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首页> 外文期刊>Cell biology international. >Release of cytokines/chemokines and cell death in UVB-irradiated human keratinocytes, HaCaT.
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Release of cytokines/chemokines and cell death in UVB-irradiated human keratinocytes, HaCaT.

机译:UVB照射的人角质形成细胞HaCaT中细胞因子/趋化因子的释放和细胞死亡。

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摘要

Ultraviolet (UV) B can lead to inflammatory responses such as sunburn, which involves the production of various inflammatory cytokines and chemokines, and the induction of cell death. Keratinocytes in the skin has one of the highest risks of exposure to UV. However, the detailed mechanisms underlying UVB irradiation-induced inflammation and cell death are not well known. Thus, we investigated the effect of UVB irradiation on the production of various cytokines/chemokines and the induction of cell death in UVB-irradiated human keratinocytes (HaCaT cells). We evaluated 11 cytokines/chemokines in cell culture supernatants from HaCaT cells exposed to 0-400 mJ/cm(2) UVB irradiation. UVB at a dose 400 mJ/cm(2) induced the release of various cytokines; interleukin (IL)-1beta, IL-6, IL-8, interferon (IFN)-gamma, granulocyte-colony stimulating factor (G-CSF), macrophage inflammatory protein (MIP)-1beta, and tumor necrosis factor (TNF)-alpha. These results suggest that UVB irradiation-induced the release of several cytokines/chemokines and led to cell death in human keratinocytes. UV exposure may be associated with multiple physiological events in the human skin.
机译:紫外线(UV)B可以导致炎症反应,例如晒伤,其涉及各种炎症细胞因子和趋化因子的产生以及细胞死亡的诱导。皮肤中的角质形成细胞是暴露于紫外线的最高风险之一。但是,UVB辐射诱发的炎症和细胞死亡的详细机制尚不清楚。因此,我们研究了UVB辐射对各种细胞因子/趋化因子的产生以及UVB辐射的人角质形成细胞(HaCaT细胞)中细胞死亡诱导的影响。我们评估了暴露于0-400 mJ / cm(2)UVB辐射的HaCaT细胞的细胞培养上清液中的11种细胞因子/趋化因子。剂量为400 mJ / cm(2)的UVB诱导多种细胞因子的释放。白介素(IL)-1beta,IL-6,IL-8,干扰素(IFN)-γ,粒细胞集落刺激因子(G-CSF),巨噬细胞炎性蛋白(MIP)-1beta和肿瘤坏死因子(TNF)- α。这些结果表明,UVB辐射诱导了几种细胞因子/趋化因子的释放,并导致人角质形成细胞死亡。紫外线暴露可能与人类皮肤中的多种生理事件有关。

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