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Urakami S, Hinou H. Sodium-Doped 3-Amino-4-hydroxybenzoic Acid: Rediscovered Matrix for Direct MALDI Glycotyping of O-Linked Glycopeptides and Intact Mucins. Int J Mol Sci 2023; 24:16836. [PMID: 38069159 PMCID: PMC10706304 DOI: 10.3390/ijms242316836] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2023] [Revised: 11/21/2023] [Accepted: 11/26/2023] [Indexed: 12/18/2023] Open
Abstract
3-Amino-4-hydroxybenzoic acid (AHB) was the first matrix identified by glycoprotein glycan analysis using matrix-assisted laser desorption/ionization mass spectrometry (MALDI-MS). However, compared to commonly used matrices, such as 2,5-dihydroxybenzoic acid (DHB), AHB is less efficient at glycan ionization and lacks the ability to ionize other molecular species, such as peptides, and thus is no longer used. In this study, we focused on the glycan-selective ionization ability of AHB and its low-noise properties in the low-molecular-weight region, as we expected that these properties could be enhanced by adding sodium to AHB. Sodium-doped AHB (AHB/Na) selectively imparts sodium adduct ions onto O-glycan fragments generated by the in-source decay (ISD) of glycopeptides and glycoproteins containing O-glycans that occurs during intense laser irradiation, enabling direct O-glycan analysis. Furthermore, we demonstrated that it is possible to investigate the internal structure of each O-glycan fragment with pseudo-MS/MS/MS using the sodium adduct ion of the O-glycan-derived ISD fragments from an intact mucin mixture.
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Affiliation(s)
- Shogo Urakami
- Graduate School of Life Science, Hokkaido University, Sapporo 001-0021, Japan;
| | - Hiroshi Hinou
- Frontier Research Center for Advanced Material and Life Science, Faculty of Advanced Life Science, Hokkaido University, Sapporo 001-0021, Japan
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2
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Mousazadehkasin M, Mitchell N, Asenath-Smith E, Tsavalas JG. Ice Nucleation Promotion Impact on the Ice Recrystallization Inhibition Activity of Polyols. Biomacromolecules 2023; 24:678-689. [PMID: 36648113 DOI: 10.1021/acs.biomac.2c01120] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Abstract
Heterogeneous ice nucleation occurs vis-à-vis nucleating agents already present in solution yet can occur within a rather broad range of temperatures (0 to ca. -38 °C). Controlling this temperature and the subsequent growth of resulting ice crystals is crucial for the survival of biological organisms (certain insects, fish, and plants that endure subzero temperatures), as well as in the context of medical cryopreservation and food science. In these environments, uncontrolled crystal shape and size can rupture the cell membrane causing irreversible and catastrophic damage. Antifreeze (AF) proteins and synthetic AF analogs address this issue to restrict crystal growth and to shape ice crystals. Yet, if the nucleation temperature is not controlled and occurs in a lower temperature range, nascent ice crystals will have grown to a significantly larger size before the AF agents can be active on their surface to halt or slow the Ostwald ripening process during recrystallization. At a higher nucleation temperature, diffusion of AF macromolecules is enhanced, and dynamic crystal shaping can start earlier, producing smaller crystals overall. While antifreeze proteins, the inspiration for these synthetic analogs, are always applied in a salt buffer aqueous environment (most typically phosphate-buffered saline (PBS) buffer), the heterogeneous nucleation events are stochastic and occur within a wide temperature range. Silver iodide (AgI), however, is a highly effective ice nucleation promoter as its crystal lattice structure is a 98% lattice match to the basal plane of hexagonal ice (Ih) crystals acting as a template for water molecule orientation and decreasing the interfacial free energy. Here, we expose the advantage of purposely seeding such nascent ice crystals with AgI at a defined and higher temperature (-7 °C) in ultrapure water (UPW) such that nucleation can only come from AgI (and also in AgI/PBS), resulting in the most potent synthetic IRI observed to date (at concentrations as low as 0.001 mg·mL-1).
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Affiliation(s)
- Mohammad Mousazadehkasin
- Department of Chemistry, University of New Hampshire, Durham, New Hampshire 03824, United States
| | - Nick Mitchell
- Department of Chemistry, University of New Hampshire, Durham, New Hampshire 03824, United States
| | - Emily Asenath-Smith
- Cold Regions Research and Engineering Laboratory, US Army Engineer Research and Development Center, Hanover, New Hampshire 03755, United States
| | - John G Tsavalas
- Department of Chemistry, University of New Hampshire, Durham, New Hampshire 03824, United States.,Materials Science Program, University of New Hampshire, Durham, New Hampshire 03824, United States
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3
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Goyard D, Ortiz AMS, Boturyn D, Renaudet O. Multivalent glycocyclopeptides: conjugation methods and biological applications. Chem Soc Rev 2022; 51:8756-8783. [PMID: 36193815 PMCID: PMC9575389 DOI: 10.1039/d2cs00640e] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2022] [Indexed: 11/21/2022]
Abstract
Click chemistry was extensively used to decorate synthetic multivalent scaffolds with glycans to mimic the cell surface glycocalyx and to develop applications in glycosciences. Conjugation methods such as oxime ligation, copper(I)-catalyzed alkyne-azide cycloaddition, thiol-ene coupling, squaramide coupling or Lansbury aspartylation proved particularly suitable to achieve this purpose. This review summarizes the synthetic strategies that can be used either in a stepwise manner or in an orthogonal one-pot approach, to conjugate multiple copies of identical or different glycans to cyclopeptide scaffolds (namely multivalent glycocyclopeptides) having different size, valency, geometry and molecular composition. The second part of this review will describe the potential of these structures to interact with various carbohydrate binding proteins or to stimulate immunity against tumor cells.
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Affiliation(s)
- David Goyard
- Univ. Grenoble Alpes, CNRS, DCM UMR 5250, F-38000 Grenoble, France.
| | | | - Didier Boturyn
- Univ. Grenoble Alpes, CNRS, DCM UMR 5250, F-38000 Grenoble, France.
| | - Olivier Renaudet
- Univ. Grenoble Alpes, CNRS, DCM UMR 5250, F-38000 Grenoble, France.
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4
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Surís-Valls R, Voets IK. Peptidic Antifreeze Materials: Prospects and Challenges. Int J Mol Sci 2019; 20:E5149. [PMID: 31627404 PMCID: PMC6834126 DOI: 10.3390/ijms20205149] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2019] [Revised: 10/05/2019] [Accepted: 10/10/2019] [Indexed: 12/28/2022] Open
Abstract
Necessitated by the subzero temperatures and seasonal exposure to ice, various organisms have developed a remarkably effective means to survive the harsh climate of their natural habitats. Their ice-binding (glyco)proteins keep the nucleation and growth of ice crystals in check by recognizing and binding to specific ice crystal faces, which arrests further ice growth and inhibits ice recrystallization (IRI). Inspired by the success of this adaptive strategy, various approaches have been proposed over the past decades to engineer materials that harness these cryoprotective features. In this review we discuss the prospects and challenges associated with these advances focusing in particular on peptidic antifreeze materials both identical and akin to natural ice-binding proteins (IBPs). We address the latest advances in their design, synthesis, characterization and application in preservation of biologics and foods. Particular attention is devoted to insights in structure-activity relations culminating in the synthesis of de novo peptide analogues. These are sequences that resemble but are not identical to naturally occurring IBPs. We also draw attention to impactful developments in solid-phase peptide synthesis and 'greener' synthesis routes, which may aid to overcome one of the major bottlenecks in the translation of this technology: unavailability of large quantities of low-cost antifreeze materials with excellent IRI activity at (sub)micromolar concentrations.
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Affiliation(s)
- Romà Surís-Valls
- Laboratory of Self-Organizing Soft Matter, Laboratory of Macro-Organic Chemistry, Department of Chemical Engineering and Chemistry & Institute for Complex Molecular Systems, Eindhoven University of Technology, Post Office Box 513, 5600 MD Eindhoven, The Netherlands.
| | - Ilja K Voets
- Laboratory of Self-Organizing Soft Matter, Laboratory of Macro-Organic Chemistry, Department of Chemical Engineering and Chemistry & Institute for Complex Molecular Systems, Eindhoven University of Technology, Post Office Box 513, 5600 MD Eindhoven, The Netherlands.
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5
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Brotzakis ZF, Gehre M, Voets IK, Bolhuis PG. Stability and growth mechanism of self-assembling putative antifreeze cyclic peptides. Phys Chem Chem Phys 2018; 19:19032-19042. [PMID: 28702528 DOI: 10.1039/c7cp02465g] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
Cyclic peptides (CPs) that self-assemble in nanotubes can be candidates for use as antifreeze proteins. Based on the cyclic peptide sequence cyclo-[(l-LYS-d-ALA-l-LEU-d-ALA)2], which can stack into nanotubes, we propose a putative antifreeze cyclic peptide (AFCP) sequence, cyclo-[(l-LYS-d-ALA)2-(l-THR-d-ALA)2], containing THR-ALA-THR ice binding motifs. Using molecular dynamics simulations we investigate the stability of these cyclic peptides and their growth mechanism. Both nanotube sequences get more stable as a function of size. The relative stability of the AFCP sequence CPNT increases at sizes greater than a dimer by forming intermolecular THR side chain H-bonds. We find that, like the naturally occurring AF protein from spruce budworm (Choristoneura fumiferana), the THR distances of the AFCP's ice binding motif match the ice prism plane O-O distances, thus making the AFCP a suitable AF candidate. In addition, we investigated the nanotube growth process, i.e. the association/dissociation of a single CP to an existing AFCP nanotube, by Transition Path Sampling. We found a general dock-lock mechanism, in which a single CP first docks loosely before locking into place. Moreover, we identified several qualitatively different mechanisms for association, involving different metastable intermediates, including a state in which the peptide was misfolded inside the hydrophobic core of the tube. Finally, we find evidence for a mechanism involving non-specific association followed by 1D diffusion. Under most conditions, this will be the dominant pathway. The results yield insights into the mechanisms of peptide assembly, and might lead to an improved design of self-assembling antifreeze proteins.
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Affiliation(s)
- Z Faidon Brotzakis
- Van't Hoff Institute for Molecular Sciences, Universiteit van Amsterdam, Science Park 904, 1098 XH Amsterdam, The Netherlands.
| | - Mascha Gehre
- Van't Hoff Institute for Molecular Sciences, Universiteit van Amsterdam, Science Park 904, 1098 XH Amsterdam, The Netherlands.
| | - Ilja K Voets
- Laboratory of Macromolecular and Organic Chemistry, Laboratory of Physical Chemistry, and Institute for Complex Molecular Systems, Eindhoven University of Technology, Post Office Box 513, 5600 MB, Eindhoven, The Netherlands
| | - Peter G Bolhuis
- Van't Hoff Institute for Molecular Sciences, Universiteit van Amsterdam, Science Park 904, 1098 XH Amsterdam, The Netherlands.
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Kim HJ, Lee JH, Hur YB, Lee CW, Park SH, Koo BW. Marine Antifreeze Proteins: Structure, Function, and Application to Cryopreservation as a Potential Cryoprotectant. Mar Drugs 2017; 15:md15020027. [PMID: 28134801 PMCID: PMC5334608 DOI: 10.3390/md15020027] [Citation(s) in RCA: 96] [Impact Index Per Article: 13.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2016] [Accepted: 01/20/2017] [Indexed: 11/16/2022] Open
Abstract
Antifreeze proteins (AFPs) are biological antifreezes with unique properties, including thermal hysteresis(TH),ice recrystallization inhibition(IRI),and interaction with membranes and/or membrane proteins. These properties have been utilized in the preservation of biological samples at low temperatures. Here, we review the structure and function of marine-derived AFPs, including moderately active fish AFPs and hyperactive polar AFPs. We also survey previous and current reports of cryopreservation using AFPs. Cryopreserved biological samples are relatively diverse ranging from diatoms and reproductive cells to embryos and organs. Cryopreserved biological samples mainly originate from mammals. Most cryopreservation trials using marine-derived AFPs have demonstrated that addition of AFPs can improve post-thaw viability regardless of freezing method (slow-freezing or vitrification), storage temperature, and types of biological sample type.
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Affiliation(s)
- Hak Jun Kim
- Department of Chemistry, Pukyong National University, Busan 48513, Korea.
| | - Jun Hyuck Lee
- Unit of Polar Genomics, Korea Polar Research Institute, Incheon 21990, Korea.
| | - Young Baek Hur
- Tidal Flat Research Institute, National Fisheries Research and Development Institute, Gunsan, Jeonbuk 54014, Korea.
| | - Chang Woo Lee
- Unit of Polar Genomics, Korea Polar Research Institute, Incheon 21990, Korea.
| | - Sun-Ha Park
- Unit of Polar Genomics, Korea Polar Research Institute, Incheon 21990, Korea.
| | - Bon-Won Koo
- Department of Chemistry, Pukyong National University, Busan 48513, Korea.
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7
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Urbańczyk M, Góra J, Latajka R, Sewald N. Antifreeze glycopeptides: from structure and activity studies to current approaches in chemical synthesis. Amino Acids 2016; 49:209-222. [PMID: 27913993 PMCID: PMC5274654 DOI: 10.1007/s00726-016-2368-z] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2016] [Accepted: 11/18/2016] [Indexed: 01/02/2023]
Abstract
Antifreeze glycopeptides (AFGPs) are a class of biological antifreeze agents found predominantly in Arctic and Antarctic species of fish. They possess the ability to regulate ice nucleation and ice crystal growth, thus creating viable life conditions at temperatures below the freezing point of body fluids. AFGPs usually consist of 4–55 repetitions of the tripeptide unit Ala–Ala–Thr that is O-glycosylated at the threonine side chains with β-d-galactosyl-(1 → 3)-α-N-acetyl-d-galactosamine. Due to their interesting properties and high antifreeze activity, they have many potential applications, e.g., in food industry and medicine. Current research is focused towards understanding the relationship between the structural preferences and the activity of the AFGPs, as well as developing time and cost efficient ways of synthesis of this class of molecules. Recent computational studies in conjunction with experimental results from NMR and THz spectroscopies were a possible breakthrough in understanding the mechanism of action of AFGPs. At the moment, as a result of these findings, the focus of research is shifted towards the analysis of behaviour of the hydration shell around AFGPs and the impact of water-dynamics retardation caused by AFGPs on ice crystal growth. In the field of organic synthesis of AFGP analogues, most of the novel protocols are centered around solid-phase peptide synthesis and multiple efforts are made to optimize this approach. In this review, we present the current state of knowledge regarding the structure and activity of AFGPs, as well as approaches to organic synthesis of these molecules with focus on the most recent developments.
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Affiliation(s)
- Małgorzata Urbańczyk
- Department of Organic and Pharmaceutical Technology, Faculty of Chemistry, Wrocław University of Science and Technology, Wybrzeże St. Wyspiańskiego 29, 50-370, Wrocław, Poland
| | - Jerzy Góra
- Department of Organic and Pharmaceutical Technology, Faculty of Chemistry, Wrocław University of Science and Technology, Wybrzeże St. Wyspiańskiego 29, 50-370, Wrocław, Poland
| | - Rafał Latajka
- Department of Organic and Pharmaceutical Technology, Faculty of Chemistry, Wrocław University of Science and Technology, Wybrzeże St. Wyspiańskiego 29, 50-370, Wrocław, Poland.
| | - Norbert Sewald
- Organic Chemistry III, Department of Chemistry, Bielefeld University, Universitätsstrasse 25, 33615, Bielefeld, Germany.
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8
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Affiliation(s)
- Maya Bar Dolev
- Institute of Biochemistry, Food Science and Nutrition, Robert H. Smith Faculty of Agricultural, Food and Environment, The Hebrew University of Jerusalem, Rehovot 7610001, Israel; ,
| | - Ido Braslavsky
- Institute of Biochemistry, Food Science and Nutrition, Robert H. Smith Faculty of Agricultural, Food and Environment, The Hebrew University of Jerusalem, Rehovot 7610001, Israel; ,
| | - Peter L. Davies
- Department of Biomedical and Molecular Science, Queen's University, Kingston, Ontario K7L 3N6, Canada;
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Harvey DJ. Analysis of carbohydrates and glycoconjugates by matrix-assisted laser desorption/ionization mass spectrometry: an update for 2009-2010. MASS SPECTROMETRY REVIEWS 2015; 34:268-422. [PMID: 24863367 PMCID: PMC7168572 DOI: 10.1002/mas.21411] [Citation(s) in RCA: 46] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/12/2013] [Revised: 07/16/2013] [Accepted: 07/16/2013] [Indexed: 05/07/2023]
Abstract
This review is the sixth update of the original article published in 1999 on the application of MALDI mass spectrometry to the analysis of carbohydrates and glycoconjugates and brings coverage of the literature to the end of 2010. General aspects such as theory of the MALDI process, matrices, derivatization, MALDI imaging, arrays and fragmentation are covered in the first part of the review and applications to various structural typed constitutes the remainder. The main groups of compound that are discussed in this section are oligo and polysaccharides, glycoproteins, glycolipids, glycosides and biopharmaceuticals. Many of these applications are presented in tabular form. Also discussed are medical and industrial applications of the technique, studies of enzyme reactions and applications to chemical synthesis.
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Affiliation(s)
- David J. Harvey
- Department of BiochemistryOxford Glycobiology InstituteUniversity of OxfordOxfordOX1 3QUUK
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10
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van der Wal S, Capicciotti CJ, Rontogianni S, Ben RN, Liskamp RMJ. Synthesis and evaluation of linear CuAAC-oligomerized antifreeze neo-glycopeptides. MEDCHEMCOMM 2014. [DOI: 10.1039/c4md00013g] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
An azido/alkyne-containing glycopeptide monomer was synthesized and CuAAC-oligomerized to obtain a triazole-containing antifreeze glycopeptide analogue with moderate antifreeze activity.
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Affiliation(s)
- Steffen van der Wal
- Medicinal Chemistry and Chemical Biology
- Utrecht Institute for Pharmaceutical Sciences (UIPS)
- University Utrecht
- Utrecht
- The Netherlands
| | | | - Stamatia Rontogianni
- Medicinal Chemistry and Chemical Biology
- Utrecht Institute for Pharmaceutical Sciences (UIPS)
- University Utrecht
- Utrecht
- The Netherlands
| | - Robert N. Ben
- Department of Chemistry
- University of Ottawa
- Ottawa
- Canada
| | - Rob M. J. Liskamp
- Medicinal Chemistry and Chemical Biology
- Utrecht Institute for Pharmaceutical Sciences (UIPS)
- University Utrecht
- Utrecht
- The Netherlands
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11
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Bang JK, Lee JH, Murugan RN, Lee SG, Do H, Koh HY, Shim HE, Kim HC, Kim HJ. Antifreeze peptides and glycopeptides, and their derivatives: potential uses in biotechnology. Mar Drugs 2013; 11:2013-41. [PMID: 23752356 PMCID: PMC3721219 DOI: 10.3390/md11062013] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2013] [Revised: 04/22/2013] [Accepted: 05/10/2013] [Indexed: 01/14/2023] Open
Abstract
Antifreeze proteins (AFPs) and glycoproteins (AFGPs), collectively called AF(G)Ps, constitute a diverse class of proteins found in various Arctic and Antarctic fish, as well as in amphibians, plants, and insects. These compounds possess the ability to inhibit the formation of ice and are therefore essential to the survival of many marine teleost fishes that routinely encounter sub-zero temperatures. Owing to this property, AF(G)Ps have potential applications in many areas such as storage of cells or tissues at low temperature, ice slurries for refrigeration systems, and food storage. In contrast to AFGPs, which are composed of repeated tripeptide units (Ala-Ala-Thr)n with minor sequence variations, AFPs possess very different primary, secondary, and tertiary structures. The isolation and purification of AFGPs is laborious, costly, and often results in mixtures, making characterization difficult. Recent structural investigations into the mechanism by which linear and cyclic AFGPs inhibit ice crystallization have led to significant progress toward the synthesis and assessment of several synthetic mimics of AFGPs. This review article will summarize synthetic AFGP mimics as well as current challenges in designing compounds capable of mimicking AFGPs. It will also cover our recent efforts in exploring whether peptoid mimics can serve as structural and functional mimics of native AFGPs.
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Affiliation(s)
- Jeong Kyu Bang
- Division of Magnetic Resonance, Korea Basic Scienc Institute, Chungbuk 363-833, Korea; E-Mails: (J.K.B.); (R.N.M.)
| | - Jun Hyuck Lee
- Division of Polar Life Sciences, Korea Polar Research Institute, Incheon 406-840, Korea; E-Mails: (J.H.L.); (S.G.L.); (H.D.); (H.Y.K.); (H.-E.S.)
- Department of Polar Sciences, University of Science and Technology, Incheon 406-840, Korea
| | - Ravichandran N. Murugan
- Division of Magnetic Resonance, Korea Basic Scienc Institute, Chungbuk 363-833, Korea; E-Mails: (J.K.B.); (R.N.M.)
| | - Sung Gu Lee
- Division of Polar Life Sciences, Korea Polar Research Institute, Incheon 406-840, Korea; E-Mails: (J.H.L.); (S.G.L.); (H.D.); (H.Y.K.); (H.-E.S.)
- Department of Polar Sciences, University of Science and Technology, Incheon 406-840, Korea
| | - Hackwon Do
- Division of Polar Life Sciences, Korea Polar Research Institute, Incheon 406-840, Korea; E-Mails: (J.H.L.); (S.G.L.); (H.D.); (H.Y.K.); (H.-E.S.)
- Department of Polar Sciences, University of Science and Technology, Incheon 406-840, Korea
| | - Hye Yeon Koh
- Division of Polar Life Sciences, Korea Polar Research Institute, Incheon 406-840, Korea; E-Mails: (J.H.L.); (S.G.L.); (H.D.); (H.Y.K.); (H.-E.S.)
| | - Hye-Eun Shim
- Division of Polar Life Sciences, Korea Polar Research Institute, Incheon 406-840, Korea; E-Mails: (J.H.L.); (S.G.L.); (H.D.); (H.Y.K.); (H.-E.S.)
| | - Hyun-Cheol Kim
- Division of Polar Climate Research, Korea Polar Research Institute, Incheon 406-840, Korea; E-Mail:
| | - Hak Jun Kim
- Division of Polar Life Sciences, Korea Polar Research Institute, Incheon 406-840, Korea; E-Mails: (J.H.L.); (S.G.L.); (H.D.); (H.Y.K.); (H.-E.S.)
- Department of Polar Sciences, University of Science and Technology, Incheon 406-840, Korea
- Author to whom correspondence should be addressed; E-Mail: ; Tel.: +82-32-760-5550; Fax: +82-32-760-5598
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Corcilius L, Santhakumar G, Stone RS, Capicciotti CJ, Joseph S, Matthews JM, Ben RN, Payne RJ. Synthesis of peptides and glycopeptides with polyproline II helical topology as potential antifreeze molecules. Bioorg Med Chem 2013; 21:3569-81. [DOI: 10.1016/j.bmc.2013.02.025] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2013] [Revised: 02/01/2013] [Accepted: 02/12/2013] [Indexed: 10/27/2022]
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13
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Haridas V, Naik S. Natural macromolecular antifreeze agents to synthetic antifreeze agents. RSC Adv 2013. [DOI: 10.1039/c3ra00081h] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023] Open
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14
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Abstract
The ability of natural peptides and proteins to influence the formation of inorganic crystalline materials has prompted the design of synthetic compounds for the regulation of crystal growth, including the freezing of water and growth of ice crystals. Despite their versatility and ease of structural modification, peptidomimetic oligomers have not yet been explored extensively as crystallization modulators. This report describes a library of synthetic N-substituted glycine peptoid oligomers that possess "dual-action" antifreeze activity as exemplified by ice crystal growth inhibition concomitant with melting temperature reduction. We investigated the structural features responsible for these phenomena and observed that peptoid antifreeze activities depend both on oligomer backbone structure and side chain chemical composition. These studies reveal the capability of peptoids to act as ice crystallization regulators, enabling the discovery of a unique and diverse family of synthetic oligomers with potential as antifreeze agents in food production and biomedicine.
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15
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Hinou H, Hyugaji K, Garcia-Martin F, Nishimura SI, Albericio F. H-bonding promotion of peptide solubility and cyclization by fluorinated alcohols. RSC Adv 2012. [DOI: 10.1039/c2ra01043g] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
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16
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Macmillan D, De Cecco M, Reynolds NL, Santos LFA, Barran PE, Dorin JR. Synthesis of cyclic peptides through an intramolecular amide bond rearrangement. Chembiochem 2011; 12:2133-6. [PMID: 21805553 DOI: 10.1002/cbic.201100364] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2011] [Indexed: 12/15/2022]
Affiliation(s)
- Derek Macmillan
- Department of Chemistry, University College London, 20 Gordon Street, London WC1H 0AJ, UK.
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Abstract
Antifreeze glycoproteins are an important class of biological antifreezes that have potential applications in many areas of medicine, agriculture and industry in which ice crystal growth is damaging. While the synthesis of antifreeze glycoproteins as pure glycoforms has recently been achieved by using ligation and polymerisation strategies, the routine production of large quantities of pure glycoforms remains challenging. A range of C-linked analogues that are readily produced by solid-phase synthesis have delivered novel compounds that are not biological antifreezes, but are potent, non-cytotoxic, ice-recrystallisation inhibitors. Structure-activity studies, the identification of cyclic antifreeze glycoproteins and conformational studies have provided further insight into the requirements for antifreeze activity. These results, coupled with significant advances in approaches to the routine synthesis of different glycoproteins and mimics, present opportunities for the design and synthesis of novel ice-growth-inhibiting and antifreeze compounds.
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Affiliation(s)
- James Garner
- School of Chemistry, The University of New South Wales, Sydney, NSW 2052, Australia
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18
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Peltier R, Brimble MA, Wojnar JM, Williams DE, Evans CW, DeVries AL. Synthesis and antifreeze activity of fish antifreeze glycoproteins and their analogues. Chem Sci 2010. [DOI: 10.1039/c0sc00194e] [Citation(s) in RCA: 55] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
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Elgersma RC, van Dijk M, Dechesne AC, van Nostrum CF, Hennink WE, Rijkers DTS, Liskamp RMJ. Microwave-assisted click polymerization for the synthesis of Aβ(16–22) cyclic oligomers and their self-assembly into polymorphous aggregates. Org Biomol Chem 2009; 7:4517-25. [DOI: 10.1039/b912851d] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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