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Wyszukujesz frazę "osteogenic differentiation" wg kryterium: Temat


Wyświetlanie 1-2 z 2
Tytuł:
Effect of substrate stiffness on differentiation of umbilical cord stem cells
Autorzy:
Witkowska-Zimny, Małgorzata
Walenko, Katarzyna
Wałkiewicz, Anna
Pojda, Zygmunt
Przybylski, Jacek
Lewandowska-Szumieł, Małgorzata
Powiązania:
https://bibliotekanauki.pl/articles/1039745.pdf
Data publikacji:
2012
Wydawca:
Polskie Towarzystwo Biochemiczne
Tematy:
substrate stiffness
osteogenic differentiation
umbilical cord mesenchymal stromal/stem cells
Opis:
Tissue formation and maintenance is regulated by various factors, including biological, physiological and physical signals transmitted between cells as well as originating from cell-substrate interactions. In our study, the osteogenic potential of mesenchymal stromal/stem cells isolated from umbilical cord Wharton's jelly (UC-MSCs) was investigated in relation to the substrate rigidity on polyacrylamide hydrogel (PAAM). Osteogenic differentiation of UC-MSCs was enhanced on stiff substrate compared to soft substrates, illustrating that the mechanical environment can play a role in differentiation of this type of cells. These results show that substrate stiffness can regulate UC-MSCs differentiation, and hence may have significant implications for design of biomaterials with appropriate mechanical properties for regenerative medicine.
Źródło:
Acta Biochimica Polonica; 2012, 59, 2; 261-264
0001-527X
Pojawia się w:
Acta Biochimica Polonica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Osteogenic differentiation of human mesenchymal stem cells from adipose tissue and Whartons jelly of the umbilical cord
Autorzy:
Zajdel, Alicja
Kałucka, Magdalena
Kokoszka-Mikołaj, Edyta
Wilczok, Adam
Powiązania:
https://bibliotekanauki.pl/articles/1038664.pdf
Data publikacji:
2017
Wydawca:
Polskie Towarzystwo Biochemiczne
Tematy:
adipose derived mesenchymal stem cells
Wharton's jelly derived mesenchymal stem cells
osteogenic differentiation
Opis:
Induced osteogenesis of mesenchymal stem cells (MSCs) may provide an important tool for bone injuries treatment. Human umbilical cord and adipose tissue are routinely discarded as clinical waste and may be used as noncontroversial MSCs sources. It still remains to be verified which source of MSCs is the most suitable for bone regeneration. The aim of this research was to investigate the osteogenic potential of human MSCs derived from adipose tissue (AT-MSCs) and Wharton's jelly of the human umbilical cord (WJ-MSCs) differentiated under the same conditions. Osteogenic differentiation of MSCs was detected and quantified by alizarin red S (ARS) staining for calcium deposition and alkaline phosphatase (ALP) activity, osteoprotegerin (OPG), and osteocalcin (OC) secretion measurements. Under osteogenic conditions, after 21 days of differentiation, the measured ALP activity and calcium deposition were significantly higher in the AT-MSCs than in the WJ-MSCs, while the OPG and OC secretion were higher in the WJ-MSCs vs. AT-MSCs. Low concentrations of OPG and high levels of OC in AT-MSCs and WJ-MSCs, prove that these cells reached an advanced stage of the osteogenic differentiation. The levels of OC secreted by AT-MSCs were lower than by WJ-MSCs. Both cell types, AT-MSCs and WJ-MSCs possess a potential to differentiate towards the osteogenic lineage. The observed differences in the levels of osteogenic markers suggest that after 21-days of osteogenic differentiation, the AT-MSCs might have reached a more advanced stage of differentiation than WJ-MSCs.
Źródło:
Acta Biochimica Polonica; 2017, 64, 2; 365-369
0001-527X
Pojawia się w:
Acta Biochimica Polonica
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-2 z 2

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