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Terriac L, Helesbeux JJ, Maugars Y, Guicheux J, Tibbitt MW, Delplace V. Boronate Ester Hydrogels for Biomedical Applications: Challenges and Opportunities. CHEMISTRY OF MATERIALS : A PUBLICATION OF THE AMERICAN CHEMICAL SOCIETY 2024; 36:6674-6695. [PMID: 39070669 PMCID: PMC11270748 DOI: 10.1021/acs.chemmater.4c00507] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/23/2024] [Revised: 05/22/2024] [Accepted: 05/22/2024] [Indexed: 07/30/2024]
Abstract
Boronate ester (BE) hydrogels are increasingly used for biomedical applications. The dynamic nature of these molecular networks enables bond rearrangement, which is associated with viscoelasticity, injectability, printability, and self-healing, among other properties. BEs are also sensitive to pH, redox reactions, and the presence of sugars, which is useful for the design of stimuli-responsive materials. Together, BE hydrogels are interesting scaffolds for use in drug delivery, 3D cell culture, and biofabrication. However, designing stable BE hydrogels at physiological pH (≈7.4) remains a challenge, which is hindering their development and biomedical application. In this context, advanced chemical insights into BE chemistry are being used to design new molecular solutions for material fabrication. This review article summarizes the state of the art in BE hydrogel design for biomedical applications with a focus on the materials chemistry of this class of materials. First, we discuss updated knowledge in BE chemistry including details on the molecular mechanisms associated with BE formation and breakage. Then, we discuss BE hydrogel formation at physiological pH, with an overview of the main systems reported to date along with new perspectives. A last section covers several prominent biomedical applications of BE hydrogels, including drug delivery, 3D cell culture, and bioprinting, with critical insights on the design relevance, limitations and potential.
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Affiliation(s)
- Léa Terriac
- Nantes
Université, Oniris, CHU Nantes, INSERM, Regenerative Medicine and Skeleton,
RMeS, UMR 1229, F-44000 Nantes, France
| | | | - Yves Maugars
- Nantes
Université, Oniris, CHU Nantes, INSERM, Regenerative Medicine and Skeleton,
RMeS, UMR 1229, F-44000 Nantes, France
| | - Jérôme Guicheux
- Nantes
Université, Oniris, CHU Nantes, INSERM, Regenerative Medicine and Skeleton,
RMeS, UMR 1229, F-44000 Nantes, France
| | - Mark W. Tibbitt
- Macromolecular
Engineering Laboratory, Department of Mechanical and Process Engineering, ETH Zurich, 8092 Zurich, Switzerland
| | - Vianney Delplace
- Nantes
Université, Oniris, CHU Nantes, INSERM, Regenerative Medicine and Skeleton,
RMeS, UMR 1229, F-44000 Nantes, France
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2
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Seetasang S, Xu Y. Recent progress and perspectives in applications of 2-methacryloyloxyethyl phosphorylcholine polymers in biodevices at small scales. J Mater Chem B 2022; 10:2323-2337. [DOI: 10.1039/d1tb02675e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Bioinspired materials have attracted attention in a wide range of fields. Among these materials, a polymer family containing 2-methacryloyloxyethyl phosphorylcholine (MPC), which has a zwitterionic phosphorylcholine headgroup inspired by the...
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Rahimnejad M, Rabiee N, Ahmadi S, Jahangiri S, Sajadi SM, Akhavan O, Saeb MR, Kwon W, Kim M, Hahn SK. Emerging Phospholipid Nanobiomaterials for Biomedical Applications to Lab-on-a-Chip, Drug Delivery, and Cellular Engineering. ACS APPLIED BIO MATERIALS 2021; 4:8110-8128. [PMID: 35005915 DOI: 10.1021/acsabm.1c00932] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
The design of advanced nanobiomaterials to improve analytical accuracy and therapeutic efficacy has become an important prerequisite for the development of innovative nanomedicines. Recently, phospholipid nanobiomaterials including 2-methacryloyloxyethyl phosphorylcholine (MPC) have attracted great attention with remarkable characteristics such as resistance to nonspecific protein adsorption and cell adhesion for various biomedical applications. Despite many recent reports, there is a lack of comprehensive review on the phospholipid nanobiomaterials from synthesis to diagnostic and therapeutic applications. Here, we review the synthesis and characterization of phospholipid nanobiomaterials focusing on MPC polymers and highlight their attractive potentials for applications in micro/nanofabricated fluidic devices, biosensors, lab-on-a-chip, drug delivery systems (DDSs), COVID-19 potential usages for early diagnosis and even treatment, and artificial extracellular matrix scaffolds for cellular engineering.
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Affiliation(s)
- Maedeh Rahimnejad
- Biomedical Engineering Institute, School of Medicine, Université de Montréal, Montreal, Quebec H2X 0A9, Canada.,Department of Physics, Sharif University of Technology, P.O. Box 11155-9161, Tehran , Iran
| | - Navid Rabiee
- Department of Physics, Sharif University of Technology, P.O. Box 11155-9161, Tehran , Iran
| | - Sepideh Ahmadi
- Student Research Committee, Department of Medical Biotechnology, School of Advanced Technologies in Medicine, Shahid Beheshti University of Medical Sciences, Tehran 19857-17443, Iran.,Cellular and Molecular Biology Research Center, Shahid Beheshti University of Medical Sciences, Tehran 19857-17443, Iran
| | - Sepideh Jahangiri
- Department of Physics, Sharif University of Technology, P.O. Box 11155-9161, Tehran , Iran.,Department of Biomedical Sciences, Faculty of Medicine, Université de Montréal, Montreal, Quebec H2X 0A9, Canada
| | - S Mohammad Sajadi
- Department of Nutrition, Cihan University-Erbil, Erbil 44001, Kurdistan Region, Iraq.,Department of Phytochemistry, SRC, Soran University, Soran City 44008, Kurdistan Region, Iraq
| | - Omid Akhavan
- Department of Physics, Sharif University of Technology, P.O. Box 11155-9161, Tehran , Iran
| | - Mohammad Reza Saeb
- Department of Polymer Technology, Faculty of Chemistry, Gdańsk University of Technology, G. Narutowicza 11/12 80-233, Gdańsk 80-233, Poland
| | - Woosung Kwon
- Department of Chemical and Biological Engineering, Sookmyung Women's University, 100 Cheongpa-ro 47-gil, Yongsan-gu, Seoul 04310, Korea
| | - Mungu Kim
- Department of Materials Science and Engineering, Pohang University of Science and Technology (POSTECH), 77 Cheongam-ro, Nam-gu, Pohang, Gyeongbuk 37673, Korea
| | - Sei Kwang Hahn
- Department of Materials Science and Engineering, Pohang University of Science and Technology (POSTECH), 77 Cheongam-ro, Nam-gu, Pohang, Gyeongbuk 37673, Korea
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Piao Z, Park JK, Park SJ, Jeong B. Hypothermic Stem Cell Storage Using a Polypeptide Thermogel. Biomacromolecules 2021; 22:5390-5399. [PMID: 34855378 DOI: 10.1021/acs.biomac.1c01472] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
We report a polypeptide-based thermogel as a new tool for hypothermic storage of stem cells at ambient temperature (25 °C). Stem cells were suspended in the sol state (10 °C) of an aqueous poly(ethylene glycol)-poly(l-alanine) (PEG-PA) solution (4.0 wt %) in phosphate-buffered saline (PBS), which turned into a stem cell-incorporated gel by a heat-induced sol-to-gel transition. The cell harvesting procedure from the thermogels was simply performed through a gel-to-sol transition by diluting and cooling the system. More than 99% of stem cells died in PBS and Pluronic F127 thermogel (control thermogel) when the cells were stored at 25 °C for 7 days. The cell recovery rate from the PEG-PA thermogel (64%) was significantly greater than that from the commercially available HypoThermosol FRS preservation solution (HTS) (26%). Additionally, the surviving stem cells from the PEG-PA thermogel were healthier than those from HTS in terms of (1) expression of stemness biomarkers (NANOG, OCT4, and SOX2), (2) proliferation rate, and (3) differentiation potentials into osteogenic, chondrogenic, and adipogenic lineages. Membrane stabilization was suggested as a cell protection mechanism in the cytocompatible PEG-PA thermogel. The PEG-PA thermogel provides a convenient cytocompatible way for the storage and recovery of cells and thus is a promising tool for the transportation and short-term banking of cells.
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Affiliation(s)
- Zhengyu Piao
- Department of Chemistry and Nanoscience, Ewha Womans University, 52 Ewhayeodae-gil, Seodaemun-gu, Seoul 03760, Korea
| | - Jin Kyung Park
- Department of Chemistry and Nanoscience, Ewha Womans University, 52 Ewhayeodae-gil, Seodaemun-gu, Seoul 03760, Korea
| | - So-Jung Park
- Department of Chemistry and Nanoscience, Ewha Womans University, 52 Ewhayeodae-gil, Seodaemun-gu, Seoul 03760, Korea
| | - Byeongmoon Jeong
- Department of Chemistry and Nanoscience, Ewha Womans University, 52 Ewhayeodae-gil, Seodaemun-gu, Seoul 03760, Korea
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5
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Spontaneously and reversibly forming phospholipid polymer hydrogels as a matrix for cell engineering. Biomaterials 2020; 230:119628. [DOI: 10.1016/j.biomaterials.2019.119628] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2019] [Revised: 11/11/2019] [Accepted: 11/11/2019] [Indexed: 12/16/2022]
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6
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Emerging Concepts and Tools in Cell Mechanomemory. Ann Biomed Eng 2019; 48:2103-2112. [DOI: 10.1007/s10439-019-02412-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2019] [Accepted: 11/11/2019] [Indexed: 12/25/2022]
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7
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Chen DW, Yu HH, Luo LJ, Rajesh Kumar S, Chen CH, Lin TY, Lai JY, Jessie Lue S. Osteoblast Biocompatibility and Antibacterial Effects Using 2-Methacryloyloxyethyl Phosphocholine-Grafted Stainless-Steel Composite for Implant Applications. NANOMATERIALS (BASEL, SWITZERLAND) 2019; 9:E939. [PMID: 31261737 PMCID: PMC6669514 DOI: 10.3390/nano9070939] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/31/2019] [Revised: 06/23/2019] [Accepted: 06/26/2019] [Indexed: 11/17/2022]
Abstract
Poor osteogenesis and bacterial infections lead to an implant failure, so the enhanced osteogenic and antimicrobial activity of the implantable device is of great importance in orthopedic applications. In this study, 2-methacryloyloxyethyl phosphocholine (MPC) was grafted onto 316L stainless steel (SS) using a facile photo-induced radical graft polymerization method via a benzophenone (BP) photo initiator. Atomic force microscopy (AFM) was employed to determine the nanoscale morphological changes on the surface. The grafted BP-MPC layer was estimated to be tens of nanometers thick. The SS-BP-MPC composite was more hydrophilic and smoother than the untreated and BP-treated SS samples. Staphylococcus aureus (S. aureus) bacteria binding onto the SS-BP-MPC composite film surface was significantly reduced compared with the pristine SS and SS-BP samples. Mouse pre-osteoblast (MC3T3-E1) cells showed good adhesion on the MPC-modified samples and better proliferation and metabolic activity (73% higher) than the pristine SS sample. Biological studies revealed that grafting MPC onto the SS substrate enhanced the antibacterial efficiency and also retained osteoblast biocompatibility. This proposed procedure is promising for use with other implant materials.
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Affiliation(s)
- Dave W Chen
- Department of Orthopedic Surgery, Chang Gung Memorial Hospital, Keelung City 401, Taiwan
- College of Medicine, Chang Gung University, Guishan District, Taoyuan City 333, Taiwan
| | - Hsin-Hsin Yu
- Department of Chemical and Materials Engineering and Green Technology Research Center, Chang Gung University, Guishan District, Taoyuan City 333, Taiwan
| | - Li-Jyuan Luo
- Graduate institute of Biomedical Engineering, Chang Gung University, Guishan District, Taoyuan City 333, Taiwan
| | - Selvaraj Rajesh Kumar
- Department of Chemical and Materials Engineering and Green Technology Research Center, Chang Gung University, Guishan District, Taoyuan City 333, Taiwan
| | - Chien-Hao Chen
- Department of Orthopedic Surgery, Chang Gung Memorial Hospital, Keelung City 401, Taiwan
- College of Medicine, Chang Gung University, Guishan District, Taoyuan City 333, Taiwan
| | - Tung-Yi Lin
- Department of Orthopedic Surgery, Chang Gung Memorial Hospital, Keelung City 401, Taiwan
- College of Medicine, Chang Gung University, Guishan District, Taoyuan City 333, Taiwan
| | - Jui-Yang Lai
- Graduate institute of Biomedical Engineering, Chang Gung University, Guishan District, Taoyuan City 333, Taiwan.
| | - Shingjiang Jessie Lue
- Department of Chemical and Materials Engineering and Green Technology Research Center, Chang Gung University, Guishan District, Taoyuan City 333, Taiwan.
- Department of Radiation Oncology, Chang Gung Memorial Hospital, Guishan District, Taoyuan City 333, Taiwan.
- Department of Safety, Health and Environment Engineering, Ming Chi University of Technology, Taishan District, New Taipei City 243, Taiwan.
- R&D Center for Membrane Technology, Chung Yuan Christian University, Chung Li District, Taoyuan City 320, Taiwan.
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8
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Oda H, Ishihara K. Determination of association constants between water-soluble phospholipid polymer bearing phenylboronic acid group and polyol compounds for reversible formation of three-dimensional networks. REACT FUNCT POLYM 2019. [DOI: 10.1016/j.reactfunctpolym.2018.12.003] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
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9
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Chantasirichot S, Inoue Y, Ishihara K. Introduction of functional groups to reactive ABA block-copolymers composed of poly(2-methacryloyloxyethyl phosphorylcholine) and poly(glycidyl methacrylate) for spontaneous hydrogel formation. POLYMER 2017. [DOI: 10.1016/j.polymer.2017.07.010] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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10
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Affiliation(s)
- Gaojie Hu
- Polymer Science and Engineering
Department, University of Massachusetts Amherst, 120 Governors
Drive, Amherst, Massachusetts 01003, United States
| | - Todd Emrick
- Polymer Science and Engineering
Department, University of Massachusetts Amherst, 120 Governors
Drive, Amherst, Massachusetts 01003, United States
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11
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Ko DY, Patel M, Jung BK, Park JH, Jeong B. Phosphorylcholine-Based Zwitterionic Biocompatible Thermogel. Biomacromolecules 2015; 16:3853-62. [DOI: 10.1021/acs.biomac.5b01169] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Du Young Ko
- Department of Chemistry and
Nanoscience, Ewha Womans University, 52 Ewhayeodae-gil, Seodaemun-gu, Seoul, 120-750, Korea
| | - Madhumita Patel
- Department of Chemistry and
Nanoscience, Ewha Womans University, 52 Ewhayeodae-gil, Seodaemun-gu, Seoul, 120-750, Korea
| | - Bo Kyoeng Jung
- Department of Chemistry and
Nanoscience, Ewha Womans University, 52 Ewhayeodae-gil, Seodaemun-gu, Seoul, 120-750, Korea
| | - Jin Hye Park
- Department of Chemistry and
Nanoscience, Ewha Womans University, 52 Ewhayeodae-gil, Seodaemun-gu, Seoul, 120-750, Korea
| | - Byeongmoon Jeong
- Department of Chemistry and
Nanoscience, Ewha Womans University, 52 Ewhayeodae-gil, Seodaemun-gu, Seoul, 120-750, Korea
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12
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13
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Xu Y, Mawatari K, Konno T, Kitamori T, Ishihara K. Spontaneous Packaging and Hypothermic Storage of Mammalian Cells with a Cell-Membrane-Mimetic Polymer Hydrogel in a Microchip. ACS APPLIED MATERIALS & INTERFACES 2015; 7:23089-23097. [PMID: 26436637 DOI: 10.1021/acsami.5b06796] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
Currently, continuous culture/passage and cryopreservation are two major, well-established methods to provide cultivated mammalian cells for experiments in laboratories. Due to the lack of flexibility, however, both laboratory-oriented methods are unable to meet the need for rapidly growing cell-based applications, which require cell supply in a variety of occasions outside of laboratories. Herein, we report spontaneous packaging and hypothermic storage of mammalian cells under refrigerated (4 °C) and ambient conditions (25 °C) using a cell-membrane-mimetic methacryloyloxyethyl phosphorylcholine (MPC) polymer hydrogel incorporated within a glass microchip. Its capability for hypothermic storage of cells was comparatively evaluated over 16 days. The results reveal that the cytocompatible MPC polymer hydrogel, in combination with the microchip structure, enabled hypothermic storage of cells with quite high viability, high intracellular esterase activity, maintained cell membrane integrity, and small morphological change for more than 1 week at 4 °C and at least 4 days at 25 °C. Furthermore, the stored cells could be released from the hydrogel and exhibited the ability to adhere to a surface and achieve confluence under standard cell culture conditions. Both hypothermic storage conditions are ordinary flexible conditions which can be easily established in places outside of laboratories. Therefore, cell packaging and storage using the hydrogel incorporated within the microchip would be a promising miniature and portable solution for flexible supply and delivery of small amounts of cells from bench to bedside.
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Affiliation(s)
- Yan Xu
- Nanoscience and Nanotechnology Research Center, Research Organization for the 21st Century, Osaka Prefecture University , 1-2, Gakuen-cho, Naka-ku, Sakai, Osaka 599-8570, Japan
| | - Kazuma Mawatari
- Department of Applied Chemistry, School of Engineering, The University of Tokyo , 7-3-1, Hongo, Bunkyo, Tokyo, 113-8656, Japan
| | - Tomohiro Konno
- Department of Materials Engineering, School of Engineering, The University of Tokyo , 7-3-1, Hongo, Bunkyo, Tokyo, 113-8656, Japan
| | - Takehiko Kitamori
- Department of Applied Chemistry, School of Engineering, The University of Tokyo , 7-3-1, Hongo, Bunkyo, Tokyo, 113-8656, Japan
| | - Kazuhiko Ishihara
- Department of Materials Engineering, School of Engineering, The University of Tokyo , 7-3-1, Hongo, Bunkyo, Tokyo, 113-8656, Japan
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14
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15
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Choi J, Konno T, Ishihara K. Multilayered phospholipid polymer hydrogels for releasing cell growth factors. ACTA ACUST UNITED AC 2014. [DOI: 10.12989/bme.2014.1.1.001] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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16
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McRae Page S, Parelkar S, Gerasimenko A, Shin DY, Peyton SR, Emrick T. Promoting cell adhesion on slippery phosphorylcholine hydrogel surfaces. J Mater Chem B 2013; 2:620-624. [PMID: 32261278 DOI: 10.1039/c3tb21493a] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Abstract
The growing interest in regenerative medicine has created a need for superior polymer matrices that suit multiple physical, mechanical, and biological requirements. While the phospholipid bilayer of a cell membrane is considered optimal for interacting with biologics, polymeric materials composed of 2-methacryloyloxyethyl phosphorylcholine (MPC) offer a cell membrane-like synthetic alternative. In this work, thiol-containing phosphorylcholine polymers were synthesized by radical copolymerization of a lipoic acid-functionalized methacrylate with MPC. The canonical cell adhesion oligopeptide (GRGDS) was incorporated into the polymers by copolymerization of a GRGDS-containing methacrylamide prepared by solid phase peptide synthesis. The relative amounts of phosphorylcholine, lipoic acid and oligopeptide were controlled by the monomer feed ratios, and the polymers were characterized by NMR spectroscopy and aqueous gel permeation chromatography (GPC). These multifunctional polymers formed hydrogels rapidly (<10 minutes) by Michael addition when poly(ethylene glycol)diacrylate (PEGDA) was added at pH 9 - an initiator-free gelation performed in a completely aqueous environment. Two cell lines, live mouse skeletal muscle myoblasts (C2C12) and human ovarian cancer (SKOV3) cells, were observed to specifically attach, spread and proliferate only on hydrogels containing the GRGDS peptide sequence, with a notable dependence on peptide concentration. The remarkable hydrophilicity and biocompatibility attributed to polyMPC combined with the facile gelation conditions of these polymers affords a platform of new bio-cooperative materials suitable for cell studies.
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Affiliation(s)
- Samantha McRae Page
- Polymer Science & Engineering Department, University of Massachusetts Amherst, Amherst, MA 01003, USA.
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17
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Herrick WG, Nguyen TV, Sleiman M, McRae S, Emrick TS, Peyton SR. PEG-Phosphorylcholine Hydrogels As Tunable and Versatile Platforms for Mechanobiology. Biomacromolecules 2013; 14:2294-304. [DOI: 10.1021/bm400418g] [Citation(s) in RCA: 49] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Affiliation(s)
- William G. Herrick
- Department
of Chemical Engineering, ‡Institute for Cellular Engineering, §Department of Polymer Science and
Engineering, ∥Materials Research Science and Engineering Center, and ⊥Molecular and Cellular Biology
Graduate Program, University of Massachusetts, Amherst, Massachusetts 01003, United States
| | - Thuy V. Nguyen
- Department
of Chemical Engineering, ‡Institute for Cellular Engineering, §Department of Polymer Science and
Engineering, ∥Materials Research Science and Engineering Center, and ⊥Molecular and Cellular Biology
Graduate Program, University of Massachusetts, Amherst, Massachusetts 01003, United States
| | - Marianne Sleiman
- Department
of Chemical Engineering, ‡Institute for Cellular Engineering, §Department of Polymer Science and
Engineering, ∥Materials Research Science and Engineering Center, and ⊥Molecular and Cellular Biology
Graduate Program, University of Massachusetts, Amherst, Massachusetts 01003, United States
| | - Samantha McRae
- Department
of Chemical Engineering, ‡Institute for Cellular Engineering, §Department of Polymer Science and
Engineering, ∥Materials Research Science and Engineering Center, and ⊥Molecular and Cellular Biology
Graduate Program, University of Massachusetts, Amherst, Massachusetts 01003, United States
| | - Todd S. Emrick
- Department
of Chemical Engineering, ‡Institute for Cellular Engineering, §Department of Polymer Science and
Engineering, ∥Materials Research Science and Engineering Center, and ⊥Molecular and Cellular Biology
Graduate Program, University of Massachusetts, Amherst, Massachusetts 01003, United States
| | - Shelly R. Peyton
- Department
of Chemical Engineering, ‡Institute for Cellular Engineering, §Department of Polymer Science and
Engineering, ∥Materials Research Science and Engineering Center, and ⊥Molecular and Cellular Biology
Graduate Program, University of Massachusetts, Amherst, Massachusetts 01003, United States
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18
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Guan Y, Zhang Y. Boronic acid-containing hydrogels: synthesis and their applications. Chem Soc Rev 2013; 42:8106-21. [DOI: 10.1039/c3cs60152h] [Citation(s) in RCA: 313] [Impact Index Per Article: 28.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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19
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Aikawa T, Konno T, Takai M, Ishihara K. Spherical phospholipid polymer hydrogels for cell encapsulation prepared with a flow-focusing microfluidic channel device. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2012; 28:2145-50. [PMID: 22176809 DOI: 10.1021/la2037586] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/20/2023]
Abstract
To prepare spherical polymer hydrogels, we used a flow-focusing microfluidic channel device for mixing aqueous solutions of two water-soluble polymers. Continuous encapsulation of cells in the hydrogels was also examined. The polymers were bioinspired 2-methacryloyloxyethyl phosphorylcholine polymer bearing phenyl boronic acid groups (PMBV) and poly(vinyl alcohol) (PVA), which spontaneously form a hydrogel in aqueous medium via specific molecular complexation upon mixing, even when they were in cell culture medium. The microfluidic device was prepared with polydimethylsiloxan, and the surface of the channel was treated with fluoroalkyl compound to prevent sticking of the polymers on the surface. The microfluidic channel process could control the diameter of the spherical hydrogels in the range of 30-90 μm and generated highly monodispersed diameter spherical hydrogels. We found that the polymer distribution in the hydrogel was influenced by the PVA concentration and that the hydrogel could be dissociated by the addition of d-sorbitol to the suspension. The single cells could be encapsulated and remain viable in the hydrogels. The localized distribution of polymers in the hydrogel may provide an environment for modulating cell function. It is concluded that the spontaneous hydrogel formation between PMBV and PVA in the flow-focusing microfluidic channel device is applicable for continuous preparation of a spherical hydrogel-encapsulating living cell.
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Affiliation(s)
- Tatsuo Aikawa
- Department of Materials Engineering, School of Engineering, The University of Tokyo, 7-3-1 Hongo, Tokyo 113-8656, Japan
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20
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Oda H, Konno T, Ishihara K. Cytocompatible polymer hydrogels as microenvironment tunable three-dimensional cell culture matrices. ACTA ACUST UNITED AC 2012. [DOI: 10.14723/tmrsj.37.357] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Haruka Oda
- Department of Materials Engineering, The University of Tokyo
| | - Tomohiro Konno
- Department of Bioengineering, School of Engineering, The University of Tokyo
| | - Kazuhiko Ishihara
- Department of Materials Engineering, The University of Tokyo
- Department of Bioengineering, School of Engineering, The University of Tokyo
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21
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Microchip-based cellular biochemical systems for practical applications and fundamental research: from microfluidics to nanofluidics. Anal Bioanal Chem 2011; 402:99-107. [DOI: 10.1007/s00216-011-5296-5] [Citation(s) in RCA: 36] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2011] [Revised: 07/23/2011] [Accepted: 07/27/2011] [Indexed: 01/09/2023]
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22
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Biodegradable and thermoreversible PCLA-PEG-PCLA hydrogel as a barrier for prevention of post-operative adhesion. Biomaterials 2011; 32:4725-36. [PMID: 21482434 DOI: 10.1016/j.biomaterials.2011.03.046] [Citation(s) in RCA: 253] [Impact Index Per Article: 19.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2011] [Accepted: 03/20/2011] [Indexed: 11/21/2022]
Abstract
Biodegradable polymers can serve as barriers to prevent the post-operative intestinal adhesion. Herein, we synthesized a biodegradable triblock copolymer poly(ɛ-caprolactone-co-lactide)-b-poly(ethylene glycol)-b-poly(ɛ-caprolactone-co-lactide) (PCLA-PEG-PCLA). The concentrated polymeric aqueous solution was injectable, and a hydrogel could be rapidly formed due to percolation of a self-assembled micelle network at the body temperature without requirement of any chemical reactions. This physical hydrogel retained its integrity in vivo for a bit more than 6 weeks and was eventually degraded due to hydrolysis. The synthesized polymer exhibited little cytotoxicity and hemolysis; the acute inflammatory response after implanting the hydrogel was acceptable, and the degradation products were less acidic than those of other polyester-containing materials. A rabbit model of sidewall defect-bowel abrasion was employed, and a significant reduction of post-operative peritoneal adhesion has been found in the group of in situ formed PCLA-PEG-PCLA hydrogels.
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