Journal
BIOMED RESEARCH INTERNATIONAL
Volume 2020, Issue -, Pages -Publisher
HINDAWI LTD
DOI: 10.1155/2020/2689701
Keywords
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Funding
- research project SMARTIES (Smart scaffold ingegnerizzati per la rigenerazione dell'apparato muscolo scheletrico)
- Regione Lazio through LazioInnova, Progetto SMARTIES (Smart scaffold ingegnerizzati per la rigenerazione dell'apparato muscolo scheletrico) [85-2017-15004]
- Tor Vergata University [DR 2817/2016, E86C18000640005]
- Progetto: Biomechanical Scaling Stimula: Inducing Differentiation (BIOMESSID)
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Functional engineered muscles are still a critical clinical issue to be addressed, although different strategies have been considered so far for the treatment of severe muscular injuries. Indeed, the regenerative capacity of skeletal muscle (SM) results inadequate for large-scale defects, and currently, SM reconstruction remains a complex and unsolved task. For this aim, tissue engineered muscles should provide a proper biomimetic extracellular matrix (ECM) alternative, characterized by an aligned/microtopographical structure and a myogenic microenvironment, in order to promote muscle regeneration. As a consequence, both materials and fabrication techniques play a key role to plan an effective therapeutic approach. Tissue-specific decellularized ECM (dECM) seems to be one of the most promising material to support muscle regeneration and repair. 3D printing technologies, on the other side, enable the fabrication of scaffolds with a fine and detailed microarchitecture and patient-specific implants with high structural complexity. To identify innovative biomimetic solutions to develop engineered muscular constructs for the treatment of SM loss, the more recent (last 5 years) reports focused on SM dECM-based scaffolds and 3D printing technologies for SM regeneration are herein reviewed. Possible design inputs for 3D printed SM dECM-based scaffolds for muscular regeneration are also suggested.
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