Effect of Dy3+on osteogenic and adipogenic differentiation of mouse primary bone marrow stromal cells and adipocytic trans-differentiation of mouse primary osteoblasts |
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Authors: | JinChao Zhang DanDan Liu Jing Sun DaWei Zhang ShiGang Shen MengSu Yang |
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Institution: | (1) Chemical Biology Laboratory, College of Chemistry and Environmental Science, Hebei University, Baoding, 071002, China;(2) Department of Natural Products Chemistry, Shenyang Pharmaceutical University, Shenyang, 110016, China;(3) Department of Biology and Chemistry, City University of Hong Kong, Hong Kong, China;(4) B-Ultrasound Room, Affiliated Hospital of Hebei University, Baoding, 071000, China |
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Abstract: | A series of experimental methods including 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyl tetrazolium bromide (MTT) test, alkaline
phosphatase (ALP) activity measurement, mineralized function, Oil Red O stain and measurement were employed to assess the
effect of Dy3+ on the osteogenic and adipogenic differentiation of mouse primary bone marrow stromal cells (BMSCs) and the adipogenic trans-differentiation
of mouse primary osteoblasts (OBs). The results showed that Dy3+ had no effect on BMSC proliferation at concentrations of 1×10−8 and 1×10−5 mol/L, but inhibited BMSC proliferation at other concentrations. Dy3+ had no effect on OB proliferation at concentrations of 1×10−10 and 1×10−9 mol/L, but inhibited OB proliferation at other concentrations. Dy3+ had no effect on the osteogenic differentiation of BMSCs at concentrations of 1×10−9 and 1×10−7 mol/L, and promoted osteogenic differentiation of BMSCs at other concentrations at the 7th day. The osteogenic differentiation
of BMSCs was inhibited by Dy3+ at concentration of 1×10−5 mol/L at the 14th day, but promoted osteogenic differentiation of BMSCs at concentrations of 1×10−9, 1×10−8, 1×10−7 and 1×10−6 mol/L with the maximal effect at concentration of 10−6 mol/L. Dy3+ promoted mineralized function of BMSCs at any concentration. Dy3+ had no effect on adipogenic differentiation of BMSCs at concentration of 1×10−7 mol/L, but inhibited adipogenic differentiation of BMSCs at other concentrations. Dy3+ inhibited adipocytic trans-differentiation of OBs at any concentration, suggesting that Dy3+ had protective effect on bone and the protective effect on bone may be mediated by modulating differentiation of BMSCs away
from the adipocyte and inhibiting adipocytic trans-differentiation of OBs which may promote differentiation and mineralization
of OBs. These results may be valuable for better understanding the mechanism of the effect of Dy3+ on pathogenesis of osteoporosis.
Supported by the Foundation for Key Program of Ministry of Education of China (Grant No. 208018) |
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Keywords: | rare earth ion bone marrow stromal cells osteogenic differentiation adipogenic differentiation adipocytic trans-differenti |
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