Immune imprinting in utero.

Immune imprinting in utero.
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DOI:
10.1126/science.abl3631
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发表时间:
2021-08-27
期刊:
Science (New York, N.Y.)
影响因子:
--
通讯作者:
Zeng MY
Zeng MY
中科院分区:
其他
文献类型:
--
作者:
Amir M;Zeng MY

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越来越多的证据表明,免疫系统的发育始于子宫,并在很大程度上受到孕期母体免疫状态的影响。怀孕与抑制母体免疫系统以促进异基因胎儿生长有关,尽管代价是增加对感染的易感性。轻微的孕产妇感染--如轻微的尿路、皮肤和呼吸道感染--通常是自行解决和诊断不足的。目前尚不清楚轻度感染引起的一过性母体炎症是否会在后代中留下免疫疤痕。在这一期的第982页上,Limet等人在小鼠身上解决了这个问题,并发现细胞因子白细胞介素6(IL-6)由轻微的母体感染诱导,导致胎儿肠道的表观遗传印记,对成年后对肠道病原体和组织炎症的免疫反应具有长期影响。
Increasing evidence suggests that immune system development begins in utero and is heavily influenced by the maternal immune status during gestation . Pregnancy is associated with suppression of the maternal immune system to promote the growth of the allogeneic fetus, albeit at the cost of increased susceptibility to infection . Mild maternal infections—such as mild urinary tract, skin, and respiratory tract infections—are often self-resolved and underdiagnosed. It remains poorly understood whether transient maternal inflammation induced by a mild infection leaves an immunologic scar in offspring. On page 982 of this issue, Limet al.tackle this question in mice and find that the cytokine interleukin-6 (IL-6), induced by a mild maternal infection, causes epigenetic imprinting of fetal intestine that has a long-term impact on immune responses to enteric pathogens and tissue inflammation in adulthood.
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