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Ali M, Benfante V, Di Raimondo D, Laudicella R, Tuttolomondo A, Comelli A. A Review of Advances in Molecular Imaging of Rheumatoid Arthritis: From In Vitro to Clinic Applications Using Radiolabeled Targeting Vectors with Technetium-99m. Life (Basel) 2024; 14:751. [PMID: 38929734 PMCID: PMC11204982 DOI: 10.3390/life14060751] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2024] [Revised: 05/24/2024] [Accepted: 06/07/2024] [Indexed: 06/28/2024] Open
Abstract
Rheumatoid arthritis (RA) is a systemic autoimmune disorder caused by inflammation of cartilaginous diarthrodial joints that destroys joints and cartilage, resulting in synovitis and pannus formation. Timely detection and effective management of RA are pivotal for mitigating inflammatory arthritis consequences, potentially influencing disease progression. Nuclear medicine using radiolabeled targeted vectors presents a promising avenue for RA diagnosis and response to treatment assessment. Radiopharmaceutical such as technetium-99m (99mTc), combined with single photon emission computed tomography (SPECT) combined with CT (SPECT/CT), introduces a more refined diagnostic approach, enhancing accuracy through precise anatomical localization, representing a notable advancement in hybrid molecular imaging for RA evaluation. This comprehensive review discusses existing research, encompassing in vitro, in vivo, and clinical studies to explore the application of 99mTc radiolabeled targeting vectors with SPECT imaging for RA diagnosis. The purpose of this review is to highlight the potential of this strategy to enhance patient outcomes by improving the early detection and management of RA.
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Affiliation(s)
- Muhammad Ali
- Ri.MED Foundation, Via Bandiera 11, 90133 Palermo, Italy; (M.A.); (A.C.)
- Department of Health Promotion, Mother and Child Care, Internal Medicine and Medical Specialties, Molecular and Clinical Medicine, University of Palermo, 90127 Palermo, Italy; (D.D.R.); (A.T.)
| | - Viviana Benfante
- Ri.MED Foundation, Via Bandiera 11, 90133 Palermo, Italy; (M.A.); (A.C.)
- Department of Health Promotion, Mother and Child Care, Internal Medicine and Medical Specialties, Molecular and Clinical Medicine, University of Palermo, 90127 Palermo, Italy; (D.D.R.); (A.T.)
| | - Domenico Di Raimondo
- Department of Health Promotion, Mother and Child Care, Internal Medicine and Medical Specialties, Molecular and Clinical Medicine, University of Palermo, 90127 Palermo, Italy; (D.D.R.); (A.T.)
| | - Riccardo Laudicella
- Nuclear Medicine Unit, Department of Biomedical and Dental Sciences and Morpho-Functional Imaging, Messina University, 98124 Messina, Italy;
| | - Antonino Tuttolomondo
- Department of Health Promotion, Mother and Child Care, Internal Medicine and Medical Specialties, Molecular and Clinical Medicine, University of Palermo, 90127 Palermo, Italy; (D.D.R.); (A.T.)
| | - Albert Comelli
- Ri.MED Foundation, Via Bandiera 11, 90133 Palermo, Italy; (M.A.); (A.C.)
- NBFC—National Biodiversity Future Center, 90133 Palermo, Italy
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Wu Y, Wang Y, Yang Z, Teng C, Guo Z. Evaluation of 99m Tc-3PRGD 2 SPECT imaging on angiogenesis in animal models of lung cancer. Thorac Cancer 2022; 13:3025-3031. [PMID: 36104010 PMCID: PMC9626327 DOI: 10.1111/1759-7714.14655] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2022] [Revised: 08/29/2022] [Accepted: 08/30/2022] [Indexed: 01/07/2023] Open
Abstract
BACKGROUND The main purpose of the study was to evaluate the activity and selectivity of 99m Tc-3PRGD2 SPECT/CT and 18 F-FDG PET-CT in order to detect the neovascularization of A549 cell subcutaneously transplanted tumors, and clarify the relationship among tumor vasculature, hypoxia and cell proliferation in the tumor microenvironment. METHODS We established a subcutaneous tumor model, and used 99m Tc-3PRGD2 SPECT/CT and 18 F-FDG PET-CT when the average tumor size reached 0.3-0.5 cm3 . The mice were anesthetized and sacrificed and the tumors were completely removed for frozen section analysis. We subsequently evaluated the status of neovascularization, hypoxia, as well as cell proliferation via immunofluorescence staining (IF) by detecting CD31, pimonidazole and EdU, respectively. RESULTS There was a significant positive correlation (r = 0.88, p < 0.05) between the microvascular density (41.20 ± 18.60) and tumor to nontumor ratio (T/M), which was based on the value of 99m Tc-3PRGD2 (4.20 ± 1.33); meanwhile, no significance (r = -0.16, p > 0.05) was found between the T/M and hypoxic area (116.71 ± 9.36). Neovascular proliferation was particularly vigorous in the parenchymal region of the tumor, while the cells around the cavity were generally hypoxic. 99m TC-3PRGD2 SPECT/CT was more specific than 18 F-FDG PET-CT in detecting malignant tumors. CONCLUSION Both 99m TC-3PRGD2 and 18 F-FDG PET-CT can be used for the detection of malignant tumors, but the specificity and accuracy of 99m TC-3PRGD2 are better. The subcutaneous tumors showed a heterogeneous microenvironment as a result of neovascularization, a high proliferation rate of cancer cells as well as subsequent hypoxia, while most of the hypoxic areas appeared around the cavities of the vessels.
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Affiliation(s)
- Yongkun Wu
- Department of Thoracic SurgeryThe Affiliated Hospital of Inner Mongolia Medical UniversityHohhotChina
| | - Yufei Wang
- Department of Thoracic SurgeryThe Affiliated Hospital of Inner Mongolia Medical UniversityHohhotChina
| | - Zheng Yang
- Department of Thoracic SurgeryThe Affiliated Hospital of Inner Mongolia Medical UniversityHohhotChina
| | - Chuanhui Teng
- Department of Thoracic SurgeryThe Affiliated Hospital of Inner Mongolia Medical UniversityHohhotChina
| | - Zhanlin Guo
- Department of Thoracic SurgeryThe Affiliated Hospital of Inner Mongolia Medical UniversityHohhotChina
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Rizvi SFA, Ali A, Ahmad M, Mu S, Zhang H. Multifunctional self-assembled peptide nanoparticles for multimodal imaging-guided enhanced theranostic applications against glioblastoma multiforme. NANOSCALE ADVANCES 2021; 3:5959-5967. [PMID: 36132681 PMCID: PMC9419261 DOI: 10.1039/d1na00597a] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/02/2021] [Accepted: 08/20/2021] [Indexed: 05/15/2023]
Abstract
The synthesis of self-assembled peptide nanoparticles using a facile one-pot synthesis approach is gaining increasing attention, allowing therapy in combination with diagnosis. Their drawback is limited diagnostic potential, which can be improved after necessary modifications and efficacious functionalization. Herein, a cyclic heptapeptide having the Arg-Gly-Asp-Lys-Leu-Ala-Lys sequence was modified by conjugation of the ε-amino group of the terminal lysine residue with diethylenetriamine pentaacetic acid (DTPA) as a bifunctional chelating agent (BFC) for radiolabeling with a γ-emitting radionuclide (99mTc, half-life 6.01 h; energy 140 keV). Further, the free amino group of the middle lysine residue was successfully conjugated with near-infrared fluorescence (NIRF) dye Cyanine5.5 N-succinimidyl ester (Ex/Em = 670/701 nm) by a co-assembly method to form newly designed novel NIRF dye conjugated self-assembled peptide-DTPA (Cy5.5@SAPD) nanoparticles. The fluorescent nanoparticle formation was confirmed by using a fluorescence spectrophotometer (Ex/Em = 650/701 nm), and the transmission electron microscope (TEM) images showed a size of ∼ 40 nm with a lattice fringe distance of 0.294 nm. Cytotoxicity and confocal laser scanning microscopy (CLSM) studies showed that these nanoparticles possess a high affinity for the αvβ3-integrin receptor overexpressed on brain tumor glioblastoma with an EC50 = 20 μM. Moreover, these nanoparticles were observed to have potential to internalize into U87MG cells more prominently than HEK-293 cancer cells and induce apoptosis. The apoptosis assay showed 79.5% apoptotic cells after 24 h treatment of Cy5.5@SAPD nanoparticles. Additionally, these nanoparticles were also radiolabeled with 99mTc for the single photon emission computed tomography (SPECT) imaging study in tumor-bearing female Balb/c mice. The excellent imaging feature of Cy5.5@SAPD-99mTc nanoparticles as a multimodal (SPECT/NIRF) diagnostic probe, as well as noteworthy therapeutic potential was observed. The results suggested that our newly designed novel dual-targeting dual-imaging nanoparticles may serve as an admirable theranostic probe to treat brain tumor glioblastoma multiforme.
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Affiliation(s)
- Syed Faheem Askari Rizvi
- College of Chemistry and Chemical Engineering, Lanzhou University Lanzhou-730000 Gansu Province P. R. China +86-931-8912058 +86-931-8912582
- Department of Nuclear Medicine, Institute of Nuclear Medicine and Oncology (INMOL) Lahore-54000 Punjab Pakistan
| | - Azam Ali
- College of Chemistry and Chemical Engineering, Lanzhou University Lanzhou-730000 Gansu Province P. R. China +86-931-8912058 +86-931-8912582
| | - Munir Ahmad
- Department of Nuclear Medicine, Institute of Nuclear Medicine and Oncology (INMOL) Lahore-54000 Punjab Pakistan
| | - Shuai Mu
- College of Chemistry and Chemical Engineering, Lanzhou University Lanzhou-730000 Gansu Province P. R. China +86-931-8912058 +86-931-8912582
| | - Haixia Zhang
- College of Chemistry and Chemical Engineering, Lanzhou University Lanzhou-730000 Gansu Province P. R. China +86-931-8912058 +86-931-8912582
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Rizvi SFA, Shahid S, Mu S, Zhang H. Hybridization of tumor homing and mitochondria-targeting peptide domains to design novel dual-imaging self-assembled peptide nanoparticles for theranostic applications. Drug Deliv Transl Res 2021; 12:1774-1785. [PMID: 34535874 DOI: 10.1007/s13346-021-01066-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/09/2021] [Indexed: 01/05/2023]
Abstract
A novel hybridized dual-targeting peptide-based nanoprobe was successfully designed by using the cyclic heptapeptide. This peptide has Arg-Gly-Asp-Lys-Leu-Ala-Lys sequence, in which the RGD homing motif and KALK mitochondria-targeting motif were linked via amide bond. The designed peptide probe was further modified through covalent linkage to induce dual-imaging functionality, and self-assembled to form spherical nanoparticles. The novel Cy5.5-SAPD-99mTc nanoparticles were tested for in vitro cytotoxicity, cellular uptake, and apoptosis-inducing functionalities. The cellular internalization, enhanced cytotoxicity and selective receptor binding capabilities against U87MG cells, excellent dual-imaging potential, improved apoptosis-inducing feature by damaging mitochondria, and in vivo preclinical investigations suggested that our newly designed novel hybridized peptide-based dual-imaging nanoparticles may serve as an admirable theranostic probe to treat brain tumor glioblastoma multiforme. This study describes the development of dual-targeting self-assembled peptide nanoparticles followed by modifications using NIRF dye and radiolabeled with 99mTc for dual-imaging and enhanced therapeutic efficacy against brain tumor.
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Affiliation(s)
- Syed Faheem Askari Rizvi
- College of Chemistry and Chemical Engineering, Gansu Province, Lanzhou University, Lanzhou-730000, People's Republic of China
| | - Samiah Shahid
- Institute of Molecular Biology and Biotechnology (IMBB), The University of Lahore, Lahore-54000, Punjab, Pakistan
| | - Shuai Mu
- College of Chemistry and Chemical Engineering, Gansu Province, Lanzhou University, Lanzhou-730000, People's Republic of China
| | - Haixia Zhang
- College of Chemistry and Chemical Engineering, Gansu Province, Lanzhou University, Lanzhou-730000, People's Republic of China.
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Guillou A, Earley DF, Klingler S, Nisli E, Nüesch LJ, Fay R, Holland JP. The Influence of a Polyethylene Glycol Linker on the Metabolism and Pharmacokinetics of a 89Zr-Radiolabeled Antibody. Bioconjug Chem 2021; 32:1263-1275. [PMID: 34056896 DOI: 10.1021/acs.bioconjchem.1c00172] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Most experimental work in the space of bioconjugation chemistry focuses on using new methods to construct covalent bonds between a cargo molecule and a protein of interest such as a monoclonal antibody (mAb). Bond formation is important for generating new diagnostic tools, yet when these compounds advance to preclinical in vitro and in vivo studies, and later for translation to the clinic, understanding the fate of potential metabolites that arise from chemical or enzymatic degradation of the construct is important to obtain a full picture of the pharmacokinetic performance of a new compound. In the context of designing new bioconjugate methods for labeling antibodies with the positron-emitting radionuclide 89Zr, we previously developed a photochemical process for making 89Zr-mAbs. Experimental studies on [89Zr]ZrDFO-PEG3-azepin-mAb constructs revealed that incorporation of the tris-polyethylene glycol (PEG3) linker improved the aqueous phase solubility and radiochemical conversion. However, the use of a PEG3 linker also has an impact on the whole-body residence time of the construct, leading to a more rapid excretion of the 89Zr activity when compared with radiotracers that lack the PEG3 chain. In this work, we investigated the metabolic fate of eight possible metabolites that arise from the logical disconnection of [89Zr]ZrDFO-PEG3-azepin-mAb at bonds which are susceptible to chemical or enzymatic cleavage. Synthesis combined with 89Zr-radiolabeling, small-animal positron emission tomography imaging at multiple time points from 0 to 20 h, and measurements of the effective half-life for whole-body excretion are reported. The conclusions are that the use of a PEG3 linker is non-innocent in terms of its impact on enhancing the metabolism of [89Zr]ZrDFO-PEG3-azepin-mAbs. In most cases, degradation can produce metabolites that are rapidly eliminated from the body, thereby enhancing image contrast by reducing nonspecific accumulation and retention of 89Zr in background organs such as the liver, spleen, kidney, and bone.
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Affiliation(s)
- Amaury Guillou
- Department of Chemistry University of Zurich Winterthurerstrasse 190 CH-8057, Zurich, Switzerland
| | - Daniel F Earley
- Department of Chemistry University of Zurich Winterthurerstrasse 190 CH-8057, Zurich, Switzerland
| | - Simon Klingler
- Department of Chemistry University of Zurich Winterthurerstrasse 190 CH-8057, Zurich, Switzerland
| | - Eda Nisli
- Department of Chemistry University of Zurich Winterthurerstrasse 190 CH-8057, Zurich, Switzerland
| | - Laura J Nüesch
- Department of Chemistry University of Zurich Winterthurerstrasse 190 CH-8057, Zurich, Switzerland
| | - Rachael Fay
- Department of Chemistry University of Zurich Winterthurerstrasse 190 CH-8057, Zurich, Switzerland
| | - Jason P Holland
- Department of Chemistry University of Zurich Winterthurerstrasse 190 CH-8057, Zurich, Switzerland
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Advances in Development of Radiometal Labeled Amino Acid-Based Compounds for Cancer Imaging and Diagnostics. Pharmaceuticals (Basel) 2021; 14:ph14020167. [PMID: 33669938 PMCID: PMC7924883 DOI: 10.3390/ph14020167] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2021] [Revised: 02/13/2021] [Accepted: 02/18/2021] [Indexed: 02/08/2023] Open
Abstract
Radiolabeled biomolecules targeted at tumor-specific enzymes, receptors, and transporters in cancer cells represent an intensively investigated and promising class of molecular tools for the cancer diagnosis and therapy. High specificity of such biomolecules is a prerequisite for the treatment with a lower burden to normal cells and for the effective and targeted imaging and diagnosis. Undoubtedly, early detection is a key factor in efficient dealing with many severe tumor types. This review provides an overview and critical evaluation of novel approaches in the designing of target-specific probes labeled with metal radionuclides for the diagnosis of most common death-causing cancers, published mainly within the last three years. Advances are discussed such traditional peptide radiolabeling approaches, and click and nanoparticle chemistry. The progress of radiolabeled peptide based ligands as potential radiopharmaceuticals is illustrated via novel structure and application studies, showing how the molecular modifications reflect their binding selectivity to significant onco-receptors, toxicity, and, by that, practical utilization. The most impressive outputs in categories of newly developed structures, as well as imaging and diagnosis approaches, and the most intensively studied oncological diseases in this context, are emphasized in order to show future perspectives of radiometal labeled amino acid-based compounds in nuclear medicine.
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Mohtavinejad N, Shafiee Ardestani M, Khalaj A, Pormohammad A, Najafi R, Bitarafan-Rajabi A, Hajiramezanali M, Amanlou M. Application of radiolabeled peptides in tumor imaging and therapy. Life Sci 2020; 258:118206. [PMID: 32758623 DOI: 10.1016/j.lfs.2020.118206] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2020] [Revised: 07/24/2020] [Accepted: 08/01/2020] [Indexed: 12/18/2022]
Abstract
Scientists are looking for new therapies to cope with the rise in cancer worldwide. Since cancer cells overexpress peptide receptors and owing to small size, easy uptake by tumor cells, easy preparation, and with no toxicity, the use of radiolabeled peptides with high specificity and affinity for accurate imaging and therapy has attracted much attention. To develop an ideal imaging or treatment radiolabeled peptide, there are some aspects in the components of radiolabeled peptide including radionuclide, peptide, chelator, and spacer that should be considered. Some peptides, including somatostatin, RGD, neurotensin, bombesin, exendin, vasoactive intestinal peptide, and gastrin are currently under (pre)clinical investigations. Today, nanoparticles are suitable tools for targeting peptide for molecular imaging and therapy of tumors with low toxicity. This paper presents some essential aspects in developing a valuable radiolabeled peptide and some radiolabeled peptides with regard to their applications in tumor imaging and therapy in pre-clinical and clinical phases.
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Affiliation(s)
- Naser Mohtavinejad
- Department of Radiopharmacy, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran
| | - Mehdi Shafiee Ardestani
- Department of Radiopharmacy, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran.
| | - Ali Khalaj
- Department of Medicinal Chemistry, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran
| | - Ali Pormohammad
- Department of Microbiology, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Reza Najafi
- Department of Radioisotope, Nuclear Research Center, AOEI, Tehran, Iran
| | - Ahmad Bitarafan-Rajabi
- Echocardiography Research Center, Rajaie Cardiovascular Medical and Research Center, Iran University of Medical Sciences, Tehran, Iran; Cardiovascular Interventional Research Center, Rajaie Cardiovascular Medical and Research Center, Iran University of Medical Sciences, Tehran, Iran
| | - Maliheh Hajiramezanali
- Department of Radiopharmacy, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran
| | - Massoud Amanlou
- Department of Medicinal Chemistry, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran.
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Synthesis and biological evaluation of RGD conjugated with Ketoprofen/Naproxen and radiolabeled with [ 99mTc] via N4(GGAG) for α Vβ 3 integrin-targeted drug delivery. ACTA ACUST UNITED AC 2019; 28:87-96. [PMID: 31845157 DOI: 10.1007/s40199-019-00318-8] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2019] [Accepted: 11/14/2019] [Indexed: 01/03/2023]
Abstract
BACKGROUND Integrins are interesting targets in oncology. RGD sequence has high affinity for αVβ3 integrin receptors. Diagnostic/therapeutic agents can be selectively delivered into cancer cells overexpressing αVβ3 integrin by using RGD as a carrier. Nonsteroidal anti-inflammatory drugs (NSAIDs) have shown anticancer properties in in vitro and in vivo studies. The anti-cancer properties of NSAIDs occur though COX-2 inhibition. Regarding the anti-cancer properties of NSAIDs and overexpression of COX-2 enzyme in cancer cells, targeted delivery of NSAIDs into cancer cells to maximize their efficiency and minimize their side effects may gain increased clinical interest. OBJECTIVES In this study, RGD was conjugated to ketoprofen/Naproxen to selectively transfer these non-selective COX inhibitors into cancer cells. METHODS Keto/Nap-RGD-N4 peptides were synthesized based on solid phase fmoc peptide synthesis. Radiolabeling with [99mTc] via N4 (GGAG) ligand was done for biological evaluation. Affinity and specificity of Keto/Nap-RGD-N4 to integrin was determined using A2780, OVCAR-3, SKOV-3 and HT-1080 cell lines. Percentage of Intenalization was measured in A2780 cells. Biodistriburion was studied in normal and tumor model mice. RESULTS Radiolabeled compounds showed high affinity to cells expressing αVβ3 integrin in comparison to cells not expressing αVβ3. The affinity to A2780 was significantly higher than OVCAR-3 cells. The %internalization into A2780 cells was quite low. Compounds showed more than 50% inhibition on A2780 and OVCAR-3 cells, less than 10% on MCF-7 and HT-1080 cells and no cytotoxicity on fibroblast cells after 48 h incubation. Although uptake of radiolabeled compounds in tumor was high at 1 h post-injection, the tumor/blood ratio was less than 1.5 which made SPECT imaging impossible. CONCLUSION Provided that NSAID drugs are conjugated to RGD, there will be a selective delivery to target tissues as well as synergetic anti-tumor effects which reduce systemic doses and toxicity. Graphical abstract.
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68Ga-labeled dimeric and trimeric cyclic RGD peptides as potential PET radiotracers for imaging gliomas. Appl Radiat Isot 2019; 148:168-177. [DOI: 10.1016/j.apradiso.2019.03.033] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2018] [Revised: 02/08/2019] [Accepted: 03/25/2019] [Indexed: 01/04/2023]
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Rezazadeh F, Sadeghzadeh N. Tumor targeting with 99m Tc radiolabeled peptides: Clinical application and recent development. Chem Biol Drug Des 2018; 93:205-221. [PMID: 30299570 DOI: 10.1111/cbdd.13413] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2018] [Revised: 08/19/2018] [Accepted: 09/23/2018] [Indexed: 01/16/2023]
Abstract
Targeting overexpressed receptors on the cancer cells with radiolabeled peptides has become very important in nuclear oncology in the recent years. Peptides are small and have easy preparation and easy radiolabeling protocol with no side-effect and toxicity. These properties made them a valuable tool for tumor targeting. Based on the successful imaging of neuroendocrine tumors with 111 In-octreotide, other receptor-targeting peptides such as bombesin (BBN), cholecystokinin/gastrin analogues, neurotensin analogues, glucagon-like peptide-1, and RGD peptides are currently under development or undergoing clinical trials. The most frequently used radionuclides for tumor imaging are 99m Tc and 111 In for single-photon emission computed tomography and 68 Ga and 18 F for positron emission tomography imaging. This review presents some of the 99m Tc-labeled peptides, with regard to their potential for radionuclide imaging of tumors in clinical and preclinical application.
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Affiliation(s)
- Farzaneh Rezazadeh
- Department of Radiopharmacy, Faculty of Pharmacy, Mazandaran University of Medical Sciences, Sari, Iran.,Student Research Committee, Mazandaran University of Medical Sciences, Sari, Iran
| | - Nourollah Sadeghzadeh
- Department of Radiopharmacy, Faculty of Pharmacy, Mazandaran University of Medical Sciences, Sari, Iran
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Yan B, Fu T, Liu Y, Wei W, Dai H, Fang W, Wang F. 99mTc-3PRGD2 single-photon emission computed tomography/computed tomography for the diagnosis of choroidal melanoma: A preliminary STROBE-compliant observational study. Medicine (Baltimore) 2018; 97:e12441. [PMID: 30290601 PMCID: PMC6200507 DOI: 10.1097/md.0000000000012441] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/15/2023] Open
Abstract
Recent successes in monitoring and diagnosing a variety of tumors using Tc-PEG4-E[PEG4-c(RGDfK)]2 (Tc-3PRGD2) single-photon emission computed tomography (SPECT) imaging encouraged us to expand the use of this tracer. This case-control study aimed to evaluate the feasibility of Tc-3PRGD2 imaging for detecting choroidal melanoma (CM) and for monitoring tumor response to plaque brachytherapy (PB). Ten consecutive patients with CM who underwent Tc-3PRGD2 imaging before and 3 months after PB were reviewed. The tumor-to-occipital bone (T/O) and mirrored contralateral normal tissue-to-occipital bone (N/O) ratios were calculated by region of interest analysis at baseline and 3 months post-PB. T/O values were compared between patients with CM with comorbid secondary retinal detachment (RD) and those without RD. The relationship between T/O value and tumor volume was also investigated. Tc-3PRGD2 SPECT/CT showed focal uptake in CM. The mean T/O ratio before PB was 1.90 ± 1.26 and the mean N/O ratio was 0.80 ± 0.21 (P = .02). The Tc-3PRGD2 concentrations in 5 patients with CM with RD were higher (T/O = 2.69 ± 1.39) than in those without secondary RD (T/O = 1.10 ± 0.18) (P = .008). T/O ratios at 3 months post-PB were significantly lower than that at baseline (1.23 ± 0.59, P = .03). There was a linear relationship between T/O and tumor volume (y-hat = 0.028 + 0.003x, R = 0.768, P = .001). The 95% confidence interval for the (T/O)/volume ratio was 0.002 to 0.005. Tc-3PRGD2 imaging is a feasible modality for the diagnosis of CM. Furthermore, follow-up for at least 20 months after PB indicated that coanalysis of Tc-3PRGD2 imaging and tumor volume may provide a promising prognostic predictor in patients with CM.
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Affiliation(s)
- Bing Yan
- Beijing Key Laboratory of Nasal Diseases, Beijing Institute of Otolaryngology
- Department of Nuclear Medicine, Beijing Tongren Hospital, Capital Medical University, Beijing, China
| | - Tong Fu
- Institute of Diagnostic and Interventional Neuroradiology, Hannover Medical School, Hannover, Germany
- Department of Nuclear Medicine, Nanjing First Hospital, Nanjing Medical University, Nanjing
| | - Yueming Liu
- Beijing Tongren Eye Center, Beijing Tongren Hospital, Capital Medical University
| | - Wenbin Wei
- Beijing Tongren Eye Center, Beijing Tongren Hospital, Capital Medical University
| | - Haojie Dai
- Department of Nuclear Medicine, Beijing Tongren Hospital, Capital Medical University, Beijing, China
| | - Wei Fang
- Cardiovascular Institute & Fu Wai Hospital, Peking Union Medical College & Chinese Academy of Medical Sciences, Beijing, China
| | - Feng Wang
- Department of Nuclear Medicine, Nanjing First Hospital, Nanjing Medical University, Nanjing
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Taira Y, Uehara T, Tsuchiya M, Takemori H, Mizuno Y, Takahashi S, Suzuki H, Hanaoka H, Akizawa H, Arano Y. Coordination-Mediated Synthesis of Purification-Free Bivalent 99mTc-Labeled Probes for in Vivo Imaging of Saturable System. Bioconjug Chem 2018; 29:459-466. [PMID: 29320158 DOI: 10.1021/acs.bioconjchem.7b00788] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
In the synthesis of technetium-99m (99mTc) labeled target-specific ligands, the presence of a large excess of unlabeled ligands over 99mTc in the injectate hinders target accumulation of 99mTc-labeled ligands by competing for target molecules. To circumvent the problem, we recently developed a concept of the metal coordination-mediated multivalency, and proved the concept with a 99mTc-labeled trivalent compound [99mTc(CO)3(CN-RGD)3]+. In this study, D-penicillamine (Pen) was selected as a chelating molecule and a cyclic RGDfK peptide was conjugated to Pen via a hexanoic linkage (Pen-Ahx-c(RGDfK)). 99mTc complexation reaction, and the stability, integrin αvβ3 binding affinity, and biodistribution of the 99mTc-labeled probe were investigated to evaluate the applicability of the concept to bivalent probes. 99mTc-[Pen-Ahx-c(RGDfK)]2 was obtained over 95% radiochemical yields under low Pen-Ahx-c(RGDfK) concentration (50 μM). 99mTc-[Pen-Ahx-c(RGDfK)]2 showed approximately 10-times higher integrin αvβ3 binding affinity than the monovalent compounds, Pen-Ahx-c(RGDfK) and c(RGDyV). In biodistribution studies, the tumor accumulation of 99mTc-[Pen-Ahx-c(RGDfK)]2 was decreased to 77% and 43% of HPLC-purified (Pen-Ahx-c(RGDfK)-free) 99mTc-[Pen-Ahx-c(RGDfK)]2 by the presence of 5 nmol of unlabeled Pen-Ahx-c(RGDfK) and Re-[Pen-Ahx-c(RGDfK)]2, respectively. 99mTc-[Pen-Ahx-c(RGDfK)]2 provided tumor image without removing unlabeled ligand, while a 99mTc-labeled monovalent probe prepared from a monovalent ligand could not. These findings indicate the availability of the design concept to prepare 99mTc-labeled bivalent probes with a variety of 99mTc core and other metallic radionuclides of clinical relevance.
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Affiliation(s)
- Yuichiro Taira
- Graduate School of Pharmaceutical Sciences, Chiba University , Chiba, 260-8675, Japan
| | - Tomoya Uehara
- Graduate School of Pharmaceutical Sciences, Chiba University , Chiba, 260-8675, Japan
| | - Masao Tsuchiya
- Graduate School of Pharmaceutical Sciences, Chiba University , Chiba, 260-8675, Japan
| | - Hideaki Takemori
- Graduate School of Pharmaceutical Sciences, Chiba University , Chiba, 260-8675, Japan
| | - Yuki Mizuno
- Graduate School of Pharmaceutical Sciences, Chiba University , Chiba, 260-8675, Japan.,Showa Pharmaceutical University , Machida, 194-8543, Japan
| | - Shiori Takahashi
- Graduate School of Pharmaceutical Sciences, Chiba University , Chiba, 260-8675, Japan
| | - Hiroyuki Suzuki
- Graduate School of Pharmaceutical Sciences, Chiba University , Chiba, 260-8675, Japan
| | - Hirofumi Hanaoka
- Graduate School of Medicine, Gunma University , Maebashi, 371-8511, Japan
| | | | - Yasushi Arano
- Graduate School of Pharmaceutical Sciences, Chiba University , Chiba, 260-8675, Japan
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14
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de Oliveira ÉA, Faintuch BL, Seo D, Barbezan AB, Funari A, Targino RC, Moro AM. Radiolabeled GX1 Peptide for Tumor Angiogenesis Imaging. Appl Biochem Biotechnol 2018; 185:863-874. [DOI: 10.1007/s12010-018-2700-z] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2017] [Accepted: 01/15/2018] [Indexed: 02/06/2023]
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15
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Napp J, Stammes MA, Claussen J, Prevoo HA, Sier CF, Hoeben FJ, Robillard MS, Vahrmeijer AL, Devling T, Chan AB, de Geus-Oei LF, Alves F. Fluorescence- and multispectral optoacoustic imaging for an optimized detection of deeply located tumors in an orthotopic mouse model of pancreatic carcinoma. Int J Cancer 2018; 142:2118-2129. [DOI: 10.1002/ijc.31236] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2017] [Revised: 12/04/2017] [Accepted: 12/14/2017] [Indexed: 01/30/2023]
Affiliation(s)
- Joanna Napp
- Institute of Interventional and Diagnostic Radiology, University Medical Center Göttingen; Göttingen Lower Saxony Germany
- Clinic of Haematology and Medical Oncology; University Medical Center Göttingen; Göttingen Lower Saxony Germany
- Translational Molecular Imaging, Max-Planck-Institute of Experimental Medicine; Göttingen Lower Saxony Germany
| | - Marieke A. Stammes
- Percuros B.V., AE Enschede; The Netherlands
- Department of Radiology; Leiden University Medical Center; RC Leiden The Netherlands
| | - Jing Claussen
- iThera Medical GmbH, Zielstattstrasse; Munich Germany
| | | | | | | | - Marc S. Robillard
- Tagworks Pharmaceuticals, Geert Grooteplein Zuid 10; GA Nijmegen The Netherlands
| | | | - Tim Devling
- iThera Medical GmbH, Zielstattstrasse; Munich Germany
| | | | - Lioe-Fee de Geus-Oei
- Department of Radiology; Leiden University Medical Center; RC Leiden The Netherlands
- Biomedical Photonic Imaging Group, MIRA Institute, University of Twente; AE Enschede The Netherlands
| | - Frauke Alves
- Institute of Interventional and Diagnostic Radiology, University Medical Center Göttingen; Göttingen Lower Saxony Germany
- Clinic of Haematology and Medical Oncology; University Medical Center Göttingen; Göttingen Lower Saxony Germany
- Translational Molecular Imaging, Max-Planck-Institute of Experimental Medicine; Göttingen Lower Saxony Germany
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16
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Sun F, Yang G, Zhang Q, Xue Z, Gu C, Chen Z, Yan B, Feng Y, Wang Z, Meng S. The self-assembly of monosubstituted BODIPY and HFBI-RGD. RSC Adv 2018; 8:21472-21479. [PMID: 35539954 PMCID: PMC9080923 DOI: 10.1039/c8ra03687j] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2018] [Accepted: 05/25/2018] [Indexed: 11/21/2022] Open
Abstract
A novel fluorescent probe was constructed by the self-assembly of monosubstituted BODIPY and a novel targeted hydrophobin named hereafter as HFBI-RGD. Optical measurements and theoretical calculations confirmed that the spectral properties of the probe were greatly influenced by the BODIPY structure, the appropriate volume of BODIPY and the cavity of HFBI-RGD. The experiments in vivo and ex vivo demonstrated that the probe had excellent ability for tumor labelling. A novel fluorescent probe was constructed by the self-assembly of monosubstituted BODIPY and a novel targeted hydrophobin named hereafter as HFBI-RGD.![]()
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Affiliation(s)
- Fengnan Sun
- School of Chemical Engineering and Technology
- Tianjin University
- Tianjin 300050
- China
| | - Guang Yang
- School of Chemical Engineering and Technology
- Tianjin University
- Tianjin 300050
- China
- Collaborative Innovation Center of Chemical Science and Engineering
| | - Qian Zhang
- School of Chemical Engineering and Technology
- Tianjin University
- Tianjin 300050
- China
| | - Zhongbo Xue
- School of Chemical Engineering and Technology
- Tianjin University
- Tianjin 300050
- China
| | - Chengzhi Gu
- School of Chemical Engineering and Technology
- Shihezi University
- Xinjiang 832000
- China
| | - Zhuozhi Chen
- School of Life Sciences
- Tianjin University
- Tianjin 300072
- China
| | - Boying Yan
- General Hospital of Tianjin Medical University
- Tianjin 300052
- China
| | - Yaqing Feng
- School of Chemical Engineering and Technology
- Tianjin University
- Tianjin 300050
- China
- Collaborative Innovation Center of Chemical Science and Engineering
| | - Zefang Wang
- School of Life Sciences
- Tianjin University
- Tianjin 300072
- China
| | - Shuxian Meng
- School of Chemical Engineering and Technology
- Tianjin University
- Tianjin 300050
- China
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17
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Xu D, Zhao ZQ, Chen ST, Yang Y, Fang W, Liu S. Iminodiacetic acid as bifunctional linker for dimerization of cyclic RGD peptides. Nucl Med Biol 2017; 48:1-8. [DOI: 10.1016/j.nucmedbio.2017.01.007] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2016] [Revised: 01/03/2017] [Accepted: 01/17/2017] [Indexed: 12/18/2022]
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18
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Ma Y, Ai G, Zhang C, Zhao M, Dong X, Han Z, Wang Z, Zhang M, Liu Y, Gao W, Li S, Gu Y. Novel Linear Peptides with High Affinity to αvβ3 Integrin for Precise Tumor Identification. Theranostics 2017; 7:1511-1523. [PMID: 28529634 PMCID: PMC5436510 DOI: 10.7150/thno.18401] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2016] [Accepted: 01/12/2017] [Indexed: 02/06/2023] Open
Abstract
Development of alternative linear peptides for targeting αvβ3 integrin has attracted much attention, as the traditional peptide ligand, cyclic RGD, is limited by inferior water-solubility and complex synthesis. Using pharmacophore-based virtual screening and high-throughput molecular docking, we identified two novel linear small peptides RWr and RWrNM with high affinity and specificity to αvβ3 integrin. The competitive binding with cyclic RGD (c(RGDyK)) and cellular uptake related to the integrin expression levels verified their affinity to αvβ3 integrin. The intermolecular interaction measurement and dynamics simulation demonstrated the high binding affinity and stability, especially for RWrNM. In vivo peptide-guided tumor imaging and targeted therapy further confirmed their specificity. Results indicated that the newly identified small linear peptide RWrNM, with high affinity and specificity to αvβ3 integrin, better water-solubility, and simplified synthetic process, could overcome limitations of the current cyclic RGD peptides, paving the way for diverse use in diagnosis and therapy.
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Affiliation(s)
| | | | | | | | | | | | | | | | | | | | | | - Yueqing Gu
- State Key Laboratory of Natural Medicines, Department of Biomedical Engineering, School of Engineering, China Pharmaceutical University, Nanjing, 24 Tongjia Road, 210009 (China)
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19
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Vats K, Satpati D, Sharma R, Sarma HD, Banerjee S. Synthesis and comparative in vivo evaluation of 99m Tc(CO) 3 -labeled PEGylated and non-PEGylated cRGDfK peptide monomers. Chem Biol Drug Des 2016; 89:371-378. [PMID: 27561428 DOI: 10.1111/cbdd.12844] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2016] [Revised: 07/04/2016] [Accepted: 08/19/2016] [Indexed: 12/22/2022]
Abstract
This work aimed at studying the effect of insertion of medium PEG (PEG7 ) on the pharmacokinetic behavior of cRGDfK peptide in comparison with the non-PEGylated analogue. The cRGDfK peptide has thus been derivatized at ε-amino group of lysine by conjugation with N3 -PEG7 -COOH/N3 -CH2 -COOH to prepare a PEGylated and a non-PEGylated analogue of cRGDfK. A tridentate chelator was then incorporated by click chemistry conjugation of the two peptide azides for radiolabeling with [99m Tc(CO)3 (H2 O)3 ]+ precursor. Comparative in vivo evaluation of the two 99m Tc(CO)3 -labeled radiotracers, 99m Tc(CO)3 -Pra-Tz-CH2 -cRGDfK 5 and 99m Tc(CO)3 -Pra-Tz-PEG7 -cRGDfK 6, was carried out in C57BL/6 mice bearing αv β3 -positive melanoma tumors to determine their potential toward targeting integrin αv β3 receptors. The radiotracers exhibited excellent stability in saline as well as in serum. Maximum tumor uptake for the two radiotracers was observed at 30 min p.i. (5: 3.0 ± 0.7% ID/g; 6: 4.1 ± 0.5% ID/g). The two neutral 99m Tc(CO)3 radiotracers prepared exhibited receptor-mediated uptake in melanoma tumor. The increase in the tumor uptake on introduction of PEG7 unit was accompanied by slower clearance from other organs which resulted in decreased target-to-background ratios. The in vivo kinetics of 99m Tc(CO)3 -labeled radiotracer, 99m Tc(CO)3 -Pra-Tz-CH2 -cRGDfK 5 with only methylene unit as the spacer, was found to be more favorable due to higher tumor/blood, tumor/liver, tumor/kidney, and tumor/lung ratios.
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Affiliation(s)
- Kusum Vats
- Radiopharmaceuticals Chemistry Section, Radiochemistry & Isotope Group, Bhabha Atomic Research Centre, Mumbai, India
| | - Drishty Satpati
- Radiopharmaceuticals Chemistry Section, Radiochemistry & Isotope Group, Bhabha Atomic Research Centre, Mumbai, India
| | - Rohit Sharma
- Radiopharmaceuticals Chemistry Section, Radiochemistry & Isotope Group, Bhabha Atomic Research Centre, Mumbai, India
| | - Haladhar D Sarma
- Radiation Biology and Health Science Division, Bhabha Atomic Research Centre, Mumbai, India
| | - Sharmila Banerjee
- Radiopharmaceuticals Chemistry Section, Radiochemistry & Isotope Group, Bhabha Atomic Research Centre, Mumbai, India
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