T-cell receptor gene rearrangement and expression in human natural killer cells: natural killer activity is not dependent on the rearrangement and expression of T-cell receptor alpha, beta, or gamma genes.

T-cell receptor gene rearrangement and expression in human natural killer cells: natural killer activity is not dependent on the rearrangement and expression of T-cell receptor alpha, beta, or gamma genes.
复制标题

人类自然杀伤细胞中 T 细胞受体基因重排和表达:自然杀伤活性不依赖于 T 细胞受体 α、β 或 γ 基因的重排和表达。

DOI:
10.1007/bf00376117
复制
发表时间:
1988
期刊:
影响因子:
3.2
通讯作者:
Landay,AL
Landay,AL
中科院分区:
医学4区
文献类型:
--
作者:
Leiden,JM;Gottesdiener,KM;Quertermous,T;Coury,L;Bray,RA;Gottschalk,L;Gebel,H;Seidman,JG;Strominger,JL;Landay,AL

文献摘要

相似文献

为了检验 T 细胞受体 (Tcr)λ 基因编码自然杀伤 (NK) 细胞受体分子的假设,对来自两名 CD16+ 淋巴细胞增多症患者的 3 个人类 NK 克隆和具有 NK 活性的新鲜外周血淋巴细胞进行了人 Tcr α、β 和 λ 基因的重排和表达分析。其中两个克隆显示出其 Tcr β 和 λ 基因的明显重排,并表达成熟的 Tcr α、β 和 αlRNA。然而,其中一个克隆和两个患者样本都显示出明显的 NK 活性,但未能重排或表达任何 Tcr 基因。这些发现表明人类自然杀伤活性并不依赖于Tcr λ基因重排和表达。此外,他们还证实了之前关于一些自然杀伤细胞中缺乏 Tcr α 和 β 基因表达的发现。因此,他们表明存在额外的 NK 特异性识别分子。
To test the hypothesis that the T-cell receptor (Tcr)λgene encodes a natural killer (NK) cell receptor molecule, three human NK clones and fresh peripheral blood lymphocytes with NK activity from two patients with a CD16+lymphocytosis were analyzed for rearrangements and expression of the humanTcr α, β, andλgenes. Two of the clones displayed distinct rearrangements of theirTcr βandλgenes and expressed matureTcr α, β, andαlRNA. However, one of the clones and both patient samples displayed marked NK activity but failed to rearrange or express any of theirTcrgenes. These findings demonstrate that human natural killer activity is not dependent onTcr λgene rearrangement and expression. In addition, they confirm previous findings concerning the lack ofTcr αandβgene expression in some natural killer cells. Thus, they suggest the existence of additional NK-specific recognition molecules.