CHEN Ke, et al. Analysis of the effect of pcDNA3.1 on house keeping gene expression[J]. Journal of Chongqing Medical University, 2010,35(6):816-818. DOI: 10.13406/j.cnki.cyxb.2010.06.001.
Objective:To investigate the effect of pcDNA3.1 vector on house keeping gene expression and set guide to further study work in using pcDNA3.1. Methods:5 cell lines were transfected with pcDNA3.1
48 h post transfection total RNA was extracted and applied for real time PCR to detect the RNA level of GAPDH、 β-actin、18sRNA difference.Meanwhile
extract total protein and analyze the GAPDH andβ-actin expression by Western blot.Results:RNA and protein levels all show of a decrease in 5 cell lines after transfection
with the most obviously β-actin.Conclusion:pcDNA3.1 might have non specifinhibition effect to cell
when using pcDNA3. 1 for gene function research
it is not recommend to use β- actin as reference gene.