Poly-ADP ribose polymerase-14 limits severity of allergic skin disease.

Poly-ADP ribose polymerase-14 limits severity of allergic skin disease.
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聚 ADP 核糖聚合酶 14 可限制过敏性皮肤病的严重程度。

DOI:
10.1111/imm.12782
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发表时间:
2017
期刊:
影响因子:
6.4
通讯作者:
Kaplan,MarkH
Kaplan,MarkH
中科院分区:
医学2区
文献类型:
--
作者:
Krishnamurthy,Purna;Da-Silva-Arnold,Sonia;Turner,MatthewJ;Travers,JeffreyB;Kaplan,MarkH

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聚ADP核糖聚合酶-14(PARP 14或ARTD 8)最初被鉴定为信号转导子和转录激活子6(Stat 6)的转录共激活因子,其中白细胞介素-4(IL-4)和活化的Stat 6的存在诱导PARP 14的酶活性,促进T辅助细胞2型分化和过敏性气道疾病。为了进一步理解PARP 14在过敏性疾病中的作用,我们使用在T细胞中表达组成型活性Stat 6(Stat 6VT)并发生自发性皮肤炎症的小鼠研究了PARP 14在皮肤过敏性炎症中的功能。我们将Stat 6VT小鼠与Parp 14 −/−小鼠交配,观察到约75%的Stat 6VT × Parp 14 −/−小鼠发生严重的特应性皮炎(AD)样病变,而Stat 6VT小鼠约为50%,并且与Stat 6VT小鼠相比发病率增加。尽管如此,皮肤和细胞浸润中的基因表达仅因缺乏PARP 14而适度改变。相反,我们看到系统性T细胞细胞因子产生的显着变化。此外,过继转移实验表明,IL-4产生的减少反映了PARP 14在Th 2细胞因子控制中的细胞内在作用。因此,我们的数据表明,尽管PARP 14在几种过敏性疾病模型中对T细胞细胞因子产生具有相似的影响,但这些影响的结果是不同的,取决于疾病的靶器官。
Poly‐ADP ribose polymerase‐14 (PARP14 or ARTD8) was initially identified as a transcriptional co‐activator for signal transducer and activator of transcription 6 (Stat6), where the presence of interleukin‐4 (IL‐4) and activated Stat6 induces the enzymatic activity of PARP14 that promotes T helper type 2 differentiation and allergic airway disease. To further our understanding of PARP14 in allergic disease, we studied the function of PARP14 in allergic inflammation of skin using mice that express constitutively active Stat6 in T cells (Stat6VT) and develop spontaneous inflammation of the skin. We mated Stat6VT mice toParp14−/−mice and observed that approximately 75% of the Stat6VT ×Parp14−/−mice develop severe atopic dermatitis (AD)‐like lesions, compared with about 50% of Stat6VT mice, and have increased morbidity compared with Stat6VT mice. Despite this, gene expression in the skin and the cellular infiltrates was only modestly altered by the absence of PARP14. In contrast, we saw significant changes in systemic T‐cell cytokine production. Moreover, adoptive transfer experiments demonstrated that decreases in IL‐4 production reflected a cell intrinsic role for PARP14 in Th2 cytokine control. Hence, our data suggest that although PARP14 has similar effects on T‐cell cytokine production in several allergic disease models, the outcome of those effects is distinct, depending on the target organ of disease.
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