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大鼠脾细胞群体的特性。II. 抗原和同种异体细胞的激活作用。

Characterization of rat spleen cell populations. II. Activation by antigens and allogeneic cells.

作者信息

Rocha B, Freitas A A, Parrott D

出版信息

Immunology. 1980 Dec;41(4):825-32.

Abstract

Spleen cells from BN rats were separated in a discontinuous density gradient. Cells from different fractions were shown to be functionally diverse. Light cells were highly responsive in MLR, generated little killer activity and enhanced syngeneic recipient's IgM and IgG production in response to SRBC. Dense cells were unable to respond in MLR and suppress Ab response. Maximum killer activity was recovered from medium density fractions which were probably mixtures of helper and suppressor cells.

摘要

从BN大鼠中分离出的脾细胞在不连续密度梯度中进行分离。不同组分的细胞显示出功能多样性。轻细胞在混合淋巴细胞反应(MLR)中反应强烈,产生的杀伤活性很少,并能增强同基因受体对绵羊红细胞(SRBC)反应时的IgM和IgG产生。重细胞在MLR中无反应且能抑制抗体反应。最大杀伤活性从可能是辅助细胞和抑制细胞混合物的中等密度组分中获得。

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