構(gòu)建pcDNA3.1-BMP-2重組載體及轉(zhuǎn)染兔BMSCs的研究
[Abstract]:Objective: to construct eukaryotic expression plasmid pcDNA3.1-BMP-2, of bone morphogenetic protein-2 (BMP-2) and transfect (BMSCs). Into rabbit bone marrow mesenchymal stem cells (BMSCs). The expression of BMP-2 gene after transfection was detected. Methods: (1) the genomic DNA, extracted from human peripheral blood was used to synthesize BMP-2 gene by polymerase chain reaction (PCR). The BMP-2 gene was recombined with pcDNA3.1 vector to construct the expression plasmid pcDNA3.1-BMP-2.. Then the recombinant was detected by PCR and DNA sequencing. (2) the expression of BMP-2 gene was detected by RT-PCR, immunohistochemistry and Western blotting (Western blot). (2) Rabbit BMSCs, was transfected with pcDNA3.1-BMP-2. Results: (1) it was confirmed by PCR amplification and DNA sequencing that the target gene fragment of recombinant plasmid constructed in this study was human BMP-2-cDNA. (2) by RT-PCR, immunohistochemistry and Western blot, a large number of BMP-2 mRNA transcription and protein expression were found in the BMSCs transfected with pcDNA3.1-BMP-2. No positive expression was found in untransfected rabbit BMSCs. Conclusion: (1) the eukaryotic expression plasmid of BMP-2 was successfully constructed and expressed in rabbit BMSCs. (2) this study laid a foundation for further study on the method of BMP-2 gene transfection to accelerate the bone formation of distraction osteogenesis (Distraction osteogenesis DO).
【學(xué)位授予單位】:廣西醫(yī)科大學(xué)
【學(xué)位級(jí)別】:碩士
【學(xué)位授予年份】:2010
【分類號(hào)】:R341
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