Semaphorin 3 a restores the ability of type 1 regulatory T cells to suppress food allergy

Gao, Panpan; Song, Shuo; Wang, Yanan; Liu, Huazhen; Wang, Xiangyu; shu, Qing; Yang, Pingchang; Zheng, Pengyuan

doi:10.1007/s12026-023-09437-6

Immunol Res

2023

DOI: 10.1007/s12026-023-09437-6

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Semaphorin 3 a restores the ability of type 1 regulatory T cells to suppress food allergy

Panpan Gao,

Shuo Song,

Yanan Wang

et al.

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2024

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Rab27a facilities dendritic cell immune tolerogenic capacity

Bin,

peng,

Wang

et al. 2024

Preprint

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Background Dendritic cells (DC) are known to play a crucial role in inducing immune tolerance. The major cytokine that DCs use to induce immune tolerance is IL-10. Rab27a, a small G protein, has been reported to play a significant role in the cellular output process. The aim of this study is to comprehend how Rab27a regulates the secretion of IL-10 by dendritic cells (DCs).Methods DCs were purified from the intestinal tissues using flow cytometry cell sorting. The enzyme-linked immunosorbent assay was used to quantify cytokines in culture supernatant.Results Our observation was that patients with food allergy (FA) had a lower level of Rab27a activation in peripheral DCs than normal controls (NC). The immune tolerogenic ability of FA DCs was defective compared to NC DCs. The data of Rab27a activation levels and the immune tolerogenic capacity of DC were found to have a positive correlation. The activation of Rab27a in DCs was regulated by MADD in a significant way. Rab27a that was activated created a complex with IL-10, which was responsible for transporting IL-10 out of DCs. MADD and Rab27a activation were found to be lower in DCs collected from patients with FA. Re-establishment of MADD expression could restore the immune tolerogenic capacity of FA DCs.

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Rab27a facilities dendritic cell immune tolerogenic capacity

Bin,

peng,

Wang

et al. 2024

Preprint

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Semaphorin 3 a restores the ability of type 1 regulatory T cells to suppress food allergy

Cited by 1 publication

References 25 publications

Rab27a facilities dendritic cell immune tolerogenic capacity

Rab27a facilities dendritic cell immune tolerogenic capacity

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