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Li SJ, Li F, Kong N, Liu JR, Zhu X. Near Infrared Emissive Lanthanide Luminescence Nanoparticle Used in Early Diagnosis and Brain Temperature Detection for Ischemic Stroke. Adv Healthc Mater 2023; 12:e2302276. [PMID: 37717206 DOI: 10.1002/adhm.202302276] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2023] [Revised: 09/14/2023] [Indexed: 09/18/2023]
Abstract
Ischemic stroke (IS) is one of the most dangerous medical conditions resulting in high mortality and morbidity. The increased brain temperature after IS is closely related to prognosis, making it highly significant for the early diagnosis and the progression evaluation of IS. Herein, a temperature-responsive near infrared (NIR) emissive lanthanide luminescence nanoparticle is developed for the early diagnosis and brain temperature detection of IS. After intravenous injection, the nanoparticles can pass through the damaged blood-brain barrier of the ischemic region, allowing the extravasation and enrichment of nanoparticles into the ischemic brain tissue. The NIR luminescence signals of the nanoparticles are used not only to judge the location and severity of the cerebral ischemic injury but also to report the brain temperature variation in the ischemic area through a visualized way. The results show that the designed nanoparticles can be used for the early diagnosis of ischemic stroke and minimally invasive temperature detection of cerebral ischemic tissues in transient middle cerebral artery occlusion mice model, which is expected to make the clinical diagnosis of ischemic stroke more rapid and convenient, more accurately evaluate the state of brain injury in stroke patients and also guide stroke hypothermia treatment.
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Affiliation(s)
- Shen-Jie Li
- Department of Neurology, Stroke Center, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, 639 ZhiZaoJu Road, Huangpu District, Shanghai, 200011, China
| | - Fang Li
- School of Physical Science and Technology, ShanghaiTech University, 393 Middle Huaxia Road, Shanghai, 201210, China
| | - Na Kong
- School of Physical Science and Technology, ShanghaiTech University, 393 Middle Huaxia Road, Shanghai, 201210, China
| | - Jian-Ren Liu
- Department of Neurology, Stroke Center, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, 639 ZhiZaoJu Road, Huangpu District, Shanghai, 200011, China
| | - Xingjun Zhu
- School of Physical Science and Technology, ShanghaiTech University, 393 Middle Huaxia Road, Shanghai, 201210, China
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Li Y, Zhang X, Zhang Y, Zhang Y, He Y, Liu Y, Ju H. Activatable Photodynamic Therapy with Therapeutic Effect Prediction Based on a Self-correction Upconversion Nanoprobe. ACS Appl Mater Interfaces 2020; 12:19313-19323. [PMID: 32275130 DOI: 10.1021/acsami.0c03432] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Though emerging as a promising therapeutic approach for cancers, the crucial challenge for photodynamic therapy (PDT) is activatable phototoxicity for selective cancer cell destruction with low "off-target" damage and simultaneous therapeutic effect prediction. Here, we design an upconversion nanoprobe for intracellular cathepsin B (CaB)-responsive PDT with in situ self-corrected therapeutic effect prediction. The upconversion nanoprobe is composed of multishelled upconversion nanoparticles (UCNPs) NaYF4:Gd@NaYF4:Er,Yb@NaYF4:Nd,Yb, which covalently modified with an antenna molecule 800CW for UCNPs luminance enhancement under NIR irradiation, photosensitizer Rose Bengal (RB) for PDT, Cy3 for therapeutic effect prediction, and CaB substrate peptide labeled with a QSY7 quencher. The energy of UCNPs emission at 540 nm is transferred to Cy3/RB and eventually quenched by QSY7 via two continuous luminance resonance energy transfer processes from interior UCNPs to its surface-extended QSY7. The intracellular CaB specifically cleaves peptide to release QSY7, which correspondingly activates RB with reactive oxygen species (ROS) generation for PDT and recovers Cy3 luminance for CaB imaging. UCNPs emission at 540 nm remains unchanged during the peptide cleavage process, which is served as an internal standard for Cy3 luminance correction, and the fluorescence intensity ratio of Cy3 over UCNPs (FI583/FI540) is measured for self-corrected therapeutic effect prediction. The proposed self-corrected upconversion nanoprobe implies significant potential in precise tumor therapy.
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Affiliation(s)
- Yuyi Li
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, P. R. China
| | - Xiaobo Zhang
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, P. R. China
| | - Yue Zhang
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, P. R. China
| | - Yue Zhang
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, P. R. China
| | - Yuling He
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, P. R. China
| | - Ying Liu
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, P. R. China
- Chemistry and Biomedicine Innovation Center, Nanjing University, Nanjing 210023, China
| | - Huangxian Ju
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, P. R. China
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3
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Abstract
Lanthanides and actinides are used in a wide variety of applications, from energy production to life sciences. To address toxicity issues due to the chemical, and often radiological, properties of these elements, methods to quantify and recover them from industrial waste are necessary. When used in biomedicine, lanthanides and actinides are incorporated in compounds that show promising therapeutic and/or bioimaging properties, but lack robust strategies to target cancer and other pathologies. Furthermore, current decorporation protocols to respond to accidental actinide exposure rely on intravenous injections of soluble chelating agents, which are inefficient for treatment of inhaled radionuclides trapped in lungs. In recent years, nanoparticles have emerged as powerful tools in both industry and clinical settings. Because some inorganic nanoparticles are sensitive to external stimuli, such as light and magnetic fields, they can be used as building blocks for sensitive bioassays and separation techniques. In addition, nanoparticles can be functionalized with multiple ligands and act as carriers for selective delivery of therapeutic and contrast agents. This review summarizes and discusses recent progress on the use of nanoparticles in lanthanide and actinide chemistry. We examine different types of nanoparticles based on composition, functionalization, and properties, and we critically analyze their performance in a comparative mode. Our focus is two-pronged, including the nanoparticles free of lanthanides and actinides that are used for the detection, separation, or decorporation of f-block elements, as well as the nanoparticles that enhance the inherent properties of lanthanides and actinides for therapeutics, imaging and catalysis.
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Affiliation(s)
- Roger M Pallares
- Chemical Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, CA 94720, USA.
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Zhong X, Wang X, Zhan G, Tang Y, Yao Y, Dong Z, Hou L, Zhao H, Zeng S, Hu J, Cheng L, Yang X. NaCeF 4:Gd,Tb Scintillator as an X-ray Responsive Photosensitizer for Multimodal Imaging-Guided Synchronous Radio/Radiodynamic Therapy. Nano Lett 2019; 19:8234-8244. [PMID: 31576757 DOI: 10.1021/acs.nanolett.9b03682] [Citation(s) in RCA: 69] [Impact Index Per Article: 13.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/24/2023]
Abstract
Photosensitizers (PSs) that are directly responsive to X-ray for radiodynamic therapy (RDT) with desirable imaging abilities have great potential applications in cancer therapy. Herein, the cerium (Ce)-doped NaCeF4:Gd,Tb scintillating nanoparticle (ScNP or scintillator) is first reported. Due to the sensitization effect of the Ce ions, Tb ions can emit fluorescence under X-ray irradiation to trigger X-ray excited fluorescence (XEF). Moreover, Ce and Tb ions can absorb the energy of secondary electrons generated by X-ray to produce reactive oxide species (ROS) for RDT. With the intrinsic absorption of X-ray by lanthanide elements, the NaCeF4:Gd,Tb ScNPs also act as a computed tomography (CT) imaging contrast agent and radiosensitizers for radiotherapy (RT) sensitization synchronously. Most importantly, the transverse relaxation time of Gd3+ ions is shortened due to the doping of Ce and Tb ions, leading to the excellent performance of our ScNPs in T2-weighted MR imaging for the first time. Both in vitro and in vivo studies verify that our synthesized ScNPs have good performance in XEF, CT, and T2-weighted MR imaging, and a synchronous RT/RDT is achieved with significant suppression on tumor progression under X-ray irradiation. Importantly, no systemic toxicity is observed after intravenous injection of ScNPs. Our work highlights that ScNPs have potential in multimodal imaging-guided RT/RDT of deep tumors.
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Affiliation(s)
- Xiaoyan Zhong
- National Engineering Research Center for Nanomedicine, College of Life Science and Technology , Huazhong University of Science and Technology , Wuhan 430074 , China
| | - Xianwen Wang
- Institute of Functional Nano & Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials and Devices , Soochow University , Suzhou 215123 , China
| | - Guiting Zhan
- National Engineering Research Center for Nanomedicine, College of Life Science and Technology , Huazhong University of Science and Technology , Wuhan 430074 , China
| | - Yong'an Tang
- Collaborative Innovation Center for Optoelectronic Science and Technology, Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province, College of Optoelectronic Engineering , Shenzhen University , Shenzhen 518060 , China
| | - Yuzhu Yao
- National Engineering Research Center for Nanomedicine, College of Life Science and Technology , Huazhong University of Science and Technology , Wuhan 430074 , China
| | - Ziliang Dong
- Institute of Functional Nano & Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials and Devices , Soochow University , Suzhou 215123 , China
| | - Linqian Hou
- Institute of Functional Nano & Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials and Devices , Soochow University , Suzhou 215123 , China
| | - He Zhao
- Children's Hospital of Soochow University , Pediatric Research Institute of Soochow University Suzhou , Suzhou 215123 , China
| | - Songjun Zeng
- College of Physics and Information Science, and Key Laboratory of Low-dimensional Quantum Structures and Quantum Control of the Ministry of Education, and Synergetic Innovation Center for Quantum Effects and Applications , Hunan Normal University , Changsha 410081 , China
| | - Jun Hu
- National Engineering Research Center for Nanomedicine, College of Life Science and Technology , Huazhong University of Science and Technology , Wuhan 430074 , China
| | - Liang Cheng
- Institute of Functional Nano & Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials and Devices , Soochow University , Suzhou 215123 , China
| | - Xiangliang Yang
- National Engineering Research Center for Nanomedicine, College of Life Science and Technology , Huazhong University of Science and Technology , Wuhan 430074 , China
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Yan J, Yan S, Hou P, Lu W, Ma PX, He W, Lei B. A Hierarchical Peptide-Lanthanide Framework To Accurately Redress Intracellular Carcinogenic Protein-Protein Interaction. Nano Lett 2019; 19:7918-7926. [PMID: 31645103 DOI: 10.1021/acs.nanolett.9b03028] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Intracellular protein-protein interactions (PPIs) are a vital and yet underexploited class of therapeutic targets for their crucial roles in cellular processes and involvement in disease initiation and progression. Although some successful chemistry and nanotechnologies have been introduced into peptide PPI modulators to allow cell and tissue permeability, significant challenges remain with regard to the efficient and precise modulation of PPIs within specific cells of diseased tissues, such as solid tumors. Herein, an intratumoral transformable hierarchical framework, termed iPLF, was fabricated via a two-step self-assembly between peptides and lanthanide-doped nanocrystals. In this proof-of-concept study, using NanoEL effect, TME response, and tumor marker targeting, iPLF in vivo delivered the p53-MDM2 modulator DPMI into tumor cells and β-catenin-Bcl9 modulator Bcl9p into tumor stem cells. This crafted programmed nanomedicine with triple-stage delivery and responsiveness accurately modulated the specific intracellular protein-protein interactions, resulting in the suppression of tumor growth and metastasis in vivo, while maintaining a highly favorable safety profile. iPLF reached the goal of accurate, potent, and hazard-free intracellular PPI modulation, thereby providing a means to improve current knowledge of PPI networks and a novel therapeutic strategy for a great variety of diseases.
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Affiliation(s)
- Jin Yan
- Frontier Institute of Science and Technology, Key Laboratory of Shaanxi Province for Craniofacial Precision Medicine Research, College of Stomatology , Xi'an Jiaotong University , Xi'an 710054 , China
| | - Siqi Yan
- The First Affiliated Hospital of Xi'an Jiaotong University , Xi'an 710061 , P.R. China
| | - Peng Hou
- The First Affiliated Hospital of Xi'an Jiaotong University , Xi'an 710061 , P.R. China
| | - Wuyuan Lu
- Institute of Human Virology and Department of Biochemistry and Molecular Biology , University of Maryland School of Medicine , Baltimore , Maryland 21201 , United States
| | - Peter X Ma
- Department of Biologic and Materials Sciences, Department of Biomedical Engineering, Macromolecular Science and Engineering Center, Department of Materials Science and Engineering , University of Michigan , Ann Arbor , Michigan 48109 , United States
| | - Wangxiao He
- Department of Talent Highland , The First Affiliated Hospital of Xi'an Jiao Tong University , Xi'an 710061 , China
| | - Bo Lei
- Frontier Institute of Science and Technology, Key Laboratory of Shaanxi Province for Craniofacial Precision Medicine Research, College of Stomatology , Xi'an Jiaotong University , Xi'an 710054 , China
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Liu J, Huang L, Tian X, Chen X, Shao Y, Xie F, Chen D, Li L. Magnetic and fluorescent Gd 2O 3:Yb 3+/Ln 3+ nanoparticles for simultaneous upconversion luminescence/MR dual modal imaging and NIR-induced photodynamic therapy. Int J Nanomedicine 2016; 12:1-14. [PMID: 28031709 PMCID: PMC5179219 DOI: 10.2147/ijn.s118938] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
Abstract
The development of upconversion nanoparticles (UCNs) for theranostics application is a new strategy toward the accurate diagnosis and efficient treatment of cancer. Here, magnetic and fluorescent lanthanide-doped gadolinium oxide (Gd2O3) UCNs with bright upconversion luminescence (UCL) and high longitudinal relaxivity (r1) are used for simultaneous magnetic resonance imaging (MRI)/UCL dual-modal imaging and photodynamic therapy (PDT). In vitro and in vivo MRI studies show that these products can serve as good MRI contrast agents. The bright upconversion luminescence of the products allows their use as fluorescence nanoprobes for live cells imaging. We also utilized the luminescence-emission capability of the UCNs for the activation of a photosensitizer to achieve significant PDT results. To the best of our knowledge, this study is the first use of lanthanide-doped Gd2O3 UCNs in a theranostics application. This investigation provides a useful platform for the development of Gd2O3-based UCNs for clinical diagnosis, treatment, and imaging-guided therapy of cancer.
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Affiliation(s)
- Jun Liu
- School of Electronics and Information Technology and School of Physics
| | - Long Huang
- State Key Laboratory of Oncology in South China, Imaging Diagnosis and Interventional Center
- Department of Histology and Embryology, Zhongshan School of Medicine, Sun Yat-Sen University
| | - Xiumei Tian
- Department of Biomedical Engineering, Guangzhou Medical University
| | - Xiaoming Chen
- Department of Biomedical Engineering, Guangzhou Medical University
| | - Yuanzhi Shao
- State Key Laboratory of Optoelectronic Materials and Technologies, Sun Yat-Sen University, Guangzhou, People’s Republic of China
| | - Fukang Xie
- Department of Histology and Embryology, Zhongshan School of Medicine, Sun Yat-Sen University
| | - Dihu Chen
- School of Electronics and Information Technology and School of Physics
| | - Li Li
- State Key Laboratory of Oncology in South China, Imaging Diagnosis and Interventional Center
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Abstract
Lanthanide complexes are of increasing importance in cancer diagnosis and therapy, owing to the versatile chemical and magnetic properties of the lanthanide-ion 4f electronic configuration. Following the first implementation of gadolinium(III)-based contrast agents in magnetic resonance imaging in the 1980s, lanthanide-based small molecules and nanomaterials have been investigated as cytotoxic agents and inhibitors, in photodynamic therapy, radiation therapy, drug/gene delivery, biosensing, and bioimaging. As the potential utility of lanthanides in these areas continues to increase, this timely review of current applications will be useful to medicinal chemists and other investigators interested in the latest developments and trends in this emerging field.
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Affiliation(s)
- Ruijie D. Teo
- Division of Chemistry and Chemical Engineering, California Institute of Technology, Pasadena, California 91125, USA
| | - John Termini
- Department of Molecular Medicine, Beckman Research Institute of the City of Hope, 1500 E. Duarte Road, Duarte, California 91010, USA
| | - Harry B. Gray
- Division of Chemistry and Chemical Engineering, California Institute of Technology, Pasadena, California 91125, USA
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Ghaemi B, Mashinchian O, Mousavi T, Karimi R, Kharrazi S, Amani A. Harnessing the Cancer Radiation Therapy by Lanthanide-Doped Zinc Oxide Based Theranostic Nanoparticles. ACS Appl Mater Interfaces 2016; 8:3123-3134. [PMID: 26771200 DOI: 10.1021/acsami.5b10056] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
In this paper, doping of europium (Eu) and gadolinium (Gd) as high-Z elements into zinc oxide (ZnO) nanoparticles (NPs) was designed to optimize restricted energy absorption from a conventional radiation therapy by X-ray. Gd/Eu-doped ZnO NPs with a size of 9 nm were synthesized by a chemical precipitation method. The cytotoxic effects of Eu/Gd-doped ZnO NPs were determined using MTT assay in L929, HeLa, and PC3 cell lines under dark conditions as well as exposure to ultraviolet, X-ray, and γ radiation. Doped NPs at 20 μg/mL concentration under an X-ray dose of 2 Gy were as efficient as 6 Gy X-ray radiation on untreated cells. It is thus suggested that the doped NPs may be used as photoinducers to increase the efficacy of X-rays within the cells, consequently, cancer cell death. The doped NPs also could reduce the received dose by normal cells around the tumor. Additionally, we evaluated the diagnostic efficacy of doped NPs as CT/MRI nanoprobes. Results showed an efficient theranostic nanoparticulate system for simultaneous CT/MR imaging and cancer treatment.
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Affiliation(s)
| | - Omid Mashinchian
- Institute of Bioengineering, School of Life Sciences, École polytechnique fédérale de Lausanne (EPFL) , Lausanne, Switzerland
| | - Tayebeh Mousavi
- Department of Materials, University of Oxford , Oxford OX1 3PH, U.K
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Gano L, Marques F, Campello MP, Balbina M, Lacerda S, Santos I. Radiolanthanide complexes with tetraazamacrocycles bearing methylphosphonate pendant arms as bone seeking agents. Q J Nucl Med Mol Imaging 2007; 51:6-15. [PMID: 17372568] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/14/2023]
Abstract
AIM Radiolanthanide complexes with ligands bearing phosphonate groups have demonstrated their usefulness as bone seeking agents. Herein, we report on the synthesis of 153Sm and 166Ho complexes with 12- to 14-membered macrocycles containing different number of methylphosphonate pendant arms and their in vitro and in vivo evaluation in order to assess the effect of the cavity size and type of appended arms on their biological behavior. METHODS Radioactive macrocycle complexes were prepared by reaction of (153)Sm/(166)Ho nitrates with four different tetraazamacrocycles bearing methylphosphonate groups. Radiochemical behavior, in vitro stability and charge of complexes were studied by chromatography and electrophoresis. The lipophilicity, plasmatic protein binding and adsorption onto hydroxyapatite (HA) were evaluated by in vitro assays. Biodistribution was assessed in CD-1 mice. Radiolabeling efficiency depends both on radionuclide and ligand structure. All the complexes are hydrophilic with an overall negative charge and relatively low protein binding. High in vitro stability in human serum and adsorption onto HA was found for all the complexes. RESULTS Biodistribution and in vivo stability studies have demonstrated promising biological profile for targeted radiotherapy, namely a rapid tissue clearance from most organs and rapid total excretion. Additionally, 166Ho-tritp has a high bone uptake, which led to high bone/ blood and bone/muscle ratios. CONCLUSIONS Our results clearly demonstrate that 12- and 13-membered macrocyclic ligands led to stable complexes with biological profile adequate to radionuclide therapy. The favorable in vivo behavior highlights the interest to further investigate these or closely related complexes to be used as bone seeking agents.
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Affiliation(s)
- L Gano
- Technological and Nuclear Institute, Sacavém, Portugal.
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10
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Abstract
The medical applications of lanthanides are diverse: MRI contrast agents, hypophosphatemic agents for kidney dialysis patients, luminescent probes in cell studies, and for palliation of bone pain in osteosarcoma.
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Uusijärvi H, Bernhardt P, Rösch F, Maecke HR, Forssell-Aronsson E. Electron- and positron-emitting radiolanthanides for therapy: aspects of dosimetry and production. J Nucl Med 2006; 47:807-14. [PMID: 16644751] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/08/2023] Open
Abstract
UNLABELLED All lanthanides have similar chemical properties regarding labeling. Therefore, radiolanthanides that have been used for therapy, such as (153)Sm and (177)Lu, might easily be replaced with other radiolanthanides. The aim of this work was to investigate the suitability of electron- and positron-emitting radiolanthanides for radionuclide therapy with reference to dosimetry and production possibilities. METHODS Radiolanthanides with half-lives of 1 h to 15 d, stable or long-lived daughters, and limited photon emission were selected. The ratio of the absorbed dose rate to the tumors and the normal tissue (TND) was calculated for different tumor sizes and compared with the TND values for (90)Y and (131)I. The normal tissue and tumors were simulated as an ellipsoid and spheres, respectively. The TND values depend on the physical parameters of the radionuclides, the tumor size, and the ratio between the activity concentrations in the tumor and normal tissue (TNC). RESULTS (153)Sm, (161)Tb, (169)Er, (175)Yb, and (177)Lu had the highest TND values for most of the tumor sizes studied. Among these radiolanthanides, (161)Tb and (177)Lu are the only ones that can be produced no-carrier-added (nca) and with high specific activities. The Auger-electron emitters (161)Ho and (167)Tm had high TND values for tumors weighing less than 1 mg and can be produced nca and with high specific activities. (142)Pr, (145)Pr, and (166)Ho showed TND values similar to those of (90)Y. (166)Ho is generator produced and can be obtained nca and at high specific activities. (143)Pr, (149)Pm, (150)Eu, (159)Gd, (165)Dy, (176m)Lu, and (179)Lu had higher TND values than did (90)Y for all tumor sizes studied, but only (149)Pm can be produced nca and at high specific activities. The other electron-emitting radiolanthanides and the positron-emitting radiolanthanides showed low TND values for all tumor sizes because of the high photon contribution. CONCLUSION The low-energy electron emitters (161)Tb, (177)Lu, and (167)Tm might be suitable for radionuclide therapy. The Auger-electron emitter (161)Ho might not be suitable for systemic radionuclide therapy (intravenous injection) because of its short half-life but might be suitable for local therapy (e.g., in body cavities). If higher electron energy is needed, (149)Pm or (166)Ho might be suitable for radionuclide therapy.
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Affiliation(s)
- Helena Uusijärvi
- Department of Radiation Physics, Göteborg University, Sahlgrenska University Hospital, Göteborg, Sweden.
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Abstract
This tutorial review will highlight recent advances in medicinal inorganic chemistry pertaining to the use of multifunctional ligands for enhanced effect. Ligands that adequately bind metal ions and also include specific targeting features are gaining in popularity due to their ability to enhance the efficacy of less complicated metal-based agents. Moving beyond the traditional view of ligands modifying reactivity, stabilizing specific oxidation states, and contributing to substitution inertness, we will discuss recent work involving metal complexes with multifunctional ligands that target specific tissues, membrane receptors, or endogenous molecules, including enzymes.
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Affiliation(s)
- Tim Storr
- Medicinal Inorganic Chemistry Group, Chemistry Department, The University of British Columbia, Vancouver, BC, CanadaV6T-1Z1.
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13
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Abstract
The biological properties of the lanthanides, based on their similarity to calcium, have stimulated research into their therapeutic application. Historical medical uses of the lanthanides and recent advances and successes will be described in the context of the biological chemistry of lanthanides, including a new metal-based drug, lanthanum carbonate, which has recently been approved as a phosphate binder for the treatment of hyperphosphatemia. This tutorial review will be of interest to those working on metal-based drugs, including inorganic chemists, and biological scientists.
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Affiliation(s)
- Simon P Fricker
- AnorMED Inc., #200 20353 64th Avenue, Langley, BC, V2Z 1A6, Canada.
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Zielhuis SW, Nijsen JFW, Seppenwoolde JH, Zonnenberg BA, Bakker CJG, Hennink WE, van Rijk PP, van het Schip AD. Lanthanide bearing microparticulate systems for multi-modality imaging and targeted therapy of cancer. ACTA ACUST UNITED AC 2005; 5:303-13. [PMID: 15992356 DOI: 10.2174/1568011053765958] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
The rapid developments of high-resolution imaging techniques are offering unique possibilities for the guidance and follow up of recently developed sophisticated anticancer therapies. Advanced biodegradable drug delivery systems, e.g. based on liposomes and polymeric nanoparticles or microparticles, are very effective tools to carry these anticancer agents to their site of action. Elements from the group of lanthanides have very interesting physical characteristics for imaging applications and are the ideal candidates to be co-loaded either in their non-radioactive or radioactive form into these advanced drug delivery systems because of the following reasons: Firstly, they can be used both as magnetic resonance imaging (MRI) and computed tomography (CT) contrast agents and for single photon emission computed tomography (SPECT). Secondly, they can be used for radionuclide therapies which, importantly, can be monitored with SPECT, CT, and MRI. Thirdly, they have a relatively low toxicity, especially when they are complexed to ligands. This review gives a survey of the currently developed lanthanide-loaded microparticulate systems that are under investigation for cancer imaging and/or cancer therapy.
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Affiliation(s)
- S W Zielhuis
- Department of Nuclear Medicine, University Medical Center, 3584 CX Utrecht, The Netherlands.
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15
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Kostova I, Kostova R, Momekov G, Trendafilova N, Karaivanova M. Antineoplastic activity of new lanthanide (cerium, lanthanum and neodymium) complex compounds. J Trace Elem Med Biol 2005; 18:219-26. [PMID: 15966570 DOI: 10.1016/j.jtemb.2005.01.002] [Citation(s) in RCA: 38] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Cerium (III), lanthanum (III) and neodymium (III) complexes with 3,3'-benzylidenebis[4-hydroxycoumarin] were synthesized in view of their application as cytotoxic agents. The complexes were characterized by different physicochemical methods: elemental analysis, mass spectrometry, 1H NMR, 13C NMR and IR spectroscopy. The spectra of the complexes were interpreted on the basis of comparison with the spectrum of the free ligand. The vibrational analysis showed that in the complexes the ligand coordinated to the metal ion through both deprotonated hydroxyl groups; however, participation of the carbonyl groups in the coordination to the metal ion was also suggested. The evaluation of the cytotoxic activity of the novel lanthanide complexes on HL-60 myeloid cells revealed that they are potent cytotoxic agents. The cerium complex was found to exhibit superior activity in comparison to the lanthanum and neodymium coordination compounds, the latter being the least active. Our data give us reason to conclude that the newly synthesized lanthanide complexes should be submitted to further more detailed pharmacological and toxicological evaluation.
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Affiliation(s)
- Irena Kostova
- Department of Chemistry, Faculty of Pharmacy, Medical University, 2 Dunav St., Sofia 1000, Bulgaria.
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16
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Bünzli JCG. Luminescent lanthanide probes as diagnostic and therapeutic tools. Met Ions Biol Syst 2004; 42:39-75. [PMID: 15206099] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 04/29/2023]
Affiliation(s)
- Jean-Claude G Bünzli
- Swiss Federal Institute of Technology, Institute of Molecular and Biological Chemistry, Laboratory of Lanthanide Supramolecular Chemistry, BCH 1402, CH-1015 Lausanne, Switzerland.
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Rösch F, Forssell-Aronsson E. Radiolanthanides in nuclear medicine. Met Ions Biol Syst 2004; 42:77-108. [PMID: 15206100] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 04/29/2023]
Affiliation(s)
- Frank Rösch
- Institute for Nuclear Chemistry, Johannes Gutenberg-University Mainz, Fritz-Strassmann-Weg 2, D-55128 Mainz, Germany.
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18
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Wang K, Cheng Y, Yang X, Li R. Cell responses to lanthanides and potential pharmacological actions of lanthanides. Met Ions Biol Syst 2003; 40:707-51. [PMID: 12723163] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 03/02/2023]
Affiliation(s)
- Kui Wang
- Department of Chemical Biology, School of Pharmaceutical Sciences, Peking University, Beijing 100083, P.R. China
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