碳酸钙-2
体外
染色
化学
粘液
磁导率
细胞培养
分子生物学
生物化学
生物
膜
病理
医学
生态学
遗传学
作者
Fengguang Pan,Lu Han,Yan Zhang,Yiding Yu,Jingbo Liu
标识
DOI:10.3109/09637486.2015.1077792
摘要
The purpose of this study was to investigate the appropriate proportion of Caco-2 and HT29 co-culture in vitro cell models for permeability studies. The results showed that the transepithelial electrical resistance values of 9:1 and 1:0 groups (263 ± 3.61 and 300 ± 7.55) after 21-day culture were >250 Ω cm(2), which were suitable for further experiments. The confocal laser microscopy showed that the group of 9:1 (Caco-2:HT29) had the highest integrity, whereas the group of 0:1 (Caco-2:HT29) exhibited the lowest. The staining study confirmed that mucus was successfully produced by HT29 cells, and it was also produced in co-cultures with Caco-2 cells model, but the Caco-2 monocultures did not have any blue staining, which made us affirm that mucus is only produced in the presence of HT29 cells. The real-time PCR results showed that the total highest expression level of ALPi and MUC5AC was the ratio of 9:1 (Caco-2:HT29) and lowest is 1:1 (Caco-2:HT29). So we concluded that 9:1 (Caco-2:HT29) is the optimal Caco-2 to HT29 ratio in the in vitro model co-culture for permeability studies.
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