SHORT COMMUNICATION: Cytokines Induce an L‐Arginine‐Dependent Effector System in Nonmacrophage Cells

SHORT COMMUNICATION: Cytokines Induce an L‐Arginine‐Dependent Effector System in Nonmacrophage Cells
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简短交流:细胞因子在非巨噬细胞中诱导 L-精氨酸依赖性效应系统

DOI:
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发表时间:
1988
影响因子:
5.5
通讯作者:
Z. Vavr̆ín
Z. Vavr̆ín
中科院分区:
医学3区
文献类型:
--
作者:
I. Amber;J. Hibbs;R. R. Taintor;Z. Vavr̆ín

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用γ干扰素(rMuIFNγ)加肿瘤坏死因子(rMuTNFα)和/或白细胞介素- 1 (rHuIL‐1α)治疗EMT‐6乳腺腺癌细胞可导致铁- 55标签的释放、DNA复制的抑制和乌头酶活性的抑制。此外,相同的细胞因子组合诱导EMT - 6细胞直接从L -精氨酸合成L -瓜氨酸、亚硝酸盐和硝酸盐。在rMuIFNγ存在的情况下,将脂多糖(LPS)添加到EMT‐6细胞中,可以作为诱导这些代谢效应的辅助因子。结果表明,微环境中细胞因子水平的升高可以在非宿主防御的体细胞中诱导新的效应通路,从而产生特定的代谢作用并抑制细胞增殖。
Treatment of EMT‐6 mammary adenocarcinoma cells with gamma interferon (rMuIFNγ) plus tumor necrosis factor (rMuTNFα) and/or interleukin‐1 (rHuIL‐1α) causes release of iron‐55 label, inhibition of DNA replication, and inhibition of aconitase activity. In addition, the same combinations of cytokines induce EMT‐6 cells to synthesize L‐citrulline, nitrite, and nitrate directly from L‐arginine. Lipopolysaccharide (LPS) can act as a cofactor in the induction of these metabolic effects when added to EMT‐6 cells in the presence of rMuIFNγ. The results show that increased levels of cytokines in the microenvironment can induce a novel effector pathway in somatic cells not specialized for host defense, resulting in specific metabolic effects as well as the inhibition of cellular proliferation.
DOI: 10.4049/jimmunol.139.2.518
发表时间: 1987-07
影响因子: 4.4
作者:
D. Stuehr;M. Marletta
通讯作者: D. Stuehr;M. Marletta
DOI: 10.1073/pnas.84.18.6369
发表时间: 1987-09-01
影响因子: 11.1
作者:
IYENGAR, R;STUEHR, DJ;MARLETTA, MA
通讯作者: MARLETTA, MA
DOI: 10.1073/pnas.82.22.7738
发表时间: 1985-01-01
影响因子: 11.1
作者:
STUEHR, DJ;MARLETTA, MA
通讯作者: MARLETTA, MA