FREE BILE-ACIDS INHIBIT IGE PRODUCTION BY MOUSE SPLEEN LYMPHOCYTES STIMULATED BY LIPOPOLYSACCHARIDE AND INTERLEUKINS

被引:14
作者
LIM, BO
YAMADA, K
YOSHIMURA, K
WATANABE, T
HUNG, P
TANIGUCHI, S
SUGANO, M
机构
[1] Laboratory of Food Science, Department of Food Science and Technology, Faculty of Agriculture 46-09, Kyushu University, Fukuoka 812-81, 6-10-1 Hakozaki, Higashi-ku
关键词
D O I
10.1271/bbb.59.624
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
The interaction of IL-4, IL-5, and free bile acids with the immunoglobulin production by mouse spleen lymphocytes was studied to examine their immunoregulatory activity, In the absence of lipopolysaccharide (LPS), IL-4 enhanced the IgE and IgG production significantly and the IgA production weakly, but not the IgM production. On the other hand, IL-5 had an inhibitory tendency on the IgE and IgA production, though not significantly, In the presence of LPS, both IL-4 and IL-5 significantly enhanced the IgE production by mouse splenic lymphocytes, When the lymphocytes were cultured with the physiological concentration of free bile acids (10 mu M) and LPS for 3 days, chenodeoxycholic acid inhibited the IgE production, but cholic and deoxycholic acids did not, In the presence of IL-4 or IL-5, these bile acids cancelled the stimulatory effects of interleukins and rather significantly inhibited the IgE production. These results suggest that these free bile acids act as an anti-allergic agent.
引用
收藏
页码:624 / 627
页数:4
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