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免疫反应的遗传控制。无反应小鼠免疫(IgG)记忆中的选择性缺陷。

Genetic control of the immune response. A selective defect in immunologic (IgG) memory in nonresponder mice.

作者信息

Grumet F C

出版信息

J Exp Med. 1972 Jan;135(1):110-25. doi: 10.1084/jem.135.1.110.

Abstract

The kinetics of antibody formation after immunization with the synthetic polypeptide poly-L(Tyr, Glu)-poly-D, L-Ala--poly-L-Lys [(T, G)-A--L] in aqueous solution were studied in genetically high (H-2(b)) and low (H-2(k)) responder strains of mice. During the 1st wk after immunization both strains developed brisk primary responses consisting of IgM antibody. With subsequent antigen challenge, only the high responder mice showed immunological memory, producing high titers of IgG antibody. In contrast, the low responder mice continued to make a persistent low level of IgM antibody and appeared unreactive to secondary or tertiary antigen challenge. These data are consistent with the hypothesis that the immune response-1 gene [controlling response to (T, G)-A--L] exerts its effect on the immune response at the time of switchover from IgM to IgG antibody production.

摘要

在遗传上高应答(H-2(b))和低应答(H-2(k))的小鼠品系中,研究了用合成多肽聚-L(酪氨酸,谷氨酸)-聚-D,L-丙氨酸-聚-L-赖氨酸[(T,G)-A-L]在水溶液中免疫后抗体形成的动力学。在免疫后的第1周,两个品系都产生了由IgM抗体组成的活跃的初次应答。随后进行抗原攻击时,只有高应答小鼠表现出免疫记忆,产生高滴度的IgG抗体。相比之下,低应答小鼠继续产生持续低水平的IgM抗体,并且对二次或三次抗原攻击似乎无反应。这些数据与免疫反应-1基因[控制对(T,G)-A-L的反应]在从IgM抗体产生转换为IgG抗体产生时对免疫反应发挥作用的假设一致。

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