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Krieghoff J, Kascholke C, Loth R, Starke A, Koenig A, Schulz-Siegmund M, Hacker MC. Composition-controlled degradation behavior of macroporous scaffolds from three-armed biodegradable macromers. Polym Degrad Stab 2022. [DOI: 10.1016/j.polymdegradstab.2021.109775] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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Krieghoff J, Gronbach M, Schulz-Siegmund M, Hacker MC. Biodegradable macromers for implant bulk and surface engineering. Biol Chem 2021; 402:1357-1374. [PMID: 34433237 DOI: 10.1515/hsz-2021-0161] [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: 02/23/2021] [Accepted: 08/09/2021] [Indexed: 11/15/2022]
Abstract
Macromers, polymeric molecules with at least two functional groups for cross-polymerization, are interesting materials to tailor mechanical, biochemical and degradative bulk and surface properties of implants for tissue regeneration. In this review we focus on macromers with at least one biodegradable building block. Manifold design options, such as choice of polymeric block(s), optional core molecule and reactive groups, as well as cross-co-polymerization with suitable anchor or linker molecules, allow the adaptation of macromer-based biomaterials towards specific application requirements in both hard and soft tissue regeneration. Implants can be manufactured from macromers using additive manufacturing as well as molding and templating approaches. This review summarizes and discusses the overall concept of biodegradable macromers and recent approaches for macromer processing into implants as well as techniques for surface modification directed towards bone regeneration. These aspects are reviewed including a focus on the authors' contributions to the field through research within the collaborative research project Transregio 67.
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Affiliation(s)
- Jan Krieghoff
- Medical Faculty, Pharmaceutical Technology, Leipzig University, Eilenburger Str. 15A, D-04317 Leipzig, Germany.,Collaborative Research Center (SFB-TRR67) "Functional Biomaterials for Controlling Healing Processes in Bone and Skin - From Material Science to Clinical Application", Leipzig and Dresden, Germany
| | - Mathis Gronbach
- Medical Faculty, Pharmaceutical Technology, Leipzig University, Eilenburger Str. 15A, D-04317 Leipzig, Germany.,Collaborative Research Center (SFB-TRR67) "Functional Biomaterials for Controlling Healing Processes in Bone and Skin - From Material Science to Clinical Application", Leipzig and Dresden, Germany
| | - Michaela Schulz-Siegmund
- Medical Faculty, Pharmaceutical Technology, Leipzig University, Eilenburger Str. 15A, D-04317 Leipzig, Germany.,Collaborative Research Center (SFB-TRR67) "Functional Biomaterials for Controlling Healing Processes in Bone and Skin - From Material Science to Clinical Application", Leipzig and Dresden, Germany
| | - Michael C Hacker
- Medical Faculty, Pharmaceutical Technology, Leipzig University, Eilenburger Str. 15A, D-04317 Leipzig, Germany.,Collaborative Research Center (SFB-TRR67) "Functional Biomaterials for Controlling Healing Processes in Bone and Skin - From Material Science to Clinical Application", Leipzig and Dresden, Germany.,Institute of Pharmaceutics and Biopharmaceutics, Heinrich Heine University, Universitätsstrasse 1, D-40225 Düsseldorf, Germany
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Salbach-Hirsch J, Rauner M, Hofbauer C, Hofbauer LC. New insights into the role of glycosaminoglycans in the endosteal bone microenvironment. Biol Chem 2021; 402:1415-1425. [PMID: 34323057 DOI: 10.1515/hsz-2021-0174] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2021] [Accepted: 07/14/2021] [Indexed: 12/19/2022]
Abstract
The bone microenvironment is a complex tissue in which heterogeneous cell populations of hematopoietic and mesenchymal origin interact with environmental cues to maintain tissue integrity. Both cellular and matrix components are subject to physiologic challenges and can dynamically respond by modifying cell/matrix interactions. When either component is impaired, the physiologic balance is lost. Here, we review the current state of knowledge of how glycosaminoglycans - organic components of the bone extracellular matrix - influence the bone micromilieu. We point out how they interact with mediators of distinct signaling pathways such as the RANKL/OPG axis, BMP and WNT signaling, and affect the activity of bone remodeling cells within the endosteal niche summarizing their potential for therapeutic intervention.
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Affiliation(s)
- Juliane Salbach-Hirsch
- Division of Endocrinology, Diabetes, and Metabolic Bone Diseases, Department of Medicine III, Medical Center, Technische Universität Dresden, D-01307 Dresden, Germany
- Center for Healthy Aging, Medical Center, Technische Universität Dresden, D-01307 Dresden, Germany
| | - Martina Rauner
- Division of Endocrinology, Diabetes, and Metabolic Bone Diseases, Department of Medicine III, Medical Center, Technische Universität Dresden, D-01307 Dresden, Germany
- Center for Healthy Aging, Medical Center, Technische Universität Dresden, D-01307 Dresden, Germany
| | - Christine Hofbauer
- NCT Dresden and University Hospital Carl Gustav Carus Dresden, Technische Universität Dresden, D-01307 Dresden, Germany
| | - Lorenz C Hofbauer
- Division of Endocrinology, Diabetes, and Metabolic Bone Diseases, Department of Medicine III, Medical Center, Technische Universität Dresden, D-01307 Dresden, Germany
- Center for Healthy Aging, Medical Center, Technische Universität Dresden, D-01307 Dresden, Germany
- Center for Regenerative Therapies Dresden (CRTD), D-01307 Dresden, Germany
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