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Ning L, Zanella S, Tomov ML, Amoli MS, Jin L, Hwang B, Saadeh M, Chen H, Neelakantan S, Dasi LP, Avazmohammadi R, Mahmoudi M, Bauser‐Heaton HD, Serpooshan V. Targeted Rapamycin Delivery via Magnetic Nanoparticles to Address Stenosis in a 3D Bioprinted in Vitro Model of Pulmonary Veins. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2024; 11:e2400476. [PMID: 38696618 PMCID: PMC11234432 DOI: 10.1002/advs.202400476] [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: 01/12/2024] [Revised: 04/09/2024] [Indexed: 05/04/2024]
Abstract
Vascular cell overgrowth and lumen size reduction in pulmonary vein stenosis (PVS) can result in elevated PV pressure, pulmonary hypertension, cardiac failure, and death. Administration of chemotherapies such as rapamycin have shown promise by inhibiting the vascular cell proliferation; yet clinical success is limited due to complications such as restenosis and off-target effects. The lack of in vitro models to recapitulate the complex pathophysiology of PVS has hindered the identification of disease mechanisms and therapies. This study integrated 3D bioprinting, functional nanoparticles, and perfusion bioreactors to develop a novel in vitro model of PVS. Bioprinted bifurcated PV constructs are seeded with endothelial cells (ECs) and perfused, demonstrating the formation of a uniform and viable endothelium. Computational modeling identified the bifurcation point at high risk of EC overgrowth. Application of an external magnetic field enabled targeting of the rapamycin-loaded superparamagnetic iron oxide nanoparticles at the bifurcation site, leading to a significant reduction in EC proliferation with no adverse side effects. These results establish a 3D bioprinted in vitro model to study PV homeostasis and diseases, offering the potential for increased throughput, tunability, and patient specificity, to test new or more effective therapies for PVS and other vascular diseases.
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Affiliation(s)
- Liqun Ning
- Wallace H. Coulter Department of Biomedical EngineeringEmory University School of Medicine and Georgia Institute of TechnologyAtlantaGA30322USA
- Department of Mechanical EngineeringCleveland State UniversityClevelandOH44115USA
| | - Stefano Zanella
- Wallace H. Coulter Department of Biomedical EngineeringEmory University School of Medicine and Georgia Institute of TechnologyAtlantaGA30322USA
| | - Martin L. Tomov
- Wallace H. Coulter Department of Biomedical EngineeringEmory University School of Medicine and Georgia Institute of TechnologyAtlantaGA30322USA
| | - Mehdi Salar Amoli
- Wallace H. Coulter Department of Biomedical EngineeringEmory University School of Medicine and Georgia Institute of TechnologyAtlantaGA30322USA
| | - Linqi Jin
- Wallace H. Coulter Department of Biomedical EngineeringEmory University School of Medicine and Georgia Institute of TechnologyAtlantaGA30322USA
| | - Boeun Hwang
- Wallace H. Coulter Department of Biomedical EngineeringEmory University School of Medicine and Georgia Institute of TechnologyAtlantaGA30322USA
| | - Maher Saadeh
- Wallace H. Coulter Department of Biomedical EngineeringEmory University School of Medicine and Georgia Institute of TechnologyAtlantaGA30322USA
| | - Huang Chen
- Wallace H. Coulter Department of Biomedical EngineeringEmory University School of Medicine and Georgia Institute of TechnologyAtlantaGA30322USA
| | - Sunder Neelakantan
- Department of Biomedical EngineeringTexas A&M UniversityCollege StationTX77843USA
| | - Lakshmi Prasad Dasi
- Wallace H. Coulter Department of Biomedical EngineeringEmory University School of Medicine and Georgia Institute of TechnologyAtlantaGA30322USA
| | - Reza Avazmohammadi
- Department of Biomedical EngineeringTexas A&M UniversityCollege StationTX77843USA
- J. Mike Walker ’66 Department of Mechanical EngineeringTexas A&M UniversityCollege StationTX77840USA
| | - Morteza Mahmoudi
- Department of Radiology and Precision Health ProgramMichigan State UniversityEast LandingMI48824USA
| | - Holly D. Bauser‐Heaton
- Wallace H. Coulter Department of Biomedical EngineeringEmory University School of Medicine and Georgia Institute of TechnologyAtlantaGA30322USA
- Department of PediatricsEmory University School of MedicineAtlantaGA30322USA
- Children's Healthcare of AtlantaAtlantaGA30322USA
- Sibley Heart Center at Children's Healthcare of AtlantaAtlantaGA30322USA
| | - Vahid Serpooshan
- Wallace H. Coulter Department of Biomedical EngineeringEmory University School of Medicine and Georgia Institute of TechnologyAtlantaGA30322USA
- Department of PediatricsEmory University School of MedicineAtlantaGA30322USA
- Children's Healthcare of AtlantaAtlantaGA30322USA
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Chen H, Zhang T, Tian Y, You L, Huang Y, Wang S. Novel self-assembling peptide hydrogel with pH-tunable assembly microstructure, gel mechanics and the entrapment of curcumin. Food Hydrocoll 2022. [DOI: 10.1016/j.foodhyd.2021.107338] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
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Nohava J, Swain M, Lang SJ, Maier P, Heinzelmann S, Reinhard T, Eberwein P. Instrumented indentation for determination of mechanical properties of human cornea after ultraviolet-A crosslinking. J Biomed Mater Res A 2018; 106:1413-1420. [DOI: 10.1002/jbm.a.36337] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2017] [Revised: 12/13/2017] [Accepted: 12/21/2017] [Indexed: 01/07/2023]
Affiliation(s)
- Jiri Nohava
- Anton Paar TriTec, Rue de la Gare 4; Peseux CH-2034 Switzerland
| | - Michael Swain
- Biomaterials Faculty of Dentistry; The University of Sydney; Sydney NSW 2009 Australia
- Faculty of Dentistry; The University of Kuwait; Safah 13110 Kuwait
| | - Stefan J. Lang
- Eye Center, Medical Center, Faculty of Medicine; University of Freiburg; Freiburg 79110 Germany
| | - Philip Maier
- Eye Center, Medical Center, Faculty of Medicine; University of Freiburg; Freiburg 79110 Germany
| | - Sonja Heinzelmann
- Eye Center, Medical Center, Faculty of Medicine; University of Freiburg; Freiburg 79110 Germany
| | - Thomas Reinhard
- Eye Center, Medical Center, Faculty of Medicine; University of Freiburg; Freiburg 79110 Germany
| | - Philipp Eberwein
- Eye Center, Medical Center, Faculty of Medicine; University of Freiburg; Freiburg 79110 Germany
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Swain MV, Nohava J, Eberwein P. A simple basis for determination of the modulus and hydraulic conductivity of human ocular surface using nano-indentation. Acta Biomater 2017; 50:312-321. [PMID: 28003145 DOI: 10.1016/j.actbio.2016.12.007] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2016] [Revised: 12/05/2016] [Accepted: 12/05/2016] [Indexed: 12/23/2022]
Abstract
This paper presents a simple analysis based upon Darcy's Law and indentation contact mechanics to determine the effective hydraulic conductivity and elastic modulus of fluid filled tissues. The approach is illustrated with the mechanical response of the human ocular surface using a 500μm radius spherical tipped indenter. Indentations of various regions of the ocular surface including the corneal stroma, limbal region and sclera have been conducted. Force-control indentations were made to a maximum force, which was maintained before unloading. Measurements of the indentation response of cornea at three different loading rates were also made. Elastic like response was observed during loading, which was followed by extensive creep prior to unloading. STATEMENT OF SIGNIFICANCE This manuscript attempts to provide a relatively simply model for the contact loading of fluid containing tissues and materials. It shows that the response of such materials provides a basis for determining the effective modulus and effective hydraulic conductivity (permeability) in much the same manner that hardness and modulus do for the indentation of elastic-plastic materials. Eye tissue with its anisotropic elastic and permeability properties is used to illustrate the approach.
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Affiliation(s)
- M V Swain
- Bioclinical Sciences, Faculty of Dentistry, Kuwait University, Kuwait.
| | - J Nohava
- Anton Paar, Rue de la Gare 4, 2034 Peseux, Switzerland
| | - P Eberwein
- Eye Medical Center, University of Freiburg, Germany
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Yu Z, Cai Z, Chen Q, Liu M, Ye L, Ren J, Liao W, Liu S. Engineering β-sheet peptide assemblies for biomedical applications. Biomater Sci 2017; 4:365-74. [PMID: 26700207 DOI: 10.1039/c5bm00472a] [Citation(s) in RCA: 65] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Hydrogels have been widely studied in various biomedical applications, such as tissue engineering, cell culture, immunotherapy and vaccines, and drug delivery. Peptide-based nanofibers represent a promising new strategy for current drug delivery approaches and cell carriers for tissue engineering. This review focuses on the recent advances in the use of self-assembling engineered β-sheet peptide assemblies for biomedical applications. The applications of peptide nanofibers in biomedical fields, such as drug delivery, tissue engineering, immunotherapy, and vaccines, are highlighted. The current challenges and future perspectives for self-assembling peptide nanofibers in biomedical applications are discussed.
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Affiliation(s)
- Zhiqiang Yu
- School of Pharmaceutical Sciences, Guangdong Provincial Key Laboratory of New Drug Screening, Southern Medical University, Guangzhou 510515, China.
| | - Zheng Cai
- School of Pharmaceutical Sciences, Guangdong Provincial Key Laboratory of New Drug Screening, Southern Medical University, Guangzhou 510515, China.
| | - Qiling Chen
- School of Pharmaceutical Sciences, Guangdong Provincial Key Laboratory of New Drug Screening, Southern Medical University, Guangzhou 510515, China.
| | - Menghua Liu
- School of Pharmaceutical Sciences, Guangdong Provincial Key Laboratory of New Drug Screening, Southern Medical University, Guangzhou 510515, China.
| | - Ling Ye
- School of Pharmaceutical Sciences, Guangdong Provincial Key Laboratory of New Drug Screening, Southern Medical University, Guangzhou 510515, China.
| | - Jiaoyan Ren
- Department of Food Science and Technology, South China University of Technology, Wushan Road 381, Guangzhou, Guangdong, China.
| | - Wenzhen Liao
- Department of Food Science and Technology, South China University of Technology, Wushan Road 381, Guangzhou, Guangdong, China.
| | - Shuwen Liu
- School of Pharmaceutical Sciences, Guangdong Provincial Key Laboratory of New Drug Screening, Southern Medical University, Guangzhou 510515, China.
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Heida T, Neubauer JW, Seuss M, Hauck N, Thiele J, Fery A. Mechanically Defined Microgels by Droplet Microfluidics. MACROMOL CHEM PHYS 2016. [DOI: 10.1002/macp.201600418] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Thomas Heida
- Institute of Physical Chemistry and Polymer Physics; Leibniz-Institut für Polymerforschung Dresden e.V; Hohe Str. 6 01069 Dresden Germany
| | - Jens W. Neubauer
- Institute of Physical Chemistry and Polymer Physics; Leibniz-Institut für Polymerforschung Dresden e.V; Hohe Str. 6 01069 Dresden Germany
| | - Maximilian Seuss
- Institute of Physical Chemistry and Polymer Physics; Leibniz-Institut für Polymerforschung Dresden e.V; Hohe Str. 6 01069 Dresden Germany
| | - Nicolas Hauck
- Institute of Physical Chemistry and Polymer Physics; Leibniz-Institut für Polymerforschung Dresden e.V; Hohe Str. 6 01069 Dresden Germany
- Leibniz Research Cluster (LRC); Leibniz-Institut für Polymerforschung Dresden e.V; Hohe Str. 6 01069 Dresden Germany
| | - Julian Thiele
- Institute of Physical Chemistry and Polymer Physics; Leibniz-Institut für Polymerforschung Dresden e.V; Hohe Str. 6 01069 Dresden Germany
- Leibniz Research Cluster (LRC); Leibniz-Institut für Polymerforschung Dresden e.V; Hohe Str. 6 01069 Dresden Germany
| | - Andreas Fery
- Institute of Physical Chemistry and Polymer Physics; Leibniz-Institut für Polymerforschung Dresden e.V; Hohe Str. 6 01069 Dresden Germany
- Department of Physical Chemistry of Polymeric Materials; Technische Universität Dresden; Hohe Str. 6 01069 Dresden Germany
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Guilak F, Butler DL, Goldstein SA, Baaijens FPT. Biomechanics and mechanobiology in functional tissue engineering. J Biomech 2014; 47:1933-40. [PMID: 24818797 DOI: 10.1016/j.jbiomech.2014.04.019] [Citation(s) in RCA: 131] [Impact Index Per Article: 13.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2014] [Revised: 04/17/2014] [Accepted: 04/17/2014] [Indexed: 12/22/2022]
Abstract
The field of tissue engineering continues to expand and mature, and several products are now in clinical use, with numerous other preclinical and clinical studies underway. However, specific challenges still remain in the repair or regeneration of tissues that serve a predominantly biomechanical function. Furthermore, it is now clear that mechanobiological interactions between cells and scaffolds can critically influence cell behavior, even in tissues and organs that do not serve an overt biomechanical role. Over the past decade, the field of "functional tissue engineering" has grown as a subfield of tissue engineering to address the challenges and questions on the role of biomechanics and mechanobiology in tissue engineering. Originally posed as a set of principles and guidelines for engineering of load-bearing tissues, functional tissue engineering has grown to encompass several related areas that have proven to have important implications for tissue repair and regeneration. These topics include measurement and modeling of the in vivo biomechanical environment; quantitative analysis of the mechanical properties of native tissues, scaffolds, and repair tissues; development of rationale criteria for the design and assessment of engineered tissues; investigation of the effects biomechanical factors on native and repair tissues, in vivo and in vitro; and development and application of computational models of tissue growth and remodeling. Here we further expand this paradigm and provide examples of the numerous advances in the field over the past decade. Consideration of these principles in the design process will hopefully improve the safety, efficacy, and overall success of engineered tissue replacements.
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Affiliation(s)
- Farshid Guilak
- Departments of Orthopaedic Surgery and Biomedical Engineering, Duke University Medical Center, 375 MSRB, Box 3093, Durham, NC 27710, USA.
| | - David L Butler
- Department of Biomedical, Chemical and Environmental Engineering, University of Cincinnati, Cincinnati, OH, USA
| | - Steven A Goldstein
- Department of Orthopaedic Surgery, University of Michigan, Ann Arbor, MI, USA
| | - Frank P T Baaijens
- Institute for Complex Molecular Systems, Eindhoven University of Technology, Eindhoven, The Netherlands
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Boopathy AV, Davis ME. Self-assembling peptide-based delivery of therapeutics for myocardial infarction. Methods Mol Biol 2014; 1141:159-164. [PMID: 24567138 DOI: 10.1007/978-1-4939-0363-4_10] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
Drug and cell delivery systems could be modulated to serve as instructive microenvironments in regenerative medicine. Towards this end, several synthetic biomaterials have been developed to mimic the natural extracellular matrix (ECM) for therapeutic use. These include synthetic polymers, decellularized ECM, self-assembling polymers, and cell-responsive hydrogels with varied applications. Here, we describe the development of a self-assembling peptide hydrogel and its potential use as a cell and growth factor delivery vehicle to the infarcted heart in a rodent model of myocardial infarction.
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Affiliation(s)
- Archana V Boopathy
- Wallace H. Coulter Department of Biomedical Engineering, Emory University and Georgia Institute of Technology, Atlanta, GA, USA
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Kothapalli CR, Kamm RD. 3D matrix microenvironment for targeted differentiation of embryonic stem cells into neural and glial lineages. Biomaterials 2013; 34:5995-6007. [PMID: 23694902 DOI: 10.1016/j.biomaterials.2013.04.042] [Citation(s) in RCA: 90] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2013] [Accepted: 04/23/2013] [Indexed: 12/13/2022]
Abstract
The onset of neurodegenerative disorders is characterized by the progressive dysfunction and loss of subpopulations of specialized cells within specific regions of the central nervous system (CNS). Since CNS has a limited ability for self-repair and regeneration under such conditions, clinical transplantation of stem cells has been explored as an alternative. Although embryonic stem cells (ESCs) offer a promising therapeutic platform to treat a variety of neurodegenerative disorders, the niche microenvironment, which could regulate their differentiation into specialized lineages on demand, needs to be optimized for successful clinical transplantation. Here, we evaluated the synergistic role of matrix microenvironment (type, architecture, composition, stiffness) and signaling molecules (type, dosage) on murine ESC differentiation into specific neural and glial lineages. ESCs were cultured as embryoid bodies on either 2D substrates or within 3D scaffolds, in the presence or absence of retinoic acid (RA) and sonic hedgehog (Shh). Results showed that ESCs maintained their stemness even after 4 days in the absence of exogenous signaling molecules, as evidenced by Oct-4 staining. RA at 1 μM dosage was deemed optimal for neural differentiation and neurite outgrowth on collagen-1 coated substrates. Significant neural differentiation with robust neurite outgrowth and branching was evident only on collagen-1 coated 2D substrates and within 3D matrigel scaffolds, in the presence of 1 μM RA. Blocking α6 or β1 integrin subunits on differentiating cells inhibited matrigel-induced effects on neural differentiation and neurite outgrowth. Hydrogel concentration strongly regulated formation of neural and astrocyte lineages in 1 μM RA additive cultures. When RA and Shh were provided, either alone or together, 3D collagen-1 scaffolds enhanced significant motor neuron formation, while 3D matrigel stimulated dopaminergic neuron differentiation. These results suggest a synergistic role of microenvironmental cues for ESC differentiation and maturation, with potential applications in cell transplantation therapy.
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Affiliation(s)
- Chandrasekhar R Kothapalli
- Department of Chemical and Biomedical Engineering, Cleveland State University, Cleveland, OH 44115, USA.
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