Cellular responses and expression profiling of human bone marrow stromal cells stimulated with enamel matrix proteins in vitro.

Cell Proliferation
Z C SongX L Zhang

Abstract

The aim of this study was to investigate biological effects and gene expression profiles of enamel matrix proteins (EMPs), on human bone marrow stromal cells (HBMSCs), for preliminary understanding of mechanisms involved in promoting periodontal regeneration by EMPs. EMPs were extracted using the acetic acid method, and HBMSCs from human bone marrow aspirates were cultured. Attachment levels, level of cells morphologically attenuated, cell proliferation, alkaline phosphatase (ALP) activity and staining of HBMSCs were measured in the absence and in the presence of EMPs. Microarray analysis was performed to detect gene profiles of HBMSCs by treatment with 200 microg/ml EMPs, for 5 days. Four differential genes were selected for validation of the microarray data using real-time PCR. EMPs promoted proliferation and ALP activity of HBMSCs in a time- and dose-dependent manner, and at a concentration of 200 microg/ml significantly enhanced proliferation and ALP expression. However, there were no significant changes between EMP-treated groups and the control group in cell attachment and cell process attenuation levels. Twenty-seven genes were differentially expressed by HBMSCs in the presence of EMPs. Expressions of 18 genes were upreg...Continue Reading

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Citations

Apr 14, 2015·Periodontology 2000·Miron Weinreb, Carlos E Nemcovsky
May 16, 2014·Journal of Periodontal Research·R GruberA Sculean
Apr 26, 2011·Biochemical and Biophysical Research Communications·Hu JingchaoChen Lan
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Nov 22, 2018·Journal of Experimental Zoology. Part B, Molecular and Developmental Evolution·Xin-Xin ZhaoXue-Ming Zhang
Dec 6, 2017·Biotechnic & Histochemistry : Official Publication of the Biological Stain Commission·Z C SongR Shu

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