Induction of colonic regulatory T cells by indigenous Clostridium species.

Induction of colonic regulatory T cells by indigenous Clostridium species.
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DOI:
10.1126/science.1198469
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发表时间:
2011-01-21
期刊:
Science (New York, N.Y.)
影响因子:
--
通讯作者:
Honda K
Honda K
中科院分区:
其他
文献类型:
--
作者:
Atarashi K;Tanoue T;Shima T;Imaoka A;Kuwahara T;Momose Y;Cheng G;Yamasaki S;Saito T;Ohba Y;Taniguchi T;Takeda K;Hori S;Ivanov II;Umesaki Y;Itoh K;Honda K

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CD4+ T regulatory cells (Tregs), which express the Foxp3 transcription factor, play a critical role in the maintenance of immune homeostasis. Here, we show that in mice, Tregs were most abundant in the colonic mucosa. The spore-forming component of indigenous intestinal microbiota, particularly clusters IV and XIVa of the genus Clostridium, promoted Treg cell accumulation. Colonization of mice by a defined mix of Clostridium strains provided an environment rich in transforming growth factor–β and affected Foxp3+ Treg number and function in the colon. Oral inoculation of Clostridium during the early life of conventionally reared mice resulted in resistance to colitis and systemic immunoglobulin E responses in adult mice, suggesting a new therapeutic approach to autoimmunity and allergy.
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发表时间: 2006-12-01
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