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Li J, Zheng H, Vega AA, Beverly LJ, Gray BD, Pak KY, Ng CK. Evaluation of 2-deoxy-2-[ 18F]fluoro glucaric acid (FGA) as a potential PET tracer for tumor necrosis. Appl Radiat Isot 2023; 200:110988. [PMID: 37633190 DOI: 10.1016/j.apradiso.2023.110988] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2023] [Revised: 08/14/2023] [Accepted: 08/14/2023] [Indexed: 08/28/2023]
Abstract
In this study, [18F]FGA was obtained by a one-step oxidation of [18F]FDG using sodium hypochlorite. The conversion from [18F]FDG to [18F]FGA was confirmed by HPLC to be over 95% using the optimal condition. A549-luciferase NSCLC xenografted mice was used for in vivo PET imaging. Prior to either saline or cisplatin treatment, there was no significant difference on tumor uptake of [18F]FGA in all mice, with an average uptake of (0.21 ± 0.16) %ID/g. After treatment, tumor uptake of [18F]FGA was not changed significantly for saline-treated mice, whereas the tumor uptake of [18F]FGA drastically increased for cisplatin-treated mice, with an average uptake of (1.63 ± 0.16) %ID/g. The ratio of tumor uptake between cisplatin-treated vs. saline-treated mice was 7.8 ± 0.2 within one week of treatment. PET imaging results were consistent with ex vivo biodistribution data. BLI showed significant light intensity suppression after treatment, indicating necrosis. Our data indicate that [18F]FGA uptake was related to tumor necrosis. [18F]FGA PET/CT imaging might be a useful tool to monitor treatment response to chemotherapy by imaging tumor necrosis.
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Affiliation(s)
- Junling Li
- Department of Radiology, University of Louisville, Louisville, KY, USA
| | - Huaiyu Zheng
- Department of Radiology, University of Louisville, Louisville, KY, USA
| | - Alexis A Vega
- Department of Biochemistry and Molecular Genetics, University of Louisville, Louisville, KY, USA; Brown Cancer Center, University of Louisville School of Medicine, 505 S. Hancock St. Rm 204, Louisville, KY, 40202, USA
| | - Levi J Beverly
- Department of Medicine and James Graham Brown Cancer Center, University of Louisville, Louisville, KY, USA
| | - Brian D Gray
- Molecular Targeting Technologies, Inc., West Chester, PA, USA
| | - Koon Y Pak
- Molecular Targeting Technologies, Inc., West Chester, PA, USA
| | - Chin K Ng
- Department of Radiology, University of Louisville, Louisville, KY, USA.
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2
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Jiang C, Zhang J, Hu S, Gao M, Zhang D, Yao N, Jin Q. Target identification and occupancy measurement of necrosis avid agent rhein using bioorthogonal chemistry-enabling probes. RSC Adv 2022; 12:16491-16495. [PMID: 35754899 PMCID: PMC9169075 DOI: 10.1039/d2ra02844a] [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: 05/05/2022] [Accepted: 05/27/2022] [Indexed: 12/03/2022] Open
Abstract
Necrosis is an important biomarker, which only occurs in pathological situations. Tracking of necrosis avid agents is of crucial importance toward understanding their mechanisms. Herein, we developed a modular probe strategy based on bioorthogonal copper-free click chemistry. Structural modification of rhein with transcyclooctene (TCO) led to the identification of rhein-TCO2 as the most active probe with specific necrosis affinity. In a systematic evaluation, the colocalization of rhein-TCO2 in the nucleus (exposed DNA and rRNA) of necrotic cells was observed. This work provides a foundation for the development of target-identified of rhein compounds, and binding to exposed DNA and rRNA may be an important target of rhein compounds in necrotic cells. Structural modification of rhein with transcyclooctene (TCO) led to the identification of rhein-TCO2 as the most active probe with specific necrosis affinity.![]()
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Affiliation(s)
- Cuihua Jiang
- Affiliated Hospital of Integrated Traditional Chinese and Western Medicine, Nanjing University of Chinese Medicine Nanjing 210028 Jiangsu China .,Laboratories of Translational Medicine, Jiangsu Province Academy of Traditional Chinese Medicine Nanjing 210028 Jiangsu China
| | - Jian Zhang
- Affiliated Hospital of Integrated Traditional Chinese and Western Medicine, Nanjing University of Chinese Medicine Nanjing 210028 Jiangsu China .,Laboratories of Translational Medicine, Jiangsu Province Academy of Traditional Chinese Medicine Nanjing 210028 Jiangsu China
| | - Shihe Hu
- Affiliated Hospital of Integrated Traditional Chinese and Western Medicine, Nanjing University of Chinese Medicine Nanjing 210028 Jiangsu China .,Laboratories of Translational Medicine, Jiangsu Province Academy of Traditional Chinese Medicine Nanjing 210028 Jiangsu China
| | - Meng Gao
- Affiliated Hospital of Integrated Traditional Chinese and Western Medicine, Nanjing University of Chinese Medicine Nanjing 210028 Jiangsu China .,Laboratories of Translational Medicine, Jiangsu Province Academy of Traditional Chinese Medicine Nanjing 210028 Jiangsu China
| | - Dongjian Zhang
- Affiliated Hospital of Integrated Traditional Chinese and Western Medicine, Nanjing University of Chinese Medicine Nanjing 210028 Jiangsu China .,Laboratories of Translational Medicine, Jiangsu Province Academy of Traditional Chinese Medicine Nanjing 210028 Jiangsu China
| | - Nan Yao
- Affiliated Hospital of Integrated Traditional Chinese and Western Medicine, Nanjing University of Chinese Medicine Nanjing 210028 Jiangsu China .,Laboratories of Translational Medicine, Jiangsu Province Academy of Traditional Chinese Medicine Nanjing 210028 Jiangsu China
| | - Qiaomei Jin
- Affiliated Hospital of Integrated Traditional Chinese and Western Medicine, Nanjing University of Chinese Medicine Nanjing 210028 Jiangsu China .,Laboratories of Translational Medicine, Jiangsu Province Academy of Traditional Chinese Medicine Nanjing 210028 Jiangsu China
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3
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Untiring Pursuit for Glucarate-Based Molecular Imaging Probes. Mol Imaging Biol 2020; 23:310-322. [PMID: 33206335 DOI: 10.1007/s11307-020-01564-y] [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: 08/11/2020] [Revised: 10/08/2020] [Accepted: 11/05/2020] [Indexed: 10/23/2022]
Abstract
Glucarate, a physiologic end-product of the D-glucuronic acid pathway in mammals, is a six-carbon dicarboxylic acid with a wide range of uses. Glucarate-based molecular imaging probes including [99mTc]glucarate and [18F]glucarate have been developed and demonstrated to have infarct/necrosis-avid and/or tumor-seeking properties, showing potential applications in early detection of myocardial infarction, evaluation of tissue viability, monitoring of therapeutic effectiveness, and noninvasive imaging of certain tumors including drug-resistant ones. The mechanism by which [99mTc]glucarate localizes in acute necrotic tissues has been demonstrated to be largely attributable to its binding to the positively charged histones, which become accessible after the disruption of the cell and nuclear membranes as a result of irreversible damage, while the tumor-seeking mechanism of [99mTc]glucarate has been found to be closely related to glucose transporter 5 expression. Moreover, the recently developed [18F]glucarate provides a new alternative probe for positron emission tomography imaging and may have potential advantages over [99mTc]glucarate. In this review, we present the untiring pursuit for glucarate-based molecular imaging probes as infarct/necrosis-avid agent and/or tumor-seeking agent. Moreover, the limitations and the prospects for future research of glucarate-based molecular probes are also discussed.
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Zhang L, Zhang D, Gao M, Jin Q, Jiang C, Wu T, Feng Y, Ni Y, Yin Z, Zhang J. Design and Evaluation of Rhein-Based MRI Contrast Agents for Visualization of Tumor Necrosis Induced by Combretastatin A-4 Disodium Phosphate. Mol Imaging Biol 2020; 23:220-229. [PMID: 33048270 DOI: 10.1007/s11307-020-01551-3] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2020] [Revised: 09/28/2020] [Accepted: 10/01/2020] [Indexed: 12/24/2022]
Abstract
PURPOSE Visualization of tumor necrosis can determine tumor response to therapy. Our previous study showed that the rhein-based magnetic resonance imaging (MRI) contrast agent with alkane linker (GdL2) could clearly image tumor necrosis. However, its water solubility and cell safety needed to be improved. Herein, three rhein-based MRI agents with ether or lysine linkers were designed. PROCEDURES Three rhein-based MRI agents were synthesized with a tetracarbon ether (GdP1), a hexacarbon ether (GdP2), and a lysine (GdP3) linker, respectively. Their octanol-water partition coefficients (log P) and cytotoxicity were determined. Necrosis avidity of the leading agent was explored on HepG2 cells and ischemia reperfusion-induced liver necrosis (IRLN) rats by MRI. The effect of visualization of tumor necrosis was tested on nude mice with W256 tumor treated by combretastatin-A4 phosphate (CA4P). DNA binding assays were applied to evaluate the possible necrosis-avidity mechanism of the leading agent. RESULTS The log P of three agents (- 1.66 ± 0.09, - 1.74 ± 0.01, - 1.95 ± 0.01) decreased when compared with GdL2, indicating higher water solubility. GdP1 not only presented lower cytotoxicity and good necrotic affinity in vitro and in vivo, but also can be fast excreted by renal. According to MRI results of tumor, distinct visualization of tumor necrosis can be discernible from 3 to 4.5 h post-injection of GdP1. In DNA-binding assays, the fluorescence quenching constant KSV (1.00 × 104 M-1) and the ultraviolet binding constant Kb (1.11 × 104 M-1) suggested that GdP1 may bind to DNA through intercalation. CONCLUSION GdP1 may serve as a potential candidate for early evaluation of tumor response to CA4P treatment.
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Affiliation(s)
- Libang Zhang
- Affiliated Hospital of Integrated Traditional Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing, 210028, Jiangsu Province, People's Republic of China
- Laboratories of Translational Medicine, Jiangsu Province Academy of Traditional Chinese Medicine, No.100, Shizi Street, Hongshan Road, Qixia District, Nanjing, 210028, Jiangsu Province, People's Republic of China
- Department of TCMs Pharmaceuticals, School of TCM & State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing, 210009, China
| | - Dongjian Zhang
- Affiliated Hospital of Integrated Traditional Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing, 210028, Jiangsu Province, People's Republic of China
- Laboratories of Translational Medicine, Jiangsu Province Academy of Traditional Chinese Medicine, No.100, Shizi Street, Hongshan Road, Qixia District, Nanjing, 210028, Jiangsu Province, People's Republic of China
| | - Meng Gao
- Affiliated Hospital of Integrated Traditional Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing, 210028, Jiangsu Province, People's Republic of China
- Laboratories of Translational Medicine, Jiangsu Province Academy of Traditional Chinese Medicine, No.100, Shizi Street, Hongshan Road, Qixia District, Nanjing, 210028, Jiangsu Province, People's Republic of China
| | - Qiaomei Jin
- Affiliated Hospital of Integrated Traditional Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing, 210028, Jiangsu Province, People's Republic of China
- Laboratories of Translational Medicine, Jiangsu Province Academy of Traditional Chinese Medicine, No.100, Shizi Street, Hongshan Road, Qixia District, Nanjing, 210028, Jiangsu Province, People's Republic of China
| | - Cuihua Jiang
- Affiliated Hospital of Integrated Traditional Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing, 210028, Jiangsu Province, People's Republic of China
- Laboratories of Translational Medicine, Jiangsu Province Academy of Traditional Chinese Medicine, No.100, Shizi Street, Hongshan Road, Qixia District, Nanjing, 210028, Jiangsu Province, People's Republic of China
| | - Tianze Wu
- Affiliated Hospital of Integrated Traditional Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing, 210028, Jiangsu Province, People's Republic of China
- Laboratories of Translational Medicine, Jiangsu Province Academy of Traditional Chinese Medicine, No.100, Shizi Street, Hongshan Road, Qixia District, Nanjing, 210028, Jiangsu Province, People's Republic of China
- Department of TCMs Pharmaceuticals, School of TCM & State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing, 210009, China
| | - Yuanbo Feng
- Theragnostic Laboratory, Campus Gasthuisberg, KU Leuven, 3000, Leuven, Belgium
| | - Yicheng Ni
- Theragnostic Laboratory, Campus Gasthuisberg, KU Leuven, 3000, Leuven, Belgium
| | - Zhiqi Yin
- Department of TCMs Pharmaceuticals, School of TCM & State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing, 210009, China
| | - Jian Zhang
- Affiliated Hospital of Integrated Traditional Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing, 210028, Jiangsu Province, People's Republic of China.
- Laboratories of Translational Medicine, Jiangsu Province Academy of Traditional Chinese Medicine, No.100, Shizi Street, Hongshan Road, Qixia District, Nanjing, 210028, Jiangsu Province, People's Republic of China.
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Zhang D, Jin Q, Jiang C, Gao M, Ni Y, Zhang J. Imaging Cell Death: Focus on Early Evaluation of Tumor Response to Therapy. Bioconjug Chem 2020; 31:1025-1051. [PMID: 32150392 DOI: 10.1021/acs.bioconjchem.0c00119] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Cell death plays a prominent role in the treatment of cancer, because most anticancer therapies act by the induction of cell death including apoptosis, necrosis, and other pathways of cell death. Imaging cell death helps to identify treatment responders from nonresponders and thus enables patient-tailored therapy, which will increase the likelihood of treatment response and ultimately lead to improved patient survival. By taking advantage of molecular probes that specifically target the biomarkers/biochemical processes of cell death, cell death imaging can be successfully achieved. In recent years, with the increased understanding of the molecular mechanism of cell death, a variety of well-defined biomarkers/biochemical processes of cell death have been identified. By targeting these established cell death biomarkers/biochemical processes, a set of molecular imaging probes have been developed and evaluated for early monitoring treatment response in tumors. In this review, we mainly present the recent advances in identifying useful biomarkers/biochemical processes for both apoptosis and necrosis imaging and in developing molecular imaging probes targeting these biomarkers/biochemical processes, with a focus on their application in early evaluation of tumor response to therapy.
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Affiliation(s)
- Dongjian Zhang
- Affiliated Hospital of Integrated Traditional Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing 210028, P.R. China.,Laboratories of Translational Medicine, Jiangsu Province Academy of Traditional Chinese Medicine, Nanjing 210028, P.R. China
| | - Qiaomei Jin
- Affiliated Hospital of Integrated Traditional Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing 210028, P.R. China.,Laboratories of Translational Medicine, Jiangsu Province Academy of Traditional Chinese Medicine, Nanjing 210028, P.R. China
| | - Cuihua Jiang
- Affiliated Hospital of Integrated Traditional Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing 210028, P.R. China.,Laboratories of Translational Medicine, Jiangsu Province Academy of Traditional Chinese Medicine, Nanjing 210028, P.R. China
| | - Meng Gao
- Affiliated Hospital of Integrated Traditional Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing 210028, P.R. China.,Laboratories of Translational Medicine, Jiangsu Province Academy of Traditional Chinese Medicine, Nanjing 210028, P.R. China
| | - Yicheng Ni
- Theragnostic Laboratory, Campus Gasthuisberg, KU Leuven, Leuven 3000, Belgium
| | - Jian Zhang
- Affiliated Hospital of Integrated Traditional Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing 210028, P.R. China.,Laboratories of Translational Medicine, Jiangsu Province Academy of Traditional Chinese Medicine, Nanjing 210028, P.R. China
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6
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Synthesis and Evaluation of Diindole-Based MRI Contrast Agent for In Vivo Visualization of Necrosis. Mol Imaging Biol 2019; 22:593-601. [PMID: 31332630 DOI: 10.1007/s11307-019-01399-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Abstract
PURPOSE Noninvasive imaging of cell necrosis can provide an early evaluation of tumor response to treatments. Here, we aimed to design and synthesize a novel diindole-based magnetic resonance imaging (MRI) contrast agent (Gd-bis-DOTA-diindolylmethane, Gd-DIM) for assessment of tumor response to therapy at an early stage. PROCEDURES The oil-water partition coefficient (Log P) and relaxivity of Gd-DIM were determined in vitro. Then, its necrosis avidity was examined in necrotic cells in vitro and in rat models with microwave ablation-induced muscle necrosis (MAMN) and ischemia reperfusion-induced liver necrosis (IRLN) by MRI. Visualization of tumor necrosis induced by combretastatin A-4 disodium phosphate (CA4P) was evaluated in rats bearing W256 orthotopic liver tumor by MRI. Finally, DNA binding assay was performed to explore the possible necrosis-avidity mechanism of Gd-DIM. RESULTS The Log P value and T1 relaxivity of Gd-DIM is - 2.15 ± 0.01 and 6.61 mM-1 s-1, respectively. Gd-DIM showed predominant necrosis avidity in vitro and in vivo. Clear visualization of the tumor necrosis induced by CA4P was achieved at 60 min after administration of Gd-DIM. DNA binding study indicated that the necrosis-avidity mechanism of Gd-DIM may be due to its binding to exposed DNA in necrotic cells. CONCLUSION Gd-DIM may serve as a promising necrosis-avid MRI contrast agent for early assessment of tumor response to therapy.
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7
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Zhang D, Gao M, Jin Q, Ni Y, Zhang J. Updated developments on molecular imaging and therapeutic strategies directed against necrosis. Acta Pharm Sin B 2019; 9:455-468. [PMID: 31193829 PMCID: PMC6543088 DOI: 10.1016/j.apsb.2019.02.002] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2018] [Revised: 12/07/2018] [Accepted: 01/07/2019] [Indexed: 12/15/2022] Open
Abstract
Cell death plays important roles in living organisms and is a hallmark of numerous disorders such as cardiovascular diseases, sepsis and acute pancreatitis. Moreover, cell death also plays a pivotal role in the treatment of certain diseases, for example, cancer. Noninvasive visualization of cell death contributes to gained insight into diseases, development of individualized treatment plans, evaluation of treatment responses, and prediction of patient prognosis. On the other hand, cell death can also be targeted for the treatment of diseases. Although there are many ways for a cell to die, only apoptosis and necrosis have been extensively studied in terms of cell death related theranostics. This review mainly focuses on molecular imaging and therapeutic strategies directed against necrosis. Necrosis shares common morphological characteristics including the rupture of cell membrane integrity and release of cellular contents, which provide potential biomarkers for visualization of necrosis and necrosis targeted therapy. In the present review, we summarize the updated joint efforts to develop molecular imaging probes and therapeutic strategies targeting the biomarkers exposed by necrotic cells. Moreover, we also discuss the challenges in developing necrosis imaging probes and propose several biomarkers of necrosis that deserve to be explored in future imaging and therapy research.
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Affiliation(s)
- Dongjian Zhang
- Affiliated Hospital of Integrated Traditional Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing 210028, China
- Laboratories of Translational Medicine, Jiangsu Province Academy of Traditional Chinese Medicine, Nanjing 210028, China
| | - Meng Gao
- Affiliated Hospital of Integrated Traditional Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing 210028, China
- Laboratories of Translational Medicine, Jiangsu Province Academy of Traditional Chinese Medicine, Nanjing 210028, China
| | - Qiaomei Jin
- Affiliated Hospital of Integrated Traditional Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing 210028, China
- Laboratories of Translational Medicine, Jiangsu Province Academy of Traditional Chinese Medicine, Nanjing 210028, China
| | - Yicheng Ni
- Affiliated Hospital of Integrated Traditional Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing 210028, China
- Laboratories of Translational Medicine, Jiangsu Province Academy of Traditional Chinese Medicine, Nanjing 210028, China
- Theragnostic Laboratory, Campus Gasthuisberg, KU Leuven, Leuven 3000, Belgium
| | - Jian Zhang
- Affiliated Hospital of Integrated Traditional Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing 210028, China
- Laboratories of Translational Medicine, Jiangsu Province Academy of Traditional Chinese Medicine, Nanjing 210028, China
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8
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Jin Q, Zhao J, Gao M, Feng Y, Liu W, Yin Z, Li T, Song S, Ni Y, Zhang J, Huang D, Zhang D. Evaluation of Necrosis Avidity and Potential for Rapid Imaging of Necrotic Myocardium of Radioiodinated Hypocrellins. Mol Imaging Biol 2019; 20:551-561. [PMID: 29305726 DOI: 10.1007/s11307-017-1157-8] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
PURPOSE Rapid noninvasive delineation of necrotic myocardium in ischemic regions is very critical for risk stratification and clinical decision-making but still challenging. This study aimed to evaluate the necrosis avidity of radioiodinated hypocrellins and its potential for rapidly imaging necrotic myocardium. PROCEDURES The aggregation constants of four natural hypocrellins were analyzed by UV/vis spectroscopy. Then, they were radiolabeled with iodine-131 by iodogen oxidation method. Necrosis avidity of iodine-131-labeled hypocrellins was evaluated in rat models with reperfused liver infarction and muscular necrosis by gamma counting, autoradiography, and histopathology. Their pharmacokinetic properties were examined in normal rats. The potential of iodine-131-labeled hypomycin A ([131I]HD) for early imaging of necrotic myocardium was explored in rat models with reperfused myocardial infarction. Finally, the possible mechanism of necrosis avidity was investigated by in vitro DNA binding and in vivo blocking experiments. RESULTS The aggregation constants of four hypocrellins were all much smaller than that of hypericin, a most studied necrosis avid agent. The radiochemical purities of the four radiotracers after purification were all greater than 95 %, and more than 90 % of tracers remained intact after incubation in rat serum for 24 h. Among the four tracers, [131I]HD exhibited the highest necrotic to viable tissue uptake ratio and the fastest blood clearance. The necrotic myocardium could be clearly visualized 4 h after injection of [131I]HD by single-photon emission computed tomography/X-ray computed tomography (SPECT/CT). DNA binding studies suggested that HD could bind to DNA through intercalation. Blocking studies demonstrated that uptake of [131I]HD in necrotic muscle could be significantly blocked by excess unlabeled HD and ethidium bromide with 67 and 60 % decline at 6 h after coinjection, respectively. CONCLUSIONS [131I]HD can be used to rapidly visualize necrotic myocardium. The necrosis avidity mechanism of [131I]HD may be attributed to its binding to the exposed DNA in necrotic tissues.
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Affiliation(s)
- Qiaomei Jin
- Affiliated Hospital of Integrated Traditional Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing, 210028, Jiangsu, People's Republic of China.,Laboratories of Translational Medicine, Jiangsu Province Academy of Traditional Chinese Medicine, Nanjing, 210028, Jiangsu, People's Republic of China
| | - Juanzhi Zhao
- Affiliated Hospital of Integrated Traditional Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing, 210028, Jiangsu, People's Republic of China.,Laboratories of Translational Medicine, Jiangsu Province Academy of Traditional Chinese Medicine, Nanjing, 210028, Jiangsu, People's Republic of China.,Department of Pharmacy, The Fifth Affiliated Hospital of Sun Yat-sen University, Zhuhai, 519000, Guangdong, People's Republic of China
| | - Meng Gao
- Affiliated Hospital of Integrated Traditional Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing, 210028, Jiangsu, People's Republic of China.,Laboratories of Translational Medicine, Jiangsu Province Academy of Traditional Chinese Medicine, Nanjing, 210028, Jiangsu, People's Republic of China
| | - Yuanbo Feng
- Affiliated Hospital of Integrated Traditional Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing, 210028, Jiangsu, People's Republic of China.,Laboratories of Translational Medicine, Jiangsu Province Academy of Traditional Chinese Medicine, Nanjing, 210028, Jiangsu, People's Republic of China
| | - Wei Liu
- Departments of Nuclear Medicine, The First Affiliated Hospital of Nanjing Medical University, Nanjing, 210029, Jiangsu, People's Republic of China
| | - Zhiqi Yin
- Department of Natural Medicinal Chemistry and State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing, 210009, Jiangsu, People's Republic of China
| | - Tiannv Li
- Departments of Nuclear Medicine, The First Affiliated Hospital of Nanjing Medical University, Nanjing, 210029, Jiangsu, People's Republic of China
| | - Shaoli Song
- Department of Nuclear Medicine, Renji Hospital, Shanghai Jiaotong University, School of Medicine, Shanghai, 200127, People's Republic of China
| | - Yicheng Ni
- Affiliated Hospital of Integrated Traditional Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing, 210028, Jiangsu, People's Republic of China.,Laboratories of Translational Medicine, Jiangsu Province Academy of Traditional Chinese Medicine, Nanjing, 210028, Jiangsu, People's Republic of China.,Theragnostic Laboratory, KU Leuven, Campus Gasthuisberg, 3000, Leuven, Belgium
| | - Jian Zhang
- Affiliated Hospital of Integrated Traditional Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing, 210028, Jiangsu, People's Republic of China.,Laboratories of Translational Medicine, Jiangsu Province Academy of Traditional Chinese Medicine, Nanjing, 210028, Jiangsu, People's Republic of China
| | - Dejian Huang
- Affiliated Hospital of Integrated Traditional Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing, 210028, Jiangsu, People's Republic of China. .,Laboratories of Translational Medicine, Jiangsu Province Academy of Traditional Chinese Medicine, Nanjing, 210028, Jiangsu, People's Republic of China.
| | - Dongjian Zhang
- Affiliated Hospital of Integrated Traditional Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing, 210028, Jiangsu, People's Republic of China. .,Laboratories of Translational Medicine, Jiangsu Province Academy of Traditional Chinese Medicine, Nanjing, 210028, Jiangsu, People's Republic of China.
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9
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Bian L, Gao M, Zhang D, Ji A, Su C, Duan X, Luo Q, Huang D, Feng Y, Ni Y, Yin Z, Jin Q, Zhang J. Synthesis and Biological Evaluation of Rhein-Based MRI Contrast Agents for in Vivo Visualization of Necrosis. Anal Chem 2018; 90:13249-13256. [DOI: 10.1021/acs.analchem.8b01868] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Affiliation(s)
- Li Bian
- Afliated Hospital of Integrated Traditional Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing 210028, Jiangsu Province, P. R. China
- Laboratories of Translational Medicine, Jiangsu Province Academy of Traditional Chinese Medicine, Nanjing 210028, Jiangsu Province, P. R. China
| | - Meng Gao
- Laboratories of Translational Medicine, Jiangsu Province Academy of Traditional Chinese Medicine, Nanjing 210028, Jiangsu Province, P. R. China
| | - Dongjian Zhang
- Laboratories of Translational Medicine, Jiangsu Province Academy of Traditional Chinese Medicine, Nanjing 210028, Jiangsu Province, P. R. China
| | - Aiyan Ji
- Laboratories of Translational Medicine, Jiangsu Province Academy of Traditional Chinese Medicine, Nanjing 210028, Jiangsu Province, P. R. China
- Department of Natural Medicinal Chemistry & State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing 210009, Jiangsu Province, P. R. China
| | - Chang Su
- Laboratories of Translational Medicine, Jiangsu Province Academy of Traditional Chinese Medicine, Nanjing 210028, Jiangsu Province, P. R. China
- Department of Natural Medicinal Chemistry & State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing 210009, Jiangsu Province, P. R. China
| | - Xinghua Duan
- Laboratories of Translational Medicine, Jiangsu Province Academy of Traditional Chinese Medicine, Nanjing 210028, Jiangsu Province, P. R. China
- Department of Natural Medicinal Chemistry & State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing 210009, Jiangsu Province, P. R. China
| | - Qi Luo
- Laboratories of Translational Medicine, Jiangsu Province Academy of Traditional Chinese Medicine, Nanjing 210028, Jiangsu Province, P. R. China
- Department of Natural Medicinal Chemistry & State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing 210009, Jiangsu Province, P. R. China
| | - Dejian Huang
- Afliated Hospital of Integrated Traditional Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing 210028, Jiangsu Province, P. R. China
- Laboratories of Translational Medicine, Jiangsu Province Academy of Traditional Chinese Medicine, Nanjing 210028, Jiangsu Province, P. R. China
| | - Yuanbo Feng
- Afliated Hospital of Integrated Traditional Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing 210028, Jiangsu Province, P. R. China
- Laboratories of Translational Medicine, Jiangsu Province Academy of Traditional Chinese Medicine, Nanjing 210028, Jiangsu Province, P. R. China
| | - Yicheng Ni
- Laboratories of Translational Medicine, Jiangsu Province Academy of Traditional Chinese Medicine, Nanjing 210028, Jiangsu Province, P. R. China
- Theragnostic Laboratory, Campus Gasthuisberg, KU Leuven, 3000 Leuven, Belgium
| | - Zhiqi Yin
- Department of Natural Medicinal Chemistry & State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing 210009, Jiangsu Province, P. R. China
| | - Qiaomei Jin
- Laboratories of Translational Medicine, Jiangsu Province Academy of Traditional Chinese Medicine, Nanjing 210028, Jiangsu Province, P. R. China
| | - Jian Zhang
- Laboratories of Translational Medicine, Jiangsu Province Academy of Traditional Chinese Medicine, Nanjing 210028, Jiangsu Province, P. R. China
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10
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SPECT Imaging of Treatment-Related Tumor Necrosis Using Technetium-99m-Labeled Rhein. Mol Imaging Biol 2018; 21:660-668. [DOI: 10.1007/s11307-018-1285-9] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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11
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Li L, Zhang D, Yang S, Song S, Li J, Wang Q, Wang C, Feng Y, Ni Y, Zhang J, Liu W, Yin Z. Effects of Glycosylation on Biodistribution and Imaging Quality of Necrotic Myocardium of Iodine-131-Labeled Sennidins. Mol Imaging Biol 2017; 18:877-886. [PMID: 27172937 DOI: 10.1007/s11307-016-0961-x] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
PURPOSE Sennidins are necrosis-avid agents for noninvasive assessment of myocardial viability which is important for patients with myocardial infarction (MI). However, high accumulation of radioactivity in the liver interferes with the assessment of myocardial viability. In this study, we compared sennidins with sennosides to investigate the effects of glycosylation on biodistribution and imaging quality of sennidins. PROCEDURES Sennidin A (SA), sennidin B (SB), sennoside A (SSA), and sennoside B (SSB) were labeled with I-131. In vitro binding to necrotic cells and hepatic cells and in vivo biodistribution in rats with muscular necrosis were evaluated by gamma counting, autoradiography, and histopathology. Single photon emission computed tomography/computed tomography (SPECT/CT) images were acquired in rats with acute MI. RESULTS The uptake of [131I]SA, [131I]SSA, [131I]SB, and [131I]SSB in necrotic cells was significantly higher than that in viable cells (p < 0.05). Hepatic cells uptake of [131I]SSA and [131I]SSB were 7-fold and 10-fold lower than that of corresponding [131I]SA and [131I]SB, respectively. The biodistribution data showed that the radioactivities in the liver and feces were significantly lower with [131I]sennosides than those with [131I]sennidins (p < 0.01). Autoradiography showed preferential accumulation of these four radiotracers in necrotic areas of muscle, confirmed by histopathology. SPECT/CT imaging studies showed better image quality with [131I]SSB than with [131I]SB due to less liver interference. CONCLUSIONS Glycosylation significantly decreased the liver uptake and improved the quality of cardiac imaging. [131I]SSB may serve as a promising necrosis-avid agent for noninvasive assessment of myocardial viability.
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Affiliation(s)
- Ling Li
- Department of Natural Medicinal Chemistry & Jiangsu Key Laboratory of Drug Screening, China Pharmaceutical University, No.24, Tongjiaxiang, Gulou District, Nanjing, 210009, Jiangsu Province, People's Republic of China.,Affiliated Hospital of Integrated Traditional Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing, 210028, Jiangsu Province, People's Republic of China.,Laboratories of Translational Medicine, Jiangsu Province Academy of Traditional Chinese Medicine, No.100, Shizi Street, Hongshan Road, Nanjing, 210028, Jiangsu Province, People's Republic of China
| | - Dongjian Zhang
- Affiliated Hospital of Integrated Traditional Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing, 210028, Jiangsu Province, People's Republic of China.,Laboratories of Translational Medicine, Jiangsu Province Academy of Traditional Chinese Medicine, No.100, Shizi Street, Hongshan Road, Nanjing, 210028, Jiangsu Province, People's Republic of China
| | - Shengwei Yang
- Affiliated Hospital of Integrated Traditional Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing, 210028, Jiangsu Province, People's Republic of China.,Laboratories of Translational Medicine, Jiangsu Province Academy of Traditional Chinese Medicine, No.100, Shizi Street, Hongshan Road, Nanjing, 210028, Jiangsu Province, People's Republic of China
| | - Shaoli Song
- Department of Nuclear Medicine, Renji Hospital, Shanghai Jiaotong University, School of Medicine, Shanghai, 200127, People's Republic of China
| | - Jindian Li
- Department of Natural Medicinal Chemistry & Jiangsu Key Laboratory of Drug Screening, China Pharmaceutical University, No.24, Tongjiaxiang, Gulou District, Nanjing, 210009, Jiangsu Province, People's Republic of China.,Affiliated Hospital of Integrated Traditional Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing, 210028, Jiangsu Province, People's Republic of China.,Laboratories of Translational Medicine, Jiangsu Province Academy of Traditional Chinese Medicine, No.100, Shizi Street, Hongshan Road, Nanjing, 210028, Jiangsu Province, People's Republic of China
| | - Qin Wang
- Affiliated Hospital of Integrated Traditional Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing, 210028, Jiangsu Province, People's Republic of China.,Laboratories of Translational Medicine, Jiangsu Province Academy of Traditional Chinese Medicine, No.100, Shizi Street, Hongshan Road, Nanjing, 210028, Jiangsu Province, People's Republic of China
| | - Cong Wang
- Department of Natural Medicinal Chemistry & Jiangsu Key Laboratory of Drug Screening, China Pharmaceutical University, No.24, Tongjiaxiang, Gulou District, Nanjing, 210009, Jiangsu Province, People's Republic of China.,Affiliated Hospital of Integrated Traditional Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing, 210028, Jiangsu Province, People's Republic of China.,Laboratories of Translational Medicine, Jiangsu Province Academy of Traditional Chinese Medicine, No.100, Shizi Street, Hongshan Road, Nanjing, 210028, Jiangsu Province, People's Republic of China
| | - Yuanbo Feng
- Affiliated Hospital of Integrated Traditional Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing, 210028, Jiangsu Province, People's Republic of China.,Laboratories of Translational Medicine, Jiangsu Province Academy of Traditional Chinese Medicine, No.100, Shizi Street, Hongshan Road, Nanjing, 210028, Jiangsu Province, People's Republic of China.,Theragnostic Laboratory, Campus Gasthuisberg, KU Leuven, 3000, Leuven, Belgium
| | - Yicheng Ni
- Affiliated Hospital of Integrated Traditional Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing, 210028, Jiangsu Province, People's Republic of China.,Laboratories of Translational Medicine, Jiangsu Province Academy of Traditional Chinese Medicine, No.100, Shizi Street, Hongshan Road, Nanjing, 210028, Jiangsu Province, People's Republic of China.,Theragnostic Laboratory, Campus Gasthuisberg, KU Leuven, 3000, Leuven, Belgium
| | - Jian Zhang
- Affiliated Hospital of Integrated Traditional Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing, 210028, Jiangsu Province, People's Republic of China. .,Laboratories of Translational Medicine, Jiangsu Province Academy of Traditional Chinese Medicine, No.100, Shizi Street, Hongshan Road, Nanjing, 210028, Jiangsu Province, People's Republic of China.
| | - Wei Liu
- Department of Nuclear Medicine, The First Affiliated Hospital of Nanjing Medical University, No.300, Guangzhou Road, Nanjing, 210029, Jiangsu Province, People's Republic of China.
| | - Zhiqi Yin
- Department of Natural Medicinal Chemistry & Jiangsu Key Laboratory of Drug Screening, China Pharmaceutical University, No.24, Tongjiaxiang, Gulou District, Nanjing, 210009, Jiangsu Province, People's Republic of China.
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12
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Wang C, Jin Q, Yang S, Zhang D, Wang Q, Li J, Song S, Sun Z, Ni Y, Zhang J, Yin Z. Synthesis and Evaluation of 131I-Skyrin as a Necrosis Avid Agent for Potential Targeted Radionuclide Therapy of Solid Tumors. Mol Pharm 2015; 13:180-189. [PMID: 26647005 DOI: 10.1021/acs.molpharmaceut.5b00630] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
An innovative anticancer approach targeted to necrotic tissues, which serves as a noncancerous and generic anchor, may present a breakthrough. Necrosis avid agents with a flat conjugate aromatic structure selectively accumulate in necrotic tissues, but they easily form aggregates that undesirably distribute to normal tissues. In this study, skyrin, a dianthraquinone compound with smaller and distorted π-cores and thus decreased aggregates as compared with hypericin (Hyp), was designed to target necrosis for tumor therapy. Aggregation studies of skyrin by UV/vis spectroscopy showed a smaller self-association constant with skyrin than with Hyp. Skyrin was labeled by iodine-131 with a radiochemical purity of 98% and exhibited good stability in rat serum for 72 h. In vitro cell uptake studies showed significant difference in the uptake of 131I-skyrin by necrotic cells compared to normal cells (P < 0.05). Compared in rats with liver and muscle necrosis, radiobiodistribution, whole-body autoradiography, and SPECT/CT studies revealed higher accumulation of 131I-skyrin in necrotic liver and muscle (p < 0.05), but lower uptake in normal organs, relative to that of 131I-Hyp. In mice bearing H22 tumor xenografts treated with combretastatin A4 disodium phosphate, the highest uptake of 131I-skyrin was found in necrotic tumor. In conclusion, 131I-skyrin appears a promising agent with reduced accumulation in nontarget organs for targeted radionuclide therapy of solid tumors.
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Affiliation(s)
- Cong Wang
- Department of Natural Medicinal Chemistry & State Key Laboratory of Natural Medicines, China Pharmaceutical University , Nanjing 210009, Jiangsu Province, P. R. China.,Laboratories of Translational Medicine, Jiangsu Province Academy of Traditional Chinese Medicine , Nanjing 210028, Jiangsu Province, P. R. China
| | - Qiaomei Jin
- Laboratories of Translational Medicine, Jiangsu Province Academy of Traditional Chinese Medicine , Nanjing 210028, Jiangsu Province, P. R. China
| | - Shengwei Yang
- Laboratories of Translational Medicine, Jiangsu Province Academy of Traditional Chinese Medicine , Nanjing 210028, Jiangsu Province, P. R. China
| | - Dongjian Zhang
- Laboratories of Translational Medicine, Jiangsu Province Academy of Traditional Chinese Medicine , Nanjing 210028, Jiangsu Province, P. R. China
| | - Qin Wang
- Laboratories of Translational Medicine, Jiangsu Province Academy of Traditional Chinese Medicine , Nanjing 210028, Jiangsu Province, P. R. China.,College of Pharmacy, Nanjing University of Chinese Medicine , Nanjing 210023, Jiangsu Province, P. R. China
| | - Jindian Li
- Department of Natural Medicinal Chemistry & State Key Laboratory of Natural Medicines, China Pharmaceutical University , Nanjing 210009, Jiangsu Province, P. R. China.,Laboratories of Translational Medicine, Jiangsu Province Academy of Traditional Chinese Medicine , Nanjing 210028, Jiangsu Province, P. R. China
| | - Shaoli Song
- Department of Nuclear Medicine, Renji Hospital, Shanghai Jiaotong University, School of Medicine , Shanghai 200127, P. R. China
| | - Ziping Sun
- Radiation Medical Institute, Shandong Academy of Medical Sciences , Jinan 250062, Shandong Province, P. R. China
| | - Yicheng Ni
- Theragnostic Laboratory, Campus Gasthuisberg, KU Leuven , 3000 Leuven, Belgium
| | - Jian Zhang
- Laboratories of Translational Medicine, Jiangsu Province Academy of Traditional Chinese Medicine , Nanjing 210028, Jiangsu Province, P. R. China
| | - Zhiqi Yin
- Department of Natural Medicinal Chemistry & State Key Laboratory of Natural Medicines, China Pharmaceutical University , Nanjing 210009, Jiangsu Province, P. R. China
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13
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Li J, Zhang J, Yang S, Jiang C, Zhang D, Jin Q, Wang Q, Wang C, Ni Y, Yin Z, Song S. Synthesis and Preclinical Evaluation of Radioiodinated Hypericin Dicarboxylic Acid as a Necrosis Avid Agent in Rat Models of Induced Hepatic, Muscular, and Myocardial Necroses. Mol Pharm 2015; 13:232-40. [PMID: 26568406 DOI: 10.1021/acs.molpharmaceut.5b00686] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Myocardial infarction (MI) leads to substantial morbidity and mortality around the world. Accurate assessment of myocardial viability is essential to assist therapies and improve patient outcomes. (131)I-hypericin dicarboxylic acid ((131)I-HDA) was synthesized and evaluated as a potential diagnostic agent for earlier assessment of myocardium viability compared to its preceding counterpart (131)I-hypericin ((131)I-Hyp) with strong hydrophobic property, long plasma half-life, and high uptake in mononuclear phagocyte system (MPS). Herein, HDA was synthesized and characterized, and self-aggregation constant Kα was analyzed by spectrophotometry. Plasma half-life was determined in healthy rats by γ-counting. (131)I-HDA and (131)I-Hyp were prepared with iodogen as oxidant. In vitro necrosis avidity of (131)I-HDA and (131)I-Hyp was evaluated in necrotic cells induced by hyperthermia. Biodistribution was determined in rat models of induced necrosis using γ-counting, autoradiography, and histopathology. Earlier imaging of necrotic myocardium to assess myocardial viability was performed in rat models of reperfused myocardium infarction using single photon emission computed tomography/computed tomography (SPECT/CT). As a result, the self-aggregation constant Kα of HDA was lower than that of Hyp (105602 vs 194644, p < 0.01). (131)I-HDA displayed a shorter blood half-life compared with (131)I-Hyp (9.21 vs 31.20 h, p < 0.01). The necrotic-viable ratio in cells was higher with (131)I-HDA relative to that with (131)I-Hyp (5.48 vs 4.63, p < 0.05). (131)I-HDA showed a higher necrotic-viable myocardium ratio (7.32 vs 3.20, p < 0.01), necrotic myocardium-blood ratio (3.34 vs 1.74, p < 0.05), and necrotic myocardium-lung ratio (3.09 vs 0.61, p < 0.01) compared with (131)I-Hyp. (131)I-HDA achieved imaging of necrotic myocardium at 6 h postinjection (p.i.) with SPECT/CT, earlier than what (131)I-Hyp did. Therefore, (131)I-HDA may serve as a promising necrosis-avid diagnostic agent for earlier imaging of necrotic myocardium compared with (131)I-Hyp. This may support further development of radiopharmaceuticals ((123)I and (99m)Tc) based on HDA for SPECT/CT of necrotic myocardium.
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Affiliation(s)
- Jindian Li
- Department of Natural Medicinal Chemistry & State Key Laboratory of Natural Medicines, China Pharmaceutical University , Nanjing 210009, Jiangsu Province, P. R. China.,Laboratories of Translational Medicine, Jiangsu Province Academy of Traditional Chinese Medicine , Nanjing 210028, Jiangsu Province, P. R. China
| | - Jian Zhang
- Laboratories of Translational Medicine, Jiangsu Province Academy of Traditional Chinese Medicine , Nanjing 210028, Jiangsu Province, P. R. China
| | - Shengwei Yang
- Laboratories of Translational Medicine, Jiangsu Province Academy of Traditional Chinese Medicine , Nanjing 210028, Jiangsu Province, P. R. China
| | - Cuihua Jiang
- Laboratories of Translational Medicine, Jiangsu Province Academy of Traditional Chinese Medicine , Nanjing 210028, Jiangsu Province, P. R. China
| | - DongJian Zhang
- Laboratories of Translational Medicine, Jiangsu Province Academy of Traditional Chinese Medicine , Nanjing 210028, Jiangsu Province, P. R. China
| | - Qiaomei Jin
- Laboratories of Translational Medicine, Jiangsu Province Academy of Traditional Chinese Medicine , Nanjing 210028, Jiangsu Province, P. R. China
| | - Qin Wang
- Laboratories of Translational Medicine, Jiangsu Province Academy of Traditional Chinese Medicine , Nanjing 210028, Jiangsu Province, P. R. China.,College of Pharmacy, Nanjing University of Chinese Medicine , Nanjing 210023, Jiangsu Province, P. R. China
| | - Cong Wang
- Department of Natural Medicinal Chemistry & State Key Laboratory of Natural Medicines, China Pharmaceutical University , Nanjing 210009, Jiangsu Province, P. R. China.,Laboratories of Translational Medicine, Jiangsu Province Academy of Traditional Chinese Medicine , Nanjing 210028, Jiangsu Province, P. R. China
| | - Yicheng Ni
- Laboratories of Translational Medicine, Jiangsu Province Academy of Traditional Chinese Medicine , Nanjing 210028, Jiangsu Province, P. R. China.,Theragnostic Laboratory, Campus Gasthuisberg, KU Leuven , 3000 Leuven, Belgium
| | - Zhiqi Yin
- Department of Natural Medicinal Chemistry & State Key Laboratory of Natural Medicines, China Pharmaceutical University , Nanjing 210009, Jiangsu Province, P. R. China
| | - Shaoli Song
- Department of Nuclear Medicine, Renji Hospital, Shanghai Jiaotong University, School of Medicine , Shanghai 200127, P. R. China
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14
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Synthesis and biological evaluation of 68Ga-bis-DOTA-PA as a potential agent for positron emission tomography imaging of necrosis. Nucl Med Biol 2013; 40:816-22. [DOI: 10.1016/j.nucmedbio.2013.04.011] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2012] [Revised: 04/03/2013] [Accepted: 04/23/2013] [Indexed: 12/12/2022]
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15
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Synthesis and biological evaluation of 68Ga labeled bis-DOTA-3,3'-(benzylidene)-bis-(1H-indole-2-carbohydrazide) as a PET tracer for in vivo visualization of necrosis. Bioorg Med Chem Lett 2013; 23:3216-20. [PMID: 23635829 DOI: 10.1016/j.bmcl.2013.03.127] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2013] [Revised: 03/26/2013] [Accepted: 03/29/2013] [Indexed: 11/21/2022]
Abstract
The aim of the present study was to develop a (68)Ga labeled bis-DOTA derivative of benzylidene-bis-indole and compare the in vivo stability and biodistribution with that of the previously reported bis-DTPA derivate for in vivo imaging of necrosis using PET. Uptake of the tracer was evaluated in a mouse model of Fas-mediated hepatic apoptosis in correlation with histochemical stainings. The novel (68)Ga labeled tracer showed an improved in vivo stability and could therefore be used for selective non-invasive imaging of necrotic cell death using PET.
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16
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Isnardi V, Clotagatide A, Bruel S, Perek N. Is [(99m)Tc]glucarate uptake mediated by fructose transporter GLUT-5? Nucl Med Biol 2013; 39:1226-31. [PMID: 23084044 DOI: 10.1016/j.nucmedbio.2012.07.001] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2011] [Revised: 05/22/2012] [Accepted: 07/08/2012] [Indexed: 11/17/2022]
Abstract
PURPOSE There is growing interest in the ability of [(99m)Tc]Glucarate ([(99m)Tc]GLA) to accumulate in viable tumor cells. Recent vivo studies suggest that [(99m)Tc]Glucarate could be helpful for tumor detection. Fructose transport is thought to be implicated. It is clearly established that facilitated fructose transport in tumor cells is related to the GLUT-5 transporter. This study therefore investigated whether [(99m)Tc]GLA uptake is mediated by GLUT-5 transporter. METHODS Different tumor cell lines were used. Modulation of GLUT-5 expression was assessed with and without antisense oligonucleotides directed against GLUT-5. GLUT-5 expression was assessed by indirect cell ELISA. To correlate GLUT-5 expression with tracer accumulation, [(99m)Tc]GLA uptake was determined after antisense treatment. A competition with fructose was also monitored. RESULTS Inhibition of GLUT-5 expression by antisense oligonucleotides directed against GLUT-5 was effective after 24 h. An optimal of 10μM antisense oligonucleotides directed against GLUT-5 produced a 30%-40% decrease in protein expression. Modulation of [(99m)Tc]GLA uptake was monitored either by use of specific antisense oligonucleotides or by competition with fructose. Both of them produced a significant decrease of [(99m)Tc]GLA accumulation in all tested cell lines. CONCLUSION Our results clearly demonstrate that [(99m)Tc]GLA uptake is related to GLUT-5 transporter expression and transport. In tumor imaging, [(99m)Tc]GLA may be a useful tool for non-invasive detection of malignant tumors expressing high levels of GLUT-5 transporter as, for example, breast cancers.
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Affiliation(s)
- Vanina Isnardi
- Laboratory of Biophysics, IFRESIS Faculty of Medicine University of Saint Etienne-Lyon, France 42023.
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17
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Ribeiro Morais G, Falconer RA, Santos I. Carbohydrate-Based Molecules for Molecular Imaging in Nuclear Medicine. European J Org Chem 2013. [DOI: 10.1002/ejoc.201201457] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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18
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Choudhury PS, Savio E, Solanki KK, Alonso O, Gupta A, Gambini JP, Doval D, Sharma P, Dondi M. (99m)Tc glucarate as a potential radiopharmaceutical agent for assessment of tumor viability: from bench to the bed side. World J Nucl Med 2013; 11:47-56. [PMID: 23372437 PMCID: PMC3555394 DOI: 10.4103/1450-1147.103405] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022] Open
Abstract
Several radiotracers have been used for assessing cell death, whether by necrosis or apoptosis. 99mTc glucarate, which has initially been reported to be concentrating/accumulating in myocardial infarction or zones of cerebral injury, has also shown some tumor-seeking properties in a few preliminary studies. Under International Atomic Energy Agency (IAEA)'s coordinated research program, we report here the standardization, quality control, and clinical evaluation (detection, evaluation of response, and comparison with 18F Fluorodeoxyglucose) of this tracer in well-characterized lung cancer and head neck malignancies in a single-arm prospective observational study. Forty-seven patients (29 inoperable lung carcinoma and 18 head and neck malignancies) were prospectively enrolled and underwent 99mTc glucarate imaging [whole body planar and single-photon emission computed tomography of the region of interest] 4-5 hours after injection of 20 mCi of the radiopharmaceutical. Excellent 99mTc glucarate concentration was noted in the target lesion in lung cancer and head and neck malignancies. The sensitivity was found to be better in lung cancer. Avid concentration of tracer was seen in the metastatic sites. During response evaluation, the glucarate concentration correlated well with the clinical and other radiological findings. 99mTc glucarate showed avid concentration of tracer in the tumor, suggesting it to be a potential tumor imaging agent which can be used for detection and assessment of therapeutic response in malignancy.
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Affiliation(s)
- Partha S Choudhury
- Department of Nuclear Medicine, Rajiv Gandhi Cancer Institute and Research Center, New Delhi, India
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19
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Ruggiero A, Holland JP, Hudolin T, Shenker L, Koulova A, Bander NH, Lewis JS, Grimm J. Targeting the internal epitope of prostate-specific membrane antigen with 89Zr-7E11 immuno-PET. J Nucl Med 2011; 52:1608-15. [PMID: 21908391 DOI: 10.2967/jnumed.111.092098] [Citation(s) in RCA: 47] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023] Open
Abstract
UNLABELLED The potential of the positron-emitting (89)Zr has been recently investigated for the design of radioimmunoconjugates for immuno-PET. In this study, we report the preparation and in vivo evaluation of (89)Zr-desferrioxamine B (DFO)-7E11, a novel (89)Zr-labeled monoclonal antibody (mAb) construct for targeted imaging of prostate-specific membrane antigen (PSMA), a prototypical cell surface marker highly overexpressed in prostate cancer. The ability of (89)Zr-DFO-7E11 to delineate tumor response to therapy was also investigated, because it binds to the intracellular epitope of PSMA, which becomes available only on membrane disruption in dead or dying cells. METHODS 7E11 as a marker of dying cells was studied by flow cytometry and microscopy of cells after antiandrogen-, radio-, and chemotherapy in LNCaP and PC3 PSMA-positive cells. The in vivo behavior of (89)Zr-DFO-7E11 was characterized in mice bearing subcutaneous LNCaP (PSMA-positive) tumors by biodistribution studies and immuno-PET. The potential of assessing tumor response was evaluated in vivo after radiotherapy. RESULTS In vitro studies correlated 7E11 binding with markers of apoptosis (7-amino-actinomycin-D and caspase-3). In vivo biodistribution experiments revealed high, target-specific uptake of (89)Zr-DFO-7E11 in LNCaP tumors after 24 h (20.35 ± 7.50 percentage injected dose per gram [%ID/g]), 48 h (22.82 ± 3.58 %ID/g), 96 h (36.94 ± 6.27 %ID/g), and 120 h (25.23 ± 4.82 %ID/g). Excellent image contrast was observed with immuno-PET. 7E11 uptake was statistically increased in irradiated versus control tumor as measured by immuno-PET and biodistribution studies. Binding specificity was assessed by effective blocking studies at 48 h. CONCLUSION These findings suggest that (89)Zr-DFO-7E11 displays high tumor-to-background tissue contrast in immuno-PET and can be used as a tool to monitor and quantify, with high specificity, tumor response in PSMA-positive prostate cancer.
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Affiliation(s)
- Alessandro Ruggiero
- Department of Radiology, Memorial Sloan-Kettering Cancer Center, New York, New York, USA
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20
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Tabar EB, Lambrecht FY, Gunduz C, Yucebas M. In vitro evaluation of apoptosis detection by 99mTc-tetrofosmin in MCF-7 breast cancer cell line. J Radioanal Nucl Chem 2011. [DOI: 10.1007/s10967-011-1005-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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In vitro evaluation of apoptosis with 99mTc-glucoheptonate. Appl Radiat Isot 2011; 69:955-9. [PMID: 21459007 DOI: 10.1016/j.apradiso.2011.03.006] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2010] [Revised: 02/28/2011] [Accepted: 03/07/2011] [Indexed: 11/23/2022]
Abstract
Radiopharmaceuticals are useful to evaluate effectiveness of cancer treatments as well as diagnosis of diseases. (99m)Tc-Glucoheptonate has high sensitivity for imaging lung cancer tissues. In this study, the potential use of (99m)Tc-glucoheptonate for monitoring apoptosis related to chemotherapeutic agents is investigated in vitro using A549 lung cancer cell line. A decrease in (99m)Tc-glucoheptonate uptake ratio was observed depending on the level of apoptosis. (99m)Tc-glucoheptonate is found to be useful for the detection of apoptosis following treatment in A549 lung tumor cells.
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Evaluation of 99mTc-glucarate as a breast cancer imaging agent in a xenograft animal model. Nucl Med Biol 2011; 38:255-60. [DOI: 10.1016/j.nucmedbio.2010.08.002] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2010] [Revised: 06/24/2010] [Accepted: 08/17/2010] [Indexed: 11/19/2022]
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23
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Prinsen K, Li J, Vanbilloen H, Vermaelen P, Devos E, Mortelmans L, Bormans G, Ni Y, Verbruggen A. Development and evaluation of a 68Ga labeled pamoic acid derivative for in vivo visualization of necrosis using positron emission tomography. Bioorg Med Chem 2010; 18:5274-81. [PMID: 20580560 DOI: 10.1016/j.bmc.2010.05.050] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2010] [Revised: 05/15/2010] [Accepted: 05/18/2010] [Indexed: 01/05/2023]
Abstract
In this study, we labeled N,N'-bis(diethylenetriamine pentaacetic acid)-pamoic acid bis-hydrazide (bis-DTPA-PA) with the generator produced PET radionuclide gallium-68 and evaluated 68Ga-bis-DTPA-PA as a potential tracer for in vivo visualization of necrosis by positron emission tomography (PET). Radiolabeling was achieved with a decay-corrected radiochemical yield of 63%. Biodistribution and in vivo stability studies in normal mice showed that 68Ga-bis-DTPA-PA is cleared faster from normal tissue than the previously reported 99mTc(CO)3 complex with bis-DTPA-PA which on the other hand is more stable in vivo. 68Ga-bis-DTPA-PA showed a 3.5-5 times higher binding to necrotic tissue than to viable tissue as shown by in vitro autoradiography while no statistically significant increased hepatic uptake was found in a biodistribution study in a mouse model of hepatic apoptosis. Specificity and avidity for necrosis was further evaluated in rats with a reperfused partial liver infarction and ethanol induced muscular necrosis. Dynamic microPET images showed a fast and prolonged uptake of 68Ga-bis-DTPA-PA in necrotic tissue with in vivo and ex vivo images correlating well with histochemical stainings. With necrotic to viable tissue activity ratios of 8-15 on ex vivo autoradiography, depending on the necrosis model, 68Ga-bis-DTPA-PA showed a faster and higher uptake in necrotic tissue than the 99mTc(CO)3 analog. These results show that 68Ga-bis-DTPA-PA specifically binds to necrotic tissue and is a promising tracer for in vivo visualization of necrosis using PET.
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Affiliation(s)
- Kristof Prinsen
- Laboratory for Radiopharmacy, Faculty of Pharmaceutical Sciences, Katholieke Universiteit Leuven, and Department of Radiology, University Hospital Gasthuisberg, Herestraat 49, Box 821, BE-3000 Leuven, Belgium.
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De Saint-Hubert M, Prinsen K, Mortelmans L, Verbruggen A, Mottaghy FM. Molecular imaging of cell death. Methods 2009; 48:178-87. [DOI: 10.1016/j.ymeth.2009.03.022] [Citation(s) in RCA: 80] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2009] [Accepted: 03/28/2009] [Indexed: 11/15/2022] Open
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