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2017 ; 7
(1
): 7839
Nephropedia Template TP
gab.com Text
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English Wikipedia
Magnesium Chloride promotes Osteogenesis through Notch signaling activation and
expansion of Mesenchymal Stem Cells
#MMPMID28798480
Díaz-Tocados JM
; Herencia C
; Martínez-Moreno JM
; Montes de Oca A
; Rodríguez-Ortiz ME
; Vergara N
; Blanco A
; Steppan S
; Almadén Y
; Rodríguez M
; Muñoz-Castañeda JR
Sci Rep
2017[Aug]; 7
(1
): 7839
PMID28798480
show ga
Mesenchymal stem cells (MSC) are osteoblasts progenitors and a variety of studies
suggest that they may play an important role for the health in the field of bone
regeneration. Magnesium supplementation is gaining importance as adjuvant
treatment to improve osteogenesis, although the mechanisms involving this process
are not well understood. The objective of this study was to investigate the
effects of magnesium on MSC differentiation. Here we show that in rat bone marrow
MSC, magnesium chloride increases MSC proliferation in a dose-dependent manner
promoting osteogenic differentiation and mineralization. These effects are
reduced by 2-APB administration, an inhibitor of magnesium channel TRPM7. Of
note, magnesium supplementation did not increase the canonical Wnt/?-catenin
pathway, although it promoted the activation of Notch1 signaling, which was also
decreased by addition of 2-APB. Electron microscopy showed higher proliferation,
organization and maturation of osteoblasts in bone decellularized scaffolds after
magnesium addition. In summary, our results demonstrate that magnesium chloride
enhances MSC proliferation by Notch1 signaling activation and induces osteogenic
differentiation, shedding light on the understanding of the role of magnesium
during bone regeneration.