151
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Holzapfel BM, Wagner F, Thibaudeau L, Levesque JP, Hutmacher DW. Concise review: humanized models of tumor immunology in the 21st century: convergence of cancer research and tissue engineering. Stem Cells 2016; 33:1696-704. [PMID: 25694194 DOI: 10.1002/stem.1978] [Citation(s) in RCA: 78] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2014] [Accepted: 01/17/2014] [Indexed: 12/13/2022]
Abstract
Despite positive testing in animal studies, more than 80% of novel drug candidates fail to proof their efficacy when tested in humans. This is primarily due to the use of preclinical models that are not able to recapitulate the physiological or pathological processes in humans. Hence, one of the key challenges in the field of translational medicine is to "make the model organism mouse more human." To get answers to questions that would be prognostic of outcomes in human medicine, the mouse's genome can be altered in order to create a more permissive host that allows the engraftment of human cell systems. It has been shown in the past that these strategies can improve our understanding of tumor immunology. However, the translational benefits of these platforms have still to be proven. In the 21st century, several research groups and consortia around the world take up the challenge to improve our understanding of how to humanize the animal's genetic code, its cells and, based on tissue engineering principles, its extracellular microenvironment, its tissues, or entire organs with the ultimate goal to foster the translation of new therapeutic strategies from bench to bedside. This article provides an overview of the state of the art of humanized models of tumor immunology and highlights future developments in the field such as the application of tissue engineering and regenerative medicine strategies to further enhance humanized murine model systems.
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Affiliation(s)
- Boris Michael Holzapfel
- Regenerative Medicine, Institute of Health and Biomedical Innovation, Queensland University of Technology, Kelvin Grove, Brisbane, Queensland, Australia.,Orthopedic Center for Musculoskeletal Research, University of Wuerzburg, Koenig-Ludwig-Haus, Wuerzburg, Germany
| | - Ferdinand Wagner
- Regenerative Medicine, Institute of Health and Biomedical Innovation, Queensland University of Technology, Kelvin Grove, Brisbane, Queensland, Australia.,Department of Orthopedics, University of Regensburg, Asklepios Klinikum Bad Abbach, Bad Abbach, Germany
| | - Laure Thibaudeau
- Regenerative Medicine, Institute of Health and Biomedical Innovation, Queensland University of Technology, Kelvin Grove, Brisbane, Queensland, Australia
| | - Jean-Pierre Levesque
- Stem Cell Biology Group, Blood and Bone Diseases Program, Mater Research Institute, The University of Queensland, Woolloongabba, Brisbane, Queensland, Australia
| | - Dietmar Werner Hutmacher
- Regenerative Medicine, Institute of Health and Biomedical Innovation, Queensland University of Technology, Kelvin Grove, Brisbane, Queensland, Australia.,George W. Woodruff School of Mechanical Engineering, Georgia Institute of Technology, Atlanta, Georgia, USA.,Institute for Advanced Study, Technical University Munich, Garching, Munich, Germany
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152
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Choi JS, Harley BAC. Challenges and Opportunities to Harnessing the (Hematopoietic) Stem Cell Niche. CURRENT STEM CELL REPORTS 2016; 2:85-94. [PMID: 27134819 PMCID: PMC4845958 DOI: 10.1007/s40778-016-0031-y] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
In our body, stem cells reside in a microenvironment termed the niche. While the exact composition and therefore the level of complexity of a stem cell niche can vary significantly tissue-to-tissue, the stem cell niche microenvironment is dynamic, typically containing spatial and temporal variations in both cellular, extracellular matrix, and biomolecular components. This complex flow of secreted or bound biomolecules, cytokines, extracellular matrix components, and cellular constituents all contribute to the regulation of stem cell fate specification events, making engineering approaches at the nano- and micro-scale of particular interest for creating an artificial niche environment in vitro. Recent advances in fabrication approaches have enabled biomedical researchers to capture and recreate the complexity of stem cell niche microenvironments in vitro. Such engineered platforms show promise as a means to enhance our understanding of the mechanisms underlying niche-mediated stem cell regulation as well as offer opportunities to precisely control stem cell expansion and differentiation events for clinical applications. While these principles generally apply to all adult stem cells and niches, in this review, we focus on recent developments in engineering synthetic niche microenvironments for one of the best-characterized stem cell populations, hematopoietic stem cells (HSC). Specifically, we highlight recent advances in platforms designed to facilitate the extrinsic control of HSC fate decisions.
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Affiliation(s)
- Ji Sun Choi
- Dept. Chemical and Biomolecular Engineering, University of Illinois at Urbana-Champaign, Urbana, IL 61801
| | - Brendan A C Harley
- Dept. Chemical and Biomolecular Engineering, University of Illinois at Urbana-Champaign, Urbana, IL 61801; Carl R. Woese Institute for Genomic Biology, University of Illinois at Urbana-Champaign, Urbana, IL 61801
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153
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Affiliation(s)
- Oscar J Abilez
- Stanford Cardiovascular Institute, the Department of Medicine, and the Institute of Stem Cell Biology and Regenerative Medicine, Stanford University School of Medicine, Stanford, California 94305, USA
| | - Joseph C Wu
- Stanford Cardiovascular Institute, the Department of Medicine, and the Institute of Stem Cell Biology and Regenerative Medicine, Stanford University School of Medicine, Stanford, California 94305, USA
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154
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Caiazzo M, Okawa Y, Ranga A, Piersigilli A, Tabata Y, Lutolf MP. Defined three-dimensional microenvironments boost induction of pluripotency. NATURE MATERIALS 2016; 15:344-52. [PMID: 26752655 DOI: 10.1038/nmat4536] [Citation(s) in RCA: 201] [Impact Index Per Article: 25.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/05/2015] [Accepted: 12/08/2015] [Indexed: 05/25/2023]
Abstract
Since the discovery of induced pluripotent stem cells (iPSCs), numerous approaches have been explored to improve the original protocol, which is based on a two-dimensional (2D) cell-culture system. Surprisingly, nothing is known about the effect of a more biologically faithful 3D environment on somatic-cell reprogramming. Here, we report a systematic analysis of how reprogramming of somatic cells occurs within engineered 3D extracellular matrices. By modulating microenvironmental stiffness, degradability and biochemical composition, we have identified a previously unknown role for biophysical effectors in the promotion of iPSC generation. We find that the physical cell confinement imposed by the 3D microenvironment boosts reprogramming through an accelerated mesenchymal-to-epithelial transition and increased epigenetic remodelling. We conclude that 3D microenvironmental signals act synergistically with reprogramming transcription factors to increase somatic plasticity.
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Affiliation(s)
- Massimiliano Caiazzo
- Laboratory of Stem Cell Bioengineering, Institute of Bioengineering, School of Life Sciences (SV) and School of Engineering (STI), Ecole Polytechnique Fédérale de Lausanne (EPFL), 1015 Lausanne, Switzerland
| | - Yuya Okawa
- Laboratory of Stem Cell Bioengineering, Institute of Bioengineering, School of Life Sciences (SV) and School of Engineering (STI), Ecole Polytechnique Fédérale de Lausanne (EPFL), 1015 Lausanne, Switzerland
| | - Adrian Ranga
- Laboratory of Stem Cell Bioengineering, Institute of Bioengineering, School of Life Sciences (SV) and School of Engineering (STI), Ecole Polytechnique Fédérale de Lausanne (EPFL), 1015 Lausanne, Switzerland
| | | | - Yoji Tabata
- Laboratory of Stem Cell Bioengineering, Institute of Bioengineering, School of Life Sciences (SV) and School of Engineering (STI), Ecole Polytechnique Fédérale de Lausanne (EPFL), 1015 Lausanne, Switzerland
| | - Matthias P Lutolf
- Laboratory of Stem Cell Bioengineering, Institute of Bioengineering, School of Life Sciences (SV) and School of Engineering (STI), Ecole Polytechnique Fédérale de Lausanne (EPFL), 1015 Lausanne, Switzerland
- Institute of Chemical Sciences and Engineering, School of Basic Science (SB), EPFL, 1015 Lausanne, Switzerland
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155
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Gaharwar AK, Arpanaei A, Andresen TL, Dolatshahi-Pirouz A. 3D Biomaterial Microarrays for Regenerative Medicine: Current State-of-the-Art, Emerging Directions and Future Trends. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2016; 28:771-781. [PMID: 26607415 DOI: 10.1002/adma.201503918] [Citation(s) in RCA: 58] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/11/2015] [Revised: 08/19/2015] [Indexed: 06/05/2023]
Abstract
Three dimensional (3D) biomaterial microarrays hold enormous promise for regenerative medicine because of their ability to accelerate the design and fabrication of biomimetic materials. Such tissue-like biomaterials can provide an appropriate microenvironment for stimulating and controlling stem cell differentiation into tissue-specific lineages. The use of 3D biomaterial microarrays can, if optimized correctly, result in a more than 1000-fold reduction in biomaterials and cells consumption when engineering optimal materials combinations, which makes these miniaturized systems very attractive for tissue engineering and drug screening applications.
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Affiliation(s)
- Akhilesh K Gaharwar
- Department of Biomedical Engineering, Texas A&M University, College Station, TX, 77843, USA
- Department of Materials Science and Engineering, Texas A&M University, College Station, TX, 77843, USA
| | - Ayyoob Arpanaei
- Department of Industrial and Environmental Biotechnology, National Institute of Genetic Engineering and Biotechnology, Tehran, Iran
| | - Thomas L Andresen
- Technical University of Denmark, DTU Nanotech, Center for Nanomedicine and Theranostics, 2800, Kgs, Denmark
| | - Alireza Dolatshahi-Pirouz
- Technical University of Denmark, DTU Nanotech, Center for Nanomedicine and Theranostics, 2800, Kgs, Denmark
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156
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Yao MH, Yang J, Zhao DH, Xia RX, Jin RM, Zhao YD, Liu B. A facile method to in situ fabricate three dimensional gold nanoparticle micropatterns in a cell-resistant hydrogel. Photochem Photobiol Sci 2016; 15:181-6. [PMID: 26787048 DOI: 10.1039/c5pp00426h] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A facile method for in situ fabrication of three-dimensional gold nanoparticle micropatterns in a cell-resistant polyethylene glycol hydrogel has been developed by combining photochemical synthesis of gold nanoparticles with photolithography technology. The gold nanoparticle micropatterns were further bio-modified with cell integrated polypeptide NcysBRGD based on a gold-thiol bond to improve cell behaviors. Primary cell tests showed that NcysBRGD can enhance cell adhesion very well on the surface of gold nanoparticle micropatterns.
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Affiliation(s)
- Ming-Hao Yao
- Britton Chance Center for Biomedical Photonics at Wuhan National Laboratory for Optoelectronics - Hubei Bioinformatics & Molecular Imaging Key Laboratory, Department of Biomedical Engineering, College of Life Science and Technology, Huazhong University of Science and Technology, Hubei, Wuhan 430074, P. R. China.
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157
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Crowder SW, Leonardo V, Whittaker T, Papathanasiou P, Stevens MM. Material Cues as Potent Regulators of Epigenetics and Stem Cell Function. Cell Stem Cell 2016; 18:39-52. [PMID: 26748755 PMCID: PMC5409508 DOI: 10.1016/j.stem.2015.12.012] [Citation(s) in RCA: 169] [Impact Index Per Article: 21.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
Biophysical signals act as potent regulators of stem cell function, lineage commitment, and epigenetic status. In recent years, synthetic biomaterials have been used to study a wide range of outside-in signaling events, and it is now well appreciated that material cues modulate the epigenome. Here, we review the role of extracellular signals in guiding stem cell behavior via epigenetic regulation, and we stress the role of physicochemical material properties as an often-overlooked modulator of intracellular signaling. We also highlight promising new research tools for ongoing interrogation of the stem cell-material interface.
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Affiliation(s)
- Spencer W Crowder
- Department of Materials, Imperial College London, Prince Consort Road, London SW7 2AZ, UK; Department of Bioengineering, Imperial College London, Prince Consort Road, London SW7 2AZ, UK; Institute for Biomedical Engineering, Imperial College London, Prince Consort Road, London SW7 2AZ, UK
| | - Vincent Leonardo
- Department of Materials, Imperial College London, Prince Consort Road, London SW7 2AZ, UK; Department of Bioengineering, Imperial College London, Prince Consort Road, London SW7 2AZ, UK; Institute for Biomedical Engineering, Imperial College London, Prince Consort Road, London SW7 2AZ, UK
| | - Thomas Whittaker
- Department of Materials, Imperial College London, Prince Consort Road, London SW7 2AZ, UK; Department of Bioengineering, Imperial College London, Prince Consort Road, London SW7 2AZ, UK; Institute for Biomedical Engineering, Imperial College London, Prince Consort Road, London SW7 2AZ, UK
| | - Peter Papathanasiou
- Department of Materials, Imperial College London, Prince Consort Road, London SW7 2AZ, UK
| | - Molly M Stevens
- Department of Materials, Imperial College London, Prince Consort Road, London SW7 2AZ, UK; Department of Bioengineering, Imperial College London, Prince Consort Road, London SW7 2AZ, UK; Institute for Biomedical Engineering, Imperial College London, Prince Consort Road, London SW7 2AZ, UK.
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158
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Balachander GM, Balaji SA, Rangarajan A, Chatterjee K. Enhanced Metastatic Potential in a 3D Tissue Scaffold toward a Comprehensive in Vitro Model for Breast Cancer Metastasis. ACS APPLIED MATERIALS & INTERFACES 2015; 7:27810-27822. [PMID: 26599258 DOI: 10.1021/acsami.5b09064] [Citation(s) in RCA: 58] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
Metastasis is clinically the most challenging and lethal aspect of breast cancer. While animal-based xenograft models are expensive and time-consuming, conventional two-dimensional (2D) cell culture systems fail to mimic in vivo signaling. In this study we have developed a three-dimensional (3D) scaffold system that better mimics the topography and mechanical properties of the breast tumor, thus recreating the tumor microenvironment in vitro to study breast cancer metastasis. Porous poly(ε-caprolactone) (PCL) scaffolds of modulus 7.0 ± 0.5 kPa, comparable to that of breast tumor tissue were fabricated, on which MDA-MB-231 cells proliferated forming tumoroids. A comparative gene expression analysis revealed that cells growing in the scaffolds expressed increased levels of genes implicated in the three major events of metastasis, viz., initiation, progression, and the site-specific colonization compared to cells grown in conventional 2D tissue culture polystyrene (TCPS) dishes. The cells cultured in scaffolds showed increased invasiveness and sphere formation efficiency in vitro and increased lung metastasis in vivo. A global gene expression analysis revealed a significant increase in the expression of genes involved in cell-cell and cell-matrix interactions and tissue remodeling, cancer inflammation, and the PI3K/Akt, Wnt, NF-kappaB, and HIF1 signaling pathways-all of which are implicated in metastasis. Thus, culturing breast cancer cells in 3D scaffolds that mimic the in vivo tumor-like microenvironment enhances their metastatic potential. This system could serve as a comprehensive in vitro model to investigate the manifold mechanisms of breast cancer metastasis.
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Affiliation(s)
- Gowri Manohari Balachander
- Center for Biosystems Science and Engineering, ‡Department of Molecular Reproduction, Development and Genetics, and §Department of Materials Engineering, Indian Institute of Science , Bangalore 560012, India
| | - Sai A Balaji
- Center for Biosystems Science and Engineering, ‡Department of Molecular Reproduction, Development and Genetics, and §Department of Materials Engineering, Indian Institute of Science , Bangalore 560012, India
| | - Annapoorni Rangarajan
- Center for Biosystems Science and Engineering, ‡Department of Molecular Reproduction, Development and Genetics, and §Department of Materials Engineering, Indian Institute of Science , Bangalore 560012, India
| | - Kaushik Chatterjee
- Center for Biosystems Science and Engineering, ‡Department of Molecular Reproduction, Development and Genetics, and §Department of Materials Engineering, Indian Institute of Science , Bangalore 560012, India
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159
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Jung JP, Hu D, Domian IJ, Ogle BM. An integrated statistical model for enhanced murine cardiomyocyte differentiation via optimized engagement of 3D extracellular matrices. Sci Rep 2015; 5:18705. [PMID: 26687770 PMCID: PMC4685314 DOI: 10.1038/srep18705] [Citation(s) in RCA: 44] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2015] [Accepted: 11/24/2015] [Indexed: 01/28/2023] Open
Abstract
The extracellular matrix (ECM) impacts stem cell differentiation, but identifying formulations supportive of differentiation is challenging in 3D models. Prior efforts involving combinatorial ECM arrays seemed intuitively advantageous. We propose an alternative that suggests reducing sample size and technological burden can be beneficial and accessible when coupled to design of experiments approaches. We predict optimized ECM formulations could augment differentiation of cardiomyocytes derived in vitro. We employed native chemical ligation to polymerize 3D poly (ethylene glycol) hydrogels under mild conditions while entrapping various combinations of ECM and murine induced pluripotent stem cells. Systematic optimization for cardiomyocyte differentiation yielded a predicted solution of 61%, 24%, and 15% of collagen type I, laminin-111, and fibronectin, respectively. This solution was confirmed by increased numbers of cardiac troponin T, α-myosin heavy chain and α-sarcomeric actinin-expressing cells relative to suboptimum solutions. Cardiomyocytes of composites exhibited connexin43 expression, appropriate contractile kinetics and intracellular calcium handling. Further, adding a modulator of adhesion, thrombospondin-1, abrogated cardiomyocyte differentiation. Thus, the integrated biomaterial platform statistically identified an ECM formulation best supportive of cardiomyocyte differentiation. In future, this formulation could be coupled with biochemical stimulation to improve functional maturation of cardiomyocytes derived in vitro or transplanted in vivo.
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Affiliation(s)
- Jangwook P Jung
- Department of Biomedical Engineering, University of Minnesota - Twin Cities, Minneapolis, MN 55455, U.S.A.,Stem Cell Institute, University of Minnesota - Twin Cities, Minneapolis, MN 55455, U.S.A
| | - Dongjian Hu
- Cardiovascular Research Center, Massachusetts General Hospital &Harvard Medical School, Boston, MA 02114 U.S.A
| | - Ibrahim J Domian
- Cardiovascular Research Center, Massachusetts General Hospital &Harvard Medical School, Boston, MA 02114 U.S.A
| | - Brenda M Ogle
- Department of Biomedical Engineering, University of Minnesota - Twin Cities, Minneapolis, MN 55455, U.S.A.,Stem Cell Institute, University of Minnesota - Twin Cities, Minneapolis, MN 55455, U.S.A.,Masonic Cancer Center, University of Minnesota - Twin Cities, Minneapolis, MN 55455, U.S.A.,Lillehei Heart Institute, University of Minnesota - Twin Cities, Minneapolis, MN 55455, U.S.A.,Institute for Engineering in Medicine, University of Minnesota - Twin Cities, Minneapolis, MN 55455, U.S.A
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160
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Beachley VZ, Wolf MT, Sadtler K, Manda SS, Jacobs H, Blatchley MR, Bader JS, Pandey A, Pardoll D, Elisseeff JH. Tissue matrix arrays for high-throughput screening and systems analysis of cell function. Nat Methods 2015; 12:1197-204. [PMID: 26480475 PMCID: PMC4666781 DOI: 10.1038/nmeth.3619] [Citation(s) in RCA: 128] [Impact Index Per Article: 14.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2015] [Accepted: 09/02/2015] [Indexed: 02/07/2023]
Abstract
Cell and protein arrays have demonstrated remarkable utility in the high-throughput evaluation of biological responses; however, they lack the complexity of native tissue and organs. Here, we describe tissue extracellular matrix (ECM) arrays for screening biological outputs and systems analysis. We spotted processed tissue ECM particles as two-dimensional arrays or incorporated them with cells to generate three-dimensional cell-matrix microtissue arrays. We then investigated the response of human stem, cancer, and immune cells to tissue ECM arrays originating from 11 different tissues, and validated the 2D and 3D arrays as representative of the in vivo microenvironment through quantitative analysis of tissue-specific cellular responses, including matrix production, adhesion and proliferation, and morphological changes following culture. The biological outputs correlated with tissue proteomics, and network analysis identified several proteins linked to cell function. Our methodology enables broad screening of ECMs to connect tissue-specific composition with biological activity, providing a new resource for biomaterials research and translation.
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Affiliation(s)
- Vince Z Beachley
- Translational Tissue Engineering Center, Wilmer Eye Institute and Department of Biomedical Engineering, Johns Hopkins University, Baltimore, Maryland, USA.,Department of Biomedical Engineering, Rowan University, Glassboro, New Jersey, USA
| | - Matthew T Wolf
- Translational Tissue Engineering Center, Wilmer Eye Institute and Department of Biomedical Engineering, Johns Hopkins University, Baltimore, Maryland, USA
| | - Kaitlyn Sadtler
- Translational Tissue Engineering Center, Wilmer Eye Institute and Department of Biomedical Engineering, Johns Hopkins University, Baltimore, Maryland, USA
| | - Srikanth S Manda
- McKusick-Nathans Institute of Genetic Medicine, Baltimore, Maryland, USA.,Institute of Bioinformatics, International Technology Park, Bangalore, India
| | - Heather Jacobs
- Translational Tissue Engineering Center, Wilmer Eye Institute and Department of Biomedical Engineering, Johns Hopkins University, Baltimore, Maryland, USA
| | - Michael R Blatchley
- Translational Tissue Engineering Center, Wilmer Eye Institute and Department of Biomedical Engineering, Johns Hopkins University, Baltimore, Maryland, USA
| | - Joel S Bader
- High-Throughput Biology Center, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA.,Department of Biomedical Engineering, Johns Hopkins University, Baltimore, Maryland, USA
| | - Akhilesh Pandey
- McKusick-Nathans Institute of Genetic Medicine, Baltimore, Maryland, USA.,Department of Biological Chemistry, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA.,Department of Pathology, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA.,Department of Oncology, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
| | - Drew Pardoll
- Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
| | - Jennifer H Elisseeff
- Translational Tissue Engineering Center, Wilmer Eye Institute and Department of Biomedical Engineering, Johns Hopkins University, Baltimore, Maryland, USA
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161
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Engel BJ, Constantinou PE, Sablatura LK, Doty NJ, Carson DD, Farach-Carson MC, Harrington DA, Zarembinski TI. Multilayered, Hyaluronic Acid-Based Hydrogel Formulations Suitable for Automated 3D High Throughput Drug Screening of Cancer-Stromal Cell Cocultures. Adv Healthc Mater 2015; 4:1664-74. [PMID: 26059746 PMCID: PMC4545642 DOI: 10.1002/adhm.201500258] [Citation(s) in RCA: 40] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2015] [Revised: 05/14/2015] [Indexed: 12/27/2022]
Abstract
Validation of a high-throughput compatible 3D hyaluronic acid hydrogel coculture of cancer cells with stromal cells. The multilayered hyaluronic acid hydrogels improve drug screening predictability as evaluated with a panel of clinically relevant chemotherapeutics in both prostate and endometrial cancer cell lines compared to 2D culture.
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Affiliation(s)
- Brian J Engel
- Department of BioSciences, Rice University, 6100 Main Street, Houston, Texas 77005, USA
| | - Pamela E Constantinou
- Department of BioSciences, Rice University, 6100 Main Street, Houston, Texas 77005, USA
| | - Lindsey K Sablatura
- Department of BioSciences, Rice University, 6100 Main Street, Houston, Texas 77005, USA
| | - Nathaniel J Doty
- BioTime, Incorporated, 1301 Harbor Bay Parkway, Alameda, California 94502, USA
| | - Daniel D Carson
- Department of BioSciences, Rice University, 6100 Main Street, Houston, Texas 77005, USA
| | - Mary C Farach-Carson
- Department of BioSciences, Rice University, 6100 Main Street, Houston, Texas 77005, USA
| | - Daniel A Harrington
- Department of BioSciences, Rice University, 6100 Main Street, Houston, Texas 77005, USA
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162
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Cosson S, Otte EA, Hezaveh H, Cooper-White JJ. Concise review: tailoring bioengineered scaffolds for stem cell applications in tissue engineering and regenerative medicine. Stem Cells Transl Med 2015; 4:156-64. [PMID: 25575526 PMCID: PMC4303362 DOI: 10.5966/sctm.2014-0203] [Citation(s) in RCA: 40] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2014] [Accepted: 12/10/2014] [Indexed: 01/16/2023] Open
Abstract
The potential for the clinical application of stem cells in tissue regeneration is clearly significant. However, this potential has remained largely unrealized owing to the persistent challenges in reproducibly, with tight quality criteria, and expanding and controlling the fate of stem cells in vitro and in vivo. Tissue engineering approaches that rely on reformatting traditional Food and Drug Administration-approved biomedical polymers from fixation devices to porous scaffolds have been shown to lack the complexity required for in vitro stem cell culture models or translation to in vivo applications with high efficacy. This realization has spurred the development of advanced mimetic biomaterials and scaffolds to increasingly enhance our ability to control the cellular microenvironment and, consequently, stem cell fate. New insights into the biology of stem cells are expected to eventuate from these advances in material science, in particular, from synthetic hydrogels that display physicochemical properties reminiscent of the natural cell microenvironment and that can be engineered to display or encode essential biological cues. Merging these advanced biomaterials with high-throughput methods to systematically, and in an unbiased manner, probe the role of scaffold biophysical and biochemical elements on stem cell fate will permit the identification of novel key stem cell behavioral effectors, allow improved in vitro replication of requisite in vivo niche functions, and, ultimately, have a profound impact on our understanding of stem cell biology and unlock their clinical potential in tissue engineering and regenerative medicine.
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Affiliation(s)
- Steffen Cosson
- Tissue Engineering and Microfluidics Laboratory, Australian Institute for Bioengineering and Nanotechnology, University of Queensland, St. Lucia, Queensland, Australia; Commonwealth Scientific and Industrial Research Organization, Material Science and Engineering, Clayton, Victoria, Australia; University of Queensland School of Chemical Engineering, St. Lucia, Queensland, Australia
| | - Ellen A Otte
- Tissue Engineering and Microfluidics Laboratory, Australian Institute for Bioengineering and Nanotechnology, University of Queensland, St. Lucia, Queensland, Australia; Commonwealth Scientific and Industrial Research Organization, Material Science and Engineering, Clayton, Victoria, Australia; University of Queensland School of Chemical Engineering, St. Lucia, Queensland, Australia
| | - Hadi Hezaveh
- Tissue Engineering and Microfluidics Laboratory, Australian Institute for Bioengineering and Nanotechnology, University of Queensland, St. Lucia, Queensland, Australia; Commonwealth Scientific and Industrial Research Organization, Material Science and Engineering, Clayton, Victoria, Australia; University of Queensland School of Chemical Engineering, St. Lucia, Queensland, Australia
| | - Justin J Cooper-White
- Tissue Engineering and Microfluidics Laboratory, Australian Institute for Bioengineering and Nanotechnology, University of Queensland, St. Lucia, Queensland, Australia; Commonwealth Scientific and Industrial Research Organization, Material Science and Engineering, Clayton, Victoria, Australia; University of Queensland School of Chemical Engineering, St. Lucia, Queensland, Australia
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163
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Oliveira MB, Mano JF. High-throughput screening for integrative biomaterials design: exploring advances and new trends. Trends Biotechnol 2014; 32:627-36. [DOI: 10.1016/j.tibtech.2014.09.009] [Citation(s) in RCA: 45] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2014] [Revised: 09/20/2014] [Accepted: 09/25/2014] [Indexed: 12/21/2022]
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164
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Abstract
In May 2014, approximately 200 stem cell scientists from all over world gathered near Copenhagen in Denmark to participate in 'The Stem Cell Niche', part of the Copenhagen Bioscience Conferences series. The meeting covered an array of different stem cell systems from pluripotent stem cells and germ cells to adult stem cells of the lung, liver, muscle, bone and many more. In addition to the stem cell niche, the meeting focused on a number of cutting edge topics such as cell fate transitions and lineage reprogramming, as well as stem cells in ageing and disease, including cancer. This Meeting review describes the exciting work that was presented and some of the themes that emerged from this excellent meeting.
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Affiliation(s)
- Kateri Moore
- Ichan School of Medicine at Mount Sinai, New York, NY, USA
| | - Giulio Cossu
- University of Manchester, Manchester M13 9PL, UK
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165
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Cittadella Vigodarzere G, Mantero S. Skeletal muscle tissue engineering: strategies for volumetric constructs. Front Physiol 2014; 5:362. [PMID: 25295011 PMCID: PMC4170101 DOI: 10.3389/fphys.2014.00362] [Citation(s) in RCA: 66] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2014] [Accepted: 09/03/2014] [Indexed: 12/21/2022] Open
Abstract
Skeletal muscle tissue is characterized by high metabolic requirements, defined structure and high regenerative potential. As such, it constitutes an appealing platform for tissue engineering to address volumetric defects, as proven by recent works in this field. Several issues common to all engineered constructs constrain the variety of tissues that can be realized in vitro, principal among them the lack of a vascular system and the absence of reliable cell sources; as it is, the only successful tissue engineering constructs are not characterized by active function, present limited cellular survival at implantation and possess low metabolic requirements. Recently, functionally competent constructs have been engineered, with vascular structures supporting their metabolic requirements. In addition to the use of biochemical cues, physical means, mechanical stimulation and the application of electric tension have proven effective in stimulating the differentiation of cells and the maturation of the constructs; while the use of co-cultures provided fine control of cellular developments through paracrine activity. This review will provide a brief analysis of some of the most promising improvements in the field, with particular attention to the techniques that could prove easily transferable to other branches of tissue engineering.
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Affiliation(s)
| | - Sara Mantero
- Department of Chemistry, Materials and Chemical Engineering "Giulio Natta", Politecnico di Milano Milano, Italy
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