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Wildemann B, Ignatius A, Leung F, Taitsman LA, Smith RM, Pesántez R, Stoddart MJ, Richards RG, Jupiter JB. Non-union bone fractures. Nat Rev Dis Primers 2021; 7:57. [PMID: 34354083 DOI: 10.1038/s41572-021-00289-8] [Citation(s) in RCA: 97] [Impact Index Per Article: 32.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 06/24/2021] [Indexed: 11/09/2022]
Abstract
The human skeleton has remarkable regenerative properties, being one of the few structures in the body that can heal by recreating its normal cellular composition, orientation and mechanical strength. When the healing process of a fractured bone fails owing to inadequate immobilization, failed surgical intervention, insufficient biological response or infection, the outcome after a prolonged period of no healing is defined as non-union. Non-union represents a chronic medical condition not only affecting function but also potentially impacting the individual's psychosocial and economic well-being. This Primer provides the reader with an in-depth understanding of our contemporary knowledge regarding the important features to be considered when faced with non-union. The normal mechanisms involved in bone healing and the factors that disrupt the normal signalling mechanisms are addressed. Epidemiological considerations and advances in the diagnosis and surgical therapy of non-union are highlighted and the need for greater efforts in basic, translational and clinical research are identified.
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Affiliation(s)
- Britt Wildemann
- Experimental Trauma Surgery, Department of Trauma, Hand and Reconstructive Surgery, Jena University Hospital, Friedrich Schiller University Jena, Jena, Germany. .,Julius Wolff Institute and BIH Center for Regenerative Therapies (BCRT), Berlin Institute of Health at Charité - Universitätsmedizin Berlin, Berlin, Germany.
| | - Anita Ignatius
- Institute of Orthopedic Research and Biomechanics, Ulm University, Ulm, Baden Württemberg, Germany
| | - Frankie Leung
- Department of Orthopaedics and Traumatology, Queen Mary Hospital, the University of Hong Kong, Hong Kong, Hong Kong
| | - Lisa A Taitsman
- Department of Orthopaedics and Sports Medicine, University of Washington, Seattle, WA, USA
| | - R Malcolm Smith
- Orthopedic trauma service, University of Massachusetts Medical School, Worcester, MA, USA
| | - Rodrigo Pesántez
- Departamento de Ortopedia Y Traumatología Fundación Santa Fé de Bogotá - Universidad de los Andes, Bogotá, Colombia
| | | | | | - Jesse B Jupiter
- Department of Orthopaedic surgery, Massachussets General Hospital, Boston, MA, USA.
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Brackmann F, de Meijere A. Natural Occurrence, Syntheses, and Applications of Cyclopropyl-Group-Containing α-Amino Acids. 2. 3,4- and 4,5-Methanoamino Acids. Chem Rev 2007; 107:4538-83. [DOI: 10.1021/cr0784083] [Citation(s) in RCA: 65] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Farina Brackmann
- Institut für Organische und Biomolekulare Chemie der Georg-August-Universität Göttingen, Tammannstrasse 2, D-37077 Göttingen, Germany
| | - Armin de Meijere
- Institut für Organische und Biomolekulare Chemie der Georg-August-Universität Göttingen, Tammannstrasse 2, D-37077 Göttingen, Germany
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Papageorgiou C, Borer X, French RR. Calcineurin has a very tight-binding pocket for the side chain of residue 4 of cyclosporin. Bioorg Med Chem Lett 1994. [DOI: 10.1016/s0960-894x(01)80127-x] [Citation(s) in RCA: 42] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Papageorgiou C, Florineth A, French R, Haltiner R, Borer X. Derivatives of cyclosporin at position 2 as probes for cyclophilin. Bioorg Med Chem Lett 1993. [DOI: 10.1016/s0960-894x(01)80716-2] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Chapter 1. Analgesics. ANNUAL REPORTS IN MEDICINAL CHEMISTRY 1984. [DOI: 10.1016/s0065-7743(08)60677-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register]
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