CD8+ immunodominance among Epstein-Barr virus lytic cycle antigens directly reflects the efficiency of antigen presentation in lytically infected cells.

CD8+ immunodominance among Epstein-Barr virus lytic cycle antigens directly reflects the efficiency of antigen presentation in lytically infected cells.
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爱泼斯坦 - 巴尔病毒裂解循环抗原之间的CD8+免疫主导直接反映了抗原感染细胞中抗原的效率。

DOI:
10.1084/jem.20041542
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发表时间:
2005-02-07
影响因子:
15.3
通讯作者:
Hislop, AD
Hislop, AD
中科院分区:
医学1区
文献类型:
--
作者:
Pudney, VA;Leese, AM;Rickinson, AB;Hislop, AD

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抗原免疫优势是CD8+ T细胞对疱疹病毒反应的一个无法解释的特征,疱疹病毒是一种溶解复制涉及立即早期(IE)、早期(E)和晚期(L)蛋白的顺序表达的因子。在此,我们分析了不同HLA背景下CD8对eb病毒感染的2种IE蛋白、11种代表性E蛋白和10种代表性L蛋白的反应性。反应始终倾向于IE蛋白的表位和E蛋白的一个子集,只有偶尔对L蛋白的新表位有反应。具有代表性的IE、E和L表位的CD8+ T细胞克隆对含有裂解感染细胞的ebv转化淋巴母细胞样细胞系(LCLs)进行了检测。这表明所有三组效应物都能直接识别裂解感染的细胞,但水平明显不同,顺序为IE b> E L,这表明表位呈递的效率随着裂解周期的进展而急剧下降。因此,EBV裂解周期抗原显示免疫优势等级,直接反映其在裂解感染细胞中的呈递效率;因此,CD8+ T细胞的反应集中在识别导致最大生物效应的靶标上。
Antigen immunodominance is an unexplained feature of CD8+ T cell responses to herpesviruses, which are agents whose lytic replication involves the sequential expression of immediate early (IE), early (E), and late (L) proteins. Here, we analyze the primary CD8 response to Epstein-Barr virus (EBV) infection for reactivity to 2 IE proteins, 11 representative E proteins, and 10 representative L proteins, across a range of HLA backgrounds. Responses were consistently skewed toward epitopes in IE and a subset of E proteins, with only occasional responses to novel epitopes in L proteins. CD8+ T cell clones to representative IE, E, and L epitopes were assayed against EBV-transformed lymphoblastoid cell lines (LCLs) containing lytically infected cells. This showed direct recognition of lytically infected cells by all three sets of effectors but at markedly different levels, in the order IE > E ≫ L, indicating that the efficiency of epitope presentation falls dramatically with progress of the lytic cycle. Thus, EBV lytic cycle antigens display a hierarchy of immunodominance that directly reflects the efficiency of their presentation in lytically infected cells; the CD8+ T cell response thereby focuses on targets whose recognition leads to maximal biologic effect.
DOI: 10.1182/blood-2003-06-1937
发表时间: 2004-08-15
期刊: BLOOD
影响因子: 20.3
作者:
Manley, TJ;Luy, L;Riddell, SR
通讯作者: Riddell, SR
在体内对Epstein-Barr病毒的主要免疫反应期间,抗原特异性CD8+ T细胞的直接可视化。
DOI: 10.1084/jem.187.9.1395
发表时间: 1998-05-04
期刊: The Journal of experimental medicine
影响因子: --
作者:
Callan MF;Tan L;Annels N;Ogg GS;Wilson JD;O'Callaghan CA;Steven N;McMichael AJ;Rickinson AB
通讯作者: Rickinson AB
DOI: 10.4049/jimmunol.167.8.4450
发表时间: 2001-10-15
影响因子: 4.4
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Catalina, MD;Sullivan, JL;Luzuriaga, K
通讯作者: Luzuriaga, K
DOI: 10.1073/pnas.2131705100
发表时间: 2003-10-28
影响因子: 11.1
作者:
Koelle, DM;Liu, Z;Corey, L
通讯作者: Corey, L
DOI: 10.1093/intimm/5.5.451
发表时间: 1993-05-01
影响因子: 4.4
作者:
LEE, SP;WALLACE, LE;RICKINSON, AB
通讯作者: RICKINSON, AB