Metabolic control of the Treg/Th17 axis.

Metabolic control of the Treg/Th17 axis.
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DOI:
10.1111/imr.12029
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发表时间:
2013-03
影响因子:
8.7
通讯作者:
Pan F
Pan F
中科院分区:
医学1区
文献类型:
--
作者:
Barbi J;Pardoll D;Pan F

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免疫系统与生理学其他方面的相互作用不断被揭示,并且在某些情况下进行了相当详细的机制细节研究。一个典型的例子是代谢线索对免疫反应的影响。众所周知,T 细胞在激活后呈现出与其静止和无反应的对应细胞截然不同的代谢特征。然而,最近的一些突破极大地扩展了我们对细胞代谢如何塑造 T 细胞反应的认识。特别重要的是,某些环境因素可以通过将 T 细胞命运决定偏向辅助性 T 细胞 17 (Th17) 或调节性 T 细胞 (Treg) 谱系,从而改变炎症和免疫耐受之间的微妙平衡。认识到代谢因子,特别是那些参与这些功能相反的 T 细胞亚群生成的代谢因子具有未被认识到的免疫调节潜力,可能会为我们治疗免疫介导的病理的疗法添加新的有效疗法。在这篇综述中,我们总结并讨论了将某些代谢途径、酶和副产物与 Th17 和 Treg 细胞群之间的平衡变化联系起来的最新发现。这些进展凸显了免疫调节的众多机会。
The interplay of the immune system with other aspects of physiology is continually being revealed and in some cases studied in considerable mechanistic detail. A prime example is the influence of metabolic cues on immune responses. It is well appreciated that upon activation, T cells take on a metabolic profile profoundly distinct from that of their quiescent and anergic counterparts; however, a number of recent breakthroughs have greatly expanded our knowledge of how aspects of cellular metabolism can shape a T-cell response. Particularly important are findings that certain environmental cues can tilt the delicate balance between inflammation and immune tolerance by skewing T-cell fate decisions toward either the T-helper 17 (Th17) or T-regulatory (Treg) cell lineage. Recognizing the unappreciated immune modifying potential of metabolic factors and particularly those involved in the generation of these functionally opposing T-cell subsets will likely add new and potent therapies to our repertoire for treating immune mediated pathologies. In this review, we summarize and discuss recent findings linking certain metabolic pathways, enzymes, and byproducts to shifts in the balance between Th17 and Treg cell populations. These advances highlight numerous opportunities for immune modulation.
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