Molecular cloning of a human monocyte-derived neutrophil chemotactic factor (MDNCF) and the induction of MDNCF mRNA by interleukin 1 and tumor necrosis factor.

Molecular cloning of a human monocyte-derived neutrophil chemotactic factor (MDNCF) and the induction of MDNCF mRNA by interleukin 1 and tumor necrosis factor.
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DOI:
10.1084/jem.167.6.1883
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发表时间:
1988-06-01
期刊:
The Journal of experimental medicine
影响因子:
--
通讯作者:
Oppenheim JJ
Oppenheim JJ
中科院分区:
其他
文献类型:
--
作者:
Matsushima K;Morishita K;Yoshimura T;Lavu S;Kobayashi Y;Lew W;Appella E;Kung HF;Leonard EJ;Oppenheim JJ

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从LPS刺激的人单核细胞mRNA中克隆了编码人单核细胞衍生嗜中性粒细胞特异性趋化因子(MDNCF)的cDNA。cDNA序列编码由99个氨基酸组成的多肽,包括推定的信号序列。推导的氨基酸序列与天然MDNCF的NH 2-末端氨基酸序列的比较显示,成熟的功能蛋白质包括72个氨基酸,从第28位残基的丝氨酸开始。推导的氨基酸序列显示出惊人的相似性,几个血小板衍生因子,一个v-src诱导的蛋白质,生长调节基因产物(gro),和IFN-γ诱导蛋白。MDNCF cDNA的可用性使我们能够使用它作为探针来鉴定人PBMC中MDNCF mRNA表达的诱导剂。MDNCF mRNA在LPS、IL-1或TNF刺激后1小时内增加超过10倍,但IFN-γ、IFN-α或IL-2刺激后未增加。此外,我们还确定了LPS,IL-1和TNF刺激单核细胞产生具有生物活性的MDNCF。这一观察结果可以解释IL-1和TNF诱导神经细胞浸润的体内能力。
The cDNA coding for human monocyte-derived neutrophil-specific chemotactic factor (MDNCF) was cloned from LPS-stimulated human monocyte mRNA. The cDNA sequence codes for a polypeptide consisting of 99 amino acids, including a putative signal sequence. Comparison of the deduced amino acid sequence with the NH2-terminal amino acid sequence of natural MDNCF shows that the mature functional protein comprises 72 amino acids, beginning with serine at residue 28. The deduced amino acid sequence shows striking similarity to several platelet-derived factors, a v-src-induced protein, a growth-regulated gene product (gro), and an IFN-gamma inducible protein. The availability of the MDNCF cDNA enabled us to use it as a probe to identify inducers of MDNCF mRNA expression in human PBMC. MDNCF mRNA was increased greater than 10-fold within 1 h after stimulation with LPS, IL-1, or TNF, but not by IFN-gamma, IFN-alpha, or IL-2. Furthermore, we also determined that LPS, IL-1, and TNF stimulated the mononuclear cells to produce biologically active MDNCF. This observation may account for the in vivo capacity of IL-1 and TNF to induce netrophil infiltrates.
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