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Title: 3D Hybrid Nanofiber Aerogels Combining with Nanoparticles Made of a Biocleavable and Targeting Polycation and MiR‐26a for Bone Repair

Abstract

Abstract The healing of large bone defects represents a clinical challenge, often requiring some form of grafting. 3D nanofiber aerogels could be a promising bone graft due to their biomimetic morphology and controlled porous structures and composition. miR‐26a has been reported to induce the differentiation of bone marrow‐derived mesenchymal stem cells (BMSCs) and facilitate bone formation. Introducing miR‐26a with a suitable polymeric vector targeting BMSCs could improve and enhance the functions of 3D nanofiber aerogels for bone regeneration. Herein, the comb‐shaped polycation (HA–SS–PGEA) is first developed, carrying a targeting component, biocleavable groups, and short ethanolamine (EA)‐decorated poly(glycidyl methacrylate) (PGMA) (abbreviated as PGEA) arms as miR‐26a delivery vector. Thereafter, the cytotoxicity and transfection efficiency of this polycation and cellular response to miR‐26a‐incorporated nanoparticles (NPs) are assessed in vitro. HA–SS–PGEA exhibits a stronger ability to transport miR‐26a and exert its functions than the gold standard polyethyleneimine (PEI) and low‐molecular‐weight linear PGEA. The efficacy of HA–SS–PGEA/miR‐26a NPs loaded 3D hybrid nanofiber aerogels showing a positive effect on the cranial bone defect healing is finally examined. Together, the combination of 3D nanofiber aerogels and functional NPs consisting of a biodegradable and targeting polycation and therapeutic miRNA could be a promising approach for bone regeneration.

Authors:
 [1];  [1];  [1];  [2];  [3]; ORCiD logo [1]
  1. Department of Surgery‐Transplant and Holland Regenerative Medicine Program University of Nebraska Medical Center Omaha NE 68130 USA
  2. Department of Chemical Engineering University of Illinois at Chicago Chicago IL 60607 USA
  3. Department of Orthopedic Surgery and Rehabilitation University of Nebraska Medical Center Omaha NE 68198 USA
Publication Date:
Sponsoring Org.:
USDOE
OSTI Identifier:
1804150
Resource Type:
Publisher's Accepted Manuscript
Journal Name:
Advanced Functional Materials
Additional Journal Information:
Journal Name: Advanced Functional Materials Journal Volume: 30 Journal Issue: 49; Journal ID: ISSN 1616-301X
Publisher:
Wiley Blackwell (John Wiley & Sons)
Country of Publication:
Germany
Language:
English

Citation Formats

Li, Ruiquan, Wang, Hongjun, John, Johnson V., Song, Haiqing, Teusink, Matthew J., and Xie, Jingwei. 3D Hybrid Nanofiber Aerogels Combining with Nanoparticles Made of a Biocleavable and Targeting Polycation and MiR‐26a for Bone Repair. Germany: N. p., 2020. Web. doi:10.1002/adfm.202005531.
Li, Ruiquan, Wang, Hongjun, John, Johnson V., Song, Haiqing, Teusink, Matthew J., & Xie, Jingwei. 3D Hybrid Nanofiber Aerogels Combining with Nanoparticles Made of a Biocleavable and Targeting Polycation and MiR‐26a for Bone Repair. Germany. https://doi.org/10.1002/adfm.202005531
Li, Ruiquan, Wang, Hongjun, John, Johnson V., Song, Haiqing, Teusink, Matthew J., and Xie, Jingwei. Wed . "3D Hybrid Nanofiber Aerogels Combining with Nanoparticles Made of a Biocleavable and Targeting Polycation and MiR‐26a for Bone Repair". Germany. https://doi.org/10.1002/adfm.202005531.
@article{osti_1804150,
title = {3D Hybrid Nanofiber Aerogels Combining with Nanoparticles Made of a Biocleavable and Targeting Polycation and MiR‐26a for Bone Repair},
author = {Li, Ruiquan and Wang, Hongjun and John, Johnson V. and Song, Haiqing and Teusink, Matthew J. and Xie, Jingwei},
abstractNote = {Abstract The healing of large bone defects represents a clinical challenge, often requiring some form of grafting. 3D nanofiber aerogels could be a promising bone graft due to their biomimetic morphology and controlled porous structures and composition. miR‐26a has been reported to induce the differentiation of bone marrow‐derived mesenchymal stem cells (BMSCs) and facilitate bone formation. Introducing miR‐26a with a suitable polymeric vector targeting BMSCs could improve and enhance the functions of 3D nanofiber aerogels for bone regeneration. Herein, the comb‐shaped polycation (HA–SS–PGEA) is first developed, carrying a targeting component, biocleavable groups, and short ethanolamine (EA)‐decorated poly(glycidyl methacrylate) (PGMA) (abbreviated as PGEA) arms as miR‐26a delivery vector. Thereafter, the cytotoxicity and transfection efficiency of this polycation and cellular response to miR‐26a‐incorporated nanoparticles (NPs) are assessed in vitro. HA–SS–PGEA exhibits a stronger ability to transport miR‐26a and exert its functions than the gold standard polyethyleneimine (PEI) and low‐molecular‐weight linear PGEA. The efficacy of HA–SS–PGEA/miR‐26a NPs loaded 3D hybrid nanofiber aerogels showing a positive effect on the cranial bone defect healing is finally examined. Together, the combination of 3D nanofiber aerogels and functional NPs consisting of a biodegradable and targeting polycation and therapeutic miRNA could be a promising approach for bone regeneration.},
doi = {10.1002/adfm.202005531},
journal = {Advanced Functional Materials},
number = 49,
volume = 30,
place = {Germany},
year = {Wed Sep 09 00:00:00 EDT 2020},
month = {Wed Sep 09 00:00:00 EDT 2020}
}

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