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The Synthesis of RGD-functionalized Hydrogels as a Tool for Therapeutic Applications

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Published on: October 7, 2016

Growth factor delivery approaches in hydrogels.

Amanda K Andriola Silva¹, Cyrille Richard, Michel Bessodes

¹Université d'Evry Val d'Essonne, Ecole doctorale des Génomes Aux Organismes, Boulevard François Mitterrand 91025 Evry, cedex France.

Biomacromolecules

|November 27, 2008

Summary

Controlled delivery of growth factors using hydrogels is complex. This review details direct loading, binding, carriers, and biologically inspired strategies, alongside evaluation methods for ideal systems.

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Area of Science:

Biomaterials Science
Drug Delivery Systems
Tissue Engineering

Background:

Controlled delivery of growth factors is crucial for therapeutic applications but faces significant challenges.
Hydrogels offer a versatile platform for growth factor delivery, with various strategies explored in scientific literature.

Purpose of the Study:

To review and categorize existing approaches for controlled growth factor delivery using hydrogels.
To discuss both natural and synthetic materials used in these delivery systems.
To present in vitro and in vivo methods for evaluating the efficacy of these delivery strategies.

Main Methods:

Literature review of direct loading, electrostatic interaction, covalent binding, and carrier-based strategies for growth factor delivery.
Inclusion of biologically inspired approaches and discussion of natural and synthetic hydrogel materials.
Overview of in vitro and in vivo evaluation techniques for assessing delivery system performance.

Main Results:

Multiple strategies exist for incorporating growth factors into hydrogels, including direct loading, electrostatic/covalent binding, and carrier systems.
Biologically inspired methods and both natural and synthetic materials are actively investigated.
A range of in vitro and in vivo techniques are available for performance evaluation.

Conclusions:

Optimizing growth factor delivery systems requires addressing multiple challenges in system design and evaluation.
The reviewed strategies provide a foundation for developing improved and potentially ideal growth factor delivery systems.
Future advancements may stem from combining existing approaches and exploring novel biologically inspired methods.