Specific inhibition of immunoglobulin E-mediated allergic reaction using antisense FcεRIα oligodeoxynucleotides

被引:0
|
作者
Kim, HM [1 ]
Kim, KS [1 ]
Lee, EH [1 ]
机构
[1] Wonkwang Univ, Coll Pharm, Dept Oriental Pharm, Iksan 570749, Chonbuk, South Korea
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中图分类号
R392 [医学免疫学]; Q939.91 [免疫学];
学科分类号
100102 ;
摘要
We have investigated the ability of an antisense immunoglobulin E (IgE) receptor alpha-subunit oligodeoxynucleotide (Fc epsilon RI alpha ODN) specifically to inhibit IgE-mediated allergic reactions in the mouse. Synthetic antisense Fc epsilon RI alpha ODN close-dependently inhibited passive cutaneous anaphylaxis and histamine release from the mouse peritoneal mast cells (MPMC) activated by anti-dinitrophenyl (DNP) IgE. Northern blot analysis showed that the mast cells treated with antisense Fc epsilon RI alpha ODN exhibited no detectable levels of L-histidine decarboxylase mRNA after anti-DNP IgE stimulation, whereas the cells treated with sense Fc epsilon RI alpha ODN possessed significant amounts of this mRNA. Examination of the elevation of cAMP levels in MPMC following the activation with anti-DNP IgE demonstrated a significant rise in activated cells, bur not in the antisense Fc epsilon RI alpha ODN-treated cells. Moreover, antisense Fc epsilon RI alpha ODN had a significant inhibitory effect on anti-DNP IgE-induced tumour necrosis factor-alpha production. Our results demonstrated that antisense Fc epsilon RI alpha ODN inhibited the IgE-mediated allergic reaction in vivo and in v vitro.
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页码:589 / 594
页数:6
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