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Bykhovskaya OV, Kudryavtsev IY, Baulina TV, Pasechnik MP, Vologzhanina AV, Matveeva AG, Moiseeva AA, Brel VK. Unsymmetrical Tripodal Phosphine Oxide with Triazole Groups: Synthesis and Molecular Structure. RUSS J GEN CHEM+ 2022. [DOI: 10.1134/s1070363222080084] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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Si G, Hapuarachchige S, Artemov D. Ultrasmall Superparamagnetic Iron Oxide Nanoparticles as Nanocarriers for Magnetic Resonance Imaging: Development and In Vivo Characterization. ACS APPLIED NANO MATERIALS 2022; 5:9625-9632. [PMID: 37139481 PMCID: PMC10153628 DOI: 10.1021/acsanm.2c01835] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/05/2023]
Abstract
Ultrasmall superparamagnetic iron oxide nanoparticles (uSPIOs) are attractive platforms for the development of smart contrast agents for magnetic resonance imaging (MRI). Oleic acid-capped uSPIOs are commercially available yet hydrophobic, hindering in vivo applications. A hydrophilic ligand with high affinity toward uSPIO surfaces can render uSPIOs water-soluble, biocompatible, and highly stable under physiological conditions. A small overall hydrodynamic diameter ensures optimal pharmacokinetics, tumor delivery profiles, and, of particular interest, enhanced T 1 MR contrasts. In this study, for the first time, we synthesized a ligand that not only fulfills the as-proposed properties but also provides multiple reactive groups for further modifications. The synthesis delivers a facile approach using commercially available reactants, with resultant uSPIO-ligand constructs assembled through a single-step ligand exchange process. Structural and molecular size analyses confirmed size uniformity and small hydrodynamic diameter of the constructs. On average, 43 reactive amine groups were present per uSPIO nanoparticle. Its r 1 relaxivity has been tested on a 7 Tesla MR instrument and is comparable to that of the clinically available T 1 gadolinium-based contrast agent GBCA (1 vs 3 mM-1 s-1, respectively). A significant decrease in tumor T1 (15%) within 1 h of injection and complete signal recovery after 2 h were detected with a dose of 7 μg Fe/g mouse. The agent also has high r 2 relaxivity and can be used for T 2 contrast-enhanced MRI. Taken together, good relaxation and delivery properties and the presence of multiple surface reactive groups can facilitate its application as a universal MRI-compatible nanocarrier platform.
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Affiliation(s)
- Ge Si
- Department of Chemical and Biomolecular Engineering, The Johns Hopkins University, Baltimore, Maryland 21218, United States; The Russell H. Morgan Department of Radiology and Radiological Science, School of Medicine, The Johns Hopkins University, Baltimore, Maryland 21205, United States
| | - Sudath Hapuarachchige
- The Russell H. Morgan Department of Radiology and Radiological Science, School of Medicine, The Johns Hopkins University, Baltimore, Maryland 21205, United States; Department of Oncology, the Sidney Kimmel Comprehensive Cancer Center, School of Medicine, The Johns Hopkins University, Baltimore, Maryland 21287, United States
| | - Dmitri Artemov
- The Russell H. Morgan Department of Radiology and Radiological Science, School of Medicine, The Johns Hopkins University, Baltimore, Maryland 21205, United States; Department of Oncology, the Sidney Kimmel Comprehensive Cancer Center, School of Medicine, The Johns Hopkins University, Baltimore, Maryland 21287, United States
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Kaur J, Saxena M, Rishi N. An Overview of Recent Advances in Biomedical Applications of Click Chemistry. Bioconjug Chem 2021; 32:1455-1471. [PMID: 34319077 DOI: 10.1021/acs.bioconjchem.1c00247] [Citation(s) in RCA: 65] [Impact Index Per Article: 21.7] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Cu(I)-catalyzed azide-alkyne cycloaddition (CuAAC) is a modular and bio-orthogonal approach that is being adopted for the efficient synthesis of organic and bioorganic compounds. It leads to the selective formation of 1,4-disubstituted 1,2,3-triazole units connecting readily accessible building blocks via a stable and biocompatible linkage. The vast array of the bioconjugation applications of click chemistry has been attributed to its fast reaction kinetics, quantitative yields, minimal byproducts, and high chemospecificity and regioselectivity. These combined advantages make click reactions quite suitable for the lead identification and the development of pharmaceutical agents in the fields of medicinal chemistry and drug discovery. In this review, we have outlined the key aspects, the mechanistic details and merits and demerits of the click reaction. In addition, we have also discussed the recent pharmaceutical applications of click chemistry, ranging from the development of anticancer, antibacterial, and antiviral agents to that of biomedical imaging agents and clinical therapeutics.
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Affiliation(s)
- Jasleen Kaur
- Amity Institute of Virology and Immunology, Amity University, Noida 201313, Uttar Pradesh, India
| | - Mokshika Saxena
- Amity Institute of Virology and Immunology, Amity University, Noida 201313, Uttar Pradesh, India
| | - Narayan Rishi
- Amity Institute of Virology and Immunology, Amity University, Noida 201313, Uttar Pradesh, India
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Fu Q, Li Z, Fu F, Chen X, Song J, Yang H. Stimuli-Responsive Plasmonic Assemblies and Their Biomedical Applications. NANO TODAY 2021; 36:101014. [PMID: 33250931 PMCID: PMC7687854 DOI: 10.1016/j.nantod.2020.101014] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/03/2023]
Abstract
Among the diverse development of stimuli-responsive assemblies, plasmonic nanoparticle (NP) assemblies functionalized with responsive molecules are of a major interest. In this review, we outline a comprehensive and up-to-date overview of recently reported studies on in vitro and in vivo assembly/disassembly and biomedical applications of plasmonic NPs, wherein stimuli such as enzymes, light, pH, redox potential, temperature, metal ions, magnetic or electric field, and/or multi-stimuli were involved. Stimuli-responsive assemblies have been applied in various biomedical fields including biosensors, surfaced-enhanced Raman scattering (SERS), photoacoustic (PA) imaging, multimodal imaging, photo-activated therapy, enhanced X-ray therapy, drug release, stimuli-responsive aggregation-induced cancer therapy, and so on. The perspectives on the use of stimuli-responsive plasmonic assemblies are discussed by addressing future scientific challenges involving assembly/disassembly strategies and applications.
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Affiliation(s)
- Qinrui Fu
- MOE key laboratory for analytical science of food safety and biology, College of Chemistry, Fuzhou University, Fuzhou 350108, China
| | - Zhi Li
- MOE key laboratory for analytical science of food safety and biology, College of Chemistry, Fuzhou University, Fuzhou 350108, China
| | - Fengfu Fu
- MOE key laboratory for analytical science of food safety and biology, College of Chemistry, Fuzhou University, Fuzhou 350108, China
| | - Xiaoyuan Chen
- Laboratory of Molecular Imaging and Nanomedicine (LOMIN), National Institute of Biomedical Imaging and Bioengineering (NIBIB), National Institutes of Health (NIH), Bethesda, Maryland 20892, United States
| | - Jibin Song
- MOE key laboratory for analytical science of food safety and biology, College of Chemistry, Fuzhou University, Fuzhou 350108, China
| | - Huanghao Yang
- MOE key laboratory for analytical science of food safety and biology, College of Chemistry, Fuzhou University, Fuzhou 350108, China
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Abstract
Genetic code expansion is one of the most powerful technologies in protein engineering. In addition to the 20 canonical amino acids, the expanded genetic code is supplemented by unnatural amino acids, which have artificial side chains that can be introduced into target proteins in vitro and in vivo. A wide range of chemical groups have been incorporated co-translationally into proteins in single cells and multicellular organisms by using genetic code expansion. Incorporated unnatural amino acids have been used for novel structure-function relationship studies, bioorthogonal labelling of proteins in cellulo for microscopy and in vivo for tissue-specific proteomics, the introduction of post-translational modifications and optical control of protein function, to name a few examples. In this Minireview, the development of genetic code expansion technology is briefly introduced, then its applications in neurobiology are discussed, with a focus on studies using mammalian cells and mice as model organisms.
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Affiliation(s)
- Ivana Nikić‐Spiegel
- Werner Reichardt Centre for Integrative NeuroscienceUniversity of TübingenOtfried-Müller-Strasse 2572076TübingenGermany
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6
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Böhmer VI, Szymanski W, van den Berg K, Mulder C, Kobauri P, Helbert H, van der Born D, Reeβing F, Huizing A, Klopstra M, Samplonius DF, Antunes IF, Sijbesma JWA, Luurtsema G, Helfrich W, Visser TJ, Feringa BL, Elsinga PH. Modular Medical Imaging Agents Based on Azide-Alkyne Huisgen Cycloadditions: Synthesis and Pre-Clinical Evaluation of 18 F-Labeled PSMA-Tracers for Prostate Cancer Imaging. Chemistry 2020; 26:10871-10881. [PMID: 32315486 PMCID: PMC7496508 DOI: 10.1002/chem.202001795] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2020] [Indexed: 01/24/2023]
Abstract
Since the seminal contribution of Rolf Huisgen to develop the [3+2] cycloaddition of 1,3-dipolar compounds, its azide-alkyne variant has established itself as the key step in numerous organic syntheses and bioorthogonal processes in materials science and chemical biology. In the present study, the copper(I)-catalyzed azide-alkyne cycloaddition was applied for the development of a modular molecular platform for medical imaging of the prostate-specific membrane antigen (PSMA), using positron emission tomography. This process is shown from molecular design, through synthesis automation and in vitro studies, all the way to pre-clinical in vivo evaluation of fluorine-18- labeled PSMA-targeting 'F-PSMA-MIC' radiotracers (t1/2 =109.7 min). Pre-clinical data indicate that the modular PSMA-scaffold has similar binding affinity and imaging properties to the clinically used [68 Ga]PSMA-11. Furthermore, we demonstrated that targeting the arene-binding in PSMA, facilitated through the [3+2]cycloaddition, can improve binding affinity, which was rationalized by molecular modeling. The here presented PSMA-binding scaffold potentially facilitates easy coupling to other medical imaging moieties, enabling future developments of new modular imaging agents.
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Affiliation(s)
- Verena I. Böhmer
- Department of Nuclear Medicine and Molecular ImagingDepartment of RadiologyDepartment of Surgical OncologyUniversity of GroningenUniversity Medical Center GroningenHanzeplein 19713 GZGroningenThe Netherlands
- Stratingh Institute for ChemistryUniversity of GroningenNijenborgh 49747 AFGroningenThe Netherlands
| | - Wiktor Szymanski
- Department of Nuclear Medicine and Molecular ImagingDepartment of RadiologyDepartment of Surgical OncologyUniversity of GroningenUniversity Medical Center GroningenHanzeplein 19713 GZGroningenThe Netherlands
- Stratingh Institute for ChemistryUniversity of GroningenNijenborgh 49747 AFGroningenThe Netherlands
| | - Keimpe‐Oeds van den Berg
- Department of Nuclear Medicine and Molecular ImagingDepartment of RadiologyDepartment of Surgical OncologyUniversity of GroningenUniversity Medical Center GroningenHanzeplein 19713 GZGroningenThe Netherlands
| | - Chantal Mulder
- Department of Nuclear Medicine and Molecular ImagingDepartment of RadiologyDepartment of Surgical OncologyUniversity of GroningenUniversity Medical Center GroningenHanzeplein 19713 GZGroningenThe Netherlands
| | - Piermichele Kobauri
- Stratingh Institute for ChemistryUniversity of GroningenNijenborgh 49747 AFGroningenThe Netherlands
| | - Hugo Helbert
- Department of Nuclear Medicine and Molecular ImagingDepartment of RadiologyDepartment of Surgical OncologyUniversity of GroningenUniversity Medical Center GroningenHanzeplein 19713 GZGroningenThe Netherlands
- Stratingh Institute for ChemistryUniversity of GroningenNijenborgh 49747 AFGroningenThe Netherlands
| | | | - Friederike Reeβing
- Department of Nuclear Medicine and Molecular ImagingDepartment of RadiologyDepartment of Surgical OncologyUniversity of GroningenUniversity Medical Center GroningenHanzeplein 19713 GZGroningenThe Netherlands
- Stratingh Institute for ChemistryUniversity of GroningenNijenborgh 49747 AFGroningenThe Netherlands
| | - Anja Huizing
- Department of Nuclear Medicine and Molecular ImagingDepartment of RadiologyDepartment of Surgical OncologyUniversity of GroningenUniversity Medical Center GroningenHanzeplein 19713 GZGroningenThe Netherlands
- Stratingh Institute for ChemistryUniversity of GroningenNijenborgh 49747 AFGroningenThe Netherlands
| | | | - Douwe F. Samplonius
- Department of Nuclear Medicine and Molecular ImagingDepartment of RadiologyDepartment of Surgical OncologyUniversity of GroningenUniversity Medical Center GroningenHanzeplein 19713 GZGroningenThe Netherlands
| | - Ines F. Antunes
- Department of Nuclear Medicine and Molecular ImagingDepartment of RadiologyDepartment of Surgical OncologyUniversity of GroningenUniversity Medical Center GroningenHanzeplein 19713 GZGroningenThe Netherlands
| | - Jürgen W. A. Sijbesma
- Department of Nuclear Medicine and Molecular ImagingDepartment of RadiologyDepartment of Surgical OncologyUniversity of GroningenUniversity Medical Center GroningenHanzeplein 19713 GZGroningenThe Netherlands
| | - Gert Luurtsema
- Department of Nuclear Medicine and Molecular ImagingDepartment of RadiologyDepartment of Surgical OncologyUniversity of GroningenUniversity Medical Center GroningenHanzeplein 19713 GZGroningenThe Netherlands
| | - Wijnand Helfrich
- Department of Nuclear Medicine and Molecular ImagingDepartment of RadiologyDepartment of Surgical OncologyUniversity of GroningenUniversity Medical Center GroningenHanzeplein 19713 GZGroningenThe Netherlands
| | | | - Ben L. Feringa
- Stratingh Institute for ChemistryUniversity of GroningenNijenborgh 49747 AFGroningenThe Netherlands
| | - Philip H. Elsinga
- Department of Nuclear Medicine and Molecular ImagingDepartment of RadiologyDepartment of Surgical OncologyUniversity of GroningenUniversity Medical Center GroningenHanzeplein 19713 GZGroningenThe Netherlands
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Lueckgen A, Garske DS, Ellinghaus A, Desai RM, Stafford AG, Mooney DJ, Duda GN, Cipitria A. Hydrolytically-degradable click-crosslinked alginate hydrogels. Biomaterials 2018; 181:189-198. [PMID: 30086448 DOI: 10.1016/j.biomaterials.2018.07.031] [Citation(s) in RCA: 58] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2018] [Revised: 07/19/2018] [Accepted: 07/19/2018] [Indexed: 12/30/2022]
Abstract
Degradable biomaterials aim to recapitulate the dynamic microenvironment that cells are naturally exposed to. By oxidizing the alginate polymer backbone, thereby rendering it susceptible to hydrolysis, and crosslinking it via norbornene-tetrazine click chemistry, we can control rheological, mechanical, and degradation properties of resulting hydrogels. Chemical modifications were confirmed by nuclear magnetic resonance (NMR) and the resulting mechanical properties measured by rheology and unconfined compression testing, demonstrating that these are both a function of norbornene coupling and oxidation state. The degradation behavior was verified by tracking mechanical and swelling behavior over time, showing that degradation could be decoupled from initial mechanical properties. The cell compatibility was assessed in 2D and 3D using a mouse pre-osteoblast cell line and testing morphology, proliferation, and viability. Cells attached, spread and proliferated in 2D and retained a round morphology and stable number in 3D, while maintaining high viability in both contexts over 7 days. Finally, oxidized and unoxidized control materials were implanted subcutaneously into the backs of C57/Bl6 mice, and recovered after 8 weeks. Histological staining revealed morphological differences and fibrous tissue infiltration only in oxidized materials. These materials with tunable and decoupled mechanical and degradation behavior could be useful in many tissue engineering applications.
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Affiliation(s)
- Aline Lueckgen
- Julius Wolff Institute & Center for Musculoskeletal Surgery, Charité - Universitätsmedizin Berlin, 13353 Berlin, Germany
| | - Daniela S Garske
- Julius Wolff Institute & Center for Musculoskeletal Surgery, Charité - Universitätsmedizin Berlin, 13353 Berlin, Germany
| | - Agnes Ellinghaus
- Julius Wolff Institute & Center for Musculoskeletal Surgery, Charité - Universitätsmedizin Berlin, 13353 Berlin, Germany
| | - Rajiv M Desai
- School of Engineering and Applied Sciences - Harvard University, Cambridge, MA 02138, USA; Wyss Institute for Biologically Inspired Engineering, Harvard University, Boston, MA 02115, USA
| | - Alexander G Stafford
- Wyss Institute for Biologically Inspired Engineering, Harvard University, Boston, MA 02115, USA
| | - David J Mooney
- School of Engineering and Applied Sciences - Harvard University, Cambridge, MA 02138, USA; Wyss Institute for Biologically Inspired Engineering, Harvard University, Boston, MA 02115, USA
| | - Georg N Duda
- Julius Wolff Institute & Center for Musculoskeletal Surgery, Charité - Universitätsmedizin Berlin, 13353 Berlin, Germany; Berlin-Brandenburg Center for Regenerative Therapies, Charité - Universitätsmedizin Berlin, 13353 Berlin, Germany
| | - Amaia Cipitria
- Julius Wolff Institute & Center for Musculoskeletal Surgery, Charité - Universitätsmedizin Berlin, 13353 Berlin, Germany; Berlin-Brandenburg Center for Regenerative Therapies, Charité - Universitätsmedizin Berlin, 13353 Berlin, Germany; Max Planck Institute of Colloids and Interfaces, Department of Biomaterials, 14476 Potsdam, Germany.
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Dzhardimalieva GI, Uflyand IE. Design Strategies of Metal Complexes Based on Chelating Polymer Ligands and Their Application in Nanomaterials Science. J Inorg Organomet Polym Mater 2018. [DOI: 10.1007/s10904-018-0841-8] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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