Regulation of tissue-resident memory T cells by the Microbiota

Mucosal Immunology(2022)

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摘要
Summary Resident memory T cells (Trms) predominantly reside within tissue and are critical for providing rapid protection against invasive viruses, fungi and bacteria. Given that tissues are heavily impacted and shaped by the microbiota, it stands to reason that Trms are also influenced by the microbiota that inhabits barrier sites. The influence of the microbiota is largely mediated by microbial production of metabolites which are crucial to the immune response to both viral infection and cancerous tumors. In addition to the effects of metabolites, antigens derived from the microbiota can activate T cell responses. While microbiota-specific T cells may assist in tissue repair, control of infection and anti-tumor immunity, the actual ‘memory’ potential of these cells remains unclear. Here, we hypothesize that memory responses to antigens from the microbiota must be ‘licensed’ by inflammatory signals activated by invasion of the host by microorganisms.
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关键词
Biomedicine,general,Immunology,Allergology,Antibodies,Gastroenterology
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