高糖環(huán)境通過(guò)抑制CXCR-4影響大鼠下頜骨骨髓基質(zhì)細(xì)胞遷移
[Abstract]:Aim: to investigate the effect of high glucose environment on the migration of mandibular bone marrow stromal cells by inhibiting CXCR-4. Methods: bone marrow stromal cells were isolated from the mandible of Wistar rats and cultured. The optimal migration concentration of SDF-1 under physiological glucose concentration (5.5 mmol/L) was screened by Transwell assay, and the effect of SDF-1AMD3100 on cell migration ability under different glucose concentration (5.5 mmol/L) was detected. Western Western blot was used to detect the expression of CXCR-4 at different glucose concentrations (5.5g / 16.5 mmol/L), and real-time quantitative PCR was used to detect the expression of m RNA in CXCR-4 MMP-2. The data were analyzed by SPSS 11.0 software package. Results the migration ability of bone marrow stromal cells was concentration-dependent on chemokine SDF-1 under physiological glucose concentration, and the optimal concentration of chemokine SDF-1 was 100 ng/m / L. High glucose environment can inhibit the migration ability of bone marrow stromal cells. SDF-1 could significantly enhance the migration ability of cells at different glucose concentrations. After joining AMD3100, this enhancement trend is obviously inhibited. High glucose environment inhibited the expression of CXCR-4 protein and CXCR-4 and MMP-2 m RNA. Conclusion: high glucose environment can inhibit the expression of CXCR-4 to influence the directional migration of rat mandibular bone marrow stromal cells under the control of SDF-1/CXCR-4 biological axis.
【作者單位】: 解放軍總醫(yī)院口腔醫(yī)學(xué)研究所;
【基金】:國(guó)家自然科學(xué)基金(81271180,31200741)~~
【分類(lèi)號(hào)】:R783.6;R587.1
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