The priming action of tumour necrosis factor‐alpha (TNF‐α) and granulocyte‐macrophage colony‐stimulating factor (GM‐CSF) on neutrophils activated by inflammatory microcrystals

The priming action of tumour necrosis factor‐alpha (TNF‐α) and granulocyte‐macrophage colony‐stimulating factor (GM‐CSF) on neutrophils activated by inflammatory microcrystals
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肿瘤坏死因子-α(TNF-α)和粒细胞巨噬细胞集落刺激因子(GM-CSF)对炎症微晶激活的中性粒细胞的启动作用

DOI:
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发表时间:
1997
影响因子:
4.6
通讯作者:
J. K. Jackson
J. K. Jackson
中科院分区:
医学3区
文献类型:
--
作者:
H. Burt;J. K. Jackson

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我们研究了TNF-α或GM-CSF对活性氧产生(通过化学发光测量)和中性粒细胞对调理的炎症微晶的脱粒反应的影响。浓度范围为10-2000 μ m的TNF-α或浓度范围为2-200 μ m的GM-CSF导致中性粒细胞对焦磷酸钙二水合物(CPPD)和尿酸盐一水合物(MSUM)晶体的化学发光反应的浓度依赖性放大。 当在2000 pm用TNF-α或在75 pm用GM-CSF预处理细胞时,通过颗粒酶髓过氧化物酶或溶菌酶的细胞外释放测量的脱粒反应对于MSUM或CPPD晶体诱导的中性粒细胞活化均放大了50-100%。  
We studied the effects of TNF‐α or GM‐CSF on the production of reactive oxygen species (as measured by chemiluminescence) and degranulation responses of neutrophils to opsonized inflammatory microcrystals. TNF‐α in the 10–2000 pm or GM‐CSF in the 2–200 pm concentration range caused the concentration‐dependent amplification of neutrophil chemiluminescence responses to both calcium pyrophosphate dihydrate (CPPD) and monosodium urate monohydrate (MSUM) crystals. Degranulation responses, as measured by the extracellular release of the granule enzymes myeloperoxidase or lysozyme, were amplified by ≈ 50–100% for both MSUM or CPPD crystal‐induced neutrophil activation when cells were pretreated with TNF‐α at 2000 pm or GM‐CSF at 75 pm.
DOI: --
发表时间: 1990
期刊: The Journal of biological chemistry
影响因子: --
作者:
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发表时间: 1991-04-01
影响因子: 15.9
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通讯作者: DUFF, GW