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Zhang X, Lin Z, Feng Y, Kang F, Wang J, Lan X. Melanin-Targeting Radiotracers and Their Preclinical, Translational, and Clinical Status: From Past to Future. J Nucl Med 2024; 65:19S-28S. [PMID: 38719238 DOI: 10.2967/jnumed.123.266945] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2023] [Revised: 01/31/2024] [Indexed: 07/16/2024] Open
Abstract
Melanin is one of the representative biomarkers of malignant melanoma and a potential target for diagnosis and therapy. With advancements in chemistry and radiolabeling technologies, promising strides have been made to synthesize radiolabeled melanin-binding molecules for various applications. We present an overview of melanin-targeted radiolabeled molecules and compare their features reported in preclinical studies. Clinical practice and trials are also discussed to elaborate on the safety and validity of the probes, and expanded applications beyond melanoma are reviewed. Melanin-targeted imaging holds potential value in the diagnosis, staging, and prognostic assessment of melanoma and other applications. Melanin-targeted radionuclide therapy possesses immense potential but requires more clinical validation. Furthermore, an intriguing avenue for future research involves expanding the application scope of melanin-targeted probes and exploring their value.
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Affiliation(s)
- Xiao Zhang
- Department of Nuclear Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Hubei Key Laboratory of Molecular Imaging, Wuhan, China
- Key Laboratory of Biological Targeted Therapy, Ministry of Education, Wuhan, China; and
| | - Zhaoguo Lin
- Department of Nuclear Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Hubei Key Laboratory of Molecular Imaging, Wuhan, China
- Key Laboratory of Biological Targeted Therapy, Ministry of Education, Wuhan, China; and
| | - Yuan Feng
- Department of Nuclear Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Hubei Key Laboratory of Molecular Imaging, Wuhan, China
- Key Laboratory of Biological Targeted Therapy, Ministry of Education, Wuhan, China; and
| | - Fei Kang
- Department of Nuclear Medicine, Xijing Hospital, Fourth Military Medical University, Xi'an, China
| | - Jing Wang
- Department of Nuclear Medicine, Xijing Hospital, Fourth Military Medical University, Xi'an, China
| | - Xiaoli Lan
- Department of Nuclear Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China;
- Hubei Key Laboratory of Molecular Imaging, Wuhan, China
- Key Laboratory of Biological Targeted Therapy, Ministry of Education, Wuhan, China; and
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2
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Prendergast CM, Capaccione KM, Lopci E, Das JP, Shoushtari AN, Yeh R, Amin D, Dercle L, De Jong D. More than Just Skin-Deep: A Review of Imaging's Role in Guiding CAR T-Cell Therapy for Advanced Melanoma. Diagnostics (Basel) 2023; 13:992. [PMID: 36900136 PMCID: PMC10000712 DOI: 10.3390/diagnostics13050992] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2023] [Revised: 02/21/2023] [Accepted: 02/24/2023] [Indexed: 03/08/2023] Open
Abstract
Advanced melanoma is one of the deadliest cancers, owing to its invasiveness and its propensity to develop resistance to therapy. Surgery remains the first-line treatment for early-stage tumors but is often not an option for advanced-stage melanoma. Chemotherapy carries a poor prognosis, and despite advances in targeted therapy, the cancer can develop resistance. CAR T-cell therapy has demonstrated great success against hematological cancers, and clinical trials are deploying it against advanced melanoma. Though melanoma remains a challenging disease to treat, radiology will play an increasing role in monitoring both the CAR T-cells and response to therapy. We review the current imaging techniques for advanced melanoma, as well as novel PET tracers and radiomics, in order to guide CAR T-cell therapy and manage potential adverse events.
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Affiliation(s)
- Conor M. Prendergast
- Department of Radiology, Columbia University Irving Medical Center, New York, NY 10032, USA
| | - Kathleen M. Capaccione
- Department of Radiology, Columbia University Irving Medical Center, New York, NY 10032, USA
| | - Egesta Lopci
- Department of Nuclear Medicine, IRCSS Humanitas Research Hospital, 20089 Milan, Italy
| | - Jeeban P. Das
- Memorial Sloan Kettering Cancer Center, New York, NY 10065, USA
| | | | - Randy Yeh
- Memorial Sloan Kettering Cancer Center, New York, NY 10065, USA
| | - Daniel Amin
- Department of Radiology, Columbia University Irving Medical Center, New York, NY 10032, USA
| | - Laurent Dercle
- Department of Radiology, Columbia University Irving Medical Center, New York, NY 10032, USA
| | - Dorine De Jong
- Memorial Sloan Kettering Cancer Center, New York, NY 10065, USA
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3
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Wang T, Xu P, Fang J, Li C, Zeng X, Liu J, Meng L, Zhuang R, Zhang X, Su X, Guo Z. Synthesis and Preclinical Evaluation of a 68Ga-Labeled Pyridine-Based Benzamide Dimer for Malignant Melanoma Imaging. Mol Pharm 2023; 20:1015-1024. [PMID: 36562303 DOI: 10.1021/acs.molpharmaceut.2c00745] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Benzamide (BZA), a small molecule that can freely cross cell membranes and bind to melanin, has served as an effective targeting group for melanoma theranostics. In this study, a novel pyridine-based BZA dimer (denoted as H-2) was labeled with 68Ga ([68Ga]Ga-H-2) for positron emission tomography (PET) imaging of malignant melanomas. [68Ga]Ga-H-2 was obtained with high radiochemical yield (98.0 ± 2.0%) and satisfactory radiochemical purity (>95.0%). The specificity and affinity of [68Ga]Ga-H-2 were confirmed in melanoma B16F10 cells and in vivo PET imaging of multiple tumor models (B16F10 tumors, A375 melanoma, and lung metastases). Monomeric [68Ga]Ga-H-1 was prepared as a control radiotracer to verify the effects of the molecular structure on pharmacokinetics. The values of the lipid-water partition coefficient of [68Ga]Ga-H-2 and [68Ga]Ga-H-1 demonstrated hydrophilicity with log P = -2.37 ± 0.07 and -2.02 ± 0.09, respectively. PET imaging and biodistribution showed a higher uptake of [68Ga]Ga-H-2 in B16F10 primary and metastatic melanomas than that in A375 melanomas. However, the relatively low uptake of monomeric [68Ga]Ga-H-1 in B16F10 tumors and high accumulation in nontarget organs resulted in poor PET imaging quality. This study demonstrates the synthesis and preclinical evaluation of the novel pyridine-based BZA dimer [68Ga]Ga-H-2 and indicates that the dimer tracer has promising applications in malignant melanoma-specific PET imaging because of its high uptake and long-time retention in malignant melanoma.
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Affiliation(s)
- Tingting Wang
- Department of Nuclear Medicine, Zhongshan Hospital of Xiamen University, School of Medicine, Xiamen University, Xiamen 361004, China.,PET Center, Department of Nuclear Medicine, The First Affiliated Hospital, School of Medicine, Zhejiang University, 79 Qingchun Road, Hangzhou 310003, China.,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
| | - Pengfei Xu
- Institute of Clinical Pharmacy & Pharmacology, Jining First People's Hospital, Jining Medical University, Jining 272000, China
| | - Jianyang Fang
- 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
| | - Cijuan Li
- Department of Nuclear Medicine, Zhongshan Hospital of Xiamen University, School of Medicine, Xiamen University, Xiamen 361004, China
| | - Xinying Zeng
- 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
| | - Jia Liu
- 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
| | - Lingxin Meng
- 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
| | - Rongqiang Zhuang
- 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
| | - Xinhui Su
- Department of Nuclear Medicine, Zhongshan Hospital of Xiamen University, School of Medicine, Xiamen University, Xiamen 361004, China.,PET Center, Department of Nuclear Medicine, The First Affiliated Hospital, School of Medicine, Zhejiang University, 79 Qingchun Road, Hangzhou 310003, 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
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4
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Wang Y, Li M, Zhang X, Ji H, Wang W, Han N, Li H, Xu X, Lan X. 18F-5-FPN: A Specific Probe for Monitoring Photothermal Therapy Response in Malignant Melanoma. Mol Pharm 2023; 20:572-581. [PMID: 36382713 DOI: 10.1021/acs.molpharmaceut.2c00742] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Previously, we successfully synthesized a 18F-labeled positron-emission tomography (PET) tracer, termed 18F-5-fluoro-N-(2-[diethylamino]ethyl)picolinamide (18F-5-FPN), with high specificity for melanin. In this study, we sought to investigate the value of 18F-5-FPN in assessing the response to photothermal therapy (PTT) in melanoma via comparison with 18F-fluorodeoxyglucose (18F-FDG) to reveal an early response, recognize early recurrence, and distinguish the inflammatory response during the treatment. B16F10, inflammatory, and MDA-MB-231 models were subjected to 18F-FDG PET and 18F-5-FPN PET static acquisitions. We compared quantitative data to assess the specificity of different agents for different diseases. B16F10 and MDA-MB-231subcutaneous tumor models were irradiated with an 808 nm laser for PTT. Their survival was documented to observe the efficacy of and response to PTT, using 18F-5-FPN and 18F-FDG PET. 18F-5-FPN accumulated in B16F10 cell xenografts only, whereas 18F-FDG accumulated in all three models. Melanin in B16F10 cell xenografts successfully transformed the optical energy into heat. Hematoxylin and eosin (H&E) staining at 24 h revealed destruction and extensive necrosis of tumor tissue. PTT rapidly inhibited the growth of B16F10 cell xenografts and prolonged the median survival. The mean tumor uptakes of 18F-5-FPN on day 2 (7.52 ± 3.65 %ID/g) and day 6 (10.22 ± 6.00 %ID/g) were much lower than that before treatment (18.33 ± 4.98 %ID/g, p < 0.01). However, a significant difference in 18F-FDG uptakes was not found between day 1 after PTT and before treatment. Compared with 18F-FDG, 18F-5-FPN PET could estimate PTT efficacy in melanoma, monitor minimal recurrence, and distinguish melanoma from inflammation and other carcinoma types, thanks to its high affinity to melanin. 18F-5-FPN may provide a new approach for precise and accurate evaluation of response, timely management of therapeutic regimens, and sensitive follow-up.
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Affiliation(s)
- Yichun Wang
- Department of Nuclear Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China.,Hubei Province Key Laboratory of Molecular Imaging, Wuhan 430022, China.,Department of Nuclear Medicine, Zhongnan Hospital of Wuhan University, Wuhan 430071, China
| | - Mengting Li
- Department of Nuclear Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China.,Hubei Province Key Laboratory of Molecular Imaging, Wuhan 430022, China.,Key Laboratory of Biological Targeted Therapy, The Ministry of Education, Wuhan 430022, China
| | - Xiao Zhang
- Department of Nuclear Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China.,Hubei Province Key Laboratory of Molecular Imaging, Wuhan 430022, China.,Key Laboratory of Biological Targeted Therapy, The Ministry of Education, Wuhan 430022, China
| | - Hao Ji
- Department of Nuclear Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China.,Hubei Province Key Laboratory of Molecular Imaging, Wuhan 430022, China
| | - Wenxia Wang
- Department of Nuclear Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China.,Hubei Province Key Laboratory of Molecular Imaging, Wuhan 430022, China
| | - Na Han
- Department of Nuclear Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China.,Hubei Province Key Laboratory of Molecular Imaging, Wuhan 430022, China
| | - Huiling Li
- Department of Nuclear Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China.,Hubei Province Key Laboratory of Molecular Imaging, Wuhan 430022, China
| | - Xiaodong Xu
- Department of Nuclear Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China.,Hubei Province Key Laboratory of Molecular Imaging, Wuhan 430022, China
| | - Xiaoli Lan
- Department of Nuclear Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China.,Hubei Province Key Laboratory of Molecular Imaging, Wuhan 430022, China.,Key Laboratory of Biological Targeted Therapy, The Ministry of Education, Wuhan 430022, China
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5
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Zhang X, Li M, Gai Y, Chen J, Tao J, Yang L, Hu F, Song W, Yen TC, Lan X. 18F-PFPN PET: A New and Attractive Imaging Modality for Patients with Malignant Melanoma. J Nucl Med 2022; 63:1537-1543. [PMID: 35115367 PMCID: PMC9536710 DOI: 10.2967/jnumed.121.263179] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2021] [Accepted: 01/14/2022] [Indexed: 11/16/2022] Open
Abstract
18F-FDG PET has limited diagnostic applications in malignant melanoma (MM). 18F-N-(2-(diethylamino)ethyl)-5-(2-(2-(2-fluoroethoxy)ethoxy)ethoxy)picolinamide (18F-PFPN) is a novel PET probe with high affinity and selectivity for melanin. We conducted a clinical study with 2 aims, first to investigate the biodistribution and radiation dosimetry of 18F-PFPN in healthy volunteers, and second, to examine the diagnostic utility of 18F-PFPN PET imaging in patients with MM. Methods: 18F-PFPN was synthesized through a fluoro-for-tosyl exchange reaction. Five healthy volunteers were enrolled to investigate the biodistribution, pharmacokinetics, radiation dosimetry, and safety of the tracer. Subsequently, a total of 21 patients with clinically suspected or confirmed MM underwent both 18F-PFPN PET/MRI and 18F-FDG PET/CT scans. The normalized SUVmax of selected lesions was determined for both tracers and compared in patient- and lesion-based analyses. Results: 18F-PFPN has an elevated radiochemical yield and was highly stable in vivo. In healthy volunteers, 18F-PFPN was safe and well tolerated, and its effective absorbed dose was comparable to that of 18F-FDG. In patient-based analysis, 18F-PFPN uptake was higher than 18F-FDG for both primary tumors and nodal metastases. In lesion-based analysis,18F-PFPN PET imaging could detect 365 metastases that were missed on 18F-FDG PET. Additionally, 18F-PFPN PET imaging had clinical value in distinguishing false-positive lesions on 18F-FDG PET. Conclusion: 18F-PFPN is a safe and well-tolerated melanin PET tracer. In a pilot clinical study, 18F-PFPN PET imaging outperformed traditional 18F-FDG PET in identifying both primary MM and its distant spread.
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Affiliation(s)
- Xiao Zhang
- Department of Nuclear Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Hubei Key Laboratory of Molecular Imaging, Wuhan, China
| | - Mengting Li
- Department of Nuclear Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Hubei Key Laboratory of Molecular Imaging, Wuhan, China
| | - Yongkang Gai
- Department of Nuclear Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Hubei Key Laboratory of Molecular Imaging, Wuhan, China
| | - Jing Chen
- Cancer Center, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Juan Tao
- Department of Dermatology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Liu Yang
- Department of Dermatology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Fan Hu
- Department of Nuclear Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Hubei Key Laboratory of Molecular Imaging, Wuhan, China
| | - Wenyu Song
- Department of Nuclear Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Hubei Key Laboratory of Molecular Imaging, Wuhan, China
| | - Tzu-Chen Yen
- Department of Medicine and Molecular Imaging Center, Linkou Chang Gung Memorial Hospital and Chang Gung University, Taoyuan City, Taiwan; and
- Aprinoia Therapeutics Co., Ltd., Suzhou, China
| | - Xiaoli Lan
- Department of Nuclear Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China;
- Hubei Key Laboratory of Molecular Imaging, Wuhan, China
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6
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Fernández-García V, Boscá L. Use of 11C-acetate PET imaging in the evaluation of advanced atherogenic lesions. J Nucl Cardiol 2022; 29:1277-1279. [PMID: 33665731 DOI: 10.1007/s12350-021-02562-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2021] [Accepted: 01/27/2021] [Indexed: 02/07/2023]
Abstract
The use of 11C-acetate as a PET/CT tracer for atherosclerotic lesions preferentially labels anti-inflammatory/pro-resolution intra-plaque macrophages. An overview of the mechanisms involved in the selective uptake.
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Affiliation(s)
- Victoria Fernández-García
- Instituto de Investigaciones Biomédicas Alberto Sols (CSIC-UAM), Madrid, Spain
- Centro de Investigación Biomédica en Red en Enfermedades Cardiovasculares (CIBERCV), Madrid, Spain
| | - Lisardo Boscá
- Instituto de Investigaciones Biomédicas Alberto Sols (CSIC-UAM), Madrid, Spain.
- Centro de Investigación Biomédica en Red en Enfermedades Cardiovasculares (CIBERCV), Madrid, Spain.
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7
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Bellavia MC, Nyiranshuti L, Latoche JD, Ho KV, Fecek RJ, Taylor JL, Day KE, Nigam S, Pun M, Gallazzi F, Edinger RS, Storkus WJ, Patel RB, Anderson CJ. PET Imaging of VLA-4 in a New BRAF V600E Mouse Model of Melanoma. Mol Imaging Biol 2022; 24:425-433. [PMID: 34694528 PMCID: PMC9183947 DOI: 10.1007/s11307-021-01666-1] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2021] [Revised: 09/28/2021] [Accepted: 10/05/2021] [Indexed: 01/05/2023]
Abstract
PURPOSE Despite unprecedented responses to immune checkpoint inhibitors and targeted therapy in melanoma, a major subset of patients progresses and have few effective salvage options. We have previously demonstrated robust, selective uptake of the peptidomimetic LLP2A labeled with Cu-64 ([64Cu]-LLP2A) for positron emission tomography (PET) imaging in subcutaneous and metastatic models of B16F10 murine melanoma. LLP2A binds with high affinity to very late antigen-4 (VLA-4, integrin α4β1), a transmembrane protein overexpressed in melanoma and other cancers that facilitates tumor growth and metastasis. Yet B16F10 fails to faithfully reflect human melanoma biology, as it lacks certain oncogenic driver mutations, including BRAF mutations found in ≥ 50 % of clinical specimens. Here, we evaluated the PET tracer [64Cu]-CB-TE1A1P-PEG4-LLP2A ([64Cu]-LLP2A) in novel, translational BRAFV600E mutant melanoma models differing in VLA-4 expression-BPR (VLA-4-) and BPRα (VLA-4+). PROCEDURES BPR cells were transduced with α4 (CD49d) to overexpress intact cell surface VLA-4 (BPRα). The binding affinity of [64Cu]-LLP2A to BPR and BPRα cells was determined by saturation binding assays. [64Cu]-LLP2A internalization into B16F10, BPR, and BPRα cells was quantified via a plate-based assay. Tracer biodistribution and PET/CT imaging were evaluated in mice bearing subcutaneous BPR and BPRα tumors. RESULTS [64Cu]-LLP2A demonstrated high binding affinity to BPRα (Kd = 1.4 nM) but indeterminate binding to BPR cells. VLA-4+ BPRα and B16F10 displayed comparable time-dependent [64Cu]-LLP2A internalization, whereas BPR internalization was undetectable. PET/CT showed increased tracer uptake in BPRα tumors vs. BPR tumors in vivo, which was validated by significantly greater (p < 0.0001) BPRα tumor uptake in biodistribution analyses. CONCLUSIONS [64Cu]-LLP2A discriminates BPRα (VLA-4+) vs. BPR (VLA-4-) melanomas in vivo, supporting translation of these BRAF-mutated melanoma models via prospective imaging and theranostic studies. These results extend the utility of LLP2A to selectively target clinically relevant and therapy-resistant tumor variants toward its use for therapeutic patient care.
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Affiliation(s)
- Michael C Bellavia
- Department of Bioengineering, University of Pittsburgh, Pittsburgh, PA, 15213, USA
| | - Lea Nyiranshuti
- Department of Medicine, University of Pittsburgh, Pittsburgh, PA, 15213, USA
- Department of Molecular and Medical Pharmacology, University of California Los Angeles, Los Angeles, CA, 90095, USA
- RayzeBio Inc., San Diego, CA, 92121, USA
| | - Joseph D Latoche
- Department of Medicine, University of Pittsburgh, Pittsburgh, PA, 15213, USA
| | - Khanh-Van Ho
- Department of Chemistry, University of Missouri, Columbia, MO, 65211, USA
| | - Ronald J Fecek
- Department of Dermatology, University of Pittsburgh, Pittsburgh, PA, 15213, USA
- Department of Microbiology and Immunology, Lake Erie College of Osteopathic Medicine at Seton Hill, Greensburg, PA, 15601, USA
| | - Jennifer L Taylor
- Department of Dermatology, University of Pittsburgh, Pittsburgh, PA, 15213, USA
| | - Kathryn E Day
- Department of Medicine, University of Pittsburgh, Pittsburgh, PA, 15213, USA
| | - Shubhanchi Nigam
- Department of Radiology, University of Pittsburgh, Pittsburgh, PA, 15213, USA
- Eurofins Scientific, Philadelphia, PA, 19355, USA
| | - Michael Pun
- Department of Chemistry, University of Missouri, Columbia, MO, 65211, USA
| | - Fabio Gallazzi
- Department of Chemistry, University of Missouri, Columbia, MO, 65211, USA
| | - Robert S Edinger
- Department of Medicine, University of Pittsburgh, Pittsburgh, PA, 15213, USA
- Department of Radiation Oncology, University of Pittsburgh, Pittsburgh, PA, 15213, USA
| | - Walter J Storkus
- Department of Bioengineering, University of Pittsburgh, Pittsburgh, PA, 15213, USA
- Department of Dermatology, University of Pittsburgh, Pittsburgh, PA, 15213, USA
| | - Ravi B Patel
- Department of Bioengineering, University of Pittsburgh, Pittsburgh, PA, 15213, USA.
- Department of Radiation Oncology, University of Pittsburgh, Pittsburgh, PA, 15213, USA.
| | - Carolyn J Anderson
- Department of Bioengineering, University of Pittsburgh, Pittsburgh, PA, 15213, USA.
- Department of Medicine, University of Pittsburgh, Pittsburgh, PA, 15213, USA.
- Department of Chemistry, University of Missouri, Columbia, MO, 65211, USA.
- Department of Radiology, University of Pittsburgh, Pittsburgh, PA, 15213, USA.
- Department of Radiology, University of Missouri, Columbia, MO, 65211, USA.
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8
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Translating Molecules into Imaging—The Development of New PET Tracers for Patients with Melanoma. Diagnostics (Basel) 2022; 12:diagnostics12051116. [PMID: 35626272 PMCID: PMC9139963 DOI: 10.3390/diagnostics12051116] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2022] [Revised: 04/22/2022] [Accepted: 04/27/2022] [Indexed: 01/27/2023] Open
Abstract
Melanoma is a deadly disease that often exhibits relentless progression and can have both early and late metastases. Recent advances in immunotherapy and targeted therapy have dramatically increased patient survival for patients with melanoma. Similar advances in molecular targeted PET imaging can identify molecular pathways that promote disease progression and therefore offer physiological information. Thus, they can be used to assess prognosis, tumor heterogeneity, and identify instances of treatment failure. Numerous agents tested preclinically and clinically demonstrate promising results with high tumor-to-background ratios in both primary and metastatic melanoma tumors. Here, we detail the development and testing of multiple molecular targeted PET-imaging agents, including agents for general oncological imaging and those specifically for PET imaging of melanoma. Of the numerous radiopharmaceuticals evaluated for this purpose, several have made it to clinical trials and showed promising results. Ultimately, these agents may become the standard of care for melanoma imaging if they are able to demonstrate micrometastatic disease and thus provide more accurate information for staging. Furthermore, these agents provide a more accurate way to monitor response to therapy. Patients will be able to receive treatment based on tumor uptake characteristics and may be able to be treated earlier for lesions that with traditional imaging would be subclinical, overall leading to improved outcomes for patients.
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9
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Xu X, Yuan L, Gai Y, Liu Q, Yin L, Jiang Y, Wang Y, Zhang Y, Lan X. Targeted radiotherapy of pigmented melanoma with 131I-5-IPN. JOURNAL OF EXPERIMENTAL & CLINICAL CANCER RESEARCH : CR 2018; 37:306. [PMID: 30537980 PMCID: PMC6288928 DOI: 10.1186/s13046-018-0983-0] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/05/2018] [Accepted: 11/26/2018] [Indexed: 12/25/2022]
Abstract
Purpose There has been no satisfactory treatment for advanced melanoma until now. Targeted radionuclide therapy (TRNT) may be a promising option for this heretofore lethal disease. Our goal in this study was to synthesize 131I-N-(2-(diethylamino)ethyl)-5-(iodo-131I)picolinamide (131I-5-IPN) and evaluate its therapeutic ability and toxicity as a radioiodinated melanin-targeting therapeutic agent. Methods The trimethylstannyl precursor was synthesized and labeled with 131I to obtain 131I-5-IPN. The pharmacokinetics of 131I-5-IPN was evaluated through SPECT imaging, and its biodistribution was assessed in B16F10 tumor models and in A375 human-to-mouse xenografts. For TRNT, B16F10 melanoma-bearing mice were randomly allocated to receive one of five treatments (n = 10 per group): group A (the control group) received 0.1 mL saline; group B was treated with an equimolar dose of unlabeled precursor; group C received 18.5 MBq of [131I]NaI; group D and E received one or two dose of 18.5 MBq 131I-5-IPN, respectively. TRNT efficacy was evaluated through tumor volume measurement and biology study. The toxic effects of 131I-5-IPN on vital organs were assessed with laboratory tests and histopathological examination. The radiation absorbed dose to vital organs was estimated based on biodistribution data. Results 131I-5-IPN was successfully prepared with a good radiochemistry yield (55% ± 5%, n = 5), and it exhibited a high uptake ratio in melanin-positive B16F10 cells which indicating high specificity. SPECT imaging and biodistribution of 131I-5-IPN showed lasting high tumor uptake in pigmented B16F10 models for 72 h. TRNT with 131I-5-IPN led to a significant anti-tumor effect and Groups D and E displayed an extended median survival compared to groups A, B, and C. The highest absorbed dose to a vital organ was 0.25 mSv/MBq to the liver; no obvious injury to the liver or kidneys was observed during treatment. 131I-5-IPN treatment was associated with reduction of expression of proliferating cell nuclear antigen (PCNA) and Ki67 and cell cycle blockage in G2/M phase in tumor tissues. Decreased vascular endothelial growth factor and CD31 expression, implying reduced tumor growth, was noted after TRNT. Conclusion We successfully synthesized 131I-5-IPN, which presents long-time retention in melanotic melanoma. TRNT with 131I-5-IPN has the potential to be a safe and effective strategy for management of pigmented melanoma.
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Affiliation(s)
- Xiaodong Xu
- Department of Nuclear Medicine, Wuhan Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, No. 1277 Jiefang Ave, Wuhan, 430022, Hubei Province, China.,Hubei Key Laboratory of Molecular Imaging, Wuhan, 430022, China
| | - Lujie Yuan
- Department of Nuclear Medicine, Wuhan Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, No. 1277 Jiefang Ave, Wuhan, 430022, Hubei Province, China.,Hubei Key Laboratory of Molecular Imaging, Wuhan, 430022, China
| | - Yongkang Gai
- Department of Nuclear Medicine, Wuhan Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, No. 1277 Jiefang Ave, Wuhan, 430022, Hubei Province, China.,Hubei Key Laboratory of Molecular Imaging, Wuhan, 430022, China
| | - Qingyao Liu
- Department of Nuclear Medicine, Wuhan Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, No. 1277 Jiefang Ave, Wuhan, 430022, Hubei Province, China.,Hubei Key Laboratory of Molecular Imaging, Wuhan, 430022, China
| | - Lianglan Yin
- Department of Nuclear Medicine, Wuhan Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, No. 1277 Jiefang Ave, Wuhan, 430022, Hubei Province, China.,Hubei Key Laboratory of Molecular Imaging, Wuhan, 430022, China
| | - Yaqun Jiang
- Department of Nuclear Medicine, Wuhan Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, No. 1277 Jiefang Ave, Wuhan, 430022, Hubei Province, China.,Hubei Key Laboratory of Molecular Imaging, Wuhan, 430022, China
| | - Yichun Wang
- Department of Nuclear Medicine, Wuhan Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, No. 1277 Jiefang Ave, Wuhan, 430022, Hubei Province, China.,Hubei Key Laboratory of Molecular Imaging, Wuhan, 430022, China
| | - Yongxue Zhang
- Department of Nuclear Medicine, Wuhan Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, No. 1277 Jiefang Ave, Wuhan, 430022, Hubei Province, China.,Hubei Key Laboratory of Molecular Imaging, Wuhan, 430022, China
| | - Xiaoli Lan
- Department of Nuclear Medicine, Wuhan Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, No. 1277 Jiefang Ave, Wuhan, 430022, Hubei Province, China. .,Hubei Key Laboratory of Molecular Imaging, Wuhan, 430022, China.
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10
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Ma X, Wang S, Wang S, Liu D, Zhao X, Chen H, Kang F, Yang W, Wang J, Cheng Z. Biodistribution, Radiation Dosimetry, and Clinical Application of a Melanin-Targeted PET Probe, 18F-P3BZA, in Patients. J Nucl Med 2018; 60:16-22. [DOI: 10.2967/jnumed.118.209643] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2018] [Accepted: 05/23/2018] [Indexed: 01/22/2023] Open
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11
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PET/MR Imaging in Head and Neck Cancer: Current Applications and Future Directions. Magn Reson Imaging Clin N Am 2018; 26:167-178. [PMID: 29128003 DOI: 10.1016/j.mric.2017.08.010] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
Clinical PET/MR imaging is being implemented at institutions worldwide as part of the standard-of-care imaging for select oncology patients. This article focuses on oncologic applications of PET/MR imaging in cancers of the head and neck. Although current published literature is relatively sparse, the potential benefits of a hybrid modality of PET/MR imaging are discussed along with several possible areas of research. With the increasing number of PET/MR imaging scanners in clinical use and ongoing research, the role of PET/MR imaging in the management of head and neck cancer is likely to become more evident in the near future.
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12
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Wei W, Ehlerding EB, Lan X, Luo Q, Cai W. PET and SPECT imaging of melanoma: the state of the art. Eur J Nucl Med Mol Imaging 2018; 45:132-150. [PMID: 29085965 PMCID: PMC5700861 DOI: 10.1007/s00259-017-3839-5] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2017] [Accepted: 09/18/2017] [Indexed: 12/12/2022]
Abstract
Melanoma represents the most aggressive form of skin cancer, and its incidence continues to rise worldwide. 18F-FDG PET imaging has transformed diagnostic nuclear medicine and has become an essential component in the management of melanoma, but still has its drawbacks. With the rapid growth in the field of nuclear medicine and molecular imaging, a variety of promising probes that enable early diagnosis and detection of melanoma have been developed. The substantial preclinical success of melanin- and peptide-based probes has recently resulted in the translation of several radiotracers to clinical settings for noninvasive imaging and treatment of melanoma in humans. In this review, we focus on the latest developments in radiolabeled molecular imaging probes for melanoma in preclinical and clinical settings, and discuss the challenges and opportunities for future development.
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Affiliation(s)
- Weijun Wei
- Department of Nuclear Medicine, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, 600# Yishan Road, Shanghai, 200233, China
- Department of Radiology, University of Wisconsin-Madison, Room 7137, 1111 Highland Avenue, Madison, WI, 53705-2275, USA
| | - Emily B Ehlerding
- Department of Medical Physics, University of Wisconsin-Madison, Madison, WI, 53705, USA
| | - Xiaoli Lan
- Department of Nuclear Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology; Hubei Key Laboratory of Molecular Imaging, No. 1277 Jiefang Ave, Wuhan, 430022, China.
| | - Quanyong Luo
- Department of Nuclear Medicine, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, 600# Yishan Road, Shanghai, 200233, China.
| | - Weibo Cai
- Department of Radiology, University of Wisconsin-Madison, Room 7137, 1111 Highland Avenue, Madison, WI, 53705-2275, USA.
- Department of Medical Physics, University of Wisconsin-Madison, Madison, WI, 53705, USA.
- University of Wisconsin Carbone Cancer Center, Madison, WI, 53705, USA.
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13
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Xu X, Yuan L, Yin L, Jiang Y, Gai Y, Liu Q, Wang Y, Zhang Y, Lan X. Synthesis and Preclinical Evaluation of 18F-PEG 3-FPN for the Detection of Metastatic Pigmented Melanoma. Mol Pharm 2017; 14:3896-3905. [PMID: 29037039 DOI: 10.1021/acs.molpharmaceut.7b00607] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Although 18F-5-fluoro-N-(2-[diethylamino]ethyl)picolinamide (18F-5-FPN) is considered a promising radiopharmaceutical for PET imaging of melanoma, it accumulates at high concentrations in the liver. The aim in this research was to optimize the structure of 18F-5-FPN with triethylene glycol to reduce liver uptake as well as improve pharmacokinetics, and to evaluate its performance in detection of melanoma liver and lung metastases. 18F-PEG3-FPN was successfully prepared with a high radiolabeling yield (44.68% ± 5.99%) and radiochemical purity (>99%). The uptake of 18F-PEG3-FPN by pigmented B16F10 melanoma cells was significantly higher than that by amelanotic melanoma A375 cells. The binding to B16F10 cells could be blocked by excess 19F-PEG3-FPN. On small animal PET images, B16F10 tumors, but not A375 tumors, were clearly delineated after 18F-PEG3-FPN injection. More importantly, 18F-PEG3-FPN uptake by liver (2.27 ± 0.45 and 1.74 ± 0.35% ID/g, at 1 and 2 h) was significantly lower than that of 18F-5-FPN, and the lesions in lung and liver could be clearly detected by 18F-PEG3-FPN PET imaging in mouse models of pulmonary or hepatic metastases. Overall, we successfully synthesized 18F-PEG3-FPN, which has higher labeling efficacy and better in vivo pharmacokinetics along with lower liver uptake compared to 18F-5-FPN. This suggests 18F-PEG3-FPN as a candidate for pigmented melanoma liver and lung metastasis detection.
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Affiliation(s)
- Xiaodong Xu
- Department of Nuclear Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology , Wuhan 430022, China.,Hubei Key Laboratory of Molecular Imaging, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology , Wuhan 430022, China
| | - Lujie Yuan
- Department of Nuclear Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology , Wuhan 430022, China.,Hubei Key Laboratory of Molecular Imaging, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology , Wuhan 430022, China
| | - Lianglan Yin
- Department of Nuclear Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology , Wuhan 430022, China.,Hubei Key Laboratory of Molecular Imaging, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology , Wuhan 430022, China
| | - Yaqun Jiang
- Department of Nuclear Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology , Wuhan 430022, China.,Hubei Key Laboratory of Molecular Imaging, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology , Wuhan 430022, China
| | - Yongkang Gai
- Department of Nuclear Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology , Wuhan 430022, China.,Hubei Key Laboratory of Molecular Imaging, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology , Wuhan 430022, China
| | - Qingyao Liu
- Department of Nuclear Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology , Wuhan 430022, China.,Hubei Key Laboratory of Molecular Imaging, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology , Wuhan 430022, China
| | - Yichun Wang
- Department of Nuclear Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology , Wuhan 430022, China.,Hubei Key Laboratory of Molecular Imaging, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology , Wuhan 430022, China
| | - Yongxue Zhang
- Department of Nuclear Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology , Wuhan 430022, China.,Hubei Key Laboratory of Molecular Imaging, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology , Wuhan 430022, China
| | - Xiaoli Lan
- Department of Nuclear Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology , Wuhan 430022, China.,Hubei Key Laboratory of Molecular Imaging, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology , Wuhan 430022, China
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14
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Garg PK, Nazih R, Wu Y, Grinevich VP, Garg S. Selective targeting of melanoma using N-(2-diethylaminoethyl) 4-[ 18F]fluoroethoxy benzamide (4-[ 18F]FEBZA): a novel PET imaging probe. EJNMMI Res 2017; 7:61. [PMID: 28791653 PMCID: PMC5548701 DOI: 10.1186/s13550-017-0311-2] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2017] [Accepted: 07/25/2017] [Indexed: 02/04/2023] Open
Abstract
Background The purpose of this study was to develop a positron emission tomography (PET) imaging probe that is easy to synthesize and selectively targets melanoma in vivo. Herein, we report the synthesis and preclinical evaluation of N-(2-diethylaminoethyl) 4-[18F]Fluoroethoxy benzamide (4-[18F]FEBZA). A one-step synthesis was developed to prepare 4-[18F]FEBZA in high radiochemical yields and specific activity. The binding affinity, the in vitro binding, and internalization studies were performed using B16F1 melanoma cell line. The biodistribution studies were performed in C57BL/6 normal mice, C57BL/6 mice bearing B16F1 melanoma tumor xenografts, and nu/nu athymic mice bearing HT-29 human adenocarcinoma tumor and C-32 amelanotic melanoma tumor xenografts. MicroPET studies were performed in mice bearing B16F1 and HT-29 tumor xenografts. Results 4-[18F]FEBZA was prepared in 53 ± 14% radiochemical yields and a specific activity of 8.7 ± 1.1 Ci/μmol. The overall synthesis time for 4-[18F]FEBZA was 54 ± 7 min. The in vitro binding to B16F1 cells was 60.03 ± 0.48% after 1 h incubation at 37 °C. The in vivo biodistribution studies show a rapid and high uptake of F-18 in B16F1 tumor with 8.66 ± 1.02%IA/g in this tumor at 1 h. In contrast, the uptake at 1 h in HT-29 colorectal adenocarcinoma and C-32 amelanotic melanoma tumors was significantly lower with 3.68 ± 0.47%IA/g and 3.91 ± 0.23%IA/g in HT-29 and C-32 tumors, respectively. On microPET images, the melanoma tumor was clearly visible by 10 min post-injection and the intensity in the tumor continued to increase with time. In contrast, the HT-29 tumor was not visible on the microPET scans. Conclusions A rapid and facile synthesis of 4-[18F]FEBZA is developed. This method offers a reliable production of 4-[18F]FEBZA in high radiochemical yields and specific activity. A high binding affinity to melanoma cells and high uptake in tumor was noted. The microPET scan clearly delineates the melanoma tumor by 10 min post-injection. The results from these preclinical studies support the potential of 4-[18F]FEBZA as an effective probe to image melanoma.
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Affiliation(s)
- Pradeep K Garg
- Wake Forest University Health Sciences, Winston Salem, NC, USA. .,Center for Molecular Imaging and Therapy, Biomedical Research Foundation, 1505 Kings Highway, Shreveport, LA, 71133, USA.
| | - Rachid Nazih
- Wake Forest University Health Sciences, Winston Salem, NC, USA.,Center for Molecular Imaging and Therapy, Biomedical Research Foundation, 1505 Kings Highway, Shreveport, LA, 71133, USA
| | - Yanjun Wu
- Center for Molecular Imaging and Therapy, Biomedical Research Foundation, 1505 Kings Highway, Shreveport, LA, 71133, USA
| | - Vladimir P Grinevich
- Current Address: Asinex Corporation, 10 N. Chestnut Street, St 104, Winston Salem, NC, 27101, USA
| | - Sudha Garg
- Wake Forest University Health Sciences, Winston Salem, NC, USA.,Center for Molecular Imaging and Therapy, Biomedical Research Foundation, 1505 Kings Highway, Shreveport, LA, 71133, USA
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