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Nanocomposite hydrogels for cartilage tissue engineering: a review
Nahideh Asadi1,2, Effat Alizadeh3, Roya Salehi1
1a Department of Medical Nanotechnology, Faculty of Advanced Medical Sciences , Tabriz University of Medical Sciences , Tabriz , Iran.
Artificial Cells, Nanomedicine, and Biotechnology
|July 27, 2017
Summary
Nanocomposite hydrogels (NCHs) show promise for cartilage tissue engineering by reinforcing hydrogels with nanoparticles. These enhanced materials support cell growth and differentiation for potential tissue regeneration.
Area of Science:
- Biomaterials Science
- Orthopaedic Surgery
- Regenerative Medicine
Background:
- Cartilage tissue loss presents a significant challenge in orthopaedics, leading to movement difficulties.
- Tissue engineering offers a promising approach for cartilage regeneration or replacement.
- Hydrogels mimic the extracellular matrix (ECM) but often lack sufficient mechanical strength for effective tissue repair.
Purpose of the Study:
- To review nanocomposite hydrogel (NCH) systems for cartilage tissue engineering.
- To highlight the role of nanomaterials in enhancing hydrogel properties.
- To discuss the potential of NCHs in supporting cell functions for cartilage regeneration.
Main Methods:
- Review of existing literature on nanocomposite hydrogels for cartilage regeneration.
- Analysis of how nanomaterials reinforce hydrogel matrices.
- Examination of cell response (recruitment, adhesion, proliferation, differentiation) within NCH scaffolds.
Main Results:
- Nanomaterials, including organic/polymeric and inorganic nanoparticles, effectively reinforce hydrogel matrices.
- Incorporating nanoparticles improves the mechanical properties of hydrogels.
- NCHs demonstrate potential for supporting cellular activities crucial for cartilage repair.
Conclusions:
- Nanocomposite hydrogels offer improved mechanical strength and biocompatibility compared to traditional hydrogels.
- NCHs are a viable scaffold material for cartilage tissue engineering applications.
- Further development of NCH systems could significantly advance cartilage regeneration strategies.
