Novel putative promoter/enhancer sequences are shared by the mouse and human perforin (Pfp) genes.

Novel putative promoter/enhancer sequences are shared by the mouse and human perforin (Pfp) genes.
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小鼠和人穿孔素 (Pfp) 基因共享新的推定启动子/增强子序列。

DOI:
10.1111/j.1399-0039.1990.tb01833.x
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发表时间:
1990
期刊:
影响因子:
--
通讯作者:
Dupont,B
Dupont,B
中科院分区:
医学4区
文献类型:
--
作者:
Trapani,JA;Dupont,B

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该报告描述了小鼠成孔蛋白(穿孔素)基因(Pfp)的组织,该基因与相应的人类基因高度相似。Pfp包含三个外显子,其中第一个完全由5'非编码序列组成,由一个1.94 kb的内含子与两个多肽编码外显子隔开。该基因的启动子区域与人类的启动子区域非常相似,在 mRNA 帽位点的 0.7 kb 范围内有 6 个高度同源性片段。然而,与先前描述的启动子/增强子元件相似的人类基因的许多序列在小鼠中保守性较差,这表明这些基序可能没有功能意义,并且Pfp表达的控制机制可能对杀伤细胞具有高度特异性。
This report describes the organization of the mouse pore‐forming protein (perforin) gene(Pfp), which is highly analogous to that of the corresponding human gene.Pfpcomprises three exons, the first of which consists entirely of 5′ non‐coding sequence, separated by an intron of 1.94 kb from the two polypeptide‐coding exons. The promoter region of the gene shows strong similarity to that in humans, with six stretches of high homology noted within 0.7 kb of the mRNA cap site. However, many of the sequences of the human gene with similarity to previously described promoter/enhancer elements are poorly conserved in the mouse, suggesting that these motifs may be of no functional significance, and that control mechanisms for expression ofPfpmay be highly specific to killer cells.
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影响因子: --
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