The complete inventory of receptors encoded by the rat natural killer cell gene complex.

The complete inventory of receptors encoded by the rat natural killer cell gene complex.
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DOI:
10.1007/s00251-010-0455-y
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发表时间:
2010-08
期刊:
影响因子:
3.2
通讯作者:
Fossum, Sigbjorn
Fossum, Sigbjorn
中科院分区:
医学4区
文献类型:
--
作者:
Flornes, Line M.;Nylenna, Oyvind;Saether, Per C.;Daws, Michael R.;Dissen, Erik;Fossum, Sigbjorn

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自然杀伤细胞基因复合物(NKC)编码属于c型凝集素超家族的受体,主要由NK细胞和其他白细胞表达。在大鼠中,从Nkrp1a位点开始到Ly49i8位点结束的染色体区域预计包含67个V组c型凝集素超家族基因,使其成为脊椎动物中最大的同源基因聚集体之一。根据这些基因之间的物理接近性和系统发育关系,大鼠NKC可分为四个主要部分。我们之前已经报道了大部分属于着丝粒Nkrp1/Clr集群和两个端粒组Klre1-Klri2和Ly49集群的基因的cDNA克隆。在这里,我们通过展示从Cd69到Dectin1的8个基因的cDNA克隆和转录模式,包括新的Clec2m基因,缩小了Nkrp1/Clr和Klre1-Klri2集群之间的差距。讨论了大鼠NKC的定义、组织和演化。本文的在线版本(doi:10.1007/s00251-010-0455-y)包含补充材料,可供授权用户使用。
The natural killer cell gene complex (NKC) encodes receptors belonging to the C-type lectin superfamily expressed primarily by NK cells and other leukocytes. In the rat, the chromosomal region that starts with the Nkrp1a locus and ends with the Ly49i8 locus is predicted to contain 67 group V C-type lectin superfamily genes, making it one of the largest congregation of paralogous genes in vertebrates. Based on physical proximity and phylogenetic relationships between these genes, the rat NKC can be divided into four major parts. We have previously reported the cDNA cloning of the majority of the genes belonging to the centromeric Nkrp1/Clr cluster and the two telomeric groups, the Klre1–Klri2 and the Ly49 clusters. Here, we close the gap between the Nkrp1/Clr and the Klre1–Klri2 clusters by presenting the cDNA cloning and transcription patterns of eight genes spanning from Cd69 to Dectin1, including the novel Clec2m gene. The definition, organization, and evolution of the rat NKC are discussed. The online version of this article (doi:10.1007/s00251-010-0455-y) contains supplementary material, which is available to authorized users.
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