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Author Spotlight: Improving the Production of Self-Assembling Fibers and Peptide Hydrogels for Superior Biocompatibility

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Published on: September 6, 2024

Developing Bioactive Hydrogels with Peptides for Dental Application.

Alexandrina Muntean¹, Codruta Sarosi², Ioan Petean³

¹Department of Paediatric Dentistry, Iuliu Hatieganu University of Medicine and Pharmacy, 31 A. Iancu Street, 400083 Cluj-Napoca, Romania.

|March 28, 2024

Summary

This study explores a new bioactive hydrogel with leucine-rich amelogenin peptide (LRAP) for enamel remineralisation. Findings suggest short-chain peptides can effectively treat early dental caries and promote tooth enamel repair.

Keywords:

cytotoxicity hydrogels hydroxyapatite peptides remineralisation

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Area of Science:

Biomaterials Science
Dental Research
Nanotechnology

Background:

Dental caries is a prevalent demineralization process affecting tooth enamel.
Early intervention through remineralisation can prevent cavitation and tooth loss.
Amelogenin, a key enamel protein, plays a crucial role in biomineralisation.

Purpose of the Study:

To investigate the self-assembly, microstructure, and reticulation of a novel bioactive hydrogel incorporating leucine-rich amelogenin peptide (LRAP).
To evaluate the potential of this LRAP-hydrogel for enhancing enamel remineralisation and treating early carious lesions.

Main Methods:

Scanning Electron Microscopy (SEM) for microstructure analysis.
Atomic Force Microscopy (AFM) for surface topography.
UV-Visible (UV-VIS) spectroscopy and Fourier-Transform Infrared (FTIR) spectroscopy for material characterization.

Main Results:

The developed hydrogel exhibits specific self-assembly and reticulation behaviours influenced by LRAP.
SEM and AFM analyses confirmed the hydrogel's structural integrity and potential for interaction with tooth surfaces.
Spectroscopic analyses indicated the bioactive properties of the peptides within the hydrogel matrix.

Conclusions:

Leucine-rich amelogenin peptide (LRAP) can be effectively incorporated into bioactive hydrogels for dental applications.
These peptide-based hydrogels demonstrate potential for promoting cell adhesion and treating early enamel carious lesions.
Short-chain peptides represent a promising therapeutic agent for both individual and professional use in managing dental caries.