소 β-casein 유전자 영역에서 소 Insulin-like Growth Factor 1을 생산하기 위한 Knock-in Vector
Knock-in Vector for Expression of Insulin-like Growth Factor 1 on the Bovine β-casein Gene Locus
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초록
영어
Insulin-like growth factor-1 (IGF-1) is known to play an important role in the growth of the animal. The objective of this study is construction of knock-in vector that bovine IGF-1 gene is inserted into the exon 7 locus of β-casein gene and expressed using the gene regulatory DNA sequence of bovine β-casein gene. The knock-in vector consists of 5’ arm region (1.02 kb), bIGF-1 cDNA, CMV-EGFP, and 3’ arm region (1.81 kb). To express bIGF-1 gene as transgene, the F2A sequence was fused to the 5’ terminal of bIGF-1 gene and inserted into exon 7 of the β-casein gene. As a result, the knock-in vector is confirmed that the amino acids are synthesized without termination from the β-casein exon 7 region to the bIGF-1 gene by DNA sequence. These knock-in vectors may help to create transgenic dairy cattle expressing bovine bIGF-1 protein in the mammary gland via the expression system of the bovine β-casein gene.
목차
ABSTRACT 서론 재료 및 방법 RT-PCR에 의한 소 IGF-1 cDNA의 동정 Knock-in 벡터의 구축 결과 및 고찰 인용문헌