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Zhang J, Huang S, Zhu Z, Gatt A, Liu J. E-selectin in vascular pathophysiology. Front Immunol 2024; 15:1401399. [PMID: 39100681 PMCID: PMC11294169 DOI: 10.3389/fimmu.2024.1401399] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2024] [Accepted: 07/05/2024] [Indexed: 08/06/2024] Open
Abstract
Selectins are a group of Ca2+-dependent, transmembrane type I glycoproteins which attract cell adhesion and migration. E-selectin is exclusively expressed in endothelial cells, and its expression is strongly enhanced upon activation by pro-inflammatory cytokines. The interaction of E-selectin with its ligands on circulating leukocytes captures and slows them down, further facilitating integrin activation, firm adhesion to endothelial cells and transmigration to tissues. Oxidative stress induces endothelial cell injury, leading to aberrant expression of E-selectin. In addition, the elevated level of E-selectin is positively related to high risk of inflammation. Dysregulation of E-selectin has been found in several pathological conditions including acute kidney injury (AKI), pulmonary diseases, hepatic pathology, Venous thromboembolism (VTE). Deletion of the E-selectin gene in mice somewhat ameliorates these complications. In this review, we describe the mechanisms regulating E-selectin expression, the interaction of E-selectin with its ligands, the E-selectin physiological and pathophysiological roles, and the therapeutical potential of targeting E-selectin.
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Affiliation(s)
- Jinjin Zhang
- Department of Laboratory Medicine, Shandong Provincial Qianfoshan Hospital, Shandong University, Jinan, China
- Medical Research Center, Shandong Provincial Qianfoshan Hospital, Shandong University, Jinan, China
| | - Shengshi Huang
- Institute of Microvascular Medicine, Medical Research Center, The First Affiliated Hospital of Shandong First Medical University & Shandong Provincial Qianfoshan Hospital, Jinan, China
- Shandong Provincial Key Medical and Health Laboratory of Translational Medicine in Microvascular Aging, Jinan, China
| | - Zhiying Zhu
- Department of Laboratory Medicine, Shandong Provincial Qianfoshan Hospital, Shandong University, Jinan, China
| | - Alex Gatt
- Department of Pathology, Faculty of Medicine and Surgery, University of Malta, Msida, Malta
- Haematology Laboratory, Department of Pathology, Mater Dei Hospital, Msida, Malta
| | - Ju Liu
- Department of Laboratory Medicine, Shandong Provincial Qianfoshan Hospital, Shandong University, Jinan, China
- Institute of Microvascular Medicine, Medical Research Center, The First Affiliated Hospital of Shandong First Medical University & Shandong Provincial Qianfoshan Hospital, Jinan, China
- Shandong Provincial Key Medical and Health Laboratory of Translational Medicine in Microvascular Aging, Jinan, China
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2
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Belouin A, Simard RD, Joyal M, Maharsy W, Lau A, Prévost M, Nemer M, Guindon Y. Sialyl Lewis X glycomimetics bearing an extended anionic chain targeting E- and P- selectin binding sites. Bioorg Med Chem 2024; 98:117553. [PMID: 38128297 DOI: 10.1016/j.bmc.2023.117553] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2023] [Revised: 12/06/2023] [Accepted: 12/07/2023] [Indexed: 12/23/2023]
Abstract
Neutrophil binding to vascular P- and E-selectin is the rate-limiting step in the recruitment of immune cells to sites of inflammation. Many diseases, including sickle cell anemia, post-myocardial infarction reperfusion injury, and acute respiratory distress syndrome are characterized by dysregulated inflammation. We have recently reported sialyl Lewisx analogues as potent antagonists of P- and E-selectin and demonstrated their in vivo immunosuppressive activity. A key component of these molecules is a tartrate diester that serves as an acyclic tether to orient the fucoside and the galactoside moiety in the required gauche conformation for optimal binding. The next stage of our study involved attaching an extended carbon chain onto one of the esters. This chain could be utilized to tether other pharmacophores, lipids, and contrast agents in the context of enhancing pharmacological applications through the sialyl Lewisx / receptor-mediated mechanism. Herein, we report our preliminary studies to generate a small library of tartrate based sialyl Lewisx analogues bearing extended carbon chains. Anionic charged chemical entities are attached to take advantage of proximal charged amino acids in the carbohydrate recognition domain of the selectin receptors. Starting with a common azido intermediate, synthesized using copper-catalyzed Huisgen 1,3-dipolar cycloadditions, these molecules demonstrate E- and P-selectin binding properties.
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Affiliation(s)
- Audrey Belouin
- Bioorganic Chemistry Laboratory, Institut de recherches cliniques de Montréal (IRCM), Montréal, Québec H2W 1R7, Canada; Department of Chemistry, Université de Montréal, Montréal, Québec H3C 3J7, Canada
| | - Ryan D Simard
- Bioorganic Chemistry Laboratory, Institut de recherches cliniques de Montréal (IRCM), Montréal, Québec H2W 1R7, Canada; Department of Chemistry, Université de Montréal, Montréal, Québec H3C 3J7, Canada
| | - Mathieu Joyal
- Department of Biochemistry, Microbiology and Immunology, University of Ottawa, Ottawa, Ontario K1N 6N5, Canada
| | - Wael Maharsy
- Department of Biochemistry, Microbiology and Immunology, University of Ottawa, Ottawa, Ontario K1N 6N5, Canada
| | - Alice Lau
- Department of Biochemistry, Microbiology and Immunology, University of Ottawa, Ottawa, Ontario K1N 6N5, Canada
| | - Michel Prévost
- Bioorganic Chemistry Laboratory, Institut de recherches cliniques de Montréal (IRCM), Montréal, Québec H2W 1R7, Canada
| | - Mona Nemer
- Department of Biochemistry, Microbiology and Immunology, University of Ottawa, Ottawa, Ontario K1N 6N5, Canada.
| | - Yvan Guindon
- Bioorganic Chemistry Laboratory, Institut de recherches cliniques de Montréal (IRCM), Montréal, Québec H2W 1R7, Canada; Department of Chemistry, Université de Montréal, Montréal, Québec H3C 3J7, Canada; Department of Biochemistry, Microbiology and Immunology, University of Ottawa, Ottawa, Ontario K1N 6N5, Canada.
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3
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Onishchenko NR, Moskovtsev AA, Kobanenko MK, Tretiakova DS, Alekseeva AS, Kolesov DV, Mikryukova AA, Boldyrev IA, Kapkaeva MR, Shcheglovitova ON, Bovin NV, Kubatiev AA, Tikhonova OV, Vodovozova EL. Protein Corona Attenuates the Targeting of Antitumor Sialyl Lewis X-Decorated Liposomes to Vascular Endothelial Cells under Flow Conditions. Pharmaceutics 2023; 15:1754. [PMID: 37376203 DOI: 10.3390/pharmaceutics15061754] [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: 04/17/2023] [Revised: 05/23/2023] [Accepted: 06/12/2023] [Indexed: 06/29/2023] Open
Abstract
Previously, we showed in the human umbilical vein endothelial cells (HUVECs) model that a liposome formulation of melphalan lipophilic prodrug (MlphDG) decorated with selectin ligand tetrasaccharide Sialyl Lewis X (SiaLeX) undergoes specific uptake by activated cells and in an in vivo tumor model causes a severe antivascular effect. Here, we cultured HUVECs in a microfluidic chip and then applied the liposome formulations to study their interactions with the cells in situ under hydrodynamic conditions close to capillary blood flow using confocal fluorescent microscopy. The incorporation of 5 to 10% SiaLeX conjugate in the bilayer of MlphDG liposomes increased their consumption exclusively by activated endotheliocytes. The increase of serum concentration from 20 to 100% in the flow resulted in lower liposome uptake by the cells. To elucidate the possible roles of plasma proteins in the liposome-cell interactions, liposome protein coronas were isolated and analyzed by shotgun proteomics and immunoblotting of selected proteins. Proteomic analysis showed that a gradual increase in SiaLeX content correlated with the overall enrichment of the liposome-associated proteins with several apolipoproteins, including the most positively charged one, ApoC1, and serum amyloid A4, associated with inflammation, on the one hand, and a decrease in the content of bound immunoglobulins, on the other. The article discusses the potential interference of the proteins in the binding of liposomes to selectins of endothelial cells.
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Affiliation(s)
- Natalia R Onishchenko
- Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences, ul. Miklukho-Maklaya 16/10, 117997 Moscow, Russia
| | - Alexey A Moskovtsev
- Institute of General Pathology and Pathophysiology, Russian Academy of Sciences, ul. Baltiyskaya 8, 125315 Moscow, Russia
| | - Maria K Kobanenko
- Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences, ul. Miklukho-Maklaya 16/10, 117997 Moscow, Russia
| | - Daria S Tretiakova
- Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences, ul. Miklukho-Maklaya 16/10, 117997 Moscow, Russia
| | - Anna S Alekseeva
- Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences, ul. Miklukho-Maklaya 16/10, 117997 Moscow, Russia
| | - Dmitry V Kolesov
- Institute of General Pathology and Pathophysiology, Russian Academy of Sciences, ul. Baltiyskaya 8, 125315 Moscow, Russia
| | - Anna A Mikryukova
- Institute of General Pathology and Pathophysiology, Russian Academy of Sciences, ul. Baltiyskaya 8, 125315 Moscow, Russia
| | - Ivan A Boldyrev
- Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences, ul. Miklukho-Maklaya 16/10, 117997 Moscow, Russia
| | - Marina R Kapkaeva
- N.F. Gamaleya National Research Center for Epidemiology and Microbiology, Ministry of Healthcare of the Russian Federation, ul. Gamaleya 18, 123098 Moscow, Russia
| | - Olga N Shcheglovitova
- N.F. Gamaleya National Research Center for Epidemiology and Microbiology, Ministry of Healthcare of the Russian Federation, ul. Gamaleya 18, 123098 Moscow, Russia
| | - Nicolai V Bovin
- Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences, ul. Miklukho-Maklaya 16/10, 117997 Moscow, Russia
| | - Aslan A Kubatiev
- Institute of General Pathology and Pathophysiology, Russian Academy of Sciences, ul. Baltiyskaya 8, 125315 Moscow, Russia
| | - Olga V Tikhonova
- Institute of Biomedical Chemistry, ul. Pogodinskaya 10, 119121 Moscow, Russia
| | - Elena L Vodovozova
- Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences, ul. Miklukho-Maklaya 16/10, 117997 Moscow, Russia
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4
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Martínez-Bailén M, Rojo J, Ramos-Soriano J. Multivalent glycosystems for human lectins. Chem Soc Rev 2023; 52:536-572. [PMID: 36545903 DOI: 10.1039/d2cs00736c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Human lectins are involved in a wide variety of biological processes, both physiological and pathological, which have attracted the interest of the scientific community working in the glycoscience field. Multivalent glycosystems have been employed as useful tools to understand carbohydrate-lectin binding processes as well as for biomedical applications. The review shows the different scaffolds designed for a multivalent presentation of sugars and their corresponding binding studies to lectins and in some cases, their biological activities. We summarise this research by organizing based on lectin types to highlight the progression in this active field. The paper provides an overall picture of how these contributions have furnished relevant information on this topic to help in understanding and participate in these carbohydrate-lectin interactions.
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Affiliation(s)
- Macarena Martínez-Bailén
- Glycosystems Laboratory, Instituto de Investigaciones Químicas (IIQ), CSIC - Universidad de Sevilla, Av. Américo Vespucio 49, Seville 41092, Spain.
| | - Javier Rojo
- Glycosystems Laboratory, Instituto de Investigaciones Químicas (IIQ), CSIC - Universidad de Sevilla, Av. Américo Vespucio 49, Seville 41092, Spain.
| | - Javier Ramos-Soriano
- Glycosystems Laboratory, Instituto de Investigaciones Químicas (IIQ), CSIC - Universidad de Sevilla, Av. Américo Vespucio 49, Seville 41092, Spain.
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5
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Chantarasrivong C, Okada R, Yamane Y, Yang X, Higuchi Y, Konishi M, Komura N, Ando H, Yokokawa R, Yamashita F. Disposition of E-selectin-targeting liposomes in tumor spheroids with a perfusable vascular network. Drug Metab Pharmacokinet 2022; 47:100469. [DOI: 10.1016/j.dmpk.2022.100469] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2022] [Revised: 07/05/2022] [Accepted: 07/31/2022] [Indexed: 11/25/2022]
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6
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Silva J, Spiess R, Marchesi A, Flitsch SL, Gough JE, Webb SJ. Enzymatic elaboration of oxime-linked glycoconjugates in solution and on liposomes. J Mater Chem B 2022; 10:5016-5027. [PMID: 35723603 PMCID: PMC9258907 DOI: 10.1039/d2tb00714b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Oxime formation is a convenient one-step method for ligating reducing sugars to surfaces, producing a mixture of closed ring α- and β-anomers along with open-chain (E)- and (Z)-isomers. Here we show that despite existing as a mixture of isomers, N-acetylglucosamine (GlcNAc) oximes can still be substrates for β(1,4)-galactosyltransferase (β4GalT1). β4GalT1 catalysed the galactosylation of GlcNAc oximes by a galactose donor (UDP-Gal) both in solution and in situ on the surface of liposomes, with conversions up to 60% in solution and ca. 15–20% at the liposome surface. It is proposed that the β-anomer is consumed preferentially but long reaction times allow this isomer to be replenished by equilibration from the remaining isomers. Adding further enzymes gave more complex oligosaccharides, with a combination of α-1,3-fucosyltransferase, β4GalT1 and the corresponding sugar donors providing Lewis X coated liposomes. However, sialylation using T. cruzi trans-sialidase and sialyllactose provided only very small amounts of sialyl Lewis X (sLex) capped lipid. These observations show that combining oxime formation with enzymatic elaboration will be a useful method for the high-throughput surface modification of drug delivery vehicles, such as liposomes, with cell-targeting oligosaccharides. Despite existing as a mixture of isomers, reducing sugar oximes can still be substrates for glycosyltransferases.![]()
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Affiliation(s)
- Joana Silva
- Department of Chemistry, University of Manchester, Oxford Road, Manchester M13 9PL, UK. .,Manchester Institute of Biotechnology, University of Manchester, 131 Princess St, Manchester M1 7DN, UK
| | - Reynard Spiess
- Manchester Institute of Biotechnology, University of Manchester, 131 Princess St, Manchester M1 7DN, UK
| | - Andrea Marchesi
- Department of Chemistry, University of Manchester, Oxford Road, Manchester M13 9PL, UK. .,Manchester Institute of Biotechnology, University of Manchester, 131 Princess St, Manchester M1 7DN, UK
| | - Sabine L Flitsch
- Department of Chemistry, University of Manchester, Oxford Road, Manchester M13 9PL, UK. .,Manchester Institute of Biotechnology, University of Manchester, 131 Princess St, Manchester M1 7DN, UK
| | - Julie E Gough
- Department of Materials and Henry Royce Institute, The University of Manchester, Manchester M13 9PL, UK
| | - Simon J Webb
- Department of Chemistry, University of Manchester, Oxford Road, Manchester M13 9PL, UK. .,Manchester Institute of Biotechnology, University of Manchester, 131 Princess St, Manchester M1 7DN, UK
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7
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Milošević N, Rütter M, David A. Endothelial Cell Adhesion Molecules- (un)Attainable Targets for Nanomedicines. FRONTIERS IN MEDICAL TECHNOLOGY 2022; 4:846065. [PMID: 35463298 PMCID: PMC9021548 DOI: 10.3389/fmedt.2022.846065] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2021] [Accepted: 02/15/2022] [Indexed: 01/21/2023] Open
Abstract
Endothelial cell adhesion molecules have long been proposed as promising targets in many pathologies. Despite promising preclinical data, several efforts to develop small molecule inhibitors or monoclonal antibodies (mAbs) against cell adhesion molecules (CAMs) ended in clinical-stage failure. In parallel, many well-validated approaches for targeting CAMs with nanomedicine (NM) were reported over the years. A wide range of potential applications has been demonstrated in various preclinical studies, from drug delivery to the tumor vasculature, imaging of the inflamed endothelium, or blocking immune cells infiltration. However, no NM drug candidate emerged further into clinical development. In this review, we will summarize the most advanced examples of CAM-targeted NMs and juxtapose them with known traditional drugs against CAMs, in an attempt to identify important translational hurdles. Most importantly, we will summarize the proposed strategies to enhance endothelial CAM targeting by NMs, in an attempt to offer a catalog of tools for further development.
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8
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Synergetic Enhancement of Tumor Double-Targeted MRI Nano-Probe. Int J Mol Sci 2022; 23:ijms23063119. [PMID: 35328540 PMCID: PMC8955029 DOI: 10.3390/ijms23063119] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2022] [Revised: 02/25/2022] [Accepted: 03/10/2022] [Indexed: 12/10/2022] Open
Abstract
The conventional targeted delivery of chemotherapeutic and diagnostic agents utilizing nanocarriers is a promising approach for cancer theranostics. Unfortunately, this approach often faces hindered tumor access that decreases the therapeutic index and limits the further clinical translation of a developing drug. Here, we demonstrated a strategy of simultaneously double-targeting the drug to two distinct cites of tumor tissue: the tumor endothelium and cell surface receptors. We used fourth-generation polyamideamine dendrimers modified with a chelated Gd and functionalized with selectin ligand and alpha-fetoprotein receptor-binding peptide. According to the proposed strategy, IELLQAR peptide promotes the conjugate recruitment to the tumor inflammatory microenvironment and enhances extravasation through the interaction of nanodevice with P- and E-selectins expressed by endothelial cells. The second target moiety-alpha-fetoprotein receptor-binding peptide-enhances drug internalization into cancer cells and the intratumoral retention of the conjugate. The final conjugate contained 18 chelated Gd ions per dendrimer, characterized with a 32 nm size and a negative surface charge of around 18 mV. In vitro contrasting properties were comparable with commercially available Gd-chelate: r1 relaxivity was 3.39 for Magnevist and 3.11 for conjugate; r2 relaxivity was 5.12 for Magnevist and 4.81 for conjugate. By utilizing this dual targeting strategy, we demonstrated the increment of intratumoral accumulation, and a remarkable enhancement of antitumor effect, resulting in high-level synergy compared to monotargeted conjugates. In summary, the proposed strategy utilizing tumor tissue double-targeting may contribute to an enhancement in drug and diagnostic accumulation in aggressive tumors.
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Abstract
Carbohydrates are the most abundant and one of the most important biomacromolecules in Nature. Except for energy-related compounds, carbohydrates can be roughly divided into two categories: Carbohydrates as matter and carbohydrates as information. As matter, carbohydrates are abundantly present in the extracellular matrix of animals and cell walls of various plants, bacteria, fungi, etc., serving as scaffolds. Some commonly found polysaccharides are featured as biocompatible materials with controllable rigidity and functionality, forming polymeric biomaterials which are widely used in drug delivery, tissue engineering, etc. As information, carbohydrates are usually referred to the glycans from glycoproteins, glycolipids, and proteoglycans, which bind to proteins or other carbohydrates, thereby meditating the cell-cell and cell-matrix interactions. These glycans could be simplified as synthetic glycopolymers, glycolipids, and glycoproteins, which could be afforded through polymerization, multistep synthesis, or a semisynthetic strategy. The information role of carbohydrates can be demonstrated not only as targeting reagents but also as immune antigens and adjuvants. The latter are also included in this review as they are always in a macromolecular formulation. In this review, we intend to provide a relatively comprehensive summary of carbohydrate-based macromolecular biomaterials since 2010 while emphasizing the fundamental understanding to guide the rational design of biomaterials. Carbohydrate-based macromolecules on the basis of their resources and chemical structures will be discussed, including naturally occurring polysaccharides, naturally derived synthetic polysaccharides, glycopolymers/glycodendrimers, supramolecular glycopolymers, and synthetic glycolipids/glycoproteins. Multiscale structure-function relationships in several major application areas, including delivery systems, tissue engineering, and immunology, will be detailed. We hope this review will provide valuable information for the development of carbohydrate-based macromolecular biomaterials and build a bridge between the carbohydrates as matter and the carbohydrates as information to promote new biomaterial design in the near future.
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Affiliation(s)
- Lu Su
- The State Key Laboratory of Molecular Engineering of Polymers and Department of Macromolecular Science, Fudan University, Shanghai 200433, China.,Institute for Complex Molecular Systems, Laboratory of Macromolecular and Organic Chemistry, Eindhoven University of Technology, Eindhoven 5600, The Netherlands
| | - Yingle Feng
- The State Key Laboratory of Molecular Engineering of Polymers and Department of Macromolecular Science, Fudan University, Shanghai 200433, China.,Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education and School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an, Shaanxi 710119, P. R. China
| | - Kongchang Wei
- Empa, Swiss Federal Laboratories for Materials Science and Technology, Department of Materials meet Life, Laboratory for Biomimetic Membranes and Textiles, Lerchenfeldstrasse 5, St. Gallen 9014, Switzerland
| | - Xuyang Xu
- The State Key Laboratory of Molecular Engineering of Polymers and Department of Macromolecular Science, Fudan University, Shanghai 200433, China
| | - Rongying Liu
- The State Key Laboratory of Molecular Engineering of Polymers and Department of Macromolecular Science, Fudan University, Shanghai 200433, China
| | - Guosong Chen
- The State Key Laboratory of Molecular Engineering of Polymers and Department of Macromolecular Science, Fudan University, Shanghai 200433, China.,Multiscale Research Institute of Complex Systems, Fudan University, Shanghai 200433, China
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10
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Chauhan DS, Dhasmana A, Laskar P, Prasad R, Jain NK, Srivastava R, Jaggi M, Chauhan SC, Yallapu MM. Nanotechnology synergized immunoengineering for cancer. Eur J Pharm Biopharm 2021; 163:72-101. [PMID: 33774162 PMCID: PMC8170847 DOI: 10.1016/j.ejpb.2021.03.010] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2020] [Revised: 03/06/2021] [Accepted: 03/15/2021] [Indexed: 12/26/2022]
Abstract
Novel strategies modulating the immune system yielded enhanced anticancer responses and improved cancer survival. Nevertheless, the success rate of immunotherapy in cancer treatment has been below expectation(s) due to unpredictable efficacy and off-target effects from systemic dosing of immunotherapeutic(s). As a result, there is an unmet clinical need for improving conventional immunotherapy. Nanotechnology offers several new strategies, multimodality, and multiplex biological targeting advantage to overcome many of these challenges. These efforts enable programming the pharmacodynamics, pharmacokinetics, and delivery of immunomodulatory agents/co-delivery of compounds to prime at the tumor sites for improved therapeutic benefits. This review provides an overview of the design and clinical principles of biomaterials driven nanotechnology and their potential use in personalized nanomedicines, vaccines, localized tumor modulation, and delivery strategies for cancer immunotherapy. In this review, we also summarize the latest highlights and recent advances in combinatorial therapies availed in the treatment of cold and complicated tumors. It also presents key steps and parameters implemented for clinical success. Finally, we analyse, discuss, and provide clinical perspectives on the integrated opportunities of nanotechnology and immunology to achieve synergistic and durable responses in cancer treatment.
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Affiliation(s)
- Deepak S Chauhan
- Department of Immunology and Microbiology, School of Medicine, University of Texas Rio Grande Valley, McAllen, TX 78504, USA; Department of Biosciences and Bioengineering, Indian Institute of Technology Bombay, Powai, Mumbai 400076, India
| | - Anupam Dhasmana
- Department of Immunology and Microbiology, School of Medicine, University of Texas Rio Grande Valley, McAllen, TX 78504, USA
| | - Partha Laskar
- Department of Immunology and Microbiology, School of Medicine, University of Texas Rio Grande Valley, McAllen, TX 78504, USA
| | - Rajendra Prasad
- Department of Biosciences and Bioengineering, Indian Institute of Technology Bombay, Powai, Mumbai 400076, India
| | - Nishant K Jain
- Department of Biosciences and Bioengineering, Indian Institute of Technology Bombay, Powai, Mumbai 400076, India
| | - Rohit Srivastava
- Department of Biosciences and Bioengineering, Indian Institute of Technology Bombay, Powai, Mumbai 400076, India
| | - Meena Jaggi
- Department of Immunology and Microbiology, School of Medicine, University of Texas Rio Grande Valley, McAllen, TX 78504, USA; South Texas Center of Excellence in Cancer Research, School of Medicine, University of Texas Rio Grande Valley, McAllen, TX 78504, USA
| | - Subhash C Chauhan
- Department of Immunology and Microbiology, School of Medicine, University of Texas Rio Grande Valley, McAllen, TX 78504, USA; South Texas Center of Excellence in Cancer Research, School of Medicine, University of Texas Rio Grande Valley, McAllen, TX 78504, USA
| | - Murali M Yallapu
- Department of Immunology and Microbiology, School of Medicine, University of Texas Rio Grande Valley, McAllen, TX 78504, USA; South Texas Center of Excellence in Cancer Research, School of Medicine, University of Texas Rio Grande Valley, McAllen, TX 78504, USA.
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11
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Khang MK, Kuriakose AE, Nguyen T, Co CMD, Zhou J, Truong TTD, Nguyen KT, Tang L. Enhanced Endothelial Cell Delivery for Repairing Injured Endothelium via Pretargeting Approach and Bioorthogonal Chemistry. ACS Biomater Sci Eng 2020; 6:6831-6841. [PMID: 33320611 DOI: 10.1021/acsbiomaterials.0c00957] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
Arterial wall injury often leads to endothelium cell activation, endothelial detachment, and atherosclerosis plaque formation. While abundant research efforts have been placed on treating the end stages of the disease, no cure has been developed to repair injured and denude endothelium often occurred at an early stage of atherosclerosis. Here, a pretargeting cell delivery strategy using combined injured endothelial targeting nanoparticles and bioorthogonal click chemistry approach was developed to deliver endothelial cells to replenish the injured endothelium via a two-step process. First, nanoparticles bearing glycoprotein 1b α (Gp1bα) proteins and tetrazine (Tz) were fabricated to provide a homogeneous nanoparticle coating on an injured arterial wall via the interactions between Gp1bα and von Willebrand factor (vWF), a ligand that is present on denuded endothelium. Second, transplanted endothelium cells bearing transcyclooctene (TCO) would be quickly immobilized on the surfaces of nanoparticles via TCO:Tz reactions. In vitro binding studies under both static and flow conditions confirmed that our novel Tz-labeled Gp1bα-conjugated poly(lactic-co-glycolic acid) (PLGA) nanoparticles can successfully pretargeted toward the injured site and support rapid adhesion of endothelial cells from the circulation. Ex vivo results also confirm that such an approach is highly efficient in mediating the local delivery of endothelial cells at the sites of arterial injury. The results support that this pretargeting cell delivery approach may be used for repairing injured endothelium in situ at its early stage.
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Affiliation(s)
- Min Kyung Khang
- Department of Bioengineering, University of Texas at Arlington, P.O. Box 19138, Arlington, Texas 76010, United States.,Department of Chemistry and Biochemistry, University of Texas at Arlington, Arlington, Texas 76010, United States
| | - Aneetta Elizabeth Kuriakose
- Department of Bioengineering, University of Texas at Arlington, P.O. Box 19138, Arlington, Texas 76010, United States
| | - Tam Nguyen
- Department of Bioengineering, University of Texas at Arlington, P.O. Box 19138, Arlington, Texas 76010, United States
| | - Cynthia My-Dung Co
- Department of Bioengineering, University of Texas at Arlington, P.O. Box 19138, Arlington, Texas 76010, United States
| | - Jun Zhou
- Department of Bioengineering, University of Texas at Arlington, P.O. Box 19138, Arlington, Texas 76010, United States
| | - Thuy Thi Dang Truong
- Department of Bioengineering, University of Texas at Arlington, P.O. Box 19138, Arlington, Texas 76010, United States
| | - Kytai Truong Nguyen
- Department of Bioengineering, University of Texas at Arlington, P.O. Box 19138, Arlington, Texas 76010, United States
| | - Liping Tang
- Department of Bioengineering, University of Texas at Arlington, P.O. Box 19138, Arlington, Texas 76010, United States
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12
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Wang P, Kim T, Harada M, Contag C, Huang X, Smith BR. Nano-immunoimaging. NANOSCALE HORIZONS 2020; 5:628-653. [PMID: 32226975 DOI: 10.1039/c9nh00514e] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Immunoimaging is a rapidly growing field stoked in large part by the intriguing triumphs of immunotherapy. On the heels of immunotherapy's successes, there exists a growing need to evaluate tumor response to therapy particularly immunotherapy, stratify patients into responders vs. non-responders, identify inflammation, and better understand the fundamental roles of immune system components to improve both immunoimaging and immunotherapy. Innovative nanomaterials have begun to provide novel opportunities for immunoimaging, in part due to their sensitivity, modularity, capacity for many potentially varied ligands (high avidity), and potential for multifunctionality/multimodality imaging. This review strives to comprehensively summarize the integration of nanotechnology and immunoimaging, and the field's potential for clinical applications.
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Affiliation(s)
- Ping Wang
- Institute for Quantitative Health Science and Engineering, Michigan State University, 775 Woodlot Drive, Room #1118, East Lansing, MI 488824, USA. and Precision Health Program, Michigan State University, East Lansing, MI 488824, USA
| | - Taeho Kim
- Institute for Quantitative Health Science and Engineering, Michigan State University, 775 Woodlot Drive, Room #1118, East Lansing, MI 488824, USA. and Department of Biomedical Engineering, Michigan State University, East Lansing, MI 488824, USA
| | - Masako Harada
- Institute for Quantitative Health Science and Engineering, Michigan State University, 775 Woodlot Drive, Room #1118, East Lansing, MI 488824, USA. and Department of Biomedical Engineering, Michigan State University, East Lansing, MI 488824, USA
| | - Christopher Contag
- Institute for Quantitative Health Science and Engineering, Michigan State University, 775 Woodlot Drive, Room #1118, East Lansing, MI 488824, USA. and Precision Health Program, Michigan State University, East Lansing, MI 488824, USA and Department of Biomedical Engineering, Michigan State University, East Lansing, MI 488824, USA and Department of Microbiology & Molecular Genetics, Michigan State University, East Lansing, MI 488824, USA
| | - Xuefei Huang
- Institute for Quantitative Health Science and Engineering, Michigan State University, 775 Woodlot Drive, Room #1118, East Lansing, MI 488824, USA. and Department of Biomedical Engineering, Michigan State University, East Lansing, MI 488824, USA and Department of Chemistry, Michigan State University, East Lansing, MI 488824, USA
| | - Bryan Ronain Smith
- Institute for Quantitative Health Science and Engineering, Michigan State University, 775 Woodlot Drive, Room #1118, East Lansing, MI 488824, USA. and Department of Biomedical Engineering, Michigan State University, East Lansing, MI 488824, USA and Department of Radiology, Stanford University, Stanford, CA 94306, USA
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13
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Jin F, Wang F. The physiological and pathological roles and applications of sialyl Lewis x, a common carbohydrate ligand of the three selectins. Glycoconj J 2020; 37:277-291. [DOI: 10.1007/s10719-020-09912-4] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2019] [Revised: 12/20/2019] [Accepted: 01/29/2020] [Indexed: 12/31/2022]
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14
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Surface engineering of nanomaterials with phospholipid-polyethylene glycol-derived functional conjugates for molecular imaging and targeted therapy. Biomaterials 2019; 230:119646. [PMID: 31787335 DOI: 10.1016/j.biomaterials.2019.119646] [Citation(s) in RCA: 32] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2019] [Revised: 11/16/2019] [Accepted: 11/21/2019] [Indexed: 12/12/2022]
Abstract
In recent years, phospholipid-polyethylene glycol-derived functional conjugates have been widely employed to decorate different nanomaterials, due to their excellent biocompatibility, long blood circulation characteristics, and specific targeting capability. Numerous in vivo studies have demonstrated that nanomedicines peripherally engineered with phospholipid-polyethylene glycol-derived functional conjugates show significantly increased selective and efficient internalization by target cells/tissues. Targeting moieties including small-molecule ligands, peptides, proteins, and antibodies are generally conjugated onto PEGylated phospholipids to decorate liposomes, micelles, hybrid nanoparticles, nanocomplexes, and nanoemulsions for targeted delivery of diagnostic and therapeutic agents to diseased sites. In this review, the synthesis methods of phospholipid-polyethylene glycol-derived functional conjugates, biophysicochemical properties of nanomedicines decorated with these conjugates, factors dominating their targeting efficiency, as well as their applications for in vivo molecular imaging and targeted therapy were summarized and discussed.
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15
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Ding R, Li Z, Wang J, Zhu X, Zhao Z, Wang M. Design and Synthesis of Galactose-Biotin Lipid Materials for Liposomes to Promote the Hepatoma Cell–Targeting Effect. J Pharm Sci 2019; 108:3074-3081. [DOI: 10.1016/j.xphs.2019.04.007] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2018] [Revised: 03/17/2019] [Accepted: 04/04/2019] [Indexed: 02/05/2023]
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16
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Kerrigan SW, Devine T, Fitzpatrick G, Thachil J, Cox D. Early Host Interactions That Drive the Dysregulated Response in Sepsis. Front Immunol 2019; 10:1748. [PMID: 31447831 PMCID: PMC6691039 DOI: 10.3389/fimmu.2019.01748] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2019] [Accepted: 07/10/2019] [Indexed: 01/18/2023] Open
Abstract
Sepsis is defined as life-threatening organ dysfunction caused by a dysregulated host response to infection. While many individual cells and systems in the body are involved in driving the excessive and sometimes sustained host response, pathogen engagement with endothelial cells and platelets early in sepsis progression, are believed to be key. Significant progress has been made in establishing key molecular interactions between platelets and pathogens and endothelial cells and pathogens. This review will explore the growing number of compensatory connections between bacteria and viruses with platelets and endothelial cells and how a better understanding of these interactions are informing the field of potential novel ways to treat the dysregulated host response during sepsis.
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Affiliation(s)
- Steven W Kerrigan
- Cardiovascular Infection Research Group, Royal College of Surgeons in Ireland, Dublin, Ireland.,School of Pharmacy, Royal College of Surgeons in Ireland, Dublin, Ireland.,Molecular and Cellular Therapeutics, Royal College of Surgeons in Ireland, Dublin, Ireland.,Irish Centre for Vascular Biology, Royal College of Surgeons in Ireland, Dublin, Ireland
| | - Tatyana Devine
- Cardiovascular Infection Research Group, Royal College of Surgeons in Ireland, Dublin, Ireland.,Molecular and Cellular Therapeutics, Royal College of Surgeons in Ireland, Dublin, Ireland.,Irish Centre for Vascular Biology, Royal College of Surgeons in Ireland, Dublin, Ireland
| | - Glenn Fitzpatrick
- Cardiovascular Infection Research Group, Royal College of Surgeons in Ireland, Dublin, Ireland.,School of Pharmacy, Royal College of Surgeons in Ireland, Dublin, Ireland.,Irish Centre for Vascular Biology, Royal College of Surgeons in Ireland, Dublin, Ireland
| | - Jecko Thachil
- Department of Haematology, Central Manchester University Hospitals NHS Foundation Trust, Manchester, United Kingdom
| | - Dermot Cox
- Cardiovascular Infection Research Group, Royal College of Surgeons in Ireland, Dublin, Ireland.,Molecular and Cellular Therapeutics, Royal College of Surgeons in Ireland, Dublin, Ireland.,Irish Centre for Vascular Biology, Royal College of Surgeons in Ireland, Dublin, Ireland
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17
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Terada Y, Hoshino Y, Miura Y. Glycopolymers Mimicking GM1 Gangliosides: Cooperativity of Galactose and Neuraminic Acid for Cholera Toxin Recognition. Chem Asian J 2019; 14:1021-1027. [DOI: 10.1002/asia.201900053] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2019] [Revised: 02/21/2019] [Indexed: 01/17/2023]
Affiliation(s)
- Yuhei Terada
- Department of Chemical Systems and EngineeringKyushu University 744 Motooka Nishi-ku Fukuoka 819-0395 Japan
| | - Yu Hoshino
- Department of Chemical Systems and EngineeringKyushu University 744 Motooka Nishi-ku Fukuoka 819-0395 Japan
| | - Yoshiko Miura
- Department of Chemical Systems and EngineeringKyushu University 744 Motooka Nishi-ku Fukuoka 819-0395 Japan
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18
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Chantarasrivong C, Higuchi Y, Tsuda M, Yamane Y, Hashida M, Konishi M, Komura N, Ando H, Yamashita F. Sialyl LewisX mimic-decorated liposomes for anti-angiogenic everolimus delivery to E-selectin expressing endothelial cells. RSC Adv 2019; 9:20518-20527. [PMID: 35515515 PMCID: PMC9065773 DOI: 10.1039/c9ra01943j] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2019] [Accepted: 06/25/2019] [Indexed: 12/18/2022] Open
Abstract
In this study, we developed novel E-selectin-targeting liposomes, i.e., 3′-(1-carboxy)ethyl sialyl LewisX (3′-CE sLeX) mimic liposomes, for targeted delivery of everolimus (EVE) in anti-angiogenic therapy. We investigated the uptake and efficacy of these E-selectin targeting liposomes in inflammatory cytokine-treated human umbilical vein endothelial cells (HUVECs). The uptake of EVE in 3′-CE sLeX mimic liposomes increased steadily and almost caught up with the uptake of plain EVE at 3 h, which was higher than that in PEGylated liposomes (PEG-liposomes). Inhibition of uptake by anti-E-selectin antibody suggested involvement of E-selectin-mediated endocytotic processes. Migration in cells treated with EVE/3′-CE sLeX mimic liposomes was suppressed by more than half when compared to the control. This treatment was also seen to significantly inhibit the formation of capillary tubes and networks. In addition, Thr389 phosphorylation of pS6 kinase, as a marker of mTOR activity, was remarkably suppressed to less than endogenous levels by EVE/3′-CE sLeX mimic liposomes. In conclusion, the present study demonstrated that EVE/3′-CE sLeX mimic liposomes were intracellularly taken up by E-selectin and prompted anti-angiogenic effects of EVE involved in the mTOR signaling pathway. However, moderate retention of EVE in the liposomes might limit the targeting ability of 3′-CE sLeX mimic liposomes. Novel E-selectin-targeting liposomes deliver everolimus to E-selectin expressing endothelial cells and accelerate its anti-angiogenic effect.![]()
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Affiliation(s)
| | - Yuriko Higuchi
- Graduate School of Pharmaceutical Sciences
- Kyoto University
- Kyoto 606-8501
- Japan
| | - Masahiro Tsuda
- Graduate School of Pharmaceutical Sciences
- Kyoto University
- Kyoto 606-8501
- Japan
| | - Yuuki Yamane
- Graduate School of Pharmaceutical Sciences
- Kyoto University
- Kyoto 606-8501
- Japan
| | - Mitsuru Hashida
- Institute for Advanced Study
- Kyoto University
- Kyoto 606-8501
- Japan
| | - Miku Konishi
- Center for Highly Advanced Integration of Nano and Life Sciences (G-CHAIN)
- Gifu University
- Gifu 501-1193
- Japan
| | - Naoko Komura
- Center for Highly Advanced Integration of Nano and Life Sciences (G-CHAIN)
- Gifu University
- Gifu 501-1193
- Japan
| | - Hiromune Ando
- Center for Highly Advanced Integration of Nano and Life Sciences (G-CHAIN)
- Gifu University
- Gifu 501-1193
- Japan
| | - Fumiyoshi Yamashita
- Graduate School of Pharmaceutical Sciences
- Kyoto University
- Kyoto 606-8501
- Japan
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19
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Suga T, Kato N, Hagimori M, Fuchigami Y, Kuroda N, Kodama Y, Sasaki H, Kawakami S. Development of High-Functionality and -Quality Lipids with RGD Peptide Ligands: Application for PEGylated Liposomes and Analysis of Intratumoral Distribution in a Murine Colon Cancer Model. Mol Pharm 2018; 15:4481-4490. [PMID: 30179010 DOI: 10.1021/acs.molpharmaceut.8b00476] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
High-functionality and -quality (HFQ) lipids have a discrete molecular weight and good water dispersibility and can be produced by solid-phase peptide synthesis. Therefore, HFQ lipids are a promising material for the preparation of ligand-grafted PEGylated liposomes. Recently, we have reported serine-glycine repeated peptides ((SG) n) as a spacer of HFQ lipids and to substitute a conventional PEG spacer. We demonstrated the advantage of using (SG) n spacers for peptide ligand presentation on the liposomal surface in vitro; however, the use of (SG) n spacers in ligand-grafted PEGylated liposomes in vivo has not been validated. The aim of this study was to validate the in vivo targeting ability of HFQ lipid-grafted PEGylated liposomes. We synthesized lipids containing GRGDS (RGD-(SG) n-lipid) to target integrin αvβ3 and prepared RGD-(SG) n/PEGylated liposomes. Subsequently, their cellular uptake characteristics in murine colon carcinoma (Colon-26) cells were evaluated. Two-color imaging of liposomes and tumor blood vessels following tissue clearing was performed to examine the spatial intratumoral distribution of liposomes. RGD-(SG)5/PEGylated liposomes were selectively associated with the cells in vitro. In vivo analysis of intratumoral distribution following tissue clearing revealed the superior targeting ability of RGD-(SG)5/PEGylated liposomes compared with that of conventional RGD-PEG2000/PEGylated liposomes for both tumor tissues and tumor blood vessels. We successfully synthesized RGD-HFQ lipids to prepare RGD-grafted PEGylated liposomes for the efficient targeting of integrin αvβ3-expressing cells. To the best of our knowledge, this is the first report of the intratumoral distribution of ligand-grafted PEGylated liposomes by two-color imaging following tissue clearing.
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Affiliation(s)
- Tadaharu Suga
- Department of Pharmaceutical Informatics, Graduate School of Biomedical Sciences , Nagasaki University , 1-7-1 Sakamoto-machi , Nagasaki 852-8588 , Japan.,Department of Analytical Chemistry for Pharmaceutics, Graduate School of Biomedical Sciences , Nagasaki University , 1-14 Bunkyo-machi , Nagasaki 852-8521 , Japan
| | - Naoya Kato
- Department of Pharmaceutical Informatics, Graduate School of Biomedical Sciences , Nagasaki University , 1-7-1 Sakamoto-machi , Nagasaki 852-8588 , Japan
| | - Masayori Hagimori
- Department of Pharmaceutical Informatics, Graduate School of Biomedical Sciences , Nagasaki University , 1-7-1 Sakamoto-machi , Nagasaki 852-8588 , Japan
| | - Yuki Fuchigami
- Department of Pharmaceutical Informatics, Graduate School of Biomedical Sciences , Nagasaki University , 1-7-1 Sakamoto-machi , Nagasaki 852-8588 , Japan
| | - Naotaka Kuroda
- Department of Analytical Chemistry for Pharmaceutics, Graduate School of Biomedical Sciences , Nagasaki University , 1-14 Bunkyo-machi , Nagasaki 852-8521 , Japan
| | - Yukinobu Kodama
- Department of Hospital Pharmacy , Nagasaki University Hospital , 1-7-1 Sakamoto-machi , Nagasaki 852-8501 , Japan
| | - Hitoshi Sasaki
- Department of Hospital Pharmacy , Nagasaki University Hospital , 1-7-1 Sakamoto-machi , Nagasaki 852-8501 , Japan
| | - Shigeru Kawakami
- Department of Pharmaceutical Informatics, Graduate School of Biomedical Sciences , Nagasaki University , 1-7-1 Sakamoto-machi , Nagasaki 852-8588 , Japan
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20
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Hunter CD, Guo T, Daskhan G, Richards MR, Cairo CW. Synthetic Strategies for Modified Glycosphingolipids and Their Design as Probes. Chem Rev 2018; 118:8188-8241. [DOI: 10.1021/acs.chemrev.8b00070] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Affiliation(s)
- Carmanah D. Hunter
- Alberta Glycomics Centre, Department of Chemistry, University of Alberta, Edmonton, Alberta T6G 2G2, Canada
| | - Tianlin Guo
- Alberta Glycomics Centre, Department of Chemistry, University of Alberta, Edmonton, Alberta T6G 2G2, Canada
| | - Gour Daskhan
- Alberta Glycomics Centre, Department of Chemistry, University of Alberta, Edmonton, Alberta T6G 2G2, Canada
| | - Michele R. Richards
- Alberta Glycomics Centre, Department of Chemistry, University of Alberta, Edmonton, Alberta T6G 2G2, Canada
| | - Christopher W. Cairo
- Alberta Glycomics Centre, Department of Chemistry, University of Alberta, Edmonton, Alberta T6G 2G2, Canada
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