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Vagaggini C, Petroni D, D'Agostino I, Poggialini F, Cavallini C, Cianciusi A, Salis A, D'Antona L, Francesconi V, Manetti F, Damonte G, Musumeci F, Menichetti L, Dreassi E, Carbone A, Schenone S. Early investigation of a novel SI306 theranostic prodrug for glioblastoma treatment. Drug Dev Res 2024; 85:e22158. [PMID: 38349262 DOI: 10.1002/ddr.22158] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2023] [Revised: 12/14/2023] [Accepted: 01/22/2024] [Indexed: 02/15/2024]
Abstract
Glioblastoma multiforme (GBM) is one of the most aggressive malignancies with a high recurrence rate and poor prognosis. Theranostic, combining therapeutic and diagnostic approaches, arises as a successful strategy to improve patient outcomes through personalized medicine. Src is a non-receptor tyrosine kinase (nRTK) whose involvement in GBM has been extensively demonstrated. Our previous research highlighted the effectiveness of the pyrazolo[3,4-d]pyrimidine SI306 and its more soluble prodrug CMP1 as Src inhibitors both in in vitro and in vivo GBM models. In this scenario, we decided to develop a theranostic prodrug of SI306, ProSI-DOTA(68 Ga) 1, which was designed to target GBM cells after hydrolysis and follow-up on the disease's progression and improve the therapy's outcome. First, the corresponding nonradioactive prodrug 2 was tested to evaluate its ADME profile and biological activity. It showed good metabolic stability, no inhibition of CYP3A4, suboptimal aqueous solubility, and slight gastrointestinal and blood-brain barrier passive permeability. Compound 2 exhibited a drastic reduction of cell vitality after 72 h on two different GBM cell lines (GL261 and U87MG). Then, 2 was subjected to complexation with the radionuclide Gallium-68 to give ProSI-DOTA(68 Ga) 1. The cellular uptake of 1 was evaluated on GBM cells, highlighting a slight but significant time-dependent uptake. The data obtained from our preliminary studies reflect the physiochemical properties of 1. The use of an alternative route of administration, such as the intranasal route, could overcome the physiochemical limitations and enhance the pharmacokinetic properties of 1, paving the way for its future development.
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Affiliation(s)
- Chiara Vagaggini
- Department of Biotechnology, Chemistry, and Pharmacy, University of Siena, Siena, Italy
| | - Debora Petroni
- Institute of Clinical Physiology, Italian National Research Council (CNR), Pisa, Italy
| | - Ilaria D'Agostino
- Department of Biotechnology, Chemistry, and Pharmacy, University of Siena, Siena, Italy
| | - Federica Poggialini
- Department of Biotechnology, Chemistry, and Pharmacy, University of Siena, Siena, Italy
| | - Chiara Cavallini
- Institute of Clinical Physiology, Italian National Research Council (CNR), Pisa, Italy
| | | | - Annalisa Salis
- DIMES, Section of Biochemistry, University of Genova, Genova, Italy
| | - Lucia D'Antona
- Medical Genetics Unit, Mater Domini University Hospital, Catanzaro, Italy
- Department of Health Sciences, Magna Graecia University of Catanzaro, Catanzaro, Italy
| | | | - Fabrizio Manetti
- Department of Biotechnology, Chemistry, and Pharmacy, University of Siena, Siena, Italy
| | - Gianluca Damonte
- DIMES, Section of Biochemistry, University of Genova, Genova, Italy
| | | | - Luca Menichetti
- Institute of Clinical Physiology, Italian National Research Council (CNR), Pisa, Italy
| | - Elena Dreassi
- Department of Biotechnology, Chemistry, and Pharmacy, University of Siena, Siena, Italy
| | - Anna Carbone
- Department of Pharmacy, University of Genoa, Genoa, Italy
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2
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Hymel D, Tsuji K, Grant RA, Chingle RM, Kunciw DL, Yaffe MB, Burke TR. Design and synthesis of a new orthogonally protected glutamic acid analog and its use in the preparation of high affinity polo-like kinase 1 polo-box domain - binding peptide macrocycles. Org Biomol Chem 2021; 19:7843-7854. [PMID: 34346472 PMCID: PMC8456285 DOI: 10.1039/d1ob01120k] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2021] [Accepted: 07/16/2021] [Indexed: 12/24/2022]
Abstract
Targeting protein - protein interactions (PPIs) has emerged as an important area of discovery for anticancer therapeutic development. In the case of phospho-dependent PPIs, such as the polo-like kinase 1 (Plk1) polo-box domain (PBD), a phosphorylated protein residue can provide high-affinity recognition and binding to target protein hot spots. Developing antagonists of the Plk1 PBD can be particularly challenging if one relies solely on interactions within and proximal to the phospho-binding pocket. Fortunately, the affinity of phospho-dependent PPI antagonists can be significantly enhanced by taking advantage of interactions in both the phospho-binding site and hidden "cryptic" pockets that may be revealed on ligand binding. In our current paper, we describe the design and synthesis of macrocyclic peptide mimetics directed against the Plk1 PBD, which are characterized by a new glutamic acid analog that simultaneously serves as a ring-closing junction that provides accesses to a cryptic binding pocket, while at the same time achieving proper orientation of a phosphothreonine (pT) residue for optimal interaction in the signature phospho-binding pocket. Macrocycles prepared with this new amino acid analog introduce additional hydrogen-bonding interactions not found in the open-chain linear parent peptide. It is noteworthy that this new glutamic acid-based amino acid analog represents the first example of extremely high affinity ligands where access to the cryptic pocket from the pT-2 position is made possible with a residue that is not based on histidine. The concepts employed in the design and synthesis of these new macrocyclic peptide mimetics should be useful for further studies directed against the Plk1 PBD and potentially for ligands directed against other PPI targets.
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Affiliation(s)
- David Hymel
- Chemical Biology Laboratory, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Frederick, MD 21702, USA.
| | - Kohei Tsuji
- Chemical Biology Laboratory, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Frederick, MD 21702, USA.
| | - Robert A Grant
- Department of Biology and Biological Engineering, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
| | - Ramesh M Chingle
- Chemical Biology Laboratory, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Frederick, MD 21702, USA.
| | - Dominique L Kunciw
- Chemical Biology Laboratory, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Frederick, MD 21702, USA.
| | - Michael B Yaffe
- Department of Biology and Biological Engineering, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
| | - Terrence R Burke
- Chemical Biology Laboratory, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Frederick, MD 21702, USA.
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3
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Zhu L, Simpson JM, Xu X, He H, Zhang D, Yin L. Cationic Polypeptoids with Optimized Molecular Characteristics toward Efficient Nonviral Gene Delivery. ACS APPLIED MATERIALS & INTERFACES 2017; 9:23476-23486. [PMID: 28653538 DOI: 10.1021/acsami.7b06031] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
The rational design of gene vectors relies on the understanding of their structure-property relationship. Polypeptoids, which are structural isomers of natural polypeptides, hold great potential as gene delivery vectors due to their facile preparation, structural tunability, and most importantly, their desirable proteolytic stability. We herein designed a library of polypeptoids with different cationic side-chain terminal groups, degree of polymerizations (DPs), side-chain lengths, and incorporated aliphatic side chains, to unravel the structure-property relationships so that gene delivery efficiency can be maximized and cytotoxicity can be minimized. In HeLa cells, a polypeptoid bearing a primary amine side-chain terminal group exhibited remarkably higher transfection efficiency than that of its analogues containing secondary, tertiary, or quaternary amine groups. Elongation of the polypeptoid backbone length (from 28 to 251 mer) led to enhanced DNA condensation as well as cellular uptake levels, however it also caused higher cytotoxicity. Upon a proper balance between DNA uptake and cytotoxicity, the polypeptoid with a DP of 46 afforded the highest transfection efficiency. Elongating the aliphatic spacer between the backbone and side amine groups enhanced the hydrophobicity of the side chains, which resulted in notably increased membrane activities and transfection efficiency. Further incorporation of hydrophobic decyl side chains led to an improvement in transfection efficiency of ∼6 fold. The top-performing material identified, P11, mediated successful gene transfection under serum-containing conditions, outperforming the commercial transfection reagent poly(ethylenimine) by nearly 4 orders of magnitude. Reflecting its excellent serum-resistant properties, P11 further enabled effective transfection in vivo following intratumoral injection to melanoma-bearing mice. This study will help the rational design of polypeptoid-based gene delivery materials, and the best-performing material identified may provide a potential supplement to existing gene vectors.
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Affiliation(s)
- Lipeng Zhu
- Jiangsu Key Laboratory for Carbon-Based Functional Materials and Devices, Institute of Functional Nano and Soft Materials (FUNSOM), Soochow University , Suzhou 215123, P. R. China
| | - Jessica M Simpson
- Department of Chemistry and Macromolecular Studies Group, Louisiana State University , Baton Rouge, Louisiana 70803, United States
| | - Xin Xu
- Jiangsu Key Laboratory for Carbon-Based Functional Materials and Devices, Institute of Functional Nano and Soft Materials (FUNSOM), Soochow University , Suzhou 215123, P. R. China
| | - Hua He
- Jiangsu Key Laboratory for Carbon-Based Functional Materials and Devices, Institute of Functional Nano and Soft Materials (FUNSOM), Soochow University , Suzhou 215123, P. R. China
| | - Donghui Zhang
- Department of Chemistry and Macromolecular Studies Group, Louisiana State University , Baton Rouge, Louisiana 70803, United States
| | - Lichen Yin
- Jiangsu Key Laboratory for Carbon-Based Functional Materials and Devices, Institute of Functional Nano and Soft Materials (FUNSOM), Soochow University , Suzhou 215123, P. R. China
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Serratice M, Bertrand B, Janssen EFJ, Hemelt E, Zucca A, Cocco F, Cinellu MA, Casini A. Gold(i) compounds with lansoprazole-type ligands: synthesis, characterization and anticancer properties in vitro. MEDCHEMCOMM 2014. [DOI: 10.1039/c4md00241e] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Initial results on Au(i) compounds containing lansoprazole-type ligands as possible anticancer agents.
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Affiliation(s)
- M. Serratice
- Università degli Studi di Sassari
- Dipartimento di Chimica e Farmacia
- Sassari, Italy
| | - B. Bertrand
- Dept. of Pharmacokinetics, Toxicology and Targeting, Research Institute of Pharmacy
- University of Groningen
- 9713 AV Groningen, The Netherlands
- Institut de Chimie Moléculaire de l'Université de Bourgogne
- UMR 6302 CNRS Université de Bourgogne
| | - E. F. J. Janssen
- Dept. of Pharmacokinetics, Toxicology and Targeting, Research Institute of Pharmacy
- University of Groningen
- 9713 AV Groningen, The Netherlands
| | - E. Hemelt
- Dept. of Pharmacokinetics, Toxicology and Targeting, Research Institute of Pharmacy
- University of Groningen
- 9713 AV Groningen, The Netherlands
| | - A. Zucca
- Università degli Studi di Sassari
- Dipartimento di Chimica e Farmacia
- Sassari, Italy
| | - F. Cocco
- Università degli Studi di Sassari
- Dipartimento di Chimica e Farmacia
- Sassari, Italy
| | - M. A. Cinellu
- Università degli Studi di Sassari
- Dipartimento di Chimica e Farmacia
- Sassari, Italy
| | - A. Casini
- Dept. of Pharmacokinetics, Toxicology and Targeting, Research Institute of Pharmacy
- University of Groningen
- 9713 AV Groningen, The Netherlands
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