[Cloning of hsa-miR-148a and construction of its retroviral expression vector].
Nan Fang Yi Ke Da Xue Xue Bao
; 30(7): 1545-7, 1557, 2010 Jul.
Article
em Zh
| MEDLINE
| ID: mdl-20650762
ABSTRACT
OBJECTIVE:
To clone hsa-miR-148a and construct its retroviral expression vector.METHODS:
The pre-miR-148a amplified by PCR was inserted to pMSCV to construct the recombinant retroviral expression plasmid pMSCV-miR-148a, which was confirmed by restriction endonuclease analysis and DNA sequencing. The retroviral expression vector pMSCV-miR-148a and PIK packaging plasmid were cotransfected into 293FT packaging cells by calcium phosphate-mediated transfection to produce the retrovirus, and the retrovirus titer was measured by infection of NIH3T3 cells.RESULTS:
Restriction enzyme digestion and DNA sequencing demonstrated that the retroviral vector pMSCV-miR-148a was constructed successfully, and the virus titer was 5x10(8) CFU/ml after infection of NIH3T3 cells.CONCLUSION:
The successful construction of the retroviral expression vector MSCV-miR-148a allows the production of high-titer retrovirus to facilitate further study of the molecular functions of miR-148a.
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Base de dados:
MEDLINE
Assunto principal:
Retroviridae
/
MicroRNAs
/
Vetores Genéticos
Limite:
Humans
Idioma:
Zh
Ano de publicação:
2010
Tipo de documento:
Article