OBJECTIVE: The clinical use of mesenchymal stem cells (MSCs) in regenerative medicine either in tissue repair or tissue reconstruction has given highly interesting results thanks to their particular nature. Sources that have attracted the attention of medical scientists from where stem cells (SCs) in adults could be obtained are different and, dental tissues have certainly become an optimal source of MSCs. Dental tissue is a main reservoir of two types of MSCs dental bud (DBSCs) that constitute the immature precursor of the tooth and dental pulp (DPSCs) that are derived from dental inner pulp and partly from dental follicle tissue and can differentiate into several cell phenotypes as osteoblast, chondrocyte, hepatocytes, cardiomyocytes, neuron and β cells. PATIENTS AND METHODS: Normal impacted third molars and tooth buds were collected from adults and adolescents underwent to extractions for orthodontic reasons. The expression of the five stemness genes Nanog, OCT4, Sox2, c-Myc and Klf4 were investigated by qRT-PCR in two different dental stem/progenitor cells: dental pulp stem cells (DPSCs) and stem cells from dental bud (DBSCs), differentiated toward osteoblastic phenotype and not. RESULTS: Both DPSCs and DBSCs are easy to access and we found their expression of the typical mesenchymal stemness makers and osteogenic capacity due to the effective presence of embryonic gene regulators like Nanog, OCT4, Sox2, c-Myc and Klf4. Both DBSCs and DPSCs could represent a valid tool in regenerative medicine and translational applications.

A comparative study on different stemness gene expression between dental pulp stem cells vs. Dental bud stem cells

Scarano A.;
2019

Abstract

OBJECTIVE: The clinical use of mesenchymal stem cells (MSCs) in regenerative medicine either in tissue repair or tissue reconstruction has given highly interesting results thanks to their particular nature. Sources that have attracted the attention of medical scientists from where stem cells (SCs) in adults could be obtained are different and, dental tissues have certainly become an optimal source of MSCs. Dental tissue is a main reservoir of two types of MSCs dental bud (DBSCs) that constitute the immature precursor of the tooth and dental pulp (DPSCs) that are derived from dental inner pulp and partly from dental follicle tissue and can differentiate into several cell phenotypes as osteoblast, chondrocyte, hepatocytes, cardiomyocytes, neuron and β cells. PATIENTS AND METHODS: Normal impacted third molars and tooth buds were collected from adults and adolescents underwent to extractions for orthodontic reasons. The expression of the five stemness genes Nanog, OCT4, Sox2, c-Myc and Klf4 were investigated by qRT-PCR in two different dental stem/progenitor cells: dental pulp stem cells (DPSCs) and stem cells from dental bud (DBSCs), differentiated toward osteoblastic phenotype and not. RESULTS: Both DPSCs and DBSCs are easy to access and we found their expression of the typical mesenchymal stemness makers and osteogenic capacity due to the effective presence of embryonic gene regulators like Nanog, OCT4, Sox2, c-Myc and Klf4. Both DBSCs and DPSCs could represent a valid tool in regenerative medicine and translational applications.
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/11564/706082
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