Journal
INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES
Volume 252, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.ijbiomac.2023.126060
Keywords
Injectable; Hydrogel; Periodontitis; Anti-inflammation; Periodontal preservation
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This study investigates the use of Pep-B, a peptide with inflammation inhibition and differentiation regulation properties, in the treatment of periodontitis. A composite hydrogel called CMSA/Pep-B is developed, which shows improved inflammation control and tissue repair in stem cells. Animal experiments demonstrate that CMSA/Pep-B significantly reduces inflammation and alveolar bone loss. This suggests that CMSA/Pep-B could be a potential bioactive material or therapeutic drug for treating periodontitis.
Periodontitis is a common chronic inflammatory disease caused by plaque that leads to alveolar bone resorption and tooth loss. Inflammation control and achieving better tissue repair are the key to periodontitis treatment. In this study, human beta-Defensin 1 short motif Pep-B with inflammation inhibition and differentiation regulation properties, is firstly used in the treatment of periodontitis, and an injectable photopolymerizable Pep-B/chitosan methacryloyl composite hydrogel (CMSA/Pep-B) is constructed. We confirm that Pep-B improves inflammation, and restores osteogenic behavior and function of injured stem cells. CMSA/Pep-B has good injectability, fluidity and photopolymerizability, and can sustainably release Pep-B to maintain drug concentration in periodontal pockets. Furthermore, animal experiments showed that CMSA/Pep-B significantly ameliorated the inflammation of the periodontium and reduced the alveolar bone loss by decreasing inflammatory infiltration, osteoclast formation and collagen destruction. In conclusion, CMSA/Pep-B is envisaged to be a novel bioactive material or therapeutic drug for treating periodontitis.
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