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Πέμπτη 26 Αυγούστου 2021

CGFe and TGF-β1 enhance viability and osteogenic differentiation of human dental pulp stem cells through the MAPK pathway

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Exp Ther Med. 2021 Oct;22(4):1048. doi: 10.3892/etm.2021.10482. Epub 2021 Jul 23.

ABSTRACT

The present study aimed to evaluate the effects of concentrated growth factor exudate (CGFe) and TGF-β1 on the viability and osteogenic differentiation of human dental pulp stem cells (hDPSCs). CGFe was prepared from the peripheral blood of healthy donors (obtained with informed consent). STRO-1+ hDPSCs were isolated from dental pulp tissues and treated in four groups: i) Control; ii) TGF-β1 (1 ng/ml); iii) 100% CGFe; and iv) TGF-β1 (1 ng/ml) + 100% CGFe group. hDPSC viability was measured via MTT assay. The osteogenic differentiation of hDPSCs was quantified via alkaline phosphatase (ALP) activity, western blotting and reverse transcription-quantitative PCR assays. CGFe and TGF-β1 enhanced hDPSC viability, upregulated ALP activity, upregulated the expression of phosphorylated (p)-ERK1/2, p-JNK and p-p38 in hDPSCs, and promoted tra nscription and protein expression of osteogenic-related genes (bone sialoprotein, Runt-related transcription factor 2 and osteocalcin) in hDPSCs. The present study demonstrated that CGFe and TGF-β1 facilitated the viability and osteogenic differentiation of hDPSCs potentially through activation of the MAPK signaling pathway.

PMID:34434262 | PMC:PMC8353646 | DOI:10.3 892/etm.2021.10482

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Medicine by Alexandros G. Sfakianakis,Anapafseos 5 Agios Nikolaos 72100 Crete Greece,00302841026182,00306932607174,alsfakia@gmail.com,

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