Osteogenic and Chondrogenic Potential of the Supramolecular Aggregate T-LysYal®.

Abstract:

:Hard tissue regeneration represents a challenge for the Regenerative Medicine and Mesenchymal stem cells (MSCs) could be a successful therapeutic strategy. T-LysYal® (T-Lys), a new derivative of Hyaluronic Acid (HA) possessing a superior stability, has already been proved efficient in repairing corneal epithelial cells damaged by dry conditions in vitro. We investigated the regenerative potential of T-Lys in the hard tissues bone and cartilage. We have previously demonstrated that cells isolated from the tooth germ, Dental Bud Stem Cells (DBSCs), differentiate into osteoblast-like cells, representing a promising source of MSCs for bone regeneration. Herewith, we show that T-Lys treatment stimulates the expression of typical osteoblastic markers, such as Runx-2, Collagen I (Col1) and Alkaline Phosphatase (ALP), determining a higher production of mineralized matrix nodules. In addition, we found that T-Lys treatment positively affects αVβ3 integrin expression, key integrin in the osteoblastic commitment, leading to the formation of focal adhesions (FAs). The efficacy of T-Lys was also tested on chondrogenic differentiation starting from human articular chondrocytes (HACs) resulting in an increase of differentiation markers and cell number.

authors

Di Benedetto A,Posa F,Marazzi M,Kalemaj Z,Grassi R,Lo Muzio L,Comite MD,Cavalcanti-Adam EA,Grassi FR,Mori G

doi

10.3389/fendo.2020.00285

subject

Has Abstract

pub_date

2020-05-05 00:00:00

pages

285

issn

1664-2392

journal_volume

11

pub_type

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