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Farkasinszky G, Péliné JS, Károlyi P, Rácz S, Dénes N, Papp T, Király J, Szabo Z, Kertész I, Mező G, Halmos G, Képes Z, Trencsényi G. In Vivo Imaging of Acute Hindlimb Ischaemia in Rat Model: A Pre-Clinical PET Study. Pharmaceutics 2024; 16:542. [PMID: 38675203 PMCID: PMC11054801 DOI: 10.3390/pharmaceutics16040542] [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: 02/23/2024] [Revised: 04/02/2024] [Accepted: 04/11/2024] [Indexed: 04/28/2024] Open
Abstract
BACKGROUND To better understand ischaemia-related molecular alterations, temporal changes in angiogenic Aminopeptidase N (APN/CD13) expression and glucose metabolism were assessed with PET using a rat model of peripheral arterial disease (PAD). METHODS The mechanical occlusion of the base of the left hindlimb triggered using a tourniquet was applied to establish the ischaemia/reperfusion injury model in Fischer-344 rats. 2-[18F]FDG and [68Ga]Ga-NOTA-c(NGR) PET imaging performed 1, 3, 5, 7, and 10 days post-ischaemia induction was followed by Western blotting and immunohistochemical staining for APN/CD13 in ischaemic and control muscle tissue extracts. RESULTS Due to a cellular adaptation to hypoxia, a gradual increase in [68Ga]Ga-NOTA-c(NGR) and 2-[18F]FDG uptake was observed from post-intervention day 1 to 7 in the ischaemic hindlimbs, which was followed by a drop on day 10. Conforming pronounced angiogenic recovery, the NGR accretion of the ischaemic extremities differed significantly from the controls 5, 7, and 10 days after ischaemia induction (p ≤ 0.05), which correlated with the Western blot and immunohistochemical results. No remarkable radioactivity was depicted between the normally perfused hindlimbs of either the ischaemic or the control groups. CONCLUSIONS The PET-based longitudinal assessment of angiogenesis-associated APN/CD13 expression and glucose metabolism during ischaemia may continue to broaden our knowledge on the pathophysiology of PAD.
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Affiliation(s)
- Gergely Farkasinszky
- Division of Nuclear Medicine and Translational Imaging, Department of Medical Imaging, Faculty of Medicine, University of Debrecen, H-4032 Debrecen, Hungary (G.T.)
- Gyula Petrányi Doctoral School of Allergy and Clinical Immunology, Faculty of Medicine, University of Debrecen, H-4032 Debrecen, Hungary
| | - Judit Szabó Péliné
- Division of Nuclear Medicine and Translational Imaging, Department of Medical Imaging, Faculty of Medicine, University of Debrecen, H-4032 Debrecen, Hungary (G.T.)
| | - Péter Károlyi
- Doctoral School of Neuroscience, Faculty of Medicine, University of Debrecen, Nagyerdei St. 98, H-4032 Debrecen, Hungary
- Division of Radiology and Imaging Science, Department of Medical Imaging, Faculty of Medicine, University of Debrecen, Nagyerdei St. 98, H-4032 Debrecen, Hungary
| | - Szilvia Rácz
- Division of Radiology, Department of Medical Imaging, Faculty of Medicine, University of Debrecen, H-4032 Debrecen, Hungary
| | - Noémi Dénes
- Division of Nuclear Medicine and Translational Imaging, Department of Medical Imaging, Faculty of Medicine, University of Debrecen, H-4032 Debrecen, Hungary (G.T.)
| | - Tamás Papp
- Doctoral School of Neuroscience, Faculty of Medicine, University of Debrecen, Nagyerdei St. 98, H-4032 Debrecen, Hungary
- Division of Radiology and Imaging Science, Department of Medical Imaging, Faculty of Medicine, University of Debrecen, Nagyerdei St. 98, H-4032 Debrecen, Hungary
| | - József Király
- Department of Biopharmacy, Faculty of Pharmacy, University of Debrecen, H-4032 Debrecen, Hungary
| | - Zsuzsanna Szabo
- Department of Biopharmacy, Faculty of Pharmacy, University of Debrecen, H-4032 Debrecen, Hungary
| | - István Kertész
- Division of Nuclear Medicine and Translational Imaging, Department of Medical Imaging, Faculty of Medicine, University of Debrecen, H-4032 Debrecen, Hungary (G.T.)
| | - Gábor Mező
- Institute of Chemistry, Faculty of Science, Eötvös Loránd University, H-1053 Budapest, Hungary
- MTA-ELTE, Research Group of Peptide Chemistry, Hungarian Academy of Sciences, Eötvös L. University, H-1053 Budapest, Hungary
| | - Gabor Halmos
- Department of Biopharmacy, Faculty of Pharmacy, University of Debrecen, H-4032 Debrecen, Hungary
| | - Zita Képes
- Division of Nuclear Medicine and Translational Imaging, Department of Medical Imaging, Faculty of Medicine, University of Debrecen, H-4032 Debrecen, Hungary (G.T.)
- Gyula Petrányi Doctoral School of Allergy and Clinical Immunology, Faculty of Medicine, University of Debrecen, H-4032 Debrecen, Hungary
| | - György Trencsényi
- Division of Nuclear Medicine and Translational Imaging, Department of Medical Imaging, Faculty of Medicine, University of Debrecen, H-4032 Debrecen, Hungary (G.T.)
- Gyula Petrányi Doctoral School of Allergy and Clinical Immunology, Faculty of Medicine, University of Debrecen, H-4032 Debrecen, Hungary
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Trencsényi G, Enyedi KN, Mező G, Halmos G, Képes Z. NGR-Based Radiopharmaceuticals for Angiogenesis Imaging: A Preclinical Review. Int J Mol Sci 2023; 24:12675. [PMID: 37628856 PMCID: PMC10454655 DOI: 10.3390/ijms241612675] [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: 07/21/2023] [Revised: 08/08/2023] [Accepted: 08/09/2023] [Indexed: 08/27/2023] Open
Abstract
Angiogenesis plays a crucial role in tumour progression and metastatic spread; therefore, the development of specific vectors targeting angiogenesis has attracted the attention of several researchers. Since angiogenesis-associated aminopeptidase N (APN/CD13) is highly expressed on the surface of activated endothelial cells of new blood vessels and a wide range of tumour cells, it holds great promise for imaging and therapy in the field of cancer medicine. The selective binding capability of asparagine-glycine-arginine (NGR) motif containing molecules to APN/CD13 makes radiolabelled NGR peptides promising radiopharmaceuticals for the non-invasive, real-time imaging of APN/CD13 overexpressing malignancies at the molecular level. Preclinical small animal model systems are major keystones for the evaluation of the in vivo imaging behaviour of radiolabelled NGR derivatives. Based on existing literature data, several positron emission tomography (PET) and single-photon emission computed tomography (SPECT) radioisotopes have been applied so far for the labelling of tumour vasculature homing NGR sequences such as Gallium-68 (68Ga), Copper-64 (64Cu), Technetium-99m (99mTc), Lutetium-177 (177Lu), Rhenium-188 (188Re), or Bismuth-213 (213Bi). Herein, a comprehensive overview is provided of the recent preclinical experiences with radiolabelled imaging probes targeting angiogenesis.
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Affiliation(s)
- György Trencsényi
- Division of Nuclear Medicine and Translational Imaging, Department of Medical Imaging, Faculty of Medicine, University of Debrecen, Nagyerdei St. 98, H-4032 Debrecen, Hungary;
| | - Kata Nóra Enyedi
- ELKH-ELTE Research Group of Peptide Chemistry, Pázmány Péter Sétány 1/A, H-1117 Budapest, Hungary; (K.N.E.); (G.M.)
- Institute of Chemistry, Faculty of Science, Eötvös Loránd University, Pázmány Péter Sétány 1/A, H-1117 Budapest, Hungary
| | - Gábor Mező
- ELKH-ELTE Research Group of Peptide Chemistry, Pázmány Péter Sétány 1/A, H-1117 Budapest, Hungary; (K.N.E.); (G.M.)
- Institute of Chemistry, Faculty of Science, Eötvös Loránd University, Pázmány Péter Sétány 1/A, H-1117 Budapest, Hungary
| | - Gábor Halmos
- Department of Biopharmacy, Faculty of Pharmacy, University of Debrecen, Nagyerdei St. 98, H-4032 Debrecen, Hungary;
| | - Zita Képes
- Division of Nuclear Medicine and Translational Imaging, Department of Medical Imaging, Faculty of Medicine, University of Debrecen, Nagyerdei St. 98, H-4032 Debrecen, Hungary;
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Chakraborty K, Mondal J, An JM, Park J, Lee YK. Advances in Radionuclides and Radiolabelled Peptides for Cancer Therapeutics. Pharmaceutics 2023; 15:pharmaceutics15030971. [PMID: 36986832 PMCID: PMC10054444 DOI: 10.3390/pharmaceutics15030971] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2023] [Revised: 03/13/2023] [Accepted: 03/15/2023] [Indexed: 03/19/2023] Open
Abstract
Radiopharmaceutical therapy, which can detect and treat tumours simultaneously, was introduced more than 80 years ago, and it has changed medical strategies with respect to cancer. Many radioactive radionuclides have been developed, and functional, molecularly modified radiolabelled peptides have been used to produce biomolecules and therapeutics that are vastly utilised in the field of radio medicine. Since the 1990s, they have smoothly transitioned into clinical application, and as of today, a wide variety of radiolabelled radionuclide derivatives have been examined and evaluated in various studies. Advanced technologies, such as conjugation of functional peptides or incorporation of radionuclides into chelating ligands, have been developed for advanced radiopharmaceutical cancer therapy. New radiolabelled conjugates for targeted radiotherapy have been designed to deliver radiation directly to cancer cells with improved specificity and minimal damage to the surrounding normal tissue. The development of new theragnostic radionuclides, which can be used for both imaging and therapy purposes, allows for more precise targeting and monitoring of the treatment response. The increased use of peptide receptor radionuclide therapy (PRRT) is also important in the targeting of specific receptors which are overexpressed in cancer cells. In this review, we provide insights into the development of radionuclides and functional radiolabelled peptides, give a brief background, and describe their transition into clinical application.
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Affiliation(s)
- Kushal Chakraborty
- Department of IT and Energy Convergence (BK21 FOUR), Korea National University of Transportation, Chungju 27469, Republic of Korea
| | - Jagannath Mondal
- Department of Green Bio Engineering, Graduate School, Korea National University of Transportation, Chungju 27469, Republic of Korea
- 4D Convergence Technology Institute, Korea National University of Transportation, Jeungpyeong 27909, Republic of Korea
| | - Jeong Man An
- Department of Bioengineering, College of Engineering, Hanyang University, Seoul 04763, Republic of Korea
| | - Jooho Park
- Department of Applied Life Science, Graduate School, BK21 Program, Konkuk University, Chungju 27478, Republic of Korea
- Research Institute for Biomedical & Health Science, Konkuk University, Chungju 27478, Republic of Korea
- Correspondence: (J.P.); (Y.-K.L.); Tel.: +82-43-841-5224 (Y.-K.L.)
| | - Yong-Kyu Lee
- Department of Green Bio Engineering, Graduate School, Korea National University of Transportation, Chungju 27469, Republic of Korea
- 4D Convergence Technology Institute, Korea National University of Transportation, Jeungpyeong 27909, Republic of Korea
- Correspondence: (J.P.); (Y.-K.L.); Tel.: +82-43-841-5224 (Y.-K.L.)
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Siminzar P, Tohidkia MR, Eppard E, Vahidfar N, Tarighatnia A, Aghanejad A. Recent Trends in Diagnostic Biomarkers of Tumor Microenvironment. Mol Imaging Biol 2022; 25:464-482. [PMID: 36517729 DOI: 10.1007/s11307-022-01795-1] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2022] [Revised: 11/26/2022] [Accepted: 11/28/2022] [Indexed: 12/15/2022]
Abstract
The tumor microenvironment (TME) play critical roles in tumor survival, progression, and metastasis and can be considered potential targets for molecular imaging of cancer. The targeting agents for imaging of TME components (e.g., fibroblasts, mesenchymal stromal cells, immune cells, extracellular matrix, blood vessels) provide a promising strategy to target these biomarkers for the early diagnosis of cancers. Moreover, various cancer types have similar tumor immune microenvironment (TIME) features that targeting those biomarkers and offer clinically translatable molecular imaging of cancers. In this review, we categorize and summarize the components in TME which have been targeted for molecular imaging. Moreover, this review updated the recent progress in targeted imaging of TIME biological molecules by various modalities for the early detection of cancer.
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Aminopeptidase N Inhibitors as Pointers for Overcoming Antitumor Treatment Resistance. Int J Mol Sci 2022; 23:ijms23179813. [PMID: 36077208 PMCID: PMC9456425 DOI: 10.3390/ijms23179813] [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: 07/26/2022] [Revised: 08/25/2022] [Accepted: 08/27/2022] [Indexed: 12/05/2022] Open
Abstract
Aminopeptidase N (APN), also known as CD13 antigen or membrane alanyl aminopeptidase, belongs to the M1 family of the MA clan of zinc metallopeptidases. In cancer cells, the inhibition of aminopeptidases including APN causes the phenomenon termed the amino acid deprivation response (AADR), a stress response characterized by the upregulation of amino acid transporters and synthetic enzymes and activation of stress-related pathways such as nuclear factor kB (NFkB) and other pro-apoptotic regulators, which leads to cancer cell death by apoptosis. Recently, APN inhibition has been shown to augment DR4-induced tumor cell death and thus overcome resistance to cancer treatment with DR4-ligand TRAIL, which is available as a recombinant soluble form dulanermin. This implies that APN inhibitors could serve as potential weapons for overcoming cancer treatment resistance. In this study, a series of basically substituted acetamidophenones and the semicarbazones and thiosemicarbazones derived from them were prepared, for which APN inhibitory activity was determined. In addition, a selective anti-proliferative activity against cancer cells expressing APN was demonstrated. Our semicarbazones and thiosemicarbazones are the first compounds of these structural types of Schiff bases that were reported to inhibit not only a zinc-dependent aminopeptidase of the M1 family but also a metalloenzyme.
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Kumaravel S, Luo GR, Huang ST, Lin HY, Lin CM, Lee YC. Development of a novel latent electrochemical molecular substrate for the real-time monitoring of the tumor marker aminopeptidase N in live cells, whole blood and urine. Biosens Bioelectron 2022; 203:114049. [DOI: 10.1016/j.bios.2022.114049] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2021] [Revised: 01/14/2022] [Accepted: 01/25/2022] [Indexed: 01/12/2023]
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Yao L, Li Y, Chen H, Wen X, Pang Y, Chen Z, Guo Z, Zhang X, Wu H, Guo W. Dual Targeting of Integrin α vβ 3 and Neuropilin-1 Receptors Improves Micropositron Emission Tomography Imaging of Breast Cancer. Mol Pharm 2022; 19:1458-1467. [PMID: 35414180 DOI: 10.1021/acs.molpharmaceut.1c01015] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
The receptors neuropilin-1 (NRP-1) and integrin αvβ3 are overexpressed in breast cancer and associated with neovascularization. We synthesized a heterodimeric tracer, 68Ga-DOTA-RGD-ATWLPPR, which simultaneously targets integrin αvβ3 and NRP-1 in breast cancer. In this study, we evaluated the diagnostic efficacy of 68Ga-DOTA-RGD-ATWLPPR during micropositron emission tomography (microPET)/X-ray computed tomography (CT) imaging and gamma counting. We evaluated the receptor-binding characteristics and tumor-targeting efficacy of the tracer in vitro and in vivo. Static microPET/CT imaging and gamma counting studies showed that 68Ga-DOTA-RGD-ATWLPPR uptake in MCF-7 tumors is higher than that of monomeric tracers. 68Ga-DOTA-RGD-ATWLPPR uptake could be blocked with excess unlabeled RGD or ATWLPPR, demonstrating the sensitivity and specificity of the tracer. We did not observe bone tracer uptake in vivo, but the data indicated that 68Ga-DOTA-RGD-ATWLPPR is metabolized in the kidneys and the liver uptake is low. In conclusion, 68Ga-DOTA-RGD-ATWLPPR has improved binding affinity, targeting efficiency, and tumor retention time when compared to monomeric tracers, suggesting that it has potential as an imaging probe for breast cancer detection.
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Affiliation(s)
- Lanlin Yao
- Department of Nuclear Medicine & Minnan PET Center, Xiamen Cancer Center, The First Affiliated Hospital of Xiamen University, Xiamen 361003, China
| | - Yesen Li
- Department of Nuclear Medicine & Minnan PET Center, Xiamen Cancer Center, The First Affiliated Hospital of Xiamen University, Xiamen 361003, China
| | - Haojun Chen
- Department of Nuclear Medicine & Minnan PET Center, Xiamen Cancer Center, The First Affiliated Hospital of Xiamen University, Xiamen 361003, China
| | - Xuejun Wen
- State Key Laboratory of Molecular Vaccinology and Molecular Diagnostics & Center for Molecular Imaging and Translational Medicine, School of Public Health, Xiamen University, 4221-116 Xiang'An South Rd, Xiamen 361102, China
| | - Yizhen Pang
- Department of Nuclear Medicine & Minnan PET Center, Xiamen Cancer Center, The First Affiliated Hospital of Xiamen University, Xiamen 361003, China
| | - Zijun Chen
- Department of Nuclear Medicine & Minnan PET Center, Xiamen Cancer Center, The First Affiliated Hospital of Xiamen University, Xiamen 361003, China
| | - Zhide Guo
- State Key Laboratory of Molecular Vaccinology and Molecular Diagnostics & Center for Molecular Imaging and Translational Medicine, School of Public Health, Xiamen University, 4221-116 Xiang'An South Rd, Xiamen 361102, China
| | - Xianzhong Zhang
- State Key Laboratory of Molecular Vaccinology and Molecular Diagnostics & Center for Molecular Imaging and Translational Medicine, School of Public Health, Xiamen University, 4221-116 Xiang'An South Rd, Xiamen 361102, China
| | - Hua Wu
- Department of Nuclear Medicine & Minnan PET Center, Xiamen Cancer Center, The First Affiliated Hospital of Xiamen University, Xiamen 361003, China
| | - Wei Guo
- Department of Nuclear Medicine & Minnan PET Center, Xiamen Cancer Center, The First Affiliated Hospital of Xiamen University, Xiamen 361003, China
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Meng L, Ou-Yang Y, Lv F, Song J, Yao J. Research on the anti-tumor activity of a novel aminopeptidase inhibitor based on 3D QSAR model. LETT DRUG DES DISCOV 2022. [DOI: 10.2174/1570180819666220210101641] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Background:
Aminopeptidase N (APN) is a type II transmembrane zinc ion-dependent metalloprotease. It is closely related to many processes of tumor occurrence and development, such as the formation of new blood vessels and tumor metastasis. Recent studies have shown that APN is a member of the family of surface markers of liver cancer stem cells. Therefore, APN small molecule inhibitors may have multiple compound functions, exerting multiple anti-tumor effects at multiple stages of cancer occurrence and development.
Methods:
Comparative Molecular Field Analysis (CoMFA) and Comparative Molecular Similarity Indices Analysis (CoMSIA) approaches.
Results:
Both internal and external cross-validation were conducted to obtain high predictive and satisfactory CoMFA model (q2 = 0.627, r2 =0.995, SEE = 0.043) and CoMSIA model (q2 = 0.575, r2 = 0.998, SEE = 0.031). The statistical results obtained from CoMFA and CoMSIA models were full of credibility and remarkable predictive power.
Conclusion:
The results of 3D-QSAR are reliable and significant with high predictive (q2) ability, and a lower value of the standard error of estimation indicates a good correlation between predicted and observed activity. All these results revealed many useful structural insights to improve the activity of the newly designed APN small molecule inhibitors.
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Affiliation(s)
- Liqiang Meng
- Department of Pharmacy, The Fifth People\'s Hospital of Datong City, Datong Shanxi Province, People’s republic of China
| | - Yanhong Ou-Yang
- Department of Pharmacy, The Fifth People\'s Hospital of Datong City, Datong Shanxi Province, People’s republic of China
| | - Fuyin Lv
- Department of Pharmacy, The Fifth People\'s Hospital of Datong City, Datong Shanxi Province, People’s republic of China
| | - Jiarong Song
- Department of Pharmacy, The Fifth People\'s Hospital of Datong City, Datong Shanxi Province, People’s republic of China
| | - Jianxin Yao
- Department of Pharmacy, The Fifth People\'s Hospital of Datong City, Datong Shanxi Province, People’s republic of China
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Synthesis of 68Ga-Labeled cNGR-Based Glycopeptides and In Vivo Evaluation by PET Imaging. Pharmaceutics 2021; 13:pharmaceutics13122103. [PMID: 34959383 PMCID: PMC8703807 DOI: 10.3390/pharmaceutics13122103] [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: 11/05/2021] [Revised: 11/29/2021] [Accepted: 12/03/2021] [Indexed: 12/02/2022] Open
Abstract
Tumor hypoxia induces angiogenesis, which is required for tumor cell survival. The aminopeptidase N receptor (APN/CD13) is an excellent marker of angiogenesis since it is overexpressed in angiogenic blood vessels and in tumor cells. Asparagine-glycine-arginine (NGR) peptide analogs bind selectively to the APN/CD13 recepto, therefore, they are important vector molecules in the development of a PET radiotracer which is capable of detecting APN-rich tumors. To investigate the effect of glycosylation and pegylation on in-vivo efficacy of an NGR-based radiotracer, two 68Ga-labeled radioglycopeptides were synthesized. A lactosamine derivative was applied to glycosylation of the NGR derivative and PEG4 moiety was used for pegylation. The receptor targeting potential and biodistribution of the radiopeptides were evaluated with in vivo PET imaging studies and ex vivo tissue distribution studies using B16-F10 melanoma tumor-bearing mice. According to these studies, all synthesized radiopeptides were capable of detecting APN expression in B16-F10 melanoma tumor. In addition, lower hepatic uptake, higher tumor-to background (T/M) ratio and prolonged circulation time were observed for the novel [68Ga]-10 radiotracer due to pegylation and glycosylation, resulting in more contrasting PET imaging. These in vivo PET imaging results correlated well with the ex vivo tissue distribution data.
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