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Alaoui Selsouli Y, Rho HS, Eischen-Loges M, Galván-Chacón VP, Stähli C, Viecelli Y, Döbelin N, Bohner M, Tahmasebi Birgani Z, Habibović P. Optimization of a tunable process for rapid production of calcium phosphate microparticles using a droplet-based microfluidic platform. Front Bioeng Biotechnol 2024; 12:1352184. [PMID: 38600949 PMCID: PMC11004461 DOI: 10.3389/fbioe.2024.1352184] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2023] [Accepted: 03/08/2024] [Indexed: 04/12/2024] Open
Abstract
Calcium phosphate (CaP) biomaterials are amongst the most widely used synthetic bone graft substitutes, owing to their chemical similarities to the mineral part of bone matrix and off-the-shelf availability. However, their ability to regenerate bone in critical-sized bone defects has remained inferior to the gold standard autologous bone. Hence, there is a need for methods that can be employed to efficiently produce CaPs with different properties, enabling the screening and consequent fine-tuning of the properties of CaPs towards effective bone regeneration. To this end, we propose the use of droplet microfluidics for rapid production of a variety of CaP microparticles. Particularly, this study aims to optimize the steps of a droplet microfluidic-based production process, including droplet generation, in-droplet CaP synthesis, purification and sintering, in order to obtain a library of CaP microparticles with fine-tuned properties. The results showed that size-controlled, monodisperse water-in-oil microdroplets containing calcium- and phosphate-rich solutions can be produced using a flow-focusing droplet-generator microfluidic chip. We optimized synthesis protocols based on in-droplet mineralization to obtain a range of CaP microparticles without and with inorganic additives. This was achieved by adjusting synthesis parameters, such as precursor concentration, pH value, and aging time, and applying heat treatment. In addition, our results indicated that the synthesis and fabrication parameters of CaPs in this method can alter the microstructure and the degradation behavior of CaPs. Overall, the results highlight the potential of the droplet microfluidic platform for engineering CaP microparticle biomaterials with fine-tuned properties.
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Affiliation(s)
- Y. Alaoui Selsouli
- Department of Instructive Biomaterials Engineering, MERLN Institute for Technology-Inspired Regenerative Medicine, Maastricht University, Maastricht, Netherlands
| | - H. S. Rho
- Department of Instructive Biomaterials Engineering, MERLN Institute for Technology-Inspired Regenerative Medicine, Maastricht University, Maastricht, Netherlands
| | - M. Eischen-Loges
- Department of Instructive Biomaterials Engineering, MERLN Institute for Technology-Inspired Regenerative Medicine, Maastricht University, Maastricht, Netherlands
| | - V. P. Galván-Chacón
- Department of Instructive Biomaterials Engineering, MERLN Institute for Technology-Inspired Regenerative Medicine, Maastricht University, Maastricht, Netherlands
| | - C. Stähli
- RMS Foundation, Bettlach, Switzerland
| | | | | | - M. Bohner
- RMS Foundation, Bettlach, Switzerland
| | - Z. Tahmasebi Birgani
- Department of Instructive Biomaterials Engineering, MERLN Institute for Technology-Inspired Regenerative Medicine, Maastricht University, Maastricht, Netherlands
| | - P. Habibović
- Department of Instructive Biomaterials Engineering, MERLN Institute for Technology-Inspired Regenerative Medicine, Maastricht University, Maastricht, Netherlands
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Galván-Chacón V, de Melo Pereira D, Vermeulen S, Yuan H, Li J, Habibović P. Decoupling the role of chemistry and microstructure in hMSCs response to an osteoinductive calcium phosphate ceramic. Bioact Mater 2023; 19:127-138. [PMID: 35475029 PMCID: PMC9014318 DOI: 10.1016/j.bioactmat.2022.03.030] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2021] [Revised: 03/17/2022] [Accepted: 03/18/2022] [Indexed: 11/30/2022] Open
Affiliation(s)
- V.P. Galván-Chacón
- MERLN Institute for Technology Inspired Regenerative Medicine, Maastricht University, the Netherlands
| | - D. de Melo Pereira
- MERLN Institute for Technology Inspired Regenerative Medicine, Maastricht University, the Netherlands
| | - S. Vermeulen
- MERLN Institute for Technology Inspired Regenerative Medicine, Maastricht University, the Netherlands
| | - H. Yuan
- Kuros Biosciences BV, 3723 MB, Bilthoven, the Netherlands
| | - J. Li
- MERLN Institute for Technology Inspired Regenerative Medicine, Maastricht University, the Netherlands
| | - P. Habibović
- MERLN Institute for Technology Inspired Regenerative Medicine, Maastricht University, the Netherlands
- Corresponding author. Maastricht University, MERLN Institute, Universiteitsingel 40, 6229ER, Maastricht, the Netherlands.
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Baptista D, Teixeira LM, Birgani ZT, van Riet S, Pasman T, Poot A, Stamatialis D, Rottier RJ, Hiemstra PS, Habibović P, van Blitterswijk C, Giselbrecht S, Truckenmüller R. 3D alveolar in vitro model based on epithelialized biomimetically curved culture membranes. Biomaterials 2020; 266:120436. [PMID: 33120199 DOI: 10.1016/j.biomaterials.2020.120436] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2020] [Revised: 08/30/2020] [Accepted: 10/06/2020] [Indexed: 01/25/2023]
Abstract
There is increasing evidence that surface curvature at a near-cell-scale influences cell behaviour. Epithelial or endothelial cells lining small acinar or tubular body lumens, as those of the alveoli or blood vessels, experience such highly curved surfaces. In contrast, the most commonly used culture substrates for in vitro modelling of these human tissue barriers, ion track-etched membranes, offer only flat surfaces. Here, we propose a more realistic culture environment for alveolar cells based on biomimetically curved track-etched membranes, preserving the mainly spherical geometry of the cells' native microenvironment. The curved membranes were created by a combination of three-dimensional (3D) micro film (thermo)forming and ion track technology. We could successfully demonstrate the formation, the growth and a first characterization of confluent layers of lung epithelial cell lines and primary alveolar epithelial cells on membranes shaped into an array of hemispherical microwells. Besides their application in submerged culture, we could also demonstrate the compatibility of the bioinspired membranes for air-exposed culture. We observed a distinct cellular response to membrane curvature. Cells (or cell layers) on the curved membranes reveal significant differences compared to cells on flat membranes concerning membrane epithelialization, areal cell density of the formed epithelial layers, their cross-sectional morphology, and proliferation and apoptosis rates, and the same tight barrier function as on the flat membranes. The presented 3D membrane technology might pave the way for more predictive barrier in vitro models in future.
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Affiliation(s)
- D Baptista
- MERLN Institute for Technology-Inspired Regenerative Medicine, Maastricht University, Universiteitssingel 40, 6229 ER, Maastricht, the Netherlands
| | - L Moreira Teixeira
- MERLN Institute for Technology-Inspired Regenerative Medicine, Maastricht University, Universiteitssingel 40, 6229 ER, Maastricht, the Netherlands; Department of Developmental BioEngineering, Technical Medical Centre, University of Twente, Drienerlolaan 5, 7522 NB, Enschede, the Netherlands
| | - Z Tahmasebi Birgani
- MERLN Institute for Technology-Inspired Regenerative Medicine, Maastricht University, Universiteitssingel 40, 6229 ER, Maastricht, the Netherlands
| | - S van Riet
- Department of Pulmonology, Leiden University Medical Center, Albinusdreef 2, 2333 ZA, Leiden, the Netherlands
| | - T Pasman
- Department of Biomaterials Science and Technology, Technical Medical Centre, University of Twente, Drienerlolaan 5, 7522 NB, Enschede, the Netherlands
| | - A Poot
- Department of Biomaterials Science and Technology, Technical Medical Centre, University of Twente, Drienerlolaan 5, 7522 NB, Enschede, the Netherlands
| | - D Stamatialis
- Department of Biomaterials Science and Technology, Technical Medical Centre, University of Twente, Drienerlolaan 5, 7522 NB, Enschede, the Netherlands
| | - R J Rottier
- Department of Pediatric Surgery/Cell Biology, Erasmus (University) Medical Center - Sophia Children's Hospital, Doctor Molewaterplein 40, 3015 GD, Rotterdam, the Netherlands
| | - P S Hiemstra
- Department of Pulmonology, Leiden University Medical Center, Albinusdreef 2, 2333 ZA, Leiden, the Netherlands
| | - P Habibović
- MERLN Institute for Technology-Inspired Regenerative Medicine, Maastricht University, Universiteitssingel 40, 6229 ER, Maastricht, the Netherlands
| | - C van Blitterswijk
- MERLN Institute for Technology-Inspired Regenerative Medicine, Maastricht University, Universiteitssingel 40, 6229 ER, Maastricht, the Netherlands
| | - S Giselbrecht
- MERLN Institute for Technology-Inspired Regenerative Medicine, Maastricht University, Universiteitssingel 40, 6229 ER, Maastricht, the Netherlands
| | - R Truckenmüller
- MERLN Institute for Technology-Inspired Regenerative Medicine, Maastricht University, Universiteitssingel 40, 6229 ER, Maastricht, the Netherlands.
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