Hydrogel scaffolds for tissue engineering: Progress and challenges

By I. El-Sherbiny, Magdi Yacoub. Global Cardiology Science & Practice, 2013

956 citations recorded by the source corpus.

Designing of biologically active scaffolds with optimal characteristics is one of the key factors for successful tissue engineering. Recently, hydrogels have received a considerable interest as leading candidates for engineered tissue scaffolds due to their unique compositional and structural similarities to the natural extracellular matrix, in addition to their desirable framework for cellular proliferation and survival. More recently, the ability to control the shape, porosity, surface morphology, and size of hydrogel scaffolds has created new opportunities to overcome various challenges in tissue engineering such as vascularization, tissue architecture and simultaneous seeding of multiple cells. This review provides an overview of the different types of hydrogels, the approaches that can be used to fabricate hydrogel matrices with specific features and the recent applications of hydrogels in tissue engineering. Special attention was given to the various design considerations for an efficient hydrogel scaffold in tissue engineering. Also, the challenges associated with the use of hydrogel scaffolds were described.

Subfields: Biomaterials, Biomedical Engineering

View Paper: https://www.semanticscholar.org/paper/17bec1377831091d1dbc63e76780eefd51f59b82

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