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2015 ; 36
(3
): 678-84
Nephropedia Template TP
gab.com Text
Twit Text FOAVip
Twit Text #
English Wikipedia
Pathogenesis of glucocorticoid-induced avascular necrosis: A microarray analysis
of gene expression in vitro
#MMPMID26151338
Bian Y
; Qian W
; Li H
; Zhao RC
; Shan WX
; Weng X
Int J Mol Med
2015[Sep]; 36
(3
): 678-84
PMID26151338
show ga
Avascular necrosis of the femoral head (ANFH) occurs following exposure to
corticosteroids, and the proliferative capacity of the mesenchymal stem cells
(MSCs) belonging to ANFH was reduced. The previous studies indicate that microRNA
(miRNA) has an important regulatory role during proliferation and osteogenic
differentiation of MSCs. Therefore, MSCs were obtained from healthy adults, and
were cultured and osteogenically?induced by different dexamethasone
concentrations. The proliferation and osteogenic differentiation capacities were
examined through observing cellular morphology, alkaline phosphatase and alizarin
red; miRNA expression was investigated using an miRNA gene chip and miRNA of
differential expressions were retrieved through a database to analyze its
regulatory effect. Dexamethasone at a concentration of 10(?7) mol/l induced the
proliferation and osteogenic differentiation of MSCs and resulted in evident
miRNA expression profile changes. In total, 11 miRNAs were upregulated at 10(?7)
mol/l while 6 were downregulated, and partial miRNA was identified to participate
in the regulation of cell proliferation and cell apoptosis, MSC osteogenic
differentiation, lipid metabolism and other processes.
|Adult
[MESH]
|Cells, Cultured
[MESH]
|Dexamethasone/*adverse effects
[MESH]
|Femur Head Necrosis/*chemically induced/genetics/*pathology
[MESH]