NFATc1過表達(dá)對唑來膦酸誘發(fā)的破骨細(xì)胞生成抑制的影響
文內(nèi)圖片:
圖片說明:Westernblot檢測RAW264.7細(xì)胞內(nèi)NFATc1蛋白表達(dá)2.2破骨細(xì)胞生成及骨吸收功能檢測經(jīng)TRAP
[Abstract]:Objective to study the effect of overexpression of activated T nuclear factor protein C1 (NFATc1) on osteoclast formation induced by zoledronic acid. Methods RAW264.7 cells were transfected with mouse NFATc1 recombinant lentivirus and the expression of NFATc1 protein was verified. The cells were divided into two groups: group A and group B, and were transfected with blank vector and NFATc1 recombinant vector, respectively. Both groups were induced with 50 ng/mL nuclear factor kappa B receptor activating protein ligand (RANKL) for 5 days, and 1 脳 10 ~ (- 6) mmol/mL zoledronic acid was added on the 2nd day for 2 d. On the 6th day, the formation and function of osteoclasts and the expression of NFATc1, anti-tartrate acid phosphatase (TRAP), tyrosine kinase (c-Src) gene were detected. Results NFATc1 protein was expressed in all the cells. The number of TRAP positive osteoclasts, the number and area of dentin resorption lacunae in group B were significantly higher than those in group A (P 0.01, the protein level of NFATc1,TRAP,c-Src in group). B was significantly higher than that in group A (P 0.01), and the level of mRNA of three genes in group B was significantly higher than that in group A (P 0.01). Similar results were obtained by immunofluorescence cytochemistry. Conclusion NFATc1 overexpression has a rescue effect on osteoclast formation and NFATc1,TRAP,c-Src gene expression induced by zoledronic acid. NFATc1, as a key molecule of Ca~ (2) signal, plays a key role in osteoclast formation inhibition induced by zoledronic acid.
【作者單位】: 華北理工大學(xué)口腔醫(yī)學(xué)院口腔頜面外科教研室;華北理工大學(xué)基礎(chǔ)醫(yī)學(xué)院病理教研室;
【基金】:國家自然科學(xué)基金資助項目(編號:81270965) 河北省高等學(xué)校科學(xué)技術(shù)研究重點項目(編號:ZD2015005) 河北省自然科學(xué)基金資助項目(編號:2011401044)
【分類號】:R965
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