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Journal of Southern Medical University ; (12): 2093-2096, 2010.
Article in Chinese | WPRIM | ID: wpr-330774

ABSTRACT

<p><b>OBJECTIVE</b>To construct the expression vector of siRNA targeting parathyroid hormone 1 receptor (PTH1R) gene and evaluate its effect on the cell cycle of INS-1 cells.</p><p><b>METHODS</b>The sequences of PTH1R gene was retrieved from Genbank, and 4 pairs of oligonucleotides were synthesized and inserted into pSUPERretro RNAi, which was identified by RT-PCR and sequence analysis. The vectors were then transfected into INS-1 cells, in which the expression of PTH1R was observed by Western blotting to evaluate the transfection efficiency. The cell cycle of INS-1 cells in high glucose medium was detected by flow cytometry.</p><p><b>RESULTS</b>RT-PCR and sequence analysis confirmed the correct construction of the siRNA recombinant expression vector targeting PTH1R gene. The vectors were successfully transfected into INS-1 cells, and the most effective vector was selected by Western blotting. Transfection with the siRNA for PTH1R gene silencing resulted in the inhibition of INS-1 form entering the S phase.</p><p><b>CONCLUSION</b>The successful construction of the recombinant PTH1R-siRNA vectors establishes a basis for further study of protective role of the PTH1R gene in INS-1 cells in high glucose medium.</p>


Subject(s)
Humans , Cell Cycle , Genetic Vectors , Genetics , Glucose , Pharmacology , Insulin-Secreting Cells , Cell Biology , Metabolism , RNA, Small Interfering , Genetics , Receptor, Parathyroid Hormone, Type 1 , Genetics , Metabolism
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