Abnormal histamine-induced suppressor-cell function in atopic subjects.

Abnormal histamine-induced suppressor-cell function in atopic subjects.
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特应性受试者中组胺诱导的抑制细胞功能异常。

DOI:
10.1056/nejm198202253060804
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发表时间:
1982
期刊:
The New England journal of medicine
影响因子:
--
通讯作者:
Rocklin,RE
Rocklin,RE
中科院分区:
--
文献类型:
--
作者:
Beer,DJ;Osband,ME;McCaffrey,RP;Soter,NA;Rocklin,RE

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为了检测特应性受试者免疫调节功能的潜在缺陷,我们研究了组胺诱导的抑制T细胞活性和T细胞上的组胺1型和2型受体。来自16名特应性受试者的外周血单核细胞产生的组胺诱导的抑制活性低于20名非特应性正常对照(P<0.005)。特应性组T淋巴细胞携带组胺2型受体的百分比低于对照组(P<0.001),而携带1型受体的细胞百分比在两组中相同。在特应性受试者中,功能抑制细胞异常与组胺2型受体表型表达下降呈正相关。在这些受试者中,未发现刀豆蛋白A诱导的抑制活性异常。患有系统性肥大细胞增多症的非特应性对照受试者有正常的功能和表型数据,这表明体内循环组胺对特应性T细胞的慢性激活不能解释组胺诱导的异常抑制反应。(英国医学杂志)1982年;306:454-8。)
To detect a potential defect in immunoregulatory function in atopic subjects, we studied histamine-induced suppressor-T-cell activity and histamine Type 1 and Type 2 receptors on T cells. Peripheral-blood mononuclear cells from 16 atopic subjects generated less histamine-induced suppressor activity than did those from 20 nonatopic normal controls (P<0.005). The percentage of T lymphocytes bearing histamine Type 2 receptors was lower in the atopic group than in the control group (P<0.001), but the percentage of cells with Type 1 receptors was the same in both groups. In the atopic subjects, the functional suppressor-cell abnormality positively correlated with the decreased phenotypic expression of histamine Type 2 receptors. No abnormality in concanavalin A-induced suppressor activity was detected in these subjects. Nonatopic control subjects with systemic mastocytosis had normal functional and phenotypic data, suggesting that chronic activation of atopic T cells in vivo by circulating histamine does not explain the abnormal histamine-induced suppressor response. (N Engl J Med. 1982; 306:454–8.)
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