TANG Hua,GONG Ping,TAN Zhen,LIAO Da-peng.Construction of eukaryotic expression bicistron plasmid vector pcDNA3.1-hOPG and its expression in vitro[J].J Amry Med Univ (J Third Mil Med Univ),2007,29(23):2240-2242.
TANG Hua,GONG Ping,TAN Zhen,LIAO Da-peng.Construction of eukaryotic expression bicistron plasmid vector pcDNA3.1-hOPG and its expression in vitro[J].J Amry Med Univ (J Third Mil Med Univ),2007,29(23):2240-2242.DOI:
Objective To construct eukaryotic expression bicistron plasmid vector pcDNA3.1-hOPG
and to detect the expression of the plasmid in vitro. Methods hOPG cDNA fragment was extracted from plasmid MGC:29565
amplified by PCR
and inserted into pcDNA3.1(-) vector
then identified by restriction endonuclease digestion and nucleotide sequencing. C
2
C
12
cells were transfected with the plasmid using Lipofectamine 2000. The expression of OPG protein was detected by immunohistochemistry techniques and bone wafer pit assay. Results The constructed recombinant plasmid contained the sequence of hOPG gene. After transfection with the plasmid
active OPG protein could be expressed in C
2
C
12
c
ells. Conclusion The constructed eukaryotic expression bicistron plasmid vector pcDNA3.1-hOPG can express OPG in vitro
which is the basis for further study on the treatment of bone absorption caused by abnormal activity of osteoclasts.