Eosinophils are an essential element of a type 2 immune axis that controls thymus regeneration.

Eosinophils are an essential element of a type 2 immune axis that controls thymus regeneration.
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DOI:
10.1126/sciimmunol.abn3286
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发表时间:
2022-03-11
期刊:
影响因子:
24.8
通讯作者:
Anderson G
Anderson G
中科院分区:
医学1区
文献类型:
--
作者:
Cosway EJ;White AJ;Parnell SM;Schweighoffer E;Jolin HE;Bacon A;Rodewald HR;Tybulewicz V;McKenzie ANJ;Jenkinson WE;Anderson G

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Therapeutic interventions used for cancer treatment provoke thymus damage and limit the recovery of protective immunity. Here, we show eosinophils are an essential part of an intrathymic type 2 immune network that enables thymus recovery following ablative therapy. Within hours of damage, the thymus undergoes CCR3-dependent colonisation by peripheral eosinophils, which re-establishes the epithelial microenvironments that control thymopoiesis. Eosinophil regulation of thymus regeneration occurs via the concerted action of NKT-cells that trigger CCL11 production via IL4 receptor signalling in thymic stroma, and ILC2 that represent an intrathymic source of IL5, a cytokine that therapeutically boosts thymus regeneration following damage. Collectively, our findings identify an intrathymic network composed of multiple innate immune cells that restores thymus function during re-establishment of the adaptive immune system.
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