pLPCX逆转录病毒载体

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载体订购信息

产品编号
GS-1067
产品名称
pLPCX 逆转录病毒载体
市场价格
￥ 1000
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载体基本信息

载体名称:
pLPCX
载体类型:
逆转录病毒载体
克隆方法:
/
拷贝类型:
/
载体抗性:
Ampicillin (氨苄青霉素)
筛选标记:
Puromycin (嘌呤霉素)
载体大小:
6265 bp 点击查看完整序列
启动子:
CMV
测序引物5’:
LNCX: 5'd[AGCTCGTTTAGTGAACCGTCAGATC]3'
测序引物3’:
/
报告基因:
/

载体图谱展示

载体图谱

载体说明

pLPCX contains elements derived from Moloney murine leukemia virus (MoMuLV) and Moloney murine sarcoma virus (MoMuSV), and is designed for retroviral gene delivery and expression (1–3). Upon transfection into a packaging cell line, pLPCX transiently expresses, or integrates and stably expresses, a transcript containing Ψ+ (the extended viral packaging signal) the puromycin resistance gene, and the gene of interest. The 5' viral LTR in this vector contains promoter/enhancer sequences that control expression of the puromycin resistance (Puror) gene for antibiotic selection in eukaryotic cells. A gene of interest can be cloned into the multiple cloning site immediately downstream of the human cytomegalovirus (CMV) immediate early promoter (PCMV IE). pLPCX also includes the Col E1 origin of replication and E. coli Ampr gene for propagation and antibiotic selection in bacteria.

载体应用

pLPCX can be transfected into a packaging cell line such as the RetroPackTM PT67 Cell Line (Cat. No. 631510). Once in the cell, RNA from the vector is packaged into infectious, replication- incompetent retroviral particles. pLPCX does not contain the structural genes (gag, pol, and env) necessary for particle formation and replication; however, these genes are stably integrated into PT67 (4–7). Subsequent introduction of pLPCX, containing Ψ+, transcription and processing elements, and the gene of interest produces high-titer, replication-incompetent infectious virus. These retroviral particles can infect target cells and transmit the gene of interest (which is cloned between the viral LTR sequences), but cannot replicate within these cells since the cells lack the viral structural genes. The separate introduction and integration of the structural genes into the packaging cell line minimizes the chances of producing replication- competent virus due to recombination events during cell proliferation.

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