Immunomodulatory Effects of Microbiota-Derived Short-Chain Fatty Acids in Autoimmune Liver Diseases.

Immunomodulatory Effects of Microbiota-Derived Short-Chain Fatty Acids in Autoimmune Liver Diseases.
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DOI:
10.4049/jimmunol.2300016
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发表时间:
2023-06-01
期刊:
Journal of immunology (Baltimore, Md. : 1950)
影响因子:
--
通讯作者:
Gershwin ME
Gershwin ME
中科院分区:
其他
文献类型:
--
作者:
Zhang W;Mackay CR;Gershwin ME

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非致病性共生菌群及其代谢物和成分对维持耐受性环境和促进有益健康至关重要。代谢环境严重影响免疫反应的结果,并可能影响自身免疫和过敏反应。短链脂肪酸(SCFAs)是肠道微生物发酵产生的主要代谢物。鉴于SCFAs在肠道和门静脉中的高浓度及其广泛的免疫调节功能,SCFAs显著影响免疫耐受和肠肝免疫。产生scfa的细菌和scfa的改变已经在许多炎症性疾病中被发现。这些数据在原发性胆道性胆管炎(PBC)、原发性硬化性胆管炎(PSC)和自身免疫性肝炎(AIH)中具有特殊意义,因为肝脏离肠道很近。在这篇重点综述中,我们提供了scfa产生微生物群的免疫学后果的最新进展,特别是在自身免疫性肝病中三种主要的scfa。
Non-pathogenic commensal microbiota, their metabolites and components are essential to maintain a tolerogenic environment and promote beneficial health effects. The metabolic environment critically impacts the outcome of immune responses, and likely impacts on autoimmune and allergic responses. Short chain fatty acids (SCFAs) are the main metabolites produced by microbial fermentation in the gut. Given the high concentration of SCFAs in the gut and portal vein and its broad immune regulatory functions, SCFAs significantly influence immune tolerance and gut-liver immunity. Alterations of SCFA-producing bacteria and SCFAs have been identified in a multitude of inflammatory diseases. These data have particular significance in primary biliary cholangitis (PBC), primary sclerosing cholangitis (PSC) and autoimmune hepatitis (AIH) because of the close proximity of the liver to the gut. In this focused review, we provide an update on the immunologic consequences of SCFA-producing microbiota and in particular on three dominant SCFAs in autoimmune liver diseases.
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