1
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McAndrews KM, Mahadevan KK, Kalluri R. Mouse Models to Evaluate the Functional Role of the Tumor Microenvironment in Cancer Progression and Therapy Responses. Cold Spring Harb Perspect Med 2024; 14:a041411. [PMID: 38191175 PMCID: PMC11216184 DOI: 10.1101/cshperspect.a041411] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2024]
Abstract
The tumor microenvironment (TME) is a complex ecosystem of both cellular and noncellular components that functions to impact the evolution of cancer. Various aspects of the TME have been targeted for the control of cancer; however, TME composition is dynamic, with the overall abundance of immune cells, endothelial cells (ECs), fibroblasts, and extracellular matrix (ECM) as well as subsets of TME components changing at different stages of progression and in response to therapy. To effectively treat cancer, an understanding of the functional role of the TME is needed. Genetically engineered mouse models have enabled comprehensive insight into the complex interactions within the TME ecosystem that regulate disease progression. Here, we review recent advances in mouse models that have been employed to understand how the TME regulates cancer initiation, progression, metastasis, and response to therapy.
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Affiliation(s)
- Kathleen M McAndrews
- Department of Cancer Biology, Metastasis Research Center, University of Texas MD Anderson Cancer Center, Houston, Texas 77054, USA
| | - Krishnan K Mahadevan
- Department of Cancer Biology, Metastasis Research Center, University of Texas MD Anderson Cancer Center, Houston, Texas 77054, USA
| | - Raghu Kalluri
- Department of Cancer Biology, Metastasis Research Center, University of Texas MD Anderson Cancer Center, Houston, Texas 77054, USA
- Department of Bioengineering, Rice University, Houston, Texas 77251, USA
- Department of Molecular and Cellular Biology, Baylor College of Medicine, Houston, Texas 77030, USA
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2
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Duran P, Yang BA, Plaster E, Eiken M, Loebel C, Aguilar CA. Tracking of Nascent Matrix Deposition during Muscle Stem Cell Activation across Lifespan Using Engineered Hydrogels. Adv Biol (Weinh) 2024; 8:e2400091. [PMID: 38616175 DOI: 10.1002/adbi.202400091] [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: 02/18/2024] [Revised: 03/22/2024] [Indexed: 04/16/2024]
Abstract
Adult stem cells occupy a niche that contributes to their function, but how stem cells rebuild their microenvironment after injury remains an open-ended question. Herein, biomaterial-based systems and metabolic labeling are utilized to evaluate how skeletal muscle stem cells deposit extracellular matrix. Muscle stem cells and committed myoblasts are observed to generate less nascent matrix than muscle resident fibro-adipogenic progenitors. When cultured on substrates that matched the stiffness of physiological uninjured and injured muscles, muscle stem cells increased nascent matrix deposition with activation kinetics. Reducing the ability to deposit nascent matrix by an inhibitor of vesicle trafficking (Exo-1) attenuated muscle stem cell function and mimicked impairments observed from muscle stem cells isolated from old muscles. Old muscle stem cells are observed to deposit less nascent matrix than young muscle stem cells, which is rescued with therapeutic supplementation of insulin-like growth factors. These results highlight the role of nascent matrix production with muscle stem cell activation.
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Affiliation(s)
- Pamela Duran
- Department of Biomedical Engineering, University of Michigan, Ann Arbor, MI, 48109, USA
- BioInterfaces Institute, University of Michigan, Ann Arbor, MI, 48109, USA
| | - Benjamin A Yang
- Department of Biomedical Engineering, University of Michigan, Ann Arbor, MI, 48109, USA
- BioInterfaces Institute, University of Michigan, Ann Arbor, MI, 48109, USA
| | - Eleanor Plaster
- Department of Biomedical Engineering, University of Michigan, Ann Arbor, MI, 48109, USA
| | - Madeline Eiken
- Department of Biomedical Engineering, University of Michigan, Ann Arbor, MI, 48109, USA
| | - Claudia Loebel
- Department of Biomedical Engineering, University of Michigan, Ann Arbor, MI, 48109, USA
- Department of Materials Science & Engineering, University of Michigan, Ann Arbor, MI, 48109, USA
| | - Carlos A Aguilar
- Department of Biomedical Engineering, University of Michigan, Ann Arbor, MI, 48109, USA
- BioInterfaces Institute, University of Michigan, Ann Arbor, MI, 48109, USA
- Program in Cellular and Molecular Biology, University of Michigan, Ann Arbor, MI, 48109, USA
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3
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Steltzer SS, Abraham AC, Killian ML. Interfacial Tissue Regeneration with Bone. Curr Osteoporos Rep 2024; 22:290-298. [PMID: 38358401 PMCID: PMC11060924 DOI: 10.1007/s11914-024-00859-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 01/29/2024] [Indexed: 02/16/2024]
Abstract
PURPOSE OF REVIEW Interfacial tissue exists throughout the body at cartilage-to-bone (osteochondral interface) and tendon-to-bone (enthesis) interfaces. Healing of interfacial tissues is a current challenge in regenerative approaches because the interface plays a critical role in stabilizing and distributing the mechanical stress between soft tissues (e.g., cartilage and tendon) and bone. The purpose of this review is to identify new directions in the field of interfacial tissue development and physiology that can guide future regenerative strategies for improving post-injury healing. RECENT FINDINGS Cues from interfacial tissue development may guide regeneration including biological cues such as cell phenotype and growth factor signaling; structural cues such as extracellular matrix (ECM) deposition, ECM, and cell alignment; and mechanical cues such as compression, tension, shear, and the stiffness of the cellular microenvironment. In this review, we explore new discoveries in the field of interfacial biology related to ECM remodeling, cellular metabolism, and fate. Based on emergent findings across multiple disciplines, we lay out a framework for future innovations in the design of engineered strategies for interface regeneration. Many of the key mechanisms essential for interfacial tissue development and adaptation have high potential for improving outcomes in the clinic.
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Affiliation(s)
- Stephanie S Steltzer
- Department of Orthopaedic Surgery, University of Michigan Medical School, Ann Arbor, MI, USA
- Department of Molecular & Integrative Physiology, University of Michigan Medical School, Ann Arbor, MI, USA
| | - Adam C Abraham
- Department of Orthopaedic Surgery, University of Michigan Medical School, Ann Arbor, MI, USA
| | - Megan L Killian
- Department of Orthopaedic Surgery, University of Michigan Medical School, Ann Arbor, MI, USA.
- Department of Molecular & Integrative Physiology, University of Michigan Medical School, Ann Arbor, MI, USA.
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4
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Eiken MK, Childs CJ, Brastrom LK, Frum T, Plaster EM, Shachaf O, Pfeiffer S, Levine JE, Alysandratos KD, Kotton DN, Spence JR, Loebel C. Nascent matrix deposition supports alveolar organoid formation from aggregates in synthetic hydrogels. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.03.19.585720. [PMID: 38562781 PMCID: PMC10983987 DOI: 10.1101/2024.03.19.585720] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/04/2024]
Abstract
Human induced pluripotent stem cell (iPSC) derived alveolar organoids have emerged as a system to model the alveolar epithelium in homeostasis and disease. However, alveolar organoids are typically grown in Matrigel, a mouse-sarcoma derived basement membrane matrix that offers poor control over matrix properties, prompting the development of synthetic hydrogels as a Matrigel alternative. Here, we develop a two-step culture method that involves pre-aggregation of organoids in hydrogel-based microwells followed by embedding in a synthetic hydrogel that supports alveolar organoid growth, while also offering considerable control over organoid and hydrogel properties. We find that the aggregated organoids secrete their own nascent extracellular matrix (ECM) both in the microwells and upon embedding in the synthetic hydrogels. Thus, the synthetic gels described here allow us to de-couple exogenous and nascent ECM in order to interrogate the role of ECM in organoid formation.
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Affiliation(s)
- Madeline K. Eiken
- Department of Biomedical Engineering, University of Michigan, Ann Arbor, USA
| | - Charlie J. Childs
- Department of Cell and Developmental Biology, University of Michigan Medical School, Ann Arbor, MI, USA
- Department of Computational Medicine and Bioinformatics, University of Michigan Medical School, Ann Arbor, MI, USA
| | - Lindy K. Brastrom
- Department of Internal Medicine, University of Michigan Medical School, Ann Arbor, MI, USA
| | - Tristan Frum
- Department of Internal Medicine, University of Michigan Medical School, Ann Arbor, MI, USA
| | - Eleanor M. Plaster
- Department of Biomedical Engineering, University of Michigan, Ann Arbor, USA
| | - Orren Shachaf
- Department of Biomedical Engineering, University of Texas, Austin, TX, USA
| | - Suzanne Pfeiffer
- Department of Biomedical Engineering, University of Michigan, Ann Arbor, USA
| | - Justin E. Levine
- Department of Biomedical Engineering, University of Michigan, Ann Arbor, USA
| | - Konstantinos-Dionysios Alysandratos
- Center for Regenerative Medicine, Boston University and Boston Medical Center, Boston, MA 02118, USA
- The Pulmonary Center and Department of Medicine, Boston University Chobanian & Avedisian School of Medicine, Boston, MA 02118, USA
| | - Darrell N. Kotton
- Center for Regenerative Medicine, Boston University and Boston Medical Center, Boston, MA 02118, USA
- The Pulmonary Center and Department of Medicine, Boston University Chobanian & Avedisian School of Medicine, Boston, MA 02118, USA
| | - Jason R. Spence
- Department of Biomedical Engineering, University of Michigan, Ann Arbor, USA
- Department of Cell and Developmental Biology, University of Michigan Medical School, Ann Arbor, MI, USA
- Department of Internal Medicine, University of Michigan Medical School, Ann Arbor, MI, USA
- Program in Cell and Molecular Biology, University of Michigan Medical School, Ann Arbor, MI, USA
| | - Claudia Loebel
- Department of Biomedical Engineering, University of Michigan, Ann Arbor, USA
- Department of Materials Science and Engineering, University of Michigan, Ann Arbor, MI, USA
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5
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Jacobson KR, Saleh AM, Lipp SN, Tian C, Watson AR, Luetkemeyer CM, Ocken AR, Spencer SL, Kinzer-Ursem TL, Calve S. Extracellular matrix protein composition dynamically changes during murine forelimb development. iScience 2024; 27:108838. [PMID: 38303699 PMCID: PMC10831947 DOI: 10.1016/j.isci.2024.108838] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2023] [Revised: 10/02/2023] [Accepted: 01/03/2024] [Indexed: 02/03/2024] Open
Abstract
The extracellular matrix (ECM) is an integral part of multicellular organisms, connecting different cell layers and tissue types. During morphogenesis and growth, tissues undergo substantial reorganization. While it is intuitive that the ECM remodels in concert, little is known regarding how matrix composition and organization change during development. Here, we quantified ECM protein dynamics in the murine forelimb during appendicular musculoskeletal morphogenesis (embryonic days 11.5-14.5) using tissue fractionation, bioorthogonal non-canonical amino acid tagging, and mass spectrometry. Our analyses indicated that ECM protein (matrisome) composition in the embryonic forelimb changed as a function of development and growth, was distinct from other developing organs (brain), and was altered in a model of disease (osteogenesis imperfecta murine). Additionally, the tissue distribution for select matrisome was assessed via immunohistochemistry in the wild-type embryonic and postnatal musculoskeletal system. This resource will guide future research investigating the role of the matrisome during complex tissue development.
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Affiliation(s)
- Kathryn R. Jacobson
- Purdue University Interdisciplinary Life Science Program, Purdue University, West Lafayette, IN 47907, USA
- Department of Agricultural and Biological Engineering, Purdue University, West Lafayette, IN 47907, USA
| | - Aya M. Saleh
- Weldon School of Biomedical Engineering, Purdue University, West Lafayette, IN 47907, USA
| | - Sarah N. Lipp
- Weldon School of Biomedical Engineering, Purdue University, West Lafayette, IN 47907, USA
- The Indiana University Medical Scientist/Engineer Training Program, Indiana University, Indianapolis, IN 46202, USA
| | - Chengzhe Tian
- Department of Biochemistry, University of Colorado Boulder, Boulder, CO 80303, USA
- BioFrontiers Institute, University of Colorado Boulder, Boulder, CO 80303, USA
- Research Center for Molecular Medicine (CEMM) of the Austrian Academy of Sciences, Vienna, Austria
| | - Audrey R. Watson
- Department of Biochemistry, University of Colorado Boulder, Boulder, CO 80303, USA
- BioFrontiers Institute, University of Colorado Boulder, Boulder, CO 80303, USA
| | - Callan M. Luetkemeyer
- Paul M. Rady Department of Mechanical Engineering, University of Colorado Boulder, Boulder, CO 80309, USA
| | - Alexander R. Ocken
- Weldon School of Biomedical Engineering, Purdue University, West Lafayette, IN 47907, USA
| | - Sabrina L. Spencer
- Department of Biochemistry, University of Colorado Boulder, Boulder, CO 80303, USA
- BioFrontiers Institute, University of Colorado Boulder, Boulder, CO 80303, USA
| | - Tamara L. Kinzer-Ursem
- Purdue University Interdisciplinary Life Science Program, Purdue University, West Lafayette, IN 47907, USA
- Weldon School of Biomedical Engineering, Purdue University, West Lafayette, IN 47907, USA
| | - Sarah Calve
- Purdue University Interdisciplinary Life Science Program, Purdue University, West Lafayette, IN 47907, USA
- Weldon School of Biomedical Engineering, Purdue University, West Lafayette, IN 47907, USA
- BioFrontiers Institute, University of Colorado Boulder, Boulder, CO 80303, USA
- Paul M. Rady Department of Mechanical Engineering, University of Colorado Boulder, Boulder, CO 80309, USA
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6
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Duran P, Yang BA, Plaster E, Eiken M, Loebel C, Aguilar CA. Quantification of local matrix deposition during muscle stem cell activation using engineered hydrogels. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.01.20.576326. [PMID: 38328131 PMCID: PMC10849481 DOI: 10.1101/2024.01.20.576326] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/09/2024]
Abstract
Adult stem cells occupy a niche that contributes to their function, but how stem cells remodel their microenvironment remains an open-ended question. Herein, biomaterials-based systems and metabolic labeling were utilized to evaluate how skeletal muscle stem cells deposit extracellular matrix. Muscle stem cells and committed myoblasts were observed to generate less nascent matrix than muscle resident fibro-adipogenic progenitors. When cultured on substrates that matched the stiffness of physiological uninjured and injured muscles, the increased nascent matrix deposition was associated with stem cell activation. Reducing the ability to deposit nascent matrix in muscle stem cells attenuated function and mimicked impairments observed from muscle stem cells isolated from old aged muscles, which could be rescued with therapeutic supplementation of insulin-like growth factors. These results highlight how nascent matrix production is critical for maintaining healthy stem cell function.
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Affiliation(s)
- Pamela Duran
- Dept. of Biomedical Engineering, University of Michigan, Ann Arbor, MI 48109, USA
- BioInterfaces Institute, University of Michigan, Ann Arbor, MI 48109, USA
| | - Benjamin A. Yang
- Dept. of Biomedical Engineering, University of Michigan, Ann Arbor, MI 48109, USA
- BioInterfaces Institute, University of Michigan, Ann Arbor, MI 48109, USA
| | - Eleanor Plaster
- Dept. of Biomedical Engineering, University of Michigan, Ann Arbor, MI 48109, USA
| | - Madeline Eiken
- Dept. of Biomedical Engineering, University of Michigan, Ann Arbor, MI 48109, USA
| | - Claudia Loebel
- Dept. of Biomedical Engineering, University of Michigan, Ann Arbor, MI 48109, USA
- Dept. of Materials Science & Engineering, University of Michigan, Ann Arbor, MI 48109, USA
| | - Carlos A. Aguilar
- Dept. of Biomedical Engineering, University of Michigan, Ann Arbor, MI 48109, USA
- BioInterfaces Institute, University of Michigan, Ann Arbor, MI 48109, USA
- Program in Cellular and Molecular Biology, University of Michigan, Ann Arbor, MI 48109, USA
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7
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Tavakoli S, Evans A, Oommen OP, Creemers L, Nandi JB, Hilborn J, Varghese OP. Unveiling extracellular matrix assembly: Insights and approaches through bioorthogonal chemistry. Mater Today Bio 2023; 22:100768. [PMID: 37600348 PMCID: PMC10432810 DOI: 10.1016/j.mtbio.2023.100768] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2023] [Revised: 08/05/2023] [Accepted: 08/06/2023] [Indexed: 08/22/2023] Open
Abstract
Visualizing cells, tissues, and their components specifically without interference with cellular functions, such as biochemical reactions, and cellular viability remains important for biomedical researchers worldwide. For an improved understanding of disease progression, tissue formation during development, and tissue regeneration, labeling extracellular matrix (ECM) components secreted by cells persists is required. Bioorthogonal chemistry approaches offer solutions to visualizing and labeling ECM constituents without interfering with other chemical or biological events. Although biorthogonal chemistry has been studied extensively for several applications, this review summarizes the recent advancements in using biorthogonal chemistry specifically for metabolic labeling and visualization of ECM proteins and glycosaminoglycans that are secreted by cells and living tissues. Challenges, limitations, and future directions surrounding biorthogonal chemistry involved in the labeling of ECM components are discussed. Finally, potential solutions for improvements to biorthogonal chemical approaches are suggested. This would provide theoretical guidance for labeling and visualization of de novo proteins and polysaccharides present in ECM that are cell-secreted for example during tissue remodeling or in vitro differentiation of stem cells.
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Affiliation(s)
- Shima Tavakoli
- Macromolecular Chemistry Division, Department of Chemistry–Ångström Laboratory, Uppsala University, 751 21, Uppsala, Sweden
| | - Austin Evans
- Bioengineering and Nanomedicine Group, Faculty of Medicine and Health Technologies, Tampere University, 33720, Tampere, Finland
| | - Oommen P. Oommen
- Bioengineering and Nanomedicine Group, Faculty of Medicine and Health Technologies, Tampere University, 33720, Tampere, Finland
| | - Laura Creemers
- Department of Orthopedics, University Medical Center Utrecht, 3584, CX, Utrecht, the Netherlands
| | - Jharna Barman Nandi
- Department of Chemistry, Sarojini Naidu College for Women, 30 Jessore Road, Kolkata, 700028, India
| | - Jöns Hilborn
- Macromolecular Chemistry Division, Department of Chemistry–Ångström Laboratory, Uppsala University, 751 21, Uppsala, Sweden
| | - Oommen P. Varghese
- Macromolecular Chemistry Division, Department of Chemistry–Ångström Laboratory, Uppsala University, 751 21, Uppsala, Sweden
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8
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Locke RC, Zlotnick HM, Stoeckl BD, Fryhofer GW, Galarraga JH, Dhand AP, Zgonis MH, Carey JL, Burdick JA, Mauck RL. Linguistic Analysis Identifies Emergent Biomaterial Fabrication Trends for Orthopaedic Applications. Adv Healthc Mater 2023; 12:e2202591. [PMID: 36657736 PMCID: PMC10121863 DOI: 10.1002/adhm.202202591] [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: 10/09/2022] [Revised: 12/20/2022] [Indexed: 01/21/2023]
Abstract
The expanse of publications in tissue engineering (TE) and orthopedic TE (OTE) over the past 20 years presents an opportunity to probe emergent trends in the field to better guide future technologies that can make an impact on musculoskeletal therapies. Leveraging this trove of knowledge, a hierarchical systematic search method and trend analysis using connected network mapping of key terms is developed. Within discrete time intervals, an accelerated publication rate for anatomic orthopedic tissue engineering (AOTE) of osteochondral defects, tendons, menisci, and entheses is identified. Within these growing fields, the top-listed key terms are extracted and stratified into evident categories, such as biomaterials, delivery method, or 3D printing and biofabrication. It is then identified which categories decreased, remained constant, increased, or emerged over time, identifying the specific emergent categories currently driving innovation in orthopedic repair technologies. Together, these data demonstrate a significant convergence of material types and descriptors used across tissue types. From this convergence, design criteria to support future research of anatomic constructs that mimic both the form and function of native tissues are formulated. In summary, this review identifies large-scale trends and predicts new directions in orthopedics that will define future materials and technologies.
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Affiliation(s)
- Ryan C. Locke
- Department of Orthopaedic Surgery, University of Pennsylvania, Philadelphia, PA, USA
- Department of Veterans Affairs, CMCVAMC, Philadelphia, PA, USA
| | - Hannah M. Zlotnick
- Department of Orthopaedic Surgery, University of Pennsylvania, Philadelphia, PA, USA
- Department of Bioengineering, University of Pennsylvania, Philadelphia, PA, USA
- Department of Veterans Affairs, CMCVAMC, Philadelphia, PA, USA
| | - Brendan D. Stoeckl
- Department of Orthopaedic Surgery, University of Pennsylvania, Philadelphia, PA, USA
- Department of Bioengineering, University of Pennsylvania, Philadelphia, PA, USA
- Department of Veterans Affairs, CMCVAMC, Philadelphia, PA, USA
| | - George W. Fryhofer
- Department of Orthopaedic Surgery, University of Pennsylvania, Philadelphia, PA, USA
| | | | - Abhishek P. Dhand
- Department of Bioengineering, University of Pennsylvania, Philadelphia, PA, USA
| | - Miltiadis H. Zgonis
- Department of Orthopaedic Surgery, University of Pennsylvania, Philadelphia, PA, USA
| | - James L. Carey
- Department of Orthopaedic Surgery, University of Pennsylvania, Philadelphia, PA, USA
| | - Jason A. Burdick
- Department of Chemical and Biological Engineering, University of Colorado, Boulder, CO, USA
- BioFrontiers Institute, University of Colorado, Boulder, CO, USA
| | - Robert L. Mauck
- Department of Orthopaedic Surgery, University of Pennsylvania, Philadelphia, PA, USA
- Department of Bioengineering, University of Pennsylvania, Philadelphia, PA, USA
- Department of Veterans Affairs, CMCVAMC, Philadelphia, PA, USA
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9
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Blatchley MR, Anseth KS. Middle-out methods for spatiotemporal tissue engineering of organoids. NATURE REVIEWS BIOENGINEERING 2023; 1:329-345. [PMID: 37168734 PMCID: PMC10010248 DOI: 10.1038/s44222-023-00039-3] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Accepted: 02/03/2023] [Indexed: 05/13/2023]
Abstract
Organoids recapitulate many aspects of the complex three-dimensional (3D) organization found within native tissues and even display tissue and organ-level functionality. Traditional approaches to organoid culture have largely employed a top-down tissue engineering strategy, whereby cells are encapsulated in a 3D matrix, such as Matrigel, alongside well-defined biochemical cues that direct morphogenesis. However, the lack of spatiotemporal control over niche properties renders cellular processes largely stochastic. Therefore, bottom-up tissue engineering approaches have evolved to address some of these limitations and focus on strategies to assemble tissue building blocks with defined multi-scale spatial organization. However, bottom-up design reduces the capacity for self-organization that underpins organoid morphogenesis. Here, we introduce an emerging framework, which we term middle-out strategies, that relies on existing design principles and combines top-down design of defined synthetic matrices that support proliferation and self-organization with bottom-up modular engineered intervention to limit the degrees of freedom in the dynamic process of organoid morphogenesis. We posit that this strategy will provide key advances to guide the growth of organoids with precise geometries, structures and function, thereby facilitating an unprecedented level of biomimicry to accelerate the utility of organoids to more translationally relevant applications.
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Affiliation(s)
- Michael R. Blatchley
- Department of Chemical and Biological Engineering, University of Colorado Boulder, Boulder, CO USA
- The BioFrontiers Institute, University of Colorado Boulder, Boulder, CO USA
| | - Kristi S. Anseth
- Department of Chemical and Biological Engineering, University of Colorado Boulder, Boulder, CO USA
- The BioFrontiers Institute, University of Colorado Boulder, Boulder, CO USA
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10
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Conley BM, Yang L, Bhujel B, Luo J, Han I, Lee KB. Development of a Nanohybrid Peptide Hydrogel for Enhanced Intervertebral Disc Repair and Regeneration. ACS NANO 2023; 17:3750-3764. [PMID: 36780291 DOI: 10.1021/acsnano.2c11441] [Citation(s) in RCA: 16] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
Effective therapeutic approaches to overcome the heterogeneous pro-inflammatory and inhibitory extracellular matrix (ECM) microenvironment are urgently needed to achieve robust structural and functional repair of severely wounded fibrocartilaginous tissues. Herein we developed a dynamic and multifunctional nanohybrid peptide hydrogel (NHPH) through hierarchical self-assembly of peptide amphiphile modified with biodegradable two-dimensional nanomaterials with enzyme-like functions. NHPH is not only injectable, biocompatible, and biodegradable but also therapeutic by catalyzing the scavenging of pro-inflammatory reactive oxygen species and promoting ECM remodeling. In addition, our NHPH method facilitated the structural and functional recovery of the intervertebral disc (IVD) after severe injuries by delivering pro-regenerative cytokines in a sustained manner, effectively suppressing immune responses and eventually restoring the regenerative microenvironment of the ECM. In parallel, the NHPH-enhanced nucleus pulposus cell differentiation and pain reduction in a rat nucleotomy model further validated the therapeutic potential of NHPH. Collectively, our advanced nanoscaffold technology will provide an alternative approach for the effective treatment of IVD degeneration as well as other fibrocartilaginous tissue injuries.
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Affiliation(s)
- Brian M Conley
- Department of Chemistry and Chemical Biology, Rutgers, The State University of New Jersey, 123 Bevier Road, Piscataway, New Jersey 08854, United States
| | - Letao Yang
- Department of Chemistry and Chemical Biology, Rutgers, The State University of New Jersey, 123 Bevier Road, Piscataway, New Jersey 08854, United States
| | - Basanta Bhujel
- Department of Neurosurgery, CHA University School of Medicine, Yatap-ro 59, Bundang-gu, Seongnam-si, Gyeonggi-do 13497, Korea
| | - Jeffrey Luo
- Department of Chemistry and Chemical Biology, Rutgers, The State University of New Jersey, 123 Bevier Road, Piscataway, New Jersey 08854, United States
| | - Inbo Han
- Department of Neurosurgery, CHA University School of Medicine, Yatap-ro 59, Bundang-gu, Seongnam-si, Gyeonggi-do 13497, Korea
| | - Ki-Bum Lee
- Department of Chemistry and Chemical Biology, Rutgers, The State University of New Jersey, 123 Bevier Road, Piscataway, New Jersey 08854, United States
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11
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O'Connell CD, Duchi S, Onofrillo C, Caballero-Aguilar LM, Trengove A, Doyle SE, Zywicki WJ, Pirogova E, Di Bella C. Within or Without You? A Perspective Comparing In Situ and Ex Situ Tissue Engineering Strategies for Articular Cartilage Repair. Adv Healthc Mater 2022; 11:e2201305. [PMID: 36541723 DOI: 10.1002/adhm.202201305] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2022] [Revised: 10/21/2022] [Indexed: 11/23/2022]
Abstract
Human articular cartilage has a poor ability to self-repair, meaning small injuries often lead to osteoarthritis, a painful and debilitating condition which is a major contributor to the global burden of disease. Existing clinical strategies generally do not regenerate hyaline type cartilage, motivating research toward tissue engineering solutions. Prospective cartilage tissue engineering therapies can be placed into two broad categories: i) Ex situ strategies, where cartilage tissue constructs are engineered in the lab prior to implantation and ii) in situ strategies, where cells and/or a bioscaffold are delivered to the defect site to stimulate chondral repair directly. While commonalities exist between these two approaches, the core point of distinction-whether chondrogenesis primarily occurs "within" or "without" (outside) the body-can dictate many aspects of the treatment. This difference influences decisions around cell selection, the biomaterials formulation and the surgical implantation procedure, the processes of tissue integration and maturation, as well as, the prospects for regulatory clearance and clinical translation. Here, ex situ and in situ cartilage engineering strategies are compared: Highlighting their respective challenges, opportunities, and prospects on their translational pathways toward long term human cartilage repair.
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Affiliation(s)
- Cathal D O'Connell
- Discipline of Electrical and Biomedical Engineering, RMIT University, Melbourne, Victoria, 3000, Australia.,Aikenhead Centre for Medical Discovery (ACMD), St Vincent's Hospital Melbourne, Fitzroy, Victoria, 3065, Australia
| | - Serena Duchi
- Aikenhead Centre for Medical Discovery (ACMD), St Vincent's Hospital Melbourne, Fitzroy, Victoria, 3065, Australia.,Department of Surgery, St Vincent's Hospital, University of Melbourne, Fitzroy, Victoria, 3065, Australia
| | - Carmine Onofrillo
- Aikenhead Centre for Medical Discovery (ACMD), St Vincent's Hospital Melbourne, Fitzroy, Victoria, 3065, Australia.,Department of Surgery, St Vincent's Hospital, University of Melbourne, Fitzroy, Victoria, 3065, Australia
| | - Lilith M Caballero-Aguilar
- Aikenhead Centre for Medical Discovery (ACMD), St Vincent's Hospital Melbourne, Fitzroy, Victoria, 3065, Australia.,School of Science, Computing and Engineering Technologies, Swinburne University of Technology, Melbourne, Victoria, 3122, Australia
| | - Anna Trengove
- Aikenhead Centre for Medical Discovery (ACMD), St Vincent's Hospital Melbourne, Fitzroy, Victoria, 3065, Australia.,Department of Biomedical Engineering, University of Melbourne, Melbourne, Victoria, 3010, Australia
| | - Stephanie E Doyle
- Discipline of Electrical and Biomedical Engineering, RMIT University, Melbourne, Victoria, 3000, Australia.,Aikenhead Centre for Medical Discovery (ACMD), St Vincent's Hospital Melbourne, Fitzroy, Victoria, 3065, Australia
| | - Wiktor J Zywicki
- Aikenhead Centre for Medical Discovery (ACMD), St Vincent's Hospital Melbourne, Fitzroy, Victoria, 3065, Australia.,Department of Biomedical Engineering, University of Melbourne, Melbourne, Victoria, 3010, Australia
| | - Elena Pirogova
- Discipline of Electrical and Biomedical Engineering, RMIT University, Melbourne, Victoria, 3000, Australia
| | - Claudia Di Bella
- Aikenhead Centre for Medical Discovery (ACMD), St Vincent's Hospital Melbourne, Fitzroy, Victoria, 3065, Australia.,Department of Surgery, St Vincent's Hospital, University of Melbourne, Fitzroy, Victoria, 3065, Australia.,Department of Medicine, St Vincent's Hospital Melbourne, Fitzroy, Victoria, 3065, Australia
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Sari B, Isik M, Eylem CC, Kilic C, Okesola BO, Karakaya E, Emregul E, Nemutlu E, Derkus B. Omics Technologies for High-Throughput-Screening of Cell-Biomaterial Interactions. Mol Omics 2022; 18:591-615. [DOI: 10.1039/d2mo00060a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Recent research effort in biomaterial development has largely focused on engineering bio-instructive materials to stimulate specific cell signaling. Assessing the biological performance of these materials using time-consuming and trial-and-error traditional...
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