be placed on future studies and ongoing clinical trials in this field.
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Affiliation(s)
| | | | | | - Lira Pelari-Mici
- Department of Radiation Oncology, Hospital Universitario Ramón y Cajal, Madrid, Spain
| | - Olwen Leaman
- Department of Radiation Oncology, Hospital Universitario Gregorio Marañon, Madrid, Spain
| | - Sara Sastre-Gallego
- Department of Radiation Oncology, Hospital Universitario Rey Juan Carlos, Madrid, Spain
| | - Fernando López-Campos
- Department of Radiation Oncology, Hospital Universitario Ramón y Cajal, Madrid, Spain
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25
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Neha Desai, Momin M, Khan T, Gharat S, Ningthoujam RS, Omri A. Metallic nanoparticles as drug delivery system for the treatment of cancer. Expert Opin Drug Deliv 2021; 18:1261-1290. [PMID: 33793359 DOI: 10.1080/17425247.2021.1912008] [Citation(s) in RCA: 37] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
INTRODUCTION The targeted delivery of anticancer agents to tumor is a major challenge because most of the drugs show off-target effect resulting in nonspecific cell death. Multifunctionalized metallic nanoparticles (NPs) are explored as new carrier system in the era of cancer therapeutics. Researchers investigated the potential of metallic NPs to target tumor cells by active and passive mechanisms, thereby reducing off-target effects of anticancer agents. Moreover, photocatalytic activity of upconversion nanoparticles (UCNPs) and the enhanced permeation and retention (EPR) effect have also gained wide potential in cancer treatment. Recent advancement in the field of nanotechnology highlights their potency for cancer therapy. AREAS COVERED This review summarizes the types of gold and silver metallic NPs with targeting mechanisms and their potentiality in cancer therapy. EXPERT OPINION Recent advances in the field of nanotechnology for cancer therapy offer high specificity and targeting efficiency. Targeting tumor cells through mechanistic pathways using metallic NPs for the disruption/alteration of molecular profile and survival rate of the tumor cells has led to an effective approach for cancer therapeutics. This alteration in the survival rate of the tumor cells might decrease the proliferation thereby resulting in more efficient management in the treatment of cancer.
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Affiliation(s)
- Neha Desai
- Department of Pharmaceutics, SVKM's Dr. Bhanuben Nanavati College of Pharmacy, University of Mumbai, Mumbai, India
| | - Munira Momin
- Department of Pharmaceutics, SVKM's Dr. Bhanuben Nanavati College of Pharmacy, University of Mumbai, Mumbai, India
| | - Tabassum Khan
- Department of Pharmaceutical Chemistry & Quality Assurance, SVKM's Dr. Bhanuben Nanavati College of Pharmacy, University of Mumbai, Mumbai, India
| | - Sankalp Gharat
- Department of Pharmaceutics, SVKM's Dr. Bhanuben Nanavati College of Pharmacy, University of Mumbai, Mumbai, India
| | | | - Abdelwahab Omri
- The Novel Drug and Vaccine Delivery Systems Facility, Department of Chemistry and Biochemistry, Laurentian University, Sudbury, Canada
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26
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Bromma K, Alhussan A, Perez MM, Howard P, Beckham W, Chithrani DB. Three-Dimensional Tumor Spheroids as a Tool for Reliable Investigation of Combined Gold Nanoparticle and Docetaxel Treatment. Cancers (Basel) 2021; 13:cancers13061465. [PMID: 33806801 PMCID: PMC8004664 DOI: 10.3390/cancers13061465] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2021] [Revised: 03/12/2021] [Accepted: 03/19/2021] [Indexed: 12/12/2022] Open
Abstract
Simple Summary Due to the normal tissue toxicity induced by standard therapeutic options such as radiotherapy and chemotherapy, alternative solutions are being explored. Nanomaterials, such as gold nanoparticles, can help reduce side effects by increasing targeted dose to the tumor as well as act as a drug delivery system. Many nano-based systems are tested in a two-dimensional monolayer in the lab, which is not representative of the complex tumor microenvironment. Towards an accelerated translation to the clinic, use of nanomaterials, like the radio-sensitizing gold nanoparticles, were tested in three-dimensional spheroids, which exhibit many properties present in a real tumor such as the extracellular matrix, necrotic cores, and nutrient gradients. This work paves the way for more accurate experimentation in the lab that is more indicative of a real tumor response, leading to a higher chance of success in future clinical studies and clinical treatment. Abstract Radiotherapy and chemotherapy are the gold standard for treating patients with cancer in the clinic but, despite modern advances, are limited by normal tissue toxicity. The use of nanomaterials, such as gold nanoparticles (GNPs), to improve radiosensitivity and act as drug delivery systems can mitigate toxicity while increasing deposited tumor dose. To expedite a quicker clinical translation, three-dimensional (3D) tumor spheroid models that can better approximate the tumor environment compared to a two-dimensional (2D) monolayer model have been used. We tested the uptake of 15 nm GNPs and 50 nm GNPs on a monolayer and on spheroids of two cancer cell lines, CAL-27 and HeLa, to evaluate the differences between a 2D and 3D model in similar conditions. The anticancer drug docetaxel (DTX) which can act as a radiosensitizer, was also utilized, informing future potential of GNP-mediated combined therapeutics. In the 2D monolayer model, the addition of DTX induced a small, non-significant increase of uptake of GNPs of between 13% and 24%, while in the 3D spheroid model, DTX increased uptake by between 47% and 186%, with CAL-27 having a much larger increase relative to HeLa. Further, the depth of penetration of 15 nm GNPs over 50 nm GNPs increased by 33% for CAL-27 spheroids and 17% for HeLa spheroids. These results highlight the necessity to optimize GNP treatment conditions in a more realistic tumor-life environment. A 3D spheroid model can capture important details, such as different packing densities from different cancer cell lines, which are absent from a simple 2D monolayer model.
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Affiliation(s)
- Kyle Bromma
- Department of Physics and Astronomy, University of Victoria, Victoria, BC V8P 5C2, Canada; (K.B.); (A.A.); (W.B.)
| | - Abdulaziz Alhussan
- Department of Physics and Astronomy, University of Victoria, Victoria, BC V8P 5C2, Canada; (K.B.); (A.A.); (W.B.)
| | - Monica Mesa Perez
- Department of Biochemistry and Microbiology, University of Victoria, Victoria, BC V8P 5C2, Canada; (M.M.P.); (P.H.)
| | - Perry Howard
- Department of Biochemistry and Microbiology, University of Victoria, Victoria, BC V8P 5C2, Canada; (M.M.P.); (P.H.)
| | - Wayne Beckham
- Department of Physics and Astronomy, University of Victoria, Victoria, BC V8P 5C2, Canada; (K.B.); (A.A.); (W.B.)
- British Columbia Cancer-Victoria, Victoria, BC V8R 6V5, Canada
| | - Devika B. Chithrani
- Department of Physics and Astronomy, University of Victoria, Victoria, BC V8P 5C2, Canada; (K.B.); (A.A.); (W.B.)
- British Columbia Cancer-Victoria, Victoria, BC V8R 6V5, Canada
- Centre for Advanced Materials and Related Technologies, Department of Chemistry, University of Victoria, Victoria, BC V8P 5C2, Canada
- Centre for Biomedical Research, Department of Biology, University of Victoria, Victoria, BC V8P 5C2, Canada
- Department of Medical Sciences, University of Victoria, Victoria, BC V8P 5C2, Canada
- Department of Computer Science, Mathematics, Physics and Statistics, Okanagan Campus, University of British Columbia, Kelowna, BC V1V 1V7, Canada
- Correspondence:
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27
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Brivio D, Sajo E, Zygmanski P. Gold nanoparticle detection and quantification in therapeutic MV beams via pair production. Phys Med Biol 2021; 66:064004. [PMID: 33412535 DOI: 10.1088/1361-6560/abd954] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
PURPOSE We propose a new detection method of gold nanoparticles (AuNP) in therapeutic megavoltage (MV) x-ray beams by means of coincidence counting of annihilation photons following pair production in gold. METHODS The proposed MV x-ray induced positron emission (MVIPE) imaging technique is studied by radiation transport computations using MCNP6 (3D) and CEPXS/ONEDANT (1D) codes for two water phantoms: a 35 cm slab and a similarly sized cylinder, both having a 5 cm AuNP filled region in the center. MVIPE is compared to the standard x-ray fluorescence computed tomography (XFCT). MVIPE adopts MV x-ray sources (Co-60, 2 MV, 6 MV, 6 MV with closed MLC and 15 MV) and relies on the detection of 511 keV photon-pairs. XFCT uses kilovoltage sources (100 kVp, 120 kVp and 150 kVp) and imaging is characterized by analysis of k α1,2 Au characteristic lines. Three levels of AuNP concentration were studied: 0.1%, 1% and 10% by weight. RESULTS Annihilation photons in the MVIPE technique originate both in the AuNP and in water along the x-ray beam path with significantly larger production in the AuNP-loaded region. MVIPE signal from AuNP is linearly increasing with AuNP concentration up to 10%wt, while XFCT signal reaches saturation due to self-absorption within AuNP. The production of annihilation photons is proportional to the MV source energy. MVIPE technique using a 15 MV pencil beam and 10 wt% AuNP detects about 4.5 × 103 511 keV-photons cm-2 at 90° w/r to the incident beam per 109 source photons cm-2; 500 of these come from AuNP. In contrast, the XFCT technique using 150 kVp detects only about 100 k α1-photons cm-2 per 109 source photons cm-2. CONCLUSIONS In MVIPE, the number of annihilation photons produced for different MV-beam energies and AuNP concentrations is significantly greater than the k α1 photons generated in XFCT. Coincidence counting in MVIPE allows to avoid collimation, which is a major limiting factor in XFCT. MVIPE challenges include the filtering of Compton scatter and annihilation photons originating in water.
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Affiliation(s)
- D Brivio
- Brigham & Woman's Hospital, Boston, MA, Dana Farber Cancer Institute, Boston, MA, Harvard Medical School, United States of America
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28
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Baino F, Fiume E, Ciavattini S, Kargozar S, Borges R, Genova LA, Marchi J, Verné E. Biomedical Radioactive Glasses for Brachytherapy. MATERIALS 2021; 14:ma14051131. [PMID: 33673726 PMCID: PMC7957637 DOI: 10.3390/ma14051131] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/08/2021] [Revised: 02/19/2021] [Accepted: 02/22/2021] [Indexed: 12/15/2022]
Abstract
The fight against cancer is an old challenge for mankind. Apart from surgery and chemotherapy, which are the most common treatments, use of radiation represents a promising, less invasive strategy that can be performed both from the outside or inside the body. The latter approach, also known as brachytherapy, relies on the use of implantable beta-emitting seeds or microspheres for killing cancer cells. A set of radioactive glasses have been developed for this purpose but their clinical use is still mainly limited to liver cancer. This review paper provides a picture of the biomedical glasses developed and experimented for brachytherapy so far, focusing the discussion on the production methods and current limitations of the available options to their diffusion in clinical practice. Highly-durable neutron-activatable glasses in the yttria-alumina-silica oxide system are typically preferred in order to avoid the potentially-dangerous release of radioisotopes, while the compositional design of degradable glass systems suitable for use in radiotherapy still remains a challenge and would deserve further investigation in the near future.
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Affiliation(s)
- Francesco Baino
- Institute of Materials Physics and Engineering, Department of Applied Science and Technology (DISAT), Politecnico di Torino, 10129 Torino, Italy; (E.F.); (S.C.); (E.V.)
- Interdepartmental Center PoliTO BIOMedLab, Politecnico di Torino, 10129 Turin, Italy
- Interdepartmental Center J Tech@PoliTO, Politecnico di Torino, 10129 Turin, Italy
- Correspondence: ; Tel.: +39-011-090-4668
| | - Elisa Fiume
- Institute of Materials Physics and Engineering, Department of Applied Science and Technology (DISAT), Politecnico di Torino, 10129 Torino, Italy; (E.F.); (S.C.); (E.V.)
- Interdepartmental Center PoliTO BIOMedLab, Politecnico di Torino, 10129 Turin, Italy
- Interdepartmental Center J Tech@PoliTO, Politecnico di Torino, 10129 Turin, Italy
- Department of Mechanical and Aerospace Engineering (DIMEAS), Politecnico di Torino, 10129 Torino, Italy
| | - Sara Ciavattini
- Institute of Materials Physics and Engineering, Department of Applied Science and Technology (DISAT), Politecnico di Torino, 10129 Torino, Italy; (E.F.); (S.C.); (E.V.)
| | - Saeid Kargozar
- Tissue Engineering Research Group (TERG), Department of Anatomy and Cell Biology, School of Medicine, Mashhad University of Medical Sciences, Mashhad 917794-8564, Iran;
| | - Roger Borges
- Centro de Ciências Naturais e Humanas, Universidade Federal do ABC, 09210-580 Santo André, SP, Brazil; (R.B.); (J.M.)
| | - Luis A. Genova
- Centro de Ciência e Tecnologia dos Materiais, Instituto de Pesquisas Energéticas e Nucleares, 05508-000 Sao Paulo, SP, Brazil;
| | - Juliana Marchi
- Centro de Ciências Naturais e Humanas, Universidade Federal do ABC, 09210-580 Santo André, SP, Brazil; (R.B.); (J.M.)
| | - Enrica Verné
- Institute of Materials Physics and Engineering, Department of Applied Science and Technology (DISAT), Politecnico di Torino, 10129 Torino, Italy; (E.F.); (S.C.); (E.V.)
- Interdepartmental Center PoliTO BIOMedLab, Politecnico di Torino, 10129 Turin, Italy
- Interdepartmental Center J Tech@PoliTO, Politecnico di Torino, 10129 Turin, Italy
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29
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Damasco JA, Ohulchanskyy TY, Mahajan S, Chen G, Singh A, Kutscher HL, Huang H, Turowski SG, Spernyak JA, Singh AK, Lovell JF, Seshadri M, Prasad PN. Excretable, ultrasmall hexagonal NaGdF 4:Yb50% nanoparticles for bimodal imaging and radiosensitization. Cancer Nanotechnol 2021; 12:4. [PMID: 33603920 PMCID: PMC7864820 DOI: 10.1186/s12645-021-00075-x] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2020] [Accepted: 01/10/2021] [Indexed: 01/21/2023] Open
Abstract
Background In this study, we report on the synthesis, imaging, and radiosensitizing properties of ultrasmall β-NaGdF4:Yb50% nanoparticles as a multifunctional theranostic platform. The synthesized nanoparticles act as potent bimodal contrast agents with superior imaging properties compared to existing agents used for magnetic resonance imaging (MRI) and computed tomography (CT). Clonogenic assays demonstrated that these nanoparticles can act as effective radiosensitizers, provided that the nanoparticles are taken up intracellularly. Results Our ultrasmall β-NaGdF4:Yb50% nanoparticles demonstrate improvement in T1-weighted contrast over the standard clinical MR imaging agent Gd-DTPA and similar CT signal enhancement capabilities as commercial agent iohexol. A 2 Gy dose of X-ray induced ~ 20% decrease in colony survival when C6 rat glial cells were incubated with non-targeted nanoparticles (NaGdF4:Yb50%), whereas the same X-ray dose resulted in a ~ 60% decrease in colony survival with targeted nanoparticles conjugated to folic acid (NaGdF4:Yb50%-FA). Intravenous administration of nanoparticles resulted in clearance through urine and feces within a short duration, based on the ex vivo analysis of Gd3+ ions via ICP-MS. Conclusion These biocompatible and in vivo clearable ultrasmall NaGdF4:Yb50% are promising candidates for further evaluation in image-guided radiotherapy applications.
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Affiliation(s)
- Jossana A Damasco
- Department of Chemistry and Institute for Lasers, Photonics and Biophotonics, University At Buffalo, The State University of New York, Buffalo, NY 14260 USA.,Department of Interventional Radiology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030 USA
| | - Tymish Y Ohulchanskyy
- Department of Chemistry and Institute for Lasers, Photonics and Biophotonics, University At Buffalo, The State University of New York, Buffalo, NY 14260 USA.,College of Optoelectronic Engineering, College of Physics and Optoelectronic Engineering, Shenzhen University, 518060 Shenzhen, People's Republic of China
| | - Supriya Mahajan
- Department of Medicine, Division of Allergy, Immunology and Rheumatology, University At Buffalo, The State University of New York, Buffalo, NY 14203 USA
| | - Guanying Chen
- Department of Chemistry and Institute for Lasers, Photonics and Biophotonics, University At Buffalo, The State University of New York, Buffalo, NY 14260 USA.,School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin, Heilongjiang 15001 People's Republic of China
| | - Ajay Singh
- Department of Chemistry and Institute for Lasers, Photonics and Biophotonics, University At Buffalo, The State University of New York, Buffalo, NY 14260 USA
| | - Hilliard L Kutscher
- Department of Chemistry and Institute for Lasers, Photonics and Biophotonics, University At Buffalo, The State University of New York, Buffalo, NY 14260 USA.,Department of Anesthesiology, University At Buffalo, The State University of New York, Buffalo, NY 14214 USA
| | - Haoyuan Huang
- Department of Biomedical Engineering, University At Buffalo, The State University of New York, Buffalo, NY 14260 USA
| | - Steven G Turowski
- Translational Imaging Shared Resource, Roswell Park Comprehensive Cancer Center, Buffalo, NY 14263 USA
| | - Joseph A Spernyak
- Translational Imaging Shared Resource, Roswell Park Comprehensive Cancer Center, Buffalo, NY 14263 USA
| | - Anurag K Singh
- Department of Radiation Medicine, Roswell Park Comprehensive Cancer Center, Buffalo, NY 14263 USA
| | - Jonathan F Lovell
- Department of Biomedical Engineering, University At Buffalo, The State University of New York, Buffalo, NY 14260 USA
| | - Mukund Seshadri
- Translational Imaging Shared Resource, Roswell Park Comprehensive Cancer Center, Buffalo, NY 14263 USA.,Department of Oral Oncology/Dentistry and Maxillofacial Prosthetics, Roswell Park Comprehensive Cancer Center, Buffalo, NY 14263 USA
| | - Paras N Prasad
- Department of Chemistry and Institute for Lasers, Photonics and Biophotonics, University At Buffalo, The State University of New York, Buffalo, NY 14260 USA
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30
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Chen Y, Yang J, Fu S, Wu J. Gold Nanoparticles as Radiosensitizers in Cancer Radiotherapy. Int J Nanomedicine 2020; 15:9407-9430. [PMID: 33262595 PMCID: PMC7699443 DOI: 10.2147/ijn.s272902] [Citation(s) in RCA: 103] [Impact Index Per Article: 25.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2020] [Accepted: 10/22/2020] [Indexed: 12/19/2022] Open
Abstract
The rapid development of nanotechnology offers a variety of potential therapeutic strategies for cancer treatment. High atomic element nanomaterials are often utilized as radiosensitizers due to their unique photoelectric decay characteristics. Among them, gold nanoparticles (GNPs) are one of the most widely investigated and are considered to be an ideal radiosensitizers for radiotherapy due to their high X-ray absorption and unique physicochemical properties. Over the last few decades, multi-disciplinary studies have focused on the design and optimization of GNPs to achieve greater dosing capability and higher therapeutic effects and highlight potential mechanisms for radiosensitization of GNPs. Although the radiosensitizing potential of GNPs has been widely recognized, its clinical translation still faces many challenges. This review analyses the different roles of GNPs as radiosensitizers in cancer radiotherapy and summarizes recent advances. In addition, the underlying mechanisms of GNP radiosensitization, including physical, chemical and biological mechanisms are discussed, which may provide new directions for the optimization and clinical transformation of next-generation GNPs.
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Affiliation(s)
- Yao Chen
- Department of Oncology, The Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan Province, People's Republic of China
| | - Juan Yang
- Department of Oncology, The Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan Province, People's Republic of China
| | - Shaozhi Fu
- Department of Oncology, The Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan Province, People's Republic of China
| | - Jingbo Wu
- Department of Oncology, The Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan Province, People's Republic of China.,Nuclear Medicine and Molecular Imaging Key Laboratory of Sichuan Province, Luzhou, Sichuan Province, People's Republic of China
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31
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Damasco JA, Ravi S, Perez JD, Hagaman DE, Melancon MP. Understanding Nanoparticle Toxicity to Direct a Safe-by-Design Approach in Cancer Nanomedicine. NANOMATERIALS (BASEL, SWITZERLAND) 2020; 10:E2186. [PMID: 33147800 PMCID: PMC7692849 DOI: 10.3390/nano10112186] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/08/2020] [Revised: 10/26/2020] [Accepted: 10/28/2020] [Indexed: 12/22/2022]
Abstract
Nanomedicine is a rapidly growing field that uses nanomaterials for the diagnosis, treatment and prevention of various diseases, including cancer. Various biocompatible nanoplatforms with diversified capabilities for tumor targeting, imaging, and therapy have materialized to yield individualized therapy. However, due to their unique properties brought about by their small size, safety concerns have emerged as their physicochemical properties can lead to altered pharmacokinetics, with the potential to cross biological barriers. In addition, the intrinsic toxicity of some of the inorganic materials (i.e., heavy metals) and their ability to accumulate and persist in the human body has been a challenge to their translation. Successful clinical translation of these nanoparticles is heavily dependent on their stability, circulation time, access and bioavailability to disease sites, and their safety profile. This review covers preclinical and clinical inorganic-nanoparticle based nanomaterial utilized for cancer imaging and therapeutics. A special emphasis is put on the rational design to develop non-toxic/safe inorganic nanoparticle constructs to increase their viability as translatable nanomedicine for cancer therapies.
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Affiliation(s)
- Jossana A. Damasco
- Department of Interventional Radiology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA; (J.A.D.); (J.D.P.); (D.E.H.)
| | - Saisree Ravi
- School of Medicine, University of Texas Rio Grande Valley, Edinburg, TX 78539, USA;
| | - Joy D. Perez
- Department of Interventional Radiology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA; (J.A.D.); (J.D.P.); (D.E.H.)
| | - Daniel E. Hagaman
- Department of Interventional Radiology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA; (J.A.D.); (J.D.P.); (D.E.H.)
| | - Marites P. Melancon
- Department of Interventional Radiology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA; (J.A.D.); (J.D.P.); (D.E.H.)
- UT Health Graduate School of Biomedical Sciences, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
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32
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Schuemann J, Bagley AF, Berbeco R, Bromma K, Butterworth KT, Byrne HL, Chithrani BD, Cho SH, Cook JR, Favaudon V, Gholami YH, Gargioni E, Hainfeld JF, Hespeels F, Heuskin AC, Ibeh UM, Kuncic Z, Kunjachan S, Lacombe S, Lucas S, Lux F, McMahon S, Nevozhay D, Ngwa W, Payne JD, Penninckx S, Porcel E, Prise KM, Rabus H, Ridwan SM, Rudek B, Sanche L, Singh B, Smilowitz HM, Sokolov KV, Sridhar S, Stanishevskiy Y, Sung W, Tillement O, Virani N, Yantasee W, Krishnan S. Roadmap for metal nanoparticles in radiation therapy: current status, translational challenges, and future directions. Phys Med Biol 2020; 65:21RM02. [PMID: 32380492 DOI: 10.1088/1361-6560/ab9159] [Citation(s) in RCA: 77] [Impact Index Per Article: 19.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
This roadmap outlines the potential roles of metallic nanoparticles (MNPs) in the field of radiation therapy. MNPs made up of a wide range of materials (from Titanium, Z = 22, to Bismuth, Z = 83) and a similarly wide spectrum of potential clinical applications, including diagnostic, therapeutic (radiation dose enhancers, hyperthermia inducers, drug delivery vehicles, vaccine adjuvants, photosensitizers, enhancers of immunotherapy) and theranostic (combining both diagnostic and therapeutic), are being fabricated and evaluated. This roadmap covers contributions from experts in these topics summarizing their view of the current status and challenges, as well as expected advancements in technology to address these challenges.
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Affiliation(s)
- Jan Schuemann
- Department of Radiation Oncology, Massachusetts General Hospital & Harvard Medical School, Boston, MA 02114, United States of America
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33
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Valente KP, Suleman A, Brolo AG. Exploring Diffusion and Cellular Uptake: Charged Gold Nanoparticles in an in Vitro Breast Cancer Model. ACS APPLIED BIO MATERIALS 2020; 3:6992-7002. [PMID: 35019358 DOI: 10.1021/acsabm.0c00872] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Gold nanoparticles have emerged as a prominent tool in nanomedicine, particularly for applications in cancer diagnostic and treatment. One of the challenges for the successful implementation of gold nanoparticles in cancer therapy is their delivery to the specific cancer area within the tumor microenvironment. The presence of cancer enables a poorly organized vascularization system, increasing the pressure with the microenvironment, limiting the uptake of particles. The physicochemical properties of the gold nanoparticles (size, shape, and surface charge) also have a significant effect on diffusion to the tumor site and cellular uptake. In this work, we analyzed the transport of 10 nm gold nanoparticles with different surface charges (neutral, negative, and positive) through a hydrogel composite. Three-dimensional in vitro models composed of breast cancer cells loaded in the hydrogel composite were used for the qualitative and quantitative evaluation of cellular uptake of the gold nanoparticles. Surprisingly, an inverse correlation between the diffusion coefficients of the nanoparticles and cellular uptake was demonstrated. Positively charged gold nanoparticles displayed high cellular uptake, although their diffusion coefficient indicated slow transport through the hydrogel matrix. Neutral particles, on the other hand, displayed fast diffusion but the lowest cellular uptake. The results obtained indicate that nanoparticle diffusion and cellular uptake should be studied together in realistic in vitro models for a true evaluation of transport in tumor microenvironments.
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Affiliation(s)
- Karolina P Valente
- Department of Mechanical Engineering, University of Victoria, 3800 Finnerty Road, Victoria, British Columbia V8P 5C2, Canada.,Centre for Advanced Materials and Related Technology, University of Victoria, 3800 Finnerty Road, Victoria, British Columbia V8P 5C2, Canada
| | - Afzal Suleman
- Department of Mechanical Engineering, University of Victoria, 3800 Finnerty Road, Victoria, British Columbia V8P 5C2, Canada
| | - Alexandre G Brolo
- Department of Chemistry, University of Victoria, 3800 Finnerty Road, Victoria, British Columbia V8P 5C2, Canada.,Centre for Advanced Materials and Related Technology, University of Victoria, 3800 Finnerty Road, Victoria, British Columbia V8P 5C2, Canada
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Dosimetry of tumor targeting imaging by convergent X-ray beam as compared with nuclear medicine. Appl Radiat Isot 2020; 167:109451. [PMID: 33059189 DOI: 10.1016/j.apradiso.2020.109451] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2020] [Revised: 07/13/2020] [Accepted: 09/24/2020] [Indexed: 11/22/2022]
Abstract
During decades nuclear medicine procedures, based on radiolabeled agents, have proved to be efficient for diseases diagnosis and treatment. Radiation emerging from patient is detected aimed at localizing radiotracer distribution that is further correlated with biochemical/metabolic physiological processes. However, a significant drawback associated with current nuclear medicine procedures implementing radionuclide infusion regards to the inherent absorbed dose as well as radiopharmaceuticals' production, storage and elimination from patient body, thus representing a risk at patient and public health level. In the recent years, alternative methods have been proposed to reduce/eliminate radionuclides in some nuclear medicine procedures. The combination of high atomic number nanoparticles infused within patient body with incident X-ray beam, like tumor targeting and treatment, appears as a potential alternative method capable of theranostics. The process is based on inducing X-ray fluorescence and secondary electrons emission in high atomic number nanoparticles by means of excitation with an external X-ray beam, avoiding employing radioactive substances. The present work reports on the dosimetry performance of both methods, comparing whenever the external convergent X-ray beam alternative may involve less or larger radiation dose levels, according to comparable signal/image quality during the procedure. To this aim, a simplified theoretical model is proposed and associated Monte Carlo simulations are performed in order to compare typical case of nuclear medicine imaging with potential performance of an innovative method, called OXIRIS (Orthovoltage X-ray Induced Radiation and Integrated System), based on convergent X-ray beam exciting high atomic number nanoparticles infused in patient. The obtained results support the proposed alternative method's feasibility, once demonstrated that patient absorbed dose levels are relative similar to those currently used by nuclear medicine procedures, whereas dose to targeted region (tumor) are significantly higher, which may be useful for treatment purposes.
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Kim AS, Melemenidis S, Gustavsson AK, Abid D, Wu Y, Liu F, Hristov D, Schüler E. Increased local tumor control through nanoparticle-mediated, radiation-triggered release of nitrite, an important precursor for reactive nitrogen species. Phys Med Biol 2020; 65:195003. [PMID: 32721936 DOI: 10.1088/1361-6560/abaa27] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
The efficacy of dose-enhancing gold nanoparticles (AuNPs) is negatively impacted by low tumor uptake, low cell membrane penetration, limited diffusion distance, and short lifetime of radiation-induced secondary particles. To overcome these limitations, we have developed a novel AuNP system capable of radiation-triggered release of nitrite, a precursor of reactive nitrogen species, and report here on the in vivo characterization of this system. AuNPs were functionalized through PEGylation, cell-penetrating peptides (CPP; AuNP@CPP), and nitroimidazole (nIm; AuNP@nIm-CPP). Mice with subcutaneous 4T1 tumors received either AuNP@nIm-CPP or AuNP@CPP intraperitoneally. Tumor and normal tissue uptake were evaluated 24 h post AuNP administration. A separate cohort of mice was injected and irradiated to a single-fraction dose of 18 Gy in a 225 kVp small animal irradiator 24 h post NP administration. The mice were followed for two weeks to evaluate tumor response. The mean physical and hydrodynamic size of both NP systems were 5 and 13 nm, respectively. NP nIm-loading of 1 wt% was determined. Tumor accumulation of AuNP@nIm-CPP was significantly lower than that of AuNP@CPP (0.2% vs 1.2%, respectively). In contrast, AuNP@nIm-CPP showed higher accumulation compared to AuNP@CPP in liver (16.5% vs 6.6%, respectively) and spleen (10.8% vs 3.1%, respectively). With respect to tumor response, no differential response was found between non-irradiated mice receiving either saline or AuNP@nIm-CPP alone. The combination of AuNP@CPP+ radiation showed no differential response from radiation alone. In contrast, a significant delay in tumor regrowth was observed in mice receiving AuNP@nIm-CPP+ radiation compared to radiation alone. AuNP functionalized with both CPP and nIm exhibited an order of magnitude less tumor accumulation compared to the NP system without nIm yet resulted in a significantly higher therapeutic response. Our data suggest that by improving the biokinetics of AuNP@nIm-CPP, this novel NP system could be a promising radiosensitizer for enhanced therapeutic response following radiation therapy.
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Affiliation(s)
- Anna S Kim
- Department of Radiation Oncology, Stanford University School of Medicine, Stanford, CA, United States of America
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36
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Fuentealba M, Santibáñez M. Monte Carlo evaluation of the dose sparing and dose enhancement by combination of Gd-infused tumor and 241Am source for an endocavitary brachytherapy geometry. Appl Radiat Isot 2020; 163:109194. [DOI: 10.1016/j.apradiso.2020.109194] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2019] [Revised: 04/06/2020] [Accepted: 04/08/2020] [Indexed: 10/24/2022]
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37
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Gerosa C, Crisponi G, Nurchi VM, Saba L, Cappai R, Cau F, Faa G, Van Eyken P, Scartozzi M, Floris G, Fanni D. Gold Nanoparticles: A New Golden Era in Oncology? Pharmaceuticals (Basel) 2020; 13:E192. [PMID: 32806755 PMCID: PMC7464886 DOI: 10.3390/ph13080192] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2020] [Revised: 08/03/2020] [Accepted: 08/10/2020] [Indexed: 01/01/2023] Open
Abstract
In recent years, the spectrum of possible applications of gold in diagnostics and therapeutic approaches in clinical practice has changed significantly, becoming surprisingly broad. Nowadays, gold-based therapeutic agents are used in the therapy of multiple human diseases, ranging from degenerative to infectious diseases and, in particular, to cancer. At the basis of these performances of gold, there is the development of new gold-based nanoparticles, characterized by a promising risk/benefit ratio that favors their introduction in clinical trials. Gold nanoparticles appear as attractive elements in nanomedicine, a branch of modern clinical medicine, which combines high selectivity in targeting tumor cells and low toxicity. Thanks to these peculiar characteristics, gold nanoparticles appear as the starting point for the development of new gold-based therapeutic strategies in oncology. Here, the new gold-based therapeutic agents developed in recent years are described, with particular emphasis on the possible applications in clinical practice as anticancer agents, with the aim that their application will give rise to a new golden age in oncology and a breakthrough in the fight against cancer.
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Affiliation(s)
- Clara Gerosa
- UOC Anatomia Patologica, AOU Cagliari, University of Cagliari, 09124 Cagliari, Italy; (C.G.); (F.C.); (G.F.)
| | - Guido Crisponi
- Dipartimento di Scienze della Vita e dell’Ambiente, University of Cagliari, 09042 Cagliari, Italy; (V.M.N.); (R.C.)
| | - Valeria Marina Nurchi
- Dipartimento di Scienze della Vita e dell’Ambiente, University of Cagliari, 09042 Cagliari, Italy; (V.M.N.); (R.C.)
| | - Luca Saba
- UOC Radiologia, AOU Cagliari, University of Cagliari, 09042 Cagliari, Italy;
| | - Rosita Cappai
- Dipartimento di Scienze della Vita e dell’Ambiente, University of Cagliari, 09042 Cagliari, Italy; (V.M.N.); (R.C.)
| | - Flaviana Cau
- UOC Anatomia Patologica, AOU Cagliari, University of Cagliari, 09124 Cagliari, Italy; (C.G.); (F.C.); (G.F.)
| | - Gavino Faa
- UOC Anatomia Patologica, AOU Cagliari, University of Cagliari, 09124 Cagliari, Italy; (C.G.); (F.C.); (G.F.)
- Department of Biology, College of Science and Technology, Temple University, Philadelphia, PA 19122, USA
| | - Peter Van Eyken
- Department of Pathology, Genk Regional Ziekenhuis, 3600 Genk, Belgium;
| | - Mario Scartozzi
- UOC Oncologia Medica, AOU Cagliari, University of Cagliari, 09042 Cagliari, Italy;
| | - Giuseppe Floris
- Pathologische Ontleedkunde K.U. Leuven, 3000 Leuven, Belgium;
| | - Daniela Fanni
- UOC Anatomia Patologica, AOU Cagliari, University of Cagliari, 09124 Cagliari, Italy; (C.G.); (F.C.); (G.F.)
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Mueller R, Yasmin-Karim S, DeCosmo K, Vazquez-Pagan A, Sridhar S, Kozono D, Hesser J, Ngwa W. Increased carcinoembryonic antigen expression on the surface of lung cancer cells using gold nanoparticles during radiotherapy. Phys Med 2020; 76:236-242. [PMID: 32731132 PMCID: PMC7500560 DOI: 10.1016/j.ejmp.2020.06.024] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/23/2020] [Revised: 06/09/2020] [Accepted: 06/27/2020] [Indexed: 01/01/2023] Open
Abstract
PURPOSE Tumor-associated antigens are a promising target of immunotherapy approaches for cancer treatments but rely on sufficient expression of the target antigen. This study investigates the expression of the carcinoembryonic antigen (CEA) on the surface of irradiated lung cancer cells in vitro using gold nanoparticles as radio-enhancer. METHODS Human lung carcinoma cells A549 were irradiated and expression of CEA on the cell surface measured by flow cytometry 3 h, 24 h, and 72 h after irradiation to doses of 2 Gy, 6 Gy, 10 Gy, and 20 Gy in the presence or absence of 0.1 mg/ml or 0.5 mg/ml gold nanoparticles. CEA expression was measured as median fluorescent intensity and percentage of CEA-positive cells. RESULTS An increase in CEA expression was observed with both increasing radiation dose and time. There was doubling in median fluorescent intensity 24 h after 20 Gy irradiation and 72 h after 6 Gy irradiation. Use of gold nanoparticles resulted in additional significant increase in CEA expression. Change in cell morphology included swelling of cells and increased internal complexity in accordance with change in CEA expression. CONCLUSIONS This study showed an increase in CEA expression on human lung carcinoma cells following irradiation. Increase in expression was observed with increasing radiation dose and in a time dependent manner up to 72 h post irradiation. The results further showed that gold nanoparticles can significantly increase CEA expression following radiotherapy.
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Affiliation(s)
- Romy Mueller
- Data Analysis and Modeling in Medicine, Mannheim Institute for Intelligent Systems in Medicine (MIISM), Heidelberg University, 69117 Heidelberg, Germany; Heidelberg University, 69117 Heidelberg, Germany; Department of Radiation Oncology, Brigham and Women's Hospital, Dana-Farber Cancer Institute, Boston, MA 02115, USA.
| | - Sayeda Yasmin-Karim
- Department of Radiation Oncology, Brigham and Women's Hospital, Dana-Farber Cancer Institute, Boston, MA 02115, USA; Harvard Medical School, Boston, MA 02115, USA
| | - Kaylie DeCosmo
- Department of Radiation Oncology, Brigham and Women's Hospital, Dana-Farber Cancer Institute, Boston, MA 02115, USA; Department of Health Science, Northeastern University, Boston, MA 02115, USA
| | - Ana Vazquez-Pagan
- Department of Biology, Northeastern University, Boston, MA 02115, USA
| | - Srinivas Sridhar
- Harvard Medical School, Boston, MA 02115, USA; Northeastern University, Boston, MA 02115, USA
| | - David Kozono
- Department of Radiation Oncology, Brigham and Women's Hospital, Dana-Farber Cancer Institute, Boston, MA 02115, USA
| | - Juergen Hesser
- Data Analysis and Modeling in Medicine, Mannheim Institute for Intelligent Systems in Medicine (MIISM), Heidelberg University, 69117 Heidelberg, Germany; Heidelberg University, 69117 Heidelberg, Germany; Interdisciplinary Center for Scientific Computing (IWR), Heidelberg University, 69120 Heidelberg, Germany; Central Institute for Computer Engineering (ZITI), Heidelberg University, 68159 Mannheim, Germany
| | - Wilfred Ngwa
- Department of Radiation Oncology, Brigham and Women's Hospital, Dana-Farber Cancer Institute, Boston, MA 02115, USA; Harvard Medical School, Boston, MA 02115, USA; Department of Physics and Applied Physics, University of Massachusetts Lowell, Lowell, MA 01854, USA
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Wang J, Li Z, Wang Z, Yu Y, Li D, Li B, Ding J. Nanomaterials for Combinational Radio–Immuno Oncotherapy. ADVANCED FUNCTIONAL MATERIALS 2020; 30:1910676. [DOI: 10.1002/adfm.201910676] [Citation(s) in RCA: 34] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/24/2019] [Accepted: 03/09/2020] [Indexed: 08/29/2023]
Affiliation(s)
- Juan Wang
- Key Laboratory of Polymer EcomaterialsChangchun Institute of Applied ChemistryChinese Academy of Sciences 5625 Renmin Street Changchun 130022 P. R. China
- Department of Radiation OncologyCancer Hospital of Shandong First Medical University 440 Jiyan Road Jinan 250117 P. R. China
| | - Zhongmin Li
- Key Laboratory of Polymer EcomaterialsChangchun Institute of Applied ChemistryChinese Academy of Sciences 5625 Renmin Street Changchun 130022 P. R. China
- Department of Gastrointestinal, Colorectal, and Anal SurgeryChina–Japan Union Hospital of Jilin University 126 Xiantai Street Changchun 130012 P. R. China
| | - Zhongtang Wang
- Department of Radiation OncologyCancer Hospital of Shandong First Medical University 440 Jiyan Road Jinan 250117 P. R. China
| | - Yonghua Yu
- Department of Radiation OncologyCancer Hospital of Shandong First Medical University 440 Jiyan Road Jinan 250117 P. R. China
| | - Di Li
- Key Laboratory of Polymer EcomaterialsChangchun Institute of Applied ChemistryChinese Academy of Sciences 5625 Renmin Street Changchun 130022 P. R. China
| | - Baosheng Li
- Department of Radiation OncologyCancer Hospital of Shandong First Medical University 440 Jiyan Road Jinan 250117 P. R. China
| | - Jianxun Ding
- Key Laboratory of Polymer EcomaterialsChangchun Institute of Applied ChemistryChinese Academy of Sciences 5625 Renmin Street Changchun 130022 P. R. China
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Yaqoob SB, Adnan R, Rameez Khan RM, Rashid M. Gold, Silver, and Palladium Nanoparticles: A Chemical Tool for Biomedical Applications. Front Chem 2020; 8:376. [PMID: 32582621 PMCID: PMC7283583 DOI: 10.3389/fchem.2020.00376] [Citation(s) in RCA: 109] [Impact Index Per Article: 27.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2020] [Accepted: 04/09/2020] [Indexed: 12/15/2022] Open
Abstract
Herein, the role of metal-based nanoparticles (NPs) in biomedical analysis and the treatment of critical deceases been highlighted. In the world of nanotechnology, noble elements such as the gold/silver/palladium (Au/Ag/Pd) NPs are the most promising emerging trend to design bioengineering materials that could to be employed as modern diagnostic tools and devices to combat serious diseases. NPs are considered a powerful and advanced chemical tool to diagnose and to cure critical ailments such as HIV, cancer, and other types of infectious illnesses. The treatment of cancer is the most significant application of nanotechnology which is based on premature tumor detection and analysis of cancer cells through Nano-devices. The fascinating characteristic properties of NPs-such as high surface area, high surface Plasmon resonance, multi-functionalization, highly stable nature, and easy processing-make them more prolific for nanotechnology. In this review article, the multifunctional roles of Au/Ag/Pd NPs in the field of medical science, the physicochemical toxicity dependent properties, and the interaction mechanism is highlighted. Due to the cytotoxicity of Ag/Au/Pd NPs, the conclusion and future remarks emphasize the need for further research to minimize the toxicity of NPs in the bio-medicinal field.
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Affiliation(s)
- Sundas Bahar Yaqoob
- Department of Zoology, Mirpur University of Science and Technology Mirpur, Mirpur, Pakistan
| | - Rohana Adnan
- School of Chemical Sciences, Universiti Sains Malaysia, Penang, Malaysia
| | | | - Mohammad Rashid
- School of Chemical Sciences, Universiti Sains Malaysia, Penang, Malaysia
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41
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De Souza C, Ma Z, Lindstrom AR, Chatterji BP. Nanomaterials as potential transporters of HDAC inhibitors. MEDICINE IN DRUG DISCOVERY 2020. [DOI: 10.1016/j.medidd.2020.100040] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022] Open
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42
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Nakayama M, Akasaka H, Geso M, Morita K, Yada R, Uehara K, Sasaki R. Utilisation of the chemiluminescence method to measure the radiation dose enhancement caused by gold nanoparticles: A phantom-based study. RADIAT MEAS 2020. [DOI: 10.1016/j.radmeas.2020.106317] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
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43
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Ali I, Mukhtar SD, Ali HS, Scotti MT, Scotti L. Advances in Nanoparticles as Anticancer Drug Delivery Vector: Need of this Century. Curr Pharm Des 2020; 26:1637-1649. [DOI: 10.2174/1381612826666200203124330] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2019] [Accepted: 12/02/2019] [Indexed: 12/17/2022]
Abstract
Background:
Nanotechnology has contributed a great deal to the field of medical science. Smart drugdelivery
vectors, combined with stimuli-based characteristics, are becoming increasingly important. The use of
external and internal stimulating factors can have enormous benefits and increase the targeting efficiency of
nanotechnology platforms. The pH values of tumor vascular tissues are acidic in nature, allowing the improved
targeting of anticancer drug payloads using drug-delivery vectors. Nanopolymers are smart drug-delivery vectors
that have recently been developed and recommended for use by scientists because of their potential targeting
capabilities, non-toxicity and biocompatibility, and make them ideal nanocarriers for personalized drug delivery.
Method:
The present review article provides an overview of current advances in the use of nanoparticles (NPs) as
anticancer drug-delivery vectors.
Results:
This article reviews the molecular basis for the use of NPs in medicine, including personalized medicine,
personalized therapy, emerging vistas in anticancer therapy, nanopolymer targeting, passive and active targeting
transports, pH-responsive drug carriers, biological barriers, computer-aided drug design, future challenges and
perspectives, biodegradability and safety.
Conclusions:
This article will benefit academia, researchers, clinicians, and government authorities by providing a
basis for further research advancements.
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Affiliation(s)
- Imran Ali
- Department of Chemistry, College of Sciences, Taibah University, Al-Medina Al-Munawara – 41477, Saudi Arabia
| | - Sofi D. Mukhtar
- Department of Chemistry, Jamia Millia Islamia (Central University) New Delhi-110025, India
| | - Heyam S. Ali
- Department of Pharmaceutics, University of Khartoum, Khartoum, Sudan
| | - Marcus T. Scotti
- Cheminformatics Laboratory- Postgraduate Program in Natural Products and Synthetic Bioactive, Federal University of Paraíba-Campus I 58051-970, João Pessoa, PB, Brazil
| | - Luciana Scotti
- Teaching and Research Management - University Hospital, Cheminformatics Laboratory- Postgraduate Program in Natural Products and Synthetic Bioactive, Federal University of Paraíba-Campus I, 58051-970, João Pessoa, PB, Brazil
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Lemelin V, Bass AD, Sanche L. Low energy (6-18 eV) electron scattering from condensed thymidine (dT) III: absolute electronic excitation cross sections. Phys Chem Chem Phys 2020; 22:8364-8372. [PMID: 32266899 DOI: 10.1039/d0cp00198h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Absolute cross sections (CSs) for electronic excitation by low-energy electron (LEE) scattering, from condensed thymidine (dT) in the 6-18 eV incident energy range, were measured by high-resolution electron energy loss spectroscopy (HREELS). Various electron energy loss (EEL) spectra were acquired using 1 ML of dT condensed on a multilayer film of Ar held at about 20 K under ultra-high vacuum (∼1 × 10-11 Torr). dT is one of the most complex DNA constituents to be studied by HREELS and these spectra provide the first LEE energy-loss data for electronic excitation of a nucleoside. CSs for transitions to the states 13A', 13A'', 23A', 21A', 33A', 23A'', 43A', 33A'', 53A' and 51A' of dT were extracted from the EEL spectra. These states correlate to those previously measured for the thymine moiety. Two broad resonances are observed in the energy dependence of the CSs at around 8 and 10 eV; these energies are close to those found in earlier gas- and solid-phase studies on the interaction of LEEs with dT, thymine and related molecules. A quantitative comparison between the electronic CSs of dT and those of thymine and tetrahydrofuran indicates that no variation is induced in the electronic CSs of thymine upon chemically binding to a deoxyribose group.
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Affiliation(s)
- V Lemelin
- Groupe en Sciences des Radiations, Département de Médecine Nucléaire et Radiobiologie, Faculté de Médecine et Sciences des radiations, Université de Sherbrooke, Québec J1H 5N4, Canada.
| | - A D Bass
- Groupe en Sciences des Radiations, Département de Médecine Nucléaire et Radiobiologie, Faculté de Médecine et Sciences des radiations, Université de Sherbrooke, Québec J1H 5N4, Canada.
| | - L Sanche
- Groupe en Sciences des Radiations, Département de Médecine Nucléaire et Radiobiologie, Faculté de Médecine et Sciences des radiations, Université de Sherbrooke, Québec J1H 5N4, Canada.
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Gold Nanoparticles in Glioma Theranostics. Pharmacol Res 2020; 156:104753. [PMID: 32209363 DOI: 10.1016/j.phrs.2020.104753] [Citation(s) in RCA: 34] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/30/2019] [Revised: 03/07/2020] [Accepted: 03/09/2020] [Indexed: 01/07/2023]
Abstract
Despite many endeavors to treat malignant gliomas in the last decades, the median survival of patients has not significantly improved. The infiltrative nature of high-grade gliomas and the impermeability of the blood-brain barrier to the most therapeutic agents remain major hurdles, impeding an efficacious treatment. Theranostic platforms bridging diagnosis and therapeutic modalities aim to surmount the current limitations in diagnosis and therapy of glioma. Gold nanoparticles (AuNPs) due to their biocompatibility and tunable optical properties have widely been utilized for an assortment of theranostic purposes. In this Review, applications of AuNPs as imaging probes, drug/gene delivery systems, radiosensitizers, photothermal transducers, and multimodal theranostic agents in malignant gliomas are discussed. This Review also aims to provide a perspective on cancer theranostic applications of AuNPs in future clinical trials.
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Gao Y, Mu Q, Zhu L, Li Z, Ho RJY. Optimizing a Novel Au-Grafted Lipid Nanoparticle Through Chelation Chemistry for High Photothermal Biologic Activity. J Pharm Sci 2020; 109:1780-1788. [PMID: 32081720 DOI: 10.1016/j.xphs.2020.02.010] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2019] [Revised: 01/13/2020] [Accepted: 02/11/2020] [Indexed: 11/29/2022]
Abstract
Gold nanoparticles through nucleation of Au clusters have been extensively studied. However, due to low potency, prolonged tissue retention, and irreversible accumulation, the safety considerations have limited their therapeutic and diagnostic applications. Novel gold nanostructures with retained physical properties and higher biodegradability could be prepared by alternative approaches. Previously, a lipid nanoparticle (LNP) platform carrying gadolinium (Gd3+) has been reported to eliminate through the biliary without accumulation in the liver or kidney within 24 h. Inspired by this discovery, we investigated a new approach of forming gold nanoparticles using preformed LNPs grafting diethylenetriamine-pentaacetic acid as a chelating agent. Tiny Au nanoparticles are formed by simply mixing Au3+ with preformed diethylenetriamine-pentaacetic acid-LNP. The Au3+ associates stably to these LNPs after a systematic optimization. The Au-grafted LNPs are scalable and showed excellent photothermal effects when subjected to near-infrared light irradiation. They exhibit enhanced light-induced tumor cell killing at higher efficiency, compared with that of classical gold nanoparticles (citrated reduced). Given an additional small dose (2 Gy) of gamma irradiation, Au-grafted LNP could produce synergistic photothermal and radiotherapeutic effects under reduced light dose. The simple and adaptive nanoparticle design may enhance the margin of safety of gold nanoparticles in the treatment of cancers and other diseases.
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Affiliation(s)
- Yu Gao
- Cancer Metastasis Alert and Prevention Center, College of Chemistry, Fujian Provincial Key Laboratory of Cancer Metastasis Chemoprevention and Chemotherapy, Fuzhou University, Fuzhou 350108, China; Department of Pharmaceutics, University of Washington, Seattle, Washington 98195
| | - Qingxin Mu
- Department of Pharmaceutics, University of Washington, Seattle, Washington 98195
| | - Lisheng Zhu
- Cancer Metastasis Alert and Prevention Center, College of Chemistry, Fujian Provincial Key Laboratory of Cancer Metastasis Chemoprevention and Chemotherapy, Fuzhou University, Fuzhou 350108, China
| | - Ziying Li
- Cancer Metastasis Alert and Prevention Center, College of Chemistry, Fujian Provincial Key Laboratory of Cancer Metastasis Chemoprevention and Chemotherapy, Fuzhou University, Fuzhou 350108, China
| | - Rodney J Y Ho
- Department of Pharmaceutics, University of Washington, Seattle, Washington 98195; Department of Bioengineering, University of Washington, Seattle, Washington 98195.
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Casanelli B, Santibáñez M, Valente M. Particle size effect on fluorescence emission for Au-infused soft tissues. Radiat Phys Chem Oxf Engl 1993 2020. [DOI: 10.1016/j.radphyschem.2019.04.052] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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48
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TiO 2 Nanomaterials Non-Controlled Contamination Could Be Hazardous for Normal Cells Located in the Field of Radiotherapy. Int J Mol Sci 2020; 21:ijms21030940. [PMID: 32023866 PMCID: PMC7037422 DOI: 10.3390/ijms21030940] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2020] [Revised: 01/24/2020] [Accepted: 01/27/2020] [Indexed: 01/14/2023] Open
Abstract
Among nanomaterials (NMs), titanium dioxide (TiO2) is one of the most manufactured NMs and can be found in many consumers' products such as skin care products, textiles and food (as E171 additive). Moreover, due to its most attractive property, a photoactivation upon non-ionizing UVA radiation, TiO2 NMs is widely used as a decontaminating agent. Uncontrolled contaminations by TiO2 NMs during their production (professional exposure) or by using products (consumer exposure) are rather frequent. So far, TiO2 NMs cytotoxicity is still a matter of controversy depending on biological models, types of TiO2 NMs, suspension preparation and biological endpoints. TiO2 NMs photoactivation has been widely described for UV light radiation exposure, it could lead to reactive oxygen species production, known to be both cyto- and genotoxic on human cells. After higher photon energy exposition, such as X-rays used for radiotherapy and for medical imaging, TiO2 NMs photoactivation still occurs. Importantly, the question of its hazard in the case of body contamination of persons receiving radiotherapy was never addressed, knowing that healthy tissues surrounding the tumor are indeed exposed. The present work focuses on the analysis of human normal bronchiolar cell response after co-exposition TiO2 NMs (with different coatings) and ionizing radiation. Our results show a clear synergistic effect, in terms of cell viability, cell death and oxidative stress, between TiO2 NMS and radiation.
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Boateng F, Ngwa W. Delivery of Nanoparticle-Based Radiosensitizers for Radiotherapy Applications. Int J Mol Sci 2019; 21:ijms21010273. [PMID: 31906108 PMCID: PMC6981554 DOI: 10.3390/ijms21010273] [Citation(s) in RCA: 57] [Impact Index Per Article: 11.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2019] [Revised: 10/21/2019] [Accepted: 12/16/2019] [Indexed: 02/06/2023] Open
Abstract
Nanoparticle-based radiosensitization of cancerous cells is evolving as a favorable modality for enhancing radiotherapeutic ratio, and as an effective tool for increasing the outcome of concomitant chemoradiotherapy. Nevertheless, delivery of sufficient concentrations of nanoparticles (NPs) or nanoparticle-based radiosensitizers (NBRs) to the targeted tumor without or with limited systemic side effects on healthy tissues/organs remains a challenge that many investigators continue to explore. With current systemic intravenous delivery of a drug, even targeted nanoparticles with great prospect of reaching targeted distant tumor sites, only a portion of the administered NPs/drug dosage can reach the tumor, despite the enhanced permeability and retention (EPR) effect. The rest of the targeted NPs/drug remain in systemic circulation, resulting in systemic toxicity, which can decrease the general health of patients. However, the dose from ionizing radiation is generally delivered across normal tissues to the tumor cells (especially external beam radiotherapy), which limits dose escalation, making radiotherapy (RT) somewhat unsafe for some diseased sites despite the emerging development in RT equipment and technologies. Since radiation cannot discriminate healthy tissue from diseased tissue, the radiation doses delivered across healthy tissues (even with nanoparticles delivered via systemic administration) are likely to increase injury to normal tissues by accelerating DNA damage, thereby creating free radicals that can result in secondary tumors. As a result, other delivery routes, such as inhalation of nanoparticles (for lung cancers), localized delivery via intratumoral injection, and implants loaded with nanoparticles for local radiosensitization, have been studied. Herein, we review the current NP delivery techniques; precise systemic delivery (injection/infusion and inhalation), and localized delivery (intratumoral injection and local implants) of NBRs/NPs. The current challenges, opportunities, and future prospects for delivery of nanoparticle-based radiosensitizers are also discussed.
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Affiliation(s)
- Francis Boateng
- TIDTAC LLC, Orlando, FL 32828, USA
- Correspondence: ; Tel.: +1-7745264723
| | - Wilfred Ngwa
- TIDTAC LLC, Orlando, FL 32828, USA
- Department of Physics and Applied Physics, University of Massachusetts Lowell Lowell, MA 01854, USA
- Department of Radiation Oncology, Brigham and Women’s Hospital, Boston, MA 02115, USA
- Department of Radiation Oncology, Harvard Medical School, Boston, MA 02115, USA
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Santibáñez M, Saavedra R, Vedelago J, Malano F, Valente M. Optimized EDXRF system for simultaneous detection of gold and silver nanoparticles in tumor phantom. Radiat Phys Chem Oxf Engl 1993 2019. [DOI: 10.1016/j.radphyschem.2019.108415] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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