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Zhang J, Dai L, He L, Bhattarai A, Chan CM, Tai WCS, Vardhanabhuti V, Law GL. Design and synthesis of chiral DOTA-based MRI contrast agents with remarkable relaxivities. Commun Chem 2023; 6:251. [PMID: 37973896 PMCID: PMC10654417 DOI: 10.1038/s42004-023-01050-w] [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: 01/24/2023] [Accepted: 11/03/2023] [Indexed: 11/19/2023] Open
Abstract
Due to the adverse effects of de-metallation in past concerning FDA-approved gadolinium-based contrast agents (GBCAs), researchers have been focusing on developing safer and more efficient alternatives that could avoid toxicity caused by free gadolinium ions. Herein, two chiral GBCAs, Gd-LS with sulfonate groups and Gd-T with hydroxyl groups, are reported as potential candidates for magnetic reasonance imaging (MRI). The r1 relaxivities of TSAP, SAP isomers of Gd-LS and SAP isomer of Gd-T at 1.4 T, 37 °C in water are 7.4 mM-1s-1, 14.5 mM-1s-1 and 5.2 mM-1s-1, respectively. Results show that the hydrophilic functional groups introduced to the chiral macrocyclic scaffold of Gd-T and Gd-LS both give constructive influences on the second-sphere relaxivity and enhance the overall r1 value. Both cases indicate that the design of GBCAs should also focus on the optimal window in Solomon-Bloembergen-Morgan (SBM) theory and the effects caused by the second-sphere and outer-sphere relaxivity.
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Affiliation(s)
- Junhui Zhang
- State Key Laboratory of Chemical Biology and Drug Discovery, Department of Applied Biology and Chemical Technology, The Hong Kong Polytechnic University, Hung Hom, Hong Kong SAR, China
| | - Lixiong Dai
- State Key Laboratory of Chemical Biology and Drug Discovery, Department of Applied Biology and Chemical Technology, The Hong Kong Polytechnic University, Hung Hom, Hong Kong SAR, China
- The Hong Kong Polytechnic University Shenzhen Research Institute, Shenzhen, 518000, China
| | - Li He
- State Key Laboratory of Chemical Biology and Drug Discovery, Department of Applied Biology and Chemical Technology, The Hong Kong Polytechnic University, Hung Hom, Hong Kong SAR, China
| | - Abhisek Bhattarai
- Department of Diagnostic Radiology, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong SAR, China
| | - Chun-Ming Chan
- State Key Laboratory of Chemical Biology and Drug Discovery, Department of Applied Biology and Chemical Technology, The Hong Kong Polytechnic University, Hung Hom, Hong Kong SAR, China
| | - William Chi-Shing Tai
- State Key Laboratory of Chemical Biology and Drug Discovery, Department of Applied Biology and Chemical Technology, The Hong Kong Polytechnic University, Hung Hom, Hong Kong SAR, China
| | - Varut Vardhanabhuti
- Department of Diagnostic Radiology, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong SAR, China
| | - Ga-Lai Law
- State Key Laboratory of Chemical Biology and Drug Discovery, Department of Applied Biology and Chemical Technology, The Hong Kong Polytechnic University, Hung Hom, Hong Kong SAR, China.
- The Hong Kong Polytechnic University Shenzhen Research Institute, Shenzhen, 518000, China.
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Fe-HBED Analogs: A Promising Class of Iron-Chelate Contrast Agents for Magnetic Resonance Imaging. CONTRAST MEDIA & MOLECULAR IMAGING 2019; 2019:8356931. [PMID: 31969797 PMCID: PMC6961518 DOI: 10.1155/2019/8356931] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/20/2019] [Accepted: 11/21/2019] [Indexed: 12/26/2022]
Abstract
Contrast-enhanced magnetic resonance imaging is an essential tool for disease diagnosis and management; all marketed clinical magnetic resonance imaging (MRI) contrast agents (CAs) are gadolinium (Gd) chelates and most are extracellular fluid (ECF) agents. After intravenous injection, these agents rapidly distribute to the extracellular space and are also characterized by low serum protein binding and predominant renal clearance. Gd is an abiotic element with no biological recycling processes; low levels of Gd have been detected in the central nervous system and bone long after administration. These observations have prompted interest in the development of new MRI contrast agents based on biotic elements such as iron (Fe); Fe-HBED (HBED = N,N′-bis(2-hydroxyphenyl)ethylenediamine-N,N′-diacetic acid), a coordinatively saturated iron chelate, is an attractive MRI CA platform suitable for modification to adjust relaxivity and biodistribution. Compared to the parent Fe-HBED, the Fe-HBED analogs reported here have lower serum protein binding and higher relaxivity as well as lower relative liver enhancement in mice, comparable to that of a representative gadolinium-based contrast agent (GBCA). Fe-HBED analogs are therefore a promising class of non-Gd ECF MRI CA.
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Application of Heteronuclear NMR Spectroscopy to Bioinorganic and Medicinal Chemistry ☆. REFERENCE MODULE IN CHEMISTRY, MOLECULAR SCIENCES AND CHEMICAL ENGINEERING 2018. [PMCID: PMC7157447 DOI: 10.1016/b978-0-12-409547-2.10947-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Giovenzana GB, Lattuada L, Negri R. Recent Advances in Bifunctional Paramagnetic Chelates for MRI. Isr J Chem 2017. [DOI: 10.1002/ijch.201700028] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Giovanni B. Giovenzana
- Dipartimento di Scienze del Farmaco; Università del Piemonte Orientale “A. Avogadro”; L.go Donegani 2/3 I-28100 Novara Italy
| | - Luciano Lattuada
- Bracco Imaging SpA, Bracco Research Centre; Via Ribes 5 I-10010 Colleretto Giacosa TO, Italy
| | - Roberto Negri
- Dipartimento di Scienze del Farmaco; Università del Piemonte Orientale “A. Avogadro”; L.go Donegani 2/3 I-28100 Novara Italy
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Kang JS, Leung KT, Cho HK, Kang JG, Sohn Y. Luminescence and Magnetic Properties of Tb(III) Complexes with TETA and Synergistic Effect by 1,10-Phenanthroline. B KOREAN CHEM SOC 2016. [DOI: 10.1002/bkcs.10889] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Affiliation(s)
- Jung-Soo Kang
- WATLab and Department of Chemistry; University of Waterloo; Waterloo Ontario N2L 3G1 Canada
| | - Kam Tong Leung
- WATLab and Department of Chemistry; University of Waterloo; Waterloo Ontario N2L 3G1 Canada
| | - Hyung-Kook Cho
- Department of Chemistry; Chungnam National University; Daejeon 34134 Republic of Korea
| | - Jun-Gill Kang
- Department of Chemistry; Chungnam National University; Daejeon 34134 Republic of Korea
- ReSEAT Program; Korea Institute Science and Technology Information; Daejeon 34141 Republic of Korea
| | - Youngku Sohn
- Department of Chemistry; Yeungnam University; Gyeongsan 38541 Republic of Korea
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