Characteristics of three sizes of silica nanoparticles in the osteoblastic cell line, MC3T3-E1

Characteristics of three sizes of silica nanoparticles in the osteoblastic cell line, MC3T3-E1
复制标题

成骨细胞系 MC3T3-E1 中三种尺寸二氧化硅纳米粒子的特征

DOI:
10.1039/c4ra06863g
复制
发表时间:
2014-09
期刊:
RSC Adv
影响因子:
--
通讯作者:
Hongchen Sun
Hongchen Sun
中科院分区:
其他
文献类型:
--
作者:
D;an Wang;Wenhuan Bu;Changyu Zheng;Hongchen Sun

文献摘要

参考文献

被引文献

相似文献

由于骨材料对成骨细胞的影响尚不清楚,骨缺损的修复一直是临床医生面临的挑战。在这项工作中,二氧化硅纳米粒子(SNs)的细胞摄取,细胞毒性和细胞功能的成骨细胞系,MC 3 T3-E1的尺寸效应,研究揭示SNs骨再生的潜力。使用Stober方法制备具有三种不同大小的SN并用FITC标记。采用激光共聚焦扫描显微镜、荧光激活细胞分选仪和荧光分光光度法评价其作用。所有三种不同尺寸的FITC标记的二氧化硅纳米颗粒具有相似的细胞摄取(>90%),通过荧光激活细胞分选(FACS)分析测定,这表明所有三种二氧化硅纳米颗粒通常具有良好的细胞亲和力。然而,荧光分光光度法的结果表明,细胞摄取增加的SN的大小的减少。有趣的是,较小的二氧化硅纳米颗粒比较大的二氧化硅纳米颗粒能诱导更多的MC 3 T3-E1细胞凋亡,并且具有剂量依赖性。MTT试验表明,所有三种SN都能够在较高浓度(100 μg ml−1)下降低细胞增殖。这些结果表明,SN具有细胞毒性,这是大小和浓度依赖性的。重要的是,所有三种SN都可以直接刺激矿化结节的形成,这也是大小依赖性的。这些结果表明,SNs在骨再生中具有潜在的应用前景,并且有可能通过控制SNs的剂量和大小来减少不必要的副作用。
Reconstruction of bone defects is still challenging for the clinician, owing to the little achievement in the effect of bone materials on osteoblastic cells. In this work, the size effect of silica nanoparticles (SNs) on cellular uptake, cytotoxicity, and cell function in the osteoblast cell line, MC3T3-E1, is studied to reveal the potentials of SNs for bone regeneration. The SNs with three different sizes are prepared using the Stober approach and labeled with FITC. Confocal laser scanning microscopy, fluorescence-activated cell sorting and fluorescence spectrophotometry are used to evaluate the effects. All three different sized FITC-labeled silica nanoparticles have similar cellular uptake (>90%), determined by fluorescence-activated cell sorting (FACS) analysis, which suggest that all three silica nanoparticles generally have good cellular affinity. Fluorescence spectrophotometry results, however, indicate that cellular uptake is increased with a decrease in the size of the SN. Interestingly, the smaller silica nanoparticles could induce more MC3T3-E1 cell apoptosis than that of larger silica nanoparticles, and it is dose-dependent. MTT assays demonstrated that all three SNs are capable to decrease cell proliferation at a higher concentration (100 μg ml−1). These results indicate that the SNs are cytotoxic, which is size and concentration-dependent. Importantly, all three SNs can directly stimulate mineralized nodule formation, which is also size-dependent. These results suggest that SNs are potentially applicable in bone regeneration, and it is possible to decrease unwanted side effects by controlling dose and size of SNs.
DOI: 10.2147/ijn.s44815
发表时间: 2013
影响因子: 8
作者:
Mehravi B;Ahmadi M;Amanlou M;Mostaar A;Ardestani MS;Ghalandarlaki N
通讯作者: Ghalandarlaki N
DOI: 10.1038/nmat2509
发表时间: 2009-09
期刊: Nature materials
影响因子: 41.2
作者:
通讯作者: --
3-羟基丁酸对小鼠成骨细胞MC3T3-E1体外分化及去卵巢大鼠体内骨形成的影响
DOI: --
发表时间: --
期刊:
影响因子: --
作者:
通讯作者: --
DOI: 10.1016/j.colsurfb.2009.09.017
发表时间: 2010-02
期刊: Colloids and surfaces. B, Biointerfaces
影响因子: --
作者:
Z. Mao;L. Wan;Ling Hu;Lie Ma;Changyou Gao
通讯作者: Z. Mao;L. Wan;Ling Hu;Lie Ma;Changyou Gao
DOI: 10.1038/nnano.2008.30
发表时间: 2008-03-01
影响因子: 38.3
作者:
Jiang, Wen;Kim, Betty Y. S.;Chan, Warren C. W.
通讯作者: Chan, Warren C. W.