USE OF DIFFERENT CARRIERS TO DEMONSTRATE THYMIC-DEPENDENT AND THYMIC-INDEPENDENT ANTI-TRINITROPHENYL REACTIVITY IN THE AMPHIBIAN XENOPUS-LAEVIS

被引:16
作者
HORTON, JD [1 ]
EDWARDS, BF [1 ]
RUBEN, LN [1 ]
METTE, S [1 ]
机构
[1] REED COLL,DEPT BIOL,PORTLAND,OR 97202
基金
美国国家卫生研究院;
关键词
D O I
10.1016/S0145-305X(79)80057-9
中图分类号
S9 [水产、渔业];
学科分类号
0908 ;
摘要
Anti-trinitrophenyl (TNP) rosette forming cell reactivity can be demonstrated in spleens of control Xenopus Zaevis following a single in vivo injection of either TNP-LPS (trinitrophenylated lipolysaccharide) or TNP-Ficoll (trinitrophenylated Ficoll). TNP-SRBC (trinitrophenylated sheep red blood cells) immunisation is also effective in this respect, but this antigen requires low-dose carrier (SRBC) priming to achieve significant levels of TNP-binding lymphocytes. Thymectomized toadlets respond normally to TNP-LPS, but splenic reactivity to both TNP-SRBC and TNP-Ficoll is virtually abolished. We suggest that the amphibian thymus is not only the source of T cells that cooperate in humoral immunity, but that this organ also plays a vital role in the maturation of some B-equivalent" lymphocyte populations. © 1979 Pergamon Press Ltd. All rights reserved."
引用
收藏
页码:621 / 633
页数:13
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