The Treatment of Muscle Atrophy after Rotator Cuff Tears Using Electroconductive Nanofibrous Matrices.

Autor: Tang X; Connecticut Convergence Institute for Translation in Regenerative Engineering, University of Connecticut Health Center, Farmington, CT 06030, USA.; Raymond and Beverly Sackler Center for Biomedical, Biological, Physical and Engineering Sciences, University of Connecticut Health Center, Farmington, CT 06030, USA.; Department of Materials Science and Engineering, University of Connecticut, Storrs, CT 06269, USA.; Department of Orthopaedic Surgery, University of Connecticut Health Center, Farmington, CT 06030, USA., Shemshaki NS; Connecticut Convergence Institute for Translation in Regenerative Engineering, University of Connecticut Health Center, Farmington, CT 06030, USA.; Raymond and Beverly Sackler Center for Biomedical, Biological, Physical and Engineering Sciences, University of Connecticut Health Center, Farmington, CT 06030, USA.; Department of Orthopaedic Surgery, University of Connecticut Health Center, Farmington, CT 06030, USA.; Department of Biomedical Engineering, University of Connecticut, Storrs, CT 06269, USA., Vernekar VN; Connecticut Convergence Institute for Translation in Regenerative Engineering, University of Connecticut Health Center, Farmington, CT 06030, USA.; Raymond and Beverly Sackler Center for Biomedical, Biological, Physical and Engineering Sciences, University of Connecticut Health Center, Farmington, CT 06030, USA.; Department of Orthopaedic Surgery, University of Connecticut Health Center, Farmington, CT 06030, USA., Prabhath A; Connecticut Convergence Institute for Translation in Regenerative Engineering, University of Connecticut Health Center, Farmington, CT 06030, USA.; Raymond and Beverly Sackler Center for Biomedical, Biological, Physical and Engineering Sciences, University of Connecticut Health Center, Farmington, CT 06030, USA.; Department of Orthopaedic Surgery, University of Connecticut Health Center, Farmington, CT 06030, USA.; Department of Biomedical Engineering, University of Connecticut, Storrs, CT 06269, USA., Kuyinu E; Connecticut Convergence Institute for Translation in Regenerative Engineering, University of Connecticut Health Center, Farmington, CT 06030, USA.; Raymond and Beverly Sackler Center for Biomedical, Biological, Physical and Engineering Sciences, University of Connecticut Health Center, Farmington, CT 06030, USA.; Department of Orthopaedic Surgery, University of Connecticut Health Center, Farmington, CT 06030, USA., Kan HM; Connecticut Convergence Institute for Translation in Regenerative Engineering, University of Connecticut Health Center, Farmington, CT 06030, USA.; Raymond and Beverly Sackler Center for Biomedical, Biological, Physical and Engineering Sciences, University of Connecticut Health Center, Farmington, CT 06030, USA.; Department of Orthopaedic Surgery, University of Connecticut Health Center, Farmington, CT 06030, USA., Barajaa M; Connecticut Convergence Institute for Translation in Regenerative Engineering, University of Connecticut Health Center, Farmington, CT 06030, USA.; Raymond and Beverly Sackler Center for Biomedical, Biological, Physical and Engineering Sciences, University of Connecticut Health Center, Farmington, CT 06030, USA.; Department of Orthopaedic Surgery, University of Connecticut Health Center, Farmington, CT 06030, USA.; Department of Biomedical Engineering, University of Connecticut, Storrs, CT 06269, USA., Khan Y; Connecticut Convergence Institute for Translation in Regenerative Engineering, University of Connecticut Health Center, Farmington, CT 06030, USA.; Raymond and Beverly Sackler Center for Biomedical, Biological, Physical and Engineering Sciences, University of Connecticut Health Center, Farmington, CT 06030, USA.; Department of Materials Science and Engineering, University of Connecticut, Storrs, CT 06269, USA.; Department of Orthopaedic Surgery, University of Connecticut Health Center, Farmington, CT 06030, USA.; Department of Biomedical Engineering, University of Connecticut, Storrs, CT 06269, USA., Laurencin CT; Connecticut Convergence Institute for Translation in Regenerative Engineering, University of Connecticut Health Center, Farmington, CT 06030, USA.; Raymond and Beverly Sackler Center for Biomedical, Biological, Physical and Engineering Sciences, University of Connecticut Health Center, Farmington, CT 06030, USA.; Department of Materials Science and Engineering, University of Connecticut, Storrs, CT 06269, USA.; Department of Orthopaedic Surgery, University of Connecticut Health Center, Farmington, CT 06030, USA.; Department of Biomedical Engineering, University of Connecticut, Storrs, CT 06269, USA.; Department of Chemical & Biomolecular Engineering, University of Connecticut, Storrs, CT 06269, USA.; Department of Craniofacial Sciences, School of Dental Medicine, University of Connecticut Health Center, Farmington, CT 06030, USA.
Jazyk: angličtina
Zdroj: Regenerative engineering and translational medicine [Regen Eng Transl Med] 2021 Mar; Vol. 7 (1), pp. 1-9. Date of Electronic Publication: 2020 Nov 17.
DOI: 10.1007/s40883-020-00186-8
Abstrakt: Rotator cuff tears (RCTs) are a common cause of disability and pain in the adult population. Despite the successful repair of the torn tendon, the delay between the time of injury and time of repair can cause muscle atrophy. The goal of the study was to engineer an electroconductive nanofibrous matrix with an aligned orientation to enhance muscle regeneration after rotator cuff (RC) repair. The electroconductive nanofibrous matrix was fabricated by coating Poly(3,4-ethylenedioxythiophene): poly(styrenesulfonate) (PEDOT:PSS) nanoparticles onto the aligned poly(ε-caprolactone) (PCL) electrospun nanofibers. The regenerative potential of the matrix was evaluated using two repair models of RCTs include acute and sub-acute. Sprague-Dawley rats (n=39) were randomly assigned to 1 of 8 groups. For the acute model, the matrix was implanted on supraspinatus muscle immediately after the injury. The repair surgery for the sub-acute model was conducted 6 weeks after injury. The supraspinatus muscle was harvested for histological analysis two and six weeks after repair. The results demonstrated the efficacy of electrical and topographical cues on the treatment of muscle atrophy in vivo . In both acute and sub-acute models, the stimulus effects of topographical and electrical cues reduced the gap area between muscle fibers. This study showed that muscle atrophy can be alleviated by successful surgical repair using an electroconductive nanofibrous matrix in a rat RC model.
Competing Interests: Competing interests: No competing interests.
Databáze: MEDLINE
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