Expression of mRNA and immunoreactivity for the granulocyte/macrophage colony-stimulating factor in activated human eosinophils.

Expression of mRNA and immunoreactivity for the granulocyte/macrophage colony-stimulating factor in activated human eosinophils.
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DOI:
10.1084/jem.174.3.749
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发表时间:
1991-09-01
影响因子:
15.3
通讯作者:
KAY, AB
KAY, AB
中科院分区:
医学1区
文献类型:
--
作者:
MOQBEL, R;HAMID, Q;YING, S;BARKANS, J;HARTNELL, A;TSICOPOULOS, A;WARDLAW, AJ;KAY, AB

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应用原位杂交技术,我们发现活化的人外周血嗜酸粒细胞表达粒细胞/巨噬细胞集落刺激因子(GM-CSF)的mRNA。经钙离子载体A23187或干扰素γ刺激后,有15%~27%的嗜酸性粒细胞呈GM-CSF mRNA阳性杂交信号;经IL-3或IL-5孵育后,有4%~6%的嗜酸性粒细胞呈阳性杂交信号。活化的嗜酸性粒细胞也能与抗GM-CSF多克隆抗体发生特异性免疫反应,提示该mRNA被翻译。这些数据表明,嗜酸性粒细胞可能是变态反应性炎症部位GM-CSF的重要来源。此外,人类嗜酸性粒细胞产生GM-CSF的鉴定表明,这种类型的细胞的促炎潜力可能比迄今所认识的要大得多。
Using in situ hybridization, we have shown that activated human peripheral blood eosinophils express mRNA for granulocyte/macrophage colony-stimulating factor (GM-CSF). Between 15 and 27% of eosinophils gave positive hybridization signals for GM-CSF mRNA after stimulation with the calcium ionophore A23187 or interferon gamma, and 4 and 6% after incubation with interleukin 3 (IL-3) or IL-5. Activated eosinophils also gave specific immunoreactivity with an anti-GM-CSF polyclonal antibody, suggesting translation of the mRNA. These data indicate that eosinophils may be an important source of GM-CSF at sites of allergic inflammation. Furthermore, the identification of GM-CSF production by human eosinophils suggests that the pro-inflammatory potential of this cell type may be substantially greater than hitherto recognized.
DOI: 10.1073/pnas.84.19.6760
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发表时间: 1991-05-01
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发表时间: 1991-03-01
期刊: The Journal of experimental medicine
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