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脂多糖(LPS)对胸腺细胞对PHA反应的影响:品系差异

Effect of lipopolysaccharide (LPS) on the thymocyte response to PHA: strain difference.

作者信息

Mizuguchi J, Kakiuchi T, Nariuchi H, Matuhasi T

出版信息

Immunology. 1980 Oct;41(2):393-8.

Abstract

Thymocytes responded well to PHA in terms of [3H]-TdR incorporation if they were precultured in the presence of LPS, whereas fresh thymocytes or thymocytes pre-cultured in the absence of LPS responded poorly to PHA. The PHA response of thymocytes pre-cultured with LPS for several hours was similar to that of fresh spleen cells in the kinetics and dose-response profiles. The effect of LPS was found on thymocytes from BALB/c.Cr, AKR/Jms, and DDD/1 mice, but was not observed on those from C3H/HeJms and C57Bl/6J mice, indicating that there is a strain difference in the PHA responsiveness of LPS-pre-cultured thymocytes. In contrast to thymocytes, the response of spleen cells to PHA was enhanced in both C57Bl/6J and BALB/c.Cr mice by pre-culture with LPS.

摘要

如果胸腺细胞在脂多糖(LPS)存在的情况下进行预培养,那么它们对植物血凝素(PHA)刺激的[3H]-胸腺嘧啶核苷(TdR)掺入反应良好,而新鲜胸腺细胞或在无LPS条件下预培养的胸腺细胞对PHA的反应较差。用LPS预培养数小时的胸腺细胞对PHA的反应在动力学和剂量反应曲线上与新鲜脾细胞相似。在BALB/c.Cr、AKR/Jms和DDD/1小鼠的胸腺细胞中发现了LPS的作用,但在C3H/HeJms和C57Bl/6J小鼠的胸腺细胞中未观察到,这表明LPS预培养的胸腺细胞对PHA的反应性存在品系差异。与胸腺细胞相反,在C57Bl/6J和BALB/c.Cr小鼠中,脾细胞经LPS预培养后对PHA的反应均增强。

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