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Honaker LW, Gao T, de Graaf KR, Bogaardt TV, Vink P, Stürzer T, Kociok‐Köhn G, Zuilhof H, Miloserdov FM, Deshpande S. 2D and 3D Self-Assembly of Fluorine-Free Pillar-[5]-Arenes and Perfluorinated Diacids at All-Aqueous Interfaces. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2024; 11:e2401807. [PMID: 38790132 PMCID: PMC11304270 DOI: 10.1002/advs.202401807] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/27/2024] [Indexed: 05/26/2024]
Abstract
The interaction of perfluorinated molecules, also known as "forever chemicals" due to their pervasiveness, with their environment remains an important yet poorly understood topic. In this work, the self-assembly of perfluorinated molecules with multivalent hosts, pillar-[5]-arenes, is investigated. It is found that perfluoroalkyl diacids and pillar-[5]-arenes rapidly and strongly complex with each other at aqueous interfaces, forming solid interfacially templated films. Their complexation is shown to be driven primarily by fluorophilic aggregation and assisted by electrostatic interactions, as supported by the crystal structure of the complexes, and leads to the formation of quasi-2D phase-separated films. This self-assembly process can be further manipulated using aqueous two-phase system microdroplets, enabling the controlled formation of 3D micro-scaffolds.
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Affiliation(s)
- Lawrence W. Honaker
- Laboratory of Physical Chemistry and Soft MatterWageningen University & ResearchWageningen6708 WEThe Netherlands
| | - Tu‐Nan Gao
- Laboratory of Organic ChemistryWageningen University & ResearchWageningen6708 WEThe Netherlands
- Biobased Chemistry and TechnologyWageningen University & ResearchWageningen6708 WGThe Netherlands
| | - Kelsey R. de Graaf
- Laboratory of Physical Chemistry and Soft MatterWageningen University & ResearchWageningen6708 WEThe Netherlands
- Laboratory of Organic ChemistryWageningen University & ResearchWageningen6708 WEThe Netherlands
| | - Tessa V.M. Bogaardt
- Laboratory of Physical Chemistry and Soft MatterWageningen University & ResearchWageningen6708 WEThe Netherlands
| | - Pim Vink
- Laboratory of Physical Chemistry and Soft MatterWageningen University & ResearchWageningen6708 WEThe Netherlands
| | | | | | - Han Zuilhof
- Laboratory of Organic ChemistryWageningen University & ResearchWageningen6708 WEThe Netherlands
- School of Pharmaceutical Science and TechnologyTianjin UniversityTianjin300072P. R. China
- China–Australia Institute for Advanced Materials and ManufacturingJiaxing UniversityJiaxing314001P. R. China
| | - Fedor M. Miloserdov
- Laboratory of Organic ChemistryWageningen University & ResearchWageningen6708 WEThe Netherlands
| | - Siddharth Deshpande
- Laboratory of Physical Chemistry and Soft MatterWageningen University & ResearchWageningen6708 WEThe Netherlands
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Li Z, Wang H, Gao Y, Chen J, Gu G, Liu J, Chen Y, Guo X, Wang Y. Microfluidic-Assisted Self-Assembly of Molecular Hydrogelator at Water-Water Interfaces for Continuous Fabrication of Supramolecular Microcapsules. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024:e2403085. [PMID: 39051965 DOI: 10.1002/smll.202403085] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/17/2024] [Revised: 06/25/2024] [Indexed: 07/27/2024]
Abstract
Control over the self-assembly of small molecules at specific areas is of great interest for many high-tech applications, yet remains a formidable challenge. Here, how the self-assembly of hydrazone-based molecular hydrogelators can be specifically triggered at water-water interfaces for the continuous fabrication of supramolecular microcapsules by virtue of the microfluidic technique is demonstrated. The non-assembling hydrazide- and aldehyde-based hydrogelator precursors are distributed in two immiscible aqueous polymer solutions, respectively, through spontaneous phase separation. In the presence of catalysts, hydrazone-based hydrogelators rapidly form and self-assemble into hydrogel networks at the generated water-water interfaces. Relying on the microfluidic technique, microcapsules bearing a shell of supramolecular hydrogel are continuously produced. The obtained microcapsules can effectively load enzymes, enabling localized enzymatic growth of supramolecular fibrous supramolecular structures, reminiscent of the self-assembly of biological filaments within living cells. This work may contribute to the development of biomimetic supramolecular carriers for applications in biomedicine and fundamental research, for instance, the construction of protocells.
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Affiliation(s)
- Zhongqi Li
- State Key Laboratory of Chemical Engineering, East China University of Science and Technology, Shanghai, 200237, P. R. China
| | - Hucheng Wang
- State Key Laboratory of Chemical Engineering, East China University of Science and Technology, Shanghai, 200237, P. R. China
| | - Yuliang Gao
- State Key Laboratory of Chemical Engineering, East China University of Science and Technology, Shanghai, 200237, P. R. China
| | - Jingjing Chen
- State Key Laboratory of Chemical Engineering, East China University of Science and Technology, Shanghai, 200237, P. R. China
| | - Guanyao Gu
- State Key Laboratory of Chemical Engineering, East China University of Science and Technology, Shanghai, 200237, P. R. China
| | - Jing Liu
- State Key Laboratory of Chemical Engineering, East China University of Science and Technology, Shanghai, 200237, P. R. China
| | - Yuqian Chen
- State Key Laboratory of Chemical Engineering, East China University of Science and Technology, Shanghai, 200237, P. R. China
| | - Xuhong Guo
- State Key Laboratory of Chemical Engineering, East China University of Science and Technology, Shanghai, 200237, P. R. China
| | - Yiming Wang
- State Key Laboratory of Chemical Engineering, East China University of Science and Technology, Shanghai, 200237, P. R. China
- Shanghai Key Laboratory for Intelligent Sensing and Detection Technology, East China University of Science and Technology, Shanghai, 200237, P. R. China
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3
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Gonçalves RC, Oliveira MB, Mano JF. Exploring the potential of all-aqueous immiscible systems for preparing complex biomaterials and cellular constructs. MATERIALS HORIZONS 2024. [PMID: 39010747 DOI: 10.1039/d4mh00431k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/17/2024]
Abstract
All-aqueous immiscible systems derived from liquid-liquid phase separation of incompatible hydrophilic agents such as polymers and salts have found increasing interest in the biomedical and tissue engineering fields in the last few years. The unique characteristics of aqueous interfaces, namely their low interfacial tension and elevated permeability, as well as the non-toxic environment and high water content of the immiscible phases, confer to these systems optimal qualities for the development of biomaterials such as hydrogels and soft membranes, as well as for the preparation of in vitro tissues derived from cellular assembly. Here, we overview the main properties of these systems and present a critical review of recent strategies that have been used for the development of biomaterials with increased levels of complexity using all-aqueous immiscible phases and interfaces, and their potential as cell-confining environments for micropatterning approaches and the bioengineering of cell-rich structures. Importantly, due to the relatively recent emergence of these areas, several key design considerations are presented, in order to guide researchers in the field. Finally, the main present challenges, future directions, and adaptability to develop advanced materials with increased biomimicry and new potential applications are briefly evaluated.
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Affiliation(s)
- Raquel C Gonçalves
- Department of Chemistry, CICECO - Aveiro Institute of Materials, University of Aveiro, Campus Universitário de Santiago, 3810-193 Aveiro, Portugal.
| | - Mariana B Oliveira
- Department of Chemistry, CICECO - Aveiro Institute of Materials, University of Aveiro, Campus Universitário de Santiago, 3810-193 Aveiro, Portugal.
| | - João F Mano
- Department of Chemistry, CICECO - Aveiro Institute of Materials, University of Aveiro, Campus Universitário de Santiago, 3810-193 Aveiro, Portugal.
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4
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Biohybrid materials: Structure design and biomedical applications. Mater Today Bio 2022; 16:100352. [PMID: 35856044 PMCID: PMC9287810 DOI: 10.1016/j.mtbio.2022.100352] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2022] [Revised: 07/01/2022] [Accepted: 07/02/2022] [Indexed: 11/21/2022]
Abstract
Biohybrid materials are proceeded by integrating living cells and non-living materials to endow materials with biomimetic properties and functionalities by supporting cell proliferation and even enhancing cell functions. Due to the outstanding biocompatibility and programmability, biohybrid materials provide some promising strategies to overcome current problems in the biomedical field. Here, we review the concept and unique features of biohybrid materials by comparing them with conventional materials. We emphasize the structure design of biohybrid materials and discuss the structure-function relationships. We also enumerate the application aspects of biohybrid materials in biomedical frontiers. We believe this review will bring various opportunities to promote the communication between cell biology, material sciences, and medical engineering.
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Ding SL, Liu X, Zhao XY, Wang KT, Xiong W, Gao ZL, Sun CY, Jia MX, Li C, Gu Q, Zhang MZ. Microcarriers in application for cartilage tissue engineering: Recent progress and challenges. Bioact Mater 2022; 17:81-108. [PMID: 35386447 PMCID: PMC8958326 DOI: 10.1016/j.bioactmat.2022.01.033] [Citation(s) in RCA: 25] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2021] [Revised: 01/18/2022] [Accepted: 01/19/2022] [Indexed: 12/11/2022] Open
Abstract
Successful regeneration of cartilage tissue at a clinical scale has been a tremendous challenge in the past decades. Microcarriers (MCs), usually used for cell and drug delivery, have been studied broadly across a wide range of medical fields, especially the cartilage tissue engineering (TE). Notably, microcarrier systems provide an attractive method for regulating cell phenotype and microtissue maturations, they also serve as powerful injectable carriers and are combined with new technologies for cartilage regeneration. In this review, we introduced the typical methods to fabricate various types of microcarriers and discussed the appropriate materials for microcarriers. Furthermore, we highlighted recent progress of applications and general design principle for microcarriers. Finally, we summarized the current challenges and promising prospects of microcarrier-based systems for medical applications. Overall, this review provides comprehensive and systematic guidelines for the rational design and applications of microcarriers in cartilage TE. This review summarized fabrication techniques and cartilage repaired application of microcarriers. The appropriate materials and design principle for microcarriers in cartilage tissue engineering are discussed. Promising future perspectives and challenges in microcarriers fields are outlined.
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Aqueous two-phase emulsions toward biologically relevant applications. TRENDS IN CHEMISTRY 2022. [DOI: 10.1016/j.trechm.2022.10.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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Daradmare S, Lee CS. Recent progress in the synthesis of all-aqueous two-phase droplets using microfluidic approaches. Colloids Surf B Biointerfaces 2022; 219:112795. [PMID: 36049253 DOI: 10.1016/j.colsurfb.2022.112795] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2022] [Revised: 08/10/2022] [Accepted: 08/21/2022] [Indexed: 12/21/2022]
Abstract
An aqueous two-phase system (ATPS) is a system with liquid-liquid phase separation and shows great potential for the extraction, separation, purification, and enrichment of proteins, membranes, viruses, enzymes, nucleic acids, and other biomolecules because of its simplicity, biocompatibility, and wide applicability [1-4]. The clear aqueous-aqueous interface of ATPSs is highly advantageous for their implementation, therefore making ATPSs a green alternative approach to replace conventional emulsion systems, such as water-in-oil droplets. All aqueous emulsions (water-in-water, w-in-w) hold great promise in the biomedical field as glucose sensors [5] and promising carriers for the encapsulation and release of various biomolecules and nonbiomolecules [6-10]. However, the ultralow interfacial tension between the two phases is a hurdle in generating w-in-w emulsion droplets. In the past, bulk emulsification and electrospray techniques were employed for the generation of w-in-w emulsion droplets and the fabrication of microparticles and microcapsules in the later stage. Bulk emulsification is a simple and low-cost technique; however, it generates polydisperse w-in-w emulsion droplets. Another technique, electrospray, involves easy experimental setups that can generate monodisperse but nonspherical w-in-w emulsion droplets. In comparison, microfluidic platforms provide monodisperse w-in-w emulsion droplets with spherical shapes, deal with the small volumes of solutions and short reaction times and achieve portability and versatility in their design through rapid prototyping. Owing to several advantages, microfluidic approaches have recently been introduced. To date, several different strategies have been explored to generate w-in-w emulsions and multiple w-in-w emulsions and to fabricate microparticles and microcapsules using conventional microfluidic devices. Although a few review articles on ATPSs emulsions have been published in the past, to date, few reviews have exclusively focused on the evolution of microfluidic-based ATPS droplets. The present review begins with a brief discussion of the history of ATPSs and their fundamentals, which is followed by an account chronicling the integration of microfluidic devices with ATPSs to generate w-in-w emulsion droplets. Furthermore, the stabilization strategies of w-in-w emulsion droplets and microfluidic fabrication of microparticles and microcapsules for modern applications, such as biomolecule encapsulation and spheroid construction, are discussed in detail in this review. We believe that the present review will provide useful information to not only new entrants in the microfluidic community wanting to appreciate the findings of the field but also existing researchers wanting to keep themselves updated on progress in the field.
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Affiliation(s)
- Sneha Daradmare
- Department of Chemical Engineering and Applied Chemistry, Chungnam National University, 99 Daehak-ro, Yuseong-gu, Daejeon 34134, Republic of Korea
| | - Chang-Soo Lee
- Department of Chemical Engineering and Applied Chemistry, Chungnam National University, 99 Daehak-ro, Yuseong-gu, Daejeon 34134, Republic of Korea.
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8
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Nadine S, Fernandes I, Patrício SG, Correia CR, Mano JF. Liquefied Microcapsules Compartmentalizing Macrophages and Umbilical Cord-Derived Cells for Bone Tissue Engineering. Adv Healthc Mater 2022; 11:e2200651. [PMID: 35904030 DOI: 10.1002/adhm.202200651] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2022] [Revised: 07/22/2022] [Indexed: 01/28/2023]
Abstract
Extraordinary capabilities underlie the potential use of immune cells, particularly macrophages, in bone tissue engineering. Indeed, the depletion of macrophages during bone repair often culminates in disease scenarios. Inspired by the native dynamics between immune and skeletal systems, this work proposes a straightforward in vitro method to bioengineer biomimetic bone niches using biological waste. For that, liquefied and semipermeable reservoirs generated by electrohydrodynamic atomization and layer-by-layer techniques are developed to coculture umbilical cord-derived human cells, namely monocyte-derived macrophages, mesenchymal-derived stromal cells (MSCs), and human umbilical vein endothelial cells (HUVECs). Poly(ε-caprolactone) microparticles are also added to the liquefied core to act as cell carriers. The fabricated microcapsules grant the successful development of viable microtissues, ensuring the high diffusion of bioactive factors. Interestingly, macrophages within the bioengineered microcapsules increase the release of osteocalcin, osteoprotegerin, and vascular endothelial growth factor. The cytokines profile variation indicates macrophages' polarization into a prohealing phenotype. Altogether, the incorporation of macrophages within the fabricated microcapsules allows to recreate an appropriate bone microenvironment for developing new bone mineralized microtissues. The proposed bioencapsulation protocol is a powerful self-regulated system, which might find great applicability in bone tissue engineering based on bottom-up approaches or disease modeling.
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Affiliation(s)
- Sara Nadine
- CICECO - Aveiro Institute of Materials, Department of Chemistry, University of Aveiro, Campus Universitário de Santiago, Aveiro, 3810-193, Portugal
| | - Inês Fernandes
- CICECO - Aveiro Institute of Materials, Department of Chemistry, University of Aveiro, Campus Universitário de Santiago, Aveiro, 3810-193, Portugal
| | - Sónia G Patrício
- CICECO - Aveiro Institute of Materials, Department of Chemistry, University of Aveiro, Campus Universitário de Santiago, Aveiro, 3810-193, Portugal
| | - Clara R Correia
- CICECO - Aveiro Institute of Materials, Department of Chemistry, University of Aveiro, Campus Universitário de Santiago, Aveiro, 3810-193, Portugal
| | - João F Mano
- CICECO - Aveiro Institute of Materials, Department of Chemistry, University of Aveiro, Campus Universitário de Santiago, Aveiro, 3810-193, Portugal
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9
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Gonçalves RC, Vilabril S, Neves CMSS, Freire MG, Coutinho JAP, Oliveira MB, Mano JF. All-Aqueous Freeform Fabrication of Perfusable Self-Standing Soft Compartments. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2022; 34:e2200352. [PMID: 35695028 DOI: 10.1002/adma.202200352] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/12/2022] [Revised: 06/02/2022] [Indexed: 06/15/2023]
Abstract
Compartmentalized structures obtained in all-aqueous settings have shown promising properties as cell encapsulation devices, as well as reactors for trans-membrane chemical reactions. While most approaches focus on the preparation of spherical devices, advances on the production of complex architectures have been enabled by the interfacial stability conferred by emulsion systems, namely mild aqueous two-phase systems (ATPS), or non-equilibrated analogues. However, the application of non-spherical structures has mostly been reported while keeping the fabricated materials at a stable interface, limiting the free-standing character, mobility and transposition of the obtained structures to different setups. Here, the fabrication of self-standing, malleable and perfusable tubular systems through all-aqueous interfacial assembly is shown, culminating in the preparation of independent objects with stability and homogeneity after disruption of the polymer-based aqueous separating system. Those hollow structures can be fabricated with a variety of widths, and rapidly printed as long structures at flow rates of 15 mm s-1 . The materials are used as compartments for cell culture, showcasing high cytocompatibility, and can be tailored to promote cell adhesion. Such structures may find application in fields that benefit from freeform tubular structures, including the biomedical field with, for example, cell encapsulation, and benchtop preparation of microfluidic devices.
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Affiliation(s)
- Raquel C Gonçalves
- Department of Chemistry, CICECO - Aveiro Institute of Materials, University of Aveiro, Aveiro, 3810-193, Portugal
| | - Sara Vilabril
- Department of Chemistry, CICECO - Aveiro Institute of Materials, University of Aveiro, Aveiro, 3810-193, Portugal
| | - Catarina M S S Neves
- Department of Chemistry, CICECO - Aveiro Institute of Materials, University of Aveiro, Aveiro, 3810-193, Portugal
| | - Mara G Freire
- Department of Chemistry, CICECO - Aveiro Institute of Materials, University of Aveiro, Aveiro, 3810-193, Portugal
| | - João A P Coutinho
- Department of Chemistry, CICECO - Aveiro Institute of Materials, University of Aveiro, Aveiro, 3810-193, Portugal
| | - Mariana B Oliveira
- Department of Chemistry, CICECO - Aveiro Institute of Materials, University of Aveiro, Aveiro, 3810-193, Portugal
| | - João F Mano
- Department of Chemistry, CICECO - Aveiro Institute of Materials, University of Aveiro, Aveiro, 3810-193, Portugal
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10
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Oliveira CS, Nadine S, Gomes MC, Correia CR, Mano JF. Bioengineering the human bone marrow microenvironment in liquefied compartments: A promising approach for the recapitulation of osteovascular niches. Acta Biomater 2022; 149:167-178. [PMID: 35811072 DOI: 10.1016/j.actbio.2022.07.001] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2022] [Revised: 06/11/2022] [Accepted: 07/01/2022] [Indexed: 11/24/2022]
Abstract
Recreating the biological complexity of living bone marrow (BM) in a single in vitro strategy has faced many challenges. Most bioengineered strategies propose the co-culture of BM cellular components entrapped in different matrices limiting their migration and self-organization capacity or in open scaffolds enabling their escaping. We propose a methodology for fabricating a "human bone marrow-in-a-liquefied-capsule" to overcome these challenges, embracing the most important BM components in a single platform. Since free dispersion of the cells within the BM is an essential feature to maintain their in vivo properties, this platform provides a liquefied environment for the encapsulated cells to move freely and self-organize. Inside liquefied capsules, an engineered endosteal niche (eEN) is co-cultured with human umbilical cord cells, including endothelial cells and hematopoietic stem and progenitor cells (HSPCs). Two different human-like BM niches were recreated under static and dynamic systems. Although the culture of the engineered BM capsules (eBMC) in these different environments did not change the structural and compositional features of the BM niches, the biophysical stimulation potentiated the cellular intercommunication and the biomolecules secretion, demonstrating an enhanced in vitro bio performance. Moreover, while the eBMC without HSPCs provided the secretion of hematopoietic supportive factors, the presence of these cells recapitulated more closely the biological complexity of the native BM niches. This functional eBMC approach is an innovative platform capable of investigating several components and interactions of BM niches and how they regulate BM homeostasis and hematopoiesis. STATEMENT OF SIGNIFICANCE: The recapitulation of the multifaceted bone marrow (BM) microenvironment under in vitro conditions has gained intensive recognition to understand the intrinsic complexity of the native BM. While conventional strategies do not recapitulate the BM osteovascular niches nor give the cellular components a free movement, we report for the first time the development of human bone marrow-in-a-liquefied-capsule to overcome such limitations. Our engineered BM capsules (eBMC) partially mimic the complex structure, composition, and spatial organization of the native osteovascular niches present in the BM. This strategy offers a platform with physiological relevance to exploit the niches' components/networks and how they regulate the hematopoiesis and the initiation/progression of various BM-related pathologies.
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Affiliation(s)
- Cláudia S Oliveira
- Department of Chemistry, CICECO-Aveiro Institute of Materials, University of Aveiro, Campus Universitário de Santiago, 3810-193 Aveiro, Portugal.
| | - Sara Nadine
- Department of Chemistry, CICECO-Aveiro Institute of Materials, University of Aveiro, Campus Universitário de Santiago, 3810-193 Aveiro, Portugal
| | - Maria C Gomes
- Department of Chemistry, CICECO-Aveiro Institute of Materials, University of Aveiro, Campus Universitário de Santiago, 3810-193 Aveiro, Portugal
| | - Clara R Correia
- Department of Chemistry, CICECO-Aveiro Institute of Materials, University of Aveiro, Campus Universitário de Santiago, 3810-193 Aveiro, Portugal
| | - João F Mano
- Department of Chemistry, CICECO-Aveiro Institute of Materials, University of Aveiro, Campus Universitário de Santiago, 3810-193 Aveiro, Portugal.
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Ladeira B, Custodio C, Mano J. Core-Shell Microcapsules: Biofabrication and Potential Applications in Tissue Engineering and Regenerative Medicine. Biomater Sci 2022; 10:2122-2153. [DOI: 10.1039/d1bm01974k] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The construction of biomaterial scaffolds that accurately recreate the architecture of living tissues in vitro is a major challenge in the field of tissue engineering and regenerative medicine. Core-shell microcapsules...
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12
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Gomes MC, Costa DCS, Oliveira CS, Mano JF. Design of Protein-Based Liquefied Cell-Laden Capsules with Bioinspired Adhesion for Tissue Engineering. Adv Healthc Mater 2021; 10:e2100782. [PMID: 34216107 DOI: 10.1002/adhm.202100782] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2021] [Revised: 06/12/2021] [Indexed: 12/23/2022]
Abstract
Platforms with liquid cores are extensively explored as cell delivery vehicles for cell-based therapies and tissue engineering. However, the recurrence of synthetic materials can impair its translation into the clinic. Inspired by the adhesive proteins secreted by mussels, liquefied capsule is developed using gelatin modified with hydroxypyridinones (Gel-HOPO), a catechol analogue with oxidant-resistant properties. The protein-based liquefied macrocapsule permitted the compartmentalization of living cells by an approachable and non-time-consuming methodology resorting to i) superhydrophobic surfaces as a processing platform of hydrogel beads, ii) gelation of gelatin at temperatures < 25 °C, iii) iron coordination of the hydroxypyridinone (HOPO) moieties at physiological pH, and iv) core liquefaction at 37 °C. With the design of a proteolytically degradable shell, the possibility of encapsulating human adipose-derived mesenchymal stem cells (hASC) with and without the presence of polycaprolactone microparticles (μPCL) is evaluated. Showing prevalence toward adhesion to the inner shell wall, hASC formed a monolayer evidencing the biocompatibility and adequate mechanical properties of these platforms for proliferation, diminishing the need for μPCL as a supporting substrate. This new protein-based liquefied platform can provide biofactories devices of both fundamental and practical importance for tissue engineering and regenerative medicine or in other biotechnology fields.
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Affiliation(s)
- Maria C. Gomes
- Department of Chemistry CICECO‐Aveiro Institute of Materials University of Aveiro Campus Universitário de Santiago Aveiro 3810‐193 Portugal
| | - Dora C. S. Costa
- Department of Chemistry CICECO‐Aveiro Institute of Materials University of Aveiro Campus Universitário de Santiago Aveiro 3810‐193 Portugal
| | - Cláudia S. Oliveira
- Department of Chemistry CICECO‐Aveiro Institute of Materials University of Aveiro Campus Universitário de Santiago Aveiro 3810‐193 Portugal
| | - João F. Mano
- Department of Chemistry CICECO‐Aveiro Institute of Materials University of Aveiro Campus Universitário de Santiago Aveiro 3810‐193 Portugal
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