Prevalence of T cell receptor ζchain deficiency in systemic lupus erythematosus

Prevalence of T cell receptor ζchain deficiency in systemic lupus erythematosus
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系统性红斑狼疮中 T 细胞受体 z 链缺陷的患病率

DOI:
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发表时间:
2003
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影响因子:
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通讯作者:
G. Tsokos
G. Tsokos
中科院分区:
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文献类型:
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作者:
M. Nambiar;J. Mitchell;R. Ceruti;M. Malloy;G. Tsokos

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来自系统性红斑狼疮(SLE)患者的T细胞显示与缺陷性T细胞受体(TCR)z链表达相关的抗原受体介导的信号传导畸变。我们从一个由SLE疾病活动指数(SLEDAI)确定的具有不同临床疾病活动水平的不同种族患者的大型队列中确定了SLE中TCR z链缺陷的患病率。我们的数据显示,在SLE患者中TCR z链缺陷的发生率为78%。TCR Z链缺陷与SLEDAI评分及治疗无关。TCR z链缺陷也与年龄、种族或性别无关,并持续3年随访期。因此,在SLE患者中TCR z链缺陷的患病率很高,这与疾病活动无关,并且随着时间的推移持续存在,表明TCR z链缺陷在SLE发病机制中起重要作用。
T cells from patients with systemic lupus erythematosus (SLE) display antigen receptor-mediated signaling aberrations associated with defective T cell receptor (TCR) z chain expression. We determined the prevalence of TCR z chain deficiency in SLE from a large cohort of unselected racially diverse patients with different levels of clinical disease activity as determined by SLE Disease Activity Index (SLEDAI). Our data show that the occurrence of TCR z chain deficiency is 78% in SLE patients. There was no relationship between the deficiency of TCR z chain and the SLEDAI scores or therapy. TCR z chain deficiency was also not associated with age, race or gender and persisted over a 3 year follow-up period. Thus, there is a high prevalence of TCR z chain deficiency in SLE patients that is independent of disease activity, and persists over time indicating an important role for TCR z chain deficiency in SLE pathogenesis.
DOI: 10.1093/hmg/8.4.639
发表时间: 1999-04-01
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