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Varghese M, Sockett KA, El-Arid S, Korunes-Miller J, Guigner JM, Grinstaff MW. Synthesis of Amphiphilic Diblock Poly-amido-saccharides and Self-Assembly of Polymeric Nanostructures. Macromolecules 2022. [DOI: 10.1021/acs.macromol.2c00146] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
| | | | | | | | - Jean-Michel Guigner
- Institut de Minéralogie, de Physique des Matériaux et de Cosmochimie (IMPMC), Sorbonne Université, 75252 Paris Cedex 05, France
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Varghese M, Haque F, Lu W, Grinstaff MW. Synthesis and Characterization of Regioselectively Functionalized Mono-Sulfated and -Phosphorylated Anionic Poly-Amido-Saccharides. Biomacromolecules 2022; 23:2075-2088. [PMID: 35420791 DOI: 10.1021/acs.biomac.2c00086] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Polysaccharides are abundant in nature and employed in various biomedical applications ranging from scaffolds for tissue engineering to carriers for drug delivery systems. However, drawbacks such as tedious isolation protocols, contamination, batch-to-batch consistency, and lack of compositional control with regards to stereo- and regioselectivity impede the development and utility of polysaccharides, and thus mimetics are highly sought after. We report a synthetic strategy to regioselectively functionalize poly-amido-saccharides with sulfate or phosphate groups using post-polymerization modification reactions. Orthogonally protected β-lactam monomers, synthesized from D-glucal, undergo anionic ring-opening polymerization to yield polymers with degrees of polymerization of 12, 25, and 50. Regioselective deprotection followed by functionalization and global deprotection affords the sulfated and phosphorylated poly-amido-saccharides. The resulting anionic polymers are water soluble and non-cytotoxic and adopt helical conformations. This new methodology provides access to otherwise inaccessible functional polysaccharide mimetics for biomedical applications.
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Affiliation(s)
- Maria Varghese
- Department of Chemistry, Boston University, Boston, Massachusetts 02215, United States
| | - Farihah Haque
- Tosoh Bioscience LLC, King of Prussia, Pennsylvania 19406-4705, United States
| | - Wei Lu
- Tosoh Bioscience LLC, King of Prussia, Pennsylvania 19406-4705, United States
| | - Mark W Grinstaff
- Department of Chemistry, Boston University, Boston, Massachusetts 02215, United States.,Department of Biomedical Engineering, Boston University, Boston, Massachusetts 02215, United States
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Balijepalli AS, Grinstaff MW. Poly-Amido-Saccharides (PASs): Functional Synthetic Carbohydrate Polymers Inspired by Nature. Acc Chem Res 2020; 53:2167-2179. [PMID: 32892620 DOI: 10.1021/acs.accounts.0c00263] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
Carbohydrates are ubiquitous in nature, playing vital roles in all organisms ranging from metabolism to intercellular signaling. Polysaccharides, repeating units of small molecule carbohydrates, are hydrophilic, densely functionalized, stereoregular, and rigid macromolecules, and these characteristics are simultaneously advantageous in biomedical applications while presenting major hurdles for synthetic methodology and development of structure property relationships. While naturally obtained polysaccharides are widely utilized in the biochemical and medical literature, their poor physicochemical definition and the potential for contaminated samples hinders the clinical translation of this work. To address the need for new methods to synthesize carbohydrate polymers, we reported a novel class of biomaterials (Poly-Amido-Saccharides; PAS) in 2012. PASs share many properties with natural polysaccharides, such as hydrophilicity, dense hydroxyl functionality, stereoregularity, and a rigid backbone. PASs are connected by an α-1,2-amide linkage, instead of an ether linkage, that confers resistance to enzymatic and hydrolytic degradation and leads to a unique helical conformation. Importantly, our synthetic methodology affords control over molecular weight distribution resulting in pure, well-defined polymers. This Account provides an overview of the development of PAS, from the factors that initially motivated our research to current efforts to translate functional PAS to biomedical applications. We detail the synthesis of glucose- and galactose-based PAS and their biophysical properties including conformation analysis, lectin interactions, cell internalization, and water solubility. Additionally, we describe postpolymerization modification strategies to afford PASs that act as protein stabilizers. We also highlight our recent efforts toward a mechanistic understanding of monomer synthesis via [2 + 2] cycloaddition reactions in order to develop novel monomers with different stereochemistry and amine or alkyl functionality, thereby accessing functional carbohydrate polymers. Throughout our work, we apply computational and theoretical analysis to explain how properties at the monomer level (e.g., stereochemistry, functionality) significantly impact polymer properties, helical conformation, and bioactivities. Collectively, the results from the theoretical, synthetic, and applied aspects of this research advance us toward our goal of utilizing PASs in key biomedical applications as alternatives to natural polysaccharides. The importance of carbohydrates in nature and the versatility of their functions continue to inspire our investigation of new monomers, polymers, and copolymers, leveraging the advantageous properties of PAS to develop potential therapies.
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Affiliation(s)
- Anant S. Balijepalli
- Department of Biomedical Engineering, Boston University, 44 Cummington Mall, Boston, Massachusetts 02215, United States
| | - Mark W. Grinstaff
- Department of Biomedical Engineering, Boston University, 44 Cummington Mall, Boston, Massachusetts 02215, United States
- Department of Chemistry, Boston University, 590 Commonwealth Avenue, Boston, Massachusetts 02215, United States
- Department of Medicine, Boston University, 72 East Concord Street, Boston, Massachusetts 02118, United States
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López-Vidal EM, Gregory GL, Kociok-Köhn G, Buchard A. Polymers from sugars and CS2: synthesis and ring-opening polymerisation of sulfur-containing monomers derived from 2-deoxy-d-ribose and d-xylose. Polym Chem 2018. [DOI: 10.1039/c8py00119g] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Abstract
Cyclic thionocarbonate and xanthate monomers were synthesised directly from ribose- and xylose-derived diols and CS2, and yielded novel sugar-based polymers with regioregular sulfur-containing linkages.
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Affiliation(s)
| | - Georgina L. Gregory
- Department of Chemistry
- University of Bath
- Bath BA2 7AY
- UK
- Centre for Doctoral Training in Sustainable Chemical Technologies
| | - Gabriele Kociok-Köhn
- Chemical Characterisation and Analysis Facilities
- University of Bath
- Bath BA2 7AY
- UK
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Ban Q, Chen H, Yan Y, Tian N, Kong J. Tunable intramolecular cyclization and glass transition temperature of hyperbranched polymers by regulating monomer reactivity. Eur Polym J 2017. [DOI: 10.1016/j.eurpolymj.2017.09.039] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
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Gregory GL, López-Vidal EM, Buchard A. Polymers from sugars: cyclic monomer synthesis, ring-opening polymerisation, material properties and applications. Chem Commun (Camb) 2017; 53:2198-2217. [DOI: 10.1039/c6cc09578j] [Citation(s) in RCA: 89] [Impact Index Per Article: 12.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
This feature article gives an overview of sugar-based polymers that can be made by ring-opening-polymerisation and their applications.
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Bordessa A, Ferry A, Lubin-Germain N. Access to Complex C2-Branched Glycoconjugates via Palladium-Catalyzed Aminocarbonylation Reaction of 2-Iodoglycals. J Org Chem 2016; 81:12459-12465. [DOI: 10.1021/acs.joc.6b02278] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Affiliation(s)
- Andrea Bordessa
- Laboratoire de Chimie Biologique
(LCB), Université de Cergy-Pontoise, EA 4505, 5 Mail Gay-Lussac, 95031 Cergy-Pontoise, France
| | - Angélique Ferry
- Laboratoire de Chimie Biologique
(LCB), Université de Cergy-Pontoise, EA 4505, 5 Mail Gay-Lussac, 95031 Cergy-Pontoise, France
| | - Nadège Lubin-Germain
- Laboratoire de Chimie Biologique
(LCB), Université de Cergy-Pontoise, EA 4505, 5 Mail Gay-Lussac, 95031 Cergy-Pontoise, France
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Ricapito NG, Ghobril C, Zhang H, Grinstaff MW, Putnam D. Synthetic Biomaterials from Metabolically Derived Synthons. Chem Rev 2016; 116:2664-704. [PMID: 26821863 PMCID: PMC5810137 DOI: 10.1021/acs.chemrev.5b00465] [Citation(s) in RCA: 54] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
The utility of metabolic synthons as the building blocks for new biomaterials is based on the early application and success of hydroxy acid based polyesters as degradable sutures and controlled drug delivery matrices. The sheer number of potential monomers derived from the metabolome (e.g., lactic acid, dihydroxyacetone, glycerol, fumarate) gives rise to almost limitless biomaterial structural possibilities, functionality, and performance characteristics, as well as opportunities for the synthesis of new polymers. This review describes recent advances in new chemistries, as well as the inventive use of traditional chemistries, toward the design and synthesis of new polymers. Specific polymeric biomaterials can be prepared for use in varied medical applications (e.g., drug delivery, tissue engineering, wound repair, etc.) through judicious selection of the monomer and backbone linkage.
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Affiliation(s)
- Nicole G. Ricapito
- School of Chemical and Biomolecular Engineering, Cornell University, Ithaca, New York 14853, United States
| | - Cynthia Ghobril
- Department of Chemistry, Boston University, Boston, Massachusetts 02215, United States
| | - Heng Zhang
- Department of Chemistry, Boston University, Boston, Massachusetts 02215, United States
| | - Mark W. Grinstaff
- Department of Chemistry, Boston University, Boston, Massachusetts 02215, United States
- Department of Biomedical Engineering, Boston University, Boston, Massachusetts 02215, United States
- Department of Medicine, Boston University School of Medicine, Boston, Massachusetts 02118, United States
| | - David Putnam
- School of Chemical and Biomolecular Engineering, Cornell University, Ithaca, New York 14853, United States
- Meinig School of Biomedical Engineering, Cornell University, Ithaca, New York 14853, United States
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Kim DY, Kang DG, Shin S, Choi TL, Jeong KU. Hierarchical superstructures of norbornene-based polymers depending on dendronized side-chains. Polym Chem 2016. [DOI: 10.1039/c6py01286h] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
For understanding the self-assembly behaviours of norbornene-based main-chain polymers depending on side-chain pendants, a series of polynorbornenes containing the programmed dendrons is newly designed and successfully synthesized via ring opening metathesis polymerization.
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Affiliation(s)
- Dae-Yoon Kim
- BK21 Plus Haptic Polymer Composite Research Team & Department of Polymer-Nano Science and Technology
- Chonbuk National University
- Jeonju
- Korea
| | - Dong-Gue Kang
- BK21 Plus Haptic Polymer Composite Research Team & Department of Polymer-Nano Science and Technology
- Chonbuk National University
- Jeonju
- Korea
| | - Suyong Shin
- Department of Chemistry
- Seoul National University
- Seoul 08826
- Korea
| | - Tae-Lim Choi
- Department of Chemistry
- Seoul National University
- Seoul 08826
- Korea
| | - Kwang-Un Jeong
- BK21 Plus Haptic Polymer Composite Research Team & Department of Polymer-Nano Science and Technology
- Chonbuk National University
- Jeonju
- Korea
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Galbis JA, García-Martín MDG, de Paz MV, Galbis E. Synthetic Polymers from Sugar-Based Monomers. Chem Rev 2015; 116:1600-36. [DOI: 10.1021/acs.chemrev.5b00242] [Citation(s) in RCA: 238] [Impact Index Per Article: 26.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Juan A. Galbis
- Department of Organic and
Pharmaceutical Chemistry, University of Seville, 41071 Seville, Spain
| | | | - M. Violante de Paz
- Department of Organic and
Pharmaceutical Chemistry, University of Seville, 41071 Seville, Spain
| | - Elsa Galbis
- Department of Organic and
Pharmaceutical Chemistry, University of Seville, 41071 Seville, Spain
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