Glycerol monolaurate inhibition of human B cell activation.

Glycerol monolaurate inhibition of human B cell activation.
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DOI:
10.1038/s41598-022-17432-4
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发表时间:
2022-08-05
期刊:
影响因子:
4.6
通讯作者:
Houtman, Jon C. D.
Houtman, Jon C. D.
中科院分区:
综合性期刊3区
文献类型:
--
作者:
Fosdick, Micaela G.;Loftus, Shannon;Phillips, Isabella;Zacharias, Zeb R.;Houtman, Jon C. D.

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单月桂酸甘油酯 (GML) 是一种天然存在的抗菌剂,在商业上用于多种产品和食品。 GML 也被用作顺势疗法药物,并且正在接受临床测试以治疗多种人类疾病。除了其抗微生物功能外,GML 还能抑制免疫细胞增殖并抑制原代人类 T 细胞活化。 GML 通过改变膜动力学和破坏细胞内信号传导所需的蛋白质簇的形成来抑制 T 细胞活化。 GML 破坏细胞膜的能力表明它可能会改变其他细胞类型。为了探索这种可能性,我们测试了 GML 如何影响人类 B 细胞。我们发现 GML 抑制 BCR 诱导的细胞因子产生、信号蛋白磷酸化和蛋白质聚类,同时还改变细胞膜动力学并失调细胞骨架重排。尽管相似,B 细胞和 T 细胞对 GML 的反应也存在差异。这些差异表明细胞独特的内在特征可能导致对 GML 治疗的不同反应。总体而言,这项研究扩展了我们对 GML 如何影响适应性免疫反应的理解,并有助于更广泛地了解免疫调节单甘油酯。
Glycerol monolaurate (GML) is a naturally occurring antimicrobial agent used commercially in numerous products and food items. GML is also used as a homeopathic agent and is being clinically tested to treat several human diseases. In addition to its anti-microbial function, GML suppresses immune cell proliferation and inhibits primary human T cell activation. GML suppresses T cell activation by altering membrane dynamics and disrupting the formation of protein clusters necessary for intracellular signaling. The ability of GML to disrupt cellular membranes suggests it may alter other cell types. To explore this possibility, we tested how GML affects human B cells. We found that GML inhibits BCR-induced cytokine production, phosphorylation of signaling proteins, and protein clustering, while also changing cellular membrane dynamics and dysregulating cytoskeleton rearrangement. Although similar, there are also differences between how B cells and T cells respond to GML. These differences suggest that unique intrinsic features of a cell may result in differential responses to GML treatment. Overall, this study expands our understanding of how GML impacts the adaptive immune response and contributes to a broader knowledge of immune modulating monoglycerides.
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