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Kálmán-Szabó I, Képes Z, Fekete A, Vágner A, Nagy G, Szücs D, Gyuricza B, Arató V, Varga J, Kárpáti L, Garai I, Mándity I, Bruchertseifer F, Elek J, Szikra D, Trencsényi G. In Vivo evaluation of newly synthesized 213Bi-conjugated alpha-melanocyte stimulating hormone (α-MSH) peptide analogues in melanocortin-1 receptor (MC1-R) positive experimental melanoma model. J Pharm Biomed Anal 2023; 229:115374. [PMID: 37001274 DOI: 10.1016/j.jpba.2023.115374] [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: 01/30/2023] [Revised: 03/27/2023] [Accepted: 03/27/2023] [Indexed: 03/30/2023]
Abstract
Given the rising pervasiveness of melanocortin-1 receptor (MC1-R) positive melanoma malignum (MM) and pertinent metastases, radiolabelled receptor-affine alpha-melanocyte stimulating hormone-analogue (α-MSH analogue) imaging probes would be of crucial importance in timely tumor diagnostic assessment. Herein we aimed at investigating the biodistribution and the MM targeting potential of newly synthesized 213Bi-conjugated MC1-R specific peptide-based radioligands with the establishment of MC1-R overexpressing MM preclinical model. DOTA-conjugated NAP, -HOLD, -FOLD, -and MARSamide were labelled with 213Bi. Ex vivo biodistribution studies were conducted post-administration of 3.81 ± 0.32 MBq [213Bi]Bi-DOTA conjugated deriva-tives into twenty B16-F10 tumor-bearing C57BL/6 J and healthy mice. Organ Level Internal Dose Assessment (OLINDA) and IDAC-Dose were used to calculate translational data-based absorbed radiation dose in human organs. Moderate or low %ID/g uptake of [213Bi]Bi-DOTA conjugated NAP, -HOLD, -and MARSamide and significantly increased [213Bi]Bi-DOTA-FOLDamide accumulation was observed in the thoracic and abdominal organs (p ≤ 0.01). High [213Bi]Bi-DOTA-NAP (%ID/g:3.76 ± 0.96), -and FOLDamide (%ID/g:3.28 ± 0.95) tumor tracer activity confirmed their MC1-R-affinity. The bladder wall received the highest radiation absorbed dose followed by the kidneys (bladder wall: 1.95·10-2 and 8.97·10-2 mSv/MBq; kidneys: 7.47·10-3 vs. 5.88·10-2 mSv/MBq measured by IDAC and OLINDA; respectively) indicating the suitability of the NAPamide derivative for clinical use. These novel [213Bi]Bi-DOTA-linked peptide probes displaying meaningful MC1-R affinity could be promising molecular probes in MM imaging.
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Affiliation(s)
- Ibolya Kálmán-Szabó
- Division of Nuclear Medicine and Translational Imaging, Department of Medical Imaging, Faculty of Medicine, University of Debrecen, Nagyerdei St. 98, H-4032 Debrecen, Hungary; Gyula Petrányi Doctoral School of Clinical Immunology and Allergology, Faculty of Medicine, 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.
| | - Anikó Fekete
- Division of Nuclear Medicine and Translational Imaging, Department of Medical Imaging, Faculty of Medicine, University of Debrecen, Nagyerdei St. 98, H-4032 Debrecen, Hungary
| | - Adrienn Vágner
- Scanomed Ltd., Debrecen, Nagyerdei St. 98, H-4032 Debrecen, Hungary
| | - Gábor Nagy
- Scanomed Ltd., Debrecen, Nagyerdei St. 98, H-4032 Debrecen, Hungary
| | - Dániel Szücs
- Division of Nuclear Medicine and Translational Imaging, Department of Medical Imaging, Faculty of Medicine, University of Debrecen, Nagyerdei St. 98, H-4032 Debrecen, Hungary; Department of Physical Chemistry, Faculty of Science and Technology, University of Debrecen, Egyetem square 1, H-4032 Debrecen, Hungary; Doctoral School of Chemistry, Faculty of Science and Technology, University of Debrecen, Egyetem square 1, H-4032 Debrecen, Hungary
| | - Barbara Gyuricza
- Division of Nuclear Medicine and Translational Imaging, Department of Medical Imaging, Faculty of Medicine, University of Debrecen, Nagyerdei St. 98, H-4032 Debrecen, Hungary; Doctoral School of Chemistry, Faculty of Science and Technology, University of Debrecen, Egyetem square 1, H-4032 Debrecen, Hungary
| | - Viktória Arató
- Division of Nuclear Medicine and Translational Imaging, Department of Medical Imaging, Faculty of Medicine, University of Debrecen, Nagyerdei St. 98, H-4032 Debrecen, Hungary; Doctoral School of Pharmaceutical Sciences, University of Debrecen, Nagyerdei St. 98, H-4032 Debrecen, Hungary
| | - József Varga
- Division of Nuclear Medicine and Translational Imaging, Department of Medical Imaging, Faculty of Medicine, University of Debrecen, Nagyerdei St. 98, H-4032 Debrecen, Hungary
| | - Levente Kárpáti
- Department of Organic Chemistry, Faculty of Pharmacy, Semmelweis University, Hőgyes Endre St. 7, H-1092 Budapest, Hungary
| | - Ildikó Garai
- Division of Nuclear Medicine and Translational Imaging, Department of Medical Imaging, Faculty of Medicine, University of Debrecen, Nagyerdei St. 98, H-4032 Debrecen, Hungary; Scanomed Ltd., Debrecen, Nagyerdei St. 98, H-4032 Debrecen, Hungary
| | - István Mándity
- Department of Organic Chemistry, Faculty of Pharmacy, Semmelweis University, Hőgyes Endre St. 7, H-1092 Budapest, Hungary; Artificial Transporters Research Group, Research Centre for Natural Sciences, Magyar tudósok boulevard 2, H-1117 Budapest, Hungary
| | | | - János Elek
- Department of Inorganic and Analytical Chemistry, University of Debrecen, Nagyerdei St. 98, H-4032 Debrecen, Hungary; Science Port Ltd., Debrecen, Elek St. 166, H-4225 Debrecen, Hungary
| | - Dezs Szikra
- Division of Nuclear Medicine and Translational Imaging, Department of Medical Imaging, Faculty of Medicine, University of Debrecen, Nagyerdei St. 98, H-4032 Debrecen, Hungary
| | - 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; Gyula Petrányi Doctoral School of Clinical Immunology and Allergology, Faculty of Medicine, University of Debrecen, Nagyerdei St. 98, H-4032 Debrecen, Hungary
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Horváth D, Vágner A, Szikra D, Trencsényi G, Demitri N, Guidolin N, Maiocchi A, Ghiani S, Travagin F, Giovenzana GB, Baranyai Z. Boosting Bismuth(III) Complexation for Targeted α-Therapy (TAT) Applications with the Mesocyclic Chelating Agent AAZTA. Angew Chem Int Ed Engl 2022; 61:e202207120. [PMID: 36073561 PMCID: PMC9828418 DOI: 10.1002/anie.202207120] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2022] [Indexed: 01/12/2023]
Abstract
Targeted α therapy (TAT) is a promising tool in the therapy of cancer. The radionuclide 213 BiIII shows favourable physical properties for this application, but the fast and stable chelation of this metal ion remains challenging. Herein, we demonstrate that the mesocyclic chelator AAZTA quickly coordinates BiIII at room temperature, leading to a robust complex. A comprehensive study of the structural, thermodynamic and kinetic properties of [Bi(AAZTA)]- is reported, along with bifunctional [Bi(AAZTA-C4-COO- )]2- and the targeted agent [Bi(AAZTA-C4-TATE)]- , which incorporates the SSR agonist Tyr3 -octreotate. An unexpected increase in the stability and kinetic inertness of the metal chelate was observed for the bifunctional derivative and was maintained for the peptide conjugate. A cyclotron-produced 205/206 Bi mixture was used as a model of 213 Bi in labelling, stability, and biodistribution experiments, allowing the efficiency of [213 Bi(AAZTA-C4-TATE)]- to be estimated. High accumulation in AR42J tumours and reduced kidney uptake were observed with respect to the macrocyclic chelate [213 Bi(DOTA-TATE)]- .
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Affiliation(s)
- Dávid Horváth
- Department of Physical ChemistryUniversity of DebrecenEgyetem tér 14010DebrecenHungary
| | | | - Dezsö Szikra
- Scanomed Ltd.Nagyerdei Krt. 984032DebrecenHungary,Medical Imaging ClinicUniversity of DebrecenNagyerdei krt. 984032DebrecenHungary
| | - György Trencsényi
- Scanomed Ltd.Nagyerdei Krt. 984032DebrecenHungary,Medical Imaging ClinicUniversity of DebrecenNagyerdei krt. 984032DebrecenHungary
| | - Nicola Demitri
- Elettra-Sincrotrone TriesteS.S. 14 Km 163.5 in Area Science Park34149Basovizza (TS)Italy
| | - Nicol Guidolin
- Bracco Imaging SpaBracco Research CentreVia Ribes 510010Colleretto Giacosa (TO)Italy
| | - Alessandro Maiocchi
- Bracco Imaging SpaBracco Research CentreVia Ribes 510010Colleretto Giacosa (TO)Italy
| | - Simona Ghiani
- Bracco Imaging SpaBracco Research CentreVia Ribes 510010Colleretto Giacosa (TO)Italy
| | - Fabio Travagin
- Dipartimento di Scienze del FarmacoUniversità del Piemonte OrientaleLargo Donegani 2/328100NovaraItaly
| | - Giovanni B. Giovenzana
- Dipartimento di Scienze del FarmacoUniversità del Piemonte OrientaleLargo Donegani 2/328100NovaraItaly
| | - Zsolt Baranyai
- Bracco Imaging SpaBracco Research CentreVia Ribes 510010Colleretto Giacosa (TO)Italy
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Dresow B, Nielsen P, Fischer R, Wendel J, Gabbe EE, Heinrich HC. Bioavailability of bismuth from 205Bi-labelled pharmaceutical oral Bi-preparations in rats. Arch Toxicol 1991; 65:646-50. [PMID: 1747063 DOI: 10.1007/bf02098030] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
The bioavailability of 205Bi from various 205Bi-labelled pharmaceutical oral bismuth preparations was studied in rats. The intestinal absorption, calculated from 205Bi whole body retention and accumulated 205Bi urinary excretion, was small in general, but significantly higher (0.26-0.33% of dose) from oral bismuth citrates (basic bismuth citrate, colloidal bismuth subcitrate) as compared to basic bismuth nitrate, salicylate, gallate, and bismuth aluminate (0.04-0.11% of dose). After oral administration, the retained bismuth was mainly accumulated in the kidney, followed by bone, red blood cells and the lung. The whole body retention, faecal and urinary excretions of 205Bi were described by a three-compartment model. Biological 205Bi half-lives of 10, 36 and 295 h were derived in rats.
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Affiliation(s)
- B Dresow
- Abteilung für Medizinische Biochemie, Universitätskrankenhaus Eppendorf, Hamburg, FRG
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