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Rajeev A, Kansara K, Bhatia D. Navigating the challenges and exploring the perspectives associated with emerging novel biomaterials. Biomater Sci 2024. [PMID: 38832912 DOI: 10.1039/d4bm00376d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/06/2024]
Abstract
The field of biomaterials is a continuously evolving interdisciplinary field encompassing biological sciences, materials sciences, chemical sciences, and physical sciences with a multitude of applications realized every year. However, different biomaterials developed for different applications have unique challenges in the form of biological barriers, and addressing these challenges simultaneously is also a challenge. Nevertheless, immense progress has been made through the development of novel materials with minimal adverse effects such as DNA nanostructures, specific synthesis strategies based on supramolecular chemistry, and modulating the shortcomings of existing biomaterials through effective functionalization techniques. This review discusses all these aspects of biomaterials, including the challenges at each level of their development and application, proposed countermeasures for these challenges, and some future directions that may have potential benefits.
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Affiliation(s)
- Ashwin Rajeev
- Department of Biosciences and Bioengineering, Indian Institute of Technology Gandhinagar, Palaj, Gandhinagar, Gujarat - 382355, India.
| | - Krupa Kansara
- Department of Biosciences and Bioengineering, Indian Institute of Technology Gandhinagar, Palaj, Gandhinagar, Gujarat - 382355, India.
| | - Dhiraj Bhatia
- Department of Biosciences and Bioengineering, Indian Institute of Technology Gandhinagar, Palaj, Gandhinagar, Gujarat - 382355, India.
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2
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Wu J, Deng J, Theocharidis G, Sarrafian TL, Griffiths LG, Bronson RT, Veves A, Chen J, Yuk H, Zhao X. Adhesive anti-fibrotic interfaces on diverse organs. Nature 2024; 630:360-367. [PMID: 38778109 PMCID: PMC11168934 DOI: 10.1038/s41586-024-07426-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2022] [Accepted: 04/16/2024] [Indexed: 05/25/2024]
Abstract
Implanted biomaterials and devices face compromised functionality and efficacy in the long term owing to foreign body reactions and subsequent formation of fibrous capsules at the implant-tissue interfaces1-4. Here we demonstrate that an adhesive implant-tissue interface can mitigate fibrous capsule formation in diverse animal models, including rats, mice, humanized mice and pigs, by reducing the level of infiltration of inflammatory cells into the adhesive implant-tissue interface compared to the non-adhesive implant-tissue interface. Histological analysis shows that the adhesive implant-tissue interface does not form observable fibrous capsules on diverse organs, including the abdominal wall, colon, stomach, lung and heart, over 12 weeks in vivo. In vitro protein adsorption, multiplex Luminex assays, quantitative PCR, immunofluorescence analysis and RNA sequencing are additionally carried out to validate the hypothesis. We further demonstrate long-term bidirectional electrical communication enabled by implantable electrodes with an adhesive interface over 12 weeks in a rat model in vivo. These findings may offer a promising strategy for long-term anti-fibrotic implant-tissue interfaces.
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Affiliation(s)
- Jingjing Wu
- Department of Mechanical Engineering, Massachusetts Institute of Technology, Cambridge, MA, USA
| | - Jue Deng
- Department of Mechanical Engineering, Massachusetts Institute of Technology, Cambridge, MA, USA
| | - Georgios Theocharidis
- Joslin-Beth Israel Deaconess Foot Center and The Rongxiang Xu, MD, Center for Regenerative Therapeutics, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA
| | | | - Leigh G Griffiths
- Department of Cardiovascular Medicine, Mayo Clinic, Rochester, MN, USA
| | | | - Aristidis Veves
- Joslin-Beth Israel Deaconess Foot Center and The Rongxiang Xu, MD, Center for Regenerative Therapeutics, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA
| | - Jianzhu Chen
- Koch Institute for Integrative Cancer Research and Department of Biology, Massachusetts Institute of Technology, Cambridge, MA, USA
| | - Hyunwoo Yuk
- Department of Mechanical Engineering, Massachusetts Institute of Technology, Cambridge, MA, USA.
- SanaHeal, Cambridge, MA, USA.
| | - Xuanhe Zhao
- Department of Mechanical Engineering, Massachusetts Institute of Technology, Cambridge, MA, USA.
- Department of Civil and Environmental Engineering, Massachusetts Institute of Technology, Cambridge, MA, USA.
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3
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Dravid AA, Singh A, García AJ. Biomaterial-Based Therapeutic Delivery of Immune Cells. Adv Healthc Mater 2024:e2400586. [PMID: 38813869 DOI: 10.1002/adhm.202400586] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2024] [Revised: 05/15/2024] [Indexed: 05/31/2024]
Abstract
Immune cell therapy (ICT) is a transformative approach used to treat a wide range of diseases including type 1 diabetes, sickle cell disease, disorders of the hematopoietic system, and certain forms of cancers. Despite excellent clinical successes, the scope of adoptively transferred immune cells is limited because of toxicities like cytokine release syndrome and immune effector cell-associated neurotoxicity in patients. Furthermore, reports suggest that such treatment can impact major organ systems including cardiac, renal, pulmonary, and hepatic systems in the long term. Additionally, adoptively transferred immune cells cannot achieve significant penetration into solid tissues, thus limiting their therapeutic potential. Recent studies suggest that biomaterial-assisted delivery of immune cells can address these challenges by reducing toxicity, improving localization, and maintaining desired phenotypes to eventually regain tissue function. In this review, recent efforts in the field of biomaterial-based immune cell delivery for the treatment of diseases, their pros and cons, and where these approaches stand in terms of clinical treatment are highlighted.
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Affiliation(s)
- Ameya A Dravid
- Woodruff School of Mechanical Engineering, Georgia Institute of Technology, Atlanta, GA, 30332, USA
| | - Ankur Singh
- Woodruff School of Mechanical Engineering, Georgia Institute of Technology, Atlanta, GA, 30332, USA
- Coulter Department of Biomedical Engineering, Georgia Institute of Technology and Emory University, Atlanta, GA, 30332, USA
- Petit Institute for Bioengineering and Bioscience, Georgia Institute of Technology, Atlanta, GA, 30332, USA
| | - Andrés J García
- Woodruff School of Mechanical Engineering, Georgia Institute of Technology, Atlanta, GA, 30332, USA
- Petit Institute for Bioengineering and Bioscience, Georgia Institute of Technology, Atlanta, GA, 30332, USA
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4
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Mietzner R, Barbey C, Lehr H, Ziegler CE, Peterhoff D, Wagner R, Goepferich A, Breunig M. Prolonged delivery of HIV-1 vaccine nanoparticles from hydrogels. Int J Pharm 2024; 657:124131. [PMID: 38643811 DOI: 10.1016/j.ijpharm.2024.124131] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2024] [Revised: 04/14/2024] [Accepted: 04/15/2024] [Indexed: 04/23/2024]
Abstract
Immunization is a straightforward concept but remains for some pathogens like HIV-1 a challenge. Thus, new approaches towards increasing the efficacy of vaccines are required to turn the tide. There is increasing evidence that antigen exposure over several days to weeks induces a much stronger and more sustained immune response compared to traditional bolus injection, which usually leads to antigen elimination from the body within a couple of days. Therefore, we developed a poly(ethylene) glycol (PEG) hydrogel platform to investigate the principal feasibility of a sustained release of antigens to mimic natural infection kinetics. Eight-and four-armed PEG macromonomers of different MWs (10, 20, and 40 kDa) were end-group functionalized to allow for hydrogel formation via covalent cross-linking. An HIV-1 envelope (Env) antigen in its trimeric (Envtri) or monomeric (Envmono) form was applied. The soluble Env antigen was compared to a formulation of Env attached to silica nanoparticles (Env-SiNPs). The latter are known to have a higher immunogenicity compared to their soluble counterparts. Hydrogels were tunable regarding the rheological behavior allowing for different degradation times and release timeframes of Env-SiNPs over two to up to 50 days. Affinity measurements of the VCR01 antibody which specifically recognizes the CD4 binding site of Env, revealed that neither the integrity nor the functionality of Envmono-SiNPs (Kd = 2.1 ± 0.9 nM) and Envtri-SiNPs (Kd = 1.5 ± 1.3 nM), respectively, were impaired after release from the hydrogel (Kd before release: 2.1 ± 0.1 and 7.8 ± 5.3 nM, respectively). Finally, soluble Env and Env-SiNPs which are two physico-chemically distinct compounds, were co-delivered and shown to be sequentially released from one hydrogel which could be beneficial in terms of heterologous immunization or single dose vaccination. In summary, this study presents a tunable, versatile applicable, and effective delivery platform that could improve vaccination effectiveness also for other infectious diseases than HIV-1.
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Affiliation(s)
- Raphael Mietzner
- Department of Pharmaceutical Technology, University of Regensburg, Universitaetsstrasse 31, 93040 Regensburg, Germany
| | - Clara Barbey
- Department of Pharmaceutical Technology, University of Regensburg, Universitaetsstrasse 31, 93040 Regensburg, Germany
| | - Heike Lehr
- Department of Pharmaceutical Technology, University of Regensburg, Universitaetsstrasse 31, 93040 Regensburg, Germany
| | - Christian E Ziegler
- Department of Pharmaceutical Technology, University of Regensburg, Universitaetsstrasse 31, 93040 Regensburg, Germany
| | - David Peterhoff
- Institute of Medical Microbiology and Hygiene, University of Regensburg, Universitaetsstrasse 31, 93040 Regensburg, Germany; Institute of Clinical Microbiology and Hygiene, University Hospital Regensburg, Regensburg, Germany
| | - Ralf Wagner
- Institute of Medical Microbiology and Hygiene, University of Regensburg, Universitaetsstrasse 31, 93040 Regensburg, Germany; Institute of Clinical Microbiology and Hygiene, University Hospital Regensburg, Regensburg, Germany
| | - Achim Goepferich
- Department of Pharmaceutical Technology, University of Regensburg, Universitaetsstrasse 31, 93040 Regensburg, Germany
| | - Miriam Breunig
- Department of Pharmaceutical Technology, University of Regensburg, Universitaetsstrasse 31, 93040 Regensburg, Germany.
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5
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Yan Y, Vladisavljević GT, Lin Z, Yang H, Zhang X, Yuan W. PEGDA hydrogel microspheres with encapsulated salt for versatile control of protein crystallization. J Colloid Interface Sci 2024; 660:574-584. [PMID: 38266339 DOI: 10.1016/j.jcis.2024.01.125] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2023] [Revised: 12/30/2023] [Accepted: 01/18/2024] [Indexed: 01/26/2024]
Abstract
Due to their biocompatibility and adjustable chemical structure and morphology, hydrogels have great potential in many applications, and can be used to enhance protein crystal quality and crystallization efficiency, contributing to biomedicine manufacturing. Monodispersed PEGDA hydrogel microspheres (HMSs) were synthesized using a Lego-inspired microfluidic device. The generated droplets were then UV polymerized, partially hydrolyzed with 0.1 M NaOH solution to improve their absorption capacity, and soaked in a buffer solution containing 0, 0.5, 1, 2, and 4 M NaCl. Salt-loaded HMSs were used as the medium for the enhanced crystallization of hen egg white lysozyme from aqueous solutions. Different supersaturations were achieved in the protein solutions by releasing NaCl of different concentrations from HMSs, as confirmed by electrical conductivity measurements. HMSs with or without NaCl can both provide heterogeneous nucleation sites due to their nano-porous structure and wrinkled surface. The addition of NaCl-loaded HMSs to the protein solution can also increase or decrease the supersaturation in the whole solution or locally near the HMS, leading to controllable nucleation time and crystal size distribution dependent on the NaCl concentration loaded into HMSs.
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Affiliation(s)
- Yizhen Yan
- State Key Laboratory of Chemical Engineering, East China University of Science and Technology, Shanghai 200237, China; Department of Chemical Engineering, Loughborough University, Loughborough, Leicestershire LE11 3TU, United Kingdom
| | - Goran T Vladisavljević
- Department of Chemical Engineering, Loughborough University, Loughborough, Leicestershire LE11 3TU, United Kingdom
| | - Zhichun Lin
- Department of Chemical Engineering, Loughborough University, Loughborough, Leicestershire LE11 3TU, United Kingdom
| | - Huaiyu Yang
- Department of Chemical Engineering, Loughborough University, Loughborough, Leicestershire LE11 3TU, United Kingdom.
| | - Xiangyang Zhang
- State Key Laboratory of Chemical Engineering, East China University of Science and Technology, Shanghai 200237, China.
| | - Weikang Yuan
- State Key Laboratory of Chemical Engineering, East China University of Science and Technology, Shanghai 200237, China
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Oliveira SLD, Costa CCD, Aracati MF, Rodrigues LF, Conde G, Moraes ACD, Camplesi AC, Farias THV, Silva IC, Pereira LAM, Belo MADA. Innate immunity response of zafirlukast treated-tilapia during foreign body inflammation. DEVELOPMENTAL AND COMPARATIVE IMMUNOLOGY 2024; 153:105112. [PMID: 38092068 DOI: 10.1016/j.dci.2023.105112] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/13/2023] [Revised: 12/06/2023] [Accepted: 12/06/2023] [Indexed: 01/10/2024]
Abstract
There is limited knowledge regarding the blockade of cysteinyl leukotriene receptors (CysLTRs) and their effects in teleost fish. The present study investigated the effects of Zafirlukast, antagonist of CysLTR1 receptor, on the foreign body inflammatory reaction in Nile tilapia (Oreochromis niloticus). Zafirlukast-treated tilapia demonstrated a decrease in the formation of multinucleated foreign body giant cells and Langhans cells on the round glass coverslips implanted in the subcutaneous tissue, along with a significant reduction in white blood cell counts and decreased production of reactive oxygen species. There was an increase in serum levels of α2-macroglobulins, as well as a decrease in ceruloplasmin and haptoglobin. Zafirlukast treatment led to a significant decrease in the area of splenic melanomacrophage centers and a reduction in the presence of lipofuscin. These findings highlight the potential anti-inflammatory effects of zafirlukast treatment in tilapia and indicate its action on CysLTR1 receptor, modulating the innate immune response of tilapia during the foreign body reaction. The comprehension of chronic inflammation mechanisms in fish has become increasingly relevant, especially concerning the utilization of biomaterials for vaccine and drug delivery.
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Affiliation(s)
| | | | | | | | - Gabriel Conde
- Department of Preventive Veterinary Medicine, São Paulo State University (UNESP), Brazil
| | | | | | | | - Ives Charlie Silva
- Chemistry Institute, IQ -UNESP (São Paulo State University), Araraquara, SP, Brazil
| | | | - Marco Antonio de Andrade Belo
- Department of Preventive Veterinary Medicine, São Paulo State University (UNESP), Brazil; Brazil University - (UB), Descalvado, SP, Brazil.
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Zidi M, Khoffi F, Girault E, Eidenschenk A, Barbet R, Tazibt A, Heim F, Msahli S. Medical textile implants: hybrid fibrous constructions towards improved performances. BIOMED ENG-BIOMED TE 2024; 0:bmt-2023-0335. [PMID: 38462974 DOI: 10.1515/bmt-2023-0335] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2023] [Accepted: 02/21/2024] [Indexed: 03/12/2024]
Abstract
OBJECTIVES One main challenge for textile implants is to limit the foreign body reaction (FBR) and in particular the fibrosis development once the device is implanted. Fibrotic tissue in-growth depends on the fiber size, the pore size, and the organization of the fibrous construction. Basically, non-woven fibrous assemblies present a more favorable interface to biological tissues than do woven structures. However, they are mechanically less strong. In order to combine both strength and appropriate topography properties, the design of a hybrid fibrous construct was considered and discussed in this work. METHODS Two polyethylene terephthalate (PET) weaves (satin and plain) were assembled with a non-woven PET mat, using an ultrasound welding process. RESULTS The physical and mechanical properties of the construction as well as its ability to interact with the biological environment were then evaluated. In particular, the wettability of the obtained substrate as well as its ability to interact with mesenchymal stem cells (MSC) at 24 h (adhesion) and 72 h (proliferation) in vitro were studied. CONCLUSIONS The results show that the non-woven layer helps limiting cell proliferation in the plain weave construction and promotes conversely proliferation in the satin construction.
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Affiliation(s)
- Malèke Zidi
- Laboratoire de Génie Textile (LGTex), Ksar-Hellal, Tunisia
| | - Foued Khoffi
- Laboratoire de Génie Textile (LGTex), Ksar-Hellal, Tunisia
| | - Elise Girault
- Laboratoire de Physique et Mécanique Textiles (LPMT), ENSISA, Mulhouse, France
| | | | - Romain Barbet
- Institut de Recherche en Hématologie et Transplantation (IRHT), Mulhouse, France
| | - Abdel Tazibt
- CRITT Techniques Jet Fluide et Usinage (TJFU), Bar-Le-Duc, France
| | - Fréderic Heim
- Laboratoire de Physique et Mécanique Textiles (LPMT), ENSISA, Mulhouse, France
- GEPROMED, Hôpitaux Universitaires de Strasbourg, Strasbourg, France
| | - Slah Msahli
- Laboratoire de Génie Textile (LGTex), Ksar-Hellal, Tunisia
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Blackman SA, Miles D, Suresh J, Calve S, Bryant SJ. Cell- and Serum-Derived Proteins Act as DAMPs to Activate RAW 264.7 Macrophage-like Cells on Silicone Implants. ACS Biomater Sci Eng 2024; 10:1418-1434. [PMID: 38319825 DOI: 10.1021/acsbiomaterials.3c01393] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2024]
Abstract
Protein adsorption after biomaterial implantation is the first stage of the foreign body response (FBR). However, the source(s) of the adsorbed proteins that lead to damaged associated molecular patterns (DAMPs) and induce inflammation have not been fully elucidated. This study examined the effects of different protein sources, cell-derived (from a NIH/3T3 fibroblast cell lysate) and serum-derived (from fetal bovine serum), which were compared to implant-derived proteins (after a 30 min subcutaneous implantation in mice) on activation of RAW 264.7 cells cultured in minimal (serum-free) medium. Both cell-derived and serum-derived protein sources when preadsorbed to either tissue culture polystyrene or medical-grade silicone induced RAW 264.7 cell activation. The combination led to an even higher expression of pro-inflammatory cytokine genes and proteins. Implant-derived proteins on silicone explants induced a rapid inflammatory response that then subsided more quickly and to a greater extent than the studies with in vitro cell-derived or serum-derived protein sources. Proteomic analysis of the implant-derived proteins identified proteins that included cell-derived and serum-derived, but also other proteinaceous sources (e.g., extracellular matrix), suggesting that the latter or nonproteinaceous sources may help to temper the inflammatory response in vivo. These findings indicate that both serum-derived and cell-derived proteins adsorbed to implants can act as DAMPs to drive inflammation in the FBR, but other protein sources may play an important role in controlling inflammation.
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Affiliation(s)
- Samuel A Blackman
- Department of Chemical and Biological Engineering, University of Colorado Boulder, 3415 Colorado Avenue, Boulder, Colorado 80309-0596, United States
| | - Dalton Miles
- Department of Chemical and Biological Engineering, University of Colorado Boulder, 3415 Colorado Avenue, Boulder, Colorado 80309-0596, United States
| | - Joshita Suresh
- Department of Chemical and Biological Engineering, University of Colorado Boulder, 3415 Colorado Avenue, Boulder, Colorado 80309-0596, United States
| | - Sarah Calve
- Paul M. Rady Department of Mechanical Engineering, University of Colorado Boulder, 1111 Engineering Drive, Boulder, Colorado 80309-0427, United States
- BioFrontiers Institute, University of Colorado Boulder, 3415 Colorado Avenue, Boulder, Colorado 80309-0596, United States
| | - Stephanie J Bryant
- Department of Chemical and Biological Engineering, University of Colorado Boulder, 3415 Colorado Avenue, Boulder, Colorado 80309-0596, United States
- BioFrontiers Institute, University of Colorado Boulder, 3415 Colorado Avenue, Boulder, Colorado 80309-0596, United States
- Materials Science and Engineering Program, University of Colorado Boulder, 4001 Discovery Drive, Boulder, Colorado 80300-0613, United States
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Miron RJ, Bohner M, Zhang Y, Bosshardt DD. Osteoinduction and osteoimmunology: Emerging concepts. Periodontol 2000 2024; 94:9-26. [PMID: 37658591 DOI: 10.1111/prd.12519] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2023] [Revised: 06/23/2023] [Accepted: 07/20/2023] [Indexed: 09/03/2023]
Abstract
The recognition and importance of immune cells during bone regeneration, including around bone biomaterials, has led to the development of an entire field termed "osteoimmunology," which focuses on the connection and interplay between the skeletal system and immune cells. Most studies have focused on the "osteogenic" capacity of various types of bone biomaterials, and much less focus has been placed on immune cells despite being the first cell type in contact with implantable devices. Thus, the amount of literature generated to date on this topic makes it challenging to extract needed information. This review article serves as a guide highlighting advancements made in the field of osteoimmunology emphasizing the role of the osteoimmunomodulatory properties of biomaterials and their impact on osteoinduction. First, the various immune cell types involved in bone biomaterial integration are discussed, including the prominent role of osteal macrophages (OsteoMacs) during bone regeneration. Thereafter, key biomaterial properties, including topography, wettability, surface charge, and adsorption of cytokines, growth factors, ions, and other bioactive molecules, are discussed in terms of their impact on immune responses. These findings highlight and recognize the importance of the immune system and osteoimmunology, leading to a shift in the traditional models used to understand and evaluate biomaterials for bone regeneration.
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Affiliation(s)
- Richard J Miron
- Department of Periodontology, University of Bern, Bern, Switzerland
| | | | - Yufeng Zhang
- Department of Oral Implantology, University of Wuhan, Wuhan, China
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Ten Brink T, Damanik F, Rotmans JI, Moroni L. Unraveling and Harnessing the Immune Response at the Cell-Biomaterial Interface for Tissue Engineering Purposes. Adv Healthc Mater 2024:e2301939. [PMID: 38217464 DOI: 10.1002/adhm.202301939] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2023] [Revised: 12/14/2023] [Indexed: 01/15/2024]
Abstract
Biomaterials are defined as "engineered materials" and include a range of natural and synthetic products, designed for their introduction into and interaction with living tissues. Biomaterials are considered prominent tools in regenerative medicine that support the restoration of tissue defects and retain physiologic functionality. Although commonly used in the medical field, these constructs are inherently foreign toward the host and induce an immune response at the material-tissue interface, defined as the foreign body response (FBR). A strong connection between the foreign body response and tissue regeneration is suggested, in which an appropriate amount of immune response and macrophage polarization is necessary to trigger autologous tissue formation. Recent developments in this field have led to the characterization of immunomodulatory traits that optimizes bioactivity, the integration of biomaterials and determines the fate of tissue regeneration. This review addresses a variety of aspects that are involved in steering the inflammatory response, including immune cell interactions, physical characteristics, biochemical cues, and metabolomics. Harnessing the advancing knowledge of the FBR allows for the optimization of biomaterial-based implants, aiming to prevent damage of the implant, improve natural regeneration, and provide the tools for an efficient and successful in vivo implantation.
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Affiliation(s)
- Tim Ten Brink
- Complex Tissue Regeneration Department, MERLN Institute for Technology-Inspired Regenerative Medicine, Maastricht University, Universiteitssingel 40, Maastricht, 6229ER, The Netherlands
| | - Febriyani Damanik
- Complex Tissue Regeneration Department, MERLN Institute for Technology-Inspired Regenerative Medicine, Maastricht University, Universiteitssingel 40, Maastricht, 6229ER, The Netherlands
| | - Joris I Rotmans
- Department of Internal Medicine, Leiden University Medical Center, Albinusdreef 2, Leiden, 2333ZA, The Netherlands
| | - Lorenzo Moroni
- Complex Tissue Regeneration Department, MERLN Institute for Technology-Inspired Regenerative Medicine, Maastricht University, Universiteitssingel 40, Maastricht, 6229ER, The Netherlands
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11
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Widener AE, Roberts A, Phelps EA. Granular Hydrogels for Harnessing the Immune Response. Adv Healthc Mater 2023:e2303005. [PMID: 38145369 DOI: 10.1002/adhm.202303005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2023] [Revised: 11/13/2023] [Indexed: 12/26/2023]
Abstract
This review aims to understand the current progress in immune-instructive granular hydrogels and identify the key features used as immunomodulatory strategies. Published work is systematically reviewed and relevant information about granular hydrogels used throughout these studies is collected. The base polymer, microgel generation technique, polymer crosslinking chemistry, particle size and shape, annealing strategy, granular hydrogel stiffness, pore size and void space, degradability, biomolecule presentation, and drug release are cataloged for each work. Several granular hydrogel parameters used for immune modulation: porosity, architecture, bioactivity, drug release, cell delivery, and modularity, are identified. The authors found in this review that porosity is the most significant factor influencing the innate immune response to granular hydrogels, while incorporated bioactivity is more significant in influencing adaptive immune responses. Here, the authors' findings and summarized results from each section are presented and suggestions are made for future studies to better understand the benefits of using immune-instructive granular hydrogels.
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Affiliation(s)
- Adrienne E Widener
- J. Crayton Pruitt Family Department of Biomedical Engineering, University of Florida, 1275 Center Dr., Gainesville, 32611, USA
| | - Abilene Roberts
- J. Crayton Pruitt Family Department of Biomedical Engineering, University of Florida, 1275 Center Dr., Gainesville, 32611, USA
| | - Edward A Phelps
- J. Crayton Pruitt Family Department of Biomedical Engineering, University of Florida, 1275 Center Dr., Gainesville, 32611, USA
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12
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Zhang Z, Zhang X, Zheng Z, Xin J, Han S, Qi J, Zhang T, Wang Y, Zhang S. Latest advances: Improving the anti-inflammatory and immunomodulatory properties of PEEK materials. Mater Today Bio 2023; 22:100748. [PMID: 37600350 PMCID: PMC10432209 DOI: 10.1016/j.mtbio.2023.100748] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2023] [Revised: 07/18/2023] [Accepted: 07/25/2023] [Indexed: 08/22/2023] Open
Abstract
Excellent biocompatibility, mechanical properties, chemical stability, and elastic modulus close to bone tissue make polyetheretherketone (PEEK) a promising orthopedic implant material. However, biological inertness has hindered the clinical applications of PEEK. The immune responses and inflammatory reactions after implantation would interfere with the osteogenic process. Eventually, the proliferation of fibrous tissue and the formation of fibrous capsules would result in a loose connection between PEEK and bone, leading to implantation failure. Previous studies focused on improving the osteogenic properties and antibacterial ability of PEEK with various modification techniques. However, few studies have been conducted on the immunomodulatory capacity of PEEK. New clinical applications and advances in processing technology, research, and reports on the immunomodulatory capacity of PEEK have received increasing attention in recent years. Researchers have designed numerous modification techniques, including drug delivery systems, surface chemical modifications, and surface porous treatments, to modulate the post-implantation immune response to address the regulatory factors of the mechanism. These studies provide essential ideas and technical preconditions for the development and research of the next generation of PEEK biological implant materials. This paper summarizes the mechanism by which the immune response after PEEK implantation leads to fibrous capsule formation; it also focuses on modification techniques to improve the anti-inflammatory and immunomodulatory abilities of PEEK. We also discuss the limitations of the existing modification techniques and present the corresponding future perspectives.
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Affiliation(s)
- Zilin Zhang
- Department of Spine Surgery, Center of Orthopedics, First Hospital of Jilin University, Changchun, 130021, China
- Jilin Engineering Research Center for Spine and Spinal Cord Injury, Changchun, 130021, China
| | - Xingmin Zhang
- Department of Spine Surgery, Center of Orthopedics, First Hospital of Jilin University, Changchun, 130021, China
- Jilin Engineering Research Center for Spine and Spinal Cord Injury, Changchun, 130021, China
| | - Zhi Zheng
- Department of Spine Surgery, Center of Orthopedics, First Hospital of Jilin University, Changchun, 130021, China
- Jilin Engineering Research Center for Spine and Spinal Cord Injury, Changchun, 130021, China
| | - Jingguo Xin
- Department of Spine Surgery, Center of Orthopedics, First Hospital of Jilin University, Changchun, 130021, China
- Jilin Engineering Research Center for Spine and Spinal Cord Injury, Changchun, 130021, China
| | - Song Han
- Department of Spine Surgery, Center of Orthopedics, First Hospital of Jilin University, Changchun, 130021, China
- Jilin Engineering Research Center for Spine and Spinal Cord Injury, Changchun, 130021, China
| | - Jinwei Qi
- Department of Spine Surgery, Center of Orthopedics, First Hospital of Jilin University, Changchun, 130021, China
- Jilin Engineering Research Center for Spine and Spinal Cord Injury, Changchun, 130021, China
| | - Tianhui Zhang
- Department of Spine Surgery, Center of Orthopedics, First Hospital of Jilin University, Changchun, 130021, China
- Jilin Engineering Research Center for Spine and Spinal Cord Injury, Changchun, 130021, China
| | - Yongjie Wang
- Department of Spine Surgery, Center of Orthopedics, First Hospital of Jilin University, Changchun, 130021, China
- Jilin Engineering Research Center for Spine and Spinal Cord Injury, Changchun, 130021, China
| | - Shaokun Zhang
- Department of Spine Surgery, Center of Orthopedics, First Hospital of Jilin University, Changchun, 130021, China
- Jilin Engineering Research Center for Spine and Spinal Cord Injury, Changchun, 130021, China
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13
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Zou Y, Shan Z, Han Z, Yang J, Lin Y, Gong Z, Xie L, Xu J, Xie R, Chen Z, Chen Z. Regulating Blood Clot Fibrin Films to Manipulate Biomaterial-Mediated Foreign Body Responses. RESEARCH (WASHINGTON, D.C.) 2023; 6:0225. [PMID: 37719049 PMCID: PMC10503960 DOI: 10.34133/research.0225] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/20/2023] [Accepted: 08/20/2023] [Indexed: 09/19/2023]
Abstract
The clinical efficacy of implanted biomaterials is often compromised by host immune recognition and subsequent foreign body responses (FBRs). During the implantation, biomaterials inevitably come into direct contact with the blood, absorbing blood protein and forming blood clot. Many studies have been carried out to regulate protein adsorption, thus manipulating FBR. However, the role of clot surface fibrin films formed by clotting shrinkage in host reactions and FBR is often ignored. Because of the principle of fibrin film formation being relevant to fibrinogen or clotting factor absorption, it is feasible to manipulate the fibrin film formation via tuning the absorption of fibrinogen and clotting factor. As biological hydroxyapatite reserved bone architecture and microporous structure, the smaller particle size may expose more microporous structures and adsorb more fibrinogen or clotting factor. Therefore, we set up 3 sizes (small, <0.2 mm; medium, 1 to 2 mm; large, 3 to 4 mm) of biological hydroxyapatite (porcine bone-derived hydroxyapatite) with different microporous structures to investigate the absorption of blood protein, the formation of clot surface fibrin films, and the subsequent FBR. We found that small group adsorbed more clotting factors because of more microporous structures and formed the thinnest and sparsest fibrin films. These thinnest and sparsest fibrin films increased inflammation and profibrosis of macrophages through a potential signaling pathway of cell adhesion-cytoskeleton-autophagy, leading to the stronger FBR. Large group adsorbed lesser clotting factors, forming the thickest and densest fibrin films, easing inflammation and profibrosis of macrophages, and finally mitigating FBR. Thus, this study deepens the understanding of the role of fibrin films in host recognition and FBR and demonstrates the feasibility of a strategy to regulate FBR by modulating fibrin films via tuning the absorption of blood proteins.
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Affiliation(s)
| | | | | | | | | | | | | | | | | | | | - Zetao Chen
- Hospital of Stomatology, Guanghua School of Stomatology,
Sun Yat-sen University and Guangdong Research Center for Dental and Cranial Rehabilitation and Material Engineering, Guangzhou 510055, China
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14
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McKiel LA, Ballantyne LL, Negri GL, Woodhouse KA, Fitzpatrick LE. MyD88-dependent Toll-like receptor 2 signaling modulates macrophage activation on lysate-adsorbed Teflon™ AF surfaces in an in vitro biomaterial host response model. Front Immunol 2023; 14:1232586. [PMID: 37691934 PMCID: PMC10491479 DOI: 10.3389/fimmu.2023.1232586] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2023] [Accepted: 08/02/2023] [Indexed: 09/12/2023] Open
Abstract
The adsorbed protein layer on an implanted biomaterial surface is known to mediate downstream cell-material interactions that drive the host response. While the adsorption of plasma-derived proteins has been studied extensively, the adsorption of damage-associated molecular patterns (DAMPs) derived from damaged cells and matrix surrounding the implant remains poorly understood. Previously, our group developed a DAMP-adsorption model in which 3T3 fibroblast lysates were used as a complex source of cell-derived DAMPs and we demonstrated that biomaterials with adsorbed lysate potently activated RAW-Blue macrophages via Toll-like receptor 2 (TLR2). In the present study, we characterized the response of mouse bone marrow derived macrophages (BMDM) from wildtype (WT), TLR2-/- and MyD88-/- mice on Teflon™ AF surfaces pre-adsorbed with 10% plasma or lysate-spiked plasma (10% w/w total protein from 3T3 fibroblast lysate) for 24 hours. WT BMDM cultured on adsorbates derived from 10% lysate in plasma had significantly higher gene and protein expression of IL-1β, IL-6, TNF-α, IL-10, RANTES/CCL5 and CXCL1/KC, compared to 10% plasma-adsorbed surfaces. Furthermore, the upregulation of pro-inflammatory cytokine and chemokine expression in the 10% lysate in plasma condition was attenuated in TLR2-/- and MyD88-/- BMDM. Proteomic analysis of the adsorbed protein layers showed that even this relatively small addition of lysate-derived proteins within plasma (10% w/w) caused a significant change to the adsorbed protein profile. The 10% plasma condition had fibrinogen, albumin, apolipoproteins, complement, and fibronectin among the top 25 most abundant proteins. While proteins layers generated from 10% lysate in plasma retained fibrinogen and fibronectin among the top 25 proteins, there was a disproportionate increase in intracellular proteins, including histones, tubulins, actins, and vimentin. Furthermore, we identified 7 DAMPs or DAMP-related proteins enriched in the 10% plasma condition (fibrinogen, apolipoproteins), compared to 39 DAMPs enriched in the 10% lysate in plasma condition, including high mobility group box 1 and histones. Together, these findings indicate that DAMPs and other intracellular proteins readily adsorb to biomaterial surfaces in competition with plasma proteins, and that adsorbed DAMPs induce an inflammatory response in adherent macrophages that is mediated by the MyD88-dependent TLR2 signaling pathway.
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Affiliation(s)
- Laura A. McKiel
- Department of Chemical Engineering, Faculty of Engineering and Applied Sciences, Queen’s University, Kingston, ON, Canada
| | - Laurel L. Ballantyne
- Department of Chemical Engineering, Faculty of Engineering and Applied Sciences, Queen’s University, Kingston, ON, Canada
- Centre for Health Innovation, Queen’s University and Kingston Health Sciences, Kingston, ON, Canada
| | | | - Kimberly A. Woodhouse
- Department of Chemical Engineering, Faculty of Engineering and Applied Sciences, Queen’s University, Kingston, ON, Canada
| | - Lindsay E. Fitzpatrick
- Department of Chemical Engineering, Faculty of Engineering and Applied Sciences, Queen’s University, Kingston, ON, Canada
- Centre for Health Innovation, Queen’s University and Kingston Health Sciences, Kingston, ON, Canada
- Department of Biomedical and Molecular Sciences, Faculty of Health Sciences, Queen’s University, Kingston, ON, Canada
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15
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Tawagi E, Ung T, Cheng HLM, Santerre JP. Arrhenius-model-based degradable oligourethane hydrogels for controlled growth factor release. Acta Biomater 2023; 166:167-186. [PMID: 37207744 DOI: 10.1016/j.actbio.2023.05.024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2023] [Revised: 04/22/2023] [Accepted: 05/12/2023] [Indexed: 05/21/2023]
Abstract
Biodegradable hydrogels are growing in demand to enable the delivery of biomolecules (e.g. growth factors) for regenerative medicine. This research investigated the resorption of an oligourethane/polyacrylic acid hydrogel, a biodegradable hydrogel which supports tissue regeneration. The Arrhenius model was used to characterize the resorption of the polymeric gels in relevant in vitro conditions, and the Flory-Rehner equation was used to correlate the volumetric swelling ratio with the extent of degradation. The study found that the swelling rate of the hydrogel follows the Arrhenius model at elevated temperatures, estimating degradation time in saline solution at 37°C to be between 5 and 13 months, serving as a preliminary approximation of degradation in vivo. The degradation products had low cytotoxicity towards endothelial cells, and the hydrogel supported stromal cell proliferation. Additionally, the hydrogels were able to release growth factors and maintain the biomolecules' bioactivity towards cell proliferation. The study of the vascular endothelial growth factor (VEGF) release from the hydrogel used a diffusion process model, showing that the electrostatic attraction between VEGF and the anionic hydrogel allowed for controlled and sustained VEGF release over three weeks. In a rat subcutaneous implant model, a selected hydrogel with desired degradation rates exhibited minimal foreign body response and supported M2a macrophage phenotype, and vascularization. The low M1 and high M2a macrophage phenotypes within the implants were associated with tissue integration. This research supports the use of oligourethane/polyacrylic acid hydrogels as a promising material for delivering growth factors and supporting tissue regeneration. STATEMENT OF SIGNIFICANCE: There is a need for degradable elastomeric hydrogels that can support the formation of soft tissues and minimize long-term foreign body responses. An Arrhenius model was used to estimate the relative breakdown of hydrogels, in-vitro. The results demonstrate that hydrogels made from a combination of poly(acrylic acid) and oligo-urethane diacrylates can be designed to resorb over defined periods ranging from months to years depending on the chemical formulation prescribed by the model. The hydrogel formulations also provided for different release profiles of growth factors, relevant to tissue regeneration. In-vivo, these hydrogels had minimal inflammatory effects and showed evidence of integration into the surrounding tissue. The hydrogel approach can help the field design a broader range of biomaterials for tissue regeneration.
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Affiliation(s)
- Eric Tawagi
- Institute of Biomedical Engineering, University of Toronto, 661 University Avenue, 14th Floor, Room 1435, Toronto, ON M5G 1M1, Canada; Translational Biology & Engineering Program, Ted Rogers Centre for Heart Research, Toronto, ON, Canada
| | - Trevor Ung
- Translational Biology & Engineering Program, Ted Rogers Centre for Heart Research, Toronto, ON, Canada
| | - Hai-Ling Margaret Cheng
- Institute of Biomedical Engineering, University of Toronto, 661 University Avenue, 14th Floor, Room 1435, Toronto, ON M5G 1M1, Canada; Translational Biology & Engineering Program, Ted Rogers Centre for Heart Research, Toronto, ON, Canada; The Edward S. Rogers Sr. Department of Electrical & Computer Engineering, University of Toronto, Toronto, ON, Canada
| | - J Paul Santerre
- Institute of Biomedical Engineering, University of Toronto, 661 University Avenue, 14th Floor, Room 1435, Toronto, ON M5G 1M1, Canada; Translational Biology & Engineering Program, Ted Rogers Centre for Heart Research, Toronto, ON, Canada; Faculty of Dentistry, University of Toronto, Toronto, ON, Canada.
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16
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Miller C, Sask KN. Fetuin-A adsorption to tunable polydimethylsiloxane and subsequent macrophage response. J Biomed Mater Res A 2023; 111:1096-1109. [PMID: 36592125 DOI: 10.1002/jbm.a.37491] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2022] [Revised: 12/01/2022] [Accepted: 12/15/2022] [Indexed: 01/03/2023]
Abstract
Surface modifications can be applied to biomaterials to alter the various surface properties that influence protein-material interactions and the cellular response. The plasma protein fetuin-A has been found to adsorb to many biomaterials but details of its interactions with polydimethylsiloxane (PDMS) and roles in regulating the immune response are not clear. Here, PDMS modifications are achieved by altering the ratio of PDMS formulations to control elastic modulus, and by coating PDMS with polydopamine (PDA) to attach fetuin-A. Surface characterization confirmed that altering the PDMS formulation changed the elastic modulus without affecting surface wetting properties. Surface roughness was measured using atomic force microscopy and surface chemistry was determined using X-ray photoelectron spectroscopy, with only minor changes detected on the softest samples. PDA deposition on PDMS was confirmed and contact angle measurements demonstrated an increase in hydrophilicity. Fetuin-A adsorption was influenced by the PDMS formulations, adsorption changed in a competitive plasma environment, and PDA was able to immobilize the greatest amount of fetuin-A. The inflammatory effects of fetuin-A were investigated, and data suggests that the elastic modulus influences cytokine secretion from macrophages at certain timepoints, a result likely due to varied protein amounts and orientations/conformations in response to material stiffness. The addition of a PDA layer demonstrated the potentially cytokine mitigating effect upon fetuin-A immobilization when compared to unmodified PDMS samples. The results provide new insight into the interactions of fetuin-A with PDMS and PDA, and the potential immune regulatory properties of fetuin-A modified materials.
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Affiliation(s)
- Chelsea Miller
- School of Biomedical Engineering, McMaster University, Hamilton, Ontario, Canada
| | - Kyla N Sask
- School of Biomedical Engineering, McMaster University, Hamilton, Ontario, Canada
- Department of Materials Science and Engineering, McMaster University, Hamilton, Ontario, Canada
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17
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Qian S, Lin HA, Pan Q, Zhang S, Zhang Y, Geng Z, Wu Q, He Y, Zhu B. Chemically revised conducting polymers with inflammation resistance for intimate bioelectronic electrocoupling. Bioact Mater 2023; 26:24-51. [PMID: 36875055 PMCID: PMC9975642 DOI: 10.1016/j.bioactmat.2023.02.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2022] [Revised: 01/26/2023] [Accepted: 02/10/2023] [Indexed: 02/23/2023] Open
Abstract
Conducting polymers offer attractive mixed ionic-electronic conductivity, tunable interfacial barrier with metal, tissue matchable softness, and versatile chemical functionalization, making them robust to bridge the gap between brain tissue and electronic circuits. This review focuses on chemically revised conducting polymers, combined with their superior and controllable electrochemical performance, to fabricate long-term bioelectronic implants, addressing chronic immune responses, weak neuron attraction, and long-term electrocommunication instability challenges. Moreover, the promising progress of zwitterionic conducting polymers in bioelectronic implants (≥4 weeks stable implantation) is highlighted, followed by a comment on their current evolution toward selective neural coupling and reimplantable function. Finally, a critical forward look at the future of zwitterionic conducting polymers for in vivo bioelectronic devices is provided.
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Affiliation(s)
- Sihao Qian
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering, Donghua University, Shanghai, 201620, China.,School of Materials Science and Engineering & Shanghai Engineering Research Center of Organ Repair, Shanghai University, Shanghai, 200444, China
| | - Hsing-An Lin
- School of Materials Science and Engineering & Shanghai Engineering Research Center of Organ Repair, Shanghai University, Shanghai, 200444, China
| | - Qichao Pan
- School of Materials Science and Engineering & Shanghai Engineering Research Center of Organ Repair, Shanghai University, Shanghai, 200444, China
| | - Shuhua Zhang
- School of Materials Science and Engineering & Shanghai Engineering Research Center of Organ Repair, Shanghai University, Shanghai, 200444, China
| | - Yunhua Zhang
- School of Materials Science and Engineering & Shanghai Engineering Research Center of Organ Repair, Shanghai University, Shanghai, 200444, China
| | - Zhi Geng
- School of Materials Science and Engineering & Shanghai Engineering Research Center of Organ Repair, Shanghai University, Shanghai, 200444, China
| | - Qing Wu
- School of Materials Science and Engineering & Shanghai Engineering Research Center of Organ Repair, Shanghai University, Shanghai, 200444, China
| | - Yong He
- Innovation Center for Textile Science and Technology, Donghua University, Shanghai, 201620, China
| | - Bo Zhu
- School of Materials Science and Engineering & Shanghai Engineering Research Center of Organ Repair, Shanghai University, Shanghai, 200444, China
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18
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Han DS, Erickson C, Hansen KC, Kirkbride-Romeo L, He Z, Rodell CB, Soranno DE. Mesenchymal Stem Cells Delivered Locally to Ischemia-Reperfused Kidneys via Injectable Hyaluronic Acid Hydrogels Decrease Extracellular Matrix Remodeling 1 Month after Injury in Male Mice. Cells 2023; 12:1771. [PMID: 37443806 PMCID: PMC10340256 DOI: 10.3390/cells12131771] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2023] [Revised: 06/26/2023] [Accepted: 06/29/2023] [Indexed: 07/15/2023] Open
Abstract
The translation of stem cell therapies has been hindered by low cell survival and retention rates. Injectable hydrogels enable the site-specific delivery of therapeutic cargo, including cells, to overcome these challenges. We hypothesized that delivery of mesenchymal stem cells (MSC) via shear-thinning and injectable hyaluronic acid (HA) hydrogels would mitigate renal damage following ischemia-reperfusion acute kidney injury. Acute kidney injury (AKI) was induced in mice by bilateral or unilateral ischemia-reperfusion kidney injury. Three days later, mice were treated with MSCs either suspended in media injected intravenously via the tail vein, or injected under the capsule of the left kidney, or MSCs suspended in HA injected under the capsule of the left kidney. Serial measurements of serum and urine biomarkers of renal function and injury, as well as transcutaneous glomerular filtration rate (tGFR) were performed. In vivo optical imaging showed that MSCs localized to both kidneys in a sustained manner after bilateral ischemia and remained within the ipsilateral treated kidney after unilateral ischemic AKI. One month after injury, MSC/HA treatment significantly reduced urinary NGAL compared to controls; it did not significantly reduce markers of fibrosis compared to untreated controls. An analysis of kidney proteomes revealed decreased extracellular matrix remodeling and high overlap with sham proteomes in MSC/HA-treated animals. Hydrogel-assisted MSC delivery shows promise as a therapeutic treatment following acute kidney injury.
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Affiliation(s)
- Daniel S. Han
- Pediatric Urology, Department of Urology, Stanford University School of Medicine, Palo Alto, CA 94305, USA
| | - Christopher Erickson
- Department of Biochemistry and Molecular Genetics, University of Colorado, Aurora, CO 80045, USA
| | - Kirk C. Hansen
- Department of Biochemistry and Molecular Genetics, University of Colorado, Aurora, CO 80045, USA
| | | | - Zhibin He
- Department of Pediatrics, University of Colorado, Aurora, CO 80045, USA
| | - Christopher B. Rodell
- School of Biomedical Engineering, Science and Health Systems, Drexel University, Philadelphia, PA 19104, USA
| | - Danielle E. Soranno
- Division of Nephrology, Department of Pediatrics, Indiana University School of Medicine, Indianapolis, IN 46202, USA
- Department of Bioengineering, Purdue University, West Lafayette, IN 47907, USA
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19
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Erdi M, Sandler A, Kofinas P. Polymer nanomaterials for use as adjuvant surgical tools. WILEY INTERDISCIPLINARY REVIEWS. NANOMEDICINE AND NANOBIOTECHNOLOGY 2023; 15:e1889. [PMID: 37044114 PMCID: PMC10524211 DOI: 10.1002/wnan.1889] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/30/2022] [Revised: 03/03/2023] [Accepted: 03/17/2023] [Indexed: 04/14/2023]
Abstract
Materials employed in the treatment of conditions encountered in surgical and clinical practice frequently face barriers in translation to application. Shortcomings can be generalized through their reduced mechanical stability, difficulty in handling, and inability to conform or adhere to complex tissue surfaces. To overcome an amalgam of challenges, research has sought the utilization of polymer-derived nanomaterials deposited in various fashions and formulations to improve the application and outcomes of surgical and clinical interventions. Clinically prevalent applications include topical wound dressings, tissue adhesives, surgical sealants, hemostats, and adhesion barriers, all of which have displayed the potential to act as superior alternatives to current materials used in surgical procedures. In this review, emphasis will be placed not only on applications, but also on various design strategies employed in fabrication. This review is designed to provide a broad and thought-provoking understanding of nanomaterials as adjuvant tools for the assisted treatment of pathologies prevalent in surgery. This article is categorized under: Implantable Materials and Surgical Technologies > Nanomaterials and Implants Implantable Materials and Surgical Technologies > Nanoscale Tools and Techniques in Surgery.
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Affiliation(s)
- Metecan Erdi
- Department of Chemical and Biomolecular Engineering, University of Maryland, College Park, Maryland, USA
| | - Anthony Sandler
- Sheikh Zayed Institute for Pediatric Surgical Innovation, Joseph E. Robert Jr. Center for Surgical Care, Children's National Medical Center, Washington, DC, USA
| | - Peter Kofinas
- Department of Chemical and Biomolecular Engineering, University of Maryland, College Park, Maryland, USA
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20
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Wancura M, Nkansah A, Chwatko M, Robinson A, Fairley A, Cosgriff-Hernandez E. Interpenetrating network design of bioactive hydrogel coatings with enhanced damage resistance. J Mater Chem B 2023; 11:5416-5428. [PMID: 36825927 PMCID: PMC10682960 DOI: 10.1039/d2tb02825e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2022] [Accepted: 02/20/2023] [Indexed: 02/22/2023]
Abstract
Bioactive hydrogel coatings offer a promising route to introduce sustained thromboresistance to cardiovascular devices without compromising bulk mechanical properties. Poly(ethylene glycol)-based hydrogels provide antifouling properties to limit acute thromobosis and incorporation of adhesive ligands can be used to promote endothelialization. However, conventional PEG-based hydrogels at stiffnesses that promote cell attachment can be brittle and prone to damage in a surgical setting, limiting their utility in clinical applications. In this work, we developed a durable hydrogel coating using interpenetrating networks of polyether urethane diacrylamide (PEUDAm) and poly(N-acryloyl glycinamide) (pNAGA). First, diffusion-mediated redox initiation of PEUDAm was used to coat electrospun polyurethane fiber meshes with coating thickness controlled by the immersion time. The second network of pNAGA was then introduced to enhance damage resistance of the hydrogel coating. The durability, thromboresistance, and bioactivity of the resulting multilayer grafts were then assessed. The IPN hydrogel coatings displayed resistance to surgically-associated damage mechanisms and retained the anti-fouling nature of PEG-based hydrogels as indicated by reduced protein adsorption and platelet attachment. Moreover, incorporation of functionalized collagen into the IPN hydrogel coating conferred bioactivity that supported endothelial cell adhesion. Overall, this conformable and durable hydrogel coating provides an improved approach for cardiovascular device fabrication with targeted biological activity.
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Affiliation(s)
- Megan Wancura
- Department of Chemistry, The University of Texas at Austin, Austin, TX 78712, USA
| | - Abbey Nkansah
- Department of Biomedical Engineering, The University of Texas at Austin, Austin, TX 78712, USA.
| | - Malgorzata Chwatko
- Department of Biomedical Engineering, The University of Texas at Austin, Austin, TX 78712, USA.
| | - Andrew Robinson
- Department of Biomedical Engineering, The University of Texas at Austin, Austin, TX 78712, USA.
| | - Ashauntee Fairley
- Department of Biomedical Engineering, The University of Texas at Austin, Austin, TX 78712, USA.
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21
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Rivera KO, Cuylear DL, Duke VR, O’Hara KM, Zhong JX, Elghazali NA, Finbloom JA, Kharbikar BN, Kryger AN, Miclau T, Marcucio RS, Bahney CS, Desai TA. Encapsulation of β-NGF in injectable microrods for localized delivery accelerates endochondral fracture repair. Front Bioeng Biotechnol 2023; 11:1190371. [PMID: 37284244 PMCID: PMC10241161 DOI: 10.3389/fbioe.2023.1190371] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2023] [Accepted: 05/02/2023] [Indexed: 06/08/2023] Open
Abstract
Introduction: Currently, there are no non-surgical FDA-approved biological approaches to accelerate fracture repair. Injectable therapies designed to stimulate bone healing represent an exciting alternative to surgically implanted biologics, however, the translation of effective osteoinductive therapies remains challenging due to the need for safe and effective drug delivery. Hydrogel-based microparticle platforms may be a clinically relevant solution to create controlled and localized drug delivery to treat bone fractures. Here, we describe poly (ethylene glycol) dimethacrylate (PEGDMA)-based microparticles, in the shape of microrods, loaded with beta nerve growth factor (β-NGF) for the purpose of promoting fracture repair. Methods: Herein, PEGDMA microrods were fabricated through photolithography. PEGDMA microrods were loaded with β-NGF and in vitro release was examined. Subsequently, bioactivity assays were evaluated in vitro using the TF-1 tyrosine receptor kinase A (Trk-A) expressing cell line. Finally, in vivo studies using our well-established murine tibia fracture model were performed and a single injection of the β-NGF loaded PEGDMA microrods, non-loaded PEGDMA microrods, or soluble β-NGF was administered to assess the extent of fracture healing using Micro-computed tomography (µCT) and histomorphometry. Results: In vitro release studies showed there is significant retention of protein within the polymer matrix over 168 hours through physiochemical interactions. Bioactivity of protein post-loading was confirmed with the TF-1 cell line. In vivo studies using our murine tibia fracture model show that PEGDMA microrods injected at the site of fracture remained adjacent to the callus for over 7 days. Importantly, a single injection of β-NGF loaded PEGDMA microrods resulted in improved fracture healing as indicated by a significant increase in the percent bone in the fracture callus, trabecular connective density, and bone mineral density relative to soluble β-NGF control indicating improved drug retention within the tissue. The concomitant decrease in cartilage fraction supports our prior work showing that β-NGF promotes endochondral conversion of cartilage to bone to accelerate healing. Discussion: We demonstrate a novel and translational method wherein β-NGF can be encapsulated within PEGDMA microrods for local delivery and that β-NGF bioactivity is maintained resulting in improved bone fracture repair.
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Affiliation(s)
- Kevin O. Rivera
- Graduate Program in Oral and Craniofacial Sciences, School of Dentistry, University of California, San Francisco (UCSF), San Francisco, CA, United States
- Department of Orthopaedic Surgery, Orthopaedic Trauma Institute, University of California, San Francisco (UCSF), San Francisco, CA, United States
- Department of Bioengineering and Therapeutic Sciences, University of California, San Francisco (UCSF), San Francisco, CA, United States
| | - Darnell L. Cuylear
- Graduate Program in Oral and Craniofacial Sciences, School of Dentistry, University of California, San Francisco (UCSF), San Francisco, CA, United States
- Department of Bioengineering and Therapeutic Sciences, University of California, San Francisco (UCSF), San Francisco, CA, United States
| | - Victoria R. Duke
- Center for Regenerative and Personalized Medicine, The Steadman Philippon Research Institute (SPRI), Vail, CO, United States
| | - Kelsey M. O’Hara
- Center for Regenerative and Personalized Medicine, The Steadman Philippon Research Institute (SPRI), Vail, CO, United States
| | - Justin X. Zhong
- Department of Bioengineering and Therapeutic Sciences, University of California, San Francisco (UCSF), San Francisco, CA, United States
- UC Berkeley—UCSF Graduate Program in Bioengineering, San Francisco, CA, United States
| | - Nafisa A. Elghazali
- Department of Bioengineering and Therapeutic Sciences, University of California, San Francisco (UCSF), San Francisco, CA, United States
- UC Berkeley—UCSF Graduate Program in Bioengineering, San Francisco, CA, United States
| | - Joel A. Finbloom
- Department of Bioengineering and Therapeutic Sciences, University of California, San Francisco (UCSF), San Francisco, CA, United States
| | - Bhushan N. Kharbikar
- Department of Bioengineering and Therapeutic Sciences, University of California, San Francisco (UCSF), San Francisco, CA, United States
| | - Alex N. Kryger
- School of Dentistry, University of California, San Francisco (UCSF), San Francisco, CA, United States
| | - Theodore Miclau
- Department of Orthopaedic Surgery, Orthopaedic Trauma Institute, University of California, San Francisco (UCSF), San Francisco, CA, United States
| | - Ralph S. Marcucio
- Department of Orthopaedic Surgery, Orthopaedic Trauma Institute, University of California, San Francisco (UCSF), San Francisco, CA, United States
| | - Chelsea S. Bahney
- Graduate Program in Oral and Craniofacial Sciences, School of Dentistry, University of California, San Francisco (UCSF), San Francisco, CA, United States
- Department of Orthopaedic Surgery, Orthopaedic Trauma Institute, University of California, San Francisco (UCSF), San Francisco, CA, United States
- Center for Regenerative and Personalized Medicine, The Steadman Philippon Research Institute (SPRI), Vail, CO, United States
- UC Berkeley—UCSF Graduate Program in Bioengineering, San Francisco, CA, United States
| | - Tejal A. Desai
- Graduate Program in Oral and Craniofacial Sciences, School of Dentistry, University of California, San Francisco (UCSF), San Francisco, CA, United States
- Department of Bioengineering and Therapeutic Sciences, University of California, San Francisco (UCSF), San Francisco, CA, United States
- Department of Bioengineering, University of California, Berkeley (UC Berkeley), Berkeley, CA, United States
- School of Engineering, Brown University, Providence, RI, United States
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22
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Lee MA, Jin X, Muthupalani S, Bakh NA, Gong X, Strano MS. In-Vivo fluorescent nanosensor implants based on hydrogel-encapsulation: investigating the inflammation and the foreign-body response. J Nanobiotechnology 2023; 21:133. [PMID: 37095500 PMCID: PMC10123989 DOI: 10.1186/s12951-023-01873-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2023] [Accepted: 03/24/2023] [Indexed: 04/26/2023] Open
Abstract
Nanotechnology-enabled sensors or nanosensors are emerging as promising new tools for various in-vivo life science applications such as biosensing, components of delivery systems, and probes for spatial bioimaging. However, as with a wide range of synthetic biomaterials, tissue responses have been observed depending on cell types and various nanocomponent properties. The tissue response is critical for determining the acute and long term health of the organism and the functional lifetime of the material in-vivo. While nanomaterial properties can contribute significantly to the tissue response, it may be possible to circumvent adverse reactions by formulation of the encapsulation vehicle. In this study, five formulations of poly (ethylene glycol) diacrylate (PEGDA) hydrogel-encapsulated fluorescent nanosensors were implanted into SKH-1E mice, and the inflammatory responses were tracked in order to determine the favorable design rules for hydrogel encapsulation and minimization of such responses. Hydrogels with higher crosslinking density were found to allow faster resolution of acute inflammation. Five different immunocompromised mice lines were utilized for comparison across different inflammatory cell populations and responses. Degradation products of the gels were also characterized. Finally, the importance of the tissue response in determining functional lifetime was demonstrated by measuring the time-dependent nanosensor deactivation following implantation into animal models.
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Affiliation(s)
- Michael A Lee
- Department of Chemical Engineering, Massachusetts Institute of Technology, Cambridge, MA, 02139, USA
| | - Xiaojia Jin
- Department of Chemical Engineering, Massachusetts Institute of Technology, Cambridge, MA, 02139, USA
| | - Sureshkumar Muthupalani
- Division of Comparative Medicine, Massachusetts Institute of Technology, Cambridge, MA, 02139, USA
| | - Naveed A Bakh
- Department of Chemical Engineering, Massachusetts Institute of Technology, Cambridge, MA, 02139, USA
| | - Xun Gong
- Department of Chemical Engineering, Massachusetts Institute of Technology, Cambridge, MA, 02139, USA
| | - Michael S Strano
- Department of Chemical Engineering, Massachusetts Institute of Technology, Cambridge, MA, 02139, USA.
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23
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Williams TJ, Jeevarathinam AS, Jivan F, Baldock V, Kim P, McShane MJ, Alge DL. Glucose biosensors based on Michael addition crosslinked poly(ethylene glycol) hydrogels with chemo-optical sensing microdomains. J Mater Chem B 2023; 11:1749-1759. [PMID: 36723375 DOI: 10.1039/d2tb02339c] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
Continuous glucose monitoring (CGM) devices have the potential to lead to better disease management and improved outcomes in patients with diabetes. Chemo-optical glucose sensors offer a promising, accurate, long-term alternative to the current CGMs that require frequent calibration and replacement. Recently, we have proposed glucose sensor designs using phosphorescence lifetime-based measurement of chemo-optical glucose sensing microdomains embedded within alginate hydrogels. Due to the poor long-term stability of calcium-crosslinked alginate, we propose poly(ethylene glycol) (PEG) hydrogels synthesized via thiol-Michael addition chemistry as an alternative hydrogel carrier. The objective of this study was to evaluate the suitability of Michael addition crosslinked PEG hydrogels compared to calcium crosslinked alginate hydrogels for encapsulating glucose-sensing microdomains. PEG hydrogels crosslinked via thiol-vinyl sulfone addition achieved gelation in under 5 minutes, resulting in an even distribution of sensing microdomains. The shear storage modulus of the PEG hydrogels was tunable from 2.2 ± 0.1 kPa to 9.5 ± 1.8 kPa, which was comparable to the alginate hydrogels (10.5 ± 0.8 kPa), and the inclusion of microdomains did not significantly impact stiffness. The high water content of PEG hydrogels resulted in high glucose permeability that closely corresponded to the glucose permeability of alginate (D = 0.09 and 0.12 cm2 s-1, respectively; p = 0.47), but the PEG hydrogels exhibited superior stability. Both PEG and alginate-embedded sensors exhibited a sensing range up to ∼200 mg dL-1 glucose. The lower limits of detection (LOD) for PEG and alginate-based glucose sensors were 19.8 and 20.6 mg dL-1 with a difference of just 4.2% variation. The small difference between PEG and alginate embedded sensors indicates that their sensing properties are primarily determined by the glucose sensing microdomains rather than the hydrogel matrix. Overall, the results of this study indicate that Michael addition-crosslinked PEG hydrogels are a promising platform for encapsulation of chemo-optical glucose sensing microdomains.
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Affiliation(s)
- Tyrell J Williams
- Department of Biomedical Engineering, Texas A&M University, College Station, Texas, USA.
| | | | - Faraz Jivan
- Department of Biomedical Engineering, Texas A&M University, College Station, Texas, USA.
| | - Victoria Baldock
- Department of Biomedical Engineering, Texas A&M University, College Station, Texas, USA.
| | - Paul Kim
- Department of Biomedical Engineering, Texas A&M University, College Station, Texas, USA.
| | - Michael J McShane
- Department of Biomedical Engineering, Texas A&M University, College Station, Texas, USA. .,Department of Materials Science and Engineering, Texas A&M University, College Station, Texas, USA
| | - Daniel L Alge
- Department of Biomedical Engineering, Texas A&M University, College Station, Texas, USA. .,Department of Materials Science and Engineering, Texas A&M University, College Station, Texas, USA
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24
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Marmo AC, Grunlan MA. Biomedical Silicones: Leveraging Additive Strategies to Propel Modern Utility. ACS Macro Lett 2023; 12:172-182. [PMID: 36669481 PMCID: PMC10848296 DOI: 10.1021/acsmacrolett.2c00701] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2022] [Accepted: 01/18/2023] [Indexed: 01/21/2023]
Abstract
Silicones have a long history of use in biomedical devices, with unique properties stemming from the siloxane (Si-O-Si) backbone that feature a high degree of flexibility and chemical stability. However, surface, rheological, mechanical, and electrical properties of silicones can limit their utility. Successful modification of silicones to address these limitations could lead to superior and new biomedical devices. Toward improving such properties, recent additive strategies have been leveraged to modify biomedical silicones and are highlighted herein.
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Affiliation(s)
- Alec C. Marmo
- Department
of Materials Science and Engineering Texas
A&M University, College
Station, Texas 77843-3003, United States
| | - Melissa A. Grunlan
- Department
of Biomedical Engineering, Department of Materials Science and Engineering,
Department of Chemistry Texas A&M University, College Station, Texas 77843-3003, United
States
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25
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Schoberleitner I, Faserl K, Sarg B, Egle D, Brunner C, Wolfram D. Quantitative Proteomic Characterization of Foreign Body Response towards Silicone Breast Implants Identifies Chronological Disease-Relevant Biomarker Dynamics. Biomolecules 2023; 13:biom13020305. [PMID: 36830674 PMCID: PMC9953687 DOI: 10.3390/biom13020305] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2022] [Revised: 01/25/2023] [Accepted: 01/30/2023] [Indexed: 02/10/2023] Open
Abstract
The etiology of exaggerated fibrous capsule formation around silicone mammary implants (SMI) is multifactorial but primarily induced by immune mechanisms towards the foreign material silicone. The aim of this work was to understand the disease progression from implant insertion and immediate tissue damage response reflected in (a) the acute wound proteome and (b) the adsorption of chronic inflammatory wound proteins at implant surfaces. An intraindividual relative quantitation TMT-liquid chromatography-tandem mass spectrometry approach was applied to the profile wound proteome formed around SMI in the first five days post-implantation. Compared to plasma, the acute wound profile resembled a more complex composition comprising plasma-derived and locally differentially expressed proteins (DEPs). DEPs were subjected to a functional enrichment analysis, which revealed the dysregulation of signaling pathways mainly involved in immediate inflammation response and ECM turnover. Moreover, we found time-course variations in protein enrichment immediately post-implantation, which were adsorbed to SMI surfaces after 6-8 months. Characterization of the expander-adhesive proteome by a label-free approach uncovered a long-term adsorbed acute wound and the fibrosis-associated proteome. Our findings propose a wound biomarker panel for the early detection and diagnosis of excessive fibrosis that could potentially broaden insights into the characteristics of fibrotic implant encapsulation.
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Affiliation(s)
- Ines Schoberleitner
- Department of Plastic, Reconstructive and Aesthetic Surgery, Medical University of Innsbruck, Anichstraße 35, A-6020 Innsbruck, Austria
| | - Klaus Faserl
- Protein Core Facility, Biocenter, Institute of Medical Chemistry, Medical University of Innsbruck, Innrain 80-82, A-6020 Innsbruck, Austria
| | - Bettina Sarg
- Protein Core Facility, Biocenter, Institute of Medical Chemistry, Medical University of Innsbruck, Innrain 80-82, A-6020 Innsbruck, Austria
| | - Daniel Egle
- Department of Obstetrics and Gynecology, Medical University of Innsbruck, Anichstraße 35, A-6020 Innsbruck, Austria
| | - Christine Brunner
- Department of Obstetrics and Gynecology, Medical University of Innsbruck, Anichstraße 35, A-6020 Innsbruck, Austria
| | - Dolores Wolfram
- Department of Plastic, Reconstructive and Aesthetic Surgery, Medical University of Innsbruck, Anichstraße 35, A-6020 Innsbruck, Austria
- Correspondence: ; Tel.: +43-512-504-82050
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26
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Bian N, Chu C, Rung S, Huangphattarakul V, Man Y, Lin J, Hu C. Immunomodulatory Biomaterials and Emerging Analytical Techniques for Probing the Immune Micro-Environment. Tissue Eng Regen Med 2023; 20:11-24. [PMID: 36241939 PMCID: PMC9852373 DOI: 10.1007/s13770-022-00491-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2022] [Revised: 08/31/2022] [Accepted: 09/05/2022] [Indexed: 02/01/2023] Open
Abstract
After implantation of a biomaterial, both the host immune system and properties of the material determine the local immune response. Through triggering or modulating the local immune response, materials can be designed towards a desired direction of promoting tissue repair or regeneration. High-throughput sequencing technologies such as single-cell RNA sequencing (scRNA-seq) emerging as a powerful tool for dissecting the immune micro-environment around biomaterials, have not been fully utilized in the field of soft tissue regeneration. In this review, we first discussed the procedures of foreign body reaction in brief. Then, we summarized the influences that physical and chemical modulation of biomaterials have on cell behaviors in the micro-environment. Finally, we discussed the application of scRNA-seq in probing the scaffold immune micro-environment and provided some reference to designing immunomodulatory biomaterials. The foreign body response consists of a series of biological reactions. Immunomodulatory materials regulate immune cell activation and polarization, mediate divergent local immune micro-environments and possess different tissue engineering functions. The manipulation of physical and chemical properties of scaffolds can modulate local immune responses, resulting in different outcomes of fibrosis or tissue regeneration. With the advancement of technology, emerging techniques such as scRNA-seq provide an unprecedented understanding of immune cell heterogeneity and plasticity in a scaffold-induced immune micro-environment at high resolution. The in-depth understanding of the interaction between scaffolds and the host immune system helps to provide clues for the design of biomaterials to optimize regeneration and promote a pro-regenerative local immune micro-environment.
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Affiliation(s)
- Nanyan Bian
- State Key Laboratory of Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, Sichuan, China
| | - Chenyu Chu
- State Key Laboratory of Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, Sichuan, China
- Department of Oral Implantology, West China Hospital of Stomatology, Sichuan University, 14#, 3rd section, Renmin South Road, Chengdu, 610041, Sichuan, China
| | - Shengan Rung
- State Key Laboratory of Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, Sichuan, China
- Department of Oral Implantology, West China Hospital of Stomatology, Sichuan University, 14#, 3rd section, Renmin South Road, Chengdu, 610041, Sichuan, China
| | - Vicha Huangphattarakul
- State Key Laboratory of Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, Sichuan, China
- Department of Oral Implantology, West China Hospital of Stomatology, Sichuan University, 14#, 3rd section, Renmin South Road, Chengdu, 610041, Sichuan, China
| | - Yi Man
- State Key Laboratory of Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, Sichuan, China
- Department of Oral Implantology, West China Hospital of Stomatology, Sichuan University, 14#, 3rd section, Renmin South Road, Chengdu, 610041, Sichuan, China
| | - Jie Lin
- Department of Oral Implantology, West China Hospital of Stomatology, Sichuan University, 14#, 3rd section, Renmin South Road, Chengdu, 610041, Sichuan, China.
| | - Chen Hu
- State Key Laboratory of Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, Sichuan, China.
- Department of Oral Implantology, West China Hospital of Stomatology, Sichuan University, 14#, 3rd section, Renmin South Road, Chengdu, 610041, Sichuan, China.
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27
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Yang M, Chen P, Qu X, Zhang F, Ning S, Ma L, Yang K, Su Y, Zang J, Jiang W, Yu T, Dong X, Luo Z. Robust Neural Interfaces with Photopatternable, Bioadhesive, and Highly Conductive Hydrogels for Stable Chronic Neuromodulation. ACS NANO 2023; 17:885-895. [PMID: 36629747 DOI: 10.1021/acsnano.2c04606] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/17/2023]
Abstract
A robust neural interface with intimate electrical coupling between neural electrodes and neural tissues is critical for stable chronic neuromodulation. The development of bioadhesive hydrogel neural electrodes is a potential approach for tightly fixing the neural electrodes on the epineurium surface to construct a robust neural interface. Herein, we construct a photopatternable, antifouling, conductive (∼6 S cm-1), bioadhesive (interfacial toughness ∼100 J m-2), soft, and elastic (∼290% strain, Young's modulus of 7.25 kPa) hydrogel to establish a robust neural interface for bioelectronics. The UV-sensitive zwitterionic monomer can facilitate the formation of an electrostatic-assembled conductive polymer PEDOT:PSS network, and it can be further photo-cross-linked into elastic polymer network. Such a semi-interpenetrating network endows the hydrogel electrodes with good conductivity. Especially, the photopatternable feature enables the facile microfabrication processes of multifunctional hydrogel (MH) interface with a characteristic size of 50 μm. The MH neural electrodes, which show improved performance of impedance, charge storage capacity, and charge injection capability, can produce effective electrical stimulation with high current density (1 mA cm-2) at ultralow voltages (±25 mV). The MH interface could realize high-efficient electrical communication at the chronic neural interface for stable recording and stimulation of a sciatic nerve in the rat model.
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Affiliation(s)
- Ming Yang
- National Engineering Research Center for Nanomedicine, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan430074, China
| | - Ping Chen
- National Engineering Research Center for Nanomedicine, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan430074, China
| | - Xinyu Qu
- Key Laboratory of Flexible Electronics (KLOFE) and Institute of Advanced Materials (IAM), Nanjing Tech University (NanjingTech), Nanjing211816, China
| | - Fuchi Zhang
- Department of Neurosurgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan430030, China
| | - Shan Ning
- School of Optical and Electronic Information and Wuhan National Laboratory for Optoelectronics, Huazhong University of Science and Technology, Wuhan430074, China
| | - Li Ma
- School of Physics and Technology, Wuhan University, Wuhan430072, China
| | - Kun Yang
- National Engineering Research Center for Nanomedicine, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan430074, China
| | - Yuming Su
- National Engineering Research Center for Nanomedicine, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan430074, China
| | - Jianfeng Zang
- School of Optical and Electronic Information and Wuhan National Laboratory for Optoelectronics, Huazhong University of Science and Technology, Wuhan430074, China
| | - Wei Jiang
- Department of Neurosurgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan430030, China
| | - Ting Yu
- School of Physics and Technology, Wuhan University, Wuhan430072, China
| | - Xiaochen Dong
- Key Laboratory of Flexible Electronics (KLOFE) and Institute of Advanced Materials (IAM), Nanjing Tech University (NanjingTech), Nanjing211816, China
- School of Chemistry and Materials Science, Jiangsu Normal University, Xuzhou221116, China
| | - Zhiqiang Luo
- National Engineering Research Center for Nanomedicine, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan430074, China
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28
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Zhang X, Shi L, Xiao W, Wang Z, Wang S. Design of Adhesive Hemostatic Hydrogels Guided by the Interfacial Interactions with Tissue Surface. ADVANCED NANOBIOMED RESEARCH 2022. [DOI: 10.1002/anbr.202200115] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
Affiliation(s)
- Xiaobin Zhang
- Key Laboratory of Bio-inspired Materials and Interface Science Technical Institute of Physics and Chemistry Chinese Academy of Sciences Beijing 100190 P.R. China
- University of Chinese Academy of Sciences Beijing 100049 P.R. China
| | - Lianxin Shi
- Key Laboratory of Bio-inspired Materials and Interface Science Technical Institute of Physics and Chemistry Chinese Academy of Sciences Beijing 100190 P.R. China
- Binzhou Institute of Technology Binzhou 256600 P.R. China
| | - Wuyi Xiao
- Key Laboratory of Bio-inspired Materials and Interface Science Technical Institute of Physics and Chemistry Chinese Academy of Sciences Beijing 100190 P.R. China
- University of Chinese Academy of Sciences Beijing 100049 P.R. China
| | - Zhao Wang
- Key Laboratory of Bio-inspired Materials and Interface Science Technical Institute of Physics and Chemistry Chinese Academy of Sciences Beijing 100190 P.R. China
| | - Shutao Wang
- Key Laboratory of Bio-inspired Materials and Interface Science Technical Institute of Physics and Chemistry Chinese Academy of Sciences Beijing 100190 P.R. China
- University of Chinese Academy of Sciences Beijing 100049 P.R. China
- Qingdao Casfuture Research Institute Co. Ltd Qingdao 266109 P.R. China
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29
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Mediate neurite outgrowth of PC-12 cells using polypyrrole-assisted laser-induced graphene flexible composite electrodes combined with electrical stimulation. Eur Polym J 2022. [DOI: 10.1016/j.eurpolymj.2022.111634] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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30
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Wang S, Chen Y, Ling Z, Li J, Hu J, He F, Chen Q. The role of dendritic cells in the immunomodulation to implanted biomaterials. Int J Oral Sci 2022; 14:52. [PMCID: PMC9636170 DOI: 10.1038/s41368-022-00203-2] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2022] [Revised: 09/26/2022] [Accepted: 09/29/2022] [Indexed: 11/06/2022] Open
Abstract
Considering the substantial role played by dendritic cells (DCs) in the immune system to bridge innate and adaptive immunity, studies on DC-mediated immunity toward biomaterials principally center on their adjuvant effects in facilitating the adaptive immunity of codelivered antigens. However, the effect of the intrinsic properties of biomaterials on dendritic cells has not been clarified. Recently, researchers have begun to investigate and found that biomaterials that are nonadjuvant could also regulate the immune function of DCs and thus affect subsequent tissue regeneration. In the case of proteins adsorbed onto biomaterial surfaces, their intrinsic properties can direct their orientation and conformation, forming “biomaterial-associated molecular patterns (BAMPs)”. Thus, in this review, we focused on the intrinsic physiochemical properties of biomaterials in the absence of antigens that affect DC immune function and summarized the underlying signaling pathways. Moreover, we preliminarily clarified the specific composition of BAMPs and the interplay between some key molecules and DCs, such as heat shock proteins (HSPs) and high mobility group box 1 (HMGB1). This review provides a new direction for future biomaterial design, through which modulation of host immune responses is applicable to tissue engineering and immunotherapy.
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Affiliation(s)
- Siyuan Wang
- grid.13402.340000 0004 1759 700XStomatology Hospital, School of Stomatology, Zhejiang University School of Medicine, Clinical Research Center for Oral Disease of Zhejiang Province, Key Laboratory of Oral Biomedical Research of Zhejiang Province, Cancer Center of Zhejiang University, Hangzhou, 310006 China
| | - Yanqi Chen
- grid.13402.340000 0004 1759 700XStomatology Hospital, School of Stomatology, Zhejiang University School of Medicine, Clinical Research Center for Oral Disease of Zhejiang Province, Key Laboratory of Oral Biomedical Research of Zhejiang Province, Cancer Center of Zhejiang University, Hangzhou, 310006 China
| | - Zhaoting Ling
- grid.13402.340000 0004 1759 700XStomatology Hospital, School of Stomatology, Zhejiang University School of Medicine, Clinical Research Center for Oral Disease of Zhejiang Province, Key Laboratory of Oral Biomedical Research of Zhejiang Province, Cancer Center of Zhejiang University, Hangzhou, 310006 China
| | - Jia Li
- grid.13402.340000 0004 1759 700XStomatology Hospital, School of Stomatology, Zhejiang University School of Medicine, Clinical Research Center for Oral Disease of Zhejiang Province, Key Laboratory of Oral Biomedical Research of Zhejiang Province, Cancer Center of Zhejiang University, Hangzhou, 310006 China
| | - Jun Hu
- grid.13402.340000 0004 1759 700XStomatology Hospital, School of Stomatology, Zhejiang University School of Medicine, Clinical Research Center for Oral Disease of Zhejiang Province, Key Laboratory of Oral Biomedical Research of Zhejiang Province, Cancer Center of Zhejiang University, Hangzhou, 310006 China
| | - Fuming He
- grid.13402.340000 0004 1759 700XStomatology Hospital, School of Stomatology, Zhejiang University School of Medicine, Clinical Research Center for Oral Disease of Zhejiang Province, Key Laboratory of Oral Biomedical Research of Zhejiang Province, Cancer Center of Zhejiang University, Hangzhou, 310006 China
| | - Qianming Chen
- grid.13402.340000 0004 1759 700XStomatology Hospital, School of Stomatology, Zhejiang University School of Medicine, Clinical Research Center for Oral Disease of Zhejiang Province, Key Laboratory of Oral Biomedical Research of Zhejiang Province, Cancer Center of Zhejiang University, Hangzhou, 310006 China
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31
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Coron A, Fonseca DM, Sharma A, Slupphaug G, Strand BL, Rokstad AMA. MS-proteomics provides insight into the host responses towards alginate microspheres. Mater Today Bio 2022; 17:100490. [DOI: 10.1016/j.mtbio.2022.100490] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2022] [Revised: 11/08/2022] [Accepted: 11/09/2022] [Indexed: 11/13/2022] Open
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32
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Speidel AT, Chivers PRA, Wood CS, Roberts DA, Correia IP, Caravaca AS, Chan YKV, Hansel CS, Heimgärtner J, Müller E, Ziesmer J, Sotiriou GA, Olofsson PS, Stevens MM. Tailored Biocompatible Polyurethane-Poly(ethylene glycol) Hydrogels as a Versatile Nonfouling Biomaterial. Adv Healthc Mater 2022; 11:e2201378. [PMID: 35981326 PMCID: PMC7615486 DOI: 10.1002/adhm.202201378] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2022] [Revised: 07/28/2022] [Indexed: 01/28/2023]
Abstract
Polyurethane-based hydrogels are relatively inexpensive and mechanically robust biomaterials with ideal properties for various applications, including drug delivery, prosthetics, implant coatings, soft robotics, and tissue engineering. In this report, a simple method is presented for synthesizing and casting biocompatible polyurethane-poly(ethylene glycol) (PU-PEG) hydrogels with tunable mechanical properties, nonfouling characteristics, and sustained tolerability as an implantable material or coating. The hydrogels are synthesized via a simple one-pot method using commercially available precursors and low toxicity solvents and reagents, yielding a consistent and biocompatible gel platform primed for long-term biomaterial applications. The mechanical and physical properties of the gels are easily controlled by varying the curing concentration, producing networks with complex shear moduli of 0.82-190 kPa, similar to a range of human soft tissues. When evaluated against a mechanically matched poly(dimethylsiloxane) (PDMS) formulation, the PU-PEG hydrogels demonstrated favorable nonfouling characteristics, including comparable adsorption of plasma proteins (albumin and fibrinogen) and significantly reduced cellular adhesion. Moreover, preliminary murine implant studies reveal a mild foreign body response after 41 days. Due to the tunable mechanical properties, excellent biocompatibility, and sustained in vivo tolerability of these hydrogels, it is proposed that this method offers a simplified platform for fabricating soft PU-based biomaterials for a variety of applications.
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Affiliation(s)
- Alessondra T Speidel
- Department of Medical Biochemistry and Biophysics, Karolinska Institutet, Stockholm, 171 77, Sweden
| | - Phillip R A Chivers
- Department of Medical Biochemistry and Biophysics, Karolinska Institutet, Stockholm, 171 77, Sweden
| | - Christopher S Wood
- Department of Medical Biochemistry and Biophysics, Karolinska Institutet, Stockholm, 171 77, Sweden
| | - Derrick A Roberts
- Key Centre for Polymers and Colloids, School of Chemistry, The University of Sydney, Sydney, NSW, 2006, Australia
| | - Inês P Correia
- Department of Medical Biochemistry and Biophysics, Karolinska Institutet, Stockholm, 171 77, Sweden
| | - April S Caravaca
- Laboratory of Immunobiology, Stockholm Center for Bioelectronic Medicine, Department of Medicine, Solna, Karolinska Institutet, Stockholm, 171 77, Sweden
| | - Yu Kiu Victor Chan
- Department of Medical Biochemistry and Biophysics, Karolinska Institutet, Stockholm, 171 77, Sweden
| | - Catherine S Hansel
- Science for Life Laboratory, Department of Medical Biochemistry and Biophysics, Karolinska Institutet, Stockholm, 171 77, Sweden
| | - Johannes Heimgärtner
- Science for Life Laboratory, Department of Medical Biochemistry and Biophysics, Karolinska Institutet, Stockholm, 171 77, Sweden
| | - Eliane Müller
- Department of Medical Biochemistry and Biophysics, Karolinska Institutet, Stockholm, 171 77, Sweden
| | - Jill Ziesmer
- Department of Microbiology, Tumor and Cell Biology, Karolinska Institutet, Stockholm, 171 77, Sweden
| | - Georgios A Sotiriou
- Department of Microbiology, Tumor and Cell Biology, Karolinska Institutet, Stockholm, 171 77, Sweden
| | - Peder S Olofsson
- Laboratory of Immunobiology, Stockholm Center for Bioelectronic Medicine, Department of Medicine, Solna, Karolinska Institutet, Stockholm, 171 77, Sweden
- Center for Biomedical Science and Bioelectronic Medicine, The Feinstein Institute for Medical Research, Manhasset, NY, 11030, USA
| | - Molly M Stevens
- Department of Medical Biochemistry and Biophysics, Karolinska Institutet, Stockholm, 171 77, Sweden
- Department of Materials, Department of Bioengineering, and Institute for Biomedical Engineering, Imperial College London, London, SW7 2AZ, UK
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33
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Day NB, Dalhuisen R, Loomis NE, Adzema SG, Prakash J, Shields Iv CW. Tissue-adhesive hydrogel for multimodal drug release to immune cells in skin. Acta Biomater 2022; 150:211-220. [PMID: 35921992 DOI: 10.1016/j.actbio.2022.07.053] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2022] [Revised: 07/21/2022] [Accepted: 07/27/2022] [Indexed: 11/01/2022]
Abstract
Both innate and adaptive immune systems play a crucial role in the pathology of skin diseases. To control these cells, there is a need for transdermal drug delivery systems that can target multiple cell populations at independently tunable rates. Herein, we describe a tissue-adhesive hydrogel system that contains particles capable of regulating the release of small molecule drugs at defined rates. Resiquimod (a macrophage-targeting drug) and palbociclib (a T cell-targeting drug) are encapsulated within two types of silicone particles embedded within the hydrogel. We demonstrate that drug release is mediated by the crosslink density of the particles, which is decoupled from the bulk properties of the hydrogel. We show that this system can be used to sustainably polarize macrophages toward an anti-tumor phenotype in vitro and ex vivo, and that the hydrogels can remain attached to skin explants for several days without generating toxicity. The hydrogel system is compatible with standard dermatological procedures and allows transdermal passage of drugs. The multimodal, tunable nature of this system has implications in treating a variety of skin disorders, managing infections, and delivering vaccines. STATEMENT OF SIGNIFICANCE: We describe a tissue-adhesive hydrogel that can regulate the release of drugs in a manner that is decoupled from its bulk properties. The mechanism of drug release is mediated by embedded microparticles with well-defined crosslink densities. The significance of this system is that, by encapsulating different drugs into the particles, it is possible to achieve multimodal drug release. We demonstrate this capability by releasing two immunomodulatory drugs at disparate rates. A drug that targets innate immune cells is released quickly, and a drug that targets adaptive immune cells is released slowly. This programmable system offers a direct means by which cellular responses can be enhanced through independent targeting for a variety of transdermal applications, including cancer treatment and vaccine delivery.
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Affiliation(s)
- Nicole B Day
- Department of Chemical and Biological Engineering, University of Colorado Boulder, Boulder CO 80303, United States
| | - Rianne Dalhuisen
- Department of Chemical and Biological Engineering, University of Colorado Boulder, Boulder CO 80303, United States; Department of Advanced Organ Bioengineering and Therapeutics, Section: Engineered Therapeutics, University of Twente, Enschede, the Netherlands
| | - Nichole E Loomis
- Department of Chemical and Biological Engineering, University of Colorado Boulder, Boulder CO 80303, United States
| | - Sarah G Adzema
- Department of Chemical and Biological Engineering, University of Colorado Boulder, Boulder CO 80303, United States
| | - Jai Prakash
- Department of Advanced Organ Bioengineering and Therapeutics, Section: Engineered Therapeutics, University of Twente, Enschede, the Netherlands
| | - C Wyatt Shields Iv
- Department of Chemical and Biological Engineering, University of Colorado Boulder, Boulder CO 80303, United States; Biomedical Engineering Program, University of Colorado Boulder, Boulder CO 80303, United States.
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Nadine S, Correia CR, Mano JF. Engineering immunomodulatory hydrogels and cell-laden systems towards bone regeneration. BIOMATERIALS ADVANCES 2022; 140:213058. [PMID: 35933955 DOI: 10.1016/j.bioadv.2022.213058] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/28/2022] [Revised: 07/27/2022] [Accepted: 07/31/2022] [Indexed: 06/15/2023]
Abstract
The well-known synergetic interplay between the skeletal and immune systems has changed the design of advanced bone tissue engineering strategies. The immune system is essential during the bone lifetime, with macrophages playing multiple roles in bone healing and biomaterial integration. If in the past, the most valuable aspect of implants was to avoid immune responses of the host, nowadays, it is well-established how important are the crosstalks between immune cells and bone-engineered niches for an efficient regenerative process to occur. For that, it is essential to recapitulate the multiphenotypic cellular environment of bone tissue when designing new approaches. Indeed, the lack of osteoimmunomodulatory knowledge may be the explanation for the poor translation of biomaterials into clinical practice. Thus, smarter hydrogels incorporating immunomodulatory bioactive factors, stem cells, and immune cells are being proposed to develop a new generation of bone tissue engineering strategies. This review highlights the power of immune cells to upgrade the development of innovative engineered strategies, mainly focusing on orthopaedic and dental applications.
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Affiliation(s)
- Sara Nadine
- CICECO - Aveiro Institute of Materials, Department of Chemistry, University of Aveiro, Campus Universitário de Santiago, 3810-193 Aveiro, Portugal.
| | - Clara R Correia
- CICECO - Aveiro Institute of Materials, Department of Chemistry, University of Aveiro, Campus Universitário de Santiago, 3810-193 Aveiro, Portugal
| | - João F Mano
- CICECO - Aveiro Institute of Materials, Department of Chemistry, University of Aveiro, Campus Universitário de Santiago, 3810-193 Aveiro, Portugal.
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Kaushal A, Zhang Y, Ballantyne LL, Fitzpatrick LE. The extended effect of adsorbed damage-associated molecular patterns and Toll-like receptor 2 signaling on macrophage-material interactions. Front Bioeng Biotechnol 2022; 10:959512. [PMID: 36091432 PMCID: PMC9458975 DOI: 10.3389/fbioe.2022.959512] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2022] [Accepted: 07/27/2022] [Indexed: 11/25/2022] Open
Abstract
Implanted biomaterials elicit an immune-mediated foreign body reaction (FBR) that results in the fibrous encapsulation of the implant and can critically impact the performance of some implants. Consequently, understanding the molecular mechanisms that underpin cell-materials interactions that initiate biomaterial-induced inflammation and fibrosis is critical to improving the performance of biomaterial implants negatively impacted by the FBR. Damage-associated molecular patterns (DAMPs) are endogenous mediators of inflammation that are released upon tissue injury and induce sterile inflammation via Toll-like receptors (TLRs). However, the prevalence of DAMPs within the adsorbed protein layer on material surfaces and their role mediating cell-material interactions is unclear. Previously, our group demonstrated that molecules in fibroblast lysates adsorbed to various biomaterials and induced a potent TLR2-dependent inflammatory response in macrophages at 24 h. In this study, we examined the extended response of RAW-Blue reporter macrophages on lysate or serum-adsorbed Teflon™ AF surfaces to understand the potential role of adsorbed DAMPs in macrophage-material interactions at later time points. Lysate-conditioned surfaces maintained increased nuclear factor kappa B (NF-κB) and activator protein 1 (AP-1) transcription factor activity and increased expression Regulated upon Activation, Normal T Cell Expressed and Presumably Secreted (RANTES/CCL5) at 72 h and 120 h, compared to FBS-conditioned surfaces. In contrast, monocyte chemoattractant protein 1 (MCP-1/CCL2) was only elevated at 72 h in lysate conditions. Transforming growth factor beta 1 (TGF-β1) secretion was significantly increased on lysate-conditioned surfaces, while conditioned media from macrophages on lysate-conditioned surfaces induced alpha smooth muscle actin (αSMA) expression in 3T3 fibroblasts. TLR2 neutralizing antibody treatment significantly decreased NF-κB/AP-1 activity and attenuated TGF-β1 expression at both time points, and MCP-1 and RANTES at 72 h. Finally, multinucleated cells were observed on lysate-conditioned surfaces at 72 h, indicating adsorbed DAMPs induced a fusion permissive environment for adherent macrophages. This study demonstrates that adsorbed DAMPs continue to influence macrophage-material responses beyond the initial 24-h period and maintain a pro-inflammatory and fibrotic response that models aspects of the early FBR. Furthermore, the transient inhibition of TLR2 continued to exert an effect at these later time points, suggesting TLR2 may be a target for therapeutic interventions in FBR.
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Affiliation(s)
- Anuj Kaushal
- Department of Chemical Engineering, Queen’s University, Kingston, ON, Canada
| | - Yuxi Zhang
- Department of Chemical Engineering, Queen’s University, Kingston, ON, Canada
| | - Laurel L. Ballantyne
- Department of Chemical Engineering, Queen’s University, Kingston, ON, Canada
- The Centre for Health Innovation, Queen’s University and the Kingston Health Sciences Centre, Kingston, ON, Canada
| | - Lindsay E. Fitzpatrick
- Department of Chemical Engineering, Queen’s University, Kingston, ON, Canada
- The Centre for Health Innovation, Queen’s University and the Kingston Health Sciences Centre, Kingston, ON, Canada
- *Correspondence: Lindsay E. Fitzpatrick,
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Cerqueira A, García-Arnáez I, Muriach M, Azkargorta M, Elortza F, Izquierdo R, Romero-Gavilán F, Gurruchaga M, Suay J, Goñi I. The effect of calcium-magnesium mixtures in sol-gel coatings on bone tissue regeneration. Biomater Sci 2022; 10:5634-5647. [PMID: 35993129 DOI: 10.1039/d2bm00742h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
Calcium and magnesium are two elements essential for bone structure and metabolism. However, their synergistic or competitive effects on bone regeneration are often overlooked during biomaterial development. We examined the interactions between Ca and Mg in sol-gel coatings doped with mixtures of CaCl2 (0.5%) and MgCl2 (0.5, 1, and 1.5%). After physicochemical characterisation, the materials were incubated in vitro with MC3T3-E1 osteoblastic cells and RAW264.7 macrophages, and the protein adsorption was analysed using nLC-MS/MS. The incorporation of the ions did not lead to the formation of crystalline structures and did not affect the sol-gel network cross-linking. The release of the ions did not cause cytotoxic effects at any tested concentration. The proteomic analysis showed that adding the Ca and Mg ions elevated the adsorption of proteins associated with inflammatory response regulation (e.g., ALBU, CLUS, HPT, HPTR, A1AG1 and A1AG2) but decreased the adsorption of immunoglobulins. The CaMg coatings had reduced affinity to proteins associated with coagulation (e.g., FA9, FA10, FA11, FA12) but increased the adsorption of proteins involved in cell adhesion (DSG1, DESP, FBLN1, ZA2G). In vitro assays revealed that the cellular response was affected by changing the concentration of Mg. Moreover, our results show that these differences reflect the changes in the concentrations of both ions in the mix but are not a simple additive effect.
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Affiliation(s)
- Andreia Cerqueira
- Department of Industrial Systems Engineering and Design, Universitat Jaume I, Av. Vicent Sos Baynat s/n, 12071 Castellón de la Plana, Spain.
| | - Iñaki García-Arnáez
- Departament of Science and Technology of Polymers, Universidad del País Vasco, P. M. de Lardizábal, 3, 20018 San Sebastián, Spain
| | - María Muriach
- Deparment of Medicine, Universitat Jaume I, Av. Vicent Sos Baynat s/n, 12071 Castellón de la Plana, Spain
| | - Mikel Azkargorta
- Proteomics Platform, CIC bioGUNE, Basque Research and Technology Alliance (BRTA), CIBERehd, ProteoRed-ISCIII, Bizkaia Science and Technology Park, 48160 Derio, Spain
| | - Félix Elortza
- Proteomics Platform, CIC bioGUNE, Basque Research and Technology Alliance (BRTA), CIBERehd, ProteoRed-ISCIII, Bizkaia Science and Technology Park, 48160 Derio, Spain
| | - Raúl Izquierdo
- Department of Industrial Systems Engineering and Design, Universitat Jaume I, Av. Vicent Sos Baynat s/n, 12071 Castellón de la Plana, Spain.
| | - Francisco Romero-Gavilán
- Department of Industrial Systems Engineering and Design, Universitat Jaume I, Av. Vicent Sos Baynat s/n, 12071 Castellón de la Plana, Spain.
| | - Mariló Gurruchaga
- Departament of Science and Technology of Polymers, Universidad del País Vasco, P. M. de Lardizábal, 3, 20018 San Sebastián, Spain
| | - Julio Suay
- Department of Industrial Systems Engineering and Design, Universitat Jaume I, Av. Vicent Sos Baynat s/n, 12071 Castellón de la Plana, Spain.
| | - Isabel Goñi
- Departament of Science and Technology of Polymers, Universidad del País Vasco, P. M. de Lardizábal, 3, 20018 San Sebastián, Spain
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Wang K, Arado T, Huner A, Seol H, Liu X, Wang H, Hassan L, Suresh K, Kim S, Cheng G. Thermoplastic zwitterionic elastomer with critical antifouling properties. Biomater Sci 2022; 10:2892-2906. [PMID: 35446327 DOI: 10.1039/d2bm00190j] [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
Thermoplastic elastomers are widely used in the medical industry for advanced medical and healthcare products, helping millions of patients achieve a better quality of life. Yet, microbial contamination and material-associated biofilms on devices remain a critical challenge because it is challenging for currently available materials to provide critical antifouling properties, thermoplasticity, and elastic properties simultaneously. We developed a highly flexible zwitterionic thermoplastic polyurethane with critical antifouling properties. A series of poly((diethanolamine ethyl acetate)-co-poly(tetrahydrofuran)-co-(1,6-diisocyanatohexane)) (PCB-PTHFUs) were synthesized. The PCB-PTHFUs exhibit a breaking strain of more than 400%, a high resistance to fibroblast cells for 24 h, and the excellent ability to prevent biofilm formation for up to three weeks. This study lays a foundation for clarifying the structure-function relationships of zwitterionic polymers. This thermoplastic PCB-PTHFU platform, with its unmatched antifouling properties and high elasticity, has potential for implanted medical devices and a broad spectrum of applications that suffer from biofouling, such as material-associated infection.
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Affiliation(s)
- Kun Wang
- Department of Chemical Engineering, University of Illinois Chicago, Chicago, IL 60607, USA.
| | - Theo Arado
- University of Chicago Laboratory Schools, Chicago, IL 60637, USA
| | - Ardith Huner
- University of Chicago Laboratory Schools, Chicago, IL 60637, USA
| | - Hyang Seol
- Department of Chemical Engineering, University of Illinois Chicago, Chicago, IL 60607, USA.
| | - Xuan Liu
- Department of Chemical Engineering, University of Illinois Chicago, Chicago, IL 60607, USA.
| | - Huifeng Wang
- Department of Chemical Engineering, University of Illinois Chicago, Chicago, IL 60607, USA.
| | - Lena Hassan
- Department of Chemical Engineering, University of Illinois Chicago, Chicago, IL 60607, USA.
| | - Karthika Suresh
- Department of Chemical Engineering, University of Illinois Chicago, Chicago, IL 60607, USA.
| | - Sangil Kim
- Department of Chemical Engineering, University of Illinois Chicago, Chicago, IL 60607, USA.
| | - Gang Cheng
- Department of Chemical Engineering, University of Illinois Chicago, Chicago, IL 60607, USA.
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Zhang Q, Gonelle-Gispert C, Li Y, Geng Z, Gerber-Lemaire S, Wang Y, Buhler L. Islet Encapsulation: New Developments for the Treatment of Type 1 Diabetes. Front Immunol 2022; 13:869984. [PMID: 35493496 PMCID: PMC9046662 DOI: 10.3389/fimmu.2022.869984] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2022] [Accepted: 03/16/2022] [Indexed: 12/21/2022] Open
Abstract
Islet transplantation is a promising approach for the treatment of type 1 diabetes (T1D). Currently, clinical islet transplantation is limited by allo - and autoimmunity that may cause partial or complete loss of islet function within a short period of time, and long-term immunosuppression is required to prevent rejection. Encapsulation into semipermeable biomaterials provides a strategy that allows nutrients, oxygen and secreted hormones to diffuse through the membrane while blocking immune cells and the like out of the capsule, allowing long-term graft survival and avoiding long-term use of immunosuppression. In recent years, a variety of engineering strategies have been developed to improve the composition and properties of encapsulation materials and to explore the clinical practicality of islet cell transplantation from different sources. In particular, the encapsulation of porcine islet and the co-encapsulation of islet cells with other by-standing cells or active ingredients for promoting long-term functionality, attracted significant research efforts. Hydrogels have been widely used for cell encapsulation as well as other therapeutic applications including tissue engineering, cell carriers or drug delivery. Here, we review the current status of various hydrogel biomaterials, natural and synthetic, with particular focus on islet transplantation applications. Natural hydrophilic polymers include polysaccharides (starch, cellulose, alginic acid, hyaluronic acid, chitosan) and peptides (collagen, poly-L-lysine, poly-L-glutamic acid). Synthetic hydrophilic polymers include alcohol, acrylic acid and their derivatives [poly (acrylic acid), poly (methacrylic acid), poly(acrylamide)]. By understanding the advantages and disadvantages of materials from different sources and types, appropriate materials and encapsuling methods can be designed and selected as needed to improve the efficacy and duration of islet. Islet capsule transplantation is emerging as a promising future treatment for T1D.
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Affiliation(s)
- Qi Zhang
- School of Medicine, University of Electronic Science and Technology of China, Chengdu, China
| | | | - Yanjiao Li
- School of Medicine, University of Electronic Science and Technology of China, Chengdu, China
| | - Zhen Geng
- Clinical Immunology Translational Medicine Key Laboratory of Sichuan Province, Center of Organ Transplantation, Sichuan Academy of Medical Science and Sichuan Provincial People’s Hospital, Chengdu, China
- Institute of Organ Transplantation, Sichuan Provincial People's Hospital, University of Electronic Science and Technology of China, Chinese Academy of Sciences, Sichuan Translational Medicine Research Hospital, Chengdu, China
| | - Sandrine Gerber-Lemaire
- Group for Functionalized Biomaterials, Institute of Chemical Sciences and Engineering, Ecole Polytechnique Fédérale de Lausanne (EPFL), EPFL SB ISIC SCI-SB-SG, Lausanne, Switzerland
- *Correspondence: Leo Buhler, ; Yi Wang, ; Sandrine Gerber-Lemaire,
| | - Yi Wang
- Clinical Immunology Translational Medicine Key Laboratory of Sichuan Province, Center of Organ Transplantation, Sichuan Academy of Medical Science and Sichuan Provincial People’s Hospital, Chengdu, China
- Institute of Organ Transplantation, Sichuan Provincial People's Hospital, University of Electronic Science and Technology of China, Chinese Academy of Sciences, Sichuan Translational Medicine Research Hospital, Chengdu, China
- *Correspondence: Leo Buhler, ; Yi Wang, ; Sandrine Gerber-Lemaire,
| | - Leo Buhler
- Faculty of Science and Medicine, University of Fribourg, Fribourg, Switzerland
- Clinical Immunology Translational Medicine Key Laboratory of Sichuan Province, Center of Organ Transplantation, Sichuan Academy of Medical Science and Sichuan Provincial People’s Hospital, Chengdu, China
- Institute of Organ Transplantation, Sichuan Provincial People's Hospital, University of Electronic Science and Technology of China, Chinese Academy of Sciences, Sichuan Translational Medicine Research Hospital, Chengdu, China
- *Correspondence: Leo Buhler, ; Yi Wang, ; Sandrine Gerber-Lemaire,
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Buck E, Lee S, Gao Q, Tran SD, Tamimi F, Stone LS, Cerruti M. The Role of Surface Chemistry in the Osseointegration of PEEK Implants. ACS Biomater Sci Eng 2022; 8:1506-1521. [PMID: 35290033 DOI: 10.1021/acsbiomaterials.1c01434] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Poly(etheretherketone) (PEEK) implants suffer from poor osseointegration because of chronic inflammation. In this study, we hypothesized that adding NH2 and COOH groups to the surface of PEEK could modulate macrophage responses by altering protein adsorption and improve its osseointegration. NH2 and COOH-functionalized PEEK surfaces induced pro- and anti-inflammatory macrophage responses, respectively, and differences in protein adsorption patterns on these surfaces were related to the varied inflammatory responses. The macrophage responses to NH2 surfaces significantly reduced the osteogenic differentiation of mesenchymal stem cells (MSCs). MSCs cultured on NH2 surfaces differentiated less than those on COOH surfaces even though NH2 surfaces promoted the most mineralization in simulated body fluid solutions. After 14 days in rat tibia unicortical defects, the bone around NH2 surfaces had thinner trabeculae and higher specific bone surface than the bone around unmodified implants; surprisingly, the NH2 implants significantly increased bone-binding over the unmodified implants, while COOH implants only showed a trend for increasing bone-binding. Taken together, these results suggest that both mineral-binding and immune responses play a role in osseointegration, and PEEK implant integration may be improved with mixtures of these two functional groups to harness the ability to reduce inflammation and bind bone strongly.
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Affiliation(s)
- Emily Buck
- Mining and Materials Engineering, McGill University, 3610 University Street, Montreal, Quebec H3A 0C5, Canada
| | - Seunghwan Lee
- Faculty of Dentistry, McGill University, 2001 McGill College Avenue #500, Montreal, Quebec H3A 1G1, Canada.,Alan Edwards Center for Research on Pain, McGill University, 740 Dr. Penfield Avenue, Montreal, Quebec H3A 0G1, Canada
| | - Qiman Gao
- Faculty of Dentistry, McGill University, 2001 McGill College Avenue #500, Montreal, Quebec H3A 1G1, Canada
| | - Simon D Tran
- Faculty of Dentistry, McGill University, 2001 McGill College Avenue #500, Montreal, Quebec H3A 1G1, Canada
| | - Faleh Tamimi
- Faculty of Dentistry, McGill University, 2001 McGill College Avenue #500, Montreal, Quebec H3A 1G1, Canada
| | - Laura S Stone
- Faculty of Dentistry, McGill University, 2001 McGill College Avenue #500, Montreal, Quebec H3A 1G1, Canada.,Alan Edwards Center for Research on Pain, McGill University, 740 Dr. Penfield Avenue, Montreal, Quebec H3A 0G1, Canada
| | - Marta Cerruti
- Mining and Materials Engineering, McGill University, 3610 University Street, Montreal, Quebec H3A 0C5, Canada
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Liu Y, Chen C, Xie X, Yuan H, Tang Z, Qian T, Liu Y, Song M, Liu S, Lu T, Wu Z. Photooxidation and Pentagalloyl Glucose Cross-Linking Improves the Performance of Decellularized Small-Diameter Vascular Xenograft In Vivo. Front Bioeng Biotechnol 2022; 10:816513. [PMID: 35402413 PMCID: PMC8987116 DOI: 10.3389/fbioe.2022.816513] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2021] [Accepted: 03/04/2022] [Indexed: 12/11/2022] Open
Abstract
Small-diameter vascular grafts have a significant need in peripheral vascular surgery and procedures of coronary artery bypass graft (CABG); however, autografts are not always available, synthetic grafts perform poorly, and allografts and xenografts dilate, calcify, and induce inflammation after implantation. We hypothesized that cross-linking of decellularized xenogeneic vascular grafts would improve the mechanical properties and biocompatibility and reduce inflammation, degradation, and calcification in vivo. To test this hypothesis, the bovine internal mammary artery (BIMA) was decellularized by detergents and ribozymes with sonication and perfusion. Photooxidation and pentagalloyl glucose (PGG) were used to cross-link the collagen and elastin fibers of decellularized xenografts. Modified grafts’ characteristics and biocompatibility were studied in vitro and in vivo; the grafts were implanted as transposition grafts in the subcutaneous of rats and the abdominal aorta of rabbits. The decellularized grafts were cross-linked by photooxidation and PGG, which improved the grafts’ biomechanical properties and biocompatibility, prevented elastic fibers from early degradation, and reduced inflammation and calcification in vivo. Short-term aortic implants in the rabbits showed collagen regeneration and differentiation of host smooth muscle cells. No occlusion and stenosis occurred due to remodeling and stabilization of the neointima. A good patency rate (100%) was maintained. Notably, implantation of non-treated grafts exhibited marked thrombosis, an inflammatory response, calcification, and elastin degeneration. Thus, photooxidation and PGG cross-linking are potential tools for improving grafts’ biological performance within decellularized small-diameter vascular xenografts.
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Affiliation(s)
- Yuhong Liu
- Department of Cardiovascular Surgery, The Second Xiangya Hospital of Central South University, Changsha, China
| | - Chunyang Chen
- Department of Cardiovascular Surgery, The Second Xiangya Hospital of Central South University, Changsha, China
| | - Xinlong Xie
- Department of Cardiovascular Surgery, The Second Xiangya Hospital of Central South University, Changsha, China
| | - Haoyong Yuan
- Department of Cardiovascular Surgery, The Second Xiangya Hospital of Central South University, Changsha, China
| | - Zhenjie Tang
- Department of Cardiovascular Surgery, The Second Xiangya Hospital of Central South University, Changsha, China
| | - Tao Qian
- Department of Cardiovascular Surgery, The Second Xiangya Hospital of Central South University, Changsha, China
| | - Yalin Liu
- Department of Cardiovascular Surgery, The Second Xiangya Hospital of Central South University, Changsha, China
| | - Mingzhe Song
- Department of Cardiovascular Surgery, The Second Xiangya Hospital of Central South University, Changsha, China
| | - Sixi Liu
- Department of Cardiovascular Surgery, The Second Xiangya Hospital of Central South University, Changsha, China
| | - Ting Lu
- Department of Cardiovascular Surgery, The Second Xiangya Hospital of Central South University, Changsha, China
- *Correspondence: Ting Lu, ; Zhongshi Wu,
| | - Zhongshi Wu
- Department of Cardiovascular Surgery, The Second Xiangya Hospital of Central South University, Changsha, China
- NHC Key Laboratory of Birth Defect for Research and Prevention, Hunan Provincial Maternal and Child Health Care Hospital, Changsha, China
- *Correspondence: Ting Lu, ; Zhongshi Wu,
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Kittel Y, Kuehne AJC, De Laporte L. Translating Therapeutic Microgels into Clinical Applications. Adv Healthc Mater 2022; 11:e2101989. [PMID: 34826201 DOI: 10.1002/adhm.202101989] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2021] [Revised: 11/17/2021] [Indexed: 12/14/2022]
Abstract
Microgels are crosslinked, water-swollen networks with a 10 nm to 100 µm diameter and can be modified chemically or biologically to render them biocompatible for advanced clinical applications. Depending on their intended use, microgels require different mechanical and structural properties, which can be engineered on demand by altering the biochemical composition, crosslink density of the polymer network, and the fabrication method. Here, the fundamental aspects of microgel research and development, as well as their specific applications for theranostics and therapy in the clinic, are discussed. A detailed overview of microgel fabrication techniques with regards to their intended clinical application is presented, while focusing on how microgels can be employed as local drug delivery materials, scavengers, and contrast agents. Moreover, microgels can act as scaffolds for tissue engineering and regeneration application. Finally, an overview of microgels is given, which already made it into pre-clinical and clinical trials, while future challenges and chances are discussed. This review presents an instructive guideline for chemists, material scientists, and researchers in the biomedical field to introduce them to the fundamental physicochemical properties of microgels and guide them from fabrication methods via characterization techniques and functionalization of microgels toward specific applications in the clinic.
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Affiliation(s)
- Yonca Kittel
- DWI – Leibniz Institute for Interactive Materials Forckenbeckstrasse 50 52074 Aachen Germany
| | - Alexander J. C. Kuehne
- DWI – Leibniz Institute for Interactive Materials Forckenbeckstrasse 50 52074 Aachen Germany
- Institute of Organic and Macromolecular Chemistry Ulm University Albert‐Einstein‐Allee 11 89081 Ulm Germany
- Institute of Technical and Macromolecular Chemistry (ITMC) Polymeric Biomaterials RWTH University Aachen Worringerweg 2 52074 Aachen Germany
| | - Laura De Laporte
- DWI – Leibniz Institute for Interactive Materials Forckenbeckstrasse 50 52074 Aachen Germany
- Max Planck School‐Matter to Life (MtL) Jahnstraße 29 69120 Heidelberg Germany
- Advanced Materials for Biomedicine (AMB) Institute of Applied Medical Engineering (AME) Center for Biohybrid Medical Systems (CBMS) University Hospital RWTH 52074 Aachen Germany
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Fernandez-Yague MA, Hymel LA, Olingy CE, McClain C, Ogle ME, García JR, Minshew D, Vyshnya S, Lim HS, Qiu P, García AJ, Botchwey EA. Analyzing immune response to engineered hydrogels by hierarchical clustering of inflammatory cell subsets. SCIENCE ADVANCES 2022; 8:eabd8056. [PMID: 35213226 PMCID: PMC8880784 DOI: 10.1126/sciadv.abd8056] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/14/2020] [Accepted: 12/31/2021] [Indexed: 06/14/2023]
Abstract
Understanding the immune response to hydrogel implantation is critical for the design of immunomodulatory biomaterials. To study the progression of inflammation around poly(ethylene glycol) hydrogels presenting Arg-Gly-Asp (RGD) peptides and vascular endothelial growth factor, we used temporal analysis of high-dimensional flow cytometry data paired with intravital imaging, immunohistochemistry, and multiplexed proteomic profiling. RGD-presenting hydrogels created a reparative microenvironment promoting CD206+ cellular infiltration and revascularization in wounded dorsal skin tissue. Unbiased clustering algorithms (SPADE) revealed significant phenotypic transition shifts as a function of the cell-adhesion hydrogel properties. SPADE identified an intermediate macrophage subset functionally regulating in vivo cytokine secretion that was preferentially recruited for RGD-presenting hydrogels, whereas dendritic cell subsets were preferentially recruited to RDG-presenting hydrogels. Last, RGD-presenting hydrogels controlled macrophage functional cytokine secretion to direct polarization and vascularization. Our studies show that unbiased clustering of single-cell data provides unbiased insights into the underlying immune response to engineered materials.
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Affiliation(s)
- Marc A. Fernandez-Yague
- The Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology and Emory University, Atlanta, GA, USA
- Petit Institute for Bioengineering and Biosciences, Georgia Institute of Technology, Atlanta, GA, USA
| | - Lauren A. Hymel
- The Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology and Emory University, Atlanta, GA, USA
- Petit Institute for Bioengineering and Biosciences, Georgia Institute of Technology, Atlanta, GA, USA
| | - Claire E. Olingy
- The Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology and Emory University, Atlanta, GA, USA
- Petit Institute for Bioengineering and Biosciences, Georgia Institute of Technology, Atlanta, GA, USA
| | - Claire McClain
- The Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology and Emory University, Atlanta, GA, USA
- Petit Institute for Bioengineering and Biosciences, Georgia Institute of Technology, Atlanta, GA, USA
| | - Molly E. Ogle
- The Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology and Emory University, Atlanta, GA, USA
- Petit Institute for Bioengineering and Biosciences, Georgia Institute of Technology, Atlanta, GA, USA
| | - José R. García
- Petit Institute for Bioengineering and Biosciences, Georgia Institute of Technology, Atlanta, GA, USA
- Woodruff School of Mechanical Engineering, Georgia Institute of Technology, Atlanta, GA, USA
| | - Dustin Minshew
- The Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology and Emory University, Atlanta, GA, USA
| | - Sofiya Vyshnya
- The Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology and Emory University, Atlanta, GA, USA
| | - Hong Seo Lim
- The Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology and Emory University, Atlanta, GA, USA
| | - Peng Qiu
- The Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology and Emory University, Atlanta, GA, USA
| | - Andrés J. García
- Petit Institute for Bioengineering and Biosciences, Georgia Institute of Technology, Atlanta, GA, USA
- Woodruff School of Mechanical Engineering, Georgia Institute of Technology, Atlanta, GA, USA
| | - Edward A. Botchwey
- The Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology and Emory University, Atlanta, GA, USA
- Petit Institute for Bioengineering and Biosciences, Georgia Institute of Technology, Atlanta, GA, USA
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44
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Capuani S, Malgir G, Chua CYX, Grattoni A. Advanced Strategies to Thwart Foreign Body Response to Implantable Devices. Bioeng Transl Med 2022; 7:e10300. [PMID: 36176611 PMCID: PMC9472022 DOI: 10.1002/btm2.10300] [Citation(s) in RCA: 27] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2021] [Revised: 01/21/2022] [Accepted: 01/24/2022] [Indexed: 11/10/2022] Open
Abstract
Mitigating the foreign body response (FBR) to implantable medical devices (IMDs) is critical for successful long‐term clinical deployment. The FBR is an inevitable immunological reaction to IMDs, resulting in inflammation and subsequent fibrotic encapsulation. Excessive fibrosis may impair IMDs function, eventually necessitating retrieval or replacement for continued therapy. Therefore, understanding the implant design parameters and their degree of influence on FBR is pivotal to effective and long lasting IMDs. This review gives an overview of FBR as well as anti‐FBR strategies. Furthermore, we highlight recent advances in biomimetic approaches to resist FBR, focusing on their characteristics and potential biomedical applications.
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Affiliation(s)
- Simone Capuani
- Department of Nanomedicine Houston Methodist Research Institute Houston TX USA
- University of Chinese Academy of Science (UCAS) 19 Yuquan Road Beijing China
| | - Gulsah Malgir
- Department of Nanomedicine Houston Methodist Research Institute Houston TX USA
- Department of Biomedical Engineering University of Houston Houston TX USA
| | | | - Alessandro Grattoni
- Department of Nanomedicine Houston Methodist Research Institute Houston TX USA
- Department of Surgery Houston Methodist Hospital Houston TX USA
- Department of Radiation Oncology Houston Methodist Hospital Houston TX USA
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45
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Development of carboxymethyl cellulose/gelatin hybrid hydrogels via radiation-induced cross-linking as novel anti-adhesion barriers. Polym Degrad Stab 2022. [DOI: 10.1016/j.polymdegradstab.2022.109856] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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46
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Kaplan B, Levenberg S. The Role of Biomaterials in Peripheral Nerve and Spinal Cord Injury: A Review. Int J Mol Sci 2022; 23:ijms23031244. [PMID: 35163168 PMCID: PMC8835501 DOI: 10.3390/ijms23031244] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2021] [Revised: 01/19/2022] [Accepted: 01/20/2022] [Indexed: 12/18/2022] Open
Abstract
Peripheral nerve and spinal cord injuries are potentially devastating traumatic conditions with major consequences for patients’ lives. Severe cases of these conditions are currently incurable. In both the peripheral nerves and the spinal cord, disruption and degeneration of axons is the main cause of neurological deficits. Biomaterials offer experimental solutions to improve these conditions. They can be engineered as scaffolds that mimic the nerve tissue extracellular matrix and, upon implantation, encourage axonal regeneration. Furthermore, biomaterial scaffolds can be designed to deliver therapeutic agents to the lesion site. This article presents the principles and recent advances in the use of biomaterials for axonal regeneration and nervous system repair.
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Affiliation(s)
- Ben Kaplan
- Faculty of Biomedical Engineering, Technion-Israel Institute of Technology, Haifa 3200003, Israel;
- Bruce Rapaport Faculty of Medicine, Technion-Israel Institute of Technology, Haifa 3525433, Israel
| | - Shulamit Levenberg
- Faculty of Biomedical Engineering, Technion-Israel Institute of Technology, Haifa 3200003, Israel;
- Correspondence:
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47
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Chen Y, Zhou X, Huang S, Lan Y, Yan R, Shi X, Li X, Zhang Y, Lei Z, Fan D. Effect of Microgroove Structure in PDMS-Based Silicone Implants on Biocompatibility. Front Bioeng Biotechnol 2022; 9:793778. [PMID: 35127669 PMCID: PMC8812998 DOI: 10.3389/fbioe.2021.793778] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2021] [Accepted: 11/30/2021] [Indexed: 11/24/2022] Open
Abstract
Capsule and capsule contracture around implants are important concerns in a clinic. The physical topology of the material surface regulates the formation of the capsule, but the specific regulatory mechanism is unclear. In this study, four types of silicone implant materials with different microgroove structures (groove depths of 10 and 50 μm and widths of 50 and 200 μm) were constructed using lithography to form different gradient surface topologies. Mass spectrometry, Cell Counting Kit-8, 5-ethynyl-2′-deoxycytidine (EdU), enzyme-linked immunosorbent assay, western blot, immunofluorescence, and immunohistochemistry were used to explore the changes in protein adsorption, cell adhesion, cell proliferation, and collagen deposition on the surface of the materials. At the same time, RNA-seq was used to detect transcriptome differences caused by different structures. Furthermore, collagen deposition and capsule formation were observed in the rats. The groove structure was observed to significantly increase the surface roughness of the material. The deeper groove and the narrower width of the polydimethylsiloxane would increase the surface roughness of the material and the surface water contact angle but reduce the total amount of adsorbed protein in the first two hours. In vitro cell experiments revealed that microtopology affected cell proliferation and adhesion and regulated collagen secretion. Further analysis indicated the deeper and narrower groove (group 50–50) on the surface of the material caused more evident collagen deposition around the material, forming a thicker envelope. Surface roughness of the material was thus related to collagen deposition and envelope thickness. The thickness of the envelope tissue around smooth materials does not exceed that of the materials with surface roughness. In conclusion, the narrower and deeper grooves in the micron range exhibited poor histocompatibility and led to formation of thicker envelopes around the materials. The appropriate grooves can reduce envelope thickness.
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Affiliation(s)
| | | | | | | | | | | | | | | | - Zeyuan Lei
- *Correspondence: Dongli Fan, ; Zeyuan Lei,
| | - Dongli Fan
- *Correspondence: Dongli Fan, ; Zeyuan Lei,
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48
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Abhari RE, Izett-Kay ML, Morris HL, Cartwright R, Snelling SJB. Host-biomaterial interactions in mesh complications after pelvic floor reconstructive surgery. Nat Rev Urol 2021; 18:725-738. [PMID: 34545239 DOI: 10.1038/s41585-021-00511-y] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/29/2021] [Indexed: 02/08/2023]
Abstract
Polypropylene (PPL) mesh is widely used in pelvic floor reconstructive surgery for prolapse and stress urinary incontinence. However, some women, particularly those treated using transvaginal PPL mesh placement for prolapse, experience intractable pain and mesh exposure or extrusion. Explanted tissue from patients with complications following transvaginal implantation of mesh is typified by a dense fibrous capsule with an immune cell-rich infiltrate, suggesting that the host immune response has a role in transvaginal PPL mesh complications through the separate contributions of the host (patient), the biological niche within which the material is implanted and biomaterial properties of the mesh. This immune response might be strongly influenced by both the baseline inflammatory status of the patient, surgical technique and experience, and the unique hormonal, immune and microbial tissue niche of the vagina. Mesh porosity, surface area and stiffness also might have an effect on the immune and tissue response to transvaginal mesh placement. Thus, a regulatory pathway is needed for mesh development that recognizes the roles of host and biological factors in driving the immune response to mesh, as well as mandatory mesh registries and the longitudinal surveillance of patients.
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Affiliation(s)
- Roxanna E Abhari
- Nuffield Department of Orthopaedics, Rheumatology, and Musculoskeletal Sciences (NDORMS), University of Oxford, Oxford, UK.
| | - Matthew L Izett-Kay
- Department of Urogynaecology, Oxford University Hospitals NHS Trust, Oxford, UK.,Nuffield Department of Women's & Reproductive Health, University of Oxford, Oxford, UK
| | - Hayley L Morris
- Nuffield Department of Orthopaedics, Rheumatology, and Musculoskeletal Sciences (NDORMS), University of Oxford, Oxford, UK
| | - Rufus Cartwright
- Department of Urogynaecology, London North West Hospitals NHS Trust, London, UK.,Department of Epidemiology & Biostatistics, Imperial College London, London, UK
| | - Sarah J B Snelling
- Nuffield Department of Orthopaedics, Rheumatology, and Musculoskeletal Sciences (NDORMS), University of Oxford, Oxford, UK.,NIHR Oxford Biomedical Research Centre, Oxford, UK
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49
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Bonito V, Koch SE, Krebber MM, Carvajal-Berrio DA, Marzi J, Duijvelshoff R, Lurier EB, Buscone S, Dekker S, de Jong SMJ, Mes T, Vaessen KRD, Brauchle EM, Bosman AW, Schenke-Layland K, Verhaar MC, Dankers PYW, Smits AIPM, Bouten CVC. Distinct Effects of Heparin and Interleukin-4 Functionalization on Macrophage Polarization and In Situ Arterial Tissue Regeneration Using Resorbable Supramolecular Vascular Grafts in Rats. Adv Healthc Mater 2021; 10:e2101103. [PMID: 34523263 DOI: 10.1002/adhm.202101103] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2021] [Revised: 08/12/2021] [Indexed: 12/16/2022]
Abstract
Two of the greatest challenges for successful application of small-diameter in situ tissue-engineered vascular grafts are 1) preventing thrombus formation and 2) harnessing the inflammatory response to the graft to guide functional tissue regeneration. This study evaluates the in vivo performance of electrospun resorbable elastomeric vascular grafts, dual-functionalized with anti-thrombogenic heparin (hep) and anti-inflammatory interleukin 4 (IL-4) using a supramolecular approach. The regenerative capacity of IL-4/hep, hep-only, and bare grafts is investigated as interposition graft in the rat abdominal aorta, with follow-up at key timepoints in the healing cascade (1, 3, 7 days, and 3 months). Routine analyses are augmented with Raman microspectroscopy, in order to acquire the local molecular fingerprints of the resorbing scaffold and developing tissue. Thrombosis is found not to be a confounding factor in any of the groups. Hep-only-functionalized grafts resulted in adverse tissue remodeling, with cases of local intimal hyperplasia. This is negated with the addition of IL-4, which promoted M2 macrophage polarization and more mature neotissue formation. This study shows that with bioactive functionalization, the early inflammatory response can be modulated and affect the composition of neotissue. Nevertheless, variability between graft outcomes is observed within each group, warranting further evaluation in light of clinical translation.
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Affiliation(s)
- Valentina Bonito
- Department of Biomedical Engineering and Institute for Complex Molecular Systems (ICMS), Eindhoven University of Technology, Eindhoven, 5600 MB, The Netherlands
| | - Suzanne E Koch
- Department of Biomedical Engineering and Institute for Complex Molecular Systems (ICMS), Eindhoven University of Technology, Eindhoven, 5600 MB, The Netherlands
| | - Merle M Krebber
- Department of Nephrology and Hypertension, University Medical Center Utrecht, Utrecht, 3584 CX, The Netherlands
| | - Daniel A Carvajal-Berrio
- Department of Biomedical Engineering, Research Institute of Women's Health and Cluster of Excellence iFIT (EXC 2180) "Image-Guided and Functionally Instructed Tumor Therapies", Eberhard Karls University Tübingen, Tübingen, 72076, Germany
- NMI Natural and Medical Sciences Institute at the University of Tübingen, Reutlingen, 72770, Germany
| | - Julia Marzi
- Department of Biomedical Engineering, Research Institute of Women's Health and Cluster of Excellence iFIT (EXC 2180) "Image-Guided and Functionally Instructed Tumor Therapies", Eberhard Karls University Tübingen, Tübingen, 72076, Germany
- NMI Natural and Medical Sciences Institute at the University of Tübingen, Reutlingen, 72770, Germany
| | - Renee Duijvelshoff
- Department of Biomedical Engineering and Institute for Complex Molecular Systems (ICMS), Eindhoven University of Technology, Eindhoven, 5600 MB, The Netherlands
- Department of Cardiology, Isala Hospital, van Heesweg 2, Zwolle, 8025 AB, The Netherlands
| | - Emily B Lurier
- Department of Biomedical Engineering and Institute for Complex Molecular Systems (ICMS), Eindhoven University of Technology, Eindhoven, 5600 MB, The Netherlands
- School of Biomedical Engineering, Science and Health Systems, Drexel University, Philadelphia, PA, 19104, USA
| | - Serena Buscone
- Department of Biomedical Engineering and Institute for Complex Molecular Systems (ICMS), Eindhoven University of Technology, Eindhoven, 5600 MB, The Netherlands
| | - Sylvia Dekker
- Department of Biomedical Engineering and Institute for Complex Molecular Systems (ICMS), Eindhoven University of Technology, Eindhoven, 5600 MB, The Netherlands
| | - Simone M J de Jong
- Department of Biomedical Engineering and Institute for Complex Molecular Systems (ICMS), Eindhoven University of Technology, Eindhoven, 5600 MB, The Netherlands
| | - Tristan Mes
- SupraPolix BV, Eindhoven, 5612 AX, The Netherlands
| | - Koen R D Vaessen
- Central Laboratory Animal Research Facility (CLARF), Utrecht University, Utrecht, 3584 CX, The Netherlands
| | - Eva M Brauchle
- Department of Biomedical Engineering, Research Institute of Women's Health and Cluster of Excellence iFIT (EXC 2180) "Image-Guided and Functionally Instructed Tumor Therapies", Eberhard Karls University Tübingen, Tübingen, 72076, Germany
- NMI Natural and Medical Sciences Institute at the University of Tübingen, Reutlingen, 72770, Germany
| | | | - Katja Schenke-Layland
- Department of Biomedical Engineering, Research Institute of Women's Health and Cluster of Excellence iFIT (EXC 2180) "Image-Guided and Functionally Instructed Tumor Therapies", Eberhard Karls University Tübingen, Tübingen, 72076, Germany
- NMI Natural and Medical Sciences Institute at the University of Tübingen, Reutlingen, 72770, Germany
| | - Marianne C Verhaar
- Department of Nephrology and Hypertension, University Medical Center Utrecht, Utrecht, 3584 CX, The Netherlands
| | - Patricia Y W Dankers
- Department of Biomedical Engineering and Institute for Complex Molecular Systems (ICMS), Eindhoven University of Technology, Eindhoven, 5600 MB, The Netherlands
| | - Anthal I P M Smits
- Department of Biomedical Engineering and Institute for Complex Molecular Systems (ICMS), Eindhoven University of Technology, Eindhoven, 5600 MB, The Netherlands
| | - Carlijn V C Bouten
- Department of Biomedical Engineering and Institute for Complex Molecular Systems (ICMS), Eindhoven University of Technology, Eindhoven, 5600 MB, The Netherlands
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50
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Strohbach A, Busch R. Predicting the In Vivo Performance of Cardiovascular Biomaterials: Current Approaches In Vitro Evaluation of Blood-Biomaterial Interactions. Int J Mol Sci 2021; 22:ijms222111390. [PMID: 34768821 PMCID: PMC8583792 DOI: 10.3390/ijms222111390] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2021] [Revised: 10/04/2021] [Accepted: 10/18/2021] [Indexed: 12/29/2022] Open
Abstract
The therapeutic efficacy of a cardiovascular device after implantation is highly dependent on the host-initiated complement and coagulation cascade. Both can eventually trigger thrombosis and inflammation. Therefore, understanding these initial responses of the body is of great importance for newly developed biomaterials. Subtle modulation of the associated biological processes could optimize clinical outcomes. However, our failure to produce truly blood compatible materials may reflect our inability to properly understand the mechanisms of thrombosis and inflammation associated with biomaterials. In vitro models mimicking these processes provide valuable insights into the mechanisms of biomaterial-induced complement activation and coagulation. Here, we review (i) the influence of biomaterials on complement and coagulation cascades, (ii) the significance of complement-coagulation interactions for the clinical success of cardiovascular implants, (iii) the modulation of complement activation by surface modifications, and (iv) in vitro testing strategies.
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Affiliation(s)
- Anne Strohbach
- Department of Internal Medicine B Cardiology, University Medicine Greifswald, Ferdinand-Sauerbruch-Str., 17475 Greifswald, Germany;
- DZHK (German Centre for Cardiovascular Research), Partner Site Greifswald, Fleischmannstr. 42-44, 17489 Greifswald, Germany
- Correspondence:
| | - Raila Busch
- Department of Internal Medicine B Cardiology, University Medicine Greifswald, Ferdinand-Sauerbruch-Str., 17475 Greifswald, Germany;
- DZHK (German Centre for Cardiovascular Research), Partner Site Greifswald, Fleischmannstr. 42-44, 17489 Greifswald, Germany
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