抗细胞凋亡因子(Defender against cell death 1,DAD1)是一种重要的内源性细胞凋亡抑制因子.采用RACE-PCR方法,结合SMART cDNA合成方法、抑制性差减杂交技术,从青石斑鱼脾脏中克隆DAD1并研究其在正常的青石斑鱼和注射了脂多糖的青石斑...抗细胞凋亡因子(Defender against cell death 1,DAD1)是一种重要的内源性细胞凋亡抑制因子.采用RACE-PCR方法,结合SMART cDNA合成方法、抑制性差减杂交技术,从青石斑鱼脾脏中克隆DAD1并研究其在正常的青石斑鱼和注射了脂多糖的青石斑鱼各组织中的表达模式.结果表明:DAD1基因cDNA全长721 bp,包含一个342 bp的完整阅读框,编码一个由113个氨基酸组成的蛋白.RT-PCR半定量分析显示DAD1在正常的青石斑鱼和注射了脂多糖的青石斑鱼的脾、心、头肾、肾、肝中都有转录,在脾、肝中表达水平较高,而在肌肉中未见明显表达.DAD1在注射了脂多糖的青石斑鱼各组织中的表达量均高于正常的青石斑鱼.展开更多
抗细胞凋亡因子1(Defender against cell death 1,DAD1)是内质网内膜上糖基转移酶复合体亚基之一。本文通过RT-PCR及RACE技术从虹鳟脑组织中克隆到DAD1基因cDNA全长序列(GenBank登录号:FJ849061)。该基因包括88 bp 5'-UTR、292 bp 3...抗细胞凋亡因子1(Defender against cell death 1,DAD1)是内质网内膜上糖基转移酶复合体亚基之一。本文通过RT-PCR及RACE技术从虹鳟脑组织中克隆到DAD1基因cDNA全长序列(GenBank登录号:FJ849061)。该基因包括88 bp 5'-UTR、292 bp 3'-UTR以及342 bp开放阅读框(ORF)。该基因编码113个氨基酸,存在三个明显跨膜区,无信号肽序列。通过蛋白序列比对显示虹鳟DAD1蛋白序列与大西洋鲑、白斑狗鱼、斑马鱼以及裸盖鱼同源性均在90%以上。系统发育分析显示DAD1蛋白主要聚成两个群:脊椎动物DAD1群与无脊椎动物DAD1群。虹鳟DAD1与大西洋鲑DAD1蛋白亲源关系最近。展开更多
The mammal evolved large numbers of antiviral genes during the long-term choice of the virus infections. In recent years, some proper non-cytolytic anti-HIV-1 factors, for examples, the CAF, APOBEC and Trim5α were di...The mammal evolved large numbers of antiviral genes during the long-term choice of the virus infections. In recent years, some proper non-cytolytic anti-HIV-1 factors, for examples, the CAF, APOBEC and Trim5α were discovered continuously in different primate species. These findings bring the bright prospect to further understand the interaction mechanism between HIV-1 and its host, and new therapeutic prophylactic strategies to fight HIV-1 infections were developed. Particularly for exciting is, these researches all give a new path for a kind of latently, making use of proper composition to cure HIV-1 infections. Accordingly, this paper will review these researches.展开更多
文摘抗细胞凋亡因子(Defender against cell death 1,DAD1)是一种重要的内源性细胞凋亡抑制因子.采用RACE-PCR方法,结合SMART cDNA合成方法、抑制性差减杂交技术,从青石斑鱼脾脏中克隆DAD1并研究其在正常的青石斑鱼和注射了脂多糖的青石斑鱼各组织中的表达模式.结果表明:DAD1基因cDNA全长721 bp,包含一个342 bp的完整阅读框,编码一个由113个氨基酸组成的蛋白.RT-PCR半定量分析显示DAD1在正常的青石斑鱼和注射了脂多糖的青石斑鱼的脾、心、头肾、肾、肝中都有转录,在脾、肝中表达水平较高,而在肌肉中未见明显表达.DAD1在注射了脂多糖的青石斑鱼各组织中的表达量均高于正常的青石斑鱼.
文摘抗细胞凋亡因子1(Defender against cell death 1,DAD1)是内质网内膜上糖基转移酶复合体亚基之一。本文通过RT-PCR及RACE技术从虹鳟脑组织中克隆到DAD1基因cDNA全长序列(GenBank登录号:FJ849061)。该基因包括88 bp 5'-UTR、292 bp 3'-UTR以及342 bp开放阅读框(ORF)。该基因编码113个氨基酸,存在三个明显跨膜区,无信号肽序列。通过蛋白序列比对显示虹鳟DAD1蛋白序列与大西洋鲑、白斑狗鱼、斑马鱼以及裸盖鱼同源性均在90%以上。系统发育分析显示DAD1蛋白主要聚成两个群:脊椎动物DAD1群与无脊椎动物DAD1群。虹鳟DAD1与大西洋鲑DAD1蛋白亲源关系最近。
文摘The mammal evolved large numbers of antiviral genes during the long-term choice of the virus infections. In recent years, some proper non-cytolytic anti-HIV-1 factors, for examples, the CAF, APOBEC and Trim5α were discovered continuously in different primate species. These findings bring the bright prospect to further understand the interaction mechanism between HIV-1 and its host, and new therapeutic prophylactic strategies to fight HIV-1 infections were developed. Particularly for exciting is, these researches all give a new path for a kind of latently, making use of proper composition to cure HIV-1 infections. Accordingly, this paper will review these researches.
